Mercurial > hg > octave-nkf

annotate libinterp/parse-tree/token.cc @ 20065:77f65eabac20 stable

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avoid crash when __FILE__ is used at top level (bug #44363) * lex.ll (octave_base_lexer::is_keyword_token): Call correct constructor for magic_file_kw. * token.h, token.cc (token::token (int, const char *, int, int)): New constructor.
author John W. Eaton <jwe@octave.org>
date Wed, 25 Feb 2015 11:33:39 -0500
parents d63878346099
children 734a77207e2e
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 /*
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2
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3 Copyright (C) 1993-2013 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 #ifdef HAVE_CONFIG_H
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24 #include <config.h>
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25 #endif
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26
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27 #include <cassert>
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28
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29 #include "error.h"
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30 #include "oct-obj.h"
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31 #include "symtab.h"
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32 #include "token.h"
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33 #include "utils.h"
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34
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35 token::token (int tv, int l, int c)
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36 {
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37 maybe_cmd = false;
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38 tspc = false;
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39 line_num = l;
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40 column_num = c;
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41 tok_val = tv;
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42 type_tag = generic_token;
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43 }
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44
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45 token::token (int tv, bool is_kw, int l, int c)
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46 {
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47 maybe_cmd = false;
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48 tspc = false;
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49 line_num = l;
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50 column_num = c;
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51 tok_val = tv;
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52 type_tag = is_kw ? keyword_token : generic_token;
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53 }
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54
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55 token::token (int tv, const char *s, int l, int c)
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56 {
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57 maybe_cmd = false;
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58 tspc = false;
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59 line_num = l;
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60 column_num = c;
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61 tok_val = tv;
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62 type_tag = string_token;
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63 str = new std::string (s);
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64 }
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65
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66 token::token (int tv, const std::string& s, int l, int c)
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67 {
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68 maybe_cmd = false;
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69 tspc = false;
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70 line_num = l;
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71 column_num = c;
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72 tok_val = tv;
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73 type_tag = string_token;
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74 str = new std::string (s);
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75 }
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76
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77 token::token (int tv, double d, const std::string& s, int l, int c)
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78 {
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79 maybe_cmd = false;
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80 tspc = false;
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81 line_num = l;
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82 column_num = c;
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83 tok_val = tv;
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84 type_tag = double_token;
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85 num = d;
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86 orig_text = s;
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87 }
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88
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89 token::token (int tv, end_tok_type t, int l, int c)
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90 {
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91 maybe_cmd = false;
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92 tspc = false;
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93 line_num = l;
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94 column_num = c;
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95 tok_val = tv;
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96 type_tag = ettype_token;
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97 et = t;
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98 }
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99
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100 token::token (int tv, symbol_table::symbol_record *s, int l, int c)
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101 {
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102 maybe_cmd = false;
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103 tspc = false;
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104 line_num = l;
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105 column_num = c;
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106 tok_val = tv;
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107 type_tag = sym_rec_token;
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108 sr = s;
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109 }
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110
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111 token::token (int tv, symbol_table::symbol_record *cls,
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112 symbol_table::symbol_record *pkg, int l, int c)
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113 {
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114 maybe_cmd = false;
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115 tspc = false;
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116 line_num = l;
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117 column_num = c;
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118 tok_val = tv;
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119 type_tag = meta_rec_token;
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120 mc.cr = cls;
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121 mc.pr = pkg;
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122 }
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123
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124 token::token (int tv, symbol_table::symbol_record *mth,
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125 symbol_table::symbol_record *cls,
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126 symbol_table::symbol_record *pkg, int l, int c)
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127 {
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128 maybe_cmd = false;
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129 tspc = false;
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130 line_num = l;
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131 column_num = c;
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132 tok_val = tv;
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133 type_tag = scls_rec_token;
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134 sc.mr = mth;
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135 sc.cr = cls;
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136 sc.pr = pkg;
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137 }
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138
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139 token::~token (void)
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140 {
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141 if (type_tag == string_token)
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142 delete str;
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143 }
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144
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145 std::string
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146 token::text (void) const
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147 {
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148 assert (type_tag == string_token);
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149 return *str;
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150 }
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151
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152 std::string
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153 token::symbol_name (void) const
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154 {
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155 assert (type_tag == sym_rec_token);
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156 return sr->name ();
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157 }
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158
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159 double
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160 token::number (void) const
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161 {
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162 assert (type_tag == double_token);
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163 return num;
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164 }
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165
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166 token::token_type
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167 token::ttype (void) const
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168 {
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169 return type_tag;
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170 }
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171
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172 token::end_tok_type
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173 token::ettype (void) const
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174 {
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175 assert (type_tag == ettype_token);
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176 return et;
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177 }
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178
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179 symbol_table::symbol_record *
142
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180 token::sym_rec (void)
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181 {
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182 assert (type_tag == sym_rec_token);
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183 return sr;
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184 }
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185
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186 symbol_table::symbol_record *
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187 token::method_rec (void)
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188 {
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189 assert (type_tag == scls_rec_token);
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190 return sc.mr;
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191 }
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192
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193 symbol_table::symbol_record *
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194 token::class_rec (void)
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195 {
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196 assert (type_tag == scls_rec_token);
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197 return sc.cr;
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198 }
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199
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200 symbol_table::symbol_record *
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201 token::package_rec (void)
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202 {
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203 assert (type_tag == scls_rec_token);
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204 return sc.pr;
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205 }
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206
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207 symbol_table::symbol_record *
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208 token::meta_class_rec (void)
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209 {
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210 assert (type_tag == meta_rec_token);
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211 return mc.cr;
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212 }
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213
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214 symbol_table::symbol_record *
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215 token::meta_package_rec (void)
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216 {
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217 assert (type_tag == meta_rec_token);
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218 return mc.pr;
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219 }
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220
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221 std::string
581
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222 token::text_rep (void)
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223 {
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224 return orig_text;
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225 }