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1 // token.cc -*- C++ -*- |
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2 /* |
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3 |
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4 Copyright (C) 1996 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 2, or (at your option) any |
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11 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, write to the Free |
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20 Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
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21 |
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22 */ |
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23 |
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24 #if defined (__GNUG__) |
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25 #pragma implementation |
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26 #endif |
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27 |
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28 #ifdef HAVE_CONFIG_H |
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29 #include <config.h> |
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30 #endif |
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31 |
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32 #include <cassert> |
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33 |
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34 #include "error.h" |
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35 #include "symtab.h" |
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36 #include "token.h" |
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37 #include "utils.h" |
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38 |
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39 token::token (int l, int c) |
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40 { |
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41 line_num = l; |
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42 column_num = c; |
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43 type_tag = generic_token; |
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44 } |
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45 |
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46 token::token (const string& s, int l, int c) |
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47 { |
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48 line_num = l; |
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49 column_num = c; |
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50 type_tag = string_token; |
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51 str = new string (s); |
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52 } |
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53 |
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54 token::token (double d, const string& /* s */, int l, int c) |
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55 { |
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56 line_num = l; |
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57 column_num = c; |
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58 type_tag = double_token; |
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59 num = d; |
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60 } |
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61 |
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62 token::token (end_tok_type t, int l, int c) |
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63 { |
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64 line_num = l; |
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65 column_num = c; |
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66 type_tag = ettype_token; |
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67 et = t; |
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68 } |
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69 |
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70 token::token (plot_tok_type t, int l, int c) |
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71 { |
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72 line_num = l; |
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73 column_num = c; |
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74 type_tag = pttype_token; |
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75 pt = t; |
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76 } |
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77 |
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78 token::token (symbol_record *s, int l, int c) |
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79 { |
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80 line_num = l; |
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81 column_num = c; |
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82 type_tag = sym_rec_token; |
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83 sr = s; |
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84 } |
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85 |
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86 token::~token (void) |
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87 { |
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88 if (type_tag == string_token) |
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89 delete str; |
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90 } |
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91 |
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92 string |
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93 token::text (void) |
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94 { |
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95 assert (type_tag == string_token); |
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96 return *str; |
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97 } |
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98 |
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99 double |
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100 token::number (void) |
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101 { |
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102 assert (type_tag == double_token); |
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103 return num; |
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104 } |
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105 |
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106 token::end_tok_type |
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107 token::ettype (void) |
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108 { |
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109 assert (type_tag == ettype_token); |
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110 return et; |
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111 } |
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112 |
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113 token::plot_tok_type |
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114 token::pttype (void) |
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115 { |
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116 assert (type_tag == pttype_token); |
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117 return pt; |
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118 } |
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119 |
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120 symbol_record * |
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121 token::sym_rec (void) |
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122 { |
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123 assert (type_tag == sym_rec_token); |
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124 return sr; |
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125 } |
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126 |
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127 string |
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128 token::text_rep (void) |
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129 { |
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130 return orig_text; |
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131 } |
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132 |
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133 token::token (const token& /* tok */) |
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134 { |
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135 panic_impossible (); |
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136 } |
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137 |
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138 token& |
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139 token::operator = (const token& /* tok */) |
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140 { |
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141 panic_impossible (); |
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142 } |
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143 |
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144 /* |
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145 ;;; Local Variables: *** |
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146 ;;; mode: C++ *** |
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147 ;;; page-delimiter: "^/\\*" *** |
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148 ;;; End: *** |
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149 */ |
