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

annotate libinterp/parse-tree/pt-eval.cc @ 19840:c5270263d466 gui-release

close gui-release branch

author	John W. Eaton <jwe@octave.org>
date	Fri, 30 Jan 2015 17:41:50 -0500
parents	c1ce43276b86
children	5db5619fe54e

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
17744 d63878346099 maint: Update copyright notices for release. John W. Eaton <jwe@octave.org> parents: 17336 diff changeset	3 Copyright (C) 2009-2013 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
19574 c1ce43276b86 avoid printing debug location in cmd window when using GUI to step John W. Eaton <jwe@octave.org> parents: 19411 diff changeset	60 bool tree_evaluator::quiet_breakpoint_flag = false;
c1ce43276b86 avoid printing debug location in cmd window when using GUI to step John W. Eaton <jwe@octave.org> parents: 19411 diff changeset	61
11304 c9fefa096ce2 echo commands in scripts John W. Eaton <jwe@octave.org> parents: 11066 diff changeset	62 tree_evaluator::stmt_list_type tree_evaluator::statement_context
c9fefa096ce2 echo commands in scripts John W. Eaton <jwe@octave.org> parents: 11066 diff changeset	63 = tree_evaluator::other;
8669 33783e94fb16 line number fixes and other evaluator tweaks John W. Eaton <jwe@octave.org> parents: 8662 diff changeset	64
33783e94fb16 line number fixes and other evaluator tweaks John W. Eaton <jwe@octave.org> parents: 8662 diff changeset	65 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	66
10578 cb0883127251 limit on recursion via calls to source function John W. Eaton <jwe@octave.org> parents: 10315 diff changeset	67 // 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	68 // recursively.
cb0883127251 limit on recursion via calls to source function John W. Eaton <jwe@octave.org> parents: 10315 diff changeset	69 int Vmax_recursion_depth = 256;
cb0883127251 limit on recursion via calls to source function John W. Eaton <jwe@octave.org> parents: 10315 diff changeset	70
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	71 // 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	72 // 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	73 static bool Vsilent_functions = false;
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 // Normal evaluator.
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	76
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	77 void
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	78 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	79 {
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	80 panic_impossible ();
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	81 }
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	82
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	83 void
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	84 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	85 {
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	86 panic_impossible ();
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	87 }
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	88
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	89 void
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	90 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	91 {
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	92 panic_impossible ();
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	93 }
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	94
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	95 void
8845 5a6db6bd1a02 eigs.cc (Feigs): fix handling of sigma arg John W. Eaton <jwe@octave.org> parents: 8679 diff changeset	96 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	97 {
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	98 if (! error_state)
8845 5a6db6bd1a02 eigs.cc (Feigs): fix handling of sigma arg John W. Eaton <jwe@octave.org> parents: 8679 diff changeset	99 {
5a6db6bd1a02 eigs.cc (Feigs): fix handling of sigma arg John W. Eaton <jwe@octave.org> parents: 8679 diff changeset	100 if (debug_mode)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	101 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	102
11304 c9fefa096ce2 echo commands in scripts John W. Eaton <jwe@octave.org> parents: 11066 diff changeset	103 if (statement_context == function \|\| statement_context == script
c9fefa096ce2 echo commands in scripts John W. Eaton <jwe@octave.org> parents: 11066 diff changeset	104 \|\| in_loop_command)
10188 97ae300aa73a improve implementation of break, continue, and return commands John W. Eaton <jwe@octave.org> parents: 10186 diff changeset	105 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	106 }
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	107 }
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	108
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	109 void
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	110 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	111 {
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	112 panic_impossible ();
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	113 }
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	114
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	115 void
10188 97ae300aa73a improve implementation of break, continue, and return commands John W. Eaton <jwe@octave.org> parents: 10186 diff changeset	116 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	117 {
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	118 if (! error_state)
10188 97ae300aa73a improve implementation of break, continue, and return commands John W. Eaton <jwe@octave.org> parents: 10186 diff changeset	119 {
97ae300aa73a improve implementation of break, continue, and return commands John W. Eaton <jwe@octave.org> parents: 10186 diff changeset	120 if (debug_mode)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	121 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	122
11304 c9fefa096ce2 echo commands in scripts John W. Eaton <jwe@octave.org> parents: 11066 diff changeset	123 if (statement_context == function \|\| statement_context == script
c9fefa096ce2 echo commands in scripts John W. Eaton <jwe@octave.org> parents: 11066 diff changeset	124 \|\| in_loop_command)
10188 97ae300aa73a improve implementation of break, continue, and return commands John W. Eaton <jwe@octave.org> parents: 10186 diff changeset	125 tree_continue_command::continuing = 1;
97ae300aa73a improve implementation of break, continue, and return commands John W. Eaton <jwe@octave.org> parents: 10186 diff changeset	126 }
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	127 }
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	128
10186 095a1e670e68 make dbstep work with keyboard function John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	129 void
095a1e670e68 make dbstep work with keyboard function John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	130 tree_evaluator::reset_debug_state (void)
095a1e670e68 make dbstep work with keyboard function John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	131 {
10194 d4f813c3f5ed more debug mode fixes John W. Eaton <jwe@octave.org> parents: 10188 diff changeset	132 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	133
095a1e670e68 make dbstep work with keyboard function John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	134 dbstep_flag = 0;
095a1e670e68 make dbstep work with keyboard function John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	135 }
095a1e670e68 make dbstep work with keyboard function John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	136
15606 fb9dffe5fbfb The silent_functions flag no longer modifies the parse tree Max Brister <max@2bass.com> parents: 15582 diff changeset	137 bool
fb9dffe5fbfb The silent_functions flag no longer modifies the parse tree Max Brister <max@2bass.com> parents: 15582 diff changeset	138 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	139 {
fb9dffe5fbfb The silent_functions flag no longer modifies the parse tree Max Brister <max@2bass.com> parents: 15582 diff changeset	140 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	141 \|\| statement_context == script));
fb9dffe5fbfb The silent_functions flag no longer modifies the parse tree Max Brister <max@2bass.com> parents: 15582 diff changeset	142 }
fb9dffe5fbfb The silent_functions flag no longer modifies the parse tree Max Brister <max@2bass.com> parents: 15582 diff changeset	143
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	144 static inline void
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	145 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	146 {
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	147 tree_identifier *id = elt.ident ();
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 if (id)
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 id->mark_global ();
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	152
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	153 if (! error_state)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	154 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	155 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	156
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	157 if (ult.is_undefined ())
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	158 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	159 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	160
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	161 octave_value init_val;
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	162
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	163 if (expr)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	164 init_val = expr->rvalue1 ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	165 else
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	166 init_val = Matrix ();
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	167
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	168 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	169 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	170 }
8658 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 }
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	173
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	174 static inline void
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	175 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	176 {
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	177 tree_identifier *id = elt.ident ();
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 if (id)
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 id->mark_as_static ();
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 octave_lvalue ult = id->lvalue ();
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	184
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	185 if (ult.is_undefined ())
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	186 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	187 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	188
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	189 octave_value init_val;
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	190
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	191 if (expr)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	192 init_val = expr->rvalue1 ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	193 else
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	194 init_val = Matrix ();
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	195
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	196 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	197 }
8658 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 }
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	200
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	201 void
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	202 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	203 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	204 {
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	205 if (init_list)
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	206 {
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	207 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	208 p != init_list->end (); p++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	209 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	210 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	211
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	212 fcn (*elt);
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	213
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	214 if (error_state)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	215 break;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	216 }
8658 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 }
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	219
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	220 void
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	221 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	222 {
8845 5a6db6bd1a02 eigs.cc (Feigs): fix handling of sigma arg John W. Eaton <jwe@octave.org> parents: 8679 diff changeset	223 if (debug_mode)
9484 bbe033dcfe13 make dbwhere work when called at keyboard prompt John W. Eaton <jwe@octave.org> parents: 9418 diff changeset	224 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	225
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	226 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	227 }
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	228
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	229 void
14294 9e3983c8963c deprecate the static keyword John W. Eaton <jwe@octave.org> parents: 14138 diff changeset	230 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	231 {
8845 5a6db6bd1a02 eigs.cc (Feigs): fix handling of sigma arg John W. Eaton <jwe@octave.org> parents: 8679 diff changeset	232 if (debug_mode)
9484 bbe033dcfe13 make dbwhere work when called at keyboard prompt John W. Eaton <jwe@octave.org> parents: 9418 diff changeset	233 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	234
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	235 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	236 }
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	237
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	238 void
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	239 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	240 {
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	241 panic_impossible ();
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	242 }
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	243
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	244 #if 0
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	245 bool
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	246 tree_decl_elt::eval (void)
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 bool retval = false;
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 if (id && expr)
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_lvalue ult = id->lvalue ();
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 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	255
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	256 if (! error_state)
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	257 {
175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	258 ult.assign (octave_value::op_asn_eq, init_val);
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	259
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	260 retval = true;
175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	261 }
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	262 }
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 return retval;
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 #endif
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	267
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	268 void
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	269 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	270 {
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	271 panic_impossible ();
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	272 }
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	273
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	274 // 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	275 static inline bool
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	276 quit_loop_now (void)
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	277 {
10142 829e69ec3110 make OCTAVE_QUIT a function Jaroslav Hajek <highegg@gmail.com> parents: 10066 diff changeset	278 octave_quit ();
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	279
15466 d174210ce1ec use ' instead of ` in error messages, warnings and most comments John W. Eaton <jwe@octave.org> parents: 14138 diff changeset	280 // 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	281
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	282 if (tree_continue_command::continuing)
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	283 tree_continue_command::continuing--;
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	284
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	285 bool quit = (error_state
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	286 \|\| tree_return_command::returning
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	287 \|\| tree_break_command::breaking
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	288 \|\| tree_continue_command::continuing);
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	289
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	290 if (tree_break_command::breaking)
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	291 tree_break_command::breaking--;
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 return quit;
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	294 }
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	295
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	296 void
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	297 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	298 {
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	299 if (error_state)
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	300 return;
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	301
8845 5a6db6bd1a02 eigs.cc (Feigs): fix handling of sigma arg John W. Eaton <jwe@octave.org> parents: 8679 diff changeset	302 if (debug_mode)
9484 bbe033dcfe13 make dbwhere work when called at keyboard prompt John W. Eaton <jwe@octave.org> parents: 9418 diff changeset	303 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	304
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	305 // FIXME: need to handle PARFOR loops here using cmd.in_parallel ()
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	306 // 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	307
10066 2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 9494 diff changeset	308 unwind_protect frame;
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	309
10066 2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 9494 diff changeset	310 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	311
8669 33783e94fb16 line number fixes and other evaluator tweaks John W. Eaton <jwe@octave.org> parents: 8662 diff changeset	312 in_loop_command = true;
8658 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 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	315
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	316 octave_value rhs = expr->rvalue1 ();
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	317
15027 741d2dbcc117 Check trip count before compiling for loops. Max Brister <max@2bass.com> parents: 15023 diff changeset	318 #if HAVE_LLVM
15582 52df2e7baabe Disable JIT when breakpoints are present Max Brister <max@2bass.com> parents: 15575 diff changeset	319 if (tree_jit::execute (cmd, rhs))
15027 741d2dbcc117 Check trip count before compiling for loops. Max Brister <max@2bass.com> parents: 15023 diff changeset	320 return;
741d2dbcc117 Check trip count before compiling for loops. Max Brister <max@2bass.com> parents: 15023 diff changeset	321 #endif
741d2dbcc117 Check trip count before compiling for loops. Max Brister <max@2bass.com> parents: 15023 diff changeset	322
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	323 if (error_state \|\| rhs.is_undefined ())
10066 2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 9494 diff changeset	324 return;
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	325
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 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	328
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	329 octave_lvalue ult = lhs->lvalue ();
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	330
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	331 if (error_state)
10066 2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 9494 diff changeset	332 return;
8658 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 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	335
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	336 if (rhs.is_range ())
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 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	339
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	340 octave_idx_type steps = rng.nelem ();
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 {
19410 0279c601b49c compute for loop indices consistently with range element results John W. Eaton <jwe@octave.org> parents: 17787 diff changeset	344 octave_value val (rng.elem (i));
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	345
13225 359153d26cc1 eliminate DO_SIMPLE_FOR_LOOP_ONCE macro John W. Eaton <jwe@octave.org> parents: 12833 diff changeset	346 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	347
13225 359153d26cc1 eliminate DO_SIMPLE_FOR_LOOP_ONCE macro John W. Eaton <jwe@octave.org> parents: 12833 diff changeset	348 if (! error_state && loop_body)
359153d26cc1 eliminate DO_SIMPLE_FOR_LOOP_ONCE macro John W. Eaton <jwe@octave.org> parents: 12833 diff changeset	349 loop_body->accept (*this);
359153d26cc1 eliminate DO_SIMPLE_FOR_LOOP_ONCE macro John W. Eaton <jwe@octave.org> parents: 12833 diff changeset	350
359153d26cc1 eliminate DO_SIMPLE_FOR_LOOP_ONCE macro John W. Eaton <jwe@octave.org> parents: 12833 diff changeset	351 if (quit_loop_now ())
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	352 break;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	353 }
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	354 }
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	355 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	356 {
13225 359153d26cc1 eliminate DO_SIMPLE_FOR_LOOP_ONCE macro John W. Eaton <jwe@octave.org> parents: 12833 diff changeset	357 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	358
13225 359153d26cc1 eliminate DO_SIMPLE_FOR_LOOP_ONCE macro John W. Eaton <jwe@octave.org> parents: 12833 diff changeset	359 if (! error_state && loop_body)
359153d26cc1 eliminate DO_SIMPLE_FOR_LOOP_ONCE macro John W. Eaton <jwe@octave.org> parents: 12833 diff changeset	360 loop_body->accept (*this);
359153d26cc1 eliminate DO_SIMPLE_FOR_LOOP_ONCE macro John W. Eaton <jwe@octave.org> parents: 12833 diff changeset	361
359153d26cc1 eliminate DO_SIMPLE_FOR_LOOP_ONCE macro John W. Eaton <jwe@octave.org> parents: 12833 diff changeset	362 // Maybe decrement break and continue states.
359153d26cc1 eliminate DO_SIMPLE_FOR_LOOP_ONCE macro John W. Eaton <jwe@octave.org> parents: 12833 diff changeset	363 quit_loop_now ();
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	364 }
9005 f26e0f00ce01 fix simple looping over structs Jaroslav Hajek <highegg@gmail.com> parents: 8868 diff changeset	365 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	366 \|\| rhs.is_map ())
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	367 {
8662 af72c8137d64 improve looping over arrays Jaroslav Hajek <highegg@gmail.com> parents: 8658 diff changeset	368 // 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	369 // columns.
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	370
8662 af72c8137d64 improve looping over arrays Jaroslav Hajek <highegg@gmail.com> parents: 8658 diff changeset	371 dim_vector dv = rhs.dims ().redim (2);
af72c8137d64 improve looping over arrays Jaroslav Hajek <highegg@gmail.com> parents: 8658 diff changeset	372
8679 280fae940bb0 optimize scalar indexing Jaroslav Hajek <highegg@gmail.com> parents: 8677 diff changeset	373 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	374
8662 af72c8137d64 improve looping over arrays Jaroslav Hajek <highegg@gmail.com> parents: 8658 diff changeset	375 if (steps > 0)
af72c8137d64 improve looping over arrays Jaroslav Hajek <highegg@gmail.com> parents: 8658 diff changeset	376 {
af72c8137d64 improve looping over arrays Jaroslav Hajek <highegg@gmail.com> parents: 8658 diff changeset	377 octave_value arg = rhs;
af72c8137d64 improve looping over arrays Jaroslav Hajek <highegg@gmail.com> parents: 8658 diff changeset	378 if (rhs.ndims () > 2)
af72c8137d64 improve looping over arrays Jaroslav Hajek <highegg@gmail.com> parents: 8658 diff changeset	379 arg = arg.reshape (dv);
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	380
8679 280fae940bb0 optimize scalar indexing Jaroslav Hajek <highegg@gmail.com> parents: 8677 diff changeset	381 // for row vectors, use single index to speed things up.
280fae940bb0 optimize scalar indexing Jaroslav Hajek <highegg@gmail.com> parents: 8677 diff changeset	382 octave_value_list idx;
280fae940bb0 optimize scalar indexing Jaroslav Hajek <highegg@gmail.com> parents: 8677 diff changeset	383 octave_idx_type iidx;
280fae940bb0 optimize scalar indexing Jaroslav Hajek <highegg@gmail.com> parents: 8677 diff changeset	384 if (nrows == 1)
280fae940bb0 optimize scalar indexing Jaroslav Hajek <highegg@gmail.com> parents: 8677 diff changeset	385 {
280fae940bb0 optimize scalar indexing Jaroslav Hajek <highegg@gmail.com> parents: 8677 diff changeset	386 idx.resize (1);
280fae940bb0 optimize scalar indexing Jaroslav Hajek <highegg@gmail.com> parents: 8677 diff changeset	387 iidx = 0;
280fae940bb0 optimize scalar indexing Jaroslav Hajek <highegg@gmail.com> parents: 8677 diff changeset	388 }
280fae940bb0 optimize scalar indexing Jaroslav Hajek <highegg@gmail.com> parents: 8677 diff changeset	389 else
280fae940bb0 optimize scalar indexing Jaroslav Hajek <highegg@gmail.com> parents: 8677 diff changeset	390 {
280fae940bb0 optimize scalar indexing Jaroslav Hajek <highegg@gmail.com> parents: 8677 diff changeset	391 idx.resize (2);
280fae940bb0 optimize scalar indexing Jaroslav Hajek <highegg@gmail.com> parents: 8677 diff changeset	392 idx(0) = octave_value::magic_colon_t;
280fae940bb0 optimize scalar indexing Jaroslav Hajek <highegg@gmail.com> parents: 8677 diff changeset	393 iidx = 1;
280fae940bb0 optimize scalar indexing Jaroslav Hajek <highegg@gmail.com> parents: 8677 diff changeset	394 }
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	395
8662 af72c8137d64 improve looping over arrays Jaroslav Hajek <highegg@gmail.com> parents: 8658 diff changeset	396 for (octave_idx_type i = 1; i <= steps; i++)
af72c8137d64 improve looping over arrays Jaroslav Hajek <highegg@gmail.com> parents: 8658 diff changeset	397 {
af72c8137d64 improve looping over arrays Jaroslav Hajek <highegg@gmail.com> parents: 8658 diff changeset	398 // do_index_op expects one-based indices.
8679 280fae940bb0 optimize scalar indexing Jaroslav Hajek <highegg@gmail.com> parents: 8677 diff changeset	399 idx(iidx) = i;
8662 af72c8137d64 improve looping over arrays Jaroslav Hajek <highegg@gmail.com> parents: 8658 diff changeset	400 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	401
359153d26cc1 eliminate DO_SIMPLE_FOR_LOOP_ONCE macro John W. Eaton <jwe@octave.org> parents: 12833 diff changeset	402 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	403
13225 359153d26cc1 eliminate DO_SIMPLE_FOR_LOOP_ONCE macro John W. Eaton <jwe@octave.org> parents: 12833 diff changeset	404 if (! error_state && loop_body)
359153d26cc1 eliminate DO_SIMPLE_FOR_LOOP_ONCE macro John W. Eaton <jwe@octave.org> parents: 12833 diff changeset	405 loop_body->accept (*this);
359153d26cc1 eliminate DO_SIMPLE_FOR_LOOP_ONCE macro John W. Eaton <jwe@octave.org> parents: 12833 diff changeset	406
359153d26cc1 eliminate DO_SIMPLE_FOR_LOOP_ONCE macro John W. Eaton <jwe@octave.org> parents: 12833 diff changeset	407 if (quit_loop_now ())
8662 af72c8137d64 improve looping over arrays Jaroslav Hajek <highegg@gmail.com> parents: 8658 diff changeset	408 break;
af72c8137d64 improve looping over arrays Jaroslav Hajek <highegg@gmail.com> parents: 8658 diff changeset	409 }
af72c8137d64 improve looping over arrays Jaroslav Hajek <highegg@gmail.com> parents: 8658 diff changeset	410 }
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	411 }
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	412 else
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	413 {
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	414 ::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	415 cmd.line (), cmd.column ());
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	416 }
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	417 }
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	418 }
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	419
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	420 void
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	421 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	422 {
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	423 if (error_state)
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	424 return;
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	425
8845 5a6db6bd1a02 eigs.cc (Feigs): fix handling of sigma arg John W. Eaton <jwe@octave.org> parents: 8679 diff changeset	426 if (debug_mode)
9484 bbe033dcfe13 make dbwhere work when called at keyboard prompt John W. Eaton <jwe@octave.org> parents: 9418 diff changeset	427 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	428
10066 2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 9494 diff changeset	429 unwind_protect frame;
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	430
10066 2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 9494 diff changeset	431 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	432
8669 33783e94fb16 line number fixes and other evaluator tweaks John W. Eaton <jwe@octave.org> parents: 8662 diff changeset	433 in_loop_command = true;
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	434
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	435 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	436
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	437 octave_value rhs = expr->rvalue1 ();
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	438
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	439 if (error_state \|\| rhs.is_undefined ())
10066 2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 9494 diff changeset	440 return;
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	441
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	442 if (rhs.is_map ())
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 // 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	445 // 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	446 // structure element.
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 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	449
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	450 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	451
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	452 tree_expression elt = p++;
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	453
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	454 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	455
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	456 elt = *p;
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	457
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	458 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	459
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	460 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	461
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	462 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	463
9494 ca95d991a65a use key list order for iterating through map with for loop John W. Eaton <jwe@octave.org> parents: 9484 diff changeset	464 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	465
ca95d991a65a use key list order for iterating through map with for loop John W. Eaton <jwe@octave.org> parents: 9484 diff changeset	466 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	467
9494 ca95d991a65a use key list order for iterating through map with for loop John W. Eaton <jwe@octave.org> parents: 9484 diff changeset	468 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	469 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	470 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	471
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	472 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	473
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	474 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	475
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	476 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	477
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	478 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	479 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	480
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	481 if (! error_state && loop_body)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	482 loop_body->accept (*this);
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	483
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	484 if (quit_loop_now ())
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	485 break;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	486 }
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	487 }
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	488 else
15466 d174210ce1ec use ' instead of ` in error messages, warnings and most comments John W. Eaton <jwe@octave.org> parents: 14138 diff changeset	489 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	490 }
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	491
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	492 void
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	493 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	494 {
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	495 panic_impossible ();
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
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	498 void
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	499 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	500 {
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	501 panic_impossible ();
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	502 }
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 void
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	505 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	506 {
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	507 panic_impossible ();
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	508 }
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 void
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	511 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	512 {
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	513 panic_impossible ();
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	514 }
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 void
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	517 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	518 {
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	519 octave_value fcn = cmd.function ();
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	520
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	521 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	522
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	523 if (f)
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 std::string nm = f->name ();
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	526
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	527 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	528
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	529 // 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	530 // function is cleared.
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	531
16442 302157614308 deprecate symbol_table::varref functions John W. Eaton <jwe@octave.org> parents: 16396 diff changeset	532 symbol_table::assign (nm);
8658 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 }
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 void
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	537 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	538 {
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	539 panic_impossible ();
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	540 }
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	541
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	542 void
8677 095ae5e0a831 eliminte some compiler warnings John W. Eaton <jwe@octave.org> parents: 8669 diff changeset	543 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	544 {
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	545 panic_impossible ();
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	546 }
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 void
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	549 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	550 {
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	551 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	552
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	553 if (lst)
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	554 lst->accept (*this);
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_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	559 {
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	560 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	561 {
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	562 tree_if_clause tic = p;
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	563
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	564 tree_expression *expr = tic->condition ();
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	565
16354 fb27f1e08297 track line and column info directly in call stack (bug #38556) John W. Eaton <jwe@octave.org> parents: 15606 diff changeset	566 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	567 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	568
8845 5a6db6bd1a02 eigs.cc (Feigs): fix handling of sigma arg John W. Eaton <jwe@octave.org> parents: 8679 diff changeset	569 if (debug_mode && ! tic->is_else_clause ())
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	570 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	571
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	572 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	573 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	574 if (! error_state)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	575 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	576 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	577
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	578 if (stmt_lst)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	579 stmt_lst->accept (*this);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	580 }
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	581
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	582 break;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	583 }
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	584 }
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	585 }
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	586
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	587 void
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	588 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	589 {
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	590 panic_impossible ();
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	591 }
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	592
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	593 void
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	594 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	595 {
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	596 panic_impossible ();
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	597 }
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 void
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	600 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	601 {
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	602 panic_impossible ();
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	603 }
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 void
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	606 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	607 {
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	608 panic_impossible ();
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	609 }
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 void
8845 5a6db6bd1a02 eigs.cc (Feigs): fix handling of sigma arg John W. Eaton <jwe@octave.org> parents: 8679 diff changeset	612 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	613 {
8845 5a6db6bd1a02 eigs.cc (Feigs): fix handling of sigma arg John W. Eaton <jwe@octave.org> parents: 8679 diff changeset	614 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	615 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	616 }
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	617
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	618 void
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	619 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	620 {
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	621 panic_impossible ();
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	622 }
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	623
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	624 void
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	625 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	626 {
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	627 panic_impossible ();
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	628 }
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 void
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	631 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	632 {
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	633 panic_impossible ();
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	634 }
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 void
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	637 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	638 {
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	639 panic_impossible ();
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	640 }
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 void
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	643 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	644 {
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	645 panic_impossible ();
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	646 }
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 void
8845 5a6db6bd1a02 eigs.cc (Feigs): fix handling of sigma arg John W. Eaton <jwe@octave.org> parents: 8679 diff changeset	649 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	650 {
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	651 if (! error_state)
8845 5a6db6bd1a02 eigs.cc (Feigs): fix handling of sigma arg John W. Eaton <jwe@octave.org> parents: 8679 diff changeset	652 {
5a6db6bd1a02 eigs.cc (Feigs): fix handling of sigma arg John W. Eaton <jwe@octave.org> parents: 8679 diff changeset	653 if (debug_mode)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	654 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	655
10188 97ae300aa73a improve implementation of break, continue, and return commands John W. Eaton <jwe@octave.org> parents: 10186 diff changeset	656 // Act like dbcont.
97ae300aa73a improve implementation of break, continue, and return commands John W. Eaton <jwe@octave.org> parents: 10186 diff changeset	657
97ae300aa73a improve implementation of break, continue, and return commands John W. Eaton <jwe@octave.org> parents: 10186 diff changeset	658 if (Vdebugging
97ae300aa73a improve implementation of break, continue, and return commands John W. Eaton <jwe@octave.org> parents: 10186 diff changeset	659 && 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	660 {
97ae300aa73a improve implementation of break, continue, and return commands John W. Eaton <jwe@octave.org> parents: 10186 diff changeset	661 Vdebugging = false;
97ae300aa73a improve implementation of break, continue, and return commands John W. Eaton <jwe@octave.org> parents: 10186 diff changeset	662
10194 d4f813c3f5ed more debug mode fixes John W. Eaton <jwe@octave.org> parents: 10188 diff changeset	663 reset_debug_state ();
10188 97ae300aa73a improve implementation of break, continue, and return commands John W. Eaton <jwe@octave.org> parents: 10186 diff changeset	664 }
11304 c9fefa096ce2 echo commands in scripts John W. Eaton <jwe@octave.org> parents: 11066 diff changeset	665 else if (statement_context == function \|\| statement_context == script
c9fefa096ce2 echo commands in scripts John W. Eaton <jwe@octave.org> parents: 11066 diff changeset	666 \|\| in_loop_command)
10188 97ae300aa73a improve implementation of break, continue, and return commands John W. Eaton <jwe@octave.org> parents: 10186 diff changeset	667 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	668 }
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	669 }
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	670
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	671 void
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	672 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	673 {
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	674 panic_impossible ();
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	675 }
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	676
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	677 void
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	678 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	679 {
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	680 panic_impossible ();
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	681 }
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 void
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	684 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	685 {
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	686 tree_command *cmd = stmt.command ();
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	687 tree_expression *expr = stmt.expression ();
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 if (cmd \|\| expr)
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	690 {
11304 c9fefa096ce2 echo commands in scripts John W. Eaton <jwe@octave.org> parents: 11066 diff changeset	691 if (statement_context == function \|\| statement_context == script)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	692 {
10839 65bc065bec95 still more debugger fixes John W. Eaton <jwe@octave.org> parents: 10836 diff changeset	693 // 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	694 // the state of the program we are debugging.
65bc065bec95 still more debugger fixes John W. Eaton <jwe@octave.org> parents: 10836 diff changeset	695
65bc065bec95 still more debugger fixes John W. Eaton <jwe@octave.org> parents: 10836 diff changeset	696 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	697 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	698
11304 c9fefa096ce2 echo commands in scripts John W. Eaton <jwe@octave.org> parents: 11066 diff changeset	699 if ((statement_context == script
18292 bc139ccccef9 Don't echo scripts not executed from the cmd line when using 'echo on'(bug #41202) Rik <rik@octave.org> parents: 18221 diff changeset	700 && ((Vecho_executing_commands & ECHO_SCRIPTS
bc139ccccef9 Don't echo scripts not executed from the cmd line when using 'echo on'(bug #41202) Rik <rik@octave.org> parents: 18221 diff changeset	701 && octave_call_stack::all_scripts ())
bc139ccccef9 Don't echo scripts not executed from the cmd line when using 'echo on'(bug #41202) Rik <rik@octave.org> parents: 18221 diff changeset	702 \|\| Vecho_executing_commands & ECHO_FUNCTIONS))
11304 c9fefa096ce2 echo commands in scripts John W. Eaton <jwe@octave.org> parents: 11066 diff changeset	703 \|\| (statement_context == function
18292 bc139ccccef9 Don't echo scripts not executed from the cmd line when using 'echo on'(bug #41202) Rik <rik@octave.org> parents: 18221 diff changeset	704 && Vecho_executing_commands & ECHO_FUNCTIONS))
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	705 stmt.echo_code ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	706 }
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	707
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	708 try
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	709 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	710 if (cmd)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	711 cmd->accept (*this);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	712 else
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	713 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	714 if (debug_mode)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	715 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	716
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	717 // FIXME: maybe all of this should be packaged in
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	718 // 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	719 // 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	720 // printing the result.
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	721
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	722 // FIXME: it seems that we should just have to
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	723 // 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	724 // 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	725
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	726 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	727
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	728 if (expr->is_identifier ())
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	729 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	730 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	731
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	732 do_bind_ans = (! id->is_variable ());
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	733 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	734 else
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	735 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	736
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	737 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	738
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	739 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	740 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	741 && statement_printing_enabled ());
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	742
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	743 // if (tmp_result.is_defined ())
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	744 // result_values(0) = tmp_result;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	745 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	746 }
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	747 catch (octave_execution_exception)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	748 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	749 gripe_library_execution_error ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	750 }
15244 c16357c4bdbb attempt to display location of out of memory errors in interpreted code John W. Eaton <jwe@octave.org> parents: 15195 diff changeset	751 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	752 {
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	753 // FIXME: We want to use error_with_id here so that we set
15244 c16357c4bdbb attempt to display location of out of memory errors in interpreted code John W. Eaton <jwe@octave.org> parents: 15195 diff changeset	754 // 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	755 // 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	756 // 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	757 // 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	758 // 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	759 // succeed?
c16357c4bdbb attempt to display location of out of memory errors in interpreted code John W. Eaton <jwe@octave.org> parents: 15195 diff changeset	760
c16357c4bdbb attempt to display location of out of memory errors in interpreted code John W. Eaton <jwe@octave.org> parents: 15195 diff changeset	761 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	762 "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	763 }
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	764 }
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	765 }
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	766
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	767 void
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	768 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	769 {
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	770 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	771
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	772 if (error_state)
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	773 return;
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 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	776
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	777 if (p != lst.end ())
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	778 {
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	779 while (true)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	780 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	781 tree_statement elt = p++;
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	782
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	783 if (elt)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	784 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	785 octave_quit ();
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	786
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	787 elt->accept (*this);
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	788
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	789 if (error_state)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	790 break;
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	791
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	792 if (tree_break_command::breaking
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	793 \|\| tree_continue_command::continuing)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	794 break;
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	795
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	796 if (tree_return_command::returning)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	797 break;
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 (p == lst.end ())
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	800 break;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	801 else
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	802 {
17336 b81b9d079515 Use '##' for comments which stand alone on a line. Rik <rik@octave.org> parents: 17281 diff changeset	803 // Clear previous values before next statement is
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	804 // 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	805 // 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	806 // example, in code like this:
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	807 //
17336 b81b9d079515 Use '##' for comments which stand alone on a line. Rik <rik@octave.org> parents: 17281 diff changeset	808 // X = rand (N); # refcount for X should be 1
b81b9d079515 Use '##' for comments which stand alone on a line. Rik <rik@octave.org> parents: 17281 diff changeset	809 // # after this statement
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	810 //
17336 b81b9d079515 Use '##' for comments which stand alone on a line. Rik <rik@octave.org> parents: 17281 diff changeset	811 // 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: 17281 diff changeset	812 // # needed, but we will be faked
b81b9d079515 Use '##' for comments which stand alone on a line. Rik <rik@octave.org> parents: 17281 diff changeset	813 // # out if retval is not cleared
b81b9d079515 Use '##' for comments which stand alone on a line. Rik <rik@octave.org> parents: 17281 diff changeset	814 // # between statements here
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	815
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	816 // result_values = empty_list;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	817 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	818 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	819 else
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	820 error ("invalid statement found in statement list!");
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	821 }
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	822 }
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	823 }
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	824
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	825 void
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	826 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	827 {
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	828 panic_impossible ();
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	829 }
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	830
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	831 void
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	832 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	833 {
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	834 panic_impossible ();
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	835 }
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	836
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	837 void
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	838 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	839 {
10836 6abf966379de pt-eval.cc: process breakpoints for if and switch commands John W. Eaton <jwe@octave.org> parents: 10578 diff changeset	840 if (debug_mode)
6abf966379de pt-eval.cc: process breakpoints for if and switch commands John W. Eaton <jwe@octave.org> parents: 10578 diff changeset	841 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	842
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	843 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	844
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	845 if (expr)
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 octave_value val = expr->rvalue1 ();
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	848
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	849 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	850
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	851 if (! error_state && lst)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	852 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	853 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	854 p != lst->end (); p++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	855 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	856 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	857
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	858 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	859 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	860 if (error_state)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	861 break;
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	862
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	863 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	864
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	865 if (stmt_lst)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	866 stmt_lst->accept (*this);
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 break;
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 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	871 }
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	872 }
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	873 else
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	874 ::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	875 cmd.line (), cmd.column ());
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	876 }
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	877
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	878 void
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	879 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	880 {
10066 2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 9494 diff changeset	881 unwind_protect frame;
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	882
10066 2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 9494 diff changeset	883 frame.protect_var (buffer_error_messages);
2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 9494 diff changeset	884 frame.protect_var (Vdebug_on_error);
2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 9494 diff changeset	885 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	886
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	887 buffer_error_messages++;
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	888 Vdebug_on_error = false;
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	889 Vdebug_on_warning = false;
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	890
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	891 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	892
10066 2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 9494 diff changeset	893 // 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	894 // 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	895
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	896 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	897
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	898 if (try_code)
10066 2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 9494 diff changeset	899 {
2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 9494 diff changeset	900 try_code->accept (*this);
2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 9494 diff changeset	901 }
8658 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 if (error_state)
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	904 {
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	905 error_state = 0;
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	906
10066 2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 9494 diff changeset	907 if (catch_code)
2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 9494 diff changeset	908 {
2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 9494 diff changeset	909 // 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	910 // 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	911
10066 2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 9494 diff changeset	912 buffer_error_messages--;
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	913
17249 923ce8b42db2 improve try-catch-statement to save exception to a variable (bug #33217) Stefan Mahr <dac922@gmx.de> parents: 16442 diff changeset	914 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	915 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	916
923ce8b42db2 improve try-catch-statement to save exception to a variable (bug #33217) Stefan Mahr <dac922@gmx.de> parents: 16442 diff changeset	917 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	918 {
923ce8b42db2 improve try-catch-statement to save exception to a variable (bug #33217) Stefan Mahr <dac922@gmx.de> parents: 16442 diff changeset	919
923ce8b42db2 improve try-catch-statement to save exception to a variable (bug #33217) Stefan Mahr <dac922@gmx.de> parents: 16442 diff changeset	920 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	921
923ce8b42db2 improve try-catch-statement to save exception to a variable (bug #33217) Stefan Mahr <dac922@gmx.de> parents: 16442 diff changeset	922 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	923
923ce8b42db2 improve try-catch-statement to save exception to a variable (bug #33217) Stefan Mahr <dac922@gmx.de> parents: 16442 diff changeset	924 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	925 return;
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 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	928 err.assign ("identifier", last_error_id ());
18221 6ef8b920a7d6 include stack in exception variable (bug #41117) Stefan Mahr <dac922@gmx.de> parents: 17787 diff changeset	929 err.assign ("stack", last_error_stack ());
17249 923ce8b42db2 improve try-catch-statement to save exception to a variable (bug #33217) Stefan Mahr <dac922@gmx.de> parents: 16442 diff changeset	930
923ce8b42db2 improve try-catch-statement to save exception to a variable (bug #33217) Stefan Mahr <dac922@gmx.de> parents: 16442 diff changeset	931 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	932 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	933
923ce8b42db2 improve try-catch-statement to save exception to a variable (bug #33217) Stefan Mahr <dac922@gmx.de> parents: 16442 diff changeset	934 }
923ce8b42db2 improve try-catch-statement to save exception to a variable (bug #33217) Stefan Mahr <dac922@gmx.de> parents: 16442 diff changeset	935
10066 2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 9494 diff changeset	936 if (catch_code)
2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 9494 diff changeset	937 catch_code->accept (*this);
2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 9494 diff changeset	938 }
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	939 }
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	940 }
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	941
10066 2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 9494 diff changeset	942 void
2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 9494 diff changeset	943 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	944 {
10066 2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 9494 diff changeset	945 unwind_protect frame;
2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 9494 diff changeset	946
2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 9494 diff changeset	947 frame.protect_var (octave_interrupt_state);
9383 d57f0c56195f improve error handling Jaroslav Hajek <highegg@gmail.com> parents: 9378 diff changeset	948 octave_interrupt_state = 0;
d57f0c56195f improve error handling Jaroslav Hajek <highegg@gmail.com> parents: 9378 diff changeset	949
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	950 // 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	951 // 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	952 // 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	953 // ignored.
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	954
10066 2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 9494 diff changeset	955 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	956 error_state = 0;
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	957
16354 fb27f1e08297 track line and column info directly in call stack (bug #38556) John W. Eaton <jwe@octave.org> parents: 15606 diff changeset	958 // 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	959 // backtracking.
16354 fb27f1e08297 track line and column info directly in call stack (bug #38556) John W. Eaton <jwe@octave.org> parents: 15606 diff changeset	960 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	961 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	962 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	963 octave_call_stack::current_column ());
10210 752f349052a2 ensure correct backtraces after error in unwind_protect Jaroslav Hajek <highegg@gmail.com> parents: 10194 diff changeset	964
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	965 // 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	966 // 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	967 // 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	968 // only occur in loops.
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	969
10066 2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 9494 diff changeset	970 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	971 tree_return_command::returning = 0;
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	972
10066 2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 9494 diff changeset	973 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	974 tree_break_command::breaking = 0;
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	975
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	976 if (list)
10066 2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 9494 diff changeset	977 list->accept (*this);
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	978
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	979 // 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	980 // 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	981
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	982 // FIXME: these statements say that if we see a break or
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	983 // 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	984 // 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	985 // 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	986 // Consider the case of
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 // function foo ()
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	989 // unwind_protect
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	990 // 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	991 // break;
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	992 // 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	993 // unwind_protect_cleanup
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	994 // 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	995 // return;
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	996 // 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	997 // end_unwind_protect
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	998 // endfunction
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	999 //
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1000 // 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	1001 // 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	1002 // 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	1003 // 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	1004 // 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	1005
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1006 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	1007 {
15469 72868cae7624 eliminate some deprecated function warnings John W. Eaton <jwe@octave.org> parents: 15467 diff changeset	1008 frame.discard (2);
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1009 }
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1010 else
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1011 {
15469 72868cae7624 eliminate some deprecated function warnings John W. Eaton <jwe@octave.org> parents: 15467 diff changeset	1012 frame.run (2);
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1013 }
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 // 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	1016 // 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	1017 // 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	1018
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1019 if (error_state)
15469 72868cae7624 eliminate some deprecated function warnings John W. Eaton <jwe@octave.org> parents: 15467 diff changeset	1020 frame.discard (2);
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1021 else
15469 72868cae7624 eliminate some deprecated function warnings John W. Eaton <jwe@octave.org> parents: 15467 diff changeset	1022 frame.run (2);
9418 f008a3a1bcb0 add missing unwind_protect::run in pt-eval.cc Jaroslav Hajek <highegg@gmail.com> parents: 9396 diff changeset	1023
10066 2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 9494 diff changeset	1024 frame.run ();
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1025 }
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1026
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1027 void
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1028 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	1029 {
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1030 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	1031
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1032 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	1033
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1034 if (unwind_protect_code)
10066 2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 9494 diff changeset	1035 {
2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 9494 diff changeset	1036 try
2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 9494 diff changeset	1037 {
2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 9494 diff changeset	1038 unwind_protect_code->accept (*this);
2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 9494 diff changeset	1039 }
2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 9494 diff changeset	1040 catch (...)
2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 9494 diff changeset	1041 {
2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 9494 diff changeset	1042 // 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	1043 // of interrupt or out-of-memory.
2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 9494 diff changeset	1044 do_unwind_protect_cleanup_code (cleanup_code);
2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 9494 diff changeset	1045 // FIXME: should error_state be checked here?
2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 9494 diff changeset	1046 // 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	1047 // that interrupts continue.
2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 9494 diff changeset	1048 throw;
2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 9494 diff changeset	1049 }
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1050
10066 2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 9494 diff changeset	1051 do_unwind_protect_cleanup_code (cleanup_code);
2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 9494 diff changeset	1052 }
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1053 }
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1054
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1055 void
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1056 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	1057 {
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1058 if (error_state)
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1059 return;
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1060
15023 75d1bc2fd6d2 Compile top level while loops in JIT. Max Brister <max@2bass.com> parents: 14932 diff changeset	1061 #if HAVE_LLVM
15582 52df2e7baabe Disable JIT when breakpoints are present Max Brister <max@2bass.com> parents: 15575 diff changeset	1062 if (tree_jit::execute (cmd))
15023 75d1bc2fd6d2 Compile top level while loops in JIT. Max Brister <max@2bass.com> parents: 14932 diff changeset	1063 return;
75d1bc2fd6d2 Compile top level while loops in JIT. Max Brister <max@2bass.com> parents: 14932 diff changeset	1064 #endif
75d1bc2fd6d2 Compile top level while loops in JIT. Max Brister <max@2bass.com> parents: 14932 diff changeset	1065
10066 2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 9494 diff changeset	1066 unwind_protect frame;
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1067
10066 2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 9494 diff changeset	1068 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	1069
8669 33783e94fb16 line number fixes and other evaluator tweaks John W. Eaton <jwe@octave.org> parents: 8662 diff changeset	1070 in_loop_command = true;
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1071
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1072 tree_expression *expr = cmd.condition ();
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1073
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1074 if (! expr)
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1075 panic_impossible ();
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1076
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1077 for (;;)
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1078 {
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1079 if (debug_mode)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	1080 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	1081
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1082 if (expr->is_logically_true ("while"))
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	1083 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	1084 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	1085
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	1086 if (loop_body)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	1087 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	1088 loop_body->accept (*this);
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1089
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	1090 if (error_state)
10066 2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 9494 diff changeset	1091 return;
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	1092 }
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1093
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	1094 if (quit_loop_now ())
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	1095 break;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	1096 }
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1097 else
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	1098 break;
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1099 }
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1100 }
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1101
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1102 void
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1103 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	1104 {
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1105 if (error_state)
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1106 return;
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1107
10066 2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 9494 diff changeset	1108 unwind_protect frame;
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1109
10066 2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 9494 diff changeset	1110 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	1111
8669 33783e94fb16 line number fixes and other evaluator tweaks John W. Eaton <jwe@octave.org> parents: 8662 diff changeset	1112 in_loop_command = true;
8658 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 tree_expression *expr = cmd.condition ();
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1115
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1116 if (! expr)
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1117 panic_impossible ();
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1118
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1119 for (;;)
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1120 {
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1121 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	1122
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1123 if (loop_body)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	1124 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	1125 loop_body->accept (*this);
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1126
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	1127 if (error_state)
10066 2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 9494 diff changeset	1128 return;
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	1129 }
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1130
8845 5a6db6bd1a02 eigs.cc (Feigs): fix handling of sigma arg John W. Eaton <jwe@octave.org> parents: 8679 diff changeset	1131 if (quit_loop_now ())
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	1132 break;
8845 5a6db6bd1a02 eigs.cc (Feigs): fix handling of sigma arg John W. Eaton <jwe@octave.org> parents: 8679 diff changeset	1133
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1134 if (debug_mode)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	1135 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	1136
8845 5a6db6bd1a02 eigs.cc (Feigs): fix handling of sigma arg John W. Eaton <jwe@octave.org> parents: 8679 diff changeset	1137 if (expr->is_logically_true ("do-until"))
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	1138 break;
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1139 }
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1140 }
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1141
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1142 void
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1143 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	1144 {
9484 bbe033dcfe13 make dbwhere work when called at keyboard prompt John W. Eaton <jwe@octave.org> parents: 9418 diff changeset	1145 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	1146 }
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1147
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1148 void
9484 bbe033dcfe13 make dbwhere work when called at keyboard prompt John W. Eaton <jwe@octave.org> parents: 9418 diff changeset	1149 tree_evaluator::do_breakpoint (bool is_breakpoint,
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	1150 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	1151 {
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1152 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	1153
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1154 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	1155 {
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1156 break_on_this_statement = true;
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1157
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1158 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	1159
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1160 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	1161 }
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1162 else if (is_breakpoint)
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1163 {
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1164 break_on_this_statement = true;
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 dbstep_flag = 0;
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 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	1169 }
15574 d20cbfec6df7 Fix off-by-1 error when executing 'dbstep N' Rik <rik@octave.org> parents: 15469 diff changeset	1170 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	1171 {
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1172 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	1173 {
15574 d20cbfec6df7 Fix off-by-1 error when executing 'dbstep N' Rik <rik@octave.org> parents: 15469 diff changeset	1174 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	1175 {
d20cbfec6df7 Fix off-by-1 error when executing 'dbstep N' Rik <rik@octave.org> parents: 15469 diff changeset	1176 // 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	1177 // 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	1178 // 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	1179 // 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	1180 // return to prompt.
d20cbfec6df7 Fix off-by-1 error when executing 'dbstep N' Rik <rik@octave.org> parents: 15469 diff changeset	1181
d20cbfec6df7 Fix off-by-1 error when executing 'dbstep N' Rik <rik@octave.org> parents: 15469 diff changeset	1182 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	1183
15574 d20cbfec6df7 Fix off-by-1 error when executing 'dbstep N' Rik <rik@octave.org> parents: 15469 diff changeset	1184 dbstep_flag = 0;
d20cbfec6df7 Fix off-by-1 error when executing 'dbstep N' Rik <rik@octave.org> parents: 15469 diff changeset	1185 }
d20cbfec6df7 Fix off-by-1 error when executing 'dbstep N' Rik <rik@octave.org> parents: 15469 diff changeset	1186 else
d20cbfec6df7 Fix off-by-1 error when executing 'dbstep N' Rik <rik@octave.org> parents: 15469 diff changeset	1187 {
15575 5f37c24350db maint: Shorten long line to less than 80 characters in checkin d20cbfec6df7. Rik <rik@octave.org> parents: 15574 diff changeset	1188 // 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	1189
15574 d20cbfec6df7 Fix off-by-1 error when executing 'dbstep N' Rik <rik@octave.org> parents: 15469 diff changeset	1190 dbstep_flag--;
d20cbfec6df7 Fix off-by-1 error when executing 'dbstep N' Rik <rik@octave.org> parents: 15469 diff changeset	1191 }
d20cbfec6df7 Fix off-by-1 error when executing 'dbstep N' Rik <rik@octave.org> parents: 15469 diff changeset	1192
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	1193 }
16396 c6a13c1900fc make "dbstep out" and "dbstep" after "dbstep in" work properly John W. Eaton <jwe@octave.org> parents: 16354 diff changeset	1194 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	1195 && 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	1196 {
c6a13c1900fc make "dbstep out" and "dbstep" after "dbstep in" work properly John W. Eaton <jwe@octave.org> parents: 16354 diff changeset	1197 // 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	1198
c6a13c1900fc make "dbstep out" and "dbstep" after "dbstep in" work properly John W. Eaton <jwe@octave.org> parents: 16354 diff changeset	1199 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	1200
c6a13c1900fc make "dbstep out" and "dbstep" after "dbstep in" work properly John W. Eaton <jwe@octave.org> parents: 16354 diff changeset	1201 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	1202
c6a13c1900fc make "dbstep out" and "dbstep" after "dbstep in" work properly John W. Eaton <jwe@octave.org> parents: 16354 diff changeset	1203 dbstep_flag = 0;
c6a13c1900fc make "dbstep out" and "dbstep" after "dbstep in" work properly John W. Eaton <jwe@octave.org> parents: 16354 diff changeset	1204 }
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1205 }
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1206 else if (dbstep_flag == -1)
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1207 {
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1208 // 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	1209
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1210 break_on_this_statement = true;
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1211
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1212 dbstep_flag = 0;
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1213
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1214 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	1215 }
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1216 else if (dbstep_flag == -2)
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1217 {
16396 c6a13c1900fc make "dbstep out" and "dbstep" after "dbstep in" work properly John W. Eaton <jwe@octave.org> parents: 16354 diff changeset	1218 // 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	1219 // 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	1220 // 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	1221 // "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	1222 // that frame.
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1223
16396 c6a13c1900fc make "dbstep out" and "dbstep" after "dbstep in" work properly John W. Eaton <jwe@octave.org> parents: 16354 diff changeset	1224 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	1225 && octave_call_stack::current_frame () == current_frame)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10219 diff changeset	1226 dbstep_flag = -1;
8658 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
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1229 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	1230 do_keyboard ();
10219 979fb2606c4f new tree_evaluator::do_keyoard function Ryan Rusaw <rrusaw@gmail.com> parents: 10210 diff changeset	1231
979fb2606c4f new tree_evaluator::do_keyoard function Ryan Rusaw <rrusaw@gmail.com> parents: 10210 diff changeset	1232 }
979fb2606c4f new tree_evaluator::do_keyoard function Ryan Rusaw <rrusaw@gmail.com> parents: 10210 diff changeset	1233
979fb2606c4f new tree_evaluator::do_keyoard function Ryan Rusaw <rrusaw@gmail.com> parents: 10210 diff changeset	1234 // 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	1235 // 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	1236 // 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	1237
979fb2606c4f new tree_evaluator::do_keyoard function Ryan Rusaw <rrusaw@gmail.com> parents: 10210 diff changeset	1238 octave_value
979fb2606c4f new tree_evaluator::do_keyoard function Ryan Rusaw <rrusaw@gmail.com> parents: 10210 diff changeset	1239 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	1240 {
979fb2606c4f new tree_evaluator::do_keyoard function Ryan Rusaw <rrusaw@gmail.com> parents: 10210 diff changeset	1241 return ::do_keyboard (args);
8658 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
10578 cb0883127251 limit on recursion via calls to source function John W. Eaton <jwe@octave.org> parents: 10315 diff changeset	1244 DEFUN (max_recursion_depth, args, nargout,
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	1245 "-- texinfo --\n\
10840 89f4d7e294cc Grammarcheck .cc files Rik <octave@nomad.inbox5.com> parents: 10839 diff changeset	1246 @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	1247 @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	1248 @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	1249 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	1250 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	1251 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	1252 \n\
17281 bc924baa2c4e doc: Add new @qcode macro for code samples which are quoted. Rik <rik@octave.org> parents: 17249 diff changeset	1253 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: 17249 diff changeset	1254 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: 17249 diff changeset	1255 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	1256 @end deftypefn")
cb0883127251 limit on recursion via calls to source function John W. Eaton <jwe@octave.org> parents: 10315 diff changeset	1257 {
cb0883127251 limit on recursion via calls to source function John W. Eaton <jwe@octave.org> parents: 10315 diff changeset	1258 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	1259 }
cb0883127251 limit on recursion via calls to source function John W. Eaton <jwe@octave.org> parents: 10315 diff changeset	1260
12833 9f0f2c226053 codesprint: new tests for functions in pt-eval.cc John W. Eaton <jwe@octave.org> parents: 11586 diff changeset	1261 /*
9f0f2c226053 codesprint: new tests for functions in pt-eval.cc John W. Eaton <jwe@octave.org> parents: 11586 diff changeset	1262 %!test
9f0f2c226053 codesprint: new tests for functions in pt-eval.cc John W. Eaton <jwe@octave.org> parents: 11586 diff changeset	1263 %! 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	1264 %! 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	1265 %! 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	1266 %! 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	1267 %! 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	1268 %! 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	1269
eff4a5933e28 Update %!tests in src/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14294 diff changeset	1270 %!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	1271 */
9f0f2c226053 codesprint: new tests for functions in pt-eval.cc John W. Eaton <jwe@octave.org> parents: 11586 diff changeset	1272
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1273 DEFUN (silent_functions, args, nargout,
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	1274 "-- texinfo --\n\
10840 89f4d7e294cc Grammarcheck .cc files Rik <octave@nomad.inbox5.com> parents: 10839 diff changeset	1275 @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	1276 @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	1277 @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	1278 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	1279 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	1280 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	1281 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	1282 \n\
17281 bc924baa2c4e doc: Add new @qcode macro for code samples which are quoted. Rik <rik@octave.org> parents: 17249 diff changeset	1283 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: 17249 diff changeset	1284 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: 17249 diff changeset	1285 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	1286 @end deftypefn")
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1287 {
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: diff changeset	1288 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	1289 }
12833 9f0f2c226053 codesprint: new tests for functions in pt-eval.cc John W. Eaton <jwe@octave.org> parents: 11586 diff changeset	1290
9f0f2c226053 codesprint: new tests for functions in pt-eval.cc John W. Eaton <jwe@octave.org> parents: 11586 diff changeset	1291 /*
9f0f2c226053 codesprint: new tests for functions in pt-eval.cc John W. Eaton <jwe@octave.org> parents: 11586 diff changeset	1292 %!test
9f0f2c226053 codesprint: new tests for functions in pt-eval.cc John W. Eaton <jwe@octave.org> parents: 11586 diff changeset	1293 %! orig_val = silent_functions ();
9f0f2c226053 codesprint: new tests for functions in pt-eval.cc John W. Eaton <jwe@octave.org> parents: 11586 diff changeset	1294 %! 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	1295 %! 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	1296 %! 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	1297 %! silent_functions (orig_val);
9f0f2c226053 codesprint: new tests for functions in pt-eval.cc John W. Eaton <jwe@octave.org> parents: 11586 diff changeset	1298 %! 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	1299
eff4a5933e28 Update %!tests in src/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14294 diff changeset	1300 %!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	1301 */

Mercurial > hg > octave-nkf

annotate libinterp/parse-tree/pt-eval.cc @ 19840:c5270263d466 gui-release