@mike-lischke/antlr-tgen

Version:

A generator for antlr-ng runtime test cases

28 lines (22 loc) • 263 B

Plain Text

[type]
Parser

[grammar]
grammar T;
s : a {<writeln("\"alt 1\"")>}
  | b {<writeln("\"alt 2\"")>}
  ;
a : {<False()>}? ID INT
  | ID INT
  ;
b : ID ID
  ;
ID : 'a'..'z'+ ;
INT : '0'..'9'+;
WS : (' '|'\n') -> skip ;

[start]
s

[input]
x 4

[output]
"""alt 1
"""