path: root/trunk/infrastructure/rhino1_7R1/src/org/mozilla/javascript/RefCallable.java

/* -*- Mode: java; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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 * ***** BEGIN LICENSE BLOCK *****
 * Version: MPL 1.1/GPL 2.0
 *
 * The contents of this file are subject to the Mozilla 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
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 *
 * 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 the Initial Developer are Copyright (C) 1997-1999
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *   Igor Bukanov, igor@mir2.org
 *
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 * the GNU General Public License Version 2 or later (the "GPL"), in which
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package org.mozilla.javascript;

/**
 * Object that can allows assignments to the result of function calls.
 */
public interface RefCallable extends Callable
{
    /**
     * Perform function call in reference context.
     * The args array reference should not be stored in any object that is
     * can be GC-reachable after this method returns. If this is necessary,
     * for example, to implement {@link Ref} methods, then store args.clone(),
     * not args array itself.
     *
     * @param cx the current Context for this thread
     * @param thisObj the JavaScript <code>this</code> object
     * @param args the array of arguments
     */
    public Ref refCall(Context cx, Scriptable thisObj, Object[] args);
}