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|
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2000, 2010 Oracle and/or its affiliates.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* 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.
*
************************************************************************/
#include <tools/fsys.hxx>
#include <vcl/svapp.hxx>
#include <tools/wldcrd.hxx>
#include <svl/zforlist.hxx>
#include <unotools/syslocale.hxx>
#include "runtime.hxx"
#include "sbintern.hxx"
#include "opcodes.hxx"
#include "codegen.hxx"
#include "iosys.hxx"
#include "image.hxx"
#include "ddectrl.hxx"
#include "dllmgr.hxx"
#include <comphelper/processfactory.hxx>
#include <com/sun/star/container/XEnumerationAccess.hpp>
#include "sbunoobj.hxx"
#include "errobject.hxx"
#include "comenumwrapper.hxx"
SbxVariable* getDefaultProp( SbxVariable* pRef );
using namespace ::com::sun::star;
bool SbiRuntime::isVBAEnabled()
{
bool result = false;
SbiInstance* pInst = pINST;
if ( pInst && pINST->pRun )
result = pInst->pRun->bVBAEnabled;
return result;
}
void StarBASIC::SetVBAEnabled( sal_Bool bEnabled )
{
if ( bDocBasic )
{
bVBAEnabled = bEnabled;
}
}
sal_Bool StarBASIC::isVBAEnabled()
{
if ( bDocBasic )
{
if( SbiRuntime::isVBAEnabled() )
return sal_True;
return bVBAEnabled;
}
return sal_False;
}
struct SbiArgvStack { // Argv stack:
SbiArgvStack* pNext; // Stack Chain
SbxArrayRef refArgv; // Argv
short nArgc; // Argc
};
SbiRuntime::pStep0 SbiRuntime::aStep0[] = { // all opcodes without operands
&SbiRuntime::StepNOP,
&SbiRuntime::StepEXP,
&SbiRuntime::StepMUL,
&SbiRuntime::StepDIV,
&SbiRuntime::StepMOD,
&SbiRuntime::StepPLUS,
&SbiRuntime::StepMINUS,
&SbiRuntime::StepNEG,
&SbiRuntime::StepEQ,
&SbiRuntime::StepNE,
&SbiRuntime::StepLT,
&SbiRuntime::StepGT,
&SbiRuntime::StepLE,
&SbiRuntime::StepGE,
&SbiRuntime::StepIDIV,
&SbiRuntime::StepAND,
&SbiRuntime::StepOR,
&SbiRuntime::StepXOR,
&SbiRuntime::StepEQV,
&SbiRuntime::StepIMP,
&SbiRuntime::StepNOT,
&SbiRuntime::StepCAT,
&SbiRuntime::StepLIKE,
&SbiRuntime::StepIS,
// load/save
&SbiRuntime::StepARGC, // establish new Argv
&SbiRuntime::StepARGV, // TOS ==> current Argv
&SbiRuntime::StepINPUT, // Input ==> TOS
&SbiRuntime::StepLINPUT, // Line Input ==> TOS
&SbiRuntime::StepGET, // touch TOS
&SbiRuntime::StepSET, // save object TOS ==> TOS-1
&SbiRuntime::StepPUT, // TOS ==> TOS-1
&SbiRuntime::StepPUTC, // TOS ==> TOS-1, then ReadOnly
&SbiRuntime::StepDIM, // DIM
&SbiRuntime::StepREDIM, // REDIM
&SbiRuntime::StepREDIMP, // REDIM PRESERVE
&SbiRuntime::StepERASE, // delete TOS
// branch
&SbiRuntime::StepSTOP, // program end
&SbiRuntime::StepINITFOR, // intitialize FOR-Variable
&SbiRuntime::StepNEXT, // increment FOR-Variable
&SbiRuntime::StepCASE, // beginning CASE
&SbiRuntime::StepENDCASE, // end CASE
&SbiRuntime::StepSTDERROR, // standard error handling
&SbiRuntime::StepNOERROR, // no error handling
&SbiRuntime::StepLEAVE, // leave UP
// E/A
&SbiRuntime::StepCHANNEL, // TOS = channel number
&SbiRuntime::StepPRINT, // print TOS
&SbiRuntime::StepPRINTF, // print TOS in field
&SbiRuntime::StepWRITE, // write TOS
&SbiRuntime::StepRENAME, // Rename Tos+1 to Tos
&SbiRuntime::StepPROMPT, // define Input Prompt from TOS
&SbiRuntime::StepRESTART, // Set restart point
&SbiRuntime::StepCHANNEL0, // set E/A-channel 0
&SbiRuntime::StepEMPTY, // empty expression on stack
&SbiRuntime::StepERROR, // TOS = error code
&SbiRuntime::StepLSET, // save object TOS ==> TOS-1
&SbiRuntime::StepRSET, // save object TOS ==> TOS-1
&SbiRuntime::StepREDIMP_ERASE,// Copy array object for REDIMP
&SbiRuntime::StepINITFOREACH,// Init for each loop
&SbiRuntime::StepVBASET,// vba-like set statement
&SbiRuntime::StepERASE_CLEAR,// vba-like set statement
&SbiRuntime::StepARRAYACCESS,// access TOS as array
&SbiRuntime::StepBYVAL, // access TOS as array
};
SbiRuntime::pStep1 SbiRuntime::aStep1[] = { // all opcodes with one operand
&SbiRuntime::StepLOADNC, // loading a numeric constant (+ID)
&SbiRuntime::StepLOADSC, // loading a string constant (+ID)
&SbiRuntime::StepLOADI, // Immediate Load (+Wert)
&SbiRuntime::StepARGN, // save a named Args in Argv (+StringID)
&SbiRuntime::StepPAD, // bring string to a definite length (+length)
// branches
&SbiRuntime::StepJUMP, // jump (+Target)
&SbiRuntime::StepJUMPT, // evaluate TOS, conditional jump (+Target)
&SbiRuntime::StepJUMPF, // evaluate TOS, conditional jump (+Target)
&SbiRuntime::StepONJUMP, // evaluate TOS, jump into JUMP-table (+MaxVal)
&SbiRuntime::StepGOSUB, // UP-call (+Target)
&SbiRuntime::StepRETURN, // UP-return (+0 or Target)
&SbiRuntime::StepTESTFOR, // check FOR-variable, increment (+Endlabel)
&SbiRuntime::StepCASETO, // Tos+1 <= Case <= Tos), 2xremove (+Target)
&SbiRuntime::StepERRHDL, // error handler (+Offset)
&SbiRuntime::StepRESUME, // resume after errors (+0 or 1 or Label)
// E/A
&SbiRuntime::StepCLOSE, // (+channel/0)
&SbiRuntime::StepPRCHAR, // (+char)
// management
&SbiRuntime::StepSETCLASS, // check set + class names (+StringId)
&SbiRuntime::StepTESTCLASS, // Check TOS class (+StringId)
&SbiRuntime::StepLIB, // lib for declare-call (+StringId)
&SbiRuntime::StepBASED, // TOS is incremented by BASE, BASE is pushed before
&SbiRuntime::StepARGTYP, // convert last parameter in Argv (+Type)
&SbiRuntime::StepVBASETCLASS,// vba-like set statement
};
SbiRuntime::pStep2 SbiRuntime::aStep2[] = {// all opcodes with two operands
&SbiRuntime::StepRTL, // load from RTL (+StringID+Typ)
&SbiRuntime::StepFIND, // load (+StringID+Typ)
&SbiRuntime::StepELEM, // load element (+StringID+Typ)
&SbiRuntime::StepPARAM, // Parameter (+Offset+Typ)
// Verzweigen
&SbiRuntime::StepCALL, // Declare-Call (+StringID+Typ)
&SbiRuntime::StepCALLC, // CDecl-Declare-Call (+StringID+Typ)
&SbiRuntime::StepCASEIS, // Case-Test (+Test-Opcode+False-Target)
// Verwaltung
&SbiRuntime::StepSTMNT, // beginning of a statement (+Line+Col)
// E/A
&SbiRuntime::StepOPEN, // (+SvStreamFlags+Flags)
// Objects
&SbiRuntime::StepLOCAL, // define local variable (+StringId+Typ)
&SbiRuntime::StepPUBLIC, // module global variable (+StringID+Typ)
&SbiRuntime::StepGLOBAL, // define global variable (+StringID+Typ)
&SbiRuntime::StepCREATE, // create object (+StringId+StringId)
&SbiRuntime::StepSTATIC, // static variable (+StringId+StringId)
&SbiRuntime::StepTCREATE, // user-defined objects (+StringId+StringId)
&SbiRuntime::StepDCREATE, // create object-array (+StringID+StringID)
&SbiRuntime::StepGLOBAL_P, // define global variable which is not overwritten
// by the Basic on a restart (+StringID+Typ)
&SbiRuntime::StepFIND_G, // finds global variable with special treatment because of _GLOBAL_P
&SbiRuntime::StepDCREATE_REDIMP, // redimension object array (+StringID+StringID)
&SbiRuntime::StepFIND_CM, // Search inside a class module (CM) to enable global search in time
&SbiRuntime::StepPUBLIC_P, // Search inside a class module (CM) to enable global search in time
&SbiRuntime::StepFIND_STATIC, // Search inside a class module (CM) to enable global search in time
};
// SbiRTLData //
SbiRTLData::SbiRTLData()
{
pDir = 0;
nDirFlags = 0;
nCurDirPos = 0;
pWildCard = NULL;
}
SbiRTLData::~SbiRTLData()
{
delete pDir;
pDir = 0;
delete pWildCard;
}
// SbiInstance //
// 16.10.96: #31460 new concept for StepInto/Over/Out
// The decision whether StepPoint shall be called is done with the help of
// the CallLevel. It's stopped when the current CallLevel is <= nBreakCallLvl.
// The current CallLevel can never be smaller than 1, as it's also incremented
// during the call of a method (also main). Therefore a BreakCallLvl from 0
// means that the program isn't stopped at all.
// (also have a look at: step2.cxx, SbiRuntime::StepSTMNT() )
void SbiInstance::CalcBreakCallLevel( sal_uInt16 nFlags )
{
nFlags &= ~((sal_uInt16)SbDEBUG_BREAK);
sal_uInt16 nRet;
switch( nFlags )
{
case SbDEBUG_STEPINTO:
nRet = nCallLvl + 1; // CallLevel+1 is also stopped
break;
case SbDEBUG_STEPOVER | SbDEBUG_STEPINTO:
nRet = nCallLvl; // current CallLevel is stopped
break;
case SbDEBUG_STEPOUT:
nRet = nCallLvl - 1; // smaller CallLevel is stopped
break;
case SbDEBUG_CONTINUE:
// Basic-IDE returns 0 instead of SbDEBUG_CONTINUE, so also default=continue
default:
nRet = 0; // CallLevel is always > 0 -> no StepPoint
}
nBreakCallLvl = nRet; // take result
}
SbiInstance::SbiInstance( StarBASIC* p )
{
pBasic = p;
pNext = NULL;
pRun = NULL;
pIosys = new SbiIoSystem;
pDdeCtrl = new SbiDdeControl;
pDllMgr = 0; // on demand
pNumberFormatter = 0; // on demand
nCallLvl = 0;
nBreakCallLvl = 0;
nErr =
nErl = 0;
bReschedule = sal_True;
bCompatibility = sal_False;
}
SbiInstance::~SbiInstance()
{
while( pRun )
{
SbiRuntime* p = pRun->pNext;
delete pRun;
pRun = p;
}
delete pIosys;
delete pDdeCtrl;
delete pDllMgr;
delete pNumberFormatter;
try
{
int nSize = ComponentVector.size();
if( nSize )
{
for( int i = nSize - 1 ; i >= 0 ; --i )
{
Reference< XComponent > xDlgComponent = ComponentVector[i];
if( xDlgComponent.is() )
xDlgComponent->dispose();
}
}
}
catch( const Exception& )
{
OSL_FAIL( "SbiInstance::~SbiInstance: caught an exception while disposing the components!" );
}
ComponentVector.clear();
}
SbiDllMgr* SbiInstance::GetDllMgr()
{
if( !pDllMgr )
pDllMgr = new SbiDllMgr;
return pDllMgr;
}
// #39629 create NumberFormatter with the help of a static method now
SvNumberFormatter* SbiInstance::GetNumberFormatter()
{
LanguageType eLangType = GetpApp()->GetSettings().GetLanguage();
SvtSysLocale aSysLocale;
DateFormat eDate = aSysLocale.GetLocaleData().getDateFormat();
if( pNumberFormatter )
{
if( eLangType != meFormatterLangType ||
eDate != meFormatterDateFormat )
{
delete pNumberFormatter;
pNumberFormatter = NULL;
}
}
meFormatterLangType = eLangType;
meFormatterDateFormat = eDate;
if( !pNumberFormatter )
PrepareNumberFormatter( pNumberFormatter, nStdDateIdx, nStdTimeIdx, nStdDateTimeIdx,
&meFormatterLangType, &meFormatterDateFormat );
return pNumberFormatter;
}
// #39629 offer NumberFormatter static too
void SbiInstance::PrepareNumberFormatter( SvNumberFormatter*& rpNumberFormatter,
sal_uInt32 &rnStdDateIdx, sal_uInt32 &rnStdTimeIdx, sal_uInt32 &rnStdDateTimeIdx,
LanguageType* peFormatterLangType, DateFormat* peFormatterDateFormat )
{
com::sun::star::uno::Reference< com::sun::star::lang::XMultiServiceFactory >
xFactory = comphelper::getProcessServiceFactory();
LanguageType eLangType;
if( peFormatterLangType )
eLangType = *peFormatterLangType;
else
eLangType = GetpApp()->GetSettings().GetLanguage();
DateFormat eDate;
if( peFormatterDateFormat )
eDate = *peFormatterDateFormat;
else
{
SvtSysLocale aSysLocale;
eDate = aSysLocale.GetLocaleData().getDateFormat();
}
rpNumberFormatter = new SvNumberFormatter( xFactory, eLangType );
xub_StrLen nCheckPos = 0; short nType;
rnStdTimeIdx = rpNumberFormatter->GetStandardFormat( NUMBERFORMAT_TIME, eLangType );
// the formatter's standard templates have only got a two-digit date
// -> registering an own format
// HACK, beause the numberformatter doesn't swap the place holders
// for month, day and year according to the system setting.
// Problem: Print Year(Date) under engl. BS
// also have a look at: svtools\source\sbx\sbxdate.cxx
String aDateStr;
switch( eDate )
{
case MDY: aDateStr = String( RTL_CONSTASCII_USTRINGPARAM("MM.TT.JJJJ") ); break;
case DMY: aDateStr = String( RTL_CONSTASCII_USTRINGPARAM("TT.MM.JJJJ") ); break;
case YMD: aDateStr = String( RTL_CONSTASCII_USTRINGPARAM("JJJJ.MM.TT") ); break;
default: aDateStr = String( RTL_CONSTASCII_USTRINGPARAM("MM.TT.JJJJ") );
}
String aStr( aDateStr );
rpNumberFormatter->PutandConvertEntry( aStr, nCheckPos, nType,
rnStdDateIdx, LANGUAGE_GERMAN, eLangType );
nCheckPos = 0;
String aStrHHMMSS( RTL_CONSTASCII_USTRINGPARAM(" HH:MM:SS") );
aStr = aDateStr;
aStr += aStrHHMMSS;
rpNumberFormatter->PutandConvertEntry( aStr, nCheckPos, nType,
rnStdDateTimeIdx, LANGUAGE_GERMAN, eLangType );
}
// Let engine run. If Flags == SbDEBUG_CONTINUE, take Flags over
void SbiInstance::Stop()
{
for( SbiRuntime* p = pRun; p; p = p->pNext )
p->Stop();
}
// Allows Basic IDE to set watch mode to suppress errors
static bool bWatchMode = false;
void setBasicWatchMode( bool bOn )
{
bWatchMode = bOn;
}
void SbiInstance::Error( SbError n )
{
Error( n, String() );
}
void SbiInstance::Error( SbError n, const String& rMsg )
{
if( !bWatchMode )
{
aErrorMsg = rMsg;
pRun->Error( n );
}
}
void SbiInstance::ErrorVB( sal_Int32 nVBNumber, const String& rMsg )
{
if( !bWatchMode )
{
SbError n = StarBASIC::GetSfxFromVBError( static_cast< sal_uInt16 >( nVBNumber ) );
if ( !n )
n = nVBNumber; // force orig number, probably should have a specific table of vb ( localized ) errors
aErrorMsg = rMsg;
SbiRuntime::translateErrorToVba( n, aErrorMsg );
bool bVBATranslationAlreadyDone = true;
pRun->Error( SbERR_BASIC_COMPAT, bVBATranslationAlreadyDone );
}
}
void SbiInstance::setErrorVB( sal_Int32 nVBNumber, const String& rMsg )
{
SbError n = StarBASIC::GetSfxFromVBError( static_cast< sal_uInt16 >( nVBNumber ) );
if( !n )
n = nVBNumber; // force orig number, probably should have a specific table of vb ( localized ) errors
aErrorMsg = rMsg;
SbiRuntime::translateErrorToVba( n, aErrorMsg );
nErr = n;
}
void SbiInstance::FatalError( SbError n )
{
pRun->FatalError( n );
}
void SbiInstance::FatalError( SbError _errCode, const String& _details )
{
pRun->FatalError( _errCode, _details );
}
void SbiInstance::Abort()
{
StarBASIC* pErrBasic = GetCurrentBasic( pBasic );
pErrBasic->RTError( nErr, aErrorMsg, pRun->nLine, pRun->nCol1, pRun->nCol2 );
pBasic->Stop();
}
// can be unequal to pRTBasic
StarBASIC* GetCurrentBasic( StarBASIC* pRTBasic )
{
StarBASIC* pCurBasic = pRTBasic;
SbModule* pActiveModule = pRTBasic->GetActiveModule();
if( pActiveModule )
{
SbxObject* pParent = pActiveModule->GetParent();
if( pParent && pParent->ISA(StarBASIC) )
pCurBasic = (StarBASIC*)pParent;
}
return pCurBasic;
}
SbModule* SbiInstance::GetActiveModule()
{
if( pRun )
return pRun->GetModule();
else
return NULL;
}
SbMethod* SbiInstance::GetCaller( sal_uInt16 nLevel )
{
SbiRuntime* p = pRun;
while( nLevel-- && p )
p = p->pNext;
if( p )
return p->GetCaller();
else
return NULL;
}
// SbiInstance //
// Attention: pMeth can also be NULL (on a call of the init-code)
SbiRuntime::SbiRuntime( SbModule* pm, SbMethod* pe, sal_uInt32 nStart )
: rBasic( *(StarBASIC*)pm->pParent ), pInst( pINST ),
pMod( pm ), pMeth( pe ), pImg( pMod->pImage ), mpExtCaller(0), m_nLastTime(0)
{
nFlags = pe ? pe->GetDebugFlags() : 0;
pIosys = pInst->pIosys;
pArgvStk = NULL;
pGosubStk = NULL;
pForStk = NULL;
pError = NULL;
pErrCode =
pErrStmnt =
pRestart = NULL;
pNext = NULL;
pCode =
pStmnt = (const sal_uInt8* ) pImg->GetCode() + nStart;
bRun =
bError = sal_True;
bInError = sal_False;
bBlocked = sal_False;
nLine = 0;
nCol1 = 0;
nCol2 = 0;
nExprLvl = 0;
nArgc = 0;
nError = 0;
nGosubLvl = 0;
nForLvl = 0;
nOps = 0;
refExprStk = new SbxArray;
SetVBAEnabled( pMod->IsVBACompat() );
#if defined GCC
SetParameters( pe ? pe->GetParameters() : (class SbxArray *)NULL );
#else
SetParameters( pe ? pe->GetParameters() : NULL );
#endif
pRefSaveList = NULL;
pItemStoreList = NULL;
}
SbiRuntime::~SbiRuntime()
{
ClearGosubStack();
ClearArgvStack();
ClearForStack();
// #74254 free items for saving temporary references
ClearRefs();
while( pItemStoreList )
{
RefSaveItem* pToDeleteItem = pItemStoreList;
pItemStoreList = pToDeleteItem->pNext;
delete pToDeleteItem;
}
}
void SbiRuntime::SetVBAEnabled(bool bEnabled )
{
bVBAEnabled = bEnabled;
if ( bVBAEnabled )
{
if ( pMeth )
mpExtCaller = pMeth->mCaller;
}
else
mpExtCaller = 0;
}
// Construction of the parameter list. All ByRef-parameters are directly
// taken over; copies of ByVal-parameters are created. If a particular
// data type is requested, it is converted.
void SbiRuntime::SetParameters( SbxArray* pParams )
{
refParams = new SbxArray;
// for the return value
refParams->Put( pMeth, 0 );
SbxInfo* pInfo = pMeth ? pMeth->GetInfo() : NULL;
sal_uInt16 nParamCount = pParams ? pParams->Count() : 1;
if( nParamCount > 1 )
{
for( sal_uInt16 i = 1 ; i < nParamCount ; i++ )
{
const SbxParamInfo* p = pInfo ? pInfo->GetParam( i ) : NULL;
// #111897 ParamArray
if( p && (p->nUserData & PARAM_INFO_PARAMARRAY) != 0 )
{
SbxDimArray* pArray = new SbxDimArray( SbxVARIANT );
sal_uInt16 nParamArrayParamCount = nParamCount - i;
pArray->unoAddDim( 0, nParamArrayParamCount - 1 );
for( sal_uInt16 j = i ; j < nParamCount ; j++ )
{
SbxVariable* v = pParams->Get( j );
short nDimIndex = j - i;
pArray->Put( v, &nDimIndex );
}
SbxVariable* pArrayVar = new SbxVariable( SbxVARIANT );
pArrayVar->SetFlag( SBX_READWRITE );
pArrayVar->PutObject( pArray );
refParams->Put( pArrayVar, i );
// Block ParamArray for missing parameter
pInfo = NULL;
break;
}
SbxVariable* v = pParams->Get( i );
// methods are always byval!
sal_Bool bByVal = v->IsA( TYPE(SbxMethod) );
SbxDataType t = v->GetType();
bool bTargetTypeIsArray = false;
if( p )
{
bByVal |= sal_Bool( ( p->eType & SbxBYREF ) == 0 );
t = (SbxDataType) ( p->eType & 0x0FFF );
if( !bByVal && t != SbxVARIANT &&
(!v->IsFixed() || (SbxDataType)(v->GetType() & 0x0FFF ) != t) )
bByVal = sal_True;
bTargetTypeIsArray = (p->nUserData & PARAM_INFO_WITHBRACKETS) != 0;
}
if( bByVal )
{
if( bTargetTypeIsArray )
t = SbxOBJECT;
SbxVariable* v2 = new SbxVariable( t );
v2->SetFlag( SBX_READWRITE );
*v2 = *v;
refParams->Put( v2, i );
}
else
{
if( t != SbxVARIANT && t != ( v->GetType() & 0x0FFF ) )
{
if( p && (p->eType & SbxARRAY) )
Error( SbERR_CONVERSION );
else
v->Convert( t );
}
refParams->Put( v, i );
}
if( p )
refParams->PutAlias( p->aName, i );
}
}
// ParamArray for missing parameter
if( pInfo )
{
// #111897 Check first missing parameter for ParamArray
const SbxParamInfo* p = pInfo->GetParam( nParamCount );
if( p && (p->nUserData & PARAM_INFO_PARAMARRAY) != 0 )
{
SbxDimArray* pArray = new SbxDimArray( SbxVARIANT );
pArray->unoAddDim( 0, -1 );
SbxVariable* pArrayVar = new SbxVariable( SbxVARIANT );
pArrayVar->SetFlag( SBX_READWRITE );
pArrayVar->PutObject( pArray );
refParams->Put( pArrayVar, nParamCount );
}
}
}
// execute a P-Code
sal_Bool SbiRuntime::Step()
{
if( bRun )
{
// in any case check casually!
if( !( ++nOps & 0xF ) && pInst->IsReschedule() )
{
sal_uInt32 nTime = osl_getGlobalTimer();
if (nTime - m_nLastTime > 5 ) // 20 ms
{
Application::Reschedule();
m_nLastTime = nTime;
}
}
// #i48868 blocked by next call level?
while( bBlocked )
{
if( pInst->IsReschedule() )
Application::Reschedule();
}
SbiOpcode eOp = (SbiOpcode ) ( *pCode++ );
sal_uInt32 nOp1, nOp2;
if( eOp <= SbOP0_END )
{
(this->*( aStep0[ eOp ] ) )();
}
else if( eOp >= SbOP1_START && eOp <= SbOP1_END )
{
nOp1 = *pCode++; nOp1 |= *pCode++ << 8; nOp1 |= *pCode++ << 16; nOp1 |= *pCode++ << 24;
(this->*( aStep1[ eOp - SbOP1_START ] ) )( nOp1 );
}
else if( eOp >= SbOP2_START && eOp <= SbOP2_END )
{
nOp1 = *pCode++; nOp1 |= *pCode++ << 8; nOp1 |= *pCode++ << 16; nOp1 |= *pCode++ << 24;
nOp2 = *pCode++; nOp2 |= *pCode++ << 8; nOp2 |= *pCode++ << 16; nOp2 |= *pCode++ << 24;
(this->*( aStep2[ eOp - SbOP2_START ] ) )( nOp1, nOp2 );
}
else
StarBASIC::FatalError( SbERR_INTERNAL_ERROR );
SbError nSbError = SbxBase::GetError();
Error( ERRCODE_TOERROR(nSbError) );
// from 13.2.1997, new error handling:
// ATTENTION: nError can be set already even if !nSbError
// since nError can now also be set from other RT-instances
if( nError )
SbxBase::ResetError();
// from 15.3.96: display errors only if BASIC is still active
// (especially not after compiler errors at the runtime)
if( nError && bRun )
{
SbError err = nError;
ClearExprStack();
nError = 0;
pInst->nErr = err;
pInst->nErl = nLine;
pErrCode = pCode;
pErrStmnt = pStmnt;
// An error occurred in an error handler
// force parent handler ( if there is one )
// to handle the error
bool bLetParentHandleThis = false;
// in the error handler? so std-error
if ( !bInError )
{
bInError = sal_True;
if( !bError ) // On Error Resume Next
StepRESUME( 1 );
else if( pError ) // On Error Goto ...
pCode = pError;
else
bLetParentHandleThis = true;
}
else
{
bLetParentHandleThis = true;
pError = NULL; //terminate the handler
}
if ( bLetParentHandleThis )
{
// from 13.2.1997, new error handling:
// consider superior error handlers
// there's no error handler -> find one farther above
SbiRuntime* pRtErrHdl = NULL;
SbiRuntime* pRt = this;
while( NULL != (pRt = pRt->pNext) )
{
if( pRt->bError == sal_False || pRt->pError != NULL )
{
pRtErrHdl = pRt;
break;
}
}
if( pRtErrHdl )
{
SbErrorStack*& rErrStack = GetSbData()->pErrStack;
if( rErrStack )
delete rErrStack;
rErrStack = new SbErrorStack();
// manipulate all the RTs that are below in the call-stack
pRt = this;
do
{
pRt->nError = err;
if( pRt != pRtErrHdl )
pRt->bRun = sal_False;
SbErrorStackEntry *pEntry = new SbErrorStackEntry
( pRt->pMeth, pRt->nLine, pRt->nCol1, pRt->nCol2 );
rErrStack->C40_INSERT(SbErrorStackEntry, pEntry, rErrStack->Count() );
if( pRt == pRtErrHdl )
break;
pRt = pRt->pNext;
}
while( pRt );
}
// no error-hdl found -> old behaviour
else
{
pInst->Abort();
}
}
}
}
return bRun;
}
void SbiRuntime::Error( SbError n, bool bVBATranslationAlreadyDone )
{
if( n )
{
nError = n;
if( isVBAEnabled() && !bVBATranslationAlreadyDone )
{
String aMsg = pInst->GetErrorMsg();
sal_Int32 nVBAErrorNumber = translateErrorToVba( nError, aMsg );
SbxVariable* pSbxErrObjVar = SbxErrObject::getErrObject();
SbxErrObject* pGlobErr = static_cast< SbxErrObject* >( pSbxErrObjVar );
if( pGlobErr != NULL )
pGlobErr->setNumberAndDescription( nVBAErrorNumber, aMsg );
pInst->aErrorMsg = aMsg;
nError = SbERR_BASIC_COMPAT;
}
}
}
void SbiRuntime::Error( SbError _errCode, const String& _details )
{
if ( _errCode )
{
// Not correct for class module usage, remove for now
//OSL_ENSURE( pInst->pRun == this, "SbiRuntime::Error: can't propagate the error message details!" );
if ( pInst->pRun == this )
{
pInst->Error( _errCode, _details );
//OSL_POSTCOND( nError == _errCode, "SbiRuntime::Error: the instance is expecte to propagate the error code back to me!" );
}
else
{
nError = _errCode;
}
}
}
void SbiRuntime::FatalError( SbError n )
{
StepSTDERROR();
Error( n );
}
void SbiRuntime::FatalError( SbError _errCode, const String& _details )
{
StepSTDERROR();
Error( _errCode, _details );
}
sal_Int32 SbiRuntime::translateErrorToVba( SbError nError, String& rMsg )
{
// If a message is defined use that ( in preference to
// the defined one for the error ) NB #TODO
// if there is an error defined it more than likely
// is not the one you want ( some are the same though )
// we really need a new vba compatible error list
if ( !rMsg.Len() )
{
// TEST, has to be vb here always
#ifdef DBG_UTIL
SbError nTmp = StarBASIC::GetSfxFromVBError( (sal_uInt16)nError );
DBG_ASSERT( nTmp, "No VB error!" );
#endif
StarBASIC::MakeErrorText( nError, rMsg );
rMsg = StarBASIC::GetErrorText();
if ( !rMsg.Len() ) // no message for err no, need localized resource here
rMsg = String( RTL_CONSTASCII_USTRINGPARAM("Internal Object Error:") );
}
// no num? most likely then it *is* really a vba err
sal_uInt16 nVBErrorCode = StarBASIC::GetVBErrorCode( nError );
sal_Int32 nVBAErrorNumber = ( nVBErrorCode == 0 ) ? nError : nVBErrorCode;
return nVBAErrorNumber;
}
// Parameter, Locals, Caller
SbMethod* SbiRuntime::GetCaller()
{
return pMeth;
}
SbxArray* SbiRuntime::GetParams()
{
return refParams;
}
// Stacks
// The expression-stack is available for the continous evaluation
// of expressions.
void SbiRuntime::PushVar( SbxVariable* pVar )
{
if( pVar )
refExprStk->Put( pVar, nExprLvl++ );
}
SbxVariableRef SbiRuntime::PopVar()
{
#ifdef DBG_UTIL
if( !nExprLvl )
{
StarBASIC::FatalError( SbERR_INTERNAL_ERROR );
return new SbxVariable;
}
#endif
SbxVariableRef xVar = refExprStk->Get( --nExprLvl );
#ifdef DBG_UTIL
if ( xVar->GetName().EqualsAscii( "Cells" ) )
OSL_TRACE( "" );
#endif
// methods hold themselves in parameter 0
if( xVar->IsA( TYPE(SbxMethod) ) )
xVar->SetParameters(0);
return xVar;
}
sal_Bool SbiRuntime::ClearExprStack()
{
// Attention: Clear() doesn't suffice as methods must be deleted
while ( nExprLvl )
{
PopVar();
}
refExprStk->Clear();
return sal_False;
}
// Take variable from the expression-stack without removing it
// n counts from 0
SbxVariable* SbiRuntime::GetTOS( short n )
{
n = nExprLvl - n - 1;
#ifdef DBG_UTIL
if( n < 0 )
{
StarBASIC::FatalError( SbERR_INTERNAL_ERROR );
return new SbxVariable;
}
#endif
return refExprStk->Get( (sal_uInt16) n );
}
void SbiRuntime::TOSMakeTemp()
{
SbxVariable* p = refExprStk->Get( nExprLvl - 1 );
if ( p->GetType() == SbxEMPTY )
p->Broadcast( SBX_HINT_DATAWANTED );
SbxVariable* pDflt = NULL;
if ( bVBAEnabled && ( p->GetType() == SbxOBJECT || p->GetType() == SbxVARIANT ) && ((pDflt = getDefaultProp(p)) != NULL) )
{
pDflt->Broadcast( SBX_HINT_DATAWANTED );
// replacing new p on stack causes object pointed by
// pDft->pParent to be deleted, when p2->Compute() is
// called below pParent is accessed ( but its deleted )
// so set it to NULL now
pDflt->SetParent( NULL );
p = new SbxVariable( *pDflt );
p->SetFlag( SBX_READWRITE );
refExprStk->Put( p, nExprLvl - 1 );
}
else if( p->GetRefCount() != 1 )
{
SbxVariable* pNew = new SbxVariable( *p );
pNew->SetFlag( SBX_READWRITE );
refExprStk->Put( pNew, nExprLvl - 1 );
}
}
// the GOSUB-stack collects return-addresses for GOSUBs
void SbiRuntime::PushGosub( const sal_uInt8* pc )
{
if( ++nGosubLvl > MAXRECURSION )
StarBASIC::FatalError( SbERR_STACK_OVERFLOW );
SbiGosubStack* p = new SbiGosubStack;
p->pCode = pc;
p->pNext = pGosubStk;
p->nStartForLvl = nForLvl;
pGosubStk = p;
}
void SbiRuntime::PopGosub()
{
if( !pGosubStk )
Error( SbERR_NO_GOSUB );
else
{
SbiGosubStack* p = pGosubStk;
pCode = p->pCode;
pGosubStk = p->pNext;
delete p;
nGosubLvl--;
}
}
void SbiRuntime::ClearGosubStack()
{
SbiGosubStack* p;
while(( p = pGosubStk ) != NULL )
pGosubStk = p->pNext, delete p;
nGosubLvl = 0;
}
// the Argv-stack collects current argument-vectors
void SbiRuntime::PushArgv()
{
SbiArgvStack* p = new SbiArgvStack;
p->refArgv = refArgv;
p->nArgc = nArgc;
nArgc = 1;
refArgv.Clear();
p->pNext = pArgvStk;
pArgvStk = p;
}
void SbiRuntime::PopArgv()
{
if( pArgvStk )
{
SbiArgvStack* p = pArgvStk;
pArgvStk = p->pNext;
refArgv = p->refArgv;
nArgc = p->nArgc;
delete p;
}
}
void SbiRuntime::ClearArgvStack()
{
while( pArgvStk )
PopArgv();
}
// Push of the for-stack. The stack has increment, end, begin and variable.
// After the creation of the stack-element the stack's empty.
void SbiRuntime::PushFor()
{
SbiForStack* p = new SbiForStack;
p->eForType = FOR_TO;
p->pNext = pForStk;
pForStk = p;
p->refInc = PopVar();
p->refEnd = PopVar();
SbxVariableRef xBgn = PopVar();
p->refVar = PopVar();
*(p->refVar) = *xBgn;
nForLvl++;
}
void SbiRuntime::PushForEach()
{
SbiForStack* p = new SbiForStack;
p->pNext = pForStk;
pForStk = p;
SbxVariableRef xObjVar = PopVar();
SbxBase* pObj = xObjVar.Is() ? xObjVar->GetObject() : NULL;
if( pObj == NULL )
{
Error( SbERR_NO_OBJECT );
return;
}
bool bError_ = false;
BasicCollection* pCollection;
SbxDimArray* pArray;
SbUnoObject* pUnoObj;
if( (pArray = PTR_CAST(SbxDimArray,pObj)) != NULL )
{
p->eForType = FOR_EACH_ARRAY;
p->refEnd = (SbxVariable*)pArray;
short nDims = pArray->GetDims();
p->pArrayLowerBounds = new sal_Int32[nDims];
p->pArrayUpperBounds = new sal_Int32[nDims];
p->pArrayCurIndices = new sal_Int32[nDims];
sal_Int32 lBound, uBound;
for( short i = 0 ; i < nDims ; i++ )
{
pArray->GetDim32( i+1, lBound, uBound );
p->pArrayCurIndices[i] = p->pArrayLowerBounds[i] = lBound;
p->pArrayUpperBounds[i] = uBound;
}
}
else if( (pCollection = PTR_CAST(BasicCollection,pObj)) != NULL )
{
p->eForType = FOR_EACH_COLLECTION;
p->refEnd = pCollection;
p->nCurCollectionIndex = 0;
}
else if( (pUnoObj = PTR_CAST(SbUnoObject,pObj)) != NULL )
{
// XEnumerationAccess?
Any aAny = pUnoObj->getUnoAny();
Reference< XEnumerationAccess > xEnumerationAccess;
if( (aAny >>= xEnumerationAccess) )
{
p->xEnumeration = xEnumerationAccess->createEnumeration();
p->eForType = FOR_EACH_XENUMERATION;
}
else if ( isVBAEnabled() && pUnoObj->isNativeCOMObject() )
{
uno::Reference< script::XInvocation > xInvocation;
if ( ( aAny >>= xInvocation ) && xInvocation.is() )
{
try
{
p->xEnumeration = new ComEnumerationWrapper( xInvocation );
p->eForType = FOR_EACH_XENUMERATION;
}
catch(const uno::Exception& )
{}
}
if ( !p->xEnumeration.is() )
bError_ = true;
}
else
{
bError_ = true;
}
}
else
{
bError_ = true;
}
if( bError_ )
{
Error( SbERR_CONVERSION );
return;
}
// Container variable
p->refVar = PopVar();
nForLvl++;
}
void SbiRuntime::PopFor()
{
if( pForStk )
{
SbiForStack* p = pForStk;
pForStk = p->pNext;
delete p;
nForLvl--;
}
}
void SbiRuntime::ClearForStack()
{
while( pForStk )
PopFor();
}
SbiForStack* SbiRuntime::FindForStackItemForCollection( class BasicCollection* pCollection )
{
for (SbiForStack *p = pForStk; p; p = p->pNext)
{
SbxVariable* pVar = p->refEnd.Is() ? (SbxVariable*)p->refEnd : NULL;
if( p->eForType == FOR_EACH_COLLECTION && pVar != NULL &&
PTR_CAST(BasicCollection,pVar) == pCollection )
{
return p;
}
}
return NULL;
}
//////////////////////////////////////////////////////////////////////////
//
// DLL-calls
void SbiRuntime::DllCall
( const String& aFuncName,
const String& aDLLName,
SbxArray* pArgs, // parameter (from index 1, can be NULL)
SbxDataType eResType, // return value
sal_Bool bCDecl ) // sal_True: according to C-conventions
{
// No DllCall for "virtual" portal users
if( needSecurityRestrictions() )
{
StarBASIC::Error(SbERR_NOT_IMPLEMENTED);
return;
}
// NOT YET IMPLEMENTED
SbxVariable* pRes = new SbxVariable( eResType );
SbiDllMgr* pDllMgr = pInst->GetDllMgr();
SbError nErr = pDllMgr->Call( aFuncName, aDLLName, pArgs, *pRes, bCDecl );
if( nErr )
Error( nErr );
PushVar( pRes );
}
sal_uInt16 SbiRuntime::GetImageFlag( sal_uInt16 n ) const
{
return pImg->GetFlag( n );
}
sal_uInt16 SbiRuntime::GetBase()
{
return pImg->GetBase();
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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