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