octave: libinterp/corefcn/input.cc annotate

annotate libinterp/corefcn/input.cc @ 26193:9aff537a5704

* input.cc (looks_like_struct): Delete obsolete commented code.

author	John W. Eaton <jwe@octave.org>
date	Mon, 10 Dec 2018 16:33:48 -0500
parents	8a15f3bace49
children	d527c6111425

rev	line source
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	1 /*
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	2
25054 6652d3823428 maint: Update copyright dates in all source files. John W. Eaton <jwe@octave.org> parents: 25034 diff changeset	3 Copyright (C) 1993-2018 John W. Eaton
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	4
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	5 This file is part of Octave.
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	6
24534 194eb4bd202b maint: Update punctuation for GPL v3 license text. Rik <rik@octave.org> parents: 24362 diff changeset	7 Octave is free software: you can redistribute it and/or modify it
22755 3a2b891d0b33 maint: Standardize Copyright formatting. Rik <rik@octave.org> parents: 22407 diff changeset	8 under the terms of the GNU General Public License as published by
24534 194eb4bd202b maint: Update punctuation for GPL v3 license text. Rik <rik@octave.org> parents: 24362 diff changeset	9 the Free Software Foundation, either version 3 of the License, or
22755 3a2b891d0b33 maint: Standardize Copyright formatting. Rik <rik@octave.org> parents: 22407 diff changeset	10 (at your option) any later version.
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	11
22755 3a2b891d0b33 maint: Standardize Copyright formatting. Rik <rik@octave.org> parents: 22407 diff changeset	12 Octave is distributed in the hope that it will be useful, but
3a2b891d0b33 maint: Standardize Copyright formatting. Rik <rik@octave.org> parents: 22407 diff changeset	13 WITHOUT ANY WARRANTY; without even the implied warranty of
3a2b891d0b33 maint: Standardize Copyright formatting. Rik <rik@octave.org> parents: 22407 diff changeset	14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
3a2b891d0b33 maint: Standardize Copyright formatting. Rik <rik@octave.org> parents: 22407 diff changeset	15 GNU General Public License for more details.
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	16
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	17 You should have received a copy of the GNU General Public License
7016 93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 7007 diff changeset	18 along with Octave; see the file COPYING. If not, see
24534 194eb4bd202b maint: Update punctuation for GPL v3 license text. Rik <rik@octave.org> parents: 24362 diff changeset	19 <https://www.gnu.org/licenses/>.
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	20
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	21 */
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	22
2939 f2feebf0eb7d [project @ 1997-05-06 16:36:34 by jwe] jwe parents: 2927 diff changeset	23 // Get command input interactively or from files.
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	24
21724 aba2e6293dd8 use "#if ..." consistently instead of "#ifdef" and "#ifndef" John W. Eaton <jwe@octave.org> parents: 21547 diff changeset	25 #if defined (HAVE_CONFIG_H)
21301 40de9f8f23a6 Use '#include "config.h"' rather than <config.h>. Rik <rik@octave.org> parents: 21200 diff changeset	26 # include "config.h"
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	27 #endif
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	28
10463 bbe99b2a5ba7 undo recent gnulib-related changes John W. Eaton <jwe@octave.org> parents: 10447 diff changeset	29 #include <cstdio>
1343 94bedeb289e5 [project @ 1995-09-04 00:29:21 by jwe] jwe parents: 1315 diff changeset	30 #include <cstdlib>
94bedeb289e5 [project @ 1995-09-04 00:29:21 by jwe] jwe parents: 1315 diff changeset	31 #include <cstring>
94bedeb289e5 [project @ 1995-09-04 00:29:21 by jwe] jwe parents: 1315 diff changeset	32 #include <cassert>
94bedeb289e5 [project @ 1995-09-04 00:29:21 by jwe] jwe parents: 1315 diff changeset	33
3503 d14c483b3c12 [project @ 2000-02-01 04:06:07 by jwe] jwe parents: 3498 diff changeset	34 #include <iostream>
5765 7ba9ad1fec11 [project @ 2006-04-17 05:05:15 by jwe] jwe parents: 5744 diff changeset	35 #include <sstream>
1728 42b4f904f1af [project @ 1996-01-09 11:36:01 by jwe] jwe parents: 1705 diff changeset	36 #include <string>
42b4f904f1af [project @ 1996-01-09 11:36:01 by jwe] jwe parents: 1705 diff changeset	37
2927 8722c6284b72 [project @ 1997-05-05 03:44:04 by jwe] jwe parents: 2921 diff changeset	38 #include "cmd-edit.h"
3189 bef7b73c0724 [project @ 1998-10-16 18:05:26 by jwe] jwe parents: 3180 diff changeset	39 #include "file-ops.h"
25361 82445187633e Add support for arbitrary character encodings in m-files (bug #53842). Markus Mützel <markus.muetzel@gmx.de> parents: 25054 diff changeset	40 #include "iconv-wrappers.h"
82445187633e Add support for arbitrary character encodings in m-files (bug #53842). Markus Mützel <markus.muetzel@gmx.de> parents: 25054 diff changeset	41 #include "localcharset-wrapper.h"
4153 6b96ce9f5743 [project @ 2002-11-06 20:38:49 by jwe] jwe parents: 4143 diff changeset	42 #include "quit.h"
1755 3a9462b655f1 [project @ 1996-01-22 04:47:22 by jwe] jwe parents: 1750 diff changeset	43 #include "str-vec.h"
25361 82445187633e Add support for arbitrary character encodings in m-files (bug #53842). Markus Mützel <markus.muetzel@gmx.de> parents: 25054 diff changeset	44 #include "uniconv-wrappers.h"
1755 3a9462b655f1 [project @ 1996-01-22 04:47:22 by jwe] jwe parents: 1750 diff changeset	45
23129 35e3d199527c Replace feval calls with direct call to C++ function (bug #50116). Rik <rik@octave.org> parents: 23127 diff changeset	46 #include "builtin-defun-decls.h"
22091 0f6fc2ec3b1a move call_stack class to a separate file John W. Eaton <jwe@octave.org> parents: 22089 diff changeset	47 #include "call-stack.h"
1352 19c10b8657d5 [project @ 1995-09-05 08:11:57 by jwe] jwe parents: 1350 diff changeset	48 #include "defun.h"
19c10b8657d5 [project @ 1995-09-05 08:11:57 by jwe] jwe parents: 1350 diff changeset	49 #include "dirfns.h"
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	50 #include "error.h"
21100 e39e05d90788 Switch gripe_XXX to either err_XXX or warn_XXX naming scheme. Rik <rik@octave.org> parents: 21078 diff changeset	51 #include "errwarn.h"
3016 f512c16826d1 [project @ 1997-06-03 03:16:13 by jwe] jwe parents: 3014 diff changeset	52 #include "help.h"
16381 f33dcbd6a005 move hook_function classes to separate file John W. Eaton <jwe@octave.org> parents: 16378 diff changeset	53 #include "hook-fcn.h"
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	54 #include "input.h"
23438 d24d01273bd0 eliminate load-path singleton John W. Eaton <jwe@octave.org> parents: 23433 diff changeset	55 #include "interpreter-private.h"
22094 9203833cab7d move new interpreter class to separate file John W. Eaton <jwe@octave.org> parents: 22091 diff changeset	56 #include "interpreter.h"
9999 653716f3d976 get_debug_input: force interactive input mode; don't get user input unless stdin is a tty John W. Eaton <jwe@octave.org> parents: 9485 diff changeset	57 #include "lex.h"
5832 5e41e06f6a78 [project @ 2006-05-26 21:41:32 by jwe] jwe parents: 5823 diff changeset	58 #include "load-path.h"
22089 c2c668b3051b use classes for octave application and interpreter John W. Eaton <jwe@octave.org> parents: 22051 diff changeset	59 #include "octave.h"
16416 169f71c9d9c8 use octave_link instead of hook functions in input.cc John W. Eaton <jwe@octave.org> parents: 16395 diff changeset	60 #include "octave-link.h"
1352 19c10b8657d5 [project @ 1995-09-05 08:11:57 by jwe] jwe parents: 1350 diff changeset	61 #include "oct-map.h"
1742 a02f140ed897 [project @ 1996-01-12 11:09:39 by jwe] jwe parents: 1728 diff changeset	62 #include "oct-hist.h"
22094 9203833cab7d move new interpreter class to separate file John W. Eaton <jwe@octave.org> parents: 22091 diff changeset	63 #include "interpreter.h"
16528 9bc1f8278966 allow GUI to customize prompts at startup John W. Eaton <jwe@octave.org> parents: 16524 diff changeset	64 #include "octave-link.h"
20940 48b2ad5ee801 maint: Rename oct-obj.[cc\|h] to ovl.[cc\|h] for clarity. Rik <rik@octave.org> parents: 20939 diff changeset	65 #include "ovl.h"
16347 bf8397caeff1 allow add_input_event_hook to accept function handles John W. Eaton <jwe@octave.org> parents: 16336 diff changeset	66 #include "ov-fcn-handle.h"
23127 5a91168a30be avoid including parse tree headers in other header files unnecessarily John W. Eaton <jwe@octave.org> parents: 23111 diff changeset	67 #include "ov-usr-fcn.h"
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	68 #include "pager.h"
529 7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe] jwe parents: 339 diff changeset	69 #include "parse.h"
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: 8503 diff changeset	70 #include "pt-eval.h"
3805 44386b0e53da [project @ 2001-03-01 16:54:31 by jwe] jwe parents: 3804 diff changeset	71 #include "pt-stmt.h"
1352 19c10b8657d5 [project @ 1995-09-05 08:11:57 by jwe] jwe parents: 1350 diff changeset	72 #include "sighandlers.h"
1114 971f2289d6de [project @ 1995-02-15 04:58:06 by jwe] jwe parents: 1112 diff changeset	73 #include "sysdep.h"
22094 9203833cab7d move new interpreter class to separate file John W. Eaton <jwe@octave.org> parents: 22091 diff changeset	74 #include "interpreter.h"
3098 f4acdc9a77cc [project @ 1997-11-14 09:30:20 by jwe] jwe parents: 3081 diff changeset	75 #include "unwind-prot.h"
1352 19c10b8657d5 [project @ 1995-09-05 08:11:57 by jwe] jwe parents: 1350 diff changeset	76 #include "utils.h"
19c10b8657d5 [project @ 1995-09-05 08:11:57 by jwe] jwe parents: 1350 diff changeset	77 #include "variables.h"
529 7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe] jwe parents: 339 diff changeset	78
3165 e4bbfc196e53 [project @ 1998-04-16 03:01:47 by jwe] jwe parents: 3100 diff changeset	79 // The time we last printed a prompt.
21730 30c53770f47e use namespace for system time classes John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	80 octave::sys::time Vlast_prompt_time = 0.0;
3165 e4bbfc196e53 [project @ 1998-04-16 03:01:47 by jwe] jwe parents: 3100 diff changeset	81
3804 4073be5aefa1 [project @ 2001-02-28 08:36:04 by jwe] jwe parents: 3772 diff changeset	82 // TRUE after a call to completion_matches.
2299 f296bbc757a1 [project @ 1996-06-23 03:45:44 by jwe] jwe parents: 2287 diff changeset	83 bool octave_completion_matches_called = false;
f296bbc757a1 [project @ 1996-06-23 03:45:44 by jwe] jwe parents: 2287 diff changeset	84
6257 44c91c5dfe1d [project @ 2007-01-30 19:16:52 by jwe] jwe parents: 6206 diff changeset	85 // TRUE if the plotting system has requested a call to drawnow at
44c91c5dfe1d [project @ 2007-01-30 19:16:52 by jwe] jwe parents: 6206 diff changeset	86 // the next user prompt.
7409 73036cdd855d [project @ 2008-01-22 20:31:59 by jwe] jwe parents: 7336 diff changeset	87 bool Vdrawnow_requested = false;
6257 44c91c5dfe1d [project @ 2007-01-30 19:16:52 by jwe] jwe parents: 6206 diff changeset	88
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7734 diff changeset	89 // TRUE if we are in debugging mode.
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7734 diff changeset	90 bool Vdebugging = false;
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7734 diff changeset	91
22164 5d4a286061c8 Track line numbers when in debug mode (bug #45764) Lachlan Andrew <lachlanbis@gmail.com> parents: 22094 diff changeset	92 // TRUE if we are recording line numbers in a source file.
5d4a286061c8 Track line numbers when in debug mode (bug #45764) Lachlan Andrew <lachlanbis@gmail.com> parents: 22094 diff changeset	93 // Always true except when debugging and taking input directly from
5d4a286061c8 Track line numbers when in debug mode (bug #45764) Lachlan Andrew <lachlanbis@gmail.com> parents: 22094 diff changeset	94 // the terminal.
5d4a286061c8 Track line numbers when in debug mode (bug #45764) Lachlan Andrew <lachlanbis@gmail.com> parents: 22094 diff changeset	95 bool Vtrack_line_num = true;
5d4a286061c8 Track line numbers when in debug mode (bug #45764) Lachlan Andrew <lachlanbis@gmail.com> parents: 22094 diff changeset	96
25407 ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	97 static std::string
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	98 quoting_filename (const std::string& text, int, char quote)
16349 610617eb84d1 provide pre- and post-input hook functions John W. Eaton <jwe@octave.org> parents: 16347 diff changeset	99 {
25407 ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	100 if (quote)
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	101 return text;
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	102 else
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	103 return ("'" + text);
16349 610617eb84d1 provide pre- and post-input hook functions John W. Eaton <jwe@octave.org> parents: 16347 diff changeset	104 }
8841 c74389115610 auto repeat for debugging commands John W. Eaton <jwe@octave.org> parents: 8749 diff changeset	105
25407 ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	106 // Try to parse a partial command line in reverse, excluding trailing TEXT.
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	107 // If it appears a variable has been indexed by () or {},
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	108 // return that expression,
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	109 // to allow autocomplete of field names of arrays of structures.
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	110 static std::string
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	111 find_indexed_expression (const std::string& text)
16528 9bc1f8278966 allow GUI to customize prompts at startup John W. Eaton <jwe@octave.org> parents: 16524 diff changeset	112 {
25407 ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	113 std::string line = octave::command_editor::get_line_buffer ();
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	114
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	115 int pos = line.length () - text.length ();
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	116 int curly_count = 0;
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	117 int paren_count = 0;
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	118
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	119 int last = --pos;
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	120
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	121 while (pos >= 0 && (line[pos] == ')' \|\| line[pos] == '}'))
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	122 {
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	123 if (line[pos] == ')')
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	124 paren_count++;
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	125 else if (line[pos] == '}')
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	126 curly_count++;
7294 fb902b3b2a5d [project @ 2007-12-11 18:55:46 by jwe] jwe parents: 7097 diff changeset	127
25407 ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	128 while (curly_count + paren_count > 0 && --pos >= 0)
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	129 {
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	130 if (line[pos] == ')')
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	131 paren_count++;
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	132 else if (line[pos] == '(')
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	133 paren_count--;
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	134 else if (line[pos] == '}')
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	135 curly_count++;
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	136 else if (line[pos] == '{')
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	137 curly_count--;
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	138 }
16528 9bc1f8278966 allow GUI to customize prompts at startup John W. Eaton <jwe@octave.org> parents: 16524 diff changeset	139
25407 ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	140 while (--pos >= 0 && line[pos] == ' ')
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	141 ;
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	142 }
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	143
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	144 while (pos >= 0 && (isalnum (line[pos]) \|\| line[pos] == '_'))
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	145 pos--;
16349 610617eb84d1 provide pre- and post-input hook functions John W. Eaton <jwe@octave.org> parents: 16347 diff changeset	146
25407 ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	147 if (++pos >= 0)
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	148 return (line.substr (pos, last + 1 - pos));
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	149 else
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	150 return std::string ();
16528 9bc1f8278966 allow GUI to customize prompts at startup John W. Eaton <jwe@octave.org> parents: 16524 diff changeset	151 }
9bc1f8278966 allow GUI to customize prompts at startup John W. Eaton <jwe@octave.org> parents: 16524 diff changeset	152
25407 ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	153 static inline bool
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	154 is_variable (octave::symbol_table& symtab, const std::string& name)
16349 610617eb84d1 provide pre- and post-input hook functions John W. Eaton <jwe@octave.org> parents: 16347 diff changeset	155 {
25407 ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	156 bool retval = false;
5142 0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5092 diff changeset	157
25407 ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	158 if (! name.empty ())
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	159 {
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	160 octave::symbol_scope scope = symtab.current_scope ();
16097 2f4fa62089b3 improve end of file handling for lexer input John W. Eaton <jwe@octave.org> parents: 16053 diff changeset	161
25407 ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	162 octave_value val = scope ? scope.varval (name) : octave_value ();
19595 be7ac98fab43 strip trailing whitespace from most source files John W. Eaton <jwe@octave.org> parents: 19379 diff changeset	163
25407 ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	164 retval = val.is_defined ();
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	165 }
1822 3a47ca3dd227 [project @ 1996-02-01 08:06:35 by jwe] jwe parents: 1799 diff changeset	166
3a47ca3dd227 [project @ 1996-02-01 08:06:35 by jwe] jwe parents: 1799 diff changeset	167 return retval;
16349 610617eb84d1 provide pre- and post-input hook functions John W. Eaton <jwe@octave.org> parents: 16347 diff changeset	168 }
610617eb84d1 provide pre- and post-input hook functions John W. Eaton <jwe@octave.org> parents: 16347 diff changeset	169
25407 ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	170 static string_vector
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	171 generate_struct_completions (const std::string& text,
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	172 std::string& prefix, std::string& hint)
16528 9bc1f8278966 allow GUI to customize prompts at startup John W. Eaton <jwe@octave.org> parents: 16524 diff changeset	173 {
25407 ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	174 string_vector names;
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	175
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	176 size_t pos = text.rfind ('.');
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	177 bool array = false;
6257 44c91c5dfe1d [project @ 2007-01-30 19:16:52 by jwe] jwe parents: 6206 diff changeset	178
25407 ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	179 if (pos != std::string::npos)
6257 44c91c5dfe1d [project @ 2007-01-30 19:16:52 by jwe] jwe parents: 6206 diff changeset	180 {
25407 ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	181 if (pos == text.length ())
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	182 hint = "";
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	183 else
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	184 hint = text.substr (pos+1);
20743 b6408331bfa2 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20741 diff changeset	185
25407 ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	186 prefix = text.substr (0, pos);
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	187
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	188 if (prefix == "")
20743 b6408331bfa2 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20741 diff changeset	189 {
25407 ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	190 array = true;
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	191 prefix = find_indexed_expression (text);
20743 b6408331bfa2 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20741 diff changeset	192 }
6257 44c91c5dfe1d [project @ 2007-01-30 19:16:52 by jwe] jwe parents: 6206 diff changeset	193
25407 ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	194 std::string base_name = prefix;
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	195
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	196 pos = base_name.find_first_of ("{(. ");
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	197
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	198 if (pos != std::string::npos)
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	199 base_name = base_name.substr (0, pos);
6367 268bfc8a2755 [project @ 2007-02-28 20:16:05 by jwe] jwe parents: 6317 diff changeset	200
26113 8a15f3bace49 move eval_string inside interpreter/evaluator class John W. Eaton <jwe@octave.org> parents: 26062 diff changeset	201 octave::interpreter& interp
8a15f3bace49 move eval_string inside interpreter/evaluator class John W. Eaton <jwe@octave.org> parents: 26062 diff changeset	202 = octave::__get_interpreter__ ("generate_struct_completions");
8a15f3bace49 move eval_string inside interpreter/evaluator class John W. Eaton <jwe@octave.org> parents: 26062 diff changeset	203
8a15f3bace49 move eval_string inside interpreter/evaluator class John W. Eaton <jwe@octave.org> parents: 26062 diff changeset	204 octave::symbol_table& symtab = interp.get_symbol_table ();
25407 ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	205
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	206 if (is_variable (symtab, base_name))
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	207 {
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	208 int parse_status;
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	209
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	210 octave::unwind_protect frame;
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	211
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	212 frame.protect_var (discard_error_messages);
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	213 frame.protect_var (discard_warning_messages);
6305 48f8af442b8a [project @ 2007-02-14 22:16:53 by jwe] jwe parents: 6257 diff changeset	214
25407 ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	215 discard_error_messages = true;
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	216 discard_warning_messages = true;
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	217
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	218 try
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	219 {
26113 8a15f3bace49 move eval_string inside interpreter/evaluator class John W. Eaton <jwe@octave.org> parents: 26062 diff changeset	220 octave_value tmp
8a15f3bace49 move eval_string inside interpreter/evaluator class John W. Eaton <jwe@octave.org> parents: 26062 diff changeset	221 = interp.eval_string (prefix, true, parse_status);
25407 ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	222
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	223 frame.run ();
6305 48f8af442b8a [project @ 2007-02-14 22:16:53 by jwe] jwe parents: 6257 diff changeset	224
25407 ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	225 if (tmp.is_defined ()
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	226 && (tmp.isstruct () \|\| tmp.isjava () \|\| tmp.is_classdef_object ()))
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	227 names = tmp.map_keys ();
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	228 }
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	229 catch (const octave::execution_exception&)
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	230 {
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	231 octave::interpreter::recover_from_exception ();
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	232 }
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	233 }
6257 44c91c5dfe1d [project @ 2007-01-30 19:16:52 by jwe] jwe parents: 6206 diff changeset	234 }
44c91c5dfe1d [project @ 2007-01-30 19:16:52 by jwe] jwe parents: 6206 diff changeset	235
25407 ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	236 // Undo look-back that found the array expression,
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	237 // but insert an extra "." to distinguish from the non-struct case.
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	238 if (array)
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	239 prefix = ".";
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	240
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	241 return names;
6257 44c91c5dfe1d [project @ 2007-01-30 19:16:52 by jwe] jwe parents: 6206 diff changeset	242 }
18037 708173343c50 use "octave" instead of "\\s" in default prompt John W. Eaton <jwe@octave.org> parents: 17787 diff changeset	243
25407 ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	244 // FIXME: this will have to be much smarter to work "correctly".
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	245 static bool
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	246 looks_like_struct (const std::string& text, char prev_char)
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	247 {
25407 ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	248 bool retval = (! text.empty ()
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	249 && (text != "." \|\| prev_char == ')' \|\| prev_char == '}')
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	250 && text.find_first_of (octave::sys::file_ops::dir_sep_chars ()) == std::string::npos
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	251 && text.find ("..") == std::string::npos
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	252 && text.rfind ('.') != std::string::npos);
581 bc813f5eb025 [project @ 1994-08-07 01:02:15 by jwe] jwe parents: 529 diff changeset	253
25407 ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	254 return retval;
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	255 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	256
20713 2469d78a1d8b Consistently use 'filename' rather than 'file name' throughout code base. Rik <rik@octave.org> parents: 20704 diff changeset	257 // FIXME: make this generate filenames when appropriate.
16528 9bc1f8278966 allow GUI to customize prompts at startup John W. Eaton <jwe@octave.org> parents: 16524 diff changeset	258
2247 108d848901b4 [project @ 1996-05-22 07:39:29 by jwe] jwe parents: 2235 diff changeset	259 static string_vector
3523 b80bbb43a1a9 [project @ 2000-02-02 10:25:52 by jwe] jwe parents: 3519 diff changeset	260 generate_possible_completions (const std::string& text, std::string& prefix,
22171 0a4c5a90f286 Allow tab completion of arrays of structures. Lachlan Andrew <lachlanbis@gmail.com> parents: 22164 diff changeset	261 std::string& hint, bool& deemed_struct)
1280 b01f9577b0da [project @ 1995-04-26 17:49:19 by jwe] jwe parents: 1215 diff changeset	262 {
2247 108d848901b4 [project @ 1996-05-22 07:39:29 by jwe] jwe parents: 2235 diff changeset	263 string_vector names;
1280 b01f9577b0da [project @ 1995-04-26 17:49:19 by jwe] jwe parents: 1215 diff changeset	264
2921 64dd86522a1d [project @ 1997-05-02 02:52:54 by jwe] jwe parents: 2900 diff changeset	265 prefix = "";
1280 b01f9577b0da [project @ 1995-04-26 17:49:19 by jwe] jwe parents: 1215 diff changeset	266
22171 0a4c5a90f286 Allow tab completion of arrays of structures. Lachlan Andrew <lachlanbis@gmail.com> parents: 22164 diff changeset	267 char prev_char = octave::command_editor::get_prev_char (text.length ());
0a4c5a90f286 Allow tab completion of arrays of structures. Lachlan Andrew <lachlanbis@gmail.com> parents: 22164 diff changeset	268 deemed_struct = looks_like_struct (text, prev_char);
0a4c5a90f286 Allow tab completion of arrays of structures. Lachlan Andrew <lachlanbis@gmail.com> parents: 22164 diff changeset	269
0a4c5a90f286 Allow tab completion of arrays of structures. Lachlan Andrew <lachlanbis@gmail.com> parents: 22164 diff changeset	270 if (deemed_struct)
1430 045e70a15a8f [project @ 1995-09-19 07:05:37 by jwe] jwe parents: 1403 diff changeset	271 names = generate_struct_completions (text, prefix, hint);
045e70a15a8f [project @ 1995-09-19 07:05:37 by jwe] jwe parents: 1403 diff changeset	272 else
23721 b2d55b52ee51 new class to manage help system and associated variables John W. Eaton <jwe@octave.org> parents: 23696 diff changeset	273 names = octave::make_name_list ();
1280 b01f9577b0da [project @ 1995-04-26 17:49:19 by jwe] jwe parents: 1215 diff changeset	274
2944 e9c24f32f175 [project @ 1997-05-08 02:42:22 by jwe] jwe parents: 2939 diff changeset	275 // Sort and remove duplicates.
2348 a88c5cc51f62 [project @ 1996-07-25 09:54:40 by jwe] jwe parents: 2327 diff changeset	276
8503 8ba2ee57c594 remove qsort in favor of sort Jaroslav Hajek <highegg@gmail.com> parents: 8447 diff changeset	277 names.sort (true);
2348 a88c5cc51f62 [project @ 1996-07-25 09:54:40 by jwe] jwe parents: 2327 diff changeset	278
1280 b01f9577b0da [project @ 1995-04-26 17:49:19 by jwe] jwe parents: 1215 diff changeset	279 return names;
b01f9577b0da [project @ 1995-04-26 17:49:19 by jwe] jwe parents: 1215 diff changeset	280 }
b01f9577b0da [project @ 1995-04-26 17:49:19 by jwe] jwe parents: 1215 diff changeset	281
9485 3cee58bf4acf selectively complete filenames in some cases John W. Eaton <jwe@octave.org> parents: 9484 diff changeset	282 static bool
3cee58bf4acf selectively complete filenames in some cases John W. Eaton <jwe@octave.org> parents: 9484 diff changeset	283 is_completing_dirfns (void)
3cee58bf4acf selectively complete filenames in some cases John W. Eaton <jwe@octave.org> parents: 9484 diff changeset	284 {
25786 b102a94cc3b2 complete only file names for isfile and isfolder commands Mike Miller <mtmiller@octave.org> parents: 25700 diff changeset	285 static std::string dirfns_commands[] = {"cd", "isfile", "isfolder", "ls"};
b102a94cc3b2 complete only file names for isfile and isfolder commands Mike Miller <mtmiller@octave.org> parents: 25700 diff changeset	286 static const size_t dirfns_commands_length = 4;
9485 3cee58bf4acf selectively complete filenames in some cases John W. Eaton <jwe@octave.org> parents: 9484 diff changeset	287
3cee58bf4acf selectively complete filenames in some cases John W. Eaton <jwe@octave.org> parents: 9484 diff changeset	288 bool retval = false;
3cee58bf4acf selectively complete filenames in some cases John W. Eaton <jwe@octave.org> parents: 9484 diff changeset	289
21748 176536b15d68 use namespace for command_editor and command_history classes John W. Eaton <jwe@octave.org> parents: 21743 diff changeset	290 std::string line = octave::command_editor::get_line_buffer ();
9485 3cee58bf4acf selectively complete filenames in some cases John W. Eaton <jwe@octave.org> parents: 9484 diff changeset	291
3cee58bf4acf selectively complete filenames in some cases John W. Eaton <jwe@octave.org> parents: 9484 diff changeset	292 for (size_t i = 0; i < dirfns_commands_length; i++)
3cee58bf4acf selectively complete filenames in some cases John W. Eaton <jwe@octave.org> parents: 9484 diff changeset	293 {
23807 336f89b6208b Use character literals 'c' rather than string literals "c" when possible. Rik <rik@octave.org> parents: 23805 diff changeset	294 int index = line.find (dirfns_commands[i] + ' ');
9485 3cee58bf4acf selectively complete filenames in some cases John W. Eaton <jwe@octave.org> parents: 9484 diff changeset	295
3cee58bf4acf selectively complete filenames in some cases John W. Eaton <jwe@octave.org> parents: 9484 diff changeset	296 if (index == 0)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10186 diff changeset	297 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10186 diff changeset	298 retval = true;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10186 diff changeset	299 break;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10186 diff changeset	300 }
9485 3cee58bf4acf selectively complete filenames in some cases John W. Eaton <jwe@octave.org> parents: 9484 diff changeset	301 }
3cee58bf4acf selectively complete filenames in some cases John W. Eaton <jwe@octave.org> parents: 9484 diff changeset	302
3cee58bf4acf selectively complete filenames in some cases John W. Eaton <jwe@octave.org> parents: 9484 diff changeset	303 return retval;
16528 9bc1f8278966 allow GUI to customize prompts at startup John W. Eaton <jwe@octave.org> parents: 16524 diff changeset	304 }
9bc1f8278966 allow GUI to customize prompts at startup John W. Eaton <jwe@octave.org> parents: 16524 diff changeset	305
16198 2c5c538be353 clean up input.cc and eliminate ff_instream global variable John W. Eaton <jwe@octave.org> parents: 16195 diff changeset	306 static std::string
3523 b80bbb43a1a9 [project @ 2000-02-02 10:25:52 by jwe] jwe parents: 3519 diff changeset	307 generate_completion (const std::string& text, int state)
1822 3a47ca3dd227 [project @ 1996-02-01 08:06:35 by jwe] jwe parents: 1799 diff changeset	308 {
3523 b80bbb43a1a9 [project @ 2000-02-02 10:25:52 by jwe] jwe parents: 3519 diff changeset	309 std::string retval;
2944 e9c24f32f175 [project @ 1997-05-08 02:42:22 by jwe] jwe parents: 2939 diff changeset	310
3523 b80bbb43a1a9 [project @ 2000-02-02 10:25:52 by jwe] jwe parents: 3519 diff changeset	311 static std::string prefix;
b80bbb43a1a9 [project @ 2000-02-02 10:25:52 by jwe] jwe parents: 3519 diff changeset	312 static std::string hint;
1280 b01f9577b0da [project @ 1995-04-26 17:49:19 by jwe] jwe parents: 1215 diff changeset	313
2921 64dd86522a1d [project @ 1997-05-02 02:52:54 by jwe] jwe parents: 2900 diff changeset	314 static size_t hint_len = 0;
1280 b01f9577b0da [project @ 1995-04-26 17:49:19 by jwe] jwe parents: 1215 diff changeset	315
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	316 static int list_index = 0;
2921 64dd86522a1d [project @ 1997-05-02 02:52:54 by jwe] jwe parents: 2900 diff changeset	317 static int name_list_len = 0;
4604 cba347c642e2 [project @ 2003-11-13 04:38:05 by jwe] jwe parents: 4565 diff changeset	318 static int name_list_total_len = 0;
2247 108d848901b4 [project @ 1996-05-22 07:39:29 by jwe] jwe parents: 2235 diff changeset	319 static string_vector name_list;
4604 cba347c642e2 [project @ 2003-11-13 04:38:05 by jwe] jwe parents: 4565 diff changeset	320 static string_vector file_name_list;
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	321
1280 b01f9577b0da [project @ 1995-04-26 17:49:19 by jwe] jwe parents: 1215 diff changeset	322 static int matches = 0;
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	323
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	324 if (state == 0)
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	325 {
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	326 list_index = 0;
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	327
2921 64dd86522a1d [project @ 1997-05-02 02:52:54 by jwe] jwe parents: 2900 diff changeset	328 prefix = "";
1280 b01f9577b0da [project @ 1995-04-26 17:49:19 by jwe] jwe parents: 1215 diff changeset	329
2921 64dd86522a1d [project @ 1997-05-02 02:52:54 by jwe] jwe parents: 2900 diff changeset	330 hint = text;
1280 b01f9577b0da [project @ 1995-04-26 17:49:19 by jwe] jwe parents: 1215 diff changeset	331
9485 3cee58bf4acf selectively complete filenames in some cases John W. Eaton <jwe@octave.org> parents: 9484 diff changeset	332 // No reason to display symbols while completing a
3cee58bf4acf selectively complete filenames in some cases John W. Eaton <jwe@octave.org> parents: 9484 diff changeset	333 // file/directory operation.
3cee58bf4acf selectively complete filenames in some cases John W. Eaton <jwe@octave.org> parents: 9484 diff changeset	334
22171 0a4c5a90f286 Allow tab completion of arrays of structures. Lachlan Andrew <lachlanbis@gmail.com> parents: 22164 diff changeset	335 bool deemed_struct = false;
0a4c5a90f286 Allow tab completion of arrays of structures. Lachlan Andrew <lachlanbis@gmail.com> parents: 22164 diff changeset	336
9485 3cee58bf4acf selectively complete filenames in some cases John W. Eaton <jwe@octave.org> parents: 9484 diff changeset	337 if (is_completing_dirfns ())
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10186 diff changeset	338 name_list = string_vector ();
9485 3cee58bf4acf selectively complete filenames in some cases John W. Eaton <jwe@octave.org> parents: 9484 diff changeset	339 else
22171 0a4c5a90f286 Allow tab completion of arrays of structures. Lachlan Andrew <lachlanbis@gmail.com> parents: 22164 diff changeset	340 name_list = generate_possible_completions (text, prefix, hint,
0a4c5a90f286 Allow tab completion of arrays of structures. Lachlan Andrew <lachlanbis@gmail.com> parents: 22164 diff changeset	341 deemed_struct);
1280 b01f9577b0da [project @ 1995-04-26 17:49:19 by jwe] jwe parents: 1215 diff changeset	342
20232 a9574e3c6e9e Deprecate Array::length() and Sparse::length() in favour of ::numel(). Carnë Draug <carandraug@octave.org> parents: 20178 diff changeset	343 name_list_len = name_list.numel ();
2921 64dd86522a1d [project @ 1997-05-02 02:52:54 by jwe] jwe parents: 2900 diff changeset	344
22171 0a4c5a90f286 Allow tab completion of arrays of structures. Lachlan Andrew <lachlanbis@gmail.com> parents: 22164 diff changeset	345 // If the line was something like "a{1}." then text = "." but
0a4c5a90f286 Allow tab completion of arrays of structures. Lachlan Andrew <lachlanbis@gmail.com> parents: 22164 diff changeset	346 // we don't want to expand all the . files.
0a4c5a90f286 Allow tab completion of arrays of structures. Lachlan Andrew <lachlanbis@gmail.com> parents: 22164 diff changeset	347 if (! deemed_struct)
0a4c5a90f286 Allow tab completion of arrays of structures. Lachlan Andrew <lachlanbis@gmail.com> parents: 22164 diff changeset	348 {
4604 cba347c642e2 [project @ 2003-11-13 04:38:05 by jwe] jwe parents: 4565 diff changeset	349
22171 0a4c5a90f286 Allow tab completion of arrays of structures. Lachlan Andrew <lachlanbis@gmail.com> parents: 22164 diff changeset	350 file_name_list = octave::command_editor::generate_filename_completions (text);
0a4c5a90f286 Allow tab completion of arrays of structures. Lachlan Andrew <lachlanbis@gmail.com> parents: 22164 diff changeset	351
0a4c5a90f286 Allow tab completion of arrays of structures. Lachlan Andrew <lachlanbis@gmail.com> parents: 22164 diff changeset	352 name_list.append (file_name_list);
0a4c5a90f286 Allow tab completion of arrays of structures. Lachlan Andrew <lachlanbis@gmail.com> parents: 22164 diff changeset	353
0a4c5a90f286 Allow tab completion of arrays of structures. Lachlan Andrew <lachlanbis@gmail.com> parents: 22164 diff changeset	354 }
5142 0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5092 diff changeset	355
20232 a9574e3c6e9e Deprecate Array::length() and Sparse::length() in favour of ::numel(). Carnë Draug <carandraug@octave.org> parents: 20178 diff changeset	356 name_list_total_len = name_list.numel ();
4604 cba347c642e2 [project @ 2003-11-13 04:38:05 by jwe] jwe parents: 4565 diff changeset	357
2921 64dd86522a1d [project @ 1997-05-02 02:52:54 by jwe] jwe parents: 2900 diff changeset	358 hint_len = hint.length ();
1280 b01f9577b0da [project @ 1995-04-26 17:49:19 by jwe] jwe parents: 1215 diff changeset	359
b01f9577b0da [project @ 1995-04-26 17:49:19 by jwe] jwe parents: 1215 diff changeset	360 matches = 0;
2247 108d848901b4 [project @ 1996-05-22 07:39:29 by jwe] jwe parents: 2235 diff changeset	361
2921 64dd86522a1d [project @ 1997-05-02 02:52:54 by jwe] jwe parents: 2900 diff changeset	362 for (int i = 0; i < name_list_len; i++)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10186 diff changeset	363 if (hint == name_list[i].substr (0, hint_len))
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10186 diff changeset	364 matches++;
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	365 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	366
4604 cba347c642e2 [project @ 2003-11-13 04:38:05 by jwe] jwe parents: 4565 diff changeset	367 if (name_list_total_len > 0 && matches > 0)
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	368 {
4604 cba347c642e2 [project @ 2003-11-13 04:38:05 by jwe] jwe parents: 4565 diff changeset	369 while (list_index < name_list_total_len)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10186 diff changeset	370 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10186 diff changeset	371 std::string name = name_list[list_index];
2247 108d848901b4 [project @ 1996-05-22 07:39:29 by jwe] jwe parents: 2235 diff changeset	372
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10186 diff changeset	373 list_index++;
16097 2f4fa62089b3 improve end of file handling for lexer input John W. Eaton <jwe@octave.org> parents: 16053 diff changeset	374
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10186 diff changeset	375 if (hint == name.substr (0, hint_len))
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10186 diff changeset	376 {
22407 34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22327 diff changeset	377 // Special case: array reference forces prefix="."
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22327 diff changeset	378 // in generate_struct_completions ()
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10186 diff changeset	379 if (list_index <= name_list_len && ! prefix.empty ())
23807 336f89b6208b Use character literals 'c' rather than string literals "c" when possible. Rik <rik@octave.org> parents: 23805 diff changeset	380 retval = (prefix == "." ? "" : prefix) + '.' + name;
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10186 diff changeset	381 else
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10186 diff changeset	382 retval = name;
1280 b01f9577b0da [project @ 1995-04-26 17:49:19 by jwe] jwe parents: 1215 diff changeset	383
22171 0a4c5a90f286 Allow tab completion of arrays of structures. Lachlan Andrew <lachlanbis@gmail.com> parents: 22164 diff changeset	384 char prev_char = octave::command_editor::get_prev_char
0a4c5a90f286 Allow tab completion of arrays of structures. Lachlan Andrew <lachlanbis@gmail.com> parents: 22164 diff changeset	385 (text.length ());
0a4c5a90f286 Allow tab completion of arrays of structures. Lachlan Andrew <lachlanbis@gmail.com> parents: 22164 diff changeset	386 if (matches == 1 && looks_like_struct (retval, prev_char))
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10186 diff changeset	387 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10186 diff changeset	388 // Don't append anything, since we don't know
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10186 diff changeset	389 // whether it should be '(' or '.'.
19595 be7ac98fab43 strip trailing whitespace from most source files John W. Eaton <jwe@octave.org> parents: 19379 diff changeset	390
21748 176536b15d68 use namespace for command_editor and command_history classes John W. Eaton <jwe@octave.org> parents: 21743 diff changeset	391 octave::command_editor::set_completion_append_character ('\0');
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10186 diff changeset	392 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10186 diff changeset	393 else
25407 ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	394 {
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	395 octave::input_system& input_sys
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	396 = octave::__get_input_system__ ("generate_completion");
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	397
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	398 octave::command_editor::set_completion_append_character
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	399 (input_sys.completion_append_char ());
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	400 }
1280 b01f9577b0da [project @ 1995-04-26 17:49:19 by jwe] jwe parents: 1215 diff changeset	401
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10186 diff changeset	402 break;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10186 diff changeset	403 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10186 diff changeset	404 }
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	405 }
1822 3a47ca3dd227 [project @ 1996-02-01 08:06:35 by jwe] jwe parents: 1799 diff changeset	406
3a47ca3dd227 [project @ 1996-02-01 08:06:35 by jwe] jwe parents: 1799 diff changeset	407 return retval;
3a47ca3dd227 [project @ 1996-02-01 08:06:35 by jwe] jwe parents: 1799 diff changeset	408 }
581 bc813f5eb025 [project @ 1994-08-07 01:02:15 by jwe] jwe parents: 529 diff changeset	409
25407 ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	410 namespace octave
6257 44c91c5dfe1d [project @ 2007-01-30 19:16:52 by jwe] jwe parents: 6206 diff changeset	411 {
25407 ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	412 // Use literal "octave" in default setting for PS1 instead of
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	413 // "\\s" to avoid setting the prompt to "octave.exe" or
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	414 // "octave-gui", etc.
6257 44c91c5dfe1d [project @ 2007-01-30 19:16:52 by jwe] jwe parents: 6206 diff changeset	415
25407 ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	416 input_system::input_system (interpreter& interp)
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	417 : m_interpreter (interp), m_PS1 (R"(octave:\#> )"), m_PS2 ("> "),
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	418 m_completion_append_char (' '), m_gud_mode (false),
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	419 m_mfile_encoding ("utf-8"), m_last_debugging_command ("\n"),
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	420 m_input_event_hook_functions ()
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	421 {
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	422 #if defined (OCTAVE_USE_WINDOWS_API)
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	423 m_mfile_encoding = "system";
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	424 #endif
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	425 }
22171 0a4c5a90f286 Allow tab completion of arrays of structures. Lachlan Andrew <lachlanbis@gmail.com> parents: 22164 diff changeset	426
25407 ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	427 void input_system::initialize (bool line_editing)
6257 44c91c5dfe1d [project @ 2007-01-30 19:16:52 by jwe] jwe parents: 6206 diff changeset	428 {
25407 ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	429 // Force default line editor if we don't want readline editing.
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	430 if (! line_editing)
20743 b6408331bfa2 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20741 diff changeset	431 {
25407 ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	432 command_editor::force_default_editor ();
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	433 return;
20743 b6408331bfa2 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20741 diff changeset	434 }
6257 44c91c5dfe1d [project @ 2007-01-30 19:16:52 by jwe] jwe parents: 6206 diff changeset	435
25407 ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	436 // If we are using readline, this allows conditional parsing of the
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	437 // .inputrc file.
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	438
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	439 octave::command_editor::set_name ("Octave");
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	440
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	441 // FIXME: this needs to include a comma too, but that
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	442 // causes trouble for the new struct element completion code.
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	443
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	444 static const char s = "\t\n !\"\'+-/:;<=>(){}[\\]^`~";
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	445
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	446 octave::command_editor::set_basic_word_break_characters (s);
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	447
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	448 octave::command_editor::set_completer_word_break_characters (s);
22171 0a4c5a90f286 Allow tab completion of arrays of structures. Lachlan Andrew <lachlanbis@gmail.com> parents: 22164 diff changeset	449
25407 ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	450 octave::command_editor::set_basic_quote_characters (R"(")");
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	451
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	452 octave::command_editor::set_filename_quote_characters (" \t\n\\\"'@<>=;\|&()#$`?*[!:{");
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	453
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	454 octave::command_editor::set_completer_quote_characters (R"('")");
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	455
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	456 octave::command_editor::set_completion_function (generate_completion);
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	457
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	458 octave::command_editor::set_quoting_function (quoting_filename);
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	459 }
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	460
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	461 octave_value
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	462 input_system::PS1 (const octave_value_list& args, int nargout)
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	463 {
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	464 return set_internal_variable (m_PS1, args, nargout, "PS1");
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	465 }
22171 0a4c5a90f286 Allow tab completion of arrays of structures. Lachlan Andrew <lachlanbis@gmail.com> parents: 22164 diff changeset	466
25407 ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	467 octave_value
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	468 input_system::PS2 (const octave_value_list& args, int nargout)
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	469 {
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	470 return set_internal_variable (m_PS2, args, nargout, "PS2");
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	471 }
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	472
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	473 octave_value
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	474 input_system::completion_append_char (const octave_value_list& args,
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	475 int nargout)
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	476 {
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	477 return set_internal_variable (m_completion_append_char, args, nargout,
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	478 "completion_append_char");
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	479 }
22171 0a4c5a90f286 Allow tab completion of arrays of structures. Lachlan Andrew <lachlanbis@gmail.com> parents: 22164 diff changeset	480
25407 ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	481 octave_value
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	482 input_system::gud_mode (const octave_value_list& args, int nargout)
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	483 {
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	484 return set_internal_variable (m_gud_mode, args, nargout, "__gud_mode__");
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	485 }
269 0febc87abbd4 [project @ 1994-01-05 08:17:07 by jwe] jwe parents: 252 diff changeset	486
25407 ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	487 octave_value
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	488 input_system::mfile_encoding (const octave_value_list& args, int nargout)
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	489 {
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	490 // Save current value in case there is an error in the additional
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	491 // validation below.
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	492
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	493 std::string saved_encoding = m_mfile_encoding;
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	494
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	495 // We must pass the actual variable to change here for temporary
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	496 // "local" settings to work properly.
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	497
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	498 octave_value retval
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	499 = set_internal_variable (m_mfile_encoding, args, nargout,
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	500 "__mfile_encoding__");
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	501
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	502 // Additional validation if the encoding has changed.
1358 dc9c01f66a19 [project @ 1995-09-05 21:10:01 by jwe] jwe parents: 1352 diff changeset	503
25407 ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	504 if (m_mfile_encoding != saved_encoding)
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	505 {
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	506 if (m_mfile_encoding.empty ())
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	507 {
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	508 #if defined (OCTAVE_USE_WINDOWS_API)
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	509 m_mfile_encoding = "system";
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	510 #else
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	511 m_mfile_encoding = "utf-8";
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	512 #endif
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	513 }
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	514 else
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	515 {
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	516 std::transform (m_mfile_encoding.begin (),
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	517 m_mfile_encoding.end (),
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	518 m_mfile_encoding.begin (), ::tolower);
3933 f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe] jwe parents: 3877 diff changeset	519
25407 ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	520 std::string codepage = (m_mfile_encoding.compare ("system") == 0)
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	521 ? octave_locale_charset_wrapper () : m_mfile_encoding;
3933 f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe] jwe parents: 3877 diff changeset	522
25407 ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	523 // Check for valid codepage.
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	524 void *codec
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	525 = octave_iconv_open_wrapper (codepage.c_str (), "utf-8");
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	526
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	527 if (errno == EINVAL)
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	528 {
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	529 m_mfile_encoding = saved_encoding;
3933 f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe] jwe parents: 3877 diff changeset	530
25407 ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	531 error ("__mfile_encoding__: conversion from codepage '%s' not supported",
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	532 codepage.c_str ());
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	533 }
3933 f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe] jwe parents: 3877 diff changeset	534
25407 ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	535 octave_iconv_close_wrapper (codec);
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	536 }
25700 ba8227df92ae synchronize gui editor encoding when changing __mfile_encdoing__ (bug #54310) Torsten <mttl@mailbox.org> parents: 25659 diff changeset	537
25407 ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	538 }
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	539
25700 ba8227df92ae synchronize gui editor encoding when changing __mfile_encdoing__ (bug #54310) Torsten <mttl@mailbox.org> parents: 25659 diff changeset	540 // Synchronize the related gui preference for editor encoding
ba8227df92ae synchronize gui editor encoding when changing __mfile_encdoing__ (bug #54310) Torsten <mttl@mailbox.org> parents: 25659 diff changeset	541 octave::feval ("__octave_link_gui_preference__",
ba8227df92ae synchronize gui editor encoding when changing __mfile_encdoing__ (bug #54310) Torsten <mttl@mailbox.org> parents: 25659 diff changeset	542 ovl ("editor/default_encoding", m_mfile_encoding));
ba8227df92ae synchronize gui editor encoding when changing __mfile_encdoing__ (bug #54310) Torsten <mttl@mailbox.org> parents: 25659 diff changeset	543
25407 ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	544 return retval;
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	545 }
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	546
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	547 bool input_system::yes_or_no (const std::string& prompt)
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	548 {
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	549 std::string prompt_string = prompt + "(yes or no) ";
6367 268bfc8a2755 [project @ 2007-02-28 20:16:05 by jwe] jwe parents: 6317 diff changeset	550
25407 ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	551 while (1)
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	552 {
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	553 bool eof = false;
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	554
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	555 std::string input_buf = interactive_input (prompt_string, eof);
6979 2883ea1c5c18 [project @ 2007-10-08 20:23:48 by dbateman] dbateman parents: 6945 diff changeset	556
25407 ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	557 if (input_buf == "yes")
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	558 return true;
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	559 else if (input_buf == "no")
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	560 return false;
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	561 else
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	562 message (nullptr, "Please answer yes or no.");
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	563 }
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	564 }
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	565
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	566 std::string input_system::interactive_input (const std::string& s, bool& eof)
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	567 {
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	568 Vlast_prompt_time.stamp ();
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	569
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	570 if (Vdrawnow_requested && octave::application::interactive ())
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	571 {
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	572 bool eval_error = false;
6979 2883ea1c5c18 [project @ 2007-10-08 20:23:48 by dbateman] dbateman parents: 6945 diff changeset	573
25407 ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	574 try
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	575 {
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	576 Fdrawnow ();
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	577 }
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	578 catch (const octave::execution_exception& e)
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	579 {
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	580 eval_error = true;
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	581
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	582 std::string stack_trace = e.info ();
269 0febc87abbd4 [project @ 1994-01-05 08:17:07 by jwe] jwe parents: 252 diff changeset	583
25407 ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	584 if (! stack_trace.empty ())
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	585 std::cerr << stack_trace;
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	586
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	587 if (octave::application::interactive ())
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	588 octave::interpreter::recover_from_exception ();
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	589 }
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	590
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	591 octave::flush_stdout ();
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	592
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	593 // We set Vdrawnow_requested to false even if there is an error in
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	594 // drawnow so that the error doesn't reappear at every prompt.
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	595
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	596 Vdrawnow_requested = false;
16419 16bfbf9136d3 avoid creating unnecessary octave_value objects for octave_link calls John W. Eaton <jwe@octave.org> parents: 16416 diff changeset	597
25407 ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	598 if (eval_error)
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	599 return "\n";
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	600 }
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	601
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	602 return gnu_readline (s, eof);
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	603 }
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	604
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	605 // If the user simply hits return, this will produce an empty matrix.
6305 48f8af442b8a [project @ 2007-02-14 22:16:53 by jwe] jwe parents: 6257 diff changeset	606
25407 ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	607 octave_value_list
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	608 input_system::get_user_input (const octave_value_list& args, int nargout)
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	609 {
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	610 octave_value_list retval;
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	611
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	612 int read_as_string = 0;
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	613
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	614 if (args.length () == 2)
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	615 read_as_string++;
16395 fc491da603f6 also provide a hook for exiting debugger John W. Eaton <jwe@octave.org> parents: 16386 diff changeset	616
25407 ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	617 std::string prompt = args(0).xstring_value ("input: unrecognized argument");
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	618
25435 a52e6fb674b1 eliminate some singletons and static & global variables John W. Eaton <jwe@octave.org> parents: 25407 diff changeset	619 output_system& output_sys = __get_output_system__ ("do_sync");
25407 ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	620
25435 a52e6fb674b1 eliminate some singletons and static & global variables John W. Eaton <jwe@octave.org> parents: 25407 diff changeset	621 output_sys.reset ();
25407 ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	622
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	623 octave_diary << prompt;
25402 ef2b9d4abf4a eliminate some global variables from tree_evaluator John W. Eaton <jwe@octave.org> parents: 25392 diff changeset	624
25407 ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	625 bool eof = false;
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	626
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	627 std::string input_buf = interactive_input (prompt.c_str (), eof);
19595 be7ac98fab43 strip trailing whitespace from most source files John W. Eaton <jwe@octave.org> parents: 19379 diff changeset	628
25407 ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	629 if (input_buf.empty ())
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	630 error ("input: reading user-input failed!");
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	631
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	632 size_t len = input_buf.length ();
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	633
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	634 octave_diary << input_buf;
23553 14723784b9f2 don't use singleton for call_stack John W. Eaton <jwe@octave.org> parents: 23532 diff changeset	635
25407 ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	636 if (input_buf[len - 1] != '\n')
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	637 octave_diary << "\n";
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	638
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	639 if (len < 1)
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	640 return read_as_string ? octave_value ("") : octave_value (Matrix ());
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	641
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	642 if (read_as_string)
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	643 {
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	644 // FIXME: fix gnu_readline and octave_gets instead!
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	645 if (input_buf.length () == 1 && input_buf[0] == '\n')
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	646 retval(0) = "";
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	647 else
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	648 retval(0) = input_buf;
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	649 }
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	650 else
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	651 {
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	652 int parse_status = 0;
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	653
26113 8a15f3bace49 move eval_string inside interpreter/evaluator class John W. Eaton <jwe@octave.org> parents: 26062 diff changeset	654 retval
8a15f3bace49 move eval_string inside interpreter/evaluator class John W. Eaton <jwe@octave.org> parents: 26062 diff changeset	655 = m_interpreter.eval_string (input_buf, true, parse_status, nargout);
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: 8503 diff changeset	656
25407 ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	657 if (! Vdebugging && retval.empty ())
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	658 retval(0) = Matrix ();
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	659 }
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	660
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	661 return retval;
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	662 }
7787 6b521b1e3631 Add dbquit and make dbstep compatible. Use parser in debug mode to handle multi-line input David Bateman <dbateman@free.fr> parents: 7758 diff changeset	663
25407 ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	664 octave_value input_system::keyboard (const octave_value_list& args)
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	665 {
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	666 octave_value retval;
6305 48f8af442b8a [project @ 2007-02-14 22:16:53 by jwe] jwe parents: 6257 diff changeset	667
25407 ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	668 int nargin = args.length ();
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	669
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	670 assert (nargin == 0 \|\| nargin == 1);
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	671
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	672 octave::unwind_protect frame;
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	673
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	674 frame.add_fcn (octave::command_history::ignore_entries,
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	675 octave::command_history::ignoring_entries ());
18595 a87bdd302b1b set editor cursor on error line when debug_on_error is true (bug #41532) John W. Eaton <jwe@octave.org> parents: 18037 diff changeset	676
25407 ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	677 octave::command_history::ignore_entries (false);
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	678
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	679 frame.protect_var (Vdebugging);
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	680
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	681 octave::call_stack& cs = m_interpreter.get_call_stack ();
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	682
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	683 frame.add_method (cs, &octave::call_stack::restore_frame,
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	684 cs.current_frame ());
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	685
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	686 // FIXME: probably we just want to print one line, not the
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	687 // entire statement, which might span many lines...
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	688 //
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	689 // tree_print_code tpc (octave_stdout);
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	690 // stmt.accept (tpc);
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	691
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	692 Vdebugging = true;
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	693 Vtrack_line_num = false;
3180 c17387059fd3 [project @ 1998-09-24 18:59:11 by jwe] jwe parents: 3176 diff changeset	694
25407 ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	695 std::string prompt = "debug> ";
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	696 if (nargin > 0)
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	697 prompt = args(0).string_value ();
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	698
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	699 get_debug_input (prompt);
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	700
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	701 return retval;
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	702 }
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	703
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	704 bool input_system::have_input_event_hooks (void) const
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	705 {
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	706 return ! m_input_event_hook_functions.empty ();
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	707 }
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	708
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	709 void input_system::add_input_event_hook (const hook_function& hook_fcn)
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	710 {
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	711 m_input_event_hook_functions.insert (hook_fcn.id (), hook_fcn);
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	712 }
7787 6b521b1e3631 Add dbquit and make dbstep compatible. Use parser in debug mode to handle multi-line input David Bateman <dbateman@free.fr> parents: 7758 diff changeset	713
25407 ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	714 bool input_system::remove_input_event_hook (const std::string& hook_fcn_id)
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	715 {
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	716 hook_function_list::iterator p
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	717 = m_input_event_hook_functions.find (hook_fcn_id);
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	718
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	719 if (p == m_input_event_hook_functions.end ())
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	720 return false;
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	721
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	722 m_input_event_hook_functions.erase (p);
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	723 return true;
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	724 }
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	725
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	726 void input_system::clear_input_event_hooks (void)
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	727 {
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	728 m_input_event_hook_functions.clear ();
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	729 }
269 0febc87abbd4 [project @ 1994-01-05 08:17:07 by jwe] jwe parents: 252 diff changeset	730
25407 ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	731 void input_system::run_input_event_hooks (void)
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	732 {
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	733 m_input_event_hook_functions.run ();
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	734 }
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	735
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	736 std::string
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	737 input_system::gnu_readline (const std::string& s, bool& eof) const
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	738 {
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	739 octave_quit ();
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	740
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	741 eof = false;
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: 8503 diff changeset	742
25407 ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	743 std::string retval = octave::command_editor::readline (s, eof);
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	744
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	745 if (! eof && retval.empty ())
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	746 retval = "\n";
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	747
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	748 return retval;
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	749 }
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	750
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	751 static void
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	752 execute_in_debugger_handler (const std::pair<std::string, int>& arg)
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	753 {
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	754 octave_link::execute_in_debugger_event (arg.first, arg.second);
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	755 }
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	756
25407 ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	757 void input_system::get_debug_input (const std::string& prompt)
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	758 {
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	759 octave::unwind_protect frame;
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	760
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	761 octave::tree_evaluator& tw = m_interpreter.get_evaluator ();
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	762
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	763 bool silent = tw.quiet_breakpoint_flag (false);
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	764
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	765 octave::call_stack& cs = m_interpreter.get_call_stack ();
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	766
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	767 octave_user_code *caller = cs.caller_user_code ();
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	768 std::string nm;
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	769 int curr_debug_line;
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: 8503 diff changeset	770
25407 ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	771 if (caller)
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	772 {
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	773 nm = caller->fcn_file_name ();
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	774
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	775 if (nm.empty ())
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	776 nm = caller->name ();
16395 fc491da603f6 also provide a hook for exiting debugger John W. Eaton <jwe@octave.org> parents: 16386 diff changeset	777
25407 ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	778 curr_debug_line = cs.caller_user_code_line ();
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	779 }
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	780 else
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	781 curr_debug_line = cs.current_line ();
6257 44c91c5dfe1d [project @ 2007-01-30 19:16:52 by jwe] jwe parents: 6206 diff changeset	782
25407 ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	783 std::ostringstream buf;
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	784
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	785 if (! nm.empty ())
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	786 {
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	787 if (m_gud_mode)
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	788 {
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	789 static char ctrl_z = 'Z' & 0x1f;
16374 8b0a04cbdc9d provide hook function for dbstop events John W. Eaton <jwe@octave.org> parents: 16373 diff changeset	790
25407 ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	791 buf << ctrl_z << ctrl_z << nm << ':' << curr_debug_line;
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	792 }
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	793 else
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	794 {
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	795 // FIXME: we should come up with a clean way to detect
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	796 // that we are stopped on the no-op command that marks the
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	797 // end of a function or script.
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	798
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	799 if (! silent)
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	800 {
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	801 buf << "stopped in " << nm;
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	802
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	803 if (curr_debug_line > 0)
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	804 buf << " at line " << curr_debug_line;
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	805 }
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	806
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	807 octave_link::enter_debugger_event (nm, curr_debug_line);
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	808
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	809 octave_link::set_workspace ();
23728 b40b7243a782 new class for caching file contents for debug and echo John W. Eaton <jwe@octave.org> parents: 23723 diff changeset	810
25407 ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	811 frame.add_fcn (execute_in_debugger_handler,
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	812 std::pair<std::string, int> (nm, curr_debug_line));
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	813
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	814 if (! silent)
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	815 {
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	816 std::string line_buf;
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	817
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	818 if (caller)
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	819 line_buf = caller->get_code_line (curr_debug_line);
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: 8503 diff changeset	820
25407 ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	821 if (! line_buf.empty ())
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	822 buf << "\n" << curr_debug_line << ": " << line_buf;
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	823 }
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	824 }
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	825 }
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	826
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	827 if (silent)
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	828 octave::command_editor::erase_empty_line (true);
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	829
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	830 std::string msg = buf.str ();
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	831
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	832 if (! msg.empty ())
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	833 std::cerr << msg << std::endl;
3180 c17387059fd3 [project @ 1998-09-24 18:59:11 by jwe] jwe parents: 3176 diff changeset	834
25407 ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	835 frame.add_method (*this, &octave::input_system::set_PS1, m_PS1);
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	836 m_PS1 = prompt;
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	837
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	838 // FIXME: should debugging be possible in an embedded interpreter?
6257 44c91c5dfe1d [project @ 2007-01-30 19:16:52 by jwe] jwe parents: 6206 diff changeset	839
25407 ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	840 octave::application *app = octave::application::app ();
19595 be7ac98fab43 strip trailing whitespace from most source files John W. Eaton <jwe@octave.org> parents: 19379 diff changeset	841
25407 ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	842 if (! app->interactive ())
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	843 {
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	844
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	845 frame.add_method (app, &octave::application::interactive,
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	846 app->interactive ());
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	847
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	848 frame.add_method (app, &octave::application::forced_interactive,
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	849 app->forced_interactive ());
7787 6b521b1e3631 Add dbquit and make dbstep compatible. Use parser in debug mode to handle multi-line input David Bateman <dbateman@free.fr> parents: 7758 diff changeset	850
25407 ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	851 app->interactive (true);
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	852
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	853 app->forced_interactive (true);
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	854 }
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	855
25441 143007dad864 store reference instead of pointer to interpreter in lexer John W. Eaton <jwe@octave.org> parents: 25435 diff changeset	856 octave::parser curr_parser (m_interpreter);
7787 6b521b1e3631 Add dbquit and make dbstep compatible. Use parser in debug mode to handle multi-line input David Bateman <dbateman@free.fr> parents: 7758 diff changeset	857
25407 ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	858 while (Vdebugging)
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	859 {
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	860 try
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	861 {
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	862 Vtrack_line_num = false;
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	863
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	864 reset_error_handler ();
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	865
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	866 curr_parser.reset ();
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	867
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	868 int retval = curr_parser.run ();
7787 6b521b1e3631 Add dbquit and make dbstep compatible. Use parser in debug mode to handle multi-line input David Bateman <dbateman@free.fr> parents: 7758 diff changeset	869
25407 ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	870 if (octave::command_editor::interrupt (false))
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	871 break;
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	872 else
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	873 {
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	874 if (retval == 0 && curr_parser.m_stmt_list)
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	875 {
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	876 curr_parser.m_stmt_list->accept (tw);
23111 252975fdc444 more refactoring of interpreter and application classes John W. Eaton <jwe@octave.org> parents: 23110 diff changeset	877
25407 ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	878 if (octave_completion_matches_called)
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	879 octave_completion_matches_called = false;
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	880 }
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	881
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	882 octave_quit ();
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	883 }
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	884 }
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	885 catch (const octave::execution_exception& e)
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	886 {
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	887 std::string stack_trace = e.info ();
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	888
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	889 if (! stack_trace.empty ())
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	890 std::cerr << stack_trace;
22089 c2c668b3051b use classes for octave application and interpreter John W. Eaton <jwe@octave.org> parents: 22051 diff changeset	891
25407 ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	892 // Ignore errors when in debugging mode;
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	893 octave::interpreter::recover_from_exception ();
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	894 }
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	895 }
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	896 }
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	897
24732 f079a0856321 move internal input reader classes out of header file John W. Eaton <jwe@octave.org> parents: 24597 diff changeset	898 std::string base_reader::octave_gets (bool& eof)
23061 aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	899 {
aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	900 octave_quit ();
5142 0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5092 diff changeset	901
23061 aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	902 eof = false;
16097 2f4fa62089b3 improve end of file handling for lexer input John W. Eaton <jwe@octave.org> parents: 16053 diff changeset	903
23061 aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	904 std::string retval;
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	905
23061 aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	906 // Process pre input event hook function prior to flushing output and
aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	907 // printing the prompt.
16349 610617eb84d1 provide pre- and post-input hook functions John W. Eaton <jwe@octave.org> parents: 16347 diff changeset	908
23696 08036a7f3660 remove octave:: namespace tag from symbols used inside octave namespace John W. Eaton <jwe@octave.org> parents: 23694 diff changeset	909 if (application::interactive ())
23061 aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	910 {
aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	911 if (! Vdebugging)
aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	912 octave_link::exit_debugger_event ();
16438 a971d8bdaadc use signals instead of event queue for entering/leaving debug mode John W. Eaton <jwe@octave.org> parents: 16433 diff changeset	913
23061 aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	914 octave_link::pre_input_event ();
16468 0f143f68078d use signal/slot for updating workspace instead of using event listener John W. Eaton <jwe@octave.org> parents: 16438 diff changeset	915
23061 aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	916 octave_link::set_workspace ();
aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	917 }
16349 610617eb84d1 provide pre- and post-input hook functions John W. Eaton <jwe@octave.org> parents: 16347 diff changeset	918
23061 aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	919 bool history_skip_auto_repeated_debugging_command = false;
8841 c74389115610 auto repeat for debugging commands John W. Eaton <jwe@octave.org> parents: 8749 diff changeset	920
25407 ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	921 input_system& input_sys = __get_input_system__ ("base_reader::octave_gets");
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	922
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	923 std::string ps = (m_pflag > 0) ? input_sys.PS1 () : input_sys.PS2 ();
16198 2c5c538be353 clean up input.cc and eliminate ff_instream global variable John W. Eaton <jwe@octave.org> parents: 16195 diff changeset	924
23696 08036a7f3660 remove octave:: namespace tag from symbols used inside octave namespace John W. Eaton <jwe@octave.org> parents: 23694 diff changeset	925 std::string prompt = command_editor::decode_prompt_string (ps);
16198 2c5c538be353 clean up input.cc and eliminate ff_instream global variable John W. Eaton <jwe@octave.org> parents: 16195 diff changeset	926
23696 08036a7f3660 remove octave:: namespace tag from symbols used inside octave namespace John W. Eaton <jwe@octave.org> parents: 23694 diff changeset	927 pipe_handler_error_count = 0;
16198 2c5c538be353 clean up input.cc and eliminate ff_instream global variable John W. Eaton <jwe@octave.org> parents: 16195 diff changeset	928
25435 a52e6fb674b1 eliminate some singletons and static & global variables John W. Eaton <jwe@octave.org> parents: 25407 diff changeset	929 output_system& output_sys = __get_output_system__ ("do_sync");
1755 3a9462b655f1 [project @ 1996-01-22 04:47:22 by jwe] jwe parents: 1750 diff changeset	930
25435 a52e6fb674b1 eliminate some singletons and static & global variables John W. Eaton <jwe@octave.org> parents: 25407 diff changeset	931 output_sys.reset ();
2618 aa667ac18d12 [project @ 1997-01-23 03:16:28 by jwe] jwe parents: 2470 diff changeset	932
23061 aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	933 octave_diary << prompt;
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	934
25407 ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	935 retval = input_sys.interactive_input (prompt, eof);
581 bc813f5eb025 [project @ 1994-08-07 01:02:15 by jwe] jwe parents: 529 diff changeset	936
23061 aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	937 // There is no need to update the load_path cache if there is no
aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	938 // user input.
aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	939 if (retval != "\n"
aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	940 && retval.find_first_not_of (" \t\n\r") != std::string::npos)
aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	941 {
23696 08036a7f3660 remove octave:: namespace tag from symbols used inside octave namespace John W. Eaton <jwe@octave.org> parents: 23694 diff changeset	942 load_path& lp = __get_load_path__ ("base_reader::octave_gets");
23438 d24d01273bd0 eliminate load-path singleton John W. Eaton <jwe@octave.org> parents: 23433 diff changeset	943
d24d01273bd0 eliminate load-path singleton John W. Eaton <jwe@octave.org> parents: 23433 diff changeset	944 lp.update ();
8841 c74389115610 auto repeat for debugging commands John W. Eaton <jwe@octave.org> parents: 8749 diff changeset	945
23061 aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	946 if (Vdebugging)
25407 ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	947 input_sys.last_debugging_command (retval);
23061 aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	948 else
25407 ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	949 input_sys.last_debugging_command ("\n");
23061 aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	950 }
aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	951 else if (Vdebugging)
aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	952 {
25407 ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	953 retval = input_sys.last_debugging_command ();
23061 aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	954 history_skip_auto_repeated_debugging_command = true;
aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	955 }
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	956
23061 aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	957 if (retval != "\n")
aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	958 {
aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	959 if (! history_skip_auto_repeated_debugging_command)
aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	960 {
23696 08036a7f3660 remove octave:: namespace tag from symbols used inside octave namespace John W. Eaton <jwe@octave.org> parents: 23694 diff changeset	961 if (command_history::add (retval))
23061 aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	962 octave_link::append_history (retval);
aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	963 }
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	964
23061 aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	965 octave_diary << retval;
3176 fccab8e7d35f [project @ 1998-05-18 20:33:31 by jwe] jwe parents: 3165 diff changeset	966
26061 cb3ead3cf859 avoid assertion failure with -D_GLIBCXX_ASSERTIONS Orion Poplawski <orion@cora.nwra.com> parents: 25054 diff changeset	967 if (! retval.empty () && retval.back () != '\n')
23061 aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	968 octave_diary << "\n";
aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	969 }
aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	970 else
aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	971 octave_diary << "\n";
581 bc813f5eb025 [project @ 1994-08-07 01:02:15 by jwe] jwe parents: 529 diff changeset	972
23061 aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	973 // Process post input event hook function after the internal history
aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	974 // list has been updated.
9476 d9b25c5b8ee5 handle classdef syntax in lexer and parser Ryan Rusaw parents: 9396 diff changeset	975
23696 08036a7f3660 remove octave:: namespace tag from symbols used inside octave namespace John W. Eaton <jwe@octave.org> parents: 23694 diff changeset	976 if (application::interactive ())
23061 aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	977 octave_link::post_input_event ();
16349 610617eb84d1 provide pre- and post-input hook functions John W. Eaton <jwe@octave.org> parents: 16347 diff changeset	978
23061 aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	979 return retval;
aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	980 }
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	981
24732 f079a0856321 move internal input reader classes out of header file John W. Eaton <jwe@octave.org> parents: 24597 diff changeset	982 bool base_reader::reading_fcn_file (void) const
23061 aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	983 {
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24732 diff changeset	984 return m_lexer ? m_lexer->m_reading_fcn_file : false;
23061 aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	985 }
17731 f79bf671a493 eliminate global LEXER variable John W. Eaton <jwe@octave.org> parents: 17323 diff changeset	986
24732 f079a0856321 move internal input reader classes out of header file John W. Eaton <jwe@octave.org> parents: 24597 diff changeset	987 bool base_reader::reading_classdef_file (void) const
23061 aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	988 {
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24732 diff changeset	989 return m_lexer ? m_lexer->m_reading_classdef_file : false;
23061 aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	990 }
17731 f79bf671a493 eliminate global LEXER variable John W. Eaton <jwe@octave.org> parents: 17323 diff changeset	991
24732 f079a0856321 move internal input reader classes out of header file John W. Eaton <jwe@octave.org> parents: 24597 diff changeset	992 bool base_reader::reading_script_file (void) const
23061 aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	993 {
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24732 diff changeset	994 return m_lexer ? m_lexer->m_reading_script_file : false;
23061 aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	995 }
24732 f079a0856321 move internal input reader classes out of header file John W. Eaton <jwe@octave.org> parents: 24597 diff changeset	996
f079a0856321 move internal input reader classes out of header file John W. Eaton <jwe@octave.org> parents: 24597 diff changeset	997 class
f079a0856321 move internal input reader classes out of header file John W. Eaton <jwe@octave.org> parents: 24597 diff changeset	998 terminal_reader : public base_reader
f079a0856321 move internal input reader classes out of header file John W. Eaton <jwe@octave.org> parents: 24597 diff changeset	999 {
f079a0856321 move internal input reader classes out of header file John W. Eaton <jwe@octave.org> parents: 24597 diff changeset	1000 public:
f079a0856321 move internal input reader classes out of header file John W. Eaton <jwe@octave.org> parents: 24597 diff changeset	1001
f079a0856321 move internal input reader classes out of header file John W. Eaton <jwe@octave.org> parents: 24597 diff changeset	1002 terminal_reader (base_lexer *lxr = nullptr)
f079a0856321 move internal input reader classes out of header file John W. Eaton <jwe@octave.org> parents: 24597 diff changeset	1003 : base_reader (lxr)
f079a0856321 move internal input reader classes out of header file John W. Eaton <jwe@octave.org> parents: 24597 diff changeset	1004 { }
f079a0856321 move internal input reader classes out of header file John W. Eaton <jwe@octave.org> parents: 24597 diff changeset	1005
f079a0856321 move internal input reader classes out of header file John W. Eaton <jwe@octave.org> parents: 24597 diff changeset	1006 std::string get_input (bool& eof);
f079a0856321 move internal input reader classes out of header file John W. Eaton <jwe@octave.org> parents: 24597 diff changeset	1007
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24732 diff changeset	1008 std::string input_source (void) const { return s_in_src; }
24732 f079a0856321 move internal input reader classes out of header file John W. Eaton <jwe@octave.org> parents: 24597 diff changeset	1009
f079a0856321 move internal input reader classes out of header file John W. Eaton <jwe@octave.org> parents: 24597 diff changeset	1010 bool input_from_terminal (void) const { return true; }
f079a0856321 move internal input reader classes out of header file John W. Eaton <jwe@octave.org> parents: 24597 diff changeset	1011
f079a0856321 move internal input reader classes out of header file John W. Eaton <jwe@octave.org> parents: 24597 diff changeset	1012 private:
f079a0856321 move internal input reader classes out of header file John W. Eaton <jwe@octave.org> parents: 24597 diff changeset	1013
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24732 diff changeset	1014 static const std::string s_in_src;
24732 f079a0856321 move internal input reader classes out of header file John W. Eaton <jwe@octave.org> parents: 24597 diff changeset	1015 };
f079a0856321 move internal input reader classes out of header file John W. Eaton <jwe@octave.org> parents: 24597 diff changeset	1016
f079a0856321 move internal input reader classes out of header file John W. Eaton <jwe@octave.org> parents: 24597 diff changeset	1017 class
f079a0856321 move internal input reader classes out of header file John W. Eaton <jwe@octave.org> parents: 24597 diff changeset	1018 file_reader : public base_reader
f079a0856321 move internal input reader classes out of header file John W. Eaton <jwe@octave.org> parents: 24597 diff changeset	1019 {
f079a0856321 move internal input reader classes out of header file John W. Eaton <jwe@octave.org> parents: 24597 diff changeset	1020 public:
f079a0856321 move internal input reader classes out of header file John W. Eaton <jwe@octave.org> parents: 24597 diff changeset	1021
f079a0856321 move internal input reader classes out of header file John W. Eaton <jwe@octave.org> parents: 24597 diff changeset	1022 file_reader (FILE f_arg, base_lexer lxr = nullptr)
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24732 diff changeset	1023 : base_reader (lxr), m_file (f_arg) { }
24732 f079a0856321 move internal input reader classes out of header file John W. Eaton <jwe@octave.org> parents: 24597 diff changeset	1024
f079a0856321 move internal input reader classes out of header file John W. Eaton <jwe@octave.org> parents: 24597 diff changeset	1025 std::string get_input (bool& eof);
f079a0856321 move internal input reader classes out of header file John W. Eaton <jwe@octave.org> parents: 24597 diff changeset	1026
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24732 diff changeset	1027 std::string input_source (void) const { return s_in_src; }
24732 f079a0856321 move internal input reader classes out of header file John W. Eaton <jwe@octave.org> parents: 24597 diff changeset	1028
f079a0856321 move internal input reader classes out of header file John W. Eaton <jwe@octave.org> parents: 24597 diff changeset	1029 bool input_from_file (void) const { return true; }
f079a0856321 move internal input reader classes out of header file John W. Eaton <jwe@octave.org> parents: 24597 diff changeset	1030
f079a0856321 move internal input reader classes out of header file John W. Eaton <jwe@octave.org> parents: 24597 diff changeset	1031 private:
f079a0856321 move internal input reader classes out of header file John W. Eaton <jwe@octave.org> parents: 24597 diff changeset	1032
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24732 diff changeset	1033 FILE *m_file;
24732 f079a0856321 move internal input reader classes out of header file John W. Eaton <jwe@octave.org> parents: 24597 diff changeset	1034
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24732 diff changeset	1035 static const std::string s_in_src;
24732 f079a0856321 move internal input reader classes out of header file John W. Eaton <jwe@octave.org> parents: 24597 diff changeset	1036 };
f079a0856321 move internal input reader classes out of header file John W. Eaton <jwe@octave.org> parents: 24597 diff changeset	1037
f079a0856321 move internal input reader classes out of header file John W. Eaton <jwe@octave.org> parents: 24597 diff changeset	1038 class
f079a0856321 move internal input reader classes out of header file John W. Eaton <jwe@octave.org> parents: 24597 diff changeset	1039 eval_string_reader : public base_reader
f079a0856321 move internal input reader classes out of header file John W. Eaton <jwe@octave.org> parents: 24597 diff changeset	1040 {
f079a0856321 move internal input reader classes out of header file John W. Eaton <jwe@octave.org> parents: 24597 diff changeset	1041 public:
f079a0856321 move internal input reader classes out of header file John W. Eaton <jwe@octave.org> parents: 24597 diff changeset	1042
f079a0856321 move internal input reader classes out of header file John W. Eaton <jwe@octave.org> parents: 24597 diff changeset	1043 eval_string_reader (const std::string& str, base_lexer *lxr = nullptr)
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24732 diff changeset	1044 : base_reader (lxr), m_eval_string (str)
24732 f079a0856321 move internal input reader classes out of header file John W. Eaton <jwe@octave.org> parents: 24597 diff changeset	1045 { }
f079a0856321 move internal input reader classes out of header file John W. Eaton <jwe@octave.org> parents: 24597 diff changeset	1046
f079a0856321 move internal input reader classes out of header file John W. Eaton <jwe@octave.org> parents: 24597 diff changeset	1047 std::string get_input (bool& eof);
f079a0856321 move internal input reader classes out of header file John W. Eaton <jwe@octave.org> parents: 24597 diff changeset	1048
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24732 diff changeset	1049 std::string input_source (void) const { return s_in_src; }
24732 f079a0856321 move internal input reader classes out of header file John W. Eaton <jwe@octave.org> parents: 24597 diff changeset	1050
f079a0856321 move internal input reader classes out of header file John W. Eaton <jwe@octave.org> parents: 24597 diff changeset	1051 bool input_from_eval_string (void) const { return true; }
f079a0856321 move internal input reader classes out of header file John W. Eaton <jwe@octave.org> parents: 24597 diff changeset	1052
f079a0856321 move internal input reader classes out of header file John W. Eaton <jwe@octave.org> parents: 24597 diff changeset	1053 private:
f079a0856321 move internal input reader classes out of header file John W. Eaton <jwe@octave.org> parents: 24597 diff changeset	1054
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24732 diff changeset	1055 std::string m_eval_string;
24732 f079a0856321 move internal input reader classes out of header file John W. Eaton <jwe@octave.org> parents: 24597 diff changeset	1056
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24732 diff changeset	1057 static const std::string s_in_src;
24732 f079a0856321 move internal input reader classes out of header file John W. Eaton <jwe@octave.org> parents: 24597 diff changeset	1058 };
f079a0856321 move internal input reader classes out of header file John W. Eaton <jwe@octave.org> parents: 24597 diff changeset	1059
f079a0856321 move internal input reader classes out of header file John W. Eaton <jwe@octave.org> parents: 24597 diff changeset	1060 input_reader::input_reader (base_lexer *lxr)
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24732 diff changeset	1061 : m_rep (new terminal_reader (lxr))
24732 f079a0856321 move internal input reader classes out of header file John W. Eaton <jwe@octave.org> parents: 24597 diff changeset	1062 { }
f079a0856321 move internal input reader classes out of header file John W. Eaton <jwe@octave.org> parents: 24597 diff changeset	1063
f079a0856321 move internal input reader classes out of header file John W. Eaton <jwe@octave.org> parents: 24597 diff changeset	1064 input_reader::input_reader (FILE file, base_lexer lxr)
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24732 diff changeset	1065 : m_rep (new file_reader (file, lxr))
24732 f079a0856321 move internal input reader classes out of header file John W. Eaton <jwe@octave.org> parents: 24597 diff changeset	1066 { }
f079a0856321 move internal input reader classes out of header file John W. Eaton <jwe@octave.org> parents: 24597 diff changeset	1067
f079a0856321 move internal input reader classes out of header file John W. Eaton <jwe@octave.org> parents: 24597 diff changeset	1068 input_reader::input_reader (const std::string& str, base_lexer *lxr)
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24732 diff changeset	1069 : m_rep (new eval_string_reader (str, lxr))
24732 f079a0856321 move internal input reader classes out of header file John W. Eaton <jwe@octave.org> parents: 24597 diff changeset	1070 { }
17731 f79bf671a493 eliminate global LEXER variable John W. Eaton <jwe@octave.org> parents: 17323 diff changeset	1071
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24732 diff changeset	1072 const std::string base_reader::s_in_src ("invalid");
16195 b52d2f9294b6 use class for reading lexer input John W. Eaton <jwe@octave.org> parents: 16187 diff changeset	1073
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24732 diff changeset	1074 const std::string terminal_reader::s_in_src ("terminal");
16195 b52d2f9294b6 use class for reading lexer input John W. Eaton <jwe@octave.org> parents: 16187 diff changeset	1075
23061 aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	1076 std::string
aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	1077 terminal_reader::get_input (bool& eof)
aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	1078 {
aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	1079 octave_quit ();
16195 b52d2f9294b6 use class for reading lexer input John W. Eaton <jwe@octave.org> parents: 16187 diff changeset	1080
23061 aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	1081 eof = false;
16195 b52d2f9294b6 use class for reading lexer input John W. Eaton <jwe@octave.org> parents: 16187 diff changeset	1082
23061 aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	1083 return octave_gets (eof);
aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	1084 }
aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	1085
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24732 diff changeset	1086 const std::string file_reader::s_in_src ("file");
16195 b52d2f9294b6 use class for reading lexer input John W. Eaton <jwe@octave.org> parents: 16187 diff changeset	1087
23061 aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	1088 std::string
aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	1089 file_reader::get_input (bool& eof)
aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	1090 {
aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	1091 octave_quit ();
16195 b52d2f9294b6 use class for reading lexer input John W. Eaton <jwe@octave.org> parents: 16187 diff changeset	1092
23061 aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	1093 eof = false;
16195 b52d2f9294b6 use class for reading lexer input John W. Eaton <jwe@octave.org> parents: 16187 diff changeset	1094
25361 82445187633e Add support for arbitrary character encodings in m-files (bug #53842). Markus Mützel <markus.muetzel@gmx.de> parents: 25054 diff changeset	1095 std::string src_str = octave_fgets (m_file, eof);
25407 ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	1096
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	1097 octave::input_system& input_sys
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	1098 = octave::__get_input_system__ ("get_input");
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	1099
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	1100 std::string mfile_encoding = input_sys.mfile_encoding ();
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	1101
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	1102 std::string encoding
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	1103 = (mfile_encoding.compare ("system") == 0
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	1104 ? octave_locale_charset_wrapper () : mfile_encoding);
25361 82445187633e Add support for arbitrary character encodings in m-files (bug #53842). Markus Mützel <markus.muetzel@gmx.de> parents: 25054 diff changeset	1105
25620 467729037209 Strip BOM from UTF-8 encoded .m files (bug #52574). Markus Mützel <markus.muetzel@gmx.de> parents: 25441 diff changeset	1106 if (encoding.compare ("utf-8") == 0)
467729037209 Strip BOM from UTF-8 encoded .m files (bug #52574). Markus Mützel <markus.muetzel@gmx.de> parents: 25441 diff changeset	1107 {
467729037209 Strip BOM from UTF-8 encoded .m files (bug #52574). Markus Mützel <markus.muetzel@gmx.de> parents: 25441 diff changeset	1108 // Check for BOM and strip it
467729037209 Strip BOM from UTF-8 encoded .m files (bug #52574). Markus Mützel <markus.muetzel@gmx.de> parents: 25441 diff changeset	1109 if (src_str.compare (0, 3, "\xef\xbb\xbf") == 0)
467729037209 Strip BOM from UTF-8 encoded .m files (bug #52574). Markus Mützel <markus.muetzel@gmx.de> parents: 25441 diff changeset	1110 src_str.erase (0, 3);
467729037209 Strip BOM from UTF-8 encoded .m files (bug #52574). Markus Mützel <markus.muetzel@gmx.de> parents: 25441 diff changeset	1111 }
467729037209 Strip BOM from UTF-8 encoded .m files (bug #52574). Markus Mützel <markus.muetzel@gmx.de> parents: 25441 diff changeset	1112 else
25361 82445187633e Add support for arbitrary character encodings in m-files (bug #53842). Markus Mützel <markus.muetzel@gmx.de> parents: 25054 diff changeset	1113 {
82445187633e Add support for arbitrary character encodings in m-files (bug #53842). Markus Mützel <markus.muetzel@gmx.de> parents: 25054 diff changeset	1114 // convert encoding to UTF-8 before returning string
82445187633e Add support for arbitrary character encodings in m-files (bug #53842). Markus Mützel <markus.muetzel@gmx.de> parents: 25054 diff changeset	1115 const char *src = src_str.c_str ();
82445187633e Add support for arbitrary character encodings in m-files (bug #53842). Markus Mützel <markus.muetzel@gmx.de> parents: 25054 diff changeset	1116 size_t srclen = src_str.length ();
82445187633e Add support for arbitrary character encodings in m-files (bug #53842). Markus Mützel <markus.muetzel@gmx.de> parents: 25054 diff changeset	1117
82445187633e Add support for arbitrary character encodings in m-files (bug #53842). Markus Mützel <markus.muetzel@gmx.de> parents: 25054 diff changeset	1118 size_t length;
82445187633e Add support for arbitrary character encodings in m-files (bug #53842). Markus Mützel <markus.muetzel@gmx.de> parents: 25054 diff changeset	1119 uint8_t *utf8_str = nullptr;
82445187633e Add support for arbitrary character encodings in m-files (bug #53842). Markus Mützel <markus.muetzel@gmx.de> parents: 25054 diff changeset	1120
82445187633e Add support for arbitrary character encodings in m-files (bug #53842). Markus Mützel <markus.muetzel@gmx.de> parents: 25054 diff changeset	1121 utf8_str = octave_u8_conv_from_encoding (encoding.c_str (), src, srclen,
82445187633e Add support for arbitrary character encodings in m-files (bug #53842). Markus Mützel <markus.muetzel@gmx.de> parents: 25054 diff changeset	1122 &length);
82445187633e Add support for arbitrary character encodings in m-files (bug #53842). Markus Mützel <markus.muetzel@gmx.de> parents: 25054 diff changeset	1123
82445187633e Add support for arbitrary character encodings in m-files (bug #53842). Markus Mützel <markus.muetzel@gmx.de> parents: 25054 diff changeset	1124 if (! utf8_str)
82445187633e Add support for arbitrary character encodings in m-files (bug #53842). Markus Mützel <markus.muetzel@gmx.de> parents: 25054 diff changeset	1125 error ("file_reader::get_input: converting from codepage '%s' to UTF-8: %s",
82445187633e Add support for arbitrary character encodings in m-files (bug #53842). Markus Mützel <markus.muetzel@gmx.de> parents: 25054 diff changeset	1126 encoding.c_str (), std::strerror (errno));
82445187633e Add support for arbitrary character encodings in m-files (bug #53842). Markus Mützel <markus.muetzel@gmx.de> parents: 25054 diff changeset	1127
82445187633e Add support for arbitrary character encodings in m-files (bug #53842). Markus Mützel <markus.muetzel@gmx.de> parents: 25054 diff changeset	1128 octave::unwind_protect frame;
82445187633e Add support for arbitrary character encodings in m-files (bug #53842). Markus Mützel <markus.muetzel@gmx.de> parents: 25054 diff changeset	1129 frame.add_fcn (::free, static_cast<void *> (utf8_str));
82445187633e Add support for arbitrary character encodings in m-files (bug #53842). Markus Mützel <markus.muetzel@gmx.de> parents: 25054 diff changeset	1130
82445187633e Add support for arbitrary character encodings in m-files (bug #53842). Markus Mützel <markus.muetzel@gmx.de> parents: 25054 diff changeset	1131 src_str = std::string (reinterpret_cast<char *> (utf8_str), length);
82445187633e Add support for arbitrary character encodings in m-files (bug #53842). Markus Mützel <markus.muetzel@gmx.de> parents: 25054 diff changeset	1132 }
82445187633e Add support for arbitrary character encodings in m-files (bug #53842). Markus Mützel <markus.muetzel@gmx.de> parents: 25054 diff changeset	1133
82445187633e Add support for arbitrary character encodings in m-files (bug #53842). Markus Mützel <markus.muetzel@gmx.de> parents: 25054 diff changeset	1134 return src_str;
23061 aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	1135 }
16195 b52d2f9294b6 use class for reading lexer input John W. Eaton <jwe@octave.org> parents: 16187 diff changeset	1136
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24732 diff changeset	1137 const std::string eval_string_reader::s_in_src ("eval_string");
16195 b52d2f9294b6 use class for reading lexer input John W. Eaton <jwe@octave.org> parents: 16187 diff changeset	1138
23061 aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	1139 std::string
aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	1140 eval_string_reader::get_input (bool& eof)
aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	1141 {
aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	1142 octave_quit ();
16195 b52d2f9294b6 use class for reading lexer input John W. Eaton <jwe@octave.org> parents: 16187 diff changeset	1143
23061 aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	1144 eof = false;
16195 b52d2f9294b6 use class for reading lexer input John W. Eaton <jwe@octave.org> parents: 16187 diff changeset	1145
23061 aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	1146 std::string retval;
16195 b52d2f9294b6 use class for reading lexer input John W. Eaton <jwe@octave.org> parents: 16187 diff changeset	1147
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24732 diff changeset	1148 retval = m_eval_string;
16195 b52d2f9294b6 use class for reading lexer input John W. Eaton <jwe@octave.org> parents: 16187 diff changeset	1149
23061 aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	1150 // Clear the eval string so that the next call will return
aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	1151 // an empty character string with EOF = true.
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24732 diff changeset	1152 m_eval_string = "";
16195 b52d2f9294b6 use class for reading lexer input John W. Eaton <jwe@octave.org> parents: 16187 diff changeset	1153
23061 aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	1154 if (retval.empty ())
aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	1155 eof = true;
16195 b52d2f9294b6 use class for reading lexer input John W. Eaton <jwe@octave.org> parents: 16187 diff changeset	1156
23061 aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	1157 return retval;
aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	1158 }
16195 b52d2f9294b6 use class for reading lexer input John W. Eaton <jwe@octave.org> parents: 16187 diff changeset	1159 }
b52d2f9294b6 use class for reading lexer input John W. Eaton <jwe@octave.org> parents: 16187 diff changeset	1160
25407 ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	1161 DEFMETHOD (input, interp, args, nargout,
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	1162 doc: /* -- texinfo --
21966 112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1163 @deftypefn {} {@var{ans} =} input (@var{prompt})
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1164 @deftypefnx {} {@var{ans} =} input (@var{prompt}, "s")
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1165 Print @var{prompt} and wait for user input.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1166
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1167 For example,
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1168
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1169 @example
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1170 input ("Pick a number, any number! ")
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1171 @end example
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1172
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1173 @noindent
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1174 prints the prompt
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1175
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1176 @example
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1177 Pick a number, any number!
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1178 @end example
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1179
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1180 @noindent
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1181 and waits for the user to enter a value. The string entered by the user
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1182 is evaluated as an expression, so it may be a literal constant, a variable
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1183 name, or any other valid Octave code.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1184
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1185 The number of return arguments, their size, and their class depend on the
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1186 expression entered.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1187
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1188 If you are only interested in getting a literal string value, you can call
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1189 @code{input} with the character string @qcode{"s"} as the second argument.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1190 This tells Octave to return the string entered by the user directly, without
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1191 evaluating it first.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1192
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1193 Because there may be output waiting to be displayed by the pager, it is a
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1194 good idea to always call @code{fflush (stdout)} before calling @code{input}.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1195 This will ensure that all pending output is written to the screen before
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1196 your prompt.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1197 @seealso{yes_or_no, kbhit, pause, menu, listdlg}
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1198 @end deftypefn */)
529 7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe] jwe parents: 339 diff changeset	1199 {
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe] jwe parents: 339 diff changeset	1200 int nargin = args.length ();
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe] jwe parents: 339 diff changeset	1201
20801 a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20756 diff changeset	1202 if (nargin < 1 \|\| nargin > 2)
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5794 diff changeset	1203 print_usage ();
529 7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe] jwe parents: 339 diff changeset	1204
25407 ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	1205 octave::input_system& input_sys = interp.get_input_system ();
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	1206
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	1207 return input_sys.get_user_input (args, std::max (nargout, 1));
529 7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe] jwe parents: 339 diff changeset	1208 }
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe] jwe parents: 339 diff changeset	1209
25407 ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	1210 DEFMETHOD (yes_or_no, interp, args, ,
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	1211 doc: /* -- texinfo --
21966 112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1212 @deftypefn {} {@var{ans} =} yes_or_no ("@var{prompt}")
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1213 Ask the user a yes-or-no question.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1214
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1215 Return logical true if the answer is yes or false if the answer is no.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1216
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1217 Takes one argument, @var{prompt}, which is the string to display when asking
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1218 the question. @var{prompt} should end in a space; @code{yes-or-no} adds the
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1219 string @samp{(yes or no) } to it. The user must confirm the answer with
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1220 @key{RET} and can edit it until it has been confirmed.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1221 @seealso{input}
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1222 @end deftypefn */)
5640 426719471ac6 [project @ 2006-03-04 06:02:14 by jwe] jwe parents: 5388 diff changeset	1223 {
426719471ac6 [project @ 2006-03-04 06:02:14 by jwe] jwe parents: 5388 diff changeset	1224 int nargin = args.length ();
426719471ac6 [project @ 2006-03-04 06:02:14 by jwe] jwe parents: 5388 diff changeset	1225
20801 a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20756 diff changeset	1226 if (nargin > 1)
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5794 diff changeset	1227 print_usage ();
5640 426719471ac6 [project @ 2006-03-04 06:02:14 by jwe] jwe parents: 5388 diff changeset	1228
25407 ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	1229 octave::input_system& input_sys = interp.get_input_system ();
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	1230
20801 a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20756 diff changeset	1231 std::string prompt;
a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20756 diff changeset	1232
a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20756 diff changeset	1233 if (nargin == 1)
a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20756 diff changeset	1234 prompt = args(0).xstring_value ("yes_or_no: PROMPT must be a string");
a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20756 diff changeset	1235
25407 ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	1236 return ovl (input_sys.yes_or_no (prompt));
23728 b40b7243a782 new class for caching file contents for debug and echo John W. Eaton <jwe@octave.org> parents: 23723 diff changeset	1237 }
b40b7243a782 new class for caching file contents for debug and echo John W. Eaton <jwe@octave.org> parents: 23723 diff changeset	1238
23553 14723784b9f2 don't use singleton for call_stack John W. Eaton <jwe@octave.org> parents: 23532 diff changeset	1239 DEFMETHOD (keyboard, interp, args, ,
14723784b9f2 don't use singleton for call_stack John W. Eaton <jwe@octave.org> parents: 23532 diff changeset	1240 doc: /* -- texinfo --
21966 112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1241 @deftypefn {} {} keyboard ()
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1242 @deftypefnx {} {} keyboard ("@var{prompt}")
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1243 Stop m-file execution and enter debug mode.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1244
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1245 When the @code{keyboard} function is executed, Octave prints a prompt and
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1246 waits for user input. The input strings are then evaluated and the results
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1247 are printed. This makes it possible to examine the values of variables
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1248 within a function, and to assign new values if necessary. To leave the
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1249 prompt and return to normal execution type @samp{return} or @samp{dbcont}.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1250 The @code{keyboard} function does not return an exit status.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1251
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1252 If @code{keyboard} is invoked without arguments, a default prompt of
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1253 @samp{debug> } is used.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1254 @seealso{dbstop, dbcont, dbquit}
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1255 @end deftypefn */)
529 7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe] jwe parents: 339 diff changeset	1256 {
20819 f428cbe7576f eliminate unnecessary uses of nargin John W. Eaton <jwe@octave.org> parents: 20817 diff changeset	1257 if (args.length () > 1)
20801 a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20756 diff changeset	1258 print_usage ();
10186 095a1e670e68 make dbstep work with keyboard function John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1259
21743 f4d7d0eb5b0c use namespace for unwind_protect class John W. Eaton <jwe@octave.org> parents: 21730 diff changeset	1260 octave::unwind_protect frame;
9483 25c2e92ee03c correctly skip frame assigned to keyboard function John W. Eaton <jwe@octave.org> parents: 9482 diff changeset	1261
23553 14723784b9f2 don't use singleton for call_stack John W. Eaton <jwe@octave.org> parents: 23532 diff changeset	1262 octave::call_stack& cs = interp.get_call_stack ();
14723784b9f2 don't use singleton for call_stack John W. Eaton <jwe@octave.org> parents: 23532 diff changeset	1263
14723784b9f2 don't use singleton for call_stack John W. Eaton <jwe@octave.org> parents: 23532 diff changeset	1264 frame.add_method (cs, &octave::call_stack::restore_frame,
14723784b9f2 don't use singleton for call_stack John W. Eaton <jwe@octave.org> parents: 23532 diff changeset	1265 cs.current_frame ());
9483 25c2e92ee03c correctly skip frame assigned to keyboard function John W. Eaton <jwe@octave.org> parents: 9482 diff changeset	1266
20801 a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20756 diff changeset	1267 // Skip the frame assigned to the keyboard function.
23553 14723784b9f2 don't use singleton for call_stack John W. Eaton <jwe@octave.org> parents: 23532 diff changeset	1268 cs.goto_frame_relative (0);
10186 095a1e670e68 make dbstep work with keyboard function John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1269
25402 ef2b9d4abf4a eliminate some global variables from tree_evaluator John W. Eaton <jwe@octave.org> parents: 25392 diff changeset	1270 octave::tree_evaluator& tw = interp.get_evaluator ();
20801 a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20756 diff changeset	1271
25402 ef2b9d4abf4a eliminate some global variables from tree_evaluator John W. Eaton <jwe@octave.org> parents: 25392 diff changeset	1272 tw.debug_mode (true);
ef2b9d4abf4a eliminate some global variables from tree_evaluator John W. Eaton <jwe@octave.org> parents: 25392 diff changeset	1273 tw.quiet_breakpoint_flag (false);
ef2b9d4abf4a eliminate some global variables from tree_evaluator John W. Eaton <jwe@octave.org> parents: 25392 diff changeset	1274 tw.current_frame (cs.current_frame ());
20801 a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20756 diff changeset	1275
25407 ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	1276 octave::input_system& input_sys = interp.get_input_system ();
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	1277
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	1278 input_sys.keyboard (args);
529 7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe] jwe parents: 339 diff changeset	1279
20941 a4f5da7c5463 maint: Replace "octave_value_list ()" with "ovl ()". Rik <rik@octave.org> parents: 20940 diff changeset	1280 return ovl ();
529 7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe] jwe parents: 339 diff changeset	1281 }
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe] jwe parents: 339 diff changeset	1282
2234 a174011c96f2 [project @ 1996-05-17 17:51:20 by jwe] jwe parents: 2205 diff changeset	1283 DEFUN (completion_matches, args, nargout,
21966 112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1284 doc: /* -- texinfo --
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1285 @deftypefn {} {} completion_matches (@var{hint})
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1286 Generate possible completions given @var{hint}.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1287
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1288 This function is provided for the benefit of programs like Emacs which
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1289 might be controlling Octave and handling user input. The current
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1290 command number is not incremented when this function is called. This is
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1291 a feature, not a bug.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1292 @end deftypefn */)
2234 a174011c96f2 [project @ 1996-05-17 17:51:20 by jwe] jwe parents: 2205 diff changeset	1293 {
20819 f428cbe7576f eliminate unnecessary uses of nargin John W. Eaton <jwe@octave.org> parents: 20817 diff changeset	1294 if (args.length () != 1)
20801 a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20756 diff changeset	1295 print_usage ();
2234 a174011c96f2 [project @ 1996-05-17 17:51:20 by jwe] jwe parents: 2205 diff changeset	1296
20939 b17fda023ca6 maint: Use new C++ archetype in more files. Rik <rik@octave.org> parents: 20853 diff changeset	1297 octave_value retval;
b17fda023ca6 maint: Use new C++ archetype in more files. Rik <rik@octave.org> parents: 20853 diff changeset	1298
20801 a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20756 diff changeset	1299 std::string hint = args(0).string_value ();
2234 a174011c96f2 [project @ 1996-05-17 17:51:20 by jwe] jwe parents: 2205 diff changeset	1300
20801 a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20756 diff changeset	1301 int n = 32;
a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20756 diff changeset	1302
a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20756 diff changeset	1303 string_vector list (n);
20555 f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20239 diff changeset	1304
20801 a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20756 diff changeset	1305 int k = 0;
2234 a174011c96f2 [project @ 1996-05-17 17:51:20 by jwe] jwe parents: 2205 diff changeset	1306
20801 a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20756 diff changeset	1307 for (;;)
a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20756 diff changeset	1308 {
a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20756 diff changeset	1309 std::string cmd = generate_completion (hint, k);
a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20756 diff changeset	1310
a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20756 diff changeset	1311 if (! cmd.empty ())
20555 f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20239 diff changeset	1312 {
20801 a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20756 diff changeset	1313 if (k == n)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10186 diff changeset	1314 {
20801 a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20756 diff changeset	1315 n *= 2;
a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20756 diff changeset	1316 list.resize (n);
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10186 diff changeset	1317 }
2234 a174011c96f2 [project @ 1996-05-17 17:51:20 by jwe] jwe parents: 2205 diff changeset	1318
20801 a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20756 diff changeset	1319 list[k++] = cmd;
20555 f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20239 diff changeset	1320 }
f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20239 diff changeset	1321 else
f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20239 diff changeset	1322 {
20801 a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20756 diff changeset	1323 list.resize (k);
a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20756 diff changeset	1324 break;
a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20756 diff changeset	1325 }
a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20756 diff changeset	1326 }
20555 f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20239 diff changeset	1327
20801 a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20756 diff changeset	1328 if (nargout > 0)
a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20756 diff changeset	1329 {
a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20756 diff changeset	1330 if (! list.empty ())
a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20756 diff changeset	1331 retval = list;
a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20756 diff changeset	1332 else
a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20756 diff changeset	1333 retval = "";
2234 a174011c96f2 [project @ 1996-05-17 17:51:20 by jwe] jwe parents: 2205 diff changeset	1334 }
a174011c96f2 [project @ 1996-05-17 17:51:20 by jwe] jwe parents: 2205 diff changeset	1335 else
20801 a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20756 diff changeset	1336 {
a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20756 diff changeset	1337 // We don't use string_vector::list_in_columns here
a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20756 diff changeset	1338 // because it will be easier for Emacs if the names
a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20756 diff changeset	1339 // appear in a single column.
a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20756 diff changeset	1340
a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20756 diff changeset	1341 int len = list.numel ();
a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20756 diff changeset	1342
a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20756 diff changeset	1343 for (int i = 0; i < len; i++)
a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20756 diff changeset	1344 octave_stdout << list[i] << "\n";
a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20756 diff changeset	1345 }
a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20756 diff changeset	1346
a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20756 diff changeset	1347 octave_completion_matches_called = true;
2234 a174011c96f2 [project @ 1996-05-17 17:51:20 by jwe] jwe parents: 2205 diff changeset	1348
a174011c96f2 [project @ 1996-05-17 17:51:20 by jwe] jwe parents: 2205 diff changeset	1349 return retval;
a174011c96f2 [project @ 1996-05-17 17:51:20 by jwe] jwe parents: 2205 diff changeset	1350 }
a174011c96f2 [project @ 1996-05-17 17:51:20 by jwe] jwe parents: 2205 diff changeset	1351
20239 48284e32530b test: Add tests for 'echo' and 'completion_matches' builtins Mike Miller <mtmiller@octave.org> parents: 20232 diff changeset	1352 /*
48284e32530b test: Add tests for 'echo' and 'completion_matches' builtins Mike Miller <mtmiller@octave.org> parents: 20232 diff changeset	1353 %!assert (ischar (completion_matches ("")))
48284e32530b test: Add tests for 'echo' and 'completion_matches' builtins Mike Miller <mtmiller@octave.org> parents: 20232 diff changeset	1354 %!assert (ischar (completion_matches ("a")))
48284e32530b test: Add tests for 'echo' and 'completion_matches' builtins Mike Miller <mtmiller@octave.org> parents: 20232 diff changeset	1355 %!assert (ischar (completion_matches (" ")))
48284e32530b test: Add tests for 'echo' and 'completion_matches' builtins Mike Miller <mtmiller@octave.org> parents: 20232 diff changeset	1356 %!assert (isempty (completion_matches (" ")))
48284e32530b test: Add tests for 'echo' and 'completion_matches' builtins Mike Miller <mtmiller@octave.org> parents: 20232 diff changeset	1357 %!assert (any (strcmp ("abs", deblank (cellstr (completion_matches (""))))))
48284e32530b test: Add tests for 'echo' and 'completion_matches' builtins Mike Miller <mtmiller@octave.org> parents: 20232 diff changeset	1358 %!assert (any (strcmp ("abs", deblank (cellstr (completion_matches ("a"))))))
48284e32530b test: Add tests for 'echo' and 'completion_matches' builtins Mike Miller <mtmiller@octave.org> parents: 20232 diff changeset	1359 %!assert (any (strcmp ("abs", deblank (cellstr (completion_matches ("ab"))))))
48284e32530b test: Add tests for 'echo' and 'completion_matches' builtins Mike Miller <mtmiller@octave.org> parents: 20232 diff changeset	1360 %!assert (any (strcmp ("abs", deblank (cellstr (completion_matches ("abs"))))))
48284e32530b test: Add tests for 'echo' and 'completion_matches' builtins Mike Miller <mtmiller@octave.org> parents: 20232 diff changeset	1361 %!assert (! any (strcmp ("abs", deblank (cellstr (completion_matches ("absa"))))))
48284e32530b test: Add tests for 'echo' and 'completion_matches' builtins Mike Miller <mtmiller@octave.org> parents: 20232 diff changeset	1362
48284e32530b test: Add tests for 'echo' and 'completion_matches' builtins Mike Miller <mtmiller@octave.org> parents: 20232 diff changeset	1363 %!error completion_matches ()
48284e32530b test: Add tests for 'echo' and 'completion_matches' builtins Mike Miller <mtmiller@octave.org> parents: 20232 diff changeset	1364 %!error completion_matches (1, 2)
48284e32530b test: Add tests for 'echo' and 'completion_matches' builtins Mike Miller <mtmiller@octave.org> parents: 20232 diff changeset	1365 */
48284e32530b test: Add tests for 'echo' and 'completion_matches' builtins Mike Miller <mtmiller@octave.org> parents: 20232 diff changeset	1366
16879 cc3743a91652 Rename read_readline_init_file to readline_read_init_file. Rik <rik@octave.org> parents: 16816 diff changeset	1367 DEFUN (readline_read_init_file, args, ,
21966 112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1368 doc: /* -- texinfo --
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1369 @deftypefn {} {} readline_read_init_file (@var{file})
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1370 Read the readline library initialization file @var{file}.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1371
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1372 If @var{file} is omitted, read the default initialization file
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1373 (normally @file{~/.inputrc}).
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1374
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1375 @xref{Readline Init File, , , readline, GNU Readline Library},
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1376 for details.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1377 @seealso{readline_re_read_init_file}
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1378 @end deftypefn */)
3189 bef7b73c0724 [project @ 1998-10-16 18:05:26 by jwe] jwe parents: 3180 diff changeset	1379 {
bef7b73c0724 [project @ 1998-10-16 18:05:26 by jwe] jwe parents: 3180 diff changeset	1380 int nargin = args.length ();
bef7b73c0724 [project @ 1998-10-16 18:05:26 by jwe] jwe parents: 3180 diff changeset	1381
20801 a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20756 diff changeset	1382 if (nargin > 1)
a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20756 diff changeset	1383 print_usage ();
a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20756 diff changeset	1384
3189 bef7b73c0724 [project @ 1998-10-16 18:05:26 by jwe] jwe parents: 3180 diff changeset	1385 if (nargin == 0)
21748 176536b15d68 use namespace for command_editor and command_history classes John W. Eaton <jwe@octave.org> parents: 21743 diff changeset	1386 octave::command_editor::read_init_file ();
20801 a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20756 diff changeset	1387 else
3189 bef7b73c0724 [project @ 1998-10-16 18:05:26 by jwe] jwe parents: 3180 diff changeset	1388 {
5872 44f24cf66b95 [project @ 2006-06-30 18:19:20 by jwe] jwe parents: 5832 diff changeset	1389 std::string file = args(0).string_value ();
3189 bef7b73c0724 [project @ 1998-10-16 18:05:26 by jwe] jwe parents: 3180 diff changeset	1390
21748 176536b15d68 use namespace for command_editor and command_history classes John W. Eaton <jwe@octave.org> parents: 21743 diff changeset	1391 octave::command_editor::read_init_file (file);
3189 bef7b73c0724 [project @ 1998-10-16 18:05:26 by jwe] jwe parents: 3180 diff changeset	1392 }
bef7b73c0724 [project @ 1998-10-16 18:05:26 by jwe] jwe parents: 3180 diff changeset	1393
20941 a4f5da7c5463 maint: Replace "octave_value_list ()" with "ovl ()". Rik <rik@octave.org> parents: 20940 diff changeset	1394 return ovl ();
3189 bef7b73c0724 [project @ 1998-10-16 18:05:26 by jwe] jwe parents: 3180 diff changeset	1395 }
bef7b73c0724 [project @ 1998-10-16 18:05:26 by jwe] jwe parents: 3180 diff changeset	1396
16880 1aebb613a5ac Rename re_read_readline_init_file to readline_re_read_init_file. Rik <rik@octave.org> parents: 16879 diff changeset	1397 DEFUN (readline_re_read_init_file, args, ,
21966 112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1398 doc: /* -- texinfo --
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1399 @deftypefn {} {} readline_re_read_init_file ()
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1400 Re-read the last readline library initialization file that was read.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1401
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1402 @xref{Readline Init File, , , readline, GNU Readline Library},
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1403 for details.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1404 @seealso{readline_read_init_file}
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1405 @end deftypefn */)
7758 8e14a01ffe9f input.cc (Fre_read_readline_init_file): new function John W. Eaton <jwe@octave.org> parents: 7752 diff changeset	1406 {
20801 a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20756 diff changeset	1407 if (args.length () != 0)
7758 8e14a01ffe9f input.cc (Fre_read_readline_init_file): new function John W. Eaton <jwe@octave.org> parents: 7752 diff changeset	1408 print_usage ();
8e14a01ffe9f input.cc (Fre_read_readline_init_file): new function John W. Eaton <jwe@octave.org> parents: 7752 diff changeset	1409
21748 176536b15d68 use namespace for command_editor and command_history classes John W. Eaton <jwe@octave.org> parents: 21743 diff changeset	1410 octave::command_editor::re_read_init_file ();
20801 a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20756 diff changeset	1411
20941 a4f5da7c5463 maint: Replace "octave_value_list ()" with "ovl ()". Rik <rik@octave.org> parents: 20940 diff changeset	1412 return ovl ();
7758 8e14a01ffe9f input.cc (Fre_read_readline_init_file): new function John W. Eaton <jwe@octave.org> parents: 7752 diff changeset	1413 }
8e14a01ffe9f input.cc (Fre_read_readline_init_file): new function John W. Eaton <jwe@octave.org> parents: 7752 diff changeset	1414
16349 610617eb84d1 provide pre- and post-input hook functions John W. Eaton <jwe@octave.org> parents: 16347 diff changeset	1415 static int
610617eb84d1 provide pre- and post-input hook functions John W. Eaton <jwe@octave.org> parents: 16347 diff changeset	1416 internal_input_event_hook_fcn (void)
610617eb84d1 provide pre- and post-input hook functions John W. Eaton <jwe@octave.org> parents: 16347 diff changeset	1417 {
25407 ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	1418 octave::input_system& input_sys
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	1419 = octave::__get_input_system__ ("internal_input_event_hook_fcn");
16349 610617eb84d1 provide pre- and post-input hook functions John W. Eaton <jwe@octave.org> parents: 16347 diff changeset	1420
25407 ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	1421 input_sys.run_input_event_hooks ();
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	1422
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	1423 if (! input_sys.have_input_event_hooks ())
21748 176536b15d68 use namespace for command_editor and command_history classes John W. Eaton <jwe@octave.org> parents: 21743 diff changeset	1424 octave::command_editor::remove_event_hook (internal_input_event_hook_fcn);
16152 c48847a781d5 * input.cc (input_event_hook): Return 0. John W. Eaton <jwe@octave.org> parents: 16151 diff changeset	1425
c48847a781d5 * input.cc (input_event_hook): Return 0. John W. Eaton <jwe@octave.org> parents: 16151 diff changeset	1426 return 0;
3498 e391aeef2b3c [project @ 2000-01-31 03:17:14 by jwe] jwe parents: 3484 diff changeset	1427 }
e391aeef2b3c [project @ 2000-01-31 03:17:14 by jwe] jwe parents: 3484 diff changeset	1428
25407 ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	1429 DEFMETHOD (add_input_event_hook, interp, args, ,
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	1430 doc: /* -- texinfo --
21966 112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1431 @deftypefn {} {@var{id} =} add_input_event_hook (@var{fcn})
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1432 @deftypefnx {} {@var{id} =} add_input_event_hook (@var{fcn}, @var{data})
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1433 Add the named function or function handle @var{fcn} to the list of functions
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1434 to call periodically when Octave is waiting for input.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1435
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1436 The function should have the form
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1437
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1438 @example
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1439 @var{fcn} (@var{data})
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1440 @end example
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1441
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1442 If @var{data} is omitted, Octave calls the function without any arguments.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1443
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1444 The returned identifier may be used to remove the function handle from the
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1445 list of input hook functions.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1446 @seealso{remove_input_event_hook}
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1447 @end deftypefn */)
3498 e391aeef2b3c [project @ 2000-01-31 03:17:14 by jwe] jwe parents: 3484 diff changeset	1448 {
e391aeef2b3c [project @ 2000-01-31 03:17:14 by jwe] jwe parents: 3484 diff changeset	1449 int nargin = args.length ();
e391aeef2b3c [project @ 2000-01-31 03:17:14 by jwe] jwe parents: 3484 diff changeset	1450
20801 a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20756 diff changeset	1451 if (nargin < 1 \|\| nargin > 2)
9215 1500d0197484 allow multiple input event hook functions to be installed simultaneously John W. Eaton <jwe@octave.org> parents: 9134 diff changeset	1452 print_usage ();
3498 e391aeef2b3c [project @ 2000-01-31 03:17:14 by jwe] jwe parents: 3484 diff changeset	1453
20801 a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20756 diff changeset	1454 octave_value user_data;
a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20756 diff changeset	1455
a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20756 diff changeset	1456 if (nargin == 2)
a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20756 diff changeset	1457 user_data = args(1);
a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20756 diff changeset	1458
25407 ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	1459 octave::input_system& input_sys = interp.get_input_system ();
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	1460
20801 a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20756 diff changeset	1461 hook_function hook_fcn (args(0), user_data);
a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20756 diff changeset	1462
25407 ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	1463 if (! input_sys.have_input_event_hooks ())
21748 176536b15d68 use namespace for command_editor and command_history classes John W. Eaton <jwe@octave.org> parents: 21743 diff changeset	1464 octave::command_editor::add_event_hook (internal_input_event_hook_fcn);
20801 a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20756 diff changeset	1465
25407 ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	1466 input_sys.add_input_event_hook (hook_fcn);
20801 a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20756 diff changeset	1467
21127 df7891224709 maint: Use "return ovl (...)" in DEFUN macros. Rik <rik@octave.org> parents: 21100 diff changeset	1468 return ovl (hook_fcn.id ());
9215 1500d0197484 allow multiple input event hook functions to be installed simultaneously John W. Eaton <jwe@octave.org> parents: 9134 diff changeset	1469 }
3498 e391aeef2b3c [project @ 2000-01-31 03:17:14 by jwe] jwe parents: 3484 diff changeset	1470
25407 ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	1471 DEFMETHOD (remove_input_event_hook, interp, args, ,
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	1472 doc: /* -- texinfo --
21966 112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1473 @deftypefn {} {} remove_input_event_hook (@var{name})
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1474 @deftypefnx {} {} remove_input_event_hook (@var{fcn_id})
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1475 Remove the named function or function handle with the given identifier
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1476 from the list of functions to call periodically when Octave is waiting
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1477 for input.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1478 @seealso{add_input_event_hook}
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1479 @end deftypefn */)
9215 1500d0197484 allow multiple input event hook functions to be installed simultaneously John W. Eaton <jwe@octave.org> parents: 9134 diff changeset	1480 {
1500d0197484 allow multiple input event hook functions to be installed simultaneously John W. Eaton <jwe@octave.org> parents: 9134 diff changeset	1481 int nargin = args.length ();
1500d0197484 allow multiple input event hook functions to be installed simultaneously John W. Eaton <jwe@octave.org> parents: 9134 diff changeset	1482
20801 a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20756 diff changeset	1483 if (nargin < 1 \|\| nargin > 2)
a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20756 diff changeset	1484 print_usage ();
16347 bf8397caeff1 allow add_input_event_hook to accept function handles John W. Eaton <jwe@octave.org> parents: 16336 diff changeset	1485
20801 a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20756 diff changeset	1486 std::string hook_fcn_id = args(0).string_value ("remove_input_event_hook: argument not valid as a hook function name or id");
3498 e391aeef2b3c [project @ 2000-01-31 03:17:14 by jwe] jwe parents: 3484 diff changeset	1487
20801 a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20756 diff changeset	1488 bool warn = (nargin < 2);
3498 e391aeef2b3c [project @ 2000-01-31 03:17:14 by jwe] jwe parents: 3484 diff changeset	1489
25407 ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	1490 octave::input_system& input_sys = interp.get_input_system ();
3498 e391aeef2b3c [project @ 2000-01-31 03:17:14 by jwe] jwe parents: 3484 diff changeset	1491
25407 ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	1492 if (! input_sys.remove_input_event_hook (hook_fcn_id) && warn)
20801 a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20756 diff changeset	1493 warning ("remove_input_event_hook: %s not found in list",
a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20756 diff changeset	1494 hook_fcn_id.c_str ());
a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20756 diff changeset	1495
25407 ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	1496 if (! input_sys.have_input_event_hooks ())
21748 176536b15d68 use namespace for command_editor and command_history classes John W. Eaton <jwe@octave.org> parents: 21743 diff changeset	1497 octave::command_editor::remove_event_hook (internal_input_event_hook_fcn);
3498 e391aeef2b3c [project @ 2000-01-31 03:17:14 by jwe] jwe parents: 3484 diff changeset	1498
20941 a4f5da7c5463 maint: Replace "octave_value_list ()" with "ovl ()". Rik <rik@octave.org> parents: 20940 diff changeset	1499 return ovl ();
3498 e391aeef2b3c [project @ 2000-01-31 03:17:14 by jwe] jwe parents: 3484 diff changeset	1500 }
e391aeef2b3c [project @ 2000-01-31 03:17:14 by jwe] jwe parents: 3484 diff changeset	1501
25407 ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	1502 DEFMETHOD (PS1, interp, args, nargout,
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	1503 doc: /* -- texinfo --
21966 112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1504 @deftypefn {} {@var{val} =} PS1 ()
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1505 @deftypefnx {} {@var{old_val} =} PS1 (@var{new_val})
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1506 @deftypefnx {} {} PS1 (@var{new_val}, "local")
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1507 Query or set the primary prompt string.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1508
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1509 When executing interactively, Octave displays the primary prompt when it is
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1510 ready to read a command.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1511
24595 5ed2e9248ee9 doc: Tweaks to use single quotes instead of double quotes (bug #52870). Rik <rik@octave.org> parents: 23219 diff changeset	1512 The default value of the primary prompt string is @qcode{'octave:\#> '}.
21966 112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1513 To change it, use a command like
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1514
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1515 @example
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1516 PS1 ("\\u@@\\H> ")
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1517 @end example
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1518
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1519 @noindent
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1520 which will result in the prompt @samp{boris@@kremvax> } for the user
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1521 @samp{boris} logged in on the host @samp{kremvax.kgb.su}. Note that two
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1522 backslashes are required to enter a backslash into a double-quoted
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1523 character string. @xref{Strings}.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1524
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1525 You can also use ANSI escape sequences if your terminal supports them.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1526 This can be useful for coloring the prompt. For example,
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1527
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1528 @example
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1529 PS1 ('\[\033[01;31m\]\s:\#> \[\033[0m\]')
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1530 @end example
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1531
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1532 @noindent
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1533 will give the default Octave prompt a red coloring.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1534
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1535 When called from inside a function with the @qcode{"local"} option, the
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1536 variable is changed locally for the function and any subroutines it calls.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1537 The original variable value is restored when exiting the function.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1538 @seealso{PS2, PS4}
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1539 @end deftypefn */)
5794 1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5775 diff changeset	1540 {
25407 ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	1541 octave::input_system& input_sys = interp.get_input_system ();
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	1542
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	1543 return input_sys.PS1 (args, nargout);
5794 1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5775 diff changeset	1544 }
2181 138b3c98dc85 [project @ 1996-05-13 18:02:31 by jwe] jwe parents: 2114 diff changeset	1545
25407 ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	1546 DEFMETHOD (PS2, interp, args, nargout,
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	1547 doc: /* -- texinfo --
21966 112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1548 @deftypefn {} {@var{val} =} PS2 ()
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1549 @deftypefnx {} {@var{old_val} =} PS2 (@var{new_val})
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1550 @deftypefnx {} {} PS2 (@var{new_val}, "local")
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1551 Query or set the secondary prompt string.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1552
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1553 The secondary prompt is printed when Octave is expecting additional input to
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1554 complete a command. For example, if you are typing a @code{for} loop that
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1555 spans several lines, Octave will print the secondary prompt at the beginning
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1556 of each line after the first. The default value of the secondary prompt
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1557 string is @qcode{"> "}.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1558
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1559 When called from inside a function with the @qcode{"local"} option, the
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1560 variable is changed locally for the function and any subroutines it calls.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1561 The original variable value is restored when exiting the function.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1562 @seealso{PS1, PS4}
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1563 @end deftypefn */)
5794 1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5775 diff changeset	1564 {
25407 ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	1565 octave::input_system& input_sys = interp.get_input_system ();
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	1566
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	1567 return input_sys.PS2 (args, nargout);
5794 1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5775 diff changeset	1568 }
2181 138b3c98dc85 [project @ 1996-05-13 18:02:31 by jwe] jwe parents: 2114 diff changeset	1569
25407 ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	1570 DEFMETHOD (completion_append_char, interp, args, nargout,
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	1571 doc: /* -- texinfo --
21966 112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1572 @deftypefn {} {@var{val} =} completion_append_char ()
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1573 @deftypefnx {} {@var{old_val} =} completion_append_char (@var{new_val})
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1574 @deftypefnx {} {} completion_append_char (@var{new_val}, "local")
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1575 Query or set the internal character variable that is appended to
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1576 successful command-line completion attempts.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1577
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1578 The default value is @qcode{" "} (a single space).
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1579
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1580 When called from inside a function with the @qcode{"local"} option, the
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1581 variable is changed locally for the function and any subroutines it calls.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1582 The original variable value is restored when exiting the function.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1583 @end deftypefn */)
5794 1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5775 diff changeset	1584 {
25407 ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	1585 octave::input_system& input_sys = interp.get_input_system ();
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	1586
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	1587 return input_sys.completion_append_char (args, nargout);
5794 1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5775 diff changeset	1588 }
3019 92aa3d651723 [project @ 1997-06-03 22:07:16 by jwe] jwe parents: 3016 diff changeset	1589
25407 ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	1590 DEFMETHOD (__request_drawnow__, , args, ,
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	1591 doc: /* -- texinfo --
21966 112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1592 @deftypefn {} {} __request_drawnow__ ()
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1593 @deftypefnx {} {} __request_drawnow__ (@var{flag})
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1594 Undocumented internal function.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1595 @end deftypefn */)
6257 44c91c5dfe1d [project @ 2007-01-30 19:16:52 by jwe] jwe parents: 6206 diff changeset	1596 {
44c91c5dfe1d [project @ 2007-01-30 19:16:52 by jwe] jwe parents: 6206 diff changeset	1597 int nargin = args.length ();
44c91c5dfe1d [project @ 2007-01-30 19:16:52 by jwe] jwe parents: 6206 diff changeset	1598
20801 a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20756 diff changeset	1599 if (nargin > 1)
a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20756 diff changeset	1600 print_usage ();
a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20756 diff changeset	1601
6257 44c91c5dfe1d [project @ 2007-01-30 19:16:52 by jwe] jwe parents: 6206 diff changeset	1602 if (nargin == 0)
44c91c5dfe1d [project @ 2007-01-30 19:16:52 by jwe] jwe parents: 6206 diff changeset	1603 Vdrawnow_requested = true;
20801 a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20756 diff changeset	1604 else
6257 44c91c5dfe1d [project @ 2007-01-30 19:16:52 by jwe] jwe parents: 6206 diff changeset	1605 Vdrawnow_requested = args(0).bool_value ();
44c91c5dfe1d [project @ 2007-01-30 19:16:52 by jwe] jwe parents: 6206 diff changeset	1606
20941 a4f5da7c5463 maint: Replace "octave_value_list ()" with "ovl ()". Rik <rik@octave.org> parents: 20940 diff changeset	1607 return ovl ();
6257 44c91c5dfe1d [project @ 2007-01-30 19:16:52 by jwe] jwe parents: 6206 diff changeset	1608 }
44c91c5dfe1d [project @ 2007-01-30 19:16:52 by jwe] jwe parents: 6206 diff changeset	1609
25407 ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	1610 DEFMETHOD (__gud_mode__, interp, args, nargout,
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	1611 doc: /* -- texinfo --
21966 112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1612 @deftypefn {} {} __gud_mode__ ()
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1613 Undocumented internal function.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1614 @end deftypefn */)
7294 fb902b3b2a5d [project @ 2007-12-11 18:55:46 by jwe] jwe parents: 7097 diff changeset	1615 {
25407 ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	1616 octave::input_system& input_sys = interp.get_input_system ();
20939 b17fda023ca6 maint: Use new C++ archetype in more files. Rik <rik@octave.org> parents: 20853 diff changeset	1617
25407 ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	1618 return input_sys.gud_mode (args, nargout);
7294 fb902b3b2a5d [project @ 2007-12-11 18:55:46 by jwe] jwe parents: 7097 diff changeset	1619 }
25361 82445187633e Add support for arbitrary character encodings in m-files (bug #53842). Markus Mützel <markus.muetzel@gmx.de> parents: 25054 diff changeset	1620
25407 ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	1621 DEFMETHOD (__mfile_encoding__, interp, args, nargout,
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	1622 doc: /* -- texinfo --
25361 82445187633e Add support for arbitrary character encodings in m-files (bug #53842). Markus Mützel <markus.muetzel@gmx.de> parents: 25054 diff changeset	1623 @deftypefn {} {@var{current_encoding} =} __mfile_encoding__ (@var{new_encoding})
82445187633e Add support for arbitrary character encodings in m-files (bug #53842). Markus Mützel <markus.muetzel@gmx.de> parents: 25054 diff changeset	1624 Set and query the codepage that is used for reading .m files.
82445187633e Add support for arbitrary character encodings in m-files (bug #53842). Markus Mützel <markus.muetzel@gmx.de> parents: 25054 diff changeset	1625 @end deftypefn */)
82445187633e Add support for arbitrary character encodings in m-files (bug #53842). Markus Mützel <markus.muetzel@gmx.de> parents: 25054 diff changeset	1626 {
25407 ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	1627 octave::input_system& input_sys = interp.get_input_system ();
7294 fb902b3b2a5d [project @ 2007-12-11 18:55:46 by jwe] jwe parents: 7097 diff changeset	1628
25407 ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	1629 return input_sys.mfile_encoding (args, nargout);
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	1630 }
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	1631
25659 e6d3f4f9473c always provide definitions for deprecated functions John W. Eaton <jwe@octave.org> parents: 25620 diff changeset	1632 // Always define these functions. The macro is intended to allow the
e6d3f4f9473c always provide definitions for deprecated functions John W. Eaton <jwe@octave.org> parents: 25620 diff changeset	1633 // declarations to be hidden, not so that Octave will not provide the
e6d3f4f9473c always provide definitions for deprecated functions John W. Eaton <jwe@octave.org> parents: 25620 diff changeset	1634 // functions if they are requested.
25361 82445187633e Add support for arbitrary character encodings in m-files (bug #53842). Markus Mützel <markus.muetzel@gmx.de> parents: 25054 diff changeset	1635
25659 e6d3f4f9473c always provide definitions for deprecated functions John W. Eaton <jwe@octave.org> parents: 25620 diff changeset	1636 // #if defined (OCTAVE_USE_DEPRECATED_FUNCTIONS)
20801 a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20756 diff changeset	1637
25407 ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	1638 bool
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	1639 octave_yes_or_no (const std::string& prompt)
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	1640 {
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	1641 octave::input_system& input_sys
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	1642 = octave::__get_input_system__ ("set_default_prompts");
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	1643
25659 e6d3f4f9473c always provide definitions for deprecated functions John W. Eaton <jwe@octave.org> parents: 25620 diff changeset	1644 return input_sys.yes_or_no (prompt);
25407 ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	1645 }
20939 b17fda023ca6 maint: Use new C++ archetype in more files. Rik <rik@octave.org> parents: 20853 diff changeset	1646
25407 ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	1647 octave_value
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	1648 do_keyboard (const octave_value_list& args)
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	1649 {
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	1650 octave::input_system& input_sys
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	1651 = octave::__get_input_system__ ("do_keyboard");
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	1652
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	1653 return input_sys.keyboard (args);
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	1654 }
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	1655
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	1656 void
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	1657 remove_input_event_hook_functions (void)
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	1658 {
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	1659 octave::input_system& input_sys
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	1660 = octave::__get_input_system__ ("remove_input_event_hook_functions");
7294 fb902b3b2a5d [project @ 2007-12-11 18:55:46 by jwe] jwe parents: 7097 diff changeset	1661
25407 ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	1662 input_sys.clear_input_event_hooks ();
7294 fb902b3b2a5d [project @ 2007-12-11 18:55:46 by jwe] jwe parents: 7097 diff changeset	1663 }
25407 ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	1664
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	1665 // Fix things up so that input can come from the standard input. This
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	1666 // may need to become much more complicated, which is why it's in a
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	1667 // separate function.
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	1668
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	1669 FILE *
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	1670 get_input_from_stdin (void)
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	1671 {
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	1672 octave::command_editor::set_input_stream (stdin);
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	1673 return octave::command_editor::get_input_stream ();
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	1674 }
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25402 diff changeset	1675
25659 e6d3f4f9473c always provide definitions for deprecated functions John W. Eaton <jwe@octave.org> parents: 25620 diff changeset	1676 // #endif

Mercurial > octave

annotate libinterp/corefcn/input.cc @ 26193:9aff537a5704