@mike-lischke/antlr-tgen/resources/descriptors/SemPredEvalParser/ActionsHidePredsInGlobalFOLLOW.txt

A generator for antlr-ng runtime test cases

[notes]
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.

[type]
Parser

[grammar]
grammar T;
@parser::members {
<Declare_pred()>
}
s : e {} {<True():Invoke_pred()>}? {<writeln("\"parse\"")>} '!' ;
t : e {} {<False():Invoke_pred()>}? ID ;
e : ID | ; // non-LL(1) so we use ATN
ID : 'a'..'z'+ ;
INT : '0'..'9'+;
WS : (' '|'\n') -> skip ;

[start]
s

[input]
a!

[output]
eval=true
parse