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grammar t039labels;
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options {
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language = JavaScript;
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}
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a returns [l]
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: ids+=A ( ',' ids+=(A|B) )* C D w=. ids+=. F EOF
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{ l = [$ids, $w]; }
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;
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A: 'a'..'z';
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B: '0'..'9';
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C: a='A';
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D: a='FOOBAR';
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E: 'GNU' a=.;
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F: 'BLARZ' a=EOF;
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WS: ' '+ { $channel = HIDDEN };
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