annotate libinterp/parse-tree/pt-eval.cc @ 20654:b65888ec820e draft default tip gccjit

dmalcom gcc jit import
author Stefan Mahr <dac922@gmx.de>
date Fri, 27 Feb 2015 16:59:36 +0100
parents 56fee8f84fe7
children
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1 /*
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2
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3 Copyright (C) 2009-2015 John W. Eaton
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4
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5 This file is part of Octave.
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6
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7 Octave is free software; you can redistribute it and/or modify it
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8 under the terms of the GNU General Public License as published by the
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9 Free Software Foundation; either version 3 of the License, or (at your
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10 option) any later version.
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11
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12 Octave is distributed in the hope that it will be useful, but WITHOUT
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13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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15 for more details.
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16
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17 You should have received a copy of the GNU General Public License
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18 along with Octave; see the file COPYING. If not, see
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19 <http://www.gnu.org/licenses/>.
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20
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21 */
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22
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23 #ifdef HAVE_CONFIG_H
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24 #include <config.h>
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25 #endif
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26
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27 #include <cctype>
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28
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29 #include <iostream>
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30
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31 #include <fstream>
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32 #include <typeinfo>
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33
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34 #include "debug.h"
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35 #include "defun.h"
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36 #include "error.h"
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37 #include "gripes.h"
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38 #include "input.h"
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39 #include "ov-fcn-handle.h"
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40 #include "ov-usr-fcn.h"
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41 #include "variables.h"
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42 #include "pt-all.h"
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43 #include "pt-eval.h"
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44 #include "symtab.h"
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45 #include "unwind-prot.h"
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46
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47 //FIXME: This should be part of tree_evaluator
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48 #include "pt-jit.h"
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49
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50 static tree_evaluator std_evaluator;
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51
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52 tree_evaluator *current_evaluator = &std_evaluator;
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53
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54 int tree_evaluator::dbstep_flag = 0;
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55
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56 size_t tree_evaluator::current_frame = 0;
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57
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58 bool tree_evaluator::debug_mode = false;
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59
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60 bool tree_evaluator::quiet_breakpoint_flag = false;
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61
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62 bool tree_evaluator::unwind_protect_exception = false;
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63
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64 tree_evaluator::stmt_list_type tree_evaluator::statement_context
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65 = tree_evaluator::other;
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66
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67 bool tree_evaluator::in_loop_command = false;
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68
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69 // Maximum nesting level for functions, scripts, or sourced files called
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70 // recursively.
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71 int Vmax_recursion_depth = 256;
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72
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73 // If TRUE, turn off printing of results in functions (as if a
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74 // semicolon has been appended to each statement).
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75 static bool Vsilent_functions = false;
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76
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77 // Normal evaluator.
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78
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79 void
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80 tree_evaluator::visit_anon_fcn_handle (tree_anon_fcn_handle&)
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81 {
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82 panic_impossible ();
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83 }
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84
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85 void
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86 tree_evaluator::visit_argument_list (tree_argument_list&)
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87 {
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88 panic_impossible ();
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89 }
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90
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91 void
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92 tree_evaluator::visit_binary_expression (tree_binary_expression&)
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93 {
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94 panic_impossible ();
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95 }
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96
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97 void
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98 tree_evaluator::visit_break_command (tree_break_command& cmd)
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99 {
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100 if (debug_mode)
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101 do_breakpoint (cmd.is_breakpoint ());
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102
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103 if (statement_context == function || statement_context == script
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104 || in_loop_command)
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105 tree_break_command::breaking = 1;
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106 }
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107
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108 void
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109 tree_evaluator::visit_colon_expression (tree_colon_expression&)
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110 {
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111 panic_impossible ();
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112 }
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113
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114 void
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115 tree_evaluator::visit_continue_command (tree_continue_command& cmd)
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116 {
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117 if (debug_mode)
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118 do_breakpoint (cmd.is_breakpoint ());
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119
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120 if (statement_context == function || statement_context == script
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121 || in_loop_command)
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122 tree_continue_command::continuing = 1;
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123 }
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124
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125 void
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126 tree_evaluator::reset_debug_state (void)
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127 {
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128 debug_mode = bp_table::have_breakpoints () || Vdebugging;
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129
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130 dbstep_flag = 0;
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131 }
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132
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133 bool
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134 tree_evaluator::statement_printing_enabled (void)
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135 {
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136 return ! (Vsilent_functions && (statement_context == function
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137 || statement_context == script));
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138 }
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139
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140 static inline void
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141 do_global_init (tree_decl_elt& elt)
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142 {
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143 tree_identifier *id = elt.ident ();
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144
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145 if (id)
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146 {
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147 id->mark_global ();
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148
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149 octave_lvalue ult = id->lvalue ();
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150
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151 if (ult.is_undefined ())
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152 {
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153 tree_expression *expr = elt.expression ();
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154
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155 octave_value init_val;
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156
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157 if (expr)
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158 init_val = expr->rvalue1 ();
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159 else
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160 init_val = Matrix ();
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161
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162 ult.assign (octave_value::op_asn_eq, init_val);
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163 }
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164 }
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165 }
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166
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167 static inline void
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168 do_static_init (tree_decl_elt& elt)
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169 {
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170 tree_identifier *id = elt.ident ();
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171
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172 if (id)
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173 {
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174 id->mark_as_static ();
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175
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176 octave_lvalue ult = id->lvalue ();
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177
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178 if (ult.is_undefined ())
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179 {
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180 tree_expression *expr = elt.expression ();
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181
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182 octave_value init_val;
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183
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184 if (expr)
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185 init_val = expr->rvalue1 ();
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186 else
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187 init_val = Matrix ();
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188
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189 ult.assign (octave_value::op_asn_eq, init_val);
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190 }
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191 }
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192 }
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193
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194 void
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195 tree_evaluator::do_decl_init_list (decl_elt_init_fcn fcn,
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196 tree_decl_init_list *init_list)
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197 {
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198 if (init_list)
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199 {
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200 for (tree_decl_init_list::iterator p = init_list->begin ();
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201 p != init_list->end (); p++)
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202 {
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203 tree_decl_elt *elt = *p;
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204
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205 fcn (*elt);
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206 }
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207 }
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208 }
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209
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210 void
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211 tree_evaluator::visit_global_command (tree_global_command& cmd)
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212 {
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213 if (debug_mode)
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214 do_breakpoint (cmd.is_breakpoint ());
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215
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216 do_decl_init_list (do_global_init, cmd.initializer_list ());
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217 }
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218
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219 void
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220 tree_evaluator::visit_persistent_command (tree_persistent_command& cmd)
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221 {
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222 if (debug_mode)
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223 do_breakpoint (cmd.is_breakpoint ());
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224
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225 do_decl_init_list (do_static_init, cmd.initializer_list ());
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226 }
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227
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228 void
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229 tree_evaluator::visit_decl_elt (tree_decl_elt&)
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230 {
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231 panic_impossible ();
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232 }
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233
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234 #if 0
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235 bool
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236 tree_decl_elt::eval (void)
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237 {
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238 bool retval = false;
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239
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240 if (id && expr)
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241 {
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242 octave_lvalue ult = id->lvalue ();
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243
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244 octave_value init_val = expr->rvalue1 ();
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245
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246 ult.assign (octave_value::op_asn_eq, init_val);
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247
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248 retval = true;
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249 }
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250
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251 return retval;
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252 }
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253 #endif
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254
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255 void
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256 tree_evaluator::visit_decl_init_list (tree_decl_init_list&)
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257 {
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258 panic_impossible ();
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259 }
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260
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261 // Decide if it's time to quit a for or while loop.
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262 static inline bool
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263 quit_loop_now (void)
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264 {
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265 octave_quit ();
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266
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267 // Maybe handle 'continue N' someday...
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268
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269 if (tree_continue_command::continuing)
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270 tree_continue_command::continuing--;
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271
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272 bool quit = (tree_return_command::returning
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273 || tree_break_command::breaking
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274 || tree_continue_command::continuing);
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275
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276 if (tree_break_command::breaking)
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277 tree_break_command::breaking--;
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278
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279 return quit;
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280 }
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281
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282 void
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283 tree_evaluator::visit_simple_for_command (tree_simple_for_command& cmd)
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284 {
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285 if (debug_mode)
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286 do_breakpoint (cmd.is_breakpoint ());
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287
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288 // FIXME: need to handle PARFOR loops here using cmd.in_parallel ()
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289 // and cmd.maxproc_expr ();
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290
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291 unwind_protect frame;
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292
10066
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diff changeset
293 frame.protect_var (in_loop_command);
8658
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parents:
diff changeset
294
8669
33783e94fb16 line number fixes and other evaluator tweaks
John W. Eaton <jwe@octave.org>
parents: 8662
diff changeset
295 in_loop_command = true;
8658
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parents:
diff changeset
296
73c4516fae10 New evaluator and debugger derived from tree-walker class
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parents:
diff changeset
297 tree_expression *expr = cmd.control_expr ();
73c4516fae10 New evaluator and debugger derived from tree-walker class
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parents:
diff changeset
298
73c4516fae10 New evaluator and debugger derived from tree-walker class
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parents:
diff changeset
299 octave_value rhs = expr->rvalue1 ();
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
300
20654
b65888ec820e dmalcom gcc jit import
Stefan Mahr <dac922@gmx.de>
parents: 20592
diff changeset
301 #if HAVE_JIT
15582
52df2e7baabe Disable JIT when breakpoints are present
Max Brister <max@2bass.com>
parents: 15575
diff changeset
302 if (tree_jit::execute (cmd, rhs))
15027
741d2dbcc117 Check trip count before compiling for loops.
Max Brister <max@2bass.com>
parents: 15023
diff changeset
303 return;
741d2dbcc117 Check trip count before compiling for loops.
Max Brister <max@2bass.com>
parents: 15023
diff changeset
304 #endif
741d2dbcc117 Check trip count before compiling for loops.
Max Brister <max@2bass.com>
parents: 15023
diff changeset
305
20592
56fee8f84fe7 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20569
diff changeset
306 if (rhs.is_undefined ())
10066
2cd940306a06 make unwind_protect frames local
Jaroslav Hajek <highegg@gmail.com>
parents: 9494
diff changeset
307 return;
8658
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John W. Eaton <jwe@octave.org>
parents:
diff changeset
308
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
309 {
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
310 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
311
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
312 octave_lvalue ult = lhs->lvalue ();
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_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
315
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
316 if (rhs.is_range ())
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
317 {
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10219
diff changeset
318 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
319
20263
00cf2847355d Deprecate Array::nelem() and Range::nelem() in favour of ::numel().
Carnë Draug <carandraug@octave.org>
parents: 20198
diff changeset
320 octave_idx_type steps = rng.numel ();
8658
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
321
10315
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John W. Eaton <jwe@octave.org>
parents: 10219
diff changeset
322 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
323 {
19252
0279c601b49c compute for loop indices consistently with range element results
John W. Eaton <jwe@octave.org>
parents: 17787
diff changeset
324 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
325
13225
359153d26cc1 eliminate DO_SIMPLE_FOR_LOOP_ONCE macro
John W. Eaton <jwe@octave.org>
parents: 12833
diff changeset
326 ult.assign (octave_value::op_asn_eq, val);
8658
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John W. Eaton <jwe@octave.org>
parents:
diff changeset
327
20592
56fee8f84fe7 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20569
diff changeset
328 if (loop_body)
13225
359153d26cc1 eliminate DO_SIMPLE_FOR_LOOP_ONCE macro
John W. Eaton <jwe@octave.org>
parents: 12833
diff changeset
329 loop_body->accept (*this);
359153d26cc1 eliminate DO_SIMPLE_FOR_LOOP_ONCE macro
John W. Eaton <jwe@octave.org>
parents: 12833
diff changeset
330
359153d26cc1 eliminate DO_SIMPLE_FOR_LOOP_ONCE macro
John W. Eaton <jwe@octave.org>
parents: 12833
diff changeset
331 if (quit_loop_now ())
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10219
diff changeset
332 break;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10219
diff changeset
333 }
8658
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
334 }
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
335 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
336 {
13225
359153d26cc1 eliminate DO_SIMPLE_FOR_LOOP_ONCE macro
John W. Eaton <jwe@octave.org>
parents: 12833
diff changeset
337 ult.assign (octave_value::op_asn_eq, rhs);
8658
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John W. Eaton <jwe@octave.org>
parents:
diff changeset
338
20592
56fee8f84fe7 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20569
diff changeset
339 if (loop_body)
13225
359153d26cc1 eliminate DO_SIMPLE_FOR_LOOP_ONCE macro
John W. Eaton <jwe@octave.org>
parents: 12833
diff changeset
340 loop_body->accept (*this);
359153d26cc1 eliminate DO_SIMPLE_FOR_LOOP_ONCE macro
John W. Eaton <jwe@octave.org>
parents: 12833
diff changeset
341
359153d26cc1 eliminate DO_SIMPLE_FOR_LOOP_ONCE macro
John W. Eaton <jwe@octave.org>
parents: 12833
diff changeset
342 // Maybe decrement break and continue states.
359153d26cc1 eliminate DO_SIMPLE_FOR_LOOP_ONCE macro
John W. Eaton <jwe@octave.org>
parents: 12833
diff changeset
343 quit_loop_now ();
8658
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
344 }
9005
f26e0f00ce01 fix simple looping over structs
Jaroslav Hajek <highegg@gmail.com>
parents: 8868
diff changeset
345 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
346 || rhs.is_map ())
8658
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
347 {
8662
af72c8137d64 improve looping over arrays
Jaroslav Hajek <highegg@gmail.com>
parents: 8658
diff changeset
348 // 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
349 // columns.
8658
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John W. Eaton <jwe@octave.org>
parents:
diff changeset
350
8662
af72c8137d64 improve looping over arrays
Jaroslav Hajek <highegg@gmail.com>
parents: 8658
diff changeset
351 dim_vector dv = rhs.dims ().redim (2);
af72c8137d64 improve looping over arrays
Jaroslav Hajek <highegg@gmail.com>
parents: 8658
diff changeset
352
18099
6a71e5030df5 Follow coding convention of defining and initializing only 1 variable per line in liboctinterp.
Rik <rik@octave.org>
parents: 17856
diff changeset
353 octave_idx_type nrows = dv(0);
6a71e5030df5 Follow coding convention of defining and initializing only 1 variable per line in liboctinterp.
Rik <rik@octave.org>
parents: 17856
diff changeset
354 octave_idx_type steps = dv(1);
8658
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
355
8662
af72c8137d64 improve looping over arrays
Jaroslav Hajek <highegg@gmail.com>
parents: 8658
diff changeset
356 if (steps > 0)
af72c8137d64 improve looping over arrays
Jaroslav Hajek <highegg@gmail.com>
parents: 8658
diff changeset
357 {
af72c8137d64 improve looping over arrays
Jaroslav Hajek <highegg@gmail.com>
parents: 8658
diff changeset
358 octave_value arg = rhs;
af72c8137d64 improve looping over arrays
Jaroslav Hajek <highegg@gmail.com>
parents: 8658
diff changeset
359 if (rhs.ndims () > 2)
af72c8137d64 improve looping over arrays
Jaroslav Hajek <highegg@gmail.com>
parents: 8658
diff changeset
360 arg = arg.reshape (dv);
8658
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
361
8679
280fae940bb0 optimize scalar indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8677
diff changeset
362 // for row vectors, use single index to speed things up.
280fae940bb0 optimize scalar indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8677
diff changeset
363 octave_value_list idx;
280fae940bb0 optimize scalar indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8677
diff changeset
364 octave_idx_type iidx;
280fae940bb0 optimize scalar indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8677
diff changeset
365 if (nrows == 1)
280fae940bb0 optimize scalar indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8677
diff changeset
366 {
280fae940bb0 optimize scalar indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8677
diff changeset
367 idx.resize (1);
280fae940bb0 optimize scalar indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8677
diff changeset
368 iidx = 0;
280fae940bb0 optimize scalar indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8677
diff changeset
369 }
280fae940bb0 optimize scalar indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8677
diff changeset
370 else
280fae940bb0 optimize scalar indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8677
diff changeset
371 {
280fae940bb0 optimize scalar indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8677
diff changeset
372 idx.resize (2);
280fae940bb0 optimize scalar indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8677
diff changeset
373 idx(0) = octave_value::magic_colon_t;
280fae940bb0 optimize scalar indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8677
diff changeset
374 iidx = 1;
280fae940bb0 optimize scalar indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8677
diff changeset
375 }
8658
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
376
8662
af72c8137d64 improve looping over arrays
Jaroslav Hajek <highegg@gmail.com>
parents: 8658
diff changeset
377 for (octave_idx_type i = 1; i <= steps; i++)
af72c8137d64 improve looping over arrays
Jaroslav Hajek <highegg@gmail.com>
parents: 8658
diff changeset
378 {
af72c8137d64 improve looping over arrays
Jaroslav Hajek <highegg@gmail.com>
parents: 8658
diff changeset
379 // do_index_op expects one-based indices.
8679
280fae940bb0 optimize scalar indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8677
diff changeset
380 idx(iidx) = i;
8662
af72c8137d64 improve looping over arrays
Jaroslav Hajek <highegg@gmail.com>
parents: 8658
diff changeset
381 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
382
359153d26cc1 eliminate DO_SIMPLE_FOR_LOOP_ONCE macro
John W. Eaton <jwe@octave.org>
parents: 12833
diff changeset
383 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
384
20592
56fee8f84fe7 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20569
diff changeset
385 if (loop_body)
13225
359153d26cc1 eliminate DO_SIMPLE_FOR_LOOP_ONCE macro
John W. Eaton <jwe@octave.org>
parents: 12833
diff changeset
386 loop_body->accept (*this);
359153d26cc1 eliminate DO_SIMPLE_FOR_LOOP_ONCE macro
John W. Eaton <jwe@octave.org>
parents: 12833
diff changeset
387
359153d26cc1 eliminate DO_SIMPLE_FOR_LOOP_ONCE macro
John W. Eaton <jwe@octave.org>
parents: 12833
diff changeset
388 if (quit_loop_now ())
8662
af72c8137d64 improve looping over arrays
Jaroslav Hajek <highegg@gmail.com>
parents: 8658
diff changeset
389 break;
af72c8137d64 improve looping over arrays
Jaroslav Hajek <highegg@gmail.com>
parents: 8658
diff changeset
390 }
af72c8137d64 improve looping over arrays
Jaroslav Hajek <highegg@gmail.com>
parents: 8658
diff changeset
391 }
8658
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
392 }
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
393 else
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
394 {
20463
7ac907da9fba Use error() rather than ::error() unless explicitly required.
Rik <rik@octave.org>
parents: 20263
diff changeset
395 error ("invalid type in for loop expression near line %d, column %d",
7ac907da9fba Use error() rather than ::error() unless explicitly required.
Rik <rik@octave.org>
parents: 20263
diff changeset
396 cmd.line (), cmd.column ());
8658
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
397 }
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
398 }
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
399 }
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
400
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
401 void
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
402 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
403 {
8845
5a6db6bd1a02 eigs.cc (Feigs): fix handling of sigma arg
John W. Eaton <jwe@octave.org>
parents: 8679
diff changeset
404 if (debug_mode)
9484
bbe033dcfe13 make dbwhere work when called at keyboard prompt
John W. Eaton <jwe@octave.org>
parents: 9418
diff changeset
405 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
406
10066
2cd940306a06 make unwind_protect frames local
Jaroslav Hajek <highegg@gmail.com>
parents: 9494
diff changeset
407 unwind_protect frame;
8658
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
408
10066
2cd940306a06 make unwind_protect frames local
Jaroslav Hajek <highegg@gmail.com>
parents: 9494
diff changeset
409 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
410
8669
33783e94fb16 line number fixes and other evaluator tweaks
John W. Eaton <jwe@octave.org>
parents: 8662
diff changeset
411 in_loop_command = true;
8658
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
412
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
413 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
414
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
415 octave_value rhs = expr->rvalue1 ();
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
416
20592
56fee8f84fe7 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20569
diff changeset
417 if (rhs.is_undefined ())
10066
2cd940306a06 make unwind_protect frames local
Jaroslav Hajek <highegg@gmail.com>
parents: 9494
diff changeset
418 return;
8658
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 if (rhs.is_map ())
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
421 {
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
422 // 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
423 // 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
424 // structure element.
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
425
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
426 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
427
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
428 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
429
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
430 tree_expression *elt = *p++;
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
431
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
432 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
433
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
434 elt = *p;
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
435
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
436 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
437
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
438 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
439
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
440 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
441
9494
ca95d991a65a use key list order for iterating through map with for loop
John W. Eaton <jwe@octave.org>
parents: 9484
diff changeset
442 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
443
ca95d991a65a use key list order for iterating through map with for loop
John W. Eaton <jwe@octave.org>
parents: 9484
diff changeset
444 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
445
9494
ca95d991a65a use key list order for iterating through map with for loop
John W. Eaton <jwe@octave.org>
parents: 9484
diff changeset
446 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
447 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10219
diff changeset
448 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
449
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10219
diff changeset
450 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
451
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10219
diff changeset
452 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
453
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10219
diff changeset
454 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
455
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10219
diff changeset
456 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
457 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
458
20592
56fee8f84fe7 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20569
diff changeset
459 if (loop_body)
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10219
diff changeset
460 loop_body->accept (*this);
8658
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
461
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10219
diff changeset
462 if (quit_loop_now ())
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10219
diff changeset
463 break;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10219
diff changeset
464 }
8658
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
465 }
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
466 else
15466
d174210ce1ec use ' instead of ` in error messages, warnings and most comments
John W. Eaton <jwe@octave.org>
parents: 14138
diff changeset
467 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
468 }
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
469
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
470 void
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
471 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
472 {
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
473 panic_impossible ();
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
474 }
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
475
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
476 void
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
477 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
478 {
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
479 panic_impossible ();
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
480 }
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
481
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
482 void
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
483 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
484 {
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
485 panic_impossible ();
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
486 }
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 void
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
489 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
490 {
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
491 panic_impossible ();
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
492 }
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
493
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
494 void
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
495 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
496 {
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
497 octave_value fcn = cmd.function ();
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
498
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
499 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
500
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
501 if (f)
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 std::string nm = f->name ();
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
504
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
505 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
506
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
507 // 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
508 // function is cleared.
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
509
16442
302157614308 deprecate symbol_table::varref functions
John W. Eaton <jwe@octave.org>
parents: 16396
diff changeset
510 symbol_table::assign (nm);
8658
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
511 }
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
512 }
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
513
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
514 void
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
515 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
516 {
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
517 panic_impossible ();
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
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
520 void
8677
095ae5e0a831 eliminte some compiler warnings
John W. Eaton <jwe@octave.org>
parents: 8669
diff changeset
521 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
522 {
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
523 panic_impossible ();
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
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
526 void
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
527 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
528 {
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
529 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
530
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
531 if (lst)
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
532 lst->accept (*this);
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 void
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
536 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
537 {
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
538 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
539 {
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
540 tree_if_clause *tic = *p;
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 tree_expression *expr = tic->condition ();
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
543
16354
fb27f1e08297 track line and column info directly in call stack (bug #38556)
John W. Eaton <jwe@octave.org>
parents: 15606
diff changeset
544 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
545 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
546
8845
5a6db6bd1a02 eigs.cc (Feigs): fix handling of sigma arg
John W. Eaton <jwe@octave.org>
parents: 8679
diff changeset
547 if (debug_mode && ! tic->is_else_clause ())
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10219
diff changeset
548 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
549
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
550 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
551 {
20592
56fee8f84fe7 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20569
diff changeset
552 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
553
20592
56fee8f84fe7 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20569
diff changeset
554 if (stmt_lst)
56fee8f84fe7 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20569
diff changeset
555 stmt_lst->accept (*this);
8658
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
556
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10219
diff changeset
557 break;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10219
diff changeset
558 }
8658
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 }
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 void
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
563 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
564 {
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
565 panic_impossible ();
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
566 }
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
567
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
568 void
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
569 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
570 {
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
571 panic_impossible ();
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
572 }
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
573
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
574 void
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
575 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
576 {
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
577 panic_impossible ();
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
578 }
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
579
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
580 void
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
581 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
582 {
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
583 panic_impossible ();
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 void
8845
5a6db6bd1a02 eigs.cc (Feigs): fix handling of sigma arg
John W. Eaton <jwe@octave.org>
parents: 8679
diff changeset
587 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
588 {
8845
5a6db6bd1a02 eigs.cc (Feigs): fix handling of sigma arg
John W. Eaton <jwe@octave.org>
parents: 8679
diff changeset
589 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
590 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
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_constant (tree_constant&)
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_fcn_handle (tree_fcn_handle&)
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
15035
a820a990968e new tree_funcall class
John W. Eaton <jwe@octave.org>
parents: 15027
diff changeset
606 tree_evaluator::visit_funcall (tree_funcall&)
a820a990968e new tree_funcall class
John W. Eaton <jwe@octave.org>
parents: 15027
diff changeset
607 {
a820a990968e new tree_funcall class
John W. Eaton <jwe@octave.org>
parents: 15027
diff changeset
608 panic_impossible ();
a820a990968e new tree_funcall class
John W. Eaton <jwe@octave.org>
parents: 15027
diff changeset
609 }
a820a990968e new tree_funcall class
John W. Eaton <jwe@octave.org>
parents: 15027
diff changeset
610
a820a990968e new tree_funcall class
John W. Eaton <jwe@octave.org>
parents: 15027
diff changeset
611 void
8658
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
612 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
613 {
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
614 panic_impossible ();
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
615 }
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 void
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
618 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
619 {
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
620 panic_impossible ();
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
621 }
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 void
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
624 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
625 {
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
626 panic_impossible ();
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
627 }
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 void
8845
5a6db6bd1a02 eigs.cc (Feigs): fix handling of sigma arg
John W. Eaton <jwe@octave.org>
parents: 8679
diff changeset
630 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
631 {
20592
56fee8f84fe7 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20569
diff changeset
632 if (debug_mode)
56fee8f84fe7 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20569
diff changeset
633 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
634
20592
56fee8f84fe7 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20569
diff changeset
635 // Act like dbcont.
10188
97ae300aa73a improve implementation of break, continue, and return commands
John W. Eaton <jwe@octave.org>
parents: 10186
diff changeset
636
20592
56fee8f84fe7 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20569
diff changeset
637 if (Vdebugging
56fee8f84fe7 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20569
diff changeset
638 && octave_call_stack::current_frame () == current_frame)
56fee8f84fe7 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20569
diff changeset
639 {
56fee8f84fe7 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20569
diff changeset
640 Vdebugging = false;
10188
97ae300aa73a improve implementation of break, continue, and return commands
John W. Eaton <jwe@octave.org>
parents: 10186
diff changeset
641
20592
56fee8f84fe7 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20569
diff changeset
642 reset_debug_state ();
8845
5a6db6bd1a02 eigs.cc (Feigs): fix handling of sigma arg
John W. Eaton <jwe@octave.org>
parents: 8679
diff changeset
643 }
20592
56fee8f84fe7 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20569
diff changeset
644 else if (statement_context == function || statement_context == script
56fee8f84fe7 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20569
diff changeset
645 || in_loop_command)
56fee8f84fe7 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20569
diff changeset
646 tree_return_command::returning = 1;
8658
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
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
649 void
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
650 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
651 {
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
652 panic_impossible ();
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
653 }
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
654
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
655 void
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
656 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
657 {
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
658 panic_impossible ();
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
659 }
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
660
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
661 void
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
662 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
663 {
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
664 tree_command *cmd = stmt.command ();
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
665 tree_expression *expr = stmt.expression ();
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
666
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
667 if (cmd || expr)
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
668 {
11304
c9fefa096ce2 echo commands in scripts
John W. Eaton <jwe@octave.org>
parents: 11066
diff changeset
669 if (statement_context == function || statement_context == script)
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10219
diff changeset
670 {
10839
65bc065bec95 still more debugger fixes
John W. Eaton <jwe@octave.org>
parents: 10836
diff changeset
671 // 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
672 // the state of the program we are debugging.
65bc065bec95 still more debugger fixes
John W. Eaton <jwe@octave.org>
parents: 10836
diff changeset
673
65bc065bec95 still more debugger fixes
John W. Eaton <jwe@octave.org>
parents: 10836
diff changeset
674 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
675 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
676
11304
c9fefa096ce2 echo commands in scripts
John W. Eaton <jwe@octave.org>
parents: 11066
diff changeset
677 if ((statement_context == script
18267
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
678 && ((Vecho_executing_commands & ECHO_SCRIPTS
19895
19755f4fc851 maint: Cleanup C++ code to follow Octave coding conventions.
Rik <rik@octave.org>
parents: 19731
diff changeset
679 && octave_call_stack::all_scripts ())
18267
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
680 || Vecho_executing_commands & ECHO_FUNCTIONS))
11304
c9fefa096ce2 echo commands in scripts
John W. Eaton <jwe@octave.org>
parents: 11066
diff changeset
681 || (statement_context == function
18267
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
682 && Vecho_executing_commands & ECHO_FUNCTIONS))
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10219
diff changeset
683 stmt.echo_code ();
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10219
diff changeset
684 }
8658
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 try
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10219
diff changeset
687 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10219
diff changeset
688 if (cmd)
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10219
diff changeset
689 cmd->accept (*this);
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10219
diff changeset
690 else
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10219
diff changeset
691 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10219
diff changeset
692 if (debug_mode)
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10219
diff changeset
693 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
694
17787
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
695 // 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
696 // 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
697 // 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
698 // printing the result.
8658
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
699
17787
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
700 // 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
701 // 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
702 // 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
703
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10219
diff changeset
704 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
705
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10219
diff changeset
706 if (expr->is_identifier ())
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10219
diff changeset
707 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10219
diff changeset
708 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
709
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10219
diff changeset
710 do_bind_ans = (! id->is_variable ());
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10219
diff changeset
711 }
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 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
714
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10219
diff changeset
715 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
716
20592
56fee8f84fe7 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20569
diff changeset
717 if (do_bind_ans && tmp_result.is_defined ())
15606
fb9dffe5fbfb The silent_functions flag no longer modifies the parse tree
Max Brister <max@2bass.com>
parents: 15582
diff changeset
718 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
719 && statement_printing_enabled ());
8658
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
720
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10219
diff changeset
721 // if (tmp_result.is_defined ())
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10219
diff changeset
722 // result_values(0) = tmp_result;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10219
diff changeset
723 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10219
diff changeset
724 }
20569
b70cc4bd8109 begin removal of global error_state variable
John W. Eaton <jwe@octave.org>
parents: 20463
diff changeset
725 catch (const std::bad_alloc&)
15244
c16357c4bdbb attempt to display location of out of memory errors in interpreted code
John W. Eaton <jwe@octave.org>
parents: 15195
diff changeset
726 {
20592
56fee8f84fe7 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20569
diff changeset
727 // FIXME: We want to use error_with_id here so that give users
56fee8f84fe7 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20569
diff changeset
728 // control over this error message but error_with_id will
56fee8f84fe7 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20569
diff changeset
729 // require some memory allocations. Is there anything we can
56fee8f84fe7 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20569
diff changeset
730 // do to make those more likely to succeed?
15244
c16357c4bdbb attempt to display location of out of memory errors in interpreted code
John W. Eaton <jwe@octave.org>
parents: 15195
diff changeset
731
c16357c4bdbb attempt to display location of out of memory errors in interpreted code
John W. Eaton <jwe@octave.org>
parents: 15195
diff changeset
732 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
733 "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
734 }
8658
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
735 }
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
736 }
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
737
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
738 void
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
739 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
740 {
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
741 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
742
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
743 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
744
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
745 if (p != lst.end ())
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
746 {
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
747 while (true)
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 tree_statement *elt = *p++;
8658
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
750
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10219
diff changeset
751 if (elt)
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10219
diff changeset
752 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10219
diff changeset
753 octave_quit ();
8658
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
754
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10219
diff changeset
755 elt->accept (*this);
8658
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
756
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10219
diff changeset
757 if (tree_break_command::breaking
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10219
diff changeset
758 || tree_continue_command::continuing)
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10219
diff changeset
759 break;
8658
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
760
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10219
diff changeset
761 if (tree_return_command::returning)
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10219
diff changeset
762 break;
8658
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
763
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10219
diff changeset
764 if (p == lst.end ())
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10219
diff changeset
765 break;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10219
diff changeset
766 else
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10219
diff changeset
767 {
17336
b81b9d079515 Use '##' for comments which stand alone on a line.
Rik <rik@octave.org>
parents: 17281
diff changeset
768 // Clear previous values before next statement is
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10219
diff changeset
769 // 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
770 // 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
771 // example, in code like this:
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10219
diff changeset
772 //
17336
b81b9d079515 Use '##' for comments which stand alone on a line.
Rik <rik@octave.org>
parents: 17281
diff changeset
773 // 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
774 // # after this statement
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10219
diff changeset
775 //
17336
b81b9d079515 Use '##' for comments which stand alone on a line.
Rik <rik@octave.org>
parents: 17281
diff changeset
776 // 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
777 // # needed, but we will be faked
b81b9d079515 Use '##' for comments which stand alone on a line.
Rik <rik@octave.org>
parents: 17281
diff changeset
778 // # out if retval is not cleared
b81b9d079515 Use '##' for comments which stand alone on a line.
Rik <rik@octave.org>
parents: 17281
diff changeset
779 // # between statements here
8658
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
780
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10219
diff changeset
781 // result_values = empty_list;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10219
diff changeset
782 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10219
diff changeset
783 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10219
diff changeset
784 else
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10219
diff changeset
785 error ("invalid statement found in statement list!");
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10219
diff changeset
786 }
8658
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
787 }
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
788 }
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
789
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
790 void
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
791 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
792 {
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
793 panic_impossible ();
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
794 }
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
795
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
796 void
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
797 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
798 {
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
799 panic_impossible ();
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
800 }
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
801
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
802 void
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
803 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
804 {
10836
6abf966379de pt-eval.cc: process breakpoints for if and switch commands
John W. Eaton <jwe@octave.org>
parents: 10578
diff changeset
805 if (debug_mode)
6abf966379de pt-eval.cc: process breakpoints for if and switch commands
John W. Eaton <jwe@octave.org>
parents: 10578
diff changeset
806 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
807
8658
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
808 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
809
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
810 if (expr)
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
811 {
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
812 octave_value val = expr->rvalue1 ();
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
813
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
814 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
815
20592
56fee8f84fe7 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20569
diff changeset
816 if (lst)
10315
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 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
819 p != lst->end (); p++)
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10219
diff changeset
820 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10219
diff changeset
821 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
822
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10219
diff changeset
823 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
824 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10219
diff changeset
825 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
826
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10219
diff changeset
827 if (stmt_lst)
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10219
diff changeset
828 stmt_lst->accept (*this);
8658
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
829
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10219
diff changeset
830 break;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10219
diff changeset
831 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10219
diff changeset
832 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10219
diff changeset
833 }
8658
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
834 }
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
835 else
20463
7ac907da9fba Use error() rather than ::error() unless explicitly required.
Rik <rik@octave.org>
parents: 20263
diff changeset
836 error ("missing value in switch command near line %d, column %d",
7ac907da9fba Use error() rather than ::error() unless explicitly required.
Rik <rik@octave.org>
parents: 20263
diff changeset
837 cmd.line (), cmd.column ());
8658
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
838 }
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
839
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
840 void
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
841 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
842 {
10066
2cd940306a06 make unwind_protect frames local
Jaroslav Hajek <highegg@gmail.com>
parents: 9494
diff changeset
843 unwind_protect frame;
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
844
10066
2cd940306a06 make unwind_protect frames local
Jaroslav Hajek <highegg@gmail.com>
parents: 9494
diff changeset
845 frame.protect_var (buffer_error_messages);
2cd940306a06 make unwind_protect frames local
Jaroslav Hajek <highegg@gmail.com>
parents: 9494
diff changeset
846 frame.protect_var (Vdebug_on_error);
2cd940306a06 make unwind_protect frames local
Jaroslav Hajek <highegg@gmail.com>
parents: 9494
diff changeset
847 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
848
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
849 buffer_error_messages++;
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
850 Vdebug_on_error = false;
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
851 Vdebug_on_warning = false;
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
852
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
853 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
854
10066
2cd940306a06 make unwind_protect frames local
Jaroslav Hajek <highegg@gmail.com>
parents: 9494
diff changeset
855 // 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
856 // 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
857
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
858 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
859
20569
b70cc4bd8109 begin removal of global error_state variable
John W. Eaton <jwe@octave.org>
parents: 20463
diff changeset
860 bool execution_error = false;
b70cc4bd8109 begin removal of global error_state variable
John W. Eaton <jwe@octave.org>
parents: 20463
diff changeset
861
8658
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
862 if (try_code)
10066
2cd940306a06 make unwind_protect frames local
Jaroslav Hajek <highegg@gmail.com>
parents: 9494
diff changeset
863 {
20569
b70cc4bd8109 begin removal of global error_state variable
John W. Eaton <jwe@octave.org>
parents: 20463
diff changeset
864 try
b70cc4bd8109 begin removal of global error_state variable
John W. Eaton <jwe@octave.org>
parents: 20463
diff changeset
865 {
b70cc4bd8109 begin removal of global error_state variable
John W. Eaton <jwe@octave.org>
parents: 20463
diff changeset
866 try_code->accept (*this);
b70cc4bd8109 begin removal of global error_state variable
John W. Eaton <jwe@octave.org>
parents: 20463
diff changeset
867 }
b70cc4bd8109 begin removal of global error_state variable
John W. Eaton <jwe@octave.org>
parents: 20463
diff changeset
868 catch (const octave_execution_exception&)
b70cc4bd8109 begin removal of global error_state variable
John W. Eaton <jwe@octave.org>
parents: 20463
diff changeset
869 {
b70cc4bd8109 begin removal of global error_state variable
John W. Eaton <jwe@octave.org>
parents: 20463
diff changeset
870 execution_error = true;
b70cc4bd8109 begin removal of global error_state variable
John W. Eaton <jwe@octave.org>
parents: 20463
diff changeset
871 }
10066
2cd940306a06 make unwind_protect frames local
Jaroslav Hajek <highegg@gmail.com>
parents: 9494
diff changeset
872 }
8658
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
873
20569
b70cc4bd8109 begin removal of global error_state variable
John W. Eaton <jwe@octave.org>
parents: 20463
diff changeset
874 if (execution_error)
8658
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
875 {
10066
2cd940306a06 make unwind_protect frames local
Jaroslav Hajek <highegg@gmail.com>
parents: 9494
diff changeset
876 if (catch_code)
2cd940306a06 make unwind_protect frames local
Jaroslav Hajek <highegg@gmail.com>
parents: 9494
diff changeset
877 {
2cd940306a06 make unwind_protect frames local
Jaroslav Hajek <highegg@gmail.com>
parents: 9494
diff changeset
878 // 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
879 // 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
880
10066
2cd940306a06 make unwind_protect frames local
Jaroslav Hajek <highegg@gmail.com>
parents: 9494
diff changeset
881 buffer_error_messages--;
8658
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
882
17249
923ce8b42db2 improve try-catch-statement to save exception to a variable (bug #33217)
Stefan Mahr <dac922@gmx.de>
parents: 16442
diff changeset
883 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
884 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
885
923ce8b42db2 improve try-catch-statement to save exception to a variable (bug #33217)
Stefan Mahr <dac922@gmx.de>
parents: 16442
diff changeset
886 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
887 {
20569
b70cc4bd8109 begin removal of global error_state variable
John W. Eaton <jwe@octave.org>
parents: 20463
diff changeset
888 ult = expr_id->lvalue ();
17249
923ce8b42db2 improve try-catch-statement to save exception to a variable (bug #33217)
Stefan Mahr <dac922@gmx.de>
parents: 16442
diff changeset
889
923ce8b42db2 improve try-catch-statement to save exception to a variable (bug #33217)
Stefan Mahr <dac922@gmx.de>
parents: 16442
diff changeset
890 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
891
923ce8b42db2 improve try-catch-statement to save exception to a variable (bug #33217)
Stefan Mahr <dac922@gmx.de>
parents: 16442
diff changeset
892 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
893 err.assign ("identifier", last_error_id ());
18221
6ef8b920a7d6 include stack in exception variable (bug #41117)
Stefan Mahr <dac922@gmx.de>
parents: 17787
diff changeset
894 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
895
20569
b70cc4bd8109 begin removal of global error_state variable
John W. Eaton <jwe@octave.org>
parents: 20463
diff changeset
896 ult.assign (octave_value::op_asn_eq, err);
17249
923ce8b42db2 improve try-catch-statement to save exception to a variable (bug #33217)
Stefan Mahr <dac922@gmx.de>
parents: 16442
diff changeset
897 }
923ce8b42db2 improve try-catch-statement to save exception to a variable (bug #33217)
Stefan Mahr <dac922@gmx.de>
parents: 16442
diff changeset
898
10066
2cd940306a06 make unwind_protect frames local
Jaroslav Hajek <highegg@gmail.com>
parents: 9494
diff changeset
899 if (catch_code)
2cd940306a06 make unwind_protect frames local
Jaroslav Hajek <highegg@gmail.com>
parents: 9494
diff changeset
900 catch_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 }
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
903 }
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
904
10066
2cd940306a06 make unwind_protect frames local
Jaroslav Hajek <highegg@gmail.com>
parents: 9494
diff changeset
905 void
2cd940306a06 make unwind_protect frames local
Jaroslav Hajek <highegg@gmail.com>
parents: 9494
diff changeset
906 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
907 {
10066
2cd940306a06 make unwind_protect frames local
Jaroslav Hajek <highegg@gmail.com>
parents: 9494
diff changeset
908 unwind_protect frame;
2cd940306a06 make unwind_protect frames local
Jaroslav Hajek <highegg@gmail.com>
parents: 9494
diff changeset
909
2cd940306a06 make unwind_protect frames local
Jaroslav Hajek <highegg@gmail.com>
parents: 9494
diff changeset
910 frame.protect_var (octave_interrupt_state);
9383
d57f0c56195f improve error handling
Jaroslav Hajek <highegg@gmail.com>
parents: 9378
diff changeset
911 octave_interrupt_state = 0;
d57f0c56195f improve error handling
Jaroslav Hajek <highegg@gmail.com>
parents: 9378
diff changeset
912
16354
fb27f1e08297 track line and column info directly in call stack (bug #38556)
John W. Eaton <jwe@octave.org>
parents: 15606
diff changeset
913 // 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
914 // backtracking.
16354
fb27f1e08297 track line and column info directly in call stack (bug #38556)
John W. Eaton <jwe@octave.org>
parents: 15606
diff changeset
915 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
916 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
917 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
918 octave_call_stack::current_column ());
10210
752f349052a2 ensure correct backtraces after error in unwind_protect
Jaroslav Hajek <highegg@gmail.com>
parents: 10194
diff changeset
919
8658
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
920 // 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
921 // 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
922 // 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
923 // only occur in loops.
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
924
10066
2cd940306a06 make unwind_protect frames local
Jaroslav Hajek <highegg@gmail.com>
parents: 9494
diff changeset
925 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
926 tree_return_command::returning = 0;
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
927
10066
2cd940306a06 make unwind_protect frames local
Jaroslav Hajek <highegg@gmail.com>
parents: 9494
diff changeset
928 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
929 tree_break_command::breaking = 0;
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
930
20569
b70cc4bd8109 begin removal of global error_state variable
John W. Eaton <jwe@octave.org>
parents: 20463
diff changeset
931 bool execution_error_in_cleanup = false;
b70cc4bd8109 begin removal of global error_state variable
John W. Eaton <jwe@octave.org>
parents: 20463
diff changeset
932
b70cc4bd8109 begin removal of global error_state variable
John W. Eaton <jwe@octave.org>
parents: 20463
diff changeset
933 try
b70cc4bd8109 begin removal of global error_state variable
John W. Eaton <jwe@octave.org>
parents: 20463
diff changeset
934 {
b70cc4bd8109 begin removal of global error_state variable
John W. Eaton <jwe@octave.org>
parents: 20463
diff changeset
935 if (list)
b70cc4bd8109 begin removal of global error_state variable
John W. Eaton <jwe@octave.org>
parents: 20463
diff changeset
936 list->accept (*this);
b70cc4bd8109 begin removal of global error_state variable
John W. Eaton <jwe@octave.org>
parents: 20463
diff changeset
937 }
b70cc4bd8109 begin removal of global error_state variable
John W. Eaton <jwe@octave.org>
parents: 20463
diff changeset
938 catch (const octave_execution_exception&)
b70cc4bd8109 begin removal of global error_state variable
John W. Eaton <jwe@octave.org>
parents: 20463
diff changeset
939 {
b70cc4bd8109 begin removal of global error_state variable
John W. Eaton <jwe@octave.org>
parents: 20463
diff changeset
940 execution_error_in_cleanup = true;
b70cc4bd8109 begin removal of global error_state variable
John W. Eaton <jwe@octave.org>
parents: 20463
diff changeset
941 }
8658
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
942
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
943 // 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
944 // 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
945
17787
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
946 // 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
947 // 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
948 // 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
949 // 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
950 // Consider the case of
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
951 //
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
952 // function foo ()
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
953 // unwind_protect
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
954 // 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
955 // break;
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
956 // 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
957 // unwind_protect_cleanup
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
958 // 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
959 // return;
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
960 // 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
961 // end_unwind_protect
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
962 // endfunction
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
963 //
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
964 // 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
965 // 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
966 // 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
967 // 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
968 // 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
969
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
970 if (tree_break_command::breaking || tree_return_command::returning)
20569
b70cc4bd8109 begin removal of global error_state variable
John W. Eaton <jwe@octave.org>
parents: 20463
diff changeset
971 frame.discard (2);
8658
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
972 else
20569
b70cc4bd8109 begin removal of global error_state variable
John W. Eaton <jwe@octave.org>
parents: 20463
diff changeset
973 frame.run (2);
8658
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
974
20569
b70cc4bd8109 begin removal of global error_state variable
John W. Eaton <jwe@octave.org>
parents: 20463
diff changeset
975 // We don't want to ignore errors that occur in the cleanup code,
b70cc4bd8109 begin removal of global error_state variable
John W. Eaton <jwe@octave.org>
parents: 20463
diff changeset
976 // so if an error is encountered there, rethrow the exception.
b70cc4bd8109 begin removal of global error_state variable
John W. Eaton <jwe@octave.org>
parents: 20463
diff changeset
977 // Otherwise, rethrow any exception that might have occurred in the
b70cc4bd8109 begin removal of global error_state variable
John W. Eaton <jwe@octave.org>
parents: 20463
diff changeset
978 // unwind_protect block.
8658
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
979
20569
b70cc4bd8109 begin removal of global error_state variable
John W. Eaton <jwe@octave.org>
parents: 20463
diff changeset
980 if (execution_error_in_cleanup)
15469
72868cae7624 eliminate some deprecated function warnings
John W. Eaton <jwe@octave.org>
parents: 15467
diff changeset
981 frame.discard (2);
8658
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
982 else
15469
72868cae7624 eliminate some deprecated function warnings
John W. Eaton <jwe@octave.org>
parents: 15467
diff changeset
983 frame.run (2);
9418
f008a3a1bcb0 add missing unwind_protect::run in pt-eval.cc
Jaroslav Hajek <highegg@gmail.com>
parents: 9396
diff changeset
984
10066
2cd940306a06 make unwind_protect frames local
Jaroslav Hajek <highegg@gmail.com>
parents: 9494
diff changeset
985 frame.run ();
20569
b70cc4bd8109 begin removal of global error_state variable
John W. Eaton <jwe@octave.org>
parents: 20463
diff changeset
986
b70cc4bd8109 begin removal of global error_state variable
John W. Eaton <jwe@octave.org>
parents: 20463
diff changeset
987 // FIXME: we should really be rethrowing whatever exception occurred,
b70cc4bd8109 begin removal of global error_state variable
John W. Eaton <jwe@octave.org>
parents: 20463
diff changeset
988 // not just throwing an execution exception.
b70cc4bd8109 begin removal of global error_state variable
John W. Eaton <jwe@octave.org>
parents: 20463
diff changeset
989 if (unwind_protect_exception || execution_error_in_cleanup)
b70cc4bd8109 begin removal of global error_state variable
John W. Eaton <jwe@octave.org>
parents: 20463
diff changeset
990 {
b70cc4bd8109 begin removal of global error_state variable
John W. Eaton <jwe@octave.org>
parents: 20463
diff changeset
991 unwind_protect_exception = false;
b70cc4bd8109 begin removal of global error_state variable
John W. Eaton <jwe@octave.org>
parents: 20463
diff changeset
992
b70cc4bd8109 begin removal of global error_state variable
John W. Eaton <jwe@octave.org>
parents: 20463
diff changeset
993 octave_throw_execution_exception ();
b70cc4bd8109 begin removal of global error_state variable
John W. Eaton <jwe@octave.org>
parents: 20463
diff changeset
994 }
8658
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
995 }
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
996
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
997 void
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
998 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
999 {
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1000 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
1001
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1002 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
1003
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1004 if (unwind_protect_code)
10066
2cd940306a06 make unwind_protect frames local
Jaroslav Hajek <highegg@gmail.com>
parents: 9494
diff changeset
1005 {
20569
b70cc4bd8109 begin removal of global error_state variable
John W. Eaton <jwe@octave.org>
parents: 20463
diff changeset
1006 unwind_protect_exception = false;
b70cc4bd8109 begin removal of global error_state variable
John W. Eaton <jwe@octave.org>
parents: 20463
diff changeset
1007
10066
2cd940306a06 make unwind_protect frames local
Jaroslav Hajek <highegg@gmail.com>
parents: 9494
diff changeset
1008 try
2cd940306a06 make unwind_protect frames local
Jaroslav Hajek <highegg@gmail.com>
parents: 9494
diff changeset
1009 {
2cd940306a06 make unwind_protect frames local
Jaroslav Hajek <highegg@gmail.com>
parents: 9494
diff changeset
1010 unwind_protect_code->accept (*this);
2cd940306a06 make unwind_protect frames local
Jaroslav Hajek <highegg@gmail.com>
parents: 9494
diff changeset
1011 }
20569
b70cc4bd8109 begin removal of global error_state variable
John W. Eaton <jwe@octave.org>
parents: 20463
diff changeset
1012 catch (const octave_execution_exception&)
10066
2cd940306a06 make unwind_protect frames local
Jaroslav Hajek <highegg@gmail.com>
parents: 9494
diff changeset
1013 {
20569
b70cc4bd8109 begin removal of global error_state variable
John W. Eaton <jwe@octave.org>
parents: 20463
diff changeset
1014 unwind_protect_exception = true;
b70cc4bd8109 begin removal of global error_state variable
John W. Eaton <jwe@octave.org>
parents: 20463
diff changeset
1015
10066
2cd940306a06 make unwind_protect frames local
Jaroslav Hajek <highegg@gmail.com>
parents: 9494
diff changeset
1016 // 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
1017 // of interrupt or out-of-memory.
2cd940306a06 make unwind_protect frames local
Jaroslav Hajek <highegg@gmail.com>
parents: 9494
diff changeset
1018 do_unwind_protect_cleanup_code (cleanup_code);
20569
b70cc4bd8109 begin removal of global error_state variable
John W. Eaton <jwe@octave.org>
parents: 20463
diff changeset
1019
20592
56fee8f84fe7 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20569
diff changeset
1020 // We want to rethrow the exception so that interrupts continue.
10066
2cd940306a06 make unwind_protect frames local
Jaroslav Hajek <highegg@gmail.com>
parents: 9494
diff changeset
1021 throw;
2cd940306a06 make unwind_protect frames local
Jaroslav Hajek <highegg@gmail.com>
parents: 9494
diff changeset
1022 }
8658
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1023
10066
2cd940306a06 make unwind_protect frames local
Jaroslav Hajek <highegg@gmail.com>
parents: 9494
diff changeset
1024 do_unwind_protect_cleanup_code (cleanup_code);
2cd940306a06 make unwind_protect frames local
Jaroslav Hajek <highegg@gmail.com>
parents: 9494
diff changeset
1025 }
8658
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
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1028 void
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1029 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
1030 {
20654
b65888ec820e dmalcom gcc jit import
Stefan Mahr <dac922@gmx.de>
parents: 20592
diff changeset
1031 #if HAVE_JIT
15582
52df2e7baabe Disable JIT when breakpoints are present
Max Brister <max@2bass.com>
parents: 15575
diff changeset
1032 if (tree_jit::execute (cmd))
15023
75d1bc2fd6d2 Compile top level while loops in JIT.
Max Brister <max@2bass.com>
parents: 14932
diff changeset
1033 return;
75d1bc2fd6d2 Compile top level while loops in JIT.
Max Brister <max@2bass.com>
parents: 14932
diff changeset
1034 #endif
75d1bc2fd6d2 Compile top level while loops in JIT.
Max Brister <max@2bass.com>
parents: 14932
diff changeset
1035
10066
2cd940306a06 make unwind_protect frames local
Jaroslav Hajek <highegg@gmail.com>
parents: 9494
diff changeset
1036 unwind_protect frame;
8658
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1037
10066
2cd940306a06 make unwind_protect frames local
Jaroslav Hajek <highegg@gmail.com>
parents: 9494
diff changeset
1038 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
1039
8669
33783e94fb16 line number fixes and other evaluator tweaks
John W. Eaton <jwe@octave.org>
parents: 8662
diff changeset
1040 in_loop_command = true;
8658
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1041
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1042 tree_expression *expr = cmd.condition ();
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1043
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1044 if (! expr)
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1045 panic_impossible ();
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1046
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1047 for (;;)
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1048 {
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1049 if (debug_mode)
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10219
diff changeset
1050 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
1051
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1052 if (expr->is_logically_true ("while"))
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10219
diff changeset
1053 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10219
diff changeset
1054 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
1055
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10219
diff changeset
1056 if (loop_body)
20592
56fee8f84fe7 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20569
diff changeset
1057 loop_body->accept (*this);
8658
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1058
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10219
diff changeset
1059 if (quit_loop_now ())
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10219
diff changeset
1060 break;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10219
diff changeset
1061 }
8658
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1062 else
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10219
diff changeset
1063 break;
8658
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1064 }
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1065 }
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1066
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1067 void
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1068 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
1069 {
18325
2a8243d8327a jit compiler: Add support for the do_until statement
LYH <lyh.kernel@gmail.com>
parents: 18270
diff changeset
1070 #if HAVE_LLVM
2a8243d8327a jit compiler: Add support for the do_until statement
LYH <lyh.kernel@gmail.com>
parents: 18270
diff changeset
1071 if (tree_jit::execute (cmd))
2a8243d8327a jit compiler: Add support for the do_until statement
LYH <lyh.kernel@gmail.com>
parents: 18270
diff changeset
1072 return;
2a8243d8327a jit compiler: Add support for the do_until statement
LYH <lyh.kernel@gmail.com>
parents: 18270
diff changeset
1073 #endif
2a8243d8327a jit compiler: Add support for the do_until statement
LYH <lyh.kernel@gmail.com>
parents: 18270
diff changeset
1074
10066
2cd940306a06 make unwind_protect frames local
Jaroslav Hajek <highegg@gmail.com>
parents: 9494
diff changeset
1075 unwind_protect frame;
8658
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1076
10066
2cd940306a06 make unwind_protect frames local
Jaroslav Hajek <highegg@gmail.com>
parents: 9494
diff changeset
1077 frame.protect_var (in_loop_command);
8658
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1078
8669
33783e94fb16 line number fixes and other evaluator tweaks
John W. Eaton <jwe@octave.org>
parents: 8662
diff changeset
1079 in_loop_command = true;
8658
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1080
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1081 tree_expression *expr = cmd.condition ();
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1082
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1083 if (! expr)
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1084 panic_impossible ();
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1085
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1086 for (;;)
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1087 {
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1088 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
1089
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1090 if (loop_body)
20592
56fee8f84fe7 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20569
diff changeset
1091 loop_body->accept (*this);
8658
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1092
8845
5a6db6bd1a02 eigs.cc (Feigs): fix handling of sigma arg
John W. Eaton <jwe@octave.org>
parents: 8679
diff changeset
1093 if (quit_loop_now ())
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10219
diff changeset
1094 break;
8845
5a6db6bd1a02 eigs.cc (Feigs): fix handling of sigma arg
John W. Eaton <jwe@octave.org>
parents: 8679
diff changeset
1095
8658
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1096 if (debug_mode)
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10219
diff changeset
1097 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
1098
8845
5a6db6bd1a02 eigs.cc (Feigs): fix handling of sigma arg
John W. Eaton <jwe@octave.org>
parents: 8679
diff changeset
1099 if (expr->is_logically_true ("do-until"))
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10219
diff changeset
1100 break;
8658
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 }
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1103
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1104 void
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1105 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
1106 {
9484
bbe033dcfe13 make dbwhere work when called at keyboard prompt
John W. Eaton <jwe@octave.org>
parents: 9418
diff changeset
1107 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
1108 }
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1109
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1110 void
9484
bbe033dcfe13 make dbwhere work when called at keyboard prompt
John W. Eaton <jwe@octave.org>
parents: 9418
diff changeset
1111 tree_evaluator::do_breakpoint (bool is_breakpoint,
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10219
diff changeset
1112 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
1113 {
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1114 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
1115
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1116 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
1117 {
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1118 break_on_this_statement = true;
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1119
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1120 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
1121
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1122 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
1123 }
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1124 else if (is_breakpoint)
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1125 {
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1126 break_on_this_statement = true;
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1127
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1128 dbstep_flag = 0;
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1129
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1130 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
1131 }
15574
d20cbfec6df7 Fix off-by-1 error when executing 'dbstep N'
Rik <rik@octave.org>
parents: 15469
diff changeset
1132 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
1133 {
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1134 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
1135 {
15574
d20cbfec6df7 Fix off-by-1 error when executing 'dbstep N'
Rik <rik@octave.org>
parents: 15469
diff changeset
1136 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
1137 {
d20cbfec6df7 Fix off-by-1 error when executing 'dbstep N'
Rik <rik@octave.org>
parents: 15469
diff changeset
1138 // 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
1139 // 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
1140 // 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
1141 // 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
1142 // return to prompt.
d20cbfec6df7 Fix off-by-1 error when executing 'dbstep N'
Rik <rik@octave.org>
parents: 15469
diff changeset
1143
d20cbfec6df7 Fix off-by-1 error when executing 'dbstep N'
Rik <rik@octave.org>
parents: 15469
diff changeset
1144 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
1145
15574
d20cbfec6df7 Fix off-by-1 error when executing 'dbstep N'
Rik <rik@octave.org>
parents: 15469
diff changeset
1146 dbstep_flag = 0;
d20cbfec6df7 Fix off-by-1 error when executing 'dbstep N'
Rik <rik@octave.org>
parents: 15469
diff changeset
1147 }
d20cbfec6df7 Fix off-by-1 error when executing 'dbstep N'
Rik <rik@octave.org>
parents: 15469
diff changeset
1148 else
d20cbfec6df7 Fix off-by-1 error when executing 'dbstep N'
Rik <rik@octave.org>
parents: 15469
diff changeset
1149 {
15575
5f37c24350db maint: Shorten long line to less than 80 characters in checkin d20cbfec6df7.
Rik <rik@octave.org>
parents: 15574
diff changeset
1150 // 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
1151
15574
d20cbfec6df7 Fix off-by-1 error when executing 'dbstep N'
Rik <rik@octave.org>
parents: 15469
diff changeset
1152 dbstep_flag--;
d20cbfec6df7 Fix off-by-1 error when executing 'dbstep N'
Rik <rik@octave.org>
parents: 15469
diff changeset
1153 }
d20cbfec6df7 Fix off-by-1 error when executing 'dbstep N'
Rik <rik@octave.org>
parents: 15469
diff changeset
1154
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10219
diff changeset
1155 }
16396
c6a13c1900fc make "dbstep out" and "dbstep" after "dbstep in" work properly
John W. Eaton <jwe@octave.org>
parents: 16354
diff changeset
1156 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
1157 && 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
1158 {
c6a13c1900fc make "dbstep out" and "dbstep" after "dbstep in" work properly
John W. Eaton <jwe@octave.org>
parents: 16354
diff changeset
1159 // 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
1160
c6a13c1900fc make "dbstep out" and "dbstep" after "dbstep in" work properly
John W. Eaton <jwe@octave.org>
parents: 16354
diff changeset
1161 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
1162
c6a13c1900fc make "dbstep out" and "dbstep" after "dbstep in" work properly
John W. Eaton <jwe@octave.org>
parents: 16354
diff changeset
1163 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
1164
c6a13c1900fc make "dbstep out" and "dbstep" after "dbstep in" work properly
John W. Eaton <jwe@octave.org>
parents: 16354
diff changeset
1165 dbstep_flag = 0;
c6a13c1900fc make "dbstep out" and "dbstep" after "dbstep in" work properly
John W. Eaton <jwe@octave.org>
parents: 16354
diff changeset
1166 }
8658
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 else if (dbstep_flag == -1)
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1169 {
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1170 // 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
1171
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1172 break_on_this_statement = true;
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1173
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1174 dbstep_flag = 0;
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1175
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1176 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
1177 }
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1178 else if (dbstep_flag == -2)
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1179 {
16396
c6a13c1900fc make "dbstep out" and "dbstep" after "dbstep in" work properly
John W. Eaton <jwe@octave.org>
parents: 16354
diff changeset
1180 // 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
1181 // 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
1182 // 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
1183 // "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
1184 // that frame.
8658
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1185
16396
c6a13c1900fc make "dbstep out" and "dbstep" after "dbstep in" work properly
John W. Eaton <jwe@octave.org>
parents: 16354
diff changeset
1186 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
1187 && octave_call_stack::current_frame () == current_frame)
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10219
diff changeset
1188 dbstep_flag = -1;
8658
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1189 }
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1190
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1191 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
1192 do_keyboard ();
10219
979fb2606c4f new tree_evaluator::do_keyoard function
Ryan Rusaw <rrusaw@gmail.com>
parents: 10210
diff changeset
1193
979fb2606c4f new tree_evaluator::do_keyoard function
Ryan Rusaw <rrusaw@gmail.com>
parents: 10210
diff changeset
1194 }
979fb2606c4f new tree_evaluator::do_keyoard function
Ryan Rusaw <rrusaw@gmail.com>
parents: 10210
diff changeset
1195
979fb2606c4f new tree_evaluator::do_keyoard function
Ryan Rusaw <rrusaw@gmail.com>
parents: 10210
diff changeset
1196 // 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
1197 // 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
1198 // 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
1199
979fb2606c4f new tree_evaluator::do_keyoard function
Ryan Rusaw <rrusaw@gmail.com>
parents: 10210
diff changeset
1200 octave_value
979fb2606c4f new tree_evaluator::do_keyoard function
Ryan Rusaw <rrusaw@gmail.com>
parents: 10210
diff changeset
1201 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
1202 {
979fb2606c4f new tree_evaluator::do_keyoard function
Ryan Rusaw <rrusaw@gmail.com>
parents: 10210
diff changeset
1203 return ::do_keyboard (args);
8658
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1204 }
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1205
10578
cb0883127251 limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents: 10315
diff changeset
1206 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
1207 "-*- texinfo -*-\n\
10840
89f4d7e294cc Grammarcheck .cc files
Rik <octave@nomad.inbox5.com>
parents: 10839
diff changeset
1208 @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
1209 @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
1210 @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
1211 Query or set the internal limit on the number of times a function may\n\
20198
075a5e2e1ba5 doc: Update more docstrings to have one sentence summary as first line.
Rik <rik@octave.org>
parents: 19895
diff changeset
1212 be called recursively.\n\
075a5e2e1ba5 doc: Update more docstrings to have one sentence summary as first line.
Rik <rik@octave.org>
parents: 19895
diff changeset
1213 \n\
075a5e2e1ba5 doc: Update more docstrings to have one sentence summary as first line.
Rik <rik@octave.org>
parents: 19895
diff changeset
1214 If the limit is exceeded, an error message is printed and control returns to\n\
075a5e2e1ba5 doc: Update more docstrings to have one sentence summary as first line.
Rik <rik@octave.org>
parents: 19895
diff changeset
1215 the top level.\n\
13951
79aa00a94e9e doc: Document "local" option for configuration variables.
Rik <octave@nomad.inbox5.com>
parents: 13245
diff changeset
1216 \n\
17281
bc924baa2c4e doc: Add new @qcode macro for code samples which are quoted.
Rik <rik@octave.org>
parents: 17249
diff changeset
1217 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
1218 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
1219 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
1220 @end deftypefn")
cb0883127251 limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents: 10315
diff changeset
1221 {
cb0883127251 limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents: 10315
diff changeset
1222 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
1223 }
cb0883127251 limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents: 10315
diff changeset
1224
12833
9f0f2c226053 codesprint: new tests for functions in pt-eval.cc
John W. Eaton <jwe@octave.org>
parents: 11586
diff changeset
1225 /*
9f0f2c226053 codesprint: new tests for functions in pt-eval.cc
John W. Eaton <jwe@octave.org>
parents: 11586
diff changeset
1226 %!test
9f0f2c226053 codesprint: new tests for functions in pt-eval.cc
John W. Eaton <jwe@octave.org>
parents: 11586
diff changeset
1227 %! 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
1228 %! 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
1229 %! 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
1230 %! 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
1231 %! 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
1232 %! 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
1233
eff4a5933e28 Update %!tests in src/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14294
diff changeset
1234 %!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
1235 */
9f0f2c226053 codesprint: new tests for functions in pt-eval.cc
John W. Eaton <jwe@octave.org>
parents: 11586
diff changeset
1236
8658
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1237 DEFUN (silent_functions, args, nargout,
17787
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
1238 "-*- texinfo -*-\n\
10840
89f4d7e294cc Grammarcheck .cc files
Rik <octave@nomad.inbox5.com>
parents: 10839
diff changeset
1239 @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
1240 @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
1241 @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
1242 Query or set the internal variable that controls whether internal\n\
20198
075a5e2e1ba5 doc: Update more docstrings to have one sentence summary as first line.
Rik <rik@octave.org>
parents: 19895
diff changeset
1243 output from a function is suppressed.\n\
075a5e2e1ba5 doc: Update more docstrings to have one sentence summary as first line.
Rik <rik@octave.org>
parents: 19895
diff changeset
1244 \n\
075a5e2e1ba5 doc: Update more docstrings to have one sentence summary as first line.
Rik <rik@octave.org>
parents: 19895
diff changeset
1245 If this option is disabled, Octave will display the results produced by\n\
075a5e2e1ba5 doc: Update more docstrings to have one sentence summary as first line.
Rik <rik@octave.org>
parents: 19895
diff changeset
1246 evaluating expressions within a function body that are not terminated with\n\
075a5e2e1ba5 doc: Update more docstrings to have one sentence summary as first line.
Rik <rik@octave.org>
parents: 19895
diff changeset
1247 a semicolon.\n\
13951
79aa00a94e9e doc: Document "local" option for configuration variables.
Rik <octave@nomad.inbox5.com>
parents: 13245
diff changeset
1248 \n\
17281
bc924baa2c4e doc: Add new @qcode macro for code samples which are quoted.
Rik <rik@octave.org>
parents: 17249
diff changeset
1249 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
1250 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
1251 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
1252 @end deftypefn")
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1253 {
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1254 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
1255 }
12833
9f0f2c226053 codesprint: new tests for functions in pt-eval.cc
John W. Eaton <jwe@octave.org>
parents: 11586
diff changeset
1256
9f0f2c226053 codesprint: new tests for functions in pt-eval.cc
John W. Eaton <jwe@octave.org>
parents: 11586
diff changeset
1257 /*
9f0f2c226053 codesprint: new tests for functions in pt-eval.cc
John W. Eaton <jwe@octave.org>
parents: 11586
diff changeset
1258 %!test
9f0f2c226053 codesprint: new tests for functions in pt-eval.cc
John W. Eaton <jwe@octave.org>
parents: 11586
diff changeset
1259 %! orig_val = silent_functions ();
9f0f2c226053 codesprint: new tests for functions in pt-eval.cc
John W. Eaton <jwe@octave.org>
parents: 11586
diff changeset
1260 %! 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
1261 %! 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
1262 %! 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
1263 %! silent_functions (orig_val);
9f0f2c226053 codesprint: new tests for functions in pt-eval.cc
John W. Eaton <jwe@octave.org>
parents: 11586
diff changeset
1264 %! 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
1265
eff4a5933e28 Update %!tests in src/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14294
diff changeset
1266 %!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
1267 */