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 * OpenOffice.org - a multi-platform office productivity suite
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 * $RCSfile: codegen.hxx,v $
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#ifndef _CODEGEN_HXX
#define _CODEGEN_HXX

/*?*/ // #include "opcodes.hxx"
/*?*/ // #include "buffer.hxx"

namespace binfilter {

class SbiImage;
class SbiParser;
class SbModule;

class SbiCodeGen { 				// Code-Erzeugung:
/*?*/ // 	SbiParser* pParser;			// fuer Fehlermeldungen, Line, Column etc.
/*?*/ // 	SbModule& rMod;				// aktuelles Modul
/*?*/ // 	SbiBuffer aCode;	  			// Code-Puffer
/*?*/ // 	short  nLine, nCol;			// Zeile, Spalte fuer Stmnt-Befehl
/*?*/ // 	short  nForLevel;			// #29955 for-Schleifen-Ebene
/*?*/ // 	BOOL bStmnt;				// TRUE: Statement-Opcode liegt an
public:
/*?*/ // 	SbiCodeGen( SbModule&, SbiParser*, short );
/*?*/ // 	SbiParser* GetParser() { return pParser; }
/*?*/ // 	UINT32 Gen( SbiOpcode );
/*?*/ // 	UINT32 Gen( SbiOpcode, UINT32 );
/*?*/ // 	UINT32 Gen( SbiOpcode, UINT32, UINT32 );
/*?*/ // 	void Patch( UINT32 o, UINT32 v ){ aCode.Patch( o, v ); }
/*?*/ // 	void BackChain( UINT32 off )	{ aCode.Chain( off );  }
/*?*/ // 	void Statement();
/*?*/ // 	void GenStmnt();			// evtl. Statement-Opcode erzeugen
/*?*/ // 	UINT32 GetPC();
/*?*/ // 	UINT32 GetOffset()				{ return GetPC() + 1; }
/*?*/ // 	void Save();
/*?*/ // 
/*?*/ // 	// #29955 for-Schleifen-Ebene pflegen
/*?*/ // 	void IncForLevel( void ) { nForLevel++; }
/*?*/ // 	void DecForLevel( void ) { nForLevel--; }
/*?*/ // 
    static UINT32 calcNewOffSet( BYTE* pCode, UINT16 nOffset );
    static UINT16 calcLegacyOffSet( BYTE* pCode, UINT32 nOffset );
/*?*/ // 
};

template < class T, class S >
class PCodeBuffConvertor 
{
	T m_nSize; // 
	BYTE* m_pStart;
	BYTE* m_pCnvtdBuf;
	S m_nCnvtdSize; // 

	//  Disable usual copying symantics and bodgy default ctor
	PCodeBuffConvertor(); 
	PCodeBuffConvertor(const PCodeBuffConvertor& );
	PCodeBuffConvertor& operator = ( const PCodeBuffConvertor& );
public:
	PCodeBuffConvertor( BYTE* pCode, T nSize ): m_nSize( nSize ),  m_pStart( pCode ), m_pCnvtdBuf( NULL ), m_nCnvtdSize( 0 ){ convert(); }
	S GetSize(){ return m_nCnvtdSize; }
	void convert();
	// Caller owns the buffer returned
	BYTE* GetBuffer() { return m_pCnvtdBuf; }
};

// #111897 PARAM_INFO flags start at 0x00010000 to not
// conflict with DefaultId in SbxParamInfo::nUserData
#define PARAM_INFO_PARAMARRAY	0x0010000

}

#endif
