1 #!/usr/bin/ruby 2 # encoding: utf-8 3 4 require 'antlr3/test/functional' 5 6 class TestSyntacticPredicate < ANTLR3::Test::Functional 7 inline_grammar( <<-'END' ) 8 lexer grammar SyntacticPredicateGate; 9 options { 10 language = Ruby; 11 } 12 13 FOO 14 : ('ab')=> A 15 | ('ac')=> B 16 ; 17 18 fragment 19 A: 'a'; 20 21 fragment 22 B: 'a'; 23 END 24 25 example 'gating syntactic predicate rule' do 26 lexer = SyntacticPredicateGate::Lexer.new( 'ac' ) 27 token = lexer.next_token 28 end 29 30 31 end 32
