public String interpretWC(Symtab st) {
		String result = "";
		if (parlist != null) {
			result += parlist.interpret();
			result += ", ";
		}
		String expType = exp.getType(st);
		if (expType.equals("String") || expType.equals("message"))
			result += exp.getValue();
		else
			result += "String.valueOf(" + exp.getValue() + ")";
		return result;
	}