/**

  * vim: set ts=4 :

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

  * SourcePawn

  * Copyright (C) 2004-2008 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_SOURCEPAWN_BASECONTEXT_H_

 #define _INCLUDE_SOURCEPAWN_BASECONTEXT_H_

 #include "sp_vm_api.h"

 #include "sp_vm_function.h"

 #include "BaseRuntime.h"

 #include "jit_shared.h"

 /**

  * :TODO: Make functions allocate as a lump instead of individual allocations!

  */

 class BaseContext : public IPluginContext

 {

 public:

 	BaseContext(BaseRuntime *pRuntime);

 	~BaseContext();

 public: //IPluginContext

 	IVirtualMachine *GetVirtualMachine();

 	sp_context_t *GetContext();

 	sp_context_t *GetCtx();

 	bool IsDebugging();

 	int SetDebugBreak(void *newpfn, void *oldpfn);

 	IPluginDebugInfo *GetDebugInfo();

 	int HeapAlloc(unsigned int cells, cell_t *local_addr, cell_t **phys_addr);

 	int HeapPop(cell_t local_addr);

 	int HeapRelease(cell_t local_addr);

 	int FindNativeByName(const char *name, uint32_t *index);

 	int GetNativeByIndex(uint32_t index, sp_native_t **native);

 	uint32_t GetNativesNum();

 	int FindPublicByName(const char *name, uint32_t *index);

 	int GetPublicByIndex(uint32_t index, sp_public_t **publicptr);

 	uint32_t GetPublicsNum();

 	int GetPubvarByIndex(uint32_t index, sp_pubvar_t **pubvar);

 	int FindPubvarByName(const char *name, uint32_t *index);

 	int GetPubvarAddrs(uint32_t index, cell_t *local_addr, cell_t **phys_addr);

 	uint32_t GetPubVarsNum();

 	int LocalToPhysAddr(cell_t local_addr, cell_t **phys_addr);

 	int LocalToString(cell_t local_addr, char **addr);

 	int StringToLocal(cell_t local_addr, size_t chars, const char *source);

 	int StringToLocalUTF8(cell_t local_addr, size_t maxbytes, const char *source, size_t *wrtnbytes);

 	int PushCell(cell_t value);

 	int PushCellArray(cell_t *local_addr, cell_t **phys_addr, cell_t array[], unsigned int numcells);

 	int PushString(cell_t *local_addr, char **phys_addr, const char *string);

 	int PushCellsFromArray(cell_t array[], unsigned int numcells);

 	int BindNatives(const sp_nativeinfo_t *natives, unsigned int num, int overwrite);

 	int BindNative(const sp_nativeinfo_t *native);

 	int BindNativeToAny(SPVM_NATIVE_FUNC native);

 	int Execute(uint32_t code_addr, cell_t *result);

 	cell_t ThrowNativeErrorEx(int error, const char *msg, ...);

 	cell_t ThrowNativeError(const char *msg, ...);

 	IPluginFunction *GetFunctionByName(const char *public_name);

 	IPluginFunction *GetFunctionById(funcid_t func_id);

 	SourceMod::IdentityToken_t *GetIdentity();

 	cell_t *GetNullRef(SP_NULL_TYPE type);

 	int LocalToStringNULL(cell_t local_addr, char **addr);

 	int BindNativeToIndex(uint32_t index, SPVM_NATIVE_FUNC native);

 	int Execute2(IPluginFunction *function, const cell_t *params, unsigned int num_params, cell_t *result);

 	IPluginRuntime *GetRuntime();

 	int GetLastNativeError();

 	cell_t *GetLocalParams();

 	void SetKey(int k, void *value);

 	bool GetKey(int k, void **value);

 	void Refresh();

 	void ClearLastNativeError();

 public:

 	bool IsInExec();

 private:

 	void SetErrorMessage(const char *msg, va_list ap);

 	void _SetErrorMessage(const char *msg, ...);

 private:

 	cell_t *m_pNullVec;

 	cell_t *m_pNullString;

 	char m_MsgCache[1024];

 	bool m_CustomMsg;

 	bool m_InExec;

 	BaseRuntime *m_pRuntime;

 	sp_context_t m_ctx;

 	void *m_keys[4];

 	bool m_keys_set[4];

 };

 #endif //_INCLUDE_SOURCEPAWN_BASECONTEXT_H_