octave-nkf: libinterp/parse-tree/oct-parse.in.yy annotate

annotate libinterp/parse-tree/oct-parse.in.yy @ 17629:1e8f8900a041

clean up partially constructed parse tree objects on parse errors (bug #40231) * oct-parse.in.yy (%destructor): New declaration of cleanup actions to take for items on the parser stack when a parse error occurs.

author	John W. Eaton <jwe@octave.org>
date	Fri, 11 Oct 2013 09:05:54 -0400
parents	fd712a12fe53
children	bd0a84de3375

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
14138 72c96de7a403 maint: update copyright notices for 2012 John W. Eaton <jwe@octave.org> parents: 14084 diff changeset	3 Copyright (C) 1993-2012 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
16149 49dfba4fd3c5 use pure parser and reentrant lexer interfaces John W. Eaton <jwe@octave.org> parents: 16147 diff changeset	79 // oct-parse.h must be included after pt-all.h
49dfba4fd3c5 use pure parser and reentrant lexer interfaces John W. Eaton <jwe@octave.org> parents: 16147 diff changeset	80 #include <oct-parse.h>
49dfba4fd3c5 use pure parser and reentrant lexer interfaces John W. Eaton <jwe@octave.org> parents: 16147 diff changeset	81
49dfba4fd3c5 use pure parser and reentrant lexer interfaces John W. Eaton <jwe@octave.org> parents: 16147 diff changeset	82 extern int octave_lex (YYSTYPE , void );
49dfba4fd3c5 use pure parser and reentrant lexer interfaces John W. Eaton <jwe@octave.org> parents: 16147 diff changeset	83
49dfba4fd3c5 use pure parser and reentrant lexer interfaces John W. Eaton <jwe@octave.org> parents: 16147 diff changeset	84 // Global access to currently active lexer.
49dfba4fd3c5 use pure parser and reentrant lexer interfaces John W. Eaton <jwe@octave.org> parents: 16147 diff changeset	85 // FIXME -- to be removed after more parser+lexer refactoring.
16293 57e87ddfee14 create base class for lexer John W. Eaton <jwe@octave.org> parents: 16288 diff changeset	86 octave_base_lexer *LEXER = 0;
16149 49dfba4fd3c5 use pure parser and reentrant lexer interfaces John W. Eaton <jwe@octave.org> parents: 16147 diff changeset	87
10426 4db7beace28e oct-parse.yy, lex.ll: use symbols via gnulib namespace John W. Eaton <jwe@octave.org> parents: 10411 diff changeset	88 #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	89 // 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	90 // 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	91 // 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	92 #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	93 #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	94 #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	95 #endif
4db7beace28e oct-parse.yy, lex.ll: use symbols via gnulib namespace John W. Eaton <jwe@octave.org> parents: 10411 diff changeset	96
3021 18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	97 // TRUE means we printed messages about reading startup files.
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	98 bool reading_startup_message_printed = false;
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	99
5484 2ff5363a16bd [project @ 2005-10-06 17:12:12 by jwe] jwe parents: 5472 diff changeset	100 // List of autoloads (function -> file mapping).
2ff5363a16bd [project @ 2005-10-06 17:12:12 by jwe] jwe parents: 5472 diff changeset	101 static std::map<std::string, std::string> autoload_map;
2ff5363a16bd [project @ 2005-10-06 17:12:12 by jwe] jwe parents: 5472 diff changeset	102
496 e7c5b23b34d3 [project @ 1994-07-06 15:02:26 by jwe] jwe parents: 482 diff changeset	103 // 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	104 // the file.
e7c5b23b34d3 [project @ 1994-07-06 15:02:26 by jwe] jwe parents: 482 diff changeset	105
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	106 static void yyerror (octave_base_parser& parser, const char *s);
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	107
8448 d6c0d5f208de parse.y: avoid storing null statements in statement lists John W. Eaton <jwe@octave.org> parents: 8447 diff changeset	108 // Finish building a statement.
d6c0d5f208de parse.y: avoid storing null statements in statement lists John W. Eaton <jwe@octave.org> parents: 8447 diff changeset	109 template <class T>
d6c0d5f208de parse.y: avoid storing null statements in statement lists John W. Eaton <jwe@octave.org> parents: 8447 diff changeset	110 static tree_statement *
d6c0d5f208de parse.y: avoid storing null statements in statement lists John W. Eaton <jwe@octave.org> parents: 8447 diff changeset	111 make_statement (T *arg)
d6c0d5f208de parse.y: avoid storing null statements in statement lists John W. Eaton <jwe@octave.org> parents: 8447 diff changeset	112 {
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	113 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	114
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	115 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	116 }
d6c0d5f208de parse.y: avoid storing null statements in statement lists John W. Eaton <jwe@octave.org> parents: 8447 diff changeset	117
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	118 #define ABORT_PARSE \
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	119 do \
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	120 { \
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	121 yyerrok; \
16320 09f0cb9cac7d don't modify symbol table scope in the parser John W. Eaton <jwe@octave.org> parents: 16302 diff changeset	122 if ((interactive \|\| forced_interactive) \
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	123 && ! lexer.input_from_eval_string ()) \
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	124 YYACCEPT; \
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	125 else \
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	126 YYABORT; \
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	127 } \
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	128 while (0)
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	129
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	130 #define lexer parser.lexer
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	131 #define scanner lexer.scanner
16149 49dfba4fd3c5 use pure parser and reentrant lexer interfaces John W. Eaton <jwe@octave.org> parents: 16147 diff changeset	132
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	133 %}
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	134
666 fb4f6556b443 [project @ 1994-09-06 21:22:46 by jwe] jwe parents: 627 diff changeset	135 // Bison declarations.
fb4f6556b443 [project @ 1994-09-06 21:22:46 by jwe] jwe parents: 627 diff changeset	136
4813 fba5c6e96e0f [project @ 2004-03-03 23:35:43 by jwe] jwe parents: 4753 diff changeset	137 // 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	138 // bison to fail to properly recognize the directive.
fba5c6e96e0f [project @ 2004-03-03 23:35:43 by jwe] jwe parents: 4753 diff changeset	139
fba5c6e96e0f [project @ 2004-03-03 23:35:43 by jwe] jwe parents: 4753 diff changeset	140 %name-prefix="octave_"
4753 9f0ce1536368 [project @ 2004-02-13 17:55:24 by jwe] jwe parents: 4699 diff changeset	141
16149 49dfba4fd3c5 use pure parser and reentrant lexer interfaces John W. Eaton <jwe@octave.org> parents: 16147 diff changeset	142 // We are using the pure parser interface and the reentrant lexer
49dfba4fd3c5 use pure parser and reentrant lexer interfaces John W. Eaton <jwe@octave.org> parents: 16147 diff changeset	143 // interface but the Octave parser and lexer are NOT properly
49dfba4fd3c5 use pure parser and reentrant lexer interfaces John W. Eaton <jwe@octave.org> parents: 16147 diff changeset	144 // reentrant because both still use many global variables. It should be
49dfba4fd3c5 use pure parser and reentrant lexer interfaces John W. Eaton <jwe@octave.org> parents: 16147 diff changeset	145 // safe to create a parser object and call it while anotehr parser
49dfba4fd3c5 use pure parser and reentrant lexer interfaces John W. Eaton <jwe@octave.org> parents: 16147 diff changeset	146 // object is active (to parse a callback function while the main
49dfba4fd3c5 use pure parser and reentrant lexer interfaces John W. Eaton <jwe@octave.org> parents: 16147 diff changeset	147 // interactive parser is waiting for input, for example) if you take
49dfba4fd3c5 use pure parser and reentrant lexer interfaces John W. Eaton <jwe@octave.org> parents: 16147 diff changeset	148 // care to properly save and restore (typically with an unwind_protect
49dfba4fd3c5 use pure parser and reentrant lexer interfaces John W. Eaton <jwe@octave.org> parents: 16147 diff changeset	149 // object) relevant global values before and after the nested call.
49dfba4fd3c5 use pure parser and reentrant lexer interfaces John W. Eaton <jwe@octave.org> parents: 16147 diff changeset	150
49dfba4fd3c5 use pure parser and reentrant lexer interfaces John W. Eaton <jwe@octave.org> parents: 16147 diff changeset	151 %define api.pure
16174 39096b290a2f check syntax used to enable bison push/pull parser John W. Eaton <jwe@octave.org> parents: 16167 diff changeset	152 %PUSH_PULL_DECL%
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	153 %parse-param { octave_base_parser& parser }
16149 49dfba4fd3c5 use pure parser and reentrant lexer interfaces John W. Eaton <jwe@octave.org> parents: 16147 diff changeset	154 %lex-param { void *scanner }
49dfba4fd3c5 use pure parser and reentrant lexer interfaces John W. Eaton <jwe@octave.org> parents: 16147 diff changeset	155
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	156 %union
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	157 {
2891 1a30f46e1870 [project @ 1997-04-28 01:49:00 by jwe] jwe parents: 2884 diff changeset	158 // 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	159 token *tok_val;
7849db4b6dbc [project @ 1993-10-04 02:36:45 by jwe] jwe parents: 118 diff changeset	160
3665 0689afb1d001 [project @ 2000-05-11 19:07:56 by jwe] jwe parents: 3544 diff changeset	161 // 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	162 octave_comment_list *comment_type;
0689afb1d001 [project @ 2000-05-11 19:07:56 by jwe] jwe parents: 3544 diff changeset	163
2891 1a30f46e1870 [project @ 1997-04-28 01:49:00 by jwe] jwe parents: 2884 diff changeset	164 // Types for the nonterminals we generate.
2525 8561d88be5f2 [project @ 1996-11-17 21:23:31 by jwe] jwe parents: 2524 diff changeset	165 char sep_type;
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	166 tree *tree_type;
1829 7d2982b55242 [project @ 1996-02-02 14:12:59 by jwe] jwe parents: 1826 diff changeset	167 tree_matrix *tree_matrix_type;
3351 8623649c967c [project @ 1999-11-15 16:17:01 by jwe] jwe parents: 3347 diff changeset	168 tree_cell *tree_cell_type;
496 e7c5b23b34d3 [project @ 1994-07-06 15:02:26 by jwe] jwe parents: 482 diff changeset	169 tree_expression *tree_expression_type;
2375 7ef24992e290 [project @ 1996-10-12 00:39:52 by jwe] jwe parents: 2200 diff changeset	170 tree_constant *tree_constant_type;
4342 813effe14ee1 [project @ 2003-02-20 08:35:55 by jwe] jwe parents: 4318 diff changeset	171 tree_fcn_handle *tree_fcn_handle_type;
5861 2a6cb4ed8f1e [project @ 2006-06-16 05:09:41 by jwe] jwe parents: 5848 diff changeset	172 tree_anon_fcn_handle *tree_anon_fcn_handle_type;
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	173 tree_identifier *tree_identifier_type;
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	174 tree_index_expression *tree_index_expression_type;
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	175 tree_colon_expression *tree_colon_expression_type;
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	176 tree_argument_list *tree_argument_list_type;
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	177 tree_parameter_list *tree_parameter_list_type;
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	178 tree_command *tree_command_type;
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	179 tree_if_command *tree_if_command_type;
578 d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	180 tree_if_clause *tree_if_clause_type;
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	181 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	182 tree_switch_command *tree_switch_command_type;
2c0f259cf83d [project @ 1997-03-01 02:30:26 by jwe] jwe parents: 2745 diff changeset	183 tree_switch_case *tree_switch_case_type;
2c0f259cf83d [project @ 1997-03-01 02:30:26 by jwe] jwe parents: 2745 diff changeset	184 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	185 tree_decl_elt *tree_decl_elt_type;
52e7c4509983 [project @ 1997-03-26 23:27:35 by jwe] jwe parents: 2825 diff changeset	186 tree_decl_init_list *tree_decl_init_list_type;
52e7c4509983 [project @ 1997-03-26 23:27:35 by jwe] jwe parents: 2825 diff changeset	187 tree_decl_command *tree_decl_command_type;
578 d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	188 tree_statement *tree_statement_type;
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	189 tree_statement_list *tree_statement_list_type;
2891 1a30f46e1870 [project @ 1997-04-28 01:49:00 by jwe] jwe parents: 2884 diff changeset	190 octave_user_function *octave_user_function_type;
9476 d9b25c5b8ee5 handle classdef syntax in lexer and parser Ryan Rusaw parents: 9474 diff changeset	191 void *dummy_type;
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	192 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	193
143 7849db4b6dbc [project @ 1993-10-04 02:36:45 by jwe] jwe parents: 118 diff changeset	194 // Tokens with line and column information.
7849db4b6dbc [project @ 1993-10-04 02:36:45 by jwe] jwe parents: 118 diff changeset	195 %token <tok_val> '=' ':' '-' '+' '*' '/'
4018 a8621d87fbf5 [project @ 2002-08-05 03:17:25 by jwe] jwe parents: 4009 diff changeset	196 %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	197 %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	198 %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	199 %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	200 %token <tok_val> EXPR_AND EXPR_OR EXPR_NOT
7849db4b6dbc [project @ 1993-10-04 02:36:45 by jwe] jwe parents: 118 diff changeset	201 %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	202 %token <tok_val> LEFTDIV EMUL EDIV ELEFTDIV EPLUS EMINUS
16284 09881dab3aaf * lex.ll, oct-parse.in.yy (HERMITIAN): Rename token from QUOTE. John W. Eaton <jwe@octave.org> parents: 16279 diff changeset	203 %token <tok_val> HERMITIAN TRANSPOSE
143 7849db4b6dbc [project @ 1993-10-04 02:36:45 by jwe] jwe parents: 118 diff changeset	204 %token <tok_val> PLUS_PLUS MINUS_MINUS POW EPOW
7849db4b6dbc [project @ 1993-10-04 02:36:45 by jwe] jwe parents: 118 diff changeset	205 %token <tok_val> NUM IMAG_NUM
2970 b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	206 %token <tok_val> STRUCT_ELT
2883 0b3954110c77 [project @ 1997-04-24 09:57:05 by jwe] jwe parents: 2865 diff changeset	207 %token <tok_val> NAME
143 7849db4b6dbc [project @ 1993-10-04 02:36:45 by jwe] jwe parents: 118 diff changeset	208 %token <tok_val> END
5279 bd32f770c09a [project @ 2005-04-12 21:55:31 by jwe] jwe parents: 5189 diff changeset	209 %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	210 %token <tok_val> FOR PARFOR WHILE DO UNTIL
1491 893b416bb919 [project @ 1995-09-29 04:03:01 by jwe] jwe parents: 1489 diff changeset	211 %token <tok_val> IF ELSEIF ELSE
2764 2c0f259cf83d [project @ 1997-03-01 02:30:26 by jwe] jwe parents: 2745 diff changeset	212 %token <tok_val> SWITCH CASE OTHERWISE
1491 893b416bb919 [project @ 1995-09-29 04:03:01 by jwe] jwe parents: 1489 diff changeset	213 %token <tok_val> BREAK CONTINUE FUNC_RET
924 8b0920cc1d64 [project @ 1994-11-15 00:40:50 by jwe] jwe parents: 922 diff changeset	214 %token <tok_val> UNWIND CLEANUP
1489 3e705c864019 [project @ 1995-09-28 05:38:26 by jwe] jwe parents: 1371 diff changeset	215 %token <tok_val> TRY CATCH
14294 9e3983c8963c deprecate the static keyword John W. Eaton <jwe@octave.org> parents: 14293 diff changeset	216 %token <tok_val> GLOBAL PERSISTENT
4342 813effe14ee1 [project @ 2003-02-20 08:35:55 by jwe] jwe parents: 4318 diff changeset	217 %token <tok_val> FCN_HANDLE
13249 7861a5fd3479 accept enumeration keyword John W. Eaton <jwe@octave.org> parents: 13246 diff changeset	218 %token <tok_val> PROPERTIES METHODS EVENTS ENUMERATION
9476 d9b25c5b8ee5 handle classdef syntax in lexer and parser Ryan Rusaw parents: 9474 diff changeset	219 %token <tok_val> METAQUERY
d9b25c5b8ee5 handle classdef syntax in lexer and parser Ryan Rusaw parents: 9474 diff changeset	220 %token <tok_val> SUPERCLASSREF
d9b25c5b8ee5 handle classdef syntax in lexer and parser Ryan Rusaw parents: 9474 diff changeset	221 %token <tok_val> GET SET
16627 de91b1621260 adjust location of eof marker for files with subfunctions but no explicit end statements John W. Eaton <jwe@octave.org> parents: 16574 diff changeset	222 %token <tok_val> FCN
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	223
143 7849db4b6dbc [project @ 1993-10-04 02:36:45 by jwe] jwe parents: 118 diff changeset	224 // Other tokens.
2970 b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	225 %token END_OF_INPUT LEXICAL_ERROR
16627 de91b1621260 adjust location of eof marker for files with subfunctions but no explicit end statements John W. Eaton <jwe@octave.org> parents: 16574 diff changeset	226 %token INPUT_FILE CLASSDEF
7587 1f662945c2be handle varargin and varargout without keywords John W. Eaton <jwe@octave.org> parents: 7562 diff changeset	227 // %token VARARGIN VARARGOUT
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	228
143 7849db4b6dbc [project @ 1993-10-04 02:36:45 by jwe] jwe parents: 118 diff changeset	229 // Nonterminals we construct.
16627 de91b1621260 adjust location of eof marker for files with subfunctions but no explicit end statements John W. Eaton <jwe@octave.org> parents: 16574 diff changeset	230 %type <tok_val> function_beg
de91b1621260 adjust location of eof marker for files with subfunctions but no explicit end statements John W. Eaton <jwe@octave.org> parents: 16574 diff changeset	231 %type <comment_type> stash_comment classdef_beg
13249 7861a5fd3479 accept enumeration keyword John W. Eaton <jwe@octave.org> parents: 13246 diff changeset	232 %type <comment_type> properties_beg methods_beg events_beg enum_beg
16238 38bd5ae8463b new opt_semi non-terminal for parser; use opt_comma in cell_or_matrix_row John W. Eaton <jwe@octave.org> parents: 16237 diff changeset	233 %type <sep_type> sep_no_nl opt_sep_no_nl nl opt_nl sep opt_sep
578 d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	234 %type <tree_type> input
5861 2a6cb4ed8f1e [project @ 2006-06-16 05:09:41 by jwe] jwe parents: 5848 diff changeset	235 %type <tree_constant_type> string constant magic_colon
2a6cb4ed8f1e [project @ 2006-06-16 05:09:41 by jwe] jwe parents: 5848 diff changeset	236 %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	237 %type <tree_fcn_handle_type> fcn_handle
16924 aebb54d99dba improve compatibility of parsing of matrices and cell arrays John W. Eaton <jwe@octave.org> parents: 16850 diff changeset	238 %type <tree_matrix_type> matrix_rows
aebb54d99dba improve compatibility of parsing of matrices and cell arrays John W. Eaton <jwe@octave.org> parents: 16850 diff changeset	239 %type <tree_cell_type> cell_rows
5102 b04b30d30c66 [project @ 2004-12-28 01:59:05 by jwe] jwe parents: 5013 diff changeset	240 %type <tree_expression_type> matrix cell
17622 fd712a12fe53 compatibility for power operator precedence and direction (bug #33304) Axel Mathéi <axel.mathei@gmail.com> parents: 17618 diff changeset	241 %type <tree_expression_type> primary_expr oper_expr power_expr
4207 fa3482b34599 [project @ 2002-12-03 18:22:05 by jwe] jwe parents: 4186 diff changeset	242 %type <tree_expression_type> simple_expr colon_expr assign_expr expression
17283 e6c0ac8ce5b6 eliminate parse conflicts introduced by changeset 923ce8b42db2 John W. Eaton <jwe@octave.org> parents: 17281 diff changeset	243 %type <tree_identifier_type> identifier fcn_name magic_tilde
9476 d9b25c5b8ee5 handle classdef syntax in lexer and parser Ryan Rusaw parents: 9474 diff changeset	244 %type <tree_identifier_type> superclass_identifier meta_identifier
d9b25c5b8ee5 handle classdef syntax in lexer and parser Ryan Rusaw parents: 9474 diff changeset	245 %type <octave_user_function_type> function1 function2 classdef1
2970 b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	246 %type <tree_index_expression_type> word_list_cmd
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	247 %type <tree_colon_expression_type> colon_expr1
3351 8623649c967c [project @ 1999-11-15 16:17:01 by jwe] jwe parents: 3347 diff changeset	248 %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	249 %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	250 %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	251 %type <tree_parameter_list_type> return_list return_list1
9476 d9b25c5b8ee5 handle classdef syntax in lexer and parser Ryan Rusaw parents: 9474 diff changeset	252 %type <tree_parameter_list_type> superclasses opt_superclasses
2970 b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	253 %type <tree_command_type> command select_command loop_command
9476 d9b25c5b8ee5 handle classdef syntax in lexer and parser Ryan Rusaw parents: 9474 diff changeset	254 %type <tree_command_type> jump_command except_command function
16203 127cccb037bf move more global parser and lexer variables to classes John W. Eaton <jwe@octave.org> parents: 16199 diff changeset	255 %type <tree_command_type> file classdef
578 d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	256 %type <tree_if_command_type> if_command
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	257 %type <tree_if_clause_type> elseif_clause else_clause
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	258 %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	259 %type <tree_switch_command_type> switch_command
2c0f259cf83d [project @ 1997-03-01 02:30:26 by jwe] jwe parents: 2745 diff changeset	260 %type <tree_switch_case_type> switch_case default_case
2c0f259cf83d [project @ 1997-03-01 02:30:26 by jwe] jwe parents: 2745 diff changeset	261 %type <tree_switch_case_list_type> case_list1 case_list
17317 56fe31b248de disallow ~ in global and persistent declaration lists John W. Eaton <jwe@octave.org> parents: 17316 diff changeset	262 %type <tree_decl_elt_type> decl2 param_list_elt
2846 52e7c4509983 [project @ 1997-03-26 23:27:35 by jwe] jwe parents: 2825 diff changeset	263 %type <tree_decl_init_list_type> decl1
52e7c4509983 [project @ 1997-03-26 23:27:35 by jwe] jwe parents: 2825 diff changeset	264 %type <tree_decl_command_type> declaration
9476 d9b25c5b8ee5 handle classdef syntax in lexer and parser Ryan Rusaw parents: 9474 diff changeset	265 %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	266 %type <tree_statement_list_type> simple_list simple_list1 list list1
17322 4c1ae06111c9 allow parser to accept empty statements (bug #37099) John W. Eaton <jwe@octave.org> parents: 17317 diff changeset	267 %type <tree_statement_list_type> opt_list
9476 d9b25c5b8ee5 handle classdef syntax in lexer and parser Ryan Rusaw parents: 9474 diff changeset	268 // These types need to be specified.
d9b25c5b8ee5 handle classdef syntax in lexer and parser Ryan Rusaw parents: 9474 diff changeset	269 %type <dummy_type> attr
d9b25c5b8ee5 handle classdef syntax in lexer and parser Ryan Rusaw parents: 9474 diff changeset	270 %type <dummy_type> class_event
13249 7861a5fd3479 accept enumeration keyword John W. Eaton <jwe@octave.org> parents: 13246 diff changeset	271 %type <dummy_type> class_enum
9476 d9b25c5b8ee5 handle classdef syntax in lexer and parser Ryan Rusaw parents: 9474 diff changeset	272 %type <dummy_type> class_property
d9b25c5b8ee5 handle classdef syntax in lexer and parser Ryan Rusaw parents: 9474 diff changeset	273 %type <dummy_type> properties_list
d9b25c5b8ee5 handle classdef syntax in lexer and parser Ryan Rusaw parents: 9474 diff changeset	274 %type <dummy_type> properties_block
d9b25c5b8ee5 handle classdef syntax in lexer and parser Ryan Rusaw parents: 9474 diff changeset	275 %type <dummy_type> methods_list
d9b25c5b8ee5 handle classdef syntax in lexer and parser Ryan Rusaw parents: 9474 diff changeset	276 %type <dummy_type> methods_block
d9b25c5b8ee5 handle classdef syntax in lexer and parser Ryan Rusaw parents: 9474 diff changeset	277 %type <dummy_type> opt_attr_list
d9b25c5b8ee5 handle classdef syntax in lexer and parser Ryan Rusaw parents: 9474 diff changeset	278 %type <dummy_type> attr_list
d9b25c5b8ee5 handle classdef syntax in lexer and parser Ryan Rusaw parents: 9474 diff changeset	279 %type <dummy_type> events_list
d9b25c5b8ee5 handle classdef syntax in lexer and parser Ryan Rusaw parents: 9474 diff changeset	280 %type <dummy_type> events_block
13249 7861a5fd3479 accept enumeration keyword John W. Eaton <jwe@octave.org> parents: 13246 diff changeset	281 %type <dummy_type> enum_list
7861a5fd3479 accept enumeration keyword John W. Eaton <jwe@octave.org> parents: 13246 diff changeset	282 %type <dummy_type> enum_block
9476 d9b25c5b8ee5 handle classdef syntax in lexer and parser Ryan Rusaw parents: 9474 diff changeset	283 %type <dummy_type> class_body
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	284
143 7849db4b6dbc [project @ 1993-10-04 02:36:45 by jwe] jwe parents: 118 diff changeset	285 // Precedence and associativity.
4018 a8621d87fbf5 [project @ 2002-08-05 03:17:25 by jwe] jwe parents: 4009 diff changeset	286 %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	287 %left EXPR_OR_OR
ef3caf27cb9c [project @ 2002-08-07 06:54:41 by jwe] jwe parents: 4018 diff changeset	288 %left EXPR_AND_AND
ef3caf27cb9c [project @ 2002-08-07 06:54:41 by jwe] jwe parents: 4018 diff changeset	289 %left EXPR_OR
ef3caf27cb9c [project @ 2002-08-07 06:54:41 by jwe] jwe parents: 4018 diff changeset	290 %left EXPR_AND
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	291 %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	292 %left LSHIFT RSHIFT
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	293 %left ':'
1276 cbdf7db98554 [project @ 1995-04-24 15:31:24 by jwe] jwe parents: 1266 diff changeset	294 %left '-' '+' EPLUS EMINUS
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	295 %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	296 %right UNARY EXPR_NOT
16284 09881dab3aaf * lex.ll, oct-parse.in.yy (HERMITIAN): Rename token from QUOTE. John W. Eaton <jwe@octave.org> parents: 16279 diff changeset	297 %left POW EPOW HERMITIAN TRANSPOSE
12627 002948ae5bc0 fix precedence level of transpose operators (bug #32533) John W. Eaton <jwe@octave.org> parents: 12483 diff changeset	298 %right PLUS_PLUS MINUS_MINUS
3351 8623649c967c [project @ 1999-11-15 16:17:01 by jwe] jwe parents: 3347 diff changeset	299 %left '(' '.' '{'
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	300
17629 1e8f8900a041 clean up partially constructed parse tree objects on parse errors (bug #40231) John W. Eaton <jwe@octave.org> parents: 17622 diff changeset	301 // How to clean up if there is a parse error. We handle deleting tokens
1e8f8900a041 clean up partially constructed parse tree objects on parse errors (bug #40231) John W. Eaton <jwe@octave.org> parents: 17622 diff changeset	302 // and comments seperately and separators are just characters. The
1e8f8900a041 clean up partially constructed parse tree objects on parse errors (bug #40231) John W. Eaton <jwe@octave.org> parents: 17622 diff changeset	303 // remaining items are dynamically allocated parse tree objects that
1e8f8900a041 clean up partially constructed parse tree objects on parse errors (bug #40231) John W. Eaton <jwe@octave.org> parents: 17622 diff changeset	304 // must be deleted.
1e8f8900a041 clean up partially constructed parse tree objects on parse errors (bug #40231) John W. Eaton <jwe@octave.org> parents: 17622 diff changeset	305 %destructor { } <sep_type> <tok_val> <comment_type> <dummy_type> <>
1e8f8900a041 clean up partially constructed parse tree objects on parse errors (bug #40231) John W. Eaton <jwe@octave.org> parents: 17622 diff changeset	306 %destructor { delete $$; } <*>
1e8f8900a041 clean up partially constructed parse tree objects on parse errors (bug #40231) John W. Eaton <jwe@octave.org> parents: 17622 diff changeset	307
143 7849db4b6dbc [project @ 1993-10-04 02:36:45 by jwe] jwe parents: 118 diff changeset	308 // Where to start.
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	309 %start input
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	310
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	311 %%
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	312
2970 b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	313 // ==============================
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	314 // Statements and statement lists
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	315 // ==============================
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	316
17322 4c1ae06111c9 allow parser to accept empty statements (bug #37099) John W. Eaton <jwe@octave.org> parents: 17317 diff changeset	317 input : simple_list '\n'
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	318 {
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	319 parser.stmt_list = $1;
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	320 YYACCEPT;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	321 }
17322 4c1ae06111c9 allow parser to accept empty statements (bug #37099) John W. Eaton <jwe@octave.org> parents: 17317 diff changeset	322 \| simple_list END_OF_INPUT
4c1ae06111c9 allow parser to accept empty statements (bug #37099) John W. Eaton <jwe@octave.org> parents: 17317 diff changeset	323 {
4c1ae06111c9 allow parser to accept empty statements (bug #37099) John W. Eaton <jwe@octave.org> parents: 17317 diff changeset	324 lexer.end_of_input = true;
4c1ae06111c9 allow parser to accept empty statements (bug #37099) John W. Eaton <jwe@octave.org> parents: 17317 diff changeset	325 parser.stmt_list = $1;
4c1ae06111c9 allow parser to accept empty statements (bug #37099) John W. Eaton <jwe@octave.org> parents: 17317 diff changeset	326 YYACCEPT;
4c1ae06111c9 allow parser to accept empty statements (bug #37099) John W. Eaton <jwe@octave.org> parents: 17317 diff changeset	327 }
17326 f444e4cef9b9 avoid exiting Octave on parse error (bug #39862) John W. Eaton <jwe@octave.org> parents: 17322 diff changeset	328 \| parse_error
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	329 { ABORT_PARSE; }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	330 ;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	331
17322 4c1ae06111c9 allow parser to accept empty statements (bug #37099) John W. Eaton <jwe@octave.org> parents: 17317 diff changeset	332 simple_list : opt_sep_no_nl
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	333 { $$ = 0; }
17322 4c1ae06111c9 allow parser to accept empty statements (bug #37099) John W. Eaton <jwe@octave.org> parents: 17317 diff changeset	334 \| simple_list1 opt_sep_no_nl
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	335 { $$ = parser.set_stmt_print_flag ($1, $2, false); }
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	336 ;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	337
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	338 simple_list1 : statement
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	339 { $$ = parser.make_statement_list ($1); }
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	340 \| simple_list1 sep_no_nl statement
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	341 { $$ = parser.append_statement_list ($1, $2, $3, false); }
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	342 ;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	343
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	344 opt_list : // empty
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	345 { $$ = new tree_statement_list (); }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	346 \| list
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	347 { $$ = $1; }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	348 ;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	349
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	350 list : list1 opt_sep
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	351 { $$ = parser.set_stmt_print_flag ($1, $2, true); }
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	352 ;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	353
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	354 list1 : statement
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	355 { $$ = parser.make_statement_list ($1); }
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	356 \| list1 sep statement
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	357 { $$ = parser.append_statement_list ($1, $2, $3, true); }
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	358 ;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	359
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	360 statement : expression
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	361 { $$ = make_statement ($1); }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	362 \| command
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	363 { $$ = make_statement ($1); }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	364 \| word_list_cmd
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	365 { $$ = make_statement ($1); }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	366 ;
8746 5dd06f19e9be handle commands in the lexer John W. Eaton <jwe@octave.org> parents: 8745 diff changeset	367
5dd06f19e9be handle commands in the lexer John W. Eaton <jwe@octave.org> parents: 8745 diff changeset	368 // =================
5dd06f19e9be handle commands in the lexer John W. Eaton <jwe@octave.org> parents: 8745 diff changeset	369 // Word-list command
5dd06f19e9be handle commands in the lexer John W. Eaton <jwe@octave.org> parents: 8745 diff changeset	370 // =================
5dd06f19e9be handle commands in the lexer John W. Eaton <jwe@octave.org> parents: 8745 diff changeset	371
5dd06f19e9be handle commands in the lexer John W. Eaton <jwe@octave.org> parents: 8745 diff changeset	372 // These are not really like expressions since they can't appear on
5dd06f19e9be handle commands in the lexer John W. Eaton <jwe@octave.org> parents: 8745 diff changeset	373 // the RHS of an assignment. But they are also not like commands (IF,
5dd06f19e9be handle commands in the lexer John W. Eaton <jwe@octave.org> parents: 8745 diff changeset	374 // WHILE, etc.
5dd06f19e9be handle commands in the lexer John W. Eaton <jwe@octave.org> parents: 8745 diff changeset	375
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	376 word_list_cmd : identifier word_list
16302 a4af67e0d22c oct-parse.in.yy: a{~}.b segfaults the interpreter (bug #37804) Max Brister <max@2bass.com> parents: 16294 diff changeset	377 {
a4af67e0d22c oct-parse.in.yy: a{~}.b segfaults the interpreter (bug #37804) Max Brister <max@2bass.com> parents: 16294 diff changeset	378 $$ = parser.make_index_expression ($1, $2, '(');
a4af67e0d22c oct-parse.in.yy: a{~}.b segfaults the interpreter (bug #37804) Max Brister <max@2bass.com> parents: 16294 diff changeset	379 if (! $$)
a4af67e0d22c oct-parse.in.yy: a{~}.b segfaults the interpreter (bug #37804) Max Brister <max@2bass.com> parents: 16294 diff changeset	380 ABORT_PARSE;
a4af67e0d22c oct-parse.in.yy: a{~}.b segfaults the interpreter (bug #37804) Max Brister <max@2bass.com> parents: 16294 diff changeset	381 }
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	382 ;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	383
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	384 word_list : string
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	385 { $$ = new tree_argument_list ($1); }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	386 \| word_list string
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	387 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	388 $1->append ($2);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	389 $$ = $1;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	390 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	391 ;
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	392
2970 b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	393 // ===========
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	394 // Expressions
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	395 // ===========
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	396
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	397 identifier : NAME
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	398 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	399 symbol_table::symbol_record *sr = $1->sym_rec ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	400 $$ = new tree_identifier (*sr, $1->line (), $1->column ());
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	401 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	402 ;
2970 b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	403
9476 d9b25c5b8ee5 handle classdef syntax in lexer and parser Ryan Rusaw parents: 9474 diff changeset	404 superclass_identifier
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	405 : SUPERCLASSREF
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	406 { $$ = new tree_identifier ($1->line (), $1->column ()); }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	407 ;
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11572 diff changeset	408
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	409 meta_identifier : METAQUERY
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	410 { $$ = 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	411 ;
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	412
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	413 string : DQ_STRING
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	414 { $$ = parser.make_constant (DQ_STRING, $1); }
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	415 \| SQ_STRING
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	416 { $$ = parser.make_constant (SQ_STRING, $1); }
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	417 ;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	418
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	419 constant : NUM
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	420 { $$ = parser.make_constant (NUM, $1); }
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	421 \| IMAG_NUM
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	422 { $$ = parser.make_constant (IMAG_NUM, $1); }
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	423 \| string
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	424 { $$ = $1; }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	425 ;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	426
16924 aebb54d99dba improve compatibility of parsing of matrices and cell arrays John W. Eaton <jwe@octave.org> parents: 16850 diff changeset	427 matrix : '[' matrix_rows ']'
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	428 { $$ = parser.finish_matrix ($2); }
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	429 ;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	430
16924 aebb54d99dba improve compatibility of parsing of matrices and cell arrays John W. Eaton <jwe@octave.org> parents: 16850 diff changeset	431 matrix_rows : cell_or_matrix_row
aebb54d99dba improve compatibility of parsing of matrices and cell arrays John W. Eaton <jwe@octave.org> parents: 16850 diff changeset	432 { $$ = $1 ? new tree_matrix ($1) : 0; }
aebb54d99dba improve compatibility of parsing of matrices and cell arrays John W. Eaton <jwe@octave.org> parents: 16850 diff changeset	433 \| matrix_rows ';' cell_or_matrix_row
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	434 {
16924 aebb54d99dba improve compatibility of parsing of matrices and cell arrays John W. Eaton <jwe@octave.org> parents: 16850 diff changeset	435 if ($1)
aebb54d99dba improve compatibility of parsing of matrices and cell arrays John W. Eaton <jwe@octave.org> parents: 16850 diff changeset	436 {
aebb54d99dba improve compatibility of parsing of matrices and cell arrays John W. Eaton <jwe@octave.org> parents: 16850 diff changeset	437 if ($3)
aebb54d99dba improve compatibility of parsing of matrices and cell arrays John W. Eaton <jwe@octave.org> parents: 16850 diff changeset	438 $1->append ($3);
aebb54d99dba improve compatibility of parsing of matrices and cell arrays John W. Eaton <jwe@octave.org> parents: 16850 diff changeset	439
aebb54d99dba improve compatibility of parsing of matrices and cell arrays John W. Eaton <jwe@octave.org> parents: 16850 diff changeset	440 $$ = $1;
aebb54d99dba improve compatibility of parsing of matrices and cell arrays John W. Eaton <jwe@octave.org> parents: 16850 diff changeset	441 }
aebb54d99dba improve compatibility of parsing of matrices and cell arrays John W. Eaton <jwe@octave.org> parents: 16850 diff changeset	442 else
aebb54d99dba improve compatibility of parsing of matrices and cell arrays John W. Eaton <jwe@octave.org> parents: 16850 diff changeset	443 $$ = $3 ? new tree_matrix ($3) : 0;
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	444 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	445 ;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	446
16924 aebb54d99dba improve compatibility of parsing of matrices and cell arrays John W. Eaton <jwe@octave.org> parents: 16850 diff changeset	447 cell : '{' cell_rows '}'
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	448 { $$ = parser.finish_cell ($2); }
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	449 ;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	450
16924 aebb54d99dba improve compatibility of parsing of matrices and cell arrays John W. Eaton <jwe@octave.org> parents: 16850 diff changeset	451 cell_rows : cell_or_matrix_row
aebb54d99dba improve compatibility of parsing of matrices and cell arrays John W. Eaton <jwe@octave.org> parents: 16850 diff changeset	452 { $$ = $1 ? new tree_cell ($1) : 0; }
aebb54d99dba improve compatibility of parsing of matrices and cell arrays John W. Eaton <jwe@octave.org> parents: 16850 diff changeset	453 \| cell_rows ';' cell_or_matrix_row
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	454 {
16924 aebb54d99dba improve compatibility of parsing of matrices and cell arrays John W. Eaton <jwe@octave.org> parents: 16850 diff changeset	455 if ($1)
aebb54d99dba improve compatibility of parsing of matrices and cell arrays John W. Eaton <jwe@octave.org> parents: 16850 diff changeset	456 {
aebb54d99dba improve compatibility of parsing of matrices and cell arrays John W. Eaton <jwe@octave.org> parents: 16850 diff changeset	457 if ($3)
aebb54d99dba improve compatibility of parsing of matrices and cell arrays John W. Eaton <jwe@octave.org> parents: 16850 diff changeset	458 $1->append ($3);
aebb54d99dba improve compatibility of parsing of matrices and cell arrays John W. Eaton <jwe@octave.org> parents: 16850 diff changeset	459
aebb54d99dba improve compatibility of parsing of matrices and cell arrays John W. Eaton <jwe@octave.org> parents: 16850 diff changeset	460 $$ = $1;
aebb54d99dba improve compatibility of parsing of matrices and cell arrays John W. Eaton <jwe@octave.org> parents: 16850 diff changeset	461 }
aebb54d99dba improve compatibility of parsing of matrices and cell arrays John W. Eaton <jwe@octave.org> parents: 16850 diff changeset	462 else
aebb54d99dba improve compatibility of parsing of matrices and cell arrays John W. Eaton <jwe@octave.org> parents: 16850 diff changeset	463 $$ = $3 ? new tree_cell ($3) : 0;
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	464 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	465 ;
3351 8623649c967c [project @ 1999-11-15 16:17:01 by jwe] jwe parents: 3347 diff changeset	466
16924 aebb54d99dba improve compatibility of parsing of matrices and cell arrays John W. Eaton <jwe@octave.org> parents: 16850 diff changeset	467 // tree_argument_list objects can't be empty or have leading or trailing
aebb54d99dba improve compatibility of parsing of matrices and cell arrays John W. Eaton <jwe@octave.org> parents: 16850 diff changeset	468 // commas, but those are all allowed in matrix and cell array rows.
aebb54d99dba improve compatibility of parsing of matrices and cell arrays John W. Eaton <jwe@octave.org> parents: 16850 diff changeset	469
3351 8623649c967c [project @ 1999-11-15 16:17:01 by jwe] jwe parents: 3347 diff changeset	470 cell_or_matrix_row
16924 aebb54d99dba improve compatibility of parsing of matrices and cell arrays John W. Eaton <jwe@octave.org> parents: 16850 diff changeset	471 : // empty
aebb54d99dba improve compatibility of parsing of matrices and cell arrays John W. Eaton <jwe@octave.org> parents: 16850 diff changeset	472 { $$ = 0; }
aebb54d99dba improve compatibility of parsing of matrices and cell arrays John W. Eaton <jwe@octave.org> parents: 16850 diff changeset	473 \| ','
aebb54d99dba improve compatibility of parsing of matrices and cell arrays John W. Eaton <jwe@octave.org> parents: 16850 diff changeset	474 { $$ = 0; }
aebb54d99dba improve compatibility of parsing of matrices and cell arrays John W. Eaton <jwe@octave.org> parents: 16850 diff changeset	475 \| arg_list
16257 db7f07b22b9b 1/10 commits reworking the lexer John W. Eaton <jwe@octave.org> parents: 16251 diff changeset	476 { $$ = $1; }
16924 aebb54d99dba improve compatibility of parsing of matrices and cell arrays John W. Eaton <jwe@octave.org> parents: 16850 diff changeset	477 \| arg_list ','
16257 db7f07b22b9b 1/10 commits reworking the lexer John W. Eaton <jwe@octave.org> parents: 16251 diff changeset	478 { $$ = $1; }
16924 aebb54d99dba improve compatibility of parsing of matrices and cell arrays John W. Eaton <jwe@octave.org> parents: 16850 diff changeset	479 \| ',' arg_list
aebb54d99dba improve compatibility of parsing of matrices and cell arrays John W. Eaton <jwe@octave.org> parents: 16850 diff changeset	480 { $$ = $2; }
aebb54d99dba improve compatibility of parsing of matrices and cell arrays John W. Eaton <jwe@octave.org> parents: 16850 diff changeset	481 \| ',' arg_list ','
aebb54d99dba improve compatibility of parsing of matrices and cell arrays John W. Eaton <jwe@octave.org> parents: 16850 diff changeset	482 { $$ = $2; }
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	483 ;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	484
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	485 fcn_handle : '@' FCN_HANDLE
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	486 {
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	487 $$ = parser.make_fcn_handle ($2);
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	488 lexer.looking_at_function_handle--;
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	489 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	490 ;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	491
16681 d3619d4d267c recognize character string at beginning of statement (bug #38926, #38958) John W. Eaton <jwe@octave.org> parents: 16627 diff changeset	492 anon_fcn_handle : '@' param_list stmt_begin statement
13237 1bfca2bbea8b fix parsing of anonymous functions inside cell array lists. John W. Eaton <jwe@octave.org> parents: 13125 diff changeset	493 {
16681 d3619d4d267c recognize character string at beginning of statement (bug #38926, #38958) John W. Eaton <jwe@octave.org> parents: 16627 diff changeset	494 $$ = parser.make_anon_fcn_handle ($2, $4);
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	495 lexer.nesting_level.remove ();
13237 1bfca2bbea8b fix parsing of anonymous functions inside cell array lists. John W. Eaton <jwe@octave.org> parents: 13125 diff changeset	496 }
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	497 ;
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11572 diff changeset	498
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	499 primary_expr : identifier
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	500 { $$ = $1; }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	501 \| constant
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	502 { $$ = $1; }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	503 \| fcn_handle
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	504 { $$ = $1; }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	505 \| matrix
16257 db7f07b22b9b 1/10 commits reworking the lexer John W. Eaton <jwe@octave.org> parents: 16251 diff changeset	506 {
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	507 lexer.looking_at_matrix_or_assign_lhs = false;
16257 db7f07b22b9b 1/10 commits reworking the lexer John W. Eaton <jwe@octave.org> parents: 16251 diff changeset	508 $$ = $1;
db7f07b22b9b 1/10 commits reworking the lexer John W. Eaton <jwe@octave.org> parents: 16251 diff changeset	509 }
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	510 \| cell
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	511 { $$ = $1; }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	512 \| meta_identifier
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	513 { $$ = $1; }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	514 \| superclass_identifier
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	515 { $$ = $1; }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	516 \| '(' expression ')'
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	517 { $$ = $2->mark_in_parens (); }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	518 ;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	519
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	520 magic_colon : ':'
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	521 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	522 octave_value tmp (octave_value::magic_colon_t);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	523 $$ = new tree_constant (tmp);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	524 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	525 ;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	526
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	527 magic_tilde : EXPR_NOT
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	528 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	529 $$ = new tree_black_hole ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	530 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	531 ;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	532
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	533 arg_list : expression
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	534 { $$ = new tree_argument_list ($1); }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	535 \| magic_colon
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	536 { $$ = new tree_argument_list ($1); }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	537 \| magic_tilde
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	538 { $$ = new tree_argument_list ($1); }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	539 \| arg_list ',' magic_colon
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	540 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	541 $1->append ($3);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	542 $$ = $1;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	543 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	544 \| arg_list ',' magic_tilde
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	545 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	546 $1->append ($3);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	547 $$ = $1;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	548 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	549 \| arg_list ',' expression
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	550 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	551 $1->append ($3);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	552 $$ = $1;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	553 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	554 ;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	555
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	556 indirect_ref_op : '.'
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	557 { lexer.looking_at_indirect_ref = true; }
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	558 ;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	559
12627 002948ae5bc0 fix precedence level of transpose operators (bug #32533) John W. Eaton <jwe@octave.org> parents: 12483 diff changeset	560 oper_expr : primary_expr
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	561 { $$ = $1; }
12627 002948ae5bc0 fix precedence level of transpose operators (bug #32533) John W. Eaton <jwe@octave.org> parents: 12483 diff changeset	562 \| oper_expr PLUS_PLUS
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	563 { $$ = parser.make_postfix_op (PLUS_PLUS, $1, $2); }
12627 002948ae5bc0 fix precedence level of transpose operators (bug #32533) John W. Eaton <jwe@octave.org> parents: 12483 diff changeset	564 \| oper_expr MINUS_MINUS
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	565 { $$ = parser.make_postfix_op (MINUS_MINUS, $1, $2); }
12627 002948ae5bc0 fix precedence level of transpose operators (bug #32533) John W. Eaton <jwe@octave.org> parents: 12483 diff changeset	566 \| oper_expr '(' ')'
16302 a4af67e0d22c oct-parse.in.yy: a{~}.b segfaults the interpreter (bug #37804) Max Brister <max@2bass.com> parents: 16294 diff changeset	567 {
a4af67e0d22c oct-parse.in.yy: a{~}.b segfaults the interpreter (bug #37804) Max Brister <max@2bass.com> parents: 16294 diff changeset	568 $$ = parser.make_index_expression ($1, 0, '(');
a4af67e0d22c oct-parse.in.yy: a{~}.b segfaults the interpreter (bug #37804) Max Brister <max@2bass.com> parents: 16294 diff changeset	569 if (! $$)
a4af67e0d22c oct-parse.in.yy: a{~}.b segfaults the interpreter (bug #37804) Max Brister <max@2bass.com> parents: 16294 diff changeset	570 ABORT_PARSE;
a4af67e0d22c oct-parse.in.yy: a{~}.b segfaults the interpreter (bug #37804) Max Brister <max@2bass.com> parents: 16294 diff changeset	571 }
12627 002948ae5bc0 fix precedence level of transpose operators (bug #32533) John W. Eaton <jwe@octave.org> parents: 12483 diff changeset	572 \| oper_expr '(' arg_list ')'
16302 a4af67e0d22c oct-parse.in.yy: a{~}.b segfaults the interpreter (bug #37804) Max Brister <max@2bass.com> parents: 16294 diff changeset	573 {
a4af67e0d22c oct-parse.in.yy: a{~}.b segfaults the interpreter (bug #37804) Max Brister <max@2bass.com> parents: 16294 diff changeset	574 $$ = parser.make_index_expression ($1, $3, '(');
a4af67e0d22c oct-parse.in.yy: a{~}.b segfaults the interpreter (bug #37804) Max Brister <max@2bass.com> parents: 16294 diff changeset	575 if (! $$)
a4af67e0d22c oct-parse.in.yy: a{~}.b segfaults the interpreter (bug #37804) Max Brister <max@2bass.com> parents: 16294 diff changeset	576 ABORT_PARSE;
a4af67e0d22c oct-parse.in.yy: a{~}.b segfaults the interpreter (bug #37804) Max Brister <max@2bass.com> parents: 16294 diff changeset	577 }
12627 002948ae5bc0 fix precedence level of transpose operators (bug #32533) John W. Eaton <jwe@octave.org> parents: 12483 diff changeset	578 \| oper_expr '{' '}'
16302 a4af67e0d22c oct-parse.in.yy: a{~}.b segfaults the interpreter (bug #37804) Max Brister <max@2bass.com> parents: 16294 diff changeset	579 {
a4af67e0d22c oct-parse.in.yy: a{~}.b segfaults the interpreter (bug #37804) Max Brister <max@2bass.com> parents: 16294 diff changeset	580 $$ = parser.make_index_expression ($1, 0, '{');
a4af67e0d22c oct-parse.in.yy: a{~}.b segfaults the interpreter (bug #37804) Max Brister <max@2bass.com> parents: 16294 diff changeset	581 if (! $$)
a4af67e0d22c oct-parse.in.yy: a{~}.b segfaults the interpreter (bug #37804) Max Brister <max@2bass.com> parents: 16294 diff changeset	582 ABORT_PARSE;
a4af67e0d22c oct-parse.in.yy: a{~}.b segfaults the interpreter (bug #37804) Max Brister <max@2bass.com> parents: 16294 diff changeset	583 }
12627 002948ae5bc0 fix precedence level of transpose operators (bug #32533) John W. Eaton <jwe@octave.org> parents: 12483 diff changeset	584 \| oper_expr '{' arg_list '}'
16302 a4af67e0d22c oct-parse.in.yy: a{~}.b segfaults the interpreter (bug #37804) Max Brister <max@2bass.com> parents: 16294 diff changeset	585 {
a4af67e0d22c oct-parse.in.yy: a{~}.b segfaults the interpreter (bug #37804) Max Brister <max@2bass.com> parents: 16294 diff changeset	586 $$ = parser.make_index_expression ($1, $3, '{');
a4af67e0d22c oct-parse.in.yy: a{~}.b segfaults the interpreter (bug #37804) Max Brister <max@2bass.com> parents: 16294 diff changeset	587 if (! $$)
a4af67e0d22c oct-parse.in.yy: a{~}.b segfaults the interpreter (bug #37804) Max Brister <max@2bass.com> parents: 16294 diff changeset	588 ABORT_PARSE;
a4af67e0d22c oct-parse.in.yy: a{~}.b segfaults the interpreter (bug #37804) Max Brister <max@2bass.com> parents: 16294 diff changeset	589 }
16284 09881dab3aaf * lex.ll, oct-parse.in.yy (HERMITIAN): Rename token from QUOTE. John W. Eaton <jwe@octave.org> parents: 16279 diff changeset	590 \| oper_expr HERMITIAN
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	591 { $$ = parser.make_postfix_op (HERMITIAN, $1, $2); }
12627 002948ae5bc0 fix precedence level of transpose operators (bug #32533) John W. Eaton <jwe@octave.org> parents: 12483 diff changeset	592 \| oper_expr TRANSPOSE
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	593 { $$ = parser.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	594 \| oper_expr indirect_ref_op STRUCT_ELT
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	595 { $$ = parser.make_indirect_ref ($1, $3->text ()); }
12627 002948ae5bc0 fix precedence level of transpose operators (bug #32533) John W. Eaton <jwe@octave.org> parents: 12483 diff changeset	596 \| oper_expr indirect_ref_op '(' expression ')'
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	597 { $$ = parser.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	598 \| PLUS_PLUS oper_expr %prec UNARY
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	599 { $$ = parser.make_prefix_op (PLUS_PLUS, $2, $1); }
12627 002948ae5bc0 fix precedence level of transpose operators (bug #32533) John W. Eaton <jwe@octave.org> parents: 12483 diff changeset	600 \| MINUS_MINUS oper_expr %prec UNARY
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	601 { $$ = parser.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	602 \| EXPR_NOT oper_expr %prec UNARY
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	603 { $$ = parser.make_prefix_op (EXPR_NOT, $2, $1); }
12627 002948ae5bc0 fix precedence level of transpose operators (bug #32533) John W. Eaton <jwe@octave.org> parents: 12483 diff changeset	604 \| '+' oper_expr %prec UNARY
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	605 { $$ = parser.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	606 \| '-' oper_expr %prec UNARY
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	607 { $$ = parser.make_prefix_op ('-', $2, $1); }
17622 fd712a12fe53 compatibility for power operator precedence and direction (bug #33304) Axel Mathéi <axel.mathei@gmail.com> parents: 17618 diff changeset	608 \| oper_expr POW power_expr
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	609 { $$ = parser.make_binary_op (POW, $1, $2, $3); }
17622 fd712a12fe53 compatibility for power operator precedence and direction (bug #33304) Axel Mathéi <axel.mathei@gmail.com> parents: 17618 diff changeset	610 \| oper_expr EPOW power_expr
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	611 { $$ = parser.make_binary_op (EPOW, $1, $2, $3); }
12627 002948ae5bc0 fix precedence level of transpose operators (bug #32533) John W. Eaton <jwe@octave.org> parents: 12483 diff changeset	612 \| oper_expr '+' oper_expr
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	613 { $$ = parser.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	614 \| oper_expr '-' oper_expr
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	615 { $$ = parser.make_binary_op ('-', $1, $2, $3); }
12627 002948ae5bc0 fix precedence level of transpose operators (bug #32533) John W. Eaton <jwe@octave.org> parents: 12483 diff changeset	616 \| oper_expr '*' oper_expr
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	617 { $$ = parser.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	618 \| oper_expr '/' oper_expr
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	619 { $$ = parser.make_binary_op ('/', $1, $2, $3); }
12627 002948ae5bc0 fix precedence level of transpose operators (bug #32533) John W. Eaton <jwe@octave.org> parents: 12483 diff changeset	620 \| oper_expr EPLUS oper_expr
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	621 { $$ = parser.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	622 \| oper_expr EMINUS oper_expr
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	623 { $$ = parser.make_binary_op ('-', $1, $2, $3); }
12627 002948ae5bc0 fix precedence level of transpose operators (bug #32533) John W. Eaton <jwe@octave.org> parents: 12483 diff changeset	624 \| oper_expr EMUL oper_expr
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	625 { $$ = parser.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	626 \| oper_expr EDIV oper_expr
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	627 { $$ = parser.make_binary_op (EDIV, $1, $2, $3); }
12627 002948ae5bc0 fix precedence level of transpose operators (bug #32533) John W. Eaton <jwe@octave.org> parents: 12483 diff changeset	628 \| oper_expr LEFTDIV oper_expr
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	629 { $$ = parser.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	630 \| oper_expr ELEFTDIV oper_expr
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	631 { $$ = parser.make_binary_op (ELEFTDIV, $1, $2, $3); }
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	632 ;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	633
17622 fd712a12fe53 compatibility for power operator precedence and direction (bug #33304) Axel Mathéi <axel.mathei@gmail.com> parents: 17618 diff changeset	634 power_expr : primary_expr
fd712a12fe53 compatibility for power operator precedence and direction (bug #33304) Axel Mathéi <axel.mathei@gmail.com> parents: 17618 diff changeset	635 { $$ = $1; }
fd712a12fe53 compatibility for power operator precedence and direction (bug #33304) Axel Mathéi <axel.mathei@gmail.com> parents: 17618 diff changeset	636 \| power_expr PLUS_PLUS
fd712a12fe53 compatibility for power operator precedence and direction (bug #33304) Axel Mathéi <axel.mathei@gmail.com> parents: 17618 diff changeset	637 { $$ = parser.make_postfix_op (PLUS_PLUS, $1, $2); }
fd712a12fe53 compatibility for power operator precedence and direction (bug #33304) Axel Mathéi <axel.mathei@gmail.com> parents: 17618 diff changeset	638 \| power_expr MINUS_MINUS
fd712a12fe53 compatibility for power operator precedence and direction (bug #33304) Axel Mathéi <axel.mathei@gmail.com> parents: 17618 diff changeset	639 { $$ = parser.make_postfix_op (MINUS_MINUS, $1, $2); }
fd712a12fe53 compatibility for power operator precedence and direction (bug #33304) Axel Mathéi <axel.mathei@gmail.com> parents: 17618 diff changeset	640 \| power_expr '(' ')'
fd712a12fe53 compatibility for power operator precedence and direction (bug #33304) Axel Mathéi <axel.mathei@gmail.com> parents: 17618 diff changeset	641 {
fd712a12fe53 compatibility for power operator precedence and direction (bug #33304) Axel Mathéi <axel.mathei@gmail.com> parents: 17618 diff changeset	642 $$ = parser.make_index_expression ($1, 0, '(');
fd712a12fe53 compatibility for power operator precedence and direction (bug #33304) Axel Mathéi <axel.mathei@gmail.com> parents: 17618 diff changeset	643 if (! $$)
fd712a12fe53 compatibility for power operator precedence and direction (bug #33304) Axel Mathéi <axel.mathei@gmail.com> parents: 17618 diff changeset	644 ABORT_PARSE;
fd712a12fe53 compatibility for power operator precedence and direction (bug #33304) Axel Mathéi <axel.mathei@gmail.com> parents: 17618 diff changeset	645 }
fd712a12fe53 compatibility for power operator precedence and direction (bug #33304) Axel Mathéi <axel.mathei@gmail.com> parents: 17618 diff changeset	646 \| power_expr '(' arg_list ')'
fd712a12fe53 compatibility for power operator precedence and direction (bug #33304) Axel Mathéi <axel.mathei@gmail.com> parents: 17618 diff changeset	647 {
fd712a12fe53 compatibility for power operator precedence and direction (bug #33304) Axel Mathéi <axel.mathei@gmail.com> parents: 17618 diff changeset	648 $$ = parser.make_index_expression ($1, $3, '(');
fd712a12fe53 compatibility for power operator precedence and direction (bug #33304) Axel Mathéi <axel.mathei@gmail.com> parents: 17618 diff changeset	649 if (! $$)
fd712a12fe53 compatibility for power operator precedence and direction (bug #33304) Axel Mathéi <axel.mathei@gmail.com> parents: 17618 diff changeset	650 ABORT_PARSE;
fd712a12fe53 compatibility for power operator precedence and direction (bug #33304) Axel Mathéi <axel.mathei@gmail.com> parents: 17618 diff changeset	651 }
fd712a12fe53 compatibility for power operator precedence and direction (bug #33304) Axel Mathéi <axel.mathei@gmail.com> parents: 17618 diff changeset	652 \| power_expr '{' '}'
fd712a12fe53 compatibility for power operator precedence and direction (bug #33304) Axel Mathéi <axel.mathei@gmail.com> parents: 17618 diff changeset	653 {
fd712a12fe53 compatibility for power operator precedence and direction (bug #33304) Axel Mathéi <axel.mathei@gmail.com> parents: 17618 diff changeset	654 $$ = parser.make_index_expression ($1, 0, '{');
fd712a12fe53 compatibility for power operator precedence and direction (bug #33304) Axel Mathéi <axel.mathei@gmail.com> parents: 17618 diff changeset	655 if (! $$)
fd712a12fe53 compatibility for power operator precedence and direction (bug #33304) Axel Mathéi <axel.mathei@gmail.com> parents: 17618 diff changeset	656 ABORT_PARSE;
fd712a12fe53 compatibility for power operator precedence and direction (bug #33304) Axel Mathéi <axel.mathei@gmail.com> parents: 17618 diff changeset	657 }
fd712a12fe53 compatibility for power operator precedence and direction (bug #33304) Axel Mathéi <axel.mathei@gmail.com> parents: 17618 diff changeset	658 \| power_expr '{' arg_list '}'
fd712a12fe53 compatibility for power operator precedence and direction (bug #33304) Axel Mathéi <axel.mathei@gmail.com> parents: 17618 diff changeset	659 {
fd712a12fe53 compatibility for power operator precedence and direction (bug #33304) Axel Mathéi <axel.mathei@gmail.com> parents: 17618 diff changeset	660 $$ = parser.make_index_expression ($1, $3, '{');
fd712a12fe53 compatibility for power operator precedence and direction (bug #33304) Axel Mathéi <axel.mathei@gmail.com> parents: 17618 diff changeset	661 if (! $$)
fd712a12fe53 compatibility for power operator precedence and direction (bug #33304) Axel Mathéi <axel.mathei@gmail.com> parents: 17618 diff changeset	662 ABORT_PARSE;
fd712a12fe53 compatibility for power operator precedence and direction (bug #33304) Axel Mathéi <axel.mathei@gmail.com> parents: 17618 diff changeset	663 }
fd712a12fe53 compatibility for power operator precedence and direction (bug #33304) Axel Mathéi <axel.mathei@gmail.com> parents: 17618 diff changeset	664 \| power_expr indirect_ref_op STRUCT_ELT
fd712a12fe53 compatibility for power operator precedence and direction (bug #33304) Axel Mathéi <axel.mathei@gmail.com> parents: 17618 diff changeset	665 { $$ = parser.make_indirect_ref ($1, $3->text ()); }
fd712a12fe53 compatibility for power operator precedence and direction (bug #33304) Axel Mathéi <axel.mathei@gmail.com> parents: 17618 diff changeset	666 \| power_expr indirect_ref_op '(' expression ')'
fd712a12fe53 compatibility for power operator precedence and direction (bug #33304) Axel Mathéi <axel.mathei@gmail.com> parents: 17618 diff changeset	667 { $$ = parser.make_indirect_ref ($1, $4); }
fd712a12fe53 compatibility for power operator precedence and direction (bug #33304) Axel Mathéi <axel.mathei@gmail.com> parents: 17618 diff changeset	668 \| PLUS_PLUS power_expr %prec POW
fd712a12fe53 compatibility for power operator precedence and direction (bug #33304) Axel Mathéi <axel.mathei@gmail.com> parents: 17618 diff changeset	669 { $$ = parser.make_prefix_op (PLUS_PLUS, $2, $1); }
fd712a12fe53 compatibility for power operator precedence and direction (bug #33304) Axel Mathéi <axel.mathei@gmail.com> parents: 17618 diff changeset	670 \| MINUS_MINUS power_expr %prec POW
fd712a12fe53 compatibility for power operator precedence and direction (bug #33304) Axel Mathéi <axel.mathei@gmail.com> parents: 17618 diff changeset	671 { $$ = parser.make_prefix_op (MINUS_MINUS, $2, $1); }
fd712a12fe53 compatibility for power operator precedence and direction (bug #33304) Axel Mathéi <axel.mathei@gmail.com> parents: 17618 diff changeset	672 \| EXPR_NOT power_expr %prec POW
fd712a12fe53 compatibility for power operator precedence and direction (bug #33304) Axel Mathéi <axel.mathei@gmail.com> parents: 17618 diff changeset	673 { $$ = parser.make_prefix_op (EXPR_NOT, $2, $1); }
fd712a12fe53 compatibility for power operator precedence and direction (bug #33304) Axel Mathéi <axel.mathei@gmail.com> parents: 17618 diff changeset	674 \| '+' power_expr %prec POW
fd712a12fe53 compatibility for power operator precedence and direction (bug #33304) Axel Mathéi <axel.mathei@gmail.com> parents: 17618 diff changeset	675 { $$ = parser.make_prefix_op ('+', $2, $1); }
fd712a12fe53 compatibility for power operator precedence and direction (bug #33304) Axel Mathéi <axel.mathei@gmail.com> parents: 17618 diff changeset	676 \| '-' power_expr %prec POW
fd712a12fe53 compatibility for power operator precedence and direction (bug #33304) Axel Mathéi <axel.mathei@gmail.com> parents: 17618 diff changeset	677 { $$ = parser.make_prefix_op ('-', $2, $1); }
fd712a12fe53 compatibility for power operator precedence and direction (bug #33304) Axel Mathéi <axel.mathei@gmail.com> parents: 17618 diff changeset	678 ;
fd712a12fe53 compatibility for power operator precedence and direction (bug #33304) Axel Mathéi <axel.mathei@gmail.com> parents: 17618 diff changeset	679
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	680 colon_expr : colon_expr1
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	681 { $$ = parser.finish_colon_expression ($1); }
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	682 ;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	683
12627 002948ae5bc0 fix precedence level of transpose operators (bug #32533) John W. Eaton <jwe@octave.org> parents: 12483 diff changeset	684 colon_expr1 : oper_expr
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	685 { $$ = new tree_colon_expression ($1); }
12627 002948ae5bc0 fix precedence level of transpose operators (bug #32533) John W. Eaton <jwe@octave.org> parents: 12483 diff changeset	686 \| colon_expr1 ':' oper_expr
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	687 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	688 if (! ($$ = $1->append ($3)))
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	689 ABORT_PARSE;
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
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	693 simple_expr : colon_expr
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	694 { $$ = $1; }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	695 \| simple_expr LSHIFT simple_expr
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	696 { $$ = parser.make_binary_op (LSHIFT, $1, $2, $3); }
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	697 \| simple_expr RSHIFT simple_expr
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	698 { $$ = parser.make_binary_op (RSHIFT, $1, $2, $3); }
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	699 \| simple_expr EXPR_LT simple_expr
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	700 { $$ = parser.make_binary_op (EXPR_LT, $1, $2, $3); }
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	701 \| simple_expr EXPR_LE simple_expr
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	702 { $$ = parser.make_binary_op (EXPR_LE, $1, $2, $3); }
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	703 \| simple_expr EXPR_EQ simple_expr
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	704 { $$ = parser.make_binary_op (EXPR_EQ, $1, $2, $3); }
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	705 \| simple_expr EXPR_GE simple_expr
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	706 { $$ = parser.make_binary_op (EXPR_GE, $1, $2, $3); }
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	707 \| simple_expr EXPR_GT simple_expr
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	708 { $$ = parser.make_binary_op (EXPR_GT, $1, $2, $3); }
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	709 \| simple_expr EXPR_NE simple_expr
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	710 { $$ = parser.make_binary_op (EXPR_NE, $1, $2, $3); }
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	711 \| simple_expr EXPR_AND simple_expr
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	712 { $$ = parser.make_binary_op (EXPR_AND, $1, $2, $3); }
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	713 \| simple_expr EXPR_OR simple_expr
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	714 { $$ = parser.make_binary_op (EXPR_OR, $1, $2, $3); }
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	715 \| simple_expr EXPR_AND_AND simple_expr
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	716 { $$ = parser.make_boolean_op (EXPR_AND_AND, $1, $2, $3); }
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	717 \| simple_expr EXPR_OR_OR simple_expr
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	718 { $$ = parser.make_boolean_op (EXPR_OR_OR, $1, $2, $3); }
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	719 ;
2970 b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	720
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	721 assign_lhs : simple_expr
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	722 {
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	723 $$ = parser.validate_matrix_for_assignment ($1);
16273 c5e5f6ccac5d 9/10 commits reworking the lexer John W. Eaton <jwe@octave.org> parents: 16265 diff changeset	724
c5e5f6ccac5d 9/10 commits reworking the lexer John W. Eaton <jwe@octave.org> parents: 16265 diff changeset	725 if ($$)
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	726 { lexer.looking_at_matrix_or_assign_lhs = false; }
16273 c5e5f6ccac5d 9/10 commits reworking the lexer John W. Eaton <jwe@octave.org> parents: 16265 diff changeset	727 else
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	728 {
16277 8cb65fd72164 eliminate obsolete concepts of "pending local" and "forced" variables John W. Eaton <jwe@octave.org> parents: 16273 diff changeset	729 // validate_matrix_for_assignment deleted $1.
16273 c5e5f6ccac5d 9/10 commits reworking the lexer John W. Eaton <jwe@octave.org> parents: 16265 diff changeset	730 ABORT_PARSE;
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	731 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	732 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	733 ;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	734
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	735 assign_expr : assign_lhs '=' expression
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	736 { $$ = parser.make_assign_op ('=', $1, $2, $3); }
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	737 \| assign_lhs ADD_EQ expression
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	738 { $$ = parser.make_assign_op (ADD_EQ, $1, $2, $3); }
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	739 \| assign_lhs SUB_EQ expression
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	740 { $$ = parser.make_assign_op (SUB_EQ, $1, $2, $3); }
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	741 \| assign_lhs MUL_EQ expression
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	742 { $$ = parser.make_assign_op (MUL_EQ, $1, $2, $3); }
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	743 \| assign_lhs DIV_EQ expression
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	744 { $$ = parser.make_assign_op (DIV_EQ, $1, $2, $3); }
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	745 \| assign_lhs LEFTDIV_EQ expression
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	746 { $$ = parser.make_assign_op (LEFTDIV_EQ, $1, $2, $3); }
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	747 \| assign_lhs POW_EQ expression
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	748 { $$ = parser.make_assign_op (POW_EQ, $1, $2, $3); }
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	749 \| assign_lhs LSHIFT_EQ expression
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	750 { $$ = parser.make_assign_op (LSHIFT_EQ, $1, $2, $3); }
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	751 \| assign_lhs RSHIFT_EQ expression
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	752 { $$ = parser.make_assign_op (RSHIFT_EQ, $1, $2, $3); }
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	753 \| assign_lhs EMUL_EQ expression
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	754 { $$ = parser.make_assign_op (EMUL_EQ, $1, $2, $3); }
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	755 \| assign_lhs EDIV_EQ expression
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	756 { $$ = parser.make_assign_op (EDIV_EQ, $1, $2, $3); }
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	757 \| assign_lhs ELEFTDIV_EQ expression
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	758 { $$ = parser.make_assign_op (ELEFTDIV_EQ, $1, $2, $3); }
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	759 \| assign_lhs EPOW_EQ expression
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	760 { $$ = parser.make_assign_op (EPOW_EQ, $1, $2, $3); }
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	761 \| assign_lhs AND_EQ expression
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	762 { $$ = parser.make_assign_op (AND_EQ, $1, $2, $3); }
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	763 \| assign_lhs OR_EQ expression
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	764 { $$ = parser.make_assign_op (OR_EQ, $1, $2, $3); }
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	765 ;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	766
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	767 expression : simple_expr
16273 c5e5f6ccac5d 9/10 commits reworking the lexer John W. Eaton <jwe@octave.org> parents: 16265 diff changeset	768 {
c5e5f6ccac5d 9/10 commits reworking the lexer John W. Eaton <jwe@octave.org> parents: 16265 diff changeset	769 if ($1 && ($1->is_matrix () \|\| $1->is_cell ()))
c5e5f6ccac5d 9/10 commits reworking the lexer John W. Eaton <jwe@octave.org> parents: 16265 diff changeset	770 {
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	771 if (parser.validate_array_list ($1))
16273 c5e5f6ccac5d 9/10 commits reworking the lexer John W. Eaton <jwe@octave.org> parents: 16265 diff changeset	772 $$ = $1;
c5e5f6ccac5d 9/10 commits reworking the lexer John W. Eaton <jwe@octave.org> parents: 16265 diff changeset	773 else
c5e5f6ccac5d 9/10 commits reworking the lexer John W. Eaton <jwe@octave.org> parents: 16265 diff changeset	774 {
c5e5f6ccac5d 9/10 commits reworking the lexer John W. Eaton <jwe@octave.org> parents: 16265 diff changeset	775 delete $1;
c5e5f6ccac5d 9/10 commits reworking the lexer John W. Eaton <jwe@octave.org> parents: 16265 diff changeset	776 ABORT_PARSE;
c5e5f6ccac5d 9/10 commits reworking the lexer John W. Eaton <jwe@octave.org> parents: 16265 diff changeset	777 }
c5e5f6ccac5d 9/10 commits reworking the lexer John W. Eaton <jwe@octave.org> parents: 16265 diff changeset	778 }
c5e5f6ccac5d 9/10 commits reworking the lexer John W. Eaton <jwe@octave.org> parents: 16265 diff changeset	779 else
c5e5f6ccac5d 9/10 commits reworking the lexer John W. Eaton <jwe@octave.org> parents: 16265 diff changeset	780 $$ = $1;
c5e5f6ccac5d 9/10 commits reworking the lexer John W. Eaton <jwe@octave.org> parents: 16265 diff changeset	781 }
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	782 \| assign_expr
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	783 { $$ = $1; }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	784 \| anon_fcn_handle
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	785 { $$ = $1; }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	786 ;
2970 b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	787
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	788 // ================================================
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	789 // Commands, declarations, and function definitions
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	790 // ================================================
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	791
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	792 command : declaration
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	793 { $$ = $1; }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	794 \| select_command
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	795 { $$ = $1; }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	796 \| loop_command
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	797 { $$ = $1; }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	798 \| jump_command
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	799 { $$ = $1; }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	800 \| except_command
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	801 { $$ = $1; }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	802 \| function
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	803 { $$ = $1; }
16203 127cccb037bf move more global parser and lexer variables to classes John W. Eaton <jwe@octave.org> parents: 16199 diff changeset	804 \| file
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	805 { $$ = $1; }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	806 \| classdef
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	807 { $$ = $1; }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	808 ;
2970 b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	809
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	810 // =====================
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	811 // Declaration statemnts
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	812 // =====================
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	813
16263 9acb86e6ac90 4/10 commits reworking the lexer John W. Eaton <jwe@octave.org> parents: 16259 diff changeset	814 declaration : GLOBAL decl1
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	815 {
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	816 $$ = parser.make_decl_command (GLOBAL, $1, $2);
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	817 lexer.looking_at_decl_list = false;
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	818 }
16263 9acb86e6ac90 4/10 commits reworking the lexer John W. Eaton <jwe@octave.org> parents: 16259 diff changeset	819 \| PERSISTENT decl1
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	820 {
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	821 $$ = parser.make_decl_command (PERSISTENT, $1, $2);
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	822 lexer.looking_at_decl_list = false;
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	823 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	824 ;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	825
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	826 decl1 : decl2
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	827 { $$ = new tree_decl_init_list ($1); }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	828 \| decl1 decl2
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	829 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	830 $1->append ($2);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	831 $$ = $1;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	832 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	833 ;
2970 b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	834
7634 ae90e05ad299 fix parameter list initializer bug John W. Eaton <jwe@octave.org> parents: 7587 diff changeset	835 decl_param_init : // empty
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	836 { lexer.looking_at_initializer_expression = true; }
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	837
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	838 decl2 : identifier
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	839 { $$ = new tree_decl_elt ($1); }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	840 \| identifier '=' decl_param_init expression
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	841 {
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	842 lexer.looking_at_initializer_expression = false;
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	843 $$ = new tree_decl_elt ($1, $4);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	844 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	845 ;
2970 b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	846
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	847 // ====================
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	848 // Selection statements
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	849 // ====================
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	850
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	851 select_command : if_command
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	852 { $$ = $1; }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	853 \| switch_command
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	854 { $$ = $1; }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	855 ;
2970 b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	856
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	857 // ============
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	858 // If statement
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	859 // ============
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	860
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	861 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	862 {
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	863 if (! ($$ = parser.finish_if_command ($1, $3, $4, $2)))
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	864 ABORT_PARSE;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	865 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	866 ;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	867
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	868 if_cmd_list : if_cmd_list1
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	869 { $$ = $1; }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	870 \| if_cmd_list1 else_clause
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 $1->append ($2);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	873 $$ = $1;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	874 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	875 ;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	876
16681 d3619d4d267c recognize character string at beginning of statement (bug #38926, #38958) John W. Eaton <jwe@octave.org> parents: 16627 diff changeset	877 if_cmd_list1 : expression stmt_begin opt_sep opt_list
11091 5677f3f7b5fa Matlab compatible short-circuit behavior for & and \| operators John W. Eaton <jwe@octave.org> parents: 11060 diff changeset	878 {
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	879 $1->mark_braindead_shortcircuit (lexer.fcn_file_full_name);
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	880
16681 d3619d4d267c recognize character string at beginning of statement (bug #38926, #38958) John W. Eaton <jwe@octave.org> parents: 16627 diff changeset	881 $$ = parser.start_if_command ($1, $4);
11091 5677f3f7b5fa Matlab compatible short-circuit behavior for & and \| operators John W. Eaton <jwe@octave.org> parents: 11060 diff changeset	882 }
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	883 \| if_cmd_list1 elseif_clause
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	884 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	885 $1->append ($2);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	886 $$ = $1;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	887 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	888 ;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	889
16681 d3619d4d267c recognize character string at beginning of statement (bug #38926, #38958) John W. Eaton <jwe@octave.org> parents: 16627 diff changeset	890 elseif_clause : ELSEIF stash_comment opt_sep expression stmt_begin opt_sep opt_list
11091 5677f3f7b5fa Matlab compatible short-circuit behavior for & and \| operators John W. Eaton <jwe@octave.org> parents: 11060 diff changeset	891 {
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	892 $4->mark_braindead_shortcircuit (lexer.fcn_file_full_name);
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	893
16681 d3619d4d267c recognize character string at beginning of statement (bug #38926, #38958) John W. Eaton <jwe@octave.org> parents: 16627 diff changeset	894 $$ = parser.make_elseif_clause ($1, $4, $7, $2);
11091 5677f3f7b5fa Matlab compatible short-circuit behavior for & and \| operators John W. Eaton <jwe@octave.org> parents: 11060 diff changeset	895 }
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	896 ;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	897
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	898 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	899 { $$ = new tree_if_clause ($4, $2); }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	900 ;
2970 b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	901
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	902 // ================
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	903 // Switch statement
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	904 // ================
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	905
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	906 switch_command : SWITCH stash_comment expression opt_sep case_list END
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	907 {
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	908 if (! ($$ = parser.finish_switch_command ($1, $3, $5, $6, $2)))
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	909 ABORT_PARSE;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	910 }
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
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	913 case_list : // empty
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	914 { $$ = new tree_switch_case_list (); }
11317 2da532d0f41c accept otherwise clause in switch statement without preceding case statements John W. Eaton <jwe@octave.org> parents: 11258 diff changeset	915 \| default_case
2da532d0f41c accept otherwise clause in switch statement without preceding case statements John W. Eaton <jwe@octave.org> parents: 11258 diff changeset	916 { $$ = new tree_switch_case_list ($1); }
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	917 \| case_list1
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	918 { $$ = $1; }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	919 \| case_list1 default_case
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	920 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	921 $1->append ($2);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	922 $$ = $1;
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11572 diff changeset	923 }
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	924 ;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	925
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	926 case_list1 : switch_case
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	927 { $$ = new tree_switch_case_list ($1); }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	928 \| case_list1 switch_case
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	929 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	930 $1->append ($2);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	931 $$ = $1;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	932 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	933 ;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	934
16681 d3619d4d267c recognize character string at beginning of statement (bug #38926, #38958) John W. Eaton <jwe@octave.org> parents: 16627 diff changeset	935 switch_case : CASE stash_comment opt_sep expression stmt_begin opt_sep opt_list
d3619d4d267c recognize character string at beginning of statement (bug #38926, #38958) John W. Eaton <jwe@octave.org> parents: 16627 diff changeset	936 { $$ = parser.make_switch_case ($1, $4, $7, $2); }
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	937 ;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	938
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	939 default_case : OTHERWISE stash_comment opt_sep opt_list
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	940 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	941 $$ = new tree_switch_case ($4, $2);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	942 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	943 ;
2970 b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	944
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	945 // =======
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	946 // Looping
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	947 // =======
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	948
16681 d3619d4d267c recognize character string at beginning of statement (bug #38926, #38958) John W. Eaton <jwe@octave.org> parents: 16627 diff changeset	949 loop_command : WHILE stash_comment expression stmt_begin opt_sep opt_list END
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	950 {
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	951 $3->mark_braindead_shortcircuit (lexer.fcn_file_full_name);
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	952
16681 d3619d4d267c recognize character string at beginning of statement (bug #38926, #38958) John W. Eaton <jwe@octave.org> parents: 16627 diff changeset	953 if (! ($$ = parser.make_while_command ($1, $3, $6, $7, $2)))
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	954 ABORT_PARSE;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	955 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	956 \| DO stash_comment opt_sep opt_list UNTIL expression
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	957 {
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	958 if (! ($$ = parser.make_do_until_command ($5, $4, $6, $2)))
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	959 ABORT_PARSE;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	960 }
16681 d3619d4d267c recognize character string at beginning of statement (bug #38926, #38958) John W. Eaton <jwe@octave.org> parents: 16627 diff changeset	961 \| FOR stash_comment assign_lhs '=' expression stmt_begin opt_sep opt_list END
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	962 {
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	963 if (! ($$ = parser.make_for_command (FOR, $1, $3, $5, 0,
16681 d3619d4d267c recognize character string at beginning of statement (bug #38926, #38958) John W. Eaton <jwe@octave.org> parents: 16627 diff changeset	964 $8, $9, $2)))
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	965 ABORT_PARSE;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	966 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	967 \| FOR stash_comment '(' assign_lhs '=' expression ')' opt_sep opt_list END
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	968 {
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	969 if (! ($$ = parser.make_for_command (FOR, $1, $4, $6, 0,
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	970 $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	971 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	972 }
16681 d3619d4d267c recognize character string at beginning of statement (bug #38926, #38958) John W. Eaton <jwe@octave.org> parents: 16627 diff changeset	973 \| PARFOR stash_comment assign_lhs '=' expression stmt_begin opt_sep opt_list END
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	974 {
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	975 if (! ($$ = parser.make_for_command (PARFOR, $1, $3, $5,
16681 d3619d4d267c recognize character string at beginning of statement (bug #38926, #38958) John W. Eaton <jwe@octave.org> parents: 16627 diff changeset	976 0, $8, $9, $2)))
13245 027a2186cd90 parfor keyword and infrastructure, but handle parfor as normal for loop for now John W. Eaton <jwe@octave.org> parents: 13241 diff changeset	977 ABORT_PARSE;
027a2186cd90 parfor keyword and infrastructure, but handle parfor as normal for loop for now John W. Eaton <jwe@octave.org> parents: 13241 diff changeset	978 }
027a2186cd90 parfor keyword and infrastructure, but handle parfor as normal for loop for now John W. Eaton <jwe@octave.org> parents: 13241 diff changeset	979 \| PARFOR stash_comment '(' assign_lhs '=' expression ',' expression ')' opt_sep opt_list END
027a2186cd90 parfor keyword and infrastructure, but handle parfor as normal for loop for now John W. Eaton <jwe@octave.org> parents: 13241 diff changeset	980 {
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	981 if (! ($$ = parser.make_for_command (PARFOR, $1, $4, $6,
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	982 $8, $11, $12, $2)))
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	983 ABORT_PARSE;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	984 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	985 ;
2970 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 // =======
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	988 // Jumping
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	989 // =======
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	990
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	991 jump_command : BREAK
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	992 {
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	993 if (! ($$ = parser.make_break_command ($1)))
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	994 ABORT_PARSE;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	995 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	996 \| CONTINUE
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	997 {
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	998 if (! ($$ = parser.make_continue_command ($1)))
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	999 ABORT_PARSE;
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 \| FUNC_RET
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1002 {
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	1003 if (! ($$ = parser.make_return_command ($1)))
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1004 ABORT_PARSE;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1005 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1006 ;
2970 b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	1007
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	1008 // ==========
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	1009 // Exceptions
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	1010 // ==========
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	1011
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1012 except_command : UNWIND stash_comment opt_sep opt_list CLEANUP
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1013 stash_comment opt_sep opt_list END
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1014 {
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	1015 if (! ($$ = parser.make_unwind_command ($1, $4, $8, $9, $2, $6)))
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1016 ABORT_PARSE;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1017 }
17283 e6c0ac8ce5b6 eliminate parse conflicts introduced by changeset 923ce8b42db2 John W. Eaton <jwe@octave.org> parents: 17281 diff changeset	1018 \| TRY stash_comment opt_sep opt_list CATCH stash_comment
e6c0ac8ce5b6 eliminate parse conflicts introduced by changeset 923ce8b42db2 John W. Eaton <jwe@octave.org> parents: 17281 diff changeset	1019 opt_sep opt_list END
17249 923ce8b42db2 improve try-catch-statement to save exception to a variable (bug #33217) Stefan Mahr <dac922@gmx.de> parents: 17170 diff changeset	1020 {
17283 e6c0ac8ce5b6 eliminate parse conflicts introduced by changeset 923ce8b42db2 John W. Eaton <jwe@octave.org> parents: 17281 diff changeset	1021 if (! ($$ = parser.make_try_command ($1, $4, $7, $8, $9, $2, $6)))
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1022 ABORT_PARSE;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1023 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1024 \| TRY stash_comment opt_sep opt_list END
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1025 {
17249 923ce8b42db2 improve try-catch-statement to save exception to a variable (bug #33217) Stefan Mahr <dac922@gmx.de> parents: 17170 diff changeset	1026 if (! ($$ = parser.make_try_command ($1, $4, 0, 0, $5, $2, 0)))
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1027 ABORT_PARSE;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1028 }
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 // ===========================================
15466 d174210ce1ec use ' instead of ` in error messages, warnings and most comments John W. Eaton <jwe@octave.org> parents: 14189 diff changeset	1032 // Some 'subroutines' for function definitions
2970 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 push_fcn_symtab : // empty
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1036 {
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	1037 parser.curr_fcn_depth++;
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	1038
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	1039 if (parser.max_fcn_depth < parser.curr_fcn_depth)
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	1040 parser.max_fcn_depth = parser.curr_fcn_depth;
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1041
16320 09f0cb9cac7d don't modify symbol table scope in the parser John W. Eaton <jwe@octave.org> parents: 16302 diff changeset	1042 lexer.symtab_context.push (symbol_table::alloc_scope ());
09f0cb9cac7d don't modify symbol table scope in the parser John W. Eaton <jwe@octave.org> parents: 16302 diff changeset	1043
09f0cb9cac7d don't modify symbol table scope in the parser John W. Eaton <jwe@octave.org> parents: 16302 diff changeset	1044 parser.function_scopes.push_back
09f0cb9cac7d don't modify symbol table scope in the parser John W. Eaton <jwe@octave.org> parents: 16302 diff changeset	1045 (lexer.symtab_context.curr_scope ());
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	1046
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	1047 if (! lexer.reading_script_file
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	1048 && parser.curr_fcn_depth == 1
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	1049 && ! parser.parsing_subfunctions)
16320 09f0cb9cac7d don't modify symbol table scope in the parser John W. Eaton <jwe@octave.org> parents: 16302 diff changeset	1050 parser.primary_fcn_scope
09f0cb9cac7d don't modify symbol table scope in the parser John W. Eaton <jwe@octave.org> parents: 16302 diff changeset	1051 = lexer.symtab_context.curr_scope ();
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	1052
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	1053 if (lexer.reading_script_file
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	1054 && parser.curr_fcn_depth > 1)
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	1055 parser.bison_error ("nested functions not implemented in this context");
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1056 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1057 ;
2970 b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	1058
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	1059 // ===========================
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	1060 // List of function parameters
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	1061 // ===========================
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	1062
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1063 param_list_beg : '('
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1064 {
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	1065 lexer.looking_at_parameter_list = true;
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	1066
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	1067 if (lexer.looking_at_function_handle)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1068 {
16320 09f0cb9cac7d don't modify symbol table scope in the parser John W. Eaton <jwe@octave.org> parents: 16302 diff changeset	1069 lexer.symtab_context.push (symbol_table::alloc_scope ());
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	1070 lexer.looking_at_function_handle--;
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	1071 lexer.looking_at_anon_fcn_args = true;
10315 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 ;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1075
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1076 param_list_end : ')'
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1077 {
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	1078 lexer.looking_at_parameter_list = false;
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	1079 lexer.looking_for_object_index = false;
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
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1083 param_list : param_list_beg param_list1 param_list_end
16360 11115c237231 recognize variables when parsing (bug #38576) John W. Eaton <jwe@octave.org> parents: 16320 diff changeset	1084 {
11115c237231 recognize variables when parsing (bug #38576) John W. Eaton <jwe@octave.org> parents: 16320 diff changeset	1085 if ($2)
11115c237231 recognize variables when parsing (bug #38576) John W. Eaton <jwe@octave.org> parents: 16320 diff changeset	1086 lexer.mark_as_variables ($2->variable_names ());
11115c237231 recognize variables when parsing (bug #38576) John W. Eaton <jwe@octave.org> parents: 16320 diff changeset	1087
11115c237231 recognize variables when parsing (bug #38576) John W. Eaton <jwe@octave.org> parents: 16320 diff changeset	1088 $$ = $2;
11115c237231 recognize variables when parsing (bug #38576) John W. Eaton <jwe@octave.org> parents: 16320 diff changeset	1089 }
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1090 \| param_list_beg error
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1091 {
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	1092 parser.bison_error ("invalid parameter list");
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1093 $$ = 0;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1094 ABORT_PARSE;
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
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1098 param_list1 : // empty
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1099 { $$ = 0; }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1100 \| param_list2
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1101 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1102 $1->mark_as_formal_parameters ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1103 if ($1->validate (tree_parameter_list::in))
16360 11115c237231 recognize variables when parsing (bug #38576) John W. Eaton <jwe@octave.org> parents: 16320 diff changeset	1104 {
11115c237231 recognize variables when parsing (bug #38576) John W. Eaton <jwe@octave.org> parents: 16320 diff changeset	1105 lexer.mark_as_variables ($1->variable_names ());
11115c237231 recognize variables when parsing (bug #38576) John W. Eaton <jwe@octave.org> parents: 16320 diff changeset	1106 $$ = $1;
11115c237231 recognize variables when parsing (bug #38576) John W. Eaton <jwe@octave.org> parents: 16320 diff changeset	1107 }
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1108 else
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1109 ABORT_PARSE;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1110 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1111 ;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1112
17317 56fe31b248de disallow ~ in global and persistent declaration lists John W. Eaton <jwe@octave.org> parents: 17316 diff changeset	1113 param_list2 : param_list_elt
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1114 { $$ = new tree_parameter_list ($1); }
17317 56fe31b248de disallow ~ in global and persistent declaration lists John W. Eaton <jwe@octave.org> parents: 17316 diff changeset	1115 \| param_list2 ',' param_list_elt
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1116 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1117 $1->append ($3);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1118 $$ = $1;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1119 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1120 ;
2970 b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	1121
17317 56fe31b248de disallow ~ in global and persistent declaration lists John W. Eaton <jwe@octave.org> parents: 17316 diff changeset	1122 param_list_elt : decl2
56fe31b248de disallow ~ in global and persistent declaration lists John W. Eaton <jwe@octave.org> parents: 17316 diff changeset	1123 { $$ = $1; }
56fe31b248de disallow ~ in global and persistent declaration lists John W. Eaton <jwe@octave.org> parents: 17316 diff changeset	1124 \| magic_tilde
56fe31b248de disallow ~ in global and persistent declaration lists John W. Eaton <jwe@octave.org> parents: 17316 diff changeset	1125 { $$ = new tree_decl_elt ($1); }
56fe31b248de disallow ~ in global and persistent declaration lists John W. Eaton <jwe@octave.org> parents: 17316 diff changeset	1126 ;
56fe31b248de disallow ~ in global and persistent declaration lists John W. Eaton <jwe@octave.org> parents: 17316 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 // List of function return value names
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	1130 // ===================================
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	1131
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1132 return_list : '[' ']'
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1133 {
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	1134 lexer.looking_at_return_list = false;
17316 8e2906e2fb26 avoid reduce/reduce conflict in parser rules John W. Eaton <jwe@octave.org> parents: 17283 diff changeset	1135
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1136 $$ = new tree_parameter_list ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1137 }
17316 8e2906e2fb26 avoid reduce/reduce conflict in parser rules John W. Eaton <jwe@octave.org> parents: 17283 diff changeset	1138 \| identifier
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1139 {
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	1140 lexer.looking_at_return_list = false;
17316 8e2906e2fb26 avoid reduce/reduce conflict in parser rules John W. Eaton <jwe@octave.org> parents: 17283 diff changeset	1141
8e2906e2fb26 avoid reduce/reduce conflict in parser rules John W. Eaton <jwe@octave.org> parents: 17283 diff changeset	1142 tree_parameter_list *tmp = new tree_parameter_list ($1);
8e2906e2fb26 avoid reduce/reduce conflict in parser rules John W. Eaton <jwe@octave.org> parents: 17283 diff changeset	1143
8e2906e2fb26 avoid reduce/reduce conflict in parser rules John W. Eaton <jwe@octave.org> parents: 17283 diff changeset	1144 // Even though this parameter list can contain only
8e2906e2fb26 avoid reduce/reduce conflict in parser rules John W. Eaton <jwe@octave.org> parents: 17283 diff changeset	1145 // a single identifier, we still need to validate it
8e2906e2fb26 avoid reduce/reduce conflict in parser rules John W. Eaton <jwe@octave.org> parents: 17283 diff changeset	1146 // to check for varargin or varargout.
8e2906e2fb26 avoid reduce/reduce conflict in parser rules John W. Eaton <jwe@octave.org> parents: 17283 diff changeset	1147
8e2906e2fb26 avoid reduce/reduce conflict in parser rules John W. Eaton <jwe@octave.org> parents: 17283 diff changeset	1148 if (tmp->validate (tree_parameter_list::out))
8e2906e2fb26 avoid reduce/reduce conflict in parser rules John W. Eaton <jwe@octave.org> parents: 17283 diff changeset	1149 $$ = tmp;
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1150 else
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1151 ABORT_PARSE;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1152 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1153 \| '[' return_list1 ']'
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1154 {
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	1155 lexer.looking_at_return_list = false;
17316 8e2906e2fb26 avoid reduce/reduce conflict in parser rules John W. Eaton <jwe@octave.org> parents: 17283 diff changeset	1156
8e2906e2fb26 avoid reduce/reduce conflict in parser rules John W. Eaton <jwe@octave.org> parents: 17283 diff changeset	1157 // Check for duplicate parameter names, varargin,
8e2906e2fb26 avoid reduce/reduce conflict in parser rules John W. Eaton <jwe@octave.org> parents: 17283 diff changeset	1158 // or varargout.
8e2906e2fb26 avoid reduce/reduce conflict in parser rules John W. Eaton <jwe@octave.org> parents: 17283 diff changeset	1159
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1160 if ($2->validate (tree_parameter_list::out))
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1161 $$ = $2;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1162 else
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1163 ABORT_PARSE;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1164 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1165 ;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1166
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1167 return_list1 : identifier
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1168 { $$ = 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	1169 \| return_list1 ',' identifier
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1170 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1171 $1->append (new tree_decl_elt ($3));
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1172 $$ = $1;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1173 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1174 ;
2970 b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	1175
16203 127cccb037bf move more global parser and lexer variables to classes John W. Eaton <jwe@octave.org> parents: 16199 diff changeset	1176 // =======================
127cccb037bf move more global parser and lexer variables to classes John W. Eaton <jwe@octave.org> parents: 16199 diff changeset	1177 // Script or function file
127cccb037bf move more global parser and lexer variables to classes John W. Eaton <jwe@octave.org> parents: 16199 diff changeset	1178 // =======================
127cccb037bf move more global parser and lexer variables to classes John W. Eaton <jwe@octave.org> parents: 16199 diff changeset	1179
127cccb037bf move more global parser and lexer variables to classes John W. Eaton <jwe@octave.org> parents: 16199 diff changeset	1180 file : INPUT_FILE opt_nl opt_list END_OF_INPUT
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1181 {
17618 77eff9c6fb09 avoid memory leak when parsing function files (bug #40218) John W. Eaton <jwe@octave.org> parents: 17377 diff changeset	1182 if (lexer.reading_fcn_file)
77eff9c6fb09 avoid memory leak when parsing function files (bug #40218) John W. Eaton <jwe@octave.org> parents: 17377 diff changeset	1183 {
77eff9c6fb09 avoid memory leak when parsing function files (bug #40218) John W. Eaton <jwe@octave.org> parents: 17377 diff changeset	1184 // Delete the dummy statement_list we created
77eff9c6fb09 avoid memory leak when parsing function files (bug #40218) John W. Eaton <jwe@octave.org> parents: 17377 diff changeset	1185 // after parsing the function. Any function
77eff9c6fb09 avoid memory leak when parsing function files (bug #40218) John W. Eaton <jwe@octave.org> parents: 17377 diff changeset	1186 // definitions found in the file have already
77eff9c6fb09 avoid memory leak when parsing function files (bug #40218) John W. Eaton <jwe@octave.org> parents: 17377 diff changeset	1187 // been stored in the symbol table or in
77eff9c6fb09 avoid memory leak when parsing function files (bug #40218) John W. Eaton <jwe@octave.org> parents: 17377 diff changeset	1188 // octave_base_parser::primary_fcn_ptr.
77eff9c6fb09 avoid memory leak when parsing function files (bug #40218) John W. Eaton <jwe@octave.org> parents: 17377 diff changeset	1189
77eff9c6fb09 avoid memory leak when parsing function files (bug #40218) John W. Eaton <jwe@octave.org> parents: 17377 diff changeset	1190 delete $3;
77eff9c6fb09 avoid memory leak when parsing function files (bug #40218) John W. Eaton <jwe@octave.org> parents: 17377 diff changeset	1191 }
77eff9c6fb09 avoid memory leak when parsing function files (bug #40218) John W. Eaton <jwe@octave.org> parents: 17377 diff changeset	1192 else
16203 127cccb037bf move more global parser and lexer variables to classes John W. Eaton <jwe@octave.org> parents: 16199 diff changeset	1193 {
127cccb037bf move more global parser and lexer variables to classes John W. Eaton <jwe@octave.org> parents: 16199 diff changeset	1194 tree_statement *end_of_script
16627 de91b1621260 adjust location of eof marker for files with subfunctions but no explicit end statements John W. Eaton <jwe@octave.org> parents: 16574 diff changeset	1195 = parser.make_end ("endscript", true,
de91b1621260 adjust location of eof marker for files with subfunctions but no explicit end statements John W. Eaton <jwe@octave.org> parents: 16574 diff changeset	1196 lexer.input_line_number,
de91b1621260 adjust location of eof marker for files with subfunctions but no explicit end statements John W. Eaton <jwe@octave.org> parents: 16574 diff changeset	1197 lexer.current_input_column);
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	1198
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	1199 parser.make_script ($3, end_of_script);
16203 127cccb037bf move more global parser and lexer variables to classes John W. Eaton <jwe@octave.org> parents: 16199 diff changeset	1200 }
10315 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 $$ = 0;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1203 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1204 ;
7715 5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7699 diff changeset	1205
2970 b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	1206 // ===================
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	1207 // Function definition
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	1208 // ===================
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	1209
16627 de91b1621260 adjust location of eof marker for files with subfunctions but no explicit end statements John W. Eaton <jwe@octave.org> parents: 16574 diff changeset	1210 function_beg : push_fcn_symtab FCN
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1211 {
16627 de91b1621260 adjust location of eof marker for files with subfunctions but no explicit end statements John W. Eaton <jwe@octave.org> parents: 16574 diff changeset	1212 $$ = $2;
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	1213 if (lexer.reading_classdef_file
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	1214 \|\| lexer.parsing_classdef)
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	1215 lexer.maybe_classdef_get_set_method = true;
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1216 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1217 ;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1218
16627 de91b1621260 adjust location of eof marker for files with subfunctions but no explicit end statements John W. Eaton <jwe@octave.org> parents: 16574 diff changeset	1219 function : function_beg stash_comment function1
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1220 {
16627 de91b1621260 adjust location of eof marker for files with subfunctions but no explicit end statements John W. Eaton <jwe@octave.org> parents: 16574 diff changeset	1221 $$ = parser.finish_function (0, $3, $2, $1->line (),
de91b1621260 adjust location of eof marker for files with subfunctions but no explicit end statements John W. Eaton <jwe@octave.org> parents: 16574 diff changeset	1222 $1->column ());
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	1223 parser.recover_from_parsing_function ();
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1224 }
16627 de91b1621260 adjust location of eof marker for files with subfunctions but no explicit end statements John W. Eaton <jwe@octave.org> parents: 16574 diff changeset	1225 \| function_beg stash_comment return_list '=' function1
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1226 {
16627 de91b1621260 adjust location of eof marker for files with subfunctions but no explicit end statements John W. Eaton <jwe@octave.org> parents: 16574 diff changeset	1227 $$ = parser.finish_function ($3, $5, $2, $1->line (),
de91b1621260 adjust location of eof marker for files with subfunctions but no explicit end statements John W. Eaton <jwe@octave.org> parents: 16574 diff changeset	1228 $1->column ());
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	1229 parser.recover_from_parsing_function ();
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1230 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1231 ;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1232
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1233 fcn_name : identifier
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1234 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1235 std::string id_name = $1->name ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1236
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	1237 lexer.parsed_function_name.top () = true;
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	1238 lexer.maybe_classdef_get_set_method = false;
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11572 diff changeset	1239
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1240 $$ = $1;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1241 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1242 \| GET '.' identifier
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1243 {
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	1244 lexer.parsed_function_name.top () = true;
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	1245 lexer.maybe_classdef_get_set_method = false;
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1246 $$ = $3;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1247 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1248 \| SET '.' identifier
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1249 {
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	1250 lexer.parsed_function_name.top () = true;
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	1251 lexer.maybe_classdef_get_set_method = false;
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1252 $$ = $3;
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 function1 : fcn_name function2
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 std::string fname = $1->name ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1259
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1260 delete $1;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1261
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	1262 if (! ($$ = parser.frob_function (fname, $2)))
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1263 ABORT_PARSE;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1264 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1265 ;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1266
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1267 function2 : param_list opt_sep opt_list function_end
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	1268 { $$ = parser.start_function ($1, $3, $4); }
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1269 \| opt_sep opt_list function_end
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	1270 { $$ = parser.start_function (0, $2, $3); }
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1271 ;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1272
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1273 function_end : END
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1274 {
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	1275 parser.endfunction_found = true;
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	1276 if (parser.end_token_ok ($1, token::function_end))
16627 de91b1621260 adjust location of eof marker for files with subfunctions but no explicit end statements John W. Eaton <jwe@octave.org> parents: 16574 diff changeset	1277 $$ = parser.make_end ("endfunction", false,
de91b1621260 adjust location of eof marker for files with subfunctions but no explicit end statements John W. Eaton <jwe@octave.org> parents: 16574 diff changeset	1278 $1->line (), $1->column ());
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1279 else
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1280 ABORT_PARSE;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1281 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1282 \| END_OF_INPUT
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1283 {
9474 25ed2d6aacf6 Parse nested functions more accurately. David Grundberg <individ@acc.umu.se> parents: 9471 diff changeset	1284 // A lot of tests are based on the assumption that this is OK
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	1285 // if (lexer.reading_script_file)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1286 // {
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	1287 // parser.bison_error ("function body open at end of script");
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1288 // YYABORT;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1289 // }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1290
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	1291 if (parser.endfunction_found)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1292 {
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	1293 parser.bison_error ("inconsistent function endings -- "
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1294 "if one function is explicitly ended, "
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1295 "so must all the others");
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1296 YYABORT;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1297 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1298
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	1299 if (! (lexer.reading_fcn_file \|\| lexer.reading_script_file
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	1300 \|\| lexer.input_from_eval_string ()))
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1301 {
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	1302 parser.bison_error ("function body open at end of input");
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1303 YYABORT;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1304 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1305
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	1306 if (lexer.reading_classdef_file)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1307 {
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	1308 parser.bison_error ("classdef body open at end of input");
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1309 YYABORT;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1310 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1311
16627 de91b1621260 adjust location of eof marker for files with subfunctions but no explicit end statements John W. Eaton <jwe@octave.org> parents: 16574 diff changeset	1312 $$ = parser.make_end ("endfunction", true,
de91b1621260 adjust location of eof marker for files with subfunctions but no explicit end statements John W. Eaton <jwe@octave.org> parents: 16574 diff changeset	1313 lexer.input_line_number,
de91b1621260 adjust location of eof marker for files with subfunctions but no explicit end statements John W. Eaton <jwe@octave.org> parents: 16574 diff changeset	1314 lexer.current_input_column);
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1315 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1316 ;
2970 b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	1317
9476 d9b25c5b8ee5 handle classdef syntax in lexer and parser Ryan Rusaw parents: 9474 diff changeset	1318 // ========
d9b25c5b8ee5 handle classdef syntax in lexer and parser Ryan Rusaw parents: 9474 diff changeset	1319 // Classdef
d9b25c5b8ee5 handle classdef syntax in lexer and parser Ryan Rusaw parents: 9474 diff changeset	1320 // ========
d9b25c5b8ee5 handle classdef syntax in lexer and parser Ryan Rusaw parents: 9474 diff changeset	1321
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1322 classdef_beg : CLASSDEF stash_comment
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1323 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1324 $$ = 0;
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	1325 lexer.parsing_classdef = true;
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1326 }
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
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1329 classdef_end : END
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1330 {
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	1331 lexer.parsing_classdef = false;
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	1332
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	1333 if (parser.end_token_ok ($1, token::classdef_end))
16627 de91b1621260 adjust location of eof marker for files with subfunctions but no explicit end statements John W. Eaton <jwe@octave.org> parents: 16574 diff changeset	1334 $$ = parser.make_end ("endclassdef", false,
de91b1621260 adjust location of eof marker for files with subfunctions but no explicit end statements John W. Eaton <jwe@octave.org> parents: 16574 diff changeset	1335 $1->line (), $1->column ());
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1336 else
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1337 ABORT_PARSE;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1338 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1339 ;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1340
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1341 classdef1 : classdef_beg opt_attr_list identifier opt_superclasses
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1342 { $$ = 0; }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1343 ;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1344
13250 f6bbdea030b2 use opt_sep instead of literal '\n' in parser rules for classdef John W. Eaton <jwe@octave.org> parents: 13249 diff changeset	1345 classdef : classdef1 opt_sep class_body opt_sep stash_comment classdef_end
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1346 { $$ = 0; }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1347 ;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1348
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1349 opt_attr_list : // empty
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1350 { $$ = 0; }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1351 \| '(' attr_list ')'
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1352 { $$ = 0; }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1353 ;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1354
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1355 attr_list : attr
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1356 { $$ = 0; }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1357 \| attr_list ',' attr
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1358 { $$ = 0; }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1359 ;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1360
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1361 attr : identifier
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1362 { $$ = 0; }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1363 \| identifier '=' decl_param_init expression
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1364 { $$ = 0; }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1365 \| EXPR_NOT identifier
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1366 { $$ = 0; }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1367 ;
9476 d9b25c5b8ee5 handle classdef syntax in lexer and parser Ryan Rusaw parents: 9474 diff changeset	1368
d9b25c5b8ee5 handle classdef syntax in lexer and parser Ryan Rusaw parents: 9474 diff changeset	1369 opt_superclasses
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1370 : // empty
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1371 { $$ = 0; }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1372 \| superclasses
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1373 { $$ = 0; }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1374 ;
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 superclasses : EXPR_LT identifier '.' identifier
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1377 { $$ = 0; }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1378 \| EXPR_LT identifier
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1379 { $$ = 0; }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1380 \| superclasses EXPR_AND identifier '.' identifier
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1381 { $$ = 0; }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1382 \| superclasses EXPR_AND identifier
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1383 { $$ = 0; }
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 class_body : properties_block
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1387 { $$ = 0; }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1388 \| methods_block
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1389 { $$ = 0; }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1390 \| events_block
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1391 { $$ = 0; }
13249 7861a5fd3479 accept enumeration keyword John W. Eaton <jwe@octave.org> parents: 13246 diff changeset	1392 \| enum_block
7861a5fd3479 accept enumeration keyword John W. Eaton <jwe@octave.org> parents: 13246 diff changeset	1393 { $$ = 0; }
13250 f6bbdea030b2 use opt_sep instead of literal '\n' in parser rules for classdef John W. Eaton <jwe@octave.org> parents: 13249 diff changeset	1394 \| class_body opt_sep properties_block
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1395 { $$ = 0; }
13250 f6bbdea030b2 use opt_sep instead of literal '\n' in parser rules for classdef John W. Eaton <jwe@octave.org> parents: 13249 diff changeset	1396 \| class_body opt_sep methods_block
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1397 { $$ = 0; }
13250 f6bbdea030b2 use opt_sep instead of literal '\n' in parser rules for classdef John W. Eaton <jwe@octave.org> parents: 13249 diff changeset	1398 \| class_body opt_sep events_block
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1399 { $$ = 0; }
13250 f6bbdea030b2 use opt_sep instead of literal '\n' in parser rules for classdef John W. Eaton <jwe@octave.org> parents: 13249 diff changeset	1400 \| class_body opt_sep enum_block
13249 7861a5fd3479 accept enumeration keyword John W. Eaton <jwe@octave.org> parents: 13246 diff changeset	1401 { $$ = 0; }
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1402 ;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1403
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1404 properties_beg : PROPERTIES stash_comment
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1405 { $$ = 0; }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1406 ;
9476 d9b25c5b8ee5 handle classdef syntax in lexer and parser Ryan Rusaw parents: 9474 diff changeset	1407
d9b25c5b8ee5 handle classdef syntax in lexer and parser Ryan Rusaw parents: 9474 diff changeset	1408 properties_block
13250 f6bbdea030b2 use opt_sep instead of literal '\n' in parser rules for classdef John W. Eaton <jwe@octave.org> parents: 13249 diff changeset	1409 : properties_beg opt_attr_list opt_sep properties_list opt_sep END
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1410 { $$ = 0; }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1411 ;
9476 d9b25c5b8ee5 handle classdef syntax in lexer and parser Ryan Rusaw parents: 9474 diff changeset	1412
d9b25c5b8ee5 handle classdef syntax in lexer and parser Ryan Rusaw parents: 9474 diff changeset	1413 properties_list
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1414 : class_property
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1415 { $$ = 0; }
13250 f6bbdea030b2 use opt_sep instead of literal '\n' in parser rules for classdef John W. Eaton <jwe@octave.org> parents: 13249 diff changeset	1416 \| properties_list opt_sep class_property
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1417 { $$ = 0; }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1418 ;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1419
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1420 class_property : identifier
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1421 { $$ = 0; }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1422 \| identifier '=' decl_param_init expression ';'
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1423 { $$ = 0; }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1424 ;
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 methods_beg : METHODS stash_comment
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1427 { $$ = 0; }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1428 ;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1429
13250 f6bbdea030b2 use opt_sep instead of literal '\n' in parser rules for classdef John W. Eaton <jwe@octave.org> parents: 13249 diff changeset	1430 methods_block : methods_beg opt_attr_list opt_sep methods_list opt_sep END
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1431 { $$ = 0; }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1432 ;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1433
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1434 methods_list : function
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1435 { $$ = 0; }
13250 f6bbdea030b2 use opt_sep instead of literal '\n' in parser rules for classdef John W. Eaton <jwe@octave.org> parents: 13249 diff changeset	1436 \| methods_list opt_sep function
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1437 { $$ = 0; }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1438 ;
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 events_beg : EVENTS stash_comment
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1441 { $$ = 0; }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1442 ;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1443
13250 f6bbdea030b2 use opt_sep instead of literal '\n' in parser rules for classdef John W. Eaton <jwe@octave.org> parents: 13249 diff changeset	1444 events_block : events_beg opt_attr_list opt_sep events_list opt_sep END
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1445 { $$ = 0; }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1446 ;
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 events_list : class_event
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1449 { $$ = 0; }
13250 f6bbdea030b2 use opt_sep instead of literal '\n' in parser rules for classdef John W. Eaton <jwe@octave.org> parents: 13249 diff changeset	1450 \| events_list opt_sep class_event
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1451 { $$ = 0; }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1452 ;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1453
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1454 class_event : identifier
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1455 { $$ = 0; }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1456 ;
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11572 diff changeset	1457
13249 7861a5fd3479 accept enumeration keyword John W. Eaton <jwe@octave.org> parents: 13246 diff changeset	1458 enum_beg : ENUMERATION stash_comment
7861a5fd3479 accept enumeration keyword John W. Eaton <jwe@octave.org> parents: 13246 diff changeset	1459 { $$ = 0; }
7861a5fd3479 accept enumeration keyword John W. Eaton <jwe@octave.org> parents: 13246 diff changeset	1460 ;
7861a5fd3479 accept enumeration keyword John W. Eaton <jwe@octave.org> parents: 13246 diff changeset	1461
13250 f6bbdea030b2 use opt_sep instead of literal '\n' in parser rules for classdef John W. Eaton <jwe@octave.org> parents: 13249 diff changeset	1462 enum_block : enum_beg opt_attr_list opt_sep enum_list opt_sep END
13249 7861a5fd3479 accept enumeration keyword John W. Eaton <jwe@octave.org> parents: 13246 diff changeset	1463 { $$ = 0; }
7861a5fd3479 accept enumeration keyword John W. Eaton <jwe@octave.org> parents: 13246 diff changeset	1464 ;
7861a5fd3479 accept enumeration keyword John W. Eaton <jwe@octave.org> parents: 13246 diff changeset	1465
7861a5fd3479 accept enumeration keyword John W. Eaton <jwe@octave.org> parents: 13246 diff changeset	1466 enum_list : class_enum
7861a5fd3479 accept enumeration keyword John W. Eaton <jwe@octave.org> parents: 13246 diff changeset	1467 { $$ = 0; }
13250 f6bbdea030b2 use opt_sep instead of literal '\n' in parser rules for classdef John W. Eaton <jwe@octave.org> parents: 13249 diff changeset	1468 \| enum_list opt_sep class_enum
13249 7861a5fd3479 accept enumeration keyword John W. Eaton <jwe@octave.org> parents: 13246 diff changeset	1469 { $$ = 0; }
7861a5fd3479 accept enumeration keyword John W. Eaton <jwe@octave.org> parents: 13246 diff changeset	1470 ;
7861a5fd3479 accept enumeration keyword John W. Eaton <jwe@octave.org> parents: 13246 diff changeset	1471
7861a5fd3479 accept enumeration keyword John W. Eaton <jwe@octave.org> parents: 13246 diff changeset	1472 class_enum : identifier '(' expression ')'
7861a5fd3479 accept enumeration keyword John W. Eaton <jwe@octave.org> parents: 13246 diff changeset	1473 { $$ = 0; }
7861a5fd3479 accept enumeration keyword John W. Eaton <jwe@octave.org> parents: 13246 diff changeset	1474 ;
7861a5fd3479 accept enumeration keyword John W. Eaton <jwe@octave.org> parents: 13246 diff changeset	1475
2970 b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	1476 // =============
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	1477 // Miscellaneous
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	1478 // =============
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	1479
16681 d3619d4d267c recognize character string at beginning of statement (bug #38926, #38958) John W. Eaton <jwe@octave.org> parents: 16627 diff changeset	1480 stmt_begin : // empty
d3619d4d267c recognize character string at beginning of statement (bug #38926, #38958) John W. Eaton <jwe@octave.org> parents: 16627 diff changeset	1481 { lexer.at_beginning_of_statement = true; }
d3619d4d267c recognize character string at beginning of statement (bug #38926, #38958) John W. Eaton <jwe@octave.org> parents: 16627 diff changeset	1482 ;
d3619d4d267c recognize character string at beginning of statement (bug #38926, #38958) John W. Eaton <jwe@octave.org> parents: 16627 diff changeset	1483
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1484 stash_comment : // empty
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1485 { $$ = octave_comment_buffer::get_comment (); }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1486 ;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1487
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1488 parse_error : LEXICAL_ERROR
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	1489 { parser.bison_error ("parse error"); }
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1490 \| error
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1491 ;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1492
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1493 sep_no_nl : ','
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1494 { $$ = ','; }
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 { $$ = ';'; }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1497 \| sep_no_nl ','
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1498 { $$ = $1; }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1499 \| sep_no_nl ';'
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1500 { $$ = $1; }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1501 ;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1502
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1503 opt_sep_no_nl : // empty
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1504 { $$ = 0; }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1505 \| sep_no_nl
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1506 { $$ = $1; }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1507 ;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1508
16203 127cccb037bf move more global parser and lexer variables to classes John W. Eaton <jwe@octave.org> parents: 16199 diff changeset	1509 opt_nl : // empty
127cccb037bf move more global parser and lexer variables to classes John W. Eaton <jwe@octave.org> parents: 16199 diff changeset	1510 { $$ = 0; }
127cccb037bf move more global parser and lexer variables to classes John W. Eaton <jwe@octave.org> parents: 16199 diff changeset	1511 \| nl
127cccb037bf move more global parser and lexer variables to classes John W. Eaton <jwe@octave.org> parents: 16199 diff changeset	1512 { $$ = $1; }
127cccb037bf move more global parser and lexer variables to classes John W. Eaton <jwe@octave.org> parents: 16199 diff changeset	1513 ;
127cccb037bf move more global parser and lexer variables to classes John W. Eaton <jwe@octave.org> parents: 16199 diff changeset	1514
127cccb037bf move more global parser and lexer variables to classes John W. Eaton <jwe@octave.org> parents: 16199 diff changeset	1515 nl : '\n'
127cccb037bf move more global parser and lexer variables to classes John W. Eaton <jwe@octave.org> parents: 16199 diff changeset	1516 { $$ = '\n'; }
127cccb037bf move more global parser and lexer variables to classes John W. Eaton <jwe@octave.org> parents: 16199 diff changeset	1517 \| nl '\n'
127cccb037bf move more global parser and lexer variables to classes John W. Eaton <jwe@octave.org> parents: 16199 diff changeset	1518 { $$ = $1; }
127cccb037bf move more global parser and lexer variables to classes John W. Eaton <jwe@octave.org> parents: 16199 diff changeset	1519 ;
127cccb037bf move more global parser and lexer variables to classes John W. Eaton <jwe@octave.org> parents: 16199 diff changeset	1520
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1521 sep : ','
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1522 { $$ = ','; }
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 { $$ = ';'; }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1525 \| '\n'
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1526 { $$ = '\n'; }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1527 \| sep ','
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1528 { $$ = $1; }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1529 \| sep ';'
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1530 { $$ = $1; }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1531 \| sep '\n'
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1532 { $$ = $1; }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1533 ;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1534
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1535 opt_sep : // empty
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1536 { $$ = 0; }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1537 \| sep
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1538 { $$ = $1; }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1539 ;
2525 8561d88be5f2 [project @ 1996-11-17 21:23:31 by jwe] jwe parents: 2524 diff changeset	1540
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	1541 %%
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	1542
666 fb4f6556b443 [project @ 1994-09-06 21:22:46 by jwe] jwe parents: 627 diff changeset	1543 // Generic error messages.
fb4f6556b443 [project @ 1994-09-06 21:22:46 by jwe] jwe parents: 627 diff changeset	1544
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	1545 #undef lexer
16149 49dfba4fd3c5 use pure parser and reentrant lexer interfaces John W. Eaton <jwe@octave.org> parents: 16147 diff changeset	1546
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	1547 static void
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	1548 yyerror (octave_base_parser& parser, const char *s)
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	1549 {
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	1550 parser.bison_error (s);
16142 26d65d677557 rename yyerror to bison_error and make it a member of octave_parser class John W. Eaton <jwe@octave.org> parents: 16139 diff changeset	1551 }
26d65d677557 rename yyerror to bison_error and make it a member of octave_parser class John W. Eaton <jwe@octave.org> parents: 16139 diff changeset	1552
16287 04a7953496a7 create base class for parser; use reference for curr_lexer John W. Eaton <jwe@octave.org> parents: 16285 diff changeset	1553 octave_base_parser::~octave_base_parser (void)
16157 335041cc657a optionally use push parser interface John W. Eaton <jwe@octave.org> parents: 16153 diff changeset	1554 {
16177 a7669b4d27f6 eliminate global global_command variable John W. Eaton <jwe@octave.org> parents: 16174 diff changeset	1555 delete stmt_list;
a7669b4d27f6 eliminate global global_command variable John W. Eaton <jwe@octave.org> parents: 16174 diff changeset	1556
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	1557 delete &lexer;
16157 335041cc657a optionally use push parser interface John W. Eaton <jwe@octave.org> parents: 16153 diff changeset	1558 }
16287 04a7953496a7 create base class for parser; use reference for curr_lexer John W. Eaton <jwe@octave.org> parents: 16285 diff changeset	1559
04a7953496a7 create base class for parser; use reference for curr_lexer John W. Eaton <jwe@octave.org> parents: 16285 diff changeset	1560 void octave_base_parser::init (void)
16157 335041cc657a optionally use push parser interface John W. Eaton <jwe@octave.org> parents: 16153 diff changeset	1561 {
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	1562 LEXER = &lexer;
16157 335041cc657a optionally use push parser interface John W. Eaton <jwe@octave.org> parents: 16153 diff changeset	1563 }
335041cc657a optionally use push parser interface John W. Eaton <jwe@octave.org> parents: 16153 diff changeset	1564
16177 a7669b4d27f6 eliminate global global_command variable John W. Eaton <jwe@octave.org> parents: 16174 diff changeset	1565 void
16287 04a7953496a7 create base class for parser; use reference for curr_lexer John W. Eaton <jwe@octave.org> parents: 16285 diff changeset	1566 octave_base_parser::reset (void)
16177 a7669b4d27f6 eliminate global global_command variable John W. Eaton <jwe@octave.org> parents: 16174 diff changeset	1567 {
16574 b678d2d10e53 reset parser state on parse error (bug #38840) John W. Eaton <jwe@octave.org> parents: 16442 diff changeset	1568 endfunction_found = false;
b678d2d10e53 reset parser state on parse error (bug #38840) John W. Eaton <jwe@octave.org> parents: 16442 diff changeset	1569 autoloading = false;
b678d2d10e53 reset parser state on parse error (bug #38840) John W. Eaton <jwe@octave.org> parents: 16442 diff changeset	1570 fcn_file_from_relative_lookup = false;
b678d2d10e53 reset parser state on parse error (bug #38840) John W. Eaton <jwe@octave.org> parents: 16442 diff changeset	1571 parsing_subfunctions = false;
b678d2d10e53 reset parser state on parse error (bug #38840) John W. Eaton <jwe@octave.org> parents: 16442 diff changeset	1572 max_fcn_depth = 0;
b678d2d10e53 reset parser state on parse error (bug #38840) John W. Eaton <jwe@octave.org> parents: 16442 diff changeset	1573 curr_fcn_depth = 0;
b678d2d10e53 reset parser state on parse error (bug #38840) John W. Eaton <jwe@octave.org> parents: 16442 diff changeset	1574 primary_fcn_scope = -1;
b678d2d10e53 reset parser state on parse error (bug #38840) John W. Eaton <jwe@octave.org> parents: 16442 diff changeset	1575 curr_class_name = "";
b678d2d10e53 reset parser state on parse error (bug #38840) John W. Eaton <jwe@octave.org> parents: 16442 diff changeset	1576 function_scopes.clear ();
b678d2d10e53 reset parser state on parse error (bug #38840) John W. Eaton <jwe@octave.org> parents: 16442 diff changeset	1577 primary_fcn_ptr = 0;
16627 de91b1621260 adjust location of eof marker for files with subfunctions but no explicit end statements John W. Eaton <jwe@octave.org> parents: 16574 diff changeset	1578 subfunction_names.clear ();
16574 b678d2d10e53 reset parser state on parse error (bug #38840) John W. Eaton <jwe@octave.org> parents: 16442 diff changeset	1579
16177 a7669b4d27f6 eliminate global global_command variable John W. Eaton <jwe@octave.org> parents: 16174 diff changeset	1580 delete stmt_list;
a7669b4d27f6 eliminate global global_command variable John W. Eaton <jwe@octave.org> parents: 16174 diff changeset	1581 stmt_list = 0;
a7669b4d27f6 eliminate global global_command variable John W. Eaton <jwe@octave.org> parents: 16174 diff changeset	1582
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	1583 lexer.reset ();
16138 284e2ca86ef7 execute parser using member function of octave_parser class John W. Eaton <jwe@octave.org> parents: 16136 diff changeset	1584 }
284e2ca86ef7 execute parser using member function of octave_parser class John W. Eaton <jwe@octave.org> parents: 16136 diff changeset	1585
666 fb4f6556b443 [project @ 1994-09-06 21:22:46 by jwe] jwe parents: 627 diff changeset	1586 // Error mesages for mismatched end tokens.
fb4f6556b443 [project @ 1994-09-06 21:22:46 by jwe] jwe parents: 627 diff changeset	1587
16134 ec9c6222ef5a move static parser helper functions to octave_parser class John W. Eaton <jwe@octave.org> parents: 16133 diff changeset	1588 void
16287 04a7953496a7 create base class for parser; use reference for curr_lexer John W. Eaton <jwe@octave.org> parents: 16285 diff changeset	1589 octave_base_parser::end_error (const char *type, token::end_tok_type ettype,
04a7953496a7 create base class for parser; use reference for curr_lexer John W. Eaton <jwe@octave.org> parents: 16285 diff changeset	1590 int l, int c)
496 e7c5b23b34d3 [project @ 1994-07-06 15:02:26 by jwe] jwe parents: 482 diff changeset	1591 {
2805 68e6d0c93fc8 [project @ 1997-03-11 04:52:44 by jwe] jwe parents: 2791 diff changeset	1592 static const char *fmt
15466 d174210ce1ec use ' instead of ` in error messages, warnings and most comments John W. Eaton <jwe@octave.org> parents: 14189 diff changeset	1593 = "'%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	1594
e7c5b23b34d3 [project @ 1994-07-06 15:02:26 by jwe] jwe parents: 482 diff changeset	1595 switch (ettype)
e7c5b23b34d3 [project @ 1994-07-06 15:02:26 by jwe] jwe parents: 482 diff changeset	1596 {
e7c5b23b34d3 [project @ 1994-07-06 15:02:26 by jwe] jwe parents: 482 diff changeset	1597 case token::simple_end:
e7c5b23b34d3 [project @ 1994-07-06 15:02:26 by jwe] jwe parents: 482 diff changeset	1598 error (fmt, type, "end", l, c);
e7c5b23b34d3 [project @ 1994-07-06 15:02:26 by jwe] jwe parents: 482 diff changeset	1599 break;
777 a2f9d3fd720c [project @ 1994-10-07 14:01:53 by jwe] jwe parents: 773 diff changeset	1600
496 e7c5b23b34d3 [project @ 1994-07-06 15:02:26 by jwe] jwe parents: 482 diff changeset	1601 case token::for_end:
e7c5b23b34d3 [project @ 1994-07-06 15:02:26 by jwe] jwe parents: 482 diff changeset	1602 error (fmt, type, "endfor", l, c);
e7c5b23b34d3 [project @ 1994-07-06 15:02:26 by jwe] jwe parents: 482 diff changeset	1603 break;
777 a2f9d3fd720c [project @ 1994-10-07 14:01:53 by jwe] jwe parents: 773 diff changeset	1604
496 e7c5b23b34d3 [project @ 1994-07-06 15:02:26 by jwe] jwe parents: 482 diff changeset	1605 case token::function_end:
e7c5b23b34d3 [project @ 1994-07-06 15:02:26 by jwe] jwe parents: 482 diff changeset	1606 error (fmt, type, "endfunction", l, c);
e7c5b23b34d3 [project @ 1994-07-06 15:02:26 by jwe] jwe parents: 482 diff changeset	1607 break;
777 a2f9d3fd720c [project @ 1994-10-07 14:01:53 by jwe] jwe parents: 773 diff changeset	1608
9476 d9b25c5b8ee5 handle classdef syntax in lexer and parser Ryan Rusaw parents: 9474 diff changeset	1609 case token::classdef_end:
d9b25c5b8ee5 handle classdef syntax in lexer and parser Ryan Rusaw parents: 9474 diff changeset	1610 error (fmt, type, "endclassdef", l, c);
d9b25c5b8ee5 handle classdef syntax in lexer and parser Ryan Rusaw parents: 9474 diff changeset	1611 break;
d9b25c5b8ee5 handle classdef syntax in lexer and parser Ryan Rusaw parents: 9474 diff changeset	1612
496 e7c5b23b34d3 [project @ 1994-07-06 15:02:26 by jwe] jwe parents: 482 diff changeset	1613 case token::if_end:
e7c5b23b34d3 [project @ 1994-07-06 15:02:26 by jwe] jwe parents: 482 diff changeset	1614 error (fmt, type, "endif", l, c);
e7c5b23b34d3 [project @ 1994-07-06 15:02:26 by jwe] jwe parents: 482 diff changeset	1615 break;
777 a2f9d3fd720c [project @ 1994-10-07 14:01:53 by jwe] jwe parents: 773 diff changeset	1616
3233 98d0ee053ba4 [project @ 1999-01-27 20:23:40 by jwe] jwe parents: 3216 diff changeset	1617 case token::switch_end:
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11572 diff changeset	1618 error (fmt, type, "endswitch", l, c);
3233 98d0ee053ba4 [project @ 1999-01-27 20:23:40 by jwe] jwe parents: 3216 diff changeset	1619 break;
98d0ee053ba4 [project @ 1999-01-27 20:23:40 by jwe] jwe parents: 3216 diff changeset	1620
496 e7c5b23b34d3 [project @ 1994-07-06 15:02:26 by jwe] jwe parents: 482 diff changeset	1621 case token::while_end:
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11572 diff changeset	1622 error (fmt, type, "endwhile", l, c);
496 e7c5b23b34d3 [project @ 1994-07-06 15:02:26 by jwe] jwe parents: 482 diff changeset	1623 break;
777 a2f9d3fd720c [project @ 1994-10-07 14:01:53 by jwe] jwe parents: 773 diff changeset	1624
5400 c7e3cf2fce3e [project @ 2005-07-05 15:01:32 by jwe] jwe parents: 5397 diff changeset	1625 case token::try_catch_end:
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11572 diff changeset	1626 error (fmt, type, "end_try_catch", l, c);
5400 c7e3cf2fce3e [project @ 2005-07-05 15:01:32 by jwe] jwe parents: 5397 diff changeset	1627 break;
c7e3cf2fce3e [project @ 2005-07-05 15:01:32 by jwe] jwe parents: 5397 diff changeset	1628
1371 766af9ca8edb [project @ 1995-09-06 21:36:02 by jwe] jwe parents: 1351 diff changeset	1629 case token::unwind_protect_end:
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11572 diff changeset	1630 error (fmt, type, "end_unwind_protect", l, c);
1371 766af9ca8edb [project @ 1995-09-06 21:36:02 by jwe] jwe parents: 1351 diff changeset	1631 break;
766af9ca8edb [project @ 1995-09-06 21:36:02 by jwe] jwe parents: 1351 diff changeset	1632
496 e7c5b23b34d3 [project @ 1994-07-06 15:02:26 by jwe] jwe parents: 482 diff changeset	1633 default:
e7c5b23b34d3 [project @ 1994-07-06 15:02:26 by jwe] jwe parents: 482 diff changeset	1634 panic_impossible ();
e7c5b23b34d3 [project @ 1994-07-06 15:02:26 by jwe] jwe parents: 482 diff changeset	1635 break;
e7c5b23b34d3 [project @ 1994-07-06 15:02:26 by jwe] jwe parents: 482 diff changeset	1636 }
e7c5b23b34d3 [project @ 1994-07-06 15:02:26 by jwe] jwe parents: 482 diff changeset	1637 }
e7c5b23b34d3 [project @ 1994-07-06 15:02:26 by jwe] jwe parents: 482 diff changeset	1638
666 fb4f6556b443 [project @ 1994-09-06 21:22:46 by jwe] jwe parents: 627 diff changeset	1639 // Check to see that end tokens are properly matched.
fb4f6556b443 [project @ 1994-09-06 21:22:46 by jwe] jwe parents: 627 diff changeset	1640
16134 ec9c6222ef5a move static parser helper functions to octave_parser class John W. Eaton <jwe@octave.org> parents: 16133 diff changeset	1641 bool
16287 04a7953496a7 create base class for parser; use reference for curr_lexer John W. Eaton <jwe@octave.org> parents: 16285 diff changeset	1642 octave_base_parser::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	1643 {
2857 5448c8cba402 [project @ 1997-03-31 07:06:10 by jwe] jwe parents: 2856 diff changeset	1644 bool retval = true;
5448c8cba402 [project @ 1997-03-31 07:06:10 by jwe] jwe parents: 2856 diff changeset	1645
143 7849db4b6dbc [project @ 1993-10-04 02:36:45 by jwe] jwe parents: 118 diff changeset	1646 token::end_tok_type ettype = tok->ettype ();
2857 5448c8cba402 [project @ 1997-03-31 07:06:10 by jwe] jwe parents: 2856 diff changeset	1647
143 7849db4b6dbc [project @ 1993-10-04 02:36:45 by jwe] jwe parents: 118 diff changeset	1648 if (ettype != expected && ettype != token::simple_end)
7849db4b6dbc [project @ 1993-10-04 02:36:45 by jwe] jwe parents: 118 diff changeset	1649 {
2857 5448c8cba402 [project @ 1997-03-31 07:06:10 by jwe] jwe parents: 2856 diff changeset	1650 retval = false;
5448c8cba402 [project @ 1997-03-31 07:06:10 by jwe] jwe parents: 2856 diff changeset	1651
16142 26d65d677557 rename yyerror to bison_error and make it a member of octave_parser class John W. Eaton <jwe@octave.org> parents: 16139 diff changeset	1652 bison_error ("parse error");
143 7849db4b6dbc [project @ 1993-10-04 02:36:45 by jwe] jwe parents: 118 diff changeset	1653
7849db4b6dbc [project @ 1993-10-04 02:36:45 by jwe] jwe parents: 118 diff changeset	1654 int l = tok->line ();
7849db4b6dbc [project @ 1993-10-04 02:36:45 by jwe] jwe parents: 118 diff changeset	1655 int c = tok->column ();
7849db4b6dbc [project @ 1993-10-04 02:36:45 by jwe] jwe parents: 118 diff changeset	1656
7849db4b6dbc [project @ 1993-10-04 02:36:45 by jwe] jwe parents: 118 diff changeset	1657 switch (expected)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1658 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1659 case token::classdef_end:
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1660 end_error ("classdef", ettype, l, c);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1661 break;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1662
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1663 case token::for_end:
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1664 end_error ("for", ettype, l, c);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1665 break;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1666
13249 7861a5fd3479 accept enumeration keyword John W. Eaton <jwe@octave.org> parents: 13246 diff changeset	1667 case token::enumeration_end:
7861a5fd3479 accept enumeration keyword John W. Eaton <jwe@octave.org> parents: 13246 diff changeset	1668 end_error ("enumeration", ettype, l, c);
7861a5fd3479 accept enumeration keyword John W. Eaton <jwe@octave.org> parents: 13246 diff changeset	1669 break;
7861a5fd3479 accept enumeration keyword John W. Eaton <jwe@octave.org> parents: 13246 diff changeset	1670
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1671 case token::function_end:
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1672 end_error ("function", ettype, l, c);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1673 break;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1674
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1675 case token::if_end:
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1676 end_error ("if", ettype, l, c);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1677 break;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1678
13246 0c69a564f2be additional parfor changes John W. Eaton <jwe@octave.org> parents: 13245 diff changeset	1679 case token::parfor_end:
0c69a564f2be additional parfor changes John W. Eaton <jwe@octave.org> parents: 13245 diff changeset	1680 end_error ("parfor", ettype, l, c);
0c69a564f2be additional parfor changes John W. Eaton <jwe@octave.org> parents: 13245 diff changeset	1681 break;
0c69a564f2be additional parfor changes John W. Eaton <jwe@octave.org> parents: 13245 diff changeset	1682
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1683 case token::try_catch_end:
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1684 end_error ("try", ettype, l, c);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1685 break;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1686
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1687 case token::switch_end:
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1688 end_error ("switch", ettype, l, c);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1689 break;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1690
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1691 case token::unwind_protect_end:
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1692 end_error ("unwind_protect", ettype, l, c);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1693 break;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1694
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1695 case token::while_end:
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1696 end_error ("while", ettype, l, c);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1697 break;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1698
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1699 default:
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1700 panic_impossible ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1701 break;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1702 }
143 7849db4b6dbc [project @ 1993-10-04 02:36:45 by jwe] jwe parents: 118 diff changeset	1703 }
2857 5448c8cba402 [project @ 1997-03-31 07:06:10 by jwe] jwe parents: 2856 diff changeset	1704
5448c8cba402 [project @ 1997-03-31 07:06:10 by jwe] jwe parents: 2856 diff changeset	1705 return retval;
143 7849db4b6dbc [project @ 1993-10-04 02:36:45 by jwe] jwe parents: 118 diff changeset	1706 }
7849db4b6dbc [project @ 1993-10-04 02:36:45 by jwe] jwe parents: 118 diff changeset	1707
666 fb4f6556b443 [project @ 1994-09-06 21:22:46 by jwe] jwe parents: 627 diff changeset	1708 // 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	1709 // test in a logical expression.
fb4f6556b443 [project @ 1994-09-06 21:22:46 by jwe] jwe parents: 627 diff changeset	1710
16134 ec9c6222ef5a move static parser helper functions to octave_parser class John W. Eaton <jwe@octave.org> parents: 16133 diff changeset	1711 void
16287 04a7953496a7 create base class for parser; use reference for curr_lexer John W. Eaton <jwe@octave.org> parents: 16285 diff changeset	1712 octave_base_parser::maybe_warn_assign_as_truth_value (tree_expression *expr)
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	1713 {
5781 faafc2d98b8d [project @ 2006-05-02 19:40:19 by jwe] jwe parents: 5775 diff changeset	1714 if (expr->is_assignment_expression ()
2961 8a77d52c9d02 [project @ 1997-05-12 01:36:04 by jwe] jwe parents: 2960 diff changeset	1715 && expr->paren_count () < 2)
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	1716 {
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	1717 if (lexer.fcn_file_full_name.empty ())
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1718 warning_with_id
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1719 ("Octave:assign-as-truth-value",
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1720 "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	1721 else
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1722 warning_with_id
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1723 ("Octave:assign-as-truth-value",
15466 d174210ce1ec use ' instead of ` in error messages, warnings and most comments John W. Eaton <jwe@octave.org> parents: 14189 diff changeset	1724 "suggest parenthesis around assignment used as truth value near line %d, column %d in file '%s'",
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	1725 expr->line (), expr->column (), lexer.fcn_file_full_name.c_str ());
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	1726 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	1727 }
578 d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	1728
2764 2c0f259cf83d [project @ 1997-03-01 02:30:26 by jwe] jwe parents: 2745 diff changeset	1729 // 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	1730
16134 ec9c6222ef5a move static parser helper functions to octave_parser class John W. Eaton <jwe@octave.org> parents: 16133 diff changeset	1731 void
16287 04a7953496a7 create base class for parser; use reference for curr_lexer John W. Eaton <jwe@octave.org> parents: 16285 diff changeset	1732 octave_base_parser::maybe_warn_variable_switch_label (tree_expression *expr)
2764 2c0f259cf83d [project @ 1997-03-01 02:30:26 by jwe] jwe parents: 2745 diff changeset	1733 {
5781 faafc2d98b8d [project @ 2006-05-02 19:40:19 by jwe] jwe parents: 5775 diff changeset	1734 if (! expr->is_constant ())
8974 fde2a916b2ac include line and file info in parser warnings John W. Eaton <jwe@octave.org> parents: 8950 diff changeset	1735 {
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	1736 if (lexer.fcn_file_full_name.empty ())
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1737 warning_with_id ("Octave:variable-switch-label",
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1738 "variable switch label");
8974 fde2a916b2ac include line and file info in parser warnings John W. Eaton <jwe@octave.org> parents: 8950 diff changeset	1739 else
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1740 warning_with_id
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1741 ("Octave:variable-switch-label",
15466 d174210ce1ec use ' instead of ` in error messages, warnings and most comments John W. Eaton <jwe@octave.org> parents: 14189 diff changeset	1742 "variable switch label near line %d, column %d in file '%s'",
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	1743 expr->line (), expr->column (), lexer.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	1744 }
2764 2c0f259cf83d [project @ 1997-03-01 02:30:26 by jwe] jwe parents: 2745 diff changeset	1745 }
2c0f259cf83d [project @ 1997-03-01 02:30:26 by jwe] jwe parents: 2745 diff changeset	1746
2533 987e934bbb8c [project @ 1996-11-19 18:21:23 by jwe] jwe parents: 2525 diff changeset	1747 static tree_expression *
987e934bbb8c [project @ 1996-11-19 18:21:23 by jwe] jwe parents: 2525 diff changeset	1748 fold (tree_binary_expression *e)
987e934bbb8c [project @ 1996-11-19 18:21:23 by jwe] jwe parents: 2525 diff changeset	1749 {
3110 fe2d1ae8926b [project @ 1997-11-21 02:11:19 by jwe] jwe parents: 3099 diff changeset	1750 tree_expression *retval = e;
fe2d1ae8926b [project @ 1997-11-21 02:11:19 by jwe] jwe parents: 3099 diff changeset	1751
10067 6f79338c269b omission from last patch Jaroslav Hajek <highegg@gmail.com> parents: 9794 diff changeset	1752 unwind_protect frame;
6f79338c269b omission from last patch Jaroslav Hajek <highegg@gmail.com> parents: 9794 diff changeset	1753
6f79338c269b omission from last patch Jaroslav Hajek <highegg@gmail.com> parents: 9794 diff changeset	1754 frame.protect_var (error_state);
6f79338c269b omission from last patch Jaroslav Hajek <highegg@gmail.com> parents: 9794 diff changeset	1755 frame.protect_var (warning_state);
6f79338c269b omission from last patch Jaroslav Hajek <highegg@gmail.com> parents: 9794 diff changeset	1756
6f79338c269b omission from last patch Jaroslav Hajek <highegg@gmail.com> parents: 9794 diff changeset	1757 frame.protect_var (discard_error_messages);
6f79338c269b omission from last patch Jaroslav Hajek <highegg@gmail.com> parents: 9794 diff changeset	1758 frame.protect_var (discard_warning_messages);
4452 f3c21a1d1c62 [project @ 2003-07-09 23:20:18 by jwe] jwe parents: 4426 diff changeset	1759
3815 c554ad71bafc [project @ 2001-04-19 19:50:52 by jwe] jwe parents: 3802 diff changeset	1760 discard_error_messages = true;
4452 f3c21a1d1c62 [project @ 2003-07-09 23:20:18 by jwe] jwe parents: 4426 diff changeset	1761 discard_warning_messages = true;
2533 987e934bbb8c [project @ 1996-11-19 18:21:23 by jwe] jwe parents: 2525 diff changeset	1762
987e934bbb8c [project @ 1996-11-19 18:21:23 by jwe] jwe parents: 2525 diff changeset	1763 tree_expression *op1 = e->lhs ();
987e934bbb8c [project @ 1996-11-19 18:21:23 by jwe] jwe parents: 2525 diff changeset	1764 tree_expression *op2 = e->rhs ();
987e934bbb8c [project @ 1996-11-19 18:21:23 by jwe] jwe parents: 2525 diff changeset	1765
13844 e48529b3dbd4 eliminate warnings for changes in operator precedence made years ago John W. Eaton <jwe@octave.org> parents: 13250 diff changeset	1766 if (op1->is_constant () && op2->is_constant ())
2533 987e934bbb8c [project @ 1996-11-19 18:21:23 by jwe] jwe parents: 2525 diff changeset	1767 {
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: 8471 diff changeset	1768 octave_value tmp = e->rvalue1 ();
2533 987e934bbb8c [project @ 1996-11-19 18:21:23 by jwe] jwe parents: 2525 diff changeset	1769
3489 cbee5fbb696d [project @ 2000-01-28 09:14:32 by jwe] jwe parents: 3485 diff changeset	1770 if (! (error_state \|\| warning_state))
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 tree_constant *tc_retval
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1773 = new tree_constant (tmp, op1->line (), op1->column ());
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1774
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1775 std::ostringstream buf;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1776
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1777 tree_print_code tpc (buf);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1778
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1779 e->accept (tpc);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1780
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1781 tc_retval->stash_original_text (buf.str ());
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1782
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1783 delete e;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1784
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1785 retval = tc_retval;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1786 }
2533 987e934bbb8c [project @ 1996-11-19 18:21:23 by jwe] jwe parents: 2525 diff changeset	1787 }
3110 fe2d1ae8926b [project @ 1997-11-21 02:11:19 by jwe] jwe parents: 3099 diff changeset	1788
3292 ad0d250ebd7e [project @ 1999-10-14 22:52:28 by jwe] jwe parents: 3258 diff changeset	1789 return retval;
ad0d250ebd7e [project @ 1999-10-14 22:52:28 by jwe] jwe parents: 3258 diff changeset	1790 }
ad0d250ebd7e [project @ 1999-10-14 22:52:28 by jwe] jwe parents: 3258 diff changeset	1791
ad0d250ebd7e [project @ 1999-10-14 22:52:28 by jwe] jwe parents: 3258 diff changeset	1792 static tree_expression *
ad0d250ebd7e [project @ 1999-10-14 22:52:28 by jwe] jwe parents: 3258 diff changeset	1793 fold (tree_unary_expression *e)
ad0d250ebd7e [project @ 1999-10-14 22:52:28 by jwe] jwe parents: 3258 diff changeset	1794 {
ad0d250ebd7e [project @ 1999-10-14 22:52:28 by jwe] jwe parents: 3258 diff changeset	1795 tree_expression *retval = e;
ad0d250ebd7e [project @ 1999-10-14 22:52:28 by jwe] jwe parents: 3258 diff changeset	1796
10067 6f79338c269b omission from last patch Jaroslav Hajek <highegg@gmail.com> parents: 9794 diff changeset	1797 unwind_protect frame;
6f79338c269b omission from last patch Jaroslav Hajek <highegg@gmail.com> parents: 9794 diff changeset	1798
6f79338c269b omission from last patch Jaroslav Hajek <highegg@gmail.com> parents: 9794 diff changeset	1799 frame.protect_var (error_state);
6f79338c269b omission from last patch Jaroslav Hajek <highegg@gmail.com> parents: 9794 diff changeset	1800 frame.protect_var (warning_state);
6f79338c269b omission from last patch Jaroslav Hajek <highegg@gmail.com> parents: 9794 diff changeset	1801
6f79338c269b omission from last patch Jaroslav Hajek <highegg@gmail.com> parents: 9794 diff changeset	1802 frame.protect_var (discard_error_messages);
6f79338c269b omission from last patch Jaroslav Hajek <highegg@gmail.com> parents: 9794 diff changeset	1803 frame.protect_var (discard_warning_messages);
4452 f3c21a1d1c62 [project @ 2003-07-09 23:20:18 by jwe] jwe parents: 4426 diff changeset	1804
3815 c554ad71bafc [project @ 2001-04-19 19:50:52 by jwe] jwe parents: 3802 diff changeset	1805 discard_error_messages = true;
4452 f3c21a1d1c62 [project @ 2003-07-09 23:20:18 by jwe] jwe parents: 4426 diff changeset	1806 discard_warning_messages = true;
3292 ad0d250ebd7e [project @ 1999-10-14 22:52:28 by jwe] jwe parents: 3258 diff changeset	1807
ad0d250ebd7e [project @ 1999-10-14 22:52:28 by jwe] jwe parents: 3258 diff changeset	1808 tree_expression *op = e->operand ();
ad0d250ebd7e [project @ 1999-10-14 22:52:28 by jwe] jwe parents: 3258 diff changeset	1809
ad0d250ebd7e [project @ 1999-10-14 22:52:28 by jwe] jwe parents: 3258 diff changeset	1810 if (op->is_constant ())
ad0d250ebd7e [project @ 1999-10-14 22:52:28 by jwe] jwe parents: 3258 diff changeset	1811 {
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: 8471 diff changeset	1812 octave_value tmp = e->rvalue1 ();
3292 ad0d250ebd7e [project @ 1999-10-14 22:52:28 by jwe] jwe parents: 3258 diff changeset	1813
3489 cbee5fbb696d [project @ 2000-01-28 09:14:32 by jwe] jwe parents: 3485 diff changeset	1814 if (! (error_state \|\| warning_state))
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1815 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1816 tree_constant *tc_retval
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1817 = new tree_constant (tmp, op->line (), op->column ());
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1818
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1819 std::ostringstream buf;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1820
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1821 tree_print_code tpc (buf);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1822
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1823 e->accept (tpc);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1824
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1825 tc_retval->stash_original_text (buf.str ());
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1826
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1827 delete e;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1828
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1829 retval = tc_retval;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1830 }
3292 ad0d250ebd7e [project @ 1999-10-14 22:52:28 by jwe] jwe parents: 3258 diff changeset	1831 }
ad0d250ebd7e [project @ 1999-10-14 22:52:28 by jwe] jwe parents: 3258 diff changeset	1832
2533 987e934bbb8c [project @ 1996-11-19 18:21:23 by jwe] jwe parents: 2525 diff changeset	1833 return retval;
987e934bbb8c [project @ 1996-11-19 18:21:23 by jwe] jwe parents: 2525 diff changeset	1834 }
987e934bbb8c [project @ 1996-11-19 18:21:23 by jwe] jwe parents: 2525 diff changeset	1835
1623 fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	1836 // Finish building a range.
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	1837
16134 ec9c6222ef5a move static parser helper functions to octave_parser class John W. Eaton <jwe@octave.org> parents: 16133 diff changeset	1838 tree_expression *
16287 04a7953496a7 create base class for parser; use reference for curr_lexer John W. Eaton <jwe@octave.org> parents: 16285 diff changeset	1839 octave_base_parser::finish_colon_expression (tree_colon_expression *e)
1623 fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	1840 {
3110 fe2d1ae8926b [project @ 1997-11-21 02:11:19 by jwe] jwe parents: 3099 diff changeset	1841 tree_expression *retval = e;
fe2d1ae8926b [project @ 1997-11-21 02:11:19 by jwe] jwe parents: 3099 diff changeset	1842
10067 6f79338c269b omission from last patch Jaroslav Hajek <highegg@gmail.com> parents: 9794 diff changeset	1843 unwind_protect frame;
6f79338c269b omission from last patch Jaroslav Hajek <highegg@gmail.com> parents: 9794 diff changeset	1844
6f79338c269b omission from last patch Jaroslav Hajek <highegg@gmail.com> parents: 9794 diff changeset	1845 frame.protect_var (error_state);
6f79338c269b omission from last patch Jaroslav Hajek <highegg@gmail.com> parents: 9794 diff changeset	1846 frame.protect_var (warning_state);
6f79338c269b omission from last patch Jaroslav Hajek <highegg@gmail.com> parents: 9794 diff changeset	1847
6f79338c269b omission from last patch Jaroslav Hajek <highegg@gmail.com> parents: 9794 diff changeset	1848 frame.protect_var (discard_error_messages);
6f79338c269b omission from last patch Jaroslav Hajek <highegg@gmail.com> parents: 9794 diff changeset	1849 frame.protect_var (discard_warning_messages);
4452 f3c21a1d1c62 [project @ 2003-07-09 23:20:18 by jwe] jwe parents: 4426 diff changeset	1850
3815 c554ad71bafc [project @ 2001-04-19 19:50:52 by jwe] jwe parents: 3802 diff changeset	1851 discard_error_messages = true;
4452 f3c21a1d1c62 [project @ 2003-07-09 23:20:18 by jwe] jwe parents: 4426 diff changeset	1852 discard_warning_messages = true;
1623 fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	1853
2533 987e934bbb8c [project @ 1996-11-19 18:21:23 by jwe] jwe parents: 2525 diff changeset	1854 tree_expression *base = e->base ();
987e934bbb8c [project @ 1996-11-19 18:21:23 by jwe] jwe parents: 2525 diff changeset	1855 tree_expression *limit = e->limit ();
987e934bbb8c [project @ 1996-11-19 18:21:23 by jwe] jwe parents: 2525 diff changeset	1856 tree_expression *incr = e->increment ();
987e934bbb8c [project @ 1996-11-19 18:21:23 by jwe] jwe parents: 2525 diff changeset	1857
2970 b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	1858 if (base)
1623 fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	1859 {
2970 b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	1860 if (limit)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1861 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1862 if (base->is_constant () && limit->is_constant ()
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1863 && (! incr \|\| (incr && incr->is_constant ())))
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1864 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1865 octave_value tmp = e->rvalue1 ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1866
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1867 if (! (error_state \|\| warning_state))
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1868 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1869 tree_constant *tc_retval
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1870 = new tree_constant (tmp, base->line (), base->column ());
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1871
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1872 std::ostringstream buf;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1873
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1874 tree_print_code tpc (buf);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1875
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1876 e->accept (tpc);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1877
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1878 tc_retval->stash_original_text (buf.str ());
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1879
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1880 delete e;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1881
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1882 retval = tc_retval;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1883 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1884 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1885 }
2533 987e934bbb8c [project @ 1996-11-19 18:21:23 by jwe] jwe parents: 2525 diff changeset	1886 else
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1887 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1888 e->preserve_base ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1889 delete e;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1890
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1891 // FIXME -- need to attempt constant folding here
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1892 // 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	1893 retval = base;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1894 }
1623 fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	1895 }
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	1896
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	1897 return retval;
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	1898 }
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	1899
1607 795527e9db19 [project @ 1995-11-02 13:03:36 by jwe] jwe parents: 1588 diff changeset	1900 // Make a constant.
795527e9db19 [project @ 1995-11-02 13:03:36 by jwe] jwe parents: 1588 diff changeset	1901
16134 ec9c6222ef5a move static parser helper functions to octave_parser class John W. Eaton <jwe@octave.org> parents: 16133 diff changeset	1902 tree_constant *
16287 04a7953496a7 create base class for parser; use reference for curr_lexer John W. Eaton <jwe@octave.org> parents: 16285 diff changeset	1903 octave_base_parser::make_constant (int op, token *tok_val)
1607 795527e9db19 [project @ 1995-11-02 13:03:36 by jwe] jwe parents: 1588 diff changeset	1904 {
795527e9db19 [project @ 1995-11-02 13:03:36 by jwe] jwe parents: 1588 diff changeset	1905 int l = tok_val->line ();
795527e9db19 [project @ 1995-11-02 13:03:36 by jwe] jwe parents: 1588 diff changeset	1906 int c = tok_val->column ();
795527e9db19 [project @ 1995-11-02 13:03:36 by jwe] jwe parents: 1588 diff changeset	1907
3216 60a89a69a70a [project @ 1998-11-11 20:47:03 by jwe] jwe parents: 3208 diff changeset	1908 tree_constant *retval = 0;
1607 795527e9db19 [project @ 1995-11-02 13:03:36 by jwe] jwe parents: 1588 diff changeset	1909
795527e9db19 [project @ 1995-11-02 13:03:36 by jwe] jwe parents: 1588 diff changeset	1910 switch (op)
795527e9db19 [project @ 1995-11-02 13:03:36 by jwe] jwe parents: 1588 diff changeset	1911 {
795527e9db19 [project @ 1995-11-02 13:03:36 by jwe] jwe parents: 1588 diff changeset	1912 case NUM:
2533 987e934bbb8c [project @ 1996-11-19 18:21:23 by jwe] jwe parents: 2525 diff changeset	1913 {
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1914 octave_value tmp (tok_val->number ());
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1915 retval = new tree_constant (tmp, l, c);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1916 retval->stash_original_text (tok_val->text_rep ());
2533 987e934bbb8c [project @ 1996-11-19 18:21:23 by jwe] jwe parents: 2525 diff changeset	1917 }
1607 795527e9db19 [project @ 1995-11-02 13:03:36 by jwe] jwe parents: 1588 diff changeset	1918 break;
795527e9db19 [project @ 1995-11-02 13:03:36 by jwe] jwe parents: 1588 diff changeset	1919
795527e9db19 [project @ 1995-11-02 13:03:36 by jwe] jwe parents: 1588 diff changeset	1920 case IMAG_NUM:
795527e9db19 [project @ 1995-11-02 13:03:36 by jwe] jwe parents: 1588 diff changeset	1921 {
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1922 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	1923 retval = new tree_constant (tmp, l, c);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1924 retval->stash_original_text (tok_val->text_rep ());
1607 795527e9db19 [project @ 1995-11-02 13:03:36 by jwe] jwe parents: 1588 diff changeset	1925 }
795527e9db19 [project @ 1995-11-02 13:03:36 by jwe] jwe parents: 1588 diff changeset	1926 break;
795527e9db19 [project @ 1995-11-02 13:03:36 by jwe] jwe parents: 1588 diff changeset	1927
5279 bd32f770c09a [project @ 2005-04-12 21:55:31 by jwe] jwe parents: 5189 diff changeset	1928 case DQ_STRING:
bd32f770c09a [project @ 2005-04-12 21:55:31 by jwe] jwe parents: 5189 diff changeset	1929 case SQ_STRING:
2883 0b3954110c77 [project @ 1997-04-24 09:57:05 by jwe] jwe parents: 2865 diff changeset	1930 {
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1931 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	1932
8150 283989f2da9b make null assignment matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 8064 diff changeset	1933 char delim = op == DQ_STRING ? '"' : '\'';
283989f2da9b make null assignment matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 8064 diff changeset	1934 octave_value tmp (txt, delim);
283989f2da9b make null assignment matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 8064 diff changeset	1935
283989f2da9b make null assignment matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 8064 diff changeset	1936 if (txt.empty ())
283989f2da9b make null assignment matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 8064 diff changeset	1937 {
283989f2da9b make null assignment matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 8064 diff changeset	1938 if (op == DQ_STRING)
283989f2da9b make null assignment matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 8064 diff changeset	1939 tmp = octave_null_str::instance;
283989f2da9b make null assignment matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 8064 diff changeset	1940 else
283989f2da9b make null assignment matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 8064 diff changeset	1941 tmp = octave_null_sq_str::instance;
283989f2da9b make null assignment matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 8064 diff changeset	1942 }
283989f2da9b make null assignment matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 8064 diff changeset	1943
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1944 retval = new tree_constant (tmp, l, c);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1945
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1946 if (op == DQ_STRING)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1947 txt = undo_string_escapes (txt);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1948
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1949 // FIXME -- maybe this should also be handled by
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1950 // tok_val->text_rep () for character strings?
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	1951 retval->stash_original_text (delim + txt + delim);
2883 0b3954110c77 [project @ 1997-04-24 09:57:05 by jwe] jwe parents: 2865 diff changeset	1952 }
1607 795527e9db19 [project @ 1995-11-02 13:03:36 by jwe] jwe parents: 1588 diff changeset	1953 break;
795527e9db19 [project @ 1995-11-02 13:03:36 by jwe] jwe parents: 1588 diff changeset	1954
795527e9db19 [project @ 1995-11-02 13:03:36 by jwe] jwe parents: 1588 diff changeset	1955 default:
795527e9db19 [project @ 1995-11-02 13:03:36 by jwe] jwe parents: 1588 diff changeset	1956 panic_impossible ();
795527e9db19 [project @ 1995-11-02 13:03:36 by jwe] jwe parents: 1588 diff changeset	1957 break;
795527e9db19 [project @ 1995-11-02 13:03:36 by jwe] jwe parents: 1588 diff changeset	1958 }
795527e9db19 [project @ 1995-11-02 13:03:36 by jwe] jwe parents: 1588 diff changeset	1959
795527e9db19 [project @ 1995-11-02 13:03:36 by jwe] jwe parents: 1588 diff changeset	1960 return retval;
795527e9db19 [project @ 1995-11-02 13:03:36 by jwe] jwe parents: 1588 diff changeset	1961 }
795527e9db19 [project @ 1995-11-02 13:03:36 by jwe] jwe parents: 1588 diff changeset	1962
4342 813effe14ee1 [project @ 2003-02-20 08:35:55 by jwe] jwe parents: 4318 diff changeset	1963 // Make a function handle.
813effe14ee1 [project @ 2003-02-20 08:35:55 by jwe] jwe parents: 4318 diff changeset	1964
16134 ec9c6222ef5a move static parser helper functions to octave_parser class John W. Eaton <jwe@octave.org> parents: 16133 diff changeset	1965 tree_fcn_handle *
16287 04a7953496a7 create base class for parser; use reference for curr_lexer John W. Eaton <jwe@octave.org> parents: 16285 diff changeset	1966 octave_base_parser::make_fcn_handle (token *tok_val)
4342 813effe14ee1 [project @ 2003-02-20 08:35:55 by jwe] jwe parents: 4318 diff changeset	1967 {
813effe14ee1 [project @ 2003-02-20 08:35:55 by jwe] jwe parents: 4318 diff changeset	1968 int l = tok_val->line ();
813effe14ee1 [project @ 2003-02-20 08:35:55 by jwe] jwe parents: 4318 diff changeset	1969 int c = tok_val->column ();
813effe14ee1 [project @ 2003-02-20 08:35:55 by jwe] jwe parents: 4318 diff changeset	1970
813effe14ee1 [project @ 2003-02-20 08:35:55 by jwe] jwe parents: 4318 diff changeset	1971 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	1972
813effe14ee1 [project @ 2003-02-20 08:35:55 by jwe] jwe parents: 4318 diff changeset	1973 return retval;
813effe14ee1 [project @ 2003-02-20 08:35:55 by jwe] jwe parents: 4318 diff changeset	1974 }
813effe14ee1 [project @ 2003-02-20 08:35:55 by jwe] jwe parents: 4318 diff changeset	1975
4935 4fc993a4e072 [project @ 2004-08-06 03:17:12 by jwe] jwe parents: 4930 diff changeset	1976 // Make an anonymous function handle.
4fc993a4e072 [project @ 2004-08-06 03:17:12 by jwe] jwe parents: 4930 diff changeset	1977
16134 ec9c6222ef5a move static parser helper functions to octave_parser class John W. Eaton <jwe@octave.org> parents: 16133 diff changeset	1978 tree_anon_fcn_handle *
16287 04a7953496a7 create base class for parser; use reference for curr_lexer John W. Eaton <jwe@octave.org> parents: 16285 diff changeset	1979 octave_base_parser::make_anon_fcn_handle (tree_parameter_list *param_list,
04a7953496a7 create base class for parser; use reference for curr_lexer John W. Eaton <jwe@octave.org> parents: 16285 diff changeset	1980 tree_statement *stmt)
4935 4fc993a4e072 [project @ 2004-08-06 03:17:12 by jwe] jwe parents: 4930 diff changeset	1981 {
5775 ace8d8d26933 [project @ 2006-04-24 19:13:06 by jwe] jwe parents: 5774 diff changeset	1982 // FIXME -- need to get these from the location of the @ symbol.
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	1983 int l = lexer.input_line_number;
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	1984 int c = lexer.current_input_column;
4935 4fc993a4e072 [project @ 2004-08-06 03:17:12 by jwe] jwe parents: 4930 diff changeset	1985
4fc993a4e072 [project @ 2004-08-06 03:17:12 by jwe] jwe parents: 4930 diff changeset	1986 tree_parameter_list *ret_list = 0;
4fc993a4e072 [project @ 2004-08-06 03:17:12 by jwe] jwe parents: 4930 diff changeset	1987
16320 09f0cb9cac7d don't modify symbol table scope in the parser John W. Eaton <jwe@octave.org> parents: 16302 diff changeset	1988 symbol_table::scope_id fcn_scope = lexer.symtab_context.curr_scope ();
09f0cb9cac7d don't modify symbol table scope in the parser John W. Eaton <jwe@octave.org> parents: 16302 diff changeset	1989
09f0cb9cac7d don't modify symbol table scope in the parser John W. Eaton <jwe@octave.org> parents: 16302 diff changeset	1990 if (lexer.symtab_context.empty ())
5861 2a6cb4ed8f1e [project @ 2006-06-16 05:09:41 by jwe] jwe parents: 5848 diff changeset	1991 panic_impossible ();
2a6cb4ed8f1e [project @ 2006-06-16 05:09:41 by jwe] jwe parents: 5848 diff changeset	1992
16320 09f0cb9cac7d don't modify symbol table scope in the parser John W. Eaton <jwe@octave.org> parents: 16302 diff changeset	1993 lexer.symtab_context.pop ();
5861 2a6cb4ed8f1e [project @ 2006-06-16 05:09:41 by jwe] jwe parents: 5848 diff changeset	1994
7351 8470a6b0b769 [project @ 2008-01-07 17:57:24 by jwe] jwe parents: 7336 diff changeset	1995 stmt->set_print_flag (false);
4935 4fc993a4e072 [project @ 2004-08-06 03:17:12 by jwe] jwe parents: 4930 diff changeset	1996
4fc993a4e072 [project @ 2004-08-06 03:17:12 by jwe] jwe parents: 4930 diff changeset	1997 tree_statement_list *body = new tree_statement_list (stmt);
4fc993a4e072 [project @ 2004-08-06 03:17:12 by jwe] jwe parents: 4930 diff changeset	1998
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: 8471 diff changeset	1999 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	2000
5861 2a6cb4ed8f1e [project @ 2006-06-16 05:09:41 by jwe] jwe parents: 5848 diff changeset	2001 tree_anon_fcn_handle *retval
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	2002 = 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	2003 // 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	2004 // errors when executed.
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	2005 //retval->stash_file_name (lexer.fcn_file_name);
4935 4fc993a4e072 [project @ 2004-08-06 03:17:12 by jwe] jwe parents: 4930 diff changeset	2006
4fc993a4e072 [project @ 2004-08-06 03:17:12 by jwe] jwe parents: 4930 diff changeset	2007 return retval;
4fc993a4e072 [project @ 2004-08-06 03:17:12 by jwe] jwe parents: 4930 diff changeset	2008 }
4fc993a4e072 [project @ 2004-08-06 03:17:12 by jwe] jwe parents: 4930 diff changeset	2009
666 fb4f6556b443 [project @ 1994-09-06 21:22:46 by jwe] jwe parents: 627 diff changeset	2010 // Build a binary expression.
fb4f6556b443 [project @ 1994-09-06 21:22:46 by jwe] jwe parents: 627 diff changeset	2011
16134 ec9c6222ef5a move static parser helper functions to octave_parser class John W. Eaton <jwe@octave.org> parents: 16133 diff changeset	2012 tree_expression *
16287 04a7953496a7 create base class for parser; use reference for curr_lexer John W. Eaton <jwe@octave.org> parents: 16285 diff changeset	2013 octave_base_parser::make_binary_op (int op, tree_expression *op1,
04a7953496a7 create base class for parser; use reference for curr_lexer John W. Eaton <jwe@octave.org> parents: 16285 diff changeset	2014 token tok_val, tree_expression op2)
578 d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2015 {
2883 0b3954110c77 [project @ 1997-04-24 09:57:05 by jwe] jwe parents: 2865 diff changeset	2016 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	2017
578 d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2018 switch (op)
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2019 {
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2020 case POW:
3525 6cfa474c5b99 [project @ 2000-02-02 10:48:41 by jwe] jwe parents: 3523 diff changeset	2021 t = octave_value::op_pow;
578 d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2022 break;
777 a2f9d3fd720c [project @ 1994-10-07 14:01:53 by jwe] jwe parents: 773 diff changeset	2023
578 d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2024 case EPOW:
3525 6cfa474c5b99 [project @ 2000-02-02 10:48:41 by jwe] jwe parents: 3523 diff changeset	2025 t = octave_value::op_el_pow;
578 d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2026 break;
777 a2f9d3fd720c [project @ 1994-10-07 14:01:53 by jwe] jwe parents: 773 diff changeset	2027
578 d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2028 case '+':
3525 6cfa474c5b99 [project @ 2000-02-02 10:48:41 by jwe] jwe parents: 3523 diff changeset	2029 t = octave_value::op_add;
578 d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2030 break;
777 a2f9d3fd720c [project @ 1994-10-07 14:01:53 by jwe] jwe parents: 773 diff changeset	2031
578 d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2032 case '-':
3525 6cfa474c5b99 [project @ 2000-02-02 10:48:41 by jwe] jwe parents: 3523 diff changeset	2033 t = octave_value::op_sub;
578 d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2034 break;
777 a2f9d3fd720c [project @ 1994-10-07 14:01:53 by jwe] jwe parents: 773 diff changeset	2035
578 d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2036 case '*':
3525 6cfa474c5b99 [project @ 2000-02-02 10:48:41 by jwe] jwe parents: 3523 diff changeset	2037 t = octave_value::op_mul;
578 d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2038 break;
777 a2f9d3fd720c [project @ 1994-10-07 14:01:53 by jwe] jwe parents: 773 diff changeset	2039
578 d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2040 case '/':
3525 6cfa474c5b99 [project @ 2000-02-02 10:48:41 by jwe] jwe parents: 3523 diff changeset	2041 t = octave_value::op_div;
578 d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2042 break;
777 a2f9d3fd720c [project @ 1994-10-07 14:01:53 by jwe] jwe parents: 773 diff changeset	2043
578 d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2044 case EMUL:
3525 6cfa474c5b99 [project @ 2000-02-02 10:48:41 by jwe] jwe parents: 3523 diff changeset	2045 t = octave_value::op_el_mul;
578 d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2046 break;
777 a2f9d3fd720c [project @ 1994-10-07 14:01:53 by jwe] jwe parents: 773 diff changeset	2047
578 d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2048 case EDIV:
3525 6cfa474c5b99 [project @ 2000-02-02 10:48:41 by jwe] jwe parents: 3523 diff changeset	2049 t = octave_value::op_el_div;
578 d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2050 break;
777 a2f9d3fd720c [project @ 1994-10-07 14:01:53 by jwe] jwe parents: 773 diff changeset	2051
578 d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2052 case LEFTDIV:
3525 6cfa474c5b99 [project @ 2000-02-02 10:48:41 by jwe] jwe parents: 3523 diff changeset	2053 t = octave_value::op_ldiv;
578 d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2054 break;
777 a2f9d3fd720c [project @ 1994-10-07 14:01:53 by jwe] jwe parents: 773 diff changeset	2055
578 d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2056 case ELEFTDIV:
3525 6cfa474c5b99 [project @ 2000-02-02 10:48:41 by jwe] jwe parents: 3523 diff changeset	2057 t = octave_value::op_el_ldiv;
578 d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2058 break;
777 a2f9d3fd720c [project @ 1994-10-07 14:01:53 by jwe] jwe parents: 773 diff changeset	2059
2899 0d79a8c11a2b [project @ 1997-04-30 03:09:23 by jwe] jwe parents: 2891 diff changeset	2060 case LSHIFT:
3525 6cfa474c5b99 [project @ 2000-02-02 10:48:41 by jwe] jwe parents: 3523 diff changeset	2061 t = octave_value::op_lshift;
2899 0d79a8c11a2b [project @ 1997-04-30 03:09:23 by jwe] jwe parents: 2891 diff changeset	2062 break;
0d79a8c11a2b [project @ 1997-04-30 03:09:23 by jwe] jwe parents: 2891 diff changeset	2063
0d79a8c11a2b [project @ 1997-04-30 03:09:23 by jwe] jwe parents: 2891 diff changeset	2064 case RSHIFT:
3525 6cfa474c5b99 [project @ 2000-02-02 10:48:41 by jwe] jwe parents: 3523 diff changeset	2065 t = octave_value::op_rshift;
2899 0d79a8c11a2b [project @ 1997-04-30 03:09:23 by jwe] jwe parents: 2891 diff changeset	2066 break;
0d79a8c11a2b [project @ 1997-04-30 03:09:23 by jwe] jwe parents: 2891 diff changeset	2067
578 d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2068 case EXPR_LT:
3525 6cfa474c5b99 [project @ 2000-02-02 10:48:41 by jwe] jwe parents: 3523 diff changeset	2069 t = octave_value::op_lt;
578 d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2070 break;
777 a2f9d3fd720c [project @ 1994-10-07 14:01:53 by jwe] jwe parents: 773 diff changeset	2071
578 d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2072 case EXPR_LE:
3525 6cfa474c5b99 [project @ 2000-02-02 10:48:41 by jwe] jwe parents: 3523 diff changeset	2073 t = octave_value::op_le;
578 d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2074 break;
777 a2f9d3fd720c [project @ 1994-10-07 14:01:53 by jwe] jwe parents: 773 diff changeset	2075
578 d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2076 case EXPR_EQ:
3525 6cfa474c5b99 [project @ 2000-02-02 10:48:41 by jwe] jwe parents: 3523 diff changeset	2077 t = octave_value::op_eq;
578 d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2078 break;
777 a2f9d3fd720c [project @ 1994-10-07 14:01:53 by jwe] jwe parents: 773 diff changeset	2079
578 d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2080 case EXPR_GE:
3525 6cfa474c5b99 [project @ 2000-02-02 10:48:41 by jwe] jwe parents: 3523 diff changeset	2081 t = octave_value::op_ge;
578 d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2082 break;
777 a2f9d3fd720c [project @ 1994-10-07 14:01:53 by jwe] jwe parents: 773 diff changeset	2083
578 d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2084 case EXPR_GT:
3525 6cfa474c5b99 [project @ 2000-02-02 10:48:41 by jwe] jwe parents: 3523 diff changeset	2085 t = octave_value::op_gt;
578 d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2086 break;
777 a2f9d3fd720c [project @ 1994-10-07 14:01:53 by jwe] jwe parents: 773 diff changeset	2087
578 d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2088 case EXPR_NE:
3525 6cfa474c5b99 [project @ 2000-02-02 10:48:41 by jwe] jwe parents: 3523 diff changeset	2089 t = octave_value::op_ne;
578 d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2090 break;
777 a2f9d3fd720c [project @ 1994-10-07 14:01:53 by jwe] jwe parents: 773 diff changeset	2091
578 d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2092 case EXPR_AND:
3525 6cfa474c5b99 [project @ 2000-02-02 10:48:41 by jwe] jwe parents: 3523 diff changeset	2093 t = octave_value::op_el_and;
578 d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2094 break;
777 a2f9d3fd720c [project @ 1994-10-07 14:01:53 by jwe] jwe parents: 773 diff changeset	2095
578 d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2096 case EXPR_OR:
3525 6cfa474c5b99 [project @ 2000-02-02 10:48:41 by jwe] jwe parents: 3523 diff changeset	2097 t = octave_value::op_el_or;
578 d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2098 break;
777 a2f9d3fd720c [project @ 1994-10-07 14:01:53 by jwe] jwe parents: 773 diff changeset	2099
578 d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2100 default:
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2101 panic_impossible ();
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2102 break;
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2103 }
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2104
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2105 int l = tok_val->line ();
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2106 int c = tok_val->column ();
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2107
2533 987e934bbb8c [project @ 1996-11-19 18:21:23 by jwe] jwe parents: 2525 diff changeset	2108 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	2109 = 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	2110
2533 987e934bbb8c [project @ 1996-11-19 18:21:23 by jwe] jwe parents: 2525 diff changeset	2111 return fold (e);
578 d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2112 }
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2113
2375 7ef24992e290 [project @ 1996-10-12 00:39:52 by jwe] jwe parents: 2200 diff changeset	2114 // Build a boolean expression.
666 fb4f6556b443 [project @ 1994-09-06 21:22:46 by jwe] jwe parents: 627 diff changeset	2115
16134 ec9c6222ef5a move static parser helper functions to octave_parser class John W. Eaton <jwe@octave.org> parents: 16133 diff changeset	2116 tree_expression *
16287 04a7953496a7 create base class for parser; use reference for curr_lexer John W. Eaton <jwe@octave.org> parents: 16285 diff changeset	2117 octave_base_parser::make_boolean_op (int op, tree_expression *op1,
04a7953496a7 create base class for parser; use reference for curr_lexer John W. Eaton <jwe@octave.org> parents: 16285 diff changeset	2118 token tok_val, tree_expression op2)
578 d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2119 {
2375 7ef24992e290 [project @ 1996-10-12 00:39:52 by jwe] jwe parents: 2200 diff changeset	2120 tree_boolean_expression::type t;
7ef24992e290 [project @ 1996-10-12 00:39:52 by jwe] jwe parents: 2200 diff changeset	2121
578 d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2122 switch (op)
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2123 {
2375 7ef24992e290 [project @ 1996-10-12 00:39:52 by jwe] jwe parents: 2200 diff changeset	2124 case EXPR_AND_AND:
2805 68e6d0c93fc8 [project @ 1997-03-11 04:52:44 by jwe] jwe parents: 2791 diff changeset	2125 t = tree_boolean_expression::bool_and;
578 d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2126 break;
777 a2f9d3fd720c [project @ 1994-10-07 14:01:53 by jwe] jwe parents: 773 diff changeset	2127
2375 7ef24992e290 [project @ 1996-10-12 00:39:52 by jwe] jwe parents: 2200 diff changeset	2128 case EXPR_OR_OR:
2805 68e6d0c93fc8 [project @ 1997-03-11 04:52:44 by jwe] jwe parents: 2791 diff changeset	2129 t = tree_boolean_expression::bool_or;
578 d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2130 break;
777 a2f9d3fd720c [project @ 1994-10-07 14:01:53 by jwe] jwe parents: 773 diff changeset	2131
578 d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2132 default:
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2133 panic_impossible ();
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2134 break;
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2135 }
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2136
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2137 int l = tok_val->line ();
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2138 int c = tok_val->column ();
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2139
2533 987e934bbb8c [project @ 1996-11-19 18:21:23 by jwe] jwe parents: 2525 diff changeset	2140 tree_boolean_expression *e
987e934bbb8c [project @ 1996-11-19 18:21:23 by jwe] jwe parents: 2525 diff changeset	2141 = 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	2142
2533 987e934bbb8c [project @ 1996-11-19 18:21:23 by jwe] jwe parents: 2525 diff changeset	2143 return fold (e);
578 d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2144 }
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2145
2375 7ef24992e290 [project @ 1996-10-12 00:39:52 by jwe] jwe parents: 2200 diff changeset	2146 // Build a prefix expression.
666 fb4f6556b443 [project @ 1994-09-06 21:22:46 by jwe] jwe parents: 627 diff changeset	2147
16134 ec9c6222ef5a move static parser helper functions to octave_parser class John W. Eaton <jwe@octave.org> parents: 16133 diff changeset	2148 tree_expression *
16287 04a7953496a7 create base class for parser; use reference for curr_lexer John W. Eaton <jwe@octave.org> parents: 16285 diff changeset	2149 octave_base_parser::make_prefix_op (int op, tree_expression *op1,
04a7953496a7 create base class for parser; use reference for curr_lexer John W. Eaton <jwe@octave.org> parents: 16285 diff changeset	2150 token *tok_val)
578 d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2151 {
3203 bc61b0e8d60e [project @ 1998-10-30 20:26:27 by jwe] jwe parents: 3195 diff changeset	2152 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	2153
578 d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2154 switch (op)
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2155 {
2960 194b50e4725b [project @ 1997-05-12 00:43:54 by jwe] jwe parents: 2899 diff changeset	2156 case EXPR_NOT:
3525 6cfa474c5b99 [project @ 2000-02-02 10:48:41 by jwe] jwe parents: 3523 diff changeset	2157 t = octave_value::op_not;
2960 194b50e4725b [project @ 1997-05-12 00:43:54 by jwe] jwe parents: 2899 diff changeset	2158 break;
194b50e4725b [project @ 1997-05-12 00:43:54 by jwe] jwe parents: 2899 diff changeset	2159
4965 c0d8e8afa82f [project @ 2004-09-06 20:19:57 by jwe] jwe parents: 4935 diff changeset	2160 case '+':
c0d8e8afa82f [project @ 2004-09-06 20:19:57 by jwe] jwe parents: 4935 diff changeset	2161 t = octave_value::op_uplus;
c0d8e8afa82f [project @ 2004-09-06 20:19:57 by jwe] jwe parents: 4935 diff changeset	2162 break;
c0d8e8afa82f [project @ 2004-09-06 20:19:57 by jwe] jwe parents: 4935 diff changeset	2163
2960 194b50e4725b [project @ 1997-05-12 00:43:54 by jwe] jwe parents: 2899 diff changeset	2164 case '-':
3525 6cfa474c5b99 [project @ 2000-02-02 10:48:41 by jwe] jwe parents: 3523 diff changeset	2165 t = octave_value::op_uminus;
2960 194b50e4725b [project @ 1997-05-12 00:43:54 by jwe] jwe parents: 2899 diff changeset	2166 break;
194b50e4725b [project @ 1997-05-12 00:43:54 by jwe] jwe parents: 2899 diff changeset	2167
578 d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2168 case PLUS_PLUS:
3525 6cfa474c5b99 [project @ 2000-02-02 10:48:41 by jwe] jwe parents: 3523 diff changeset	2169 t = octave_value::op_incr;
578 d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2170 break;
777 a2f9d3fd720c [project @ 1994-10-07 14:01:53 by jwe] jwe parents: 773 diff changeset	2171
578 d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2172 case MINUS_MINUS:
3525 6cfa474c5b99 [project @ 2000-02-02 10:48:41 by jwe] jwe parents: 3523 diff changeset	2173 t = octave_value::op_decr;
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 default:
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2177 panic_impossible ();
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2178 break;
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2179 }
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2180
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2181 int l = tok_val->line ();
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2182 int c = tok_val->column ();
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2183
3292 ad0d250ebd7e [project @ 1999-10-14 22:52:28 by jwe] jwe parents: 3258 diff changeset	2184 tree_prefix_expression *e
ad0d250ebd7e [project @ 1999-10-14 22:52:28 by jwe] jwe parents: 3258 diff changeset	2185 = new tree_prefix_expression (op1, l, c, t);
ad0d250ebd7e [project @ 1999-10-14 22:52:28 by jwe] jwe parents: 3258 diff changeset	2186
ad0d250ebd7e [project @ 1999-10-14 22:52:28 by jwe] jwe parents: 3258 diff changeset	2187 return fold (e);
578 d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2188 }
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2189
2375 7ef24992e290 [project @ 1996-10-12 00:39:52 by jwe] jwe parents: 2200 diff changeset	2190 // Build a postfix expression.
666 fb4f6556b443 [project @ 1994-09-06 21:22:46 by jwe] jwe parents: 627 diff changeset	2191
16134 ec9c6222ef5a move static parser helper functions to octave_parser class John W. Eaton <jwe@octave.org> parents: 16133 diff changeset	2192 tree_expression *
16287 04a7953496a7 create base class for parser; use reference for curr_lexer John W. Eaton <jwe@octave.org> parents: 16285 diff changeset	2193 octave_base_parser::make_postfix_op (int op, tree_expression *op1,
04a7953496a7 create base class for parser; use reference for curr_lexer John W. Eaton <jwe@octave.org> parents: 16285 diff changeset	2194 token *tok_val)
578 d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2195 {
3203 bc61b0e8d60e [project @ 1998-10-30 20:26:27 by jwe] jwe parents: 3195 diff changeset	2196 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	2197
578 d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2198 switch (op)
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2199 {
16284 09881dab3aaf * lex.ll, oct-parse.in.yy (HERMITIAN): Rename token from QUOTE. John W. Eaton <jwe@octave.org> parents: 16279 diff changeset	2200 case HERMITIAN:
3525 6cfa474c5b99 [project @ 2000-02-02 10:48:41 by jwe] jwe parents: 3523 diff changeset	2201 t = octave_value::op_hermitian;
2960 194b50e4725b [project @ 1997-05-12 00:43:54 by jwe] jwe parents: 2899 diff changeset	2202 break;
194b50e4725b [project @ 1997-05-12 00:43:54 by jwe] jwe parents: 2899 diff changeset	2203
194b50e4725b [project @ 1997-05-12 00:43:54 by jwe] jwe parents: 2899 diff changeset	2204 case TRANSPOSE:
3525 6cfa474c5b99 [project @ 2000-02-02 10:48:41 by jwe] jwe parents: 3523 diff changeset	2205 t = octave_value::op_transpose;
2960 194b50e4725b [project @ 1997-05-12 00:43:54 by jwe] jwe parents: 2899 diff changeset	2206 break;
194b50e4725b [project @ 1997-05-12 00:43:54 by jwe] jwe parents: 2899 diff changeset	2207
2375 7ef24992e290 [project @ 1996-10-12 00:39:52 by jwe] jwe parents: 2200 diff changeset	2208 case PLUS_PLUS:
3525 6cfa474c5b99 [project @ 2000-02-02 10:48:41 by jwe] jwe parents: 3523 diff changeset	2209 t = octave_value::op_incr;
578 d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2210 break;
777 a2f9d3fd720c [project @ 1994-10-07 14:01:53 by jwe] jwe parents: 773 diff changeset	2211
2375 7ef24992e290 [project @ 1996-10-12 00:39:52 by jwe] jwe parents: 2200 diff changeset	2212 case MINUS_MINUS:
3525 6cfa474c5b99 [project @ 2000-02-02 10:48:41 by jwe] jwe parents: 3523 diff changeset	2213 t = octave_value::op_decr;
578 d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2214 break;
777 a2f9d3fd720c [project @ 1994-10-07 14:01:53 by jwe] jwe parents: 773 diff changeset	2215
578 d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2216 default:
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2217 panic_impossible ();
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2218 break;
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2219 }
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2220
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2221 int l = tok_val->line ();
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2222 int c = tok_val->column ();
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 572 diff changeset	2223
3292 ad0d250ebd7e [project @ 1999-10-14 22:52:28 by jwe] jwe parents: 3258 diff changeset	2224 tree_postfix_expression *e
ad0d250ebd7e [project @ 1999-10-14 22:52:28 by jwe] jwe parents: 3258 diff changeset	2225 = new tree_postfix_expression (op1, l, c, t);
ad0d250ebd7e [project @ 1999-10-14 22:52:28 by jwe] jwe parents: 3258 diff changeset	2226
ad0d250ebd7e [project @ 1999-10-14 22:52:28 by jwe] jwe parents: 3258 diff changeset	2227 return fold (e);
1623 fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2228 }
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2229
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2230 // Build an unwind-protect command.
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2231
16134 ec9c6222ef5a move static parser helper functions to octave_parser class John W. Eaton <jwe@octave.org> parents: 16133 diff changeset	2232 tree_command *
16287 04a7953496a7 create base class for parser; use reference for curr_lexer John W. Eaton <jwe@octave.org> parents: 16285 diff changeset	2233 octave_base_parser::make_unwind_command (token *unwind_tok,
04a7953496a7 create base class for parser; use reference for curr_lexer John W. Eaton <jwe@octave.org> parents: 16285 diff changeset	2234 tree_statement_list *body,
04a7953496a7 create base class for parser; use reference for curr_lexer John W. Eaton <jwe@octave.org> parents: 16285 diff changeset	2235 tree_statement_list *cleanup_stmts,
04a7953496a7 create base class for parser; use reference for curr_lexer John W. Eaton <jwe@octave.org> parents: 16285 diff changeset	2236 token *end_tok,
04a7953496a7 create base class for parser; use reference for curr_lexer John W. Eaton <jwe@octave.org> parents: 16285 diff changeset	2237 octave_comment_list *lc,
04a7953496a7 create base class for parser; use reference for curr_lexer John W. Eaton <jwe@octave.org> parents: 16285 diff changeset	2238 octave_comment_list *mc)
1623 fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2239 {
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2240 tree_command *retval = 0;
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2241
2857 5448c8cba402 [project @ 1997-03-31 07:06:10 by jwe] jwe parents: 2856 diff changeset	2242 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	2243 {
3665 0689afb1d001 [project @ 2000-05-11 19:07:56 by jwe] jwe parents: 3544 diff changeset	2244 octave_comment_list *tc = octave_comment_buffer::get_comment ();
0689afb1d001 [project @ 2000-05-11 19:07:56 by jwe] jwe parents: 3544 diff changeset	2245
1623 fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2246 int l = unwind_tok->line ();
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2247 int c = unwind_tok->column ();
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2248
16136 ed36d5543b27 don't declare octave_parser member functions static John W. Eaton <jwe@octave.org> parents: 16134 diff changeset	2249 retval = new tree_unwind_protect_command (body, cleanup_stmts,
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2250 lc, mc, tc, l, c);
1623 fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2251 }
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2252
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2253 return retval;
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2254 }
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2255
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2256 // Build a try-catch command.
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2257
16134 ec9c6222ef5a move static parser helper functions to octave_parser class John W. Eaton <jwe@octave.org> parents: 16133 diff changeset	2258 tree_command *
16287 04a7953496a7 create base class for parser; use reference for curr_lexer John W. Eaton <jwe@octave.org> parents: 16285 diff changeset	2259 octave_base_parser::make_try_command (token *try_tok,
04a7953496a7 create base class for parser; use reference for curr_lexer John W. Eaton <jwe@octave.org> parents: 16285 diff changeset	2260 tree_statement_list *body,
17283 e6c0ac8ce5b6 eliminate parse conflicts introduced by changeset 923ce8b42db2 John W. Eaton <jwe@octave.org> parents: 17281 diff changeset	2261 char catch_sep,
16287 04a7953496a7 create base class for parser; use reference for curr_lexer John W. Eaton <jwe@octave.org> parents: 16285 diff changeset	2262 tree_statement_list *cleanup_stmts,
04a7953496a7 create base class for parser; use reference for curr_lexer John W. Eaton <jwe@octave.org> parents: 16285 diff changeset	2263 token *end_tok,
04a7953496a7 create base class for parser; use reference for curr_lexer John W. Eaton <jwe@octave.org> parents: 16285 diff changeset	2264 octave_comment_list *lc,
04a7953496a7 create base class for parser; use reference for curr_lexer John W. Eaton <jwe@octave.org> parents: 16285 diff changeset	2265 octave_comment_list *mc)
1623 fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2266 {
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2267 tree_command *retval = 0;
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2268
2857 5448c8cba402 [project @ 1997-03-31 07:06:10 by jwe] jwe parents: 2856 diff changeset	2269 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	2270 {
3665 0689afb1d001 [project @ 2000-05-11 19:07:56 by jwe] jwe parents: 3544 diff changeset	2271 octave_comment_list *tc = octave_comment_buffer::get_comment ();
0689afb1d001 [project @ 2000-05-11 19:07:56 by jwe] jwe parents: 3544 diff changeset	2272
1623 fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2273 int l = try_tok->line ();
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2274 int c = try_tok->column ();
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2275
17283 e6c0ac8ce5b6 eliminate parse conflicts introduced by changeset 923ce8b42db2 John W. Eaton <jwe@octave.org> parents: 17281 diff changeset	2276 tree_identifier *id = 0;
e6c0ac8ce5b6 eliminate parse conflicts introduced by changeset 923ce8b42db2 John W. Eaton <jwe@octave.org> parents: 17281 diff changeset	2277
e6c0ac8ce5b6 eliminate parse conflicts introduced by changeset 923ce8b42db2 John W. Eaton <jwe@octave.org> parents: 17281 diff changeset	2278 if (! catch_sep && cleanup_stmts && ! cleanup_stmts->empty ())
e6c0ac8ce5b6 eliminate parse conflicts introduced by changeset 923ce8b42db2 John W. Eaton <jwe@octave.org> parents: 17281 diff changeset	2279 {
e6c0ac8ce5b6 eliminate parse conflicts introduced by changeset 923ce8b42db2 John W. Eaton <jwe@octave.org> parents: 17281 diff changeset	2280 tree_statement *stmt = cleanup_stmts->front ();
e6c0ac8ce5b6 eliminate parse conflicts introduced by changeset 923ce8b42db2 John W. Eaton <jwe@octave.org> parents: 17281 diff changeset	2281
e6c0ac8ce5b6 eliminate parse conflicts introduced by changeset 923ce8b42db2 John W. Eaton <jwe@octave.org> parents: 17281 diff changeset	2282 if (stmt)
e6c0ac8ce5b6 eliminate parse conflicts introduced by changeset 923ce8b42db2 John W. Eaton <jwe@octave.org> parents: 17281 diff changeset	2283 {
e6c0ac8ce5b6 eliminate parse conflicts introduced by changeset 923ce8b42db2 John W. Eaton <jwe@octave.org> parents: 17281 diff changeset	2284 tree_expression *expr = stmt->expression ();
e6c0ac8ce5b6 eliminate parse conflicts introduced by changeset 923ce8b42db2 John W. Eaton <jwe@octave.org> parents: 17281 diff changeset	2285
e6c0ac8ce5b6 eliminate parse conflicts introduced by changeset 923ce8b42db2 John W. Eaton <jwe@octave.org> parents: 17281 diff changeset	2286 if (expr && expr->is_identifier ())
e6c0ac8ce5b6 eliminate parse conflicts introduced by changeset 923ce8b42db2 John W. Eaton <jwe@octave.org> parents: 17281 diff changeset	2287 {
e6c0ac8ce5b6 eliminate parse conflicts introduced by changeset 923ce8b42db2 John W. Eaton <jwe@octave.org> parents: 17281 diff changeset	2288 id = dynamic_cast<tree_identifier *> (expr);
e6c0ac8ce5b6 eliminate parse conflicts introduced by changeset 923ce8b42db2 John W. Eaton <jwe@octave.org> parents: 17281 diff changeset	2289
e6c0ac8ce5b6 eliminate parse conflicts introduced by changeset 923ce8b42db2 John W. Eaton <jwe@octave.org> parents: 17281 diff changeset	2290 cleanup_stmts->pop_front ();
e6c0ac8ce5b6 eliminate parse conflicts introduced by changeset 923ce8b42db2 John W. Eaton <jwe@octave.org> parents: 17281 diff changeset	2291 }
e6c0ac8ce5b6 eliminate parse conflicts introduced by changeset 923ce8b42db2 John W. Eaton <jwe@octave.org> parents: 17281 diff changeset	2292 }
e6c0ac8ce5b6 eliminate parse conflicts introduced by changeset 923ce8b42db2 John W. Eaton <jwe@octave.org> parents: 17281 diff changeset	2293 }
e6c0ac8ce5b6 eliminate parse conflicts introduced by changeset 923ce8b42db2 John W. Eaton <jwe@octave.org> parents: 17281 diff changeset	2294
17249 923ce8b42db2 improve try-catch-statement to save exception to a variable (bug #33217) Stefan Mahr <dac922@gmx.de> parents: 17170 diff changeset	2295 retval = new tree_try_catch_command (body, cleanup_stmts, id,
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2296 lc, mc, tc, l, c);
1623 fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2297 }
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2298
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2299 return retval;
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2300 }
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2301
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2302 // Build a while command.
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2303
16134 ec9c6222ef5a move static parser helper functions to octave_parser class John W. Eaton <jwe@octave.org> parents: 16133 diff changeset	2304 tree_command *
16287 04a7953496a7 create base class for parser; use reference for curr_lexer John W. Eaton <jwe@octave.org> parents: 16285 diff changeset	2305 octave_base_parser::make_while_command (token *while_tok,
04a7953496a7 create base class for parser; use reference for curr_lexer John W. Eaton <jwe@octave.org> parents: 16285 diff changeset	2306 tree_expression *expr,
04a7953496a7 create base class for parser; use reference for curr_lexer John W. Eaton <jwe@octave.org> parents: 16285 diff changeset	2307 tree_statement_list *body,
04a7953496a7 create base class for parser; use reference for curr_lexer John W. Eaton <jwe@octave.org> parents: 16285 diff changeset	2308 token *end_tok,
04a7953496a7 create base class for parser; use reference for curr_lexer John W. Eaton <jwe@octave.org> parents: 16285 diff changeset	2309 octave_comment_list *lc)
1623 fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2310 {
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2311 tree_command *retval = 0;
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2312
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2313 maybe_warn_assign_as_truth_value (expr);
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2314
2857 5448c8cba402 [project @ 1997-03-31 07:06:10 by jwe] jwe parents: 2856 diff changeset	2315 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	2316 {
3665 0689afb1d001 [project @ 2000-05-11 19:07:56 by jwe] jwe parents: 3544 diff changeset	2317 octave_comment_list *tc = octave_comment_buffer::get_comment ();
0689afb1d001 [project @ 2000-05-11 19:07:56 by jwe] jwe parents: 3544 diff changeset	2318
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	2319 lexer.looping--;
1623 fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2320
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2321 int l = while_tok->line ();
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2322 int c = while_tok->column ();
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2323
3665 0689afb1d001 [project @ 2000-05-11 19:07:56 by jwe] jwe parents: 3544 diff changeset	2324 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	2325 }
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2326
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2327 return retval;
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2328 }
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2329
3484 8b1f46ac2b64 [project @ 2000-01-27 23:30:45 by jwe] jwe parents: 3446 diff changeset	2330 // Build a do-until command.
8b1f46ac2b64 [project @ 2000-01-27 23:30:45 by jwe] jwe parents: 3446 diff changeset	2331
16134 ec9c6222ef5a move static parser helper functions to octave_parser class John W. Eaton <jwe@octave.org> parents: 16133 diff changeset	2332 tree_command *
16287 04a7953496a7 create base class for parser; use reference for curr_lexer John W. Eaton <jwe@octave.org> parents: 16285 diff changeset	2333 octave_base_parser::make_do_until_command (token *until_tok,
04a7953496a7 create base class for parser; use reference for curr_lexer John W. Eaton <jwe@octave.org> parents: 16285 diff changeset	2334 tree_statement_list *body,
04a7953496a7 create base class for parser; use reference for curr_lexer John W. Eaton <jwe@octave.org> parents: 16285 diff changeset	2335 tree_expression *expr,
04a7953496a7 create base class for parser; use reference for curr_lexer John W. Eaton <jwe@octave.org> parents: 16285 diff changeset	2336 octave_comment_list *lc)
3484 8b1f46ac2b64 [project @ 2000-01-27 23:30:45 by jwe] jwe parents: 3446 diff changeset	2337 {
8b1f46ac2b64 [project @ 2000-01-27 23:30:45 by jwe] jwe parents: 3446 diff changeset	2338 tree_command *retval = 0;
8b1f46ac2b64 [project @ 2000-01-27 23:30:45 by jwe] jwe parents: 3446 diff changeset	2339
8b1f46ac2b64 [project @ 2000-01-27 23:30:45 by jwe] jwe parents: 3446 diff changeset	2340 maybe_warn_assign_as_truth_value (expr);
8b1f46ac2b64 [project @ 2000-01-27 23:30:45 by jwe] jwe parents: 3446 diff changeset	2341
3665 0689afb1d001 [project @ 2000-05-11 19:07:56 by jwe] jwe parents: 3544 diff changeset	2342 octave_comment_list *tc = octave_comment_buffer::get_comment ();
0689afb1d001 [project @ 2000-05-11 19:07:56 by jwe] jwe parents: 3544 diff changeset	2343
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	2344 lexer.looping--;
3484 8b1f46ac2b64 [project @ 2000-01-27 23:30:45 by jwe] jwe parents: 3446 diff changeset	2345
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: 8471 diff changeset	2346 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	2347 int c = until_tok->column ();
3484 8b1f46ac2b64 [project @ 2000-01-27 23:30:45 by jwe] jwe parents: 3446 diff changeset	2348
3665 0689afb1d001 [project @ 2000-05-11 19:07:56 by jwe] jwe parents: 3544 diff changeset	2349 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	2350
8b1f46ac2b64 [project @ 2000-01-27 23:30:45 by jwe] jwe parents: 3446 diff changeset	2351 return retval;
8b1f46ac2b64 [project @ 2000-01-27 23:30:45 by jwe] jwe parents: 3446 diff changeset	2352 }
8b1f46ac2b64 [project @ 2000-01-27 23:30:45 by jwe] jwe parents: 3446 diff changeset	2353
1623 fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2354 // Build a for command.
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2355
16134 ec9c6222ef5a move static parser helper functions to octave_parser class John W. Eaton <jwe@octave.org> parents: 16133 diff changeset	2356 tree_command *
16287 04a7953496a7 create base class for parser; use reference for curr_lexer John W. Eaton <jwe@octave.org> parents: 16285 diff changeset	2357 octave_base_parser::make_for_command (int tok_id, token *for_tok,
04a7953496a7 create base class for parser; use reference for curr_lexer John W. Eaton <jwe@octave.org> parents: 16285 diff changeset	2358 tree_argument_list *lhs,
04a7953496a7 create base class for parser; use reference for curr_lexer John W. Eaton <jwe@octave.org> parents: 16285 diff changeset	2359 tree_expression *expr,
04a7953496a7 create base class for parser; use reference for curr_lexer John W. Eaton <jwe@octave.org> parents: 16285 diff changeset	2360 tree_expression *maxproc,
04a7953496a7 create base class for parser; use reference for curr_lexer John W. Eaton <jwe@octave.org> parents: 16285 diff changeset	2361 tree_statement_list *body,
04a7953496a7 create base class for parser; use reference for curr_lexer John W. Eaton <jwe@octave.org> parents: 16285 diff changeset	2362 token *end_tok,
04a7953496a7 create base class for parser; use reference for curr_lexer John W. Eaton <jwe@octave.org> parents: 16285 diff changeset	2363 octave_comment_list *lc)
1623 fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2364 {
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2365 tree_command *retval = 0;
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2366
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	2367 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	2368
027a2186cd90 parfor keyword and infrastructure, but handle parfor as normal for loop for now John W. Eaton <jwe@octave.org> parents: 13241 diff changeset	2369 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	2370 {
3665 0689afb1d001 [project @ 2000-05-11 19:07:56 by jwe] jwe parents: 3544 diff changeset	2371 octave_comment_list *tc = octave_comment_buffer::get_comment ();
0689afb1d001 [project @ 2000-05-11 19:07:56 by jwe] jwe parents: 3544 diff changeset	2372
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	2373 lexer.looping--;
1623 fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2374
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2375 int l = for_tok->line ();
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2376 int c = for_tok->column ();
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2377
2970 b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	2378 if (lhs->length () == 1)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2379 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2380 tree_expression *tmp = lhs->remove_front ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2381
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	2382 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	2383 body, lc, tc, l, c);
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2384
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2385 delete lhs;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2386 }
2970 b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	2387 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	2388 {
027a2186cd90 parfor keyword and infrastructure, but handle parfor as normal for loop for now John W. Eaton <jwe@octave.org> parents: 13241 diff changeset	2389 if (parfor)
16142 26d65d677557 rename yyerror to bison_error and make it a member of octave_parser class John W. Eaton <jwe@octave.org> parents: 16139 diff changeset	2390 bison_error ("invalid syntax for parfor statement");
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	2391 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	2392 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	2393 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	2394 }
1623 fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2395 }
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2396
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2397 return retval;
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2398 }
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2399
4207 fa3482b34599 [project @ 2002-12-03 18:22:05 by jwe] jwe parents: 4186 diff changeset	2400 // Build a break command.
fa3482b34599 [project @ 2002-12-03 18:22:05 by jwe] jwe parents: 4186 diff changeset	2401
16134 ec9c6222ef5a move static parser helper functions to octave_parser class John W. Eaton <jwe@octave.org> parents: 16133 diff changeset	2402 tree_command *
16287 04a7953496a7 create base class for parser; use reference for curr_lexer John W. Eaton <jwe@octave.org> parents: 16285 diff changeset	2403 octave_base_parser::make_break_command (token *break_tok)
1623 fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2404 {
4207 fa3482b34599 [project @ 2002-12-03 18:22:05 by jwe] jwe parents: 4186 diff changeset	2405 tree_command *retval = 0;
1623 fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2406
2620 5c773d4745d6 [project @ 1997-01-23 16:26:25 by jwe] jwe parents: 2542 diff changeset	2407 int l = break_tok->line ();
5c773d4745d6 [project @ 1997-01-23 16:26:25 by jwe] jwe parents: 2542 diff changeset	2408 int c = break_tok->column ();
5c773d4745d6 [project @ 1997-01-23 16:26:25 by jwe] jwe parents: 2542 diff changeset	2409
10188 97ae300aa73a improve implementation of break, continue, and return commands John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2410 retval = new tree_break_command (l, c);
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 return retval;
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2413 }
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2414
4207 fa3482b34599 [project @ 2002-12-03 18:22:05 by jwe] jwe parents: 4186 diff changeset	2415 // Build a continue command.
fa3482b34599 [project @ 2002-12-03 18:22:05 by jwe] jwe parents: 4186 diff changeset	2416
16134 ec9c6222ef5a move static parser helper functions to octave_parser class John W. Eaton <jwe@octave.org> parents: 16133 diff changeset	2417 tree_command *
16287 04a7953496a7 create base class for parser; use reference for curr_lexer John W. Eaton <jwe@octave.org> parents: 16285 diff changeset	2418 octave_base_parser::make_continue_command (token *continue_tok)
1623 fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2419 {
4207 fa3482b34599 [project @ 2002-12-03 18:22:05 by jwe] jwe parents: 4186 diff changeset	2420 tree_command *retval = 0;
1623 fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2421
2620 5c773d4745d6 [project @ 1997-01-23 16:26:25 by jwe] jwe parents: 2542 diff changeset	2422 int l = continue_tok->line ();
5c773d4745d6 [project @ 1997-01-23 16:26:25 by jwe] jwe parents: 2542 diff changeset	2423 int c = continue_tok->column ();
5c773d4745d6 [project @ 1997-01-23 16:26:25 by jwe] jwe parents: 2542 diff changeset	2424
10188 97ae300aa73a improve implementation of break, continue, and return commands John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2425 retval = new tree_continue_command (l, c);
1623 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 return retval;
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2428 }
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2429
4207 fa3482b34599 [project @ 2002-12-03 18:22:05 by jwe] jwe parents: 4186 diff changeset	2430 // Build a return command.
fa3482b34599 [project @ 2002-12-03 18:22:05 by jwe] jwe parents: 4186 diff changeset	2431
16134 ec9c6222ef5a move static parser helper functions to octave_parser class John W. Eaton <jwe@octave.org> parents: 16133 diff changeset	2432 tree_command *
16287 04a7953496a7 create base class for parser; use reference for curr_lexer John W. Eaton <jwe@octave.org> parents: 16285 diff changeset	2433 octave_base_parser::make_return_command (token *return_tok)
1623 fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2434 {
4207 fa3482b34599 [project @ 2002-12-03 18:22:05 by jwe] jwe parents: 4186 diff changeset	2435 tree_command *retval = 0;
1623 fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2436
2620 5c773d4745d6 [project @ 1997-01-23 16:26:25 by jwe] jwe parents: 2542 diff changeset	2437 int l = return_tok->line ();
5c773d4745d6 [project @ 1997-01-23 16:26:25 by jwe] jwe parents: 2542 diff changeset	2438 int c = return_tok->column ();
5c773d4745d6 [project @ 1997-01-23 16:26:25 by jwe] jwe parents: 2542 diff changeset	2439
10188 97ae300aa73a improve implementation of break, continue, and return commands John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2440 retval = new tree_return_command (l, c);
1623 fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2441
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2442 return retval;
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2443 }
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2444
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2445 // Start an if command.
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2446
16134 ec9c6222ef5a move static parser helper functions to octave_parser class John W. Eaton <jwe@octave.org> parents: 16133 diff changeset	2447 tree_if_command_list *
16287 04a7953496a7 create base class for parser; use reference for curr_lexer John W. Eaton <jwe@octave.org> parents: 16285 diff changeset	2448 octave_base_parser::start_if_command (tree_expression *expr,
04a7953496a7 create base class for parser; use reference for curr_lexer John W. Eaton <jwe@octave.org> parents: 16285 diff changeset	2449 tree_statement_list *list)
1623 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 maybe_warn_assign_as_truth_value (expr);
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 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	2454
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2455 return new tree_if_command_list (t);
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2456 }
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 // Finish an if command.
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2459
16134 ec9c6222ef5a move static parser helper functions to octave_parser class John W. Eaton <jwe@octave.org> parents: 16133 diff changeset	2460 tree_if_command *
16287 04a7953496a7 create base class for parser; use reference for curr_lexer John W. Eaton <jwe@octave.org> parents: 16285 diff changeset	2461 octave_base_parser::finish_if_command (token *if_tok,
04a7953496a7 create base class for parser; use reference for curr_lexer John W. Eaton <jwe@octave.org> parents: 16285 diff changeset	2462 tree_if_command_list *list,
04a7953496a7 create base class for parser; use reference for curr_lexer John W. Eaton <jwe@octave.org> parents: 16285 diff changeset	2463 token *end_tok,
04a7953496a7 create base class for parser; use reference for curr_lexer John W. Eaton <jwe@octave.org> parents: 16285 diff changeset	2464 octave_comment_list *lc)
1623 fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2465 {
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2466 tree_if_command *retval = 0;
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2467
2857 5448c8cba402 [project @ 1997-03-31 07:06:10 by jwe] jwe parents: 2856 diff changeset	2468 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	2469 {
3665 0689afb1d001 [project @ 2000-05-11 19:07:56 by jwe] jwe parents: 3544 diff changeset	2470 octave_comment_list *tc = octave_comment_buffer::get_comment ();
0689afb1d001 [project @ 2000-05-11 19:07:56 by jwe] jwe parents: 3544 diff changeset	2471
1623 fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2472 int l = if_tok->line ();
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2473 int c = if_tok->column ();
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2474
8842 be7b30a24938 line/column info for switch and if statements John W. Eaton <jwe@octave.org> parents: 8828 diff changeset	2475 if (list && ! list->empty ())
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2476 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2477 tree_if_clause *elt = list->front ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2478
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2479 if (elt)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2480 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2481 elt->line (l);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2482 elt->column (c);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2483 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2484 }
8842 be7b30a24938 line/column info for switch and if statements John W. Eaton <jwe@octave.org> parents: 8828 diff changeset	2485
3665 0689afb1d001 [project @ 2000-05-11 19:07:56 by jwe] jwe parents: 3544 diff changeset	2486 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	2487 }
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2488
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2489 return retval;
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2490 }
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2491
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2492 // Build an elseif clause.
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2493
16134 ec9c6222ef5a move static parser helper functions to octave_parser class John W. Eaton <jwe@octave.org> parents: 16133 diff changeset	2494 tree_if_clause *
16287 04a7953496a7 create base class for parser; use reference for curr_lexer John W. Eaton <jwe@octave.org> parents: 16285 diff changeset	2495 octave_base_parser::make_elseif_clause (token *elseif_tok,
04a7953496a7 create base class for parser; use reference for curr_lexer John W. Eaton <jwe@octave.org> parents: 16285 diff changeset	2496 tree_expression *expr,
04a7953496a7 create base class for parser; use reference for curr_lexer John W. Eaton <jwe@octave.org> parents: 16285 diff changeset	2497 tree_statement_list *list,
04a7953496a7 create base class for parser; use reference for curr_lexer John W. Eaton <jwe@octave.org> parents: 16285 diff changeset	2498 octave_comment_list *lc)
1623 fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2499 {
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2500 maybe_warn_assign_as_truth_value (expr);
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2501
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: 8471 diff changeset	2502 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	2503 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	2504
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: 8471 diff changeset	2505 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	2506 }
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2507
2764 2c0f259cf83d [project @ 1997-03-01 02:30:26 by jwe] jwe parents: 2745 diff changeset	2508 // Finish a switch command.
2c0f259cf83d [project @ 1997-03-01 02:30:26 by jwe] jwe parents: 2745 diff changeset	2509
16134 ec9c6222ef5a move static parser helper functions to octave_parser class John W. Eaton <jwe@octave.org> parents: 16133 diff changeset	2510 tree_switch_command *
16287 04a7953496a7 create base class for parser; use reference for curr_lexer John W. Eaton <jwe@octave.org> parents: 16285 diff changeset	2511 octave_base_parser::finish_switch_command (token *switch_tok,
04a7953496a7 create base class for parser; use reference for curr_lexer John W. Eaton <jwe@octave.org> parents: 16285 diff changeset	2512 tree_expression *expr,
04a7953496a7 create base class for parser; use reference for curr_lexer John W. Eaton <jwe@octave.org> parents: 16285 diff changeset	2513 tree_switch_case_list *list,
04a7953496a7 create base class for parser; use reference for curr_lexer John W. Eaton <jwe@octave.org> parents: 16285 diff changeset	2514 token *end_tok,
04a7953496a7 create base class for parser; use reference for curr_lexer John W. Eaton <jwe@octave.org> parents: 16285 diff changeset	2515 octave_comment_list *lc)
2764 2c0f259cf83d [project @ 1997-03-01 02:30:26 by jwe] jwe parents: 2745 diff changeset	2516 {
2c0f259cf83d [project @ 1997-03-01 02:30:26 by jwe] jwe parents: 2745 diff changeset	2517 tree_switch_command *retval = 0;
2c0f259cf83d [project @ 1997-03-01 02:30:26 by jwe] jwe parents: 2745 diff changeset	2518
2857 5448c8cba402 [project @ 1997-03-31 07:06:10 by jwe] jwe parents: 2856 diff changeset	2519 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	2520 {
3665 0689afb1d001 [project @ 2000-05-11 19:07:56 by jwe] jwe parents: 3544 diff changeset	2521 octave_comment_list *tc = octave_comment_buffer::get_comment ();
0689afb1d001 [project @ 2000-05-11 19:07:56 by jwe] jwe parents: 3544 diff changeset	2522
2764 2c0f259cf83d [project @ 1997-03-01 02:30:26 by jwe] jwe parents: 2745 diff changeset	2523 int l = switch_tok->line ();
2c0f259cf83d [project @ 1997-03-01 02:30:26 by jwe] jwe parents: 2745 diff changeset	2524 int c = switch_tok->column ();
2c0f259cf83d [project @ 1997-03-01 02:30:26 by jwe] jwe parents: 2745 diff changeset	2525
8842 be7b30a24938 line/column info for switch and if statements John W. Eaton <jwe@octave.org> parents: 8828 diff changeset	2526 if (list && ! list->empty ())
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2527 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2528 tree_switch_case *elt = list->front ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2529
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2530 if (elt)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2531 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2532 elt->line (l);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2533 elt->column (c);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2534 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2535 }
8842 be7b30a24938 line/column info for switch and if statements John W. Eaton <jwe@octave.org> parents: 8828 diff changeset	2536
3665 0689afb1d001 [project @ 2000-05-11 19:07:56 by jwe] jwe parents: 3544 diff changeset	2537 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	2538 }
2c0f259cf83d [project @ 1997-03-01 02:30:26 by jwe] jwe parents: 2745 diff changeset	2539
2c0f259cf83d [project @ 1997-03-01 02:30:26 by jwe] jwe parents: 2745 diff changeset	2540 return retval;
2c0f259cf83d [project @ 1997-03-01 02:30:26 by jwe] jwe parents: 2745 diff changeset	2541 }
2c0f259cf83d [project @ 1997-03-01 02:30:26 by jwe] jwe parents: 2745 diff changeset	2542
2c0f259cf83d [project @ 1997-03-01 02:30:26 by jwe] jwe parents: 2745 diff changeset	2543 // Build a switch case.
2c0f259cf83d [project @ 1997-03-01 02:30:26 by jwe] jwe parents: 2745 diff changeset	2544
16134 ec9c6222ef5a move static parser helper functions to octave_parser class John W. Eaton <jwe@octave.org> parents: 16133 diff changeset	2545 tree_switch_case *
16287 04a7953496a7 create base class for parser; use reference for curr_lexer John W. Eaton <jwe@octave.org> parents: 16285 diff changeset	2546 octave_base_parser::make_switch_case (token *case_tok,
04a7953496a7 create base class for parser; use reference for curr_lexer John W. Eaton <jwe@octave.org> parents: 16285 diff changeset	2547 tree_expression *expr,
04a7953496a7 create base class for parser; use reference for curr_lexer John W. Eaton <jwe@octave.org> parents: 16285 diff changeset	2548 tree_statement_list *list,
04a7953496a7 create base class for parser; use reference for curr_lexer John W. Eaton <jwe@octave.org> parents: 16285 diff changeset	2549 octave_comment_list *lc)
2764 2c0f259cf83d [project @ 1997-03-01 02:30:26 by jwe] jwe parents: 2745 diff changeset	2550 {
2c0f259cf83d [project @ 1997-03-01 02:30:26 by jwe] jwe parents: 2745 diff changeset	2551 maybe_warn_variable_switch_label (expr);
2c0f259cf83d [project @ 1997-03-01 02:30:26 by jwe] jwe parents: 2745 diff changeset	2552
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: 8471 diff changeset	2553 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	2554 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	2555
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: 8471 diff changeset	2556 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	2557 }
2c0f259cf83d [project @ 1997-03-01 02:30:26 by jwe] jwe parents: 2745 diff changeset	2558
1623 fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2559 // Build an assignment to a variable.
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2560
16134 ec9c6222ef5a move static parser helper functions to octave_parser class John W. Eaton <jwe@octave.org> parents: 16133 diff changeset	2561 tree_expression *
16287 04a7953496a7 create base class for parser; use reference for curr_lexer John W. Eaton <jwe@octave.org> parents: 16285 diff changeset	2562 octave_base_parser::make_assign_op (int op, tree_argument_list *lhs,
04a7953496a7 create base class for parser; use reference for curr_lexer John W. Eaton <jwe@octave.org> parents: 16285 diff changeset	2563 token eq_tok, tree_expression rhs)
1623 fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2564 {
2970 b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	2565 tree_expression *retval = 0;
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	2566
2883 0b3954110c77 [project @ 1997-04-24 09:57:05 by jwe] jwe parents: 2865 diff changeset	2567 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	2568
0b3954110c77 [project @ 1997-04-24 09:57:05 by jwe] jwe parents: 2865 diff changeset	2569 switch (op)
0b3954110c77 [project @ 1997-04-24 09:57:05 by jwe] jwe parents: 2865 diff changeset	2570 {
0b3954110c77 [project @ 1997-04-24 09:57:05 by jwe] jwe parents: 2865 diff changeset	2571 case '=':
3525 6cfa474c5b99 [project @ 2000-02-02 10:48:41 by jwe] jwe parents: 3523 diff changeset	2572 t = octave_value::op_asn_eq;
2883 0b3954110c77 [project @ 1997-04-24 09:57:05 by jwe] jwe parents: 2865 diff changeset	2573 break;
0b3954110c77 [project @ 1997-04-24 09:57:05 by jwe] jwe parents: 2865 diff changeset	2574
0b3954110c77 [project @ 1997-04-24 09:57:05 by jwe] jwe parents: 2865 diff changeset	2575 case ADD_EQ:
3525 6cfa474c5b99 [project @ 2000-02-02 10:48:41 by jwe] jwe parents: 3523 diff changeset	2576 t = octave_value::op_add_eq;
2883 0b3954110c77 [project @ 1997-04-24 09:57:05 by jwe] jwe parents: 2865 diff changeset	2577 break;
0b3954110c77 [project @ 1997-04-24 09:57:05 by jwe] jwe parents: 2865 diff changeset	2578
0b3954110c77 [project @ 1997-04-24 09:57:05 by jwe] jwe parents: 2865 diff changeset	2579 case SUB_EQ:
3525 6cfa474c5b99 [project @ 2000-02-02 10:48:41 by jwe] jwe parents: 3523 diff changeset	2580 t = octave_value::op_sub_eq;
2883 0b3954110c77 [project @ 1997-04-24 09:57:05 by jwe] jwe parents: 2865 diff changeset	2581 break;
0b3954110c77 [project @ 1997-04-24 09:57:05 by jwe] jwe parents: 2865 diff changeset	2582
0b3954110c77 [project @ 1997-04-24 09:57:05 by jwe] jwe parents: 2865 diff changeset	2583 case MUL_EQ:
3525 6cfa474c5b99 [project @ 2000-02-02 10:48:41 by jwe] jwe parents: 3523 diff changeset	2584 t = octave_value::op_mul_eq;
2883 0b3954110c77 [project @ 1997-04-24 09:57:05 by jwe] jwe parents: 2865 diff changeset	2585 break;
0b3954110c77 [project @ 1997-04-24 09:57:05 by jwe] jwe parents: 2865 diff changeset	2586
0b3954110c77 [project @ 1997-04-24 09:57:05 by jwe] jwe parents: 2865 diff changeset	2587 case DIV_EQ:
3525 6cfa474c5b99 [project @ 2000-02-02 10:48:41 by jwe] jwe parents: 3523 diff changeset	2588 t = octave_value::op_div_eq;
2883 0b3954110c77 [project @ 1997-04-24 09:57:05 by jwe] jwe parents: 2865 diff changeset	2589 break;
0b3954110c77 [project @ 1997-04-24 09:57:05 by jwe] jwe parents: 2865 diff changeset	2590
3204 81738e630f57 [project @ 1998-10-30 23:28:29 by jwe] jwe parents: 3203 diff changeset	2591 case LEFTDIV_EQ:
3525 6cfa474c5b99 [project @ 2000-02-02 10:48:41 by jwe] jwe parents: 3523 diff changeset	2592 t = octave_value::op_ldiv_eq;
3204 81738e630f57 [project @ 1998-10-30 23:28:29 by jwe] jwe parents: 3203 diff changeset	2593 break;
81738e630f57 [project @ 1998-10-30 23:28:29 by jwe] jwe parents: 3203 diff changeset	2594
4018 a8621d87fbf5 [project @ 2002-08-05 03:17:25 by jwe] jwe parents: 4009 diff changeset	2595 case POW_EQ:
a8621d87fbf5 [project @ 2002-08-05 03:17:25 by jwe] jwe parents: 4009 diff changeset	2596 t = octave_value::op_pow_eq;
a8621d87fbf5 [project @ 2002-08-05 03:17:25 by jwe] jwe parents: 4009 diff changeset	2597 break;
a8621d87fbf5 [project @ 2002-08-05 03:17:25 by jwe] jwe parents: 4009 diff changeset	2598
2899 0d79a8c11a2b [project @ 1997-04-30 03:09:23 by jwe] jwe parents: 2891 diff changeset	2599 case LSHIFT_EQ:
3525 6cfa474c5b99 [project @ 2000-02-02 10:48:41 by jwe] jwe parents: 3523 diff changeset	2600 t = octave_value::op_lshift_eq;
2899 0d79a8c11a2b [project @ 1997-04-30 03:09:23 by jwe] jwe parents: 2891 diff changeset	2601 break;
0d79a8c11a2b [project @ 1997-04-30 03:09:23 by jwe] jwe parents: 2891 diff changeset	2602
0d79a8c11a2b [project @ 1997-04-30 03:09:23 by jwe] jwe parents: 2891 diff changeset	2603 case RSHIFT_EQ:
3525 6cfa474c5b99 [project @ 2000-02-02 10:48:41 by jwe] jwe parents: 3523 diff changeset	2604 t = octave_value::op_rshift_eq;
2899 0d79a8c11a2b [project @ 1997-04-30 03:09:23 by jwe] jwe parents: 2891 diff changeset	2605 break;
0d79a8c11a2b [project @ 1997-04-30 03:09:23 by jwe] jwe parents: 2891 diff changeset	2606
2883 0b3954110c77 [project @ 1997-04-24 09:57:05 by jwe] jwe parents: 2865 diff changeset	2607 case EMUL_EQ:
3525 6cfa474c5b99 [project @ 2000-02-02 10:48:41 by jwe] jwe parents: 3523 diff changeset	2608 t = octave_value::op_el_mul_eq;
2883 0b3954110c77 [project @ 1997-04-24 09:57:05 by jwe] jwe parents: 2865 diff changeset	2609 break;
0b3954110c77 [project @ 1997-04-24 09:57:05 by jwe] jwe parents: 2865 diff changeset	2610
0b3954110c77 [project @ 1997-04-24 09:57:05 by jwe] jwe parents: 2865 diff changeset	2611 case EDIV_EQ:
3525 6cfa474c5b99 [project @ 2000-02-02 10:48:41 by jwe] jwe parents: 3523 diff changeset	2612 t = octave_value::op_el_div_eq;
2883 0b3954110c77 [project @ 1997-04-24 09:57:05 by jwe] jwe parents: 2865 diff changeset	2613 break;
0b3954110c77 [project @ 1997-04-24 09:57:05 by jwe] jwe parents: 2865 diff changeset	2614
3204 81738e630f57 [project @ 1998-10-30 23:28:29 by jwe] jwe parents: 3203 diff changeset	2615 case ELEFTDIV_EQ:
3525 6cfa474c5b99 [project @ 2000-02-02 10:48:41 by jwe] jwe parents: 3523 diff changeset	2616 t = octave_value::op_el_ldiv_eq;
3204 81738e630f57 [project @ 1998-10-30 23:28:29 by jwe] jwe parents: 3203 diff changeset	2617 break;
81738e630f57 [project @ 1998-10-30 23:28:29 by jwe] jwe parents: 3203 diff changeset	2618
4018 a8621d87fbf5 [project @ 2002-08-05 03:17:25 by jwe] jwe parents: 4009 diff changeset	2619 case EPOW_EQ:
a8621d87fbf5 [project @ 2002-08-05 03:17:25 by jwe] jwe parents: 4009 diff changeset	2620 t = octave_value::op_el_pow_eq;
a8621d87fbf5 [project @ 2002-08-05 03:17:25 by jwe] jwe parents: 4009 diff changeset	2621 break;
a8621d87fbf5 [project @ 2002-08-05 03:17:25 by jwe] jwe parents: 4009 diff changeset	2622
2883 0b3954110c77 [project @ 1997-04-24 09:57:05 by jwe] jwe parents: 2865 diff changeset	2623 case AND_EQ:
3525 6cfa474c5b99 [project @ 2000-02-02 10:48:41 by jwe] jwe parents: 3523 diff changeset	2624 t = octave_value::op_el_and_eq;
2883 0b3954110c77 [project @ 1997-04-24 09:57:05 by jwe] jwe parents: 2865 diff changeset	2625 break;
0b3954110c77 [project @ 1997-04-24 09:57:05 by jwe] jwe parents: 2865 diff changeset	2626
0b3954110c77 [project @ 1997-04-24 09:57:05 by jwe] jwe parents: 2865 diff changeset	2627 case OR_EQ:
3525 6cfa474c5b99 [project @ 2000-02-02 10:48:41 by jwe] jwe parents: 3523 diff changeset	2628 t = octave_value::op_el_or_eq;
2883 0b3954110c77 [project @ 1997-04-24 09:57:05 by jwe] jwe parents: 2865 diff changeset	2629 break;
0b3954110c77 [project @ 1997-04-24 09:57:05 by jwe] jwe parents: 2865 diff changeset	2630
0b3954110c77 [project @ 1997-04-24 09:57:05 by jwe] jwe parents: 2865 diff changeset	2631 default:
0b3954110c77 [project @ 1997-04-24 09:57:05 by jwe] jwe parents: 2865 diff changeset	2632 panic_impossible ();
0b3954110c77 [project @ 1997-04-24 09:57:05 by jwe] jwe parents: 2865 diff changeset	2633 break;
0b3954110c77 [project @ 1997-04-24 09:57:05 by jwe] jwe parents: 2865 diff changeset	2634 }
0b3954110c77 [project @ 1997-04-24 09:57:05 by jwe] jwe parents: 2865 diff changeset	2635
1623 fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2636 int l = eq_tok->line ();
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2637 int c = eq_tok->column ();
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2638
5841 fb4dea2184bf [project @ 2006-06-05 20:59:25 by jwe] jwe parents: 5832 diff changeset	2639 if (lhs->is_simple_assign_lhs ())
666 fb4f6556b443 [project @ 1994-09-06 21:22:46 by jwe] jwe parents: 627 diff changeset	2640 {
2970 b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	2641 tree_expression *tmp = lhs->remove_front ();
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	2642
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	2643 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	2644
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	2645 delete lhs;
666 fb4f6556b443 [project @ 1994-09-06 21:22:46 by jwe] jwe parents: 627 diff changeset	2646 }
10230 0a5a769b8fc0 disallow computed multiple assignment Jaroslav Hajek <highegg@gmail.com> parents: 10207 diff changeset	2647 else if (t == octave_value::op_asn_eq)
0a5a769b8fc0 disallow computed multiple assignment Jaroslav Hajek <highegg@gmail.com> parents: 10207 diff changeset	2648 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	2649 else
16142 26d65d677557 rename yyerror to bison_error and make it a member of octave_parser class John W. Eaton <jwe@octave.org> parents: 16139 diff changeset	2650 bison_error ("computed multiple assignment not allowed");
666 fb4f6556b443 [project @ 1994-09-06 21:22:46 by jwe] jwe parents: 627 diff changeset	2651
fb4f6556b443 [project @ 1994-09-06 21:22:46 by jwe] jwe parents: 627 diff changeset	2652 return retval;
fb4f6556b443 [project @ 1994-09-06 21:22:46 by jwe] jwe parents: 627 diff changeset	2653 }
751 c9f3cb77478d [project @ 1994-09-30 18:46:17 by jwe] jwe parents: 723 diff changeset	2654
9474 25ed2d6aacf6 Parse nested functions more accurately. David Grundberg <individ@acc.umu.se> parents: 9471 diff changeset	2655 // Define a script.
7715 5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7699 diff changeset	2656
16134 ec9c6222ef5a move static parser helper functions to octave_parser class John W. Eaton <jwe@octave.org> parents: 16133 diff changeset	2657 void
16287 04a7953496a7 create base class for parser; use reference for curr_lexer John W. Eaton <jwe@octave.org> parents: 16285 diff changeset	2658 octave_base_parser::make_script (tree_statement_list *cmds,
04a7953496a7 create base class for parser; use reference for curr_lexer John W. Eaton <jwe@octave.org> parents: 16285 diff changeset	2659 tree_statement *end_script)
7715 5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7699 diff changeset	2660 {
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: 8471 diff changeset	2661 if (! cmds)
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: 8471 diff changeset	2662 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	2663
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: 8471 diff changeset	2664 cmds->append (end_script);
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: 8471 diff changeset	2665
7715 5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7699 diff changeset	2666 octave_user_script *script
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	2667 = new octave_user_script (lexer.fcn_file_full_name,
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	2668 lexer.fcn_file_name,
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	2669 cmds, lexer.help_text);
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	2670
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	2671 lexer.help_text = "";
7715 5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7699 diff changeset	2672
5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7699 diff changeset	2673 octave_time now;
5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7699 diff changeset	2674
5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7699 diff changeset	2675 script->stash_fcn_file_time (now);
5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7699 diff changeset	2676
9474 25ed2d6aacf6 Parse nested functions more accurately. David Grundberg <individ@acc.umu.se> parents: 9471 diff changeset	2677 primary_fcn_ptr = script;
7715 5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7699 diff changeset	2678 }
5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7699 diff changeset	2679
1623 fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2680 // Begin defining a function.
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2681
16134 ec9c6222ef5a move static parser helper functions to octave_parser class John W. Eaton <jwe@octave.org> parents: 16133 diff changeset	2682 octave_user_function *
16287 04a7953496a7 create base class for parser; use reference for curr_lexer John W. Eaton <jwe@octave.org> parents: 16285 diff changeset	2683 octave_base_parser::start_function (tree_parameter_list *param_list,
04a7953496a7 create base class for parser; use reference for curr_lexer John W. Eaton <jwe@octave.org> parents: 16285 diff changeset	2684 tree_statement_list *body,
04a7953496a7 create base class for parser; use reference for curr_lexer John W. Eaton <jwe@octave.org> parents: 16285 diff changeset	2685 tree_statement *end_fcn_stmt)
1623 fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2686 {
2891 1a30f46e1870 [project @ 1997-04-28 01:49:00 by jwe] jwe parents: 2884 diff changeset	2687 // We'll fill in the return list later.
1a30f46e1870 [project @ 1997-04-28 01:49:00 by jwe] jwe parents: 2884 diff changeset	2688
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: 8471 diff changeset	2689 if (! body)
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: 8471 diff changeset	2690 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	2691
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: 8471 diff changeset	2692 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	2693
2891 1a30f46e1870 [project @ 1997-04-28 01:49:00 by jwe] jwe parents: 2884 diff changeset	2694 octave_user_function *fcn
16320 09f0cb9cac7d don't modify symbol table scope in the parser John W. Eaton <jwe@octave.org> parents: 16302 diff changeset	2695 = new octave_user_function (lexer.symtab_context.curr_scope (),
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2696 param_list, 0, body);
1623 fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2697
3665 0689afb1d001 [project @ 2000-05-11 19:07:56 by jwe] jwe parents: 3544 diff changeset	2698 if (fcn)
0689afb1d001 [project @ 2000-05-11 19:07:56 by jwe] jwe parents: 3544 diff changeset	2699 {
0689afb1d001 [project @ 2000-05-11 19:07:56 by jwe] jwe parents: 3544 diff changeset	2700 octave_comment_list *tc = octave_comment_buffer::get_comment ();
0689afb1d001 [project @ 2000-05-11 19:07:56 by jwe] jwe parents: 3544 diff changeset	2701
0689afb1d001 [project @ 2000-05-11 19:07:56 by jwe] jwe parents: 3544 diff changeset	2702 fcn->stash_trailing_comment (tc);
16627 de91b1621260 adjust location of eof marker for files with subfunctions but no explicit end statements John W. Eaton <jwe@octave.org> parents: 16574 diff changeset	2703 fcn->stash_fcn_end_location (end_fcn_stmt->line (),
de91b1621260 adjust location of eof marker for files with subfunctions but no explicit end statements John W. Eaton <jwe@octave.org> parents: 16574 diff changeset	2704 end_fcn_stmt->column ());
3665 0689afb1d001 [project @ 2000-05-11 19:07:56 by jwe] jwe parents: 3544 diff changeset	2705 }
0689afb1d001 [project @ 2000-05-11 19:07:56 by jwe] jwe parents: 3544 diff changeset	2706
1623 fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2707 return fcn;
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2708 }
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2709
16134 ec9c6222ef5a move static parser helper functions to octave_parser class John W. Eaton <jwe@octave.org> parents: 16133 diff changeset	2710 tree_statement *
16627 de91b1621260 adjust location of eof marker for files with subfunctions but no explicit end statements John W. Eaton <jwe@octave.org> parents: 16574 diff changeset	2711 octave_base_parser::make_end (const std::string& type, bool eof, int l, int c)
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: 8471 diff changeset	2712 {
16627 de91b1621260 adjust location of eof marker for files with subfunctions but no explicit end statements John W. Eaton <jwe@octave.org> parents: 16574 diff changeset	2713 return make_statement (new tree_no_op_command (type, eof, l, c));
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: 8471 diff changeset	2714 }
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: 8471 diff changeset	2715
1623 fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2716 // Do most of the work for defining a function.
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2717
16134 ec9c6222ef5a move static parser helper functions to octave_parser class John W. Eaton <jwe@octave.org> parents: 16133 diff changeset	2718 octave_user_function *
16287 04a7953496a7 create base class for parser; use reference for curr_lexer John W. Eaton <jwe@octave.org> parents: 16285 diff changeset	2719 octave_base_parser::frob_function (const std::string& fname,
04a7953496a7 create base class for parser; use reference for curr_lexer John W. Eaton <jwe@octave.org> parents: 16285 diff changeset	2720 octave_user_function *fcn)
1623 fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2721 {
4872 fe71c458f438 [project @ 2004-04-21 20:09:32 by jwe] jwe parents: 4844 diff changeset	2722 std::string id_name = fname;
1623 fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2723
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2724 // 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	2725 // 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	2726 // 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	2727 // name).
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	2728 if (! autoloading && lexer.reading_fcn_file
16153 a57c2c8c8163 move some variables into the octave_parser class John W. Eaton <jwe@octave.org> parents: 16151 diff changeset	2729 && curr_fcn_depth == 1 && ! parsing_subfunctions)
9474 25ed2d6aacf6 Parse nested functions more accurately. David Grundberg <individ@acc.umu.se> parents: 9471 diff changeset	2730 {
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	2731 // FIXME -- should lexer.fcn_file_name already be
9474 25ed2d6aacf6 Parse nested functions more accurately. David Grundberg <individ@acc.umu.se> parents: 9471 diff changeset	2732 // 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	2733 // problem with relative file names.
25ed2d6aacf6 Parse nested functions more accurately. David Grundberg <individ@acc.umu.se> parents: 9471 diff changeset	2734
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	2735 std::string nm = lexer.fcn_file_name;
9474 25ed2d6aacf6 Parse nested functions more accurately. David Grundberg <individ@acc.umu.se> parents: 9471 diff changeset	2736
25ed2d6aacf6 Parse nested functions more accurately. David Grundberg <individ@acc.umu.se> parents: 9471 diff changeset	2737 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	2738
25ed2d6aacf6 Parse nested functions more accurately. David Grundberg <individ@acc.umu.se> parents: 9471 diff changeset	2739 if (pos != std::string::npos)
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	2740 nm = lexer.fcn_file_name.substr (pos+1);
9474 25ed2d6aacf6 Parse nested functions more accurately. David Grundberg <individ@acc.umu.se> parents: 9471 diff changeset	2741
25ed2d6aacf6 Parse nested functions more accurately. David Grundberg <individ@acc.umu.se> parents: 9471 diff changeset	2742 if (nm != id_name)
25ed2d6aacf6 Parse nested functions more accurately. David Grundberg <individ@acc.umu.se> parents: 9471 diff changeset	2743 {
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2744 warning_with_id
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2745 ("Octave:function-name-clash",
15466 d174210ce1ec use ' instead of ` in error messages, warnings and most comments John W. Eaton <jwe@octave.org> parents: 14189 diff changeset	2746 "function name '%s' does not agree with function file name '%s'",
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	2747 id_name.c_str (), lexer.fcn_file_full_name.c_str ());
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2748
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2749 id_name = nm;
9474 25ed2d6aacf6 Parse nested functions more accurately. David Grundberg <individ@acc.umu.se> parents: 9471 diff changeset	2750 }
25ed2d6aacf6 Parse nested functions more accurately. David Grundberg <individ@acc.umu.se> parents: 9471 diff changeset	2751 }
1623 fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2752
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	2753 if (lexer.reading_fcn_file \|\| lexer.reading_classdef_file \|\| autoloading)
1623 fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2754 {
3712 7066a8065e7e [project @ 2000-08-22 06:21:20 by jwe] jwe parents: 3665 diff changeset	2755 octave_time now;
3162 7c96e85c76db [project @ 1998-04-08 18:19:35 by jwe] jwe parents: 3156 diff changeset	2756
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	2757 fcn->stash_fcn_file_name (lexer.fcn_file_full_name);
3162 7c96e85c76db [project @ 1998-04-08 18:19:35 by jwe] jwe parents: 3156 diff changeset	2758 fcn->stash_fcn_file_time (now);
1623 fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2759 fcn->mark_as_system_fcn_file ();
3162 7c96e85c76db [project @ 1998-04-08 18:19:35 by jwe] jwe parents: 3156 diff changeset	2760
6323 ea65de49e18e [project @ 2007-02-17 02:51:02 by jwe] jwe parents: 6238 diff changeset	2761 if (fcn_file_from_relative_lookup)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2762 fcn->mark_relative ();
6323 ea65de49e18e [project @ 2007-02-17 02:51:02 by jwe] jwe parents: 6238 diff changeset	2763
16153 a57c2c8c8163 move some variables into the octave_parser class John W. Eaton <jwe@octave.org> parents: 16151 diff changeset	2764 if (curr_fcn_depth > 1 \|\| parsing_subfunctions)
7968 0d607e8dbbfa eliminate curr_parent_function; fix subfunction lookup John W. Eaton <jwe@octave.org> parents: 7903 diff changeset	2765 {
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	2766 fcn->stash_parent_fcn_name (lexer.fcn_file_name);
14544 be18c9e359bf Nested function support (bug #35772) Max Brister <max@2bass.com> parents: 14533 diff changeset	2767
16153 a57c2c8c8163 move some variables into the octave_parser class John W. Eaton <jwe@octave.org> parents: 16151 diff changeset	2768 if (curr_fcn_depth > 1)
14846 460a3c6d8bf1 maint: Use Octave coding convention for cuddled parenthis in function calls with empty argument lists. Rik <octave@nomad.inbox5.com> parents: 14584 diff changeset	2769 fcn->stash_parent_fcn_scope (function_scopes[function_scopes.size ()-2]);
14544 be18c9e359bf Nested function support (bug #35772) Max Brister <max@2bass.com> parents: 14533 diff changeset	2770 else
be18c9e359bf Nested function support (bug #35772) Max Brister <max@2bass.com> parents: 14533 diff changeset	2771 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	2772 }
6323 ea65de49e18e [project @ 2007-02-17 02:51:02 by jwe] jwe parents: 6238 diff changeset	2773
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	2774 if (lexer.parsing_class_method)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2775 {
16153 a57c2c8c8163 move some variables into the octave_parser class John W. Eaton <jwe@octave.org> parents: 16151 diff changeset	2776 if (curr_class_name == id_name)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2777 fcn->mark_as_class_constructor ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2778 else
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2779 fcn->mark_as_class_method ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2780
16153 a57c2c8c8163 move some variables into the octave_parser class John W. Eaton <jwe@octave.org> parents: 16151 diff changeset	2781 fcn->stash_dispatch_class (curr_class_name);
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2782 }
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	2783
5781 faafc2d98b8d [project @ 2006-05-02 19:40:19 by jwe] jwe parents: 5775 diff changeset	2784 std::string nm = fcn->fcn_file_name ();
faafc2d98b8d [project @ 2006-05-02 19:40:19 by jwe] jwe parents: 5775 diff changeset	2785
faafc2d98b8d [project @ 2006-05-02 19:40:19 by jwe] jwe parents: 5775 diff changeset	2786 file_stat fs (nm);
faafc2d98b8d [project @ 2006-05-02 19:40:19 by jwe] jwe parents: 5775 diff changeset	2787
faafc2d98b8d [project @ 2006-05-02 19:40:19 by jwe] jwe parents: 5775 diff changeset	2788 if (fs && fs.is_newer (now))
faafc2d98b8d [project @ 2006-05-02 19:40:19 by jwe] jwe parents: 5775 diff changeset	2789 warning_with_id ("Octave:future-time-stamp",
15466 d174210ce1ec use ' instead of ` in error messages, warnings and most comments John W. Eaton <jwe@octave.org> parents: 14189 diff changeset	2790 "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	2791 }
16203 127cccb037bf move more global parser and lexer variables to classes John W. Eaton <jwe@octave.org> parents: 16199 diff changeset	2792 else if (! input_from_tmp_history_file
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	2793 && ! lexer.force_script
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	2794 && lexer.reading_script_file
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	2795 && lexer.fcn_file_name == id_name)
1623 fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2796 {
15466 d174210ce1ec use ' instead of ` in error messages, warnings and most comments John W. Eaton <jwe@octave.org> parents: 14189 diff changeset	2797 warning ("function '%s' defined within script file '%s'",
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	2798 id_name.c_str (), lexer.fcn_file_full_name.c_str ());
1623 fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2799 }
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2800
4872 fe71c458f438 [project @ 2004-04-21 20:09:32 by jwe] jwe parents: 4844 diff changeset	2801 fcn->stash_function_name (id_name);
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	2802
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	2803 if (! lexer.help_text.empty () && curr_fcn_depth == 1
9474 25ed2d6aacf6 Parse nested functions more accurately. David Grundberg <individ@acc.umu.se> parents: 9471 diff changeset	2804 && ! parsing_subfunctions)
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	2805 {
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	2806 fcn->document (lexer.help_text);
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	2807
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	2808 lexer.help_text = "";
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	2809 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	2810
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	2811 if (lexer.reading_fcn_file && curr_fcn_depth == 1
9474 25ed2d6aacf6 Parse nested functions more accurately. David Grundberg <individ@acc.umu.se> parents: 9471 diff changeset	2812 && ! parsing_subfunctions)
25ed2d6aacf6 Parse nested functions more accurately. David Grundberg <individ@acc.umu.se> parents: 9471 diff changeset	2813 primary_fcn_ptr = fcn;
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11572 diff changeset	2814
1623 fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2815 return fcn;
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2816 }
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2817
16134 ec9c6222ef5a move static parser helper functions to octave_parser class John W. Eaton <jwe@octave.org> parents: 16133 diff changeset	2818 tree_function_def *
16287 04a7953496a7 create base class for parser; use reference for curr_lexer John W. Eaton <jwe@octave.org> parents: 16285 diff changeset	2819 octave_base_parser::finish_function (tree_parameter_list *ret_list,
04a7953496a7 create base class for parser; use reference for curr_lexer John W. Eaton <jwe@octave.org> parents: 16285 diff changeset	2820 octave_user_function *fcn,
16627 de91b1621260 adjust location of eof marker for files with subfunctions but no explicit end statements John W. Eaton <jwe@octave.org> parents: 16574 diff changeset	2821 octave_comment_list *lc,
de91b1621260 adjust location of eof marker for files with subfunctions but no explicit end statements John W. Eaton <jwe@octave.org> parents: 16574 diff changeset	2822 int l, int c)
1623 fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2823 {
7715 5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7699 diff changeset	2824 tree_function_def *retval = 0;
5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7699 diff changeset	2825
5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7699 diff changeset	2826 if (ret_list)
5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7699 diff changeset	2827 ret_list->mark_as_formal_parameters ();
5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7699 diff changeset	2828
5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7699 diff changeset	2829 if (fcn)
5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7699 diff changeset	2830 {
7761 5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7755 diff changeset	2831 std::string nm = fcn->name ();
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7755 diff changeset	2832 std::string file = fcn->fcn_file_name ();
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7755 diff changeset	2833
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7755 diff changeset	2834 std::string tmp = nm;
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7755 diff changeset	2835 if (! file.empty ())
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2836 tmp += ": " + file;
7761 5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7755 diff changeset	2837
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7755 diff changeset	2838 symbol_table::cache_name (fcn->scope (), tmp);
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7755 diff changeset	2839
7715 5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7699 diff changeset	2840 if (lc)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2841 fcn->stash_leading_comment (lc);
7715 5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7699 diff changeset	2842
5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7699 diff changeset	2843 fcn->define_ret_list (ret_list);
7755 ea9cb4d68dbf avoid installing subfunctions twice John W. Eaton <jwe@octave.org> parents: 7750 diff changeset	2844
16153 a57c2c8c8163 move some variables into the octave_parser class John W. Eaton <jwe@octave.org> parents: 16151 diff changeset	2845 if (curr_fcn_depth > 1 \|\| parsing_subfunctions)
9474 25ed2d6aacf6 Parse nested functions more accurately. David Grundberg <individ@acc.umu.se> parents: 9471 diff changeset	2846 {
11461 2b8531a6a3c9 Change mentions of "nested function" to the less misleading "subfunction" David Grundberg <individ@acc.umu.se> parents: 11388 diff changeset	2847 fcn->mark_as_subfunction ();
16627 de91b1621260 adjust location of eof marker for files with subfunctions but no explicit end statements John W. Eaton <jwe@octave.org> parents: 16574 diff changeset	2848 fcn->stash_fcn_location (l, c);
de91b1621260 adjust location of eof marker for files with subfunctions but no explicit end statements John W. Eaton <jwe@octave.org> parents: 16574 diff changeset	2849
de91b1621260 adjust location of eof marker for files with subfunctions but no explicit end statements John W. Eaton <jwe@octave.org> parents: 16574 diff changeset	2850 subfunction_names.push_back (nm);
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2851
14544 be18c9e359bf Nested function support (bug #35772) Max Brister <max@2bass.com> parents: 14533 diff changeset	2852 if (endfunction_found && function_scopes.size () > 1)
be18c9e359bf Nested function support (bug #35772) Max Brister <max@2bass.com> parents: 14533 diff changeset	2853 {
be18c9e359bf Nested function support (bug #35772) Max Brister <max@2bass.com> parents: 14533 diff changeset	2854 symbol_table::scope_id pscope
14846 460a3c6d8bf1 maint: Use Octave coding convention for cuddled parenthis in function calls with empty argument lists. Rik <octave@nomad.inbox5.com> parents: 14584 diff changeset	2855 = function_scopes[function_scopes.size ()-2];
14544 be18c9e359bf Nested function support (bug #35772) Max Brister <max@2bass.com> parents: 14533 diff changeset	2856
be18c9e359bf Nested function support (bug #35772) Max Brister <max@2bass.com> parents: 14533 diff changeset	2857 symbol_table::install_nestfunction (nm, octave_value (fcn),
be18c9e359bf Nested function support (bug #35772) Max Brister <max@2bass.com> parents: 14533 diff changeset	2858 pscope);
be18c9e359bf Nested function support (bug #35772) Max Brister <max@2bass.com> parents: 14533 diff changeset	2859 }
be18c9e359bf Nested function support (bug #35772) Max Brister <max@2bass.com> parents: 14533 diff changeset	2860 else
be18c9e359bf Nested function support (bug #35772) Max Brister <max@2bass.com> parents: 14533 diff changeset	2861 symbol_table::install_subfunction (nm, octave_value (fcn),
be18c9e359bf Nested function support (bug #35772) Max Brister <max@2bass.com> parents: 14533 diff changeset	2862 primary_fcn_scope);
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2863 }
9474 25ed2d6aacf6 Parse nested functions more accurately. David Grundberg <individ@acc.umu.se> parents: 9471 diff changeset	2864
16153 a57c2c8c8163 move some variables into the octave_parser class John W. Eaton <jwe@octave.org> parents: 16151 diff changeset	2865 if (curr_fcn_depth == 1 && fcn)
14544 be18c9e359bf Nested function support (bug #35772) Max Brister <max@2bass.com> parents: 14533 diff changeset	2866 symbol_table::update_nest (fcn->scope ());
be18c9e359bf Nested function support (bug #35772) Max Brister <max@2bass.com> parents: 14533 diff changeset	2867
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	2868 if (! lexer.reading_fcn_file && curr_fcn_depth == 1)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2869 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2870 // 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	2871 // 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	2872 // 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	2873 // Otherwise, it is just inserted in the symbol table,
14512 e0d66b8b0c63 Avoid double delete for nested functions in commandline Max Brister <max@2bass.com> parents: 14507 diff changeset	2874 // either as a subfunction or nested function (see above),
e0d66b8b0c63 Avoid double delete for nested functions in commandline Max Brister <max@2bass.com> parents: 14507 diff changeset	2875 // or as the primary function for the file, via
e0d66b8b0c63 Avoid double delete for nested functions in commandline Max Brister <max@2bass.com> parents: 14507 diff changeset	2876 // primary_fcn_ptr (see also load_fcn_from_file,,
e0d66b8b0c63 Avoid double delete for nested functions in commandline Max Brister <max@2bass.com> parents: 14507 diff changeset	2877 // parse_fcn_file, and
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2878 // 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	2879
5f8971be8e12 parse.y (finish_function): retrun function object unless parsing function file John W. Eaton <jwe@octave.org> parents: 9506 diff changeset	2880 retval = new tree_function_def (fcn);
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	2881 }
7715 5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7699 diff changeset	2882 }
5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7699 diff changeset	2883
5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7699 diff changeset	2884 return retval;
1623 fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2885 }
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	2886
16134 ec9c6222ef5a move static parser helper functions to octave_parser class John W. Eaton <jwe@octave.org> parents: 16133 diff changeset	2887 void
16287 04a7953496a7 create base class for parser; use reference for curr_lexer John W. Eaton <jwe@octave.org> parents: 16285 diff changeset	2888 octave_base_parser::recover_from_parsing_function (void)
2883 0b3954110c77 [project @ 1997-04-24 09:57:05 by jwe] jwe parents: 2865 diff changeset	2889 {
16320 09f0cb9cac7d don't modify symbol table scope in the parser John W. Eaton <jwe@octave.org> parents: 16302 diff changeset	2890 if (lexer.symtab_context.empty ())
3903 1dbe160ea0d1 [project @ 2002-04-23 03:40:25 by jwe] jwe parents: 3883 diff changeset	2891 panic_impossible ();
1dbe160ea0d1 [project @ 2002-04-23 03:40:25 by jwe] jwe parents: 3883 diff changeset	2892
16320 09f0cb9cac7d don't modify symbol table scope in the parser John W. Eaton <jwe@octave.org> parents: 16302 diff changeset	2893 lexer.symtab_context.pop ();
2883 0b3954110c77 [project @ 1997-04-24 09:57:05 by jwe] jwe parents: 2865 diff changeset	2894
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	2895 if (lexer.reading_fcn_file && curr_fcn_depth == 1
9474 25ed2d6aacf6 Parse nested functions more accurately. David Grundberg <individ@acc.umu.se> parents: 9471 diff changeset	2896 && ! parsing_subfunctions)
25ed2d6aacf6 Parse nested functions more accurately. David Grundberg <individ@acc.umu.se> parents: 9471 diff changeset	2897 parsing_subfunctions = true;
25ed2d6aacf6 Parse nested functions more accurately. David Grundberg <individ@acc.umu.se> parents: 9471 diff changeset	2898
16153 a57c2c8c8163 move some variables into the octave_parser class John W. Eaton <jwe@octave.org> parents: 16151 diff changeset	2899 curr_fcn_depth--;
14544 be18c9e359bf Nested function support (bug #35772) Max Brister <max@2bass.com> parents: 14533 diff changeset	2900 function_scopes.pop_back ();
9474 25ed2d6aacf6 Parse nested functions more accurately. David Grundberg <individ@acc.umu.se> parents: 9471 diff changeset	2901
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	2902 lexer.defining_func--;
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	2903 lexer.parsed_function_name.pop ();
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	2904 lexer.looking_at_return_list = false;
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	2905 lexer.looking_at_parameter_list = false;
2883 0b3954110c77 [project @ 1997-04-24 09:57:05 by jwe] jwe parents: 2865 diff changeset	2906 }
0b3954110c77 [project @ 1997-04-24 09:57:05 by jwe] jwe parents: 2865 diff changeset	2907
2846 52e7c4509983 [project @ 1997-03-26 23:27:35 by jwe] jwe parents: 2825 diff changeset	2908 // Make an index expression.
52e7c4509983 [project @ 1997-03-26 23:27:35 by jwe] jwe parents: 2825 diff changeset	2909
16134 ec9c6222ef5a move static parser helper functions to octave_parser class John W. Eaton <jwe@octave.org> parents: 16133 diff changeset	2910 tree_index_expression *
16287 04a7953496a7 create base class for parser; use reference for curr_lexer John W. Eaton <jwe@octave.org> parents: 16285 diff changeset	2911 octave_base_parser::make_index_expression (tree_expression *expr,
04a7953496a7 create base class for parser; use reference for curr_lexer John W. Eaton <jwe@octave.org> parents: 16285 diff changeset	2912 tree_argument_list *args,
04a7953496a7 create base class for parser; use reference for curr_lexer John W. Eaton <jwe@octave.org> parents: 16285 diff changeset	2913 char type)
751 c9f3cb77478d [project @ 1994-09-30 18:46:17 by jwe] jwe parents: 723 diff changeset	2914 {
c9f3cb77478d [project @ 1994-09-30 18:46:17 by jwe] jwe parents: 723 diff changeset	2915 tree_index_expression *retval = 0;
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11572 diff changeset	2916
10206 37a08e0ce2dc support Matlab-style empty output/input arguments Jaroslav Hajek <highegg@gmail.com> parents: 10188 diff changeset	2917 if (args && args->has_magic_tilde ())
37a08e0ce2dc support Matlab-style empty output/input arguments Jaroslav Hajek <highegg@gmail.com> parents: 10188 diff changeset	2918 {
16142 26d65d677557 rename yyerror to bison_error and make it a member of octave_parser class John W. Eaton <jwe@octave.org> parents: 16139 diff changeset	2919 bison_error ("invalid use of empty argument (~) in index expression");
10206 37a08e0ce2dc support Matlab-style empty output/input arguments Jaroslav Hajek <highegg@gmail.com> parents: 10188 diff changeset	2920 return retval;
37a08e0ce2dc support Matlab-style empty output/input arguments Jaroslav Hajek <highegg@gmail.com> parents: 10188 diff changeset	2921 }
751 c9f3cb77478d [project @ 1994-09-30 18:46:17 by jwe] jwe parents: 723 diff changeset	2922
2970 b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	2923 int l = expr->line ();
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	2924 int c = expr->column ();
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	2925
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	2926 expr->mark_postfix_indexed ();
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	2927
3933 f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe] jwe parents: 3930 diff changeset	2928 if (expr->is_index_expression ())
f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe] jwe parents: 3930 diff changeset	2929 {
f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe] jwe parents: 3930 diff changeset	2930 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	2931
f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe] jwe parents: 3930 diff changeset	2932 tmp->append (args, type);
f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe] jwe parents: 3930 diff changeset	2933
f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe] jwe parents: 3930 diff changeset	2934 retval = tmp;
f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe] jwe parents: 3930 diff changeset	2935 }
f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe] jwe parents: 3930 diff changeset	2936 else
f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe] jwe parents: 3930 diff changeset	2937 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	2938
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	2939 return retval;
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	2940 }
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	2941
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	2942 // Make an indirect reference expression.
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	2943
16134 ec9c6222ef5a move static parser helper functions to octave_parser class John W. Eaton <jwe@octave.org> parents: 16133 diff changeset	2944 tree_index_expression *
16287 04a7953496a7 create base class for parser; use reference for curr_lexer John W. Eaton <jwe@octave.org> parents: 16285 diff changeset	2945 octave_base_parser::make_indirect_ref (tree_expression *expr,
04a7953496a7 create base class for parser; use reference for curr_lexer John W. Eaton <jwe@octave.org> parents: 16285 diff changeset	2946 const std::string& elt)
2970 b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	2947 {
3930 61d4427c016e [project @ 2002-05-07 00:47:31 by jwe] jwe parents: 3929 diff changeset	2948 tree_index_expression *retval = 0;
2970 b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	2949
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	2950 int l = expr->line ();
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	2951 int c = expr->column ();
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe] jwe parents: 2961 diff changeset	2952
3933 f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe] jwe parents: 3930 diff changeset	2953 if (expr->is_index_expression ())
f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe] jwe parents: 3930 diff changeset	2954 {
f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe] jwe parents: 3930 diff changeset	2955 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	2956
f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe] jwe parents: 3930 diff changeset	2957 tmp->append (elt);
f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe] jwe parents: 3930 diff changeset	2958
f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe] jwe parents: 3930 diff changeset	2959 retval = tmp;
f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe] jwe parents: 3930 diff changeset	2960 }
f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe] jwe parents: 3930 diff changeset	2961 else
f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe] jwe parents: 3930 diff changeset	2962 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	2963
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	2964 lexer.looking_at_indirect_ref = false;
751 c9f3cb77478d [project @ 1994-09-30 18:46:17 by jwe] jwe parents: 723 diff changeset	2965
c9f3cb77478d [project @ 1994-09-30 18:46:17 by jwe] jwe parents: 723 diff changeset	2966 return retval;
c9f3cb77478d [project @ 1994-09-30 18:46:17 by jwe] jwe parents: 723 diff changeset	2967 }
1511 74f9e88a2c12 [project @ 1995-10-03 10:49:31 by jwe] jwe parents: 1491 diff changeset	2968
4131 597fbc55ea40 [project @ 2002-10-29 17:12:53 by jwe] jwe parents: 4064 diff changeset	2969 // Make an indirect reference expression with dynamic field name.
597fbc55ea40 [project @ 2002-10-29 17:12:53 by jwe] jwe parents: 4064 diff changeset	2970
16134 ec9c6222ef5a move static parser helper functions to octave_parser class John W. Eaton <jwe@octave.org> parents: 16133 diff changeset	2971 tree_index_expression *
16287 04a7953496a7 create base class for parser; use reference for curr_lexer John W. Eaton <jwe@octave.org> parents: 16285 diff changeset	2972 octave_base_parser::make_indirect_ref (tree_expression expr, tree_expression elt)
4131 597fbc55ea40 [project @ 2002-10-29 17:12:53 by jwe] jwe parents: 4064 diff changeset	2973 {
597fbc55ea40 [project @ 2002-10-29 17:12:53 by jwe] jwe parents: 4064 diff changeset	2974 tree_index_expression *retval = 0;
597fbc55ea40 [project @ 2002-10-29 17:12:53 by jwe] jwe parents: 4064 diff changeset	2975
597fbc55ea40 [project @ 2002-10-29 17:12:53 by jwe] jwe parents: 4064 diff changeset	2976 int l = expr->line ();
597fbc55ea40 [project @ 2002-10-29 17:12:53 by jwe] jwe parents: 4064 diff changeset	2977 int c = expr->column ();
597fbc55ea40 [project @ 2002-10-29 17:12:53 by jwe] jwe parents: 4064 diff changeset	2978
597fbc55ea40 [project @ 2002-10-29 17:12:53 by jwe] jwe parents: 4064 diff changeset	2979 if (expr->is_index_expression ())
597fbc55ea40 [project @ 2002-10-29 17:12:53 by jwe] jwe parents: 4064 diff changeset	2980 {
597fbc55ea40 [project @ 2002-10-29 17:12:53 by jwe] jwe parents: 4064 diff changeset	2981 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	2982
597fbc55ea40 [project @ 2002-10-29 17:12:53 by jwe] jwe parents: 4064 diff changeset	2983 tmp->append (elt);
597fbc55ea40 [project @ 2002-10-29 17:12:53 by jwe] jwe parents: 4064 diff changeset	2984
597fbc55ea40 [project @ 2002-10-29 17:12:53 by jwe] jwe parents: 4064 diff changeset	2985 retval = tmp;
597fbc55ea40 [project @ 2002-10-29 17:12:53 by jwe] jwe parents: 4064 diff changeset	2986 }
597fbc55ea40 [project @ 2002-10-29 17:12:53 by jwe] jwe parents: 4064 diff changeset	2987 else
597fbc55ea40 [project @ 2002-10-29 17:12:53 by jwe] jwe parents: 4064 diff changeset	2988 retval = new tree_index_expression (expr, elt, l, c);
597fbc55ea40 [project @ 2002-10-29 17:12:53 by jwe] jwe parents: 4064 diff changeset	2989
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	2990 lexer.looking_at_indirect_ref = false;
4131 597fbc55ea40 [project @ 2002-10-29 17:12:53 by jwe] jwe parents: 4064 diff changeset	2991
597fbc55ea40 [project @ 2002-10-29 17:12:53 by jwe] jwe parents: 4064 diff changeset	2992 return retval;
597fbc55ea40 [project @ 2002-10-29 17:12:53 by jwe] jwe parents: 4064 diff changeset	2993 }
597fbc55ea40 [project @ 2002-10-29 17:12:53 by jwe] jwe parents: 4064 diff changeset	2994
2846 52e7c4509983 [project @ 1997-03-26 23:27:35 by jwe] jwe parents: 2825 diff changeset	2995 // Make a declaration command.
52e7c4509983 [project @ 1997-03-26 23:27:35 by jwe] jwe parents: 2825 diff changeset	2996
16134 ec9c6222ef5a move static parser helper functions to octave_parser class John W. Eaton <jwe@octave.org> parents: 16133 diff changeset	2997 tree_decl_command *
16287 04a7953496a7 create base class for parser; use reference for curr_lexer John W. Eaton <jwe@octave.org> parents: 16285 diff changeset	2998 octave_base_parser::make_decl_command (int tok, token *tok_val,
04a7953496a7 create base class for parser; use reference for curr_lexer John W. Eaton <jwe@octave.org> parents: 16285 diff changeset	2999 tree_decl_init_list *lst)
2846 52e7c4509983 [project @ 1997-03-26 23:27:35 by jwe] jwe parents: 2825 diff changeset	3000 {
52e7c4509983 [project @ 1997-03-26 23:27:35 by jwe] jwe parents: 2825 diff changeset	3001 tree_decl_command *retval = 0;
52e7c4509983 [project @ 1997-03-26 23:27:35 by jwe] jwe parents: 2825 diff changeset	3002
52e7c4509983 [project @ 1997-03-26 23:27:35 by jwe] jwe parents: 2825 diff changeset	3003 int l = tok_val->line ();
52e7c4509983 [project @ 1997-03-26 23:27:35 by jwe] jwe parents: 2825 diff changeset	3004 int c = tok_val->column ();
52e7c4509983 [project @ 1997-03-26 23:27:35 by jwe] jwe parents: 2825 diff changeset	3005
52e7c4509983 [project @ 1997-03-26 23:27:35 by jwe] jwe parents: 2825 diff changeset	3006 switch (tok)
52e7c4509983 [project @ 1997-03-26 23:27:35 by jwe] jwe parents: 2825 diff changeset	3007 {
52e7c4509983 [project @ 1997-03-26 23:27:35 by jwe] jwe parents: 2825 diff changeset	3008 case GLOBAL:
52e7c4509983 [project @ 1997-03-26 23:27:35 by jwe] jwe parents: 2825 diff changeset	3009 retval = new tree_global_command (lst, l, c);
52e7c4509983 [project @ 1997-03-26 23:27:35 by jwe] jwe parents: 2825 diff changeset	3010 break;
52e7c4509983 [project @ 1997-03-26 23:27:35 by jwe] jwe parents: 2825 diff changeset	3011
14294 9e3983c8963c deprecate the static keyword John W. Eaton <jwe@octave.org> parents: 14293 diff changeset	3012 case PERSISTENT:
16153 a57c2c8c8163 move some variables into the octave_parser class John W. Eaton <jwe@octave.org> parents: 16151 diff changeset	3013 if (curr_fcn_depth > 0)
14294 9e3983c8963c deprecate the static keyword John W. Eaton <jwe@octave.org> parents: 14293 diff changeset	3014 retval = new tree_persistent_command (lst, l, c);
2846 52e7c4509983 [project @ 1997-03-26 23:27:35 by jwe] jwe parents: 2825 diff changeset	3015 else
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3016 {
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	3017 if (lexer.reading_script_file)
15466 d174210ce1ec use ' instead of ` in error messages, warnings and most comments John W. Eaton <jwe@octave.org> parents: 14189 diff changeset	3018 warning ("ignoring persistent declaration near line %d of file '%s'",
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	3019 l, lexer.fcn_file_full_name.c_str ());
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3020 else
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3021 warning ("ignoring persistent declaration near line %d", l);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3022 }
2846 52e7c4509983 [project @ 1997-03-26 23:27:35 by jwe] jwe parents: 2825 diff changeset	3023 break;
52e7c4509983 [project @ 1997-03-26 23:27:35 by jwe] jwe parents: 2825 diff changeset	3024
52e7c4509983 [project @ 1997-03-26 23:27:35 by jwe] jwe parents: 2825 diff changeset	3025 default:
52e7c4509983 [project @ 1997-03-26 23:27:35 by jwe] jwe parents: 2825 diff changeset	3026 panic_impossible ();
52e7c4509983 [project @ 1997-03-26 23:27:35 by jwe] jwe parents: 2825 diff changeset	3027 break;
52e7c4509983 [project @ 1997-03-26 23:27:35 by jwe] jwe parents: 2825 diff changeset	3028 }
52e7c4509983 [project @ 1997-03-26 23:27:35 by jwe] jwe parents: 2825 diff changeset	3029
52e7c4509983 [project @ 1997-03-26 23:27:35 by jwe] jwe parents: 2825 diff changeset	3030 return retval;
52e7c4509983 [project @ 1997-03-26 23:27:35 by jwe] jwe parents: 2825 diff changeset	3031 }
52e7c4509983 [project @ 1997-03-26 23:27:35 by jwe] jwe parents: 2825 diff changeset	3032
16273 c5e5f6ccac5d 9/10 commits reworking the lexer John W. Eaton <jwe@octave.org> parents: 16265 diff changeset	3033 bool
16287 04a7953496a7 create base class for parser; use reference for curr_lexer John W. Eaton <jwe@octave.org> parents: 16285 diff changeset	3034 octave_base_parser::validate_array_list (tree_expression *e)
16273 c5e5f6ccac5d 9/10 commits reworking the lexer John W. Eaton <jwe@octave.org> parents: 16265 diff changeset	3035 {
c5e5f6ccac5d 9/10 commits reworking the lexer John W. Eaton <jwe@octave.org> parents: 16265 diff changeset	3036 bool retval = true;
c5e5f6ccac5d 9/10 commits reworking the lexer John W. Eaton <jwe@octave.org> parents: 16265 diff changeset	3037
c5e5f6ccac5d 9/10 commits reworking the lexer John W. Eaton <jwe@octave.org> parents: 16265 diff changeset	3038 tree_array_list al = dynamic_cast<tree_array_list > (e);
c5e5f6ccac5d 9/10 commits reworking the lexer John W. Eaton <jwe@octave.org> parents: 16265 diff changeset	3039
c5e5f6ccac5d 9/10 commits reworking the lexer John W. Eaton <jwe@octave.org> parents: 16265 diff changeset	3040 for (tree_array_list::iterator i = al->begin (); i != al->end (); i++)
c5e5f6ccac5d 9/10 commits reworking the lexer John W. Eaton <jwe@octave.org> parents: 16265 diff changeset	3041 {
c5e5f6ccac5d 9/10 commits reworking the lexer John W. Eaton <jwe@octave.org> parents: 16265 diff changeset	3042 tree_argument_list row = i;
c5e5f6ccac5d 9/10 commits reworking the lexer John W. Eaton <jwe@octave.org> parents: 16265 diff changeset	3043
c5e5f6ccac5d 9/10 commits reworking the lexer John W. Eaton <jwe@octave.org> parents: 16265 diff changeset	3044 if (row && row->has_magic_tilde ())
c5e5f6ccac5d 9/10 commits reworking the lexer John W. Eaton <jwe@octave.org> parents: 16265 diff changeset	3045 {
c5e5f6ccac5d 9/10 commits reworking the lexer John W. Eaton <jwe@octave.org> parents: 16265 diff changeset	3046 retval = false;
c5e5f6ccac5d 9/10 commits reworking the lexer John W. Eaton <jwe@octave.org> parents: 16265 diff changeset	3047 if (e->is_matrix ())
c5e5f6ccac5d 9/10 commits reworking the lexer John W. Eaton <jwe@octave.org> parents: 16265 diff changeset	3048 bison_error ("invalid use of tilde (~) in matrix expression");
c5e5f6ccac5d 9/10 commits reworking the lexer John W. Eaton <jwe@octave.org> parents: 16265 diff changeset	3049 else
c5e5f6ccac5d 9/10 commits reworking the lexer John W. Eaton <jwe@octave.org> parents: 16265 diff changeset	3050 bison_error ("invalid use of tilde (~) in cell expression");
c5e5f6ccac5d 9/10 commits reworking the lexer John W. Eaton <jwe@octave.org> parents: 16265 diff changeset	3051 break;
c5e5f6ccac5d 9/10 commits reworking the lexer John W. Eaton <jwe@octave.org> parents: 16265 diff changeset	3052 }
c5e5f6ccac5d 9/10 commits reworking the lexer John W. Eaton <jwe@octave.org> parents: 16265 diff changeset	3053 }
c5e5f6ccac5d 9/10 commits reworking the lexer John W. Eaton <jwe@octave.org> parents: 16265 diff changeset	3054
c5e5f6ccac5d 9/10 commits reworking the lexer John W. Eaton <jwe@octave.org> parents: 16265 diff changeset	3055 return retval;
c5e5f6ccac5d 9/10 commits reworking the lexer John W. Eaton <jwe@octave.org> parents: 16265 diff changeset	3056 }
c5e5f6ccac5d 9/10 commits reworking the lexer John W. Eaton <jwe@octave.org> parents: 16265 diff changeset	3057
16134 ec9c6222ef5a move static parser helper functions to octave_parser class John W. Eaton <jwe@octave.org> parents: 16133 diff changeset	3058 tree_argument_list *
16287 04a7953496a7 create base class for parser; use reference for curr_lexer John W. Eaton <jwe@octave.org> parents: 16285 diff changeset	3059 octave_base_parser::validate_matrix_for_assignment (tree_expression *e)
10207 76a880a588ce error when using ~ in matrix expression Jaroslav Hajek <highegg@gmail.com> parents: 10206 diff changeset	3060 {
16273 c5e5f6ccac5d 9/10 commits reworking the lexer John W. Eaton <jwe@octave.org> parents: 16265 diff changeset	3061 tree_argument_list *retval = 0;
c5e5f6ccac5d 9/10 commits reworking the lexer John W. Eaton <jwe@octave.org> parents: 16265 diff changeset	3062
c5e5f6ccac5d 9/10 commits reworking the lexer John W. Eaton <jwe@octave.org> parents: 16265 diff changeset	3063 if (e->is_constant ())
c5e5f6ccac5d 9/10 commits reworking the lexer John W. Eaton <jwe@octave.org> parents: 16265 diff changeset	3064 {
16285 3389152014ca improve validation of left hand side of assignment expressions in parser John W. Eaton <jwe@octave.org> parents: 16284 diff changeset	3065 octave_value ov = e->rvalue1 ();
3389152014ca improve validation of left hand side of assignment expressions in parser John W. Eaton <jwe@octave.org> parents: 16284 diff changeset	3066
3389152014ca improve validation of left hand side of assignment expressions in parser John W. Eaton <jwe@octave.org> parents: 16284 diff changeset	3067 if (ov.is_empty ())
3389152014ca improve validation of left hand side of assignment expressions in parser John W. Eaton <jwe@octave.org> parents: 16284 diff changeset	3068 bison_error ("invalid empty left hand side of assignment");
3389152014ca improve validation of left hand side of assignment expressions in parser John W. Eaton <jwe@octave.org> parents: 16284 diff changeset	3069 else
3389152014ca improve validation of left hand side of assignment expressions in parser John W. Eaton <jwe@octave.org> parents: 16284 diff changeset	3070 bison_error ("invalid constant left hand side of assignment");
3389152014ca improve validation of left hand side of assignment expressions in parser John W. Eaton <jwe@octave.org> parents: 16284 diff changeset	3071
16273 c5e5f6ccac5d 9/10 commits reworking the lexer John W. Eaton <jwe@octave.org> parents: 16265 diff changeset	3072 delete e;
c5e5f6ccac5d 9/10 commits reworking the lexer John W. Eaton <jwe@octave.org> parents: 16265 diff changeset	3073 }
c5e5f6ccac5d 9/10 commits reworking the lexer John W. Eaton <jwe@octave.org> parents: 16265 diff changeset	3074 else
c5e5f6ccac5d 9/10 commits reworking the lexer John W. Eaton <jwe@octave.org> parents: 16265 diff changeset	3075 {
16285 3389152014ca improve validation of left hand side of assignment expressions in parser John W. Eaton <jwe@octave.org> parents: 16284 diff changeset	3076 bool is_simple_assign = true;
3389152014ca improve validation of left hand side of assignment expressions in parser John W. Eaton <jwe@octave.org> parents: 16284 diff changeset	3077
3389152014ca improve validation of left hand side of assignment expressions in parser John W. Eaton <jwe@octave.org> parents: 16284 diff changeset	3078 tree_argument_list *tmp = 0;
3389152014ca improve validation of left hand side of assignment expressions in parser John W. Eaton <jwe@octave.org> parents: 16284 diff changeset	3079
3389152014ca improve validation of left hand side of assignment expressions in parser John W. Eaton <jwe@octave.org> parents: 16284 diff changeset	3080 if (e->is_matrix ())
3389152014ca improve validation of left hand side of assignment expressions in parser John W. Eaton <jwe@octave.org> parents: 16284 diff changeset	3081 {
3389152014ca improve validation of left hand side of assignment expressions in parser John W. Eaton <jwe@octave.org> parents: 16284 diff changeset	3082 tree_matrix mat = dynamic_cast<tree_matrix > (e);
3389152014ca improve validation of left hand side of assignment expressions in parser John W. Eaton <jwe@octave.org> parents: 16284 diff changeset	3083
3389152014ca improve validation of left hand side of assignment expressions in parser John W. Eaton <jwe@octave.org> parents: 16284 diff changeset	3084 if (mat && mat->size () == 1)
3389152014ca improve validation of left hand side of assignment expressions in parser John W. Eaton <jwe@octave.org> parents: 16284 diff changeset	3085 {
3389152014ca improve validation of left hand side of assignment expressions in parser John W. Eaton <jwe@octave.org> parents: 16284 diff changeset	3086 tmp = mat->front ();
3389152014ca improve validation of left hand side of assignment expressions in parser John W. Eaton <jwe@octave.org> parents: 16284 diff changeset	3087 mat->pop_front ();
3389152014ca improve validation of left hand side of assignment expressions in parser John W. Eaton <jwe@octave.org> parents: 16284 diff changeset	3088 delete e;
3389152014ca improve validation of left hand side of assignment expressions in parser John W. Eaton <jwe@octave.org> parents: 16284 diff changeset	3089 is_simple_assign = false;
3389152014ca improve validation of left hand side of assignment expressions in parser John W. Eaton <jwe@octave.org> parents: 16284 diff changeset	3090 }
3389152014ca improve validation of left hand side of assignment expressions in parser John W. Eaton <jwe@octave.org> parents: 16284 diff changeset	3091 }
3389152014ca improve validation of left hand side of assignment expressions in parser John W. Eaton <jwe@octave.org> parents: 16284 diff changeset	3092 else
3389152014ca improve validation of left hand side of assignment expressions in parser John W. Eaton <jwe@octave.org> parents: 16284 diff changeset	3093 tmp = new tree_argument_list (e);
3389152014ca improve validation of left hand side of assignment expressions in parser John W. Eaton <jwe@octave.org> parents: 16284 diff changeset	3094
3389152014ca improve validation of left hand side of assignment expressions in parser John W. Eaton <jwe@octave.org> parents: 16284 diff changeset	3095 if (tmp && tmp->is_valid_lvalue_list ())
16360 11115c237231 recognize variables when parsing (bug #38576) John W. Eaton <jwe@octave.org> parents: 16320 diff changeset	3096 {
11115c237231 recognize variables when parsing (bug #38576) John W. Eaton <jwe@octave.org> parents: 16320 diff changeset	3097 lexer.mark_as_variables (tmp->variable_names ());
11115c237231 recognize variables when parsing (bug #38576) John W. Eaton <jwe@octave.org> parents: 16320 diff changeset	3098 retval = tmp;
11115c237231 recognize variables when parsing (bug #38576) John W. Eaton <jwe@octave.org> parents: 16320 diff changeset	3099 }
16285 3389152014ca improve validation of left hand side of assignment expressions in parser John W. Eaton <jwe@octave.org> parents: 16284 diff changeset	3100 else
3389152014ca improve validation of left hand side of assignment expressions in parser John W. Eaton <jwe@octave.org> parents: 16284 diff changeset	3101 {
3389152014ca improve validation of left hand side of assignment expressions in parser John W. Eaton <jwe@octave.org> parents: 16284 diff changeset	3102 bison_error ("invalid left hand side of assignment");
3389152014ca improve validation of left hand side of assignment expressions in parser John W. Eaton <jwe@octave.org> parents: 16284 diff changeset	3103 delete tmp;
3389152014ca improve validation of left hand side of assignment expressions in parser John W. Eaton <jwe@octave.org> parents: 16284 diff changeset	3104 }
3389152014ca improve validation of left hand side of assignment expressions in parser John W. Eaton <jwe@octave.org> parents: 16284 diff changeset	3105
3389152014ca improve validation of left hand side of assignment expressions in parser John W. Eaton <jwe@octave.org> parents: 16284 diff changeset	3106 if (retval && is_simple_assign)
3389152014ca improve validation of left hand side of assignment expressions in parser John W. Eaton <jwe@octave.org> parents: 16284 diff changeset	3107 retval->mark_as_simple_assign_lhs ();
16273 c5e5f6ccac5d 9/10 commits reworking the lexer John W. Eaton <jwe@octave.org> parents: 16265 diff changeset	3108 }
c5e5f6ccac5d 9/10 commits reworking the lexer John W. Eaton <jwe@octave.org> parents: 16265 diff changeset	3109
c5e5f6ccac5d 9/10 commits reworking the lexer John W. Eaton <jwe@octave.org> parents: 16265 diff changeset	3110 return retval;
10207 76a880a588ce error when using ~ in matrix expression Jaroslav Hajek <highegg@gmail.com> parents: 10206 diff changeset	3111 }
76a880a588ce error when using ~ in matrix expression Jaroslav Hajek <highegg@gmail.com> parents: 10206 diff changeset	3112
16237 70f465930546 rearrange class heirarchy for tree_cell and tree_matrix John W. Eaton <jwe@octave.org> parents: 16210 diff changeset	3113 // Finish building an array_list.
1623 fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	3114
16134 ec9c6222ef5a move static parser helper functions to octave_parser class John W. Eaton <jwe@octave.org> parents: 16133 diff changeset	3115 tree_expression *
16287 04a7953496a7 create base class for parser; use reference for curr_lexer John W. Eaton <jwe@octave.org> parents: 16285 diff changeset	3116 octave_base_parser::finish_array_list (tree_array_list *array_list)
1623 fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	3117 {
16237 70f465930546 rearrange class heirarchy for tree_cell and tree_matrix John W. Eaton <jwe@octave.org> parents: 16210 diff changeset	3118 tree_expression *retval = array_list;
3110 fe2d1ae8926b [project @ 1997-11-21 02:11:19 by jwe] jwe parents: 3099 diff changeset	3119
10067 6f79338c269b omission from last patch Jaroslav Hajek <highegg@gmail.com> parents: 9794 diff changeset	3120 unwind_protect frame;
6f79338c269b omission from last patch Jaroslav Hajek <highegg@gmail.com> parents: 9794 diff changeset	3121
6f79338c269b omission from last patch Jaroslav Hajek <highegg@gmail.com> parents: 9794 diff changeset	3122 frame.protect_var (error_state);
6f79338c269b omission from last patch Jaroslav Hajek <highegg@gmail.com> parents: 9794 diff changeset	3123 frame.protect_var (warning_state);
6f79338c269b omission from last patch Jaroslav Hajek <highegg@gmail.com> parents: 9794 diff changeset	3124
6f79338c269b omission from last patch Jaroslav Hajek <highegg@gmail.com> parents: 9794 diff changeset	3125 frame.protect_var (discard_error_messages);
6f79338c269b omission from last patch Jaroslav Hajek <highegg@gmail.com> parents: 9794 diff changeset	3126 frame.protect_var (discard_warning_messages);
4452 f3c21a1d1c62 [project @ 2003-07-09 23:20:18 by jwe] jwe parents: 4426 diff changeset	3127
3815 c554ad71bafc [project @ 2001-04-19 19:50:52 by jwe] jwe parents: 3802 diff changeset	3128 discard_error_messages = true;
4452 f3c21a1d1c62 [project @ 2003-07-09 23:20:18 by jwe] jwe parents: 4426 diff changeset	3129 discard_warning_messages = true;
1623 fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	3130
16237 70f465930546 rearrange class heirarchy for tree_cell and tree_matrix John W. Eaton <jwe@octave.org> parents: 16210 diff changeset	3131 if (array_list->all_elements_are_constant ())
1829 7d2982b55242 [project @ 1996-02-02 14:12:59 by jwe] jwe parents: 1826 diff changeset	3132 {
16237 70f465930546 rearrange class heirarchy for tree_cell and tree_matrix John W. Eaton <jwe@octave.org> parents: 16210 diff changeset	3133 octave_value tmp = array_list->rvalue1 ();
1623 fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	3134
3489 cbee5fbb696d [project @ 2000-01-28 09:14:32 by jwe] jwe parents: 3485 diff changeset	3135 if (! (error_state \|\| warning_state))
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 tree_constant *tc_retval
16237 70f465930546 rearrange class heirarchy for tree_cell and tree_matrix John W. Eaton <jwe@octave.org> parents: 16210 diff changeset	3138 = new tree_constant (tmp, array_list->line (),
70f465930546 rearrange class heirarchy for tree_cell and tree_matrix John W. Eaton <jwe@octave.org> parents: 16210 diff changeset	3139 array_list->column ());
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3140
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3141 std::ostringstream buf;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3142
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3143 tree_print_code tpc (buf);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3144
16237 70f465930546 rearrange class heirarchy for tree_cell and tree_matrix John W. Eaton <jwe@octave.org> parents: 16210 diff changeset	3145 array_list->accept (tpc);
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3146
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3147 tc_retval->stash_original_text (buf.str ());
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3148
16237 70f465930546 rearrange class heirarchy for tree_cell and tree_matrix John W. Eaton <jwe@octave.org> parents: 16210 diff changeset	3149 delete array_list;
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3150
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3151 retval = tc_retval;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3152 }
1623 fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	3153 }
3110 fe2d1ae8926b [project @ 1997-11-21 02:11:19 by jwe] jwe parents: 3099 diff changeset	3154
1623 fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	3155 return retval;
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	3156 }
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe] jwe parents: 1607 diff changeset	3157
16237 70f465930546 rearrange class heirarchy for tree_cell and tree_matrix John W. Eaton <jwe@octave.org> parents: 16210 diff changeset	3158 // Finish building a matrix list.
70f465930546 rearrange class heirarchy for tree_cell and tree_matrix John W. Eaton <jwe@octave.org> parents: 16210 diff changeset	3159
70f465930546 rearrange class heirarchy for tree_cell and tree_matrix John W. Eaton <jwe@octave.org> parents: 16210 diff changeset	3160 tree_expression *
16287 04a7953496a7 create base class for parser; use reference for curr_lexer John W. Eaton <jwe@octave.org> parents: 16285 diff changeset	3161 octave_base_parser::finish_matrix (tree_matrix *m)
16237 70f465930546 rearrange class heirarchy for tree_cell and tree_matrix John W. Eaton <jwe@octave.org> parents: 16210 diff changeset	3162 {
16924 aebb54d99dba improve compatibility of parsing of matrices and cell arrays John W. Eaton <jwe@octave.org> parents: 16850 diff changeset	3163 return (m
aebb54d99dba improve compatibility of parsing of matrices and cell arrays John W. Eaton <jwe@octave.org> parents: 16850 diff changeset	3164 ? finish_array_list (m)
aebb54d99dba improve compatibility of parsing of matrices and cell arrays John W. Eaton <jwe@octave.org> parents: 16850 diff changeset	3165 : new tree_constant (octave_null_matrix::instance));
16237 70f465930546 rearrange class heirarchy for tree_cell and tree_matrix John W. Eaton <jwe@octave.org> parents: 16210 diff changeset	3166 }
70f465930546 rearrange class heirarchy for tree_cell and tree_matrix John W. Eaton <jwe@octave.org> parents: 16210 diff changeset	3167
3351 8623649c967c [project @ 1999-11-15 16:17:01 by jwe] jwe parents: 3347 diff changeset	3168 // Finish building a cell list.
8623649c967c [project @ 1999-11-15 16:17:01 by jwe] jwe parents: 3347 diff changeset	3169
16134 ec9c6222ef5a move static parser helper functions to octave_parser class John W. Eaton <jwe@octave.org> parents: 16133 diff changeset	3170 tree_expression *
16287 04a7953496a7 create base class for parser; use reference for curr_lexer John W. Eaton <jwe@octave.org> parents: 16285 diff changeset	3171 octave_base_parser::finish_cell (tree_cell *c)
3351 8623649c967c [project @ 1999-11-15 16:17:01 by jwe] jwe parents: 3347 diff changeset	3172 {
16924 aebb54d99dba improve compatibility of parsing of matrices and cell arrays John W. Eaton <jwe@octave.org> parents: 16850 diff changeset	3173 return (c
aebb54d99dba improve compatibility of parsing of matrices and cell arrays John W. Eaton <jwe@octave.org> parents: 16850 diff changeset	3174 ? finish_array_list (c)
aebb54d99dba improve compatibility of parsing of matrices and cell arrays John W. Eaton <jwe@octave.org> parents: 16850 diff changeset	3175 : new tree_constant (octave_value (Cell ())));
3351 8623649c967c [project @ 1999-11-15 16:17:01 by jwe] jwe parents: 3347 diff changeset	3176 }
8623649c967c [project @ 1999-11-15 16:17:01 by jwe] jwe parents: 3347 diff changeset	3177
16134 ec9c6222ef5a move static parser helper functions to octave_parser class John W. Eaton <jwe@octave.org> parents: 16133 diff changeset	3178 void
16287 04a7953496a7 create base class for parser; use reference for curr_lexer John W. Eaton <jwe@octave.org> parents: 16285 diff changeset	3179 octave_base_parser::maybe_warn_missing_semi (tree_statement_list *t)
1511 74f9e88a2c12 [project @ 1995-10-03 10:49:31 by jwe] jwe parents: 1491 diff changeset	3180 {
16153 a57c2c8c8163 move some variables into the octave_parser class John W. Eaton <jwe@octave.org> parents: 16151 diff changeset	3181 if (curr_fcn_depth > 0)
1511 74f9e88a2c12 [project @ 1995-10-03 10:49:31 by jwe] jwe parents: 1491 diff changeset	3182 {
14846 460a3c6d8bf1 maint: Use Octave coding convention for cuddled parenthis in function calls with empty argument lists. Rik <octave@nomad.inbox5.com> parents: 14584 diff changeset	3183 tree_statement *tmp = t->back ();
1607 795527e9db19 [project @ 1995-11-02 13:03:36 by jwe] jwe parents: 1588 diff changeset	3184
1511 74f9e88a2c12 [project @ 1995-10-03 10:49:31 by jwe] jwe parents: 1491 diff changeset	3185 if (tmp->is_expression ())
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3186 warning_with_id
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3187 ("Octave:missing-semicolon",
15466 d174210ce1ec use ' instead of ` in error messages, warnings and most comments John W. Eaton <jwe@octave.org> parents: 14189 diff changeset	3188 "missing semicolon near line %d, column %d in file '%s'",
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	3189 tmp->line (), tmp->column (), lexer.fcn_file_full_name.c_str ());
1511 74f9e88a2c12 [project @ 1995-10-03 10:49:31 by jwe] jwe parents: 1491 diff changeset	3190 }
74f9e88a2c12 [project @ 1995-10-03 10:49:31 by jwe] jwe parents: 1491 diff changeset	3191 }
1994 c2d20f365b84 [project @ 1996-03-03 01:19:32 by jwe] jwe parents: 1884 diff changeset	3192
16134 ec9c6222ef5a move static parser helper functions to octave_parser class John W. Eaton <jwe@octave.org> parents: 16133 diff changeset	3193 tree_statement_list *
16287 04a7953496a7 create base class for parser; use reference for curr_lexer John W. Eaton <jwe@octave.org> parents: 16285 diff changeset	3194 octave_base_parser::set_stmt_print_flag (tree_statement_list *list,
04a7953496a7 create base class for parser; use reference for curr_lexer John W. Eaton <jwe@octave.org> parents: 16285 diff changeset	3195 char sep, bool warn_missing_semi)
2525 8561d88be5f2 [project @ 1996-11-17 21:23:31 by jwe] jwe parents: 2524 diff changeset	3196 {
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	3197 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	3198
2525 8561d88be5f2 [project @ 1996-11-17 21:23:31 by jwe] jwe parents: 2524 diff changeset	3199 switch (sep)
8561d88be5f2 [project @ 1996-11-17 21:23:31 by jwe] jwe parents: 2524 diff changeset	3200 {
8561d88be5f2 [project @ 1996-11-17 21:23:31 by jwe] jwe parents: 2524 diff changeset	3201 case ';':
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: 8471 diff changeset	3202 tmp->set_print_flag (false);
2525 8561d88be5f2 [project @ 1996-11-17 21:23:31 by jwe] jwe parents: 2524 diff changeset	3203 break;
8561d88be5f2 [project @ 1996-11-17 21:23:31 by jwe] jwe parents: 2524 diff changeset	3204
8561d88be5f2 [project @ 1996-11-17 21:23:31 by jwe] jwe parents: 2524 diff changeset	3205 case 0:
8561d88be5f2 [project @ 1996-11-17 21:23:31 by jwe] jwe parents: 2524 diff changeset	3206 case ',':
8561d88be5f2 [project @ 1996-11-17 21:23:31 by jwe] jwe parents: 2524 diff changeset	3207 case '\n':
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: 8471 diff changeset	3208 tmp->set_print_flag (true);
2525 8561d88be5f2 [project @ 1996-11-17 21:23:31 by jwe] jwe parents: 2524 diff changeset	3209 if (warn_missing_semi)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3210 maybe_warn_missing_semi (list);
2525 8561d88be5f2 [project @ 1996-11-17 21:23:31 by jwe] jwe parents: 2524 diff changeset	3211 break;
8561d88be5f2 [project @ 1996-11-17 21:23:31 by jwe] jwe parents: 2524 diff changeset	3212
8561d88be5f2 [project @ 1996-11-17 21:23:31 by jwe] jwe parents: 2524 diff changeset	3213 default:
8561d88be5f2 [project @ 1996-11-17 21:23:31 by jwe] jwe parents: 2524 diff changeset	3214 warning ("unrecognized separator type!");
8561d88be5f2 [project @ 1996-11-17 21:23:31 by jwe] jwe parents: 2524 diff changeset	3215 break;
8561d88be5f2 [project @ 1996-11-17 21:23:31 by jwe] jwe parents: 2524 diff changeset	3216 }
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	3217
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	3218 // 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	3219 // 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	3220
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	3221 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	3222 {
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	3223 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	3224 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	3225 }
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	3226
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	3227 return list;
2525 8561d88be5f2 [project @ 1996-11-17 21:23:31 by jwe] jwe parents: 2524 diff changeset	3228 }
8561d88be5f2 [project @ 1996-11-17 21:23:31 by jwe] jwe parents: 2524 diff changeset	3229
16134 ec9c6222ef5a move static parser helper functions to octave_parser class John W. Eaton <jwe@octave.org> parents: 16133 diff changeset	3230 tree_statement_list *
16287 04a7953496a7 create base class for parser; use reference for curr_lexer John W. Eaton <jwe@octave.org> parents: 16285 diff changeset	3231 octave_base_parser::make_statement_list (tree_statement *stmt)
8448 d6c0d5f208de parse.y: avoid storing null statements in statement lists John W. Eaton <jwe@octave.org> parents: 8447 diff changeset	3232 {
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	3233 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	3234 }
d6c0d5f208de parse.y: avoid storing null statements in statement lists John W. Eaton <jwe@octave.org> parents: 8447 diff changeset	3235
16134 ec9c6222ef5a move static parser helper functions to octave_parser class John W. Eaton <jwe@octave.org> parents: 16133 diff changeset	3236 tree_statement_list *
16287 04a7953496a7 create base class for parser; use reference for curr_lexer John W. Eaton <jwe@octave.org> parents: 16285 diff changeset	3237 octave_base_parser::append_statement_list (tree_statement_list *list,
04a7953496a7 create base class for parser; use reference for curr_lexer John W. Eaton <jwe@octave.org> parents: 16285 diff changeset	3238 char sep, tree_statement *stmt,
04a7953496a7 create base class for parser; use reference for curr_lexer John W. Eaton <jwe@octave.org> parents: 16285 diff changeset	3239 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	3240 {
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	3241 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	3242
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	3243 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	3244
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	3245 return list;
8448 d6c0d5f208de parse.y: avoid storing null statements in statement lists John W. Eaton <jwe@octave.org> parents: 8447 diff changeset	3246 }
d6c0d5f208de parse.y: avoid storing null statements in statement lists John W. Eaton <jwe@octave.org> parents: 8447 diff changeset	3247
16145 edddf8903f15 maint: reorder functions in oct-parse.yy John W. Eaton <jwe@octave.org> parents: 16142 diff changeset	3248 void
16287 04a7953496a7 create base class for parser; use reference for curr_lexer John W. Eaton <jwe@octave.org> parents: 16285 diff changeset	3249 octave_base_parser::bison_error (const char *s)
16145 edddf8903f15 maint: reorder functions in oct-parse.yy John W. Eaton <jwe@octave.org> parents: 16142 diff changeset	3250 {
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	3251 int err_col = lexer.current_input_column - 1;
16145 edddf8903f15 maint: reorder functions in oct-parse.yy John W. Eaton <jwe@octave.org> parents: 16142 diff changeset	3252
edddf8903f15 maint: reorder functions in oct-parse.yy John W. Eaton <jwe@octave.org> parents: 16142 diff changeset	3253 std::ostringstream output_buf;
edddf8903f15 maint: reorder functions in oct-parse.yy John W. Eaton <jwe@octave.org> parents: 16142 diff changeset	3254
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	3255 if (lexer.reading_fcn_file \|\| lexer.reading_script_file \|\| lexer.reading_classdef_file)
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	3256 output_buf << "parse error near line " << lexer.input_line_number
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	3257 << " of file " << lexer.fcn_file_full_name;
16145 edddf8903f15 maint: reorder functions in oct-parse.yy John W. Eaton <jwe@octave.org> parents: 16142 diff changeset	3258 else
edddf8903f15 maint: reorder functions in oct-parse.yy John W. Eaton <jwe@octave.org> parents: 16142 diff changeset	3259 output_buf << "parse error:";
edddf8903f15 maint: reorder functions in oct-parse.yy John W. Eaton <jwe@octave.org> parents: 16142 diff changeset	3260
edddf8903f15 maint: reorder functions in oct-parse.yy John W. Eaton <jwe@octave.org> parents: 16142 diff changeset	3261 if (s && strcmp (s, "parse error") != 0)
edddf8903f15 maint: reorder functions in oct-parse.yy John W. Eaton <jwe@octave.org> parents: 16142 diff changeset	3262 output_buf << "\n\n " << s;
edddf8903f15 maint: reorder functions in oct-parse.yy John W. Eaton <jwe@octave.org> parents: 16142 diff changeset	3263
edddf8903f15 maint: reorder functions in oct-parse.yy John W. Eaton <jwe@octave.org> parents: 16142 diff changeset	3264 output_buf << "\n\n";
edddf8903f15 maint: reorder functions in oct-parse.yy John W. Eaton <jwe@octave.org> parents: 16142 diff changeset	3265
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	3266 std::string curr_line = lexer.current_input_line;
16207 0467d68ca891 move current_input_line to lexical_feedback class John W. Eaton <jwe@octave.org> parents: 16203 diff changeset	3267
0467d68ca891 move current_input_line to lexical_feedback class John W. Eaton <jwe@octave.org> parents: 16203 diff changeset	3268 if (! curr_line.empty ())
16145 edddf8903f15 maint: reorder functions in oct-parse.yy John W. Eaton <jwe@octave.org> parents: 16142 diff changeset	3269 {
16207 0467d68ca891 move current_input_line to lexical_feedback class John W. Eaton <jwe@octave.org> parents: 16203 diff changeset	3270 size_t len = curr_line.length ();
0467d68ca891 move current_input_line to lexical_feedback class John W. Eaton <jwe@octave.org> parents: 16203 diff changeset	3271
0467d68ca891 move current_input_line to lexical_feedback class John W. Eaton <jwe@octave.org> parents: 16203 diff changeset	3272 if (curr_line[len-1] == '\n')
0467d68ca891 move current_input_line to lexical_feedback class John W. Eaton <jwe@octave.org> parents: 16203 diff changeset	3273 curr_line.resize (len-1);
16145 edddf8903f15 maint: reorder functions in oct-parse.yy John W. Eaton <jwe@octave.org> parents: 16142 diff changeset	3274
edddf8903f15 maint: reorder functions in oct-parse.yy John W. Eaton <jwe@octave.org> parents: 16142 diff changeset	3275 // Print the line, maybe with a pointer near the error token.
edddf8903f15 maint: reorder functions in oct-parse.yy John W. Eaton <jwe@octave.org> parents: 16142 diff changeset	3276
16207 0467d68ca891 move current_input_line to lexical_feedback class John W. Eaton <jwe@octave.org> parents: 16203 diff changeset	3277 output_buf << ">>> " << curr_line << "\n";
16145 edddf8903f15 maint: reorder functions in oct-parse.yy John W. Eaton <jwe@octave.org> parents: 16142 diff changeset	3278
edddf8903f15 maint: reorder functions in oct-parse.yy John W. Eaton <jwe@octave.org> parents: 16142 diff changeset	3279 if (err_col == 0)
edddf8903f15 maint: reorder functions in oct-parse.yy John W. Eaton <jwe@octave.org> parents: 16142 diff changeset	3280 err_col = len;
edddf8903f15 maint: reorder functions in oct-parse.yy John W. Eaton <jwe@octave.org> parents: 16142 diff changeset	3281
edddf8903f15 maint: reorder functions in oct-parse.yy John W. Eaton <jwe@octave.org> parents: 16142 diff changeset	3282 for (int i = 0; i < err_col + 3; i++)
edddf8903f15 maint: reorder functions in oct-parse.yy John W. Eaton <jwe@octave.org> parents: 16142 diff changeset	3283 output_buf << " ";
edddf8903f15 maint: reorder functions in oct-parse.yy John W. Eaton <jwe@octave.org> parents: 16142 diff changeset	3284
edddf8903f15 maint: reorder functions in oct-parse.yy John W. Eaton <jwe@octave.org> parents: 16142 diff changeset	3285 output_buf << "^";
edddf8903f15 maint: reorder functions in oct-parse.yy John W. Eaton <jwe@octave.org> parents: 16142 diff changeset	3286 }
edddf8903f15 maint: reorder functions in oct-parse.yy John W. Eaton <jwe@octave.org> parents: 16142 diff changeset	3287
edddf8903f15 maint: reorder functions in oct-parse.yy John W. Eaton <jwe@octave.org> parents: 16142 diff changeset	3288 output_buf << "\n";
edddf8903f15 maint: reorder functions in oct-parse.yy John W. Eaton <jwe@octave.org> parents: 16142 diff changeset	3289
edddf8903f15 maint: reorder functions in oct-parse.yy John W. Eaton <jwe@octave.org> parents: 16142 diff changeset	3290 std::string msg = output_buf.str ();
edddf8903f15 maint: reorder functions in oct-parse.yy John W. Eaton <jwe@octave.org> parents: 16142 diff changeset	3291
edddf8903f15 maint: reorder functions in oct-parse.yy John W. Eaton <jwe@octave.org> parents: 16142 diff changeset	3292 parse_error ("%s", msg.c_str ());
edddf8903f15 maint: reorder functions in oct-parse.yy John W. Eaton <jwe@octave.org> parents: 16142 diff changeset	3293 }
edddf8903f15 maint: reorder functions in oct-parse.yy John W. Eaton <jwe@octave.org> parents: 16142 diff changeset	3294
16287 04a7953496a7 create base class for parser; use reference for curr_lexer John W. Eaton <jwe@octave.org> parents: 16285 diff changeset	3295 int
04a7953496a7 create base class for parser; use reference for curr_lexer John W. Eaton <jwe@octave.org> parents: 16285 diff changeset	3296 octave_parser::run (void)
04a7953496a7 create base class for parser; use reference for curr_lexer John W. Eaton <jwe@octave.org> parents: 16285 diff changeset	3297 {
04a7953496a7 create base class for parser; use reference for curr_lexer John W. Eaton <jwe@octave.org> parents: 16285 diff changeset	3298 return octave_parse (*this);
04a7953496a7 create base class for parser; use reference for curr_lexer John W. Eaton <jwe@octave.org> parents: 16285 diff changeset	3299 }
04a7953496a7 create base class for parser; use reference for curr_lexer John W. Eaton <jwe@octave.org> parents: 16285 diff changeset	3300
16294 0925d1f6875e push parser/lexer interface John W. Eaton <jwe@octave.org> parents: 16293 diff changeset	3301 octave_push_parser::~octave_push_parser (void)
0925d1f6875e push parser/lexer interface John W. Eaton <jwe@octave.org> parents: 16293 diff changeset	3302 {
0925d1f6875e push parser/lexer interface John W. Eaton <jwe@octave.org> parents: 16293 diff changeset	3303 yypstate_delete (static_cast<yypstate *> (parser_state));
0925d1f6875e push parser/lexer interface John W. Eaton <jwe@octave.org> parents: 16293 diff changeset	3304 }
0925d1f6875e push parser/lexer interface John W. Eaton <jwe@octave.org> parents: 16293 diff changeset	3305
0925d1f6875e push parser/lexer interface John W. Eaton <jwe@octave.org> parents: 16293 diff changeset	3306 void
0925d1f6875e push parser/lexer interface John W. Eaton <jwe@octave.org> parents: 16293 diff changeset	3307 octave_push_parser::init (void)
0925d1f6875e push parser/lexer interface John W. Eaton <jwe@octave.org> parents: 16293 diff changeset	3308 {
0925d1f6875e push parser/lexer interface John W. Eaton <jwe@octave.org> parents: 16293 diff changeset	3309 parser_state = yypstate_new ();
0925d1f6875e push parser/lexer interface John W. Eaton <jwe@octave.org> parents: 16293 diff changeset	3310
0925d1f6875e push parser/lexer interface John W. Eaton <jwe@octave.org> parents: 16293 diff changeset	3311 octave_base_parser::init ();
0925d1f6875e push parser/lexer interface John W. Eaton <jwe@octave.org> parents: 16293 diff changeset	3312 }
0925d1f6875e push parser/lexer interface John W. Eaton <jwe@octave.org> parents: 16293 diff changeset	3313
0925d1f6875e push parser/lexer interface John W. Eaton <jwe@octave.org> parents: 16293 diff changeset	3314 // Parse input from INPUT. Pass TRUE for EOF if the end of INPUT should
0925d1f6875e push parser/lexer interface John W. Eaton <jwe@octave.org> parents: 16293 diff changeset	3315 // finish the parse.
0925d1f6875e push parser/lexer interface John W. Eaton <jwe@octave.org> parents: 16293 diff changeset	3316
0925d1f6875e push parser/lexer interface John W. Eaton <jwe@octave.org> parents: 16293 diff changeset	3317 int
0925d1f6875e push parser/lexer interface John W. Eaton <jwe@octave.org> parents: 16293 diff changeset	3318 octave_push_parser::run (const std::string& input, bool eof)
0925d1f6875e push parser/lexer interface John W. Eaton <jwe@octave.org> parents: 16293 diff changeset	3319 {
0925d1f6875e push parser/lexer interface John W. Eaton <jwe@octave.org> parents: 16293 diff changeset	3320 int status = -1;
0925d1f6875e push parser/lexer interface John W. Eaton <jwe@octave.org> parents: 16293 diff changeset	3321
0925d1f6875e push parser/lexer interface John W. Eaton <jwe@octave.org> parents: 16293 diff changeset	3322 dynamic_cast<octave_push_lexer&> (lexer).append_input (input, eof);
0925d1f6875e push parser/lexer interface John W. Eaton <jwe@octave.org> parents: 16293 diff changeset	3323
0925d1f6875e push parser/lexer interface John W. Eaton <jwe@octave.org> parents: 16293 diff changeset	3324 do
0925d1f6875e push parser/lexer interface John W. Eaton <jwe@octave.org> parents: 16293 diff changeset	3325 {
0925d1f6875e push parser/lexer interface John W. Eaton <jwe@octave.org> parents: 16293 diff changeset	3326 YYSTYPE lval;
0925d1f6875e push parser/lexer interface John W. Eaton <jwe@octave.org> parents: 16293 diff changeset	3327
0925d1f6875e push parser/lexer interface John W. Eaton <jwe@octave.org> parents: 16293 diff changeset	3328 int token = octave_lex (&lval, scanner);
0925d1f6875e push parser/lexer interface John W. Eaton <jwe@octave.org> parents: 16293 diff changeset	3329
0925d1f6875e push parser/lexer interface John W. Eaton <jwe@octave.org> parents: 16293 diff changeset	3330 if (token < 0)
0925d1f6875e push parser/lexer interface John W. Eaton <jwe@octave.org> parents: 16293 diff changeset	3331 {
0925d1f6875e push parser/lexer interface John W. Eaton <jwe@octave.org> parents: 16293 diff changeset	3332 if (! eof && lexer.at_end_of_buffer ())
0925d1f6875e push parser/lexer interface John W. Eaton <jwe@octave.org> parents: 16293 diff changeset	3333 {
0925d1f6875e push parser/lexer interface John W. Eaton <jwe@octave.org> parents: 16293 diff changeset	3334 status = -1;
0925d1f6875e push parser/lexer interface John W. Eaton <jwe@octave.org> parents: 16293 diff changeset	3335 break;
0925d1f6875e push parser/lexer interface John W. Eaton <jwe@octave.org> parents: 16293 diff changeset	3336 }
0925d1f6875e push parser/lexer interface John W. Eaton <jwe@octave.org> parents: 16293 diff changeset	3337 }
0925d1f6875e push parser/lexer interface John W. Eaton <jwe@octave.org> parents: 16293 diff changeset	3338
0925d1f6875e push parser/lexer interface John W. Eaton <jwe@octave.org> parents: 16293 diff changeset	3339 yypstate pstate = static_cast<yypstate > (parser_state);
0925d1f6875e push parser/lexer interface John W. Eaton <jwe@octave.org> parents: 16293 diff changeset	3340
0925d1f6875e push parser/lexer interface John W. Eaton <jwe@octave.org> parents: 16293 diff changeset	3341 status = octave_push_parse (pstate, token, &lval, *this);
0925d1f6875e push parser/lexer interface John W. Eaton <jwe@octave.org> parents: 16293 diff changeset	3342 }
0925d1f6875e push parser/lexer interface John W. Eaton <jwe@octave.org> parents: 16293 diff changeset	3343 while (status == YYPUSH_MORE);
0925d1f6875e push parser/lexer interface John W. Eaton <jwe@octave.org> parents: 16293 diff changeset	3344
0925d1f6875e push parser/lexer interface John W. Eaton <jwe@octave.org> parents: 16293 diff changeset	3345 return status;
0925d1f6875e push parser/lexer interface John W. Eaton <jwe@octave.org> parents: 16293 diff changeset	3346 }
0925d1f6875e push parser/lexer interface John W. Eaton <jwe@octave.org> parents: 16293 diff changeset	3347
3021 18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	3348 static void
10067 6f79338c269b omission from last patch Jaroslav Hajek <highegg@gmail.com> parents: 9794 diff changeset	3349 safe_fclose (FILE *f)
3021 18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	3350 {
5775 ace8d8d26933 [project @ 2006-04-24 19:13:06 by jwe] jwe parents: 5774 diff changeset	3351 // 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	3352 // discarded (otherwise, they would be appended to the next
e10451597802 [project @ 2001-01-17 18:41:29 by jwe] jwe parents: 3726 diff changeset	3353 // 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	3354 // can be quite confusing).
e10451597802 [project @ 2001-01-17 18:41:29 by jwe] jwe parents: 3726 diff changeset	3355
5308 bc8d6ebb6ee1 [project @ 2005-04-27 05:08:19 by jwe] jwe parents: 5307 diff changeset	3356 octave_comment_list *tc = octave_comment_buffer::get_comment ();
bc8d6ebb6ee1 [project @ 2005-04-27 05:08:19 by jwe] jwe parents: 5307 diff changeset	3357
bc8d6ebb6ee1 [project @ 2005-04-27 05:08:19 by jwe] jwe parents: 5307 diff changeset	3358 delete tc;
3765 e10451597802 [project @ 2001-01-17 18:41:29 by jwe] jwe parents: 3726 diff changeset	3359
3021 18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	3360 if (f)
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	3361 fclose (static_cast<FILE *> (f));
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	3362 }
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	3363
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	3364 static octave_function *
16203 127cccb037bf move more global parser and lexer variables to classes John W. Eaton <jwe@octave.org> parents: 16199 diff changeset	3365 parse_fcn_file (const std::string& full_file, const std::string& file,
127cccb037bf move more global parser and lexer variables to classes John W. Eaton <jwe@octave.org> parents: 16199 diff changeset	3366 const std::string& dispatch_type,
16153 a57c2c8c8163 move some variables into the octave_parser class John W. Eaton <jwe@octave.org> parents: 16151 diff changeset	3367 bool require_file, bool force_script, bool autoload,
a57c2c8c8163 move some variables into the octave_parser class John W. Eaton <jwe@octave.org> parents: 16151 diff changeset	3368 bool relative_lookup, const std::string& warn_for)
3021 18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	3369 {
10067 6f79338c269b omission from last patch Jaroslav Hajek <highegg@gmail.com> parents: 9794 diff changeset	3370 unwind_protect frame;
3021 18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	3371
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	3372 octave_function *fcn_ptr = 0;
3021 18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	3373
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	3374 // Open function file and parse.
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	3375
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	3376 FILE *in_stream = command_editor::get_input_stream ();
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	3377
10067 6f79338c269b omission from last patch Jaroslav Hajek <highegg@gmail.com> parents: 9794 diff changeset	3378 frame.add_fcn (command_editor::set_input_stream, in_stream);
6f79338c269b omission from last patch Jaroslav Hajek <highegg@gmail.com> parents: 9794 diff changeset	3379
12989 00235a6446da eliminate duplication of internal variables controlling command history John W. Eaton <jwe@octave.org> parents: 12973 diff changeset	3380 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	3381 command_history::ignoring_entries ());
00235a6446da eliminate duplication of internal variables controlling command history John W. Eaton <jwe@octave.org> parents: 12973 diff changeset	3382
7715 5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7699 diff changeset	3383 command_history::ignore_entries ();
5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7699 diff changeset	3384
16198 2c5c538be353 clean up input.cc and eliminate ff_instream global variable John W. Eaton <jwe@octave.org> parents: 16195 diff changeset	3385 FILE *ffile = 0;
2c5c538be353 clean up input.cc and eliminate ff_instream global variable John W. Eaton <jwe@octave.org> parents: 16195 diff changeset	3386
16203 127cccb037bf move more global parser and lexer variables to classes John W. Eaton <jwe@octave.org> parents: 16199 diff changeset	3387 if (! full_file.empty ())
127cccb037bf move more global parser and lexer variables to classes John W. Eaton <jwe@octave.org> parents: 16199 diff changeset	3388 ffile = gnulib::fopen (full_file.c_str (), "rb");
3021 18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	3389
10067 6f79338c269b omission from last patch Jaroslav Hajek <highegg@gmail.com> parents: 9794 diff changeset	3390 frame.add_fcn (safe_fclose, ffile);
3021 18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	3391
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	3392 if (ffile)
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	3393 {
16287 04a7953496a7 create base class for parser; use reference for curr_lexer John W. Eaton <jwe@octave.org> parents: 16285 diff changeset	3394 // octave_base_parser constructor sets this for us.
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	3395 frame.protect_var (LEXER);
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	3396
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	3397 octave_parser parser (ffile);
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	3398
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	3399 parser.curr_class_name = dispatch_type;
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	3400 parser.autoloading = autoload;
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	3401 parser.fcn_file_from_relative_lookup = relative_lookup;
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	3402
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	3403 parser.lexer.force_script = force_script;
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	3404 parser.lexer.prep_for_file ();
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	3405 parser.lexer.parsing_class_method = ! dispatch_type.empty ();
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	3406
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	3407 parser.lexer.fcn_file_name = file;
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	3408 parser.lexer.fcn_file_full_name = full_file;
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	3409
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	3410 int status = parser.run ();
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	3411
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	3412 fcn_ptr = parser.primary_fcn_ptr;
16203 127cccb037bf move more global parser and lexer variables to classes John W. Eaton <jwe@octave.org> parents: 16199 diff changeset	3413
16627 de91b1621260 adjust location of eof marker for files with subfunctions but no explicit end statements John W. Eaton <jwe@octave.org> parents: 16574 diff changeset	3414 if (fcn_ptr)
de91b1621260 adjust location of eof marker for files with subfunctions but no explicit end statements John W. Eaton <jwe@octave.org> parents: 16574 diff changeset	3415 {
de91b1621260 adjust location of eof marker for files with subfunctions but no explicit end statements John W. Eaton <jwe@octave.org> parents: 16574 diff changeset	3416 fcn_ptr->maybe_relocate_end ();
de91b1621260 adjust location of eof marker for files with subfunctions but no explicit end statements John W. Eaton <jwe@octave.org> parents: 16574 diff changeset	3417
de91b1621260 adjust location of eof marker for files with subfunctions but no explicit end statements John W. Eaton <jwe@octave.org> parents: 16574 diff changeset	3418 if (parser.parsing_subfunctions)
de91b1621260 adjust location of eof marker for files with subfunctions but no explicit end statements John W. Eaton <jwe@octave.org> parents: 16574 diff changeset	3419 {
de91b1621260 adjust location of eof marker for files with subfunctions but no explicit end statements John W. Eaton <jwe@octave.org> parents: 16574 diff changeset	3420 if (! parser.endfunction_found)
de91b1621260 adjust location of eof marker for files with subfunctions but no explicit end statements John W. Eaton <jwe@octave.org> parents: 16574 diff changeset	3421 parser.subfunction_names.reverse ();
de91b1621260 adjust location of eof marker for files with subfunctions but no explicit end statements John W. Eaton <jwe@octave.org> parents: 16574 diff changeset	3422
de91b1621260 adjust location of eof marker for files with subfunctions but no explicit end statements John W. Eaton <jwe@octave.org> parents: 16574 diff changeset	3423 fcn_ptr->stash_subfunction_names (parser.subfunction_names);
de91b1621260 adjust location of eof marker for files with subfunctions but no explicit end statements John W. Eaton <jwe@octave.org> parents: 16574 diff changeset	3424 }
de91b1621260 adjust location of eof marker for files with subfunctions but no explicit end statements John W. Eaton <jwe@octave.org> parents: 16574 diff changeset	3425 }
de91b1621260 adjust location of eof marker for files with subfunctions but no explicit end statements John W. Eaton <jwe@octave.org> parents: 16574 diff changeset	3426
16203 127cccb037bf move more global parser and lexer variables to classes John W. Eaton <jwe@octave.org> parents: 16199 diff changeset	3427 if (status != 0)
127cccb037bf move more global parser and lexer variables to classes John W. Eaton <jwe@octave.org> parents: 16199 diff changeset	3428 error ("parse error while reading file %s", full_file.c_str ());
3021 18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	3429 }
7715 5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7699 diff changeset	3430 else if (require_file)
16203 127cccb037bf move more global parser and lexer variables to classes John W. Eaton <jwe@octave.org> parents: 16199 diff changeset	3431 error ("no such file, '%s'", full_file.c_str ());
7715 5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7699 diff changeset	3432 else if (! warn_for.empty ())
16203 127cccb037bf move more global parser and lexer variables to classes John W. Eaton <jwe@octave.org> parents: 16199 diff changeset	3433 error ("%s: unable to open file '%s'", warn_for.c_str (),
127cccb037bf move more global parser and lexer variables to classes John W. Eaton <jwe@octave.org> parents: 16199 diff changeset	3434 full_file.c_str ());
3021 18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	3435
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	3436 return fcn_ptr;
3021 18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	3437 }
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	3438
5484 2ff5363a16bd [project @ 2005-10-06 17:12:12 by jwe] jwe parents: 5472 diff changeset	3439 std::string
7715 5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7699 diff changeset	3440 get_help_from_file (const std::string& nm, bool& symbol_found,
16203 127cccb037bf move more global parser and lexer variables to classes John W. Eaton <jwe@octave.org> parents: 16199 diff changeset	3441 std::string& full_file)
7715 5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7699 diff changeset	3442 {
5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7699 diff changeset	3443 std::string retval;
5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7699 diff changeset	3444
16203 127cccb037bf move more global parser and lexer variables to classes John W. Eaton <jwe@octave.org> parents: 16199 diff changeset	3445 full_file = fcn_file_in_path (nm);
127cccb037bf move more global parser and lexer variables to classes John W. Eaton <jwe@octave.org> parents: 16199 diff changeset	3446
127cccb037bf move more global parser and lexer variables to classes John W. Eaton <jwe@octave.org> parents: 16199 diff changeset	3447 std::string file = full_file;
127cccb037bf move more global parser and lexer variables to classes John W. Eaton <jwe@octave.org> parents: 16199 diff changeset	3448
127cccb037bf move more global parser and lexer variables to classes John W. Eaton <jwe@octave.org> parents: 16199 diff changeset	3449 size_t file_len = file.length ();
127cccb037bf move more global parser and lexer variables to classes John W. Eaton <jwe@octave.org> parents: 16199 diff changeset	3450
127cccb037bf move more global parser and lexer variables to classes John W. Eaton <jwe@octave.org> parents: 16199 diff changeset	3451 if ((file_len > 4 && file.substr (file_len-4) == ".oct")
127cccb037bf move more global parser and lexer variables to classes John W. Eaton <jwe@octave.org> parents: 16199 diff changeset	3452 \|\| (file_len > 4 && file.substr (file_len-4) == ".mex")
127cccb037bf move more global parser and lexer variables to classes John W. Eaton <jwe@octave.org> parents: 16199 diff changeset	3453 \|\| (file_len > 2 && file.substr (file_len-2) == ".m"))
127cccb037bf move more global parser and lexer variables to classes John W. Eaton <jwe@octave.org> parents: 16199 diff changeset	3454 {
127cccb037bf move more global parser and lexer variables to classes John W. Eaton <jwe@octave.org> parents: 16199 diff changeset	3455 file = octave_env::base_pathname (file);
127cccb037bf move more global parser and lexer variables to classes John W. Eaton <jwe@octave.org> parents: 16199 diff changeset	3456 file = file.substr (0, file.find_last_of ('.'));
127cccb037bf move more global parser and lexer variables to classes John W. Eaton <jwe@octave.org> parents: 16199 diff changeset	3457
127cccb037bf move more global parser and lexer variables to classes John W. Eaton <jwe@octave.org> parents: 16199 diff changeset	3458 size_t pos = file.find_last_of (file_ops::dir_sep_str ());
127cccb037bf move more global parser and lexer variables to classes John W. Eaton <jwe@octave.org> parents: 16199 diff changeset	3459 if (pos != std::string::npos)
127cccb037bf move more global parser and lexer variables to classes John W. Eaton <jwe@octave.org> parents: 16199 diff changeset	3460 file = file.substr (pos+1);
127cccb037bf move more global parser and lexer variables to classes John W. Eaton <jwe@octave.org> parents: 16199 diff changeset	3461 }
7715 5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7699 diff changeset	3462
5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7699 diff changeset	3463 if (! file.empty ())
5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7699 diff changeset	3464 {
5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7699 diff changeset	3465 symbol_found = true;
5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7699 diff changeset	3466
16203 127cccb037bf move more global parser and lexer variables to classes John W. Eaton <jwe@octave.org> parents: 16199 diff changeset	3467 octave_function *fcn
127cccb037bf move more global parser and lexer variables to classes John W. Eaton <jwe@octave.org> parents: 16199 diff changeset	3468 = parse_fcn_file (full_file, file, "", true, false, false, false, "");
127cccb037bf move more global parser and lexer variables to classes John W. Eaton <jwe@octave.org> parents: 16199 diff changeset	3469
127cccb037bf move more global parser and lexer variables to classes John W. Eaton <jwe@octave.org> parents: 16199 diff changeset	3470 if (fcn)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3471 {
16203 127cccb037bf move more global parser and lexer variables to classes John W. Eaton <jwe@octave.org> parents: 16199 diff changeset	3472 retval = fcn->doc_string ();
127cccb037bf move more global parser and lexer variables to classes John W. Eaton <jwe@octave.org> parents: 16199 diff changeset	3473
127cccb037bf move more global parser and lexer variables to classes John W. Eaton <jwe@octave.org> parents: 16199 diff changeset	3474 delete fcn;
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3475 }
7715 5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7699 diff changeset	3476 }
5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7699 diff changeset	3477
5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7699 diff changeset	3478 return retval;
5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7699 diff changeset	3479 }
5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7699 diff changeset	3480
5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7699 diff changeset	3481 std::string
5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7699 diff changeset	3482 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	3483 {
5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7699 diff changeset	3484 std::string file;
5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7699 diff changeset	3485 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	3486 }
5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7699 diff changeset	3487
5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7699 diff changeset	3488 std::string
5484 2ff5363a16bd [project @ 2005-10-06 17:12:12 by jwe] jwe parents: 5472 diff changeset	3489 lookup_autoload (const std::string& nm)
2ff5363a16bd [project @ 2005-10-06 17:12:12 by jwe] jwe parents: 5472 diff changeset	3490 {
5626 3236b4d98fde [project @ 2006-02-15 20:25:39 by jwe] jwe parents: 5615 diff changeset	3491 std::string retval;
3236b4d98fde [project @ 2006-02-15 20:25:39 by jwe] jwe parents: 5615 diff changeset	3492
3236b4d98fde [project @ 2006-02-15 20:25:39 by jwe] jwe parents: 5615 diff changeset	3493 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	3494
3236b4d98fde [project @ 2006-02-15 20:25:39 by jwe] jwe parents: 5615 diff changeset	3495 am_iter p = autoload_map.find (nm);
3236b4d98fde [project @ 2006-02-15 20:25:39 by jwe] jwe parents: 5615 diff changeset	3496
3236b4d98fde [project @ 2006-02-15 20:25:39 by jwe] jwe parents: 5615 diff changeset	3497 if (p != autoload_map.end ())
6323 ea65de49e18e [project @ 2007-02-17 02:51:02 by jwe] jwe parents: 6238 diff changeset	3498 retval = load_path::find_file (p->second);
5626 3236b4d98fde [project @ 2006-02-15 20:25:39 by jwe] jwe parents: 5615 diff changeset	3499
3236b4d98fde [project @ 2006-02-15 20:25:39 by jwe] jwe parents: 5615 diff changeset	3500 return retval;
5484 2ff5363a16bd [project @ 2005-10-06 17:12:12 by jwe] jwe parents: 5472 diff changeset	3501 }
2ff5363a16bd [project @ 2005-10-06 17:12:12 by jwe] jwe parents: 5472 diff changeset	3502
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11572 diff changeset	3503 string_vector
5592 61d6cebd243b [project @ 2006-01-12 17:55:22 by dbateman] dbateman parents: 5484 diff changeset	3504 autoloaded_functions (void)
61d6cebd243b [project @ 2006-01-12 17:55:22 by dbateman] dbateman parents: 5484 diff changeset	3505 {
14846 460a3c6d8bf1 maint: Use Octave coding convention for cuddled parenthis in function calls with empty argument lists. Rik <octave@nomad.inbox5.com> parents: 14584 diff changeset	3506 string_vector names (autoload_map.size ());
5592 61d6cebd243b [project @ 2006-01-12 17:55:22 by dbateman] dbateman parents: 5484 diff changeset	3507
61d6cebd243b [project @ 2006-01-12 17:55:22 by dbateman] dbateman parents: 5484 diff changeset	3508 octave_idx_type i = 0;
5626 3236b4d98fde [project @ 2006-02-15 20:25:39 by jwe] jwe parents: 5615 diff changeset	3509 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	3510 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	3511 names[i++] = p->first;
61d6cebd243b [project @ 2006-01-12 17:55:22 by dbateman] dbateman parents: 5484 diff changeset	3512
61d6cebd243b [project @ 2006-01-12 17:55:22 by dbateman] dbateman parents: 5484 diff changeset	3513 return names;
61d6cebd243b [project @ 2006-01-12 17:55:22 by dbateman] dbateman parents: 5484 diff changeset	3514 }
61d6cebd243b [project @ 2006-01-12 17:55:22 by dbateman] dbateman parents: 5484 diff changeset	3515
61d6cebd243b [project @ 2006-01-12 17:55:22 by dbateman] dbateman parents: 5484 diff changeset	3516 string_vector
61d6cebd243b [project @ 2006-01-12 17:55:22 by dbateman] dbateman parents: 5484 diff changeset	3517 reverse_lookup_autoload (const std::string& nm)
61d6cebd243b [project @ 2006-01-12 17:55:22 by dbateman] dbateman parents: 5484 diff changeset	3518 {
61d6cebd243b [project @ 2006-01-12 17:55:22 by dbateman] dbateman parents: 5484 diff changeset	3519 string_vector names;
61d6cebd243b [project @ 2006-01-12 17:55:22 by dbateman] dbateman parents: 5484 diff changeset	3520
5626 3236b4d98fde [project @ 2006-02-15 20:25:39 by jwe] jwe parents: 5615 diff changeset	3521 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	3522 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	3523 if (nm == p->second)
61d6cebd243b [project @ 2006-01-12 17:55:22 by dbateman] dbateman parents: 5484 diff changeset	3524 names.append (p->first);
61d6cebd243b [project @ 2006-01-12 17:55:22 by dbateman] dbateman parents: 5484 diff changeset	3525
61d6cebd243b [project @ 2006-01-12 17:55:22 by dbateman] dbateman parents: 5484 diff changeset	3526 return names;
61d6cebd243b [project @ 2006-01-12 17:55:22 by dbateman] dbateman parents: 5484 diff changeset	3527 }
61d6cebd243b [project @ 2006-01-12 17:55:22 by dbateman] dbateman parents: 5484 diff changeset	3528
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	3529 octave_function *
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	3530 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	3531 const std::string& dispatch_type,
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3532 const std::string& fcn_name, bool autoload)
3021 18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	3533 {
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	3534 octave_function *retval = 0;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	3535
10067 6f79338c269b omission from last patch Jaroslav Hajek <highegg@gmail.com> parents: 9794 diff changeset	3536 unwind_protect frame;
5484 2ff5363a16bd [project @ 2005-10-06 17:12:12 by jwe] jwe parents: 5472 diff changeset	3537
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	3538 std::string nm = file_name;
6238 3ecd8d2c5654 [project @ 2007-01-10 21:13:21 by jwe] jwe parents: 6235 diff changeset	3539
3ecd8d2c5654 [project @ 2007-01-10 21:13:21 by jwe] jwe parents: 6235 diff changeset	3540 size_t nm_len = nm.length ();
5472 e2f85b298a74 [project @ 2005-09-23 21:10:36 by jwe] jwe parents: 5400 diff changeset	3541
e2f85b298a74 [project @ 2005-09-23 21:10:36 by jwe] jwe parents: 5400 diff changeset	3542 std::string file;
e2f85b298a74 [project @ 2005-09-23 21:10:36 by jwe] jwe parents: 5400 diff changeset	3543
16153 a57c2c8c8163 move some variables into the octave_parser class John W. Eaton <jwe@octave.org> parents: 16151 diff changeset	3544 bool relative_lookup = false;
6323 ea65de49e18e [project @ 2007-02-17 02:51:02 by jwe] jwe parents: 6238 diff changeset	3545
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	3546 file = nm;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	3547
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	3548 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	3549 \|\| (nm_len > 4 && nm.substr (nm_len-4) == ".mex")
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	3550 \|\| (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	3551 {
6238 3ecd8d2c5654 [project @ 2007-01-10 21:13:21 by jwe] jwe parents: 6235 diff changeset	3552 nm = octave_env::base_pathname (file);
3ecd8d2c5654 [project @ 2007-01-10 21:13:21 by jwe] jwe parents: 6235 diff changeset	3553 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	3554
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	3555 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	3556 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	3557 nm = nm.substr (pos+1);
5472 e2f85b298a74 [project @ 2005-09-23 21:10:36 by jwe] jwe parents: 5400 diff changeset	3558 }
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	3559
16153 a57c2c8c8163 move some variables into the octave_parser class John W. Eaton <jwe@octave.org> parents: 16151 diff changeset	3560 relative_lookup = ! octave_env::absolute_pathname (file);
7749 14e05160b99f reference counting for functions loaded from shared libraries John W. Eaton <jwe@octave.org> parents: 7736 diff changeset	3561
10250 2d47356a7a1a use gnulib getcwd module John W. Eaton <jwe@octave.org> parents: 10230 diff changeset	3562 file = octave_env::make_absolute (file);
4243 7e4d5b5520e5 [project @ 2002-12-27 05:30:59 by jwe] jwe parents: 4240 diff changeset	3563
7e4d5b5520e5 [project @ 2002-12-27 05:30:59 by jwe] jwe parents: 4240 diff changeset	3564 int len = file.length ();
7e4d5b5520e5 [project @ 2002-12-27 05:30:59 by jwe] jwe parents: 4240 diff changeset	3565
4244 189df16144fc [project @ 2002-12-28 02:00:05 by jwe] jwe parents: 4243 diff changeset	3566 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	3567 {
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	3568 if (autoload && ! fcn_name.empty ())
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3569 nm = fcn_name;
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	3570
16153 a57c2c8c8163 move some variables into the octave_parser class John W. Eaton <jwe@octave.org> parents: 16151 diff changeset	3571 retval = octave_dynamic_loader::load_oct (nm, file, relative_lookup);
5864 e884ab4f29ee [project @ 2006-06-22 00:57:27 by jwe] jwe parents: 5861 diff changeset	3572 }
e884ab4f29ee [project @ 2006-06-22 00:57:27 by jwe] jwe parents: 5861 diff changeset	3573 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	3574 {
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	3575 // 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	3576 // 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	3577
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11572 diff changeset	3578 octave_function *tmpfcn = parse_fcn_file (file.substr (0, len - 2),
16203 127cccb037bf move more global parser and lexer variables to classes John W. Eaton <jwe@octave.org> parents: 16199 diff changeset	3579 nm, dispatch_type, false,
16153 a57c2c8c8163 move some variables into the octave_parser class John W. Eaton <jwe@octave.org> parents: 16151 diff changeset	3580 autoload, autoload,
a57c2c8c8163 move some variables into the octave_parser class John W. Eaton <jwe@octave.org> parents: 16151 diff changeset	3581 relative_lookup, "");
a57c2c8c8163 move some variables into the octave_parser class John W. Eaton <jwe@octave.org> parents: 16151 diff changeset	3582
a57c2c8c8163 move some variables into the octave_parser class John W. Eaton <jwe@octave.org> parents: 16151 diff changeset	3583 retval = octave_dynamic_loader::load_mex (nm, file, relative_lookup);
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	3584
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	3585 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	3586 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	3587 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	3588 }
4244 189df16144fc [project @ 2002-12-28 02:00:05 by jwe] jwe parents: 4243 diff changeset	3589 else if (len > 2)
3021 18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	3590 {
16203 127cccb037bf move more global parser and lexer variables to classes John W. Eaton <jwe@octave.org> parents: 16199 diff changeset	3591 retval = parse_fcn_file (file, nm, dispatch_type, true, autoload,
16153 a57c2c8c8163 move some variables into the octave_parser class John W. Eaton <jwe@octave.org> parents: 16151 diff changeset	3592 autoload, relative_lookup, "");
3021 18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	3593 }
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	3594
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	3595 if (retval)
8819 96d87674b818 also stash directory name for subfunctions John W. Eaton <jwe@octave.org> parents: 8812 diff changeset	3596 {
96d87674b818 also stash directory name for subfunctions John W. Eaton <jwe@octave.org> parents: 8812 diff changeset	3597 retval->stash_dir_name (dir_name);
96d87674b818 also stash directory name for subfunctions John W. Eaton <jwe@octave.org> parents: 8812 diff changeset	3598
96d87674b818 also stash directory name for subfunctions John W. Eaton <jwe@octave.org> parents: 8812 diff changeset	3599 if (retval->is_user_function ())
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3600 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3601 symbol_table::scope_id id = retval->scope ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3602
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3603 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	3604 }
8819 96d87674b818 also stash directory name for subfunctions John W. Eaton <jwe@octave.org> parents: 8812 diff changeset	3605 }
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	3606
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	3607 return retval;
5312 80c1aa832cb2 [project @ 2005-04-28 01:54:46 by jwe] jwe parents: 5309 diff changeset	3608 }
80c1aa832cb2 [project @ 2005-04-28 01:54:46 by jwe] jwe parents: 5309 diff changeset	3609
8746 5dd06f19e9be handle commands in the lexer John W. Eaton <jwe@octave.org> parents: 8745 diff changeset	3610 DEFUN (autoload, args, ,
5484 2ff5363a16bd [project @ 2005-10-06 17:12:12 by jwe] jwe parents: 5472 diff changeset	3611 "-- texinfo --\n\
17170 d6499c14021c doc: Periodic grammarcheck of documentation. Rik <rik@octave.org> parents: 16924 diff changeset	3612 @deftypefn {Built-in Function} {} autoload (@var{function}, @var{file})\n\
16848 77c8aae15908 accept remove option for autoload Juan Pablo Carbajal <ajuanpi+dev@gmail.com> parents: 16789 diff changeset	3613 @deftypefnx {Built-in Function} {} autoload (@dots{}, @asis{\"remove\"})\n\
5484 2ff5363a16bd [project @ 2005-10-06 17:12:12 by jwe] jwe parents: 5472 diff changeset	3614 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	3615 \n\
6926 c05fbb1b7e1f [project @ 2007-09-26 19:56:54 by dbateman] dbateman parents: 6657 diff changeset	3616 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	3617 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	3618 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	3619 Octave load path.\n\
6380 ac3d67504f85 [project @ 2007-03-02 22:08:06 by jwe] jwe parents: 6379 diff changeset	3620 \n\
ac3d67504f85 [project @ 2007-03-02 22:08:06 by jwe] jwe parents: 6379 diff changeset	3621 Normally, calls to @code{autoload} appear in PKG_ADD script files that\n\
16789 2f63d2f3ff11 doc: Update docstrings in oct-parse.in.yy. Rik <rik@octave.org> parents: 16681 diff changeset	3622 are evaluated when a directory is added to Octave's load path. To\n\
6926 c05fbb1b7e1f [project @ 2007-09-26 19:56:54 by dbateman] dbateman parents: 6657 diff changeset	3623 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	3624 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	3625 \n\
ac3d67504f85 [project @ 2007-03-02 22:08:06 by jwe] jwe parents: 6379 diff changeset	3626 @example\n\
6926 c05fbb1b7e1f [project @ 2007-09-26 19:56:54 by dbateman] dbateman parents: 6657 diff changeset	3627 autoload (\"foo\", \"bar.oct\");\n\
6380 ac3d67504f85 [project @ 2007-03-02 22:08:06 by jwe] jwe parents: 6379 diff changeset	3628 @end example\n\
ac3d67504f85 [project @ 2007-03-02 22:08:06 by jwe] jwe parents: 6379 diff changeset	3629 \n\
11572 7d6d8c1e471f Grammarcheck Texinfo for files in src directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	3630 @noindent\n\
9038 fca0dc2fb042 Cleanup documentation files stmt.texi and func.texi Rik <rdrider0-list@yahoo.com> parents: 8974 diff changeset	3631 will load the function @code{foo} from the file @code{bar.oct}. The above\n\
16789 2f63d2f3ff11 doc: Update docstrings in oct-parse.in.yy. Rik <rik@octave.org> parents: 16681 diff changeset	3632 usage when @code{bar.oct} is not in the same directory or usages such as\n\
6380 ac3d67504f85 [project @ 2007-03-02 22:08:06 by jwe] jwe parents: 6379 diff changeset	3633 \n\
ac3d67504f85 [project @ 2007-03-02 22:08:06 by jwe] jwe parents: 6379 diff changeset	3634 @example\n\
6637 c18ed0e7ee41 [project @ 2007-05-21 19:12:46 by jwe] jwe parents: 6431 diff changeset	3635 autoload (\"foo\", file_in_loadpath (\"bar.oct\"))\n\
6380 ac3d67504f85 [project @ 2007-03-02 22:08:06 by jwe] jwe parents: 6379 diff changeset	3636 @end example\n\
ac3d67504f85 [project @ 2007-03-02 22:08:06 by jwe] jwe parents: 6379 diff changeset	3637 \n\
ac3d67504f85 [project @ 2007-03-02 22:08:06 by jwe] jwe parents: 6379 diff changeset	3638 @noindent\n\
16789 2f63d2f3ff11 doc: Update docstrings in oct-parse.in.yy. Rik <rik@octave.org> parents: 16681 diff changeset	3639 are strongly discouraged, as their behavior may be unpredictable.\n\
6380 ac3d67504f85 [project @ 2007-03-02 22:08:06 by jwe] jwe parents: 6379 diff changeset	3640 \n\
6637 c18ed0e7ee41 [project @ 2007-05-21 19:12:46 by jwe] jwe parents: 6431 diff changeset	3641 With no arguments, return a structure containing the current autoload map.\n\
16848 77c8aae15908 accept remove option for autoload Juan Pablo Carbajal <ajuanpi+dev@gmail.com> parents: 16789 diff changeset	3642 \n\
77c8aae15908 accept remove option for autoload Juan Pablo Carbajal <ajuanpi+dev@gmail.com> parents: 16789 diff changeset	3643 If a third argument @asis{'remove'} is given, the function is cleared and\n\
77c8aae15908 accept remove option for autoload Juan Pablo Carbajal <ajuanpi+dev@gmail.com> parents: 16789 diff changeset	3644 not loaded anymore during the current Octave session.\n\
77c8aae15908 accept remove option for autoload Juan Pablo Carbajal <ajuanpi+dev@gmail.com> parents: 16789 diff changeset	3645 \n\
6380 ac3d67504f85 [project @ 2007-03-02 22:08:06 by jwe] jwe parents: 6379 diff changeset	3646 @seealso{PKG_ADD}\n\
5484 2ff5363a16bd [project @ 2005-10-06 17:12:12 by jwe] jwe parents: 5472 diff changeset	3647 @end deftypefn")
2ff5363a16bd [project @ 2005-10-06 17:12:12 by jwe] jwe parents: 5472 diff changeset	3648 {
5626 3236b4d98fde [project @ 2006-02-15 20:25:39 by jwe] jwe parents: 5615 diff changeset	3649 octave_value retval;
5484 2ff5363a16bd [project @ 2005-10-06 17:12:12 by jwe] jwe parents: 5472 diff changeset	3650
2ff5363a16bd [project @ 2005-10-06 17:12:12 by jwe] jwe parents: 5472 diff changeset	3651 int nargin = args.length ();
2ff5363a16bd [project @ 2005-10-06 17:12:12 by jwe] jwe parents: 5472 diff changeset	3652
5626 3236b4d98fde [project @ 2006-02-15 20:25:39 by jwe] jwe parents: 5615 diff changeset	3653 if (nargin == 0)
3236b4d98fde [project @ 2006-02-15 20:25:39 by jwe] jwe parents: 5615 diff changeset	3654 {
10350 12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10315 diff changeset	3655 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	3656 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	3657
3236b4d98fde [project @ 2006-02-15 20:25:39 by jwe] jwe parents: 5615 diff changeset	3658 octave_idx_type i = 0;
3236b4d98fde [project @ 2006-02-15 20:25:39 by jwe] jwe parents: 5615 diff changeset	3659 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	3660 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	3661 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3662 func_names(i) = p->first;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3663 file_names(i) = p->second;
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 i++;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3666 }
5626 3236b4d98fde [project @ 2006-02-15 20:25:39 by jwe] jwe parents: 5615 diff changeset	3667
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	3668 octave_map m;
5626 3236b4d98fde [project @ 2006-02-15 20:25:39 by jwe] jwe parents: 5615 diff changeset	3669
3236b4d98fde [project @ 2006-02-15 20:25:39 by jwe] jwe parents: 5615 diff changeset	3670 m.assign ("function", func_names);
3236b4d98fde [project @ 2006-02-15 20:25:39 by jwe] jwe parents: 5615 diff changeset	3671 m.assign ("file", file_names);
3236b4d98fde [project @ 2006-02-15 20:25:39 by jwe] jwe parents: 5615 diff changeset	3672
3236b4d98fde [project @ 2006-02-15 20:25:39 by jwe] jwe parents: 5615 diff changeset	3673 retval = m;
3236b4d98fde [project @ 2006-02-15 20:25:39 by jwe] jwe parents: 5615 diff changeset	3674 }
16848 77c8aae15908 accept remove option for autoload Juan Pablo Carbajal <ajuanpi+dev@gmail.com> parents: 16789 diff changeset	3675 else if (nargin == 2 \|\| nargin == 3)
5484 2ff5363a16bd [project @ 2005-10-06 17:12:12 by jwe] jwe parents: 5472 diff changeset	3676 {
2ff5363a16bd [project @ 2005-10-06 17:12:12 by jwe] jwe parents: 5472 diff changeset	3677 string_vector argv = args.make_argv ("autoload");
2ff5363a16bd [project @ 2005-10-06 17:12:12 by jwe] jwe parents: 5472 diff changeset	3678
2ff5363a16bd [project @ 2005-10-06 17:12:12 by jwe] jwe parents: 5472 diff changeset	3679 if (! error_state)
6380 ac3d67504f85 [project @ 2007-03-02 22:08:06 by jwe] jwe parents: 6379 diff changeset	3680 {
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3681 std::string nm = argv[2];
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3682
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3683 if (! octave_env::absolute_pathname (nm))
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3684 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3685 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	3686
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3687 bool found = false;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3688
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3689 if (fcn)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3690 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3691 std::string fname = fcn->fcn_file_name ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3692
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3693 if (! fname.empty ())
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3694 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3695 fname = octave_env::make_absolute (fname);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3696 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	3697
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3698 file_stat fs (fname + nm);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3699
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3700 if (fs.exists ())
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3701 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3702 nm = fname + nm;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3703 found = true;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3704 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3705 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3706 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3707 if (! found)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3708 warning_with_id ("Octave:autoload-relative-file-name",
15466 d174210ce1ec use ' instead of ` in error messages, warnings and most comments John W. Eaton <jwe@octave.org> parents: 14189 diff changeset	3709 "autoload: '%s' is not an absolute file name",
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3710 nm.c_str ());
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3711 }
16848 77c8aae15908 accept remove option for autoload Juan Pablo Carbajal <ajuanpi+dev@gmail.com> parents: 16789 diff changeset	3712 if (nargin == 2)
77c8aae15908 accept remove option for autoload Juan Pablo Carbajal <ajuanpi+dev@gmail.com> parents: 16789 diff changeset	3713 autoload_map[argv[1]] = nm;
77c8aae15908 accept remove option for autoload Juan Pablo Carbajal <ajuanpi+dev@gmail.com> parents: 16789 diff changeset	3714 else if (nargin == 3)
77c8aae15908 accept remove option for autoload Juan Pablo Carbajal <ajuanpi+dev@gmail.com> parents: 16789 diff changeset	3715 {
77c8aae15908 accept remove option for autoload Juan Pablo Carbajal <ajuanpi+dev@gmail.com> parents: 16789 diff changeset	3716 if (argv[3].compare ("remove") != 0)
77c8aae15908 accept remove option for autoload Juan Pablo Carbajal <ajuanpi+dev@gmail.com> parents: 16789 diff changeset	3717 error_with_id ("Octave:invalid-input-arg",
77c8aae15908 accept remove option for autoload Juan Pablo Carbajal <ajuanpi+dev@gmail.com> parents: 16789 diff changeset	3718 "autoload: third argument can only be 'remove'");
77c8aae15908 accept remove option for autoload Juan Pablo Carbajal <ajuanpi+dev@gmail.com> parents: 16789 diff changeset	3719
77c8aae15908 accept remove option for autoload Juan Pablo Carbajal <ajuanpi+dev@gmail.com> parents: 16789 diff changeset	3720 // Remove function from symbol table and autoload map.
16850 ec2ac2300ac8 oct-parse-in.yy: Fix error compiling code in cset 77c8aae15908. Rik <rik@octave.org> parents: 16848 diff changeset	3721 symbol_table::clear_dld_function (argv[1]);
16848 77c8aae15908 accept remove option for autoload Juan Pablo Carbajal <ajuanpi+dev@gmail.com> parents: 16789 diff changeset	3722 autoload_map.erase (argv[1]);
77c8aae15908 accept remove option for autoload Juan Pablo Carbajal <ajuanpi+dev@gmail.com> parents: 16789 diff changeset	3723 }
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3724 }
5484 2ff5363a16bd [project @ 2005-10-06 17:12:12 by jwe] jwe parents: 5472 diff changeset	3725 }
2ff5363a16bd [project @ 2005-10-06 17:12:12 by jwe] jwe parents: 5472 diff changeset	3726 else
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5794 diff changeset	3727 print_usage ();
5484 2ff5363a16bd [project @ 2005-10-06 17:12:12 by jwe] jwe parents: 5472 diff changeset	3728
2ff5363a16bd [project @ 2005-10-06 17:12:12 by jwe] jwe parents: 5472 diff changeset	3729 return retval;
2ff5363a16bd [project @ 2005-10-06 17:12:12 by jwe] jwe parents: 5472 diff changeset	3730 }
2ff5363a16bd [project @ 2005-10-06 17:12:12 by jwe] jwe parents: 5472 diff changeset	3731
4486 6ceba1f351fb [project @ 2003-08-22 16:49:46 by jwe] jwe parents: 4463 diff changeset	3732 void
7715 5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7699 diff changeset	3733 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	3734 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	3735 {
10578 cb0883127251 limit on recursion via calls to source function John W. Eaton <jwe@octave.org> parents: 10570 diff changeset	3736 // 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	3737 // 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	3738 // 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	3739 // written as
cb0883127251 limit on recursion via calls to source function John W. Eaton <jwe@octave.org> parents: 10570 diff changeset	3740 //
cb0883127251 limit on recursion via calls to source function John W. Eaton <jwe@octave.org> parents: 10570 diff changeset	3741 // foo1.m:
cb0883127251 limit on recursion via calls to source function John W. Eaton <jwe@octave.org> parents: 10570 diff changeset	3742 // ------
cb0883127251 limit on recursion via calls to source function John W. Eaton <jwe@octave.org> parents: 10570 diff changeset	3743 // foo2
cb0883127251 limit on recursion via calls to source function John W. Eaton <jwe@octave.org> parents: 10570 diff changeset	3744 //
cb0883127251 limit on recursion via calls to source function John W. Eaton <jwe@octave.org> parents: 10570 diff changeset	3745 // foo2.m:
cb0883127251 limit on recursion via calls to source function John W. Eaton <jwe@octave.org> parents: 10570 diff changeset	3746 // ------
cb0883127251 limit on recursion via calls to source function John W. Eaton <jwe@octave.org> parents: 10570 diff changeset	3747 // foo1
cb0883127251 limit on recursion via calls to source function John W. Eaton <jwe@octave.org> parents: 10570 diff changeset	3748 //
cb0883127251 limit on recursion via calls to source function John W. Eaton <jwe@octave.org> parents: 10570 diff changeset	3749 // and called with
cb0883127251 limit on recursion via calls to source function John W. Eaton <jwe@octave.org> parents: 10570 diff changeset	3750 //
cb0883127251 limit on recursion via calls to source function John W. Eaton <jwe@octave.org> parents: 10570 diff changeset	3751 // foo1
cb0883127251 limit on recursion via calls to source function John W. Eaton <jwe@octave.org> parents: 10570 diff changeset	3752 //
cb0883127251 limit on recursion via calls to source function John W. Eaton <jwe@octave.org> parents: 10570 diff changeset	3753 // (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	3754 //
cb0883127251 limit on recursion via calls to source function John W. Eaton <jwe@octave.org> parents: 10570 diff changeset	3755 // foo1.m:
cb0883127251 limit on recursion via calls to source function John W. Eaton <jwe@octave.org> parents: 10570 diff changeset	3756 // ------
cb0883127251 limit on recursion via calls to source function John W. Eaton <jwe@octave.org> parents: 10570 diff changeset	3757 // source ("foo2.m")
cb0883127251 limit on recursion via calls to source function John W. Eaton <jwe@octave.org> parents: 10570 diff changeset	3758 //
cb0883127251 limit on recursion via calls to source function John W. Eaton <jwe@octave.org> parents: 10570 diff changeset	3759 // foo2.m:
cb0883127251 limit on recursion via calls to source function John W. Eaton <jwe@octave.org> parents: 10570 diff changeset	3760 // ------
cb0883127251 limit on recursion via calls to source function John W. Eaton <jwe@octave.org> parents: 10570 diff changeset	3761 // source ("foo1.m")
cb0883127251 limit on recursion via calls to source function John W. Eaton <jwe@octave.org> parents: 10570 diff changeset	3762 //
cb0883127251 limit on recursion via calls to source function John W. Eaton <jwe@octave.org> parents: 10570 diff changeset	3763 // and called with
cb0883127251 limit on recursion via calls to source function John W. Eaton <jwe@octave.org> parents: 10570 diff changeset	3764 //
cb0883127251 limit on recursion via calls to source function John W. Eaton <jwe@octave.org> parents: 10570 diff changeset	3765 // source ("foo1.m")
cb0883127251 limit on recursion via calls to source function John W. Eaton <jwe@octave.org> parents: 10570 diff changeset	3766 //
cb0883127251 limit on recursion via calls to source function John W. Eaton <jwe@octave.org> parents: 10570 diff changeset	3767 // (for example).
cb0883127251 limit on recursion via calls to source function John W. Eaton <jwe@octave.org> parents: 10570 diff changeset	3768
cb0883127251 limit on recursion via calls to source function John W. Eaton <jwe@octave.org> parents: 10570 diff changeset	3769 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	3770
4486 6ceba1f351fb [project @ 2003-08-22 16:49:46 by jwe] jwe parents: 4463 diff changeset	3771 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	3772
10578 cb0883127251 limit on recursion via calls to source function John W. Eaton <jwe@octave.org> parents: 10570 diff changeset	3773 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	3774
10067 6f79338c269b omission from last patch Jaroslav Hajek <highegg@gmail.com> parents: 9794 diff changeset	3775 unwind_protect frame;
6f79338c269b omission from last patch Jaroslav Hajek <highegg@gmail.com> parents: 9794 diff changeset	3776
10578 cb0883127251 limit on recursion via calls to source function John W. Eaton <jwe@octave.org> parents: 10570 diff changeset	3777 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	3778 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	3779
cb0883127251 limit on recursion via calls to source function John W. Eaton <jwe@octave.org> parents: 10570 diff changeset	3780 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	3781
cb0883127251 limit on recursion via calls to source function John W. Eaton <jwe@octave.org> parents: 10570 diff changeset	3782 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	3783
cb0883127251 limit on recursion via calls to source function John W. Eaton <jwe@octave.org> parents: 10570 diff changeset	3784 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	3785 {
cb0883127251 limit on recursion via calls to source function John W. Eaton <jwe@octave.org> parents: 10570 diff changeset	3786 error ("max_recursion_depth exceeded");
cb0883127251 limit on recursion via calls to source function John W. Eaton <jwe@octave.org> parents: 10570 diff changeset	3787 return;
cb0883127251 limit on recursion via calls to source function John W. Eaton <jwe@octave.org> parents: 10570 diff changeset	3788 }
cb0883127251 limit on recursion via calls to source function John W. Eaton <jwe@octave.org> parents: 10570 diff changeset	3789
5975 e64059303a6f [project @ 2006-08-29 16:37:39 by jwe] jwe parents: 5932 diff changeset	3790 if (! context.empty ())
e64059303a6f [project @ 2006-08-29 16:37:39 by jwe] jwe parents: 5932 diff changeset	3791 {
e64059303a6f [project @ 2006-08-29 16:37:39 by jwe] jwe parents: 5932 diff changeset	3792 if (context == "caller")
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3793 octave_call_stack::goto_caller_frame ();
5975 e64059303a6f [project @ 2006-08-29 16:37:39 by jwe] jwe parents: 5932 diff changeset	3794 else if (context == "base")
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3795 octave_call_stack::goto_base_frame ();
5975 e64059303a6f [project @ 2006-08-29 16:37:39 by jwe] jwe parents: 5932 diff changeset	3796 else
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3797 error ("source: context must be \"caller\" or \"base\"");
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	3798
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	3799 if (! error_state)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3800 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	3801 }
5975 e64059303a6f [project @ 2006-08-29 16:37:39 by jwe] jwe parents: 5932 diff changeset	3802
e64059303a6f [project @ 2006-08-29 16:37:39 by jwe] jwe parents: 5932 diff changeset	3803 if (! error_state)
e64059303a6f [project @ 2006-08-29 16:37:39 by jwe] jwe parents: 5932 diff changeset	3804 {
16203 127cccb037bf move more global parser and lexer variables to classes John W. Eaton <jwe@octave.org> parents: 16199 diff changeset	3805 octave_function *fcn = parse_fcn_file (file_full_name, file_name,
127cccb037bf move more global parser and lexer variables to classes John W. Eaton <jwe@octave.org> parents: 16199 diff changeset	3806 "", require_file, true,
127cccb037bf move more global parser and lexer variables to classes John W. Eaton <jwe@octave.org> parents: 16199 diff changeset	3807 false, false, warn_for);
7715 5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7699 diff changeset	3808
5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7699 diff changeset	3809 if (! error_state)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3810 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3811 if (fcn && fcn->is_user_script ())
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3812 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3813 octave_value_list args;
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 if (verbose)
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 std::cout << "executing commands from " << file_full_name << " ... ";
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3818 reading_startup_message_printed = true;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3819 std::cout.flush ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3820 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3821
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3822 fcn->do_multi_index_op (0, args);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3823
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3824 if (verbose)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3825 std::cout << "done." << std::endl;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3826
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3827 delete fcn;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3828 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3829 }
7715 5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7699 diff changeset	3830 else
15466 d174210ce1ec use ' instead of ` in error messages, warnings and most comments John W. Eaton <jwe@octave.org> parents: 14189 diff changeset	3831 error ("source: error sourcing file '%s'",
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3832 file_full_name.c_str ());
5975 e64059303a6f [project @ 2006-08-29 16:37:39 by jwe] jwe parents: 5932 diff changeset	3833 }
4486 6ceba1f351fb [project @ 2003-08-22 16:49:46 by jwe] jwe parents: 4463 diff changeset	3834 }
6ceba1f351fb [project @ 2003-08-22 16:49:46 by jwe] jwe parents: 4463 diff changeset	3835
5739 d090d39bb82c [project @ 2006-04-05 06:56:24 by jwe] jwe parents: 5667 diff changeset	3836 DEFUN (mfilename, args, ,
d090d39bb82c [project @ 2006-04-05 06:56:24 by jwe] jwe parents: 5667 diff changeset	3837 "-- texinfo --\n\
11572 7d6d8c1e471f Grammarcheck Texinfo for files in src directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	3838 @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	3839 @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	3840 @deftypefnx {Built-in Function} {} mfilename (\"fullpathext\")\n\
5739 d090d39bb82c [project @ 2006-04-05 06:56:24 by jwe] jwe parents: 5667 diff changeset	3841 Return the name of the currently executing file. At the top-level,\n\
17281 bc924baa2c4e doc: Add new @qcode macro for code samples which are quoted. Rik <rik@octave.org> parents: 17249 diff changeset	3842 return the empty string. Given the argument @qcode{\"fullpath\"},\n\
5739 d090d39bb82c [project @ 2006-04-05 06:56:24 by jwe] jwe parents: 5667 diff changeset	3843 include the directory part of the file name, but not the extension.\n\
17281 bc924baa2c4e doc: Add new @qcode macro for code samples which are quoted. Rik <rik@octave.org> parents: 17249 diff changeset	3844 Given the argument @qcode{\"fullpathext\"}, include the directory part\n\
5739 d090d39bb82c [project @ 2006-04-05 06:56:24 by jwe] jwe parents: 5667 diff changeset	3845 of the file name and the extension.\n\
5774 e7af222e98b0 [project @ 2006-04-24 17:45:31 by jwe] jwe parents: 5765 diff changeset	3846 @end deftypefn")
5739 d090d39bb82c [project @ 2006-04-05 06:56:24 by jwe] jwe parents: 5667 diff changeset	3847 {
d090d39bb82c [project @ 2006-04-05 06:56:24 by jwe] jwe parents: 5667 diff changeset	3848 octave_value retval;
d090d39bb82c [project @ 2006-04-05 06:56:24 by jwe] jwe parents: 5667 diff changeset	3849
d090d39bb82c [project @ 2006-04-05 06:56:24 by jwe] jwe parents: 5667 diff changeset	3850 int nargin = args.length ();
d090d39bb82c [project @ 2006-04-05 06:56:24 by jwe] jwe parents: 5667 diff changeset	3851
d090d39bb82c [project @ 2006-04-05 06:56:24 by jwe] jwe parents: 5667 diff changeset	3852 if (nargin > 1)
d090d39bb82c [project @ 2006-04-05 06:56:24 by jwe] jwe parents: 5667 diff changeset	3853 {
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5794 diff changeset	3854 print_usage ();
5739 d090d39bb82c [project @ 2006-04-05 06:56:24 by jwe] jwe parents: 5667 diff changeset	3855 return retval;
d090d39bb82c [project @ 2006-04-05 06:56:24 by jwe] jwe parents: 5667 diff changeset	3856 }
d090d39bb82c [project @ 2006-04-05 06:56:24 by jwe] jwe parents: 5667 diff changeset	3857
d090d39bb82c [project @ 2006-04-05 06:56:24 by jwe] jwe parents: 5667 diff changeset	3858 std::string arg;
d090d39bb82c [project @ 2006-04-05 06:56:24 by jwe] jwe parents: 5667 diff changeset	3859
d090d39bb82c [project @ 2006-04-05 06:56:24 by jwe] jwe parents: 5667 diff changeset	3860 if (nargin == 1)
d090d39bb82c [project @ 2006-04-05 06:56:24 by jwe] jwe parents: 5667 diff changeset	3861 {
d090d39bb82c [project @ 2006-04-05 06:56:24 by jwe] jwe parents: 5667 diff changeset	3862 arg = args(0).string_value ();
d090d39bb82c [project @ 2006-04-05 06:56:24 by jwe] jwe parents: 5667 diff changeset	3863
d090d39bb82c [project @ 2006-04-05 06:56:24 by jwe] jwe parents: 5667 diff changeset	3864 if (error_state)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3865 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3866 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	3867 return retval;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3868 }
5739 d090d39bb82c [project @ 2006-04-05 06:56:24 by jwe] jwe parents: 5667 diff changeset	3869 }
d090d39bb82c [project @ 2006-04-05 06:56:24 by jwe] jwe parents: 5667 diff changeset	3870
d090d39bb82c [project @ 2006-04-05 06:56:24 by jwe] jwe parents: 5667 diff changeset	3871 std::string fname;
d090d39bb82c [project @ 2006-04-05 06:56:24 by jwe] jwe parents: 5667 diff changeset	3872
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	3873 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	3874
a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5739 diff changeset	3875 if (fcn)
a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5739 diff changeset	3876 {
a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5739 diff changeset	3877 fname = fcn->fcn_file_name ();
a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5739 diff changeset	3878
a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5739 diff changeset	3879 if (fname.empty ())
a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5739 diff changeset	3880 fname = fcn->name ();
a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5739 diff changeset	3881 }
5739 d090d39bb82c [project @ 2006-04-05 06:56:24 by jwe] jwe parents: 5667 diff changeset	3882
d090d39bb82c [project @ 2006-04-05 06:56:24 by jwe] jwe parents: 5667 diff changeset	3883 if (arg == "fullpathext")
d090d39bb82c [project @ 2006-04-05 06:56:24 by jwe] jwe parents: 5667 diff changeset	3884 retval = fname;
d090d39bb82c [project @ 2006-04-05 06:56:24 by jwe] jwe parents: 5667 diff changeset	3885 else
d090d39bb82c [project @ 2006-04-05 06:56:24 by jwe] jwe parents: 5667 diff changeset	3886 {
8007 a2ab20ba78f7 make file_ops a proper singleton class John W. Eaton <jwe@octave.org> parents: 8001 diff changeset	3887 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	3888 size_t epos = fname.rfind ('.');
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5744 diff changeset	3889
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe] jwe parents: 5744 diff changeset	3890 if (epos <= dpos)
8021 85184151822e fix typo in NPOS change John W. Eaton <jwe@octave.org> parents: 8019 diff changeset	3891 epos = std::string::npos;
85184151822e fix typo in NPOS change John W. Eaton <jwe@octave.org> parents: 8019 diff changeset	3892
85184151822e fix typo in NPOS change John W. Eaton <jwe@octave.org> parents: 8019 diff changeset	3893 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	3894
d090d39bb82c [project @ 2006-04-05 06:56:24 by jwe] jwe parents: 5667 diff changeset	3895 if (arg == "fullpath")
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3896 retval = fname;
5739 d090d39bb82c [project @ 2006-04-05 06:56:24 by jwe] jwe parents: 5667 diff changeset	3897 else
8021 85184151822e fix typo in NPOS change John W. Eaton <jwe@octave.org> parents: 8019 diff changeset	3898 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	3899 }
d090d39bb82c [project @ 2006-04-05 06:56:24 by jwe] jwe parents: 5667 diff changeset	3900
d090d39bb82c [project @ 2006-04-05 06:56:24 by jwe] jwe parents: 5667 diff changeset	3901 return retval;
d090d39bb82c [project @ 2006-04-05 06:56:24 by jwe] jwe parents: 5667 diff changeset	3902 }
d090d39bb82c [project @ 2006-04-05 06:56:24 by jwe] jwe parents: 5667 diff changeset	3903
3021 18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	3904 DEFUN (source, args, ,
3371 86873384cd10 [project @ 1999-11-21 17:31:07 by jwe] jwe parents: 3366 diff changeset	3905 "-- texinfo --\n\
86873384cd10 [project @ 1999-11-21 17:31:07 by jwe] jwe parents: 3366 diff changeset	3906 @deftypefn {Built-in Function} {} source (@var{file})\n\
86873384cd10 [project @ 1999-11-21 17:31:07 by jwe] jwe parents: 3366 diff changeset	3907 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	3908 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	3909 be named @file{@var{file}.m}.\n\
86873384cd10 [project @ 1999-11-21 17:31:07 by jwe] jwe parents: 3366 diff changeset	3910 @end deftypefn")
3021 18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	3911 {
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	3912 octave_value_list retval;
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	3913
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	3914 int nargin = args.length ();
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	3915
5975 e64059303a6f [project @ 2006-08-29 16:37:39 by jwe] jwe parents: 5932 diff changeset	3916 if (nargin == 1 \|\| nargin == 2)
3021 18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	3917 {
3523 b80bbb43a1a9 [project @ 2000-02-02 10:25:52 by jwe] jwe parents: 3489 diff changeset	3918 std::string file_name = args(0).string_value ();
3021 18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	3919
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	3920 if (! error_state)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3921 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3922 std::string context;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3923
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3924 if (nargin == 2)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3925 context = args(1).string_value ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3926
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3927 if (! error_state)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3928 source_file (file_name, context);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3929 else
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3930 error ("source: expecting context to be character string");
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3931 }
3021 18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	3932 else
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	3933 error ("source: expecting file name as argument");
3021 18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	3934 }
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	3935 else
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5794 diff changeset	3936 print_usage ();
3021 18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	3937
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	3938 return retval;
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	3939 }
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	3940
3726 b7d997d593d9 [project @ 2000-10-27 17:51:21 by jwe] jwe parents: 3712 diff changeset	3941 // 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	3942 // 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	3943 // 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	3944 // number of output arguments expected.
3726 b7d997d593d9 [project @ 2000-10-27 17:51:21 by jwe] jwe parents: 3712 diff changeset	3945
3021 18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	3946 octave_value_list
3523 b80bbb43a1a9 [project @ 2000-02-02 10:25:52 by jwe] jwe parents: 3489 diff changeset	3947 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	3948 {
a494f93e60ff [project @ 1998-02-20 07:47:48 by jwe] jwe parents: 3110 diff changeset	3949 octave_value_list retval;
a494f93e60ff [project @ 1998-02-20 07:47:48 by jwe] jwe parents: 3110 diff changeset	3950
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	3951 octave_value fcn = symbol_table::find_function (name, args);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	3952
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	3953 if (fcn.is_defined ())
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	3954 retval = fcn.do_multi_index_op (nargout, args);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	3955 else
10443 34e51d4e199b implement smart warnings about missing Matlab functionality Jaroslav Hajek <highegg@gmail.com> parents: 10426 diff changeset	3956 {
34e51d4e199b implement smart warnings about missing Matlab functionality Jaroslav Hajek <highegg@gmail.com> parents: 10426 diff changeset	3957 maybe_missing_function_hook (name);
34e51d4e199b implement smart warnings about missing Matlab functionality Jaroslav Hajek <highegg@gmail.com> parents: 10426 diff changeset	3958 if (! error_state)
15466 d174210ce1ec use ' instead of ` in error messages, warnings and most comments John W. Eaton <jwe@octave.org> parents: 14189 diff changeset	3959 error ("feval: function '%s' not found", name.c_str ());
10443 34e51d4e199b implement smart warnings about missing Matlab functionality Jaroslav Hajek <highegg@gmail.com> parents: 10426 diff changeset	3960 }
3156 a494f93e60ff [project @ 1998-02-20 07:47:48 by jwe] jwe parents: 3110 diff changeset	3961
a494f93e60ff [project @ 1998-02-20 07:47:48 by jwe] jwe parents: 3110 diff changeset	3962 return retval;
a494f93e60ff [project @ 1998-02-20 07:47:48 by jwe] jwe parents: 3110 diff changeset	3963 }
a494f93e60ff [project @ 1998-02-20 07:47:48 by jwe] jwe parents: 3110 diff changeset	3964
4342 813effe14ee1 [project @ 2003-02-20 08:35:55 by jwe] jwe parents: 4318 diff changeset	3965 octave_value_list
813effe14ee1 [project @ 2003-02-20 08:35:55 by jwe] jwe parents: 4318 diff changeset	3966 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	3967 {
813effe14ee1 [project @ 2003-02-20 08:35:55 by jwe] jwe parents: 4318 diff changeset	3968 octave_value_list retval;
813effe14ee1 [project @ 2003-02-20 08:35:55 by jwe] jwe parents: 4318 diff changeset	3969
813effe14ee1 [project @ 2003-02-20 08:35:55 by jwe] jwe parents: 4318 diff changeset	3970 if (fcn)
813effe14ee1 [project @ 2003-02-20 08:35:55 by jwe] jwe parents: 4318 diff changeset	3971 retval = fcn->do_multi_index_op (nargout, args);
813effe14ee1 [project @ 2003-02-20 08:35:55 by jwe] jwe parents: 4318 diff changeset	3972
813effe14ee1 [project @ 2003-02-20 08:35:55 by jwe] jwe parents: 4318 diff changeset	3973 return retval;
813effe14ee1 [project @ 2003-02-20 08:35:55 by jwe] jwe parents: 4318 diff changeset	3974 }
813effe14ee1 [project @ 2003-02-20 08:35:55 by jwe] jwe parents: 4318 diff changeset	3975
813effe14ee1 [project @ 2003-02-20 08:35:55 by jwe] jwe parents: 4318 diff changeset	3976 static octave_value_list
813effe14ee1 [project @ 2003-02-20 08:35:55 by jwe] jwe parents: 4318 diff changeset	3977 get_feval_args (const octave_value_list& args)
813effe14ee1 [project @ 2003-02-20 08:35:55 by jwe] jwe parents: 4318 diff changeset	3978 {
10659 8baff2aceabc fix slicing value lists with name tags (bug #29960) Jaroslav Hajek <highegg@gmail.com> parents: 10578 diff changeset	3979 return args.slice (1, args.length () - 1, true);
4342 813effe14ee1 [project @ 2003-02-20 08:35:55 by jwe] jwe parents: 4318 diff changeset	3980 }
813effe14ee1 [project @ 2003-02-20 08:35:55 by jwe] jwe parents: 4318 diff changeset	3981
813effe14ee1 [project @ 2003-02-20 08:35:55 by jwe] jwe parents: 4318 diff changeset	3982
3726 b7d997d593d9 [project @ 2000-10-27 17:51:21 by jwe] jwe parents: 3712 diff changeset	3983 // 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	3984 // 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	3985 // 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	3986 // 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	3987 // output arguments expected.
b7d997d593d9 [project @ 2000-10-27 17:51:21 by jwe] jwe parents: 3712 diff changeset	3988
3156 a494f93e60ff [project @ 1998-02-20 07:47:48 by jwe] jwe parents: 3110 diff changeset	3989 octave_value_list
3021 18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	3990 feval (const octave_value_list& args, int nargout)
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	3991 {
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	3992 octave_value_list retval;
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	3993
4342 813effe14ee1 [project @ 2003-02-20 08:35:55 by jwe] jwe parents: 4318 diff changeset	3994 int nargin = args.length ();
813effe14ee1 [project @ 2003-02-20 08:35:55 by jwe] jwe parents: 4318 diff changeset	3995
813effe14ee1 [project @ 2003-02-20 08:35:55 by jwe] jwe parents: 4318 diff changeset	3996 if (nargin > 0)
3021 18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	3997 {
4342 813effe14ee1 [project @ 2003-02-20 08:35:55 by jwe] jwe parents: 4318 diff changeset	3998 octave_value f_arg = args(0);
813effe14ee1 [project @ 2003-02-20 08:35:55 by jwe] jwe parents: 4318 diff changeset	3999
813effe14ee1 [project @ 2003-02-20 08:35:55 by jwe] jwe parents: 4318 diff changeset	4000 if (f_arg.is_string ())
813effe14ee1 [project @ 2003-02-20 08:35:55 by jwe] jwe parents: 4318 diff changeset	4001 {
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4002 std::string name = f_arg.string_value ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4003
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4004 if (! error_state)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4005 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4006 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	4007
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4008 retval = feval (name, tmp_args, nargout);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4009 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4010 }
13241 2a8dcb5b3a00 improve default indexing for objects John W. Eaton <jwe@octave.org> parents: 13237 diff changeset	4011 else if (f_arg.is_function_handle ()
2a8dcb5b3a00 improve default indexing for objects John W. Eaton <jwe@octave.org> parents: 13237 diff changeset	4012 \|\| f_arg.is_anonymous_function ()
2a8dcb5b3a00 improve default indexing for objects John W. Eaton <jwe@octave.org> parents: 13237 diff changeset	4013 \|\| f_arg.is_inline_function ())
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4014 {
10492 a6b64a7a3769 make feval work with overloaded handles Jaroslav Hajek <highegg@gmail.com> parents: 10463 diff changeset	4015 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	4016
a6b64a7a3769 make feval work with overloaded handles Jaroslav Hajek <highegg@gmail.com> parents: 10463 diff changeset	4017 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	4018 }
10492 a6b64a7a3769 make feval work with overloaded handles Jaroslav Hajek <highegg@gmail.com> parents: 10463 diff changeset	4019 else
a6b64a7a3769 make feval work with overloaded handles Jaroslav Hajek <highegg@gmail.com> parents: 10463 diff changeset	4020 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	4021 }
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	4022
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	4023 return retval;
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	4024 }
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	4025
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	4026 DEFUN (feval, args, nargout,
3371 86873384cd10 [project @ 1999-11-21 17:31:07 by jwe] jwe parents: 3366 diff changeset	4027 "-- texinfo --\n\
86873384cd10 [project @ 1999-11-21 17:31:07 by jwe] jwe parents: 3366 diff changeset	4028 @deftypefn {Built-in Function} {} feval (@var{name}, @dots{})\n\
86873384cd10 [project @ 1999-11-21 17:31:07 by jwe] jwe parents: 3366 diff changeset	4029 Evaluate the function named @var{name}. Any arguments after the first\n\
16789 2f63d2f3ff11 doc: Update docstrings in oct-parse.in.yy. Rik <rik@octave.org> parents: 16681 diff changeset	4030 are passed as inputs to the named function. For example,\n\
3371 86873384cd10 [project @ 1999-11-21 17:31:07 by jwe] jwe parents: 3366 diff changeset	4031 \n\
86873384cd10 [project @ 1999-11-21 17:31:07 by jwe] jwe parents: 3366 diff changeset	4032 @example\n\
11572 7d6d8c1e471f Grammarcheck Texinfo for files in src directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	4033 @group\n\
3371 86873384cd10 [project @ 1999-11-21 17:31:07 by jwe] jwe parents: 3366 diff changeset	4034 feval (\"acos\", -1)\n\
86873384cd10 [project @ 1999-11-21 17:31:07 by jwe] jwe parents: 3366 diff changeset	4035 @result{} 3.1416\n\
11572 7d6d8c1e471f Grammarcheck Texinfo for files in src directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	4036 @end group\n\
3371 86873384cd10 [project @ 1999-11-21 17:31:07 by jwe] jwe parents: 3366 diff changeset	4037 @end example\n\
3021 18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	4038 \n\
3371 86873384cd10 [project @ 1999-11-21 17:31:07 by jwe] jwe parents: 3366 diff changeset	4039 @noindent\n\
86873384cd10 [project @ 1999-11-21 17:31:07 by jwe] jwe parents: 3366 diff changeset	4040 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	4041 \n\
12946 8b5b85e26246 octave-parse.yy (feval): Update docstring to refer to function handles. Jordi Gutiérrez Hermoso <jordigh@gmail.com> parents: 12918 diff changeset	4042 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	4043 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	4044 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	4045 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	4046 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	4047 \n\
8b5b85e26246 octave-parse.yy (feval): Update docstring to refer to function handles. Jordi Gutiérrez Hermoso <jordigh@gmail.com> parents: 12918 diff changeset	4048 @example\n\
8b5b85e26246 octave-parse.yy (feval): Update docstring to refer to function handles. Jordi Gutiérrez Hermoso <jordigh@gmail.com> parents: 12918 diff changeset	4049 @group\n\
8b5b85e26246 octave-parse.yy (feval): Update docstring to refer to function handles. Jordi Gutiérrez Hermoso <jordigh@gmail.com> parents: 12918 diff changeset	4050 @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	4051 feval (@var{f}, 1)\n\
14360 97883071e8e4 doc: Correct off-by-1 spacings in all .cc docstrings Rik <octave@nomad.inbox5.com> parents: 14329 diff changeset	4052 @result{} 2.7183\n\
12946 8b5b85e26246 octave-parse.yy (feval): Update docstring to refer to function handles. Jordi Gutiérrez Hermoso <jordigh@gmail.com> parents: 12918 diff changeset	4053 @var{f} (1)\n\
14360 97883071e8e4 doc: Correct off-by-1 spacings in all .cc docstrings Rik <octave@nomad.inbox5.com> parents: 14329 diff changeset	4054 @result{} 2.7183\n\
12946 8b5b85e26246 octave-parse.yy (feval): Update docstring to refer to function handles. Jordi Gutiérrez Hermoso <jordigh@gmail.com> parents: 12918 diff changeset	4055 @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	4056 @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	4057 \n\
8b5b85e26246 octave-parse.yy (feval): Update docstring to refer to function handles. Jordi Gutiérrez Hermoso <jordigh@gmail.com> parents: 12918 diff changeset	4058 @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	4059 are equivalent ways to call the function referred to by @var{f}. If it\n\
16789 2f63d2f3ff11 doc: Update docstrings in oct-parse.in.yy. Rik <rik@octave.org> parents: 16681 diff changeset	4060 cannot be predicted beforehand whether @var{f} is a function handle,\n\
2f63d2f3ff11 doc: Update docstrings in oct-parse.in.yy. Rik <rik@octave.org> parents: 16681 diff changeset	4061 function name in a string, or inline function then @code{feval} can be used\n\
2f63d2f3ff11 doc: Update docstrings in oct-parse.in.yy. Rik <rik@octave.org> parents: 16681 diff changeset	4062 instead.\n\
3371 86873384cd10 [project @ 1999-11-21 17:31:07 by jwe] jwe parents: 3366 diff changeset	4063 @end deftypefn")
3021 18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	4064 {
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	4065 octave_value_list retval;
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	4066
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	4067 int nargin = args.length ();
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	4068
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	4069 if (nargin > 0)
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	4070 retval = feval (args, nargout);
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	4071 else
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5794 diff changeset	4072 print_usage ();
3021 18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	4073
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	4074 return retval;
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	4075 }
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	4076
11225 8d8e10058df6 move builtin function from dispatch.cc to oct-parse.yy John W. Eaton <jwe@octave.org> parents: 11138 diff changeset	4077 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	4078 "-- texinfo --\n\
16789 2f63d2f3ff11 doc: Update docstrings in oct-parse.in.yy. Rik <rik@octave.org> parents: 16681 diff changeset	4079 @deftypefn {Loadable Function} {[@dots{}] =} builtin (@var{f}, @dots{})\n\
11225 8d8e10058df6 move builtin function from dispatch.cc to oct-parse.yy John W. Eaton <jwe@octave.org> parents: 11138 diff changeset	4080 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	4081 another function for the given type signature.\n\
16789 2f63d2f3ff11 doc: Update docstrings in oct-parse.in.yy. Rik <rik@octave.org> parents: 16681 diff changeset	4082 \n\
2f63d2f3ff11 doc: Update docstrings in oct-parse.in.yy. Rik <rik@octave.org> parents: 16681 diff changeset	4083 This is normally useful when doing object-oriented programming and there\n\
2f63d2f3ff11 doc: Update docstrings in oct-parse.in.yy. Rik <rik@octave.org> parents: 16681 diff changeset	4084 is a requirement to call one of Octave's base functions rather than\n\
2f63d2f3ff11 doc: Update docstrings in oct-parse.in.yy. Rik <rik@octave.org> parents: 16681 diff changeset	4085 the overloaded one of a new class.\n\
2f63d2f3ff11 doc: Update docstrings in oct-parse.in.yy. Rik <rik@octave.org> parents: 16681 diff changeset	4086 \n\
2f63d2f3ff11 doc: Update docstrings in oct-parse.in.yy. Rik <rik@octave.org> parents: 16681 diff changeset	4087 A trivial example which redefines the @code{sin} function to be the\n\
2f63d2f3ff11 doc: Update docstrings in oct-parse.in.yy. Rik <rik@octave.org> parents: 16681 diff changeset	4088 @code{cos} function shows how @code{builtin} works.\n\
2f63d2f3ff11 doc: Update docstrings in oct-parse.in.yy. Rik <rik@octave.org> parents: 16681 diff changeset	4089 \n\
2f63d2f3ff11 doc: Update docstrings in oct-parse.in.yy. Rik <rik@octave.org> parents: 16681 diff changeset	4090 @example\n\
2f63d2f3ff11 doc: Update docstrings in oct-parse.in.yy. Rik <rik@octave.org> parents: 16681 diff changeset	4091 @group\n\
2f63d2f3ff11 doc: Update docstrings in oct-parse.in.yy. Rik <rik@octave.org> parents: 16681 diff changeset	4092 sin (0)\n\
2f63d2f3ff11 doc: Update docstrings in oct-parse.in.yy. Rik <rik@octave.org> parents: 16681 diff changeset	4093 @result{} 0\n\
2f63d2f3ff11 doc: Update docstrings in oct-parse.in.yy. Rik <rik@octave.org> parents: 16681 diff changeset	4094 function y = sin (x), y = cos (x); endfunction\n\
2f63d2f3ff11 doc: Update docstrings in oct-parse.in.yy. Rik <rik@octave.org> parents: 16681 diff changeset	4095 sin (0)\n\
2f63d2f3ff11 doc: Update docstrings in oct-parse.in.yy. Rik <rik@octave.org> parents: 16681 diff changeset	4096 @result{} 1\n\
2f63d2f3ff11 doc: Update docstrings in oct-parse.in.yy. Rik <rik@octave.org> parents: 16681 diff changeset	4097 builtin (\"sin\", 0)\n\
2f63d2f3ff11 doc: Update docstrings in oct-parse.in.yy. Rik <rik@octave.org> parents: 16681 diff changeset	4098 @result{} 0\n\
2f63d2f3ff11 doc: Update docstrings in oct-parse.in.yy. Rik <rik@octave.org> parents: 16681 diff changeset	4099 @end group\n\
2f63d2f3ff11 doc: Update docstrings in oct-parse.in.yy. Rik <rik@octave.org> parents: 16681 diff changeset	4100 @end example\n\
11225 8d8e10058df6 move builtin function from dispatch.cc to oct-parse.yy John W. Eaton <jwe@octave.org> parents: 11138 diff changeset	4101 @end deftypefn")
8d8e10058df6 move builtin function from dispatch.cc to oct-parse.yy John W. Eaton <jwe@octave.org> parents: 11138 diff changeset	4102 {
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11572 diff changeset	4103 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	4104
8d8e10058df6 move builtin function from dispatch.cc to oct-parse.yy John W. Eaton <jwe@octave.org> parents: 11138 diff changeset	4105 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	4106
8d8e10058df6 move builtin function from dispatch.cc to oct-parse.yy John W. Eaton <jwe@octave.org> parents: 11138 diff changeset	4107 if (nargin > 0)
8d8e10058df6 move builtin function from dispatch.cc to oct-parse.yy John W. Eaton <jwe@octave.org> parents: 11138 diff changeset	4108 {
8d8e10058df6 move builtin function from dispatch.cc to oct-parse.yy John W. Eaton <jwe@octave.org> parents: 11138 diff changeset	4109 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	4110
11225 8d8e10058df6 move builtin function from dispatch.cc to oct-parse.yy John W. Eaton <jwe@octave.org> parents: 11138 diff changeset	4111 if (! error_state)
8d8e10058df6 move builtin function from dispatch.cc to oct-parse.yy John W. Eaton <jwe@octave.org> parents: 11138 diff changeset	4112 {
8d8e10058df6 move builtin function from dispatch.cc to oct-parse.yy John W. Eaton <jwe@octave.org> parents: 11138 diff changeset	4113 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	4114
8d8e10058df6 move builtin function from dispatch.cc to oct-parse.yy John W. Eaton <jwe@octave.org> parents: 11138 diff changeset	4115 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	4116 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	4117 nargout);
8d8e10058df6 move builtin function from dispatch.cc to oct-parse.yy John W. Eaton <jwe@octave.org> parents: 11138 diff changeset	4118 else
15466 d174210ce1ec use ' instead of ` in error messages, warnings and most comments John W. Eaton <jwe@octave.org> parents: 14189 diff changeset	4119 error ("builtin: lookup for symbol '%s' failed", name.c_str ());
11225 8d8e10058df6 move builtin function from dispatch.cc to oct-parse.yy John W. Eaton <jwe@octave.org> parents: 11138 diff changeset	4120 }
8d8e10058df6 move builtin function from dispatch.cc to oct-parse.yy John W. Eaton <jwe@octave.org> parents: 11138 diff changeset	4121 else
12483 7a5aacf65f81 Rewrite error strings in src/ to use variables named in documentation. Rik <octave@nomad.inbox5.com> parents: 12400 diff changeset	4122 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	4123 }
8d8e10058df6 move builtin function from dispatch.cc to oct-parse.yy John W. Eaton <jwe@octave.org> parents: 11138 diff changeset	4124 else
8d8e10058df6 move builtin function from dispatch.cc to oct-parse.yy John W. Eaton <jwe@octave.org> parents: 11138 diff changeset	4125 print_usage ();
8d8e10058df6 move builtin function from dispatch.cc to oct-parse.yy John W. Eaton <jwe@octave.org> parents: 11138 diff changeset	4126
8d8e10058df6 move builtin function from dispatch.cc to oct-parse.yy John W. Eaton <jwe@octave.org> parents: 11138 diff changeset	4127 return retval;
8d8e10058df6 move builtin function from dispatch.cc to oct-parse.yy John W. Eaton <jwe@octave.org> parents: 11138 diff changeset	4128 }
8d8e10058df6 move builtin function from dispatch.cc to oct-parse.yy John W. Eaton <jwe@octave.org> parents: 11138 diff changeset	4129
3099 8ce6fed79320 [project @ 1997-11-14 09:49:28 by jwe] jwe parents: 3095 diff changeset	4130 octave_value_list
16195 b52d2f9294b6 use class for reading lexer input John W. Eaton <jwe@octave.org> parents: 16187 diff changeset	4131 eval_string (const std::string& eval_str, bool silent,
b52d2f9294b6 use class for reading lexer input John W. Eaton <jwe@octave.org> parents: 16187 diff changeset	4132 int& parse_status, int nargout)
3021 18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	4133 {
3877 55648fc616c8 [project @ 2002-03-07 23:00:09 by jwe] jwe parents: 3844 diff changeset	4134 octave_value_list retval;
55648fc616c8 [project @ 2002-03-07 23:00:09 by jwe] jwe parents: 3844 diff changeset	4135
10067 6f79338c269b omission from last patch Jaroslav Hajek <highegg@gmail.com> parents: 9794 diff changeset	4136 unwind_protect frame;
6f79338c269b omission from last patch Jaroslav Hajek <highegg@gmail.com> parents: 9794 diff changeset	4137
16287 04a7953496a7 create base class for parser; use reference for curr_lexer John W. Eaton <jwe@octave.org> parents: 16285 diff changeset	4138 // octave_base_parser constructor sets this for us.
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	4139 frame.protect_var (LEXER);
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	4140
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	4141 octave_parser parser (eval_str);
16195 b52d2f9294b6 use class for reading lexer input John W. Eaton <jwe@octave.org> parents: 16187 diff changeset	4142
3877 55648fc616c8 [project @ 2002-03-07 23:00:09 by jwe] jwe parents: 3844 diff changeset	4143 do
55648fc616c8 [project @ 2002-03-07 23:00:09 by jwe] jwe parents: 3844 diff changeset	4144 {
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	4145 parser.reset ();
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	4146
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	4147 parse_status = parser.run ();
3877 55648fc616c8 [project @ 2002-03-07 23:00:09 by jwe] jwe parents: 3844 diff changeset	4148
9260 9c2349a51218 properly unmark forced variables John W. Eaton <jwe@octave.org> parents: 9144 diff changeset	4149 // Unmark forced variables.
16177 a7669b4d27f6 eliminate global global_command variable John W. Eaton <jwe@octave.org> parents: 16174 diff changeset	4150 frame.run (1);
7903 8018e10d2b87 save and restore global_command as needed John W. Eaton <jwe@octave.org> parents: 7901 diff changeset	4151
3883 69b6bd271277 [project @ 2002-04-02 21:05:10 by jwe] jwe parents: 3881 diff changeset	4152 if (parse_status == 0)
3877 55648fc616c8 [project @ 2002-03-07 23:00:09 by jwe] jwe parents: 3844 diff changeset	4153 {
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	4154 if (parser.stmt_list)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4155 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4156 tree_statement *stmt = 0;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4157
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	4158 if (parser.stmt_list->length () == 1
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	4159 && (stmt = parser.stmt_list->front ())
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4160 && stmt->is_expression ())
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4161 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4162 tree_expression *expr = stmt->expression ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4163
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4164 if (silent)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4165 expr->set_print_flag (false);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4166
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4167 bool do_bind_ans = false;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4168
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4169 if (expr->is_identifier ())
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4170 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4171 tree_identifier *id
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4172 = dynamic_cast<tree_identifier *> (expr);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4173
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4174 do_bind_ans = (! id->is_variable ());
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4175 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4176 else
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4177 do_bind_ans = (! expr->is_assignment_expression ());
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4178
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4179 retval = expr->rvalue (nargout);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4180
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4181 if (do_bind_ans && ! (error_state \|\| retval.empty ()))
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4182 bind_ans (retval(0), expr->print_result ());
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4183
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4184 if (nargout == 0)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4185 retval = octave_value_list ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4186 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4187 else if (nargout == 0)
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	4188 parser.stmt_list->accept (*current_evaluator);
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4189 else
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4190 error ("eval: invalid use of statement list");
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4191
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4192 if (error_state
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4193 \|\| tree_return_command::returning
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4194 \|\| tree_break_command::breaking
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4195 \|\| tree_continue_command::continuing)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4196 break;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4197 }
16288 fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER John W. Eaton <jwe@octave.org> parents: 16287 diff changeset	4198 else if (parser.lexer.end_of_input)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4199 break;
3883 69b6bd271277 [project @ 2002-04-02 21:05:10 by jwe] jwe parents: 3881 diff changeset	4200 }
3877 55648fc616c8 [project @ 2002-03-07 23:00:09 by jwe] jwe parents: 3844 diff changeset	4201 }
55648fc616c8 [project @ 2002-03-07 23:00:09 by jwe] jwe parents: 3844 diff changeset	4202 while (parse_status == 0);
3021 18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	4203
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	4204 return retval;
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	4205 }
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	4206
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	4207 octave_value
16195 b52d2f9294b6 use class for reading lexer input John W. Eaton <jwe@octave.org> parents: 16187 diff changeset	4208 eval_string (const std::string& eval_str, bool silent, int& parse_status)
3021 18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	4209 {
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	4210 octave_value retval;
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	4211
16195 b52d2f9294b6 use class for reading lexer input John W. Eaton <jwe@octave.org> parents: 16187 diff changeset	4212 octave_value_list tmp = eval_string (eval_str, silent, parse_status, 1);
3021 18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	4213
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	4214 if (! tmp.empty ())
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	4215 retval = tmp(0);
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	4216
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	4217 return retval;
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	4218 }
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	4219
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	4220 static octave_value_list
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	4221 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	4222 int nargout)
3021 18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	4223 {
3523 b80bbb43a1a9 [project @ 2000-02-02 10:25:52 by jwe] jwe parents: 3489 diff changeset	4224 std::string s = arg.string_value ();
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 if (error_state)
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	4227 {
3523 b80bbb43a1a9 [project @ 2000-02-02 10:25:52 by jwe] jwe parents: 3489 diff changeset	4228 error ("eval: expecting std::string argument");
4233 ccfdb55c8156 [project @ 2002-12-20 22:43:54 by jwe] jwe parents: 4219 diff changeset	4229 return octave_value (-1);
3021 18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	4230 }
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	4231
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	4232 return eval_string (s, silent, parse_status, nargout);
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	4233 }
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	4234
13970 c93b953f7d54 plug some memory leaks John W. Eaton <jwe@octave.org> parents: 13844 diff changeset	4235 void
c93b953f7d54 plug some memory leaks John W. Eaton <jwe@octave.org> parents: 13844 diff changeset	4236 cleanup_statement_list (tree_statement_list **lst)
c93b953f7d54 plug some memory leaks John W. Eaton <jwe@octave.org> parents: 13844 diff changeset	4237 {
c93b953f7d54 plug some memory leaks John W. Eaton <jwe@octave.org> parents: 13844 diff changeset	4238 if (*lst)
c93b953f7d54 plug some memory leaks John W. Eaton <jwe@octave.org> parents: 13844 diff changeset	4239 {
c93b953f7d54 plug some memory leaks John W. Eaton <jwe@octave.org> parents: 13844 diff changeset	4240 delete *lst;
c93b953f7d54 plug some memory leaks John W. Eaton <jwe@octave.org> parents: 13844 diff changeset	4241 *lst = 0;
c93b953f7d54 plug some memory leaks John W. Eaton <jwe@octave.org> parents: 13844 diff changeset	4242 }
c93b953f7d54 plug some memory leaks John W. Eaton <jwe@octave.org> parents: 13844 diff changeset	4243 }
c93b953f7d54 plug some memory leaks John W. Eaton <jwe@octave.org> parents: 13844 diff changeset	4244
3021 18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	4245 DEFUN (eval, args, nargout,
3371 86873384cd10 [project @ 1999-11-21 17:31:07 by jwe] jwe parents: 3366 diff changeset	4246 "-- texinfo --\n\
14172 cba1c681f1b7 doc: Update seealso references for eval family of functions. Rik <octave@nomad.inbox5.com> parents: 14153 diff changeset	4247 @deftypefn {Built-in Function} {} eval (@var{try})\n\
cba1c681f1b7 doc: Update seealso references for eval family of functions. Rik <octave@nomad.inbox5.com> parents: 14153 diff changeset	4248 @deftypefnx {Built-in Function} {} eval (@var{try}, @var{catch})\n\
3371 86873384cd10 [project @ 1999-11-21 17:31:07 by jwe] jwe parents: 3366 diff changeset	4249 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	4250 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	4251 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	4252 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	4253 \n\
16789 2f63d2f3ff11 doc: Update docstrings in oct-parse.in.yy. Rik <rik@octave.org> parents: 16681 diff changeset	4254 The following example makes the variable @var{A} with the approximate\n\
6643 6a7fc4105bcc [project @ 2007-05-21 20:37:43 by jwe] jwe parents: 6637 diff changeset	4255 value 3.1416 available.\n\
6a7fc4105bcc [project @ 2007-05-21 20:37:43 by jwe] jwe parents: 6637 diff changeset	4256 \n\
6a7fc4105bcc [project @ 2007-05-21 20:37:43 by jwe] jwe parents: 6637 diff changeset	4257 @example\n\
16789 2f63d2f3ff11 doc: Update docstrings in oct-parse.in.yy. Rik <rik@octave.org> parents: 16681 diff changeset	4258 eval (\"A = acos(-1);\");\n\
6643 6a7fc4105bcc [project @ 2007-05-21 20:37:43 by jwe] jwe parents: 6637 diff changeset	4259 @end example\n\
6a7fc4105bcc [project @ 2007-05-21 20:37:43 by jwe] jwe parents: 6637 diff changeset	4260 \n\
6a7fc4105bcc [project @ 2007-05-21 20:37:43 by jwe] jwe parents: 6637 diff changeset	4261 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	4262 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	4263 \n\
6a7fc4105bcc [project @ 2007-05-21 20:37:43 by jwe] jwe parents: 6637 diff changeset	4264 @example\n\
11572 7d6d8c1e471f Grammarcheck Texinfo for files in src directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	4265 @group\n\
6643 6a7fc4105bcc [project @ 2007-05-21 20:37:43 by jwe] jwe parents: 6637 diff changeset	4266 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	4267 '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	4268 @print{} This error occurred:\n\
8015 30629059b72d Update the manual to reflect the changes in error output sh@sh-laptop parents: 8007 diff changeset	4269 This is a bad example\n\
11572 7d6d8c1e471f Grammarcheck Texinfo for files in src directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	4270 @end group\n\
6643 6a7fc4105bcc [project @ 2007-05-21 20:37:43 by jwe] jwe parents: 6637 diff changeset	4271 @end example\n\
14172 cba1c681f1b7 doc: Update seealso references for eval family of functions. Rik <octave@nomad.inbox5.com> parents: 14153 diff changeset	4272 \n\
cba1c681f1b7 doc: Update seealso references for eval family of functions. Rik <octave@nomad.inbox5.com> parents: 14153 diff changeset	4273 Consider using try/catch blocks instead if you are only using @code{eval}\n\
cba1c681f1b7 doc: Update seealso references for eval family of functions. Rik <octave@nomad.inbox5.com> parents: 14153 diff changeset	4274 as an error-capturing mechanism rather than for the execution of arbitrary\n\
cba1c681f1b7 doc: Update seealso references for eval family of functions. Rik <octave@nomad.inbox5.com> parents: 14153 diff changeset	4275 code strings.\n\
cba1c681f1b7 doc: Update seealso references for eval family of functions. Rik <octave@nomad.inbox5.com> parents: 14153 diff changeset	4276 @seealso{evalin}\n\
3371 86873384cd10 [project @ 1999-11-21 17:31:07 by jwe] jwe parents: 3366 diff changeset	4277 @end deftypefn")
3021 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 octave_value_list retval;
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	4280
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	4281 int nargin = args.length ();
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	4282
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	4283 if (nargin > 0)
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	4284 {
10067 6f79338c269b omission from last patch Jaroslav Hajek <highegg@gmail.com> parents: 9794 diff changeset	4285 unwind_protect frame;
3021 18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	4286
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	4287 if (nargin > 1)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4288 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4289 frame.protect_var (buffer_error_messages);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4290 buffer_error_messages++;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4291 }
3021 18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	4292
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	4293 int parse_status = 0;
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	4294
4463 322453495d75 [project @ 2003-07-12 05:03:33 by jwe] jwe parents: 4452 diff changeset	4295 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	4296 parse_status, nargout);
4463 322453495d75 [project @ 2003-07-12 05:03:33 by jwe] jwe parents: 4452 diff changeset	4297
3021 18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	4298 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	4299 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4300 error_state = 0;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4301
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4302 // 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	4303 // 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	4304
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4305 buffer_error_messages--;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4306
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4307 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	4308
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4309 if (nargout > 0)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4310 retval = tmp;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4311 }
8033 2ad5ba320b93 parse.y (Feval): Return value produced by evaluating CATCH string John W. Eaton <jwe@octave.org> parents: 8021 diff changeset	4312 else if (nargout > 0)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4313 retval = tmp;
3021 18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	4314 }
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	4315 else
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5794 diff changeset	4316 print_usage ();
3021 18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	4317
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	4318 return retval;
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	4319 }
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe] jwe parents: 3016 diff changeset	4320
7562 c827f5673321 move tests to individual source files John W. Eaton <jwe@octave.org> parents: 7351 diff changeset	4321 /*
c827f5673321 move tests to individual source files John W. Eaton <jwe@octave.org> parents: 7351 diff changeset	4322
14084 5aba9fa234cf Modernize %!tests for eval() Rik <octave@nomad.inbox5.com> parents: 13970 diff changeset	4323 %!shared x
7562 c827f5673321 move tests to individual source files John W. Eaton <jwe@octave.org> parents: 7351 diff changeset	4324 %! x = 1;
14084 5aba9fa234cf Modernize %!tests for eval() Rik <octave@nomad.inbox5.com> parents: 13970 diff changeset	4325
5aba9fa234cf Modernize %!tests for eval() Rik <octave@nomad.inbox5.com> parents: 13970 diff changeset	4326 %!assert (eval ("x"), 1)
5aba9fa234cf Modernize %!tests for eval() Rik <octave@nomad.inbox5.com> parents: 13970 diff changeset	4327 %!assert (eval ("x;"))
5aba9fa234cf Modernize %!tests for eval() Rik <octave@nomad.inbox5.com> parents: 13970 diff changeset	4328 %!assert (eval ("x;"), 1);
5aba9fa234cf Modernize %!tests for eval() Rik <octave@nomad.inbox5.com> parents: 13970 diff changeset	4329
7562 c827f5673321 move tests to individual source files John W. Eaton <jwe@octave.org> parents: 7351 diff changeset	4330 %!test
14084 5aba9fa234cf Modernize %!tests for eval() Rik <octave@nomad.inbox5.com> parents: 13970 diff changeset	4331 %! y = eval ("x");
5aba9fa234cf Modernize %!tests for eval() Rik <octave@nomad.inbox5.com> parents: 13970 diff changeset	4332 %! assert (y, 1);
5aba9fa234cf Modernize %!tests for eval() Rik <octave@nomad.inbox5.com> parents: 13970 diff changeset	4333
5aba9fa234cf Modernize %!tests for eval() Rik <octave@nomad.inbox5.com> parents: 13970 diff changeset	4334 %!test
5aba9fa234cf Modernize %!tests for eval() Rik <octave@nomad.inbox5.com> parents: 13970 diff changeset	4335 %! y = eval ("x;");
5aba9fa234cf Modernize %!tests for eval() Rik <octave@nomad.inbox5.com> parents: 13970 diff changeset	4336 %! assert (y, 1);
5aba9fa234cf Modernize %!tests for eval() Rik <octave@nomad.inbox5.com> parents: 13970 diff changeset	4337
5aba9fa234cf Modernize %!tests for eval() Rik <octave@nomad.inbox5.com> parents: 13970 diff changeset	4338 %!test
5aba9fa234cf Modernize %!tests for eval() Rik <octave@nomad.inbox5.com> parents: 13970 diff changeset	4339 %! eval ("x = 1;")
5aba9fa234cf Modernize %!tests for eval() Rik <octave@nomad.inbox5.com> parents: 13970 diff changeset	4340 %! assert (x,1);
5aba9fa234cf Modernize %!tests for eval() Rik <octave@nomad.inbox5.com> parents: 13970 diff changeset	4341
7562 c827f5673321 move tests to individual source files John W. Eaton <jwe@octave.org> parents: 7351 diff changeset	4342 %!test
c827f5673321 move tests to individual source files John W. Eaton <jwe@octave.org> parents: 7351 diff changeset	4343 %! eval ("flipud = 2;");
14084 5aba9fa234cf Modernize %!tests for eval() Rik <octave@nomad.inbox5.com> parents: 13970 diff changeset	4344 %! assert (flipud, 2);
5aba9fa234cf Modernize %!tests for eval() Rik <octave@nomad.inbox5.com> parents: 13970 diff changeset	4345
5aba9fa234cf Modernize %!tests for eval() Rik <octave@nomad.inbox5.com> parents: 13970 diff changeset	4346 %!function y = __f ()
7562 c827f5673321 move tests to individual source files John W. Eaton <jwe@octave.org> parents: 7351 diff changeset	4347 %! eval ("flipud = 2;");
c827f5673321 move tests to individual source files John W. Eaton <jwe@octave.org> parents: 7351 diff changeset	4348 %! y = flipud;
14084 5aba9fa234cf Modernize %!tests for eval() Rik <octave@nomad.inbox5.com> parents: 13970 diff changeset	4349 %!endfunction
5aba9fa234cf Modernize %!tests for eval() Rik <octave@nomad.inbox5.com> parents: 13970 diff changeset	4350 %!assert (__f(), 2)
7562 c827f5673321 move tests to individual source files John W. Eaton <jwe@octave.org> parents: 7351 diff changeset	4351
14533 e6aa044253eb Allow comma at the end of an assignment list (bug #35645) Max Brister <max@2bass.com> parents: 14512 diff changeset	4352 % bug #35645
e6aa044253eb Allow comma at the end of an assignment list (bug #35645) Max Brister <max@2bass.com> parents: 14512 diff changeset	4353 %!test
e6aa044253eb Allow comma at the end of an assignment list (bug #35645) Max Brister <max@2bass.com> parents: 14512 diff changeset	4354 %! [a,] = gcd (1,2);
e6aa044253eb Allow comma at the end of an assignment list (bug #35645) Max Brister <max@2bass.com> parents: 14512 diff changeset	4355 %! [a,b,] = gcd (1, 2);
e6aa044253eb Allow comma at the end of an assignment list (bug #35645) Max Brister <max@2bass.com> parents: 14512 diff changeset	4356
7562 c827f5673321 move tests to individual source files John W. Eaton <jwe@octave.org> parents: 7351 diff changeset	4357 */
c827f5673321 move tests to individual source files John W. Eaton <jwe@octave.org> parents: 7351 diff changeset	4358
4661 12b6fbd57436 [project @ 2003-11-25 05:41:35 by jwe] jwe parents: 4615 diff changeset	4359 DEFUN (assignin, args, ,
4297 59a2ba0fb205 [project @ 2003-01-11 20:22:09 by jwe] jwe parents: 4246 diff changeset	4360 "-- texinfo --\n\
59a2ba0fb205 [project @ 2003-01-11 20:22:09 by jwe] jwe parents: 4246 diff changeset	4361 @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	4362 Assign @var{value} to @var{varname} in context @var{context}, which\n\
17281 bc924baa2c4e doc: Add new @qcode macro for code samples which are quoted. Rik <rik@octave.org> parents: 17249 diff changeset	4363 may be either @qcode{\"base\"} or @qcode{\"caller\"}.\n\
14172 cba1c681f1b7 doc: Update seealso references for eval family of functions. Rik <octave@nomad.inbox5.com> parents: 14153 diff changeset	4364 @seealso{evalin}\n\
4297 59a2ba0fb205 [project @ 2003-01-11 20:22:09 by jwe] jwe parents: 4246 diff changeset	4365 @end deftypefn")
59a2ba0fb205 [project @ 2003-01-11 20:22:09 by jwe] jwe parents: 4246 diff changeset	4366 {
59a2ba0fb205 [project @ 2003-01-11 20:22:09 by jwe] jwe parents: 4246 diff changeset	4367 octave_value_list retval;
59a2ba0fb205 [project @ 2003-01-11 20:22:09 by jwe] jwe parents: 4246 diff changeset	4368
59a2ba0fb205 [project @ 2003-01-11 20:22:09 by jwe] jwe parents: 4246 diff changeset	4369 int nargin = args.length ();
59a2ba0fb205 [project @ 2003-01-11 20:22:09 by jwe] jwe parents: 4246 diff changeset	4370
59a2ba0fb205 [project @ 2003-01-11 20:22:09 by jwe] jwe parents: 4246 diff changeset	4371 if (nargin == 3)
59a2ba0fb205 [project @ 2003-01-11 20:22:09 by jwe] jwe parents: 4246 diff changeset	4372 {
59a2ba0fb205 [project @ 2003-01-11 20:22:09 by jwe] jwe parents: 4246 diff changeset	4373 std::string context = args(0).string_value ();
59a2ba0fb205 [project @ 2003-01-11 20:22:09 by jwe] jwe parents: 4246 diff changeset	4374
59a2ba0fb205 [project @ 2003-01-11 20:22:09 by jwe] jwe parents: 4246 diff changeset	4375 if (! error_state)
59a2ba0fb205 [project @ 2003-01-11 20:22:09 by jwe] jwe parents: 4246 diff changeset	4376 {
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4377 unwind_protect frame;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4378
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4379 if (context == "caller")
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4380 octave_call_stack::goto_caller_frame ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4381 else if (context == "base")
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4382 octave_call_stack::goto_base_frame ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4383 else
12483 7a5aacf65f81 Rewrite error strings in src/ to use variables named in documentation. Rik <octave@nomad.inbox5.com> parents: 12400 diff changeset	4384 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	4385
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4386 if (! error_state)
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 frame.add_fcn (octave_call_stack::pop);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4389
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4390 std::string nm = args(1).string_value ();
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 if (! error_state)
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 (valid_identifier (nm))
16442 302157614308 deprecate symbol_table::varref functions John W. Eaton <jwe@octave.org> parents: 16360 diff changeset	4395 symbol_table::assign (nm, args(2));
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4396 else
12483 7a5aacf65f81 Rewrite error strings in src/ to use variables named in documentation. Rik <octave@nomad.inbox5.com> parents: 12400 diff changeset	4397 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	4398 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4399 else
12483 7a5aacf65f81 Rewrite error strings in src/ to use variables named in documentation. Rik <octave@nomad.inbox5.com> parents: 12400 diff changeset	4400 error ("assignin: VARNAME must be a string");
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4401 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4402 }
4297 59a2ba0fb205 [project @ 2003-01-11 20:22:09 by jwe] jwe parents: 4246 diff changeset	4403 else
12483 7a5aacf65f81 Rewrite error strings in src/ to use variables named in documentation. Rik <octave@nomad.inbox5.com> parents: 12400 diff changeset	4404 error ("assignin: CONTEXT must be a string");
4297 59a2ba0fb205 [project @ 2003-01-11 20:22:09 by jwe] jwe parents: 4246 diff changeset	4405 }
59a2ba0fb205 [project @ 2003-01-11 20:22:09 by jwe] jwe parents: 4246 diff changeset	4406 else
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5794 diff changeset	4407 print_usage ();
4297 59a2ba0fb205 [project @ 2003-01-11 20:22:09 by jwe] jwe parents: 4246 diff changeset	4408
59a2ba0fb205 [project @ 2003-01-11 20:22:09 by jwe] jwe parents: 4246 diff changeset	4409 return retval;
59a2ba0fb205 [project @ 2003-01-11 20:22:09 by jwe] jwe parents: 4246 diff changeset	4410 }
59a2ba0fb205 [project @ 2003-01-11 20:22:09 by jwe] jwe parents: 4246 diff changeset	4411
4245 610671be8792 [project @ 2002-12-28 04:02:31 by jwe] jwe parents: 4244 diff changeset	4412 DEFUN (evalin, args, nargout,
610671be8792 [project @ 2002-12-28 04:02:31 by jwe] jwe parents: 4244 diff changeset	4413 "-- texinfo --\n\
14172 cba1c681f1b7 doc: Update seealso references for eval family of functions. Rik <octave@nomad.inbox5.com> parents: 14153 diff changeset	4414 @deftypefn {Built-in Function} {} evalin (@var{context}, @var{try})\n\
cba1c681f1b7 doc: Update seealso references for eval family of functions. Rik <octave@nomad.inbox5.com> parents: 14153 diff changeset	4415 @deftypefnx {Built-in Function} {} evalin (@var{context}, @var{try}, @var{catch})\n\
4245 610671be8792 [project @ 2002-12-28 04:02:31 by jwe] jwe parents: 4244 diff changeset	4416 Like @code{eval}, except that the expressions are evaluated in the\n\
17281 bc924baa2c4e doc: Add new @qcode macro for code samples which are quoted. Rik <rik@octave.org> parents: 17249 diff changeset	4417 context @var{context}, which may be either @qcode{\"caller\"} or\n\
bc924baa2c4e doc: Add new @qcode macro for code samples which are quoted. Rik <rik@octave.org> parents: 17249 diff changeset	4418 @qcode{\"base\"}.\n\
14172 cba1c681f1b7 doc: Update seealso references for eval family of functions. Rik <octave@nomad.inbox5.com> parents: 14153 diff changeset	4419 @seealso{eval, assignin}\n\
4245 610671be8792 [project @ 2002-12-28 04:02:31 by jwe] jwe parents: 4244 diff changeset	4420 @end deftypefn")
610671be8792 [project @ 2002-12-28 04:02:31 by jwe] jwe parents: 4244 diff changeset	4421 {
610671be8792 [project @ 2002-12-28 04:02:31 by jwe] jwe parents: 4244 diff changeset	4422 octave_value_list retval;
610671be8792 [project @ 2002-12-28 04:02:31 by jwe] jwe parents: 4244 diff changeset	4423
610671be8792 [project @ 2002-12-28 04:02:31 by jwe] jwe parents: 4244 diff changeset	4424 int nargin = args.length ();
610671be8792 [project @ 2002-12-28 04:02:31 by jwe] jwe parents: 4244 diff changeset	4425
610671be8792 [project @ 2002-12-28 04:02:31 by jwe] jwe parents: 4244 diff changeset	4426 if (nargin > 1)
610671be8792 [project @ 2002-12-28 04:02:31 by jwe] jwe parents: 4244 diff changeset	4427 {
610671be8792 [project @ 2002-12-28 04:02:31 by jwe] jwe parents: 4244 diff changeset	4428 std::string context = args(0).string_value ();
610671be8792 [project @ 2002-12-28 04:02:31 by jwe] jwe parents: 4244 diff changeset	4429
610671be8792 [project @ 2002-12-28 04:02:31 by jwe] jwe parents: 4244 diff changeset	4430 if (! error_state)
610671be8792 [project @ 2002-12-28 04:02:31 by jwe] jwe parents: 4244 diff changeset	4431 {
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4432 unwind_protect frame;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4433
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4434 if (context == "caller")
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4435 octave_call_stack::goto_caller_frame ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4436 else if (context == "base")
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4437 octave_call_stack::goto_base_frame ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4438 else
12483 7a5aacf65f81 Rewrite error strings in src/ to use variables named in documentation. Rik <octave@nomad.inbox5.com> parents: 12400 diff changeset	4439 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	4440
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4441 if (! error_state)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4442 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4443 frame.add_fcn (octave_call_stack::pop);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4444
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4445 if (nargin > 2)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4446 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4447 frame.protect_var (buffer_error_messages);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4448 buffer_error_messages++;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4449 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4450
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4451 int parse_status = 0;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4452
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4453 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	4454 parse_status, nargout);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4455
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4456 if (nargout > 0)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4457 retval = tmp;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4458
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4459 if (nargin > 2 && (parse_status != 0 \|\| error_state))
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4460 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4461 error_state = 0;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4462
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4463 // 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	4464 // 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	4465
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4466 buffer_error_messages--;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4467
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4468 tmp = eval_string (args(2), nargout > 0,
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4469 parse_status, nargout);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4470
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4471 retval = (nargout > 0) ? tmp : octave_value_list ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4472 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4473 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10250 diff changeset	4474 }
4245 610671be8792 [project @ 2002-12-28 04:02:31 by jwe] jwe parents: 4244 diff changeset	4475 else
12483 7a5aacf65f81 Rewrite error strings in src/ to use variables named in documentation. Rik <octave@nomad.inbox5.com> parents: 12400 diff changeset	4476 error ("evalin: CONTEXT must be a string");
4245 610671be8792 [project @ 2002-12-28 04:02:31 by jwe] jwe parents: 4244 diff changeset	4477 }
610671be8792 [project @ 2002-12-28 04:02:31 by jwe] jwe parents: 4244 diff changeset	4478 else
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5794 diff changeset	4479 print_usage ();
4245 610671be8792 [project @ 2002-12-28 04:02:31 by jwe] jwe parents: 4244 diff changeset	4480
610671be8792 [project @ 2002-12-28 04:02:31 by jwe] jwe parents: 4244 diff changeset	4481 return retval;
610671be8792 [project @ 2002-12-28 04:02:31 by jwe] jwe parents: 4244 diff changeset	4482 }
610671be8792 [project @ 2002-12-28 04:02:31 by jwe] jwe parents: 4244 diff changeset	4483
8311 7124bffc89c7 parse.y (F__parser_debug_flag__): New function. John W. Eaton <jwe@octave.org> parents: 8283 diff changeset	4484 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	4485 "-- texinfo --\n\
7d48766c21a5 use consistent format for doc strings of internal functions John W. Eaton <jwe@octave.org> parents: 8746 diff changeset	4486 @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	4487 Undocumented internal function.\n\
7d48766c21a5 use consistent format for doc strings of internal functions John W. Eaton <jwe@octave.org> parents: 8746 diff changeset	4488 @end deftypefn")
8311 7124bffc89c7 parse.y (F__parser_debug_flag__): New function. John W. Eaton <jwe@octave.org> parents: 8283 diff changeset	4489 {
7124bffc89c7 parse.y (F__parser_debug_flag__): New function. John W. Eaton <jwe@octave.org> parents: 8283 diff changeset	4490 octave_value retval;
7124bffc89c7 parse.y (F__parser_debug_flag__): New function. John W. Eaton <jwe@octave.org> parents: 8283 diff changeset	4491
7124bffc89c7 parse.y (F__parser_debug_flag__): New function. John W. Eaton <jwe@octave.org> parents: 8283 diff changeset	4492 bool debug_flag = octave_debug;
7124bffc89c7 parse.y (F__parser_debug_flag__): New function. John W. Eaton <jwe@octave.org> parents: 8283 diff changeset	4493
7124bffc89c7 parse.y (F__parser_debug_flag__): New function. John W. Eaton <jwe@octave.org> parents: 8283 diff changeset	4494 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	4495 "__parser_debug_flag__");
8311 7124bffc89c7 parse.y (F__parser_debug_flag__): New function. John W. Eaton <jwe@octave.org> parents: 8283 diff changeset	4496
7124bffc89c7 parse.y (F__parser_debug_flag__): New function. John W. Eaton <jwe@octave.org> parents: 8283 diff changeset	4497 octave_debug = debug_flag;
7124bffc89c7 parse.y (F__parser_debug_flag__): New function. John W. Eaton <jwe@octave.org> parents: 8283 diff changeset	4498
7124bffc89c7 parse.y (F__parser_debug_flag__): New function. John W. Eaton <jwe@octave.org> parents: 8283 diff changeset	4499 return retval;
7124bffc89c7 parse.y (F__parser_debug_flag__): New function. John W. Eaton <jwe@octave.org> parents: 8283 diff changeset	4500 }
17342 091e4df179de new function to help with debugging by parsing .m files without executing them John W. Eaton <jwe@octave.org> parents: 17326 diff changeset	4501
17377 15e2ad6372f7 maint: Tweaks to remove compiler warnings. Rik <rik@octave.org> parents: 17342 diff changeset	4502 DEFUN (__parse_file__, args, ,
17342 091e4df179de new function to help with debugging by parsing .m files without executing them John W. Eaton <jwe@octave.org> parents: 17326 diff changeset	4503 "-- texinfo --\n\
091e4df179de new function to help with debugging by parsing .m files without executing them John W. Eaton <jwe@octave.org> parents: 17326 diff changeset	4504 @deftypefn {Built-in Function} {} __parse_file__ (@var{file}, @var{verbose})\n\
091e4df179de new function to help with debugging by parsing .m files without executing them John W. Eaton <jwe@octave.org> parents: 17326 diff changeset	4505 Undocumented internal function.\n\
091e4df179de new function to help with debugging by parsing .m files without executing them John W. Eaton <jwe@octave.org> parents: 17326 diff changeset	4506 @end deftypefn")
091e4df179de new function to help with debugging by parsing .m files without executing them John W. Eaton <jwe@octave.org> parents: 17326 diff changeset	4507 {
091e4df179de new function to help with debugging by parsing .m files without executing them John W. Eaton <jwe@octave.org> parents: 17326 diff changeset	4508 octave_value retval;
091e4df179de new function to help with debugging by parsing .m files without executing them John W. Eaton <jwe@octave.org> parents: 17326 diff changeset	4509
091e4df179de new function to help with debugging by parsing .m files without executing them John W. Eaton <jwe@octave.org> parents: 17326 diff changeset	4510 int nargin = args.length ();
091e4df179de new function to help with debugging by parsing .m files without executing them John W. Eaton <jwe@octave.org> parents: 17326 diff changeset	4511
091e4df179de new function to help with debugging by parsing .m files without executing them John W. Eaton <jwe@octave.org> parents: 17326 diff changeset	4512 if (nargin == 1 \|\| nargin == 2)
091e4df179de new function to help with debugging by parsing .m files without executing them John W. Eaton <jwe@octave.org> parents: 17326 diff changeset	4513 {
091e4df179de new function to help with debugging by parsing .m files without executing them John W. Eaton <jwe@octave.org> parents: 17326 diff changeset	4514 std::string file = args(0).string_value ();
091e4df179de new function to help with debugging by parsing .m files without executing them John W. Eaton <jwe@octave.org> parents: 17326 diff changeset	4515
091e4df179de new function to help with debugging by parsing .m files without executing them John W. Eaton <jwe@octave.org> parents: 17326 diff changeset	4516 std::string full_file = octave_env::make_absolute (file);
091e4df179de new function to help with debugging by parsing .m files without executing them John W. Eaton <jwe@octave.org> parents: 17326 diff changeset	4517
091e4df179de new function to help with debugging by parsing .m files without executing them John W. Eaton <jwe@octave.org> parents: 17326 diff changeset	4518 size_t file_len = file.length ();
091e4df179de new function to help with debugging by parsing .m files without executing them John W. Eaton <jwe@octave.org> parents: 17326 diff changeset	4519
091e4df179de new function to help with debugging by parsing .m files without executing them John W. Eaton <jwe@octave.org> parents: 17326 diff changeset	4520 if ((file_len > 4 && file.substr (file_len-4) == ".oct")
091e4df179de new function to help with debugging by parsing .m files without executing them John W. Eaton <jwe@octave.org> parents: 17326 diff changeset	4521 \|\| (file_len > 4 && file.substr (file_len-4) == ".mex")
091e4df179de new function to help with debugging by parsing .m files without executing them John W. Eaton <jwe@octave.org> parents: 17326 diff changeset	4522 \|\| (file_len > 2 && file.substr (file_len-2) == ".m"))
091e4df179de new function to help with debugging by parsing .m files without executing them John W. Eaton <jwe@octave.org> parents: 17326 diff changeset	4523 {
091e4df179de new function to help with debugging by parsing .m files without executing them John W. Eaton <jwe@octave.org> parents: 17326 diff changeset	4524 file = octave_env::base_pathname (file);
091e4df179de new function to help with debugging by parsing .m files without executing them John W. Eaton <jwe@octave.org> parents: 17326 diff changeset	4525 file = file.substr (0, file.find_last_of ('.'));
091e4df179de new function to help with debugging by parsing .m files without executing them John W. Eaton <jwe@octave.org> parents: 17326 diff changeset	4526
091e4df179de new function to help with debugging by parsing .m files without executing them John W. Eaton <jwe@octave.org> parents: 17326 diff changeset	4527 size_t pos = file.find_last_of (file_ops::dir_sep_str ());
091e4df179de new function to help with debugging by parsing .m files without executing them John W. Eaton <jwe@octave.org> parents: 17326 diff changeset	4528 if (pos != std::string::npos)
091e4df179de new function to help with debugging by parsing .m files without executing them John W. Eaton <jwe@octave.org> parents: 17326 diff changeset	4529 file = file.substr (pos+1);
091e4df179de new function to help with debugging by parsing .m files without executing them John W. Eaton <jwe@octave.org> parents: 17326 diff changeset	4530 }
091e4df179de new function to help with debugging by parsing .m files without executing them John W. Eaton <jwe@octave.org> parents: 17326 diff changeset	4531
091e4df179de new function to help with debugging by parsing .m files without executing them John W. Eaton <jwe@octave.org> parents: 17326 diff changeset	4532 if (! error_state)
091e4df179de new function to help with debugging by parsing .m files without executing them John W. Eaton <jwe@octave.org> parents: 17326 diff changeset	4533 {
091e4df179de new function to help with debugging by parsing .m files without executing them John W. Eaton <jwe@octave.org> parents: 17326 diff changeset	4534 if (nargin == 2)
091e4df179de new function to help with debugging by parsing .m files without executing them John W. Eaton <jwe@octave.org> parents: 17326 diff changeset	4535 octave_stdout << "parsing " << full_file << std::endl;
091e4df179de new function to help with debugging by parsing .m files without executing them John W. Eaton <jwe@octave.org> parents: 17326 diff changeset	4536
091e4df179de new function to help with debugging by parsing .m files without executing them John W. Eaton <jwe@octave.org> parents: 17326 diff changeset	4537 octave_function *fcn = parse_fcn_file (full_file, file, "",
091e4df179de new function to help with debugging by parsing .m files without executing them John W. Eaton <jwe@octave.org> parents: 17326 diff changeset	4538 true, false, false,
091e4df179de new function to help with debugging by parsing .m files without executing them John W. Eaton <jwe@octave.org> parents: 17326 diff changeset	4539 false, "__parse_file__");
091e4df179de new function to help with debugging by parsing .m files without executing them John W. Eaton <jwe@octave.org> parents: 17326 diff changeset	4540
091e4df179de new function to help with debugging by parsing .m files without executing them John W. Eaton <jwe@octave.org> parents: 17326 diff changeset	4541 if (fcn)
091e4df179de new function to help with debugging by parsing .m files without executing them John W. Eaton <jwe@octave.org> parents: 17326 diff changeset	4542 delete fcn;
091e4df179de new function to help with debugging by parsing .m files without executing them John W. Eaton <jwe@octave.org> parents: 17326 diff changeset	4543 }
091e4df179de new function to help with debugging by parsing .m files without executing them John W. Eaton <jwe@octave.org> parents: 17326 diff changeset	4544 else
091e4df179de new function to help with debugging by parsing .m files without executing them John W. Eaton <jwe@octave.org> parents: 17326 diff changeset	4545 error ("__parse_file__: expecting file name as argument");
091e4df179de new function to help with debugging by parsing .m files without executing them John W. Eaton <jwe@octave.org> parents: 17326 diff changeset	4546 }
091e4df179de new function to help with debugging by parsing .m files without executing them John W. Eaton <jwe@octave.org> parents: 17326 diff changeset	4547 else
091e4df179de new function to help with debugging by parsing .m files without executing them John W. Eaton <jwe@octave.org> parents: 17326 diff changeset	4548 print_usage ();
091e4df179de new function to help with debugging by parsing .m files without executing them John W. Eaton <jwe@octave.org> parents: 17326 diff changeset	4549
091e4df179de new function to help with debugging by parsing .m files without executing them John W. Eaton <jwe@octave.org> parents: 17326 diff changeset	4550 return retval;
091e4df179de new function to help with debugging by parsing .m files without executing them John W. Eaton <jwe@octave.org> parents: 17326 diff changeset	4551 }

Mercurial > hg > octave-nkf

annotate libinterp/parse-tree/oct-parse.in.yy @ 17629:1e8f8900a041