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1 /* |
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2 |
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3 Copyright (C) 1996, 1997, 2000, 2002, 2003, 2004, 2005, 2006, 2007 |
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4 John W. Eaton |
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5 |
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6 This file is part of Octave. |
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7 |
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8 Octave is free software; you can redistribute it and/or modify it |
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9 under the terms of the GNU General Public License as published by the |
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10 Free Software Foundation; either version 3 of the License, or (at your |
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11 option) any later version. |
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12 |
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13 Octave is distributed in the hope that it will be useful, but WITHOUT |
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14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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16 for more details. |
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17 |
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18 You should have received a copy of the GNU General Public License |
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19 along with Octave; see the file COPYING. If not, see |
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20 <http://www.gnu.org/licenses/>. |
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21 |
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22 */ |
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23 |
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24 #if !defined (octave_tree_checker_h) |
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25 #define octave_tree_checker_h 1 |
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26 |
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27 #include "pt-walk.h" |
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28 |
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29 // How to check the semantics of the code that the parse trees represent. |
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30 |
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31 class |
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32 tree_checker : public tree_walker |
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33 { |
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34 public: |
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35 |
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36 tree_checker (void) |
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37 : do_lvalue_check (false) { } |
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38 |
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39 ~tree_checker (void) { } |
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40 |
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41 void visit_argument_list (tree_argument_list&); |
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42 |
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43 void visit_binary_expression (tree_binary_expression&); |
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44 |
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45 void visit_break_command (tree_break_command&); |
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46 |
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47 void visit_colon_expression (tree_colon_expression&); |
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48 |
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49 void visit_continue_command(tree_continue_command&); |
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50 |
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51 void visit_decl_command (tree_decl_command&); |
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52 |
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53 void visit_decl_elt (tree_decl_elt&); |
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54 |
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55 void visit_decl_init_list (tree_decl_init_list&); |
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56 |
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57 void visit_simple_for_command (tree_simple_for_command&); |
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58 |
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59 void visit_complex_for_command (tree_complex_for_command&); |
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60 |
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61 void visit_octave_user_function (octave_user_function&); |
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62 |
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63 void visit_identifier (tree_identifier&); |
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64 |
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65 void visit_if_clause (tree_if_clause&); |
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66 |
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67 void visit_if_command (tree_if_command&); |
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68 |
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69 void visit_if_command_list (tree_if_command_list&); |
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70 |
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71 void visit_index_expression (tree_index_expression&); |
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72 |
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73 void visit_matrix (tree_matrix&); |
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74 |
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75 void visit_cell (tree_cell&); |
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76 |
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77 void visit_multi_assignment (tree_multi_assignment&); |
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78 |
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79 void visit_no_op_command (tree_no_op_command&); |
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80 |
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81 void visit_anon_fcn_handle (tree_anon_fcn_handle&); |
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82 |
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83 void visit_constant (tree_constant&); |
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84 |
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85 void visit_fcn_handle (tree_fcn_handle&); |
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86 |
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87 void visit_parameter_list (tree_parameter_list&); |
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88 |
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89 void visit_postfix_expression (tree_postfix_expression&); |
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90 |
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91 void visit_prefix_expression (tree_prefix_expression&); |
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92 |
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93 void visit_return_command (tree_return_command&); |
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94 |
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95 void visit_return_list (tree_return_list&); |
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96 |
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97 void visit_simple_assignment (tree_simple_assignment&); |
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98 |
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99 void visit_statement (tree_statement&); |
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100 |
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101 void visit_statement_list (tree_statement_list&); |
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102 |
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103 void visit_switch_case (tree_switch_case&); |
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104 |
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105 void visit_switch_case_list (tree_switch_case_list&); |
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106 |
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107 void visit_switch_command (tree_switch_command&); |
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108 |
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109 void visit_try_catch_command (tree_try_catch_command&); |
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110 |
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111 void visit_unwind_protect_command (tree_unwind_protect_command&); |
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112 |
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113 void visit_while_command (tree_while_command&); |
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114 |
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115 void visit_do_until_command (tree_do_until_command&); |
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116 |
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117 private: |
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118 |
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119 bool do_lvalue_check; |
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120 |
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121 void gripe (const std::string& msg, int line); |
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122 |
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123 // No copying! |
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124 |
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125 tree_checker (const tree_checker&); |
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126 |
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127 tree_checker& operator = (const tree_checker&); |
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128 }; |
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129 |
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130 #endif |
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131 |
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132 /* |
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133 ;;; Local Variables: *** |
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134 ;;; mode: C++ *** |
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135 ;;; End: *** |
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136 */ |
