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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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1
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1
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119448
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use strict; |
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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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25
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11
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1
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1
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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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3
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1
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sub _DoubleStringLexer { |
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0
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my ($parser) = @_; |
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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 ($parser->YYData->{INPUT}) { |
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0
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0
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s/^\"// |
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and return ($type, $str); |
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0
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0
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s/^([^"\\]+)// |
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and $str .= $1, |
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last; |
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0
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0
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s/^\\(['"\\\/])// |
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and $str .= $1, # single quote, double quote, backslash, slash |
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last; |
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0
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0
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s/^\\b// |
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and $str .= "\b", # backspace |
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last; |
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0
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0
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s/^\\f// |
37
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and $str .= "\f", # form feed |
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last; |
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0
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0
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s/^\\n// |
40
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and $str .= "\n", # new line |
41
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last; |
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0
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0
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s/^\\r// |
43
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and $str .= "\r", # carriage return |
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last; |
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0
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0
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s/^\\t// |
46
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and $str .= "\t", # horizontal tab |
47
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last; |
48
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0
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0
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if ($type eq 'UTF8_STRING_LITERAL') { |
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0
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0
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s/^\\([0-7]{1,2})// |
50
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and $str .= chr oct $1, |
51
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last; |
52
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0
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0
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s/^\\([0-3][0-7]{2})// |
53
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and $str .= chr oct $1, |
54
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last; |
55
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0
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0
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s/^\\x([0-9A-Fa-f]{2})// |
56
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and $str .= chr hex $1, |
57
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last; |
58
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} |
59
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else { |
60
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0
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0
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if ($parser->YYData->{encoding} eq 'iso-8859-1') { |
61
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0
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0
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s/^\\([0-7]{1,2})// |
62
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and $str .= chr oct $1, |
63
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last; |
64
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0
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0
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s/^\\([0-3][0-7]{2})// |
65
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and $str .= chr oct $1, |
66
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last; |
67
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0
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0
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s/^\\x([0-9A-Fa-f]{2})// |
68
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and $str .= chr hex $1, |
69
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last; |
70
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} |
71
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else { |
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})// |
73
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and $type = 'UTF8_STRING_LITERAL', |
74
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and $str .= chr oct $1, |
75
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last; |
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})// |
77
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and $type = 'UTF8_STRING_LITERAL', |
78
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and $str .= chr oct $1, |
79
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last; |
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})// |
81
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and $type = 'UTF8_STRING_LITERAL', |
82
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and $str .= chr hex $1, |
83
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last; |
84
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} |
85
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} |
86
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0
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0
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if ($type eq 'UTF8_STRING_LITERAL') { |
87
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0
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0
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s/^\\u([0-9A-Fa-f]{4})// |
88
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and $str .= pack('U', hex $1), |
89
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last; |
90
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} |
91
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else { |
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})// |
93
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and $type = 'UTF8_STRING_LITERAL', |
94
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and $str .= pack('U', hex $1), |
95
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last; |
96
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} |
97
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0
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0
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s/^\\// |
98
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and $parser->Error("Invalid escape sequence $_ .\n"), |
99
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last; |
100
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} |
101
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} |
102
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103
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0
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$parser->Error("Untermined string.\n"); |
104
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0
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$parser->YYData->{lineno} ++; |
105
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0
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return ($type, $str); |
106
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} |
107
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108
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sub _SingleStringLexer { |
109
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0
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0
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my ($parser) = @_; |
110
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0
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my $str = q{}; |
111
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0
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my $type = 'STRING_LITERAL'; |
112
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113
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0
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while ($parser->YYData->{INPUT}) { |
114
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115
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0
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for ($parser->YYData->{INPUT}) { |
116
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117
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0
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0
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s/^'// |
118
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and return ($type, $str); |
119
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120
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0
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0
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s/^([^'\\]+)// |
121
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and $str .= $1, |
122
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last; |
123
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124
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0
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0
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s/^\\(['"\\\/])// |
125
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and $str .= $1, # single quote, double quote, backslash, slash |
126
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last; |
127
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0
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0
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s/^\\b// |
128
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and $str .= "\b", # backspace |
129
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last; |
130
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0
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0
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s/^\\f// |
131
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and $str .= "\f", # form feed |
132
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last; |
133
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0
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0
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s/^\\n// |
134
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and $str .= "\n", # new line |
135
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last; |
136
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0
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0
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s/^\\r// |
137
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and $str .= "\r", # carriage return |
138
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last; |
139
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0
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0
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s/^\\t// |
140
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and $str .= "\t", # horizontal tab |
141
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last; |
142
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0
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0
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if ($type eq 'UTF8_STRING_LITERAL') { |
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, |
145
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last; |
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; |
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 $1, |
151
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last; |
152
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} |
153
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else { |
154
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0
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0
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if ($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
|
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
|
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
|
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 $1, |
177
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last; |
178
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} |
179
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} |
180
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0
|
0
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|
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if ($type eq 'UTF8_STRING_LITERAL') { |
181
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0
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0
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|
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s/^\\u([0-9A-Fa-f]{4})// |
182
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|
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and $str .= pack('U', hex $1), |
183
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last; |
184
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|
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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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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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|
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and $str .= pack('U', hex $1), |
189
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last; |
190
|
|
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|
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} |
191
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0
|
0
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|
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s/^\\// |
192
|
|
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|
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and $parser->Error("Invalid escape sequence $_ .\n"), |
193
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last; |
194
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} |
195
|
|
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|
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} |
196
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|
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197
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0
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$parser->Error("Untermined string.\n"); |
198
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0
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|
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$parser->YYData->{lineno} ++; |
199
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0
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|
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|
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|
return ($type, $str); |
200
|
|
|
|
|
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} |
201
|
|
|
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202
|
|
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|
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sub _Identifier { |
203
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0
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|
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0
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my ($parser, $ident) = @_; |
204
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|
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|
205
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0
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0
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|
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if (exists $parser->YYData->{keyword}{$ident}) { |
|
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0
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206
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0
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return ($parser->YYData->{keyword}{$ident}, $ident); |
207
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} |
208
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|
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|
|
elsif (exists $parser->YYData->{invalid_keyword}{$ident}) { |
209
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0
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|
$parser->Error("Invalid keyword '$ident'.\n"); |
210
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|
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} |
211
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0
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|
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return ('IDENTIFIER', $ident); |
212
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|
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|
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} |
213
|
|
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|
|
214
|
|
|
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|
|
sub _OctInteger { |
215
|
0
|
|
|
0
|
|
|
my ($parser, $str) = @_; |
216
|
|
|
|
|
|
|
|
217
|
0
|
|
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|
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|
my $val = 0; |
218
|
0
|
|
|
|
|
|
foreach (split //, $str) { |
219
|
0
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|
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|
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|
$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
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'case' => 'CASE', |
449
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'catch' => 'CATCH', |
450
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'class' => 'CLASS', |
451
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'const' => 'CONST', |
452
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'debugger' => 'DEBUGGER', |
453
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'default' => 'DEFAULT', |
454
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'do' => 'DO', |
455
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'enum' => 'ENUM', |
456
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'export' => 'EXPORT', |
457
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'extends' => 'EXTENDS', |
458
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'finally' => 'FINALLY', |
459
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'import' => 'IMPORT', |
460
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'private' => 'PRIVATE', |
461
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'public' => 'PUBLIC', |
462
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'sizeof' => 'SIZEOF', |
463
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'struct' => 'STRUCT', |
464
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'super' => 'SUPER', |
465
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'switch' => 'SWITCH', |
466
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'throw' => 'THROW', |
467
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'try' => 'TRY', |
468
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); |
469
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470
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0
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$parser->YYData->{keyword} = \%keywords; |
471
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0
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$parser->YYData->{invalid_keyword} = \%invalid_keywords; |
472
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0
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return; |
473
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} |
474
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475
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1; |
476
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