@mike-lischke/antlr-tgen/resources/descriptors/LeftRecursion/PrefixAndOtherAlt_1.txt

A generator for antlr-ng runtime test cases

[type]
Parser

[grammar]
grammar T;
s @after {<ToStringTree("$ctx"):writeln()>} : expr EOF ;
expr : literal
     | op expr
     | expr op expr
     ;
literal : '-'? Integer ;
op : '+' | '-' ;
Integer : [0-9]+ ;
WS : (' '|'\n') -> skip ;

[start]
s

[input]
-1

[output]
"""(s (expr (literal - 1)) <EOF>)
"""