annotate libinterp/corefcn/variables.cc @ 27263:99aa1bcb8848

rename octave_link and octave_link_events classes, move inside octave namespace * event-manager.h, event-manager.cc: Rename from octave-link.h and octave-link.cc. (class event_manager): Rename from octave_link. Move inside octave namespace. Change all uses. (class interpreter_events): Rename from octave_link_events. Move inside octave namespace. Change all uses. * libinterp/corefcn/module.mk: Update. * qt-interpreter-events.h, qt-interpreter-events.cc: Rename from octave-qt-link.h and octave-qt-link.cc. (class qt_interpreter_events): Rename from octave_qt_link_events Change all uses. * libgui/src/module.mk: Update. Change all interpreter functions that uses octave_link in their names to use event_manager instead.
author John W. Eaton <jwe@octave.org>
date Thu, 18 Jul 2019 11:23:22 -0400
parents dccdc3b001a2
children 682695bd0e98
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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
26376
00f796120a6d maint: Update copyright dates in all source files.
John W. Eaton <jwe@octave.org>
parents: 26372
diff changeset
3 Copyright (C) 1993-2019 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
24534
194eb4bd202b maint: Update punctuation for GPL v3 license text.
Rik <rik@octave.org>
parents: 24485
diff changeset
8 Octave is free software: you can redistribute it and/or modify it
22755
3a2b891d0b33 maint: Standardize Copyright formatting.
Rik <rik@octave.org>
parents: 22407
diff changeset
9 under the terms of the GNU General Public License as published by
24534
194eb4bd202b maint: Update punctuation for GPL v3 license text.
Rik <rik@octave.org>
parents: 24485
diff changeset
10 the Free Software Foundation, either version 3 of the License, or
22755
3a2b891d0b33 maint: Standardize Copyright formatting.
Rik <rik@octave.org>
parents: 22407
diff changeset
11 (at your option) any later version.
3a2b891d0b33 maint: Standardize Copyright formatting.
Rik <rik@octave.org>
parents: 22407
diff changeset
12
3a2b891d0b33 maint: Standardize Copyright formatting.
Rik <rik@octave.org>
parents: 22407
diff changeset
13 Octave is distributed in the hope that it will be useful, but
3a2b891d0b33 maint: Standardize Copyright formatting.
Rik <rik@octave.org>
parents: 22407
diff changeset
14 WITHOUT ANY WARRANTY; without even the implied warranty of
3a2b891d0b33 maint: Standardize Copyright formatting.
Rik <rik@octave.org>
parents: 22407
diff changeset
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
3a2b891d0b33 maint: Standardize Copyright formatting.
Rik <rik@octave.org>
parents: 22407
diff changeset
16 GNU General Public License for more details.
1
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
24534
194eb4bd202b maint: Update punctuation for GPL v3 license text.
Rik <rik@octave.org>
parents: 24485
diff changeset
20 <https://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>
26661
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents: 26446
diff changeset
32 #include <list>
4207
fa3482b34599 [project @ 2002-12-03 18:22:05 by jwe]
jwe
parents: 4179
diff changeset
33 #include <set>
1728
42b4f904f1af [project @ 1996-01-09 11:36:01 by jwe]
jwe
parents: 1719
diff changeset
34 #include <string>
42b4f904f1af [project @ 1996-01-09 11:36:01 by jwe]
jwe
parents: 1719
diff changeset
35
2926
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe]
jwe
parents: 2921
diff changeset
36 #include "file-stat.h"
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe]
jwe
parents: 2921
diff changeset
37 #include "oct-env.h"
4604
cba347c642e2 [project @ 2003-11-13 04:38:05 by jwe]
jwe
parents: 4587
diff changeset
38 #include "file-ops.h"
2926
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe]
jwe
parents: 2921
diff changeset
39 #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
40 #include "lo-regexp.h"
1755
3a9462b655f1 [project @ 1996-01-22 04:47:22 by jwe]
jwe
parents: 1742
diff changeset
41 #include "str-vec.h"
3a9462b655f1 [project @ 1996-01-22 04:47:22 by jwe]
jwe
parents: 1742
diff changeset
42
4435
dd7af4fa1942 [project @ 2003-06-23 17:52:36 by jwe]
jwe
parents: 4357
diff changeset
43 #include "Cell.h"
1352
19c10b8657d5 [project @ 1995-09-05 08:11:57 by jwe]
jwe
parents: 1350
diff changeset
44 #include "defun.h"
19c10b8657d5 [project @ 1995-09-05 08:11:57 by jwe]
jwe
parents: 1350
diff changeset
45 #include "dirfns.h"
19c10b8657d5 [project @ 1995-09-05 08:11:57 by jwe]
jwe
parents: 1350
diff changeset
46 #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
47 #include "errwarn.h"
27263
99aa1bcb8848 rename octave_link and octave_link_events classes, move inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 27261
diff changeset
48 #include "event-manager.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"
23438
d24d01273bd0 eliminate load-path singleton
John W. Eaton <jwe@octave.org>
parents: 23332
diff changeset
51 #include "interpreter-private.h"
22094
9203833cab7d move new interpreter class to separate file
John W. Eaton <jwe@octave.org>
parents: 22091
diff changeset
52 #include "interpreter.h"
1352
19c10b8657d5 [project @ 1995-09-05 08:11:57 by jwe]
jwe
parents: 1350
diff changeset
53 #include "lex.h"
5832
5e41e06f6a78 [project @ 2006-05-26 21:41:32 by jwe]
jwe
parents: 5823
diff changeset
54 #include "load-path.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
55 #include "octave-preserve-stream-state.h"
2926
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe]
jwe
parents: 2921
diff changeset
56 #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
57 #include "ovl.h"
2926
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe]
jwe
parents: 2921
diff changeset
58 #include "ov.h"
9240
f27a8c07f0b2 clear -classes and support.
Robert T. Short <octave@phaselockedsystems.com>
parents: 9180
diff changeset
59 #include "ov-class.h"
3933
f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe]
jwe
parents: 3681
diff changeset
60 #include "ov-usr-fcn.h"
605
4f65175911a6 [project @ 1994-08-13 20:10:39 by jwe]
jwe
parents: 598
diff changeset
61 #include "pager.h"
1352
19c10b8657d5 [project @ 1995-09-05 08:11:57 by jwe]
jwe
parents: 1350
diff changeset
62 #include "parse.h"
27016
9b261300a001 move file-scope static autoload map variable and functions to evaluator
John W. Eaton <jwe@octave.org>
parents: 26843
diff changeset
63 #include "pt-eval.h"
26088
2b92498c111e move symbol_info and symbol_info_list classes to separate file
John W. Eaton <jwe@octave.org>
parents: 26087
diff changeset
64 #include "syminfo.h"
2926
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe]
jwe
parents: 2921
diff changeset
65 #include "symtab.h"
26843
f07542e3a9b9 Fix "exist" for drive letters and UNC shares on Windows (bug #55824).
Markus Mützel <markus.muetzel@gmx.de>
parents: 26687
diff changeset
66 #include "sysdep.h"
1352
19c10b8657d5 [project @ 1995-09-05 08:11:57 by jwe]
jwe
parents: 1350
diff changeset
67 #include "unwind-prot.h"
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
68 #include "utils.h"
1352
19c10b8657d5 [project @ 1995-09-05 08:11:57 by jwe]
jwe
parents: 1350
diff changeset
69 #include "variables.h"
2205
bd389b53befa [project @ 1996-05-15 06:15:45 by jwe]
jwe
parents: 2181
diff changeset
70
593
6f948c6251a9 [project @ 1994-08-09 04:29:10 by jwe]
jwe
parents: 584
diff changeset
71 // Attributes of variables and functions.
6f948c6251a9 [project @ 1994-08-09 04:29:10 by jwe]
jwe
parents: 584
diff changeset
72
2086
bfb775fb6fe8 [project @ 1996-04-25 05:55:19 by jwe]
jwe
parents: 2076
diff changeset
73 // Is this octave_value a valid function?
593
6f948c6251a9 [project @ 1994-08-09 04:29:10 by jwe]
jwe
parents: 584
diff changeset
74
2975
b9c107cbe388 [project @ 1997-05-15 20:01:00 by jwe]
jwe
parents: 2963
diff changeset
75 octave_function *
4345
4e23bfdd6172 [project @ 2003-02-20 20:45:49 by jwe]
jwe
parents: 4342
diff changeset
76 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
77 const std::string& warn_for, bool warn)
593
6f948c6251a9 [project @ 1994-08-09 04:29:10 by jwe]
jwe
parents: 584
diff changeset
78 {
23457
21baad6b35c4 maint: Use C++11 nullptr rather than 0 or NULL when possible.
Rik <rik@octave.org>
parents: 23450
diff changeset
79 octave_function *ans = nullptr;
593
6f948c6251a9 [project @ 1994-08-09 04:29:10 by jwe]
jwe
parents: 584
diff changeset
80
1755
3a9462b655f1 [project @ 1996-01-22 04:47:22 by jwe]
jwe
parents: 1742
diff changeset
81 if (! fcn_name.empty ())
3618
8cea69ad95ae [project @ 2000-03-22 20:51:45 by jwe]
jwe
parents: 3565
diff changeset
82 {
23701
a6e49930ddd2 avoid some global access to interpreter and symbol table
John W. Eaton <jwe@octave.org>
parents: 23699
diff changeset
83 octave::symbol_table& symtab
a6e49930ddd2 avoid some global access to interpreter and symbol table
John W. Eaton <jwe@octave.org>
parents: 23699
diff changeset
84 = octave::__get_symbol_table__ ("is_valid_function");
23599
5cb3a2bb5e1e don't use singleton for symbol_table
John W. Eaton <jwe@octave.org>
parents: 23587
diff changeset
85
5cb3a2bb5e1e don't use singleton for symbol_table
John W. Eaton <jwe@octave.org>
parents: 23587
diff changeset
86 octave_value val = symtab.find_function (fcn_name);
7336
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe]
jwe
parents: 7065
diff changeset
87
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe]
jwe
parents: 7065
diff changeset
88 if (val.is_defined ())
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
89 ans = val.function_value (true);
3618
8cea69ad95ae [project @ 2000-03-22 20:51:45 by jwe]
jwe
parents: 3565
diff changeset
90 }
593
6f948c6251a9 [project @ 1994-08-09 04:29:10 by jwe]
jwe
parents: 584
diff changeset
91
21224
2e64b5899d1f maint: invert if/else/error pattern in variables.cc
Rik <rik@octave.org>
parents: 21200
diff changeset
92 // 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
93 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
94 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
95 warn_for.c_str (), fcn_name.c_str ());
593
6f948c6251a9 [project @ 1994-08-09 04:29:10 by jwe]
jwe
parents: 584
diff changeset
96
6f948c6251a9 [project @ 1994-08-09 04:29:10 by jwe]
jwe
parents: 584
diff changeset
97 return ans;
6f948c6251a9 [project @ 1994-08-09 04:29:10 by jwe]
jwe
parents: 584
diff changeset
98 }
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 octave_value& arg,
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)
3178
09a3064a3a17 [project @ 1998-06-23 03:46:42 by jwe]
jwe
parents: 3165
diff changeset
103 {
23457
21baad6b35c4 maint: Use C++11 nullptr rather than 0 or NULL when possible.
Rik <rik@octave.org>
parents: 23450
diff changeset
104 octave_function *ans = nullptr;
3178
09a3064a3a17 [project @ 1998-06-23 03:46:42 by jwe]
jwe
parents: 3165
diff changeset
105
3523
b80bbb43a1a9 [project @ 2000-02-02 10:25:52 by jwe]
jwe
parents: 3476
diff changeset
106 std::string fcn_name;
3178
09a3064a3a17 [project @ 1998-06-23 03:46:42 by jwe]
jwe
parents: 3165
diff changeset
107
09a3064a3a17 [project @ 1998-06-23 03:46:42 by jwe]
jwe
parents: 3165
diff changeset
108 if (arg.is_string ())
4700
ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe]
jwe
parents: 4604
diff changeset
109 {
ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe]
jwe
parents: 4604
diff changeset
110 fcn_name = arg.string_value ();
3178
09a3064a3a17 [project @ 1998-06-23 03:46:42 by jwe]
jwe
parents: 3165
diff changeset
111
19743
67f2c76f9f4d Remove unnecessary checking of error_state after is_string validation.
Rik <rik@octave.org>
parents: 19718
diff changeset
112 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
113 }
3178
09a3064a3a17 [project @ 1998-06-23 03:46:42 by jwe]
jwe
parents: 3165
diff changeset
114 else if (warn)
21224
2e64b5899d1f maint: invert if/else/error pattern in variables.cc
Rik <rik@octave.org>
parents: 21200
diff changeset
115 // FIXME: Should this be "err" and "error_for", rather than warn?
22407
34ce5be04942 maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents: 22333
diff changeset
116 error ("%s: argument must be a string containing function name",
34ce5be04942 maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents: 22333
diff changeset
117 warn_for.c_str ());
3178
09a3064a3a17 [project @ 1998-06-23 03:46:42 by jwe]
jwe
parents: 3165
diff changeset
118
09a3064a3a17 [project @ 1998-06-23 03:46:42 by jwe]
jwe
parents: 3165
diff changeset
119 return ans;
09a3064a3a17 [project @ 1998-06-23 03:46:42 by jwe]
jwe
parents: 3165
diff changeset
120 }
09a3064a3a17 [project @ 1998-06-23 03:46:42 by jwe]
jwe
parents: 3165
diff changeset
121
09a3064a3a17 [project @ 1998-06-23 03:46:42 by jwe]
jwe
parents: 3165
diff changeset
122 octave_function *
3523
b80bbb43a1a9 [project @ 2000-02-02 10:25:52 by jwe]
jwe
parents: 3476
diff changeset
123 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
124 const std::string& fname, const std::string& header,
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
125 const std::string& trailer)
2796
74bc1ede3c3d [project @ 1997-03-07 06:55:47 by jwe]
jwe
parents: 2790
diff changeset
126 {
26434
fad593da4b57 variables.cc: Fix static analyzer detected issues (bug #55347).
Rik <rik@octave.org>
parents: 26376
diff changeset
127 octave_function *retval = is_valid_function (arg, warn_for, 0);
2796
74bc1ede3c3d [project @ 1997-03-07 06:55:47 by jwe]
jwe
parents: 2790
diff changeset
128
74bc1ede3c3d [project @ 1997-03-07 06:55:47 by jwe]
jwe
parents: 2790
diff changeset
129 if (! retval)
74bc1ede3c3d [project @ 1997-03-07 06:55:47 by jwe]
jwe
parents: 2790
diff changeset
130 {
24218
3d26a174e143 * variables.cc (extract_function): Omit 'first' from error message.
John W. Eaton <jwe@octave.org>
parents: 24070
diff changeset
131 std::string s = arg.xstring_value ("%s: argument must be a string",
20711
7b608fadc663 Make error messages more specific about the variable and problem encountered.
Rik <rik@octave.org>
parents: 20704
diff changeset
132 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
133
fd0efcdb3718 use new string_value method to handle value extraction errors
John W. Eaton <jwe@octave.org>
parents: 20556
diff changeset
134 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
135 cmd.append (s);
fd0efcdb3718 use new string_value method to handle value extraction errors
John W. Eaton <jwe@octave.org>
parents: 20556
diff changeset
136 cmd.append (trailer);
fd0efcdb3718 use new string_value method to handle value extraction errors
John W. Eaton <jwe@octave.org>
parents: 20556
diff changeset
137
fd0efcdb3718 use new string_value method to handle value extraction errors
John W. Eaton <jwe@octave.org>
parents: 20556
diff changeset
138 int parse_status;
fd0efcdb3718 use new string_value method to handle value extraction errors
John W. Eaton <jwe@octave.org>
parents: 20556
diff changeset
139
26113
8a15f3bace49 move eval_string inside interpreter/evaluator class
John W. Eaton <jwe@octave.org>
parents: 26107
diff changeset
140 octave::interpreter& interp
8a15f3bace49 move eval_string inside interpreter/evaluator class
John W. Eaton <jwe@octave.org>
parents: 26107
diff changeset
141 = octave::__get_interpreter__ ("extract_function");
8a15f3bace49 move eval_string inside interpreter/evaluator class
John W. Eaton <jwe@octave.org>
parents: 26107
diff changeset
142
8a15f3bace49 move eval_string inside interpreter/evaluator class
John W. Eaton <jwe@octave.org>
parents: 26107
diff changeset
143 interp.eval_string (cmd, true, 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
144
21224
2e64b5899d1f maint: invert if/else/error pattern in variables.cc
Rik <rik@octave.org>
parents: 21200
diff changeset
145 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
146 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
147 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
148
2e64b5899d1f maint: invert if/else/error pattern in variables.cc
Rik <rik@octave.org>
parents: 21200
diff changeset
149 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
150
2e64b5899d1f maint: invert if/else/error pattern in variables.cc
Rik <rik@octave.org>
parents: 21200
diff changeset
151 if (! retval)
2e64b5899d1f maint: invert if/else/error pattern in variables.cc
Rik <rik@octave.org>
parents: 21200
diff changeset
152 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
153 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
154
2e64b5899d1f maint: invert if/else/error pattern in variables.cc
Rik <rik@octave.org>
parents: 21200
diff changeset
155 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
156 warn_for.c_str ());
2796
74bc1ede3c3d [project @ 1997-03-07 06:55:47 by jwe]
jwe
parents: 2790
diff changeset
157 }
74bc1ede3c3d [project @ 1997-03-07 06:55:47 by jwe]
jwe
parents: 2790
diff changeset
158
74bc1ede3c3d [project @ 1997-03-07 06:55:47 by jwe]
jwe
parents: 2790
diff changeset
159 return retval;
74bc1ede3c3d [project @ 1997-03-07 06:55:47 by jwe]
jwe
parents: 2790
diff changeset
160 }
74bc1ede3c3d [project @ 1997-03-07 06:55:47 by jwe]
jwe
parents: 2790
diff changeset
161
23701
a6e49930ddd2 avoid some global access to interpreter and symbol table
John W. Eaton <jwe@octave.org>
parents: 23699
diff changeset
162 DEFMETHOD (isglobal, interp, args, ,
a6e49930ddd2 avoid some global access to interpreter and symbol table
John W. Eaton <jwe@octave.org>
parents: 23699
diff changeset
163 doc: /* -*- texinfo -*-
21966
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21885
diff changeset
164 @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
165 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
166
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21885
diff changeset
167 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
168
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21885
diff changeset
169 @example
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21885
diff changeset
170 @group
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21885
diff changeset
171 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
172 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
173 @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
174 @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
175 @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
176 @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
177 @end deftypefn */)
5930
a703198cb8b8 [project @ 2006-08-15 06:06:15 by jwe]
jwe
parents: 5929
diff changeset
178 {
26661
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents: 26446
diff changeset
179 if (args.length () != 1)
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents: 26446
diff changeset
180 print_usage ();
23701
a6e49930ddd2 avoid some global access to interpreter and symbol table
John W. Eaton <jwe@octave.org>
parents: 23699
diff changeset
181
26661
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents: 26446
diff changeset
182 std::string name = args(0).xstring_value ("isglobal: NAME must be a string");
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents: 26446
diff changeset
183
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents: 26446
diff changeset
184 return ovl (interp.isglobal (name));
5930
a703198cb8b8 [project @ 2006-08-15 06:06:15 by jwe]
jwe
parents: 5929
diff changeset
185 }
a703198cb8b8 [project @ 2006-08-15 06:06:15 by jwe]
jwe
parents: 5929
diff changeset
186
21389
64efef931bd0 Add BIST tests for bitpack, bitunpack, isglobal, and typecast
Mike Miller <mtmiller@octave.org>
parents: 21317
diff changeset
187 /*
64efef931bd0 Add BIST tests for bitpack, bitunpack, isglobal, and typecast
Mike Miller <mtmiller@octave.org>
parents: 21317
diff changeset
188 %!test
64efef931bd0 Add BIST tests for bitpack, bitunpack, isglobal, and typecast
Mike Miller <mtmiller@octave.org>
parents: 21317
diff changeset
189 %! global x;
21580
ecce63c99c3f maint: Add semicolons to terminate code in %! blocks.
Rik <rik@octave.org>
parents: 21568
diff changeset
190 %! assert (isglobal ("x"), true);
25762
97ea2329d5d8 Use nested functions to prevent leaking globals in BIST tests.
Rik <rik@octave.org>
parents: 25646
diff changeset
191 %! clear -global x; # cleanup after test
21389
64efef931bd0 Add BIST tests for bitpack, bitunpack, isglobal, and typecast
Mike Miller <mtmiller@octave.org>
parents: 21317
diff changeset
192
64efef931bd0 Add BIST tests for bitpack, bitunpack, isglobal, and typecast
Mike Miller <mtmiller@octave.org>
parents: 21317
diff changeset
193 %!error isglobal ()
64efef931bd0 Add BIST tests for bitpack, bitunpack, isglobal, and typecast
Mike Miller <mtmiller@octave.org>
parents: 21317
diff changeset
194 %!error isglobal ("a", "b")
64efef931bd0 Add BIST tests for bitpack, bitunpack, isglobal, and typecast
Mike Miller <mtmiller@octave.org>
parents: 21317
diff changeset
195 %!error isglobal (1)
64efef931bd0 Add BIST tests for bitpack, bitunpack, isglobal, and typecast
Mike Miller <mtmiller@octave.org>
parents: 21317
diff changeset
196 */
64efef931bd0 Add BIST tests for bitpack, bitunpack, isglobal, and typecast
Mike Miller <mtmiller@octave.org>
parents: 21317
diff changeset
197
23143
898c33f4b9c0 declare some functions that are only used once "static"
John W. Eaton <jwe@octave.org>
parents: 23110
diff changeset
198 static int
23701
a6e49930ddd2 avoid some global access to interpreter and symbol table
John W. Eaton <jwe@octave.org>
parents: 23699
diff changeset
199 symbol_exist (octave::interpreter& interp, const std::string& name,
a6e49930ddd2 avoid some global access to interpreter and symbol table
John W. Eaton <jwe@octave.org>
parents: 23699
diff changeset
200 const std::string& type = "any")
593
6f948c6251a9 [project @ 1994-08-09 04:29:10 by jwe]
jwe
parents: 584
diff changeset
201 {
26059
da2bbcf1fbcd Deprecate C++ function is_keyword in favor of iskeyword for readability.
Rik <rik@octave.org>
parents: 25952
diff changeset
202 if (octave::iskeyword (name))
17963
2ca3a2f46d93 improve performance of exist when searching for specific items
John W. Eaton <jwe@octave.org>
parents: 17861
diff changeset
203 return 0;
2ca3a2f46d93 improve performance of exist when searching for specific items
John W. Eaton <jwe@octave.org>
parents: 17861
diff changeset
204
2ca3a2f46d93 improve performance of exist when searching for specific items
John W. Eaton <jwe@octave.org>
parents: 17861
diff changeset
205 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
206 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
207 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
208 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
209 bool search_builtin = type == "builtin";
20206
3c8260fd0837 Validate second option to exist () (bug #42618).
Rik <rik@octave.org>
parents: 20181
diff changeset
210 bool search_class = type == "class";
3c8260fd0837 Validate second option to exist () (bug #42618).
Rik <rik@octave.org>
parents: 20181
diff changeset
211
25951
7a507e71d922 style fixes
John W. Eaton <jwe@octave.org>
parents: 25463
diff changeset
212 if (! (search_any || search_var || search_dir || search_file
7a507e71d922 style fixes
John W. Eaton <jwe@octave.org>
parents: 25463
diff changeset
213 || search_builtin || search_class))
23803
90689bdbe048 Use C++11 raw string literals to avoid escaping double quotes.
Rik <rik@octave.org>
parents: 23795
diff changeset
214 error (R"(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
215
23701
a6e49930ddd2 avoid some global access to interpreter and symbol table
John W. Eaton <jwe@octave.org>
parents: 23699
diff changeset
216 octave::symbol_table& symtab = interp.get_symbol_table ();
23599
5cb3a2bb5e1e don't use singleton for symbol_table
John W. Eaton <jwe@octave.org>
parents: 23587
diff changeset
217
17963
2ca3a2f46d93 improve performance of exist when searching for specific items
John W. Eaton <jwe@octave.org>
parents: 17861
diff changeset
218 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
219 {
26661
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents: 26446
diff changeset
220 octave_value val = interp.varval (name);
17963
2ca3a2f46d93 improve performance of exist when searching for specific items
John W. Eaton <jwe@octave.org>
parents: 17861
diff changeset
221
23587
0c468af9dc00 maint: Deprecate is_object and replace with isobject.
Rik <rik@octave.org>
parents: 23584
diff changeset
222 if (val.is_constant () || val.isobject ()
18856
de8c67ba7ac4 Use Matlab return hierarchy for exist() codes when no type is specified.
Rik <rik@octave.org>
parents: 18282
diff changeset
223 || 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
224 || 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
225 || 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
226 return 1;
2ca3a2f46d93 improve performance of exist when searching for specific items
John W. Eaton <jwe@octave.org>
parents: 17861
diff changeset
227
2ca3a2f46d93 improve performance of exist when searching for specific items
John W. Eaton <jwe@octave.org>
parents: 17861
diff changeset
228 if (search_var)
2ca3a2f46d93 improve performance of exist when searching for specific items
John W. Eaton <jwe@octave.org>
parents: 17861
diff changeset
229 return 0;
2ca3a2f46d93 improve performance of exist when searching for specific items
John W. Eaton <jwe@octave.org>
parents: 17861
diff changeset
230 }
2ca3a2f46d93 improve performance of exist when searching for specific items
John W. Eaton <jwe@octave.org>
parents: 17861
diff changeset
231
18856
de8c67ba7ac4 Use Matlab return hierarchy for exist() codes when no type is specified.
Rik <rik@octave.org>
parents: 18282
diff changeset
232 // 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
233 // 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
234
22120
5f91c1e89a98 avoid possible crash in exist function (bug #36067)
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
235 // Command line function which Matlab does not support
5f91c1e89a98 avoid possible crash in exist function (bug #36067)
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
236 if (search_any)
18856
de8c67ba7ac4 Use Matlab return hierarchy for exist() codes when no type is specified.
Rik <rik@octave.org>
parents: 18282
diff changeset
237 {
23599
5cb3a2bb5e1e don't use singleton for symbol_table
John W. Eaton <jwe@octave.org>
parents: 23587
diff changeset
238 octave_value val = symtab.find_cmdline_function (name);
22120
5f91c1e89a98 avoid possible crash in exist function (bug #36067)
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
239
5f91c1e89a98 avoid possible crash in exist function (bug #36067)
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
240 if (val.is_defined ())
5f91c1e89a98 avoid possible crash in exist function (bug #36067)
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
241 return 103;
18856
de8c67ba7ac4 Use Matlab return hierarchy for exist() codes when no type is specified.
Rik <rik@octave.org>
parents: 18282
diff changeset
242 }
de8c67ba7ac4 Use Matlab return hierarchy for exist() codes when no type is specified.
Rik <rik@octave.org>
parents: 18282
diff changeset
243
17963
2ca3a2f46d93 improve performance of exist when searching for specific items
John W. Eaton <jwe@octave.org>
parents: 17861
diff changeset
244 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
245 {
27016
9b261300a001 move file-scope static autoload map variable and functions to evaluator
John W. Eaton <jwe@octave.org>
parents: 26843
diff changeset
246 octave::tree_evaluator& tw = interp.get_evaluator ();
9b261300a001 move file-scope static autoload map variable and functions to evaluator
John W. Eaton <jwe@octave.org>
parents: 26843
diff changeset
247
9b261300a001 move file-scope static autoload map variable and functions to evaluator
John W. Eaton <jwe@octave.org>
parents: 26843
diff changeset
248 std::string file_name = tw.lookup_autoload (name);
17963
2ca3a2f46d93 improve performance of exist when searching for specific items
John W. Eaton <jwe@octave.org>
parents: 17861
diff changeset
249
2ca3a2f46d93 improve performance of exist when searching for specific items
John W. Eaton <jwe@octave.org>
parents: 17861
diff changeset
250 if (file_name.empty ())
23438
d24d01273bd0 eliminate load-path singleton
John W. Eaton <jwe@octave.org>
parents: 23332
diff changeset
251 {
23701
a6e49930ddd2 avoid some global access to interpreter and symbol table
John W. Eaton <jwe@octave.org>
parents: 23699
diff changeset
252 octave::load_path& lp = interp.get_load_path ();
23438
d24d01273bd0 eliminate load-path singleton
John W. Eaton <jwe@octave.org>
parents: 23332
diff changeset
253
d24d01273bd0 eliminate load-path singleton
John W. Eaton <jwe@octave.org>
parents: 23332
diff changeset
254 file_name = lp.find_fcn (name);
d24d01273bd0 eliminate load-path singleton
John W. Eaton <jwe@octave.org>
parents: 23332
diff changeset
255 }
17963
2ca3a2f46d93 improve performance of exist when searching for specific items
John W. Eaton <jwe@octave.org>
parents: 17861
diff changeset
256
2ca3a2f46d93 improve performance of exist when searching for specific items
John W. Eaton <jwe@octave.org>
parents: 17861
diff changeset
257 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
258
2ca3a2f46d93 improve performance of exist when searching for specific items
John W. Eaton <jwe@octave.org>
parents: 17861
diff changeset
259 if (len > 0)
2ca3a2f46d93 improve performance of exist when searching for specific items
John W. Eaton <jwe@octave.org>
parents: 17861
diff changeset
260 {
2ca3a2f46d93 improve performance of exist when searching for specific items
John W. Eaton <jwe@octave.org>
parents: 17861
diff changeset
261 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
262 {
2ca3a2f46d93 improve performance of exist when searching for specific items
John W. Eaton <jwe@octave.org>
parents: 17861
diff changeset
263 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
264 || 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
265 return 3;
2ca3a2f46d93 improve performance of exist when searching for specific items
John W. Eaton <jwe@octave.org>
parents: 17861
diff changeset
266 else
2ca3a2f46d93 improve performance of exist when searching for specific items
John W. Eaton <jwe@octave.org>
parents: 17861
diff changeset
267 return 2;
2ca3a2f46d93 improve performance of exist when searching for specific items
John W. Eaton <jwe@octave.org>
parents: 17861
diff changeset
268 }
2ca3a2f46d93 improve performance of exist when searching for specific items
John W. Eaton <jwe@octave.org>
parents: 17861
diff changeset
269 }
2ca3a2f46d93 improve performance of exist when searching for specific items
John W. Eaton <jwe@octave.org>
parents: 17861
diff changeset
270
25646
4d565baa475e move libinterp/utils functions inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 25464
diff changeset
271 file_name = octave::file_in_path (name, "");
17963
2ca3a2f46d93 improve performance of exist when searching for specific items
John W. Eaton <jwe@octave.org>
parents: 17861
diff changeset
272
2ca3a2f46d93 improve performance of exist when searching for specific items
John W. Eaton <jwe@octave.org>
parents: 17861
diff changeset
273 if (file_name.empty ())
2ca3a2f46d93 improve performance of exist when searching for specific items
John W. Eaton <jwe@octave.org>
parents: 17861
diff changeset
274 file_name = name;
2ca3a2f46d93 improve performance of exist when searching for specific items
John W. Eaton <jwe@octave.org>
parents: 17861
diff changeset
275
26843
f07542e3a9b9 Fix "exist" for drive letters and UNC shares on Windows (bug #55824).
Markus Mützel <markus.muetzel@gmx.de>
parents: 26687
diff changeset
276 // "stat" doesn't work on UNC shares and drive letters.
f07542e3a9b9 Fix "exist" for drive letters and UNC shares on Windows (bug #55824).
Markus Mützel <markus.muetzel@gmx.de>
parents: 26687
diff changeset
277 if ((search_any || search_file) && octave::drive_or_unc_share (file_name))
f07542e3a9b9 Fix "exist" for drive letters and UNC shares on Windows (bug #55824).
Markus Mützel <markus.muetzel@gmx.de>
parents: 26687
diff changeset
278 return 7;
f07542e3a9b9 Fix "exist" for drive letters and UNC shares on Windows (bug #55824).
Markus Mützel <markus.muetzel@gmx.de>
parents: 26687
diff changeset
279
21736
0504351a45e6 use namespace for file_stat classes
John W. Eaton <jwe@octave.org>
parents: 21733
diff changeset
280 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
281
2ca3a2f46d93 improve performance of exist when searching for specific items
John W. Eaton <jwe@octave.org>
parents: 17861
diff changeset
282 if (fs)
2ca3a2f46d93 improve performance of exist when searching for specific items
John W. Eaton <jwe@octave.org>
parents: 17861
diff changeset
283 {
2ca3a2f46d93 improve performance of exist when searching for specific items
John W. Eaton <jwe@octave.org>
parents: 17861
diff changeset
284 if (search_any || search_file)
19861
19755f4fc851 maint: Cleanup C++ code to follow Octave coding conventions.
Rik <rik@octave.org>
parents: 19750
diff changeset
285 {
19755f4fc851 maint: Cleanup C++ code to follow Octave coding conventions.
Rik <rik@octave.org>
parents: 19750
diff changeset
286 if (fs.is_dir ())
19755f4fc851 maint: Cleanup C++ code to follow Octave coding conventions.
Rik <rik@octave.org>
parents: 19750
diff changeset
287 return 7;
19755f4fc851 maint: Cleanup C++ code to follow Octave coding conventions.
Rik <rik@octave.org>
parents: 19750
diff changeset
288
19755f4fc851 maint: Cleanup C++ code to follow Octave coding conventions.
Rik <rik@octave.org>
parents: 19750
diff changeset
289 len = file_name.length ();
19755f4fc851 maint: Cleanup C++ code to follow Octave coding conventions.
Rik <rik@octave.org>
parents: 19750
diff changeset
290
19755f4fc851 maint: Cleanup C++ code to follow Octave coding conventions.
Rik <rik@octave.org>
parents: 19750
diff changeset
291 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
292 || file_name.substr (len-4) == ".mex"))
19755f4fc851 maint: Cleanup C++ code to follow Octave coding conventions.
Rik <rik@octave.org>
parents: 19750
diff changeset
293 return 3;
19755f4fc851 maint: Cleanup C++ code to follow Octave coding conventions.
Rik <rik@octave.org>
parents: 19750
diff changeset
294 else
19755f4fc851 maint: Cleanup C++ code to follow Octave coding conventions.
Rik <rik@octave.org>
parents: 19750
diff changeset
295 return 2;
19755f4fc851 maint: Cleanup C++ code to follow Octave coding conventions.
Rik <rik@octave.org>
parents: 19750
diff changeset
296 }
17963
2ca3a2f46d93 improve performance of exist when searching for specific items
John W. Eaton <jwe@octave.org>
parents: 17861
diff changeset
297 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
298 return 7;
2ca3a2f46d93 improve performance of exist when searching for specific items
John W. Eaton <jwe@octave.org>
parents: 17861
diff changeset
299 }
2ca3a2f46d93 improve performance of exist when searching for specific items
John W. Eaton <jwe@octave.org>
parents: 17861
diff changeset
300
2ca3a2f46d93 improve performance of exist when searching for specific items
John W. Eaton <jwe@octave.org>
parents: 17861
diff changeset
301 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
302 return 0;
2ca3a2f46d93 improve performance of exist when searching for specific items
John W. Eaton <jwe@octave.org>
parents: 17861
diff changeset
303 }
1277
db4f4009d6e8 [project @ 1995-04-24 20:35:06 by jwe]
jwe
parents: 1271
diff changeset
304
22120
5f91c1e89a98 avoid possible crash in exist function (bug #36067)
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
305 if (search_any || search_builtin)
5f91c1e89a98 avoid possible crash in exist function (bug #36067)
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
306 {
23599
5cb3a2bb5e1e don't use singleton for symbol_table
John W. Eaton <jwe@octave.org>
parents: 23587
diff changeset
307 if (symtab.is_built_in_function_name (name))
22120
5f91c1e89a98 avoid possible crash in exist function (bug #36067)
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
308 return 5;
5f91c1e89a98 avoid possible crash in exist function (bug #36067)
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
309
5f91c1e89a98 avoid possible crash in exist function (bug #36067)
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
310 if (search_builtin)
5f91c1e89a98 avoid possible crash in exist function (bug #36067)
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
311 return 0;
5f91c1e89a98 avoid possible crash in exist function (bug #36067)
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
312 }
4016
139f5273d0f8 [project @ 2002-08-02 22:55:51 by jwe]
jwe
parents: 4010
diff changeset
313
17963
2ca3a2f46d93 improve performance of exist when searching for specific items
John W. Eaton <jwe@octave.org>
parents: 17861
diff changeset
314 return 0;
593
6f948c6251a9 [project @ 1994-08-09 04:29:10 by jwe]
jwe
parents: 584
diff changeset
315 }
6f948c6251a9 [project @ 1994-08-09 04:29:10 by jwe]
jwe
parents: 584
diff changeset
316
23927
e3a36f84d01d provide variable-editor widget for the GUI
Michael Barnes <mjbcode@runbox.com>
parents: 23829
diff changeset
317 int
e3a36f84d01d provide variable-editor widget for the GUI
Michael Barnes <mjbcode@runbox.com>
parents: 23829
diff changeset
318 symbol_exist (const std::string& name, const std::string& type)
e3a36f84d01d provide variable-editor widget for the GUI
Michael Barnes <mjbcode@runbox.com>
parents: 23829
diff changeset
319 {
e3a36f84d01d provide variable-editor widget for the GUI
Michael Barnes <mjbcode@runbox.com>
parents: 23829
diff changeset
320 octave::interpreter& interp = octave::__get_interpreter__ ("symbol_exist");
e3a36f84d01d provide variable-editor widget for the GUI
Michael Barnes <mjbcode@runbox.com>
parents: 23829
diff changeset
321
e3a36f84d01d provide variable-editor widget for the GUI
Michael Barnes <mjbcode@runbox.com>
parents: 23829
diff changeset
322 return symbol_exist (interp, name, type);
e3a36f84d01d provide variable-editor widget for the GUI
Michael Barnes <mjbcode@runbox.com>
parents: 23829
diff changeset
323 }
e3a36f84d01d provide variable-editor widget for the GUI
Michael Barnes <mjbcode@runbox.com>
parents: 23829
diff changeset
324
e3a36f84d01d provide variable-editor widget for the GUI
Michael Barnes <mjbcode@runbox.com>
parents: 23829
diff changeset
325
22197
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22196
diff changeset
326 #define GET_IDX(LEN) \
26372
2d9ae06f621b Fix static analyzer detected V1003 issues with expansions in macros (bug #55347).
Rik <rik@octave.org>
parents: 26169
diff changeset
327 static_cast<int> (((LEN)-1) * static_cast<double> (rand ()) / RAND_MAX)
4962
0ab18cbe8b5f [project @ 2004-09-02 16:56:17 by jwe]
jwe
parents: 4954
diff changeset
328
4954
ed0f3cb6d3d4 [project @ 2004-09-01 21:24:53 by jwe]
jwe
parents: 4930
diff changeset
329 std::string
ed0f3cb6d3d4 [project @ 2004-09-01 21:24:53 by jwe]
jwe
parents: 4930
diff changeset
330 unique_symbol_name (const std::string& basename)
ed0f3cb6d3d4 [project @ 2004-09-01 21:24:53 by jwe]
jwe
parents: 4930
diff changeset
331 {
4962
0ab18cbe8b5f [project @ 2004-09-02 16:56:17 by jwe]
jwe
parents: 4954
diff changeset
332 static const std::string alpha
0ab18cbe8b5f [project @ 2004-09-02 16:56:17 by jwe]
jwe
parents: 4954
diff changeset
333 = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ";
0ab18cbe8b5f [project @ 2004-09-02 16:56:17 by jwe]
jwe
parents: 4954
diff changeset
334
0ab18cbe8b5f [project @ 2004-09-02 16:56:17 by jwe]
jwe
parents: 4954
diff changeset
335 static size_t len = alpha.length ();
0ab18cbe8b5f [project @ 2004-09-02 16:56:17 by jwe]
jwe
parents: 4954
diff changeset
336
0ab18cbe8b5f [project @ 2004-09-02 16:56:17 by jwe]
jwe
parents: 4954
diff changeset
337 std::string nm = basename + alpha[GET_IDX (len)];
0ab18cbe8b5f [project @ 2004-09-02 16:56:17 by jwe]
jwe
parents: 4954
diff changeset
338
0ab18cbe8b5f [project @ 2004-09-02 16:56:17 by jwe]
jwe
parents: 4954
diff changeset
339 size_t pos = nm.length ();
0ab18cbe8b5f [project @ 2004-09-02 16:56:17 by jwe]
jwe
parents: 4954
diff changeset
340
0ab18cbe8b5f [project @ 2004-09-02 16:56:17 by jwe]
jwe
parents: 4954
diff changeset
341 if (nm.substr (0, 2) == "__")
0ab18cbe8b5f [project @ 2004-09-02 16:56:17 by jwe]
jwe
parents: 4954
diff changeset
342 nm.append ("__");
0ab18cbe8b5f [project @ 2004-09-02 16:56:17 by jwe]
jwe
parents: 4954
diff changeset
343
23701
a6e49930ddd2 avoid some global access to interpreter and symbol table
John W. Eaton <jwe@octave.org>
parents: 23699
diff changeset
344 octave::interpreter& interp
a6e49930ddd2 avoid some global access to interpreter and symbol table
John W. Eaton <jwe@octave.org>
parents: 23699
diff changeset
345 = octave::__get_interpreter__ ("unique_symbol_name");
a6e49930ddd2 avoid some global access to interpreter and symbol table
John W. Eaton <jwe@octave.org>
parents: 23699
diff changeset
346
a6e49930ddd2 avoid some global access to interpreter and symbol table
John W. Eaton <jwe@octave.org>
parents: 23699
diff changeset
347 while (symbol_exist (interp, nm, "any"))
4962
0ab18cbe8b5f [project @ 2004-09-02 16:56:17 by jwe]
jwe
parents: 4954
diff changeset
348 nm.insert (pos++, 1, alpha[GET_IDX (len)]);
0ab18cbe8b5f [project @ 2004-09-02 16:56:17 by jwe]
jwe
parents: 4954
diff changeset
349
0ab18cbe8b5f [project @ 2004-09-02 16:56:17 by jwe]
jwe
parents: 4954
diff changeset
350 return nm;
4954
ed0f3cb6d3d4 [project @ 2004-09-01 21:24:53 by jwe]
jwe
parents: 4930
diff changeset
351 }
ed0f3cb6d3d4 [project @ 2004-09-01 21:24:53 by jwe]
jwe
parents: 4930
diff changeset
352
23701
a6e49930ddd2 avoid some global access to interpreter and symbol table
John W. Eaton <jwe@octave.org>
parents: 23699
diff changeset
353 DEFMETHOD (exist, interp, args, ,
a6e49930ddd2 avoid some global access to interpreter and symbol table
John W. Eaton <jwe@octave.org>
parents: 23699
diff changeset
354 doc: /* -*- texinfo -*-
21966
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21885
diff changeset
355 @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
356 @deftypefnx {} {@var{c} =} exist (@var{name}, @var{type})
24485
ad04b8055d91 doc: Note that return code 8 (class) is not implemented for exist().
Rik <rik@octave.org>
parents: 24449
diff changeset
357 Check for the existence of @var{name} as a variable, function, file, directory,
ad04b8055d91 doc: Note that return code 8 (class) is not implemented for exist().
Rik <rik@octave.org>
parents: 24449
diff changeset
358 or class.
21966
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21885
diff changeset
359
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21885
diff changeset
360 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
361
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21885
diff changeset
362 @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
363 @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
364 @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
365
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21885
diff changeset
366 @item 2
24485
ad04b8055d91 doc: Note that return code 8 (class) is not implemented for exist().
Rik <rik@octave.org>
parents: 24449
diff changeset
367 @var{name} is an absolute filename, an ordinary file in Octave's @code{path},
ad04b8055d91 doc: Note that return code 8 (class) is not implemented for exist().
Rik <rik@octave.org>
parents: 24449
diff changeset
368 or (after appending @samp{.m}) a function file in Octave's @code{path}.
21966
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21885
diff changeset
369
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21885
diff changeset
370 @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
371 @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
372
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21885
diff changeset
373 @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
374 @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
375
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21885
diff changeset
376 @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
377 @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
378
24485
ad04b8055d91 doc: Note that return code 8 (class) is not implemented for exist().
Rik <rik@octave.org>
parents: 24449
diff changeset
379 @item 8
ad04b8055d91 doc: Note that return code 8 (class) is not implemented for exist().
Rik <rik@octave.org>
parents: 24449
diff changeset
380 @var{name} is a class. (Note: not currently implemented)
ad04b8055d91 doc: Note that return code 8 (class) is not implemented for exist().
Rik <rik@octave.org>
parents: 24449
diff changeset
381
21966
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21885
diff changeset
382 @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
383 @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
384 line).
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21885
diff changeset
385
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21885
diff changeset
386 @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
387 @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
388 @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
389
24485
ad04b8055d91 doc: Note that return code 8 (class) is not implemented for exist().
Rik <rik@octave.org>
parents: 24449
diff changeset
390 If the optional argument @var{type} is supplied, check only for symbols of the
ad04b8055d91 doc: Note that return code 8 (class) is not implemented for exist().
Rik <rik@octave.org>
parents: 24449
diff changeset
391 specified type. Valid types are
21966
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21885
diff changeset
392
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21885
diff changeset
393 @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
394 @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
395 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
396
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21885
diff changeset
397 @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
398 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
399
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21885
diff changeset
400 @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
401 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
402
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21885
diff changeset
403 @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
404 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
405
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21885
diff changeset
406 @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
407 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
408 implemented)
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21885
diff changeset
409 @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
410
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21885
diff changeset
411 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
412 @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
413 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
414
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21885
diff changeset
415 @code{exist} returns 2 if a regular file called @var{name} is present in
24485
ad04b8055d91 doc: Note that return code 8 (class) is not implemented for exist().
Rik <rik@octave.org>
parents: 24449
diff changeset
416 Octave's search path. For information about other types of files not on the
ad04b8055d91 doc: Note that return code 8 (class) is not implemented for exist().
Rik <rik@octave.org>
parents: 24449
diff changeset
417 search path use some combination of the functions @code{file_in_path} and
ad04b8055d91 doc: Note that return code 8 (class) is not implemented for exist().
Rik <rik@octave.org>
parents: 24449
diff changeset
418 @code{stat} instead.
21966
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21885
diff changeset
419
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21885
diff changeset
420 Programming Note: If @var{name} is implemented by a buggy .oct/.mex file,
24485
ad04b8055d91 doc: Note that return code 8 (class) is not implemented for exist().
Rik <rik@octave.org>
parents: 24449
diff changeset
421 calling @var{exist} may cause Octave to crash. To maintain high performance,
ad04b8055d91 doc: Note that return code 8 (class) is not implemented for exist().
Rik <rik@octave.org>
parents: 24449
diff changeset
422 Octave trusts .oct/.mex files instead of @nospell{sandboxing} them.
21966
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21885
diff changeset
423
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21885
diff changeset
424 @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
425 @end deftypefn */)
4016
139f5273d0f8 [project @ 2002-08-02 22:55:51 by jwe]
jwe
parents: 4010
diff changeset
426 {
139f5273d0f8 [project @ 2002-08-02 22:55:51 by jwe]
jwe
parents: 4010
diff changeset
427 int nargin = args.length ();
139f5273d0f8 [project @ 2002-08-02 22:55:51 by jwe]
jwe
parents: 4010
diff changeset
428
20799
c349d4c91ce2 eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents: 20769
diff changeset
429 if (nargin < 1 || nargin > 2)
c349d4c91ce2 eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents: 20769
diff changeset
430 print_usage ();
c349d4c91ce2 eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents: 20769
diff changeset
431
c349d4c91ce2 eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents: 20769
diff changeset
432 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
433
c349d4c91ce2 eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents: 20769
diff changeset
434 if (nargin == 2)
4016
139f5273d0f8 [project @ 2002-08-02 22:55:51 by jwe]
jwe
parents: 4010
diff changeset
435 {
20799
c349d4c91ce2 eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents: 20769
diff changeset
436 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
437
c349d4c91ce2 eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents: 20769
diff changeset
438 if (type == "class")
23803
90689bdbe048 Use C++11 raw string literals to avoid escaping double quotes.
Rik <rik@octave.org>
parents: 23795
diff changeset
439 warning (R"(exist: "class" type argument is not implemented)");
20799
c349d4c91ce2 eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents: 20769
diff changeset
440
23701
a6e49930ddd2 avoid some global access to interpreter and symbol table
John W. Eaton <jwe@octave.org>
parents: 23699
diff changeset
441 return ovl (symbol_exist (interp, name, type));
4016
139f5273d0f8 [project @ 2002-08-02 22:55:51 by jwe]
jwe
parents: 4010
diff changeset
442 }
139f5273d0f8 [project @ 2002-08-02 22:55:51 by jwe]
jwe
parents: 4010
diff changeset
443 else
23701
a6e49930ddd2 avoid some global access to interpreter and symbol table
John W. Eaton <jwe@octave.org>
parents: 23699
diff changeset
444 return ovl (symbol_exist (interp, name));
4016
139f5273d0f8 [project @ 2002-08-02 22:55:51 by jwe]
jwe
parents: 4010
diff changeset
445 }
139f5273d0f8 [project @ 2002-08-02 22:55:51 by jwe]
jwe
parents: 4010
diff changeset
446
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
447 /*
18856
de8c67ba7ac4 Use Matlab return hierarchy for exist() codes when no type is specified.
Rik <rik@octave.org>
parents: 18282
diff changeset
448 %!shared dirtmp, __var1
de8c67ba7ac4 Use Matlab return hierarchy for exist() codes when no type is specified.
Rik <rik@octave.org>
parents: 18282
diff changeset
449 %! dirtmp = P_tmpdir ();
de8c67ba7ac4 Use Matlab return hierarchy for exist() codes when no type is specified.
Rik <rik@octave.org>
parents: 18282
diff changeset
450 %! __var1 = 1;
de8c67ba7ac4 Use Matlab return hierarchy for exist() codes when no type is specified.
Rik <rik@octave.org>
parents: 18282
diff changeset
451
de8c67ba7ac4 Use Matlab return hierarchy for exist() codes when no type is specified.
Rik <rik@octave.org>
parents: 18282
diff changeset
452 %!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
453 %!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
454 %!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
455 %!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
456 %!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
457 %!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
458
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
459 %!test
14429
eff4a5933e28 Update %!tests in src/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14366
diff changeset
460 %! if (isunix ())
18856
de8c67ba7ac4 Use Matlab return hierarchy for exist() codes when no type is specified.
Rik <rik@octave.org>
parents: 18282
diff changeset
461 %! 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
462 %! 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
463 %! 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
464 %! 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
465 %! 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
466 %! 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
467 %! endif
18856
de8c67ba7ac4 Use Matlab return hierarchy for exist() codes when no type is specified.
Rik <rik@octave.org>
parents: 18282
diff changeset
468
19750
2111917d34c4 fix tests failing after changeset c913247c85a8
John W. Eaton <jwe@octave.org>
parents: 19743
diff changeset
469 %!assert (exist ("print_usage"), 2)
2111917d34c4 fix tests failing after changeset c913247c85a8
John W. Eaton <jwe@octave.org>
parents: 19743
diff changeset
470 %!assert (exist ("print_usage.m"), 2)
2111917d34c4 fix tests failing after changeset c913247c85a8
John W. Eaton <jwe@octave.org>
parents: 19743
diff changeset
471 %!assert (exist ("print_usage", "file"), 2)
2111917d34c4 fix tests failing after changeset c913247c85a8
John W. Eaton <jwe@octave.org>
parents: 19743
diff changeset
472 %!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
473
20713
2469d78a1d8b Consistently use 'filename' rather than 'file name' throughout code base.
Rik <rik@octave.org>
parents: 20711
diff changeset
474 ## 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
475 %!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
476 %!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
477 %!assert (exist ("./%nonexistentfile%", "file"), 0)
a4faec57f4c8 maint: remove semicolon after %!assert tests to follow Octave conventions.
Rik <rik@octave.org>
parents: 21301
diff changeset
478 %!assert (exist ("%nonexistentfile%", "file"), 0)
20181
aa36fb998a4d maint: Remove unnecessary whitespace at end of lines.
Rik <rik@octave.org>
parents: 20178
diff changeset
479
20713
2469d78a1d8b Consistently use 'filename' rather than 'file name' throughout code base.
Rik <rik@octave.org>
parents: 20711
diff changeset
480 ## 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
481 %!test
26677
33f79d94f21f Create any BIST temporary files in writable temporary directory (bug #55565).
Rik <rik@octave.org>
parents: 26661
diff changeset
482 %! tname = tempname ();
19915
85c5a81c6ddd Rewrite BIST tests for exist to pass on Windows (bug #44445).
Rik <rik@octave.org>
parents: 19864
diff changeset
483 %! unwind_protect
85c5a81c6ddd Rewrite BIST tests for exist to pass on Windows (bug #44445).
Rik <rik@octave.org>
parents: 19864
diff changeset
484 %! ## 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
485 %! fid = fopen (tname, "w");
85c5a81c6ddd Rewrite BIST tests for exist to pass on Windows (bug #44445).
Rik <rik@octave.org>
parents: 19864
diff changeset
486 %! fclose (fid);
85c5a81c6ddd Rewrite BIST tests for exist to pass on Windows (bug #44445).
Rik <rik@octave.org>
parents: 19864
diff changeset
487 %! [~, fname] = fileparts (tname);
26679
2b6aa96a5c82 create BIST temporary files in tempdir instead of P_tmpdir (bug #55565)
Mike Miller <mtmiller@octave.org>
parents: 26677
diff changeset
488 %! assert (exist (fullfile (tempdir (), fname), "file"), 2);
19915
85c5a81c6ddd Rewrite BIST tests for exist to pass on Windows (bug #44445).
Rik <rik@octave.org>
parents: 19864
diff changeset
489 %! unwind_protect_cleanup
85c5a81c6ddd Rewrite BIST tests for exist to pass on Windows (bug #44445).
Rik <rik@octave.org>
parents: 19864
diff changeset
490 %! unlink (tname);
85c5a81c6ddd Rewrite BIST tests for exist to pass on Windows (bug #44445).
Rik <rik@octave.org>
parents: 19864
diff changeset
491 %! end_unwind_protect
85c5a81c6ddd Rewrite BIST tests for exist to pass on Windows (bug #44445).
Rik <rik@octave.org>
parents: 19864
diff changeset
492 %! 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
493
18856
de8c67ba7ac4 Use Matlab return hierarchy for exist() codes when no type is specified.
Rik <rik@octave.org>
parents: 18282
diff changeset
494 %!testif HAVE_CHOLMOD
de8c67ba7ac4 Use Matlab return hierarchy for exist() codes when no type is specified.
Rik <rik@octave.org>
parents: 18282
diff changeset
495 %! 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
496 %! 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
497 %! 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
498 %! 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
499
de8c67ba7ac4 Use Matlab return hierarchy for exist() codes when no type is specified.
Rik <rik@octave.org>
parents: 18282
diff changeset
500 %!assert (exist ("sin"), 5)
18861
da6ffbf75edf Simplify exist() code for recognizing command line functions.
Rik <rik@octave.org>
parents: 18858
diff changeset
501 %!assert (exist ("sin", "builtin"), 5)
da6ffbf75edf Simplify exist() code for recognizing command line functions.
Rik <rik@octave.org>
parents: 18858
diff changeset
502 %!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
503
de8c67ba7ac4 Use Matlab return hierarchy for exist() codes when no type is specified.
Rik <rik@octave.org>
parents: 18282
diff changeset
504 %!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
505 %!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
506 %!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
507
18880
ca0d9844dfd7 Fix input validation for exist() which did not error on non-string input.
Rik <rik@octave.org>
parents: 18879
diff changeset
508 %!error exist ()
ca0d9844dfd7 Fix input validation for exist() which did not error on non-string input.
Rik <rik@octave.org>
parents: 18879
diff changeset
509 %!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
510 %!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
511 %!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
512 %!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
513 %!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
514
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
515 */
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
516
593
6f948c6251a9 [project @ 1994-08-09 04:29:10 by jwe]
jwe
parents: 584
diff changeset
517 // Variable values.
195
13c6086c325c [project @ 1993-11-06 10:12:29 by jwe]
jwe
parents: 191
diff changeset
518
10637
9cd5aa83fa62 implement 'local' parameter to pseudo-variables
Jaroslav Hajek <highegg@gmail.com>
parents: 10521
diff changeset
519 static bool
9cd5aa83fa62 implement 'local' parameter to pseudo-variables
Jaroslav Hajek <highegg@gmail.com>
parents: 10521
diff changeset
520 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
521 {
9cd5aa83fa62 implement 'local' parameter to pseudo-variables
Jaroslav Hajek <highegg@gmail.com>
parents: 10521
diff changeset
522 bool retval = false;
9cd5aa83fa62 implement 'local' parameter to pseudo-variables
Jaroslav Hajek <highegg@gmail.com>
parents: 10521
diff changeset
523
9cd5aa83fa62 implement 'local' parameter to pseudo-variables
Jaroslav Hajek <highegg@gmail.com>
parents: 10521
diff changeset
524 if (nargin == 2)
9cd5aa83fa62 implement 'local' parameter to pseudo-variables
Jaroslav Hajek <highegg@gmail.com>
parents: 10521
diff changeset
525 {
21224
2e64b5899d1f maint: invert if/else/error pattern in variables.cc
Rik <rik@octave.org>
parents: 21200
diff changeset
526 if (! args(1).is_string () || args(1).string_value () != "local")
23803
90689bdbe048 Use C++11 raw string literals to avoid escaping double quotes.
Rik <rik@octave.org>
parents: 23795
diff changeset
527 error_with_cfn (R"(second argument must be "local")");
21224
2e64b5899d1f maint: invert if/else/error pattern in variables.cc
Rik <rik@octave.org>
parents: 21200
diff changeset
528
2e64b5899d1f maint: invert if/else/error pattern in variables.cc
Rik <rik@octave.org>
parents: 21200
diff changeset
529 nargin = 1;
2e64b5899d1f maint: invert if/else/error pattern in variables.cc
Rik <rik@octave.org>
parents: 21200
diff changeset
530 retval = true;
10637
9cd5aa83fa62 implement 'local' parameter to pseudo-variables
Jaroslav Hajek <highegg@gmail.com>
parents: 10521
diff changeset
531 }
9cd5aa83fa62 implement 'local' parameter to pseudo-variables
Jaroslav Hajek <highegg@gmail.com>
parents: 10521
diff changeset
532
9cd5aa83fa62 implement 'local' parameter to pseudo-variables
Jaroslav Hajek <highegg@gmail.com>
parents: 10521
diff changeset
533 return retval;
9cd5aa83fa62 implement 'local' parameter to pseudo-variables
Jaroslav Hajek <highegg@gmail.com>
parents: 10521
diff changeset
534 }
9cd5aa83fa62 implement 'local' parameter to pseudo-variables
Jaroslav Hajek <highegg@gmail.com>
parents: 10521
diff changeset
535
23704
c495549e9a94 refactor local protection for internal variables
John W. Eaton <jwe@octave.org>
parents: 23703
diff changeset
536 static octave::unwind_protect *
c495549e9a94 refactor local protection for internal variables
John W. Eaton <jwe@octave.org>
parents: 23703
diff changeset
537 curr_fcn_unwind_protect_frame (void)
10637
9cd5aa83fa62 implement 'local' parameter to pseudo-variables
Jaroslav Hajek <highegg@gmail.com>
parents: 10521
diff changeset
538 {
27204
9a3e92d02a03 eliminate direct access to call stack in variables functions
John W. Eaton <jwe@octave.org>
parents: 27160
diff changeset
539 octave::tree_evaluator& tw
9a3e92d02a03 eliminate direct access to call stack in variables functions
John W. Eaton <jwe@octave.org>
parents: 27160
diff changeset
540 = octave::__get_evaluator__ ("curr_fcn_unwind_protect_frame");
23553
14723784b9f2 don't use singleton for call_stack
John W. Eaton <jwe@octave.org>
parents: 23466
diff changeset
541
27204
9a3e92d02a03 eliminate direct access to call stack in variables functions
John W. Eaton <jwe@octave.org>
parents: 27160
diff changeset
542 return tw.curr_fcn_unwind_protect_frame ();
23704
c495549e9a94 refactor local protection for internal variables
John W. Eaton <jwe@octave.org>
parents: 23703
diff changeset
543 }
c495549e9a94 refactor local protection for internal variables
John W. Eaton <jwe@octave.org>
parents: 23703
diff changeset
544
c495549e9a94 refactor local protection for internal variables
John W. Eaton <jwe@octave.org>
parents: 23703
diff changeset
545 template <typename T>
c495549e9a94 refactor local protection for internal variables
John W. Eaton <jwe@octave.org>
parents: 23703
diff changeset
546 static bool
c495549e9a94 refactor local protection for internal variables
John W. Eaton <jwe@octave.org>
parents: 23703
diff changeset
547 try_local_protect (T& var)
c495549e9a94 refactor local protection for internal variables
John W. Eaton <jwe@octave.org>
parents: 23703
diff changeset
548 {
c495549e9a94 refactor local protection for internal variables
John W. Eaton <jwe@octave.org>
parents: 23703
diff changeset
549 octave::unwind_protect *frame = curr_fcn_unwind_protect_frame ();
c495549e9a94 refactor local protection for internal variables
John W. Eaton <jwe@octave.org>
parents: 23703
diff changeset
550
c495549e9a94 refactor local protection for internal variables
John W. Eaton <jwe@octave.org>
parents: 23703
diff changeset
551 if (frame)
c495549e9a94 refactor local protection for internal variables
John W. Eaton <jwe@octave.org>
parents: 23703
diff changeset
552 {
c495549e9a94 refactor local protection for internal variables
John W. Eaton <jwe@octave.org>
parents: 23703
diff changeset
553 frame->protect_var (var);
c495549e9a94 refactor local protection for internal variables
John W. Eaton <jwe@octave.org>
parents: 23703
diff changeset
554 return true;
c495549e9a94 refactor local protection for internal variables
John W. Eaton <jwe@octave.org>
parents: 23703
diff changeset
555 }
10637
9cd5aa83fa62 implement 'local' parameter to pseudo-variables
Jaroslav Hajek <highegg@gmail.com>
parents: 10521
diff changeset
556 else
9cd5aa83fa62 implement 'local' parameter to pseudo-variables
Jaroslav Hajek <highegg@gmail.com>
parents: 10521
diff changeset
557 return false;
9cd5aa83fa62 implement 'local' parameter to pseudo-variables
Jaroslav Hajek <highegg@gmail.com>
parents: 10521
diff changeset
558 }
9cd5aa83fa62 implement 'local' parameter to pseudo-variables
Jaroslav Hajek <highegg@gmail.com>
parents: 10521
diff changeset
559
5791
70215aff5ccf [project @ 2006-05-04 18:38:45 by jwe]
jwe
parents: 5781
diff changeset
560 octave_value
70215aff5ccf [project @ 2006-05-04 18:38:45 by jwe]
jwe
parents: 5781
diff changeset
561 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
562 int nargout, const char *nm)
5791
70215aff5ccf [project @ 2006-05-04 18:38:45 by jwe]
jwe
parents: 5781
diff changeset
563 {
5794
1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe]
jwe
parents: 5791
diff changeset
564 octave_value retval;
1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe]
jwe
parents: 5791
diff changeset
565
5800
e8be7fe586f9 [project @ 2006-05-10 06:50:45 by jwe]
jwe
parents: 5794
diff changeset
566 int nargin = args.length ();
e8be7fe586f9 [project @ 2006-05-10 06:50:45 by jwe]
jwe
parents: 5794
diff changeset
567
e8be7fe586f9 [project @ 2006-05-10 06:50:45 by jwe]
jwe
parents: 5794
diff changeset
568 if (nargout > 0 || nargin == 0)
5794
1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe]
jwe
parents: 5791
diff changeset
569 retval = var;
5791
70215aff5ccf [project @ 2006-05-04 18:38:45 by jwe]
jwe
parents: 5781
diff changeset
570
10637
9cd5aa83fa62 implement 'local' parameter to pseudo-variables
Jaroslav Hajek <highegg@gmail.com>
parents: 10521
diff changeset
571 if (wants_local_change (args, nargin))
9cd5aa83fa62 implement 'local' parameter to pseudo-variables
Jaroslav Hajek <highegg@gmail.com>
parents: 10521
diff changeset
572 {
9cd5aa83fa62 implement 'local' parameter to pseudo-variables
Jaroslav Hajek <highegg@gmail.com>
parents: 10521
diff changeset
573 if (! try_local_protect (var))
23803
90689bdbe048 Use C++11 raw string literals to avoid escaping double quotes.
Rik <rik@octave.org>
parents: 23795
diff changeset
574 warning (R"("local" has no effect outside a function)");
10637
9cd5aa83fa62 implement 'local' parameter to pseudo-variables
Jaroslav Hajek <highegg@gmail.com>
parents: 10521
diff changeset
575 }
9cd5aa83fa62 implement 'local' parameter to pseudo-variables
Jaroslav Hajek <highegg@gmail.com>
parents: 10521
diff changeset
576
20939
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20925
diff changeset
577 if (nargin > 1)
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20925
diff changeset
578 print_usage ();
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20925
diff changeset
579
5791
70215aff5ccf [project @ 2006-05-04 18:38:45 by jwe]
jwe
parents: 5781
diff changeset
580 if (nargin == 1)
70215aff5ccf [project @ 2006-05-04 18:38:45 by jwe]
jwe
parents: 5781
diff changeset
581 {
20711
7b608fadc663 Make error messages more specific about the variable and problem encountered.
Rik <rik@octave.org>
parents: 20704
diff changeset
582 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
583
571508c1ed06 eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20700
diff changeset
584 var = bval;
5791
70215aff5ccf [project @ 2006-05-04 18:38:45 by jwe]
jwe
parents: 5781
diff changeset
585 }
70215aff5ccf [project @ 2006-05-04 18:38:45 by jwe]
jwe
parents: 5781
diff changeset
586
70215aff5ccf [project @ 2006-05-04 18:38:45 by jwe]
jwe
parents: 5781
diff changeset
587 return retval;
70215aff5ccf [project @ 2006-05-04 18:38:45 by jwe]
jwe
parents: 5781
diff changeset
588 }
70215aff5ccf [project @ 2006-05-04 18:38:45 by jwe]
jwe
parents: 5781
diff changeset
589
70215aff5ccf [project @ 2006-05-04 18:38:45 by jwe]
jwe
parents: 5781
diff changeset
590 octave_value
5794
1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe]
jwe
parents: 5791
diff changeset
591 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
592 int nargout, const char *nm)
5791
70215aff5ccf [project @ 2006-05-04 18:38:45 by jwe]
jwe
parents: 5781
diff changeset
593 {
5794
1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe]
jwe
parents: 5791
diff changeset
594 octave_value retval;
1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe]
jwe
parents: 5791
diff changeset
595
5800
e8be7fe586f9 [project @ 2006-05-10 06:50:45 by jwe]
jwe
parents: 5794
diff changeset
596 int nargin = args.length ();
e8be7fe586f9 [project @ 2006-05-10 06:50:45 by jwe]
jwe
parents: 5794
diff changeset
597
e8be7fe586f9 [project @ 2006-05-10 06:50:45 by jwe]
jwe
parents: 5794
diff changeset
598 if (nargout > 0 || nargin == 0)
5794
1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe]
jwe
parents: 5791
diff changeset
599 retval = var;
5791
70215aff5ccf [project @ 2006-05-04 18:38:45 by jwe]
jwe
parents: 5781
diff changeset
600
10637
9cd5aa83fa62 implement 'local' parameter to pseudo-variables
Jaroslav Hajek <highegg@gmail.com>
parents: 10521
diff changeset
601 if (wants_local_change (args, nargin))
9cd5aa83fa62 implement 'local' parameter to pseudo-variables
Jaroslav Hajek <highegg@gmail.com>
parents: 10521
diff changeset
602 {
9cd5aa83fa62 implement 'local' parameter to pseudo-variables
Jaroslav Hajek <highegg@gmail.com>
parents: 10521
diff changeset
603 if (! try_local_protect (var))
23803
90689bdbe048 Use C++11 raw string literals to avoid escaping double quotes.
Rik <rik@octave.org>
parents: 23795
diff changeset
604 warning (R"("local" has no effect outside a function)");
10637
9cd5aa83fa62 implement 'local' parameter to pseudo-variables
Jaroslav Hajek <highegg@gmail.com>
parents: 10521
diff changeset
605 }
9cd5aa83fa62 implement 'local' parameter to pseudo-variables
Jaroslav Hajek <highegg@gmail.com>
parents: 10521
diff changeset
606
20939
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20925
diff changeset
607 if (nargin > 1)
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20925
diff changeset
608 print_usage ();
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20925
diff changeset
609
5791
70215aff5ccf [project @ 2006-05-04 18:38:45 by jwe]
jwe
parents: 5781
diff changeset
610 if (nargin == 1)
70215aff5ccf [project @ 2006-05-04 18:38:45 by jwe]
jwe
parents: 5781
diff changeset
611 {
20700
68e3a747ca02 rename octave_value value extractors that accept error message args
John W. Eaton <jwe@octave.org>
parents: 20581
diff changeset
612 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
613
fd0efcdb3718 use new string_value method to handle value extraction errors
John W. Eaton <jwe@octave.org>
parents: 20556
diff changeset
614 switch (sval.length ())
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
615 {
20581
fd0efcdb3718 use new string_value method to handle value extraction errors
John W. Eaton <jwe@octave.org>
parents: 20556
diff changeset
616 case 1:
fd0efcdb3718 use new string_value method to handle value extraction errors
John W. Eaton <jwe@octave.org>
parents: 20556
diff changeset
617 var = sval[0];
fd0efcdb3718 use new string_value method to handle value extraction errors
John W. Eaton <jwe@octave.org>
parents: 20556
diff changeset
618 break;
fd0efcdb3718 use new string_value method to handle value extraction errors
John W. Eaton <jwe@octave.org>
parents: 20556
diff changeset
619
fd0efcdb3718 use new string_value method to handle value extraction errors
John W. Eaton <jwe@octave.org>
parents: 20556
diff changeset
620 case 0:
fd0efcdb3718 use new string_value method to handle value extraction errors
John W. Eaton <jwe@octave.org>
parents: 20556
diff changeset
621 var = '\0';
fd0efcdb3718 use new string_value method to handle value extraction errors
John W. Eaton <jwe@octave.org>
parents: 20556
diff changeset
622 break;
fd0efcdb3718 use new string_value method to handle value extraction errors
John W. Eaton <jwe@octave.org>
parents: 20556
diff changeset
623
fd0efcdb3718 use new string_value method to handle value extraction errors
John W. Eaton <jwe@octave.org>
parents: 20556
diff changeset
624 default:
fd0efcdb3718 use new string_value method to handle value extraction errors
John W. Eaton <jwe@octave.org>
parents: 20556
diff changeset
625 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
626 break;
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
627 }
5794
1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe]
jwe
parents: 5791
diff changeset
628 }
1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe]
jwe
parents: 5791
diff changeset
629
1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe]
jwe
parents: 5791
diff changeset
630 return retval;
1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe]
jwe
parents: 5791
diff changeset
631 }
1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe]
jwe
parents: 5791
diff changeset
632
1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe]
jwe
parents: 5791
diff changeset
633 octave_value
1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe]
jwe
parents: 5791
diff changeset
634 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
635 int nargout, const char *nm,
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
636 int minval, int maxval)
5794
1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe]
jwe
parents: 5791
diff changeset
637 {
1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe]
jwe
parents: 5791
diff changeset
638 octave_value retval;
1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe]
jwe
parents: 5791
diff changeset
639
5800
e8be7fe586f9 [project @ 2006-05-10 06:50:45 by jwe]
jwe
parents: 5794
diff changeset
640 int nargin = args.length ();
e8be7fe586f9 [project @ 2006-05-10 06:50:45 by jwe]
jwe
parents: 5794
diff changeset
641
e8be7fe586f9 [project @ 2006-05-10 06:50:45 by jwe]
jwe
parents: 5794
diff changeset
642 if (nargout > 0 || nargin == 0)
5794
1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe]
jwe
parents: 5791
diff changeset
643 retval = var;
1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe]
jwe
parents: 5791
diff changeset
644
10637
9cd5aa83fa62 implement 'local' parameter to pseudo-variables
Jaroslav Hajek <highegg@gmail.com>
parents: 10521
diff changeset
645 if (wants_local_change (args, nargin))
9cd5aa83fa62 implement 'local' parameter to pseudo-variables
Jaroslav Hajek <highegg@gmail.com>
parents: 10521
diff changeset
646 {
9cd5aa83fa62 implement 'local' parameter to pseudo-variables
Jaroslav Hajek <highegg@gmail.com>
parents: 10521
diff changeset
647 if (! try_local_protect (var))
23803
90689bdbe048 Use C++11 raw string literals to avoid escaping double quotes.
Rik <rik@octave.org>
parents: 23795
diff changeset
648 warning (R"("local" has no effect outside a function)");
10637
9cd5aa83fa62 implement 'local' parameter to pseudo-variables
Jaroslav Hajek <highegg@gmail.com>
parents: 10521
diff changeset
649 }
9cd5aa83fa62 implement 'local' parameter to pseudo-variables
Jaroslav Hajek <highegg@gmail.com>
parents: 10521
diff changeset
650
20939
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20925
diff changeset
651 if (nargin > 1)
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20925
diff changeset
652 print_usage ();
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20925
diff changeset
653
5794
1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe]
jwe
parents: 5791
diff changeset
654 if (nargin == 1)
1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe]
jwe
parents: 5791
diff changeset
655 {
20711
7b608fadc663 Make error messages more specific about the variable and problem encountered.
Rik <rik@octave.org>
parents: 20704
diff changeset
656 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
657
571508c1ed06 eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20700
diff changeset
658 if (ival < minval)
20711
7b608fadc663 Make error messages more specific about the variable and problem encountered.
Rik <rik@octave.org>
parents: 20704
diff changeset
659 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
660 if (ival > maxval)
21055
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error.
Rik <rik@octave.org>
parents: 21017
diff changeset
661 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
662
2e64b5899d1f maint: invert if/else/error pattern in variables.cc
Rik <rik@octave.org>
parents: 21200
diff changeset
663 var = ival;
5794
1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe]
jwe
parents: 5791
diff changeset
664 }
1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe]
jwe
parents: 5791
diff changeset
665
1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe]
jwe
parents: 5791
diff changeset
666 return retval;
1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe]
jwe
parents: 5791
diff changeset
667 }
1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe]
jwe
parents: 5791
diff changeset
668
1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe]
jwe
parents: 5791
diff changeset
669 octave_value
1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe]
jwe
parents: 5791
diff changeset
670 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
671 int nargout, const char *nm,
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
672 double minval, double maxval)
5794
1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe]
jwe
parents: 5791
diff changeset
673 {
1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe]
jwe
parents: 5791
diff changeset
674 octave_value retval;
1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe]
jwe
parents: 5791
diff changeset
675
5800
e8be7fe586f9 [project @ 2006-05-10 06:50:45 by jwe]
jwe
parents: 5794
diff changeset
676 int nargin = args.length ();
e8be7fe586f9 [project @ 2006-05-10 06:50:45 by jwe]
jwe
parents: 5794
diff changeset
677
e8be7fe586f9 [project @ 2006-05-10 06:50:45 by jwe]
jwe
parents: 5794
diff changeset
678 if (nargout > 0 || nargin == 0)
5794
1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe]
jwe
parents: 5791
diff changeset
679 retval = var;
1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe]
jwe
parents: 5791
diff changeset
680
10637
9cd5aa83fa62 implement 'local' parameter to pseudo-variables
Jaroslav Hajek <highegg@gmail.com>
parents: 10521
diff changeset
681 if (wants_local_change (args, nargin))
9cd5aa83fa62 implement 'local' parameter to pseudo-variables
Jaroslav Hajek <highegg@gmail.com>
parents: 10521
diff changeset
682 {
9cd5aa83fa62 implement 'local' parameter to pseudo-variables
Jaroslav Hajek <highegg@gmail.com>
parents: 10521
diff changeset
683 if (! try_local_protect (var))
23803
90689bdbe048 Use C++11 raw string literals to avoid escaping double quotes.
Rik <rik@octave.org>
parents: 23795
diff changeset
684 warning (R"("local" has no effect outside a function)");
10637
9cd5aa83fa62 implement 'local' parameter to pseudo-variables
Jaroslav Hajek <highegg@gmail.com>
parents: 10521
diff changeset
685 }
9cd5aa83fa62 implement 'local' parameter to pseudo-variables
Jaroslav Hajek <highegg@gmail.com>
parents: 10521
diff changeset
686
20939
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20925
diff changeset
687 if (nargin > 1)
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20925
diff changeset
688 print_usage ();
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20925
diff changeset
689
5794
1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe]
jwe
parents: 5791
diff changeset
690 if (nargin == 1)
1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe]
jwe
parents: 5791
diff changeset
691 {
20711
7b608fadc663 Make error messages more specific about the variable and problem encountered.
Rik <rik@octave.org>
parents: 20704
diff changeset
692 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
693
571508c1ed06 eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20700
diff changeset
694 if (dval < minval)
26107
05dfcb24ef12 Supply missing arguments to variable length *printf functions (bug #55046).
Rik <rik@octave.org>
parents: 26089
diff changeset
695 error ("%s: argument must be greater than %g", nm, minval);
21224
2e64b5899d1f maint: invert if/else/error pattern in variables.cc
Rik <rik@octave.org>
parents: 21200
diff changeset
696 if (dval > maxval)
26107
05dfcb24ef12 Supply missing arguments to variable length *printf functions (bug #55046).
Rik <rik@octave.org>
parents: 26089
diff changeset
697 error ("%s: argument must be less than or equal to %g", nm, maxval);
21224
2e64b5899d1f maint: invert if/else/error pattern in variables.cc
Rik <rik@octave.org>
parents: 21200
diff changeset
698
2e64b5899d1f maint: invert if/else/error pattern in variables.cc
Rik <rik@octave.org>
parents: 21200
diff changeset
699 var = dval;
5794
1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe]
jwe
parents: 5791
diff changeset
700 }
1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe]
jwe
parents: 5791
diff changeset
701
1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe]
jwe
parents: 5791
diff changeset
702 return retval;
1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe]
jwe
parents: 5791
diff changeset
703 }
1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe]
jwe
parents: 5791
diff changeset
704
1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe]
jwe
parents: 5791
diff changeset
705 octave_value
1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe]
jwe
parents: 5791
diff changeset
706 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
707 int nargout, const char *nm, bool empty_ok)
5794
1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe]
jwe
parents: 5791
diff changeset
708 {
1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe]
jwe
parents: 5791
diff changeset
709 octave_value retval;
1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe]
jwe
parents: 5791
diff changeset
710
5800
e8be7fe586f9 [project @ 2006-05-10 06:50:45 by jwe]
jwe
parents: 5794
diff changeset
711 int nargin = args.length ();
e8be7fe586f9 [project @ 2006-05-10 06:50:45 by jwe]
jwe
parents: 5794
diff changeset
712
e8be7fe586f9 [project @ 2006-05-10 06:50:45 by jwe]
jwe
parents: 5794
diff changeset
713 if (nargout > 0 || nargin == 0)
5794
1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe]
jwe
parents: 5791
diff changeset
714 retval = var;
1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe]
jwe
parents: 5791
diff changeset
715
10637
9cd5aa83fa62 implement 'local' parameter to pseudo-variables
Jaroslav Hajek <highegg@gmail.com>
parents: 10521
diff changeset
716 if (wants_local_change (args, nargin))
9cd5aa83fa62 implement 'local' parameter to pseudo-variables
Jaroslav Hajek <highegg@gmail.com>
parents: 10521
diff changeset
717 {
9cd5aa83fa62 implement 'local' parameter to pseudo-variables
Jaroslav Hajek <highegg@gmail.com>
parents: 10521
diff changeset
718 if (! try_local_protect (var))
23803
90689bdbe048 Use C++11 raw string literals to avoid escaping double quotes.
Rik <rik@octave.org>
parents: 23795
diff changeset
719 warning (R"("local" has no effect outside a function)");
10637
9cd5aa83fa62 implement 'local' parameter to pseudo-variables
Jaroslav Hajek <highegg@gmail.com>
parents: 10521
diff changeset
720 }
9cd5aa83fa62 implement 'local' parameter to pseudo-variables
Jaroslav Hajek <highegg@gmail.com>
parents: 10521
diff changeset
721
20939
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20925
diff changeset
722 if (nargin > 1)
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20925
diff changeset
723 print_usage ();
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20925
diff changeset
724
5794
1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe]
jwe
parents: 5791
diff changeset
725 if (nargin == 1)
1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe]
jwe
parents: 5791
diff changeset
726 {
20700
68e3a747ca02 rename octave_value value extractors that accept error message args
John W. Eaton <jwe@octave.org>
parents: 20581
diff changeset
727 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
728
21224
2e64b5899d1f maint: invert if/else/error pattern in variables.cc
Rik <rik@octave.org>
parents: 21200
diff changeset
729 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
730 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
731
2e64b5899d1f maint: invert if/else/error pattern in variables.cc
Rik <rik@octave.org>
parents: 21200
diff changeset
732 var = sval;
5791
70215aff5ccf [project @ 2006-05-04 18:38:45 by jwe]
jwe
parents: 5781
diff changeset
733 }
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
734
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
735 return retval;
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
736 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
737
10638
e1559a8a60b4 general mechanism for string enum variables
Jaroslav Hajek <highegg@gmail.com>
parents: 10637
diff changeset
738 octave_value
e1559a8a60b4 general mechanism for string enum variables
Jaroslav Hajek <highegg@gmail.com>
parents: 10637
diff changeset
739 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
740 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
741 {
e1559a8a60b4 general mechanism for string enum variables
Jaroslav Hajek <highegg@gmail.com>
parents: 10637
diff changeset
742 octave_value retval;
10640
5c594472f75e determine string enum length by trailing null rather than sizeof
Jaroslav Hajek <highegg@gmail.com>
parents: 10638
diff changeset
743 int nchoices = 0;
23795
980f39c3ab90 Use C++11 nullptr rather than 0 in code (bug #51565).
Rik <rik@octave.org>
parents: 23704
diff changeset
744 while (choices[nchoices] != nullptr)
10640
5c594472f75e determine string enum length by trailing null rather than sizeof
Jaroslav Hajek <highegg@gmail.com>
parents: 10638
diff changeset
745 nchoices++;
10638
e1559a8a60b4 general mechanism for string enum variables
Jaroslav Hajek <highegg@gmail.com>
parents: 10637
diff changeset
746
e1559a8a60b4 general mechanism for string enum variables
Jaroslav Hajek <highegg@gmail.com>
parents: 10637
diff changeset
747 int nargin = args.length ();
20799
c349d4c91ce2 eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents: 20769
diff changeset
748
10638
e1559a8a60b4 general mechanism for string enum variables
Jaroslav Hajek <highegg@gmail.com>
parents: 10637
diff changeset
749 assert (var < nchoices);
e1559a8a60b4 general mechanism for string enum variables
Jaroslav Hajek <highegg@gmail.com>
parents: 10637
diff changeset
750
e1559a8a60b4 general mechanism for string enum variables
Jaroslav Hajek <highegg@gmail.com>
parents: 10637
diff changeset
751 if (nargout > 0 || nargin == 0)
e1559a8a60b4 general mechanism for string enum variables
Jaroslav Hajek <highegg@gmail.com>
parents: 10637
diff changeset
752 retval = choices[var];
e1559a8a60b4 general mechanism for string enum variables
Jaroslav Hajek <highegg@gmail.com>
parents: 10637
diff changeset
753
e1559a8a60b4 general mechanism for string enum variables
Jaroslav Hajek <highegg@gmail.com>
parents: 10637
diff changeset
754 if (wants_local_change (args, nargin))
e1559a8a60b4 general mechanism for string enum variables
Jaroslav Hajek <highegg@gmail.com>
parents: 10637
diff changeset
755 {
e1559a8a60b4 general mechanism for string enum variables
Jaroslav Hajek <highegg@gmail.com>
parents: 10637
diff changeset
756 if (! try_local_protect (var))
23803
90689bdbe048 Use C++11 raw string literals to avoid escaping double quotes.
Rik <rik@octave.org>
parents: 23795
diff changeset
757 warning (R"("local" has no effect outside a function)");
10638
e1559a8a60b4 general mechanism for string enum variables
Jaroslav Hajek <highegg@gmail.com>
parents: 10637
diff changeset
758 }
e1559a8a60b4 general mechanism for string enum variables
Jaroslav Hajek <highegg@gmail.com>
parents: 10637
diff changeset
759
20939
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20925
diff changeset
760 if (nargin > 1)
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20925
diff changeset
761 print_usage ();
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20925
diff changeset
762
10638
e1559a8a60b4 general mechanism for string enum variables
Jaroslav Hajek <highegg@gmail.com>
parents: 10637
diff changeset
763 if (nargin == 1)
e1559a8a60b4 general mechanism for string enum variables
Jaroslav Hajek <highegg@gmail.com>
parents: 10637
diff changeset
764 {
20700
68e3a747ca02 rename octave_value value extractors that accept error message args
John W. Eaton <jwe@octave.org>
parents: 20581
diff changeset
765 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
766
fd0efcdb3718 use new string_value method to handle value extraction errors
John W. Eaton <jwe@octave.org>
parents: 20556
diff changeset
767 int i = 0;
fd0efcdb3718 use new string_value method to handle value extraction errors
John W. Eaton <jwe@octave.org>
parents: 20556
diff changeset
768 for (; i < nchoices; i++)
10638
e1559a8a60b4 general mechanism for string enum variables
Jaroslav Hajek <highegg@gmail.com>
parents: 10637
diff changeset
769 {
20581
fd0efcdb3718 use new string_value method to handle value extraction errors
John W. Eaton <jwe@octave.org>
parents: 20556
diff changeset
770 if (sval == choices[i])
10638
e1559a8a60b4 general mechanism for string enum variables
Jaroslav Hajek <highegg@gmail.com>
parents: 10637
diff changeset
771 {
20581
fd0efcdb3718 use new string_value method to handle value extraction errors
John W. Eaton <jwe@octave.org>
parents: 20556
diff changeset
772 var = i;
fd0efcdb3718 use new string_value method to handle value extraction errors
John W. Eaton <jwe@octave.org>
parents: 20556
diff changeset
773 break;
10638
e1559a8a60b4 general mechanism for string enum variables
Jaroslav Hajek <highegg@gmail.com>
parents: 10637
diff changeset
774 }
e1559a8a60b4 general mechanism for string enum variables
Jaroslav Hajek <highegg@gmail.com>
parents: 10637
diff changeset
775 }
20581
fd0efcdb3718 use new string_value method to handle value extraction errors
John W. Eaton <jwe@octave.org>
parents: 20556
diff changeset
776 if (i == nchoices)
23803
90689bdbe048 Use C++11 raw string literals to avoid escaping double quotes.
Rik <rik@octave.org>
parents: 23795
diff changeset
777 error (R"(%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
778 }
e1559a8a60b4 general mechanism for string enum variables
Jaroslav Hajek <highegg@gmail.com>
parents: 10637
diff changeset
779
e1559a8a60b4 general mechanism for string enum variables
Jaroslav Hajek <highegg@gmail.com>
parents: 10637
diff changeset
780 return retval;
e1559a8a60b4 general mechanism for string enum variables
Jaroslav Hajek <highegg@gmail.com>
parents: 10637
diff changeset
781 }
e1559a8a60b4 general mechanism for string enum variables
Jaroslav Hajek <highegg@gmail.com>
parents: 10637
diff changeset
782
21272
987c1a79d33f new set_internal_variable variant
John W. Eaton <jwe@octave.org>
parents: 21224
diff changeset
783 octave_value
987c1a79d33f new set_internal_variable variant
John W. Eaton <jwe@octave.org>
parents: 21224
diff changeset
784 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
785 int nargout, const char *nm, const char **choices)
987c1a79d33f new set_internal_variable variant
John W. Eaton <jwe@octave.org>
parents: 21224
diff changeset
786 {
987c1a79d33f new set_internal_variable variant
John W. Eaton <jwe@octave.org>
parents: 21224
diff changeset
787 octave_value retval;
987c1a79d33f new set_internal_variable variant
John W. Eaton <jwe@octave.org>
parents: 21224
diff changeset
788 int nchoices = 0;
23795
980f39c3ab90 Use C++11 nullptr rather than 0 in code (bug #51565).
Rik <rik@octave.org>
parents: 23704
diff changeset
789 while (choices[nchoices] != nullptr)
21272
987c1a79d33f new set_internal_variable variant
John W. Eaton <jwe@octave.org>
parents: 21224
diff changeset
790 nchoices++;
987c1a79d33f new set_internal_variable variant
John W. Eaton <jwe@octave.org>
parents: 21224
diff changeset
791
987c1a79d33f new set_internal_variable variant
John W. Eaton <jwe@octave.org>
parents: 21224
diff changeset
792 int nargin = args.length ();
987c1a79d33f new set_internal_variable variant
John W. Eaton <jwe@octave.org>
parents: 21224
diff changeset
793
987c1a79d33f new set_internal_variable variant
John W. Eaton <jwe@octave.org>
parents: 21224
diff changeset
794 if (nargout > 0 || nargin == 0)
987c1a79d33f new set_internal_variable variant
John W. Eaton <jwe@octave.org>
parents: 21224
diff changeset
795 retval = var;
987c1a79d33f new set_internal_variable variant
John W. Eaton <jwe@octave.org>
parents: 21224
diff changeset
796
987c1a79d33f new set_internal_variable variant
John W. Eaton <jwe@octave.org>
parents: 21224
diff changeset
797 if (wants_local_change (args, nargin))
987c1a79d33f new set_internal_variable variant
John W. Eaton <jwe@octave.org>
parents: 21224
diff changeset
798 {
987c1a79d33f new set_internal_variable variant
John W. Eaton <jwe@octave.org>
parents: 21224
diff changeset
799 if (! try_local_protect (var))
23803
90689bdbe048 Use C++11 raw string literals to avoid escaping double quotes.
Rik <rik@octave.org>
parents: 23795
diff changeset
800 warning (R"("local" has no effect outside a function)");
21272
987c1a79d33f new set_internal_variable variant
John W. Eaton <jwe@octave.org>
parents: 21224
diff changeset
801 }
987c1a79d33f new set_internal_variable variant
John W. Eaton <jwe@octave.org>
parents: 21224
diff changeset
802
987c1a79d33f new set_internal_variable variant
John W. Eaton <jwe@octave.org>
parents: 21224
diff changeset
803 if (nargin > 1)
987c1a79d33f new set_internal_variable variant
John W. Eaton <jwe@octave.org>
parents: 21224
diff changeset
804 print_usage ();
987c1a79d33f new set_internal_variable variant
John W. Eaton <jwe@octave.org>
parents: 21224
diff changeset
805
987c1a79d33f new set_internal_variable variant
John W. Eaton <jwe@octave.org>
parents: 21224
diff changeset
806 if (nargin == 1)
987c1a79d33f new set_internal_variable variant
John W. Eaton <jwe@octave.org>
parents: 21224
diff changeset
807 {
987c1a79d33f new set_internal_variable variant
John W. Eaton <jwe@octave.org>
parents: 21224
diff changeset
808 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
809
987c1a79d33f new set_internal_variable variant
John W. Eaton <jwe@octave.org>
parents: 21224
diff changeset
810 int i = 0;
987c1a79d33f new set_internal_variable variant
John W. Eaton <jwe@octave.org>
parents: 21224
diff changeset
811 for (; i < nchoices; i++)
987c1a79d33f new set_internal_variable variant
John W. Eaton <jwe@octave.org>
parents: 21224
diff changeset
812 {
987c1a79d33f new set_internal_variable variant
John W. Eaton <jwe@octave.org>
parents: 21224
diff changeset
813 if (sval == choices[i])
987c1a79d33f new set_internal_variable variant
John W. Eaton <jwe@octave.org>
parents: 21224
diff changeset
814 {
987c1a79d33f new set_internal_variable variant
John W. Eaton <jwe@octave.org>
parents: 21224
diff changeset
815 var = sval;
987c1a79d33f new set_internal_variable variant
John W. Eaton <jwe@octave.org>
parents: 21224
diff changeset
816 break;
987c1a79d33f new set_internal_variable variant
John W. Eaton <jwe@octave.org>
parents: 21224
diff changeset
817 }
987c1a79d33f new set_internal_variable variant
John W. Eaton <jwe@octave.org>
parents: 21224
diff changeset
818 }
987c1a79d33f new set_internal_variable variant
John W. Eaton <jwe@octave.org>
parents: 21224
diff changeset
819 if (i == nchoices)
23803
90689bdbe048 Use C++11 raw string literals to avoid escaping double quotes.
Rik <rik@octave.org>
parents: 23795
diff changeset
820 error (R"(%s: value not allowed ("%s"))", nm, sval.c_str ());
21272
987c1a79d33f new set_internal_variable variant
John W. Eaton <jwe@octave.org>
parents: 21224
diff changeset
821 }
987c1a79d33f new set_internal_variable variant
John W. Eaton <jwe@octave.org>
parents: 21224
diff changeset
822
987c1a79d33f new set_internal_variable variant
John W. Eaton <jwe@octave.org>
parents: 21224
diff changeset
823 return retval;
987c1a79d33f new set_internal_variable variant
John W. Eaton <jwe@octave.org>
parents: 21224
diff changeset
824 }
987c1a79d33f new set_internal_variable variant
John W. Eaton <jwe@octave.org>
parents: 21224
diff changeset
825
23553
14723784b9f2 don't use singleton for call_stack
John W. Eaton <jwe@octave.org>
parents: 23466
diff changeset
826 DEFMETHOD (mlock, interp, args, ,
14723784b9f2 don't use singleton for call_stack
John W. Eaton <jwe@octave.org>
parents: 23466
diff changeset
827 doc: /* -*- texinfo -*-
21966
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21885
diff changeset
828 @deftypefn {} {} mlock ()
26168
0a3561379dbe Clarify documentation around locking functions and clear.
Rik <rik@octave.org>
parents: 26167
diff changeset
829 Lock the current function into memory so that it can't be removed with
0a3561379dbe Clarify documentation around locking functions and clear.
Rik <rik@octave.org>
parents: 26167
diff changeset
830 @code{clear}.
0a3561379dbe Clarify documentation around locking functions and clear.
Rik <rik@octave.org>
parents: 26167
diff changeset
831 @seealso{munlock, mislocked, persistent, clear}
21966
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21885
diff changeset
832 @end deftypefn */)
4319
05973ead74eb [project @ 2003-02-13 21:03:04 by jwe]
jwe
parents: 4280
diff changeset
833 {
20799
c349d4c91ce2 eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents: 20769
diff changeset
834 if (args.length () != 0)
c349d4c91ce2 eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents: 20769
diff changeset
835 print_usage ();
c349d4c91ce2 eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents: 20769
diff changeset
836
27204
9a3e92d02a03 eliminate direct access to call stack in variables functions
John W. Eaton <jwe@octave.org>
parents: 27160
diff changeset
837 octave::tree_evaluator& tw = interp.get_evaluator ();
23553
14723784b9f2 don't use singleton for call_stack
John W. Eaton <jwe@octave.org>
parents: 23466
diff changeset
838
27204
9a3e92d02a03 eliminate direct access to call stack in variables functions
John W. Eaton <jwe@octave.org>
parents: 27160
diff changeset
839 octave_function *fcn = tw.caller_function ();
20799
c349d4c91ce2 eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents: 20769
diff changeset
840
20939
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20925
diff changeset
841 if (! fcn)
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20925
diff changeset
842 error ("mlock: invalid use outside a function");
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20925
diff changeset
843
20957
9db35d2042be maint: eliminate special cases of statements after error.
Rik <rik@octave.org>
parents: 20941
diff changeset
844 fcn->lock ();
20939
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20925
diff changeset
845
20941
a4f5da7c5463 maint: Replace "octave_value_list ()" with "ovl ()".
Rik <rik@octave.org>
parents: 20940
diff changeset
846 return ovl ();
4319
05973ead74eb [project @ 2003-02-13 21:03:04 by jwe]
jwe
parents: 4280
diff changeset
847 }
05973ead74eb [project @ 2003-02-13 21:03:04 by jwe]
jwe
parents: 4280
diff changeset
848
23553
14723784b9f2 don't use singleton for call_stack
John W. Eaton <jwe@octave.org>
parents: 23466
diff changeset
849 DEFMETHOD (munlock, interp, args, ,
14723784b9f2 don't use singleton for call_stack
John W. Eaton <jwe@octave.org>
parents: 23466
diff changeset
850 doc: /* -*- texinfo -*-
21966
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21885
diff changeset
851 @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
852 @deftypefnx {} {} munlock (@var{fcn})
26168
0a3561379dbe Clarify documentation around locking functions and clear.
Rik <rik@octave.org>
parents: 26167
diff changeset
853 Unlock the named function @var{fcn} so that it may be removed from memory with
0a3561379dbe Clarify documentation around locking functions and clear.
Rik <rik@octave.org>
parents: 26167
diff changeset
854 @code{clear}.
21966
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21885
diff changeset
855
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21885
diff changeset
856 If no function is named then unlock the current function.
26168
0a3561379dbe Clarify documentation around locking functions and clear.
Rik <rik@octave.org>
parents: 26167
diff changeset
857 @seealso{mlock, mislocked, persistent, clear}
21966
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21885
diff changeset
858 @end deftypefn */)
4319
05973ead74eb [project @ 2003-02-13 21:03:04 by jwe]
jwe
parents: 4280
diff changeset
859 {
20799
c349d4c91ce2 eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents: 20769
diff changeset
860 int nargin = args.length ();
c349d4c91ce2 eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents: 20769
diff changeset
861
c349d4c91ce2 eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents: 20769
diff changeset
862 if (nargin > 1)
c349d4c91ce2 eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents: 20769
diff changeset
863 print_usage ();
c349d4c91ce2 eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents: 20769
diff changeset
864
c349d4c91ce2 eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents: 20769
diff changeset
865 if (nargin == 1)
4319
05973ead74eb [project @ 2003-02-13 21:03:04 by jwe]
jwe
parents: 4280
diff changeset
866 {
20700
68e3a747ca02 rename octave_value value extractors that accept error message args
John W. Eaton <jwe@octave.org>
parents: 20581
diff changeset
867 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
868
23703
6eb5f6199a5a move mlock, munlock, and mislocked to interpreter class
John W. Eaton <jwe@octave.org>
parents: 23702
diff changeset
869 interp.munlock (name);
4319
05973ead74eb [project @ 2003-02-13 21:03:04 by jwe]
jwe
parents: 4280
diff changeset
870 }
20799
c349d4c91ce2 eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents: 20769
diff changeset
871 else
4319
05973ead74eb [project @ 2003-02-13 21:03:04 by jwe]
jwe
parents: 4280
diff changeset
872 {
27204
9a3e92d02a03 eliminate direct access to call stack in variables functions
John W. Eaton <jwe@octave.org>
parents: 27160
diff changeset
873 octave::tree_evaluator& tw = interp.get_evaluator ();
23553
14723784b9f2 don't use singleton for call_stack
John W. Eaton <jwe@octave.org>
parents: 23466
diff changeset
874
27204
9a3e92d02a03 eliminate direct access to call stack in variables functions
John W. Eaton <jwe@octave.org>
parents: 27160
diff changeset
875 octave_function *fcn = tw.caller_function ();
5743
a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe]
jwe
parents: 5685
diff changeset
876
20939
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20925
diff changeset
877 if (! fcn)
4319
05973ead74eb [project @ 2003-02-13 21:03:04 by jwe]
jwe
parents: 4280
diff changeset
878 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
879
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20925
diff changeset
880 fcn->unlock ();
4319
05973ead74eb [project @ 2003-02-13 21:03:04 by jwe]
jwe
parents: 4280
diff changeset
881 }
05973ead74eb [project @ 2003-02-13 21:03:04 by jwe]
jwe
parents: 4280
diff changeset
882
20941
a4f5da7c5463 maint: Replace "octave_value_list ()" with "ovl ()".
Rik <rik@octave.org>
parents: 20940
diff changeset
883 return ovl ();
4319
05973ead74eb [project @ 2003-02-13 21:03:04 by jwe]
jwe
parents: 4280
diff changeset
884 }
05973ead74eb [project @ 2003-02-13 21:03:04 by jwe]
jwe
parents: 4280
diff changeset
885
23553
14723784b9f2 don't use singleton for call_stack
John W. Eaton <jwe@octave.org>
parents: 23466
diff changeset
886 DEFMETHOD (mislocked, interp, args, ,
14723784b9f2 don't use singleton for call_stack
John W. Eaton <jwe@octave.org>
parents: 23466
diff changeset
887 doc: /* -*- texinfo -*-
21966
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21885
diff changeset
888 @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
889 @deftypefnx {} {} mislocked (@var{fcn})
26168
0a3561379dbe Clarify documentation around locking functions and clear.
Rik <rik@octave.org>
parents: 26167
diff changeset
890 Return true if the named function @var{fcn} is locked in memory.
21966
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21885
diff changeset
891
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21885
diff changeset
892 If no function is named then return true if the current function is locked.
26168
0a3561379dbe Clarify documentation around locking functions and clear.
Rik <rik@octave.org>
parents: 26167
diff changeset
893 @seealso{mlock, munlock, persistent, clear}
21966
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21885
diff changeset
894 @end deftypefn */)
4319
05973ead74eb [project @ 2003-02-13 21:03:04 by jwe]
jwe
parents: 4280
diff changeset
895 {
20799
c349d4c91ce2 eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents: 20769
diff changeset
896 int nargin = args.length ();
c349d4c91ce2 eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents: 20769
diff changeset
897
c349d4c91ce2 eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents: 20769
diff changeset
898 if (nargin > 1)
c349d4c91ce2 eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents: 20769
diff changeset
899 print_usage ();
c349d4c91ce2 eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents: 20769
diff changeset
900
20939
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20925
diff changeset
901 octave_value retval;
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20925
diff changeset
902
20799
c349d4c91ce2 eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents: 20769
diff changeset
903 if (nargin == 1)
4319
05973ead74eb [project @ 2003-02-13 21:03:04 by jwe]
jwe
parents: 4280
diff changeset
904 {
20700
68e3a747ca02 rename octave_value value extractors that accept error message args
John W. Eaton <jwe@octave.org>
parents: 20581
diff changeset
905 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
906
23703
6eb5f6199a5a move mlock, munlock, and mislocked to interpreter class
John W. Eaton <jwe@octave.org>
parents: 23702
diff changeset
907 retval = interp.mislocked (name);
4319
05973ead74eb [project @ 2003-02-13 21:03:04 by jwe]
jwe
parents: 4280
diff changeset
908 }
20799
c349d4c91ce2 eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents: 20769
diff changeset
909 else
4319
05973ead74eb [project @ 2003-02-13 21:03:04 by jwe]
jwe
parents: 4280
diff changeset
910 {
27204
9a3e92d02a03 eliminate direct access to call stack in variables functions
John W. Eaton <jwe@octave.org>
parents: 27160
diff changeset
911 octave::tree_evaluator& tw = interp.get_evaluator ();
23553
14723784b9f2 don't use singleton for call_stack
John W. Eaton <jwe@octave.org>
parents: 23466
diff changeset
912
27204
9a3e92d02a03 eliminate direct access to call stack in variables functions
John W. Eaton <jwe@octave.org>
parents: 27160
diff changeset
913 octave_function *fcn = tw.caller_function ();
5743
a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe]
jwe
parents: 5685
diff changeset
914
20939
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20925
diff changeset
915 if (! fcn)
4319
05973ead74eb [project @ 2003-02-13 21:03:04 by jwe]
jwe
parents: 4280
diff changeset
916 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
917
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20925
diff changeset
918 retval = fcn->islocked ();
4319
05973ead74eb [project @ 2003-02-13 21:03:04 by jwe]
jwe
parents: 4280
diff changeset
919 }
05973ead74eb [project @ 2003-02-13 21:03:04 by jwe]
jwe
parents: 4280
diff changeset
920
05973ead74eb [project @ 2003-02-13 21:03:04 by jwe]
jwe
parents: 4280
diff changeset
921 return retval;
05973ead74eb [project @ 2003-02-13 21:03:04 by jwe]
jwe
parents: 4280
diff changeset
922 }
05973ead74eb [project @ 2003-02-13 21:03:04 by jwe]
jwe
parents: 4280
diff changeset
923
593
6f948c6251a9 [project @ 1994-08-09 04:29:10 by jwe]
jwe
parents: 584
diff changeset
924 // Deleting names from the symbol tables.
6f948c6251a9 [project @ 1994-08-09 04:29:10 by jwe]
jwe
parents: 584
diff changeset
925
3681
df54d394acc0 [project @ 2000-06-26 17:46:58 by jwe]
jwe
parents: 3618
diff changeset
926 static inline bool
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11558
diff changeset
927 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
928 int argc, int idx, bool have_regexp = false)
3681
df54d394acc0 [project @ 2000-06-26 17:46:58 by jwe]
jwe
parents: 3618
diff changeset
929 {
df54d394acc0 [project @ 2000-06-26 17:46:58 by jwe]
jwe
parents: 3618
diff changeset
930 bool retval = false;
df54d394acc0 [project @ 2000-06-26 17:46:58 by jwe]
jwe
parents: 3618
diff changeset
931
df54d394acc0 [project @ 2000-06-26 17:46:58 by jwe]
jwe
parents: 3618
diff changeset
932 for (int k = idx; k < argc; k++)
df54d394acc0 [project @ 2000-06-26 17:46:58 by jwe]
jwe
parents: 3618
diff changeset
933 {
df54d394acc0 [project @ 2000-06-26 17:46:58 by jwe]
jwe
parents: 3618
diff changeset
934 std::string patstr = argv[k];
df54d394acc0 [project @ 2000-06-26 17:46:58 by jwe]
jwe
parents: 3618
diff changeset
935 if (! patstr.empty ())
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
936 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
937 if (have_regexp)
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
938 {
22333
2758af148ced move base_list and regexp classes to octave namespace
John W. Eaton <jwe@octave.org>
parents: 22327
diff changeset
939 if (octave::regexp::is_match (patstr, nm))
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
940 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
941 retval = true;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
942 break;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
943 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
944 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
945 else
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
946 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
947 glob_match pattern (patstr);
7779
791231dac333 Add regexp matching to Fwho and Fclear
David Bateman <dbateman@free.fr>
parents: 7761
diff changeset
948
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
949 if (pattern.match (nm))
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
950 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
951 retval = true;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
952 break;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
953 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
954 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
955 }
3681
df54d394acc0 [project @ 2000-06-26 17:46:58 by jwe]
jwe
parents: 3618
diff changeset
956 }
df54d394acc0 [project @ 2000-06-26 17:46:58 by jwe]
jwe
parents: 3618
diff changeset
957
df54d394acc0 [project @ 2000-06-26 17:46:58 by jwe]
jwe
parents: 3618
diff changeset
958 return retval;
df54d394acc0 [project @ 2000-06-26 17:46:58 by jwe]
jwe
parents: 3618
diff changeset
959 }
df54d394acc0 [project @ 2000-06-26 17:46:58 by jwe]
jwe
parents: 3618
diff changeset
960
4009
27e461aed956 [project @ 2002-07-31 09:33:03 by jwe]
jwe
parents: 3968
diff changeset
961 static inline void
27e461aed956 [project @ 2002-07-31 09:33:03 by jwe]
jwe
parents: 3968
diff changeset
962 maybe_warn_exclusive (bool exclusive)
27e461aed956 [project @ 2002-07-31 09:33:03 by jwe]
jwe
parents: 3968
diff changeset
963 {
27e461aed956 [project @ 2002-07-31 09:33:03 by jwe]
jwe
parents: 3968
diff changeset
964 if (exclusive)
27e461aed956 [project @ 2002-07-31 09:33:03 by jwe]
jwe
parents: 3968
diff changeset
965 warning ("clear: ignoring --exclusive option");
27e461aed956 [project @ 2002-07-31 09:33:03 by jwe]
jwe
parents: 3968
diff changeset
966 }
27e461aed956 [project @ 2002-07-31 09:33:03 by jwe]
jwe
parents: 3968
diff changeset
967
7336
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe]
jwe
parents: 7065
diff changeset
968 static void
26661
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents: 26446
diff changeset
969 do_clear_functions (octave::interpreter& interp,
23701
a6e49930ddd2 avoid some global access to interpreter and symbol table
John W. Eaton <jwe@octave.org>
parents: 23699
diff changeset
970 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
971 bool exclusive = false)
4009
27e461aed956 [project @ 2002-07-31 09:33:03 by jwe]
jwe
parents: 3968
diff changeset
972 {
27e461aed956 [project @ 2002-07-31 09:33:03 by jwe]
jwe
parents: 3968
diff changeset
973 if (idx == argc)
26661
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents: 26446
diff changeset
974 interp.clear_functions ();
4009
27e461aed956 [project @ 2002-07-31 09:33:03 by jwe]
jwe
parents: 3968
diff changeset
975 else
27e461aed956 [project @ 2002-07-31 09:33:03 by jwe]
jwe
parents: 3968
diff changeset
976 {
27e461aed956 [project @ 2002-07-31 09:33:03 by jwe]
jwe
parents: 3968
diff changeset
977 if (exclusive)
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
978 {
26661
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents: 26446
diff changeset
979 std::list<std::string> fcns = interp.user_function_names ();
4009
27e461aed956 [project @ 2002-07-31 09:33:03 by jwe]
jwe
parents: 3968
diff changeset
980
26661
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents: 26446
diff changeset
981 for (const auto& name : fcns)
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
982 {
26661
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents: 26446
diff changeset
983 if (! name_matches_any_pattern (name, argv, argc, idx))
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents: 26446
diff changeset
984 interp.clear_function (name);
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
985 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
986 }
4009
27e461aed956 [project @ 2002-07-31 09:33:03 by jwe]
jwe
parents: 3968
diff changeset
987 else
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
988 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
989 while (idx < argc)
26661
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents: 26446
diff changeset
990 interp.clear_function_pattern (argv[idx++]);
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
991 }
4009
27e461aed956 [project @ 2002-07-31 09:33:03 by jwe]
jwe
parents: 3968
diff changeset
992 }
27e461aed956 [project @ 2002-07-31 09:33:03 by jwe]
jwe
parents: 3968
diff changeset
993 }
27e461aed956 [project @ 2002-07-31 09:33:03 by jwe]
jwe
parents: 3968
diff changeset
994
7336
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe]
jwe
parents: 7065
diff changeset
995 static void
26661
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents: 26446
diff changeset
996 do_clear_globals (octave::interpreter& interp,
23701
a6e49930ddd2 avoid some global access to interpreter and symbol table
John W. Eaton <jwe@octave.org>
parents: 23699
diff changeset
997 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
998 bool exclusive = false)
4009
27e461aed956 [project @ 2002-07-31 09:33:03 by jwe]
jwe
parents: 3968
diff changeset
999 {
27e461aed956 [project @ 2002-07-31 09:33:03 by jwe]
jwe
parents: 3968
diff changeset
1000 if (idx == argc)
7752
40c428ea3408 initial implementation of dbup and dbdown
John W. Eaton <jwe@octave.org>
parents: 7626
diff changeset
1001 {
26661
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents: 26446
diff changeset
1002 std::list<std::string> gvars = interp.global_variable_names ();
7752
40c428ea3408 initial implementation of dbup and dbdown
John W. Eaton <jwe@octave.org>
parents: 7626
diff changeset
1003
26661
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents: 26446
diff changeset
1004 for (const auto& name : gvars)
24352
bff8e3884a88 restructure global variable handling in symbol table
John W. Eaton <jwe@octave.org>
parents: 24270
diff changeset
1005 {
26661
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents: 26446
diff changeset
1006 interp.clear_variable (name);
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents: 26446
diff changeset
1007 interp.clear_global_variable (name);
24352
bff8e3884a88 restructure global variable handling in symbol table
John W. Eaton <jwe@octave.org>
parents: 24270
diff changeset
1008 }
7752
40c428ea3408 initial implementation of dbup and dbdown
John W. Eaton <jwe@octave.org>
parents: 7626
diff changeset
1009 }
4009
27e461aed956 [project @ 2002-07-31 09:33:03 by jwe]
jwe
parents: 3968
diff changeset
1010 else
27e461aed956 [project @ 2002-07-31 09:33:03 by jwe]
jwe
parents: 3968
diff changeset
1011 {
27e461aed956 [project @ 2002-07-31 09:33:03 by jwe]
jwe
parents: 3968
diff changeset
1012 if (exclusive)
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
1013 {
26661
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents: 26446
diff changeset
1014 std::list<std::string> gvars = interp.global_variable_names ();
4009
27e461aed956 [project @ 2002-07-31 09:33:03 by jwe]
jwe
parents: 3968
diff changeset
1015
26661
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents: 26446
diff changeset
1016 for (const auto& name : gvars)
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
1017 {
24352
bff8e3884a88 restructure global variable handling in symbol table
John W. Eaton <jwe@octave.org>
parents: 24270
diff changeset
1018 if (! name_matches_any_pattern (name, argv, argc, idx))
bff8e3884a88 restructure global variable handling in symbol table
John W. Eaton <jwe@octave.org>
parents: 24270
diff changeset
1019 {
26661
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents: 26446
diff changeset
1020 interp.clear_variable (name);
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents: 26446
diff changeset
1021 interp.clear_global_variable (name);
24352
bff8e3884a88 restructure global variable handling in symbol table
John W. Eaton <jwe@octave.org>
parents: 24270
diff changeset
1022 }
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
1023 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
1024 }
4009
27e461aed956 [project @ 2002-07-31 09:33:03 by jwe]
jwe
parents: 3968
diff changeset
1025 else
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
1026 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
1027 while (idx < argc)
24352
bff8e3884a88 restructure global variable handling in symbol table
John W. Eaton <jwe@octave.org>
parents: 24270
diff changeset
1028 {
bff8e3884a88 restructure global variable handling in symbol table
John W. Eaton <jwe@octave.org>
parents: 24270
diff changeset
1029 std::string pattern = argv[idx++];
bff8e3884a88 restructure global variable handling in symbol table
John W. Eaton <jwe@octave.org>
parents: 24270
diff changeset
1030
26661
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents: 26446
diff changeset
1031 interp.clear_variable_pattern (pattern);
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents: 26446
diff changeset
1032 interp.clear_global_variable_pattern (pattern);
24352
bff8e3884a88 restructure global variable handling in symbol table
John W. Eaton <jwe@octave.org>
parents: 24270
diff changeset
1033 }
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
1034 }
4009
27e461aed956 [project @ 2002-07-31 09:33:03 by jwe]
jwe
parents: 3968
diff changeset
1035 }
27e461aed956 [project @ 2002-07-31 09:33:03 by jwe]
jwe
parents: 3968
diff changeset
1036 }
27e461aed956 [project @ 2002-07-31 09:33:03 by jwe]
jwe
parents: 3968
diff changeset
1037
7336
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe]
jwe
parents: 7065
diff changeset
1038 static void
26661
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents: 26446
diff changeset
1039 do_clear_variables (octave::interpreter& interp,
23701
a6e49930ddd2 avoid some global access to interpreter and symbol table
John W. Eaton <jwe@octave.org>
parents: 23699
diff changeset
1040 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
1041 bool exclusive = false, bool have_regexp = false)
4009
27e461aed956 [project @ 2002-07-31 09:33:03 by jwe]
jwe
parents: 3968
diff changeset
1042 {
27e461aed956 [project @ 2002-07-31 09:33:03 by jwe]
jwe
parents: 3968
diff changeset
1043 if (idx == argc)
26661
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents: 26446
diff changeset
1044 interp.clear_variables ();
4009
27e461aed956 [project @ 2002-07-31 09:33:03 by jwe]
jwe
parents: 3968
diff changeset
1045 else
27e461aed956 [project @ 2002-07-31 09:33:03 by jwe]
jwe
parents: 3968
diff changeset
1046 {
27e461aed956 [project @ 2002-07-31 09:33:03 by jwe]
jwe
parents: 3968
diff changeset
1047 if (exclusive)
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
1048 {
26661
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents: 26446
diff changeset
1049 std::list<std::string> lvars = interp.variable_names ();
4009
27e461aed956 [project @ 2002-07-31 09:33:03 by jwe]
jwe
parents: 3968
diff changeset
1050
26661
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents: 26446
diff changeset
1051 for (const auto& name : lvars)
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
1052 {
26661
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents: 26446
diff changeset
1053 if (! name_matches_any_pattern (name, argv, argc, idx,
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents: 26446
diff changeset
1054 have_regexp))
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents: 26446
diff changeset
1055 interp.clear_variable (name);
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
1056 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
1057 }
4009
27e461aed956 [project @ 2002-07-31 09:33:03 by jwe]
jwe
parents: 3968
diff changeset
1058 else
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
1059 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
1060 if (have_regexp)
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
1061 while (idx < argc)
26661
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents: 26446
diff changeset
1062 interp.clear_variable_regexp (argv[idx++]);
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
1063 else
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
1064 while (idx < argc)
26661
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents: 26446
diff changeset
1065 interp.clear_variable_pattern (argv[idx++]);
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
1066 }
4009
27e461aed956 [project @ 2002-07-31 09:33:03 by jwe]
jwe
parents: 3968
diff changeset
1067 }
27e461aed956 [project @ 2002-07-31 09:33:03 by jwe]
jwe
parents: 3968
diff changeset
1068 }
27e461aed956 [project @ 2002-07-31 09:33:03 by jwe]
jwe
parents: 3968
diff changeset
1069
7336
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe]
jwe
parents: 7065
diff changeset
1070 static void
26661
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents: 26446
diff changeset
1071 do_clear_symbols (octave::interpreter& interp,
23701
a6e49930ddd2 avoid some global access to interpreter and symbol table
John W. Eaton <jwe@octave.org>
parents: 23699
diff changeset
1072 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
1073 bool exclusive = false)
4009
27e461aed956 [project @ 2002-07-31 09:33:03 by jwe]
jwe
parents: 3968
diff changeset
1074 {
27e461aed956 [project @ 2002-07-31 09:33:03 by jwe]
jwe
parents: 3968
diff changeset
1075 if (idx == argc)
23611
91c8f006ed8b remove additional functions from symbol_table class
John W. Eaton <jwe@octave.org>
parents: 23604
diff changeset
1076 {
26661
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents: 26446
diff changeset
1077 interp.clear_variables ();
23611
91c8f006ed8b remove additional functions from symbol_table class
John W. Eaton <jwe@octave.org>
parents: 23604
diff changeset
1078 }
4009
27e461aed956 [project @ 2002-07-31 09:33:03 by jwe]
jwe
parents: 3968
diff changeset
1079 else
27e461aed956 [project @ 2002-07-31 09:33:03 by jwe]
jwe
parents: 3968
diff changeset
1080 {
27e461aed956 [project @ 2002-07-31 09:33:03 by jwe]
jwe
parents: 3968
diff changeset
1081 if (exclusive)
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
1082 {
17787
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17756
diff changeset
1083 // 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
1084 // 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
1085 // 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
1086 // bit harder to do.
4009
27e461aed956 [project @ 2002-07-31 09:33:03 by jwe]
jwe
parents: 3968
diff changeset
1087
26661
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents: 26446
diff changeset
1088 do_clear_variables (interp, argv, argc, idx, exclusive);
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents: 26446
diff changeset
1089 do_clear_functions (interp, argv, argc, idx, exclusive);
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
1090 }
4009
27e461aed956 [project @ 2002-07-31 09:33:03 by jwe]
jwe
parents: 3968
diff changeset
1091 else
10315
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 while (idx < argc)
26661
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents: 26446
diff changeset
1094 interp.clear_symbol_pattern (argv[idx++]);
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
1095 }
4009
27e461aed956 [project @ 2002-07-31 09:33:03 by jwe]
jwe
parents: 3968
diff changeset
1096 }
27e461aed956 [project @ 2002-07-31 09:33:03 by jwe]
jwe
parents: 3968
diff changeset
1097 }
27e461aed956 [project @ 2002-07-31 09:33:03 by jwe]
jwe
parents: 3968
diff changeset
1098
27e461aed956 [project @ 2002-07-31 09:33:03 by jwe]
jwe
parents: 3968
diff changeset
1099 static void
26661
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents: 26446
diff changeset
1100 do_matlab_compatible_clear (octave::interpreter& interp,
23701
a6e49930ddd2 avoid some global access to interpreter and symbol table
John W. Eaton <jwe@octave.org>
parents: 23699
diff changeset
1101 const string_vector& argv, int argc, int idx)
4009
27e461aed956 [project @ 2002-07-31 09:33:03 by jwe]
jwe
parents: 3968
diff changeset
1102 {
27e461aed956 [project @ 2002-07-31 09:33:03 by jwe]
jwe
parents: 3968
diff changeset
1103 // This is supposed to be mostly Matlab compatible.
27e461aed956 [project @ 2002-07-31 09:33:03 by jwe]
jwe
parents: 3968
diff changeset
1104
27e461aed956 [project @ 2002-07-31 09:33:03 by jwe]
jwe
parents: 3968
diff changeset
1105 for (; idx < argc; idx++)
27e461aed956 [project @ 2002-07-31 09:33:03 by jwe]
jwe
parents: 3968
diff changeset
1106 {
26661
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents: 26446
diff changeset
1107 if (argv[idx] == "all" && ! interp.is_local_variable ("all"))
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
1108 {
26661
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents: 26446
diff changeset
1109 interp.clear_all ();
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
1110 }
7336
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe]
jwe
parents: 7065
diff changeset
1111 else if (argv[idx] == "functions"
26661
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents: 26446
diff changeset
1112 && ! interp.is_local_variable ("functions"))
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
1113 {
26661
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents: 26446
diff changeset
1114 do_clear_functions (interp, argv, argc, ++idx);
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
1115 }
7336
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe]
jwe
parents: 7065
diff changeset
1116 else if (argv[idx] == "global"
26661
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents: 26446
diff changeset
1117 && ! interp.is_local_variable ("global"))
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
1118 {
26661
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents: 26446
diff changeset
1119 do_clear_globals (interp, argv, argc, ++idx);
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
1120 }
7336
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe]
jwe
parents: 7065
diff changeset
1121 else if (argv[idx] == "variables"
26661
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents: 26446
diff changeset
1122 && ! interp.is_local_variable ("variables"))
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
1123 {
26661
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents: 26446
diff changeset
1124 interp.clear_variables ();
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
1125 }
9240
f27a8c07f0b2 clear -classes and support.
Robert T. Short <octave@phaselockedsystems.com>
parents: 9180
diff changeset
1126 else if (argv[idx] == "classes"
26661
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents: 26446
diff changeset
1127 && ! interp.is_local_variable ("classes"))
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
1128 {
26661
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents: 26446
diff changeset
1129 interp.clear_objects ();
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
1130 octave_class::clear_exemplar_map ();
26661
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents: 26446
diff changeset
1131 interp.clear_all ();
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
1132 }
4009
27e461aed956 [project @ 2002-07-31 09:33:03 by jwe]
jwe
parents: 3968
diff changeset
1133 else
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
1134 {
26661
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents: 26446
diff changeset
1135 interp.clear_symbol_pattern (argv[idx]);
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
1136 }
4009
27e461aed956 [project @ 2002-07-31 09:33:03 by jwe]
jwe
parents: 3968
diff changeset
1137 }
27e461aed956 [project @ 2002-07-31 09:33:03 by jwe]
jwe
parents: 3968
diff changeset
1138 }
27e461aed956 [project @ 2002-07-31 09:33:03 by jwe]
jwe
parents: 3968
diff changeset
1139
23599
5cb3a2bb5e1e don't use singleton for symbol_table
John W. Eaton <jwe@octave.org>
parents: 23587
diff changeset
1140 DEFMETHOD (clear, interp, args, ,
5cb3a2bb5e1e don't use singleton for symbol_table
John W. Eaton <jwe@octave.org>
parents: 23587
diff changeset
1141 doc: /* -*- texinfo -*-
26167
247126168d23 Don't remove globals when 'clear' called without arguments (bug #39790).
Julien Bect <julien.bect@supelec.fr>
parents: 26113
diff changeset
1142 @deftypefn {} {} clear
247126168d23 Don't remove globals when 'clear' called without arguments (bug #39790).
Julien Bect <julien.bect@supelec.fr>
parents: 26113
diff changeset
1143 @deftypefnx {} {} clear @var{pattern} @dots{}
247126168d23 Don't remove globals when 'clear' called without arguments (bug #39790).
Julien Bect <julien.bect@supelec.fr>
parents: 26113
diff changeset
1144 @deftypefnx {} {} clear @var{options} @var{pattern} @dots{}
247126168d23 Don't remove globals when 'clear' called without arguments (bug #39790).
Julien Bect <julien.bect@supelec.fr>
parents: 26113
diff changeset
1145 Delete the names matching the given @var{pattern}s from the symbol table.
21966
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21885
diff changeset
1146
26167
247126168d23 Don't remove globals when 'clear' called without arguments (bug #39790).
Julien Bect <julien.bect@supelec.fr>
parents: 26113
diff changeset
1147 The @var{pattern} may contain the following special characters:
21966
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21885
diff changeset
1148
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21885
diff changeset
1149 @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
1150 @item ?
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21885
diff changeset
1151 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
1152
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21885
diff changeset
1153 @item *
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21885
diff changeset
1154 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
1155
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21885
diff changeset
1156 @item [ @var{list} ]
26167
247126168d23 Don't remove globals when 'clear' called without arguments (bug #39790).
Julien Bect <julien.bect@supelec.fr>
parents: 26113
diff changeset
1157 Match the list of characters specified by @var{list}. If the first character
247126168d23 Don't remove globals when 'clear' called without arguments (bug #39790).
Julien Bect <julien.bect@supelec.fr>
parents: 26113
diff changeset
1158 is @code{!} or @code{^}, match all characters except those specified by
247126168d23 Don't remove globals when 'clear' called without arguments (bug #39790).
Julien Bect <julien.bect@supelec.fr>
parents: 26113
diff changeset
1159 @var{list}. For example, the pattern @code{[a-zA-Z]} will match all lowercase
247126168d23 Don't remove globals when 'clear' called without arguments (bug #39790).
Julien Bect <julien.bect@supelec.fr>
parents: 26113
diff changeset
1160 and uppercase alphabetic characters.
21966
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21885
diff changeset
1161 @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
1162
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21885
diff changeset
1163 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
1164
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21885
diff changeset
1165 @example
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21885
diff changeset
1166 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
1167 @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
1168
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21885
diff changeset
1169 @noindent
26169
096b38cac97f Improve input validation to reject multiple options for clear (bug #53565).
Rik <rik@octave.org>
parents: 26168
diff changeset
1170 clears the name @code{foo} and all names that begin with the letter @samp{b}
096b38cac97f Improve input validation to reject multiple options for clear (bug #53565).
Rik <rik@octave.org>
parents: 26168
diff changeset
1171 and end with the letter @samp{r}.
21966
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21885
diff changeset
1172
26167
247126168d23 Don't remove globals when 'clear' called without arguments (bug #39790).
Julien Bect <julien.bect@supelec.fr>
parents: 26113
diff changeset
1173 If @code{clear} is called without any arguments, all user-defined variables
247126168d23 Don't remove globals when 'clear' called without arguments (bug #39790).
Julien Bect <julien.bect@supelec.fr>
parents: 26113
diff changeset
1174 are cleared from the current workspace (i.e., local variables). Any global
247126168d23 Don't remove globals when 'clear' called without arguments (bug #39790).
Julien Bect <julien.bect@supelec.fr>
parents: 26113
diff changeset
1175 variables present will no longer be visible in the current workspace, but they
247126168d23 Don't remove globals when 'clear' called without arguments (bug #39790).
Julien Bect <julien.bect@supelec.fr>
parents: 26113
diff changeset
1176 will continue to exist in the global workspace. Functions are unaffected by
247126168d23 Don't remove globals when 'clear' called without arguments (bug #39790).
Julien Bect <julien.bect@supelec.fr>
parents: 26113
diff changeset
1177 this form of @code{clear}.
21966
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21885
diff changeset
1178
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21885
diff changeset
1179 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
1180
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21885
diff changeset
1181 @table @code
26167
247126168d23 Don't remove globals when 'clear' called without arguments (bug #39790).
Julien Bect <julien.bect@supelec.fr>
parents: 26113
diff changeset
1182 @item all, -all, -a
247126168d23 Don't remove globals when 'clear' called without arguments (bug #39790).
Julien Bect <julien.bect@supelec.fr>
parents: 26113
diff changeset
1183 Clear all local and global user-defined variables, and all functions from the
21966
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21885
diff changeset
1184 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
1185
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21885
diff changeset
1186 @item -exclusive, -x
26167
247126168d23 Don't remove globals when 'clear' called without arguments (bug #39790).
Julien Bect <julien.bect@supelec.fr>
parents: 26113
diff changeset
1187 Clear variables that do @strong{not} match the following pattern.
21966
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21885
diff changeset
1188
26167
247126168d23 Don't remove globals when 'clear' called without arguments (bug #39790).
Julien Bect <julien.bect@supelec.fr>
parents: 26113
diff changeset
1189 @item functions, -functions, -f
26169
096b38cac97f Improve input validation to reject multiple options for clear (bug #53565).
Rik <rik@octave.org>
parents: 26168
diff changeset
1190 Clear function names from the function symbol table. Persistent variables
096b38cac97f Improve input validation to reject multiple options for clear (bug #53565).
Rik <rik@octave.org>
parents: 26168
diff changeset
1191 will be re-initialized to their default value unless the function has been
096b38cac97f Improve input validation to reject multiple options for clear (bug #53565).
Rik <rik@octave.org>
parents: 26168
diff changeset
1192 locked in memory with @code{mlock}.
21966
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21885
diff changeset
1193
26167
247126168d23 Don't remove globals when 'clear' called without arguments (bug #39790).
Julien Bect <julien.bect@supelec.fr>
parents: 26113
diff changeset
1194 @item global, -global, -g
247126168d23 Don't remove globals when 'clear' called without arguments (bug #39790).
Julien Bect <julien.bect@supelec.fr>
parents: 26113
diff changeset
1195 Clear global variable names.
21966
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21885
diff changeset
1196
26167
247126168d23 Don't remove globals when 'clear' called without arguments (bug #39790).
Julien Bect <julien.bect@supelec.fr>
parents: 26113
diff changeset
1197 @item variables, -variables, -v
21966
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21885
diff changeset
1198 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
1199
26167
247126168d23 Don't remove globals when 'clear' called without arguments (bug #39790).
Julien Bect <julien.bect@supelec.fr>
parents: 26113
diff changeset
1200 @item classes, -classes, -c
247126168d23 Don't remove globals when 'clear' called without arguments (bug #39790).
Julien Bect <julien.bect@supelec.fr>
parents: 26113
diff changeset
1201 Clear the class structure table and all objects.
21966
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21885
diff changeset
1202
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21885
diff changeset
1203 @item -regexp, -r
26167
247126168d23 Don't remove globals when 'clear' called without arguments (bug #39790).
Julien Bect <julien.bect@supelec.fr>
parents: 26113
diff changeset
1204 The @var{pattern} arguments are treated as regular expressions and any matches
247126168d23 Don't remove globals when 'clear' called without arguments (bug #39790).
Julien Bect <julien.bect@supelec.fr>
parents: 26113
diff changeset
1205 will be cleared.
21966
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21885
diff changeset
1206 @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
1207
26167
247126168d23 Don't remove globals when 'clear' called without arguments (bug #39790).
Julien Bect <julien.bect@supelec.fr>
parents: 26113
diff changeset
1208 With the exception of @option{-exclusive} and @option{-regexp}, all long
26169
096b38cac97f Improve input validation to reject multiple options for clear (bug #53565).
Rik <rik@octave.org>
parents: 26168
diff changeset
1209 options can be used without the dash as well. Note that, aside from
096b38cac97f Improve input validation to reject multiple options for clear (bug #53565).
Rik <rik@octave.org>
parents: 26168
diff changeset
1210 @option{-exclusive}, only one other option may appear. All options must
096b38cac97f Improve input validation to reject multiple options for clear (bug #53565).
Rik <rik@octave.org>
parents: 26168
diff changeset
1211 appear before any patterns.
26167
247126168d23 Don't remove globals when 'clear' called without arguments (bug #39790).
Julien Bect <julien.bect@supelec.fr>
parents: 26113
diff changeset
1212
247126168d23 Don't remove globals when 'clear' called without arguments (bug #39790).
Julien Bect <julien.bect@supelec.fr>
parents: 26113
diff changeset
1213 Programming Note: The command @code{clear @var{name}} only clears the variable
247126168d23 Don't remove globals when 'clear' called without arguments (bug #39790).
Julien Bect <julien.bect@supelec.fr>
parents: 26113
diff changeset
1214 @var{name} when both a variable and a (shadowed) function named @var{name}
247126168d23 Don't remove globals when 'clear' called without arguments (bug #39790).
Julien Bect <julien.bect@supelec.fr>
parents: 26113
diff changeset
1215 are currently defined. For example, suppose you have defined a function
247126168d23 Don't remove globals when 'clear' called without arguments (bug #39790).
Julien Bect <julien.bect@supelec.fr>
parents: 26113
diff changeset
1216 @code{foo}, and then hidden it by performing the assignment @code{foo = 2}.
247126168d23 Don't remove globals when 'clear' called without arguments (bug #39790).
Julien Bect <julien.bect@supelec.fr>
parents: 26113
diff changeset
1217 Executing the command @code{clear foo} once will clear the variable
247126168d23 Don't remove globals when 'clear' called without arguments (bug #39790).
Julien Bect <julien.bect@supelec.fr>
parents: 26113
diff changeset
1218 definition and restore the definition of @code{foo} as a function.
247126168d23 Don't remove globals when 'clear' called without arguments (bug #39790).
Julien Bect <julien.bect@supelec.fr>
parents: 26113
diff changeset
1219 Executing @code{clear foo} a second time will clear the function definition.
247126168d23 Don't remove globals when 'clear' called without arguments (bug #39790).
Julien Bect <julien.bect@supelec.fr>
parents: 26113
diff changeset
1220
26169
096b38cac97f Improve input validation to reject multiple options for clear (bug #53565).
Rik <rik@octave.org>
parents: 26168
diff changeset
1221 @seealso{who, whos, exist, mlock}
21966
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21885
diff changeset
1222 @end deftypefn */)
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 506
diff changeset
1223 {
1755
3a9462b655f1 [project @ 1996-01-22 04:47:22 by jwe]
jwe
parents: 1742
diff changeset
1224 int argc = args.length () + 1;
593
6f948c6251a9 [project @ 1994-08-09 04:29:10 by jwe]
jwe
parents: 584
diff changeset
1225
1968
a2e206524aa0 [project @ 1996-02-17 02:54:24 by jwe]
jwe
parents: 1957
diff changeset
1226 string_vector argv = args.make_argv ("clear");
1755
3a9462b655f1 [project @ 1996-01-22 04:47:22 by jwe]
jwe
parents: 1742
diff changeset
1227
20556
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20535
diff changeset
1228 if (argc == 1)
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20535
diff changeset
1229 {
26661
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents: 26446
diff changeset
1230 do_clear_variables (interp, argv, argc, true);
20556
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20535
diff changeset
1231
27263
99aa1bcb8848 rename octave_link and octave_link_events classes, move inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 27261
diff changeset
1232 octave::event_manager& evmgr = interp.get_event_manager ();
27261
dccdc3b001a2 eliminate static functions from octave_link class
John W. Eaton <jwe@octave.org>
parents: 27204
diff changeset
1233
27263
99aa1bcb8848 rename octave_link and octave_link_events classes, move inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 27261
diff changeset
1234 evmgr.clear_workspace ();
20556
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20535
diff changeset
1235 }
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20535
diff changeset
1236 else
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 506
diff changeset
1237 {
20556
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20535
diff changeset
1238 int idx = 0;
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20535
diff changeset
1239
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20535
diff changeset
1240 bool clear_all = false;
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20535
diff changeset
1241 bool clear_functions = false;
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20535
diff changeset
1242 bool clear_globals = false;
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20535
diff changeset
1243 bool clear_variables = false;
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20535
diff changeset
1244 bool clear_objects = false;
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20535
diff changeset
1245 bool exclusive = false;
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20535
diff changeset
1246 bool have_regexp = false;
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20535
diff changeset
1247 bool have_dash_option = false;
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20535
diff changeset
1248
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20535
diff changeset
1249 while (++idx < argc)
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
1250 {
20556
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20535
diff changeset
1251 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
1252 {
26169
096b38cac97f Improve input validation to reject multiple options for clear (bug #53565).
Rik <rik@octave.org>
parents: 26168
diff changeset
1253 if (have_dash_option)
096b38cac97f Improve input validation to reject multiple options for clear (bug #53565).
Rik <rik@octave.org>
parents: 26168
diff changeset
1254 print_usage ();
20556
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20535
diff changeset
1255
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20535
diff changeset
1256 have_dash_option = true;
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20535
diff changeset
1257 clear_all = true;
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20535
diff changeset
1258 }
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20535
diff changeset
1259 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
1260 {
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20535
diff changeset
1261 exclusive = true;
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20535
diff changeset
1262 }
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20535
diff changeset
1263 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
1264 {
26169
096b38cac97f Improve input validation to reject multiple options for clear (bug #53565).
Rik <rik@octave.org>
parents: 26168
diff changeset
1265 if (have_dash_option)
096b38cac97f Improve input validation to reject multiple options for clear (bug #53565).
Rik <rik@octave.org>
parents: 26168
diff changeset
1266 print_usage ();
20556
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20535
diff changeset
1267
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20535
diff changeset
1268 have_dash_option = true;
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20535
diff changeset
1269 clear_functions = true;
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20535
diff changeset
1270 }
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20535
diff changeset
1271 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
1272 {
26169
096b38cac97f Improve input validation to reject multiple options for clear (bug #53565).
Rik <rik@octave.org>
parents: 26168
diff changeset
1273 if (have_dash_option)
096b38cac97f Improve input validation to reject multiple options for clear (bug #53565).
Rik <rik@octave.org>
parents: 26168
diff changeset
1274 print_usage ();
20556
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20535
diff changeset
1275
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20535
diff changeset
1276 have_dash_option = true;
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20535
diff changeset
1277 clear_globals = true;
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20535
diff changeset
1278 }
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20535
diff changeset
1279 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
1280 {
26169
096b38cac97f Improve input validation to reject multiple options for clear (bug #53565).
Rik <rik@octave.org>
parents: 26168
diff changeset
1281 if (have_dash_option)
096b38cac97f Improve input validation to reject multiple options for clear (bug #53565).
Rik <rik@octave.org>
parents: 26168
diff changeset
1282 print_usage ();
20556
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20535
diff changeset
1283
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20535
diff changeset
1284 have_dash_option = true;
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20535
diff changeset
1285 clear_variables = true;
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20535
diff changeset
1286 }
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20535
diff changeset
1287 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
1288 {
26169
096b38cac97f Improve input validation to reject multiple options for clear (bug #53565).
Rik <rik@octave.org>
parents: 26168
diff changeset
1289 if (have_dash_option)
096b38cac97f Improve input validation to reject multiple options for clear (bug #53565).
Rik <rik@octave.org>
parents: 26168
diff changeset
1290 print_usage ();
20556
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20535
diff changeset
1291
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20535
diff changeset
1292 have_dash_option = true;
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20535
diff changeset
1293 clear_objects = true;
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20535
diff changeset
1294 }
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20535
diff changeset
1295 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
1296 {
26169
096b38cac97f Improve input validation to reject multiple options for clear (bug #53565).
Rik <rik@octave.org>
parents: 26168
diff changeset
1297 if (have_dash_option)
096b38cac97f Improve input validation to reject multiple options for clear (bug #53565).
Rik <rik@octave.org>
parents: 26168
diff changeset
1298 print_usage ();
20556
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20535
diff changeset
1299
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20535
diff changeset
1300 have_dash_option = true;
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20535
diff changeset
1301 have_regexp = true;
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20535
diff changeset
1302 }
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20535
diff changeset
1303 else
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20535
diff changeset
1304 break;
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20535
diff changeset
1305 }
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20535
diff changeset
1306
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20535
diff changeset
1307 if (idx <= argc)
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20535
diff changeset
1308 {
26169
096b38cac97f Improve input validation to reject multiple options for clear (bug #53565).
Rik <rik@octave.org>
parents: 26168
diff changeset
1309 if (! have_dash_option && ! exclusive)
26661
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents: 26446
diff changeset
1310 do_matlab_compatible_clear (interp, argv, argc, idx);
20556
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20535
diff changeset
1311 else
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20535
diff changeset
1312 {
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20535
diff changeset
1313 if (clear_all)
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
1314 {
20556
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20535
diff changeset
1315 maybe_warn_exclusive (exclusive);
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20535
diff changeset
1316
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20535
diff changeset
1317 if (++idx < argc)
20897
9aad16a799c9 maint: Replace argc variable name with nargin in C++ code.
Rik <rik@octave.org>
parents: 20853
diff changeset
1318 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
1319
26661
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents: 26446
diff changeset
1320 interp.clear_all ();
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
1321 }
20556
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20535
diff changeset
1322 else if (have_regexp)
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
1323 {
26661
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents: 26446
diff changeset
1324 do_clear_variables (interp, argv, argc, idx, exclusive, true);
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
1325 }
20556
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20535
diff changeset
1326 else if (clear_functions)
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
1327 {
26661
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents: 26446
diff changeset
1328 do_clear_functions (interp, argv, argc, idx, exclusive);
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
1329 }
20556
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20535
diff changeset
1330 else if (clear_globals)
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20535
diff changeset
1331 {
26661
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents: 26446
diff changeset
1332 do_clear_globals (interp, argv, argc, idx, exclusive);
20556
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20535
diff changeset
1333 }
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20535
diff changeset
1334 else if (clear_variables)
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
1335 {
26661
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents: 26446
diff changeset
1336 do_clear_variables (interp, argv, argc, idx, exclusive);
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
1337 }
20556
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20535
diff changeset
1338 else if (clear_objects)
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
1339 {
26661
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents: 26446
diff changeset
1340 interp.clear_objects ();
20556
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20535
diff changeset
1341 octave_class::clear_exemplar_map ();
26661
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents: 26446
diff changeset
1342 interp.clear_all ();
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
1343 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
1344 else
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
1345 {
26661
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents: 26446
diff changeset
1346 do_clear_symbols (interp, argv, argc, idx, exclusive);
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
1347 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
1348 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
1349 }
593
6f948c6251a9 [project @ 1994-08-09 04:29:10 by jwe]
jwe
parents: 584
diff changeset
1350 }
6f948c6251a9 [project @ 1994-08-09 04:29:10 by jwe]
jwe
parents: 584
diff changeset
1351
20941
a4f5da7c5463 maint: Replace "octave_value_list ()" with "ovl ()".
Rik <rik@octave.org>
parents: 20940
diff changeset
1352 return ovl ();
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 506
diff changeset
1353 }
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 506
diff changeset
1354
26167
247126168d23 Don't remove globals when 'clear' called without arguments (bug #39790).
Julien Bect <julien.bect@supelec.fr>
parents: 26113
diff changeset
1355 /*
26169
096b38cac97f Improve input validation to reject multiple options for clear (bug #53565).
Rik <rik@octave.org>
parents: 26168
diff changeset
1356 ## This test must be wrapped in its own function or the 'clear' command will
096b38cac97f Improve input validation to reject multiple options for clear (bug #53565).
Rik <rik@octave.org>
parents: 26168
diff changeset
1357 ## break the %!test environment.
096b38cac97f Improve input validation to reject multiple options for clear (bug #53565).
Rik <rik@octave.org>
parents: 26168
diff changeset
1358 %!function __test_clear_no_args__ ()
096b38cac97f Improve input validation to reject multiple options for clear (bug #53565).
Rik <rik@octave.org>
parents: 26168
diff changeset
1359 %! global x
096b38cac97f Improve input validation to reject multiple options for clear (bug #53565).
Rik <rik@octave.org>
parents: 26168
diff changeset
1360 %! x = 3;
096b38cac97f Improve input validation to reject multiple options for clear (bug #53565).
Rik <rik@octave.org>
parents: 26168
diff changeset
1361 %! clear
096b38cac97f Improve input validation to reject multiple options for clear (bug #53565).
Rik <rik@octave.org>
parents: 26168
diff changeset
1362 %! assert (! exist ("x", "var")); # x is not in the current workspace anymore
096b38cac97f Improve input validation to reject multiple options for clear (bug #53565).
Rik <rik@octave.org>
parents: 26168
diff changeset
1363 %! global x # but still lives in the global workspace
096b38cac97f Improve input validation to reject multiple options for clear (bug #53565).
Rik <rik@octave.org>
parents: 26168
diff changeset
1364 %! assert (exist ("x", "var"));
096b38cac97f Improve input validation to reject multiple options for clear (bug #53565).
Rik <rik@octave.org>
parents: 26168
diff changeset
1365 %!endfunction
096b38cac97f Improve input validation to reject multiple options for clear (bug #53565).
Rik <rik@octave.org>
parents: 26168
diff changeset
1366
26167
247126168d23 Don't remove globals when 'clear' called without arguments (bug #39790).
Julien Bect <julien.bect@supelec.fr>
parents: 26113
diff changeset
1367 %!test
26678
2c246d188151 variables.cc: Don't leak variables into global namespace from BIST tests.
Rik <rik@octave.org>
parents: 26434
diff changeset
1368 %! unwind_protect
2c246d188151 variables.cc: Don't leak variables into global namespace from BIST tests.
Rik <rik@octave.org>
parents: 26434
diff changeset
1369 %! __test_clear_no_args__ ();
2c246d188151 variables.cc: Don't leak variables into global namespace from BIST tests.
Rik <rik@octave.org>
parents: 26434
diff changeset
1370 %! unwind_protect_cleanup
2c246d188151 variables.cc: Don't leak variables into global namespace from BIST tests.
Rik <rik@octave.org>
parents: 26434
diff changeset
1371 %! clear -g x
2c246d188151 variables.cc: Don't leak variables into global namespace from BIST tests.
Rik <rik@octave.org>
parents: 26434
diff changeset
1372 %! end_unwind_protect
26169
096b38cac97f Improve input validation to reject multiple options for clear (bug #53565).
Rik <rik@octave.org>
parents: 26168
diff changeset
1373
096b38cac97f Improve input validation to reject multiple options for clear (bug #53565).
Rik <rik@octave.org>
parents: 26168
diff changeset
1374 ## Test that multiple options cannot be given
096b38cac97f Improve input validation to reject multiple options for clear (bug #53565).
Rik <rik@octave.org>
parents: 26168
diff changeset
1375 %!error clear -f -g
26167
247126168d23 Don't remove globals when 'clear' called without arguments (bug #39790).
Julien Bect <julien.bect@supelec.fr>
parents: 26113
diff changeset
1376 */
247126168d23 Don't remove globals when 'clear' called without arguments (bug #39790).
Julien Bect <julien.bect@supelec.fr>
parents: 26113
diff changeset
1377
15562
8ed107220a3e maint: Rename unimplemented.m to __unimplemented__.m.
Juan Pablo Carbajal <ajuanpi+dev@gmail.com>
parents: 15528
diff changeset
1378 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
1379
34e51d4e199b implement smart warnings about missing Matlab functionality
Jaroslav Hajek <highegg@gmail.com>
parents: 10350
diff changeset
1380 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
1381 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
1382 @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
1383 @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
1384 @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
1385 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
1386 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
1387
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21885
diff changeset
1388 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
1389 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
1390 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
1391 @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
1392 @end deftypefn */)
10443
34e51d4e199b implement smart warnings about missing Matlab functionality
Jaroslav Hajek <highegg@gmail.com>
parents: 10350
diff changeset
1393 {
34e51d4e199b implement smart warnings about missing Matlab functionality
Jaroslav Hajek <highegg@gmail.com>
parents: 10350
diff changeset
1394 return SET_INTERNAL_VARIABLE (missing_function_hook);
34e51d4e199b implement smart warnings about missing Matlab functionality
Jaroslav Hajek <highegg@gmail.com>
parents: 10350
diff changeset
1395 }
34e51d4e199b implement smart warnings about missing Matlab functionality
Jaroslav Hajek <highegg@gmail.com>
parents: 10350
diff changeset
1396
23599
5cb3a2bb5e1e don't use singleton for symbol_table
John W. Eaton <jwe@octave.org>
parents: 23587
diff changeset
1397 void
5cb3a2bb5e1e don't use singleton for symbol_table
John W. Eaton <jwe@octave.org>
parents: 23587
diff changeset
1398 maybe_missing_function_hook (const std::string& name)
10443
34e51d4e199b implement smart warnings about missing Matlab functionality
Jaroslav Hajek <highegg@gmail.com>
parents: 10350
diff changeset
1399 {
27160
6b0c61a5a0f0 move global error configuration and status variables inside a class
John W. Eaton <jwe@octave.org>
parents: 27016
diff changeset
1400 octave::interpreter& interp
6b0c61a5a0f0 move global error configuration and status variables inside a class
John W. Eaton <jwe@octave.org>
parents: 27016
diff changeset
1401 = octave::__get_interpreter__ ("maybe_missing_function_hook");
6b0c61a5a0f0 move global error configuration and status variables inside a class
John W. Eaton <jwe@octave.org>
parents: 27016
diff changeset
1402
6b0c61a5a0f0 move global error configuration and status variables inside a class
John W. Eaton <jwe@octave.org>
parents: 27016
diff changeset
1403 octave::error_system& es = interp.get_error_system ();
6b0c61a5a0f0 move global error configuration and status variables inside a class
John W. Eaton <jwe@octave.org>
parents: 27016
diff changeset
1404
10444
537d9fbba9c0 don't call missing_function_hook inside try block
Jaroslav Hajek <highegg@gmail.com>
parents: 10443
diff changeset
1405 // Don't do this if we're handling errors.
27160
6b0c61a5a0f0 move global error configuration and status variables inside a class
John W. Eaton <jwe@octave.org>
parents: 27016
diff changeset
1406 if (es.buffer_error_messages () || Vmissing_function_hook.empty ())
6b0c61a5a0f0 move global error configuration and status variables inside a class
John W. Eaton <jwe@octave.org>
parents: 27016
diff changeset
1407 return;
23599
5cb3a2bb5e1e don't use singleton for symbol_table
John W. Eaton <jwe@octave.org>
parents: 23587
diff changeset
1408
27160
6b0c61a5a0f0 move global error configuration and status variables inside a class
John W. Eaton <jwe@octave.org>
parents: 27016
diff changeset
1409 octave::symbol_table& symtab = interp.get_symbol_table ();
6b0c61a5a0f0 move global error configuration and status variables inside a class
John W. Eaton <jwe@octave.org>
parents: 27016
diff changeset
1410
6b0c61a5a0f0 move global error configuration and status variables inside a class
John W. Eaton <jwe@octave.org>
parents: 27016
diff changeset
1411 octave_value val = symtab.find_function (Vmissing_function_hook);
15528
8d2b3db8b5b0 Allow missing_function_hook to fail silently
Mike Miller <mtmiller@ieee.org>
parents: 15508
diff changeset
1412
27160
6b0c61a5a0f0 move global error configuration and status variables inside a class
John W. Eaton <jwe@octave.org>
parents: 27016
diff changeset
1413 if (val.is_defined ())
6b0c61a5a0f0 move global error configuration and status variables inside a class
John W. Eaton <jwe@octave.org>
parents: 27016
diff changeset
1414 {
6b0c61a5a0f0 move global error configuration and status variables inside a class
John W. Eaton <jwe@octave.org>
parents: 27016
diff changeset
1415 // Ensure auto-restoration.
6b0c61a5a0f0 move global error configuration and status variables inside a class
John W. Eaton <jwe@octave.org>
parents: 27016
diff changeset
1416 octave::unwind_protect frame;
6b0c61a5a0f0 move global error configuration and status variables inside a class
John W. Eaton <jwe@octave.org>
parents: 27016
diff changeset
1417 frame.protect_var (Vmissing_function_hook);
15528
8d2b3db8b5b0 Allow missing_function_hook to fail silently
Mike Miller <mtmiller@ieee.org>
parents: 15508
diff changeset
1418
27160
6b0c61a5a0f0 move global error configuration and status variables inside a class
John W. Eaton <jwe@octave.org>
parents: 27016
diff changeset
1419 // Clear the variable prior to calling the function.
6b0c61a5a0f0 move global error configuration and status variables inside a class
John W. Eaton <jwe@octave.org>
parents: 27016
diff changeset
1420 const std::string func_name = Vmissing_function_hook;
6b0c61a5a0f0 move global error configuration and status variables inside a class
John W. Eaton <jwe@octave.org>
parents: 27016
diff changeset
1421 Vmissing_function_hook.clear ();
15528
8d2b3db8b5b0 Allow missing_function_hook to fail silently
Mike Miller <mtmiller@ieee.org>
parents: 15508
diff changeset
1422
27160
6b0c61a5a0f0 move global error configuration and status variables inside a class
John W. Eaton <jwe@octave.org>
parents: 27016
diff changeset
1423 // Call.
6b0c61a5a0f0 move global error configuration and status variables inside a class
John W. Eaton <jwe@octave.org>
parents: 27016
diff changeset
1424 octave::feval (func_name, octave_value (name));
10467
13c1f15c67fa guard against recursive calls of missing_function_hook
Jaroslav Hajek <highegg@gmail.com>
parents: 10444
diff changeset
1425 }
10443
34e51d4e199b implement smart warnings about missing Matlab functionality
Jaroslav Hajek <highegg@gmail.com>
parents: 10350
diff changeset
1426 }
11558
1e4dfc7a9487 use .argn. to store argument names for inputname function
John W. Eaton <jwe@octave.org>
parents: 11556
diff changeset
1427
23599
5cb3a2bb5e1e don't use singleton for symbol_table
John W. Eaton <jwe@octave.org>
parents: 23587
diff changeset
1428 DEFMETHOD (__varval__, interp, args, ,
5cb3a2bb5e1e don't use singleton for symbol_table
John W. Eaton <jwe@octave.org>
parents: 23587
diff changeset
1429 doc: /* -*- texinfo -*-
21966
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21885
diff changeset
1430 @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
1431 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
1432 @end deftypefn */)
11558
1e4dfc7a9487 use .argn. to store argument names for inputname function
John W. Eaton <jwe@octave.org>
parents: 11556
diff changeset
1433 {
20760
15eefcabcb31 doc: Add docstring for internal function __varval__.
Rik <rik@octave.org>
parents: 20756
diff changeset
1434 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
1435 print_usage ();
1e4dfc7a9487 use .argn. to store argument names for inputname function
John W. Eaton <jwe@octave.org>
parents: 11556
diff changeset
1436
20760
15eefcabcb31 doc: Add docstring for internal function __varval__.
Rik <rik@octave.org>
parents: 20756
diff changeset
1437 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
1438
26661
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents: 26446
diff changeset
1439 std::string nm = args(0).string_value ();
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents: 26446
diff changeset
1440
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents: 26446
diff changeset
1441 // FIXME: we need this kluge to implement inputname in a .m file.
24361
8bcfddad15ec use shared_ptr to manage symbol_scope objects
John W. Eaton <jwe@octave.org>
parents: 24356
diff changeset
1442
26661
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents: 26446
diff changeset
1443 if (nm == ".argn.")
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents: 26446
diff changeset
1444 {
27204
9a3e92d02a03 eliminate direct access to call stack in variables functions
John W. Eaton <jwe@octave.org>
parents: 27160
diff changeset
1445 octave::tree_evaluator& tw = interp.get_evaluator ();
26661
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents: 26446
diff changeset
1446
27204
9a3e92d02a03 eliminate direct access to call stack in variables functions
John W. Eaton <jwe@octave.org>
parents: 27160
diff changeset
1447 return tw.get_auto_fcn_var (octave::stack_frame::ARG_NAMES);
26661
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents: 26446
diff changeset
1448 }
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents: 26446
diff changeset
1449
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents: 26446
diff changeset
1450 return interp.varval (nm);
11558
1e4dfc7a9487 use .argn. to store argument names for inputname function
John W. Eaton <jwe@octave.org>
parents: 11556
diff changeset
1451 }
17516
21656a949661 Add hook function to handle missing Octave components
Mike Miller <mtmiller@ieee.org>
parents: 17355
diff changeset
1452
21656a949661 Add hook function to handle missing Octave components
Mike Miller <mtmiller@ieee.org>
parents: 17355
diff changeset
1453 static std::string Vmissing_component_hook;
21656a949661 Add hook function to handle missing Octave components
Mike Miller <mtmiller@ieee.org>
parents: 17355
diff changeset
1454
21656a949661 Add hook function to handle missing Octave components
Mike Miller <mtmiller@ieee.org>
parents: 17355
diff changeset
1455 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
1456 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
1457 @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
1458 @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
1459 @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
1460 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
1461 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
1462
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21885
diff changeset
1463 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
1464 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
1465 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
1466
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21885
diff changeset
1467 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
1468 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
1469 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
1470
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21885
diff changeset
1471 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
1472
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21885
diff changeset
1473 @example
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21885
diff changeset
1474 @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
1475 @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
1476
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21885
diff changeset
1477 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
1478 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
1479 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
1480 @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
1481 @end deftypefn */)
17516
21656a949661 Add hook function to handle missing Octave components
Mike Miller <mtmiller@ieee.org>
parents: 17355
diff changeset
1482 {
21656a949661 Add hook function to handle missing Octave components
Mike Miller <mtmiller@ieee.org>
parents: 17355
diff changeset
1483 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
1484 }
23699
b29904962d2d deprecate some global functions that access the symbol table
John W. Eaton <jwe@octave.org>
parents: 23693
diff changeset
1485
26661
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents: 26446
diff changeset
1486 // The following function is deprecated.
25407
ab10403a0b50 new input_system class to manage user input for the interpreter
John W. Eaton <jwe@octave.org>
parents: 25399
diff changeset
1487
ab10403a0b50 new input_system class to manage user input for the interpreter
John W. Eaton <jwe@octave.org>
parents: 25399
diff changeset
1488 string_vector
ab10403a0b50 new input_system class to manage user input for the interpreter
John W. Eaton <jwe@octave.org>
parents: 25399
diff changeset
1489 get_struct_elts (const std::string& text)
ab10403a0b50 new input_system class to manage user input for the interpreter
John W. Eaton <jwe@octave.org>
parents: 25399
diff changeset
1490 {
ab10403a0b50 new input_system class to manage user input for the interpreter
John W. Eaton <jwe@octave.org>
parents: 25399
diff changeset
1491 int n = 1;
ab10403a0b50 new input_system class to manage user input for the interpreter
John W. Eaton <jwe@octave.org>
parents: 25399
diff changeset
1492
ab10403a0b50 new input_system class to manage user input for the interpreter
John W. Eaton <jwe@octave.org>
parents: 25399
diff changeset
1493 size_t pos = 0;
ab10403a0b50 new input_system class to manage user input for the interpreter
John W. Eaton <jwe@octave.org>
parents: 25399
diff changeset
1494
ab10403a0b50 new input_system class to manage user input for the interpreter
John W. Eaton <jwe@octave.org>
parents: 25399
diff changeset
1495 size_t len = text.length ();
ab10403a0b50 new input_system class to manage user input for the interpreter
John W. Eaton <jwe@octave.org>
parents: 25399
diff changeset
1496
ab10403a0b50 new input_system class to manage user input for the interpreter
John W. Eaton <jwe@octave.org>
parents: 25399
diff changeset
1497 while ((pos = text.find ('.', pos)) != std::string::npos)
ab10403a0b50 new input_system class to manage user input for the interpreter
John W. Eaton <jwe@octave.org>
parents: 25399
diff changeset
1498 {
ab10403a0b50 new input_system class to manage user input for the interpreter
John W. Eaton <jwe@octave.org>
parents: 25399
diff changeset
1499 if (++pos == len)
ab10403a0b50 new input_system class to manage user input for the interpreter
John W. Eaton <jwe@octave.org>
parents: 25399
diff changeset
1500 break;
ab10403a0b50 new input_system class to manage user input for the interpreter
John W. Eaton <jwe@octave.org>
parents: 25399
diff changeset
1501
ab10403a0b50 new input_system class to manage user input for the interpreter
John W. Eaton <jwe@octave.org>
parents: 25399
diff changeset
1502 n++;
ab10403a0b50 new input_system class to manage user input for the interpreter
John W. Eaton <jwe@octave.org>
parents: 25399
diff changeset
1503 }
ab10403a0b50 new input_system class to manage user input for the interpreter
John W. Eaton <jwe@octave.org>
parents: 25399
diff changeset
1504
ab10403a0b50 new input_system class to manage user input for the interpreter
John W. Eaton <jwe@octave.org>
parents: 25399
diff changeset
1505 string_vector retval (n);
ab10403a0b50 new input_system class to manage user input for the interpreter
John W. Eaton <jwe@octave.org>
parents: 25399
diff changeset
1506
ab10403a0b50 new input_system class to manage user input for the interpreter
John W. Eaton <jwe@octave.org>
parents: 25399
diff changeset
1507 pos = 0;
ab10403a0b50 new input_system class to manage user input for the interpreter
John W. Eaton <jwe@octave.org>
parents: 25399
diff changeset
1508
ab10403a0b50 new input_system class to manage user input for the interpreter
John W. Eaton <jwe@octave.org>
parents: 25399
diff changeset
1509 for (int i = 0; i < n; i++)
ab10403a0b50 new input_system class to manage user input for the interpreter
John W. Eaton <jwe@octave.org>
parents: 25399
diff changeset
1510 {
ab10403a0b50 new input_system class to manage user input for the interpreter
John W. Eaton <jwe@octave.org>
parents: 25399
diff changeset
1511 len = text.find ('.', pos);
ab10403a0b50 new input_system class to manage user input for the interpreter
John W. Eaton <jwe@octave.org>
parents: 25399
diff changeset
1512
ab10403a0b50 new input_system class to manage user input for the interpreter
John W. Eaton <jwe@octave.org>
parents: 25399
diff changeset
1513 if (len != std::string::npos)
ab10403a0b50 new input_system class to manage user input for the interpreter
John W. Eaton <jwe@octave.org>
parents: 25399
diff changeset
1514 len -= pos;
ab10403a0b50 new input_system class to manage user input for the interpreter
John W. Eaton <jwe@octave.org>
parents: 25399
diff changeset
1515
ab10403a0b50 new input_system class to manage user input for the interpreter
John W. Eaton <jwe@octave.org>
parents: 25399
diff changeset
1516 retval[i] = text.substr (pos, len);
ab10403a0b50 new input_system class to manage user input for the interpreter
John W. Eaton <jwe@octave.org>
parents: 25399
diff changeset
1517
ab10403a0b50 new input_system class to manage user input for the interpreter
John W. Eaton <jwe@octave.org>
parents: 25399
diff changeset
1518 if (len != std::string::npos)
ab10403a0b50 new input_system class to manage user input for the interpreter
John W. Eaton <jwe@octave.org>
parents: 25399
diff changeset
1519 pos += len + 1;
ab10403a0b50 new input_system class to manage user input for the interpreter
John W. Eaton <jwe@octave.org>
parents: 25399
diff changeset
1520 }
ab10403a0b50 new input_system class to manage user input for the interpreter
John W. Eaton <jwe@octave.org>
parents: 25399
diff changeset
1521
ab10403a0b50 new input_system class to manage user input for the interpreter
John W. Eaton <jwe@octave.org>
parents: 25399
diff changeset
1522 return retval;
ab10403a0b50 new input_system class to manage user input for the interpreter
John W. Eaton <jwe@octave.org>
parents: 25399
diff changeset
1523 }