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# |
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# WMLScript Language Specification Version 1.1 |
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# |
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# Lexer module |
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# |
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package WAP::wmls::lexer; |
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9
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1
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1
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119448
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use strict; |
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1
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3
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1
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35
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10
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1
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1
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6
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use warnings; |
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1
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1
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1
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25
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11
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1
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1
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5
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use bigint; |
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2
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1
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9
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12
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1
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1
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1279
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use bignum; |
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1
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3
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1
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9
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13
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14
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sub _DoubleStringLexer { |
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15
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0
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0
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my ($parser) = @_; |
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16
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0
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my $str = q{}; |
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0
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my $type = 'STRING_LITERAL'; |
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0
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while ($parser->YYData->{INPUT}) { |
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0
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for ($parser->YYData->{INPUT}) { |
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23
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0
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s/^\"// |
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and return ($type, $str); |
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26
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0
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0
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s/^([^"\\]+)// |
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27
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and $str .= $1, |
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28
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last; |
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29
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30
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0
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0
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s/^\\(['"\\\/])// |
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31
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and $str .= $1, # single quote, double quote, backslash, slash |
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32
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last; |
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33
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0
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0
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s/^\\b// |
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34
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and $str .= "\b", # backspace |
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35
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last; |
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36
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0
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0
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s/^\\f// |
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37
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and $str .= "\f", # form feed |
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38
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last; |
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39
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0
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0
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s/^\\n// |
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40
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and $str .= "\n", # new line |
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41
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last; |
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42
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0
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0
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s/^\\r// |
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43
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and $str .= "\r", # carriage return |
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44
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last; |
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45
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0
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0
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s/^\\t// |
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46
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and $str .= "\t", # horizontal tab |
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47
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last; |
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48
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0
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0
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if ($type eq 'UTF8_STRING_LITERAL') { |
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49
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0
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0
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s/^\\([0-7]{1,2})// |
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50
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and $str .= chr oct $1, |
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51
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last; |
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52
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0
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0
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s/^\\([0-3][0-7]{2})// |
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53
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and $str .= chr oct $1, |
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54
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last; |
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55
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0
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0
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s/^\\x([0-9A-Fa-f]{2})// |
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56
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and $str .= chr hex $1, |
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57
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last; |
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58
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} |
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59
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else { |
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60
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0
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0
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if ($parser->YYData->{encoding} eq 'iso-8859-1') { |
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61
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0
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0
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s/^\\([0-7]{1,2})// |
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62
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and $str .= chr oct $1, |
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63
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last; |
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64
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0
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0
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s/^\\([0-3][0-7]{2})// |
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65
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and $str .= chr oct $1, |
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66
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last; |
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67
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0
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0
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s/^\\x([0-9A-Fa-f]{2})// |
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68
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and $str .= chr hex $1, |
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69
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last; |
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70
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} |
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71
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else { |
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72
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0
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0
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0
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s/^\\([0-7]{1,2})// |
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73
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and $type = 'UTF8_STRING_LITERAL', |
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74
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and $str .= chr oct $1, |
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75
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last; |
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76
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0
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0
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0
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s/^\\([0-3][0-7]{2})// |
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77
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and $type = 'UTF8_STRING_LITERAL', |
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78
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and $str .= chr oct $1, |
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79
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last; |
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80
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0
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0
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0
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s/^\\x([0-9A-Fa-f]{2})// |
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81
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and $type = 'UTF8_STRING_LITERAL', |
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82
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and $str .= chr hex $1, |
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83
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last; |
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84
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} |
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85
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} |
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86
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0
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0
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if ($type eq 'UTF8_STRING_LITERAL') { |
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87
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0
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0
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s/^\\u([0-9A-Fa-f]{4})// |
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88
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and $str .= pack('U', hex $1), |
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89
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last; |
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90
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} |
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91
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else { |
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92
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0
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0
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0
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s/^\\u([0-9A-Fa-f]{4})// |
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93
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and $type = 'UTF8_STRING_LITERAL', |
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94
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and $str .= pack('U', hex $1), |
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95
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last; |
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96
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} |
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97
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0
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0
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s/^\\// |
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98
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and $parser->Error("Invalid escape sequence $_ .\n"), |
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99
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last; |
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100
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} |
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101
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} |
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102
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103
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0
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$parser->Error("Untermined string.\n"); |
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104
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0
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$parser->YYData->{lineno} ++; |
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105
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0
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return ($type, $str); |
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106
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} |
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107
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108
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sub _SingleStringLexer { |
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109
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0
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0
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my ($parser) = @_; |
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110
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0
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my $str = q{}; |
|
111
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0
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my $type = 'STRING_LITERAL'; |
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112
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113
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0
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while ($parser->YYData->{INPUT}) { |
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114
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115
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0
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for ($parser->YYData->{INPUT}) { |
|
116
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117
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0
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0
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s/^'// |
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118
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and return ($type, $str); |
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119
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120
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0
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0
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s/^([^'\\]+)// |
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121
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and $str .= $1, |
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122
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last; |
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123
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124
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0
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0
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s/^\\(['"\\\/])// |
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125
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and $str .= $1, # single quote, double quote, backslash, slash |
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126
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last; |
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127
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0
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0
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s/^\\b// |
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128
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and $str .= "\b", # backspace |
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129
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last; |
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130
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0
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0
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s/^\\f// |
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131
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and $str .= "\f", # form feed |
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132
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last; |
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133
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0
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0
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s/^\\n// |
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134
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and $str .= "\n", # new line |
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135
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last; |
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136
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0
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0
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s/^\\r// |
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137
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and $str .= "\r", # carriage return |
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138
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last; |
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139
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0
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0
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s/^\\t// |
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140
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and $str .= "\t", # horizontal tab |
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141
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last; |
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142
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0
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0
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if ($type eq 'UTF8_STRING_LITERAL') { |
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143
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0
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0
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s/^\\([0-7]{1,2})// |
|
144
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and $str .= chr oct $1, |
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145
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last; |
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146
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0
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0
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s/^\\([0-3][0-7]{2})// |
|
147
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and $str .= chr oct $1, |
|
148
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last; |
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149
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0
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0
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s/^\\x([0-9A-Fa-f]{2})// |
|
150
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and $str .= chr hex $1, |
|
151
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last; |
|
152
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} |
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153
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else { |
|
154
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0
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0
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if ($parser->YYData->{encoding} eq 'iso-8859-1') { |
|
155
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0
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0
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s/^\\([0-7]{1,2})// |
|
156
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and $str .= chr oct $1, |
|
157
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last; |
|
158
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0
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0
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s/^\\([0-3][0-7]{2})// |
|
159
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and $str .= chr oct $1, |
|
160
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last; |
|
161
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0
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0
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s/^\\x([0-9A-Fa-f]{2})// |
|
162
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and $str .= chr hex $1, |
|
163
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last; |
|
164
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} |
|
165
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else { |
|
166
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0
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0
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0
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s/^\\([0-7]{1,2})// |
|
167
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and $type = 'UTF8_STRING_LITERAL', |
|
168
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and $str .= chr oct $1, |
|
169
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last; |
|
170
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0
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0
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0
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s/^\\([0-3][0-7]{2})// |
|
171
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and $type = 'UTF8_STRING_LITERAL', |
|
172
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and $str .= chr oct $1, |
|
173
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last; |
|
174
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0
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0
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0
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s/^\\x([0-9A-Fa-f]{2})// |
|
175
|
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and $type = 'UTF8_STRING_LITERAL', |
|
176
|
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and $str .= chr hex $1, |
|
177
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last; |
|
178
|
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} |
|
179
|
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} |
|
180
|
0
|
0
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|
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|
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if ($type eq 'UTF8_STRING_LITERAL') { |
|
181
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0
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0
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s/^\\u([0-9A-Fa-f]{4})// |
|
182
|
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and $str .= pack('U', hex $1), |
|
183
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last; |
|
184
|
|
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} |
|
185
|
|
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else { |
|
186
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0
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0
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0
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|
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|
s/^\\u([0-9A-Fa-f]{4})// |
|
187
|
|
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|
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|
and $type = 'UTF8_STRING_LITERAL', |
|
188
|
|
|
|
|
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|
and $str .= pack('U', hex $1), |
|
189
|
|
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last; |
|
190
|
|
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} |
|
191
|
0
|
0
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|
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|
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s/^\\// |
|
192
|
|
|
|
|
|
|
and $parser->Error("Invalid escape sequence $_ .\n"), |
|
193
|
|
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last; |
|
194
|
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} |
|
195
|
|
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} |
|
196
|
|
|
|
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|
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|
197
|
0
|
|
|
|
|
|
$parser->Error("Untermined string.\n"); |
|
198
|
0
|
|
|
|
|
|
$parser->YYData->{lineno} ++; |
|
199
|
0
|
|
|
|
|
|
return ($type, $str); |
|
200
|
|
|
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|
} |
|
201
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|
202
|
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|
|
|
sub _Identifier { |
|
203
|
0
|
|
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0
|
|
|
my ($parser, $ident) = @_; |
|
204
|
|
|
|
|
|
|
|
|
205
|
0
|
0
|
|
|
|
|
if (exists $parser->YYData->{keyword}{$ident}) { |
|
|
|
0
|
|
|
|
|
|
|
206
|
0
|
|
|
|
|
|
return ($parser->YYData->{keyword}{$ident}, $ident); |
|
207
|
|
|
|
|
|
|
} |
|
208
|
|
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|
|
|
|
elsif (exists $parser->YYData->{invalid_keyword}{$ident}) { |
|
209
|
0
|
|
|
|
|
|
$parser->Error("Invalid keyword '$ident'.\n"); |
|
210
|
|
|
|
|
|
|
} |
|
211
|
0
|
|
|
|
|
|
return ('IDENTIFIER', $ident); |
|
212
|
|
|
|
|
|
|
} |
|
213
|
|
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|
|
|
|
|
|
214
|
|
|
|
|
|
|
sub _OctInteger { |
|
215
|
0
|
|
|
0
|
|
|
my ($parser, $str) = @_; |
|
216
|
|
|
|
|
|
|
|
|
217
|
0
|
|
|
|
|
|
my $val = 0; |
|
218
|
0
|
|
|
|
|
|
foreach (split //, $str) { |
|
219
|
0
|
|
|
|
|
|
$val = $val * 8 + oct $_; |
|
220
|
|
|
|
|
|
|
} |
|
221
|
0
|
|
|
|
|
|
return ('INTEGER_LITERAL', $val); |
|
222
|
|
|
|
|
|
|
} |
|
223
|
|
|
|
|
|
|
|
|
224
|
|
|
|
|
|
|
sub _HexInteger { |
|
225
|
0
|
|
|
0
|
|
|
my ($parser, $str) = @_; |
|
226
|
|
|
|
|
|
|
|
|
227
|
0
|
|
|
|
|
|
my $val = 0; |
|
228
|
0
|
|
|
|
|
|
foreach (split //, $str) { |
|
229
|
0
|
|
|
|
|
|
$val = $val * 16 + hex $_; |
|
230
|
|
|
|
|
|
|
} |
|
231
|
0
|
|
|
|
|
|
return ('INTEGER_LITERAL', $val); |
|
232
|
|
|
|
|
|
|
} |
|
233
|
|
|
|
|
|
|
|
|
234
|
|
|
|
|
|
|
sub _CommentLexer { |
|
235
|
0
|
|
|
0
|
|
|
my ($parser) = @_; |
|
236
|
|
|
|
|
|
|
|
|
237
|
0
|
|
|
|
|
|
while (1) { |
|
238
|
0
|
0
|
0
|
|
|
|
$parser->YYData->{INPUT} |
|
239
|
|
|
|
|
|
|
or $parser->YYData->{INPUT} = readline $parser->YYData->{fh} |
|
240
|
|
|
|
|
|
|
or return; |
|
241
|
|
|
|
|
|
|
|
|
242
|
0
|
|
|
|
|
|
for ($parser->YYData->{INPUT}) { |
|
243
|
0
|
0
|
|
|
|
|
s/^\n// |
|
244
|
|
|
|
|
|
|
and $parser->YYData->{lineno} ++, |
|
245
|
|
|
|
|
|
|
last; |
|
246
|
0
|
0
|
|
|
|
|
s/^\*\/// |
|
247
|
|
|
|
|
|
|
and return; |
|
248
|
0
|
0
|
|
|
|
|
s/^.// |
|
249
|
|
|
|
|
|
|
and last; |
|
250
|
|
|
|
|
|
|
} |
|
251
|
|
|
|
|
|
|
} |
|
252
|
|
|
|
|
|
|
} |
|
253
|
|
|
|
|
|
|
|
|
254
|
|
|
|
|
|
|
sub _DocLexer { |
|
255
|
0
|
|
|
0
|
|
|
my ($parser) = @_; |
|
256
|
|
|
|
|
|
|
|
|
257
|
0
|
|
|
|
|
|
$parser->YYData->{doc} = q{}; |
|
258
|
0
|
|
|
|
|
|
my $flag = 1; |
|
259
|
0
|
|
|
|
|
|
while (1) { |
|
260
|
0
|
0
|
0
|
|
|
|
$parser->YYData->{INPUT} |
|
261
|
|
|
|
|
|
|
or $parser->YYData->{INPUT} = readline $parser->YYData->{fh} |
|
262
|
|
|
|
|
|
|
or return; |
|
263
|
|
|
|
|
|
|
|
|
264
|
0
|
|
|
|
|
|
for ($parser->YYData->{INPUT}) { |
|
265
|
0
|
0
|
|
|
|
|
s/^(\n)// |
|
266
|
|
|
|
|
|
|
and $parser->YYData->{lineno} ++, |
|
267
|
|
|
|
|
|
|
$parser->YYData->{doc} .= $1, |
|
268
|
|
|
|
|
|
|
$flag = 0, |
|
269
|
|
|
|
|
|
|
last; |
|
270
|
0
|
0
|
|
|
|
|
s/^\*\/// |
|
271
|
|
|
|
|
|
|
and return; |
|
272
|
0
|
0
|
|
|
|
|
unless ($flag) { |
|
273
|
0
|
0
|
|
|
|
|
s/^\*// |
|
274
|
|
|
|
|
|
|
and $flag = 1, |
|
275
|
|
|
|
|
|
|
last; |
|
276
|
|
|
|
|
|
|
} |
|
277
|
|
|
|
|
|
|
s/^([ \r\t\f\013]+)// |
|
278
|
0
|
0
|
|
|
|
|
and $parser->YYData->{doc} .= $1, |
|
279
|
|
|
|
|
|
|
last; |
|
280
|
0
|
0
|
|
|
|
|
s/^(.)// |
|
281
|
|
|
|
|
|
|
and $parser->YYData->{doc} .= $1, |
|
282
|
|
|
|
|
|
|
$flag = 1, |
|
283
|
|
|
|
|
|
|
last; |
|
284
|
|
|
|
|
|
|
} |
|
285
|
|
|
|
|
|
|
} |
|
286
|
|
|
|
|
|
|
} |
|
287
|
|
|
|
|
|
|
|
|
288
|
|
|
|
|
|
|
sub Lexer { |
|
289
|
0
|
|
|
0
|
0
|
|
my ($parser) = @_; |
|
290
|
|
|
|
|
|
|
|
|
291
|
0
|
|
|
|
|
|
while (1) { |
|
292
|
0
|
0
|
0
|
|
|
|
$parser->YYData->{INPUT} |
|
293
|
|
|
|
|
|
|
or $parser->YYData->{INPUT} = readline $parser->YYData->{fh} |
|
294
|
|
|
|
|
|
|
or return ('', undef); |
|
295
|
|
|
|
|
|
|
|
|
296
|
0
|
|
|
|
|
|
for ($parser->YYData->{INPUT}) { |
|
297
|
|
|
|
|
|
|
|
|
298
|
0
|
|
|
|
|
|
s/^[ \r\t\f\013]+//; # Whitespace |
|
299
|
0
|
0
|
|
|
|
|
s/^\n// |
|
300
|
|
|
|
|
|
|
and $parser->YYData->{lineno} ++, |
|
301
|
|
|
|
|
|
|
last; |
|
302
|
|
|
|
|
|
|
|
|
303
|
0
|
0
|
|
|
|
|
s/^\/\*\*// # documentation |
|
304
|
|
|
|
|
|
|
and _DocLexer($parser), |
|
305
|
|
|
|
|
|
|
last; |
|
306
|
|
|
|
|
|
|
|
|
307
|
0
|
0
|
|
|
|
|
s/^\/\*// # MultiLineComment |
|
308
|
|
|
|
|
|
|
and _CommentLexer($parser), |
|
309
|
|
|
|
|
|
|
last; |
|
310
|
0
|
0
|
|
|
|
|
s/^\/\/(.*)\n// # SingleLineComment |
|
311
|
|
|
|
|
|
|
and $parser->YYData->{lineno} ++, |
|
312
|
|
|
|
|
|
|
last; |
|
313
|
|
|
|
|
|
|
|
|
314
|
0
|
0
|
|
|
|
|
s/^([0-9]+\.[0-9]+[Ee][+\-]?[0-9]+)// |
|
315
|
|
|
|
|
|
|
and return ('FLOAT_LITERAL', $1); |
|
316
|
0
|
0
|
|
|
|
|
s/^([0-9]+[Ee][+\-]?[0-9]+)// |
|
317
|
|
|
|
|
|
|
and return ('FLOAT_LITERAL', $1); |
|
318
|
0
|
0
|
|
|
|
|
s/^(\.[0-9]+[Ee][+\-]?[0-9]+)// |
|
319
|
|
|
|
|
|
|
and return ('FLOAT_LITERAL', $1); |
|
320
|
0
|
0
|
|
|
|
|
s/^([0-9]+\.[0-9]+)// |
|
321
|
|
|
|
|
|
|
and return ('FLOAT_LITERAL', $1); |
|
322
|
0
|
0
|
|
|
|
|
s/^([0-9]+\.)// |
|
323
|
|
|
|
|
|
|
and return ('FLOAT_LITERAL', $1); |
|
324
|
0
|
0
|
|
|
|
|
s/^(\.[0-9]+)// |
|
325
|
|
|
|
|
|
|
and return ('FLOAT_LITERAL', $1); |
|
326
|
|
|
|
|
|
|
|
|
327
|
0
|
0
|
|
|
|
|
s/^0([0-7]+)// |
|
328
|
|
|
|
|
|
|
and return _OctInteger($parser, $1); |
|
329
|
0
|
0
|
|
|
|
|
s/^0[Xx]([A-Fa-f0-9]+)// |
|
330
|
|
|
|
|
|
|
and return _HexInteger($parser, $1); |
|
331
|
0
|
0
|
|
|
|
|
s/^(0)// |
|
332
|
|
|
|
|
|
|
and return ('INTEGER_LITERAL', $1); |
|
333
|
0
|
0
|
|
|
|
|
s/^([1-9][0-9]*)// |
|
334
|
|
|
|
|
|
|
and return ('INTEGER_LITERAL', $1); |
|
335
|
|
|
|
|
|
|
|
|
336
|
0
|
0
|
|
|
|
|
s/^\"// |
|
337
|
|
|
|
|
|
|
and return _DoubleStringLexer($parser); |
|
338
|
|
|
|
|
|
|
|
|
339
|
0
|
0
|
|
|
|
|
s/^\'// |
|
340
|
|
|
|
|
|
|
and return _SingleStringLexer($parser); |
|
341
|
|
|
|
|
|
|
|
|
342
|
0
|
0
|
|
|
|
|
s/^([A-Z_a-z][0-9A-Z_a-z]*)// |
|
343
|
|
|
|
|
|
|
and return _Identifier($parser, $1); |
|
344
|
|
|
|
|
|
|
|
|
345
|
0
|
0
|
|
|
|
|
s/^(\+=)// |
|
346
|
|
|
|
|
|
|
and return ($1, $1); |
|
347
|
0
|
0
|
|
|
|
|
s/^(\-=)// |
|
348
|
|
|
|
|
|
|
and return ($1, $1); |
|
349
|
0
|
0
|
|
|
|
|
s/^(\*=)// |
|
350
|
|
|
|
|
|
|
and return ($1, $1); |
|
351
|
0
|
0
|
|
|
|
|
s/^(\/=)// |
|
352
|
|
|
|
|
|
|
and return ($1, $1); |
|
353
|
0
|
0
|
|
|
|
|
s/^(&=)// |
|
354
|
|
|
|
|
|
|
and return ($1, $1); |
|
355
|
0
|
0
|
|
|
|
|
s/^(\|=)// |
|
356
|
|
|
|
|
|
|
and return ($1, $1); |
|
357
|
0
|
0
|
|
|
|
|
s/^(\^=)// |
|
358
|
|
|
|
|
|
|
and return ($1, $1); |
|
359
|
0
|
0
|
|
|
|
|
s/^(%=)// |
|
360
|
|
|
|
|
|
|
and return ($1, $1); |
|
361
|
0
|
0
|
|
|
|
|
s/^(<<=)// |
|
362
|
|
|
|
|
|
|
and return ($1, $1); |
|
363
|
0
|
0
|
|
|
|
|
s/^(>>=)// |
|
364
|
|
|
|
|
|
|
and return ($1, $1); |
|
365
|
0
|
0
|
|
|
|
|
s/^(>>>=)// |
|
366
|
|
|
|
|
|
|
and return ($1, $1); |
|
367
|
0
|
0
|
|
|
|
|
s/^(div=)// |
|
368
|
|
|
|
|
|
|
and return ($1, $1); |
|
369
|
0
|
0
|
|
|
|
|
s/^(&&)// |
|
370
|
|
|
|
|
|
|
and return ($1, $1); |
|
371
|
0
|
0
|
|
|
|
|
s/^(\|\|)// |
|
372
|
|
|
|
|
|
|
and return ($1, $1); |
|
373
|
0
|
0
|
|
|
|
|
s/^(\+\+)// |
|
374
|
|
|
|
|
|
|
and return ($1, $1); |
|
375
|
0
|
0
|
|
|
|
|
s/^(\-\-)// |
|
376
|
|
|
|
|
|
|
and return ($1, $1); |
|
377
|
0
|
0
|
|
|
|
|
s/^(<<)// |
|
378
|
|
|
|
|
|
|
and return ($1, $1); |
|
379
|
0
|
0
|
|
|
|
|
s/^(>>>)// |
|
380
|
|
|
|
|
|
|
and return ($1, $1); |
|
381
|
0
|
0
|
|
|
|
|
s/^(>>)// |
|
382
|
|
|
|
|
|
|
and return ($1, $1); |
|
383
|
0
|
0
|
|
|
|
|
s/^(<=)// |
|
384
|
|
|
|
|
|
|
and return ($1, $1); |
|
385
|
0
|
0
|
|
|
|
|
s/^(>=)// |
|
386
|
|
|
|
|
|
|
and return ($1, $1); |
|
387
|
0
|
0
|
|
|
|
|
s/^(==)// |
|
388
|
|
|
|
|
|
|
and return ($1, $1); |
|
389
|
0
|
0
|
|
|
|
|
s/^(!=)// |
|
390
|
|
|
|
|
|
|
and return ($1, $1); |
|
391
|
|
|
|
|
|
|
|
|
392
|
0
|
0
|
|
|
|
|
s/^([=><,!~\?:\.\+\-\*\/&\|\^%\(\)\{\};#])// |
|
393
|
|
|
|
|
|
|
and return ($1, $1); # punctuator |
|
394
|
|
|
|
|
|
|
|
|
395
|
0
|
0
|
|
|
|
|
s/^([\S]+)// |
|
396
|
|
|
|
|
|
|
and $parser->Error("lexer error $1.\n"), |
|
397
|
|
|
|
|
|
|
last; |
|
398
|
|
|
|
|
|
|
} |
|
399
|
|
|
|
|
|
|
} |
|
400
|
|
|
|
|
|
|
} |
|
401
|
|
|
|
|
|
|
|
|
402
|
|
|
|
|
|
|
sub InitLexico { |
|
403
|
0
|
|
|
0
|
0
|
|
my ($parser) = @_; |
|
404
|
|
|
|
|
|
|
|
|
405
|
0
|
|
|
|
|
|
my %keywords = ( |
|
406
|
|
|
|
|
|
|
# Literal |
|
407
|
|
|
|
|
|
|
'true' => 'TRUE_LITERAL', |
|
408
|
|
|
|
|
|
|
'false' => 'FALSE_LITERAL', |
|
409
|
|
|
|
|
|
|
'invalid' => 'INVALID_LITERAL', |
|
410
|
|
|
|
|
|
|
# Keyword |
|
411
|
|
|
|
|
|
|
'access' => 'ACCESS', |
|
412
|
|
|
|
|
|
|
'agent' => 'AGENT', |
|
413
|
|
|
|
|
|
|
'break' => 'BREAK', |
|
414
|
|
|
|
|
|
|
'continue' => 'CONTINUE', |
|
415
|
|
|
|
|
|
|
'div' => 'DIV', |
|
416
|
|
|
|
|
|
|
'domain' => 'DOMAIN', |
|
417
|
|
|
|
|
|
|
'else' => 'ELSE', |
|
418
|
|
|
|
|
|
|
'equiv' => 'EQUIV', |
|
419
|
|
|
|
|
|
|
'extern' => 'EXTERN', |
|
420
|
|
|
|
|
|
|
'for' => 'FOR', |
|
421
|
|
|
|
|
|
|
'function' => 'FUNCTION', |
|
422
|
|
|
|
|
|
|
'header' => 'HEADER', |
|
423
|
|
|
|
|
|
|
'http' => 'HTTP', |
|
424
|
|
|
|
|
|
|
'if' => 'IF', |
|
425
|
|
|
|
|
|
|
'isvalid' => 'ISVALID', |
|
426
|
|
|
|
|
|
|
'meta' => 'META', |
|
427
|
|
|
|
|
|
|
'name' => 'NAME', |
|
428
|
|
|
|
|
|
|
'path' => 'PATH', |
|
429
|
|
|
|
|
|
|
'return' => 'RETURN', |
|
430
|
|
|
|
|
|
|
'typeof' => 'TYPEOF', |
|
431
|
|
|
|
|
|
|
'use' => 'USE', |
|
432
|
|
|
|
|
|
|
'user' => 'USER', |
|
433
|
|
|
|
|
|
|
'var' => 'VAR', |
|
434
|
|
|
|
|
|
|
'while' => 'WHILE', |
|
435
|
|
|
|
|
|
|
'url' => 'URL', |
|
436
|
|
|
|
|
|
|
); |
|
437
|
0
|
|
|
|
|
|
my %invalid_keywords = ( |
|
438
|
|
|
|
|
|
|
# Keyword not used |
|
439
|
|
|
|
|
|
|
'delete' => 'DELETE', |
|
440
|
|
|
|
|
|
|
'in' => 'IN', |
|
441
|
|
|
|
|
|
|
'lib' => 'LIB', |
|
442
|
|
|
|
|
|
|
'new' => 'NEW', |
|
443
|
|
|
|
|
|
|
'null' => 'NULL', |
|
444
|
|
|
|
|
|
|
'this' => 'THIS', |
|
445
|
|
|
|
|
|
|
'void' => 'VOID', |
|
446
|
|
|
|
|
|
|
'with' => 'WITH', |
|
447
|
|
|
|
|
|
|
# Future reserved word |
|
448
|
|
|
|
|
|
|
'case' => 'CASE', |
|
449
|
|
|
|
|
|
|
'catch' => 'CATCH', |
|
450
|
|
|
|
|
|
|
'class' => 'CLASS', |
|
451
|
|
|
|
|
|
|
'const' => 'CONST', |
|
452
|
|
|
|
|
|
|
'debugger' => 'DEBUGGER', |
|
453
|
|
|
|
|
|
|
'default' => 'DEFAULT', |
|
454
|
|
|
|
|
|
|
'do' => 'DO', |
|
455
|
|
|
|
|
|
|
'enum' => 'ENUM', |
|
456
|
|
|
|
|
|
|
'export' => 'EXPORT', |
|
457
|
|
|
|
|
|
|
'extends' => 'EXTENDS', |
|
458
|
|
|
|
|
|
|
'finally' => 'FINALLY', |
|
459
|
|
|
|
|
|
|
'import' => 'IMPORT', |
|
460
|
|
|
|
|
|
|
'private' => 'PRIVATE', |
|
461
|
|
|
|
|
|
|
'public' => 'PUBLIC', |
|
462
|
|
|
|
|
|
|
'sizeof' => 'SIZEOF', |
|
463
|
|
|
|
|
|
|
'struct' => 'STRUCT', |
|
464
|
|
|
|
|
|
|
'super' => 'SUPER', |
|
465
|
|
|
|
|
|
|
'switch' => 'SWITCH', |
|
466
|
|
|
|
|
|
|
'throw' => 'THROW', |
|
467
|
|
|
|
|
|
|
'try' => 'TRY', |
|
468
|
|
|
|
|
|
|
); |
|
469
|
|
|
|
|
|
|
|
|
470
|
0
|
|
|
|
|
|
$parser->YYData->{keyword} = \%keywords; |
|
471
|
0
|
|
|
|
|
|
$parser->YYData->{invalid_keyword} = \%invalid_keywords; |
|
472
|
0
|
|
|
|
|
|
return; |
|
473
|
|
|
|
|
|
|
} |
|
474
|
|
|
|
|
|
|
|
|
475
|
|
|
|
|
|
|
1; |
|
476
|
|
|
|
|
|
|
|