octave-lyh: libinterp/parse-tree/pt-eval.cc annotate

annotate libinterp/parse-tree/pt-eval.cc @ 17509:5f884a545c06

Fix uminus op support with scalar type

author	LYH <lyh.kernel@gmail.com>
date	Thu, 26 Sep 2013 04:56:03 +0800
parents	3cc57abeca48
children

rev	line source
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1 /*
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	2
14138 72c96de7a403 maint: update copyright notices for 2012 John W. Eaton <jwe@octave.org> parents: 14061 diff changeset	3 Copyright (C) 2009-2012 John W. Eaton
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	4
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	5 This file is part of Octave.
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	6
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	7 Octave is free software; you can redistribute it and/or modify it
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	8 under the terms of the GNU General Public License as published by the
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	9 Free Software Foundation; either version 3 of the License, or (at your
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	10 option) any later version.
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	11
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	12 Octave is distributed in the hope that it will be useful, but WITHOUT
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	15 for more details.
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	16
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	17 You should have received a copy of the GNU General Public License
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	18 along with Octave; see the file COPYING. If not, see
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	19 <http://www.gnu.org/licenses/>.
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	20
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	21 */
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	22
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	23 #ifdef HAVE_CONFIG_H
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	24 #include <config.h>
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	25 #endif
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	26
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	27 #include <cctype>
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	28
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	29 #include <iostream>
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	30
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	31 #include <fstream>
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	32 #include <typeinfo>
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	33
10186 095a1e670e68 make dbstep work with keyboard function John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	34 #include "debug.h"
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	35 #include "defun.h"
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	36 #include "error.h"
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	37 #include "gripes.h"
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	38 #include "input.h"
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	39 #include "ov-fcn-handle.h"
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	40 #include "ov-usr-fcn.h"
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	41 #include "variables.h"
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	42 #include "pt-all.h"
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	43 #include "pt-eval.h"
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	44 #include "symtab.h"
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	45 #include "unwind-prot.h"
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	46
14899 f25d2224fa02 Initial JIT support Max Brister <max@2bass.com> parents: 14429 diff changeset	47 //FIXME: This should be part of tree_evaluator
f25d2224fa02 Initial JIT support Max Brister <max@2bass.com> parents: 14429 diff changeset	48 #include "pt-jit.h"
15310 b055fc077224 allow jit compiler to be enabled at run-time John W. Eaton <jwe@octave.org> parents: 15244 diff changeset	49
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	50 static tree_evaluator std_evaluator;
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	51
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	52 tree_evaluator *current_evaluator = &std_evaluator;
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	53
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	54 int tree_evaluator::dbstep_flag = 0;
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	55
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	56 size_t tree_evaluator::current_frame = 0;
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	57
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	58 bool tree_evaluator::debug_mode = false;
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	59
11304 c9fefa096ce2 echo commands in scripts John W. Eaton <jwe@octave.org> parents: 11066 diff changeset	60 tree_evaluator::stmt_list_type tree_evaluator::statement_context
c9fefa096ce2 echo commands in scripts John W. Eaton <jwe@octave.org> parents: 11066 diff changeset	61 = tree_evaluator::other;
8669 33783e94fb16 line number fixes and other evaluator tweaks John W. Eaton <jwe@octave.org> parents: 8662 diff changeset	62
33783e94fb16 line number fixes and other evaluator tweaks John W. Eaton <jwe@octave.org> parents: 8662 diff changeset	63 bool tree_evaluator::in_loop_command = false;
33783e94fb16 line number fixes and other evaluator tweaks John W. Eaton <jwe@octave.org> parents: 8662 diff changeset	64
10578 cb0883127251 limit on recursion via calls to source function John W. Eaton <jwe@octave.org> parents: 10315 diff changeset	65 // Maximum nesting level for functions, scripts, or sourced files called
cb0883127251 limit on recursion via calls to source function John W. Eaton <jwe@octave.org> parents: 10315 diff changeset	66 // recursively.
cb0883127251 limit on recursion via calls to source function John W. Eaton <jwe@octave.org> parents: 10315 diff changeset	67 int Vmax_recursion_depth = 256;
cb0883127251 limit on recursion via calls to source function John W. Eaton <jwe@octave.org> parents: 10315 diff changeset	68
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	69 // If TRUE, turn off printing of results in functions (as if a
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	70 // semicolon has been appended to each statement).
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	71 static bool Vsilent_functions = false;
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	72
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	73 // Normal evaluator.
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	74
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	75 void
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	76 tree_evaluator::visit_anon_fcn_handle (tree_anon_fcn_handle&)
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	77 {
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	78 panic_impossible ();
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	79 }
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	80
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	81 void
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	82 tree_evaluator::visit_argument_list (tree_argument_list&)
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	83 {
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	84 panic_impossible ();
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	85 }
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	86
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	87 void
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	88 tree_evaluator::visit_binary_expression (tree_binary_expression&)
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	89 {
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	90 panic_impossible ();
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	91 }
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	92
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	93 void
8845 5a6db6bd1a02 eigs.cc (Feigs): fix handling of sigma arg John W. Eaton <jwe@octave.org> parents: 8679 diff changeset	94 tree_evaluator::visit_break_command (tree_break_command& cmd)
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	95 {
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	96 if (! error_state)
8845 5a6db6bd1a02 eigs.cc (Feigs): fix handling of sigma arg John W. Eaton <jwe@octave.org> parents: 8679 diff changeset	97 {
5a6db6bd1a02 eigs.cc (Feigs): fix handling of sigma arg John W. Eaton <jwe@octave.org> parents: 8679 diff changeset	98 if (debug_mode)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	99 do_breakpoint (cmd.is_breakpoint ());
8845 5a6db6bd1a02 eigs.cc (Feigs): fix handling of sigma arg John W. Eaton <jwe@octave.org> parents: 8679 diff changeset	100
11304 c9fefa096ce2 echo commands in scripts John W. Eaton <jwe@octave.org> parents: 11066 diff changeset	101 if (statement_context == function \|\| statement_context == script
c9fefa096ce2 echo commands in scripts John W. Eaton <jwe@octave.org> parents: 11066 diff changeset	102 \|\| in_loop_command)
10188 97ae300aa73a improve implementation of break, continue, and return commands John W. Eaton <jwe@octave.org> parents: 10186 diff changeset	103 tree_break_command::breaking = 1;
8845 5a6db6bd1a02 eigs.cc (Feigs): fix handling of sigma arg John W. Eaton <jwe@octave.org> parents: 8679 diff changeset	104 }
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	105 }
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	106
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	107 void
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	108 tree_evaluator::visit_colon_expression (tree_colon_expression&)
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	109 {
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	110 panic_impossible ();
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	111 }
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	112
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	113 void
10188 97ae300aa73a improve implementation of break, continue, and return commands John W. Eaton <jwe@octave.org> parents: 10186 diff changeset	114 tree_evaluator::visit_continue_command (tree_continue_command& cmd)
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	115 {
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	116 if (! error_state)
10188 97ae300aa73a improve implementation of break, continue, and return commands John W. Eaton <jwe@octave.org> parents: 10186 diff changeset	117 {
97ae300aa73a improve implementation of break, continue, and return commands John W. Eaton <jwe@octave.org> parents: 10186 diff changeset	118 if (debug_mode)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	119 do_breakpoint (cmd.is_breakpoint ());
10188 97ae300aa73a improve implementation of break, continue, and return commands John W. Eaton <jwe@octave.org> parents: 10186 diff changeset	120
11304 c9fefa096ce2 echo commands in scripts John W. Eaton <jwe@octave.org> parents: 11066 diff changeset	121 if (statement_context == function \|\| statement_context == script
c9fefa096ce2 echo commands in scripts John W. Eaton <jwe@octave.org> parents: 11066 diff changeset	122 \|\| in_loop_command)
10188 97ae300aa73a improve implementation of break, continue, and return commands John W. Eaton <jwe@octave.org> parents: 10186 diff changeset	123 tree_continue_command::continuing = 1;
97ae300aa73a improve implementation of break, continue, and return commands John W. Eaton <jwe@octave.org> parents: 10186 diff changeset	124 }
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	125 }
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	126
10186 095a1e670e68 make dbstep work with keyboard function John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	127 void
095a1e670e68 make dbstep work with keyboard function John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	128 tree_evaluator::reset_debug_state (void)
095a1e670e68 make dbstep work with keyboard function John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	129 {
10194 d4f813c3f5ed more debug mode fixes John W. Eaton <jwe@octave.org> parents: 10188 diff changeset	130 debug_mode = bp_table::have_breakpoints () \|\| Vdebugging;
10186 095a1e670e68 make dbstep work with keyboard function John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	131
095a1e670e68 make dbstep work with keyboard function John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	132 dbstep_flag = 0;
095a1e670e68 make dbstep work with keyboard function John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	133 }
095a1e670e68 make dbstep work with keyboard function John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	134
15606 fb9dffe5fbfb The silent_functions flag no longer modifies the parse tree Max Brister <max@2bass.com> parents: 15582 diff changeset	135 bool
fb9dffe5fbfb The silent_functions flag no longer modifies the parse tree Max Brister <max@2bass.com> parents: 15582 diff changeset	136 tree_evaluator::statement_printing_enabled (void)
fb9dffe5fbfb The silent_functions flag no longer modifies the parse tree Max Brister <max@2bass.com> parents: 15582 diff changeset	137 {
fb9dffe5fbfb The silent_functions flag no longer modifies the parse tree Max Brister <max@2bass.com> parents: 15582 diff changeset	138 return ! (Vsilent_functions && (statement_context == function
fb9dffe5fbfb The silent_functions flag no longer modifies the parse tree Max Brister <max@2bass.com> parents: 15582 diff changeset	139 \|\| statement_context == script));
fb9dffe5fbfb The silent_functions flag no longer modifies the parse tree Max Brister <max@2bass.com> parents: 15582 diff changeset	140 }
fb9dffe5fbfb The silent_functions flag no longer modifies the parse tree Max Brister <max@2bass.com> parents: 15582 diff changeset	141
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	142 static inline void
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	143 do_global_init (tree_decl_elt& elt)
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	144 {
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	145 tree_identifier *id = elt.ident ();
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	146
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	147 if (id)
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	148 {
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	149 id->mark_global ();
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	150
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	151 if (! error_state)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	152 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	153 octave_lvalue ult = id->lvalue ();
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	154
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	155 if (ult.is_undefined ())
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	156 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	157 tree_expression *expr = elt.expression ();
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	158
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	159 octave_value init_val;
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	160
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	161 if (expr)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	162 init_val = expr->rvalue1 ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	163 else
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	164 init_val = Matrix ();
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	165
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	166 ult.assign (octave_value::op_asn_eq, init_val);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	167 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	168 }
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	169 }
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	170 }
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	171
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	172 static inline void
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	173 do_static_init (tree_decl_elt& elt)
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	174 {
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	175 tree_identifier *id = elt.ident ();
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	176
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	177 if (id)
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	178 {
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	179 id->mark_as_static ();
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	180
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	181 octave_lvalue ult = id->lvalue ();
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	182
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	183 if (ult.is_undefined ())
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	184 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	185 tree_expression *expr = elt.expression ();
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	186
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	187 octave_value init_val;
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	188
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	189 if (expr)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	190 init_val = expr->rvalue1 ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	191 else
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	192 init_val = Matrix ();
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	193
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	194 ult.assign (octave_value::op_asn_eq, init_val);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	195 }
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	196 }
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	197 }
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	198
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	199 void
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	200 tree_evaluator::do_decl_init_list (decl_elt_init_fcn fcn,
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	201 tree_decl_init_list *init_list)
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	202 {
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	203 if (init_list)
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	204 {
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	205 for (tree_decl_init_list::iterator p = init_list->begin ();
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	206 p != init_list->end (); p++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	207 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	208 tree_decl_elt elt = p;
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	209
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	210 fcn (*elt);
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	211
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	212 if (error_state)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	213 break;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	214 }
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	215 }
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	216 }
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	217
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	218 void
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	219 tree_evaluator::visit_global_command (tree_global_command& cmd)
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	220 {
8845 5a6db6bd1a02 eigs.cc (Feigs): fix handling of sigma arg John W. Eaton <jwe@octave.org> parents: 8679 diff changeset	221 if (debug_mode)
9484 bbe033dcfe13 make dbwhere work when called at keyboard prompt John W. Eaton <jwe@octave.org> parents: 9418 diff changeset	222 do_breakpoint (cmd.is_breakpoint ());
8845 5a6db6bd1a02 eigs.cc (Feigs): fix handling of sigma arg John W. Eaton <jwe@octave.org> parents: 8679 diff changeset	223
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	224 do_decl_init_list (do_global_init, cmd.initializer_list ());
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	225 }
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	226
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	227 void
14294 9e3983c8963c deprecate the static keyword John W. Eaton <jwe@octave.org> parents: 14138 diff changeset	228 tree_evaluator::visit_persistent_command (tree_persistent_command& cmd)
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	229 {
8845 5a6db6bd1a02 eigs.cc (Feigs): fix handling of sigma arg John W. Eaton <jwe@octave.org> parents: 8679 diff changeset	230 if (debug_mode)
9484 bbe033dcfe13 make dbwhere work when called at keyboard prompt John W. Eaton <jwe@octave.org> parents: 9418 diff changeset	231 do_breakpoint (cmd.is_breakpoint ());
8845 5a6db6bd1a02 eigs.cc (Feigs): fix handling of sigma arg John W. Eaton <jwe@octave.org> parents: 8679 diff changeset	232
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	233 do_decl_init_list (do_static_init, cmd.initializer_list ());
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	234 }
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	235
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	236 void
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	237 tree_evaluator::visit_decl_elt (tree_decl_elt&)
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	238 {
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	239 panic_impossible ();
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	240 }
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	241
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	242 #if 0
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	243 bool
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	244 tree_decl_elt::eval (void)
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	245 {
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	246 bool retval = false;
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	247
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	248 if (id && expr)
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	249 {
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	250 octave_lvalue ult = id->lvalue ();
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	251
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	252 octave_value init_val = expr->rvalue1 ();
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	253
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	254 if (! error_state)
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	255 {
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	256 ult.assign (octave_value::op_asn_eq, init_val);
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	257
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	258 retval = true;
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	259 }
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	260 }
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	261
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	262 return retval;
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	263 }
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	264 #endif
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	265
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	266 void
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	267 tree_evaluator::visit_decl_init_list (tree_decl_init_list&)
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	268 {
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	269 panic_impossible ();
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	270 }
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	271
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	272 // Decide if it's time to quit a for or while loop.
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	273 static inline bool
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	274 quit_loop_now (void)
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	275 {
10142 829e69ec3110 make OCTAVE_QUIT a function Jaroslav Hajek <highegg@gmail.com> parents: 10066 diff changeset	276 octave_quit ();
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	277
15466 d174210ce1ec use ' instead of ` in error messages, warnings and most comments John W. Eaton <jwe@octave.org> parents: 14138 diff changeset	278 // Maybe handle 'continue N' someday...
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	279
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	280 if (tree_continue_command::continuing)
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	281 tree_continue_command::continuing--;
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	282
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	283 bool quit = (error_state
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	284 \|\| tree_return_command::returning
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	285 \|\| tree_break_command::breaking
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	286 \|\| tree_continue_command::continuing);
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	287
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	288 if (tree_break_command::breaking)
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	289 tree_break_command::breaking--;
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	290
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	291 return quit;
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	292 }
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	293
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	294 void
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	295 tree_evaluator::visit_simple_for_command (tree_simple_for_command& cmd)
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	296 {
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	297 if (error_state)
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	298 return;
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	299
8845 5a6db6bd1a02 eigs.cc (Feigs): fix handling of sigma arg John W. Eaton <jwe@octave.org> parents: 8679 diff changeset	300 if (debug_mode)
9484 bbe033dcfe13 make dbwhere work when called at keyboard prompt John W. Eaton <jwe@octave.org> parents: 9418 diff changeset	301 do_breakpoint (cmd.is_breakpoint ());
8845 5a6db6bd1a02 eigs.cc (Feigs): fix handling of sigma arg John W. Eaton <jwe@octave.org> parents: 8679 diff changeset	302
13245 027a2186cd90 parfor keyword and infrastructure, but handle parfor as normal for loop for now John W. Eaton <jwe@octave.org> parents: 13226 diff changeset	303 // FIXME -- need to handle PARFOR loops here using cmd.in_parallel ()
027a2186cd90 parfor keyword and infrastructure, but handle parfor as normal for loop for now John W. Eaton <jwe@octave.org> parents: 13226 diff changeset	304 // and cmd.maxproc_expr ();
027a2186cd90 parfor keyword and infrastructure, but handle parfor as normal for loop for now John W. Eaton <jwe@octave.org> parents: 13226 diff changeset	305
10066 2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 9494 diff changeset	306 unwind_protect frame;
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	307
10066 2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 9494 diff changeset	308 frame.protect_var (in_loop_command);
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	309
8669 33783e94fb16 line number fixes and other evaluator tweaks John W. Eaton <jwe@octave.org> parents: 8662 diff changeset	310 in_loop_command = true;
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	311
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	312 tree_expression *expr = cmd.control_expr ();
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	313
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	314 octave_value rhs = expr->rvalue1 ();
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	315
15027 741d2dbcc117 Check trip count before compiling for loops. Max Brister <max@2bass.com> parents: 15023 diff changeset	316 #if HAVE_LLVM
15582 52df2e7baabe Disable JIT when breakpoints are present Max Brister <max@2bass.com> parents: 15575 diff changeset	317 if (tree_jit::execute (cmd, rhs))
15027 741d2dbcc117 Check trip count before compiling for loops. Max Brister <max@2bass.com> parents: 15023 diff changeset	318 return;
741d2dbcc117 Check trip count before compiling for loops. Max Brister <max@2bass.com> parents: 15023 diff changeset	319 #endif
741d2dbcc117 Check trip count before compiling for loops. Max Brister <max@2bass.com> parents: 15023 diff changeset	320
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	321 if (error_state \|\| rhs.is_undefined ())
10066 2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 9494 diff changeset	322 return;
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	323
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	324 {
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	325 tree_expression *lhs = cmd.left_hand_side ();
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	326
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	327 octave_lvalue ult = lhs->lvalue ();
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	328
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	329 if (error_state)
10066 2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 9494 diff changeset	330 return;
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	331
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	332 tree_statement_list *loop_body = cmd.body ();
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	333
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	334 if (rhs.is_range ())
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	335 {
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	336 Range rng = rhs.range_value ();
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	337
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	338 octave_idx_type steps = rng.nelem ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	339 double b = rng.base ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	340 double increment = rng.inc ();
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	341
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	342 for (octave_idx_type i = 0; i < steps; i++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	343 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	344 // Use multiplication here rather than declaring a
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	345 // temporary variable outside the loop and using
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	346 //
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	347 // tmp_val += increment
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	348 //
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	349 // to avoid problems with limited precision. Also, this
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	350 // is consistent with the way Range::matrix_value is
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	351 // implemented.
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	352
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	353 octave_value val (b + i * increment);
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	354
13225 359153d26cc1 eliminate DO_SIMPLE_FOR_LOOP_ONCE macro John W. Eaton <jwe@octave.org> parents: 12833 diff changeset	355 ult.assign (octave_value::op_asn_eq, val);
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	356
13225 359153d26cc1 eliminate DO_SIMPLE_FOR_LOOP_ONCE macro John W. Eaton <jwe@octave.org> parents: 12833 diff changeset	357 if (! error_state && loop_body)
359153d26cc1 eliminate DO_SIMPLE_FOR_LOOP_ONCE macro John W. Eaton <jwe@octave.org> parents: 12833 diff changeset	358 loop_body->accept (*this);
359153d26cc1 eliminate DO_SIMPLE_FOR_LOOP_ONCE macro John W. Eaton <jwe@octave.org> parents: 12833 diff changeset	359
359153d26cc1 eliminate DO_SIMPLE_FOR_LOOP_ONCE macro John W. Eaton <jwe@octave.org> parents: 12833 diff changeset	360 if (quit_loop_now ())
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	361 break;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	362 }
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	363 }
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	364 else if (rhs.is_scalar_type ())
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	365 {
13225 359153d26cc1 eliminate DO_SIMPLE_FOR_LOOP_ONCE macro John W. Eaton <jwe@octave.org> parents: 12833 diff changeset	366 ult.assign (octave_value::op_asn_eq, rhs);
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	367
13225 359153d26cc1 eliminate DO_SIMPLE_FOR_LOOP_ONCE macro John W. Eaton <jwe@octave.org> parents: 12833 diff changeset	368 if (! error_state && loop_body)
359153d26cc1 eliminate DO_SIMPLE_FOR_LOOP_ONCE macro John W. Eaton <jwe@octave.org> parents: 12833 diff changeset	369 loop_body->accept (*this);
359153d26cc1 eliminate DO_SIMPLE_FOR_LOOP_ONCE macro John W. Eaton <jwe@octave.org> parents: 12833 diff changeset	370
359153d26cc1 eliminate DO_SIMPLE_FOR_LOOP_ONCE macro John W. Eaton <jwe@octave.org> parents: 12833 diff changeset	371 // Maybe decrement break and continue states.
359153d26cc1 eliminate DO_SIMPLE_FOR_LOOP_ONCE macro John W. Eaton <jwe@octave.org> parents: 12833 diff changeset	372 quit_loop_now ();
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	373 }
9005 f26e0f00ce01 fix simple looping over structs Jaroslav Hajek <highegg@gmail.com> parents: 8868 diff changeset	374 else if (rhs.is_matrix_type () \|\| rhs.is_cell () \|\| rhs.is_string ()
f26e0f00ce01 fix simple looping over structs Jaroslav Hajek <highegg@gmail.com> parents: 8868 diff changeset	375 \|\| rhs.is_map ())
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	376 {
8662 af72c8137d64 improve looping over arrays Jaroslav Hajek <highegg@gmail.com> parents: 8658 diff changeset	377 // A matrix or cell is reshaped to 2 dimensions and iterated by
af72c8137d64 improve looping over arrays Jaroslav Hajek <highegg@gmail.com> parents: 8658 diff changeset	378 // columns.
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	379
8662 af72c8137d64 improve looping over arrays Jaroslav Hajek <highegg@gmail.com> parents: 8658 diff changeset	380 dim_vector dv = rhs.dims ().redim (2);
af72c8137d64 improve looping over arrays Jaroslav Hajek <highegg@gmail.com> parents: 8658 diff changeset	381
8679 280fae940bb0 optimize scalar indexing Jaroslav Hajek <highegg@gmail.com> parents: 8677 diff changeset	382 octave_idx_type nrows = dv(0), steps = dv(1);
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	383
8662 af72c8137d64 improve looping over arrays Jaroslav Hajek <highegg@gmail.com> parents: 8658 diff changeset	384 if (steps > 0)
af72c8137d64 improve looping over arrays Jaroslav Hajek <highegg@gmail.com> parents: 8658 diff changeset	385 {
af72c8137d64 improve looping over arrays Jaroslav Hajek <highegg@gmail.com> parents: 8658 diff changeset	386 octave_value arg = rhs;
af72c8137d64 improve looping over arrays Jaroslav Hajek <highegg@gmail.com> parents: 8658 diff changeset	387 if (rhs.ndims () > 2)
af72c8137d64 improve looping over arrays Jaroslav Hajek <highegg@gmail.com> parents: 8658 diff changeset	388 arg = arg.reshape (dv);
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	389
8679 280fae940bb0 optimize scalar indexing Jaroslav Hajek <highegg@gmail.com> parents: 8677 diff changeset	390 // for row vectors, use single index to speed things up.
280fae940bb0 optimize scalar indexing Jaroslav Hajek <highegg@gmail.com> parents: 8677 diff changeset	391 octave_value_list idx;
280fae940bb0 optimize scalar indexing Jaroslav Hajek <highegg@gmail.com> parents: 8677 diff changeset	392 octave_idx_type iidx;
280fae940bb0 optimize scalar indexing Jaroslav Hajek <highegg@gmail.com> parents: 8677 diff changeset	393 if (nrows == 1)
280fae940bb0 optimize scalar indexing Jaroslav Hajek <highegg@gmail.com> parents: 8677 diff changeset	394 {
280fae940bb0 optimize scalar indexing Jaroslav Hajek <highegg@gmail.com> parents: 8677 diff changeset	395 idx.resize (1);
280fae940bb0 optimize scalar indexing Jaroslav Hajek <highegg@gmail.com> parents: 8677 diff changeset	396 iidx = 0;
280fae940bb0 optimize scalar indexing Jaroslav Hajek <highegg@gmail.com> parents: 8677 diff changeset	397 }
280fae940bb0 optimize scalar indexing Jaroslav Hajek <highegg@gmail.com> parents: 8677 diff changeset	398 else
280fae940bb0 optimize scalar indexing Jaroslav Hajek <highegg@gmail.com> parents: 8677 diff changeset	399 {
280fae940bb0 optimize scalar indexing Jaroslav Hajek <highegg@gmail.com> parents: 8677 diff changeset	400 idx.resize (2);
280fae940bb0 optimize scalar indexing Jaroslav Hajek <highegg@gmail.com> parents: 8677 diff changeset	401 idx(0) = octave_value::magic_colon_t;
280fae940bb0 optimize scalar indexing Jaroslav Hajek <highegg@gmail.com> parents: 8677 diff changeset	402 iidx = 1;
280fae940bb0 optimize scalar indexing Jaroslav Hajek <highegg@gmail.com> parents: 8677 diff changeset	403 }
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	404
8662 af72c8137d64 improve looping over arrays Jaroslav Hajek <highegg@gmail.com> parents: 8658 diff changeset	405 for (octave_idx_type i = 1; i <= steps; i++)
af72c8137d64 improve looping over arrays Jaroslav Hajek <highegg@gmail.com> parents: 8658 diff changeset	406 {
af72c8137d64 improve looping over arrays Jaroslav Hajek <highegg@gmail.com> parents: 8658 diff changeset	407 // do_index_op expects one-based indices.
8679 280fae940bb0 optimize scalar indexing Jaroslav Hajek <highegg@gmail.com> parents: 8677 diff changeset	408 idx(iidx) = i;
8662 af72c8137d64 improve looping over arrays Jaroslav Hajek <highegg@gmail.com> parents: 8658 diff changeset	409 octave_value val = arg.do_index_op (idx);
13225 359153d26cc1 eliminate DO_SIMPLE_FOR_LOOP_ONCE macro John W. Eaton <jwe@octave.org> parents: 12833 diff changeset	410
359153d26cc1 eliminate DO_SIMPLE_FOR_LOOP_ONCE macro John W. Eaton <jwe@octave.org> parents: 12833 diff changeset	411 ult.assign (octave_value::op_asn_eq, val);
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	412
13225 359153d26cc1 eliminate DO_SIMPLE_FOR_LOOP_ONCE macro John W. Eaton <jwe@octave.org> parents: 12833 diff changeset	413 if (! error_state && loop_body)
359153d26cc1 eliminate DO_SIMPLE_FOR_LOOP_ONCE macro John W. Eaton <jwe@octave.org> parents: 12833 diff changeset	414 loop_body->accept (*this);
359153d26cc1 eliminate DO_SIMPLE_FOR_LOOP_ONCE macro John W. Eaton <jwe@octave.org> parents: 12833 diff changeset	415
359153d26cc1 eliminate DO_SIMPLE_FOR_LOOP_ONCE macro John W. Eaton <jwe@octave.org> parents: 12833 diff changeset	416 if (quit_loop_now ())
8662 af72c8137d64 improve looping over arrays Jaroslav Hajek <highegg@gmail.com> parents: 8658 diff changeset	417 break;
af72c8137d64 improve looping over arrays Jaroslav Hajek <highegg@gmail.com> parents: 8658 diff changeset	418 }
af72c8137d64 improve looping over arrays Jaroslav Hajek <highegg@gmail.com> parents: 8658 diff changeset	419 }
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	420 }
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	421 else
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	422 {
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	423 ::error ("invalid type in for loop expression near line %d, column %d",
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	424 cmd.line (), cmd.column ());
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	425 }
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	426 }
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	427 }
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	428
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	429 void
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	430 tree_evaluator::visit_complex_for_command (tree_complex_for_command& cmd)
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	431 {
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	432 if (error_state)
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	433 return;
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	434
8845 5a6db6bd1a02 eigs.cc (Feigs): fix handling of sigma arg John W. Eaton <jwe@octave.org> parents: 8679 diff changeset	435 if (debug_mode)
9484 bbe033dcfe13 make dbwhere work when called at keyboard prompt John W. Eaton <jwe@octave.org> parents: 9418 diff changeset	436 do_breakpoint (cmd.is_breakpoint ());
8845 5a6db6bd1a02 eigs.cc (Feigs): fix handling of sigma arg John W. Eaton <jwe@octave.org> parents: 8679 diff changeset	437
10066 2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 9494 diff changeset	438 unwind_protect frame;
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	439
10066 2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 9494 diff changeset	440 frame.protect_var (in_loop_command);
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	441
8669 33783e94fb16 line number fixes and other evaluator tweaks John W. Eaton <jwe@octave.org> parents: 8662 diff changeset	442 in_loop_command = true;
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	443
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	444 tree_expression *expr = cmd.control_expr ();
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	445
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	446 octave_value rhs = expr->rvalue1 ();
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	447
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	448 if (error_state \|\| rhs.is_undefined ())
10066 2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 9494 diff changeset	449 return;
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	450
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	451 if (rhs.is_map ())
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	452 {
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	453 // Cycle through structure elements. First element of id_list
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	454 // is set to value and the second is set to the name of the
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	455 // structure element.
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	456
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	457 tree_argument_list *lhs = cmd.left_hand_side ();
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	458
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	459 tree_argument_list::iterator p = lhs->begin ();
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	460
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	461 tree_expression elt = p++;
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	462
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	463 octave_lvalue val_ref = elt->lvalue ();
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	464
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	465 elt = *p;
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	466
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	467 octave_lvalue key_ref = elt->lvalue ();
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	468
11066 e678346a47d9 toplev.cc, sighandlers.cc, utils.cc, octave.cc, pt-eval.cc pt-idx.cc: Octave_map to octave_map and octave_scalar_map conversion John W. Eaton <jwe@octave.org> parents: 10840 diff changeset	469 const octave_map tmp_val = rhs.map_value ();
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	470
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	471 tree_statement_list *loop_body = cmd.body ();
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	472
9494 ca95d991a65a use key list order for iterating through map with for loop John W. Eaton <jwe@octave.org> parents: 9484 diff changeset	473 string_vector keys = tmp_val.keys ();
ca95d991a65a use key list order for iterating through map with for loop John W. Eaton <jwe@octave.org> parents: 9484 diff changeset	474
ca95d991a65a use key list order for iterating through map with for loop John W. Eaton <jwe@octave.org> parents: 9484 diff changeset	475 octave_idx_type nel = keys.numel ();
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	476
9494 ca95d991a65a use key list order for iterating through map with for loop John W. Eaton <jwe@octave.org> parents: 9484 diff changeset	477 for (octave_idx_type i = 0; i < nel; i++)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	478 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	479 std::string key = keys[i];
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	480
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	481 const Cell val_lst = tmp_val.contents (key);
9494 ca95d991a65a use key list order for iterating through map with for loop John W. Eaton <jwe@octave.org> parents: 9484 diff changeset	482
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	483 octave_idx_type n = val_lst.numel ();
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	484
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	485 octave_value val = (n == 1) ? val_lst(0) : octave_value (val_lst);
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	486
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	487 val_ref.assign (octave_value::op_asn_eq, val);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	488 key_ref.assign (octave_value::op_asn_eq, key);
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	489
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	490 if (! error_state && loop_body)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	491 loop_body->accept (*this);
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	492
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	493 if (quit_loop_now ())
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	494 break;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	495 }
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	496 }
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	497 else
15466 d174210ce1ec use ' instead of ` in error messages, warnings and most comments John W. Eaton <jwe@octave.org> parents: 14138 diff changeset	498 error ("in statement 'for [X, Y] = VAL', VAL must be a structure");
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	499 }
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	500
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	501 void
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	502 tree_evaluator::visit_octave_user_script (octave_user_script&)
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	503 {
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	504 panic_impossible ();
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	505 }
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	506
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	507 void
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	508 tree_evaluator::visit_octave_user_function (octave_user_function&)
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	509 {
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	510 panic_impossible ();
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	511 }
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	512
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	513 void
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	514 tree_evaluator::visit_octave_user_function_header (octave_user_function&)
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	515 {
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	516 panic_impossible ();
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	517 }
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	518
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	519 void
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	520 tree_evaluator::visit_octave_user_function_trailer (octave_user_function&)
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	521 {
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	522 panic_impossible ();
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	523 }
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	524
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	525 void
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	526 tree_evaluator::visit_function_def (tree_function_def& cmd)
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	527 {
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	528 octave_value fcn = cmd.function ();
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	529
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	530 octave_function *f = fcn.function_value ();
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	531
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	532 if (f)
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	533 {
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	534 std::string nm = f->name ();
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	535
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	536 symbol_table::install_cmdline_function (nm, fcn);
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	537
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	538 // Make sure that any variable with the same name as the new
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	539 // function is cleared.
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	540
16442 302157614308 deprecate symbol_table::varref functions John W. Eaton <jwe@octave.org> parents: 16396 diff changeset	541 symbol_table::assign (nm);
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	542 }
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	543 }
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	544
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	545 void
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	546 tree_evaluator::visit_identifier (tree_identifier&)
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	547 {
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	548 panic_impossible ();
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	549 }
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	550
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	551 void
8677 095ae5e0a831 eliminte some compiler warnings John W. Eaton <jwe@octave.org> parents: 8669 diff changeset	552 tree_evaluator::visit_if_clause (tree_if_clause&)
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	553 {
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	554 panic_impossible ();
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	555 }
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	556
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	557 void
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	558 tree_evaluator::visit_if_command (tree_if_command& cmd)
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	559 {
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	560 tree_if_command_list *lst = cmd.cmd_list ();
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	561
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	562 if (lst)
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	563 lst->accept (*this);
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	564 }
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	565
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	566 void
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	567 tree_evaluator::visit_if_command_list (tree_if_command_list& lst)
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	568 {
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	569 for (tree_if_command_list::iterator p = lst.begin (); p != lst.end (); p++)
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	570 {
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	571 tree_if_clause tic = p;
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	572
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	573 tree_expression *expr = tic->condition ();
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	574
16354 fb27f1e08297 track line and column info directly in call stack (bug #38556) John W. Eaton <jwe@octave.org> parents: 15606 diff changeset	575 if (statement_context == function \|\| statement_context == script)
fb27f1e08297 track line and column info directly in call stack (bug #38556) John W. Eaton <jwe@octave.org> parents: 15606 diff changeset	576 octave_call_stack::set_location (tic->line (), tic->column ());
fb27f1e08297 track line and column info directly in call stack (bug #38556) John W. Eaton <jwe@octave.org> parents: 15606 diff changeset	577
8845 5a6db6bd1a02 eigs.cc (Feigs): fix handling of sigma arg John W. Eaton <jwe@octave.org> parents: 8679 diff changeset	578 if (debug_mode && ! tic->is_else_clause ())
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	579 do_breakpoint (tic->is_breakpoint ());
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	580
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	581 if (tic->is_else_clause () \|\| expr->is_logically_true ("if"))
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	582 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	583 if (! error_state)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	584 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	585 tree_statement_list *stmt_lst = tic->commands ();
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	586
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	587 if (stmt_lst)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	588 stmt_lst->accept (*this);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	589 }
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	590
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	591 break;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	592 }
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	593 }
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	594 }
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	595
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	596 void
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	597 tree_evaluator::visit_index_expression (tree_index_expression&)
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	598 {
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	599 panic_impossible ();
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	600 }
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	601
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	602 void
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	603 tree_evaluator::visit_matrix (tree_matrix&)
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	604 {
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	605 panic_impossible ();
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	606 }
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	607
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	608 void
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	609 tree_evaluator::visit_cell (tree_cell&)
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	610 {
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	611 panic_impossible ();
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	612 }
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	613
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	614 void
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	615 tree_evaluator::visit_multi_assignment (tree_multi_assignment&)
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	616 {
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	617 panic_impossible ();
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	618 }
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	619
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	620 void
8845 5a6db6bd1a02 eigs.cc (Feigs): fix handling of sigma arg John W. Eaton <jwe@octave.org> parents: 8679 diff changeset	621 tree_evaluator::visit_no_op_command (tree_no_op_command& cmd)
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	622 {
8845 5a6db6bd1a02 eigs.cc (Feigs): fix handling of sigma arg John W. Eaton <jwe@octave.org> parents: 8679 diff changeset	623 if (debug_mode && cmd.is_end_of_fcn_or_script ())
9484 bbe033dcfe13 make dbwhere work when called at keyboard prompt John W. Eaton <jwe@octave.org> parents: 9418 diff changeset	624 do_breakpoint (cmd.is_breakpoint (), true);
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	625 }
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	626
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	627 void
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	628 tree_evaluator::visit_constant (tree_constant&)
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	629 {
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	630 panic_impossible ();
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	631 }
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	632
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	633 void
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	634 tree_evaluator::visit_fcn_handle (tree_fcn_handle&)
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	635 {
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	636 panic_impossible ();
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	637 }
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	638
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	639 void
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	640 tree_evaluator::visit_parameter_list (tree_parameter_list&)
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	641 {
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	642 panic_impossible ();
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	643 }
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	644
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	645 void
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	646 tree_evaluator::visit_postfix_expression (tree_postfix_expression&)
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	647 {
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	648 panic_impossible ();
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	649 }
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	650
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	651 void
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	652 tree_evaluator::visit_prefix_expression (tree_prefix_expression&)
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	653 {
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	654 panic_impossible ();
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	655 }
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	656
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	657 void
8845 5a6db6bd1a02 eigs.cc (Feigs): fix handling of sigma arg John W. Eaton <jwe@octave.org> parents: 8679 diff changeset	658 tree_evaluator::visit_return_command (tree_return_command& cmd)
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	659 {
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	660 if (! error_state)
8845 5a6db6bd1a02 eigs.cc (Feigs): fix handling of sigma arg John W. Eaton <jwe@octave.org> parents: 8679 diff changeset	661 {
5a6db6bd1a02 eigs.cc (Feigs): fix handling of sigma arg John W. Eaton <jwe@octave.org> parents: 8679 diff changeset	662 if (debug_mode)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	663 do_breakpoint (cmd.is_breakpoint ());
8845 5a6db6bd1a02 eigs.cc (Feigs): fix handling of sigma arg John W. Eaton <jwe@octave.org> parents: 8679 diff changeset	664
10188 97ae300aa73a improve implementation of break, continue, and return commands John W. Eaton <jwe@octave.org> parents: 10186 diff changeset	665 // Act like dbcont.
97ae300aa73a improve implementation of break, continue, and return commands John W. Eaton <jwe@octave.org> parents: 10186 diff changeset	666
97ae300aa73a improve implementation of break, continue, and return commands John W. Eaton <jwe@octave.org> parents: 10186 diff changeset	667 if (Vdebugging
97ae300aa73a improve implementation of break, continue, and return commands John W. Eaton <jwe@octave.org> parents: 10186 diff changeset	668 && octave_call_stack::current_frame () == current_frame)
97ae300aa73a improve implementation of break, continue, and return commands John W. Eaton <jwe@octave.org> parents: 10186 diff changeset	669 {
97ae300aa73a improve implementation of break, continue, and return commands John W. Eaton <jwe@octave.org> parents: 10186 diff changeset	670 Vdebugging = false;
97ae300aa73a improve implementation of break, continue, and return commands John W. Eaton <jwe@octave.org> parents: 10186 diff changeset	671
10194 d4f813c3f5ed more debug mode fixes John W. Eaton <jwe@octave.org> parents: 10188 diff changeset	672 reset_debug_state ();
10188 97ae300aa73a improve implementation of break, continue, and return commands John W. Eaton <jwe@octave.org> parents: 10186 diff changeset	673 }
11304 c9fefa096ce2 echo commands in scripts John W. Eaton <jwe@octave.org> parents: 11066 diff changeset	674 else if (statement_context == function \|\| statement_context == script
c9fefa096ce2 echo commands in scripts John W. Eaton <jwe@octave.org> parents: 11066 diff changeset	675 \|\| in_loop_command)
10188 97ae300aa73a improve implementation of break, continue, and return commands John W. Eaton <jwe@octave.org> parents: 10186 diff changeset	676 tree_return_command::returning = 1;
8845 5a6db6bd1a02 eigs.cc (Feigs): fix handling of sigma arg John W. Eaton <jwe@octave.org> parents: 8679 diff changeset	677 }
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	678 }
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	679
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	680 void
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	681 tree_evaluator::visit_return_list (tree_return_list&)
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	682 {
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	683 panic_impossible ();
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	684 }
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	685
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	686 void
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	687 tree_evaluator::visit_simple_assignment (tree_simple_assignment&)
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	688 {
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	689 panic_impossible ();
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	690 }
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	691
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	692 void
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	693 tree_evaluator::visit_statement (tree_statement& stmt)
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	694 {
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	695 tree_command *cmd = stmt.command ();
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	696 tree_expression *expr = stmt.expression ();
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	697
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	698 if (cmd \|\| expr)
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	699 {
11304 c9fefa096ce2 echo commands in scripts John W. Eaton <jwe@octave.org> parents: 11066 diff changeset	700 if (statement_context == function \|\| statement_context == script)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	701 {
10839 65bc065bec95 still more debugger fixes John W. Eaton <jwe@octave.org> parents: 10836 diff changeset	702 // Skip commands issued at a debug> prompt to avoid disturbing
65bc065bec95 still more debugger fixes John W. Eaton <jwe@octave.org> parents: 10836 diff changeset	703 // the state of the program we are debugging.
65bc065bec95 still more debugger fixes John W. Eaton <jwe@octave.org> parents: 10836 diff changeset	704
65bc065bec95 still more debugger fixes John W. Eaton <jwe@octave.org> parents: 10836 diff changeset	705 if (! Vdebugging)
16354 fb27f1e08297 track line and column info directly in call stack (bug #38556) John W. Eaton <jwe@octave.org> parents: 15606 diff changeset	706 octave_call_stack::set_location (stmt.line (), stmt.column ());
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	707
11304 c9fefa096ce2 echo commands in scripts John W. Eaton <jwe@octave.org> parents: 11066 diff changeset	708 // FIXME -- we need to distinguish functions from scripts to
c9fefa096ce2 echo commands in scripts John W. Eaton <jwe@octave.org> parents: 11066 diff changeset	709 // get this right.
c9fefa096ce2 echo commands in scripts John W. Eaton <jwe@octave.org> parents: 11066 diff changeset	710 if ((statement_context == script
c9fefa096ce2 echo commands in scripts John W. Eaton <jwe@octave.org> parents: 11066 diff changeset	711 && ((Vecho_executing_commands & ECHO_SCRIPTS)
c9fefa096ce2 echo commands in scripts John W. Eaton <jwe@octave.org> parents: 11066 diff changeset	712 \|\| (Vecho_executing_commands & ECHO_FUNCTIONS)))
c9fefa096ce2 echo commands in scripts John W. Eaton <jwe@octave.org> parents: 11066 diff changeset	713 \|\| (statement_context == function
c9fefa096ce2 echo commands in scripts John W. Eaton <jwe@octave.org> parents: 11066 diff changeset	714 && (Vecho_executing_commands & ECHO_FUNCTIONS)))
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	715 stmt.echo_code ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	716 }
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	717
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	718 try
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	719 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	720 if (cmd)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	721 cmd->accept (*this);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	722 else
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	723 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	724 if (debug_mode)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	725 do_breakpoint (expr->is_breakpoint ());
8845 5a6db6bd1a02 eigs.cc (Feigs): fix handling of sigma arg John W. Eaton <jwe@octave.org> parents: 8679 diff changeset	726
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	727 // FIXME -- maybe all of this should be packaged in
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	728 // one virtual function that returns a flag saying whether
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	729 // or not the expression will take care of binding ans and
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	730 // printing the result.
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	731
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	732 // FIXME -- it seems that we should just have to
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	733 // call expr->rvalue1 () and that should take care of
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	734 // everything, binding ans as necessary?
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	735
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	736 bool do_bind_ans = false;
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	737
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	738 if (expr->is_identifier ())
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	739 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	740 tree_identifier id = dynamic_cast<tree_identifier > (expr);
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	741
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	742 do_bind_ans = (! id->is_variable ());
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	743 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	744 else
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	745 do_bind_ans = (! expr->is_assignment_expression ());
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	746
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	747 octave_value tmp_result = expr->rvalue1 (0);
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	748
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	749 if (do_bind_ans && ! (error_state \|\| tmp_result.is_undefined ()))
15606 fb9dffe5fbfb The silent_functions flag no longer modifies the parse tree Max Brister <max@2bass.com> parents: 15582 diff changeset	750 bind_ans (tmp_result, expr->print_result ()
fb9dffe5fbfb The silent_functions flag no longer modifies the parse tree Max Brister <max@2bass.com> parents: 15582 diff changeset	751 && statement_printing_enabled ());
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	752
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	753 // if (tmp_result.is_defined ())
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	754 // result_values(0) = tmp_result;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	755 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	756 }
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	757 catch (octave_execution_exception)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	758 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	759 gripe_library_execution_error ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	760 }
15244 c16357c4bdbb attempt to display location of out of memory errors in interpreted code John W. Eaton <jwe@octave.org> parents: 15195 diff changeset	761 catch (std::bad_alloc)
c16357c4bdbb attempt to display location of out of memory errors in interpreted code John W. Eaton <jwe@octave.org> parents: 15195 diff changeset	762 {
c16357c4bdbb attempt to display location of out of memory errors in interpreted code John W. Eaton <jwe@octave.org> parents: 15195 diff changeset	763 // FIXME -- We want to use error_with_id here so that we set
c16357c4bdbb attempt to display location of out of memory errors in interpreted code John W. Eaton <jwe@octave.org> parents: 15195 diff changeset	764 // the error state, give users control over this error
c16357c4bdbb attempt to display location of out of memory errors in interpreted code John W. Eaton <jwe@octave.org> parents: 15195 diff changeset	765 // message, and so that we set the error_state appropriately
c16357c4bdbb attempt to display location of out of memory errors in interpreted code John W. Eaton <jwe@octave.org> parents: 15195 diff changeset	766 // so we'll get stack trace info when appropriate. But
c16357c4bdbb attempt to display location of out of memory errors in interpreted code John W. Eaton <jwe@octave.org> parents: 15195 diff changeset	767 // error_with_id will require some memory allocations. Is
c16357c4bdbb attempt to display location of out of memory errors in interpreted code John W. Eaton <jwe@octave.org> parents: 15195 diff changeset	768 // there anything we can do to make those more likely to
c16357c4bdbb attempt to display location of out of memory errors in interpreted code John W. Eaton <jwe@octave.org> parents: 15195 diff changeset	769 // succeed?
c16357c4bdbb attempt to display location of out of memory errors in interpreted code John W. Eaton <jwe@octave.org> parents: 15195 diff changeset	770
c16357c4bdbb attempt to display location of out of memory errors in interpreted code John W. Eaton <jwe@octave.org> parents: 15195 diff changeset	771 error_with_id ("Octave:bad-alloc",
c16357c4bdbb attempt to display location of out of memory errors in interpreted code John W. Eaton <jwe@octave.org> parents: 15195 diff changeset	772 "out of memory or dimension too large for Octave's index type");
c16357c4bdbb attempt to display location of out of memory errors in interpreted code John W. Eaton <jwe@octave.org> parents: 15195 diff changeset	773 }
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	774 }
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	775 }
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	776
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	777 void
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	778 tree_evaluator::visit_statement_list (tree_statement_list& lst)
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	779 {
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	780 static octave_value_list empty_list;
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	781
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	782 if (error_state)
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	783 return;
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	784
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	785 tree_statement_list::iterator p = lst.begin ();
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	786
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	787 if (p != lst.end ())
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	788 {
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	789 while (true)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	790 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	791 tree_statement elt = p++;
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	792
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	793 if (elt)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	794 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	795 octave_quit ();
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	796
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	797 elt->accept (*this);
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	798
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	799 if (error_state)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	800 break;
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	801
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	802 if (tree_break_command::breaking
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	803 \|\| tree_continue_command::continuing)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	804 break;
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	805
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	806 if (tree_return_command::returning)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	807 break;
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	808
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	809 if (p == lst.end ())
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	810 break;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	811 else
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	812 {
17344 b81b9d079515 Use '##' for comments which stand alone on a line. Rik <rik@octave.org> parents: 17289 diff changeset	813 // Clear previous values before next statement is
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	814 // evaluated so that we aren't holding an extra
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	815 // reference to a value that may be used next. For
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	816 // example, in code like this:
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	817 //
17344 b81b9d079515 Use '##' for comments which stand alone on a line. Rik <rik@octave.org> parents: 17289 diff changeset	818 // X = rand (N); # refcount for X should be 1
b81b9d079515 Use '##' for comments which stand alone on a line. Rik <rik@octave.org> parents: 17289 diff changeset	819 // # after this statement
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	820 //
17344 b81b9d079515 Use '##' for comments which stand alone on a line. Rik <rik@octave.org> parents: 17289 diff changeset	821 // X(idx) = val; # no extra copy of X should be
b81b9d079515 Use '##' for comments which stand alone on a line. Rik <rik@octave.org> parents: 17289 diff changeset	822 // # needed, but we will be faked
b81b9d079515 Use '##' for comments which stand alone on a line. Rik <rik@octave.org> parents: 17289 diff changeset	823 // # out if retval is not cleared
b81b9d079515 Use '##' for comments which stand alone on a line. Rik <rik@octave.org> parents: 17289 diff changeset	824 // # between statements here
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	825
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	826 // result_values = empty_list;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	827 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	828 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	829 else
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	830 error ("invalid statement found in statement list!");
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	831 }
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	832 }
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	833 }
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	834
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	835 void
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	836 tree_evaluator::visit_switch_case (tree_switch_case&)
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	837 {
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	838 panic_impossible ();
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	839 }
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	840
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	841 void
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	842 tree_evaluator::visit_switch_case_list (tree_switch_case_list&)
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	843 {
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	844 panic_impossible ();
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	845 }
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	846
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	847 void
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	848 tree_evaluator::visit_switch_command (tree_switch_command& cmd)
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	849 {
10836 6abf966379de pt-eval.cc: process breakpoints for if and switch commands John W. Eaton <jwe@octave.org> parents: 10578 diff changeset	850 if (debug_mode)
6abf966379de pt-eval.cc: process breakpoints for if and switch commands John W. Eaton <jwe@octave.org> parents: 10578 diff changeset	851 do_breakpoint (cmd.is_breakpoint ());
6abf966379de pt-eval.cc: process breakpoints for if and switch commands John W. Eaton <jwe@octave.org> parents: 10578 diff changeset	852
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	853 tree_expression *expr = cmd.switch_value ();
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	854
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	855 if (expr)
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	856 {
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	857 octave_value val = expr->rvalue1 ();
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	858
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	859 tree_switch_case_list *lst = cmd.case_list ();
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	860
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	861 if (! error_state && lst)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	862 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	863 for (tree_switch_case_list::iterator p = lst->begin ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	864 p != lst->end (); p++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	865 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	866 tree_switch_case t = p;
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	867
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	868 if (t->is_default_case () \|\| t->label_matches (val))
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	869 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	870 if (error_state)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	871 break;
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	872
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	873 tree_statement_list *stmt_lst = t->commands ();
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	874
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	875 if (stmt_lst)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	876 stmt_lst->accept (*this);
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	877
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	878 break;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	879 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	880 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	881 }
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	882 }
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	883 else
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	884 ::error ("missing value in switch command near line %d, column %d",
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	885 cmd.line (), cmd.column ());
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	886 }
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	887
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	888 void
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	889 tree_evaluator::visit_try_catch_command (tree_try_catch_command& cmd)
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	890 {
10066 2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 9494 diff changeset	891 unwind_protect frame;
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	892
10066 2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 9494 diff changeset	893 frame.protect_var (buffer_error_messages);
2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 9494 diff changeset	894 frame.protect_var (Vdebug_on_error);
2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 9494 diff changeset	895 frame.protect_var (Vdebug_on_warning);
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	896
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	897 buffer_error_messages++;
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	898 Vdebug_on_error = false;
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	899 Vdebug_on_warning = false;
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	900
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	901 tree_statement_list *catch_code = cmd.cleanup ();
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	902
10066 2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 9494 diff changeset	903 // The catch code is not added to unwind_protect stack; it doesn't need
2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 9494 diff changeset	904 // to be run on interrupts.
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	905
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	906 tree_statement_list *try_code = cmd.body ();
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	907
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	908 if (try_code)
10066 2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 9494 diff changeset	909 {
2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 9494 diff changeset	910 try_code->accept (*this);
2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 9494 diff changeset	911 }
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	912
10066 2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 9494 diff changeset	913 if (error_state)
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	914 {
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	915 error_state = 0;
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	916
10066 2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 9494 diff changeset	917 if (catch_code)
2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 9494 diff changeset	918 {
2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 9494 diff changeset	919 // Set up for letting the user print any messages from errors that
2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 9494 diff changeset	920 // occurred in the body of the try_catch statement.
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	921
10066 2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 9494 diff changeset	922 buffer_error_messages--;
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	923
17257 923ce8b42db2 improve try-catch-statement to save exception to a variable (bug #33217) Stefan Mahr <dac922@gmx.de> parents: 16442 diff changeset	924 tree_identifier *expr_id = cmd.identifier ();
923ce8b42db2 improve try-catch-statement to save exception to a variable (bug #33217) Stefan Mahr <dac922@gmx.de> parents: 16442 diff changeset	925 octave_lvalue ult;
923ce8b42db2 improve try-catch-statement to save exception to a variable (bug #33217) Stefan Mahr <dac922@gmx.de> parents: 16442 diff changeset	926
923ce8b42db2 improve try-catch-statement to save exception to a variable (bug #33217) Stefan Mahr <dac922@gmx.de> parents: 16442 diff changeset	927 if (expr_id)
923ce8b42db2 improve try-catch-statement to save exception to a variable (bug #33217) Stefan Mahr <dac922@gmx.de> parents: 16442 diff changeset	928 {
923ce8b42db2 improve try-catch-statement to save exception to a variable (bug #33217) Stefan Mahr <dac922@gmx.de> parents: 16442 diff changeset	929
923ce8b42db2 improve try-catch-statement to save exception to a variable (bug #33217) Stefan Mahr <dac922@gmx.de> parents: 16442 diff changeset	930 octave_scalar_map err;
923ce8b42db2 improve try-catch-statement to save exception to a variable (bug #33217) Stefan Mahr <dac922@gmx.de> parents: 16442 diff changeset	931
923ce8b42db2 improve try-catch-statement to save exception to a variable (bug #33217) Stefan Mahr <dac922@gmx.de> parents: 16442 diff changeset	932 ult = expr_id->lvalue ();
923ce8b42db2 improve try-catch-statement to save exception to a variable (bug #33217) Stefan Mahr <dac922@gmx.de> parents: 16442 diff changeset	933
923ce8b42db2 improve try-catch-statement to save exception to a variable (bug #33217) Stefan Mahr <dac922@gmx.de> parents: 16442 diff changeset	934 if (error_state)
923ce8b42db2 improve try-catch-statement to save exception to a variable (bug #33217) Stefan Mahr <dac922@gmx.de> parents: 16442 diff changeset	935 return;
923ce8b42db2 improve try-catch-statement to save exception to a variable (bug #33217) Stefan Mahr <dac922@gmx.de> parents: 16442 diff changeset	936
923ce8b42db2 improve try-catch-statement to save exception to a variable (bug #33217) Stefan Mahr <dac922@gmx.de> parents: 16442 diff changeset	937 err.assign ("message", last_error_message ());
923ce8b42db2 improve try-catch-statement to save exception to a variable (bug #33217) Stefan Mahr <dac922@gmx.de> parents: 16442 diff changeset	938 err.assign ("identifier", last_error_id ());
923ce8b42db2 improve try-catch-statement to save exception to a variable (bug #33217) Stefan Mahr <dac922@gmx.de> parents: 16442 diff changeset	939
923ce8b42db2 improve try-catch-statement to save exception to a variable (bug #33217) Stefan Mahr <dac922@gmx.de> parents: 16442 diff changeset	940 if (! error_state)
923ce8b42db2 improve try-catch-statement to save exception to a variable (bug #33217) Stefan Mahr <dac922@gmx.de> parents: 16442 diff changeset	941 ult.assign (octave_value::op_asn_eq, err);
923ce8b42db2 improve try-catch-statement to save exception to a variable (bug #33217) Stefan Mahr <dac922@gmx.de> parents: 16442 diff changeset	942
923ce8b42db2 improve try-catch-statement to save exception to a variable (bug #33217) Stefan Mahr <dac922@gmx.de> parents: 16442 diff changeset	943 }
923ce8b42db2 improve try-catch-statement to save exception to a variable (bug #33217) Stefan Mahr <dac922@gmx.de> parents: 16442 diff changeset	944
10066 2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 9494 diff changeset	945 if (catch_code)
2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 9494 diff changeset	946 catch_code->accept (*this);
2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 9494 diff changeset	947 }
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	948 }
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	949 }
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	950
10066 2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 9494 diff changeset	951 void
2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 9494 diff changeset	952 tree_evaluator::do_unwind_protect_cleanup_code (tree_statement_list *list)
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	953 {
10066 2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 9494 diff changeset	954 unwind_protect frame;
2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 9494 diff changeset	955
2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 9494 diff changeset	956 frame.protect_var (octave_interrupt_state);
9383 d57f0c56195f improve error handling Jaroslav Hajek <highegg@gmail.com> parents: 9378 diff changeset	957 octave_interrupt_state = 0;
d57f0c56195f improve error handling Jaroslav Hajek <highegg@gmail.com> parents: 9378 diff changeset	958
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	959 // We want to run the cleanup code without error_state being set,
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	960 // but we need to restore its value, so that any errors encountered
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	961 // in the first part of the unwind_protect are not completely
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	962 // ignored.
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	963
10066 2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 9494 diff changeset	964 frame.protect_var (error_state);
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	965 error_state = 0;
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	966
16354 fb27f1e08297 track line and column info directly in call stack (bug #38556) John W. Eaton <jwe@octave.org> parents: 15606 diff changeset	967 // We want to preserve the last location info for possible
10210 752f349052a2 ensure correct backtraces after error in unwind_protect Jaroslav Hajek <highegg@gmail.com> parents: 10194 diff changeset	968 // backtracking.
16354 fb27f1e08297 track line and column info directly in call stack (bug #38556) John W. Eaton <jwe@octave.org> parents: 15606 diff changeset	969 frame.add_fcn (octave_call_stack::set_line,
fb27f1e08297 track line and column info directly in call stack (bug #38556) John W. Eaton <jwe@octave.org> parents: 15606 diff changeset	970 octave_call_stack::current_line ());
fb27f1e08297 track line and column info directly in call stack (bug #38556) John W. Eaton <jwe@octave.org> parents: 15606 diff changeset	971 frame.add_fcn (octave_call_stack::set_column,
fb27f1e08297 track line and column info directly in call stack (bug #38556) John W. Eaton <jwe@octave.org> parents: 15606 diff changeset	972 octave_call_stack::current_column ());
10210 752f349052a2 ensure correct backtraces after error in unwind_protect Jaroslav Hajek <highegg@gmail.com> parents: 10194 diff changeset	973
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	974 // Similarly, if we have seen a return or break statement, allow all
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	975 // the cleanup code to run before returning or handling the break.
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	976 // We don't have to worry about continue statements because they can
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	977 // only occur in loops.
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	978
10066 2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 9494 diff changeset	979 frame.protect_var (tree_return_command::returning);
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	980 tree_return_command::returning = 0;
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	981
10066 2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 9494 diff changeset	982 frame.protect_var (tree_break_command::breaking);
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	983 tree_break_command::breaking = 0;
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	984
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	985 if (list)
10066 2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 9494 diff changeset	986 list->accept (*this);
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	987
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	988 // The unwind_protects are popped off the stack in the reverse of
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	989 // the order they are pushed on.
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	990
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	991 // FIXME -- these statements say that if we see a break or
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	992 // return statement in the cleanup block, that we want to use the
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	993 // new value of the breaking or returning flag instead of restoring
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	994 // the previous value. Is that the right thing to do? I think so.
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	995 // Consider the case of
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	996 //
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	997 // function foo ()
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	998 // unwind_protect
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	999 // stderr << "1: this should always be executed\n";
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1000 // break;
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1001 // stderr << "1: this should never be executed\n";
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1002 // unwind_protect_cleanup
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1003 // stderr << "2: this should always be executed\n";
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1004 // return;
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1005 // stderr << "2: this should never be executed\n";
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1006 // end_unwind_protect
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1007 // endfunction
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1008 //
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1009 // If we reset the value of the breaking flag, both the returning
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1010 // flag and the breaking flag will be set, and we shouldn't have
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1011 // both. So, use the most recent one. If there is no return or
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1012 // break in the cleanup block, the values should be reset to
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1013 // whatever they were when the cleanup block was entered.
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1014
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1015 if (tree_break_command::breaking \|\| tree_return_command::returning)
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1016 {
15469 72868cae7624 eliminate some deprecated function warnings John W. Eaton <jwe@octave.org> parents: 15467 diff changeset	1017 frame.discard (2);
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1018 }
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1019 else
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1020 {
15469 72868cae7624 eliminate some deprecated function warnings John W. Eaton <jwe@octave.org> parents: 15467 diff changeset	1021 frame.run (2);
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1022 }
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1023
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1024 // We don't want to ignore errors that occur in the cleanup code, so
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1025 // if an error is encountered there, leave error_state alone.
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1026 // Otherwise, set it back to what it was before.
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1027
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1028 if (error_state)
15469 72868cae7624 eliminate some deprecated function warnings John W. Eaton <jwe@octave.org> parents: 15467 diff changeset	1029 frame.discard (2);
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1030 else
15469 72868cae7624 eliminate some deprecated function warnings John W. Eaton <jwe@octave.org> parents: 15467 diff changeset	1031 frame.run (2);
9418 f008a3a1bcb0 add missing unwind_protect::run in pt-eval.cc Jaroslav Hajek <highegg@gmail.com> parents: 9396 diff changeset	1032
10066 2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 9494 diff changeset	1033 frame.run ();
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1034 }
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1035
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1036 void
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1037 tree_evaluator::visit_unwind_protect_command (tree_unwind_protect_command& cmd)
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1038 {
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1039 tree_statement_list *cleanup_code = cmd.cleanup ();
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1040
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1041 tree_statement_list *unwind_protect_code = cmd.body ();
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1042
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1043 if (unwind_protect_code)
10066 2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 9494 diff changeset	1044 {
2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 9494 diff changeset	1045 try
2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 9494 diff changeset	1046 {
2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 9494 diff changeset	1047 unwind_protect_code->accept (*this);
2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 9494 diff changeset	1048 }
2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 9494 diff changeset	1049 catch (...)
2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 9494 diff changeset	1050 {
2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 9494 diff changeset	1051 // Run the cleanup code on exceptions, so that it is run even in case
2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 9494 diff changeset	1052 // of interrupt or out-of-memory.
2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 9494 diff changeset	1053 do_unwind_protect_cleanup_code (cleanup_code);
2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 9494 diff changeset	1054 // FIXME: should error_state be checked here?
2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 9494 diff changeset	1055 // We want to rethrow the exception, even if error_state is set, so
2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 9494 diff changeset	1056 // that interrupts continue.
2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 9494 diff changeset	1057 throw;
2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 9494 diff changeset	1058 }
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1059
10066 2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 9494 diff changeset	1060 do_unwind_protect_cleanup_code (cleanup_code);
2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 9494 diff changeset	1061 }
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1062 }
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1063
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1064 void
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1065 tree_evaluator::visit_while_command (tree_while_command& cmd)
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1066 {
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1067 if (error_state)
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1068 return;
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1069
15023 75d1bc2fd6d2 Compile top level while loops in JIT. Max Brister <max@2bass.com> parents: 14932 diff changeset	1070 #if HAVE_LLVM
15582 52df2e7baabe Disable JIT when breakpoints are present Max Brister <max@2bass.com> parents: 15575 diff changeset	1071 if (tree_jit::execute (cmd))
15023 75d1bc2fd6d2 Compile top level while loops in JIT. Max Brister <max@2bass.com> parents: 14932 diff changeset	1072 return;
75d1bc2fd6d2 Compile top level while loops in JIT. Max Brister <max@2bass.com> parents: 14932 diff changeset	1073 #endif
75d1bc2fd6d2 Compile top level while loops in JIT. Max Brister <max@2bass.com> parents: 14932 diff changeset	1074
10066 2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 9494 diff changeset	1075 unwind_protect frame;
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1076
10066 2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 9494 diff changeset	1077 frame.protect_var (in_loop_command);
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1078
8669 33783e94fb16 line number fixes and other evaluator tweaks John W. Eaton <jwe@octave.org> parents: 8662 diff changeset	1079 in_loop_command = true;
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1080
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1081 tree_expression *expr = cmd.condition ();
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1082
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1083 if (! expr)
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1084 panic_impossible ();
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1085
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1086 for (;;)
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1087 {
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1088 if (debug_mode)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	1089 do_breakpoint (cmd.is_breakpoint ());
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1090
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1091 if (expr->is_logically_true ("while"))
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	1092 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	1093 tree_statement_list *loop_body = cmd.body ();
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1094
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	1095 if (loop_body)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	1096 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	1097 loop_body->accept (*this);
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1098
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	1099 if (error_state)
10066 2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 9494 diff changeset	1100 return;
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	1101 }
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1102
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	1103 if (quit_loop_now ())
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	1104 break;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	1105 }
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1106 else
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	1107 break;
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1108 }
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1109 }
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1110
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1111 void
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1112 tree_evaluator::visit_do_until_command (tree_do_until_command& cmd)
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1113 {
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1114 if (error_state)
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1115 return;
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1116
17092 a5aa4ac7d6b6 Add the do-until statement support LYH <lyh.kernel@gmail.com> parents: 16442 diff changeset	1117 #if HAVE_LLVM
a5aa4ac7d6b6 Add the do-until statement support LYH <lyh.kernel@gmail.com> parents: 16442 diff changeset	1118 if (tree_jit::execute (cmd))
a5aa4ac7d6b6 Add the do-until statement support LYH <lyh.kernel@gmail.com> parents: 16442 diff changeset	1119 return;
a5aa4ac7d6b6 Add the do-until statement support LYH <lyh.kernel@gmail.com> parents: 16442 diff changeset	1120 #endif
a5aa4ac7d6b6 Add the do-until statement support LYH <lyh.kernel@gmail.com> parents: 16442 diff changeset	1121
10066 2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 9494 diff changeset	1122 unwind_protect frame;
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1123
10066 2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 9494 diff changeset	1124 frame.protect_var (in_loop_command);
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1125
8669 33783e94fb16 line number fixes and other evaluator tweaks John W. Eaton <jwe@octave.org> parents: 8662 diff changeset	1126 in_loop_command = true;
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1127
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1128 tree_expression *expr = cmd.condition ();
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1129
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1130 if (! expr)
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1131 panic_impossible ();
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1132
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1133 for (;;)
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1134 {
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1135 tree_statement_list *loop_body = cmd.body ();
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1136
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1137 if (loop_body)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	1138 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	1139 loop_body->accept (*this);
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1140
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	1141 if (error_state)
10066 2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 9494 diff changeset	1142 return;
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	1143 }
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1144
8845 5a6db6bd1a02 eigs.cc (Feigs): fix handling of sigma arg John W. Eaton <jwe@octave.org> parents: 8679 diff changeset	1145 if (quit_loop_now ())
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	1146 break;
8845 5a6db6bd1a02 eigs.cc (Feigs): fix handling of sigma arg John W. Eaton <jwe@octave.org> parents: 8679 diff changeset	1147
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1148 if (debug_mode)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	1149 do_breakpoint (cmd.is_breakpoint ());
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1150
8845 5a6db6bd1a02 eigs.cc (Feigs): fix handling of sigma arg John W. Eaton <jwe@octave.org> parents: 8679 diff changeset	1151 if (expr->is_logically_true ("do-until"))
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	1152 break;
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1153 }
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1154 }
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1155
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1156 void
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1157 tree_evaluator::do_breakpoint (tree_statement& stmt) const
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1158 {
9484 bbe033dcfe13 make dbwhere work when called at keyboard prompt John W. Eaton <jwe@octave.org> parents: 9418 diff changeset	1159 do_breakpoint (stmt.is_breakpoint (), stmt.is_end_of_fcn_or_script ());
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1160 }
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1161
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1162 void
9484 bbe033dcfe13 make dbwhere work when called at keyboard prompt John W. Eaton <jwe@octave.org> parents: 9418 diff changeset	1163 tree_evaluator::do_breakpoint (bool is_breakpoint,
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	1164 bool is_end_of_fcn_or_script) const
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1165 {
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1166 bool break_on_this_statement = false;
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1167
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1168 if (octave_debug_on_interrupt_state)
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1169 {
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1170 break_on_this_statement = true;
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1171
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1172 octave_debug_on_interrupt_state = false;
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1173
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1174 current_frame = octave_call_stack::current_frame ();
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1175 }
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1176 else if (is_breakpoint)
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1177 {
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1178 break_on_this_statement = true;
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1179
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1180 dbstep_flag = 0;
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1181
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1182 current_frame = octave_call_stack::current_frame ();
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1183 }
15574 d20cbfec6df7 Fix off-by-1 error when executing 'dbstep N' Rik <rik@octave.org> parents: 15469 diff changeset	1184 else if (dbstep_flag > 0)
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1185 {
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1186 if (octave_call_stack::current_frame () == current_frame)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	1187 {
15574 d20cbfec6df7 Fix off-by-1 error when executing 'dbstep N' Rik <rik@octave.org> parents: 15469 diff changeset	1188 if (dbstep_flag == 1 \|\| is_end_of_fcn_or_script)
d20cbfec6df7 Fix off-by-1 error when executing 'dbstep N' Rik <rik@octave.org> parents: 15469 diff changeset	1189 {
d20cbfec6df7 Fix off-by-1 error when executing 'dbstep N' Rik <rik@octave.org> parents: 15469 diff changeset	1190 // We get here if we are doing a "dbstep" or a "dbstep N" and the
d20cbfec6df7 Fix off-by-1 error when executing 'dbstep N' Rik <rik@octave.org> parents: 15469 diff changeset	1191 // count has reached 1 so that we must stop and return to debug
d20cbfec6df7 Fix off-by-1 error when executing 'dbstep N' Rik <rik@octave.org> parents: 15469 diff changeset	1192 // prompt. Alternatively, "dbstep N" has been used but the end
d20cbfec6df7 Fix off-by-1 error when executing 'dbstep N' Rik <rik@octave.org> parents: 15469 diff changeset	1193 // of the frame has been reached so we stop at the last line and
d20cbfec6df7 Fix off-by-1 error when executing 'dbstep N' Rik <rik@octave.org> parents: 15469 diff changeset	1194 // return to prompt.
d20cbfec6df7 Fix off-by-1 error when executing 'dbstep N' Rik <rik@octave.org> parents: 15469 diff changeset	1195
d20cbfec6df7 Fix off-by-1 error when executing 'dbstep N' Rik <rik@octave.org> parents: 15469 diff changeset	1196 break_on_this_statement = true;
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1197
15574 d20cbfec6df7 Fix off-by-1 error when executing 'dbstep N' Rik <rik@octave.org> parents: 15469 diff changeset	1198 dbstep_flag = 0;
d20cbfec6df7 Fix off-by-1 error when executing 'dbstep N' Rik <rik@octave.org> parents: 15469 diff changeset	1199 }
d20cbfec6df7 Fix off-by-1 error when executing 'dbstep N' Rik <rik@octave.org> parents: 15469 diff changeset	1200 else
d20cbfec6df7 Fix off-by-1 error when executing 'dbstep N' Rik <rik@octave.org> parents: 15469 diff changeset	1201 {
15575 5f37c24350db maint: Shorten long line to less than 80 characters in checkin d20cbfec6df7. Rik <rik@octave.org> parents: 15574 diff changeset	1202 // Executing "dbstep N". Decrease N by one and continue.
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1203
15574 d20cbfec6df7 Fix off-by-1 error when executing 'dbstep N' Rik <rik@octave.org> parents: 15469 diff changeset	1204 dbstep_flag--;
d20cbfec6df7 Fix off-by-1 error when executing 'dbstep N' Rik <rik@octave.org> parents: 15469 diff changeset	1205 }
d20cbfec6df7 Fix off-by-1 error when executing 'dbstep N' Rik <rik@octave.org> parents: 15469 diff changeset	1206
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	1207 }
16396 c6a13c1900fc make "dbstep out" and "dbstep" after "dbstep in" work properly John W. Eaton <jwe@octave.org> parents: 16354 diff changeset	1208 else if (dbstep_flag == 1
c6a13c1900fc make "dbstep out" and "dbstep" after "dbstep in" work properly John W. Eaton <jwe@octave.org> parents: 16354 diff changeset	1209 && octave_call_stack::current_frame () < current_frame)
c6a13c1900fc make "dbstep out" and "dbstep" after "dbstep in" work properly John W. Eaton <jwe@octave.org> parents: 16354 diff changeset	1210 {
c6a13c1900fc make "dbstep out" and "dbstep" after "dbstep in" work properly John W. Eaton <jwe@octave.org> parents: 16354 diff changeset	1211 // We stepped out from the end of a function.
c6a13c1900fc make "dbstep out" and "dbstep" after "dbstep in" work properly John W. Eaton <jwe@octave.org> parents: 16354 diff changeset	1212
c6a13c1900fc make "dbstep out" and "dbstep" after "dbstep in" work properly John W. Eaton <jwe@octave.org> parents: 16354 diff changeset	1213 current_frame = octave_call_stack::current_frame ();
c6a13c1900fc make "dbstep out" and "dbstep" after "dbstep in" work properly John W. Eaton <jwe@octave.org> parents: 16354 diff changeset	1214
c6a13c1900fc make "dbstep out" and "dbstep" after "dbstep in" work properly John W. Eaton <jwe@octave.org> parents: 16354 diff changeset	1215 break_on_this_statement = true;
c6a13c1900fc make "dbstep out" and "dbstep" after "dbstep in" work properly John W. Eaton <jwe@octave.org> parents: 16354 diff changeset	1216
c6a13c1900fc make "dbstep out" and "dbstep" after "dbstep in" work properly John W. Eaton <jwe@octave.org> parents: 16354 diff changeset	1217 dbstep_flag = 0;
c6a13c1900fc make "dbstep out" and "dbstep" after "dbstep in" work properly John W. Eaton <jwe@octave.org> parents: 16354 diff changeset	1218 }
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1219 }
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1220 else if (dbstep_flag == -1)
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1221 {
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1222 // We get here if we are doing a "dbstep in".
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1223
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1224 break_on_this_statement = true;
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1225
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1226 dbstep_flag = 0;
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1227
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1228 current_frame = octave_call_stack::current_frame ();
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1229 }
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1230 else if (dbstep_flag == -2)
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1231 {
16396 c6a13c1900fc make "dbstep out" and "dbstep" after "dbstep in" work properly John W. Eaton <jwe@octave.org> parents: 16354 diff changeset	1232 // We get here if we are doing a "dbstep out". Check for end of
c6a13c1900fc make "dbstep out" and "dbstep" after "dbstep in" work properly John W. Eaton <jwe@octave.org> parents: 16354 diff changeset	1233 // function and whether the current frame is the same as the
c6a13c1900fc make "dbstep out" and "dbstep" after "dbstep in" work properly John W. Eaton <jwe@octave.org> parents: 16354 diff changeset	1234 // cached value because we want to step out from the frame where
c6a13c1900fc make "dbstep out" and "dbstep" after "dbstep in" work properly John W. Eaton <jwe@octave.org> parents: 16354 diff changeset	1235 // "dbstep out" was evaluated, not from any functions called from
c6a13c1900fc make "dbstep out" and "dbstep" after "dbstep in" work properly John W. Eaton <jwe@octave.org> parents: 16354 diff changeset	1236 // that frame.
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1237
16396 c6a13c1900fc make "dbstep out" and "dbstep" after "dbstep in" work properly John W. Eaton <jwe@octave.org> parents: 16354 diff changeset	1238 if (is_end_of_fcn_or_script
c6a13c1900fc make "dbstep out" and "dbstep" after "dbstep in" work properly John W. Eaton <jwe@octave.org> parents: 16354 diff changeset	1239 && octave_call_stack::current_frame () == current_frame)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	1240 dbstep_flag = -1;
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1241 }
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1242
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1243 if (break_on_this_statement)
9484 bbe033dcfe13 make dbwhere work when called at keyboard prompt John W. Eaton <jwe@octave.org> parents: 9418 diff changeset	1244 do_keyboard ();
10219 979fb2606c4f new tree_evaluator::do_keyoard function Ryan Rusaw <rrusaw@gmail.com> parents: 10210 diff changeset	1245
979fb2606c4f new tree_evaluator::do_keyoard function Ryan Rusaw <rrusaw@gmail.com> parents: 10210 diff changeset	1246 }
979fb2606c4f new tree_evaluator::do_keyoard function Ryan Rusaw <rrusaw@gmail.com> parents: 10210 diff changeset	1247
979fb2606c4f new tree_evaluator::do_keyoard function Ryan Rusaw <rrusaw@gmail.com> parents: 10210 diff changeset	1248 // ARGS is currently unused, but since the do_keyboard function in
979fb2606c4f new tree_evaluator::do_keyoard function Ryan Rusaw <rrusaw@gmail.com> parents: 10210 diff changeset	1249 // input.cc accepts an argument list, we preserve it here so that the
979fb2606c4f new tree_evaluator::do_keyoard function Ryan Rusaw <rrusaw@gmail.com> parents: 10210 diff changeset	1250 // interface won't have to change if we decide to use it in the future.
979fb2606c4f new tree_evaluator::do_keyoard function Ryan Rusaw <rrusaw@gmail.com> parents: 10210 diff changeset	1251
979fb2606c4f new tree_evaluator::do_keyoard function Ryan Rusaw <rrusaw@gmail.com> parents: 10210 diff changeset	1252 octave_value
979fb2606c4f new tree_evaluator::do_keyoard function Ryan Rusaw <rrusaw@gmail.com> parents: 10210 diff changeset	1253 tree_evaluator::do_keyboard (const octave_value_list& args) const
979fb2606c4f new tree_evaluator::do_keyoard function Ryan Rusaw <rrusaw@gmail.com> parents: 10210 diff changeset	1254 {
979fb2606c4f new tree_evaluator::do_keyoard function Ryan Rusaw <rrusaw@gmail.com> parents: 10210 diff changeset	1255 return ::do_keyboard (args);
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1256 }
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1257
10578 cb0883127251 limit on recursion via calls to source function John W. Eaton <jwe@octave.org> parents: 10315 diff changeset	1258 DEFUN (max_recursion_depth, args, nargout,
cb0883127251 limit on recursion via calls to source function John W. Eaton <jwe@octave.org> parents: 10315 diff changeset	1259 "-- texinfo --\n\
10840 89f4d7e294cc Grammarcheck .cc files Rik <octave@nomad.inbox5.com> parents: 10839 diff changeset	1260 @deftypefn {Built-in Function} {@var{val} =} max_recursion_depth ()\n\
10578 cb0883127251 limit on recursion via calls to source function John W. Eaton <jwe@octave.org> parents: 10315 diff changeset	1261 @deftypefnx {Built-in Function} {@var{old_val} =} max_recursion_depth (@var{new_val})\n\
13951 79aa00a94e9e doc: Document "local" option for configuration variables. Rik <octave@nomad.inbox5.com> parents: 13245 diff changeset	1262 @deftypefnx {Built-in Function} {} max_recursion_depth (@var{new_val}, \"local\")\n\
10578 cb0883127251 limit on recursion via calls to source function John W. Eaton <jwe@octave.org> parents: 10315 diff changeset	1263 Query or set the internal limit on the number of times a function may\n\
cb0883127251 limit on recursion via calls to source function John W. Eaton <jwe@octave.org> parents: 10315 diff changeset	1264 be called recursively. If the limit is exceeded, an error message is\n\
cb0883127251 limit on recursion via calls to source function John W. Eaton <jwe@octave.org> parents: 10315 diff changeset	1265 printed and control returns to the top level.\n\
13951 79aa00a94e9e doc: Document "local" option for configuration variables. Rik <octave@nomad.inbox5.com> parents: 13245 diff changeset	1266 \n\
17289 bc924baa2c4e doc: Add new @qcode macro for code samples which are quoted. Rik <rik@octave.org> parents: 17257 diff changeset	1267 When called from inside a function with the @qcode{\"local\"} option, the\n\
bc924baa2c4e doc: Add new @qcode macro for code samples which are quoted. Rik <rik@octave.org> parents: 17257 diff changeset	1268 variable is changed locally for the function and any subroutines it calls.\n\
bc924baa2c4e doc: Add new @qcode macro for code samples which are quoted. Rik <rik@octave.org> parents: 17257 diff changeset	1269 The original variable value is restored when exiting the function.\n\
10578 cb0883127251 limit on recursion via calls to source function John W. Eaton <jwe@octave.org> parents: 10315 diff changeset	1270 @end deftypefn")
cb0883127251 limit on recursion via calls to source function John W. Eaton <jwe@octave.org> parents: 10315 diff changeset	1271 {
cb0883127251 limit on recursion via calls to source function John W. Eaton <jwe@octave.org> parents: 10315 diff changeset	1272 return SET_INTERNAL_VARIABLE (max_recursion_depth);
cb0883127251 limit on recursion via calls to source function John W. Eaton <jwe@octave.org> parents: 10315 diff changeset	1273 }
cb0883127251 limit on recursion via calls to source function John W. Eaton <jwe@octave.org> parents: 10315 diff changeset	1274
12833 9f0f2c226053 codesprint: new tests for functions in pt-eval.cc John W. Eaton <jwe@octave.org> parents: 11586 diff changeset	1275 /*
9f0f2c226053 codesprint: new tests for functions in pt-eval.cc John W. Eaton <jwe@octave.org> parents: 11586 diff changeset	1276 %!test
9f0f2c226053 codesprint: new tests for functions in pt-eval.cc John W. Eaton <jwe@octave.org> parents: 11586 diff changeset	1277 %! orig_val = max_recursion_depth ();
9f0f2c226053 codesprint: new tests for functions in pt-eval.cc John W. Eaton <jwe@octave.org> parents: 11586 diff changeset	1278 %! old_val = max_recursion_depth (2*orig_val);
9f0f2c226053 codesprint: new tests for functions in pt-eval.cc John W. Eaton <jwe@octave.org> parents: 11586 diff changeset	1279 %! assert (orig_val, old_val);
9f0f2c226053 codesprint: new tests for functions in pt-eval.cc John W. Eaton <jwe@octave.org> parents: 11586 diff changeset	1280 %! assert (max_recursion_depth (), 2*orig_val);
9f0f2c226053 codesprint: new tests for functions in pt-eval.cc John W. Eaton <jwe@octave.org> parents: 11586 diff changeset	1281 %! max_recursion_depth (orig_val);
9f0f2c226053 codesprint: new tests for functions in pt-eval.cc John W. Eaton <jwe@octave.org> parents: 11586 diff changeset	1282 %! assert (max_recursion_depth (), orig_val);
14429 eff4a5933e28 Update %!tests in src/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14294 diff changeset	1283
eff4a5933e28 Update %!tests in src/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14294 diff changeset	1284 %!error (max_recursion_depth (1, 2))
12833 9f0f2c226053 codesprint: new tests for functions in pt-eval.cc John W. Eaton <jwe@octave.org> parents: 11586 diff changeset	1285 */
9f0f2c226053 codesprint: new tests for functions in pt-eval.cc John W. Eaton <jwe@octave.org> parents: 11586 diff changeset	1286
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1287 DEFUN (silent_functions, args, nargout,
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1288 "-- texinfo --\n\
10840 89f4d7e294cc Grammarcheck .cc files Rik <octave@nomad.inbox5.com> parents: 10839 diff changeset	1289 @deftypefn {Built-in Function} {@var{val} =} silent_functions ()\n\
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1290 @deftypefnx {Built-in Function} {@var{old_val} =} silent_functions (@var{new_val})\n\
13951 79aa00a94e9e doc: Document "local" option for configuration variables. Rik <octave@nomad.inbox5.com> parents: 13245 diff changeset	1291 @deftypefnx {Built-in Function} {} silent_functions (@var{new_val}, \"local\")\n\
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1292 Query or set the internal variable that controls whether internal\n\
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1293 output from a function is suppressed. If this option is disabled,\n\
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1294 Octave will display the results produced by evaluating expressions\n\
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1295 within a function body that are not terminated with a semicolon.\n\
13951 79aa00a94e9e doc: Document "local" option for configuration variables. Rik <octave@nomad.inbox5.com> parents: 13245 diff changeset	1296 \n\
17289 bc924baa2c4e doc: Add new @qcode macro for code samples which are quoted. Rik <rik@octave.org> parents: 17257 diff changeset	1297 When called from inside a function with the @qcode{\"local\"} option, the\n\
bc924baa2c4e doc: Add new @qcode macro for code samples which are quoted. Rik <rik@octave.org> parents: 17257 diff changeset	1298 variable is changed locally for the function and any subroutines it calls.\n\
bc924baa2c4e doc: Add new @qcode macro for code samples which are quoted. Rik <rik@octave.org> parents: 17257 diff changeset	1299 The original variable value is restored when exiting the function.\n\
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1300 @end deftypefn")
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1301 {
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1302 return SET_INTERNAL_VARIABLE (silent_functions);
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1303 }
12833 9f0f2c226053 codesprint: new tests for functions in pt-eval.cc John W. Eaton <jwe@octave.org> parents: 11586 diff changeset	1304
9f0f2c226053 codesprint: new tests for functions in pt-eval.cc John W. Eaton <jwe@octave.org> parents: 11586 diff changeset	1305 /*
9f0f2c226053 codesprint: new tests for functions in pt-eval.cc John W. Eaton <jwe@octave.org> parents: 11586 diff changeset	1306 %!test
9f0f2c226053 codesprint: new tests for functions in pt-eval.cc John W. Eaton <jwe@octave.org> parents: 11586 diff changeset	1307 %! orig_val = silent_functions ();
9f0f2c226053 codesprint: new tests for functions in pt-eval.cc John W. Eaton <jwe@octave.org> parents: 11586 diff changeset	1308 %! old_val = silent_functions (! orig_val);
9f0f2c226053 codesprint: new tests for functions in pt-eval.cc John W. Eaton <jwe@octave.org> parents: 11586 diff changeset	1309 %! assert (orig_val, old_val);
9f0f2c226053 codesprint: new tests for functions in pt-eval.cc John W. Eaton <jwe@octave.org> parents: 11586 diff changeset	1310 %! assert (silent_functions (), ! orig_val);
9f0f2c226053 codesprint: new tests for functions in pt-eval.cc John W. Eaton <jwe@octave.org> parents: 11586 diff changeset	1311 %! silent_functions (orig_val);
9f0f2c226053 codesprint: new tests for functions in pt-eval.cc John W. Eaton <jwe@octave.org> parents: 11586 diff changeset	1312 %! assert (silent_functions (), orig_val);
14429 eff4a5933e28 Update %!tests in src/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14294 diff changeset	1313
eff4a5933e28 Update %!tests in src/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14294 diff changeset	1314 %!error (silent_functions (1, 2))
12833 9f0f2c226053 codesprint: new tests for functions in pt-eval.cc John W. Eaton <jwe@octave.org> parents: 11586 diff changeset	1315 */

Mercurial > hg > octave-lyh

annotate libinterp/parse-tree/pt-eval.cc @ 17509:5f884a545c06