slots = new ArrayList();
slots = new HashMap();
    private void startPrototype(Attributes attrs)    {	current_prototype = attrs.getValue("name");	String name = fix_name(current_prototype, true);	String parent = attrs.getValue("prototype");	File out = new File(dir_name, name+".java");	try {	    FileWriter fw = new FileWriter(out);	    writer = new PrintWriter(fw);	} catch (java.io.IOException iox) {	    iox.printStackTrace();	    System.exit(-1);	}	beginPrototypeClass(name, parent);	slots = new ArrayList();    }