@mike-lischke/antlr-tgen/resources/descriptors/Sets/OptionalSet.txt

A generator for antlr-ng runtime test cases

[type]
Parser

[grammar]
grammar T;
a : ('a'|'b')? 'c' {<InputText():writeln()>} ;

[start]
a

[input]
ac

[output]
"""ac
"""