package Ann.Absyn; // Java Package generated by the BNF Converter. public abstract class Exp implements java.io.Serializable { public abstract R accept(Exp.Visitor v, A arg); public interface Visitor { public R visit(Ann.Absyn.EInt p, A arg); public R visit(Ann.Absyn.EDouble p, A arg); public R visit(Ann.Absyn.EVar p, A arg); public R visit(Ann.Absyn.EArith p, A arg); public R visit(Ann.Absyn.EI2D p, A arg); } }