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/*************************************************************************
 *
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 * 
 * Copyright 2008 by Sun Microsystems, Inc.
 *
 * OpenOffice.org - a multi-platform office productivity suite
 *
 * $RCSfile: symtbl.hxx,v $
 * $Revision: 1.14 $
 *
 * This file is part of OpenOffice.org.
 *
 * OpenOffice.org is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License version 3
 * only, as published by the Free Software Foundation.
 *
 * OpenOffice.org is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License version 3 for more details
 * (a copy is included in the LICENSE file that accompanied this code).
 *
 * You should have received a copy of the GNU Lesser General Public License
 * version 3 along with OpenOffice.org.  If not, see
 * <http://www.openoffice.org/license.html>
 * for a copy of the LGPLv3 License.
 *
 ************************************************************************/

#ifndef _SYMTBL_HXX
#define _SYMTBL_HXX

#include <svtools/svarray.hxx>
#include <tools/string.hxx>
#include <basic/sbxdef.hxx>
#include <basic/sbdef.hxx>

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
    USHORT	   nDefaultId;			// Symbol number of default value
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	   SetByVal()		{ bByVal = TRUE;	}
    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	   IsByVal() const	{ return bByVal;	}
    BOOL	   IsStatic() const { return bStatic;	}
    BOOL	   IsNew() const	{ return bNew;		}
    BOOL	   IsDefinedAs() const { return bAs;	}
    BOOL	   IsGlobal() const { return bGlobal;	}

    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