basic/source/inc/symtbl.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #ifndef INCLUDED_BASIC_SOURCE_INC_SYMTBL_HXX
  21 #define INCLUDED_BASIC_SOURCE_INC_SYMTBL_HXX
  22
  23 #include <memory>
  24 #include <vector>
  25
  26 class SbiConstDef;
  27 class SbiParser;
  28 class SbiProcDef;
  29 class SbiStringPool;
  30 class SbiSymDef;                    // base class
  31
  32 enum SbiSymScope { SbLOCAL, SbPARAM, SbPUBLIC, SbGLOBAL, SbRTL };
  33
  34 // The string-pool collects string entries and
  35 // makes sure that they don't exist twice.
  36
  37 class SbiStringPool {
  38     std::vector<OUString> aData;
  39 public:
  40     SbiStringPool();
  41    ~SbiStringPool();
  42     sal_uInt32 GetSize() const { return aData.size(); }
  43     short Add( const OUString& );
  44     short Add( double, SbxDataType );
  45     OUString Find( sal_uInt32 ) const;
  46 };
  47
  48
  49 class SbiSymPool {
  50     friend class SbiSymDef;
  51     friend class SbiProcDef;
  52 protected:
  53     SbiStringPool& rStrings;
  54     std::vector<std::unique_ptr<SbiSymDef>> m_Data;
  55     SbiSymPool*    pParent;
  56     SbiParser*     pParser;
  57     SbiSymScope    eScope;
  58     sal_uInt16     nProcId;             // for STATIC-variable
  59     sal_uInt16     nCur;                // iterator
  60 public:
  61     SbiSymPool( SbiStringPool&, SbiSymScope, SbiParser* pParser_ );
  62    ~SbiSymPool();
  63
  64     void   SetParent( SbiSymPool* p )   { pParent = p;      }
  65     void   SetProcId( short n )         { nProcId = n;      }
  66     sal_uInt16 GetSize() const          { return m_Data.size(); }
  67     SbiSymScope GetScope() const        { return eScope;    }
  68     void   SetScope( SbiSymScope s )    { eScope = s;       }
  69     SbiParser* GetParser()              { return pParser;   }
  70
  71     SbiSymDef* AddSym( const OUString& );
  72     SbiProcDef* AddProc( const OUString& );
  73     void Add( SbiSymDef* );
  74     SbiSymDef* Find( const OUString& ); // variable name
  75     SbiSymDef* Get( sal_uInt16 );     // find variable per position
  76     SbiSymDef* First(), *Next();            // iterators
  77
  78     sal_uInt32 Define( const OUString& );
  79     sal_uInt32 Reference( const OUString& );
  80     void   CheckRefs();
  81 };
  82
  83
  84 class SbiSymDef {                   // general symbol entry
  85     friend class SbiSymPool;
  86 protected:
  87     OUString     aName;
  88     SbxDataType eType;
  89     SbiSymPool* pIn;                // parent pool
  90     std::unique_ptr<SbiSymPool> pPool; // pool for sub-elements
  91     short      nLen;                // string length for STRING*n
  92     short      nDims;
  93     sal_uInt16     nId;
  94     sal_uInt16     nTypeId;             // Dim X AS data type
  95     sal_uInt16     nProcId;
  96     sal_uInt16     nPos;
  97     sal_uInt32     nChain;
  98     bool       bNew     : 1;        // true: Dim As New...
  99     bool       bChained : 1;        // true: symbol is defined in code
 100     bool       bByVal   : 1;        // true: ByVal-parameter
 101     bool       bOpt     : 1;        // true: optional parameter
 102     bool       bStatic  : 1;        // true: STATIC variable
 103     bool       bAs      : 1;        // true: data type defined per AS XXX
 104     bool       bGlobal  : 1;        // true: global variable
 105     bool       bParamArray : 1;     // true: ParamArray parameter
 106     bool       bWithEvents : 1;     // true: Declared WithEvents
 107     bool       bWithBrackets : 1;   // true: Followed by ()
 108     sal_uInt16     nDefaultId;          // Symbol number of default value
 109     short      nFixedStringLength;  // String length in: Dim foo As String*Length
 110 public:
 111     SbiSymDef( const OUString& );
 112     virtual ~SbiSymDef();
 113     virtual SbiProcDef* GetProcDef();
 114     virtual SbiConstDef* GetConstDef();
 115
 116     SbxDataType GetType() const { return eType;     }
 117     virtual void SetType( SbxDataType );
 118     const OUString& GetName();
 119     SbiSymScope GetScope() const;
 120     sal_uInt32 GetAddr() const  { return nChain;    }
 121     sal_uInt16 GetId() const    { return nId;       }
 122     sal_uInt16 GetTypeId() const{ return nTypeId;   }
 123     void       SetTypeId( sal_uInt16 n ) { nTypeId = n; eType = SbxOBJECT; }
 124     sal_uInt16 GetPos() const   { return nPos;      }
 125     void       SetLen( short n ){ nLen = n;         }
 126     short      GetLen() const   { return nLen;      }
 127     void       SetDims( short n ) { nDims = n;      }
 128     short      GetDims() const  { return nDims;     }
 129     bool       IsDefined() const{ return bChained;  }
 130     void       SetOptional()    { bOpt = true;      }
 131     void       SetParamArray()  { bParamArray = true;       }
 132     void       SetWithEvents()  { bWithEvents = true;       }
 133     void       SetWithBrackets(){ bWithBrackets = true;     }
 134     void       SetByVal( bool bByVal_ ) { bByVal = bByVal_; }
 135     void       SetStatic( bool bAsStatic = true )      { bStatic = bAsStatic;  }
 136     void       SetNew()         { bNew = true;      }
 137     void       SetDefinedAs()   { bAs = true;       }
 138     void       SetGlobal(bool b){ bGlobal = b;  }
 139     void       SetDefaultId( sal_uInt16 n ) { nDefaultId = n; }
 140     sal_uInt16 GetDefaultId() { return nDefaultId; }
 141     bool       IsOptional() const{ return bOpt;     }
 142     bool       IsParamArray() const{ return bParamArray; }
 143     bool       IsWithEvents() const{ return bWithEvents; }
 144     bool       IsWithBrackets() const{ return bWithBrackets; }
 145     bool       IsByVal() const  { return bByVal;    }
 146     bool       IsStatic() const { return bStatic;   }
 147     bool       IsNew() const    { return bNew;      }
 148     bool       IsDefinedAs() const { return bAs;    }
 149     bool       IsGlobal() const { return bGlobal;   }
 150     short      GetFixedStringLength() const { return nFixedStringLength; }
 151     void       SetFixedStringLength( short n ) { nFixedStringLength = n; }
 152
 153     SbiSymPool& GetPool();
 154     sal_uInt32     Define();        // define symbol in code
 155     sal_uInt32     Reference();     // reference symbol in code
 156
 157 private:
 158     SbiSymDef( const SbiSymDef& ) = delete;
 159
 160 };
 161
 162 class SbiProcDef : public SbiSymDef {   // procedure definition (from basic):
 163     SbiSymPool aParams;
 164     SbiSymPool aLabels;             // local jump targets
 165     OUString aLibName;
 166     OUString aAlias;
 167     sal_uInt16 nLine1, nLine2;      // line area
 168     PropertyMode mePropMode;        // Marks if this is a property procedure and which
 169     OUString maPropName;              // Property name if property procedure (!= proc name)
 170     bool   bCdecl  : 1;             // true: CDECL given
 171     bool   bPublic : 1;             // true: proc is PUBLIC
 172     bool   mbProcDecl : 1;          // true: instantiated by SbiParser::ProcDecl
 173 public:
 174     SbiProcDef( SbiParser*, const OUString&, bool bProcDecl=false );
 175     virtual ~SbiProcDef() override;
 176     virtual SbiProcDef* GetProcDef() override;
 177     virtual void SetType( SbxDataType ) override;
 178     SbiSymPool& GetParams()         { return aParams;  }
 179     SbiSymPool& GetLabels()         { return aLabels;  }
 180     SbiSymPool& GetLocals()         { return GetPool();}
 181     OUString& GetLib()              { return aLibName; }
 182     OUString& GetAlias()            { return aAlias;   }
 183     void SetPublic( bool b )        { bPublic = b;     }
 184     bool IsPublic() const           { return bPublic;  }
 185     void SetCdecl( bool b )         { bCdecl = b;      }
 186     bool IsCdecl() const            { return bCdecl;   }
 187     bool IsUsedForProcDecl() const  { return mbProcDecl; }
 188     void SetLine1( sal_uInt16 n )   { nLine1 = n;      }
 189     sal_uInt16 GetLine1() const     { return nLine1;   }
 190     void SetLine2( sal_uInt16 n )   { nLine2 = n;      }
 191     sal_uInt16 GetLine2() const     { return nLine2;   }
 192     PropertyMode getPropertyMode()  { return mePropMode; }
 193     void setPropertyMode( PropertyMode ePropMode );
 194     const OUString& GetPropName()     { return maPropName; }
 195
 196     // Match with a forward-declaration. The parameter names are
 197     // compared and the forward declaration is replaced by this
 198     void Match( SbiProcDef* pForward );
 199
 200 private:
 201     SbiProcDef( const SbiProcDef& ) = delete;
 202
 203 };
 204
 205 class SbiConstDef : public SbiSymDef
 206 {
 207     double nVal;
 208     OUString aVal;
 209 public:
 210     SbiConstDef( const OUString& );
 211     virtual ~SbiConstDef() override;
 212     virtual SbiConstDef* GetConstDef() override;
 213     void Set( double, SbxDataType );
 214     void Set( const OUString& );
 215     double GetValue()           { return nVal; }
 216     const OUString& GetString() { return aVal; }
 217 };
 218
 219
 220 #endif
 221
 222 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */