sourcepawn/jit/sp_vm_function.h
changeset 2193 db7c6362f3f2
child 2226 d10b38524be3
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/sourcepawn/jit/sp_vm_function.h	Fri Jul 11 08:18:43 2008 +0000
     1.3 @@ -0,0 +1,104 @@
     1.4 +/**
     1.5 + * vim: set ts=4 :
     1.6 + * =============================================================================
     1.7 + * SourcePawn
     1.8 + * Copyright (C) 2004-2008 AlliedModders LLC.  All rights reserved.
     1.9 + * =============================================================================
    1.10 + *
    1.11 + * This program is free software; you can redistribute it and/or modify it under
    1.12 + * the terms of the GNU General Public License, version 3.0, as published by the
    1.13 + * Free Software Foundation.
    1.14 + * 
    1.15 + * This program is distributed in the hope that it will be useful, but WITHOUT
    1.16 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
    1.17 + * FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
    1.18 + * details.
    1.19 + *
    1.20 + * You should have received a copy of the GNU General Public License along with
    1.21 + * this program.  If not, see <http://www.gnu.org/licenses/>.
    1.22 + *
    1.23 + * As a special exception, AlliedModders LLC gives you permission to link the
    1.24 + * code of this program (as well as its derivative works) to "Half-Life 2," the
    1.25 + * "Source Engine," the "SourcePawn JIT," and any Game MODs that run on software
    1.26 + * by the Valve Corporation.  You must obey the GNU General Public License in
    1.27 + * all respects for all other code used.  Additionally, AlliedModders LLC grants
    1.28 + * this exception to all derivative works.  AlliedModders LLC defines further
    1.29 + * exceptions, found in LICENSE.txt (as of this writing, version JULY-31-2007),
    1.30 + * or <http://www.sourcemod.net/license.php>.
    1.31 + *
    1.32 + * Version: $Id$
    1.33 + */
    1.34 +
    1.35 +#ifndef _INCLUDE_SOURCEMOD_BASEFUNCTION_H_
    1.36 +#define _INCLUDE_SOURCEMOD_BASEFUNCTION_H_
    1.37 +
    1.38 +#include <sp_vm_api.h>
    1.39 +
    1.40 +class BaseRuntime;
    1.41 +
    1.42 +using namespace SourcePawn;
    1.43 +
    1.44 +struct ParamInfo
    1.45 +{
    1.46 +	int flags;			/* Copy-back flags */
    1.47 +	bool marked;		/* Whether this is marked as being used */
    1.48 +	cell_t local_addr;	/* Local address to free */
    1.49 +	cell_t *phys_addr;	/* Physical address of our copy */
    1.50 +	cell_t *orig_addr;	/* Original address to copy back to */
    1.51 +	ucell_t size;		/* Size of array in bytes */
    1.52 +	struct
    1.53 +	{
    1.54 +		bool is_sz;		/* is a string */
    1.55 +		int sz_flags;	/* has sz flags */
    1.56 +	} str;
    1.57 +};
    1.58 +
    1.59 +class CPlugin;
    1.60 +
    1.61 +class CFunction : public IPluginFunction
    1.62 +{
    1.63 +	friend class SourcePawnEngine;
    1.64 +public:
    1.65 +	CFunction(uint32_t code_addr,
    1.66 +			  BaseRuntime *pRuntime, 
    1.67 +			  funcid_t fnid,
    1.68 +			  uint32_t pub_id);
    1.69 +public:
    1.70 +	virtual int PushCell(cell_t cell);
    1.71 +	virtual int PushCellByRef(cell_t *cell, int flags);
    1.72 +	virtual int PushFloat(float number);
    1.73 +	virtual int PushFloatByRef(float *number, int flags);
    1.74 +	virtual int PushArray(cell_t *inarray, unsigned int cells, int copyback);
    1.75 +	virtual int PushString(const char *string);
    1.76 +	virtual int PushStringEx(char *buffer, size_t length, int sz_flags, int cp_flags);
    1.77 +	virtual int Execute(cell_t *result);
    1.78 +	virtual void Cancel();
    1.79 +	virtual int CallFunction(const cell_t *params, unsigned int num_params, cell_t *result);
    1.80 +	virtual IPluginContext *GetParentContext();
    1.81 +	bool IsInvalidated();
    1.82 +	void Invalidate();
    1.83 +	bool IsRunnable();
    1.84 +	funcid_t GetFunctionID();
    1.85 +	int Execute2(IPluginContext *ctx, cell_t *result);
    1.86 +	int CallFunction2(IPluginContext *ctx, 
    1.87 +		const cell_t *params, 
    1.88 +		unsigned int num_params, 
    1.89 +		cell_t *result);
    1.90 +public:
    1.91 +	void Set(uint32_t code_addr, BaseRuntime *runtime, funcid_t fnid, uint32_t pub_id);
    1.92 +private:
    1.93 +	int _PushString(const char *string, int sz_flags, int cp_flags, size_t len);
    1.94 +	int SetError(int err);
    1.95 +private:
    1.96 +	uint32_t m_codeaddr;
    1.97 +	BaseRuntime *m_pRuntime;
    1.98 +	cell_t m_params[SP_MAX_EXEC_PARAMS];
    1.99 +	ParamInfo m_info[SP_MAX_EXEC_PARAMS];
   1.100 +	unsigned int m_curparam;
   1.101 +	int m_errorstate;
   1.102 +	CFunction *m_pNext;
   1.103 +	bool m_Invalid;
   1.104 +	funcid_t m_FnId;
   1.105 +};
   1.106 +
   1.107 +#endif //_INCLUDE_SOURCEMOD_BASEFUNCTION_H_