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package org.codehaus.groovy.syntax.lexer;
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3
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import org.codehaus.groovy.syntax.ReadException;
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import org.codehaus.groovy.syntax.Numbers;
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5
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import org.codehaus.groovy.syntax.Types;
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import org.codehaus.groovy.syntax.Token;
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7
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8
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9
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10
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11
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17
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public class GroovyLexerBase extends LexerBase
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18
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{
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19
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20
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protected StringLexer stringLexer = new StringLexer();
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21
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protected GStringLexer gstringLexer = new GStringLexer();
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22
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23
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24
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25
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26
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27
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28
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29
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0
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public Token nextToken() throws ReadException, LexerException
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30
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{
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31
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32
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33
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0
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Token token = null;
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34
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0
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OUTER_LOOP : while (token == null)
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35
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{
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36
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37
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38
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39
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40
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0
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if( delegate != null )
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41
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{
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42
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0
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token = delegate.nextToken();
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43
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44
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0
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if( token == null )
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45
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{
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46
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0
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undelegate();
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47
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}
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48
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else
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49
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{
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50
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0
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break OUTER_LOOP;
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51
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}
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52
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}
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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
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0
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char c = la();
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59
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60
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0
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ROOT_SWITCH : switch (c)
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61
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{
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62
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case (CharStream.EOS) :
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63
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{
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64
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0
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break OUTER_LOOP;
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65
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}
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66
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case (' ') :
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67
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case ('\t') :
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68
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{
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69
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0
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consume();
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70
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0
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token = null;
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71
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0
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break ROOT_SWITCH;
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72
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}
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73
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case ('\r') :
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74
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case ('\n') :
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75
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{
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76
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0
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mark();
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77
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0
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token = tokenizeEOL();
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78
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0
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break ROOT_SWITCH;
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79
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}
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80
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case ('{') :
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81
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{
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82
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0
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mark();
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83
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0
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consume();
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84
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0
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token = symbol( Types.LEFT_CURLY_BRACE );
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85
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0
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break ROOT_SWITCH;
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86
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}
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87
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case ('}') :
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88
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{
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89
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0
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mark();
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90
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0
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consume();
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91
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0
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token = symbol( Types.RIGHT_CURLY_BRACE );
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92
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0
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break ROOT_SWITCH;
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93
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}
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94
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case ('[') :
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95
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{
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96
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0
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mark();
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97
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0
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consume();
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98
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0
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token = symbol( Types.LEFT_SQUARE_BRACKET );
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99
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0
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break ROOT_SWITCH;
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100
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}
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101
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case (']') :
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102
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{
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103
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0
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mark();
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104
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0
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consume();
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105
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0
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token = symbol( Types.RIGHT_SQUARE_BRACKET );
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106
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0
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break ROOT_SWITCH;
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107
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}
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108
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case ('(') :
|
109
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{
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110
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0
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mark();
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111
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0
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consume();
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112
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0
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token = symbol( Types.LEFT_PARENTHESIS );
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113
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0
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break ROOT_SWITCH;
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114
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}
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115
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case (')') :
|
116
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{
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117
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0
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mark();
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118
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0
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consume();
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119
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0
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token = symbol( Types.RIGHT_PARENTHESIS );
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120
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0
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break ROOT_SWITCH;
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121
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}
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122
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case ('#') :
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123
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{
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124
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0
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consume();
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125
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126
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0
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token = symbol( Types.NEWLINE, -1 );
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127
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128
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0
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CONSUME_LOOP : while( true )
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129
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{
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130
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0
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switch (c = la())
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131
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{
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132
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case ('\r') :
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133
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case ('\n') :
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134
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{
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135
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0
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readEOL();
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136
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0
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break CONSUME_LOOP;
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137
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}
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138
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case CharStream.EOS :
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139
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{
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140
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0
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break CONSUME_LOOP;
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141
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}
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142
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default :
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143
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{
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144
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0
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consume();
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145
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}
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146
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}
|
147
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}
|
148
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0
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break ROOT_SWITCH;
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149
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}
|
150
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case ('/') :
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151
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{
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152
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0
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mark();
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153
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0
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consume();
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154
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155
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0
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c = la();
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156
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|
157
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0
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MULTICHAR_SWITCH : switch (c)
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158
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{
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159
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case ('=') :
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160
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{
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161
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0
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consume();
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162
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0
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token = symbol( Types.DIVIDE_EQUAL );
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163
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0
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break MULTICHAR_SWITCH;
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164
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}
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165
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case ('/') :
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166
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{
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167
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0
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consume();
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168
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0
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token = symbol( Types.NEWLINE, -2 );
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169
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|
|
170
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0
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CONSUME_LOOP : while (true)
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171
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{
|
172
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0
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switch (c = la())
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173
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{
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174
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case ('\r') :
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175
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case ('\n') :
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176
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{
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177
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0
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readEOL();
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178
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0
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break CONSUME_LOOP;
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179
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}
|
180
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case CharStream.EOS :
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181
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{
|
182
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0
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break CONSUME_LOOP;
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183
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}
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184
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default :
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185
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{
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186
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0
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consume();
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187
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}
|
188
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}
|
189
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}
|
190
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0
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break MULTICHAR_SWITCH;
|
191
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}
|
192
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case ('*') :
|
193
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{
|
194
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0
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CONSUME_LOOP : while (true)
|
195
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{
|
196
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0
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CONSUME_SWITCH : switch (c = la())
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197
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{
|
198
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case ('*') :
|
199
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{
|
200
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0
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consume();
|
201
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0
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if (la() == '/')
|
202
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{
|
203
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0
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consume();
|
204
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0
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break CONSUME_LOOP;
|
205
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}
|
206
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0
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break CONSUME_SWITCH;
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207
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}
|
208
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case ('\r') :
|
209
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|
case ('\n') :
|
210
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|
{
|
211
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0
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readEOL();
|
212
|
0
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break CONSUME_SWITCH;
|
213
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}
|
214
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|
case CharStream.EOS :
|
215
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{
|
216
|
0
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break CONSUME_LOOP;
|
217
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|
}
|
218
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|
default :
|
219
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{
|
220
|
0
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consume();
|
221
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|
}
|
222
|
|
}
|
223
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|
}
|
224
|
0
|
token = null;
|
225
|
0
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break MULTICHAR_SWITCH;
|
226
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|
}
|
227
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|
default :
|
228
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|
{
|
229
|
0
|
token = symbol( Types.DIVIDE );
|
230
|
0
|
break MULTICHAR_SWITCH;
|
231
|
|
}
|
232
|
|
}
|
233
|
0
|
break ROOT_SWITCH;
|
234
|
|
}
|
235
|
|
case ('%') :
|
236
|
|
{
|
237
|
0
|
mark();
|
238
|
0
|
consume();
|
239
|
|
|
240
|
0
|
c = la();
|
241
|
|
|
242
|
0
|
MULTICHAR_SWITCH : switch (c)
|
243
|
|
{
|
244
|
|
case ('=') :
|
245
|
|
{
|
246
|
0
|
consume();
|
247
|
0
|
token = symbol( Types.MOD_EQUAL );
|
248
|
0
|
break MULTICHAR_SWITCH;
|
249
|
|
}
|
250
|
|
default :
|
251
|
|
{
|
252
|
0
|
token = symbol( Types.MOD );
|
253
|
0
|
break MULTICHAR_SWITCH;
|
254
|
|
}
|
255
|
|
}
|
256
|
0
|
break ROOT_SWITCH;
|
257
|
|
}
|
258
|
|
case ('\\') :
|
259
|
|
{
|
260
|
0
|
mark();
|
261
|
0
|
consume();
|
262
|
|
|
263
|
0
|
c = la();
|
264
|
|
|
265
|
0
|
MULTICHAR_SWITCH : switch (c)
|
266
|
|
{
|
267
|
|
case ('=') :
|
268
|
|
{
|
269
|
0
|
consume();
|
270
|
0
|
token = symbol( Types.INTDIV_EQUAL );
|
271
|
0
|
break MULTICHAR_SWITCH;
|
272
|
|
}
|
273
|
|
default :
|
274
|
|
{
|
275
|
0
|
token = symbol( Types.INTDIV );
|
276
|
0
|
break MULTICHAR_SWITCH;
|
277
|
|
}
|
278
|
|
}
|
279
|
0
|
break ROOT_SWITCH;
|
280
|
|
}
|
281
|
|
case ('~') :
|
282
|
|
{
|
283
|
0
|
mark();
|
284
|
0
|
consume();
|
285
|
|
|
286
|
0
|
token = symbol( Types.REGEX_PATTERN );
|
287
|
0
|
break ROOT_SWITCH;
|
288
|
|
}
|
289
|
|
case ('!') :
|
290
|
|
{
|
291
|
0
|
mark();
|
292
|
0
|
consume();
|
293
|
|
|
294
|
0
|
c = la();
|
295
|
|
|
296
|
0
|
MULTICHAR_SWITCH : switch (c)
|
297
|
|
{
|
298
|
|
case ('=') :
|
299
|
|
{
|
300
|
0
|
consume();
|
301
|
0
|
if( la() == '=' )
|
302
|
|
{
|
303
|
0
|
consume();
|
304
|
0
|
token = symbol( Types.COMPARE_NOT_IDENTICAL );
|
305
|
|
}
|
306
|
|
else
|
307
|
|
{
|
308
|
0
|
token = symbol( Types.COMPARE_NOT_EQUAL );
|
309
|
|
}
|
310
|
0
|
break MULTICHAR_SWITCH;
|
311
|
|
}
|
312
|
|
default :
|
313
|
|
{
|
314
|
0
|
token = symbol( Types.NOT );
|
315
|
0
|
break MULTICHAR_SWITCH;
|
316
|
|
}
|
317
|
|
}
|
318
|
0
|
break ROOT_SWITCH;
|
319
|
|
}
|
320
|
|
case ('=') :
|
321
|
|
{
|
322
|
0
|
mark();
|
323
|
0
|
consume();
|
324
|
|
|
325
|
0
|
c = la();
|
326
|
|
|
327
|
0
|
MULTICHAR_SWITCH : switch (c)
|
328
|
|
{
|
329
|
|
case ('=') :
|
330
|
|
{
|
331
|
0
|
consume();
|
332
|
0
|
c = la();
|
333
|
|
|
334
|
0
|
switch (c)
|
335
|
|
{
|
336
|
|
case '=' :
|
337
|
|
{
|
338
|
0
|
consume();
|
339
|
0
|
token = symbol( Types.COMPARE_IDENTICAL );
|
340
|
0
|
break;
|
341
|
|
}
|
342
|
|
case '~' :
|
343
|
|
{
|
344
|
0
|
consume();
|
345
|
0
|
token = symbol( Types.MATCH_REGEX );
|
346
|
0
|
break;
|
347
|
|
}
|
348
|
|
default :
|
349
|
|
{
|
350
|
0
|
token = symbol( Types.COMPARE_EQUAL );
|
351
|
|
}
|
352
|
|
}
|
353
|
0
|
break MULTICHAR_SWITCH;
|
354
|
|
}
|
355
|
|
case '~' :
|
356
|
|
{
|
357
|
0
|
consume();
|
358
|
0
|
token = symbol( Types.FIND_REGEX );
|
359
|
0
|
break MULTICHAR_SWITCH;
|
360
|
|
}
|
361
|
|
default :
|
362
|
|
{
|
363
|
0
|
token = symbol( Types.EQUAL );
|
364
|
0
|
break MULTICHAR_SWITCH;
|
365
|
|
}
|
366
|
|
}
|
367
|
0
|
break ROOT_SWITCH;
|
368
|
|
}
|
369
|
|
case ('&') :
|
370
|
|
{
|
371
|
0
|
mark();
|
372
|
0
|
consume();
|
373
|
|
|
374
|
0
|
c = la();
|
375
|
|
|
376
|
0
|
MULTICHAR_SWITCH : switch (c)
|
377
|
|
{
|
378
|
|
case ('&') :
|
379
|
|
{
|
380
|
0
|
consume();
|
381
|
|
|
382
|
0
|
if( la() == '=' )
|
383
|
|
{
|
384
|
0
|
consume();
|
385
|
0
|
token = symbol( Types.LOGICAL_AND_EQUAL );
|
386
|
|
}
|
387
|
|
else
|
388
|
|
{
|
389
|
0
|
token = symbol( Types.LOGICAL_AND );
|
390
|
|
}
|
391
|
|
|
392
|
0
|
break MULTICHAR_SWITCH;
|
393
|
|
}
|
394
|
|
default :
|
395
|
|
{
|
396
|
0
|
unexpected( c, new char[] { '&' }, 1 );
|
397
|
|
}
|
398
|
|
}
|
399
|
0
|
break ROOT_SWITCH;
|
400
|
|
}
|
401
|
|
case ('|') :
|
402
|
|
{
|
403
|
0
|
mark();
|
404
|
0
|
consume();
|
405
|
0
|
c = la();
|
406
|
|
|
407
|
0
|
MULTICHAR_SWITCH : switch (c)
|
408
|
|
{
|
409
|
|
case ('|') :
|
410
|
|
{
|
411
|
0
|
consume();
|
412
|
|
|
413
|
0
|
if( la() == '=' )
|
414
|
|
{
|
415
|
0
|
consume();
|
416
|
0
|
token = symbol( Types.LOGICAL_OR_EQUAL );
|
417
|
|
}
|
418
|
|
else
|
419
|
|
{
|
420
|
0
|
token = symbol( Types.LOGICAL_OR );
|
421
|
|
}
|
422
|
|
|
423
|
0
|
break MULTICHAR_SWITCH;
|
424
|
|
}
|
425
|
|
default :
|
426
|
|
{
|
427
|
0
|
token = symbol( Types.PIPE );
|
428
|
0
|
break MULTICHAR_SWITCH;
|
429
|
|
}
|
430
|
|
}
|
431
|
0
|
break ROOT_SWITCH;
|
432
|
|
}
|
433
|
|
case ('+') :
|
434
|
|
{
|
435
|
0
|
mark();
|
436
|
0
|
consume();
|
437
|
|
|
438
|
0
|
c = la();
|
439
|
|
|
440
|
0
|
MULTICHAR_SWITCH : switch (c)
|
441
|
|
{
|
442
|
|
case ('+') :
|
443
|
|
{
|
444
|
0
|
consume();
|
445
|
0
|
token = symbol( Types.PLUS_PLUS );
|
446
|
0
|
break MULTICHAR_SWITCH;
|
447
|
|
}
|
448
|
|
case ('=') :
|
449
|
|
{
|
450
|
0
|
consume();
|
451
|
0
|
token = symbol( Types.PLUS_EQUAL );
|
452
|
0
|
break MULTICHAR_SWITCH;
|
453
|
|
}
|
454
|
|
default :
|
455
|
|
{
|
456
|
0
|
token = symbol( Types.PLUS );
|
457
|
0
|
break MULTICHAR_SWITCH;
|
458
|
|
}
|
459
|
|
}
|
460
|
0
|
break ROOT_SWITCH;
|
461
|
|
}
|
462
|
|
case ('-') :
|
463
|
|
{
|
464
|
0
|
mark();
|
465
|
0
|
consume();
|
466
|
|
|
467
|
0
|
c = la();
|
468
|
|
|
469
|
0
|
MULTICHAR_SWITCH : switch (c)
|
470
|
|
{
|
471
|
|
case ('-') :
|
472
|
|
{
|
473
|
0
|
consume();
|
474
|
0
|
token = symbol( Types.MINUS_MINUS );
|
475
|
0
|
break MULTICHAR_SWITCH;
|
476
|
|
}
|
477
|
|
case ('=') :
|
478
|
|
{
|
479
|
0
|
consume();
|
480
|
0
|
token = symbol( Types.MINUS_EQUAL );
|
481
|
0
|
break MULTICHAR_SWITCH;
|
482
|
|
}
|
483
|
|
case ('>') :
|
484
|
|
{
|
485
|
0
|
consume();
|
486
|
0
|
token = symbol( Types.NAVIGATE );
|
487
|
0
|
break MULTICHAR_SWITCH;
|
488
|
|
}
|
489
|
|
default :
|
490
|
|
{
|
491
|
0
|
token = symbol( Types.MINUS );
|
492
|
0
|
break MULTICHAR_SWITCH;
|
493
|
|
}
|
494
|
|
}
|
495
|
0
|
break ROOT_SWITCH;
|
496
|
|
}
|
497
|
|
case ('*') :
|
498
|
|
{
|
499
|
0
|
mark();
|
500
|
0
|
consume();
|
501
|
|
|
502
|
0
|
c = la();
|
503
|
|
|
504
|
0
|
MULTICHAR_SWITCH : switch (c)
|
505
|
|
{
|
506
|
|
case ('=') :
|
507
|
|
{
|
508
|
0
|
consume();
|
509
|
0
|
token = symbol( Types.MULTIPLY_EQUAL );
|
510
|
0
|
break MULTICHAR_SWITCH;
|
511
|
|
}
|
512
|
|
default :
|
513
|
|
{
|
514
|
0
|
token = symbol( Types.MULTIPLY );
|
515
|
0
|
break MULTICHAR_SWITCH;
|
516
|
|
}
|
517
|
|
}
|
518
|
0
|
break ROOT_SWITCH;
|
519
|
|
}
|
520
|
|
case (':') :
|
521
|
|
{
|
522
|
0
|
mark();
|
523
|
0
|
consume();
|
524
|
|
|
525
|
0
|
token = symbol( Types.COLON );
|
526
|
0
|
break ROOT_SWITCH;
|
527
|
|
}
|
528
|
|
case (',') :
|
529
|
|
{
|
530
|
0
|
mark();
|
531
|
0
|
consume();
|
532
|
0
|
token = symbol( Types.COMMA );
|
533
|
0
|
break ROOT_SWITCH;
|
534
|
|
}
|
535
|
|
case (';') :
|
536
|
|
{
|
537
|
0
|
mark();
|
538
|
0
|
consume();
|
539
|
0
|
token = symbol( Types.SEMICOLON );
|
540
|
0
|
break ROOT_SWITCH;
|
541
|
|
}
|
542
|
|
case ('?') :
|
543
|
|
{
|
544
|
0
|
mark();
|
545
|
0
|
consume();
|
546
|
0
|
token = symbol( Types.QUESTION );
|
547
|
0
|
break ROOT_SWITCH;
|
548
|
|
}
|
549
|
|
case ('<') :
|
550
|
|
{
|
551
|
0
|
mark();
|
552
|
0
|
consume();
|
553
|
|
|
554
|
0
|
c = la();
|
555
|
|
|
556
|
0
|
MULTICHAR_SWITCH : switch (c)
|
557
|
|
{
|
558
|
|
case ('=') :
|
559
|
|
{
|
560
|
0
|
consume();
|
561
|
0
|
c = la();
|
562
|
0
|
if (c == '>')
|
563
|
|
{
|
564
|
0
|
consume();
|
565
|
0
|
token = symbol( Types.COMPARE_TO );
|
566
|
|
}
|
567
|
|
else
|
568
|
|
{
|
569
|
0
|
token = symbol( Types.COMPARE_LESS_THAN_EQUAL );
|
570
|
|
}
|
571
|
0
|
break MULTICHAR_SWITCH;
|
572
|
|
}
|
573
|
|
case ('<') :
|
574
|
|
{
|
575
|
0
|
consume();
|
576
|
0
|
c = la();
|
577
|
|
|
578
|
|
|
579
|
|
|
580
|
|
|
581
|
|
|
582
|
|
|
583
|
|
|
584
|
0
|
if (c == '<')
|
585
|
|
{
|
586
|
0
|
consume();
|
587
|
|
|
588
|
0
|
StringBuffer marker = new StringBuffer();
|
589
|
0
|
while( (c = la()) != '\n' && c != '\r' && c != CharStream.EOS )
|
590
|
|
{
|
591
|
0
|
marker.append( consume() );
|
592
|
|
}
|
593
|
|
|
594
|
0
|
readEOL();
|
595
|
|
|
596
|
0
|
Lexer child = new HereDocLexer( marker.toString() );
|
597
|
0
|
delegate( child );
|
598
|
|
|
599
|
0
|
gstringLexer.reset();
|
600
|
0
|
child.delegate( gstringLexer );
|
601
|
|
|
602
|
0
|
break ROOT_SWITCH;
|
603
|
|
}
|
604
|
|
else
|
605
|
|
{
|
606
|
0
|
token = symbol( Types.LEFT_SHIFT );
|
607
|
0
|
break ROOT_SWITCH;
|
608
|
|
}
|
609
|
|
}
|
610
|
|
default :
|
611
|
|
{
|
612
|
0
|
token = symbol( Types.COMPARE_LESS_THAN );
|
613
|
0
|
break MULTICHAR_SWITCH;
|
614
|
|
}
|
615
|
|
}
|
616
|
0
|
break ROOT_SWITCH;
|
617
|
|
}
|
618
|
|
case ('>') :
|
619
|
|
{
|
620
|
0
|
mark();
|
621
|
0
|
consume();
|
622
|
|
|
623
|
0
|
c = la();
|
624
|
|
|
625
|
0
|
MULTICHAR_SWITCH : switch (c)
|
626
|
|
{
|
627
|
|
case ('=') :
|
628
|
|
{
|
629
|
0
|
consume();
|
630
|
0
|
token = symbol( Types.COMPARE_GREATER_THAN_EQUAL );
|
631
|
0
|
break MULTICHAR_SWITCH;
|
632
|
|
}
|
633
|
|
case ('>') :
|
634
|
|
{
|
635
|
0
|
consume();
|
636
|
0
|
if( la() == '>' )
|
637
|
|
{
|
638
|
0
|
consume();
|
639
|
0
|
token = symbol( Types.RIGHT_SHIFT_UNSIGNED );
|
640
|
|
}
|
641
|
|
else
|
642
|
|
{
|
643
|
0
|
token = symbol( Types.RIGHT_SHIFT );
|
644
|
|
}
|
645
|
0
|
break MULTICHAR_SWITCH;
|
646
|
|
}
|
647
|
|
default :
|
648
|
|
{
|
649
|
0
|
token = symbol( Types.COMPARE_GREATER_THAN );
|
650
|
0
|
break MULTICHAR_SWITCH;
|
651
|
|
}
|
652
|
|
}
|
653
|
0
|
break ROOT_SWITCH;
|
654
|
|
}
|
655
|
|
case ('\'') :
|
656
|
|
{
|
657
|
0
|
mark();
|
658
|
|
|
659
|
0
|
stringLexer.reset();
|
660
|
0
|
stringLexer.allowGStrings(false);
|
661
|
0
|
delegate( stringLexer );
|
662
|
|
|
663
|
0
|
break ROOT_SWITCH;
|
664
|
|
}
|
665
|
|
case ('"') :
|
666
|
|
{
|
667
|
0
|
mark();
|
668
|
|
|
669
|
0
|
stringLexer.reset();
|
670
|
0
|
stringLexer.allowGStrings(true);
|
671
|
0
|
delegate( stringLexer );
|
672
|
|
|
673
|
0
|
gstringLexer.reset();
|
674
|
0
|
stringLexer.delegate( gstringLexer );
|
675
|
|
|
676
|
0
|
break ROOT_SWITCH;
|
677
|
|
}
|
678
|
|
case ('0') :
|
679
|
|
case ('1') :
|
680
|
|
case ('2') :
|
681
|
|
case ('3') :
|
682
|
|
case ('4') :
|
683
|
|
case ('5') :
|
684
|
|
case ('6') :
|
685
|
|
case ('7') :
|
686
|
|
case ('8') :
|
687
|
|
case ('9') :
|
688
|
|
case ('.') :
|
689
|
|
{
|
690
|
0
|
mark();
|
691
|
|
|
692
|
|
|
693
|
|
|
694
|
|
|
695
|
|
|
696
|
0
|
if( c == '.' && !Numbers.isDigit(la(2)) )
|
697
|
|
{
|
698
|
0
|
consume();
|
699
|
0
|
if( la() == '.' )
|
700
|
|
{
|
701
|
0
|
consume();
|
702
|
0
|
if( la() == '.' )
|
703
|
|
{
|
704
|
0
|
consume();
|
705
|
0
|
token = symbol( Types.DOT_DOT_DOT );
|
706
|
|
}
|
707
|
|
else
|
708
|
|
{
|
709
|
0
|
token = symbol( Types.DOT_DOT );
|
710
|
|
}
|
711
|
|
}
|
712
|
|
else
|
713
|
|
{
|
714
|
0
|
token = symbol( Types.DOT );
|
715
|
|
}
|
716
|
0
|
break ROOT_SWITCH;
|
717
|
|
}
|
718
|
|
|
719
|
|
|
720
|
|
|
721
|
|
|
722
|
|
|
723
|
0
|
StringBuffer numericLiteral = new StringBuffer();
|
724
|
0
|
boolean isDecimal = false;
|
725
|
|
|
726
|
|
|
727
|
|
|
728
|
|
|
729
|
|
|
730
|
|
|
731
|
0
|
char c2 = la(2);
|
732
|
0
|
if( c == '0' && (c2 == 'X' || c2 == 'x' || Numbers.isDigit(c2)) )
|
733
|
|
{
|
734
|
0
|
numericLiteral.append( consume() );
|
735
|
|
|
736
|
0
|
if( (c = la()) == 'X' || c == 'x' )
|
737
|
|
{
|
738
|
0
|
numericLiteral.append( consume() );
|
739
|
0
|
if( Numbers.isHexDigit(la()) )
|
740
|
|
{
|
741
|
0
|
while( Numbers.isHexDigit(la()) )
|
742
|
|
{
|
743
|
0
|
numericLiteral.append( consume() );
|
744
|
|
}
|
745
|
|
}
|
746
|
|
else
|
747
|
|
{
|
748
|
0
|
unexpected( la(), numericLiteral.length(), "expected hexadecimal digit" );
|
749
|
|
}
|
750
|
|
}
|
751
|
|
else
|
752
|
|
{
|
753
|
0
|
while( Numbers.isOctalDigit(la()) )
|
754
|
|
{
|
755
|
0
|
numericLiteral.append( consume() );
|
756
|
|
}
|
757
|
|
|
758
|
0
|
if( Numbers.isDigit(la()) )
|
759
|
|
{
|
760
|
0
|
unexpected( la(), numericLiteral.length(), "expected octal digit" );
|
761
|
|
}
|
762
|
|
}
|
763
|
|
}
|
764
|
|
|
765
|
|
|
766
|
|
|
767
|
|
|
768
|
|
|
769
|
|
else
|
770
|
|
{
|
771
|
0
|
while( Numbers.isDigit(la()) )
|
772
|
|
{
|
773
|
0
|
numericLiteral.append( consume() );
|
774
|
|
}
|
775
|
|
|
776
|
|
|
777
|
|
|
778
|
|
|
779
|
|
|
780
|
0
|
if( la() == '.' && Numbers.isDigit(la(2)) )
|
781
|
|
{
|
782
|
0
|
isDecimal = true;
|
783
|
|
|
784
|
0
|
numericLiteral.append( consume() );
|
785
|
0
|
while( Numbers.isDigit(la()) )
|
786
|
|
{
|
787
|
0
|
numericLiteral.append( consume() );
|
788
|
|
}
|
789
|
|
|
790
|
|
|
791
|
|
|
792
|
|
|
793
|
0
|
if( (c = la()) == 'e' || c == 'E' )
|
794
|
|
{
|
795
|
0
|
numericLiteral.append( consume() );
|
796
|
|
|
797
|
0
|
if (la() == '+' || la() == '-')
|
798
|
|
{
|
799
|
0
|
numericLiteral.append(consume());
|
800
|
|
}
|
801
|
|
|
802
|
0
|
if( Numbers.isDigit(la()) )
|
803
|
|
{
|
804
|
0
|
while( Numbers.isDigit(la()) )
|
805
|
|
{
|
806
|
0
|
numericLiteral.append( consume() );
|
807
|
|
}
|
808
|
|
}
|
809
|
|
else
|
810
|
|
{
|
811
|
0
|
unexpected( la(), numericLiteral.length(), "expected exponent" );
|
812
|
|
}
|
813
|
|
}
|
814
|
|
}
|
815
|
|
}
|
816
|
|
|
817
|
|
|
818
|
|
|
819
|
|
|
820
|
|
|
821
|
0
|
if( Numbers.isNumericTypeSpecifier(la(), isDecimal) )
|
822
|
|
{
|
823
|
0
|
numericLiteral.append( consume() );
|
824
|
|
}
|
825
|
|
|
826
|
|
|
827
|
|
|
828
|
|
|
829
|
|
|
830
|
0
|
if( Character.isJavaIdentifierPart(c = la()) )
|
831
|
|
{
|
832
|
0
|
unexpected( c, numericLiteral.length(), "expected end of numeric literal" );
|
833
|
|
}
|
834
|
|
|
835
|
|
|
836
|
|
|
837
|
|
|
838
|
|
|
839
|
0
|
if( isDecimal )
|
840
|
|
{
|
841
|
0
|
token = Token.newDecimal( numericLiteral.toString(), getStartLine(), getStartColumn() );
|
842
|
|
}
|
843
|
|
else
|
844
|
|
{
|
845
|
0
|
token = Token.newInteger( numericLiteral.toString(), getStartLine(), getStartColumn() );
|
846
|
|
}
|
847
|
|
|
848
|
0
|
break ROOT_SWITCH;
|
849
|
|
}
|
850
|
|
default :
|
851
|
|
{
|
852
|
0
|
mark();
|
853
|
0
|
if (Character.isJavaIdentifierStart(c))
|
854
|
|
{
|
855
|
0
|
StringBuffer identifier = new StringBuffer();
|
856
|
|
|
857
|
0
|
IDENTIFIER_LOOP : while (true)
|
858
|
|
{
|
859
|
0
|
c = la();
|
860
|
|
|
861
|
0
|
if (Character.isJavaIdentifierPart(c))
|
862
|
|
{
|
863
|
0
|
identifier.append(consume());
|
864
|
|
}
|
865
|
|
else
|
866
|
|
{
|
867
|
0
|
break IDENTIFIER_LOOP;
|
868
|
|
}
|
869
|
|
}
|
870
|
|
|
871
|
0
|
String text = identifier.toString();
|
872
|
0
|
token = Token.newKeyword( text, getStartLine(), getStartColumn() );
|
873
|
|
|
874
|
0
|
if (token == null)
|
875
|
|
{
|
876
|
0
|
token = Token.newIdentifier( text, getStartLine(), getStartColumn() );
|
877
|
|
}
|
878
|
|
}
|
879
|
|
else
|
880
|
|
{
|
881
|
0
|
unexpected( c, 1 );
|
882
|
|
}
|
883
|
|
|
884
|
0
|
break ROOT_SWITCH;
|
885
|
|
}
|
886
|
|
}
|
887
|
|
}
|
888
|
|
|
889
|
|
|
890
|
|
|
891
|
0
|
return token;
|
892
|
|
}
|
893
|
|
|
894
|
|
}
|
895
|
|
|