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32 lines
507 B
32 lines
507 B
#!/usr/bin/ruby
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# encoding: utf-8
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require 'antlr3/test/functional'
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class TestSyntacticPredicate < ANTLR3::Test::Functional
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inline_grammar( <<-'END' )
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lexer grammar SyntacticPredicateGate;
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options {
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language = Ruby;
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}
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FOO
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: ('ab')=> A
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| ('ac')=> B
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;
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fragment
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A: 'a';
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fragment
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B: 'a';
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END
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example 'gating syntactic predicate rule' do
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lexer = SyntacticPredicateGate::Lexer.new( 'ac' )
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token = lexer.next_token
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end
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end
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