sourcemod/sourcepawn/jit/sp_vm_function.h
2014-06-24 01:04:13 -07:00

107 lines
3.6 KiB
C++

/**
* vim: set ts=4 sw=4 tw=99 noet :
* =============================================================================
* SourcePawn
* 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>.
*/
#ifndef _INCLUDE_SOURCEMOD_BASEFUNCTION_H_
#define _INCLUDE_SOURCEMOD_BASEFUNCTION_H_
#include <sp_vm_api.h>
class BaseRuntime;
using namespace SourcePawn;
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 CPlugin;
class JitFunction;
class CFunction : public IPluginFunction
{
friend class SourcePawnEngine;
public:
CFunction(BaseRuntime *pRuntime,
funcid_t fnid,
uint32_t pub_id);
~CFunction();
public:
virtual int PushCell(cell_t cell);
virtual int PushCellByRef(cell_t *cell, int flags);
virtual int PushFloat(float number);
virtual int PushFloatByRef(float *number, int flags);
virtual int PushArray(cell_t *inarray, unsigned int cells, int copyback);
virtual int PushString(const char *string);
virtual int PushStringEx(char *buffer, size_t length, int sz_flags, int cp_flags);
virtual int Execute(cell_t *result);
virtual void Cancel();
virtual int CallFunction(const cell_t *params, unsigned int num_params, cell_t *result);
virtual IPluginContext *GetParentContext();
bool IsRunnable();
funcid_t GetFunctionID();
int Execute2(IPluginContext *ctx, cell_t *result);
int CallFunction2(IPluginContext *ctx,
const cell_t *params,
unsigned int num_params,
cell_t *result);
IPluginRuntime *GetParentRuntime();
public:
const char *FullName() const {
return full_name_;
}
sp_public_t *Public() const {
return public_;
}
private:
int _PushString(const char *string, int sz_flags, int cp_flags, size_t len);
int SetError(int err);
private:
BaseRuntime *m_pRuntime;
cell_t m_params[SP_MAX_EXEC_PARAMS];
ParamInfo m_info[SP_MAX_EXEC_PARAMS];
unsigned int m_curparam;
int m_errorstate;
funcid_t m_FnId;
char *full_name_;
sp_public_t *public_;
};
#endif //_INCLUDE_SOURCEMOD_BASEFUNCTION_H_