sourcemod/core/NativeInvoker.h

99 lines
3.4 KiB
C++

/**
* vim: set ts=4 :
* =============================================================================
* SourceMod
* Copyright (C) 2004-2009 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_NATIVE_INVOKER_H_
#define _INCLUDE_SOURCEMOD_NATIVE_INVOKER_H_
#include "sm_globals.h"
#include <INativeInvoker.h>
struct ParamInfo
{
int flags; /* Copy-back flags */
bool marked; /* Whether this is marked as being used */
cell_t local_addr; /* Local address to free */
cell_t *phys_addr; /* Physical address of our copy */
cell_t *orig_addr; /* Original address to copy back to */
ucell_t size; /* Size of array in bytes */
struct
{
bool is_sz; /* is a string */
int sz_flags; /* has sz flags */
} str;
};
class NativeInvoker : public INativeInvoker
{
public:
NativeInvoker();
~NativeInvoker();
public: /* ICallable */
int PushCell(cell_t cell);
int PushCellByRef(cell_t *cell, int flags=SM_PARAM_COPYBACK);
int PushFloat(float number);
int PushFloatByRef(float *number, int flags=SM_PARAM_COPYBACK);
int PushArray(cell_t *inarray, unsigned int cells, int flags=0);
int PushString(const char *string);
int PushStringEx(char *buffer, size_t length, int sz_flags, int cp_flags);
void Cancel();
public: /* INativeInvoker */
bool Start(IPluginContext *pContext, const char *name);
int Invoke(cell_t *result);
private:
int _PushString(const char *string, int sz_flags, int cp_flags, size_t len);
int SetError(int err);
private:
IPluginContext *pContext;
SPVM_NATIVE_FUNC native;
cell_t m_params[SP_MAX_EXEC_PARAMS];
ParamInfo m_info[SP_MAX_EXEC_PARAMS];
unsigned int m_curparam;
int m_errorstate;
};
class NativeInterface :
public INativeInterface,
public SMGlobalClass
{
public: /* SMGlobalClass */
void OnSourceModAllInitialized();
public: /* SMInterface */
unsigned int GetInterfaceVersion();
const char *GetInterfaceName();
public: /* INativeInvoker */
IPluginRuntime *CreateRuntime(const char *name, size_t bytes);
INativeInvoker *CreateInvoker();
};
extern NativeInterface g_NInvoke;
#endif /* _INCLUDE_SOURCEMOD_NATIVE_INVOKER_H_ */