/* -*- Mode: java; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- * * The contents of this file are subject to the Netscape Public * License Version 1.1 (the "License"); you may not use this file * except in compliance with the License. You may obtain a copy of * the License at http://www.mozilla.org/NPL/ * * Software distributed under the License is distributed on an "AS * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or * implied. See the License for the specific language governing * rights and limitations under the License. * * The Original Code is Rhino code, released * May 6, 1999. * * The Initial Developer of the Original Code is Netscape * Communications Corporation.  Portions created by Netscape are * Copyright (C) 1997-1999 Netscape Communications Corporation. All * Rights Reserved. * * Contributor(s): * Igor Bukanov * * Alternatively, the contents of this file may be used under the * terms of the GNU Public License (the "GPL"), in which case the * provisions of the GPL are applicable instead of those above. * If you wish to allow use of your version of this file only * under the terms of the GPL and not to allow others to use your * version of this file under the NPL, indicate your decision by * deleting the provisions above and replace them with the notice * and other provisions required by the GPL.  If you do not delete * the provisions above, a recipient may use your version of this * file under either the NPL or the GPL. */package org.mozilla.javascript.continuations;import org.mozilla.javascript.*;public final class Continuation extends IdScriptableObject implements Function{    static final long serialVersionUID = 1794167133757605367L;    private static final Object FTAG = new Object();    private Object implementation;    public static void init(Scriptable scope, boolean sealed)    {        Continuation obj = new Continuation();        obj.exportAsJSClass(MAX_PROTOTYPE_ID, scope, sealed);    }    public Object getImplementation()    {        return implementation;    }    public void initImplementation(Object implementation)    {        this.implementation = implementation;    }    public String getClassName()    {        return "Continuation";    }    public Scriptable construct(Context cx, Scriptable scope, Object[] args)    {        throw Context.reportRuntimeError("Direct call is not supported");    }    public Object call(Context cx, Scriptable scope, Scriptable thisObj,                       Object[] args)    {        return Interpreter.restartContinuation(this, cx, scope, args);    }    public static boolean isContinuationConstructor(IdFunctionObject f)    {        if (f.hasTag(FTAG) && f.methodId() == Id_constructor) {            return true;        }        return false;    }    protected void initPrototypeId(int id)    {        String s;        int arity;        switch (id) {          case Id_constructor: arity=0; s="constructor"; break;          default: throw new IllegalArgumentException(String.valueOf(id));        }        initPrototypeMethod(FTAG, id, s, arity);    }    public Object execIdCall(IdFunctionObject f, Context cx, Scriptable scope,                             Scriptable thisObj, Object[] args)    {        if (!f.hasTag(FTAG)) {            return super.execIdCall(f, cx, scope, thisObj, args);        }        int id = f.methodId();        switch (id) {          case Id_constructor:            throw Context.reportRuntimeError("Direct call is not supported");        }        throw new IllegalArgumentException(String.valueOf(id));    }// #string_id_map#    protected int findPrototypeId(String s)    {        int id;// #generated# Last update: 2004-09-08 12:02:41 CEST        L0: { id = 0; String X = null;            if (s.length()==11) { X="constructor";id=Id_constructor; }            if (X!=null && X!=s && !X.equals(s)) id = 0;        }// #/generated#        return id;    }    private static final int        Id_constructor          = 1,        MAX_PROTOTYPE_ID        = 1;// #/string_id_map#}