/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ /* * This file is part of the LibreOffice project. * * This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this * file, You can obtain one at http://mozilla.org/MPL/2.0/. * * This file incorporates work covered by the following license notice: * * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed * with this work for additional information regarding copyright * ownership. The ASF licenses this file to you under the Apache * License, Version 2.0 (the "License"); you may not use this file * except in compliance with the License. You may obtain a copy of * the License at http://www.apache.org/licenses/LICENSE-2.0 . */ #ifndef _SBRUNTIME_HXX #define _SBRUNTIME_HXX #include #include "sb.hxx" #include #include #include #include #include #include #include #include #include using namespace com::sun::star::uno; using namespace com::sun::star::lang; using namespace com::sun::star::container; class SbiInstance; // active StarBASIC process class SbiRuntime; // active StarBASIC procedure instance struct SbiArgvStack; // Argv stack element struct SbiGosubStack; // GOSUB stack element class SbiImage; // Code-Image class SbiIoSystem; class SbiDdeControl; class SbiDllMgr; class SvNumberFormatter; // time/date functions enum ForType { FOR_TO, FOR_EACH_ARRAY, FOR_EACH_COLLECTION, FOR_EACH_XENUMERATION }; struct SbiForStack { // for/next stack: SbiForStack* pNext; // Chain SbxVariableRef refVar; // loop variable SbxVariableRef refEnd; // end expression / for each: Array/BasicCollection object SbxVariableRef refInc; // increment expression // For each support ForType eForType; sal_Int32 nCurCollectionIndex; sal_Int32* pArrayCurIndices; sal_Int32* pArrayLowerBounds; sal_Int32* pArrayUpperBounds; Reference< XEnumeration > xEnumeration; SbiForStack( void ) : pArrayCurIndices( NULL ) , pArrayLowerBounds( NULL ) , pArrayUpperBounds( NULL ) {} ~SbiForStack() { delete[] pArrayCurIndices; delete[] pArrayLowerBounds; delete[] pArrayUpperBounds; } }; struct SbiGosubStack { // GOSUB-Stack: SbiGosubStack* pNext; // Chain const sal_uInt8* pCode; // Return-Pointer sal_uInt16 nStartForLvl; // #118235: For Level in moment of gosub }; #define MAXRECURSION 500 #define Sb_ATTR_NORMAL 0x0000 #define Sb_ATTR_READONLY 0x0001 #define Sb_ATTR_HIDDEN 0x0002 #define Sb_ATTR_SYSTEM 0x0004 #define Sb_ATTR_VOLUME 0x0008 #define Sb_ATTR_DIRECTORY 0x0010 #define Sb_ATTR_ARCHIVE 0x0020 class WildCard; class SbiRTLData { public: ::osl::Directory* pDir; sal_Int16 nDirFlags; short nCurDirPos; OUString sFullNameToBeChecked; WildCard* pWildCard; Sequence< OUString > aDirSeq; SbiRTLData(); ~SbiRTLData(); }; // The instance matches a running StarBASIC. Many basics running at the same // time are managed by chained instances. There is all the data that only lives // when the BASIC is living too, like the I/O-system. typedef ::std::vector < ::com::sun::star::uno::Reference< ::com::sun::star::lang::XComponent > > ComponentVector_t; class SbiInstance { friend class SbiRuntime; SbiRTLData aRTLData; SbiIoSystem* pIosys; // file system SbiDdeControl* pDdeCtrl; // DDE SbiDllMgr* pDllMgr; // DLL-Calls (DECLARE) StarBASIC* pBasic; SvNumberFormatter* pNumberFormatter; LanguageType meFormatterLangType; DateFormat meFormatterDateFormat; sal_uInt32 nStdDateIdx, nStdTimeIdx, nStdDateTimeIdx; SbError nErr; OUString aErrorMsg; // last error message for $ARG sal_Int32 nErl; // current error line sal_Bool bReschedule; // Flag: sal_True = Reschedule in main loop sal_Bool bCompatibility; // Flag: sal_True = VBA runtime compatibility mode ComponentVector_t ComponentVector; public: SbiRuntime* pRun; // Call-Stack SbiInstance* pNext; // instances chain // #31460 new concept for StepInto/Over/Out, // Explaination see runtime.cxx at SbiInstance::CalcBreakCallLevel() sal_uInt16 nCallLvl; sal_uInt16 nBreakCallLvl; void CalcBreakCallLevel( sal_uInt16 nFlags ); SbiInstance( StarBASIC* ); ~SbiInstance(); void Error( SbError ); // trappable Error void Error( SbError, const OUString& rMsg ); // trappable Error with message void ErrorVB( sal_Int32 nVBNumber, const OUString& rMsg ); void setErrorVB( sal_Int32 nVBNumber, const OUString& rMsg ); void FatalError( SbError ); // non-trappable Error void FatalError( SbError, const OUString& ); // non-trappable Error void Abort(); // with current error code void Stop(); SbError GetErr() { return nErr; } OUString GetErrorMsg() { return aErrorMsg; } sal_Int32 GetErl() { return nErl; } void EnableReschedule( sal_Bool bEnable ) { bReschedule = bEnable; } sal_Bool IsReschedule( void ) { return bReschedule; } void EnableCompatibility( sal_Bool bEnable ) { bCompatibility = bEnable; } sal_Bool IsCompatibility( void ) { return bCompatibility; } ComponentVector_t& getComponentVector( void ) { return ComponentVector; } SbMethod* GetCaller( sal_uInt16 ); SbModule* GetActiveModule(); SbiIoSystem* GetIoSystem() { return pIosys; } SbiDdeControl* GetDdeControl() { return pDdeCtrl; } StarBASIC* GetBasic( void ) { return pBasic; } SbiDllMgr* GetDllMgr(); SbiRTLData* GetRTLData() const { return (SbiRTLData*)&aRTLData; } SvNumberFormatter* GetNumberFormatter(); sal_uInt32 GetStdDateIdx() const { return nStdDateIdx; } sal_uInt32 GetStdTimeIdx() const { return nStdTimeIdx; } sal_uInt32 GetStdDateTimeIdx() const { return nStdDateTimeIdx; } // offer NumberFormatter also static static void PrepareNumberFormatter( SvNumberFormatter*& rpNumberFormatter, sal_uInt32 &rnStdDateIdx, sal_uInt32 &rnStdTimeIdx, sal_uInt32 &rnStdDateTimeIdx, LanguageType* peFormatterLangType=NULL, DateFormat* peFormatterDateFormat=NULL ); }; SbiIoSystem* SbGetIoSystem(); // chainable items to keep references temporary struct RefSaveItem { SbxVariableRef xRef; RefSaveItem* pNext; RefSaveItem() { pNext = NULL; } }; // There's one instance of this class for every executed sub-program. // This instance is the heart of the BASIC-machine and contains only local data. class SbiRuntime { friend void SbRtl_CallByName( StarBASIC* pBasic, SbxArray& rPar, sal_Bool bWrite ); typedef void( SbiRuntime::*pStep0 )(); typedef void( SbiRuntime::*pStep1 )( sal_uInt32 nOp1 ); typedef void( SbiRuntime::*pStep2 )( sal_uInt32 nOp1, sal_uInt32 nOp2 ); static pStep0 aStep0[]; // opcode-table group 0 static pStep1 aStep1[]; static pStep2 aStep2[]; StarBASIC& rBasic; // StarBASIC instance SbiInstance* pInst; // current thread SbModule* pMod; // current module SbMethod* pMeth; // method instance SbiIoSystem* pIosys; // I/O-System const SbiImage* pImg; // Code-Image SbxArrayRef refExprStk; // expression stack SbxArrayRef refCaseStk; // CASE expression stack SbxArrayRef refRedimpArray; // Array saved to use for REDIM PRESERVE SbxVariableRef refRedim; // Array saved to use for REDIM SbxVariableRef xDummyVar; // substitute for variables that weren't found SbxVariable* mpExtCaller; // Caller ( external - e.g. button name, shape, range object etc. - only in vba mode ) SbiArgvStack* pArgvStk; // ARGV-Stack SbiGosubStack* pGosubStk; // GOSUB stack SbiForStack* pForStk; // FOR/NEXT-Stack sal_uInt16 nExprLvl; // depth of the expr-stack sal_uInt16 nGosubLvl; // to prevent dead-recursions sal_uInt16 nForLvl; // #118235: Maintain for level const sal_uInt8* pCode; // current Code-Pointer const sal_uInt8* pStmnt; // beginning of the last statement const sal_uInt8* pError; // address of the current error handler const sal_uInt8* pRestart; // restart-address const sal_uInt8* pErrCode; // restart-adresse RESUME NEXT const sal_uInt8* pErrStmnt; // Restart-Adresse RESUMT 0 OUString aLibName; // Lib-name for declare-call SbxArrayRef refParams; // current procedure parameters SbxArrayRef refLocals; // local variable SbxArrayRef refArgv; // #74254, one refSaveObj is not enough! new: pRefSaveList (see above) short nArgc; bool bRun; bool bError; // true: handle errors bool bInError; // true: in an error handler bool bBlocked; // true: blocked by next call level, #i48868 bool bVBAEnabled; sal_uInt16 nFlags; // Debugging-Flags SbError nError; sal_uInt16 nOps; // opcode counter sal_uInt32 m_nLastTime; RefSaveItem* pRefSaveList; // #74254 save temporary references RefSaveItem* pItemStoreList; // keep unused items void SaveRef( SbxVariable* pVar ) { RefSaveItem* pItem = pItemStoreList; if( pItem ) pItemStoreList = pItem->pNext; else pItem = new RefSaveItem(); pItem->pNext = pRefSaveList; pItem->xRef = pVar; pRefSaveList = pItem; } void ClearRefs( void ) { while( pRefSaveList ) { RefSaveItem* pToClearItem = pRefSaveList; pRefSaveList = pToClearItem->pNext; pToClearItem->xRef = NULL; pToClearItem->pNext = pItemStoreList; pItemStoreList = pToClearItem; } } SbxVariable* FindElement ( SbxObject* pObj, sal_uInt32 nOp1, sal_uInt32 nOp2, SbError, bool bLocal, bool bStatic = false ); void SetupArgs( SbxVariable*, sal_uInt32 ); SbxVariable* CheckArray( SbxVariable* ); void PushVar( SbxVariable* ); SbxVariableRef PopVar(); SbxVariable* GetTOS( short=0 ); void TOSMakeTemp(); bool ClearExprStack(); void PushGosub( const sal_uInt8* ); void PopGosub(); void ClearGosubStack(); void PushArgv(); void PopArgv(); void ClearArgvStack(); void PushFor(); void PushForEach(); void PopFor(); void ClearForStack(); void StepArith( SbxOperator ); void StepUnary( SbxOperator ); void StepCompare( SbxOperator ); void SetParameters( SbxArray* ); // HAS TO BE IMPLEMENTED SOME TIME void DllCall( const OUString&, const OUString&, SbxArray*, SbxDataType, bool ); // #56204 swap out DIM-functionality into help method (step0.cxx) void DimImpl( SbxVariableRef refVar ); bool implIsClass( SbxObject* pObj, const OUString& aClass ); void StepSETCLASS_impl( sal_uInt32 nOp1, bool bHandleDflt = false ); // the following routines are called by the single // stepper and implement the single opcodes void StepNOP(), StepEXP(), StepMUL(), StepDIV(); void StepMOD(), StepPLUS(), StepMINUS(), StepNEG(); void StepEQ(), StepNE(), StepLT(), StepGT(); void StepLE(), StepGE(), StepIDIV(), StepAND(); void StepOR(), StepXOR(), StepEQV(), StepIMP(); void StepNOT(), StepCAT(), StepLIKE(), StepIS(); void StepCLONE(), StepOLDBASED(), StepARGC(); void StepARGV(), StepINPUT(), StepLINPUT(), StepSTOP(); void StepGET(), StepSET(), StepVBASET(), StepPUT(), StepPUTC(); void StepSET_Impl( SbxVariableRef& refVal, SbxVariableRef& refVar, bool bDefaultHandling = false ); void StepDIM(), StepREDIM(), StepREDIMP(), StepERASE(); void StepINITFOR(), StepNEXT(), StepERROR(), StepINITFOREACH(); void StepCASE(), StepENDCASE(), StepSTDERROR(); void StepNOERROR(), StepCHANNEL(), StepCHANNEL0(), StepPRINT(); void StepPRINTF(), StepWRITE(), StepRENAME(), StepPROMPT(); void StepRESTART(), StepEMPTY(), StepLEAVE(); void StepLSET(), StepRSET(), StepREDIMP_ERASE(), StepERASE_CLEAR(); void StepARRAYACCESS(), StepBYVAL(); // all opcodes with one operand void StepLOADNC( sal_uInt32 ), StepLOADSC( sal_uInt32 ), StepLOADI( sal_uInt32 ); void StepARGN( sal_uInt32 ), StepBASED( sal_uInt32 ), StepPAD( sal_uInt32 ); void StepJUMP( sal_uInt32 ), StepJUMPT( sal_uInt32 ); void StepJUMPF( sal_uInt32 ), StepONJUMP( sal_uInt32 ); void StepGOSUB( sal_uInt32 ), StepRETURN( sal_uInt32 ); void StepTESTFOR( sal_uInt32 ), StepCASETO( sal_uInt32 ), StepERRHDL( sal_uInt32 ); void StepRESUME( sal_uInt32 ), StepSETCLASS( sal_uInt32 ), StepVBASETCLASS( sal_uInt32 ), StepTESTCLASS( sal_uInt32 ), StepLIB( sal_uInt32 ); bool checkClass_Impl( const SbxVariableRef& refVal, const OUString& aClass, bool bRaiseErrors, bool bDefault = true ); void StepCLOSE( sal_uInt32 ), StepPRCHAR( sal_uInt32 ), StepARGTYP( sal_uInt32 ); // all opcodes with two operands void StepRTL( sal_uInt32, sal_uInt32 ), StepPUBLIC( sal_uInt32, sal_uInt32 ), StepPUBLIC_P( sal_uInt32, sal_uInt32 ); void StepPUBLIC_Impl( sal_uInt32, sal_uInt32, bool bUsedForClassModule ); void StepFIND_Impl( SbxObject* pObj, sal_uInt32 nOp1, sal_uInt32 nOp2, SbError, bool bLocal, bool bStatic = false ); void StepFIND( sal_uInt32, sal_uInt32 ), StepELEM( sal_uInt32, sal_uInt32 ); void StepGLOBAL( sal_uInt32, sal_uInt32 ), StepLOCAL( sal_uInt32, sal_uInt32 ); void StepPARAM( sal_uInt32, sal_uInt32), StepCREATE( sal_uInt32, sal_uInt32 ); void StepCALL( sal_uInt32, sal_uInt32 ), StepCALLC( sal_uInt32, sal_uInt32 ); void StepCASEIS( sal_uInt32, sal_uInt32 ), StepSTMNT( sal_uInt32, sal_uInt32 ); SbxVariable* StepSTATIC_Impl( OUString& aName, SbxDataType& t ); void StepOPEN( sal_uInt32, sal_uInt32 ), StepSTATIC( sal_uInt32, sal_uInt32 ); void StepTCREATE(sal_uInt32,sal_uInt32), StepDCREATE(sal_uInt32,sal_uInt32); void StepGLOBAL_P( sal_uInt32, sal_uInt32 ),StepFIND_G( sal_uInt32, sal_uInt32 ); void StepDCREATE_REDIMP(sal_uInt32,sal_uInt32), StepDCREATE_IMPL(sal_uInt32,sal_uInt32); void StepFIND_CM( sal_uInt32, sal_uInt32 ); void StepFIND_STATIC( sal_uInt32, sal_uInt32 ); void implHandleSbxFlags( SbxVariable* pVar, SbxDataType t, sal_uInt32 nOp2 ); public: void SetVBAEnabled( bool bEnabled ); sal_uInt16 GetImageFlag( sal_uInt16 n ) const; sal_uInt16 GetBase(); sal_Int32 nLine,nCol1,nCol2; SbiRuntime* pNext; // Stack-Chain SbiRuntime( SbModule*, SbMethod*, sal_uInt32 ); ~SbiRuntime(); void Error( SbError, bool bVBATranslationAlreadyDone = false ); // set error if != 0 void Error( SbError, const OUString& ); // set error if != 0 void FatalError( SbError ); // error handling = standard, set error void FatalError( SbError, const OUString& ); // error handling = standard, set error static sal_Int32 translateErrorToVba( SbError nError, OUString& rMsg ); void DumpPCode(); bool Step(); // single step (one opcode) void Stop() { bRun = false; } void block( void ) { bBlocked = true; } void unblock( void ) { bBlocked = false; } SbMethod* GetMethod() { return pMeth; } SbModule* GetModule() { return pMod; } sal_uInt16 GetDebugFlags() { return nFlags; } void SetDebugFlags( sal_uInt16 nFl ) { nFlags = nFl; } SbMethod* GetCaller(); SbxVariable* GetExternalCaller(){ return mpExtCaller; } SbiForStack* FindForStackItemForCollection( class BasicCollection* pCollection ); SbxBase* FindElementExtern( const OUString& rName ); static bool isVBAEnabled(); }; inline void checkArithmeticOverflow( double d ) { if( !::rtl::math::isFinite( d ) ) StarBASIC::Error( SbERR_MATH_OVERFLOW ); } inline void checkArithmeticOverflow( SbxVariable* pVar ) { if( pVar->GetType() == SbxDOUBLE ) { double d = pVar->GetDouble(); checkArithmeticOverflow( d ); } } StarBASIC* GetCurrentBasic( StarBASIC* pRTBasic ); // Get information if security restrictions should be // used (File IO based on UCB, no RTL function SHELL // no DDE functionality, no DLLCALL) in basic because // of portal "virtual" users (portal user != UNIX user) // (Implemented in iosys.cxx) bool needSecurityRestrictions( void ); // Returns true if UNO is available, otherwise the old // file system implementation has to be used // (Implemented in iosys.cxx) bool hasUno( void ); // Converts possibly relative paths to absolute paths // according to the setting done by ChDir/ChDrive // (Implemented in methods.cxx) OUString getFullPath( const OUString& aRelPath ); // Implementation of StepRENAME with UCB // (Implemented in methods.cxx, so step0.cxx // has not to be infected with UNO) void implStepRenameUCB( const OUString& aSource, const OUString& aDest ); void implStepRenameOSL( const OUString& aSource, const OUString& aDest ); bool IsBaseIndexOne(); #endif /* vim:set shiftwidth=4 softtabstop=4 expandtab: */