gnulib: regex.c annotate

annotate regex.c @ 961:6959c7741ed2

(re_search_2): Cast result of POS_ADDR_VSTRING.

author	Richard Stallman <rms@gnu.org>
date	Wed, 02 Jul 1997 06:25:00 +0000
parents	c6196b52ec1d
children	ed0235161e4b

rev	line source
679 b088267ea1c8 Clean up whitespace. Richard Stallman <rms@gnu.org> parents: 678 diff changeset	1 /* Extended regular expression matching and search library, version
b088267ea1c8 Clean up whitespace. Richard Stallman <rms@gnu.org> parents: 678 diff changeset	2 0.12. (Implements POSIX draft P10003.2/D11.2, except for
2 d7a0c431b2a0 Initial revision Karl Berry <karl@freefriends.org> parents: diff changeset	3 internationalization features.)
d7a0c431b2a0 Initial revision Karl Berry <karl@freefriends.org> parents: diff changeset	4
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5 Copyright (C) 1993, 1994, 1995, 1996, 1997 Free Software Foundation, Inc.
2 d7a0c431b2a0 Initial revision Karl Berry <karl@freefriends.org> parents: diff changeset	6
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	7 This program is free software; you can redistribute it and/or modify
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	8 it under the terms of the GNU General Public License as published by
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	9 the Free Software Foundation; either version 2, or (at your option)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	10 any later version.
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	11
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	12 This program is distributed in the hope that it will be useful,
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	13 but WITHOUT ANY WARRANTY; without even the implied warranty of
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	15 GNU General Public License for more details.
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	16
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	17 You should have received a copy of the GNU General Public License
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	18 along with this program; if not, write to the Free Software
542 7b0868042f7a Update FSF address in comment. Karl Heuer <kwzh@gnu.org> parents: 521 diff changeset	19 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	20 USA. */
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	21
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	22 /* AIX requires this to be the first thing in the file. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	23 #if defined (_AIX) && !defined (REGEX_MALLOC)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	24 #pragma alloca
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	25 #endif
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	26
511 799190471f84 (NUM_FAILURE_ITEMS, POP_FAILURE_POINT, PUSH_FAILURE_POINT): Richard Stallman <rms@gnu.org> parents: 506 diff changeset	27 #undef _GNU_SOURCE
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	28 #define _GNU_SOURCE
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	29
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	30 /* Converts the pointer to the char to BEG-based offset from the start. */
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	31 #define PTR_TO_OFFSET(d) \
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	32 POS_AS_IN_BUFFER (MATCHING_IN_FIRST_STRING \
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	33 ? (d) - string1 : (d) - (string2 - size1))
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	34 #define POS_AS_IN_BUFFER(p) ((p) + 1)
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	35
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	36 #ifdef HAVE_CONFIG_H
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	37 #include <config.h>
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	38 #endif
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	39
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	40 /* We need this for `regex.h', and perhaps for the Emacs include files. */
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	41 #include <sys/types.h>
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	42
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	43 /* This is for other GNU distributions with internationalized messages. */
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	44 #if HAVE_LIBINTL_H \|\| defined (_LIBC)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	45 # include <libintl.h>
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	46 #else
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	47 # define gettext(msgid) (msgid)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	48 #endif
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	49
515 69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	50 #ifndef gettext_noop
69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	51 /* This define is so xgettext can find the internationalizable
69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	52 strings. */
69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	53 #define gettext_noop(String) String
69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	54 #endif
69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	55
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	56 /* The `emacs' switch turns on certain matching commands
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	57 that make sense only in Emacs. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	58 #ifdef emacs
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	59
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	60 #include "lisp.h"
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	61 #include "buffer.h"
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	62
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	63 /* Make syntax table lookup grant data in gl_state. */
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	64 #define SYNTAX_ENTRY_VIA_PROPERTY
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	65
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	66 #include "syntax.h"
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	67 #include "charset.h"
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	68 #include "category.h"
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	69
786 c9e346539fc6 [emacs] (malloc, free): Define as xmalloc, and xfree. Richard Stallman <rms@gnu.org> parents: 692 diff changeset	70 #define malloc xmalloc
c9e346539fc6 [emacs] (malloc, free): Define as xmalloc, and xfree. Richard Stallman <rms@gnu.org> parents: 692 diff changeset	71 #define free xfree
c9e346539fc6 [emacs] (malloc, free): Define as xmalloc, and xfree. Richard Stallman <rms@gnu.org> parents: 692 diff changeset	72
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	73 #else /* not emacs */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	74
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	75 /* If we are not linking with Emacs proper,
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	76 we can't use the relocating allocator
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	77 even if config.h says that we can. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	78 #undef REL_ALLOC
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	79
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	80 #if defined (STDC_HEADERS) \|\| defined (_LIBC)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	81 #include <stdlib.h>
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	82 #else
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	83 char *malloc ();
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	84 char *realloc ();
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	85 #endif
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	86
451 b08ce70c8b7c Undefined INHIBIT_STRING_HEADER when we have no Karl Heuer <kwzh@gnu.org> parents: 449 diff changeset	87 /* When used in Emacs's lib-src, we need to get bzero and bcopy somehow.
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	88 If nothing else has been done, use the method below. */
451 b08ce70c8b7c Undefined INHIBIT_STRING_HEADER when we have no Karl Heuer <kwzh@gnu.org> parents: 449 diff changeset	89 #ifdef INHIBIT_STRING_HEADER
b08ce70c8b7c Undefined INHIBIT_STRING_HEADER when we have no Karl Heuer <kwzh@gnu.org> parents: 449 diff changeset	90 #if !(defined (HAVE_BZERO) && defined (HAVE_BCOPY))
b08ce70c8b7c Undefined INHIBIT_STRING_HEADER when we have no Karl Heuer <kwzh@gnu.org> parents: 449 diff changeset	91 #if !defined (bzero) && !defined (bcopy)
b08ce70c8b7c Undefined INHIBIT_STRING_HEADER when we have no Karl Heuer <kwzh@gnu.org> parents: 449 diff changeset	92 #undef INHIBIT_STRING_HEADER
b08ce70c8b7c Undefined INHIBIT_STRING_HEADER when we have no Karl Heuer <kwzh@gnu.org> parents: 449 diff changeset	93 #endif
b08ce70c8b7c Undefined INHIBIT_STRING_HEADER when we have no Karl Heuer <kwzh@gnu.org> parents: 449 diff changeset	94 #endif
b08ce70c8b7c Undefined INHIBIT_STRING_HEADER when we have no Karl Heuer <kwzh@gnu.org> parents: 449 diff changeset	95 #endif
b08ce70c8b7c Undefined INHIBIT_STRING_HEADER when we have no Karl Heuer <kwzh@gnu.org> parents: 449 diff changeset	96
b08ce70c8b7c Undefined INHIBIT_STRING_HEADER when we have no Karl Heuer <kwzh@gnu.org> parents: 449 diff changeset	97 /* This is the normal way of making sure we have a bcopy and a bzero.
b08ce70c8b7c Undefined INHIBIT_STRING_HEADER when we have no Karl Heuer <kwzh@gnu.org> parents: 449 diff changeset	98 This is used in most programs--a few other programs avoid this
b08ce70c8b7c Undefined INHIBIT_STRING_HEADER when we have no Karl Heuer <kwzh@gnu.org> parents: 449 diff changeset	99 by defining INHIBIT_STRING_HEADER. */
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	100 #ifndef INHIBIT_STRING_HEADER
460 ea133fff5811 Use `defined' to test HAVE_STRING_H and STDC_HEADERS. Richard Stallman <rms@gnu.org> parents: 451 diff changeset	101 #if defined (HAVE_STRING_H) \|\| defined (STDC_HEADERS) \|\| defined (_LIBC)
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	102 #include <string.h>
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	103 #ifndef bcmp
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	104 #define bcmp(s1, s2, n) memcmp ((s1), (s2), (n))
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	105 #endif
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	106 #ifndef bcopy
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	107 #define bcopy(s, d, n) memcpy ((d), (s), (n))
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	108 #endif
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	109 #ifndef bzero
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	110 #define bzero(s, n) memset ((s), 0, (n))
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	111 #endif
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	112 #else
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	113 #include <strings.h>
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	114 #endif
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	115 #endif
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	116
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	117 /* Define the syntax stuff for \<, \>, etc. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	118
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	119 /* This must be nonzero for the wordchar and notwordchar pattern
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	120 commands in re_match_2. */
515 69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	121 #ifndef Sword
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	122 #define Sword 1
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	123 #endif
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	124
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	125 #ifdef SWITCH_ENUM_BUG
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	126 #define SWITCH_ENUM_CAST(x) ((int)(x))
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	127 #else
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	128 #define SWITCH_ENUM_CAST(x) (x)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	129 #endif
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	130
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	131 #ifdef SYNTAX_TABLE
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	132
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	133 extern char *re_syntax_table;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	134
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	135 #else /* not SYNTAX_TABLE */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	136
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	137 /* How many characters in the character set. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	138 #define CHAR_SET_SIZE 256
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	139
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	140 static char re_syntax_table[CHAR_SET_SIZE];
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	141
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	142 static void
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	143 init_syntax_once ()
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	144 {
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	145 register int c;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	146 static int done = 0;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	147
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	148 if (done)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	149 return;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	150
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	151 bzero (re_syntax_table, sizeof re_syntax_table);
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	152
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	153 for (c = 'a'; c <= 'z'; c++)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	154 re_syntax_table[c] = Sword;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	155
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	156 for (c = 'A'; c <= 'Z'; c++)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	157 re_syntax_table[c] = Sword;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	158
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	159 for (c = '0'; c <= '9'; c++)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	160 re_syntax_table[c] = Sword;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	161
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	162 re_syntax_table['_'] = Sword;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	163
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	164 done = 1;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	165 }
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	166
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	167 #endif /* not SYNTAX_TABLE */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	168
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	169 #define SYNTAX(c) re_syntax_table[c]
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	170
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	171 /* Dummy macro for non emacs environments. */
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	172 #define BASE_LEADING_CODE_P(c) (0)
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	173 #define WORD_BOUNDARY_P(c1, c2) (0)
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	174 #define CHAR_HEAD_P(p) (1)
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	175 #define SINGLE_BYTE_CHAR_P(c) (1)
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	176 #define SAME_CHARSET_P(c1, c2) (1)
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	177 #define MULTIBYTE_FORM_LENGTH(p, s) (1)
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	178 #define STRING_CHAR(p, s) (*(p))
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	179 #define STRING_CHAR_AND_LENGTH(p, s, actual_len) ((actual_len) = 1, *(p))
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	180 #define GET_CHAR_AFTER_2(c, p, str1, end1, str2, end2) \
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	181 (c = ((p) == (end1) ? (str2) : (p)))
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	182 #define GET_CHAR_BEFORE_2(c, p, str1, end1, str2, end2) \
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	183 (c = ((p) == (str2) ? ((end1) - 1) : ((p) - 1)))
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	184 #endif /* not emacs */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	185
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	186 /* Get the interface, including the syntax bits. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	187 #include "regex.h"
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	188
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	189 /* isalpha etc. are used for the character classes. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	190 #include <ctype.h>
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	191
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	192 /* Jim Meyering writes:
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	193
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	194 "... Some ctype macros are valid only for character codes that
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	195 isascii says are ASCII (SGI's IRIX-4.0.5 is one such system --when
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	196 using /bin/cc or gcc but without giving an ansi option). So, all
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	197 ctype uses should be through macros like ISPRINT... If
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	198 STDC_HEADERS is defined, then autoconf has verified that the ctype
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	199 macros don't need to be guarded with references to isascii. ...
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	200 Defining isascii to 1 should let any compiler worth its salt
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	201 eliminate the && through constant folding." */
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	202
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	203 #if defined (STDC_HEADERS) \|\| (!defined (isascii) && !defined (HAVE_ISASCII))
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	204 #define ISASCII(c) 1
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	205 #else
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	206 #define ISASCII(c) isascii(c)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	207 #endif
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	208
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	209 #ifdef isblank
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	210 #define ISBLANK(c) (ISASCII (c) && isblank (c))
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	211 #else
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	212 #define ISBLANK(c) ((c) == ' ' \|\| (c) == '\t')
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	213 #endif
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	214 #ifdef isgraph
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	215 #define ISGRAPH(c) (ISASCII (c) && isgraph (c))
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	216 #else
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	217 #define ISGRAPH(c) (ISASCII (c) && isprint (c) && !isspace (c))
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	218 #endif
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	219
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	220 #define ISPRINT(c) (ISASCII (c) && isprint (c))
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	221 #define ISDIGIT(c) (ISASCII (c) && isdigit (c))
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	222 #define ISALNUM(c) (ISASCII (c) && isalnum (c))
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	223 #define ISALPHA(c) (ISASCII (c) && isalpha (c))
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	224 #define ISCNTRL(c) (ISASCII (c) && iscntrl (c))
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	225 #define ISLOWER(c) (ISASCII (c) && islower (c))
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	226 #define ISPUNCT(c) (ISASCII (c) && ispunct (c))
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	227 #define ISSPACE(c) (ISASCII (c) && isspace (c))
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	228 #define ISUPPER(c) (ISASCII (c) && isupper (c))
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	229 #define ISXDIGIT(c) (ISASCII (c) && isxdigit (c))
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	230
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	231 #ifndef NULL
447 5607a4b33402 (NULL): Use explicit cast. Karl Heuer <kwzh@gnu.org> parents: 442 diff changeset	232 #define NULL (void *)0
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	233 #endif
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	234
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	235 /* We remove any previous definition of `SIGN_EXTEND_CHAR',
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	236 since ours (we hope) works properly with all combinations of
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	237 machines, compilers, `char' and `unsigned char' argument types.
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	238 (Per Bothner suggested the basic approach.) */
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	239 #undef SIGN_EXTEND_CHAR
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	240 #if __STDC__
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	241 #define SIGN_EXTEND_CHAR(c) ((signed char) (c))
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	242 #else /* not __STDC__ */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	243 /* As in Harbison and Steele. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	244 #define SIGN_EXTEND_CHAR(c) ((((unsigned char) (c)) ^ 128) - 128)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	245 #endif
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	246
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	247 /* Should we use malloc or alloca? If REGEX_MALLOC is not defined, we
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	248 use `alloca' instead of `malloc'. This is because using malloc in
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	249 re_search* or re_match* could cause memory leaks when C-g is used in
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	250 Emacs; also, malloc is slower and causes storage fragmentation. On
515 69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	251 the other hand, malloc is more portable, and easier to debug.
69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	252
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	253 Because we sometimes use alloca, some routines have to be macros,
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	254 not functions -- `alloca'-allocated space disappears at the end of the
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	255 function it is called in. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	256
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	257 #ifdef REGEX_MALLOC
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	258
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	259 #define REGEX_ALLOCATE malloc
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	260 #define REGEX_REALLOCATE(source, osize, nsize) realloc (source, nsize)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	261 #define REGEX_FREE free
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	262
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	263 #else /* not REGEX_MALLOC */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	264
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	265 /* Emacs already defines alloca, sometimes. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	266 #ifndef alloca
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	267
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	268 /* Make alloca work the best possible way. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	269 #ifdef __GNUC__
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	270 #define alloca __builtin_alloca
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	271 #else /* not __GNUC__ */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	272 #if HAVE_ALLOCA_H
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	273 #include <alloca.h>
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	274 #else /* not __GNUC__ or HAVE_ALLOCA_H */
503 2ee098e3c26c Don't declare alloca. Richard Stallman <rms@gnu.org> parents: 501 diff changeset	275 #if 0 /* It is a bad idea to declare alloca. We always cast the result. */
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	276 #ifndef _AIX /* Already did AIX, up at the top. */
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	277 char *alloca ();
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	278 #endif /* not _AIX */
503 2ee098e3c26c Don't declare alloca. Richard Stallman <rms@gnu.org> parents: 501 diff changeset	279 #endif
515 69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	280 #endif /* not HAVE_ALLOCA_H */
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	281 #endif /* not __GNUC__ */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	282
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	283 #endif /* not alloca */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	284
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	285 #define REGEX_ALLOCATE alloca
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	286
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	287 /* Assumes a `char destination' variable. /
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	288 #define REGEX_REALLOCATE(source, osize, nsize) \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	289 (destination = (char *) alloca (nsize), \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	290 bcopy (source, destination, osize), \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	291 destination)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	292
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	293 /* No need to do anything to free, after alloca. */
442 a7b85a203afa [REGEX_FREE]: Use ((void)0) instead of just (0). Jim Meyering <jim@meyering.net> parents: 441 diff changeset	294 #define REGEX_FREE(arg) ((void)0) /* Do nothing! But inhibit gcc warning. */
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	295
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	296 #endif /* not REGEX_MALLOC */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	297
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	298 /* Define how to allocate the failure stack. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	299
463 8b8df28857af Fix conditional. Karl Heuer <kwzh@gnu.org> parents: 462 diff changeset	300 #if defined (REL_ALLOC) && defined (REGEX_MALLOC)
462 115ffc5a3b13 Don't use relocatable allocator. Richard Stallman <rms@gnu.org> parents: 460 diff changeset	301
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	302 #define REGEX_ALLOCATE_STACK(size) \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	303 r_alloc (&failure_stack_ptr, (size))
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	304 #define REGEX_REALLOCATE_STACK(source, osize, nsize) \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	305 r_re_alloc (&failure_stack_ptr, (nsize))
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	306 #define REGEX_FREE_STACK(ptr) \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	307 r_alloc_free (&failure_stack_ptr)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	308
462 115ffc5a3b13 Don't use relocatable allocator. Richard Stallman <rms@gnu.org> parents: 460 diff changeset	309 #else /* not using relocating allocator */
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	310
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	311 #ifdef REGEX_MALLOC
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	312
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	313 #define REGEX_ALLOCATE_STACK malloc
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	314 #define REGEX_REALLOCATE_STACK(source, osize, nsize) realloc (source, nsize)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	315 #define REGEX_FREE_STACK free
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	316
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	317 #else /* not REGEX_MALLOC */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	318
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	319 #define REGEX_ALLOCATE_STACK alloca
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	320
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	321 #define REGEX_REALLOCATE_STACK(source, osize, nsize) \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	322 REGEX_REALLOCATE (source, osize, nsize)
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	323 /* No need to explicitly free anything. */
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	324 #define REGEX_FREE_STACK(arg)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	325
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	326 #endif /* not REGEX_MALLOC */
462 115ffc5a3b13 Don't use relocatable allocator. Richard Stallman <rms@gnu.org> parents: 460 diff changeset	327 #endif /* not using relocating allocator */
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	328
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	329
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	330 /* True if `size1' is non-NULL and PTR is pointing anywhere inside
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	331 `string1' or just past its end. This works if PTR is NULL, which is
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	332 a good thing. */
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	333 #define FIRST_STRING_P(ptr) \
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	334 (size1 && string1 <= (ptr) && (ptr) <= string1 + size1)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	335
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	336 /* (Re)Allocate N items of type T using malloc, or fail. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	337 #define TALLOC(n, t) ((t ) malloc ((n) sizeof (t)))
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	338 #define RETALLOC(addr, n, t) ((addr) = (t ) realloc (addr, (n) sizeof (t)))
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	339 #define RETALLOC_IF(addr, n, t) \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	340 if (addr) RETALLOC((addr), (n), t); else (addr) = TALLOC ((n), t)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	341 #define REGEX_TALLOC(n, t) ((t ) REGEX_ALLOCATE ((n) sizeof (t)))
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	342
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	343 #define BYTEWIDTH 8 /* In bits. */
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	344
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	345 #define STREQ(s1, s2) ((strcmp (s1, s2) == 0))
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	346
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	347 #undef MAX
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	348 #undef MIN
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	349 #define MAX(a, b) ((a) > (b) ? (a) : (b))
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	350 #define MIN(a, b) ((a) < (b) ? (a) : (b))
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	351
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	352 typedef char boolean;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	353 #define false 0
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	354 #define true 1
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	355
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	356 static int re_match_2_internal ();
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	357
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	358 /* These are the command codes that appear in compiled regular
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	359 expressions. Some opcodes are followed by argument bytes. A
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	360 command code can specify any interpretation whatsoever for its
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	361 arguments. Zero bytes may appear in the compiled regular expression. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	362
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	363 typedef enum
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	364 {
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	365 no_op = 0,
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	366
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	367 /* Succeed right away--no more backtracking. */
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	368 succeed,
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	369
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	370 /* Followed by one byte giving n, then by n literal bytes. */
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	371 exactn,
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	372
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	373 /* Matches any (more or less) character. */
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	374 anychar,
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	375
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	376 /* Matches any one char belonging to specified set. First
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	377 following byte is number of bitmap bytes. Then come bytes
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	378 for a bitmap saying which chars are in. Bits in each byte
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	379 are ordered low-bit-first. A character is in the set if its
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	380 bit is 1. A character too large to have a bit in the map is
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	381 automatically not in the set. */
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	382 charset,
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	383
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	384 /* Same parameters as charset, but match any character that is
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	385 not one of those specified. */
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	386 charset_not,
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	387
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	388 /* Start remembering the text that is matched, for storing in a
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	389 register. Followed by one byte with the register number, in
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	390 the range 0 to one less than the pattern buffer's re_nsub
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	391 field. Then followed by one byte with the number of groups
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	392 inner to this one. (This last has to be part of the
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	393 start_memory only because we need it in the on_failure_jump
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	394 of re_match_2.) */
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	395 start_memory,
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	396
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	397 /* Stop remembering the text that is matched and store it in a
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	398 memory register. Followed by one byte with the register
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	399 number, in the range 0 to one less than `re_nsub' in the
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	400 pattern buffer, and one byte with the number of inner groups,
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	401 just like `start_memory'. (We need the number of inner
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	402 groups here because we don't have any easy way of finding the
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	403 corresponding start_memory when we're at a stop_memory.) */
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	404 stop_memory,
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	405
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	406 /* Match a duplicate of something remembered. Followed by one
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	407 byte containing the register number. */
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	408 duplicate,
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	409
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	410 /* Fail unless at beginning of line. */
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	411 begline,
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	412
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	413 /* Fail unless at end of line. */
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	414 endline,
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	415
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	416 /* Succeeds if at beginning of buffer (if emacs) or at beginning
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	417 of string to be matched (if not). */
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	418 begbuf,
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	419
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	420 /* Analogously, for end of buffer/string. */
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	421 endbuf,
515 69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	422
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	423 /* Followed by two byte relative address to which to jump. */
515 69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	424 jump,
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	425
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	426 /* Same as jump, but marks the end of an alternative. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	427 jump_past_alt,
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	428
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	429 /* Followed by two-byte relative address of place to resume at
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	430 in case of failure. */
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	431 on_failure_jump,
515 69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	432
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	433 /* Like on_failure_jump, but pushes a placeholder instead of the
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	434 current string position when executed. */
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	435 on_failure_keep_string_jump,
515 69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	436
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	437 /* Throw away latest failure point and then jump to following
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	438 two-byte relative address. */
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	439 pop_failure_jump,
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	440
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	441 /* Change to pop_failure_jump if know won't have to backtrack to
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	442 match; otherwise change to jump. This is used to jump
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	443 back to the beginning of a repeat. If what follows this jump
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	444 clearly won't match what the repeat does, such that we can be
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	445 sure that there is no use backtracking out of repetitions
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	446 already matched, then we change it to a pop_failure_jump.
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	447 Followed by two-byte address. */
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	448 maybe_pop_jump,
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	449
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	450 /* Jump to following two-byte address, and push a dummy failure
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	451 point. This failure point will be thrown away if an attempt
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	452 is made to use it for a failure. A `+' construct makes this
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	453 before the first repeat. Also used as an intermediary kind
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	454 of jump when compiling an alternative. */
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	455 dummy_failure_jump,
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	456
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	457 /* Push a dummy failure point and continue. Used at the end of
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	458 alternatives. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	459 push_dummy_failure,
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	460
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	461 /* Followed by two-byte relative address and two-byte number n.
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	462 After matching N times, jump to the address upon failure. */
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	463 succeed_n,
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	464
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	465 /* Followed by two-byte relative address, and two-byte number n.
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	466 Jump to the address N times, then fail. */
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	467 jump_n,
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	468
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	469 /* Set the following two-byte relative address to the
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	470 subsequent two-byte number. The address includes the two
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	471 bytes of number. */
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	472 set_number_at,
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	473
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	474 wordchar, /* Matches any word-constituent character. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	475 notwordchar, /* Matches any char that is not a word-constituent. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	476
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	477 wordbeg, /* Succeeds if at word beginning. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	478 wordend, /* Succeeds if at word end. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	479
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	480 wordbound, /* Succeeds if at a word boundary. */
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	481 notwordbound /* Succeeds if not at a word boundary. */
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	482
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	483 #ifdef emacs
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	484 ,before_dot, /* Succeeds if before point. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	485 at_dot, /* Succeeds if at point. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	486 after_dot, /* Succeeds if after point. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	487
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	488 /* Matches any character whose syntax is specified. Followed by
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	489 a byte which contains a syntax code, e.g., Sword. */
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	490 syntaxspec,
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	491
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	492 /* Matches any character whose syntax is not that specified. */
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	493 notsyntaxspec,
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	494
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	495 /* Matches any character whose category-set contains the specified
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	496 category. The operator is followed by a byte which contains a
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	497 category code (mnemonic ASCII character). */
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	498 categoryspec,
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	499
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	500 /* Matches any character whose category-set does not contain the
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	501 specified category. The operator is followed by a byte which
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	502 contains the category code (mnemonic ASCII character). */
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	503 notcategoryspec
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	504 #endif /* emacs */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	505 } re_opcode_t;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	506
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	507 /* Common operations on the compiled pattern. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	508
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	509 /* Store NUMBER in two contiguous bytes starting at DESTINATION. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	510
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	511 #define STORE_NUMBER(destination, number) \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	512 do { \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	513 (destination)[0] = (number) & 0377; \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	514 (destination)[1] = (number) >> 8; \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	515 } while (0)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	516
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	517 /* Same as STORE_NUMBER, except increment DESTINATION to
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	518 the byte after where the number is stored. Therefore, DESTINATION
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	519 must be an lvalue. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	520
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	521 #define STORE_NUMBER_AND_INCR(destination, number) \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	522 do { \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	523 STORE_NUMBER (destination, number); \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	524 (destination) += 2; \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	525 } while (0)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	526
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	527 /* Put into DESTINATION a number stored in two contiguous bytes starting
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	528 at SOURCE. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	529
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	530 #define EXTRACT_NUMBER(destination, source) \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	531 do { \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	532 (destination) = *(source) & 0377; \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	533 (destination) += SIGN_EXTEND_CHAR (*((source) + 1)) << 8; \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	534 } while (0)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	535
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	536 #ifdef DEBUG
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	537 static void
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	538 extract_number (dest, source)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	539 int *dest;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	540 unsigned char *source;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	541 {
515 69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	542 int temp = SIGN_EXTEND_CHAR (*(source + 1));
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	543 dest = source & 0377;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	544 *dest += temp << 8;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	545 }
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	546
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	547 #ifndef EXTRACT_MACROS /* To debug the macros. */
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	548 #undef EXTRACT_NUMBER
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	549 #define EXTRACT_NUMBER(dest, src) extract_number (&dest, src)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	550 #endif /* not EXTRACT_MACROS */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	551
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	552 #endif /* DEBUG */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	553
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	554 /* Same as EXTRACT_NUMBER, except increment SOURCE to after the number.
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	555 SOURCE must be an lvalue. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	556
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	557 #define EXTRACT_NUMBER_AND_INCR(destination, source) \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	558 do { \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	559 EXTRACT_NUMBER (destination, source); \
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	560 (source) += 2; \
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	561 } while (0)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	562
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	563 #ifdef DEBUG
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	564 static void
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	565 extract_number_and_incr (destination, source)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	566 int *destination;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	567 unsigned char **source;
515 69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	568 {
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	569 extract_number (destination, *source);
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	570 *source += 2;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	571 }
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	572
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	573 #ifndef EXTRACT_MACROS
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	574 #undef EXTRACT_NUMBER_AND_INCR
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	575 #define EXTRACT_NUMBER_AND_INCR(dest, src) \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	576 extract_number_and_incr (&dest, &src)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	577 #endif /* not EXTRACT_MACROS */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	578
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	579 #endif /* DEBUG */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	580
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	581 /* Store a multibyte character in three contiguous bytes starting
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	582 DESTINATION, and increment DESTINATION to the byte after where the
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	583 character is stored. Therefore, DESTINATION must be an lvalue. */
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	584
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	585 #define STORE_CHARACTER_AND_INCR(destination, character) \
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	586 do { \
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	587 (destination)[0] = (character) & 0377; \
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	588 (destination)[1] = ((character) >> 8) & 0377; \
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	589 (destination)[2] = (character) >> 16; \
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	590 (destination) += 3; \
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	591 } while (0)
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	592
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	593 /* Put into DESTINATION a character stored in three contiguous bytes
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	594 starting at SOURCE. */
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	595
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	596 #define EXTRACT_CHARACTER(destination, source) \
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	597 do { \
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	598 (destination) = ((source)[0] \
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	599 \| ((source)[1] << 8) \
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	600 \| ((source)[2] << 16)); \
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	601 } while (0)
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	602
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	603
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	604 /* Macros for charset. */
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	605
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	606 /* Size of bitmap of charset P in bytes. P is a start of charset,
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	607 i.e. P is (re_opcode_t) charset or (re_opcode_t) charset_not. /
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	608 #define CHARSET_BITMAP_SIZE(p) ((p)[1] & 0x7F)
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	609
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	610 /* Nonzero if charset P has range table. */
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	611 #define CHARSET_RANGE_TABLE_EXISTS_P(p) ((p)[1] & 0x80)
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	612
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	613 /* Return the address of range table of charset P. But not the start
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	614 of table itself, but the before where the number of ranges is
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	615 stored. `2 +' means to skip re_opcode_t and size of bitmap. */
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	616 #define CHARSET_RANGE_TABLE(p) (&(p)[2 + CHARSET_BITMAP_SIZE (p)])
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	617
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	618 /* Test if C is listed in the bitmap of charset P. */
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	619 #define CHARSET_LOOKUP_BITMAP(p, c) \
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	620 ((c) < CHARSET_BITMAP_SIZE (p) * BYTEWIDTH \
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	621 && (p)[2 + (c) / BYTEWIDTH] & (1 << ((c) % BYTEWIDTH)))
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	622
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	623 /* Return the address of end of RANGE_TABLE. COUNT is number of
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	624 ranges (which is a pair of (start, end)) in the RANGE_TABLE. `* 2'
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	625 is start of range and end of range. `* 3' is size of each start
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	626 and end. */
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	627 #define CHARSET_RANGE_TABLE_END(range_table, count) \
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	628 ((range_table) + (count) * 2 * 3)
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	629
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	630 /* Test if C is in RANGE_TABLE. A flag NOT is negated if C is in.
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	631 COUNT is number of ranges in RANGE_TABLE. */
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	632 #define CHARSET_LOOKUP_RANGE_TABLE_RAW(not, c, range_table, count) \
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	633 do \
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	634 { \
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	635 int range_start, range_end; \
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	636 unsigned char *p; \
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	637 unsigned char *range_table_end \
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	638 = CHARSET_RANGE_TABLE_END ((range_table), (count)); \
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	639 \
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	640 for (p = (range_table); p < range_table_end; p += 2 * 3) \
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	641 { \
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	642 EXTRACT_CHARACTER (range_start, p); \
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	643 EXTRACT_CHARACTER (range_end, p + 3); \
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	644 \
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	645 if (range_start <= (c) && (c) <= range_end) \
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	646 { \
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	647 (not) = !(not); \
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	648 break; \
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	649 } \
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	650 } \
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	651 } \
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	652 while (0)
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	653
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	654 /* Test if C is in range table of CHARSET. The flag NOT is negated if
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	655 C is listed in it. */
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	656 #define CHARSET_LOOKUP_RANGE_TABLE(not, c, charset) \
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	657 do \
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	658 { \
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	659 /* Number of ranges in range table. */ \
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	660 int count; \
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	661 unsigned char *range_table = CHARSET_RANGE_TABLE (charset); \
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	662 \
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	663 EXTRACT_NUMBER_AND_INCR (count, range_table); \
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	664 CHARSET_LOOKUP_RANGE_TABLE_RAW ((not), (c), range_table, count); \
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	665 } \
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	666 while (0)
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	667
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	668 /* If DEBUG is defined, Regex prints many voluminous messages about what
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	669 it is doing (if the variable `debug' is nonzero). If linked with the
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	670 main program in `iregex.c', you can enter patterns and strings
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	671 interactively. And if linked with the main program in `main.c' and
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	672 the other test files, you can run the already-written tests. */
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	673
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	674 #ifdef DEBUG
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	675
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	676 /* We use standard I/O for debugging. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	677 #include <stdio.h>
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	678
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	679 /* It is useful to test things that ``must'' be true when debugging. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	680 #include <assert.h>
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	681
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	682 static int debug = 0;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	683
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	684 #define DEBUG_STATEMENT(e) e
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	685 #define DEBUG_PRINT1(x) if (debug) printf (x)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	686 #define DEBUG_PRINT2(x1, x2) if (debug) printf (x1, x2)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	687 #define DEBUG_PRINT3(x1, x2, x3) if (debug) printf (x1, x2, x3)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	688 #define DEBUG_PRINT4(x1, x2, x3, x4) if (debug) printf (x1, x2, x3, x4)
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	689 #define DEBUG_PRINT_COMPILED_PATTERN(p, s, e) \
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	690 if (debug) print_partial_compiled_pattern (s, e)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	691 #define DEBUG_PRINT_DOUBLE_STRING(w, s1, sz1, s2, sz2) \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	692 if (debug) print_double_string (w, s1, sz1, s2, sz2)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	693
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	694
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	695 /* Print the fastmap in human-readable form. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	696
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	697 void
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	698 print_fastmap (fastmap)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	699 char *fastmap;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	700 {
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	701 unsigned was_a_range = 0;
515 69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	702 unsigned i = 0;
69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	703
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	704 while (i < (1 << BYTEWIDTH))
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	705 {
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	706 if (fastmap[i++])
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	707 {
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	708 was_a_range = 0;
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	709 putchar (i - 1);
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	710 while (i < (1 << BYTEWIDTH) && fastmap[i])
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	711 {
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	712 was_a_range = 1;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	713 i++;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	714 }
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	715 if (was_a_range)
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	716 {
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	717 printf ("-");
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	718 putchar (i - 1);
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	719 }
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	720 }
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	721 }
515 69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	722 putchar ('\n');
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	723 }
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	724
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	725
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	726 /* Print a compiled pattern string in human-readable form, starting at
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	727 the START pointer into it and ending just before the pointer END. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	728
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	729 void
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	730 print_partial_compiled_pattern (start, end)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	731 unsigned char *start;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	732 unsigned char *end;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	733 {
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	734 int mcnt, mcnt2;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	735 unsigned char *p = start;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	736 unsigned char *pend = end;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	737
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	738 if (start == NULL)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	739 {
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	740 printf ("(null)\n");
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	741 return;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	742 }
515 69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	743
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	744 /* Loop over pattern commands. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	745 while (p < pend)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	746 {
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	747 printf ("%d:\t", p - start);
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	748
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	749 switch ((re_opcode_t) *p++)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	750 {
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	751 case no_op:
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	752 printf ("/no_op");
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	753 break;
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	754
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	755 case exactn:
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	756 mcnt = *p++;
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	757 printf ("/exactn/%d", mcnt);
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	758 do
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	759 {
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	760 putchar ('/');
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	761 putchar (*p++);
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	762 }
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	763 while (--mcnt);
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	764 break;
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	765
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	766 case start_memory:
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	767 mcnt = *p++;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	768 printf ("/start_memory/%d/%d", mcnt, *p++);
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	769 break;
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	770
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	771 case stop_memory:
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	772 mcnt = *p++;
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	773 printf ("/stop_memory/%d/%d", mcnt, *p++);
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	774 break;
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	775
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	776 case duplicate:
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	777 printf ("/duplicate/%d", *p++);
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	778 break;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	779
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	780 case anychar:
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	781 printf ("/anychar");
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	782 break;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	783
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	784 case charset:
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	785 case charset_not:
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	786 {
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	787 register int c, last = -100;
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	788 register int in_range = 0;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	789
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	790 printf ("/charset [%s",
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	791 (re_opcode_t) *(p - 1) == charset_not ? "^" : "");
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	792
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	793 assert (p + *p < pend);
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	794
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	795 for (c = 0; c < 256; c++)
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	796 if (c / 8 < *p
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	797 && (p[1 + (c/8)] & (1 << (c % 8))))
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	798 {
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	799 /* Are we starting a range? */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	800 if (last + 1 == c && ! in_range)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	801 {
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	802 putchar ('-');
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	803 in_range = 1;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	804 }
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	805 /* Have we broken a range? */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	806 else if (last + 1 != c && in_range)
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	807 {
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	808 putchar (last);
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	809 in_range = 0;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	810 }
515 69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	811
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	812 if (! in_range)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	813 putchar (c);
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	814
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	815 last = c;
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	816 }
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	817
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	818 if (in_range)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	819 putchar (last);
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	820
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	821 putchar (']');
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	822
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	823 p += 1 + *p;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	824 }
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	825 break;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	826
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	827 case begline:
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	828 printf ("/begline");
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	829 break;
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	830
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	831 case endline:
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	832 printf ("/endline");
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	833 break;
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	834
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	835 case on_failure_jump:
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	836 extract_number_and_incr (&mcnt, &p);
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	837 printf ("/on_failure_jump to %d", p + mcnt - start);
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	838 break;
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	839
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	840 case on_failure_keep_string_jump:
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	841 extract_number_and_incr (&mcnt, &p);
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	842 printf ("/on_failure_keep_string_jump to %d", p + mcnt - start);
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	843 break;
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	844
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	845 case dummy_failure_jump:
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	846 extract_number_and_incr (&mcnt, &p);
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	847 printf ("/dummy_failure_jump to %d", p + mcnt - start);
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	848 break;
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	849
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	850 case push_dummy_failure:
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	851 printf ("/push_dummy_failure");
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	852 break;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	853
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	854 case maybe_pop_jump:
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	855 extract_number_and_incr (&mcnt, &p);
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	856 printf ("/maybe_pop_jump to %d", p + mcnt - start);
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	857 break;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	858
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	859 case pop_failure_jump:
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	860 extract_number_and_incr (&mcnt, &p);
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	861 printf ("/pop_failure_jump to %d", p + mcnt - start);
515 69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	862 break;
69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	863
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	864 case jump_past_alt:
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	865 extract_number_and_incr (&mcnt, &p);
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	866 printf ("/jump_past_alt to %d", p + mcnt - start);
515 69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	867 break;
69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	868
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	869 case jump:
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	870 extract_number_and_incr (&mcnt, &p);
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	871 printf ("/jump to %d", p + mcnt - start);
679 b088267ea1c8 Clean up whitespace. Richard Stallman <rms@gnu.org> parents: 678 diff changeset	872 break;
b088267ea1c8 Clean up whitespace. Richard Stallman <rms@gnu.org> parents: 678 diff changeset	873
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	874 case succeed_n:
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	875 extract_number_and_incr (&mcnt, &p);
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	876 extract_number_and_incr (&mcnt2, &p);
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	877 printf ("/succeed_n to %d, %d times", p + mcnt - start, mcnt2);
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	878 break;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	879
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	880 case jump_n:
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	881 extract_number_and_incr (&mcnt, &p);
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	882 extract_number_and_incr (&mcnt2, &p);
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	883 printf ("/jump_n to %d, %d times", p + mcnt - start, mcnt2);
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	884 break;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	885
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	886 case set_number_at:
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	887 extract_number_and_incr (&mcnt, &p);
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	888 extract_number_and_incr (&mcnt2, &p);
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	889 printf ("/set_number_at location %d to %d", p + mcnt - start, mcnt2);
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	890 break;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	891
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	892 case wordbound:
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	893 printf ("/wordbound");
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	894 break;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	895
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	896 case notwordbound:
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	897 printf ("/notwordbound");
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	898 break;
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	899
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	900 case wordbeg:
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	901 printf ("/wordbeg");
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	902 break;
515 69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	903
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	904 case wordend:
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	905 printf ("/wordend");
515 69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	906
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	907 #ifdef emacs
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	908 case before_dot:
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	909 printf ("/before_dot");
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	910 break;
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	911
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	912 case at_dot:
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	913 printf ("/at_dot");
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	914 break;
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	915
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	916 case after_dot:
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	917 printf ("/after_dot");
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	918 break;
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	919
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	920 case syntaxspec:
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	921 printf ("/syntaxspec");
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	922 mcnt = *p++;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	923 printf ("/%d", mcnt);
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	924 break;
515 69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	925
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	926 case notsyntaxspec:
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	927 printf ("/notsyntaxspec");
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	928 mcnt = *p++;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	929 printf ("/%d", mcnt);
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	930 break;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	931 #endif /* emacs */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	932
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	933 case wordchar:
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	934 printf ("/wordchar");
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	935 break;
515 69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	936
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	937 case notwordchar:
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	938 printf ("/notwordchar");
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	939 break;
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	940
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	941 case begbuf:
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	942 printf ("/begbuf");
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	943 break;
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	944
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	945 case endbuf:
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	946 printf ("/endbuf");
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	947 break;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	948
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	949 default:
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	950 printf ("?%d", *(p-1));
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	951 }
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	952
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	953 putchar ('\n');
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	954 }
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	955
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	956 printf ("%d:\tend of pattern.\n", p - start);
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	957 }
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	958
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	959
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	960 void
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	961 print_compiled_pattern (bufp)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	962 struct re_pattern_buffer *bufp;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	963 {
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	964 unsigned char *buffer = bufp->buffer;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	965
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	966 print_partial_compiled_pattern (buffer, buffer + bufp->used);
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	967 printf ("%d bytes used/%d bytes allocated.\n", bufp->used, bufp->allocated);
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	968
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	969 if (bufp->fastmap_accurate && bufp->fastmap)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	970 {
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	971 printf ("fastmap: ");
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	972 print_fastmap (bufp->fastmap);
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	973 }
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	974
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	975 printf ("re_nsub: %d\t", bufp->re_nsub);
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	976 printf ("regs_alloc: %d\t", bufp->regs_allocated);
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	977 printf ("can_be_null: %d\t", bufp->can_be_null);
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	978 printf ("newline_anchor: %d\n", bufp->newline_anchor);
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	979 printf ("no_sub: %d\t", bufp->no_sub);
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	980 printf ("not_bol: %d\t", bufp->not_bol);
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	981 printf ("not_eol: %d\t", bufp->not_eol);
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	982 printf ("syntax: %d\n", bufp->syntax);
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	983 /* Perhaps we should print the translate table? */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	984 }
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	985
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	986
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	987 void
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	988 print_double_string (where, string1, size1, string2, size2)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	989 const char *where;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	990 const char *string1;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	991 const char *string2;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	992 int size1;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	993 int size2;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	994 {
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	995 unsigned this_char;
515 69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	996
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	997 if (where == NULL)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	998 printf ("(null)");
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	999 else
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1000 {
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1001 if (FIRST_STRING_P (where))
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	1002 {
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	1003 for (this_char = where - string1; this_char < size1; this_char++)
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	1004 putchar (string1[this_char]);
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	1005
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	1006 where = string2;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	1007 }
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1008
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1009 for (this_char = where - string2; this_char < size2; this_char++)
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	1010 putchar (string2[this_char]);
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1011 }
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1012 }
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1013
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1014 #else /* not DEBUG */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1015
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1016 #undef assert
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1017 #define assert(e)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1018
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1019 #define DEBUG_STATEMENT(e)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1020 #define DEBUG_PRINT1(x)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1021 #define DEBUG_PRINT2(x1, x2)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1022 #define DEBUG_PRINT3(x1, x2, x3)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1023 #define DEBUG_PRINT4(x1, x2, x3, x4)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1024 #define DEBUG_PRINT_COMPILED_PATTERN(p, s, e)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1025 #define DEBUG_PRINT_DOUBLE_STRING(w, s1, sz1, s2, sz2)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1026
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1027 #endif /* not DEBUG */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1028
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1029 /* Set by `re_set_syntax' to the current regexp syntax to recognize. Can
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1030 also be assigned to arbitrarily: each pattern buffer stores its own
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1031 syntax, so it can be changed between regex compilations. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1032 /* This has no initializer because initialized variables in Emacs
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1033 become read-only after dumping. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1034 reg_syntax_t re_syntax_options;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1035
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1036
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1037 /* Specify the precise syntax of regexps for compilation. This provides
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1038 for compatibility for various utilities which historically have
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1039 different, incompatible syntaxes.
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1040
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1041 The argument SYNTAX is a bit mask comprised of the various bits
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	1042 defined in regex.h. We return the old syntax. */
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1043
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1044 reg_syntax_t
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1045 re_set_syntax (syntax)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1046 reg_syntax_t syntax;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1047 {
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1048 reg_syntax_t ret = re_syntax_options;
515 69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	1049
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1050 re_syntax_options = syntax;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1051 return ret;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1052 }
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1053
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1054 /* This table gives an error message for each of the error codes listed
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	1055 in regex.h. Obviously the order here has to be same as there.
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1056 POSIX doesn't require that we do anything for REG_NOERROR,
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	1057 but why not be nice? */
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1058
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1059 static const char *re_error_msgid[] =
515 69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	1060 {
69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	1061 gettext_noop ("Success"), /* REG_NOERROR */
69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	1062 gettext_noop ("No match"), /* REG_NOMATCH */
69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	1063 gettext_noop ("Invalid regular expression"), /* REG_BADPAT */
69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	1064 gettext_noop ("Invalid collation character"), /* REG_ECOLLATE */
69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	1065 gettext_noop ("Invalid character class name"), /* REG_ECTYPE */
69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	1066 gettext_noop ("Trailing backslash"), /* REG_EESCAPE */
69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	1067 gettext_noop ("Invalid back reference"), /* REG_ESUBREG */
69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	1068 gettext_noop ("Unmatched [ or [^"), /* REG_EBRACK */
69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	1069 gettext_noop ("Unmatched ( or \\("), /* REG_EPAREN */
69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	1070 gettext_noop ("Unmatched \\{"), /* REG_EBRACE */
69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	1071 gettext_noop ("Invalid content of \\{\\}"), /* REG_BADBR */
69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	1072 gettext_noop ("Invalid range end"), /* REG_ERANGE */
69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	1073 gettext_noop ("Memory exhausted"), /* REG_ESPACE */
69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	1074 gettext_noop ("Invalid preceding regular expression"), /* REG_BADRPT */
69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	1075 gettext_noop ("Premature end of regular expression"), /* REG_EEND */
69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	1076 gettext_noop ("Regular expression too big"), /* REG_ESIZE */
69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	1077 gettext_noop ("Unmatched ) or \\)"), /* REG_ERPAREN */
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1078 };
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1079
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	1080 /* Avoiding alloca during matching, to placate r_alloc. */
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1081
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1082 /* Define MATCH_MAY_ALLOCATE unless we need to make sure that the
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1083 searching and matching functions should not call alloca. On some
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1084 systems, alloca is implemented in terms of malloc, and if we're
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1085 using the relocating allocator routines, then malloc could cause a
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1086 relocation, which might (if the strings being searched are in the
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1087 ralloc heap) shift the data out from underneath the regexp
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1088 routines.
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1089
515 69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	1090 Here's another reason to avoid allocation: Emacs
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1091 processes input from X in a signal handler; processing X input may
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1092 call malloc; if input arrives while a matching routine is calling
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1093 malloc, then we're scrod. But Emacs can't just block input while
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1094 calling matching routines; then we don't notice interrupts when
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1095 they come in. So, Emacs blocks input around all regexp calls
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1096 except the matching calls, which it leaves unprotected, in the
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1097 faith that they will not malloc. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1098
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1099 /* Normally, this is fine. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1100 #define MATCH_MAY_ALLOCATE
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1101
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1102 /* When using GNU C, we are not REALLY using the C alloca, no matter
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1103 what config.h may say. So don't take precautions for it. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1104 #ifdef __GNUC__
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1105 #undef C_ALLOCA
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1106 #endif
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1107
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1108 /* The match routines may not allocate if (1) they would do it with malloc
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1109 and (2) it's not safe for them to use malloc.
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1110 Note that if REL_ALLOC is defined, matching would not use malloc for the
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1111 failure stack, but we would still use it for the register vectors;
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	1112 so REL_ALLOC should not affect this. */
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1113 #if (defined (C_ALLOCA) \|\| defined (REGEX_MALLOC)) && defined (emacs)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1114 #undef MATCH_MAY_ALLOCATE
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1115 #endif
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1116
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1117
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1118 /* Failure stack declarations and macros; both re_compile_fastmap and
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1119 re_match_2 use a failure stack. These have to be macros because of
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1120 REGEX_ALLOCATE_STACK. */
515 69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	1121
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1122
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1123 /* Number of failure points for which to initially allocate space
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1124 when matching. If this number is exceeded, we allocate more
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1125 space, so it is not a hard limit. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1126 #ifndef INIT_FAILURE_ALLOC
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1127 #define INIT_FAILURE_ALLOC 5
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1128 #endif
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1129
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1130 /* Roughly the maximum number of failure points on the stack. Would be
585 bbe2f8972a7c (MAX_FAILURE_ITEMS): Use 5 instead of actual number of regs. Richard Stallman <rms@gnu.org> parents: 542 diff changeset	1131 exactly that if always used MAX_FAILURE_ITEMS items each time we failed.
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1132 This is a variable only so users of regex can assign to it; we never
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	1133 change it ourselves. */
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1134 #if defined (MATCH_MAY_ALLOCATE)
631 3631c8cdc31d (re_max_failures): Reduce to 4000. Richard Stallman <rms@gnu.org> parents: 623 diff changeset	1135 /* 4400 was enough to cause a crash on Alpha OSF/1,
623 9834c73c0147 (re_max_failures): Reduce to 8000. Richard Stallman <rms@gnu.org> parents: 622 diff changeset	1136 whose default stack limit is 2mb. */
671 9ee6f69a1fed (re_max_failures): Increase to 20000 again. Richard Stallman <rms@gnu.org> parents: 636 diff changeset	1137 int re_max_failures = 20000;
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1138 #else
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1139 int re_max_failures = 2000;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1140 #endif
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1141
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1142 union fail_stack_elt
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1143 {
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1144 unsigned char *pointer;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1145 int integer;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1146 };
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1147
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1148 typedef union fail_stack_elt fail_stack_elt_t;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1149
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1150 typedef struct
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1151 {
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1152 fail_stack_elt_t *stack;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1153 unsigned size;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1154 unsigned avail; /* Offset of next open position. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1155 } fail_stack_type;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1156
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1157 #define FAIL_STACK_EMPTY() (fail_stack.avail == 0)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1158 #define FAIL_STACK_PTR_EMPTY() (fail_stack_ptr->avail == 0)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1159 #define FAIL_STACK_FULL() (fail_stack.avail == fail_stack.size)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1160
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1161
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1162 /* Define macros to initialize and free the failure stack.
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1163 Do `return -2' if the alloc fails. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1164
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1165 #ifdef MATCH_MAY_ALLOCATE
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1166 #define INIT_FAIL_STACK() \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1167 do { \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1168 fail_stack.stack = (fail_stack_elt_t *) \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1169 REGEX_ALLOCATE_STACK (INIT_FAILURE_ALLOC * sizeof (fail_stack_elt_t)); \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1170 \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1171 if (fail_stack.stack == NULL) \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1172 return -2; \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1173 \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1174 fail_stack.size = INIT_FAILURE_ALLOC; \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1175 fail_stack.avail = 0; \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1176 } while (0)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1177
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1178 #define RESET_FAIL_STACK() REGEX_FREE_STACK (fail_stack.stack)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1179 #else
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1180 #define INIT_FAIL_STACK() \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1181 do { \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1182 fail_stack.avail = 0; \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1183 } while (0)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1184
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1185 #define RESET_FAIL_STACK()
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1186 #endif
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1187
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1188
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1189 /* Double the size of FAIL_STACK, up to approximately `re_max_failures' items.
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1190
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1191 Return 1 if succeeds, and 0 if either ran out of memory
515 69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	1192 allocating space for it or it was already too large.
69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	1193
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	1194 REGEX_REALLOCATE_STACK requires `destination' be declared. */
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1195
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1196 #define DOUBLE_FAIL_STACK(fail_stack) \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1197 ((fail_stack).size > re_max_failures * MAX_FAILURE_ITEMS \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1198 ? 0 \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1199 : ((fail_stack).stack = (fail_stack_elt_t *) \
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	1200 REGEX_REALLOCATE_STACK ((fail_stack).stack, \
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	1201 (fail_stack).size * sizeof (fail_stack_elt_t), \
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	1202 ((fail_stack).size << 1) * sizeof (fail_stack_elt_t)), \
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1203 \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1204 (fail_stack).stack == NULL \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1205 ? 0 \
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	1206 : ((fail_stack).size <<= 1, \
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	1207 1)))
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1208
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1209
515 69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	1210 /* Push pointer POINTER on FAIL_STACK.
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1211 Return 1 if was able to do so and 0 if ran out of memory allocating
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1212 space to do so. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1213 #define PUSH_PATTERN_OP(POINTER, FAIL_STACK) \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1214 ((FAIL_STACK_FULL () \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1215 && !DOUBLE_FAIL_STACK (FAIL_STACK)) \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1216 ? 0 \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1217 : ((FAIL_STACK).stack[(FAIL_STACK).avail++].pointer = POINTER, \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1218 1))
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1219
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1220 /* Push a pointer value onto the failure stack.
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1221 Assumes the variable `fail_stack'. Probably should only
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	1222 be called from within `PUSH_FAILURE_POINT'. */
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1223 #define PUSH_FAILURE_POINTER(item) \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1224 fail_stack.stack[fail_stack.avail++].pointer = (unsigned char *) (item)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1225
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1226 /* This pushes an integer-valued item onto the failure stack.
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1227 Assumes the variable `fail_stack'. Probably should only
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	1228 be called from within `PUSH_FAILURE_POINT'. */
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1229 #define PUSH_FAILURE_INT(item) \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1230 fail_stack.stack[fail_stack.avail++].integer = (item)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1231
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1232 /* Push a fail_stack_elt_t value onto the failure stack.
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1233 Assumes the variable `fail_stack'. Probably should only
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	1234 be called from within `PUSH_FAILURE_POINT'. */
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1235 #define PUSH_FAILURE_ELT(item) \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1236 fail_stack.stack[fail_stack.avail++] = (item)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1237
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1238 /* These three POP... operations complement the three PUSH... operations.
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1239 All assume that `fail_stack' is nonempty. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1240 #define POP_FAILURE_POINTER() fail_stack.stack[--fail_stack.avail].pointer
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1241 #define POP_FAILURE_INT() fail_stack.stack[--fail_stack.avail].integer
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1242 #define POP_FAILURE_ELT() fail_stack.stack[--fail_stack.avail]
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1243
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1244 /* Used to omit pushing failure point id's when we're not debugging. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1245 #ifdef DEBUG
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1246 #define DEBUG_PUSH PUSH_FAILURE_INT
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1247 #define DEBUG_POP(item_addr) *(item_addr) = POP_FAILURE_INT ()
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1248 #else
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1249 #define DEBUG_PUSH(item)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1250 #define DEBUG_POP(item_addr)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1251 #endif
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1252
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1253
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1254 /* Push the information about the state we will need
515 69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	1255 if we ever fail back to it.
69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	1256
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1257 Requires variables fail_stack, regstart, regend, reg_info, and
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1258 num_regs be declared. DOUBLE_FAIL_STACK requires `destination' be
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1259 declared.
515 69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	1260
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1261 Does `return FAILURE_CODE' if runs out of memory. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1262
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1263 #define PUSH_FAILURE_POINT(pattern_place, string_place, failure_code) \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1264 do { \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1265 char *destination; \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1266 /* Must be int, so when we don't save any registers, the arithmetic \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1267 of 0 + -1 isn't done as unsigned. */ \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1268 int this_reg; \
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	1269 \
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1270 DEBUG_STATEMENT (failure_id++); \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1271 DEBUG_STATEMENT (nfailure_points_pushed++); \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1272 DEBUG_PRINT2 ("\nPUSH_FAILURE_POINT #%u:\n", failure_id); \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1273 DEBUG_PRINT2 (" Before push, next avail: %d\n", (fail_stack).avail);\
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	1274 DEBUG_PRINT2 (" size: %d\n", (fail_stack).size);\
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1275 \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1276 DEBUG_PRINT2 (" slots needed: %d\n", NUM_FAILURE_ITEMS); \
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	1277 DEBUG_PRINT2 (" available: %d\n", REMAINING_AVAIL_SLOTS); \
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1278 \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1279 /* Ensure we have enough space allocated for what we will push. */ \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1280 while (REMAINING_AVAIL_SLOTS < NUM_FAILURE_ITEMS) \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1281 { \
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	1282 if (!DOUBLE_FAIL_STACK (fail_stack)) \
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	1283 return failure_code; \
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1284 \
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	1285 DEBUG_PRINT2 ("\n Doubled stack; size now: %d\n", \
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1286 (fail_stack).size); \
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	1287 DEBUG_PRINT2 (" slots available: %d\n", REMAINING_AVAIL_SLOTS);\
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1288 } \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1289 \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1290 /* Push the info, starting with the registers. */ \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1291 DEBUG_PRINT1 ("\n"); \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1292 \
511 799190471f84 (NUM_FAILURE_ITEMS, POP_FAILURE_POINT, PUSH_FAILURE_POINT): Richard Stallman <rms@gnu.org> parents: 506 diff changeset	1293 if (1) \
480 998dc67883fb (PUSH_FAILURE_POINT, POP_FAILURE_POINT): Don't push or pop Richard Stallman <rms@gnu.org> parents: 463 diff changeset	1294 for (this_reg = lowest_active_reg; this_reg <= highest_active_reg; \
998dc67883fb (PUSH_FAILURE_POINT, POP_FAILURE_POINT): Don't push or pop Richard Stallman <rms@gnu.org> parents: 463 diff changeset	1295 this_reg++) \
998dc67883fb (PUSH_FAILURE_POINT, POP_FAILURE_POINT): Don't push or pop Richard Stallman <rms@gnu.org> parents: 463 diff changeset	1296 { \
998dc67883fb (PUSH_FAILURE_POINT, POP_FAILURE_POINT): Don't push or pop Richard Stallman <rms@gnu.org> parents: 463 diff changeset	1297 DEBUG_PRINT2 (" Pushing reg: %d\n", this_reg); \
998dc67883fb (PUSH_FAILURE_POINT, POP_FAILURE_POINT): Don't push or pop Richard Stallman <rms@gnu.org> parents: 463 diff changeset	1298 DEBUG_STATEMENT (num_regs_pushed++); \
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1299 \
480 998dc67883fb (PUSH_FAILURE_POINT, POP_FAILURE_POINT): Don't push or pop Richard Stallman <rms@gnu.org> parents: 463 diff changeset	1300 DEBUG_PRINT2 (" start: 0x%x\n", regstart[this_reg]); \
998dc67883fb (PUSH_FAILURE_POINT, POP_FAILURE_POINT): Don't push or pop Richard Stallman <rms@gnu.org> parents: 463 diff changeset	1301 PUSH_FAILURE_POINTER (regstart[this_reg]); \
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1302 \
480 998dc67883fb (PUSH_FAILURE_POINT, POP_FAILURE_POINT): Don't push or pop Richard Stallman <rms@gnu.org> parents: 463 diff changeset	1303 DEBUG_PRINT2 (" end: 0x%x\n", regend[this_reg]); \
998dc67883fb (PUSH_FAILURE_POINT, POP_FAILURE_POINT): Don't push or pop Richard Stallman <rms@gnu.org> parents: 463 diff changeset	1304 PUSH_FAILURE_POINTER (regend[this_reg]); \
998dc67883fb (PUSH_FAILURE_POINT, POP_FAILURE_POINT): Don't push or pop Richard Stallman <rms@gnu.org> parents: 463 diff changeset	1305 \
998dc67883fb (PUSH_FAILURE_POINT, POP_FAILURE_POINT): Don't push or pop Richard Stallman <rms@gnu.org> parents: 463 diff changeset	1306 DEBUG_PRINT2 (" info: 0x%x\n ", reg_info[this_reg]); \
998dc67883fb (PUSH_FAILURE_POINT, POP_FAILURE_POINT): Don't push or pop Richard Stallman <rms@gnu.org> parents: 463 diff changeset	1307 DEBUG_PRINT2 (" match_null=%d", \
998dc67883fb (PUSH_FAILURE_POINT, POP_FAILURE_POINT): Don't push or pop Richard Stallman <rms@gnu.org> parents: 463 diff changeset	1308 REG_MATCH_NULL_STRING_P (reg_info[this_reg])); \
998dc67883fb (PUSH_FAILURE_POINT, POP_FAILURE_POINT): Don't push or pop Richard Stallman <rms@gnu.org> parents: 463 diff changeset	1309 DEBUG_PRINT2 (" active=%d", IS_ACTIVE (reg_info[this_reg])); \
998dc67883fb (PUSH_FAILURE_POINT, POP_FAILURE_POINT): Don't push or pop Richard Stallman <rms@gnu.org> parents: 463 diff changeset	1310 DEBUG_PRINT2 (" matched_something=%d", \
998dc67883fb (PUSH_FAILURE_POINT, POP_FAILURE_POINT): Don't push or pop Richard Stallman <rms@gnu.org> parents: 463 diff changeset	1311 MATCHED_SOMETHING (reg_info[this_reg])); \
998dc67883fb (PUSH_FAILURE_POINT, POP_FAILURE_POINT): Don't push or pop Richard Stallman <rms@gnu.org> parents: 463 diff changeset	1312 DEBUG_PRINT2 (" ever_matched=%d", \
998dc67883fb (PUSH_FAILURE_POINT, POP_FAILURE_POINT): Don't push or pop Richard Stallman <rms@gnu.org> parents: 463 diff changeset	1313 EVER_MATCHED_SOMETHING (reg_info[this_reg])); \
998dc67883fb (PUSH_FAILURE_POINT, POP_FAILURE_POINT): Don't push or pop Richard Stallman <rms@gnu.org> parents: 463 diff changeset	1314 DEBUG_PRINT1 ("\n"); \
998dc67883fb (PUSH_FAILURE_POINT, POP_FAILURE_POINT): Don't push or pop Richard Stallman <rms@gnu.org> parents: 463 diff changeset	1315 PUSH_FAILURE_ELT (reg_info[this_reg].word); \
998dc67883fb (PUSH_FAILURE_POINT, POP_FAILURE_POINT): Don't push or pop Richard Stallman <rms@gnu.org> parents: 463 diff changeset	1316 } \
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1317 \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1318 DEBUG_PRINT2 (" Pushing low active reg: %d\n", lowest_active_reg);\
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1319 PUSH_FAILURE_INT (lowest_active_reg); \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1320 \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1321 DEBUG_PRINT2 (" Pushing high active reg: %d\n", highest_active_reg);\
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1322 PUSH_FAILURE_INT (highest_active_reg); \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1323 \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1324 DEBUG_PRINT2 (" Pushing pattern 0x%x: ", pattern_place); \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1325 DEBUG_PRINT_COMPILED_PATTERN (bufp, pattern_place, pend); \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1326 PUSH_FAILURE_POINTER (pattern_place); \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1327 \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1328 DEBUG_PRINT2 (" Pushing string 0x%x: `", string_place); \
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	1329 DEBUG_PRINT_DOUBLE_STRING (string_place, string1, size1, string2, \
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1330 size2); \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1331 DEBUG_PRINT1 ("'\n"); \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1332 PUSH_FAILURE_POINTER (string_place); \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1333 \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1334 DEBUG_PRINT2 (" Pushing failure id: %u\n", failure_id); \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1335 DEBUG_PUSH (failure_id); \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1336 } while (0)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1337
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1338 /* This is the number of items that are pushed and popped on the stack
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1339 for each register. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1340 #define NUM_REG_ITEMS 3
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1341
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1342 /* Individual items aside from the registers. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1343 #ifdef DEBUG
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1344 #define NUM_NONREG_ITEMS 5 /* Includes failure point id. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1345 #else
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1346 #define NUM_NONREG_ITEMS 4
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1347 #endif
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1348
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1349 /* We push at most this many items on the stack. */
585 bbe2f8972a7c (MAX_FAILURE_ITEMS): Use 5 instead of actual number of regs. Richard Stallman <rms@gnu.org> parents: 542 diff changeset	1350 /* We used to use (num_regs - 1), which is the number of registers
bbe2f8972a7c (MAX_FAILURE_ITEMS): Use 5 instead of actual number of regs. Richard Stallman <rms@gnu.org> parents: 542 diff changeset	1351 this regexp will save; but that was changed to 5
bbe2f8972a7c (MAX_FAILURE_ITEMS): Use 5 instead of actual number of regs. Richard Stallman <rms@gnu.org> parents: 542 diff changeset	1352 to avoid stack overflow for a regexp with lots of parens. */
bbe2f8972a7c (MAX_FAILURE_ITEMS): Use 5 instead of actual number of regs. Richard Stallman <rms@gnu.org> parents: 542 diff changeset	1353 #define MAX_FAILURE_ITEMS (5 * NUM_REG_ITEMS + NUM_NONREG_ITEMS)
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1354
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1355 /* We actually push this many items. */
480 998dc67883fb (PUSH_FAILURE_POINT, POP_FAILURE_POINT): Don't push or pop Richard Stallman <rms@gnu.org> parents: 463 diff changeset	1356 #define NUM_FAILURE_ITEMS \
511 799190471f84 (NUM_FAILURE_ITEMS, POP_FAILURE_POINT, PUSH_FAILURE_POINT): Richard Stallman <rms@gnu.org> parents: 506 diff changeset	1357 (((0 \
480 998dc67883fb (PUSH_FAILURE_POINT, POP_FAILURE_POINT): Don't push or pop Richard Stallman <rms@gnu.org> parents: 463 diff changeset	1358 ? 0 : highest_active_reg - lowest_active_reg + 1) \
998dc67883fb (PUSH_FAILURE_POINT, POP_FAILURE_POINT): Don't push or pop Richard Stallman <rms@gnu.org> parents: 463 diff changeset	1359 * NUM_REG_ITEMS) \
998dc67883fb (PUSH_FAILURE_POINT, POP_FAILURE_POINT): Don't push or pop Richard Stallman <rms@gnu.org> parents: 463 diff changeset	1360 + NUM_NONREG_ITEMS)
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1361
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1362 /* How many items can still be added to the stack without overflowing it. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1363 #define REMAINING_AVAIL_SLOTS ((fail_stack).size - (fail_stack).avail)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1364
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1365
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1366 /* Pops what PUSH_FAIL_STACK pushes.
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1367
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1368 We restore into the parameters, all of which should be lvalues:
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1369 STR -- the saved data position.
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1370 PAT -- the saved pattern position.
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1371 LOW_REG, HIGH_REG -- the highest and lowest active registers.
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1372 REGSTART, REGEND -- arrays of string positions.
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1373 REG_INFO -- array of information about each subexpression.
515 69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	1374
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1375 Also assumes the variables `fail_stack' and (if debugging), `bufp',
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	1376 `pend', `string1', `size1', `string2', and `size2'. */
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1377
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1378 #define POP_FAILURE_POINT(str, pat, low_reg, high_reg, regstart, regend, reg_info)\
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1379 { \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1380 DEBUG_STATEMENT (fail_stack_elt_t failure_id;) \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1381 int this_reg; \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1382 const unsigned char *string_temp; \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1383 \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1384 assert (!FAIL_STACK_EMPTY ()); \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1385 \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1386 /* Remove failure points and point to how many regs pushed. */ \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1387 DEBUG_PRINT1 ("POP_FAILURE_POINT:\n"); \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1388 DEBUG_PRINT2 (" Before pop, next avail: %d\n", fail_stack.avail); \
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	1389 DEBUG_PRINT2 (" size: %d\n", fail_stack.size); \
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1390 \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1391 assert (fail_stack.avail >= NUM_NONREG_ITEMS); \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1392 \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1393 DEBUG_POP (&failure_id); \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1394 DEBUG_PRINT2 (" Popping failure id: %u\n", failure_id); \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1395 \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1396 /* If the saved string location is NULL, it came from an \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1397 on_failure_keep_string_jump opcode, and we want to throw away the \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1398 saved NULL, thus retaining our current position in the string. */ \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1399 string_temp = POP_FAILURE_POINTER (); \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1400 if (string_temp != NULL) \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1401 str = (const char *) string_temp; \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1402 \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1403 DEBUG_PRINT2 (" Popping string 0x%x: `", str); \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1404 DEBUG_PRINT_DOUBLE_STRING (str, string1, size1, string2, size2); \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1405 DEBUG_PRINT1 ("'\n"); \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1406 \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1407 pat = (unsigned char *) POP_FAILURE_POINTER (); \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1408 DEBUG_PRINT2 (" Popping pattern 0x%x: ", pat); \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1409 DEBUG_PRINT_COMPILED_PATTERN (bufp, pat, pend); \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1410 \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1411 /* Restore register info. */ \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1412 high_reg = (unsigned) POP_FAILURE_INT (); \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1413 DEBUG_PRINT2 (" Popping high active reg: %d\n", high_reg); \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1414 \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1415 low_reg = (unsigned) POP_FAILURE_INT (); \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1416 DEBUG_PRINT2 (" Popping low active reg: %d\n", low_reg); \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1417 \
511 799190471f84 (NUM_FAILURE_ITEMS, POP_FAILURE_POINT, PUSH_FAILURE_POINT): Richard Stallman <rms@gnu.org> parents: 506 diff changeset	1418 if (1) \
480 998dc67883fb (PUSH_FAILURE_POINT, POP_FAILURE_POINT): Don't push or pop Richard Stallman <rms@gnu.org> parents: 463 diff changeset	1419 for (this_reg = high_reg; this_reg >= low_reg; this_reg--) \
998dc67883fb (PUSH_FAILURE_POINT, POP_FAILURE_POINT): Don't push or pop Richard Stallman <rms@gnu.org> parents: 463 diff changeset	1420 { \
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	1421 DEBUG_PRINT2 (" Popping reg: %d\n", this_reg); \
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1422 \
480 998dc67883fb (PUSH_FAILURE_POINT, POP_FAILURE_POINT): Don't push or pop Richard Stallman <rms@gnu.org> parents: 463 diff changeset	1423 reg_info[this_reg].word = POP_FAILURE_ELT (); \
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	1424 DEBUG_PRINT2 (" info: 0x%x\n", reg_info[this_reg]); \
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1425 \
480 998dc67883fb (PUSH_FAILURE_POINT, POP_FAILURE_POINT): Don't push or pop Richard Stallman <rms@gnu.org> parents: 463 diff changeset	1426 regend[this_reg] = (const char *) POP_FAILURE_POINTER (); \
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	1427 DEBUG_PRINT2 (" end: 0x%x\n", regend[this_reg]); \
480 998dc67883fb (PUSH_FAILURE_POINT, POP_FAILURE_POINT): Don't push or pop Richard Stallman <rms@gnu.org> parents: 463 diff changeset	1428 \
998dc67883fb (PUSH_FAILURE_POINT, POP_FAILURE_POINT): Don't push or pop Richard Stallman <rms@gnu.org> parents: 463 diff changeset	1429 regstart[this_reg] = (const char *) POP_FAILURE_POINTER (); \
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	1430 DEBUG_PRINT2 (" start: 0x%x\n", regstart[this_reg]); \
480 998dc67883fb (PUSH_FAILURE_POINT, POP_FAILURE_POINT): Don't push or pop Richard Stallman <rms@gnu.org> parents: 463 diff changeset	1431 } \
501 f29b13c2cefd (TRANSLATE, PATFETCH): Cast elt of `translate'. Richard Stallman <rms@gnu.org> parents: 490 diff changeset	1432 else \
f29b13c2cefd (TRANSLATE, PATFETCH): Cast elt of `translate'. Richard Stallman <rms@gnu.org> parents: 490 diff changeset	1433 { \
f29b13c2cefd (TRANSLATE, PATFETCH): Cast elt of `translate'. Richard Stallman <rms@gnu.org> parents: 490 diff changeset	1434 for (this_reg = highest_active_reg; this_reg > high_reg; this_reg--) \
f29b13c2cefd (TRANSLATE, PATFETCH): Cast elt of `translate'. Richard Stallman <rms@gnu.org> parents: 490 diff changeset	1435 { \
506 b2984f830b57 (POP_FAILURE_POINT): Use .word.integer. Richard Stallman <rms@gnu.org> parents: 503 diff changeset	1436 reg_info[this_reg].word.integer = 0; \
501 f29b13c2cefd (TRANSLATE, PATFETCH): Cast elt of `translate'. Richard Stallman <rms@gnu.org> parents: 490 diff changeset	1437 regend[this_reg] = 0; \
f29b13c2cefd (TRANSLATE, PATFETCH): Cast elt of `translate'. Richard Stallman <rms@gnu.org> parents: 490 diff changeset	1438 regstart[this_reg] = 0; \
f29b13c2cefd (TRANSLATE, PATFETCH): Cast elt of `translate'. Richard Stallman <rms@gnu.org> parents: 490 diff changeset	1439 } \
f29b13c2cefd (TRANSLATE, PATFETCH): Cast elt of `translate'. Richard Stallman <rms@gnu.org> parents: 490 diff changeset	1440 highest_active_reg = high_reg; \
f29b13c2cefd (TRANSLATE, PATFETCH): Cast elt of `translate'. Richard Stallman <rms@gnu.org> parents: 490 diff changeset	1441 } \
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1442 \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1443 set_regs_matched_done = 0; \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1444 DEBUG_STATEMENT (nfailure_points_popped++); \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1445 } /* POP_FAILURE_POINT */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1446
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1447
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1448
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1449 /* Structure for per-register (a.k.a. per-group) information.
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1450 Other register information, such as the
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1451 starting and ending positions (which are addresses), and the list of
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1452 inner groups (which is a bits list) are maintained in separate
515 69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	1453 variables.
69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	1454
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1455 We are making a (strictly speaking) nonportable assumption here: that
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1456 the compiler will pack our bit fields into something that fits into
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1457 the type of `word', i.e., is something that fits into one item on the
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1458 failure stack. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1459
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1460 typedef union
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1461 {
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1462 fail_stack_elt_t word;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1463 struct
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1464 {
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1465 /* This field is one if this group can match the empty string,
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	1466 zero if not. If not yet determined, `MATCH_NULL_UNSET_VALUE'. */
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1467 #define MATCH_NULL_UNSET_VALUE 3
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1468 unsigned match_null_string_p : 2;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1469 unsigned is_active : 1;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1470 unsigned matched_something : 1;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1471 unsigned ever_matched_something : 1;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1472 } bits;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1473 } register_info_type;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1474
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1475 #define REG_MATCH_NULL_STRING_P(R) ((R).bits.match_null_string_p)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1476 #define IS_ACTIVE(R) ((R).bits.is_active)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1477 #define MATCHED_SOMETHING(R) ((R).bits.matched_something)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1478 #define EVER_MATCHED_SOMETHING(R) ((R).bits.ever_matched_something)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1479
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1480
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1481 /* Call this when have matched a real character; it sets `matched' flags
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1482 for the subexpressions which we are currently inside. Also records
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1483 that those subexprs have matched. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1484 #define SET_REGS_MATCHED() \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1485 do \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1486 { \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1487 if (!set_regs_matched_done) \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1488 { \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1489 unsigned r; \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1490 set_regs_matched_done = 1; \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1491 for (r = lowest_active_reg; r <= highest_active_reg; r++) \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1492 { \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1493 MATCHED_SOMETHING (reg_info[r]) \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1494 = EVER_MATCHED_SOMETHING (reg_info[r]) \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1495 = 1; \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1496 } \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1497 } \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1498 } \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1499 while (0)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1500
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1501 /* Registers are set to a sentinel when they haven't yet matched. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1502 static char reg_unset_dummy;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1503 #define REG_UNSET_VALUE (&reg_unset_dummy)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1504 #define REG_UNSET(e) ((e) == REG_UNSET_VALUE)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1505
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1506 /* Subroutine declarations and macros for regex_compile. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1507
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1508 static void store_op1 (), store_op2 ();
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1509 static void insert_op1 (), insert_op2 ();
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1510 static boolean at_begline_loc_p (), at_endline_loc_p ();
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1511 static boolean group_in_compile_stack ();
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1512 static reg_errcode_t compile_range ();
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1513
515 69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	1514 /* Fetch the next character in the uncompiled pattern---translating it
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1515 if necessary. Also cast from a signed character in the constant
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1516 string passed to us by the user to an unsigned char that we can use
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1517 as an array index (in, e.g., `translate'). */
501 f29b13c2cefd (TRANSLATE, PATFETCH): Cast elt of `translate'. Richard Stallman <rms@gnu.org> parents: 490 diff changeset	1518 #ifndef PATFETCH
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1519 #define PATFETCH(c) \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1520 do {if (p == pend) return REG_EEND; \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1521 c = (unsigned char) *p++; \
501 f29b13c2cefd (TRANSLATE, PATFETCH): Cast elt of `translate'. Richard Stallman <rms@gnu.org> parents: 490 diff changeset	1522 if (translate) c = (unsigned char) translate[c]; \
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1523 } while (0)
501 f29b13c2cefd (TRANSLATE, PATFETCH): Cast elt of `translate'. Richard Stallman <rms@gnu.org> parents: 490 diff changeset	1524 #endif
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1525
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1526 /* Fetch the next character in the uncompiled pattern, with no
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	1527 translation. */
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1528 #define PATFETCH_RAW(c) \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1529 do {if (p == pend) return REG_EEND; \
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	1530 c = (unsigned char) *p++; \
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1531 } while (0)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1532
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1533 /* Go backwards one character in the pattern. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1534 #define PATUNFETCH p--
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1535
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1536
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1537 /* If `translate' is non-null, return translate[D], else just D. We
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1538 cast the subscript to translate because some data is declared as
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1539 `char *', to avoid warnings when a string constant is passed. But
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1540 when we use a character as a subscript we must make it unsigned. */
501 f29b13c2cefd (TRANSLATE, PATFETCH): Cast elt of `translate'. Richard Stallman <rms@gnu.org> parents: 490 diff changeset	1541 #ifndef TRANSLATE
f29b13c2cefd (TRANSLATE, PATFETCH): Cast elt of `translate'. Richard Stallman <rms@gnu.org> parents: 490 diff changeset	1542 #define TRANSLATE(d) \
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	1543 (translate ? (unsigned char) translate[(unsigned char) (d)] : (d))
501 f29b13c2cefd (TRANSLATE, PATFETCH): Cast elt of `translate'. Richard Stallman <rms@gnu.org> parents: 490 diff changeset	1544 #endif
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1545
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1546
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1547 /* Macros for outputting the compiled pattern into `buffer'. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1548
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1549 /* If the buffer isn't allocated when it comes in, use this. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1550 #define INIT_BUF_SIZE 32
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1551
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	1552 /* Make sure we have at least N more bytes of space in buffer. */
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1553 #define GET_BUFFER_SPACE(n) \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1554 while (b - bufp->buffer + (n) > bufp->allocated) \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1555 EXTEND_BUFFER ()
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1556
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1557 /* Make sure we have one more byte of buffer space and then add C to it. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1558 #define BUF_PUSH(c) \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1559 do { \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1560 GET_BUFFER_SPACE (1); \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1561 *b++ = (unsigned char) (c); \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1562 } while (0)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1563
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1564
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1565 /* Ensure we have two more bytes of buffer space and then append C1 and C2. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1566 #define BUF_PUSH_2(c1, c2) \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1567 do { \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1568 GET_BUFFER_SPACE (2); \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1569 *b++ = (unsigned char) (c1); \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1570 *b++ = (unsigned char) (c2); \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1571 } while (0)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1572
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1573
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	1574 /* As with BUF_PUSH_2, except for three bytes. */
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1575 #define BUF_PUSH_3(c1, c2, c3) \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1576 do { \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1577 GET_BUFFER_SPACE (3); \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1578 *b++ = (unsigned char) (c1); \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1579 *b++ = (unsigned char) (c2); \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1580 *b++ = (unsigned char) (c3); \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1581 } while (0)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1582
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1583
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1584 /* Store a jump with opcode OP at LOC to location TO. We store a
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	1585 relative address offset by the three bytes the jump itself occupies. */
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1586 #define STORE_JUMP(op, loc, to) \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1587 store_op1 (op, loc, (to) - (loc) - 3)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1588
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1589 /* Likewise, for a two-argument jump. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1590 #define STORE_JUMP2(op, loc, to, arg) \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1591 store_op2 (op, loc, (to) - (loc) - 3, arg)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1592
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	1593 /* Like `STORE_JUMP', but for inserting. Assume `b' is the buffer end. */
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1594 #define INSERT_JUMP(op, loc, to) \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1595 insert_op1 (op, loc, (to) - (loc) - 3, b)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1596
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1597 /* Like `STORE_JUMP2', but for inserting. Assume `b' is the buffer end. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1598 #define INSERT_JUMP2(op, loc, to, arg) \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1599 insert_op2 (op, loc, (to) - (loc) - 3, arg, b)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1600
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1601
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1602 /* This is not an arbitrary limit: the arguments which represent offsets
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	1603 into the pattern are two bytes long. So if 2^16 bytes turns out to
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1604 be too small, many things would have to change. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1605 #define MAX_BUF_SIZE (1L << 16)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1606
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1607
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1608 /* Extend the buffer by twice its current size via realloc and
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1609 reset the pointers that pointed into the old block to point to the
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1610 correct places in the new one. If extending the buffer results in it
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	1611 being larger than MAX_BUF_SIZE, then flag memory exhausted. */
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1612 #define EXTEND_BUFFER() \
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	1613 do { \
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1614 unsigned char *old_buffer = bufp->buffer; \
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	1615 if (bufp->allocated == MAX_BUF_SIZE) \
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1616 return REG_ESIZE; \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1617 bufp->allocated <<= 1; \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1618 if (bufp->allocated > MAX_BUF_SIZE) \
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	1619 bufp->allocated = MAX_BUF_SIZE; \
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1620 bufp->buffer = (unsigned char *) realloc (bufp->buffer, bufp->allocated);\
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1621 if (bufp->buffer == NULL) \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1622 return REG_ESPACE; \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1623 /* If the buffer moved, move all the pointers into it. */ \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1624 if (old_buffer != bufp->buffer) \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1625 { \
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	1626 b = (b - old_buffer) + bufp->buffer; \
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	1627 begalt = (begalt - old_buffer) + bufp->buffer; \
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	1628 if (fixup_alt_jump) \
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	1629 fixup_alt_jump = (fixup_alt_jump - old_buffer) + bufp->buffer;\
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	1630 if (laststart) \
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	1631 laststart = (laststart - old_buffer) + bufp->buffer; \
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	1632 if (pending_exact) \
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	1633 pending_exact = (pending_exact - old_buffer) + bufp->buffer; \
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1634 } \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1635 } while (0)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1636
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1637
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1638 /* Since we have one byte reserved for the register number argument to
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1639 {start,stop}_memory, the maximum number of groups we can report
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1640 things about is what fits in that byte. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1641 #define MAX_REGNUM 255
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1642
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1643 /* But patterns can have more than `MAX_REGNUM' registers. We just
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1644 ignore the excess. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1645 typedef unsigned regnum_t;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1646
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1647
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1648 /* Macros for the compile stack. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1649
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1650 /* Since offsets can go either forwards or backwards, this type needs to
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	1651 be able to hold values from -(MAX_BUF_SIZE - 1) to MAX_BUF_SIZE - 1. */
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1652 typedef int pattern_offset_t;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1653
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1654 typedef struct
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1655 {
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1656 pattern_offset_t begalt_offset;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1657 pattern_offset_t fixup_alt_jump;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1658 pattern_offset_t inner_group_offset;
515 69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	1659 pattern_offset_t laststart_offset;
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1660 regnum_t regnum;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1661 } compile_stack_elt_t;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1662
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1663
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1664 typedef struct
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1665 {
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1666 compile_stack_elt_t *stack;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1667 unsigned size;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1668 unsigned avail; /* Offset of next open position. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1669 } compile_stack_type;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1670
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1671
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1672 #define INIT_COMPILE_STACK_SIZE 32
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1673
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1674 #define COMPILE_STACK_EMPTY (compile_stack.avail == 0)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1675 #define COMPILE_STACK_FULL (compile_stack.avail == compile_stack.size)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1676
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	1677 /* The next available element. */
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1678 #define COMPILE_STACK_TOP (compile_stack.stack[compile_stack.avail])
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1679
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1680
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	1681 /* Structure to manage work area for range table. */
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	1682 struct range_table_work_area
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	1683 {
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	1684 int table; / actual work area. */
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	1685 int allocated; /* allocated size for work area in bytes. */
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	1686 int used; /* actually used size in words. */
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	1687 };
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	1688
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	1689 /* Make sure that WORK_AREA can hold more N multibyte characters. */
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	1690 #define EXTEND_RANGE_TABLE_WORK_AREA(work_area, n) \
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	1691 do { \
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	1692 if (((work_area).used + (n)) * sizeof (int) > (work_area).allocated) \
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	1693 { \
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	1694 (work_area).allocated += 16 * sizeof (int); \
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	1695 if ((work_area).table) \
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	1696 (work_area).table \
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	1697 = (int *) realloc ((work_area).table, (work_area).allocated); \
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	1698 else \
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	1699 (work_area).table \
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	1700 = (int *) malloc ((work_area).allocated); \
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	1701 if ((work_area).table == 0) \
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	1702 FREE_STACK_RETURN (REG_ESPACE); \
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	1703 } \
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	1704 } while (0)
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	1705
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	1706 /* Set a range (RANGE_START, RANGE_END) to WORK_AREA. */
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	1707 #define SET_RANGE_TABLE_WORK_AREA(work_area, range_start, range_end) \
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	1708 do { \
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	1709 EXTEND_RANGE_TABLE_WORK_AREA ((work_area), 2); \
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	1710 (work_area).table[(work_area).used++] = (range_start); \
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	1711 (work_area).table[(work_area).used++] = (range_end); \
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	1712 } while (0)
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	1713
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	1714 /* Free allocated memory for WORK_AREA. */
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	1715 #define FREE_RANGE_TABLE_WORK_AREA(work_area) \
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	1716 do { \
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	1717 if ((work_area).table) \
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	1718 free ((work_area).table); \
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	1719 } while (0)
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	1720
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	1721 #define CLEAR_RANGE_TABLE_WORK_USED(work_area) ((work_area).used = 0)
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	1722 #define RANGE_TABLE_WORK_USED(work_area) ((work_area).used)
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	1723 #define RANGE_TABLE_WORK_ELT(work_area, i) ((work_area).table[i])
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	1724
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	1725
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1726 /* Set the bit for character C in a list. */
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	1727 #define SET_LIST_BIT(c) \
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	1728 (b[((unsigned char) (c)) / BYTEWIDTH] \
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1729 \|= 1 << (((unsigned char) c) % BYTEWIDTH))
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1730
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1731
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1732 /* Get the next unsigned number in the uncompiled pattern. */
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	1733 #define GET_UNSIGNED_NUMBER(num) \
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1734 { if (p != pend) \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1735 { \
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	1736 PATFETCH (c); \
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	1737 while (ISDIGIT (c)) \
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	1738 { \
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	1739 if (num < 0) \
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	1740 num = 0; \
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	1741 num = num * 10 + c - '0'; \
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	1742 if (p == pend) \
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	1743 break; \
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	1744 PATFETCH (c); \
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	1745 } \
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	1746 } \
515 69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	1747 }
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1748
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1749 #define CHAR_CLASS_MAX_LENGTH 6 /* Namely, `xdigit'. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1750
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1751 #define IS_CHAR_CLASS(string) \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1752 (STREQ (string, "alpha") \|\| STREQ (string, "upper") \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1753 \|\| STREQ (string, "lower") \|\| STREQ (string, "digit") \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1754 \|\| STREQ (string, "alnum") \|\| STREQ (string, "xdigit") \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1755 \|\| STREQ (string, "space") \|\| STREQ (string, "print") \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1756 \|\| STREQ (string, "punct") \|\| STREQ (string, "graph") \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1757 \|\| STREQ (string, "cntrl") \|\| STREQ (string, "blank"))
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1758
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1759 #ifndef MATCH_MAY_ALLOCATE
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1760
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1761 /* If we cannot allocate large objects within re_match_2_internal,
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1762 we make the fail stack and register vectors global.
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1763 The fail stack, we grow to the maximum size when a regexp
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1764 is compiled.
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1765 The register vectors, we adjust in size each time we
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1766 compile a regexp, according to the number of registers it needs. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1767
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1768 static fail_stack_type fail_stack;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1769
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1770 /* Size with which the following vectors are currently allocated.
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1771 That is so we can make them bigger as needed,
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	1772 but never make them smaller. */
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1773 static int regs_allocated_size;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1774
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	1775 static const char regstart, regend;
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1776 static const char old_regstart, old_regend;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1777 static const char best_regstart, best_regend;
515 69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	1778 static register_info_type *reg_info;
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1779 static const char **reg_dummy;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1780 static register_info_type *reg_info_dummy;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1781
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1782 /* Make the register vectors big enough for NUM_REGS registers,
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	1783 but don't make them smaller. */
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1784
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1785 static
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1786 regex_grow_registers (num_regs)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1787 int num_regs;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1788 {
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1789 if (num_regs > regs_allocated_size)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1790 {
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1791 RETALLOC_IF (regstart, num_regs, const char *);
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1792 RETALLOC_IF (regend, num_regs, const char *);
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1793 RETALLOC_IF (old_regstart, num_regs, const char *);
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1794 RETALLOC_IF (old_regend, num_regs, const char *);
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1795 RETALLOC_IF (best_regstart, num_regs, const char *);
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1796 RETALLOC_IF (best_regend, num_regs, const char *);
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1797 RETALLOC_IF (reg_info, num_regs, register_info_type);
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1798 RETALLOC_IF (reg_dummy, num_regs, const char *);
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1799 RETALLOC_IF (reg_info_dummy, num_regs, register_info_type);
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1800
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1801 regs_allocated_size = num_regs;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1802 }
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1803 }
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1804
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1805 #endif /* not MATCH_MAY_ALLOCATE */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1806
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1807 /* `regex_compile' compiles PATTERN (of length SIZE) according to SYNTAX.
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1808 Returns one of error codes defined in `regex.h', or zero for success.
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1809
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1810 Assumes the `allocated' (and perhaps `buffer') and `translate'
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1811 fields are set in BUFP on entry.
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1812
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1813 If it succeeds, results are put in BUFP (if it returns an error, the
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1814 contents of BUFP are undefined):
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1815 `buffer' is the compiled pattern;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1816 `syntax' is set to SYNTAX;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1817 `used' is set to the length of the compiled pattern;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1818 `fastmap_accurate' is zero;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1819 `re_nsub' is the number of subexpressions in PATTERN;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1820 `not_bol' and `not_eol' are zero;
515 69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	1821
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1822 The `fastmap' and `newline_anchor' fields are neither
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1823 examined nor set. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1824
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1825 /* Return, freeing storage we allocated. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1826 #define FREE_STACK_RETURN(value) \
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	1827 do { \
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	1828 FREE_RANGE_TABLE_WORK_AREA (range_table_work); \
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	1829 free (compile_stack.stack); \
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	1830 return value; \
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	1831 } while (0)
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1832
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1833 static reg_errcode_t
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1834 regex_compile (pattern, size, syntax, bufp)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1835 const char *pattern;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1836 int size;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1837 reg_syntax_t syntax;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1838 struct re_pattern_buffer *bufp;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1839 {
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1840 /* We fetch characters from PATTERN here. Even though PATTERN is
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1841 `char *' (i.e., signed), we declare these variables as unsigned, so
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1842 they can be reliably used as array indices. */
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	1843 register unsigned int c, c1;
515 69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	1844
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1845 /* A random temporary spot in PATTERN. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1846 const char *p1;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1847
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1848 /* Points to the end of the buffer, where we should append. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1849 register unsigned char *b;
515 69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	1850
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1851 /* Keeps track of unclosed groups. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1852 compile_stack_type compile_stack;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1853
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1854 /* Points to the current (ending) position in the pattern. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1855 const char *p = pattern;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1856 const char *pend = pattern + size;
515 69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	1857
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1858 /* How to translate the characters in the pattern. */
501 f29b13c2cefd (TRANSLATE, PATFETCH): Cast elt of `translate'. Richard Stallman <rms@gnu.org> parents: 490 diff changeset	1859 RE_TRANSLATE_TYPE translate = bufp->translate;
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1860
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1861 /* Address of the count-byte of the most recently inserted `exactn'
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1862 command. This makes it possible to tell if a new exact-match
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1863 character can be added to that command or if the character requires
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1864 a new `exactn' command. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1865 unsigned char *pending_exact = 0;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1866
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1867 /* Address of start of the most recently finished expression.
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1868 This tells, e.g., postfix * where to find the start of its
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1869 operand. Reset at the beginning of groups and alternatives. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1870 unsigned char *laststart = 0;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1871
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1872 /* Address of beginning of regexp, or inside of last group. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1873 unsigned char *begalt;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1874
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1875 /* Place in the uncompiled pattern (i.e., the {) to
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1876 which to go back if the interval is invalid. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1877 const char *beg_interval;
515 69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	1878
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1879 /* Address of the place where a forward jump should go to the end of
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	1880 the containing expression. Each alternative of an `or' -- except the
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1881 last -- ends with a forward jump of this sort. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1882 unsigned char *fixup_alt_jump = 0;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1883
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1884 /* Counts open-groups as they are encountered. Remembered for the
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1885 matching close-group on the compile stack, so the same register
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1886 number is put in the stop_memory as the start_memory. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1887 regnum_t regnum = 0;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1888
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	1889 /* Work area for range table of charset. */
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	1890 struct range_table_work_area range_table_work;
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	1891
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1892 #ifdef DEBUG
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1893 DEBUG_PRINT1 ("\nCompiling pattern: ");
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1894 if (debug)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1895 {
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1896 unsigned debug_count;
515 69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	1897
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1898 for (debug_count = 0; debug_count < size; debug_count++)
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	1899 putchar (pattern[debug_count]);
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1900 putchar ('\n');
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1901 }
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1902 #endif /* DEBUG */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1903
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1904 /* Initialize the compile stack. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1905 compile_stack.stack = TALLOC (INIT_COMPILE_STACK_SIZE, compile_stack_elt_t);
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1906 if (compile_stack.stack == NULL)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1907 return REG_ESPACE;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1908
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1909 compile_stack.size = INIT_COMPILE_STACK_SIZE;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1910 compile_stack.avail = 0;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1911
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	1912 range_table_work.table = 0;
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	1913 range_table_work.allocated = 0;
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	1914
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1915 /* Initialize the pattern buffer. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1916 bufp->syntax = syntax;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1917 bufp->fastmap_accurate = 0;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1918 bufp->not_bol = bufp->not_eol = 0;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1919
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1920 /* Set `used' to zero, so that if we return an error, the pattern
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1921 printer (for debugging) will think there's no pattern. We reset it
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1922 at the end. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1923 bufp->used = 0;
515 69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	1924
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1925 /* Always count groups, whether or not bufp->no_sub is set. */
515 69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	1926 bufp->re_nsub = 0;
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1927
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	1928 #ifdef emacs
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	1929 /* bufp->multibyte is set before regex_compile is called, so don't alter
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	1930 it. */
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	1931 #else /* not emacs */
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	1932 /* Nothing is recognized as a multibyte character. */
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	1933 bufp->multibyte = 0;
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	1934 #endif
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	1935
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1936 #if !defined (emacs) && !defined (SYNTAX_TABLE)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1937 /* Initialize the syntax table. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1938 init_syntax_once ();
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1939 #endif
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1940
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1941 if (bufp->allocated == 0)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1942 {
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1943 if (bufp->buffer)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1944 { /* If zero allocated, but buffer is non-null, try to realloc
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	1945 enough space. This loses if buffer's address is bogus, but
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	1946 that is the user's responsibility. */
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	1947 RETALLOC (bufp->buffer, INIT_BUF_SIZE, unsigned char);
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	1948 }
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1949 else
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	1950 { /* Caller did not allocate a buffer. Do it for them. */
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	1951 bufp->buffer = TALLOC (INIT_BUF_SIZE, unsigned char);
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	1952 }
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1953 if (!bufp->buffer) FREE_STACK_RETURN (REG_ESPACE);
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1954
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1955 bufp->allocated = INIT_BUF_SIZE;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1956 }
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1957
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1958 begalt = b = bufp->buffer;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1959
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1960 /* Loop through the uncompiled pattern until we're at the end. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1961 while (p != pend)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1962 {
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1963 PATFETCH (c);
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1964
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1965 switch (c)
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	1966 {
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	1967 case '^':
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	1968 {
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	1969 if ( /* If at start of pattern, it's an operator. */
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	1970 p == pattern + 1
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	1971 /* If context independent, it's an operator. */
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	1972 \|\| syntax & RE_CONTEXT_INDEP_ANCHORS
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	1973 /* Otherwise, depends on what's come before. */
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	1974 \|\| at_begline_loc_p (pattern, p, syntax))
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	1975 BUF_PUSH (begline);
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	1976 else
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	1977 goto normal_char;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	1978 }
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	1979 break;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	1980
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	1981
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	1982 case '$':
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	1983 {
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	1984 if ( /* If at end of pattern, it's an operator. */
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	1985 p == pend
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	1986 /* If context independent, it's an operator. */
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	1987 \|\| syntax & RE_CONTEXT_INDEP_ANCHORS
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	1988 /* Otherwise, depends on what's next. */
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	1989 \|\| at_endline_loc_p (p, pend, syntax))
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	1990 BUF_PUSH (endline);
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	1991 else
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	1992 goto normal_char;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	1993 }
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	1994 break;
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1995
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1996
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	1997 case '+':
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	1998 case '?':
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	1999 if ((syntax & RE_BK_PLUS_QM)
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2000 \|\| (syntax & RE_LIMITED_OPS))
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2001 goto normal_char;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2002 handle_plus:
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2003 case '*':
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2004 /* If there is no previous pattern... */
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2005 if (!laststart)
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2006 {
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2007 if (syntax & RE_CONTEXT_INVALID_OPS)
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2008 FREE_STACK_RETURN (REG_BADRPT);
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2009 else if (!(syntax & RE_CONTEXT_INDEP_OPS))
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2010 goto normal_char;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2011 }
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2012
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2013 {
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2014 /* Are we optimizing this jump? */
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2015 boolean keep_string_p = false;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2016
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2017 /* 1 means zero (many) matches is allowed. */
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2018 char zero_times_ok = 0, many_times_ok = 0;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2019
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2020 /* If there is a sequence of repetition chars, collapse it
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2021 down to just one (the right one). We can't combine
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2022 interval operators with these because of, e.g., `a{2}*',
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2023 which should only match an even number of `a's. */
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2024
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2025 for (;;)
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2026 {
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2027 zero_times_ok \|= c != '+';
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2028 many_times_ok \|= c != '?';
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2029
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2030 if (p == pend)
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2031 break;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2032
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2033 PATFETCH (c);
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2034
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2035 if (c == '*'
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2036 \|\| (!(syntax & RE_BK_PLUS_QM) && (c == '+' \|\| c == '?')))
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2037 ;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2038
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2039 else if (syntax & RE_BK_PLUS_QM && c == '\\')
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2040 {
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2041 if (p == pend) FREE_STACK_RETURN (REG_EESCAPE);
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2042
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2043 PATFETCH (c1);
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2044 if (!(c1 == '+' \|\| c1 == '?'))
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2045 {
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2046 PATUNFETCH;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2047 PATUNFETCH;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2048 break;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2049 }
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2050
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2051 c = c1;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2052 }
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2053 else
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2054 {
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2055 PATUNFETCH;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2056 break;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2057 }
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2058
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2059 /* If we get here, we found another repeat character. */
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2060 }
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2061
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2062 /* Star, etc. applied to an empty pattern is equivalent
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2063 to an empty pattern. */
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2064 if (!laststart)
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2065 break;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2066
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2067 /* Now we know whether or not zero matches is allowed
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2068 and also whether or not two or more matches is allowed. */
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2069 if (many_times_ok)
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2070 { /* More than one repetition is allowed, so put in at the
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2071 end a backward relative jump from `b' to before the next
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2072 jump we're going to put in below (which jumps from
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2073 laststart to after this jump).
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2074
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2075 But if we are at the `' in the exact sequence `.\n',
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2076 insert an unconditional jump backwards to the .,
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2077 instead of the beginning of the loop. This way we only
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2078 push a failure point once, instead of every time
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2079 through the loop. */
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2080 assert (p - 1 > pattern);
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2081
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2082 /* Allocate the space for the jump. */
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2083 GET_BUFFER_SPACE (3);
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2084
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2085 /* We know we are not at the first character of the pattern,
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2086 because laststart was nonzero. And we've already
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2087 incremented `p', by the way, to be the character after
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2088 the `*'. Do we have to do something analogous here
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2089 for null bytes, because of RE_DOT_NOT_NULL? */
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2090 if (TRANSLATE (*(p - 2)) == TRANSLATE ('.')
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	2091 && zero_times_ok
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2092 && p < pend && TRANSLATE (*p) == TRANSLATE ('\n')
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2093 && !(syntax & RE_DOT_NEWLINE))
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2094 { /* We have .\n. /
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2095 STORE_JUMP (jump, b, laststart);
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2096 keep_string_p = true;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2097 }
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2098 else
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2099 /* Anything else. */
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2100 STORE_JUMP (maybe_pop_jump, b, laststart - 3);
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2101
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2102 /* We've added more stuff to the buffer. */
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2103 b += 3;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2104 }
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2105
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2106 /* On failure, jump from laststart to b + 3, which will be the
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2107 end of the buffer after this jump is inserted. */
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2108 GET_BUFFER_SPACE (3);
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2109 INSERT_JUMP (keep_string_p ? on_failure_keep_string_jump
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2110 : on_failure_jump,
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2111 laststart, b + 3);
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2112 pending_exact = 0;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2113 b += 3;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2114
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2115 if (!zero_times_ok)
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2116 {
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2117 /* At least one repetition is required, so insert a
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2118 `dummy_failure_jump' before the initial
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2119 `on_failure_jump' instruction of the loop. This
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2120 effects a skip over that instruction the first time
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2121 we hit that loop. */
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2122 GET_BUFFER_SPACE (3);
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2123 INSERT_JUMP (dummy_failure_jump, laststart, laststart + 6);
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2124 b += 3;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2125 }
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2126 }
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	2127 break;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	2128
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	2129
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	2130 case '.':
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2131 laststart = b;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2132 BUF_PUSH (anychar);
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2133 break;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2134
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2135
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2136 case '[':
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2137 {
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	2138 CLEAR_RANGE_TABLE_WORK_USED (range_table_work);
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	2139
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2140 if (p == pend) FREE_STACK_RETURN (REG_EBRACK);
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2141
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2142 /* Ensure that we have enough space to push a charset: the
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2143 opcode, the length count, and the bitset; 34 bytes in all. */
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	2144 GET_BUFFER_SPACE (34);
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	2145
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2146 laststart = b;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2147
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2148 /* We test `*p == '^' twice, instead of using an if
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2149 statement, so we only need one BUF_PUSH. */
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2150 BUF_PUSH (*p == '^' ? charset_not : charset);
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2151 if (*p == '^')
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2152 p++;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2153
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2154 /* Remember the first position in the bracket expression. */
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2155 p1 = p;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2156
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2157 /* Push the number of bytes in the bitmap. */
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2158 BUF_PUSH ((1 << BYTEWIDTH) / BYTEWIDTH);
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2159
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2160 /* Clear the whole map. */
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2161 bzero (b, (1 << BYTEWIDTH) / BYTEWIDTH);
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2162
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2163 /* charset_not matches newline according to a syntax bit. */
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2164 if ((re_opcode_t) b[-2] == charset_not
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2165 && (syntax & RE_HAT_LISTS_NOT_NEWLINE))
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2166 SET_LIST_BIT ('\n');
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2167
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2168 /* Read in characters and ranges, setting map bits. */
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2169 for (;;)
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2170 {
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	2171 int len;
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	2172 boolean escaped_char = false;
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	2173
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2174 if (p == pend) FREE_STACK_RETURN (REG_EBRACK);
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2175
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2176 PATFETCH (c);
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2177
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2178 /* \ might escape characters inside [...] and [^...]. */
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2179 if ((syntax & RE_BACKSLASH_ESCAPE_IN_LISTS) && c == '\\')
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2180 {
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2181 if (p == pend) FREE_STACK_RETURN (REG_EESCAPE);
679 b088267ea1c8 Clean up whitespace. Richard Stallman <rms@gnu.org> parents: 678 diff changeset	2182
b088267ea1c8 Clean up whitespace. Richard Stallman <rms@gnu.org> parents: 678 diff changeset	2183 PATFETCH (c);
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	2184 escaped_char = true;
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2185 }
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	2186 else
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	2187 {
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2188 /* Could be the end of the bracket expression. If it's
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2189 not (i.e., when the bracket expression is `[]' so
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2190 far), the ']' character bit gets set way below. */
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2191 if (c == ']' && p != p1 + 1)
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2192 break;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2193 }
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	2194
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	2195 /* If C indicates start of multibyte char, get the
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	2196 actual character code in C, and set the pattern
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	2197 pointer P to the next character boundary. */
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	2198 if (bufp->multibyte && BASE_LEADING_CODE_P (c))
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	2199 {
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	2200 PATUNFETCH;
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	2201 c = STRING_CHAR_AND_LENGTH (p, pend - p, len);
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	2202 p += len;
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2203 }
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	2204 /* What should we do for the character which is
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	2205 greater than 0x7F, but not BASE_LEADING_CODE_P?
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	2206 XXX */
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	2207
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2208 /* See if we're at the beginning of a possible character
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2209 class. */
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	2210
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	2211 else if (!escaped_char &&
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	2212 syntax & RE_CHAR_CLASSES && c == '[' && *p == ':')
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2213 { /* Leave room for the null. */
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2214 char str[CHAR_CLASS_MAX_LENGTH + 1];
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2215
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2216 PATFETCH (c);
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2217 c1 = 0;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2218
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2219 /* If pattern is `[[:'. */
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2220 if (p == pend) FREE_STACK_RETURN (REG_EBRACK);
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2221
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2222 for (;;)
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2223 {
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2224 PATFETCH (c);
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2225 if (c == ':' \|\| c == ']' \|\| p == pend
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2226 \|\| c1 == CHAR_CLASS_MAX_LENGTH)
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2227 break;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2228 str[c1++] = c;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2229 }
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2230 str[c1] = '\0';
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	2231
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	2232 /* If isn't a word bracketed by `[:' and `:]':
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	2233 undo the ending character, the letters, and
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	2234 leave the leading `:' and `[' (but set bits for
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	2235 them). */
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2236 if (c == ':' && *p == ']')
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2237 {
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2238 int ch;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2239 boolean is_alnum = STREQ (str, "alnum");
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2240 boolean is_alpha = STREQ (str, "alpha");
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2241 boolean is_blank = STREQ (str, "blank");
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2242 boolean is_cntrl = STREQ (str, "cntrl");
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2243 boolean is_digit = STREQ (str, "digit");
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2244 boolean is_graph = STREQ (str, "graph");
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2245 boolean is_lower = STREQ (str, "lower");
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2246 boolean is_print = STREQ (str, "print");
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2247 boolean is_punct = STREQ (str, "punct");
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2248 boolean is_space = STREQ (str, "space");
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2249 boolean is_upper = STREQ (str, "upper");
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2250 boolean is_xdigit = STREQ (str, "xdigit");
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2251
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2252 if (!IS_CHAR_CLASS (str))
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	2253 FREE_STACK_RETURN (REG_ECTYPE);
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	2254
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2255 /* Throw away the ] at the end of the character
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2256 class. */
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2257 PATFETCH (c);
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2258
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2259 if (p == pend) FREE_STACK_RETURN (REG_EBRACK);
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2260
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2261 for (ch = 0; ch < 1 << BYTEWIDTH; ch++)
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2262 {
692 1036844e8833 (regex_compile): Use TRANSLATE before calling SET_LIST_BIT. Richard Stallman <rms@gnu.org> parents: 680 diff changeset	2263 int translated = TRANSLATE (ch);
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	2264 /* This was split into 3 if's to
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	2265 avoid an arbitrary limit in some compiler. */
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2266 if ( (is_alnum && ISALNUM (ch))
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2267 \|\| (is_alpha && ISALPHA (ch))
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2268 \|\| (is_blank && ISBLANK (ch))
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2269 \|\| (is_cntrl && ISCNTRL (ch)))
692 1036844e8833 (regex_compile): Use TRANSLATE before calling SET_LIST_BIT. Richard Stallman <rms@gnu.org> parents: 680 diff changeset	2270 SET_LIST_BIT (translated);
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	2271 if ( (is_digit && ISDIGIT (ch))
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2272 \|\| (is_graph && ISGRAPH (ch))
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2273 \|\| (is_lower && ISLOWER (ch))
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2274 \|\| (is_print && ISPRINT (ch)))
692 1036844e8833 (regex_compile): Use TRANSLATE before calling SET_LIST_BIT. Richard Stallman <rms@gnu.org> parents: 680 diff changeset	2275 SET_LIST_BIT (translated);
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	2276 if ( (is_punct && ISPUNCT (ch))
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2277 \|\| (is_space && ISSPACE (ch))
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2278 \|\| (is_upper && ISUPPER (ch))
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2279 \|\| (is_xdigit && ISXDIGIT (ch)))
692 1036844e8833 (regex_compile): Use TRANSLATE before calling SET_LIST_BIT. Richard Stallman <rms@gnu.org> parents: 680 diff changeset	2280 SET_LIST_BIT (translated);
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2281 }
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	2282
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	2283 /* Repeat the loop. */
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	2284 continue;
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2285 }
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2286 else
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2287 {
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2288 c1++;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2289 while (c1--)
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2290 PATUNFETCH;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2291 SET_LIST_BIT ('[');
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	2292
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	2293 /* Because the `:' may starts the range, we
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	2294 can't simply set bit and repeat the loop.
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2295 Instead, just set it to C and handle below. */
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	2296 c = ':';
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2297 }
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2298 }
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	2299
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	2300 if (p < pend && p[0] == '-' && p[1] != ']')
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	2301 {
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	2302
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	2303 /* Discard the `-'. */
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	2304 PATFETCH (c1);
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	2305
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	2306 /* Fetch the character which ends the range. */
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	2307 PATFETCH (c1);
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	2308 if (bufp->multibyte && BASE_LEADING_CODE_P (c1))
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	2309 {
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	2310 PATUNFETCH;
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	2311 c1 = STRING_CHAR_AND_LENGTH (p, pend - p, len);
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	2312 p += len;
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	2313 }
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	2314
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	2315 if (!SAME_CHARSET_P (c, c1))
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	2316 FREE_STACK_RETURN (REG_ERANGE);
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	2317 }
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2318 else
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	2319 /* Range from C to C. */
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	2320 c1 = c;
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	2321
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	2322 /* Set the range ... */
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	2323 if (SINGLE_BYTE_CHAR_P (c))
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	2324 /* ... into bitmap. */
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2325 {
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	2326 unsigned this_char;
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	2327 int range_start = c, range_end = c1;
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	2328
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	2329 /* If the start is after the end, the range is empty. */
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	2330 if (range_start > range_end)
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	2331 {
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	2332 if (syntax & RE_NO_EMPTY_RANGES)
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	2333 FREE_STACK_RETURN (REG_ERANGE);
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	2334 /* Else, repeat the loop. */
679 b088267ea1c8 Clean up whitespace. Richard Stallman <rms@gnu.org> parents: 678 diff changeset	2335 }
b088267ea1c8 Clean up whitespace. Richard Stallman <rms@gnu.org> parents: 678 diff changeset	2336 else
b088267ea1c8 Clean up whitespace. Richard Stallman <rms@gnu.org> parents: 678 diff changeset	2337 {
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	2338 for (this_char = range_start; this_char <= range_end;
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	2339 this_char++)
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	2340 SET_LIST_BIT (TRANSLATE (this_char));
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2341 }
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2342 }
679 b088267ea1c8 Clean up whitespace. Richard Stallman <rms@gnu.org> parents: 678 diff changeset	2343 else
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	2344 /* ... into range table. */
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	2345 SET_RANGE_TABLE_WORK_AREA (range_table_work, c, c1);
679 b088267ea1c8 Clean up whitespace. Richard Stallman <rms@gnu.org> parents: 678 diff changeset	2346 }
b088267ea1c8 Clean up whitespace. Richard Stallman <rms@gnu.org> parents: 678 diff changeset	2347
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2348 /* Discard any (non)matching list bytes that are all 0 at the
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2349 end of the map. Decrease the map-length byte too. */
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2350 while ((int) b[-1] > 0 && b[b[-1] - 1] == 0)
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2351 b[-1]--;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2352 b += b[-1];
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	2353
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	2354 /* Build real range table from work area. */
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	2355 if (RANGE_TABLE_WORK_USED (range_table_work))
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	2356 {
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	2357 int i;
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	2358 int used = RANGE_TABLE_WORK_USED (range_table_work);
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	2359
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	2360 /* Allocate space for COUNT + RANGE_TABLE. Needs two
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2361 bytes for COUNT and three bytes for each character. */
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	2362 GET_BUFFER_SPACE (2 + used * 3);
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	2363
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	2364 /* Indicate the existence of range table. */
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	2365 laststart[1] \|= 0x80;
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	2366
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	2367 STORE_NUMBER_AND_INCR (b, used / 2);
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	2368 for (i = 0; i < used; i++)
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	2369 STORE_CHARACTER_AND_INCR
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	2370 (b, RANGE_TABLE_WORK_ELT (range_table_work, i));
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	2371 }
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2372 }
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2373 break;
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	2374
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	2375
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	2376 case '(':
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2377 if (syntax & RE_NO_BK_PARENS)
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2378 goto handle_open;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2379 else
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2380 goto normal_char;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2381
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2382
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2383 case ')':
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2384 if (syntax & RE_NO_BK_PARENS)
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2385 goto handle_close;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2386 else
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2387 goto normal_char;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2388
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2389
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2390 case '\n':
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2391 if (syntax & RE_NEWLINE_ALT)
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2392 goto handle_alt;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2393 else
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2394 goto normal_char;
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	2395
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	2396
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	2397 case '\|':
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2398 if (syntax & RE_NO_BK_VBAR)
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2399 goto handle_alt;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2400 else
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2401 goto normal_char;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2402
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2403
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2404 case '{':
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2405 if (syntax & RE_INTERVALS && syntax & RE_NO_BK_BRACES)
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2406 goto handle_interval;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2407 else
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2408 goto normal_char;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2409
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2410
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2411 case '\\':
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2412 if (p == pend) FREE_STACK_RETURN (REG_EESCAPE);
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2413
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2414 /* Do not translate the character after the \, so that we can
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2415 distinguish, e.g., \B from \b, even if we normally would
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2416 translate, e.g., B to b. */
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2417 PATFETCH_RAW (c);
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2418
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2419 switch (c)
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2420 {
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2421 case '(':
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2422 if (syntax & RE_NO_BK_PARENS)
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2423 goto normal_backslash;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2424
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2425 handle_open:
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2426 bufp->re_nsub++;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2427 regnum++;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2428
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2429 if (COMPILE_STACK_FULL)
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2430 {
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2431 RETALLOC (compile_stack.stack, compile_stack.size << 1,
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2432 compile_stack_elt_t);
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2433 if (compile_stack.stack == NULL) return REG_ESPACE;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2434
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2435 compile_stack.size <<= 1;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2436 }
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2437
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2438 /* These are the values to restore when we hit end of this
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2439 group. They are all relative offsets, so that if the
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2440 whole pattern moves because of realloc, they will still
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2441 be valid. */
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2442 COMPILE_STACK_TOP.begalt_offset = begalt - bufp->buffer;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2443 COMPILE_STACK_TOP.fixup_alt_jump
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2444 = fixup_alt_jump ? fixup_alt_jump - bufp->buffer + 1 : 0;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2445 COMPILE_STACK_TOP.laststart_offset = b - bufp->buffer;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2446 COMPILE_STACK_TOP.regnum = regnum;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2447
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2448 /* We will eventually replace the 0 with the number of
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2449 groups inner to this one. But do not push a
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2450 start_memory for groups beyond the last one we can
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2451 represent in the compiled pattern. */
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2452 if (regnum <= MAX_REGNUM)
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2453 {
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2454 COMPILE_STACK_TOP.inner_group_offset = b - bufp->buffer + 2;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2455 BUF_PUSH_3 (start_memory, regnum, 0);
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2456 }
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2457
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2458 compile_stack.avail++;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2459
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2460 fixup_alt_jump = 0;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2461 laststart = 0;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2462 begalt = b;
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	2463 /* If we've reached MAX_REGNUM groups, then this open
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	2464 won't actually generate any code, so we'll have to
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	2465 clear pending_exact explicitly. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	2466 pending_exact = 0;
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2467 break;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2468
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2469
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2470 case ')':
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2471 if (syntax & RE_NO_BK_PARENS) goto normal_backslash;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2472
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2473 if (COMPILE_STACK_EMPTY)
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2474 if (syntax & RE_UNMATCHED_RIGHT_PAREN_ORD)
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2475 goto normal_backslash;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2476 else
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2477 FREE_STACK_RETURN (REG_ERPAREN);
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2478
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2479 handle_close:
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2480 if (fixup_alt_jump)
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2481 { /* Push a dummy failure point at the end of the
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2482 alternative for a possible future
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2483 `pop_failure_jump' to pop. See comments at
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2484 `push_dummy_failure' in `re_match_2'. */
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2485 BUF_PUSH (push_dummy_failure);
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2486
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2487 /* We allocated space for this jump when we assigned
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2488 to `fixup_alt_jump', in the `handle_alt' case below. */
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2489 STORE_JUMP (jump_past_alt, fixup_alt_jump, b - 1);
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2490 }
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2491
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2492 /* See similar code for backslashed left paren above. */
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2493 if (COMPILE_STACK_EMPTY)
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2494 if (syntax & RE_UNMATCHED_RIGHT_PAREN_ORD)
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2495 goto normal_char;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2496 else
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2497 FREE_STACK_RETURN (REG_ERPAREN);
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2498
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2499 /* Since we just checked for an empty stack above, this
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2500 ``can't happen''. */
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2501 assert (compile_stack.avail != 0);
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2502 {
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2503 /* We don't just want to restore into `regnum', because
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2504 later groups should continue to be numbered higher,
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2505 as in `(ab)c(de)' -- the second group is #2. */
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2506 regnum_t this_group_regnum;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2507
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2508 compile_stack.avail--;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2509 begalt = bufp->buffer + COMPILE_STACK_TOP.begalt_offset;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2510 fixup_alt_jump
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2511 = COMPILE_STACK_TOP.fixup_alt_jump
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2512 ? bufp->buffer + COMPILE_STACK_TOP.fixup_alt_jump - 1
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2513 : 0;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2514 laststart = bufp->buffer + COMPILE_STACK_TOP.laststart_offset;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2515 this_group_regnum = COMPILE_STACK_TOP.regnum;
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	2516 /* If we've reached MAX_REGNUM groups, then this open
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	2517 won't actually generate any code, so we'll have to
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	2518 clear pending_exact explicitly. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	2519 pending_exact = 0;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	2520
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2521 /* We're at the end of the group, so now we know how many
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2522 groups were inside this one. */
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2523 if (this_group_regnum <= MAX_REGNUM)
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2524 {
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2525 unsigned char *inner_group_loc
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2526 = bufp->buffer + COMPILE_STACK_TOP.inner_group_offset;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2527
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2528 *inner_group_loc = regnum - this_group_regnum;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2529 BUF_PUSH_3 (stop_memory, this_group_regnum,
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2530 regnum - this_group_regnum);
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2531 }
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2532 }
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2533 break;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2534
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2535
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2536 case '\|': /* `\\|'. */
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2537 if (syntax & RE_LIMITED_OPS \|\| syntax & RE_NO_BK_VBAR)
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2538 goto normal_backslash;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2539 handle_alt:
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2540 if (syntax & RE_LIMITED_OPS)
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2541 goto normal_char;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2542
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2543 /* Insert before the previous alternative a jump which
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2544 jumps to this alternative if the former fails. */
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2545 GET_BUFFER_SPACE (3);
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2546 INSERT_JUMP (on_failure_jump, begalt, b + 6);
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2547 pending_exact = 0;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2548 b += 3;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2549
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2550 /* The alternative before this one has a jump after it
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2551 which gets executed if it gets matched. Adjust that
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2552 jump so it will jump to this alternative's analogous
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2553 jump (put in below, which in turn will jump to the next
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2554 (if any) alternative's such jump, etc.). The last such
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2555 jump jumps to the correct final destination. A picture:
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2556 _____ _____
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2557 \| \| \| \|
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2558 \| v \| v
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2559 a \| b \| c
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2560
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2561 If we are at `b', then fixup_alt_jump right now points to a
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2562 three-byte space after `a'. We'll put in the jump, set
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2563 fixup_alt_jump to right after `b', and leave behind three
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2564 bytes which we'll fill in when we get to after `c'. */
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2565
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2566 if (fixup_alt_jump)
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2567 STORE_JUMP (jump_past_alt, fixup_alt_jump, b);
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2568
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2569 /* Mark and leave space for a jump after this alternative,
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2570 to be filled in later either by next alternative or
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2571 when know we're at the end of a series of alternatives. */
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2572 fixup_alt_jump = b;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2573 GET_BUFFER_SPACE (3);
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2574 b += 3;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2575
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2576 laststart = 0;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2577 begalt = b;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2578 break;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2579
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2580
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2581 case '{':
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2582 /* If \{ is a literal. */
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2583 if (!(syntax & RE_INTERVALS)
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2584 /* If we're at `\{' and it's not the open-interval
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2585 operator. */
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2586 \|\| ((syntax & RE_INTERVALS) && (syntax & RE_NO_BK_BRACES))
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2587 \|\| (p - 2 == pattern && p == pend))
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2588 goto normal_backslash;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2589
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2590 handle_interval:
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2591 {
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2592 /* If got here, then the syntax allows intervals. */
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2593
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2594 /* At least (most) this many matches must be made. */
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2595 int lower_bound = -1, upper_bound = -1;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2596
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2597 beg_interval = p - 1;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2598
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2599 if (p == pend)
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2600 {
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2601 if (syntax & RE_NO_BK_BRACES)
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2602 goto unfetch_interval;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2603 else
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2604 FREE_STACK_RETURN (REG_EBRACE);
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2605 }
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2606
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2607 GET_UNSIGNED_NUMBER (lower_bound);
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2608
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2609 if (c == ',')
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2610 {
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2611 GET_UNSIGNED_NUMBER (upper_bound);
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2612 if (upper_bound < 0) upper_bound = RE_DUP_MAX;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2613 }
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2614 else
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2615 /* Interval such as `{1}' => match exactly once. */
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2616 upper_bound = lower_bound;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2617
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2618 if (lower_bound < 0 \|\| upper_bound > RE_DUP_MAX
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2619 \|\| lower_bound > upper_bound)
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2620 {
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2621 if (syntax & RE_NO_BK_BRACES)
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2622 goto unfetch_interval;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2623 else
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2624 FREE_STACK_RETURN (REG_BADBR);
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2625 }
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2626
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2627 if (!(syntax & RE_NO_BK_BRACES))
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2628 {
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2629 if (c != '\\') FREE_STACK_RETURN (REG_EBRACE);
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2630
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2631 PATFETCH (c);
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2632 }
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2633
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2634 if (c != '}')
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2635 {
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2636 if (syntax & RE_NO_BK_BRACES)
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2637 goto unfetch_interval;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2638 else
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2639 FREE_STACK_RETURN (REG_BADBR);
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2640 }
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2641
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2642 /* We just parsed a valid interval. */
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2643
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2644 /* If it's invalid to have no preceding re. */
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2645 if (!laststart)
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2646 {
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2647 if (syntax & RE_CONTEXT_INVALID_OPS)
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2648 FREE_STACK_RETURN (REG_BADRPT);
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2649 else if (syntax & RE_CONTEXT_INDEP_OPS)
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2650 laststart = b;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2651 else
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2652 goto unfetch_interval;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2653 }
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2654
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2655 /* If the upper bound is zero, don't want to succeed at
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2656 all; jump from `laststart' to `b + 3', which will be
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2657 the end of the buffer after we insert the jump. */
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2658 if (upper_bound == 0)
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2659 {
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2660 GET_BUFFER_SPACE (3);
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2661 INSERT_JUMP (jump, laststart, b + 3);
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2662 b += 3;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2663 }
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2664
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2665 /* Otherwise, we have a nontrivial interval. When
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2666 we're all done, the pattern will look like:
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2667 set_number_at <jump count> <upper bound>
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2668 set_number_at <succeed_n count> <lower bound>
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2669 succeed_n <after jump addr> <succeed_n count>
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2670 <body of loop>
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2671 jump_n <succeed_n addr> <jump count>
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2672 (The upper bound and `jump_n' are omitted if
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2673 `upper_bound' is 1, though.) */
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2674 else
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2675 { /* If the upper bound is > 1, we need to insert
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2676 more at the end of the loop. */
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2677 unsigned nbytes = 10 + (upper_bound > 1) * 10;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2678
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2679 GET_BUFFER_SPACE (nbytes);
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2680
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2681 /* Initialize lower bound of the `succeed_n', even
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2682 though it will be set during matching by its
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2683 attendant `set_number_at' (inserted next),
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2684 because `re_compile_fastmap' needs to know.
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2685 Jump to the `jump_n' we might insert below. */
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2686 INSERT_JUMP2 (succeed_n, laststart,
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2687 b + 5 + (upper_bound > 1) * 5,
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2688 lower_bound);
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2689 b += 5;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2690
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2691 /* Code to initialize the lower bound. Insert
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2692 before the `succeed_n'. The `5' is the last two
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2693 bytes of this `set_number_at', plus 3 bytes of
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2694 the following `succeed_n'. */
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2695 insert_op2 (set_number_at, laststart, 5, lower_bound, b);
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2696 b += 5;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2697
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2698 if (upper_bound > 1)
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2699 { /* More than one repetition is allowed, so
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2700 append a backward jump to the `succeed_n'
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2701 that starts this interval.
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2702
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2703 When we've reached this during matching,
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2704 we'll have matched the interval once, so
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2705 jump back only `upper_bound - 1' times. */
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2706 STORE_JUMP2 (jump_n, b, laststart + 5,
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2707 upper_bound - 1);
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2708 b += 5;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2709
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2710 /* The location we want to set is the second
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2711 parameter of the `jump_n'; that is `b-2' as
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2712 an absolute address. `laststart' will be
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2713 the `set_number_at' we're about to insert;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2714 `laststart+3' the number to set, the source
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2715 for the relative address. But we are
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2716 inserting into the middle of the pattern --
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2717 so everything is getting moved up by 5.
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2718 Conclusion: (b - 2) - (laststart + 3) + 5,
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2719 i.e., b - laststart.
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2720
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2721 We insert this at the beginning of the loop
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2722 so that if we fail during matching, we'll
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2723 reinitialize the bounds. */
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2724 insert_op2 (set_number_at, laststart, b - laststart,
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2725 upper_bound - 1, b);
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2726 b += 5;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2727 }
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2728 }
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2729 pending_exact = 0;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2730 beg_interval = NULL;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2731 }
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2732 break;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2733
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2734 unfetch_interval:
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2735 /* If an invalid interval, match the characters as literals. */
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2736 assert (beg_interval);
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2737 p = beg_interval;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2738 beg_interval = NULL;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2739
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2740 /* normal_char and normal_backslash need `c'. */
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2741 PATFETCH (c);
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2742
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2743 if (!(syntax & RE_NO_BK_BRACES))
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2744 {
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2745 if (p > pattern && p[-1] == '\\')
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2746 goto normal_backslash;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2747 }
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2748 goto normal_char;
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	2749
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	2750 #ifdef emacs
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2751 /* There is no way to specify the before_dot and after_dot
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2752 operators. rms says this is ok. --karl */
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2753 case '=':
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2754 BUF_PUSH (at_dot);
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2755 break;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2756
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2757 case 's':
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2758 laststart = b;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2759 PATFETCH (c);
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2760 BUF_PUSH_2 (syntaxspec, syntax_spec_code[c]);
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2761 break;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2762
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2763 case 'S':
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2764 laststart = b;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2765 PATFETCH (c);
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2766 BUF_PUSH_2 (notsyntaxspec, syntax_spec_code[c]);
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2767 break;
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	2768
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	2769 case 'c':
679 b088267ea1c8 Clean up whitespace. Richard Stallman <rms@gnu.org> parents: 678 diff changeset	2770 laststart = b;
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	2771 PATFETCH_RAW (c);
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	2772 BUF_PUSH_2 (categoryspec, c);
679 b088267ea1c8 Clean up whitespace. Richard Stallman <rms@gnu.org> parents: 678 diff changeset	2773 break;
b088267ea1c8 Clean up whitespace. Richard Stallman <rms@gnu.org> parents: 678 diff changeset	2774
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	2775 case 'C':
679 b088267ea1c8 Clean up whitespace. Richard Stallman <rms@gnu.org> parents: 678 diff changeset	2776 laststart = b;
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	2777 PATFETCH_RAW (c);
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	2778 BUF_PUSH_2 (notcategoryspec, c);
679 b088267ea1c8 Clean up whitespace. Richard Stallman <rms@gnu.org> parents: 678 diff changeset	2779 break;
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	2780 #endif /* emacs */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	2781
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	2782
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2783 case 'w':
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2784 laststart = b;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2785 BUF_PUSH (wordchar);
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2786 break;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2787
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2788
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2789 case 'W':
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2790 laststart = b;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2791 BUF_PUSH (notwordchar);
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2792 break;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2793
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2794
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2795 case '<':
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2796 BUF_PUSH (wordbeg);
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2797 break;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2798
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2799 case '>':
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2800 BUF_PUSH (wordend);
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2801 break;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2802
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2803 case 'b':
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2804 BUF_PUSH (wordbound);
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2805 break;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2806
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2807 case 'B':
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2808 BUF_PUSH (notwordbound);
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2809 break;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2810
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2811 case '`':
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2812 BUF_PUSH (begbuf);
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2813 break;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2814
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2815 case '\'':
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2816 BUF_PUSH (endbuf);
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2817 break;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2818
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2819 case '1': case '2': case '3': case '4': case '5':
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2820 case '6': case '7': case '8': case '9':
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2821 if (syntax & RE_NO_BK_REFS)
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2822 goto normal_char;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2823
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2824 c1 = c - '0';
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2825
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2826 if (c1 > regnum)
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2827 FREE_STACK_RETURN (REG_ESUBREG);
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2828
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2829 /* Can't back reference to a subexpression if inside of it. */
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2830 if (group_in_compile_stack (compile_stack, c1))
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2831 goto normal_char;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2832
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2833 laststart = b;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2834 BUF_PUSH_2 (duplicate, c1);
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2835 break;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2836
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2837
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2838 case '+':
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2839 case '?':
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2840 if (syntax & RE_BK_PLUS_QM)
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2841 goto handle_plus;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2842 else
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2843 goto normal_backslash;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2844
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2845 default:
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2846 normal_backslash:
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2847 /* You might think it would be useful for \ to mean
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2848 not to translate; but if we don't translate it
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2849 it will never match anything. */
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2850 c = TRANSLATE (c);
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2851 goto normal_char;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2852 }
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2853 break;
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	2854
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	2855
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	2856 default:
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2857 /* Expects the character in `c'. */
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	2858 normal_char:
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	2859 p1 = p - 1; /* P1 points the head of C. */
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	2860 #ifdef emacs
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	2861 if (bufp->multibyte)
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	2862 /* Set P to the next character boundary. */
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	2863 p += MULTIBYTE_FORM_LENGTH (p1, pend - p1) - 1;
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	2864 #endif
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	2865 /* If no exactn currently being built. */
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2866 if (!pending_exact
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2867
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2868 /* If last exactn not at current position. */
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2869 \|\| pending_exact + *pending_exact + 1 != b
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2870
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2871 /* We have only one byte following the exactn for the count. */
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	2872 \|\| *pending_exact >= (1 << BYTEWIDTH) - (p - p1)
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	2873
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2874 /* If followed by a repetition operator. */
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2875 \|\| p == '' \|\| *p == '^'
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	2876 \|\| ((syntax & RE_BK_PLUS_QM)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	2877 ? *p == '\\' && (p[1] == '+' \|\| p[1] == '?')
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	2878 : (p == '+' \|\| p == '?'))
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	2879 \|\| ((syntax & RE_INTERVALS)
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2880 && ((syntax & RE_NO_BK_BRACES)
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	2881 ? *p == '{'
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2882 : (p[0] == '\\' && p[1] == '{'))))
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	2883 {
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	2884 /* Start building a new exactn. */
515 69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	2885
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2886 laststart = b;
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	2887
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	2888 BUF_PUSH_2 (exactn, 0);
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	2889 pending_exact = b - 1;
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2890 }
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	2891
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	2892 /* Here, C may translated, therefore C may not equal to P1. /
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	2893 while (1)
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	2894 {
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	2895 BUF_PUSH (c);
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2896 (*pending_exact)++;
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	2897 if (++p1 == p)
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	2898 break;
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	2899
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	2900 /* Rest of multibyte form should be copied literally. */
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	2901 c = (unsigned char )p1;
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	2902 }
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	2903 break;
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2904 } /* switch (c) */
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	2905 } /* while p != pend */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	2906
515 69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	2907
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	2908 /* Through the pattern now. */
515 69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	2909
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	2910 if (fixup_alt_jump)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	2911 STORE_JUMP (jump_past_alt, fixup_alt_jump, b);
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	2912
515 69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	2913 if (!COMPILE_STACK_EMPTY)
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	2914 FREE_STACK_RETURN (REG_EPAREN);
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	2915
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	2916 /* If we don't want backtracking, force success
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	2917 the first time we reach the end of the compiled pattern. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	2918 if (syntax & RE_NO_POSIX_BACKTRACKING)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	2919 BUF_PUSH (succeed);
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	2920
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	2921 free (compile_stack.stack);
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	2922
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	2923 /* We have succeeded; set the length of the buffer. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	2924 bufp->used = b - bufp->buffer;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	2925
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	2926 #ifdef DEBUG
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	2927 if (debug)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	2928 {
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	2929 DEBUG_PRINT1 ("\nCompiled pattern: \n");
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	2930 print_compiled_pattern (bufp);
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	2931 }
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	2932 #endif /* DEBUG */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	2933
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	2934 #ifndef MATCH_MAY_ALLOCATE
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	2935 /* Initialize the failure stack to the largest possible stack. This
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	2936 isn't necessary unless we're trying to avoid calling alloca in
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	2937 the search and match routines. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	2938 {
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	2939 int num_regs = bufp->re_nsub + 1;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	2940
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	2941 /* Since DOUBLE_FAIL_STACK refuses to double only if the current size
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	2942 is strictly greater than re_max_failures, the largest possible stack
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	2943 is 2 * re_max_failures failure points. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	2944 if (fail_stack.size < (2 * re_max_failures * MAX_FAILURE_ITEMS))
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	2945 {
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	2946 fail_stack.size = (2 * re_max_failures * MAX_FAILURE_ITEMS);
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	2947
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	2948 #ifdef emacs
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	2949 if (! fail_stack.stack)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	2950 fail_stack.stack
515 69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	2951 = (fail_stack_elt_t *) xmalloc (fail_stack.size
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	2952 * sizeof (fail_stack_elt_t));
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	2953 else
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	2954 fail_stack.stack
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	2955 = (fail_stack_elt_t *) xrealloc (fail_stack.stack,
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	2956 (fail_stack.size
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	2957 * sizeof (fail_stack_elt_t)));
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	2958 #else /* not emacs */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	2959 if (! fail_stack.stack)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	2960 fail_stack.stack
515 69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	2961 = (fail_stack_elt_t *) malloc (fail_stack.size
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	2962 * sizeof (fail_stack_elt_t));
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	2963 else
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	2964 fail_stack.stack
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	2965 = (fail_stack_elt_t *) realloc (fail_stack.stack,
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	2966 (fail_stack.size
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	2967 * sizeof (fail_stack_elt_t)));
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	2968 #endif /* not emacs */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	2969 }
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	2970
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	2971 regex_grow_registers (num_regs);
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	2972 }
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	2973 #endif /* not MATCH_MAY_ALLOCATE */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	2974
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	2975 return REG_NOERROR;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	2976 } /* regex_compile */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	2977
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	2978 /* Subroutines for `regex_compile'. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	2979
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	2980 /* Store OP at LOC followed by two-byte integer parameter ARG. */
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	2981
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	2982 static void
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	2983 store_op1 (op, loc, arg)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	2984 re_opcode_t op;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	2985 unsigned char *loc;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	2986 int arg;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	2987 {
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	2988 *loc = (unsigned char) op;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	2989 STORE_NUMBER (loc + 1, arg);
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	2990 }
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	2991
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	2992
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	2993 /* Like `store_op1', but for two two-byte parameters ARG1 and ARG2. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	2994
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	2995 static void
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	2996 store_op2 (op, loc, arg1, arg2)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	2997 re_opcode_t op;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	2998 unsigned char *loc;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	2999 int arg1, arg2;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3000 {
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3001 *loc = (unsigned char) op;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3002 STORE_NUMBER (loc + 1, arg1);
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3003 STORE_NUMBER (loc + 3, arg2);
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3004 }
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3005
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3006
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3007 /* Copy the bytes from LOC to END to open up three bytes of space at LOC
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3008 for OP followed by two-byte integer parameter ARG. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3009
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3010 static void
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3011 insert_op1 (op, loc, arg, end)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3012 re_opcode_t op;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3013 unsigned char *loc;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3014 int arg;
515 69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	3015 unsigned char *end;
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3016 {
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3017 register unsigned char *pfrom = end;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3018 register unsigned char *pto = end + 3;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3019
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3020 while (pfrom != loc)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3021 --pto = --pfrom;
515 69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	3022
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3023 store_op1 (op, loc, arg);
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3024 }
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3025
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3026
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3027 /* Like `insert_op1', but for two two-byte parameters ARG1 and ARG2. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3028
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3029 static void
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3030 insert_op2 (op, loc, arg1, arg2, end)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3031 re_opcode_t op;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3032 unsigned char *loc;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3033 int arg1, arg2;
515 69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	3034 unsigned char *end;
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3035 {
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3036 register unsigned char *pfrom = end;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3037 register unsigned char *pto = end + 5;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3038
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3039 while (pfrom != loc)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3040 --pto = --pfrom;
515 69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	3041
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3042 store_op2 (op, loc, arg1, arg2);
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3043 }
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3044
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3045
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3046 /* P points to just after a ^ in PATTERN. Return true if that ^ comes
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3047 after an alternative or a begin-subexpression. We assume there is at
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3048 least one character before the ^. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3049
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3050 static boolean
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3051 at_begline_loc_p (pattern, p, syntax)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3052 const char pattern, p;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3053 reg_syntax_t syntax;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3054 {
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3055 const char *prev = p - 2;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3056 boolean prev_prev_backslash = prev > pattern && prev[-1] == '\\';
515 69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	3057
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3058 return
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3059 /* After a subexpression? */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3060 (*prev == '(' && (syntax & RE_NO_BK_PARENS \|\| prev_prev_backslash))
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	3061 /* After an alternative? */
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3062 \|\| (*prev == '\|' && (syntax & RE_NO_BK_VBAR \|\| prev_prev_backslash));
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3063 }
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3064
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3065
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3066 /* The dual of at_begline_loc_p. This one is for $. We assume there is
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3067 at least one character after the $, i.e., `P < PEND'. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3068
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3069 static boolean
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3070 at_endline_loc_p (p, pend, syntax)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3071 const char p, pend;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3072 int syntax;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3073 {
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3074 const char *next = p;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3075 boolean next_backslash = *next == '\\';
449 c29f67a3f852 (at_endline_loc_p): Use 0, not NULL, in ?: for next_next. Karl Heuer <kwzh@gnu.org> parents: 447 diff changeset	3076 const char *next_next = p + 1 < pend ? p + 1 : 0;
515 69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	3077
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3078 return
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3079 /* Before a subexpression? */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3080 (syntax & RE_NO_BK_PARENS ? *next == ')'
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	3081 : next_backslash && next_next && *next_next == ')')
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3082 /* Before an alternative? */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3083 \|\| (syntax & RE_NO_BK_VBAR ? *next == '\|'
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	3084 : next_backslash && next_next && *next_next == '\|');
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3085 }
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3086
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3087
515 69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	3088 /* Returns true if REGNUM is in one of COMPILE_STACK's elements and
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3089 false if it's not. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3090
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3091 static boolean
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3092 group_in_compile_stack (compile_stack, regnum)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3093 compile_stack_type compile_stack;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3094 regnum_t regnum;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3095 {
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3096 int this_element;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3097
515 69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	3098 for (this_element = compile_stack.avail - 1;
69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	3099 this_element >= 0;
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3100 this_element--)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3101 if (compile_stack.stack[this_element].regnum == regnum)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3102 return true;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3103
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3104 return false;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3105 }
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3106
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3107
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3108 /* Read the ending character of a range (in a bracket expression) from the
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3109 uncompiled pattern *P_PTR (which ends at PEND). We assume the
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3110 starting character is in `P[-2]'. (`P[-1]' is the character `-'.)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3111 Then we set the translation of all bits between the starting and
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3112 ending characters (inclusive) in the compiled pattern B.
515 69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	3113
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3114 Return an error code.
515 69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	3115
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3116 We use these short variable names so we can use the same macros as
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3117 `regex_compile' itself. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3118
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3119 static reg_errcode_t
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3120 compile_range (p_ptr, pend, translate, syntax, b)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3121 const char *p_ptr, pend;
501 f29b13c2cefd (TRANSLATE, PATFETCH): Cast elt of `translate'. Richard Stallman <rms@gnu.org> parents: 490 diff changeset	3122 RE_TRANSLATE_TYPE translate;
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3123 reg_syntax_t syntax;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3124 unsigned char *b;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3125 {
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3126 unsigned this_char;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3127
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3128 const char p = p_ptr;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3129 int range_start, range_end;
515 69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	3130
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3131 if (p == pend)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3132 return REG_ERANGE;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3133
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3134 /* Even though the pattern is a signed `char *', we need to fetch
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3135 with unsigned char *'s; if the high bit of the pattern character
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3136 is set, the range endpoints will be negative if we fetch using a
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3137 signed char *.
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3138
515 69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	3139 We also want to fetch the endpoints without translating them; the
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3140 appropriate translation is done in the bit-setting loop below. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3141 /* The SVR4 compiler on the 3B2 had trouble with unsigned const char . /
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3142 range_start = ((const unsigned char *) p)[-2];
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3143 range_end = ((const unsigned char *) p)[0];
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3144
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3145 /* Have to increment the pointer into the pattern string, so the
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3146 caller isn't still at the ending character. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3147 (*p_ptr)++;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3148
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	3149 /* If the start is after the end, the range is empty. */
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3150 if (range_start > range_end)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3151 return syntax & RE_NO_EMPTY_RANGES ? REG_ERANGE : REG_NOERROR;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3152
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3153 /* Here we see why `this_char' has to be larger than an `unsigned
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3154 char' -- the range is inclusive, so if `range_end' == 0xff
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3155 (assuming 8-bit characters), we would otherwise go into an infinite
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3156 loop, since all characters <= 0xff. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3157 for (this_char = range_start; this_char <= range_end; this_char++)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3158 {
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3159 SET_LIST_BIT (TRANSLATE (this_char));
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3160 }
515 69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	3161
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3162 return REG_NOERROR;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3163 }
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3164
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3165 /* re_compile_fastmap computes a ``fastmap'' for the compiled pattern in
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3166 BUFP. A fastmap records which of the (1 << BYTEWIDTH) possible
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3167 characters can start a string that matches the pattern. This fastmap
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3168 is used by re_search to skip quickly over impossible starting points.
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3169
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3170 The caller must supply the address of a (1 << BYTEWIDTH)-byte data
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3171 area as BUFP->fastmap.
515 69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	3172
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3173 We set the `fastmap', `fastmap_accurate', and `can_be_null' fields in
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3174 the pattern buffer.
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3175
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3176 Returns 0 if we succeed, -2 if an internal error. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3177
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3178 int
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3179 re_compile_fastmap (bufp)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3180 struct re_pattern_buffer *bufp;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3181 {
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3182 int i, j, k;
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3183 #ifdef MATCH_MAY_ALLOCATE
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3184 fail_stack_type fail_stack;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3185 #endif
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3186 #ifndef REGEX_MALLOC
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3187 char *destination;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3188 #endif
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3189 /* We don't push any register information onto the failure stack. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3190 unsigned num_regs = 0;
515 69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	3191
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3192 register char *fastmap = bufp->fastmap;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3193 unsigned char *pattern = bufp->buffer;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3194 unsigned long size = bufp->used;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3195 unsigned char *p = pattern;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3196 register unsigned char *pend = pattern + size;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3197
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3198 /* This holds the pointer to the failure stack, when
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3199 it is allocated relocatably. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3200 fail_stack_elt_t *failure_stack_ptr;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3201
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3202 /* Assume that each path through the pattern can be null until
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	3203 proven otherwise. We set this false at the bottom of switch
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3204 statement, to which we get only if a particular path doesn't
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3205 match the empty string. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3206 boolean path_can_be_null = true;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3207
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3208 /* We aren't doing a `succeed_n' to begin with. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3209 boolean succeed_n_p = false;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3210
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3211 /* If all elements for base leading-codes in fastmap is set, this
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	3212 flag is set true. */
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3213 boolean match_any_multibyte_characters = false;
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3214
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3215 /* Maximum code of simple (single byte) character. */
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3216 int simple_char_max;
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3217
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3218 assert (fastmap != NULL && p != NULL);
515 69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	3219
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3220 INIT_FAIL_STACK ();
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	3221 bzero (fastmap, 1 << BYTEWIDTH); /* Assume nothing's valid. */
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3222 bufp->fastmap_accurate = 1; /* It will be when we're done. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3223 bufp->can_be_null = 0;
515 69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	3224
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3225 while (1)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3226 {
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3227 if (p == pend \|\| *p == succeed)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3228 {
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3229 /* We have reached the (effective) end of pattern. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3230 if (!FAIL_STACK_EMPTY ())
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3231 {
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3232 bufp->can_be_null \|= path_can_be_null;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3233
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3234 /* Reset for next path. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3235 path_can_be_null = true;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3236
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3237 p = fail_stack.stack[--fail_stack.avail].pointer;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3238
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3239 continue;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3240 }
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3241 else
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3242 break;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3243 }
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3244
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	3245 /* We should never be about to go beyond the end of the pattern. */
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3246 assert (p < pend);
515 69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	3247
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3248 switch (SWITCH_ENUM_CAST ((re_opcode_t) *p++))
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3249 {
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3250
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	3251 /* I guess the idea here is to simply not bother with a fastmap
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	3252 if a backreference is used, since it's too hard to figure out
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	3253 the fastmap for the corresponding group. Setting
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	3254 `can_be_null' stops `re_search_2' from using the fastmap, so
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	3255 that is all we do. */
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3256 case duplicate:
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3257 bufp->can_be_null = 1;
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	3258 goto done;
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3259
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3260
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3261 /* Following are the cases which match a character. These end
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	3262 with `break'. */
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3263
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3264 case exactn:
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	3265 fastmap[p[1]] = 1;
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3266 break;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3267
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3268
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3269 #ifndef emacs
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	3270 case charset:
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	3271 for (j = p++ BYTEWIDTH - 1; j >= 0; j--)
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3272 if (p[j / BYTEWIDTH] & (1 << (j % BYTEWIDTH)))
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	3273 fastmap[j] = 1;
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3274 break;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3275
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3276
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3277 case charset_not:
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3278 /* Chars beyond end of map must be allowed. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3279 for (j = p BYTEWIDTH; j < (1 << BYTEWIDTH); j++)
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	3280 fastmap[j] = 1;
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3281
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3282 for (j = p++ BYTEWIDTH - 1; j >= 0; j--)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3283 if (!(p[j / BYTEWIDTH] & (1 << (j % BYTEWIDTH))))
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	3284 fastmap[j] = 1;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	3285 break;
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3286
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3287
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3288 case wordchar:
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3289 for (j = 0; j < (1 << BYTEWIDTH); j++)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3290 if (SYNTAX (j) == Sword)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3291 fastmap[j] = 1;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3292 break;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3293
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3294
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3295 case notwordchar:
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3296 for (j = 0; j < (1 << BYTEWIDTH); j++)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3297 if (SYNTAX (j) != Sword)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3298 fastmap[j] = 1;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3299 break;
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3300 #else /* emacs */
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3301 case charset:
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3302 for (j = CHARSET_BITMAP_SIZE (&p[-1]) * BYTEWIDTH - 1, p++;
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3303 j >= 0; j--)
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3304 if (p[j / BYTEWIDTH] & (1 << (j % BYTEWIDTH)))
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3305 fastmap[j] = 1;
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3306
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3307 if (CHARSET_RANGE_TABLE_EXISTS_P (&p[-2])
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3308 && match_any_multibyte_characters == false)
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3309 {
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3310 /* Set fastmap[I] 1 where I is a base leading code of each
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3311 multibyte character in the range table. */
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3312 int c, count;
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3313
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3314 /* Make P points the range table. */
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3315 p += CHARSET_BITMAP_SIZE (&p[-2]);
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3316
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3317 /* Extract the number of ranges in range table into
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	3318 COUNT. */
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3319 EXTRACT_NUMBER_AND_INCR (count, p);
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3320 for (; count > 0; count--, p += 2 * 3) /* XXX */
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3321 {
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3322 /* Extract the start of each range. */
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3323 EXTRACT_CHARACTER (c, p);
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3324 j = CHAR_CHARSET (c);
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3325 fastmap[CHARSET_LEADING_CODE_BASE (j)] = 1;
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3326 }
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3327 }
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3328 break;
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3329
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3330
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3331 case charset_not:
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3332 /* Chars beyond end of map must be allowed. End of map is
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3333 `127' if bufp->multibyte is nonzero. */
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3334 simple_char_max = bufp->multibyte ? 0x80 : (1 << BYTEWIDTH);
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3335 for (j = CHARSET_BITMAP_SIZE (&p[-1]) * BYTEWIDTH;
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3336 j < simple_char_max; j++)
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3337 fastmap[j] = 1;
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3338
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3339 for (j = CHARSET_BITMAP_SIZE (&p[-1]) * BYTEWIDTH - 1, p++;
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3340 j >= 0; j--)
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3341 if (!(p[j / BYTEWIDTH] & (1 << (j % BYTEWIDTH))))
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3342 fastmap[j] = 1;
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3343
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3344 if (bufp->multibyte)
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3345 /* Any character set can possibly contain a character
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3346 which doesn't match the specified set of characters. */
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3347 {
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3348 set_fastmap_for_multibyte_characters:
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3349 if (match_any_multibyte_characters == false)
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3350 {
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3351 for (j = 0x80; j < 0xA0; j++) /* XXX */
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3352 if (BASE_LEADING_CODE_P (j))
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3353 fastmap[j] = 1;
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3354 match_any_multibyte_characters = true;
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3355 }
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3356 }
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3357 break;
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3358
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3359
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3360 case wordchar:
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3361 simple_char_max = bufp->multibyte ? 0x80 : (1 << BYTEWIDTH);
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3362 for (j = 0; j < simple_char_max; j++)
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3363 if (SYNTAX (j) == Sword)
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3364 fastmap[j] = 1;
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3365
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3366 if (bufp->multibyte)
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3367 /* Any character set can possibly contain a character
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	3368 whose syntax is `Sword'. */
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3369 goto set_fastmap_for_multibyte_characters;
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3370 break;
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3371
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3372
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3373 case notwordchar:
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3374 simple_char_max = bufp->multibyte ? 0x80 : (1 << BYTEWIDTH);
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3375 for (j = 0; j < simple_char_max; j++)
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3376 if (SYNTAX (j) != Sword)
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3377 fastmap[j] = 1;
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3378
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3379 if (bufp->multibyte)
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3380 /* Any character set can possibly contain a character
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3381 whose syntax is not `Sword'. */
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3382 goto set_fastmap_for_multibyte_characters;
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3383 break;
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3384 #endif
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3385
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	3386 case anychar:
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3387 {
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3388 int fastmap_newline = fastmap['\n'];
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3389
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3390 /* `.' matches anything (but if bufp->multibyte is
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3391 nonzero, matches `\000' .. `\127' and possible multibyte
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3392 character) ... */
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3393 if (bufp->multibyte)
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3394 {
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3395 simple_char_max = 0x80;
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3396
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3397 for (j = 0x80; j < 0xA0; j++)
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3398 if (BASE_LEADING_CODE_P (j))
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3399 fastmap[j] = 1;
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3400 match_any_multibyte_characters = true;
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3401 }
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3402 else
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3403 simple_char_max = (1 << BYTEWIDTH);
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3404
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3405 for (j = 0; j < simple_char_max; j++)
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3406 fastmap[j] = 1;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3407
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3408 /* ... except perhaps newline. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3409 if (!(bufp->syntax & RE_DOT_NEWLINE))
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3410 fastmap['\n'] = fastmap_newline;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3411
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3412 /* Return if we have already set `can_be_null'; if we have,
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	3413 then the fastmap is irrelevant. Something's wrong here. */
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3414 else if (bufp->can_be_null)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3415 goto done;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3416
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3417 /* Otherwise, have to check alternative paths. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3418 break;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3419 }
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3420
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3421 #ifdef emacs
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3422 case wordbound:
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3423 case notwordbound:
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3424 case wordbeg:
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3425 case wordend:
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3426 case notsyntaxspec:
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	3427 case syntaxspec:
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3428 /* This match depends on text properties. These end with
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3429 aborting optimizations. */
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3430 bufp->can_be_null = 1;
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	3431 goto done;
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3432 #if 0
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3433 k = *p++;
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3434 simple_char_max = bufp->multibyte ? 0x80 : (1 << BYTEWIDTH);
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3435 for (j = 0; j < simple_char_max; j++)
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3436 if (SYNTAX (j) == (enum syntaxcode) k)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3437 fastmap[j] = 1;
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3438
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3439 if (bufp->multibyte)
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3440 /* Any character set can possibly contain a character
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3441 whose syntax is K. */
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3442 goto set_fastmap_for_multibyte_characters;
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3443 break;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3444
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3445 case notsyntaxspec:
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3446 k = *p++;
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3447 simple_char_max = bufp->multibyte ? 0x80 : (1 << BYTEWIDTH);
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3448 for (j = 0; j < simple_char_max; j++)
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3449 if (SYNTAX (j) != (enum syntaxcode) k)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3450 fastmap[j] = 1;
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3451
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3452 if (bufp->multibyte)
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3453 /* Any character set can possibly contain a character
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3454 whose syntax is not K. */
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3455 goto set_fastmap_for_multibyte_characters;
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3456 break;
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3457 #endif
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3458
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3459
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3460 case categoryspec:
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3461 k = *p++;
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3462 simple_char_max = bufp->multibyte ? 0x80 : (1 << BYTEWIDTH);
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3463 for (j = 0; j < simple_char_max; j++)
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3464 if (CHAR_HAS_CATEGORY (j, k))
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3465 fastmap[j] = 1;
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3466
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3467 if (bufp->multibyte)
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3468 /* Any character set can possibly contain a character
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3469 whose category is K. */
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3470 goto set_fastmap_for_multibyte_characters;
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3471 break;
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3472
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3473
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3474 case notcategoryspec:
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3475 k = *p++;
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3476 simple_char_max = bufp->multibyte ? 0x80 : (1 << BYTEWIDTH);
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3477 for (j = 0; j < simple_char_max; j++)
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3478 if (!CHAR_HAS_CATEGORY (j, k))
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3479 fastmap[j] = 1;
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3480
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3481 if (bufp->multibyte)
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3482 /* Any character set can possibly contain a character
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	3483 whose category is not K. */
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3484 goto set_fastmap_for_multibyte_characters;
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3485 break;
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3486
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3487 /* All cases after this match the empty string. These end with
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	3488 `continue'. */
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3489
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3490
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3491 case before_dot:
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3492 case at_dot:
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3493 case after_dot:
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	3494 continue;
481 35afc74165b7 (re_search_2): If pattern starts with \=, optimize search. Richard Stallman <rms@gnu.org> parents: 480 diff changeset	3495 #endif /* emacs */
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3496
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3497
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	3498 case no_op:
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	3499 case begline:
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	3500 case endline:
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3501 case begbuf:
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3502 case endbuf:
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3503 #ifndef emacs
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3504 case wordbound:
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3505 case notwordbound:
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3506 case wordbeg:
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3507 case wordend:
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	3508 #endif
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	3509 case push_dummy_failure:
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	3510 continue;
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3511
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3512
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3513 case jump_n:
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	3514 case pop_failure_jump:
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3515 case maybe_pop_jump:
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3516 case jump:
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	3517 case jump_past_alt:
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3518 case dummy_failure_jump:
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	3519 EXTRACT_NUMBER_AND_INCR (j, p);
515 69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	3520 p += j;
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3521 if (j > 0)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3522 continue;
515 69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	3523
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	3524 /* Jump backward implies we just went through the body of a
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	3525 loop and matched nothing. Opcode jumped to should be
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	3526 `on_failure_jump' or `succeed_n'. Just treat it like an
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	3527 ordinary jump. For a * loop, it has pushed its failure
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	3528 point already; if so, discard that as redundant. */
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	3529 if ((re_opcode_t) *p != on_failure_jump
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3530 && (re_opcode_t) *p != succeed_n)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3531 continue;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3532
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	3533 p++;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	3534 EXTRACT_NUMBER_AND_INCR (j, p);
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	3535 p += j;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	3536
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	3537 /* If what's on the stack is where we are now, pop it. */
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	3538 if (!FAIL_STACK_EMPTY ()
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3539 && fail_stack.stack[fail_stack.avail - 1].pointer == p)
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	3540 fail_stack.avail--;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	3541
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	3542 continue;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	3543
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	3544
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	3545 case on_failure_jump:
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	3546 case on_failure_keep_string_jump:
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3547 handle_on_failure_jump:
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	3548 EXTRACT_NUMBER_AND_INCR (j, p);
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	3549
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	3550 /* For some patterns, e.g., `(a?)?', `p+j' here points to the
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	3551 end of the pattern. We don't want to push such a point,
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	3552 since when we restore it above, entering the switch will
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	3553 increment `p' past the end of the pattern. We don't need
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	3554 to push such a point since we obviously won't find any more
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	3555 fastmap entries beyond `pend'. Such a pattern can match
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	3556 the null string, though. */
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	3557 if (p + j < pend)
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	3558 {
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	3559 if (!PUSH_PATTERN_OP (p + j, fail_stack))
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3560 {
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3561 RESET_FAIL_STACK ();
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3562 return -2;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3563 }
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3564 }
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	3565 else
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	3566 bufp->can_be_null = 1;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	3567
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	3568 if (succeed_n_p)
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	3569 {
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	3570 EXTRACT_NUMBER_AND_INCR (k, p); /* Skip the n. */
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	3571 succeed_n_p = false;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	3572 }
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	3573
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	3574 continue;
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3575
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3576
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3577 case succeed_n:
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	3578 /* Get to the number of times to succeed. */
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	3579 p += 2;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	3580
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	3581 /* Increment p past the n for when k != 0. */
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	3582 EXTRACT_NUMBER_AND_INCR (k, p);
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	3583 if (k == 0)
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3584 {
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	3585 p -= 4;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	3586 succeed_n_p = true; /* Spaghetti code alert. */
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	3587 goto handle_on_failure_jump;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	3588 }
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	3589 continue;
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3590
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3591
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3592 case set_number_at:
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	3593 p += 4;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	3594 continue;
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3595
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3596
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3597 case start_memory:
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	3598 case stop_memory:
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3599 p += 2;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3600 continue;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3601
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3602
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3603 default:
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	3604 abort (); /* We have listed all the cases. */
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	3605 } /* switch p++ /
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3606
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3607 /* Getting here means we have found the possible starting
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	3608 characters for one path of the pattern -- and that the empty
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	3609 string does not match. We need not follow this path further.
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	3610 Instead, look at the next alternative (remembered on the
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	3611 stack), or quit if no more. The test at the top of the loop
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	3612 does these things. */
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3613 path_can_be_null = false;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3614 p = pend;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3615 } /* while p */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3616
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3617 /* Set `can_be_null' for the last path (also the first path, if the
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	3618 pattern is empty). */
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3619 bufp->can_be_null \|= path_can_be_null;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3620
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3621 done:
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3622 RESET_FAIL_STACK ();
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3623 return 0;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3624 } /* re_compile_fastmap */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3625
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3626 /* Set REGS to hold NUM_REGS registers, storing them in STARTS and
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3627 ENDS. Subsequent matches using PATTERN_BUFFER and REGS will use
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3628 this memory for recording register information. STARTS and ENDS
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3629 must be allocated using the malloc library routine, and must each
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3630 be at least NUM_REGS * sizeof (regoff_t) bytes long.
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3631
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3632 If NUM_REGS == 0, then subsequent matches should allocate their own
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3633 register data.
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3634
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3635 Unless this function is called, the first search or match using
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3636 PATTERN_BUFFER will allocate its own register data, without
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3637 freeing the old data. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3638
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3639 void
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3640 re_set_registers (bufp, regs, num_regs, starts, ends)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3641 struct re_pattern_buffer *bufp;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3642 struct re_registers *regs;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3643 unsigned num_regs;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3644 regoff_t starts, ends;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3645 {
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3646 if (num_regs)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3647 {
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3648 bufp->regs_allocated = REGS_REALLOCATE;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3649 regs->num_regs = num_regs;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3650 regs->start = starts;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3651 regs->end = ends;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3652 }
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3653 else
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3654 {
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3655 bufp->regs_allocated = REGS_UNALLOCATED;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3656 regs->num_regs = 0;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3657 regs->start = regs->end = (regoff_t *) 0;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3658 }
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3659 }
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3660
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	3661 /* Searching routines. */
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3662
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3663 /* Like re_search_2, below, but only one string is specified, and
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3664 doesn't let you say where to stop matching. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3665
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3666 int
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3667 re_search (bufp, string, size, startpos, range, regs)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3668 struct re_pattern_buffer *bufp;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3669 const char *string;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3670 int size, startpos, range;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3671 struct re_registers *regs;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3672 {
515 69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	3673 return re_search_2 (bufp, NULL, 0, string, size, startpos, range,
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3674 regs, size);
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3675 }
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3676
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3677 /* End address of virtual concatenation of string. */
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3678 #define STOP_ADDR_VSTRING(P) \
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3679 (((P) >= size1 ? string2 + size2 : string1 + size1))
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3680
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3681 /* Address of POS in the concatenation of virtual string. */
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3682 #define POS_ADDR_VSTRING(POS) \
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3683 (((POS) >= size1 ? string2 - size1 : string1) + (POS))
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3684
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3685 /* Using the compiled pattern in BUFP->buffer, first tries to match the
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3686 virtual concatenation of STRING1 and STRING2, starting first at index
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3687 STARTPOS, then at STARTPOS + 1, and so on.
515 69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	3688
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3689 STRING1 and STRING2 have length SIZE1 and SIZE2, respectively.
515 69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	3690
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3691 RANGE is how far to scan while trying to match. RANGE = 0 means try
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3692 only at STARTPOS; in general, the last start tried is STARTPOS +
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3693 RANGE.
515 69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	3694
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3695 In REGS, return the indices of the virtual concatenation of STRING1
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3696 and STRING2 that matched the entire BUFP->buffer and its contained
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3697 subexpressions.
515 69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	3698
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3699 Do not consider matching one past the index STOP in the virtual
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3700 concatenation of STRING1 and STRING2.
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3701
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3702 We return either the position in the strings at which the match was
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3703 found, -1 if no match, or -2 if error (such as failure
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3704 stack overflow). */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3705
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3706 int
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3707 re_search_2 (bufp, string1, size1, string2, size2, startpos, range, regs, stop)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3708 struct re_pattern_buffer *bufp;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3709 const char string1, string2;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3710 int size1, size2;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3711 int startpos;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3712 int range;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3713 struct re_registers *regs;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3714 int stop;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3715 {
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3716 int val;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3717 register char *fastmap = bufp->fastmap;
501 f29b13c2cefd (TRANSLATE, PATFETCH): Cast elt of `translate'. Richard Stallman <rms@gnu.org> parents: 490 diff changeset	3718 register RE_TRANSLATE_TYPE translate = bufp->translate;
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3719 int total_size = size1 + size2;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3720 int endpos = startpos + range;
678 bd677f8ba924 (re_search_2): Optimize regexp that starts with ^. Richard Stallman <rms@gnu.org> parents: 677 diff changeset	3721 int anchored_start = 0;
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3722
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	3723 /* Nonzero if we have to concern multibyte character. */
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3724 int multibyte = bufp->multibyte;
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3725
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3726 /* Check for out-of-range STARTPOS. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3727 if (startpos < 0 \|\| startpos > total_size)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3728 return -1;
515 69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	3729
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3730 /* Fix up RANGE if it might eventually take us outside
490 985fe9826996 (re_search_2): Use 0, not -1, as the lower bound Richard Stallman <rms@gnu.org> parents: 481 diff changeset	3731 the virtual concatenation of STRING1 and STRING2.
515 69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	3732 Make sure we won't move STARTPOS below 0 or above TOTAL_SIZE. */
490 985fe9826996 (re_search_2): Use 0, not -1, as the lower bound Richard Stallman <rms@gnu.org> parents: 481 diff changeset	3733 if (endpos < 0)
985fe9826996 (re_search_2): Use 0, not -1, as the lower bound Richard Stallman <rms@gnu.org> parents: 481 diff changeset	3734 range = 0 - startpos;
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3735 else if (endpos > total_size)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3736 range = total_size - startpos;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3737
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3738 /* If the search isn't to be a backwards one, don't waste time in a
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3739 search for a pattern that must be anchored. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3740 if (bufp->used > 0 && (re_opcode_t) bufp->buffer[0] == begbuf && range > 0)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3741 {
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3742 if (startpos > 0)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3743 return -1;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3744 else
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3745 range = 1;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3746 }
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3747
481 35afc74165b7 (re_search_2): If pattern starts with \=, optimize search. Richard Stallman <rms@gnu.org> parents: 480 diff changeset	3748 #ifdef emacs
35afc74165b7 (re_search_2): If pattern starts with \=, optimize search. Richard Stallman <rms@gnu.org> parents: 480 diff changeset	3749 /* In a forward search for something that starts with \=.
35afc74165b7 (re_search_2): If pattern starts with \=, optimize search. Richard Stallman <rms@gnu.org> parents: 480 diff changeset	3750 don't keep searching past point. */
35afc74165b7 (re_search_2): If pattern starts with \=, optimize search. Richard Stallman <rms@gnu.org> parents: 480 diff changeset	3751 if (bufp->used > 0 && (re_opcode_t) bufp->buffer[0] == at_dot && range > 0)
35afc74165b7 (re_search_2): If pattern starts with \=, optimize search. Richard Stallman <rms@gnu.org> parents: 480 diff changeset	3752 {
35afc74165b7 (re_search_2): If pattern starts with \=, optimize search. Richard Stallman <rms@gnu.org> parents: 480 diff changeset	3753 range = PT - startpos;
35afc74165b7 (re_search_2): If pattern starts with \=, optimize search. Richard Stallman <rms@gnu.org> parents: 480 diff changeset	3754 if (range <= 0)
35afc74165b7 (re_search_2): If pattern starts with \=, optimize search. Richard Stallman <rms@gnu.org> parents: 480 diff changeset	3755 return -1;
35afc74165b7 (re_search_2): If pattern starts with \=, optimize search. Richard Stallman <rms@gnu.org> parents: 480 diff changeset	3756 }
35afc74165b7 (re_search_2): If pattern starts with \=, optimize search. Richard Stallman <rms@gnu.org> parents: 480 diff changeset	3757 #endif /* emacs */
35afc74165b7 (re_search_2): If pattern starts with \=, optimize search. Richard Stallman <rms@gnu.org> parents: 480 diff changeset	3758
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3759 /* Update the fastmap now if not correct already. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3760 if (fastmap && !bufp->fastmap_accurate)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3761 if (re_compile_fastmap (bufp) == -2)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3762 return -2;
515 69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	3763
678 bd677f8ba924 (re_search_2): Optimize regexp that starts with ^. Richard Stallman <rms@gnu.org> parents: 677 diff changeset	3764 /* See whether the pattern is anchored. */
bd677f8ba924 (re_search_2): Optimize regexp that starts with ^. Richard Stallman <rms@gnu.org> parents: 677 diff changeset	3765 if (bufp->buffer[0] == begline)
bd677f8ba924 (re_search_2): Optimize regexp that starts with ^. Richard Stallman <rms@gnu.org> parents: 677 diff changeset	3766 anchored_start = 1;
bd677f8ba924 (re_search_2): Optimize regexp that starts with ^. Richard Stallman <rms@gnu.org> parents: 677 diff changeset	3767
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3768 #ifdef emacs
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3769 SETUP_SYNTAX_TABLE_FOR_OBJECT (re_match_object,
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	3770 POS_AS_IN_BUFFER (startpos > 0
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3771 ? startpos - 1 : startpos),
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3772 1);
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3773 #endif
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3774
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3775 /* Loop through the string, looking for a place to start matching. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3776 for (;;)
515 69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	3777 {
678 bd677f8ba924 (re_search_2): Optimize regexp that starts with ^. Richard Stallman <rms@gnu.org> parents: 677 diff changeset	3778 /* If the pattern is anchored,
bd677f8ba924 (re_search_2): Optimize regexp that starts with ^. Richard Stallman <rms@gnu.org> parents: 677 diff changeset	3779 skip quickly past places we cannot match.
bd677f8ba924 (re_search_2): Optimize regexp that starts with ^. Richard Stallman <rms@gnu.org> parents: 677 diff changeset	3780 We don't bother to treat startpos == 0 specially
bd677f8ba924 (re_search_2): Optimize regexp that starts with ^. Richard Stallman <rms@gnu.org> parents: 677 diff changeset	3781 because that case doesn't repeat. */
bd677f8ba924 (re_search_2): Optimize regexp that starts with ^. Richard Stallman <rms@gnu.org> parents: 677 diff changeset	3782 if (anchored_start && startpos > 0)
bd677f8ba924 (re_search_2): Optimize regexp that starts with ^. Richard Stallman <rms@gnu.org> parents: 677 diff changeset	3783 {
bd677f8ba924 (re_search_2): Optimize regexp that starts with ^. Richard Stallman <rms@gnu.org> parents: 677 diff changeset	3784 if (! (bufp->newline_anchor
bd677f8ba924 (re_search_2): Optimize regexp that starts with ^. Richard Stallman <rms@gnu.org> parents: 677 diff changeset	3785 && ((startpos <= size1 ? string1[startpos - 1]
bd677f8ba924 (re_search_2): Optimize regexp that starts with ^. Richard Stallman <rms@gnu.org> parents: 677 diff changeset	3786 : string2[startpos - size1 - 1])
bd677f8ba924 (re_search_2): Optimize regexp that starts with ^. Richard Stallman <rms@gnu.org> parents: 677 diff changeset	3787 == '\n')))
bd677f8ba924 (re_search_2): Optimize regexp that starts with ^. Richard Stallman <rms@gnu.org> parents: 677 diff changeset	3788 goto advance;
bd677f8ba924 (re_search_2): Optimize regexp that starts with ^. Richard Stallman <rms@gnu.org> parents: 677 diff changeset	3789 }
bd677f8ba924 (re_search_2): Optimize regexp that starts with ^. Richard Stallman <rms@gnu.org> parents: 677 diff changeset	3790
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3791 /* If a fastmap is supplied, skip quickly over characters that
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	3792 cannot be the start of a match. If the pattern can match the
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	3793 null string, however, we don't need to skip characters; we want
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	3794 the first null string. */
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3795 if (fastmap && startpos < total_size && !bufp->can_be_null)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3796 {
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	3797 if (range > 0) /* Searching forwards. */
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3798 {
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3799 register const char *d;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3800 register int lim = 0;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3801 int irange = range;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3802
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	3803 if (startpos < size1 && startpos + range >= size1)
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	3804 lim = range - (size1 - startpos);
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3805
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3806 d = POS_ADDR_VSTRING (startpos);
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3807
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	3808 /* Written out as an if-else to avoid testing `translate'
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	3809 inside the loop. */
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3810 if (translate)
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	3811 while (range > lim
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	3812 && !fastmap[(unsigned char)
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3813 translate[(unsigned char) *d++]])
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	3814 range--;
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3815 else
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	3816 while (range > lim && !fastmap[(unsigned char) *d++])
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	3817 range--;
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3818
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3819 startpos += irange - range;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3820 }
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	3821 else /* Searching backwards. */
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3822 {
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3823 register char c = (size1 == 0 \|\| startpos >= size1
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	3824 ? string2[startpos - size1]
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	3825 : string1[startpos]);
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3826
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3827 if (!fastmap[(unsigned char) TRANSLATE (c)])
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3828 goto advance;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3829 }
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3830 }
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3831
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3832 /* If can't match the null string, and that's all we have left, fail. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3833 if (range >= 0 && startpos == total_size && fastmap
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	3834 && !bufp->can_be_null)
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3835 return -1;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3836
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3837 val = re_match_2_internal (bufp, string1, size1, string2, size2,
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3838 startpos, regs, stop);
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3839 #ifndef REGEX_MALLOC
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3840 #ifdef C_ALLOCA
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3841 alloca (0);
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3842 #endif
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3843 #endif
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3844
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3845 if (val >= 0)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3846 return startpos;
515 69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	3847
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3848 if (val == -2)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3849 return -2;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3850
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3851 advance:
515 69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	3852 if (!range)
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	3853 break;
515 69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	3854 else if (range > 0)
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	3855 {
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3856 /* Update STARTPOS to the next character boundary. */
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3857 if (multibyte)
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3858 {
961 6959c7741ed2 (re_search_2): Cast result of POS_ADDR_VSTRING. Richard Stallman <rms@gnu.org> parents: 942 diff changeset	3859 const unsigned char *p
6959c7741ed2 (re_search_2): Cast result of POS_ADDR_VSTRING. Richard Stallman <rms@gnu.org> parents: 942 diff changeset	3860 = (const unsigned char *) POS_ADDR_VSTRING (startpos);
6959c7741ed2 (re_search_2): Cast result of POS_ADDR_VSTRING. Richard Stallman <rms@gnu.org> parents: 942 diff changeset	3861 const unsigned char *pend
6959c7741ed2 (re_search_2): Cast result of POS_ADDR_VSTRING. Richard Stallman <rms@gnu.org> parents: 942 diff changeset	3862 = (const unsigned char *) STOP_ADDR_VSTRING (startpos);
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3863 int len = MULTIBYTE_FORM_LENGTH (p, pend - p);
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3864
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3865 range -= len;
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3866 if (range < 0)
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3867 break;
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3868 startpos += len;
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3869 }
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3870 else
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3871 {
961 6959c7741ed2 (re_search_2): Cast result of POS_ADDR_VSTRING. Richard Stallman <rms@gnu.org> parents: 942 diff changeset	3872 range--;
6959c7741ed2 (re_search_2): Cast result of POS_ADDR_VSTRING. Richard Stallman <rms@gnu.org> parents: 942 diff changeset	3873 startpos++;
6959c7741ed2 (re_search_2): Cast result of POS_ADDR_VSTRING. Richard Stallman <rms@gnu.org> parents: 942 diff changeset	3874 }
679 b088267ea1c8 Clean up whitespace. Richard Stallman <rms@gnu.org> parents: 678 diff changeset	3875 }
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3876 else
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	3877 {
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	3878 range++;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	3879 startpos--;
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3880
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3881 /* Update STARTPOS to the previous character boundary. */
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3882 if (multibyte)
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3883 {
961 6959c7741ed2 (re_search_2): Cast result of POS_ADDR_VSTRING. Richard Stallman <rms@gnu.org> parents: 942 diff changeset	3884 const unsigned char *p
6959c7741ed2 (re_search_2): Cast result of POS_ADDR_VSTRING. Richard Stallman <rms@gnu.org> parents: 942 diff changeset	3885 = (const unsigned char *) POS_ADDR_VSTRING (startpos);
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3886 int len = 0;
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3887
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3888 /* Find the head of multibyte form. */
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3889 while (!CHAR_HEAD_P (p))
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3890 p--, len++;
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3891
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3892 /* Adjust it. */
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3893 #if 0 /* XXX */
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3894 if (MULTIBYTE_FORM_LENGTH (p, len + 1) != (len + 1))
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3895 ;
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3896 else
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3897 #endif
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3898 {
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3899 range += len;
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3900 if (range > 0)
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3901 break;
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3902
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3903 startpos -= len;
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3904 }
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3905 }
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	3906 }
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3907 }
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3908 return -1;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3909 } /* re_search_2 */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3910
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3911 /* Declarations and macros for re_match_2. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3912
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3913 static int bcmp_translate ();
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3914 static boolean alt_match_null_string_p (),
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	3915 common_op_match_null_string_p (),
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	3916 group_match_null_string_p ();
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3917
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3918 /* This converts PTR, a pointer into one of the search strings `string1'
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3919 and `string2' into an offset from the beginning of that string. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3920 #define POINTER_TO_OFFSET(ptr) \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3921 (FIRST_STRING_P (ptr) \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3922 ? ((regoff_t) ((ptr) - string1)) \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3923 : ((regoff_t) ((ptr) - string2 + size1)))
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3924
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3925 /* Macros for dealing with the split strings in re_match_2. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3926
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3927 #define MATCHING_IN_FIRST_STRING (dend == end_match_1)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3928
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3929 /* Call before fetching a character with *d. This switches over to
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3930 string2 if necessary. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3931 #define PREFETCH() \
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	3932 while (d == dend) \
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3933 { \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3934 /* End of string2 => fail. */ \
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	3935 if (dend == end_match_2) \
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	3936 goto fail; \
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	3937 /* End of string1 => advance to string2. */ \
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	3938 d = string2; \
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3939 dend = end_match_2; \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3940 }
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3941
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3942
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3943 /* Test if at very beginning or at very end of the virtual concatenation
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	3944 of `string1' and `string2'. If only one string, it's `string2'. */
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3945 #define AT_STRINGS_BEG(d) ((d) == (size1 ? string1 : string2) \|\| !size2)
515 69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	3946 #define AT_STRINGS_END(d) ((d) == end2)
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3947
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3948
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3949 /* Test if D points to a character which is word-constituent. We have
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3950 two special cases to check for: if past the end of string1, look at
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3951 the first character in string2; and if before the beginning of
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3952 string2, look at the last character in string1. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3953 #define WORDCHAR_P(d) \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3954 (SYNTAX ((d) == end1 ? *string2 \
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	3955 : (d) == string2 - 1 ? (end1 - 1) : (d)) \
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3956 == Sword)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3957
521 7089c3a3a164 (AT_WORD_BOUNDARY): Disable macro. Karl Heuer <kwzh@gnu.org> parents: 515 diff changeset	3958 /* Disabled due to a compiler bug -- see comment at case wordbound */
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3959
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3960 /* The comment at case wordbound is following one, but we don't use
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3961 AT_WORD_BOUNDARY anymore to support multibyte form.
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3962
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3963 The DEC Alpha C compiler 3.x generates incorrect code for the
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	3964 test WORDCHAR_P (d - 1) != WORDCHAR_P (d) in the expansion of
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	3965 AT_WORD_BOUNDARY, so this code is disabled. Expanding the
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3966 macro and introducing temporary variables works around the bug. */
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	3967
521 7089c3a3a164 (AT_WORD_BOUNDARY): Disable macro. Karl Heuer <kwzh@gnu.org> parents: 515 diff changeset	3968 #if 0
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3969 /* Test if the character before D and the one at D differ with respect
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3970 to being word-constituent. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3971 #define AT_WORD_BOUNDARY(d) \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3972 (AT_STRINGS_BEG (d) \|\| AT_STRINGS_END (d) \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3973 \|\| WORDCHAR_P (d - 1) != WORDCHAR_P (d))
521 7089c3a3a164 (AT_WORD_BOUNDARY): Disable macro. Karl Heuer <kwzh@gnu.org> parents: 515 diff changeset	3974 #endif
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3975
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3976 /* Free everything we malloc. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3977 #ifdef MATCH_MAY_ALLOCATE
942 c6196b52ec1d Fix previous change. Richard Stallman <rms@gnu.org> parents: 941 diff changeset	3978 #define FREE_VAR(var) if (var) { REGEX_FREE (var); var = NULL; } else
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3979 #define FREE_VARIABLES() \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3980 do { \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3981 REGEX_FREE_STACK (fail_stack.stack); \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3982 FREE_VAR (regstart); \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3983 FREE_VAR (regend); \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3984 FREE_VAR (old_regstart); \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3985 FREE_VAR (old_regend); \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3986 FREE_VAR (best_regstart); \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3987 FREE_VAR (best_regend); \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3988 FREE_VAR (reg_info); \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3989 FREE_VAR (reg_dummy); \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3990 FREE_VAR (reg_info_dummy); \
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3991 } while (0)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3992 #else
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3993 #define FREE_VARIABLES() ((void)0) /* Do nothing! But inhibit gcc warning. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3994 #endif /* not MATCH_MAY_ALLOCATE */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3995
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	3996 /* These values must meet several constraints. They must not be valid
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3997 register values; since we have a limit of 255 registers (because
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	3998 we use only one byte in the pattern for the register number), we can
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	3999 use numbers larger than 255. They must differ by 1, because of
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4000 NUM_FAILURE_ITEMS above. And the value for the lowest register must
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4001 be larger than the value for the highest register, so we do not try
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4002 to actually save any registers when none are active. */
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4003 #define NO_HIGHEST_ACTIVE_REG (1 << BYTEWIDTH)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4004 #define NO_LOWEST_ACTIVE_REG (NO_HIGHEST_ACTIVE_REG + 1)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4005
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4006 /* Matching routines. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4007
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4008 #ifndef emacs /* Emacs never uses this. */
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4009 /* re_match is like re_match_2 except it takes only a single string. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4010
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4011 int
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4012 re_match (bufp, string, size, pos, regs)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4013 struct re_pattern_buffer *bufp;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4014 const char *string;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4015 int size, pos;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4016 struct re_registers *regs;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4017 {
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4018 int result = re_match_2_internal (bufp, NULL, 0, string, size,
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4019 pos, regs, size);
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4020 alloca (0);
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4021 return result;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4022 }
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4023 #endif /* not emacs */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4024
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	4025 #ifdef emacs
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	4026 /* In Emacs, this is the string or buffer in which we
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4027 are matching. It is used for looking up syntax properties. */
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	4028 Lisp_Object re_match_object;
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	4029 #endif
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4030
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4031 /* re_match_2 matches the compiled pattern in BUFP against the
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4032 the (virtual) concatenation of STRING1 and STRING2 (of length SIZE1
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4033 and SIZE2, respectively). We start matching at POS, and stop
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4034 matching at STOP.
515 69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	4035
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4036 If REGS is non-null and the `no_sub' field of BUFP is nonzero, we
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4037 store offsets for the substring each group matched in REGS. See the
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4038 documentation for exactly how many groups we fill.
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4039
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4040 We return -1 if no match, -2 if an internal error (such as the
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4041 failure stack overflowing). Otherwise, we return the length of the
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4042 matched substring. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4043
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4044 int
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4045 re_match_2 (bufp, string1, size1, string2, size2, pos, regs, stop)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4046 struct re_pattern_buffer *bufp;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4047 const char string1, string2;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4048 int size1, size2;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4049 int pos;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4050 struct re_registers *regs;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4051 int stop;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4052 {
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	4053 int result;
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4054
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	4055 #ifdef emacs
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4056 SETUP_SYNTAX_TABLE_FOR_OBJECT (re_match_object,
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4057 POS_AS_IN_BUFFER (pos > 0 ? pos - 1 : pos),
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	4058 1);
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	4059 #endif
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	4060
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	4061 result = re_match_2_internal (bufp, string1, size1, string2, size2,
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4062 pos, regs, stop);
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4063 alloca (0);
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4064 return result;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4065 }
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4066
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4067 /* This is a separate function so that we can force an alloca cleanup
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4068 afterwards. */
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4069 static int
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4070 re_match_2_internal (bufp, string1, size1, string2, size2, pos, regs, stop)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4071 struct re_pattern_buffer *bufp;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4072 const char string1, string2;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4073 int size1, size2;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4074 int pos;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4075 struct re_registers *regs;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4076 int stop;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4077 {
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4078 /* General temporaries. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4079 int mcnt;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4080 unsigned char *p1;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4081
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4082 /* Just past the end of the corresponding string. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4083 const char end1, end2;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4084
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4085 /* Pointers into string1 and string2, just past the last characters in
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4086 each to consider matching. */
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4087 const char end_match_1, end_match_2;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4088
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4089 /* Where we are in the data, and the end of the current string. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4090 const char d, dend;
515 69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	4091
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4092 /* Where we are in the pattern, and the end of the pattern. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4093 unsigned char *p = bufp->buffer;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4094 register unsigned char *pend = p + bufp->used;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4095
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4096 /* Mark the opcode just after a start_memory, so we can test for an
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4097 empty subpattern when we get to the stop_memory. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4098 unsigned char *just_past_start_mem = 0;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4099
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4100 /* We use this to map every character in the string. */
501 f29b13c2cefd (TRANSLATE, PATFETCH): Cast elt of `translate'. Richard Stallman <rms@gnu.org> parents: 490 diff changeset	4101 RE_TRANSLATE_TYPE translate = bufp->translate;
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4102
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4103 /* Nonzero if we have to concern multibyte character. */
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	4104 int multibyte = bufp->multibyte;
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	4105
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4106 /* Failure point stack. Each place that can handle a failure further
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4107 down the line pushes a failure point on this stack. It consists of
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4108 restart, regend, and reg_info for all registers corresponding to
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4109 the subexpressions we're currently inside, plus the number of such
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4110 registers, and, finally, two char 's. The first char is where
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4111 to resume scanning the pattern; the second one is where to resume
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4112 scanning the strings. If the latter is zero, the failure point is
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4113 a ``dummy''; if a failure happens and the failure point is a dummy,
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4114 it gets discarded and the next next one is tried. */
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4115 #ifdef MATCH_MAY_ALLOCATE /* otherwise, this is global. */
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4116 fail_stack_type fail_stack;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4117 #endif
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4118 #ifdef DEBUG
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4119 static unsigned failure_id = 0;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4120 unsigned nfailure_points_pushed = 0, nfailure_points_popped = 0;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4121 #endif
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4122
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4123 /* This holds the pointer to the failure stack, when
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4124 it is allocated relocatably. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4125 fail_stack_elt_t *failure_stack_ptr;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4126
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4127 /* We fill all the registers internally, independent of what we
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4128 return, for use in backreferences. The number here includes
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4129 an element for register zero. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4130 unsigned num_regs = bufp->re_nsub + 1;
515 69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	4131
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4132 /* The currently active registers. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4133 unsigned lowest_active_reg = NO_LOWEST_ACTIVE_REG;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4134 unsigned highest_active_reg = NO_HIGHEST_ACTIVE_REG;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4135
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4136 /* Information on the contents of registers. These are pointers into
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4137 the input strings; they record just what was matched (on this
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4138 attempt) by a subexpression part of the pattern, that is, the
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4139 regnum-th regstart pointer points to where in the pattern we began
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4140 matching and the regnum-th regend points to right after where we
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4141 stopped matching the regnum-th subexpression. (The zeroth register
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4142 keeps track of what the whole pattern matches.) */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4143 #ifdef MATCH_MAY_ALLOCATE /* otherwise, these are global. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4144 const char regstart, regend;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4145 #endif
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4146
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4147 /* If a group that's operated upon by a repetition operator fails to
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4148 match anything, then the register for its start will need to be
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4149 restored because it will have been set to wherever in the string we
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4150 are when we last see its open-group operator. Similarly for a
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4151 register's end. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4152 #ifdef MATCH_MAY_ALLOCATE /* otherwise, these are global. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4153 const char old_regstart, old_regend;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4154 #endif
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4155
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4156 /* The is_active field of reg_info helps us keep track of which (possibly
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4157 nested) subexpressions we are currently in. The matched_something
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4158 field of reg_info[reg_num] helps us tell whether or not we have
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4159 matched any of the pattern so far this time through the reg_num-th
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4160 subexpression. These two fields get reset each time through any
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4161 loop their register is in. */
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4162 #ifdef MATCH_MAY_ALLOCATE /* otherwise, this is global. */
515 69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	4163 register_info_type *reg_info;
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4164 #endif
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4165
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4166 /* The following record the register info as found in the above
515 69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	4167 variables when we find a match better than any we've seen before.
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4168 This happens as we backtrack through the failure points, which in
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4169 turn happens only if we have not yet matched the entire string. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4170 unsigned best_regs_set = false;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4171 #ifdef MATCH_MAY_ALLOCATE /* otherwise, these are global. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4172 const char best_regstart, best_regend;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4173 #endif
515 69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	4174
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4175 /* Logically, this is `best_regend[0]'. But we don't want to have to
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4176 allocate space for that if we're not allocating space for anything
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4177 else (see below). Also, we never need info about register 0 for
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4178 any of the other register vectors, and it seems rather a kludge to
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4179 treat `best_regend' differently than the rest. So we keep track of
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4180 the end of the best match so far in a separate variable. We
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4181 initialize this to NULL so that when we backtrack the first time
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4182 and need to test it, it's not garbage. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4183 const char *match_end = NULL;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4184
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4185 /* This helps SET_REGS_MATCHED avoid doing redundant work. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4186 int set_regs_matched_done = 0;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4187
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4188 /* Used when we pop values we don't care about. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4189 #ifdef MATCH_MAY_ALLOCATE /* otherwise, these are global. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4190 const char **reg_dummy;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4191 register_info_type *reg_info_dummy;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4192 #endif
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4193
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4194 #ifdef DEBUG
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4195 /* Counts the total number of registers pushed. */
515 69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	4196 unsigned num_regs_pushed = 0;
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4197 #endif
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4198
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4199 DEBUG_PRINT1 ("\n\nEntering re_match_2.\n");
515 69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	4200
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4201 INIT_FAIL_STACK ();
515 69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	4202
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4203 #ifdef MATCH_MAY_ALLOCATE
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4204 /* Do not bother to initialize all the register variables if there are
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4205 no groups in the pattern, as it takes a fair amount of time. If
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4206 there are groups, we include space for register 0 (the whole
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4207 pattern), even though we never use it, since it simplifies the
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4208 array indexing. We should fix this. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4209 if (bufp->re_nsub)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4210 {
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4211 regstart = REGEX_TALLOC (num_regs, const char *);
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4212 regend = REGEX_TALLOC (num_regs, const char *);
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4213 old_regstart = REGEX_TALLOC (num_regs, const char *);
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4214 old_regend = REGEX_TALLOC (num_regs, const char *);
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4215 best_regstart = REGEX_TALLOC (num_regs, const char *);
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4216 best_regend = REGEX_TALLOC (num_regs, const char *);
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4217 reg_info = REGEX_TALLOC (num_regs, register_info_type);
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4218 reg_dummy = REGEX_TALLOC (num_regs, const char *);
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4219 reg_info_dummy = REGEX_TALLOC (num_regs, register_info_type);
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4220
515 69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	4221 if (!(regstart && regend && old_regstart && old_regend && reg_info
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4222 && best_regstart && best_regend && reg_dummy && reg_info_dummy))
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4223 {
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4224 FREE_VARIABLES ();
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4225 return -2;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4226 }
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4227 }
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4228 else
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4229 {
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4230 /* We must initialize all our variables to NULL, so that
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4231 `FREE_VARIABLES' doesn't try to free them. */
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4232 regstart = regend = old_regstart = old_regend = best_regstart
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4233 = best_regend = reg_dummy = NULL;
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4234 reg_info = reg_info_dummy = (register_info_type *) NULL;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4235 }
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4236 #endif /* MATCH_MAY_ALLOCATE */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4237
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4238 /* The starting position is bogus. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4239 if (pos < 0 \|\| pos > size1 + size2)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4240 {
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4241 FREE_VARIABLES ();
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4242 return -1;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4243 }
515 69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	4244
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4245 /* Initialize subexpression text positions to -1 to mark ones that no
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4246 start_memory/stop_memory has been seen for. Also initialize the
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4247 register information struct. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4248 for (mcnt = 1; mcnt < num_regs; mcnt++)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4249 {
515 69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	4250 regstart[mcnt] = regend[mcnt]
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4251 = old_regstart[mcnt] = old_regend[mcnt] = REG_UNSET_VALUE;
515 69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	4252
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4253 REG_MATCH_NULL_STRING_P (reg_info[mcnt]) = MATCH_NULL_UNSET_VALUE;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4254 IS_ACTIVE (reg_info[mcnt]) = 0;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4255 MATCHED_SOMETHING (reg_info[mcnt]) = 0;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4256 EVER_MATCHED_SOMETHING (reg_info[mcnt]) = 0;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4257 }
515 69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	4258
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4259 /* We move `string1' into `string2' if the latter's empty -- but not if
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4260 `string1' is null. */
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4261 if (size2 == 0 && string1 != NULL)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4262 {
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4263 string2 = string1;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4264 size2 = size1;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4265 string1 = 0;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4266 size1 = 0;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4267 }
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4268 end1 = string1 + size1;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4269 end2 = string2 + size2;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4270
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4271 /* Compute where to stop matching, within the two strings. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4272 if (stop <= size1)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4273 {
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4274 end_match_1 = string1 + stop;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4275 end_match_2 = string2;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4276 }
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4277 else
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4278 {
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4279 end_match_1 = end1;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4280 end_match_2 = string2 + stop - size1;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4281 }
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4282
515 69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	4283 /* `p' scans through the pattern as `d' scans through the data.
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4284 `dend' is the end of the input string that `d' points within. `d'
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4285 is advanced into the following input string whenever necessary, but
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4286 this happens before fetching; therefore, at the beginning of the
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4287 loop, `d' can be pointing at the end of a string, but it cannot
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4288 equal `string2'. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4289 if (size1 > 0 && pos <= size1)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4290 {
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4291 d = string1 + pos;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4292 dend = end_match_1;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4293 }
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4294 else
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4295 {
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4296 d = string2 + pos - size1;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4297 dend = end_match_2;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4298 }
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4299
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4300 DEBUG_PRINT1 ("The compiled pattern is: ");
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4301 DEBUG_PRINT_COMPILED_PATTERN (bufp, p, pend);
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4302 DEBUG_PRINT1 ("The string to match is: `");
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4303 DEBUG_PRINT_DOUBLE_STRING (d, string1, size1, string2, size2);
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4304 DEBUG_PRINT1 ("'\n");
515 69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	4305
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4306 /* This loops over pattern commands. It exits by returning from the
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4307 function if the match is complete, or it drops through if the match
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4308 fails at this starting point in the input data. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4309 for (;;)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4310 {
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4311 DEBUG_PRINT2 ("\n0x%x: ", p);
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4312
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4313 if (p == pend)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4314 { /* End of pattern means we might have succeeded. */
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4315 DEBUG_PRINT1 ("end of pattern ... ");
515 69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	4316
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4317 /* If we haven't matched the entire string, and we want the
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4318 longest match, try backtracking. */
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4319 if (d != end_match_2)
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4320 {
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4321 /* 1 if this match ends in the same string (string1 or string2)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4322 as the best previous match. */
515 69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	4323 boolean same_str_p = (FIRST_STRING_P (match_end)
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4324 == MATCHING_IN_FIRST_STRING);
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4325 /* 1 if this match is the best seen so far. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4326 boolean best_match_p;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4327
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4328 /* AIX compiler got confused when this was combined
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4329 with the previous declaration. */
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4330 if (same_str_p)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4331 best_match_p = d > match_end;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4332 else
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4333 best_match_p = !MATCHING_IN_FIRST_STRING;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4334
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4335 DEBUG_PRINT1 ("backtracking.\n");
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4336
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4337 if (!FAIL_STACK_EMPTY ())
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4338 { /* More failure points to try. */
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4339
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4340 /* If exceeds best match so far, save it. */
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4341 if (!best_regs_set \|\| best_match_p)
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4342 {
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4343 best_regs_set = true;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4344 match_end = d;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4345
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4346 DEBUG_PRINT1 ("\nSAVING match as best so far.\n");
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4347
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4348 for (mcnt = 1; mcnt < num_regs; mcnt++)
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4349 {
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4350 best_regstart[mcnt] = regstart[mcnt];
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4351 best_regend[mcnt] = regend[mcnt];
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4352 }
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4353 }
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4354 goto fail;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4355 }
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4356
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4357 /* If no failure points, don't restore garbage. And if
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4358 last match is real best match, don't restore second
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4359 best one. */
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4360 else if (best_regs_set && !best_match_p)
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4361 {
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4362 restore_best_regs:
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4363 /* Restore best match. It may happen that `dend ==
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4364 end_match_1' while the restored d is in string2.
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4365 For example, the pattern `x.y.z' against the
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4366 strings `x-' and `y-z-', if the two strings are
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4367 not consecutive in memory. */
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4368 DEBUG_PRINT1 ("Restoring best registers.\n");
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4369
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4370 d = match_end;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4371 dend = ((d >= string1 && d <= end1)
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4372 ? end_match_1 : end_match_2);
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4373
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4374 for (mcnt = 1; mcnt < num_regs; mcnt++)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4375 {
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4376 regstart[mcnt] = best_regstart[mcnt];
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4377 regend[mcnt] = best_regend[mcnt];
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4378 }
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4379 }
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4380 } /* d != end_match_2 */
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4381
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4382 succeed_label:
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4383 DEBUG_PRINT1 ("Accepting match.\n");
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4384
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4385 /* If caller wants register contents data back, do it. */
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4386 if (regs && !bufp->no_sub)
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4387 {
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4388 /* Have the register data arrays been allocated? */
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4389 if (bufp->regs_allocated == REGS_UNALLOCATED)
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4390 { /* No. So allocate them with malloc. We need one
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4391 extra element beyond `num_regs' for the `-1' marker
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4392 GNU code uses. */
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4393 regs->num_regs = MAX (RE_NREGS, num_regs + 1);
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4394 regs->start = TALLOC (regs->num_regs, regoff_t);
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4395 regs->end = TALLOC (regs->num_regs, regoff_t);
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4396 if (regs->start == NULL \|\| regs->end == NULL)
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4397 {
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4398 FREE_VARIABLES ();
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4399 return -2;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4400 }
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4401 bufp->regs_allocated = REGS_REALLOCATE;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4402 }
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4403 else if (bufp->regs_allocated == REGS_REALLOCATE)
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4404 { /* Yes. If we need more elements than were already
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4405 allocated, reallocate them. If we need fewer, just
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4406 leave it alone. */
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4407 if (regs->num_regs < num_regs + 1)
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4408 {
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4409 regs->num_regs = num_regs + 1;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4410 RETALLOC (regs->start, regs->num_regs, regoff_t);
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4411 RETALLOC (regs->end, regs->num_regs, regoff_t);
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4412 if (regs->start == NULL \|\| regs->end == NULL)
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4413 {
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4414 FREE_VARIABLES ();
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4415 return -2;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4416 }
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4417 }
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4418 }
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4419 else
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4420 {
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4421 /* These braces fend off a "empty body in an else-statement"
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4422 warning under GCC when assert expands to nothing. */
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4423 assert (bufp->regs_allocated == REGS_FIXED);
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4424 }
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4425
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4426 /* Convert the pointer data in `regstart' and `regend' to
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4427 indices. Register zero has to be set differently,
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4428 since we haven't kept track of any info for it. */
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4429 if (regs->num_regs > 0)
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4430 {
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4431 regs->start[0] = pos;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4432 regs->end[0] = (MATCHING_IN_FIRST_STRING
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4433 ? ((regoff_t) (d - string1))
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4434 : ((regoff_t) (d - string2 + size1)));
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4435 }
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4436
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4437 /* Go through the first `min (num_regs, regs->num_regs)'
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4438 registers, since that is all we initialized. */
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4439 for (mcnt = 1; mcnt < MIN (num_regs, regs->num_regs); mcnt++)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4440 {
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4441 if (REG_UNSET (regstart[mcnt]) \|\| REG_UNSET (regend[mcnt]))
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4442 regs->start[mcnt] = regs->end[mcnt] = -1;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4443 else
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4444 {
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4445 regs->start[mcnt]
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4446 = (regoff_t) POINTER_TO_OFFSET (regstart[mcnt]);
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4447 regs->end[mcnt]
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4448 = (regoff_t) POINTER_TO_OFFSET (regend[mcnt]);
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4449 }
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4450 }
515 69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	4451
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4452 /* If the regs structure we return has more elements than
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4453 were in the pattern, set the extra elements to -1. If
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4454 we (re)allocated the registers, this is the case,
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4455 because we always allocate enough to have at least one
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4456 -1 at the end. */
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4457 for (mcnt = num_regs; mcnt < regs->num_regs; mcnt++)
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4458 regs->start[mcnt] = regs->end[mcnt] = -1;
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4459 } /* regs && !bufp->no_sub */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4460
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4461 DEBUG_PRINT4 ("%u failure points pushed, %u popped (%u remain).\n",
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4462 nfailure_points_pushed, nfailure_points_popped,
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4463 nfailure_points_pushed - nfailure_points_popped);
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4464 DEBUG_PRINT2 ("%u registers pushed.\n", num_regs_pushed);
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4465
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4466 mcnt = d - pos - (MATCHING_IN_FIRST_STRING
515 69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	4467 ? string1
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4468 : string2 - size1);
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4469
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4470 DEBUG_PRINT2 ("Returning %d from re_match_2.\n", mcnt);
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4471
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4472 FREE_VARIABLES ();
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4473 return mcnt;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4474 }
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4475
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4476 /* Otherwise match next pattern command. */
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4477 switch (SWITCH_ENUM_CAST ((re_opcode_t) *p++))
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4478 {
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4479 /* Ignore these. Used to ignore the n of succeed_n's which
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4480 currently have n == 0. */
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4481 case no_op:
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4482 DEBUG_PRINT1 ("EXECUTING no_op.\n");
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4483 break;
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4484
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4485 case succeed:
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4486 DEBUG_PRINT1 ("EXECUTING succeed.\n");
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4487 goto succeed_label;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4488
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4489 /* Match the next n pattern characters exactly. The following
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4490 byte in the pattern defines n, and the n bytes after that
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4491 are the characters to match. */
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4492 case exactn:
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4493 mcnt = *p++;
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4494 DEBUG_PRINT2 ("EXECUTING exactn %d.\n", mcnt);
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4495
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4496 /* This is written out as an if-else so we don't waste time
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4497 testing `translate' inside the loop. */
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4498 if (translate)
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4499 {
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4500 do
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4501 {
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4502 PREFETCH ();
501 f29b13c2cefd (TRANSLATE, PATFETCH): Cast elt of `translate'. Richard Stallman <rms@gnu.org> parents: 490 diff changeset	4503 if ((unsigned char) translate[(unsigned char) *d++]
f29b13c2cefd (TRANSLATE, PATFETCH): Cast elt of `translate'. Richard Stallman <rms@gnu.org> parents: 490 diff changeset	4504 != (unsigned char) *p++)
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4505 goto fail;
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4506 }
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4507 while (--mcnt);
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4508 }
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4509 else
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4510 {
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4511 do
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4512 {
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4513 PREFETCH ();
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4514 if (d++ != (char) p++) goto fail;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4515 }
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4516 while (--mcnt);
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4517 }
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4518 SET_REGS_MATCHED ();
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4519 break;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4520
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4521
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4522 /* Match any character except possibly a newline or a null. */
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4523 case anychar:
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4524 DEBUG_PRINT1 ("EXECUTING anychar.\n");
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4525
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4526 PREFETCH ();
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4527
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4528 if ((!(bufp->syntax & RE_DOT_NEWLINE) && TRANSLATE (*d) == '\n')
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4529 \|\| (bufp->syntax & RE_DOT_NOT_NULL && TRANSLATE (*d) == '\000'))
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4530 goto fail;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4531
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4532 SET_REGS_MATCHED ();
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4533 DEBUG_PRINT2 (" Matched `%d'.\n", *d);
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	4534 d += multibyte ? MULTIBYTE_FORM_LENGTH (d, dend - d) : 1;
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4535 break;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4536
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4537
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4538 case charset:
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4539 case charset_not:
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4540 {
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	4541 register unsigned int c;
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4542 boolean not = (re_opcode_t) *(p - 1) == charset_not;
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	4543 int len;
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	4544
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	4545 /* Start of actual range_table, or end of bitmap if there is no
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	4546 range table. */
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	4547 unsigned char *range_table;
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	4548
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4549 /* Nonzero if there is range table. */
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	4550 int range_table_exists;
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	4551
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4552 /* Number of ranges of range table. Not in bytes. */
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	4553 int count;
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	4554
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4555 DEBUG_PRINT2 ("EXECUTING charset%s.\n", not ? "_not" : "");
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4556
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4557 PREFETCH ();
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	4558 c = (unsigned char) *d;
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	4559
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	4560 range_table = CHARSET_RANGE_TABLE (&p[-1]); /* Past the bitmap. */
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	4561 range_table_exists = CHARSET_RANGE_TABLE_EXISTS_P (&p[-1]);
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	4562 if (range_table_exists)
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	4563 EXTRACT_NUMBER_AND_INCR (count, range_table);
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	4564 else
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	4565 count = 0;
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	4566
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	4567 if (multibyte && BASE_LEADING_CODE_P (c))
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	4568 c = STRING_CHAR_AND_LENGTH (d, dend - d, len);
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	4569
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	4570 if (SINGLE_BYTE_CHAR_P (c))
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	4571 { /* Lookup bitmap. */
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	4572 c = TRANSLATE (c); /* The character to match. */
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	4573 len = 1;
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	4574
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	4575 /* Cast to `unsigned' instead of `unsigned char' in
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	4576 case the bit list is a full 32 bytes long. */
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	4577 if (c < (unsigned) (CHARSET_BITMAP_SIZE (&p[-1]) * BYTEWIDTH)
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4578 && p[1 + c / BYTEWIDTH] & (1 << (c % BYTEWIDTH)))
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4579 not = !not;
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	4580 }
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	4581 else if (range_table_exists)
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	4582 CHARSET_LOOKUP_RANGE_TABLE_RAW (not, c, range_table, count);
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	4583
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	4584 p = CHARSET_RANGE_TABLE_END (range_table, count);
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4585
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4586 if (!not) goto fail;
515 69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	4587
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4588 SET_REGS_MATCHED ();
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	4589 d += len;
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4590 break;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4591 }
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4592
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4593
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4594 /* The beginning of a group is represented by start_memory.
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4595 The arguments are the register number in the next byte, and the
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4596 number of groups inner to this one in the next. The text
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4597 matched within the group is recorded (in the internal
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4598 registers data structure) under the register number. */
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4599 case start_memory:
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4600 DEBUG_PRINT3 ("EXECUTING start_memory %d (%d):\n", *p, p[1]);
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4601
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4602 /* Find out if this group can match the empty string. */
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4603 p1 = p; /* To send to group_match_null_string_p. */
515 69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	4604
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4605 if (REG_MATCH_NULL_STRING_P (reg_info[*p]) == MATCH_NULL_UNSET_VALUE)
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4606 REG_MATCH_NULL_STRING_P (reg_info[*p])
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4607 = group_match_null_string_p (&p1, pend, reg_info);
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4608
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4609 /* Save the position in the string where we were the last time
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4610 we were at this open-group operator in case the group is
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4611 operated upon by a repetition operator, e.g., with `(a)b'
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4612 against `ab'; then we want to ignore where we are now in
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4613 the string in case this attempt to match fails. */
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4614 old_regstart[p] = REG_MATCH_NULL_STRING_P (reg_info[p])
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4615 ? REG_UNSET (regstart[p]) ? d : regstart[p]
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4616 : regstart[*p];
515 69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	4617 DEBUG_PRINT2 (" old_regstart: %d\n",
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4618 POINTER_TO_OFFSET (old_regstart[*p]));
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4619
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4620 regstart[*p] = d;
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4621 DEBUG_PRINT2 (" regstart: %d\n", POINTER_TO_OFFSET (regstart[*p]));
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4622
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4623 IS_ACTIVE (reg_info[*p]) = 1;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4624 MATCHED_SOMETHING (reg_info[*p]) = 0;
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4625
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4626 /* Clear this whenever we change the register activity status. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4627 set_regs_matched_done = 0;
515 69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	4628
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4629 /* This is the new highest active register. */
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4630 highest_active_reg = *p;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4631
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4632 /* If nothing was active before, this is the new lowest active
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4633 register. */
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4634 if (lowest_active_reg == NO_LOWEST_ACTIVE_REG)
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4635 lowest_active_reg = *p;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4636
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4637 /* Move past the register number and inner group count. */
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4638 p += 2;
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4639 just_past_start_mem = p;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4640
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4641 break;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4642
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4643
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4644 /* The stop_memory opcode represents the end of a group. Its
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4645 arguments are the same as start_memory's: the register
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4646 number, and the number of inner groups. */
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4647 case stop_memory:
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4648 DEBUG_PRINT3 ("EXECUTING stop_memory %d (%d):\n", *p, p[1]);
515 69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	4649
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4650 /* We need to save the string position the last time we were at
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4651 this close-group operator in case the group is operated
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4652 upon by a repetition operator, e.g., with `((a)(b))*'
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4653 against `aba'; then we want to ignore where we are now in
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4654 the string in case this attempt to match fails. */
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4655 old_regend[p] = REG_MATCH_NULL_STRING_P (reg_info[p])
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4656 ? REG_UNSET (regend[p]) ? d : regend[p]
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4657 : regend[*p];
515 69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	4658 DEBUG_PRINT2 (" old_regend: %d\n",
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4659 POINTER_TO_OFFSET (old_regend[*p]));
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4660
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4661 regend[*p] = d;
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4662 DEBUG_PRINT2 (" regend: %d\n", POINTER_TO_OFFSET (regend[*p]));
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4663
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4664 /* This register isn't active anymore. */
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4665 IS_ACTIVE (reg_info[*p]) = 0;
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4666
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4667 /* Clear this whenever we change the register activity status. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4668 set_regs_matched_done = 0;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4669
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4670 /* If this was the only register active, nothing is active
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4671 anymore. */
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4672 if (lowest_active_reg == highest_active_reg)
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4673 {
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4674 lowest_active_reg = NO_LOWEST_ACTIVE_REG;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4675 highest_active_reg = NO_HIGHEST_ACTIVE_REG;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4676 }
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4677 else
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4678 { /* We must scan for the new highest active register, since
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4679 it isn't necessarily one less than now: consider
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4680 (a(b)c(d(e)f)g). When group 3 ends, after the f), the
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4681 new highest active register is 1. */
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4682 unsigned char r = *p - 1;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4683 while (r > 0 && !IS_ACTIVE (reg_info[r]))
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4684 r--;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4685
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4686 /* If we end up at register zero, that means that we saved
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4687 the registers as the result of an `on_failure_jump', not
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4688 a `start_memory', and we jumped to past the innermost
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4689 `stop_memory'. For example, in ((.)*) we save
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4690 registers 1 and 2 as a result of the *, but when we pop
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4691 back to the second ), we are at the stop_memory 1.
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4692 Thus, nothing is active. */
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4693 if (r == 0)
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4694 {
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4695 lowest_active_reg = NO_LOWEST_ACTIVE_REG;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4696 highest_active_reg = NO_HIGHEST_ACTIVE_REG;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4697 }
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4698 else
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4699 highest_active_reg = r;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4700 }
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4701
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4702 /* If just failed to match something this time around with a
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4703 group that's operated on by a repetition operator, try to
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4704 force exit from the ``loop'', and restore the register
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4705 information for this group that we had before trying this
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4706 last match. */
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4707 if ((!MATCHED_SOMETHING (reg_info[*p])
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4708 \|\| just_past_start_mem == p - 1)
515 69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	4709 && (p + 2) < pend)
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4710 {
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4711 boolean is_a_jump_n = false;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4712
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4713 p1 = p + 2;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4714 mcnt = 0;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4715 switch ((re_opcode_t) *p1++)
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4716 {
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4717 case jump_n:
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4718 is_a_jump_n = true;
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4719 case pop_failure_jump:
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4720 case maybe_pop_jump:
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4721 case jump:
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4722 case dummy_failure_jump:
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4723 EXTRACT_NUMBER_AND_INCR (mcnt, p1);
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4724 if (is_a_jump_n)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4725 p1 += 2;
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4726 break;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4727
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4728 default:
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4729 /* do nothing */ ;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4730 }
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4731 p1 += mcnt;
515 69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	4732
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4733 /* If the next operation is a jump backwards in the pattern
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4734 to an on_failure_jump right before the start_memory
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4735 corresponding to this stop_memory, exit from the loop
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4736 by forcing a failure after pushing on the stack the
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4737 on_failure_jump's jump in the pattern, and d. */
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4738 if (mcnt < 0 && (re_opcode_t) *p1 == on_failure_jump
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4739 && (re_opcode_t) p1[3] == start_memory && p1[4] == *p)
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4740 {
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4741 /* If this group ever matched anything, then restore
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4742 what its registers were before trying this last
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4743 failed match, e.g., with `(a)b' against `ab' for
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4744 regstart[1], and, e.g., with `((a)(b))*'
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4745 against `aba' for regend[3].
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4746
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4747 Also restore the registers for inner groups for,
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4748 e.g., `((a)(b))*' against `aba' (register 3 would
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4749 otherwise get trashed). */
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4750
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4751 if (EVER_MATCHED_SOMETHING (reg_info[*p]))
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4752 {
515 69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	4753 unsigned r;
69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	4754
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4755 EVER_MATCHED_SOMETHING (reg_info[*p]) = 0;
515 69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	4756
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4757 /* Restore this and inner groups' (if any) registers. */
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4758 for (r = p; r < p + *(p + 1); r++)
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4759 {
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4760 regstart[r] = old_regstart[r];
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4761
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4762 /* xx why this test? */
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4763 if (old_regend[r] >= regstart[r])
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4764 regend[r] = old_regend[r];
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4765 }
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4766 }
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4767 p1++;
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4768 EXTRACT_NUMBER_AND_INCR (mcnt, p1);
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4769 PUSH_FAILURE_POINT (p1 + mcnt, d, -2);
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4770
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4771 goto fail;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4772 }
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4773 }
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4774
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4775 /* Move past the register number and the inner group count. */
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4776 p += 2;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4777 break;
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4778
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4779
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4780 /* \<digit> has been turned into a `duplicate' command which is
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4781 followed by the numeric value of <digit> as the register number. */
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4782 case duplicate:
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4783 {
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4784 register const char d2, dend2;
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4785 int regno = p++; / Get which register to match against. */
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4786 DEBUG_PRINT2 ("EXECUTING duplicate %d.\n", regno);
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4787
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4788 /* Can't back reference a group which we've never matched. */
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4789 if (REG_UNSET (regstart[regno]) \|\| REG_UNSET (regend[regno]))
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4790 goto fail;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4791
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4792 /* Where in input to try to start matching. */
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4793 d2 = regstart[regno];
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4794
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4795 /* Where to stop matching; if both the place to start and
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4796 the place to stop matching are in the same string, then
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4797 set to the place to stop, otherwise, for now have to use
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4798 the end of the first string. */
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4799
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4800 dend2 = ((FIRST_STRING_P (regstart[regno])
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4801 == FIRST_STRING_P (regend[regno]))
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4802 ? regend[regno] : end_match_1);
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4803 for (;;)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4804 {
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4805 /* If necessary, advance to next segment in register
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4806 contents. */
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4807 while (d2 == dend2)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4808 {
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4809 if (dend2 == end_match_2) break;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4810 if (dend2 == regend[regno]) break;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4811
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4812 /* End of string1 => advance to string2. */
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4813 d2 = string2;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4814 dend2 = regend[regno];
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4815 }
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4816 /* At end of register contents => success */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4817 if (d2 == dend2) break;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4818
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4819 /* If necessary, advance to next segment in data. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4820 PREFETCH ();
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4821
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4822 /* How many characters left in this segment to match. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4823 mcnt = dend - d;
515 69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	4824
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4825 /* Want how many consecutive characters we can match in
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4826 one shot, so, if necessary, adjust the count. */
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4827 if (mcnt > dend2 - d2)
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4828 mcnt = dend2 - d2;
515 69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	4829
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4830 /* Compare that many; failure if mismatch, else move
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4831 past them. */
515 69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	4832 if (translate
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4833 ? bcmp_translate (d, d2, mcnt, translate)
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4834 : bcmp (d, d2, mcnt))
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4835 goto fail;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4836 d += mcnt, d2 += mcnt;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4837
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4838 /* Do this because we've match some characters. */
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4839 SET_REGS_MATCHED ();
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4840 }
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4841 }
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4842 break;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4843
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4844
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4845 /* begline matches the empty string at the beginning of the string
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4846 (unless `not_bol' is set in `bufp'), and, if
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4847 `newline_anchor' is set, after newlines. */
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4848 case begline:
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4849 DEBUG_PRINT1 ("EXECUTING begline.\n");
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4850
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4851 if (AT_STRINGS_BEG (d))
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4852 {
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4853 if (!bufp->not_bol) break;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4854 }
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4855 else if (d[-1] == '\n' && bufp->newline_anchor)
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4856 {
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4857 break;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4858 }
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4859 /* In all other cases, we fail. */
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4860 goto fail;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4861
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4862
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4863 /* endline is the dual of begline. */
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4864 case endline:
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4865 DEBUG_PRINT1 ("EXECUTING endline.\n");
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4866
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4867 if (AT_STRINGS_END (d))
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4868 {
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4869 if (!bufp->not_eol) break;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4870 }
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4871
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4872 /* We have to ``prefetch'' the next character. */
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4873 else if ((d == end1 ? string2 : d) == '\n'
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4874 && bufp->newline_anchor)
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4875 {
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4876 break;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4877 }
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4878 goto fail;
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4879
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4880
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4881 /* Match at the very beginning of the data. */
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4882 case begbuf:
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4883 DEBUG_PRINT1 ("EXECUTING begbuf.\n");
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4884 if (AT_STRINGS_BEG (d))
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4885 break;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4886 goto fail;
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4887
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4888
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4889 /* Match at the very end of the data. */
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4890 case endbuf:
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4891 DEBUG_PRINT1 ("EXECUTING endbuf.\n");
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4892 if (AT_STRINGS_END (d))
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4893 break;
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4894 goto fail;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4895
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4896
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4897 /* on_failure_keep_string_jump is used to optimize `.*\n'. It
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4898 pushes NULL as the value for the string on the stack. Then
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4899 `pop_failure_point' will keep the current value for the
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4900 string, instead of restoring it. To see why, consider
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4901 matching `foo\nbar' against `.\n'. The . matches the foo;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4902 then the . fails against the \n. But the next thing we want
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4903 to do is match the \n against the \n; if we restored the
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4904 string value, we would be back at the foo.
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4905
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4906 Because this is used only in specific cases, we don't need to
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4907 check all the things that `on_failure_jump' does, to make
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4908 sure the right things get saved on the stack. Hence we don't
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4909 share its code. The only reason to push anything on the
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4910 stack at all is that otherwise we would have to change
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4911 `anychar's code to do something besides goto fail in this
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4912 case; that seems worse than this. */
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4913 case on_failure_keep_string_jump:
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4914 DEBUG_PRINT1 ("EXECUTING on_failure_keep_string_jump");
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4915
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4916 EXTRACT_NUMBER_AND_INCR (mcnt, p);
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4917 DEBUG_PRINT3 (" %d (to 0x%x):\n", mcnt, p + mcnt);
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4918
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4919 PUSH_FAILURE_POINT (p + mcnt, NULL, -2);
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4920 break;
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4921
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4922
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4923 /* Uses of on_failure_jump:
515 69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	4924
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4925 Each alternative starts with an on_failure_jump that points
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4926 to the beginning of the next alternative. Each alternative
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4927 except the last ends with a jump that in effect jumps past
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4928 the rest of the alternatives. (They really jump to the
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4929 ending jump of the following alternative, because tensioning
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4930 these jumps is a hassle.)
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4931
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4932 Repeats start with an on_failure_jump that points past both
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4933 the repetition text and either the following jump or
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4934 pop_failure_jump back to this on_failure_jump. */
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4935 case on_failure_jump:
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4936 on_failure:
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4937 DEBUG_PRINT1 ("EXECUTING on_failure_jump");
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4938
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4939 EXTRACT_NUMBER_AND_INCR (mcnt, p);
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4940 DEBUG_PRINT3 (" %d (to 0x%x)", mcnt, p + mcnt);
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4941
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4942 /* If this on_failure_jump comes right before a group (i.e.,
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4943 the original * applied to a group), save the information
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4944 for that group and all inner ones, so that if we fail back
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4945 to this point, the group's information will be correct.
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4946 For example, in $a$\1, we need the preceding group,
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4947 and in $zz\(a$b\)\2, we need the inner group. */
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4948
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4949 /* We can't use `p' to check ahead because we push
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4950 a failure point to `p + mcnt' after we do this. */
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4951 p1 = p;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4952
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4953 /* We need to skip no_op's before we look for the
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4954 start_memory in case this on_failure_jump is happening as
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4955 the result of a completed succeed_n, as in $a$\{1,3\}b\1
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4956 against aba. */
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4957 while (p1 < pend && (re_opcode_t) *p1 == no_op)
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4958 p1++;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4959
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4960 if (p1 < pend && (re_opcode_t) *p1 == start_memory)
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4961 {
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4962 /* We have a new highest active register now. This will
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4963 get reset at the start_memory we are about to get to,
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4964 but we will have saved all the registers relevant to
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4965 this repetition op, as described above. */
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4966 highest_active_reg = (p1 + 1) + (p1 + 2);
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4967 if (lowest_active_reg == NO_LOWEST_ACTIVE_REG)
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4968 lowest_active_reg = *(p1 + 1);
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4969 }
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4970
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4971 DEBUG_PRINT1 (":\n");
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4972 PUSH_FAILURE_POINT (p + mcnt, d, -2);
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4973 break;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4974
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4975
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4976 /* A smart repeat ends with `maybe_pop_jump'.
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4977 We change it to either `pop_failure_jump' or `jump'. */
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4978 case maybe_pop_jump:
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4979 EXTRACT_NUMBER_AND_INCR (mcnt, p);
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4980 DEBUG_PRINT2 ("EXECUTING maybe_pop_jump %d.\n", mcnt);
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4981 {
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4982 register unsigned char *p2 = p;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4983
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4984 /* Compare the beginning of the repeat with what in the
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4985 pattern follows its end. If we can establish that there
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4986 is nothing that they would both match, i.e., that we
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4987 would have to backtrack because of (as in, e.g., `a*a')
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4988 then we can change to pop_failure_jump, because we'll
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4989 never have to backtrack.
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4990
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4991 This is not true in the case of alternatives: in
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4992 `(a\|ab)*' we do need to backtrack to the `ab' alternative
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4993 (e.g., if the string was `ab'). But instead of trying to
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4994 detect that here, the alternative has put on a dummy
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	4995 failure point which is what we will end up popping. */
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4996
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4997 /* Skip over open/close-group commands.
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4998 If what follows this loop is a ...+ construct,
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	4999 look at what begins its body, since we will have to
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5000 match at least one of that. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5001 while (1)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5002 {
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5003 if (p2 + 2 < pend
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5004 && ((re_opcode_t) *p2 == stop_memory
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5005 \|\| (re_opcode_t) *p2 == start_memory))
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5006 p2 += 3;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5007 else if (p2 + 6 < pend
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5008 && (re_opcode_t) *p2 == dummy_failure_jump)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5009 p2 += 6;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5010 else
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5011 break;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5012 }
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5013
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5014 p1 = p + mcnt;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5015 /* p1[0] ... p1[2] are the `on_failure_jump' corresponding
515 69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	5016 to the `maybe_finalize_jump' of this case. Examine what
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5017 follows. */
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5018
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5019 /* If we're at the end of the pattern, we can change. */
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5020 if (p2 == pend)
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5021 {
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5022 /* Consider what happens when matching ":$.*$"
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5023 against ":/". I don't really understand this code
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5024 yet. */
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5025 p[-3] = (unsigned char) pop_failure_jump;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5026 DEBUG_PRINT1
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5027 (" End of pattern: change to `pop_failure_jump'.\n");
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5028 }
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5029
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5030 else if ((re_opcode_t) *p2 == exactn
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5031 \|\| (bufp->newline_anchor && (re_opcode_t) *p2 == endline))
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5032 {
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5033 register unsigned int c
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5034 = *p2 == (unsigned char) endline ? '\n' : p2[2];
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5035
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5036 if ((re_opcode_t) p1[3] == exactn)
679 b088267ea1c8 Clean up whitespace. Richard Stallman <rms@gnu.org> parents: 678 diff changeset	5037 {
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5038 if (!(multibyte /* && (c != '\n') */
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5039 && BASE_LEADING_CODE_P (c))
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5040 ? c != p1[5]
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5041 : (STRING_CHAR (&p2[2], pend - &p2[2])
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5042 != STRING_CHAR (&p1[5], pend - &p1[5])))
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5043 {
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5044 p[-3] = (unsigned char) pop_failure_jump;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5045 DEBUG_PRINT3 (" %c != %c => pop_failure_jump.\n",
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5046 c, p1[5]);
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5047 }
679 b088267ea1c8 Clean up whitespace. Richard Stallman <rms@gnu.org> parents: 678 diff changeset	5048 }
515 69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	5049
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5050 else if ((re_opcode_t) p1[3] == charset
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5051 \|\| (re_opcode_t) p1[3] == charset_not)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5052 {
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5053 int not = (re_opcode_t) p1[3] == charset_not;
515 69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	5054
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5055 if (multibyte /* && (c != '\n') */
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5056 && BASE_LEADING_CODE_P (c))
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5057 c = STRING_CHAR (&p2[2], pend - &p2[2]);
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5058
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5059 /* Test if C is listed in charset (or charset_not)
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5060 at `&p1[3]'. */
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5061 if (SINGLE_BYTE_CHAR_P (c))
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5062 {
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5063 if (c < CHARSET_BITMAP_SIZE (&p1[3]) * BYTEWIDTH
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5064 && p1[5 + c / BYTEWIDTH] & (1 << (c % BYTEWIDTH)))
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5065 not = !not;
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5066 }
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5067 else if (CHARSET_RANGE_TABLE_EXISTS_P (&p1[3]))
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5068 CHARSET_LOOKUP_RANGE_TABLE (not, c, &p1[3]);
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5069
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5070 /* `not' is equal to 1 if c would match, which means
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5071 that we can't change to pop_failure_jump. */
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5072 if (!not)
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5073 {
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5074 p[-3] = (unsigned char) pop_failure_jump;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5075 DEBUG_PRINT1 (" No match => pop_failure_jump.\n");
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5076 }
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5077 }
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5078 }
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5079 else if ((re_opcode_t) *p2 == charset)
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5080 {
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5081 if ((re_opcode_t) p1[3] == exactn)
679 b088267ea1c8 Clean up whitespace. Richard Stallman <rms@gnu.org> parents: 678 diff changeset	5082 {
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5083 register unsigned int c = p1[5];
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5084 int not = 0;
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5085
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5086 if (multibyte && BASE_LEADING_CODE_P (c))
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5087 c = STRING_CHAR (&p1[5], pend - &p1[5]);
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5088
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5089 /* Test if C is listed in charset at `p2'. */
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5090 if (SINGLE_BYTE_CHAR_P (c))
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5091 {
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5092 if (c < CHARSET_BITMAP_SIZE (p2) * BYTEWIDTH
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5093 && (p2[2 + c / BYTEWIDTH]
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5094 & (1 << (c % BYTEWIDTH))))
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5095 not = !not;
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5096 }
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5097 else if (CHARSET_RANGE_TABLE_EXISTS_P (p2))
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5098 CHARSET_LOOKUP_RANGE_TABLE (not, c, p2);
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5099
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5100 if (!not)
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5101 {
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5102 p[-3] = (unsigned char) pop_failure_jump;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5103 DEBUG_PRINT1 (" No match => pop_failure_jump.\n");
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5104 }
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5105 }
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5106
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5107 /* It is hard to list up all the character in charset
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5108 P2 if it includes multibyte character. Give up in
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5109 such case. */
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5110 else if (!multibyte \|\| !CHARSET_RANGE_TABLE_EXISTS_P (p2))
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5111 {
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5112 /* Now, we are sure that P2 has no range table.
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5113 So, for the size of bitmap in P2, `p2[1]' is
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5114 enough. But P1 may have range table, so the
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5115 size of bitmap table of P1 is extracted by
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5116 using macro `CHARSET_BITMAP_SIZE'.
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5117
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5118 Since we know that all the character listed in
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5119 P2 is ASCII, it is enough to test only bitmap
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5120 table of P1. */
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5121
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5122 if ((re_opcode_t) p1[3] == charset_not)
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5123 {
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5124 int idx;
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5125 /* We win if the charset_not inside the loop lists
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5126 every character listed in the charset after. */
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5127 for (idx = 0; idx < (int) p2[1]; idx++)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5128 if (! (p2[2 + idx] == 0
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5129 \|\| (idx < CHARSET_BITMAP_SIZE (&p1[3])
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5130 && ((p2[2 + idx] & ~ p1[5 + idx]) == 0))))
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5131 break;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5132
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5133 if (idx == p2[1])
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5134 {
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5135 p[-3] = (unsigned char) pop_failure_jump;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5136 DEBUG_PRINT1 (" No match => pop_failure_jump.\n");
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5137 }
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5138 }
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5139 else if ((re_opcode_t) p1[3] == charset)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5140 {
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5141 int idx;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5142 /* We win if the charset inside the loop
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5143 has no overlap with the one after the loop. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5144 for (idx = 0;
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5145 (idx < (int) p2[1]
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5146 && idx < CHARSET_BITMAP_SIZE (&p1[3]));
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5147 idx++)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5148 if ((p2[2 + idx] & p1[5 + idx]) != 0)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5149 break;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5150
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5151 if (idx == p2[1]
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5152 \|\| idx == CHARSET_BITMAP_SIZE (&p1[3]))
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5153 {
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5154 p[-3] = (unsigned char) pop_failure_jump;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5155 DEBUG_PRINT1 (" No match => pop_failure_jump.\n");
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5156 }
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5157 }
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5158 }
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5159 }
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5160 }
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5161 p -= 2; /* Point at relative address again. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5162 if ((re_opcode_t) p[-1] != pop_failure_jump)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5163 {
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5164 p[-1] = (unsigned char) jump;
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5165 DEBUG_PRINT1 (" Match => jump.\n");
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5166 goto unconditional_jump;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5167 }
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5168 /* Note fall through. */
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5169
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5170
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5171 /* The end of a simple repeat has a pop_failure_jump back to
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5172 its matching on_failure_jump, where the latter will push a
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5173 failure point. The pop_failure_jump takes off failure
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5174 points put on by this pop_failure_jump's matching
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5175 on_failure_jump; we got through the pattern to here from the
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5176 matching on_failure_jump, so didn't fail. */
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5177 case pop_failure_jump:
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5178 {
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5179 /* We need to pass separate storage for the lowest and
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5180 highest registers, even though we don't care about the
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5181 actual values. Otherwise, we will restore only one
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5182 register from the stack, since lowest will == highest in
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5183 `pop_failure_point'. */
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5184 unsigned dummy_low_reg, dummy_high_reg;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5185 unsigned char *pdummy;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5186 const char *sdummy;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5187
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5188 DEBUG_PRINT1 ("EXECUTING pop_failure_jump.\n");
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5189 POP_FAILURE_POINT (sdummy, pdummy,
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5190 dummy_low_reg, dummy_high_reg,
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5191 reg_dummy, reg_dummy, reg_info_dummy);
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5192 }
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5193 /* Note fall through. */
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5194
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5195
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5196 /* Unconditionally jump (without popping any failure points). */
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5197 case jump:
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5198 unconditional_jump:
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5199 EXTRACT_NUMBER_AND_INCR (mcnt, p); /* Get the amount to jump. */
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5200 DEBUG_PRINT2 ("EXECUTING jump %d ", mcnt);
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5201 p += mcnt; /* Do the jump. */
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5202 DEBUG_PRINT2 ("(to 0x%x).\n", p);
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5203 break;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5204
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5205
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5206 /* We need this opcode so we can detect where alternatives end
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5207 in `group_match_null_string_p' et al. */
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5208 case jump_past_alt:
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5209 DEBUG_PRINT1 ("EXECUTING jump_past_alt.\n");
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5210 goto unconditional_jump;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5211
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5212
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5213 /* Normally, the on_failure_jump pushes a failure point, which
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5214 then gets popped at pop_failure_jump. We will end up at
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5215 pop_failure_jump, also, and with a pattern of, say, `a+', we
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5216 are skipping over the on_failure_jump, so we have to push
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5217 something meaningless for pop_failure_jump to pop. */
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5218 case dummy_failure_jump:
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5219 DEBUG_PRINT1 ("EXECUTING dummy_failure_jump.\n");
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5220 /* It doesn't matter what we push for the string here. What
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5221 the code at `fail' tests is the value for the pattern. */
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5222 PUSH_FAILURE_POINT (0, 0, -2);
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5223 goto unconditional_jump;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5224
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5225
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5226 /* At the end of an alternative, we need to push a dummy failure
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5227 point in case we are followed by a `pop_failure_jump', because
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5228 we don't want the failure point for the alternative to be
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5229 popped. For example, matching `(a\|ab)*' against `aab'
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5230 requires that we match the `ab' alternative. */
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5231 case push_dummy_failure:
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5232 DEBUG_PRINT1 ("EXECUTING push_dummy_failure.\n");
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5233 /* See comments just above at `dummy_failure_jump' about the
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5234 two zeroes. */
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5235 PUSH_FAILURE_POINT (0, 0, -2);
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5236 break;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5237
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5238 /* Have to succeed matching what follows at least n times.
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5239 After that, handle like `on_failure_jump'. */
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5240 case succeed_n:
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5241 EXTRACT_NUMBER (mcnt, p + 2);
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5242 DEBUG_PRINT2 ("EXECUTING succeed_n %d.\n", mcnt);
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5243
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5244 assert (mcnt >= 0);
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5245 /* Originally, this is how many times we HAVE to succeed. */
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5246 if (mcnt > 0)
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5247 {
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5248 mcnt--;
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5249 p += 2;
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5250 STORE_NUMBER_AND_INCR (p, mcnt);
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5251 DEBUG_PRINT3 (" Setting 0x%x to %d.\n", p, mcnt);
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5252 }
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5253 else if (mcnt == 0)
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5254 {
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5255 DEBUG_PRINT2 (" Setting two bytes from 0x%x to no_op.\n", p+2);
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5256 p[2] = (unsigned char) no_op;
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5257 p[3] = (unsigned char) no_op;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5258 goto on_failure;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5259 }
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5260 break;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5261
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5262 case jump_n:
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5263 EXTRACT_NUMBER (mcnt, p + 2);
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5264 DEBUG_PRINT2 ("EXECUTING jump_n %d.\n", mcnt);
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5265
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5266 /* Originally, this is how many times we CAN jump. */
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5267 if (mcnt)
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5268 {
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5269 mcnt--;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5270 STORE_NUMBER (p + 2, mcnt);
515 69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	5271 goto unconditional_jump;
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5272 }
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5273 /* If don't have to jump any more, skip over the rest of command. */
515 69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	5274 else
69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	5275 p += 4;
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5276 break;
515 69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	5277
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5278 case set_number_at:
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5279 {
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5280 DEBUG_PRINT1 ("EXECUTING set_number_at.\n");
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5281
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5282 EXTRACT_NUMBER_AND_INCR (mcnt, p);
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5283 p1 = p + mcnt;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5284 EXTRACT_NUMBER_AND_INCR (mcnt, p);
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5285 DEBUG_PRINT3 (" Setting 0x%x to %d.\n", p1, mcnt);
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5286 STORE_NUMBER (p1, mcnt);
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5287 break;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5288 }
521 7089c3a3a164 (AT_WORD_BOUNDARY): Disable macro. Karl Heuer <kwzh@gnu.org> parents: 515 diff changeset	5289
7089c3a3a164 (AT_WORD_BOUNDARY): Disable macro. Karl Heuer <kwzh@gnu.org> parents: 515 diff changeset	5290 case wordbound:
7089c3a3a164 (AT_WORD_BOUNDARY): Disable macro. Karl Heuer <kwzh@gnu.org> parents: 515 diff changeset	5291 DEBUG_PRINT1 ("EXECUTING wordbound.\n");
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5292
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5293 /* We SUCCEED in one of the following cases: */
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5294
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5295 /* Case 1: D is at the beginning or the end of string. */
521 7089c3a3a164 (AT_WORD_BOUNDARY): Disable macro. Karl Heuer <kwzh@gnu.org> parents: 515 diff changeset	5296 if (AT_STRINGS_BEG (d) \|\| AT_STRINGS_END (d))
7089c3a3a164 (AT_WORD_BOUNDARY): Disable macro. Karl Heuer <kwzh@gnu.org> parents: 515 diff changeset	5297 break;
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5298 else
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5299 {
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5300 /* C1 is the character before D, S1 is the syntax of C1, C2
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5301 is the character at D, and S2 is the syntax of C2. */
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5302 int c1, c2, s1, s2;
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5303 int pos1 = PTR_TO_OFFSET (d - 1);
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5304
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5305 GET_CHAR_BEFORE_2 (c1, d, string1, end1, string2, end2);
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5306 GET_CHAR_AFTER_2 (c2, d, string1, end1, string2, end2);
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5307 #ifdef emacs
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5308 UPDATE_SYNTAX_TABLE (pos1 ? pos1 : 1);
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5309 #endif
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5310 s1 = SYNTAX (c1);
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5311 #ifdef emacs
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5312 UPDATE_SYNTAX_TABLE_FORWARD (pos1 + 1);
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5313 #endif
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5314 s2 = SYNTAX (c2);
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5315
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5316 if (/* Case 2: Only one of S1 and S2 is Sword. */
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5317 ((s1 == Sword) != (s2 == Sword))
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5318 /* Case 3: Both of S1 and S2 are Sword, and macro
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5319 WORD_BOUNDARY_P (C1, C2) returns nonzero. */
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5320 \|\| ((s1 == Sword) && WORD_BOUNDARY_P (c1, c2)))
521 7089c3a3a164 (AT_WORD_BOUNDARY): Disable macro. Karl Heuer <kwzh@gnu.org> parents: 515 diff changeset	5321 break;
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5322 }
521 7089c3a3a164 (AT_WORD_BOUNDARY): Disable macro. Karl Heuer <kwzh@gnu.org> parents: 515 diff changeset	5323 goto fail;
7089c3a3a164 (AT_WORD_BOUNDARY): Disable macro. Karl Heuer <kwzh@gnu.org> parents: 515 diff changeset	5324
7089c3a3a164 (AT_WORD_BOUNDARY): Disable macro. Karl Heuer <kwzh@gnu.org> parents: 515 diff changeset	5325 case notwordbound:
7089c3a3a164 (AT_WORD_BOUNDARY): Disable macro. Karl Heuer <kwzh@gnu.org> parents: 515 diff changeset	5326 DEBUG_PRINT1 ("EXECUTING notwordbound.\n");
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5327
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5328 /* We FAIL in one of the following cases: */
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5329
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5330 /* Case 1: D is at the beginning or the end of string. */
521 7089c3a3a164 (AT_WORD_BOUNDARY): Disable macro. Karl Heuer <kwzh@gnu.org> parents: 515 diff changeset	5331 if (AT_STRINGS_BEG (d) \|\| AT_STRINGS_END (d))
7089c3a3a164 (AT_WORD_BOUNDARY): Disable macro. Karl Heuer <kwzh@gnu.org> parents: 515 diff changeset	5332 goto fail;
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5333 else
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5334 {
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5335 /* C1 is the character before D, S1 is the syntax of C1, C2
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5336 is the character at D, and S2 is the syntax of C2. */
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5337 int c1, c2, s1, s2;
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5338 int pos1 = PTR_TO_OFFSET (d - 1);
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5339
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5340 GET_CHAR_BEFORE_2 (c1, d, string1, end1, string2, end2);
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5341 GET_CHAR_AFTER_2 (c2, d, string1, end1, string2, end2);
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5342 #ifdef emacs
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5343 UPDATE_SYNTAX_TABLE (pos1);
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5344 #endif
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5345 s1 = SYNTAX (c1);
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5346 #ifdef emacs
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5347 UPDATE_SYNTAX_TABLE_FORWARD (pos1 + 1);
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5348 #endif
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5349 s2 = SYNTAX (c2);
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5350
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5351 if (/* Case 2: Only one of S1 and S2 is Sword. */
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5352 ((s1 == Sword) != (s2 == Sword))
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5353 /* Case 3: Both of S1 and S2 are Sword, and macro
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5354 WORD_BOUNDARY_P (C1, C2) returns nonzero. */
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5355 \|\| ((s1 == Sword) && WORD_BOUNDARY_P (c1, c2)))
521 7089c3a3a164 (AT_WORD_BOUNDARY): Disable macro. Karl Heuer <kwzh@gnu.org> parents: 515 diff changeset	5356 goto fail;
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5357 }
521 7089c3a3a164 (AT_WORD_BOUNDARY): Disable macro. Karl Heuer <kwzh@gnu.org> parents: 515 diff changeset	5358 break;
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5359
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5360 case wordbeg:
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5361 DEBUG_PRINT1 ("EXECUTING wordbeg.\n");
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5362
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5363 /* We FAIL in one of the following cases: */
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5364
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5365 /* Case 1: D is at the end of string. */
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5366 if (AT_STRINGS_END (d))
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5367 goto fail;
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5368 else
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5369 {
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5370 /* C1 is the character before D, S1 is the syntax of C1, C2
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5371 is the character at D, and S2 is the syntax of C2. */
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5372 int c1, c2, s1, s2;
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5373 int pos1 = PTR_TO_OFFSET (d);
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5374
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5375 GET_CHAR_AFTER_2 (c2, d, string1, end1, string2, end2);
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5376 #ifdef emacs
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5377 UPDATE_SYNTAX_TABLE (pos1);
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5378 #endif
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5379 s2 = SYNTAX (c2);
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5380
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5381 /* Case 2: S2 is not Sword. */
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5382 if (s2 != Sword)
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5383 goto fail;
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5384
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5385 /* Case 3: D is not at the beginning of string ... */
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5386 if (!AT_STRINGS_BEG (d))
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5387 {
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5388 GET_CHAR_BEFORE_2 (c1, d, string1, end1, string2, end2);
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5389 #ifdef emacs
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5390 UPDATE_SYNTAX_TABLE_BACKWARD (pos1 - 1);
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5391 #endif
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5392 s1 = SYNTAX (c1);
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5393
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5394 /* ... and S1 is Sword, and WORD_BOUNDARY_P (C1, C2)
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5395 returns 0. */
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5396 if ((s1 == Sword) && !WORD_BOUNDARY_P (c1, c2))
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5397 goto fail;
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5398 }
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5399 }
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5400 break;
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5401
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5402 case wordend:
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5403 DEBUG_PRINT1 ("EXECUTING wordend.\n");
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5404
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5405 /* We FAIL in one of the following cases: */
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5406
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5407 /* Case 1: D is at the beginning of string. */
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5408 if (AT_STRINGS_BEG (d))
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5409 goto fail;
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5410 else
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5411 {
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5412 /* C1 is the character before D, S1 is the syntax of C1, C2
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5413 is the character at D, and S2 is the syntax of C2. */
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5414 int c1, c2, s1, s2;
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5415
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5416 GET_CHAR_BEFORE_2 (c1, d, string1, end1, string2, end2);
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5417 s1 = SYNTAX (c1);
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5418
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5419 /* Case 2: S1 is not Sword. */
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5420 if (s1 != Sword)
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5421 goto fail;
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5422
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5423 /* Case 3: D is not at the end of string ... */
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5424 if (!AT_STRINGS_END (d))
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5425 {
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5426 GET_CHAR_AFTER_2 (c2, d, string1, end1, string2, end2);
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5427 s2 = SYNTAX (c2);
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5428
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5429 /* ... and S2 is Sword, and WORD_BOUNDARY_P (C1, C2)
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5430 returns 0. */
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5431 if ((s2 == Sword) && !WORD_BOUNDARY_P (c1, c2))
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5432 goto fail;
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5433 }
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5434 }
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5435 break;
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5436
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5437 #ifdef emacs
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5438 case before_dot:
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5439 DEBUG_PRINT1 ("EXECUTING before_dot.\n");
680 d794d4ea2333 (re_match_2_internal) [emacs]: Use PT, not point. Karl Heuer <kwzh@gnu.org> parents: 679 diff changeset	5440 if (PTR_CHAR_POS ((unsigned char *) d) >= PT)
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5441 goto fail;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5442 break;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5443
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5444 case at_dot:
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5445 DEBUG_PRINT1 ("EXECUTING at_dot.\n");
680 d794d4ea2333 (re_match_2_internal) [emacs]: Use PT, not point. Karl Heuer <kwzh@gnu.org> parents: 679 diff changeset	5446 if (PTR_CHAR_POS ((unsigned char *) d) != PT)
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5447 goto fail;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5448 break;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5449
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5450 case after_dot:
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5451 DEBUG_PRINT1 ("EXECUTING after_dot.\n");
680 d794d4ea2333 (re_match_2_internal) [emacs]: Use PT, not point. Karl Heuer <kwzh@gnu.org> parents: 679 diff changeset	5452 if (PTR_CHAR_POS ((unsigned char *) d) <= PT)
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5453 goto fail;
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5454 break;
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5455
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5456 case syntaxspec:
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5457 DEBUG_PRINT2 ("EXECUTING syntaxspec %d.\n", mcnt);
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5458 mcnt = *p++;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5459 goto matchsyntax;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5460
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5461 case wordchar:
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5462 DEBUG_PRINT1 ("EXECUTING Emacs wordchar.\n");
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5463 mcnt = (int) Sword;
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5464 matchsyntax:
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5465 PREFETCH ();
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5466 #ifdef emacs
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5467 {
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5468 int pos1 = PTR_TO_OFFSET (d);
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5469 UPDATE_SYNTAX_TABLE (pos1);
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5470 }
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5471 #endif
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5472 {
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5473 int c, len;
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5474
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5475 if (multibyte)
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5476 /* we must concern about multibyte form, ... */
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5477 c = STRING_CHAR_AND_LENGTH (d, dend - d, len);
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5478 else
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5479 /* everything should be handled as ASCII, even though it
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5480 looks like multibyte form. */
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5481 c = *d, len = 1;
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5482
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5483 if (SYNTAX (c) != (enum syntaxcode) mcnt)
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5484 goto fail;
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5485 d += len;
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5486 }
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5487 SET_REGS_MATCHED ();
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5488 break;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5489
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5490 case notsyntaxspec:
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5491 DEBUG_PRINT2 ("EXECUTING notsyntaxspec %d.\n", mcnt);
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5492 mcnt = *p++;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5493 goto matchnotsyntax;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5494
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5495 case notwordchar:
a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5496 DEBUG_PRINT1 ("EXECUTING Emacs notwordchar.\n");
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5497 mcnt = (int) Sword;
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5498 matchnotsyntax:
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5499 PREFETCH ();
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5500 #ifdef emacs
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5501 {
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5502 int pos1 = PTR_TO_OFFSET (d);
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5503 UPDATE_SYNTAX_TABLE (pos1);
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5504 }
941 a6403bc27be4 Fix up whitespace. Richard Stallman <rms@gnu.org> parents: 939 diff changeset	5505 #endif
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5506 {
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5507 int c, len;
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5508
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5509 if (multibyte)
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5510 c = STRING_CHAR_AND_LENGTH (d, dend - d, len);
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5511 else
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5512 c = *d, len = 1;
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5513
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5514 if (SYNTAX (c) == (enum syntaxcode) mcnt)
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5515 goto fail;
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5516 d += len;
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5517 }
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5518 SET_REGS_MATCHED ();
679 b088267ea1c8 Clean up whitespace. Richard Stallman <rms@gnu.org> parents: 678 diff changeset	5519 break;
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5520
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5521 case categoryspec:
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5522 DEBUG_PRINT2 ("EXECUTING categoryspec %d.\n", *p);
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5523 mcnt = *p++;
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5524 PREFETCH ();
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5525 {
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5526 int c, len;
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5527
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5528 if (multibyte)
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5529 c = STRING_CHAR_AND_LENGTH (d, dend - d, len);
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5530 else
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5531 c = *d, len = 1;
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5532
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5533 if (!CHAR_HAS_CATEGORY (c, mcnt))
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5534 goto fail;
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5535 d += len;
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5536 }
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5537 SET_REGS_MATCHED ();
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5538 break;
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5539
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5540 case notcategoryspec:
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5541 DEBUG_PRINT2 ("EXECUTING notcategoryspec %d.\n", *p);
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5542 mcnt = *p++;
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5543 PREFETCH ();
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5544 {
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5545 int c, len;
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5546
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5547 if (multibyte)
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5548 c = STRING_CHAR_AND_LENGTH (d, dend - d, len);
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5549 else
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5550 c = *d, len = 1;
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5551
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5552 if (CHAR_HAS_CATEGORY (c, mcnt))
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5553 goto fail;
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5554 d += len;
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5555 }
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5556 SET_REGS_MATCHED ();
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5557 break;
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5558
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5559 #else /* not emacs */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5560 case wordchar:
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5561 DEBUG_PRINT1 ("EXECUTING non-Emacs wordchar.\n");
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5562 PREFETCH ();
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5563 if (!WORDCHAR_P (d))
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5564 goto fail;
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5565 SET_REGS_MATCHED ();
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5566 d++;
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5567 break;
515 69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	5568
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5569 case notwordchar:
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5570 DEBUG_PRINT1 ("EXECUTING non-Emacs notwordchar.\n");
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5571 PREFETCH ();
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5572 if (WORDCHAR_P (d))
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5573 goto fail;
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5574 SET_REGS_MATCHED ();
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5575 d++;
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5576 break;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5577 #endif /* not emacs */
515 69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	5578
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5579 default:
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5580 abort ();
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5581 }
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5582 continue; /* Successfully executed one pattern command; keep going. */
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5583
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5584
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5585 /* We goto here if a matching operation fails. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5586 fail:
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5587 if (!FAIL_STACK_EMPTY ())
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5588 { /* A restart point is known. Restore to that state. */
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5589 DEBUG_PRINT1 ("\nFAIL:\n");
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5590 POP_FAILURE_POINT (d, p,
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5591 lowest_active_reg, highest_active_reg,
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5592 regstart, regend, reg_info);
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5593
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5594 /* If this failure point is a dummy, try the next one. */
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5595 if (!p)
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5596 goto fail;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5597
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5598 /* If we failed to the end of the pattern, don't examine p. /
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5599 assert (p <= pend);
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5600 if (p < pend)
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5601 {
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5602 boolean is_a_jump_n = false;
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5603
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5604 /* If failed to a backwards jump that's part of a repetition
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5605 loop, need to pop this failure point and use the next one. */
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5606 switch ((re_opcode_t) *p)
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5607 {
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5608 case jump_n:
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5609 is_a_jump_n = true;
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5610 case maybe_pop_jump:
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5611 case pop_failure_jump:
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5612 case jump:
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5613 p1 = p + 1;
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5614 EXTRACT_NUMBER_AND_INCR (mcnt, p1);
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5615 p1 += mcnt;
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5616
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5617 if ((is_a_jump_n && (re_opcode_t) *p1 == succeed_n)
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5618 \|\| (!is_a_jump_n
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5619 && (re_opcode_t) *p1 == on_failure_jump))
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5620 goto fail;
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5621 break;
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5622 default:
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5623 /* do nothing */ ;
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5624 }
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5625 }
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5626
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5627 if (d >= string1 && d <= end1)
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5628 dend = end_match_1;
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5629 }
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5630 else
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5631 break; /* Matching at this starting point really fails. */
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5632 } /* for (;;) */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5633
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5634 if (best_regs_set)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5635 goto restore_best_regs;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5636
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5637 FREE_VARIABLES ();
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5638
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5639 return -1; /* Failure to match. */
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5640 } /* re_match_2 */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5641
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5642 /* Subroutine definitions for re_match_2. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5643
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5644
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5645 /* We are passed P pointing to a register number after a start_memory.
515 69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	5646
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5647 Return true if the pattern up to the corresponding stop_memory can
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5648 match the empty string, and false otherwise.
515 69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	5649
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5650 If we find the matching stop_memory, sets P to point to one past its number.
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5651 Otherwise, sets P to an undefined byte less than or equal to END.
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5652
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5653 We don't handle duplicates properly (yet). */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5654
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5655 static boolean
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5656 group_match_null_string_p (p, end, reg_info)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5657 unsigned char *p, end;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5658 register_info_type *reg_info;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5659 {
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5660 int mcnt;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5661 /* Point to after the args to the start_memory. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5662 unsigned char p1 = p + 2;
515 69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	5663
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5664 while (p1 < end)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5665 {
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5666 /* Skip over opcodes that can match nothing, and return true or
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5667 false, as appropriate, when we get to one that can't, or to the
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5668 matching stop_memory. */
515 69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	5669
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5670 switch ((re_opcode_t) *p1)
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5671 {
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5672 /* Could be either a loop or a series of alternatives. */
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5673 case on_failure_jump:
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5674 p1++;
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5675 EXTRACT_NUMBER_AND_INCR (mcnt, p1);
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5676
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5677 /* If the next operation is not a jump backwards in the
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5678 pattern. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5679
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5680 if (mcnt >= 0)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5681 {
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5682 /* Go through the on_failure_jumps of the alternatives,
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5683 seeing if any of the alternatives cannot match nothing.
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5684 The last alternative starts with only a jump,
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5685 whereas the rest start with on_failure_jump and end
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5686 with a jump, e.g., here is the pattern for `a\|b\|c':
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5687
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5688 /on_failure_jump/0/6/exactn/1/a/jump_past_alt/0/6
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5689 /on_failure_jump/0/6/exactn/1/b/jump_past_alt/0/3
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5690 /exactn/1/c
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5691
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5692 So, we have to first go through the first (n-1)
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5693 alternatives and then deal with the last one separately. */
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5694
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5695
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5696 /* Deal with the first (n-1) alternatives, which start
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5697 with an on_failure_jump (see above) that jumps to right
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5698 past a jump_past_alt. */
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5699
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5700 while ((re_opcode_t) p1[mcnt-3] == jump_past_alt)
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5701 {
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5702 /* `mcnt' holds how many bytes long the alternative
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5703 is, including the ending `jump_past_alt' and
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5704 its number. */
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5705
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5706 if (!alt_match_null_string_p (p1, p1 + mcnt - 3,
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5707 reg_info))
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5708 return false;
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5709
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5710 /* Move to right after this alternative, including the
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5711 jump_past_alt. */
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5712 p1 += mcnt;
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5713
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5714 /* Break if it's the beginning of an n-th alternative
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5715 that doesn't begin with an on_failure_jump. */
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5716 if ((re_opcode_t) *p1 != on_failure_jump)
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5717 break;
515 69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	5718
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5719 /* Still have to check that it's not an n-th
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5720 alternative that starts with an on_failure_jump. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5721 p1++;
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5722 EXTRACT_NUMBER_AND_INCR (mcnt, p1);
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5723 if ((re_opcode_t) p1[mcnt-3] != jump_past_alt)
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5724 {
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5725 /* Get to the beginning of the n-th alternative. */
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5726 p1 -= 3;
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5727 break;
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5728 }
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5729 }
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5730
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5731 /* Deal with the last alternative: go back and get number
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5732 of the `jump_past_alt' just before it. `mcnt' contains
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5733 the length of the alternative. */
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5734 EXTRACT_NUMBER (mcnt, p1 - 2);
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5735
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5736 if (!alt_match_null_string_p (p1, p1 + mcnt, reg_info))
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5737 return false;
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5738
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5739 p1 += mcnt; /* Get past the n-th alternative. */
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5740 } /* if mcnt > 0 */
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5741 break;
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5742
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5743
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5744 case stop_memory:
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5745 assert (p1[1] == **p);
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5746 *p = p1 + 2;
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5747 return true;
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5748
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5749
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5750 default:
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5751 if (!common_op_match_null_string_p (&p1, end, reg_info))
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5752 return false;
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5753 }
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5754 } /* while p1 < end */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5755
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5756 return false;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5757 } /* group_match_null_string_p */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5758
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5759
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5760 /* Similar to group_match_null_string_p, but doesn't deal with alternatives:
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5761 It expects P to be the first byte of a single alternative and END one
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5762 byte past the last. The alternative can contain groups. */
515 69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	5763
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5764 static boolean
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5765 alt_match_null_string_p (p, end, reg_info)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5766 unsigned char p, end;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5767 register_info_type *reg_info;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5768 {
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5769 int mcnt;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5770 unsigned char *p1 = p;
515 69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	5771
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5772 while (p1 < end)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5773 {
515 69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	5774 /* Skip over opcodes that can match nothing, and break when we get
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5775 to one that can't. */
515 69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	5776
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5777 switch ((re_opcode_t) *p1)
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5778 {
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5779 /* It's a loop. */
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5780 case on_failure_jump:
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5781 p1++;
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5782 EXTRACT_NUMBER_AND_INCR (mcnt, p1);
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5783 p1 += mcnt;
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5784 break;
515 69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	5785
69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	5786 default:
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5787 if (!common_op_match_null_string_p (&p1, end, reg_info))
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5788 return false;
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5789 }
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5790 } /* while p1 < end */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5791
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5792 return true;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5793 } /* alt_match_null_string_p */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5794
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5795
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5796 /* Deals with the ops common to group_match_null_string_p and
515 69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	5797 alt_match_null_string_p.
69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	5798
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5799 Sets P to one after the op and its arguments, if any. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5800
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5801 static boolean
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5802 common_op_match_null_string_p (p, end, reg_info)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5803 unsigned char *p, end;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5804 register_info_type *reg_info;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5805 {
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5806 int mcnt;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5807 boolean ret;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5808 int reg_no;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5809 unsigned char p1 = p;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5810
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5811 switch ((re_opcode_t) *p1++)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5812 {
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5813 case no_op:
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5814 case begline:
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5815 case endline:
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5816 case begbuf:
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5817 case endbuf:
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5818 case wordbeg:
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5819 case wordend:
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5820 case wordbound:
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5821 case notwordbound:
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5822 #ifdef emacs
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5823 case before_dot:
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5824 case at_dot:
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5825 case after_dot:
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5826 #endif
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5827 break;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5828
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5829 case start_memory:
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5830 reg_no = *p1;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5831 assert (reg_no > 0 && reg_no <= MAX_REGNUM);
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5832 ret = group_match_null_string_p (&p1, end, reg_info);
515 69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	5833
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5834 /* Have to set this here in case we're checking a group which
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5835 contains a group and a back reference to it. */
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5836
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5837 if (REG_MATCH_NULL_STRING_P (reg_info[reg_no]) == MATCH_NULL_UNSET_VALUE)
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5838 REG_MATCH_NULL_STRING_P (reg_info[reg_no]) = ret;
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5839
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5840 if (!ret)
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5841 return false;
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5842 break;
515 69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	5843
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5844 /* If this is an optimized succeed_n for zero times, make the jump. */
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5845 case jump:
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5846 EXTRACT_NUMBER_AND_INCR (mcnt, p1);
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5847 if (mcnt >= 0)
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5848 p1 += mcnt;
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5849 else
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5850 return false;
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5851 break;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5852
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5853 case succeed_n:
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5854 /* Get to the number of times to succeed. */
515 69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	5855 p1 += 2;
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5856 EXTRACT_NUMBER_AND_INCR (mcnt, p1);
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5857
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5858 if (mcnt == 0)
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5859 {
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5860 p1 -= 4;
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5861 EXTRACT_NUMBER_AND_INCR (mcnt, p1);
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5862 p1 += mcnt;
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5863 }
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5864 else
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5865 return false;
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5866 break;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5867
515 69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	5868 case duplicate:
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5869 if (!REG_MATCH_NULL_STRING_P (reg_info[*p1]))
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5870 return false;
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5871 break;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5872
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5873 case set_number_at:
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5874 p1 += 4;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5875
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5876 default:
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5877 /* All other opcodes mean we cannot match the empty string. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5878 return false;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5879 }
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5880
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5881 *p = p1;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5882 return true;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5883 } /* common_op_match_null_string_p */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5884
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5885
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5886 /* Return zero if TRANSLATE[S1] and TRANSLATE[S2] are identical for LEN
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5887 bytes; nonzero otherwise. */
515 69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	5888
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5889 static int
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5890 bcmp_translate (s1, s2, len, translate)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5891 unsigned char s1, s2;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5892 register int len;
501 f29b13c2cefd (TRANSLATE, PATFETCH): Cast elt of `translate'. Richard Stallman <rms@gnu.org> parents: 490 diff changeset	5893 RE_TRANSLATE_TYPE translate;
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5894 {
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5895 register unsigned char p1 = s1, p2 = s2;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5896 while (len)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5897 {
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5898 if (translate[p1++] != translate[p2++]) return 1;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5899 len--;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5900 }
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5901 return 0;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5902 }
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5903
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5904 /* Entry points for GNU code. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5905
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5906 /* re_compile_pattern is the GNU regular expression compiler: it
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5907 compiles PATTERN (of length SIZE) and puts the result in BUFP.
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5908 Returns 0 if the pattern was valid, otherwise an error string.
515 69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	5909
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5910 Assumes the `allocated' (and perhaps `buffer') and `translate' fields
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5911 are set in BUFP on entry.
515 69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	5912
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5913 We call regex_compile to do the actual compilation. */
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5914
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5915 const char *
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5916 re_compile_pattern (pattern, length, bufp)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5917 const char *pattern;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5918 int length;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5919 struct re_pattern_buffer *bufp;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5920 {
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5921 reg_errcode_t ret;
515 69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	5922
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5923 /* GNU code is written to assume at least RE_NREGS registers will be set
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5924 (and at least one extra will be -1). */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5925 bufp->regs_allocated = REGS_UNALLOCATED;
515 69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	5926
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5927 /* And GNU code determines whether or not to get register information
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5928 by passing null for the REGS argument to re_match, etc., not by
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5929 setting no_sub. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5930 bufp->no_sub = 0;
515 69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	5931
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5932 /* Match anchors at newline. */
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5933 bufp->newline_anchor = 1;
515 69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	5934
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5935 ret = regex_compile (pattern, length, re_syntax_options, bufp);
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5936
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5937 if (!ret)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5938 return NULL;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5939 return gettext (re_error_msgid[(int) ret]);
515 69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	5940 }
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5941
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5942 /* Entry points compatible with 4.2 BSD regex library. We don't define
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5943 them unless specifically requested. */
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5944
622 152fc00ed9b5 Tue May 21 19:18:05 1996 Roland McGrath <roland@delasyd.gnu.ai.mit.edu> Roland McGrath <roland@gnu.org> parents: 607 diff changeset	5945 #if defined (_REGEX_RE_COMP) \|\| defined (_LIBC)
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5946
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5947 /* BSD has one and only one pattern buffer. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5948 static struct re_pattern_buffer re_comp_buf;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5949
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5950 char *
636 ddd029a89661 [_LIBC] (re_comp, re_exec): Use `weak_function' keyword in defn instead of Roland McGrath <roland@gnu.org> parents: 631 diff changeset	5951 #ifdef _LIBC
ddd029a89661 [_LIBC] (re_comp, re_exec): Use `weak_function' keyword in defn instead of Roland McGrath <roland@gnu.org> parents: 631 diff changeset	5952 /* Make these definitions weak in libc, so POSIX programs can redefine
ddd029a89661 [_LIBC] (re_comp, re_exec): Use `weak_function' keyword in defn instead of Roland McGrath <roland@gnu.org> parents: 631 diff changeset	5953 these names if they don't use our functions, and still use
ddd029a89661 [_LIBC] (re_comp, re_exec): Use `weak_function' keyword in defn instead of Roland McGrath <roland@gnu.org> parents: 631 diff changeset	5954 regcomp/regexec below without link errors. */
ddd029a89661 [_LIBC] (re_comp, re_exec): Use `weak_function' keyword in defn instead of Roland McGrath <roland@gnu.org> parents: 631 diff changeset	5955 weak_function
ddd029a89661 [_LIBC] (re_comp, re_exec): Use `weak_function' keyword in defn instead of Roland McGrath <roland@gnu.org> parents: 631 diff changeset	5956 #endif
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5957 re_comp (s)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5958 const char *s;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5959 {
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5960 reg_errcode_t ret;
515 69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	5961
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5962 if (!s)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5963 {
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5964 if (!re_comp_buf.buffer)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5965 return gettext ("No previous regular expression");
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5966 return 0;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5967 }
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5968
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5969 if (!re_comp_buf.buffer)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5970 {
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5971 re_comp_buf.buffer = (unsigned char *) malloc (200);
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5972 if (re_comp_buf.buffer == NULL)
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5973 return gettext (re_error_msgid[(int) REG_ESPACE]);
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5974 re_comp_buf.allocated = 200;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5975
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5976 re_comp_buf.fastmap = (char *) malloc (1 << BYTEWIDTH);
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5977 if (re_comp_buf.fastmap == NULL)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5978 return gettext (re_error_msgid[(int) REG_ESPACE]);
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5979 }
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5980
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5981 /* Since `re_exec' always passes NULL for the `regs' argument, we
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5982 don't need to initialize the pattern buffer fields which affect it. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5983
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	5984 /* Match anchors at newlines. */
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5985 re_comp_buf.newline_anchor = 1;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5986
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5987 ret = regex_compile (s, strlen (s), re_syntax_options, &re_comp_buf);
515 69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	5988
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5989 if (!ret)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5990 return NULL;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5991
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5992 /* Yes, we're discarding `const' here if !HAVE_LIBINTL. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5993 return (char *) gettext (re_error_msgid[(int) ret]);
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5994 }
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5995
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5996
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	5997 int
636 ddd029a89661 [_LIBC] (re_comp, re_exec): Use `weak_function' keyword in defn instead of Roland McGrath <roland@gnu.org> parents: 631 diff changeset	5998 #ifdef _LIBC
ddd029a89661 [_LIBC] (re_comp, re_exec): Use `weak_function' keyword in defn instead of Roland McGrath <roland@gnu.org> parents: 631 diff changeset	5999 weak_function
ddd029a89661 [_LIBC] (re_comp, re_exec): Use `weak_function' keyword in defn instead of Roland McGrath <roland@gnu.org> parents: 631 diff changeset	6000 #endif
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6001 re_exec (s)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6002 const char *s;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6003 {
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6004 const int len = strlen (s);
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6005 return
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6006 0 <= re_search (&re_comp_buf, s, len, 0, len, (struct re_registers *) 0);
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6007 }
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6008 #endif /* _REGEX_RE_COMP */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6009
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6010 /* POSIX.2 functions. Don't define these for Emacs. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6011
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6012 #ifndef emacs
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6013
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6014 /* regcomp takes a regular expression as a string and compiles it.
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6015
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	6016 PREG is a regex_t *. We do not expect any fields to be initialized,
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6017 since POSIX says we shouldn't. Thus, we set
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6018
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6019 `buffer' to the compiled pattern;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6020 `used' to the length of the compiled pattern;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6021 `syntax' to RE_SYNTAX_POSIX_EXTENDED if the
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6022 REG_EXTENDED bit in CFLAGS is set; otherwise, to
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6023 RE_SYNTAX_POSIX_BASIC;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6024 `newline_anchor' to REG_NEWLINE being set in CFLAGS;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6025 `fastmap' and `fastmap_accurate' to zero;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6026 `re_nsub' to the number of subexpressions in PATTERN.
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6027
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6028 PATTERN is the address of the pattern string.
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6029
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6030 CFLAGS is a series of bits which affect compilation.
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6031
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6032 If REG_EXTENDED is set, we use POSIX extended syntax; otherwise, we
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6033 use POSIX basic syntax.
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6034
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6035 If REG_NEWLINE is set, then . and [^...] don't match newline.
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6036 Also, regexec will try a match beginning after every newline.
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6037
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6038 If REG_ICASE is set, then we considers upper- and lowercase
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6039 versions of letters to be equivalent when matching.
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6040
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6041 If REG_NOSUB is set, then when PREG is passed to regexec, that
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6042 routine will report only success or failure, and nothing about the
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6043 registers.
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6044
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	6045 It returns 0 if it succeeds, nonzero if it doesn't. (See regex.h for
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6046 the return codes and their meanings.) */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6047
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6048 int
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6049 regcomp (preg, pattern, cflags)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6050 regex_t *preg;
515 69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	6051 const char *pattern;
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6052 int cflags;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6053 {
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6054 reg_errcode_t ret;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6055 unsigned syntax
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6056 = (cflags & REG_EXTENDED) ?
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6057 RE_SYNTAX_POSIX_EXTENDED : RE_SYNTAX_POSIX_BASIC;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6058
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6059 /* regex_compile will allocate the space for the compiled pattern. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6060 preg->buffer = 0;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6061 preg->allocated = 0;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6062 preg->used = 0;
515 69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	6063
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6064 /* Don't bother to use a fastmap when searching. This simplifies the
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6065 REG_NEWLINE case: if we used a fastmap, we'd have to put all the
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6066 characters after newlines into the fastmap. This way, we just try
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6067 every character. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6068 preg->fastmap = 0;
515 69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	6069
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6070 if (cflags & REG_ICASE)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6071 {
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6072 unsigned i;
515 69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	6073
501 f29b13c2cefd (TRANSLATE, PATFETCH): Cast elt of `translate'. Richard Stallman <rms@gnu.org> parents: 490 diff changeset	6074 preg->translate
f29b13c2cefd (TRANSLATE, PATFETCH): Cast elt of `translate'. Richard Stallman <rms@gnu.org> parents: 490 diff changeset	6075 = (RE_TRANSLATE_TYPE) malloc (CHAR_SET_SIZE
f29b13c2cefd (TRANSLATE, PATFETCH): Cast elt of `translate'. Richard Stallman <rms@gnu.org> parents: 490 diff changeset	6076 * sizeof (*(RE_TRANSLATE_TYPE)0));
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6077 if (preg->translate == NULL)
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	6078 return (int) REG_ESPACE;
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6079
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6080 /* Map uppercase characters to corresponding lowercase ones. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6081 for (i = 0; i < CHAR_SET_SIZE; i++)
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	6082 preg->translate[i] = ISUPPER (i) ? tolower (i) : i;
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6083 }
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6084 else
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6085 preg->translate = NULL;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6086
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6087 /* If REG_NEWLINE is set, newlines are treated differently. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6088 if (cflags & REG_NEWLINE)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6089 { /* REG_NEWLINE implies neither . nor [^...] match newline. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6090 syntax &= ~RE_DOT_NEWLINE;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6091 syntax \|= RE_HAT_LISTS_NOT_NEWLINE;
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	6092 /* It also changes the matching behavior. */
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6093 preg->newline_anchor = 1;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6094 }
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6095 else
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6096 preg->newline_anchor = 0;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6097
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6098 preg->no_sub = !!(cflags & REG_NOSUB);
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6099
515 69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	6100 /* POSIX says a null character in the pattern terminates it, so we
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6101 can use strlen here in compiling the pattern. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6102 ret = regex_compile (pattern, strlen (pattern), syntax, preg);
515 69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	6103
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6104 /* POSIX doesn't distinguish between an unmatched open-group and an
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6105 unmatched close-group: both are REG_EPAREN. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6106 if (ret == REG_ERPAREN) ret = REG_EPAREN;
515 69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	6107
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6108 return (int) ret;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6109 }
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6110
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6111
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6112 /* regexec searches for a given pattern, specified by PREG, in the
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6113 string STRING.
515 69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	6114
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6115 If NMATCH is zero or REG_NOSUB was set in the cflags argument to
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	6116 `regcomp', we ignore PMATCH. Otherwise, we assume PMATCH has at
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6117 least NMATCH elements, and we set them to the offsets of the
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6118 corresponding matched substrings.
515 69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	6119
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6120 EFLAGS specifies `execution flags' which affect matching: if
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6121 REG_NOTBOL is set, then ^ does not match at the beginning of the
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6122 string; if REG_NOTEOL is set, then $ does not match at the end.
515 69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	6123
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6124 We return 0 if we find a match and REG_NOMATCH if not. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6125
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6126 int
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6127 regexec (preg, string, nmatch, pmatch, eflags)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6128 const regex_t *preg;
515 69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	6129 const char *string;
69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	6130 size_t nmatch;
69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	6131 regmatch_t pmatch[];
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6132 int eflags;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6133 {
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6134 int ret;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6135 struct re_registers regs;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6136 regex_t private_preg;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6137 int len = strlen (string);
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6138 boolean want_reg_info = !preg->no_sub && nmatch > 0;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6139
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6140 private_preg = *preg;
515 69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	6141
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6142 private_preg.not_bol = !!(eflags & REG_NOTBOL);
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6143 private_preg.not_eol = !!(eflags & REG_NOTEOL);
515 69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	6144
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6145 /* The user has told us exactly how many registers to return
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6146 information about, via `nmatch'. We have to pass that on to the
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	6147 matching routines. */
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6148 private_preg.regs_allocated = REGS_FIXED;
515 69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	6149
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6150 if (want_reg_info)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6151 {
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6152 regs.num_regs = nmatch;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6153 regs.start = TALLOC (nmatch, regoff_t);
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6154 regs.end = TALLOC (nmatch, regoff_t);
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6155 if (regs.start == NULL \|\| regs.end == NULL)
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	6156 return (int) REG_NOMATCH;
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6157 }
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6158
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6159 /* Perform the searching operation. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6160 ret = re_search (&private_preg, string, len,
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	6161 /* start: / 0, / range: */ len,
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	6162 want_reg_info ? &regs : (struct re_registers *) 0);
515 69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	6163
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6164 /* Copy the register information to the POSIX structure. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6165 if (want_reg_info)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6166 {
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6167 if (ret >= 0)
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	6168 {
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	6169 unsigned r;
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	6170
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	6171 for (r = 0; r < nmatch; r++)
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	6172 {
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	6173 pmatch[r].rm_so = regs.start[r];
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	6174 pmatch[r].rm_eo = regs.end[r];
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	6175 }
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	6176 }
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	6177
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	6178 /* If we needed the temporary register info, free the space now. */
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6179 free (regs.start);
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6180 free (regs.end);
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6181 }
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6182
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6183 /* We want zero return to mean success, unlike `re_search'. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6184 return ret >= 0 ? (int) REG_NOERROR : (int) REG_NOMATCH;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6185 }
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6186
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6187
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6188 /* Returns a message corresponding to an error code, ERRCODE, returned
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6189 from either regcomp or regexec. We don't use PREG here. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6190
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6191 size_t
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6192 regerror (errcode, preg, errbuf, errbuf_size)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6193 int errcode;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6194 const regex_t *preg;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6195 char *errbuf;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6196 size_t errbuf_size;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6197 {
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6198 const char *msg;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6199 size_t msg_size;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6200
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6201 if (errcode < 0
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6202 \|\| errcode >= (sizeof (re_error_msgid) / sizeof (re_error_msgid[0])))
515 69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	6203 /* Only error codes returned by the rest of the code should be passed
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	6204 to this routine. If we are given anything else, or if other regex
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6205 code generates an invalid error code, then the program has a bug.
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6206 Dump core so we can fix it. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6207 abort ();
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6208
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6209 msg = gettext (re_error_msgid[errcode]);
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6210
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6211 msg_size = strlen (msg) + 1; /* Includes the null. */
515 69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	6212
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6213 if (errbuf_size != 0)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6214 {
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6215 if (msg_size > errbuf_size)
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	6216 {
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	6217 strncpy (errbuf, msg, errbuf_size - 1);
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	6218 errbuf[errbuf_size - 1] = 0;
ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	6219 }
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6220 else
939 ace17b6e9d29 (PTR_TO_OFFSET): New macro. Richard Stallman <rms@gnu.org> parents: 786 diff changeset	6221 strcpy (errbuf, msg);
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6222 }
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6223
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6224 return msg_size;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6225 }
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6226
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6227
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6228 /* Free dynamically allocated space used by PREG. */
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6229
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6230 void
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6231 regfree (preg)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6232 regex_t *preg;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6233 {
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6234 if (preg->buffer != NULL)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6235 free (preg->buffer);
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6236 preg->buffer = NULL;
515 69ba3b63e1d1 (gettext_noop): New macro, identity fn. Roland McGrath <roland@gnu.org> parents: 511 diff changeset	6237
441 403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6238 preg->allocated = 0;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6239 preg->used = 0;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6240
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6241 if (preg->fastmap != NULL)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6242 free (preg->fastmap);
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6243 preg->fastmap = NULL;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6244 preg->fastmap_accurate = 0;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6245
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6246 if (preg->translate != NULL)
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6247 free (preg->translate);
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6248 preg->translate = NULL;
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6249 }
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6250
403b2dfdfa0b Add `#ifdef _LIBC' in a few places, so this can be compiled in libc. Roland McGrath <roland@gnu.org> parents: 438 diff changeset	6251 #endif /* not emacs */

Mercurial > gnulib

annotate regex.c @ 961:6959c7741ed2