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1 /* |
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2 |
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3 Copyright (C) 1996, 1997 John W. Eaton |
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4 |
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5 This file is part of Octave. |
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6 |
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7 Octave is free software; you can redistribute it and/or modify it |
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8 under the terms of the GNU General Public License as published by the |
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9 Free Software Foundation; either version 2, or (at your option) any |
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10 later version. |
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11 |
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12 Octave is distributed in the hope that it will be useful, but WITHOUT |
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13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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15 for more details. |
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16 |
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17 You should have received a copy of the GNU General Public License |
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18 along with Octave; see the file COPYING. If not, write to the Free |
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19 Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
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20 |
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21 */ |
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22 |
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23 #if !defined (octave_tree_walker_h) |
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24 #define octave_tree_walker_h 1 |
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25 |
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26 class tree_argument_list; |
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27 class tree_binary_expression; |
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28 class tree_break_command; |
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29 class tree_colon_expression; |
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30 class tree_continue_command; |
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31 class tree_decl_command; |
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32 class tree_decl_elt; |
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33 class tree_decl_init_list; |
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34 class tree_simple_for_command; |
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35 class tree_complex_for_command; |
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36 class octave_user_function; |
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37 class tree_identifier; |
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38 class tree_if_clause; |
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39 class tree_if_command; |
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40 class tree_if_command_list; |
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41 class tree_switch_case; |
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42 class tree_switch_case_list; |
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43 class tree_switch_command; |
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44 class tree_index_expression; |
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45 class tree_indirect_ref; |
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46 class tree_matrix; |
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47 class tree_cell; |
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48 class tree_multi_assignment; |
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49 class tree_no_op_command; |
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50 class tree_constant; |
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51 class tree_parameter_list; |
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52 class tree_plot_command; |
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53 class plot_limits; |
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54 class plot_range; |
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55 class tree_postfix_expression; |
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56 class tree_prefix_expression; |
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57 class tree_return_command; |
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58 class tree_return_list; |
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59 class tree_simple_assignment; |
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60 class tree_statement; |
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61 class tree_statement_list; |
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62 class subplot; |
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63 class subplot_axes; |
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64 class subplot_list; |
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65 class subplot_style; |
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66 class subplot_using; |
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67 class tree_try_catch_command; |
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68 class tree_unwind_protect_command; |
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69 class tree_while_command; |
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70 class tree_do_until_command; |
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71 class tree_do_while_command; |
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72 |
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73 class |
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74 tree_walker |
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75 { |
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76 public: |
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77 |
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78 virtual void |
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79 visit_argument_list (tree_argument_list&) = 0; |
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80 |
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81 virtual void |
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82 visit_binary_expression (tree_binary_expression&) = 0; |
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83 |
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84 virtual void |
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85 visit_break_command (tree_break_command&) = 0; |
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86 |
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87 virtual void |
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88 visit_colon_expression (tree_colon_expression&) = 0; |
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89 |
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90 virtual void |
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91 visit_continue_command (tree_continue_command&) = 0; |
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92 |
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93 virtual void |
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94 visit_decl_command (tree_decl_command&) = 0; |
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95 |
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96 virtual void |
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97 visit_decl_elt (tree_decl_elt&) = 0; |
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98 |
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99 virtual void |
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100 visit_decl_init_list (tree_decl_init_list&) = 0; |
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101 |
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102 virtual void |
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103 visit_simple_for_command (tree_simple_for_command&) = 0; |
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104 |
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105 virtual void |
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106 visit_complex_for_command (tree_complex_for_command&) = 0; |
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107 |
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108 virtual void |
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109 visit_octave_user_function (octave_user_function&) = 0; |
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110 |
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111 virtual void |
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112 visit_identifier (tree_identifier&) = 0; |
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113 |
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114 virtual void |
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115 visit_if_clause (tree_if_clause&) = 0; |
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116 |
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117 virtual void |
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118 visit_if_command (tree_if_command&) = 0; |
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119 |
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120 virtual void |
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121 visit_if_command_list (tree_if_command_list&) = 0; |
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122 |
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123 virtual void |
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124 visit_switch_case (tree_switch_case&) = 0; |
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125 |
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126 virtual void |
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127 visit_switch_case_list (tree_switch_case_list&) = 0; |
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128 |
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129 virtual void |
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130 visit_switch_command (tree_switch_command&) = 0; |
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131 |
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132 virtual void |
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133 visit_index_expression (tree_index_expression&) = 0; |
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134 |
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135 virtual void |
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136 visit_indirect_ref (tree_indirect_ref&) = 0; |
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137 |
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138 virtual void |
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139 visit_matrix (tree_matrix&) = 0; |
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140 |
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141 virtual void |
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142 visit_cell (tree_cell&) = 0; |
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143 |
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144 virtual void |
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145 visit_multi_assignment (tree_multi_assignment&) = 0; |
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146 |
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147 virtual void |
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148 visit_no_op_command (tree_no_op_command&) = 0; |
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149 |
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150 virtual void |
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151 visit_constant (tree_constant&) = 0; |
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152 |
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153 virtual void |
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154 visit_parameter_list (tree_parameter_list&) = 0; |
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155 |
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156 virtual void |
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157 visit_plot_command (tree_plot_command&) = 0; |
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158 |
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159 virtual void |
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160 visit_plot_limits (plot_limits&) = 0; |
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161 |
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162 virtual void |
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163 visit_plot_range (plot_range&) = 0; |
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164 |
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165 virtual void |
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166 visit_postfix_expression (tree_postfix_expression&) = 0; |
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167 |
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168 virtual void |
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169 visit_prefix_expression (tree_prefix_expression&) = 0; |
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170 |
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171 virtual void |
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172 visit_return_command (tree_return_command&) = 0; |
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173 |
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174 virtual void |
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175 visit_return_list (tree_return_list&) = 0; |
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176 |
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177 virtual void |
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178 visit_simple_assignment (tree_simple_assignment&) = 0; |
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179 |
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180 virtual void |
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181 visit_statement (tree_statement&) = 0; |
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182 |
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183 virtual void |
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184 visit_statement_list (tree_statement_list&) = 0; |
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185 |
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186 virtual void |
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187 visit_subplot (subplot&) = 0; |
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188 |
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189 virtual void |
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190 visit_subplot_axes (subplot_axes&) = 0; |
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191 |
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192 virtual void |
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193 visit_subplot_list (subplot_list&) = 0; |
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194 |
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195 virtual void |
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196 visit_subplot_style (subplot_style&) = 0; |
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197 |
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198 virtual void |
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199 visit_subplot_using (subplot_using&) = 0; |
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200 |
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201 virtual void |
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202 visit_try_catch_command (tree_try_catch_command&) = 0; |
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203 |
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204 virtual void |
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205 visit_unwind_protect_command (tree_unwind_protect_command&) = 0; |
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206 |
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207 virtual void |
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208 visit_while_command (tree_while_command&) = 0; |
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209 |
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210 virtual void |
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211 visit_do_while_command (tree_do_while_command&) = 0; |
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212 |
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213 virtual void |
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214 visit_do_until_command (tree_do_until_command&) = 0; |
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215 |
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216 protected: |
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217 |
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218 tree_walker (void) { } |
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219 |
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220 virtual ~tree_walker (void) { } |
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221 |
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222 private: |
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223 |
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224 // No copying! |
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225 |
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226 tree_walker (const tree_walker&); |
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227 |
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228 tree_walker& operator = (const tree_walker&); |
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229 }; |
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230 |
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231 #endif |
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232 |
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233 /* |
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234 ;;; Local Variables: *** |
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235 ;;; mode: C++ *** |
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236 ;;; End: *** |
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237 */ |
