octave: libinterp/corefcn/variables.cc annotate

annotate libinterp/corefcn/variables.cc @ 27919:1891570abac8

update Octave Project Developers copyright for the new year In files that have the "Octave Project Developers" copyright notice, update for 2020.

author	John W. Eaton <jwe@octave.org>
date	Mon, 06 Jan 2020 22:29:51 -0500
parents	b442ec6dda5c
children	bd51beb6205e

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
27919 1891570abac8 update Octave Project Developers copyright for the new year John W. Eaton <jwe@octave.org> parents: 27918 diff changeset	3 Copyright (C) 1993-2020 The Octave Project Developers
27918 b442ec6dda5c use centralized file for copyright info for individual contributors John W. Eaton <jwe@octave.org> parents: 27873 diff changeset	4
b442ec6dda5c use centralized file for copyright info for individual contributors John W. Eaton <jwe@octave.org> parents: 27873 diff changeset	5 See the file COPYRIGHT.md in the top-level directory of this distribution
b442ec6dda5c use centralized file for copyright info for individual contributors John W. Eaton <jwe@octave.org> parents: 27873 diff changeset	6 or <https://octave.org/COPYRIGHT.html/>.
b442ec6dda5c use centralized file for copyright info for individual contributors John W. Eaton <jwe@octave.org> parents: 27873 diff changeset	7
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	8
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	9 This file is part of Octave.
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	10
24534 194eb4bd202b maint: Update punctuation for GPL v3 license text. Rik <rik@octave.org> parents: 24485 diff changeset	11 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	12 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	13 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	14 (at your option) any later version.
3a2b891d0b33 maint: Standardize Copyright formatting. Rik <rik@octave.org> parents: 22407 diff changeset	15
3a2b891d0b33 maint: Standardize Copyright formatting. Rik <rik@octave.org> parents: 22407 diff changeset	16 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	17 WITHOUT ANY WARRANTY; without even the implied warranty of
3a2b891d0b33 maint: Standardize Copyright formatting. Rik <rik@octave.org> parents: 22407 diff changeset	18 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
3a2b891d0b33 maint: Standardize Copyright formatting. Rik <rik@octave.org> parents: 22407 diff changeset	19 GNU General Public License for more details.
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	20
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	21 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	22 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	23 <https://www.gnu.org/licenses/>.
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	24
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	25 */
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	26
21724 aba2e6293dd8 use "#if ..." consistently instead of "#ifdef" and "#ifndef" John W. Eaton <jwe@octave.org> parents: 21660 diff changeset	27 #if defined (HAVE_CONFIG_H)
21301 40de9f8f23a6 Use '#include "config.h"' rather than <config.h>. Rik <rik@octave.org> parents: 21272 diff changeset	28 # include "config.h"
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	29 #endif
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	30
1468 cdb87ef617e8 [project @ 1995-09-22 08:09:53 by jwe] jwe parents: 1465 diff changeset	31 #include <cstdio>
1343 94bedeb289e5 [project @ 1995-09-04 00:29:21 by jwe] jwe parents: 1315 diff changeset	32 #include <cstring>
605 4f65175911a6 [project @ 1994-08-13 20:10:39 by jwe] jwe parents: 598 diff changeset	33
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7065 diff changeset	34 #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	35 #include <list>
4207 fa3482b34599 [project @ 2002-12-03 18:22:05 by jwe] jwe parents: 4179 diff changeset	36 #include <set>
1728 42b4f904f1af [project @ 1996-01-09 11:36:01 by jwe] jwe parents: 1719 diff changeset	37 #include <string>
42b4f904f1af [project @ 1996-01-09 11:36:01 by jwe] jwe parents: 1719 diff changeset	38
2926 66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: 2921 diff changeset	39 #include "file-stat.h"
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: 2921 diff changeset	40 #include "oct-env.h"
4604 cba347c642e2 [project @ 2003-11-13 04:38:05 by jwe] jwe parents: 4587 diff changeset	41 #include "file-ops.h"
2926 66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: 2921 diff changeset	42 #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	43 #include "lo-regexp.h"
1755 3a9462b655f1 [project @ 1996-01-22 04:47:22 by jwe] jwe parents: 1742 diff changeset	44 #include "str-vec.h"
3a9462b655f1 [project @ 1996-01-22 04:47:22 by jwe] jwe parents: 1742 diff changeset	45
4435 dd7af4fa1942 [project @ 2003-06-23 17:52:36 by jwe] jwe parents: 4357 diff changeset	46 #include "Cell.h"
1352 19c10b8657d5 [project @ 1995-09-05 08:11:57 by jwe] jwe parents: 1350 diff changeset	47 #include "defun.h"
19c10b8657d5 [project @ 1995-09-05 08:11:57 by jwe] jwe parents: 1350 diff changeset	48 #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	49 #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	50 #include "event-manager.h"
1352 19c10b8657d5 [project @ 1995-09-05 08:11:57 by jwe] jwe parents: 1350 diff changeset	51 #include "help.h"
3165 e4bbfc196e53 [project @ 1998-04-16 03:01:47 by jwe] jwe parents: 3162 diff changeset	52 #include "input.h"
23438 d24d01273bd0 eliminate load-path singleton John W. Eaton <jwe@octave.org> parents: 23332 diff changeset	53 #include "interpreter-private.h"
22094 9203833cab7d move new interpreter class to separate file John W. Eaton <jwe@octave.org> parents: 22091 diff changeset	54 #include "interpreter.h"
1352 19c10b8657d5 [project @ 1995-09-05 08:11:57 by jwe] jwe parents: 1350 diff changeset	55 #include "lex.h"
5832 5e41e06f6a78 [project @ 2006-05-26 21:41:32 by jwe] jwe parents: 5823 diff changeset	56 #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	57 #include "octave-preserve-stream-state.h"
2926 66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: 2921 diff changeset	58 #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	59 #include "ovl.h"
2926 66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: 2921 diff changeset	60 #include "ov.h"
9240 f27a8c07f0b2 clear -classes and support. Robert T. Short <octave@phaselockedsystems.com> parents: 9180 diff changeset	61 #include "ov-class.h"
3933 f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe] jwe parents: 3681 diff changeset	62 #include "ov-usr-fcn.h"
605 4f65175911a6 [project @ 1994-08-13 20:10:39 by jwe] jwe parents: 598 diff changeset	63 #include "pager.h"
1352 19c10b8657d5 [project @ 1995-09-05 08:11:57 by jwe] jwe parents: 1350 diff changeset	64 #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	65 #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	66 #include "syminfo.h"
2926 66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: 2921 diff changeset	67 #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	68 #include "sysdep.h"
1352 19c10b8657d5 [project @ 1995-09-05 08:11:57 by jwe] jwe parents: 1350 diff changeset	69 #include "unwind-prot.h"
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	70 #include "utils.h"
1352 19c10b8657d5 [project @ 1995-09-05 08:11:57 by jwe] jwe parents: 1350 diff changeset	71 #include "variables.h"
2205 bd389b53befa [project @ 1996-05-15 06:15:45 by jwe] jwe parents: 2181 diff changeset	72
593 6f948c6251a9 [project @ 1994-08-09 04:29:10 by jwe] jwe parents: 584 diff changeset	73 // Attributes of variables and functions.
6f948c6251a9 [project @ 1994-08-09 04:29:10 by jwe] jwe parents: 584 diff changeset	74
2086 bfb775fb6fe8 [project @ 1996-04-25 05:55:19 by jwe] jwe parents: 2076 diff changeset	75 // Is this octave_value a valid function?
593 6f948c6251a9 [project @ 1994-08-09 04:29:10 by jwe] jwe parents: 584 diff changeset	76
2975 b9c107cbe388 [project @ 1997-05-15 20:01:00 by jwe] jwe parents: 2963 diff changeset	77 octave_function *
4345 4e23bfdd6172 [project @ 2003-02-20 20:45:49 by jwe] jwe parents: 4342 diff changeset	78 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	79 const std::string& warn_for, bool warn)
593 6f948c6251a9 [project @ 1994-08-09 04:29:10 by jwe] jwe parents: 584 diff changeset	80 {
23457 21baad6b35c4 maint: Use C++11 nullptr rather than 0 or NULL when possible. Rik <rik@octave.org> parents: 23450 diff changeset	81 octave_function *ans = nullptr;
593 6f948c6251a9 [project @ 1994-08-09 04:29:10 by jwe] jwe parents: 584 diff changeset	82
1755 3a9462b655f1 [project @ 1996-01-22 04:47:22 by jwe] jwe parents: 1742 diff changeset	83 if (! fcn_name.empty ())
3618 8cea69ad95ae [project @ 2000-03-22 20:51:45 by jwe] jwe parents: 3565 diff changeset	84 {
23701 a6e49930ddd2 avoid some global access to interpreter and symbol table John W. Eaton <jwe@octave.org> parents: 23699 diff changeset	85 octave::symbol_table& symtab
a6e49930ddd2 avoid some global access to interpreter and symbol table John W. Eaton <jwe@octave.org> parents: 23699 diff changeset	86 = 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	87
5cb3a2bb5e1e don't use singleton for symbol_table John W. Eaton <jwe@octave.org> parents: 23587 diff changeset	88 octave_value val = symtab.find_function (fcn_name);
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7065 diff changeset	89
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7065 diff changeset	90 if (val.is_defined ())
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	91 ans = val.function_value (true);
3618 8cea69ad95ae [project @ 2000-03-22 20:51:45 by jwe] jwe parents: 3565 diff changeset	92 }
593 6f948c6251a9 [project @ 1994-08-09 04:29:10 by jwe] jwe parents: 584 diff changeset	93
21224 2e64b5899d1f maint: invert if/else/error pattern in variables.cc Rik <rik@octave.org> parents: 21200 diff changeset	94 // 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	95 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	96 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	97 warn_for.c_str (), fcn_name.c_str ());
593 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 return ans;
6f948c6251a9 [project @ 1994-08-09 04:29:10 by jwe] jwe parents: 584 diff changeset	100 }
6f948c6251a9 [project @ 1994-08-09 04:29:10 by jwe] jwe parents: 584 diff changeset	101
2975 b9c107cbe388 [project @ 1997-05-15 20:01:00 by jwe] jwe parents: 2963 diff changeset	102 octave_function *
4345 4e23bfdd6172 [project @ 2003-02-20 20:45:49 by jwe] jwe parents: 4342 diff changeset	103 is_valid_function (const octave_value& arg,
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	104 const std::string& warn_for, bool warn)
3178 09a3064a3a17 [project @ 1998-06-23 03:46:42 by jwe] jwe parents: 3165 diff changeset	105 {
23457 21baad6b35c4 maint: Use C++11 nullptr rather than 0 or NULL when possible. Rik <rik@octave.org> parents: 23450 diff changeset	106 octave_function *ans = nullptr;
3178 09a3064a3a17 [project @ 1998-06-23 03:46:42 by jwe] jwe parents: 3165 diff changeset	107
3523 b80bbb43a1a9 [project @ 2000-02-02 10:25:52 by jwe] jwe parents: 3476 diff changeset	108 std::string fcn_name;
3178 09a3064a3a17 [project @ 1998-06-23 03:46:42 by jwe] jwe parents: 3165 diff changeset	109
09a3064a3a17 [project @ 1998-06-23 03:46:42 by jwe] jwe parents: 3165 diff changeset	110 if (arg.is_string ())
4700 ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4604 diff changeset	111 {
ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4604 diff changeset	112 fcn_name = arg.string_value ();
3178 09a3064a3a17 [project @ 1998-06-23 03:46:42 by jwe] jwe parents: 3165 diff changeset	113
19743 67f2c76f9f4d Remove unnecessary checking of error_state after is_string validation. Rik <rik@octave.org> parents: 19718 diff changeset	114 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	115 }
3178 09a3064a3a17 [project @ 1998-06-23 03:46:42 by jwe] jwe parents: 3165 diff changeset	116 else if (warn)
21224 2e64b5899d1f maint: invert if/else/error pattern in variables.cc Rik <rik@octave.org> parents: 21200 diff changeset	117 // 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	118 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	119 warn_for.c_str ());
3178 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 return ans;
09a3064a3a17 [project @ 1998-06-23 03:46:42 by jwe] jwe parents: 3165 diff changeset	122 }
09a3064a3a17 [project @ 1998-06-23 03:46:42 by jwe] jwe parents: 3165 diff changeset	123
09a3064a3a17 [project @ 1998-06-23 03:46:42 by jwe] jwe parents: 3165 diff changeset	124 octave_function *
3523 b80bbb43a1a9 [project @ 2000-02-02 10:25:52 by jwe] jwe parents: 3476 diff changeset	125 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	126 const std::string& fname, const std::string& header,
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	127 const std::string& trailer)
2796 74bc1ede3c3d [project @ 1997-03-07 06:55:47 by jwe] jwe parents: 2790 diff changeset	128 {
26434 fad593da4b57 variables.cc: Fix static analyzer detected issues (bug #55347). Rik <rik@octave.org> parents: 26376 diff changeset	129 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	130
74bc1ede3c3d [project @ 1997-03-07 06:55:47 by jwe] jwe parents: 2790 diff changeset	131 if (! retval)
74bc1ede3c3d [project @ 1997-03-07 06:55:47 by jwe] jwe parents: 2790 diff changeset	132 {
24218 3d26a174e143 * variables.cc (extract_function): Omit 'first' from error message. John W. Eaton <jwe@octave.org> parents: 24070 diff changeset	133 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	134 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	135
fd0efcdb3718 use new string_value method to handle value extraction errors John W. Eaton <jwe@octave.org> parents: 20556 diff changeset	136 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	137 cmd.append (s);
fd0efcdb3718 use new string_value method to handle value extraction errors John W. Eaton <jwe@octave.org> parents: 20556 diff changeset	138 cmd.append (trailer);
fd0efcdb3718 use new string_value method to handle value extraction errors John W. Eaton <jwe@octave.org> parents: 20556 diff changeset	139
fd0efcdb3718 use new string_value method to handle value extraction errors John W. Eaton <jwe@octave.org> parents: 20556 diff changeset	140 int parse_status;
fd0efcdb3718 use new string_value method to handle value extraction errors John W. Eaton <jwe@octave.org> parents: 20556 diff changeset	141
26113 8a15f3bace49 move eval_string inside interpreter/evaluator class John W. Eaton <jwe@octave.org> parents: 26107 diff changeset	142 octave::interpreter& interp
8a15f3bace49 move eval_string inside interpreter/evaluator class John W. Eaton <jwe@octave.org> parents: 26107 diff changeset	143 = octave::__get_interpreter__ ("extract_function");
8a15f3bace49 move eval_string inside interpreter/evaluator class John W. Eaton <jwe@octave.org> parents: 26107 diff changeset	144
8a15f3bace49 move eval_string inside interpreter/evaluator class John W. Eaton <jwe@octave.org> parents: 26107 diff changeset	145 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	146
21224 2e64b5899d1f maint: invert if/else/error pattern in variables.cc Rik <rik@octave.org> parents: 21200 diff changeset	147 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	148 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	149 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	150
2e64b5899d1f maint: invert if/else/error pattern in variables.cc Rik <rik@octave.org> parents: 21200 diff changeset	151 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	152
2e64b5899d1f maint: invert if/else/error pattern in variables.cc Rik <rik@octave.org> parents: 21200 diff changeset	153 if (! retval)
2e64b5899d1f maint: invert if/else/error pattern in variables.cc Rik <rik@octave.org> parents: 21200 diff changeset	154 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	155 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	156
2e64b5899d1f maint: invert if/else/error pattern in variables.cc Rik <rik@octave.org> parents: 21200 diff changeset	157 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	158 warn_for.c_str ());
2796 74bc1ede3c3d [project @ 1997-03-07 06:55:47 by jwe] jwe parents: 2790 diff changeset	159 }
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 return retval;
74bc1ede3c3d [project @ 1997-03-07 06:55:47 by jwe] jwe parents: 2790 diff changeset	162 }
74bc1ede3c3d [project @ 1997-03-07 06:55:47 by jwe] jwe parents: 2790 diff changeset	163
23701 a6e49930ddd2 avoid some global access to interpreter and symbol table John W. Eaton <jwe@octave.org> parents: 23699 diff changeset	164 DEFMETHOD (isglobal, interp, args, ,
a6e49930ddd2 avoid some global access to interpreter and symbol table John W. Eaton <jwe@octave.org> parents: 23699 diff changeset	165 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	166 @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	167 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	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 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	170
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	171 @example
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	172 @group
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	173 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	174 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	175 @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	176 @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	177 @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	178 @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	179 @end deftypefn */)
5930 a703198cb8b8 [project @ 2006-08-15 06:06:15 by jwe] jwe parents: 5929 diff changeset	180 {
26661 cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects John W. Eaton <jwe@octave.org> parents: 26446 diff changeset	181 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	182 print_usage ();
23701 a6e49930ddd2 avoid some global access to interpreter and symbol table John W. Eaton <jwe@octave.org> parents: 23699 diff changeset	183
26661 cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects John W. Eaton <jwe@octave.org> parents: 26446 diff changeset	184 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	185
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects John W. Eaton <jwe@octave.org> parents: 26446 diff changeset	186 return ovl (interp.isglobal (name));
5930 a703198cb8b8 [project @ 2006-08-15 06:06:15 by jwe] jwe parents: 5929 diff changeset	187 }
a703198cb8b8 [project @ 2006-08-15 06:06:15 by jwe] jwe parents: 5929 diff changeset	188
21389 64efef931bd0 Add BIST tests for bitpack, bitunpack, isglobal, and typecast Mike Miller <mtmiller@octave.org> parents: 21317 diff changeset	189 /*
64efef931bd0 Add BIST tests for bitpack, bitunpack, isglobal, and typecast Mike Miller <mtmiller@octave.org> parents: 21317 diff changeset	190 %!test
64efef931bd0 Add BIST tests for bitpack, bitunpack, isglobal, and typecast Mike Miller <mtmiller@octave.org> parents: 21317 diff changeset	191 %! global x;
21580 ecce63c99c3f maint: Add semicolons to terminate code in %! blocks. Rik <rik@octave.org> parents: 21568 diff changeset	192 %! assert (isglobal ("x"), true);
25762 97ea2329d5d8 Use nested functions to prevent leaking globals in BIST tests. Rik <rik@octave.org> parents: 25646 diff changeset	193 %! 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	194
64efef931bd0 Add BIST tests for bitpack, bitunpack, isglobal, and typecast Mike Miller <mtmiller@octave.org> parents: 21317 diff changeset	195 %!error isglobal ()
64efef931bd0 Add BIST tests for bitpack, bitunpack, isglobal, and typecast Mike Miller <mtmiller@octave.org> parents: 21317 diff changeset	196 %!error isglobal ("a", "b")
64efef931bd0 Add BIST tests for bitpack, bitunpack, isglobal, and typecast Mike Miller <mtmiller@octave.org> parents: 21317 diff changeset	197 %!error isglobal (1)
64efef931bd0 Add BIST tests for bitpack, bitunpack, isglobal, and typecast Mike Miller <mtmiller@octave.org> parents: 21317 diff changeset	198 */
64efef931bd0 Add BIST tests for bitpack, bitunpack, isglobal, and typecast Mike Miller <mtmiller@octave.org> parents: 21317 diff changeset	199
23143 898c33f4b9c0 declare some functions that are only used once "static" John W. Eaton <jwe@octave.org> parents: 23110 diff changeset	200 static int
23701 a6e49930ddd2 avoid some global access to interpreter and symbol table John W. Eaton <jwe@octave.org> parents: 23699 diff changeset	201 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	202 const std::string& type = "any")
593 6f948c6251a9 [project @ 1994-08-09 04:29:10 by jwe] jwe parents: 584 diff changeset	203 {
26059 da2bbcf1fbcd Deprecate C++ function is_keyword in favor of iskeyword for readability. Rik <rik@octave.org> parents: 25952 diff changeset	204 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	205 return 0;
2ca3a2f46d93 improve performance of exist when searching for specific items John W. Eaton <jwe@octave.org> parents: 17861 diff changeset	206
2ca3a2f46d93 improve performance of exist when searching for specific items John W. Eaton <jwe@octave.org> parents: 17861 diff changeset	207 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	208 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	209 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	210 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	211 bool search_builtin = type == "builtin";
20206 3c8260fd0837 Validate second option to exist () (bug #42618). Rik <rik@octave.org> parents: 20181 diff changeset	212 bool search_class = type == "class";
3c8260fd0837 Validate second option to exist () (bug #42618). Rik <rik@octave.org> parents: 20181 diff changeset	213
25951 7a507e71d922 style fixes John W. Eaton <jwe@octave.org> parents: 25463 diff changeset	214 if (! (search_any \|\| search_var \|\| search_dir \|\| search_file
7a507e71d922 style fixes John W. Eaton <jwe@octave.org> parents: 25463 diff changeset	215 \|\| 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	216 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	217
23701 a6e49930ddd2 avoid some global access to interpreter and symbol table John W. Eaton <jwe@octave.org> parents: 23699 diff changeset	218 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	219
17963 2ca3a2f46d93 improve performance of exist when searching for specific items John W. Eaton <jwe@octave.org> parents: 17861 diff changeset	220 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	221 {
26661 cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects John W. Eaton <jwe@octave.org> parents: 26446 diff changeset	222 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	223
23587 0c468af9dc00 maint: Deprecate is_object and replace with isobject. Rik <rik@octave.org> parents: 23584 diff changeset	224 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	225 \|\| 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	226 \|\| 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	227 \|\| 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	228 return 1;
2ca3a2f46d93 improve performance of exist when searching for specific items John W. Eaton <jwe@octave.org> parents: 17861 diff changeset	229
2ca3a2f46d93 improve performance of exist when searching for specific items John W. Eaton <jwe@octave.org> parents: 17861 diff changeset	230 if (search_var)
2ca3a2f46d93 improve performance of exist when searching for specific items John W. Eaton <jwe@octave.org> parents: 17861 diff changeset	231 return 0;
2ca3a2f46d93 improve performance of exist when searching for specific items John W. Eaton <jwe@octave.org> parents: 17861 diff changeset	232 }
2ca3a2f46d93 improve performance of exist when searching for specific items John W. Eaton <jwe@octave.org> parents: 17861 diff changeset	233
18856 de8c67ba7ac4 Use Matlab return hierarchy for exist() codes when no type is specified. Rik <rik@octave.org> parents: 18282 diff changeset	234 // 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	235 // 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	236
22120 5f91c1e89a98 avoid possible crash in exist function (bug #36067) John W. Eaton <jwe@octave.org> parents: 22094 diff changeset	237 // 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	238 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	239 {
23599 5cb3a2bb5e1e don't use singleton for symbol_table John W. Eaton <jwe@octave.org> parents: 23587 diff changeset	240 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	241
5f91c1e89a98 avoid possible crash in exist function (bug #36067) John W. Eaton <jwe@octave.org> parents: 22094 diff changeset	242 if (val.is_defined ())
5f91c1e89a98 avoid possible crash in exist function (bug #36067) John W. Eaton <jwe@octave.org> parents: 22094 diff changeset	243 return 103;
18856 de8c67ba7ac4 Use Matlab return hierarchy for exist() codes when no type is specified. Rik <rik@octave.org> parents: 18282 diff changeset	244 }
de8c67ba7ac4 Use Matlab return hierarchy for exist() codes when no type is specified. Rik <rik@octave.org> parents: 18282 diff changeset	245
17963 2ca3a2f46d93 improve performance of exist when searching for specific items John W. Eaton <jwe@octave.org> parents: 17861 diff changeset	246 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	247 {
27016 9b261300a001 move file-scope static autoload map variable and functions to evaluator John W. Eaton <jwe@octave.org> parents: 26843 diff changeset	248 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	249
9b261300a001 move file-scope static autoload map variable and functions to evaluator John W. Eaton <jwe@octave.org> parents: 26843 diff changeset	250 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	251
2ca3a2f46d93 improve performance of exist when searching for specific items John W. Eaton <jwe@octave.org> parents: 17861 diff changeset	252 if (file_name.empty ())
23438 d24d01273bd0 eliminate load-path singleton John W. Eaton <jwe@octave.org> parents: 23332 diff changeset	253 {
23701 a6e49930ddd2 avoid some global access to interpreter and symbol table John W. Eaton <jwe@octave.org> parents: 23699 diff changeset	254 octave::load_path& lp = interp.get_load_path ();
23438 d24d01273bd0 eliminate load-path singleton John W. Eaton <jwe@octave.org> parents: 23332 diff changeset	255
d24d01273bd0 eliminate load-path singleton John W. Eaton <jwe@octave.org> parents: 23332 diff changeset	256 file_name = lp.find_fcn (name);
d24d01273bd0 eliminate load-path singleton John W. Eaton <jwe@octave.org> parents: 23332 diff changeset	257 }
17963 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 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	260
2ca3a2f46d93 improve performance of exist when searching for specific items John W. Eaton <jwe@octave.org> parents: 17861 diff changeset	261 if (len > 0)
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 (search_any \|\| search_file)
2ca3a2f46d93 improve performance of exist when searching for specific items John W. Eaton <jwe@octave.org> parents: 17861 diff changeset	264 {
2ca3a2f46d93 improve performance of exist when searching for specific items John W. Eaton <jwe@octave.org> parents: 17861 diff changeset	265 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	266 \|\| 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	267 return 3;
2ca3a2f46d93 improve performance of exist when searching for specific items John W. Eaton <jwe@octave.org> parents: 17861 diff changeset	268 else
2ca3a2f46d93 improve performance of exist when searching for specific items John W. Eaton <jwe@octave.org> parents: 17861 diff changeset	269 return 2;
2ca3a2f46d93 improve performance of exist when searching for specific items John W. Eaton <jwe@octave.org> parents: 17861 diff changeset	270 }
2ca3a2f46d93 improve performance of exist when searching for specific items John W. Eaton <jwe@octave.org> parents: 17861 diff changeset	271 }
2ca3a2f46d93 improve performance of exist when searching for specific items John W. Eaton <jwe@octave.org> parents: 17861 diff changeset	272
25646 4d565baa475e move libinterp/utils functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25464 diff changeset	273 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	274
2ca3a2f46d93 improve performance of exist when searching for specific items John W. Eaton <jwe@octave.org> parents: 17861 diff changeset	275 if (file_name.empty ())
2ca3a2f46d93 improve performance of exist when searching for specific items John W. Eaton <jwe@octave.org> parents: 17861 diff changeset	276 file_name = name;
2ca3a2f46d93 improve performance of exist when searching for specific items John W. Eaton <jwe@octave.org> parents: 17861 diff changeset	277
26843 f07542e3a9b9 Fix "exist" for drive letters and UNC shares on Windows (bug #55824). Markus Mützel <markus.muetzel@gmx.de> parents: 26687 diff changeset	278 // "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	279 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	280 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	281
21736 0504351a45e6 use namespace for file_stat classes John W. Eaton <jwe@octave.org> parents: 21733 diff changeset	282 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	283
2ca3a2f46d93 improve performance of exist when searching for specific items John W. Eaton <jwe@octave.org> parents: 17861 diff changeset	284 if (fs)
2ca3a2f46d93 improve performance of exist when searching for specific items John W. Eaton <jwe@octave.org> parents: 17861 diff changeset	285 {
2ca3a2f46d93 improve performance of exist when searching for specific items John W. Eaton <jwe@octave.org> parents: 17861 diff changeset	286 if (search_any \|\| search_file)
19861 19755f4fc851 maint: Cleanup C++ code to follow Octave coding conventions. Rik <rik@octave.org> parents: 19750 diff changeset	287 {
19755f4fc851 maint: Cleanup C++ code to follow Octave coding conventions. Rik <rik@octave.org> parents: 19750 diff changeset	288 if (fs.is_dir ())
19755f4fc851 maint: Cleanup C++ code to follow Octave coding conventions. Rik <rik@octave.org> parents: 19750 diff changeset	289 return 7;
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 len = file_name.length ();
19755f4fc851 maint: Cleanup C++ code to follow Octave coding conventions. Rik <rik@octave.org> parents: 19750 diff changeset	292
19755f4fc851 maint: Cleanup C++ code to follow Octave coding conventions. Rik <rik@octave.org> parents: 19750 diff changeset	293 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	294 \|\| file_name.substr (len-4) == ".mex"))
19755f4fc851 maint: Cleanup C++ code to follow Octave coding conventions. Rik <rik@octave.org> parents: 19750 diff changeset	295 return 3;
19755f4fc851 maint: Cleanup C++ code to follow Octave coding conventions. Rik <rik@octave.org> parents: 19750 diff changeset	296 else
19755f4fc851 maint: Cleanup C++ code to follow Octave coding conventions. Rik <rik@octave.org> parents: 19750 diff changeset	297 return 2;
19755f4fc851 maint: Cleanup C++ code to follow Octave coding conventions. Rik <rik@octave.org> parents: 19750 diff changeset	298 }
17963 2ca3a2f46d93 improve performance of exist when searching for specific items John W. Eaton <jwe@octave.org> parents: 17861 diff changeset	299 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	300 return 7;
2ca3a2f46d93 improve performance of exist when searching for specific items John W. Eaton <jwe@octave.org> parents: 17861 diff changeset	301 }
2ca3a2f46d93 improve performance of exist when searching for specific items John W. Eaton <jwe@octave.org> parents: 17861 diff changeset	302
2ca3a2f46d93 improve performance of exist when searching for specific items John W. Eaton <jwe@octave.org> parents: 17861 diff changeset	303 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	304 return 0;
2ca3a2f46d93 improve performance of exist when searching for specific items John W. Eaton <jwe@octave.org> parents: 17861 diff changeset	305 }
1277 db4f4009d6e8 [project @ 1995-04-24 20:35:06 by jwe] jwe parents: 1271 diff changeset	306
22120 5f91c1e89a98 avoid possible crash in exist function (bug #36067) John W. Eaton <jwe@octave.org> parents: 22094 diff changeset	307 if (search_any \|\| search_builtin)
5f91c1e89a98 avoid possible crash in exist function (bug #36067) John W. Eaton <jwe@octave.org> parents: 22094 diff changeset	308 {
23599 5cb3a2bb5e1e don't use singleton for symbol_table John W. Eaton <jwe@octave.org> parents: 23587 diff changeset	309 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	310 return 5;
5f91c1e89a98 avoid possible crash in exist function (bug #36067) John W. Eaton <jwe@octave.org> parents: 22094 diff changeset	311
5f91c1e89a98 avoid possible crash in exist function (bug #36067) John W. Eaton <jwe@octave.org> parents: 22094 diff changeset	312 if (search_builtin)
5f91c1e89a98 avoid possible crash in exist function (bug #36067) John W. Eaton <jwe@octave.org> parents: 22094 diff changeset	313 return 0;
5f91c1e89a98 avoid possible crash in exist function (bug #36067) John W. Eaton <jwe@octave.org> parents: 22094 diff changeset	314 }
4016 139f5273d0f8 [project @ 2002-08-02 22:55:51 by jwe] jwe parents: 4010 diff changeset	315
17963 2ca3a2f46d93 improve performance of exist when searching for specific items John W. Eaton <jwe@octave.org> parents: 17861 diff changeset	316 return 0;
593 6f948c6251a9 [project @ 1994-08-09 04:29:10 by jwe] jwe parents: 584 diff changeset	317 }
6f948c6251a9 [project @ 1994-08-09 04:29:10 by jwe] jwe parents: 584 diff changeset	318
23927 e3a36f84d01d provide variable-editor widget for the GUI Michael Barnes <mjbcode@runbox.com> parents: 23829 diff changeset	319 int
e3a36f84d01d provide variable-editor widget for the GUI Michael Barnes <mjbcode@runbox.com> parents: 23829 diff changeset	320 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	321 {
e3a36f84d01d provide variable-editor widget for the GUI Michael Barnes <mjbcode@runbox.com> parents: 23829 diff changeset	322 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	323
e3a36f84d01d provide variable-editor widget for the GUI Michael Barnes <mjbcode@runbox.com> parents: 23829 diff changeset	324 return symbol_exist (interp, name, type);
e3a36f84d01d provide variable-editor widget for the GUI Michael Barnes <mjbcode@runbox.com> parents: 23829 diff changeset	325 }
e3a36f84d01d provide variable-editor widget for the GUI Michael Barnes <mjbcode@runbox.com> parents: 23829 diff changeset	326
e3a36f84d01d provide variable-editor widget for the GUI Michael Barnes <mjbcode@runbox.com> parents: 23829 diff changeset	327
22197 e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22196 diff changeset	328 #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	329 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	330
4954 ed0f3cb6d3d4 [project @ 2004-09-01 21:24:53 by jwe] jwe parents: 4930 diff changeset	331 std::string
ed0f3cb6d3d4 [project @ 2004-09-01 21:24:53 by jwe] jwe parents: 4930 diff changeset	332 unique_symbol_name (const std::string& basename)
ed0f3cb6d3d4 [project @ 2004-09-01 21:24:53 by jwe] jwe parents: 4930 diff changeset	333 {
4962 0ab18cbe8b5f [project @ 2004-09-02 16:56:17 by jwe] jwe parents: 4954 diff changeset	334 static const std::string alpha
0ab18cbe8b5f [project @ 2004-09-02 16:56:17 by jwe] jwe parents: 4954 diff changeset	335 = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ";
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 static size_t len = alpha.length ();
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 std::string nm = basename + alpha[GET_IDX (len)];
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 size_t pos = nm.length ();
0ab18cbe8b5f [project @ 2004-09-02 16:56:17 by jwe] jwe parents: 4954 diff changeset	342
0ab18cbe8b5f [project @ 2004-09-02 16:56:17 by jwe] jwe parents: 4954 diff changeset	343 if (nm.substr (0, 2) == "__")
0ab18cbe8b5f [project @ 2004-09-02 16:56:17 by jwe] jwe parents: 4954 diff changeset	344 nm.append ("__");
0ab18cbe8b5f [project @ 2004-09-02 16:56:17 by jwe] jwe parents: 4954 diff changeset	345
23701 a6e49930ddd2 avoid some global access to interpreter and symbol table John W. Eaton <jwe@octave.org> parents: 23699 diff changeset	346 octave::interpreter& interp
a6e49930ddd2 avoid some global access to interpreter and symbol table John W. Eaton <jwe@octave.org> parents: 23699 diff changeset	347 = 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	348
a6e49930ddd2 avoid some global access to interpreter and symbol table John W. Eaton <jwe@octave.org> parents: 23699 diff changeset	349 while (symbol_exist (interp, nm, "any"))
4962 0ab18cbe8b5f [project @ 2004-09-02 16:56:17 by jwe] jwe parents: 4954 diff changeset	350 nm.insert (pos++, 1, alpha[GET_IDX (len)]);
0ab18cbe8b5f [project @ 2004-09-02 16:56:17 by jwe] jwe parents: 4954 diff changeset	351
0ab18cbe8b5f [project @ 2004-09-02 16:56:17 by jwe] jwe parents: 4954 diff changeset	352 return nm;
4954 ed0f3cb6d3d4 [project @ 2004-09-01 21:24:53 by jwe] jwe parents: 4930 diff changeset	353 }
ed0f3cb6d3d4 [project @ 2004-09-01 21:24:53 by jwe] jwe parents: 4930 diff changeset	354
23701 a6e49930ddd2 avoid some global access to interpreter and symbol table John W. Eaton <jwe@octave.org> parents: 23699 diff changeset	355 DEFMETHOD (exist, interp, args, ,
a6e49930ddd2 avoid some global access to interpreter and symbol table John W. Eaton <jwe@octave.org> parents: 23699 diff changeset	356 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	357 @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	358 @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	359 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	360 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	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 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	363
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	364 @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	365 @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	366 @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	367
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	368 @item 2
24485 ad04b8055d91 doc: Note that return code 8 (class) is not implemented for exist(). Rik <rik@octave.org> parents: 24449 diff changeset	369 @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	370 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	371
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	372 @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	373 @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	374
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	375 @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	376 @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	377
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	378 @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	379 @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	380
24485 ad04b8055d91 doc: Note that return code 8 (class) is not implemented for exist(). Rik <rik@octave.org> parents: 24449 diff changeset	381 @item 8
ad04b8055d91 doc: Note that return code 8 (class) is not implemented for exist(). Rik <rik@octave.org> parents: 24449 diff changeset	382 @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	383
21966 112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	384 @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	385 @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	386 line).
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	387
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	388 @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	389 @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	390 @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	391
24485 ad04b8055d91 doc: Note that return code 8 (class) is not implemented for exist(). Rik <rik@octave.org> parents: 24449 diff changeset	392 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	393 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	394
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	395 @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	396 @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	397 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	398
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	399 @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	400 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	401
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	402 @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	403 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	404
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	405 @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	406 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	407
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	408 @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	409 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	410 implemented)
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	411 @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	412
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	413 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	414 @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	415 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	416
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	417 @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	418 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	419 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	420 @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	421
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	422 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	423 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	424 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	425
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	426 @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	427 @end deftypefn */)
4016 139f5273d0f8 [project @ 2002-08-02 22:55:51 by jwe] jwe parents: 4010 diff changeset	428 {
139f5273d0f8 [project @ 2002-08-02 22:55:51 by jwe] jwe parents: 4010 diff changeset	429 int nargin = args.length ();
139f5273d0f8 [project @ 2002-08-02 22:55:51 by jwe] jwe parents: 4010 diff changeset	430
20799 c349d4c91ce2 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20769 diff changeset	431 if (nargin < 1 \|\| nargin > 2)
c349d4c91ce2 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20769 diff changeset	432 print_usage ();
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 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	435
c349d4c91ce2 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20769 diff changeset	436 if (nargin == 2)
4016 139f5273d0f8 [project @ 2002-08-02 22:55:51 by jwe] jwe parents: 4010 diff changeset	437 {
20799 c349d4c91ce2 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20769 diff changeset	438 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	439
c349d4c91ce2 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20769 diff changeset	440 if (type == "class")
23803 90689bdbe048 Use C++11 raw string literals to avoid escaping double quotes. Rik <rik@octave.org> parents: 23795 diff changeset	441 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	442
23701 a6e49930ddd2 avoid some global access to interpreter and symbol table John W. Eaton <jwe@octave.org> parents: 23699 diff changeset	443 return ovl (symbol_exist (interp, name, type));
4016 139f5273d0f8 [project @ 2002-08-02 22:55:51 by jwe] jwe parents: 4010 diff changeset	444 }
139f5273d0f8 [project @ 2002-08-02 22:55:51 by jwe] jwe parents: 4010 diff changeset	445 else
23701 a6e49930ddd2 avoid some global access to interpreter and symbol table John W. Eaton <jwe@octave.org> parents: 23699 diff changeset	446 return ovl (symbol_exist (interp, name));
4016 139f5273d0f8 [project @ 2002-08-02 22:55:51 by jwe] jwe parents: 4010 diff changeset	447 }
139f5273d0f8 [project @ 2002-08-02 22:55:51 by jwe] jwe parents: 4010 diff changeset	448
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	449 /*
18856 de8c67ba7ac4 Use Matlab return hierarchy for exist() codes when no type is specified. Rik <rik@octave.org> parents: 18282 diff changeset	450 %!shared dirtmp, __var1
de8c67ba7ac4 Use Matlab return hierarchy for exist() codes when no type is specified. Rik <rik@octave.org> parents: 18282 diff changeset	451 %! dirtmp = P_tmpdir ();
de8c67ba7ac4 Use Matlab return hierarchy for exist() codes when no type is specified. Rik <rik@octave.org> parents: 18282 diff changeset	452 %! __var1 = 1;
de8c67ba7ac4 Use Matlab return hierarchy for exist() codes when no type is specified. Rik <rik@octave.org> parents: 18282 diff changeset	453
de8c67ba7ac4 Use Matlab return hierarchy for exist() codes when no type is specified. Rik <rik@octave.org> parents: 18282 diff changeset	454 %!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	455 %!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	456 %!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	457 %!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	458 %!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	459 %!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	460
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	461 %!test
14429 eff4a5933e28 Update %!tests in src/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14366 diff changeset	462 %! if (isunix ())
18856 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"), 2);
de8c67ba7ac4 Use Matlab return hierarchy for exist() codes when no type is specified. Rik <rik@octave.org> parents: 18282 diff changeset	464 %! 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	465 %! 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	466 %! 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	467 %! 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	468 %! 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	469 %! endif
18856 de8c67ba7ac4 Use Matlab return hierarchy for exist() codes when no type is specified. Rik <rik@octave.org> parents: 18282 diff changeset	470
19750 2111917d34c4 fix tests failing after changeset c913247c85a8 John W. Eaton <jwe@octave.org> parents: 19743 diff changeset	471 %!assert (exist ("print_usage"), 2)
2111917d34c4 fix tests failing after changeset c913247c85a8 John W. Eaton <jwe@octave.org> parents: 19743 diff changeset	472 %!assert (exist ("print_usage.m"), 2)
2111917d34c4 fix tests failing after changeset c913247c85a8 John W. Eaton <jwe@octave.org> parents: 19743 diff changeset	473 %!assert (exist ("print_usage", "file"), 2)
2111917d34c4 fix tests failing after changeset c913247c85a8 John W. Eaton <jwe@octave.org> parents: 19743 diff changeset	474 %!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	475
20713 2469d78a1d8b Consistently use 'filename' rather than 'file name' throughout code base. Rik <rik@octave.org> parents: 20711 diff changeset	476 ## 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	477 %!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	478 %!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	479 %!assert (exist ("./%nonexistentfile%", "file"), 0)
a4faec57f4c8 maint: remove semicolon after %!assert tests to follow Octave conventions. Rik <rik@octave.org> parents: 21301 diff changeset	480 %!assert (exist ("%nonexistentfile%", "file"), 0)
20181 aa36fb998a4d maint: Remove unnecessary whitespace at end of lines. Rik <rik@octave.org> parents: 20178 diff changeset	481
20713 2469d78a1d8b Consistently use 'filename' rather than 'file name' throughout code base. Rik <rik@octave.org> parents: 20711 diff changeset	482 ## 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	483 %!test
26677 33f79d94f21f Create any BIST temporary files in writable temporary directory (bug #55565). Rik <rik@octave.org> parents: 26661 diff changeset	484 %! tname = tempname ();
19915 85c5a81c6ddd Rewrite BIST tests for exist to pass on Windows (bug #44445). Rik <rik@octave.org> parents: 19864 diff changeset	485 %! unwind_protect
85c5a81c6ddd Rewrite BIST tests for exist to pass on Windows (bug #44445). Rik <rik@octave.org> parents: 19864 diff changeset	486 %! ## 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	487 %! fid = fopen (tname, "w");
85c5a81c6ddd Rewrite BIST tests for exist to pass on Windows (bug #44445). Rik <rik@octave.org> parents: 19864 diff changeset	488 %! fclose (fid);
85c5a81c6ddd Rewrite BIST tests for exist to pass on Windows (bug #44445). Rik <rik@octave.org> parents: 19864 diff changeset	489 %! [~, 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	490 %! 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	491 %! unwind_protect_cleanup
85c5a81c6ddd Rewrite BIST tests for exist to pass on Windows (bug #44445). Rik <rik@octave.org> parents: 19864 diff changeset	492 %! unlink (tname);
85c5a81c6ddd Rewrite BIST tests for exist to pass on Windows (bug #44445). Rik <rik@octave.org> parents: 19864 diff changeset	493 %! end_unwind_protect
85c5a81c6ddd Rewrite BIST tests for exist to pass on Windows (bug #44445). Rik <rik@octave.org> parents: 19864 diff changeset	494 %! 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	495
18856 de8c67ba7ac4 Use Matlab return hierarchy for exist() codes when no type is specified. Rik <rik@octave.org> parents: 18282 diff changeset	496 %!testif HAVE_CHOLMOD
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"), 3);
18858 a1dde4d4c45c Return correct exist code for mex files when .mex extension given (bug #42614). Rik <rik@octave.org> parents: 18856 diff changeset	498 %! 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	499 %! 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	500 %! 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	501
de8c67ba7ac4 Use Matlab return hierarchy for exist() codes when no type is specified. Rik <rik@octave.org> parents: 18282 diff changeset	502 %!assert (exist ("sin"), 5)
18861 da6ffbf75edf Simplify exist() code for recognizing command line functions. Rik <rik@octave.org> parents: 18858 diff changeset	503 %!assert (exist ("sin", "builtin"), 5)
da6ffbf75edf Simplify exist() code for recognizing command line functions. Rik <rik@octave.org> parents: 18858 diff changeset	504 %!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	505
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), 7)
de8c67ba7ac4 Use Matlab return hierarchy for exist() codes when no type is specified. Rik <rik@octave.org> parents: 18282 diff changeset	507 %!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	508 %!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	509
18880 ca0d9844dfd7 Fix input validation for exist() which did not error on non-string input. Rik <rik@octave.org> parents: 18879 diff changeset	510 %!error exist ()
ca0d9844dfd7 Fix input validation for exist() which did not error on non-string input. Rik <rik@octave.org> parents: 18879 diff changeset	511 %!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	512 %!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	513 %!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	514 %!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	515 %!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	516
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	517 */
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	518
593 6f948c6251a9 [project @ 1994-08-09 04:29:10 by jwe] jwe parents: 584 diff changeset	519 // Variable values.
195 13c6086c325c [project @ 1993-11-06 10:12:29 by jwe] jwe parents: 191 diff changeset	520
10637 9cd5aa83fa62 implement 'local' parameter to pseudo-variables Jaroslav Hajek <highegg@gmail.com> parents: 10521 diff changeset	521 static bool
9cd5aa83fa62 implement 'local' parameter to pseudo-variables Jaroslav Hajek <highegg@gmail.com> parents: 10521 diff changeset	522 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	523 {
9cd5aa83fa62 implement 'local' parameter to pseudo-variables Jaroslav Hajek <highegg@gmail.com> parents: 10521 diff changeset	524 bool retval = false;
9cd5aa83fa62 implement 'local' parameter to pseudo-variables Jaroslav Hajek <highegg@gmail.com> parents: 10521 diff changeset	525
9cd5aa83fa62 implement 'local' parameter to pseudo-variables Jaroslav Hajek <highegg@gmail.com> parents: 10521 diff changeset	526 if (nargin == 2)
9cd5aa83fa62 implement 'local' parameter to pseudo-variables Jaroslav Hajek <highegg@gmail.com> parents: 10521 diff changeset	527 {
21224 2e64b5899d1f maint: invert if/else/error pattern in variables.cc Rik <rik@octave.org> parents: 21200 diff changeset	528 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	529 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	530
2e64b5899d1f maint: invert if/else/error pattern in variables.cc Rik <rik@octave.org> parents: 21200 diff changeset	531 nargin = 1;
2e64b5899d1f maint: invert if/else/error pattern in variables.cc Rik <rik@octave.org> parents: 21200 diff changeset	532 retval = true;
10637 9cd5aa83fa62 implement 'local' parameter to pseudo-variables Jaroslav Hajek <highegg@gmail.com> parents: 10521 diff changeset	533 }
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 return retval;
9cd5aa83fa62 implement 'local' parameter to pseudo-variables Jaroslav Hajek <highegg@gmail.com> parents: 10521 diff changeset	536 }
9cd5aa83fa62 implement 'local' parameter to pseudo-variables Jaroslav Hajek <highegg@gmail.com> parents: 10521 diff changeset	537
23704 c495549e9a94 refactor local protection for internal variables John W. Eaton <jwe@octave.org> parents: 23703 diff changeset	538 static octave::unwind_protect *
c495549e9a94 refactor local protection for internal variables John W. Eaton <jwe@octave.org> parents: 23703 diff changeset	539 curr_fcn_unwind_protect_frame (void)
10637 9cd5aa83fa62 implement 'local' parameter to pseudo-variables Jaroslav Hajek <highegg@gmail.com> parents: 10521 diff changeset	540 {
27204 9a3e92d02a03 eliminate direct access to call stack in variables functions John W. Eaton <jwe@octave.org> parents: 27160 diff changeset	541 octave::tree_evaluator& tw
9a3e92d02a03 eliminate direct access to call stack in variables functions John W. Eaton <jwe@octave.org> parents: 27160 diff changeset	542 = 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	543
27204 9a3e92d02a03 eliminate direct access to call stack in variables functions John W. Eaton <jwe@octave.org> parents: 27160 diff changeset	544 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	545 }
c495549e9a94 refactor local protection for internal variables John W. Eaton <jwe@octave.org> parents: 23703 diff changeset	546
c495549e9a94 refactor local protection for internal variables John W. Eaton <jwe@octave.org> parents: 23703 diff changeset	547 template <typename T>
c495549e9a94 refactor local protection for internal variables John W. Eaton <jwe@octave.org> parents: 23703 diff changeset	548 static bool
c495549e9a94 refactor local protection for internal variables John W. Eaton <jwe@octave.org> parents: 23703 diff changeset	549 try_local_protect (T& var)
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 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	552
c495549e9a94 refactor local protection for internal variables John W. Eaton <jwe@octave.org> parents: 23703 diff changeset	553 if (frame)
c495549e9a94 refactor local protection for internal variables John W. Eaton <jwe@octave.org> parents: 23703 diff changeset	554 {
c495549e9a94 refactor local protection for internal variables John W. Eaton <jwe@octave.org> parents: 23703 diff changeset	555 frame->protect_var (var);
c495549e9a94 refactor local protection for internal variables John W. Eaton <jwe@octave.org> parents: 23703 diff changeset	556 return true;
c495549e9a94 refactor local protection for internal variables John W. Eaton <jwe@octave.org> parents: 23703 diff changeset	557 }
10637 9cd5aa83fa62 implement 'local' parameter to pseudo-variables Jaroslav Hajek <highegg@gmail.com> parents: 10521 diff changeset	558 else
9cd5aa83fa62 implement 'local' parameter to pseudo-variables Jaroslav Hajek <highegg@gmail.com> parents: 10521 diff changeset	559 return false;
9cd5aa83fa62 implement 'local' parameter to pseudo-variables Jaroslav Hajek <highegg@gmail.com> parents: 10521 diff changeset	560 }
9cd5aa83fa62 implement 'local' parameter to pseudo-variables Jaroslav Hajek <highegg@gmail.com> parents: 10521 diff changeset	561
5791 70215aff5ccf [project @ 2006-05-04 18:38:45 by jwe] jwe parents: 5781 diff changeset	562 octave_value
70215aff5ccf [project @ 2006-05-04 18:38:45 by jwe] jwe parents: 5781 diff changeset	563 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	564 int nargout, const char *nm)
5791 70215aff5ccf [project @ 2006-05-04 18:38:45 by jwe] jwe parents: 5781 diff changeset	565 {
5794 1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5791 diff changeset	566 octave_value retval;
1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5791 diff changeset	567
5800 e8be7fe586f9 [project @ 2006-05-10 06:50:45 by jwe] jwe parents: 5794 diff changeset	568 int nargin = args.length ();
e8be7fe586f9 [project @ 2006-05-10 06:50:45 by jwe] jwe parents: 5794 diff changeset	569
e8be7fe586f9 [project @ 2006-05-10 06:50:45 by jwe] jwe parents: 5794 diff changeset	570 if (nargout > 0 \|\| nargin == 0)
5794 1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5791 diff changeset	571 retval = var;
5791 70215aff5ccf [project @ 2006-05-04 18:38:45 by jwe] jwe parents: 5781 diff changeset	572
10637 9cd5aa83fa62 implement 'local' parameter to pseudo-variables Jaroslav Hajek <highegg@gmail.com> parents: 10521 diff changeset	573 if (wants_local_change (args, nargin))
9cd5aa83fa62 implement 'local' parameter to pseudo-variables Jaroslav Hajek <highegg@gmail.com> parents: 10521 diff changeset	574 {
9cd5aa83fa62 implement 'local' parameter to pseudo-variables Jaroslav Hajek <highegg@gmail.com> parents: 10521 diff changeset	575 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	576 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	577 }
9cd5aa83fa62 implement 'local' parameter to pseudo-variables Jaroslav Hajek <highegg@gmail.com> parents: 10521 diff changeset	578
20939 b17fda023ca6 maint: Use new C++ archetype in more files. Rik <rik@octave.org> parents: 20925 diff changeset	579 if (nargin > 1)
b17fda023ca6 maint: Use new C++ archetype in more files. Rik <rik@octave.org> parents: 20925 diff changeset	580 print_usage ();
b17fda023ca6 maint: Use new C++ archetype in more files. Rik <rik@octave.org> parents: 20925 diff changeset	581
5791 70215aff5ccf [project @ 2006-05-04 18:38:45 by jwe] jwe parents: 5781 diff changeset	582 if (nargin == 1)
70215aff5ccf [project @ 2006-05-04 18:38:45 by jwe] jwe parents: 5781 diff changeset	583 {
20711 7b608fadc663 Make error messages more specific about the variable and problem encountered. Rik <rik@octave.org> parents: 20704 diff changeset	584 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	585
571508c1ed06 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20700 diff changeset	586 var = bval;
5791 70215aff5ccf [project @ 2006-05-04 18:38:45 by jwe] jwe parents: 5781 diff changeset	587 }
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 return retval;
70215aff5ccf [project @ 2006-05-04 18:38:45 by jwe] jwe parents: 5781 diff changeset	590 }
70215aff5ccf [project @ 2006-05-04 18:38:45 by jwe] jwe parents: 5781 diff changeset	591
70215aff5ccf [project @ 2006-05-04 18:38:45 by jwe] jwe parents: 5781 diff changeset	592 octave_value
5794 1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5791 diff changeset	593 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	594 int nargout, const char *nm)
5791 70215aff5ccf [project @ 2006-05-04 18:38:45 by jwe] jwe parents: 5781 diff changeset	595 {
5794 1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5791 diff changeset	596 octave_value retval;
1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5791 diff changeset	597
5800 e8be7fe586f9 [project @ 2006-05-10 06:50:45 by jwe] jwe parents: 5794 diff changeset	598 int nargin = args.length ();
e8be7fe586f9 [project @ 2006-05-10 06:50:45 by jwe] jwe parents: 5794 diff changeset	599
e8be7fe586f9 [project @ 2006-05-10 06:50:45 by jwe] jwe parents: 5794 diff changeset	600 if (nargout > 0 \|\| nargin == 0)
5794 1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5791 diff changeset	601 retval = var;
5791 70215aff5ccf [project @ 2006-05-04 18:38:45 by jwe] jwe parents: 5781 diff changeset	602
10637 9cd5aa83fa62 implement 'local' parameter to pseudo-variables Jaroslav Hajek <highegg@gmail.com> parents: 10521 diff changeset	603 if (wants_local_change (args, nargin))
9cd5aa83fa62 implement 'local' parameter to pseudo-variables Jaroslav Hajek <highegg@gmail.com> parents: 10521 diff changeset	604 {
9cd5aa83fa62 implement 'local' parameter to pseudo-variables Jaroslav Hajek <highegg@gmail.com> parents: 10521 diff changeset	605 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	606 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	607 }
9cd5aa83fa62 implement 'local' parameter to pseudo-variables Jaroslav Hajek <highegg@gmail.com> parents: 10521 diff changeset	608
20939 b17fda023ca6 maint: Use new C++ archetype in more files. Rik <rik@octave.org> parents: 20925 diff changeset	609 if (nargin > 1)
b17fda023ca6 maint: Use new C++ archetype in more files. Rik <rik@octave.org> parents: 20925 diff changeset	610 print_usage ();
b17fda023ca6 maint: Use new C++ archetype in more files. Rik <rik@octave.org> parents: 20925 diff changeset	611
5791 70215aff5ccf [project @ 2006-05-04 18:38:45 by jwe] jwe parents: 5781 diff changeset	612 if (nargin == 1)
70215aff5ccf [project @ 2006-05-04 18:38:45 by jwe] jwe parents: 5781 diff changeset	613 {
20700 68e3a747ca02 rename octave_value value extractors that accept error message args John W. Eaton <jwe@octave.org> parents: 20581 diff changeset	614 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	615
fd0efcdb3718 use new string_value method to handle value extraction errors John W. Eaton <jwe@octave.org> parents: 20556 diff changeset	616 switch (sval.length ())
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	617 {
20581 fd0efcdb3718 use new string_value method to handle value extraction errors John W. Eaton <jwe@octave.org> parents: 20556 diff changeset	618 case 1:
fd0efcdb3718 use new string_value method to handle value extraction errors John W. Eaton <jwe@octave.org> parents: 20556 diff changeset	619 var = sval[0];
fd0efcdb3718 use new string_value method to handle value extraction errors John W. Eaton <jwe@octave.org> parents: 20556 diff changeset	620 break;
fd0efcdb3718 use new string_value method to handle value extraction errors John W. Eaton <jwe@octave.org> parents: 20556 diff changeset	621
fd0efcdb3718 use new string_value method to handle value extraction errors John W. Eaton <jwe@octave.org> parents: 20556 diff changeset	622 case 0:
fd0efcdb3718 use new string_value method to handle value extraction errors John W. Eaton <jwe@octave.org> parents: 20556 diff changeset	623 var = '\0';
fd0efcdb3718 use new string_value method to handle value extraction errors John W. Eaton <jwe@octave.org> parents: 20556 diff changeset	624 break;
fd0efcdb3718 use new string_value method to handle value extraction errors John W. Eaton <jwe@octave.org> parents: 20556 diff changeset	625
fd0efcdb3718 use new string_value method to handle value extraction errors John W. Eaton <jwe@octave.org> parents: 20556 diff changeset	626 default:
fd0efcdb3718 use new string_value method to handle value extraction errors John W. Eaton <jwe@octave.org> parents: 20556 diff changeset	627 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	628 break;
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	629 }
5794 1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5791 diff changeset	630 }
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 return retval;
1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5791 diff changeset	633 }
1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5791 diff changeset	634
1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5791 diff changeset	635 octave_value
1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5791 diff changeset	636 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	637 int nargout, const char *nm,
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	638 int minval, int maxval)
5794 1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5791 diff changeset	639 {
1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5791 diff changeset	640 octave_value retval;
1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5791 diff changeset	641
5800 e8be7fe586f9 [project @ 2006-05-10 06:50:45 by jwe] jwe parents: 5794 diff changeset	642 int nargin = args.length ();
e8be7fe586f9 [project @ 2006-05-10 06:50:45 by jwe] jwe parents: 5794 diff changeset	643
e8be7fe586f9 [project @ 2006-05-10 06:50:45 by jwe] jwe parents: 5794 diff changeset	644 if (nargout > 0 \|\| nargin == 0)
5794 1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5791 diff changeset	645 retval = var;
1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5791 diff changeset	646
10637 9cd5aa83fa62 implement 'local' parameter to pseudo-variables Jaroslav Hajek <highegg@gmail.com> parents: 10521 diff changeset	647 if (wants_local_change (args, nargin))
9cd5aa83fa62 implement 'local' parameter to pseudo-variables Jaroslav Hajek <highegg@gmail.com> parents: 10521 diff changeset	648 {
9cd5aa83fa62 implement 'local' parameter to pseudo-variables Jaroslav Hajek <highegg@gmail.com> parents: 10521 diff changeset	649 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	650 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	651 }
9cd5aa83fa62 implement 'local' parameter to pseudo-variables Jaroslav Hajek <highegg@gmail.com> parents: 10521 diff changeset	652
20939 b17fda023ca6 maint: Use new C++ archetype in more files. Rik <rik@octave.org> parents: 20925 diff changeset	653 if (nargin > 1)
b17fda023ca6 maint: Use new C++ archetype in more files. Rik <rik@octave.org> parents: 20925 diff changeset	654 print_usage ();
b17fda023ca6 maint: Use new C++ archetype in more files. Rik <rik@octave.org> parents: 20925 diff changeset	655
5794 1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5791 diff changeset	656 if (nargin == 1)
1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5791 diff changeset	657 {
20711 7b608fadc663 Make error messages more specific about the variable and problem encountered. Rik <rik@octave.org> parents: 20704 diff changeset	658 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	659
571508c1ed06 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20700 diff changeset	660 if (ival < minval)
20711 7b608fadc663 Make error messages more specific about the variable and problem encountered. Rik <rik@octave.org> parents: 20704 diff changeset	661 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	662 if (ival > maxval)
21055 5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21017 diff changeset	663 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	664
2e64b5899d1f maint: invert if/else/error pattern in variables.cc Rik <rik@octave.org> parents: 21200 diff changeset	665 var = ival;
5794 1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5791 diff changeset	666 }
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 return retval;
1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5791 diff changeset	669 }
1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5791 diff changeset	670
1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5791 diff changeset	671 octave_value
1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5791 diff changeset	672 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	673 int nargout, const char *nm,
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	674 double minval, double maxval)
5794 1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5791 diff changeset	675 {
1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5791 diff changeset	676 octave_value retval;
1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5791 diff changeset	677
5800 e8be7fe586f9 [project @ 2006-05-10 06:50:45 by jwe] jwe parents: 5794 diff changeset	678 int nargin = args.length ();
e8be7fe586f9 [project @ 2006-05-10 06:50:45 by jwe] jwe parents: 5794 diff changeset	679
e8be7fe586f9 [project @ 2006-05-10 06:50:45 by jwe] jwe parents: 5794 diff changeset	680 if (nargout > 0 \|\| nargin == 0)
5794 1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5791 diff changeset	681 retval = var;
1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5791 diff changeset	682
10637 9cd5aa83fa62 implement 'local' parameter to pseudo-variables Jaroslav Hajek <highegg@gmail.com> parents: 10521 diff changeset	683 if (wants_local_change (args, nargin))
9cd5aa83fa62 implement 'local' parameter to pseudo-variables Jaroslav Hajek <highegg@gmail.com> parents: 10521 diff changeset	684 {
9cd5aa83fa62 implement 'local' parameter to pseudo-variables Jaroslav Hajek <highegg@gmail.com> parents: 10521 diff changeset	685 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	686 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	687 }
9cd5aa83fa62 implement 'local' parameter to pseudo-variables Jaroslav Hajek <highegg@gmail.com> parents: 10521 diff changeset	688
20939 b17fda023ca6 maint: Use new C++ archetype in more files. Rik <rik@octave.org> parents: 20925 diff changeset	689 if (nargin > 1)
b17fda023ca6 maint: Use new C++ archetype in more files. Rik <rik@octave.org> parents: 20925 diff changeset	690 print_usage ();
b17fda023ca6 maint: Use new C++ archetype in more files. Rik <rik@octave.org> parents: 20925 diff changeset	691
5794 1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5791 diff changeset	692 if (nargin == 1)
1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5791 diff changeset	693 {
20711 7b608fadc663 Make error messages more specific about the variable and problem encountered. Rik <rik@octave.org> parents: 20704 diff changeset	694 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	695
571508c1ed06 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20700 diff changeset	696 if (dval < minval)
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 greater than %g", nm, minval);
21224 2e64b5899d1f maint: invert if/else/error pattern in variables.cc Rik <rik@octave.org> parents: 21200 diff changeset	698 if (dval > maxval)
26107 05dfcb24ef12 Supply missing arguments to variable length printf functions (bug #55046). Rik <rik@octave.org>* parents: 26089 diff changeset	699 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	700
2e64b5899d1f maint: invert if/else/error pattern in variables.cc Rik <rik@octave.org> parents: 21200 diff changeset	701 var = dval;
5794 1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5791 diff changeset	702 }
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 return retval;
1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5791 diff changeset	705 }
1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5791 diff changeset	706
1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5791 diff changeset	707 octave_value
1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5791 diff changeset	708 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	709 int nargout, const char *nm, bool empty_ok)
5794 1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5791 diff changeset	710 {
1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5791 diff changeset	711 octave_value retval;
1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5791 diff changeset	712
5800 e8be7fe586f9 [project @ 2006-05-10 06:50:45 by jwe] jwe parents: 5794 diff changeset	713 int nargin = args.length ();
e8be7fe586f9 [project @ 2006-05-10 06:50:45 by jwe] jwe parents: 5794 diff changeset	714
e8be7fe586f9 [project @ 2006-05-10 06:50:45 by jwe] jwe parents: 5794 diff changeset	715 if (nargout > 0 \|\| nargin == 0)
5794 1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5791 diff changeset	716 retval = var;
1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5791 diff changeset	717
10637 9cd5aa83fa62 implement 'local' parameter to pseudo-variables Jaroslav Hajek <highegg@gmail.com> parents: 10521 diff changeset	718 if (wants_local_change (args, nargin))
9cd5aa83fa62 implement 'local' parameter to pseudo-variables Jaroslav Hajek <highegg@gmail.com> parents: 10521 diff changeset	719 {
9cd5aa83fa62 implement 'local' parameter to pseudo-variables Jaroslav Hajek <highegg@gmail.com> parents: 10521 diff changeset	720 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	721 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	722 }
9cd5aa83fa62 implement 'local' parameter to pseudo-variables Jaroslav Hajek <highegg@gmail.com> parents: 10521 diff changeset	723
20939 b17fda023ca6 maint: Use new C++ archetype in more files. Rik <rik@octave.org> parents: 20925 diff changeset	724 if (nargin > 1)
b17fda023ca6 maint: Use new C++ archetype in more files. Rik <rik@octave.org> parents: 20925 diff changeset	725 print_usage ();
b17fda023ca6 maint: Use new C++ archetype in more files. Rik <rik@octave.org> parents: 20925 diff changeset	726
5794 1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5791 diff changeset	727 if (nargin == 1)
1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5791 diff changeset	728 {
20700 68e3a747ca02 rename octave_value value extractors that accept error message args John W. Eaton <jwe@octave.org> parents: 20581 diff changeset	729 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	730
21224 2e64b5899d1f maint: invert if/else/error pattern in variables.cc Rik <rik@octave.org> parents: 21200 diff changeset	731 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	732 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	733
2e64b5899d1f maint: invert if/else/error pattern in variables.cc Rik <rik@octave.org> parents: 21200 diff changeset	734 var = sval;
5791 70215aff5ccf [project @ 2006-05-04 18:38:45 by jwe] jwe parents: 5781 diff changeset	735 }
1 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 return retval;
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	738 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	739
10638 e1559a8a60b4 general mechanism for string enum variables Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	740 octave_value
e1559a8a60b4 general mechanism for string enum variables Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	741 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	742 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	743 {
e1559a8a60b4 general mechanism for string enum variables Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	744 octave_value retval;
10640 5c594472f75e determine string enum length by trailing null rather than sizeof Jaroslav Hajek <highegg@gmail.com> parents: 10638 diff changeset	745 int nchoices = 0;
23795 980f39c3ab90 Use C++11 nullptr rather than 0 in code (bug #51565). Rik <rik@octave.org> parents: 23704 diff changeset	746 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	747 nchoices++;
10638 e1559a8a60b4 general mechanism for string enum variables Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	748
e1559a8a60b4 general mechanism for string enum variables Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	749 int nargin = args.length ();
20799 c349d4c91ce2 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20769 diff changeset	750
10638 e1559a8a60b4 general mechanism for string enum variables Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	751 assert (var < nchoices);
e1559a8a60b4 general mechanism for string enum variables Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	752
e1559a8a60b4 general mechanism for string enum variables Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	753 if (nargout > 0 \|\| nargin == 0)
e1559a8a60b4 general mechanism for string enum variables Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	754 retval = choices[var];
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 (wants_local_change (args, nargin))
e1559a8a60b4 general mechanism for string enum variables Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	757 {
e1559a8a60b4 general mechanism for string enum variables Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	758 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	759 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	760 }
e1559a8a60b4 general mechanism for string enum variables Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	761
20939 b17fda023ca6 maint: Use new C++ archetype in more files. Rik <rik@octave.org> parents: 20925 diff changeset	762 if (nargin > 1)
b17fda023ca6 maint: Use new C++ archetype in more files. Rik <rik@octave.org> parents: 20925 diff changeset	763 print_usage ();
b17fda023ca6 maint: Use new C++ archetype in more files. Rik <rik@octave.org> parents: 20925 diff changeset	764
10638 e1559a8a60b4 general mechanism for string enum variables Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	765 if (nargin == 1)
e1559a8a60b4 general mechanism for string enum variables Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	766 {
20700 68e3a747ca02 rename octave_value value extractors that accept error message args John W. Eaton <jwe@octave.org> parents: 20581 diff changeset	767 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	768
fd0efcdb3718 use new string_value method to handle value extraction errors John W. Eaton <jwe@octave.org> parents: 20556 diff changeset	769 int i = 0;
fd0efcdb3718 use new string_value method to handle value extraction errors John W. Eaton <jwe@octave.org> parents: 20556 diff changeset	770 for (; i < nchoices; 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 if (sval == choices[i])
10638 e1559a8a60b4 general mechanism for string enum variables Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	773 {
20581 fd0efcdb3718 use new string_value method to handle value extraction errors John W. Eaton <jwe@octave.org> parents: 20556 diff changeset	774 var = i;
fd0efcdb3718 use new string_value method to handle value extraction errors John W. Eaton <jwe@octave.org> parents: 20556 diff changeset	775 break;
10638 e1559a8a60b4 general mechanism for string enum variables Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	776 }
e1559a8a60b4 general mechanism for string enum variables Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	777 }
20581 fd0efcdb3718 use new string_value method to handle value extraction errors John W. Eaton <jwe@octave.org> parents: 20556 diff changeset	778 if (i == nchoices)
23803 90689bdbe048 Use C++11 raw string literals to avoid escaping double quotes. Rik <rik@octave.org> parents: 23795 diff changeset	779 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	780 }
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 return retval;
e1559a8a60b4 general mechanism for string enum variables Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	783 }
e1559a8a60b4 general mechanism for string enum variables Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	784
21272 987c1a79d33f new set_internal_variable variant John W. Eaton <jwe@octave.org> parents: 21224 diff changeset	785 octave_value
987c1a79d33f new set_internal_variable variant John W. Eaton <jwe@octave.org> parents: 21224 diff changeset	786 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	787 int nargout, const char nm, const char *choices)
987c1a79d33f new set_internal_variable variant John W. Eaton <jwe@octave.org> parents: 21224 diff changeset	788 {
987c1a79d33f new set_internal_variable variant John W. Eaton <jwe@octave.org> parents: 21224 diff changeset	789 octave_value retval;
987c1a79d33f new set_internal_variable variant John W. Eaton <jwe@octave.org> parents: 21224 diff changeset	790 int nchoices = 0;
23795 980f39c3ab90 Use C++11 nullptr rather than 0 in code (bug #51565). Rik <rik@octave.org> parents: 23704 diff changeset	791 while (choices[nchoices] != nullptr)
21272 987c1a79d33f new set_internal_variable variant John W. Eaton <jwe@octave.org> parents: 21224 diff changeset	792 nchoices++;
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 int nargin = args.length ();
987c1a79d33f new set_internal_variable variant John W. Eaton <jwe@octave.org> parents: 21224 diff changeset	795
987c1a79d33f new set_internal_variable variant John W. Eaton <jwe@octave.org> parents: 21224 diff changeset	796 if (nargout > 0 \|\| nargin == 0)
987c1a79d33f new set_internal_variable variant John W. Eaton <jwe@octave.org> parents: 21224 diff changeset	797 retval = var;
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 (wants_local_change (args, nargin))
987c1a79d33f new set_internal_variable variant John W. Eaton <jwe@octave.org> parents: 21224 diff changeset	800 {
987c1a79d33f new set_internal_variable variant John W. Eaton <jwe@octave.org> parents: 21224 diff changeset	801 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	802 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	803 }
987c1a79d33f new set_internal_variable variant John W. Eaton <jwe@octave.org> parents: 21224 diff changeset	804
987c1a79d33f new set_internal_variable variant John W. Eaton <jwe@octave.org> parents: 21224 diff changeset	805 if (nargin > 1)
987c1a79d33f new set_internal_variable variant John W. Eaton <jwe@octave.org> parents: 21224 diff changeset	806 print_usage ();
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 if (nargin == 1)
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 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	811
987c1a79d33f new set_internal_variable variant John W. Eaton <jwe@octave.org> parents: 21224 diff changeset	812 int i = 0;
987c1a79d33f new set_internal_variable variant John W. Eaton <jwe@octave.org> parents: 21224 diff changeset	813 for (; i < nchoices; 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 if (sval == choices[i])
987c1a79d33f new set_internal_variable variant John W. Eaton <jwe@octave.org> parents: 21224 diff changeset	816 {
987c1a79d33f new set_internal_variable variant John W. Eaton <jwe@octave.org> parents: 21224 diff changeset	817 var = sval;
987c1a79d33f new set_internal_variable variant John W. Eaton <jwe@octave.org> parents: 21224 diff changeset	818 break;
987c1a79d33f new set_internal_variable variant John W. Eaton <jwe@octave.org> parents: 21224 diff changeset	819 }
987c1a79d33f new set_internal_variable variant John W. Eaton <jwe@octave.org> parents: 21224 diff changeset	820 }
987c1a79d33f new set_internal_variable variant John W. Eaton <jwe@octave.org> parents: 21224 diff changeset	821 if (i == nchoices)
23803 90689bdbe048 Use C++11 raw string literals to avoid escaping double quotes. Rik <rik@octave.org> parents: 23795 diff changeset	822 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	823 }
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 return retval;
987c1a79d33f new set_internal_variable variant John W. Eaton <jwe@octave.org> parents: 21224 diff changeset	826 }
987c1a79d33f new set_internal_variable variant John W. Eaton <jwe@octave.org> parents: 21224 diff changeset	827
27873 020d0e8f7ac6 reafactor mlock, munlock, and mislocked functions John W. Eaton <jwe@octave.org> parents: 27479 diff changeset	828 // NOTE: Calling Fmlock directly (without an associated stack frame)
020d0e8f7ac6 reafactor mlock, munlock, and mislocked functions John W. Eaton <jwe@octave.org> parents: 27479 diff changeset	829 // will probably not do what you expect because it will lock the calling
020d0e8f7ac6 reafactor mlock, munlock, and mislocked functions John W. Eaton <jwe@octave.org> parents: 27479 diff changeset	830 // function. You should use interpreter::mlock directly if you want to
020d0e8f7ac6 reafactor mlock, munlock, and mislocked functions John W. Eaton <jwe@octave.org> parents: 27479 diff changeset	831 // lock a .oct function. For .mex, you would normally use mexLock.
020d0e8f7ac6 reafactor mlock, munlock, and mislocked functions John W. Eaton <jwe@octave.org> parents: 27479 diff changeset	832 //
020d0e8f7ac6 reafactor mlock, munlock, and mislocked functions John W. Eaton <jwe@octave.org> parents: 27479 diff changeset	833 // FIXME: with the current implementation, calling "builtin ('mlock')"
020d0e8f7ac6 reafactor mlock, munlock, and mislocked functions John W. Eaton <jwe@octave.org> parents: 27479 diff changeset	834 // will also not do what you expect. Is there any reasonable way to fix
020d0e8f7ac6 reafactor mlock, munlock, and mislocked functions John W. Eaton <jwe@octave.org> parents: 27479 diff changeset	835 // that?
020d0e8f7ac6 reafactor mlock, munlock, and mislocked functions John W. Eaton <jwe@octave.org> parents: 27479 diff changeset	836
23553 14723784b9f2 don't use singleton for call_stack John W. Eaton <jwe@octave.org> parents: 23466 diff changeset	837 DEFMETHOD (mlock, interp, args, ,
14723784b9f2 don't use singleton for call_stack John W. Eaton <jwe@octave.org> parents: 23466 diff changeset	838 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	839 @deftypefn {} {} mlock ()
26168 0a3561379dbe Clarify documentation around locking functions and clear. Rik <rik@octave.org> parents: 26167 diff changeset	840 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	841 @code{clear}.
0a3561379dbe Clarify documentation around locking functions and clear. Rik <rik@octave.org> parents: 26167 diff changeset	842 @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	843 @end deftypefn */)
4319 05973ead74eb [project @ 2003-02-13 21:03:04 by jwe] jwe parents: 4280 diff changeset	844 {
20799 c349d4c91ce2 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20769 diff changeset	845 if (args.length () != 0)
c349d4c91ce2 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20769 diff changeset	846 print_usage ();
c349d4c91ce2 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20769 diff changeset	847
27873 020d0e8f7ac6 reafactor mlock, munlock, and mislocked functions John W. Eaton <jwe@octave.org> parents: 27479 diff changeset	848 interp.mlock (true);
20939 b17fda023ca6 maint: Use new C++ archetype in more files. Rik <rik@octave.org> parents: 20925 diff changeset	849
20941 a4f5da7c5463 maint: Replace "octave_value_list ()" with "ovl ()". Rik <rik@octave.org> parents: 20940 diff changeset	850 return ovl ();
4319 05973ead74eb [project @ 2003-02-13 21:03:04 by jwe] jwe parents: 4280 diff changeset	851 }
05973ead74eb [project @ 2003-02-13 21:03:04 by jwe] jwe parents: 4280 diff changeset	852
23553 14723784b9f2 don't use singleton for call_stack John W. Eaton <jwe@octave.org> parents: 23466 diff changeset	853 DEFMETHOD (munlock, interp, args, ,
14723784b9f2 don't use singleton for call_stack John W. Eaton <jwe@octave.org> parents: 23466 diff changeset	854 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	855 @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	856 @deftypefnx {} {} munlock (@var{fcn})
26168 0a3561379dbe Clarify documentation around locking functions and clear. Rik <rik@octave.org> parents: 26167 diff changeset	857 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	858 @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	859
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	860 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	861 @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	862 @end deftypefn */)
4319 05973ead74eb [project @ 2003-02-13 21:03:04 by jwe] jwe parents: 4280 diff changeset	863 {
20799 c349d4c91ce2 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20769 diff changeset	864 int nargin = args.length ();
c349d4c91ce2 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20769 diff changeset	865
c349d4c91ce2 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20769 diff changeset	866 if (nargin > 1)
c349d4c91ce2 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20769 diff changeset	867 print_usage ();
c349d4c91ce2 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20769 diff changeset	868
c349d4c91ce2 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20769 diff changeset	869 if (nargin == 1)
4319 05973ead74eb [project @ 2003-02-13 21:03:04 by jwe] jwe parents: 4280 diff changeset	870 {
27873 020d0e8f7ac6 reafactor mlock, munlock, and mislocked functions John W. Eaton <jwe@octave.org> parents: 27479 diff changeset	871 std::string name
020d0e8f7ac6 reafactor mlock, munlock, and mislocked functions John W. Eaton <jwe@octave.org> parents: 27479 diff changeset	872 = 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	873
23703 6eb5f6199a5a move mlock, munlock, and mislocked to interpreter class John W. Eaton <jwe@octave.org> parents: 23702 diff changeset	874 interp.munlock (name);
4319 05973ead74eb [project @ 2003-02-13 21:03:04 by jwe] jwe parents: 4280 diff changeset	875 }
20799 c349d4c91ce2 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20769 diff changeset	876 else
27873 020d0e8f7ac6 reafactor mlock, munlock, and mislocked functions John W. Eaton <jwe@octave.org> parents: 27479 diff changeset	877 interp.munlock (true);
4319 05973ead74eb [project @ 2003-02-13 21:03:04 by jwe] jwe parents: 4280 diff changeset	878
20941 a4f5da7c5463 maint: Replace "octave_value_list ()" with "ovl ()". Rik <rik@octave.org> parents: 20940 diff changeset	879 return ovl ();
4319 05973ead74eb [project @ 2003-02-13 21:03:04 by jwe] jwe parents: 4280 diff changeset	880 }
05973ead74eb [project @ 2003-02-13 21:03:04 by jwe] jwe parents: 4280 diff changeset	881
23553 14723784b9f2 don't use singleton for call_stack John W. Eaton <jwe@octave.org> parents: 23466 diff changeset	882 DEFMETHOD (mislocked, interp, args, ,
14723784b9f2 don't use singleton for call_stack John W. Eaton <jwe@octave.org> parents: 23466 diff changeset	883 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	884 @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	885 @deftypefnx {} {} mislocked (@var{fcn})
26168 0a3561379dbe Clarify documentation around locking functions and clear. Rik <rik@octave.org> parents: 26167 diff changeset	886 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	887
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	888 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	889 @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	890 @end deftypefn */)
4319 05973ead74eb [project @ 2003-02-13 21:03:04 by jwe] jwe parents: 4280 diff changeset	891 {
20799 c349d4c91ce2 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20769 diff changeset	892 int nargin = args.length ();
c349d4c91ce2 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20769 diff changeset	893
c349d4c91ce2 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20769 diff changeset	894 if (nargin > 1)
c349d4c91ce2 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20769 diff changeset	895 print_usage ();
c349d4c91ce2 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20769 diff changeset	896
c349d4c91ce2 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20769 diff changeset	897 if (nargin == 1)
4319 05973ead74eb [project @ 2003-02-13 21:03:04 by jwe] jwe parents: 4280 diff changeset	898 {
27873 020d0e8f7ac6 reafactor mlock, munlock, and mislocked functions John W. Eaton <jwe@octave.org> parents: 27479 diff changeset	899 std::string name
020d0e8f7ac6 reafactor mlock, munlock, and mislocked functions John W. Eaton <jwe@octave.org> parents: 27479 diff changeset	900 = 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	901
27873 020d0e8f7ac6 reafactor mlock, munlock, and mislocked functions John W. Eaton <jwe@octave.org> parents: 27479 diff changeset	902 return ovl (interp.mislocked (name));
4319 05973ead74eb [project @ 2003-02-13 21:03:04 by jwe] jwe parents: 4280 diff changeset	903 }
20799 c349d4c91ce2 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20769 diff changeset	904 else
27873 020d0e8f7ac6 reafactor mlock, munlock, and mislocked functions John W. Eaton <jwe@octave.org> parents: 27479 diff changeset	905 return ovl (interp.mislocked (true));
4319 05973ead74eb [project @ 2003-02-13 21:03:04 by jwe] jwe parents: 4280 diff changeset	906 }
05973ead74eb [project @ 2003-02-13 21:03:04 by jwe] jwe parents: 4280 diff changeset	907
593 6f948c6251a9 [project @ 1994-08-09 04:29:10 by jwe] jwe parents: 584 diff changeset	908 // Deleting names from the symbol tables.
6f948c6251a9 [project @ 1994-08-09 04:29:10 by jwe] jwe parents: 584 diff changeset	909
3681 df54d394acc0 [project @ 2000-06-26 17:46:58 by jwe] jwe parents: 3618 diff changeset	910 static inline bool
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11558 diff changeset	911 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	912 int argc, int idx, bool have_regexp = false)
3681 df54d394acc0 [project @ 2000-06-26 17:46:58 by jwe] jwe parents: 3618 diff changeset	913 {
df54d394acc0 [project @ 2000-06-26 17:46:58 by jwe] jwe parents: 3618 diff changeset	914 bool retval = false;
df54d394acc0 [project @ 2000-06-26 17:46:58 by jwe] jwe parents: 3618 diff changeset	915
df54d394acc0 [project @ 2000-06-26 17:46:58 by jwe] jwe parents: 3618 diff changeset	916 for (int k = idx; k < argc; k++)
df54d394acc0 [project @ 2000-06-26 17:46:58 by jwe] jwe parents: 3618 diff changeset	917 {
df54d394acc0 [project @ 2000-06-26 17:46:58 by jwe] jwe parents: 3618 diff changeset	918 std::string patstr = argv[k];
df54d394acc0 [project @ 2000-06-26 17:46:58 by jwe] jwe parents: 3618 diff changeset	919 if (! patstr.empty ())
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	920 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	921 if (have_regexp)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	922 {
22333 2758af148ced move base_list and regexp classes to octave namespace John W. Eaton <jwe@octave.org> parents: 22327 diff changeset	923 if (octave::regexp::is_match (patstr, nm))
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	924 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	925 retval = true;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	926 break;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	927 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	928 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	929 else
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	930 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	931 glob_match pattern (patstr);
7779 791231dac333 Add regexp matching to Fwho and Fclear David Bateman <dbateman@free.fr> parents: 7761 diff changeset	932
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	933 if (pattern.match (nm))
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	934 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	935 retval = true;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	936 break;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	937 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	938 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	939 }
3681 df54d394acc0 [project @ 2000-06-26 17:46:58 by jwe] jwe parents: 3618 diff changeset	940 }
df54d394acc0 [project @ 2000-06-26 17:46:58 by jwe] jwe parents: 3618 diff changeset	941
df54d394acc0 [project @ 2000-06-26 17:46:58 by jwe] jwe parents: 3618 diff changeset	942 return retval;
df54d394acc0 [project @ 2000-06-26 17:46:58 by jwe] jwe parents: 3618 diff changeset	943 }
df54d394acc0 [project @ 2000-06-26 17:46:58 by jwe] jwe parents: 3618 diff changeset	944
4009 27e461aed956 [project @ 2002-07-31 09:33:03 by jwe] jwe parents: 3968 diff changeset	945 static inline void
27e461aed956 [project @ 2002-07-31 09:33:03 by jwe] jwe parents: 3968 diff changeset	946 maybe_warn_exclusive (bool exclusive)
27e461aed956 [project @ 2002-07-31 09:33:03 by jwe] jwe parents: 3968 diff changeset	947 {
27e461aed956 [project @ 2002-07-31 09:33:03 by jwe] jwe parents: 3968 diff changeset	948 if (exclusive)
27e461aed956 [project @ 2002-07-31 09:33:03 by jwe] jwe parents: 3968 diff changeset	949 warning ("clear: ignoring --exclusive option");
27e461aed956 [project @ 2002-07-31 09:33:03 by jwe] jwe parents: 3968 diff changeset	950 }
27e461aed956 [project @ 2002-07-31 09:33:03 by jwe] jwe parents: 3968 diff changeset	951
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7065 diff changeset	952 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	953 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	954 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	955 bool exclusive = false)
4009 27e461aed956 [project @ 2002-07-31 09:33:03 by jwe] jwe parents: 3968 diff changeset	956 {
27e461aed956 [project @ 2002-07-31 09:33:03 by jwe] jwe parents: 3968 diff changeset	957 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	958 interp.clear_functions ();
4009 27e461aed956 [project @ 2002-07-31 09:33:03 by jwe] jwe parents: 3968 diff changeset	959 else
27e461aed956 [project @ 2002-07-31 09:33:03 by jwe] jwe parents: 3968 diff changeset	960 {
27e461aed956 [project @ 2002-07-31 09:33:03 by jwe] jwe parents: 3968 diff changeset	961 if (exclusive)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	962 {
26661 cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects John W. Eaton <jwe@octave.org> parents: 26446 diff changeset	963 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	964
26661 cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects John W. Eaton <jwe@octave.org> parents: 26446 diff changeset	965 for (const auto& name : fcns)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	966 {
26661 cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects John W. Eaton <jwe@octave.org> parents: 26446 diff changeset	967 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	968 interp.clear_function (name);
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	969 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	970 }
4009 27e461aed956 [project @ 2002-07-31 09:33:03 by jwe] jwe parents: 3968 diff changeset	971 else
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	972 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	973 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	974 interp.clear_function_pattern (argv[idx++]);
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	975 }
4009 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 }
27e461aed956 [project @ 2002-07-31 09:33:03 by jwe] jwe parents: 3968 diff changeset	978
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7065 diff changeset	979 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	980 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	981 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	982 bool exclusive = false)
4009 27e461aed956 [project @ 2002-07-31 09:33:03 by jwe] jwe parents: 3968 diff changeset	983 {
27e461aed956 [project @ 2002-07-31 09:33:03 by jwe] jwe parents: 3968 diff changeset	984 if (idx == argc)
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7626 diff changeset	985 {
26661 cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects John W. Eaton <jwe@octave.org> parents: 26446 diff changeset	986 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	987
26661 cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects John W. Eaton <jwe@octave.org> parents: 26446 diff changeset	988 for (const auto& name : gvars)
24352 bff8e3884a88 restructure global variable handling in symbol table John W. Eaton <jwe@octave.org> parents: 24270 diff changeset	989 {
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_variable (name);
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects John W. Eaton <jwe@octave.org> parents: 26446 diff changeset	991 interp.clear_global_variable (name);
24352 bff8e3884a88 restructure global variable handling in symbol table John W. Eaton <jwe@octave.org> parents: 24270 diff changeset	992 }
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7626 diff changeset	993 }
4009 27e461aed956 [project @ 2002-07-31 09:33:03 by jwe] jwe parents: 3968 diff changeset	994 else
27e461aed956 [project @ 2002-07-31 09:33:03 by jwe] jwe parents: 3968 diff changeset	995 {
27e461aed956 [project @ 2002-07-31 09:33:03 by jwe] jwe parents: 3968 diff changeset	996 if (exclusive)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	997 {
26661 cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects John W. Eaton <jwe@octave.org> parents: 26446 diff changeset	998 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	999
26661 cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects John W. Eaton <jwe@octave.org> parents: 26446 diff changeset	1000 for (const auto& name : gvars)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1001 {
24352 bff8e3884a88 restructure global variable handling in symbol table John W. Eaton <jwe@octave.org> parents: 24270 diff changeset	1002 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	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 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	1005 interp.clear_global_variable (name);
24352 bff8e3884a88 restructure global variable handling in symbol table John W. Eaton <jwe@octave.org> parents: 24270 diff changeset	1006 }
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1007 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1008 }
4009 27e461aed956 [project @ 2002-07-31 09:33:03 by jwe] jwe parents: 3968 diff changeset	1009 else
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1010 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1011 while (idx < argc)
24352 bff8e3884a88 restructure global variable handling in symbol table John W. Eaton <jwe@octave.org> parents: 24270 diff changeset	1012 {
bff8e3884a88 restructure global variable handling in symbol table John W. Eaton <jwe@octave.org> parents: 24270 diff changeset	1013 std::string pattern = argv[idx++];
bff8e3884a88 restructure global variable handling in symbol table John W. Eaton <jwe@octave.org> parents: 24270 diff changeset	1014
26661 cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects John W. Eaton <jwe@octave.org> parents: 26446 diff changeset	1015 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	1016 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	1017 }
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1018 }
4009 27e461aed956 [project @ 2002-07-31 09:33:03 by jwe] jwe parents: 3968 diff changeset	1019 }
27e461aed956 [project @ 2002-07-31 09:33:03 by jwe] jwe parents: 3968 diff changeset	1020 }
27e461aed956 [project @ 2002-07-31 09:33:03 by jwe] jwe parents: 3968 diff changeset	1021
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7065 diff changeset	1022 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	1023 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	1024 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	1025 bool exclusive = false, bool have_regexp = false)
4009 27e461aed956 [project @ 2002-07-31 09:33:03 by jwe] jwe parents: 3968 diff changeset	1026 {
27e461aed956 [project @ 2002-07-31 09:33:03 by jwe] jwe parents: 3968 diff changeset	1027 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	1028 interp.clear_variables ();
4009 27e461aed956 [project @ 2002-07-31 09:33:03 by jwe] jwe parents: 3968 diff changeset	1029 else
27e461aed956 [project @ 2002-07-31 09:33:03 by jwe] jwe parents: 3968 diff changeset	1030 {
27e461aed956 [project @ 2002-07-31 09:33:03 by jwe] jwe parents: 3968 diff changeset	1031 if (exclusive)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1032 {
26661 cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects John W. Eaton <jwe@octave.org> parents: 26446 diff changeset	1033 std::list<std::string> lvars = interp.variable_names ();
4009 27e461aed956 [project @ 2002-07-31 09:33:03 by jwe] jwe parents: 3968 diff changeset	1034
26661 cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects John W. Eaton <jwe@octave.org> parents: 26446 diff changeset	1035 for (const auto& name : lvars)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1036 {
26661 cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects John W. Eaton <jwe@octave.org> parents: 26446 diff changeset	1037 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	1038 have_regexp))
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects John W. Eaton <jwe@octave.org> parents: 26446 diff changeset	1039 interp.clear_variable (name);
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1040 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1041 }
4009 27e461aed956 [project @ 2002-07-31 09:33:03 by jwe] jwe parents: 3968 diff changeset	1042 else
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1043 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1044 if (have_regexp)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1045 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	1046 interp.clear_variable_regexp (argv[idx++]);
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1047 else
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1048 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	1049 interp.clear_variable_pattern (argv[idx++]);
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1050 }
4009 27e461aed956 [project @ 2002-07-31 09:33:03 by jwe] jwe parents: 3968 diff changeset	1051 }
27e461aed956 [project @ 2002-07-31 09:33:03 by jwe] jwe parents: 3968 diff changeset	1052 }
27e461aed956 [project @ 2002-07-31 09:33:03 by jwe] jwe parents: 3968 diff changeset	1053
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7065 diff changeset	1054 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	1055 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	1056 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	1057 bool exclusive = false)
4009 27e461aed956 [project @ 2002-07-31 09:33:03 by jwe] jwe parents: 3968 diff changeset	1058 {
27e461aed956 [project @ 2002-07-31 09:33:03 by jwe] jwe parents: 3968 diff changeset	1059 if (idx == argc)
23611 91c8f006ed8b remove additional functions from symbol_table class John W. Eaton <jwe@octave.org> parents: 23604 diff changeset	1060 {
26661 cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects John W. Eaton <jwe@octave.org> parents: 26446 diff changeset	1061 interp.clear_variables ();
23611 91c8f006ed8b remove additional functions from symbol_table class John W. Eaton <jwe@octave.org> parents: 23604 diff changeset	1062 }
4009 27e461aed956 [project @ 2002-07-31 09:33:03 by jwe] jwe parents: 3968 diff changeset	1063 else
27e461aed956 [project @ 2002-07-31 09:33:03 by jwe] jwe parents: 3968 diff changeset	1064 {
27e461aed956 [project @ 2002-07-31 09:33:03 by jwe] jwe parents: 3968 diff changeset	1065 if (exclusive)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1066 {
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17756 diff changeset	1067 // 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	1068 // 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	1069 // 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	1070 // bit harder to do.
4009 27e461aed956 [project @ 2002-07-31 09:33:03 by jwe] jwe parents: 3968 diff changeset	1071
26661 cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects John W. Eaton <jwe@octave.org> parents: 26446 diff changeset	1072 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	1073 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	1074 }
4009 27e461aed956 [project @ 2002-07-31 09:33:03 by jwe] jwe parents: 3968 diff changeset	1075 else
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1076 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1077 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	1078 interp.clear_symbol_pattern (argv[idx++]);
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1079 }
4009 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 }
27e461aed956 [project @ 2002-07-31 09:33:03 by jwe] jwe parents: 3968 diff changeset	1082
27e461aed956 [project @ 2002-07-31 09:33:03 by jwe] jwe parents: 3968 diff changeset	1083 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	1084 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	1085 const string_vector& argv, int argc, int idx)
4009 27e461aed956 [project @ 2002-07-31 09:33:03 by jwe] jwe parents: 3968 diff changeset	1086 {
27e461aed956 [project @ 2002-07-31 09:33:03 by jwe] jwe parents: 3968 diff changeset	1087 // This is supposed to be mostly Matlab compatible.
27e461aed956 [project @ 2002-07-31 09:33:03 by jwe] jwe parents: 3968 diff changeset	1088
27e461aed956 [project @ 2002-07-31 09:33:03 by jwe] jwe parents: 3968 diff changeset	1089 for (; idx < argc; idx++)
27e461aed956 [project @ 2002-07-31 09:33:03 by jwe] jwe parents: 3968 diff changeset	1090 {
26661 cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects John W. Eaton <jwe@octave.org> parents: 26446 diff changeset	1091 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	1092 {
26661 cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects John W. Eaton <jwe@octave.org> parents: 26446 diff changeset	1093 interp.clear_all ();
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1094 }
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7065 diff changeset	1095 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	1096 && ! interp.is_local_variable ("functions"))
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1097 {
26661 cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects John W. Eaton <jwe@octave.org> parents: 26446 diff changeset	1098 do_clear_functions (interp, argv, argc, ++idx);
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1099 }
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7065 diff changeset	1100 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	1101 && ! interp.is_local_variable ("global"))
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1102 {
26661 cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects John W. Eaton <jwe@octave.org> parents: 26446 diff changeset	1103 do_clear_globals (interp, argv, argc, ++idx);
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1104 }
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7065 diff changeset	1105 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	1106 && ! interp.is_local_variable ("variables"))
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1107 {
26661 cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects John W. Eaton <jwe@octave.org> parents: 26446 diff changeset	1108 interp.clear_variables ();
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1109 }
9240 f27a8c07f0b2 clear -classes and support. Robert T. Short <octave@phaselockedsystems.com> parents: 9180 diff changeset	1110 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	1111 && ! interp.is_local_variable ("classes"))
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1112 {
26661 cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects John W. Eaton <jwe@octave.org> parents: 26446 diff changeset	1113 interp.clear_objects ();
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1114 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	1115 interp.clear_all ();
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1116 }
4009 27e461aed956 [project @ 2002-07-31 09:33:03 by jwe] jwe parents: 3968 diff changeset	1117 else
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 interp.clear_symbol_pattern (argv[idx]);
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1120 }
4009 27e461aed956 [project @ 2002-07-31 09:33:03 by jwe] jwe parents: 3968 diff changeset	1121 }
27e461aed956 [project @ 2002-07-31 09:33:03 by jwe] jwe parents: 3968 diff changeset	1122 }
27e461aed956 [project @ 2002-07-31 09:33:03 by jwe] jwe parents: 3968 diff changeset	1123
23599 5cb3a2bb5e1e don't use singleton for symbol_table John W. Eaton <jwe@octave.org> parents: 23587 diff changeset	1124 DEFMETHOD (clear, interp, args, ,
5cb3a2bb5e1e don't use singleton for symbol_table John W. Eaton <jwe@octave.org> parents: 23587 diff changeset	1125 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	1126 @deftypefn {} {} clear
247126168d23 Don't remove globals when 'clear' called without arguments (bug #39790). Julien Bect <julien.bect@supelec.fr> parents: 26113 diff changeset	1127 @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	1128 @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	1129 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	1130
26167 247126168d23 Don't remove globals when 'clear' called without arguments (bug #39790). Julien Bect <julien.bect@supelec.fr> parents: 26113 diff changeset	1131 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	1132
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	1133 @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	1134 @item ?
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	1135 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	1136
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	1137 @item *
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	1138 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	1139
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	1140 @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	1141 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	1142 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	1143 @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	1144 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	1145 @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	1146
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	1147 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	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 @example
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	1150 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	1151 @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	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 @noindent
26169 096b38cac97f Improve input validation to reject multiple options for clear (bug #53565). Rik <rik@octave.org> parents: 26168 diff changeset	1154 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	1155 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	1156
26167 247126168d23 Don't remove globals when 'clear' called without arguments (bug #39790). Julien Bect <julien.bect@supelec.fr> parents: 26113 diff changeset	1157 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	1158 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	1159 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	1160 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	1161 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	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 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	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 @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	1166 @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	1167 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	1168 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	1169
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	1170 @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	1171 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	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 @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	1174 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	1175 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	1176 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	1177
26167 247126168d23 Don't remove globals when 'clear' called without arguments (bug #39790). Julien Bect <julien.bect@supelec.fr> parents: 26113 diff changeset	1178 @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	1179 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	1180
26167 247126168d23 Don't remove globals when 'clear' called without arguments (bug #39790). Julien Bect <julien.bect@supelec.fr> parents: 26113 diff changeset	1181 @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	1182 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	1183
26167 247126168d23 Don't remove globals when 'clear' called without arguments (bug #39790). Julien Bect <julien.bect@supelec.fr> parents: 26113 diff changeset	1184 @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	1185 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	1186
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	1187 @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	1188 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	1189 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	1190 @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	1191
26167 247126168d23 Don't remove globals when 'clear' called without arguments (bug #39790). Julien Bect <julien.bect@supelec.fr> parents: 26113 diff changeset	1192 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	1193 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	1194 @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	1195 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	1196
247126168d23 Don't remove globals when 'clear' called without arguments (bug #39790). Julien Bect <julien.bect@supelec.fr> parents: 26113 diff changeset	1197 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	1198 @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	1199 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	1200 @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	1201 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	1202 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	1203 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	1204
26169 096b38cac97f Improve input validation to reject multiple options for clear (bug #53565). Rik <rik@octave.org> parents: 26168 diff changeset	1205 @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	1206 @end deftypefn */)
529 7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe] jwe parents: 506 diff changeset	1207 {
1755 3a9462b655f1 [project @ 1996-01-22 04:47:22 by jwe] jwe parents: 1742 diff changeset	1208 int argc = args.length () + 1;
593 6f948c6251a9 [project @ 1994-08-09 04:29:10 by jwe] jwe parents: 584 diff changeset	1209
1968 a2e206524aa0 [project @ 1996-02-17 02:54:24 by jwe] jwe parents: 1957 diff changeset	1210 string_vector argv = args.make_argv ("clear");
1755 3a9462b655f1 [project @ 1996-01-22 04:47:22 by jwe] jwe parents: 1742 diff changeset	1211
20556 4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20535 diff changeset	1212 if (argc == 1)
4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20535 diff changeset	1213 {
26661 cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects John W. Eaton <jwe@octave.org> parents: 26446 diff changeset	1214 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	1215
27263 99aa1bcb8848 rename octave_link and octave_link_events classes, move inside octave namespace John W. Eaton <jwe@octave.org> parents: 27261 diff changeset	1216 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	1217
27263 99aa1bcb8848 rename octave_link and octave_link_events classes, move inside octave namespace John W. Eaton <jwe@octave.org> parents: 27261 diff changeset	1218 evmgr.clear_workspace ();
20556 4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20535 diff changeset	1219 }
4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20535 diff changeset	1220 else
529 7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe] jwe parents: 506 diff changeset	1221 {
20556 4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20535 diff changeset	1222 int idx = 0;
4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20535 diff changeset	1223
4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20535 diff changeset	1224 bool clear_all = false;
4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20535 diff changeset	1225 bool clear_functions = false;
4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20535 diff changeset	1226 bool clear_globals = false;
4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20535 diff changeset	1227 bool clear_variables = false;
4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20535 diff changeset	1228 bool clear_objects = false;
4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20535 diff changeset	1229 bool exclusive = false;
4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20535 diff changeset	1230 bool have_regexp = false;
4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20535 diff changeset	1231 bool have_dash_option = false;
4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20535 diff changeset	1232
4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20535 diff changeset	1233 while (++idx < argc)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1234 {
20556 4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20535 diff changeset	1235 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	1236 {
26169 096b38cac97f Improve input validation to reject multiple options for clear (bug #53565). Rik <rik@octave.org> parents: 26168 diff changeset	1237 if (have_dash_option)
096b38cac97f Improve input validation to reject multiple options for clear (bug #53565). Rik <rik@octave.org> parents: 26168 diff changeset	1238 print_usage ();
20556 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 have_dash_option = true;
4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20535 diff changeset	1241 clear_all = true;
4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20535 diff changeset	1242 }
4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20535 diff changeset	1243 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	1244 {
4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20535 diff changeset	1245 exclusive = true;
4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20535 diff changeset	1246 }
4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20535 diff changeset	1247 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	1248 {
26169 096b38cac97f Improve input validation to reject multiple options for clear (bug #53565). Rik <rik@octave.org> parents: 26168 diff changeset	1249 if (have_dash_option)
096b38cac97f Improve input validation to reject multiple options for clear (bug #53565). Rik <rik@octave.org> parents: 26168 diff changeset	1250 print_usage ();
20556 4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20535 diff changeset	1251
4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20535 diff changeset	1252 have_dash_option = true;
4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20535 diff changeset	1253 clear_functions = true;
4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20535 diff changeset	1254 }
4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20535 diff changeset	1255 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	1256 {
26169 096b38cac97f Improve input validation to reject multiple options for clear (bug #53565). Rik <rik@octave.org> parents: 26168 diff changeset	1257 if (have_dash_option)
096b38cac97f Improve input validation to reject multiple options for clear (bug #53565). Rik <rik@octave.org> parents: 26168 diff changeset	1258 print_usage ();
20556 4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20535 diff changeset	1259
4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20535 diff changeset	1260 have_dash_option = true;
4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20535 diff changeset	1261 clear_globals = 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] == "-variables" \|\| argv[idx] == "-v")
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 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_variables = 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] == "-classes" \|\| argv[idx] == "-c")
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_objects = 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] == "-regexp" \|\| argv[idx] == "-r")
4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20535 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 have_regexp = 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
4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20535 diff changeset	1288 break;
4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20535 diff changeset	1289 }
4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20535 diff changeset	1290
4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20535 diff changeset	1291 if (idx <= argc)
4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20535 diff changeset	1292 {
26169 096b38cac97f Improve input validation to reject multiple options for clear (bug #53565). Rik <rik@octave.org> parents: 26168 diff changeset	1293 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	1294 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	1295 else
4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20535 diff changeset	1296 {
4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20535 diff changeset	1297 if (clear_all)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1298 {
20556 4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20535 diff changeset	1299 maybe_warn_exclusive (exclusive);
4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20535 diff changeset	1300
4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20535 diff changeset	1301 if (++idx < argc)
20897 9aad16a799c9 maint: Replace argc variable name with nargin in C++ code. Rik <rik@octave.org> parents: 20853 diff changeset	1302 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	1303
26661 cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects John W. Eaton <jwe@octave.org> parents: 26446 diff changeset	1304 interp.clear_all ();
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1305 }
20556 4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20535 diff changeset	1306 else if (have_regexp)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1307 {
26661 cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects John W. Eaton <jwe@octave.org> parents: 26446 diff changeset	1308 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	1309 }
20556 4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20535 diff changeset	1310 else if (clear_functions)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1311 {
26661 cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects John W. Eaton <jwe@octave.org> parents: 26446 diff changeset	1312 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	1313 }
20556 4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20535 diff changeset	1314 else if (clear_globals)
4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20535 diff changeset	1315 {
26661 cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects John W. Eaton <jwe@octave.org> parents: 26446 diff changeset	1316 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	1317 }
4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20535 diff changeset	1318 else if (clear_variables)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 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 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	1321 }
20556 4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20535 diff changeset	1322 else if (clear_objects)
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 interp.clear_objects ();
20556 4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20535 diff changeset	1325 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	1326 interp.clear_all ();
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1327 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1328 else
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1329 {
26661 cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects John W. Eaton <jwe@octave.org> parents: 26446 diff changeset	1330 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	1331 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1332 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1333 }
593 6f948c6251a9 [project @ 1994-08-09 04:29:10 by jwe] jwe parents: 584 diff changeset	1334 }
6f948c6251a9 [project @ 1994-08-09 04:29:10 by jwe] jwe parents: 584 diff changeset	1335
20941 a4f5da7c5463 maint: Replace "octave_value_list ()" with "ovl ()". Rik <rik@octave.org> parents: 20940 diff changeset	1336 return ovl ();
529 7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe] jwe parents: 506 diff changeset	1337 }
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe] jwe parents: 506 diff changeset	1338
26167 247126168d23 Don't remove globals when 'clear' called without arguments (bug #39790). Julien Bect <julien.bect@supelec.fr> parents: 26113 diff changeset	1339 /*
26169 096b38cac97f Improve input validation to reject multiple options for clear (bug #53565). Rik <rik@octave.org> parents: 26168 diff changeset	1340 ## 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	1341 ## break the %!test environment.
096b38cac97f Improve input validation to reject multiple options for clear (bug #53565). Rik <rik@octave.org> parents: 26168 diff changeset	1342 %!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	1343 %! global x
096b38cac97f Improve input validation to reject multiple options for clear (bug #53565). Rik <rik@octave.org> parents: 26168 diff changeset	1344 %! x = 3;
096b38cac97f Improve input validation to reject multiple options for clear (bug #53565). Rik <rik@octave.org> parents: 26168 diff changeset	1345 %! clear
096b38cac97f Improve input validation to reject multiple options for clear (bug #53565). Rik <rik@octave.org> parents: 26168 diff changeset	1346 %! 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	1347 %! 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	1348 %! assert (exist ("x", "var"));
096b38cac97f Improve input validation to reject multiple options for clear (bug #53565). Rik <rik@octave.org> parents: 26168 diff changeset	1349 %!endfunction
096b38cac97f Improve input validation to reject multiple options for clear (bug #53565). Rik <rik@octave.org> parents: 26168 diff changeset	1350
26167 247126168d23 Don't remove globals when 'clear' called without arguments (bug #39790). Julien Bect <julien.bect@supelec.fr> parents: 26113 diff changeset	1351 %!test
26678 2c246d188151 variables.cc: Don't leak variables into global namespace from BIST tests. Rik <rik@octave.org> parents: 26434 diff changeset	1352 %! unwind_protect
2c246d188151 variables.cc: Don't leak variables into global namespace from BIST tests. Rik <rik@octave.org> parents: 26434 diff changeset	1353 %! __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	1354 %! unwind_protect_cleanup
2c246d188151 variables.cc: Don't leak variables into global namespace from BIST tests. Rik <rik@octave.org> parents: 26434 diff changeset	1355 %! clear -g x
2c246d188151 variables.cc: Don't leak variables into global namespace from BIST tests. Rik <rik@octave.org> parents: 26434 diff changeset	1356 %! end_unwind_protect
26169 096b38cac97f Improve input validation to reject multiple options for clear (bug #53565). Rik <rik@octave.org> parents: 26168 diff changeset	1357
096b38cac97f Improve input validation to reject multiple options for clear (bug #53565). Rik <rik@octave.org> parents: 26168 diff changeset	1358 ## 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	1359 %!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	1360 */
247126168d23 Don't remove globals when 'clear' called without arguments (bug #39790). Julien Bect <julien.bect@supelec.fr> parents: 26113 diff changeset	1361
15562 8ed107220a3e maint: Rename unimplemented.m to __unimplemented__.m. Juan Pablo Carbajal <ajuanpi+dev@gmail.com> parents: 15528 diff changeset	1362 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	1363
34e51d4e199b implement smart warnings about missing Matlab functionality Jaroslav Hajek <highegg@gmail.com> parents: 10350 diff changeset	1364 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	1365 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	1366 @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	1367 @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	1368 @deftypefnx {} {} missing_function_hook (@var{new_val}, "local")
27479 e8c417f6ef83 make unimplmented message an error and append to undefined identifier error John W. Eaton <jwe@octave.org> parents: 27471 diff changeset	1369 Query or set the internal variable that specifies the function to call
e8c417f6ef83 make unimplmented message an error and append to undefined identifier error John W. Eaton <jwe@octave.org> parents: 27471 diff changeset	1370 to provide extra information when an unknown identifier is referenced.
21966 112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	1371
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	1372 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	1373 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	1374 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	1375 @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	1376 @end deftypefn */)
10443 34e51d4e199b implement smart warnings about missing Matlab functionality Jaroslav Hajek <highegg@gmail.com> parents: 10350 diff changeset	1377 {
34e51d4e199b implement smart warnings about missing Matlab functionality Jaroslav Hajek <highegg@gmail.com> parents: 10350 diff changeset	1378 return SET_INTERNAL_VARIABLE (missing_function_hook);
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
27479 e8c417f6ef83 make unimplmented message an error and append to undefined identifier error John W. Eaton <jwe@octave.org> parents: 27471 diff changeset	1381 std::string
23599 5cb3a2bb5e1e don't use singleton for symbol_table John W. Eaton <jwe@octave.org> parents: 23587 diff changeset	1382 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	1383 {
27160 6b0c61a5a0f0 move global error configuration and status variables inside a class John W. Eaton <jwe@octave.org> parents: 27016 diff changeset	1384 octave::interpreter& interp
6b0c61a5a0f0 move global error configuration and status variables inside a class John W. Eaton <jwe@octave.org> parents: 27016 diff changeset	1385 = 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	1386
10444 537d9fbba9c0 don't call missing_function_hook inside try block Jaroslav Hajek <highegg@gmail.com> parents: 10443 diff changeset	1387 // Don't do this if we're handling errors.
27471 fd32c1a9b1bd revamp error handling John W. Eaton <jwe@octave.org> parents: 27408 diff changeset	1388 if (Vmissing_function_hook.empty ())
27479 e8c417f6ef83 make unimplmented message an error and append to undefined identifier error John W. Eaton <jwe@octave.org> parents: 27471 diff changeset	1389 return "";
23599 5cb3a2bb5e1e don't use singleton for symbol_table John W. Eaton <jwe@octave.org> parents: 23587 diff changeset	1390
27160 6b0c61a5a0f0 move global error configuration and status variables inside a class John W. Eaton <jwe@octave.org> parents: 27016 diff changeset	1391 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	1392
6b0c61a5a0f0 move global error configuration and status variables inside a class John W. Eaton <jwe@octave.org> parents: 27016 diff changeset	1393 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	1394
27160 6b0c61a5a0f0 move global error configuration and status variables inside a class John W. Eaton <jwe@octave.org> parents: 27016 diff changeset	1395 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	1396 {
6b0c61a5a0f0 move global error configuration and status variables inside a class John W. Eaton <jwe@octave.org> parents: 27016 diff changeset	1397 // Ensure auto-restoration.
6b0c61a5a0f0 move global error configuration and status variables inside a class John W. Eaton <jwe@octave.org> parents: 27016 diff changeset	1398 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	1399 frame.protect_var (Vmissing_function_hook);
15528 8d2b3db8b5b0 Allow missing_function_hook to fail silently Mike Miller <mtmiller@ieee.org> parents: 15508 diff changeset	1400
27160 6b0c61a5a0f0 move global error configuration and status variables inside a class John W. Eaton <jwe@octave.org> parents: 27016 diff changeset	1401 // 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	1402 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	1403 Vmissing_function_hook.clear ();
15528 8d2b3db8b5b0 Allow missing_function_hook to fail silently Mike Miller <mtmiller@ieee.org> parents: 15508 diff changeset	1404
27160 6b0c61a5a0f0 move global error configuration and status variables inside a class John W. Eaton <jwe@octave.org> parents: 27016 diff changeset	1405 // Call.
27479 e8c417f6ef83 make unimplmented message an error and append to undefined identifier error John W. Eaton <jwe@octave.org> parents: 27471 diff changeset	1406 octave_value_list tmp = octave::feval (func_name, octave_value (name), 1);
e8c417f6ef83 make unimplmented message an error and append to undefined identifier error John W. Eaton <jwe@octave.org> parents: 27471 diff changeset	1407
e8c417f6ef83 make unimplmented message an error and append to undefined identifier error John W. Eaton <jwe@octave.org> parents: 27471 diff changeset	1408 if (tmp.length () == 1 && tmp(0).is_string ())
e8c417f6ef83 make unimplmented message an error and append to undefined identifier error John W. Eaton <jwe@octave.org> parents: 27471 diff changeset	1409 return tmp(0).string_value ();
10467 13c1f15c67fa guard against recursive calls of missing_function_hook Jaroslav Hajek <highegg@gmail.com> parents: 10444 diff changeset	1410 }
27479 e8c417f6ef83 make unimplmented message an error and append to undefined identifier error John W. Eaton <jwe@octave.org> parents: 27471 diff changeset	1411
e8c417f6ef83 make unimplmented message an error and append to undefined identifier error John W. Eaton <jwe@octave.org> parents: 27471 diff changeset	1412 return "";
10443 34e51d4e199b implement smart warnings about missing Matlab functionality Jaroslav Hajek <highegg@gmail.com> parents: 10350 diff changeset	1413 }
11558 1e4dfc7a9487 use .argn. to store argument names for inputname function John W. Eaton <jwe@octave.org> parents: 11556 diff changeset	1414
23599 5cb3a2bb5e1e don't use singleton for symbol_table John W. Eaton <jwe@octave.org> parents: 23587 diff changeset	1415 DEFMETHOD (__varval__, interp, args, ,
5cb3a2bb5e1e don't use singleton for symbol_table John W. Eaton <jwe@octave.org> parents: 23587 diff changeset	1416 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	1417 @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	1418 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	1419 @end deftypefn */)
11558 1e4dfc7a9487 use .argn. to store argument names for inputname function John W. Eaton <jwe@octave.org> parents: 11556 diff changeset	1420 {
20760 15eefcabcb31 doc: Add docstring for internal function __varval__. Rik <rik@octave.org> parents: 20756 diff changeset	1421 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	1422 print_usage ();
1e4dfc7a9487 use .argn. to store argument names for inputname function John W. Eaton <jwe@octave.org> parents: 11556 diff changeset	1423
20760 15eefcabcb31 doc: Add docstring for internal function __varval__. Rik <rik@octave.org> parents: 20756 diff changeset	1424 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	1425
26661 cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects John W. Eaton <jwe@octave.org> parents: 26446 diff changeset	1426 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	1427
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects John W. Eaton <jwe@octave.org> parents: 26446 diff changeset	1428 // 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	1429
26661 cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects John W. Eaton <jwe@octave.org> parents: 26446 diff changeset	1430 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	1431 {
27204 9a3e92d02a03 eliminate direct access to call stack in variables functions John W. Eaton <jwe@octave.org> parents: 27160 diff changeset	1432 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	1433
27204 9a3e92d02a03 eliminate direct access to call stack in variables functions John W. Eaton <jwe@octave.org> parents: 27160 diff changeset	1434 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	1435 }
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects John W. Eaton <jwe@octave.org> parents: 26446 diff changeset	1436
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects John W. Eaton <jwe@octave.org> parents: 26446 diff changeset	1437 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	1438 }
17516 21656a949661 Add hook function to handle missing Octave components Mike Miller <mtmiller@ieee.org> parents: 17355 diff changeset	1439
21656a949661 Add hook function to handle missing Octave components Mike Miller <mtmiller@ieee.org> parents: 17355 diff changeset	1440 static std::string Vmissing_component_hook;
21656a949661 Add hook function to handle missing Octave components Mike Miller <mtmiller@ieee.org> parents: 17355 diff changeset	1441
21656a949661 Add hook function to handle missing Octave components Mike Miller <mtmiller@ieee.org> parents: 17355 diff changeset	1442 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	1443 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	1444 @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	1445 @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	1446 @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	1447 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	1448 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	1449
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	1450 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	1451 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	1452 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	1453
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	1454 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	1455 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	1456 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	1457
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	1458 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	1459
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	1460 @example
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	1461 @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	1462 @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	1463
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21885 diff changeset	1464 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	1465 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	1466 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	1467 @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	1468 @end deftypefn */)
17516 21656a949661 Add hook function to handle missing Octave components Mike Miller <mtmiller@ieee.org> parents: 17355 diff changeset	1469 {
21656a949661 Add hook function to handle missing Octave components Mike Miller <mtmiller@ieee.org> parents: 17355 diff changeset	1470 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	1471 }
23699 b29904962d2d deprecate some global functions that access the symbol table John W. Eaton <jwe@octave.org> parents: 23693 diff changeset	1472
26661 cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects John W. Eaton <jwe@octave.org> parents: 26446 diff changeset	1473 // 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	1474
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25399 diff changeset	1475 string_vector
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25399 diff changeset	1476 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	1477 {
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25399 diff changeset	1478 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	1479
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25399 diff changeset	1480 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	1481
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25399 diff changeset	1482 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	1483
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25399 diff changeset	1484 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	1485 {
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25399 diff changeset	1486 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	1487 break;
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25399 diff changeset	1488
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25399 diff changeset	1489 n++;
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
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25399 diff changeset	1492 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	1493
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25399 diff changeset	1494 pos = 0;
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25399 diff changeset	1495
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25399 diff changeset	1496 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	1497 {
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25399 diff changeset	1498 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	1499
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25399 diff changeset	1500 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	1501 len -= pos;
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25399 diff changeset	1502
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25399 diff changeset	1503 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	1504
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25399 diff changeset	1505 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	1506 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	1507 }
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 return retval;
ab10403a0b50 new input_system class to manage user input for the interpreter John W. Eaton <jwe@octave.org> parents: 25399 diff changeset	1510 }

Mercurial > octave

annotate libinterp/corefcn/variables.cc @ 27919:1891570abac8