grammar org.Test1 with org.eclipse.xtext.common.Terminals generate test1 "http://www.Test1.org" program: m1=ent1 m2=ent2 ; ent1: m=ab ; ent2: m=cd ; ab: 'a'|'b' ; cd: 'c'|'d' ;
String text(program ele) { return "program " + ele.getM1().getM() + " " + ele.getM2().getM(); }