/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
 *
 * 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 mozilla.org code.
 *
 * The Initial Developer of the Original Code is Netscape
 * Communications Corporation.  Portions created by Netscape are
 * Copyright (C) 1998 Netscape Communications Corporation. All
 * Rights Reserved.
 *
 * Contributor(s): 
 */
// Breakpoint.h
//
// Scott M. Silver

#include <Windows.h>
#include "Vector.h"

class DebugeeThread;
class DebugeeProcess;
class Breakpoint;

class BreakpointManager
{
	static Vector<Breakpoint*>	sBreakpoints;

public:
	static Breakpoint&			newBreakpoint(DebugeeProcess& inProcess, void* inWhere, bool inGlobal = false, bool inEnabled = true);
	static Breakpoint&			newBreakpoint(DebugeeThread& inThread, void* inWhere, bool inGlobal = false, bool inEnabled = true);
	static Breakpoint*			findBreakpoint(void* inAddress);
	static Vector<Breakpoint*>& getBreakpoints() { return (sBreakpoints); }
};

class Breakpoint
{
	friend	class BreakpointManager;

	void*			mAddress;
	BYTE			mReplacedCode;
	bool			mEnabled;
	bool			mGlobal;
	DebugeeThread&	mThread;

					Breakpoint(DebugeeThread& inThread, void* inWhere, bool inGlobal = false, bool inEnabled = true) :
						mAddress(inWhere),
						mEnabled(inEnabled),
						mGlobal(inGlobal),
						mThread(inThread) { }
public:
	bool			getEnabled() const { return (mEnabled); }
	void			setEnabled(bool inEnabled) { mEnabled = inEnabled; }
	DebugeeThread&	getThread() const { return (mThread); }
	
	BYTE			getReplaced() { assert(mEnabled); return (mReplacedCode); }
	void			replace();
	void			set();
};

Breakpoint*		findFreeBreakpoint();