org.antlr.v4.test.runtime.templates.LeftRecursion.DirectCallToLeftRecursiveRule.stg Maven / Gradle / Ivy

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A collection of tests for ANTLR 4 Runtime libraries.

There is a newer version: 4.9.0

/*
 * This is a regression test for "Support direct calls to left-recursive
 * rules".
 * https://github.com/antlr/antlr4/issues/161
 */

TestType() ::= "Parser"

Options ::= [
	"Debug": false
]

Grammar ::= [
	"T": {}
]

Rule() ::= "a"

grammar(grammarName) ::= <<
grammar ;
a @after {} : a ID
  | ID
  ;
ID : 'a'..'z'+ ;
WS : (' '|'\n') -> skip ;
>>