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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) 1992, 1993, 1994, 1995 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, 675 Mass Ave, Cambridge, MA 02139, USA. |
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21 |
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22 */ |
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23 |
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24 #ifdef HAVE_CONFIG_H |
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25 #include <config.h> |
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26 #endif |
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27 |
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28 #include <assert.h> |
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29 |
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30 #include "error.h" |
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31 #include "token.h" |
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32 #include "utils.h" |
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33 #include "symtab.h" |
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34 |
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35 token::token (int l, int c) |
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36 { |
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37 line_num = l; |
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38 column_num = c; |
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39 type_tag = generic_token; |
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40 orig_text = 0; |
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41 } |
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42 |
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43 token::token (char *s, int l, int c) |
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44 { |
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45 line_num = l; |
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46 column_num = c; |
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47 type_tag = string_token; |
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48 str = strsave (s); |
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49 orig_text = 0; |
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50 } |
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51 |
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52 token::token (double d, char *s, int l, int c) |
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53 { |
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54 line_num = l; |
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55 column_num = c; |
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56 type_tag = double_token; |
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57 num = d; |
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58 orig_text = 0; // strsave (s); |
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59 } |
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60 |
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61 token::token (end_tok_type t, int l, int c) |
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62 { |
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63 line_num = l; |
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64 column_num = c; |
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65 type_tag = ettype_token; |
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66 et = t; |
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67 orig_text = 0; |
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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 orig_text = 0; |
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77 } |
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78 |
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79 token::token (symbol_record *s, int l, int c) |
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80 { |
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81 line_num = l; |
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82 column_num = c; |
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83 type_tag = sym_rec_token; |
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84 sr = s; |
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85 orig_text = 0; |
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86 } |
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87 |
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88 token::~token (void) |
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89 { |
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90 if (type_tag == string_token) |
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91 delete [] str; |
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92 delete [] orig_text; |
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93 } |
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94 |
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95 int |
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96 token::line (void) |
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97 { |
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98 return line_num; |
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99 } |
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100 |
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101 int |
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102 token::column (void) |
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103 { |
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104 return column_num; |
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105 } |
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106 |
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107 char * |
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108 token::string (void) |
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109 { |
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110 assert (type_tag == string_token); |
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111 return str; |
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112 } |
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113 |
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114 double |
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115 token::number (void) |
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116 { |
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117 assert (type_tag == double_token); |
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118 return num; |
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119 } |
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120 |
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121 token::end_tok_type |
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122 token::ettype (void) |
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123 { |
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124 assert (type_tag == ettype_token); |
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125 return et; |
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126 } |
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127 |
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128 token::plot_tok_type |
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129 token::pttype (void) |
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130 { |
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131 assert (type_tag == pttype_token); |
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132 return pt; |
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133 } |
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134 |
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135 symbol_record * |
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136 token::sym_rec (void) |
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137 { |
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138 assert (type_tag == sym_rec_token); |
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139 return sr; |
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140 } |
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141 |
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142 char * |
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143 token::text_rep (void) |
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144 { |
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145 return orig_text; |
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146 } |
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147 |
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148 token::token (const token& tok) |
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149 { |
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150 panic_impossible (); |
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151 } |
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152 |
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153 token& |
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154 operator = (const token& tok) |
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155 { |
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156 panic_impossible (); |
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157 } |
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158 |
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159 /* |
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160 ;;; Local Variables: *** |
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161 ;;; mode: C++ *** |
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162 ;;; page-delimiter: "^/\\*" *** |
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163 ;;; End: *** |
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164 */ |
