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If not, see * * for a copy of the LGPLv3 License. * ************************************************************************/ #ifndef _SYMTBL_HXX #define _SYMTBL_HXX #include #include #include #include class SbiSymDef; // Basisklasse class SbiProcDef; // Prozedur class SbiConstDef; // Konstante class SbiSymPool; // Symbol-Pool class SbiStringPool; // gepoolte Strings class SvStream; class SbiParser; enum SbiSymScope { SbLOCAL, SbPARAM, SbPUBLIC, SbGLOBAL, SbRTL }; /////////////////////////////////////////////////////////////////////////// // Der String-Pool nimmt String-Eintraege auf und sorgt dafuer, // dass sie nicht doppelt vorkommen. SV_DECL_PTRARR_DEL(SbiStrings,String*,5,5) class SbiStringPool { // String-Pool SbiStrings aData; // Daten String aEmpty; // for convenience SbiParser* pParser; // der Parser public: SbiStringPool( SbiParser* ); ~SbiStringPool(); USHORT GetSize() const { return aData.Count(); } // AB 8.4.1999, Default wegen #64236 auf TRUE geaendert // Wenn der Bug sauber behoben ist, wieder auf FALSE aendern. short Add( const String&, BOOL=TRUE ); short Add( double, SbxDataType ); const String& Find( USHORT ) const; SbiParser* GetParser() { return pParser; } }; /////////////////////////////////////////////////////////////////////////// SV_DECL_PTRARR_DEL(SbiSymbols,SbiSymDef*,5,5) class SbiSymPool { // Symbol-Pool friend class SbiSymDef; friend class SbiProcDef; protected: SbiStringPool& rStrings; // verwendeter Stringpool SbiSymbols aData; // Daten SbiSymPool* pParent; // uebergeordneter Symbol-Pool SbiParser* pParser; // der Parser SbiSymScope eScope; // Scope des Pools USHORT nProcId; // aktuelles ProcId fuer STATIC-Variable USHORT nCur; // Iterator public: SbiSymPool( SbiStringPool&, SbiSymScope ); ~SbiSymPool(); void Clear(); void SetParent( SbiSymPool* p ) { pParent = p; } void SetProcId( short n ) { nProcId = n; } USHORT GetSize() const { return aData.Count(); } SbiSymScope GetScope() const { return eScope; } void SetScope( SbiSymScope s ) { eScope = s; } SbiParser* GetParser() { return pParser; } SbiSymDef* AddSym( const String& ); // Symbol hinzufuegen SbiProcDef* AddProc( const String& );// Prozedur hinzufuegen void Add( SbiSymDef* ); // Symbol uebernehmen SbiSymDef* Find( const String& ) const;// Variablenname SbiSymDef* FindId( USHORT ) const; // Variable per ID suchen SbiSymDef* Get( USHORT ) const; // Variable per Position suchen SbiSymDef* First(), *Next(); // Iteratoren UINT32 Define( const String& ); // Label definieren UINT32 Reference( const String& ); // Label referenzieren void CheckRefs(); // offene Referenzen suchen }; /////////////////////////////////////////////////////////////////////////// class SbiSymDef { // Allgemeiner Symboleintrag friend class SbiSymPool; protected: String aName; // Name des Eintrags SbxDataType eType; // Typ des Eintrags SbiSymPool* pIn; // Parent-Pool SbiSymPool* pPool; // Pool fuer Unterelemente short nLen; // Stringlaenge bei STRING*n short nDims; // Array-Dimensionen USHORT nId; // Symbol-Nummer USHORT nTypeId; // String-ID des Datentyps (Dim X AS Dytentyp) USHORT nProcId; // aktuelles ProcId fuer STATIC-Variable USHORT nPos; // Positions-Nummer UINT32 nChain; // Backchain-Kette BOOL bNew : 1; // TRUE: Dim As New... BOOL bChained : 1; // TRUE: Symbol ist in Code definiert BOOL bByVal : 1; // TRUE: ByVal-Parameter BOOL bOpt : 1; // TRUE: optionaler Parameter BOOL bStatic : 1; // TRUE: STATIC-Variable BOOL bAs : 1; // TRUE: Datentyp per AS XXX definiert BOOL bGlobal : 1; // TRUE: Global-Variable BOOL bParamArray : 1; // TRUE: ParamArray parameter BOOL bWithEvents : 1; // TRUE: Declared WithEvents USHORT nDefaultId; // Symbol number of default value short nFixedStringLength; // String length in: Dim foo As String*Length public: SbiSymDef( const String& ); virtual ~SbiSymDef(); virtual SbiProcDef* GetProcDef(); virtual SbiConstDef* GetConstDef(); SbxDataType GetType() const { return eType; } virtual void SetType( SbxDataType ); const String& GetName(); SbiSymScope GetScope() const; USHORT GetProcId() const{ return nProcId; } UINT32 GetAddr() const { return nChain; } USHORT GetId() const { return nId; } USHORT GetTypeId() const{ return nTypeId; } void SetTypeId( USHORT n ) { nTypeId = n; eType = SbxOBJECT; } USHORT GetPos() const { return nPos; } void SetLen( short n ){ nLen = n; } short GetLen() const { return nLen; } void SetDims( short n ) { nDims = n; } short GetDims() const { return nDims; } BOOL IsDefined() const{ return bChained; } void SetOptional() { bOpt = TRUE; } void SetParamArray() { bParamArray = TRUE; } void SetWithEvents() { bWithEvents = TRUE; } void SetByVal( BOOL bByVal_ = TRUE ) { bByVal = bByVal_; } void SetStatic( BOOL bAsStatic = TRUE ) { bStatic = bAsStatic; } void SetNew() { bNew = TRUE; } void SetDefinedAs() { bAs = TRUE; } void SetGlobal(BOOL b){ bGlobal = b; } void SetDefaultId( USHORT n ) { nDefaultId = n; } USHORT GetDefaultId( void ) { return nDefaultId; } BOOL IsOptional() const{ return bOpt; } BOOL IsParamArray() const{ return bParamArray; } BOOL IsWithEvents() const{ return bWithEvents; } BOOL IsByVal() const { return bByVal; } BOOL IsStatic() const { return bStatic; } BOOL IsNew() const { return bNew; } BOOL IsDefinedAs() const { return bAs; } BOOL IsGlobal() const { return bGlobal; } short GetFixedStringLength( void ) const { return nFixedStringLength; } void SetFixedStringLength( short n ) { nFixedStringLength = n; } SbiSymPool& GetPool(); UINT32 Define(); // Symbol in Code definieren UINT32 Reference(); // Symbol in Code referenzieren private: SbiSymDef( const SbiSymDef& ); }; class SbiProcDef : public SbiSymDef { // Prozedur-Definition (aus Basic): SbiSymPool aParams; // Parameter SbiSymPool aLabels; // lokale Sprungziele String aLibName; // LIB "name" String aAlias; // ALIAS "name" USHORT nLine1, nLine2; // Zeilenbereich PropertyMode mePropMode; // Marks if this is a property procedure and which String maPropName; // Property name if property procedure (!= proc name) BOOL bCdecl : 1; // TRUE: CDECL angegeben BOOL bPublic : 1; // TRUE: proc ist PUBLIC BOOL mbProcDecl : 1; // TRUE: instanciated by SbiParser::ProcDecl public: SbiProcDef( SbiParser*, const String&, BOOL bProcDecl=false ); virtual ~SbiProcDef(); virtual SbiProcDef* GetProcDef(); virtual void SetType( SbxDataType ); SbiSymPool& GetParams() { return aParams; } SbiSymPool& GetLabels() { return aLabels; } SbiSymPool& GetLocals() { return GetPool();} String& GetLib() { return aLibName; } String& GetAlias() { return aAlias; } void SetPublic( BOOL b ) { bPublic = b; } BOOL IsPublic() const { return bPublic; } void SetCdecl( BOOL b = TRUE) { bCdecl = b; } BOOL IsCdecl() const { return bCdecl; } BOOL IsUsedForProcDecl() const { return mbProcDecl; } void SetLine1( USHORT n ) { nLine1 = n; } USHORT GetLine1() const { return nLine1; } void SetLine2( USHORT n ) { nLine2 = n; } USHORT GetLine2() const { return nLine2; } PropertyMode getPropertyMode() { return mePropMode; } void setPropertyMode( PropertyMode ePropMode ); const String& GetPropName() { return maPropName; } // Match mit einer Forward-Deklaration. Die Parameternamen // werden abgeglichen und die Forward-Deklaration wird // durch this ersetzt void Match( SbiProcDef* pForward ); private: SbiProcDef( const SbiProcDef& ); }; class SbiConstDef : public SbiSymDef { double nVal; String aVal; public: SbiConstDef( const String& ); virtual ~SbiConstDef(); virtual SbiConstDef* GetConstDef(); void Set( double, SbxDataType ); void Set( const String& ); double GetValue() { return nVal; } const String& GetString() { return aVal; } }; #endif