org.antlr.v4.test.runtime.templates.SemPredEvalParser.ActionsHidePredsInGlobalFOLLOW.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

/** Regular non-forced actions can create side effects used by semantic
 *  predicates and so we cannot evaluate any semantic predicate
 *  encountered after having seen a regular action. This includes
 *  during global follow operations.
 */

TestType() ::= "Parser"

Options ::= [
	"Debug": false
]

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

Input() ::= "a!"

Rule() ::= "s"

Output() ::= <<
eval=true
parse<\n>
>>

Errors() ::= ""

grammar(grammarName) ::= <<
grammar ;
@parser::members {

}
s : e {} {}? {} '!' ;
t : e {} {}? ID ;
e : ID | ; // non-LL(1) so we use ATN
ID : 'a'..'z'+ ;
INT : '0'..'9'+;
WS : (' '|'\n') -> skip ;
>>