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       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 _CODEGEN_HXX
      21             : #define _CODEGEN_HXX
      22             : 
      23             : class SbiParser;
      24             : class SbModule;
      25             : #include "opcodes.hxx"
      26             : #include "buffer.hxx"
      27             : 
      28           8 : class SbiCodeGen {
      29             :     SbiParser* pParser;         // for error messages, line, column etc.
      30             :     SbModule& rMod;
      31             :     SbiBuffer aCode;
      32             :     short  nLine, nCol;         // for stmnt command
      33             :     short  nForLevel;           // #29955
      34             :     bool bStmnt;            // true: statement-opcode is pending
      35             : public:
      36             :     SbiCodeGen( SbModule&, SbiParser*, short );
      37          46 :     SbiParser* GetParser() { return pParser; }
      38           3 :     SbModule& GetModule() { return rMod; }
      39             :     sal_uInt32 Gen( SbiOpcode );
      40             :     sal_uInt32 Gen( SbiOpcode, sal_uInt32 );
      41             :     sal_uInt32 Gen( SbiOpcode, sal_uInt32, sal_uInt32 );
      42           0 :     void Patch( sal_uInt32 o, sal_uInt32 v ){ aCode.Patch( o, v ); }
      43          12 :     void BackChain( sal_uInt32 off )    { aCode.Chain( off );  }
      44             :     void Statement();
      45             :     void GenStmnt();            // create statement-opcode maybe
      46             :     sal_uInt32 GetPC();
      47           0 :     sal_uInt32 GetOffset()              { return GetPC() + 1; }
      48             :     void Save();
      49             : 
      50             :     // #29955 service for-loop-level
      51           0 :     void IncForLevel( void ) { nForLevel++; }
      52           0 :     void DecForLevel( void ) { nForLevel--; }
      53             : 
      54             :     static sal_uInt32 calcNewOffSet( sal_uInt8* pCode, sal_uInt16 nOffset );
      55             :     static sal_uInt16 calcLegacyOffSet( sal_uInt8* pCode, sal_uInt32 nOffset );
      56             : 
      57             : };
      58             : 
      59             : template < class T, class S >
      60             : class PCodeBuffConvertor
      61             : {
      62             :     T m_nSize; //
      63             :     sal_uInt8* m_pStart;
      64             :     sal_uInt8* m_pCnvtdBuf;
      65             :     S m_nCnvtdSize; //
      66             : 
      67             :     //  Disable usual copying symantics and bodgy default ctor
      68             :     PCodeBuffConvertor();
      69             :     PCodeBuffConvertor(const PCodeBuffConvertor& );
      70             :     PCodeBuffConvertor& operator = ( const PCodeBuffConvertor& );
      71             : public:
      72           0 :     PCodeBuffConvertor( sal_uInt8* pCode, T nSize ): m_nSize( nSize ),  m_pStart( pCode ), m_pCnvtdBuf( NULL ), m_nCnvtdSize( 0 ){ convert(); }
      73           0 :     S GetSize(){ return m_nCnvtdSize; }
      74             :     void convert();
      75             :     // Caller owns the buffer returned
      76           0 :     sal_uInt8* GetBuffer() { return m_pCnvtdBuf; }
      77             : };
      78             : 
      79             : // #111897 PARAM_INFO flags start at 0x00010000 to not
      80             : // conflict with DefaultId in SbxParamInfo::nUserData
      81             : #define PARAM_INFO_PARAMARRAY       0x0010000
      82             : #define PARAM_INFO_WITHBRACKETS     0x0020000
      83             : 
      84             : #endif
      85             : 
      86             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */