1 | const { MAX_SAFE_COMPONENT_LENGTH } = require('./constants')
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2 | const debug = require('./debug')
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3 | exports = module.exports = {}
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4 |
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5 |
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6 | const re = exports.re = []
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7 | const src = exports.src = []
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8 | const t = exports.t = {}
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9 | let R = 0
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10 |
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11 | const createToken = (name, value, isGlobal) => {
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12 | const index = R++
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13 | debug(index, value)
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14 | t[name] = index
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15 | src[index] = value
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16 | re[index] = new RegExp(value, isGlobal ? 'g' : undefined)
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17 | }
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18 |
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19 |
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20 |
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21 |
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22 |
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23 |
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24 |
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25 | createToken('NUMERICIDENTIFIER', '0|[1-9]\\d*')
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26 | createToken('NUMERICIDENTIFIERLOOSE', '[0-9]+')
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27 |
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28 |
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29 |
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30 |
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31 |
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32 | createToken('NONNUMERICIDENTIFIER', '\\d*[a-zA-Z-][a-zA-Z0-9-]*')
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33 |
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34 |
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35 |
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36 |
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37 | createToken('MAINVERSION', `(${src[t.NUMERICIDENTIFIER]})\\.` +
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38 | `(${src[t.NUMERICIDENTIFIER]})\\.` +
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39 | `(${src[t.NUMERICIDENTIFIER]})`)
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40 |
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41 | createToken('MAINVERSIONLOOSE', `(${src[t.NUMERICIDENTIFIERLOOSE]})\\.` +
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42 | `(${src[t.NUMERICIDENTIFIERLOOSE]})\\.` +
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43 | `(${src[t.NUMERICIDENTIFIERLOOSE]})`)
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44 |
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45 |
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46 |
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47 |
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48 | createToken('PRERELEASEIDENTIFIER', `(?:${src[t.NUMERICIDENTIFIER]
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49 | }|${src[t.NONNUMERICIDENTIFIER]})`)
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50 |
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51 | createToken('PRERELEASEIDENTIFIERLOOSE', `(?:${src[t.NUMERICIDENTIFIERLOOSE]
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52 | }|${src[t.NONNUMERICIDENTIFIER]})`)
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53 |
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54 |
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55 |
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56 |
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57 |
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58 | createToken('PRERELEASE', `(?:-(${src[t.PRERELEASEIDENTIFIER]
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59 | }(?:\\.${src[t.PRERELEASEIDENTIFIER]})*))`)
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60 |
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61 | createToken('PRERELEASELOOSE', `(?:-?(${src[t.PRERELEASEIDENTIFIERLOOSE]
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62 | }(?:\\.${src[t.PRERELEASEIDENTIFIERLOOSE]})*))`)
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63 |
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64 |
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65 |
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66 |
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67 | createToken('BUILDIDENTIFIER', '[0-9A-Za-z-]+')
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68 |
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69 |
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70 |
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71 |
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72 |
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73 | createToken('BUILD', `(?:\\+(${src[t.BUILDIDENTIFIER]
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74 | }(?:\\.${src[t.BUILDIDENTIFIER]})*))`)
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75 |
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76 |
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77 |
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78 |
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79 |
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80 |
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81 |
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82 |
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83 |
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84 |
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85 | createToken('FULLPLAIN', `v?${src[t.MAINVERSION]
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86 | }${src[t.PRERELEASE]}?${
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87 | src[t.BUILD]}?`)
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88 |
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89 | createToken('FULL', `^${src[t.FULLPLAIN]}$`)
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90 |
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91 |
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92 |
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93 |
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94 | createToken('LOOSEPLAIN', `[v=\\s]*${src[t.MAINVERSIONLOOSE]
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95 | }${src[t.PRERELEASELOOSE]}?${
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96 | src[t.BUILD]}?`)
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97 |
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98 | createToken('LOOSE', `^${src[t.LOOSEPLAIN]}$`)
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99 |
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100 | createToken('GTLT', '((?:<|>)?=?)')
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101 |
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102 |
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103 |
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104 |
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105 | createToken('XRANGEIDENTIFIERLOOSE', `${src[t.NUMERICIDENTIFIERLOOSE]}|x|X|\\*`)
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106 | createToken('XRANGEIDENTIFIER', `${src[t.NUMERICIDENTIFIER]}|x|X|\\*`)
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107 |
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108 | createToken('XRANGEPLAIN', `[v=\\s]*(${src[t.XRANGEIDENTIFIER]})` +
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109 | `(?:\\.(${src[t.XRANGEIDENTIFIER]})` +
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110 | `(?:\\.(${src[t.XRANGEIDENTIFIER]})` +
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111 | `(?:${src[t.PRERELEASE]})?${
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112 | src[t.BUILD]}?` +
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113 | `)?)?`)
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114 |
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115 | createToken('XRANGEPLAINLOOSE', `[v=\\s]*(${src[t.XRANGEIDENTIFIERLOOSE]})` +
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116 | `(?:\\.(${src[t.XRANGEIDENTIFIERLOOSE]})` +
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117 | `(?:\\.(${src[t.XRANGEIDENTIFIERLOOSE]})` +
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118 | `(?:${src[t.PRERELEASELOOSE]})?${
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119 | src[t.BUILD]}?` +
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120 | `)?)?`)
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121 |
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122 | createToken('XRANGE', `^${src[t.GTLT]}\\s*${src[t.XRANGEPLAIN]}$`)
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123 | createToken('XRANGELOOSE', `^${src[t.GTLT]}\\s*${src[t.XRANGEPLAINLOOSE]}$`)
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124 |
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125 |
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126 |
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127 | createToken('COERCE', `${'(^|[^\\d])' +
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128 | '(\\d{1,'}${MAX_SAFE_COMPONENT_LENGTH}})` +
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129 | `(?:\\.(\\d{1,${MAX_SAFE_COMPONENT_LENGTH}}))?` +
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130 | `(?:\\.(\\d{1,${MAX_SAFE_COMPONENT_LENGTH}}))?` +
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131 | `(?:$|[^\\d])`)
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132 | createToken('COERCERTL', src[t.COERCE], true)
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133 |
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134 |
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135 |
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136 | createToken('LONETILDE', '(?:~>?)')
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137 |
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138 | createToken('TILDETRIM', `(\\s*)${src[t.LONETILDE]}\\s+`, true)
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139 | exports.tildeTrimReplace = '$1~'
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140 |
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141 | createToken('TILDE', `^${src[t.LONETILDE]}${src[t.XRANGEPLAIN]}$`)
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142 | createToken('TILDELOOSE', `^${src[t.LONETILDE]}${src[t.XRANGEPLAINLOOSE]}$`)
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143 |
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144 |
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145 |
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146 | createToken('LONECARET', '(?:\\^)')
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147 |
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148 | createToken('CARETTRIM', `(\\s*)${src[t.LONECARET]}\\s+`, true)
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149 | exports.caretTrimReplace = '$1^'
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150 |
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151 | createToken('CARET', `^${src[t.LONECARET]}${src[t.XRANGEPLAIN]}$`)
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152 | createToken('CARETLOOSE', `^${src[t.LONECARET]}${src[t.XRANGEPLAINLOOSE]}$`)
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153 |
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154 |
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155 | createToken('COMPARATORLOOSE', `^${src[t.GTLT]}\\s*(${src[t.LOOSEPLAIN]})$|^$`)
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156 | createToken('COMPARATOR', `^${src[t.GTLT]}\\s*(${src[t.FULLPLAIN]})$|^$`)
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157 |
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158 |
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159 |
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160 | createToken('COMPARATORTRIM', `(\\s*)${src[t.GTLT]
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161 | }\\s*(${src[t.LOOSEPLAIN]}|${src[t.XRANGEPLAIN]})`, true)
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162 | exports.comparatorTrimReplace = '$1$2$3'
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163 |
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164 |
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165 |
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166 |
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167 |
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168 | createToken('HYPHENRANGE', `^\\s*(${src[t.XRANGEPLAIN]})` +
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169 | `\\s+-\\s+` +
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170 | `(${src[t.XRANGEPLAIN]})` +
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171 | `\\s*$`)
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172 |
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173 | createToken('HYPHENRANGELOOSE', `^\\s*(${src[t.XRANGEPLAINLOOSE]})` +
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174 | `\\s+-\\s+` +
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175 | `(${src[t.XRANGEPLAINLOOSE]})` +
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176 | `\\s*$`)
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177 |
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178 |
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179 | createToken('STAR', '(<|>)?=?\\s*\\*')
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180 |
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181 | createToken('GTE0', '^\\s*>=\\s*0\.0\.0\\s*$')
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182 | createToken('GTE0PRE', '^\\s*>=\\s*0\.0\.0-0\\s*$')
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