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

annotate libinterp/octave-value/ov-usr-fcn.cc @ 20619:eef93a493ce3

use new cell_value method to handle value extraction errors * cellfun.cc, ov-class.cc, ov-struct.cc, ov-usr-fcn.cc: Use new cell_value method.

author	John W. Eaton <jwe@octave.org>
date	Fri, 09 Oct 2015 14:43:36 -0400
parents	b10432a40432
children

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
19731 4197fc428c7d maint: Update copyright notices for 2015. John W. Eaton <jwe@octave.org> parents: 19632 diff changeset	3 Copyright (C) 1996-2015 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
16856 787de2f144d9 Use string_fill_char when creating argn automatic variable (bug #34183). Rik <rik@octave.org> parents: 16627 diff changeset	61 // The character to fill with when creating string arrays.
787de2f144d9 Use string_fill_char when creating argn automatic variable (bug #34183). Rik <rik@octave.org> parents: 16627 diff changeset	62 extern char Vstring_fill_char; // see pt-mat.cc
16596 645672f1c873 handle setting breakpoints in subfunctions in GUI editor John W. Eaton <jwe@octave.org> parents: 16530 diff changeset	63
645672f1c873 handle setting breakpoints in subfunctions in GUI editor John W. Eaton <jwe@octave.org> parents: 16530 diff changeset	64 std::map<std::string, octave_value>
645672f1c873 handle setting breakpoints in subfunctions in GUI editor John W. Eaton <jwe@octave.org> parents: 16530 diff changeset	65 octave_user_code::subfunctions (void) const
645672f1c873 handle setting breakpoints in subfunctions in GUI editor John W. Eaton <jwe@octave.org> parents: 16530 diff changeset	66 {
645672f1c873 handle setting breakpoints in subfunctions in GUI editor John W. Eaton <jwe@octave.org> parents: 16530 diff changeset	67 return std::map<std::string, octave_value> ();
645672f1c873 handle setting breakpoints in subfunctions in GUI editor John W. Eaton <jwe@octave.org> parents: 16530 diff changeset	68 }
645672f1c873 handle setting breakpoints in subfunctions in GUI editor John W. Eaton <jwe@octave.org> parents: 16530 diff changeset	69
7715 5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7589 diff changeset	70 // User defined scripts.
5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7589 diff changeset	71
5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7589 diff changeset	72
5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7589 diff changeset	73 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	74 "user-defined script",
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	75 "user-defined script");
7715 5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7589 diff changeset	76
7731 2d2a969c731c fix max_recursion_limit exceeded at startup with Intel C++ Jaroslav Hajek <highegg@gmail.com> parents: 7719 diff changeset	77 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	78 : 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	79 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	80 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	81 call_depth (-1)
7731 2d2a969c731c fix max_recursion_limit exceeded at startup with Intel C++ Jaroslav Hajek <highegg@gmail.com> parents: 7719 diff changeset	82 { }
2d2a969c731c fix max_recursion_limit exceeded at startup with Intel C++ Jaroslav Hajek <highegg@gmail.com> parents: 7719 diff changeset	83
2d2a969c731c fix max_recursion_limit exceeded at startup with Intel C++ Jaroslav Hajek <highegg@gmail.com> parents: 7719 diff changeset	84 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	85 const std::string& nm,
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	86 tree_statement_list *cmds,
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	87 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	88 : 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	89 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	90 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	91 call_depth (-1)
7736 a059b5679fbb implement dbstack John W. Eaton <jwe@octave.org> parents: 7731 diff changeset	92 {
a059b5679fbb implement dbstack John W. Eaton <jwe@octave.org> parents: 7731 diff changeset	93 if (cmd_list)
a059b5679fbb implement dbstack John W. Eaton <jwe@octave.org> parents: 7731 diff changeset	94 cmd_list->mark_as_script_body ();
a059b5679fbb implement dbstack John W. Eaton <jwe@octave.org> parents: 7731 diff changeset	95 }
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 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	98 const std::string& nm,
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	99 const std::string& ds)
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11558 diff changeset	100 : 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	101 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	102 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	103 call_depth (-1)
7731 2d2a969c731c fix max_recursion_limit exceeded at startup with Intel C++ Jaroslav Hajek <highegg@gmail.com> parents: 7719 diff changeset	104 { }
2d2a969c731c fix max_recursion_limit exceeded at startup with Intel C++ Jaroslav Hajek <highegg@gmail.com> parents: 7719 diff changeset	105
7715 5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7589 diff changeset	106 octave_user_script::~octave_user_script (void)
5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7589 diff changeset	107 {
16530 7ca7e7d5eb91 remove breakpoints when clearing function John W. Eaton <jwe@octave.org> parents: 16442 diff changeset	108 if (cmd_list)
7ca7e7d5eb91 remove breakpoints when clearing function John W. Eaton <jwe@octave.org> parents: 16442 diff changeset	109 cmd_list->remove_all_breakpoints (file_name);
7ca7e7d5eb91 remove breakpoints when clearing function John W. Eaton <jwe@octave.org> parents: 16442 diff changeset	110
7715 5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7589 diff changeset	111 delete cmd_list;
5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7589 diff changeset	112 }
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 octave_value_list
5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7589 diff changeset	115 octave_user_script::subsref (const std::string&,
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	116 const std::list<octave_value_list>&, int)
7715 5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7589 diff changeset	117 {
5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7589 diff changeset	118 octave_value_list retval;
5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7589 diff changeset	119
20463 7ac907da9fba Use error() rather than ::error() unless explicitly required. Rik <rik@octave.org> parents: 20198 diff changeset	120 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	121
5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7589 diff changeset	122 return retval;
5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7589 diff changeset	123 }
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	124
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	125 octave_value_list
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	126 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	127 const octave_value_list& args)
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	128 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	129 octave_value_list retval;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	130
10066 2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 10001 diff changeset	131 unwind_protect frame;
8011 3100283874d7 improve backtrace error messages John W. Eaton <jwe@octave.org> parents: 7968 diff changeset	132
20589 b10432a40432 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20536 diff changeset	133 if (args.length () == 0 && nargout == 0)
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	134 {
20589 b10432a40432 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20536 diff changeset	135 if (cmd_list)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	136 {
20589 b10432a40432 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20536 diff changeset	137 frame.protect_var (call_depth);
b10432a40432 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20536 diff changeset	138 call_depth++;
7715 5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7589 diff changeset	139
20589 b10432a40432 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20536 diff changeset	140 if (call_depth < Vmax_recursion_depth)
b10432a40432 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20536 diff changeset	141 {
b10432a40432 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20536 diff changeset	142 octave_call_stack::push (this);
7715 5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7589 diff changeset	143
20589 b10432a40432 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20536 diff changeset	144 frame.add_fcn (octave_call_stack::pop);
7715 5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7589 diff changeset	145
20589 b10432a40432 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20536 diff changeset	146 frame.protect_var (tree_evaluator::statement_context);
b10432a40432 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20536 diff changeset	147 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	148
20589 b10432a40432 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20536 diff changeset	149 BEGIN_PROFILER_BLOCK (octave_user_script)
19361 91cd85a75705 Reduce profiling overhead using inlining and templates. Julien Bect <julien.bect@supelec.fr> parents: 18740 diff changeset	150
20589 b10432a40432 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20536 diff changeset	151 cmd_list->accept (*current_evaluator);
19361 91cd85a75705 Reduce profiling overhead using inlining and templates. Julien Bect <julien.bect@supelec.fr> parents: 18740 diff changeset	152
20589 b10432a40432 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20536 diff changeset	153 END_PROFILER_BLOCK
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	154
20589 b10432a40432 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20536 diff changeset	155 if (tree_return_command::returning)
b10432a40432 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20536 diff changeset	156 tree_return_command::returning = 0;
7715 5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7589 diff changeset	157
20589 b10432a40432 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20536 diff changeset	158 if (tree_break_command::breaking)
b10432a40432 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20536 diff changeset	159 tree_break_command::breaking--;
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	160 }
20589 b10432a40432 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20536 diff changeset	161 else
b10432a40432 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20536 diff changeset	162 error ("max_recursion_depth exceeded");
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	163 }
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	164 }
20589 b10432a40432 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20536 diff changeset	165 else
b10432a40432 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20536 diff changeset	166 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	167
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	168 return retval;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	169 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	170
7715 5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7589 diff changeset	171 void
5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7589 diff changeset	172 octave_user_script::accept (tree_walker& tw)
5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7589 diff changeset	173 {
5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7589 diff changeset	174 tw.visit_octave_user_script (*this);
5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7589 diff changeset	175 }
5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7589 diff changeset	176
2974 ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	177 // User defined functions.
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	178
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	179
3219 30770ba4457a [project @ 1998-11-13 03:44:31 by jwe] jwe parents: 3178 diff changeset	180 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	181 "user-defined function",
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	182 "user-defined function");
2974 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 // Ugh. This really needs to be simplified (code/data?
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	185 // extrinsic/intrinsic state?).
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	186
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	187 octave_user_function::octave_user_function
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	188 (symbol_table::scope_id sid, tree_parameter_list *pl,
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	189 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	190 : octave_user_code (std::string (), std::string ()),
2974 ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	191 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	192 lead_comm (), trail_comm (), file_name (),
12783 ad9263d965dc First experimental profiler implementation with flat profile. Daniel Kraft <d@domob.eu> parents: 12546 diff changeset	193 location_line (0), location_column (0),
6323 ea65de49e18e [project @ 2007-02-17 02:51:02 by jwe] jwe parents: 6149 diff changeset	194 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	195 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	196 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	197 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	198 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	199 anonymous_function (false), nested_function (false),
15869 5e5705b3e505 Implement some embryonic handle-classdef semantic. Michael Goffioul <michael.goffioul@gmail.com> parents: 15582 diff changeset	200 class_constructor (none), class_method (false),
14544 be18c9e359bf Nested function support (bug #35772) Max Brister <max@2bass.com> parents: 14366 diff changeset	201 parent_scope (-1), local_scope (sid),
10637 9cd5aa83fa62 implement 'local' parameter to pseudo-variables Jaroslav Hajek <highegg@gmail.com> parents: 10578 diff changeset	202 curr_unwind_protect_frame (0)
15337 3f43e9d6d86e JIT compile anonymous functions Max Brister <max@2bass.com> parents: 15236 diff changeset	203 #ifdef HAVE_LLVM
3f43e9d6d86e JIT compile anonymous functions Max Brister <max@2bass.com> parents: 15236 diff changeset	204 , jit_info (0)
3f43e9d6d86e JIT compile anonymous functions Max Brister <max@2bass.com> parents: 15236 diff changeset	205 #endif
7736 a059b5679fbb implement dbstack John W. Eaton <jwe@octave.org> parents: 7731 diff changeset	206 {
a059b5679fbb implement dbstack John W. Eaton <jwe@octave.org> parents: 7731 diff changeset	207 if (cmd_list)
a059b5679fbb implement dbstack John W. Eaton <jwe@octave.org> parents: 7731 diff changeset	208 cmd_list->mark_as_function_body ();
9639 8d79f36ebdde store scope->function pointer Jaroslav Hajek <highegg@gmail.com> parents: 9529 diff changeset	209
8d79f36ebdde store scope->function pointer Jaroslav Hajek <highegg@gmail.com> parents: 9529 diff changeset	210 if (local_scope >= 0)
8d79f36ebdde store scope->function pointer Jaroslav Hajek <highegg@gmail.com> parents: 9529 diff changeset	211 symbol_table::set_curr_fcn (this, local_scope);
7736 a059b5679fbb implement dbstack John W. Eaton <jwe@octave.org> parents: 7731 diff changeset	212 }
2974 ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	213
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	214 octave_user_function::~octave_user_function (void)
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	215 {
16530 7ca7e7d5eb91 remove breakpoints when clearing function John W. Eaton <jwe@octave.org> parents: 16442 diff changeset	216 if (cmd_list)
7ca7e7d5eb91 remove breakpoints when clearing function John W. Eaton <jwe@octave.org> parents: 16442 diff changeset	217 cmd_list->remove_all_breakpoints (file_name);
7ca7e7d5eb91 remove breakpoints when clearing function John W. Eaton <jwe@octave.org> parents: 16442 diff changeset	218
2974 ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	219 delete param_list;
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	220 delete ret_list;
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	221 delete cmd_list;
3665 0689afb1d001 [project @ 2000-05-11 19:07:56 by jwe] jwe parents: 3565 diff changeset	222 delete lead_comm;
0689afb1d001 [project @ 2000-05-11 19:07:56 by jwe] jwe parents: 3565 diff changeset	223 delete trail_comm;
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	224
15337 3f43e9d6d86e JIT compile anonymous functions Max Brister <max@2bass.com> parents: 15236 diff changeset	225 #ifdef HAVE_LLVM
3f43e9d6d86e JIT compile anonymous functions Max Brister <max@2bass.com> parents: 15236 diff changeset	226 delete jit_info;
3f43e9d6d86e JIT compile anonymous functions Max Brister <max@2bass.com> parents: 15236 diff changeset	227 #endif
3f43e9d6d86e JIT compile anonymous functions Max Brister <max@2bass.com> parents: 15236 diff changeset	228
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17757 diff changeset	229 // FIXME: this is really playing with fire.
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	230 symbol_table::erase_scope (local_scope);
2974 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
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	233 octave_user_function *
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	234 octave_user_function::define_ret_list (tree_parameter_list *t)
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 ret_list = t;
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	237
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	238 return this;
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	239 }
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	240
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	241 void
4343 db5e0814277a [project @ 2003-02-20 16:44:16 by jwe] jwe parents: 4280 diff changeset	242 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	243 {
4343 db5e0814277a [project @ 2003-02-20 16:44:16 by jwe] jwe parents: 4280 diff changeset	244 file_name = nm;
2974 ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	245 }
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	246
16627 de91b1621260 adjust location of eof marker for files with subfunctions but no explicit end statements John W. Eaton <jwe@octave.org> parents: 16605 diff changeset	247 // If there is no explicit end statement at the end of the function,
de91b1621260 adjust location of eof marker for files with subfunctions but no explicit end statements John W. Eaton <jwe@octave.org> parents: 16605 diff changeset	248 // relocate the no_op that was generated for the end of file condition
de91b1621260 adjust location of eof marker for files with subfunctions but no explicit end statements John W. Eaton <jwe@octave.org> parents: 16605 diff changeset	249 // to appear on the next line after the last statement in the file, or
de91b1621260 adjust location of eof marker for files with subfunctions but no explicit end statements John W. Eaton <jwe@octave.org> parents: 16605 diff changeset	250 // the next line after the function keyword if there are no statements.
de91b1621260 adjust location of eof marker for files with subfunctions but no explicit end statements John W. Eaton <jwe@octave.org> parents: 16605 diff changeset	251 // More precisely, the new location should probably be on the next line
de91b1621260 adjust location of eof marker for files with subfunctions but no explicit end statements John W. Eaton <jwe@octave.org> parents: 16605 diff changeset	252 // after the end of the parameter list, but we aren't tracking that
de91b1621260 adjust location of eof marker for files with subfunctions but no explicit end statements John W. Eaton <jwe@octave.org> parents: 16605 diff changeset	253 // information (yet).
de91b1621260 adjust location of eof marker for files with subfunctions but no explicit end statements John W. Eaton <jwe@octave.org> parents: 16605 diff changeset	254
de91b1621260 adjust location of eof marker for files with subfunctions but no explicit end statements John W. Eaton <jwe@octave.org> parents: 16605 diff changeset	255 void
de91b1621260 adjust location of eof marker for files with subfunctions but no explicit end statements John W. Eaton <jwe@octave.org> parents: 16605 diff changeset	256 octave_user_function::maybe_relocate_end_internal (void)
de91b1621260 adjust location of eof marker for files with subfunctions but no explicit end statements John W. Eaton <jwe@octave.org> parents: 16605 diff changeset	257 {
de91b1621260 adjust location of eof marker for files with subfunctions but no explicit end statements John W. Eaton <jwe@octave.org> parents: 16605 diff changeset	258 if (cmd_list && ! cmd_list->empty ())
de91b1621260 adjust location of eof marker for files with subfunctions but no explicit end statements John W. Eaton <jwe@octave.org> parents: 16605 diff changeset	259 {
de91b1621260 adjust location of eof marker for files with subfunctions but no explicit end statements John W. Eaton <jwe@octave.org> parents: 16605 diff changeset	260 tree_statement *last_stmt = cmd_list->back ();
de91b1621260 adjust location of eof marker for files with subfunctions but no explicit end statements John W. Eaton <jwe@octave.org> parents: 16605 diff changeset	261
de91b1621260 adjust location of eof marker for files with subfunctions but no explicit end statements John W. Eaton <jwe@octave.org> parents: 16605 diff changeset	262 if (last_stmt && last_stmt->is_end_of_fcn_or_script ()
de91b1621260 adjust location of eof marker for files with subfunctions but no explicit end statements John W. Eaton <jwe@octave.org> parents: 16605 diff changeset	263 && last_stmt->is_end_of_file ())
de91b1621260 adjust location of eof marker for files with subfunctions but no explicit end statements John W. Eaton <jwe@octave.org> parents: 16605 diff changeset	264 {
de91b1621260 adjust location of eof marker for files with subfunctions but no explicit end statements John W. Eaton <jwe@octave.org> parents: 16605 diff changeset	265 tree_statement_list::reverse_iterator
de91b1621260 adjust location of eof marker for files with subfunctions but no explicit end statements John W. Eaton <jwe@octave.org> parents: 16605 diff changeset	266 next_to_last_elt = cmd_list->rbegin ();
de91b1621260 adjust location of eof marker for files with subfunctions but no explicit end statements John W. Eaton <jwe@octave.org> parents: 16605 diff changeset	267
de91b1621260 adjust location of eof marker for files with subfunctions but no explicit end statements John W. Eaton <jwe@octave.org> parents: 16605 diff changeset	268 next_to_last_elt++;
de91b1621260 adjust location of eof marker for files with subfunctions but no explicit end statements John W. Eaton <jwe@octave.org> parents: 16605 diff changeset	269
de91b1621260 adjust location of eof marker for files with subfunctions but no explicit end statements John W. Eaton <jwe@octave.org> parents: 16605 diff changeset	270 int new_eof_line;
de91b1621260 adjust location of eof marker for files with subfunctions but no explicit end statements John W. Eaton <jwe@octave.org> parents: 16605 diff changeset	271 int new_eof_col;
de91b1621260 adjust location of eof marker for files with subfunctions but no explicit end statements John W. Eaton <jwe@octave.org> parents: 16605 diff changeset	272
de91b1621260 adjust location of eof marker for files with subfunctions but no explicit end statements John W. Eaton <jwe@octave.org> parents: 16605 diff changeset	273 if (next_to_last_elt == cmd_list->rend ())
de91b1621260 adjust location of eof marker for files with subfunctions but no explicit end statements John W. Eaton <jwe@octave.org> parents: 16605 diff changeset	274 {
de91b1621260 adjust location of eof marker for files with subfunctions but no explicit end statements John W. Eaton <jwe@octave.org> parents: 16605 diff changeset	275 new_eof_line = beginning_line ();
de91b1621260 adjust location of eof marker for files with subfunctions but no explicit end statements John W. Eaton <jwe@octave.org> parents: 16605 diff changeset	276 new_eof_col = beginning_column ();
de91b1621260 adjust location of eof marker for files with subfunctions but no explicit end statements John W. Eaton <jwe@octave.org> parents: 16605 diff changeset	277 }
de91b1621260 adjust location of eof marker for files with subfunctions but no explicit end statements John W. Eaton <jwe@octave.org> parents: 16605 diff changeset	278 else
de91b1621260 adjust location of eof marker for files with subfunctions but no explicit end statements John W. Eaton <jwe@octave.org> parents: 16605 diff changeset	279 {
de91b1621260 adjust location of eof marker for files with subfunctions but no explicit end statements John W. Eaton <jwe@octave.org> parents: 16605 diff changeset	280 tree_statement next_to_last_stmt = next_to_last_elt;
de91b1621260 adjust location of eof marker for files with subfunctions but no explicit end statements John W. Eaton <jwe@octave.org> parents: 16605 diff changeset	281
de91b1621260 adjust location of eof marker for files with subfunctions but no explicit end statements John W. Eaton <jwe@octave.org> parents: 16605 diff changeset	282 new_eof_line = next_to_last_stmt->line ();
de91b1621260 adjust location of eof marker for files with subfunctions but no explicit end statements John W. Eaton <jwe@octave.org> parents: 16605 diff changeset	283 new_eof_col = next_to_last_stmt->column ();
de91b1621260 adjust location of eof marker for files with subfunctions but no explicit end statements John W. Eaton <jwe@octave.org> parents: 16605 diff changeset	284 }
de91b1621260 adjust location of eof marker for files with subfunctions but no explicit end statements John W. Eaton <jwe@octave.org> parents: 16605 diff changeset	285
de91b1621260 adjust location of eof marker for files with subfunctions but no explicit end statements John W. Eaton <jwe@octave.org> parents: 16605 diff changeset	286 last_stmt->set_location (new_eof_line + 1, new_eof_col);
de91b1621260 adjust location of eof marker for files with subfunctions but no explicit end statements John W. Eaton <jwe@octave.org> parents: 16605 diff changeset	287 }
de91b1621260 adjust location of eof marker for files with subfunctions but no explicit end statements John W. Eaton <jwe@octave.org> parents: 16605 diff changeset	288 }
de91b1621260 adjust location of eof marker for files with subfunctions but no explicit end statements John W. Eaton <jwe@octave.org> parents: 16605 diff changeset	289 }
de91b1621260 adjust location of eof marker for files with subfunctions but no explicit end statements John W. Eaton <jwe@octave.org> parents: 16605 diff changeset	290
de91b1621260 adjust location of eof marker for files with subfunctions but no explicit end statements John W. Eaton <jwe@octave.org> parents: 16605 diff changeset	291 void
de91b1621260 adjust location of eof marker for files with subfunctions but no explicit end statements John W. Eaton <jwe@octave.org> parents: 16605 diff changeset	292 octave_user_function::maybe_relocate_end (void)
de91b1621260 adjust location of eof marker for files with subfunctions but no explicit end statements John W. Eaton <jwe@octave.org> parents: 16605 diff changeset	293 {
de91b1621260 adjust location of eof marker for files with subfunctions but no explicit end statements John W. Eaton <jwe@octave.org> parents: 16605 diff changeset	294 std::map<std::string, octave_value> fcns = subfunctions ();
de91b1621260 adjust location of eof marker for files with subfunctions but no explicit end statements John W. Eaton <jwe@octave.org> parents: 16605 diff changeset	295
de91b1621260 adjust location of eof marker for files with subfunctions but no explicit end statements John W. Eaton <jwe@octave.org> parents: 16605 diff changeset	296 if (! fcns.empty ())
de91b1621260 adjust location of eof marker for files with subfunctions but no explicit end statements John W. Eaton <jwe@octave.org> parents: 16605 diff changeset	297 {
de91b1621260 adjust location of eof marker for files with subfunctions but no explicit end statements John W. Eaton <jwe@octave.org> parents: 16605 diff changeset	298 for (std::map<std::string, octave_value>::iterator p = fcns.begin ();
de91b1621260 adjust location of eof marker for files with subfunctions but no explicit end statements John W. Eaton <jwe@octave.org> parents: 16605 diff changeset	299 p != fcns.end (); p++)
de91b1621260 adjust location of eof marker for files with subfunctions but no explicit end statements John W. Eaton <jwe@octave.org> parents: 16605 diff changeset	300 {
de91b1621260 adjust location of eof marker for files with subfunctions but no explicit end statements John W. Eaton <jwe@octave.org> parents: 16605 diff changeset	301 octave_user_function *f = (p->second).user_function_value ();
de91b1621260 adjust location of eof marker for files with subfunctions but no explicit end statements John W. Eaton <jwe@octave.org> parents: 16605 diff changeset	302
de91b1621260 adjust location of eof marker for files with subfunctions but no explicit end statements John W. Eaton <jwe@octave.org> parents: 16605 diff changeset	303 if (f)
de91b1621260 adjust location of eof marker for files with subfunctions but no explicit end statements John W. Eaton <jwe@octave.org> parents: 16605 diff changeset	304 f->maybe_relocate_end_internal ();
de91b1621260 adjust location of eof marker for files with subfunctions but no explicit end statements John W. Eaton <jwe@octave.org> parents: 16605 diff changeset	305 }
de91b1621260 adjust location of eof marker for files with subfunctions but no explicit end statements John W. Eaton <jwe@octave.org> parents: 16605 diff changeset	306 }
de91b1621260 adjust location of eof marker for files with subfunctions but no explicit end statements John W. Eaton <jwe@octave.org> parents: 16605 diff changeset	307
de91b1621260 adjust location of eof marker for files with subfunctions but no explicit end statements John W. Eaton <jwe@octave.org> parents: 16605 diff changeset	308 maybe_relocate_end_internal ();
de91b1621260 adjust location of eof marker for files with subfunctions but no explicit end statements John W. Eaton <jwe@octave.org> parents: 16605 diff changeset	309 }
de91b1621260 adjust location of eof marker for files with subfunctions but no explicit end statements John W. Eaton <jwe@octave.org> parents: 16605 diff changeset	310
12783 ad9263d965dc First experimental profiler implementation with flat profile. Daniel Kraft <d@domob.eu> parents: 12546 diff changeset	311 std::string
ad9263d965dc First experimental profiler implementation with flat profile. Daniel Kraft <d@domob.eu> parents: 12546 diff changeset	312 octave_user_function::profiler_name (void) const
ad9263d965dc First experimental profiler implementation with flat profile. Daniel Kraft <d@domob.eu> parents: 12546 diff changeset	313 {
ad9263d965dc First experimental profiler implementation with flat profile. Daniel Kraft <d@domob.eu> parents: 12546 diff changeset	314 std::ostringstream result;
ad9263d965dc First experimental profiler implementation with flat profile. Daniel Kraft <d@domob.eu> parents: 12546 diff changeset	315
18786 e70373a98ffe Change profile() to report method names of classes (bug #38480). Rik <rik@octave.org> parents: 18626 diff changeset	316 if (is_anonymous_function ())
12783 ad9263d965dc First experimental profiler implementation with flat profile. Daniel Kraft <d@domob.eu> parents: 12546 diff changeset	317 result << "anonymous@" << fcn_file_name ()
ad9263d965dc First experimental profiler implementation with flat profile. Daniel Kraft <d@domob.eu> parents: 12546 diff changeset	318 << ":" << location_line << ":" << location_column;
ad9263d965dc First experimental profiler implementation with flat profile. Daniel Kraft <d@domob.eu> parents: 12546 diff changeset	319 else if (is_subfunction ())
ad9263d965dc First experimental profiler implementation with flat profile. Daniel Kraft <d@domob.eu> parents: 12546 diff changeset	320 result << parent_fcn_name () << ">" << name ();
18786 e70373a98ffe Change profile() to report method names of classes (bug #38480). Rik <rik@octave.org> parents: 18626 diff changeset	321 else if (is_class_method ())
e70373a98ffe Change profile() to report method names of classes (bug #38480). Rik <rik@octave.org> parents: 18626 diff changeset	322 result << "@" << dispatch_class () << "/" << name ();
e70373a98ffe Change profile() to report method names of classes (bug #38480). Rik <rik@octave.org> parents: 18626 diff changeset	323 else if (is_class_constructor () \|\| is_classdef_constructor ())
e70373a98ffe Change profile() to report method names of classes (bug #38480). Rik <rik@octave.org> parents: 18626 diff changeset	324 result << "@" << name ();
e70373a98ffe Change profile() to report method names of classes (bug #38480). Rik <rik@octave.org> parents: 18626 diff changeset	325 else if (is_inline_function ())
e70373a98ffe Change profile() to report method names of classes (bug #38480). Rik <rik@octave.org> parents: 18626 diff changeset	326 result << "inline@" << fcn_file_name ()
e70373a98ffe Change profile() to report method names of classes (bug #38480). Rik <rik@octave.org> parents: 18626 diff changeset	327 << ":" << location_line << ":" << location_column;
12783 ad9263d965dc First experimental profiler implementation with flat profile. Daniel Kraft <d@domob.eu> parents: 12546 diff changeset	328 else
ad9263d965dc First experimental profiler implementation with flat profile. Daniel Kraft <d@domob.eu> parents: 12546 diff changeset	329 result << name ();
ad9263d965dc First experimental profiler implementation with flat profile. Daniel Kraft <d@domob.eu> parents: 12546 diff changeset	330
ad9263d965dc First experimental profiler implementation with flat profile. Daniel Kraft <d@domob.eu> parents: 12546 diff changeset	331 return result.str ();
ad9263d965dc First experimental profiler implementation with flat profile. Daniel Kraft <d@domob.eu> parents: 12546 diff changeset	332 }
ad9263d965dc First experimental profiler implementation with flat profile. Daniel Kraft <d@domob.eu> parents: 12546 diff changeset	333
2974 ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	334 void
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	335 octave_user_function::mark_as_system_fcn_file (void)
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	336 {
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	337 if (! file_name.empty ())
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	338 {
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	339 // 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	340 // 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	341 // FIXME
2974 ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	342 //
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	343 // 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	344 // 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	345 // function file is parsed, it probably doesn't matter that
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	346 // much.
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	347
3523 b80bbb43a1a9 [project @ 2000-02-02 10:25:52 by jwe] jwe parents: 3489 diff changeset	348 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	349
3565 4290f11c8d3b [project @ 2000-02-03 08:32:41 by jwe] jwe parents: 3544 diff changeset	350 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	351 system_fcn_file = true;
2974 ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	352 }
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	353 else
14866 2309812f428e Use explicit false and true instead of 0 and 1 Jordi Gutiérrez Hermoso <jordigh@octave.org> parents: 14861 diff changeset	354 system_fcn_file = false;
2974 ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	355 }
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	356
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	357 bool
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	358 octave_user_function::takes_varargs (void) const
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	359 {
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	360 return (param_list && param_list->takes_varargs ());
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	361 }
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	362
5848 415ae81d331b [project @ 2006-06-08 20:37:29 by jwe] jwe parents: 5823 diff changeset	363 bool
415ae81d331b [project @ 2006-06-08 20:37:29 by jwe] jwe parents: 5823 diff changeset	364 octave_user_function::takes_var_return (void) const
2974 ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	365 {
5848 415ae81d331b [project @ 2006-06-08 20:37:29 by jwe] jwe parents: 5823 diff changeset	366 return (ret_list && ret_list->takes_varargs ());
2974 ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	367 }
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	368
7761 5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7752 diff changeset	369 void
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7752 diff changeset	370 octave_user_function::lock_subfunctions (void)
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7752 diff changeset	371 {
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7752 diff changeset	372 symbol_table::lock_subfunctions (local_scope);
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7752 diff changeset	373 }
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7752 diff changeset	374
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7752 diff changeset	375 void
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7752 diff changeset	376 octave_user_function::unlock_subfunctions (void)
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7752 diff changeset	377 {
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7752 diff changeset	378 symbol_table::unlock_subfunctions (local_scope);
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7752 diff changeset	379 }
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7752 diff changeset	380
16596 645672f1c873 handle setting breakpoints in subfunctions in GUI editor John W. Eaton <jwe@octave.org> parents: 16530 diff changeset	381 std::map<std::string, octave_value>
645672f1c873 handle setting breakpoints in subfunctions in GUI editor John W. Eaton <jwe@octave.org> parents: 16530 diff changeset	382 octave_user_function::subfunctions (void) const
645672f1c873 handle setting breakpoints in subfunctions in GUI editor John W. Eaton <jwe@octave.org> parents: 16530 diff changeset	383 {
645672f1c873 handle setting breakpoints in subfunctions in GUI editor John W. Eaton <jwe@octave.org> parents: 16530 diff changeset	384 return symbol_table::subfunctions_defined_in_scope (local_scope);
645672f1c873 handle setting breakpoints in subfunctions in GUI editor John W. Eaton <jwe@octave.org> parents: 16530 diff changeset	385 }
645672f1c873 handle setting breakpoints in subfunctions in GUI editor John W. Eaton <jwe@octave.org> parents: 16530 diff changeset	386
16627 de91b1621260 adjust location of eof marker for files with subfunctions but no explicit end statements John W. Eaton <jwe@octave.org> parents: 16605 diff changeset	387 bool
de91b1621260 adjust location of eof marker for files with subfunctions but no explicit end statements John W. Eaton <jwe@octave.org> parents: 16605 diff changeset	388 octave_user_function::has_subfunctions (void) const
de91b1621260 adjust location of eof marker for files with subfunctions but no explicit end statements John W. Eaton <jwe@octave.org> parents: 16605 diff changeset	389 {
de91b1621260 adjust location of eof marker for files with subfunctions but no explicit end statements John W. Eaton <jwe@octave.org> parents: 16605 diff changeset	390 return ! subfcn_names.empty ();
de91b1621260 adjust location of eof marker for files with subfunctions but no explicit end statements John W. Eaton <jwe@octave.org> parents: 16605 diff changeset	391 }
de91b1621260 adjust location of eof marker for files with subfunctions but no explicit end statements John W. Eaton <jwe@octave.org> parents: 16605 diff changeset	392
de91b1621260 adjust location of eof marker for files with subfunctions but no explicit end statements John W. Eaton <jwe@octave.org> parents: 16605 diff changeset	393 void
de91b1621260 adjust location of eof marker for files with subfunctions but no explicit end statements John W. Eaton <jwe@octave.org> parents: 16605 diff changeset	394 octave_user_function::stash_subfunction_names
de91b1621260 adjust location of eof marker for files with subfunctions but no explicit end statements John W. Eaton <jwe@octave.org> parents: 16605 diff changeset	395 (const std::list<std::string>& names)
de91b1621260 adjust location of eof marker for files with subfunctions but no explicit end statements John W. Eaton <jwe@octave.org> parents: 16605 diff changeset	396 {
de91b1621260 adjust location of eof marker for files with subfunctions but no explicit end statements John W. Eaton <jwe@octave.org> parents: 16605 diff changeset	397 subfcn_names = names;
de91b1621260 adjust location of eof marker for files with subfunctions but no explicit end statements John W. Eaton <jwe@octave.org> parents: 16605 diff changeset	398 }
de91b1621260 adjust location of eof marker for files with subfunctions but no explicit end statements John W. Eaton <jwe@octave.org> parents: 16605 diff changeset	399
2974 ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	400 octave_value_list
9522 e79470be3ecb implement subsasgn this-arg optimization Jaroslav Hajek <highegg@gmail.com> parents: 9396 diff changeset	401 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	402 {
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	403 octave_value_list retval;
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	404
9522 e79470be3ecb implement subsasgn this-arg optimization Jaroslav Hajek <highegg@gmail.com> parents: 9396 diff changeset	405 octave_idx_type n = args.length () - num_named_args;
2974 ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	406
3178 09a3064a3a17 [project @ 1998-06-23 03:46:42 by jwe] jwe parents: 3165 diff changeset	407 if (n > 0)
9522 e79470be3ecb implement subsasgn this-arg optimization Jaroslav Hajek <highegg@gmail.com> parents: 9396 diff changeset	408 retval = args.slice (num_named_args, n);
2974 ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	409
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	410 return retval;
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	411 }
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	412
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	413 octave_value_list
4247 fc9a075d10fb [project @ 2002-12-30 23:05:27 by jwe] jwe parents: 4245 diff changeset	414 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	415 const std::list<octave_value_list>& idx,
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	416 int nargout)
3933 f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe] jwe parents: 3876 diff changeset	417 {
10832 1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	418 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	419 }
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	420
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	421 octave_value_list
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	422 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	423 const std::list<octave_value_list>& idx,
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17757 diff changeset	424 int nargout,
175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17757 diff changeset	425 const std::list<octave_lvalue>* lvalue_list)
10832 1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	426 {
3933 f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe] jwe parents: 3876 diff changeset	427 octave_value_list retval;
f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe] jwe parents: 3876 diff changeset	428
f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe] jwe parents: 3876 diff changeset	429 switch (type[0])
f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe] jwe parents: 3876 diff changeset	430 {
f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe] jwe parents: 3876 diff changeset	431 case '(':
5154 9cb38bfb04ea [project @ 2005-02-21 21:23:28 by jwe] jwe parents: 5105 diff changeset	432 {
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	433 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	434
10832 1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	435 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	436 idx.size () == 1 ? lvalue_list : 0);
5154 9cb38bfb04ea [project @ 2005-02-21 21:23:28 by jwe] jwe parents: 5105 diff changeset	437 }
3933 f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe] jwe parents: 3876 diff changeset	438 break;
f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe] jwe parents: 3876 diff changeset	439
f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe] jwe parents: 3876 diff changeset	440 case '{':
f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe] jwe parents: 3876 diff changeset	441 case '.':
f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe] jwe parents: 3876 diff changeset	442 {
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	443 std::string nm = type_name ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	444 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	445 }
f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe] jwe parents: 3876 diff changeset	446 break;
f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe] jwe parents: 3876 diff changeset	447
f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe] jwe parents: 3876 diff changeset	448 default:
f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe] jwe parents: 3876 diff changeset	449 panic_impossible ();
f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe] jwe parents: 3876 diff changeset	450 }
f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe] jwe parents: 3876 diff changeset	451
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17757 diff changeset	452 // FIXME: perhaps there should be an
4059 db58c1a1e6ce [project @ 2002-09-18 07:21:12 by jwe] jwe parents: 3975 diff changeset	453 // octave_value_list::next_subsref member function? See also
db58c1a1e6ce [project @ 2002-09-18 07:21:12 by jwe] jwe parents: 3975 diff changeset	454 // octave_builtin::subsref.
3933 f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe] jwe parents: 3876 diff changeset	455
4219 23d06c9e1edd [project @ 2002-12-06 21:29:17 by jwe] jwe parents: 4207 diff changeset	456 if (idx.size () > 1)
4994 48d0defe9445 [project @ 2004-09-15 20:31:31 by jwe] jwe parents: 4987 diff changeset	457 retval = retval(0).next_subsref (nargout, type, idx);
4059 db58c1a1e6ce [project @ 2002-09-18 07:21:12 by jwe] jwe parents: 3975 diff changeset	458
db58c1a1e6ce [project @ 2002-09-18 07:21:12 by jwe] jwe parents: 3975 diff changeset	459 return retval;
3933 f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe] jwe parents: 3876 diff changeset	460 }
f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe] jwe parents: 3876 diff changeset	461
f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe] jwe parents: 3876 diff changeset	462 octave_value_list
3544 71bd2d124119 [project @ 2000-02-02 21:02:31 by jwe] jwe parents: 3523 diff changeset	463 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	464 const octave_value_list& args)
2974 ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	465 {
10832 1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	466 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	467 }
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	468
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	469 octave_value_list
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	470 octave_user_function::do_multi_index_op (int nargout,
15869 5e5705b3e505 Implement some embryonic handle-classdef semantic. Michael Goffioul <michael.goffioul@gmail.com> parents: 15582 diff changeset	471 const octave_value_list& _args,
10832 1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	472 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	473 {
2974 ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	474 octave_value_list retval;
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	475
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	476 if (! cmd_list)
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	477 return retval;
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	478
15869 5e5705b3e505 Implement some embryonic handle-classdef semantic. Michael Goffioul <michael.goffioul@gmail.com> parents: 15582 diff changeset	479 // If this function is a classdef constructor, extract the first input
5e5705b3e505 Implement some embryonic handle-classdef semantic. Michael Goffioul <michael.goffioul@gmail.com> parents: 15582 diff changeset	480 // argument, which must be the partially constructed object instance.
5e5705b3e505 Implement some embryonic handle-classdef semantic. Michael Goffioul <michael.goffioul@gmail.com> parents: 15582 diff changeset	481
5e5705b3e505 Implement some embryonic handle-classdef semantic. Michael Goffioul <michael.goffioul@gmail.com> parents: 15582 diff changeset	482 octave_value_list args (_args);
5e5705b3e505 Implement some embryonic handle-classdef semantic. Michael Goffioul <michael.goffioul@gmail.com> parents: 15582 diff changeset	483 octave_value_list ret_args;
5e5705b3e505 Implement some embryonic handle-classdef semantic. Michael Goffioul <michael.goffioul@gmail.com> parents: 15582 diff changeset	484
5e5705b3e505 Implement some embryonic handle-classdef semantic. Michael Goffioul <michael.goffioul@gmail.com> parents: 15582 diff changeset	485 if (is_classdef_constructor ())
5e5705b3e505 Implement some embryonic handle-classdef semantic. Michael Goffioul <michael.goffioul@gmail.com> parents: 15582 diff changeset	486 {
5e5705b3e505 Implement some embryonic handle-classdef semantic. Michael Goffioul <michael.goffioul@gmail.com> parents: 15582 diff changeset	487 if (args.length () > 0)
5e5705b3e505 Implement some embryonic handle-classdef semantic. Michael Goffioul <michael.goffioul@gmail.com> parents: 15582 diff changeset	488 {
5e5705b3e505 Implement some embryonic handle-classdef semantic. Michael Goffioul <michael.goffioul@gmail.com> parents: 15582 diff changeset	489 ret_args = args.slice (0, 1, true);
5e5705b3e505 Implement some embryonic handle-classdef semantic. Michael Goffioul <michael.goffioul@gmail.com> parents: 15582 diff changeset	490 args = args.slice (1, args.length () - 1, true);
5e5705b3e505 Implement some embryonic handle-classdef semantic. Michael Goffioul <michael.goffioul@gmail.com> parents: 15582 diff changeset	491 }
5e5705b3e505 Implement some embryonic handle-classdef semantic. Michael Goffioul <michael.goffioul@gmail.com> parents: 15582 diff changeset	492 else
5e5705b3e505 Implement some embryonic handle-classdef semantic. Michael Goffioul <michael.goffioul@gmail.com> parents: 15582 diff changeset	493 panic_impossible ();
5e5705b3e505 Implement some embryonic handle-classdef semantic. Michael Goffioul <michael.goffioul@gmail.com> parents: 15582 diff changeset	494 }
5e5705b3e505 Implement some embryonic handle-classdef semantic. Michael Goffioul <michael.goffioul@gmail.com> parents: 15582 diff changeset	495
15337 3f43e9d6d86e JIT compile anonymous functions Max Brister <max@2bass.com> parents: 15236 diff changeset	496 #ifdef HAVE_LLVM
15582 52df2e7baabe Disable JIT when breakpoints are present Max Brister <max@2bass.com> parents: 15427 diff changeset	497 if (is_special_expr ()
15337 3f43e9d6d86e JIT compile anonymous functions Max Brister <max@2bass.com> parents: 15236 diff changeset	498 && tree_jit::execute (*this, args, retval))
3f43e9d6d86e JIT compile anonymous functions Max Brister <max@2bass.com> parents: 15236 diff changeset	499 return retval;
3f43e9d6d86e JIT compile anonymous functions Max Brister <max@2bass.com> parents: 15236 diff changeset	500 #endif
3f43e9d6d86e JIT compile anonymous functions Max Brister <max@2bass.com> parents: 15236 diff changeset	501
2974 ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	502 int nargin = args.length ();
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	503
10066 2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 10001 diff changeset	504 unwind_protect frame;
2974 ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	505
10066 2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 10001 diff changeset	506 frame.protect_var (call_depth);
2974 ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	507 call_depth++;
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	508
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7736 diff changeset	509 if (call_depth >= Vmax_recursion_depth)
3131 9c5160c83bd2 [project @ 1998-01-29 04:46:33 by jwe] jwe parents: 3014 diff changeset	510 {
20463 7ac907da9fba Use error() rather than ::error() unless explicitly required. Rik <rik@octave.org> parents: 20198 diff changeset	511 error ("max_recursion_depth exceeded");
3131 9c5160c83bd2 [project @ 1998-01-29 04:46:33 by jwe] jwe parents: 3014 diff changeset	512 return retval;
9c5160c83bd2 [project @ 1998-01-29 04:46:33 by jwe] jwe parents: 3014 diff changeset	513 }
9c5160c83bd2 [project @ 1998-01-29 04:46:33 by jwe] jwe parents: 3014 diff changeset	514
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	515 // Save old and set current symbol table context, for
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	516 // eval_undefined_error().
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	517
14544 be18c9e359bf Nested function support (bug #35772) Max Brister <max@2bass.com> parents: 14366 diff changeset	518 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	519
19078011cdc3 fix problem with recursion and anonymous functions (bug #31371) John W. Eaton <jwe@octave.org> parents: 14139 diff changeset	520 octave_call_stack::push (this, local_scope, context);
10066 2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 10001 diff changeset	521 frame.add_fcn (octave_call_stack::pop);
7901 3e4c9b69069d call stack changes John W. Eaton <jwe@octave.org> parents: 7761 diff changeset	522
14328 19078011cdc3 fix problem with recursion and anonymous functions (bug #31371) John W. Eaton <jwe@octave.org> parents: 14139 diff changeset	523 if (call_depth > 0 && ! is_anonymous_function ())
2974 ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	524 {
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	525 symbol_table::push_context ();
2974 ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	526
10066 2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 10001 diff changeset	527 frame.add_fcn (symbol_table::pop_context);
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	528 }
2974 ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	529
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	530 string_vector arg_names = args.name_tags ();
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	531
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	532 if (param_list && ! param_list->varargs_only ())
20589 b10432a40432 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20536 diff changeset	533 param_list->define_from_arg_vector (args);
2974 ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	534
15869 5e5705b3e505 Implement some embryonic handle-classdef semantic. Michael Goffioul <michael.goffioul@gmail.com> parents: 15582 diff changeset	535 // For classdef constructor, pre-populate the output arguments
5e5705b3e505 Implement some embryonic handle-classdef semantic. Michael Goffioul <michael.goffioul@gmail.com> parents: 15582 diff changeset	536 // with the pre-initialized object instance, extracted above.
5e5705b3e505 Implement some embryonic handle-classdef semantic. Michael Goffioul <michael.goffioul@gmail.com> parents: 15582 diff changeset	537
5e5705b3e505 Implement some embryonic handle-classdef semantic. Michael Goffioul <michael.goffioul@gmail.com> parents: 15582 diff changeset	538 if (is_classdef_constructor ())
5e5705b3e505 Implement some embryonic handle-classdef semantic. Michael Goffioul <michael.goffioul@gmail.com> parents: 15582 diff changeset	539 {
5e5705b3e505 Implement some embryonic handle-classdef semantic. Michael Goffioul <michael.goffioul@gmail.com> parents: 15582 diff changeset	540 if (ret_list)
20589 b10432a40432 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20536 diff changeset	541 ret_list->define_from_arg_vector (ret_args);
15869 5e5705b3e505 Implement some embryonic handle-classdef semantic. Michael Goffioul <michael.goffioul@gmail.com> parents: 15582 diff changeset	542 else
5e5705b3e505 Implement some embryonic handle-classdef semantic. Michael Goffioul <michael.goffioul@gmail.com> parents: 15582 diff changeset	543 {
20463 7ac907da9fba Use error() rather than ::error() unless explicitly required. Rik <rik@octave.org> parents: 20198 diff changeset	544 error ("%s: invalid classdef constructor, no output argument defined",
7ac907da9fba Use error() rather than ::error() unless explicitly required. Rik <rik@octave.org> parents: 20198 diff changeset	545 dispatch_class ().c_str ());
15869 5e5705b3e505 Implement some embryonic handle-classdef semantic. Michael Goffioul <michael.goffioul@gmail.com> parents: 15582 diff changeset	546 return retval;
5e5705b3e505 Implement some embryonic handle-classdef semantic. Michael Goffioul <michael.goffioul@gmail.com> parents: 15582 diff changeset	547 }
5e5705b3e505 Implement some embryonic handle-classdef semantic. Michael Goffioul <michael.goffioul@gmail.com> parents: 15582 diff changeset	548 }
5e5705b3e505 Implement some embryonic handle-classdef semantic. Michael Goffioul <michael.goffioul@gmail.com> parents: 15582 diff changeset	549
3239 d54ef0aa6e82 [project @ 1999-03-27 17:40:45 by jwe] jwe parents: 3219 diff changeset	550 // 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	551 // 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	552 // variables that are also named function parameters.
d54ef0aa6e82 [project @ 1999-03-27 17:40:45 by jwe] jwe parents: 3219 diff changeset	553
9396 17af7cce7d1b yet more unwind_protect improvements Jaroslav Hajek <highegg@gmail.com> parents: 9377 diff changeset	554 if (param_list)
10066 2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 10001 diff changeset	555 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	556
d54ef0aa6e82 [project @ 1999-03-27 17:40:45 by jwe] jwe parents: 3219 diff changeset	557 // 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	558 // 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	559 // 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	560
9396 17af7cce7d1b yet more unwind_protect improvements Jaroslav Hajek <highegg@gmail.com> parents: 9377 diff changeset	561 if (ret_list)
10066 2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 10001 diff changeset	562 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	563
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	564 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	565 {
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	566 // 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	567 // 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	568 //
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	569 // 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	570 // 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	571 // 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	572 // 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	573 // 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	574 // 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	575
10066 2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 10001 diff changeset	576 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	577 }
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	578
10832 1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	579 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	580 lvalue_list);
2974 ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	581
15427 6823ad7a25b1 implement local option for warnings John W. Eaton <jwe@octave.org> parents: 15337 diff changeset	582 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	583
10066 2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 10001 diff changeset	584 bool echo_commands = (Vecho_executing_commands & ECHO_FUNCTIONS);
2974 ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	585
10066 2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 10001 diff changeset	586 if (echo_commands)
2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 10001 diff changeset	587 print_code_function_header ();
2974 ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	588
10637 9cd5aa83fa62 implement 'local' parameter to pseudo-variables Jaroslav Hajek <highegg@gmail.com> parents: 10578 diff changeset	589 // 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	590 // 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	591 // 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	592 frame.protect_var (curr_unwind_protect_frame);
9cd5aa83fa62 implement 'local' parameter to pseudo-variables Jaroslav Hajek <highegg@gmail.com> parents: 10578 diff changeset	593 curr_unwind_protect_frame = &frame;
9cd5aa83fa62 implement 'local' parameter to pseudo-variables Jaroslav Hajek <highegg@gmail.com> parents: 10578 diff changeset	594
10066 2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 10001 diff changeset	595 // Evaluate the commands that make up the function.
2974 ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	596
11304 c9fefa096ce2 echo commands in scripts John W. Eaton <jwe@octave.org> parents: 10848 diff changeset	597 frame.protect_var (tree_evaluator::statement_context);
c9fefa096ce2 echo commands in scripts John W. Eaton <jwe@octave.org> parents: 10848 diff changeset	598 tree_evaluator::statement_context = tree_evaluator::function;
3489 cbee5fbb696d [project @ 2000-01-28 09:14:32 by jwe] jwe parents: 3445 diff changeset	599
19361 91cd85a75705 Reduce profiling overhead using inlining and templates. Julien Bect <julien.bect@supelec.fr> parents: 18740 diff changeset	600 BEGIN_PROFILER_BLOCK (octave_user_function)
6657 86354a8cd6a7 [project @ 2007-05-23 04:35:04 by jwe] jwe parents: 6591 diff changeset	601
15337 3f43e9d6d86e JIT compile anonymous functions Max Brister <max@2bass.com> parents: 15236 diff changeset	602 if (is_special_expr ())
12960 43d78e103984 Use macro to start profiler blocks. Daniel Kraft <d@domob.eu> parents: 12920 diff changeset	603 {
15337 3f43e9d6d86e JIT compile anonymous functions Max Brister <max@2bass.com> parents: 15236 diff changeset	604 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	605
15337 3f43e9d6d86e JIT compile anonymous functions Max Brister <max@2bass.com> parents: 15236 diff changeset	606 if (expr)
16091 1785493171ac pass lvalue_list to more subsref calls (bug #38374) John W. Eaton <jwe@octave.org> parents: 15582 diff changeset	607 retval = (lvalue_list
1785493171ac pass lvalue_list to more subsref calls (bug #38374) John W. Eaton <jwe@octave.org> parents: 15582 diff changeset	608 ? 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	609 : expr->rvalue (nargout));
12960 43d78e103984 Use macro to start profiler blocks. Daniel Kraft <d@domob.eu> parents: 12920 diff changeset	610 }
43d78e103984 Use macro to start profiler blocks. Daniel Kraft <d@domob.eu> parents: 12920 diff changeset	611 else
43d78e103984 Use macro to start profiler blocks. Daniel Kraft <d@domob.eu> parents: 12920 diff changeset	612 cmd_list->accept (*current_evaluator);
43d78e103984 Use macro to start profiler blocks. Daniel Kraft <d@domob.eu> parents: 12920 diff changeset	613
43d78e103984 Use macro to start profiler blocks. Daniel Kraft <d@domob.eu> parents: 12920 diff changeset	614 END_PROFILER_BLOCK
2974 ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	615
10066 2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 10001 diff changeset	616 if (echo_commands)
2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 10001 diff changeset	617 print_code_function_trailer ();
2974 ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	618
10066 2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 10001 diff changeset	619 if (tree_return_command::returning)
2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 10001 diff changeset	620 tree_return_command::returning = 0;
2974 ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	621
10066 2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 10001 diff changeset	622 if (tree_break_command::breaking)
2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 10001 diff changeset	623 tree_break_command::breaking--;
2974 ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	624
10066 2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 10001 diff changeset	625 // Copy return values out.
2974 ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	626
15337 3f43e9d6d86e JIT compile anonymous functions Max Brister <max@2bass.com> parents: 15236 diff changeset	627 if (ret_list && ! is_special_expr ())
10066 2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 10001 diff changeset	628 {
2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 10001 diff changeset	629 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	630
10066 2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 10001 diff changeset	631 Cell varargout;
6591 fc0218995ee7 [project @ 2007-04-27 02:17:34 by jwe] jwe parents: 6505 diff changeset	632
10066 2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 10001 diff changeset	633 if (ret_list->takes_varargs ())
2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 10001 diff changeset	634 {
2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 10001 diff changeset	635 octave_value varargout_varval = symbol_table::varval ("varargout");
5848 415ae81d331b [project @ 2006-06-08 20:37:29 by jwe] jwe parents: 5823 diff changeset	636
10066 2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 10001 diff changeset	637 if (varargout_varval.is_defined ())
20619 eef93a493ce3 use new cell_value method to handle value extraction errors John W. Eaton <jwe@octave.org> parents: 20589 diff changeset	638 varargout = varargout_varval.cell_value ("expecting varargout to be a cell array object");
10066 2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 10001 diff changeset	639 }
2974 ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	640
20589 b10432a40432 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20536 diff changeset	641 retval = ret_list->convert_to_const_vector (nargout, varargout);
10066 2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 10001 diff changeset	642 }
2974 ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	643
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	644 return retval;
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	645 }
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	646
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	647 void
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	648 octave_user_function::accept (tree_walker& tw)
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	649 {
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	650 tw.visit_octave_user_function (*this);
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	651 }
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	652
15337 3f43e9d6d86e JIT compile anonymous functions Max Brister <max@2bass.com> parents: 15236 diff changeset	653 tree_expression *
3f43e9d6d86e JIT compile anonymous functions Max Brister <max@2bass.com> parents: 15236 diff changeset	654 octave_user_function::special_expr (void)
3f43e9d6d86e JIT compile anonymous functions Max Brister <max@2bass.com> parents: 15236 diff changeset	655 {
3f43e9d6d86e JIT compile anonymous functions Max Brister <max@2bass.com> parents: 15236 diff changeset	656 assert (is_special_expr ());
3f43e9d6d86e JIT compile anonymous functions Max Brister <max@2bass.com> parents: 15236 diff changeset	657 assert (cmd_list->length () == 1);
3f43e9d6d86e JIT compile anonymous functions Max Brister <max@2bass.com> parents: 15236 diff changeset	658
3f43e9d6d86e JIT compile anonymous functions Max Brister <max@2bass.com> parents: 15236 diff changeset	659 tree_statement *stmt = cmd_list->front ();
3f43e9d6d86e JIT compile anonymous functions Max Brister <max@2bass.com> parents: 15236 diff changeset	660 return stmt->expression ();
3f43e9d6d86e JIT compile anonymous functions Max Brister <max@2bass.com> parents: 15236 diff changeset	661 }
3f43e9d6d86e JIT compile anonymous functions Max Brister <max@2bass.com> parents: 15236 diff changeset	662
9522 e79470be3ecb implement subsasgn this-arg optimization Jaroslav Hajek <highegg@gmail.com> parents: 9396 diff changeset	663 bool
e79470be3ecb implement subsasgn this-arg optimization Jaroslav Hajek <highegg@gmail.com> parents: 9396 diff changeset	664 octave_user_function::subsasgn_optimization_ok (void)
e79470be3ecb implement subsasgn this-arg optimization Jaroslav Hajek <highegg@gmail.com> parents: 9396 diff changeset	665 {
e79470be3ecb implement subsasgn this-arg optimization Jaroslav Hajek <highegg@gmail.com> parents: 9396 diff changeset	666 bool retval = false;
e79470be3ecb implement subsasgn this-arg optimization Jaroslav Hajek <highegg@gmail.com> parents: 9396 diff changeset	667 if (Voptimize_subsasgn_calls
18740 e3fca7930c1e Fix segfault if subsasgn in @class returns no output (bug #41945) Stefan Mahr <dac922@gmx.de> parents: 18533 diff changeset	668 && param_list && ret_list
9522 e79470be3ecb implement subsasgn this-arg optimization Jaroslav Hajek <highegg@gmail.com> parents: 9396 diff changeset	669 && param_list->length () > 0 && ! param_list->varargs_only ()
e79470be3ecb implement subsasgn this-arg optimization Jaroslav Hajek <highegg@gmail.com> parents: 9396 diff changeset	670 && ret_list->length () == 1 && ! ret_list->takes_varargs ())
e79470be3ecb implement subsasgn this-arg optimization Jaroslav Hajek <highegg@gmail.com> parents: 9396 diff changeset	671 {
e79470be3ecb implement subsasgn this-arg optimization Jaroslav Hajek <highegg@gmail.com> parents: 9396 diff changeset	672 tree_identifier *par1 = param_list->front ()->ident ();
e79470be3ecb implement subsasgn this-arg optimization Jaroslav Hajek <highegg@gmail.com> parents: 9396 diff changeset	673 tree_identifier *ret1 = ret_list->front ()->ident ();
e79470be3ecb implement subsasgn this-arg optimization Jaroslav Hajek <highegg@gmail.com> parents: 9396 diff changeset	674 retval = par1->name () == ret1->name ();
e79470be3ecb implement subsasgn this-arg optimization Jaroslav Hajek <highegg@gmail.com> parents: 9396 diff changeset	675 }
e79470be3ecb implement subsasgn this-arg optimization Jaroslav Hajek <highegg@gmail.com> parents: 9396 diff changeset	676
e79470be3ecb implement subsasgn this-arg optimization Jaroslav Hajek <highegg@gmail.com> parents: 9396 diff changeset	677 return retval;
e79470be3ecb implement subsasgn this-arg optimization Jaroslav Hajek <highegg@gmail.com> parents: 9396 diff changeset	678 }
e79470be3ecb implement subsasgn this-arg optimization Jaroslav Hajek <highegg@gmail.com> parents: 9396 diff changeset	679
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	680 #if 0
2974 ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	681 void
3933 f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe] jwe parents: 3876 diff changeset	682 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	683 {
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	684 symbol_table::print_info (os, local_scope);
3933 f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe] jwe parents: 3876 diff changeset	685 }
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	686 #endif
3933 f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe] jwe parents: 3876 diff changeset	687
f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe] jwe parents: 3876 diff changeset	688 void
2974 ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	689 octave_user_function::print_code_function_header (void)
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	690 {
5794 1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5775 diff changeset	691 tree_print_code tpc (octave_stdout, VPS4);
2974 ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	692
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	693 tpc.visit_octave_user_function_header (*this);
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	694 }
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	695
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	696 void
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	697 octave_user_function::print_code_function_trailer (void)
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	698 {
5794 1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5775 diff changeset	699 tree_print_code tpc (octave_stdout, VPS4);
2974 ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	700
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	701 tpc.visit_octave_user_function_trailer (*this);
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	702 }
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	703
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	704 void
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	705 octave_user_function::bind_automatic_vars
3974 e2290bf911f0 [project @ 2002-07-04 17:38:22 by jwe] jwe parents: 3933 diff changeset	706 (const string_vector& arg_names, int nargin, int nargout,
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17757 diff changeset	707 const octave_value_list& va_args,
175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17757 diff changeset	708 const std::list<octave_lvalue> *lvalue_list)
2974 ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	709 {
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	710 if (! arg_names.empty ())
11557 e9d72a3caa46 mark automatic variables as automatic John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	711 {
11558 1e4dfc7a9487 use .argn. to store argument names for inputname function John W. Eaton <jwe@octave.org> parents: 11557 diff changeset	712 // 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	713 // 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	714 // 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	715 // 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	716
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17757 diff changeset	717 symbol_table::force_assign ("argn",
175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17757 diff changeset	718 charMatrix (arg_names, Vstring_fill_char));
16442 302157614308 deprecate symbol_table::varref functions John W. Eaton <jwe@octave.org> parents: 16091 diff changeset	719 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	720
1e4dfc7a9487 use .argn. to store argument names for inputname function John W. Eaton <jwe@octave.org> parents: 11557 diff changeset	721 symbol_table::mark_hidden (".argn.");
11557 e9d72a3caa46 mark automatic variables as automatic John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	722
e9d72a3caa46 mark automatic variables as automatic John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	723 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	724 symbol_table::mark_automatic (".argn.");
11557 e9d72a3caa46 mark automatic variables as automatic John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	725 }
2974 ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	726
16442 302157614308 deprecate symbol_table::varref functions John W. Eaton <jwe@octave.org> parents: 16091 diff changeset	727 symbol_table::force_assign (".nargin.", nargin);
302157614308 deprecate symbol_table::varref functions John W. Eaton <jwe@octave.org> parents: 16091 diff changeset	728 symbol_table::force_assign (".nargout.", nargout);
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	729
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	730 symbol_table::mark_hidden (".nargin.");
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	731 symbol_table::mark_hidden (".nargout.");
3974 e2290bf911f0 [project @ 2002-07-04 17:38:22 by jwe] jwe parents: 3933 diff changeset	732
11557 e9d72a3caa46 mark automatic variables as automatic John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	733 symbol_table::mark_automatic (".nargin.");
e9d72a3caa46 mark automatic variables as automatic John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	734 symbol_table::mark_automatic (".nargout.");
e9d72a3caa46 mark automatic variables as automatic John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	735
16442 302157614308 deprecate symbol_table::varref functions John W. Eaton <jwe@octave.org> parents: 16091 diff changeset	736 symbol_table::assign (".saved_warning_states.");
15427 6823ad7a25b1 implement local option for warnings John W. Eaton <jwe@octave.org> parents: 15337 diff changeset	737
6823ad7a25b1 implement local option for warnings John W. Eaton <jwe@octave.org> parents: 15337 diff changeset	738 symbol_table::mark_automatic (".saved_warning_states.");
6823ad7a25b1 implement local option for warnings John W. Eaton <jwe@octave.org> parents: 15337 diff changeset	739 symbol_table::mark_automatic (".saved_warning_states.");
6823ad7a25b1 implement local option for warnings John W. Eaton <jwe@octave.org> parents: 15337 diff changeset	740
3974 e2290bf911f0 [project @ 2002-07-04 17:38:22 by jwe] jwe parents: 3933 diff changeset	741 if (takes_varargs ())
16442 302157614308 deprecate symbol_table::varref functions John W. Eaton <jwe@octave.org> parents: 16091 diff changeset	742 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	743
14571 6131fead3135 ensure isargout is not sticky John W. Eaton <jwe@octave.org> parents: 14138 diff changeset	744 // 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	745 symbol_table::assign (".ignored.");
14571 6131fead3135 ensure isargout is not sticky John W. Eaton <jwe@octave.org> parents: 14138 diff changeset	746
10832 1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	747 if (lvalue_list)
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	748 {
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	749 octave_idx_type nbh = 0;
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	750 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	751 p != lvalue_list->end (); p++)
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	752 nbh += p->is_black_hole ();
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	753
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	754 if (nbh > 0)
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	755 {
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	756 // 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	757 Matrix bh (1, nbh);
18099 6a71e5030df5 Follow coding convention of defining and initializing only 1 variable per line in liboctinterp. Rik <rik@octave.org> parents: 17856 diff changeset	758 octave_idx_type k = 0;
6a71e5030df5 Follow coding convention of defining and initializing only 1 variable per line in liboctinterp. Rik <rik@octave.org> parents: 17856 diff changeset	759 octave_idx_type l = 0;
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17757 diff changeset	760 for (std::list<octave_lvalue>::const_iterator
175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17757 diff changeset	761 p = lvalue_list->begin (); p != lvalue_list->end (); p++)
10832 1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	762 {
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	763 if (p->is_black_hole ())
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	764 bh(l++) = k+1;
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	765 k += p->numel ();
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	766 }
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	767
16442 302157614308 deprecate symbol_table::varref functions John W. Eaton <jwe@octave.org> parents: 16091 diff changeset	768 symbol_table::assign (".ignored.", bh);
10832 1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	769 }
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	770 }
14571 6131fead3135 ensure isargout is not sticky John W. Eaton <jwe@octave.org> parents: 14138 diff changeset	771
6131fead3135 ensure isargout is not sticky John W. Eaton <jwe@octave.org> parents: 14138 diff changeset	772 symbol_table::mark_hidden (".ignored.");
6131fead3135 ensure isargout is not sticky John W. Eaton <jwe@octave.org> parents: 14138 diff changeset	773 symbol_table::mark_automatic (".ignored.");
2974 ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	774 }
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	775
15427 6823ad7a25b1 implement local option for warnings John W. Eaton <jwe@octave.org> parents: 15337 diff changeset	776 void
6823ad7a25b1 implement local option for warnings John W. Eaton <jwe@octave.org> parents: 15337 diff changeset	777 octave_user_function::restore_warning_states (void)
6823ad7a25b1 implement local option for warnings John W. Eaton <jwe@octave.org> parents: 15337 diff changeset	778 {
6823ad7a25b1 implement local option for warnings John W. Eaton <jwe@octave.org> parents: 15337 diff changeset	779 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	780
6823ad7a25b1 implement local option for warnings John W. Eaton <jwe@octave.org> parents: 15337 diff changeset	781 if (val.is_defined ())
6823ad7a25b1 implement local option for warnings John W. Eaton <jwe@octave.org> parents: 15337 diff changeset	782 {
20589 b10432a40432 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20536 diff changeset	783 // Fail spectacularly if .saved_warning_states. is not an
b10432a40432 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20536 diff changeset	784 // octave_map (or octave_scalar_map) object.
15427 6823ad7a25b1 implement local option for warnings John W. Eaton <jwe@octave.org> parents: 15337 diff changeset	785
17612 4669cfca69a0 avoid crash when restoring warning states (bug #40199) John W. Eaton <jwe@octave.org> parents: 17281 diff changeset	786 if (! val.is_map ())
15427 6823ad7a25b1 implement local option for warnings John W. Eaton <jwe@octave.org> parents: 15337 diff changeset	787 panic_impossible ();
6823ad7a25b1 implement local option for warnings John W. Eaton <jwe@octave.org> parents: 15337 diff changeset	788
17612 4669cfca69a0 avoid crash when restoring warning states (bug #40199) John W. Eaton <jwe@octave.org> parents: 17281 diff changeset	789 octave_map m = val.map_value ();
4669cfca69a0 avoid crash when restoring warning states (bug #40199) John W. Eaton <jwe@octave.org> parents: 17281 diff changeset	790
15427 6823ad7a25b1 implement local option for warnings John W. Eaton <jwe@octave.org> parents: 15337 diff changeset	791 Cell ids = m.contents ("identifier");
6823ad7a25b1 implement local option for warnings John W. Eaton <jwe@octave.org> parents: 15337 diff changeset	792 Cell states = m.contents ("state");
6823ad7a25b1 implement local option for warnings John W. Eaton <jwe@octave.org> parents: 15337 diff changeset	793
6823ad7a25b1 implement local option for warnings John W. Eaton <jwe@octave.org> parents: 15337 diff changeset	794 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	795 Fwarning (ovl (states(i), ids(i)));
6823ad7a25b1 implement local option for warnings John W. Eaton <jwe@octave.org> parents: 15337 diff changeset	796 }
6823ad7a25b1 implement local option for warnings John W. Eaton <jwe@octave.org> parents: 15337 diff changeset	797 }
6823ad7a25b1 implement local option for warnings John W. Eaton <jwe@octave.org> parents: 15337 diff changeset	798
4700 ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	799 DEFUN (nargin, args, ,
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17757 diff changeset	800 "-- texinfo --\n\
10840 89f4d7e294cc Grammarcheck .cc files Rik <octave@nomad.inbox5.com> parents: 10832 diff changeset	801 @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	802 @deftypefnx {Built-in Function} {} nargin (@var{fcn})\n\
19229 23519ad614da inputname.m: Overhaul function. Rik <rik@octave.org> parents: 18915 diff changeset	803 Report the number of input arguments to a function.\n\
23519ad614da inputname.m: Overhaul function. Rik <rik@octave.org> parents: 18915 diff changeset	804 \n\
23519ad614da inputname.m: Overhaul function. Rik <rik@octave.org> parents: 18915 diff changeset	805 Called from within a function, return the number of arguments passed to the\n\
23519ad614da inputname.m: Overhaul function. Rik <rik@octave.org> parents: 18915 diff changeset	806 function. At the top level, return the number of command line arguments\n\
23519ad614da inputname.m: Overhaul function. Rik <rik@octave.org> parents: 18915 diff changeset	807 passed to Octave.\n\
14136 20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	808 \n\
18533 ea0d4dea1a17 doc: Update documentation for functions in octave-value dir. Rik <rik@octave.org> parents: 17787 diff changeset	809 If called with the optional argument @var{fcn}---a function name or handle---\n\
14136 20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	810 return the declared number of arguments that the function can accept.\n\
18533 ea0d4dea1a17 doc: Update documentation for functions in octave-value dir. Rik <rik@octave.org> parents: 17787 diff changeset	811 \n\
ea0d4dea1a17 doc: Update documentation for functions in octave-value dir. Rik <rik@octave.org> parents: 17787 diff changeset	812 If the last argument to @var{fcn} is @var{varargin} the returned value is\n\
ea0d4dea1a17 doc: Update documentation for functions in octave-value dir. Rik <rik@octave.org> parents: 17787 diff changeset	813 negative. For example, the function @code{union} for sets is declared as\n\
ea0d4dea1a17 doc: Update documentation for functions in octave-value dir. Rik <rik@octave.org> parents: 17787 diff changeset	814 \n\
ea0d4dea1a17 doc: Update documentation for functions in octave-value dir. Rik <rik@octave.org> parents: 17787 diff changeset	815 @example\n\
ea0d4dea1a17 doc: Update documentation for functions in octave-value dir. Rik <rik@octave.org> parents: 17787 diff changeset	816 @group\n\
ea0d4dea1a17 doc: Update documentation for functions in octave-value dir. Rik <rik@octave.org> parents: 17787 diff changeset	817 function [y, ia, ib] = union (a, b, varargin)\n\
ea0d4dea1a17 doc: Update documentation for functions in octave-value dir. Rik <rik@octave.org> parents: 17787 diff changeset	818 \n\
ea0d4dea1a17 doc: Update documentation for functions in octave-value dir. Rik <rik@octave.org> parents: 17787 diff changeset	819 and\n\
ea0d4dea1a17 doc: Update documentation for functions in octave-value dir. Rik <rik@octave.org> parents: 17787 diff changeset	820 \n\
ea0d4dea1a17 doc: Update documentation for functions in octave-value dir. Rik <rik@octave.org> parents: 17787 diff changeset	821 nargin (\"union\")\n\
ea0d4dea1a17 doc: Update documentation for functions in octave-value dir. Rik <rik@octave.org> parents: 17787 diff changeset	822 @result{} -3\n\
ea0d4dea1a17 doc: Update documentation for functions in octave-value dir. Rik <rik@octave.org> parents: 17787 diff changeset	823 @end group\n\
ea0d4dea1a17 doc: Update documentation for functions in octave-value dir. Rik <rik@octave.org> parents: 17787 diff changeset	824 @end example\n\
ea0d4dea1a17 doc: Update documentation for functions in octave-value dir. Rik <rik@octave.org> parents: 17787 diff changeset	825 \n\
ea0d4dea1a17 doc: Update documentation for functions in octave-value dir. Rik <rik@octave.org> parents: 17787 diff changeset	826 Programming Note: @code{nargin} does not work on built-in functions.\n\
19229 23519ad614da inputname.m: Overhaul function. Rik <rik@octave.org> parents: 18915 diff changeset	827 @seealso{nargout, narginchk, varargin, inputname}\n\
4700 ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	828 @end deftypefn")
ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	829 {
ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	830 octave_value retval;
ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	831
ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	832 int nargin = args.length ();
ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	833
ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	834 if (nargin == 1)
ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	835 {
14136 20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	836 octave_value func = args(0);
4700 ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	837
14136 20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	838 if (func.is_string ())
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	839 {
14136 20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	840 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	841 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	842 if (func.is_undefined ())
20533 19617a5b7202 Fix regression in displayed error message for nargin and nargout. Rik <rik@octave.org> parents: 20198 diff changeset	843 {
19617a5b7202 Fix regression in displayed error message for nargin and nargout. Rik <rik@octave.org> parents: 20198 diff changeset	844 error ("nargin: invalid function name: %s", name.c_str ());
19617a5b7202 Fix regression in displayed error message for nargin and nargout. Rik <rik@octave.org> parents: 20198 diff changeset	845 return retval;
19617a5b7202 Fix regression in displayed error message for nargin and nargout. Rik <rik@octave.org> parents: 20198 diff changeset	846 }
14136 20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	847 }
13785 daf81e42960c allow nargin to work for functions that are not already loaded John W. Eaton <jwe@octave.org> parents: 13749 diff changeset	848
14136 20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	849 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	850 if (fcn_val)
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 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	853
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	854 if (fcn)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	855 {
14136 20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	856 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	857
20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	858 retval = param_list ? param_list->length () : 0;
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	859 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	860 retval = -1 - retval;
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	861 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	862 else
13785 daf81e42960c allow nargin to work for functions that are not already loaded John W. Eaton <jwe@octave.org> parents: 13749 diff changeset	863 {
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17757 diff changeset	864 // Matlab gives up for histc,
175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17757 diff changeset	865 // so maybe it's ok that that we give up somtimes too?
18915 4cdab2973171 maint: Fix some spellings in error messages. Rik <rik@octave.org> parents: 18795 diff changeset	866 error ("nargin: nargin information not available for built-in functions");
13785 daf81e42960c allow nargin to work for functions that are not already loaded John W. Eaton <jwe@octave.org> parents: 13749 diff changeset	867 }
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	868 }
4700 ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	869 else
14136 20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	870 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	871 }
ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	872 else if (nargin == 0)
ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	873 {
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	874 retval = symbol_table::varval (".nargin.");
4700 ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	875
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	876 if (retval.is_undefined ())
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	877 retval = 0;
4700 ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	878 }
ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	879 else
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5794 diff changeset	880 print_usage ();
4700 ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	881
ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	882 return retval;
ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	883 }
ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	884
ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	885 DEFUN (nargout, args, ,
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17757 diff changeset	886 "-- texinfo --\n\
10840 89f4d7e294cc Grammarcheck .cc files Rik <octave@nomad.inbox5.com> parents: 10832 diff changeset	887 @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	888 @deftypefnx {Built-in Function} {} nargout (@var{fcn})\n\
19229 23519ad614da inputname.m: Overhaul function. Rik <rik@octave.org> parents: 18915 diff changeset	889 Report the number of output arguments from a function.\n\
23519ad614da inputname.m: Overhaul function. Rik <rik@octave.org> parents: 18915 diff changeset	890 \n\
23519ad614da inputname.m: Overhaul function. Rik <rik@octave.org> parents: 18915 diff changeset	891 Called from within a function, return the number of values the caller expects\n\
23519ad614da inputname.m: Overhaul function. Rik <rik@octave.org> parents: 18915 diff changeset	892 to receive. At the top level, @code{nargout} with no argument is undefined\n\
23519ad614da inputname.m: Overhaul function. Rik <rik@octave.org> parents: 18915 diff changeset	893 and will produce an error.\n\
23519ad614da inputname.m: Overhaul function. Rik <rik@octave.org> parents: 18915 diff changeset	894 \n\
23519ad614da inputname.m: Overhaul function. Rik <rik@octave.org> parents: 18915 diff changeset	895 If called with the optional argument @var{fcn}---a function name or\n\
23519ad614da inputname.m: Overhaul function. Rik <rik@octave.org> parents: 18915 diff changeset	896 handle---return the number of declared output values that the function can\n\
23519ad614da inputname.m: Overhaul function. Rik <rik@octave.org> parents: 18915 diff changeset	897 produce.\n\
23519ad614da inputname.m: Overhaul function. Rik <rik@octave.org> parents: 18915 diff changeset	898 \n\
23519ad614da inputname.m: Overhaul function. Rik <rik@octave.org> parents: 18915 diff changeset	899 If the final output argument is @var{varargout} the returned value is\n\
23519ad614da inputname.m: Overhaul function. Rik <rik@octave.org> parents: 18915 diff changeset	900 negative.\n\
4700 ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	901 \n\
ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	902 For example,\n\
ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	903 \n\
ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	904 @example\n\
ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	905 f ()\n\
ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	906 @end example\n\
ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	907 \n\
ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	908 @noindent\n\
4704 e1b71baef20c [project @ 2004-01-22 04:03:21 by jwe] jwe parents: 4700 diff changeset	909 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	910 \n\
ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	911 @example\n\
ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	912 [s, t] = f ()\n\
ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	913 @end example\n\
ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	914 \n\
ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	915 @noindent\n\
18533 ea0d4dea1a17 doc: Update documentation for functions in octave-value dir. Rik <rik@octave.org> parents: 17787 diff changeset	916 will cause @code{nargout} to return 2 inside the function @code{f}.\n\
4700 ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	917 \n\
14136 20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	918 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	919 \n\
20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	920 @example\n\
17757 dae2230227a7 doc: Use double-quote in preference to single quote in code examples. Rik <rik@octave.org> parents: 17744 diff changeset	921 nargout (@@histc) \% or nargout (\"histc\")\n\
14136 20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	922 @end example\n\
20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	923 \n\
14366 b76f0740940e doc: Periodic grammar check of documentation. Rik <octave@nomad.inbox5.com> parents: 14328 diff changeset	924 @noindent\n\
14136 20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	925 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	926 \n\
20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	927 @example\n\
18533 ea0d4dea1a17 doc: Update documentation for functions in octave-value dir. Rik <rik@octave.org> parents: 17787 diff changeset	928 nargout (@@imread)\n\
14136 20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	929 @end example\n\
20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	930 \n\
14366 b76f0740940e doc: Periodic grammar check of documentation. Rik <octave@nomad.inbox5.com> parents: 14328 diff changeset	931 @noindent\n\
18533 ea0d4dea1a17 doc: Update documentation for functions in octave-value dir. Rik <rik@octave.org> parents: 17787 diff changeset	932 will return -2, because @code{imread} has two outputs and the second is\n\
ea0d4dea1a17 doc: Update documentation for functions in octave-value dir. Rik <rik@octave.org> parents: 17787 diff changeset	933 @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	934 \n\
19229 23519ad614da inputname.m: Overhaul function. Rik <rik@octave.org> parents: 18915 diff changeset	935 Programming Note. @code{nargout} does not work for built-in functions and\n\
18533 ea0d4dea1a17 doc: Update documentation for functions in octave-value dir. Rik <rik@octave.org> parents: 17787 diff changeset	936 returns -1 for all anonymous functions.\n\
19229 23519ad614da inputname.m: Overhaul function. Rik <rik@octave.org> parents: 18915 diff changeset	937 @seealso{nargin, varargout, isargout, nthargout}\n\
4700 ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	938 @end deftypefn")
ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	939 {
ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	940 octave_value retval;
ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	941
ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	942 int nargin = args.length ();
ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	943
ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	944 if (nargin == 1)
ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	945 {
14136 20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	946 octave_value func = args(0);
4700 ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	947
14136 20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	948 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	949 {
20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	950 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	951 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	952 if (func.is_undefined ())
20533 19617a5b7202 Fix regression in displayed error message for nargin and nargout. Rik <rik@octave.org> parents: 20198 diff changeset	953 {
19617a5b7202 Fix regression in displayed error message for nargin and nargout. Rik <rik@octave.org> parents: 20198 diff changeset	954 error ("nargout: invalid function name: %s", name.c_str ());
19617a5b7202 Fix regression in displayed error message for nargin and nargout. Rik <rik@octave.org> parents: 20198 diff changeset	955 return retval;
19617a5b7202 Fix regression in displayed error message for nargin and nargout. Rik <rik@octave.org> parents: 20198 diff changeset	956 }
14136 20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	957 }
20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	958
20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	959 if (func.is_inline_function ())
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	960 {
14136 20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	961 retval = 1;
20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	962 return retval;
20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	963 }
20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	964
20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	965 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	966 {
20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	967 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	968 std::string fh_nm = fh->fcn_name ();
4930 bdb307dc8613 [project @ 2004-08-05 04:55:26 by jwe] jwe parents: 4929 diff changeset	969
14136 20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	970 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	971 {
20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	972 retval = -1;
20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	973 return retval;
20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	974 }
20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	975 }
20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	976
20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	977 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	978 if (fcn_val)
20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	979 {
20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	980 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	981
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	982 if (fcn)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	983 {
14136 20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	984 tree_parameter_list *ret_list = fcn->return_list ();
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17757 diff changeset	985
14136 20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	986 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	987
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	988 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	989 retval = -1 - retval;
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	990 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	991 else
14136 20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	992 {
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17757 diff changeset	993 // JWE said this information is not available (2011-03-10)
14136 20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	994 // without making intrusive changes to Octave.
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17757 diff changeset	995 // Matlab gives up for histc,
175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17757 diff changeset	996 // so maybe it's ok that we give up somtimes too?
18915 4cdab2973171 maint: Fix some spellings in error messages. Rik <rik@octave.org> parents: 18795 diff changeset	997 error ("nargout: nargout information not available for built-in functions.");
14136 20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	998 }
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	999 }
4700 ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	1000 else
14136 20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	1001 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	1002 }
ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	1003 else if (nargin == 0)
ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	1004 {
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	1005 if (! symbol_table::at_top_level ())
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1006 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1007 retval = symbol_table::varval (".nargout.");
4700 ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	1008
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1009 if (retval.is_undefined ())
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1010 retval = 0;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1011 }
4700 ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	1012 else
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1013 error ("nargout: invalid call at top level");
4700 ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	1014 }
ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	1015 else
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5794 diff changeset	1016 print_usage ();
4700 ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	1017
ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	1018 return retval;
ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	1019 }
ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	1020
9522 e79470be3ecb implement subsasgn this-arg optimization Jaroslav Hajek <highegg@gmail.com> parents: 9396 diff changeset	1021 DEFUN (optimize_subsasgn_calls, args, nargout,
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17757 diff changeset	1022 "-- texinfo --\n\
10840 89f4d7e294cc Grammarcheck .cc files Rik <octave@nomad.inbox5.com> parents: 10832 diff changeset	1023 @deftypefn {Built-in Function} {@var{val} =} optimize_subsasgn_calls ()\n\
89f4d7e294cc Grammarcheck .cc files Rik <octave@nomad.inbox5.com> parents: 10832 diff changeset	1024 @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	1025 @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	1026 Query or set the internal flag for subsasgn method call optimizations.\n\
18533 ea0d4dea1a17 doc: Update documentation for functions in octave-value dir. Rik <rik@octave.org> parents: 17787 diff changeset	1027 \n\
9522 e79470be3ecb implement subsasgn this-arg optimization Jaroslav Hajek <highegg@gmail.com> parents: 9396 diff changeset	1028 If true, Octave will attempt to eliminate the redundant copying when calling\n\
18533 ea0d4dea1a17 doc: Update documentation for functions in octave-value dir. Rik <rik@octave.org> parents: 17787 diff changeset	1029 the 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	1030 \n\
17281 bc924baa2c4e doc: Add new @qcode macro for code samples which are quoted. Rik <rik@octave.org> parents: 16856 diff changeset	1031 When called from inside a function with the @qcode{\"local\"} option, the\n\
20198 075a5e2e1ba5 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19731 diff changeset	1032 variable is changed locally for the function and any subroutines it calls.\n\
17281 bc924baa2c4e doc: Add new @qcode macro for code samples which are quoted. Rik <rik@octave.org> parents: 16856 diff changeset	1033 The original 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	1034 @end deftypefn")
e79470be3ecb implement subsasgn this-arg optimization Jaroslav Hajek <highegg@gmail.com> parents: 9396 diff changeset	1035 {
e79470be3ecb implement subsasgn this-arg optimization Jaroslav Hajek <highegg@gmail.com> parents: 9396 diff changeset	1036 return SET_INTERNAL_VARIABLE (optimize_subsasgn_calls);
e79470be3ecb implement subsasgn this-arg optimization Jaroslav Hajek <highegg@gmail.com> parents: 9396 diff changeset	1037 }
10832 1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	1038
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	1039 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	1040 {
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	1041 if (table.is_empty ())
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	1042 return false;
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	1043
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	1044 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	1045 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	1046 }
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	1047
10847 7fa3c8e43357 change is_ignored_output to isargout Jaroslav Hajek <highegg@gmail.com> parents: 10846 diff changeset	1048 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	1049 {
7fa3c8e43357 change is_ignored_output to isargout Jaroslav Hajek <highegg@gmail.com> parents: 10846 diff changeset	1050 if (k != xround (k) \|\| k <= 0)
7fa3c8e43357 change is_ignored_output to isargout Jaroslav Hajek <highegg@gmail.com> parents: 10846 diff changeset	1051 {
12483 7a5aacf65f81 Rewrite error strings in src/ to use variables named in documentation. Rik <octave@nomad.inbox5.com> parents: 11586 diff changeset	1052 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	1053 return false;
7fa3c8e43357 change is_ignored_output to isargout Jaroslav Hajek <highegg@gmail.com> parents: 10846 diff changeset	1054 }
7fa3c8e43357 change is_ignored_output to isargout Jaroslav Hajek <highegg@gmail.com> parents: 10846 diff changeset	1055 else
7fa3c8e43357 change is_ignored_output to isargout Jaroslav Hajek <highegg@gmail.com> parents: 10846 diff changeset	1056 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	1057 }
7fa3c8e43357 change is_ignored_output to isargout Jaroslav Hajek <highegg@gmail.com> parents: 10846 diff changeset	1058
7fa3c8e43357 change is_ignored_output to isargout Jaroslav Hajek <highegg@gmail.com> parents: 10846 diff changeset	1059 DEFUN (isargout, args, ,
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17757 diff changeset	1060 "-- texinfo --\n\
10847 7fa3c8e43357 change is_ignored_output to isargout Jaroslav Hajek <highegg@gmail.com> parents: 10846 diff changeset	1061 @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	1062 Within a function, return a logical value indicating whether the argument\n\
19229 23519ad614da inputname.m: Overhaul function. Rik <rik@octave.org> parents: 18915 diff changeset	1063 @var{k} will be assigned to a variable on output.\n\
23519ad614da inputname.m: Overhaul function. Rik <rik@octave.org> parents: 18915 diff changeset	1064 \n\
23519ad614da inputname.m: Overhaul function. Rik <rik@octave.org> parents: 18915 diff changeset	1065 If the result is false, the argument has been ignored during the function\n\
23519ad614da inputname.m: Overhaul function. Rik <rik@octave.org> parents: 18915 diff changeset	1066 call through the use of the tilde (~) special output argument. Functions\n\
23519ad614da inputname.m: Overhaul function. Rik <rik@octave.org> parents: 18915 diff changeset	1067 can use @code{isargout} to avoid performing unnecessary calculations for\n\
23519ad614da inputname.m: Overhaul function. Rik <rik@octave.org> parents: 18915 diff changeset	1068 outputs which are unwanted.\n\
11431 0d9640d755b1 Improve docstrings for all isXXX functions. Rik <octave@nomad.inbox5.com> parents: 11304 diff changeset	1069 \n\
14861 f7afecdd87ef maint: Use Octave coding conventions for cuddling parentheses in src/ directory Rik <octave@nomad.inbox5.com> parents: 14573 diff changeset	1070 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	1071 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	1072 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	1073 @code{isargout} returns an error.\n\
19229 23519ad614da inputname.m: Overhaul function. Rik <rik@octave.org> parents: 18915 diff changeset	1074 @seealso{nargout, varargout, nthargout}\n\
10832 1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	1075 @end deftypefn")
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	1076 {
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	1077 octave_value retval;
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	1078
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	1079 int nargin = args.length ();
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	1080
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	1081 if (nargin == 1)
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	1082 {
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	1083 if (! symbol_table::at_top_level ())
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	1084 {
10847 7fa3c8e43357 change is_ignored_output to isargout Jaroslav Hajek <highegg@gmail.com> parents: 10846 diff changeset	1085 int nargout1 = symbol_table::varval (".nargout.").int_value ();
7fa3c8e43357 change is_ignored_output to isargout Jaroslav Hajek <highegg@gmail.com> parents: 10846 diff changeset	1086 if (error_state)
7fa3c8e43357 change is_ignored_output to isargout Jaroslav Hajek <highegg@gmail.com> parents: 10846 diff changeset	1087 {
7fa3c8e43357 change is_ignored_output to isargout Jaroslav Hajek <highegg@gmail.com> parents: 10846 diff changeset	1088 error ("isargout: internal error");
7fa3c8e43357 change is_ignored_output to isargout Jaroslav Hajek <highegg@gmail.com> parents: 10846 diff changeset	1089 return retval;
7fa3c8e43357 change is_ignored_output to isargout Jaroslav Hajek <highegg@gmail.com> parents: 10846 diff changeset	1090 }
7fa3c8e43357 change is_ignored_output to isargout Jaroslav Hajek <highegg@gmail.com> parents: 10846 diff changeset	1091
10832 1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	1092 Matrix ignored;
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	1093 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	1094 if (tmp.is_defined ())
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	1095 ignored = tmp.matrix_value ();
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	1096
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	1097 if (args(0).is_scalar_type ())
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	1098 {
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	1099 double k = args(0).double_value ();
20589 b10432a40432 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20536 diff changeset	1100
b10432a40432 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20536 diff changeset	1101 retval = isargout1 (nargout1, ignored, k);
10832 1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	1102 }
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	1103 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	1104 {
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	1105 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	1106
20589 b10432a40432 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20536 diff changeset	1107 boolNDArray r (ka.dims ());
b10432a40432 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20536 diff changeset	1108 for (octave_idx_type i = 0;
b10432a40432 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20536 diff changeset	1109 i < ka.numel () && ! error_state;
b10432a40432 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20536 diff changeset	1110 i++)
b10432a40432 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20536 diff changeset	1111 r(i) = isargout1 (nargout1, ignored, ka(i));
b10432a40432 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20536 diff changeset	1112
b10432a40432 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20536 diff changeset	1113 retval = r;
10832 1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	1114 }
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	1115 else
10847 7fa3c8e43357 change is_ignored_output to isargout Jaroslav Hajek <highegg@gmail.com> parents: 10846 diff changeset	1116 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	1117 }
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	1118 else
10847 7fa3c8e43357 change is_ignored_output to isargout Jaroslav Hajek <highegg@gmail.com> parents: 10846 diff changeset	1119 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	1120 }
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	1121 else
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	1122 print_usage ();
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	1123
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	1124 return retval;
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	1125 }
14571 6131fead3135 ensure isargout is not sticky John W. Eaton <jwe@octave.org> parents: 14138 diff changeset	1126
6131fead3135 ensure isargout is not sticky John W. Eaton <jwe@octave.org> parents: 14138 diff changeset	1127 /*
6131fead3135 ensure isargout is not sticky John W. Eaton <jwe@octave.org> parents: 14138 diff changeset	1128 %!function [x, y] = try_isargout ()
6131fead3135 ensure isargout is not sticky John W. Eaton <jwe@octave.org> parents: 14138 diff changeset	1129 %! if (isargout (1))
6131fead3135 ensure isargout is not sticky John W. Eaton <jwe@octave.org> parents: 14138 diff changeset	1130 %! if (isargout (2))
6131fead3135 ensure isargout is not sticky John W. Eaton <jwe@octave.org> parents: 14138 diff changeset	1131 %! x = 1; y = 2;
6131fead3135 ensure isargout is not sticky John W. Eaton <jwe@octave.org> parents: 14138 diff changeset	1132 %! else
6131fead3135 ensure isargout is not sticky John W. Eaton <jwe@octave.org> parents: 14138 diff changeset	1133 %! x = -1;
6131fead3135 ensure isargout is not sticky John W. Eaton <jwe@octave.org> parents: 14138 diff changeset	1134 %! endif
6131fead3135 ensure isargout is not sticky John W. Eaton <jwe@octave.org> parents: 14138 diff changeset	1135 %! else
6131fead3135 ensure isargout is not sticky John W. Eaton <jwe@octave.org> parents: 14138 diff changeset	1136 %! if (isargout (2))
6131fead3135 ensure isargout is not sticky John W. Eaton <jwe@octave.org> parents: 14138 diff changeset	1137 %! y = -2;
6131fead3135 ensure isargout is not sticky John W. Eaton <jwe@octave.org> parents: 14138 diff changeset	1138 %! else
6131fead3135 ensure isargout is not sticky John W. Eaton <jwe@octave.org> parents: 14138 diff changeset	1139 %! error ("no outputs requested");
6131fead3135 ensure isargout is not sticky John W. Eaton <jwe@octave.org> parents: 14138 diff changeset	1140 %! endif
6131fead3135 ensure isargout is not sticky John W. Eaton <jwe@octave.org> parents: 14138 diff changeset	1141 %! endif
6131fead3135 ensure isargout is not sticky John W. Eaton <jwe@octave.org> parents: 14138 diff changeset	1142 %!endfunction
6131fead3135 ensure isargout is not sticky John W. Eaton <jwe@octave.org> parents: 14138 diff changeset	1143 %!
6131fead3135 ensure isargout is not sticky John W. Eaton <jwe@octave.org> parents: 14138 diff changeset	1144 %!test
6131fead3135 ensure isargout is not sticky John W. Eaton <jwe@octave.org> parents: 14138 diff changeset	1145 %! [x, y] = try_isargout ();
6131fead3135 ensure isargout is not sticky John W. Eaton <jwe@octave.org> parents: 14138 diff changeset	1146 %! assert ([x, y], [1, 2]);
6131fead3135 ensure isargout is not sticky John W. Eaton <jwe@octave.org> parents: 14138 diff changeset	1147 %!
6131fead3135 ensure isargout is not sticky John W. Eaton <jwe@octave.org> parents: 14138 diff changeset	1148 %!test
6131fead3135 ensure isargout is not sticky John W. Eaton <jwe@octave.org> parents: 14138 diff changeset	1149 %! [x, ~] = try_isargout ();
6131fead3135 ensure isargout is not sticky John W. Eaton <jwe@octave.org> parents: 14138 diff changeset	1150 %! assert (x, -1);
6131fead3135 ensure isargout is not sticky John W. Eaton <jwe@octave.org> parents: 14138 diff changeset	1151 %!
6131fead3135 ensure isargout is not sticky John W. Eaton <jwe@octave.org> parents: 14138 diff changeset	1152 %!test
6131fead3135 ensure isargout is not sticky John W. Eaton <jwe@octave.org> parents: 14138 diff changeset	1153 %! [~, y] = try_isargout ();
6131fead3135 ensure isargout is not sticky John W. Eaton <jwe@octave.org> parents: 14138 diff changeset	1154 %! assert (y, -2);
6131fead3135 ensure isargout is not sticky John W. Eaton <jwe@octave.org> parents: 14138 diff changeset	1155 %!
6131fead3135 ensure isargout is not sticky John W. Eaton <jwe@octave.org> parents: 14138 diff changeset	1156 %!error [~, ~] = try_isargout ();
6131fead3135 ensure isargout is not sticky John W. Eaton <jwe@octave.org> parents: 14138 diff changeset	1157 %!
6131fead3135 ensure isargout is not sticky John W. Eaton <jwe@octave.org> parents: 14138 diff changeset	1158 %% Check to see that isargout isn't sticky:
6131fead3135 ensure isargout is not sticky John W. Eaton <jwe@octave.org> parents: 14138 diff changeset	1159 %!test
6131fead3135 ensure isargout is not sticky John W. Eaton <jwe@octave.org> parents: 14138 diff changeset	1160 %! [x, y] = try_isargout ();
6131fead3135 ensure isargout is not sticky John W. Eaton <jwe@octave.org> parents: 14138 diff changeset	1161 %! 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	1162 %!
1785493171ac pass lvalue_list to more subsref calls (bug #38374) John W. Eaton <jwe@octave.org> parents: 15582 diff changeset	1163 %% It should work without ():
1785493171ac pass lvalue_list to more subsref calls (bug #38374) John W. Eaton <jwe@octave.org> parents: 15582 diff changeset	1164 %!test
1785493171ac pass lvalue_list to more subsref calls (bug #38374) John W. Eaton <jwe@octave.org> parents: 15582 diff changeset	1165 %! [~, y] = try_isargout;
1785493171ac pass lvalue_list to more subsref calls (bug #38374) John W. Eaton <jwe@octave.org> parents: 15582 diff changeset	1166 %! assert (y, -2);
1785493171ac pass lvalue_list to more subsref calls (bug #38374) John W. Eaton <jwe@octave.org> parents: 15582 diff changeset	1167 %!
1785493171ac pass lvalue_list to more subsref calls (bug #38374) John W. Eaton <jwe@octave.org> parents: 15582 diff changeset	1168 %% 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	1169 %% 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	1170 %!test
1785493171ac pass lvalue_list to more subsref calls (bug #38374) John W. Eaton <jwe@octave.org> parents: 15582 diff changeset	1171 %! fh = @try_isargout;
1785493171ac pass lvalue_list to more subsref calls (bug #38374) John W. Eaton <jwe@octave.org> parents: 15582 diff changeset	1172 %! af = @() try_isargout;
1785493171ac pass lvalue_list to more subsref calls (bug #38374) John W. Eaton <jwe@octave.org> parents: 15582 diff changeset	1173 %! c = {fh, af};
1785493171ac pass lvalue_list to more subsref calls (bug #38374) John W. Eaton <jwe@octave.org> parents: 15582 diff changeset	1174 %! [~, y] = fh ();
1785493171ac pass lvalue_list to more subsref calls (bug #38374) John W. Eaton <jwe@octave.org> parents: 15582 diff changeset	1175 %! assert (y, -2);
1785493171ac pass lvalue_list to more subsref calls (bug #38374) John W. Eaton <jwe@octave.org> parents: 15582 diff changeset	1176 %! [~, y] = af ();
1785493171ac pass lvalue_list to more subsref calls (bug #38374) John W. Eaton <jwe@octave.org> parents: 15582 diff changeset	1177 %! assert (y, -2);
1785493171ac pass lvalue_list to more subsref calls (bug #38374) John W. Eaton <jwe@octave.org> parents: 15582 diff changeset	1178 %! [~, y] = c{1}();
1785493171ac pass lvalue_list to more subsref calls (bug #38374) John W. Eaton <jwe@octave.org> parents: 15582 diff changeset	1179 %! assert (y, -2);
1785493171ac pass lvalue_list to more subsref calls (bug #38374) John W. Eaton <jwe@octave.org> parents: 15582 diff changeset	1180 %! [~, y] = c{2}();
1785493171ac pass lvalue_list to more subsref calls (bug #38374) John W. Eaton <jwe@octave.org> parents: 15582 diff changeset	1181 %! assert (y, -2);
14571 6131fead3135 ensure isargout is not sticky John W. Eaton <jwe@octave.org> parents: 14138 diff changeset	1182 */

Mercurial > octave-nkf

annotate libinterp/octave-value/ov-usr-fcn.cc @ 20619:eef93a493ce3