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

annotate libinterp/octave-value/ov-usr-fcn.cc @ 20533:19617a5b7202 stable

Fix regression in displayed error message for nargin and nargout. * ov-usr-fcn.cc (nargin, nargout): After printing error message, use 'return retval' to immediately break out of the function.

author	Rik <rik@octave.org>
date	Tue, 22 Sep 2015 03:08:14 -0700
parents	075a5e2e1ba5
children	1f330d33388f

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
10001 6918d86add73 Print script filename in script indexing errors David Grundberg <davidg@cs.umu.se> parents: 9646 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
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	133 if (! error_state)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	134 {
7715 5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7589 diff changeset	135 if (args.length () == 0 && nargout == 0)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	136 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	137 if (cmd_list)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	138 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	139 frame.protect_var (call_depth);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	140 call_depth++;
7715 5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7589 diff changeset	141
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	142 if (call_depth < Vmax_recursion_depth)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	143 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	144 octave_call_stack::push (this);
7715 5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7589 diff changeset	145
10066 2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 10001 diff changeset	146 frame.add_fcn (octave_call_stack::pop);
7715 5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7589 diff changeset	147
11304 c9fefa096ce2 echo commands in scripts John W. Eaton <jwe@octave.org> parents: 10848 diff changeset	148 frame.protect_var (tree_evaluator::statement_context);
c9fefa096ce2 echo commands in scripts John W. Eaton <jwe@octave.org> parents: 10848 diff changeset	149 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	150
19361 91cd85a75705 Reduce profiling overhead using inlining and templates. Julien Bect <julien.bect@supelec.fr> parents: 18740 diff changeset	151 BEGIN_PROFILER_BLOCK (octave_user_script)
91cd85a75705 Reduce profiling overhead using inlining and templates. Julien Bect <julien.bect@supelec.fr> parents: 18740 diff changeset	152
12960 43d78e103984 Use macro to start profiler blocks. Daniel Kraft <d@domob.eu> parents: 12920 diff changeset	153 cmd_list->accept (*current_evaluator);
19361 91cd85a75705 Reduce profiling overhead using inlining and templates. Julien Bect <julien.bect@supelec.fr> parents: 18740 diff changeset	154
12960 43d78e103984 Use macro to start profiler blocks. Daniel Kraft <d@domob.eu> parents: 12920 diff changeset	155 END_PROFILER_BLOCK
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	156
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	157 if (tree_return_command::returning)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	158 tree_return_command::returning = 0;
7715 5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7589 diff changeset	159
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	160 if (tree_break_command::breaking)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	161 tree_break_command::breaking--;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	162 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	163 else
10578 cb0883127251 limit on recursion via calls to source function John W. Eaton <jwe@octave.org> parents: 10315 diff changeset	164 ::error ("max_recursion_depth exceeded");
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	165 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	166 }
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	167 else
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	168 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	169 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	170
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	171 return retval;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	172 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	173
7715 5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7589 diff changeset	174 void
5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7589 diff changeset	175 octave_user_script::accept (tree_walker& tw)
5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7589 diff changeset	176 {
5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7589 diff changeset	177 tw.visit_octave_user_script (*this);
5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7589 diff changeset	178 }
5b4d278ec828 parse scripts completely before executing John W. Eaton <jwe@octave.org> parents: 7589 diff changeset	179
2974 ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	180 // User defined functions.
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	181
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	182
3219 30770ba4457a [project @ 1998-11-13 03:44:31 by jwe] jwe parents: 3178 diff changeset	183 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	184 "user-defined function",
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	185 "user-defined function");
2974 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 // Ugh. This really needs to be simplified (code/data?
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	188 // extrinsic/intrinsic state?).
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	189
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	190 octave_user_function::octave_user_function
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	191 (symbol_table::scope_id sid, tree_parameter_list *pl,
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	192 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	193 : octave_user_code (std::string (), std::string ()),
2974 ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	194 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	195 lead_comm (), trail_comm (), file_name (),
12783 ad9263d965dc First experimental profiler implementation with flat profile. Daniel Kraft <d@domob.eu> parents: 12546 diff changeset	196 location_line (0), location_column (0),
6323 ea65de49e18e [project @ 2007-02-17 02:51:02 by jwe] jwe parents: 6149 diff changeset	197 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	198 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	199 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	200 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	201 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	202 anonymous_function (false), nested_function (false),
15869 5e5705b3e505 Implement some embryonic handle-classdef semantic. Michael Goffioul <michael.goffioul@gmail.com> parents: 15582 diff changeset	203 class_constructor (none), class_method (false),
14544 be18c9e359bf Nested function support (bug #35772) Max Brister <max@2bass.com> parents: 14366 diff changeset	204 parent_scope (-1), local_scope (sid),
10637 9cd5aa83fa62 implement 'local' parameter to pseudo-variables Jaroslav Hajek <highegg@gmail.com> parents: 10578 diff changeset	205 curr_unwind_protect_frame (0)
15337 3f43e9d6d86e JIT compile anonymous functions Max Brister <max@2bass.com> parents: 15236 diff changeset	206 #ifdef HAVE_LLVM
3f43e9d6d86e JIT compile anonymous functions Max Brister <max@2bass.com> parents: 15236 diff changeset	207 , jit_info (0)
3f43e9d6d86e JIT compile anonymous functions Max Brister <max@2bass.com> parents: 15236 diff changeset	208 #endif
7736 a059b5679fbb implement dbstack John W. Eaton <jwe@octave.org> parents: 7731 diff changeset	209 {
a059b5679fbb implement dbstack John W. Eaton <jwe@octave.org> parents: 7731 diff changeset	210 if (cmd_list)
a059b5679fbb implement dbstack John W. Eaton <jwe@octave.org> parents: 7731 diff changeset	211 cmd_list->mark_as_function_body ();
9639 8d79f36ebdde store scope->function pointer Jaroslav Hajek <highegg@gmail.com> parents: 9529 diff changeset	212
8d79f36ebdde store scope->function pointer Jaroslav Hajek <highegg@gmail.com> parents: 9529 diff changeset	213 if (local_scope >= 0)
8d79f36ebdde store scope->function pointer Jaroslav Hajek <highegg@gmail.com> parents: 9529 diff changeset	214 symbol_table::set_curr_fcn (this, local_scope);
7736 a059b5679fbb implement dbstack John W. Eaton <jwe@octave.org> parents: 7731 diff changeset	215 }
2974 ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	216
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	217 octave_user_function::~octave_user_function (void)
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	218 {
16530 7ca7e7d5eb91 remove breakpoints when clearing function John W. Eaton <jwe@octave.org> parents: 16442 diff changeset	219 if (cmd_list)
7ca7e7d5eb91 remove breakpoints when clearing function John W. Eaton <jwe@octave.org> parents: 16442 diff changeset	220 cmd_list->remove_all_breakpoints (file_name);
7ca7e7d5eb91 remove breakpoints when clearing function John W. Eaton <jwe@octave.org> parents: 16442 diff changeset	221
2974 ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	222 delete param_list;
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	223 delete ret_list;
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	224 delete cmd_list;
3665 0689afb1d001 [project @ 2000-05-11 19:07:56 by jwe] jwe parents: 3565 diff changeset	225 delete lead_comm;
0689afb1d001 [project @ 2000-05-11 19:07:56 by jwe] jwe parents: 3565 diff changeset	226 delete trail_comm;
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	227
15337 3f43e9d6d86e JIT compile anonymous functions Max Brister <max@2bass.com> parents: 15236 diff changeset	228 #ifdef HAVE_LLVM
3f43e9d6d86e JIT compile anonymous functions Max Brister <max@2bass.com> parents: 15236 diff changeset	229 delete jit_info;
3f43e9d6d86e JIT compile anonymous functions Max Brister <max@2bass.com> parents: 15236 diff changeset	230 #endif
3f43e9d6d86e JIT compile anonymous functions Max Brister <max@2bass.com> parents: 15236 diff changeset	231
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17757 diff changeset	232 // FIXME: this is really playing with fire.
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	233 symbol_table::erase_scope (local_scope);
2974 ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	234 }
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 octave_user_function *
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	237 octave_user_function::define_ret_list (tree_parameter_list *t)
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	238 {
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	239 ret_list = t;
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 return this;
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	242 }
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	243
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	244 void
4343 db5e0814277a [project @ 2003-02-20 16:44:16 by jwe] jwe parents: 4280 diff changeset	245 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	246 {
4343 db5e0814277a [project @ 2003-02-20 16:44:16 by jwe] jwe parents: 4280 diff changeset	247 file_name = nm;
2974 ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	248 }
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	249
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	250 // 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	251 // 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	252 // 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	253 // 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	254 // 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	255 // 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	256 // 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	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 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	259 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	260 {
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 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	262 {
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 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	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 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	266 && 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	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 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	269 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	270
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 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	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 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	274 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	275
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 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	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 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	279 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	280 }
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 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	282 {
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 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	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 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	286 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	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 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	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 }
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 }
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 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	295 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	296 {
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 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	298
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 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	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 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	302 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	303 {
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 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	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 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	307 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	308 }
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
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	311 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	312 }
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	313
12783 ad9263d965dc First experimental profiler implementation with flat profile. Daniel Kraft <d@domob.eu> parents: 12546 diff changeset	314 std::string
ad9263d965dc First experimental profiler implementation with flat profile. Daniel Kraft <d@domob.eu> parents: 12546 diff changeset	315 octave_user_function::profiler_name (void) const
ad9263d965dc First experimental profiler implementation with flat profile. Daniel Kraft <d@domob.eu> parents: 12546 diff changeset	316 {
ad9263d965dc First experimental profiler implementation with flat profile. Daniel Kraft <d@domob.eu> parents: 12546 diff changeset	317 std::ostringstream result;
ad9263d965dc First experimental profiler implementation with flat profile. Daniel Kraft <d@domob.eu> parents: 12546 diff changeset	318
18786 e70373a98ffe Change profile() to report method names of classes (bug #38480). Rik <rik@octave.org> parents: 18626 diff changeset	319 if (is_anonymous_function ())
12783 ad9263d965dc First experimental profiler implementation with flat profile. Daniel Kraft <d@domob.eu> parents: 12546 diff changeset	320 result << "anonymous@" << fcn_file_name ()
ad9263d965dc First experimental profiler implementation with flat profile. Daniel Kraft <d@domob.eu> parents: 12546 diff changeset	321 << ":" << location_line << ":" << location_column;
ad9263d965dc First experimental profiler implementation with flat profile. Daniel Kraft <d@domob.eu> parents: 12546 diff changeset	322 else if (is_subfunction ())
ad9263d965dc First experimental profiler implementation with flat profile. Daniel Kraft <d@domob.eu> parents: 12546 diff changeset	323 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	324 else if (is_class_method ())
e70373a98ffe Change profile() to report method names of classes (bug #38480). Rik <rik@octave.org> parents: 18626 diff changeset	325 result << "@" << dispatch_class () << "/" << name ();
e70373a98ffe Change profile() to report method names of classes (bug #38480). Rik <rik@octave.org> parents: 18626 diff changeset	326 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	327 result << "@" << name ();
e70373a98ffe Change profile() to report method names of classes (bug #38480). Rik <rik@octave.org> parents: 18626 diff changeset	328 else if (is_inline_function ())
e70373a98ffe Change profile() to report method names of classes (bug #38480). Rik <rik@octave.org> parents: 18626 diff changeset	329 result << "inline@" << fcn_file_name ()
e70373a98ffe Change profile() to report method names of classes (bug #38480). Rik <rik@octave.org> parents: 18626 diff changeset	330 << ":" << location_line << ":" << location_column;
12783 ad9263d965dc First experimental profiler implementation with flat profile. Daniel Kraft <d@domob.eu> parents: 12546 diff changeset	331 else
ad9263d965dc First experimental profiler implementation with flat profile. Daniel Kraft <d@domob.eu> parents: 12546 diff changeset	332 result << name ();
ad9263d965dc First experimental profiler implementation with flat profile. Daniel Kraft <d@domob.eu> parents: 12546 diff changeset	333
ad9263d965dc First experimental profiler implementation with flat profile. Daniel Kraft <d@domob.eu> parents: 12546 diff changeset	334 return result.str ();
ad9263d965dc First experimental profiler implementation with flat profile. Daniel Kraft <d@domob.eu> parents: 12546 diff changeset	335 }
ad9263d965dc First experimental profiler implementation with flat profile. Daniel Kraft <d@domob.eu> parents: 12546 diff changeset	336
2974 ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	337 void
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	338 octave_user_function::mark_as_system_fcn_file (void)
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	339 {
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	340 if (! file_name.empty ())
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	341 {
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	342 // 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	343 // 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	344 // FIXME
2974 ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	345 //
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	346 // 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	347 // 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	348 // function file is parsed, it probably doesn't matter that
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	349 // much.
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	350
3523 b80bbb43a1a9 [project @ 2000-02-02 10:25:52 by jwe] jwe parents: 3489 diff changeset	351 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	352
3565 4290f11c8d3b [project @ 2000-02-03 08:32:41 by jwe] jwe parents: 3544 diff changeset	353 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	354 system_fcn_file = true;
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 else
14866 2309812f428e Use explicit false and true instead of 0 and 1 Jordi Gutiérrez Hermoso <jordigh@octave.org> parents: 14861 diff changeset	357 system_fcn_file = false;
2974 ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	358 }
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 bool
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	361 octave_user_function::takes_varargs (void) const
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	362 {
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	363 return (param_list && param_list->takes_varargs ());
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	364 }
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 bool
415ae81d331b [project @ 2006-06-08 20:37:29 by jwe] jwe parents: 5823 diff changeset	367 octave_user_function::takes_var_return (void) const
2974 ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	368 {
5848 415ae81d331b [project @ 2006-06-08 20:37:29 by jwe] jwe parents: 5823 diff changeset	369 return (ret_list && ret_list->takes_varargs ());
2974 ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	370 }
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	371
7761 5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7752 diff changeset	372 void
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7752 diff changeset	373 octave_user_function::lock_subfunctions (void)
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 symbol_table::lock_subfunctions (local_scope);
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7752 diff changeset	376 }
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 void
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7752 diff changeset	379 octave_user_function::unlock_subfunctions (void)
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7752 diff changeset	380 {
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7752 diff changeset	381 symbol_table::unlock_subfunctions (local_scope);
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7752 diff changeset	382 }
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7752 diff changeset	383
16596 645672f1c873 handle setting breakpoints in subfunctions in GUI editor John W. Eaton <jwe@octave.org> parents: 16530 diff changeset	384 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	385 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	386 {
645672f1c873 handle setting breakpoints in subfunctions in GUI editor John W. Eaton <jwe@octave.org> parents: 16530 diff changeset	387 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	388 }
645672f1c873 handle setting breakpoints in subfunctions in GUI editor John W. Eaton <jwe@octave.org> parents: 16530 diff changeset	389
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	390 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	391 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	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 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	394 }
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
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 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	397 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	398 (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	399 {
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	400 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	401 }
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	402
2974 ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	403 octave_value_list
9522 e79470be3ecb implement subsasgn this-arg optimization Jaroslav Hajek <highegg@gmail.com> parents: 9396 diff changeset	404 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	405 {
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	406 octave_value_list retval;
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	407
9522 e79470be3ecb implement subsasgn this-arg optimization Jaroslav Hajek <highegg@gmail.com> parents: 9396 diff changeset	408 octave_idx_type n = args.length () - num_named_args;
2974 ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	409
3178 09a3064a3a17 [project @ 1998-06-23 03:46:42 by jwe] jwe parents: 3165 diff changeset	410 if (n > 0)
9522 e79470be3ecb implement subsasgn this-arg optimization Jaroslav Hajek <highegg@gmail.com> parents: 9396 diff changeset	411 retval = args.slice (num_named_args, n);
2974 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 return retval;
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	414 }
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	415
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	416 octave_value_list
4247 fc9a075d10fb [project @ 2002-12-30 23:05:27 by jwe] jwe parents: 4245 diff changeset	417 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	418 const std::list<octave_value_list>& idx,
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	419 int nargout)
3933 f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe] jwe parents: 3876 diff changeset	420 {
10832 1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	421 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	422 }
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	423
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	424 octave_value_list
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	425 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	426 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	427 int nargout,
175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17757 diff changeset	428 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	429 {
3933 f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe] jwe parents: 3876 diff changeset	430 octave_value_list retval;
f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe] jwe parents: 3876 diff changeset	431
f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe] jwe parents: 3876 diff changeset	432 switch (type[0])
f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe] jwe parents: 3876 diff changeset	433 {
f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe] jwe parents: 3876 diff changeset	434 case '(':
5154 9cb38bfb04ea [project @ 2005-02-21 21:23:28 by jwe] jwe parents: 5105 diff changeset	435 {
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	436 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	437
10832 1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	438 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	439 idx.size () == 1 ? lvalue_list : 0);
5154 9cb38bfb04ea [project @ 2005-02-21 21:23:28 by jwe] jwe parents: 5105 diff changeset	440 }
3933 f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe] jwe parents: 3876 diff changeset	441 break;
f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe] jwe parents: 3876 diff changeset	442
f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe] jwe parents: 3876 diff changeset	443 case '{':
f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe] jwe parents: 3876 diff changeset	444 case '.':
f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe] jwe parents: 3876 diff changeset	445 {
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	446 std::string nm = type_name ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	447 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	448 }
f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe] jwe parents: 3876 diff changeset	449 break;
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 default:
f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe] jwe parents: 3876 diff changeset	452 panic_impossible ();
f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe] jwe parents: 3876 diff changeset	453 }
f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe] jwe parents: 3876 diff changeset	454
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17757 diff changeset	455 // FIXME: perhaps there should be an
4059 db58c1a1e6ce [project @ 2002-09-18 07:21:12 by jwe] jwe parents: 3975 diff changeset	456 // octave_value_list::next_subsref member function? See also
db58c1a1e6ce [project @ 2002-09-18 07:21:12 by jwe] jwe parents: 3975 diff changeset	457 // octave_builtin::subsref.
3933 f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe] jwe parents: 3876 diff changeset	458
4219 23d06c9e1edd [project @ 2002-12-06 21:29:17 by jwe] jwe parents: 4207 diff changeset	459 if (idx.size () > 1)
4994 48d0defe9445 [project @ 2004-09-15 20:31:31 by jwe] jwe parents: 4987 diff changeset	460 retval = retval(0).next_subsref (nargout, type, idx);
4059 db58c1a1e6ce [project @ 2002-09-18 07:21:12 by jwe] jwe parents: 3975 diff changeset	461
db58c1a1e6ce [project @ 2002-09-18 07:21:12 by jwe] jwe parents: 3975 diff changeset	462 return retval;
3933 f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe] jwe parents: 3876 diff changeset	463 }
f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe] jwe parents: 3876 diff changeset	464
f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe] jwe parents: 3876 diff changeset	465 octave_value_list
3544 71bd2d124119 [project @ 2000-02-02 21:02:31 by jwe] jwe parents: 3523 diff changeset	466 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	467 const octave_value_list& args)
2974 ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	468 {
10832 1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	469 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	470 }
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	471
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	472 octave_value_list
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	473 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	474 const octave_value_list& _args,
10832 1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	475 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	476 {
2974 ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	477 octave_value_list retval;
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	478
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	479 if (error_state)
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	480 return retval;
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	481
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	482 if (! cmd_list)
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	483 return retval;
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	484
15869 5e5705b3e505 Implement some embryonic handle-classdef semantic. Michael Goffioul <michael.goffioul@gmail.com> parents: 15582 diff changeset	485 // 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	486 // 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	487
5e5705b3e505 Implement some embryonic handle-classdef semantic. Michael Goffioul <michael.goffioul@gmail.com> parents: 15582 diff changeset	488 octave_value_list args (_args);
5e5705b3e505 Implement some embryonic handle-classdef semantic. Michael Goffioul <michael.goffioul@gmail.com> parents: 15582 diff changeset	489 octave_value_list ret_args;
5e5705b3e505 Implement some embryonic handle-classdef semantic. Michael Goffioul <michael.goffioul@gmail.com> parents: 15582 diff changeset	490
5e5705b3e505 Implement some embryonic handle-classdef semantic. Michael Goffioul <michael.goffioul@gmail.com> parents: 15582 diff changeset	491 if (is_classdef_constructor ())
5e5705b3e505 Implement some embryonic handle-classdef semantic. Michael Goffioul <michael.goffioul@gmail.com> parents: 15582 diff changeset	492 {
5e5705b3e505 Implement some embryonic handle-classdef semantic. Michael Goffioul <michael.goffioul@gmail.com> parents: 15582 diff changeset	493 if (args.length () > 0)
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 ret_args = args.slice (0, 1, true);
5e5705b3e505 Implement some embryonic handle-classdef semantic. Michael Goffioul <michael.goffioul@gmail.com> parents: 15582 diff changeset	496 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	497 }
5e5705b3e505 Implement some embryonic handle-classdef semantic. Michael Goffioul <michael.goffioul@gmail.com> parents: 15582 diff changeset	498 else
5e5705b3e505 Implement some embryonic handle-classdef semantic. Michael Goffioul <michael.goffioul@gmail.com> parents: 15582 diff changeset	499 panic_impossible ();
5e5705b3e505 Implement some embryonic handle-classdef semantic. Michael Goffioul <michael.goffioul@gmail.com> parents: 15582 diff changeset	500 }
5e5705b3e505 Implement some embryonic handle-classdef semantic. Michael Goffioul <michael.goffioul@gmail.com> parents: 15582 diff changeset	501
15337 3f43e9d6d86e JIT compile anonymous functions Max Brister <max@2bass.com> parents: 15236 diff changeset	502 #ifdef HAVE_LLVM
15582 52df2e7baabe Disable JIT when breakpoints are present Max Brister <max@2bass.com> parents: 15427 diff changeset	503 if (is_special_expr ()
15337 3f43e9d6d86e JIT compile anonymous functions Max Brister <max@2bass.com> parents: 15236 diff changeset	504 && tree_jit::execute (*this, args, retval))
3f43e9d6d86e JIT compile anonymous functions Max Brister <max@2bass.com> parents: 15236 diff changeset	505 return retval;
3f43e9d6d86e JIT compile anonymous functions Max Brister <max@2bass.com> parents: 15236 diff changeset	506 #endif
3f43e9d6d86e JIT compile anonymous functions Max Brister <max@2bass.com> parents: 15236 diff changeset	507
2974 ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	508 int nargin = args.length ();
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	509
10066 2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 10001 diff changeset	510 unwind_protect frame;
2974 ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	511
10066 2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 10001 diff changeset	512 frame.protect_var (call_depth);
2974 ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	513 call_depth++;
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	514
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7736 diff changeset	515 if (call_depth >= Vmax_recursion_depth)
3131 9c5160c83bd2 [project @ 1998-01-29 04:46:33 by jwe] jwe parents: 3014 diff changeset	516 {
10578 cb0883127251 limit on recursion via calls to source function John W. Eaton <jwe@octave.org> parents: 10315 diff changeset	517 ::error ("max_recursion_depth exceeded");
3131 9c5160c83bd2 [project @ 1998-01-29 04:46:33 by jwe] jwe parents: 3014 diff changeset	518 return retval;
9c5160c83bd2 [project @ 1998-01-29 04:46:33 by jwe] jwe parents: 3014 diff changeset	519 }
9c5160c83bd2 [project @ 1998-01-29 04:46:33 by jwe] jwe parents: 3014 diff changeset	520
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	521 // Save old and set current symbol table context, for
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	522 // eval_undefined_error().
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	523
14544 be18c9e359bf Nested function support (bug #35772) Max Brister <max@2bass.com> parents: 14366 diff changeset	524 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	525
19078011cdc3 fix problem with recursion and anonymous functions (bug #31371) John W. Eaton <jwe@octave.org> parents: 14139 diff changeset	526 octave_call_stack::push (this, local_scope, context);
10066 2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 10001 diff changeset	527 frame.add_fcn (octave_call_stack::pop);
7901 3e4c9b69069d call stack changes John W. Eaton <jwe@octave.org> parents: 7761 diff changeset	528
14328 19078011cdc3 fix problem with recursion and anonymous functions (bug #31371) John W. Eaton <jwe@octave.org> parents: 14139 diff changeset	529 if (call_depth > 0 && ! is_anonymous_function ())
2974 ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	530 {
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	531 symbol_table::push_context ();
2974 ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	532
10066 2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 10001 diff changeset	533 frame.add_fcn (symbol_table::pop_context);
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	534 }
2974 ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	535
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	536 string_vector arg_names = args.name_tags ();
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	537
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	538 if (param_list && ! param_list->varargs_only ())
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	539 {
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	540 param_list->define_from_arg_vector (args);
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	541 if (error_state)
10066 2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 10001 diff changeset	542 return retval;
2974 ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	543 }
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	544
15869 5e5705b3e505 Implement some embryonic handle-classdef semantic. Michael Goffioul <michael.goffioul@gmail.com> parents: 15582 diff changeset	545 // 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	546 // 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	547
5e5705b3e505 Implement some embryonic handle-classdef semantic. Michael Goffioul <michael.goffioul@gmail.com> parents: 15582 diff changeset	548 if (is_classdef_constructor ())
5e5705b3e505 Implement some embryonic handle-classdef semantic. Michael Goffioul <michael.goffioul@gmail.com> parents: 15582 diff changeset	549 {
5e5705b3e505 Implement some embryonic handle-classdef semantic. Michael Goffioul <michael.goffioul@gmail.com> parents: 15582 diff changeset	550 if (ret_list)
5e5705b3e505 Implement some embryonic handle-classdef semantic. Michael Goffioul <michael.goffioul@gmail.com> parents: 15582 diff changeset	551 {
5e5705b3e505 Implement some embryonic handle-classdef semantic. Michael Goffioul <michael.goffioul@gmail.com> parents: 15582 diff changeset	552 ret_list->define_from_arg_vector (ret_args);
5e5705b3e505 Implement some embryonic handle-classdef semantic. Michael Goffioul <michael.goffioul@gmail.com> parents: 15582 diff changeset	553 if (error_state)
5e5705b3e505 Implement some embryonic handle-classdef semantic. Michael Goffioul <michael.goffioul@gmail.com> parents: 15582 diff changeset	554 return retval;
5e5705b3e505 Implement some embryonic handle-classdef semantic. Michael Goffioul <michael.goffioul@gmail.com> parents: 15582 diff changeset	555 }
5e5705b3e505 Implement some embryonic handle-classdef semantic. Michael Goffioul <michael.goffioul@gmail.com> parents: 15582 diff changeset	556 else
5e5705b3e505 Implement some embryonic handle-classdef semantic. Michael Goffioul <michael.goffioul@gmail.com> parents: 15582 diff changeset	557 {
5e5705b3e505 Implement some embryonic handle-classdef semantic. Michael Goffioul <michael.goffioul@gmail.com> parents: 15582 diff changeset	558 ::error ("%s: invalid classdef constructor, no output argument defined",
5e5705b3e505 Implement some embryonic handle-classdef semantic. Michael Goffioul <michael.goffioul@gmail.com> parents: 15582 diff changeset	559 dispatch_class ().c_str ());
5e5705b3e505 Implement some embryonic handle-classdef semantic. Michael Goffioul <michael.goffioul@gmail.com> parents: 15582 diff changeset	560 return retval;
5e5705b3e505 Implement some embryonic handle-classdef semantic. Michael Goffioul <michael.goffioul@gmail.com> parents: 15582 diff changeset	561 }
5e5705b3e505 Implement some embryonic handle-classdef semantic. Michael Goffioul <michael.goffioul@gmail.com> parents: 15582 diff changeset	562 }
5e5705b3e505 Implement some embryonic handle-classdef semantic. Michael Goffioul <michael.goffioul@gmail.com> parents: 15582 diff changeset	563
3239 d54ef0aa6e82 [project @ 1999-03-27 17:40:45 by jwe] jwe parents: 3219 diff changeset	564 // 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	565 // 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	566 // variables that are also named function parameters.
d54ef0aa6e82 [project @ 1999-03-27 17:40:45 by jwe] jwe parents: 3219 diff changeset	567
9396 17af7cce7d1b yet more unwind_protect improvements Jaroslav Hajek <highegg@gmail.com> parents: 9377 diff changeset	568 if (param_list)
10066 2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 10001 diff changeset	569 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	570
d54ef0aa6e82 [project @ 1999-03-27 17:40:45 by jwe] jwe parents: 3219 diff changeset	571 // 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	572 // 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	573 // 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	574
9396 17af7cce7d1b yet more unwind_protect improvements Jaroslav Hajek <highegg@gmail.com> parents: 9377 diff changeset	575 if (ret_list)
10066 2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 10001 diff changeset	576 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	577
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	578 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	579 {
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	580 // 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	581 // 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	582 //
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	583 // 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	584 // 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	585 // 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	586 // 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	587 // 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	588 // 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	589
10066 2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 10001 diff changeset	590 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	591 }
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	592
10832 1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	593 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	594 lvalue_list);
2974 ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	595
15427 6823ad7a25b1 implement local option for warnings John W. Eaton <jwe@octave.org> parents: 15337 diff changeset	596 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	597
10066 2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 10001 diff changeset	598 bool echo_commands = (Vecho_executing_commands & ECHO_FUNCTIONS);
2974 ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	599
10066 2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 10001 diff changeset	600 if (echo_commands)
2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 10001 diff changeset	601 print_code_function_header ();
2974 ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	602
10637 9cd5aa83fa62 implement 'local' parameter to pseudo-variables Jaroslav Hajek <highegg@gmail.com> parents: 10578 diff changeset	603 // 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	604 // 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	605 // 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	606 frame.protect_var (curr_unwind_protect_frame);
9cd5aa83fa62 implement 'local' parameter to pseudo-variables Jaroslav Hajek <highegg@gmail.com> parents: 10578 diff changeset	607 curr_unwind_protect_frame = &frame;
9cd5aa83fa62 implement 'local' parameter to pseudo-variables Jaroslav Hajek <highegg@gmail.com> parents: 10578 diff changeset	608
10066 2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 10001 diff changeset	609 // Evaluate the commands that make up the function.
2974 ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	610
11304 c9fefa096ce2 echo commands in scripts John W. Eaton <jwe@octave.org> parents: 10848 diff changeset	611 frame.protect_var (tree_evaluator::statement_context);
c9fefa096ce2 echo commands in scripts John W. Eaton <jwe@octave.org> parents: 10848 diff changeset	612 tree_evaluator::statement_context = tree_evaluator::function;
3489 cbee5fbb696d [project @ 2000-01-28 09:14:32 by jwe] jwe parents: 3445 diff changeset	613
19361 91cd85a75705 Reduce profiling overhead using inlining and templates. Julien Bect <julien.bect@supelec.fr> parents: 18740 diff changeset	614 BEGIN_PROFILER_BLOCK (octave_user_function)
6657 86354a8cd6a7 [project @ 2007-05-23 04:35:04 by jwe] jwe parents: 6591 diff changeset	615
15337 3f43e9d6d86e JIT compile anonymous functions Max Brister <max@2bass.com> parents: 15236 diff changeset	616 if (is_special_expr ())
12960 43d78e103984 Use macro to start profiler blocks. Daniel Kraft <d@domob.eu> parents: 12920 diff changeset	617 {
15337 3f43e9d6d86e JIT compile anonymous functions Max Brister <max@2bass.com> parents: 15236 diff changeset	618 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	619
15337 3f43e9d6d86e JIT compile anonymous functions Max Brister <max@2bass.com> parents: 15236 diff changeset	620 if (expr)
16091 1785493171ac pass lvalue_list to more subsref calls (bug #38374) John W. Eaton <jwe@octave.org> parents: 15582 diff changeset	621 retval = (lvalue_list
1785493171ac pass lvalue_list to more subsref calls (bug #38374) John W. Eaton <jwe@octave.org> parents: 15582 diff changeset	622 ? 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	623 : expr->rvalue (nargout));
12960 43d78e103984 Use macro to start profiler blocks. Daniel Kraft <d@domob.eu> parents: 12920 diff changeset	624 }
43d78e103984 Use macro to start profiler blocks. Daniel Kraft <d@domob.eu> parents: 12920 diff changeset	625 else
43d78e103984 Use macro to start profiler blocks. Daniel Kraft <d@domob.eu> parents: 12920 diff changeset	626 cmd_list->accept (*current_evaluator);
43d78e103984 Use macro to start profiler blocks. Daniel Kraft <d@domob.eu> parents: 12920 diff changeset	627
43d78e103984 Use macro to start profiler blocks. Daniel Kraft <d@domob.eu> parents: 12920 diff changeset	628 END_PROFILER_BLOCK
2974 ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	629
10066 2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 10001 diff changeset	630 if (echo_commands)
2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 10001 diff changeset	631 print_code_function_trailer ();
2974 ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	632
10066 2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 10001 diff changeset	633 if (tree_return_command::returning)
2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 10001 diff changeset	634 tree_return_command::returning = 0;
2974 ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	635
10066 2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 10001 diff changeset	636 if (tree_break_command::breaking)
2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 10001 diff changeset	637 tree_break_command::breaking--;
2974 ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	638
10066 2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 10001 diff changeset	639 if (error_state)
19449 972abb60c30f emit stack trace immediately at point of error John W. Eaton <jwe@octave.org> parents: 19362 diff changeset	640 return retval;
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11558 diff changeset	641
10066 2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 10001 diff changeset	642 // Copy return values out.
2974 ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	643
15337 3f43e9d6d86e JIT compile anonymous functions Max Brister <max@2bass.com> parents: 15236 diff changeset	644 if (ret_list && ! is_special_expr ())
10066 2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 10001 diff changeset	645 {
2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 10001 diff changeset	646 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	647
10066 2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 10001 diff changeset	648 Cell varargout;
6591 fc0218995ee7 [project @ 2007-04-27 02:17:34 by jwe] jwe parents: 6505 diff changeset	649
10066 2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 10001 diff changeset	650 if (ret_list->takes_varargs ())
2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 10001 diff changeset	651 {
2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 10001 diff changeset	652 octave_value varargout_varval = symbol_table::varval ("varargout");
5848 415ae81d331b [project @ 2006-06-08 20:37:29 by jwe] jwe parents: 5823 diff changeset	653
10066 2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 10001 diff changeset	654 if (varargout_varval.is_defined ())
2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 10001 diff changeset	655 {
2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 10001 diff changeset	656 varargout = varargout_varval.cell_value ();
5848 415ae81d331b [project @ 2006-06-08 20:37:29 by jwe] jwe parents: 5823 diff changeset	657
10066 2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 10001 diff changeset	658 if (error_state)
2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 10001 diff changeset	659 error ("expecting varargout to be a cell array object");
2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 10001 diff changeset	660 }
2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 10001 diff changeset	661 }
2974 ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	662
10066 2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 10001 diff changeset	663 if (! error_state)
2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 10001 diff changeset	664 retval = ret_list->convert_to_const_vector (nargout, varargout);
2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 10001 diff changeset	665 }
2974 ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	666
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	667 return retval;
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	668 }
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	669
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	670 void
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	671 octave_user_function::accept (tree_walker& tw)
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	672 {
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	673 tw.visit_octave_user_function (*this);
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	674 }
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	675
15337 3f43e9d6d86e JIT compile anonymous functions Max Brister <max@2bass.com> parents: 15236 diff changeset	676 tree_expression *
3f43e9d6d86e JIT compile anonymous functions Max Brister <max@2bass.com> parents: 15236 diff changeset	677 octave_user_function::special_expr (void)
3f43e9d6d86e JIT compile anonymous functions Max Brister <max@2bass.com> parents: 15236 diff changeset	678 {
3f43e9d6d86e JIT compile anonymous functions Max Brister <max@2bass.com> parents: 15236 diff changeset	679 assert (is_special_expr ());
3f43e9d6d86e JIT compile anonymous functions Max Brister <max@2bass.com> parents: 15236 diff changeset	680 assert (cmd_list->length () == 1);
3f43e9d6d86e JIT compile anonymous functions Max Brister <max@2bass.com> parents: 15236 diff changeset	681
3f43e9d6d86e JIT compile anonymous functions Max Brister <max@2bass.com> parents: 15236 diff changeset	682 tree_statement *stmt = cmd_list->front ();
3f43e9d6d86e JIT compile anonymous functions Max Brister <max@2bass.com> parents: 15236 diff changeset	683 return stmt->expression ();
3f43e9d6d86e JIT compile anonymous functions Max Brister <max@2bass.com> parents: 15236 diff changeset	684 }
3f43e9d6d86e JIT compile anonymous functions Max Brister <max@2bass.com> parents: 15236 diff changeset	685
9522 e79470be3ecb implement subsasgn this-arg optimization Jaroslav Hajek <highegg@gmail.com> parents: 9396 diff changeset	686 bool
e79470be3ecb implement subsasgn this-arg optimization Jaroslav Hajek <highegg@gmail.com> parents: 9396 diff changeset	687 octave_user_function::subsasgn_optimization_ok (void)
e79470be3ecb implement subsasgn this-arg optimization Jaroslav Hajek <highegg@gmail.com> parents: 9396 diff changeset	688 {
e79470be3ecb implement subsasgn this-arg optimization Jaroslav Hajek <highegg@gmail.com> parents: 9396 diff changeset	689 bool retval = false;
e79470be3ecb implement subsasgn this-arg optimization Jaroslav Hajek <highegg@gmail.com> parents: 9396 diff changeset	690 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	691 && param_list && ret_list
9522 e79470be3ecb implement subsasgn this-arg optimization Jaroslav Hajek <highegg@gmail.com> parents: 9396 diff changeset	692 && param_list->length () > 0 && ! param_list->varargs_only ()
e79470be3ecb implement subsasgn this-arg optimization Jaroslav Hajek <highegg@gmail.com> parents: 9396 diff changeset	693 && ret_list->length () == 1 && ! ret_list->takes_varargs ())
e79470be3ecb implement subsasgn this-arg optimization Jaroslav Hajek <highegg@gmail.com> parents: 9396 diff changeset	694 {
e79470be3ecb implement subsasgn this-arg optimization Jaroslav Hajek <highegg@gmail.com> parents: 9396 diff changeset	695 tree_identifier *par1 = param_list->front ()->ident ();
e79470be3ecb implement subsasgn this-arg optimization Jaroslav Hajek <highegg@gmail.com> parents: 9396 diff changeset	696 tree_identifier *ret1 = ret_list->front ()->ident ();
e79470be3ecb implement subsasgn this-arg optimization Jaroslav Hajek <highegg@gmail.com> parents: 9396 diff changeset	697 retval = par1->name () == ret1->name ();
e79470be3ecb implement subsasgn this-arg optimization Jaroslav Hajek <highegg@gmail.com> parents: 9396 diff changeset	698 }
e79470be3ecb implement subsasgn this-arg optimization Jaroslav Hajek <highegg@gmail.com> parents: 9396 diff changeset	699
e79470be3ecb implement subsasgn this-arg optimization Jaroslav Hajek <highegg@gmail.com> parents: 9396 diff changeset	700 return retval;
e79470be3ecb implement subsasgn this-arg optimization Jaroslav Hajek <highegg@gmail.com> parents: 9396 diff changeset	701 }
e79470be3ecb implement subsasgn this-arg optimization Jaroslav Hajek <highegg@gmail.com> parents: 9396 diff changeset	702
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	703 #if 0
2974 ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	704 void
3933 f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe] jwe parents: 3876 diff changeset	705 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	706 {
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	707 symbol_table::print_info (os, local_scope);
3933 f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe] jwe parents: 3876 diff changeset	708 }
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	709 #endif
3933 f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe] jwe parents: 3876 diff changeset	710
f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe] jwe parents: 3876 diff changeset	711 void
2974 ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	712 octave_user_function::print_code_function_header (void)
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	713 {
5794 1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5775 diff changeset	714 tree_print_code tpc (octave_stdout, VPS4);
2974 ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	715
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	716 tpc.visit_octave_user_function_header (*this);
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	717 }
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	718
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	719 void
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	720 octave_user_function::print_code_function_trailer (void)
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	721 {
5794 1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5775 diff changeset	722 tree_print_code tpc (octave_stdout, VPS4);
2974 ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	723
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	724 tpc.visit_octave_user_function_trailer (*this);
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	725 }
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	726
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	727 void
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	728 octave_user_function::bind_automatic_vars
3974 e2290bf911f0 [project @ 2002-07-04 17:38:22 by jwe] jwe parents: 3933 diff changeset	729 (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	730 const octave_value_list& va_args,
175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17757 diff changeset	731 const std::list<octave_lvalue> *lvalue_list)
2974 ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	732 {
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	733 if (! arg_names.empty ())
11557 e9d72a3caa46 mark automatic variables as automatic John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	734 {
11558 1e4dfc7a9487 use .argn. to store argument names for inputname function John W. Eaton <jwe@octave.org> parents: 11557 diff changeset	735 // 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	736 // 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	737 // 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	738 // 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	739
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17757 diff changeset	740 symbol_table::force_assign ("argn",
175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17757 diff changeset	741 charMatrix (arg_names, Vstring_fill_char));
16442 302157614308 deprecate symbol_table::varref functions John W. Eaton <jwe@octave.org> parents: 16091 diff changeset	742 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	743
1e4dfc7a9487 use .argn. to store argument names for inputname function John W. Eaton <jwe@octave.org> parents: 11557 diff changeset	744 symbol_table::mark_hidden (".argn.");
11557 e9d72a3caa46 mark automatic variables as automatic John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	745
e9d72a3caa46 mark automatic variables as automatic John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	746 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	747 symbol_table::mark_automatic (".argn.");
11557 e9d72a3caa46 mark automatic variables as automatic John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	748 }
2974 ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	749
16442 302157614308 deprecate symbol_table::varref functions John W. Eaton <jwe@octave.org> parents: 16091 diff changeset	750 symbol_table::force_assign (".nargin.", nargin);
302157614308 deprecate symbol_table::varref functions John W. Eaton <jwe@octave.org> parents: 16091 diff changeset	751 symbol_table::force_assign (".nargout.", nargout);
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	752
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	753 symbol_table::mark_hidden (".nargin.");
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	754 symbol_table::mark_hidden (".nargout.");
3974 e2290bf911f0 [project @ 2002-07-04 17:38:22 by jwe] jwe parents: 3933 diff changeset	755
11557 e9d72a3caa46 mark automatic variables as automatic John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	756 symbol_table::mark_automatic (".nargin.");
e9d72a3caa46 mark automatic variables as automatic John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	757 symbol_table::mark_automatic (".nargout.");
e9d72a3caa46 mark automatic variables as automatic John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	758
16442 302157614308 deprecate symbol_table::varref functions John W. Eaton <jwe@octave.org> parents: 16091 diff changeset	759 symbol_table::assign (".saved_warning_states.");
15427 6823ad7a25b1 implement local option for warnings John W. Eaton <jwe@octave.org> parents: 15337 diff changeset	760
6823ad7a25b1 implement local option for warnings John W. Eaton <jwe@octave.org> parents: 15337 diff changeset	761 symbol_table::mark_automatic (".saved_warning_states.");
6823ad7a25b1 implement local option for warnings John W. Eaton <jwe@octave.org> parents: 15337 diff changeset	762 symbol_table::mark_automatic (".saved_warning_states.");
6823ad7a25b1 implement local option for warnings John W. Eaton <jwe@octave.org> parents: 15337 diff changeset	763
3974 e2290bf911f0 [project @ 2002-07-04 17:38:22 by jwe] jwe parents: 3933 diff changeset	764 if (takes_varargs ())
16442 302157614308 deprecate symbol_table::varref functions John W. Eaton <jwe@octave.org> parents: 16091 diff changeset	765 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	766
14571 6131fead3135 ensure isargout is not sticky John W. Eaton <jwe@octave.org> parents: 14138 diff changeset	767 // 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	768 symbol_table::assign (".ignored.");
14571 6131fead3135 ensure isargout is not sticky John W. Eaton <jwe@octave.org> parents: 14138 diff changeset	769
10832 1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	770 if (lvalue_list)
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	771 {
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	772 octave_idx_type nbh = 0;
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	773 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	774 p != lvalue_list->end (); p++)
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	775 nbh += p->is_black_hole ();
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	776
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	777 if (nbh > 0)
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	778 {
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	779 // 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	780 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	781 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	782 octave_idx_type l = 0;
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17757 diff changeset	783 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	784 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	785 {
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	786 if (p->is_black_hole ())
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	787 bh(l++) = k+1;
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	788 k += p->numel ();
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	789 }
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	790
16442 302157614308 deprecate symbol_table::varref functions John W. Eaton <jwe@octave.org> parents: 16091 diff changeset	791 symbol_table::assign (".ignored.", bh);
10832 1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	792 }
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	793 }
14571 6131fead3135 ensure isargout is not sticky John W. Eaton <jwe@octave.org> parents: 14138 diff changeset	794
6131fead3135 ensure isargout is not sticky John W. Eaton <jwe@octave.org> parents: 14138 diff changeset	795 symbol_table::mark_hidden (".ignored.");
6131fead3135 ensure isargout is not sticky John W. Eaton <jwe@octave.org> parents: 14138 diff changeset	796 symbol_table::mark_automatic (".ignored.");
2974 ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	797 }
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe] jwe parents: diff changeset	798
15427 6823ad7a25b1 implement local option for warnings John W. Eaton <jwe@octave.org> parents: 15337 diff changeset	799 void
6823ad7a25b1 implement local option for warnings John W. Eaton <jwe@octave.org> parents: 15337 diff changeset	800 octave_user_function::restore_warning_states (void)
6823ad7a25b1 implement local option for warnings John W. Eaton <jwe@octave.org> parents: 15337 diff changeset	801 {
6823ad7a25b1 implement local option for warnings John W. Eaton <jwe@octave.org> parents: 15337 diff changeset	802 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	803
6823ad7a25b1 implement local option for warnings John W. Eaton <jwe@octave.org> parents: 15337 diff changeset	804 if (val.is_defined ())
6823ad7a25b1 implement local option for warnings John W. Eaton <jwe@octave.org> parents: 15337 diff changeset	805 {
17612 4669cfca69a0 avoid crash when restoring warning states (bug #40199) John W. Eaton <jwe@octave.org> parents: 17281 diff changeset	806 // Don't use the usual approach of attempting to extract a value
4669cfca69a0 avoid crash when restoring warning states (bug #40199) John W. Eaton <jwe@octave.org> parents: 17281 diff changeset	807 // and then checking error_state since this code might be
4669cfca69a0 avoid crash when restoring warning states (bug #40199) John W. Eaton <jwe@octave.org> parents: 17281 diff changeset	808 // executing when error_state is already set. But do fail
4669cfca69a0 avoid crash when restoring warning states (bug #40199) John W. Eaton <jwe@octave.org> parents: 17281 diff changeset	809 // spectacularly if .saved_warning_states. is not an octave_map
4669cfca69a0 avoid crash when restoring warning states (bug #40199) John W. Eaton <jwe@octave.org> parents: 17281 diff changeset	810 // (or octave_scalar_map) object.
15427 6823ad7a25b1 implement local option for warnings John W. Eaton <jwe@octave.org> parents: 15337 diff changeset	811
17612 4669cfca69a0 avoid crash when restoring warning states (bug #40199) John W. Eaton <jwe@octave.org> parents: 17281 diff changeset	812 if (! val.is_map ())
15427 6823ad7a25b1 implement local option for warnings John W. Eaton <jwe@octave.org> parents: 15337 diff changeset	813 panic_impossible ();
6823ad7a25b1 implement local option for warnings John W. Eaton <jwe@octave.org> parents: 15337 diff changeset	814
17612 4669cfca69a0 avoid crash when restoring warning states (bug #40199) John W. Eaton <jwe@octave.org> parents: 17281 diff changeset	815 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	816
15427 6823ad7a25b1 implement local option for warnings John W. Eaton <jwe@octave.org> parents: 15337 diff changeset	817 Cell ids = m.contents ("identifier");
6823ad7a25b1 implement local option for warnings John W. Eaton <jwe@octave.org> parents: 15337 diff changeset	818 Cell states = m.contents ("state");
6823ad7a25b1 implement local option for warnings John W. Eaton <jwe@octave.org> parents: 15337 diff changeset	819
6823ad7a25b1 implement local option for warnings John W. Eaton <jwe@octave.org> parents: 15337 diff changeset	820 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	821 Fwarning (ovl (states(i), ids(i)));
6823ad7a25b1 implement local option for warnings John W. Eaton <jwe@octave.org> parents: 15337 diff changeset	822 }
6823ad7a25b1 implement local option for warnings John W. Eaton <jwe@octave.org> parents: 15337 diff changeset	823 }
6823ad7a25b1 implement local option for warnings John W. Eaton <jwe@octave.org> parents: 15337 diff changeset	824
4700 ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	825 DEFUN (nargin, args, ,
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17757 diff changeset	826 "-- texinfo --\n\
10840 89f4d7e294cc Grammarcheck .cc files Rik <octave@nomad.inbox5.com> parents: 10832 diff changeset	827 @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	828 @deftypefnx {Built-in Function} {} nargin (@var{fcn})\n\
19229 23519ad614da inputname.m: Overhaul function. Rik <rik@octave.org> parents: 18915 diff changeset	829 Report the number of input arguments to a function.\n\
23519ad614da inputname.m: Overhaul function. Rik <rik@octave.org> parents: 18915 diff changeset	830 \n\
23519ad614da inputname.m: Overhaul function. Rik <rik@octave.org> parents: 18915 diff changeset	831 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	832 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	833 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	834 \n\
18533 ea0d4dea1a17 doc: Update documentation for functions in octave-value dir. Rik <rik@octave.org> parents: 17787 diff changeset	835 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	836 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	837 \n\
ea0d4dea1a17 doc: Update documentation for functions in octave-value dir. Rik <rik@octave.org> parents: 17787 diff changeset	838 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	839 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	840 \n\
ea0d4dea1a17 doc: Update documentation for functions in octave-value dir. Rik <rik@octave.org> parents: 17787 diff changeset	841 @example\n\
ea0d4dea1a17 doc: Update documentation for functions in octave-value dir. Rik <rik@octave.org> parents: 17787 diff changeset	842 @group\n\
ea0d4dea1a17 doc: Update documentation for functions in octave-value dir. Rik <rik@octave.org> parents: 17787 diff changeset	843 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	844 \n\
ea0d4dea1a17 doc: Update documentation for functions in octave-value dir. Rik <rik@octave.org> parents: 17787 diff changeset	845 and\n\
ea0d4dea1a17 doc: Update documentation for functions in octave-value dir. Rik <rik@octave.org> parents: 17787 diff changeset	846 \n\
ea0d4dea1a17 doc: Update documentation for functions in octave-value dir. Rik <rik@octave.org> parents: 17787 diff changeset	847 nargin (\"union\")\n\
ea0d4dea1a17 doc: Update documentation for functions in octave-value dir. Rik <rik@octave.org> parents: 17787 diff changeset	848 @result{} -3\n\
ea0d4dea1a17 doc: Update documentation for functions in octave-value dir. Rik <rik@octave.org> parents: 17787 diff changeset	849 @end group\n\
ea0d4dea1a17 doc: Update documentation for functions in octave-value dir. Rik <rik@octave.org> parents: 17787 diff changeset	850 @end example\n\
ea0d4dea1a17 doc: Update documentation for functions in octave-value dir. Rik <rik@octave.org> parents: 17787 diff changeset	851 \n\
ea0d4dea1a17 doc: Update documentation for functions in octave-value dir. Rik <rik@octave.org> parents: 17787 diff changeset	852 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	853 @seealso{nargout, narginchk, varargin, inputname}\n\
4700 ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	854 @end deftypefn")
ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	855 {
ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	856 octave_value retval;
ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	857
ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	858 int nargin = args.length ();
ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	859
ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	860 if (nargin == 1)
ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	861 {
14136 20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	862 octave_value func = args(0);
4700 ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	863
14136 20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	864 if (func.is_string ())
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	865 {
14136 20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	866 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	867 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	868 if (func.is_undefined ())
20533 19617a5b7202 Fix regression in displayed error message for nargin and nargout. Rik <rik@octave.org> parents: 20198 diff changeset	869 {
19617a5b7202 Fix regression in displayed error message for nargin and nargout. Rik <rik@octave.org> parents: 20198 diff changeset	870 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	871 return retval;
19617a5b7202 Fix regression in displayed error message for nargin and nargout. Rik <rik@octave.org> parents: 20198 diff changeset	872 }
14136 20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	873 }
13785 daf81e42960c allow nargin to work for functions that are not already loaded John W. Eaton <jwe@octave.org> parents: 13749 diff changeset	874
14136 20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	875 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	876 if (fcn_val)
20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	877 {
20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	878 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	879
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	880 if (fcn)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	881 {
14136 20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	882 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	883
20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	884 retval = param_list ? param_list->length () : 0;
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	885 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	886 retval = -1 - retval;
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	887 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	888 else
13785 daf81e42960c allow nargin to work for functions that are not already loaded John W. Eaton <jwe@octave.org> parents: 13749 diff changeset	889 {
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17757 diff changeset	890 // Matlab gives up for histc,
175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17757 diff changeset	891 // 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	892 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	893 }
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	894 }
4700 ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	895 else
14136 20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	896 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	897 }
ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	898 else if (nargin == 0)
ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	899 {
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	900 retval = symbol_table::varval (".nargin.");
4700 ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	901
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	902 if (retval.is_undefined ())
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	903 retval = 0;
4700 ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	904 }
ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	905 else
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5794 diff changeset	906 print_usage ();
4700 ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	907
ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	908 return retval;
ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	909 }
ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	910
ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	911 DEFUN (nargout, args, ,
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17757 diff changeset	912 "-- texinfo --\n\
10840 89f4d7e294cc Grammarcheck .cc files Rik <octave@nomad.inbox5.com> parents: 10832 diff changeset	913 @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	914 @deftypefnx {Built-in Function} {} nargout (@var{fcn})\n\
19229 23519ad614da inputname.m: Overhaul function. Rik <rik@octave.org> parents: 18915 diff changeset	915 Report the number of output arguments from a function.\n\
23519ad614da inputname.m: Overhaul function. Rik <rik@octave.org> parents: 18915 diff changeset	916 \n\
23519ad614da inputname.m: Overhaul function. Rik <rik@octave.org> parents: 18915 diff changeset	917 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	918 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	919 and will produce an error.\n\
23519ad614da inputname.m: Overhaul function. Rik <rik@octave.org> parents: 18915 diff changeset	920 \n\
23519ad614da inputname.m: Overhaul function. Rik <rik@octave.org> parents: 18915 diff changeset	921 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	922 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	923 produce.\n\
23519ad614da inputname.m: Overhaul function. Rik <rik@octave.org> parents: 18915 diff changeset	924 \n\
23519ad614da inputname.m: Overhaul function. Rik <rik@octave.org> parents: 18915 diff changeset	925 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	926 negative.\n\
4700 ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	927 \n\
ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	928 For example,\n\
ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	929 \n\
ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	930 @example\n\
ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	931 f ()\n\
ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	932 @end example\n\
ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	933 \n\
ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	934 @noindent\n\
4704 e1b71baef20c [project @ 2004-01-22 04:03:21 by jwe] jwe parents: 4700 diff changeset	935 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	936 \n\
ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	937 @example\n\
ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	938 [s, t] = f ()\n\
ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	939 @end example\n\
ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	940 \n\
ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	941 @noindent\n\
18533 ea0d4dea1a17 doc: Update documentation for functions in octave-value dir. Rik <rik@octave.org> parents: 17787 diff changeset	942 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	943 \n\
14136 20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	944 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	945 \n\
20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	946 @example\n\
17757 dae2230227a7 doc: Use double-quote in preference to single quote in code examples. Rik <rik@octave.org> parents: 17744 diff changeset	947 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	948 @end example\n\
20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	949 \n\
14366 b76f0740940e doc: Periodic grammar check of documentation. Rik <octave@nomad.inbox5.com> parents: 14328 diff changeset	950 @noindent\n\
14136 20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	951 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	952 \n\
20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	953 @example\n\
18533 ea0d4dea1a17 doc: Update documentation for functions in octave-value dir. Rik <rik@octave.org> parents: 17787 diff changeset	954 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	955 @end example\n\
20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	956 \n\
14366 b76f0740940e doc: Periodic grammar check of documentation. Rik <octave@nomad.inbox5.com> parents: 14328 diff changeset	957 @noindent\n\
18533 ea0d4dea1a17 doc: Update documentation for functions in octave-value dir. Rik <rik@octave.org> parents: 17787 diff changeset	958 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	959 @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	960 \n\
19229 23519ad614da inputname.m: Overhaul function. Rik <rik@octave.org> parents: 18915 diff changeset	961 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	962 returns -1 for all anonymous functions.\n\
19229 23519ad614da inputname.m: Overhaul function. Rik <rik@octave.org> parents: 18915 diff changeset	963 @seealso{nargin, varargout, isargout, nthargout}\n\
4700 ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	964 @end deftypefn")
ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	965 {
ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	966 octave_value retval;
ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	967
ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	968 int nargin = args.length ();
ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	969
ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	970 if (nargin == 1)
ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	971 {
14136 20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	972 octave_value func = args(0);
4700 ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	973
14136 20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	974 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	975 {
20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	976 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	977 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	978 if (func.is_undefined ())
20533 19617a5b7202 Fix regression in displayed error message for nargin and nargout. Rik <rik@octave.org> parents: 20198 diff changeset	979 {
19617a5b7202 Fix regression in displayed error message for nargin and nargout. Rik <rik@octave.org> parents: 20198 diff changeset	980 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	981 return retval;
19617a5b7202 Fix regression in displayed error message for nargin and nargout. Rik <rik@octave.org> parents: 20198 diff changeset	982 }
14136 20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	983 }
20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	984
20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	985 if (func.is_inline_function ())
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	986 {
14136 20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	987 retval = 1;
20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	988 return retval;
20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	989 }
20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	990
20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	991 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	992 {
20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	993 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	994 std::string fh_nm = fh->fcn_name ();
4930 bdb307dc8613 [project @ 2004-08-05 04:55:26 by jwe] jwe parents: 4929 diff changeset	995
14136 20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	996 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	997 {
20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	998 retval = -1;
20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	999 return retval;
20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	1000 }
20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	1001 }
20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	1002
20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	1003 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	1004 if (fcn_val)
20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	1005 {
20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	1006 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	1007
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1008 if (fcn)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1009 {
14136 20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	1010 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	1011
14136 20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	1012 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	1013
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1014 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	1015 retval = -1 - retval;
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1016 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1017 else
14136 20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	1018 {
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17757 diff changeset	1019 // 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	1020 // 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	1021 // Matlab gives up for histc,
175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17757 diff changeset	1022 // 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	1023 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	1024 }
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1025 }
4700 ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	1026 else
14136 20cb178716ee Make nargin and nargout behave more like Matlab's (Bug #32700) Iain Murray <iain@iainmurray.net> parents: 12483 diff changeset	1027 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	1028 }
ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	1029 else if (nargin == 0)
ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	1030 {
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	1031 if (! symbol_table::at_top_level ())
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1032 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1033 retval = symbol_table::varval (".nargout.");
4700 ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	1034
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1035 if (retval.is_undefined ())
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1036 retval = 0;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1037 }
4700 ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	1038 else
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1039 error ("nargout: invalid call at top level");
4700 ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	1040 }
ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	1041 else
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5794 diff changeset	1042 print_usage ();
4700 ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	1043
ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	1044 return retval;
ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	1045 }
ca3a1d687bba [project @ 2004-01-21 03:28:31 by jwe] jwe parents: 4645 diff changeset	1046
9522 e79470be3ecb implement subsasgn this-arg optimization Jaroslav Hajek <highegg@gmail.com> parents: 9396 diff changeset	1047 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	1048 "-- texinfo --\n\
10840 89f4d7e294cc Grammarcheck .cc files Rik <octave@nomad.inbox5.com> parents: 10832 diff changeset	1049 @deftypefn {Built-in Function} {@var{val} =} optimize_subsasgn_calls ()\n\
89f4d7e294cc Grammarcheck .cc files Rik <octave@nomad.inbox5.com> parents: 10832 diff changeset	1050 @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	1051 @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	1052 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	1053 \n\
9522 e79470be3ecb implement subsasgn this-arg optimization Jaroslav Hajek <highegg@gmail.com> parents: 9396 diff changeset	1054 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	1055 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	1056 \n\
17281 bc924baa2c4e doc: Add new @qcode macro for code samples which are quoted. Rik <rik@octave.org> parents: 16856 diff changeset	1057 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	1058 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	1059 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	1060 @end deftypefn")
e79470be3ecb implement subsasgn this-arg optimization Jaroslav Hajek <highegg@gmail.com> parents: 9396 diff changeset	1061 {
e79470be3ecb implement subsasgn this-arg optimization Jaroslav Hajek <highegg@gmail.com> parents: 9396 diff changeset	1062 return SET_INTERNAL_VARIABLE (optimize_subsasgn_calls);
e79470be3ecb implement subsasgn this-arg optimization Jaroslav Hajek <highegg@gmail.com> parents: 9396 diff changeset	1063 }
10832 1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	1064
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	1065 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	1066 {
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	1067 if (table.is_empty ())
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	1068 return false;
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	1069
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	1070 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	1071 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	1072 }
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	1073
10847 7fa3c8e43357 change is_ignored_output to isargout Jaroslav Hajek <highegg@gmail.com> parents: 10846 diff changeset	1074 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	1075 {
7fa3c8e43357 change is_ignored_output to isargout Jaroslav Hajek <highegg@gmail.com> parents: 10846 diff changeset	1076 if (k != xround (k) \|\| k <= 0)
7fa3c8e43357 change is_ignored_output to isargout Jaroslav Hajek <highegg@gmail.com> parents: 10846 diff changeset	1077 {
12483 7a5aacf65f81 Rewrite error strings in src/ to use variables named in documentation. Rik <octave@nomad.inbox5.com> parents: 11586 diff changeset	1078 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	1079 return false;
7fa3c8e43357 change is_ignored_output to isargout Jaroslav Hajek <highegg@gmail.com> parents: 10846 diff changeset	1080 }
7fa3c8e43357 change is_ignored_output to isargout Jaroslav Hajek <highegg@gmail.com> parents: 10846 diff changeset	1081 else
7fa3c8e43357 change is_ignored_output to isargout Jaroslav Hajek <highegg@gmail.com> parents: 10846 diff changeset	1082 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	1083 }
7fa3c8e43357 change is_ignored_output to isargout Jaroslav Hajek <highegg@gmail.com> parents: 10846 diff changeset	1084
7fa3c8e43357 change is_ignored_output to isargout Jaroslav Hajek <highegg@gmail.com> parents: 10846 diff changeset	1085 DEFUN (isargout, args, ,
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17757 diff changeset	1086 "-- texinfo --\n\
10847 7fa3c8e43357 change is_ignored_output to isargout Jaroslav Hajek <highegg@gmail.com> parents: 10846 diff changeset	1087 @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	1088 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	1089 @var{k} will be assigned to a variable on output.\n\
23519ad614da inputname.m: Overhaul function. Rik <rik@octave.org> parents: 18915 diff changeset	1090 \n\
23519ad614da inputname.m: Overhaul function. Rik <rik@octave.org> parents: 18915 diff changeset	1091 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	1092 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	1093 can use @code{isargout} to avoid performing unnecessary calculations for\n\
23519ad614da inputname.m: Overhaul function. Rik <rik@octave.org> parents: 18915 diff changeset	1094 outputs which are unwanted.\n\
11431 0d9640d755b1 Improve docstrings for all isXXX functions. Rik <octave@nomad.inbox5.com> parents: 11304 diff changeset	1095 \n\
14861 f7afecdd87ef maint: Use Octave coding conventions for cuddling parentheses in src/ directory Rik <octave@nomad.inbox5.com> parents: 14573 diff changeset	1096 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	1097 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	1098 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	1099 @code{isargout} returns an error.\n\
19229 23519ad614da inputname.m: Overhaul function. Rik <rik@octave.org> parents: 18915 diff changeset	1100 @seealso{nargout, varargout, nthargout}\n\
10832 1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	1101 @end deftypefn")
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 octave_value retval;
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 int nargin = args.length ();
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	1106
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	1107 if (nargin == 1)
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	1108 {
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	1109 if (! symbol_table::at_top_level ())
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	1110 {
10847 7fa3c8e43357 change is_ignored_output to isargout Jaroslav Hajek <highegg@gmail.com> parents: 10846 diff changeset	1111 int nargout1 = symbol_table::varval (".nargout.").int_value ();
7fa3c8e43357 change is_ignored_output to isargout Jaroslav Hajek <highegg@gmail.com> parents: 10846 diff changeset	1112 if (error_state)
7fa3c8e43357 change is_ignored_output to isargout Jaroslav Hajek <highegg@gmail.com> parents: 10846 diff changeset	1113 {
7fa3c8e43357 change is_ignored_output to isargout Jaroslav Hajek <highegg@gmail.com> parents: 10846 diff changeset	1114 error ("isargout: internal error");
7fa3c8e43357 change is_ignored_output to isargout Jaroslav Hajek <highegg@gmail.com> parents: 10846 diff changeset	1115 return retval;
7fa3c8e43357 change is_ignored_output to isargout Jaroslav Hajek <highegg@gmail.com> parents: 10846 diff changeset	1116 }
7fa3c8e43357 change is_ignored_output to isargout Jaroslav Hajek <highegg@gmail.com> parents: 10846 diff changeset	1117
10832 1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	1118 Matrix ignored;
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	1119 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	1120 if (tmp.is_defined ())
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	1121 ignored = tmp.matrix_value ();
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	1122
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	1123 if (args(0).is_scalar_type ())
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	1124 {
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	1125 double k = args(0).double_value ();
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	1126 if (! error_state)
10847 7fa3c8e43357 change is_ignored_output to isargout Jaroslav Hajek <highegg@gmail.com> parents: 10846 diff changeset	1127 retval = isargout1 (nargout1, ignored, k);
10832 1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	1128 }
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	1129 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	1130 {
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	1131 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	1132 if (! error_state)
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	1133 {
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	1134 boolNDArray r (ka.dims ());
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17757 diff changeset	1135 for (octave_idx_type i = 0;
175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17757 diff changeset	1136 i < ka.numel () && ! error_state;
175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17757 diff changeset	1137 i++)
10847 7fa3c8e43357 change is_ignored_output to isargout Jaroslav Hajek <highegg@gmail.com> parents: 10846 diff changeset	1138 r(i) = isargout1 (nargout1, ignored, ka(i));
10832 1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	1139
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	1140 retval = r;
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	1141 }
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	1142 }
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	1143 else
10847 7fa3c8e43357 change is_ignored_output to isargout Jaroslav Hajek <highegg@gmail.com> parents: 10846 diff changeset	1144 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	1145 }
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	1146 else
10847 7fa3c8e43357 change is_ignored_output to isargout Jaroslav Hajek <highegg@gmail.com> parents: 10846 diff changeset	1147 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	1148 }
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	1149 else
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	1150 print_usage ();
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	1151
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	1152 return retval;
1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10637 diff changeset	1153 }
14571 6131fead3135 ensure isargout is not sticky John W. Eaton <jwe@octave.org> parents: 14138 diff changeset	1154
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 %!function [x, y] = try_isargout ()
6131fead3135 ensure isargout is not sticky John W. Eaton <jwe@octave.org> parents: 14138 diff changeset	1157 %! if (isargout (1))
6131fead3135 ensure isargout is not sticky John W. Eaton <jwe@octave.org> parents: 14138 diff changeset	1158 %! if (isargout (2))
6131fead3135 ensure isargout is not sticky John W. Eaton <jwe@octave.org> parents: 14138 diff changeset	1159 %! x = 1; y = 2;
6131fead3135 ensure isargout is not sticky John W. Eaton <jwe@octave.org> parents: 14138 diff changeset	1160 %! else
6131fead3135 ensure isargout is not sticky John W. Eaton <jwe@octave.org> parents: 14138 diff changeset	1161 %! x = -1;
6131fead3135 ensure isargout is not sticky John W. Eaton <jwe@octave.org> parents: 14138 diff changeset	1162 %! endif
6131fead3135 ensure isargout is not sticky John W. Eaton <jwe@octave.org> parents: 14138 diff changeset	1163 %! else
6131fead3135 ensure isargout is not sticky John W. Eaton <jwe@octave.org> parents: 14138 diff changeset	1164 %! if (isargout (2))
6131fead3135 ensure isargout is not sticky John W. Eaton <jwe@octave.org> parents: 14138 diff changeset	1165 %! y = -2;
6131fead3135 ensure isargout is not sticky John W. Eaton <jwe@octave.org> parents: 14138 diff changeset	1166 %! else
6131fead3135 ensure isargout is not sticky John W. Eaton <jwe@octave.org> parents: 14138 diff changeset	1167 %! error ("no outputs requested");
6131fead3135 ensure isargout is not sticky John W. Eaton <jwe@octave.org> parents: 14138 diff changeset	1168 %! endif
6131fead3135 ensure isargout is not sticky John W. Eaton <jwe@octave.org> parents: 14138 diff changeset	1169 %! endif
6131fead3135 ensure isargout is not sticky John W. Eaton <jwe@octave.org> parents: 14138 diff changeset	1170 %!endfunction
6131fead3135 ensure isargout is not sticky John W. Eaton <jwe@octave.org> parents: 14138 diff changeset	1171 %!
6131fead3135 ensure isargout is not sticky John W. Eaton <jwe@octave.org> parents: 14138 diff changeset	1172 %!test
6131fead3135 ensure isargout is not sticky John W. Eaton <jwe@octave.org> parents: 14138 diff changeset	1173 %! [x, y] = try_isargout ();
6131fead3135 ensure isargout is not sticky John W. Eaton <jwe@octave.org> parents: 14138 diff changeset	1174 %! assert ([x, y], [1, 2]);
6131fead3135 ensure isargout is not sticky John W. Eaton <jwe@octave.org> parents: 14138 diff changeset	1175 %!
6131fead3135 ensure isargout is not sticky John W. Eaton <jwe@octave.org> parents: 14138 diff changeset	1176 %!test
6131fead3135 ensure isargout is not sticky John W. Eaton <jwe@octave.org> parents: 14138 diff changeset	1177 %! [x, ~] = try_isargout ();
6131fead3135 ensure isargout is not sticky John W. Eaton <jwe@octave.org> parents: 14138 diff changeset	1178 %! assert (x, -1);
6131fead3135 ensure isargout is not sticky John W. Eaton <jwe@octave.org> parents: 14138 diff changeset	1179 %!
6131fead3135 ensure isargout is not sticky John W. Eaton <jwe@octave.org> parents: 14138 diff changeset	1180 %!test
6131fead3135 ensure isargout is not sticky John W. Eaton <jwe@octave.org> parents: 14138 diff changeset	1181 %! [~, y] = try_isargout ();
6131fead3135 ensure isargout is not sticky John W. Eaton <jwe@octave.org> parents: 14138 diff changeset	1182 %! assert (y, -2);
6131fead3135 ensure isargout is not sticky John W. Eaton <jwe@octave.org> parents: 14138 diff changeset	1183 %!
6131fead3135 ensure isargout is not sticky John W. Eaton <jwe@octave.org> parents: 14138 diff changeset	1184 %!error [~, ~] = try_isargout ();
6131fead3135 ensure isargout is not sticky John W. Eaton <jwe@octave.org> parents: 14138 diff changeset	1185 %!
6131fead3135 ensure isargout is not sticky John W. Eaton <jwe@octave.org> parents: 14138 diff changeset	1186 %% Check to see that isargout isn't sticky:
6131fead3135 ensure isargout is not sticky John W. Eaton <jwe@octave.org> parents: 14138 diff changeset	1187 %!test
6131fead3135 ensure isargout is not sticky John W. Eaton <jwe@octave.org> parents: 14138 diff changeset	1188 %! [x, y] = try_isargout ();
6131fead3135 ensure isargout is not sticky John W. Eaton <jwe@octave.org> parents: 14138 diff changeset	1189 %! 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	1190 %!
1785493171ac pass lvalue_list to more subsref calls (bug #38374) John W. Eaton <jwe@octave.org> parents: 15582 diff changeset	1191 %% It should work without ():
1785493171ac pass lvalue_list to more subsref calls (bug #38374) John W. Eaton <jwe@octave.org> parents: 15582 diff changeset	1192 %!test
1785493171ac pass lvalue_list to more subsref calls (bug #38374) John W. Eaton <jwe@octave.org> parents: 15582 diff changeset	1193 %! [~, y] = try_isargout;
1785493171ac pass lvalue_list to more subsref calls (bug #38374) John W. Eaton <jwe@octave.org> parents: 15582 diff changeset	1194 %! assert (y, -2);
1785493171ac pass lvalue_list to more subsref calls (bug #38374) John W. Eaton <jwe@octave.org> parents: 15582 diff changeset	1195 %!
1785493171ac pass lvalue_list to more subsref calls (bug #38374) John W. Eaton <jwe@octave.org> parents: 15582 diff changeset	1196 %% 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	1197 %% 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	1198 %!test
1785493171ac pass lvalue_list to more subsref calls (bug #38374) John W. Eaton <jwe@octave.org> parents: 15582 diff changeset	1199 %! fh = @try_isargout;
1785493171ac pass lvalue_list to more subsref calls (bug #38374) John W. Eaton <jwe@octave.org> parents: 15582 diff changeset	1200 %! af = @() try_isargout;
1785493171ac pass lvalue_list to more subsref calls (bug #38374) John W. Eaton <jwe@octave.org> parents: 15582 diff changeset	1201 %! c = {fh, af};
1785493171ac pass lvalue_list to more subsref calls (bug #38374) John W. Eaton <jwe@octave.org> parents: 15582 diff changeset	1202 %! [~, y] = fh ();
1785493171ac pass lvalue_list to more subsref calls (bug #38374) John W. Eaton <jwe@octave.org> parents: 15582 diff changeset	1203 %! assert (y, -2);
1785493171ac pass lvalue_list to more subsref calls (bug #38374) John W. Eaton <jwe@octave.org> parents: 15582 diff changeset	1204 %! [~, y] = af ();
1785493171ac pass lvalue_list to more subsref calls (bug #38374) John W. Eaton <jwe@octave.org> parents: 15582 diff changeset	1205 %! assert (y, -2);
1785493171ac pass lvalue_list to more subsref calls (bug #38374) John W. Eaton <jwe@octave.org> parents: 15582 diff changeset	1206 %! [~, y] = c{1}();
1785493171ac pass lvalue_list to more subsref calls (bug #38374) John W. Eaton <jwe@octave.org> parents: 15582 diff changeset	1207 %! assert (y, -2);
1785493171ac pass lvalue_list to more subsref calls (bug #38374) John W. Eaton <jwe@octave.org> parents: 15582 diff changeset	1208 %! [~, y] = c{2}();
1785493171ac pass lvalue_list to more subsref calls (bug #38374) John W. Eaton <jwe@octave.org> parents: 15582 diff changeset	1209 %! assert (y, -2);
14571 6131fead3135 ensure isargout is not sticky John W. Eaton <jwe@octave.org> parents: 14138 diff changeset	1210 */

Mercurial > octave-nkf

annotate libinterp/octave-value/ov-usr-fcn.cc @ 20533:19617a5b7202 stable