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annotate libinterp/parse-tree/pt-walk.h @ 23469:2699c5974844

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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>
date Thu, 04 May 2017 15:02:46 -0400
parents 872f42fb26dc
children be7b884ac589
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1 /*
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2
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3 Copyright (C) 1996-2017 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
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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.
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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.
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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 #if ! defined (octave_pt_walk_h)
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24 #define octave_pt_walk_h 1
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25
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26 #include "octave-config.h"
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27
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28 class octave_user_script;
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29 class octave_user_function;
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30
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31 namespace octave
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32 {
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33 // No separate visitor needed
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34 // Base classes only, so no need to include them.
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35 //
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36 // class tree_array_list
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37 // class tree_unary_expression
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38 // class tree_black_hole
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39
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40 class tree_anon_fcn_handle;
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41 class tree_argument_list;
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42 class tree_binary_expression;
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43 class tree_boolean_expression;
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44 class tree_compound_binary_expression;
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45 class tree_break_command;
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46 class tree_colon_expression;
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47 class tree_continue_command;
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48 class tree_decl_command;
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49 class tree_decl_init_list;
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50 class tree_decl_elt;
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51 class tree_simple_for_command;
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52 class tree_complex_for_command;
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53 class tree_function_def;
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54 class tree_identifier;
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55 class tree_if_clause;
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56 class tree_if_command;
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57 class tree_if_command_list;
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58 class tree_switch_case;
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59 class tree_switch_case_list;
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60 class tree_switch_command;
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61 class tree_index_expression;
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62 class tree_matrix;
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63 class tree_cell;
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64 class tree_multi_assignment;
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65 class tree_no_op_command;
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66 class tree_constant;
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67 class tree_fcn_handle;
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68 class tree_funcall;
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69 class tree_parameter_list;
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70 class tree_postfix_expression;
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71 class tree_prefix_expression;
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72 class tree_return_command;
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73 class tree_return_list;
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74 class tree_simple_assignment;
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75 class tree_statement;
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76 class tree_statement_list;
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77 class tree_try_catch_command;
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78 class tree_unwind_protect_command;
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79 class tree_while_command;
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80 class tree_do_until_command;
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81
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82 class tree_classdef_attribute;
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83 class tree_classdef_attribute_list;
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84 class tree_classdef_superclass;
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85 class tree_classdef_superclass_list;
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86 class tree_classdef_property;
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87 class tree_classdef_property_list;
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88 class tree_classdef_properties_block;
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89 class tree_classdef_methods_list;
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90 class tree_classdef_methods_block;
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91 class tree_classdef_event;
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92 class tree_classdef_events_list;
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93 class tree_classdef_events_block;
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94 class tree_classdef_enum;
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95 class tree_classdef_enum_list;
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96 class tree_classdef_enum_block;
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97 class tree_classdef_body;
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98 class tree_classdef;
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99
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100 class tree_walker
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101 {
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102 protected:
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104 tree_walker (void) { }
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106 virtual ~tree_walker (void) = default;
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107
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108 public:
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110 // No copying!
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112 tree_walker (const tree_walker&) = delete;
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114 tree_walker& operator = (const tree_walker&) = delete;
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116 virtual void
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117 visit_anon_fcn_handle (tree_anon_fcn_handle&) = 0;
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118
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119 virtual void
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120 visit_argument_list (tree_argument_list&) = 0;
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121
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122 virtual void
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123 visit_binary_expression (tree_binary_expression&) = 0;
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124
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125 virtual void
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126 visit_boolean_expression (tree_boolean_expression& expr);
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127
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128 virtual void
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129 visit_compound_binary_expression (tree_compound_binary_expression& expr);
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130
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131 virtual void
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132 visit_break_command (tree_break_command&) = 0;
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134 virtual void
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135 visit_colon_expression (tree_colon_expression&) = 0;
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136
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137 virtual void
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138 visit_continue_command (tree_continue_command&) = 0;
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139
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140 virtual void
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141 visit_decl_command (tree_decl_command&) = 0;
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142
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143 virtual void
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144 visit_decl_elt (tree_decl_elt&) = 0;
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145
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146 virtual void
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147 visit_decl_init_list (tree_decl_init_list&) = 0;
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148
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149 virtual void
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150 visit_simple_for_command (tree_simple_for_command&) = 0;
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151
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152 virtual void
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153 visit_complex_for_command (tree_complex_for_command&) = 0;
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154
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155 virtual void
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156 visit_octave_user_script (octave_user_script&) = 0;
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157
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158 virtual void
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159 visit_octave_user_function (octave_user_function&) = 0;
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160
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161 virtual void
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162 visit_function_def (tree_function_def&) = 0;
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163
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164 virtual void
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165 visit_identifier (tree_identifier&) = 0;
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166
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167 virtual void
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168 visit_if_clause (tree_if_clause&) = 0;
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169
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170 virtual void
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171 visit_if_command (tree_if_command&) = 0;
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172
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173 virtual void
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174 visit_if_command_list (tree_if_command_list&) = 0;
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175
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176 virtual void
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177 visit_switch_case (tree_switch_case&) = 0;
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178
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179 virtual void
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180 visit_switch_case_list (tree_switch_case_list&) = 0;
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181
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182 virtual void
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183 visit_switch_command (tree_switch_command&) = 0;
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184
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185 virtual void
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186 visit_index_expression (tree_index_expression&) = 0;
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187
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188 virtual void
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189 visit_matrix (tree_matrix&) = 0;
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190
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191 virtual void
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192 visit_cell (tree_cell&) = 0;
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193
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194 virtual void
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195 visit_multi_assignment (tree_multi_assignment&) = 0;
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196
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197 virtual void
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198 visit_no_op_command (tree_no_op_command&) = 0;
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199
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200 virtual void
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201 visit_constant (tree_constant&) = 0;
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202
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203 virtual void
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204 visit_fcn_handle (tree_fcn_handle&) = 0;
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205
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206 virtual void
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207 visit_funcall (tree_funcall&) = 0;
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208
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209 virtual void
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210 visit_parameter_list (tree_parameter_list&) = 0;
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211
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212 virtual void
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213 visit_postfix_expression (tree_postfix_expression&) = 0;
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214
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215 virtual void
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216 visit_prefix_expression (tree_prefix_expression&) = 0;
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217
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218 virtual void
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219 visit_return_command (tree_return_command&) = 0;
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220
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221 virtual void
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222 visit_return_list (tree_return_list&) = 0;
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223
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224 virtual void
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225 visit_simple_assignment (tree_simple_assignment&) = 0;
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226
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227 virtual void
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228 visit_statement (tree_statement&) = 0;
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229
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230 virtual void
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231 visit_statement_list (tree_statement_list&) = 0;
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232
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233 virtual void
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234 visit_try_catch_command (tree_try_catch_command&) = 0;
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235
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236 virtual void
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237 visit_unwind_protect_command (tree_unwind_protect_command&) = 0;
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238
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239 virtual void
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240 visit_while_command (tree_while_command&) = 0;
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241
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242 virtual void
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243 visit_do_until_command (tree_do_until_command&) = 0;
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244
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245 virtual void
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246 visit_classdef_attribute (tree_classdef_attribute&) { } /* = 0; */
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247
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248 virtual void
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249 visit_classdef_attribute_list (tree_classdef_attribute_list&) { } // = 0;
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250
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251 virtual void
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252 visit_classdef_superclass (tree_classdef_superclass&) { } // = 0;
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253
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254 virtual void
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255 visit_classdef_superclass_list (tree_classdef_superclass_list&) { } // = 0;
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256
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257 virtual void
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258 visit_classdef_property (tree_classdef_property&) { } // = 0;
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259
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260 virtual void
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261 visit_classdef_property_list (tree_classdef_property_list&) { } // = 0;
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262
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263 virtual void
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264 visit_classdef_properties_block (tree_classdef_properties_block&) { } // = 0;
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265
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266 virtual void
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267 visit_classdef_methods_list (tree_classdef_methods_list&) { } // = 0;
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268
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269 virtual void
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270 visit_classdef_methods_block (tree_classdef_methods_block&) { } // = 0;
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271
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272 virtual void
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273 visit_classdef_event (tree_classdef_event&) { } // = 0;
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274
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275 virtual void
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276 visit_classdef_events_list (tree_classdef_events_list&) { } // = 0;
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277
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278 virtual void
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279 visit_classdef_events_block (tree_classdef_events_block&) { } // = 0;
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280
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281 virtual void
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282 visit_classdef_enum (tree_classdef_enum&) { } // = 0;
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283
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284 virtual void
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285 visit_classdef_enum_list (tree_classdef_enum_list&) { } // = 0;
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286
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287 virtual void
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288 visit_classdef_enum_block (tree_classdef_enum_block&) { } // = 0;
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289
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290 virtual void
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291 visit_classdef_body (tree_classdef_body&) { } // = 0;
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292
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293 virtual void
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294 visit_classdef (tree_classdef&) { } // = 0;
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295 };
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296 }
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297
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298 #if defined (OCTAVE_USE_DEPRECATED_FUNCTIONS)
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299
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300 OCTAVE_DEPRECATED ("use 'octave::tree_walker' instead")
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301 typedef octave::tree_walker tree_walker;
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302
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303 #endif
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304
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305 #endif