xref: /aoo4110/main/basic/source/inc/codegen.hxx (revision b1cdbd2c)
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21 
22 
23 
24 #ifndef _CODEGEN_HXX
25 #define _CODEGEN_HXX
26 
27 class SbiImage;
28 class SbiParser;
29 class SbModule;
30 #include "opcodes.hxx"
31 #include "buffer.hxx"
32 
33 class SbiCodeGen { 				// Code-Erzeugung:
34 	SbiParser* pParser;			// fuer Fehlermeldungen, Line, Column etc.
35 	SbModule& rMod;				// aktuelles Modul
36 	SbiBuffer aCode;	  			// Code-Puffer
37 	short  nLine, nCol;			// Zeile, Spalte fuer Stmnt-Befehl
38 	short  nForLevel;			// #29955 for-Schleifen-Ebene
39 	sal_Bool bStmnt;				// sal_True: Statement-Opcode liegt an
40 public:
41 	SbiCodeGen( SbModule&, SbiParser*, short );
GetParser()42 	SbiParser* GetParser() { return pParser; }
GetModule()43 	SbModule& GetModule() { return rMod; }
44 	sal_uInt32 Gen( SbiOpcode );
45 	sal_uInt32 Gen( SbiOpcode, sal_uInt32 );
46 	sal_uInt32 Gen( SbiOpcode, sal_uInt32, sal_uInt32 );
Patch(sal_uInt32 o,sal_uInt32 v)47 	void Patch( sal_uInt32 o, sal_uInt32 v ){ aCode.Patch( o, v ); }
BackChain(sal_uInt32 off)48 	void BackChain( sal_uInt32 off )	{ aCode.Chain( off );  }
49 	void Statement();
50 	void GenStmnt();			// evtl. Statement-Opcode erzeugen
51 	sal_uInt32 GetPC();
GetOffset()52 	sal_uInt32 GetOffset()				{ return GetPC() + 1; }
53 	void Save();
54 
55 	// #29955 for-Schleifen-Ebene pflegen
IncForLevel(void)56 	void IncForLevel( void ) { nForLevel++; }
DecForLevel(void)57 	void DecForLevel( void ) { nForLevel--; }
58 
59 	static sal_uInt32 calcNewOffSet( sal_uInt8* pCode, sal_uInt16 nOffset );
60 	static sal_uInt16 calcLegacyOffSet( sal_uInt8* pCode, sal_uInt32 nOffset );
61 
62 };
63 
64 template < class T, class S >
65 class PCodeBuffConvertor
66 {
67 	T m_nSize; //
68 	sal_uInt8* m_pStart;
69 	sal_uInt8* m_pCnvtdBuf;
70 	S m_nCnvtdSize; //
71 
72 	//  Disable usual copying symantics and bodgy default ctor
73 	PCodeBuffConvertor();
74 	PCodeBuffConvertor(const PCodeBuffConvertor& );
75 	PCodeBuffConvertor& operator = ( const PCodeBuffConvertor& );
76 public:
PCodeBuffConvertor(sal_uInt8 * pCode,T nSize)77 	PCodeBuffConvertor( sal_uInt8* pCode, T nSize ): m_nSize( nSize ),  m_pStart( pCode ), m_pCnvtdBuf( NULL ), m_nCnvtdSize( 0 ){ convert(); }
GetSize()78 	S GetSize(){ return m_nCnvtdSize; }
79 	void convert();
80 	// Caller owns the buffer returned
GetBuffer()81 	sal_uInt8* GetBuffer() { return m_pCnvtdBuf; }
82 };
83 
84 // #111897 PARAM_INFO flags start at 0x00010000 to not
85 // conflict with DefaultId in SbxParamInfo::nUserData
86 #define PARAM_INFO_PARAMARRAY		0x0010000
87 #define PARAM_INFO_WITHBRACKETS		0x0020000
88 
89 #endif
90