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1 /* |
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2 |
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3 Copyright (C) 1996 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 #include "pt-cmd.h" |
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27 #include "pt-const.h" |
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28 #include "pt-exp.h" |
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29 #include "pt-fcn.h" |
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30 #include "pt-fvc.h" |
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31 #include "pt-mat.h" |
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32 #include "pt-misc.h" |
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33 #include "pt-mvr.h" |
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34 #include "pt-plot.h" |
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35 |
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36 class |
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37 tree_walker |
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38 { |
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39 public: |
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40 |
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41 virtual void |
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42 visit_argument_list (tree_argument_list&) = 0; |
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43 |
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44 virtual void |
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45 visit_binary_expression (tree_binary_expression&) = 0; |
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46 |
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47 virtual void |
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48 visit_break_command (tree_break_command&) = 0; |
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49 |
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50 virtual void |
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51 visit_builtin (tree_builtin&) = 0; |
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52 |
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53 virtual void |
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54 visit_colon_expression (tree_colon_expression&) = 0; |
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55 |
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56 virtual void |
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57 visit_continue_command (tree_continue_command&) = 0; |
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58 |
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59 virtual void |
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60 visit_for_command (tree_for_command&) = 0; |
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61 |
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62 virtual void |
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63 visit_function (tree_function&) = 0; |
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64 |
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65 virtual void |
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66 visit_global (tree_global&) = 0; |
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67 |
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68 virtual void |
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69 visit_global_command (tree_global_command&) = 0; |
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70 |
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71 virtual void |
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72 visit_global_init_list (tree_global_init_list&) = 0; |
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73 |
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74 virtual void |
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75 visit_identifier (tree_identifier&) = 0; |
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76 |
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77 virtual void |
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78 visit_if_clause (tree_if_clause&) = 0; |
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79 |
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80 virtual void |
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81 visit_if_command (tree_if_command&) = 0; |
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82 |
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83 virtual void |
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84 visit_if_command_list (tree_if_command_list&) = 0; |
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85 |
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86 virtual void |
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87 visit_index_expression (tree_index_expression&) = 0; |
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88 |
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89 virtual void |
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90 visit_indirect_ref (tree_indirect_ref&) = 0; |
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91 |
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92 virtual void |
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93 visit_matrix (tree_matrix&) = 0; |
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94 |
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95 virtual void |
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96 visit_matrix_row (tree_matrix_row&) = 0; |
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97 |
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98 virtual void |
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99 visit_multi_assignment_expression (tree_multi_assignment_expression&) = 0; |
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100 |
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101 virtual void |
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102 visit_oct_obj (tree_oct_obj&) = 0; |
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103 |
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104 virtual void |
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105 visit_constant (tree_constant&) = 0; |
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106 |
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107 virtual void |
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108 visit_parameter_list (tree_parameter_list&) = 0; |
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109 |
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110 virtual void |
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111 visit_plot_command (tree_plot_command&) = 0; |
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112 |
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113 virtual void |
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114 visit_plot_limits (plot_limits&) = 0; |
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115 |
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116 virtual void |
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117 visit_plot_range (plot_range&) = 0; |
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118 |
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119 virtual void |
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120 visit_postfix_expression (tree_postfix_expression&) = 0; |
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121 |
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122 virtual void |
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123 visit_prefix_expression (tree_prefix_expression&) = 0; |
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124 |
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125 virtual void |
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126 visit_return_command (tree_return_command&) = 0; |
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127 |
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128 virtual void |
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129 visit_return_list (tree_return_list&) = 0; |
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130 |
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131 virtual void |
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132 visit_simple_assignment_expression (tree_simple_assignment_expression&) = 0; |
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133 |
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134 virtual void |
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135 visit_statement (tree_statement&) = 0; |
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136 |
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137 virtual void |
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138 visit_statement_list (tree_statement_list&) = 0; |
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139 |
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140 virtual void |
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141 visit_subplot (subplot&) = 0; |
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142 |
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143 virtual void |
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144 visit_subplot_list (subplot_list&) = 0; |
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145 |
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146 virtual void |
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147 visit_subplot_style (subplot_style&) = 0; |
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148 |
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149 virtual void |
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150 visit_subplot_using (subplot_using&) = 0; |
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151 |
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152 virtual void |
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153 visit_try_catch_command (tree_try_catch_command&) = 0; |
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154 |
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155 virtual void |
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156 visit_unary_expression (tree_unary_expression&) = 0; |
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157 |
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158 virtual void |
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159 visit_unwind_protect_command (tree_unwind_protect_command&) = 0; |
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160 |
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161 virtual void |
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162 visit_while_command (tree_while_command&) = 0; |
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163 |
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164 protected: |
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165 |
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166 tree_walker (void) { } |
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167 |
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168 virtual ~tree_walker (void) { } |
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169 |
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170 private: |
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171 |
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172 // No copying! |
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173 |
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174 tree_walker (const tree_walker&); |
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175 |
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176 tree_walker& operator = (const tree_walker&); |
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177 }; |
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178 |
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179 #endif |
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180 |
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181 /* |
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182 ;;; Local Variables: *** |
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183 ;;; mode: C++ *** |
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184 ;;; End: *** |
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185 */ |
