org.antlr.v4.test.runtime.templates.LeftRecursion.SemPredFailOption.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

TestType() ::= "Parser"

Options ::= [
	"Debug": false
]

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

Input() ::= "x y z"

Rule() ::= "s"

Output() ::= <<
(s (a (a x) y z))<\n>
>>

Errors() ::= <<
line 1:4 rule a custom message<\n>
>>

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