octave: libinterp/corefcn/variables.cc annotate

annotate libinterp/corefcn/variables.cc @ 22091:0f6fc2ec3b1a

move call_stack class to a separate file * call-stack.h, call-stack.cc: New files. Move call_stack class here from toplev.h and toplev.cc. Update include file lists in other files as needed. * libinterp/corefcn/module.mk: Update.

author	John W. Eaton <jwe@octave.org>
date	Mon, 11 Jul 2016 17:05:33 -0400
parents	278fc29b69ca
children	9203833cab7d

rev	line source
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	1 /*
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	2
19697 4197fc428c7d maint: Update copyright notices for 2015. John W. Eaton <jwe@octave.org> parents: 19597 diff changeset	3 Copyright (C) 1993-2015 John W. Eaton
11523 fd0a3ac60b0e update copyright notices John W. Eaton <jwe@octave.org> parents: 11431 diff changeset	4 Copyright (C) 2009-2010 VZLU Prague
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	5
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	6 This file is part of Octave.
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	7
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	8 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	9 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	10 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	11 option) any later version.
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	12
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	13 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	14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	15 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	16 for more details.
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	17
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	18 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	19 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	20 <http://www.gnu.org/licenses/>.
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	21
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	22 */
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	23
21724 aba2e6293dd8 use "#if ..." consistently instead of "#ifdef" and "#ifndef" John W. Eaton <jwe@octave.org> parents: 21660 diff changeset	24 #if defined (HAVE_CONFIG_H)
21301 40de9f8f23a6 Use '#include "config.h"' rather than <config.h>. Rik <rik@octave.org> parents: 21272 diff changeset	25 # include "config.h"
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	26 #endif
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	27
1468 cdb87ef617e8 [project @ 1995-09-22 08:09:53 by jwe] jwe parents: 1465 diff changeset	28 #include <cstdio>
1343 94bedeb289e5 [project @ 1995-09-04 00:29:21 by jwe] jwe parents: 1315 diff changeset	29 #include <cstring>
605 4f65175911a6 [project @ 1994-08-13 20:10:39 by jwe] jwe parents: 598 diff changeset	30
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7065 diff changeset	31 #include <iomanip>
4207 fa3482b34599 [project @ 2002-12-03 18:22:05 by jwe] jwe parents: 4179 diff changeset	32 #include <set>
1728 42b4f904f1af [project @ 1996-01-09 11:36:01 by jwe] jwe parents: 1719 diff changeset	33 #include <string>
42b4f904f1af [project @ 1996-01-09 11:36:01 by jwe] jwe parents: 1719 diff changeset	34
2926 66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: 2921 diff changeset	35 #include "file-stat.h"
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: 2921 diff changeset	36 #include "oct-env.h"
4604 cba347c642e2 [project @ 2003-11-13 04:38:05 by jwe] jwe parents: 4587 diff changeset	37 #include "file-ops.h"
2926 66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: 2921 diff changeset	38 #include "glob-match.h"
16940 99122191d3dd maint: Rename regexp.h to lo-regexp.h, regexp.cc to lo-regexp.cc in liboctave. Rik <rik@octave.org> parents: 16892 diff changeset	39 #include "lo-regexp.h"
1755 3a9462b655f1 [project @ 1996-01-22 04:47:22 by jwe] jwe parents: 1742 diff changeset	40 #include "str-vec.h"
3a9462b655f1 [project @ 1996-01-22 04:47:22 by jwe] jwe parents: 1742 diff changeset	41
22091 0f6fc2ec3b1a move call_stack class to a separate file John W. Eaton <jwe@octave.org> parents: 22022 diff changeset	42 #include "call-stack.h"
2492 06595bc7f2d0 [project @ 1996-11-09 00:13:50 by jwe] jwe parents: 2487 diff changeset	43 #include <defaults.h>
4435 dd7af4fa1942 [project @ 2003-06-23 17:52:36 by jwe] jwe parents: 4357 diff changeset	44 #include "Cell.h"
1352 19c10b8657d5 [project @ 1995-09-05 08:11:57 by jwe] jwe parents: 1350 diff changeset	45 #include "defun.h"
19c10b8657d5 [project @ 1995-09-05 08:11:57 by jwe] jwe parents: 1350 diff changeset	46 #include "dirfns.h"
19c10b8657d5 [project @ 1995-09-05 08:11:57 by jwe] jwe parents: 1350 diff changeset	47 #include "error.h"
21100 e39e05d90788 Switch gripe_XXX to either err_XXX or warn_XXX naming scheme. Rik <rik@octave.org> parents: 21095 diff changeset	48 #include "errwarn.h"
1352 19c10b8657d5 [project @ 1995-09-05 08:11:57 by jwe] jwe parents: 1350 diff changeset	49 #include "help.h"
3165 e4bbfc196e53 [project @ 1998-04-16 03:01:47 by jwe] jwe parents: 3162 diff changeset	50 #include "input.h"
1352 19c10b8657d5 [project @ 1995-09-05 08:11:57 by jwe] jwe parents: 1350 diff changeset	51 #include "lex.h"
5832 5e41e06f6a78 [project @ 2006-05-26 21:41:32 by jwe] jwe parents: 5823 diff changeset	52 #include "load-path.h"
16523 62d8aaf6ba8f force update of GUI workspace viewer from clear function John W. Eaton <jwe@octave.org> parents: 16442 diff changeset	53 #include "octave-link.h"
20925 667861ffffab Extracted header class octave-preserve-stream-state from utils.{cc/h}. Kai T. Ohlhus <k.ohlhus@gmail.com> parents: 20909 diff changeset	54 #include "octave-preserve-stream-state.h"
2926 66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: 2921 diff changeset	55 #include "oct-map.h"
20940 48b2ad5ee801 maint: Rename oct-obj.[cc\|h] to ovl.[cc\|h] for clarity. Rik <rik@octave.org> parents: 20939 diff changeset	56 #include "ovl.h"
2926 66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: 2921 diff changeset	57 #include "ov.h"
9240 f27a8c07f0b2 clear -classes and support. Robert T. Short <octave@phaselockedsystems.com> parents: 9180 diff changeset	58 #include "ov-class.h"
3933 f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe] jwe parents: 3681 diff changeset	59 #include "ov-usr-fcn.h"
605 4f65175911a6 [project @ 1994-08-13 20:10:39 by jwe] jwe parents: 598 diff changeset	60 #include "pager.h"
1352 19c10b8657d5 [project @ 1995-09-05 08:11:57 by jwe] jwe parents: 1350 diff changeset	61 #include "parse.h"
2926 66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: 2921 diff changeset	62 #include "symtab.h"
2205 bd389b53befa [project @ 1996-05-15 06:15:45 by jwe] jwe parents: 2181 diff changeset	63 #include "toplev.h"
1352 19c10b8657d5 [project @ 1995-09-05 08:11:57 by jwe] jwe parents: 1350 diff changeset	64 #include "unwind-prot.h"
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	65 #include "utils.h"
1352 19c10b8657d5 [project @ 1995-09-05 08:11:57 by jwe] jwe parents: 1350 diff changeset	66 #include "variables.h"
2205 bd389b53befa [project @ 1996-05-15 06:15:45 by jwe] jwe parents: 2181 diff changeset	67
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7065 diff changeset	68 // Defines layout for the whos/who -long command
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7065 diff changeset	69 static std::string Vwhos_line_format
7586 84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	70 = " %a:4; %ln:6; %cs:16:6:1; %rb:12; %lc:-1;\n";
195 13c6086c325c [project @ 1993-11-06 10:12:29 by jwe] jwe parents: 191 diff changeset	71
6068 c9f0839c583f [project @ 2006-10-20 16:54:30 by jwe] jwe parents: 5930 diff changeset	72 void
6072 4036e6fca790 [project @ 2006-10-24 01:00:12 by jwe] jwe parents: 6068 diff changeset	73 clear_mex_functions (void)
6068 c9f0839c583f [project @ 2006-10-20 16:54:30 by jwe] jwe parents: 5930 diff changeset	74 {
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7065 diff changeset	75 symbol_table::clear_mex_functions ();
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7065 diff changeset	76 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7065 diff changeset	77
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7065 diff changeset	78 void
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7065 diff changeset	79 clear_function (const std::string& nm)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7065 diff changeset	80 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7065 diff changeset	81 symbol_table::clear_function (nm);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7065 diff changeset	82 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7065 diff changeset	83
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7065 diff changeset	84 void
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7065 diff changeset	85 clear_variable (const std::string& nm)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7065 diff changeset	86 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7065 diff changeset	87 symbol_table::clear_variable (nm);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7065 diff changeset	88 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7065 diff changeset	89
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7065 diff changeset	90 void
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7065 diff changeset	91 clear_symbol (const std::string& nm)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7065 diff changeset	92 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7065 diff changeset	93 symbol_table::clear_symbol (nm);
6068 c9f0839c583f [project @ 2006-10-20 16:54:30 by jwe] jwe parents: 5930 diff changeset	94 }
c9f0839c583f [project @ 2006-10-20 16:54:30 by jwe] jwe parents: 5930 diff changeset	95
593 6f948c6251a9 [project @ 1994-08-09 04:29:10 by jwe] jwe parents: 584 diff changeset	96 // Attributes of variables and functions.
6f948c6251a9 [project @ 1994-08-09 04:29:10 by jwe] jwe parents: 584 diff changeset	97
2086 bfb775fb6fe8 [project @ 1996-04-25 05:55:19 by jwe] jwe parents: 2076 diff changeset	98 // Is this octave_value a valid function?
593 6f948c6251a9 [project @ 1994-08-09 04:29:10 by jwe] jwe parents: 584 diff changeset	99
2975 b9c107cbe388 [project @ 1997-05-15 20:01:00 by jwe] jwe parents: 2963 diff changeset	100 octave_function *
4345 4e23bfdd6172 [project @ 2003-02-20 20:45:49 by jwe] jwe parents: 4342 diff changeset	101 is_valid_function (const std::string& fcn_name,
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	102 const std::string& warn_for, bool warn)
593 6f948c6251a9 [project @ 1994-08-09 04:29:10 by jwe] jwe parents: 584 diff changeset	103 {
2975 b9c107cbe388 [project @ 1997-05-15 20:01:00 by jwe] jwe parents: 2963 diff changeset	104 octave_function *ans = 0;
593 6f948c6251a9 [project @ 1994-08-09 04:29:10 by jwe] jwe parents: 584 diff changeset	105
1755 3a9462b655f1 [project @ 1996-01-22 04:47:22 by jwe] jwe parents: 1742 diff changeset	106 if (! fcn_name.empty ())
3618 8cea69ad95ae [project @ 2000-03-22 20:51:45 by jwe] jwe parents: 3565 diff changeset	107 {
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7065 diff changeset	108 octave_value val = symbol_table::find_function (fcn_name);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7065 diff changeset	109
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7065 diff changeset	110 if (val.is_defined ())
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	111 ans = val.function_value (true);
3618 8cea69ad95ae [project @ 2000-03-22 20:51:45 by jwe] jwe parents: 3565 diff changeset	112 }
593 6f948c6251a9 [project @ 1994-08-09 04:29:10 by jwe] jwe parents: 584 diff changeset	113
21224 2e64b5899d1f maint: invert if/else/error pattern in variables.cc Rik <rik@octave.org> parents: 21200 diff changeset	114 // FIXME: Should this be "err" and "error_for", rather than warn?
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7065 diff changeset	115 if (! ans && warn)
15466 d174210ce1ec use ' instead of ` in error messages, warnings and most comments John W. Eaton <jwe@octave.org> parents: 14138 diff changeset	116 error ("%s: the symbol '%s' is not valid as a function",
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	117 warn_for.c_str (), fcn_name.c_str ());
593 6f948c6251a9 [project @ 1994-08-09 04:29:10 by jwe] jwe parents: 584 diff changeset	118
6f948c6251a9 [project @ 1994-08-09 04:29:10 by jwe] jwe parents: 584 diff changeset	119 return ans;
6f948c6251a9 [project @ 1994-08-09 04:29:10 by jwe] jwe parents: 584 diff changeset	120 }
6f948c6251a9 [project @ 1994-08-09 04:29:10 by jwe] jwe parents: 584 diff changeset	121
2975 b9c107cbe388 [project @ 1997-05-15 20:01:00 by jwe] jwe parents: 2963 diff changeset	122 octave_function *
4345 4e23bfdd6172 [project @ 2003-02-20 20:45:49 by jwe] jwe parents: 4342 diff changeset	123 is_valid_function (const octave_value& arg,
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	124 const std::string& warn_for, bool warn)
3178 09a3064a3a17 [project @ 1998-06-23 03:46:42 by jwe] jwe parents: 3165 diff changeset	125 {
09a3064a3a17 [project @ 1998-06-23 03:46:42 by jwe] jwe parents: 3165 diff changeset	126 octave_function *ans = 0;
09a3064a3a17 [project @ 1998-06-23 03:46:42 by jwe] jwe parents: 3165 diff changeset	127
3523 b80bbb43a1a9 [project @ 2000-02-02 10:25:52 by jwe] jwe parents: 3476 diff changeset	128 std::string fcn_name;
3178 09a3064a3a17 [project @ 1998-06-23 03:46:42 by jwe] jwe parents: 3165 diff changeset	129
09a3064a3a17 [project @ 1998-06-23 03:46:42 by jwe] jwe parents: 3165 diff changeset	130 if (arg.is_string ())
4700 ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4604 diff changeset	131 {
ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4604 diff changeset	132 fcn_name = arg.string_value ();
3178 09a3064a3a17 [project @ 1998-06-23 03:46:42 by jwe] jwe parents: 3165 diff changeset	133
19743 67f2c76f9f4d Remove unnecessary checking of error_state after is_string validation. Rik <rik@octave.org> parents: 19718 diff changeset	134 ans = is_valid_function (fcn_name, warn_for, warn);
4700 ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4604 diff changeset	135 }
3178 09a3064a3a17 [project @ 1998-06-23 03:46:42 by jwe] jwe parents: 3165 diff changeset	136 else if (warn)
21224 2e64b5899d1f maint: invert if/else/error pattern in variables.cc Rik <rik@octave.org> parents: 21200 diff changeset	137 // FIXME: Should this be "err" and "error_for", rather than warn?
20711 7b608fadc663 Make error messages more specific about the variable and problem encountered. Rik <rik@octave.org> parents: 20704 diff changeset	138 error ("%s: argument must be a string containing function name", warn_for.c_str ());
3178 09a3064a3a17 [project @ 1998-06-23 03:46:42 by jwe] jwe parents: 3165 diff changeset	139
09a3064a3a17 [project @ 1998-06-23 03:46:42 by jwe] jwe parents: 3165 diff changeset	140 return ans;
09a3064a3a17 [project @ 1998-06-23 03:46:42 by jwe] jwe parents: 3165 diff changeset	141 }
09a3064a3a17 [project @ 1998-06-23 03:46:42 by jwe] jwe parents: 3165 diff changeset	142
09a3064a3a17 [project @ 1998-06-23 03:46:42 by jwe] jwe parents: 3165 diff changeset	143 octave_function *
3523 b80bbb43a1a9 [project @ 2000-02-02 10:25:52 by jwe] jwe parents: 3476 diff changeset	144 extract_function (const octave_value& arg, const std::string& warn_for,
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	145 const std::string& fname, const std::string& header,
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	146 const std::string& trailer)
2796 74bc1ede3c3d [project @ 1997-03-07 06:55:47 by jwe] jwe parents: 2790 diff changeset	147 {
2975 b9c107cbe388 [project @ 1997-05-15 20:01:00 by jwe] jwe parents: 2963 diff changeset	148 octave_function *retval = 0;
2796 74bc1ede3c3d [project @ 1997-03-07 06:55:47 by jwe] jwe parents: 2790 diff changeset	149
74bc1ede3c3d [project @ 1997-03-07 06:55:47 by jwe] jwe parents: 2790 diff changeset	150 retval = is_valid_function (arg, warn_for, 0);
74bc1ede3c3d [project @ 1997-03-07 06:55:47 by jwe] jwe parents: 2790 diff changeset	151
74bc1ede3c3d [project @ 1997-03-07 06:55:47 by jwe] jwe parents: 2790 diff changeset	152 if (! retval)
74bc1ede3c3d [project @ 1997-03-07 06:55:47 by jwe] jwe parents: 2790 diff changeset	153 {
20711 7b608fadc663 Make error messages more specific about the variable and problem encountered. Rik <rik@octave.org> parents: 20704 diff changeset	154 std::string s = arg.xstring_value ("%s: first argument must be a string",
7b608fadc663 Make error messages more specific about the variable and problem encountered. Rik <rik@octave.org> parents: 20704 diff changeset	155 warn_for.c_str ());
20581 fd0efcdb3718 use new string_value method to handle value extraction errors John W. Eaton <jwe@octave.org> parents: 20556 diff changeset	156
fd0efcdb3718 use new string_value method to handle value extraction errors John W. Eaton <jwe@octave.org> parents: 20556 diff changeset	157 std::string cmd = header;
fd0efcdb3718 use new string_value method to handle value extraction errors John W. Eaton <jwe@octave.org> parents: 20556 diff changeset	158 cmd.append (s);
fd0efcdb3718 use new string_value method to handle value extraction errors John W. Eaton <jwe@octave.org> parents: 20556 diff changeset	159 cmd.append (trailer);
fd0efcdb3718 use new string_value method to handle value extraction errors John W. Eaton <jwe@octave.org> parents: 20556 diff changeset	160
fd0efcdb3718 use new string_value method to handle value extraction errors John W. Eaton <jwe@octave.org> parents: 20556 diff changeset	161 int parse_status;
fd0efcdb3718 use new string_value method to handle value extraction errors John W. Eaton <jwe@octave.org> parents: 20556 diff changeset	162
fd0efcdb3718 use new string_value method to handle value extraction errors John W. Eaton <jwe@octave.org> parents: 20556 diff changeset	163 eval_string (cmd, true, parse_status, 0);
fd0efcdb3718 use new string_value method to handle value extraction errors John W. Eaton <jwe@octave.org> parents: 20556 diff changeset	164
21224 2e64b5899d1f maint: invert if/else/error pattern in variables.cc Rik <rik@octave.org> parents: 21200 diff changeset	165 if (parse_status != 0)
20581 fd0efcdb3718 use new string_value method to handle value extraction errors John W. Eaton <jwe@octave.org> parents: 20556 diff changeset	166 error ("%s: '%s' is not valid as a function",
fd0efcdb3718 use new string_value method to handle value extraction errors John W. Eaton <jwe@octave.org> parents: 20556 diff changeset	167 warn_for.c_str (), fname.c_str ());
21224 2e64b5899d1f maint: invert if/else/error pattern in variables.cc Rik <rik@octave.org> parents: 21200 diff changeset	168
2e64b5899d1f maint: invert if/else/error pattern in variables.cc Rik <rik@octave.org> parents: 21200 diff changeset	169 retval = is_valid_function (fname, warn_for, 0);
2e64b5899d1f maint: invert if/else/error pattern in variables.cc Rik <rik@octave.org> parents: 21200 diff changeset	170
2e64b5899d1f maint: invert if/else/error pattern in variables.cc Rik <rik@octave.org> parents: 21200 diff changeset	171 if (! retval)
2e64b5899d1f maint: invert if/else/error pattern in variables.cc Rik <rik@octave.org> parents: 21200 diff changeset	172 error ("%s: '%s' is not valid as a function",
2e64b5899d1f maint: invert if/else/error pattern in variables.cc Rik <rik@octave.org> parents: 21200 diff changeset	173 warn_for.c_str (), fname.c_str ());
2e64b5899d1f maint: invert if/else/error pattern in variables.cc Rik <rik@octave.org> parents: 21200 diff changeset	174
2e64b5899d1f maint: invert if/else/error pattern in variables.cc Rik <rik@octave.org> parents: 21200 diff changeset	175 warning ("%s: passing function body as a string is obsolete; please use anonymous functions",
2e64b5899d1f maint: invert if/else/error pattern in variables.cc Rik <rik@octave.org> parents: 21200 diff changeset	176 warn_for.c_str ());
2796 74bc1ede3c3d [project @ 1997-03-07 06:55:47 by jwe] jwe parents: 2790 diff changeset	177 }
74bc1ede3c3d [project @ 1997-03-07 06:55:47 by jwe] jwe parents: 2790 diff changeset	178
74bc1ede3c3d [project @ 1997-03-07 06:55:47 by jwe] jwe parents: 2790 diff changeset	179 return retval;
74bc1ede3c3d [project @ 1997-03-07 06:55:47 by jwe] jwe parents: 2790 diff changeset	180 }
74bc1ede3c3d [project @ 1997-03-07 06:55:47 by jwe] jwe parents: 2790 diff changeset	181
2921 64dd86522a1d [project @ 1997-05-02 02:52:54 by jwe] jwe parents: 2909 diff changeset	182 string_vector
3523 b80bbb43a1a9 [project @ 2000-02-02 10:25:52 by jwe] jwe parents: 3476 diff changeset	183 get_struct_elts (const std::string& text)
2921 64dd86522a1d [project @ 1997-05-02 02:52:54 by jwe] jwe parents: 2909 diff changeset	184 {
64dd86522a1d [project @ 1997-05-02 02:52:54 by jwe] jwe parents: 2909 diff changeset	185 int n = 1;
64dd86522a1d [project @ 1997-05-02 02:52:54 by jwe] jwe parents: 2909 diff changeset	186
64dd86522a1d [project @ 1997-05-02 02:52:54 by jwe] jwe parents: 2909 diff changeset	187 size_t pos = 0;
64dd86522a1d [project @ 1997-05-02 02:52:54 by jwe] jwe parents: 2909 diff changeset	188
64dd86522a1d [project @ 1997-05-02 02:52:54 by jwe] jwe parents: 2909 diff changeset	189 size_t len = text.length ();
64dd86522a1d [project @ 1997-05-02 02:52:54 by jwe] jwe parents: 2909 diff changeset	190
8021 85184151822e fix typo in NPOS change John W. Eaton <jwe@octave.org> parents: 8019 diff changeset	191 while ((pos = text.find ('.', pos)) != std::string::npos)
2921 64dd86522a1d [project @ 1997-05-02 02:52:54 by jwe] jwe parents: 2909 diff changeset	192 {
64dd86522a1d [project @ 1997-05-02 02:52:54 by jwe] jwe parents: 2909 diff changeset	193 if (++pos == len)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	194 break;
2921 64dd86522a1d [project @ 1997-05-02 02:52:54 by jwe] jwe parents: 2909 diff changeset	195
64dd86522a1d [project @ 1997-05-02 02:52:54 by jwe] jwe parents: 2909 diff changeset	196 n++;
64dd86522a1d [project @ 1997-05-02 02:52:54 by jwe] jwe parents: 2909 diff changeset	197 }
64dd86522a1d [project @ 1997-05-02 02:52:54 by jwe] jwe parents: 2909 diff changeset	198
64dd86522a1d [project @ 1997-05-02 02:52:54 by jwe] jwe parents: 2909 diff changeset	199 string_vector retval (n);
64dd86522a1d [project @ 1997-05-02 02:52:54 by jwe] jwe parents: 2909 diff changeset	200
64dd86522a1d [project @ 1997-05-02 02:52:54 by jwe] jwe parents: 2909 diff changeset	201 pos = 0;
64dd86522a1d [project @ 1997-05-02 02:52:54 by jwe] jwe parents: 2909 diff changeset	202
64dd86522a1d [project @ 1997-05-02 02:52:54 by jwe] jwe parents: 2909 diff changeset	203 for (int i = 0; i < n; i++)
64dd86522a1d [project @ 1997-05-02 02:52:54 by jwe] jwe parents: 2909 diff changeset	204 {
4587 7b957b442818 [project @ 2003-11-10 15:50:39 by jwe] jwe parents: 4526 diff changeset	205 len = text.find ('.', pos);
2921 64dd86522a1d [project @ 1997-05-02 02:52:54 by jwe] jwe parents: 2909 diff changeset	206
8021 85184151822e fix typo in NPOS change John W. Eaton <jwe@octave.org> parents: 8019 diff changeset	207 if (len != std::string::npos)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	208 len -= pos;
2921 64dd86522a1d [project @ 1997-05-02 02:52:54 by jwe] jwe parents: 2909 diff changeset	209
64dd86522a1d [project @ 1997-05-02 02:52:54 by jwe] jwe parents: 2909 diff changeset	210 retval[i] = text.substr (pos, len);
64dd86522a1d [project @ 1997-05-02 02:52:54 by jwe] jwe parents: 2909 diff changeset	211
8021 85184151822e fix typo in NPOS change John W. Eaton <jwe@octave.org> parents: 8019 diff changeset	212 if (len != std::string::npos)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	213 pos += len + 1;
2921 64dd86522a1d [project @ 1997-05-02 02:52:54 by jwe] jwe parents: 2909 diff changeset	214 }
64dd86522a1d [project @ 1997-05-02 02:52:54 by jwe] jwe parents: 2909 diff changeset	215
64dd86522a1d [project @ 1997-05-02 02:52:54 by jwe] jwe parents: 2909 diff changeset	216 return retval;
64dd86522a1d [project @ 1997-05-02 02:52:54 by jwe] jwe parents: 2909 diff changeset	217 }
64dd86522a1d [project @ 1997-05-02 02:52:54 by jwe] jwe parents: 2909 diff changeset	218
4179 8734ba917fea [project @ 2002-11-14 04:31:19 by jwe] jwe parents: 4143 diff changeset	219 static inline bool
8734ba917fea [project @ 2002-11-14 04:31:19 by jwe] jwe parents: 4143 diff changeset	220 is_variable (const std::string& name)
8734ba917fea [project @ 2002-11-14 04:31:19 by jwe] jwe parents: 4143 diff changeset	221 {
8734ba917fea [project @ 2002-11-14 04:31:19 by jwe] jwe parents: 4143 diff changeset	222 bool retval = false;
8734ba917fea [project @ 2002-11-14 04:31:19 by jwe] jwe parents: 4143 diff changeset	223
8734ba917fea [project @ 2002-11-14 04:31:19 by jwe] jwe parents: 4143 diff changeset	224 if (! name.empty ())
8734ba917fea [project @ 2002-11-14 04:31:19 by jwe] jwe parents: 4143 diff changeset	225 {
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7065 diff changeset	226 octave_value val = symbol_table::varval (name);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7065 diff changeset	227
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7065 diff changeset	228 retval = val.is_defined ();
4179 8734ba917fea [project @ 2002-11-14 04:31:19 by jwe] jwe parents: 4143 diff changeset	229 }
8734ba917fea [project @ 2002-11-14 04:31:19 by jwe] jwe parents: 4143 diff changeset	230
8734ba917fea [project @ 2002-11-14 04:31:19 by jwe] jwe parents: 4143 diff changeset	231 return retval;
8734ba917fea [project @ 2002-11-14 04:31:19 by jwe] jwe parents: 4143 diff changeset	232 }
8734ba917fea [project @ 2002-11-14 04:31:19 by jwe] jwe parents: 4143 diff changeset	233
2921 64dd86522a1d [project @ 1997-05-02 02:52:54 by jwe] jwe parents: 2909 diff changeset	234 string_vector
3933 f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe] jwe parents: 3681 diff changeset	235 generate_struct_completions (const std::string& text,
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	236 std::string& prefix, std::string& hint)
2921 64dd86522a1d [project @ 1997-05-02 02:52:54 by jwe] jwe parents: 2909 diff changeset	237 {
64dd86522a1d [project @ 1997-05-02 02:52:54 by jwe] jwe parents: 2909 diff changeset	238 string_vector names;
64dd86522a1d [project @ 1997-05-02 02:52:54 by jwe] jwe parents: 2909 diff changeset	239
64dd86522a1d [project @ 1997-05-02 02:52:54 by jwe] jwe parents: 2909 diff changeset	240 size_t pos = text.rfind ('.');
64dd86522a1d [project @ 1997-05-02 02:52:54 by jwe] jwe parents: 2909 diff changeset	241
8021 85184151822e fix typo in NPOS change John W. Eaton <jwe@octave.org> parents: 8019 diff changeset	242 if (pos != std::string::npos)
2921 64dd86522a1d [project @ 1997-05-02 02:52:54 by jwe] jwe parents: 2909 diff changeset	243 {
64dd86522a1d [project @ 1997-05-02 02:52:54 by jwe] jwe parents: 2909 diff changeset	244 if (pos == text.length ())
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	245 hint = "";
2921 64dd86522a1d [project @ 1997-05-02 02:52:54 by jwe] jwe parents: 2909 diff changeset	246 else
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	247 hint = text.substr (pos+1);
2921 64dd86522a1d [project @ 1997-05-02 02:52:54 by jwe] jwe parents: 2909 diff changeset	248
64dd86522a1d [project @ 1997-05-02 02:52:54 by jwe] jwe parents: 2909 diff changeset	249 prefix = text.substr (0, pos);
64dd86522a1d [project @ 1997-05-02 02:52:54 by jwe] jwe parents: 2909 diff changeset	250
4179 8734ba917fea [project @ 2002-11-14 04:31:19 by jwe] jwe parents: 4143 diff changeset	251 std::string base_name = prefix;
8734ba917fea [project @ 2002-11-14 04:31:19 by jwe] jwe parents: 4143 diff changeset	252
8734ba917fea [project @ 2002-11-14 04:31:19 by jwe] jwe parents: 4143 diff changeset	253 pos = base_name.find_first_of ("{(.");
2921 64dd86522a1d [project @ 1997-05-02 02:52:54 by jwe] jwe parents: 2909 diff changeset	254
8021 85184151822e fix typo in NPOS change John W. Eaton <jwe@octave.org> parents: 8019 diff changeset	255 if (pos != std::string::npos)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	256 base_name = base_name.substr (0, pos);
4143 62afb31c1f85 [project @ 2002-11-01 17:27:38 by jwe] jwe parents: 4108 diff changeset	257
4179 8734ba917fea [project @ 2002-11-14 04:31:19 by jwe] jwe parents: 4143 diff changeset	258 if (is_variable (base_name))
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	259 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	260 int parse_status;
4179 8734ba917fea [project @ 2002-11-14 04:31:19 by jwe] jwe parents: 4143 diff changeset	261
21743 f4d7d0eb5b0c use namespace for unwind_protect class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	262 octave::unwind_protect frame;
3935 1ea29376e43e [project @ 2002-05-16 05:30:51 by jwe] jwe parents: 3933 diff changeset	263
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	264 frame.protect_var (discard_error_messages);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	265 frame.protect_var (discard_warning_messages);
3935 1ea29376e43e [project @ 2002-05-16 05:30:51 by jwe] jwe parents: 3933 diff changeset	266
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	267 discard_error_messages = true;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	268 discard_warning_messages = true;
2921 64dd86522a1d [project @ 1997-05-02 02:52:54 by jwe] jwe parents: 2909 diff changeset	269
20769 58e79b0078e4 handle exceptions when discarding error messages (bug #46534) John W. Eaton <jwe@octave.org> parents: 20760 diff changeset	270 try
58e79b0078e4 handle exceptions when discarding error messages (bug #46534) John W. Eaton <jwe@octave.org> parents: 20760 diff changeset	271 {
58e79b0078e4 handle exceptions when discarding error messages (bug #46534) John W. Eaton <jwe@octave.org> parents: 20760 diff changeset	272 octave_value tmp = eval_string (prefix, true, parse_status);
58e79b0078e4 handle exceptions when discarding error messages (bug #46534) John W. Eaton <jwe@octave.org> parents: 20760 diff changeset	273
58e79b0078e4 handle exceptions when discarding error messages (bug #46534) John W. Eaton <jwe@octave.org> parents: 20760 diff changeset	274 frame.run ();
58e79b0078e4 handle exceptions when discarding error messages (bug #46534) John W. Eaton <jwe@octave.org> parents: 20760 diff changeset	275
58e79b0078e4 handle exceptions when discarding error messages (bug #46534) John W. Eaton <jwe@octave.org> parents: 20760 diff changeset	276 if (tmp.is_defined ()
58e79b0078e4 handle exceptions when discarding error messages (bug #46534) John W. Eaton <jwe@octave.org> parents: 20760 diff changeset	277 && (tmp.is_map () \|\| tmp.is_java () \|\| tmp.is_classdef_object ()))
58e79b0078e4 handle exceptions when discarding error messages (bug #46534) John W. Eaton <jwe@octave.org> parents: 20760 diff changeset	278 names = tmp.map_keys ();
58e79b0078e4 handle exceptions when discarding error messages (bug #46534) John W. Eaton <jwe@octave.org> parents: 20760 diff changeset	279 }
58e79b0078e4 handle exceptions when discarding error messages (bug #46534) John W. Eaton <jwe@octave.org> parents: 20760 diff changeset	280 catch (const octave_execution_exception&)
58e79b0078e4 handle exceptions when discarding error messages (bug #46534) John W. Eaton <jwe@octave.org> parents: 20760 diff changeset	281 {
58e79b0078e4 handle exceptions when discarding error messages (bug #46534) John W. Eaton <jwe@octave.org> parents: 20760 diff changeset	282 recover_from_exception ();
58e79b0078e4 handle exceptions when discarding error messages (bug #46534) John W. Eaton <jwe@octave.org> parents: 20760 diff changeset	283 }
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	284 }
4179 8734ba917fea [project @ 2002-11-14 04:31:19 by jwe] jwe parents: 4143 diff changeset	285 }
2921 64dd86522a1d [project @ 1997-05-02 02:52:54 by jwe] jwe parents: 2909 diff changeset	286
64dd86522a1d [project @ 1997-05-02 02:52:54 by jwe] jwe parents: 2909 diff changeset	287 return names;
64dd86522a1d [project @ 1997-05-02 02:52:54 by jwe] jwe parents: 2909 diff changeset	288 }
64dd86522a1d [project @ 1997-05-02 02:52:54 by jwe] jwe parents: 2909 diff changeset	289
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17756 diff changeset	290 // FIXME: this will have to be much smarter to work "correctly".
4179 8734ba917fea [project @ 2002-11-14 04:31:19 by jwe] jwe parents: 4143 diff changeset	291
2921 64dd86522a1d [project @ 1997-05-02 02:52:54 by jwe] jwe parents: 2909 diff changeset	292 bool
3523 b80bbb43a1a9 [project @ 2000-02-02 10:25:52 by jwe] jwe parents: 3476 diff changeset	293 looks_like_struct (const std::string& text)
2921 64dd86522a1d [project @ 1997-05-02 02:52:54 by jwe] jwe parents: 2909 diff changeset	294 {
4604 cba347c642e2 [project @ 2003-11-13 04:38:05 by jwe] jwe parents: 4587 diff changeset	295 bool retval = (! text.empty ()
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	296 && text != "."
21733 cb0fdd941d84 use namespace for system file_ops class John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	297 && text.find_first_of (octave::sys::file_ops::dir_sep_chars ()) == std::string::npos
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	298 && text.find ("..") == std::string::npos
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	299 && text.rfind ('.') != std::string::npos);
3968 cef0ea4d1b3a [project @ 2002-07-01 19:16:01 by jwe] jwe parents: 3935 diff changeset	300
4179 8734ba917fea [project @ 2002-11-14 04:31:19 by jwe] jwe parents: 4143 diff changeset	301 #if 0
3968 cef0ea4d1b3a [project @ 2002-07-01 19:16:01 by jwe] jwe parents: 3935 diff changeset	302 symbol_record *sr = curr_sym_tab->lookup (text);
2963 c0c280cda856 [project @ 1997-05-12 03:25:07 by jwe] jwe parents: 2956 diff changeset	303
3968 cef0ea4d1b3a [project @ 2002-07-01 19:16:01 by jwe] jwe parents: 3935 diff changeset	304 if (sr && ! sr->is_function ())
cef0ea4d1b3a [project @ 2002-07-01 19:16:01 by jwe] jwe parents: 3935 diff changeset	305 {
cef0ea4d1b3a [project @ 2002-07-01 19:16:01 by jwe] jwe parents: 3935 diff changeset	306 int parse_status;
2921 64dd86522a1d [project @ 1997-05-02 02:52:54 by jwe] jwe parents: 2909 diff changeset	307
21743 f4d7d0eb5b0c use namespace for unwind_protect class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	308 octave::unwind_protect frame;
4143 62afb31c1f85 [project @ 2002-11-01 17:27:38 by jwe] jwe parents: 4108 diff changeset	309
10066 2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 9750 diff changeset	310 frame.protect_var (discard_error_messages);
4143 62afb31c1f85 [project @ 2002-11-01 17:27:38 by jwe] jwe parents: 4108 diff changeset	311
62afb31c1f85 [project @ 2002-11-01 17:27:38 by jwe] jwe parents: 4108 diff changeset	312 discard_error_messages = true;
62afb31c1f85 [project @ 2002-11-01 17:27:38 by jwe] jwe parents: 4108 diff changeset	313
3968 cef0ea4d1b3a [project @ 2002-07-01 19:16:01 by jwe] jwe parents: 3935 diff changeset	314 octave_value tmp = eval_string (text, true, parse_status);
cef0ea4d1b3a [project @ 2002-07-01 19:16:01 by jwe] jwe parents: 3935 diff changeset	315
10066 2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 9750 diff changeset	316 frame.run ();
4143 62afb31c1f85 [project @ 2002-11-01 17:27:38 by jwe] jwe parents: 4108 diff changeset	317
3968 cef0ea4d1b3a [project @ 2002-07-01 19:16:01 by jwe] jwe parents: 3935 diff changeset	318 retval = (tmp.is_defined () && tmp.is_map ());
cef0ea4d1b3a [project @ 2002-07-01 19:16:01 by jwe] jwe parents: 3935 diff changeset	319 }
4179 8734ba917fea [project @ 2002-11-14 04:31:19 by jwe] jwe parents: 4143 diff changeset	320 #endif
3968 cef0ea4d1b3a [project @ 2002-07-01 19:16:01 by jwe] jwe parents: 3935 diff changeset	321
cef0ea4d1b3a [project @ 2002-07-01 19:16:01 by jwe] jwe parents: 3935 diff changeset	322 return retval;
2921 64dd86522a1d [project @ 1997-05-02 02:52:54 by jwe] jwe parents: 2909 diff changeset	323 }
2796 74bc1ede3c3d [project @ 1997-03-07 06:55:47 by jwe] jwe parents: 2790 diff changeset	324
5930 a703198cb8b8 [project @ 2006-08-15 06:06:15 by jwe] jwe parents: 5929 diff changeset	325 static octave_value
a703198cb8b8 [project @ 2006-08-15 06:06:15 by jwe] jwe parents: 5929 diff changeset	326 do_isglobal (const octave_value_list& args)
593 6f948c6251a9 [project @ 1994-08-09 04:29:10 by jwe] jwe parents: 584 diff changeset	327 {
20819 f428cbe7576f eliminate unnecessary uses of nargin John W. Eaton <jwe@octave.org> parents: 20799 diff changeset	328 if (args.length () != 1)
20799 c349d4c91ce2 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20769 diff changeset	329 print_usage ();
593 6f948c6251a9 [project @ 1994-08-09 04:29:10 by jwe] jwe parents: 584 diff changeset	330
19403 03067dab10ca Use stricter input validation when looking for a string as input (bug #42651). Rik <rik@octave.org> parents: 19152 diff changeset	331 if (! args(0).is_string ())
20831 35241c4b696c eliminate return statements after calls to error John W. Eaton <jwe@octave.org> parents: 20819 diff changeset	332 error ("isglobal: NAME must be a string");
636 fae2bd91c027 [project @ 1994-08-23 18:39:50 by jwe] jwe parents: 628 diff changeset	333
19403 03067dab10ca Use stricter input validation when looking for a string as input (bug #42651). Rik <rik@octave.org> parents: 19152 diff changeset	334 std::string name = args(0).string_value ();
03067dab10ca Use stricter input validation when looking for a string as input (bug #42651). Rik <rik@octave.org> parents: 19152 diff changeset	335
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7065 diff changeset	336 return symbol_table::is_global (name);
593 6f948c6251a9 [project @ 1994-08-09 04:29:10 by jwe] jwe parents: 584 diff changeset	337 }
6f948c6251a9 [project @ 1994-08-09 04:29:10 by jwe] jwe parents: 584 diff changeset	338
5930 a703198cb8b8 [project @ 2006-08-15 06:06:15 by jwe] jwe parents: 5929 diff changeset	339 DEFUN (isglobal, args, ,
21966 112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	340 doc: /* -- texinfo --
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	341 @deftypefn {} {} isglobal (@var{name})
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	342 Return true if @var{name} is a globally visible variable.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	343
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	344 For example:
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	345
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	346 @example
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	347 @group
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	348 global x
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	349 isglobal ("x")
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	350 @result{} 1
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	351 @end group
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	352 @end example
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	353 @seealso{isvarname, exist}
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	354 @end deftypefn */)
5930 a703198cb8b8 [project @ 2006-08-15 06:06:15 by jwe] jwe parents: 5929 diff changeset	355 {
a703198cb8b8 [project @ 2006-08-15 06:06:15 by jwe] jwe parents: 5929 diff changeset	356 return do_isglobal (args);
a703198cb8b8 [project @ 2006-08-15 06:06:15 by jwe] jwe parents: 5929 diff changeset	357 }
a703198cb8b8 [project @ 2006-08-15 06:06:15 by jwe] jwe parents: 5929 diff changeset	358
21389 64efef931bd0 Add BIST tests for bitpack, bitunpack, isglobal, and typecast Mike Miller <mtmiller@octave.org> parents: 21317 diff changeset	359 /*
64efef931bd0 Add BIST tests for bitpack, bitunpack, isglobal, and typecast Mike Miller <mtmiller@octave.org> parents: 21317 diff changeset	360 %!test
64efef931bd0 Add BIST tests for bitpack, bitunpack, isglobal, and typecast Mike Miller <mtmiller@octave.org> parents: 21317 diff changeset	361 %! global x;
21580 ecce63c99c3f maint: Add semicolons to terminate code in %! blocks. Rik <rik@octave.org> parents: 21568 diff changeset	362 %! assert (isglobal ("x"), true);
21389 64efef931bd0 Add BIST tests for bitpack, bitunpack, isglobal, and typecast Mike Miller <mtmiller@octave.org> parents: 21317 diff changeset	363
64efef931bd0 Add BIST tests for bitpack, bitunpack, isglobal, and typecast Mike Miller <mtmiller@octave.org> parents: 21317 diff changeset	364 %!error isglobal ()
64efef931bd0 Add BIST tests for bitpack, bitunpack, isglobal, and typecast Mike Miller <mtmiller@octave.org> parents: 21317 diff changeset	365 %!error isglobal ("a", "b")
64efef931bd0 Add BIST tests for bitpack, bitunpack, isglobal, and typecast Mike Miller <mtmiller@octave.org> parents: 21317 diff changeset	366 %!error isglobal (1)
64efef931bd0 Add BIST tests for bitpack, bitunpack, isglobal, and typecast Mike Miller <mtmiller@octave.org> parents: 21317 diff changeset	367 */
64efef931bd0 Add BIST tests for bitpack, bitunpack, isglobal, and typecast Mike Miller <mtmiller@octave.org> parents: 21317 diff changeset	368
9454 c58b8960c7d0 variables.cc (symbol_exist): ignore errors when parsing functions John W. Eaton <jwe@octave.org> parents: 9445 diff changeset	369 static octave_value
c58b8960c7d0 variables.cc (symbol_exist): ignore errors when parsing functions John W. Eaton <jwe@octave.org> parents: 9445 diff changeset	370 safe_symbol_lookup (const std::string& symbol_name)
c58b8960c7d0 variables.cc (symbol_exist): ignore errors when parsing functions John W. Eaton <jwe@octave.org> parents: 9445 diff changeset	371 {
c58b8960c7d0 variables.cc (symbol_exist): ignore errors when parsing functions John W. Eaton <jwe@octave.org> parents: 9445 diff changeset	372 octave_value retval;
c58b8960c7d0 variables.cc (symbol_exist): ignore errors when parsing functions John W. Eaton <jwe@octave.org> parents: 9445 diff changeset	373
21743 f4d7d0eb5b0c use namespace for unwind_protect class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	374 octave::unwind_protect frame;
11029 4ab04ea74b08 make an internal function for try simulation Jaroslav Hajek <highegg@gmail.com> parents: 10975 diff changeset	375 interpreter_try (frame);
9454 c58b8960c7d0 variables.cc (symbol_exist): ignore errors when parsing functions John W. Eaton <jwe@octave.org> parents: 9445 diff changeset	376
20535 b70cc4bd8109 begin removal of global error_state variable John W. Eaton <jwe@octave.org> parents: 20232 diff changeset	377 try
b70cc4bd8109 begin removal of global error_state variable John W. Eaton <jwe@octave.org> parents: 20232 diff changeset	378 {
b70cc4bd8109 begin removal of global error_state variable John W. Eaton <jwe@octave.org> parents: 20232 diff changeset	379 retval = symbol_table::find (symbol_name);
b70cc4bd8109 begin removal of global error_state variable John W. Eaton <jwe@octave.org> parents: 20232 diff changeset	380 }
b70cc4bd8109 begin removal of global error_state variable John W. Eaton <jwe@octave.org> parents: 20232 diff changeset	381 catch (const octave_execution_exception&)
b70cc4bd8109 begin removal of global error_state variable John W. Eaton <jwe@octave.org> parents: 20232 diff changeset	382 {
20756 200ae1d650b7 propagate octave_execution_exception objects through try/catch blocks John W. Eaton <jwe@octave.org> parents: 20727 diff changeset	383 recover_from_exception ();
20535 b70cc4bd8109 begin removal of global error_state variable John W. Eaton <jwe@octave.org> parents: 20232 diff changeset	384 }
9454 c58b8960c7d0 variables.cc (symbol_exist): ignore errors when parsing functions John W. Eaton <jwe@octave.org> parents: 9445 diff changeset	385
c58b8960c7d0 variables.cc (symbol_exist): ignore errors when parsing functions John W. Eaton <jwe@octave.org> parents: 9445 diff changeset	386 return retval;
c58b8960c7d0 variables.cc (symbol_exist): ignore errors when parsing functions John W. Eaton <jwe@octave.org> parents: 9445 diff changeset	387 }
c58b8960c7d0 variables.cc (symbol_exist): ignore errors when parsing functions John W. Eaton <jwe@octave.org> parents: 9445 diff changeset	388
4016 139f5273d0f8 [project @ 2002-08-02 22:55:51 by jwe] jwe parents: 4010 diff changeset	389 int
139f5273d0f8 [project @ 2002-08-02 22:55:51 by jwe] jwe parents: 4010 diff changeset	390 symbol_exist (const std::string& name, const std::string& type)
593 6f948c6251a9 [project @ 1994-08-09 04:29:10 by jwe] jwe parents: 584 diff changeset	391 {
18856 de8c67ba7ac4 Use Matlab return hierarchy for exist() codes when no type is specified. Rik <rik@octave.org> parents: 18282 diff changeset	392 if (is_keyword (name))
17963 2ca3a2f46d93 improve performance of exist when searching for specific items John W. Eaton <jwe@octave.org> parents: 17861 diff changeset	393 return 0;
2ca3a2f46d93 improve performance of exist when searching for specific items John W. Eaton <jwe@octave.org> parents: 17861 diff changeset	394
2ca3a2f46d93 improve performance of exist when searching for specific items John W. Eaton <jwe@octave.org> parents: 17861 diff changeset	395 bool search_any = type == "any";
2ca3a2f46d93 improve performance of exist when searching for specific items John W. Eaton <jwe@octave.org> parents: 17861 diff changeset	396 bool search_var = type == "var";
2ca3a2f46d93 improve performance of exist when searching for specific items John W. Eaton <jwe@octave.org> parents: 17861 diff changeset	397 bool search_dir = type == "dir";
2ca3a2f46d93 improve performance of exist when searching for specific items John W. Eaton <jwe@octave.org> parents: 17861 diff changeset	398 bool search_file = type == "file";
2ca3a2f46d93 improve performance of exist when searching for specific items John W. Eaton <jwe@octave.org> parents: 17861 diff changeset	399 bool search_builtin = type == "builtin";
20206 3c8260fd0837 Validate second option to exist () (bug #42618). Rik <rik@octave.org> parents: 20181 diff changeset	400 bool search_class = type == "class";
3c8260fd0837 Validate second option to exist () (bug #42618). Rik <rik@octave.org> parents: 20181 diff changeset	401
3c8260fd0837 Validate second option to exist () (bug #42618). Rik <rik@octave.org> parents: 20181 diff changeset	402 if (! (search_any \|\| search_var \|\| search_dir \|\| search_file \|\|
3c8260fd0837 Validate second option to exist () (bug #42618). Rik <rik@octave.org> parents: 20181 diff changeset	403 search_builtin \|\| search_class))
20831 35241c4b696c eliminate return statements after calls to error John W. Eaton <jwe@octave.org> parents: 20819 diff changeset	404 error ("exist: unrecognized type argument \"%s\"", type.c_str ());
17963 2ca3a2f46d93 improve performance of exist when searching for specific items John W. Eaton <jwe@octave.org> parents: 17861 diff changeset	405
2ca3a2f46d93 improve performance of exist when searching for specific items John W. Eaton <jwe@octave.org> parents: 17861 diff changeset	406 if (search_any \|\| search_var)
2ca3a2f46d93 improve performance of exist when searching for specific items John W. Eaton <jwe@octave.org> parents: 17861 diff changeset	407 {
2ca3a2f46d93 improve performance of exist when searching for specific items John W. Eaton <jwe@octave.org> parents: 17861 diff changeset	408 octave_value val = symbol_table::varval (name);
2ca3a2f46d93 improve performance of exist when searching for specific items John W. Eaton <jwe@octave.org> parents: 17861 diff changeset	409
18856 de8c67ba7ac4 Use Matlab return hierarchy for exist() codes when no type is specified. Rik <rik@octave.org> parents: 18282 diff changeset	410 if (val.is_constant () \|\| val.is_object ()
de8c67ba7ac4 Use Matlab return hierarchy for exist() codes when no type is specified. Rik <rik@octave.org> parents: 18282 diff changeset	411 \|\| val.is_function_handle ()
de8c67ba7ac4 Use Matlab return hierarchy for exist() codes when no type is specified. Rik <rik@octave.org> parents: 18282 diff changeset	412 \|\| val.is_anonymous_function ()
de8c67ba7ac4 Use Matlab return hierarchy for exist() codes when no type is specified. Rik <rik@octave.org> parents: 18282 diff changeset	413 \|\| val.is_inline_function ())
17963 2ca3a2f46d93 improve performance of exist when searching for specific items John W. Eaton <jwe@octave.org> parents: 17861 diff changeset	414 return 1;
2ca3a2f46d93 improve performance of exist when searching for specific items John W. Eaton <jwe@octave.org> parents: 17861 diff changeset	415
2ca3a2f46d93 improve performance of exist when searching for specific items John W. Eaton <jwe@octave.org> parents: 17861 diff changeset	416 if (search_var)
2ca3a2f46d93 improve performance of exist when searching for specific items John W. Eaton <jwe@octave.org> parents: 17861 diff changeset	417 return 0;
2ca3a2f46d93 improve performance of exist when searching for specific items John W. Eaton <jwe@octave.org> parents: 17861 diff changeset	418 }
2ca3a2f46d93 improve performance of exist when searching for specific items John W. Eaton <jwe@octave.org> parents: 17861 diff changeset	419
18856 de8c67ba7ac4 Use Matlab return hierarchy for exist() codes when no type is specified. Rik <rik@octave.org> parents: 18282 diff changeset	420 // We shouldn't need to look in the global symbol table, since any name
de8c67ba7ac4 Use Matlab return hierarchy for exist() codes when no type is specified. Rik <rik@octave.org> parents: 18282 diff changeset	421 // that is visible in the current scope will be in the local symbol table.
de8c67ba7ac4 Use Matlab return hierarchy for exist() codes when no type is specified. Rik <rik@octave.org> parents: 18282 diff changeset	422
18864 c677d9bd6bac exist: Don't look up name in symbol table if "file" or "dir" specified. Rik <rik@octave.org> parents: 18861 diff changeset	423 octave_value val;
c677d9bd6bac exist: Don't look up name in symbol table if "file" or "dir" specified. Rik <rik@octave.org> parents: 18861 diff changeset	424
c677d9bd6bac exist: Don't look up name in symbol table if "file" or "dir" specified. Rik <rik@octave.org> parents: 18861 diff changeset	425 if (search_any \|\| search_builtin)
18856 de8c67ba7ac4 Use Matlab return hierarchy for exist() codes when no type is specified. Rik <rik@octave.org> parents: 18282 diff changeset	426 {
18878 d3276190e551 Revert a0fd65914811 which does not truly fix bug #36067. Rik <rik@octave.org> parents: 18865 diff changeset	427 // FIXME: safe_symbol_lookup will attempt unsafe load of .oct/.mex file.
d3276190e551 Revert a0fd65914811 which does not truly fix bug #36067. Rik <rik@octave.org> parents: 18865 diff changeset	428 // This can cause a segfault. To catch this would require temporarily
d3276190e551 Revert a0fd65914811 which does not truly fix bug #36067. Rik <rik@octave.org> parents: 18865 diff changeset	429 // diverting the SIGSEGV exception handler and then restoring it.
d3276190e551 Revert a0fd65914811 which does not truly fix bug #36067. Rik <rik@octave.org> parents: 18865 diff changeset	430 // See bug #36067.
d3276190e551 Revert a0fd65914811 which does not truly fix bug #36067. Rik <rik@octave.org> parents: 18865 diff changeset	431 val = safe_symbol_lookup (name);
18864 c677d9bd6bac exist: Don't look up name in symbol table if "file" or "dir" specified. Rik <rik@octave.org> parents: 18861 diff changeset	432
c677d9bd6bac exist: Don't look up name in symbol table if "file" or "dir" specified. Rik <rik@octave.org> parents: 18861 diff changeset	433 if (val.is_defined () && val.is_builtin_function ())
18856 de8c67ba7ac4 Use Matlab return hierarchy for exist() codes when no type is specified. Rik <rik@octave.org> parents: 18282 diff changeset	434 return 5;
18861 da6ffbf75edf Simplify exist() code for recognizing command line functions. Rik <rik@octave.org> parents: 18858 diff changeset	435
da6ffbf75edf Simplify exist() code for recognizing command line functions. Rik <rik@octave.org> parents: 18858 diff changeset	436 if (search_builtin)
da6ffbf75edf Simplify exist() code for recognizing command line functions. Rik <rik@octave.org> parents: 18858 diff changeset	437 return 0;
18856 de8c67ba7ac4 Use Matlab return hierarchy for exist() codes when no type is specified. Rik <rik@octave.org> parents: 18282 diff changeset	438 }
de8c67ba7ac4 Use Matlab return hierarchy for exist() codes when no type is specified. Rik <rik@octave.org> parents: 18282 diff changeset	439
17963 2ca3a2f46d93 improve performance of exist when searching for specific items John W. Eaton <jwe@octave.org> parents: 17861 diff changeset	440 if (search_any \|\| search_file \|\| search_dir)
2ca3a2f46d93 improve performance of exist when searching for specific items John W. Eaton <jwe@octave.org> parents: 17861 diff changeset	441 {
2ca3a2f46d93 improve performance of exist when searching for specific items John W. Eaton <jwe@octave.org> parents: 17861 diff changeset	442 std::string file_name = lookup_autoload (name);
2ca3a2f46d93 improve performance of exist when searching for specific items John W. Eaton <jwe@octave.org> parents: 17861 diff changeset	443
2ca3a2f46d93 improve performance of exist when searching for specific items John W. Eaton <jwe@octave.org> parents: 17861 diff changeset	444 if (file_name.empty ())
2ca3a2f46d93 improve performance of exist when searching for specific items John W. Eaton <jwe@octave.org> parents: 17861 diff changeset	445 file_name = load_path::find_fcn (name);
2ca3a2f46d93 improve performance of exist when searching for specific items John W. Eaton <jwe@octave.org> parents: 17861 diff changeset	446
2ca3a2f46d93 improve performance of exist when searching for specific items John W. Eaton <jwe@octave.org> parents: 17861 diff changeset	447 size_t len = file_name.length ();
2ca3a2f46d93 improve performance of exist when searching for specific items John W. Eaton <jwe@octave.org> parents: 17861 diff changeset	448
2ca3a2f46d93 improve performance of exist when searching for specific items John W. Eaton <jwe@octave.org> parents: 17861 diff changeset	449 if (len > 0)
2ca3a2f46d93 improve performance of exist when searching for specific items John W. Eaton <jwe@octave.org> parents: 17861 diff changeset	450 {
2ca3a2f46d93 improve performance of exist when searching for specific items John W. Eaton <jwe@octave.org> parents: 17861 diff changeset	451 if (search_any \|\| search_file)
2ca3a2f46d93 improve performance of exist when searching for specific items John W. Eaton <jwe@octave.org> parents: 17861 diff changeset	452 {
2ca3a2f46d93 improve performance of exist when searching for specific items John W. Eaton <jwe@octave.org> parents: 17861 diff changeset	453 if (len > 4 && (file_name.substr (len-4) == ".oct"
2ca3a2f46d93 improve performance of exist when searching for specific items John W. Eaton <jwe@octave.org> parents: 17861 diff changeset	454 \|\| file_name.substr (len-4) == ".mex"))
2ca3a2f46d93 improve performance of exist when searching for specific items John W. Eaton <jwe@octave.org> parents: 17861 diff changeset	455 return 3;
2ca3a2f46d93 improve performance of exist when searching for specific items John W. Eaton <jwe@octave.org> parents: 17861 diff changeset	456 else
2ca3a2f46d93 improve performance of exist when searching for specific items John W. Eaton <jwe@octave.org> parents: 17861 diff changeset	457 return 2;
2ca3a2f46d93 improve performance of exist when searching for specific items John W. Eaton <jwe@octave.org> parents: 17861 diff changeset	458 }
2ca3a2f46d93 improve performance of exist when searching for specific items John W. Eaton <jwe@octave.org> parents: 17861 diff changeset	459 }
2ca3a2f46d93 improve performance of exist when searching for specific items John W. Eaton <jwe@octave.org> parents: 17861 diff changeset	460
2ca3a2f46d93 improve performance of exist when searching for specific items John W. Eaton <jwe@octave.org> parents: 17861 diff changeset	461 file_name = file_in_path (name, "");
2ca3a2f46d93 improve performance of exist when searching for specific items John W. Eaton <jwe@octave.org> parents: 17861 diff changeset	462
2ca3a2f46d93 improve performance of exist when searching for specific items John W. Eaton <jwe@octave.org> parents: 17861 diff changeset	463 if (file_name.empty ())
2ca3a2f46d93 improve performance of exist when searching for specific items John W. Eaton <jwe@octave.org> parents: 17861 diff changeset	464 file_name = name;
2ca3a2f46d93 improve performance of exist when searching for specific items John W. Eaton <jwe@octave.org> parents: 17861 diff changeset	465
21736 0504351a45e6 use namespace for file_stat classes John W. Eaton <jwe@octave.org> parents: 21733 diff changeset	466 octave::sys::file_stat fs (file_name);
17963 2ca3a2f46d93 improve performance of exist when searching for specific items John W. Eaton <jwe@octave.org> parents: 17861 diff changeset	467
2ca3a2f46d93 improve performance of exist when searching for specific items John W. Eaton <jwe@octave.org> parents: 17861 diff changeset	468 if (fs)
2ca3a2f46d93 improve performance of exist when searching for specific items John W. Eaton <jwe@octave.org> parents: 17861 diff changeset	469 {
2ca3a2f46d93 improve performance of exist when searching for specific items John W. Eaton <jwe@octave.org> parents: 17861 diff changeset	470 if (search_any \|\| search_file)
19861 19755f4fc851 maint: Cleanup C++ code to follow Octave coding conventions. Rik <rik@octave.org> parents: 19750 diff changeset	471 {
19755f4fc851 maint: Cleanup C++ code to follow Octave coding conventions. Rik <rik@octave.org> parents: 19750 diff changeset	472 if (fs.is_dir ())
19755f4fc851 maint: Cleanup C++ code to follow Octave coding conventions. Rik <rik@octave.org> parents: 19750 diff changeset	473 return 7;
19755f4fc851 maint: Cleanup C++ code to follow Octave coding conventions. Rik <rik@octave.org> parents: 19750 diff changeset	474
19755f4fc851 maint: Cleanup C++ code to follow Octave coding conventions. Rik <rik@octave.org> parents: 19750 diff changeset	475 len = file_name.length ();
19755f4fc851 maint: Cleanup C++ code to follow Octave coding conventions. Rik <rik@octave.org> parents: 19750 diff changeset	476
19755f4fc851 maint: Cleanup C++ code to follow Octave coding conventions. Rik <rik@octave.org> parents: 19750 diff changeset	477 if (len > 4 && (file_name.substr (len-4) == ".oct"
19755f4fc851 maint: Cleanup C++ code to follow Octave coding conventions. Rik <rik@octave.org> parents: 19750 diff changeset	478 \|\| file_name.substr (len-4) == ".mex"))
19755f4fc851 maint: Cleanup C++ code to follow Octave coding conventions. Rik <rik@octave.org> parents: 19750 diff changeset	479 return 3;
19755f4fc851 maint: Cleanup C++ code to follow Octave coding conventions. Rik <rik@octave.org> parents: 19750 diff changeset	480 else
19755f4fc851 maint: Cleanup C++ code to follow Octave coding conventions. Rik <rik@octave.org> parents: 19750 diff changeset	481 return 2;
19755f4fc851 maint: Cleanup C++ code to follow Octave coding conventions. Rik <rik@octave.org> parents: 19750 diff changeset	482 }
17963 2ca3a2f46d93 improve performance of exist when searching for specific items John W. Eaton <jwe@octave.org> parents: 17861 diff changeset	483 else if (search_dir && fs.is_dir ())
2ca3a2f46d93 improve performance of exist when searching for specific items John W. Eaton <jwe@octave.org> parents: 17861 diff changeset	484 return 7;
2ca3a2f46d93 improve performance of exist when searching for specific items John W. Eaton <jwe@octave.org> parents: 17861 diff changeset	485 }
2ca3a2f46d93 improve performance of exist when searching for specific items John W. Eaton <jwe@octave.org> parents: 17861 diff changeset	486
2ca3a2f46d93 improve performance of exist when searching for specific items John W. Eaton <jwe@octave.org> parents: 17861 diff changeset	487 if (search_file \|\| search_dir)
2ca3a2f46d93 improve performance of exist when searching for specific items John W. Eaton <jwe@octave.org> parents: 17861 diff changeset	488 return 0;
2ca3a2f46d93 improve performance of exist when searching for specific items John W. Eaton <jwe@octave.org> parents: 17861 diff changeset	489 }
1277 db4f4009d6e8 [project @ 1995-04-24 20:35:06 by jwe] jwe parents: 1271 diff changeset	490
18861 da6ffbf75edf Simplify exist() code for recognizing command line functions. Rik <rik@octave.org> parents: 18858 diff changeset	491 // Command line function which Matlab does not support
da6ffbf75edf Simplify exist() code for recognizing command line functions. Rik <rik@octave.org> parents: 18858 diff changeset	492 if (search_any && val.is_defined () && val.is_user_function ())
da6ffbf75edf Simplify exist() code for recognizing command line functions. Rik <rik@octave.org> parents: 18858 diff changeset	493 return 103;
4016 139f5273d0f8 [project @ 2002-08-02 22:55:51 by jwe] jwe parents: 4010 diff changeset	494
17963 2ca3a2f46d93 improve performance of exist when searching for specific items John W. Eaton <jwe@octave.org> parents: 17861 diff changeset	495 return 0;
593 6f948c6251a9 [project @ 1994-08-09 04:29:10 by jwe] jwe parents: 584 diff changeset	496 }
6f948c6251a9 [project @ 1994-08-09 04:29:10 by jwe] jwe parents: 584 diff changeset	497
4962 0ab18cbe8b5f [project @ 2004-09-02 16:56:17 by jwe] jwe parents: 4954 diff changeset	498 #define GET_IDX(LEN) \
0ab18cbe8b5f [project @ 2004-09-02 16:56:17 by jwe] jwe parents: 4954 diff changeset	499 static_cast<int> ((LEN-1) * static_cast<double> (rand ()) / RAND_MAX)
0ab18cbe8b5f [project @ 2004-09-02 16:56:17 by jwe] jwe parents: 4954 diff changeset	500
4954 ed0f3cb6d3d4 [project @ 2004-09-01 21:24:53 by jwe] jwe parents: 4930 diff changeset	501 std::string
ed0f3cb6d3d4 [project @ 2004-09-01 21:24:53 by jwe] jwe parents: 4930 diff changeset	502 unique_symbol_name (const std::string& basename)
ed0f3cb6d3d4 [project @ 2004-09-01 21:24:53 by jwe] jwe parents: 4930 diff changeset	503 {
4962 0ab18cbe8b5f [project @ 2004-09-02 16:56:17 by jwe] jwe parents: 4954 diff changeset	504 static const std::string alpha
0ab18cbe8b5f [project @ 2004-09-02 16:56:17 by jwe] jwe parents: 4954 diff changeset	505 = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ";
0ab18cbe8b5f [project @ 2004-09-02 16:56:17 by jwe] jwe parents: 4954 diff changeset	506
0ab18cbe8b5f [project @ 2004-09-02 16:56:17 by jwe] jwe parents: 4954 diff changeset	507 static size_t len = alpha.length ();
0ab18cbe8b5f [project @ 2004-09-02 16:56:17 by jwe] jwe parents: 4954 diff changeset	508
0ab18cbe8b5f [project @ 2004-09-02 16:56:17 by jwe] jwe parents: 4954 diff changeset	509 std::string nm = basename + alpha[GET_IDX (len)];
0ab18cbe8b5f [project @ 2004-09-02 16:56:17 by jwe] jwe parents: 4954 diff changeset	510
0ab18cbe8b5f [project @ 2004-09-02 16:56:17 by jwe] jwe parents: 4954 diff changeset	511 size_t pos = nm.length ();
0ab18cbe8b5f [project @ 2004-09-02 16:56:17 by jwe] jwe parents: 4954 diff changeset	512
0ab18cbe8b5f [project @ 2004-09-02 16:56:17 by jwe] jwe parents: 4954 diff changeset	513 if (nm.substr (0, 2) == "__")
0ab18cbe8b5f [project @ 2004-09-02 16:56:17 by jwe] jwe parents: 4954 diff changeset	514 nm.append ("__");
0ab18cbe8b5f [project @ 2004-09-02 16:56:17 by jwe] jwe parents: 4954 diff changeset	515
0ab18cbe8b5f [project @ 2004-09-02 16:56:17 by jwe] jwe parents: 4954 diff changeset	516 while (symbol_exist (nm, "any"))
0ab18cbe8b5f [project @ 2004-09-02 16:56:17 by jwe] jwe parents: 4954 diff changeset	517 nm.insert (pos++, 1, alpha[GET_IDX (len)]);
0ab18cbe8b5f [project @ 2004-09-02 16:56:17 by jwe] jwe parents: 4954 diff changeset	518
0ab18cbe8b5f [project @ 2004-09-02 16:56:17 by jwe] jwe parents: 4954 diff changeset	519 return nm;
4954 ed0f3cb6d3d4 [project @ 2004-09-01 21:24:53 by jwe] jwe parents: 4930 diff changeset	520 }
ed0f3cb6d3d4 [project @ 2004-09-01 21:24:53 by jwe] jwe parents: 4930 diff changeset	521
4016 139f5273d0f8 [project @ 2002-08-02 22:55:51 by jwe] jwe parents: 4010 diff changeset	522 DEFUN (exist, args, ,
21966 112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	523 doc: /* -- texinfo --
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	524 @deftypefn {} {@var{c} =} exist (@var{name})
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	525 @deftypefnx {} {@var{c} =} exist (@var{name}, @var{type})
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	526 Check for the existence of @var{name} as a variable, function, file,
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	527 directory, or class.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	528
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	529 The return code @var{c} is one of
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	530
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	531 @table @asis
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	532 @item 1
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	533 @var{name} is a variable.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	534
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	535 @item 2
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	536 @var{name} is an absolute filename, an ordinary file in Octave's
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	537 @code{path}, or (after appending @samp{.m}) a function file in Octave's
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	538 @code{path}.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	539
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	540 @item 3
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	541 @var{name} is a @samp{.oct} or @samp{.mex} file in Octave's @code{path}.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	542
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	543 @item 5
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	544 @var{name} is a built-in function.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	545
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	546 @item 7
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	547 @var{name} is a directory.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	548
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	549 @item 103
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	550 @var{name} is a function not associated with a file (entered on the command
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	551 line).
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	552
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	553 @item 0
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	554 @var{name} does not exist.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	555 @end table
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	556
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	557 If the optional argument @var{type} is supplied, check only for symbols of
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	558 the specified type. Valid types are
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	559
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	560 @table @asis
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	561 @item @qcode{"var"}
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	562 Check only for variables.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	563
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	564 @item @qcode{"builtin"}
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	565 Check only for built-in functions.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	566
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	567 @item @qcode{"dir"}
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	568 Check only for directories.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	569
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	570 @item @qcode{"file"}
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	571 Check only for files and directories.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	572
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	573 @item @qcode{"class"}
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	574 Check only for classes. (Note: This option is accepted, but not currently
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	575 implemented)
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	576 @end table
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	577
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	578 If no type is given, and there are multiple possible matches for name,
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	579 @code{exist} will return a code according to the following priority list:
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	580 variable, built-in function, oct-file, directory, file, class.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	581
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	582 @code{exist} returns 2 if a regular file called @var{name} is present in
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	583 Octave's search path. If you want information about other types of files
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	584 not on the search path you should use some combination of the functions
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	585 @code{file_in_path} and @code{stat} instead.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	586
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	587 Programming Note: If @var{name} is implemented by a buggy .oct/.mex file,
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	588 calling @var{exist} may cause Octave to crash. To maintain high
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	589 performance, Octave trusts .oct/.mex files instead of @nospell{sandboxing}
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	590 them.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	591
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	592 @seealso{file_in_loadpath, file_in_path, dir_in_loadpath, stat}
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	593 @end deftypefn */)
4016 139f5273d0f8 [project @ 2002-08-02 22:55:51 by jwe] jwe parents: 4010 diff changeset	594 {
139f5273d0f8 [project @ 2002-08-02 22:55:51 by jwe] jwe parents: 4010 diff changeset	595 int nargin = args.length ();
139f5273d0f8 [project @ 2002-08-02 22:55:51 by jwe] jwe parents: 4010 diff changeset	596
20799 c349d4c91ce2 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20769 diff changeset	597 if (nargin < 1 \|\| nargin > 2)
c349d4c91ce2 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20769 diff changeset	598 print_usage ();
c349d4c91ce2 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20769 diff changeset	599
c349d4c91ce2 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20769 diff changeset	600 std::string name = args(0).xstring_value ("exist: NAME must be a string");
c349d4c91ce2 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20769 diff changeset	601
c349d4c91ce2 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20769 diff changeset	602 if (nargin == 2)
4016 139f5273d0f8 [project @ 2002-08-02 22:55:51 by jwe] jwe parents: 4010 diff changeset	603 {
20799 c349d4c91ce2 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20769 diff changeset	604 std::string type = args(1).xstring_value ("exist: TYPE must be a string");
c349d4c91ce2 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20769 diff changeset	605
c349d4c91ce2 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20769 diff changeset	606 if (type == "class")
c349d4c91ce2 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20769 diff changeset	607 warning ("exist: \"class\" type argument is not implemented");
c349d4c91ce2 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20769 diff changeset	608
20939 b17fda023ca6 maint: Use new C++ archetype in more files. Rik <rik@octave.org> parents: 20925 diff changeset	609 return ovl (symbol_exist (name, type));
4016 139f5273d0f8 [project @ 2002-08-02 22:55:51 by jwe] jwe parents: 4010 diff changeset	610 }
139f5273d0f8 [project @ 2002-08-02 22:55:51 by jwe] jwe parents: 4010 diff changeset	611 else
20939 b17fda023ca6 maint: Use new C++ archetype in more files. Rik <rik@octave.org> parents: 20925 diff changeset	612 return ovl (symbol_exist (name));
4016 139f5273d0f8 [project @ 2002-08-02 22:55:51 by jwe] jwe parents: 4010 diff changeset	613 }
139f5273d0f8 [project @ 2002-08-02 22:55:51 by jwe] jwe parents: 4010 diff changeset	614
10975 2d14817353a6 allow exist to work correctly for special files; recognize directories when searching for files John W. Eaton <jwe@octave.org> parents: 10846 diff changeset	615 /*
18856 de8c67ba7ac4 Use Matlab return hierarchy for exist() codes when no type is specified. Rik <rik@octave.org> parents: 18282 diff changeset	616 %!shared dirtmp, __var1
de8c67ba7ac4 Use Matlab return hierarchy for exist() codes when no type is specified. Rik <rik@octave.org> parents: 18282 diff changeset	617 %! dirtmp = P_tmpdir ();
de8c67ba7ac4 Use Matlab return hierarchy for exist() codes when no type is specified. Rik <rik@octave.org> parents: 18282 diff changeset	618 %! __var1 = 1;
de8c67ba7ac4 Use Matlab return hierarchy for exist() codes when no type is specified. Rik <rik@octave.org> parents: 18282 diff changeset	619
de8c67ba7ac4 Use Matlab return hierarchy for exist() codes when no type is specified. Rik <rik@octave.org> parents: 18282 diff changeset	620 %!assert (exist ("__%Highly_unlikely_name%__"), 0)
de8c67ba7ac4 Use Matlab return hierarchy for exist() codes when no type is specified. Rik <rik@octave.org> parents: 18282 diff changeset	621 %!assert (exist ("__var1"), 1)
de8c67ba7ac4 Use Matlab return hierarchy for exist() codes when no type is specified. Rik <rik@octave.org> parents: 18282 diff changeset	622 %!assert (exist ("__var1", "var"), 1)
de8c67ba7ac4 Use Matlab return hierarchy for exist() codes when no type is specified. Rik <rik@octave.org> parents: 18282 diff changeset	623 %!assert (exist ("__var1", "builtin"), 0)
de8c67ba7ac4 Use Matlab return hierarchy for exist() codes when no type is specified. Rik <rik@octave.org> parents: 18282 diff changeset	624 %!assert (exist ("__var1", "dir"), 0)
de8c67ba7ac4 Use Matlab return hierarchy for exist() codes when no type is specified. Rik <rik@octave.org> parents: 18282 diff changeset	625 %!assert (exist ("__var1", "file"), 0)
de8c67ba7ac4 Use Matlab return hierarchy for exist() codes when no type is specified. Rik <rik@octave.org> parents: 18282 diff changeset	626
10975 2d14817353a6 allow exist to work correctly for special files; recognize directories when searching for files John W. Eaton <jwe@octave.org> parents: 10846 diff changeset	627 %!test
14429 eff4a5933e28 Update %!tests in src/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14366 diff changeset	628 %! if (isunix ())
18856 de8c67ba7ac4 Use Matlab return hierarchy for exist() codes when no type is specified. Rik <rik@octave.org> parents: 18282 diff changeset	629 %! assert (exist ("/bin/sh"), 2);
de8c67ba7ac4 Use Matlab return hierarchy for exist() codes when no type is specified. Rik <rik@octave.org> parents: 18282 diff changeset	630 %! assert (exist ("/bin/sh", "file"), 2);
de8c67ba7ac4 Use Matlab return hierarchy for exist() codes when no type is specified. Rik <rik@octave.org> parents: 18282 diff changeset	631 %! assert (exist ("/bin/sh", "dir"), 0);
de8c67ba7ac4 Use Matlab return hierarchy for exist() codes when no type is specified. Rik <rik@octave.org> parents: 18282 diff changeset	632 %! assert (exist ("/dev/null"), 2);
de8c67ba7ac4 Use Matlab return hierarchy for exist() codes when no type is specified. Rik <rik@octave.org> parents: 18282 diff changeset	633 %! assert (exist ("/dev/null", "file"), 2);
de8c67ba7ac4 Use Matlab return hierarchy for exist() codes when no type is specified. Rik <rik@octave.org> parents: 18282 diff changeset	634 %! assert (exist ("/dev/null", "dir"), 0);
14429 eff4a5933e28 Update %!tests in src/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14366 diff changeset	635 %! endif
18856 de8c67ba7ac4 Use Matlab return hierarchy for exist() codes when no type is specified. Rik <rik@octave.org> parents: 18282 diff changeset	636
19750 2111917d34c4 fix tests failing after changeset c913247c85a8 John W. Eaton <jwe@octave.org> parents: 19743 diff changeset	637 %!assert (exist ("print_usage"), 2)
2111917d34c4 fix tests failing after changeset c913247c85a8 John W. Eaton <jwe@octave.org> parents: 19743 diff changeset	638 %!assert (exist ("print_usage.m"), 2)
2111917d34c4 fix tests failing after changeset c913247c85a8 John W. Eaton <jwe@octave.org> parents: 19743 diff changeset	639 %!assert (exist ("print_usage", "file"), 2)
2111917d34c4 fix tests failing after changeset c913247c85a8 John W. Eaton <jwe@octave.org> parents: 19743 diff changeset	640 %!assert (exist ("print_usage", "dir"), 0)
18856 de8c67ba7ac4 Use Matlab return hierarchy for exist() codes when no type is specified. Rik <rik@octave.org> parents: 18282 diff changeset	641
20713 2469d78a1d8b Consistently use 'filename' rather than 'file name' throughout code base. Rik <rik@octave.org> parents: 20711 diff changeset	642 ## Don't search path for rooted relative filenames
21317 a4faec57f4c8 maint: remove semicolon after %!assert tests to follow Octave conventions. Rik <rik@octave.org> parents: 21301 diff changeset	643 %!assert (exist ("plot.m", "file"), 2)
a4faec57f4c8 maint: remove semicolon after %!assert tests to follow Octave conventions. Rik <rik@octave.org> parents: 21301 diff changeset	644 %!assert (exist ("./plot.m", "file"), 0)
a4faec57f4c8 maint: remove semicolon after %!assert tests to follow Octave conventions. Rik <rik@octave.org> parents: 21301 diff changeset	645 %!assert (exist ("./%nonexistentfile%", "file"), 0)
a4faec57f4c8 maint: remove semicolon after %!assert tests to follow Octave conventions. Rik <rik@octave.org> parents: 21301 diff changeset	646 %!assert (exist ("%nonexistentfile%", "file"), 0)
20181 aa36fb998a4d maint: Remove unnecessary whitespace at end of lines. Rik <rik@octave.org> parents: 20178 diff changeset	647
20713 2469d78a1d8b Consistently use 'filename' rather than 'file name' throughout code base. Rik <rik@octave.org> parents: 20711 diff changeset	648 ## Don't search path for absolute filenames
19915 85c5a81c6ddd Rewrite BIST tests for exist to pass on Windows (bug #44445). Rik <rik@octave.org> parents: 19864 diff changeset	649 %!test
20181 aa36fb998a4d maint: Remove unnecessary whitespace at end of lines. Rik <rik@octave.org> parents: 20178 diff changeset	650 %! tname = tempname (pwd ());
19915 85c5a81c6ddd Rewrite BIST tests for exist to pass on Windows (bug #44445). Rik <rik@octave.org> parents: 19864 diff changeset	651 %! unwind_protect
85c5a81c6ddd Rewrite BIST tests for exist to pass on Windows (bug #44445). Rik <rik@octave.org> parents: 19864 diff changeset	652 %! ## open/close file to create it, equivalent of touch
85c5a81c6ddd Rewrite BIST tests for exist to pass on Windows (bug #44445). Rik <rik@octave.org> parents: 19864 diff changeset	653 %! fid = fopen (tname, "w");
85c5a81c6ddd Rewrite BIST tests for exist to pass on Windows (bug #44445). Rik <rik@octave.org> parents: 19864 diff changeset	654 %! fclose (fid);
85c5a81c6ddd Rewrite BIST tests for exist to pass on Windows (bug #44445). Rik <rik@octave.org> parents: 19864 diff changeset	655 %! [~, fname] = fileparts (tname);
85c5a81c6ddd Rewrite BIST tests for exist to pass on Windows (bug #44445). Rik <rik@octave.org> parents: 19864 diff changeset	656 %! assert (exist (fullfile (pwd (), fname), "file"), 2);
85c5a81c6ddd Rewrite BIST tests for exist to pass on Windows (bug #44445). Rik <rik@octave.org> parents: 19864 diff changeset	657 %! unwind_protect_cleanup
85c5a81c6ddd Rewrite BIST tests for exist to pass on Windows (bug #44445). Rik <rik@octave.org> parents: 19864 diff changeset	658 %! unlink (tname);
85c5a81c6ddd Rewrite BIST tests for exist to pass on Windows (bug #44445). Rik <rik@octave.org> parents: 19864 diff changeset	659 %! end_unwind_protect
85c5a81c6ddd Rewrite BIST tests for exist to pass on Windows (bug #44445). Rik <rik@octave.org> parents: 19864 diff changeset	660 %! assert (exist (fullfile (pwd (), "%nonexistentfile%"), "file"), 0);
85c5a81c6ddd Rewrite BIST tests for exist to pass on Windows (bug #44445). Rik <rik@octave.org> parents: 19864 diff changeset	661
18856 de8c67ba7ac4 Use Matlab return hierarchy for exist() codes when no type is specified. Rik <rik@octave.org> parents: 18282 diff changeset	662 %!testif HAVE_CHOLMOD
de8c67ba7ac4 Use Matlab return hierarchy for exist() codes when no type is specified. Rik <rik@octave.org> parents: 18282 diff changeset	663 %! assert (exist ("chol"), 3);
18858 a1dde4d4c45c Return correct exist code for mex files when .mex extension given (bug #42614). Rik <rik@octave.org> parents: 18856 diff changeset	664 %! assert (exist ("chol.oct"), 3);
18856 de8c67ba7ac4 Use Matlab return hierarchy for exist() codes when no type is specified. Rik <rik@octave.org> parents: 18282 diff changeset	665 %! assert (exist ("chol", "file"), 3);
de8c67ba7ac4 Use Matlab return hierarchy for exist() codes when no type is specified. Rik <rik@octave.org> parents: 18282 diff changeset	666 %! assert (exist ("chol", "builtin"), 0);
de8c67ba7ac4 Use Matlab return hierarchy for exist() codes when no type is specified. Rik <rik@octave.org> parents: 18282 diff changeset	667
de8c67ba7ac4 Use Matlab return hierarchy for exist() codes when no type is specified. Rik <rik@octave.org> parents: 18282 diff changeset	668 %!assert (exist ("sin"), 5)
18861 da6ffbf75edf Simplify exist() code for recognizing command line functions. Rik <rik@octave.org> parents: 18858 diff changeset	669 %!assert (exist ("sin", "builtin"), 5)
da6ffbf75edf Simplify exist() code for recognizing command line functions. Rik <rik@octave.org> parents: 18858 diff changeset	670 %!assert (exist ("sin", "file"), 0)
18856 de8c67ba7ac4 Use Matlab return hierarchy for exist() codes when no type is specified. Rik <rik@octave.org> parents: 18282 diff changeset	671
de8c67ba7ac4 Use Matlab return hierarchy for exist() codes when no type is specified. Rik <rik@octave.org> parents: 18282 diff changeset	672 %!assert (exist (dirtmp), 7)
de8c67ba7ac4 Use Matlab return hierarchy for exist() codes when no type is specified. Rik <rik@octave.org> parents: 18282 diff changeset	673 %!assert (exist (dirtmp, "dir"), 7)
de8c67ba7ac4 Use Matlab return hierarchy for exist() codes when no type is specified. Rik <rik@octave.org> parents: 18282 diff changeset	674 %!assert (exist (dirtmp, "file"), 7)
de8c67ba7ac4 Use Matlab return hierarchy for exist() codes when no type is specified. Rik <rik@octave.org> parents: 18282 diff changeset	675
18880 ca0d9844dfd7 Fix input validation for exist() which did not error on non-string input. Rik <rik@octave.org> parents: 18879 diff changeset	676 %!error exist ()
ca0d9844dfd7 Fix input validation for exist() which did not error on non-string input. Rik <rik@octave.org> parents: 18879 diff changeset	677 %!error exist (1,2,3)
ca0d9844dfd7 Fix input validation for exist() which did not error on non-string input. Rik <rik@octave.org> parents: 18879 diff changeset	678 %!warning <"class" type argument is not implemented> exist ("a", "class");
ca0d9844dfd7 Fix input validation for exist() which did not error on non-string input. Rik <rik@octave.org> parents: 18879 diff changeset	679 %!error <TYPE must be a string> exist ("a", 1)
ca0d9844dfd7 Fix input validation for exist() which did not error on non-string input. Rik <rik@octave.org> parents: 18879 diff changeset	680 %!error <NAME must be a string> exist (1)
20206 3c8260fd0837 Validate second option to exist () (bug #42618). Rik <rik@octave.org> parents: 20181 diff changeset	681 %!error <unrecognized type argument "foobar"> exist ("a", "foobar")
18880 ca0d9844dfd7 Fix input validation for exist() which did not error on non-string input. Rik <rik@octave.org> parents: 18879 diff changeset	682
10975 2d14817353a6 allow exist to work correctly for special files; recognize directories when searching for files John W. Eaton <jwe@octave.org> parents: 10846 diff changeset	683 */
2d14817353a6 allow exist to work correctly for special files; recognize directories when searching for files John W. Eaton <jwe@octave.org> parents: 10846 diff changeset	684
2849 5338beb20eb9 [project @ 1997-03-28 21:33:27 by jwe] jwe parents: 2847 diff changeset	685 octave_value
4988 352d228d409b [project @ 2004-09-11 13:05:38 by jwe] jwe parents: 4962 diff changeset	686 lookup_function_handle (const std::string& nm)
352d228d409b [project @ 2004-09-11 13:05:38 by jwe] jwe parents: 4962 diff changeset	687 {
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7065 diff changeset	688 octave_value val = symbol_table::varval (nm);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7065 diff changeset	689
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7065 diff changeset	690 return val.is_function_handle () ? val : octave_value ();
4988 352d228d409b [project @ 2004-09-11 13:05:38 by jwe] jwe parents: 4962 diff changeset	691 }
352d228d409b [project @ 2004-09-11 13:05:38 by jwe] jwe parents: 4962 diff changeset	692
352d228d409b [project @ 2004-09-11 13:05:38 by jwe] jwe parents: 4962 diff changeset	693 octave_value
5027 da607e9daf12 [project @ 2004-09-23 01:37:57 by jwe] jwe parents: 5004 diff changeset	694 get_global_value (const std::string& nm, bool silent)
2849 5338beb20eb9 [project @ 1997-03-28 21:33:27 by jwe] jwe parents: 2847 diff changeset	695 {
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7626 diff changeset	696 octave_value val = symbol_table::global_varval (nm);
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7065 diff changeset	697
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7065 diff changeset	698 if (val.is_undefined () && ! silent)
15466 d174210ce1ec use ' instead of ` in error messages, warnings and most comments John W. Eaton <jwe@octave.org> parents: 14138 diff changeset	699 error ("get_global_value: undefined symbol '%s'", nm.c_str ());
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7065 diff changeset	700
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7065 diff changeset	701 return val;
2849 5338beb20eb9 [project @ 1997-03-28 21:33:27 by jwe] jwe parents: 2847 diff changeset	702 }
5338beb20eb9 [project @ 1997-03-28 21:33:27 by jwe] jwe parents: 2847 diff changeset	703
5338beb20eb9 [project @ 1997-03-28 21:33:27 by jwe] jwe parents: 2847 diff changeset	704 void
3523 b80bbb43a1a9 [project @ 2000-02-02 10:25:52 by jwe] jwe parents: 3476 diff changeset	705 set_global_value (const std::string& nm, const octave_value& val)
2849 5338beb20eb9 [project @ 1997-03-28 21:33:27 by jwe] jwe parents: 2847 diff changeset	706 {
16442 302157614308 deprecate symbol_table::varref functions John W. Eaton <jwe@octave.org> parents: 15807 diff changeset	707 symbol_table::global_assign (nm, val);
2849 5338beb20eb9 [project @ 1997-03-28 21:33:27 by jwe] jwe parents: 2847 diff changeset	708 }
5338beb20eb9 [project @ 1997-03-28 21:33:27 by jwe] jwe parents: 2847 diff changeset	709
10071 e42b1bbd1052 variables.cc (get_top_level_value, set_top_level_value): new functions John W. Eaton <jwe@octave.org> parents: 10066 diff changeset	710 octave_value
e42b1bbd1052 variables.cc (get_top_level_value, set_top_level_value): new functions John W. Eaton <jwe@octave.org> parents: 10066 diff changeset	711 get_top_level_value (const std::string& nm, bool silent)
e42b1bbd1052 variables.cc (get_top_level_value, set_top_level_value): new functions John W. Eaton <jwe@octave.org> parents: 10066 diff changeset	712 {
e42b1bbd1052 variables.cc (get_top_level_value, set_top_level_value): new functions John W. Eaton <jwe@octave.org> parents: 10066 diff changeset	713 octave_value val = symbol_table::top_level_varval (nm);
e42b1bbd1052 variables.cc (get_top_level_value, set_top_level_value): new functions John W. Eaton <jwe@octave.org> parents: 10066 diff changeset	714
e42b1bbd1052 variables.cc (get_top_level_value, set_top_level_value): new functions John W. Eaton <jwe@octave.org> parents: 10066 diff changeset	715 if (val.is_undefined () && ! silent)
15466 d174210ce1ec use ' instead of ` in error messages, warnings and most comments John W. Eaton <jwe@octave.org> parents: 14138 diff changeset	716 error ("get_top_level_value: undefined symbol '%s'", nm.c_str ());
10071 e42b1bbd1052 variables.cc (get_top_level_value, set_top_level_value): new functions John W. Eaton <jwe@octave.org> parents: 10066 diff changeset	717
e42b1bbd1052 variables.cc (get_top_level_value, set_top_level_value): new functions John W. Eaton <jwe@octave.org> parents: 10066 diff changeset	718 return val;
e42b1bbd1052 variables.cc (get_top_level_value, set_top_level_value): new functions John W. Eaton <jwe@octave.org> parents: 10066 diff changeset	719 }
e42b1bbd1052 variables.cc (get_top_level_value, set_top_level_value): new functions John W. Eaton <jwe@octave.org> parents: 10066 diff changeset	720
e42b1bbd1052 variables.cc (get_top_level_value, set_top_level_value): new functions John W. Eaton <jwe@octave.org> parents: 10066 diff changeset	721 void
e42b1bbd1052 variables.cc (get_top_level_value, set_top_level_value): new functions John W. Eaton <jwe@octave.org> parents: 10066 diff changeset	722 set_top_level_value (const std::string& nm, const octave_value& val)
e42b1bbd1052 variables.cc (get_top_level_value, set_top_level_value): new functions John W. Eaton <jwe@octave.org> parents: 10066 diff changeset	723 {
16442 302157614308 deprecate symbol_table::varref functions John W. Eaton <jwe@octave.org> parents: 15807 diff changeset	724 symbol_table::top_level_assign (nm, val);
10071 e42b1bbd1052 variables.cc (get_top_level_value, set_top_level_value): new functions John W. Eaton <jwe@octave.org> parents: 10066 diff changeset	725 }
e42b1bbd1052 variables.cc (get_top_level_value, set_top_level_value): new functions John W. Eaton <jwe@octave.org> parents: 10066 diff changeset	726
593 6f948c6251a9 [project @ 1994-08-09 04:29:10 by jwe] jwe parents: 584 diff changeset	727 // Variable values.
195 13c6086c325c [project @ 1993-11-06 10:12:29 by jwe] jwe parents: 191 diff changeset	728
10637 9cd5aa83fa62 implement 'local' parameter to pseudo-variables Jaroslav Hajek <highegg@gmail.com> parents: 10521 diff changeset	729 static bool
9cd5aa83fa62 implement 'local' parameter to pseudo-variables Jaroslav Hajek <highegg@gmail.com> parents: 10521 diff changeset	730 wants_local_change (const octave_value_list& args, int& nargin)
9cd5aa83fa62 implement 'local' parameter to pseudo-variables Jaroslav Hajek <highegg@gmail.com> parents: 10521 diff changeset	731 {
9cd5aa83fa62 implement 'local' parameter to pseudo-variables Jaroslav Hajek <highegg@gmail.com> parents: 10521 diff changeset	732 bool retval = false;
9cd5aa83fa62 implement 'local' parameter to pseudo-variables Jaroslav Hajek <highegg@gmail.com> parents: 10521 diff changeset	733
9cd5aa83fa62 implement 'local' parameter to pseudo-variables Jaroslav Hajek <highegg@gmail.com> parents: 10521 diff changeset	734 if (nargin == 2)
9cd5aa83fa62 implement 'local' parameter to pseudo-variables Jaroslav Hajek <highegg@gmail.com> parents: 10521 diff changeset	735 {
21224 2e64b5899d1f maint: invert if/else/error pattern in variables.cc Rik <rik@octave.org> parents: 21200 diff changeset	736 if (! args(1).is_string () \|\| args(1).string_value () != "local")
20939 b17fda023ca6 maint: Use new C++ archetype in more files. Rik <rik@octave.org> parents: 20925 diff changeset	737 error_with_cfn ("second argument must be \"local\"");
21224 2e64b5899d1f maint: invert if/else/error pattern in variables.cc Rik <rik@octave.org> parents: 21200 diff changeset	738
2e64b5899d1f maint: invert if/else/error pattern in variables.cc Rik <rik@octave.org> parents: 21200 diff changeset	739 nargin = 1;
2e64b5899d1f maint: invert if/else/error pattern in variables.cc Rik <rik@octave.org> parents: 21200 diff changeset	740 retval = true;
10637 9cd5aa83fa62 implement 'local' parameter to pseudo-variables Jaroslav Hajek <highegg@gmail.com> parents: 10521 diff changeset	741 }
9cd5aa83fa62 implement 'local' parameter to pseudo-variables Jaroslav Hajek <highegg@gmail.com> parents: 10521 diff changeset	742
9cd5aa83fa62 implement 'local' parameter to pseudo-variables Jaroslav Hajek <highegg@gmail.com> parents: 10521 diff changeset	743 return retval;
9cd5aa83fa62 implement 'local' parameter to pseudo-variables Jaroslav Hajek <highegg@gmail.com> parents: 10521 diff changeset	744 }
9cd5aa83fa62 implement 'local' parameter to pseudo-variables Jaroslav Hajek <highegg@gmail.com> parents: 10521 diff changeset	745
21139 538b57866b90 consistently use "typename" intead of "class" in template declarations John W. Eaton <jwe@octave.org> parents: 21123 diff changeset	746 template <typename T>
10637 9cd5aa83fa62 implement 'local' parameter to pseudo-variables Jaroslav Hajek <highegg@gmail.com> parents: 10521 diff changeset	747 bool try_local_protect (T& var)
9cd5aa83fa62 implement 'local' parameter to pseudo-variables Jaroslav Hajek <highegg@gmail.com> parents: 10521 diff changeset	748 {
9cd5aa83fa62 implement 'local' parameter to pseudo-variables Jaroslav Hajek <highegg@gmail.com> parents: 10521 diff changeset	749 octave_user_code *curr_usr_code = octave_call_stack::caller_user_code ();
9cd5aa83fa62 implement 'local' parameter to pseudo-variables Jaroslav Hajek <highegg@gmail.com> parents: 10521 diff changeset	750 octave_user_function *curr_usr_fcn = 0;
9cd5aa83fa62 implement 'local' parameter to pseudo-variables Jaroslav Hajek <highegg@gmail.com> parents: 10521 diff changeset	751 if (curr_usr_code && curr_usr_code->is_user_function ())
9cd5aa83fa62 implement 'local' parameter to pseudo-variables Jaroslav Hajek <highegg@gmail.com> parents: 10521 diff changeset	752 curr_usr_fcn = dynamic_cast<octave_user_function *> (curr_usr_code);
9cd5aa83fa62 implement 'local' parameter to pseudo-variables Jaroslav Hajek <highegg@gmail.com> parents: 10521 diff changeset	753
9cd5aa83fa62 implement 'local' parameter to pseudo-variables Jaroslav Hajek <highegg@gmail.com> parents: 10521 diff changeset	754 if (curr_usr_fcn && curr_usr_fcn->local_protect (var))
9cd5aa83fa62 implement 'local' parameter to pseudo-variables Jaroslav Hajek <highegg@gmail.com> parents: 10521 diff changeset	755 return true;
9cd5aa83fa62 implement 'local' parameter to pseudo-variables Jaroslav Hajek <highegg@gmail.com> parents: 10521 diff changeset	756 else
9cd5aa83fa62 implement 'local' parameter to pseudo-variables Jaroslav Hajek <highegg@gmail.com> parents: 10521 diff changeset	757 return false;
9cd5aa83fa62 implement 'local' parameter to pseudo-variables Jaroslav Hajek <highegg@gmail.com> parents: 10521 diff changeset	758 }
9cd5aa83fa62 implement 'local' parameter to pseudo-variables Jaroslav Hajek <highegg@gmail.com> parents: 10521 diff changeset	759
5791 70215aff5ccf [project @ 2006-05-04 18:38:45 by jwe] jwe parents: 5781 diff changeset	760 octave_value
70215aff5ccf [project @ 2006-05-04 18:38:45 by jwe] jwe parents: 5781 diff changeset	761 set_internal_variable (bool& var, const octave_value_list& args,
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	762 int nargout, const char *nm)
5791 70215aff5ccf [project @ 2006-05-04 18:38:45 by jwe] jwe parents: 5781 diff changeset	763 {
5794 1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5791 diff changeset	764 octave_value retval;
1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5791 diff changeset	765
5800 e8be7fe586f9 [project @ 2006-05-10 06:50:45 by jwe] jwe parents: 5794 diff changeset	766 int nargin = args.length ();
e8be7fe586f9 [project @ 2006-05-10 06:50:45 by jwe] jwe parents: 5794 diff changeset	767
e8be7fe586f9 [project @ 2006-05-10 06:50:45 by jwe] jwe parents: 5794 diff changeset	768 if (nargout > 0 \|\| nargin == 0)
5794 1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5791 diff changeset	769 retval = var;
5791 70215aff5ccf [project @ 2006-05-04 18:38:45 by jwe] jwe parents: 5781 diff changeset	770
10637 9cd5aa83fa62 implement 'local' parameter to pseudo-variables Jaroslav Hajek <highegg@gmail.com> parents: 10521 diff changeset	771 if (wants_local_change (args, nargin))
9cd5aa83fa62 implement 'local' parameter to pseudo-variables Jaroslav Hajek <highegg@gmail.com> parents: 10521 diff changeset	772 {
9cd5aa83fa62 implement 'local' parameter to pseudo-variables Jaroslav Hajek <highegg@gmail.com> parents: 10521 diff changeset	773 if (! try_local_protect (var))
9cd5aa83fa62 implement 'local' parameter to pseudo-variables Jaroslav Hajek <highegg@gmail.com> parents: 10521 diff changeset	774 warning ("\"local\" has no effect outside a function");
9cd5aa83fa62 implement 'local' parameter to pseudo-variables Jaroslav Hajek <highegg@gmail.com> parents: 10521 diff changeset	775 }
9cd5aa83fa62 implement 'local' parameter to pseudo-variables Jaroslav Hajek <highegg@gmail.com> parents: 10521 diff changeset	776
20939 b17fda023ca6 maint: Use new C++ archetype in more files. Rik <rik@octave.org> parents: 20925 diff changeset	777 if (nargin > 1)
b17fda023ca6 maint: Use new C++ archetype in more files. Rik <rik@octave.org> parents: 20925 diff changeset	778 print_usage ();
b17fda023ca6 maint: Use new C++ archetype in more files. Rik <rik@octave.org> parents: 20925 diff changeset	779
5791 70215aff5ccf [project @ 2006-05-04 18:38:45 by jwe] jwe parents: 5781 diff changeset	780 if (nargin == 1)
70215aff5ccf [project @ 2006-05-04 18:38:45 by jwe] jwe parents: 5781 diff changeset	781 {
20711 7b608fadc663 Make error messages more specific about the variable and problem encountered. Rik <rik@octave.org> parents: 20704 diff changeset	782 bool bval = args(0).xbool_value ("%s: argument must be a logical value", nm);
20704 571508c1ed06 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20700 diff changeset	783
571508c1ed06 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20700 diff changeset	784 var = bval;
5791 70215aff5ccf [project @ 2006-05-04 18:38:45 by jwe] jwe parents: 5781 diff changeset	785 }
70215aff5ccf [project @ 2006-05-04 18:38:45 by jwe] jwe parents: 5781 diff changeset	786
70215aff5ccf [project @ 2006-05-04 18:38:45 by jwe] jwe parents: 5781 diff changeset	787 return retval;
70215aff5ccf [project @ 2006-05-04 18:38:45 by jwe] jwe parents: 5781 diff changeset	788 }
70215aff5ccf [project @ 2006-05-04 18:38:45 by jwe] jwe parents: 5781 diff changeset	789
70215aff5ccf [project @ 2006-05-04 18:38:45 by jwe] jwe parents: 5781 diff changeset	790 octave_value
5794 1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5791 diff changeset	791 set_internal_variable (char& var, const octave_value_list& args,
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	792 int nargout, const char *nm)
5791 70215aff5ccf [project @ 2006-05-04 18:38:45 by jwe] jwe parents: 5781 diff changeset	793 {
5794 1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5791 diff changeset	794 octave_value retval;
1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5791 diff changeset	795
5800 e8be7fe586f9 [project @ 2006-05-10 06:50:45 by jwe] jwe parents: 5794 diff changeset	796 int nargin = args.length ();
e8be7fe586f9 [project @ 2006-05-10 06:50:45 by jwe] jwe parents: 5794 diff changeset	797
e8be7fe586f9 [project @ 2006-05-10 06:50:45 by jwe] jwe parents: 5794 diff changeset	798 if (nargout > 0 \|\| nargin == 0)
5794 1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5791 diff changeset	799 retval = var;
5791 70215aff5ccf [project @ 2006-05-04 18:38:45 by jwe] jwe parents: 5781 diff changeset	800
10637 9cd5aa83fa62 implement 'local' parameter to pseudo-variables Jaroslav Hajek <highegg@gmail.com> parents: 10521 diff changeset	801 if (wants_local_change (args, nargin))
9cd5aa83fa62 implement 'local' parameter to pseudo-variables Jaroslav Hajek <highegg@gmail.com> parents: 10521 diff changeset	802 {
9cd5aa83fa62 implement 'local' parameter to pseudo-variables Jaroslav Hajek <highegg@gmail.com> parents: 10521 diff changeset	803 if (! try_local_protect (var))
9cd5aa83fa62 implement 'local' parameter to pseudo-variables Jaroslav Hajek <highegg@gmail.com> parents: 10521 diff changeset	804 warning ("\"local\" has no effect outside a function");
9cd5aa83fa62 implement 'local' parameter to pseudo-variables Jaroslav Hajek <highegg@gmail.com> parents: 10521 diff changeset	805 }
9cd5aa83fa62 implement 'local' parameter to pseudo-variables Jaroslav Hajek <highegg@gmail.com> parents: 10521 diff changeset	806
20939 b17fda023ca6 maint: Use new C++ archetype in more files. Rik <rik@octave.org> parents: 20925 diff changeset	807 if (nargin > 1)
b17fda023ca6 maint: Use new C++ archetype in more files. Rik <rik@octave.org> parents: 20925 diff changeset	808 print_usage ();
b17fda023ca6 maint: Use new C++ archetype in more files. Rik <rik@octave.org> parents: 20925 diff changeset	809
5791 70215aff5ccf [project @ 2006-05-04 18:38:45 by jwe] jwe parents: 5781 diff changeset	810 if (nargin == 1)
70215aff5ccf [project @ 2006-05-04 18:38:45 by jwe] jwe parents: 5781 diff changeset	811 {
20700 68e3a747ca02 rename octave_value value extractors that accept error message args John W. Eaton <jwe@octave.org> parents: 20581 diff changeset	812 std::string sval = args(0).xstring_value ("%s: argument must be a single character", nm);
20581 fd0efcdb3718 use new string_value method to handle value extraction errors John W. Eaton <jwe@octave.org> parents: 20556 diff changeset	813
fd0efcdb3718 use new string_value method to handle value extraction errors John W. Eaton <jwe@octave.org> parents: 20556 diff changeset	814 switch (sval.length ())
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	815 {
20581 fd0efcdb3718 use new string_value method to handle value extraction errors John W. Eaton <jwe@octave.org> parents: 20556 diff changeset	816 case 1:
fd0efcdb3718 use new string_value method to handle value extraction errors John W. Eaton <jwe@octave.org> parents: 20556 diff changeset	817 var = sval[0];
fd0efcdb3718 use new string_value method to handle value extraction errors John W. Eaton <jwe@octave.org> parents: 20556 diff changeset	818 break;
fd0efcdb3718 use new string_value method to handle value extraction errors John W. Eaton <jwe@octave.org> parents: 20556 diff changeset	819
fd0efcdb3718 use new string_value method to handle value extraction errors John W. Eaton <jwe@octave.org> parents: 20556 diff changeset	820 case 0:
fd0efcdb3718 use new string_value method to handle value extraction errors John W. Eaton <jwe@octave.org> parents: 20556 diff changeset	821 var = '\0';
fd0efcdb3718 use new string_value method to handle value extraction errors John W. Eaton <jwe@octave.org> parents: 20556 diff changeset	822 break;
fd0efcdb3718 use new string_value method to handle value extraction errors John W. Eaton <jwe@octave.org> parents: 20556 diff changeset	823
fd0efcdb3718 use new string_value method to handle value extraction errors John W. Eaton <jwe@octave.org> parents: 20556 diff changeset	824 default:
fd0efcdb3718 use new string_value method to handle value extraction errors John W. Eaton <jwe@octave.org> parents: 20556 diff changeset	825 error ("%s: argument must be a single character", nm);
fd0efcdb3718 use new string_value method to handle value extraction errors John W. Eaton <jwe@octave.org> parents: 20556 diff changeset	826 break;
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	827 }
5794 1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5791 diff changeset	828 }
1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5791 diff changeset	829
1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5791 diff changeset	830 return retval;
1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5791 diff changeset	831 }
1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5791 diff changeset	832
1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5791 diff changeset	833 octave_value
1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5791 diff changeset	834 set_internal_variable (int& var, const octave_value_list& args,
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	835 int nargout, const char *nm,
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	836 int minval, int maxval)
5794 1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5791 diff changeset	837 {
1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5791 diff changeset	838 octave_value retval;
1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5791 diff changeset	839
5800 e8be7fe586f9 [project @ 2006-05-10 06:50:45 by jwe] jwe parents: 5794 diff changeset	840 int nargin = args.length ();
e8be7fe586f9 [project @ 2006-05-10 06:50:45 by jwe] jwe parents: 5794 diff changeset	841
e8be7fe586f9 [project @ 2006-05-10 06:50:45 by jwe] jwe parents: 5794 diff changeset	842 if (nargout > 0 \|\| nargin == 0)
5794 1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5791 diff changeset	843 retval = var;
1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5791 diff changeset	844
10637 9cd5aa83fa62 implement 'local' parameter to pseudo-variables Jaroslav Hajek <highegg@gmail.com> parents: 10521 diff changeset	845 if (wants_local_change (args, nargin))
9cd5aa83fa62 implement 'local' parameter to pseudo-variables Jaroslav Hajek <highegg@gmail.com> parents: 10521 diff changeset	846 {
9cd5aa83fa62 implement 'local' parameter to pseudo-variables Jaroslav Hajek <highegg@gmail.com> parents: 10521 diff changeset	847 if (! try_local_protect (var))
9cd5aa83fa62 implement 'local' parameter to pseudo-variables Jaroslav Hajek <highegg@gmail.com> parents: 10521 diff changeset	848 warning ("\"local\" has no effect outside a function");
9cd5aa83fa62 implement 'local' parameter to pseudo-variables Jaroslav Hajek <highegg@gmail.com> parents: 10521 diff changeset	849 }
9cd5aa83fa62 implement 'local' parameter to pseudo-variables Jaroslav Hajek <highegg@gmail.com> parents: 10521 diff changeset	850
20939 b17fda023ca6 maint: Use new C++ archetype in more files. Rik <rik@octave.org> parents: 20925 diff changeset	851 if (nargin > 1)
b17fda023ca6 maint: Use new C++ archetype in more files. Rik <rik@octave.org> parents: 20925 diff changeset	852 print_usage ();
b17fda023ca6 maint: Use new C++ archetype in more files. Rik <rik@octave.org> parents: 20925 diff changeset	853
5794 1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5791 diff changeset	854 if (nargin == 1)
1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5791 diff changeset	855 {
20711 7b608fadc663 Make error messages more specific about the variable and problem encountered. Rik <rik@octave.org> parents: 20704 diff changeset	856 int ival = args(0).xint_value ("%s: argument must be an integer value", nm);
20704 571508c1ed06 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20700 diff changeset	857
571508c1ed06 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20700 diff changeset	858 if (ival < minval)
20711 7b608fadc663 Make error messages more specific about the variable and problem encountered. Rik <rik@octave.org> parents: 20704 diff changeset	859 error ("%s: arg must be greater than %d", nm, minval);
21224 2e64b5899d1f maint: invert if/else/error pattern in variables.cc Rik <rik@octave.org> parents: 21200 diff changeset	860 if (ival > maxval)
21055 5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21017 diff changeset	861 error ("%s: arg must be less than or equal to %d", nm, maxval);
21224 2e64b5899d1f maint: invert if/else/error pattern in variables.cc Rik <rik@octave.org> parents: 21200 diff changeset	862
2e64b5899d1f maint: invert if/else/error pattern in variables.cc Rik <rik@octave.org> parents: 21200 diff changeset	863 var = ival;
5794 1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5791 diff changeset	864 }
1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5791 diff changeset	865
1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5791 diff changeset	866 return retval;
1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5791 diff changeset	867 }
1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5791 diff changeset	868
1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5791 diff changeset	869 octave_value
1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5791 diff changeset	870 set_internal_variable (double& var, const octave_value_list& args,
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	871 int nargout, const char *nm,
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	872 double minval, double maxval)
5794 1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5791 diff changeset	873 {
1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5791 diff changeset	874 octave_value retval;
1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5791 diff changeset	875
5800 e8be7fe586f9 [project @ 2006-05-10 06:50:45 by jwe] jwe parents: 5794 diff changeset	876 int nargin = args.length ();
e8be7fe586f9 [project @ 2006-05-10 06:50:45 by jwe] jwe parents: 5794 diff changeset	877
e8be7fe586f9 [project @ 2006-05-10 06:50:45 by jwe] jwe parents: 5794 diff changeset	878 if (nargout > 0 \|\| nargin == 0)
5794 1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5791 diff changeset	879 retval = var;
1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5791 diff changeset	880
10637 9cd5aa83fa62 implement 'local' parameter to pseudo-variables Jaroslav Hajek <highegg@gmail.com> parents: 10521 diff changeset	881 if (wants_local_change (args, nargin))
9cd5aa83fa62 implement 'local' parameter to pseudo-variables Jaroslav Hajek <highegg@gmail.com> parents: 10521 diff changeset	882 {
9cd5aa83fa62 implement 'local' parameter to pseudo-variables Jaroslav Hajek <highegg@gmail.com> parents: 10521 diff changeset	883 if (! try_local_protect (var))
9cd5aa83fa62 implement 'local' parameter to pseudo-variables Jaroslav Hajek <highegg@gmail.com> parents: 10521 diff changeset	884 warning ("\"local\" has no effect outside a function");
9cd5aa83fa62 implement 'local' parameter to pseudo-variables Jaroslav Hajek <highegg@gmail.com> parents: 10521 diff changeset	885 }
9cd5aa83fa62 implement 'local' parameter to pseudo-variables Jaroslav Hajek <highegg@gmail.com> parents: 10521 diff changeset	886
20939 b17fda023ca6 maint: Use new C++ archetype in more files. Rik <rik@octave.org> parents: 20925 diff changeset	887 if (nargin > 1)
b17fda023ca6 maint: Use new C++ archetype in more files. Rik <rik@octave.org> parents: 20925 diff changeset	888 print_usage ();
b17fda023ca6 maint: Use new C++ archetype in more files. Rik <rik@octave.org> parents: 20925 diff changeset	889
5794 1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5791 diff changeset	890 if (nargin == 1)
1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5791 diff changeset	891 {
20711 7b608fadc663 Make error messages more specific about the variable and problem encountered. Rik <rik@octave.org> parents: 20704 diff changeset	892 double dval = args(0).xscalar_value ("%s: argument must be a scalar value", nm);
20704 571508c1ed06 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20700 diff changeset	893
571508c1ed06 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20700 diff changeset	894 if (dval < minval)
20711 7b608fadc663 Make error messages more specific about the variable and problem encountered. Rik <rik@octave.org> parents: 20704 diff changeset	895 error ("%s: argument must be greater than %g", minval);
21224 2e64b5899d1f maint: invert if/else/error pattern in variables.cc Rik <rik@octave.org> parents: 21200 diff changeset	896 if (dval > maxval)
20711 7b608fadc663 Make error messages more specific about the variable and problem encountered. Rik <rik@octave.org> parents: 20704 diff changeset	897 error ("%s: argument must be less than or equal to %g", maxval);
21224 2e64b5899d1f maint: invert if/else/error pattern in variables.cc Rik <rik@octave.org> parents: 21200 diff changeset	898
2e64b5899d1f maint: invert if/else/error pattern in variables.cc Rik <rik@octave.org> parents: 21200 diff changeset	899 var = dval;
5794 1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5791 diff changeset	900 }
1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5791 diff changeset	901
1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5791 diff changeset	902 return retval;
1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5791 diff changeset	903 }
1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5791 diff changeset	904
1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5791 diff changeset	905 octave_value
1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5791 diff changeset	906 set_internal_variable (std::string& var, const octave_value_list& args,
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	907 int nargout, const char *nm, bool empty_ok)
5794 1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5791 diff changeset	908 {
1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5791 diff changeset	909 octave_value retval;
1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5791 diff changeset	910
5800 e8be7fe586f9 [project @ 2006-05-10 06:50:45 by jwe] jwe parents: 5794 diff changeset	911 int nargin = args.length ();
e8be7fe586f9 [project @ 2006-05-10 06:50:45 by jwe] jwe parents: 5794 diff changeset	912
e8be7fe586f9 [project @ 2006-05-10 06:50:45 by jwe] jwe parents: 5794 diff changeset	913 if (nargout > 0 \|\| nargin == 0)
5794 1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5791 diff changeset	914 retval = var;
1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5791 diff changeset	915
10637 9cd5aa83fa62 implement 'local' parameter to pseudo-variables Jaroslav Hajek <highegg@gmail.com> parents: 10521 diff changeset	916 if (wants_local_change (args, nargin))
9cd5aa83fa62 implement 'local' parameter to pseudo-variables Jaroslav Hajek <highegg@gmail.com> parents: 10521 diff changeset	917 {
9cd5aa83fa62 implement 'local' parameter to pseudo-variables Jaroslav Hajek <highegg@gmail.com> parents: 10521 diff changeset	918 if (! try_local_protect (var))
9cd5aa83fa62 implement 'local' parameter to pseudo-variables Jaroslav Hajek <highegg@gmail.com> parents: 10521 diff changeset	919 warning ("\"local\" has no effect outside a function");
9cd5aa83fa62 implement 'local' parameter to pseudo-variables Jaroslav Hajek <highegg@gmail.com> parents: 10521 diff changeset	920 }
9cd5aa83fa62 implement 'local' parameter to pseudo-variables Jaroslav Hajek <highegg@gmail.com> parents: 10521 diff changeset	921
20939 b17fda023ca6 maint: Use new C++ archetype in more files. Rik <rik@octave.org> parents: 20925 diff changeset	922 if (nargin > 1)
b17fda023ca6 maint: Use new C++ archetype in more files. Rik <rik@octave.org> parents: 20925 diff changeset	923 print_usage ();
b17fda023ca6 maint: Use new C++ archetype in more files. Rik <rik@octave.org> parents: 20925 diff changeset	924
5794 1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5791 diff changeset	925 if (nargin == 1)
1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5791 diff changeset	926 {
20700 68e3a747ca02 rename octave_value value extractors that accept error message args John W. Eaton <jwe@octave.org> parents: 20581 diff changeset	927 std::string sval = args(0).xstring_value ("%s: first argument must be a string", nm);
20581 fd0efcdb3718 use new string_value method to handle value extraction errors John W. Eaton <jwe@octave.org> parents: 20556 diff changeset	928
21224 2e64b5899d1f maint: invert if/else/error pattern in variables.cc Rik <rik@octave.org> parents: 21200 diff changeset	929 if (! empty_ok && sval.empty ())
20581 fd0efcdb3718 use new string_value method to handle value extraction errors John W. Eaton <jwe@octave.org> parents: 20556 diff changeset	930 error ("%s: value must not be empty", nm);
21224 2e64b5899d1f maint: invert if/else/error pattern in variables.cc Rik <rik@octave.org> parents: 21200 diff changeset	931
2e64b5899d1f maint: invert if/else/error pattern in variables.cc Rik <rik@octave.org> parents: 21200 diff changeset	932 var = sval;
5791 70215aff5ccf [project @ 2006-05-04 18:38:45 by jwe] jwe parents: 5781 diff changeset	933 }
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	934
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	935 return retval;
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	936 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	937
10638 e1559a8a60b4 general mechanism for string enum variables Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	938 octave_value
e1559a8a60b4 general mechanism for string enum variables Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	939 set_internal_variable (int& var, const octave_value_list& args,
10640 5c594472f75e determine string enum length by trailing null rather than sizeof Jaroslav Hajek <highegg@gmail.com> parents: 10638 diff changeset	940 int nargout, const char nm, const char *choices)
10638 e1559a8a60b4 general mechanism for string enum variables Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	941 {
e1559a8a60b4 general mechanism for string enum variables Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	942 octave_value retval;
10640 5c594472f75e determine string enum length by trailing null rather than sizeof Jaroslav Hajek <highegg@gmail.com> parents: 10638 diff changeset	943 int nchoices = 0;
5c594472f75e determine string enum length by trailing null rather than sizeof Jaroslav Hajek <highegg@gmail.com> parents: 10638 diff changeset	944 while (choices[nchoices] != 0)
5c594472f75e determine string enum length by trailing null rather than sizeof Jaroslav Hajek <highegg@gmail.com> parents: 10638 diff changeset	945 nchoices++;
10638 e1559a8a60b4 general mechanism for string enum variables Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	946
e1559a8a60b4 general mechanism for string enum variables Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	947 int nargin = args.length ();
20799 c349d4c91ce2 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20769 diff changeset	948
10638 e1559a8a60b4 general mechanism for string enum variables Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	949 assert (var < nchoices);
e1559a8a60b4 general mechanism for string enum variables Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	950
e1559a8a60b4 general mechanism for string enum variables Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	951 if (nargout > 0 \|\| nargin == 0)
e1559a8a60b4 general mechanism for string enum variables Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	952 retval = choices[var];
e1559a8a60b4 general mechanism for string enum variables Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	953
e1559a8a60b4 general mechanism for string enum variables Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	954 if (wants_local_change (args, nargin))
e1559a8a60b4 general mechanism for string enum variables Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	955 {
e1559a8a60b4 general mechanism for string enum variables Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	956 if (! try_local_protect (var))
e1559a8a60b4 general mechanism for string enum variables Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	957 warning ("\"local\" has no effect outside a function");
e1559a8a60b4 general mechanism for string enum variables Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	958 }
e1559a8a60b4 general mechanism for string enum variables Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	959
20939 b17fda023ca6 maint: Use new C++ archetype in more files. Rik <rik@octave.org> parents: 20925 diff changeset	960 if (nargin > 1)
b17fda023ca6 maint: Use new C++ archetype in more files. Rik <rik@octave.org> parents: 20925 diff changeset	961 print_usage ();
b17fda023ca6 maint: Use new C++ archetype in more files. Rik <rik@octave.org> parents: 20925 diff changeset	962
10638 e1559a8a60b4 general mechanism for string enum variables Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	963 if (nargin == 1)
e1559a8a60b4 general mechanism for string enum variables Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	964 {
20700 68e3a747ca02 rename octave_value value extractors that accept error message args John W. Eaton <jwe@octave.org> parents: 20581 diff changeset	965 std::string sval = args(0).xstring_value ("%s: first argument must be a string", nm);
20581 fd0efcdb3718 use new string_value method to handle value extraction errors John W. Eaton <jwe@octave.org> parents: 20556 diff changeset	966
fd0efcdb3718 use new string_value method to handle value extraction errors John W. Eaton <jwe@octave.org> parents: 20556 diff changeset	967 int i = 0;
fd0efcdb3718 use new string_value method to handle value extraction errors John W. Eaton <jwe@octave.org> parents: 20556 diff changeset	968 for (; i < nchoices; i++)
10638 e1559a8a60b4 general mechanism for string enum variables Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	969 {
20581 fd0efcdb3718 use new string_value method to handle value extraction errors John W. Eaton <jwe@octave.org> parents: 20556 diff changeset	970 if (sval == choices[i])
10638 e1559a8a60b4 general mechanism for string enum variables Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	971 {
20581 fd0efcdb3718 use new string_value method to handle value extraction errors John W. Eaton <jwe@octave.org> parents: 20556 diff changeset	972 var = i;
fd0efcdb3718 use new string_value method to handle value extraction errors John W. Eaton <jwe@octave.org> parents: 20556 diff changeset	973 break;
10638 e1559a8a60b4 general mechanism for string enum variables Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	974 }
e1559a8a60b4 general mechanism for string enum variables Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	975 }
20581 fd0efcdb3718 use new string_value method to handle value extraction errors John W. Eaton <jwe@octave.org> parents: 20556 diff changeset	976 if (i == nchoices)
fd0efcdb3718 use new string_value method to handle value extraction errors John W. Eaton <jwe@octave.org> parents: 20556 diff changeset	977 error ("%s: value not allowed (\"%s\")", nm, sval.c_str ());
10638 e1559a8a60b4 general mechanism for string enum variables Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	978 }
e1559a8a60b4 general mechanism for string enum variables Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	979
e1559a8a60b4 general mechanism for string enum variables Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	980 return retval;
e1559a8a60b4 general mechanism for string enum variables Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	981 }
e1559a8a60b4 general mechanism for string enum variables Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	982
21272 987c1a79d33f new set_internal_variable variant John W. Eaton <jwe@octave.org> parents: 21224 diff changeset	983 octave_value
987c1a79d33f new set_internal_variable variant John W. Eaton <jwe@octave.org> parents: 21224 diff changeset	984 set_internal_variable (std::string& var, const octave_value_list& args,
987c1a79d33f new set_internal_variable variant John W. Eaton <jwe@octave.org> parents: 21224 diff changeset	985 int nargout, const char nm, const char *choices)
987c1a79d33f new set_internal_variable variant John W. Eaton <jwe@octave.org> parents: 21224 diff changeset	986 {
987c1a79d33f new set_internal_variable variant John W. Eaton <jwe@octave.org> parents: 21224 diff changeset	987 octave_value retval;
987c1a79d33f new set_internal_variable variant John W. Eaton <jwe@octave.org> parents: 21224 diff changeset	988 int nchoices = 0;
987c1a79d33f new set_internal_variable variant John W. Eaton <jwe@octave.org> parents: 21224 diff changeset	989 while (choices[nchoices] != 0)
987c1a79d33f new set_internal_variable variant John W. Eaton <jwe@octave.org> parents: 21224 diff changeset	990 nchoices++;
987c1a79d33f new set_internal_variable variant John W. Eaton <jwe@octave.org> parents: 21224 diff changeset	991
987c1a79d33f new set_internal_variable variant John W. Eaton <jwe@octave.org> parents: 21224 diff changeset	992 int nargin = args.length ();
987c1a79d33f new set_internal_variable variant John W. Eaton <jwe@octave.org> parents: 21224 diff changeset	993
987c1a79d33f new set_internal_variable variant John W. Eaton <jwe@octave.org> parents: 21224 diff changeset	994 if (nargout > 0 \|\| nargin == 0)
987c1a79d33f new set_internal_variable variant John W. Eaton <jwe@octave.org> parents: 21224 diff changeset	995 retval = var;
987c1a79d33f new set_internal_variable variant John W. Eaton <jwe@octave.org> parents: 21224 diff changeset	996
987c1a79d33f new set_internal_variable variant John W. Eaton <jwe@octave.org> parents: 21224 diff changeset	997 if (wants_local_change (args, nargin))
987c1a79d33f new set_internal_variable variant John W. Eaton <jwe@octave.org> parents: 21224 diff changeset	998 {
987c1a79d33f new set_internal_variable variant John W. Eaton <jwe@octave.org> parents: 21224 diff changeset	999 if (! try_local_protect (var))
987c1a79d33f new set_internal_variable variant John W. Eaton <jwe@octave.org> parents: 21224 diff changeset	1000 warning ("\"local\" has no effect outside a function");
987c1a79d33f new set_internal_variable variant John W. Eaton <jwe@octave.org> parents: 21224 diff changeset	1001 }
987c1a79d33f new set_internal_variable variant John W. Eaton <jwe@octave.org> parents: 21224 diff changeset	1002
987c1a79d33f new set_internal_variable variant John W. Eaton <jwe@octave.org> parents: 21224 diff changeset	1003 if (nargin > 1)
987c1a79d33f new set_internal_variable variant John W. Eaton <jwe@octave.org> parents: 21224 diff changeset	1004 print_usage ();
987c1a79d33f new set_internal_variable variant John W. Eaton <jwe@octave.org> parents: 21224 diff changeset	1005
987c1a79d33f new set_internal_variable variant John W. Eaton <jwe@octave.org> parents: 21224 diff changeset	1006 if (nargin == 1)
987c1a79d33f new set_internal_variable variant John W. Eaton <jwe@octave.org> parents: 21224 diff changeset	1007 {
987c1a79d33f new set_internal_variable variant John W. Eaton <jwe@octave.org> parents: 21224 diff changeset	1008 std::string sval = args(0).xstring_value ("%s: first argument must be a string", nm);
987c1a79d33f new set_internal_variable variant John W. Eaton <jwe@octave.org> parents: 21224 diff changeset	1009
987c1a79d33f new set_internal_variable variant John W. Eaton <jwe@octave.org> parents: 21224 diff changeset	1010 int i = 0;
987c1a79d33f new set_internal_variable variant John W. Eaton <jwe@octave.org> parents: 21224 diff changeset	1011 for (; i < nchoices; i++)
987c1a79d33f new set_internal_variable variant John W. Eaton <jwe@octave.org> parents: 21224 diff changeset	1012 {
987c1a79d33f new set_internal_variable variant John W. Eaton <jwe@octave.org> parents: 21224 diff changeset	1013 if (sval == choices[i])
987c1a79d33f new set_internal_variable variant John W. Eaton <jwe@octave.org> parents: 21224 diff changeset	1014 {
987c1a79d33f new set_internal_variable variant John W. Eaton <jwe@octave.org> parents: 21224 diff changeset	1015 var = sval;
987c1a79d33f new set_internal_variable variant John W. Eaton <jwe@octave.org> parents: 21224 diff changeset	1016 break;
987c1a79d33f new set_internal_variable variant John W. Eaton <jwe@octave.org> parents: 21224 diff changeset	1017 }
987c1a79d33f new set_internal_variable variant John W. Eaton <jwe@octave.org> parents: 21224 diff changeset	1018 }
987c1a79d33f new set_internal_variable variant John W. Eaton <jwe@octave.org> parents: 21224 diff changeset	1019 if (i == nchoices)
987c1a79d33f new set_internal_variable variant John W. Eaton <jwe@octave.org> parents: 21224 diff changeset	1020 error ("%s: value not allowed (\"%s\")", nm, sval.c_str ());
987c1a79d33f new set_internal_variable variant John W. Eaton <jwe@octave.org> parents: 21224 diff changeset	1021 }
987c1a79d33f new set_internal_variable variant John W. Eaton <jwe@octave.org> parents: 21224 diff changeset	1022
987c1a79d33f new set_internal_variable variant John W. Eaton <jwe@octave.org> parents: 21224 diff changeset	1023 return retval;
987c1a79d33f new set_internal_variable variant John W. Eaton <jwe@octave.org> parents: 21224 diff changeset	1024 }
987c1a79d33f new set_internal_variable variant John W. Eaton <jwe@octave.org> parents: 21224 diff changeset	1025
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7065 diff changeset	1026 struct
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7065 diff changeset	1027 whos_parameter
195 13c6086c325c [project @ 1993-11-06 10:12:29 by jwe] jwe parents: 191 diff changeset	1028 {
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7065 diff changeset	1029 char command;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7065 diff changeset	1030 char modifier;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7065 diff changeset	1031 int parameter_length;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7065 diff changeset	1032 int first_parameter_length;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7065 diff changeset	1033 int balance;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7065 diff changeset	1034 std::string text;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7065 diff changeset	1035 std::string line;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7065 diff changeset	1036 };
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7065 diff changeset	1037
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7065 diff changeset	1038 static void
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7065 diff changeset	1039 print_descriptor (std::ostream& os, std::list<whos_parameter> params)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7065 diff changeset	1040 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7065 diff changeset	1041 // This method prints a line of information on a given symbol
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7065 diff changeset	1042 std::list<whos_parameter>::iterator i = params.begin ();
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7065 diff changeset	1043 std::ostringstream param_buf;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7065 diff changeset	1044
17818 f1b59ef34eda attempt to avoid setting persistent state on i/o streams (bug #40396) John W. Eaton <jwe@octave.org> parents: 17787 diff changeset	1045 octave_preserve_stream_state stream_state (os);
f1b59ef34eda attempt to avoid setting persistent state on i/o streams (bug #40396) John W. Eaton <jwe@octave.org> parents: 17787 diff changeset	1046
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7065 diff changeset	1047 while (i != params.end ())
195 13c6086c325c [project @ 1993-11-06 10:12:29 by jwe] jwe parents: 191 diff changeset	1048 {
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7065 diff changeset	1049 whos_parameter param = *i;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7065 diff changeset	1050
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7065 diff changeset	1051 if (param.command != '\0')
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7065 diff changeset	1052 {
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1053 // Do the actual printing
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1054 switch (param.modifier)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1055 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1056 case 'l':
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17756 diff changeset	1057 os << std::setiosflags (std::ios::left)
175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17756 diff changeset	1058 << std::setw (param.parameter_length);
175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17756 diff changeset	1059 param_buf << std::setiosflags (std::ios::left)
175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17756 diff changeset	1060 << std::setw (param.parameter_length);
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1061 break;
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7065 diff changeset	1062
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1063 case 'r':
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17756 diff changeset	1064 os << std::setiosflags (std::ios::right)
175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17756 diff changeset	1065 << std::setw (param.parameter_length);
175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17756 diff changeset	1066 param_buf << std::setiosflags (std::ios::right)
175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17756 diff changeset	1067 << std::setw (param.parameter_length);
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1068 break;
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7065 diff changeset	1069
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1070 case 'c':
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1071 if (param.command != 's')
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1072 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1073 os << std::setiosflags (std::ios::left)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1074 << std::setw (param.parameter_length);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1075 param_buf << std::setiosflags (std::ios::left)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1076 << std::setw (param.parameter_length);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1077 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1078 break;
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7065 diff changeset	1079
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1080 default:
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17756 diff changeset	1081 os << std::setiosflags (std::ios::left)
175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17756 diff changeset	1082 << std::setw (param.parameter_length);
175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17756 diff changeset	1083 param_buf << std::setiosflags (std::ios::left)
175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17756 diff changeset	1084 << std::setw (param.parameter_length);
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1085 }
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7065 diff changeset	1086
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1087 if (param.command == 's' && param.modifier == 'c')
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1088 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1089 int a, b;
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11558 diff changeset	1090
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1091 if (param.modifier == 'c')
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1092 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1093 a = param.first_parameter_length - param.balance;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1094 a = (a < 0 ? 0 : a);
21751 b571fc85953f maint: Use two spaces after period to indicate sentence break. Rik <rik@octave.org> parents: 21743 diff changeset	1095 b = param.parameter_length - a - param.text.length ();
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1096 b = (b < 0 ? 0 : b);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1097 os << std::setiosflags (std::ios::left) << std::setw (a)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1098 << "" << std::resetiosflags (std::ios::left) << param.text
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1099 << std::setiosflags (std::ios::left)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1100 << std::setw (b) << ""
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1101 << std::resetiosflags (std::ios::left);
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17756 diff changeset	1102 param_buf << std::setiosflags (std::ios::left)
175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17756 diff changeset	1103 << std::setw (a)
175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17756 diff changeset	1104 << "" << std::resetiosflags (std::ios::left)
175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17756 diff changeset	1105 << param.line
175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17756 diff changeset	1106 << std::setiosflags (std::ios::left)
175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17756 diff changeset	1107 << std::setw (b) << ""
175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17756 diff changeset	1108 << std::resetiosflags (std::ios::left);
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1109 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1110 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1111 else
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1112 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1113 os << param.text;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1114 param_buf << param.line;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1115 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1116 os << std::resetiosflags (std::ios::left)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1117 << std::resetiosflags (std::ios::right);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1118 param_buf << std::resetiosflags (std::ios::left)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1119 << std::resetiosflags (std::ios::right);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1120 i++;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1121 }
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7065 diff changeset	1122 else
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1123 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1124 os << param.text;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1125 param_buf << param.line;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1126 i++;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1127 }
195 13c6086c325c [project @ 1993-11-06 10:12:29 by jwe] jwe parents: 191 diff changeset	1128 }
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7065 diff changeset	1129
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7065 diff changeset	1130 os << param_buf.str ();
195 13c6086c325c [project @ 1993-11-06 10:12:29 by jwe] jwe parents: 191 diff changeset	1131 }
13c6086c325c [project @ 1993-11-06 10:12:29 by jwe] jwe parents: 191 diff changeset	1132
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17756 diff changeset	1133 // FIXME: This is a bit of a kluge. We'd like to just use val.dims()
9704 bb413c0d0d6d whos: kluge fix to get size right for objects John W. Eaton <jwe@octave.org> parents: 9454 diff changeset	1134 // and if val is an object, expect that dims will call size if it is
bb413c0d0d6d whos: kluge fix to get size right for objects John W. Eaton <jwe@octave.org> parents: 9454 diff changeset	1135 // overloaded by a user-defined method. But there are currently some
bb413c0d0d6d whos: kluge fix to get size right for objects John W. Eaton <jwe@octave.org> parents: 9454 diff changeset	1136 // unresolved const issues that prevent that solution from working.
19718 675d92e7d507 Temporary workaround for user-defined object sizes reported as 1x1 in GUI (bug #43096) Colin Macdonald <cbm@m.fsf.org> parents: 19697 diff changeset	1137 // This same kluge is done in symtab.cc (do_workspace_info), fix there too.
9704 bb413c0d0d6d whos: kluge fix to get size right for objects John W. Eaton <jwe@octave.org> parents: 9454 diff changeset	1138
bb413c0d0d6d whos: kluge fix to get size right for objects John W. Eaton <jwe@octave.org> parents: 9454 diff changeset	1139 std::string
bb413c0d0d6d whos: kluge fix to get size right for objects John W. Eaton <jwe@octave.org> parents: 9454 diff changeset	1140 get_dims_str (const octave_value& val)
bb413c0d0d6d whos: kluge fix to get size right for objects John W. Eaton <jwe@octave.org> parents: 9454 diff changeset	1141 {
bb413c0d0d6d whos: kluge fix to get size right for objects John W. Eaton <jwe@octave.org> parents: 9454 diff changeset	1142 octave_value tmp = val;
bb413c0d0d6d whos: kluge fix to get size right for objects John W. Eaton <jwe@octave.org> parents: 9454 diff changeset	1143
bb413c0d0d6d whos: kluge fix to get size right for objects John W. Eaton <jwe@octave.org> parents: 9454 diff changeset	1144 Matrix sz = tmp.size ();
bb413c0d0d6d whos: kluge fix to get size right for objects John W. Eaton <jwe@octave.org> parents: 9454 diff changeset	1145
10350 12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10315 diff changeset	1146 dim_vector dv = dim_vector::alloc (sz.numel ());
9704 bb413c0d0d6d whos: kluge fix to get size right for objects John W. Eaton <jwe@octave.org> parents: 9454 diff changeset	1147
21660 53728df3e4c9 maint: for clarity, call ndims() rather than length() on dimension vectors. Rik <rik@octave.org> parents: 21580 diff changeset	1148 for (octave_idx_type i = 0; i < dv.ndims (); i++)
9704 bb413c0d0d6d whos: kluge fix to get size right for objects John W. Eaton <jwe@octave.org> parents: 9454 diff changeset	1149 dv(i) = sz(i);
bb413c0d0d6d whos: kluge fix to get size right for objects John W. Eaton <jwe@octave.org> parents: 9454 diff changeset	1150
bb413c0d0d6d whos: kluge fix to get size right for objects John W. Eaton <jwe@octave.org> parents: 9454 diff changeset	1151 return dv.str ();
bb413c0d0d6d whos: kluge fix to get size right for objects John W. Eaton <jwe@octave.org> parents: 9454 diff changeset	1152 }
bb413c0d0d6d whos: kluge fix to get size right for objects John W. Eaton <jwe@octave.org> parents: 9454 diff changeset	1153
7586 84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1154 class
84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1155 symbol_info_list
593 6f948c6251a9 [project @ 1994-08-09 04:29:10 by jwe] jwe parents: 584 diff changeset	1156 {
7586 84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1157 private:
84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1158 struct symbol_info
84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1159 {
84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1160 symbol_info (const symbol_table::symbol_record& sr,
21017 93748bcaec17 maint: Replace emtpy 'std::string ()' calls with "". Rik <rik@octave.org> parents: 20957 diff changeset	1161 const std::string& expr_str = "",
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1162 const octave_value& expr_val = octave_value ())
7586 84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1163 : name (expr_str.empty () ? sr.name () : expr_str),
12651 332bb3b9600e interpreter: Add new attribute 'complex' in whos (bug #32053) Daniel Kraft <d@domob.eu> parents: 12632 diff changeset	1164 varval (expr_val.is_undefined () ? sr.varval () : expr_val),
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1165 is_automatic (sr.is_automatic ()),
12651 332bb3b9600e interpreter: Add new attribute 'complex' in whos (bug #32053) Daniel Kraft <d@domob.eu> parents: 12632 diff changeset	1166 is_complex (varval.is_complex_type ()),
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1167 is_formal (sr.is_formal ()),
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1168 is_global (sr.is_global ()),
12651 332bb3b9600e interpreter: Add new attribute 'complex' in whos (bug #32053) Daniel Kraft <d@domob.eu> parents: 12632 diff changeset	1169 is_persistent (sr.is_persistent ())
7586 84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1170 { }
84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1171
84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1172 void display_line (std::ostream& os,
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1173 const std::list<whos_parameter>& params) const
593 6f948c6251a9 [project @ 1994-08-09 04:29:10 by jwe] jwe parents: 584 diff changeset	1174 {
9704 bb413c0d0d6d whos: kluge fix to get size right for objects John W. Eaton <jwe@octave.org> parents: 9454 diff changeset	1175 std::string dims_str = get_dims_str (varval);
7586 84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1176
84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1177 std::list<whos_parameter>::const_iterator i = params.begin ();
84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1178
17818 f1b59ef34eda attempt to avoid setting persistent state on i/o streams (bug #40396) John W. Eaton <jwe@octave.org> parents: 17787 diff changeset	1179 octave_preserve_stream_state stream_state (os);
f1b59ef34eda attempt to avoid setting persistent state on i/o streams (bug #40396) John W. Eaton <jwe@octave.org> parents: 17787 diff changeset	1180
7586 84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1181 while (i != params.end ())
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1182 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1183 whos_parameter param = *i;
7586 84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1184
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1185 if (param.command != '\0')
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1186 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1187 // Do the actual printing.
7586 84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1188
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1189 switch (param.modifier)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1190 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1191 case 'l':
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1192 os << std::setiosflags (std::ios::left)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1193 << std::setw (param.parameter_length);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1194 break;
7586 84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1195
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1196 case 'r':
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1197 os << std::setiosflags (std::ios::right)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1198 << std::setw (param.parameter_length);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1199 break;
7586 84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1200
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1201 case 'c':
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1202 if (param.command == 's')
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1203 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1204 int front = param.first_parameter_length
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17756 diff changeset	1205 - dims_str.find ('x');
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1206 int back = param.parameter_length
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17756 diff changeset	1207 - dims_str.length ()
175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17756 diff changeset	1208 - front;
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1209 front = (front > 0) ? front : 0;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1210 back = (back > 0) ? back : 0;
7586 84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1211
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1212 os << std::setiosflags (std::ios::left)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1213 << std::setw (front)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1214 << ""
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1215 << std::resetiosflags (std::ios::left)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1216 << dims_str
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1217 << std::setiosflags (std::ios::left)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1218 << std::setw (back)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1219 << ""
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1220 << std::resetiosflags (std::ios::left);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1221 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1222 else
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1223 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1224 os << std::setiosflags (std::ios::left)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1225 << std::setw (param.parameter_length);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1226 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1227 break;
7586 84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1228
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1229 default:
15466 d174210ce1ec use ' instead of ` in error messages, warnings and most comments John W. Eaton <jwe@octave.org> parents: 14138 diff changeset	1230 error ("whos_line_format: modifier '%c' unknown",
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1231 param.modifier);
7586 84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1232
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1233 os << std::setiosflags (std::ios::right)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1234 << std::setw (param.parameter_length);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1235 }
7586 84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1236
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1237 switch (param.command)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1238 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1239 case 'a':
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1240 {
12651 332bb3b9600e interpreter: Add new attribute 'complex' in whos (bug #32053) Daniel Kraft <d@domob.eu> parents: 12632 diff changeset	1241 char tmp[6];
7586 84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1242
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1243 tmp[0] = (is_automatic ? 'a' : ' ');
12651 332bb3b9600e interpreter: Add new attribute 'complex' in whos (bug #32053) Daniel Kraft <d@domob.eu> parents: 12632 diff changeset	1244 tmp[1] = (is_complex ? 'c' : ' ');
332bb3b9600e interpreter: Add new attribute 'complex' in whos (bug #32053) Daniel Kraft <d@domob.eu> parents: 12632 diff changeset	1245 tmp[2] = (is_formal ? 'f' : ' ');
332bb3b9600e interpreter: Add new attribute 'complex' in whos (bug #32053) Daniel Kraft <d@domob.eu> parents: 12632 diff changeset	1246 tmp[3] = (is_global ? 'g' : ' ');
332bb3b9600e interpreter: Add new attribute 'complex' in whos (bug #32053) Daniel Kraft <d@domob.eu> parents: 12632 diff changeset	1247 tmp[4] = (is_persistent ? 'p' : ' ');
332bb3b9600e interpreter: Add new attribute 'complex' in whos (bug #32053) Daniel Kraft <d@domob.eu> parents: 12632 diff changeset	1248 tmp[5] = 0;
7586 84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1249
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1250 os << tmp;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1251 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1252 break;
7586 84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1253
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1254 case 'b':
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1255 os << varval.byte_size ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1256 break;
7586 84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1257
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1258 case 'c':
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1259 os << varval.class_name ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1260 break;
7586 84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1261
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1262 case 'e':
20229 5dfaaaae784f Deprecate Array::capacity() and Sparse::capacity() for numel() and nzmax(). Carnë Draug <carandraug@octave.org> parents: 20206 diff changeset	1263 os << varval.numel ();
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1264 break;
7586 84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1265
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1266 case 'n':
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1267 os << name;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1268 break;
7586 84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1269
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1270 case 's':
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1271 if (param.modifier != 'c')
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1272 os << dims_str;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1273 break;
7586 84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1274
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1275 case 't':
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1276 os << varval.type_name ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1277 break;
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11558 diff changeset	1278
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1279 default:
15466 d174210ce1ec use ' instead of ` in error messages, warnings and most comments John W. Eaton <jwe@octave.org> parents: 14138 diff changeset	1280 error ("whos_line_format: command '%c' unknown",
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1281 param.command);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1282 }
7586 84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1283
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1284 os << std::resetiosflags (std::ios::left)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1285 << std::resetiosflags (std::ios::right);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1286 i++;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1287 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1288 else
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1289 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1290 os << param.text;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1291 i++;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1292 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1293 }
593 6f948c6251a9 [project @ 1994-08-09 04:29:10 by jwe] jwe parents: 584 diff changeset	1294 }
7586 84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1295
84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1296 std::string name;
12651 332bb3b9600e interpreter: Add new attribute 'complex' in whos (bug #32053) Daniel Kraft <d@domob.eu> parents: 12632 diff changeset	1297 octave_value varval;
7586 84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1298 bool is_automatic;
12651 332bb3b9600e interpreter: Add new attribute 'complex' in whos (bug #32053) Daniel Kraft <d@domob.eu> parents: 12632 diff changeset	1299 bool is_complex;
7586 84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1300 bool is_formal;
84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1301 bool is_global;
84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1302 bool is_persistent;
84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1303 };
84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1304
84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1305 public:
84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1306 symbol_info_list (void) : lst () { }
84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1307
84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1308 symbol_info_list (const symbol_info_list& sil) : lst (sil.lst) { }
84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1309
84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1310 symbol_info_list& operator = (const symbol_info_list& sil)
84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1311 {
84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1312 if (this != &sil)
84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1313 lst = sil.lst;
84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1314
84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1315 return *this;
84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1316 }
84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1317
84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1318 ~symbol_info_list (void) { }
84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1319
84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1320 void append (const symbol_table::symbol_record& sr)
84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1321 {
84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1322 lst.push_back (symbol_info (sr));
84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1323 }
84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1324
84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1325 void append (const symbol_table::symbol_record& sr,
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1326 const std::string& expr_str,
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1327 const octave_value& expr_val)
7586 84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1328 {
84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1329 lst.push_back (symbol_info (sr, expr_str, expr_val));
84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1330 }
84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1331
84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1332 size_t size (void) const { return lst.size (); }
84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1333
84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1334 bool empty (void) const { return lst.empty (); }
84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1335
11069 e40e19761d06 variables.cc: Octave_map to octave_map and octave_scalar_map conversion John W. Eaton <jwe@octave.org> parents: 11029 diff changeset	1336 octave_map
7586 84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1337 map_value (const std::string& caller_function_name, int nesting_level) const
84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1338 {
84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1339 size_t len = lst.size ();
84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1340
9732 b4fdfee405b5 remove ArrayN<T> + fix nonhom. diag-scalar ops Jaroslav Hajek <highegg@gmail.com> parents: 9727 diff changeset	1341 Cell name_info (len, 1);
b4fdfee405b5 remove ArrayN<T> + fix nonhom. diag-scalar ops Jaroslav Hajek <highegg@gmail.com> parents: 9727 diff changeset	1342 Cell size_info (len, 1);
b4fdfee405b5 remove ArrayN<T> + fix nonhom. diag-scalar ops Jaroslav Hajek <highegg@gmail.com> parents: 9727 diff changeset	1343 Cell bytes_info (len, 1);
b4fdfee405b5 remove ArrayN<T> + fix nonhom. diag-scalar ops Jaroslav Hajek <highegg@gmail.com> parents: 9727 diff changeset	1344 Cell class_info (len, 1);
b4fdfee405b5 remove ArrayN<T> + fix nonhom. diag-scalar ops Jaroslav Hajek <highegg@gmail.com> parents: 9727 diff changeset	1345 Cell global_info (len, 1);
b4fdfee405b5 remove ArrayN<T> + fix nonhom. diag-scalar ops Jaroslav Hajek <highegg@gmail.com> parents: 9727 diff changeset	1346 Cell sparse_info (len, 1);
b4fdfee405b5 remove ArrayN<T> + fix nonhom. diag-scalar ops Jaroslav Hajek <highegg@gmail.com> parents: 9727 diff changeset	1347 Cell complex_info (len, 1);
b4fdfee405b5 remove ArrayN<T> + fix nonhom. diag-scalar ops Jaroslav Hajek <highegg@gmail.com> parents: 9727 diff changeset	1348 Cell nesting_info (len, 1);
b4fdfee405b5 remove ArrayN<T> + fix nonhom. diag-scalar ops Jaroslav Hajek <highegg@gmail.com> parents: 9727 diff changeset	1349 Cell persistent_info (len, 1);
7586 84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1350
84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1351 std::list<symbol_info>::const_iterator p = lst.begin ();
84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1352
84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1353 for (size_t j = 0; j < len; j++)
84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1354 {
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1355 const symbol_info& si = *p++;
7586 84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1356
11069 e40e19761d06 variables.cc: Octave_map to octave_map and octave_scalar_map conversion John W. Eaton <jwe@octave.org> parents: 11029 diff changeset	1357 octave_scalar_map ni;
7586 84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1358
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1359 ni.assign ("function", caller_function_name);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1360 ni.assign ("level", nesting_level);
7586 84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1361
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1362 name_info(j) = si.name;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1363 global_info(j) = si.is_global;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1364 persistent_info(j) = si.is_persistent;
7586 84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1365
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1366 octave_value val = si.varval;
7586 84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1367
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1368 size_info(j) = val.size ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1369 bytes_info(j) = val.byte_size ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1370 class_info(j) = val.class_name ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1371 sparse_info(j) = val.is_sparse_type ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1372 complex_info(j) = val.is_complex_type ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1373 nesting_info(j) = ni;
7586 84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1374 }
84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1375
11069 e40e19761d06 variables.cc: Octave_map to octave_map and octave_scalar_map conversion John W. Eaton <jwe@octave.org> parents: 11029 diff changeset	1376 octave_map info;
7586 84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1377
84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1378 info.assign ("name", name_info);
84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1379 info.assign ("size", size_info);
84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1380 info.assign ("bytes", bytes_info);
84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1381 info.assign ("class", class_info);
84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1382 info.assign ("global", global_info);
84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1383 info.assign ("sparse", sparse_info);
84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1384 info.assign ("complex", complex_info);
84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1385 info.assign ("nesting", nesting_info);
84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1386 info.assign ("persistent", persistent_info);
84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1387
84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1388 return info;
84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1389 }
84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1390
84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1391 void display (std::ostream& os)
84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1392 {
84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1393 if (! lst.empty ())
84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1394 {
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1395 size_t bytes = 0;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1396 size_t elements = 0;
7586 84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1397
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1398 std::list<whos_parameter> params = parse_whos_line_format ();
7586 84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1399
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1400 print_descriptor (os, params);
7586 84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1401
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1402 octave_stdout << "\n";
7586 84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1403
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1404 for (std::list<symbol_info>::const_iterator p = lst.begin ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1405 p != lst.end (); p++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1406 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1407 p->display_line (os, params);
7586 84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1408
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1409 octave_value val = p->varval;
7586 84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1410
20229 5dfaaaae784f Deprecate Array::capacity() and Sparse::capacity() for numel() and nzmax(). Carnë Draug <carandraug@octave.org> parents: 20206 diff changeset	1411 elements += val.numel ();
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1412 bytes += val.byte_size ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1413 }
7586 84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1414
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1415 os << "\nTotal is " << elements
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1416 << (elements == 1 ? " element" : " elements")
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1417 << " using " << bytes << (bytes == 1 ? " byte" : " bytes")
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1418 << "\n";
7586 84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1419 }
84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1420 }
84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1421
84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1422 // Parse the string whos_line_format, and return a parameter list,
84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1423 // containing all information needed to print the given
20727 a5949b3d2332 Preface warning() messages with name of function when possible. Rik <rik@octave.org> parents: 20713 diff changeset	1424 // attributes of the symbols.
7586 84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1425 std::list<whos_parameter> parse_whos_line_format (void)
84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1426 {
84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1427 int idx;
84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1428 size_t format_len = Vwhos_line_format.length ();
84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1429 char garbage;
84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1430 std::list<whos_parameter> params;
84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1431
84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1432 size_t bytes1;
84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1433 int elements1;
84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1434
84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1435 std::string param_string = "abcenst";
84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1436 Array<int> param_length (dim_vector (param_string.length (), 1));
84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1437 Array<std::string> param_names (dim_vector (param_string.length (), 1));
84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1438 size_t pos_a, pos_b, pos_c, pos_e, pos_n, pos_s, pos_t;
84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1439
84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1440 pos_a = param_string.find ('a'); // Attributes
84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1441 pos_b = param_string.find ('b'); // Bytes
84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1442 pos_c = param_string.find ('c'); // Class
84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1443 pos_e = param_string.find ('e'); // Elements
84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1444 pos_n = param_string.find ('n'); // Name
84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1445 pos_s = param_string.find ('s'); // Size
84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1446 pos_t = param_string.find ('t'); // Type
84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1447
84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1448 param_names(pos_a) = "Attr";
84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1449 param_names(pos_b) = "Bytes";
84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1450 param_names(pos_c) = "Class";
84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1451 param_names(pos_e) = "Elements";
84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1452 param_names(pos_n) = "Name";
84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1453 param_names(pos_s) = "Size";
84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1454 param_names(pos_t) = "Type";
84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1455
84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1456 for (size_t i = 0; i < param_string.length (); i++)
14861 f7afecdd87ef maint: Use Octave coding conventions for cuddling parentheses in src/ directory Rik <octave@nomad.inbox5.com> parents: 14846 diff changeset	1457 param_length(i) = param_names(i).length ();
7586 84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1458
12651 332bb3b9600e interpreter: Add new attribute 'complex' in whos (bug #32053) Daniel Kraft <d@domob.eu> parents: 12632 diff changeset	1459 // The attribute column needs size 5.
332bb3b9600e interpreter: Add new attribute 'complex' in whos (bug #32053) Daniel Kraft <d@domob.eu> parents: 12632 diff changeset	1460 param_length(pos_a) = 5;
332bb3b9600e interpreter: Add new attribute 'complex' in whos (bug #32053) Daniel Kraft <d@domob.eu> parents: 12632 diff changeset	1461
7586 84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1462 // Calculating necessary spacing for name column,
84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1463 // bytes column, elements column and class column
84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1464
84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1465 for (std::list<symbol_info>::const_iterator p = lst.begin ();
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1466 p != lst.end (); p++)
7586 84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1467 {
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1468 std::stringstream ss1, ss2;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1469 std::string str;
7586 84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1470
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1471 str = p->name;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1472 param_length(pos_n) = ((str.length ()
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1473 > static_cast<size_t> (param_length(pos_n)))
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1474 ? str.length () : param_length(pos_n));
7586 84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1475
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1476 octave_value val = p->varval;
7586 84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1477
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1478 str = val.type_name ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1479 param_length(pos_t) = ((str.length ()
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1480 > static_cast<size_t> (param_length(pos_t)))
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1481 ? str.length () : param_length(pos_t));
7586 84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1482
20229 5dfaaaae784f Deprecate Array::capacity() and Sparse::capacity() for numel() and nzmax(). Carnë Draug <carandraug@octave.org> parents: 20206 diff changeset	1483 elements1 = val.numel ();
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1484 ss1 << elements1;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1485 str = ss1.str ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1486 param_length(pos_e) = ((str.length ()
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1487 > static_cast<size_t> (param_length(pos_e)))
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1488 ? str.length () : param_length(pos_e));
7586 84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1489
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1490 bytes1 = val.byte_size ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1491 ss2 << bytes1;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1492 str = ss2.str ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1493 param_length(pos_b) = ((str.length ()
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1494 > static_cast<size_t> (param_length(pos_b)))
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1495 ? str.length () : param_length (pos_b));
7586 84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1496 }
84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1497
84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1498 idx = 0;
84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1499 while (static_cast<size_t> (idx) < format_len)
84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1500 {
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1501 whos_parameter param;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1502 param.command = '\0';
7586 84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1503
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1504 if (Vwhos_line_format[idx] == '%')
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1505 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1506 bool error_encountered = false;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1507 param.modifier = 'r';
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1508 param.parameter_length = 0;
7586 84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1509
18100 6a71e5030df5 Follow coding convention of defining and initializing only 1 variable per line in liboctinterp. Rik <rik@octave.org> parents: 18074 diff changeset	1510 int a = 0;
6a71e5030df5 Follow coding convention of defining and initializing only 1 variable per line in liboctinterp. Rik <rik@octave.org> parents: 18074 diff changeset	1511 int b = -1;
6a71e5030df5 Follow coding convention of defining and initializing only 1 variable per line in liboctinterp. Rik <rik@octave.org> parents: 18074 diff changeset	1512 int balance = 1;
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1513 unsigned int items;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1514 size_t pos;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1515 std::string cmd;
7586 84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1516
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1517 // Parse one command from whos_line_format
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1518 cmd = Vwhos_line_format.substr (idx, Vwhos_line_format.length ());
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1519 pos = cmd.find (';');
21224 2e64b5899d1f maint: invert if/else/error pattern in variables.cc Rik <rik@octave.org> parents: 21200 diff changeset	1520 if (pos == std::string::npos)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1521 error ("parameter without ; in whos_line_format");
7586 84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1522
21224 2e64b5899d1f maint: invert if/else/error pattern in variables.cc Rik <rik@octave.org> parents: 21200 diff changeset	1523 cmd = cmd.substr (0, pos+1);
2e64b5899d1f maint: invert if/else/error pattern in variables.cc Rik <rik@octave.org> parents: 21200 diff changeset	1524
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1525 idx += cmd.length ();
7586 84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1526
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17756 diff changeset	1527 // FIXME: use iostream functions instead of sscanf!
7586 84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1528
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1529 if (cmd.find_first_of ("crl") != 1)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1530 items = sscanf (cmd.c_str (), "%c%c:%d:%d:%d;",
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1531 &garbage, &param.command, &a, &b, &balance);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1532 else
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1533 items = sscanf (cmd.c_str (), "%c%c%c:%d:%d:%d;",
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1534 &garbage, &param.modifier, &param.command,
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1535 &a, &b, &balance) - 1;
7586 84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1536
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1537 if (items < 2)
20831 35241c4b696c eliminate return statements after calls to error John W. Eaton <jwe@octave.org> parents: 20819 diff changeset	1538 error ("whos_line_format: parameter structure without command in whos_line_format");
7586 84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1539
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1540 // Insert data into parameter
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1541 param.first_parameter_length = 0;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1542 pos = param_string.find (param.command);
21224 2e64b5899d1f maint: invert if/else/error pattern in variables.cc Rik <rik@octave.org> parents: 21200 diff changeset	1543 if (pos == std::string::npos)
2e64b5899d1f maint: invert if/else/error pattern in variables.cc Rik <rik@octave.org> parents: 21200 diff changeset	1544 error ("whos_line_format: '%c' is not a command", param.command);
2e64b5899d1f maint: invert if/else/error pattern in variables.cc Rik <rik@octave.org> parents: 21200 diff changeset	1545
2e64b5899d1f maint: invert if/else/error pattern in variables.cc Rik <rik@octave.org> parents: 21200 diff changeset	1546 param.parameter_length = param_length(pos);
2e64b5899d1f maint: invert if/else/error pattern in variables.cc Rik <rik@octave.org> parents: 21200 diff changeset	1547 param.text = param_names(pos);
2e64b5899d1f maint: invert if/else/error pattern in variables.cc Rik <rik@octave.org> parents: 21200 diff changeset	1548 param.line.assign (param_names(pos).length (), '=');
2e64b5899d1f maint: invert if/else/error pattern in variables.cc Rik <rik@octave.org> parents: 21200 diff changeset	1549
2e64b5899d1f maint: invert if/else/error pattern in variables.cc Rik <rik@octave.org> parents: 21200 diff changeset	1550 param.parameter_length = (a > param.parameter_length
2e64b5899d1f maint: invert if/else/error pattern in variables.cc Rik <rik@octave.org> parents: 21200 diff changeset	1551 ? a : param.parameter_length);
2e64b5899d1f maint: invert if/else/error pattern in variables.cc Rik <rik@octave.org> parents: 21200 diff changeset	1552 if (param.command == 's' && param.modifier == 'c' && b > 0)
2e64b5899d1f maint: invert if/else/error pattern in variables.cc Rik <rik@octave.org> parents: 21200 diff changeset	1553 param.first_parameter_length = b;
7586 84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1554
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1555 if (param.command == 's')
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1556 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1557 // Have to calculate space needed for printing
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1558 // matrix dimensions Space needed for Size column is
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1559 // hard to determine in prior, because it depends on
21751 b571fc85953f maint: Use two spaces after period to indicate sentence break. Rik <rik@octave.org> parents: 21743 diff changeset	1560 // dimensions to be shown. That is why it is
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1561 // recalculated for each Size-command int first,
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1562 // rest = 0, total;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1563 int rest = 0;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1564 int first = param.first_parameter_length;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1565 int total = param.parameter_length;
7586 84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1566
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1567 for (std::list<symbol_info>::const_iterator p = lst.begin ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1568 p != lst.end (); p++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1569 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1570 octave_value val = p->varval;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1571 std::string dims_str = get_dims_str (val);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1572 int first1 = dims_str.find ('x');
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1573 int total1 = dims_str.length ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1574 int rest1 = total1 - first1;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1575 rest = (rest1 > rest ? rest1 : rest);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1576 first = (first1 > first ? first1 : first);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1577 total = (total1 > total ? total1 : total);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1578 }
7586 84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1579
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1580 if (param.modifier == 'c')
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1581 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1582 if (first < balance)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1583 first += balance - first;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1584 if (rest + balance < param.parameter_length)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1585 rest += param.parameter_length - rest - balance;
7586 84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1586
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1587 param.parameter_length = first + rest;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1588 param.first_parameter_length = first;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1589 param.balance = balance;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1590 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1591 else
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1592 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1593 param.parameter_length = total;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1594 param.first_parameter_length = 0;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1595 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1596 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1597 else if (param.modifier == 'c')
20831 35241c4b696c eliminate return statements after calls to error John W. Eaton <jwe@octave.org> parents: 20819 diff changeset	1598 error ("whos_line_format: modifier 'c' not available for command '%c'",
35241c4b696c eliminate return statements after calls to error John W. Eaton <jwe@octave.org> parents: 20819 diff changeset	1599 param.command);
7586 84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1600
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1601 // What happens if whos_line_format contains negative numbers
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1602 // at param_length positions?
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1603 param.balance = (b < 0 ? 0 : param.balance);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1604 param.first_parameter_length = (b < 0 ? 0 :
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1605 param.first_parameter_length);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1606 param.parameter_length = (a < 0
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1607 ? 0
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1608 : (param.parameter_length
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1609 < param_length(pos_s)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1610 ? param_length(pos_s)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1611 : param.parameter_length));
7586 84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1612
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1613 // Parameter will not be pushed into parameter list if ...
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1614 if (! error_encountered)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1615 params.push_back (param);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1616 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1617 else
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1618 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1619 // Text string, to be printed as it is ...
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1620 std::string text;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1621 size_t pos;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1622 text = Vwhos_line_format.substr (idx, Vwhos_line_format.length ());
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1623 pos = text.find ('%');
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1624 if (pos != std::string::npos)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1625 text = text.substr (0, pos);
7586 84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1626
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1627 // Push parameter into list ...
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1628 idx += text.length ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1629 param.text=text;
14846 460a3c6d8bf1 maint: Use Octave coding convention for cuddled parenthis in function calls with empty argument lists. Rik <octave@nomad.inbox5.com> parents: 14429 diff changeset	1630 param.line.assign (text.length (), ' ');
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1631 params.push_back (param);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1632 }
7586 84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1633 }
84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1634
84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1635 return params;
84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1636 }
84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1637
84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1638 private:
84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1639 std::list<symbol_info> lst;
84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1640
84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1641 };
5659 960f4b9a26af [project @ 2006-03-10 15:35:20 by jwe] jwe parents: 5642 diff changeset	1642
4435 dd7af4fa1942 [project @ 2003-06-23 17:52:36 by jwe] jwe parents: 4357 diff changeset	1643 static octave_value
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7065 diff changeset	1644 do_who (int argc, const string_vector& argv, bool return_list,
21017 93748bcaec17 maint: Replace emtpy 'std::string ()' calls with "". Rik <rik@octave.org> parents: 20957 diff changeset	1645 bool verbose = false, std::string msg = "")
529 7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe] jwe parents: 506 diff changeset	1646 {
4435 dd7af4fa1942 [project @ 2003-06-23 17:52:36 by jwe] jwe parents: 4357 diff changeset	1647 octave_value retval;
529 7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe] jwe parents: 506 diff changeset	1648
3523 b80bbb43a1a9 [project @ 2000-02-02 10:25:52 by jwe] jwe parents: 3476 diff changeset	1649 std::string my_name = argv[0];
584 4057f845c1ee [project @ 1994-08-07 04:40:03 by jwe] jwe parents: 581 diff changeset	1650
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7065 diff changeset	1651 bool global_only = false;
7779 791231dac333 Add regexp matching to Fwho and Fclear David Bateman <dbateman@free.fr> parents: 7761 diff changeset	1652 bool have_regexp = false;
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7065 diff changeset	1653
1857 99d5b59cb855 [project @ 1996-02-04 08:02:58 by jwe] jwe parents: 1827 diff changeset	1654 int i;
99d5b59cb855 [project @ 1996-02-04 08:02:58 by jwe] jwe parents: 1827 diff changeset	1655 for (i = 1; i < argc; i++)
529 7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe] jwe parents: 506 diff changeset	1656 {
7779 791231dac333 Add regexp matching to Fwho and Fclear David Bateman <dbateman@free.fr> parents: 7761 diff changeset	1657 if (argv[i] == "-file")
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1658 {
17861 870f3e12e163 maint: Use phrase "FIXME:" for problem areas in code. Rik <rik@octave.org> parents: 17818 diff changeset	1659 // FIXME: This is an inefficient manner to implement this as the
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1660 // variables are loaded in to a temporary context and then treated.
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1661 // It would be better to refecat symbol_info_list to not store the
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1662 // symbol records and then use it in load-save.cc (do_load) to
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11558 diff changeset	1663 // implement this option there so that the variables are never
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1664 // stored at all.
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1665 if (i == argc - 1)
20713 2469d78a1d8b Consistently use 'filename' rather than 'file name' throughout code base. Rik <rik@octave.org> parents: 20711 diff changeset	1666 error ("whos: -file argument must be followed by a filename");
21055 5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21017 diff changeset	1667
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21017 diff changeset	1668 std::string nm = argv[i + 1];
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21017 diff changeset	1669
21743 f4d7d0eb5b0c use namespace for unwind_protect class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	1670 octave::unwind_protect frame;
21055 5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21017 diff changeset	1671
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21017 diff changeset	1672 // Set up temporary scope.
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21017 diff changeset	1673
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21017 diff changeset	1674 symbol_table::scope_id tmp_scope = symbol_table::alloc_scope ();
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21017 diff changeset	1675 frame.add_fcn (symbol_table::erase_scope, tmp_scope);
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21017 diff changeset	1676
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21017 diff changeset	1677 symbol_table::set_scope (tmp_scope);
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21017 diff changeset	1678
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21017 diff changeset	1679 octave_call_stack::push (tmp_scope, 0);
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21017 diff changeset	1680 frame.add_fcn (octave_call_stack::pop);
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21017 diff changeset	1681
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21017 diff changeset	1682 frame.add_fcn (symbol_table::clear_variables);
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21017 diff changeset	1683
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21017 diff changeset	1684 feval ("load", octave_value (nm), 0);
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21017 diff changeset	1685
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21017 diff changeset	1686 std::string newmsg = std::string ("Variables in the file ")
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21017 diff changeset	1687 + nm + ":\n\n";
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21017 diff changeset	1688
21568 3d60ed163b70 maint: Eliminate bad spacing around '='. Rik <rik@octave.org> parents: 21547 diff changeset	1689 retval = do_who (i, argv, return_list, verbose, newmsg);
8131 10b63c4fd413 Add -file option to who/whos David Bateman <dbateman@free.fr> parents: 8083 diff changeset	1690
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1691 return retval;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1692 }
7779 791231dac333 Add regexp matching to Fwho and Fclear David Bateman <dbateman@free.fr> parents: 7761 diff changeset	1693 else if (argv[i] == "-regexp")
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1694 have_regexp = true;
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7065 diff changeset	1695 else if (argv[i] == "global")
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1696 global_only = true;
1755 3a9462b655f1 [project @ 1996-01-22 04:47:22 by jwe] jwe parents: 1742 diff changeset	1697 else if (argv[i][0] == '-')
15466 d174210ce1ec use ' instead of ` in error messages, warnings and most comments John W. Eaton <jwe@octave.org> parents: 14138 diff changeset	1698 warning ("%s: unrecognized option '%s'", my_name.c_str (),
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1699 argv[i].c_str ());
529 7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe] jwe parents: 506 diff changeset	1700 else
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1701 break;
529 7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe] jwe parents: 506 diff changeset	1702 }
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe] jwe parents: 506 diff changeset	1703
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7065 diff changeset	1704 int npats = argc - i;
7586 84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1705 string_vector pats;
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7065 diff changeset	1706 if (npats > 0)
3248 68259f410026 [project @ 1999-07-13 03:34:54 by jwe] jwe parents: 3239 diff changeset	1707 {
7586 84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1708 pats.resize (npats);
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7065 diff changeset	1709 for (int j = 0; j < npats; j++)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1710 pats[j] = argv[i+j];
3248 68259f410026 [project @ 1999-07-13 03:34:54 by jwe] jwe parents: 3239 diff changeset	1711 }
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7065 diff changeset	1712 else
7586 84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1713 {
84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1714 pats.resize (++npats);
84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1715 pats[0] = "*";
84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1716 }
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11558 diff changeset	1717
7586 84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1718 symbol_info_list symbol_stats;
84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1719 std::list<std::string> symbol_names;
84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1720
84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1721 for (int j = 0; j < npats; j++)
84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1722 {
84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1723 std::string pat = pats[j];
84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1724
7779 791231dac333 Add regexp matching to Fwho and Fclear David Bateman <dbateman@free.fr> parents: 7761 diff changeset	1725 if (have_regexp)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1726 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1727 std::list<symbol_table::symbol_record> tmp = global_only
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1728 ? symbol_table::regexp_global_variables (pat)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1729 : symbol_table::regexp_variables (pat);
7586 84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1730
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17756 diff changeset	1731 for (std::list<symbol_table::symbol_record>::const_iterator
175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17756 diff changeset	1732 p = tmp.begin (); p != tmp.end (); p++)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1733 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1734 if (p->is_variable ())
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1735 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1736 if (verbose)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1737 symbol_stats.append (*p);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1738 else
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1739 symbol_names.push_back (p->name ());
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1740 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1741 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1742 }
7779 791231dac333 Add regexp matching to Fwho and Fclear David Bateman <dbateman@free.fr> parents: 7761 diff changeset	1743 else
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1744 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1745 size_t pos = pat.find_first_of (".({");
7779 791231dac333 Add regexp matching to Fwho and Fclear David Bateman <dbateman@free.fr> parents: 7761 diff changeset	1746
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1747 if (pos != std::string::npos && pos > 0)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1748 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1749 if (verbose)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1750 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1751 // NOTE: we can only display information for
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1752 // expressions based on global values if the variable is
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1753 // global in the current scope because we currently have
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1754 // no way of looking up the base value in the global
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1755 // scope and then evaluating the arguments in the
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1756 // current scope.
7779 791231dac333 Add regexp matching to Fwho and Fclear David Bateman <dbateman@free.fr> parents: 7761 diff changeset	1757
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1758 std::string base_name = pat.substr (0, pos);
7779 791231dac333 Add regexp matching to Fwho and Fclear David Bateman <dbateman@free.fr> parents: 7761 diff changeset	1759
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1760 if (symbol_table::is_variable (base_name))
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1761 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1762 symbol_table::symbol_record sr
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1763 = symbol_table::find_symbol (base_name);
7779 791231dac333 Add regexp matching to Fwho and Fclear David Bateman <dbateman@free.fr> parents: 7761 diff changeset	1764
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1765 if (! global_only \|\| sr.is_global ())
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1766 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1767 int parse_status;
7779 791231dac333 Add regexp matching to Fwho and Fclear David Bateman <dbateman@free.fr> parents: 7761 diff changeset	1768
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1769 octave_value expr_val
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1770 = eval_string (pat, true, parse_status);
7779 791231dac333 Add regexp matching to Fwho and Fclear David Bateman <dbateman@free.fr> parents: 7761 diff changeset	1771
20556 4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20535 diff changeset	1772 symbol_stats.append (sr, pat, expr_val);
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1773 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1774 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1775 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1776 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1777 else
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1778 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1779 std::list<symbol_table::symbol_record> tmp = global_only
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1780 ? symbol_table::glob_global_variables (pat)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1781 : symbol_table::glob_variables (pat);
7779 791231dac333 Add regexp matching to Fwho and Fclear David Bateman <dbateman@free.fr> parents: 7761 diff changeset	1782
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17756 diff changeset	1783 for (std::list<symbol_table::symbol_record>::const_iterator
175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17756 diff changeset	1784 p = tmp.begin (); p != tmp.end (); p++)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1785 {
9260 9c2349a51218 properly unmark forced variables John W. Eaton <jwe@octave.org> parents: 9250 diff changeset	1786 if (p->is_variable ())
9250 80c299c84796 don't print undefined symbols in who Jaroslav Hajek <highegg@gmail.com> parents: 9240 diff changeset	1787 {
80c299c84796 don't print undefined symbols in who Jaroslav Hajek <highegg@gmail.com> parents: 9240 diff changeset	1788 if (verbose)
80c299c84796 don't print undefined symbols in who Jaroslav Hajek <highegg@gmail.com> parents: 9240 diff changeset	1789 symbol_stats.append (*p);
80c299c84796 don't print undefined symbols in who Jaroslav Hajek <highegg@gmail.com> parents: 9240 diff changeset	1790 else
80c299c84796 don't print undefined symbols in who Jaroslav Hajek <highegg@gmail.com> parents: 9240 diff changeset	1791 symbol_names.push_back (p->name ());
80c299c84796 don't print undefined symbols in who Jaroslav Hajek <highegg@gmail.com> parents: 9240 diff changeset	1792 }
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1793 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1794 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1795 }
7586 84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1796 }
529 7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe] jwe parents: 506 diff changeset	1797
4435 dd7af4fa1942 [project @ 2003-06-23 17:52:36 by jwe] jwe parents: 4357 diff changeset	1798 if (return_list)
529 7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe] jwe parents: 506 diff changeset	1799 {
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7065 diff changeset	1800 if (verbose)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1801 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1802 std::string caller_function_name;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1803 octave_function *caller = octave_call_stack::caller ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1804 if (caller)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1805 caller_function_name = caller->name ();
7586 84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1806
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1807 retval = symbol_stats.map_value (caller_function_name, 1);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1808 }
4435 dd7af4fa1942 [project @ 2003-06-23 17:52:36 by jwe] jwe parents: 4357 diff changeset	1809 else
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1810 retval = Cell (string_vector (symbol_names));
529 7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe] jwe parents: 506 diff changeset	1811 }
7586 84122fb29c75 whos: handle index expressions John W. Eaton <jwe@octave.org> parents: 7531 diff changeset	1812 else if (! (symbol_stats.empty () && symbol_names.empty ()))
529 7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe] jwe parents: 506 diff changeset	1813 {
21885 0806871e3e1e maint: Prefer is_empty() rather than "length () == 0". Rik <rik@octave.org> parents: 21751 diff changeset	1814 if (msg.empty ())
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1815 if (global_only)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1816 octave_stdout << "Global variables:\n\n";
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1817 else
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1818 octave_stdout << "Variables in the current scope:\n\n";
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7065 diff changeset	1819 else
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1820 octave_stdout << msg;
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7065 diff changeset	1821
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7065 diff changeset	1822 if (verbose)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1823 symbol_stats.display (octave_stdout);
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7065 diff changeset	1824 else
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1825 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1826 string_vector names (symbol_names);
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7065 diff changeset	1827
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1828 names.list_in_columns (octave_stdout);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1829 }
4435 dd7af4fa1942 [project @ 2003-06-23 17:52:36 by jwe] jwe parents: 4357 diff changeset	1830
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7065 diff changeset	1831 octave_stdout << "\n";
529 7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe] jwe parents: 506 diff changeset	1832 }
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe] jwe parents: 506 diff changeset	1833
581 bc813f5eb025 [project @ 1994-08-07 01:02:15 by jwe] jwe parents: 572 diff changeset	1834 return retval;
bc813f5eb025 [project @ 1994-08-07 01:02:15 by jwe] jwe parents: 572 diff changeset	1835 }
bc813f5eb025 [project @ 1994-08-07 01:02:15 by jwe] jwe parents: 572 diff changeset	1836
8746 5dd06f19e9be handle commands in the lexer John W. Eaton <jwe@octave.org> parents: 8677 diff changeset	1837 DEFUN (who, args, nargout,
21966 112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	1838 doc: /* -- texinfo --
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	1839 @deftypefn {} {} who
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	1840 @deftypefnx {} {} who pattern @dots{}
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	1841 @deftypefnx {} {} who option pattern @dots{}
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	1842 @deftypefnx {} {C =} who ("pattern", @dots{})
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	1843 List currently defined variables matching the given patterns.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	1844
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	1845 Valid pattern syntax is the same as described for the @code{clear} command.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	1846 If no patterns are supplied, all variables are listed.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	1847
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	1848 By default, only variables visible in the local scope are displayed.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	1849
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	1850 The following are valid options, but may not be combined.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	1851
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	1852 @table @code
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	1853 @item global
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	1854 List variables in the global scope rather than the current scope.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	1855
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	1856 @item -regexp
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	1857 The patterns are considered to be regular expressions when matching the
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	1858 variables to display. The same pattern syntax accepted by the @code{regexp}
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	1859 function is used.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	1860
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	1861 @item -file
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	1862 The next argument is treated as a filename. All variables found within the
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	1863 specified file are listed. No patterns are accepted when reading variables
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	1864 from a file.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	1865 @end table
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	1866
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	1867 If called as a function, return a cell array of defined variable names
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	1868 matching the given patterns.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	1869 @seealso{whos, isglobal, isvarname, exist, regexp}
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	1870 @end deftypefn */)
581 bc813f5eb025 [project @ 1994-08-07 01:02:15 by jwe] jwe parents: 572 diff changeset	1871 {
20799 c349d4c91ce2 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20769 diff changeset	1872 int argc = args.length () + 1;
c349d4c91ce2 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20769 diff changeset	1873
c349d4c91ce2 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20769 diff changeset	1874 string_vector argv = args.make_argv ("who");
c349d4c91ce2 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20769 diff changeset	1875
c349d4c91ce2 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20769 diff changeset	1876 return do_who (argc, argv, nargout == 1);
529 7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe] jwe parents: 506 diff changeset	1877 }
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe] jwe parents: 506 diff changeset	1878
8746 5dd06f19e9be handle commands in the lexer John W. Eaton <jwe@octave.org> parents: 8677 diff changeset	1879 DEFUN (whos, args, nargout,
21966 112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	1880 doc: /* -- texinfo --
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	1881 @deftypefn {} {} whos
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	1882 @deftypefnx {} {} whos pattern @dots{}
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	1883 @deftypefnx {} {} whos option pattern @dots{}
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	1884 @deftypefnx {} {S =} whos ("pattern", @dots{})
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	1885 Provide detailed information on currently defined variables matching the
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	1886 given patterns.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	1887
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	1888 Options and pattern syntax are the same as for the @code{who} command.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	1889
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	1890 Extended information about each variable is summarized in a table with the
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	1891 following default entries.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	1892
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	1893 @table @asis
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	1894 @item Attr
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	1895 Attributes of the listed variable. Possible attributes are:
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	1896
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	1897 @table @asis
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	1898 @item blank
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	1899 Variable in local scope
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	1900
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	1901 @item @code{a}
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	1902 Automatic variable. An automatic variable is one created by the
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	1903 interpreter, for example @code{argn}.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	1904
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	1905 @item @code{c}
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	1906 Variable of complex type.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	1907
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	1908 @item @code{f}
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	1909 Formal parameter (function argument).
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	1910
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	1911 @item @code{g}
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	1912 Variable with global scope.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	1913
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	1914 @item @code{p}
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	1915 Persistent variable.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	1916 @end table
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	1917
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	1918 @item Name
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	1919 The name of the variable.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	1920
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	1921 @item Size
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	1922 The logical size of the variable. A scalar is 1x1, a vector is
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	1923 @nospell{1xN} or @nospell{Nx1}, a 2-D matrix is @nospell{MxN}.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	1924
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	1925 @item Bytes
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	1926 The amount of memory currently used to store the variable.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	1927
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	1928 @item Class
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	1929 The class of the variable. Examples include double, single, char, uint16,
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	1930 cell, and struct.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	1931 @end table
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	1932
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	1933 The table can be customized to display more or less information through
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	1934 the function @code{whos_line_format}.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	1935
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	1936 If @code{whos} is called as a function, return a struct array of defined
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	1937 variable names matching the given patterns. Fields in the structure
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	1938 describing each variable are: name, size, bytes, class, global, sparse,
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	1939 complex, nesting, persistent.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	1940 @seealso{who, whos_line_format}
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	1941 @end deftypefn */)
581 bc813f5eb025 [project @ 1994-08-07 01:02:15 by jwe] jwe parents: 572 diff changeset	1942 {
20799 c349d4c91ce2 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20769 diff changeset	1943 int argc = args.length () + 1;
c349d4c91ce2 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20769 diff changeset	1944
c349d4c91ce2 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20769 diff changeset	1945 string_vector argv = args.make_argv ("whos");
c349d4c91ce2 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20769 diff changeset	1946
c349d4c91ce2 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20769 diff changeset	1947 return do_who (argc, argv, nargout == 1, true);
581 bc813f5eb025 [project @ 1994-08-07 01:02:15 by jwe] jwe parents: 572 diff changeset	1948 }
bc813f5eb025 [project @ 1994-08-07 01:02:15 by jwe] jwe parents: 572 diff changeset	1949
593 6f948c6251a9 [project @ 1994-08-09 04:29:10 by jwe] jwe parents: 584 diff changeset	1950 // Defining variables.
6f948c6251a9 [project @ 1994-08-09 04:29:10 by jwe] jwe parents: 584 diff changeset	1951
1162 c210c5a25a48 [project @ 1995-02-27 17:36:16 by jwe] jwe parents: 1161 diff changeset	1952 void
2856 8c516da3c1f7 [project @ 1997-03-31 06:37:21 by jwe] jwe parents: 2849 diff changeset	1953 bind_ans (const octave_value& val, bool print)
1162 c210c5a25a48 [project @ 1995-02-27 17:36:16 by jwe] jwe parents: 1161 diff changeset	1954 {
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7065 diff changeset	1955 static std::string ans = "ans";
1162 c210c5a25a48 [project @ 1995-02-27 17:36:16 by jwe] jwe parents: 1161 diff changeset	1956
2978 49de01238638 [project @ 1997-05-15 21:13:42 by jwe] jwe parents: 2975 diff changeset	1957 if (val.is_defined ())
49de01238638 [project @ 1997-05-15 21:13:42 by jwe] jwe parents: 2975 diff changeset	1958 {
7531 c9a476b1e664 correctly set ans for cs-lists and simplify printing them John W. Eaton <jwe@octave.org> parents: 7347 diff changeset	1959 if (val.is_cs_list ())
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1960 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1961 octave_value_list lst = val.list_value ();
7531 c9a476b1e664 correctly set ans for cs-lists and simplify printing them John W. Eaton <jwe@octave.org> parents: 7347 diff changeset	1962
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1963 for (octave_idx_type i = 0; i < lst.length (); i++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1964 bind_ans (lst(i), print);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1965 }
7531 c9a476b1e664 correctly set ans for cs-lists and simplify printing them John W. Eaton <jwe@octave.org> parents: 7347 diff changeset	1966 else
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1967 {
16442 302157614308 deprecate symbol_table::varref functions John W. Eaton <jwe@octave.org> parents: 15807 diff changeset	1968 symbol_table::force_assign (ans, val);
7531 c9a476b1e664 correctly set ans for cs-lists and simplify printing them John W. Eaton <jwe@octave.org> parents: 7347 diff changeset	1969
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1970 if (print)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1971 val.print_with_name (octave_stdout, ans);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1972 }
2978 49de01238638 [project @ 1997-05-15 21:13:42 by jwe] jwe parents: 2975 diff changeset	1973 }
1162 c210c5a25a48 [project @ 1995-02-27 17:36:16 by jwe] jwe parents: 1161 diff changeset	1974 }
c210c5a25a48 [project @ 1995-02-27 17:36:16 by jwe] jwe parents: 1161 diff changeset	1975
593 6f948c6251a9 [project @ 1994-08-09 04:29:10 by jwe] jwe parents: 584 diff changeset	1976 void
5794 1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5791 diff changeset	1977 bind_internal_variable (const std::string& fname, const octave_value& val)
593 6f948c6251a9 [project @ 1994-08-09 04:29:10 by jwe] jwe parents: 584 diff changeset	1978 {
5794 1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5791 diff changeset	1979 octave_value_list args;
1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5791 diff changeset	1980
1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5791 diff changeset	1981 args(0) = val;
1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5791 diff changeset	1982
1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5791 diff changeset	1983 feval (fname, args, 0);
529 7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe] jwe parents: 506 diff changeset	1984 }
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe] jwe parents: 506 diff changeset	1985
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11558 diff changeset	1986 void
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7065 diff changeset	1987 mlock (void)
4319 05973ead74eb [project @ 2003-02-13 21:03:04 by jwe] jwe parents: 4280 diff changeset	1988 {
8083 16ab78b816bc variables.cc (mlock): lock current function John W. Eaton <jwe@octave.org> parents: 8021 diff changeset	1989 octave_function *fcn = octave_call_stack::current ();
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7065 diff changeset	1990
21224 2e64b5899d1f maint: invert if/else/error pattern in variables.cc Rik <rik@octave.org> parents: 21200 diff changeset	1991 if (! fcn)
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7065 diff changeset	1992 error ("mlock: invalid use outside a function");
21224 2e64b5899d1f maint: invert if/else/error pattern in variables.cc Rik <rik@octave.org> parents: 21200 diff changeset	1993
2e64b5899d1f maint: invert if/else/error pattern in variables.cc Rik <rik@octave.org> parents: 21200 diff changeset	1994 fcn->lock ();
4319 05973ead74eb [project @ 2003-02-13 21:03:04 by jwe] jwe parents: 4280 diff changeset	1995 }
05973ead74eb [project @ 2003-02-13 21:03:04 by jwe] jwe parents: 4280 diff changeset	1996
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11558 diff changeset	1997 void
4319 05973ead74eb [project @ 2003-02-13 21:03:04 by jwe] jwe parents: 4280 diff changeset	1998 munlock (const std::string& nm)
05973ead74eb [project @ 2003-02-13 21:03:04 by jwe] jwe parents: 4280 diff changeset	1999 {
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7065 diff changeset	2000 octave_value val = symbol_table::find_function (nm);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7065 diff changeset	2001
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7065 diff changeset	2002 if (val.is_defined ())
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7065 diff changeset	2003 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7065 diff changeset	2004 octave_function *fcn = val.function_value ();
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7065 diff changeset	2005
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7065 diff changeset	2006 if (fcn)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2007 fcn->unlock ();
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7065 diff changeset	2008 }
4319 05973ead74eb [project @ 2003-02-13 21:03:04 by jwe] jwe parents: 4280 diff changeset	2009 }
05973ead74eb [project @ 2003-02-13 21:03:04 by jwe] jwe parents: 4280 diff changeset	2010
05973ead74eb [project @ 2003-02-13 21:03:04 by jwe] jwe parents: 4280 diff changeset	2011 bool
05973ead74eb [project @ 2003-02-13 21:03:04 by jwe] jwe parents: 4280 diff changeset	2012 mislocked (const std::string& nm)
05973ead74eb [project @ 2003-02-13 21:03:04 by jwe] jwe parents: 4280 diff changeset	2013 {
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7065 diff changeset	2014 bool retval = false;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7065 diff changeset	2015
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7065 diff changeset	2016 octave_value val = symbol_table::find_function (nm);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7065 diff changeset	2017
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7065 diff changeset	2018 if (val.is_defined ())
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7065 diff changeset	2019 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7065 diff changeset	2020 octave_function *fcn = val.function_value ();
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7065 diff changeset	2021
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7065 diff changeset	2022 if (fcn)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2023 retval = fcn->islocked ();
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7065 diff changeset	2024 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7065 diff changeset	2025
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7065 diff changeset	2026 return retval;
4319 05973ead74eb [project @ 2003-02-13 21:03:04 by jwe] jwe parents: 4280 diff changeset	2027 }
05973ead74eb [project @ 2003-02-13 21:03:04 by jwe] jwe parents: 4280 diff changeset	2028
8746 5dd06f19e9be handle commands in the lexer John W. Eaton <jwe@octave.org> parents: 8677 diff changeset	2029 DEFUN (mlock, args, ,
21966 112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2030 doc: /* -- texinfo --
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2031 @deftypefn {} {} mlock ()
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2032 Lock the current function into memory so that it can't be cleared.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2033 @seealso{munlock, mislocked, persistent}
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2034 @end deftypefn */)
4319 05973ead74eb [project @ 2003-02-13 21:03:04 by jwe] jwe parents: 4280 diff changeset	2035 {
20799 c349d4c91ce2 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20769 diff changeset	2036 if (args.length () != 0)
c349d4c91ce2 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20769 diff changeset	2037 print_usage ();
c349d4c91ce2 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20769 diff changeset	2038
c349d4c91ce2 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20769 diff changeset	2039 octave_function *fcn = octave_call_stack::caller ();
c349d4c91ce2 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20769 diff changeset	2040
20939 b17fda023ca6 maint: Use new C++ archetype in more files. Rik <rik@octave.org> parents: 20925 diff changeset	2041 if (! fcn)
b17fda023ca6 maint: Use new C++ archetype in more files. Rik <rik@octave.org> parents: 20925 diff changeset	2042 error ("mlock: invalid use outside a function");
b17fda023ca6 maint: Use new C++ archetype in more files. Rik <rik@octave.org> parents: 20925 diff changeset	2043
20957 9db35d2042be maint: eliminate special cases of statements after error. Rik <rik@octave.org> parents: 20941 diff changeset	2044 fcn->lock ();
20939 b17fda023ca6 maint: Use new C++ archetype in more files. Rik <rik@octave.org> parents: 20925 diff changeset	2045
20941 a4f5da7c5463 maint: Replace "octave_value_list ()" with "ovl ()". Rik <rik@octave.org> parents: 20940 diff changeset	2046 return ovl ();
4319 05973ead74eb [project @ 2003-02-13 21:03:04 by jwe] jwe parents: 4280 diff changeset	2047 }
05973ead74eb [project @ 2003-02-13 21:03:04 by jwe] jwe parents: 4280 diff changeset	2048
8746 5dd06f19e9be handle commands in the lexer John W. Eaton <jwe@octave.org> parents: 8677 diff changeset	2049 DEFUN (munlock, args, ,
21966 112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2050 doc: /* -- texinfo --
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2051 @deftypefn {} {} munlock ()
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2052 @deftypefnx {} {} munlock (@var{fcn})
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2053 Unlock the named function @var{fcn}.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2054
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2055 If no function is named then unlock the current function.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2056 @seealso{mlock, mislocked, persistent}
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2057 @end deftypefn */)
4319 05973ead74eb [project @ 2003-02-13 21:03:04 by jwe] jwe parents: 4280 diff changeset	2058 {
20799 c349d4c91ce2 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20769 diff changeset	2059 int nargin = args.length ();
c349d4c91ce2 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20769 diff changeset	2060
c349d4c91ce2 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20769 diff changeset	2061 if (nargin > 1)
c349d4c91ce2 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20769 diff changeset	2062 print_usage ();
c349d4c91ce2 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20769 diff changeset	2063
c349d4c91ce2 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20769 diff changeset	2064 if (nargin == 1)
4319 05973ead74eb [project @ 2003-02-13 21:03:04 by jwe] jwe parents: 4280 diff changeset	2065 {
20700 68e3a747ca02 rename octave_value value extractors that accept error message args John W. Eaton <jwe@octave.org> parents: 20581 diff changeset	2066 std::string name = args(0).xstring_value ("munlock: FCN must be a string");
20581 fd0efcdb3718 use new string_value method to handle value extraction errors John W. Eaton <jwe@octave.org> parents: 20556 diff changeset	2067
fd0efcdb3718 use new string_value method to handle value extraction errors John W. Eaton <jwe@octave.org> parents: 20556 diff changeset	2068 munlock (name);
4319 05973ead74eb [project @ 2003-02-13 21:03:04 by jwe] jwe parents: 4280 diff changeset	2069 }
20799 c349d4c91ce2 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20769 diff changeset	2070 else
4319 05973ead74eb [project @ 2003-02-13 21:03:04 by jwe] jwe parents: 4280 diff changeset	2071 {
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7065 diff changeset	2072 octave_function *fcn = octave_call_stack::caller ();
5743 a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5685 diff changeset	2073
20939 b17fda023ca6 maint: Use new C++ archetype in more files. Rik <rik@octave.org> parents: 20925 diff changeset	2074 if (! fcn)
4319 05973ead74eb [project @ 2003-02-13 21:03:04 by jwe] jwe parents: 4280 diff changeset	2075 error ("munlock: invalid use outside a function");
20939 b17fda023ca6 maint: Use new C++ archetype in more files. Rik <rik@octave.org> parents: 20925 diff changeset	2076
b17fda023ca6 maint: Use new C++ archetype in more files. Rik <rik@octave.org> parents: 20925 diff changeset	2077 fcn->unlock ();
4319 05973ead74eb [project @ 2003-02-13 21:03:04 by jwe] jwe parents: 4280 diff changeset	2078 }
05973ead74eb [project @ 2003-02-13 21:03:04 by jwe] jwe parents: 4280 diff changeset	2079
20941 a4f5da7c5463 maint: Replace "octave_value_list ()" with "ovl ()". Rik <rik@octave.org> parents: 20940 diff changeset	2080 return ovl ();
4319 05973ead74eb [project @ 2003-02-13 21:03:04 by jwe] jwe parents: 4280 diff changeset	2081 }
05973ead74eb [project @ 2003-02-13 21:03:04 by jwe] jwe parents: 4280 diff changeset	2082
8746 5dd06f19e9be handle commands in the lexer John W. Eaton <jwe@octave.org> parents: 8677 diff changeset	2083 DEFUN (mislocked, args, ,
21966 112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2084 doc: /* -- texinfo --
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2085 @deftypefn {} {} mislocked ()
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2086 @deftypefnx {} {} mislocked (@var{fcn})
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2087 Return true if the named function @var{fcn} is locked.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2088
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2089 If no function is named then return true if the current function is locked.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2090 @seealso{mlock, munlock, persistent}
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2091 @end deftypefn */)
4319 05973ead74eb [project @ 2003-02-13 21:03:04 by jwe] jwe parents: 4280 diff changeset	2092 {
20799 c349d4c91ce2 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20769 diff changeset	2093 int nargin = args.length ();
c349d4c91ce2 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20769 diff changeset	2094
c349d4c91ce2 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20769 diff changeset	2095 if (nargin > 1)
c349d4c91ce2 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20769 diff changeset	2096 print_usage ();
c349d4c91ce2 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20769 diff changeset	2097
20939 b17fda023ca6 maint: Use new C++ archetype in more files. Rik <rik@octave.org> parents: 20925 diff changeset	2098 octave_value retval;
b17fda023ca6 maint: Use new C++ archetype in more files. Rik <rik@octave.org> parents: 20925 diff changeset	2099
20799 c349d4c91ce2 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20769 diff changeset	2100 if (nargin == 1)
4319 05973ead74eb [project @ 2003-02-13 21:03:04 by jwe] jwe parents: 4280 diff changeset	2101 {
20700 68e3a747ca02 rename octave_value value extractors that accept error message args John W. Eaton <jwe@octave.org> parents: 20581 diff changeset	2102 std::string name = args(0).xstring_value ("mislocked: FCN must be a string");
20581 fd0efcdb3718 use new string_value method to handle value extraction errors John W. Eaton <jwe@octave.org> parents: 20556 diff changeset	2103
fd0efcdb3718 use new string_value method to handle value extraction errors John W. Eaton <jwe@octave.org> parents: 20556 diff changeset	2104 retval = mislocked (name);
4319 05973ead74eb [project @ 2003-02-13 21:03:04 by jwe] jwe parents: 4280 diff changeset	2105 }
20799 c349d4c91ce2 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20769 diff changeset	2106 else
4319 05973ead74eb [project @ 2003-02-13 21:03:04 by jwe] jwe parents: 4280 diff changeset	2107 {
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7065 diff changeset	2108 octave_function *fcn = octave_call_stack::caller ();
5743 a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5685 diff changeset	2109
20939 b17fda023ca6 maint: Use new C++ archetype in more files. Rik <rik@octave.org> parents: 20925 diff changeset	2110 if (! fcn)
4319 05973ead74eb [project @ 2003-02-13 21:03:04 by jwe] jwe parents: 4280 diff changeset	2111 error ("mislocked: invalid use outside a function");
20939 b17fda023ca6 maint: Use new C++ archetype in more files. Rik <rik@octave.org> parents: 20925 diff changeset	2112
b17fda023ca6 maint: Use new C++ archetype in more files. Rik <rik@octave.org> parents: 20925 diff changeset	2113 retval = fcn->islocked ();
4319 05973ead74eb [project @ 2003-02-13 21:03:04 by jwe] jwe parents: 4280 diff changeset	2114 }
05973ead74eb [project @ 2003-02-13 21:03:04 by jwe] jwe parents: 4280 diff changeset	2115
05973ead74eb [project @ 2003-02-13 21:03:04 by jwe] jwe parents: 4280 diff changeset	2116 return retval;
05973ead74eb [project @ 2003-02-13 21:03:04 by jwe] jwe parents: 4280 diff changeset	2117 }
05973ead74eb [project @ 2003-02-13 21:03:04 by jwe] jwe parents: 4280 diff changeset	2118
593 6f948c6251a9 [project @ 1994-08-09 04:29:10 by jwe] jwe parents: 584 diff changeset	2119 // Deleting names from the symbol tables.
6f948c6251a9 [project @ 1994-08-09 04:29:10 by jwe] jwe parents: 584 diff changeset	2120
3681 df54d394acc0 [project @ 2000-06-26 17:46:58 by jwe] jwe parents: 3618 diff changeset	2121 static inline bool
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11558 diff changeset	2122 name_matches_any_pattern (const std::string& nm, const string_vector& argv,
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2123 int argc, int idx, bool have_regexp = false)
3681 df54d394acc0 [project @ 2000-06-26 17:46:58 by jwe] jwe parents: 3618 diff changeset	2124 {
df54d394acc0 [project @ 2000-06-26 17:46:58 by jwe] jwe parents: 3618 diff changeset	2125 bool retval = false;
df54d394acc0 [project @ 2000-06-26 17:46:58 by jwe] jwe parents: 3618 diff changeset	2126
df54d394acc0 [project @ 2000-06-26 17:46:58 by jwe] jwe parents: 3618 diff changeset	2127 for (int k = idx; k < argc; k++)
df54d394acc0 [project @ 2000-06-26 17:46:58 by jwe] jwe parents: 3618 diff changeset	2128 {
df54d394acc0 [project @ 2000-06-26 17:46:58 by jwe] jwe parents: 3618 diff changeset	2129 std::string patstr = argv[k];
df54d394acc0 [project @ 2000-06-26 17:46:58 by jwe] jwe parents: 3618 diff changeset	2130 if (! patstr.empty ())
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2131 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2132 if (have_regexp)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2133 {
14024 fc9f204faea0 refactor regexp (bug #34440) John W. Eaton <jwe@octave.org> parents: 13951 diff changeset	2134 if (is_regexp_match (patstr, nm))
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2135 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2136 retval = true;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2137 break;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2138 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2139 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2140 else
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2141 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2142 glob_match pattern (patstr);
7779 791231dac333 Add regexp matching to Fwho and Fclear David Bateman <dbateman@free.fr> parents: 7761 diff changeset	2143
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2144 if (pattern.match (nm))
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2145 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2146 retval = true;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2147 break;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2148 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2149 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2150 }
3681 df54d394acc0 [project @ 2000-06-26 17:46:58 by jwe] jwe parents: 3618 diff changeset	2151 }
df54d394acc0 [project @ 2000-06-26 17:46:58 by jwe] jwe parents: 3618 diff changeset	2152
df54d394acc0 [project @ 2000-06-26 17:46:58 by jwe] jwe parents: 3618 diff changeset	2153 return retval;
df54d394acc0 [project @ 2000-06-26 17:46:58 by jwe] jwe parents: 3618 diff changeset	2154 }
df54d394acc0 [project @ 2000-06-26 17:46:58 by jwe] jwe parents: 3618 diff changeset	2155
4009 27e461aed956 [project @ 2002-07-31 09:33:03 by jwe] jwe parents: 3968 diff changeset	2156 static inline void
27e461aed956 [project @ 2002-07-31 09:33:03 by jwe] jwe parents: 3968 diff changeset	2157 maybe_warn_exclusive (bool exclusive)
27e461aed956 [project @ 2002-07-31 09:33:03 by jwe] jwe parents: 3968 diff changeset	2158 {
27e461aed956 [project @ 2002-07-31 09:33:03 by jwe] jwe parents: 3968 diff changeset	2159 if (exclusive)
27e461aed956 [project @ 2002-07-31 09:33:03 by jwe] jwe parents: 3968 diff changeset	2160 warning ("clear: ignoring --exclusive option");
27e461aed956 [project @ 2002-07-31 09:33:03 by jwe] jwe parents: 3968 diff changeset	2161 }
27e461aed956 [project @ 2002-07-31 09:33:03 by jwe] jwe parents: 3968 diff changeset	2162
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7065 diff changeset	2163 static void
4009 27e461aed956 [project @ 2002-07-31 09:33:03 by jwe] jwe parents: 3968 diff changeset	2164 do_clear_functions (const string_vector& argv, int argc, int idx,
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2165 bool exclusive = false)
4009 27e461aed956 [project @ 2002-07-31 09:33:03 by jwe] jwe parents: 3968 diff changeset	2166 {
27e461aed956 [project @ 2002-07-31 09:33:03 by jwe] jwe parents: 3968 diff changeset	2167 if (idx == argc)
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7065 diff changeset	2168 symbol_table::clear_functions ();
4009 27e461aed956 [project @ 2002-07-31 09:33:03 by jwe] jwe parents: 3968 diff changeset	2169 else
27e461aed956 [project @ 2002-07-31 09:33:03 by jwe] jwe parents: 3968 diff changeset	2170 {
27e461aed956 [project @ 2002-07-31 09:33:03 by jwe] jwe parents: 3968 diff changeset	2171 if (exclusive)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2172 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2173 string_vector fcns = symbol_table::user_function_names ();
4009 27e461aed956 [project @ 2002-07-31 09:33:03 by jwe] jwe parents: 3968 diff changeset	2174
20232 a9574e3c6e9e Deprecate Array::length() and Sparse::length() in favour of ::numel(). Carnë Draug <carandraug@octave.org> parents: 20229 diff changeset	2175 int fcount = fcns.numel ();
4009 27e461aed956 [project @ 2002-07-31 09:33:03 by jwe] jwe parents: 3968 diff changeset	2176
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2177 for (int i = 0; i < fcount; i++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2178 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2179 std::string nm = fcns[i];
4009 27e461aed956 [project @ 2002-07-31 09:33:03 by jwe] jwe parents: 3968 diff changeset	2180
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2181 if (! name_matches_any_pattern (nm, argv, argc, idx))
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2182 symbol_table::clear_function (nm);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2183 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2184 }
4009 27e461aed956 [project @ 2002-07-31 09:33:03 by jwe] jwe parents: 3968 diff changeset	2185 else
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2186 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2187 while (idx < argc)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2188 symbol_table::clear_function_pattern (argv[idx++]);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2189 }
4009 27e461aed956 [project @ 2002-07-31 09:33:03 by jwe] jwe parents: 3968 diff changeset	2190 }
27e461aed956 [project @ 2002-07-31 09:33:03 by jwe] jwe parents: 3968 diff changeset	2191 }
27e461aed956 [project @ 2002-07-31 09:33:03 by jwe] jwe parents: 3968 diff changeset	2192
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7065 diff changeset	2193 static void
4009 27e461aed956 [project @ 2002-07-31 09:33:03 by jwe] jwe parents: 3968 diff changeset	2194 do_clear_globals (const string_vector& argv, int argc, int idx,
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2195 bool exclusive = false)
4009 27e461aed956 [project @ 2002-07-31 09:33:03 by jwe] jwe parents: 3968 diff changeset	2196 {
27e461aed956 [project @ 2002-07-31 09:33:03 by jwe] jwe parents: 3968 diff changeset	2197 if (idx == argc)
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7626 diff changeset	2198 {
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7626 diff changeset	2199 string_vector gvars = symbol_table::global_variable_names ();
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7626 diff changeset	2200
20232 a9574e3c6e9e Deprecate Array::length() and Sparse::length() in favour of ::numel(). Carnë Draug <carandraug@octave.org> parents: 20229 diff changeset	2201 int gcount = gvars.numel ();
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7626 diff changeset	2202
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7626 diff changeset	2203 for (int i = 0; i < gcount; i++)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2204 symbol_table::clear_global (gvars[i]);
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7626 diff changeset	2205 }
4009 27e461aed956 [project @ 2002-07-31 09:33:03 by jwe] jwe parents: 3968 diff changeset	2206 else
27e461aed956 [project @ 2002-07-31 09:33:03 by jwe] jwe parents: 3968 diff changeset	2207 {
27e461aed956 [project @ 2002-07-31 09:33:03 by jwe] jwe parents: 3968 diff changeset	2208 if (exclusive)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2209 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2210 string_vector gvars = symbol_table::global_variable_names ();
4009 27e461aed956 [project @ 2002-07-31 09:33:03 by jwe] jwe parents: 3968 diff changeset	2211
20232 a9574e3c6e9e Deprecate Array::length() and Sparse::length() in favour of ::numel(). Carnë Draug <carandraug@octave.org> parents: 20229 diff changeset	2212 int gcount = gvars.numel ();
4009 27e461aed956 [project @ 2002-07-31 09:33:03 by jwe] jwe parents: 3968 diff changeset	2213
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2214 for (int i = 0; i < gcount; i++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2215 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2216 std::string nm = gvars[i];
4009 27e461aed956 [project @ 2002-07-31 09:33:03 by jwe] jwe parents: 3968 diff changeset	2217
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2218 if (! name_matches_any_pattern (nm, argv, argc, idx))
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2219 symbol_table::clear_global (nm);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2220 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2221 }
4009 27e461aed956 [project @ 2002-07-31 09:33:03 by jwe] jwe parents: 3968 diff changeset	2222 else
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2223 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2224 while (idx < argc)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2225 symbol_table::clear_global_pattern (argv[idx++]);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2226 }
4009 27e461aed956 [project @ 2002-07-31 09:33:03 by jwe] jwe parents: 3968 diff changeset	2227 }
27e461aed956 [project @ 2002-07-31 09:33:03 by jwe] jwe parents: 3968 diff changeset	2228 }
27e461aed956 [project @ 2002-07-31 09:33:03 by jwe] jwe parents: 3968 diff changeset	2229
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7065 diff changeset	2230 static void
4009 27e461aed956 [project @ 2002-07-31 09:33:03 by jwe] jwe parents: 3968 diff changeset	2231 do_clear_variables (const string_vector& argv, int argc, int idx,
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2232 bool exclusive = false, bool have_regexp = false)
4009 27e461aed956 [project @ 2002-07-31 09:33:03 by jwe] jwe parents: 3968 diff changeset	2233 {
27e461aed956 [project @ 2002-07-31 09:33:03 by jwe] jwe parents: 3968 diff changeset	2234 if (idx == argc)
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7065 diff changeset	2235 symbol_table::clear_variables ();
4009 27e461aed956 [project @ 2002-07-31 09:33:03 by jwe] jwe parents: 3968 diff changeset	2236 else
27e461aed956 [project @ 2002-07-31 09:33:03 by jwe] jwe parents: 3968 diff changeset	2237 {
27e461aed956 [project @ 2002-07-31 09:33:03 by jwe] jwe parents: 3968 diff changeset	2238 if (exclusive)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2239 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2240 string_vector lvars = symbol_table::variable_names ();
4009 27e461aed956 [project @ 2002-07-31 09:33:03 by jwe] jwe parents: 3968 diff changeset	2241
20232 a9574e3c6e9e Deprecate Array::length() and Sparse::length() in favour of ::numel(). Carnë Draug <carandraug@octave.org> parents: 20229 diff changeset	2242 int lcount = lvars.numel ();
4009 27e461aed956 [project @ 2002-07-31 09:33:03 by jwe] jwe parents: 3968 diff changeset	2243
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2244 for (int i = 0; i < lcount; i++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2245 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2246 std::string nm = lvars[i];
4009 27e461aed956 [project @ 2002-07-31 09:33:03 by jwe] jwe parents: 3968 diff changeset	2247
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2248 if (! name_matches_any_pattern (nm, argv, argc, idx, have_regexp))
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2249 symbol_table::clear_variable (nm);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2250 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2251 }
4009 27e461aed956 [project @ 2002-07-31 09:33:03 by jwe] jwe parents: 3968 diff changeset	2252 else
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2253 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2254 if (have_regexp)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2255 while (idx < argc)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2256 symbol_table::clear_variable_regexp (argv[idx++]);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2257 else
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2258 while (idx < argc)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2259 symbol_table::clear_variable_pattern (argv[idx++]);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2260 }
4009 27e461aed956 [project @ 2002-07-31 09:33:03 by jwe] jwe parents: 3968 diff changeset	2261 }
27e461aed956 [project @ 2002-07-31 09:33:03 by jwe] jwe parents: 3968 diff changeset	2262 }
27e461aed956 [project @ 2002-07-31 09:33:03 by jwe] jwe parents: 3968 diff changeset	2263
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7065 diff changeset	2264 static void
4009 27e461aed956 [project @ 2002-07-31 09:33:03 by jwe] jwe parents: 3968 diff changeset	2265 do_clear_symbols (const string_vector& argv, int argc, int idx,
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2266 bool exclusive = false)
4009 27e461aed956 [project @ 2002-07-31 09:33:03 by jwe] jwe parents: 3968 diff changeset	2267 {
27e461aed956 [project @ 2002-07-31 09:33:03 by jwe] jwe parents: 3968 diff changeset	2268 if (idx == argc)
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7065 diff changeset	2269 symbol_table::clear_variables ();
4009 27e461aed956 [project @ 2002-07-31 09:33:03 by jwe] jwe parents: 3968 diff changeset	2270 else
27e461aed956 [project @ 2002-07-31 09:33:03 by jwe] jwe parents: 3968 diff changeset	2271 {
27e461aed956 [project @ 2002-07-31 09:33:03 by jwe] jwe parents: 3968 diff changeset	2272 if (exclusive)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2273 {
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17756 diff changeset	2274 // FIXME: is this really what we want, or do we
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2275 // somehow want to only clear the functions that are not
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2276 // shadowed by local variables? It seems that would be a
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2277 // bit harder to do.
4009 27e461aed956 [project @ 2002-07-31 09:33:03 by jwe] jwe parents: 3968 diff changeset	2278
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2279 do_clear_variables (argv, argc, idx, exclusive);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2280 do_clear_functions (argv, argc, idx, exclusive);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2281 }
4009 27e461aed956 [project @ 2002-07-31 09:33:03 by jwe] jwe parents: 3968 diff changeset	2282 else
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2283 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2284 while (idx < argc)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2285 symbol_table::clear_symbol_pattern (argv[idx++]);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2286 }
4009 27e461aed956 [project @ 2002-07-31 09:33:03 by jwe] jwe parents: 3968 diff changeset	2287 }
27e461aed956 [project @ 2002-07-31 09:33:03 by jwe] jwe parents: 3968 diff changeset	2288 }
27e461aed956 [project @ 2002-07-31 09:33:03 by jwe] jwe parents: 3968 diff changeset	2289
27e461aed956 [project @ 2002-07-31 09:33:03 by jwe] jwe parents: 3968 diff changeset	2290 static void
27e461aed956 [project @ 2002-07-31 09:33:03 by jwe] jwe parents: 3968 diff changeset	2291 do_matlab_compatible_clear (const string_vector& argv, int argc, int idx)
27e461aed956 [project @ 2002-07-31 09:33:03 by jwe] jwe parents: 3968 diff changeset	2292 {
27e461aed956 [project @ 2002-07-31 09:33:03 by jwe] jwe parents: 3968 diff changeset	2293 // This is supposed to be mostly Matlab compatible.
27e461aed956 [project @ 2002-07-31 09:33:03 by jwe] jwe parents: 3968 diff changeset	2294
27e461aed956 [project @ 2002-07-31 09:33:03 by jwe] jwe parents: 3968 diff changeset	2295 for (; idx < argc; idx++)
27e461aed956 [project @ 2002-07-31 09:33:03 by jwe] jwe parents: 3968 diff changeset	2296 {
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7065 diff changeset	2297 if (argv[idx] == "all"
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2298 && ! symbol_table::is_local_variable ("all"))
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2299 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2300 symbol_table::clear_all ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2301 }
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7065 diff changeset	2302 else if (argv[idx] == "functions"
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2303 && ! symbol_table::is_local_variable ("functions"))
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2304 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2305 do_clear_functions (argv, argc, ++idx);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2306 }
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7065 diff changeset	2307 else if (argv[idx] == "global"
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2308 && ! symbol_table::is_local_variable ("global"))
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2309 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2310 do_clear_globals (argv, argc, ++idx);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2311 }
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7065 diff changeset	2312 else if (argv[idx] == "variables"
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2313 && ! symbol_table::is_local_variable ("variables"))
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2314 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2315 symbol_table::clear_variables ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2316 }
9240 f27a8c07f0b2 clear -classes and support. Robert T. Short <octave@phaselockedsystems.com> parents: 9180 diff changeset	2317 else if (argv[idx] == "classes"
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2318 && ! symbol_table::is_local_variable ("classes"))
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2319 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2320 symbol_table::clear_objects ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2321 octave_class::clear_exemplar_map ();
18282 87381dbbe25e Clear all var, functions, globals when clearing classes (bug #41229) Rik <rik@octave.org> parents: 18110 diff changeset	2322 symbol_table::clear_all ();
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2323 }
4009 27e461aed956 [project @ 2002-07-31 09:33:03 by jwe] jwe parents: 3968 diff changeset	2324 else
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2325 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2326 symbol_table::clear_symbol_pattern (argv[idx]);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2327 }
4009 27e461aed956 [project @ 2002-07-31 09:33:03 by jwe] jwe parents: 3968 diff changeset	2328 }
27e461aed956 [project @ 2002-07-31 09:33:03 by jwe] jwe parents: 3968 diff changeset	2329 }
27e461aed956 [project @ 2002-07-31 09:33:03 by jwe] jwe parents: 3968 diff changeset	2330
27e461aed956 [project @ 2002-07-31 09:33:03 by jwe] jwe parents: 3968 diff changeset	2331 #define CLEAR_OPTION_ERROR(cond) \
27e461aed956 [project @ 2002-07-31 09:33:03 by jwe] jwe parents: 3968 diff changeset	2332 do \
27e461aed956 [project @ 2002-07-31 09:33:03 by jwe] jwe parents: 3968 diff changeset	2333 { \
27e461aed956 [project @ 2002-07-31 09:33:03 by jwe] jwe parents: 3968 diff changeset	2334 if (cond) \
20799 c349d4c91ce2 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20769 diff changeset	2335 print_usage (); \
4009 27e461aed956 [project @ 2002-07-31 09:33:03 by jwe] jwe parents: 3968 diff changeset	2336 } \
27e461aed956 [project @ 2002-07-31 09:33:03 by jwe] jwe parents: 3968 diff changeset	2337 while (0)
27e461aed956 [project @ 2002-07-31 09:33:03 by jwe] jwe parents: 3968 diff changeset	2338
8746 5dd06f19e9be handle commands in the lexer John W. Eaton <jwe@octave.org> parents: 8677 diff changeset	2339 DEFUN (clear, args, ,
21966 112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2340 doc: /* -- texinfo --
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2341 @deftypefn {} {} clear [options] pattern @dots{}
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2342 Delete the names matching the given patterns from the symbol table.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2343
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2344 The pattern may contain the following special characters:
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2345
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2346 @table @code
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2347 @item ?
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2348 Match any single character.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2349
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2350 @item *
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2351 Match zero or more characters.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2352
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2353 @item [ @var{list} ]
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2354 Match the list of characters specified by @var{list}. If the first
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2355 character is @code{!} or @code{^}, match all characters except those
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2356 specified by @var{list}. For example, the pattern @samp{[a-zA-Z]} will
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2357 match all lowercase and uppercase alphabetic characters.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2358 @end table
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2359
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2360 For example, the command
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2361
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2362 @example
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2363 clear foo b*r
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2364 @end example
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2365
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2366 @noindent
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2367 clears the name @code{foo} and all names that begin with the letter
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2368 @code{b} and end with the letter @code{r}.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2369
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2370 If @code{clear} is called without any arguments, all user-defined
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2371 variables (local and global) are cleared from the symbol table.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2372
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2373 If @code{clear} is called with at least one argument, only the visible
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2374 names matching the arguments are cleared. For example, suppose you have
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2375 defined a function @code{foo}, and then hidden it by performing the
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2376 assignment @code{foo = 2}. Executing the command @kbd{clear foo} once
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2377 will clear the variable definition and restore the definition of
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2378 @code{foo} as a function. Executing @kbd{clear foo} a second time will
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2379 clear the function definition.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2380
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2381 The following options are available in both long and short form
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2382
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2383 @table @code
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2384 @item -all, -a
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2385 Clear all local and global user-defined variables and all functions from the
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2386 symbol table.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2387
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2388 @item -exclusive, -x
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2389 Clear the variables that don't match the following pattern.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2390
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2391 @item -functions, -f
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2392 Clear the function names and the built-in symbols names.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2393
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2394 @item -global, -g
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2395 Clear global symbol names.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2396
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2397 @item -variables, -v
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2398 Clear local variable names.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2399
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2400 @item -classes, -c
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2401 Clears the class structure table and clears all objects.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2402
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2403 @item -regexp, -r
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2404 The arguments are treated as regular expressions as any variables that
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2405 match will be cleared.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2406 @end table
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2407
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2408 With the exception of @code{exclusive}, all long options can be used
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2409 without the dash as well.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2410 @seealso{who, whos, exist}
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2411 @end deftypefn */)
529 7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe] jwe parents: 506 diff changeset	2412 {
1755 3a9462b655f1 [project @ 1996-01-22 04:47:22 by jwe] jwe parents: 1742 diff changeset	2413 int argc = args.length () + 1;
593 6f948c6251a9 [project @ 1994-08-09 04:29:10 by jwe] jwe parents: 584 diff changeset	2414
1968 a2e206524aa0 [project @ 1996-02-17 02:54:24 by jwe] jwe parents: 1957 diff changeset	2415 string_vector argv = args.make_argv ("clear");
1755 3a9462b655f1 [project @ 1996-01-22 04:47:22 by jwe] jwe parents: 1742 diff changeset	2416
20556 4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20535 diff changeset	2417 if (argc == 1)
4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20535 diff changeset	2418 {
4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20535 diff changeset	2419 do_clear_globals (argv, argc, true);
4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20535 diff changeset	2420 do_clear_variables (argv, argc, true);
4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20535 diff changeset	2421
4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20535 diff changeset	2422 octave_link::clear_workspace ();
4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20535 diff changeset	2423 }
4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20535 diff changeset	2424 else
529 7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe] jwe parents: 506 diff changeset	2425 {
20556 4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20535 diff changeset	2426 int idx = 0;
4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20535 diff changeset	2427
4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20535 diff changeset	2428 bool clear_all = false;
4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20535 diff changeset	2429 bool clear_functions = false;
4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20535 diff changeset	2430 bool clear_globals = false;
4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20535 diff changeset	2431 bool clear_variables = false;
4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20535 diff changeset	2432 bool clear_objects = false;
4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20535 diff changeset	2433 bool exclusive = false;
4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20535 diff changeset	2434 bool have_regexp = false;
4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20535 diff changeset	2435 bool have_dash_option = false;
4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20535 diff changeset	2436
4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20535 diff changeset	2437 while (++idx < argc)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2438 {
20556 4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20535 diff changeset	2439 if (argv[idx] == "-all" \|\| argv[idx] == "-a")
4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20535 diff changeset	2440 {
4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20535 diff changeset	2441 CLEAR_OPTION_ERROR (have_dash_option && ! exclusive);
4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20535 diff changeset	2442
4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20535 diff changeset	2443 have_dash_option = true;
4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20535 diff changeset	2444 clear_all = true;
4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20535 diff changeset	2445 }
4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20535 diff changeset	2446 else if (argv[idx] == "-exclusive" \|\| argv[idx] == "-x")
4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20535 diff changeset	2447 {
4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20535 diff changeset	2448 have_dash_option = true;
4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20535 diff changeset	2449 exclusive = true;
4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20535 diff changeset	2450 }
4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20535 diff changeset	2451 else if (argv[idx] == "-functions" \|\| argv[idx] == "-f")
4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20535 diff changeset	2452 {
4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20535 diff changeset	2453 CLEAR_OPTION_ERROR (have_dash_option && ! exclusive);
4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20535 diff changeset	2454
4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20535 diff changeset	2455 have_dash_option = true;
4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20535 diff changeset	2456 clear_functions = true;
4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20535 diff changeset	2457 }
4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20535 diff changeset	2458 else if (argv[idx] == "-global" \|\| argv[idx] == "-g")
4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20535 diff changeset	2459 {
4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20535 diff changeset	2460 CLEAR_OPTION_ERROR (have_dash_option && ! exclusive);
4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20535 diff changeset	2461
4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20535 diff changeset	2462 have_dash_option = true;
4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20535 diff changeset	2463 clear_globals = true;
4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20535 diff changeset	2464 }
4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20535 diff changeset	2465 else if (argv[idx] == "-variables" \|\| argv[idx] == "-v")
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2466 {
20556 4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20535 diff changeset	2467 CLEAR_OPTION_ERROR (have_dash_option && ! exclusive);
4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20535 diff changeset	2468
4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20535 diff changeset	2469 have_dash_option = true;
4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20535 diff changeset	2470 clear_variables = true;
4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20535 diff changeset	2471 }
4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20535 diff changeset	2472 else if (argv[idx] == "-classes" \|\| argv[idx] == "-c")
4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20535 diff changeset	2473 {
4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20535 diff changeset	2474 CLEAR_OPTION_ERROR (have_dash_option && ! exclusive);
4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20535 diff changeset	2475
4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20535 diff changeset	2476 have_dash_option = true;
4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20535 diff changeset	2477 clear_objects = true;
4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20535 diff changeset	2478 }
4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20535 diff changeset	2479 else if (argv[idx] == "-regexp" \|\| argv[idx] == "-r")
4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20535 diff changeset	2480 {
4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20535 diff changeset	2481 CLEAR_OPTION_ERROR (have_dash_option && ! exclusive);
4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20535 diff changeset	2482
4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20535 diff changeset	2483 have_dash_option = true;
4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20535 diff changeset	2484 have_regexp = true;
4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20535 diff changeset	2485 }
4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20535 diff changeset	2486 else
4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20535 diff changeset	2487 break;
4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20535 diff changeset	2488 }
4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20535 diff changeset	2489
4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20535 diff changeset	2490 if (idx <= argc)
4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20535 diff changeset	2491 {
4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20535 diff changeset	2492 if (! have_dash_option)
20897 9aad16a799c9 maint: Replace argc variable name with nargin in C++ code. Rik <rik@octave.org> parents: 20853 diff changeset	2493 do_matlab_compatible_clear (argv, argc, idx);
20556 4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20535 diff changeset	2494 else
4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20535 diff changeset	2495 {
4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20535 diff changeset	2496 if (clear_all)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2497 {
20556 4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20535 diff changeset	2498 maybe_warn_exclusive (exclusive);
4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20535 diff changeset	2499
4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20535 diff changeset	2500 if (++idx < argc)
20897 9aad16a799c9 maint: Replace argc variable name with nargin in C++ code. Rik <rik@octave.org> parents: 20853 diff changeset	2501 warning ("clear: ignoring extra arguments after -all");
20556 4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20535 diff changeset	2502
4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20535 diff changeset	2503 symbol_table::clear_all ();
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2504 }
20556 4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20535 diff changeset	2505 else if (have_regexp)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2506 {
20556 4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20535 diff changeset	2507 do_clear_variables (argv, argc, idx, exclusive, true);
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2508 }
20556 4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20535 diff changeset	2509 else if (clear_functions)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2510 {
20556 4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20535 diff changeset	2511 do_clear_functions (argv, argc, idx, exclusive);
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2512 }
20556 4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20535 diff changeset	2513 else if (clear_globals)
4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20535 diff changeset	2514 {
4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20535 diff changeset	2515 do_clear_globals (argv, argc, idx, exclusive);
4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20535 diff changeset	2516 }
4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20535 diff changeset	2517 else if (clear_variables)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2518 {
20556 4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20535 diff changeset	2519 do_clear_variables (argv, argc, idx, exclusive);
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2520 }
20556 4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20535 diff changeset	2521 else if (clear_objects)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2522 {
20556 4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20535 diff changeset	2523 symbol_table::clear_objects ();
4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20535 diff changeset	2524 octave_class::clear_exemplar_map ();
4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20535 diff changeset	2525 symbol_table::clear_all ();
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2526 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2527 else
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2528 {
20556 4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20535 diff changeset	2529 do_clear_symbols (argv, argc, idx, exclusive);
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2530 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2531 }
20556 4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20535 diff changeset	2532
4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20535 diff changeset	2533 octave_link::set_workspace ();
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2534 }
593 6f948c6251a9 [project @ 1994-08-09 04:29:10 by jwe] jwe parents: 584 diff changeset	2535 }
6f948c6251a9 [project @ 1994-08-09 04:29:10 by jwe] jwe parents: 584 diff changeset	2536
20941 a4f5da7c5463 maint: Replace "octave_value_list ()" with "ovl ()". Rik <rik@octave.org> parents: 20940 diff changeset	2537 return ovl ();
529 7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe] jwe parents: 506 diff changeset	2538 }
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe] jwe parents: 506 diff changeset	2539
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7065 diff changeset	2540 DEFUN (whos_line_format, args, nargout,
21966 112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2541 doc: /* -- texinfo --
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2542 @deftypefn {} {@var{val} =} whos_line_format ()
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2543 @deftypefnx {} {@var{old_val} =} whos_line_format (@var{new_val})
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2544 @deftypefnx {} {} whos_line_format (@var{new_val}, "local")
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2545 Query or set the format string used by the command @code{whos}.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2546
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2547 A full format string is:
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2548 @c Set example in small font to prevent overfull line
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2549
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2550 @smallexample
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2551 %[modifier]<command>[:width[:left-min[:balance]]];
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2552 @end smallexample
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2553
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2554 The following command sequences are available:
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2555
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2556 @table @code
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2557 @item %a
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2558 Prints attributes of variables (g=global, p=persistent, f=formal parameter,
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2559 a=automatic variable).
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2560
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2561 @item %b
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2562 Prints number of bytes occupied by variables.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2563
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2564 @item %c
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2565 Prints class names of variables.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2566
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2567 @item %e
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2568 Prints elements held by variables.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2569
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2570 @item %n
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2571 Prints variable names.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2572
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2573 @item %s
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2574 Prints dimensions of variables.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2575
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2576 @item %t
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2577 Prints type names of variables.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2578 @end table
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2579
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2580 Every command may also have an alignment modifier:
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2581
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2582 @table @code
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2583 @item l
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2584 Left alignment.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2585
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2586 @item r
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2587 Right alignment (default).
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2588
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2589 @item c
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2590 Column-aligned (only applicable to command %s).
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2591 @end table
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2592
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2593 The @code{width} parameter is a positive integer specifying the minimum
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2594 number of columns used for printing. No maximum is needed as the field will
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2595 auto-expand as required.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2596
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2597 The parameters @code{left-min} and @code{balance} are only available when
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2598 the column-aligned modifier is used with the command @samp{%s}.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2599 @code{balance} specifies the column number within the field width which
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2600 will be aligned between entries. Numbering starts from 0 which indicates
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2601 the leftmost column. @code{left-min} specifies the minimum field width to
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2602 the left of the specified balance column.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2603
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2604 The default format is:
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2605
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2606 @qcode{" %a:4; %ln:6; %cs:16:6:1; %rb:12; %lc:-1;@xbackslashchar{}n"}
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2607
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2608 When called from inside a function with the @qcode{"local"} option, the
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2609 variable is changed locally for the function and any subroutines it calls.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2610 The original variable value is restored when exiting the function.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2611 @seealso{whos}
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2612 @end deftypefn */)
5794 1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5791 diff changeset	2613 {
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7065 diff changeset	2614 return SET_INTERNAL_VARIABLE (whos_line_format);
3016 f512c16826d1 [project @ 1997-06-03 03:16:13 by jwe] jwe parents: 3013 diff changeset	2615 }
10443 34e51d4e199b implement smart warnings about missing Matlab functionality Jaroslav Hajek <highegg@gmail.com> parents: 10350 diff changeset	2616
15562 8ed107220a3e maint: Rename unimplemented.m to __unimplemented__.m. Juan Pablo Carbajal <ajuanpi+dev@gmail.com> parents: 15528 diff changeset	2617 static std::string Vmissing_function_hook = "__unimplemented__";
10443 34e51d4e199b implement smart warnings about missing Matlab functionality Jaroslav Hajek <highegg@gmail.com> parents: 10350 diff changeset	2618
34e51d4e199b implement smart warnings about missing Matlab functionality Jaroslav Hajek <highegg@gmail.com> parents: 10350 diff changeset	2619 DEFUN (missing_function_hook, args, nargout,
21966 112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2620 doc: /* -- texinfo --
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2621 @deftypefn {} {@var{val} =} missing_function_hook ()
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2622 @deftypefnx {} {@var{old_val} =} missing_function_hook (@var{new_val})
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2623 @deftypefnx {} {} missing_function_hook (@var{new_val}, "local")
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2624 Query or set the internal variable that specifies the function to call when
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2625 an unknown identifier is requested.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2626
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2627 When called from inside a function with the @qcode{"local"} option, the
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2628 variable is changed locally for the function and any subroutines it calls.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2629 The original variable value is restored when exiting the function.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2630 @seealso{missing_component_hook}
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2631 @end deftypefn */)
10443 34e51d4e199b implement smart warnings about missing Matlab functionality Jaroslav Hajek <highegg@gmail.com> parents: 10350 diff changeset	2632 {
34e51d4e199b implement smart warnings about missing Matlab functionality Jaroslav Hajek <highegg@gmail.com> parents: 10350 diff changeset	2633 return SET_INTERNAL_VARIABLE (missing_function_hook);
34e51d4e199b implement smart warnings about missing Matlab functionality Jaroslav Hajek <highegg@gmail.com> parents: 10350 diff changeset	2634 }
34e51d4e199b implement smart warnings about missing Matlab functionality Jaroslav Hajek <highegg@gmail.com> parents: 10350 diff changeset	2635
34e51d4e199b implement smart warnings about missing Matlab functionality Jaroslav Hajek <highegg@gmail.com> parents: 10350 diff changeset	2636 void maybe_missing_function_hook (const std::string& name)
34e51d4e199b implement smart warnings about missing Matlab functionality Jaroslav Hajek <highegg@gmail.com> parents: 10350 diff changeset	2637 {
10444 537d9fbba9c0 don't call missing_function_hook inside try block Jaroslav Hajek <highegg@gmail.com> parents: 10443 diff changeset	2638 // Don't do this if we're handling errors.
537d9fbba9c0 don't call missing_function_hook inside try block Jaroslav Hajek <highegg@gmail.com> parents: 10443 diff changeset	2639 if (buffer_error_messages == 0 && ! Vmissing_function_hook.empty ())
10467 13c1f15c67fa guard against recursive calls of missing_function_hook Jaroslav Hajek <highegg@gmail.com> parents: 10444 diff changeset	2640 {
15528 8d2b3db8b5b0 Allow missing_function_hook to fail silently Mike Miller <mtmiller@ieee.org> parents: 15508 diff changeset	2641 octave_value val = symbol_table::find_function (Vmissing_function_hook);
8d2b3db8b5b0 Allow missing_function_hook to fail silently Mike Miller <mtmiller@ieee.org> parents: 15508 diff changeset	2642
8d2b3db8b5b0 Allow missing_function_hook to fail silently Mike Miller <mtmiller@ieee.org> parents: 15508 diff changeset	2643 if (val.is_defined ())
8d2b3db8b5b0 Allow missing_function_hook to fail silently Mike Miller <mtmiller@ieee.org> parents: 15508 diff changeset	2644 {
8d2b3db8b5b0 Allow missing_function_hook to fail silently Mike Miller <mtmiller@ieee.org> parents: 15508 diff changeset	2645 // Ensure auto-restoration.
21743 f4d7d0eb5b0c use namespace for unwind_protect class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	2646 octave::unwind_protect frame;
15528 8d2b3db8b5b0 Allow missing_function_hook to fail silently Mike Miller <mtmiller@ieee.org> parents: 15508 diff changeset	2647 frame.protect_var (Vmissing_function_hook);
8d2b3db8b5b0 Allow missing_function_hook to fail silently Mike Miller <mtmiller@ieee.org> parents: 15508 diff changeset	2648
8d2b3db8b5b0 Allow missing_function_hook to fail silently Mike Miller <mtmiller@ieee.org> parents: 15508 diff changeset	2649 // Clear the variable prior to calling the function.
8d2b3db8b5b0 Allow missing_function_hook to fail silently Mike Miller <mtmiller@ieee.org> parents: 15508 diff changeset	2650 const std::string func_name = Vmissing_function_hook;
8d2b3db8b5b0 Allow missing_function_hook to fail silently Mike Miller <mtmiller@ieee.org> parents: 15508 diff changeset	2651 Vmissing_function_hook.clear ();
8d2b3db8b5b0 Allow missing_function_hook to fail silently Mike Miller <mtmiller@ieee.org> parents: 15508 diff changeset	2652
8d2b3db8b5b0 Allow missing_function_hook to fail silently Mike Miller <mtmiller@ieee.org> parents: 15508 diff changeset	2653 // Call.
8d2b3db8b5b0 Allow missing_function_hook to fail silently Mike Miller <mtmiller@ieee.org> parents: 15508 diff changeset	2654 feval (func_name, octave_value (name));
8d2b3db8b5b0 Allow missing_function_hook to fail silently Mike Miller <mtmiller@ieee.org> parents: 15508 diff changeset	2655 }
10467 13c1f15c67fa guard against recursive calls of missing_function_hook Jaroslav Hajek <highegg@gmail.com> parents: 10444 diff changeset	2656 }
10443 34e51d4e199b implement smart warnings about missing Matlab functionality Jaroslav Hajek <highegg@gmail.com> parents: 10350 diff changeset	2657 }
11558 1e4dfc7a9487 use .argn. to store argument names for inputname function John W. Eaton <jwe@octave.org> parents: 11556 diff changeset	2658
1e4dfc7a9487 use .argn. to store argument names for inputname function John W. Eaton <jwe@octave.org> parents: 11556 diff changeset	2659 DEFUN (__varval__, args, ,
21966 112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2660 doc: /* -- texinfo --
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2661 @deftypefn {} {} __varval__ (@var{name})
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2662 Return the value of the variable @var{name} directly from the symbol table.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2663 @end deftypefn */)
11558 1e4dfc7a9487 use .argn. to store argument names for inputname function John W. Eaton <jwe@octave.org> parents: 11556 diff changeset	2664 {
20760 15eefcabcb31 doc: Add docstring for internal function __varval__. Rik <rik@octave.org> parents: 20756 diff changeset	2665 if (args.length () != 1)
11558 1e4dfc7a9487 use .argn. to store argument names for inputname function John W. Eaton <jwe@octave.org> parents: 11556 diff changeset	2666 print_usage ();
1e4dfc7a9487 use .argn. to store argument names for inputname function John W. Eaton <jwe@octave.org> parents: 11556 diff changeset	2667
20760 15eefcabcb31 doc: Add docstring for internal function __varval__. Rik <rik@octave.org> parents: 20756 diff changeset	2668 std::string name = args(0).xstring_value ("__varval__: first argument must be a variable name");
15eefcabcb31 doc: Add docstring for internal function __varval__. Rik <rik@octave.org> parents: 20756 diff changeset	2669
20799 c349d4c91ce2 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20769 diff changeset	2670 return symbol_table::varval (args(0).string_value ());
11558 1e4dfc7a9487 use .argn. to store argument names for inputname function John W. Eaton <jwe@octave.org> parents: 11556 diff changeset	2671 }
17516 21656a949661 Add hook function to handle missing Octave components Mike Miller <mtmiller@ieee.org> parents: 17355 diff changeset	2672
21656a949661 Add hook function to handle missing Octave components Mike Miller <mtmiller@ieee.org> parents: 17355 diff changeset	2673 static std::string Vmissing_component_hook;
21656a949661 Add hook function to handle missing Octave components Mike Miller <mtmiller@ieee.org> parents: 17355 diff changeset	2674
21656a949661 Add hook function to handle missing Octave components Mike Miller <mtmiller@ieee.org> parents: 17355 diff changeset	2675 DEFUN (missing_component_hook, args, nargout,
21966 112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2676 doc: /* -- texinfo --
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2677 @deftypefn {} {@var{val} =} missing_component_hook ()
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2678 @deftypefnx {} {@var{old_val} =} missing_component_hook (@var{new_val})
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2679 @deftypefnx {} {} missing_component_hook (@var{new_val}, "local")
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2680 Query or set the internal variable that specifies the function to call when
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2681 a component of Octave is missing.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2682
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2683 This can be useful for packagers that may split the Octave installation into
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2684 multiple sub-packages, for example, to provide a hint to users for how to
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2685 install the missing components.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2686
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2687 When called from inside a function with the @qcode{"local"} option, the
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2688 variable is changed locally for the function and any subroutines it calls.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2689 The original variable value is restored when exiting the function.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2690
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2691 The hook function is expected to be of the form
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2692
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2693 @example
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2694 @var{fcn} (@var{component})
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2695 @end example
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2696
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2697 Octave will call @var{fcn} with the name of the function that requires the
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2698 component and a string describing the missing component. The hook function
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2699 should return an error message to be displayed.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2700 @seealso{missing_function_hook}
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	2701 @end deftypefn */)
17516 21656a949661 Add hook function to handle missing Octave components Mike Miller <mtmiller@ieee.org> parents: 17355 diff changeset	2702 {
21656a949661 Add hook function to handle missing Octave components Mike Miller <mtmiller@ieee.org> parents: 17355 diff changeset	2703 return SET_INTERNAL_VARIABLE (missing_component_hook);
21656a949661 Add hook function to handle missing Octave components Mike Miller <mtmiller@ieee.org> parents: 17355 diff changeset	2704 }

Mercurial > octave

annotate libinterp/corefcn/variables.cc @ 22091:0f6fc2ec3b1a