89 lines
2.7 KiB
C
89 lines
2.7 KiB
C
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#ifndef _INCLUDE_SOURCEMOD_FORWARDSYSTEM_H_
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#define _INCLUDE_SOURCEMOD_FORWARDSYSTEM_H_
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#include <IForwardSys.h>
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#include <IPluginSys.h>
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#include "sm_globals.h"
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#include <sh_list.h>
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#include <sh_stack.h>
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using namespace SourceHook;
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typedef List<IPluginFunction *>::iterator FuncIter;
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//:TODO: a global name max define for sourcepawn, should mirror compiler's sNAMEMAX
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#define FORWARDS_NAME_MAX 64
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struct NextCallInfo
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{
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unsigned int recopy[SP_MAX_EXEC_PARAMS];
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unsigned int sizes[SP_MAX_EXEC_PARAMS];
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cell_t *orig_addrs[SP_MAX_EXEC_PARAMS];
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unsigned int numrecopy;
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};
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class CForward : public IChangeableForward, IFunctionCopybackReader
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{
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public: //ICallable
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virtual int PushCell(cell_t cell);
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virtual int PushCellByRef(cell_t *cell, int flags);
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virtual int PushFloat(float number);
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virtual int PushFloatByRef(float *number, int flags);
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virtual int PushCells(cell_t array[], unsigned int numcells, bool each);
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virtual int PushArray(cell_t *inarray, unsigned int cells, cell_t **phys_addr, int flags);
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virtual int PushString(const char *string);
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virtual int PushStringByRef(char *string, int flags);
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virtual void Cancel();
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public: //IForward
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virtual const char *GetForwardName();
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virtual unsigned int GetFunctionCount();
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virtual ExecType GetExecType();
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virtual int Execute(cell_t *result, IForwardFilter *filter);
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public: //IChangeableForward
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virtual bool RemoveFunction(IPluginFunction *func);
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virtual unsigned int RemoveFunctionsOfPlugin(IPlugin *plugin);
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virtual bool AddFunction(IPluginFunction *func);
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virtual bool AddFunction(sp_context_t *ctx, funcid_t index);
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public: //IFunctionCopybackReader
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virtual bool OnCopybackArray(unsigned int param,
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unsigned int cells,
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cell_t *source_addr,
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cell_t *orig_addr,
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int flags);
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public:
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static CForward *CreateForward(const char *name,
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ExecType et,
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unsigned int num_params,
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ParamType *types,
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va_list ap);
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private:
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void DumpAdditionQueue();
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void _Int_PushArray(cell_t *inarray, unsigned int cells, int flags);
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inline int SetError(int err)
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{
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m_errstate = err;
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return err;
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}
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protected:
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/* :TODO: I want a caching list type here.
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* Destroying these things and using new/delete for their members feels bad.
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*/
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List<IPluginFunction *> m_functions;
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/* Type and name information */
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ParamType m_types[SP_MAX_EXEC_PARAMS];
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char m_name[FORWARDS_NAME_MAX+1];
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unsigned int m_numparams;
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bool m_varargs;
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ExecType m_ExecType;
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/* State information */
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unsigned int m_curparam;
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int m_errstate;
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CStack<NextCallInfo> m_NextStack;
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List<IPluginFunction *> m_AddQueue;
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NextCallInfo m_CopyBacks;
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};
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#endif //_INCLUDE_SOURCEMOD_FORWARDSYSTEM_H_
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