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60 lines
2.2 KiB
Java
60 lines
2.2 KiB
Java
/* -*- Mode: java; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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*
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* The contents of this file are subject to the Netscape Public License
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* Version 1.0 (the "NPL"); you may not use this file except in
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* compliance with the NPL. You may obtain a copy of the NPL at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the NPL is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
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* for the specific language governing rights and limitations under the
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* NPL.
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*
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* The Initial Developer of this code under the NPL is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1997-1999 Netscape Communications Corporation. All Rights
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* Reserved.
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*/
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package org.mozilla.javascript;
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/**
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* This interface supports low-level new object debug hooks.
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* <p>
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* This interface can be implemented and used to hook JavaScript
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* object creation; i.e. calls for JavaScript constructor
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* functions. org.mozilla.javascript.debug.IDebugManager uses this
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* system and provides a higher level abstraction more appropriate
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* as a debugger API.
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*
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* @see org.mozilla.javascript.Context#setNewObjectHook
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* @see org.mozilla.javascript.debug.IDebugManager
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* @author John Bandhauer
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*/
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public interface DeepNewObjectHook
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{
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/**
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* Notification that a constructor is about to be called.
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*
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* @param cx current context
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* @param fun constructor function
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* @param args constructor arguments array
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* @return arbitrary object which is subsequently passed to postNewObject
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* @see org.mozilla.javascript.debug.NativeDelegate#newObjectDebug
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*/
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public Object preNewObject(Context cx, Object fun, Object[] args);
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/**
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* Notification that a constructor returned.
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*
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* @param cx current context
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* @param ref value returned from previous call to preNewObject
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* @param retVal value returned by the constructor (null if exception thrown)
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* @param e exception thrown by constructor (null if none thrown)
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* @see org.mozilla.javascript.debug.NativeDelegate#newObjectDebug
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*/
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public void postNewObject(Context cx, Object ref, Scriptable retVal,
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Exception e);
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}
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