dvander@371: /**
ds@653:  * vim: set ts=4 :
dvander@371:  * ================================================================
dvander@371:  * SourcePawn (C)2004-2007 AlliedModders LLC.  All rights reserved.
dvander@371:  * ================================================================
dvander@371:  *
dvander@371:  * This file is not open source and may not be copied without explicit
dvander@371:  * written permission of AlliedModders LLC.  This file may not be redistributed 
dvander@371:  * in whole or significant part.
dvander@371:  * For information, see LICENSE.txt or http://www.sourcemod.net/license.php
dvander@371:  *
dvander@371:  * Version: $Id$
dvander@371:  */
dvander@371: 
dvander@327: #ifndef _INCLUDE_SOURCEMOD_BASEFUNCTION_H_
dvander@327: #define _INCLUDE_SOURCEMOD_BASEFUNCTION_H_
dvander@327: 
dvander@327: #include "sm_globals.h"
dvander@327: 
dvander@327: struct ParamInfo
dvander@327: {
dvander@327: 	int flags;			/* Copy-back flags */
dvander@327: 	bool marked;		/* Whether this is marked as being used */
dvander@327: 	cell_t local_addr;	/* Local address to free */
dvander@327: 	cell_t *phys_addr;	/* Physical address of our copy */
dvander@327: 	cell_t *orig_addr;	/* Original address to copy back to */
dvander@327: 	ucell_t size;		/* Size of array in bytes */
dvander@589: 	struct
dvander@589: 	{
dvander@589: 		bool is_sz;		/* is a string */
dvander@589: 		int sz_flags;	/* has sz flags */
dvander@589: 	} str;
dvander@327: };
dvander@327: 
dvander@327: class CPlugin;
dvander@327: 
dvander@327: class CFunction : public IPluginFunction
dvander@327: {
dvander@327: 	friend class SourcePawnEngine;
dvander@327: public:
dvander@348: 	CFunction(uint32_t code_addr, IPluginContext *pContext);
dvander@327: public:
dvander@327: 	virtual int PushCell(cell_t cell);
ds@585: 	virtual int PushCellByRef(cell_t *cell, int flags);
dvander@327: 	virtual int PushFloat(float number);
ds@585: 	virtual int PushFloatByRef(float *number, int flags);
dvander@589: 	virtual int PushArray(cell_t *inarray, unsigned int cells, int copyback);
dvander@327: 	virtual int PushString(const char *string);
dvander@327: 	virtual int PushStringEx(char *buffer, size_t length, int sz_flags, int cp_flags);
dvander@327: 	virtual int Execute(cell_t *result);
dvander@327: 	virtual void Cancel();
dvander@327: 	virtual int CallFunction(const cell_t *params, unsigned int num_params, cell_t *result);
dvander@327: 	virtual IPluginContext *GetParentContext();
dvander@502: 	inline bool IsInvalidated()
dvander@502: 	{
dvander@502: 		return m_Invalid;
dvander@502: 	}
dvander@502: 	inline void Invalidate()
dvander@502: 	{
dvander@502: 		m_Invalid = true;
dvander@502: 	}
dvander@525: 	bool IsRunnable();
dvander@327: public:
dvander@348: 	void Set(uint32_t code_addr, IPluginContext *plugin);
dvander@327: private:
dvander@327: 	int _PushString(const char *string, int sz_flags, int cp_flags, size_t len);
dvander@327: 	inline int SetError(int err)
dvander@327: 	{
dvander@327: 		m_errorstate = err;
dvander@327: 		return err;
dvander@327: 	}
dvander@327: private:
dvander@348: 	uint32_t m_codeaddr;
dvander@327: 	IPluginContext *m_pContext;
dvander@525: 	sp_context_t *m_pCtx;
dvander@327: 	cell_t m_params[SP_MAX_EXEC_PARAMS];
dvander@327: 	ParamInfo m_info[SP_MAX_EXEC_PARAMS];
dvander@327: 	unsigned int m_curparam;
dvander@327: 	int m_errorstate;
dvander@327: 	CFunction *m_pNext;
dvander@502: 	bool m_Invalid;
dvander@327: };
dvander@327: 
dvander@327: #endif //_INCLUDE_SOURCEMOD_BASEFUNCTION_H_