octave-antonio: libinterp/octave-value/ov-usr-fcn.cc annotate

annotate libinterp/octave-value/ov-usr-fcn.cc @ 16530:7ca7e7d5eb91

remove breakpoints when clearing function * pt-stmt.h, pt-stmt.cc (tree_statement_list::add_breakpoint, tree_statement_list::remove_all_breakpoints): New functions. * debug.cc (bp_table::do_add_breakpoint): Call cmds->remove_all_breakpoints. (bp_table::do_remove_all_breakpoints_in_file): Call cmds->remove_all_breakpoints. * ov-usr-fcn.cc (octave_user_script::~octave_user_script, octave_user_function::~octave_user_function): Call cmd_list->remove_all_breakpoints.

author	John W. Eaton <jwe@octave.org>
date	Wed, 17 Apr 2013 02:54:40 -0400
parents	302157614308
children	2ed5bc680c71 645672f1c873

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: 13951 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: 6657 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: 6657 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: 6657 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: 6657 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
12783 ad9263d965dc First experimental profiler implementation with flat profile. Daniel Kraft <d@domob.eu> parents: 12546 diff changeset	27 #include <sstream>
ad9263d965dc First experimental profiler implementation with flat profile. Daniel Kraft <d@domob.eu> parents: 12546 diff changeset	28
2974 ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	29 #include "str-vec.h"
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	30
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	31 #include <defaults.h>
3974 e2290bf911f0 [project @ 2002-07-04 17:38:22 by jwe] jwe parents: 3933 diff changeset	32 #include "Cell.h"
15427 6823ad7a25b1 implement local option for warnings John W. Eaton <jwe@octave.org> parents: 15337 diff changeset	33 #include "builtins.h"
2974 ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	34 #include "defun.h"
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	35 #include "error.h"
10832 1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	36 #include "gripes.h"
2974 ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	37 #include "input.h"
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	38 #include "oct-obj.h"
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	39 #include "ov-usr-fcn.h"
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	40 #include "ov.h"
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	41 #include "pager.h"
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: 8580 diff changeset	42 #include "pt-eval.h"
15337 3f43e9d6d86e JIT compile anonymous functions Max Brister <max@2bass.com> parents: 15236 diff changeset	43 #include "pt-jit.h"
2985 aa9d0c0e0458 [project @ 1997-05-16 06:54:18 by jwe] jwe parents: 2982 diff changeset	44 #include "pt-jump.h"
2974 ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	45 #include "pt-misc.h"
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	46 #include "pt-pr-code.h"
2982 20f5cec4f11c [project @ 1997-05-16 03:29:26 by jwe] jwe parents: 2974 diff changeset	47 #include "pt-stmt.h"
2974 ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	48 #include "pt-walk.h"
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	49 #include "symtab.h"
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	50 #include "toplev.h"
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	51 #include "unwind-prot.h"
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	52 #include "utils.h"
3489 cbee5fbb696d [project @ 2000-01-28 09:14:32 by jwe] jwe parents: 3445 diff changeset	53 #include "parse.h"
12783 ad9263d965dc First experimental profiler implementation with flat profile. Daniel Kraft <d@domob.eu> parents: 12546 diff changeset	54 #include "profiler.h"
2974 ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	55 #include "variables.h"
14136 20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	56 #include "ov-fcn-handle.h"
2974 ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	57
9522 e79470be3ecb implement subsasgn this-arg optimization Jaroslav Hajek <highegg@gmail.com> parents: 9396 diff changeset	58 // Whether to optimize subsasgn method calls.
9529 8e5009334661 partially revert e79470be3ecb Jaroslav Hajek <highegg@gmail.com> parents: 9522 diff changeset	59 static bool Voptimize_subsasgn_calls = true;
9522 e79470be3ecb implement subsasgn this-arg optimization Jaroslav Hajek <highegg@gmail.com> parents: 9396 diff changeset	60
7715 5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7589 diff changeset	61 // User defined scripts.
5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7589 diff changeset	62
5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7589 diff changeset	63 DEFINE_OCTAVE_ALLOCATOR (octave_user_script);
5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7589 diff changeset	64
5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7589 diff changeset	65 DEFINE_OV_TYPEID_FUNCTIONS_AND_DATA (octave_user_script,
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	66 "user-defined script",
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	67 "user-defined script");
7715 5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7589 diff changeset	68
7731 2d2a969c731c fix max_recursion_limit exceeded at startup with Intel C++ Jaroslav Hajek <highegg@gmail.com> parents: 7719 diff changeset	69 octave_user_script::octave_user_script (void)
2d2a969c731c fix max_recursion_limit exceeded at startup with Intel C++ Jaroslav Hajek <highegg@gmail.com> parents: 7719 diff changeset	70 : octave_user_code (), cmd_list (0), file_name (),
2d2a969c731c fix max_recursion_limit exceeded at startup with Intel C++ Jaroslav Hajek <highegg@gmail.com> parents: 7719 diff changeset	71 t_parsed (static_cast<time_t> (0)),
2d2a969c731c fix max_recursion_limit exceeded at startup with Intel C++ Jaroslav Hajek <highegg@gmail.com> parents: 7719 diff changeset	72 t_checked (static_cast<time_t> (0)),
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7736 diff changeset	73 call_depth (-1)
7731 2d2a969c731c fix max_recursion_limit exceeded at startup with Intel C++ Jaroslav Hajek <highegg@gmail.com> parents: 7719 diff changeset	74 { }
2d2a969c731c fix max_recursion_limit exceeded at startup with Intel C++ Jaroslav Hajek <highegg@gmail.com> parents: 7719 diff changeset	75
2d2a969c731c fix max_recursion_limit exceeded at startup with Intel C++ Jaroslav Hajek <highegg@gmail.com> parents: 7719 diff changeset	76 octave_user_script::octave_user_script (const std::string& fnm,
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	77 const std::string& nm,
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	78 tree_statement_list *cmds,
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	79 const std::string& ds)
7731 2d2a969c731c fix max_recursion_limit exceeded at startup with Intel C++ Jaroslav Hajek <highegg@gmail.com> parents: 7719 diff changeset	80 : octave_user_code (nm, ds), cmd_list (cmds), file_name (fnm),
2d2a969c731c fix max_recursion_limit exceeded at startup with Intel C++ Jaroslav Hajek <highegg@gmail.com> parents: 7719 diff changeset	81 t_parsed (static_cast<time_t> (0)),
2d2a969c731c fix max_recursion_limit exceeded at startup with Intel C++ Jaroslav Hajek <highegg@gmail.com> parents: 7719 diff changeset	82 t_checked (static_cast<time_t> (0)),
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7736 diff changeset	83 call_depth (-1)
7736 a059b5679fbb implement dbstack John W. Eaton <jwe@octave.org> parents: 7731 diff changeset	84 {
a059b5679fbb implement dbstack John W. Eaton <jwe@octave.org> parents: 7731 diff changeset	85 if (cmd_list)
a059b5679fbb implement dbstack John W. Eaton <jwe@octave.org> parents: 7731 diff changeset	86 cmd_list->mark_as_script_body ();
a059b5679fbb implement dbstack John W. Eaton <jwe@octave.org> parents: 7731 diff changeset	87 }
7731 2d2a969c731c fix max_recursion_limit exceeded at startup with Intel C++ Jaroslav Hajek <highegg@gmail.com> parents: 7719 diff changeset	88
2d2a969c731c fix max_recursion_limit exceeded at startup with Intel C++ Jaroslav Hajek <highegg@gmail.com> parents: 7719 diff changeset	89 octave_user_script::octave_user_script (const std::string& fnm,
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	90 const std::string& nm,
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	91 const std::string& ds)
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11558 diff changeset	92 : octave_user_code (nm, ds), cmd_list (0), file_name (fnm),
7731 2d2a969c731c fix max_recursion_limit exceeded at startup with Intel C++ Jaroslav Hajek <highegg@gmail.com> parents: 7719 diff changeset	93 t_parsed (static_cast<time_t> (0)),
2d2a969c731c fix max_recursion_limit exceeded at startup with Intel C++ Jaroslav Hajek <highegg@gmail.com> parents: 7719 diff changeset	94 t_checked (static_cast<time_t> (0)),
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7736 diff changeset	95 call_depth (-1)
7731 2d2a969c731c fix max_recursion_limit exceeded at startup with Intel C++ Jaroslav Hajek <highegg@gmail.com> parents: 7719 diff changeset	96 { }
2d2a969c731c fix max_recursion_limit exceeded at startup with Intel C++ Jaroslav Hajek <highegg@gmail.com> parents: 7719 diff changeset	97
7715 5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7589 diff changeset	98 octave_user_script::~octave_user_script (void)
5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7589 diff changeset	99 {
16530 7ca7e7d5eb91 remove breakpoints when clearing function John W. Eaton <jwe@octave.org> parents: 16442 diff changeset	100 if (cmd_list)
7ca7e7d5eb91 remove breakpoints when clearing function John W. Eaton <jwe@octave.org> parents: 16442 diff changeset	101 cmd_list->remove_all_breakpoints (file_name);
7ca7e7d5eb91 remove breakpoints when clearing function John W. Eaton <jwe@octave.org> parents: 16442 diff changeset	102
7715 5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7589 diff changeset	103 delete cmd_list;
5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7589 diff changeset	104 }
5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7589 diff changeset	105
5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7589 diff changeset	106 octave_value_list
5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7589 diff changeset	107 octave_user_script::subsref (const std::string&,
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	108 const std::list<octave_value_list>&, int)
7715 5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7589 diff changeset	109 {
5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7589 diff changeset	110 octave_value_list retval;
5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7589 diff changeset	111
10001 6918d86add73 Print script filename in script indexing errors David Grundberg <davidg@cs.umu.se> parents: 9646 diff changeset	112 ::error ("invalid use of script %s in index expression", file_name.c_str ());
7715 5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7589 diff changeset	113
5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7589 diff changeset	114 return retval;
5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7589 diff changeset	115 }
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	116
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	117 octave_value_list
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	118 octave_user_script::do_multi_index_op (int nargout,
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	119 const octave_value_list& args)
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	120 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	121 octave_value_list retval;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	122
10066 2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 10001 diff changeset	123 unwind_protect frame;
8011 3100283874d7 improve backtrace error messages John W. Eaton <jwe@octave.org> parents: 7968 diff changeset	124
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	125 if (! error_state)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	126 {
7715 5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7589 diff changeset	127 if (args.length () == 0 && nargout == 0)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	128 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	129 if (cmd_list)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	130 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	131 frame.protect_var (call_depth);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	132 call_depth++;
7715 5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7589 diff changeset	133
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	134 if (call_depth < Vmax_recursion_depth)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	135 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	136 octave_call_stack::push (this);
7715 5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7589 diff changeset	137
10066 2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 10001 diff changeset	138 frame.add_fcn (octave_call_stack::pop);
7715 5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7589 diff changeset	139
11304 c9fefa096ce2 echo commands in scripts John W. Eaton <jwe@octave.org> parents: 10848 diff changeset	140 frame.protect_var (tree_evaluator::statement_context);
c9fefa096ce2 echo commands in scripts John W. Eaton <jwe@octave.org> parents: 10848 diff changeset	141 tree_evaluator::statement_context = tree_evaluator::script;
8669 33783e94fb16 line number fixes and other evaluator tweaks John W. Eaton <jwe@octave.org> parents: 8658 diff changeset	142
12960 43d78e103984 Use macro to start profiler blocks. Daniel Kraft <d@domob.eu> parents: 12920 diff changeset	143 BEGIN_PROFILER_BLOCK (profiler_name ())
43d78e103984 Use macro to start profiler blocks. Daniel Kraft <d@domob.eu> parents: 12920 diff changeset	144 cmd_list->accept (*current_evaluator);
43d78e103984 Use macro to start profiler blocks. Daniel Kraft <d@domob.eu> parents: 12920 diff changeset	145 END_PROFILER_BLOCK
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	146
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	147 if (tree_return_command::returning)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	148 tree_return_command::returning = 0;
7715 5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7589 diff changeset	149
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	150 if (tree_break_command::breaking)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	151 tree_break_command::breaking--;
8013 b3e667f1ab4c call backtrace_error_message in eval functions, not when popping stack John W. Eaton <jwe@octave.org> parents: 8011 diff changeset	152
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	153 if (error_state)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	154 octave_call_stack::backtrace_error_message ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	155 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	156 else
10578 cb0883127251 limit on recursion via calls to source function John W. Eaton <jwe@octave.org> parents: 10315 diff changeset	157 ::error ("max_recursion_depth exceeded");
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	158 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	159 }
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	160 else
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	161 error ("invalid call to script %s", file_name.c_str ());
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	162 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	163
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	164 return retval;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	165 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	166
7715 5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7589 diff changeset	167 void
5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7589 diff changeset	168 octave_user_script::accept (tree_walker& tw)
5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7589 diff changeset	169 {
5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7589 diff changeset	170 tw.visit_octave_user_script (*this);
5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7589 diff changeset	171 }
5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7589 diff changeset	172
2974 ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	173 // User defined functions.
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	174
3219 30770ba4457a [project @ 1998-11-13 03:44:31 by jwe] jwe parents: 3178 diff changeset	175 DEFINE_OCTAVE_ALLOCATOR (octave_user_function);
2974 ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	176
3219 30770ba4457a [project @ 1998-11-13 03:44:31 by jwe] jwe parents: 3178 diff changeset	177 DEFINE_OV_TYPEID_FUNCTIONS_AND_DATA (octave_user_function,
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	178 "user-defined function",
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	179 "user-defined function");
2974 ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	180
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	181 // Ugh. This really needs to be simplified (code/data?
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	182 // extrinsic/intrinsic state?).
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	183
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	184 octave_user_function::octave_user_function
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	185 (symbol_table::scope_id sid, tree_parameter_list *pl,
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	186 tree_parameter_list rl, tree_statement_list cl)
7719 87eda1f8faaa octave_user_code: new base class for octave_user_script and octave_user_function John W. Eaton <jwe@octave.org> parents: 7715 diff changeset	187 : octave_user_code (std::string (), std::string ()),
2974 ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	188 param_list (pl), ret_list (rl), cmd_list (cl),
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	189 lead_comm (), trail_comm (), file_name (),
12783 ad9263d965dc First experimental profiler implementation with flat profile. Daniel Kraft <d@domob.eu> parents: 12546 diff changeset	190 location_line (0), location_column (0),
6323 ea65de49e18e [project @ 2007-02-17 02:51:02 by jwe] jwe parents: 6149 diff changeset	191 parent_name (), t_parsed (static_cast<time_t> (0)),
3255 4d33b1e56bff [project @ 1999-07-15 20:54:14 by jwe] jwe parents: 3239 diff changeset	192 t_checked (static_cast<time_t> (0)),
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7736 diff changeset	193 system_fcn_file (false), call_depth (-1),
7589 90fb25a5a3fa minor cleanup in octave_user_function constructor John W. Eaton <jwe@octave.org> parents: 7552 diff changeset	194 num_named_args (param_list ? param_list->length () : 0),
11461 2b8531a6a3c9 Change mentions of "nested function" to the less misleading "subfunction" David Grundberg <individ@acc.umu.se> parents: 11431 diff changeset	195 subfunction (false), inline_function (false),
14861 f7afecdd87ef maint: Use Octave coding conventions for cuddling parentheses in src/ directory Rik <octave@nomad.inbox5.com> parents: 14573 diff changeset	196 anonymous_function (false), nested_function (false),
14544 be18c9e359bf Nested function support (bug #35772) Max Brister <max@2bass.com> parents: 14366 diff changeset	197 class_constructor (false), class_method (false),
be18c9e359bf Nested function support (bug #35772) Max Brister <max@2bass.com> parents: 14366 diff changeset	198 parent_scope (-1), local_scope (sid),
10637 9cd5aa83fa62 implement 'local' parameter to pseudo-variables Jaroslav Hajek <highegg@gmail.com> parents: 10578 diff changeset	199 curr_unwind_protect_frame (0)
15337 3f43e9d6d86e JIT compile anonymous functions Max Brister <max@2bass.com> parents: 15236 diff changeset	200 #ifdef HAVE_LLVM
3f43e9d6d86e JIT compile anonymous functions Max Brister <max@2bass.com> parents: 15236 diff changeset	201 , jit_info (0)
3f43e9d6d86e JIT compile anonymous functions Max Brister <max@2bass.com> parents: 15236 diff changeset	202 #endif
7736 a059b5679fbb implement dbstack John W. Eaton <jwe@octave.org> parents: 7731 diff changeset	203 {
a059b5679fbb implement dbstack John W. Eaton <jwe@octave.org> parents: 7731 diff changeset	204 if (cmd_list)
a059b5679fbb implement dbstack John W. Eaton <jwe@octave.org> parents: 7731 diff changeset	205 cmd_list->mark_as_function_body ();
9639 8d79f36ebdde store scope->function pointer Jaroslav Hajek <highegg@gmail.com> parents: 9529 diff changeset	206
8d79f36ebdde store scope->function pointer Jaroslav Hajek <highegg@gmail.com> parents: 9529 diff changeset	207 if (local_scope >= 0)
8d79f36ebdde store scope->function pointer Jaroslav Hajek <highegg@gmail.com> parents: 9529 diff changeset	208 symbol_table::set_curr_fcn (this, local_scope);
7736 a059b5679fbb implement dbstack John W. Eaton <jwe@octave.org> parents: 7731 diff changeset	209 }
2974 ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	210
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	211 octave_user_function::~octave_user_function (void)
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	212 {
16530 7ca7e7d5eb91 remove breakpoints when clearing function John W. Eaton <jwe@octave.org> parents: 16442 diff changeset	213 if (cmd_list)
7ca7e7d5eb91 remove breakpoints when clearing function John W. Eaton <jwe@octave.org> parents: 16442 diff changeset	214 cmd_list->remove_all_breakpoints (file_name);
7ca7e7d5eb91 remove breakpoints when clearing function John W. Eaton <jwe@octave.org> parents: 16442 diff changeset	215
2974 ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	216 delete param_list;
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	217 delete ret_list;
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	218 delete cmd_list;
3665 0689afb1d001 [project @ 2000-05-11 19:07:56 by jwe] jwe parents: 3565 diff changeset	219 delete lead_comm;
0689afb1d001 [project @ 2000-05-11 19:07:56 by jwe] jwe parents: 3565 diff changeset	220 delete trail_comm;
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	221
15337 3f43e9d6d86e JIT compile anonymous functions Max Brister <max@2bass.com> parents: 15236 diff changeset	222 #ifdef HAVE_LLVM
3f43e9d6d86e JIT compile anonymous functions Max Brister <max@2bass.com> parents: 15236 diff changeset	223 delete jit_info;
3f43e9d6d86e JIT compile anonymous functions Max Brister <max@2bass.com> parents: 15236 diff changeset	224 #endif
3f43e9d6d86e JIT compile anonymous functions Max Brister <max@2bass.com> parents: 15236 diff changeset	225
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	226 symbol_table::erase_scope (local_scope);
2974 ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	227 }
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	228
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	229 octave_user_function *
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	230 octave_user_function::define_ret_list (tree_parameter_list *t)
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	231 {
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	232 ret_list = t;
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	233
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	234 return this;
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	235 }
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	236
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	237 void
4343 db5e0814277a [project @ 2003-02-20 16:44:16 by jwe] jwe parents: 4280 diff changeset	238 octave_user_function::stash_fcn_file_name (const std::string& nm)
2974 ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	239 {
4343 db5e0814277a [project @ 2003-02-20 16:44:16 by jwe] jwe parents: 4280 diff changeset	240 file_name = nm;
2974 ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	241 }
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	242
12783 ad9263d965dc First experimental profiler implementation with flat profile. Daniel Kraft <d@domob.eu> parents: 12546 diff changeset	243 std::string
ad9263d965dc First experimental profiler implementation with flat profile. Daniel Kraft <d@domob.eu> parents: 12546 diff changeset	244 octave_user_function::profiler_name (void) const
ad9263d965dc First experimental profiler implementation with flat profile. Daniel Kraft <d@domob.eu> parents: 12546 diff changeset	245 {
ad9263d965dc First experimental profiler implementation with flat profile. Daniel Kraft <d@domob.eu> parents: 12546 diff changeset	246 std::ostringstream result;
ad9263d965dc First experimental profiler implementation with flat profile. Daniel Kraft <d@domob.eu> parents: 12546 diff changeset	247
ad9263d965dc First experimental profiler implementation with flat profile. Daniel Kraft <d@domob.eu> parents: 12546 diff changeset	248 if (is_inline_function ())
13241 2a8dcb5b3a00 improve default indexing for objects John W. Eaton <jwe@octave.org> parents: 12960 diff changeset	249 result << "inline@" << fcn_file_name ()
2a8dcb5b3a00 improve default indexing for objects John W. Eaton <jwe@octave.org> parents: 12960 diff changeset	250 << ":" << location_line << ":" << location_column;
2a8dcb5b3a00 improve default indexing for objects John W. Eaton <jwe@octave.org> parents: 12960 diff changeset	251 else if (is_anonymous_function ())
12783 ad9263d965dc First experimental profiler implementation with flat profile. Daniel Kraft <d@domob.eu> parents: 12546 diff changeset	252 result << "anonymous@" << fcn_file_name ()
ad9263d965dc First experimental profiler implementation with flat profile. Daniel Kraft <d@domob.eu> parents: 12546 diff changeset	253 << ":" << location_line << ":" << location_column;
ad9263d965dc First experimental profiler implementation with flat profile. Daniel Kraft <d@domob.eu> parents: 12546 diff changeset	254 else if (is_subfunction ())
ad9263d965dc First experimental profiler implementation with flat profile. Daniel Kraft <d@domob.eu> parents: 12546 diff changeset	255 result << parent_fcn_name () << ">" << name ();
ad9263d965dc First experimental profiler implementation with flat profile. Daniel Kraft <d@domob.eu> parents: 12546 diff changeset	256 else
ad9263d965dc First experimental profiler implementation with flat profile. Daniel Kraft <d@domob.eu> parents: 12546 diff changeset	257 result << name ();
ad9263d965dc First experimental profiler implementation with flat profile. Daniel Kraft <d@domob.eu> parents: 12546 diff changeset	258
ad9263d965dc First experimental profiler implementation with flat profile. Daniel Kraft <d@domob.eu> parents: 12546 diff changeset	259 return result.str ();
ad9263d965dc First experimental profiler implementation with flat profile. Daniel Kraft <d@domob.eu> parents: 12546 diff changeset	260 }
ad9263d965dc First experimental profiler implementation with flat profile. Daniel Kraft <d@domob.eu> parents: 12546 diff changeset	261
2974 ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	262 void
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	263 octave_user_function::mark_as_system_fcn_file (void)
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	264 {
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	265 if (! file_name.empty ())
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	266 {
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	267 // We really should stash the whole path to the file we found,
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	268 // when we looked it up, to avoid possible race conditions...
5775 ace8d8d26933 [project @ 2006-04-24 19:13:06 by jwe] jwe parents: 5744 diff changeset	269 // FIXME
2974 ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	270 //
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	271 // We probably also don't need to get the library directory
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	272 // every time, but since this function is only called when the
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	273 // function file is parsed, it probably doesn't matter that
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	274 // much.
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	275
3523 b80bbb43a1a9 [project @ 2000-02-02 10:25:52 by jwe] jwe parents: 3489 diff changeset	276 std::string ff_name = fcn_file_in_path (file_name);
2974 ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	277
3565 4290f11c8d3b [project @ 2000-02-03 08:32:41 by jwe] jwe parents: 3544 diff changeset	278 if (Vfcn_file_dir == ff_name.substr (0, Vfcn_file_dir.length ()))
14866 2309812f428e Use explicit false and true instead of 0 and 1 Jordi Gutiérrez Hermoso <jordigh@octave.org> parents: 14861 diff changeset	279 system_fcn_file = true;
2974 ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	280 }
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	281 else
14866 2309812f428e Use explicit false and true instead of 0 and 1 Jordi Gutiérrez Hermoso <jordigh@octave.org> parents: 14861 diff changeset	282 system_fcn_file = false;
2974 ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	283 }
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	284
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	285 bool
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	286 octave_user_function::takes_varargs (void) const
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	287 {
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	288 return (param_list && param_list->takes_varargs ());
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	289 }
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	290
5848 415ae81d331b [project @ 2006-06-08 20:37:29 by jwe] jwe parents: 5823 diff changeset	291 bool
415ae81d331b [project @ 2006-06-08 20:37:29 by jwe] jwe parents: 5823 diff changeset	292 octave_user_function::takes_var_return (void) const
2974 ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	293 {
5848 415ae81d331b [project @ 2006-06-08 20:37:29 by jwe] jwe parents: 5823 diff changeset	294 return (ret_list && ret_list->takes_varargs ());
2974 ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	295 }
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	296
7761 5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7752 diff changeset	297 void
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7752 diff changeset	298 octave_user_function::lock_subfunctions (void)
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7752 diff changeset	299 {
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7752 diff changeset	300 symbol_table::lock_subfunctions (local_scope);
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7752 diff changeset	301 }
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7752 diff changeset	302
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7752 diff changeset	303 void
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7752 diff changeset	304 octave_user_function::unlock_subfunctions (void)
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7752 diff changeset	305 {
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7752 diff changeset	306 symbol_table::unlock_subfunctions (local_scope);
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7752 diff changeset	307 }
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7752 diff changeset	308
2974 ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	309 octave_value_list
9522 e79470be3ecb implement subsasgn this-arg optimization Jaroslav Hajek <highegg@gmail.com> parents: 9396 diff changeset	310 octave_user_function::all_va_args (const octave_value_list& args)
2974 ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	311 {
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	312 octave_value_list retval;
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	313
9522 e79470be3ecb implement subsasgn this-arg optimization Jaroslav Hajek <highegg@gmail.com> parents: 9396 diff changeset	314 octave_idx_type n = args.length () - num_named_args;
2974 ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	315
3178 09a3064a3a17 [project @ 1998-06-23 03:46:42 by jwe] jwe parents: 3165 diff changeset	316 if (n > 0)
9522 e79470be3ecb implement subsasgn this-arg optimization Jaroslav Hajek <highegg@gmail.com> parents: 9396 diff changeset	317 retval = args.slice (num_named_args, n);
2974 ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	318
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	319 return retval;
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	320 }
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	321
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	322 octave_value_list
4247 fc9a075d10fb [project @ 2002-12-30 23:05:27 by jwe] jwe parents: 4245 diff changeset	323 octave_user_function::subsref (const std::string& type,
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	324 const std::list<octave_value_list>& idx,
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	325 int nargout)
3933 f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe] jwe parents: 3876 diff changeset	326 {
10832 1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	327 return octave_user_function::subsref (type, idx, nargout, 0);
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	328 }
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	329
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	330 octave_value_list
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	331 octave_user_function::subsref (const std::string& type,
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	332 const std::list<octave_value_list>& idx,
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	333 int nargout, const std::list<octave_lvalue>* lvalue_list)
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	334 {
3933 f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe] jwe parents: 3876 diff changeset	335 octave_value_list retval;
f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe] jwe parents: 3876 diff changeset	336
f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe] jwe parents: 3876 diff changeset	337 switch (type[0])
f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe] jwe parents: 3876 diff changeset	338 {
f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe] jwe parents: 3876 diff changeset	339 case '(':
5154 9cb38bfb04ea [project @ 2005-02-21 21:23:28 by jwe] jwe parents: 5105 diff changeset	340 {
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	341 int tmp_nargout = (type.length () > 1 && nargout == 0) ? 1 : nargout;
5154 9cb38bfb04ea [project @ 2005-02-21 21:23:28 by jwe] jwe parents: 5105 diff changeset	342
10832 1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	343 retval = do_multi_index_op (tmp_nargout, idx.front (),
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	344 idx.size () == 1 ? lvalue_list : 0);
5154 9cb38bfb04ea [project @ 2005-02-21 21:23:28 by jwe] jwe parents: 5105 diff changeset	345 }
3933 f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe] jwe parents: 3876 diff changeset	346 break;
f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe] jwe parents: 3876 diff changeset	347
f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe] jwe parents: 3876 diff changeset	348 case '{':
f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe] jwe parents: 3876 diff changeset	349 case '.':
f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe] jwe parents: 3876 diff changeset	350 {
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	351 std::string nm = type_name ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	352 error ("%s cannot be indexed with %c", nm.c_str (), type[0]);
3933 f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe] jwe parents: 3876 diff changeset	353 }
f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe] jwe parents: 3876 diff changeset	354 break;
f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe] jwe parents: 3876 diff changeset	355
f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe] jwe parents: 3876 diff changeset	356 default:
f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe] jwe parents: 3876 diff changeset	357 panic_impossible ();
f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe] jwe parents: 3876 diff changeset	358 }
f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe] jwe parents: 3876 diff changeset	359
5775 ace8d8d26933 [project @ 2006-04-24 19:13:06 by jwe] jwe parents: 5744 diff changeset	360 // FIXME -- perhaps there should be an
4059 db58c1a1e6ce [project @ 2002-09-18 07:21:12 by jwe] jwe parents: 3975 diff changeset	361 // octave_value_list::next_subsref member function? See also
db58c1a1e6ce [project @ 2002-09-18 07:21:12 by jwe] jwe parents: 3975 diff changeset	362 // octave_builtin::subsref.
3933 f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe] jwe parents: 3876 diff changeset	363
4219 23d06c9e1edd [project @ 2002-12-06 21:29:17 by jwe] jwe parents: 4207 diff changeset	364 if (idx.size () > 1)
4994 48d0defe9445 [project @ 2004-09-15 20:31:31 by jwe] jwe parents: 4987 diff changeset	365 retval = retval(0).next_subsref (nargout, type, idx);
4059 db58c1a1e6ce [project @ 2002-09-18 07:21:12 by jwe] jwe parents: 3975 diff changeset	366
db58c1a1e6ce [project @ 2002-09-18 07:21:12 by jwe] jwe parents: 3975 diff changeset	367 return retval;
3933 f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe] jwe parents: 3876 diff changeset	368 }
f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe] jwe parents: 3876 diff changeset	369
f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe] jwe parents: 3876 diff changeset	370 octave_value_list
3544 71bd2d124119 [project @ 2000-02-02 21:02:31 by jwe] jwe parents: 3523 diff changeset	371 octave_user_function::do_multi_index_op (int nargout,
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	372 const octave_value_list& args)
2974 ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	373 {
10832 1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	374 return do_multi_index_op (nargout, args, 0);
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	375 }
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	376
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	377 octave_value_list
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	378 octave_user_function::do_multi_index_op (int nargout,
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	379 const octave_value_list& args,
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	380 const std::list<octave_lvalue>* lvalue_list)
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	381 {
2974 ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	382 octave_value_list retval;
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	383
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	384 if (error_state)
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	385 return retval;
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	386
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	387 if (! cmd_list)
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	388 return retval;
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	389
15337 3f43e9d6d86e JIT compile anonymous functions Max Brister <max@2bass.com> parents: 15236 diff changeset	390 #ifdef HAVE_LLVM
15582 52df2e7baabe Disable JIT when breakpoints are present Max Brister <max@2bass.com> parents: 15427 diff changeset	391 if (is_special_expr ()
15337 3f43e9d6d86e JIT compile anonymous functions Max Brister <max@2bass.com> parents: 15236 diff changeset	392 && tree_jit::execute (*this, args, retval))
3f43e9d6d86e JIT compile anonymous functions Max Brister <max@2bass.com> parents: 15236 diff changeset	393 return retval;
3f43e9d6d86e JIT compile anonymous functions Max Brister <max@2bass.com> parents: 15236 diff changeset	394 #endif
3f43e9d6d86e JIT compile anonymous functions Max Brister <max@2bass.com> parents: 15236 diff changeset	395
2974 ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	396 int nargin = args.length ();
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	397
10066 2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 10001 diff changeset	398 unwind_protect frame;
2974 ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	399
10066 2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 10001 diff changeset	400 frame.protect_var (call_depth);
2974 ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	401 call_depth++;
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	402
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7736 diff changeset	403 if (call_depth >= Vmax_recursion_depth)
3131 9c5160c83bd2 [project @ 1998-01-29 04:46:33 by jwe] jwe parents: 3014 diff changeset	404 {
10578 cb0883127251 limit on recursion via calls to source function John W. Eaton <jwe@octave.org> parents: 10315 diff changeset	405 ::error ("max_recursion_depth exceeded");
3131 9c5160c83bd2 [project @ 1998-01-29 04:46:33 by jwe] jwe parents: 3014 diff changeset	406 return retval;
9c5160c83bd2 [project @ 1998-01-29 04:46:33 by jwe] jwe parents: 3014 diff changeset	407 }
9c5160c83bd2 [project @ 1998-01-29 04:46:33 by jwe] jwe parents: 3014 diff changeset	408
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	409 // Save old and set current symbol table context, for
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	410 // eval_undefined_error().
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	411
14544 be18c9e359bf Nested function support (bug #35772) Max Brister <max@2bass.com> parents: 14366 diff changeset	412 int context = active_context ();
14328 19078011cdc3 fix problem with recursion and anonymous functions (bug #31371) John W. Eaton <jwe@octave.org> parents: 14139 diff changeset	413
19078011cdc3 fix problem with recursion and anonymous functions (bug #31371) John W. Eaton <jwe@octave.org> parents: 14139 diff changeset	414 octave_call_stack::push (this, local_scope, context);
10066 2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 10001 diff changeset	415 frame.add_fcn (octave_call_stack::pop);
7901 3e4c9b69069d call stack changes John W. Eaton <jwe@octave.org> parents: 7761 diff changeset	416
14328 19078011cdc3 fix problem with recursion and anonymous functions (bug #31371) John W. Eaton <jwe@octave.org> parents: 14139 diff changeset	417 if (call_depth > 0 && ! is_anonymous_function ())
2974 ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	418 {
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	419 symbol_table::push_context ();
2974 ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	420
10066 2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 10001 diff changeset	421 frame.add_fcn (symbol_table::pop_context);
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	422 }
2974 ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	423
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	424 string_vector arg_names = args.name_tags ();
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	425
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	426 if (param_list && ! param_list->varargs_only ())
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	427 {
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	428 param_list->define_from_arg_vector (args);
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	429 if (error_state)
10066 2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 10001 diff changeset	430 return retval;
2974 ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	431 }
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	432
3239 d54ef0aa6e82 [project @ 1999-03-27 17:40:45 by jwe] jwe parents: 3219 diff changeset	433 // Force parameter list to be undefined when this function exits.
d54ef0aa6e82 [project @ 1999-03-27 17:40:45 by jwe] jwe parents: 3219 diff changeset	434 // Doing so decrements the reference counts on the values of local
d54ef0aa6e82 [project @ 1999-03-27 17:40:45 by jwe] jwe parents: 3219 diff changeset	435 // variables that are also named function parameters.
d54ef0aa6e82 [project @ 1999-03-27 17:40:45 by jwe] jwe parents: 3219 diff changeset	436
9396 17af7cce7d1b yet more unwind_protect improvements Jaroslav Hajek <highegg@gmail.com> parents: 9377 diff changeset	437 if (param_list)
10066 2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 10001 diff changeset	438 frame.add_method (param_list, &tree_parameter_list::undefine);
3239 d54ef0aa6e82 [project @ 1999-03-27 17:40:45 by jwe] jwe parents: 3219 diff changeset	439
d54ef0aa6e82 [project @ 1999-03-27 17:40:45 by jwe] jwe parents: 3219 diff changeset	440 // Force return list to be undefined when this function exits.
d54ef0aa6e82 [project @ 1999-03-27 17:40:45 by jwe] jwe parents: 3219 diff changeset	441 // Doing so decrements the reference counts on the values of local
d54ef0aa6e82 [project @ 1999-03-27 17:40:45 by jwe] jwe parents: 3219 diff changeset	442 // variables that are also named values returned by this function.
d54ef0aa6e82 [project @ 1999-03-27 17:40:45 by jwe] jwe parents: 3219 diff changeset	443
9396 17af7cce7d1b yet more unwind_protect improvements Jaroslav Hajek <highegg@gmail.com> parents: 9377 diff changeset	444 if (ret_list)
10066 2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 10001 diff changeset	445 frame.add_method (ret_list, &tree_parameter_list::undefine);
3239 d54ef0aa6e82 [project @ 1999-03-27 17:40:45 by jwe] jwe parents: 3219 diff changeset	446
8142 54b41376e381 ov-usr-fcn.cc (octave_user_function::do_multi_index_op): add symbol_table::clear_variables cleanup function to the unwind_protect stack after the parameter list cleanup functions John W. Eaton <jwe@octave.org> parents: 8013 diff changeset	447 if (call_depth == 0)
54b41376e381 ov-usr-fcn.cc (octave_user_function::do_multi_index_op): add symbol_table::clear_variables cleanup function to the unwind_protect stack after the parameter list cleanup functions John W. Eaton <jwe@octave.org> parents: 8013 diff changeset	448 {
54b41376e381 ov-usr-fcn.cc (octave_user_function::do_multi_index_op): add symbol_table::clear_variables cleanup function to the unwind_protect stack after the parameter list cleanup functions John W. Eaton <jwe@octave.org> parents: 8013 diff changeset	449 // Force symbols to be undefined again when this function
54b41376e381 ov-usr-fcn.cc (octave_user_function::do_multi_index_op): add symbol_table::clear_variables cleanup function to the unwind_protect stack after the parameter list cleanup functions John W. Eaton <jwe@octave.org> parents: 8013 diff changeset	450 // exits.
54b41376e381 ov-usr-fcn.cc (octave_user_function::do_multi_index_op): add symbol_table::clear_variables cleanup function to the unwind_protect stack after the parameter list cleanup functions John W. Eaton <jwe@octave.org> parents: 8013 diff changeset	451 //
54b41376e381 ov-usr-fcn.cc (octave_user_function::do_multi_index_op): add symbol_table::clear_variables cleanup function to the unwind_protect stack after the parameter list cleanup functions John W. Eaton <jwe@octave.org> parents: 8013 diff changeset	452 // This cleanup function is added to the unwind_protect stack
54b41376e381 ov-usr-fcn.cc (octave_user_function::do_multi_index_op): add symbol_table::clear_variables cleanup function to the unwind_protect stack after the parameter list cleanup functions John W. Eaton <jwe@octave.org> parents: 8013 diff changeset	453 // after the calls to clear the parameter lists so that local
54b41376e381 ov-usr-fcn.cc (octave_user_function::do_multi_index_op): add symbol_table::clear_variables cleanup function to the unwind_protect stack after the parameter list cleanup functions John W. Eaton <jwe@octave.org> parents: 8013 diff changeset	454 // variables will be cleared before the parameter lists are
54b41376e381 ov-usr-fcn.cc (octave_user_function::do_multi_index_op): add symbol_table::clear_variables cleanup function to the unwind_protect stack after the parameter list cleanup functions John W. Eaton <jwe@octave.org> parents: 8013 diff changeset	455 // cleared. That way, any function parameters that have been
54b41376e381 ov-usr-fcn.cc (octave_user_function::do_multi_index_op): add symbol_table::clear_variables cleanup function to the unwind_protect stack after the parameter list cleanup functions John W. Eaton <jwe@octave.org> parents: 8013 diff changeset	456 // declared global will be unmarked as global before they are
54b41376e381 ov-usr-fcn.cc (octave_user_function::do_multi_index_op): add symbol_table::clear_variables cleanup function to the unwind_protect stack after the parameter list cleanup functions John W. Eaton <jwe@octave.org> parents: 8013 diff changeset	457 // undefined by the clear_param_list cleanup function.
54b41376e381 ov-usr-fcn.cc (octave_user_function::do_multi_index_op): add symbol_table::clear_variables cleanup function to the unwind_protect stack after the parameter list cleanup functions John W. Eaton <jwe@octave.org> parents: 8013 diff changeset	458
10066 2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 10001 diff changeset	459 frame.add_fcn (symbol_table::clear_variables);
8142 54b41376e381 ov-usr-fcn.cc (octave_user_function::do_multi_index_op): add symbol_table::clear_variables cleanup function to the unwind_protect stack after the parameter list cleanup functions John W. Eaton <jwe@octave.org> parents: 8013 diff changeset	460 }
54b41376e381 ov-usr-fcn.cc (octave_user_function::do_multi_index_op): add symbol_table::clear_variables cleanup function to the unwind_protect stack after the parameter list cleanup functions John W. Eaton <jwe@octave.org> parents: 8013 diff changeset	461
10832 1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	462 bind_automatic_vars (arg_names, nargin, nargout, all_va_args (args),
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	463 lvalue_list);
2974 ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	464
15427 6823ad7a25b1 implement local option for warnings John W. Eaton <jwe@octave.org> parents: 15337 diff changeset	465 frame.add_method (this, &octave_user_function::restore_warning_states);
6823ad7a25b1 implement local option for warnings John W. Eaton <jwe@octave.org> parents: 15337 diff changeset	466
10066 2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 10001 diff changeset	467 bool echo_commands = (Vecho_executing_commands & ECHO_FUNCTIONS);
2974 ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	468
10066 2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 10001 diff changeset	469 if (echo_commands)
2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 10001 diff changeset	470 print_code_function_header ();
2974 ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	471
10637 9cd5aa83fa62 implement 'local' parameter to pseudo-variables Jaroslav Hajek <highegg@gmail.com> parents: 10578 diff changeset	472 // Set pointer to the current unwind_protect frame to allow
9cd5aa83fa62 implement 'local' parameter to pseudo-variables Jaroslav Hajek <highegg@gmail.com> parents: 10578 diff changeset	473 // certain builtins register simple cleanup in a very optimized manner.
9cd5aa83fa62 implement 'local' parameter to pseudo-variables Jaroslav Hajek <highegg@gmail.com> parents: 10578 diff changeset	474 // This is not intended as a general-purpose on-cleanup mechanism,
9cd5aa83fa62 implement 'local' parameter to pseudo-variables Jaroslav Hajek <highegg@gmail.com> parents: 10578 diff changeset	475 frame.protect_var (curr_unwind_protect_frame);
9cd5aa83fa62 implement 'local' parameter to pseudo-variables Jaroslav Hajek <highegg@gmail.com> parents: 10578 diff changeset	476 curr_unwind_protect_frame = &frame;
9cd5aa83fa62 implement 'local' parameter to pseudo-variables Jaroslav Hajek <highegg@gmail.com> parents: 10578 diff changeset	477
10066 2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 10001 diff changeset	478 // Evaluate the commands that make up the function.
2974 ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	479
11304 c9fefa096ce2 echo commands in scripts John W. Eaton <jwe@octave.org> parents: 10848 diff changeset	480 frame.protect_var (tree_evaluator::statement_context);
c9fefa096ce2 echo commands in scripts John W. Eaton <jwe@octave.org> parents: 10848 diff changeset	481 tree_evaluator::statement_context = tree_evaluator::function;
3489 cbee5fbb696d [project @ 2000-01-28 09:14:32 by jwe] jwe parents: 3445 diff changeset	482
12960 43d78e103984 Use macro to start profiler blocks. Daniel Kraft <d@domob.eu> parents: 12920 diff changeset	483 BEGIN_PROFILER_BLOCK (profiler_name ())
6657 86354a8cd6a7 [project @ 2007-05-23 04:35:04 by jwe] jwe parents: 6591 diff changeset	484
15337 3f43e9d6d86e JIT compile anonymous functions Max Brister <max@2bass.com> parents: 15236 diff changeset	485 if (is_special_expr ())
12960 43d78e103984 Use macro to start profiler blocks. Daniel Kraft <d@domob.eu> parents: 12920 diff changeset	486 {
15337 3f43e9d6d86e JIT compile anonymous functions Max Brister <max@2bass.com> parents: 15236 diff changeset	487 tree_expression *expr = special_expr ();
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: 8580 diff changeset	488
15337 3f43e9d6d86e JIT compile anonymous functions Max Brister <max@2bass.com> parents: 15236 diff changeset	489 if (expr)
16091 1785493171ac pass lvalue_list to more subsref calls (bug #38374) John W. Eaton <jwe@octave.org> parents: 15582 diff changeset	490 retval = (lvalue_list
1785493171ac pass lvalue_list to more subsref calls (bug #38374) John W. Eaton <jwe@octave.org> parents: 15582 diff changeset	491 ? expr->rvalue (nargout, lvalue_list)
1785493171ac pass lvalue_list to more subsref calls (bug #38374) John W. Eaton <jwe@octave.org> parents: 15582 diff changeset	492 : expr->rvalue (nargout));
12960 43d78e103984 Use macro to start profiler blocks. Daniel Kraft <d@domob.eu> parents: 12920 diff changeset	493 }
43d78e103984 Use macro to start profiler blocks. Daniel Kraft <d@domob.eu> parents: 12920 diff changeset	494 else
43d78e103984 Use macro to start profiler blocks. Daniel Kraft <d@domob.eu> parents: 12920 diff changeset	495 cmd_list->accept (*current_evaluator);
43d78e103984 Use macro to start profiler blocks. Daniel Kraft <d@domob.eu> parents: 12920 diff changeset	496
43d78e103984 Use macro to start profiler blocks. Daniel Kraft <d@domob.eu> parents: 12920 diff changeset	497 END_PROFILER_BLOCK
2974 ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	498
10066 2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 10001 diff changeset	499 if (echo_commands)
2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 10001 diff changeset	500 print_code_function_trailer ();
2974 ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	501
10066 2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 10001 diff changeset	502 if (tree_return_command::returning)
2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 10001 diff changeset	503 tree_return_command::returning = 0;
2974 ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	504
10066 2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 10001 diff changeset	505 if (tree_break_command::breaking)
2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 10001 diff changeset	506 tree_break_command::breaking--;
2974 ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	507
10066 2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 10001 diff changeset	508 if (error_state)
2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 10001 diff changeset	509 {
2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 10001 diff changeset	510 octave_call_stack::backtrace_error_message ();
2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 10001 diff changeset	511 return retval;
2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 10001 diff changeset	512 }
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11558 diff changeset	513
10066 2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 10001 diff changeset	514 // Copy return values out.
2974 ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	515
15337 3f43e9d6d86e JIT compile anonymous functions Max Brister <max@2bass.com> parents: 15236 diff changeset	516 if (ret_list && ! is_special_expr ())
10066 2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 10001 diff changeset	517 {
2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 10001 diff changeset	518 ret_list->initialize_undefined_elements (my_name, nargout, Matrix ());
5848 415ae81d331b [project @ 2006-06-08 20:37:29 by jwe] jwe parents: 5823 diff changeset	519
10066 2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 10001 diff changeset	520 Cell varargout;
6591 fc0218995ee7 [project @ 2007-04-27 02:17:34 by jwe] jwe parents: 6505 diff changeset	521
10066 2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 10001 diff changeset	522 if (ret_list->takes_varargs ())
2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 10001 diff changeset	523 {
2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 10001 diff changeset	524 octave_value varargout_varval = symbol_table::varval ("varargout");
5848 415ae81d331b [project @ 2006-06-08 20:37:29 by jwe] jwe parents: 5823 diff changeset	525
10066 2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 10001 diff changeset	526 if (varargout_varval.is_defined ())
2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 10001 diff changeset	527 {
2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 10001 diff changeset	528 varargout = varargout_varval.cell_value ();
5848 415ae81d331b [project @ 2006-06-08 20:37:29 by jwe] jwe parents: 5823 diff changeset	529
10066 2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 10001 diff changeset	530 if (error_state)
2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 10001 diff changeset	531 error ("expecting varargout to be a cell array object");
2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 10001 diff changeset	532 }
2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 10001 diff changeset	533 }
2974 ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	534
10066 2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 10001 diff changeset	535 if (! error_state)
2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 10001 diff changeset	536 retval = ret_list->convert_to_const_vector (nargout, varargout);
2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 10001 diff changeset	537 }
2974 ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	538
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	539 return retval;
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	540 }
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	541
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	542 void
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	543 octave_user_function::accept (tree_walker& tw)
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	544 {
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	545 tw.visit_octave_user_function (*this);
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	546 }
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	547
15337 3f43e9d6d86e JIT compile anonymous functions Max Brister <max@2bass.com> parents: 15236 diff changeset	548 tree_expression *
3f43e9d6d86e JIT compile anonymous functions Max Brister <max@2bass.com> parents: 15236 diff changeset	549 octave_user_function::special_expr (void)
3f43e9d6d86e JIT compile anonymous functions Max Brister <max@2bass.com> parents: 15236 diff changeset	550 {
3f43e9d6d86e JIT compile anonymous functions Max Brister <max@2bass.com> parents: 15236 diff changeset	551 assert (is_special_expr ());
3f43e9d6d86e JIT compile anonymous functions Max Brister <max@2bass.com> parents: 15236 diff changeset	552 assert (cmd_list->length () == 1);
3f43e9d6d86e JIT compile anonymous functions Max Brister <max@2bass.com> parents: 15236 diff changeset	553
3f43e9d6d86e JIT compile anonymous functions Max Brister <max@2bass.com> parents: 15236 diff changeset	554 tree_statement *stmt = cmd_list->front ();
3f43e9d6d86e JIT compile anonymous functions Max Brister <max@2bass.com> parents: 15236 diff changeset	555 return stmt->expression ();
3f43e9d6d86e JIT compile anonymous functions Max Brister <max@2bass.com> parents: 15236 diff changeset	556 }
3f43e9d6d86e JIT compile anonymous functions Max Brister <max@2bass.com> parents: 15236 diff changeset	557
9522 e79470be3ecb implement subsasgn this-arg optimization Jaroslav Hajek <highegg@gmail.com> parents: 9396 diff changeset	558 bool
e79470be3ecb implement subsasgn this-arg optimization Jaroslav Hajek <highegg@gmail.com> parents: 9396 diff changeset	559 octave_user_function::subsasgn_optimization_ok (void)
e79470be3ecb implement subsasgn this-arg optimization Jaroslav Hajek <highegg@gmail.com> parents: 9396 diff changeset	560 {
e79470be3ecb implement subsasgn this-arg optimization Jaroslav Hajek <highegg@gmail.com> parents: 9396 diff changeset	561 bool retval = false;
e79470be3ecb implement subsasgn this-arg optimization Jaroslav Hajek <highegg@gmail.com> parents: 9396 diff changeset	562 if (Voptimize_subsasgn_calls
e79470be3ecb implement subsasgn this-arg optimization Jaroslav Hajek <highegg@gmail.com> parents: 9396 diff changeset	563 && param_list->length () > 0 && ! param_list->varargs_only ()
e79470be3ecb implement subsasgn this-arg optimization Jaroslav Hajek <highegg@gmail.com> parents: 9396 diff changeset	564 && ret_list->length () == 1 && ! ret_list->takes_varargs ())
e79470be3ecb implement subsasgn this-arg optimization Jaroslav Hajek <highegg@gmail.com> parents: 9396 diff changeset	565 {
e79470be3ecb implement subsasgn this-arg optimization Jaroslav Hajek <highegg@gmail.com> parents: 9396 diff changeset	566 tree_identifier *par1 = param_list->front ()->ident ();
e79470be3ecb implement subsasgn this-arg optimization Jaroslav Hajek <highegg@gmail.com> parents: 9396 diff changeset	567 tree_identifier *ret1 = ret_list->front ()->ident ();
e79470be3ecb implement subsasgn this-arg optimization Jaroslav Hajek <highegg@gmail.com> parents: 9396 diff changeset	568 retval = par1->name () == ret1->name ();
e79470be3ecb implement subsasgn this-arg optimization Jaroslav Hajek <highegg@gmail.com> parents: 9396 diff changeset	569 }
e79470be3ecb implement subsasgn this-arg optimization Jaroslav Hajek <highegg@gmail.com> parents: 9396 diff changeset	570
e79470be3ecb implement subsasgn this-arg optimization Jaroslav Hajek <highegg@gmail.com> parents: 9396 diff changeset	571 return retval;
e79470be3ecb implement subsasgn this-arg optimization Jaroslav Hajek <highegg@gmail.com> parents: 9396 diff changeset	572 }
e79470be3ecb implement subsasgn this-arg optimization Jaroslav Hajek <highegg@gmail.com> parents: 9396 diff changeset	573
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	574 #if 0
2974 ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	575 void
3933 f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe] jwe parents: 3876 diff changeset	576 octave_user_function::print_symtab_info (std::ostream& os) const
f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe] jwe parents: 3876 diff changeset	577 {
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	578 symbol_table::print_info (os, local_scope);
3933 f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe] jwe parents: 3876 diff changeset	579 }
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	580 #endif
3933 f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe] jwe parents: 3876 diff changeset	581
f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe] jwe parents: 3876 diff changeset	582 void
2974 ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	583 octave_user_function::print_code_function_header (void)
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	584 {
5794 1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5775 diff changeset	585 tree_print_code tpc (octave_stdout, VPS4);
2974 ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	586
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	587 tpc.visit_octave_user_function_header (*this);
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	588 }
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	589
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	590 void
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	591 octave_user_function::print_code_function_trailer (void)
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	592 {
5794 1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5775 diff changeset	593 tree_print_code tpc (octave_stdout, VPS4);
2974 ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	594
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	595 tpc.visit_octave_user_function_trailer (*this);
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	596 }
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	597
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	598 void
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	599 octave_user_function::bind_automatic_vars
3974 e2290bf911f0 [project @ 2002-07-04 17:38:22 by jwe] jwe parents: 3933 diff changeset	600 (const string_vector& arg_names, int nargin, int nargout,
10832 1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	601 const octave_value_list& va_args, const std::list<octave_lvalue> *lvalue_list)
2974 ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	602 {
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	603 if (! arg_names.empty ())
11557 e9d72a3caa46 mark automatic variables as automatic John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	604 {
11558 1e4dfc7a9487 use .argn. to store argument names for inputname function John W. Eaton <jwe@octave.org> parents: 11557 diff changeset	605 // It is better to save this in the hidden variable .argn. and
1e4dfc7a9487 use .argn. to store argument names for inputname function John W. Eaton <jwe@octave.org> parents: 11557 diff changeset	606 // then use that in the inputname function instead of using argn,
1e4dfc7a9487 use .argn. to store argument names for inputname function John W. Eaton <jwe@octave.org> parents: 11557 diff changeset	607 // which might be redefined in a function. Keep the old argn name
1e4dfc7a9487 use .argn. to store argument names for inputname function John W. Eaton <jwe@octave.org> parents: 11557 diff changeset	608 // for backward compatibility of functions that use it directly.
1e4dfc7a9487 use .argn. to store argument names for inputname function John W. Eaton <jwe@octave.org> parents: 11557 diff changeset	609
16442 302157614308 deprecate symbol_table::varref functions John W. Eaton <jwe@octave.org> parents: 16091 diff changeset	610 symbol_table::force_assign ("argn", arg_names);
302157614308 deprecate symbol_table::varref functions John W. Eaton <jwe@octave.org> parents: 16091 diff changeset	611 symbol_table::force_assign (".argn.", Cell (arg_names));
11558 1e4dfc7a9487 use .argn. to store argument names for inputname function John W. Eaton <jwe@octave.org> parents: 11557 diff changeset	612
1e4dfc7a9487 use .argn. to store argument names for inputname function John W. Eaton <jwe@octave.org> parents: 11557 diff changeset	613 symbol_table::mark_hidden (".argn.");
11557 e9d72a3caa46 mark automatic variables as automatic John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	614
e9d72a3caa46 mark automatic variables as automatic John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	615 symbol_table::mark_automatic ("argn");
11558 1e4dfc7a9487 use .argn. to store argument names for inputname function John W. Eaton <jwe@octave.org> parents: 11557 diff changeset	616 symbol_table::mark_automatic (".argn.");
11557 e9d72a3caa46 mark automatic variables as automatic John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	617 }
2974 ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	618
16442 302157614308 deprecate symbol_table::varref functions John W. Eaton <jwe@octave.org> parents: 16091 diff changeset	619 symbol_table::force_assign (".nargin.", nargin);
302157614308 deprecate symbol_table::varref functions John W. Eaton <jwe@octave.org> parents: 16091 diff changeset	620 symbol_table::force_assign (".nargout.", nargout);
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	621
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	622 symbol_table::mark_hidden (".nargin.");
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	623 symbol_table::mark_hidden (".nargout.");
3974 e2290bf911f0 [project @ 2002-07-04 17:38:22 by jwe] jwe parents: 3933 diff changeset	624
11557 e9d72a3caa46 mark automatic variables as automatic John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	625 symbol_table::mark_automatic (".nargin.");
e9d72a3caa46 mark automatic variables as automatic John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	626 symbol_table::mark_automatic (".nargout.");
e9d72a3caa46 mark automatic variables as automatic John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	627
16442 302157614308 deprecate symbol_table::varref functions John W. Eaton <jwe@octave.org> parents: 16091 diff changeset	628 symbol_table::assign (".saved_warning_states.");
15427 6823ad7a25b1 implement local option for warnings John W. Eaton <jwe@octave.org> parents: 15337 diff changeset	629
6823ad7a25b1 implement local option for warnings John W. Eaton <jwe@octave.org> parents: 15337 diff changeset	630 symbol_table::mark_automatic (".saved_warning_states.");
6823ad7a25b1 implement local option for warnings John W. Eaton <jwe@octave.org> parents: 15337 diff changeset	631 symbol_table::mark_automatic (".saved_warning_states.");
6823ad7a25b1 implement local option for warnings John W. Eaton <jwe@octave.org> parents: 15337 diff changeset	632
3974 e2290bf911f0 [project @ 2002-07-04 17:38:22 by jwe] jwe parents: 3933 diff changeset	633 if (takes_varargs ())
16442 302157614308 deprecate symbol_table::varref functions John W. Eaton <jwe@octave.org> parents: 16091 diff changeset	634 symbol_table::assign ("varargin", va_args.cell_value ());
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11558 diff changeset	635
14571 6131fead3135 ensure isargout is not sticky John W. Eaton <jwe@octave.org> parents: 14138 diff changeset	636 // Force .ignored. variable to be undefined by default.
16442 302157614308 deprecate symbol_table::varref functions John W. Eaton <jwe@octave.org> parents: 16091 diff changeset	637 symbol_table::assign (".ignored.");
14571 6131fead3135 ensure isargout is not sticky John W. Eaton <jwe@octave.org> parents: 14138 diff changeset	638
10832 1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	639 if (lvalue_list)
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	640 {
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	641 octave_idx_type nbh = 0;
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	642 for (std::list<octave_lvalue>::const_iterator p = lvalue_list->begin ();
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	643 p != lvalue_list->end (); p++)
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	644 nbh += p->is_black_hole ();
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	645
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	646 if (nbh > 0)
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	647 {
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	648 // Only assign the hidden variable if black holes actually present.
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	649 Matrix bh (1, nbh);
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	650 octave_idx_type k = 0, l = 0;
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	651 for (std::list<octave_lvalue>::const_iterator p = lvalue_list->begin ();
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	652 p != lvalue_list->end (); p++)
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	653 {
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	654 if (p->is_black_hole ())
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	655 bh(l++) = k+1;
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	656 k += p->numel ();
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	657 }
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	658
16442 302157614308 deprecate symbol_table::varref functions John W. Eaton <jwe@octave.org> parents: 16091 diff changeset	659 symbol_table::assign (".ignored.", bh);
10832 1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	660 }
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	661 }
14571 6131fead3135 ensure isargout is not sticky John W. Eaton <jwe@octave.org> parents: 14138 diff changeset	662
6131fead3135 ensure isargout is not sticky John W. Eaton <jwe@octave.org> parents: 14138 diff changeset	663 symbol_table::mark_hidden (".ignored.");
6131fead3135 ensure isargout is not sticky John W. Eaton <jwe@octave.org> parents: 14138 diff changeset	664 symbol_table::mark_automatic (".ignored.");
2974 ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	665 }
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	666
15427 6823ad7a25b1 implement local option for warnings John W. Eaton <jwe@octave.org> parents: 15337 diff changeset	667 void
6823ad7a25b1 implement local option for warnings John W. Eaton <jwe@octave.org> parents: 15337 diff changeset	668 octave_user_function::restore_warning_states (void)
6823ad7a25b1 implement local option for warnings John W. Eaton <jwe@octave.org> parents: 15337 diff changeset	669 {
6823ad7a25b1 implement local option for warnings John W. Eaton <jwe@octave.org> parents: 15337 diff changeset	670 octave_value val = symbol_table::varval (".saved_warning_states.");
6823ad7a25b1 implement local option for warnings John W. Eaton <jwe@octave.org> parents: 15337 diff changeset	671
6823ad7a25b1 implement local option for warnings John W. Eaton <jwe@octave.org> parents: 15337 diff changeset	672 if (val.is_defined ())
6823ad7a25b1 implement local option for warnings John W. Eaton <jwe@octave.org> parents: 15337 diff changeset	673 {
6823ad7a25b1 implement local option for warnings John W. Eaton <jwe@octave.org> parents: 15337 diff changeset	674 octave_map m = val.map_value ();
6823ad7a25b1 implement local option for warnings John W. Eaton <jwe@octave.org> parents: 15337 diff changeset	675
6823ad7a25b1 implement local option for warnings John W. Eaton <jwe@octave.org> parents: 15337 diff changeset	676 if (error_state)
6823ad7a25b1 implement local option for warnings John W. Eaton <jwe@octave.org> parents: 15337 diff changeset	677 panic_impossible ();
6823ad7a25b1 implement local option for warnings John W. Eaton <jwe@octave.org> parents: 15337 diff changeset	678
6823ad7a25b1 implement local option for warnings John W. Eaton <jwe@octave.org> parents: 15337 diff changeset	679 Cell ids = m.contents ("identifier");
6823ad7a25b1 implement local option for warnings John W. Eaton <jwe@octave.org> parents: 15337 diff changeset	680 Cell states = m.contents ("state");
6823ad7a25b1 implement local option for warnings John W. Eaton <jwe@octave.org> parents: 15337 diff changeset	681
6823ad7a25b1 implement local option for warnings John W. Eaton <jwe@octave.org> parents: 15337 diff changeset	682 for (octave_idx_type i = 0; i < m.numel (); i++)
6823ad7a25b1 implement local option for warnings John W. Eaton <jwe@octave.org> parents: 15337 diff changeset	683 Fwarning (ovl (states(i), ids(i)));
6823ad7a25b1 implement local option for warnings John W. Eaton <jwe@octave.org> parents: 15337 diff changeset	684 }
6823ad7a25b1 implement local option for warnings John W. Eaton <jwe@octave.org> parents: 15337 diff changeset	685 }
6823ad7a25b1 implement local option for warnings John W. Eaton <jwe@octave.org> parents: 15337 diff changeset	686
4700 ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	687 DEFUN (nargin, args, ,
ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	688 "-- texinfo --\n\
10840 89f4d7e294cc Grammarcheck .cc files Rik <octave@nomad.inbox5.com> parents: 10832 diff changeset	689 @deftypefn {Built-in Function} {} nargin ()\n\
14136 20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	690 @deftypefnx {Built-in Function} {} nargin (@var{fcn})\n\
4700 ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	691 Within a function, return the number of arguments passed to the function.\n\
ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	692 At the top level, return the number of command line arguments passed to\n\
14136 20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	693 Octave.\n\
20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	694 \n\
20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	695 If called with the optional argument @var{fcn}, a function name or handle,\n\
20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	696 return the declared number of arguments that the function can accept.\n\
20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	697 If the last argument is @var{varargin} the returned value is negative.\n\
20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	698 This feature does not work on builtin functions.\n\
13749 62d1f56b0be7 New nthargout function Jordi Gutiérrez Hermoso <jordigh@octave.org> parents: 13241 diff changeset	699 @seealso{nargout, varargin, isargout, varargout, nthargout}\n\
4700 ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	700 @end deftypefn")
ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	701 {
ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	702 octave_value retval;
ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	703
ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	704 int nargin = args.length ();
ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	705
ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	706 if (nargin == 1)
ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	707 {
14136 20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	708 octave_value func = args(0);
4700 ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	709
14136 20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	710 if (func.is_string ())
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	711 {
14136 20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	712 std::string name = func.string_value ();
20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	713 func = symbol_table::find_function (name);
20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	714 if (func.is_undefined ())
20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	715 error ("nargout: invalid function name: %s", name.c_str ());
20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	716 }
13785 daf81e42960c allow nargin to work for functions that are not already loaded John W. Eaton <jwe@octave.org> parents: 13749 diff changeset	717
14136 20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	718 octave_function *fcn_val = func.function_value ();
20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	719 if (fcn_val)
20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	720 {
20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	721 octave_user_function *fcn = fcn_val->user_function_value (true);
4700 ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	722
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	723 if (fcn)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	724 {
14136 20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	725 tree_parameter_list *param_list = fcn->parameter_list ();
20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	726
20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	727 retval = param_list ? param_list->length () : 0;
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	728 if (fcn->takes_varargs ())
14136 20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	729 retval = -1 - retval;
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	730 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	731 else
13785 daf81e42960c allow nargin to work for functions that are not already loaded John W. Eaton <jwe@octave.org> parents: 13749 diff changeset	732 {
14136 20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	733 // Matlab gives up for histc, so maybe it's ok we give up somtimes too.
20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	734 error ("nargin: nargin information not available for builtin functions");
13785 daf81e42960c allow nargin to work for functions that are not already loaded John W. Eaton <jwe@octave.org> parents: 13749 diff changeset	735 }
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	736 }
4700 ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	737 else
14136 20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	738 error ("nargin: FCN must be a string or function handle");
4700 ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	739 }
ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	740 else if (nargin == 0)
ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	741 {
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	742 retval = symbol_table::varval (".nargin.");
4700 ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	743
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	744 if (retval.is_undefined ())
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	745 retval = 0;
4700 ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	746 }
ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	747 else
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5794 diff changeset	748 print_usage ();
4700 ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	749
ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	750 return retval;
ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	751 }
ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	752
ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	753 DEFUN (nargout, args, ,
ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	754 "-- texinfo --\n\
10840 89f4d7e294cc Grammarcheck .cc files Rik <octave@nomad.inbox5.com> parents: 10832 diff changeset	755 @deftypefn {Built-in Function} {} nargout ()\n\
14136 20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	756 @deftypefnx {Built-in Function} {} nargout (@var{fcn})\n\
4700 ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	757 Within a function, return the number of values the caller expects to\n\
14136 20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	758 receive. If called with the optional argument @var{fcn}, a function\n\
20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	759 name or handle, return the number of declared output values that the\n\
14366 b76f0740940e doc: Periodic grammar check of documentation. Rik <octave@nomad.inbox5.com> parents: 14328 diff changeset	760 function can produce. If the final output argument is @var{varargout}\n\
14136 20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	761 the returned value is negative.\n\
4700 ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	762 \n\
ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	763 For example,\n\
ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	764 \n\
ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	765 @example\n\
ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	766 f ()\n\
ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	767 @end example\n\
ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	768 \n\
ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	769 @noindent\n\
4704 e1b71baef20c [project @ 2004-01-22 04:03:21 by jwe] jwe parents: 4700 diff changeset	770 will cause @code{nargout} to return 0 inside the function @code{f} and\n\
4700 ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	771 \n\
ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	772 @example\n\
ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	773 [s, t] = f ()\n\
ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	774 @end example\n\
ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	775 \n\
ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	776 @noindent\n\
ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	777 will cause @code{nargout} to return 2 inside the function\n\
ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	778 @code{f}.\n\
ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	779 \n\
14136 20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	780 In the second usage,\n\
20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	781 \n\
20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	782 @example\n\
20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	783 nargout (@@histc) \% or nargout ('histc')\n\
20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	784 @end example\n\
20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	785 \n\
14366 b76f0740940e doc: Periodic grammar check of documentation. Rik <octave@nomad.inbox5.com> parents: 14328 diff changeset	786 @noindent\n\
14136 20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	787 will return 2, because @code{histc} has two outputs, whereas\n\
20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	788 \n\
20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	789 @example\n\
20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	790 nargout (@@deal)\n\
20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	791 @end example\n\
20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	792 \n\
14366 b76f0740940e doc: Periodic grammar check of documentation. Rik <octave@nomad.inbox5.com> parents: 14328 diff changeset	793 @noindent\n\
14136 20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	794 will return -1, because @code{deal} has a variable number of outputs.\n\
20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	795 \n\
20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	796 At the top level, @code{nargout} with no argument is undefined.\n\
20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	797 @code{nargout} does not work on builtin functions.\n\
20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	798 @code{nargout} returns -1 for all anonymous functions.\n\
13749 62d1f56b0be7 New nthargout function Jordi Gutiérrez Hermoso <jordigh@octave.org> parents: 13241 diff changeset	799 @seealso{nargin, varargin, isargout, varargout, nthargout}\n\
4700 ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	800 @end deftypefn")
ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	801 {
ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	802 octave_value retval;
ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	803
ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	804 int nargin = args.length ();
ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	805
ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	806 if (nargin == 1)
ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	807 {
14136 20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	808 octave_value func = args(0);
4700 ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	809
14136 20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	810 if (func.is_string ())
20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	811 {
20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	812 std::string name = func.string_value ();
20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	813 func = symbol_table::find_function (name);
20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	814 if (func.is_undefined ())
20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	815 error ("nargout: invalid function name: %s", name.c_str ());
20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	816 }
20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	817
20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	818 if (func.is_inline_function ())
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	819 {
14136 20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	820 retval = 1;
20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	821 return retval;
20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	822 }
20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	823
20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	824 if (func.is_function_handle ())
20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	825 {
20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	826 octave_fcn_handle *fh = func.fcn_handle_value ();
20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	827 std::string fh_nm = fh->fcn_name ();
4930 bdb307dc8613 [project @ 2004-08-05 04:55:26 by jwe] jwe parents: 4929 diff changeset	828
14136 20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	829 if (fh_nm == octave_fcn_handle::anonymous)
20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	830 {
20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	831 retval = -1;
20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	832 return retval;
20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	833 }
20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	834 }
20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	835
20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	836 octave_function *fcn_val = func.function_value ();
20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	837 if (fcn_val)
20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	838 {
20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	839 octave_user_function *fcn = fcn_val->user_function_value (true);
4700 ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	840
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	841 if (fcn)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	842 {
14136 20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	843 tree_parameter_list *ret_list = fcn->return_list ();
20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	844
20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	845 retval = ret_list ? ret_list->length () : 0;
20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	846
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	847 if (fcn->takes_var_return ())
14136 20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	848 retval = -1 - retval;
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	849 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	850 else
14136 20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	851 {
20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	852 // JWE said this information is not available (currently, 2011-03-10)
20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	853 // without making intrusive changes to Octave.
20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	854 // Matlab gives up for histc, so maybe it's ok we give up somtimes too.
20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	855 error ("nargout: nargout information not available for builtin functions.");
20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	856 }
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	857 }
4700 ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	858 else
14136 20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	859 error ("nargout: FCN must be a string or function handle");
4700 ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	860 }
ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	861 else if (nargin == 0)
ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	862 {
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	863 if (! symbol_table::at_top_level ())
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	864 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	865 retval = symbol_table::varval (".nargout.");
4700 ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	866
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	867 if (retval.is_undefined ())
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	868 retval = 0;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	869 }
4700 ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	870 else
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	871 error ("nargout: invalid call at top level");
4700 ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	872 }
ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	873 else
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5794 diff changeset	874 print_usage ();
4700 ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	875
ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	876 return retval;
ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	877 }
ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	878
9522 e79470be3ecb implement subsasgn this-arg optimization Jaroslav Hajek <highegg@gmail.com> parents: 9396 diff changeset	879 DEFUN (optimize_subsasgn_calls, args, nargout,
e79470be3ecb implement subsasgn this-arg optimization Jaroslav Hajek <highegg@gmail.com> parents: 9396 diff changeset	880 "-- texinfo --\n\
10840 89f4d7e294cc Grammarcheck .cc files Rik <octave@nomad.inbox5.com> parents: 10832 diff changeset	881 @deftypefn {Built-in Function} {@var{val} =} optimize_subsasgn_calls ()\n\
89f4d7e294cc Grammarcheck .cc files Rik <octave@nomad.inbox5.com> parents: 10832 diff changeset	882 @deftypefnx {Built-in Function} {@var{old_val} =} optimize_subsasgn_calls (@var{new_val})\n\
13951 79aa00a94e9e doc: Document "local" option for configuration variables. Rik <octave@nomad.inbox5.com> parents: 13785 diff changeset	883 @deftypefnx {Built-in Function} {} optimize_subsasgn_calls (@var{new_val}, \"local\")\n\
9522 e79470be3ecb implement subsasgn this-arg optimization Jaroslav Hajek <highegg@gmail.com> parents: 9396 diff changeset	884 Query or set the internal flag for subsasgn method call optimizations.\n\
e79470be3ecb implement subsasgn this-arg optimization Jaroslav Hajek <highegg@gmail.com> parents: 9396 diff changeset	885 If true, Octave will attempt to eliminate the redundant copying when calling\n\
e79470be3ecb implement subsasgn this-arg optimization Jaroslav Hajek <highegg@gmail.com> parents: 9396 diff changeset	886 subsasgn method of a user-defined class.\n\
13951 79aa00a94e9e doc: Document "local" option for configuration variables. Rik <octave@nomad.inbox5.com> parents: 13785 diff changeset	887 \n\
79aa00a94e9e doc: Document "local" option for configuration variables. Rik <octave@nomad.inbox5.com> parents: 13785 diff changeset	888 When called from inside a function with the \"local\" option, the variable is\n\
79aa00a94e9e doc: Document "local" option for configuration variables. Rik <octave@nomad.inbox5.com> parents: 13785 diff changeset	889 changed locally for the function and any subroutines it calls. The original\n\
79aa00a94e9e doc: Document "local" option for configuration variables. Rik <octave@nomad.inbox5.com> parents: 13785 diff changeset	890 variable value is restored when exiting the function.\n\
9522 e79470be3ecb implement subsasgn this-arg optimization Jaroslav Hajek <highegg@gmail.com> parents: 9396 diff changeset	891 @end deftypefn")
e79470be3ecb implement subsasgn this-arg optimization Jaroslav Hajek <highegg@gmail.com> parents: 9396 diff changeset	892 {
e79470be3ecb implement subsasgn this-arg optimization Jaroslav Hajek <highegg@gmail.com> parents: 9396 diff changeset	893 return SET_INTERNAL_VARIABLE (optimize_subsasgn_calls);
e79470be3ecb implement subsasgn this-arg optimization Jaroslav Hajek <highegg@gmail.com> parents: 9396 diff changeset	894 }
10832 1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	895
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	896 static bool val_in_table (const Matrix& table, double val)
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	897 {
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	898 if (table.is_empty ())
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	899 return false;
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	900
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	901 octave_idx_type i = table.lookup (val, ASCENDING);
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	902 return (i > 0 && table(i-1) == val);
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	903 }
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	904
10847 7fa3c8e43357 change is_ignored_output to isargout Jaroslav Hajek <highegg@gmail.com> parents: 10846 diff changeset	905 static bool isargout1 (int nargout, const Matrix& ignored, double k)
7fa3c8e43357 change is_ignored_output to isargout Jaroslav Hajek <highegg@gmail.com> parents: 10846 diff changeset	906 {
7fa3c8e43357 change is_ignored_output to isargout Jaroslav Hajek <highegg@gmail.com> parents: 10846 diff changeset	907 if (k != xround (k) \|\| k <= 0)
7fa3c8e43357 change is_ignored_output to isargout Jaroslav Hajek <highegg@gmail.com> parents: 10846 diff changeset	908 {
12483 7a5aacf65f81 Rewrite error strings in src/ to use variables named in documentation. Rik <octave@nomad.inbox5.com> parents: 11586 diff changeset	909 error ("isargout: K must be a positive integer");
10847 7fa3c8e43357 change is_ignored_output to isargout Jaroslav Hajek <highegg@gmail.com> parents: 10846 diff changeset	910 return false;
7fa3c8e43357 change is_ignored_output to isargout Jaroslav Hajek <highegg@gmail.com> parents: 10846 diff changeset	911 }
7fa3c8e43357 change is_ignored_output to isargout Jaroslav Hajek <highegg@gmail.com> parents: 10846 diff changeset	912 else
7fa3c8e43357 change is_ignored_output to isargout Jaroslav Hajek <highegg@gmail.com> parents: 10846 diff changeset	913 return (k == 1 \|\| k <= nargout) && ! val_in_table (ignored, k);
7fa3c8e43357 change is_ignored_output to isargout Jaroslav Hajek <highegg@gmail.com> parents: 10846 diff changeset	914 }
7fa3c8e43357 change is_ignored_output to isargout Jaroslav Hajek <highegg@gmail.com> parents: 10846 diff changeset	915
7fa3c8e43357 change is_ignored_output to isargout Jaroslav Hajek <highegg@gmail.com> parents: 10846 diff changeset	916 DEFUN (isargout, args, ,
10832 1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	917 "-- texinfo --\n\
10847 7fa3c8e43357 change is_ignored_output to isargout Jaroslav Hajek <highegg@gmail.com> parents: 10846 diff changeset	918 @deftypefn {Built-in Function} {} isargout (@var{k})\n\
11431 0d9640d755b1 Improve docstrings for all isXXX functions. Rik <octave@nomad.inbox5.com> parents: 11304 diff changeset	919 Within a function, return a logical value indicating whether the argument\n\
0d9640d755b1 Improve docstrings for all isXXX functions. Rik <octave@nomad.inbox5.com> parents: 11304 diff changeset	920 @var{k} will be assigned on output to a variable. If the result is false,\n\
0d9640d755b1 Improve docstrings for all isXXX functions. Rik <octave@nomad.inbox5.com> parents: 11304 diff changeset	921 the argument has been ignored during the function call through the use of\n\
0d9640d755b1 Improve docstrings for all isXXX functions. Rik <octave@nomad.inbox5.com> parents: 11304 diff changeset	922 the tilde (~) special output argument. Functions can use @code{isargout} to\n\
0d9640d755b1 Improve docstrings for all isXXX functions. Rik <octave@nomad.inbox5.com> parents: 11304 diff changeset	923 avoid performing unnecessary calculations for outputs which are unwanted.\n\
0d9640d755b1 Improve docstrings for all isXXX functions. Rik <octave@nomad.inbox5.com> parents: 11304 diff changeset	924 \n\
14861 f7afecdd87ef maint: Use Octave coding conventions for cuddling parentheses in src/ directory Rik <octave@nomad.inbox5.com> parents: 14573 diff changeset	925 If @var{k} is outside the range @code{1:max (nargout)}, the function returns\n\
11431 0d9640d755b1 Improve docstrings for all isXXX functions. Rik <octave@nomad.inbox5.com> parents: 11304 diff changeset	926 false. @var{k} can also be an array, in which case the function works\n\
0d9640d755b1 Improve docstrings for all isXXX functions. Rik <octave@nomad.inbox5.com> parents: 11304 diff changeset	927 element-by-element and a logical array is returned. At the top level,\n\
0d9640d755b1 Improve docstrings for all isXXX functions. Rik <octave@nomad.inbox5.com> parents: 11304 diff changeset	928 @code{isargout} returns an error.\n\
13749 62d1f56b0be7 New nthargout function Jordi Gutiérrez Hermoso <jordigh@octave.org> parents: 13241 diff changeset	929 @seealso{nargout, nargin, varargin, varargout, nthargout}\n\
10832 1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	930 @end deftypefn")
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	931 {
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	932 octave_value retval;
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	933
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	934 int nargin = args.length ();
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	935
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	936 if (nargin == 1)
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	937 {
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	938 if (! symbol_table::at_top_level ())
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	939 {
10847 7fa3c8e43357 change is_ignored_output to isargout Jaroslav Hajek <highegg@gmail.com> parents: 10846 diff changeset	940 int nargout1 = symbol_table::varval (".nargout.").int_value ();
7fa3c8e43357 change is_ignored_output to isargout Jaroslav Hajek <highegg@gmail.com> parents: 10846 diff changeset	941 if (error_state)
7fa3c8e43357 change is_ignored_output to isargout Jaroslav Hajek <highegg@gmail.com> parents: 10846 diff changeset	942 {
7fa3c8e43357 change is_ignored_output to isargout Jaroslav Hajek <highegg@gmail.com> parents: 10846 diff changeset	943 error ("isargout: internal error");
7fa3c8e43357 change is_ignored_output to isargout Jaroslav Hajek <highegg@gmail.com> parents: 10846 diff changeset	944 return retval;
7fa3c8e43357 change is_ignored_output to isargout Jaroslav Hajek <highegg@gmail.com> parents: 10846 diff changeset	945 }
7fa3c8e43357 change is_ignored_output to isargout Jaroslav Hajek <highegg@gmail.com> parents: 10846 diff changeset	946
10832 1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	947 Matrix ignored;
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	948 octave_value tmp = symbol_table::varval (".ignored.");
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	949 if (tmp.is_defined ())
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	950 ignored = tmp.matrix_value ();
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	951
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	952 if (args(0).is_scalar_type ())
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	953 {
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	954 double k = args(0).double_value ();
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	955 if (! error_state)
10847 7fa3c8e43357 change is_ignored_output to isargout Jaroslav Hajek <highegg@gmail.com> parents: 10846 diff changeset	956 retval = isargout1 (nargout1, ignored, k);
10832 1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	957 }
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	958 else if (args(0).is_numeric_type ())
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	959 {
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	960 const NDArray ka = args(0).array_value ();
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	961 if (! error_state)
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	962 {
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	963 boolNDArray r (ka.dims ());
10847 7fa3c8e43357 change is_ignored_output to isargout Jaroslav Hajek <highegg@gmail.com> parents: 10846 diff changeset	964 for (octave_idx_type i = 0; i < ka.numel () && ! error_state; i++)
7fa3c8e43357 change is_ignored_output to isargout Jaroslav Hajek <highegg@gmail.com> parents: 10846 diff changeset	965 r(i) = isargout1 (nargout1, ignored, ka(i));
10832 1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	966
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	967 retval = r;
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	968 }
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	969 }
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	970 else
10847 7fa3c8e43357 change is_ignored_output to isargout Jaroslav Hajek <highegg@gmail.com> parents: 10846 diff changeset	971 gripe_wrong_type_arg ("isargout", args(0));
10832 1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	972 }
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	973 else
10847 7fa3c8e43357 change is_ignored_output to isargout Jaroslav Hajek <highegg@gmail.com> parents: 10846 diff changeset	974 error ("isargout: invalid call at top level");
10832 1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	975 }
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	976 else
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	977 print_usage ();
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	978
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	979 return retval;
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	980 }
14571 6131fead3135 ensure isargout is not sticky John W. Eaton <jwe@octave.org> parents: 14138 diff changeset	981
6131fead3135 ensure isargout is not sticky John W. Eaton <jwe@octave.org> parents: 14138 diff changeset	982 /*
6131fead3135 ensure isargout is not sticky John W. Eaton <jwe@octave.org> parents: 14138 diff changeset	983 %!function [x, y] = try_isargout ()
6131fead3135 ensure isargout is not sticky John W. Eaton <jwe@octave.org> parents: 14138 diff changeset	984 %! if (isargout (1))
6131fead3135 ensure isargout is not sticky John W. Eaton <jwe@octave.org> parents: 14138 diff changeset	985 %! if (isargout (2))
6131fead3135 ensure isargout is not sticky John W. Eaton <jwe@octave.org> parents: 14138 diff changeset	986 %! x = 1; y = 2;
6131fead3135 ensure isargout is not sticky John W. Eaton <jwe@octave.org> parents: 14138 diff changeset	987 %! else
6131fead3135 ensure isargout is not sticky John W. Eaton <jwe@octave.org> parents: 14138 diff changeset	988 %! x = -1;
6131fead3135 ensure isargout is not sticky John W. Eaton <jwe@octave.org> parents: 14138 diff changeset	989 %! endif
6131fead3135 ensure isargout is not sticky John W. Eaton <jwe@octave.org> parents: 14138 diff changeset	990 %! else
6131fead3135 ensure isargout is not sticky John W. Eaton <jwe@octave.org> parents: 14138 diff changeset	991 %! if (isargout (2))
6131fead3135 ensure isargout is not sticky John W. Eaton <jwe@octave.org> parents: 14138 diff changeset	992 %! y = -2;
6131fead3135 ensure isargout is not sticky John W. Eaton <jwe@octave.org> parents: 14138 diff changeset	993 %! else
6131fead3135 ensure isargout is not sticky John W. Eaton <jwe@octave.org> parents: 14138 diff changeset	994 %! error ("no outputs requested");
6131fead3135 ensure isargout is not sticky John W. Eaton <jwe@octave.org> parents: 14138 diff changeset	995 %! endif
6131fead3135 ensure isargout is not sticky John W. Eaton <jwe@octave.org> parents: 14138 diff changeset	996 %! endif
6131fead3135 ensure isargout is not sticky John W. Eaton <jwe@octave.org> parents: 14138 diff changeset	997 %!endfunction
6131fead3135 ensure isargout is not sticky John W. Eaton <jwe@octave.org> parents: 14138 diff changeset	998 %!
6131fead3135 ensure isargout is not sticky John W. Eaton <jwe@octave.org> parents: 14138 diff changeset	999 %!test
6131fead3135 ensure isargout is not sticky John W. Eaton <jwe@octave.org> parents: 14138 diff changeset	1000 %! [x, y] = try_isargout ();
6131fead3135 ensure isargout is not sticky John W. Eaton <jwe@octave.org> parents: 14138 diff changeset	1001 %! assert ([x, y], [1, 2]);
6131fead3135 ensure isargout is not sticky John W. Eaton <jwe@octave.org> parents: 14138 diff changeset	1002 %!
6131fead3135 ensure isargout is not sticky John W. Eaton <jwe@octave.org> parents: 14138 diff changeset	1003 %!test
6131fead3135 ensure isargout is not sticky John W. Eaton <jwe@octave.org> parents: 14138 diff changeset	1004 %! [x, ~] = try_isargout ();
6131fead3135 ensure isargout is not sticky John W. Eaton <jwe@octave.org> parents: 14138 diff changeset	1005 %! assert (x, -1);
6131fead3135 ensure isargout is not sticky John W. Eaton <jwe@octave.org> parents: 14138 diff changeset	1006 %!
6131fead3135 ensure isargout is not sticky John W. Eaton <jwe@octave.org> parents: 14138 diff changeset	1007 %!test
6131fead3135 ensure isargout is not sticky John W. Eaton <jwe@octave.org> parents: 14138 diff changeset	1008 %! [~, y] = try_isargout ();
6131fead3135 ensure isargout is not sticky John W. Eaton <jwe@octave.org> parents: 14138 diff changeset	1009 %! assert (y, -2);
6131fead3135 ensure isargout is not sticky John W. Eaton <jwe@octave.org> parents: 14138 diff changeset	1010 %!
6131fead3135 ensure isargout is not sticky John W. Eaton <jwe@octave.org> parents: 14138 diff changeset	1011 %!error [~, ~] = try_isargout ();
6131fead3135 ensure isargout is not sticky John W. Eaton <jwe@octave.org> parents: 14138 diff changeset	1012 %!
6131fead3135 ensure isargout is not sticky John W. Eaton <jwe@octave.org> parents: 14138 diff changeset	1013 %% Check to see that isargout isn't sticky:
6131fead3135 ensure isargout is not sticky John W. Eaton <jwe@octave.org> parents: 14138 diff changeset	1014 %!test
6131fead3135 ensure isargout is not sticky John W. Eaton <jwe@octave.org> parents: 14138 diff changeset	1015 %! [x, y] = try_isargout ();
6131fead3135 ensure isargout is not sticky John W. Eaton <jwe@octave.org> parents: 14138 diff changeset	1016 %! assert ([x, y], [1, 2]);
16091 1785493171ac pass lvalue_list to more subsref calls (bug #38374) John W. Eaton <jwe@octave.org> parents: 15582 diff changeset	1017 %!
1785493171ac pass lvalue_list to more subsref calls (bug #38374) John W. Eaton <jwe@octave.org> parents: 15582 diff changeset	1018 %% It should work without ():
1785493171ac pass lvalue_list to more subsref calls (bug #38374) John W. Eaton <jwe@octave.org> parents: 15582 diff changeset	1019 %!test
1785493171ac pass lvalue_list to more subsref calls (bug #38374) John W. Eaton <jwe@octave.org> parents: 15582 diff changeset	1020 %! [~, y] = try_isargout;
1785493171ac pass lvalue_list to more subsref calls (bug #38374) John W. Eaton <jwe@octave.org> parents: 15582 diff changeset	1021 %! assert (y, -2);
1785493171ac pass lvalue_list to more subsref calls (bug #38374) John W. Eaton <jwe@octave.org> parents: 15582 diff changeset	1022 %!
1785493171ac pass lvalue_list to more subsref calls (bug #38374) John W. Eaton <jwe@octave.org> parents: 15582 diff changeset	1023 %% It should work in function handles, anonymous functions, and cell
1785493171ac pass lvalue_list to more subsref calls (bug #38374) John W. Eaton <jwe@octave.org> parents: 15582 diff changeset	1024 %% arrays of handles or anonymous functions.
1785493171ac pass lvalue_list to more subsref calls (bug #38374) John W. Eaton <jwe@octave.org> parents: 15582 diff changeset	1025 %!test
1785493171ac pass lvalue_list to more subsref calls (bug #38374) John W. Eaton <jwe@octave.org> parents: 15582 diff changeset	1026 %! fh = @try_isargout;
1785493171ac pass lvalue_list to more subsref calls (bug #38374) John W. Eaton <jwe@octave.org> parents: 15582 diff changeset	1027 %! af = @() try_isargout;
1785493171ac pass lvalue_list to more subsref calls (bug #38374) John W. Eaton <jwe@octave.org> parents: 15582 diff changeset	1028 %! c = {fh, af};
1785493171ac pass lvalue_list to more subsref calls (bug #38374) John W. Eaton <jwe@octave.org> parents: 15582 diff changeset	1029 %! [~, y] = fh ();
1785493171ac pass lvalue_list to more subsref calls (bug #38374) John W. Eaton <jwe@octave.org> parents: 15582 diff changeset	1030 %! assert (y, -2);
1785493171ac pass lvalue_list to more subsref calls (bug #38374) John W. Eaton <jwe@octave.org> parents: 15582 diff changeset	1031 %! [~, y] = af ();
1785493171ac pass lvalue_list to more subsref calls (bug #38374) John W. Eaton <jwe@octave.org> parents: 15582 diff changeset	1032 %! assert (y, -2);
1785493171ac pass lvalue_list to more subsref calls (bug #38374) John W. Eaton <jwe@octave.org> parents: 15582 diff changeset	1033 %! [~, y] = c{1}();
1785493171ac pass lvalue_list to more subsref calls (bug #38374) John W. Eaton <jwe@octave.org> parents: 15582 diff changeset	1034 %! assert (y, -2);
1785493171ac pass lvalue_list to more subsref calls (bug #38374) John W. Eaton <jwe@octave.org> parents: 15582 diff changeset	1035 %! [~, y] = c{2}();
1785493171ac pass lvalue_list to more subsref calls (bug #38374) John W. Eaton <jwe@octave.org> parents: 15582 diff changeset	1036 %! assert (y, -2);
14571 6131fead3135 ensure isargout is not sticky John W. Eaton <jwe@octave.org> parents: 14138 diff changeset	1037 */

Mercurial > octave-antonio

annotate libinterp/octave-value/ov-usr-fcn.cc @ 16530:7ca7e7d5eb91