Grammar Hello world
import Test, Sample
expression : Letters inputsome SColon


parser grammar Test

inputsome : i = Identifiers {
                              $i.setText("INPUT_PATH#" + $i.text);
                                     }
lexer grammar Sample
Letters : 'letters'
Identifier :
  (
    'a'..'z'
    | 'A'..'Z'
    | '_'
  )
SColon : ';' ;