/**

 * vim: set ts=4 :

 * ================================================================

 * SourceMod BinTools Extension

 * Copyright (C) 2004-2007 AlliedModders LLC.  All rights reserved.

 * ================================================================

 *

 * This program is free software; you can redistribute it and/or 

 * modify it under the terms of the GNU General Public License, 

 * version 3.0, as published by the Free Software Foundation.

 * 

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program.  If not, see <http://www.gnu.org/licenses/>.

 *

 * As a special exception, AlliedModders LLC gives you permission to 

 * link the code of this program (as well as its derivative works) to 

 * "Half-Life 2," the "Source Engine," the "SourcePawn JIT," and any 

 * Game MODs that run on software by the Valve Corporation.  You must 

 * obey the GNU General Public License in all respects for all other 

 * code used. Additionally, AlliedModders LLC grants this exception 

 * to all derivative works. AlliedModders LLC defines further 

 * exceptions, found in LICENSE.txt (as of this writing, version 

 * JULY-31-2007), or <http://www.sourcemod.net/license.php>.

 *

 * Version: $Id$

 */

#ifndef _INCLUDE_SOURCEMOD_CCALLWRAPPER_H_

#define _INCLUDE_SOURCEMOD_CCALLWRAPPER_H_

#include <IBinTools.h>

using namespace SourceMod;

#define ADDR_CALLEE			0

#define ADDR_CODEBASE		1

struct VtableInfo 

{

	unsigned int vtblIdx;

	unsigned int vtblOffs;

	unsigned int thisOffs;

};

class CallWrapper : public ICallWrapper

{

public:

	CallWrapper(CallConvention cv, const PassInfo *paramInfo, const PassInfo *retInfo, unsigned int numParams);

	~CallWrapper();

public: //ICallWrapper

	CallConvention GetCallConvention();

	const PassEncode *GetParamInfo(unsigned int num);

	const PassInfo *GetReturnInfo();

	unsigned int GetParamCount();

	void Execute(void *vParamStack, void *retBuffer);

	void Destroy();

public:

	inline void deleteThis() { delete this; }

	void *m_Addrs[4];

	VtableInfo m_VtInfo;

private:

	CallConvention m_Cv;

	PassEncode *m_Params;

	PassInfo *m_RetParam;

	unsigned int m_NumParams;

};

#endif //_INCLUDE_SOURCEMOD_CCALLWRAPPER_H_