octave: src/defun.cc annotate

annotate src/defun.cc @ 10887:f10d0bc8f9cc

make isargout available to DEFUNs

author	Jaroslav Hajek <highegg@gmail.com>
date	Fri, 13 Aug 2010 10:14:52 +0200
parents	57a59eae83cc
children	d81b79c1bd5d

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
7017 a1dbe9d80eee [project @ 2007-10-12 21:27:11 by jwe] jwe parents: 7016 diff changeset	3 Copyright (C) 1996, 1997, 1998, 1999, 2000, 2002, 2003, 2004, 2005,
8920 eb63fbe60fab update copyright notices John W. Eaton <jwe@octave.org> parents: 8746 diff changeset	4 2006, 2007, 2008, 2009 John W. Eaton
2974 ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	5
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	6 This file is part of Octave.
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	7
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	8 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	9 under the terms of the GNU General Public License as published by the
7016 93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 6323 diff changeset	10 Free Software Foundation; either version 3 of the License, or (at your
93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 6323 diff changeset	11 option) any later version.
2974 ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	12
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	13 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	14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	15 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	16 for more details.
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	17
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	18 You should have received a copy of the GNU General Public License
7016 93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 6323 diff changeset	19 along with Octave; see the file COPYING. If not, see
93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 6323 diff changeset	20 <http://www.gnu.org/licenses/>.
2974 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
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	24 #ifdef HAVE_CONFIG_H
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	25 #include <config.h>
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	26 #endif
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	27
5765 7ba9ad1fec11 [project @ 2006-04-17 05:05:15 by jwe] jwe parents: 5750 diff changeset	28 #include <sstream>
3503 d14c483b3c12 [project @ 2000-02-01 04:06:07 by jwe] jwe parents: 3330 diff changeset	29 #include <iostream>
3014 38de16594cb4 [project @ 1997-06-02 20:28:09 by jwe] jwe parents: 3010 diff changeset	30 #include <string>
38de16594cb4 [project @ 1997-06-02 20:28:09 by jwe] jwe parents: 3010 diff changeset	31
3606 89f958b5358f [project @ 2000-03-08 09:30:05 by jwe] jwe parents: 3523 diff changeset	32 #include "defun.h"
3325 2efa28a91e7a [project @ 1999-10-29 21:39:20 by jwe] jwe parents: 3259 diff changeset	33 #include "dynamic-ld.h"
3014 38de16594cb4 [project @ 1997-06-02 20:28:09 by jwe] jwe parents: 3010 diff changeset	34 #include "error.h"
38de16594cb4 [project @ 1997-06-02 20:28:09 by jwe] jwe parents: 3010 diff changeset	35 #include "help.h"
2974 ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	36 #include "ov.h"
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	37 #include "ov-builtin.h"
3325 2efa28a91e7a [project @ 1999-10-29 21:39:20 by jwe] jwe parents: 3259 diff changeset	38 #include "ov-dld-fcn.h"
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5814 diff changeset	39 #include "ov-fcn.h"
5864 e884ab4f29ee [project @ 2006-06-22 00:57:27 by jwe] jwe parents: 5823 diff changeset	40 #include "ov-mex-fcn.h"
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5814 diff changeset	41 #include "ov-usr-fcn.h"
3606 89f958b5358f [project @ 2000-03-08 09:30:05 by jwe] jwe parents: 3523 diff changeset	42 #include "oct-obj.h"
10887 f10d0bc8f9cc make isargout available to DEFUNs Jaroslav Hajek <highegg@gmail.com> parents: 10315 diff changeset	43 #include "oct-lvalue.h"
3014 38de16594cb4 [project @ 1997-06-02 20:28:09 by jwe] jwe parents: 3010 diff changeset	44 #include "pager.h"
2974 ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	45 #include "symtab.h"
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5814 diff changeset	46 #include "toplev.h"
2974 ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	47 #include "variables.h"
8575 f134925a1cfa m-file implementation of help system Soren Hauberg <soren@hauberg.org> parents: 7923 diff changeset	48 #include "parse.h"
2974 ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	49
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5814 diff changeset	50 // 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	51 void
f134925a1cfa m-file implementation of help system Soren Hauberg <soren@hauberg.org> parents: 7923 diff changeset	52 print_usage (void)
3014 38de16594cb4 [project @ 1997-06-02 20:28:09 by jwe] jwe parents: 3010 diff changeset	53 {
8575 f134925a1cfa m-file implementation of help system Soren Hauberg <soren@hauberg.org> parents: 7923 diff changeset	54 const octave_function *cur = octave_call_stack::current ();
f134925a1cfa m-file implementation of help system Soren Hauberg <soren@hauberg.org> parents: 7923 diff changeset	55 if (cur)
f134925a1cfa m-file implementation of help system Soren Hauberg <soren@hauberg.org> parents: 7923 diff changeset	56 print_usage (cur->name ());
3014 38de16594cb4 [project @ 1997-06-02 20:28:09 by jwe] jwe parents: 3010 diff changeset	57 else
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5814 diff changeset	58 error ("print_usage: invalid function");
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
080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5814 diff changeset	61 void
8575 f134925a1cfa m-file implementation of help system Soren Hauberg <soren@hauberg.org> parents: 7923 diff changeset	62 print_usage (const std::string& name)
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5814 diff changeset	63 {
8575 f134925a1cfa m-file implementation of help system Soren Hauberg <soren@hauberg.org> parents: 7923 diff changeset	64 feval ("print_usage", octave_value (name), 0);
5800 e8be7fe586f9 [project @ 2006-05-10 06:50:45 by jwe] jwe parents: 5794 diff changeset	65 }
e8be7fe586f9 [project @ 2006-05-10 06:50:45 by jwe] jwe parents: 5794 diff changeset	66
3015 2e114e914b77 [project @ 1997-06-02 21:03:55 by jwe] jwe parents: 3014 diff changeset	67 void
3523 b80bbb43a1a9 [project @ 2000-02-02 10:25:52 by jwe] jwe parents: 3503 diff changeset	68 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	69 {
4448 042cdbb7f317 [project @ 2003-07-08 19:14:55 by jwe] jwe parents: 4445 diff changeset	70 if (version != OCTAVE_API_VERSION)
3986 7cb85d5c7aad [project @ 2002-07-11 15:37:02 by jwe] jwe parents: 3606 diff changeset	71 {
4448 042cdbb7f317 [project @ 2003-07-08 19:14:55 by jwe] jwe parents: 4445 diff changeset	72 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	73 " 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	74 " 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	75 " 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	76 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	77 }
3015 2e114e914b77 [project @ 1997-06-02 21:03:55 by jwe] jwe parents: 3014 diff changeset	78 }
2e114e914b77 [project @ 1997-06-02 21:03:55 by jwe] jwe parents: 3014 diff changeset	79
2974 ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	80 // Install variables and functions in the symbol tables.
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	81
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	82 void
3523 b80bbb43a1a9 [project @ 2000-02-02 10:25:52 by jwe] jwe parents: 3503 diff changeset	83 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	84 const std::string& doc,
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	85 bool /* can_hide_function -- not yet implemented */)
2974 ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	86 {
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	87 octave_value fcn (new octave_builtin (f, name, doc));
2974 ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	88
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	89 symbol_table::install_built_in_function (name, fcn);
2974 ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	90 }
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	91
3258 4964d5391acc [project @ 1999-07-21 21:51:33 by jwe] jwe parents: 3145 diff changeset	92 void
3523 b80bbb43a1a9 [project @ 2000-02-02 10:25:52 by jwe] jwe parents: 3503 diff changeset	93 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	94 const octave_shlib& shl, const std::string& doc,
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	95 bool relative)
3325 2efa28a91e7a [project @ 1999-10-29 21:39:20 by jwe] jwe parents: 3259 diff changeset	96 {
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	97 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	98
ea65de49e18e [project @ 2007-02-17 02:51:02 by jwe] jwe parents: 5864 diff changeset	99 if (relative)
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	100 fcn->mark_relative ();
6323 ea65de49e18e [project @ 2007-02-17 02:51:02 by jwe] jwe parents: 5864 diff changeset	101
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	102 octave_value fval (fcn);
5397 b12c0f920da0 [project @ 2005-06-17 07:52:28 by jwe] jwe parents: 5307 diff changeset	103
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	104 symbol_table::install_built_in_function (name, fval);
3325 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
2efa28a91e7a [project @ 1999-10-29 21:39:20 by jwe] jwe parents: 3259 diff changeset	107 void
5864 e884ab4f29ee [project @ 2006-06-22 00:57:27 by jwe] jwe parents: 5823 diff changeset	108 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	109 const octave_shlib& shl, bool relative)
5864 e884ab4f29ee [project @ 2006-06-22 00:57:27 by jwe] jwe parents: 5823 diff changeset	110 {
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	111 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	112
ea65de49e18e [project @ 2007-02-17 02:51:02 by jwe] jwe parents: 5864 diff changeset	113 if (relative)
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	114 fcn->mark_relative ();
6323 ea65de49e18e [project @ 2007-02-17 02:51:02 by jwe] jwe parents: 5864 diff changeset	115
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	116 octave_value fval (fcn);
5864 e884ab4f29ee [project @ 2006-06-22 00:57:27 by jwe] jwe parents: 5823 diff changeset	117
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	118 symbol_table::install_built_in_function (name, fval);
5864 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
e884ab4f29ee [project @ 2006-06-22 00:57:27 by jwe] jwe parents: 5823 diff changeset	121 void
3523 b80bbb43a1a9 [project @ 2000-02-02 10:25:52 by jwe] jwe parents: 3503 diff changeset	122 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	123 {
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	124 symbol_table::alias_built_in_function (alias, name);
2974 ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	125 }
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	126
9960 5f3c10ecb150 implement get_current_shlib and octave_auto_shlib Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	127 octave_shlib
5f3c10ecb150 implement get_current_shlib and octave_auto_shlib Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	128 get_current_shlib (void)
5f3c10ecb150 implement get_current_shlib and octave_auto_shlib Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	129 {
5f3c10ecb150 implement get_current_shlib and octave_auto_shlib Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	130 octave_shlib retval;
5f3c10ecb150 implement get_current_shlib and octave_auto_shlib Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	131
5f3c10ecb150 implement get_current_shlib and octave_auto_shlib Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	132 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	133 if (curr_fcn)
5f3c10ecb150 implement get_current_shlib and octave_auto_shlib Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	134 {
5f3c10ecb150 implement get_current_shlib and octave_auto_shlib Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	135 if (curr_fcn->is_dld_function ())
5f3c10ecb150 implement get_current_shlib and octave_auto_shlib Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	136 {
5f3c10ecb150 implement get_current_shlib and octave_auto_shlib Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	137 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	138 retval = dld->get_shlib ();
5f3c10ecb150 implement get_current_shlib and octave_auto_shlib Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	139 }
5f3c10ecb150 implement get_current_shlib and octave_auto_shlib Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	140 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	141 {
5f3c10ecb150 implement get_current_shlib and octave_auto_shlib Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	142 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	143 retval = mex->get_shlib ();
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
5f3c10ecb150 implement get_current_shlib and octave_auto_shlib Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	147 return retval;
5f3c10ecb150 implement get_current_shlib and octave_auto_shlib Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	148 }
10887 f10d0bc8f9cc make isargout available to DEFUNs Jaroslav Hajek <highegg@gmail.com> parents: 10315 diff changeset	149
f10d0bc8f9cc make isargout available to DEFUNs Jaroslav Hajek <highegg@gmail.com> parents: 10315 diff changeset	150 bool defun_isargout (int nargout, int iout)
f10d0bc8f9cc make isargout available to DEFUNs Jaroslav Hajek <highegg@gmail.com> parents: 10315 diff changeset	151 {
f10d0bc8f9cc make isargout available to DEFUNs Jaroslav Hajek <highegg@gmail.com> parents: 10315 diff changeset	152 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	153 if (iout >= std::max (nargout, 1))
f10d0bc8f9cc make isargout available to DEFUNs Jaroslav Hajek <highegg@gmail.com> parents: 10315 diff changeset	154 return false;
f10d0bc8f9cc make isargout available to DEFUNs Jaroslav Hajek <highegg@gmail.com> parents: 10315 diff changeset	155 else if (lvalue_list)
f10d0bc8f9cc make isargout available to DEFUNs Jaroslav Hajek <highegg@gmail.com> parents: 10315 diff changeset	156 {
f10d0bc8f9cc make isargout available to DEFUNs Jaroslav Hajek <highegg@gmail.com> parents: 10315 diff changeset	157 int k = 0;
f10d0bc8f9cc make isargout available to DEFUNs Jaroslav Hajek <highegg@gmail.com> parents: 10315 diff changeset	158 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	159 p != lvalue_list->end (); p++)
f10d0bc8f9cc make isargout available to DEFUNs Jaroslav Hajek <highegg@gmail.com> parents: 10315 diff changeset	160 {
f10d0bc8f9cc make isargout available to DEFUNs Jaroslav Hajek <highegg@gmail.com> parents: 10315 diff changeset	161 if (k == iout)
f10d0bc8f9cc make isargout available to DEFUNs Jaroslav Hajek <highegg@gmail.com> parents: 10315 diff changeset	162 return ! p->is_black_hole ();
f10d0bc8f9cc make isargout available to DEFUNs Jaroslav Hajek <highegg@gmail.com> parents: 10315 diff changeset	163 k += p->numel ();
f10d0bc8f9cc make isargout available to DEFUNs Jaroslav Hajek <highegg@gmail.com> parents: 10315 diff changeset	164 if (k > iout)
f10d0bc8f9cc make isargout available to DEFUNs Jaroslav Hajek <highegg@gmail.com> parents: 10315 diff changeset	165 break;
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
f10d0bc8f9cc make isargout available to DEFUNs Jaroslav Hajek <highegg@gmail.com> parents: 10315 diff changeset	168 return true;
f10d0bc8f9cc make isargout available to DEFUNs Jaroslav Hajek <highegg@gmail.com> parents: 10315 diff changeset	169 }
f10d0bc8f9cc make isargout available to DEFUNs Jaroslav Hajek <highegg@gmail.com> parents: 10315 diff changeset	170 else
f10d0bc8f9cc make isargout available to DEFUNs Jaroslav Hajek <highegg@gmail.com> parents: 10315 diff changeset	171 return true;
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
f10d0bc8f9cc make isargout available to DEFUNs Jaroslav Hajek <highegg@gmail.com> parents: 10315 diff changeset	174 void defun_isargout (int nargout, int nout, bool *isargout)
f10d0bc8f9cc make isargout available to DEFUNs Jaroslav Hajek <highegg@gmail.com> parents: 10315 diff changeset	175 {
f10d0bc8f9cc make isargout available to DEFUNs Jaroslav Hajek <highegg@gmail.com> parents: 10315 diff changeset	176 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	177 if (lvalue_list)
f10d0bc8f9cc make isargout available to DEFUNs Jaroslav Hajek <highegg@gmail.com> parents: 10315 diff changeset	178 {
f10d0bc8f9cc make isargout available to DEFUNs Jaroslav Hajek <highegg@gmail.com> parents: 10315 diff changeset	179 int k = 0;
f10d0bc8f9cc make isargout available to DEFUNs Jaroslav Hajek <highegg@gmail.com> parents: 10315 diff changeset	180 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	181 p != lvalue_list->end () && k < nout; p++)
f10d0bc8f9cc make isargout available to DEFUNs Jaroslav Hajek <highegg@gmail.com> parents: 10315 diff changeset	182 {
f10d0bc8f9cc make isargout available to DEFUNs Jaroslav Hajek <highegg@gmail.com> parents: 10315 diff changeset	183 if (p->is_black_hole ())
f10d0bc8f9cc make isargout available to DEFUNs Jaroslav Hajek <highegg@gmail.com> parents: 10315 diff changeset	184 isargout[k++] = false;
f10d0bc8f9cc make isargout available to DEFUNs Jaroslav Hajek <highegg@gmail.com> parents: 10315 diff changeset	185 else
f10d0bc8f9cc make isargout available to DEFUNs Jaroslav Hajek <highegg@gmail.com> parents: 10315 diff changeset	186 {
f10d0bc8f9cc make isargout available to DEFUNs Jaroslav Hajek <highegg@gmail.com> parents: 10315 diff changeset	187 int l = std::min (k + p->numel (), nout);
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 > octave

annotate src/defun.cc @ 10887:f10d0bc8f9cc