public String toString() {
		switch (typecode) {
		case TC_LONG:
			return "long";
		case TC_FLOAT:
			return "float";
		case TC_DOUBLE:
			return "double";
		case TC_NULL:
			return "null";
		case TC_VOID:
			return "void";
		case TC_UNKNOWN:
			return "<unknown>";
		case TC_ERROR:
		default:
			return "<error>";
		}
	}