octave-antonio: src/oct-parse.yy annotate

annotate src/oct-parse.yy @ 13246:0c69a564f2be

additional parfor changes * octave.gperf (octave_kw_id): Use endparfor_kw, not end_parfor_kw. (octave_kw): Use endparfor, not end_parfor. Change all uses. * help.cc (keywords): Include parfor and endparfor in the list. * pt-pr-code.cc (tree_print_code::visit_simple_for_command): Print endparfor if in parallel.

author	John W. Eaton <jwe@octave.org>
date	Thu, 29 Sep 2011 03:35:58 -0400
parents	027a2186cd90
children	7861a5fd3479

rev	line source
1829 7d2982b55242 [project @ 1996-02-02 14:12:59 by jwe] jwe parents: 1826 diff changeset	1 /*
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	2
11523 fd0a3ac60b0e update copyright notices John W. Eaton <jwe@octave.org> parents: 11464 diff changeset	3 Copyright (C) 1993-2011 John W. Eaton
9474 25ed2d6aacf6 Parse nested functions more accurately. David Grundberg <individ@acc.umu.se> parents: 9471 diff changeset	4 Copyright (C) 2009 David Grundberg
11523 fd0a3ac60b0e update copyright notices John W. Eaton <jwe@octave.org> parents: 11464 diff changeset	5 Copyright (C) 2009-2010 VZLU Prague
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	6
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	7 This file is part of Octave.
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	8
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	9 Octave is free software; you can redistribute it and/or modify it
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	10 under the terms of the GNU General Public License as published by the
7016 93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 7001 diff changeset	11 Free Software Foundation; either version 3 of the License, or (at your
93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 7001 diff changeset	12 option) any later version.
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	13
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	14 Octave is distributed in the hope that it will be useful, but WITHOUT
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	15 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	16 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	17 for more details.
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	18
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	19 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: 7001 diff changeset	20 along with Octave; see the file COPYING. If not, see
93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 7001 diff changeset	21 <http://www.gnu.org/licenses/>.
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	22
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	23 */
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	24
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	25 // Parser for Octave.
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	26
767 42731861ee09 [project @ 1994-10-05 21:26:54 by jwe] jwe parents: 751 diff changeset	27 // C decarations.
42731861ee09 [project @ 1994-10-05 21:26:54 by jwe] jwe parents: 751 diff changeset	28
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	29 %{
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	30 #define YYDEBUG 1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	31
240 a99f28f5e351 [project @ 1993-11-30 20:24:36 by jwe] jwe parents: 206 diff changeset	32 #ifdef HAVE_CONFIG_H
1229 7d7c3eaa1d3b [project @ 1995-04-10 01:04:13 by jwe] jwe parents: 1162 diff changeset	33 #include <config.h>
240 a99f28f5e351 [project @ 1993-11-30 20:24:36 by jwe] jwe parents: 206 diff changeset	34 #endif
a99f28f5e351 [project @ 1993-11-30 20:24:36 by jwe] jwe parents: 206 diff changeset	35
3178 09a3064a3a17 [project @ 1998-06-23 03:46:42 by jwe] jwe parents: 3165 diff changeset	36 #include <cassert>
10463 bbe99b2a5ba7 undo recent gnulib-related changes John W. Eaton <jwe@octave.org> parents: 10447 diff changeset	37 #include <cstdio>
bbe99b2a5ba7 undo recent gnulib-related changes John W. Eaton <jwe@octave.org> parents: 10447 diff changeset	38 #include <cstdlib>
2427 2f50b24ce84f [project @ 1996-10-25 06:15:28 by jwe] jwe parents: 2375 diff changeset	39
8950 d865363208d6 include <iosfwd> instead of <iostream> in header files John W. Eaton <jwe@octave.org> parents: 8920 diff changeset	40 #include <iostream>
5484 2ff5363a16bd [project @ 2005-10-06 17:12:12 by jwe] jwe parents: 5472 diff changeset	41 #include <map>
5765 7ba9ad1fec11 [project @ 2006-04-17 05:05:15 by jwe] jwe parents: 5760 diff changeset	42 #include <sstream>
5484 2ff5363a16bd [project @ 2005-10-06 17:12:12 by jwe] jwe parents: 5472 diff changeset	43
3928 e8627dc4bdf2 [project @ 2002-05-03 19:56:01 by jwe] jwe parents: 3903 diff changeset	44 #include "Cell.h"
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	45 #include "Matrix.h"
3021 18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	46 #include "cmd-edit.h"
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	47 #include "cmd-hist.h"
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	48 #include "file-ops.h"
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	49 #include "file-stat.h"
4243 7e4d5b5520e5 [project @ 2002-12-27 05:30:59 by jwe] jwe parents: 4240 diff changeset	50 #include "oct-env.h"
3712 7066a8065e7e [project @ 2000-08-22 06:21:20 by jwe] jwe parents: 3665 diff changeset	51 #include "oct-time.h"
4171 04694e5b4239 [project @ 2002-11-12 20:27:24 by jwe] jwe parents: 4131 diff changeset	52 #include "quit.h"
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	53
3665 0689afb1d001 [project @ 2000-05-11 19:07:56 by jwe] jwe parents: 3544 diff changeset	54 #include "comment-list.h"
4243 7e4d5b5520e5 [project @ 2002-12-27 05:30:59 by jwe] jwe parents: 4240 diff changeset	55 #include "defaults.h"
2166 d68119516779 [project @ 1996-05-13 13:41:55 by jwe] jwe parents: 2124 diff changeset	56 #include "defun.h"
4243 7e4d5b5520e5 [project @ 2002-12-27 05:30:59 by jwe] jwe parents: 4240 diff changeset	57 #include "dirfns.h"
3021 18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	58 #include "dynamic-ld.h"
1351 8256c4c57419 [project @ 1995-09-05 08:02:08 by jwe] jwe parents: 1315 diff changeset	59 #include "error.h"
8256c4c57419 [project @ 1995-09-05 08:02:08 by jwe] jwe parents: 1315 diff changeset	60 #include "input.h"
8256c4c57419 [project @ 1995-09-05 08:02:08 by jwe] jwe parents: 1315 diff changeset	61 #include "lex.h"
5832 5e41e06f6a78 [project @ 2006-05-26 21:41:32 by jwe] jwe parents: 5823 diff changeset	62 #include "load-path.h"
1743 ab8612a09449 [project @ 1996-01-12 11:25:30 by jwe] jwe parents: 1740 diff changeset	63 #include "oct-hist.h"
5626 3236b4d98fde [project @ 2006-02-15 20:25:39 by jwe] jwe parents: 5615 diff changeset	64 #include "oct-map.h"
4935 4fc993a4e072 [project @ 2004-08-06 03:17:12 by jwe] jwe parents: 4930 diff changeset	65 #include "ov-fcn-handle.h"
2970 b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	66 #include "ov-usr-fcn.h"
8150 283989f2da9b make null assignment matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 8064 diff changeset	67 #include "ov-null-mat.h"
1670 6708c53892c1 [project @ 1995-12-27 04:33:00 by jwe] jwe parents: 1623 diff changeset	68 #include "toplev.h"
1351 8256c4c57419 [project @ 1995-09-05 08:02:08 by jwe] jwe parents: 1315 diff changeset	69 #include "pager.h"
8256c4c57419 [project @ 1995-09-05 08:02:08 by jwe] jwe parents: 1315 diff changeset	70 #include "parse.h"
2987 ae20b3f37f5e [project @ 1997-05-16 07:05:15 by jwe] jwe parents: 2982 diff changeset	71 #include "pt-all.h"
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: 8471 diff changeset	72 #include "pt-eval.h"
1351 8256c4c57419 [project @ 1995-09-05 08:02:08 by jwe] jwe parents: 1315 diff changeset	73 #include "symtab.h"
8256c4c57419 [project @ 1995-09-05 08:02:08 by jwe] jwe parents: 1315 diff changeset	74 #include "token.h"
3021 18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	75 #include "unwind-prot.h"
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	76 #include "utils.h"
1351 8256c4c57419 [project @ 1995-09-05 08:02:08 by jwe] jwe parents: 1315 diff changeset	77 #include "variables.h"
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	78
10426 4db7beace28e oct-parse.yy, lex.ll: use symbols via gnulib namespace John W. Eaton <jwe@octave.org> parents: 10411 diff changeset	79 #if defined (GNULIB_NAMESPACE)
4db7beace28e oct-parse.yy, lex.ll: use symbols via gnulib namespace John W. Eaton <jwe@octave.org> parents: 10411 diff changeset	80 // Calls to the following functions appear in the generated output from
4db7beace28e oct-parse.yy, lex.ll: use symbols via gnulib namespace John W. Eaton <jwe@octave.org> parents: 10411 diff changeset	81 // Bison without the namespace tag. Redefine them so we will use them
4db7beace28e oct-parse.yy, lex.ll: use symbols via gnulib namespace John W. Eaton <jwe@octave.org> parents: 10411 diff changeset	82 // via the gnulib namespace.
4db7beace28e oct-parse.yy, lex.ll: use symbols via gnulib namespace John W. Eaton <jwe@octave.org> parents: 10411 diff changeset	83 #define fclose GNULIB_NAMESPACE::fclose
4db7beace28e oct-parse.yy, lex.ll: use symbols via gnulib namespace John W. Eaton <jwe@octave.org> parents: 10411 diff changeset	84 #define fprintf GNULIB_NAMESPACE::fprintf
4db7beace28e oct-parse.yy, lex.ll: use symbols via gnulib namespace John W. Eaton <jwe@octave.org> parents: 10411 diff changeset	85 #define malloc GNULIB_NAMESPACE::malloc
4db7beace28e oct-parse.yy, lex.ll: use symbols via gnulib namespace John W. Eaton <jwe@octave.org> parents: 10411 diff changeset	86 #endif
4db7beace28e oct-parse.yy, lex.ll: use symbols via gnulib namespace John W. Eaton <jwe@octave.org> parents: 10411 diff changeset	87
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	88 // The current input line number.
8447 adab48231a03 make input_line_number work again John W. Eaton <jwe@octave.org> parents: 8311 diff changeset	89 int input_line_number = 1;
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	90
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	91 // The column of the current token.
143 7849db4b6dbc [project @ 1993-10-04 02:36:45 by jwe] jwe parents: 118 diff changeset	92 int current_input_column = 1;
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	93
338 82d30a23c979 [project @ 1994-02-07 07:09:33 by jwe] jwe parents: 336 diff changeset	94 // Buffer for help text snagged from function files.
4426 51a0dcde8778 [project @ 2003-06-13 19:16:37 by jwe] jwe parents: 4343 diff changeset	95 std::stack<std::string> help_buf;
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	96
3665 0689afb1d001 [project @ 2000-05-11 19:07:56 by jwe] jwe parents: 3544 diff changeset	97 // Buffer for comments appearing before a function statement.
0689afb1d001 [project @ 2000-05-11 19:07:56 by jwe] jwe parents: 3544 diff changeset	98 static std::string fcn_comment_header;
0689afb1d001 [project @ 2000-05-11 19:07:56 by jwe] jwe parents: 3544 diff changeset	99
3021 18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	100 // TRUE means we are using readline.
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	101 // (--no-line-editing)
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	102 bool line_editing = true;
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	103
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	104 // TRUE means we printed messages about reading startup files.
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	105 bool reading_startup_message_printed = false;
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	106
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	107 // TRUE means input is coming from startup file.
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	108 bool input_from_startup_file = false;
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	109
9474 25ed2d6aacf6 Parse nested functions more accurately. David Grundberg <individ@acc.umu.se> parents: 9471 diff changeset	110 // = 0 currently outside any function.
25ed2d6aacf6 Parse nested functions more accurately. David Grundberg <individ@acc.umu.se> parents: 9471 diff changeset	111 // = 1 inside the primary function or a subfunction.
25ed2d6aacf6 Parse nested functions more accurately. David Grundberg <individ@acc.umu.se> parents: 9471 diff changeset	112 // > 1 means we are looking at a function definition that seems to be
25ed2d6aacf6 Parse nested functions more accurately. David Grundberg <individ@acc.umu.se> parents: 9471 diff changeset	113 // inside a function. Note that the function still might not be a
25ed2d6aacf6 Parse nested functions more accurately. David Grundberg <individ@acc.umu.se> parents: 9471 diff changeset	114 // nested function.
25ed2d6aacf6 Parse nested functions more accurately. David Grundberg <individ@acc.umu.se> parents: 9471 diff changeset	115 static int current_function_depth = 0;
25ed2d6aacf6 Parse nested functions more accurately. David Grundberg <individ@acc.umu.se> parents: 9471 diff changeset	116
25ed2d6aacf6 Parse nested functions more accurately. David Grundberg <individ@acc.umu.se> parents: 9471 diff changeset	117 // Maximum function depth detected. Just here to determine whether
25ed2d6aacf6 Parse nested functions more accurately. David Grundberg <individ@acc.umu.se> parents: 9471 diff changeset	118 // we have nested functions or just implicitly ended subfunctions.
25ed2d6aacf6 Parse nested functions more accurately. David Grundberg <individ@acc.umu.se> parents: 9471 diff changeset	119 static int max_function_depth = 0;
25ed2d6aacf6 Parse nested functions more accurately. David Grundberg <individ@acc.umu.se> parents: 9471 diff changeset	120
25ed2d6aacf6 Parse nested functions more accurately. David Grundberg <individ@acc.umu.se> parents: 9471 diff changeset	121 // FALSE if we are still at the primary function. Subfunctions can
25ed2d6aacf6 Parse nested functions more accurately. David Grundberg <individ@acc.umu.se> parents: 9471 diff changeset	122 // only be declared inside function files.
25ed2d6aacf6 Parse nested functions more accurately. David Grundberg <individ@acc.umu.se> parents: 9471 diff changeset	123 static int parsing_subfunctions = false;
25ed2d6aacf6 Parse nested functions more accurately. David Grundberg <individ@acc.umu.se> parents: 9471 diff changeset	124
25ed2d6aacf6 Parse nested functions more accurately. David Grundberg <individ@acc.umu.se> parents: 9471 diff changeset	125 // Have we found an explicit end to a function?
25ed2d6aacf6 Parse nested functions more accurately. David Grundberg <individ@acc.umu.se> parents: 9471 diff changeset	126 static bool endfunction_found = false;
4238 a5a68c0afe56 [project @ 2002-12-25 21:04:33 by jwe] jwe parents: 4237 diff changeset	127
3903 1dbe160ea0d1 [project @ 2002-04-23 03:40:25 by jwe] jwe parents: 3883 diff changeset	128 // Keep track of symbol table information when parsing functions.
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	129 std::stack<symbol_table::scope_id> symtab_context;
4238 a5a68c0afe56 [project @ 2002-12-25 21:04:33 by jwe] jwe parents: 4237 diff changeset	130
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	131 // Name of the current class when we are parsing class methods or
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	132 // constructors.
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	133 std::string current_class_name;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	134
5484 2ff5363a16bd [project @ 2005-10-06 17:12:12 by jwe] jwe parents: 5472 diff changeset	135 // TRUE means we are in the process of autoloading a function.
2ff5363a16bd [project @ 2005-10-06 17:12:12 by jwe] jwe parents: 5472 diff changeset	136 static bool autoloading = false;
2ff5363a16bd [project @ 2005-10-06 17:12:12 by jwe] jwe parents: 5472 diff changeset	137
6323 ea65de49e18e [project @ 2007-02-17 02:51:02 by jwe] jwe parents: 6238 diff changeset	138 // TRUE means the current function file was found in a relative path
ea65de49e18e [project @ 2007-02-17 02:51:02 by jwe] jwe parents: 6238 diff changeset	139 // element.
ea65de49e18e [project @ 2007-02-17 02:51:02 by jwe] jwe parents: 6238 diff changeset	140 static bool fcn_file_from_relative_lookup = false;
ea65de49e18e [project @ 2007-02-17 02:51:02 by jwe] jwe parents: 6238 diff changeset	141
9474 25ed2d6aacf6 Parse nested functions more accurately. David Grundberg <individ@acc.umu.se> parents: 9471 diff changeset	142 // Pointer to the primary user function or user script function.
25ed2d6aacf6 Parse nested functions more accurately. David Grundberg <individ@acc.umu.se> parents: 9471 diff changeset	143 static octave_function *primary_fcn_ptr = 0;
25ed2d6aacf6 Parse nested functions more accurately. David Grundberg <individ@acc.umu.se> parents: 9471 diff changeset	144
25ed2d6aacf6 Parse nested functions more accurately. David Grundberg <individ@acc.umu.se> parents: 9471 diff changeset	145 // Scope where we install all subfunctions and nested functions. Only
25ed2d6aacf6 Parse nested functions more accurately. David Grundberg <individ@acc.umu.se> parents: 9471 diff changeset	146 // used while reading function files.
25ed2d6aacf6 Parse nested functions more accurately. David Grundberg <individ@acc.umu.se> parents: 9471 diff changeset	147 static symbol_table::scope_id primary_fcn_scope;
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	148
5484 2ff5363a16bd [project @ 2005-10-06 17:12:12 by jwe] jwe parents: 5472 diff changeset	149 // List of autoloads (function -> file mapping).
2ff5363a16bd [project @ 2005-10-06 17:12:12 by jwe] jwe parents: 5472 diff changeset	150 static std::map<std::string, std::string> autoload_map;
2ff5363a16bd [project @ 2005-10-06 17:12:12 by jwe] jwe parents: 5472 diff changeset	151
496 e7c5b23b34d3 [project @ 1994-07-06 15:02:26 by jwe] jwe parents: 482 diff changeset	152 // Forward declarations for some functions defined at the bottom of
e7c5b23b34d3 [project @ 1994-07-06 15:02:26 by jwe] jwe parents: 482 diff changeset	153 // the file.
e7c5b23b34d3 [project @ 1994-07-06 15:02:26 by jwe] jwe parents: 482 diff changeset	154
e7c5b23b34d3 [project @ 1994-07-06 15:02:26 by jwe] jwe parents: 482 diff changeset	155 // Generic error messages.
2970 b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	156 static void
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	157 yyerror (const char *s);
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	158
578 d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	159 // Error mesages for mismatched end tokens.
2970 b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	160 static void
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	161 end_error (const char *type, token::end_tok_type ettype, int l, int c);
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	162
578 d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	163 // Check to see that end tokens are properly matched.
2970 b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	164 static bool
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	165 end_token_ok (token *tok, token::end_tok_type expected);
496 e7c5b23b34d3 [project @ 1994-07-06 15:02:26 by jwe] jwe parents: 482 diff changeset	166
e7c5b23b34d3 [project @ 1994-07-06 15:02:26 by jwe] jwe parents: 482 diff changeset	167 // Maybe print a warning if an assignment expression is used as the
e7c5b23b34d3 [project @ 1994-07-06 15:02:26 by jwe] jwe parents: 482 diff changeset	168 // test in a logical expression.
2970 b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	169 static void
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	170 maybe_warn_assign_as_truth_value (tree_expression *expr);
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	171
2764 2c0f259cf83d [project @ 1997-03-01 02:30:26 by jwe] jwe parents: 2745 diff changeset	172 // Maybe print a warning about switch labels that aren't constants.
2970 b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	173 static void
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	174 maybe_warn_variable_switch_label (tree_expression *expr);
2764 2c0f259cf83d [project @ 1997-03-01 02:30:26 by jwe] jwe parents: 2745 diff changeset	175
1623 fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	176 // Finish building a range.
2970 b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	177 static tree_expression *
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	178 finish_colon_expression (tree_colon_expression *e);
1623 fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	179
1607 795527e9db19 [project @ 1995-11-02 13:03:36 by jwe] jwe parents: 1588 diff changeset	180 // Build a constant.
2970 b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	181 static tree_constant *
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	182 make_constant (int op, token *tok_val);
1607 795527e9db19 [project @ 1995-11-02 13:03:36 by jwe] jwe parents: 1588 diff changeset	183
4342 813effe14ee1 [project @ 2003-02-20 08:35:55 by jwe] jwe parents: 4318 diff changeset	184 // Build a function handle.
813effe14ee1 [project @ 2003-02-20 08:35:55 by jwe] jwe parents: 4318 diff changeset	185 static tree_fcn_handle *
813effe14ee1 [project @ 2003-02-20 08:35:55 by jwe] jwe parents: 4318 diff changeset	186 make_fcn_handle (token *tok_val);
813effe14ee1 [project @ 2003-02-20 08:35:55 by jwe] jwe parents: 4318 diff changeset	187
4935 4fc993a4e072 [project @ 2004-08-06 03:17:12 by jwe] jwe parents: 4930 diff changeset	188 // Build an anonymous function handle.
5861 2a6cb4ed8f1e [project @ 2006-06-16 05:09:41 by jwe] jwe parents: 5848 diff changeset	189 static tree_anon_fcn_handle *
4935 4fc993a4e072 [project @ 2004-08-06 03:17:12 by jwe] jwe parents: 4930 diff changeset	190 make_anon_fcn_handle (tree_parameter_list param_list, tree_statement stmt);
4fc993a4e072 [project @ 2004-08-06 03:17:12 by jwe] jwe parents: 4930 diff changeset	191
578 d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	192 // Build a binary expression.
2970 b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	193 static tree_expression *
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	194 make_binary_op (int op, tree_expression op1, token tok_val,
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	195 tree_expression *op2);
578 d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	196
2375 7ef24992e290 [project @ 1996-10-12 00:39:52 by jwe] jwe parents: 2200 diff changeset	197 // Build a boolean expression.
2970 b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	198 static tree_expression *
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	199 make_boolean_op (int op, tree_expression op1, token tok_val,
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	200 tree_expression *op2);
2375 7ef24992e290 [project @ 1996-10-12 00:39:52 by jwe] jwe parents: 2200 diff changeset	201
578 d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	202 // Build a prefix expression.
2970 b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	203 static tree_expression *
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	204 make_prefix_op (int op, tree_expression op1, token tok_val);
578 d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	205
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	206 // Build a postfix expression.
2970 b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	207 static tree_expression *
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	208 make_postfix_op (int op, tree_expression op1, token tok_val);
578 d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	209
1623 fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	210 // Build an unwind-protect command.
2970 b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	211 static tree_command *
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	212 make_unwind_command (token unwind_tok, tree_statement_list body,
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	213 tree_statement_list cleanup, token end_tok,
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	214 octave_comment_list lc, octave_comment_list mc);
1623 fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	215
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	216 // Build a try-catch command.
2970 b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	217 static tree_command *
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	218 make_try_command (token try_tok, tree_statement_list body,
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	219 tree_statement_list cleanup, token end_tok,
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	220 octave_comment_list lc, octave_comment_list mc);
1623 fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	221
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	222 // Build a while command.
2970 b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	223 static tree_command *
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	224 make_while_command (token while_tok, tree_expression expr,
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	225 tree_statement_list body, token end_tok,
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	226 octave_comment_list *lc);
1623 fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	227
3484 8b1f46ac2b64 [project @ 2000-01-27 23:30:45 by jwe] jwe parents: 3446 diff changeset	228 // Build a do-until command.
8b1f46ac2b64 [project @ 2000-01-27 23:30:45 by jwe] jwe parents: 3446 diff changeset	229 static tree_command *
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: 8471 diff changeset	230 make_do_until_command (token until_tok, tree_statement_list body,
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	231 tree_expression expr, octave_comment_list lc);
3484 8b1f46ac2b64 [project @ 2000-01-27 23:30:45 by jwe] jwe parents: 3446 diff changeset	232
1623 fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	233 // Build a for command.
2970 b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	234 static tree_command *
13245 027a2186cd90 parfor keyword and infrastructure, but handle parfor as normal for loop for now John W. Eaton <jwe@octave.org> parents: 13241 diff changeset	235 make_for_command (int tok_id, token for_tok, tree_argument_list lhs,
027a2186cd90 parfor keyword and infrastructure, but handle parfor as normal for loop for now John W. Eaton <jwe@octave.org> parents: 13241 diff changeset	236 tree_expression expr, tree_expression maxproc,
027a2186cd90 parfor keyword and infrastructure, but handle parfor as normal for loop for now John W. Eaton <jwe@octave.org> parents: 13241 diff changeset	237 tree_statement_list body, token end_tok,
027a2186cd90 parfor keyword and infrastructure, but handle parfor as normal for loop for now John W. Eaton <jwe@octave.org> parents: 13241 diff changeset	238 octave_comment_list *lc);
1623 fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	239
4207 fa3482b34599 [project @ 2002-12-03 18:22:05 by jwe] jwe parents: 4186 diff changeset	240 // Build a break command.
fa3482b34599 [project @ 2002-12-03 18:22:05 by jwe] jwe parents: 4186 diff changeset	241 static tree_command *
fa3482b34599 [project @ 2002-12-03 18:22:05 by jwe] jwe parents: 4186 diff changeset	242 make_break_command (token *break_tok);
fa3482b34599 [project @ 2002-12-03 18:22:05 by jwe] jwe parents: 4186 diff changeset	243
fa3482b34599 [project @ 2002-12-03 18:22:05 by jwe] jwe parents: 4186 diff changeset	244 // Build a continue command.
fa3482b34599 [project @ 2002-12-03 18:22:05 by jwe] jwe parents: 4186 diff changeset	245 static tree_command *
fa3482b34599 [project @ 2002-12-03 18:22:05 by jwe] jwe parents: 4186 diff changeset	246 make_continue_command (token *continue_tok);
fa3482b34599 [project @ 2002-12-03 18:22:05 by jwe] jwe parents: 4186 diff changeset	247
fa3482b34599 [project @ 2002-12-03 18:22:05 by jwe] jwe parents: 4186 diff changeset	248 // Build a return command.
fa3482b34599 [project @ 2002-12-03 18:22:05 by jwe] jwe parents: 4186 diff changeset	249 static tree_command *
fa3482b34599 [project @ 2002-12-03 18:22:05 by jwe] jwe parents: 4186 diff changeset	250 make_return_command (token *return_tok);
1623 fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	251
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	252 // Start an if command.
2970 b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	253 static tree_if_command_list *
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	254 start_if_command (tree_expression expr, tree_statement_list list);
1623 fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	255
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	256 // Finish an if command.
2970 b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	257 static tree_if_command *
3665 0689afb1d001 [project @ 2000-05-11 19:07:56 by jwe] jwe parents: 3544 diff changeset	258 finish_if_command (token if_tok, tree_if_command_list list,
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	259 token end_tok, octave_comment_list lc);
1623 fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	260
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	261 // Build an elseif clause.
2970 b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	262 static tree_if_clause *
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: 8471 diff changeset	263 make_elseif_clause (token elseif_tok, tree_expression expr,
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	264 tree_statement_list list, octave_comment_list lc);
1623 fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	265
2764 2c0f259cf83d [project @ 1997-03-01 02:30:26 by jwe] jwe parents: 2745 diff changeset	266 // Finish a switch command.
2970 b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	267 static tree_switch_command *
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	268 finish_switch_command (token switch_tok, tree_expression expr,
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	269 tree_switch_case_list list, token end_tok,
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	270 octave_comment_list *lc);
2764 2c0f259cf83d [project @ 1997-03-01 02:30:26 by jwe] jwe parents: 2745 diff changeset	271
2c0f259cf83d [project @ 1997-03-01 02:30:26 by jwe] jwe parents: 2745 diff changeset	272 // Build a switch case.
2970 b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	273 static tree_switch_case *
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: 8471 diff changeset	274 make_switch_case (token case_tok, tree_expression expr,
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	275 tree_statement_list list, octave_comment_list lc);
2764 2c0f259cf83d [project @ 1997-03-01 02:30:26 by jwe] jwe parents: 2745 diff changeset	276
1623 fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	277 // Build an assignment to a variable.
2970 b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	278 static tree_expression *
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	279 make_assign_op (int op, tree_argument_list lhs, token eq_tok,
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	280 tree_expression *rhs);
1623 fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	281
7715 5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7699 diff changeset	282 // Define a script.
5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7699 diff changeset	283 static void
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: 8471 diff changeset	284 make_script (tree_statement_list cmds, tree_statement end_script);
7715 5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7699 diff changeset	285
1623 fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	286 // Begin defining a function.
2970 b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	287 static octave_user_function *
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: 8471 diff changeset	288 start_function (tree_parameter_list param_list, tree_statement_list body,
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	289 tree_statement *end_function);
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: 8471 diff changeset	290
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: 8471 diff changeset	291 // Create a no-op statement for end_function.
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: 8471 diff changeset	292 static tree_statement *
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: 8471 diff changeset	293 make_end (const std::string& type, int l, int c);
1623 fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	294
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	295 // Do most of the work for defining a function.
2970 b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	296 static octave_user_function *
4872 fe71c458f438 [project @ 2004-04-21 20:09:32 by jwe] jwe parents: 4844 diff changeset	297 frob_function (const std::string& fname, octave_user_function *fcn);
1623 fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	298
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	299 // Finish defining a function.
7715 5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7699 diff changeset	300 static tree_function_def *
3665 0689afb1d001 [project @ 2000-05-11 19:07:56 by jwe] jwe parents: 3544 diff changeset	301 finish_function (tree_parameter_list *ret_list,
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	302 octave_user_function fcn, octave_comment_list lc);
751 c9f3cb77478d [project @ 1994-09-30 18:46:17 by jwe] jwe parents: 723 diff changeset	303
2883 0b3954110c77 [project @ 1997-04-24 09:57:05 by jwe] jwe parents: 2865 diff changeset	304 // Reset state after parsing function.
2970 b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	305 static void
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	306 recover_from_parsing_function (void);
2883 0b3954110c77 [project @ 1997-04-24 09:57:05 by jwe] jwe parents: 2865 diff changeset	307
751 c9f3cb77478d [project @ 1994-09-30 18:46:17 by jwe] jwe parents: 723 diff changeset	308 // Make an index expression.
2970 b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	309 static tree_index_expression *
3933 f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe] jwe parents: 3930 diff changeset	310 make_index_expression (tree_expression *expr,
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	311 tree_argument_list *args, char type);
2970 b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	312
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	313 // Make an indirect reference expression.
3930 61d4427c016e [project @ 2002-05-07 00:47:31 by jwe] jwe parents: 3929 diff changeset	314 static tree_index_expression *
3523 b80bbb43a1a9 [project @ 2000-02-02 10:25:52 by jwe] jwe parents: 3489 diff changeset	315 make_indirect_ref (tree_expression *expr, const std::string&);
666 fb4f6556b443 [project @ 1994-09-06 21:22:46 by jwe] jwe parents: 627 diff changeset	316
4131 597fbc55ea40 [project @ 2002-10-29 17:12:53 by jwe] jwe parents: 4064 diff changeset	317 // Make an indirect reference expression with dynamic field name.
597fbc55ea40 [project @ 2002-10-29 17:12:53 by jwe] jwe parents: 4064 diff changeset	318 static tree_index_expression *
597fbc55ea40 [project @ 2002-10-29 17:12:53 by jwe] jwe parents: 4064 diff changeset	319 make_indirect_ref (tree_expression expr, tree_expression field);
597fbc55ea40 [project @ 2002-10-29 17:12:53 by jwe] jwe parents: 4064 diff changeset	320
2846 52e7c4509983 [project @ 1997-03-26 23:27:35 by jwe] jwe parents: 2825 diff changeset	321 // Make a declaration command.
2970 b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	322 static tree_decl_command *
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	323 make_decl_command (int tok, token tok_val, tree_decl_init_list lst);
2846 52e7c4509983 [project @ 1997-03-26 23:27:35 by jwe] jwe parents: 2825 diff changeset	324
10207 76a880a588ce error when using ~ in matrix expression Jaroslav Hajek <highegg@gmail.com> parents: 10206 diff changeset	325 // Validate argument list forming a matrix or cell row.
76a880a588ce error when using ~ in matrix expression Jaroslav Hajek <highegg@gmail.com> parents: 10206 diff changeset	326 static tree_argument_list *
76a880a588ce error when using ~ in matrix expression Jaroslav Hajek <highegg@gmail.com> parents: 10206 diff changeset	327 validate_matrix_row (tree_argument_list *row);
76a880a588ce error when using ~ in matrix expression Jaroslav Hajek <highegg@gmail.com> parents: 10206 diff changeset	328
1623 fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	329 // Finish building a matrix list.
2970 b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	330 static tree_expression *
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	331 finish_matrix (tree_matrix *m);
1623 fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	332
3351 8623649c967c [project @ 1999-11-15 16:17:01 by jwe] jwe parents: 3347 diff changeset	333 // Finish building a cell list.
8623649c967c [project @ 1999-11-15 16:17:01 by jwe] jwe parents: 3347 diff changeset	334 static tree_expression *
8623649c967c [project @ 1999-11-15 16:17:01 by jwe] jwe parents: 3347 diff changeset	335 finish_cell (tree_cell *c);
8623649c967c [project @ 1999-11-15 16:17:01 by jwe] jwe parents: 3347 diff changeset	336
1511 74f9e88a2c12 [project @ 1995-10-03 10:49:31 by jwe] jwe parents: 1491 diff changeset	337 // Maybe print a warning. Duh.
2970 b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	338 static void
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	339 maybe_warn_missing_semi (tree_statement_list *);
1511 74f9e88a2c12 [project @ 1995-10-03 10:49:31 by jwe] jwe parents: 1491 diff changeset	340
2525 8561d88be5f2 [project @ 1996-11-17 21:23:31 by jwe] jwe parents: 2524 diff changeset	341 // Set the print flag for a statement based on the separator type.
8471 02de6775f1fe parse.y: always append statements to list, but remove null statements after seeing separator John W. Eaton <jwe@octave.org> parents: 8448 diff changeset	342 static tree_statement_list *
2970 b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	343 set_stmt_print_flag (tree_statement_list *, char, bool);
2525 8561d88be5f2 [project @ 1996-11-17 21:23:31 by jwe] jwe parents: 2524 diff changeset	344
8448 d6c0d5f208de parse.y: avoid storing null statements in statement lists John W. Eaton <jwe@octave.org> parents: 8447 diff changeset	345 // Create a statement list.
d6c0d5f208de parse.y: avoid storing null statements in statement lists John W. Eaton <jwe@octave.org> parents: 8447 diff changeset	346 static tree_statement_list make_statement_list (tree_statement stmt);
d6c0d5f208de parse.y: avoid storing null statements in statement lists John W. Eaton <jwe@octave.org> parents: 8447 diff changeset	347
d6c0d5f208de parse.y: avoid storing null statements in statement lists John W. Eaton <jwe@octave.org> parents: 8447 diff changeset	348 // Append a statement to an existing statement list.
d6c0d5f208de parse.y: avoid storing null statements in statement lists John W. Eaton <jwe@octave.org> parents: 8447 diff changeset	349 static tree_statement_list *
d6c0d5f208de parse.y: avoid storing null statements in statement lists John W. Eaton <jwe@octave.org> parents: 8447 diff changeset	350 append_statement_list (tree_statement_list *list, char sep,
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	351 tree_statement *stmt, bool warn_missing_semi);
8448 d6c0d5f208de parse.y: avoid storing null statements in statement lists John W. Eaton <jwe@octave.org> parents: 8447 diff changeset	352
d6c0d5f208de parse.y: avoid storing null statements in statement lists John W. Eaton <jwe@octave.org> parents: 8447 diff changeset	353 // Finish building a statement.
d6c0d5f208de parse.y: avoid storing null statements in statement lists John W. Eaton <jwe@octave.org> parents: 8447 diff changeset	354 template <class T>
d6c0d5f208de parse.y: avoid storing null statements in statement lists John W. Eaton <jwe@octave.org> parents: 8447 diff changeset	355 static tree_statement *
d6c0d5f208de parse.y: avoid storing null statements in statement lists John W. Eaton <jwe@octave.org> parents: 8447 diff changeset	356 make_statement (T *arg)
d6c0d5f208de parse.y: avoid storing null statements in statement lists John W. Eaton <jwe@octave.org> parents: 8447 diff changeset	357 {
8471 02de6775f1fe parse.y: always append statements to list, but remove null statements after seeing separator John W. Eaton <jwe@octave.org> parents: 8448 diff changeset	358 octave_comment_list *comment = octave_comment_buffer::get_comment ();
02de6775f1fe parse.y: always append statements to list, but remove null statements after seeing separator John W. Eaton <jwe@octave.org> parents: 8448 diff changeset	359
02de6775f1fe parse.y: always append statements to list, but remove null statements after seeing separator John W. Eaton <jwe@octave.org> parents: 8448 diff changeset	360 return new tree_statement (arg, comment);
8448 d6c0d5f208de parse.y: avoid storing null statements in statement lists John W. Eaton <jwe@octave.org> parents: 8447 diff changeset	361 }
d6c0d5f208de parse.y: avoid storing null statements in statement lists John W. Eaton <jwe@octave.org> parents: 8447 diff changeset	362
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	363 #define ABORT_PARSE \
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	364 do \
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	365 { \
522 2dba380d2d85 [project @ 1994-07-20 18:31:40 by jwe] jwe parents: 504 diff changeset	366 global_command = 0; \
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	367 yyerrok; \
4238 a5a68c0afe56 [project @ 2002-12-25 21:04:33 by jwe] jwe parents: 4237 diff changeset	368 if (! symtab_context.empty ()) \
3929 cc8ae49d6e79 [project @ 2002-05-04 02:47:14 by jwe] jwe parents: 3928 diff changeset	369 { \
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	370 symbol_table::set_scope (symtab_context.top ()); \
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	371 symtab_context.pop (); \
3929 cc8ae49d6e79 [project @ 2002-05-04 02:47:14 by jwe] jwe parents: 3928 diff changeset	372 } \
2865 2d9047854387 [project @ 1997-04-17 18:13:10 by jwe] jwe parents: 2862 diff changeset	373 if (interactive \|\| forced_interactive) \
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	374 YYACCEPT; \
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	375 else \
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	376 YYABORT; \
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	377 } \
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	378 while (0)
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	379
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	380 %}
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	381
666 fb4f6556b443 [project @ 1994-09-06 21:22:46 by jwe] jwe parents: 627 diff changeset	382 // Bison declarations.
fb4f6556b443 [project @ 1994-09-06 21:22:46 by jwe] jwe parents: 627 diff changeset	383
4813 fba5c6e96e0f [project @ 2004-03-03 23:35:43 by jwe] jwe parents: 4753 diff changeset	384 // Don't add spaces around the = here; it causes some versions of
fba5c6e96e0f [project @ 2004-03-03 23:35:43 by jwe] jwe parents: 4753 diff changeset	385 // bison to fail to properly recognize the directive.
fba5c6e96e0f [project @ 2004-03-03 23:35:43 by jwe] jwe parents: 4753 diff changeset	386
fba5c6e96e0f [project @ 2004-03-03 23:35:43 by jwe] jwe parents: 4753 diff changeset	387 %name-prefix="octave_"
4753 9f0ce1536368 [project @ 2004-02-13 17:55:24 by jwe] jwe parents: 4699 diff changeset	388
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	389 %union
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	390 {
2891 1a30f46e1870 [project @ 1997-04-28 01:49:00 by jwe] jwe parents: 2884 diff changeset	391 // The type of the basic tokens returned by the lexer.
143 7849db4b6dbc [project @ 1993-10-04 02:36:45 by jwe] jwe parents: 118 diff changeset	392 token *tok_val;
7849db4b6dbc [project @ 1993-10-04 02:36:45 by jwe] jwe parents: 118 diff changeset	393
3665 0689afb1d001 [project @ 2000-05-11 19:07:56 by jwe] jwe parents: 3544 diff changeset	394 // Comment strings that we need to deal with mid-rule.
0689afb1d001 [project @ 2000-05-11 19:07:56 by jwe] jwe parents: 3544 diff changeset	395 octave_comment_list *comment_type;
0689afb1d001 [project @ 2000-05-11 19:07:56 by jwe] jwe parents: 3544 diff changeset	396
2891 1a30f46e1870 [project @ 1997-04-28 01:49:00 by jwe] jwe parents: 2884 diff changeset	397 // Types for the nonterminals we generate.
2525 8561d88be5f2 [project @ 1996-11-17 21:23:31 by jwe] jwe parents: 2524 diff changeset	398 char sep_type;
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	399 tree *tree_type;
1829 7d2982b55242 [project @ 1996-02-02 14:12:59 by jwe] jwe parents: 1826 diff changeset	400 tree_matrix *tree_matrix_type;
3351 8623649c967c [project @ 1999-11-15 16:17:01 by jwe] jwe parents: 3347 diff changeset	401 tree_cell *tree_cell_type;
496 e7c5b23b34d3 [project @ 1994-07-06 15:02:26 by jwe] jwe parents: 482 diff changeset	402 tree_expression *tree_expression_type;
2375 7ef24992e290 [project @ 1996-10-12 00:39:52 by jwe] jwe parents: 2200 diff changeset	403 tree_constant *tree_constant_type;
4342 813effe14ee1 [project @ 2003-02-20 08:35:55 by jwe] jwe parents: 4318 diff changeset	404 tree_fcn_handle *tree_fcn_handle_type;
5861 2a6cb4ed8f1e [project @ 2006-06-16 05:09:41 by jwe] jwe parents: 5848 diff changeset	405 tree_anon_fcn_handle *tree_anon_fcn_handle_type;
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	406 tree_identifier *tree_identifier_type;
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	407 tree_index_expression *tree_index_expression_type;
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	408 tree_colon_expression *tree_colon_expression_type;
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	409 tree_argument_list *tree_argument_list_type;
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	410 tree_parameter_list *tree_parameter_list_type;
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	411 tree_command *tree_command_type;
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	412 tree_if_command *tree_if_command_type;
578 d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	413 tree_if_clause *tree_if_clause_type;
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	414 tree_if_command_list *tree_if_command_list_type;
2764 2c0f259cf83d [project @ 1997-03-01 02:30:26 by jwe] jwe parents: 2745 diff changeset	415 tree_switch_command *tree_switch_command_type;
2c0f259cf83d [project @ 1997-03-01 02:30:26 by jwe] jwe parents: 2745 diff changeset	416 tree_switch_case *tree_switch_case_type;
2c0f259cf83d [project @ 1997-03-01 02:30:26 by jwe] jwe parents: 2745 diff changeset	417 tree_switch_case_list *tree_switch_case_list_type;
2846 52e7c4509983 [project @ 1997-03-26 23:27:35 by jwe] jwe parents: 2825 diff changeset	418 tree_decl_elt *tree_decl_elt_type;
52e7c4509983 [project @ 1997-03-26 23:27:35 by jwe] jwe parents: 2825 diff changeset	419 tree_decl_init_list *tree_decl_init_list_type;
52e7c4509983 [project @ 1997-03-26 23:27:35 by jwe] jwe parents: 2825 diff changeset	420 tree_decl_command *tree_decl_command_type;
578 d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	421 tree_statement *tree_statement_type;
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	422 tree_statement_list *tree_statement_list_type;
2891 1a30f46e1870 [project @ 1997-04-28 01:49:00 by jwe] jwe parents: 2884 diff changeset	423 octave_user_function *octave_user_function_type;
9476 d9b25c5b8ee5 handle classdef syntax in lexer and parser Ryan Rusaw parents: 9474 diff changeset	424 void *dummy_type;
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	425 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	426
143 7849db4b6dbc [project @ 1993-10-04 02:36:45 by jwe] jwe parents: 118 diff changeset	427 // Tokens with line and column information.
7849db4b6dbc [project @ 1993-10-04 02:36:45 by jwe] jwe parents: 118 diff changeset	428 %token <tok_val> '=' ':' '-' '+' '*' '/'
4018 a8621d87fbf5 [project @ 2002-08-05 03:17:25 by jwe] jwe parents: 4009 diff changeset	429 %token <tok_val> ADD_EQ SUB_EQ MUL_EQ DIV_EQ LEFTDIV_EQ POW_EQ
a8621d87fbf5 [project @ 2002-08-05 03:17:25 by jwe] jwe parents: 4009 diff changeset	430 %token <tok_val> EMUL_EQ EDIV_EQ ELEFTDIV_EQ EPOW_EQ AND_EQ OR_EQ
2899 0d79a8c11a2b [project @ 1997-04-30 03:09:23 by jwe] jwe parents: 2891 diff changeset	431 %token <tok_val> LSHIFT_EQ RSHIFT_EQ LSHIFT RSHIFT
428 fa0453b25410 [project @ 1994-05-25 01:06:28 by jwe] jwe parents: 341 diff changeset	432 %token <tok_val> EXPR_AND_AND EXPR_OR_OR
143 7849db4b6dbc [project @ 1993-10-04 02:36:45 by jwe] jwe parents: 118 diff changeset	433 %token <tok_val> EXPR_AND EXPR_OR EXPR_NOT
7849db4b6dbc [project @ 1993-10-04 02:36:45 by jwe] jwe parents: 118 diff changeset	434 %token <tok_val> EXPR_LT EXPR_LE EXPR_EQ EXPR_NE EXPR_GE EXPR_GT
1276 cbdf7db98554 [project @ 1995-04-24 15:31:24 by jwe] jwe parents: 1266 diff changeset	435 %token <tok_val> LEFTDIV EMUL EDIV ELEFTDIV EPLUS EMINUS
cbdf7db98554 [project @ 1995-04-24 15:31:24 by jwe] jwe parents: 1266 diff changeset	436 %token <tok_val> QUOTE TRANSPOSE
143 7849db4b6dbc [project @ 1993-10-04 02:36:45 by jwe] jwe parents: 118 diff changeset	437 %token <tok_val> PLUS_PLUS MINUS_MINUS POW EPOW
7849db4b6dbc [project @ 1993-10-04 02:36:45 by jwe] jwe parents: 118 diff changeset	438 %token <tok_val> NUM IMAG_NUM
2970 b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	439 %token <tok_val> STRUCT_ELT
2883 0b3954110c77 [project @ 1997-04-24 09:57:05 by jwe] jwe parents: 2865 diff changeset	440 %token <tok_val> NAME
143 7849db4b6dbc [project @ 1993-10-04 02:36:45 by jwe] jwe parents: 118 diff changeset	441 %token <tok_val> END
5279 bd32f770c09a [project @ 2005-04-12 21:55:31 by jwe] jwe parents: 5189 diff changeset	442 %token <tok_val> DQ_STRING SQ_STRING
13245 027a2186cd90 parfor keyword and infrastructure, but handle parfor as normal for loop for now John W. Eaton <jwe@octave.org> parents: 13241 diff changeset	443 %token <tok_val> FOR PARFOR WHILE DO UNTIL
1491 893b416bb919 [project @ 1995-09-29 04:03:01 by jwe] jwe parents: 1489 diff changeset	444 %token <tok_val> IF ELSEIF ELSE
2764 2c0f259cf83d [project @ 1997-03-01 02:30:26 by jwe] jwe parents: 2745 diff changeset	445 %token <tok_val> SWITCH CASE OTHERWISE
1491 893b416bb919 [project @ 1995-09-29 04:03:01 by jwe] jwe parents: 1489 diff changeset	446 %token <tok_val> BREAK CONTINUE FUNC_RET
924 8b0920cc1d64 [project @ 1994-11-15 00:40:50 by jwe] jwe parents: 922 diff changeset	447 %token <tok_val> UNWIND CLEANUP
1489 3e705c864019 [project @ 1995-09-28 05:38:26 by jwe] jwe parents: 1371 diff changeset	448 %token <tok_val> TRY CATCH
2846 52e7c4509983 [project @ 1997-03-26 23:27:35 by jwe] jwe parents: 2825 diff changeset	449 %token <tok_val> GLOBAL STATIC
4342 813effe14ee1 [project @ 2003-02-20 08:35:55 by jwe] jwe parents: 4318 diff changeset	450 %token <tok_val> FCN_HANDLE
9476 d9b25c5b8ee5 handle classdef syntax in lexer and parser Ryan Rusaw parents: 9474 diff changeset	451 %token <tok_val> PROPERTIES
d9b25c5b8ee5 handle classdef syntax in lexer and parser Ryan Rusaw parents: 9474 diff changeset	452 %token <tok_val> METHODS
d9b25c5b8ee5 handle classdef syntax in lexer and parser Ryan Rusaw parents: 9474 diff changeset	453 %token <tok_val> EVENTS
d9b25c5b8ee5 handle classdef syntax in lexer and parser Ryan Rusaw parents: 9474 diff changeset	454 %token <tok_val> METAQUERY
d9b25c5b8ee5 handle classdef syntax in lexer and parser Ryan Rusaw parents: 9474 diff changeset	455 %token <tok_val> SUPERCLASSREF
d9b25c5b8ee5 handle classdef syntax in lexer and parser Ryan Rusaw parents: 9474 diff changeset	456 %token <tok_val> GET SET
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	457
143 7849db4b6dbc [project @ 1993-10-04 02:36:45 by jwe] jwe parents: 118 diff changeset	458 // Other tokens.
2970 b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	459 %token END_OF_INPUT LEXICAL_ERROR
9476 d9b25c5b8ee5 handle classdef syntax in lexer and parser Ryan Rusaw parents: 9474 diff changeset	460 %token FCN SCRIPT_FILE FUNCTION_FILE CLASSDEF
7587 1f662945c2be handle varargin and varargout without keywords John W. Eaton <jwe@octave.org> parents: 7562 diff changeset	461 // %token VARARGIN VARARGOUT
5296 4e753a157ed2 [project @ 2005-04-21 17:52:41 by jwe] jwe parents: 5279 diff changeset	462 %token CLOSE_BRACE
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	463
143 7849db4b6dbc [project @ 1993-10-04 02:36:45 by jwe] jwe parents: 118 diff changeset	464 // Nonterminals we construct.
9476 d9b25c5b8ee5 handle classdef syntax in lexer and parser Ryan Rusaw parents: 9474 diff changeset	465 %type <comment_type> stash_comment function_beg classdef_beg
d9b25c5b8ee5 handle classdef syntax in lexer and parser Ryan Rusaw parents: 9474 diff changeset	466 %type <comment_type> properties_beg methods_beg events_beg
2525 8561d88be5f2 [project @ 1996-11-17 21:23:31 by jwe] jwe parents: 2524 diff changeset	467 %type <sep_type> sep_no_nl opt_sep_no_nl sep opt_sep
578 d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	468 %type <tree_type> input
5861 2a6cb4ed8f1e [project @ 2006-06-16 05:09:41 by jwe] jwe parents: 5848 diff changeset	469 %type <tree_constant_type> string constant magic_colon
2a6cb4ed8f1e [project @ 2006-06-16 05:09:41 by jwe] jwe parents: 5848 diff changeset	470 %type <tree_anon_fcn_handle_type> anon_fcn_handle
4342 813effe14ee1 [project @ 2003-02-20 08:35:55 by jwe] jwe parents: 4318 diff changeset	471 %type <tree_fcn_handle_type> fcn_handle
3351 8623649c967c [project @ 1999-11-15 16:17:01 by jwe] jwe parents: 3347 diff changeset	472 %type <tree_matrix_type> matrix_rows matrix_rows1
8623649c967c [project @ 1999-11-15 16:17:01 by jwe] jwe parents: 3347 diff changeset	473 %type <tree_cell_type> cell_rows cell_rows1
5102 b04b30d30c66 [project @ 2004-12-28 01:59:05 by jwe] jwe parents: 5013 diff changeset	474 %type <tree_expression_type> matrix cell
12627 002948ae5bc0 fix precedence level of transpose operators (bug #32533) John W. Eaton <jwe@octave.org> parents: 12483 diff changeset	475 %type <tree_expression_type> primary_expr oper_expr
4207 fa3482b34599 [project @ 2002-12-03 18:22:05 by jwe] jwe parents: 4186 diff changeset	476 %type <tree_expression_type> simple_expr colon_expr assign_expr expression
10206 37a08e0ce2dc support Matlab-style empty output/input arguments Jaroslav Hajek <highegg@gmail.com> parents: 10188 diff changeset	477 %type <tree_identifier_type> identifier fcn_name magic_tilde
9476 d9b25c5b8ee5 handle classdef syntax in lexer and parser Ryan Rusaw parents: 9474 diff changeset	478 %type <tree_identifier_type> superclass_identifier meta_identifier
d9b25c5b8ee5 handle classdef syntax in lexer and parser Ryan Rusaw parents: 9474 diff changeset	479 %type <octave_user_function_type> function1 function2 classdef1
2970 b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	480 %type <tree_index_expression_type> word_list_cmd
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	481 %type <tree_colon_expression_type> colon_expr1
3351 8623649c967c [project @ 1999-11-15 16:17:01 by jwe] jwe parents: 3347 diff changeset	482 %type <tree_argument_list_type> arg_list word_list assign_lhs
8623649c967c [project @ 1999-11-15 16:17:01 by jwe] jwe parents: 3347 diff changeset	483 %type <tree_argument_list_type> cell_or_matrix_row
4935 4fc993a4e072 [project @ 2004-08-06 03:17:12 by jwe] jwe parents: 4930 diff changeset	484 %type <tree_parameter_list_type> param_list param_list1 param_list2
723 1c072f20b522 [project @ 1994-09-21 16:00:10 by jwe] jwe parents: 666 diff changeset	485 %type <tree_parameter_list_type> return_list return_list1
9476 d9b25c5b8ee5 handle classdef syntax in lexer and parser Ryan Rusaw parents: 9474 diff changeset	486 %type <tree_parameter_list_type> superclasses opt_superclasses
2970 b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	487 %type <tree_command_type> command select_command loop_command
9476 d9b25c5b8ee5 handle classdef syntax in lexer and parser Ryan Rusaw parents: 9474 diff changeset	488 %type <tree_command_type> jump_command except_command function
d9b25c5b8ee5 handle classdef syntax in lexer and parser Ryan Rusaw parents: 9474 diff changeset	489 %type <tree_command_type> script_file classdef
9474 25ed2d6aacf6 Parse nested functions more accurately. David Grundberg <individ@acc.umu.se> parents: 9471 diff changeset	490 %type <tree_command_type> function_file function_list
578 d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	491 %type <tree_if_command_type> if_command
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	492 %type <tree_if_clause_type> elseif_clause else_clause
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	493 %type <tree_if_command_list_type> if_cmd_list1 if_cmd_list
2764 2c0f259cf83d [project @ 1997-03-01 02:30:26 by jwe] jwe parents: 2745 diff changeset	494 %type <tree_switch_command_type> switch_command
2c0f259cf83d [project @ 1997-03-01 02:30:26 by jwe] jwe parents: 2745 diff changeset	495 %type <tree_switch_case_type> switch_case default_case
2c0f259cf83d [project @ 1997-03-01 02:30:26 by jwe] jwe parents: 2745 diff changeset	496 %type <tree_switch_case_list_type> case_list1 case_list
2846 52e7c4509983 [project @ 1997-03-26 23:27:35 by jwe] jwe parents: 2825 diff changeset	497 %type <tree_decl_elt_type> decl2
52e7c4509983 [project @ 1997-03-26 23:27:35 by jwe] jwe parents: 2825 diff changeset	498 %type <tree_decl_init_list_type> decl1
52e7c4509983 [project @ 1997-03-26 23:27:35 by jwe] jwe parents: 2825 diff changeset	499 %type <tree_decl_command_type> declaration
9476 d9b25c5b8ee5 handle classdef syntax in lexer and parser Ryan Rusaw parents: 9474 diff changeset	500 %type <tree_statement_type> statement function_end classdef_end
627 739d16c30481 [project @ 1994-08-19 13:23:14 by jwe] jwe parents: 620 diff changeset	501 %type <tree_statement_list_type> simple_list simple_list1 list list1
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	502 %type <tree_statement_list_type> opt_list input1
9476 d9b25c5b8ee5 handle classdef syntax in lexer and parser Ryan Rusaw parents: 9474 diff changeset	503 // These types need to be specified.
d9b25c5b8ee5 handle classdef syntax in lexer and parser Ryan Rusaw parents: 9474 diff changeset	504 %type <dummy_type> attr
d9b25c5b8ee5 handle classdef syntax in lexer and parser Ryan Rusaw parents: 9474 diff changeset	505 %type <dummy_type> class_event
d9b25c5b8ee5 handle classdef syntax in lexer and parser Ryan Rusaw parents: 9474 diff changeset	506 %type <dummy_type> class_property
d9b25c5b8ee5 handle classdef syntax in lexer and parser Ryan Rusaw parents: 9474 diff changeset	507 %type <dummy_type> properties_list
d9b25c5b8ee5 handle classdef syntax in lexer and parser Ryan Rusaw parents: 9474 diff changeset	508 %type <dummy_type> properties_block
d9b25c5b8ee5 handle classdef syntax in lexer and parser Ryan Rusaw parents: 9474 diff changeset	509 %type <dummy_type> methods_list
d9b25c5b8ee5 handle classdef syntax in lexer and parser Ryan Rusaw parents: 9474 diff changeset	510 %type <dummy_type> methods_block
d9b25c5b8ee5 handle classdef syntax in lexer and parser Ryan Rusaw parents: 9474 diff changeset	511 %type <dummy_type> opt_attr_list
d9b25c5b8ee5 handle classdef syntax in lexer and parser Ryan Rusaw parents: 9474 diff changeset	512 %type <dummy_type> attr_list
d9b25c5b8ee5 handle classdef syntax in lexer and parser Ryan Rusaw parents: 9474 diff changeset	513 %type <dummy_type> events_list
d9b25c5b8ee5 handle classdef syntax in lexer and parser Ryan Rusaw parents: 9474 diff changeset	514 %type <dummy_type> events_block
d9b25c5b8ee5 handle classdef syntax in lexer and parser Ryan Rusaw parents: 9474 diff changeset	515 %type <dummy_type> class_body
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	516
143 7849db4b6dbc [project @ 1993-10-04 02:36:45 by jwe] jwe parents: 118 diff changeset	517 // Precedence and associativity.
4018 a8621d87fbf5 [project @ 2002-08-05 03:17:25 by jwe] jwe parents: 4009 diff changeset	518 %right '=' ADD_EQ SUB_EQ MUL_EQ DIV_EQ LEFTDIV_EQ POW_EQ EMUL_EQ EDIV_EQ ELEFTDIV_EQ EPOW_EQ OR_EQ AND_EQ LSHIFT_EQ RSHIFT_EQ
4023 ef3caf27cb9c [project @ 2002-08-07 06:54:41 by jwe] jwe parents: 4018 diff changeset	519 %left EXPR_OR_OR
ef3caf27cb9c [project @ 2002-08-07 06:54:41 by jwe] jwe parents: 4018 diff changeset	520 %left EXPR_AND_AND
ef3caf27cb9c [project @ 2002-08-07 06:54:41 by jwe] jwe parents: 4018 diff changeset	521 %left EXPR_OR
ef3caf27cb9c [project @ 2002-08-07 06:54:41 by jwe] jwe parents: 4018 diff changeset	522 %left EXPR_AND
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	523 %left EXPR_LT EXPR_LE EXPR_EQ EXPR_NE EXPR_GE EXPR_GT
2899 0d79a8c11a2b [project @ 1997-04-30 03:09:23 by jwe] jwe parents: 2891 diff changeset	524 %left LSHIFT RSHIFT
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	525 %left ':'
1276 cbdf7db98554 [project @ 1995-04-24 15:31:24 by jwe] jwe parents: 1266 diff changeset	526 %left '-' '+' EPLUS EMINUS
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	527 %left '*' '/' LEFTDIV EMUL EDIV ELEFTDIV
12627 002948ae5bc0 fix precedence level of transpose operators (bug #32533) John W. Eaton <jwe@octave.org> parents: 12483 diff changeset	528 %right UNARY EXPR_NOT
5667 ec3ffbf9982b [project @ 2006-03-15 02:51:39 by jwe] jwe parents: 5626 diff changeset	529 %left POW EPOW QUOTE TRANSPOSE
12627 002948ae5bc0 fix precedence level of transpose operators (bug #32533) John W. Eaton <jwe@octave.org> parents: 12483 diff changeset	530 %right PLUS_PLUS MINUS_MINUS
3351 8623649c967c [project @ 1999-11-15 16:17:01 by jwe] jwe parents: 3347 diff changeset	531 %left '(' '.' '{'
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	532
143 7849db4b6dbc [project @ 1993-10-04 02:36:45 by jwe] jwe parents: 118 diff changeset	533 // Where to start.
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	534 %start input
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	535
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	536 %%
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	537
2970 b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	538 // ==============================
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	539 // Statements and statement lists
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	540 // ==============================
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	541
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	542 input : input1
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	543 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	544 global_command = $1;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	545 promptflag = 1;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	546 YYACCEPT;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	547 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	548 \| function_file
11258 795c97ace02c eliminate some possible memory leaks John W. Eaton <jwe@octave.org> parents: 11225 diff changeset	549 { YYACCEPT; }
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	550 \| simple_list parse_error
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	551 { ABORT_PARSE; }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	552 \| parse_error
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	553 { ABORT_PARSE; }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	554 ;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	555
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	556 input1 : '\n'
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	557 { $$ = 0; }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	558 \| END_OF_INPUT
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	559 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	560 parser_end_of_input = 1;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	561 $$ = 0;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	562 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	563 \| simple_list
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	564 { $$ = $1; }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	565 \| simple_list '\n'
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	566 { $$ = $1; }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	567 \| simple_list END_OF_INPUT
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	568 { $$ = $1; }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	569 ;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	570
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	571 simple_list : simple_list1 opt_sep_no_nl
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	572 { $$ = set_stmt_print_flag ($1, $2, false); }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	573 ;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	574
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	575 simple_list1 : statement
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	576 { $$ = make_statement_list ($1); }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	577 \| simple_list1 sep_no_nl statement
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	578 { $$ = append_statement_list ($1, $2, $3, false); }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	579 ;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	580
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	581 opt_list : // empty
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	582 { $$ = new tree_statement_list (); }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	583 \| list
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	584 { $$ = $1; }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	585 ;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	586
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	587 list : list1 opt_sep
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	588 { $$ = set_stmt_print_flag ($1, $2, true); }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	589 ;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	590
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	591 list1 : statement
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	592 { $$ = make_statement_list ($1); }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	593 \| list1 sep statement
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	594 { $$ = append_statement_list ($1, $2, $3, true); }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	595 ;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	596
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	597 statement : expression
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	598 { $$ = make_statement ($1); }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	599 \| command
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	600 { $$ = make_statement ($1); }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	601 \| word_list_cmd
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	602 { $$ = make_statement ($1); }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	603 ;
8746 5dd06f19e9be handle commands in the lexer John W. Eaton <jwe@octave.org> parents: 8745 diff changeset	604
5dd06f19e9be handle commands in the lexer John W. Eaton <jwe@octave.org> parents: 8745 diff changeset	605 // =================
5dd06f19e9be handle commands in the lexer John W. Eaton <jwe@octave.org> parents: 8745 diff changeset	606 // Word-list command
5dd06f19e9be handle commands in the lexer John W. Eaton <jwe@octave.org> parents: 8745 diff changeset	607 // =================
5dd06f19e9be handle commands in the lexer John W. Eaton <jwe@octave.org> parents: 8745 diff changeset	608
5dd06f19e9be handle commands in the lexer John W. Eaton <jwe@octave.org> parents: 8745 diff changeset	609 // These are not really like expressions since they can't appear on
5dd06f19e9be handle commands in the lexer John W. Eaton <jwe@octave.org> parents: 8745 diff changeset	610 // the RHS of an assignment. But they are also not like commands (IF,
5dd06f19e9be handle commands in the lexer John W. Eaton <jwe@octave.org> parents: 8745 diff changeset	611 // WHILE, etc.
5dd06f19e9be handle commands in the lexer John W. Eaton <jwe@octave.org> parents: 8745 diff changeset	612
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	613 word_list_cmd : identifier word_list
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	614 { $$ = make_index_expression ($1, $2, '('); }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	615 ;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	616
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	617 word_list : string
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	618 { $$ = new tree_argument_list ($1); }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	619 \| word_list string
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	620 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	621 $1->append ($2);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	622 $$ = $1;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	623 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	624 ;
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	625
2970 b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	626 // ===========
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	627 // Expressions
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	628 // ===========
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	629
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	630 identifier : NAME
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	631 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	632 symbol_table::symbol_record *sr = $1->sym_rec ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	633 $$ = new tree_identifier (*sr, $1->line (), $1->column ());
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	634 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	635 ;
2970 b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	636
9476 d9b25c5b8ee5 handle classdef syntax in lexer and parser Ryan Rusaw parents: 9474 diff changeset	637 superclass_identifier
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	638 : SUPERCLASSREF
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	639 { $$ = new tree_identifier ($1->line (), $1->column ()); }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	640 ;
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11572 diff changeset	641
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	642 meta_identifier : METAQUERY
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	643 { $$ = new tree_identifier ($1->line (), $1->column ()); }
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11572 diff changeset	644 ;
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	645
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	646 string : DQ_STRING
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	647 { $$ = make_constant (DQ_STRING, $1); }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	648 \| SQ_STRING
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	649 { $$ = make_constant (SQ_STRING, $1); }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	650 ;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	651
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	652 constant : NUM
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	653 { $$ = make_constant (NUM, $1); }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	654 \| IMAG_NUM
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	655 { $$ = make_constant (IMAG_NUM, $1); }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	656 \| string
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	657 { $$ = $1; }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	658 ;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	659
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	660 matrix : '[' ']'
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	661 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	662 $$ = new tree_constant (octave_null_matrix::instance);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	663 lexer_flags.looking_at_matrix_or_assign_lhs = false;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	664 lexer_flags.pending_local_variables.clear ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	665 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	666 \| '[' ';' ']'
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	667 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	668 $$ = new tree_constant (octave_null_matrix::instance);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	669 lexer_flags.looking_at_matrix_or_assign_lhs = false;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	670 lexer_flags.pending_local_variables.clear ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	671 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	672 \| '[' ',' ']'
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	673 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	674 $$ = new tree_constant (octave_null_matrix::instance);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	675 lexer_flags.looking_at_matrix_or_assign_lhs = false;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	676 lexer_flags.pending_local_variables.clear ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	677 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	678 \| '[' matrix_rows ']'
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	679 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	680 $$ = finish_matrix ($2);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	681 lexer_flags.looking_at_matrix_or_assign_lhs = false;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	682 lexer_flags.pending_local_variables.clear ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	683 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	684 ;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	685
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	686 matrix_rows : matrix_rows1
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	687 { $$ = $1; }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	688 \| matrix_rows1 ';' // Ignore trailing semicolon.
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	689 { $$ = $1; }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	690 ;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	691
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	692 matrix_rows1 : cell_or_matrix_row
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	693 { $$ = new tree_matrix ($1); }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	694 \| matrix_rows1 ';' cell_or_matrix_row
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	695 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	696 $1->append ($3);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	697 $$ = $1;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	698 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	699 ;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	700
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	701 cell : '{' '}'
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	702 { $$ = new tree_constant (octave_value (Cell ())); }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	703 \| '{' ';' '}'
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	704 { $$ = new tree_constant (octave_value (Cell ())); }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	705 \| '{' cell_rows '}'
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	706 { $$ = finish_cell ($2); }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	707 ;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	708
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	709 cell_rows : cell_rows1
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	710 { $$ = $1; }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	711 \| cell_rows1 ';' // Ignore trailing semicolon.
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	712 { $$ = $1; }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	713 ;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	714
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	715 cell_rows1 : cell_or_matrix_row
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	716 { $$ = new tree_cell ($1); }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	717 \| cell_rows1 ';' cell_or_matrix_row
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	718 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	719 $1->append ($3);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	720 $$ = $1;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	721 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	722 ;
3351 8623649c967c [project @ 1999-11-15 16:17:01 by jwe] jwe parents: 3347 diff changeset	723
8623649c967c [project @ 1999-11-15 16:17:01 by jwe] jwe parents: 3347 diff changeset	724 cell_or_matrix_row
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	725 : arg_list
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	726 { $$ = validate_matrix_row ($1); }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	727 \| arg_list ',' // Ignore trailing comma.
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	728 { $$ = validate_matrix_row ($1); }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	729 ;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	730
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	731 fcn_handle : '@' FCN_HANDLE
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	732 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	733 $$ = make_fcn_handle ($2);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	734 lexer_flags.looking_at_function_handle--;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	735 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	736 ;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	737
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	738 anon_fcn_handle : '@' param_list statement
13237 1bfca2bbea8b fix parsing of anonymous functions inside cell array lists. John W. Eaton <jwe@octave.org> parents: 13125 diff changeset	739 {
1bfca2bbea8b fix parsing of anonymous functions inside cell array lists. John W. Eaton <jwe@octave.org> parents: 13125 diff changeset	740 lexer_flags.quote_is_transpose = false;
1bfca2bbea8b fix parsing of anonymous functions inside cell array lists. John W. Eaton <jwe@octave.org> parents: 13125 diff changeset	741 $$ = make_anon_fcn_handle ($2, $3);
1bfca2bbea8b fix parsing of anonymous functions inside cell array lists. John W. Eaton <jwe@octave.org> parents: 13125 diff changeset	742 }
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	743 ;
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11572 diff changeset	744
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	745 primary_expr : identifier
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	746 { $$ = $1; }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	747 \| constant
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	748 { $$ = $1; }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	749 \| fcn_handle
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	750 { $$ = $1; }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	751 \| matrix
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	752 { $$ = $1; }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	753 \| cell
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	754 { $$ = $1; }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	755 \| meta_identifier
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	756 { $$ = $1; }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	757 \| superclass_identifier
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	758 { $$ = $1; }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	759 \| '(' expression ')'
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	760 { $$ = $2->mark_in_parens (); }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	761 ;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	762
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	763 magic_colon : ':'
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	764 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	765 octave_value tmp (octave_value::magic_colon_t);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	766 $$ = new tree_constant (tmp);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	767 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	768 ;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	769
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	770 magic_tilde : EXPR_NOT
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	771 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	772 $$ = new tree_black_hole ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	773 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	774 ;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	775
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	776 arg_list : expression
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	777 { $$ = new tree_argument_list ($1); }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	778 \| magic_colon
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	779 { $$ = new tree_argument_list ($1); }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	780 \| magic_tilde
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	781 { $$ = new tree_argument_list ($1); }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	782 \| arg_list ',' magic_colon
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	783 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	784 $1->append ($3);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	785 $$ = $1;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	786 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	787 \| arg_list ',' magic_tilde
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	788 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	789 $1->append ($3);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	790 $$ = $1;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	791 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	792 \| arg_list ',' expression
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	793 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	794 $1->append ($3);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	795 $$ = $1;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	796 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	797 ;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	798
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	799 indirect_ref_op : '.'
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	800 { lexer_flags.looking_at_indirect_ref = true; }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	801 ;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	802
12627 002948ae5bc0 fix precedence level of transpose operators (bug #32533) John W. Eaton <jwe@octave.org> parents: 12483 diff changeset	803 oper_expr : primary_expr
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	804 { $$ = $1; }
12627 002948ae5bc0 fix precedence level of transpose operators (bug #32533) John W. Eaton <jwe@octave.org> parents: 12483 diff changeset	805 \| oper_expr PLUS_PLUS
002948ae5bc0 fix precedence level of transpose operators (bug #32533) John W. Eaton <jwe@octave.org> parents: 12483 diff changeset	806 { $$ = make_postfix_op (PLUS_PLUS, $1, $2); }
002948ae5bc0 fix precedence level of transpose operators (bug #32533) John W. Eaton <jwe@octave.org> parents: 12483 diff changeset	807 \| oper_expr MINUS_MINUS
002948ae5bc0 fix precedence level of transpose operators (bug #32533) John W. Eaton <jwe@octave.org> parents: 12483 diff changeset	808 { $$ = make_postfix_op (MINUS_MINUS, $1, $2); }
002948ae5bc0 fix precedence level of transpose operators (bug #32533) John W. Eaton <jwe@octave.org> parents: 12483 diff changeset	809 \| oper_expr '(' ')'
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	810 { $$ = make_index_expression ($1, 0, '('); }
12627 002948ae5bc0 fix precedence level of transpose operators (bug #32533) John W. Eaton <jwe@octave.org> parents: 12483 diff changeset	811 \| oper_expr '(' arg_list ')'
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	812 { $$ = make_index_expression ($1, $3, '('); }
12627 002948ae5bc0 fix precedence level of transpose operators (bug #32533) John W. Eaton <jwe@octave.org> parents: 12483 diff changeset	813 \| oper_expr '{' '}'
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	814 { $$ = make_index_expression ($1, 0, '{'); }
12627 002948ae5bc0 fix precedence level of transpose operators (bug #32533) John W. Eaton <jwe@octave.org> parents: 12483 diff changeset	815 \| oper_expr '{' arg_list '}'
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	816 { $$ = make_index_expression ($1, $3, '{'); }
12627 002948ae5bc0 fix precedence level of transpose operators (bug #32533) John W. Eaton <jwe@octave.org> parents: 12483 diff changeset	817 \| oper_expr QUOTE
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	818 { $$ = make_postfix_op (QUOTE, $1, $2); }
12627 002948ae5bc0 fix precedence level of transpose operators (bug #32533) John W. Eaton <jwe@octave.org> parents: 12483 diff changeset	819 \| oper_expr TRANSPOSE
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	820 { $$ = make_postfix_op (TRANSPOSE, $1, $2); }
12627 002948ae5bc0 fix precedence level of transpose operators (bug #32533) John W. Eaton <jwe@octave.org> parents: 12483 diff changeset	821 \| oper_expr indirect_ref_op STRUCT_ELT
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	822 { $$ = make_indirect_ref ($1, $3->text ()); }
12627 002948ae5bc0 fix precedence level of transpose operators (bug #32533) John W. Eaton <jwe@octave.org> parents: 12483 diff changeset	823 \| oper_expr indirect_ref_op '(' expression ')'
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	824 { $$ = make_indirect_ref ($1, $4); }
12627 002948ae5bc0 fix precedence level of transpose operators (bug #32533) John W. Eaton <jwe@octave.org> parents: 12483 diff changeset	825 \| PLUS_PLUS oper_expr %prec UNARY
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	826 { $$ = make_prefix_op (PLUS_PLUS, $2, $1); }
12627 002948ae5bc0 fix precedence level of transpose operators (bug #32533) John W. Eaton <jwe@octave.org> parents: 12483 diff changeset	827 \| MINUS_MINUS oper_expr %prec UNARY
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	828 { $$ = make_prefix_op (MINUS_MINUS, $2, $1); }
12627 002948ae5bc0 fix precedence level of transpose operators (bug #32533) John W. Eaton <jwe@octave.org> parents: 12483 diff changeset	829 \| EXPR_NOT oper_expr %prec UNARY
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	830 { $$ = make_prefix_op (EXPR_NOT, $2, $1); }
12627 002948ae5bc0 fix precedence level of transpose operators (bug #32533) John W. Eaton <jwe@octave.org> parents: 12483 diff changeset	831 \| '+' oper_expr %prec UNARY
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	832 { $$ = make_prefix_op ('+', $2, $1); }
12627 002948ae5bc0 fix precedence level of transpose operators (bug #32533) John W. Eaton <jwe@octave.org> parents: 12483 diff changeset	833 \| '-' oper_expr %prec UNARY
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	834 { $$ = make_prefix_op ('-', $2, $1); }
12627 002948ae5bc0 fix precedence level of transpose operators (bug #32533) John W. Eaton <jwe@octave.org> parents: 12483 diff changeset	835 \| oper_expr POW oper_expr
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	836 { $$ = make_binary_op (POW, $1, $2, $3); }
12627 002948ae5bc0 fix precedence level of transpose operators (bug #32533) John W. Eaton <jwe@octave.org> parents: 12483 diff changeset	837 \| oper_expr EPOW oper_expr
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	838 { $$ = make_binary_op (EPOW, $1, $2, $3); }
12627 002948ae5bc0 fix precedence level of transpose operators (bug #32533) John W. Eaton <jwe@octave.org> parents: 12483 diff changeset	839 \| oper_expr '+' oper_expr
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	840 { $$ = make_binary_op ('+', $1, $2, $3); }
12627 002948ae5bc0 fix precedence level of transpose operators (bug #32533) John W. Eaton <jwe@octave.org> parents: 12483 diff changeset	841 \| oper_expr '-' oper_expr
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	842 { $$ = make_binary_op ('-', $1, $2, $3); }
12627 002948ae5bc0 fix precedence level of transpose operators (bug #32533) John W. Eaton <jwe@octave.org> parents: 12483 diff changeset	843 \| oper_expr '*' oper_expr
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	844 { $$ = make_binary_op ('*', $1, $2, $3); }
12627 002948ae5bc0 fix precedence level of transpose operators (bug #32533) John W. Eaton <jwe@octave.org> parents: 12483 diff changeset	845 \| oper_expr '/' oper_expr
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	846 { $$ = make_binary_op ('/', $1, $2, $3); }
12627 002948ae5bc0 fix precedence level of transpose operators (bug #32533) John W. Eaton <jwe@octave.org> parents: 12483 diff changeset	847 \| oper_expr EPLUS oper_expr
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	848 { $$ = make_binary_op ('+', $1, $2, $3); }
12627 002948ae5bc0 fix precedence level of transpose operators (bug #32533) John W. Eaton <jwe@octave.org> parents: 12483 diff changeset	849 \| oper_expr EMINUS oper_expr
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	850 { $$ = make_binary_op ('-', $1, $2, $3); }
12627 002948ae5bc0 fix precedence level of transpose operators (bug #32533) John W. Eaton <jwe@octave.org> parents: 12483 diff changeset	851 \| oper_expr EMUL oper_expr
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	852 { $$ = make_binary_op (EMUL, $1, $2, $3); }
12627 002948ae5bc0 fix precedence level of transpose operators (bug #32533) John W. Eaton <jwe@octave.org> parents: 12483 diff changeset	853 \| oper_expr EDIV oper_expr
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	854 { $$ = make_binary_op (EDIV, $1, $2, $3); }
12627 002948ae5bc0 fix precedence level of transpose operators (bug #32533) John W. Eaton <jwe@octave.org> parents: 12483 diff changeset	855 \| oper_expr LEFTDIV oper_expr
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	856 { $$ = make_binary_op (LEFTDIV, $1, $2, $3); }
12627 002948ae5bc0 fix precedence level of transpose operators (bug #32533) John W. Eaton <jwe@octave.org> parents: 12483 diff changeset	857 \| oper_expr ELEFTDIV oper_expr
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	858 { $$ = make_binary_op (ELEFTDIV, $1, $2, $3); }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	859 ;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	860
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	861 colon_expr : colon_expr1
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	862 { $$ = finish_colon_expression ($1); }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	863 ;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	864
12627 002948ae5bc0 fix precedence level of transpose operators (bug #32533) John W. Eaton <jwe@octave.org> parents: 12483 diff changeset	865 colon_expr1 : oper_expr
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	866 { $$ = new tree_colon_expression ($1); }
12627 002948ae5bc0 fix precedence level of transpose operators (bug #32533) John W. Eaton <jwe@octave.org> parents: 12483 diff changeset	867 \| colon_expr1 ':' oper_expr
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	868 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	869 if (! ($$ = $1->append ($3)))
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	870 ABORT_PARSE;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	871 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	872 ;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	873
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	874 simple_expr : colon_expr
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	875 { $$ = $1; }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	876 \| simple_expr LSHIFT simple_expr
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	877 { $$ = make_binary_op (LSHIFT, $1, $2, $3); }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	878 \| simple_expr RSHIFT simple_expr
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	879 { $$ = make_binary_op (RSHIFT, $1, $2, $3); }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	880 \| simple_expr EXPR_LT simple_expr
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	881 { $$ = make_binary_op (EXPR_LT, $1, $2, $3); }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	882 \| simple_expr EXPR_LE simple_expr
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	883 { $$ = make_binary_op (EXPR_LE, $1, $2, $3); }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	884 \| simple_expr EXPR_EQ simple_expr
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	885 { $$ = make_binary_op (EXPR_EQ, $1, $2, $3); }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	886 \| simple_expr EXPR_GE simple_expr
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	887 { $$ = make_binary_op (EXPR_GE, $1, $2, $3); }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	888 \| simple_expr EXPR_GT simple_expr
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	889 { $$ = make_binary_op (EXPR_GT, $1, $2, $3); }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	890 \| simple_expr EXPR_NE simple_expr
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	891 { $$ = make_binary_op (EXPR_NE, $1, $2, $3); }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	892 \| simple_expr EXPR_AND simple_expr
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	893 { $$ = make_binary_op (EXPR_AND, $1, $2, $3); }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	894 \| simple_expr EXPR_OR simple_expr
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	895 { $$ = make_binary_op (EXPR_OR, $1, $2, $3); }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	896 \| simple_expr EXPR_AND_AND simple_expr
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	897 { $$ = make_boolean_op (EXPR_AND_AND, $1, $2, $3); }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	898 \| simple_expr EXPR_OR_OR simple_expr
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	899 { $$ = make_boolean_op (EXPR_OR_OR, $1, $2, $3); }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	900 ;
2970 b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	901
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	902 // Arrange for the lexer to return CLOSE_BRACE for `]' by looking ahead
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	903 // one token for an assignment op.
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	904
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	905 assign_lhs : simple_expr
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	906 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	907 $$ = new tree_argument_list ($1);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	908 $$->mark_as_simple_assign_lhs ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	909 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	910 \| '[' arg_list CLOSE_BRACE
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	911 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	912 $$ = $2;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	913 lexer_flags.looking_at_matrix_or_assign_lhs = false;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	914 for (std::set<std::string>::const_iterator p = lexer_flags.pending_local_variables.begin ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	915 p != lexer_flags.pending_local_variables.end ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	916 p++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	917 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	918 symbol_table::force_variable (*p);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	919 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	920 lexer_flags.pending_local_variables.clear ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	921 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	922 ;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	923
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	924 assign_expr : assign_lhs '=' expression
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	925 { $$ = make_assign_op ('=', $1, $2, $3); }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	926 \| assign_lhs ADD_EQ expression
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	927 { $$ = make_assign_op (ADD_EQ, $1, $2, $3); }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	928 \| assign_lhs SUB_EQ expression
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	929 { $$ = make_assign_op (SUB_EQ, $1, $2, $3); }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	930 \| assign_lhs MUL_EQ expression
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	931 { $$ = make_assign_op (MUL_EQ, $1, $2, $3); }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	932 \| assign_lhs DIV_EQ expression
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	933 { $$ = make_assign_op (DIV_EQ, $1, $2, $3); }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	934 \| assign_lhs LEFTDIV_EQ expression
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	935 { $$ = make_assign_op (LEFTDIV_EQ, $1, $2, $3); }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	936 \| assign_lhs POW_EQ expression
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	937 { $$ = make_assign_op (POW_EQ, $1, $2, $3); }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	938 \| assign_lhs LSHIFT_EQ expression
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	939 { $$ = make_assign_op (LSHIFT_EQ, $1, $2, $3); }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	940 \| assign_lhs RSHIFT_EQ expression
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	941 { $$ = make_assign_op (RSHIFT_EQ, $1, $2, $3); }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	942 \| assign_lhs EMUL_EQ expression
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	943 { $$ = make_assign_op (EMUL_EQ, $1, $2, $3); }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	944 \| assign_lhs EDIV_EQ expression
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	945 { $$ = make_assign_op (EDIV_EQ, $1, $2, $3); }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	946 \| assign_lhs ELEFTDIV_EQ expression
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	947 { $$ = make_assign_op (ELEFTDIV_EQ, $1, $2, $3); }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	948 \| assign_lhs EPOW_EQ expression
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	949 { $$ = make_assign_op (EPOW_EQ, $1, $2, $3); }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	950 \| assign_lhs AND_EQ expression
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	951 { $$ = make_assign_op (AND_EQ, $1, $2, $3); }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	952 \| assign_lhs OR_EQ expression
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	953 { $$ = make_assign_op (OR_EQ, $1, $2, $3); }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	954 ;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	955
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	956 expression : simple_expr
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	957 { $$ = $1; }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	958 \| assign_expr
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	959 { $$ = $1; }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	960 \| anon_fcn_handle
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	961 { $$ = $1; }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	962 ;
2970 b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	963
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	964 // ================================================
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	965 // Commands, declarations, and function definitions
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	966 // ================================================
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	967
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	968 command : declaration
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	969 { $$ = $1; }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	970 \| select_command
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	971 { $$ = $1; }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	972 \| loop_command
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	973 { $$ = $1; }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	974 \| jump_command
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	975 { $$ = $1; }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	976 \| except_command
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	977 { $$ = $1; }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	978 \| function
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	979 { $$ = $1; }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	980 \| script_file
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	981 { $$ = $1; }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	982 \| classdef
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	983 { $$ = $1; }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	984 ;
2970 b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	985
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	986 // =====================
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	987 // Declaration statemnts
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	988 // =====================
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	989
8701 1652e39b934e handle command names in declaration lists John W. Eaton <jwe@octave.org> parents: 8697 diff changeset	990 parsing_decl_list
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	991 : // empty
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	992 { lexer_flags.looking_at_decl_list = true; }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	993
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	994 declaration : GLOBAL parsing_decl_list decl1
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	995 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	996 $$ = make_decl_command (GLOBAL, $1, $3);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	997 lexer_flags.looking_at_decl_list = false;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	998 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	999 \| STATIC parsing_decl_list decl1
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1000 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1001 $$ = make_decl_command (STATIC, $1, $3);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1002 lexer_flags.looking_at_decl_list = false;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1003 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1004 ;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1005
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1006 decl1 : decl2
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1007 { $$ = new tree_decl_init_list ($1); }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1008 \| decl1 decl2
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1009 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1010 $1->append ($2);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1011 $$ = $1;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1012 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1013 ;
2970 b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	1014
7634 ae90e05ad299 fix parameter list initializer bug John W. Eaton <jwe@octave.org> parents: 7587 diff changeset	1015 decl_param_init : // empty
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1016 { lexer_flags.looking_at_initializer_expression = true; }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1017
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1018 decl2 : identifier
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1019 { $$ = new tree_decl_elt ($1); }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1020 \| identifier '=' decl_param_init expression
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1021 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1022 lexer_flags.looking_at_initializer_expression = false;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1023 $$ = new tree_decl_elt ($1, $4);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1024 }
10206 37a08e0ce2dc support Matlab-style empty output/input arguments Jaroslav Hajek <highegg@gmail.com> parents: 10188 diff changeset	1025 \| magic_tilde
37a08e0ce2dc support Matlab-style empty output/input arguments Jaroslav Hajek <highegg@gmail.com> parents: 10188 diff changeset	1026 {
37a08e0ce2dc support Matlab-style empty output/input arguments Jaroslav Hajek <highegg@gmail.com> parents: 10188 diff changeset	1027 $$ = new tree_decl_elt ($1);
37a08e0ce2dc support Matlab-style empty output/input arguments Jaroslav Hajek <highegg@gmail.com> parents: 10188 diff changeset	1028 }
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1029 ;
2970 b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	1030
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	1031 // ====================
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	1032 // Selection statements
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	1033 // ====================
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	1034
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1035 select_command : if_command
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1036 { $$ = $1; }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1037 \| switch_command
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1038 { $$ = $1; }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1039 ;
2970 b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	1040
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	1041 // ============
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	1042 // If statement
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	1043 // ============
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	1044
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1045 if_command : IF stash_comment if_cmd_list END
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1046 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1047 if (! ($$ = finish_if_command ($1, $3, $4, $2)))
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1048 ABORT_PARSE;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1049 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1050 ;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1051
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1052 if_cmd_list : if_cmd_list1
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1053 { $$ = $1; }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1054 \| if_cmd_list1 else_clause
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1055 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1056 $1->append ($2);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1057 $$ = $1;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1058 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1059 ;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1060
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1061 if_cmd_list1 : expression opt_sep opt_list
11091 5677f3f7b5fa Matlab compatible short-circuit behavior for & and \| operators John W. Eaton <jwe@octave.org> parents: 11060 diff changeset	1062 {
5677f3f7b5fa Matlab compatible short-circuit behavior for & and \| operators John W. Eaton <jwe@octave.org> parents: 11060 diff changeset	1063 $1->mark_braindead_shortcircuit (curr_fcn_file_full_name);
5677f3f7b5fa Matlab compatible short-circuit behavior for & and \| operators John W. Eaton <jwe@octave.org> parents: 11060 diff changeset	1064
5677f3f7b5fa Matlab compatible short-circuit behavior for & and \| operators John W. Eaton <jwe@octave.org> parents: 11060 diff changeset	1065 $$ = start_if_command ($1, $3);
5677f3f7b5fa Matlab compatible short-circuit behavior for & and \| operators John W. Eaton <jwe@octave.org> parents: 11060 diff changeset	1066 }
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1067 \| if_cmd_list1 elseif_clause
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1068 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1069 $1->append ($2);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1070 $$ = $1;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1071 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1072 ;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1073
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1074 elseif_clause : ELSEIF stash_comment opt_sep expression opt_sep opt_list
11091 5677f3f7b5fa Matlab compatible short-circuit behavior for & and \| operators John W. Eaton <jwe@octave.org> parents: 11060 diff changeset	1075 {
5677f3f7b5fa Matlab compatible short-circuit behavior for & and \| operators John W. Eaton <jwe@octave.org> parents: 11060 diff changeset	1076 $4->mark_braindead_shortcircuit (curr_fcn_file_full_name);
5677f3f7b5fa Matlab compatible short-circuit behavior for & and \| operators John W. Eaton <jwe@octave.org> parents: 11060 diff changeset	1077
5677f3f7b5fa Matlab compatible short-circuit behavior for & and \| operators John W. Eaton <jwe@octave.org> parents: 11060 diff changeset	1078 $$ = make_elseif_clause ($1, $4, $6, $2);
5677f3f7b5fa Matlab compatible short-circuit behavior for & and \| operators John W. Eaton <jwe@octave.org> parents: 11060 diff changeset	1079 }
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1080 ;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1081
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1082 else_clause : ELSE stash_comment opt_sep opt_list
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1083 { $$ = new tree_if_clause ($4, $2); }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1084 ;
2970 b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	1085
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	1086 // ================
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	1087 // Switch statement
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	1088 // ================
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	1089
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1090 switch_command : SWITCH stash_comment expression opt_sep case_list END
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1091 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1092 if (! ($$ = finish_switch_command ($1, $3, $5, $6, $2)))
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1093 ABORT_PARSE;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1094 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1095 ;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1096
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1097 case_list : // empty
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1098 { $$ = new tree_switch_case_list (); }
11317 2da532d0f41c accept otherwise clause in switch statement without preceding case statements John W. Eaton <jwe@octave.org> parents: 11258 diff changeset	1099 \| default_case
2da532d0f41c accept otherwise clause in switch statement without preceding case statements John W. Eaton <jwe@octave.org> parents: 11258 diff changeset	1100 { $$ = new tree_switch_case_list ($1); }
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1101 \| case_list1
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1102 { $$ = $1; }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1103 \| case_list1 default_case
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1104 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1105 $1->append ($2);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1106 $$ = $1;
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11572 diff changeset	1107 }
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1108 ;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1109
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1110 case_list1 : switch_case
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1111 { $$ = new tree_switch_case_list ($1); }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1112 \| case_list1 switch_case
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1113 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1114 $1->append ($2);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1115 $$ = $1;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1116 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1117 ;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1118
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1119 switch_case : CASE stash_comment opt_sep expression opt_sep opt_list
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1120 { $$ = make_switch_case ($1, $4, $6, $2); }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1121 ;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1122
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1123 default_case : OTHERWISE stash_comment opt_sep opt_list
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1124 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1125 $$ = new tree_switch_case ($4, $2);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1126 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1127 ;
2970 b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	1128
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	1129 // =======
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	1130 // Looping
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	1131 // =======
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	1132
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1133 loop_command : WHILE stash_comment expression opt_sep opt_list END
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1134 {
11091 5677f3f7b5fa Matlab compatible short-circuit behavior for & and \| operators John W. Eaton <jwe@octave.org> parents: 11060 diff changeset	1135 $3->mark_braindead_shortcircuit (curr_fcn_file_full_name);
5677f3f7b5fa Matlab compatible short-circuit behavior for & and \| operators John W. Eaton <jwe@octave.org> parents: 11060 diff changeset	1136
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1137 if (! ($$ = make_while_command ($1, $3, $5, $6, $2)))
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1138 ABORT_PARSE;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1139 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1140 \| DO stash_comment opt_sep opt_list UNTIL expression
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1141 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1142 if (! ($$ = make_do_until_command ($5, $4, $6, $2)))
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1143 ABORT_PARSE;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1144 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1145 \| FOR stash_comment assign_lhs '=' expression opt_sep opt_list END
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1146 {
13245 027a2186cd90 parfor keyword and infrastructure, but handle parfor as normal for loop for now John W. Eaton <jwe@octave.org> parents: 13241 diff changeset	1147 if (! ($$ = make_for_command (FOR, $1, $3, $5, 0,
027a2186cd90 parfor keyword and infrastructure, but handle parfor as normal for loop for now John W. Eaton <jwe@octave.org> parents: 13241 diff changeset	1148 $7, $8, $2)))
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1149 ABORT_PARSE;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1150 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1151 \| FOR stash_comment '(' assign_lhs '=' expression ')' opt_sep opt_list END
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1152 {
13245 027a2186cd90 parfor keyword and infrastructure, but handle parfor as normal for loop for now John W. Eaton <jwe@octave.org> parents: 13241 diff changeset	1153 if (! ($$ = make_for_command (FOR, $1, $4, $6, 0,
027a2186cd90 parfor keyword and infrastructure, but handle parfor as normal for loop for now John W. Eaton <jwe@octave.org> parents: 13241 diff changeset	1154 $9, $10, $2)))
027a2186cd90 parfor keyword and infrastructure, but handle parfor as normal for loop for now John W. Eaton <jwe@octave.org> parents: 13241 diff changeset	1155 ABORT_PARSE;
027a2186cd90 parfor keyword and infrastructure, but handle parfor as normal for loop for now John W. Eaton <jwe@octave.org> parents: 13241 diff changeset	1156 }
027a2186cd90 parfor keyword and infrastructure, but handle parfor as normal for loop for now John W. Eaton <jwe@octave.org> parents: 13241 diff changeset	1157 \| PARFOR stash_comment assign_lhs '=' expression opt_sep opt_list END
027a2186cd90 parfor keyword and infrastructure, but handle parfor as normal for loop for now John W. Eaton <jwe@octave.org> parents: 13241 diff changeset	1158 {
027a2186cd90 parfor keyword and infrastructure, but handle parfor as normal for loop for now John W. Eaton <jwe@octave.org> parents: 13241 diff changeset	1159 if (! ($$ = make_for_command (PARFOR, $1, $3, $5,
027a2186cd90 parfor keyword and infrastructure, but handle parfor as normal for loop for now John W. Eaton <jwe@octave.org> parents: 13241 diff changeset	1160 0, $7, $8, $2)))
027a2186cd90 parfor keyword and infrastructure, but handle parfor as normal for loop for now John W. Eaton <jwe@octave.org> parents: 13241 diff changeset	1161 ABORT_PARSE;
027a2186cd90 parfor keyword and infrastructure, but handle parfor as normal for loop for now John W. Eaton <jwe@octave.org> parents: 13241 diff changeset	1162 }
027a2186cd90 parfor keyword and infrastructure, but handle parfor as normal for loop for now John W. Eaton <jwe@octave.org> parents: 13241 diff changeset	1163 \| PARFOR stash_comment '(' assign_lhs '=' expression ',' expression ')' opt_sep opt_list END
027a2186cd90 parfor keyword and infrastructure, but handle parfor as normal for loop for now John W. Eaton <jwe@octave.org> parents: 13241 diff changeset	1164 {
027a2186cd90 parfor keyword and infrastructure, but handle parfor as normal for loop for now John W. Eaton <jwe@octave.org> parents: 13241 diff changeset	1165 if (! ($$ = make_for_command (PARFOR, $1, $4, $6,
027a2186cd90 parfor keyword and infrastructure, but handle parfor as normal for loop for now John W. Eaton <jwe@octave.org> parents: 13241 diff changeset	1166 $8, $11, $12, $2)))
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1167 ABORT_PARSE;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1168 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1169 ;
2970 b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	1170
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	1171 // =======
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	1172 // Jumping
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	1173 // =======
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	1174
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1175 jump_command : BREAK
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1176 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1177 if (! ($$ = make_break_command ($1)))
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1178 ABORT_PARSE;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1179 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1180 \| CONTINUE
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1181 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1182 if (! ($$ = make_continue_command ($1)))
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1183 ABORT_PARSE;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1184 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1185 \| FUNC_RET
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1186 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1187 if (! ($$ = make_return_command ($1)))
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1188 ABORT_PARSE;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1189 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1190 ;
2970 b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	1191
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	1192 // ==========
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	1193 // Exceptions
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	1194 // ==========
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	1195
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1196 except_command : UNWIND stash_comment opt_sep opt_list CLEANUP
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1197 stash_comment opt_sep opt_list END
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1198 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1199 if (! ($$ = make_unwind_command ($1, $4, $8, $9, $2, $6)))
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1200 ABORT_PARSE;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1201 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1202 \| TRY stash_comment opt_sep opt_list CATCH
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1203 stash_comment opt_sep opt_list END
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1204 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1205 if (! ($$ = make_try_command ($1, $4, $8, $9, $2, $6)))
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1206 ABORT_PARSE;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1207 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1208 \| TRY stash_comment opt_sep opt_list END
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1209 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1210 if (! ($$ = make_try_command ($1, $4, 0, $5, $2, 0)))
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1211 ABORT_PARSE;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1212 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1213 ;
2970 b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	1214
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	1215 // ===========================================
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	1216 // Some `subroutines' for function definitions
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	1217 // ===========================================
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	1218
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1219 push_fcn_symtab : // empty
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1220 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1221 current_function_depth++;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1222
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1223 if (max_function_depth < current_function_depth)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1224 max_function_depth = current_function_depth;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1225
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1226 symtab_context.push (symbol_table::current_scope ());
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1227 symbol_table::set_scope (symbol_table::alloc_scope ());
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1228
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1229 if (! reading_script_file && current_function_depth == 1
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1230 && ! parsing_subfunctions)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1231 primary_fcn_scope = symbol_table::current_scope ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1232
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1233 if (reading_script_file && current_function_depth > 1)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1234 yyerror ("nested functions not implemented in this context");
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1235 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1236 ;
2970 b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	1237
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	1238 // ===========================
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	1239 // List of function parameters
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	1240 // ===========================
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	1241
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1242 param_list_beg : '('
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1243 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1244 lexer_flags.looking_at_parameter_list = true;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1245
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1246 if (lexer_flags.looking_at_function_handle)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1247 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1248 symtab_context.push (symbol_table::current_scope ());
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1249 symbol_table::set_scope (symbol_table::alloc_scope ());
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1250 lexer_flags.looking_at_function_handle--;
13237 1bfca2bbea8b fix parsing of anonymous functions inside cell array lists. John W. Eaton <jwe@octave.org> parents: 13125 diff changeset	1251 lexer_flags.looking_at_anon_fcn_args = true;
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1252 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1253 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1254 ;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1255
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1256 param_list_end : ')'
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1257 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1258 lexer_flags.looking_at_parameter_list = false;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1259 lexer_flags.looking_for_object_index = false;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1260 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1261 ;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1262
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1263 param_list : param_list_beg param_list1 param_list_end
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1264 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1265 lexer_flags.quote_is_transpose = false;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1266 $$ = $2;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1267 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1268 \| param_list_beg error
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1269 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1270 yyerror ("invalid parameter list");
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1271 $$ = 0;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1272 ABORT_PARSE;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1273 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1274 ;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1275
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1276 param_list1 : // empty
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1277 { $$ = 0; }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1278 \| param_list2
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1279 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1280 $1->mark_as_formal_parameters ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1281 if ($1->validate (tree_parameter_list::in))
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1282 $$ = $1;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1283 else
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1284 ABORT_PARSE;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1285 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1286 ;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1287
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1288 param_list2 : decl2
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1289 { $$ = new tree_parameter_list ($1); }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1290 \| param_list2 ',' decl2
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1291 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1292 $1->append ($3);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1293 $$ = $1;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1294 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1295 ;
2970 b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	1296
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	1297 // ===================================
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	1298 // List of function return value names
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	1299 // ===================================
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	1300
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1301 return_list : '[' ']'
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1302 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1303 lexer_flags.looking_at_return_list = false;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1304 $$ = new tree_parameter_list ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1305 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1306 \| return_list1
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1307 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1308 lexer_flags.looking_at_return_list = false;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1309 if ($1->validate (tree_parameter_list::out))
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1310 $$ = $1;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1311 else
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1312 ABORT_PARSE;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1313 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1314 \| '[' return_list1 ']'
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1315 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1316 lexer_flags.looking_at_return_list = false;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1317 if ($2->validate (tree_parameter_list::out))
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1318 $$ = $2;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1319 else
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1320 ABORT_PARSE;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1321 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1322 ;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1323
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1324 return_list1 : identifier
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1325 { $$ = new tree_parameter_list (new tree_decl_elt ($1)); }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1326 \| return_list1 ',' identifier
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1327 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1328 $1->append (new tree_decl_elt ($3));
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1329 $$ = $1;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1330 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1331 ;
2970 b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	1332
7715 5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7699 diff changeset	1333 // ===========
5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7699 diff changeset	1334 // Script file
5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7699 diff changeset	1335 // ===========
5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7699 diff changeset	1336
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1337 script_file : SCRIPT_FILE opt_list END_OF_INPUT
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1338 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1339 tree_statement *end_of_script
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1340 = make_end ("endscript", input_line_number,
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1341 current_input_column);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1342
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1343 make_script ($2, end_of_script);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1344
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1345 $$ = 0;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1346 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1347 ;
7715 5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7699 diff changeset	1348
9474 25ed2d6aacf6 Parse nested functions more accurately. David Grundberg <individ@acc.umu.se> parents: 9471 diff changeset	1349 // =============
25ed2d6aacf6 Parse nested functions more accurately. David Grundberg <individ@acc.umu.se> parents: 9471 diff changeset	1350 // Function file
25ed2d6aacf6 Parse nested functions more accurately. David Grundberg <individ@acc.umu.se> parents: 9471 diff changeset	1351 // =============
25ed2d6aacf6 Parse nested functions more accurately. David Grundberg <individ@acc.umu.se> parents: 9471 diff changeset	1352
25ed2d6aacf6 Parse nested functions more accurately. David Grundberg <individ@acc.umu.se> parents: 9471 diff changeset	1353 function_file : FUNCTION_FILE function_list opt_sep END_OF_INPUT
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1354 { $$ = 0; }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1355 ;
9474 25ed2d6aacf6 Parse nested functions more accurately. David Grundberg <individ@acc.umu.se> parents: 9471 diff changeset	1356
25ed2d6aacf6 Parse nested functions more accurately. David Grundberg <individ@acc.umu.se> parents: 9471 diff changeset	1357 function_list : function
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1358 \| function_list sep function
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1359 ;
9474 25ed2d6aacf6 Parse nested functions more accurately. David Grundberg <individ@acc.umu.se> parents: 9471 diff changeset	1360
2970 b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	1361 // ===================
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	1362 // Function definition
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	1363 // ===================
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	1364
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1365 function_beg : push_fcn_symtab FCN stash_comment
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1366 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1367 $$ = $3;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1368
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11572 diff changeset	1369 if (reading_classdef_file \|\| lexer_flags.parsing_classdef)
12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11572 diff changeset	1370 lexer_flags.maybe_classdef_get_set_method = true;
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1371 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1372 ;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1373
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1374 function : function_beg function1
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1375 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1376 $$ = finish_function (0, $2, $1);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1377 recover_from_parsing_function ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1378 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1379 \| function_beg return_list '=' function1
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1380 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1381 $$ = finish_function ($2, $4, $1);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1382 recover_from_parsing_function ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1383 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1384 ;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1385
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1386 fcn_name : identifier
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1387 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1388 std::string id_name = $1->name ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1389
11464 21b5284fa78d avoid error when parsing nested functions John W. Eaton <jwe@octave.org> parents: 11461 diff changeset	1390 lexer_flags.parsed_function_name.top () = true;
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1391 lexer_flags.maybe_classdef_get_set_method = false;
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11572 diff changeset	1392
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1393 $$ = $1;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1394 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1395 \| GET '.' identifier
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1396 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1397 lexer_flags.maybe_classdef_get_set_method = false;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1398 $$ = $3;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1399 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1400 \| SET '.' identifier
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1401 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1402 lexer_flags.maybe_classdef_get_set_method = false;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1403 $$ = $3;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1404 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1405 ;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1406
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1407 function1 : fcn_name function2
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1408 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1409 std::string fname = $1->name ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1410
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1411 delete $1;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1412
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1413 if (! ($$ = frob_function (fname, $2)))
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1414 ABORT_PARSE;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1415 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1416 ;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1417
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1418 function2 : param_list opt_sep opt_list function_end
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1419 { $$ = start_function ($1, $3, $4); }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1420 \| opt_sep opt_list function_end
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1421 { $$ = start_function (0, $2, $3); }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1422 ;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1423
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1424 function_end : END
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1425 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1426 endfunction_found = true;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1427 if (end_token_ok ($1, token::function_end))
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1428 $$ = make_end ("endfunction", $1->line (), $1->column ());
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1429 else
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1430 ABORT_PARSE;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1431 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1432 \| END_OF_INPUT
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1433 {
9474 25ed2d6aacf6 Parse nested functions more accurately. David Grundberg <individ@acc.umu.se> parents: 9471 diff changeset	1434 // A lot of tests are based on the assumption that this is OK
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1435 // if (reading_script_file)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1436 // {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1437 // yyerror ("function body open at end of script");
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1438 // YYABORT;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1439 // }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1440
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1441 if (endfunction_found)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1442 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1443 yyerror ("inconsistent function endings -- "
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1444 "if one function is explicitly ended, "
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1445 "so must all the others");
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1446 YYABORT;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1447 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1448
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1449 if (! (reading_fcn_file \|\| reading_script_file
10130 0c3609dd34cf oct-parse.yy (eval_string): save and set reading_{script,fcn,classdef}_file vars John W. Eaton <jwe@octave.org> parents: 10067 diff changeset	1450 \|\| get_input_from_eval_string))
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1451 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1452 yyerror ("function body open at end of input");
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1453 YYABORT;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1454 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1455
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1456 if (reading_classdef_file)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1457 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1458 yyerror ("classdef body open at end of input");
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1459 YYABORT;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1460 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1461
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1462 $$ = make_end ("endfunction", input_line_number,
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1463 current_input_column);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1464 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1465 ;
2970 b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	1466
9476 d9b25c5b8ee5 handle classdef syntax in lexer and parser Ryan Rusaw parents: 9474 diff changeset	1467 // ========
d9b25c5b8ee5 handle classdef syntax in lexer and parser Ryan Rusaw parents: 9474 diff changeset	1468 // Classdef
d9b25c5b8ee5 handle classdef syntax in lexer and parser Ryan Rusaw parents: 9474 diff changeset	1469 // ========
d9b25c5b8ee5 handle classdef syntax in lexer and parser Ryan Rusaw parents: 9474 diff changeset	1470
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1471 classdef_beg : CLASSDEF stash_comment
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1472 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1473 $$ = 0;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1474 lexer_flags.parsing_classdef = true;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1475 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1476 ;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1477
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1478 classdef_end : END
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1479 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1480 lexer_flags.parsing_classdef = false;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1481
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1482 if (end_token_ok ($1, token::classdef_end))
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1483 $$ = make_end ("endclassdef", $1->line (), $1->column ());
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1484 else
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1485 ABORT_PARSE;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1486 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1487 ;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1488
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1489 classdef1 : classdef_beg opt_attr_list identifier opt_superclasses
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1490 { $$ = 0; }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1491 ;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1492
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1493 classdef : classdef1 '\n' class_body '\n' stash_comment classdef_end
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1494 { $$ = 0; }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1495 ;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1496
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1497 opt_attr_list : // empty
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1498 { $$ = 0; }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1499 \| '(' attr_list ')'
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1500 { $$ = 0; }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1501 ;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1502
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1503 attr_list : attr
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1504 { $$ = 0; }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1505 \| attr_list ',' attr
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1506 { $$ = 0; }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1507 ;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1508
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1509 attr : identifier
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1510 { $$ = 0; }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1511 \| identifier '=' decl_param_init expression
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1512 { $$ = 0; }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1513 \| EXPR_NOT identifier
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1514 { $$ = 0; }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1515 ;
9476 d9b25c5b8ee5 handle classdef syntax in lexer and parser Ryan Rusaw parents: 9474 diff changeset	1516
d9b25c5b8ee5 handle classdef syntax in lexer and parser Ryan Rusaw parents: 9474 diff changeset	1517 opt_superclasses
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1518 : // empty
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1519 { $$ = 0; }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1520 \| superclasses
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1521 { $$ = 0; }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1522 ;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1523
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1524 superclasses : EXPR_LT identifier '.' identifier
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1525 { $$ = 0; }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1526 \| EXPR_LT identifier
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1527 { $$ = 0; }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1528 \| superclasses EXPR_AND identifier '.' identifier
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1529 { $$ = 0; }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1530 \| superclasses EXPR_AND identifier
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1531 { $$ = 0; }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1532 ;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1533
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1534 class_body : properties_block
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1535 { $$ = 0; }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1536 \| methods_block
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1537 { $$ = 0; }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1538 \| events_block
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1539 { $$ = 0; }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1540 \| class_body '\n' properties_block
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1541 { $$ = 0; }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1542 \| class_body '\n' methods_block
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1543 { $$ = 0; }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1544 \| class_body '\n' events_block
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1545 { $$ = 0; }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1546 ;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1547
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1548 properties_beg : PROPERTIES stash_comment
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1549 { $$ = 0; }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1550 ;
9476 d9b25c5b8ee5 handle classdef syntax in lexer and parser Ryan Rusaw parents: 9474 diff changeset	1551
d9b25c5b8ee5 handle classdef syntax in lexer and parser Ryan Rusaw parents: 9474 diff changeset	1552 properties_block
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1553 : properties_beg opt_attr_list '\n' properties_list '\n' END
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1554 { $$ = 0; }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1555 ;
9476 d9b25c5b8ee5 handle classdef syntax in lexer and parser Ryan Rusaw parents: 9474 diff changeset	1556
d9b25c5b8ee5 handle classdef syntax in lexer and parser Ryan Rusaw parents: 9474 diff changeset	1557 properties_list
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1558 : class_property
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1559 { $$ = 0; }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1560 \| properties_list '\n' class_property
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1561 { $$ = 0; }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1562 ;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1563
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1564 class_property : identifier
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1565 { $$ = 0; }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1566 \| identifier '=' decl_param_init expression ';'
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1567 { $$ = 0; }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1568 ;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1569
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1570 methods_beg : METHODS stash_comment
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1571 { $$ = 0; }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1572 ;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1573
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1574 methods_block : methods_beg opt_attr_list '\n' methods_list '\n' END
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1575 { $$ = 0; }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1576 ;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1577
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1578 methods_list : function
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1579 { $$ = 0; }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1580 \| methods_list '\n' function
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1581 { $$ = 0; }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1582 ;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1583
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1584 events_beg : EVENTS stash_comment
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1585 { $$ = 0; }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1586 ;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1587
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1588 events_block : events_beg opt_attr_list '\n' events_list '\n' END
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1589 { $$ = 0; }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1590 ;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1591
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1592 events_list : class_event
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1593 { $$ = 0; }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1594 \| events_list '\n' class_event
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1595 { $$ = 0; }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1596 ;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1597
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1598 class_event : identifier
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1599 { $$ = 0; }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1600 ;
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11572 diff changeset	1601
2970 b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	1602 // =============
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	1603 // Miscellaneous
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	1604 // =============
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	1605
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1606 stash_comment : // empty
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1607 { $$ = octave_comment_buffer::get_comment (); }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1608 ;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1609
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1610 parse_error : LEXICAL_ERROR
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1611 { yyerror ("parse error"); }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1612 \| error
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1613 ;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1614
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1615 sep_no_nl : ','
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1616 { $$ = ','; }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1617 \| ';'
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1618 { $$ = ';'; }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1619 \| sep_no_nl ','
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1620 { $$ = $1; }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1621 \| sep_no_nl ';'
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1622 { $$ = $1; }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1623 ;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1624
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1625 opt_sep_no_nl : // empty
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1626 { $$ = 0; }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1627 \| sep_no_nl
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1628 { $$ = $1; }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1629 ;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1630
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1631 sep : ','
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1632 { $$ = ','; }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1633 \| ';'
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1634 { $$ = ';'; }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1635 \| '\n'
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1636 { $$ = '\n'; }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1637 \| sep ','
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1638 { $$ = $1; }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1639 \| sep ';'
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1640 { $$ = $1; }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1641 \| sep '\n'
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1642 { $$ = $1; }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1643 ;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1644
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1645 opt_sep : // empty
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1646 { $$ = 0; }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1647 \| sep
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1648 { $$ = $1; }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1649 ;
2525 8561d88be5f2 [project @ 1996-11-17 21:23:31 by jwe] jwe parents: 2524 diff changeset	1650
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	1651 %%
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	1652
666 fb4f6556b443 [project @ 1994-09-06 21:22:46 by jwe] jwe parents: 627 diff changeset	1653 // Generic error messages.
fb4f6556b443 [project @ 1994-09-06 21:22:46 by jwe] jwe parents: 627 diff changeset	1654
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	1655 static void
2805 68e6d0c93fc8 [project @ 1997-03-11 04:52:44 by jwe] jwe parents: 2791 diff changeset	1656 yyerror (const char *s)
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	1657 {
143 7849db4b6dbc [project @ 1993-10-04 02:36:45 by jwe] jwe parents: 118 diff changeset	1658 int err_col = current_input_column - 1;
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	1659
5765 7ba9ad1fec11 [project @ 2006-04-17 05:05:15 by jwe] jwe parents: 5760 diff changeset	1660 std::ostringstream output_buf;
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	1661
9476 d9b25c5b8ee5 handle classdef syntax in lexer and parser Ryan Rusaw parents: 9474 diff changeset	1662 if (reading_fcn_file \|\| reading_script_file \|\| reading_classdef_file)
1005 46a2983cb297 [project @ 1995-01-03 02:08:32 by jwe] jwe parents: 991 diff changeset	1663 output_buf << "parse error near line " << input_line_number
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1664 << " of file " << curr_fcn_file_full_name;
1005 46a2983cb297 [project @ 1995-01-03 02:08:32 by jwe] jwe parents: 991 diff changeset	1665 else
46a2983cb297 [project @ 1995-01-03 02:08:32 by jwe] jwe parents: 991 diff changeset	1666 output_buf << "parse error:";
581 bc813f5eb025 [project @ 1994-08-07 01:02:15 by jwe] jwe parents: 578 diff changeset	1667
1005 46a2983cb297 [project @ 1995-01-03 02:08:32 by jwe] jwe parents: 991 diff changeset	1668 if (s && strcmp (s, "parse error") != 0)
46a2983cb297 [project @ 1995-01-03 02:08:32 by jwe] jwe parents: 991 diff changeset	1669 output_buf << "\n\n " << s;
46a2983cb297 [project @ 1995-01-03 02:08:32 by jwe] jwe parents: 991 diff changeset	1670
46a2983cb297 [project @ 1995-01-03 02:08:32 by jwe] jwe parents: 991 diff changeset	1671 output_buf << "\n\n";
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	1672
1755 3a9462b655f1 [project @ 1996-01-22 04:47:22 by jwe] jwe parents: 1743 diff changeset	1673 if (! current_input_line.empty ())
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	1674 {
1755 3a9462b655f1 [project @ 1996-01-22 04:47:22 by jwe] jwe parents: 1743 diff changeset	1675 size_t len = current_input_line.length ();
1060 8c1a25cdfa81 [project @ 1995-01-23 00:10:03 by jwe] jwe parents: 1054 diff changeset	1676
1755 3a9462b655f1 [project @ 1996-01-22 04:47:22 by jwe] jwe parents: 1743 diff changeset	1677 if (current_input_line[len-1] == '\n')
3a9462b655f1 [project @ 1996-01-22 04:47:22 by jwe] jwe parents: 1743 diff changeset	1678 current_input_line.resize (len-1);
1005 46a2983cb297 [project @ 1995-01-03 02:08:32 by jwe] jwe parents: 991 diff changeset	1679
4051 b79da8779a0e [project @ 2002-08-17 19:38:32 by jwe] jwe parents: 4044 diff changeset	1680 // Print the line, maybe with a pointer near the error token.
1005 46a2983cb297 [project @ 1995-01-03 02:08:32 by jwe] jwe parents: 991 diff changeset	1681
1755 3a9462b655f1 [project @ 1996-01-22 04:47:22 by jwe] jwe parents: 1743 diff changeset	1682 output_buf << ">>> " << current_input_line << "\n";
1060 8c1a25cdfa81 [project @ 1995-01-23 00:10:03 by jwe] jwe parents: 1054 diff changeset	1683
8c1a25cdfa81 [project @ 1995-01-23 00:10:03 by jwe] jwe parents: 1054 diff changeset	1684 if (err_col == 0)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1685 err_col = len;
1060 8c1a25cdfa81 [project @ 1995-01-23 00:10:03 by jwe] jwe parents: 1054 diff changeset	1686
8c1a25cdfa81 [project @ 1995-01-23 00:10:03 by jwe] jwe parents: 1054 diff changeset	1687 for (int i = 0; i < err_col + 3; i++)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1688 output_buf << " ";
1060 8c1a25cdfa81 [project @ 1995-01-23 00:10:03 by jwe] jwe parents: 1054 diff changeset	1689
8c1a25cdfa81 [project @ 1995-01-23 00:10:03 by jwe] jwe parents: 1054 diff changeset	1690 output_buf << "^";
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	1691 }
1005 46a2983cb297 [project @ 1995-01-03 02:08:32 by jwe] jwe parents: 991 diff changeset	1692
5765 7ba9ad1fec11 [project @ 2006-04-17 05:05:15 by jwe] jwe parents: 5760 diff changeset	1693 output_buf << "\n";
7ba9ad1fec11 [project @ 2006-04-17 05:05:15 by jwe] jwe parents: 5760 diff changeset	1694
7ba9ad1fec11 [project @ 2006-04-17 05:05:15 by jwe] jwe parents: 5760 diff changeset	1695 std::string msg = output_buf.str ();
7ba9ad1fec11 [project @ 2006-04-17 05:05:15 by jwe] jwe parents: 5760 diff changeset	1696
7ba9ad1fec11 [project @ 2006-04-17 05:05:15 by jwe] jwe parents: 5760 diff changeset	1697 parse_error ("%s", msg.c_str ());
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	1698 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	1699
666 fb4f6556b443 [project @ 1994-09-06 21:22:46 by jwe] jwe parents: 627 diff changeset	1700 // Error mesages for mismatched end tokens.
fb4f6556b443 [project @ 1994-09-06 21:22:46 by jwe] jwe parents: 627 diff changeset	1701
496 e7c5b23b34d3 [project @ 1994-07-06 15:02:26 by jwe] jwe parents: 482 diff changeset	1702 static void
2805 68e6d0c93fc8 [project @ 1997-03-11 04:52:44 by jwe] jwe parents: 2791 diff changeset	1703 end_error (const char *type, token::end_tok_type ettype, int l, int c)
496 e7c5b23b34d3 [project @ 1994-07-06 15:02:26 by jwe] jwe parents: 482 diff changeset	1704 {
2805 68e6d0c93fc8 [project @ 1997-03-11 04:52:44 by jwe] jwe parents: 2791 diff changeset	1705 static const char *fmt
68e6d0c93fc8 [project @ 1997-03-11 04:52:44 by jwe] jwe parents: 2791 diff changeset	1706 = "`%s' command matched by `%s' near line %d column %d";
496 e7c5b23b34d3 [project @ 1994-07-06 15:02:26 by jwe] jwe parents: 482 diff changeset	1707
e7c5b23b34d3 [project @ 1994-07-06 15:02:26 by jwe] jwe parents: 482 diff changeset	1708 switch (ettype)
e7c5b23b34d3 [project @ 1994-07-06 15:02:26 by jwe] jwe parents: 482 diff changeset	1709 {
e7c5b23b34d3 [project @ 1994-07-06 15:02:26 by jwe] jwe parents: 482 diff changeset	1710 case token::simple_end:
e7c5b23b34d3 [project @ 1994-07-06 15:02:26 by jwe] jwe parents: 482 diff changeset	1711 error (fmt, type, "end", l, c);
e7c5b23b34d3 [project @ 1994-07-06 15:02:26 by jwe] jwe parents: 482 diff changeset	1712 break;
777 a2f9d3fd720c [project @ 1994-10-07 14:01:53 by jwe] jwe parents: 773 diff changeset	1713
496 e7c5b23b34d3 [project @ 1994-07-06 15:02:26 by jwe] jwe parents: 482 diff changeset	1714 case token::for_end:
e7c5b23b34d3 [project @ 1994-07-06 15:02:26 by jwe] jwe parents: 482 diff changeset	1715 error (fmt, type, "endfor", l, c);
e7c5b23b34d3 [project @ 1994-07-06 15:02:26 by jwe] jwe parents: 482 diff changeset	1716 break;
777 a2f9d3fd720c [project @ 1994-10-07 14:01:53 by jwe] jwe parents: 773 diff changeset	1717
496 e7c5b23b34d3 [project @ 1994-07-06 15:02:26 by jwe] jwe parents: 482 diff changeset	1718 case token::function_end:
e7c5b23b34d3 [project @ 1994-07-06 15:02:26 by jwe] jwe parents: 482 diff changeset	1719 error (fmt, type, "endfunction", l, c);
e7c5b23b34d3 [project @ 1994-07-06 15:02:26 by jwe] jwe parents: 482 diff changeset	1720 break;
777 a2f9d3fd720c [project @ 1994-10-07 14:01:53 by jwe] jwe parents: 773 diff changeset	1721
9476 d9b25c5b8ee5 handle classdef syntax in lexer and parser Ryan Rusaw parents: 9474 diff changeset	1722 case token::classdef_end:
d9b25c5b8ee5 handle classdef syntax in lexer and parser Ryan Rusaw parents: 9474 diff changeset	1723 error (fmt, type, "endclassdef", l, c);
d9b25c5b8ee5 handle classdef syntax in lexer and parser Ryan Rusaw parents: 9474 diff changeset	1724 break;
d9b25c5b8ee5 handle classdef syntax in lexer and parser Ryan Rusaw parents: 9474 diff changeset	1725
496 e7c5b23b34d3 [project @ 1994-07-06 15:02:26 by jwe] jwe parents: 482 diff changeset	1726 case token::if_end:
e7c5b23b34d3 [project @ 1994-07-06 15:02:26 by jwe] jwe parents: 482 diff changeset	1727 error (fmt, type, "endif", l, c);
e7c5b23b34d3 [project @ 1994-07-06 15:02:26 by jwe] jwe parents: 482 diff changeset	1728 break;
777 a2f9d3fd720c [project @ 1994-10-07 14:01:53 by jwe] jwe parents: 773 diff changeset	1729
3233 98d0ee053ba4 [project @ 1999-01-27 20:23:40 by jwe] jwe parents: 3216 diff changeset	1730 case token::switch_end:
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11572 diff changeset	1731 error (fmt, type, "endswitch", l, c);
3233 98d0ee053ba4 [project @ 1999-01-27 20:23:40 by jwe] jwe parents: 3216 diff changeset	1732 break;
98d0ee053ba4 [project @ 1999-01-27 20:23:40 by jwe] jwe parents: 3216 diff changeset	1733
496 e7c5b23b34d3 [project @ 1994-07-06 15:02:26 by jwe] jwe parents: 482 diff changeset	1734 case token::while_end:
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11572 diff changeset	1735 error (fmt, type, "endwhile", l, c);
496 e7c5b23b34d3 [project @ 1994-07-06 15:02:26 by jwe] jwe parents: 482 diff changeset	1736 break;
777 a2f9d3fd720c [project @ 1994-10-07 14:01:53 by jwe] jwe parents: 773 diff changeset	1737
5400 c7e3cf2fce3e [project @ 2005-07-05 15:01:32 by jwe] jwe parents: 5397 diff changeset	1738 case token::try_catch_end:
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11572 diff changeset	1739 error (fmt, type, "end_try_catch", l, c);
5400 c7e3cf2fce3e [project @ 2005-07-05 15:01:32 by jwe] jwe parents: 5397 diff changeset	1740 break;
c7e3cf2fce3e [project @ 2005-07-05 15:01:32 by jwe] jwe parents: 5397 diff changeset	1741
1371 766af9ca8edb [project @ 1995-09-06 21:36:02 by jwe] jwe parents: 1351 diff changeset	1742 case token::unwind_protect_end:
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11572 diff changeset	1743 error (fmt, type, "end_unwind_protect", l, c);
1371 766af9ca8edb [project @ 1995-09-06 21:36:02 by jwe] jwe parents: 1351 diff changeset	1744 break;
766af9ca8edb [project @ 1995-09-06 21:36:02 by jwe] jwe parents: 1351 diff changeset	1745
496 e7c5b23b34d3 [project @ 1994-07-06 15:02:26 by jwe] jwe parents: 482 diff changeset	1746 default:
e7c5b23b34d3 [project @ 1994-07-06 15:02:26 by jwe] jwe parents: 482 diff changeset	1747 panic_impossible ();
e7c5b23b34d3 [project @ 1994-07-06 15:02:26 by jwe] jwe parents: 482 diff changeset	1748 break;
e7c5b23b34d3 [project @ 1994-07-06 15:02:26 by jwe] jwe parents: 482 diff changeset	1749 }
e7c5b23b34d3 [project @ 1994-07-06 15:02:26 by jwe] jwe parents: 482 diff changeset	1750 }
e7c5b23b34d3 [project @ 1994-07-06 15:02:26 by jwe] jwe parents: 482 diff changeset	1751
666 fb4f6556b443 [project @ 1994-09-06 21:22:46 by jwe] jwe parents: 627 diff changeset	1752 // Check to see that end tokens are properly matched.
fb4f6556b443 [project @ 1994-09-06 21:22:46 by jwe] jwe parents: 627 diff changeset	1753
2857 5448c8cba402 [project @ 1997-03-31 07:06:10 by jwe] jwe parents: 2856 diff changeset	1754 static bool
5448c8cba402 [project @ 1997-03-31 07:06:10 by jwe] jwe parents: 2856 diff changeset	1755 end_token_ok (token *tok, token::end_tok_type expected)
143 7849db4b6dbc [project @ 1993-10-04 02:36:45 by jwe] jwe parents: 118 diff changeset	1756 {
2857 5448c8cba402 [project @ 1997-03-31 07:06:10 by jwe] jwe parents: 2856 diff changeset	1757 bool retval = true;
5448c8cba402 [project @ 1997-03-31 07:06:10 by jwe] jwe parents: 2856 diff changeset	1758
143 7849db4b6dbc [project @ 1993-10-04 02:36:45 by jwe] jwe parents: 118 diff changeset	1759 token::end_tok_type ettype = tok->ettype ();
2857 5448c8cba402 [project @ 1997-03-31 07:06:10 by jwe] jwe parents: 2856 diff changeset	1760
143 7849db4b6dbc [project @ 1993-10-04 02:36:45 by jwe] jwe parents: 118 diff changeset	1761 if (ettype != expected && ettype != token::simple_end)
7849db4b6dbc [project @ 1993-10-04 02:36:45 by jwe] jwe parents: 118 diff changeset	1762 {
2857 5448c8cba402 [project @ 1997-03-31 07:06:10 by jwe] jwe parents: 2856 diff changeset	1763 retval = false;
5448c8cba402 [project @ 1997-03-31 07:06:10 by jwe] jwe parents: 2856 diff changeset	1764
143 7849db4b6dbc [project @ 1993-10-04 02:36:45 by jwe] jwe parents: 118 diff changeset	1765 yyerror ("parse error");
7849db4b6dbc [project @ 1993-10-04 02:36:45 by jwe] jwe parents: 118 diff changeset	1766
7849db4b6dbc [project @ 1993-10-04 02:36:45 by jwe] jwe parents: 118 diff changeset	1767 int l = tok->line ();
7849db4b6dbc [project @ 1993-10-04 02:36:45 by jwe] jwe parents: 118 diff changeset	1768 int c = tok->column ();
7849db4b6dbc [project @ 1993-10-04 02:36:45 by jwe] jwe parents: 118 diff changeset	1769
7849db4b6dbc [project @ 1993-10-04 02:36:45 by jwe] jwe parents: 118 diff changeset	1770 switch (expected)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1771 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1772 case token::classdef_end:
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1773 end_error ("classdef", ettype, l, c);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1774 break;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1775
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1776 case token::for_end:
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1777 end_error ("for", ettype, l, c);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1778 break;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1779
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1780 case token::function_end:
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1781 end_error ("function", ettype, l, c);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1782 break;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1783
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1784 case token::if_end:
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1785 end_error ("if", ettype, l, c);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1786 break;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1787
13246 0c69a564f2be additional parfor changes John W. Eaton <jwe@octave.org> parents: 13245 diff changeset	1788 case token::parfor_end:
0c69a564f2be additional parfor changes John W. Eaton <jwe@octave.org> parents: 13245 diff changeset	1789 end_error ("parfor", ettype, l, c);
0c69a564f2be additional parfor changes John W. Eaton <jwe@octave.org> parents: 13245 diff changeset	1790 break;
0c69a564f2be additional parfor changes John W. Eaton <jwe@octave.org> parents: 13245 diff changeset	1791
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1792 case token::try_catch_end:
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1793 end_error ("try", ettype, l, c);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1794 break;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1795
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1796 case token::switch_end:
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1797 end_error ("switch", ettype, l, c);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1798 break;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1799
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1800 case token::unwind_protect_end:
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1801 end_error ("unwind_protect", ettype, l, c);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1802 break;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1803
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1804 case token::while_end:
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1805 end_error ("while", ettype, l, c);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1806 break;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1807
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1808 default:
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1809 panic_impossible ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1810 break;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1811 }
143 7849db4b6dbc [project @ 1993-10-04 02:36:45 by jwe] jwe parents: 118 diff changeset	1812 }
2857 5448c8cba402 [project @ 1997-03-31 07:06:10 by jwe] jwe parents: 2856 diff changeset	1813
5448c8cba402 [project @ 1997-03-31 07:06:10 by jwe] jwe parents: 2856 diff changeset	1814 return retval;
143 7849db4b6dbc [project @ 1993-10-04 02:36:45 by jwe] jwe parents: 118 diff changeset	1815 }
7849db4b6dbc [project @ 1993-10-04 02:36:45 by jwe] jwe parents: 118 diff changeset	1816
666 fb4f6556b443 [project @ 1994-09-06 21:22:46 by jwe] jwe parents: 627 diff changeset	1817 // Maybe print a warning if an assignment expression is used as the
fb4f6556b443 [project @ 1994-09-06 21:22:46 by jwe] jwe parents: 627 diff changeset	1818 // test in a logical expression.
fb4f6556b443 [project @ 1994-09-06 21:22:46 by jwe] jwe parents: 627 diff changeset	1819
496 e7c5b23b34d3 [project @ 1994-07-06 15:02:26 by jwe] jwe parents: 482 diff changeset	1820 static void
e7c5b23b34d3 [project @ 1994-07-06 15:02:26 by jwe] jwe parents: 482 diff changeset	1821 maybe_warn_assign_as_truth_value (tree_expression *expr)
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	1822 {
5781 faafc2d98b8d [project @ 2006-05-02 19:40:19 by jwe] jwe parents: 5775 diff changeset	1823 if (expr->is_assignment_expression ()
2961 8a77d52c9d02 [project @ 1997-05-12 01:36:04 by jwe] jwe parents: 2960 diff changeset	1824 && expr->paren_count () < 2)
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	1825 {
8974 fde2a916b2ac include line and file info in parser warnings John W. Eaton <jwe@octave.org> parents: 8950 diff changeset	1826 if (curr_fcn_file_full_name.empty ())
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1827 warning_with_id
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1828 ("Octave:assign-as-truth-value",
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1829 "suggest parenthesis around assignment used as truth value");
8974 fde2a916b2ac include line and file info in parser warnings John W. Eaton <jwe@octave.org> parents: 8950 diff changeset	1830 else
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1831 warning_with_id
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1832 ("Octave:assign-as-truth-value",
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1833 "suggest parenthesis around assignment used as truth value near line %d, column %d in file `%s'",
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1834 expr->line (), expr->column (), curr_fcn_file_full_name.c_str ());
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	1835 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	1836 }
578 d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	1837
2764 2c0f259cf83d [project @ 1997-03-01 02:30:26 by jwe] jwe parents: 2745 diff changeset	1838 // Maybe print a warning about switch labels that aren't constants.
2c0f259cf83d [project @ 1997-03-01 02:30:26 by jwe] jwe parents: 2745 diff changeset	1839
2c0f259cf83d [project @ 1997-03-01 02:30:26 by jwe] jwe parents: 2745 diff changeset	1840 static void
2c0f259cf83d [project @ 1997-03-01 02:30:26 by jwe] jwe parents: 2745 diff changeset	1841 maybe_warn_variable_switch_label (tree_expression *expr)
2c0f259cf83d [project @ 1997-03-01 02:30:26 by jwe] jwe parents: 2745 diff changeset	1842 {
5781 faafc2d98b8d [project @ 2006-05-02 19:40:19 by jwe] jwe parents: 5775 diff changeset	1843 if (! expr->is_constant ())
8974 fde2a916b2ac include line and file info in parser warnings John W. Eaton <jwe@octave.org> parents: 8950 diff changeset	1844 {
fde2a916b2ac include line and file info in parser warnings John W. Eaton <jwe@octave.org> parents: 8950 diff changeset	1845 if (curr_fcn_file_full_name.empty ())
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1846 warning_with_id ("Octave:variable-switch-label",
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1847 "variable switch label");
8974 fde2a916b2ac include line and file info in parser warnings John W. Eaton <jwe@octave.org> parents: 8950 diff changeset	1848 else
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1849 warning_with_id
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1850 ("Octave:variable-switch-label",
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1851 "variable switch label near line %d, column %d in file `%s'",
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1852 expr->line (), expr->column (), curr_fcn_file_full_name.c_str ());
8974 fde2a916b2ac include line and file info in parser warnings John W. Eaton <jwe@octave.org> parents: 8950 diff changeset	1853 }
2764 2c0f259cf83d [project @ 1997-03-01 02:30:26 by jwe] jwe parents: 2745 diff changeset	1854 }
2c0f259cf83d [project @ 1997-03-01 02:30:26 by jwe] jwe parents: 2745 diff changeset	1855
2533 987e934bbb8c [project @ 1996-11-19 18:21:23 by jwe] jwe parents: 2525 diff changeset	1856 static tree_expression *
987e934bbb8c [project @ 1996-11-19 18:21:23 by jwe] jwe parents: 2525 diff changeset	1857 fold (tree_binary_expression *e)
987e934bbb8c [project @ 1996-11-19 18:21:23 by jwe] jwe parents: 2525 diff changeset	1858 {
3110 fe2d1ae8926b [project @ 1997-11-21 02:11:19 by jwe] jwe parents: 3099 diff changeset	1859 tree_expression *retval = e;
fe2d1ae8926b [project @ 1997-11-21 02:11:19 by jwe] jwe parents: 3099 diff changeset	1860
10067 6f79338c269b omission from last patch Jaroslav Hajek <highegg@gmail.com> parents: 9794 diff changeset	1861 unwind_protect frame;
6f79338c269b omission from last patch Jaroslav Hajek <highegg@gmail.com> parents: 9794 diff changeset	1862
6f79338c269b omission from last patch Jaroslav Hajek <highegg@gmail.com> parents: 9794 diff changeset	1863 frame.protect_var (error_state);
6f79338c269b omission from last patch Jaroslav Hajek <highegg@gmail.com> parents: 9794 diff changeset	1864 frame.protect_var (warning_state);
6f79338c269b omission from last patch Jaroslav Hajek <highegg@gmail.com> parents: 9794 diff changeset	1865
6f79338c269b omission from last patch Jaroslav Hajek <highegg@gmail.com> parents: 9794 diff changeset	1866 frame.protect_var (discard_error_messages);
6f79338c269b omission from last patch Jaroslav Hajek <highegg@gmail.com> parents: 9794 diff changeset	1867 frame.protect_var (discard_warning_messages);
4452 f3c21a1d1c62 [project @ 2003-07-09 23:20:18 by jwe] jwe parents: 4426 diff changeset	1868
3815 c554ad71bafc [project @ 2001-04-19 19:50:52 by jwe] jwe parents: 3802 diff changeset	1869 discard_error_messages = true;
4452 f3c21a1d1c62 [project @ 2003-07-09 23:20:18 by jwe] jwe parents: 4426 diff changeset	1870 discard_warning_messages = true;
2533 987e934bbb8c [project @ 1996-11-19 18:21:23 by jwe] jwe parents: 2525 diff changeset	1871
987e934bbb8c [project @ 1996-11-19 18:21:23 by jwe] jwe parents: 2525 diff changeset	1872 tree_expression *op1 = e->lhs ();
987e934bbb8c [project @ 1996-11-19 18:21:23 by jwe] jwe parents: 2525 diff changeset	1873 tree_expression *op2 = e->rhs ();
987e934bbb8c [project @ 1996-11-19 18:21:23 by jwe] jwe parents: 2525 diff changeset	1874
5161 3cdcddfab90b [project @ 2005-02-23 16:44:59 by jwe] jwe parents: 5160 diff changeset	1875 octave_value::binary_op op_type = e->op_type ();
3cdcddfab90b [project @ 2005-02-23 16:44:59 by jwe] jwe parents: 5160 diff changeset	1876
3cdcddfab90b [project @ 2005-02-23 16:44:59 by jwe] jwe parents: 5160 diff changeset	1877 if (op1->is_constant () && op2->is_constant ()
5781 faafc2d98b8d [project @ 2006-05-02 19:40:19 by jwe] jwe parents: 5775 diff changeset	1878 && (! ((warning_enabled ("Octave:associativity-change")
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1879 && (op_type == POW \|\| op_type == EPOW))
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1880 \|\| (warning_enabled ("Octave:precedence-change")
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1881 && (op_type == EXPR_OR \|\| op_type == EXPR_OR_OR)))))
2533 987e934bbb8c [project @ 1996-11-19 18:21:23 by jwe] jwe parents: 2525 diff changeset	1882 {
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: 8471 diff changeset	1883 octave_value tmp = e->rvalue1 ();
2533 987e934bbb8c [project @ 1996-11-19 18:21:23 by jwe] jwe parents: 2525 diff changeset	1884
3489 cbee5fbb696d [project @ 2000-01-28 09:14:32 by jwe] jwe parents: 3485 diff changeset	1885 if (! (error_state \|\| warning_state))
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1886 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1887 tree_constant *tc_retval
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1888 = new tree_constant (tmp, op1->line (), op1->column ());
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1889
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1890 std::ostringstream buf;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1891
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1892 tree_print_code tpc (buf);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1893
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1894 e->accept (tpc);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1895
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1896 tc_retval->stash_original_text (buf.str ());
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1897
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1898 delete e;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1899
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1900 retval = tc_retval;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1901 }
2533 987e934bbb8c [project @ 1996-11-19 18:21:23 by jwe] jwe parents: 2525 diff changeset	1902 }
3110 fe2d1ae8926b [project @ 1997-11-21 02:11:19 by jwe] jwe parents: 3099 diff changeset	1903
3292 ad0d250ebd7e [project @ 1999-10-14 22:52:28 by jwe] jwe parents: 3258 diff changeset	1904 return retval;
ad0d250ebd7e [project @ 1999-10-14 22:52:28 by jwe] jwe parents: 3258 diff changeset	1905 }
ad0d250ebd7e [project @ 1999-10-14 22:52:28 by jwe] jwe parents: 3258 diff changeset	1906
ad0d250ebd7e [project @ 1999-10-14 22:52:28 by jwe] jwe parents: 3258 diff changeset	1907 static tree_expression *
ad0d250ebd7e [project @ 1999-10-14 22:52:28 by jwe] jwe parents: 3258 diff changeset	1908 fold (tree_unary_expression *e)
ad0d250ebd7e [project @ 1999-10-14 22:52:28 by jwe] jwe parents: 3258 diff changeset	1909 {
ad0d250ebd7e [project @ 1999-10-14 22:52:28 by jwe] jwe parents: 3258 diff changeset	1910 tree_expression *retval = e;
ad0d250ebd7e [project @ 1999-10-14 22:52:28 by jwe] jwe parents: 3258 diff changeset	1911
10067 6f79338c269b omission from last patch Jaroslav Hajek <highegg@gmail.com> parents: 9794 diff changeset	1912 unwind_protect frame;
6f79338c269b omission from last patch Jaroslav Hajek <highegg@gmail.com> parents: 9794 diff changeset	1913
6f79338c269b omission from last patch Jaroslav Hajek <highegg@gmail.com> parents: 9794 diff changeset	1914 frame.protect_var (error_state);
6f79338c269b omission from last patch Jaroslav Hajek <highegg@gmail.com> parents: 9794 diff changeset	1915 frame.protect_var (warning_state);
6f79338c269b omission from last patch Jaroslav Hajek <highegg@gmail.com> parents: 9794 diff changeset	1916
6f79338c269b omission from last patch Jaroslav Hajek <highegg@gmail.com> parents: 9794 diff changeset	1917 frame.protect_var (discard_error_messages);
6f79338c269b omission from last patch Jaroslav Hajek <highegg@gmail.com> parents: 9794 diff changeset	1918 frame.protect_var (discard_warning_messages);
4452 f3c21a1d1c62 [project @ 2003-07-09 23:20:18 by jwe] jwe parents: 4426 diff changeset	1919
3815 c554ad71bafc [project @ 2001-04-19 19:50:52 by jwe] jwe parents: 3802 diff changeset	1920 discard_error_messages = true;
4452 f3c21a1d1c62 [project @ 2003-07-09 23:20:18 by jwe] jwe parents: 4426 diff changeset	1921 discard_warning_messages = true;
3292 ad0d250ebd7e [project @ 1999-10-14 22:52:28 by jwe] jwe parents: 3258 diff changeset	1922
ad0d250ebd7e [project @ 1999-10-14 22:52:28 by jwe] jwe parents: 3258 diff changeset	1923 tree_expression *op = e->operand ();
ad0d250ebd7e [project @ 1999-10-14 22:52:28 by jwe] jwe parents: 3258 diff changeset	1924
ad0d250ebd7e [project @ 1999-10-14 22:52:28 by jwe] jwe parents: 3258 diff changeset	1925 if (op->is_constant ())
ad0d250ebd7e [project @ 1999-10-14 22:52:28 by jwe] jwe parents: 3258 diff changeset	1926 {
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: 8471 diff changeset	1927 octave_value tmp = e->rvalue1 ();
3292 ad0d250ebd7e [project @ 1999-10-14 22:52:28 by jwe] jwe parents: 3258 diff changeset	1928
3489 cbee5fbb696d [project @ 2000-01-28 09:14:32 by jwe] jwe parents: 3485 diff changeset	1929 if (! (error_state \|\| warning_state))
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1930 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1931 tree_constant *tc_retval
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1932 = new tree_constant (tmp, op->line (), op->column ());
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1933
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1934 std::ostringstream buf;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1935
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1936 tree_print_code tpc (buf);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1937
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1938 e->accept (tpc);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1939
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1940 tc_retval->stash_original_text (buf.str ());
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1941
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1942 delete e;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1943
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1944 retval = tc_retval;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1945 }
3292 ad0d250ebd7e [project @ 1999-10-14 22:52:28 by jwe] jwe parents: 3258 diff changeset	1946 }
ad0d250ebd7e [project @ 1999-10-14 22:52:28 by jwe] jwe parents: 3258 diff changeset	1947
2533 987e934bbb8c [project @ 1996-11-19 18:21:23 by jwe] jwe parents: 2525 diff changeset	1948 return retval;
987e934bbb8c [project @ 1996-11-19 18:21:23 by jwe] jwe parents: 2525 diff changeset	1949 }
987e934bbb8c [project @ 1996-11-19 18:21:23 by jwe] jwe parents: 2525 diff changeset	1950
1623 fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	1951 // Finish building a range.
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	1952
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	1953 static tree_expression *
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	1954 finish_colon_expression (tree_colon_expression *e)
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	1955 {
3110 fe2d1ae8926b [project @ 1997-11-21 02:11:19 by jwe] jwe parents: 3099 diff changeset	1956 tree_expression *retval = e;
fe2d1ae8926b [project @ 1997-11-21 02:11:19 by jwe] jwe parents: 3099 diff changeset	1957
10067 6f79338c269b omission from last patch Jaroslav Hajek <highegg@gmail.com> parents: 9794 diff changeset	1958 unwind_protect frame;
6f79338c269b omission from last patch Jaroslav Hajek <highegg@gmail.com> parents: 9794 diff changeset	1959
6f79338c269b omission from last patch Jaroslav Hajek <highegg@gmail.com> parents: 9794 diff changeset	1960 frame.protect_var (error_state);
6f79338c269b omission from last patch Jaroslav Hajek <highegg@gmail.com> parents: 9794 diff changeset	1961 frame.protect_var (warning_state);
6f79338c269b omission from last patch Jaroslav Hajek <highegg@gmail.com> parents: 9794 diff changeset	1962
6f79338c269b omission from last patch Jaroslav Hajek <highegg@gmail.com> parents: 9794 diff changeset	1963 frame.protect_var (discard_error_messages);
6f79338c269b omission from last patch Jaroslav Hajek <highegg@gmail.com> parents: 9794 diff changeset	1964 frame.protect_var (discard_warning_messages);
4452 f3c21a1d1c62 [project @ 2003-07-09 23:20:18 by jwe] jwe parents: 4426 diff changeset	1965
3815 c554ad71bafc [project @ 2001-04-19 19:50:52 by jwe] jwe parents: 3802 diff changeset	1966 discard_error_messages = true;
4452 f3c21a1d1c62 [project @ 2003-07-09 23:20:18 by jwe] jwe parents: 4426 diff changeset	1967 discard_warning_messages = true;
1623 fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	1968
2533 987e934bbb8c [project @ 1996-11-19 18:21:23 by jwe] jwe parents: 2525 diff changeset	1969 tree_expression *base = e->base ();
987e934bbb8c [project @ 1996-11-19 18:21:23 by jwe] jwe parents: 2525 diff changeset	1970 tree_expression *limit = e->limit ();
987e934bbb8c [project @ 1996-11-19 18:21:23 by jwe] jwe parents: 2525 diff changeset	1971 tree_expression *incr = e->increment ();
987e934bbb8c [project @ 1996-11-19 18:21:23 by jwe] jwe parents: 2525 diff changeset	1972
2970 b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	1973 if (base)
1623 fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	1974 {
2970 b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	1975 if (limit)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1976 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1977 if (base->is_constant () && limit->is_constant ()
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1978 && (! incr \|\| (incr && incr->is_constant ())))
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1979 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1980 octave_value tmp = e->rvalue1 ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1981
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1982 if (! (error_state \|\| warning_state))
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1983 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1984 tree_constant *tc_retval
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1985 = new tree_constant (tmp, base->line (), base->column ());
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1986
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1987 std::ostringstream buf;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1988
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1989 tree_print_code tpc (buf);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1990
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1991 e->accept (tpc);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1992
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1993 tc_retval->stash_original_text (buf.str ());
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1994
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1995 delete e;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1996
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1997 retval = tc_retval;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1998 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1999 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2000 }
2533 987e934bbb8c [project @ 1996-11-19 18:21:23 by jwe] jwe parents: 2525 diff changeset	2001 else
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2002 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2003 e->preserve_base ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2004 delete e;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2005
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2006 // FIXME -- need to attempt constant folding here
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2007 // too (we need a generic way to do that).
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2008 retval = base;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2009 }
1623 fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2010 }
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2011
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2012 return retval;
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2013 }
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2014
1607 795527e9db19 [project @ 1995-11-02 13:03:36 by jwe] jwe parents: 1588 diff changeset	2015 // Make a constant.
795527e9db19 [project @ 1995-11-02 13:03:36 by jwe] jwe parents: 1588 diff changeset	2016
2375 7ef24992e290 [project @ 1996-10-12 00:39:52 by jwe] jwe parents: 2200 diff changeset	2017 static tree_constant *
1607 795527e9db19 [project @ 1995-11-02 13:03:36 by jwe] jwe parents: 1588 diff changeset	2018 make_constant (int op, token *tok_val)
795527e9db19 [project @ 1995-11-02 13:03:36 by jwe] jwe parents: 1588 diff changeset	2019 {
795527e9db19 [project @ 1995-11-02 13:03:36 by jwe] jwe parents: 1588 diff changeset	2020 int l = tok_val->line ();
795527e9db19 [project @ 1995-11-02 13:03:36 by jwe] jwe parents: 1588 diff changeset	2021 int c = tok_val->column ();
795527e9db19 [project @ 1995-11-02 13:03:36 by jwe] jwe parents: 1588 diff changeset	2022
3216 60a89a69a70a [project @ 1998-11-11 20:47:03 by jwe] jwe parents: 3208 diff changeset	2023 tree_constant *retval = 0;
1607 795527e9db19 [project @ 1995-11-02 13:03:36 by jwe] jwe parents: 1588 diff changeset	2024
795527e9db19 [project @ 1995-11-02 13:03:36 by jwe] jwe parents: 1588 diff changeset	2025 switch (op)
795527e9db19 [project @ 1995-11-02 13:03:36 by jwe] jwe parents: 1588 diff changeset	2026 {
795527e9db19 [project @ 1995-11-02 13:03:36 by jwe] jwe parents: 1588 diff changeset	2027 case NUM:
2533 987e934bbb8c [project @ 1996-11-19 18:21:23 by jwe] jwe parents: 2525 diff changeset	2028 {
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2029 octave_value tmp (tok_val->number ());
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2030 retval = new tree_constant (tmp, l, c);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2031 retval->stash_original_text (tok_val->text_rep ());
2533 987e934bbb8c [project @ 1996-11-19 18:21:23 by jwe] jwe parents: 2525 diff changeset	2032 }
1607 795527e9db19 [project @ 1995-11-02 13:03:36 by jwe] jwe parents: 1588 diff changeset	2033 break;
795527e9db19 [project @ 1995-11-02 13:03:36 by jwe] jwe parents: 1588 diff changeset	2034
795527e9db19 [project @ 1995-11-02 13:03:36 by jwe] jwe parents: 1588 diff changeset	2035 case IMAG_NUM:
795527e9db19 [project @ 1995-11-02 13:03:36 by jwe] jwe parents: 1588 diff changeset	2036 {
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2037 octave_value tmp (Complex (0.0, tok_val->number ()));
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2038 retval = new tree_constant (tmp, l, c);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2039 retval->stash_original_text (tok_val->text_rep ());
1607 795527e9db19 [project @ 1995-11-02 13:03:36 by jwe] jwe parents: 1588 diff changeset	2040 }
795527e9db19 [project @ 1995-11-02 13:03:36 by jwe] jwe parents: 1588 diff changeset	2041 break;
795527e9db19 [project @ 1995-11-02 13:03:36 by jwe] jwe parents: 1588 diff changeset	2042
5279 bd32f770c09a [project @ 2005-04-12 21:55:31 by jwe] jwe parents: 5189 diff changeset	2043 case DQ_STRING:
bd32f770c09a [project @ 2005-04-12 21:55:31 by jwe] jwe parents: 5189 diff changeset	2044 case SQ_STRING:
2883 0b3954110c77 [project @ 1997-04-24 09:57:05 by jwe] jwe parents: 2865 diff changeset	2045 {
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2046 std::string txt = tok_val->text ();
7699 27a5f578750c make_constant: handle escape sequences in dq-strings John W. Eaton <jwe@octave.org> parents: 7690 diff changeset	2047
8150 283989f2da9b make null assignment matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 8064 diff changeset	2048 char delim = op == DQ_STRING ? '"' : '\'';
283989f2da9b make null assignment matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 8064 diff changeset	2049 octave_value tmp (txt, delim);
283989f2da9b make null assignment matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 8064 diff changeset	2050
283989f2da9b make null assignment matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 8064 diff changeset	2051 if (txt.empty ())
283989f2da9b make null assignment matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 8064 diff changeset	2052 {
283989f2da9b make null assignment matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 8064 diff changeset	2053 if (op == DQ_STRING)
283989f2da9b make null assignment matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 8064 diff changeset	2054 tmp = octave_null_str::instance;
283989f2da9b make null assignment matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 8064 diff changeset	2055 else
283989f2da9b make null assignment matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 8064 diff changeset	2056 tmp = octave_null_sq_str::instance;
283989f2da9b make null assignment matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 8064 diff changeset	2057 }
283989f2da9b make null assignment matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 8064 diff changeset	2058
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2059 retval = new tree_constant (tmp, l, c);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2060
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2061 if (op == DQ_STRING)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2062 txt = undo_string_escapes (txt);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2063
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2064 // FIXME -- maybe this should also be handled by
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2065 // tok_val->text_rep () for character strings?
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2066 retval->stash_original_text (delim + txt + delim);
2883 0b3954110c77 [project @ 1997-04-24 09:57:05 by jwe] jwe parents: 2865 diff changeset	2067 }
1607 795527e9db19 [project @ 1995-11-02 13:03:36 by jwe] jwe parents: 1588 diff changeset	2068 break;
795527e9db19 [project @ 1995-11-02 13:03:36 by jwe] jwe parents: 1588 diff changeset	2069
795527e9db19 [project @ 1995-11-02 13:03:36 by jwe] jwe parents: 1588 diff changeset	2070 default:
795527e9db19 [project @ 1995-11-02 13:03:36 by jwe] jwe parents: 1588 diff changeset	2071 panic_impossible ();
795527e9db19 [project @ 1995-11-02 13:03:36 by jwe] jwe parents: 1588 diff changeset	2072 break;
795527e9db19 [project @ 1995-11-02 13:03:36 by jwe] jwe parents: 1588 diff changeset	2073 }
795527e9db19 [project @ 1995-11-02 13:03:36 by jwe] jwe parents: 1588 diff changeset	2074
795527e9db19 [project @ 1995-11-02 13:03:36 by jwe] jwe parents: 1588 diff changeset	2075 return retval;
795527e9db19 [project @ 1995-11-02 13:03:36 by jwe] jwe parents: 1588 diff changeset	2076 }
795527e9db19 [project @ 1995-11-02 13:03:36 by jwe] jwe parents: 1588 diff changeset	2077
4342 813effe14ee1 [project @ 2003-02-20 08:35:55 by jwe] jwe parents: 4318 diff changeset	2078 // Make a function handle.
813effe14ee1 [project @ 2003-02-20 08:35:55 by jwe] jwe parents: 4318 diff changeset	2079
813effe14ee1 [project @ 2003-02-20 08:35:55 by jwe] jwe parents: 4318 diff changeset	2080 static tree_fcn_handle *
813effe14ee1 [project @ 2003-02-20 08:35:55 by jwe] jwe parents: 4318 diff changeset	2081 make_fcn_handle (token *tok_val)
813effe14ee1 [project @ 2003-02-20 08:35:55 by jwe] jwe parents: 4318 diff changeset	2082 {
813effe14ee1 [project @ 2003-02-20 08:35:55 by jwe] jwe parents: 4318 diff changeset	2083 int l = tok_val->line ();
813effe14ee1 [project @ 2003-02-20 08:35:55 by jwe] jwe parents: 4318 diff changeset	2084 int c = tok_val->column ();
813effe14ee1 [project @ 2003-02-20 08:35:55 by jwe] jwe parents: 4318 diff changeset	2085
813effe14ee1 [project @ 2003-02-20 08:35:55 by jwe] jwe parents: 4318 diff changeset	2086 tree_fcn_handle *retval = new tree_fcn_handle (tok_val->text (), l, c);
813effe14ee1 [project @ 2003-02-20 08:35:55 by jwe] jwe parents: 4318 diff changeset	2087
813effe14ee1 [project @ 2003-02-20 08:35:55 by jwe] jwe parents: 4318 diff changeset	2088 return retval;
813effe14ee1 [project @ 2003-02-20 08:35:55 by jwe] jwe parents: 4318 diff changeset	2089 }
813effe14ee1 [project @ 2003-02-20 08:35:55 by jwe] jwe parents: 4318 diff changeset	2090
4935 4fc993a4e072 [project @ 2004-08-06 03:17:12 by jwe] jwe parents: 4930 diff changeset	2091 // Make an anonymous function handle.
4fc993a4e072 [project @ 2004-08-06 03:17:12 by jwe] jwe parents: 4930 diff changeset	2092
5861 2a6cb4ed8f1e [project @ 2006-06-16 05:09:41 by jwe] jwe parents: 5848 diff changeset	2093 static tree_anon_fcn_handle *
4935 4fc993a4e072 [project @ 2004-08-06 03:17:12 by jwe] jwe parents: 4930 diff changeset	2094 make_anon_fcn_handle (tree_parameter_list param_list, tree_statement stmt)
4fc993a4e072 [project @ 2004-08-06 03:17:12 by jwe] jwe parents: 4930 diff changeset	2095 {
5775 ace8d8d26933 [project @ 2006-04-24 19:13:06 by jwe] jwe parents: 5774 diff changeset	2096 // FIXME -- need to get these from the location of the @ symbol.
13125 34a49d076155 Show row/column for anonymous functions in the profiler Daniel Kraft <d@domob.eu> parents: 13029 diff changeset	2097 int l = input_line_number;
34a49d076155 Show row/column for anonymous functions in the profiler Daniel Kraft <d@domob.eu> parents: 13029 diff changeset	2098 int c = current_input_column;
4935 4fc993a4e072 [project @ 2004-08-06 03:17:12 by jwe] jwe parents: 4930 diff changeset	2099
4fc993a4e072 [project @ 2004-08-06 03:17:12 by jwe] jwe parents: 4930 diff changeset	2100 tree_parameter_list *ret_list = 0;
4fc993a4e072 [project @ 2004-08-06 03:17:12 by jwe] jwe parents: 4930 diff changeset	2101
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	2102 symbol_table::scope_id fcn_scope = symbol_table::current_scope ();
5861 2a6cb4ed8f1e [project @ 2006-06-16 05:09:41 by jwe] jwe parents: 5848 diff changeset	2103
2a6cb4ed8f1e [project @ 2006-06-16 05:09:41 by jwe] jwe parents: 5848 diff changeset	2104 if (symtab_context.empty ())
2a6cb4ed8f1e [project @ 2006-06-16 05:09:41 by jwe] jwe parents: 5848 diff changeset	2105 panic_impossible ();
2a6cb4ed8f1e [project @ 2006-06-16 05:09:41 by jwe] jwe parents: 5848 diff changeset	2106
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	2107 symbol_table::set_scope (symtab_context.top ());
5861 2a6cb4ed8f1e [project @ 2006-06-16 05:09:41 by jwe] jwe parents: 5848 diff changeset	2108
2a6cb4ed8f1e [project @ 2006-06-16 05:09:41 by jwe] jwe parents: 5848 diff changeset	2109 symtab_context.pop ();
2a6cb4ed8f1e [project @ 2006-06-16 05:09:41 by jwe] jwe parents: 5848 diff changeset	2110
7351 8470a6b0b769 [project @ 2008-01-07 17:57:24 by jwe] jwe parents: 7336 diff changeset	2111 stmt->set_print_flag (false);
4935 4fc993a4e072 [project @ 2004-08-06 03:17:12 by jwe] jwe parents: 4930 diff changeset	2112
4fc993a4e072 [project @ 2004-08-06 03:17:12 by jwe] jwe parents: 4930 diff changeset	2113 tree_statement_list *body = new tree_statement_list (stmt);
4fc993a4e072 [project @ 2004-08-06 03:17:12 by jwe] jwe parents: 4930 diff changeset	2114
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: 8471 diff changeset	2115 body->mark_as_anon_function_body ();
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: 8471 diff changeset	2116
5861 2a6cb4ed8f1e [project @ 2006-06-16 05:09:41 by jwe] jwe parents: 5848 diff changeset	2117 tree_anon_fcn_handle *retval
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	2118 = new tree_anon_fcn_handle (param_list, ret_list, body, fcn_scope, l, c);
13125 34a49d076155 Show row/column for anonymous functions in the profiler Daniel Kraft <d@domob.eu> parents: 13029 diff changeset	2119 // FIXME: Stash the filename. This does not work and produces
34a49d076155 Show row/column for anonymous functions in the profiler Daniel Kraft <d@domob.eu> parents: 13029 diff changeset	2120 // errors when executed.
34a49d076155 Show row/column for anonymous functions in the profiler Daniel Kraft <d@domob.eu> parents: 13029 diff changeset	2121 //retval->stash_file_name (curr_fcn_file_name);
4935 4fc993a4e072 [project @ 2004-08-06 03:17:12 by jwe] jwe parents: 4930 diff changeset	2122
4fc993a4e072 [project @ 2004-08-06 03:17:12 by jwe] jwe parents: 4930 diff changeset	2123 return retval;
4fc993a4e072 [project @ 2004-08-06 03:17:12 by jwe] jwe parents: 4930 diff changeset	2124 }
4fc993a4e072 [project @ 2004-08-06 03:17:12 by jwe] jwe parents: 4930 diff changeset	2125
5161 3cdcddfab90b [project @ 2005-02-23 16:44:59 by jwe] jwe parents: 5160 diff changeset	2126 static void
3cdcddfab90b [project @ 2005-02-23 16:44:59 by jwe] jwe parents: 5160 diff changeset	2127 maybe_warn_associativity_change (tree_expression *op)
3cdcddfab90b [project @ 2005-02-23 16:44:59 by jwe] jwe parents: 5160 diff changeset	2128 {
5781 faafc2d98b8d [project @ 2006-05-02 19:40:19 by jwe] jwe parents: 5775 diff changeset	2129 if (op->paren_count () == 0 && op->is_binary_expression ())
5161 3cdcddfab90b [project @ 2005-02-23 16:44:59 by jwe] jwe parents: 5160 diff changeset	2130 {
3cdcddfab90b [project @ 2005-02-23 16:44:59 by jwe] jwe parents: 5160 diff changeset	2131 tree_binary_expression *e
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2132 = dynamic_cast<tree_binary_expression *> (op);
5161 3cdcddfab90b [project @ 2005-02-23 16:44:59 by jwe] jwe parents: 5160 diff changeset	2133
3cdcddfab90b [project @ 2005-02-23 16:44:59 by jwe] jwe parents: 5160 diff changeset	2134 octave_value::binary_op op_type = e->op_type ();
3cdcddfab90b [project @ 2005-02-23 16:44:59 by jwe] jwe parents: 5160 diff changeset	2135
3cdcddfab90b [project @ 2005-02-23 16:44:59 by jwe] jwe parents: 5160 diff changeset	2136 if (op_type == octave_value::op_pow
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2137 \|\| op_type == octave_value::op_el_pow)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2138 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2139 std::string op_str = octave_value::binary_op_as_string (op_type);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2140
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2141 if (curr_fcn_file_full_name.empty ())
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2142 warning_with_id
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2143 ("Octave:associativity-change",
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2144 "meaning may have changed due to change in associativity for %s operator",
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2145 op_str.c_str ());
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2146 else
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2147 warning_with_id
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2148 ("Octave:associativity-change",
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2149 "meaning may have changed due to change in associativity for %s operator near line %d, column %d in file `%s'",
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2150 op_str.c_str (), op->line (), op->column (),
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2151 curr_fcn_file_full_name.c_str ());
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2152 }
5161 3cdcddfab90b [project @ 2005-02-23 16:44:59 by jwe] jwe parents: 5160 diff changeset	2153 }
3cdcddfab90b [project @ 2005-02-23 16:44:59 by jwe] jwe parents: 5160 diff changeset	2154 }
3cdcddfab90b [project @ 2005-02-23 16:44:59 by jwe] jwe parents: 5160 diff changeset	2155
666 fb4f6556b443 [project @ 1994-09-06 21:22:46 by jwe] jwe parents: 627 diff changeset	2156 // Build a binary expression.
fb4f6556b443 [project @ 1994-09-06 21:22:46 by jwe] jwe parents: 627 diff changeset	2157
578 d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2158 static tree_expression *
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2159 make_binary_op (int op, tree_expression op1, token tok_val,
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2160 tree_expression *op2)
578 d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2161 {
2883 0b3954110c77 [project @ 1997-04-24 09:57:05 by jwe] jwe parents: 2865 diff changeset	2162 octave_value::binary_op t = octave_value::unknown_binary_op;
1623 fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2163
578 d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2164 switch (op)
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2165 {
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2166 case POW:
3525 6cfa474c5b99 [project @ 2000-02-02 10:48:41 by jwe] jwe parents: 3523 diff changeset	2167 t = octave_value::op_pow;
5161 3cdcddfab90b [project @ 2005-02-23 16:44:59 by jwe] jwe parents: 5160 diff changeset	2168 maybe_warn_associativity_change (op1);
578 d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2169 break;
777 a2f9d3fd720c [project @ 1994-10-07 14:01:53 by jwe] jwe parents: 773 diff changeset	2170
578 d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2171 case EPOW:
3525 6cfa474c5b99 [project @ 2000-02-02 10:48:41 by jwe] jwe parents: 3523 diff changeset	2172 t = octave_value::op_el_pow;
5161 3cdcddfab90b [project @ 2005-02-23 16:44:59 by jwe] jwe parents: 5160 diff changeset	2173 maybe_warn_associativity_change (op1);
578 d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2174 break;
777 a2f9d3fd720c [project @ 1994-10-07 14:01:53 by jwe] jwe parents: 773 diff changeset	2175
578 d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2176 case '+':
3525 6cfa474c5b99 [project @ 2000-02-02 10:48:41 by jwe] jwe parents: 3523 diff changeset	2177 t = octave_value::op_add;
578 d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2178 break;
777 a2f9d3fd720c [project @ 1994-10-07 14:01:53 by jwe] jwe parents: 773 diff changeset	2179
578 d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2180 case '-':
3525 6cfa474c5b99 [project @ 2000-02-02 10:48:41 by jwe] jwe parents: 3523 diff changeset	2181 t = octave_value::op_sub;
578 d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2182 break;
777 a2f9d3fd720c [project @ 1994-10-07 14:01:53 by jwe] jwe parents: 773 diff changeset	2183
578 d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2184 case '*':
3525 6cfa474c5b99 [project @ 2000-02-02 10:48:41 by jwe] jwe parents: 3523 diff changeset	2185 t = octave_value::op_mul;
578 d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2186 break;
777 a2f9d3fd720c [project @ 1994-10-07 14:01:53 by jwe] jwe parents: 773 diff changeset	2187
578 d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2188 case '/':
3525 6cfa474c5b99 [project @ 2000-02-02 10:48:41 by jwe] jwe parents: 3523 diff changeset	2189 t = octave_value::op_div;
578 d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2190 break;
777 a2f9d3fd720c [project @ 1994-10-07 14:01:53 by jwe] jwe parents: 773 diff changeset	2191
578 d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2192 case EMUL:
3525 6cfa474c5b99 [project @ 2000-02-02 10:48:41 by jwe] jwe parents: 3523 diff changeset	2193 t = octave_value::op_el_mul;
578 d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2194 break;
777 a2f9d3fd720c [project @ 1994-10-07 14:01:53 by jwe] jwe parents: 773 diff changeset	2195
578 d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2196 case EDIV:
3525 6cfa474c5b99 [project @ 2000-02-02 10:48:41 by jwe] jwe parents: 3523 diff changeset	2197 t = octave_value::op_el_div;
578 d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2198 break;
777 a2f9d3fd720c [project @ 1994-10-07 14:01:53 by jwe] jwe parents: 773 diff changeset	2199
578 d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2200 case LEFTDIV:
3525 6cfa474c5b99 [project @ 2000-02-02 10:48:41 by jwe] jwe parents: 3523 diff changeset	2201 t = octave_value::op_ldiv;
578 d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2202 break;
777 a2f9d3fd720c [project @ 1994-10-07 14:01:53 by jwe] jwe parents: 773 diff changeset	2203
578 d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2204 case ELEFTDIV:
3525 6cfa474c5b99 [project @ 2000-02-02 10:48:41 by jwe] jwe parents: 3523 diff changeset	2205 t = octave_value::op_el_ldiv;
578 d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2206 break;
777 a2f9d3fd720c [project @ 1994-10-07 14:01:53 by jwe] jwe parents: 773 diff changeset	2207
2899 0d79a8c11a2b [project @ 1997-04-30 03:09:23 by jwe] jwe parents: 2891 diff changeset	2208 case LSHIFT:
3525 6cfa474c5b99 [project @ 2000-02-02 10:48:41 by jwe] jwe parents: 3523 diff changeset	2209 t = octave_value::op_lshift;
2899 0d79a8c11a2b [project @ 1997-04-30 03:09:23 by jwe] jwe parents: 2891 diff changeset	2210 break;
0d79a8c11a2b [project @ 1997-04-30 03:09:23 by jwe] jwe parents: 2891 diff changeset	2211
0d79a8c11a2b [project @ 1997-04-30 03:09:23 by jwe] jwe parents: 2891 diff changeset	2212 case RSHIFT:
3525 6cfa474c5b99 [project @ 2000-02-02 10:48:41 by jwe] jwe parents: 3523 diff changeset	2213 t = octave_value::op_rshift;
2899 0d79a8c11a2b [project @ 1997-04-30 03:09:23 by jwe] jwe parents: 2891 diff changeset	2214 break;
0d79a8c11a2b [project @ 1997-04-30 03:09:23 by jwe] jwe parents: 2891 diff changeset	2215
578 d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2216 case EXPR_LT:
3525 6cfa474c5b99 [project @ 2000-02-02 10:48:41 by jwe] jwe parents: 3523 diff changeset	2217 t = octave_value::op_lt;
578 d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2218 break;
777 a2f9d3fd720c [project @ 1994-10-07 14:01:53 by jwe] jwe parents: 773 diff changeset	2219
578 d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2220 case EXPR_LE:
3525 6cfa474c5b99 [project @ 2000-02-02 10:48:41 by jwe] jwe parents: 3523 diff changeset	2221 t = octave_value::op_le;
578 d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2222 break;
777 a2f9d3fd720c [project @ 1994-10-07 14:01:53 by jwe] jwe parents: 773 diff changeset	2223
578 d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2224 case EXPR_EQ:
3525 6cfa474c5b99 [project @ 2000-02-02 10:48:41 by jwe] jwe parents: 3523 diff changeset	2225 t = octave_value::op_eq;
578 d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2226 break;
777 a2f9d3fd720c [project @ 1994-10-07 14:01:53 by jwe] jwe parents: 773 diff changeset	2227
578 d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2228 case EXPR_GE:
3525 6cfa474c5b99 [project @ 2000-02-02 10:48:41 by jwe] jwe parents: 3523 diff changeset	2229 t = octave_value::op_ge;
578 d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2230 break;
777 a2f9d3fd720c [project @ 1994-10-07 14:01:53 by jwe] jwe parents: 773 diff changeset	2231
578 d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2232 case EXPR_GT:
3525 6cfa474c5b99 [project @ 2000-02-02 10:48:41 by jwe] jwe parents: 3523 diff changeset	2233 t = octave_value::op_gt;
578 d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2234 break;
777 a2f9d3fd720c [project @ 1994-10-07 14:01:53 by jwe] jwe parents: 773 diff changeset	2235
578 d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2236 case EXPR_NE:
3525 6cfa474c5b99 [project @ 2000-02-02 10:48:41 by jwe] jwe parents: 3523 diff changeset	2237 t = octave_value::op_ne;
578 d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2238 break;
777 a2f9d3fd720c [project @ 1994-10-07 14:01:53 by jwe] jwe parents: 773 diff changeset	2239
578 d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2240 case EXPR_AND:
3525 6cfa474c5b99 [project @ 2000-02-02 10:48:41 by jwe] jwe parents: 3523 diff changeset	2241 t = octave_value::op_el_and;
578 d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2242 break;
777 a2f9d3fd720c [project @ 1994-10-07 14:01:53 by jwe] jwe parents: 773 diff changeset	2243
578 d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2244 case EXPR_OR:
3525 6cfa474c5b99 [project @ 2000-02-02 10:48:41 by jwe] jwe parents: 3523 diff changeset	2245 t = octave_value::op_el_or;
5781 faafc2d98b8d [project @ 2006-05-02 19:40:19 by jwe] jwe parents: 5775 diff changeset	2246 if (op2->paren_count () == 0 && op2->is_binary_expression ())
4023 ef3caf27cb9c [project @ 2002-08-07 06:54:41 by jwe] jwe parents: 4018 diff changeset	2247 {
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2248 tree_binary_expression *e
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2249 = dynamic_cast<tree_binary_expression *> (op2);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2250
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2251 if (e->op_type () == octave_value::op_el_and)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2252 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2253 if (curr_fcn_file_full_name.empty ())
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2254 warning_with_id
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2255 ("Octave:precedence-change",
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2256 "meaning may have changed due to change in precedence for & and \| operators");
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2257 else
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2258 warning_with_id
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2259 ("Octave:precedence-change",
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2260 "meaning may have changed due to change in precedence for & and \| operators near line %d, column %d in file `%s'",
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2261 op2->line (), op2->column (),
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2262 curr_fcn_file_full_name.c_str ());
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2263 }
4023 ef3caf27cb9c [project @ 2002-08-07 06:54:41 by jwe] jwe parents: 4018 diff changeset	2264 }
578 d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2265 break;
777 a2f9d3fd720c [project @ 1994-10-07 14:01:53 by jwe] jwe parents: 773 diff changeset	2266
578 d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2267 default:
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2268 panic_impossible ();
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2269 break;
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2270 }
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2271
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2272 int l = tok_val->line ();
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2273 int c = tok_val->column ();
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2274
2533 987e934bbb8c [project @ 1996-11-19 18:21:23 by jwe] jwe parents: 2525 diff changeset	2275 tree_binary_expression *e
7800 5861b95e9879 support for compound operators, implement trans_mul, mul_trans, herm_mul and mul_herm Jaroslav Hajek <highegg@gmail.com> parents: 7787 diff changeset	2276 = maybe_compound_binary_expression (op1, op2, l, c, t);
1623 fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2277
2533 987e934bbb8c [project @ 1996-11-19 18:21:23 by jwe] jwe parents: 2525 diff changeset	2278 return fold (e);
578 d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2279 }
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2280
2375 7ef24992e290 [project @ 1996-10-12 00:39:52 by jwe] jwe parents: 2200 diff changeset	2281 // Build a boolean expression.
666 fb4f6556b443 [project @ 1994-09-06 21:22:46 by jwe] jwe parents: 627 diff changeset	2282
578 d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2283 static tree_expression *
2375 7ef24992e290 [project @ 1996-10-12 00:39:52 by jwe] jwe parents: 2200 diff changeset	2284 make_boolean_op (int op, tree_expression op1, token tok_val,
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2285 tree_expression *op2)
578 d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2286 {
2375 7ef24992e290 [project @ 1996-10-12 00:39:52 by jwe] jwe parents: 2200 diff changeset	2287 tree_boolean_expression::type t;
7ef24992e290 [project @ 1996-10-12 00:39:52 by jwe] jwe parents: 2200 diff changeset	2288
578 d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2289 switch (op)
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2290 {
2375 7ef24992e290 [project @ 1996-10-12 00:39:52 by jwe] jwe parents: 2200 diff changeset	2291 case EXPR_AND_AND:
2805 68e6d0c93fc8 [project @ 1997-03-11 04:52:44 by jwe] jwe parents: 2791 diff changeset	2292 t = tree_boolean_expression::bool_and;
578 d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2293 break;
777 a2f9d3fd720c [project @ 1994-10-07 14:01:53 by jwe] jwe parents: 773 diff changeset	2294
2375 7ef24992e290 [project @ 1996-10-12 00:39:52 by jwe] jwe parents: 2200 diff changeset	2295 case EXPR_OR_OR:
2805 68e6d0c93fc8 [project @ 1997-03-11 04:52:44 by jwe] jwe parents: 2791 diff changeset	2296 t = tree_boolean_expression::bool_or;
5781 faafc2d98b8d [project @ 2006-05-02 19:40:19 by jwe] jwe parents: 5775 diff changeset	2297 if (op2->paren_count () == 0 && op2->is_boolean_expression ())
4023 ef3caf27cb9c [project @ 2002-08-07 06:54:41 by jwe] jwe parents: 4018 diff changeset	2298 {
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2299 tree_boolean_expression *e
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2300 = dynamic_cast<tree_boolean_expression *> (op2);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2301
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2302 if (e->op_type () == tree_boolean_expression::bool_and)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2303 warning_with_id
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2304 ("Octave:precedence-change",
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2305 "meaning may have changed due to change in precedence for && and \|\| operators");
4023 ef3caf27cb9c [project @ 2002-08-07 06:54:41 by jwe] jwe parents: 4018 diff changeset	2306 }
578 d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2307 break;
777 a2f9d3fd720c [project @ 1994-10-07 14:01:53 by jwe] jwe parents: 773 diff changeset	2308
578 d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2309 default:
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2310 panic_impossible ();
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2311 break;
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2312 }
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2313
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2314 int l = tok_val->line ();
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2315 int c = tok_val->column ();
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2316
2533 987e934bbb8c [project @ 1996-11-19 18:21:23 by jwe] jwe parents: 2525 diff changeset	2317 tree_boolean_expression *e
987e934bbb8c [project @ 1996-11-19 18:21:23 by jwe] jwe parents: 2525 diff changeset	2318 = new tree_boolean_expression (op1, op2, l, c, t);
2375 7ef24992e290 [project @ 1996-10-12 00:39:52 by jwe] jwe parents: 2200 diff changeset	2319
2533 987e934bbb8c [project @ 1996-11-19 18:21:23 by jwe] jwe parents: 2525 diff changeset	2320 return fold (e);
578 d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2321 }
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2322
2375 7ef24992e290 [project @ 1996-10-12 00:39:52 by jwe] jwe parents: 2200 diff changeset	2323 // Build a prefix expression.
666 fb4f6556b443 [project @ 1994-09-06 21:22:46 by jwe] jwe parents: 627 diff changeset	2324
578 d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2325 static tree_expression *
2960 194b50e4725b [project @ 1997-05-12 00:43:54 by jwe] jwe parents: 2899 diff changeset	2326 make_prefix_op (int op, tree_expression op1, token tok_val)
578 d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2327 {
3203 bc61b0e8d60e [project @ 1998-10-30 20:26:27 by jwe] jwe parents: 3195 diff changeset	2328 octave_value::unary_op t = octave_value::unknown_unary_op;
2375 7ef24992e290 [project @ 1996-10-12 00:39:52 by jwe] jwe parents: 2200 diff changeset	2329
578 d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2330 switch (op)
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2331 {
2960 194b50e4725b [project @ 1997-05-12 00:43:54 by jwe] jwe parents: 2899 diff changeset	2332 case EXPR_NOT:
3525 6cfa474c5b99 [project @ 2000-02-02 10:48:41 by jwe] jwe parents: 3523 diff changeset	2333 t = octave_value::op_not;
2960 194b50e4725b [project @ 1997-05-12 00:43:54 by jwe] jwe parents: 2899 diff changeset	2334 break;
194b50e4725b [project @ 1997-05-12 00:43:54 by jwe] jwe parents: 2899 diff changeset	2335
4965 c0d8e8afa82f [project @ 2004-09-06 20:19:57 by jwe] jwe parents: 4935 diff changeset	2336 case '+':
c0d8e8afa82f [project @ 2004-09-06 20:19:57 by jwe] jwe parents: 4935 diff changeset	2337 t = octave_value::op_uplus;
c0d8e8afa82f [project @ 2004-09-06 20:19:57 by jwe] jwe parents: 4935 diff changeset	2338 break;
c0d8e8afa82f [project @ 2004-09-06 20:19:57 by jwe] jwe parents: 4935 diff changeset	2339
2960 194b50e4725b [project @ 1997-05-12 00:43:54 by jwe] jwe parents: 2899 diff changeset	2340 case '-':
3525 6cfa474c5b99 [project @ 2000-02-02 10:48:41 by jwe] jwe parents: 3523 diff changeset	2341 t = octave_value::op_uminus;
2960 194b50e4725b [project @ 1997-05-12 00:43:54 by jwe] jwe parents: 2899 diff changeset	2342 break;
194b50e4725b [project @ 1997-05-12 00:43:54 by jwe] jwe parents: 2899 diff changeset	2343
578 d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2344 case PLUS_PLUS:
3525 6cfa474c5b99 [project @ 2000-02-02 10:48:41 by jwe] jwe parents: 3523 diff changeset	2345 t = octave_value::op_incr;
578 d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2346 break;
777 a2f9d3fd720c [project @ 1994-10-07 14:01:53 by jwe] jwe parents: 773 diff changeset	2347
578 d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2348 case MINUS_MINUS:
3525 6cfa474c5b99 [project @ 2000-02-02 10:48:41 by jwe] jwe parents: 3523 diff changeset	2349 t = octave_value::op_decr;
578 d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2350 break;
777 a2f9d3fd720c [project @ 1994-10-07 14:01:53 by jwe] jwe parents: 773 diff changeset	2351
578 d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2352 default:
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2353 panic_impossible ();
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2354 break;
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2355 }
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2356
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2357 int l = tok_val->line ();
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2358 int c = tok_val->column ();
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2359
3292 ad0d250ebd7e [project @ 1999-10-14 22:52:28 by jwe] jwe parents: 3258 diff changeset	2360 tree_prefix_expression *e
ad0d250ebd7e [project @ 1999-10-14 22:52:28 by jwe] jwe parents: 3258 diff changeset	2361 = new tree_prefix_expression (op1, l, c, t);
ad0d250ebd7e [project @ 1999-10-14 22:52:28 by jwe] jwe parents: 3258 diff changeset	2362
ad0d250ebd7e [project @ 1999-10-14 22:52:28 by jwe] jwe parents: 3258 diff changeset	2363 return fold (e);
578 d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2364 }
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2365
2375 7ef24992e290 [project @ 1996-10-12 00:39:52 by jwe] jwe parents: 2200 diff changeset	2366 // Build a postfix expression.
666 fb4f6556b443 [project @ 1994-09-06 21:22:46 by jwe] jwe parents: 627 diff changeset	2367
578 d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2368 static tree_expression *
2960 194b50e4725b [project @ 1997-05-12 00:43:54 by jwe] jwe parents: 2899 diff changeset	2369 make_postfix_op (int op, tree_expression op1, token tok_val)
578 d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2370 {
3203 bc61b0e8d60e [project @ 1998-10-30 20:26:27 by jwe] jwe parents: 3195 diff changeset	2371 octave_value::unary_op t = octave_value::unknown_unary_op;
1623 fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2372
578 d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2373 switch (op)
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2374 {
2960 194b50e4725b [project @ 1997-05-12 00:43:54 by jwe] jwe parents: 2899 diff changeset	2375 case QUOTE:
3525 6cfa474c5b99 [project @ 2000-02-02 10:48:41 by jwe] jwe parents: 3523 diff changeset	2376 t = octave_value::op_hermitian;
2960 194b50e4725b [project @ 1997-05-12 00:43:54 by jwe] jwe parents: 2899 diff changeset	2377 break;
194b50e4725b [project @ 1997-05-12 00:43:54 by jwe] jwe parents: 2899 diff changeset	2378
194b50e4725b [project @ 1997-05-12 00:43:54 by jwe] jwe parents: 2899 diff changeset	2379 case TRANSPOSE:
3525 6cfa474c5b99 [project @ 2000-02-02 10:48:41 by jwe] jwe parents: 3523 diff changeset	2380 t = octave_value::op_transpose;
2960 194b50e4725b [project @ 1997-05-12 00:43:54 by jwe] jwe parents: 2899 diff changeset	2381 break;
194b50e4725b [project @ 1997-05-12 00:43:54 by jwe] jwe parents: 2899 diff changeset	2382
2375 7ef24992e290 [project @ 1996-10-12 00:39:52 by jwe] jwe parents: 2200 diff changeset	2383 case PLUS_PLUS:
3525 6cfa474c5b99 [project @ 2000-02-02 10:48:41 by jwe] jwe parents: 3523 diff changeset	2384 t = octave_value::op_incr;
578 d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2385 break;
777 a2f9d3fd720c [project @ 1994-10-07 14:01:53 by jwe] jwe parents: 773 diff changeset	2386
2375 7ef24992e290 [project @ 1996-10-12 00:39:52 by jwe] jwe parents: 2200 diff changeset	2387 case MINUS_MINUS:
3525 6cfa474c5b99 [project @ 2000-02-02 10:48:41 by jwe] jwe parents: 3523 diff changeset	2388 t = octave_value::op_decr;
578 d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2389 break;
777 a2f9d3fd720c [project @ 1994-10-07 14:01:53 by jwe] jwe parents: 773 diff changeset	2390
578 d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2391 default:
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2392 panic_impossible ();
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2393 break;
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2394 }
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2395
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2396 int l = tok_val->line ();
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2397 int c = tok_val->column ();
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2398
3292 ad0d250ebd7e [project @ 1999-10-14 22:52:28 by jwe] jwe parents: 3258 diff changeset	2399 tree_postfix_expression *e
ad0d250ebd7e [project @ 1999-10-14 22:52:28 by jwe] jwe parents: 3258 diff changeset	2400 = new tree_postfix_expression (op1, l, c, t);
ad0d250ebd7e [project @ 1999-10-14 22:52:28 by jwe] jwe parents: 3258 diff changeset	2401
ad0d250ebd7e [project @ 1999-10-14 22:52:28 by jwe] jwe parents: 3258 diff changeset	2402 return fold (e);
1623 fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2403 }
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2404
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2405 // Build an unwind-protect command.
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2406
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2407 static tree_command *
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2408 make_unwind_command (token unwind_tok, tree_statement_list body,
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2409 tree_statement_list cleanup, token end_tok,
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2410 octave_comment_list lc, octave_comment_list mc)
1623 fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2411 {
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2412 tree_command *retval = 0;
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2413
2857 5448c8cba402 [project @ 1997-03-31 07:06:10 by jwe] jwe parents: 2856 diff changeset	2414 if (end_token_ok (end_tok, token::unwind_protect_end))
1623 fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2415 {
3665 0689afb1d001 [project @ 2000-05-11 19:07:56 by jwe] jwe parents: 3544 diff changeset	2416 octave_comment_list *tc = octave_comment_buffer::get_comment ();
0689afb1d001 [project @ 2000-05-11 19:07:56 by jwe] jwe parents: 3544 diff changeset	2417
1623 fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2418 int l = unwind_tok->line ();
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2419 int c = unwind_tok->column ();
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2420
3665 0689afb1d001 [project @ 2000-05-11 19:07:56 by jwe] jwe parents: 3544 diff changeset	2421 retval = new tree_unwind_protect_command (body, cleanup,
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2422 lc, mc, tc, l, c);
1623 fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2423 }
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2424
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2425 return retval;
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2426 }
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2427
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2428 // Build a try-catch command.
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2429
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2430 static tree_command *
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2431 make_try_command (token try_tok, tree_statement_list body,
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2432 tree_statement_list cleanup, token end_tok,
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2433 octave_comment_list lc, octave_comment_list mc)
1623 fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2434 {
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2435 tree_command *retval = 0;
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2436
2857 5448c8cba402 [project @ 1997-03-31 07:06:10 by jwe] jwe parents: 2856 diff changeset	2437 if (end_token_ok (end_tok, token::try_catch_end))
1623 fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2438 {
3665 0689afb1d001 [project @ 2000-05-11 19:07:56 by jwe] jwe parents: 3544 diff changeset	2439 octave_comment_list *tc = octave_comment_buffer::get_comment ();
0689afb1d001 [project @ 2000-05-11 19:07:56 by jwe] jwe parents: 3544 diff changeset	2440
1623 fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2441 int l = try_tok->line ();
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2442 int c = try_tok->column ();
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2443
3665 0689afb1d001 [project @ 2000-05-11 19:07:56 by jwe] jwe parents: 3544 diff changeset	2444 retval = new tree_try_catch_command (body, cleanup,
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2445 lc, mc, tc, l, c);
1623 fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2446 }
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2447
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2448 return retval;
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2449 }
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2450
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2451 // Build a while command.
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2452
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2453 static tree_command *
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2454 make_while_command (token while_tok, tree_expression expr,
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2455 tree_statement_list body, token end_tok,
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2456 octave_comment_list *lc)
1623 fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2457 {
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2458 tree_command *retval = 0;
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2459
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2460 maybe_warn_assign_as_truth_value (expr);
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2461
2857 5448c8cba402 [project @ 1997-03-31 07:06:10 by jwe] jwe parents: 2856 diff changeset	2462 if (end_token_ok (end_tok, token::while_end))
1623 fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2463 {
3665 0689afb1d001 [project @ 2000-05-11 19:07:56 by jwe] jwe parents: 3544 diff changeset	2464 octave_comment_list *tc = octave_comment_buffer::get_comment ();
0689afb1d001 [project @ 2000-05-11 19:07:56 by jwe] jwe parents: 3544 diff changeset	2465
1826 b14829582cc4 [project @ 1996-02-02 03:05:07 by jwe] jwe parents: 1755 diff changeset	2466 lexer_flags.looping--;
1623 fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2467
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2468 int l = while_tok->line ();
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2469 int c = while_tok->column ();
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2470
3665 0689afb1d001 [project @ 2000-05-11 19:07:56 by jwe] jwe parents: 3544 diff changeset	2471 retval = new tree_while_command (expr, body, lc, tc, l, c);
1623 fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2472 }
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2473
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2474 return retval;
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2475 }
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2476
3484 8b1f46ac2b64 [project @ 2000-01-27 23:30:45 by jwe] jwe parents: 3446 diff changeset	2477 // Build a do-until command.
8b1f46ac2b64 [project @ 2000-01-27 23:30:45 by jwe] jwe parents: 3446 diff changeset	2478
8b1f46ac2b64 [project @ 2000-01-27 23:30:45 by jwe] jwe parents: 3446 diff changeset	2479 static tree_command *
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: 8471 diff changeset	2480 make_do_until_command (token until_tok, tree_statement_list body,
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2481 tree_expression expr, octave_comment_list lc)
3484 8b1f46ac2b64 [project @ 2000-01-27 23:30:45 by jwe] jwe parents: 3446 diff changeset	2482 {
8b1f46ac2b64 [project @ 2000-01-27 23:30:45 by jwe] jwe parents: 3446 diff changeset	2483 tree_command *retval = 0;
8b1f46ac2b64 [project @ 2000-01-27 23:30:45 by jwe] jwe parents: 3446 diff changeset	2484
8b1f46ac2b64 [project @ 2000-01-27 23:30:45 by jwe] jwe parents: 3446 diff changeset	2485 maybe_warn_assign_as_truth_value (expr);
8b1f46ac2b64 [project @ 2000-01-27 23:30:45 by jwe] jwe parents: 3446 diff changeset	2486
3665 0689afb1d001 [project @ 2000-05-11 19:07:56 by jwe] jwe parents: 3544 diff changeset	2487 octave_comment_list *tc = octave_comment_buffer::get_comment ();
0689afb1d001 [project @ 2000-05-11 19:07:56 by jwe] jwe parents: 3544 diff changeset	2488
3484 8b1f46ac2b64 [project @ 2000-01-27 23:30:45 by jwe] jwe parents: 3446 diff changeset	2489 lexer_flags.looping--;
8b1f46ac2b64 [project @ 2000-01-27 23:30:45 by jwe] jwe parents: 3446 diff changeset	2490
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: 8471 diff changeset	2491 int l = until_tok->line ();
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: 8471 diff changeset	2492 int c = until_tok->column ();
3484 8b1f46ac2b64 [project @ 2000-01-27 23:30:45 by jwe] jwe parents: 3446 diff changeset	2493
3665 0689afb1d001 [project @ 2000-05-11 19:07:56 by jwe] jwe parents: 3544 diff changeset	2494 retval = new tree_do_until_command (expr, body, lc, tc, l, c);
3484 8b1f46ac2b64 [project @ 2000-01-27 23:30:45 by jwe] jwe parents: 3446 diff changeset	2495
8b1f46ac2b64 [project @ 2000-01-27 23:30:45 by jwe] jwe parents: 3446 diff changeset	2496 return retval;
8b1f46ac2b64 [project @ 2000-01-27 23:30:45 by jwe] jwe parents: 3446 diff changeset	2497 }
8b1f46ac2b64 [project @ 2000-01-27 23:30:45 by jwe] jwe parents: 3446 diff changeset	2498
1623 fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2499 // Build a for command.
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2500
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2501 static tree_command *
13245 027a2186cd90 parfor keyword and infrastructure, but handle parfor as normal for loop for now John W. Eaton <jwe@octave.org> parents: 13241 diff changeset	2502 make_for_command (int tok_id, token for_tok, tree_argument_list lhs,
027a2186cd90 parfor keyword and infrastructure, but handle parfor as normal for loop for now John W. Eaton <jwe@octave.org> parents: 13241 diff changeset	2503 tree_expression expr, tree_expression maxproc,
027a2186cd90 parfor keyword and infrastructure, but handle parfor as normal for loop for now John W. Eaton <jwe@octave.org> parents: 13241 diff changeset	2504 tree_statement_list body, token end_tok,
027a2186cd90 parfor keyword and infrastructure, but handle parfor as normal for loop for now John W. Eaton <jwe@octave.org> parents: 13241 diff changeset	2505 octave_comment_list *lc)
1623 fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2506 {
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2507 tree_command *retval = 0;
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2508
13245 027a2186cd90 parfor keyword and infrastructure, but handle parfor as normal for loop for now John W. Eaton <jwe@octave.org> parents: 13241 diff changeset	2509 bool parfor = tok_id == PARFOR;
027a2186cd90 parfor keyword and infrastructure, but handle parfor as normal for loop for now John W. Eaton <jwe@octave.org> parents: 13241 diff changeset	2510
027a2186cd90 parfor keyword and infrastructure, but handle parfor as normal for loop for now John W. Eaton <jwe@octave.org> parents: 13241 diff changeset	2511 if (end_token_ok (end_tok, parfor ? token::parfor_end : token::for_end))
1623 fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2512 {
3665 0689afb1d001 [project @ 2000-05-11 19:07:56 by jwe] jwe parents: 3544 diff changeset	2513 octave_comment_list *tc = octave_comment_buffer::get_comment ();
0689afb1d001 [project @ 2000-05-11 19:07:56 by jwe] jwe parents: 3544 diff changeset	2514
1826 b14829582cc4 [project @ 1996-02-02 03:05:07 by jwe] jwe parents: 1755 diff changeset	2515 lexer_flags.looping--;
1623 fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2516
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2517 int l = for_tok->line ();
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2518 int c = for_tok->column ();
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2519
2970 b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	2520 if (lhs->length () == 1)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2521 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2522 tree_expression *tmp = lhs->remove_front ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2523
13245 027a2186cd90 parfor keyword and infrastructure, but handle parfor as normal for loop for now John W. Eaton <jwe@octave.org> parents: 13241 diff changeset	2524 retval = new tree_simple_for_command (parfor, tmp, expr, maxproc,
027a2186cd90 parfor keyword and infrastructure, but handle parfor as normal for loop for now John W. Eaton <jwe@octave.org> parents: 13241 diff changeset	2525 body, lc, tc, l, c);
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2526
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2527 delete lhs;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2528 }
2970 b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	2529 else
13245 027a2186cd90 parfor keyword and infrastructure, but handle parfor as normal for loop for now John W. Eaton <jwe@octave.org> parents: 13241 diff changeset	2530 {
027a2186cd90 parfor keyword and infrastructure, but handle parfor as normal for loop for now John W. Eaton <jwe@octave.org> parents: 13241 diff changeset	2531 if (parfor)
027a2186cd90 parfor keyword and infrastructure, but handle parfor as normal for loop for now John W. Eaton <jwe@octave.org> parents: 13241 diff changeset	2532 yyerror ("invalid syntax for parfor statement");
027a2186cd90 parfor keyword and infrastructure, but handle parfor as normal for loop for now John W. Eaton <jwe@octave.org> parents: 13241 diff changeset	2533 else
027a2186cd90 parfor keyword and infrastructure, but handle parfor as normal for loop for now John W. Eaton <jwe@octave.org> parents: 13241 diff changeset	2534 retval = new tree_complex_for_command (lhs, expr, body,
027a2186cd90 parfor keyword and infrastructure, but handle parfor as normal for loop for now John W. Eaton <jwe@octave.org> parents: 13241 diff changeset	2535 lc, tc, l, c);
027a2186cd90 parfor keyword and infrastructure, but handle parfor as normal for loop for now John W. Eaton <jwe@octave.org> parents: 13241 diff changeset	2536 }
1623 fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2537 }
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2538
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2539 return retval;
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2540 }
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2541
4207 fa3482b34599 [project @ 2002-12-03 18:22:05 by jwe] jwe parents: 4186 diff changeset	2542 // Build a break command.
fa3482b34599 [project @ 2002-12-03 18:22:05 by jwe] jwe parents: 4186 diff changeset	2543
fa3482b34599 [project @ 2002-12-03 18:22:05 by jwe] jwe parents: 4186 diff changeset	2544 static tree_command *
fa3482b34599 [project @ 2002-12-03 18:22:05 by jwe] jwe parents: 4186 diff changeset	2545 make_break_command (token *break_tok)
1623 fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2546 {
4207 fa3482b34599 [project @ 2002-12-03 18:22:05 by jwe] jwe parents: 4186 diff changeset	2547 tree_command *retval = 0;
1623 fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2548
2620 5c773d4745d6 [project @ 1997-01-23 16:26:25 by jwe] jwe parents: 2542 diff changeset	2549 int l = break_tok->line ();
5c773d4745d6 [project @ 1997-01-23 16:26:25 by jwe] jwe parents: 2542 diff changeset	2550 int c = break_tok->column ();
5c773d4745d6 [project @ 1997-01-23 16:26:25 by jwe] jwe parents: 2542 diff changeset	2551
10188 97ae300aa73a improve implementation of break, continue, and return commands John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2552 retval = new tree_break_command (l, c);
1623 fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2553
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2554 return retval;
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2555 }
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2556
4207 fa3482b34599 [project @ 2002-12-03 18:22:05 by jwe] jwe parents: 4186 diff changeset	2557 // Build a continue command.
fa3482b34599 [project @ 2002-12-03 18:22:05 by jwe] jwe parents: 4186 diff changeset	2558
fa3482b34599 [project @ 2002-12-03 18:22:05 by jwe] jwe parents: 4186 diff changeset	2559 static tree_command *
fa3482b34599 [project @ 2002-12-03 18:22:05 by jwe] jwe parents: 4186 diff changeset	2560 make_continue_command (token *continue_tok)
1623 fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2561 {
4207 fa3482b34599 [project @ 2002-12-03 18:22:05 by jwe] jwe parents: 4186 diff changeset	2562 tree_command *retval = 0;
1623 fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2563
2620 5c773d4745d6 [project @ 1997-01-23 16:26:25 by jwe] jwe parents: 2542 diff changeset	2564 int l = continue_tok->line ();
5c773d4745d6 [project @ 1997-01-23 16:26:25 by jwe] jwe parents: 2542 diff changeset	2565 int c = continue_tok->column ();
5c773d4745d6 [project @ 1997-01-23 16:26:25 by jwe] jwe parents: 2542 diff changeset	2566
10188 97ae300aa73a improve implementation of break, continue, and return commands John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2567 retval = new tree_continue_command (l, c);
1623 fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2568
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2569 return retval;
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2570 }
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2571
4207 fa3482b34599 [project @ 2002-12-03 18:22:05 by jwe] jwe parents: 4186 diff changeset	2572 // Build a return command.
fa3482b34599 [project @ 2002-12-03 18:22:05 by jwe] jwe parents: 4186 diff changeset	2573
fa3482b34599 [project @ 2002-12-03 18:22:05 by jwe] jwe parents: 4186 diff changeset	2574 static tree_command *
fa3482b34599 [project @ 2002-12-03 18:22:05 by jwe] jwe parents: 4186 diff changeset	2575 make_return_command (token *return_tok)
1623 fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2576 {
4207 fa3482b34599 [project @ 2002-12-03 18:22:05 by jwe] jwe parents: 4186 diff changeset	2577 tree_command *retval = 0;
1623 fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2578
2620 5c773d4745d6 [project @ 1997-01-23 16:26:25 by jwe] jwe parents: 2542 diff changeset	2579 int l = return_tok->line ();
5c773d4745d6 [project @ 1997-01-23 16:26:25 by jwe] jwe parents: 2542 diff changeset	2580 int c = return_tok->column ();
5c773d4745d6 [project @ 1997-01-23 16:26:25 by jwe] jwe parents: 2542 diff changeset	2581
10188 97ae300aa73a improve implementation of break, continue, and return commands John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2582 retval = new tree_return_command (l, c);
1623 fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2583
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2584 return retval;
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2585 }
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2586
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2587 // Start an if command.
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2588
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2589 static tree_if_command_list *
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2590 start_if_command (tree_expression expr, tree_statement_list list)
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2591 {
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2592 maybe_warn_assign_as_truth_value (expr);
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2593
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2594 tree_if_clause *t = new tree_if_clause (expr, list);
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2595
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2596 return new tree_if_command_list (t);
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2597 }
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2598
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2599 // Finish an if command.
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2600
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2601 static tree_if_command *
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2602 finish_if_command (token if_tok, tree_if_command_list list,
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2603 token end_tok, octave_comment_list lc)
1623 fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2604 {
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2605 tree_if_command *retval = 0;
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2606
2857 5448c8cba402 [project @ 1997-03-31 07:06:10 by jwe] jwe parents: 2856 diff changeset	2607 if (end_token_ok (end_tok, token::if_end))
1623 fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2608 {
3665 0689afb1d001 [project @ 2000-05-11 19:07:56 by jwe] jwe parents: 3544 diff changeset	2609 octave_comment_list *tc = octave_comment_buffer::get_comment ();
0689afb1d001 [project @ 2000-05-11 19:07:56 by jwe] jwe parents: 3544 diff changeset	2610
1623 fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2611 int l = if_tok->line ();
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2612 int c = if_tok->column ();
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2613
8842 be7b30a24938 line/column info for switch and if statements John W. Eaton <jwe@octave.org> parents: 8828 diff changeset	2614 if (list && ! list->empty ())
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2615 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2616 tree_if_clause *elt = list->front ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2617
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2618 if (elt)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2619 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2620 elt->line (l);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2621 elt->column (c);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2622 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2623 }
8842 be7b30a24938 line/column info for switch and if statements John W. Eaton <jwe@octave.org> parents: 8828 diff changeset	2624
3665 0689afb1d001 [project @ 2000-05-11 19:07:56 by jwe] jwe parents: 3544 diff changeset	2625 retval = new tree_if_command (list, lc, tc, l, c);
1623 fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2626 }
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2627
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2628 return retval;
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2629 }
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2630
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2631 // Build an elseif clause.
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2632
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2633 static tree_if_clause *
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: 8471 diff changeset	2634 make_elseif_clause (token elseif_tok, tree_expression expr,
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2635 tree_statement_list list, octave_comment_list lc)
1623 fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2636 {
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2637 maybe_warn_assign_as_truth_value (expr);
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2638
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: 8471 diff changeset	2639 int l = elseif_tok->line ();
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: 8471 diff changeset	2640 int c = elseif_tok->column ();
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: 8471 diff changeset	2641
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: 8471 diff changeset	2642 return new tree_if_clause (expr, list, lc, l, c);
1623 fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2643 }
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2644
2764 2c0f259cf83d [project @ 1997-03-01 02:30:26 by jwe] jwe parents: 2745 diff changeset	2645 // Finish a switch command.
2c0f259cf83d [project @ 1997-03-01 02:30:26 by jwe] jwe parents: 2745 diff changeset	2646
2c0f259cf83d [project @ 1997-03-01 02:30:26 by jwe] jwe parents: 2745 diff changeset	2647 static tree_switch_command *
2c0f259cf83d [project @ 1997-03-01 02:30:26 by jwe] jwe parents: 2745 diff changeset	2648 finish_switch_command (token switch_tok, tree_expression expr,
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2649 tree_switch_case_list list, token end_tok,
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2650 octave_comment_list *lc)
2764 2c0f259cf83d [project @ 1997-03-01 02:30:26 by jwe] jwe parents: 2745 diff changeset	2651 {
2c0f259cf83d [project @ 1997-03-01 02:30:26 by jwe] jwe parents: 2745 diff changeset	2652 tree_switch_command *retval = 0;
2c0f259cf83d [project @ 1997-03-01 02:30:26 by jwe] jwe parents: 2745 diff changeset	2653
2857 5448c8cba402 [project @ 1997-03-31 07:06:10 by jwe] jwe parents: 2856 diff changeset	2654 if (end_token_ok (end_tok, token::switch_end))
2764 2c0f259cf83d [project @ 1997-03-01 02:30:26 by jwe] jwe parents: 2745 diff changeset	2655 {
3665 0689afb1d001 [project @ 2000-05-11 19:07:56 by jwe] jwe parents: 3544 diff changeset	2656 octave_comment_list *tc = octave_comment_buffer::get_comment ();
0689afb1d001 [project @ 2000-05-11 19:07:56 by jwe] jwe parents: 3544 diff changeset	2657
2764 2c0f259cf83d [project @ 1997-03-01 02:30:26 by jwe] jwe parents: 2745 diff changeset	2658 int l = switch_tok->line ();
2c0f259cf83d [project @ 1997-03-01 02:30:26 by jwe] jwe parents: 2745 diff changeset	2659 int c = switch_tok->column ();
2c0f259cf83d [project @ 1997-03-01 02:30:26 by jwe] jwe parents: 2745 diff changeset	2660
8842 be7b30a24938 line/column info for switch and if statements John W. Eaton <jwe@octave.org> parents: 8828 diff changeset	2661 if (list && ! list->empty ())
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2662 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2663 tree_switch_case *elt = list->front ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2664
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2665 if (elt)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2666 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2667 elt->line (l);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2668 elt->column (c);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2669 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2670 }
8842 be7b30a24938 line/column info for switch and if statements John W. Eaton <jwe@octave.org> parents: 8828 diff changeset	2671
3665 0689afb1d001 [project @ 2000-05-11 19:07:56 by jwe] jwe parents: 3544 diff changeset	2672 retval = new tree_switch_command (expr, list, lc, tc, l, c);
2764 2c0f259cf83d [project @ 1997-03-01 02:30:26 by jwe] jwe parents: 2745 diff changeset	2673 }
2c0f259cf83d [project @ 1997-03-01 02:30:26 by jwe] jwe parents: 2745 diff changeset	2674
2c0f259cf83d [project @ 1997-03-01 02:30:26 by jwe] jwe parents: 2745 diff changeset	2675 return retval;
2c0f259cf83d [project @ 1997-03-01 02:30:26 by jwe] jwe parents: 2745 diff changeset	2676 }
2c0f259cf83d [project @ 1997-03-01 02:30:26 by jwe] jwe parents: 2745 diff changeset	2677
2c0f259cf83d [project @ 1997-03-01 02:30:26 by jwe] jwe parents: 2745 diff changeset	2678 // Build a switch case.
2c0f259cf83d [project @ 1997-03-01 02:30:26 by jwe] jwe parents: 2745 diff changeset	2679
2c0f259cf83d [project @ 1997-03-01 02:30:26 by jwe] jwe parents: 2745 diff changeset	2680 static tree_switch_case *
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: 8471 diff changeset	2681 make_switch_case (token case_tok, tree_expression expr,
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2682 tree_statement_list list, octave_comment_list lc)
2764 2c0f259cf83d [project @ 1997-03-01 02:30:26 by jwe] jwe parents: 2745 diff changeset	2683 {
2c0f259cf83d [project @ 1997-03-01 02:30:26 by jwe] jwe parents: 2745 diff changeset	2684 maybe_warn_variable_switch_label (expr);
2c0f259cf83d [project @ 1997-03-01 02:30:26 by jwe] jwe parents: 2745 diff changeset	2685
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: 8471 diff changeset	2686 int l = case_tok->line ();
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: 8471 diff changeset	2687 int c = case_tok->column ();
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: 8471 diff changeset	2688
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: 8471 diff changeset	2689 return new tree_switch_case (expr, list, lc, l, c);
2764 2c0f259cf83d [project @ 1997-03-01 02:30:26 by jwe] jwe parents: 2745 diff changeset	2690 }
2c0f259cf83d [project @ 1997-03-01 02:30:26 by jwe] jwe parents: 2745 diff changeset	2691
1623 fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2692 // Build an assignment to a variable.
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2693
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2694 static tree_expression *
2970 b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	2695 make_assign_op (int op, tree_argument_list lhs, token eq_tok,
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2696 tree_expression *rhs)
1623 fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2697 {
2970 b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	2698 tree_expression *retval = 0;
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	2699
2883 0b3954110c77 [project @ 1997-04-24 09:57:05 by jwe] jwe parents: 2865 diff changeset	2700 octave_value::assign_op t = octave_value::unknown_assign_op;
0b3954110c77 [project @ 1997-04-24 09:57:05 by jwe] jwe parents: 2865 diff changeset	2701
0b3954110c77 [project @ 1997-04-24 09:57:05 by jwe] jwe parents: 2865 diff changeset	2702 switch (op)
0b3954110c77 [project @ 1997-04-24 09:57:05 by jwe] jwe parents: 2865 diff changeset	2703 {
0b3954110c77 [project @ 1997-04-24 09:57:05 by jwe] jwe parents: 2865 diff changeset	2704 case '=':
3525 6cfa474c5b99 [project @ 2000-02-02 10:48:41 by jwe] jwe parents: 3523 diff changeset	2705 t = octave_value::op_asn_eq;
2883 0b3954110c77 [project @ 1997-04-24 09:57:05 by jwe] jwe parents: 2865 diff changeset	2706 break;
0b3954110c77 [project @ 1997-04-24 09:57:05 by jwe] jwe parents: 2865 diff changeset	2707
0b3954110c77 [project @ 1997-04-24 09:57:05 by jwe] jwe parents: 2865 diff changeset	2708 case ADD_EQ:
3525 6cfa474c5b99 [project @ 2000-02-02 10:48:41 by jwe] jwe parents: 3523 diff changeset	2709 t = octave_value::op_add_eq;
2883 0b3954110c77 [project @ 1997-04-24 09:57:05 by jwe] jwe parents: 2865 diff changeset	2710 break;
0b3954110c77 [project @ 1997-04-24 09:57:05 by jwe] jwe parents: 2865 diff changeset	2711
0b3954110c77 [project @ 1997-04-24 09:57:05 by jwe] jwe parents: 2865 diff changeset	2712 case SUB_EQ:
3525 6cfa474c5b99 [project @ 2000-02-02 10:48:41 by jwe] jwe parents: 3523 diff changeset	2713 t = octave_value::op_sub_eq;
2883 0b3954110c77 [project @ 1997-04-24 09:57:05 by jwe] jwe parents: 2865 diff changeset	2714 break;
0b3954110c77 [project @ 1997-04-24 09:57:05 by jwe] jwe parents: 2865 diff changeset	2715
0b3954110c77 [project @ 1997-04-24 09:57:05 by jwe] jwe parents: 2865 diff changeset	2716 case MUL_EQ:
3525 6cfa474c5b99 [project @ 2000-02-02 10:48:41 by jwe] jwe parents: 3523 diff changeset	2717 t = octave_value::op_mul_eq;
2883 0b3954110c77 [project @ 1997-04-24 09:57:05 by jwe] jwe parents: 2865 diff changeset	2718 break;
0b3954110c77 [project @ 1997-04-24 09:57:05 by jwe] jwe parents: 2865 diff changeset	2719
0b3954110c77 [project @ 1997-04-24 09:57:05 by jwe] jwe parents: 2865 diff changeset	2720 case DIV_EQ:
3525 6cfa474c5b99 [project @ 2000-02-02 10:48:41 by jwe] jwe parents: 3523 diff changeset	2721 t = octave_value::op_div_eq;
2883 0b3954110c77 [project @ 1997-04-24 09:57:05 by jwe] jwe parents: 2865 diff changeset	2722 break;
0b3954110c77 [project @ 1997-04-24 09:57:05 by jwe] jwe parents: 2865 diff changeset	2723
3204 81738e630f57 [project @ 1998-10-30 23:28:29 by jwe] jwe parents: 3203 diff changeset	2724 case LEFTDIV_EQ:
3525 6cfa474c5b99 [project @ 2000-02-02 10:48:41 by jwe] jwe parents: 3523 diff changeset	2725 t = octave_value::op_ldiv_eq;
3204 81738e630f57 [project @ 1998-10-30 23:28:29 by jwe] jwe parents: 3203 diff changeset	2726 break;
81738e630f57 [project @ 1998-10-30 23:28:29 by jwe] jwe parents: 3203 diff changeset	2727
4018 a8621d87fbf5 [project @ 2002-08-05 03:17:25 by jwe] jwe parents: 4009 diff changeset	2728 case POW_EQ:
a8621d87fbf5 [project @ 2002-08-05 03:17:25 by jwe] jwe parents: 4009 diff changeset	2729 t = octave_value::op_pow_eq;
a8621d87fbf5 [project @ 2002-08-05 03:17:25 by jwe] jwe parents: 4009 diff changeset	2730 break;
a8621d87fbf5 [project @ 2002-08-05 03:17:25 by jwe] jwe parents: 4009 diff changeset	2731
2899 0d79a8c11a2b [project @ 1997-04-30 03:09:23 by jwe] jwe parents: 2891 diff changeset	2732 case LSHIFT_EQ:
3525 6cfa474c5b99 [project @ 2000-02-02 10:48:41 by jwe] jwe parents: 3523 diff changeset	2733 t = octave_value::op_lshift_eq;
2899 0d79a8c11a2b [project @ 1997-04-30 03:09:23 by jwe] jwe parents: 2891 diff changeset	2734 break;
0d79a8c11a2b [project @ 1997-04-30 03:09:23 by jwe] jwe parents: 2891 diff changeset	2735
0d79a8c11a2b [project @ 1997-04-30 03:09:23 by jwe] jwe parents: 2891 diff changeset	2736 case RSHIFT_EQ:
3525 6cfa474c5b99 [project @ 2000-02-02 10:48:41 by jwe] jwe parents: 3523 diff changeset	2737 t = octave_value::op_rshift_eq;
2899 0d79a8c11a2b [project @ 1997-04-30 03:09:23 by jwe] jwe parents: 2891 diff changeset	2738 break;
0d79a8c11a2b [project @ 1997-04-30 03:09:23 by jwe] jwe parents: 2891 diff changeset	2739
2883 0b3954110c77 [project @ 1997-04-24 09:57:05 by jwe] jwe parents: 2865 diff changeset	2740 case EMUL_EQ:
3525 6cfa474c5b99 [project @ 2000-02-02 10:48:41 by jwe] jwe parents: 3523 diff changeset	2741 t = octave_value::op_el_mul_eq;
2883 0b3954110c77 [project @ 1997-04-24 09:57:05 by jwe] jwe parents: 2865 diff changeset	2742 break;
0b3954110c77 [project @ 1997-04-24 09:57:05 by jwe] jwe parents: 2865 diff changeset	2743
0b3954110c77 [project @ 1997-04-24 09:57:05 by jwe] jwe parents: 2865 diff changeset	2744 case EDIV_EQ:
3525 6cfa474c5b99 [project @ 2000-02-02 10:48:41 by jwe] jwe parents: 3523 diff changeset	2745 t = octave_value::op_el_div_eq;
2883 0b3954110c77 [project @ 1997-04-24 09:57:05 by jwe] jwe parents: 2865 diff changeset	2746 break;
0b3954110c77 [project @ 1997-04-24 09:57:05 by jwe] jwe parents: 2865 diff changeset	2747
3204 81738e630f57 [project @ 1998-10-30 23:28:29 by jwe] jwe parents: 3203 diff changeset	2748 case ELEFTDIV_EQ:
3525 6cfa474c5b99 [project @ 2000-02-02 10:48:41 by jwe] jwe parents: 3523 diff changeset	2749 t = octave_value::op_el_ldiv_eq;
3204 81738e630f57 [project @ 1998-10-30 23:28:29 by jwe] jwe parents: 3203 diff changeset	2750 break;
81738e630f57 [project @ 1998-10-30 23:28:29 by jwe] jwe parents: 3203 diff changeset	2751
4018 a8621d87fbf5 [project @ 2002-08-05 03:17:25 by jwe] jwe parents: 4009 diff changeset	2752 case EPOW_EQ:
a8621d87fbf5 [project @ 2002-08-05 03:17:25 by jwe] jwe parents: 4009 diff changeset	2753 t = octave_value::op_el_pow_eq;
a8621d87fbf5 [project @ 2002-08-05 03:17:25 by jwe] jwe parents: 4009 diff changeset	2754 break;
a8621d87fbf5 [project @ 2002-08-05 03:17:25 by jwe] jwe parents: 4009 diff changeset	2755
2883 0b3954110c77 [project @ 1997-04-24 09:57:05 by jwe] jwe parents: 2865 diff changeset	2756 case AND_EQ:
3525 6cfa474c5b99 [project @ 2000-02-02 10:48:41 by jwe] jwe parents: 3523 diff changeset	2757 t = octave_value::op_el_and_eq;
2883 0b3954110c77 [project @ 1997-04-24 09:57:05 by jwe] jwe parents: 2865 diff changeset	2758 break;
0b3954110c77 [project @ 1997-04-24 09:57:05 by jwe] jwe parents: 2865 diff changeset	2759
0b3954110c77 [project @ 1997-04-24 09:57:05 by jwe] jwe parents: 2865 diff changeset	2760 case OR_EQ:
3525 6cfa474c5b99 [project @ 2000-02-02 10:48:41 by jwe] jwe parents: 3523 diff changeset	2761 t = octave_value::op_el_or_eq;
2883 0b3954110c77 [project @ 1997-04-24 09:57:05 by jwe] jwe parents: 2865 diff changeset	2762 break;
0b3954110c77 [project @ 1997-04-24 09:57:05 by jwe] jwe parents: 2865 diff changeset	2763
0b3954110c77 [project @ 1997-04-24 09:57:05 by jwe] jwe parents: 2865 diff changeset	2764 default:
0b3954110c77 [project @ 1997-04-24 09:57:05 by jwe] jwe parents: 2865 diff changeset	2765 panic_impossible ();
0b3954110c77 [project @ 1997-04-24 09:57:05 by jwe] jwe parents: 2865 diff changeset	2766 break;
0b3954110c77 [project @ 1997-04-24 09:57:05 by jwe] jwe parents: 2865 diff changeset	2767 }
0b3954110c77 [project @ 1997-04-24 09:57:05 by jwe] jwe parents: 2865 diff changeset	2768
1623 fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2769 int l = eq_tok->line ();
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2770 int c = eq_tok->column ();
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2771
5841 fb4dea2184bf [project @ 2006-06-05 20:59:25 by jwe] jwe parents: 5832 diff changeset	2772 if (lhs->is_simple_assign_lhs ())
666 fb4f6556b443 [project @ 1994-09-06 21:22:46 by jwe] jwe parents: 627 diff changeset	2773 {
2970 b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	2774 tree_expression *tmp = lhs->remove_front ();
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	2775
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	2776 retval = new tree_simple_assignment (tmp, rhs, false, l, c, t);
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	2777
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	2778 delete lhs;
666 fb4f6556b443 [project @ 1994-09-06 21:22:46 by jwe] jwe parents: 627 diff changeset	2779 }
10230 0a5a769b8fc0 disallow computed multiple assignment Jaroslav Hajek <highegg@gmail.com> parents: 10207 diff changeset	2780 else if (t == octave_value::op_asn_eq)
0a5a769b8fc0 disallow computed multiple assignment Jaroslav Hajek <highegg@gmail.com> parents: 10207 diff changeset	2781 return new tree_multi_assignment (lhs, rhs, false, l, c);
666 fb4f6556b443 [project @ 1994-09-06 21:22:46 by jwe] jwe parents: 627 diff changeset	2782 else
10230 0a5a769b8fc0 disallow computed multiple assignment Jaroslav Hajek <highegg@gmail.com> parents: 10207 diff changeset	2783 yyerror ("computed multiple assignment not allowed");
666 fb4f6556b443 [project @ 1994-09-06 21:22:46 by jwe] jwe parents: 627 diff changeset	2784
fb4f6556b443 [project @ 1994-09-06 21:22:46 by jwe] jwe parents: 627 diff changeset	2785 return retval;
fb4f6556b443 [project @ 1994-09-06 21:22:46 by jwe] jwe parents: 627 diff changeset	2786 }
751 c9f3cb77478d [project @ 1994-09-30 18:46:17 by jwe] jwe parents: 723 diff changeset	2787
9474 25ed2d6aacf6 Parse nested functions more accurately. David Grundberg <individ@acc.umu.se> parents: 9471 diff changeset	2788 // Define a script.
7715 5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7699 diff changeset	2789
5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7699 diff changeset	2790 static void
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: 8471 diff changeset	2791 make_script (tree_statement_list cmds, tree_statement end_script)
7715 5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7699 diff changeset	2792 {
5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7699 diff changeset	2793 std::string doc_string;
5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7699 diff changeset	2794
5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7699 diff changeset	2795 if (! help_buf.empty ())
5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7699 diff changeset	2796 {
5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7699 diff changeset	2797 doc_string = help_buf.top ();
5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7699 diff changeset	2798 help_buf.pop ();
5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7699 diff changeset	2799 }
5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7699 diff changeset	2800
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: 8471 diff changeset	2801 if (! cmds)
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: 8471 diff changeset	2802 cmds = new tree_statement_list ();
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: 8471 diff changeset	2803
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: 8471 diff changeset	2804 cmds->append (end_script);
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: 8471 diff changeset	2805
7715 5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7699 diff changeset	2806 octave_user_script *script
5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7699 diff changeset	2807 = new octave_user_script (curr_fcn_file_full_name, curr_fcn_file_name,
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2808 cmds, doc_string);
7715 5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7699 diff changeset	2809
5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7699 diff changeset	2810 octave_time now;
5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7699 diff changeset	2811
5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7699 diff changeset	2812 script->stash_fcn_file_time (now);
5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7699 diff changeset	2813
9474 25ed2d6aacf6 Parse nested functions more accurately. David Grundberg <individ@acc.umu.se> parents: 9471 diff changeset	2814 primary_fcn_ptr = script;
8881 8ed42c679af5 after defining a script or function, clear local variables created for parsing John W. Eaton <jwe@octave.org> parents: 8842 diff changeset	2815
9009 da58ec8f62e8 tag bug don't define forced variables John W. Eaton <jwe@octave.org> parents: 8974 diff changeset	2816 // Unmark any symbols that may have been tagged as local variables
da58ec8f62e8 tag bug don't define forced variables John W. Eaton <jwe@octave.org> parents: 8974 diff changeset	2817 // while parsing (for example, by force_local_variable in lex.l).
da58ec8f62e8 tag bug don't define forced variables John W. Eaton <jwe@octave.org> parents: 8974 diff changeset	2818
da58ec8f62e8 tag bug don't define forced variables John W. Eaton <jwe@octave.org> parents: 8974 diff changeset	2819 symbol_table::unmark_forced_variables ();
7715 5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7699 diff changeset	2820 }
5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7699 diff changeset	2821
1623 fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2822 // Begin defining a function.
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2823
2891 1a30f46e1870 [project @ 1997-04-28 01:49:00 by jwe] jwe parents: 2884 diff changeset	2824 static octave_user_function *
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: 8471 diff changeset	2825 start_function (tree_parameter_list param_list, tree_statement_list body,
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2826 tree_statement *end_fcn_stmt)
1623 fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2827 {
2891 1a30f46e1870 [project @ 1997-04-28 01:49:00 by jwe] jwe parents: 2884 diff changeset	2828 // We'll fill in the return list later.
1a30f46e1870 [project @ 1997-04-28 01:49:00 by jwe] jwe parents: 2884 diff changeset	2829
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: 8471 diff changeset	2830 if (! body)
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: 8471 diff changeset	2831 body = new tree_statement_list ();
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: 8471 diff changeset	2832
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: 8471 diff changeset	2833 body->append (end_fcn_stmt);
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: 8471 diff changeset	2834
2891 1a30f46e1870 [project @ 1997-04-28 01:49:00 by jwe] jwe parents: 2884 diff changeset	2835 octave_user_function *fcn
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	2836 = new octave_user_function (symbol_table::current_scope (),
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2837 param_list, 0, body);
1623 fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2838
3665 0689afb1d001 [project @ 2000-05-11 19:07:56 by jwe] jwe parents: 3544 diff changeset	2839 if (fcn)
0689afb1d001 [project @ 2000-05-11 19:07:56 by jwe] jwe parents: 3544 diff changeset	2840 {
0689afb1d001 [project @ 2000-05-11 19:07:56 by jwe] jwe parents: 3544 diff changeset	2841 octave_comment_list *tc = octave_comment_buffer::get_comment ();
0689afb1d001 [project @ 2000-05-11 19:07:56 by jwe] jwe parents: 3544 diff changeset	2842
0689afb1d001 [project @ 2000-05-11 19:07:56 by jwe] jwe parents: 3544 diff changeset	2843 fcn->stash_trailing_comment (tc);
0689afb1d001 [project @ 2000-05-11 19:07:56 by jwe] jwe parents: 3544 diff changeset	2844 }
0689afb1d001 [project @ 2000-05-11 19:07:56 by jwe] jwe parents: 3544 diff changeset	2845
1623 fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2846 return fcn;
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2847 }
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2848
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: 8471 diff changeset	2849 static tree_statement *
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: 8471 diff changeset	2850 make_end (const std::string& type, int l, int c)
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: 8471 diff changeset	2851 {
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: 8471 diff changeset	2852 return make_statement (new tree_no_op_command (type, l, c));
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: 8471 diff changeset	2853 }
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: 8471 diff changeset	2854
1623 fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2855 // Do most of the work for defining a function.
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2856
2891 1a30f46e1870 [project @ 1997-04-28 01:49:00 by jwe] jwe parents: 2884 diff changeset	2857 static octave_user_function *
4872 fe71c458f438 [project @ 2004-04-21 20:09:32 by jwe] jwe parents: 4844 diff changeset	2858 frob_function (const std::string& fname, octave_user_function *fcn)
1623 fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2859 {
4872 fe71c458f438 [project @ 2004-04-21 20:09:32 by jwe] jwe parents: 4844 diff changeset	2860 std::string id_name = fname;
1623 fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2861
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2862 // If input is coming from a file, issue a warning if the name of
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2863 // the file does not match the name of the function stated in the
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2864 // file. Matlab doesn't provide a diagnostic (it ignores the stated
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2865 // name).
9474 25ed2d6aacf6 Parse nested functions more accurately. David Grundberg <individ@acc.umu.se> parents: 9471 diff changeset	2866 if (! autoloading && reading_fcn_file
25ed2d6aacf6 Parse nested functions more accurately. David Grundberg <individ@acc.umu.se> parents: 9471 diff changeset	2867 && (current_function_depth == 1
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2868 && ! (parsing_subfunctions \|\| lexer_flags.parsing_class_method)))
9474 25ed2d6aacf6 Parse nested functions more accurately. David Grundberg <individ@acc.umu.se> parents: 9471 diff changeset	2869 {
25ed2d6aacf6 Parse nested functions more accurately. David Grundberg <individ@acc.umu.se> parents: 9471 diff changeset	2870 // FIXME -- should curr_fcn_file_name already be
25ed2d6aacf6 Parse nested functions more accurately. David Grundberg <individ@acc.umu.se> parents: 9471 diff changeset	2871 // preprocessed when we get here? It seems to only be a
25ed2d6aacf6 Parse nested functions more accurately. David Grundberg <individ@acc.umu.se> parents: 9471 diff changeset	2872 // problem with relative file names.
25ed2d6aacf6 Parse nested functions more accurately. David Grundberg <individ@acc.umu.se> parents: 9471 diff changeset	2873
25ed2d6aacf6 Parse nested functions more accurately. David Grundberg <individ@acc.umu.se> parents: 9471 diff changeset	2874 std::string nm = curr_fcn_file_name;
25ed2d6aacf6 Parse nested functions more accurately. David Grundberg <individ@acc.umu.se> parents: 9471 diff changeset	2875
25ed2d6aacf6 Parse nested functions more accurately. David Grundberg <individ@acc.umu.se> parents: 9471 diff changeset	2876 size_t pos = nm.find_last_of (file_ops::dir_sep_chars ());
25ed2d6aacf6 Parse nested functions more accurately. David Grundberg <individ@acc.umu.se> parents: 9471 diff changeset	2877
25ed2d6aacf6 Parse nested functions more accurately. David Grundberg <individ@acc.umu.se> parents: 9471 diff changeset	2878 if (pos != std::string::npos)
25ed2d6aacf6 Parse nested functions more accurately. David Grundberg <individ@acc.umu.se> parents: 9471 diff changeset	2879 nm = curr_fcn_file_name.substr (pos+1);
25ed2d6aacf6 Parse nested functions more accurately. David Grundberg <individ@acc.umu.se> parents: 9471 diff changeset	2880
25ed2d6aacf6 Parse nested functions more accurately. David Grundberg <individ@acc.umu.se> parents: 9471 diff changeset	2881 if (nm != id_name)
25ed2d6aacf6 Parse nested functions more accurately. David Grundberg <individ@acc.umu.se> parents: 9471 diff changeset	2882 {
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2883 warning_with_id
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2884 ("Octave:function-name-clash",
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2885 "function name `%s' does not agree with function file name `%s'",
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2886 id_name.c_str (), curr_fcn_file_full_name.c_str ());
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2887
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2888 id_name = nm;
9474 25ed2d6aacf6 Parse nested functions more accurately. David Grundberg <individ@acc.umu.se> parents: 9471 diff changeset	2889 }
25ed2d6aacf6 Parse nested functions more accurately. David Grundberg <individ@acc.umu.se> parents: 9471 diff changeset	2890 }
1623 fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2891
9476 d9b25c5b8ee5 handle classdef syntax in lexer and parser Ryan Rusaw parents: 9474 diff changeset	2892 if (reading_fcn_file \|\| reading_classdef_file \|\| autoloading)
1623 fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2893 {
3712 7066a8065e7e [project @ 2000-08-22 06:21:20 by jwe] jwe parents: 3665 diff changeset	2894 octave_time now;
3162 7c96e85c76db [project @ 1998-04-08 18:19:35 by jwe] jwe parents: 3156 diff changeset	2895
4343 db5e0814277a [project @ 2003-02-20 16:44:16 by jwe] jwe parents: 4342 diff changeset	2896 fcn->stash_fcn_file_name (curr_fcn_file_full_name);
3162 7c96e85c76db [project @ 1998-04-08 18:19:35 by jwe] jwe parents: 3156 diff changeset	2897 fcn->stash_fcn_file_time (now);
1623 fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2898 fcn->mark_as_system_fcn_file ();
3162 7c96e85c76db [project @ 1998-04-08 18:19:35 by jwe] jwe parents: 3156 diff changeset	2899
6323 ea65de49e18e [project @ 2007-02-17 02:51:02 by jwe] jwe parents: 6238 diff changeset	2900 if (fcn_file_from_relative_lookup)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2901 fcn->mark_relative ();
6323 ea65de49e18e [project @ 2007-02-17 02:51:02 by jwe] jwe parents: 6238 diff changeset	2902
9474 25ed2d6aacf6 Parse nested functions more accurately. David Grundberg <individ@acc.umu.se> parents: 9471 diff changeset	2903 if (current_function_depth > 1 \|\| parsing_subfunctions)
7968 0d607e8dbbfa eliminate curr_parent_function; fix subfunction lookup John W. Eaton <jwe@octave.org> parents: 7903 diff changeset	2904 {
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2905 fcn->stash_parent_fcn_name (curr_fcn_file_name);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2906 fcn->stash_parent_fcn_scope (primary_fcn_scope);
9474 25ed2d6aacf6 Parse nested functions more accurately. David Grundberg <individ@acc.umu.se> parents: 9471 diff changeset	2907 }
6323 ea65de49e18e [project @ 2007-02-17 02:51:02 by jwe] jwe parents: 6238 diff changeset	2908
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	2909 if (lexer_flags.parsing_class_method)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2910 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2911 if (current_class_name == id_name)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2912 fcn->mark_as_class_constructor ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2913 else
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2914 fcn->mark_as_class_method ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2915
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2916 fcn->stash_dispatch_class (current_class_name);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2917 }
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	2918
5781 faafc2d98b8d [project @ 2006-05-02 19:40:19 by jwe] jwe parents: 5775 diff changeset	2919 std::string nm = fcn->fcn_file_name ();
faafc2d98b8d [project @ 2006-05-02 19:40:19 by jwe] jwe parents: 5775 diff changeset	2920
faafc2d98b8d [project @ 2006-05-02 19:40:19 by jwe] jwe parents: 5775 diff changeset	2921 file_stat fs (nm);
faafc2d98b8d [project @ 2006-05-02 19:40:19 by jwe] jwe parents: 5775 diff changeset	2922
faafc2d98b8d [project @ 2006-05-02 19:40:19 by jwe] jwe parents: 5775 diff changeset	2923 if (fs && fs.is_newer (now))
faafc2d98b8d [project @ 2006-05-02 19:40:19 by jwe] jwe parents: 5775 diff changeset	2924 warning_with_id ("Octave:future-time-stamp",
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2925 "time stamp for `%s' is in the future", nm.c_str ());
1623 fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2926 }
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2927 else if (! (input_from_tmp_history_file \|\| input_from_startup_file)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2928 && reading_script_file
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2929 && curr_fcn_file_name == id_name)
1623 fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2930 {
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2931 warning ("function `%s' defined within script file `%s'",
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2932 id_name.c_str (), curr_fcn_file_full_name.c_str ());
1623 fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2933 }
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2934
4872 fe71c458f438 [project @ 2004-04-21 20:09:32 by jwe] jwe parents: 4844 diff changeset	2935 fcn->stash_function_name (id_name);
12783 ad9263d965dc First experimental profiler implementation with flat profile. Daniel Kraft <d@domob.eu> parents: 12729 diff changeset	2936 fcn->stash_fcn_location (input_line_number, current_input_column);
4872 fe71c458f438 [project @ 2004-04-21 20:09:32 by jwe] jwe parents: 4844 diff changeset	2937
9474 25ed2d6aacf6 Parse nested functions more accurately. David Grundberg <individ@acc.umu.se> parents: 9471 diff changeset	2938 if (! help_buf.empty () && current_function_depth == 1
25ed2d6aacf6 Parse nested functions more accurately. David Grundberg <individ@acc.umu.se> parents: 9471 diff changeset	2939 && ! parsing_subfunctions)
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	2940 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	2941 fcn->document (help_buf.top ());
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	2942
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	2943 help_buf.pop ();
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	2944 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	2945
9474 25ed2d6aacf6 Parse nested functions more accurately. David Grundberg <individ@acc.umu.se> parents: 9471 diff changeset	2946 if (reading_fcn_file && current_function_depth == 1
25ed2d6aacf6 Parse nested functions more accurately. David Grundberg <individ@acc.umu.se> parents: 9471 diff changeset	2947 && ! parsing_subfunctions)
25ed2d6aacf6 Parse nested functions more accurately. David Grundberg <individ@acc.umu.se> parents: 9471 diff changeset	2948 primary_fcn_ptr = fcn;
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11572 diff changeset	2949
1623 fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2950 return fcn;
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2951 }
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2952
7715 5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7699 diff changeset	2953 static tree_function_def *
3665 0689afb1d001 [project @ 2000-05-11 19:07:56 by jwe] jwe parents: 3544 diff changeset	2954 finish_function (tree_parameter_list *ret_list,
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2955 octave_user_function fcn, octave_comment_list lc)
1623 fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2956 {
7715 5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7699 diff changeset	2957 tree_function_def *retval = 0;
5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7699 diff changeset	2958
5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7699 diff changeset	2959 if (ret_list)
5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7699 diff changeset	2960 ret_list->mark_as_formal_parameters ();
5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7699 diff changeset	2961
5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7699 diff changeset	2962 if (fcn)
5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7699 diff changeset	2963 {
7761 5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7755 diff changeset	2964 std::string nm = fcn->name ();
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7755 diff changeset	2965 std::string file = fcn->fcn_file_name ();
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7755 diff changeset	2966
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7755 diff changeset	2967 std::string tmp = nm;
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7755 diff changeset	2968 if (! file.empty ())
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2969 tmp += ": " + file;
7761 5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7755 diff changeset	2970
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7755 diff changeset	2971 symbol_table::cache_name (fcn->scope (), tmp);
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7755 diff changeset	2972
7715 5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7699 diff changeset	2973 if (lc)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2974 fcn->stash_leading_comment (lc);
7715 5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7699 diff changeset	2975
5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7699 diff changeset	2976 fcn->define_ret_list (ret_list);
7755 ea9cb4d68dbf avoid installing subfunctions twice John W. Eaton <jwe@octave.org> parents: 7750 diff changeset	2977
9474 25ed2d6aacf6 Parse nested functions more accurately. David Grundberg <individ@acc.umu.se> parents: 9471 diff changeset	2978 if (current_function_depth > 1 \|\| parsing_subfunctions)
25ed2d6aacf6 Parse nested functions more accurately. David Grundberg <individ@acc.umu.se> parents: 9471 diff changeset	2979 {
11461 2b8531a6a3c9 Change mentions of "nested function" to the less misleading "subfunction" David Grundberg <individ@acc.umu.se> parents: 11388 diff changeset	2980 fcn->mark_as_subfunction ();
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2981
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2982 symbol_table::install_subfunction (nm, octave_value (fcn),
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2983 primary_fcn_scope);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2984 }
9474 25ed2d6aacf6 Parse nested functions more accurately. David Grundberg <individ@acc.umu.se> parents: 9471 diff changeset	2985
9761 5f8971be8e12 parse.y (finish_function): retrun function object unless parsing function file John W. Eaton <jwe@octave.org> parents: 9506 diff changeset	2986 if (! reading_fcn_file)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2987 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2988 // We are either reading a script file or defining a function
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2989 // at the command line, so this definition creates a
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2990 // tree_function object that is placed in the parse tree.
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2991 // Otherwise, it is just inserted in the symbol table,
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2992 // either as a subfunction (see above), or as the primary
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2993 // function for the file, via primary_fcn_ptr (see also
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2994 // load_fcn_from_file,, parse_fcn_file, and
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2995 // symbol_table::fcn_info::fcn_info_rep::find_user_function).
9761 5f8971be8e12 parse.y (finish_function): retrun function object unless parsing function file John W. Eaton <jwe@octave.org> parents: 9506 diff changeset	2996
5f8971be8e12 parse.y (finish_function): retrun function object unless parsing function file John W. Eaton <jwe@octave.org> parents: 9506 diff changeset	2997 retval = new tree_function_def (fcn);
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2998 }
8282 47a3d2f829e4 clear local symbol table after parsing function John W. Eaton <jwe@octave.org> parents: 8150 diff changeset	2999
9009 da58ec8f62e8 tag bug don't define forced variables John W. Eaton <jwe@octave.org> parents: 8974 diff changeset	3000 // Unmark any symbols that may have been tagged as local
da58ec8f62e8 tag bug don't define forced variables John W. Eaton <jwe@octave.org> parents: 8974 diff changeset	3001 // variables while parsing (for example, by force_local_variable
da58ec8f62e8 tag bug don't define forced variables John W. Eaton <jwe@octave.org> parents: 8974 diff changeset	3002 // in lex.l).
da58ec8f62e8 tag bug don't define forced variables John W. Eaton <jwe@octave.org> parents: 8974 diff changeset	3003
da58ec8f62e8 tag bug don't define forced variables John W. Eaton <jwe@octave.org> parents: 8974 diff changeset	3004 symbol_table::unmark_forced_variables (fcn->scope ());
7715 5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7699 diff changeset	3005 }
5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7699 diff changeset	3006
5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7699 diff changeset	3007 return retval;
1623 fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	3008 }
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	3009
2883 0b3954110c77 [project @ 1997-04-24 09:57:05 by jwe] jwe parents: 2865 diff changeset	3010 static void
0b3954110c77 [project @ 1997-04-24 09:57:05 by jwe] jwe parents: 2865 diff changeset	3011 recover_from_parsing_function (void)
0b3954110c77 [project @ 1997-04-24 09:57:05 by jwe] jwe parents: 2865 diff changeset	3012 {
4238 a5a68c0afe56 [project @ 2002-12-25 21:04:33 by jwe] jwe parents: 4237 diff changeset	3013 if (symtab_context.empty ())
3903 1dbe160ea0d1 [project @ 2002-04-23 03:40:25 by jwe] jwe parents: 3883 diff changeset	3014 panic_impossible ();
1dbe160ea0d1 [project @ 2002-04-23 03:40:25 by jwe] jwe parents: 3883 diff changeset	3015
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	3016 symbol_table::set_scope (symtab_context.top ());
4238 a5a68c0afe56 [project @ 2002-12-25 21:04:33 by jwe] jwe parents: 4237 diff changeset	3017 symtab_context.pop ();
2883 0b3954110c77 [project @ 1997-04-24 09:57:05 by jwe] jwe parents: 2865 diff changeset	3018
9474 25ed2d6aacf6 Parse nested functions more accurately. David Grundberg <individ@acc.umu.se> parents: 9471 diff changeset	3019 if (reading_fcn_file && current_function_depth == 1
25ed2d6aacf6 Parse nested functions more accurately. David Grundberg <individ@acc.umu.se> parents: 9471 diff changeset	3020 && ! parsing_subfunctions)
25ed2d6aacf6 Parse nested functions more accurately. David Grundberg <individ@acc.umu.se> parents: 9471 diff changeset	3021 parsing_subfunctions = true;
25ed2d6aacf6 Parse nested functions more accurately. David Grundberg <individ@acc.umu.se> parents: 9471 diff changeset	3022
25ed2d6aacf6 Parse nested functions more accurately. David Grundberg <individ@acc.umu.se> parents: 9471 diff changeset	3023 current_function_depth--;
25ed2d6aacf6 Parse nested functions more accurately. David Grundberg <individ@acc.umu.se> parents: 9471 diff changeset	3024
11367 b2191ebea12f don't process input_event_hook when we are parsing a function John W. Eaton <jwe@octave.org> parents: 11317 diff changeset	3025 lexer_flags.defining_func--;
11464 21b5284fa78d avoid error when parsing nested functions John W. Eaton <jwe@octave.org> parents: 11461 diff changeset	3026 lexer_flags.parsed_function_name.pop ();
2883 0b3954110c77 [project @ 1997-04-24 09:57:05 by jwe] jwe parents: 2865 diff changeset	3027 lexer_flags.looking_at_return_list = false;
0b3954110c77 [project @ 1997-04-24 09:57:05 by jwe] jwe parents: 2865 diff changeset	3028 lexer_flags.looking_at_parameter_list = false;
0b3954110c77 [project @ 1997-04-24 09:57:05 by jwe] jwe parents: 2865 diff changeset	3029 }
0b3954110c77 [project @ 1997-04-24 09:57:05 by jwe] jwe parents: 2865 diff changeset	3030
2846 52e7c4509983 [project @ 1997-03-26 23:27:35 by jwe] jwe parents: 2825 diff changeset	3031 // Make an index expression.
52e7c4509983 [project @ 1997-03-26 23:27:35 by jwe] jwe parents: 2825 diff changeset	3032
751 c9f3cb77478d [project @ 1994-09-30 18:46:17 by jwe] jwe parents: 723 diff changeset	3033 static tree_index_expression *
3929 cc8ae49d6e79 [project @ 2002-05-04 02:47:14 by jwe] jwe parents: 3928 diff changeset	3034 make_index_expression (tree_expression expr, tree_argument_list args,
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3035 char type)
751 c9f3cb77478d [project @ 1994-09-30 18:46:17 by jwe] jwe parents: 723 diff changeset	3036 {
c9f3cb77478d [project @ 1994-09-30 18:46:17 by jwe] jwe parents: 723 diff changeset	3037 tree_index_expression *retval = 0;
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11572 diff changeset	3038
10206 37a08e0ce2dc support Matlab-style empty output/input arguments Jaroslav Hajek <highegg@gmail.com> parents: 10188 diff changeset	3039 if (args && args->has_magic_tilde ())
37a08e0ce2dc support Matlab-style empty output/input arguments Jaroslav Hajek <highegg@gmail.com> parents: 10188 diff changeset	3040 {
37a08e0ce2dc support Matlab-style empty output/input arguments Jaroslav Hajek <highegg@gmail.com> parents: 10188 diff changeset	3041 yyerror ("invalid use of empty argument (~) in index expression");
37a08e0ce2dc support Matlab-style empty output/input arguments Jaroslav Hajek <highegg@gmail.com> parents: 10188 diff changeset	3042 return retval;
37a08e0ce2dc support Matlab-style empty output/input arguments Jaroslav Hajek <highegg@gmail.com> parents: 10188 diff changeset	3043 }
751 c9f3cb77478d [project @ 1994-09-30 18:46:17 by jwe] jwe parents: 723 diff changeset	3044
2970 b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	3045 int l = expr->line ();
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	3046 int c = expr->column ();
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	3047
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	3048 expr->mark_postfix_indexed ();
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	3049
3933 f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe] jwe parents: 3930 diff changeset	3050 if (expr->is_index_expression ())
f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe] jwe parents: 3930 diff changeset	3051 {
f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe] jwe parents: 3930 diff changeset	3052 tree_index_expression tmp = static_cast<tree_index_expression > (expr);
f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe] jwe parents: 3930 diff changeset	3053
f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe] jwe parents: 3930 diff changeset	3054 tmp->append (args, type);
f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe] jwe parents: 3930 diff changeset	3055
f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe] jwe parents: 3930 diff changeset	3056 retval = tmp;
f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe] jwe parents: 3930 diff changeset	3057 }
f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe] jwe parents: 3930 diff changeset	3058 else
f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe] jwe parents: 3930 diff changeset	3059 retval = new tree_index_expression (expr, args, l, c, type);
2970 b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	3060
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	3061 return retval;
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	3062 }
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	3063
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	3064 // Make an indirect reference expression.
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	3065
3930 61d4427c016e [project @ 2002-05-07 00:47:31 by jwe] jwe parents: 3929 diff changeset	3066 static tree_index_expression *
3523 b80bbb43a1a9 [project @ 2000-02-02 10:25:52 by jwe] jwe parents: 3489 diff changeset	3067 make_indirect_ref (tree_expression *expr, const std::string& elt)
2970 b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	3068 {
3930 61d4427c016e [project @ 2002-05-07 00:47:31 by jwe] jwe parents: 3929 diff changeset	3069 tree_index_expression *retval = 0;
2970 b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	3070
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	3071 int l = expr->line ();
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	3072 int c = expr->column ();
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	3073
3933 f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe] jwe parents: 3930 diff changeset	3074 if (expr->is_index_expression ())
f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe] jwe parents: 3930 diff changeset	3075 {
f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe] jwe parents: 3930 diff changeset	3076 tree_index_expression tmp = static_cast<tree_index_expression > (expr);
f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe] jwe parents: 3930 diff changeset	3077
f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe] jwe parents: 3930 diff changeset	3078 tmp->append (elt);
f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe] jwe parents: 3930 diff changeset	3079
f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe] jwe parents: 3930 diff changeset	3080 retval = tmp;
f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe] jwe parents: 3930 diff changeset	3081 }
f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe] jwe parents: 3930 diff changeset	3082 else
f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe] jwe parents: 3930 diff changeset	3083 retval = new tree_index_expression (expr, elt, l, c);
2970 b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	3084
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	3085 lexer_flags.looking_at_indirect_ref = false;
751 c9f3cb77478d [project @ 1994-09-30 18:46:17 by jwe] jwe parents: 723 diff changeset	3086
c9f3cb77478d [project @ 1994-09-30 18:46:17 by jwe] jwe parents: 723 diff changeset	3087 return retval;
c9f3cb77478d [project @ 1994-09-30 18:46:17 by jwe] jwe parents: 723 diff changeset	3088 }
1511 74f9e88a2c12 [project @ 1995-10-03 10:49:31 by jwe] jwe parents: 1491 diff changeset	3089
4131 597fbc55ea40 [project @ 2002-10-29 17:12:53 by jwe] jwe parents: 4064 diff changeset	3090 // Make an indirect reference expression with dynamic field name.
597fbc55ea40 [project @ 2002-10-29 17:12:53 by jwe] jwe parents: 4064 diff changeset	3091
597fbc55ea40 [project @ 2002-10-29 17:12:53 by jwe] jwe parents: 4064 diff changeset	3092 static tree_index_expression *
597fbc55ea40 [project @ 2002-10-29 17:12:53 by jwe] jwe parents: 4064 diff changeset	3093 make_indirect_ref (tree_expression expr, tree_expression elt)
597fbc55ea40 [project @ 2002-10-29 17:12:53 by jwe] jwe parents: 4064 diff changeset	3094 {
597fbc55ea40 [project @ 2002-10-29 17:12:53 by jwe] jwe parents: 4064 diff changeset	3095 tree_index_expression *retval = 0;
597fbc55ea40 [project @ 2002-10-29 17:12:53 by jwe] jwe parents: 4064 diff changeset	3096
597fbc55ea40 [project @ 2002-10-29 17:12:53 by jwe] jwe parents: 4064 diff changeset	3097 int l = expr->line ();
597fbc55ea40 [project @ 2002-10-29 17:12:53 by jwe] jwe parents: 4064 diff changeset	3098 int c = expr->column ();
597fbc55ea40 [project @ 2002-10-29 17:12:53 by jwe] jwe parents: 4064 diff changeset	3099
597fbc55ea40 [project @ 2002-10-29 17:12:53 by jwe] jwe parents: 4064 diff changeset	3100 if (expr->is_index_expression ())
597fbc55ea40 [project @ 2002-10-29 17:12:53 by jwe] jwe parents: 4064 diff changeset	3101 {
597fbc55ea40 [project @ 2002-10-29 17:12:53 by jwe] jwe parents: 4064 diff changeset	3102 tree_index_expression tmp = static_cast<tree_index_expression > (expr);
597fbc55ea40 [project @ 2002-10-29 17:12:53 by jwe] jwe parents: 4064 diff changeset	3103
597fbc55ea40 [project @ 2002-10-29 17:12:53 by jwe] jwe parents: 4064 diff changeset	3104 tmp->append (elt);
597fbc55ea40 [project @ 2002-10-29 17:12:53 by jwe] jwe parents: 4064 diff changeset	3105
597fbc55ea40 [project @ 2002-10-29 17:12:53 by jwe] jwe parents: 4064 diff changeset	3106 retval = tmp;
597fbc55ea40 [project @ 2002-10-29 17:12:53 by jwe] jwe parents: 4064 diff changeset	3107 }
597fbc55ea40 [project @ 2002-10-29 17:12:53 by jwe] jwe parents: 4064 diff changeset	3108 else
597fbc55ea40 [project @ 2002-10-29 17:12:53 by jwe] jwe parents: 4064 diff changeset	3109 retval = new tree_index_expression (expr, elt, l, c);
597fbc55ea40 [project @ 2002-10-29 17:12:53 by jwe] jwe parents: 4064 diff changeset	3110
597fbc55ea40 [project @ 2002-10-29 17:12:53 by jwe] jwe parents: 4064 diff changeset	3111 lexer_flags.looking_at_indirect_ref = false;
597fbc55ea40 [project @ 2002-10-29 17:12:53 by jwe] jwe parents: 4064 diff changeset	3112
597fbc55ea40 [project @ 2002-10-29 17:12:53 by jwe] jwe parents: 4064 diff changeset	3113 return retval;
597fbc55ea40 [project @ 2002-10-29 17:12:53 by jwe] jwe parents: 4064 diff changeset	3114 }
597fbc55ea40 [project @ 2002-10-29 17:12:53 by jwe] jwe parents: 4064 diff changeset	3115
2846 52e7c4509983 [project @ 1997-03-26 23:27:35 by jwe] jwe parents: 2825 diff changeset	3116 // Make a declaration command.
52e7c4509983 [project @ 1997-03-26 23:27:35 by jwe] jwe parents: 2825 diff changeset	3117
52e7c4509983 [project @ 1997-03-26 23:27:35 by jwe] jwe parents: 2825 diff changeset	3118 static tree_decl_command *
52e7c4509983 [project @ 1997-03-26 23:27:35 by jwe] jwe parents: 2825 diff changeset	3119 make_decl_command (int tok, token tok_val, tree_decl_init_list lst)
52e7c4509983 [project @ 1997-03-26 23:27:35 by jwe] jwe parents: 2825 diff changeset	3120 {
52e7c4509983 [project @ 1997-03-26 23:27:35 by jwe] jwe parents: 2825 diff changeset	3121 tree_decl_command *retval = 0;
52e7c4509983 [project @ 1997-03-26 23:27:35 by jwe] jwe parents: 2825 diff changeset	3122
52e7c4509983 [project @ 1997-03-26 23:27:35 by jwe] jwe parents: 2825 diff changeset	3123 int l = tok_val->line ();
52e7c4509983 [project @ 1997-03-26 23:27:35 by jwe] jwe parents: 2825 diff changeset	3124 int c = tok_val->column ();
52e7c4509983 [project @ 1997-03-26 23:27:35 by jwe] jwe parents: 2825 diff changeset	3125
52e7c4509983 [project @ 1997-03-26 23:27:35 by jwe] jwe parents: 2825 diff changeset	3126 switch (tok)
52e7c4509983 [project @ 1997-03-26 23:27:35 by jwe] jwe parents: 2825 diff changeset	3127 {
52e7c4509983 [project @ 1997-03-26 23:27:35 by jwe] jwe parents: 2825 diff changeset	3128 case GLOBAL:
52e7c4509983 [project @ 1997-03-26 23:27:35 by jwe] jwe parents: 2825 diff changeset	3129 retval = new tree_global_command (lst, l, c);
52e7c4509983 [project @ 1997-03-26 23:27:35 by jwe] jwe parents: 2825 diff changeset	3130 break;
52e7c4509983 [project @ 1997-03-26 23:27:35 by jwe] jwe parents: 2825 diff changeset	3131
52e7c4509983 [project @ 1997-03-26 23:27:35 by jwe] jwe parents: 2825 diff changeset	3132 case STATIC:
9474 25ed2d6aacf6 Parse nested functions more accurately. David Grundberg <individ@acc.umu.se> parents: 9471 diff changeset	3133 if (current_function_depth > 0)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3134 retval = new tree_static_command (lst, l, c);
2846 52e7c4509983 [project @ 1997-03-26 23:27:35 by jwe] jwe parents: 2825 diff changeset	3135 else
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3136 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3137 if (reading_script_file)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3138 warning ("ignoring persistent declaration near line %d of file `%s'",
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3139 l, curr_fcn_file_full_name.c_str ());
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3140 else
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3141 warning ("ignoring persistent declaration near line %d", l);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3142 }
2846 52e7c4509983 [project @ 1997-03-26 23:27:35 by jwe] jwe parents: 2825 diff changeset	3143 break;
52e7c4509983 [project @ 1997-03-26 23:27:35 by jwe] jwe parents: 2825 diff changeset	3144
52e7c4509983 [project @ 1997-03-26 23:27:35 by jwe] jwe parents: 2825 diff changeset	3145 default:
52e7c4509983 [project @ 1997-03-26 23:27:35 by jwe] jwe parents: 2825 diff changeset	3146 panic_impossible ();
52e7c4509983 [project @ 1997-03-26 23:27:35 by jwe] jwe parents: 2825 diff changeset	3147 break;
52e7c4509983 [project @ 1997-03-26 23:27:35 by jwe] jwe parents: 2825 diff changeset	3148 }
52e7c4509983 [project @ 1997-03-26 23:27:35 by jwe] jwe parents: 2825 diff changeset	3149
52e7c4509983 [project @ 1997-03-26 23:27:35 by jwe] jwe parents: 2825 diff changeset	3150 return retval;
52e7c4509983 [project @ 1997-03-26 23:27:35 by jwe] jwe parents: 2825 diff changeset	3151 }
52e7c4509983 [project @ 1997-03-26 23:27:35 by jwe] jwe parents: 2825 diff changeset	3152
10207 76a880a588ce error when using ~ in matrix expression Jaroslav Hajek <highegg@gmail.com> parents: 10206 diff changeset	3153 static tree_argument_list *
76a880a588ce error when using ~ in matrix expression Jaroslav Hajek <highegg@gmail.com> parents: 10206 diff changeset	3154 validate_matrix_row (tree_argument_list *row)
76a880a588ce error when using ~ in matrix expression Jaroslav Hajek <highegg@gmail.com> parents: 10206 diff changeset	3155 {
76a880a588ce error when using ~ in matrix expression Jaroslav Hajek <highegg@gmail.com> parents: 10206 diff changeset	3156 if (row && row->has_magic_tilde ())
76a880a588ce error when using ~ in matrix expression Jaroslav Hajek <highegg@gmail.com> parents: 10206 diff changeset	3157 yyerror ("invalid use of tilde (~) in matrix expression");
76a880a588ce error when using ~ in matrix expression Jaroslav Hajek <highegg@gmail.com> parents: 10206 diff changeset	3158 return row;
76a880a588ce error when using ~ in matrix expression Jaroslav Hajek <highegg@gmail.com> parents: 10206 diff changeset	3159 }
76a880a588ce error when using ~ in matrix expression Jaroslav Hajek <highegg@gmail.com> parents: 10206 diff changeset	3160
1623 fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	3161 // Finish building a matrix list.
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	3162
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	3163 static tree_expression *
1829 7d2982b55242 [project @ 1996-02-02 14:12:59 by jwe] jwe parents: 1826 diff changeset	3164 finish_matrix (tree_matrix *m)
1623 fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	3165 {
3110 fe2d1ae8926b [project @ 1997-11-21 02:11:19 by jwe] jwe parents: 3099 diff changeset	3166 tree_expression *retval = m;
fe2d1ae8926b [project @ 1997-11-21 02:11:19 by jwe] jwe parents: 3099 diff changeset	3167
10067 6f79338c269b omission from last patch Jaroslav Hajek <highegg@gmail.com> parents: 9794 diff changeset	3168 unwind_protect frame;
6f79338c269b omission from last patch Jaroslav Hajek <highegg@gmail.com> parents: 9794 diff changeset	3169
6f79338c269b omission from last patch Jaroslav Hajek <highegg@gmail.com> parents: 9794 diff changeset	3170 frame.protect_var (error_state);
6f79338c269b omission from last patch Jaroslav Hajek <highegg@gmail.com> parents: 9794 diff changeset	3171 frame.protect_var (warning_state);
6f79338c269b omission from last patch Jaroslav Hajek <highegg@gmail.com> parents: 9794 diff changeset	3172
6f79338c269b omission from last patch Jaroslav Hajek <highegg@gmail.com> parents: 9794 diff changeset	3173 frame.protect_var (discard_error_messages);
6f79338c269b omission from last patch Jaroslav Hajek <highegg@gmail.com> parents: 9794 diff changeset	3174 frame.protect_var (discard_warning_messages);
4452 f3c21a1d1c62 [project @ 2003-07-09 23:20:18 by jwe] jwe parents: 4426 diff changeset	3175
3815 c554ad71bafc [project @ 2001-04-19 19:50:52 by jwe] jwe parents: 3802 diff changeset	3176 discard_error_messages = true;
4452 f3c21a1d1c62 [project @ 2003-07-09 23:20:18 by jwe] jwe parents: 4426 diff changeset	3177 discard_warning_messages = true;
1623 fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	3178
2533 987e934bbb8c [project @ 1996-11-19 18:21:23 by jwe] jwe parents: 2525 diff changeset	3179 if (m->all_elements_are_constant ())
1829 7d2982b55242 [project @ 1996-02-02 14:12:59 by jwe] jwe parents: 1826 diff changeset	3180 {
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: 8471 diff changeset	3181 octave_value tmp = m->rvalue1 ();
1623 fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	3182
3489 cbee5fbb696d [project @ 2000-01-28 09:14:32 by jwe] jwe parents: 3485 diff changeset	3183 if (! (error_state \|\| warning_state))
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3184 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3185 tree_constant *tc_retval
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3186 = new tree_constant (tmp, m->line (), m->column ());
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3187
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3188 std::ostringstream buf;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3189
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3190 tree_print_code tpc (buf);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3191
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3192 m->accept (tpc);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3193
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3194 tc_retval->stash_original_text (buf.str ());
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3195
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3196 delete m;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3197
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3198 retval = tc_retval;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3199 }
1623 fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	3200 }
3110 fe2d1ae8926b [project @ 1997-11-21 02:11:19 by jwe] jwe parents: 3099 diff changeset	3201
1623 fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	3202 return retval;
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	3203 }
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	3204
3351 8623649c967c [project @ 1999-11-15 16:17:01 by jwe] jwe parents: 3347 diff changeset	3205 // Finish building a cell list.
8623649c967c [project @ 1999-11-15 16:17:01 by jwe] jwe parents: 3347 diff changeset	3206
8623649c967c [project @ 1999-11-15 16:17:01 by jwe] jwe parents: 3347 diff changeset	3207 static tree_expression *
8623649c967c [project @ 1999-11-15 16:17:01 by jwe] jwe parents: 3347 diff changeset	3208 finish_cell (tree_cell *c)
8623649c967c [project @ 1999-11-15 16:17:01 by jwe] jwe parents: 3347 diff changeset	3209 {
5875 f6ddc0ee2315 [project @ 2006-07-01 15:24:44 by jwe] jwe parents: 5864 diff changeset	3210 return finish_matrix (c);
3351 8623649c967c [project @ 1999-11-15 16:17:01 by jwe] jwe parents: 3347 diff changeset	3211 }
8623649c967c [project @ 1999-11-15 16:17:01 by jwe] jwe parents: 3347 diff changeset	3212
1511 74f9e88a2c12 [project @ 1995-10-03 10:49:31 by jwe] jwe parents: 1491 diff changeset	3213 static void
74f9e88a2c12 [project @ 1995-10-03 10:49:31 by jwe] jwe parents: 1491 diff changeset	3214 maybe_warn_missing_semi (tree_statement_list *t)
74f9e88a2c12 [project @ 1995-10-03 10:49:31 by jwe] jwe parents: 1491 diff changeset	3215 {
9474 25ed2d6aacf6 Parse nested functions more accurately. David Grundberg <individ@acc.umu.se> parents: 9471 diff changeset	3216 if (current_function_depth > 0)
1511 74f9e88a2c12 [project @ 1995-10-03 10:49:31 by jwe] jwe parents: 1491 diff changeset	3217 {
4219 23d06c9e1edd [project @ 2002-12-06 21:29:17 by jwe] jwe parents: 4207 diff changeset	3218 tree_statement *tmp = t->back();
1607 795527e9db19 [project @ 1995-11-02 13:03:36 by jwe] jwe parents: 1588 diff changeset	3219
1511 74f9e88a2c12 [project @ 1995-10-03 10:49:31 by jwe] jwe parents: 1491 diff changeset	3220 if (tmp->is_expression ())
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3221 warning_with_id
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3222 ("Octave:missing-semicolon",
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3223 "missing semicolon near line %d, column %d in file `%s'",
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3224 tmp->line (), tmp->column (), curr_fcn_file_full_name.c_str ());
1511 74f9e88a2c12 [project @ 1995-10-03 10:49:31 by jwe] jwe parents: 1491 diff changeset	3225 }
74f9e88a2c12 [project @ 1995-10-03 10:49:31 by jwe] jwe parents: 1491 diff changeset	3226 }
1994 c2d20f365b84 [project @ 1996-03-03 01:19:32 by jwe] jwe parents: 1884 diff changeset	3227
8471 02de6775f1fe parse.y: always append statements to list, but remove null statements after seeing separator John W. Eaton <jwe@octave.org> parents: 8448 diff changeset	3228 static tree_statement_list *
2525 8561d88be5f2 [project @ 1996-11-17 21:23:31 by jwe] jwe parents: 2524 diff changeset	3229 set_stmt_print_flag (tree_statement_list *list, char sep,
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3230 bool warn_missing_semi)
2525 8561d88be5f2 [project @ 1996-11-17 21:23:31 by jwe] jwe parents: 2524 diff changeset	3231 {
8471 02de6775f1fe parse.y: always append statements to list, but remove null statements after seeing separator John W. Eaton <jwe@octave.org> parents: 8448 diff changeset	3232 tree_statement *tmp = list->back ();
02de6775f1fe parse.y: always append statements to list, but remove null statements after seeing separator John W. Eaton <jwe@octave.org> parents: 8448 diff changeset	3233
2525 8561d88be5f2 [project @ 1996-11-17 21:23:31 by jwe] jwe parents: 2524 diff changeset	3234 switch (sep)
8561d88be5f2 [project @ 1996-11-17 21:23:31 by jwe] jwe parents: 2524 diff changeset	3235 {
8561d88be5f2 [project @ 1996-11-17 21:23:31 by jwe] jwe parents: 2524 diff changeset	3236 case ';':
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: 8471 diff changeset	3237 tmp->set_print_flag (false);
2525 8561d88be5f2 [project @ 1996-11-17 21:23:31 by jwe] jwe parents: 2524 diff changeset	3238 break;
8561d88be5f2 [project @ 1996-11-17 21:23:31 by jwe] jwe parents: 2524 diff changeset	3239
8561d88be5f2 [project @ 1996-11-17 21:23:31 by jwe] jwe parents: 2524 diff changeset	3240 case 0:
8561d88be5f2 [project @ 1996-11-17 21:23:31 by jwe] jwe parents: 2524 diff changeset	3241 case ',':
8561d88be5f2 [project @ 1996-11-17 21:23:31 by jwe] jwe parents: 2524 diff changeset	3242 case '\n':
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: 8471 diff changeset	3243 tmp->set_print_flag (true);
2525 8561d88be5f2 [project @ 1996-11-17 21:23:31 by jwe] jwe parents: 2524 diff changeset	3244 if (warn_missing_semi)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3245 maybe_warn_missing_semi (list);
2525 8561d88be5f2 [project @ 1996-11-17 21:23:31 by jwe] jwe parents: 2524 diff changeset	3246 break;
8561d88be5f2 [project @ 1996-11-17 21:23:31 by jwe] jwe parents: 2524 diff changeset	3247
8561d88be5f2 [project @ 1996-11-17 21:23:31 by jwe] jwe parents: 2524 diff changeset	3248 default:
8561d88be5f2 [project @ 1996-11-17 21:23:31 by jwe] jwe parents: 2524 diff changeset	3249 warning ("unrecognized separator type!");
8561d88be5f2 [project @ 1996-11-17 21:23:31 by jwe] jwe parents: 2524 diff changeset	3250 break;
8561d88be5f2 [project @ 1996-11-17 21:23:31 by jwe] jwe parents: 2524 diff changeset	3251 }
8471 02de6775f1fe parse.y: always append statements to list, but remove null statements after seeing separator John W. Eaton <jwe@octave.org> parents: 8448 diff changeset	3252
02de6775f1fe parse.y: always append statements to list, but remove null statements after seeing separator John W. Eaton <jwe@octave.org> parents: 8448 diff changeset	3253 // Even if a statement is null, we add it to the list then remove it
02de6775f1fe parse.y: always append statements to list, but remove null statements after seeing separator John W. Eaton <jwe@octave.org> parents: 8448 diff changeset	3254 // here so that the print flag is applied to the correct statement.
02de6775f1fe parse.y: always append statements to list, but remove null statements after seeing separator John W. Eaton <jwe@octave.org> parents: 8448 diff changeset	3255
02de6775f1fe parse.y: always append statements to list, but remove null statements after seeing separator John W. Eaton <jwe@octave.org> parents: 8448 diff changeset	3256 if (tmp->is_null_statement ())
02de6775f1fe parse.y: always append statements to list, but remove null statements after seeing separator John W. Eaton <jwe@octave.org> parents: 8448 diff changeset	3257 {
02de6775f1fe parse.y: always append statements to list, but remove null statements after seeing separator John W. Eaton <jwe@octave.org> parents: 8448 diff changeset	3258 list->pop_back ();
02de6775f1fe parse.y: always append statements to list, but remove null statements after seeing separator John W. Eaton <jwe@octave.org> parents: 8448 diff changeset	3259 delete tmp;
02de6775f1fe parse.y: always append statements to list, but remove null statements after seeing separator John W. Eaton <jwe@octave.org> parents: 8448 diff changeset	3260 }
02de6775f1fe parse.y: always append statements to list, but remove null statements after seeing separator John W. Eaton <jwe@octave.org> parents: 8448 diff changeset	3261
02de6775f1fe parse.y: always append statements to list, but remove null statements after seeing separator John W. Eaton <jwe@octave.org> parents: 8448 diff changeset	3262 return list;
2525 8561d88be5f2 [project @ 1996-11-17 21:23:31 by jwe] jwe parents: 2524 diff changeset	3263 }
8561d88be5f2 [project @ 1996-11-17 21:23:31 by jwe] jwe parents: 2524 diff changeset	3264
8448 d6c0d5f208de parse.y: avoid storing null statements in statement lists John W. Eaton <jwe@octave.org> parents: 8447 diff changeset	3265 static tree_statement_list *
d6c0d5f208de parse.y: avoid storing null statements in statement lists John W. Eaton <jwe@octave.org> parents: 8447 diff changeset	3266 make_statement_list (tree_statement *stmt)
d6c0d5f208de parse.y: avoid storing null statements in statement lists John W. Eaton <jwe@octave.org> parents: 8447 diff changeset	3267 {
8471 02de6775f1fe parse.y: always append statements to list, but remove null statements after seeing separator John W. Eaton <jwe@octave.org> parents: 8448 diff changeset	3268 return new tree_statement_list (stmt);
8448 d6c0d5f208de parse.y: avoid storing null statements in statement lists John W. Eaton <jwe@octave.org> parents: 8447 diff changeset	3269 }
d6c0d5f208de parse.y: avoid storing null statements in statement lists John W. Eaton <jwe@octave.org> parents: 8447 diff changeset	3270
d6c0d5f208de parse.y: avoid storing null statements in statement lists John W. Eaton <jwe@octave.org> parents: 8447 diff changeset	3271 static tree_statement_list *
d6c0d5f208de parse.y: avoid storing null statements in statement lists John W. Eaton <jwe@octave.org> parents: 8447 diff changeset	3272 append_statement_list (tree_statement_list *list, char sep,
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3273 tree_statement *stmt, bool warn_missing_semi)
8448 d6c0d5f208de parse.y: avoid storing null statements in statement lists John W. Eaton <jwe@octave.org> parents: 8447 diff changeset	3274 {
8471 02de6775f1fe parse.y: always append statements to list, but remove null statements after seeing separator John W. Eaton <jwe@octave.org> parents: 8448 diff changeset	3275 set_stmt_print_flag (list, sep, warn_missing_semi);
02de6775f1fe parse.y: always append statements to list, but remove null statements after seeing separator John W. Eaton <jwe@octave.org> parents: 8448 diff changeset	3276
02de6775f1fe parse.y: always append statements to list, but remove null statements after seeing separator John W. Eaton <jwe@octave.org> parents: 8448 diff changeset	3277 list->append (stmt);
02de6775f1fe parse.y: always append statements to list, but remove null statements after seeing separator John W. Eaton <jwe@octave.org> parents: 8448 diff changeset	3278
02de6775f1fe parse.y: always append statements to list, but remove null statements after seeing separator John W. Eaton <jwe@octave.org> parents: 8448 diff changeset	3279 return list;
8448 d6c0d5f208de parse.y: avoid storing null statements in statement lists John W. Eaton <jwe@octave.org> parents: 8447 diff changeset	3280 }
d6c0d5f208de parse.y: avoid storing null statements in statement lists John W. Eaton <jwe@octave.org> parents: 8447 diff changeset	3281
3021 18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	3282 static void
10067 6f79338c269b omission from last patch Jaroslav Hajek <highegg@gmail.com> parents: 9794 diff changeset	3283 safe_fclose (FILE *f)
3021 18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	3284 {
5775 ace8d8d26933 [project @ 2006-04-24 19:13:06 by jwe] jwe parents: 5774 diff changeset	3285 // FIXME -- comments at the end of an input file are
3765 e10451597802 [project @ 2001-01-17 18:41:29 by jwe] jwe parents: 3726 diff changeset	3286 // discarded (otherwise, they would be appended to the next
e10451597802 [project @ 2001-01-17 18:41:29 by jwe] jwe parents: 3726 diff changeset	3287 // statement, possibly from the command line or another file, which
e10451597802 [project @ 2001-01-17 18:41:29 by jwe] jwe parents: 3726 diff changeset	3288 // can be quite confusing).
e10451597802 [project @ 2001-01-17 18:41:29 by jwe] jwe parents: 3726 diff changeset	3289
5308 bc8d6ebb6ee1 [project @ 2005-04-27 05:08:19 by jwe] jwe parents: 5307 diff changeset	3290 octave_comment_list *tc = octave_comment_buffer::get_comment ();
bc8d6ebb6ee1 [project @ 2005-04-27 05:08:19 by jwe] jwe parents: 5307 diff changeset	3291
bc8d6ebb6ee1 [project @ 2005-04-27 05:08:19 by jwe] jwe parents: 5307 diff changeset	3292 delete tc;
3765 e10451597802 [project @ 2001-01-17 18:41:29 by jwe] jwe parents: 3726 diff changeset	3293
3021 18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	3294 if (f)
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	3295 fclose (static_cast<FILE *> (f));
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	3296 }
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	3297
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	3298 static bool
5175 7a25bb94ef65 [project @ 2005-03-02 17:38:32 by jwe] jwe parents: 5161 diff changeset	3299 looks_like_copyright (const std::string& s)
3021 18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	3300 {
7720 4e2eafef689c unify comment and help text processing in lex.l and parse.y John W. Eaton <jwe@octave.org> parents: 7719 diff changeset	3301 bool retval = false;
4e2eafef689c unify comment and help text processing in lex.l and parse.y John W. Eaton <jwe@octave.org> parents: 7719 diff changeset	3302
4e2eafef689c unify comment and help text processing in lex.l and parse.y John W. Eaton <jwe@octave.org> parents: 7719 diff changeset	3303 if (! s.empty ())
4e2eafef689c unify comment and help text processing in lex.l and parse.y John W. Eaton <jwe@octave.org> parents: 7719 diff changeset	3304 {
4e2eafef689c unify comment and help text processing in lex.l and parse.y John W. Eaton <jwe@octave.org> parents: 7719 diff changeset	3305 size_t offset = s.find_first_not_of (" \t");
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11572 diff changeset	3306
7720 4e2eafef689c unify comment and help text processing in lex.l and parse.y John W. Eaton <jwe@octave.org> parents: 7719 diff changeset	3307 retval = (s.substr (offset, 9) == "Copyright");
4e2eafef689c unify comment and help text processing in lex.l and parse.y John W. Eaton <jwe@octave.org> parents: 7719 diff changeset	3308 }
4e2eafef689c unify comment and help text processing in lex.l and parse.y John W. Eaton <jwe@octave.org> parents: 7719 diff changeset	3309
4e2eafef689c unify comment and help text processing in lex.l and parse.y John W. Eaton <jwe@octave.org> parents: 7719 diff changeset	3310 return retval;
3021 18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	3311 }
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	3312
4540 491ac5f9d120 [project @ 2003-10-16 17:34:07 by jwe] jwe parents: 4486 diff changeset	3313 static int
491ac5f9d120 [project @ 2003-10-16 17:34:07 by jwe] jwe parents: 4486 diff changeset	3314 text_getc (FILE *f)
491ac5f9d120 [project @ 2003-10-16 17:34:07 by jwe] jwe parents: 4486 diff changeset	3315 {
12918 f3a8d1efe2c1 use gnulib:: qualifiers for more stdio functions John W. Eaton <jwe@octave.org> parents: 12719 diff changeset	3316 int c = gnulib::getc (f);
4540 491ac5f9d120 [project @ 2003-10-16 17:34:07 by jwe] jwe parents: 4486 diff changeset	3317
7728 13820b9f5fd9 more consistent handling of CR/CRLF/LF line endings in lexer and parser John W. Eaton <jwe@octave.org> parents: 7723 diff changeset	3318 // Convert CRLF into just LF and single CR into LF.
4540 491ac5f9d120 [project @ 2003-10-16 17:34:07 by jwe] jwe parents: 4486 diff changeset	3319
491ac5f9d120 [project @ 2003-10-16 17:34:07 by jwe] jwe parents: 4486 diff changeset	3320 if (c == '\r')
491ac5f9d120 [project @ 2003-10-16 17:34:07 by jwe] jwe parents: 4486 diff changeset	3321 {
12918 f3a8d1efe2c1 use gnulib:: qualifiers for more stdio functions John W. Eaton <jwe@octave.org> parents: 12719 diff changeset	3322 c = gnulib::getc (f);
4540 491ac5f9d120 [project @ 2003-10-16 17:34:07 by jwe] jwe parents: 4486 diff changeset	3323
8447 adab48231a03 make input_line_number work again John W. Eaton <jwe@octave.org> parents: 8311 diff changeset	3324 if (c != '\n')
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3325 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3326 ungetc (c, f);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3327 c = '\n';
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3328 }
4540 491ac5f9d120 [project @ 2003-10-16 17:34:07 by jwe] jwe parents: 4486 diff changeset	3329 }
8447 adab48231a03 make input_line_number work again John W. Eaton <jwe@octave.org> parents: 8311 diff changeset	3330
adab48231a03 make input_line_number work again John W. Eaton <jwe@octave.org> parents: 8311 diff changeset	3331 if (c == '\n')
7723 74f5e0c7de9e first pass at handling block comments John W. Eaton <jwe@octave.org> parents: 7720 diff changeset	3332 input_line_number++;
4540 491ac5f9d120 [project @ 2003-10-16 17:34:07 by jwe] jwe parents: 4486 diff changeset	3333
491ac5f9d120 [project @ 2003-10-16 17:34:07 by jwe] jwe parents: 4486 diff changeset	3334 return c;
491ac5f9d120 [project @ 2003-10-16 17:34:07 by jwe] jwe parents: 4486 diff changeset	3335 }
491ac5f9d120 [project @ 2003-10-16 17:34:07 by jwe] jwe parents: 4486 diff changeset	3336
7720 4e2eafef689c unify comment and help text processing in lex.l and parse.y John W. Eaton <jwe@octave.org> parents: 7719 diff changeset	3337 class
4e2eafef689c unify comment and help text processing in lex.l and parse.y John W. Eaton <jwe@octave.org> parents: 7719 diff changeset	3338 stdio_stream_reader : public stream_reader
3021 18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	3339 {
7720 4e2eafef689c unify comment and help text processing in lex.l and parse.y John W. Eaton <jwe@octave.org> parents: 7719 diff changeset	3340 public:
4e2eafef689c unify comment and help text processing in lex.l and parse.y John W. Eaton <jwe@octave.org> parents: 7719 diff changeset	3341 stdio_stream_reader (FILE *f_arg) : stream_reader (), f (f_arg) { }
4e2eafef689c unify comment and help text processing in lex.l and parse.y John W. Eaton <jwe@octave.org> parents: 7719 diff changeset	3342
4e2eafef689c unify comment and help text processing in lex.l and parse.y John W. Eaton <jwe@octave.org> parents: 7719 diff changeset	3343 int getc (void) { return ::text_getc (f); }
8447 adab48231a03 make input_line_number work again John W. Eaton <jwe@octave.org> parents: 8311 diff changeset	3344 int ungetc (int c)
adab48231a03 make input_line_number work again John W. Eaton <jwe@octave.org> parents: 8311 diff changeset	3345 {
adab48231a03 make input_line_number work again John W. Eaton <jwe@octave.org> parents: 8311 diff changeset	3346 if (c == '\n')
adab48231a03 make input_line_number work again John W. Eaton <jwe@octave.org> parents: 8311 diff changeset	3347 input_line_number--;
adab48231a03 make input_line_number work again John W. Eaton <jwe@octave.org> parents: 8311 diff changeset	3348
adab48231a03 make input_line_number work again John W. Eaton <jwe@octave.org> parents: 8311 diff changeset	3349 return ::ungetc (c, f);
adab48231a03 make input_line_number work again John W. Eaton <jwe@octave.org> parents: 8311 diff changeset	3350 }
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11572 diff changeset	3351
7720 4e2eafef689c unify comment and help text processing in lex.l and parse.y John W. Eaton <jwe@octave.org> parents: 7719 diff changeset	3352 private:
4e2eafef689c unify comment and help text processing in lex.l and parse.y John W. Eaton <jwe@octave.org> parents: 7719 diff changeset	3353 FILE *f;
12222 91fa3871e9bf oct-parse.yy (class stdio_stream_reader): disallow copying Pascal Dupuis <Pascal.Dupuis@uclouvain.be> parents: 11586 diff changeset	3354
91fa3871e9bf oct-parse.yy (class stdio_stream_reader): disallow copying Pascal Dupuis <Pascal.Dupuis@uclouvain.be> parents: 11586 diff changeset	3355 // No copying!
91fa3871e9bf oct-parse.yy (class stdio_stream_reader): disallow copying Pascal Dupuis <Pascal.Dupuis@uclouvain.be> parents: 11586 diff changeset	3356
91fa3871e9bf oct-parse.yy (class stdio_stream_reader): disallow copying Pascal Dupuis <Pascal.Dupuis@uclouvain.be> parents: 11586 diff changeset	3357 stdio_stream_reader (const stdio_stream_reader&);
91fa3871e9bf oct-parse.yy (class stdio_stream_reader): disallow copying Pascal Dupuis <Pascal.Dupuis@uclouvain.be> parents: 11586 diff changeset	3358
91fa3871e9bf oct-parse.yy (class stdio_stream_reader): disallow copying Pascal Dupuis <Pascal.Dupuis@uclouvain.be> parents: 11586 diff changeset	3359 stdio_stream_reader & operator = (const stdio_stream_reader&);
7720 4e2eafef689c unify comment and help text processing in lex.l and parse.y John W. Eaton <jwe@octave.org> parents: 7719 diff changeset	3360 };
4e2eafef689c unify comment and help text processing in lex.l and parse.y John W. Eaton <jwe@octave.org> parents: 7719 diff changeset	3361
4e2eafef689c unify comment and help text processing in lex.l and parse.y John W. Eaton <jwe@octave.org> parents: 7719 diff changeset	3362 static bool
4e2eafef689c unify comment and help text processing in lex.l and parse.y John W. Eaton <jwe@octave.org> parents: 7719 diff changeset	3363 skip_white_space (stream_reader& reader)
4e2eafef689c unify comment and help text processing in lex.l and parse.y John W. Eaton <jwe@octave.org> parents: 7719 diff changeset	3364 {
4e2eafef689c unify comment and help text processing in lex.l and parse.y John W. Eaton <jwe@octave.org> parents: 7719 diff changeset	3365 int c = 0;
4e2eafef689c unify comment and help text processing in lex.l and parse.y John W. Eaton <jwe@octave.org> parents: 7719 diff changeset	3366
4e2eafef689c unify comment and help text processing in lex.l and parse.y John W. Eaton <jwe@octave.org> parents: 7719 diff changeset	3367 while ((c = reader.getc ()) != EOF)
3021 18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	3368 {
7720 4e2eafef689c unify comment and help text processing in lex.l and parse.y John W. Eaton <jwe@octave.org> parents: 7719 diff changeset	3369 switch (c)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3370 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3371 case ' ':
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3372 case '\t':
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3373 current_input_column++;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3374 break;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3375
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3376 case '\n':
12638 fd367312095a oct-parse.yy (skip_white_space): Fix column number calculation. Daniel Kraft <d@domob.eu> parents: 12627 diff changeset	3377 current_input_column = 1;
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3378 break;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3379
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3380 default:
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3381 reader.ungetc (c);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3382 goto done;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3383 }
3021 18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	3384 }
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	3385
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	3386 done:
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	3387
7720 4e2eafef689c unify comment and help text processing in lex.l and parse.y John W. Eaton <jwe@octave.org> parents: 7719 diff changeset	3388 return (c == EOF);
3021 18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	3389 }
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	3390
9476 d9b25c5b8ee5 handle classdef syntax in lexer and parser Ryan Rusaw parents: 9474 diff changeset	3391 static bool
d9b25c5b8ee5 handle classdef syntax in lexer and parser Ryan Rusaw parents: 9474 diff changeset	3392 looking_at_classdef_keyword (FILE *ffile)
d9b25c5b8ee5 handle classdef syntax in lexer and parser Ryan Rusaw parents: 9474 diff changeset	3393 {
d9b25c5b8ee5 handle classdef syntax in lexer and parser Ryan Rusaw parents: 9474 diff changeset	3394 bool status = false;
d9b25c5b8ee5 handle classdef syntax in lexer and parser Ryan Rusaw parents: 9474 diff changeset	3395
12918 f3a8d1efe2c1 use gnulib:: qualifiers for more stdio functions John W. Eaton <jwe@octave.org> parents: 12719 diff changeset	3396 long pos = gnulib::ftell (ffile);
9476 d9b25c5b8ee5 handle classdef syntax in lexer and parser Ryan Rusaw parents: 9474 diff changeset	3397
d9b25c5b8ee5 handle classdef syntax in lexer and parser Ryan Rusaw parents: 9474 diff changeset	3398 char buf [10];
12918 f3a8d1efe2c1 use gnulib:: qualifiers for more stdio functions John W. Eaton <jwe@octave.org> parents: 12719 diff changeset	3399 gnulib::fgets (buf, 10, ffile);
9476 d9b25c5b8ee5 handle classdef syntax in lexer and parser Ryan Rusaw parents: 9474 diff changeset	3400 size_t len = strlen (buf);
d9b25c5b8ee5 handle classdef syntax in lexer and parser Ryan Rusaw parents: 9474 diff changeset	3401 if (len > 8 && strncmp (buf, "classdef", 8) == 0
d9b25c5b8ee5 handle classdef syntax in lexer and parser Ryan Rusaw parents: 9474 diff changeset	3402 && ! (isalnum (buf[8]) \|\| buf[8] == '_'))
d9b25c5b8ee5 handle classdef syntax in lexer and parser Ryan Rusaw parents: 9474 diff changeset	3403 status = true;
d9b25c5b8ee5 handle classdef syntax in lexer and parser Ryan Rusaw parents: 9474 diff changeset	3404
12918 f3a8d1efe2c1 use gnulib:: qualifiers for more stdio functions John W. Eaton <jwe@octave.org> parents: 12719 diff changeset	3405 gnulib::fseek (ffile, pos, SEEK_SET);
9476 d9b25c5b8ee5 handle classdef syntax in lexer and parser Ryan Rusaw parents: 9474 diff changeset	3406
d9b25c5b8ee5 handle classdef syntax in lexer and parser Ryan Rusaw parents: 9474 diff changeset	3407 return status;
d9b25c5b8ee5 handle classdef syntax in lexer and parser Ryan Rusaw parents: 9474 diff changeset	3408 }
d9b25c5b8ee5 handle classdef syntax in lexer and parser Ryan Rusaw parents: 9474 diff changeset	3409
7720 4e2eafef689c unify comment and help text processing in lex.l and parse.y John W. Eaton <jwe@octave.org> parents: 7719 diff changeset	3410 static std::string
4e2eafef689c unify comment and help text processing in lex.l and parse.y John W. Eaton <jwe@octave.org> parents: 7719 diff changeset	3411 gobble_leading_white_space (FILE *ffile, bool& eof)
3021 18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	3412 {
7720 4e2eafef689c unify comment and help text processing in lex.l and parse.y John W. Eaton <jwe@octave.org> parents: 7719 diff changeset	3413 std::string help_txt;
4e2eafef689c unify comment and help text processing in lex.l and parse.y John W. Eaton <jwe@octave.org> parents: 7719 diff changeset	3414
4e2eafef689c unify comment and help text processing in lex.l and parse.y John W. Eaton <jwe@octave.org> parents: 7719 diff changeset	3415 eof = false;
4e2eafef689c unify comment and help text processing in lex.l and parse.y John W. Eaton <jwe@octave.org> parents: 7719 diff changeset	3416
4e2eafef689c unify comment and help text processing in lex.l and parse.y John W. Eaton <jwe@octave.org> parents: 7719 diff changeset	3417 // TRUE means we have already cached the help text.
4e2eafef689c unify comment and help text processing in lex.l and parse.y John W. Eaton <jwe@octave.org> parents: 7719 diff changeset	3418 bool have_help_text = false;
4e2eafef689c unify comment and help text processing in lex.l and parse.y John W. Eaton <jwe@octave.org> parents: 7719 diff changeset	3419
4e2eafef689c unify comment and help text processing in lex.l and parse.y John W. Eaton <jwe@octave.org> parents: 7719 diff changeset	3420 std::string txt;
4e2eafef689c unify comment and help text processing in lex.l and parse.y John W. Eaton <jwe@octave.org> parents: 7719 diff changeset	3421
4e2eafef689c unify comment and help text processing in lex.l and parse.y John W. Eaton <jwe@octave.org> parents: 7719 diff changeset	3422 stdio_stream_reader stdio_reader (ffile);
4e2eafef689c unify comment and help text processing in lex.l and parse.y John W. Eaton <jwe@octave.org> parents: 7719 diff changeset	3423
4e2eafef689c unify comment and help text processing in lex.l and parse.y John W. Eaton <jwe@octave.org> parents: 7719 diff changeset	3424 while (true)
4e2eafef689c unify comment and help text processing in lex.l and parse.y John W. Eaton <jwe@octave.org> parents: 7719 diff changeset	3425 {
4e2eafef689c unify comment and help text processing in lex.l and parse.y John W. Eaton <jwe@octave.org> parents: 7719 diff changeset	3426 eof = skip_white_space (stdio_reader);
4e2eafef689c unify comment and help text processing in lex.l and parse.y John W. Eaton <jwe@octave.org> parents: 7719 diff changeset	3427
4e2eafef689c unify comment and help text processing in lex.l and parse.y John W. Eaton <jwe@octave.org> parents: 7719 diff changeset	3428 if (eof)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3429 break;
7720 4e2eafef689c unify comment and help text processing in lex.l and parse.y John W. Eaton <jwe@octave.org> parents: 7719 diff changeset	3430
7723 74f5e0c7de9e first pass at handling block comments John W. Eaton <jwe@octave.org> parents: 7720 diff changeset	3431 txt = grab_comment_block (stdio_reader, true, eof);
7720 4e2eafef689c unify comment and help text processing in lex.l and parse.y John W. Eaton <jwe@octave.org> parents: 7719 diff changeset	3432
4e2eafef689c unify comment and help text processing in lex.l and parse.y John W. Eaton <jwe@octave.org> parents: 7719 diff changeset	3433 if (txt.empty ())
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3434 break;
7720 4e2eafef689c unify comment and help text processing in lex.l and parse.y John W. Eaton <jwe@octave.org> parents: 7719 diff changeset	3435
4e2eafef689c unify comment and help text processing in lex.l and parse.y John W. Eaton <jwe@octave.org> parents: 7719 diff changeset	3436 if (! (have_help_text \|\| looks_like_copyright (txt)))
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3437 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3438 help_txt = txt;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3439 have_help_text = true;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3440 }
7720 4e2eafef689c unify comment and help text processing in lex.l and parse.y John W. Eaton <jwe@octave.org> parents: 7719 diff changeset	3441
4e2eafef689c unify comment and help text processing in lex.l and parse.y John W. Eaton <jwe@octave.org> parents: 7719 diff changeset	3442 octave_comment_buffer::append (txt);
4e2eafef689c unify comment and help text processing in lex.l and parse.y John W. Eaton <jwe@octave.org> parents: 7719 diff changeset	3443
4e2eafef689c unify comment and help text processing in lex.l and parse.y John W. Eaton <jwe@octave.org> parents: 7719 diff changeset	3444 if (eof)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3445 break;
7720 4e2eafef689c unify comment and help text processing in lex.l and parse.y John W. Eaton <jwe@octave.org> parents: 7719 diff changeset	3446 }
4e2eafef689c unify comment and help text processing in lex.l and parse.y John W. Eaton <jwe@octave.org> parents: 7719 diff changeset	3447
4e2eafef689c unify comment and help text processing in lex.l and parse.y John W. Eaton <jwe@octave.org> parents: 7719 diff changeset	3448 return help_txt;
3021 18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	3449 }
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	3450
7715 5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7699 diff changeset	3451 static bool
5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7699 diff changeset	3452 looking_at_function_keyword (FILE *ffile)
5931 25da9a7d5f6d [project @ 2006-08-16 06:52:19 by jwe] jwe parents: 5878 diff changeset	3453 {
7715 5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7699 diff changeset	3454 bool status = false;
3021 18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	3455
12918 f3a8d1efe2c1 use gnulib:: qualifiers for more stdio functions John W. Eaton <jwe@octave.org> parents: 12719 diff changeset	3456 long pos = gnulib::ftell (ffile);
3021 18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	3457
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	3458 char buf [10];
12918 f3a8d1efe2c1 use gnulib:: qualifiers for more stdio functions John W. Eaton <jwe@octave.org> parents: 12719 diff changeset	3459 gnulib::fgets (buf, 10, ffile);
7715 5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7699 diff changeset	3460 size_t len = strlen (buf);
3021 18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	3461 if (len > 8 && strncmp (buf, "function", 8) == 0
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	3462 && ! (isalnum (buf[8]) \|\| buf[8] == '_'))
7715 5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7699 diff changeset	3463 status = true;
3021 18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	3464
12918 f3a8d1efe2c1 use gnulib:: qualifiers for more stdio functions John W. Eaton <jwe@octave.org> parents: 12719 diff changeset	3465 gnulib::fseek (ffile, pos, SEEK_SET);
3021 18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	3466
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	3467 return status;
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	3468 }
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	3469
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	3470 static octave_function *
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	3471 parse_fcn_file (const std::string& ff, const std::string& dispatch_type,
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3472 bool force_script = false, bool require_file = true,
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3473 const std::string& warn_for = std::string ())
3021 18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	3474 {
10067 6f79338c269b omission from last patch Jaroslav Hajek <highegg@gmail.com> parents: 9794 diff changeset	3475 unwind_protect frame;
3021 18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	3476
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	3477 octave_function *fcn_ptr = 0;
3021 18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	3478
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	3479 // Open function file and parse.
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	3480
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	3481 FILE *in_stream = command_editor::get_input_stream ();
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	3482
10067 6f79338c269b omission from last patch Jaroslav Hajek <highegg@gmail.com> parents: 9794 diff changeset	3483 frame.add_fcn (command_editor::set_input_stream, in_stream);
6f79338c269b omission from last patch Jaroslav Hajek <highegg@gmail.com> parents: 9794 diff changeset	3484
6f79338c269b omission from last patch Jaroslav Hajek <highegg@gmail.com> parents: 9794 diff changeset	3485 frame.protect_var (ff_instream);
6f79338c269b omission from last patch Jaroslav Hajek <highegg@gmail.com> parents: 9794 diff changeset	3486
6f79338c269b omission from last patch Jaroslav Hajek <highegg@gmail.com> parents: 9794 diff changeset	3487 frame.protect_var (input_line_number);
6f79338c269b omission from last patch Jaroslav Hajek <highegg@gmail.com> parents: 9794 diff changeset	3488 frame.protect_var (current_input_column);
6f79338c269b omission from last patch Jaroslav Hajek <highegg@gmail.com> parents: 9794 diff changeset	3489 frame.protect_var (reading_fcn_file);
6f79338c269b omission from last patch Jaroslav Hajek <highegg@gmail.com> parents: 9794 diff changeset	3490 frame.protect_var (line_editing);
6f79338c269b omission from last patch Jaroslav Hajek <highegg@gmail.com> parents: 9794 diff changeset	3491 frame.protect_var (current_class_name);
6f79338c269b omission from last patch Jaroslav Hajek <highegg@gmail.com> parents: 9794 diff changeset	3492 frame.protect_var (current_function_depth);
6f79338c269b omission from last patch Jaroslav Hajek <highegg@gmail.com> parents: 9794 diff changeset	3493 frame.protect_var (max_function_depth);
6f79338c269b omission from last patch Jaroslav Hajek <highegg@gmail.com> parents: 9794 diff changeset	3494 frame.protect_var (parsing_subfunctions);
6f79338c269b omission from last patch Jaroslav Hajek <highegg@gmail.com> parents: 9794 diff changeset	3495 frame.protect_var (endfunction_found);
3021 18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	3496
8447 adab48231a03 make input_line_number work again John W. Eaton <jwe@octave.org> parents: 8311 diff changeset	3497 input_line_number = 1;
3021 18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	3498 current_input_column = 1;
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	3499 reading_fcn_file = true;
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	3500 line_editing = false;
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	3501 current_class_name = dispatch_type;
9474 25ed2d6aacf6 Parse nested functions more accurately. David Grundberg <individ@acc.umu.se> parents: 9471 diff changeset	3502 current_function_depth = 0;
25ed2d6aacf6 Parse nested functions more accurately. David Grundberg <individ@acc.umu.se> parents: 9471 diff changeset	3503 max_function_depth = 0;
25ed2d6aacf6 Parse nested functions more accurately. David Grundberg <individ@acc.umu.se> parents: 9471 diff changeset	3504 parsing_subfunctions = false;
25ed2d6aacf6 Parse nested functions more accurately. David Grundberg <individ@acc.umu.se> parents: 9471 diff changeset	3505 endfunction_found = false;
3021 18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	3506
12989 00235a6446da eliminate duplication of internal variables controlling command history John W. Eaton <jwe@octave.org> parents: 12973 diff changeset	3507 frame.add_fcn (command_history::ignore_entries,
00235a6446da eliminate duplication of internal variables controlling command history John W. Eaton <jwe@octave.org> parents: 12973 diff changeset	3508 command_history::ignoring_entries ());
00235a6446da eliminate duplication of internal variables controlling command history John W. Eaton <jwe@octave.org> parents: 12973 diff changeset	3509
7715 5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7699 diff changeset	3510 command_history::ignore_entries ();
5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7699 diff changeset	3511
3021 18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	3512 FILE *ffile = get_input_from_file (ff, 0);
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	3513
10067 6f79338c269b omission from last patch Jaroslav Hajek <highegg@gmail.com> parents: 9794 diff changeset	3514 frame.add_fcn (safe_fclose, ffile);
3021 18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	3515
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	3516 if (ffile)
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	3517 {
7720 4e2eafef689c unify comment and help text processing in lex.l and parse.y John W. Eaton <jwe@octave.org> parents: 7719 diff changeset	3518 bool eof;
4e2eafef689c unify comment and help text processing in lex.l and parse.y John W. Eaton <jwe@octave.org> parents: 7719 diff changeset	3519
4e2eafef689c unify comment and help text processing in lex.l and parse.y John W. Eaton <jwe@octave.org> parents: 7719 diff changeset	3520 std::string help_txt = gobble_leading_white_space (ffile, eof);
4e2eafef689c unify comment and help text processing in lex.l and parse.y John W. Eaton <jwe@octave.org> parents: 7719 diff changeset	3521
10872 988d16d5ae34 correctly .m files that are empty or contain only comments John W. Eaton <jwe@octave.org> parents: 10659 diff changeset	3522 if (! help_txt.empty ())
988d16d5ae34 correctly .m files that are empty or contain only comments John W. Eaton <jwe@octave.org> parents: 10659 diff changeset	3523 help_buf.push (help_txt);
988d16d5ae34 correctly .m files that are empty or contain only comments John W. Eaton <jwe@octave.org> parents: 10659 diff changeset	3524
7720 4e2eafef689c unify comment and help text processing in lex.l and parse.y John W. Eaton <jwe@octave.org> parents: 7719 diff changeset	3525 if (! eof)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3526 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3527 std::string file_type;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3528
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3529 frame.protect_var (get_input_from_eval_string);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3530 frame.protect_var (parser_end_of_input);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3531 frame.protect_var (reading_fcn_file);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3532 frame.protect_var (reading_script_file);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3533 frame.protect_var (reading_classdef_file);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3534 frame.protect_var (Vecho_executing_commands);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3535
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3536
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3537 get_input_from_eval_string = false;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3538 parser_end_of_input = false;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3539
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3540 if (! force_script && looking_at_function_keyword (ffile))
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3541 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3542 file_type = "function";
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3543
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3544 Vecho_executing_commands = ECHO_OFF;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3545
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3546 reading_classdef_file = false;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3547 reading_fcn_file = true;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3548 reading_script_file = false;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3549 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3550 else if (! force_script && looking_at_classdef_keyword (ffile))
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3551 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3552 file_type = "classdef";
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3553
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3554 Vecho_executing_commands = ECHO_OFF;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3555
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3556 reading_classdef_file = true;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3557 reading_fcn_file = false;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3558 reading_script_file = false;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3559 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3560 else
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3561 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3562 file_type = "script";
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3563
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3564 Vecho_executing_commands = ECHO_OFF;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3565
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3566 reading_classdef_file = false;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3567 reading_fcn_file = false;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3568 reading_script_file = true;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3569 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3570
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3571 YY_BUFFER_STATE old_buf = current_buffer ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3572 YY_BUFFER_STATE new_buf = create_buffer (ffile);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3573
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3574 frame.add_fcn (switch_to_buffer, old_buf);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3575 frame.add_fcn (delete_buffer, new_buf);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3576
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3577 switch_to_buffer (new_buf);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3578
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3579 frame.protect_var (primary_fcn_ptr);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3580 primary_fcn_ptr = 0;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3581
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3582 reset_parser ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3583
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3584 // Do this with an unwind-protect cleanup function so that
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3585 // the forced variables will be unmarked in the event of an
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11572 diff changeset	3586 // interrupt.
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3587 symbol_table::scope_id scope = symbol_table::top_scope ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3588 frame.add_fcn (symbol_table::unmark_forced_variables, scope);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3589
10879 5af852c93af3 oct-parse.yy: Restore parsing of help text. Rik <octave@nomad.inbox5.com> parents: 10872 diff changeset	3590 if (! help_txt.empty ())
5af852c93af3 oct-parse.yy: Restore parsing of help text. Rik <octave@nomad.inbox5.com> parents: 10872 diff changeset	3591 help_buf.push (help_txt);
5af852c93af3 oct-parse.yy: Restore parsing of help text. Rik <octave@nomad.inbox5.com> parents: 10872 diff changeset	3592
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3593 if (reading_script_file)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3594 prep_lexer_for_script_file ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3595 else
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3596 prep_lexer_for_function_file ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3597
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3598 lexer_flags.parsing_class_method = ! dispatch_type.empty ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3599
11258 795c97ace02c eliminate some possible memory leaks John W. Eaton <jwe@octave.org> parents: 11225 diff changeset	3600 frame.protect_var (global_command);
795c97ace02c eliminate some possible memory leaks John W. Eaton <jwe@octave.org> parents: 11225 diff changeset	3601
795c97ace02c eliminate some possible memory leaks John W. Eaton <jwe@octave.org> parents: 11225 diff changeset	3602 global_command = 0;
795c97ace02c eliminate some possible memory leaks John W. Eaton <jwe@octave.org> parents: 11225 diff changeset	3603
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3604 int status = yyparse ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3605
11258 795c97ace02c eliminate some possible memory leaks John W. Eaton <jwe@octave.org> parents: 11225 diff changeset	3606 delete global_command;
795c97ace02c eliminate some possible memory leaks John W. Eaton <jwe@octave.org> parents: 11225 diff changeset	3607
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3608 fcn_ptr = primary_fcn_ptr;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3609
12400 5252f12537f8 don't warn about coercing nested functions to subfunctions if yyparse failed John W. Eaton <jwe@octave.org> parents: 12222 diff changeset	3610 if (status != 0)
5252f12537f8 don't warn about coercing nested functions to subfunctions if yyparse failed John W. Eaton <jwe@octave.org> parents: 12222 diff changeset	3611 error ("parse error while reading %s file %s",
5252f12537f8 don't warn about coercing nested functions to subfunctions if yyparse failed John W. Eaton <jwe@octave.org> parents: 12222 diff changeset	3612 file_type.c_str(), ff.c_str ());
5252f12537f8 don't warn about coercing nested functions to subfunctions if yyparse failed John W. Eaton <jwe@octave.org> parents: 12222 diff changeset	3613 else if (reading_fcn_file && endfunction_found
5252f12537f8 don't warn about coercing nested functions to subfunctions if yyparse failed John W. Eaton <jwe@octave.org> parents: 12222 diff changeset	3614 && max_function_depth > 1)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3615 warning_with_id ("Octave:nested-functions-coerced",
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3616 "nested functions are coerced into subfunctions "
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3617 "in file %s", ff.c_str ());
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3618 }
10872 988d16d5ae34 correctly .m files that are empty or contain only comments John W. Eaton <jwe@octave.org> parents: 10659 diff changeset	3619 else
988d16d5ae34 correctly .m files that are empty or contain only comments John W. Eaton <jwe@octave.org> parents: 10659 diff changeset	3620 {
988d16d5ae34 correctly .m files that are empty or contain only comments John W. Eaton <jwe@octave.org> parents: 10659 diff changeset	3621 tree_statement *end_of_script
988d16d5ae34 correctly .m files that are empty or contain only comments John W. Eaton <jwe@octave.org> parents: 10659 diff changeset	3622 = make_end ("endscript", input_line_number, current_input_column);
988d16d5ae34 correctly .m files that are empty or contain only comments John W. Eaton <jwe@octave.org> parents: 10659 diff changeset	3623
988d16d5ae34 correctly .m files that are empty or contain only comments John W. Eaton <jwe@octave.org> parents: 10659 diff changeset	3624 make_script (0, end_of_script);
988d16d5ae34 correctly .m files that are empty or contain only comments John W. Eaton <jwe@octave.org> parents: 10659 diff changeset	3625
988d16d5ae34 correctly .m files that are empty or contain only comments John W. Eaton <jwe@octave.org> parents: 10659 diff changeset	3626 fcn_ptr = primary_fcn_ptr;
988d16d5ae34 correctly .m files that are empty or contain only comments John W. Eaton <jwe@octave.org> parents: 10659 diff changeset	3627 }
3021 18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	3628 }
7715 5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7699 diff changeset	3629 else if (require_file)
3880 c21ae2c5840f [project @ 2002-03-26 02:23:06 by jwe] jwe parents: 3877 diff changeset	3630 error ("no such file, `%s'", ff.c_str ());
7715 5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7699 diff changeset	3631 else if (! warn_for.empty ())
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11572 diff changeset	3632 error ("%s: unable to open file `%s'", warn_for.c_str (), ff.c_str ());
3021 18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	3633
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	3634 return fcn_ptr;
3021 18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	3635 }
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	3636
5484 2ff5363a16bd [project @ 2005-10-06 17:12:12 by jwe] jwe parents: 5472 diff changeset	3637 std::string
7715 5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7699 diff changeset	3638 get_help_from_file (const std::string& nm, bool& symbol_found,
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3639 std::string& file)
7715 5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7699 diff changeset	3640 {
5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7699 diff changeset	3641 std::string retval;
5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7699 diff changeset	3642
5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7699 diff changeset	3643 file = fcn_file_in_path (nm);
5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7699 diff changeset	3644
5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7699 diff changeset	3645 if (! file.empty ())
5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7699 diff changeset	3646 {
5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7699 diff changeset	3647 symbol_found = true;
5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7699 diff changeset	3648
5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7699 diff changeset	3649 FILE *fptr = fopen (file.c_str (), "r");
5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7699 diff changeset	3650
5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7699 diff changeset	3651 if (fptr)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3652 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3653 unwind_protect frame;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3654 frame.add_fcn (safe_fclose, fptr);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3655
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3656 bool eof;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3657 retval = gobble_leading_white_space (fptr, eof);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3658
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3659 if (retval.empty ())
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3660 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3661 octave_function *fcn = parse_fcn_file (file, "");
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3662
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3663 if (fcn)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3664 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3665 retval = fcn->doc_string ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3666
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3667 delete fcn;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3668 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3669 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3670 }
7715 5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7699 diff changeset	3671 }
5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7699 diff changeset	3672
5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7699 diff changeset	3673 return retval;
5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7699 diff changeset	3674 }
5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7699 diff changeset	3675
5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7699 diff changeset	3676 std::string
5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7699 diff changeset	3677 get_help_from_file (const std::string& nm, bool& symbol_found)
5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7699 diff changeset	3678 {
5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7699 diff changeset	3679 std::string file;
5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7699 diff changeset	3680 return get_help_from_file (nm, symbol_found, file);
5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7699 diff changeset	3681 }
5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7699 diff changeset	3682
5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7699 diff changeset	3683 std::string
5484 2ff5363a16bd [project @ 2005-10-06 17:12:12 by jwe] jwe parents: 5472 diff changeset	3684 lookup_autoload (const std::string& nm)
2ff5363a16bd [project @ 2005-10-06 17:12:12 by jwe] jwe parents: 5472 diff changeset	3685 {
5626 3236b4d98fde [project @ 2006-02-15 20:25:39 by jwe] jwe parents: 5615 diff changeset	3686 std::string retval;
3236b4d98fde [project @ 2006-02-15 20:25:39 by jwe] jwe parents: 5615 diff changeset	3687
3236b4d98fde [project @ 2006-02-15 20:25:39 by jwe] jwe parents: 5615 diff changeset	3688 typedef std::map<std::string, std::string>::const_iterator am_iter;
3236b4d98fde [project @ 2006-02-15 20:25:39 by jwe] jwe parents: 5615 diff changeset	3689
3236b4d98fde [project @ 2006-02-15 20:25:39 by jwe] jwe parents: 5615 diff changeset	3690 am_iter p = autoload_map.find (nm);
3236b4d98fde [project @ 2006-02-15 20:25:39 by jwe] jwe parents: 5615 diff changeset	3691
3236b4d98fde [project @ 2006-02-15 20:25:39 by jwe] jwe parents: 5615 diff changeset	3692 if (p != autoload_map.end ())
6323 ea65de49e18e [project @ 2007-02-17 02:51:02 by jwe] jwe parents: 6238 diff changeset	3693 retval = load_path::find_file (p->second);
5626 3236b4d98fde [project @ 2006-02-15 20:25:39 by jwe] jwe parents: 5615 diff changeset	3694
3236b4d98fde [project @ 2006-02-15 20:25:39 by jwe] jwe parents: 5615 diff changeset	3695 return retval;
5484 2ff5363a16bd [project @ 2005-10-06 17:12:12 by jwe] jwe parents: 5472 diff changeset	3696 }
2ff5363a16bd [project @ 2005-10-06 17:12:12 by jwe] jwe parents: 5472 diff changeset	3697
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11572 diff changeset	3698 string_vector
5592 61d6cebd243b [project @ 2006-01-12 17:55:22 by dbateman] dbateman parents: 5484 diff changeset	3699 autoloaded_functions (void)
61d6cebd243b [project @ 2006-01-12 17:55:22 by dbateman] dbateman parents: 5484 diff changeset	3700 {
61d6cebd243b [project @ 2006-01-12 17:55:22 by dbateman] dbateman parents: 5484 diff changeset	3701 string_vector names (autoload_map.size());
61d6cebd243b [project @ 2006-01-12 17:55:22 by dbateman] dbateman parents: 5484 diff changeset	3702
61d6cebd243b [project @ 2006-01-12 17:55:22 by dbateman] dbateman parents: 5484 diff changeset	3703 octave_idx_type i = 0;
5626 3236b4d98fde [project @ 2006-02-15 20:25:39 by jwe] jwe parents: 5615 diff changeset	3704 typedef std::map<std::string, std::string>::const_iterator am_iter;
3236b4d98fde [project @ 2006-02-15 20:25:39 by jwe] jwe parents: 5615 diff changeset	3705 for (am_iter p = autoload_map.begin (); p != autoload_map.end (); p++)
5592 61d6cebd243b [project @ 2006-01-12 17:55:22 by dbateman] dbateman parents: 5484 diff changeset	3706 names[i++] = p->first;
61d6cebd243b [project @ 2006-01-12 17:55:22 by dbateman] dbateman parents: 5484 diff changeset	3707
61d6cebd243b [project @ 2006-01-12 17:55:22 by dbateman] dbateman parents: 5484 diff changeset	3708 return names;
61d6cebd243b [project @ 2006-01-12 17:55:22 by dbateman] dbateman parents: 5484 diff changeset	3709 }
61d6cebd243b [project @ 2006-01-12 17:55:22 by dbateman] dbateman parents: 5484 diff changeset	3710
61d6cebd243b [project @ 2006-01-12 17:55:22 by dbateman] dbateman parents: 5484 diff changeset	3711 string_vector
61d6cebd243b [project @ 2006-01-12 17:55:22 by dbateman] dbateman parents: 5484 diff changeset	3712 reverse_lookup_autoload (const std::string& nm)
61d6cebd243b [project @ 2006-01-12 17:55:22 by dbateman] dbateman parents: 5484 diff changeset	3713 {
61d6cebd243b [project @ 2006-01-12 17:55:22 by dbateman] dbateman parents: 5484 diff changeset	3714 string_vector names;
61d6cebd243b [project @ 2006-01-12 17:55:22 by dbateman] dbateman parents: 5484 diff changeset	3715
5626 3236b4d98fde [project @ 2006-02-15 20:25:39 by jwe] jwe parents: 5615 diff changeset	3716 typedef std::map<std::string, std::string>::const_iterator am_iter;
3236b4d98fde [project @ 2006-02-15 20:25:39 by jwe] jwe parents: 5615 diff changeset	3717 for (am_iter p = autoload_map.begin (); p != autoload_map.end (); p++)
5592 61d6cebd243b [project @ 2006-01-12 17:55:22 by dbateman] dbateman parents: 5484 diff changeset	3718 if (nm == p->second)
61d6cebd243b [project @ 2006-01-12 17:55:22 by dbateman] dbateman parents: 5484 diff changeset	3719 names.append (p->first);
61d6cebd243b [project @ 2006-01-12 17:55:22 by dbateman] dbateman parents: 5484 diff changeset	3720
61d6cebd243b [project @ 2006-01-12 17:55:22 by dbateman] dbateman parents: 5484 diff changeset	3721 return names;
61d6cebd243b [project @ 2006-01-12 17:55:22 by dbateman] dbateman parents: 5484 diff changeset	3722 }
61d6cebd243b [project @ 2006-01-12 17:55:22 by dbateman] dbateman parents: 5484 diff changeset	3723
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	3724 octave_function *
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	3725 load_fcn_from_file (const std::string& file_name, const std::string& dir_name,
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3726 const std::string& dispatch_type,
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3727 const std::string& fcn_name, bool autoload)
3021 18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	3728 {
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	3729 octave_function *retval = 0;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	3730
10067 6f79338c269b omission from last patch Jaroslav Hajek <highegg@gmail.com> parents: 9794 diff changeset	3731 unwind_protect frame;
5484 2ff5363a16bd [project @ 2005-10-06 17:12:12 by jwe] jwe parents: 5472 diff changeset	3732
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	3733 std::string nm = file_name;
6238 3ecd8d2c5654 [project @ 2007-01-10 21:13:21 by jwe] jwe parents: 6235 diff changeset	3734
3ecd8d2c5654 [project @ 2007-01-10 21:13:21 by jwe] jwe parents: 6235 diff changeset	3735 size_t nm_len = nm.length ();
5472 e2f85b298a74 [project @ 2005-09-23 21:10:36 by jwe] jwe parents: 5400 diff changeset	3736
e2f85b298a74 [project @ 2005-09-23 21:10:36 by jwe] jwe parents: 5400 diff changeset	3737 std::string file;
e2f85b298a74 [project @ 2005-09-23 21:10:36 by jwe] jwe parents: 5400 diff changeset	3738
10067 6f79338c269b omission from last patch Jaroslav Hajek <highegg@gmail.com> parents: 9794 diff changeset	3739 frame.protect_var (fcn_file_from_relative_lookup);
6323 ea65de49e18e [project @ 2007-02-17 02:51:02 by jwe] jwe parents: 6238 diff changeset	3740
ea65de49e18e [project @ 2007-02-17 02:51:02 by jwe] jwe parents: 6238 diff changeset	3741 fcn_file_from_relative_lookup = false;
ea65de49e18e [project @ 2007-02-17 02:51:02 by jwe] jwe parents: 6238 diff changeset	3742
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	3743 file = nm;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	3744
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	3745 if ((nm_len > 4 && nm.substr (nm_len-4) == ".oct")
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	3746 \|\| (nm_len > 4 && nm.substr (nm_len-4) == ".mex")
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	3747 \|\| (nm_len > 2 && nm.substr (nm_len-2) == ".m"))
5472 e2f85b298a74 [project @ 2005-09-23 21:10:36 by jwe] jwe parents: 5400 diff changeset	3748 {
6238 3ecd8d2c5654 [project @ 2007-01-10 21:13:21 by jwe] jwe parents: 6235 diff changeset	3749 nm = octave_env::base_pathname (file);
3ecd8d2c5654 [project @ 2007-01-10 21:13:21 by jwe] jwe parents: 6235 diff changeset	3750 nm = nm.substr (0, nm.find_last_of ('.'));
11136 a51ac4198e1c oct-parse.yy (load_fcn_from_file): also strip directory when computing function name from filename John W. Eaton <jwe@octave.org> parents: 11091 diff changeset	3751
a51ac4198e1c oct-parse.yy (load_fcn_from_file): also strip directory when computing function name from filename John W. Eaton <jwe@octave.org> parents: 11091 diff changeset	3752 size_t pos = nm.find_last_of (file_ops::dir_sep_str ());
a51ac4198e1c oct-parse.yy (load_fcn_from_file): also strip directory when computing function name from filename John W. Eaton <jwe@octave.org> parents: 11091 diff changeset	3753 if (pos != std::string::npos)
11138 40206fe759db oct-parse.yy: fix typo in previous change John W. Eaton <jwe@octave.org> parents: 11136 diff changeset	3754 nm = nm.substr (pos+1);
5472 e2f85b298a74 [project @ 2005-09-23 21:10:36 by jwe] jwe parents: 5400 diff changeset	3755 }
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	3756
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	3757 if (autoload)
5472 e2f85b298a74 [project @ 2005-09-23 21:10:36 by jwe] jwe parents: 5400 diff changeset	3758 {
10067 6f79338c269b omission from last patch Jaroslav Hajek <highegg@gmail.com> parents: 9794 diff changeset	3759 frame.protect_var (autoloading);
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	3760 autoloading = true;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	3761 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	3762
7749 14e05160b99f reference counting for functions loaded from shared libraries John W. Eaton <jwe@octave.org> parents: 7736 diff changeset	3763 fcn_file_from_relative_lookup = ! octave_env::absolute_pathname (file);
14e05160b99f reference counting for functions loaded from shared libraries John W. Eaton <jwe@octave.org> parents: 7736 diff changeset	3764
10250 2d47356a7a1a use gnulib getcwd module John W. Eaton <jwe@octave.org> parents: 10230 diff changeset	3765 file = octave_env::make_absolute (file);
4243 7e4d5b5520e5 [project @ 2002-12-27 05:30:59 by jwe] jwe parents: 4240 diff changeset	3766
7e4d5b5520e5 [project @ 2002-12-27 05:30:59 by jwe] jwe parents: 4240 diff changeset	3767 int len = file.length ();
7e4d5b5520e5 [project @ 2002-12-27 05:30:59 by jwe] jwe parents: 4240 diff changeset	3768
4244 189df16144fc [project @ 2002-12-28 02:00:05 by jwe] jwe parents: 4243 diff changeset	3769 if (len > 4 && file.substr (len-4, len-1) == ".oct")
3021 18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	3770 {
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	3771 if (autoload && ! fcn_name.empty ())
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3772 nm = fcn_name;
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	3773
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	3774 retval = octave_dynamic_loader::load_oct (nm, file, fcn_file_from_relative_lookup);
5864 e884ab4f29ee [project @ 2006-06-22 00:57:27 by jwe] jwe parents: 5861 diff changeset	3775 }
e884ab4f29ee [project @ 2006-06-22 00:57:27 by jwe] jwe parents: 5861 diff changeset	3776 else if (len > 4 && file.substr (len-4, len-1) == ".mex")
10570 a61d7248627c When loading a mex-file temporarily load the m-file version to get the help string (bug #29427) David Bateman <dbateman@free.fr> parents: 10521 diff changeset	3777 {
a61d7248627c When loading a mex-file temporarily load the m-file version to get the help string (bug #29427) David Bateman <dbateman@free.fr> parents: 10521 diff changeset	3778 // Temporarily load m-file version of mex-file, if it exists,
a61d7248627c When loading a mex-file temporarily load the m-file version to get the help string (bug #29427) David Bateman <dbateman@free.fr> parents: 10521 diff changeset	3779 // to get the help-string to use.
a61d7248627c When loading a mex-file temporarily load the m-file version to get the help string (bug #29427) David Bateman <dbateman@free.fr> parents: 10521 diff changeset	3780 frame.protect_var (curr_fcn_file_name);
a61d7248627c When loading a mex-file temporarily load the m-file version to get the help string (bug #29427) David Bateman <dbateman@free.fr> parents: 10521 diff changeset	3781 frame.protect_var (curr_fcn_file_full_name);
a61d7248627c When loading a mex-file temporarily load the m-file version to get the help string (bug #29427) David Bateman <dbateman@free.fr> parents: 10521 diff changeset	3782
a61d7248627c When loading a mex-file temporarily load the m-file version to get the help string (bug #29427) David Bateman <dbateman@free.fr> parents: 10521 diff changeset	3783 curr_fcn_file_name = nm;
a61d7248627c When loading a mex-file temporarily load the m-file version to get the help string (bug #29427) David Bateman <dbateman@free.fr> parents: 10521 diff changeset	3784 curr_fcn_file_full_name = file.substr (0, len - 2);
a61d7248627c When loading a mex-file temporarily load the m-file version to get the help string (bug #29427) David Bateman <dbateman@free.fr> parents: 10521 diff changeset	3785
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11572 diff changeset	3786 octave_function *tmpfcn = parse_fcn_file (file.substr (0, len - 2),
12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11572 diff changeset	3787 dispatch_type, autoloading,
10570 a61d7248627c When loading a mex-file temporarily load the m-file version to get the help string (bug #29427) David Bateman <dbateman@free.fr> parents: 10521 diff changeset	3788 false);
a61d7248627c When loading a mex-file temporarily load the m-file version to get the help string (bug #29427) David Bateman <dbateman@free.fr> parents: 10521 diff changeset	3789
a61d7248627c When loading a mex-file temporarily load the m-file version to get the help string (bug #29427) David Bateman <dbateman@free.fr> parents: 10521 diff changeset	3790 retval = octave_dynamic_loader::load_mex (nm, file, fcn_file_from_relative_lookup);
a61d7248627c When loading a mex-file temporarily load the m-file version to get the help string (bug #29427) David Bateman <dbateman@free.fr> parents: 10521 diff changeset	3791
a61d7248627c When loading a mex-file temporarily load the m-file version to get the help string (bug #29427) David Bateman <dbateman@free.fr> parents: 10521 diff changeset	3792 if (tmpfcn)
a61d7248627c When loading a mex-file temporarily load the m-file version to get the help string (bug #29427) David Bateman <dbateman@free.fr> parents: 10521 diff changeset	3793 retval->document (tmpfcn->doc_string ());
a61d7248627c When loading a mex-file temporarily load the m-file version to get the help string (bug #29427) David Bateman <dbateman@free.fr> parents: 10521 diff changeset	3794 delete tmpfcn;
a61d7248627c When loading a mex-file temporarily load the m-file version to get the help string (bug #29427) David Bateman <dbateman@free.fr> parents: 10521 diff changeset	3795 }
4244 189df16144fc [project @ 2002-12-28 02:00:05 by jwe] jwe parents: 4243 diff changeset	3796 else if (len > 2)
3021 18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	3797 {
7715 5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7699 diff changeset	3798 // These are needed by yyparse.
5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7699 diff changeset	3799
10067 6f79338c269b omission from last patch Jaroslav Hajek <highegg@gmail.com> parents: 9794 diff changeset	3800 frame.protect_var (curr_fcn_file_name);
6f79338c269b omission from last patch Jaroslav Hajek <highegg@gmail.com> parents: 9794 diff changeset	3801 frame.protect_var (curr_fcn_file_full_name);
7715 5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7699 diff changeset	3802
5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7699 diff changeset	3803 curr_fcn_file_name = nm;
5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7699 diff changeset	3804 curr_fcn_file_full_name = file;
5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7699 diff changeset	3805
5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7699 diff changeset	3806 retval = parse_fcn_file (file, dispatch_type, autoloading);
3021 18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	3807 }
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	3808
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	3809 if (retval)
8819 96d87674b818 also stash directory name for subfunctions John W. Eaton <jwe@octave.org> parents: 8812 diff changeset	3810 {
96d87674b818 also stash directory name for subfunctions John W. Eaton <jwe@octave.org> parents: 8812 diff changeset	3811 retval->stash_dir_name (dir_name);
96d87674b818 also stash directory name for subfunctions John W. Eaton <jwe@octave.org> parents: 8812 diff changeset	3812
96d87674b818 also stash directory name for subfunctions John W. Eaton <jwe@octave.org> parents: 8812 diff changeset	3813 if (retval->is_user_function ())
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3814 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3815 symbol_table::scope_id id = retval->scope ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3816
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3817 symbol_table::stash_dir_name_for_subfunctions (id, dir_name);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3818 }
8819 96d87674b818 also stash directory name for subfunctions John W. Eaton <jwe@octave.org> parents: 8812 diff changeset	3819 }
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	3820
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	3821 return retval;
5312 80c1aa832cb2 [project @ 2005-04-28 01:54:46 by jwe] jwe parents: 5309 diff changeset	3822 }
80c1aa832cb2 [project @ 2005-04-28 01:54:46 by jwe] jwe parents: 5309 diff changeset	3823
8746 5dd06f19e9be handle commands in the lexer John W. Eaton <jwe@octave.org> parents: 8745 diff changeset	3824 DEFUN (autoload, args, ,
5484 2ff5363a16bd [project @ 2005-10-06 17:12:12 by jwe] jwe parents: 5472 diff changeset	3825 "-- texinfo --\n\
2ff5363a16bd [project @ 2005-10-06 17:12:12 by jwe] jwe parents: 5472 diff changeset	3826 @deftypefn {Built-in Function} {} autoload (@var{function}, @var{file})\n\
2ff5363a16bd [project @ 2005-10-06 17:12:12 by jwe] jwe parents: 5472 diff changeset	3827 Define @var{function} to autoload from @var{file}.\n\
5626 3236b4d98fde [project @ 2006-02-15 20:25:39 by jwe] jwe parents: 5615 diff changeset	3828 \n\
6926 c05fbb1b7e1f [project @ 2007-09-26 19:56:54 by dbateman] dbateman parents: 6657 diff changeset	3829 The second argument, @var{file}, should be an absolute file name or\n\
c05fbb1b7e1f [project @ 2007-09-26 19:56:54 by dbateman] dbateman parents: 6657 diff changeset	3830 a file name in the same directory as the function or script from which\n\
9038 fca0dc2fb042 Cleanup documentation files stmt.texi and func.texi Rik <rdrider0-list@yahoo.com> parents: 8974 diff changeset	3831 the autoload command was run. @var{file} should not depend on the\n\
6926 c05fbb1b7e1f [project @ 2007-09-26 19:56:54 by dbateman] dbateman parents: 6657 diff changeset	3832 Octave load path.\n\
6380 ac3d67504f85 [project @ 2007-03-02 22:08:06 by jwe] jwe parents: 6379 diff changeset	3833 \n\
ac3d67504f85 [project @ 2007-03-02 22:08:06 by jwe] jwe parents: 6379 diff changeset	3834 Normally, calls to @code{autoload} appear in PKG_ADD script files that\n\
ac3d67504f85 [project @ 2007-03-02 22:08:06 by jwe] jwe parents: 6379 diff changeset	3835 are evaluated when a directory is added to the Octave's load path. To\n\
6926 c05fbb1b7e1f [project @ 2007-09-26 19:56:54 by dbateman] dbateman parents: 6657 diff changeset	3836 avoid having to hardcode directory names in @var{file}, if @var{file}\n\
c05fbb1b7e1f [project @ 2007-09-26 19:56:54 by dbateman] dbateman parents: 6657 diff changeset	3837 is in the same directory as the PKG_ADD script then\n\
6380 ac3d67504f85 [project @ 2007-03-02 22:08:06 by jwe] jwe parents: 6379 diff changeset	3838 \n\
ac3d67504f85 [project @ 2007-03-02 22:08:06 by jwe] jwe parents: 6379 diff changeset	3839 @example\n\
6926 c05fbb1b7e1f [project @ 2007-09-26 19:56:54 by dbateman] dbateman parents: 6657 diff changeset	3840 autoload (\"foo\", \"bar.oct\");\n\
6380 ac3d67504f85 [project @ 2007-03-02 22:08:06 by jwe] jwe parents: 6379 diff changeset	3841 @end example\n\
ac3d67504f85 [project @ 2007-03-02 22:08:06 by jwe] jwe parents: 6379 diff changeset	3842 \n\
11572 7d6d8c1e471f Grammarcheck Texinfo for files in src directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	3843 @noindent\n\
9038 fca0dc2fb042 Cleanup documentation files stmt.texi and func.texi Rik <rdrider0-list@yahoo.com> parents: 8974 diff changeset	3844 will load the function @code{foo} from the file @code{bar.oct}. The above\n\
6926 c05fbb1b7e1f [project @ 2007-09-26 19:56:54 by dbateman] dbateman parents: 6657 diff changeset	3845 when @code{bar.oct} is not in the same directory or uses like\n\
6380 ac3d67504f85 [project @ 2007-03-02 22:08:06 by jwe] jwe parents: 6379 diff changeset	3846 \n\
ac3d67504f85 [project @ 2007-03-02 22:08:06 by jwe] jwe parents: 6379 diff changeset	3847 @example\n\
6637 c18ed0e7ee41 [project @ 2007-05-21 19:12:46 by jwe] jwe parents: 6431 diff changeset	3848 autoload (\"foo\", file_in_loadpath (\"bar.oct\"))\n\
6380 ac3d67504f85 [project @ 2007-03-02 22:08:06 by jwe] jwe parents: 6379 diff changeset	3849 @end example\n\
ac3d67504f85 [project @ 2007-03-02 22:08:06 by jwe] jwe parents: 6379 diff changeset	3850 \n\
ac3d67504f85 [project @ 2007-03-02 22:08:06 by jwe] jwe parents: 6379 diff changeset	3851 @noindent\n\
6926 c05fbb1b7e1f [project @ 2007-09-26 19:56:54 by dbateman] dbateman parents: 6657 diff changeset	3852 are strongly discouraged, as their behavior might be unpredictable.\n\
6380 ac3d67504f85 [project @ 2007-03-02 22:08:06 by jwe] jwe parents: 6379 diff changeset	3853 \n\
6637 c18ed0e7ee41 [project @ 2007-05-21 19:12:46 by jwe] jwe parents: 6431 diff changeset	3854 With no arguments, return a structure containing the current autoload map.\n\
6380 ac3d67504f85 [project @ 2007-03-02 22:08:06 by jwe] jwe parents: 6379 diff changeset	3855 @seealso{PKG_ADD}\n\
5484 2ff5363a16bd [project @ 2005-10-06 17:12:12 by jwe] jwe parents: 5472 diff changeset	3856 @end deftypefn")
2ff5363a16bd [project @ 2005-10-06 17:12:12 by jwe] jwe parents: 5472 diff changeset	3857 {
5626 3236b4d98fde [project @ 2006-02-15 20:25:39 by jwe] jwe parents: 5615 diff changeset	3858 octave_value retval;
5484 2ff5363a16bd [project @ 2005-10-06 17:12:12 by jwe] jwe parents: 5472 diff changeset	3859
2ff5363a16bd [project @ 2005-10-06 17:12:12 by jwe] jwe parents: 5472 diff changeset	3860 int nargin = args.length ();
2ff5363a16bd [project @ 2005-10-06 17:12:12 by jwe] jwe parents: 5472 diff changeset	3861
5626 3236b4d98fde [project @ 2006-02-15 20:25:39 by jwe] jwe parents: 5615 diff changeset	3862 if (nargin == 0)
3236b4d98fde [project @ 2006-02-15 20:25:39 by jwe] jwe parents: 5615 diff changeset	3863 {
10350 12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10315 diff changeset	3864 Cell func_names (dim_vector (autoload_map.size (), 1));
12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10315 diff changeset	3865 Cell file_names (dim_vector (autoload_map.size (), 1));
5626 3236b4d98fde [project @ 2006-02-15 20:25:39 by jwe] jwe parents: 5615 diff changeset	3866
3236b4d98fde [project @ 2006-02-15 20:25:39 by jwe] jwe parents: 5615 diff changeset	3867 octave_idx_type i = 0;
3236b4d98fde [project @ 2006-02-15 20:25:39 by jwe] jwe parents: 5615 diff changeset	3868 typedef std::map<std::string, std::string>::const_iterator am_iter;
3236b4d98fde [project @ 2006-02-15 20:25:39 by jwe] jwe parents: 5615 diff changeset	3869 for (am_iter p = autoload_map.begin (); p != autoload_map.end (); p++)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3870 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3871 func_names(i) = p->first;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3872 file_names(i) = p->second;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3873
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3874 i++;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3875 }
5626 3236b4d98fde [project @ 2006-02-15 20:25:39 by jwe] jwe parents: 5615 diff changeset	3876
11060 54697b37d8bf replace Octave_map->octave_scalar_map in oct-parse.yy and ov-fcn-handle.cc Jaroslav Hajek <highegg@gmail.com> parents: 10879 diff changeset	3877 octave_map m;
5626 3236b4d98fde [project @ 2006-02-15 20:25:39 by jwe] jwe parents: 5615 diff changeset	3878
3236b4d98fde [project @ 2006-02-15 20:25:39 by jwe] jwe parents: 5615 diff changeset	3879 m.assign ("function", func_names);
3236b4d98fde [project @ 2006-02-15 20:25:39 by jwe] jwe parents: 5615 diff changeset	3880 m.assign ("file", file_names);
3236b4d98fde [project @ 2006-02-15 20:25:39 by jwe] jwe parents: 5615 diff changeset	3881
3236b4d98fde [project @ 2006-02-15 20:25:39 by jwe] jwe parents: 5615 diff changeset	3882 retval = m;
3236b4d98fde [project @ 2006-02-15 20:25:39 by jwe] jwe parents: 5615 diff changeset	3883 }
3236b4d98fde [project @ 2006-02-15 20:25:39 by jwe] jwe parents: 5615 diff changeset	3884 else if (nargin == 2)
5484 2ff5363a16bd [project @ 2005-10-06 17:12:12 by jwe] jwe parents: 5472 diff changeset	3885 {
2ff5363a16bd [project @ 2005-10-06 17:12:12 by jwe] jwe parents: 5472 diff changeset	3886 string_vector argv = args.make_argv ("autoload");
2ff5363a16bd [project @ 2005-10-06 17:12:12 by jwe] jwe parents: 5472 diff changeset	3887
2ff5363a16bd [project @ 2005-10-06 17:12:12 by jwe] jwe parents: 5472 diff changeset	3888 if (! error_state)
6380 ac3d67504f85 [project @ 2007-03-02 22:08:06 by jwe] jwe parents: 6379 diff changeset	3889 {
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3890 std::string nm = argv[2];
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3891
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3892 if (! octave_env::absolute_pathname (nm))
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3893 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3894 octave_user_code *fcn = octave_call_stack::caller_user_code ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3895
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3896 bool found = false;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3897
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3898 if (fcn)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3899 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3900 std::string fname = fcn->fcn_file_name ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3901
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3902 if (! fname.empty ())
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3903 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3904 fname = octave_env::make_absolute (fname);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3905 fname = fname.substr (0, fname.find_last_of (file_ops::dir_sep_str ()) + 1);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3906
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3907 file_stat fs (fname + nm);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3908
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3909 if (fs.exists ())
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3910 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3911 nm = fname + nm;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3912 found = true;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3913 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3914 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3915 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3916 if (! found)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3917 warning_with_id ("Octave:autoload-relative-file-name",
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3918 "autoload: `%s' is not an absolute file name",
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3919 nm.c_str ());
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3920 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3921 autoload_map[argv[1]] = nm;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3922 }
5484 2ff5363a16bd [project @ 2005-10-06 17:12:12 by jwe] jwe parents: 5472 diff changeset	3923 }
2ff5363a16bd [project @ 2005-10-06 17:12:12 by jwe] jwe parents: 5472 diff changeset	3924 else
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5794 diff changeset	3925 print_usage ();
5484 2ff5363a16bd [project @ 2005-10-06 17:12:12 by jwe] jwe parents: 5472 diff changeset	3926
2ff5363a16bd [project @ 2005-10-06 17:12:12 by jwe] jwe parents: 5472 diff changeset	3927 return retval;
2ff5363a16bd [project @ 2005-10-06 17:12:12 by jwe] jwe parents: 5472 diff changeset	3928 }
2ff5363a16bd [project @ 2005-10-06 17:12:12 by jwe] jwe parents: 5472 diff changeset	3929
4486 6ceba1f351fb [project @ 2003-08-22 16:49:46 by jwe] jwe parents: 4463 diff changeset	3930 void
7715 5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7699 diff changeset	3931 source_file (const std::string& file_name, const std::string& context,
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3932 bool verbose, bool require_file, const std::string& warn_for)
4486 6ceba1f351fb [project @ 2003-08-22 16:49:46 by jwe] jwe parents: 4463 diff changeset	3933 {
10578 cb0883127251 limit on recursion via calls to source function John W. Eaton <jwe@octave.org> parents: 10570 diff changeset	3934 // Map from absolute name of script file to recursion level. We
cb0883127251 limit on recursion via calls to source function John W. Eaton <jwe@octave.org> parents: 10570 diff changeset	3935 // use a map instead of simply placing a limit on recursion in the
cb0883127251 limit on recursion via calls to source function John W. Eaton <jwe@octave.org> parents: 10570 diff changeset	3936 // source_file function so that two mutually recursive scripts
cb0883127251 limit on recursion via calls to source function John W. Eaton <jwe@octave.org> parents: 10570 diff changeset	3937 // written as
cb0883127251 limit on recursion via calls to source function John W. Eaton <jwe@octave.org> parents: 10570 diff changeset	3938 //
cb0883127251 limit on recursion via calls to source function John W. Eaton <jwe@octave.org> parents: 10570 diff changeset	3939 // foo1.m:
cb0883127251 limit on recursion via calls to source function John W. Eaton <jwe@octave.org> parents: 10570 diff changeset	3940 // ------
cb0883127251 limit on recursion via calls to source function John W. Eaton <jwe@octave.org> parents: 10570 diff changeset	3941 // foo2
cb0883127251 limit on recursion via calls to source function John W. Eaton <jwe@octave.org> parents: 10570 diff changeset	3942 //
cb0883127251 limit on recursion via calls to source function John W. Eaton <jwe@octave.org> parents: 10570 diff changeset	3943 // foo2.m:
cb0883127251 limit on recursion via calls to source function John W. Eaton <jwe@octave.org> parents: 10570 diff changeset	3944 // ------
cb0883127251 limit on recursion via calls to source function John W. Eaton <jwe@octave.org> parents: 10570 diff changeset	3945 // foo1
cb0883127251 limit on recursion via calls to source function John W. Eaton <jwe@octave.org> parents: 10570 diff changeset	3946 //
cb0883127251 limit on recursion via calls to source function John W. Eaton <jwe@octave.org> parents: 10570 diff changeset	3947 // and called with
cb0883127251 limit on recursion via calls to source function John W. Eaton <jwe@octave.org> parents: 10570 diff changeset	3948 //
cb0883127251 limit on recursion via calls to source function John W. Eaton <jwe@octave.org> parents: 10570 diff changeset	3949 // foo1
cb0883127251 limit on recursion via calls to source function John W. Eaton <jwe@octave.org> parents: 10570 diff changeset	3950 //
cb0883127251 limit on recursion via calls to source function John W. Eaton <jwe@octave.org> parents: 10570 diff changeset	3951 // (for example) will behave the same if they are written as
cb0883127251 limit on recursion via calls to source function John W. Eaton <jwe@octave.org> parents: 10570 diff changeset	3952 //
cb0883127251 limit on recursion via calls to source function John W. Eaton <jwe@octave.org> parents: 10570 diff changeset	3953 // foo1.m:
cb0883127251 limit on recursion via calls to source function John W. Eaton <jwe@octave.org> parents: 10570 diff changeset	3954 // ------
cb0883127251 limit on recursion via calls to source function John W. Eaton <jwe@octave.org> parents: 10570 diff changeset	3955 // source ("foo2.m")
cb0883127251 limit on recursion via calls to source function John W. Eaton <jwe@octave.org> parents: 10570 diff changeset	3956 //
cb0883127251 limit on recursion via calls to source function John W. Eaton <jwe@octave.org> parents: 10570 diff changeset	3957 // foo2.m:
cb0883127251 limit on recursion via calls to source function John W. Eaton <jwe@octave.org> parents: 10570 diff changeset	3958 // ------
cb0883127251 limit on recursion via calls to source function John W. Eaton <jwe@octave.org> parents: 10570 diff changeset	3959 // source ("foo1.m")
cb0883127251 limit on recursion via calls to source function John W. Eaton <jwe@octave.org> parents: 10570 diff changeset	3960 //
cb0883127251 limit on recursion via calls to source function John W. Eaton <jwe@octave.org> parents: 10570 diff changeset	3961 // and called with
cb0883127251 limit on recursion via calls to source function John W. Eaton <jwe@octave.org> parents: 10570 diff changeset	3962 //
cb0883127251 limit on recursion via calls to source function John W. Eaton <jwe@octave.org> parents: 10570 diff changeset	3963 // source ("foo1.m")
cb0883127251 limit on recursion via calls to source function John W. Eaton <jwe@octave.org> parents: 10570 diff changeset	3964 //
cb0883127251 limit on recursion via calls to source function John W. Eaton <jwe@octave.org> parents: 10570 diff changeset	3965 // (for example).
cb0883127251 limit on recursion via calls to source function John W. Eaton <jwe@octave.org> parents: 10570 diff changeset	3966
cb0883127251 limit on recursion via calls to source function John W. Eaton <jwe@octave.org> parents: 10570 diff changeset	3967 static std::map<std::string, int> source_call_depth;
cb0883127251 limit on recursion via calls to source function John W. Eaton <jwe@octave.org> parents: 10570 diff changeset	3968
4486 6ceba1f351fb [project @ 2003-08-22 16:49:46 by jwe] jwe parents: 4463 diff changeset	3969 std::string file_full_name = file_ops::tilde_expand (file_name);
6ceba1f351fb [project @ 2003-08-22 16:49:46 by jwe] jwe parents: 4463 diff changeset	3970
10578 cb0883127251 limit on recursion via calls to source function John W. Eaton <jwe@octave.org> parents: 10570 diff changeset	3971 file_full_name = octave_env::make_absolute (file_full_name);
cb0883127251 limit on recursion via calls to source function John W. Eaton <jwe@octave.org> parents: 10570 diff changeset	3972
10067 6f79338c269b omission from last patch Jaroslav Hajek <highegg@gmail.com> parents: 9794 diff changeset	3973 unwind_protect frame;
6f79338c269b omission from last patch Jaroslav Hajek <highegg@gmail.com> parents: 9794 diff changeset	3974
6f79338c269b omission from last patch Jaroslav Hajek <highegg@gmail.com> parents: 9794 diff changeset	3975 frame.protect_var (curr_fcn_file_name);
6f79338c269b omission from last patch Jaroslav Hajek <highegg@gmail.com> parents: 9794 diff changeset	3976 frame.protect_var (curr_fcn_file_full_name);
4486 6ceba1f351fb [project @ 2003-08-22 16:49:46 by jwe] jwe parents: 4463 diff changeset	3977
6ceba1f351fb [project @ 2003-08-22 16:49:46 by jwe] jwe parents: 4463 diff changeset	3978 curr_fcn_file_name = file_name;
6ceba1f351fb [project @ 2003-08-22 16:49:46 by jwe] jwe parents: 4463 diff changeset	3979 curr_fcn_file_full_name = file_full_name;
6ceba1f351fb [project @ 2003-08-22 16:49:46 by jwe] jwe parents: 4463 diff changeset	3980
10578 cb0883127251 limit on recursion via calls to source function John W. Eaton <jwe@octave.org> parents: 10570 diff changeset	3981 if (source_call_depth.find (file_full_name) == source_call_depth.end ())
cb0883127251 limit on recursion via calls to source function John W. Eaton <jwe@octave.org> parents: 10570 diff changeset	3982 source_call_depth[file_full_name] = -1;
cb0883127251 limit on recursion via calls to source function John W. Eaton <jwe@octave.org> parents: 10570 diff changeset	3983
cb0883127251 limit on recursion via calls to source function John W. Eaton <jwe@octave.org> parents: 10570 diff changeset	3984 frame.protect_var (source_call_depth[file_full_name]);
cb0883127251 limit on recursion via calls to source function John W. Eaton <jwe@octave.org> parents: 10570 diff changeset	3985
cb0883127251 limit on recursion via calls to source function John W. Eaton <jwe@octave.org> parents: 10570 diff changeset	3986 source_call_depth[file_full_name]++;
cb0883127251 limit on recursion via calls to source function John W. Eaton <jwe@octave.org> parents: 10570 diff changeset	3987
cb0883127251 limit on recursion via calls to source function John W. Eaton <jwe@octave.org> parents: 10570 diff changeset	3988 if (source_call_depth[file_full_name] >= Vmax_recursion_depth)
cb0883127251 limit on recursion via calls to source function John W. Eaton <jwe@octave.org> parents: 10570 diff changeset	3989 {
cb0883127251 limit on recursion via calls to source function John W. Eaton <jwe@octave.org> parents: 10570 diff changeset	3990 error ("max_recursion_depth exceeded");
cb0883127251 limit on recursion via calls to source function John W. Eaton <jwe@octave.org> parents: 10570 diff changeset	3991 return;
cb0883127251 limit on recursion via calls to source function John W. Eaton <jwe@octave.org> parents: 10570 diff changeset	3992 }
cb0883127251 limit on recursion via calls to source function John W. Eaton <jwe@octave.org> parents: 10570 diff changeset	3993
5975 e64059303a6f [project @ 2006-08-29 16:37:39 by jwe] jwe parents: 5932 diff changeset	3994 if (! context.empty ())
e64059303a6f [project @ 2006-08-29 16:37:39 by jwe] jwe parents: 5932 diff changeset	3995 {
e64059303a6f [project @ 2006-08-29 16:37:39 by jwe] jwe parents: 5932 diff changeset	3996 if (context == "caller")
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3997 octave_call_stack::goto_caller_frame ();
5975 e64059303a6f [project @ 2006-08-29 16:37:39 by jwe] jwe parents: 5932 diff changeset	3998 else if (context == "base")
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3999 octave_call_stack::goto_base_frame ();
5975 e64059303a6f [project @ 2006-08-29 16:37:39 by jwe] jwe parents: 5932 diff changeset	4000 else
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4001 error ("source: context must be \"caller\" or \"base\"");
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	4002
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	4003 if (! error_state)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4004 frame.add_fcn (octave_call_stack::pop);
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11572 diff changeset	4005 }
5975 e64059303a6f [project @ 2006-08-29 16:37:39 by jwe] jwe parents: 5932 diff changeset	4006
e64059303a6f [project @ 2006-08-29 16:37:39 by jwe] jwe parents: 5932 diff changeset	4007 if (! error_state)
e64059303a6f [project @ 2006-08-29 16:37:39 by jwe] jwe parents: 5932 diff changeset	4008 {
7715 5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7699 diff changeset	4009 octave_function *fcn = parse_fcn_file (file_full_name, "", true,
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4010 require_file, warn_for);
7715 5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7699 diff changeset	4011
5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7699 diff changeset	4012 if (! error_state)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4013 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4014 if (fcn && fcn->is_user_script ())
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4015 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4016 octave_value_list args;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4017
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4018 if (verbose)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4019 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4020 std::cout << "executing commands from " << file_full_name << " ... ";
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4021 reading_startup_message_printed = true;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4022 std::cout.flush ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4023 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4024
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4025 fcn->do_multi_index_op (0, args);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4026
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4027 if (verbose)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4028 std::cout << "done." << std::endl;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4029
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4030 delete fcn;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4031 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4032 }
7715 5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7699 diff changeset	4033 else
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4034 error ("source: error sourcing file `%s'",
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4035 file_full_name.c_str ());
5975 e64059303a6f [project @ 2006-08-29 16:37:39 by jwe] jwe parents: 5932 diff changeset	4036 }
4486 6ceba1f351fb [project @ 2003-08-22 16:49:46 by jwe] jwe parents: 4463 diff changeset	4037 }
6ceba1f351fb [project @ 2003-08-22 16:49:46 by jwe] jwe parents: 4463 diff changeset	4038
5739 d090d39bb82c [project @ 2006-04-05 06:56:24 by jwe] jwe parents: 5667 diff changeset	4039 DEFUN (mfilename, args, ,
d090d39bb82c [project @ 2006-04-05 06:56:24 by jwe] jwe parents: 5667 diff changeset	4040 "-- texinfo --\n\
11572 7d6d8c1e471f Grammarcheck Texinfo for files in src directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	4041 @deftypefn {Built-in Function} {} mfilename ()\n\
12719 7b5bfd6a8e28 doc: Don't use @code macro within @deftypefn macro Rik <octave@nomad.inbox5.com> parents: 12483 diff changeset	4042 @deftypefnx {Built-in Function} {} mfilename (\"fullpath\")\n\
7b5bfd6a8e28 doc: Don't use @code macro within @deftypefn macro Rik <octave@nomad.inbox5.com> parents: 12483 diff changeset	4043 @deftypefnx {Built-in Function} {} mfilename (\"fullpathext\")\n\
5739 d090d39bb82c [project @ 2006-04-05 06:56:24 by jwe] jwe parents: 5667 diff changeset	4044 Return the name of the currently executing file. At the top-level,\n\
d090d39bb82c [project @ 2006-04-05 06:56:24 by jwe] jwe parents: 5667 diff changeset	4045 return the empty string. Given the argument @code{\"fullpath\"},\n\
d090d39bb82c [project @ 2006-04-05 06:56:24 by jwe] jwe parents: 5667 diff changeset	4046 include the directory part of the file name, but not the extension.\n\
d090d39bb82c [project @ 2006-04-05 06:56:24 by jwe] jwe parents: 5667 diff changeset	4047 Given the argument @code{\"fullpathext\"}, include the directory part\n\
d090d39bb82c [project @ 2006-04-05 06:56:24 by jwe] jwe parents: 5667 diff changeset	4048 of the file name and the extension.\n\
5774 e7af222e98b0 [project @ 2006-04-24 17:45:31 by jwe] jwe parents: 5765 diff changeset	4049 @end deftypefn")
5739 d090d39bb82c [project @ 2006-04-05 06:56:24 by jwe] jwe parents: 5667 diff changeset	4050 {
d090d39bb82c [project @ 2006-04-05 06:56:24 by jwe] jwe parents: 5667 diff changeset	4051 octave_value retval;
d090d39bb82c [project @ 2006-04-05 06:56:24 by jwe] jwe parents: 5667 diff changeset	4052
d090d39bb82c [project @ 2006-04-05 06:56:24 by jwe] jwe parents: 5667 diff changeset	4053 int nargin = args.length ();
d090d39bb82c [project @ 2006-04-05 06:56:24 by jwe] jwe parents: 5667 diff changeset	4054
d090d39bb82c [project @ 2006-04-05 06:56:24 by jwe] jwe parents: 5667 diff changeset	4055 if (nargin > 1)
d090d39bb82c [project @ 2006-04-05 06:56:24 by jwe] jwe parents: 5667 diff changeset	4056 {
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5794 diff changeset	4057 print_usage ();
5739 d090d39bb82c [project @ 2006-04-05 06:56:24 by jwe] jwe parents: 5667 diff changeset	4058 return retval;
d090d39bb82c [project @ 2006-04-05 06:56:24 by jwe] jwe parents: 5667 diff changeset	4059 }
d090d39bb82c [project @ 2006-04-05 06:56:24 by jwe] jwe parents: 5667 diff changeset	4060
d090d39bb82c [project @ 2006-04-05 06:56:24 by jwe] jwe parents: 5667 diff changeset	4061 std::string arg;
d090d39bb82c [project @ 2006-04-05 06:56:24 by jwe] jwe parents: 5667 diff changeset	4062
d090d39bb82c [project @ 2006-04-05 06:56:24 by jwe] jwe parents: 5667 diff changeset	4063 if (nargin == 1)
d090d39bb82c [project @ 2006-04-05 06:56:24 by jwe] jwe parents: 5667 diff changeset	4064 {
d090d39bb82c [project @ 2006-04-05 06:56:24 by jwe] jwe parents: 5667 diff changeset	4065 arg = args(0).string_value ();
d090d39bb82c [project @ 2006-04-05 06:56:24 by jwe] jwe parents: 5667 diff changeset	4066
d090d39bb82c [project @ 2006-04-05 06:56:24 by jwe] jwe parents: 5667 diff changeset	4067 if (error_state)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4068 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4069 error ("mfilename: expecting argument to be a character string");
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4070 return retval;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4071 }
5739 d090d39bb82c [project @ 2006-04-05 06:56:24 by jwe] jwe parents: 5667 diff changeset	4072 }
d090d39bb82c [project @ 2006-04-05 06:56:24 by jwe] jwe parents: 5667 diff changeset	4073
d090d39bb82c [project @ 2006-04-05 06:56:24 by jwe] jwe parents: 5667 diff changeset	4074 std::string fname;
d090d39bb82c [project @ 2006-04-05 06:56:24 by jwe] jwe parents: 5667 diff changeset	4075
7719 87eda1f8faaa octave_user_code: new base class for octave_user_script and octave_user_function John W. Eaton <jwe@octave.org> parents: 7715 diff changeset	4076 octave_user_code *fcn = octave_call_stack::caller_user_code ();
5743 a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5739 diff changeset	4077
a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5739 diff changeset	4078 if (fcn)
a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5739 diff changeset	4079 {
a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5739 diff changeset	4080 fname = fcn->fcn_file_name ();
a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5739 diff changeset	4081
a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5739 diff changeset	4082 if (fname.empty ())
a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5739 diff changeset	4083 fname = fcn->name ();
a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5739 diff changeset	4084 }
5739 d090d39bb82c [project @ 2006-04-05 06:56:24 by jwe] jwe parents: 5667 diff changeset	4085
d090d39bb82c [project @ 2006-04-05 06:56:24 by jwe] jwe parents: 5667 diff changeset	4086 if (arg == "fullpathext")
d090d39bb82c [project @ 2006-04-05 06:56:24 by jwe] jwe parents: 5667 diff changeset	4087 retval = fname;
d090d39bb82c [project @ 2006-04-05 06:56:24 by jwe] jwe parents: 5667 diff changeset	4088 else
d090d39bb82c [project @ 2006-04-05 06:56:24 by jwe] jwe parents: 5667 diff changeset	4089 {
8007 a2ab20ba78f7 make file_ops a proper singleton class John W. Eaton <jwe@octave.org> parents: 8001 diff changeset	4090 size_t dpos = fname.rfind (file_ops::dir_sep_char ());
5747 b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5744 diff changeset	4091 size_t epos = fname.rfind ('.');
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5744 diff changeset	4092
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5744 diff changeset	4093 if (epos <= dpos)
8021 85184151822e fix typo in NPOS change John W. Eaton <jwe@octave.org> parents: 8019 diff changeset	4094 epos = std::string::npos;
85184151822e fix typo in NPOS change John W. Eaton <jwe@octave.org> parents: 8019 diff changeset	4095
85184151822e fix typo in NPOS change John W. Eaton <jwe@octave.org> parents: 8019 diff changeset	4096 fname = (epos != std::string::npos) ? fname.substr (0, epos) : fname;
5739 d090d39bb82c [project @ 2006-04-05 06:56:24 by jwe] jwe parents: 5667 diff changeset	4097
d090d39bb82c [project @ 2006-04-05 06:56:24 by jwe] jwe parents: 5667 diff changeset	4098 if (arg == "fullpath")
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4099 retval = fname;
5739 d090d39bb82c [project @ 2006-04-05 06:56:24 by jwe] jwe parents: 5667 diff changeset	4100 else
8021 85184151822e fix typo in NPOS change John W. Eaton <jwe@octave.org> parents: 8019 diff changeset	4101 retval = (dpos != std::string::npos) ? fname.substr (dpos+1) : fname;
5739 d090d39bb82c [project @ 2006-04-05 06:56:24 by jwe] jwe parents: 5667 diff changeset	4102 }
d090d39bb82c [project @ 2006-04-05 06:56:24 by jwe] jwe parents: 5667 diff changeset	4103
d090d39bb82c [project @ 2006-04-05 06:56:24 by jwe] jwe parents: 5667 diff changeset	4104 return retval;
d090d39bb82c [project @ 2006-04-05 06:56:24 by jwe] jwe parents: 5667 diff changeset	4105 }
d090d39bb82c [project @ 2006-04-05 06:56:24 by jwe] jwe parents: 5667 diff changeset	4106
d090d39bb82c [project @ 2006-04-05 06:56:24 by jwe] jwe parents: 5667 diff changeset	4107
3021 18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	4108 DEFUN (source, args, ,
3371 86873384cd10 [project @ 1999-11-21 17:31:07 by jwe] jwe parents: 3366 diff changeset	4109 "-- texinfo --\n\
86873384cd10 [project @ 1999-11-21 17:31:07 by jwe] jwe parents: 3366 diff changeset	4110 @deftypefn {Built-in Function} {} source (@var{file})\n\
86873384cd10 [project @ 1999-11-21 17:31:07 by jwe] jwe parents: 3366 diff changeset	4111 Parse and execute the contents of @var{file}. This is equivalent to\n\
86873384cd10 [project @ 1999-11-21 17:31:07 by jwe] jwe parents: 3366 diff changeset	4112 executing commands from a script file, but without requiring the file to\n\
86873384cd10 [project @ 1999-11-21 17:31:07 by jwe] jwe parents: 3366 diff changeset	4113 be named @file{@var{file}.m}.\n\
86873384cd10 [project @ 1999-11-21 17:31:07 by jwe] jwe parents: 3366 diff changeset	4114 @end deftypefn")
3021 18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	4115 {
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	4116 octave_value_list retval;
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	4117
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	4118 int nargin = args.length ();
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	4119
5975 e64059303a6f [project @ 2006-08-29 16:37:39 by jwe] jwe parents: 5932 diff changeset	4120 if (nargin == 1 \|\| nargin == 2)
3021 18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	4121 {
3523 b80bbb43a1a9 [project @ 2000-02-02 10:25:52 by jwe] jwe parents: 3489 diff changeset	4122 std::string file_name = args(0).string_value ();
3021 18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	4123
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	4124 if (! error_state)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4125 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4126 std::string context;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4127
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4128 if (nargin == 2)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4129 context = args(1).string_value ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4130
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4131 if (! error_state)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4132 source_file (file_name, context);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4133 else
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4134 error ("source: expecting context to be character string");
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4135 }
3021 18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	4136 else
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4137 error ("source: expecting file name as argument");
3021 18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	4138 }
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	4139 else
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5794 diff changeset	4140 print_usage ();
3021 18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	4141
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	4142 return retval;
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	4143 }
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	4144
3726 b7d997d593d9 [project @ 2000-10-27 17:51:21 by jwe] jwe parents: 3712 diff changeset	4145 // Evaluate an Octave function (built-in or interpreted) and return
3844 87f85453b6b7 [project @ 2001-07-23 20:07:45 by jwe] jwe parents: 3815 diff changeset	4146 // the list of result values. NAME is the name of the function to
87f85453b6b7 [project @ 2001-07-23 20:07:45 by jwe] jwe parents: 3815 diff changeset	4147 // call. ARGS are the arguments to the function. NARGOUT is the
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11572 diff changeset	4148 // number of output arguments expected.
3726 b7d997d593d9 [project @ 2000-10-27 17:51:21 by jwe] jwe parents: 3712 diff changeset	4149
3021 18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	4150 octave_value_list
3523 b80bbb43a1a9 [project @ 2000-02-02 10:25:52 by jwe] jwe parents: 3489 diff changeset	4151 feval (const std::string& name, const octave_value_list& args, int nargout)
3156 a494f93e60ff [project @ 1998-02-20 07:47:48 by jwe] jwe parents: 3110 diff changeset	4152 {
a494f93e60ff [project @ 1998-02-20 07:47:48 by jwe] jwe parents: 3110 diff changeset	4153 octave_value_list retval;
a494f93e60ff [project @ 1998-02-20 07:47:48 by jwe] jwe parents: 3110 diff changeset	4154
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	4155 octave_value fcn = symbol_table::find_function (name, args);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	4156
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	4157 if (fcn.is_defined ())
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	4158 retval = fcn.do_multi_index_op (nargout, args);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	4159 else
10443 34e51d4e199b implement smart warnings about missing Matlab functionality Jaroslav Hajek <highegg@gmail.com> parents: 10426 diff changeset	4160 {
34e51d4e199b implement smart warnings about missing Matlab functionality Jaroslav Hajek <highegg@gmail.com> parents: 10426 diff changeset	4161 maybe_missing_function_hook (name);
34e51d4e199b implement smart warnings about missing Matlab functionality Jaroslav Hajek <highegg@gmail.com> parents: 10426 diff changeset	4162 if (! error_state)
34e51d4e199b implement smart warnings about missing Matlab functionality Jaroslav Hajek <highegg@gmail.com> parents: 10426 diff changeset	4163 error ("feval: function `%s' not found", name.c_str ());
34e51d4e199b implement smart warnings about missing Matlab functionality Jaroslav Hajek <highegg@gmail.com> parents: 10426 diff changeset	4164 }
3156 a494f93e60ff [project @ 1998-02-20 07:47:48 by jwe] jwe parents: 3110 diff changeset	4165
a494f93e60ff [project @ 1998-02-20 07:47:48 by jwe] jwe parents: 3110 diff changeset	4166 return retval;
a494f93e60ff [project @ 1998-02-20 07:47:48 by jwe] jwe parents: 3110 diff changeset	4167 }
a494f93e60ff [project @ 1998-02-20 07:47:48 by jwe] jwe parents: 3110 diff changeset	4168
4342 813effe14ee1 [project @ 2003-02-20 08:35:55 by jwe] jwe parents: 4318 diff changeset	4169 octave_value_list
813effe14ee1 [project @ 2003-02-20 08:35:55 by jwe] jwe parents: 4318 diff changeset	4170 feval (octave_function *fcn, const octave_value_list& args, int nargout)
813effe14ee1 [project @ 2003-02-20 08:35:55 by jwe] jwe parents: 4318 diff changeset	4171 {
813effe14ee1 [project @ 2003-02-20 08:35:55 by jwe] jwe parents: 4318 diff changeset	4172 octave_value_list retval;
813effe14ee1 [project @ 2003-02-20 08:35:55 by jwe] jwe parents: 4318 diff changeset	4173
813effe14ee1 [project @ 2003-02-20 08:35:55 by jwe] jwe parents: 4318 diff changeset	4174 if (fcn)
813effe14ee1 [project @ 2003-02-20 08:35:55 by jwe] jwe parents: 4318 diff changeset	4175 retval = fcn->do_multi_index_op (nargout, args);
813effe14ee1 [project @ 2003-02-20 08:35:55 by jwe] jwe parents: 4318 diff changeset	4176
813effe14ee1 [project @ 2003-02-20 08:35:55 by jwe] jwe parents: 4318 diff changeset	4177 return retval;
813effe14ee1 [project @ 2003-02-20 08:35:55 by jwe] jwe parents: 4318 diff changeset	4178 }
813effe14ee1 [project @ 2003-02-20 08:35:55 by jwe] jwe parents: 4318 diff changeset	4179
813effe14ee1 [project @ 2003-02-20 08:35:55 by jwe] jwe parents: 4318 diff changeset	4180 static octave_value_list
813effe14ee1 [project @ 2003-02-20 08:35:55 by jwe] jwe parents: 4318 diff changeset	4181 get_feval_args (const octave_value_list& args)
813effe14ee1 [project @ 2003-02-20 08:35:55 by jwe] jwe parents: 4318 diff changeset	4182 {
10659 8baff2aceabc fix slicing value lists with name tags (bug #29960) Jaroslav Hajek <highegg@gmail.com> parents: 10578 diff changeset	4183 return args.slice (1, args.length () - 1, true);
4342 813effe14ee1 [project @ 2003-02-20 08:35:55 by jwe] jwe parents: 4318 diff changeset	4184 }
813effe14ee1 [project @ 2003-02-20 08:35:55 by jwe] jwe parents: 4318 diff changeset	4185
813effe14ee1 [project @ 2003-02-20 08:35:55 by jwe] jwe parents: 4318 diff changeset	4186
3726 b7d997d593d9 [project @ 2000-10-27 17:51:21 by jwe] jwe parents: 3712 diff changeset	4187 // Evaluate an Octave function (built-in or interpreted) and return
b7d997d593d9 [project @ 2000-10-27 17:51:21 by jwe] jwe parents: 3712 diff changeset	4188 // the list of result values. The first element of ARGS should be a
b7d997d593d9 [project @ 2000-10-27 17:51:21 by jwe] jwe parents: 3712 diff changeset	4189 // string containing the name of the function to call, then the rest
b7d997d593d9 [project @ 2000-10-27 17:51:21 by jwe] jwe parents: 3712 diff changeset	4190 // are the actual arguments to the function. NARGOUT is the number of
b7d997d593d9 [project @ 2000-10-27 17:51:21 by jwe] jwe parents: 3712 diff changeset	4191 // output arguments expected.
b7d997d593d9 [project @ 2000-10-27 17:51:21 by jwe] jwe parents: 3712 diff changeset	4192
3156 a494f93e60ff [project @ 1998-02-20 07:47:48 by jwe] jwe parents: 3110 diff changeset	4193 octave_value_list
3021 18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	4194 feval (const octave_value_list& args, int nargout)
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	4195 {
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	4196 octave_value_list retval;
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	4197
4342 813effe14ee1 [project @ 2003-02-20 08:35:55 by jwe] jwe parents: 4318 diff changeset	4198 int nargin = args.length ();
813effe14ee1 [project @ 2003-02-20 08:35:55 by jwe] jwe parents: 4318 diff changeset	4199
813effe14ee1 [project @ 2003-02-20 08:35:55 by jwe] jwe parents: 4318 diff changeset	4200 if (nargin > 0)
3021 18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	4201 {
4342 813effe14ee1 [project @ 2003-02-20 08:35:55 by jwe] jwe parents: 4318 diff changeset	4202 octave_value f_arg = args(0);
813effe14ee1 [project @ 2003-02-20 08:35:55 by jwe] jwe parents: 4318 diff changeset	4203
813effe14ee1 [project @ 2003-02-20 08:35:55 by jwe] jwe parents: 4318 diff changeset	4204 if (f_arg.is_string ())
813effe14ee1 [project @ 2003-02-20 08:35:55 by jwe] jwe parents: 4318 diff changeset	4205 {
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4206 std::string name = f_arg.string_value ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4207
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4208 if (! error_state)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4209 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4210 octave_value_list tmp_args = get_feval_args (args);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4211
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4212 retval = feval (name, tmp_args, nargout);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4213 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4214 }
13241 2a8dcb5b3a00 improve default indexing for objects John W. Eaton <jwe@octave.org> parents: 13237 diff changeset	4215 else if (f_arg.is_function_handle ()
2a8dcb5b3a00 improve default indexing for objects John W. Eaton <jwe@octave.org> parents: 13237 diff changeset	4216 \|\| f_arg.is_anonymous_function ()
2a8dcb5b3a00 improve default indexing for objects John W. Eaton <jwe@octave.org> parents: 13237 diff changeset	4217 \|\| f_arg.is_inline_function ())
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4218 {
10492 a6b64a7a3769 make feval work with overloaded handles Jaroslav Hajek <highegg@gmail.com> parents: 10463 diff changeset	4219 const octave_value_list tmp_args = get_feval_args (args);
a6b64a7a3769 make feval work with overloaded handles Jaroslav Hajek <highegg@gmail.com> parents: 10463 diff changeset	4220
a6b64a7a3769 make feval work with overloaded handles Jaroslav Hajek <highegg@gmail.com> parents: 10463 diff changeset	4221 retval = f_arg.do_multi_index_op (nargout, tmp_args);
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4222 }
10492 a6b64a7a3769 make feval work with overloaded handles Jaroslav Hajek <highegg@gmail.com> parents: 10463 diff changeset	4223 else
a6b64a7a3769 make feval work with overloaded handles Jaroslav Hajek <highegg@gmail.com> parents: 10463 diff changeset	4224 error ("feval: first argument must be a string, inline function or a function handle");
3021 18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	4225 }
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	4226
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	4227 return retval;
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	4228 }
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	4229
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	4230 DEFUN (feval, args, nargout,
3371 86873384cd10 [project @ 1999-11-21 17:31:07 by jwe] jwe parents: 3366 diff changeset	4231 "-- texinfo --\n\
86873384cd10 [project @ 1999-11-21 17:31:07 by jwe] jwe parents: 3366 diff changeset	4232 @deftypefn {Built-in Function} {} feval (@var{name}, @dots{})\n\
86873384cd10 [project @ 1999-11-21 17:31:07 by jwe] jwe parents: 3366 diff changeset	4233 Evaluate the function named @var{name}. Any arguments after the first\n\
86873384cd10 [project @ 1999-11-21 17:31:07 by jwe] jwe parents: 3366 diff changeset	4234 are passed on to the named function. For example,\n\
86873384cd10 [project @ 1999-11-21 17:31:07 by jwe] jwe parents: 3366 diff changeset	4235 \n\
86873384cd10 [project @ 1999-11-21 17:31:07 by jwe] jwe parents: 3366 diff changeset	4236 @example\n\
11572 7d6d8c1e471f Grammarcheck Texinfo for files in src directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	4237 @group\n\
3371 86873384cd10 [project @ 1999-11-21 17:31:07 by jwe] jwe parents: 3366 diff changeset	4238 feval (\"acos\", -1)\n\
86873384cd10 [project @ 1999-11-21 17:31:07 by jwe] jwe parents: 3366 diff changeset	4239 @result{} 3.1416\n\
11572 7d6d8c1e471f Grammarcheck Texinfo for files in src directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	4240 @end group\n\
3371 86873384cd10 [project @ 1999-11-21 17:31:07 by jwe] jwe parents: 3366 diff changeset	4241 @end example\n\
3021 18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	4242 \n\
3371 86873384cd10 [project @ 1999-11-21 17:31:07 by jwe] jwe parents: 3366 diff changeset	4243 @noindent\n\
86873384cd10 [project @ 1999-11-21 17:31:07 by jwe] jwe parents: 3366 diff changeset	4244 calls the function @code{acos} with the argument @samp{-1}.\n\
86873384cd10 [project @ 1999-11-21 17:31:07 by jwe] jwe parents: 3366 diff changeset	4245 \n\
12946 8b5b85e26246 octave-parse.yy (feval): Update docstring to refer to function handles. Jordi Gutiérrez Hermoso <jordigh@gmail.com> parents: 12918 diff changeset	4246 The function @code{feval} can also be used with function handles of\n\
13019 1653d3a86fca doc: Fix warnings and errors in Texinfo required for building docs on stable branch. Rik <octave@nomad.inbox5.com> parents: 12946 diff changeset	4247 any sort (@pxref{Function Handles}). Historically, @code{feval} was\n\
12946 8b5b85e26246 octave-parse.yy (feval): Update docstring to refer to function handles. Jordi Gutiérrez Hermoso <jordigh@gmail.com> parents: 12918 diff changeset	4248 the only way to call user-supplied functions in strings, but\n\
8b5b85e26246 octave-parse.yy (feval): Update docstring to refer to function handles. Jordi Gutiérrez Hermoso <jordigh@gmail.com> parents: 12918 diff changeset	4249 function handles are now preferred due to the cleaner syntax they\n\
13019 1653d3a86fca doc: Fix warnings and errors in Texinfo required for building docs on stable branch. Rik <octave@nomad.inbox5.com> parents: 12946 diff changeset	4250 offer. For example,\n\
12946 8b5b85e26246 octave-parse.yy (feval): Update docstring to refer to function handles. Jordi Gutiérrez Hermoso <jordigh@gmail.com> parents: 12918 diff changeset	4251 \n\
8b5b85e26246 octave-parse.yy (feval): Update docstring to refer to function handles. Jordi Gutiérrez Hermoso <jordigh@gmail.com> parents: 12918 diff changeset	4252 @example\n\
8b5b85e26246 octave-parse.yy (feval): Update docstring to refer to function handles. Jordi Gutiérrez Hermoso <jordigh@gmail.com> parents: 12918 diff changeset	4253 @group\n\
8b5b85e26246 octave-parse.yy (feval): Update docstring to refer to function handles. Jordi Gutiérrez Hermoso <jordigh@gmail.com> parents: 12918 diff changeset	4254 @var{f} = @@exp;\n\
8b5b85e26246 octave-parse.yy (feval): Update docstring to refer to function handles. Jordi Gutiérrez Hermoso <jordigh@gmail.com> parents: 12918 diff changeset	4255 feval (@var{f}, 1)\n\
8b5b85e26246 octave-parse.yy (feval): Update docstring to refer to function handles. Jordi Gutiérrez Hermoso <jordigh@gmail.com> parents: 12918 diff changeset	4256 @result{} 2.7183\n\
8b5b85e26246 octave-parse.yy (feval): Update docstring to refer to function handles. Jordi Gutiérrez Hermoso <jordigh@gmail.com> parents: 12918 diff changeset	4257 @var{f} (1)\n\
8b5b85e26246 octave-parse.yy (feval): Update docstring to refer to function handles. Jordi Gutiérrez Hermoso <jordigh@gmail.com> parents: 12918 diff changeset	4258 @result{} 2.7183\n\
8b5b85e26246 octave-parse.yy (feval): Update docstring to refer to function handles. Jordi Gutiérrez Hermoso <jordigh@gmail.com> parents: 12918 diff changeset	4259 @end group\n\
8b5b85e26246 octave-parse.yy (feval): Update docstring to refer to function handles. Jordi Gutiérrez Hermoso <jordigh@gmail.com> parents: 12918 diff changeset	4260 @end example\n\
8b5b85e26246 octave-parse.yy (feval): Update docstring to refer to function handles. Jordi Gutiérrez Hermoso <jordigh@gmail.com> parents: 12918 diff changeset	4261 \n\
8b5b85e26246 octave-parse.yy (feval): Update docstring to refer to function handles. Jordi Gutiérrez Hermoso <jordigh@gmail.com> parents: 12918 diff changeset	4262 @noindent\n\
13019 1653d3a86fca doc: Fix warnings and errors in Texinfo required for building docs on stable branch. Rik <octave@nomad.inbox5.com> parents: 12946 diff changeset	4263 are equivalent ways to call the function referred to by @var{f}. If it\n\
12946 8b5b85e26246 octave-parse.yy (feval): Update docstring to refer to function handles. Jordi Gutiérrez Hermoso <jordigh@gmail.com> parents: 12918 diff changeset	4264 cannot be predicted beforehand that @var{f} is a function handle or the\n\
8b5b85e26246 octave-parse.yy (feval): Update docstring to refer to function handles. Jordi Gutiérrez Hermoso <jordigh@gmail.com> parents: 12918 diff changeset	4265 function name in a string, @code{feval} can be used instead.\n\
3371 86873384cd10 [project @ 1999-11-21 17:31:07 by jwe] jwe parents: 3366 diff changeset	4266 @end deftypefn")
3021 18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	4267 {
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	4268 octave_value_list retval;
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	4269
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	4270 int nargin = args.length ();
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	4271
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	4272 if (nargin > 0)
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	4273 retval = feval (args, nargout);
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	4274 else
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5794 diff changeset	4275 print_usage ();
3021 18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	4276
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	4277 return retval;
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	4278 }
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	4279
11225 8d8e10058df6 move builtin function from dispatch.cc to oct-parse.yy John W. Eaton <jwe@octave.org> parents: 11138 diff changeset	4280 DEFUN (builtin, args, nargout,
8d8e10058df6 move builtin function from dispatch.cc to oct-parse.yy John W. Eaton <jwe@octave.org> parents: 11138 diff changeset	4281 "-- texinfo --\n\
8d8e10058df6 move builtin function from dispatch.cc to oct-parse.yy John W. Eaton <jwe@octave.org> parents: 11138 diff changeset	4282 @deftypefn {Loadable Function} {[@dots{}]} builtin (@var{f}, @dots{})\n\
8d8e10058df6 move builtin function from dispatch.cc to oct-parse.yy John W. Eaton <jwe@octave.org> parents: 11138 diff changeset	4283 Call the base function @var{f} even if @var{f} is overloaded to\n\
11388 027fbc389898 Remove seealso reference to deprecated function dispatch. Rik <octave@nomad.inbox5.com> parents: 11367 diff changeset	4284 another function for the given type signature.\n\
11225 8d8e10058df6 move builtin function from dispatch.cc to oct-parse.yy John W. Eaton <jwe@octave.org> parents: 11138 diff changeset	4285 @end deftypefn")
8d8e10058df6 move builtin function from dispatch.cc to oct-parse.yy John W. Eaton <jwe@octave.org> parents: 11138 diff changeset	4286 {
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11572 diff changeset	4287 octave_value_list retval;
11225 8d8e10058df6 move builtin function from dispatch.cc to oct-parse.yy John W. Eaton <jwe@octave.org> parents: 11138 diff changeset	4288
8d8e10058df6 move builtin function from dispatch.cc to oct-parse.yy John W. Eaton <jwe@octave.org> parents: 11138 diff changeset	4289 int nargin = args.length ();
8d8e10058df6 move builtin function from dispatch.cc to oct-parse.yy John W. Eaton <jwe@octave.org> parents: 11138 diff changeset	4290
8d8e10058df6 move builtin function from dispatch.cc to oct-parse.yy John W. Eaton <jwe@octave.org> parents: 11138 diff changeset	4291 if (nargin > 0)
8d8e10058df6 move builtin function from dispatch.cc to oct-parse.yy John W. Eaton <jwe@octave.org> parents: 11138 diff changeset	4292 {
8d8e10058df6 move builtin function from dispatch.cc to oct-parse.yy John W. Eaton <jwe@octave.org> parents: 11138 diff changeset	4293 const std::string name (args(0).string_value ());
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11572 diff changeset	4294
11225 8d8e10058df6 move builtin function from dispatch.cc to oct-parse.yy John W. Eaton <jwe@octave.org> parents: 11138 diff changeset	4295 if (! error_state)
8d8e10058df6 move builtin function from dispatch.cc to oct-parse.yy John W. Eaton <jwe@octave.org> parents: 11138 diff changeset	4296 {
8d8e10058df6 move builtin function from dispatch.cc to oct-parse.yy John W. Eaton <jwe@octave.org> parents: 11138 diff changeset	4297 octave_value fcn = symbol_table::builtin_find (name);
8d8e10058df6 move builtin function from dispatch.cc to oct-parse.yy John W. Eaton <jwe@octave.org> parents: 11138 diff changeset	4298
8d8e10058df6 move builtin function from dispatch.cc to oct-parse.yy John W. Eaton <jwe@octave.org> parents: 11138 diff changeset	4299 if (fcn.is_defined ())
8d8e10058df6 move builtin function from dispatch.cc to oct-parse.yy John W. Eaton <jwe@octave.org> parents: 11138 diff changeset	4300 retval = feval (fcn.function_value (), args.splice (0, 1),
8d8e10058df6 move builtin function from dispatch.cc to oct-parse.yy John W. Eaton <jwe@octave.org> parents: 11138 diff changeset	4301 nargout);
8d8e10058df6 move builtin function from dispatch.cc to oct-parse.yy John W. Eaton <jwe@octave.org> parents: 11138 diff changeset	4302 else
8d8e10058df6 move builtin function from dispatch.cc to oct-parse.yy John W. Eaton <jwe@octave.org> parents: 11138 diff changeset	4303 error ("builtin: lookup for symbol `%s' failed", name.c_str ());
8d8e10058df6 move builtin function from dispatch.cc to oct-parse.yy John W. Eaton <jwe@octave.org> parents: 11138 diff changeset	4304 }
8d8e10058df6 move builtin function from dispatch.cc to oct-parse.yy John W. Eaton <jwe@octave.org> parents: 11138 diff changeset	4305 else
12483 7a5aacf65f81 Rewrite error strings in src/ to use variables named in documentation. Rik <octave@nomad.inbox5.com> parents: 12400 diff changeset	4306 error ("builtin: function name (F) must be a string");
11225 8d8e10058df6 move builtin function from dispatch.cc to oct-parse.yy John W. Eaton <jwe@octave.org> parents: 11138 diff changeset	4307 }
8d8e10058df6 move builtin function from dispatch.cc to oct-parse.yy John W. Eaton <jwe@octave.org> parents: 11138 diff changeset	4308 else
8d8e10058df6 move builtin function from dispatch.cc to oct-parse.yy John W. Eaton <jwe@octave.org> parents: 11138 diff changeset	4309 print_usage ();
8d8e10058df6 move builtin function from dispatch.cc to oct-parse.yy John W. Eaton <jwe@octave.org> parents: 11138 diff changeset	4310
8d8e10058df6 move builtin function from dispatch.cc to oct-parse.yy John W. Eaton <jwe@octave.org> parents: 11138 diff changeset	4311 return retval;
8d8e10058df6 move builtin function from dispatch.cc to oct-parse.yy John W. Eaton <jwe@octave.org> parents: 11138 diff changeset	4312 }
8d8e10058df6 move builtin function from dispatch.cc to oct-parse.yy John W. Eaton <jwe@octave.org> parents: 11138 diff changeset	4313
3099 8ce6fed79320 [project @ 1997-11-14 09:49:28 by jwe] jwe parents: 3095 diff changeset	4314 octave_value_list
3523 b80bbb43a1a9 [project @ 2000-02-02 10:25:52 by jwe] jwe parents: 3489 diff changeset	4315 eval_string (const std::string& s, bool silent, int& parse_status, int nargout)
3021 18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	4316 {
3877 55648fc616c8 [project @ 2002-03-07 23:00:09 by jwe] jwe parents: 3844 diff changeset	4317 octave_value_list retval;
55648fc616c8 [project @ 2002-03-07 23:00:09 by jwe] jwe parents: 3844 diff changeset	4318
10067 6f79338c269b omission from last patch Jaroslav Hajek <highegg@gmail.com> parents: 9794 diff changeset	4319 unwind_protect frame;
6f79338c269b omission from last patch Jaroslav Hajek <highegg@gmail.com> parents: 9794 diff changeset	4320
6f79338c269b omission from last patch Jaroslav Hajek <highegg@gmail.com> parents: 9794 diff changeset	4321 frame.protect_var (input_line_number);
6f79338c269b omission from last patch Jaroslav Hajek <highegg@gmail.com> parents: 9794 diff changeset	4322 frame.protect_var (current_input_column);
6f79338c269b omission from last patch Jaroslav Hajek <highegg@gmail.com> parents: 9794 diff changeset	4323 frame.protect_var (get_input_from_eval_string);
6f79338c269b omission from last patch Jaroslav Hajek <highegg@gmail.com> parents: 9794 diff changeset	4324 frame.protect_var (input_from_eval_string_pending);
6f79338c269b omission from last patch Jaroslav Hajek <highegg@gmail.com> parents: 9794 diff changeset	4325 frame.protect_var (parser_end_of_input);
6f79338c269b omission from last patch Jaroslav Hajek <highegg@gmail.com> parents: 9794 diff changeset	4326 frame.protect_var (line_editing);
6f79338c269b omission from last patch Jaroslav Hajek <highegg@gmail.com> parents: 9794 diff changeset	4327 frame.protect_var (current_eval_string);
6f79338c269b omission from last patch Jaroslav Hajek <highegg@gmail.com> parents: 9794 diff changeset	4328 frame.protect_var (current_function_depth);
6f79338c269b omission from last patch Jaroslav Hajek <highegg@gmail.com> parents: 9794 diff changeset	4329 frame.protect_var (max_function_depth);
6f79338c269b omission from last patch Jaroslav Hajek <highegg@gmail.com> parents: 9794 diff changeset	4330 frame.protect_var (parsing_subfunctions);
6f79338c269b omission from last patch Jaroslav Hajek <highegg@gmail.com> parents: 9794 diff changeset	4331 frame.protect_var (endfunction_found);
10130 0c3609dd34cf oct-parse.yy (eval_string): save and set reading_{script,fcn,classdef}_file vars John W. Eaton <jwe@octave.org> parents: 10067 diff changeset	4332 frame.protect_var (reading_fcn_file);
0c3609dd34cf oct-parse.yy (eval_string): save and set reading_{script,fcn,classdef}_file vars John W. Eaton <jwe@octave.org> parents: 10067 diff changeset	4333 frame.protect_var (reading_script_file);
0c3609dd34cf oct-parse.yy (eval_string): save and set reading_{script,fcn,classdef}_file vars John W. Eaton <jwe@octave.org> parents: 10067 diff changeset	4334 frame.protect_var (reading_classdef_file);
3021 18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	4335
8447 adab48231a03 make input_line_number work again John W. Eaton <jwe@octave.org> parents: 8311 diff changeset	4336 input_line_number = 1;
adab48231a03 make input_line_number work again John W. Eaton <jwe@octave.org> parents: 8311 diff changeset	4337 current_input_column = 1;
3021 18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	4338 get_input_from_eval_string = true;
3877 55648fc616c8 [project @ 2002-03-07 23:00:09 by jwe] jwe parents: 3844 diff changeset	4339 input_from_eval_string_pending = true;
3883 69b6bd271277 [project @ 2002-04-02 21:05:10 by jwe] jwe parents: 3881 diff changeset	4340 parser_end_of_input = false;
5189 85b315ad5f7d [project @ 2005-03-04 02:46:08 by jwe] jwe parents: 5180 diff changeset	4341 line_editing = false;
9474 25ed2d6aacf6 Parse nested functions more accurately. David Grundberg <individ@acc.umu.se> parents: 9471 diff changeset	4342 current_function_depth = 0;
25ed2d6aacf6 Parse nested functions more accurately. David Grundberg <individ@acc.umu.se> parents: 9471 diff changeset	4343 max_function_depth = 0;
25ed2d6aacf6 Parse nested functions more accurately. David Grundberg <individ@acc.umu.se> parents: 9471 diff changeset	4344 parsing_subfunctions = false;
25ed2d6aacf6 Parse nested functions more accurately. David Grundberg <individ@acc.umu.se> parents: 9471 diff changeset	4345 endfunction_found = false;
10130 0c3609dd34cf oct-parse.yy (eval_string): save and set reading_{script,fcn,classdef}_file vars John W. Eaton <jwe@octave.org> parents: 10067 diff changeset	4346 reading_fcn_file = false;
0c3609dd34cf oct-parse.yy (eval_string): save and set reading_{script,fcn,classdef}_file vars John W. Eaton <jwe@octave.org> parents: 10067 diff changeset	4347 reading_script_file = false;
0c3609dd34cf oct-parse.yy (eval_string): save and set reading_{script,fcn,classdef}_file vars John W. Eaton <jwe@octave.org> parents: 10067 diff changeset	4348 reading_classdef_file = false;
5189 85b315ad5f7d [project @ 2005-03-04 02:46:08 by jwe] jwe parents: 5180 diff changeset	4349
3021 18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	4350 current_eval_string = s;
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	4351
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	4352 YY_BUFFER_STATE old_buf = current_buffer ();
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	4353 YY_BUFFER_STATE new_buf = create_buffer (0);
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	4354
10067 6f79338c269b omission from last patch Jaroslav Hajek <highegg@gmail.com> parents: 9794 diff changeset	4355 frame.add_fcn (switch_to_buffer, old_buf);
6f79338c269b omission from last patch Jaroslav Hajek <highegg@gmail.com> parents: 9794 diff changeset	4356 frame.add_fcn (delete_buffer, new_buf);
3021 18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	4357
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	4358 switch_to_buffer (new_buf);
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	4359
3877 55648fc616c8 [project @ 2002-03-07 23:00:09 by jwe] jwe parents: 3844 diff changeset	4360 do
55648fc616c8 [project @ 2002-03-07 23:00:09 by jwe] jwe parents: 3844 diff changeset	4361 {
4318 115bffcecfd3 [project @ 2003-02-13 05:52:16 by jwe] jwe parents: 4297 diff changeset	4362 reset_parser ();
115bffcecfd3 [project @ 2003-02-13 05:52:16 by jwe] jwe parents: 4297 diff changeset	4363
10067 6f79338c269b omission from last patch Jaroslav Hajek <highegg@gmail.com> parents: 9794 diff changeset	4364 frame.protect_var (global_command);
7903 8018e10d2b87 save and restore global_command as needed John W. Eaton <jwe@octave.org> parents: 7901 diff changeset	4365
11258 795c97ace02c eliminate some possible memory leaks John W. Eaton <jwe@octave.org> parents: 11225 diff changeset	4366 global_command = 0;
795c97ace02c eliminate some possible memory leaks John W. Eaton <jwe@octave.org> parents: 11225 diff changeset	4367
9260 9c2349a51218 properly unmark forced variables John W. Eaton <jwe@octave.org> parents: 9144 diff changeset	4368 // Do this with an unwind-protect cleanup function so that the
9c2349a51218 properly unmark forced variables John W. Eaton <jwe@octave.org> parents: 9144 diff changeset	4369 // forced variables will be unmarked in the event of an
9c2349a51218 properly unmark forced variables John W. Eaton <jwe@octave.org> parents: 9144 diff changeset	4370 // interrupt.
9c2349a51218 properly unmark forced variables John W. Eaton <jwe@octave.org> parents: 9144 diff changeset	4371 symbol_table::scope_id scope = symbol_table::top_scope ();
10067 6f79338c269b omission from last patch Jaroslav Hajek <highegg@gmail.com> parents: 9794 diff changeset	4372 frame.add_fcn (symbol_table::unmark_forced_variables, scope);
9260 9c2349a51218 properly unmark forced variables John W. Eaton <jwe@octave.org> parents: 9144 diff changeset	4373
3877 55648fc616c8 [project @ 2002-03-07 23:00:09 by jwe] jwe parents: 3844 diff changeset	4374 parse_status = yyparse ();
55648fc616c8 [project @ 2002-03-07 23:00:09 by jwe] jwe parents: 3844 diff changeset	4375
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: 8471 diff changeset	4376 tree_statement_list *command_list = global_command;
3877 55648fc616c8 [project @ 2002-03-07 23:00:09 by jwe] jwe parents: 3844 diff changeset	4377
9260 9c2349a51218 properly unmark forced variables John W. Eaton <jwe@octave.org> parents: 9144 diff changeset	4378 // Unmark forced variables.
7903 8018e10d2b87 save and restore global_command as needed John W. Eaton <jwe@octave.org> parents: 7901 diff changeset	4379 // Restore previous value of global_command.
10067 6f79338c269b omission from last patch Jaroslav Hajek <highegg@gmail.com> parents: 9794 diff changeset	4380 frame.run_top (2);
7903 8018e10d2b87 save and restore global_command as needed John W. Eaton <jwe@octave.org> parents: 7901 diff changeset	4381
3883 69b6bd271277 [project @ 2002-04-02 21:05:10 by jwe] jwe parents: 3881 diff changeset	4382 if (parse_status == 0)
3877 55648fc616c8 [project @ 2002-03-07 23:00:09 by jwe] jwe parents: 3844 diff changeset	4383 {
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4384 if (command_list)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4385 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4386 tree_statement *stmt = 0;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4387
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4388 if (command_list->length () == 1
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4389 && (stmt = command_list->front ())
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4390 && stmt->is_expression ())
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4391 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4392 tree_expression *expr = stmt->expression ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4393
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4394 if (silent)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4395 expr->set_print_flag (false);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4396
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4397 bool do_bind_ans = false;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4398
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4399 if (expr->is_identifier ())
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4400 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4401 tree_identifier *id
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4402 = dynamic_cast<tree_identifier *> (expr);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4403
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4404 do_bind_ans = (! id->is_variable ());
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4405 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4406 else
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4407 do_bind_ans = (! expr->is_assignment_expression ());
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4408
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4409 retval = expr->rvalue (nargout);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4410
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4411 if (do_bind_ans && ! (error_state \|\| retval.empty ()))
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4412 bind_ans (retval(0), expr->print_result ());
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4413
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4414 if (nargout == 0)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4415 retval = octave_value_list ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4416 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4417 else if (nargout == 0)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4418 command_list->accept (*current_evaluator);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4419 else
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4420 error ("eval: invalid use of statement list");
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4421
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4422 delete command_list;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4423
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4424 command_list = 0;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4425
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4426 if (error_state
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4427 \|\| tree_return_command::returning
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4428 \|\| tree_break_command::breaking
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4429 \|\| tree_continue_command::continuing)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4430 break;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4431 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4432 else if (parser_end_of_input)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4433 break;
3883 69b6bd271277 [project @ 2002-04-02 21:05:10 by jwe] jwe parents: 3881 diff changeset	4434 }
3877 55648fc616c8 [project @ 2002-03-07 23:00:09 by jwe] jwe parents: 3844 diff changeset	4435 }
55648fc616c8 [project @ 2002-03-07 23:00:09 by jwe] jwe parents: 3844 diff changeset	4436 while (parse_status == 0);
3021 18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	4437
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	4438 return retval;
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	4439 }
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	4440
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	4441 octave_value
3523 b80bbb43a1a9 [project @ 2000-02-02 10:25:52 by jwe] jwe parents: 3489 diff changeset	4442 eval_string (const std::string& s, bool silent, int& parse_status)
3021 18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	4443 {
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	4444 octave_value retval;
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	4445
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	4446 octave_value_list tmp = eval_string (s, silent, parse_status, 1);
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	4447
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	4448 if (! tmp.empty ())
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	4449 retval = tmp(0);
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	4450
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	4451 return retval;
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	4452 }
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	4453
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	4454 static octave_value_list
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	4455 eval_string (const octave_value& arg, bool silent, int& parse_status,
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4456 int nargout)
3021 18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	4457 {
3523 b80bbb43a1a9 [project @ 2000-02-02 10:25:52 by jwe] jwe parents: 3489 diff changeset	4458 std::string s = arg.string_value ();
3021 18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	4459
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	4460 if (error_state)
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	4461 {
3523 b80bbb43a1a9 [project @ 2000-02-02 10:25:52 by jwe] jwe parents: 3489 diff changeset	4462 error ("eval: expecting std::string argument");
4233 ccfdb55c8156 [project @ 2002-12-20 22:43:54 by jwe] jwe parents: 4219 diff changeset	4463 return octave_value (-1);
3021 18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	4464 }
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	4465
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	4466 return eval_string (s, silent, parse_status, nargout);
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	4467 }
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	4468
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	4469 DEFUN (eval, args, nargout,
3371 86873384cd10 [project @ 1999-11-21 17:31:07 by jwe] jwe parents: 3366 diff changeset	4470 "-- texinfo --\n\
86873384cd10 [project @ 1999-11-21 17:31:07 by jwe] jwe parents: 3366 diff changeset	4471 @deftypefn {Built-in Function} {} eval (@var{try}, @var{catch})\n\
86873384cd10 [project @ 1999-11-21 17:31:07 by jwe] jwe parents: 3366 diff changeset	4472 Parse the string @var{try} and evaluate it as if it were an Octave\n\
6643 6a7fc4105bcc [project @ 2007-05-21 20:37:43 by jwe] jwe parents: 6637 diff changeset	4473 program. If that fails, evaluate the optional string @var{catch}.\n\
4463 322453495d75 [project @ 2003-07-12 05:03:33 by jwe] jwe parents: 4452 diff changeset	4474 The string @var{try} is evaluated in the current context,\n\
322453495d75 [project @ 2003-07-12 05:03:33 by jwe] jwe parents: 4452 diff changeset	4475 so any results remain available after @code{eval} returns.\n\
6643 6a7fc4105bcc [project @ 2007-05-21 20:37:43 by jwe] jwe parents: 6637 diff changeset	4476 \n\
6a7fc4105bcc [project @ 2007-05-21 20:37:43 by jwe] jwe parents: 6637 diff changeset	4477 The following example makes the variable @var{a} with the approximate\n\
6a7fc4105bcc [project @ 2007-05-21 20:37:43 by jwe] jwe parents: 6637 diff changeset	4478 value 3.1416 available.\n\
6a7fc4105bcc [project @ 2007-05-21 20:37:43 by jwe] jwe parents: 6637 diff changeset	4479 \n\
6a7fc4105bcc [project @ 2007-05-21 20:37:43 by jwe] jwe parents: 6637 diff changeset	4480 @example\n\
6a7fc4105bcc [project @ 2007-05-21 20:37:43 by jwe] jwe parents: 6637 diff changeset	4481 eval(\"a = acos(-1);\");\n\
6a7fc4105bcc [project @ 2007-05-21 20:37:43 by jwe] jwe parents: 6637 diff changeset	4482 @end example\n\
6a7fc4105bcc [project @ 2007-05-21 20:37:43 by jwe] jwe parents: 6637 diff changeset	4483 \n\
6a7fc4105bcc [project @ 2007-05-21 20:37:43 by jwe] jwe parents: 6637 diff changeset	4484 If an error occurs during the evaluation of @var{try} the @var{catch}\n\
8828 8463d1a2e544 Doc fixes. Brian Gough <bjg@network-theory.co.uk> parents: 8819 diff changeset	4485 string is evaluated, as the following example shows:\n\
6643 6a7fc4105bcc [project @ 2007-05-21 20:37:43 by jwe] jwe parents: 6637 diff changeset	4486 \n\
6a7fc4105bcc [project @ 2007-05-21 20:37:43 by jwe] jwe parents: 6637 diff changeset	4487 @example\n\
11572 7d6d8c1e471f Grammarcheck Texinfo for files in src directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	4488 @group\n\
6643 6a7fc4105bcc [project @ 2007-05-21 20:37:43 by jwe] jwe parents: 6637 diff changeset	4489 eval ('error (\"This is a bad example\");',\n\
8015 30629059b72d Update the manual to reflect the changes in error output sh@sh-laptop parents: 8007 diff changeset	4490 'printf (\"This error occurred:\\n%s\\n\", lasterr ());');\n\
7001 8b0cfeb06365 [project @ 2007-10-10 18:02:59 by jwe] jwe parents: 6926 diff changeset	4491 @print{} This error occurred:\n\
8015 30629059b72d Update the manual to reflect the changes in error output sh@sh-laptop parents: 8007 diff changeset	4492 This is a bad example\n\
11572 7d6d8c1e471f Grammarcheck Texinfo for files in src directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	4493 @end group\n\
6643 6a7fc4105bcc [project @ 2007-05-21 20:37:43 by jwe] jwe parents: 6637 diff changeset	4494 @end example\n\
3371 86873384cd10 [project @ 1999-11-21 17:31:07 by jwe] jwe parents: 3366 diff changeset	4495 @end deftypefn")
3021 18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	4496 {
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	4497 octave_value_list retval;
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	4498
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	4499 int nargin = args.length ();
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	4500
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	4501 if (nargin > 0)
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	4502 {
10067 6f79338c269b omission from last patch Jaroslav Hajek <highegg@gmail.com> parents: 9794 diff changeset	4503 unwind_protect frame;
3021 18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	4504
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	4505 if (nargin > 1)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4506 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4507 frame.protect_var (buffer_error_messages);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4508 buffer_error_messages++;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4509 }
3021 18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	4510
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	4511 int parse_status = 0;
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	4512
4463 322453495d75 [project @ 2003-07-12 05:03:33 by jwe] jwe parents: 4452 diff changeset	4513 octave_value_list tmp = eval_string (args(0), nargout > 0,
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4514 parse_status, nargout);
4463 322453495d75 [project @ 2003-07-12 05:03:33 by jwe] jwe parents: 4452 diff changeset	4515
3021 18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	4516 if (nargin > 1 && (parse_status != 0 \|\| error_state))
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4517 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4518 error_state = 0;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4519
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4520 // Set up for letting the user print any messages from
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4521 // errors that occurred in the first part of this eval().
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4522
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4523 buffer_error_messages--;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4524
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4525 tmp = eval_string (args(1), nargout > 0, parse_status, nargout);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4526
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4527 if (nargout > 0)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4528 retval = tmp;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4529 }
8033 2ad5ba320b93 parse.y (Feval): Return value produced by evaluating CATCH string John W. Eaton <jwe@octave.org> parents: 8021 diff changeset	4530 else if (nargout > 0)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4531 retval = tmp;
3021 18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	4532 }
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	4533 else
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5794 diff changeset	4534 print_usage ();
3021 18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	4535
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	4536 return retval;
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	4537 }
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	4538
7562 c827f5673321 move tests to individual source files John W. Eaton <jwe@octave.org> parents: 7351 diff changeset	4539 /*
c827f5673321 move tests to individual source files John W. Eaton <jwe@octave.org> parents: 7351 diff changeset	4540
c827f5673321 move tests to individual source files John W. Eaton <jwe@octave.org> parents: 7351 diff changeset	4541 %% test/octave.test/eval/eval-1.m
c827f5673321 move tests to individual source files John W. Eaton <jwe@octave.org> parents: 7351 diff changeset	4542 %!#test
c827f5673321 move tests to individual source files John W. Eaton <jwe@octave.org> parents: 7351 diff changeset	4543 %! x = 1;
c827f5673321 move tests to individual source files John W. Eaton <jwe@octave.org> parents: 7351 diff changeset	4544 %! assert(eval ("x"),1);
c827f5673321 move tests to individual source files John W. Eaton <jwe@octave.org> parents: 7351 diff changeset	4545
c827f5673321 move tests to individual source files John W. Eaton <jwe@octave.org> parents: 7351 diff changeset	4546 %% test/octave.test/eval/eval-2.m
c827f5673321 move tests to individual source files John W. Eaton <jwe@octave.org> parents: 7351 diff changeset	4547 %!test
c827f5673321 move tests to individual source files John W. Eaton <jwe@octave.org> parents: 7351 diff changeset	4548 %! x = 1;
c827f5673321 move tests to individual source files John W. Eaton <jwe@octave.org> parents: 7351 diff changeset	4549 %! assert(eval ("x;"));
c827f5673321 move tests to individual source files John W. Eaton <jwe@octave.org> parents: 7351 diff changeset	4550
c827f5673321 move tests to individual source files John W. Eaton <jwe@octave.org> parents: 7351 diff changeset	4551 %% test/octave.test/eval/eval-3.m
c827f5673321 move tests to individual source files John W. Eaton <jwe@octave.org> parents: 7351 diff changeset	4552 %!test
c827f5673321 move tests to individual source files John W. Eaton <jwe@octave.org> parents: 7351 diff changeset	4553 %! x = 1;
c827f5673321 move tests to individual source files John W. Eaton <jwe@octave.org> parents: 7351 diff changeset	4554 %! assert(eval ("x;"),1);
c827f5673321 move tests to individual source files John W. Eaton <jwe@octave.org> parents: 7351 diff changeset	4555
c827f5673321 move tests to individual source files John W. Eaton <jwe@octave.org> parents: 7351 diff changeset	4556 %% FIXME
c827f5673321 move tests to individual source files John W. Eaton <jwe@octave.org> parents: 7351 diff changeset	4557 %% Disable this test as adding the ";" is redundant with eval-1 and
c827f5673321 move tests to individual source files John W. Eaton <jwe@octave.org> parents: 7351 diff changeset	4558 %% in any case is a syntax error with assert
c827f5673321 move tests to individual source files John W. Eaton <jwe@octave.org> parents: 7351 diff changeset	4559 %% test/octave.test/eval/eval-4.m
c827f5673321 move tests to individual source files John W. Eaton <jwe@octave.org> parents: 7351 diff changeset	4560 %!#test
c827f5673321 move tests to individual source files John W. Eaton <jwe@octave.org> parents: 7351 diff changeset	4561 %! x = 1;
c827f5673321 move tests to individual source files John W. Eaton <jwe@octave.org> parents: 7351 diff changeset	4562 %! assert(eval ("x");,1);
c827f5673321 move tests to individual source files John W. Eaton <jwe@octave.org> parents: 7351 diff changeset	4563
c827f5673321 move tests to individual source files John W. Eaton <jwe@octave.org> parents: 7351 diff changeset	4564 %% test/octave.test/eval/eval-5.m
c827f5673321 move tests to individual source files John W. Eaton <jwe@octave.org> parents: 7351 diff changeset	4565 %!test
c827f5673321 move tests to individual source files John W. Eaton <jwe@octave.org> parents: 7351 diff changeset	4566 %! eval ("flipud = 2;");
c827f5673321 move tests to individual source files John W. Eaton <jwe@octave.org> parents: 7351 diff changeset	4567 %! assert(flipud,2);
c827f5673321 move tests to individual source files John W. Eaton <jwe@octave.org> parents: 7351 diff changeset	4568
c827f5673321 move tests to individual source files John W. Eaton <jwe@octave.org> parents: 7351 diff changeset	4569 %% test/octave.test/eval/eval-6.m
c827f5673321 move tests to individual source files John W. Eaton <jwe@octave.org> parents: 7351 diff changeset	4570 %!function y = f ()
c827f5673321 move tests to individual source files John W. Eaton <jwe@octave.org> parents: 7351 diff changeset	4571 %! eval ("flipud = 2;");
c827f5673321 move tests to individual source files John W. Eaton <jwe@octave.org> parents: 7351 diff changeset	4572 %! y = flipud;
c827f5673321 move tests to individual source files John W. Eaton <jwe@octave.org> parents: 7351 diff changeset	4573 %!test
c827f5673321 move tests to individual source files John W. Eaton <jwe@octave.org> parents: 7351 diff changeset	4574 %! assert(f,2);
c827f5673321 move tests to individual source files John W. Eaton <jwe@octave.org> parents: 7351 diff changeset	4575
c827f5673321 move tests to individual source files John W. Eaton <jwe@octave.org> parents: 7351 diff changeset	4576 %% test/octave.test/eval/eval-7.m
c827f5673321 move tests to individual source files John W. Eaton <jwe@octave.org> parents: 7351 diff changeset	4577 %!#test
c827f5673321 move tests to individual source files John W. Eaton <jwe@octave.org> parents: 7351 diff changeset	4578 %! eval ("x = 1");
c827f5673321 move tests to individual source files John W. Eaton <jwe@octave.org> parents: 7351 diff changeset	4579 %! assert(x,1);
c827f5673321 move tests to individual source files John W. Eaton <jwe@octave.org> parents: 7351 diff changeset	4580
c827f5673321 move tests to individual source files John W. Eaton <jwe@octave.org> parents: 7351 diff changeset	4581 %% test/octave.test/eval/eval-8.m
c827f5673321 move tests to individual source files John W. Eaton <jwe@octave.org> parents: 7351 diff changeset	4582 %!test
c827f5673321 move tests to individual source files John W. Eaton <jwe@octave.org> parents: 7351 diff changeset	4583 %! eval ("x = 1;")
c827f5673321 move tests to individual source files John W. Eaton <jwe@octave.org> parents: 7351 diff changeset	4584 %! assert(x,1);
c827f5673321 move tests to individual source files John W. Eaton <jwe@octave.org> parents: 7351 diff changeset	4585
c827f5673321 move tests to individual source files John W. Eaton <jwe@octave.org> parents: 7351 diff changeset	4586 %% test/octave.test/eval/eval-9.m
c827f5673321 move tests to individual source files John W. Eaton <jwe@octave.org> parents: 7351 diff changeset	4587 %!test
c827f5673321 move tests to individual source files John W. Eaton <jwe@octave.org> parents: 7351 diff changeset	4588 %! eval ("x = 1;");
c827f5673321 move tests to individual source files John W. Eaton <jwe@octave.org> parents: 7351 diff changeset	4589 %! assert(x,1);
c827f5673321 move tests to individual source files John W. Eaton <jwe@octave.org> parents: 7351 diff changeset	4590
c827f5673321 move tests to individual source files John W. Eaton <jwe@octave.org> parents: 7351 diff changeset	4591 %% test/octave.test/eval/eval-10.m
c827f5673321 move tests to individual source files John W. Eaton <jwe@octave.org> parents: 7351 diff changeset	4592 %!#test
c827f5673321 move tests to individual source files John W. Eaton <jwe@octave.org> parents: 7351 diff changeset	4593 %! eval ("x = 1")
c827f5673321 move tests to individual source files John W. Eaton <jwe@octave.org> parents: 7351 diff changeset	4594 %! assert(x,1);
c827f5673321 move tests to individual source files John W. Eaton <jwe@octave.org> parents: 7351 diff changeset	4595
c827f5673321 move tests to individual source files John W. Eaton <jwe@octave.org> parents: 7351 diff changeset	4596 %% test/octave.test/eval/eval-11.m
c827f5673321 move tests to individual source files John W. Eaton <jwe@octave.org> parents: 7351 diff changeset	4597 %!test
c827f5673321 move tests to individual source files John W. Eaton <jwe@octave.org> parents: 7351 diff changeset	4598 %! x = 1;
c827f5673321 move tests to individual source files John W. Eaton <jwe@octave.org> parents: 7351 diff changeset	4599 %! y = eval ("x");
c827f5673321 move tests to individual source files John W. Eaton <jwe@octave.org> parents: 7351 diff changeset	4600 %! assert(y,1);
c827f5673321 move tests to individual source files John W. Eaton <jwe@octave.org> parents: 7351 diff changeset	4601
c827f5673321 move tests to individual source files John W. Eaton <jwe@octave.org> parents: 7351 diff changeset	4602 %% test/octave.test/eval/eval-12.m
c827f5673321 move tests to individual source files John W. Eaton <jwe@octave.org> parents: 7351 diff changeset	4603 %!test
c827f5673321 move tests to individual source files John W. Eaton <jwe@octave.org> parents: 7351 diff changeset	4604 %! x = 1;
c827f5673321 move tests to individual source files John W. Eaton <jwe@octave.org> parents: 7351 diff changeset	4605 %! y = eval ("x;");
c827f5673321 move tests to individual source files John W. Eaton <jwe@octave.org> parents: 7351 diff changeset	4606 %! assert(y,1);
c827f5673321 move tests to individual source files John W. Eaton <jwe@octave.org> parents: 7351 diff changeset	4607
c827f5673321 move tests to individual source files John W. Eaton <jwe@octave.org> parents: 7351 diff changeset	4608 %% test/octave.test/eval/eval-13.m
c827f5673321 move tests to individual source files John W. Eaton <jwe@octave.org> parents: 7351 diff changeset	4609 %!test
c827f5673321 move tests to individual source files John W. Eaton <jwe@octave.org> parents: 7351 diff changeset	4610 %! x = 1;
c827f5673321 move tests to individual source files John W. Eaton <jwe@octave.org> parents: 7351 diff changeset	4611 %! y = eval ("x;");
c827f5673321 move tests to individual source files John W. Eaton <jwe@octave.org> parents: 7351 diff changeset	4612 %! assert(y,1);
c827f5673321 move tests to individual source files John W. Eaton <jwe@octave.org> parents: 7351 diff changeset	4613
c827f5673321 move tests to individual source files John W. Eaton <jwe@octave.org> parents: 7351 diff changeset	4614 %% test/octave.test/eval/eval-14.m
c827f5673321 move tests to individual source files John W. Eaton <jwe@octave.org> parents: 7351 diff changeset	4615 %!test
c827f5673321 move tests to individual source files John W. Eaton <jwe@octave.org> parents: 7351 diff changeset	4616 %! x = 1;
c827f5673321 move tests to individual source files John W. Eaton <jwe@octave.org> parents: 7351 diff changeset	4617 %! y = eval ("x");
c827f5673321 move tests to individual source files John W. Eaton <jwe@octave.org> parents: 7351 diff changeset	4618 %! assert(y,1);
c827f5673321 move tests to individual source files John W. Eaton <jwe@octave.org> parents: 7351 diff changeset	4619
c827f5673321 move tests to individual source files John W. Eaton <jwe@octave.org> parents: 7351 diff changeset	4620 */
c827f5673321 move tests to individual source files John W. Eaton <jwe@octave.org> parents: 7351 diff changeset	4621
4661 12b6fbd57436 [project @ 2003-11-25 05:41:35 by jwe] jwe parents: 4615 diff changeset	4622 DEFUN (assignin, args, ,
4297 59a2ba0fb205 [project @ 2003-01-11 20:22:09 by jwe] jwe parents: 4246 diff changeset	4623 "-- texinfo --\n\
59a2ba0fb205 [project @ 2003-01-11 20:22:09 by jwe] jwe parents: 4246 diff changeset	4624 @deftypefn {Built-in Function} {} assignin (@var{context}, @var{varname}, @var{value})\n\
59a2ba0fb205 [project @ 2003-01-11 20:22:09 by jwe] jwe parents: 4246 diff changeset	4625 Assign @var{value} to @var{varname} in context @var{context}, which\n\
59a2ba0fb205 [project @ 2003-01-11 20:22:09 by jwe] jwe parents: 4246 diff changeset	4626 may be either @code{\"base\"} or @code{\"caller\"}.\n\
59a2ba0fb205 [project @ 2003-01-11 20:22:09 by jwe] jwe parents: 4246 diff changeset	4627 @end deftypefn")
59a2ba0fb205 [project @ 2003-01-11 20:22:09 by jwe] jwe parents: 4246 diff changeset	4628 {
59a2ba0fb205 [project @ 2003-01-11 20:22:09 by jwe] jwe parents: 4246 diff changeset	4629 octave_value_list retval;
59a2ba0fb205 [project @ 2003-01-11 20:22:09 by jwe] jwe parents: 4246 diff changeset	4630
59a2ba0fb205 [project @ 2003-01-11 20:22:09 by jwe] jwe parents: 4246 diff changeset	4631 int nargin = args.length ();
59a2ba0fb205 [project @ 2003-01-11 20:22:09 by jwe] jwe parents: 4246 diff changeset	4632
59a2ba0fb205 [project @ 2003-01-11 20:22:09 by jwe] jwe parents: 4246 diff changeset	4633 if (nargin == 3)
59a2ba0fb205 [project @ 2003-01-11 20:22:09 by jwe] jwe parents: 4246 diff changeset	4634 {
59a2ba0fb205 [project @ 2003-01-11 20:22:09 by jwe] jwe parents: 4246 diff changeset	4635 std::string context = args(0).string_value ();
59a2ba0fb205 [project @ 2003-01-11 20:22:09 by jwe] jwe parents: 4246 diff changeset	4636
59a2ba0fb205 [project @ 2003-01-11 20:22:09 by jwe] jwe parents: 4246 diff changeset	4637 if (! error_state)
59a2ba0fb205 [project @ 2003-01-11 20:22:09 by jwe] jwe parents: 4246 diff changeset	4638 {
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4639 unwind_protect frame;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4640
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4641 if (context == "caller")
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4642 octave_call_stack::goto_caller_frame ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4643 else if (context == "base")
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4644 octave_call_stack::goto_base_frame ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4645 else
12483 7a5aacf65f81 Rewrite error strings in src/ to use variables named in documentation. Rik <octave@nomad.inbox5.com> parents: 12400 diff changeset	4646 error ("assignin: CONTEXT must be \"caller\" or \"base\"");
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4647
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4648 if (! error_state)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4649 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4650 frame.add_fcn (octave_call_stack::pop);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4651
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4652 std::string nm = args(1).string_value ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4653
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4654 if (! error_state)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4655 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4656 if (valid_identifier (nm))
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4657 symbol_table::varref (nm) = args(2);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4658 else
12483 7a5aacf65f81 Rewrite error strings in src/ to use variables named in documentation. Rik <octave@nomad.inbox5.com> parents: 12400 diff changeset	4659 error ("assignin: invalid variable name in argument VARNAME");
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4660 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4661 else
12483 7a5aacf65f81 Rewrite error strings in src/ to use variables named in documentation. Rik <octave@nomad.inbox5.com> parents: 12400 diff changeset	4662 error ("assignin: VARNAME must be a string");
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4663 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4664 }
4297 59a2ba0fb205 [project @ 2003-01-11 20:22:09 by jwe] jwe parents: 4246 diff changeset	4665 else
12483 7a5aacf65f81 Rewrite error strings in src/ to use variables named in documentation. Rik <octave@nomad.inbox5.com> parents: 12400 diff changeset	4666 error ("assignin: CONTEXT must be a string");
4297 59a2ba0fb205 [project @ 2003-01-11 20:22:09 by jwe] jwe parents: 4246 diff changeset	4667 }
59a2ba0fb205 [project @ 2003-01-11 20:22:09 by jwe] jwe parents: 4246 diff changeset	4668 else
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5794 diff changeset	4669 print_usage ();
4297 59a2ba0fb205 [project @ 2003-01-11 20:22:09 by jwe] jwe parents: 4246 diff changeset	4670
59a2ba0fb205 [project @ 2003-01-11 20:22:09 by jwe] jwe parents: 4246 diff changeset	4671 return retval;
59a2ba0fb205 [project @ 2003-01-11 20:22:09 by jwe] jwe parents: 4246 diff changeset	4672 }
59a2ba0fb205 [project @ 2003-01-11 20:22:09 by jwe] jwe parents: 4246 diff changeset	4673
4245 610671be8792 [project @ 2002-12-28 04:02:31 by jwe] jwe parents: 4244 diff changeset	4674 DEFUN (evalin, args, nargout,
610671be8792 [project @ 2002-12-28 04:02:31 by jwe] jwe parents: 4244 diff changeset	4675 "-- texinfo --\n\
610671be8792 [project @ 2002-12-28 04:02:31 by jwe] jwe parents: 4244 diff changeset	4676 @deftypefn {Built-in Function} {} evalin (@var{context}, @var{try}, @var{catch})\n\
610671be8792 [project @ 2002-12-28 04:02:31 by jwe] jwe parents: 4244 diff changeset	4677 Like @code{eval}, except that the expressions are evaluated in the\n\
610671be8792 [project @ 2002-12-28 04:02:31 by jwe] jwe parents: 4244 diff changeset	4678 context @var{context}, which may be either @code{\"caller\"} or\n\
4246 0253850a08d7 [project @ 2002-12-30 17:57:36 by jwe] jwe parents: 4245 diff changeset	4679 @code{\"base\"}.\n\
4245 610671be8792 [project @ 2002-12-28 04:02:31 by jwe] jwe parents: 4244 diff changeset	4680 @end deftypefn")
610671be8792 [project @ 2002-12-28 04:02:31 by jwe] jwe parents: 4244 diff changeset	4681 {
610671be8792 [project @ 2002-12-28 04:02:31 by jwe] jwe parents: 4244 diff changeset	4682 octave_value_list retval;
610671be8792 [project @ 2002-12-28 04:02:31 by jwe] jwe parents: 4244 diff changeset	4683
610671be8792 [project @ 2002-12-28 04:02:31 by jwe] jwe parents: 4244 diff changeset	4684 int nargin = args.length ();
610671be8792 [project @ 2002-12-28 04:02:31 by jwe] jwe parents: 4244 diff changeset	4685
610671be8792 [project @ 2002-12-28 04:02:31 by jwe] jwe parents: 4244 diff changeset	4686 if (nargin > 1)
610671be8792 [project @ 2002-12-28 04:02:31 by jwe] jwe parents: 4244 diff changeset	4687 {
610671be8792 [project @ 2002-12-28 04:02:31 by jwe] jwe parents: 4244 diff changeset	4688 std::string context = args(0).string_value ();
610671be8792 [project @ 2002-12-28 04:02:31 by jwe] jwe parents: 4244 diff changeset	4689
610671be8792 [project @ 2002-12-28 04:02:31 by jwe] jwe parents: 4244 diff changeset	4690 if (! error_state)
610671be8792 [project @ 2002-12-28 04:02:31 by jwe] jwe parents: 4244 diff changeset	4691 {
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4692 unwind_protect frame;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4693
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4694 if (context == "caller")
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4695 octave_call_stack::goto_caller_frame ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4696 else if (context == "base")
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4697 octave_call_stack::goto_base_frame ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4698 else
12483 7a5aacf65f81 Rewrite error strings in src/ to use variables named in documentation. Rik <octave@nomad.inbox5.com> parents: 12400 diff changeset	4699 error ("evalin: CONTEXT must be \"caller\" or \"base\"");
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4700
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4701 if (! error_state)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4702 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4703 frame.add_fcn (octave_call_stack::pop);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4704
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4705 if (nargin > 2)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4706 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4707 frame.protect_var (buffer_error_messages);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4708 buffer_error_messages++;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4709 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4710
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4711 int parse_status = 0;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4712
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4713 octave_value_list tmp = eval_string (args(1), nargout > 0,
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4714 parse_status, nargout);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4715
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4716 if (nargout > 0)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4717 retval = tmp;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4718
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4719 if (nargin > 2 && (parse_status != 0 \|\| error_state))
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4720 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4721 error_state = 0;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4722
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4723 // Set up for letting the user print any messages from
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4724 // errors that occurred in the first part of this eval().
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4725
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4726 buffer_error_messages--;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4727
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4728 tmp = eval_string (args(2), nargout > 0,
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4729 parse_status, nargout);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4730
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4731 retval = (nargout > 0) ? tmp : octave_value_list ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4732 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4733 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4734 }
4245 610671be8792 [project @ 2002-12-28 04:02:31 by jwe] jwe parents: 4244 diff changeset	4735 else
12483 7a5aacf65f81 Rewrite error strings in src/ to use variables named in documentation. Rik <octave@nomad.inbox5.com> parents: 12400 diff changeset	4736 error ("evalin: CONTEXT must be a string");
4245 610671be8792 [project @ 2002-12-28 04:02:31 by jwe] jwe parents: 4244 diff changeset	4737 }
610671be8792 [project @ 2002-12-28 04:02:31 by jwe] jwe parents: 4244 diff changeset	4738 else
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5794 diff changeset	4739 print_usage ();
4245 610671be8792 [project @ 2002-12-28 04:02:31 by jwe] jwe parents: 4244 diff changeset	4740
610671be8792 [project @ 2002-12-28 04:02:31 by jwe] jwe parents: 4244 diff changeset	4741 return retval;
610671be8792 [project @ 2002-12-28 04:02:31 by jwe] jwe parents: 4244 diff changeset	4742 }
610671be8792 [project @ 2002-12-28 04:02:31 by jwe] jwe parents: 4244 diff changeset	4743
8311 7124bffc89c7 parse.y (F__parser_debug_flag__): New function. John W. Eaton <jwe@octave.org> parents: 8283 diff changeset	4744 DEFUN (__parser_debug_flag__, args, nargout,
8812 7d48766c21a5 use consistent format for doc strings of internal functions John W. Eaton <jwe@octave.org> parents: 8746 diff changeset	4745 "-- texinfo --\n\
7d48766c21a5 use consistent format for doc strings of internal functions John W. Eaton <jwe@octave.org> parents: 8746 diff changeset	4746 @deftypefn {Built-in Function} {@var{old_val} =} __parser_debug_flag__ (@var{new_val}))\n\
7d48766c21a5 use consistent format for doc strings of internal functions John W. Eaton <jwe@octave.org> parents: 8746 diff changeset	4747 Undocumented internal function.\n\
7d48766c21a5 use consistent format for doc strings of internal functions John W. Eaton <jwe@octave.org> parents: 8746 diff changeset	4748 @end deftypefn")
8311 7124bffc89c7 parse.y (F__parser_debug_flag__): New function. John W. Eaton <jwe@octave.org> parents: 8283 diff changeset	4749 {
7124bffc89c7 parse.y (F__parser_debug_flag__): New function. John W. Eaton <jwe@octave.org> parents: 8283 diff changeset	4750 octave_value retval;
7124bffc89c7 parse.y (F__parser_debug_flag__): New function. John W. Eaton <jwe@octave.org> parents: 8283 diff changeset	4751
7124bffc89c7 parse.y (F__parser_debug_flag__): New function. John W. Eaton <jwe@octave.org> parents: 8283 diff changeset	4752 bool debug_flag = octave_debug;
7124bffc89c7 parse.y (F__parser_debug_flag__): New function. John W. Eaton <jwe@octave.org> parents: 8283 diff changeset	4753
7124bffc89c7 parse.y (F__parser_debug_flag__): New function. John W. Eaton <jwe@octave.org> parents: 8283 diff changeset	4754 retval = set_internal_variable (debug_flag, args, nargout,
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4755 "__parser_debug_flag__");
8311 7124bffc89c7 parse.y (F__parser_debug_flag__): New function. John W. Eaton <jwe@octave.org> parents: 8283 diff changeset	4756
7124bffc89c7 parse.y (F__parser_debug_flag__): New function. John W. Eaton <jwe@octave.org> parents: 8283 diff changeset	4757 octave_debug = debug_flag;
7124bffc89c7 parse.y (F__parser_debug_flag__): New function. John W. Eaton <jwe@octave.org> parents: 8283 diff changeset	4758
7124bffc89c7 parse.y (F__parser_debug_flag__): New function. John W. Eaton <jwe@octave.org> parents: 8283 diff changeset	4759 return retval;
7124bffc89c7 parse.y (F__parser_debug_flag__): New function. John W. Eaton <jwe@octave.org> parents: 8283 diff changeset	4760 }

Mercurial > octave-antonio

annotate src/oct-parse.yy @ 13246:0c69a564f2be