Mercurial > octave
annotate libinterp/parse-tree/pt-walk.cc @ 28256:3241ede9806c stable
delete obsolete and unused tree_return_list class (bug #58279)
* pt-misc.h, pt-misc.cc (tree_return_list): Delete class.
* pt-walk.h, pt-walk.cc (tree_walker::visit_return_list):
Delete unused function from base tree_walker class (no
tree_return_list objects are created by the parser so this function
can never be called).
* cdef-class.cc, pt-bp.cc, pt-bp.h, pt-eval.cc, pt-eval.h, pt-jit.cc,
pt-jit.h,pt-pr-code.cc, pt-pr-code.h: Delete all visit_return_list
functions in classes derived from tree_walker.
author | John W. Eaton <jwe@octave.org> |
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date | Thu, 30 Apr 2020 23:51:30 -0400 |
parents | bd51beb6205e |
children | ac87763b1949 |
rev | line source |
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1 //////////////////////////////////////////////////////////////////////// |
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2 // |
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3 // Copyright (C) 2017-2020 The Octave Project Developers |
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4 // |
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5 // See the file COPYRIGHT.md in the top-level directory of this |
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6 // distribution or <https://octave.org/copyright/>. |
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7 // |
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8 // This file is part of Octave. |
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9 // |
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10 // Octave is free software: you can redistribute it and/or modify it |
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11 // under the terms of the GNU General Public License as published by |
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12 // the Free Software Foundation, either version 3 of the License, or |
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13 // (at your option) any later version. |
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14 // |
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15 // Octave is distributed in the hope that it will be useful, but |
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16 // WITHOUT ANY WARRANTY; without even the implied warranty of |
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17 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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18 // GNU General Public License for more details. |
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19 // |
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20 // You should have received a copy of the GNU General Public License |
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21 // along with Octave; see the file COPYING. If not, see |
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22 // <https://www.gnu.org/licenses/>. |
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23 // |
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24 //////////////////////////////////////////////////////////////////////// |
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25 |
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26 #if defined (HAVE_CONFIG_H) |
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27 # include "config.h" |
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28 #endif |
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29 |
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30 #include "pt-all.h" |
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31 |
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32 namespace octave |
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33 { |
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34 void tree_walker::visit_anon_fcn_handle (tree_anon_fcn_handle&) |
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35 { |
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36 // FIXME? |
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37 } |
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38 |
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39 void tree_walker::visit_argument_list (tree_argument_list& lst) |
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40 { |
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41 auto p = lst.begin (); |
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42 |
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43 while (p != lst.end ()) |
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44 { |
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45 tree_expression *elt = *p++; |
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46 |
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47 if (elt) |
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48 elt->accept (*this); |
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49 } |
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50 } |
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51 |
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52 void tree_walker::visit_binary_expression (tree_binary_expression& expr) |
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53 { |
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54 tree_expression *op1 = expr.lhs (); |
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55 |
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56 if (op1) |
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57 op1->accept (*this); |
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58 |
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59 tree_expression *op2 = expr.rhs (); |
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60 |
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61 if (op2) |
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62 op2->accept (*this); |
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63 } |
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64 |
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65 void tree_walker::visit_boolean_expression (tree_boolean_expression& expr) |
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66 { |
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67 visit_binary_expression (expr); |
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68 } |
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69 |
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70 void tree_walker::visit_compound_binary_expression (tree_compound_binary_expression& expr) |
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71 { |
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72 visit_binary_expression (expr); |
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73 } |
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74 |
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75 void tree_walker::visit_break_command (tree_break_command&) |
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76 { |
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77 // Nothing to do. |
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78 } |
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79 |
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80 void tree_walker::visit_colon_expression (tree_colon_expression& expr) |
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81 { |
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82 tree_expression *op1 = expr.base (); |
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83 |
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84 if (op1) |
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85 op1->accept (*this); |
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86 |
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87 tree_expression *op3 = expr.increment (); |
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88 |
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89 if (op3) |
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90 op3->accept (*this); |
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91 |
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92 tree_expression *op2 = expr.limit (); |
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93 |
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94 if (op2) |
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95 op2->accept (*this); |
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96 } |
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97 |
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98 void tree_walker::visit_continue_command (tree_continue_command&) |
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99 { |
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100 // Nothing to do. |
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101 } |
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102 |
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103 void tree_walker::visit_decl_command (tree_decl_command& cmd) |
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104 { |
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105 tree_decl_init_list *init_list = cmd.initializer_list (); |
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106 |
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107 if (init_list) |
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108 init_list->accept (*this); |
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109 } |
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110 |
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111 void tree_walker::visit_decl_elt (tree_decl_elt& cmd) |
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112 { |
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113 tree_identifier *id = cmd.ident (); |
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114 |
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115 if (id) |
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116 id->accept (*this); |
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117 |
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118 tree_expression *expr = cmd.expression (); |
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119 |
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120 if (expr) |
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121 expr->accept (*this); |
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122 } |
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123 |
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124 void tree_walker::visit_decl_init_list (tree_decl_init_list& lst) |
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125 { |
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126 // FIXME: tree_decl_elt is not derived from tree, so should it |
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127 // really have an accept method? |
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128 |
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129 for (tree_decl_elt *elt : lst) |
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130 { |
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131 if (elt) |
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132 elt->accept (*this); |
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133 } |
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134 } |
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135 |
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136 void tree_walker::visit_simple_for_command (tree_simple_for_command& cmd) |
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137 { |
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138 tree_expression *lhs = cmd.left_hand_side (); |
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139 |
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140 if (lhs) |
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141 lhs->accept (*this); |
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142 |
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143 tree_expression *expr = cmd.control_expr (); |
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144 |
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145 if (expr) |
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146 expr->accept (*this); |
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147 |
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148 tree_expression *maxproc = cmd.maxproc_expr (); |
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149 |
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150 if (maxproc) |
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151 maxproc->accept (*this); |
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152 |
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153 tree_statement_list *list = cmd.body (); |
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154 |
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155 if (list) |
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156 list->accept (*this); |
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157 } |
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158 |
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159 void tree_walker::visit_complex_for_command (tree_complex_for_command& cmd) |
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160 { |
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161 tree_argument_list *lhs = cmd.left_hand_side (); |
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162 |
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163 if (lhs) |
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164 lhs->accept (*this); |
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165 |
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166 tree_expression *expr = cmd.control_expr (); |
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167 |
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168 if (expr) |
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169 expr->accept (*this); |
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170 |
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171 tree_statement_list *list = cmd.body (); |
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172 |
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173 if (list) |
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174 list->accept (*this); |
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175 } |
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176 |
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177 void tree_walker::visit_octave_user_script (octave_user_script& fcn) |
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178 { |
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179 tree_statement_list *cmd_list = fcn.body (); |
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180 |
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181 if (cmd_list) |
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182 cmd_list->accept (*this); |
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183 } |
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184 |
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185 void tree_walker::visit_octave_user_function (octave_user_function& fcn) |
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186 { |
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187 tree_statement_list *cmd_list = fcn.body (); |
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188 |
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189 if (cmd_list) |
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190 cmd_list->accept (*this); |
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191 } |
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192 |
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193 void tree_walker::visit_function_def (tree_function_def& fdef) |
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194 { |
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195 octave_value fcn = fdef.function (); |
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196 |
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197 octave_function *f = fcn.function_value (); |
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198 |
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199 if (f) |
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200 f->accept (*this); |
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201 } |
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202 |
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203 void tree_walker::visit_identifier (tree_identifier&) |
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204 { |
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205 // Nothing to do. |
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206 } |
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207 |
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208 void tree_walker::visit_if_clause (tree_if_clause& cmd) |
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209 { |
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210 tree_expression *expr = cmd.condition (); |
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211 |
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212 if (expr) |
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213 expr->accept (*this); |
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214 |
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215 tree_statement_list *list = cmd.commands (); |
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216 |
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217 if (list) |
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218 list->accept (*this); |
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219 } |
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220 |
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221 void tree_walker::visit_if_command (tree_if_command& cmd) |
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222 { |
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223 tree_if_command_list *list = cmd.cmd_list (); |
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224 |
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225 if (list) |
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226 list->accept (*this); |
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227 } |
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228 |
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229 void tree_walker::visit_if_command_list (tree_if_command_list& lst) |
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230 { |
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231 auto p = lst.begin (); |
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232 |
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233 while (p != lst.end ()) |
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234 { |
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235 tree_if_clause *elt = *p++; |
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236 |
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237 if (elt) |
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238 elt->accept (*this); |
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239 } |
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240 } |
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241 |
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242 void tree_walker::visit_switch_case (tree_switch_case& cs) |
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243 { |
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244 tree_expression *label = cs.case_label (); |
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245 |
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246 if (label) |
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247 label->accept (*this); |
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248 |
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249 tree_statement_list *list = cs.commands (); |
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250 |
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251 if (list) |
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252 list->accept (*this); |
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253 } |
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254 |
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255 void tree_walker::visit_switch_case_list (tree_switch_case_list& lst) |
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256 { |
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257 auto p = lst.begin (); |
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258 |
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259 while (p != lst.end ()) |
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260 { |
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261 tree_switch_case *elt = *p++; |
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262 |
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263 if (elt) |
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264 elt->accept (*this); |
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265 } |
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266 } |
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267 |
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268 void tree_walker::visit_switch_command (tree_switch_command& cmd) |
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269 { |
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270 tree_expression *expr = cmd.switch_value (); |
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271 |
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272 if (expr) |
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273 expr->accept (*this); |
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274 |
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275 tree_switch_case_list *list = cmd.case_list (); |
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276 |
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277 if (list) |
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278 list->accept (*this); |
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279 } |
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280 |
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281 void tree_walker::visit_index_expression (tree_index_expression& expr) |
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282 { |
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283 tree_expression *e = expr.expression (); |
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284 |
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285 if (e) |
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286 e->accept (*this); |
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287 |
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288 std::list<tree_argument_list *> lst = expr.arg_lists (); |
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289 |
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290 auto p = lst.begin (); |
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291 |
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292 while (p != lst.end ()) |
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293 { |
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294 tree_argument_list *elt = *p++; |
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295 |
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296 if (elt) |
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297 elt->accept (*this); |
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298 } |
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299 } |
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300 |
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301 void tree_walker::visit_matrix (tree_matrix& lst) |
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302 { |
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303 auto p = lst.begin (); |
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304 |
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305 while (p != lst.end ()) |
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306 { |
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307 tree_argument_list *elt = *p++; |
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308 |
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309 if (elt) |
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310 elt->accept (*this); |
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311 } |
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312 } |
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313 |
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314 void tree_walker::visit_cell (tree_cell& lst) |
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315 { |
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316 auto p = lst.begin (); |
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317 |
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318 while (p != lst.end ()) |
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319 { |
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320 tree_argument_list *elt = *p++; |
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321 |
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322 if (elt) |
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323 elt->accept (*this); |
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324 } |
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325 } |
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326 |
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327 void tree_walker::visit_multi_assignment (tree_multi_assignment& expr) |
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328 { |
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329 tree_argument_list *lhs = expr.left_hand_side (); |
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330 |
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331 if (lhs) |
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332 lhs->accept (*this); |
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333 |
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334 tree_expression *rhs = expr.right_hand_side (); |
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335 |
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336 if (rhs) |
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337 rhs->accept (*this); |
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338 } |
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339 |
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340 void tree_walker::visit_no_op_command (tree_no_op_command&) |
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341 { |
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342 // Nothing to do. |
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343 } |
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344 |
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345 void tree_walker::visit_constant (tree_constant&) |
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346 { |
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347 // Nothing to do. |
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348 } |
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349 |
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350 void tree_walker::visit_fcn_handle (tree_fcn_handle&) |
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351 { |
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352 // Nothing to do. |
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353 } |
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354 |
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355 void tree_walker::visit_parameter_list (tree_parameter_list& lst) |
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356 { |
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357 auto p = lst.begin (); |
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358 |
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359 while (p != lst.end ()) |
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360 { |
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361 tree_decl_elt *elt = *p++; |
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362 |
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363 if (elt) |
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364 elt->accept (*this); |
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365 } |
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366 } |
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367 |
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368 void tree_walker::visit_postfix_expression (tree_postfix_expression& expr) |
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369 { |
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370 tree_expression *e = expr.operand (); |
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371 |
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372 if (e) |
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373 e->accept (*this); |
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374 } |
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375 |
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376 void tree_walker::visit_prefix_expression (tree_prefix_expression& expr) |
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377 { |
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378 tree_expression *e = expr.operand (); |
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379 |
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380 if (e) |
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381 e->accept (*this); |
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382 } |
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383 |
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384 void tree_walker::visit_return_command (tree_return_command&) |
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385 { |
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386 // Nothing to do. |
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387 } |
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388 |
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389 void tree_walker::visit_simple_assignment (tree_simple_assignment& expr) |
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390 { |
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391 tree_expression *lhs = expr.left_hand_side (); |
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392 |
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393 if (lhs) |
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394 lhs->accept (*this); |
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395 |
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396 tree_expression *rhs = expr.right_hand_side (); |
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397 |
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398 if (rhs) |
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399 rhs->accept (*this); |
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400 } |
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401 |
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402 void tree_walker::visit_statement (tree_statement& stmt) |
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403 { |
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404 tree_command *cmd = stmt.command (); |
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405 |
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406 if (cmd) |
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407 cmd->accept (*this); |
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408 else |
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409 { |
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410 tree_expression *expr = stmt.expression (); |
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411 |
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412 if (expr) |
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413 expr->accept (*this); |
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414 } |
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415 } |
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416 |
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417 void tree_walker::visit_statement_list (tree_statement_list& lst) |
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418 { |
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419 for (tree_statement *elt : lst) |
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420 { |
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421 if (elt) |
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422 elt->accept (*this); |
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423 } |
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424 } |
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425 |
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426 void tree_walker::visit_try_catch_command (tree_try_catch_command& cmd) |
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427 { |
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428 tree_statement_list *try_code = cmd.body (); |
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429 |
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430 if (try_code) |
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431 try_code->accept (*this); |
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432 |
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433 tree_identifier *expr_id = cmd.identifier (); |
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434 |
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435 if (expr_id) |
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436 expr_id->accept (*this); |
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437 |
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438 tree_statement_list *catch_code = cmd.cleanup (); |
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439 |
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440 if (catch_code) |
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441 catch_code->accept (*this); |
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442 } |
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443 |
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444 void tree_walker::visit_unwind_protect_command (tree_unwind_protect_command& cmd) |
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445 { |
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446 tree_statement_list *unwind_protect_code = cmd.body (); |
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447 |
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448 if (unwind_protect_code) |
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449 unwind_protect_code->accept (*this); |
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450 |
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451 tree_statement_list *cleanup_code = cmd.cleanup (); |
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452 |
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453 if (cleanup_code) |
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454 cleanup_code->accept (*this); |
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455 } |
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456 |
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457 void tree_walker::visit_while_command (tree_while_command& cmd) |
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458 { |
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459 tree_expression *expr = cmd.condition (); |
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460 |
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461 if (expr) |
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462 expr->accept (*this); |
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463 |
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464 tree_statement_list *list = cmd.body (); |
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465 |
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466 if (list) |
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467 list->accept (*this); |
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468 } |
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469 |
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470 void tree_walker::visit_do_until_command (tree_do_until_command& cmd) |
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471 { |
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472 tree_statement_list *list = cmd.body (); |
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473 |
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474 if (list) |
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475 list->accept (*this); |
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476 |
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477 tree_expression *expr = cmd.condition (); |
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478 |
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479 if (expr) |
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480 expr->accept (*this); |
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481 } |
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482 |
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483 void tree_walker::visit_superclass_ref (tree_superclass_ref&) |
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484 { |
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485 // FIXME? |
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486 } |
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487 |
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488 void tree_walker::visit_metaclass_query (tree_metaclass_query&) |
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489 { |
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490 // FIXME? |
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491 } |
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492 |
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493 void tree_walker::visit_classdef_attribute (tree_classdef_attribute&) |
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494 { |
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495 // FIXME? |
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496 } |
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497 |
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498 void tree_walker::visit_classdef_attribute_list (tree_classdef_attribute_list&) |
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499 { |
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500 // FIXME? |
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501 } |
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502 |
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503 void tree_walker::visit_classdef_superclass (tree_classdef_superclass&) |
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504 { |
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505 // FIXME? |
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506 } |
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507 |
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508 void tree_walker::visit_classdef_superclass_list (tree_classdef_superclass_list&) |
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509 { |
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510 // FIXME? |
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511 } |
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512 |
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513 void tree_walker::visit_classdef_property (tree_classdef_property&) |
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514 { |
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515 // FIXME? |
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516 } |
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517 |
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518 void tree_walker::visit_classdef_property_list (tree_classdef_property_list&) |
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519 { |
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520 // FIXME? |
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521 } |
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522 |
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523 void tree_walker::visit_classdef_properties_block (tree_classdef_properties_block&) |
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524 { |
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525 // FIXME? |
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526 } |
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527 |
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528 void tree_walker::visit_classdef_methods_list (tree_classdef_methods_list&) |
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529 { |
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530 // FIXME? |
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531 } |
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532 |
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533 void tree_walker::visit_classdef_methods_block (tree_classdef_methods_block&) |
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534 { |
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535 // FIXME? |
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536 } |
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537 |
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538 void tree_walker::visit_classdef_event (tree_classdef_event&) |
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539 { |
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540 // FIXME? |
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541 } |
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542 |
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543 void tree_walker::visit_classdef_events_list (tree_classdef_events_list&) |
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544 { |
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545 // FIXME? |
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546 } |
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547 |
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548 void tree_walker::visit_classdef_events_block (tree_classdef_events_block&) |
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549 { |
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550 // FIXME? |
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551 } |
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552 |
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553 void tree_walker::visit_classdef_enum (tree_classdef_enum&) |
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554 { |
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555 // FIXME? |
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556 } |
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557 |
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558 void tree_walker::visit_classdef_enum_list (tree_classdef_enum_list&) |
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559 { |
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560 // FIXME? |
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561 } |
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562 |
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563 void tree_walker::visit_classdef_enum_block (tree_classdef_enum_block&) |
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564 { |
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565 // FIXME? |
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566 } |
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567 |
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568 void tree_walker::visit_classdef_body (tree_classdef_body&) |
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569 { |
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570 // FIXME? |
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571 } |
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572 |
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573 void tree_walker::visit_classdef (tree_classdef&) |
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574 { |
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575 // FIXME? |
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576 } |
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577 } |