// return value for refernce 'id' public Xobject Ref() { if (getStorageClass() == StorageClass.REG) return Xcons.Int(Xcode.REG, type, num); if (type.isFunction()) return value; if (value == null) { XmLog.fatal("value is null : " + toString()); } return Xcons.PointerRef(value); }