Mercurial > octave
annotate libinterp/parse-tree/pt-bp.cc @ 23469:2699c5974844
handle global and persistent in tree_decl_command, not as separate classes
* pt-decl.h, pt-decl.cc (tree_decl_command::mark_as_global,
tree_decl_command::mark_as_persistent, tree_decl_command::dup):
New functions.
(tree_global_command, tree_persistent_command): Delete classes.
(tree_decl_elt::decl_type): New enum. Store command type in each
initializer list element.
(tree_decl_elt::mark_as_global, tree_decl_elt::is_global,
tree_decl_elt::mark_as_persistent, tree_decl_elt::is_persistent):
New functions.
(tree_decl_init_list::mark_as_global, tree_decl_init_list::is_global,
tree_decl_init_list::mark_as_persistent, tree_decl_init_list::is_persistent):
New functions.
* pt-walk.h (tree_walker::visit_decl_command): New function.
(tree_walker::visit_global_command,
tree_walker::visit_persistent_command): Delete.
Update all derived classes.
* oct-parse.in.yy (base_parser::make_decl_command): Tag initialization
lists as global or persistent here.
* pt-eval.cc (tree_evaluator::visit_decl_command): New function.
Visit initialization list instead of looping here.
(tree_evaluator::visit_decl_init_list): Loop and visit elements here.
(tree_evaluator::visit_decl_elt): Handle evaluation of elements here.
author | John W. Eaton <jwe@octave.org> |
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date | Thu, 04 May 2017 15:02:46 -0400 |
parents | c763214a8260 |
children | 194eb4bd202b |
rev | line source |
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3771 | 1 /* |
2 | |
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3 Copyright (C) 2001-2017 Ben Sapp |
3771 | 4 |
5 This file is part of Octave. | |
6 | |
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 |
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9 the Free Software Foundation; either version 3 of the License, or |
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10 (at your option) any later version. |
3771 | 11 |
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12 Octave is distributed in the hope that it will be useful, but |
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13 WITHOUT ANY WARRANTY; without even the implied warranty of |
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14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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15 GNU General Public License for more details. |
3771 | 16 |
17 You should have received a copy of the GNU General Public License | |
7016 | 18 along with Octave; see the file COPYING. If not, see |
19 <http://www.gnu.org/licenses/>. | |
3771 | 20 |
21 */ | |
22 | |
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23 #if defined (HAVE_CONFIG_H) |
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24 # include "config.h" |
3771 | 25 #endif |
26 | |
27 #include "ov-usr-fcn.h" | |
28 #include "pager.h" | |
29 #include "pt-all.h" | |
30 | |
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31 namespace octave |
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32 { |
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33 // TRUE means SIGINT should put us in the debugger at the next |
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34 // available breakpoint. |
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35 bool octave_debug_on_interrupt_state = false; |
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36 |
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37 void |
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38 tree_breakpoint::visit_while_command (tree_while_command& cmd) |
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39 { |
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40 if (cmd.line () >= line) |
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41 take_action (cmd); |
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42 |
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43 if (! found) |
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44 { |
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45 tree_statement_list *lst = cmd.body (); |
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46 |
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47 if (lst) |
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48 lst->accept (*this); |
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49 } |
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50 } |
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51 |
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52 void |
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53 tree_breakpoint::visit_do_until_command (tree_do_until_command& cmd) |
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54 { |
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55 if (! found) |
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56 { |
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57 tree_statement_list *lst = cmd.body (); |
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58 |
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59 if (lst) |
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60 lst->accept (*this); |
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61 |
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62 if (! found) |
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63 { |
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64 if (cmd.line () >= line) |
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65 take_action (cmd); |
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66 } |
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67 } |
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68 } |
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69 |
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70 void |
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71 tree_breakpoint::visit_argument_list (tree_argument_list&) |
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72 { |
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73 panic_impossible (); |
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74 } |
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75 |
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76 void |
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77 tree_breakpoint::visit_binary_expression (tree_binary_expression&) |
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78 { |
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79 panic_impossible (); |
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80 } |
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81 |
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82 void |
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83 tree_breakpoint::visit_break_command (tree_break_command& cmd) |
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84 { |
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85 if (cmd.line () >= line) |
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86 take_action (cmd); |
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87 } |
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88 |
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89 void |
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90 tree_breakpoint::visit_colon_expression (tree_colon_expression&) |
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91 { |
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92 panic_impossible (); |
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93 } |
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94 |
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95 void |
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96 tree_breakpoint::visit_continue_command (tree_continue_command& cmd) |
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97 { |
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98 if (cmd.line () >= line) |
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99 take_action (cmd); |
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100 } |
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101 |
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102 void |
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103 tree_breakpoint::visit_decl_command (tree_decl_command& cmd) |
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104 { |
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105 if (cmd.line () >= line) |
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106 take_action (cmd); |
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107 } |
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108 |
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109 void |
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110 tree_breakpoint::visit_decl_init_list (tree_decl_init_list&) |
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111 { |
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112 panic_impossible (); |
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113 } |
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114 |
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115 void |
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116 tree_breakpoint::visit_decl_elt (tree_decl_elt&) |
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117 { |
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118 panic_impossible (); |
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119 } |
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120 |
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121 void |
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122 tree_breakpoint::visit_simple_for_command (tree_simple_for_command& cmd) |
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123 { |
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124 if (cmd.line () >= line) |
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125 take_action (cmd); |
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126 |
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127 if (! found) |
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128 { |
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129 tree_statement_list *lst = cmd.body (); |
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130 |
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131 if (lst) |
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132 lst->accept (*this); |
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133 } |
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134 } |
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135 |
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136 void |
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137 tree_breakpoint::visit_complex_for_command (tree_complex_for_command& cmd) |
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138 { |
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139 if (cmd.line () >= line) |
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140 take_action (cmd); |
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141 |
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142 if (! found) |
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143 { |
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144 tree_statement_list *lst = cmd.body (); |
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145 |
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146 if (lst) |
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147 lst->accept (*this); |
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148 } |
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149 } |
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150 |
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151 void |
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152 tree_breakpoint::visit_octave_user_script (octave_user_script& fcn) |
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153 { |
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154 tree_statement_list *cmd_list = fcn.body (); |
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155 |
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156 if (cmd_list) |
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157 cmd_list->accept (*this); |
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158 } |
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159 |
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160 void |
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161 tree_breakpoint::visit_octave_user_function (octave_user_function& fcn) |
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162 { |
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163 tree_statement_list *cmd_list = fcn.body (); |
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164 |
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165 if (cmd_list) |
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166 cmd_list->accept (*this); |
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167 } |
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168 |
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169 void |
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170 tree_breakpoint::visit_octave_user_function_header (octave_user_function&) |
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171 { |
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172 panic_impossible (); |
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173 } |
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174 |
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175 void |
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176 tree_breakpoint::visit_octave_user_function_trailer (octave_user_function&) |
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177 { |
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178 panic_impossible (); |
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179 } |
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180 |
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181 void |
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182 tree_breakpoint::visit_function_def (tree_function_def& fdef) |
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183 { |
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184 octave_value fcn = fdef.function (); |
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185 |
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186 octave_function *f = fcn.function_value (); |
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187 |
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188 if (f) |
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189 f->accept (*this); |
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190 } |
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191 |
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192 void |
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193 tree_breakpoint::visit_identifier (tree_identifier&) |
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194 { |
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195 panic_impossible (); |
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196 } |
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197 |
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198 void |
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199 tree_breakpoint::visit_if_clause (tree_if_clause&) |
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200 { |
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201 panic_impossible (); |
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202 } |
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203 |
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204 void |
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205 tree_breakpoint::visit_if_command (tree_if_command& cmd) |
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206 { |
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207 tree_if_command_list *lst = cmd.cmd_list (); |
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208 |
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209 if (lst) |
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210 lst->accept (*this); |
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211 } |
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212 |
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213 void |
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214 tree_breakpoint::visit_if_command_list (tree_if_command_list& lst) |
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215 { |
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216 for (tree_if_clause *t : lst) |
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217 { |
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218 if (t->line () >= line) |
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219 take_action (*t); |
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220 |
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221 if (! found) |
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222 { |
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223 tree_statement_list *stmt_lst = t->commands (); |
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224 |
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225 if (stmt_lst) |
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226 stmt_lst->accept (*this); |
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227 } |
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228 |
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229 if (found) |
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230 break; |
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231 } |
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232 } |
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233 |
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234 void |
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235 tree_breakpoint::visit_index_expression (tree_index_expression&) |
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236 { |
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237 panic_impossible (); |
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238 } |
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239 |
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240 void |
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241 tree_breakpoint::visit_matrix (tree_matrix&) |
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242 { |
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243 panic_impossible (); |
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244 } |
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245 |
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246 void |
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247 tree_breakpoint::visit_cell (tree_cell&) |
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248 { |
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249 panic_impossible (); |
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250 } |
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251 |
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252 void |
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253 tree_breakpoint::visit_multi_assignment (tree_multi_assignment&) |
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254 { |
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255 panic_impossible (); |
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256 } |
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257 |
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258 void |
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259 tree_breakpoint::visit_no_op_command (tree_no_op_command& cmd) |
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260 { |
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261 if (cmd.is_end_of_fcn_or_script () && cmd.line () >= line) |
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262 take_action (cmd); |
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263 } |
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264 |
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265 void |
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266 tree_breakpoint::visit_anon_fcn_handle (tree_anon_fcn_handle&) |
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267 { |
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268 panic_impossible (); |
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269 } |
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270 |
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271 void |
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272 tree_breakpoint::visit_constant (tree_constant&) |
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273 { |
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274 panic_impossible (); |
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275 } |
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276 |
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277 void |
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278 tree_breakpoint::visit_fcn_handle (tree_fcn_handle&) |
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279 { |
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280 panic_impossible (); |
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281 } |
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282 |
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283 void |
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284 tree_breakpoint::visit_funcall (tree_funcall&) |
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285 { |
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286 panic_impossible (); |
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287 } |
15035 | 288 |
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289 void |
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290 tree_breakpoint::visit_parameter_list (tree_parameter_list&) |
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291 { |
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292 panic_impossible (); |
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293 } |
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294 |
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295 void |
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296 tree_breakpoint::visit_postfix_expression (tree_postfix_expression&) |
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297 { |
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298 panic_impossible (); |
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299 } |
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300 |
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301 void |
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302 tree_breakpoint::visit_prefix_expression (tree_prefix_expression&) |
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303 { |
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304 panic_impossible (); |
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305 } |
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306 |
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307 void |
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308 tree_breakpoint::visit_return_command (tree_return_command& cmd) |
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309 { |
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310 if (cmd.line () >= line) |
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311 take_action (cmd); |
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312 } |
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313 |
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314 void |
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315 tree_breakpoint::visit_return_list (tree_return_list&) |
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316 { |
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317 panic_impossible (); |
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318 } |
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319 |
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320 void |
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321 tree_breakpoint::visit_simple_assignment (tree_simple_assignment&) |
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322 { |
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323 panic_impossible (); |
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324 } |
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325 |
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326 void |
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327 tree_breakpoint::visit_statement (tree_statement& stmt) |
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328 { |
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329 if (stmt.is_command ()) |
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330 { |
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331 tree_command *cmd = stmt.command (); |
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332 |
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333 cmd->accept (*this); |
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334 } |
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335 else |
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336 { |
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337 if (stmt.line () >= line) |
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338 take_action (stmt); |
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339 } |
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340 } |
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341 |
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342 // Called by |
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343 // tree_statement_list::set_breakpoint (int line, std::string& condition) |
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344 // with <lst> consisting of a user function in which to set a breakpoint. |
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345 void |
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346 tree_breakpoint::visit_statement_list (tree_statement_list& lst) |
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347 { |
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348 for (tree_statement *elt : lst) |
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349 { |
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350 if (elt) |
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351 { |
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352 elt->accept (*this); |
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353 |
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354 if (found) |
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355 break; |
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356 } |
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357 } |
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358 } |
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359 |
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360 void |
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361 tree_breakpoint::visit_switch_case (tree_switch_case&) |
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362 { |
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363 panic_impossible (); |
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364 } |
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365 |
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366 void |
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367 tree_breakpoint::visit_switch_case_list (tree_switch_case_list& lst) |
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368 { |
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369 for (tree_switch_case *t : lst) |
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370 { |
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371 if (t->line () >= line) |
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372 take_action (*t); |
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373 |
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374 if (! found) |
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375 { |
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376 tree_statement_list *stmt_lst = t->commands (); |
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377 |
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378 if (stmt_lst) |
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379 stmt_lst->accept (*this); |
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380 } |
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381 |
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382 if (found) |
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383 break; |
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384 } |
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385 } |
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386 |
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387 void |
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388 tree_breakpoint::visit_switch_command (tree_switch_command& cmd) |
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389 { |
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390 if (cmd.line () >= line) |
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391 take_action (cmd); |
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392 |
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393 if (! found) |
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394 { |
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395 tree_switch_case_list *lst = cmd.case_list (); |
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396 |
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397 if (lst) |
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398 lst->accept (*this); |
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399 } |
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400 } |
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401 |
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402 void |
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403 tree_breakpoint::visit_try_catch_command (tree_try_catch_command& cmd) |
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404 { |
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405 tree_statement_list *try_code = cmd.body (); |
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406 |
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407 if (try_code) |
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408 try_code->accept (*this); |
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409 |
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410 if (! found) |
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411 { |
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412 tree_statement_list *catch_code = cmd.cleanup (); |
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413 |
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414 if (catch_code) |
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415 catch_code->accept (*this); |
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416 } |
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417 } |
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418 |
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419 void |
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420 tree_breakpoint::visit_unwind_protect_command (tree_unwind_protect_command& cmd) |
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421 { |
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422 tree_statement_list *body = cmd.body (); |
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423 |
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424 if (body) |
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425 body->accept (*this); |
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426 |
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427 if (! found) |
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428 { |
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429 tree_statement_list *cleanup = cmd.cleanup (); |
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430 |
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431 if (cleanup) |
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432 cleanup->accept (*this); |
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433 } |
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434 } |
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435 |
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436 void |
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437 tree_breakpoint::take_action (tree& tr) |
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438 { |
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439 if (act == set) |
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440 { |
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441 tr.set_breakpoint (condition); |
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442 line = tr.line (); |
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443 found = true; |
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444 } |
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445 else if (act == clear) |
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446 { |
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447 if (tr.is_breakpoint ()) |
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448 { |
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449 tr.delete_breakpoint (); |
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450 found = true; |
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451 } |
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452 } |
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453 else if (act == list) |
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454 { |
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455 if (tr.is_breakpoint ()) |
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456 { |
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457 bp_list.append (octave_value (tr.line ())); |
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458 bp_cond_list.append (octave_value (tr.bp_cond ())); |
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459 } |
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460 } |
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461 else |
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462 panic_impossible (); |
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463 } |
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464 |
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465 void |
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466 tree_breakpoint::take_action (tree_statement& stmt) |
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467 { |
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468 int lineno = stmt.line (); |
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469 |
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470 if (act == set) |
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471 { |
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472 stmt.set_breakpoint (condition); |
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473 line = lineno; |
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474 found = true; |
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475 } |
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476 else if (act == clear) |
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477 { |
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478 if (stmt.is_breakpoint ()) |
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479 { |
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480 stmt.delete_breakpoint (); |
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481 found = true; |
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482 } |
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|
483 } |
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484 else if (act == list) |
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|
485 { |
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486 if (stmt.is_breakpoint ()) |
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|
487 { |
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488 bp_list.append (octave_value (lineno)); |
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489 bp_cond_list.append (octave_value (stmt.bp_cond ())); |
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490 } |
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changeset
|
491 } |
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|
492 else |
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|
493 panic_impossible (); |
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494 } |
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495 } |