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annotate libinterp/parse-tree/token.cc @ 16257:db7f07b22b9b

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1/10 commits reworking the lexer
author John W. Eaton <jwe@octave.org>
date Mon, 11 Mar 2013 14:14:41 -0400
parents 12bf6a3f8c45
children 5c32368509a2 15f55df088e7
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1 /*
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2
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72c96de7a403 maint: update copyright notices for 2012
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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 #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, const std::string& s, 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 = string_token;
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53 str = new std::string (s);
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54 }
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55
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56 token::token (int tv, double d, const std::string& s, int l, int c)
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57 {
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58 maybe_cmd = false;
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59 tspc = false;
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60 line_num = l;
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61 column_num = c;
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62 tok_val = tv;
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63 type_tag = double_token;
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64 num = d;
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65 orig_text = s;
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66 }
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67
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68 token::token (int tv, end_tok_type t, int l, int c)
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69 {
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70 maybe_cmd = false;
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71 tspc = false;
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72 line_num = l;
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73 column_num = c;
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74 tok_val = tv;
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75 type_tag = ettype_token;
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76 et = t;
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77 }
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78
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79 token::token (int tv, symbol_table::symbol_record *s, int l, int c)
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80 {
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81 maybe_cmd = false;
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82 tspc = false;
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83 line_num = l;
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84 column_num = c;
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85 tok_val = tv;
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86 type_tag = sym_rec_token;
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87 sr = s;
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88 }
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89
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90 token::token (int tv, symbol_table::symbol_record *cls,
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91 symbol_table::symbol_record *pkg, int l, int c)
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92 {
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93 maybe_cmd = false;
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94 tspc = false;
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95 line_num = l;
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96 column_num = c;
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97 tok_val = tv;
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98 type_tag = meta_rec_token;
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99 mc.cr = cls;
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100 mc.pr = pkg;
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101 }
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102
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103 token::token (int tv, symbol_table::symbol_record *mth,
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104 symbol_table::symbol_record *cls,
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105 symbol_table::symbol_record *pkg, int l, int c)
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106 {
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107 maybe_cmd = false;
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108 tspc = false;
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109 line_num = l;
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110 column_num = c;
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111 tok_val = tv;
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112 type_tag = scls_rec_token;
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113 sc.mr = mth;
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114 sc.cr = cls;
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115 sc.pr = pkg;
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116 }
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117
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118 token::~token (void)
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119 {
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120 if (type_tag == string_token)
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121 delete str;
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122 }
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123
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124 std::string
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125 token::text (void) const
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126 {
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127 assert (type_tag == string_token);
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128 return *str;
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129 }
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130
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131 double
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132 token::number (void) const
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133 {
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134 assert (type_tag == double_token);
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135 return num;
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136 }
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137
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138 token::end_tok_type
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139 token::ettype (void) const
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140 {
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141 assert (type_tag == ettype_token);
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142 return et;
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143 }
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144
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145 symbol_table::symbol_record *
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146 token::sym_rec (void)
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147 {
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148 assert (type_tag == sym_rec_token);
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149 return sr;
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150 }
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151
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152 symbol_table::symbol_record *
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153 token::method_rec (void)
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154 {
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155 assert (type_tag == scls_rec_token);
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156 return sc.mr;
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157 }
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158
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159 symbol_table::symbol_record *
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160 token::class_rec (void)
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161 {
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162 assert (type_tag == scls_rec_token);
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163 return sc.cr;
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164 }
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165
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166 symbol_table::symbol_record *
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167 token::package_rec (void)
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168 {
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169 assert (type_tag == scls_rec_token);
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170 return sc.pr;
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171 }
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172
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173 symbol_table::symbol_record *
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174 token::meta_class_rec (void)
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175 {
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176 assert (type_tag == meta_rec_token);
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177 return mc.cr;
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178 }
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179
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180 symbol_table::symbol_record *
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181 token::meta_package_rec (void)
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182 {
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183 assert (type_tag == meta_rec_token);
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184 return mc.pr;
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185 }
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186
3536
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187 std::string
581
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188 token::text_rep (void)
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189 {
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190 return orig_text;
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191 }