1 /************************************************************** 2 * 3 * Licensed to the Apache Software Foundation (ASF) under one 4 * or more contributor license agreements. See the NOTICE file 5 * distributed with this work for additional information 6 * regarding copyright ownership. The ASF licenses this file 7 * to you under the Apache License, Version 2.0 (the 8 * "License"); you may not use this file except in compliance 9 * with the License. You may obtain a copy of the License at 10 * 11 * http://www.apache.org/licenses/LICENSE-2.0 12 * 13 * Unless required by applicable law or agreed to in writing, 14 * software distributed under the License is distributed on an 15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16 * KIND, either express or implied. See the License for the 17 * specific language governing permissions and limitations 18 * under the License. 19 * 20 *************************************************************/ 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