annotate src/token.h @ 14138:72c96de7a403 stable

maint: update copyright notices for 2012
author John W. Eaton <jwe@octave.org>
date Mon, 02 Jan 2012 14:25:41 -0500
parents 7861a5fd3479
children 56b8eb7c9c04
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1 /*
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2
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3 Copyright (C) 1993-2012 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 3 of the License, or (at your
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10 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 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, 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_token_h)
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24 #define octave_token_h 1
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25
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26 #include <string>
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27
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28 class
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29 token
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30 {
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31 public:
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32
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33 enum token_type
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34 {
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35 generic_token,
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36 string_token,
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37 double_token,
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38 ettype_token,
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39 sym_rec_token,
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40 scls_rec_token,
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41 meta_rec_token
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42 };
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43
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44 enum end_tok_type
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45 {
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46 simple_end,
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47 classdef_end,
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48 enumeration_end,
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49 events_end,
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50 for_end,
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51 function_end,
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52 if_end,
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53 methods_end,
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54 parfor_end,
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55 properties_end,
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56 switch_end,
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57 while_end,
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58 try_catch_end,
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59 unwind_protect_end
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60 };
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61
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62 token (int l = -1, int c = -1);
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63 token (const std::string& s, int l = -1, int c = -1);
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64 token (double d, const std::string& s = std::string (),
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65 int l = -1, int c = -1);
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66 token (end_tok_type t, int l = -1, int c = -1);
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67 token (symbol_table::symbol_record *s, int l = -1, int c = -1);
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68 token (symbol_table::symbol_record *cls,
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69 symbol_table::symbol_record *pkg, int l = -1, int c = -1);
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70 token (symbol_table::symbol_record *mth,
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71 symbol_table::symbol_record *cls,
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72 symbol_table::symbol_record *pkg, int l = -1, int c = -1);
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73
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74 ~token (void);
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75
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76 int line (void) { return line_num; }
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77 int column (void) { return column_num; }
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78
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79 std::string text (void);
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80 double number (void);
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81 end_tok_type ettype (void);
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82 symbol_table::symbol_record *sym_rec (void);
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83
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84 symbol_table::symbol_record *method_rec (void);
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85 symbol_table::symbol_record *class_rec (void);
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86 symbol_table::symbol_record *package_rec (void);
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87
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88 symbol_table::symbol_record *meta_class_rec (void);
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89 symbol_table::symbol_record *meta_package_rec (void);
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90
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91 std::string text_rep (void);
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92
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93 private:
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94
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95 // No copying!
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96
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97 token (const token& tok);
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98
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99 token& operator = (const token& tok);
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100
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101 int line_num;
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102 int column_num;
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103 token_type type_tag;
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104 union
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105 {
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106 std::string *str;
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107 double num;
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108 end_tok_type et;
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109 symbol_table::symbol_record *sr;
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110 struct
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111 {
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112 symbol_table::symbol_record *mr;
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113 symbol_table::symbol_record *cr;
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114 symbol_table::symbol_record *pr;
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115 } sc;
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116 struct
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117 {
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118 symbol_table::symbol_record *cr;
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119 symbol_table::symbol_record *pr;
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120 } mc;
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121 };
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122 std::string orig_text;
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123 };
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124
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125 #endif