@mike-lischke/antlr-tgen
Version:
A generator for antlr-ng runtime test cases
24 lines (18 loc) • 297 B
Plain Text
[type]
Parser
[grammar]
grammar T;
s : a a;
a : {<False()>}? ID INT {<writeln("\"alt 1\"")>}
| {<False()>}? ID INT {<writeln("\"alt 2\"")>}
;
ID : 'a'..'z'+ ;
INT : '0'..'9'+;
WS : (' '|'\n') -> skip ;
[start]
s
[input]
y 3 x 4
[errors]
"""line 1:0 no viable alternative at input 'y'
"""