octave-nkf: src/defun.cc annotate

annotate src/defun.cc @ 14626:f947d2922feb stable rc-3-6-2-0

3.6.2-rc0 release candidate * configure.ac (AC_INIT): Version is now 3.6.2-rc0. (OCTAVE_RELEASE_DATE): Now 2012-05-11.

author	John W. Eaton <jwe@octave.org>
date	Fri, 11 May 2012 13:46:18 -0400
parents	72c96de7a403
children	f7afecdd87ef d174210ce1ec

rev	line source
2974 ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	1 /*
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	2
14138 72c96de7a403 maint: update copyright notices for 2012 John W. Eaton <jwe@octave.org> parents: 11586 diff changeset	3 Copyright (C) 1996-2012 John W. Eaton
2974 ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	4
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	5 This file is part of Octave.
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	6
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	7 Octave is free software; you can redistribute it and/or modify it
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	8 under the terms of the GNU General Public License as published by the
7016 93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 6323 diff changeset	9 Free Software Foundation; either version 3 of the License, or (at your
93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 6323 diff changeset	10 option) any later version.
2974 ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	11
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	12 Octave is distributed in the hope that it will be useful, but WITHOUT
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	15 for more details.
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	16
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	17 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: 6323 diff changeset	18 along with Octave; see the file COPYING. If not, see
93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 6323 diff changeset	19 <http://www.gnu.org/licenses/>.
2974 ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	20
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	21 */
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	22
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	23 #ifdef HAVE_CONFIG_H
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	24 #include <config.h>
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	25 #endif
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	26
5765 7ba9ad1fec11 [project @ 2006-04-17 05:05:15 by jwe] jwe parents: 5750 diff changeset	27 #include <sstream>
3503 d14c483b3c12 [project @ 2000-02-01 04:06:07 by jwe] jwe parents: 3330 diff changeset	28 #include <iostream>
3014 38de16594cb4 [project @ 1997-06-02 20:28:09 by jwe] jwe parents: 3010 diff changeset	29 #include <string>
38de16594cb4 [project @ 1997-06-02 20:28:09 by jwe] jwe parents: 3010 diff changeset	30
3606 89f958b5358f [project @ 2000-03-08 09:30:05 by jwe] jwe parents: 3523 diff changeset	31 #include "defun.h"
3325 2efa28a91e7a [project @ 1999-10-29 21:39:20 by jwe] jwe parents: 3259 diff changeset	32 #include "dynamic-ld.h"
3014 38de16594cb4 [project @ 1997-06-02 20:28:09 by jwe] jwe parents: 3010 diff changeset	33 #include "error.h"
38de16594cb4 [project @ 1997-06-02 20:28:09 by jwe] jwe parents: 3010 diff changeset	34 #include "help.h"
2974 ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	35 #include "ov.h"
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	36 #include "ov-builtin.h"
3325 2efa28a91e7a [project @ 1999-10-29 21:39:20 by jwe] jwe parents: 3259 diff changeset	37 #include "ov-dld-fcn.h"
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5814 diff changeset	38 #include "ov-fcn.h"
5864 e884ab4f29ee [project @ 2006-06-22 00:57:27 by jwe] jwe parents: 5823 diff changeset	39 #include "ov-mex-fcn.h"
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5814 diff changeset	40 #include "ov-usr-fcn.h"
3606 89f958b5358f [project @ 2000-03-08 09:30:05 by jwe] jwe parents: 3523 diff changeset	41 #include "oct-obj.h"
10887 f10d0bc8f9cc make isargout available to DEFUNs Jaroslav Hajek <highegg@gmail.com> parents: 10315 diff changeset	42 #include "oct-lvalue.h"
3014 38de16594cb4 [project @ 1997-06-02 20:28:09 by jwe] jwe parents: 3010 diff changeset	43 #include "pager.h"
2974 ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	44 #include "symtab.h"
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5814 diff changeset	45 #include "toplev.h"
2974 ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	46 #include "variables.h"
8575 f134925a1cfa m-file implementation of help system Soren Hauberg <soren@hauberg.org> parents: 7923 diff changeset	47 #include "parse.h"
2974 ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	48
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5814 diff changeset	49 // Print the usage part of the doc string of FCN (user-defined or DEFUN).
8575 f134925a1cfa m-file implementation of help system Soren Hauberg <soren@hauberg.org> parents: 7923 diff changeset	50 void
f134925a1cfa m-file implementation of help system Soren Hauberg <soren@hauberg.org> parents: 7923 diff changeset	51 print_usage (void)
3014 38de16594cb4 [project @ 1997-06-02 20:28:09 by jwe] jwe parents: 3010 diff changeset	52 {
8575 f134925a1cfa m-file implementation of help system Soren Hauberg <soren@hauberg.org> parents: 7923 diff changeset	53 const octave_function *cur = octave_call_stack::current ();
f134925a1cfa m-file implementation of help system Soren Hauberg <soren@hauberg.org> parents: 7923 diff changeset	54 if (cur)
f134925a1cfa m-file implementation of help system Soren Hauberg <soren@hauberg.org> parents: 7923 diff changeset	55 print_usage (cur->name ());
3014 38de16594cb4 [project @ 1997-06-02 20:28:09 by jwe] jwe parents: 3010 diff changeset	56 else
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5814 diff changeset	57 error ("print_usage: invalid function");
080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5814 diff changeset	58 }
080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5814 diff changeset	59
080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5814 diff changeset	60 void
8575 f134925a1cfa m-file implementation of help system Soren Hauberg <soren@hauberg.org> parents: 7923 diff changeset	61 print_usage (const std::string& name)
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5814 diff changeset	62 {
8575 f134925a1cfa m-file implementation of help system Soren Hauberg <soren@hauberg.org> parents: 7923 diff changeset	63 feval ("print_usage", octave_value (name), 0);
5800 e8be7fe586f9 [project @ 2006-05-10 06:50:45 by jwe] jwe parents: 5794 diff changeset	64 }
e8be7fe586f9 [project @ 2006-05-10 06:50:45 by jwe] jwe parents: 5794 diff changeset	65
3015 2e114e914b77 [project @ 1997-06-02 21:03:55 by jwe] jwe parents: 3014 diff changeset	66 void
3523 b80bbb43a1a9 [project @ 2000-02-02 10:25:52 by jwe] jwe parents: 3503 diff changeset	67 check_version (const std::string& version, const std::string& fcn)
3015 2e114e914b77 [project @ 1997-06-02 21:03:55 by jwe] jwe parents: 3014 diff changeset	68 {
4448 042cdbb7f317 [project @ 2003-07-08 19:14:55 by jwe] jwe parents: 4445 diff changeset	69 if (version != OCTAVE_API_VERSION)
3986 7cb85d5c7aad [project @ 2002-07-11 15:37:02 by jwe] jwe parents: 3606 diff changeset	70 {
4448 042cdbb7f317 [project @ 2003-07-08 19:14:55 by jwe] jwe parents: 4445 diff changeset	71 error ("API version %s found in .oct file function `%s'\n"
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	72 " does not match the running Octave (API version %s)\n"
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	73 " this can lead to incorrect results or other failures\n"
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	74 " you can fix this problem by recompiling this .oct file",
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	75 version.c_str (), fcn.c_str (), OCTAVE_API_VERSION);
3986 7cb85d5c7aad [project @ 2002-07-11 15:37:02 by jwe] jwe parents: 3606 diff changeset	76 }
3015 2e114e914b77 [project @ 1997-06-02 21:03:55 by jwe] jwe parents: 3014 diff changeset	77 }
2e114e914b77 [project @ 1997-06-02 21:03:55 by jwe] jwe parents: 3014 diff changeset	78
2974 ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	79 // Install variables and functions in the symbol tables.
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	80
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	81 void
3523 b80bbb43a1a9 [project @ 2000-02-02 10:25:52 by jwe] jwe parents: 3503 diff changeset	82 install_builtin_function (octave_builtin::fcn f, const std::string& name,
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	83 const std::string& doc,
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	84 bool /* can_hide_function -- not yet implemented */)
2974 ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	85 {
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	86 octave_value fcn (new octave_builtin (f, name, doc));
2974 ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	87
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	88 symbol_table::install_built_in_function (name, fcn);
2974 ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	89 }
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	90
3258 4964d5391acc [project @ 1999-07-21 21:51:33 by jwe] jwe parents: 3145 diff changeset	91 void
3523 b80bbb43a1a9 [project @ 2000-02-02 10:25:52 by jwe] jwe parents: 3503 diff changeset	92 install_dld_function (octave_dld_function::fcn f, const std::string& name,
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	93 const octave_shlib& shl, const std::string& doc,
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	94 bool relative)
3325 2efa28a91e7a [project @ 1999-10-29 21:39:20 by jwe] jwe parents: 3259 diff changeset	95 {
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	96 octave_dld_function *fcn = new octave_dld_function (f, shl, name, doc);
6323 ea65de49e18e [project @ 2007-02-17 02:51:02 by jwe] jwe parents: 5864 diff changeset	97
ea65de49e18e [project @ 2007-02-17 02:51:02 by jwe] jwe parents: 5864 diff changeset	98 if (relative)
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	99 fcn->mark_relative ();
6323 ea65de49e18e [project @ 2007-02-17 02:51:02 by jwe] jwe parents: 5864 diff changeset	100
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	101 octave_value fval (fcn);
5397 b12c0f920da0 [project @ 2005-06-17 07:52:28 by jwe] jwe parents: 5307 diff changeset	102
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	103 symbol_table::install_built_in_function (name, fval);
3325 2efa28a91e7a [project @ 1999-10-29 21:39:20 by jwe] jwe parents: 3259 diff changeset	104 }
2efa28a91e7a [project @ 1999-10-29 21:39:20 by jwe] jwe parents: 3259 diff changeset	105
2efa28a91e7a [project @ 1999-10-29 21:39:20 by jwe] jwe parents: 3259 diff changeset	106 void
5864 e884ab4f29ee [project @ 2006-06-22 00:57:27 by jwe] jwe parents: 5823 diff changeset	107 install_mex_function (void *fptr, bool fmex, const std::string& name,
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	108 const octave_shlib& shl, bool relative)
5864 e884ab4f29ee [project @ 2006-06-22 00:57:27 by jwe] jwe parents: 5823 diff changeset	109 {
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	110 octave_mex_function *fcn = new octave_mex_function (fptr, fmex, shl, name);
6323 ea65de49e18e [project @ 2007-02-17 02:51:02 by jwe] jwe parents: 5864 diff changeset	111
ea65de49e18e [project @ 2007-02-17 02:51:02 by jwe] jwe parents: 5864 diff changeset	112 if (relative)
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	113 fcn->mark_relative ();
6323 ea65de49e18e [project @ 2007-02-17 02:51:02 by jwe] jwe parents: 5864 diff changeset	114
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	115 octave_value fval (fcn);
5864 e884ab4f29ee [project @ 2006-06-22 00:57:27 by jwe] jwe parents: 5823 diff changeset	116
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	117 symbol_table::install_built_in_function (name, fval);
5864 e884ab4f29ee [project @ 2006-06-22 00:57:27 by jwe] jwe parents: 5823 diff changeset	118 }
e884ab4f29ee [project @ 2006-06-22 00:57:27 by jwe] jwe parents: 5823 diff changeset	119
e884ab4f29ee [project @ 2006-06-22 00:57:27 by jwe] jwe parents: 5823 diff changeset	120 void
3523 b80bbb43a1a9 [project @ 2000-02-02 10:25:52 by jwe] jwe parents: 3503 diff changeset	121 alias_builtin (const std::string& alias, const std::string& name)
2974 ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	122 {
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	123 symbol_table::alias_built_in_function (alias, name);
2974 ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	124 }
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	125
9960 5f3c10ecb150 implement get_current_shlib and octave_auto_shlib Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	126 octave_shlib
5f3c10ecb150 implement get_current_shlib and octave_auto_shlib Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	127 get_current_shlib (void)
5f3c10ecb150 implement get_current_shlib and octave_auto_shlib Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	128 {
5f3c10ecb150 implement get_current_shlib and octave_auto_shlib Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	129 octave_shlib retval;
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	130
9960 5f3c10ecb150 implement get_current_shlib and octave_auto_shlib Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	131 octave_function *curr_fcn = octave_call_stack::current ();
5f3c10ecb150 implement get_current_shlib and octave_auto_shlib Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	132 if (curr_fcn)
5f3c10ecb150 implement get_current_shlib and octave_auto_shlib Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	133 {
5f3c10ecb150 implement get_current_shlib and octave_auto_shlib Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	134 if (curr_fcn->is_dld_function ())
5f3c10ecb150 implement get_current_shlib and octave_auto_shlib Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	135 {
5f3c10ecb150 implement get_current_shlib and octave_auto_shlib Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	136 octave_dld_function dld = dynamic_cast<octave_dld_function > (curr_fcn);
5f3c10ecb150 implement get_current_shlib and octave_auto_shlib Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	137 retval = dld->get_shlib ();
5f3c10ecb150 implement get_current_shlib and octave_auto_shlib Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	138 }
5f3c10ecb150 implement get_current_shlib and octave_auto_shlib Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	139 else if (curr_fcn->is_mex_function ())
5f3c10ecb150 implement get_current_shlib and octave_auto_shlib Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	140 {
5f3c10ecb150 implement get_current_shlib and octave_auto_shlib Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	141 octave_mex_function mex = dynamic_cast<octave_mex_function > (curr_fcn);
5f3c10ecb150 implement get_current_shlib and octave_auto_shlib Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	142 retval = mex->get_shlib ();
5f3c10ecb150 implement get_current_shlib and octave_auto_shlib Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	143 }
5f3c10ecb150 implement get_current_shlib and octave_auto_shlib Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	144 }
5f3c10ecb150 implement get_current_shlib and octave_auto_shlib Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	145
5f3c10ecb150 implement get_current_shlib and octave_auto_shlib Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	146 return retval;
5f3c10ecb150 implement get_current_shlib and octave_auto_shlib Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	147 }
10887 f10d0bc8f9cc make isargout available to DEFUNs Jaroslav Hajek <highegg@gmail.com> parents: 10315 diff changeset	148
f10d0bc8f9cc make isargout available to DEFUNs Jaroslav Hajek <highegg@gmail.com> parents: 10315 diff changeset	149 bool defun_isargout (int nargout, int iout)
f10d0bc8f9cc make isargout available to DEFUNs Jaroslav Hajek <highegg@gmail.com> parents: 10315 diff changeset	150 {
f10d0bc8f9cc make isargout available to DEFUNs Jaroslav Hajek <highegg@gmail.com> parents: 10315 diff changeset	151 const std::list<octave_lvalue> *lvalue_list = octave_builtin::curr_lvalue_list;
f10d0bc8f9cc make isargout available to DEFUNs Jaroslav Hajek <highegg@gmail.com> parents: 10315 diff changeset	152 if (iout >= std::max (nargout, 1))
f10d0bc8f9cc make isargout available to DEFUNs Jaroslav Hajek <highegg@gmail.com> parents: 10315 diff changeset	153 return false;
f10d0bc8f9cc make isargout available to DEFUNs Jaroslav Hajek <highegg@gmail.com> parents: 10315 diff changeset	154 else if (lvalue_list)
f10d0bc8f9cc make isargout available to DEFUNs Jaroslav Hajek <highegg@gmail.com> parents: 10315 diff changeset	155 {
f10d0bc8f9cc make isargout available to DEFUNs Jaroslav Hajek <highegg@gmail.com> parents: 10315 diff changeset	156 int k = 0;
f10d0bc8f9cc make isargout available to DEFUNs Jaroslav Hajek <highegg@gmail.com> parents: 10315 diff changeset	157 for (std::list<octave_lvalue>::const_iterator p = lvalue_list->begin ();
f10d0bc8f9cc make isargout available to DEFUNs Jaroslav Hajek <highegg@gmail.com> parents: 10315 diff changeset	158 p != lvalue_list->end (); p++)
f10d0bc8f9cc make isargout available to DEFUNs Jaroslav Hajek <highegg@gmail.com> parents: 10315 diff changeset	159 {
f10d0bc8f9cc make isargout available to DEFUNs Jaroslav Hajek <highegg@gmail.com> parents: 10315 diff changeset	160 if (k == iout)
f10d0bc8f9cc make isargout available to DEFUNs Jaroslav Hajek <highegg@gmail.com> parents: 10315 diff changeset	161 return ! p->is_black_hole ();
f10d0bc8f9cc make isargout available to DEFUNs Jaroslav Hajek <highegg@gmail.com> parents: 10315 diff changeset	162 k += p->numel ();
f10d0bc8f9cc make isargout available to DEFUNs Jaroslav Hajek <highegg@gmail.com> parents: 10315 diff changeset	163 if (k > iout)
f10d0bc8f9cc make isargout available to DEFUNs Jaroslav Hajek <highegg@gmail.com> parents: 10315 diff changeset	164 break;
f10d0bc8f9cc make isargout available to DEFUNs Jaroslav Hajek <highegg@gmail.com> parents: 10315 diff changeset	165 }
f10d0bc8f9cc make isargout available to DEFUNs Jaroslav Hajek <highegg@gmail.com> parents: 10315 diff changeset	166
f10d0bc8f9cc make isargout available to DEFUNs Jaroslav Hajek <highegg@gmail.com> parents: 10315 diff changeset	167 return true;
f10d0bc8f9cc make isargout available to DEFUNs Jaroslav Hajek <highegg@gmail.com> parents: 10315 diff changeset	168 }
f10d0bc8f9cc make isargout available to DEFUNs Jaroslav Hajek <highegg@gmail.com> parents: 10315 diff changeset	169 else
f10d0bc8f9cc make isargout available to DEFUNs Jaroslav Hajek <highegg@gmail.com> parents: 10315 diff changeset	170 return true;
f10d0bc8f9cc make isargout available to DEFUNs Jaroslav Hajek <highegg@gmail.com> parents: 10315 diff changeset	171 }
f10d0bc8f9cc make isargout available to DEFUNs Jaroslav Hajek <highegg@gmail.com> parents: 10315 diff changeset	172
f10d0bc8f9cc make isargout available to DEFUNs Jaroslav Hajek <highegg@gmail.com> parents: 10315 diff changeset	173 void defun_isargout (int nargout, int nout, bool *isargout)
f10d0bc8f9cc make isargout available to DEFUNs Jaroslav Hajek <highegg@gmail.com> parents: 10315 diff changeset	174 {
f10d0bc8f9cc make isargout available to DEFUNs Jaroslav Hajek <highegg@gmail.com> parents: 10315 diff changeset	175 const std::list<octave_lvalue> *lvalue_list = octave_builtin::curr_lvalue_list;
f10d0bc8f9cc make isargout available to DEFUNs Jaroslav Hajek <highegg@gmail.com> parents: 10315 diff changeset	176 if (lvalue_list)
f10d0bc8f9cc make isargout available to DEFUNs Jaroslav Hajek <highegg@gmail.com> parents: 10315 diff changeset	177 {
f10d0bc8f9cc make isargout available to DEFUNs Jaroslav Hajek <highegg@gmail.com> parents: 10315 diff changeset	178 int k = 0;
f10d0bc8f9cc make isargout available to DEFUNs Jaroslav Hajek <highegg@gmail.com> parents: 10315 diff changeset	179 for (std::list<octave_lvalue>::const_iterator p = lvalue_list->begin ();
f10d0bc8f9cc make isargout available to DEFUNs Jaroslav Hajek <highegg@gmail.com> parents: 10315 diff changeset	180 p != lvalue_list->end () && k < nout; p++)
f10d0bc8f9cc make isargout available to DEFUNs Jaroslav Hajek <highegg@gmail.com> parents: 10315 diff changeset	181 {
f10d0bc8f9cc make isargout available to DEFUNs Jaroslav Hajek <highegg@gmail.com> parents: 10315 diff changeset	182 if (p->is_black_hole ())
f10d0bc8f9cc make isargout available to DEFUNs Jaroslav Hajek <highegg@gmail.com> parents: 10315 diff changeset	183 isargout[k++] = false;
f10d0bc8f9cc make isargout available to DEFUNs Jaroslav Hajek <highegg@gmail.com> parents: 10315 diff changeset	184 else
f10d0bc8f9cc make isargout available to DEFUNs Jaroslav Hajek <highegg@gmail.com> parents: 10315 diff changeset	185 {
11287 d81b79c1bd5d fixes for --enable-64 John W. Eaton <jwe@octave.org> parents: 10887 diff changeset	186 int l = std::min (k + p->numel (),
d81b79c1bd5d fixes for --enable-64 John W. Eaton <jwe@octave.org> parents: 10887 diff changeset	187 static_cast<octave_idx_type> (nout));
10887 f10d0bc8f9cc make isargout available to DEFUNs Jaroslav Hajek <highegg@gmail.com> parents: 10315 diff changeset	188 while (k < l)
f10d0bc8f9cc make isargout available to DEFUNs Jaroslav Hajek <highegg@gmail.com> parents: 10315 diff changeset	189 isargout[k++] = true;
f10d0bc8f9cc make isargout available to DEFUNs Jaroslav Hajek <highegg@gmail.com> parents: 10315 diff changeset	190 }
f10d0bc8f9cc make isargout available to DEFUNs Jaroslav Hajek <highegg@gmail.com> parents: 10315 diff changeset	191 }
f10d0bc8f9cc make isargout available to DEFUNs Jaroslav Hajek <highegg@gmail.com> parents: 10315 diff changeset	192 }
f10d0bc8f9cc make isargout available to DEFUNs Jaroslav Hajek <highegg@gmail.com> parents: 10315 diff changeset	193 else
f10d0bc8f9cc make isargout available to DEFUNs Jaroslav Hajek <highegg@gmail.com> parents: 10315 diff changeset	194 for (int i = 0; i < nout; i++)
f10d0bc8f9cc make isargout available to DEFUNs Jaroslav Hajek <highegg@gmail.com> parents: 10315 diff changeset	195 isargout[i] = true;
f10d0bc8f9cc make isargout available to DEFUNs Jaroslav Hajek <highegg@gmail.com> parents: 10315 diff changeset	196
f10d0bc8f9cc make isargout available to DEFUNs Jaroslav Hajek <highegg@gmail.com> parents: 10315 diff changeset	197 for (int i = std::max(nargout, 1); i < nout; i++)
f10d0bc8f9cc make isargout available to DEFUNs Jaroslav Hajek <highegg@gmail.com> parents: 10315 diff changeset	198 isargout[i] = false;
f10d0bc8f9cc make isargout available to DEFUNs Jaroslav Hajek <highegg@gmail.com> parents: 10315 diff changeset	199 }
f10d0bc8f9cc make isargout available to DEFUNs Jaroslav Hajek <highegg@gmail.com> parents: 10315 diff changeset	200

Mercurial > hg > octave-nkf

annotate src/defun.cc @ 14626:f947d2922feb stable rc-3-6-2-0