/* -*- 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. */// API classpackage org.mozilla.javascript;public class IdFunctionObject extends BaseFunction{    static final long serialVersionUID = -5332312783643935019L;    public IdFunctionObject(IdFunctionCall idcall, Object tag, int id, int arity)    {        if (arity < 0)            throw new IllegalArgumentException();        this.idcall = idcall;        this.tag = tag;        this.methodId = id;        this.arity = arity;        if (arity < 0) throw new IllegalArgumentException();    }    public IdFunctionObject(IdFunctionCall idcall, Object tag, int id,                            String name, int arity, Scriptable scope)    {        super(scope, null);        if (arity < 0)            throw new IllegalArgumentException();        if (name == null)            throw new IllegalArgumentException();        this.idcall = idcall;        this.tag = tag;        this.methodId = id;        this.arity = arity;        this.functionName = name;    }    public void initFunction(String name, Scriptable scope)    {        if (name == null) throw new IllegalArgumentException();        if (scope == null) throw new IllegalArgumentException();        this.functionName = name;        setParentScope(scope);    }    public final boolean hasTag(Object tag)    {        return this.tag == tag;    }    public final int methodId()    {        return methodId;    }    public final void markAsConstructor(Scriptable prototypeProperty)    {        useCallAsConstructor = true;        setImmunePrototypeProperty(prototypeProperty);    }    public final void addAsProperty(Scriptable target)    {        ScriptableObject.defineProperty(target, functionName, this,                                        ScriptableObject.DONTENUM);    }    public void exportAsScopeProperty()    {        addAsProperty(getParentScope());    }    public Scriptable getPrototype()    {        // Lazy initialization of prototype: for native functions this        // may not be called at all        Scriptable proto = super.getPrototype();        if (proto == null) {            proto = getFunctionPrototype(getParentScope());            setPrototype(proto);        }        return proto;    }    public Object call(Context cx, Scriptable scope, Scriptable thisObj,                       Object[] args)    {        return idcall.execIdCall(this, cx, scope, thisObj, args);    }    public Scriptable createObject(Context cx, Scriptable scope)    {        if (useCallAsConstructor) {            return null;        }        // Throw error if not explicitly coded to be used as constructor,        // to satisfy ECMAScript standard (see bugzilla 202019).        // To follow current (2003-05-01) SpiderMonkey behavior, change it to:        // return super.createObject(cx, scope);        throw ScriptRuntime.typeError1("msg.not.ctor", functionName);    }    String decompile(int indent, int flags)    {        StringBuffer sb = new StringBuffer();        boolean justbody = (0 != (flags & Decompiler.ONLY_BODY_FLAG));        if (!justbody) {            sb.append("function ");            sb.append(getFunctionName());            sb.append("() { ");        }        sb.append("[native code for ");        if (idcall instanceof Scriptable) {            Scriptable sobj = (Scriptable)idcall;            sb.append(sobj.getClassName());            sb.append('.');        }        sb.append(getFunctionName());        sb.append(", arity=");        sb.append(getArity());        sb.append(justbody ? "]\n" : "] }\n");        return sb.toString();    }    public int getArity()    {        return arity;    }    public int getLength() { return getArity(); }    public String getFunctionName()    {        return (functionName == null) ? "" : functionName;    }    public final RuntimeException unknown()    {        // It is program error to call id-like methods for unknown function        return new IllegalArgumentException(            "BAD FUNCTION ID="+methodId+" MASTER="+idcall);    }    private final IdFunctionCall idcall;    private final Object tag;    private final int methodId;    private int arity;    private boolean useCallAsConstructor;    private String functionName;}