Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

6 files changed, 5460 insertions, 0 deletions

diff --git a/formula/source/core/api/FormulaCompiler.cxx b/formula/source/core/api/FormulaCompiler.cxx
new file mode 100644
index 000000000..b39e618a5
--- /dev/null
+++ b/formula/source/core/api/FormulaCompiler.cxx
@@ -0,0 +1,3105 @@
+/* -*- 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 .
+ */
+#include <sal/macros.h>
+#include <sal/log.hxx>
+#include <rtl/math.hxx>
+#include <formula/FormulaCompiler.hxx>
+#include <formula/errorcodes.hxx>
+#include <formula/token.hxx>
+#include <formula/tokenarray.hxx>
+#include <o3tl/string_view.hxx>
+#include <core_resource.hxx>
+#include <core_resource.hrc>
+
+#include <osl/mutex.hxx>
+
+#include <svl/zforlist.hxx>
+#include <unotools/charclass.hxx>
+#include <vcl/svapp.hxx>
+#include <vcl/settings.hxx>
+#include <comphelper/processfactory.hxx>
+#include <com/sun/star/sheet/FormulaOpCodeMapEntry.hpp>
+#include <com/sun/star/sheet/FormulaMapGroup.hpp>
+#include <com/sun/star/sheet/FormulaMapGroupSpecialOffset.hpp>
+#include <algorithm>
+
+namespace formula
+{
+    using namespace ::com::sun::star;
+
+    static const char* pInternal[2] = { "TTT", "__DEBUG_VAR" };
+
+namespace {
+
+class FormulaCompilerRecursionGuard
+{
+    private:
+        short& rRecursion;
+    public:
+        explicit FormulaCompilerRecursionGuard( short& rRec )
+            : rRecursion( rRec ) { ++rRecursion; }
+        ~FormulaCompilerRecursionGuard() { --rRecursion; }
+};
+
+SvNumFormatType lcl_GetRetFormat( OpCode eOpCode )
+{
+    switch (eOpCode)
+    {
+        case ocEqual:
+        case ocNotEqual:
+        case ocLess:
+        case ocGreater:
+        case ocLessEqual:
+        case ocGreaterEqual:
+        case ocAnd:
+        case ocOr:
+        case ocXor:
+        case ocNot:
+        case ocTrue:
+        case ocFalse:
+        case ocIsEmpty:
+        case ocIsString:
+        case ocIsNonString:
+        case ocIsLogical:
+        case ocIsRef:
+        case ocIsValue:
+        case ocIsFormula:
+        case ocIsNA:
+        case ocIsErr:
+        case ocIsError:
+        case ocIsEven:
+        case ocIsOdd:
+        case ocExact:
+            return SvNumFormatType::LOGICAL;
+        case ocGetActDate:
+        case ocGetDate:
+        case ocEasterSunday :
+            return SvNumFormatType::DATE;
+        case ocGetActTime:
+            return SvNumFormatType::DATETIME;
+        case ocGetTime:
+            return SvNumFormatType::TIME;
+        case ocNPV:
+        case ocPV:
+        case ocSYD:
+        case ocDDB:
+        case ocDB:
+        case ocVBD:
+        case ocSLN:
+        case ocPMT:
+        case ocFV:
+        case ocIpmt:
+        case ocPpmt:
+        case ocCumIpmt:
+        case ocCumPrinc:
+            return SvNumFormatType::CURRENCY;
+        case ocRate:
+        case ocIRR:
+        case ocMIRR:
+        case ocRRI:
+        case ocEffect:
+        case ocNominal:
+        case ocPercentSign:
+            return SvNumFormatType::PERCENT;
+        default:
+            return SvNumFormatType::NUMBER;
+    }
+}
+
+void lclPushOpCodeMapEntry( ::std::vector< sheet::FormulaOpCodeMapEntry >& rVec,
+        const OUString* pTable, sal_uInt16 nOpCode )
+{
+    sheet::FormulaOpCodeMapEntry aEntry;
+    aEntry.Token.OpCode = nOpCode;
+    aEntry.Name = pTable[nOpCode];
+    rVec.push_back( aEntry);
+}
+
+void lclPushOpCodeMapEntries( ::std::vector< sheet::FormulaOpCodeMapEntry >& rVec,
+        const OUString* pTable, sal_uInt16 nOpCodeBeg, sal_uInt16 nOpCodeEnd )
+{
+    for (sal_uInt16 nOpCode = nOpCodeBeg; nOpCode < nOpCodeEnd; ++nOpCode)
+        lclPushOpCodeMapEntry( rVec, pTable, nOpCode );
+}
+
+void lclPushOpCodeMapEntries( ::std::vector< sheet::FormulaOpCodeMapEntry >& rVec,
+        const OUString* pTable, const sal_uInt16* pnOpCodes, size_t nCount )
+{
+    for (const sal_uInt16* pnEnd = pnOpCodes + nCount; pnOpCodes < pnEnd; ++pnOpCodes)
+        lclPushOpCodeMapEntry( rVec, pTable, *pnOpCodes );
+}
+
+CharClass* createCharClassIfNonEnglishUI()
+{
+    const LanguageTag& rLanguageTag( Application::GetSettings().GetUILanguageTag());
+    if (rLanguageTag.getLanguage() == "en")
+        return nullptr;
+    return new CharClass( ::comphelper::getProcessComponentContext(), rLanguageTag);
+}
+
+class OpCodeList
+{
+public:
+
+    OpCodeList(const std::pair<const char*, int>* pSymbols, const FormulaCompiler::NonConstOpCodeMapPtr&,
+            FormulaCompiler::SeparatorType = FormulaCompiler::SeparatorType::SEMICOLON_BASE );
+    OpCodeList(const std::pair<TranslateId, int>* pSymbols, const FormulaCompiler::NonConstOpCodeMapPtr&,
+            FormulaCompiler::SeparatorType = FormulaCompiler::SeparatorType::SEMICOLON_BASE );
+
+private:
+    bool getOpCodeString( OUString& rStr, sal_uInt16 nOp );
+    void putDefaultOpCode( const FormulaCompiler::NonConstOpCodeMapPtr& xMap, sal_uInt16 nOp, const CharClass* pCharClass );
+
+private:
+    FormulaCompiler::SeparatorType meSepType;
+    const std::pair<const char*, int>* mpSymbols1;
+    const std::pair<TranslateId, int>* mpSymbols2;
+};
+
+OpCodeList::OpCodeList(const std::pair<const char*, int>* pSymbols, const FormulaCompiler::NonConstOpCodeMapPtr& xMap,
+        FormulaCompiler::SeparatorType eSepType)
+    : meSepType(eSepType)
+    , mpSymbols1(pSymbols)
+    , mpSymbols2(nullptr)
+{
+    std::unique_ptr<CharClass> xCharClass( xMap->isEnglish() ? nullptr : createCharClassIfNonEnglishUI());
+    const CharClass* pCharClass = xCharClass.get();
+    if (meSepType == FormulaCompiler::SeparatorType::RESOURCE_BASE)
+    {
+        for (sal_uInt16 i = 0; i <= SC_OPCODE_LAST_OPCODE_ID; ++i)
+        {
+            putDefaultOpCode( xMap, i, pCharClass);
+        }
+    }
+    else
+    {
+        for (sal_uInt16 i = 0; i <= SC_OPCODE_LAST_OPCODE_ID; ++i)
+        {
+            OUString aOpStr;
+            if ( getOpCodeString( aOpStr, i) )
+                xMap->putOpCode( aOpStr, OpCode(i), pCharClass);
+            else
+                putDefaultOpCode( xMap, i, pCharClass);
+        }
+    }
+}
+
+OpCodeList::OpCodeList(const std::pair<TranslateId, int>* pSymbols, const FormulaCompiler::NonConstOpCodeMapPtr& xMap,
+        FormulaCompiler::SeparatorType eSepType)
+    : meSepType(eSepType)
+    , mpSymbols1(nullptr)
+    , mpSymbols2(pSymbols)
+{
+    std::unique_ptr<CharClass> xCharClass( xMap->isEnglish() ? nullptr : createCharClassIfNonEnglishUI());
+    const CharClass* pCharClass = xCharClass.get();
+    if (meSepType == FormulaCompiler::SeparatorType::RESOURCE_BASE)
+    {
+        for (sal_uInt16 i = 0; i <= SC_OPCODE_LAST_OPCODE_ID; ++i)
+        {
+            putDefaultOpCode( xMap, i, pCharClass);
+        }
+    }
+    else
+    {
+        for (sal_uInt16 i = 0; i <= SC_OPCODE_LAST_OPCODE_ID; ++i)
+        {
+            OUString aOpStr;
+            if ( getOpCodeString( aOpStr, i) )
+                xMap->putOpCode( aOpStr, OpCode(i), pCharClass);
+            else
+                putDefaultOpCode( xMap, i, pCharClass);
+        }
+    }
+}
+
+bool OpCodeList::getOpCodeString( OUString& rStr, sal_uInt16 nOp )
+{
+    switch (nOp)
+    {
+        case SC_OPCODE_SEP:
+        {
+            if (meSepType == FormulaCompiler::SeparatorType::SEMICOLON_BASE)
+            {
+                rStr = ";";
+                return true;
+            }
+        }
+        break;
+        case SC_OPCODE_ARRAY_COL_SEP:
+        {
+            if (meSepType == FormulaCompiler::SeparatorType::SEMICOLON_BASE)
+            {
+                rStr = ";";
+                return true;
+            }
+        }
+        break;
+        case SC_OPCODE_ARRAY_ROW_SEP:
+        {
+            if (meSepType == FormulaCompiler::SeparatorType::SEMICOLON_BASE)
+            {
+                rStr = "|";
+                return true;
+            }
+        }
+        break;
+    }
+
+    return false;
+}
+
+void OpCodeList::putDefaultOpCode( const FormulaCompiler::NonConstOpCodeMapPtr& xMap, sal_uInt16 nOp,
+        const CharClass* pCharClass )
+{
+    OUString sKey;
+    if (mpSymbols1)
+    {
+        const char* pKey = nullptr;
+        for (const std::pair<const char*, int>* pSymbol = mpSymbols1; pSymbol->first; ++pSymbol)
+        {
+            if (nOp == pSymbol->second)
+            {
+                pKey = pSymbol->first;
+                break;
+            }
+        }
+        if (!pKey)
+            return;
+        sKey = OUString::createFromAscii(pKey);
+    }
+    else if (mpSymbols2)
+    {
+        TranslateId pKey;
+        for (const std::pair<TranslateId, int>* pSymbol = mpSymbols2; pSymbol->first; ++pSymbol)
+        {
+            if (nOp == pSymbol->second)
+            {
+                pKey = pSymbol->first;
+                break;
+            }
+        }
+        if (!pKey)
+            return;
+        sKey = ForResId(pKey);
+    }
+    xMap->putOpCode(sKey, OpCode(nOp), pCharClass);
+}
+
+// static
+const sal_Unicode* lcl_UnicodeStrChr( const sal_Unicode* pStr, sal_Unicode c )
+{
+    if ( !pStr )
+        return nullptr;
+    while ( *pStr )
+    {
+        if ( *pStr == c )
+            return pStr;
+        pStr++;
+    }
+    return nullptr;
+}
+
+struct OpCodeMapData
+{
+    FormulaCompiler::NonConstOpCodeMapPtr mxSymbolMap;
+    osl::Mutex maMtx;
+};
+
+
+bool isPotentialRangeLeftOp( OpCode eOp )
+{
+    switch (eOp)
+    {
+        case ocClose:
+            return true;
+        default:
+            return false;
+    }
+}
+
+bool isRangeResultFunction( OpCode eOp )
+{
+    switch (eOp)
+    {
+        case ocIndirect:
+        case ocOffset:
+            return true;
+        default:
+            return false;
+    }
+}
+
+bool isRangeResultOpCode( OpCode eOp )
+{
+    switch (eOp)
+    {
+        case ocRange:
+        case ocUnion:
+        case ocIntersect:
+        case ocIndirect:
+        case ocOffset:
+            return true;
+        default:
+            return false;
+    }
+}
+
+/**
+    @param  pToken
+            MUST be a valid token, caller has to ensure.
+
+    @param  bRight
+            If bRPN==false, bRight==false means opcodes for left side are
+            checked, bRight==true means opcodes for right side. If bRPN==true
+            it doesn't matter except for the ocSep converted to ocUnion case.
+ */
+bool isPotentialRangeType( FormulaToken const * pToken, bool bRPN, bool bRight )
+{
+    switch (pToken->GetType())
+    {
+        case svByte:                // could be range result, but only a few
+            if (bRPN)
+                return isRangeResultOpCode( pToken->GetOpCode());
+            else if (bRight)
+                return isRangeResultFunction( pToken->GetOpCode());
+            else
+                return isPotentialRangeLeftOp( pToken->GetOpCode());
+        case svSingleRef:
+        case svDoubleRef:
+        case svIndex:               // could be range
+        //case svRefList:           // um..what?
+        case svExternalSingleRef:
+        case svExternalDoubleRef:
+        case svExternalName:        // could be range
+            return true;
+        case svSep:
+            // A special case if a previous ocSep was converted to ocUnion it
+            // stays svSep instead of svByte.
+            return bRPN && !bRight && pToken->GetOpCode() == ocUnion;
+        default:
+            // Separators are not part of RPN and right opcodes need to be
+            // other StackVar types or functions and thus svByte.
+            return !bRPN && !bRight && isPotentialRangeLeftOp( pToken->GetOpCode());
+    }
+}
+
+bool isIntersectable( FormulaToken** pCode1, FormulaToken** pCode2 )
+{
+    FormulaToken* pToken1 = *pCode1;
+    FormulaToken* pToken2 = *pCode2;
+    if (pToken1 && pToken2)
+        return isPotentialRangeType( pToken1, true, false) && isPotentialRangeType( pToken2, true, true);
+    return false;
+}
+
+bool isAdjacentRpnEnd( sal_uInt16 nPC,
+        FormulaToken const * const * const pCode,
+        FormulaToken const * const * const pCode1,
+        FormulaToken const * const * const pCode2 )
+{
+    return nPC >= 2 && pCode1 && pCode2 &&
+            (pCode2 - pCode1 == 1) && (pCode - pCode2 == 1) &&
+            (*pCode1 != nullptr) && (*pCode2 != nullptr);
+}
+
+bool isAdjacentOrGapRpnEnd( sal_uInt16 nPC,
+        FormulaToken const * const * const pCode,
+        FormulaToken const * const * const pCode1,
+        FormulaToken const * const * const pCode2 )
+{
+    return nPC >= 2 && pCode1 && pCode2 &&
+            (pCode2 > pCode1) && (pCode - pCode2 == 1) &&
+            (*pCode1 != nullptr) && (*pCode2 != nullptr);
+}
+
+
+} // namespace
+
+
+void FormulaCompiler::OpCodeMap::putExternal( const OUString & rSymbol, const OUString & rAddIn )
+{
+    // Different symbols may map to the same AddIn, but the same AddIn may not
+    // map to different symbols, the first pair wins. Same symbol of course may
+    // not map to different AddIns, again the first pair wins and also the
+    // AddIn->symbol mapping is not inserted in other cases.
+    bool bOk = maExternalHashMap.emplace(rSymbol, rAddIn).second;
+    SAL_WARN_IF( !bOk, "formula.core", "OpCodeMap::putExternal: symbol not inserted, " << rSymbol << " -> " << rAddIn);
+    if (bOk)
+    {
+        bOk = maReverseExternalHashMap.emplace(rAddIn, rSymbol).second;
+        // Failed insertion of the AddIn is ok for different symbols mapping to
+        // the same AddIn. Make this INFO only.
+        SAL_INFO_IF( !bOk, "formula.core", "OpCodeMap::putExternal: AddIn not inserted, " << rAddIn << " -> " << rSymbol);
+    }
+}
+
+void FormulaCompiler::OpCodeMap::putExternalSoftly( const OUString & rSymbol, const OUString & rAddIn )
+{
+    // Same as putExternal() but no warning, instead info whether inserted or not.
+    bool bOk = maExternalHashMap.emplace(rSymbol, rAddIn).second;
+    SAL_INFO( "formula.core", "OpCodeMap::putExternalSoftly: symbol " << (bOk ? "" : "not ") << "inserted, " << rSymbol << " -> " << rAddIn);
+    if (bOk)
+    {
+        bOk = maReverseExternalHashMap.emplace(rAddIn, rSymbol).second;
+        SAL_INFO_IF( !bOk, "formula.core", "OpCodeMap::putExternalSoftly: AddIn not inserted, " << rAddIn << " -> " << rSymbol);
+    }
+}
+
+uno::Sequence< sheet::FormulaToken > FormulaCompiler::OpCodeMap::createSequenceOfFormulaTokens(
+        const FormulaCompiler& rCompiler, const uno::Sequence< OUString >& rNames ) const
+{
+    const sal_Int32 nLen = rNames.getLength();
+    uno::Sequence< sheet::FormulaToken > aTokens( nLen);
+    sheet::FormulaToken* pToken = aTokens.getArray();
+    OUString const * pName = rNames.getConstArray();
+    OUString const * const pStop = pName + nLen;
+    for ( ; pName < pStop; ++pName, ++pToken)
+    {
+        OpCodeHashMap::const_iterator iLook( maHashMap.find( *pName));
+        if (iLook != maHashMap.end())
+            pToken->OpCode = (*iLook).second;
+        else
+        {
+            OUString aIntName;
+            if (hasExternals())
+            {
+                ExternalHashMap::const_iterator iExt( maExternalHashMap.find( *pName));
+                if (iExt != maExternalHashMap.end())
+                    aIntName = (*iExt).second;
+                // Check for existence not needed here, only name-mapping is of
+                // interest.
+            }
+            if (aIntName.isEmpty())
+                aIntName = rCompiler.FindAddInFunction(*pName, !isEnglish());    // bLocalFirst=false for english
+            if (aIntName.isEmpty())
+                pToken->OpCode = getOpCodeUnknown();
+            else
+            {
+                pToken->OpCode = ocExternal;
+                pToken->Data <<= aIntName;
+            }
+        }
+    }
+    return aTokens;
+}
+
+uno::Sequence< sheet::FormulaOpCodeMapEntry > FormulaCompiler::OpCodeMap::createSequenceOfAvailableMappings(
+        const FormulaCompiler& rCompiler, const sal_Int32 nGroups ) const
+{
+    using namespace sheet;
+
+    // Unfortunately uno::Sequence can't grow without cumbersome reallocs. As
+    // we don't know in advance how many elements it will have we use a
+    // temporary vector to add elements and then copy to Sequence :-(
+    ::std::vector< FormulaOpCodeMapEntry > aVec;
+
+    if (nGroups == FormulaMapGroup::SPECIAL)
+    {
+        // Use specific order, keep in sync with
+        // offapi/com/sun/star/sheet/FormulaMapGroupSpecialOffset.idl
+        static const struct
+        {
+            sal_Int32 nOff;
+            OpCode    eOp;
+        } aMap[] = {
+            { FormulaMapGroupSpecialOffset::PUSH              , ocPush }           ,
+            { FormulaMapGroupSpecialOffset::CALL              , ocCall }           ,
+            { FormulaMapGroupSpecialOffset::STOP              , ocStop }           ,
+            { FormulaMapGroupSpecialOffset::EXTERNAL          , ocExternal }       ,
+            { FormulaMapGroupSpecialOffset::NAME              , ocName }           ,
+            { FormulaMapGroupSpecialOffset::NO_NAME           , ocNoName }         ,
+            { FormulaMapGroupSpecialOffset::MISSING           , ocMissing }        ,
+            { FormulaMapGroupSpecialOffset::BAD               , ocBad }            ,
+            { FormulaMapGroupSpecialOffset::SPACES            , ocSpaces }         ,
+            { FormulaMapGroupSpecialOffset::MAT_REF           , ocMatRef }         ,
+            { FormulaMapGroupSpecialOffset::DB_AREA           , ocDBArea }         ,
+            /* TODO: { FormulaMapGroupSpecialOffset::TABLE_REF         , ocTableRef }       , */
+            { FormulaMapGroupSpecialOffset::MACRO             , ocMacro }          ,
+            { FormulaMapGroupSpecialOffset::COL_ROW_NAME      , ocColRowName }     ,
+            { FormulaMapGroupSpecialOffset::WHITESPACE        , ocWhitespace }
+        };
+        const size_t nCount = SAL_N_ELEMENTS(aMap);
+        // Preallocate vector elements.
+        FormulaOpCodeMapEntry aEntry;
+        aEntry.Token.OpCode = getOpCodeUnknown();
+        aVec.resize(nCount, aEntry);
+
+        for (auto& i : aMap)
+        {
+            size_t nIndex = static_cast< size_t >( i.nOff );
+            if (aVec.size() <= nIndex)
+            {
+                // The offsets really should be aligned with the size, so if
+                // the vector was preallocated above this code to resize it is
+                // just a measure in case the table isn't in sync with the API,
+                // usually it isn't executed.
+                aEntry.Token.OpCode = getOpCodeUnknown();
+                aVec.resize( nIndex + 1, aEntry );
+            }
+            aEntry.Token.OpCode = i.eOp;
+            aVec[nIndex] = aEntry;
+        }
+    }
+    else
+    {
+        /* FIXME: Once we support error constants in formulas we'll need a map
+         * group for that, e.g. FormulaMapGroup::ERROR_CONSTANTS, and fill
+         * SC_OPCODE_START_ERRORS to SC_OPCODE_STOP_ERRORS. */
+
+        // Anything else but SPECIAL.
+        if ((nGroups & FormulaMapGroup::SEPARATORS) != 0)
+        {
+            static const sal_uInt16 aOpCodes[] = {
+                SC_OPCODE_OPEN,
+                SC_OPCODE_CLOSE,
+                SC_OPCODE_SEP,
+            };
+            lclPushOpCodeMapEntries( aVec, mpTable.get(), aOpCodes, SAL_N_ELEMENTS(aOpCodes) );
+        }
+        if ((nGroups & FormulaMapGroup::ARRAY_SEPARATORS) != 0)
+        {
+            static const sal_uInt16 aOpCodes[] = {
+                SC_OPCODE_ARRAY_OPEN,
+                SC_OPCODE_ARRAY_CLOSE,
+                SC_OPCODE_ARRAY_ROW_SEP,
+                SC_OPCODE_ARRAY_COL_SEP
+            };
+            lclPushOpCodeMapEntries( aVec, mpTable.get(), aOpCodes, SAL_N_ELEMENTS(aOpCodes) );
+        }
+        if ((nGroups & FormulaMapGroup::UNARY_OPERATORS) != 0)
+        {
+            // Due to the nature of the percent operator following its operand
+            // it isn't sorted into unary operators for compiler interna.
+            lclPushOpCodeMapEntry( aVec, mpTable.get(), ocPercentSign );
+            // "+" can be used as unary operator too, push only if binary group is not set
+            if ((nGroups & FormulaMapGroup::BINARY_OPERATORS) == 0)
+                lclPushOpCodeMapEntry( aVec, mpTable.get(), ocAdd );
+            // regular unary operators
+            for (sal_uInt16 nOp = SC_OPCODE_START_UN_OP; nOp < SC_OPCODE_STOP_UN_OP && nOp < mnSymbols; ++nOp)
+            {
+                lclPushOpCodeMapEntry( aVec, mpTable.get(), nOp );
+            }
+        }
+        if ((nGroups & FormulaMapGroup::BINARY_OPERATORS) != 0)
+        {
+            for (sal_uInt16 nOp = SC_OPCODE_START_BIN_OP; nOp < SC_OPCODE_STOP_BIN_OP && nOp < mnSymbols; ++nOp)
+            {
+                switch (nOp)
+                {
+                    // AND and OR in fact are functions but for legacy reasons
+                    // are sorted into binary operators for compiler interna.
+                    case SC_OPCODE_AND :
+                    case SC_OPCODE_OR :
+                        break;   // nothing,
+                    default:
+                        lclPushOpCodeMapEntry( aVec, mpTable.get(), nOp );
+                }
+            }
+        }
+        if ((nGroups & FormulaMapGroup::FUNCTIONS) != 0)
+        {
+            // Function names are not consecutive, skip the gaps between
+            // functions with no parameter, functions with 1 parameter
+            lclPushOpCodeMapEntries( aVec, mpTable.get(), SC_OPCODE_START_NO_PAR,
+                    ::std::min< sal_uInt16 >( SC_OPCODE_STOP_NO_PAR, mnSymbols ) );
+            lclPushOpCodeMapEntries( aVec, mpTable.get(), SC_OPCODE_START_1_PAR,
+                    ::std::min< sal_uInt16 >( SC_OPCODE_STOP_1_PAR, mnSymbols ) );
+            // Additional functions not within range of functions.
+            static const sal_uInt16 aOpCodes[] = {
+                SC_OPCODE_IF,
+                SC_OPCODE_IF_ERROR,
+                SC_OPCODE_IF_NA,
+                SC_OPCODE_CHOOSE,
+                SC_OPCODE_AND,
+                SC_OPCODE_OR
+            };
+            lclPushOpCodeMapEntries( aVec, mpTable.get(), aOpCodes, SAL_N_ELEMENTS(aOpCodes) );
+            // functions with 2 or more parameters.
+            for (sal_uInt16 nOp = SC_OPCODE_START_2_PAR; nOp < SC_OPCODE_STOP_2_PAR && nOp < mnSymbols; ++nOp)
+            {
+                switch (nOp)
+                {
+                    // NO_NAME is in SPECIAL.
+                    case SC_OPCODE_NO_NAME :
+                        break;   // nothing,
+                    default:
+                        lclPushOpCodeMapEntry( aVec, mpTable.get(), nOp );
+                }
+            }
+            // If AddIn functions are present in this mapping, use them, and only those.
+            if (hasExternals())
+            {
+                for (auto const& elem : maExternalHashMap)
+                {
+                    FormulaOpCodeMapEntry aEntry;
+                    aEntry.Name = elem.first;
+                    aEntry.Token.Data <<= elem.second;
+                    aEntry.Token.OpCode = ocExternal;
+                    aVec.push_back( aEntry);
+                }
+            }
+            else
+            {
+                rCompiler.fillAddInToken( aVec, isEnglish());
+            }
+        }
+    }
+    return uno::Sequence< FormulaOpCodeMapEntry >(aVec.data(), aVec.size());
+}
+
+
+void FormulaCompiler::OpCodeMap::putOpCode( const OUString & rStr, const OpCode eOp, const CharClass* pCharClass )
+{
+    if (0 < eOp && sal_uInt16(eOp) < mnSymbols)
+    {
+        bool bPutOp = mpTable[eOp].isEmpty();
+        bool bRemoveFromMap = false;
+        if (!bPutOp)
+        {
+            switch (eOp)
+            {
+                // These OpCodes are meant to overwrite and also remove an
+                // existing mapping.
+                case ocCurrency:
+                    bPutOp = true;
+                    bRemoveFromMap = true;
+                break;
+                // These separator OpCodes are meant to overwrite and also
+                // remove an existing mapping if it is not used for one of the
+                // other separators.
+                case ocArrayColSep:
+                    bPutOp = true;
+                    bRemoveFromMap = (mpTable[ocArrayRowSep] != mpTable[eOp] && mpTable[ocSep] != mpTable[eOp]);
+                break;
+                case ocArrayRowSep:
+                    bPutOp = true;
+                    bRemoveFromMap = (mpTable[ocArrayColSep] != mpTable[eOp] && mpTable[ocSep] != mpTable[eOp]);
+                break;
+                // For ocSep keep the ";" in map but remove any other if it is
+                // not used for ocArrayColSep or ocArrayRowSep.
+                case ocSep:
+                    bPutOp = true;
+                    bRemoveFromMap = (mpTable[eOp] != ";" &&
+                            mpTable[ocArrayColSep] != mpTable[eOp] &&
+                            mpTable[ocArrayRowSep] != mpTable[eOp]);
+                break;
+                // These OpCodes are known to be duplicates in the Excel
+                // external API mapping because of different parameter counts
+                // in different BIFF versions. Names are identical and entries
+                // are ignored.
+                case ocLinest:
+                case ocTrend:
+                case ocLogest:
+                case ocGrowth:
+                case ocTrunc:
+                case ocFixed:
+                case ocGetDayOfWeek:
+                case ocHLookup:
+                case ocVLookup:
+                case ocGetDiffDate360:
+                    if (rStr == mpTable[eOp])
+                        return;
+                    [[fallthrough]];
+                // These OpCodes are known to be added to an existing mapping,
+                // but only for the OOXML external API mapping. This is *not*
+                // FormulaLanguage::OOXML. Keep the first
+                // (correct) definition for the OpCode, all following are
+                // additional alias entries in the map.
+                case ocErrorType:
+                case ocMultiArea:
+                case ocBackSolver:
+                case ocEasterSunday:
+                case ocCurrent:
+                case ocStyle:
+                    if (mbEnglish &&
+                            FormulaGrammar::extractFormulaLanguage( meGrammar) == FormulaGrammar::GRAM_EXTERNAL)
+                    {
+                        // Both bPutOp and bRemoveFromMap stay false.
+                        break;
+                    }
+                    [[fallthrough]];
+                default:
+                    SAL_WARN("formula.core",
+                            "OpCodeMap::putOpCode: reusing OpCode " << static_cast<sal_uInt16>(eOp)
+                            << ", replacing '" << mpTable[eOp] << "' with '" << rStr << "' in "
+                            << (mbEnglish ? "" : "non-") << "English map 0x" << ::std::hex << meGrammar);
+            }
+        }
+
+        // Case preserving opcode -> string, upper string -> opcode
+        if (bRemoveFromMap)
+        {
+            OUString aUpper( pCharClass ? pCharClass->uppercase( mpTable[eOp]) : rStr.toAsciiUpperCase());
+            // Ensure we remove a mapping only for the requested OpCode.
+            OpCodeHashMap::const_iterator it( maHashMap.find( aUpper));
+            if (it != maHashMap.end() && (*it).second == eOp)
+                maHashMap.erase( it);
+        }
+        if (bPutOp)
+            mpTable[eOp] = rStr;
+        OUString aUpper( pCharClass ? pCharClass->uppercase( rStr) : rStr.toAsciiUpperCase());
+        maHashMap.emplace(aUpper, eOp);
+    }
+    else
+    {
+        SAL_WARN( "formula.core", "OpCodeMap::putOpCode: OpCode out of range");
+    }
+}
+
+
+FormulaCompiler::FormulaCompiler( FormulaTokenArray& rArr, bool bComputeII, bool bMatrixFlag )
+        :
+        nCurrentFactorParam(0),
+        pArr( &rArr ),
+        maArrIterator( rArr ),
+        pCode( nullptr ),
+        pStack( nullptr ),
+        eLastOp( ocPush ),
+        nRecursion( 0 ),
+        nNumFmt( SvNumFormatType::UNDEFINED ),
+        pc( 0 ),
+        meGrammar( formula::FormulaGrammar::GRAM_UNSPECIFIED ),
+        bAutoCorrect( false ),
+        bCorrected( false ),
+        glSubTotal( false ),
+        needsRPNTokenCheck( false ),
+        mbJumpCommandReorder(true),
+        mbStopOnError(true),
+        mbComputeII(bComputeII),
+        mbMatrixFlag(bMatrixFlag)
+{
+}
+
+FormulaTokenArray FormulaCompiler::smDummyTokenArray;
+
+FormulaCompiler::FormulaCompiler(bool bComputeII, bool bMatrixFlag)
+        :
+        nCurrentFactorParam(0),
+        pArr( nullptr ),
+        maArrIterator( smDummyTokenArray ),
+        pCode( nullptr ),
+        pStack( nullptr ),
+        eLastOp( ocPush ),
+        nRecursion(0),
+        nNumFmt( SvNumFormatType::UNDEFINED ),
+        pc( 0 ),
+        meGrammar( formula::FormulaGrammar::GRAM_UNSPECIFIED ),
+        bAutoCorrect( false ),
+        bCorrected( false ),
+        glSubTotal( false ),
+        needsRPNTokenCheck( false ),
+        mbJumpCommandReorder(true),
+        mbStopOnError(true),
+        mbComputeII(bComputeII),
+        mbMatrixFlag(bMatrixFlag)
+{
+}
+
+FormulaCompiler::~FormulaCompiler()
+{
+}
+
+FormulaCompiler::OpCodeMapPtr FormulaCompiler::GetOpCodeMap( const sal_Int32 nLanguage ) const
+{
+    const bool bTemporary = !HasOpCodeMap(nLanguage);
+    OpCodeMapPtr xMap = GetFinalOpCodeMap(nLanguage);
+    if (bTemporary)
+        const_cast<FormulaCompiler*>(this)->DestroyOpCodeMap(nLanguage);
+    return xMap;
+}
+
+FormulaCompiler::OpCodeMapPtr FormulaCompiler::GetFinalOpCodeMap( const sal_Int32 nLanguage ) const
+{
+    FormulaCompiler::OpCodeMapPtr xMap;
+    using namespace sheet;
+    switch (nLanguage)
+    {
+        case FormulaLanguage::ODFF :
+            if (!mxSymbolsODFF)
+                InitSymbolsODFF( InitSymbols::INIT);
+            xMap = mxSymbolsODFF;
+            break;
+        case FormulaLanguage::ODF_11 :
+            if (!mxSymbolsPODF)
+                InitSymbolsPODF( InitSymbols::INIT);
+            xMap = mxSymbolsPODF;
+            break;
+        case FormulaLanguage::ENGLISH :
+            if (!mxSymbolsEnglish)
+                InitSymbolsEnglish( InitSymbols::INIT);
+            xMap = mxSymbolsEnglish;
+            break;
+        case FormulaLanguage::NATIVE :
+            if (!mxSymbolsNative)
+                InitSymbolsNative( InitSymbols::INIT);
+            xMap = mxSymbolsNative;
+            break;
+        case FormulaLanguage::XL_ENGLISH:
+            if (!mxSymbolsEnglishXL)
+                InitSymbolsEnglishXL( InitSymbols::INIT);
+            xMap = mxSymbolsEnglishXL;
+            break;
+        case FormulaLanguage::OOXML:
+            if (!mxSymbolsOOXML)
+                InitSymbolsOOXML( InitSymbols::INIT);
+            xMap = mxSymbolsOOXML;
+            break;
+        case FormulaLanguage::API :
+            if (!mxSymbolsAPI)
+                InitSymbolsAPI( InitSymbols::INIT);
+            xMap = mxSymbolsAPI;
+            break;
+        default:
+            ;   // nothing, NULL map returned
+    }
+    return xMap;
+}
+
+void FormulaCompiler::DestroyOpCodeMap( const sal_Int32 nLanguage )
+{
+    using namespace sheet;
+    switch (nLanguage)
+    {
+        case FormulaLanguage::ODFF :
+            InitSymbolsODFF( InitSymbols::DESTROY);
+            break;
+        case FormulaLanguage::ODF_11 :
+            InitSymbolsPODF( InitSymbols::DESTROY);
+            break;
+        case FormulaLanguage::ENGLISH :
+            InitSymbolsEnglish( InitSymbols::DESTROY);
+            break;
+        case FormulaLanguage::NATIVE :
+            InitSymbolsNative( InitSymbols::DESTROY);
+            break;
+        case FormulaLanguage::XL_ENGLISH:
+            InitSymbolsEnglishXL( InitSymbols::DESTROY);
+            break;
+        case FormulaLanguage::OOXML:
+            InitSymbolsOOXML( InitSymbols::DESTROY);
+            break;
+        case FormulaLanguage::API :
+            InitSymbolsAPI( InitSymbols::DESTROY);
+            break;
+        default:
+            ;   // nothing
+    }
+}
+
+bool FormulaCompiler::HasOpCodeMap( const sal_Int32 nLanguage ) const
+{
+    using namespace sheet;
+    switch (nLanguage)
+    {
+        case FormulaLanguage::ODFF :
+            return InitSymbolsODFF( InitSymbols::ASK);
+        case FormulaLanguage::ODF_11 :
+            return InitSymbolsPODF( InitSymbols::ASK);
+        case FormulaLanguage::ENGLISH :
+            return InitSymbolsEnglish( InitSymbols::ASK);
+        case FormulaLanguage::NATIVE :
+            return InitSymbolsNative( InitSymbols::ASK);
+        case FormulaLanguage::XL_ENGLISH:
+            return InitSymbolsEnglishXL( InitSymbols::ASK);
+        case FormulaLanguage::OOXML:
+            return InitSymbolsOOXML( InitSymbols::ASK);
+        case FormulaLanguage::API :
+            return InitSymbolsAPI( InitSymbols::ASK);
+        default:
+            ;   // nothing
+    }
+    return false;
+}
+
+OUString FormulaCompiler::FindAddInFunction( const OUString& /*rUpperName*/, bool /*bLocalFirst*/ ) const
+{
+    return OUString();
+}
+
+FormulaCompiler::OpCodeMapPtr FormulaCompiler::CreateOpCodeMap(
+        const uno::Sequence<
+        const sheet::FormulaOpCodeMapEntry > & rMapping,
+        bool bEnglish )
+{
+    using sheet::FormulaOpCodeMapEntry;
+    // Filter / API maps are never Core
+    NonConstOpCodeMapPtr xMap = std::make_shared<OpCodeMap>( SC_OPCODE_LAST_OPCODE_ID + 1, false,
+                FormulaGrammar::mergeToGrammar( FormulaGrammar::setEnglishBit(
+                        FormulaGrammar::GRAM_EXTERNAL, bEnglish), FormulaGrammar::CONV_UNSPECIFIED));
+    std::unique_ptr<CharClass> xCharClass( xMap->isEnglish() ? nullptr : createCharClassIfNonEnglishUI());
+    const CharClass* pCharClass = xCharClass.get();
+    for (auto const& rMapEntry : rMapping)
+    {
+        OpCode eOp = OpCode(rMapEntry.Token.OpCode);
+        if (eOp != ocExternal)
+            xMap->putOpCode( rMapEntry.Name, eOp, pCharClass);
+        else
+        {
+            OUString aExternalName;
+            if (rMapEntry.Token.Data >>= aExternalName)
+                xMap->putExternal( rMapEntry.Name, aExternalName);
+            else
+            {
+                SAL_WARN( "formula.core", "FormulaCompiler::CreateOpCodeMap: no Token.Data external name");
+            }
+        }
+    }
+    return xMap;
+}
+
+static bool lcl_fillNativeSymbols( FormulaCompiler::NonConstOpCodeMapPtr& xMap, FormulaCompiler::InitSymbols eWhat = FormulaCompiler::InitSymbols::INIT )
+{
+    static OpCodeMapData aSymbolMap;
+    osl::MutexGuard aGuard(&aSymbolMap.maMtx);
+
+    if (eWhat == FormulaCompiler::InitSymbols::ASK)
+    {
+        return bool(aSymbolMap.mxSymbolMap);
+    }
+    else if (eWhat == FormulaCompiler::InitSymbols::DESTROY)
+    {
+        aSymbolMap.mxSymbolMap.reset();
+    }
+    else if (!aSymbolMap.mxSymbolMap)
+    {
+        // Core
+        aSymbolMap.mxSymbolMap =
+            std::make_shared<FormulaCompiler::OpCodeMap>(
+                SC_OPCODE_LAST_OPCODE_ID + 1, true, FormulaGrammar::GRAM_NATIVE_UI);
+        OpCodeList aOpCodeListSymbols(RID_STRLIST_FUNCTION_NAMES_SYMBOLS, aSymbolMap.mxSymbolMap);
+        OpCodeList aOpCodeListNative(RID_STRLIST_FUNCTION_NAMES, aSymbolMap.mxSymbolMap);
+        // No AddInMap for native core mapping.
+    }
+
+    xMap = aSymbolMap.mxSymbolMap;
+
+    return true;
+}
+
+const OUString& FormulaCompiler::GetNativeSymbol( OpCode eOp )
+{
+    NonConstOpCodeMapPtr xSymbolsNative;
+    lcl_fillNativeSymbols( xSymbolsNative);
+    return xSymbolsNative->getSymbol( eOp );
+}
+
+sal_Unicode FormulaCompiler::GetNativeSymbolChar( OpCode eOp )
+{
+    return GetNativeSymbol(eOp)[0];
+}
+
+bool FormulaCompiler::InitSymbolsNative( FormulaCompiler::InitSymbols eWhat ) const
+{
+    return lcl_fillNativeSymbols( mxSymbolsNative, eWhat);
+}
+
+bool FormulaCompiler::InitSymbolsEnglish( FormulaCompiler::InitSymbols eWhat ) const
+{
+    static OpCodeMapData aMap;
+    osl::MutexGuard aGuard(&aMap.maMtx);
+    if (eWhat == InitSymbols::ASK)
+        return bool(aMap.mxSymbolMap);
+    else if (eWhat == InitSymbols::DESTROY)
+        aMap.mxSymbolMap.reset();
+    else if (!aMap.mxSymbolMap)
+        loadSymbols(RID_STRLIST_FUNCTION_NAMES_ENGLISH, FormulaGrammar::GRAM_ENGLISH, aMap.mxSymbolMap);
+    mxSymbolsEnglish = aMap.mxSymbolMap;
+    return true;
+}
+
+bool FormulaCompiler::InitSymbolsPODF( FormulaCompiler::InitSymbols eWhat ) const
+{
+    static OpCodeMapData aMap;
+    osl::MutexGuard aGuard(&aMap.maMtx);
+    if (eWhat == InitSymbols::ASK)
+        return bool(aMap.mxSymbolMap);
+    else if (eWhat == InitSymbols::DESTROY)
+        aMap.mxSymbolMap.reset();
+    else if (!aMap.mxSymbolMap)
+        loadSymbols(RID_STRLIST_FUNCTION_NAMES_ENGLISH_PODF, FormulaGrammar::GRAM_PODF, aMap.mxSymbolMap, SeparatorType::RESOURCE_BASE);
+    mxSymbolsPODF = aMap.mxSymbolMap;
+    return true;
+}
+
+bool FormulaCompiler::InitSymbolsAPI( FormulaCompiler::InitSymbols eWhat ) const
+{
+    static OpCodeMapData aMap;
+    osl::MutexGuard aGuard(&aMap.maMtx);
+    if (eWhat == InitSymbols::ASK)
+        return bool(aMap.mxSymbolMap);
+    else if (eWhat == InitSymbols::DESTROY)
+        aMap.mxSymbolMap.reset();
+    else if (!aMap.mxSymbolMap)
+        loadSymbols(RID_STRLIST_FUNCTION_NAMES_ENGLISH_API, FormulaGrammar::GRAM_API, aMap.mxSymbolMap, SeparatorType::RESOURCE_BASE);
+    mxSymbolsAPI = aMap.mxSymbolMap;
+    return true;
+}
+
+bool FormulaCompiler::InitSymbolsODFF( FormulaCompiler::InitSymbols eWhat ) const
+{
+    static OpCodeMapData aMap;
+    osl::MutexGuard aGuard(&aMap.maMtx);
+    if (eWhat == InitSymbols::ASK)
+        return bool(aMap.mxSymbolMap);
+    else if (eWhat == InitSymbols::DESTROY)
+        aMap.mxSymbolMap.reset();
+    else if (!aMap.mxSymbolMap)
+        loadSymbols(RID_STRLIST_FUNCTION_NAMES_ENGLISH_ODFF, FormulaGrammar::GRAM_ODFF, aMap.mxSymbolMap, SeparatorType::RESOURCE_BASE);
+    mxSymbolsODFF = aMap.mxSymbolMap;
+    return true;
+}
+
+bool FormulaCompiler::InitSymbolsEnglishXL( FormulaCompiler::InitSymbols eWhat ) const
+{
+    static OpCodeMapData aMap;
+    osl::MutexGuard aGuard(&aMap.maMtx);
+    if (eWhat == InitSymbols::ASK)
+        return bool(aMap.mxSymbolMap);
+    else if (eWhat == InitSymbols::DESTROY)
+        aMap.mxSymbolMap.reset();
+    else if (!aMap.mxSymbolMap)
+        loadSymbols(RID_STRLIST_FUNCTION_NAMES_ENGLISH, FormulaGrammar::GRAM_ENGLISH, aMap.mxSymbolMap);
+    mxSymbolsEnglishXL = aMap.mxSymbolMap;
+    if (eWhat != InitSymbols::INIT)
+        return true;
+
+    // TODO: For now, just replace the separators to the Excel English
+    // variants. Later, if we want to properly map Excel functions with Calc
+    // functions, we'll need to do a little more work here.
+    mxSymbolsEnglishXL->putOpCode( OUString(','), ocSep, nullptr);
+    mxSymbolsEnglishXL->putOpCode( OUString(','), ocArrayColSep, nullptr);
+    mxSymbolsEnglishXL->putOpCode( OUString(';'), ocArrayRowSep, nullptr);
+
+    return true;
+}
+
+bool FormulaCompiler::InitSymbolsOOXML( FormulaCompiler::InitSymbols eWhat ) const
+{
+    static OpCodeMapData aMap;
+    osl::MutexGuard aGuard(&aMap.maMtx);
+    if (eWhat == InitSymbols::ASK)
+        return bool(aMap.mxSymbolMap);
+    else if (eWhat == InitSymbols::DESTROY)
+        aMap.mxSymbolMap.reset();
+    else if (!aMap.mxSymbolMap)
+        loadSymbols(RID_STRLIST_FUNCTION_NAMES_ENGLISH_OOXML, FormulaGrammar::GRAM_OOXML, aMap.mxSymbolMap, SeparatorType::RESOURCE_BASE);
+    mxSymbolsOOXML = aMap.mxSymbolMap;
+    return true;
+}
+
+
+void FormulaCompiler::loadSymbols(const std::pair<const char*, int>* pSymbols, FormulaGrammar::Grammar eGrammar,
+        NonConstOpCodeMapPtr& rxMap, SeparatorType eSepType) const
+{
+    if ( rxMap )
+        return;
+
+    // not Core
+    rxMap = std::make_shared<OpCodeMap>( SC_OPCODE_LAST_OPCODE_ID + 1, eGrammar != FormulaGrammar::GRAM_ODFF, eGrammar );
+    OpCodeList aOpCodeList(pSymbols, rxMap, eSepType);
+
+    fillFromAddInMap( rxMap, eGrammar);
+    // Fill from collection for AddIns not already present.
+    if (FormulaGrammar::GRAM_ENGLISH == eGrammar)
+        fillFromAddInCollectionEnglishName( rxMap);
+    else
+    {
+        fillFromAddInCollectionUpperName( rxMap);
+        if (FormulaGrammar::GRAM_API == eGrammar)
+        {
+            // Add known but not in AddInMap English names, e.g. from the
+            // PricingFunctions AddIn or any user supplied AddIn.
+            fillFromAddInCollectionEnglishName( rxMap);
+        }
+    }
+}
+
+void FormulaCompiler::fillFromAddInCollectionUpperName( const NonConstOpCodeMapPtr& /*xMap */) const
+{
+}
+
+void FormulaCompiler::fillFromAddInCollectionEnglishName( const NonConstOpCodeMapPtr& /*xMap */) const
+{
+}
+
+void FormulaCompiler::fillFromAddInMap( const NonConstOpCodeMapPtr& /*xMap*/, FormulaGrammar::Grammar /*_eGrammar */) const
+{
+}
+
+OpCode FormulaCompiler::GetEnglishOpCode( const OUString& rName ) const
+{
+    FormulaCompiler::OpCodeMapPtr xMap = GetOpCodeMap( sheet::FormulaLanguage::ENGLISH);
+
+    formula::OpCodeHashMap::const_iterator iLook( xMap->getHashMap().find( rName ) );
+    bool bFound = (iLook != xMap->getHashMap().end());
+    return bFound ? (*iLook).second : ocNone;
+}
+
+bool FormulaCompiler::IsOpCodeVolatile( OpCode eOp )
+{
+    bool bRet = false;
+    switch (eOp)
+    {
+        // no parameters:
+        case ocRandom:
+        case ocGetActDate:
+        case ocGetActTime:
+        // one parameter:
+        case ocFormula:
+        case ocInfo:
+        // more than one parameters:
+            // ocIndirect otherwise would have to do
+            // StopListening and StartListening on a reference for every
+            // interpreted value.
+        case ocIndirect:
+            // ocOffset results in indirect references.
+        case ocOffset:
+            // ocDebugVar shows internal value that may change as the internal state changes.
+        case ocDebugVar:
+            bRet = true;
+            break;
+        default:
+            bRet = false;
+            break;
+    }
+    return bRet;
+}
+
+bool FormulaCompiler::IsOpCodeJumpCommand( OpCode eOp )
+{
+    switch (eOp)
+    {
+        case ocIf:
+        case ocIfError:
+        case ocIfNA:
+        case ocChoose:
+            return true;
+        default:
+            ;
+    }
+    return false;
+}
+
+// Remove quotes, escaped quotes are unescaped.
+bool FormulaCompiler::DeQuote( OUString& rStr )
+{
+    sal_Int32 nLen = rStr.getLength();
+    if ( nLen > 1 && rStr[0] == '\'' && rStr[ nLen-1 ] == '\'' )
+    {
+        rStr = rStr.copy( 1, nLen-2 );
+        rStr = rStr.replaceAll( "''", "'" );
+        return true;
+    }
+    return false;
+}
+
+void FormulaCompiler::fillAddInToken(
+        ::std::vector< sheet::FormulaOpCodeMapEntry >& /*_rVec*/,
+        bool /*_bIsEnglish*/) const
+{
+}
+
+bool FormulaCompiler::IsMatrixFunction( OpCode eOpCode )
+{
+    switch (eOpCode)
+    {
+        case ocDde :
+        case ocGrowth :
+        case ocTrend :
+        case ocLogest :
+        case ocLinest :
+        case ocFrequency :
+        case ocMatTrans :
+        case ocMatMult :
+        case ocMatInv :
+        case ocMatrixUnit :
+        case ocModalValue_Multi :
+        case ocFourier :
+            return true;
+        default:
+        {
+            // added to avoid warnings
+        }
+    }
+    return false;
+}
+
+
+void FormulaCompiler::OpCodeMap::putCopyOpCode( const OUString& rSymbol, OpCode eOp )
+{
+    SAL_WARN_IF( !mpTable[eOp].isEmpty() && rSymbol.isEmpty(), "formula.core",
+            "OpCodeMap::putCopyOpCode: NOT replacing OpCode " << static_cast<sal_uInt16>(eOp)
+            << " '" << mpTable[eOp] << "' with empty name!");
+    if (!mpTable[eOp].isEmpty() && rSymbol.isEmpty())
+        maHashMap.emplace(mpTable[eOp], eOp);
+    else
+    {
+        mpTable[eOp] = rSymbol;
+        maHashMap.emplace(rSymbol, eOp);
+    }
+}
+
+void FormulaCompiler::OpCodeMap::copyFrom( const OpCodeMap& r )
+{
+    maHashMap = OpCodeHashMap( mnSymbols);
+
+    sal_uInt16 n = r.getSymbolCount();
+    SAL_WARN_IF( n != mnSymbols, "formula.core",
+            "OpCodeMap::copyFrom: unequal size, this: " << mnSymbols << "  that: " << n);
+    if (n > mnSymbols)
+        n = mnSymbols;
+
+    // OpCode 0 (ocPush) should never be in a map.
+    SAL_WARN_IF( !mpTable[0].isEmpty() || !r.mpTable[0].isEmpty(), "formula.core",
+            "OpCodeMap::copyFrom: OpCode 0 assigned, this: '"
+            << mpTable[0] << "'  that: '" << r.mpTable[0] << "'");
+
+    // For bOverrideKnownBad when copying from the English core map (ODF 1.1
+    // and API) to the native map (UI "use English function names") replace the
+    // known bad legacy function names with correct ones.
+    if (r.mbCore &&
+            FormulaGrammar::extractFormulaLanguage( meGrammar) == sheet::FormulaLanguage::NATIVE &&
+            FormulaGrammar::extractFormulaLanguage( r.meGrammar) == sheet::FormulaLanguage::ENGLISH)
+    {
+        for (sal_uInt16 i = 1; i < n; ++i)
+        {
+            OUString aSymbol;
+            OpCode eOp = OpCode(i);
+            switch (eOp)
+            {
+                case ocRRI:
+                    aSymbol = "RRI";
+                    break;
+                case ocTableOp:
+                    aSymbol = "MULTIPLE.OPERATIONS";
+                    break;
+                default:
+                    aSymbol = r.mpTable[i];
+            }
+            putCopyOpCode( aSymbol, eOp);
+        }
+    }
+    else
+    {
+        for (sal_uInt16 i = 1; i < n; ++i)
+        {
+            OpCode eOp = OpCode(i);
+            const OUString& rSymbol = r.mpTable[i];
+            putCopyOpCode( rSymbol, eOp);
+        }
+    }
+
+    // This was meant to copy to native map that does not have AddIn symbols
+    // but needs them from the source map. It is unclear what should happen if
+    // the destination already had externals, so do it only if it doesn't.
+    if (!hasExternals())
+    {
+        maExternalHashMap = r.maExternalHashMap;
+        maReverseExternalHashMap = r.maReverseExternalHashMap;
+        mbCore = r.mbCore;
+        if (mbEnglish != r.mbEnglish)
+        {
+            // For now keep mbEnglishLocale setting, which is false for a
+            // non-English native map we're copying to.
+            /* TODO:
+            if (!mbEnglish && r.mbEnglish)
+                mbEnglishLocale = "getUseEnglishLocaleFromConfiguration()";
+            or set from outside i.e. via ScCompiler.
+            */
+            mbEnglish = r.mbEnglish;
+        }
+    }
+}
+
+
+FormulaError FormulaCompiler::GetErrorConstant( const OUString& rName ) const
+{
+    FormulaError nError = FormulaError::NONE;
+    OpCodeHashMap::const_iterator iLook( mxSymbols->getHashMap().find( rName));
+    if (iLook != mxSymbols->getHashMap().end())
+    {
+        switch ((*iLook).second)
+        {
+            // Not all may make sense in a formula, but these we know as
+            // opcodes.
+            case ocErrNull:
+                nError = FormulaError::NoCode;
+                break;
+            case ocErrDivZero:
+                nError = FormulaError::DivisionByZero;
+                break;
+            case ocErrValue:
+                nError = FormulaError::NoValue;
+                break;
+            case ocErrRef:
+                nError = FormulaError::NoRef;
+                break;
+            case ocErrName:
+                nError = FormulaError::NoName;
+                break;
+            case ocErrNum:
+                nError = FormulaError::IllegalFPOperation;
+                break;
+            case ocErrNA:
+                nError = FormulaError::NotAvailable;
+                break;
+            default:
+                ;   // nothing
+        }
+    }
+    else
+    {
+        // Per convention recognize detailed "#ERRxxx!" constants, always
+        // untranslated. Error numbers are sal_uInt16 so at most 5 decimal
+        // digits.
+        if (rName.startsWithIgnoreAsciiCase("#ERR") && rName.getLength() <= 10 && rName[rName.getLength()-1] == '!')
+        {
+            sal_uInt32 nErr = o3tl::toUInt32(rName.subView( 4, rName.getLength() - 5));
+            if (0 < nErr && nErr <= SAL_MAX_UINT16 && isPublishedFormulaError(static_cast<FormulaError>(nErr)))
+                nError = static_cast<FormulaError>(nErr);
+        }
+    }
+    return nError;
+}
+
+void FormulaCompiler::EnableJumpCommandReorder( bool bEnable )
+{
+    mbJumpCommandReorder = bEnable;
+}
+
+void FormulaCompiler::EnableStopOnError( bool bEnable )
+{
+    mbStopOnError = bEnable;
+}
+
+void FormulaCompiler::AppendErrorConstant( OUStringBuffer& rBuffer, FormulaError nError ) const
+{
+    OpCode eOp;
+    switch (nError)
+    {
+        case FormulaError::NoCode:
+            eOp = ocErrNull;
+            break;
+        case FormulaError::DivisionByZero:
+            eOp = ocErrDivZero;
+            break;
+        case FormulaError::NoValue:
+            eOp = ocErrValue;
+            break;
+        case FormulaError::NoRef:
+            eOp = ocErrRef;
+            break;
+        case FormulaError::NoName:
+            eOp = ocErrName;
+            break;
+        case FormulaError::IllegalFPOperation:
+            eOp = ocErrNum;
+            break;
+        case FormulaError::NotAvailable:
+            eOp = ocErrNA;
+            break;
+        default:
+            {
+                // Per convention create detailed "#ERRxxx!" constants, always
+                // untranslated.
+                rBuffer.append("#ERR");
+                rBuffer.append(static_cast<sal_Int32>(nError));
+                rBuffer.append('!');
+                return;
+            }
+    }
+    rBuffer.append( mxSymbols->getSymbol( eOp));
+}
+
+constexpr short nRecursionMax = 100;
+
+bool FormulaCompiler::GetToken()
+{
+    FormulaCompilerRecursionGuard aRecursionGuard( nRecursion );
+    if ( nRecursion > nRecursionMax )
+    {
+        SetError( FormulaError::StackOverflow );
+        mpLastToken = mpToken = new FormulaByteToken( ocStop );
+        return false;
+    }
+    if ( bAutoCorrect && !pStack )
+    {   // don't merge stacked subroutine code into entered formula
+        aCorrectedFormula += aCorrectedSymbol;
+        aCorrectedSymbol.clear();
+    }
+    bool bStop = false;
+    if (pArr->GetCodeError() != FormulaError::NONE && mbStopOnError)
+        bStop = true;
+    else
+    {
+        FormulaTokenRef pSpacesToken;
+        short nWasColRowName;
+        if ( pArr->OpCodeBefore( maArrIterator.GetIndex() ) == ocColRowName )
+             nWasColRowName = 1;
+        else
+             nWasColRowName = 0;
+        OpCode eTmpOp;
+        mpToken = maArrIterator.Next();
+        while (mpToken && ((eTmpOp = mpToken->GetOpCode()) == ocSpaces || eTmpOp == ocWhitespace))
+        {
+            if (eTmpOp == ocSpaces)
+            {
+                // For significant whitespace remember last ocSpaces token.
+                // Usually there's only one even for multiple spaces.
+                pSpacesToken = mpToken;
+                if ( nWasColRowName )
+                    nWasColRowName++;
+            }
+            if ( bAutoCorrect && !pStack )
+                CreateStringFromToken( aCorrectedFormula, mpToken.get() );
+            mpToken = maArrIterator.Next();
+        }
+        if ( bAutoCorrect && !pStack && mpToken )
+            CreateStringFromToken( aCorrectedSymbol, mpToken.get() );
+        if( !mpToken )
+        {
+            if( pStack )
+            {
+                PopTokenArray();
+                // mpLastToken was popped as well and corresponds to the
+                // then current last token during PushTokenArray(), e.g. for
+                // HandleRange().
+                return GetToken();
+            }
+            else
+                bStop = true;
+        }
+        else
+        {
+            if ( nWasColRowName >= 2 && mpToken->GetOpCode() == ocColRowName )
+            {   // convert an ocSpaces to ocIntersect in RPN
+                mpLastToken = mpToken = new FormulaByteToken( ocIntersect );
+                maArrIterator.StepBack();     // we advanced to the second ocColRowName, step back
+            }
+            else if (pSpacesToken && FormulaGrammar::isExcelSyntax( meGrammar) &&
+                    mpLastToken && mpToken &&
+                    isPotentialRangeType( mpLastToken.get(), false, false) &&
+                    isPotentialRangeType( mpToken.get(), false, true))
+            {
+                // Let IntersectionLine() <- Factor() decide how to treat this,
+                // once the actual arguments are determined in RPN.
+                mpLastToken = mpToken = pSpacesToken;
+                maArrIterator.StepBack();     // step back from next non-spaces token
+                return true;
+            }
+        }
+    }
+    if( bStop )
+    {
+        mpLastToken = mpToken = new FormulaByteToken( ocStop );
+        return false;
+    }
+
+    // Remember token for next round and any PushTokenArray() calls that may
+    // occur in handlers.
+    mpLastToken = mpToken;
+
+    if ( mpToken->IsExternalRef() )
+    {
+        return HandleExternalReference(*mpToken);
+    }
+    else
+    {
+        switch (mpToken->GetOpCode())
+        {
+            case ocSubTotal:
+            case ocAggregate:
+                glSubTotal = true;
+                break;
+            case ocName:
+                if( HandleRange())
+                {
+                    // Expanding ocName might have introduced tokens such as ocStyle that prevent formula threading,
+                    // but those wouldn't be present in the raw tokens array, so ensure RPN tokens will be checked too.
+                    needsRPNTokenCheck = true;
+                    return true;
+                }
+                return false;
+            case ocColRowName:
+                return HandleColRowName();
+            case ocDBArea:
+                return HandleDbData();
+            case ocTableRef:
+                return HandleTableRef();
+            case ocPush:
+                if( mbComputeII )
+                    HandleIIOpCode(mpToken.get(), nullptr, 0);
+                break;
+            default:
+                ;   // nothing
+        }
+    }
+    return true;
+}
+
+
+// RPN creation by recursion
+void FormulaCompiler::Factor()
+{
+    if (pArr->GetCodeError() != FormulaError::NONE && mbStopOnError)
+        return;
+
+    CurrentFactor pFacToken( this );
+
+    OpCode eOp = mpToken->GetOpCode();
+    if (eOp == ocPush || eOp == ocColRowNameAuto || eOp == ocMatRef || eOp == ocDBArea
+        || eOp == ocTableRef
+        || (!mbJumpCommandReorder && ((eOp == ocName) || (eOp == ocColRowName) || (eOp == ocBad)))
+       )
+    {
+        PutCode( mpToken );
+        eOp = NextToken();
+        if( eOp == ocOpen )
+        {
+            // PUSH( is an error that may be caused by an unknown function.
+            SetError(
+                ( mpToken->GetType() == svString
+               || mpToken->GetType() == svSingleRef )
+               ? FormulaError::NoName : FormulaError::OperatorExpected );
+            if ( bAutoCorrect && !pStack )
+            {   // assume multiplication
+                aCorrectedFormula += mxSymbols->getSymbol( ocMul);
+                bCorrected = true;
+                NextToken();
+                eOp = Expression();
+                if( eOp != ocClose )
+                    SetError( FormulaError::PairExpected);
+                else
+                    NextToken();
+            }
+        }
+    }
+    else if( eOp == ocOpen )
+    {
+        NextToken();
+        eOp = Expression();
+        while ((eOp == ocSep) && (pArr->GetCodeError() == FormulaError::NONE || !mbStopOnError))
+        {   // range list  (A1;A2)  converted to  (A1~A2)
+            pFacToken = mpToken;
+            NextToken();
+            CheckSetForceArrayParameter( mpToken, 0);
+            eOp = Expression();
+            // Do not ignore error here, regardless of mbStopOnError, to not
+            // change the formula expression in case of an unexpected state.
+            if (pArr->GetCodeError() == FormulaError::NONE && pc >= 2)
+            {
+                // Left and right operands must be reference or function
+                // returning reference to form a range list.
+                const FormulaToken* p = pCode[-2];
+                if (p && isPotentialRangeType( p, true, false))
+                {
+                    p = pCode[-1];
+                    if (p && isPotentialRangeType( p, true, true))
+                    {
+                        pFacToken->NewOpCode( ocUnion, FormulaToken::PrivateAccess());
+                        // XXX NOTE: the token's eType is still svSep here!
+                        PutCode( pFacToken);
+                    }
+                }
+            }
+        }
+        if (eOp != ocClose)
+            SetError( FormulaError::PairExpected);
+        else
+            NextToken();
+
+        /* TODO: if no conversion to ocUnion is involved this could collect
+         * such expression as a list or (matrix) vector to be passed as
+         * argument for one parameter (which in fact the ocUnion svRefList is a
+         * special case of), which would require a new StackVar type and needed
+         * to be handled by the interpreter for functions that could support it
+         * (i.e. already handle VAR_ARGS or svRefList parameters). This is also
+         * not defined by ODF.
+         * Does Excel handle =SUM((1;2))?
+         * As is, the interpreter catches extraneous uncalculated
+         * subexpressions like 1 of (1;2) as error. */
+    }
+    else
+    {
+        if( nNumFmt == SvNumFormatType::UNDEFINED )
+            nNumFmt = lcl_GetRetFormat( eOp );
+
+        if ( IsOpCodeVolatile( eOp) )
+            pArr->SetExclusiveRecalcModeAlways();
+        else
+        {
+            switch( eOp )
+            {
+                    // Functions recalculated on every document load.
+                    // ONLOAD_LENIENT here to be able to distinguish and not
+                    // force a recalc (if not in an ALWAYS or ONLOAD_MUST
+                    // context) but keep an imported result from for example
+                    // OOXML a DDE call. Will be recalculated for ODFF.
+                case ocConvertOOo :
+                case ocDde:
+                case ocMacro:
+                case ocWebservice:
+                    pArr->AddRecalcMode( ScRecalcMode::ONLOAD_LENIENT );
+                break;
+                    // RANDBETWEEN() is volatile like RAND(). Other Add-In
+                    // functions may have to be recalculated or not, we don't
+                    // know, classify as ONLOAD_LENIENT.
+                case ocExternal:
+                    if (mpToken->GetExternal() == "com.sun.star.sheet.addin.Analysis.getRandbetween")
+                        pArr->SetExclusiveRecalcModeAlways();
+                    else
+                        pArr->AddRecalcMode( ScRecalcMode::ONLOAD_LENIENT );
+                break;
+                    // If the referred cell is moved the value changes.
+                case ocColumn :
+                case ocRow :
+                    pArr->SetRecalcModeOnRefMove();
+                break;
+                    // ocCell needs recalc on move for some possible type values.
+                    // And recalc mode on load, tdf#60645
+                case ocCell :
+                    pArr->SetRecalcModeOnRefMove();
+                    pArr->AddRecalcMode( ScRecalcMode::ONLOAD_MUST );
+                break;
+                case ocHyperLink :
+                    // Cell with hyperlink needs to be calculated on load to
+                    // get its matrix result generated.
+                    pArr->AddRecalcMode( ScRecalcMode::ONLOAD_MUST );
+                    pArr->SetHyperLink( true);
+                break;
+                default:
+                    ;   // nothing
+            }
+        }
+        if (SC_OPCODE_START_NO_PAR <= eOp && eOp < SC_OPCODE_STOP_NO_PAR)
+        {
+            pFacToken = mpToken;
+            eOp = NextToken();
+            if (eOp != ocOpen)
+            {
+                SetError( FormulaError::PairExpected);
+                PutCode( pFacToken );
+            }
+            else
+            {
+                eOp = NextToken();
+                if (eOp != ocClose)
+                    SetError( FormulaError::PairExpected);
+                PutCode( pFacToken);
+                NextToken();
+            }
+        }
+        else if (SC_OPCODE_START_1_PAR <= eOp && eOp < SC_OPCODE_STOP_1_PAR)
+        {
+            if (eOp == ocIsoWeeknum && FormulaGrammar::isODFF( meGrammar ))
+            {
+                // tdf#50950 ocIsoWeeknum can have 2 arguments when saved by older versions of Calc;
+                // the opcode then has to be changed to ocWeek for backward compatibility
+                pFacToken = mpToken;
+                eOp = NextToken();
+                bool bNoParam = false;
+                if (eOp == ocOpen)
+                {
+                    eOp = NextToken();
+                    if (eOp == ocClose)
+                        bNoParam = true;
+                    else
+                    {
+                        CheckSetForceArrayParameter( mpToken, 0);
+                        eOp = Expression();
+                    }
+                }
+                else
+                    SetError( FormulaError::PairExpected);
+                sal_uInt32 nSepCount = 0;
+                const sal_uInt16 nSepPos = maArrIterator.GetIndex() - 1;    // separator position, if any
+                if( !bNoParam )
+                {
+                    nSepCount++;
+                    while ((eOp == ocSep) && (pArr->GetCodeError() == FormulaError::NONE || !mbStopOnError))
+                    {
+                        NextToken();
+                        CheckSetForceArrayParameter( mpToken, nSepCount);
+                        nSepCount++;
+                        if (nSepCount > FORMULA_MAXPARAMS)
+                            SetError( FormulaError::CodeOverflow);
+                        eOp = Expression();
+                    }
+                }
+                if (eOp != ocClose)
+                    SetError( FormulaError::PairExpected);
+                else
+                    NextToken();
+                pFacToken->SetByte( nSepCount );
+                if (nSepCount == 2)
+                {
+                    // An old mode!=1 indicates ISO week, remove argument if
+                    // literal double value and keep function. Anything else
+                    // can not be resolved, there exists no "like ISO but week
+                    // starts on Sunday" mode in WEEKNUM and for an expression
+                    // we can't determine.
+                    // Current index is nSepPos+3 if expression stops, or
+                    // nSepPos+4 if expression continues after the call because
+                    // we just called NextToken() to move away from it.
+                    if (pc >= 2 && (maArrIterator.GetIndex() == nSepPos + 3 || maArrIterator.GetIndex() == nSepPos + 4) &&
+                            pArr->TokenAt(nSepPos+1)->GetType() == svDouble &&
+                            pArr->TokenAt(nSepPos+1)->GetDouble() != 1.0 &&
+                            pArr->TokenAt(nSepPos+2)->GetOpCode() == ocClose &&
+                            pArr->RemoveToken( nSepPos, 2) == 2)
+                    {
+                        maArrIterator.AfterRemoveToken( nSepPos, 2);
+                        // Remove the ocPush/svDouble just removed also from
+                        // the compiler local RPN array.
+                        --pCode; --pc;
+                        (*pCode)->DecRef(); // may be dead now
+                        pFacToken->SetByte( nSepCount - 1 );
+                    }
+                    else
+                    {
+                        // For the remaining two arguments cases use the
+                        // compatibility function.
+                        pFacToken->NewOpCode( ocWeeknumOOo, FormulaToken::PrivateAccess());
+                    }
+                }
+                PutCode( pFacToken );
+            }
+            else
+            {
+                // standard handling of 1-parameter opcodes
+                pFacToken = mpToken;
+                eOp = NextToken();
+                if( nNumFmt == SvNumFormatType::UNDEFINED && eOp == ocNot )
+                    nNumFmt = SvNumFormatType::LOGICAL;
+                if (eOp == ocOpen)
+                {
+                    NextToken();
+                    CheckSetForceArrayParameter( mpToken, 0);
+                    eOp = Expression();
+                }
+                else
+                    SetError( FormulaError::PairExpected);
+                if (eOp != ocClose)
+                    SetError( FormulaError::PairExpected);
+                else if ( pArr->GetCodeError() == FormulaError::NONE )
+                {
+                    pFacToken->SetByte( 1 );
+                    if (mbComputeII)
+                    {
+                        FormulaToken** pArg = pCode - 1;
+                        HandleIIOpCode(pFacToken, &pArg, 1);
+                    }
+                }
+                PutCode( pFacToken );
+                NextToken();
+            }
+        }
+        else if ((SC_OPCODE_START_2_PAR <= eOp && eOp < SC_OPCODE_STOP_2_PAR)
+                || eOp == ocExternal
+                || eOp == ocMacro
+                || eOp == ocAnd
+                || eOp == ocOr
+                || eOp == ocBad
+                || ( eOp >= ocInternalBegin && eOp <= ocInternalEnd )
+                || (!mbJumpCommandReorder && IsOpCodeJumpCommand(eOp)))
+        {
+            pFacToken = mpToken;
+            OpCode eMyLastOp = eOp;
+            eOp = NextToken();
+            bool bNoParam = false;
+            bool bBadName = false;
+            if (eOp == ocOpen)
+            {
+                eOp = NextToken();
+                if (eOp == ocClose)
+                    bNoParam = true;
+                else
+                {
+                    CheckSetForceArrayParameter( mpToken, 0);
+                    eOp = Expression();
+                }
+            }
+            else if (eMyLastOp == ocBad)
+            {
+                // Just a bad name, not an unknown function, no parameters, no
+                // closing expected.
+                bBadName = true;
+                bNoParam = true;
+            }
+            else
+                SetError( FormulaError::PairExpected);
+            sal_uInt32 nSepCount = 0;
+            if( !bNoParam )
+            {
+                bool bDoIICompute = mbComputeII;
+                // Array of FormulaToken double pointers to collect the parameters of II opcodes.
+                FormulaToken*** pArgArray = nullptr;
+                if (bDoIICompute)
+                {
+                    pArgArray = static_cast<FormulaToken***>(alloca(sizeof(FormulaToken**)*FORMULA_MAXPARAMSII));
+                    if (!pArgArray)
+                        bDoIICompute = false;
+                }
+
+                nSepCount++;
+
+                if (bDoIICompute)
+                    pArgArray[nSepCount-1] = pCode - 1; // Add first argument
+
+                while ((eOp == ocSep) && (pArr->GetCodeError() == FormulaError::NONE || !mbStopOnError))
+                {
+                    NextToken();
+                    CheckSetForceArrayParameter( mpToken, nSepCount);
+                    nSepCount++;
+                    if (nSepCount > FORMULA_MAXPARAMS)
+                        SetError( FormulaError::CodeOverflow);
+                    eOp = Expression();
+                    if (bDoIICompute && nSepCount <= FORMULA_MAXPARAMSII)
+                        pArgArray[nSepCount - 1] = pCode - 1; // Add rest of the arguments
+                }
+                if (bDoIICompute)
+                    HandleIIOpCode(pFacToken, pArgArray,
+                                   std::min(nSepCount, static_cast<sal_uInt32>(FORMULA_MAXPARAMSII)));
+            }
+            bool bDone = false;
+            if (bBadName)
+                ;   // nothing, keep current token for return
+            else if (eOp != ocClose)
+                SetError( FormulaError::PairExpected);
+            else
+            {
+                NextToken();
+                bDone = true;
+            }
+            // Jumps are just normal functions for the FunctionAutoPilot tree view
+            if (!mbJumpCommandReorder && pFacToken->GetType() == svJump)
+                pFacToken = new FormulaFAPToken( pFacToken->GetOpCode(), nSepCount, pFacToken );
+            else
+                pFacToken->SetByte( nSepCount );
+            PutCode( pFacToken );
+
+            if (bDone)
+                AnnotateOperands();
+        }
+        else if (IsOpCodeJumpCommand(eOp))
+        {
+            // the PC counters are -1
+            pFacToken = mpToken;
+            switch (eOp)
+            {
+                case ocIf:
+                    pFacToken->GetJump()[ 0 ] = 3;  // if, else, behind
+                    break;
+                case ocChoose:
+                    pFacToken->GetJump()[ 0 ] = FORMULA_MAXJUMPCOUNT + 1;
+                    break;
+                case ocIfError:
+                case ocIfNA:
+                    pFacToken->GetJump()[ 0 ] = 2;  // if, behind
+                    break;
+                default:
+                    SAL_WARN("formula.core","Jump OpCode: " << +eOp);
+                    assert(!"FormulaCompiler::Factor: someone forgot to add a jump count case");
+            }
+            eOp = NextToken();
+            if (eOp == ocOpen)
+            {
+                NextToken();
+                CheckSetForceArrayParameter( mpToken, 0);
+                eOp = Expression();
+            }
+            else
+                SetError( FormulaError::PairExpected);
+            PutCode( pFacToken );
+            // During AutoCorrect (since pArr->GetCodeError() is
+            // ignored) an unlimited ocIf would crash because
+            // ScRawToken::Clone() allocates the JumpBuffer according to
+            // nJump[0]*2+2, which is 3*2+2 on ocIf and 2*2+2 ocIfError and ocIfNA.
+            short nJumpMax;
+            OpCode eFacOpCode = pFacToken->GetOpCode();
+            switch (eFacOpCode)
+            {
+                case ocIf:
+                    nJumpMax = 3;
+                    break;
+                case ocChoose:
+                    nJumpMax = FORMULA_MAXJUMPCOUNT;
+                    break;
+                case ocIfError:
+                case ocIfNA:
+                    nJumpMax = 2;
+                    break;
+                default:
+                    nJumpMax = 0;
+                    SAL_WARN("formula.core","Jump OpCode: " << +eFacOpCode);
+                    assert(!"FormulaCompiler::Factor: someone forgot to add a jump max case");
+            }
+            short nJumpCount = 0;
+            while ( (nJumpCount < (FORMULA_MAXJUMPCOUNT - 1)) && (eOp == ocSep)
+                    && (pArr->GetCodeError() == FormulaError::NONE || !mbStopOnError))
+            {
+                if ( ++nJumpCount <= nJumpMax )
+                    pFacToken->GetJump()[nJumpCount] = pc-1;
+                NextToken();
+                CheckSetForceArrayParameter( mpToken, nJumpCount - 1);
+                eOp = Expression();
+                // ocSep or ocClose terminate the subexpression
+                PutCode( mpToken );
+            }
+            if (eOp != ocClose)
+                SetError( FormulaError::PairExpected);
+            else
+            {
+                NextToken();
+                // always limit to nJumpMax, no arbitrary overwrites
+                if ( ++nJumpCount <= nJumpMax )
+                    pFacToken->GetJump()[ nJumpCount ] = pc-1;
+                eFacOpCode = pFacToken->GetOpCode();
+                bool bLimitOk;
+                switch (eFacOpCode)
+                {
+                    case ocIf:
+                        bLimitOk = (nJumpCount <= 3);
+                        break;
+                    case ocChoose:
+                        bLimitOk = (nJumpCount < FORMULA_MAXJUMPCOUNT);
+                        break;
+                    case ocIfError:
+                    case ocIfNA:
+                        bLimitOk = (nJumpCount <= 2);
+                        break;
+                    default:
+                        bLimitOk = false;
+                        SAL_WARN("formula.core","Jump OpCode: " << +eFacOpCode);
+                        assert(!"FormulaCompiler::Factor: someone forgot to add a jump limit case");
+                }
+                if (bLimitOk)
+                    pFacToken->GetJump()[ 0 ] = nJumpCount;
+                else
+                    SetError( FormulaError::IllegalParameter);
+            }
+        }
+        else if ( eOp == ocMissing )
+        {
+            PutCode( mpToken );
+            NextToken();
+        }
+        else if ( eOp == ocClose )
+        {
+            SetError( FormulaError::ParameterExpected );
+        }
+        else if ( eOp == ocSep )
+        {   // Subsequent ocSep
+            SetError( FormulaError::ParameterExpected );
+            if ( bAutoCorrect && !pStack )
+            {
+                aCorrectedSymbol.clear();
+                bCorrected = true;
+            }
+        }
+        else if ( mpToken->IsExternalRef() )
+        {
+            PutCode( mpToken);
+            NextToken();
+        }
+        else
+        {
+            SetError( FormulaError::UnknownToken );
+            if ( bAutoCorrect && !pStack )
+            {
+                if ( eOp == ocStop )
+                {   // trailing operator w/o operand
+                    sal_Int32 nLen = aCorrectedFormula.getLength();
+                    if ( nLen )
+                        aCorrectedFormula = aCorrectedFormula.copy( 0, nLen - 1 );
+                    aCorrectedSymbol.clear();
+                    bCorrected = true;
+                }
+            }
+        }
+    }
+}
+
+void FormulaCompiler::RangeLine()
+{
+    Factor();
+    while (mpToken->GetOpCode() == ocRange)
+    {
+        FormulaToken** pCode1 = pCode - 1;
+        FormulaTokenRef p = mpToken;
+        NextToken();
+        Factor();
+        FormulaToken** pCode2 = pCode - 1;
+        if (!MergeRangeReference( pCode1, pCode2))
+            PutCode(p);
+    }
+}
+
+void FormulaCompiler::IntersectionLine()
+{
+    RangeLine();
+    while (mpToken->GetOpCode() == ocIntersect || mpToken->GetOpCode() == ocSpaces)
+    {
+        sal_uInt16 nCodeIndex = maArrIterator.GetIndex() - 1;
+        FormulaToken** pCode1 = pCode - 1;
+        FormulaTokenRef p = mpToken;
+        NextToken();
+        RangeLine();
+        FormulaToken** pCode2 = pCode - 1;
+        if (p->GetOpCode() == ocSpaces)
+        {
+            // Convert to intersection if both left and right are references or
+            // functions (potentially returning references, if not then a space
+            // or no space would be a syntax error anyway), not other operators
+            // or operands. Else discard.
+            if (isAdjacentOrGapRpnEnd( pc, pCode, pCode1, pCode2) && isIntersectable( pCode1, pCode2))
+            {
+                FormulaTokenRef pIntersect( new FormulaByteToken( ocIntersect));
+                // Replace ocSpaces with ocIntersect so that when switching
+                // formula syntax the correct operator string is created.
+                pArr->ReplaceToken( nCodeIndex, pIntersect.get(), FormulaTokenArray::ReplaceMode::CODE_ONLY);
+                PutCode( pIntersect);
+            }
+        }
+        else
+        {
+            PutCode(p);
+        }
+    }
+}
+
+void FormulaCompiler::UnionLine()
+{
+    IntersectionLine();
+    while (mpToken->GetOpCode() == ocUnion)
+    {
+        FormulaTokenRef p = mpToken;
+        NextToken();
+        IntersectionLine();
+        PutCode(p);
+    }
+}
+
+void FormulaCompiler::UnaryLine()
+{
+    if( mpToken->GetOpCode() == ocAdd )
+        GetToken();
+    else if (SC_OPCODE_START_UN_OP <= mpToken->GetOpCode() &&
+            mpToken->GetOpCode() < SC_OPCODE_STOP_UN_OP)
+    {
+        FormulaTokenRef p = mpToken;
+        NextToken();
+        UnaryLine();
+        if (mbComputeII)
+        {
+            FormulaToken** pArg = pCode - 1;
+            HandleIIOpCode(p.get(), &pArg, 1);
+        }
+        PutCode( p );
+    }
+    else
+        UnionLine();
+}
+
+void FormulaCompiler::PostOpLine()
+{
+    UnaryLine();
+    while ( mpToken->GetOpCode() == ocPercentSign )
+    {   // this operator _follows_ its operand
+        if (mbComputeII)
+        {
+            FormulaToken** pArg = pCode - 1;
+            HandleIIOpCode(mpToken.get(), &pArg, 1);
+        }
+        PutCode( mpToken );
+        NextToken();
+    }
+}
+
+void FormulaCompiler::PowLine()
+{
+    PostOpLine();
+    while (mpToken->GetOpCode() == ocPow)
+    {
+        FormulaTokenRef p = mpToken;
+        FormulaToken** pArgArray[2];
+        if (mbComputeII)
+            pArgArray[0] = pCode - 1; // Add first argument
+        NextToken();
+        PostOpLine();
+        if (mbComputeII)
+        {
+            pArgArray[1] = pCode - 1; // Add second argument
+            HandleIIOpCode(p.get(), pArgArray, 2);
+        }
+        PutCode(p);
+    }
+}
+
+void FormulaCompiler::MulDivLine()
+{
+    PowLine();
+    while (mpToken->GetOpCode() == ocMul || mpToken->GetOpCode() == ocDiv)
+    {
+        FormulaTokenRef p = mpToken;
+        FormulaToken** pArgArray[2];
+        if (mbComputeII)
+            pArgArray[0] = pCode - 1; // Add first argument
+        NextToken();
+        PowLine();
+        if (mbComputeII)
+        {
+            pArgArray[1] = pCode - 1; // Add second argument
+            HandleIIOpCode(p.get(), pArgArray, 2);
+        }
+        PutCode(p);
+    }
+}
+
+void FormulaCompiler::AddSubLine()
+{
+    MulDivLine();
+    while (mpToken->GetOpCode() == ocAdd || mpToken->GetOpCode() == ocSub)
+    {
+        FormulaTokenRef p = mpToken;
+        FormulaToken** pArgArray[2];
+        if (mbComputeII)
+            pArgArray[0] = pCode - 1; // Add first argument
+        NextToken();
+        MulDivLine();
+        if (mbComputeII)
+        {
+            pArgArray[1] = pCode - 1; // Add second argument
+            HandleIIOpCode(p.get(), pArgArray, 2);
+        }
+        PutCode(p);
+    }
+}
+
+void FormulaCompiler::ConcatLine()
+{
+    AddSubLine();
+    while (mpToken->GetOpCode() == ocAmpersand)
+    {
+        FormulaTokenRef p = mpToken;
+        FormulaToken** pArgArray[2];
+        if (mbComputeII)
+            pArgArray[0] = pCode - 1; // Add first argument
+        NextToken();
+        AddSubLine();
+        if (mbComputeII)
+        {
+            pArgArray[1] = pCode - 1; // Add second argument
+            HandleIIOpCode(p.get(), pArgArray, 2);
+        }
+        PutCode(p);
+    }
+}
+
+void FormulaCompiler::CompareLine()
+{
+    ConcatLine();
+    while (mpToken->GetOpCode() >= ocEqual && mpToken->GetOpCode() <= ocGreaterEqual)
+    {
+        FormulaTokenRef p = mpToken;
+        FormulaToken** pArgArray[2];
+        if (mbComputeII)
+            pArgArray[0] = pCode - 1; // Add first argument
+        NextToken();
+        ConcatLine();
+        if (mbComputeII)
+        {
+            pArgArray[1] = pCode - 1; // Add second argument
+            HandleIIOpCode(p.get(), pArgArray, 2);
+        }
+        PutCode(p);
+    }
+}
+
+OpCode FormulaCompiler::Expression()
+{
+    FormulaCompilerRecursionGuard aRecursionGuard( nRecursion );
+    if ( nRecursion > nRecursionMax )
+    {
+        SetError( FormulaError::StackOverflow );
+        return ocStop;      //! generate token instead?
+    }
+    CompareLine();
+    while (mpToken->GetOpCode() == ocAnd || mpToken->GetOpCode() == ocOr)
+    {
+        FormulaTokenRef p = mpToken;
+        mpToken->SetByte( 2 );       // 2 parameters!
+        FormulaToken** pArgArray[2];
+        if (mbComputeII)
+            pArgArray[0] = pCode - 1; // Add first argument
+        NextToken();
+        CompareLine();
+        if (mbComputeII)
+        {
+            pArgArray[1] = pCode - 1; // Add second argument
+            HandleIIOpCode(p.get(), pArgArray, 2);
+        }
+        PutCode(p);
+    }
+    return mpToken->GetOpCode();
+}
+
+
+void FormulaCompiler::SetError( FormulaError /*nError*/ )
+{
+}
+
+FormulaTokenRef FormulaCompiler::ExtendRangeReference( FormulaToken & /*rTok1*/, FormulaToken & /*rTok2*/ )
+{
+    return FormulaTokenRef();
+}
+
+bool FormulaCompiler::MergeRangeReference( FormulaToken * * const pCode1, FormulaToken * const * const pCode2 )
+{
+    if (!isAdjacentRpnEnd( pc, pCode, pCode1, pCode2))
+        return false;
+
+    FormulaToken *p1 = *pCode1, *p2 = *pCode2;
+    FormulaTokenRef p = ExtendRangeReference( *p1, *p2);
+    if (!p)
+        return false;
+
+    p->IncRef();
+    p1->DecRef();
+    p2->DecRef();
+    *pCode1 = p.get();
+    --pCode;
+    --pc;
+
+    return true;
+}
+
+bool FormulaCompiler::CompileTokenArray()
+{
+    glSubTotal = false;
+    bCorrected = false;
+    needsRPNTokenCheck = false;
+    if (pArr->GetCodeError() == FormulaError::NONE || !mbStopOnError)
+    {
+        if ( bAutoCorrect )
+        {
+            aCorrectedFormula.clear();
+            aCorrectedSymbol.clear();
+        }
+        pArr->DelRPN();
+        maArrIterator.Reset();
+        pStack = nullptr;
+        FormulaToken* pDataArray[ FORMULA_MAXTOKENS + 1 ];
+        // Code in some places refers to the last token as 'pCode - 1', which may
+        // point before the first element if the expression is bad. So insert a dummy
+        // node in that place which will make that token be nullptr.
+        pDataArray[ 0 ] = nullptr;
+        FormulaToken** pData = pDataArray + 1;
+        pCode = pData;
+        bool bWasForced = pArr->IsRecalcModeForced();
+        if ( bWasForced && bAutoCorrect )
+            aCorrectedFormula = "=";
+        pArr->ClearRecalcMode();
+        maArrIterator.Reset();
+        eLastOp = ocOpen;
+        pc = 0;
+        NextToken();
+        OpCode eOp = Expression();
+        // Some trailing garbage that doesn't form an expression?
+        if (eOp != ocStop)
+            SetError( FormulaError::OperatorExpected);
+        PostProcessCode();
+
+        FormulaError nErrorBeforePop = pArr->GetCodeError();
+
+        while( pStack )
+            PopTokenArray();
+        if( pc )
+        {
+            pArr->CreateNewRPNArrayFromData( pData, pc );
+            if( needsRPNTokenCheck )
+                pArr->CheckAllRPNTokens();
+        }
+
+        // once an error, always an error
+        if( pArr->GetCodeError() == FormulaError::NONE && nErrorBeforePop != FormulaError::NONE )
+            pArr->SetCodeError( nErrorBeforePop);
+
+        if (pArr->GetCodeError() != FormulaError::NONE && mbStopOnError)
+        {
+            pArr->DelRPN();
+            maArrIterator.Reset();
+            pArr->SetHyperLink( false);
+        }
+
+        if ( bWasForced )
+            pArr->SetRecalcModeForced();
+    }
+    if( nNumFmt == SvNumFormatType::UNDEFINED )
+        nNumFmt = SvNumFormatType::NUMBER;
+    return glSubTotal;
+}
+
+void FormulaCompiler::PopTokenArray()
+{
+    if( !pStack )
+        return;
+
+    FormulaArrayStack* p = pStack;
+    pStack = p->pNext;
+    // obtain special RecalcMode from SharedFormula
+    if ( pArr->IsRecalcModeAlways() )
+        p->pArr->SetExclusiveRecalcModeAlways();
+    else if ( !pArr->IsRecalcModeNormal() && p->pArr->IsRecalcModeNormal() )
+        p->pArr->SetMaskedRecalcMode( pArr->GetRecalcMode() );
+    p->pArr->SetCombinedBitsRecalcMode( pArr->GetRecalcMode() );
+    if ( pArr->IsHyperLink() )  // fdo 87534
+        p->pArr->SetHyperLink( true );
+    if( p->bTemp )
+        delete pArr;
+    pArr = p->pArr;
+    maArrIterator = FormulaTokenArrayPlainIterator(*pArr);
+    maArrIterator.Jump(p->nIndex);
+    mpLastToken = p->mpLastToken;
+    delete p;
+}
+
+void FormulaCompiler::CreateStringFromTokenArray( OUString& rFormula )
+{
+    OUStringBuffer aBuffer( pArr->GetLen() * 5 );
+    CreateStringFromTokenArray( aBuffer );
+    rFormula = aBuffer.makeStringAndClear();
+}
+
+void FormulaCompiler::CreateStringFromTokenArray( OUStringBuffer& rBuffer )
+{
+    rBuffer.setLength(0);
+    if( !pArr->GetLen() )
+        return;
+
+    FormulaTokenArray* pSaveArr = pArr;
+    int nSaveIndex = maArrIterator.GetIndex();
+    bool bODFF = FormulaGrammar::isODFF( meGrammar);
+    if (bODFF || FormulaGrammar::isPODF( meGrammar) )
+    {
+        // Scan token array for missing args and re-write if present.
+        MissingConventionODF aConv( bODFF);
+        if (pArr->NeedsPodfRewrite( aConv))
+        {
+            pArr = pArr->RewriteMissing( aConv );
+            maArrIterator = FormulaTokenArrayPlainIterator( *pArr );
+        }
+    }
+    else if ( FormulaGrammar::isOOXML( meGrammar ) )
+    {
+        // Scan token array for missing args and rewrite if present.
+        if (pArr->NeedsOoxmlRewrite())
+        {
+            MissingConventionOOXML aConv;
+            pArr = pArr->RewriteMissing( aConv );
+            maArrIterator = FormulaTokenArrayPlainIterator( *pArr );
+        }
+    }
+
+    // At least one character per token, plus some are references, some are
+    // function names, some are numbers, ...
+    rBuffer.ensureCapacity( pArr->GetLen() * 5 );
+
+    if ( pArr->IsRecalcModeForced() )
+        rBuffer.append( '=');
+    const FormulaToken* t = maArrIterator.First();
+    while( t )
+        t = CreateStringFromToken( rBuffer, t, true );
+
+    if (pSaveArr != pArr)
+    {
+        delete pArr;
+        pArr = pSaveArr;
+        maArrIterator = FormulaTokenArrayPlainIterator( *pArr );
+        maArrIterator.Jump(nSaveIndex);
+    }
+}
+
+const FormulaToken* FormulaCompiler::CreateStringFromToken( OUString& rFormula, const FormulaToken* pTokenP )
+{
+    OUStringBuffer aBuffer;
+    const FormulaToken* p = CreateStringFromToken( aBuffer, pTokenP );
+    rFormula += aBuffer;
+    return p;
+}
+
+const FormulaToken* FormulaCompiler::CreateStringFromToken( OUStringBuffer& rBuffer, const FormulaToken* pTokenP,
+        bool bAllowArrAdvance )
+{
+    bool bNext = true;
+    bool bSpaces = false;
+    const FormulaToken* t = pTokenP;
+    OpCode eOp = t->GetOpCode();
+    if( eOp >= ocAnd && eOp <= ocOr )
+    {
+        // AND, OR infix?
+        if ( bAllowArrAdvance )
+            t = maArrIterator.Next();
+        else
+            t = maArrIterator.PeekNext();
+        bNext = false;
+        bSpaces = ( !t || t->GetOpCode() != ocOpen );
+    }
+    if( bSpaces )
+        rBuffer.append( ' ');
+
+    if (eOp == ocSpaces || eOp == ocWhitespace)
+    {
+        bool bWriteSpaces = true;
+        if (eOp == ocSpaces && mxSymbols->isODFF())
+        {
+            const FormulaToken* p = maArrIterator.PeekPrevNoSpaces();
+            bool bIntersectionOp = (p && p->GetOpCode() == ocColRowName);
+            if (bIntersectionOp)
+            {
+                p = maArrIterator.PeekNextNoSpaces();
+                bIntersectionOp = (p && p->GetOpCode() == ocColRowName);
+            }
+            if (bIntersectionOp)
+            {
+                rBuffer.append( "!!");
+                bWriteSpaces = false;
+            }
+        }
+        if (bWriteSpaces)
+        {
+            // ODF v1.3 OpenFormula 5.14 Whitespace states "whitespace shall
+            // not separate a function name from its initial opening
+            // parenthesis".
+            //
+            // ECMA-376-1:2016 18.17.2 Syntax states "that no space characters
+            // shall separate a function-name from the left parenthesis (()
+            // that follows it." and Excel even chokes on it.
+            //
+            // Suppress/remove it in any case also in UI, it will not be
+            // preserved.
+            const FormulaToken* p = maArrIterator.PeekPrevNoSpaces();
+            if (p && p->IsFunction())
+            {
+                p = maArrIterator.PeekNextNoSpaces();
+                if (p && p->GetOpCode() == ocOpen)
+                    bWriteSpaces = false;
+            }
+        }
+        if (bWriteSpaces)
+        {
+            // most times it's just one blank
+            sal_uInt8 n = t->GetByte();
+            for ( sal_uInt8 j=0; j<n; ++j )
+            {
+                if (eOp == ocWhitespace)
+                    rBuffer.append( t->GetChar());
+                else
+                    rBuffer.append( ' ');
+            }
+        }
+    }
+    else if( eOp >= ocInternalBegin && eOp <= ocInternalEnd )
+        rBuffer.appendAscii( pInternal[ eOp - ocInternalBegin ] );
+    else if (eOp == ocIntersect)
+    {
+        // Nasty, ugly, horrific, terrifying...
+        if (FormulaGrammar::isExcelSyntax( meGrammar))
+            rBuffer.append(' ');
+        else
+            rBuffer.append( mxSymbols->getSymbol( eOp));
+    }
+    else if( static_cast<sal_uInt16>(eOp) < mxSymbols->getSymbolCount())        // Keyword:
+        rBuffer.append( mxSymbols->getSymbol( eOp));
+    else
+    {
+        SAL_WARN( "formula.core","unknown OpCode");
+        rBuffer.append( GetNativeSymbol( ocErrName ));
+    }
+    if( bNext )
+    {
+        if (t->IsExternalRef())
+        {
+            CreateStringFromExternal( rBuffer, pTokenP);
+        }
+        else
+        {
+            switch( t->GetType() )
+            {
+            case svDouble:
+                AppendDouble( rBuffer, t->GetDouble() );
+            break;
+
+            case svString:
+                if( eOp == ocBad || eOp == ocStringXML )
+                    rBuffer.append( t->GetString().getString());
+                else
+                    AppendString( rBuffer, t->GetString().getString() );
+                break;
+            case svSingleRef:
+                CreateStringFromSingleRef( rBuffer, t);
+                break;
+            case svDoubleRef:
+                CreateStringFromDoubleRef( rBuffer, t);
+                break;
+            case svMatrix:
+            case svMatrixCell:
+                CreateStringFromMatrix( rBuffer, t );
+                break;
+
+            case svIndex:
+                CreateStringFromIndex( rBuffer, t );
+                if (t->GetOpCode() == ocTableRef && bAllowArrAdvance && NeedsTableRefTransformation())
+                {
+                    // Suppress all TableRef related tokens, the resulting
+                    // range was written by CreateStringFromIndex().
+                    const FormulaToken* const p = maArrIterator.PeekNext();
+                    if (p && p->GetOpCode() == ocTableRefOpen)
+                    {
+                        int nLevel = 0;
+                        do
+                        {
+                            t = maArrIterator.Next();
+                            if (!t)
+                                break;
+
+                            // Switch cases correspond with those in
+                            // ScCompiler::HandleTableRef()
+                            switch (t->GetOpCode())
+                            {
+                                case ocTableRefOpen:
+                                    ++nLevel;
+                                    break;
+                                case ocTableRefClose:
+                                    --nLevel;
+                                    break;
+                                case ocTableRefItemAll:
+                                case ocTableRefItemHeaders:
+                                case ocTableRefItemData:
+                                case ocTableRefItemTotals:
+                                case ocTableRefItemThisRow:
+                                case ocSep:
+                                case ocPush:
+                                case ocRange:
+                                case ocSpaces:
+                                case ocWhitespace:
+                                    break;
+                                default:
+                                    nLevel = 0;
+                                    bNext = false;
+                            }
+                        } while (nLevel);
+                    }
+                }
+                break;
+            case svExternal:
+            {
+                // mapped or translated name of AddIns
+                OUString aAddIn( t->GetExternal() );
+                bool bMapped = mxSymbols->isPODF();     // ODF 1.1 directly uses programmatical name
+                if (!bMapped && mxSymbols->hasExternals())
+                {
+                    ExternalHashMap::const_iterator iLook = mxSymbols->getReverseExternalHashMap().find( aAddIn);
+                    if (iLook != mxSymbols->getReverseExternalHashMap().end())
+                    {
+                        aAddIn = (*iLook).second;
+                        bMapped = true;
+                    }
+                }
+                if (!bMapped && !mxSymbols->isEnglish())
+                    LocalizeString( aAddIn );
+                rBuffer.append( aAddIn);
+            }
+            break;
+            case svError:
+                AppendErrorConstant( rBuffer, t->GetError());
+            break;
+            case svByte:
+            case svJump:
+            case svFAP:
+            case svMissing:
+            case svSep:
+                break;      // Opcodes
+            default:
+                SAL_WARN("formula.core", "FormulaCompiler::GetStringFromToken: unknown token type " << t->GetType());
+            } // of switch
+        }
+    }
+    if( bSpaces )
+        rBuffer.append( ' ');
+    if ( bAllowArrAdvance )
+    {
+        if( bNext )
+            t = maArrIterator.Next();
+        return t;
+    }
+    return pTokenP;
+}
+
+
+void FormulaCompiler::AppendDouble( OUStringBuffer& rBuffer, double fVal ) const
+{
+    if ( mxSymbols->isEnglishLocale() )
+    {
+        ::rtl::math::doubleToUStringBuffer( rBuffer, fVal,
+                rtl_math_StringFormat_Automatic,
+                rtl_math_DecimalPlaces_Max, '.', true );
+    }
+    else
+    {
+        SvtSysLocale aSysLocale;
+        ::rtl::math::doubleToUStringBuffer( rBuffer, fVal,
+                rtl_math_StringFormat_Automatic,
+                rtl_math_DecimalPlaces_Max,
+                aSysLocale.GetLocaleData().getNumDecimalSep()[0],
+                true );
+    }
+}
+
+void FormulaCompiler::AppendBoolean( OUStringBuffer& rBuffer, bool bVal ) const
+{
+    rBuffer.append( mxSymbols->getSymbol( bVal ? ocTrue : ocFalse ) );
+}
+
+void FormulaCompiler::AppendString( OUStringBuffer& rBuffer, const OUString & rStr )
+{
+    rBuffer.append( '"');
+    if ( lcl_UnicodeStrChr( rStr.getStr(), '"' ) == nullptr )
+        rBuffer.append( rStr );
+    else
+    {
+        OUString aStr = rStr.replaceAll( "\"", "\"\"" );
+        rBuffer.append(aStr);
+    }
+    rBuffer.append( '"');
+}
+
+bool FormulaCompiler::NeedsTableRefTransformation() const
+{
+    // Currently only UI representations and OOXML export use Table structured
+    // references. Not defined in ODFF.
+    // Unnecessary to explicitly check for ODFF grammar as the ocTableRefOpen
+    // symbol is not defined there.
+    return mxSymbols->getSymbol( ocTableRefOpen).isEmpty() || FormulaGrammar::isPODF( meGrammar);
+}
+
+void FormulaCompiler::UpdateSeparatorsNative(
+    const OUString& rSep, const OUString& rArrayColSep, const OUString& rArrayRowSep )
+{
+    NonConstOpCodeMapPtr xSymbolsNative;
+    lcl_fillNativeSymbols( xSymbolsNative);
+    xSymbolsNative->putOpCode( rSep, ocSep, nullptr);
+    xSymbolsNative->putOpCode( rArrayColSep, ocArrayColSep, nullptr);
+    xSymbolsNative->putOpCode( rArrayRowSep, ocArrayRowSep, nullptr);
+}
+
+void FormulaCompiler::ResetNativeSymbols()
+{
+    NonConstOpCodeMapPtr xSymbolsNative;
+    lcl_fillNativeSymbols( xSymbolsNative, InitSymbols::DESTROY);
+    lcl_fillNativeSymbols( xSymbolsNative);
+}
+
+void FormulaCompiler::SetNativeSymbols( const OpCodeMapPtr& xMap )
+{
+    NonConstOpCodeMapPtr xSymbolsNative;
+    lcl_fillNativeSymbols( xSymbolsNative);
+    xSymbolsNative->copyFrom( *xMap );
+}
+
+
+OpCode FormulaCompiler::NextToken()
+{
+    if( !GetToken() )
+        return ocStop;
+    OpCode eOp = mpToken->GetOpCode();
+    // There must be an operator before a push
+    if ( (eOp == ocPush || eOp == ocColRowNameAuto) &&
+            !( (eLastOp == ocOpen) || (eLastOp == ocSep) ||
+                (SC_OPCODE_START_BIN_OP <= eLastOp && eLastOp < SC_OPCODE_STOP_UN_OP)) )
+        SetError( FormulaError::OperatorExpected);
+    // Operator and Plus => operator
+    if (eOp == ocAdd && (eLastOp == ocOpen || eLastOp == ocSep ||
+                (SC_OPCODE_START_BIN_OP <= eLastOp && eLastOp < SC_OPCODE_STOP_UN_OP)))
+    {
+        FormulaCompilerRecursionGuard aRecursionGuard( nRecursion );
+        eOp = NextToken();
+    }
+    else
+    {
+        // Before an operator there must not be another operator, with the
+        // exception of AND and OR.
+        if ( eOp != ocAnd && eOp != ocOr &&
+                (SC_OPCODE_START_BIN_OP <= eOp && eOp < SC_OPCODE_STOP_BIN_OP )
+                && (eLastOp == ocOpen || eLastOp == ocSep ||
+                    (SC_OPCODE_START_BIN_OP <= eLastOp && eLastOp < SC_OPCODE_STOP_UN_OP)))
+        {
+            SetError( FormulaError::VariableExpected);
+            if ( bAutoCorrect && !pStack )
+            {
+                if ( eOp == eLastOp || eLastOp == ocOpen )
+                {   // throw away duplicated operator
+                    aCorrectedSymbol.clear();
+                    bCorrected = true;
+                }
+                else
+                {
+                    sal_Int32 nPos = aCorrectedFormula.getLength();
+                    if ( nPos )
+                    {
+                        nPos--;
+                        sal_Unicode c = aCorrectedFormula[ nPos ];
+                        switch ( eOp )
+                        {   // swap operators
+                            case ocGreater:
+                                if ( c == mxSymbols->getSymbolChar( ocEqual) )
+                                {   // >= instead of =>
+                                    aCorrectedFormula = aCorrectedFormula.replaceAt( nPos, 1,
+                                        rtl::OUStringChar( mxSymbols->getSymbolChar(ocGreater) ) );
+                                    aCorrectedSymbol = OUString(c);
+                                    bCorrected = true;
+                                }
+                            break;
+                            case ocLess:
+                                if ( c == mxSymbols->getSymbolChar( ocEqual) )
+                                {   // <= instead of =<
+                                    aCorrectedFormula = aCorrectedFormula.replaceAt( nPos, 1,
+                                        rtl::OUStringChar( mxSymbols->getSymbolChar(ocLess) ) );
+                                    aCorrectedSymbol = OUString(c);
+                                    bCorrected = true;
+                                }
+                                else if ( c == mxSymbols->getSymbolChar( ocGreater) )
+                                {   // <> instead of ><
+                                    aCorrectedFormula = aCorrectedFormula.replaceAt( nPos, 1,
+                                        rtl::OUStringChar( mxSymbols->getSymbolChar(ocLess) ) );
+                                    aCorrectedSymbol = OUString(c);
+                                    bCorrected = true;
+                                }
+                            break;
+                            case ocMul:
+                                if ( c == mxSymbols->getSymbolChar( ocSub) )
+                                {   // *- instead of -*
+                                    aCorrectedFormula = aCorrectedFormula.replaceAt( nPos, 1,
+                                        rtl::OUStringChar( mxSymbols->getSymbolChar(ocMul) ) );
+                                    aCorrectedSymbol = OUString(c);
+                                    bCorrected = true;
+                                }
+                            break;
+                            case ocDiv:
+                                if ( c == mxSymbols->getSymbolChar( ocSub) )
+                                {   // /- instead of -/
+                                    aCorrectedFormula = aCorrectedFormula.replaceAt( nPos, 1,
+                                        rtl::OUStringChar( mxSymbols->getSymbolChar(ocDiv) ) );
+                                    aCorrectedSymbol = OUString(c);
+                                    bCorrected = true;
+                                }
+                            break;
+                            default:
+                                ;   // nothing
+                        }
+                    }
+                }
+            }
+        }
+        // Nasty, ugly, horrific, terrifying... significant whitespace...
+        if (eOp == ocSpaces && FormulaGrammar::isExcelSyntax( meGrammar))
+        {
+            // Fake an intersection op as last op for the next round, but at
+            // least roughly check if it could make sense at all.
+            FormulaToken* pPrev = maArrIterator.PeekPrevNoSpaces();
+            if (pPrev && isPotentialRangeType( pPrev, false, false))
+            {
+                FormulaToken* pNext = maArrIterator.PeekNextNoSpaces();
+                if (pNext && isPotentialRangeType( pNext, false, true))
+                    eLastOp = ocIntersect;
+                else
+                    eLastOp = eOp;
+            }
+            else
+                eLastOp = eOp;
+        }
+        else
+            eLastOp = eOp;
+    }
+    return eOp;
+}
+
+void FormulaCompiler::PutCode( FormulaTokenRef& p )
+{
+    if( pc >= FORMULA_MAXTOKENS - 1 )
+    {
+        if ( pc == FORMULA_MAXTOKENS - 1 )
+        {
+            p = new FormulaByteToken( ocStop );
+            p->IncRef();
+            *pCode++ = p.get();
+            ++pc;
+        }
+        SetError( FormulaError::CodeOverflow);
+        return;
+    }
+    if (pArr->GetCodeError() != FormulaError::NONE && mbJumpCommandReorder)
+        return;
+    ForceArrayOperator( p);
+    p->IncRef();
+    *pCode++ = p.get();
+    pc++;
+}
+
+
+bool FormulaCompiler::HandleExternalReference( const FormulaToken& /*_aToken*/)
+{
+    return true;
+}
+
+bool FormulaCompiler::HandleRange()
+{
+    return true;
+}
+
+bool FormulaCompiler::HandleColRowName()
+{
+    return true;
+}
+
+bool FormulaCompiler::HandleDbData()
+{
+    return true;
+}
+
+bool FormulaCompiler::HandleTableRef()
+{
+    return true;
+}
+
+void FormulaCompiler::CreateStringFromSingleRef( OUStringBuffer& /*rBuffer*/, const FormulaToken* /*pToken*/) const
+{
+}
+
+void FormulaCompiler::CreateStringFromDoubleRef( OUStringBuffer& /*rBuffer*/, const FormulaToken* /*pToken*/) const
+{
+}
+
+void FormulaCompiler::CreateStringFromIndex( OUStringBuffer& /*rBuffer*/, const FormulaToken* /*pToken*/) const
+{
+}
+
+void FormulaCompiler::CreateStringFromMatrix( OUStringBuffer& /*rBuffer*/, const FormulaToken* /*pToken*/) const
+{
+}
+
+void FormulaCompiler::CreateStringFromExternal( OUStringBuffer& /*rBuffer*/, const FormulaToken* /*pToken*/) const
+{
+}
+
+void FormulaCompiler::LocalizeString( OUString& /*rName*/ ) const
+{
+}
+
+formula::ParamClass FormulaCompiler::GetForceArrayParameter( const FormulaToken* /*pToken*/, sal_uInt16 /*nParam*/ ) const
+{
+    return ParamClass::Unknown;
+}
+
+void FormulaCompiler::ForceArrayOperator( FormulaTokenRef const & rCurr )
+{
+    if (pCurrentFactorToken.get() == rCurr.get())
+        return;
+
+    const OpCode eOp = rCurr->GetOpCode();
+    const StackVar eType = rCurr->GetType();
+    const bool bInlineArray = (eOp == ocPush && eType == svMatrix);
+
+    if (!bInlineArray)
+    {
+        if (rCurr->GetInForceArray() != ParamClass::Unknown)
+            // Already set, unnecessary to evaluate again. This happens by calls to
+            // CurrentFactor::operator=() while descending through Factor() and
+            // then ascending back (and down and up, ...),
+            // CheckSetForceArrayParameter() and later PutCode().
+            return;
+
+        if (!(eOp != ocPush && (eType == svByte || eType == svJump)))
+            return;
+    }
+
+    // Return class for inline arrays and functions returning array/matrix.
+    // It's somewhat unclear what Excel actually does there and in
+    // ECMA-376-1:2016 OOXML mentions "call to ... shall be an array formula"
+    // only for FREQUENCY() and TRANSPOSE() but not for any other function
+    // returning array/matrix or inline arrays, though for the latter has one
+    // example in 18.17.2 Syntax:
+    // "SUM(SQRT({1,2,3,4})) returns 6.14 when entered normally". However,
+    // these need to be treated similar but not as ParamClass::ForceArray
+    // (which would contradict the example in
+    // https://bugs.documentfoundation.org/show_bug.cgi?id=122301#c19 and A6 of
+    // https://bugs.documentfoundation.org/show_bug.cgi?id=133260#c10 ).
+    // See also
+    // commit d0ded163d8e93dc5b10d7a7c9bdab1d0a6a50bac
+    // commit 5413c8871dec08eff19f514f5f391b946a45c86c
+    constexpr ParamClass eArrayReturn = ParamClass::ForceArrayReturn;
+
+    if (bInlineArray)
+    {
+        // rCurr->SetInForceArray() can not be used with ocPush, but ocPush
+        // with svMatrix has an implicit ParamClass::ForceArrayReturn.
+        if (nCurrentFactorParam > 0 && pCurrentFactorToken
+                && pCurrentFactorToken->GetInForceArray() == ParamClass::Unknown
+                && GetForceArrayParameter( pCurrentFactorToken.get(), static_cast<sal_uInt16>(nCurrentFactorParam - 1))
+                == ParamClass::Value)
+        {
+            // Propagate to caller as if a function returning an array/matrix
+            // was called (see also below).
+            pCurrentFactorToken->SetInForceArray( eArrayReturn);
+        }
+        return;
+    }
+
+    if (!pCurrentFactorToken)
+    {
+        if (mbMatrixFlag)
+        {
+            // An array/matrix formula acts as ForceArray on all top level
+            // operators and function calls, so that can be inherited properly
+            // below.
+            rCurr->SetInForceArray( ParamClass::ForceArray);
+        }
+        else if (pc >= 2 && SC_OPCODE_START_BIN_OP <= eOp && eOp < SC_OPCODE_STOP_BIN_OP)
+        {
+            // Binary operators are not functions followed by arguments
+            // and need some peeking into RPN to inspect their operands.
+            // Note that array context is not forced if only one
+            // of the operands is an array like "={1;2}+A1:A2" returns #VALUE!
+            // if entered in column A and not input in array mode, because it
+            // involves a range reference with an implicit intersection. Check
+            // both arguments are arrays, or the other is ocPush without ranges
+            // for "={1;2}+3" or "={1;2}+A1".
+            // Note this does not catch "={1;2}+ABS(A1)" that could be forced
+            // to array, user still has to close in array mode.
+            // The IsMatrixFunction() is only necessary because not all
+            // functions returning matrix have ForceArrayReturn (yet?), see
+            // OOXML comment above.
+
+            const OpCode eOp1 = pCode[-1]->GetOpCode();
+            const OpCode eOp2 = pCode[-2]->GetOpCode();
+            const bool b1 = (pCode[-1]->GetInForceArray() != ParamClass::Unknown || IsMatrixFunction(eOp1));
+            const bool b2 = (pCode[-2]->GetInForceArray() != ParamClass::Unknown || IsMatrixFunction(eOp2));
+            if ((b1 && b2)
+                    || (b1 && eOp2 == ocPush && pCode[-2]->GetType() != svDoubleRef)
+                    || (b2 && eOp1 == ocPush && pCode[-1]->GetType() != svDoubleRef))
+            {
+                rCurr->SetInForceArray( eArrayReturn);
+            }
+        }
+        else if (pc >= 1 && SC_OPCODE_START_UN_OP <= eOp && eOp < SC_OPCODE_STOP_UN_OP)
+        {
+            // Similar for unary operators.
+            if (pCode[-1]->GetInForceArray() != ParamClass::Unknown || IsMatrixFunction(pCode[-1]->GetOpCode()))
+            {
+                rCurr->SetInForceArray( eArrayReturn);
+            }
+        }
+        return;
+    }
+
+    // Inherited parameter class.
+    const formula::ParamClass eForceType = pCurrentFactorToken->GetInForceArray();
+    if (eForceType == ParamClass::ForceArray || eForceType == ParamClass::ReferenceOrRefArray)
+    {
+        // ReferenceOrRefArray was set only if in ForceArray context already,
+        // it is valid for the one function only to indicate the preferred
+        // return type. Propagate as ForceArray if not another parameter
+        // handling ReferenceOrRefArray.
+        if (nCurrentFactorParam > 0
+                && (GetForceArrayParameter( pCurrentFactorToken.get(), static_cast<sal_uInt16>(nCurrentFactorParam - 1))
+                    == ParamClass::ReferenceOrRefArray))
+            rCurr->SetInForceArray( ParamClass::ReferenceOrRefArray);
+        else
+            rCurr->SetInForceArray( ParamClass::ForceArray);
+        return;
+    }
+    else if (eForceType == ParamClass::ReferenceOrForceArray)
+    {
+        // Inherit further only if the return class of the nested function is
+        // not Reference. Else flag as suppressed.
+        if (GetForceArrayParameter( rCurr.get(), SAL_MAX_UINT16) != ParamClass::Reference)
+            rCurr->SetInForceArray( eForceType);
+        else
+            rCurr->SetInForceArray( ParamClass::SuppressedReferenceOrForceArray);
+        return;
+    }
+
+    if (nCurrentFactorParam <= 0)
+        return;
+
+    // Actual current parameter's class.
+    const formula::ParamClass eParamType = GetForceArrayParameter(
+            pCurrentFactorToken.get(), static_cast<sal_uInt16>(nCurrentFactorParam - 1));
+    if (eParamType == ParamClass::ForceArray)
+        rCurr->SetInForceArray( eParamType);
+    else if (eParamType == ParamClass::ReferenceOrForceArray)
+    {
+        if (GetForceArrayParameter( rCurr.get(), SAL_MAX_UINT16) != ParamClass::Reference)
+            rCurr->SetInForceArray( eParamType);
+        else
+            rCurr->SetInForceArray( formula::ParamClass::SuppressedReferenceOrForceArray);
+    }
+
+    // Propagate a ForceArrayReturn to caller if the called function
+    // returns one and the caller so far does not have a stronger array
+    // mode set and expects a scalar value for this parameter.
+    if (eParamType == ParamClass::Value && pCurrentFactorToken->GetInForceArray() == ParamClass::Unknown)
+    {
+        if (IsMatrixFunction( eOp))
+            pCurrentFactorToken->SetInForceArray( eArrayReturn);
+        else if (GetForceArrayParameter( rCurr.get(), SAL_MAX_UINT16) == ParamClass::ForceArrayReturn)
+            pCurrentFactorToken->SetInForceArray( ParamClass::ForceArrayReturn);
+    }
+}
+
+void FormulaCompiler::CheckSetForceArrayParameter( FormulaTokenRef const & rCurr, sal_uInt8 nParam )
+{
+    if (!pCurrentFactorToken)
+        return;
+
+    nCurrentFactorParam = nParam + 1;
+
+    ForceArrayOperator( rCurr);
+}
+
+void FormulaCompiler::PushTokenArray( FormulaTokenArray* pa, bool bTemp )
+{
+    if ( bAutoCorrect && !pStack )
+    {   // don't merge stacked subroutine code into entered formula
+        aCorrectedFormula += aCorrectedSymbol;
+        aCorrectedSymbol.clear();
+    }
+    FormulaArrayStack* p = new FormulaArrayStack;
+    p->pNext      = pStack;
+    p->pArr       = pArr;
+    p->nIndex     = maArrIterator.GetIndex();
+    p->mpLastToken = mpLastToken;
+    p->bTemp      = bTemp;
+    pStack        = p;
+    pArr          = pa;
+    maArrIterator = FormulaTokenArrayPlainIterator( *pArr );
+}
+
+} // namespace formula
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/formula/source/core/api/FormulaOpCodeMapperObj.cxx b/formula/source/core/api/FormulaOpCodeMapperObj.cxx
new file mode 100644
index 000000000..a3ffe56cc
--- /dev/null
+++ b/formula/source/core/api/FormulaOpCodeMapperObj.cxx
@@ -0,0 +1,104 @@
+/* -*- 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 .
+ */
+
+#include <memory>
+#include <sal/config.h>
+
+#include <utility>
+
+#include <formula/FormulaCompiler.hxx>
+#include <formula/FormulaOpCodeMapperObj.hxx>
+#include <formula/opcode.hxx>
+#include <cppuhelper/supportsservice.hxx>
+#include <com/sun/star/lang/IllegalArgumentException.hpp>
+
+namespace formula
+{
+    using namespace ::com::sun::star;
+
+sal_Bool SAL_CALL FormulaOpCodeMapperObj::supportsService( const OUString& _rServiceName )
+{
+    return cppu::supportsService(this, _rServiceName);
+}
+
+FormulaOpCodeMapperObj::FormulaOpCodeMapperObj(::std::unique_ptr<FormulaCompiler> && _pCompiler)
+: m_pCompiler(std::move(_pCompiler))
+{
+}
+
+FormulaOpCodeMapperObj::~FormulaOpCodeMapperObj()
+{
+}
+
+::sal_Int32 SAL_CALL FormulaOpCodeMapperObj::getOpCodeExternal()
+{
+    return ocExternal;
+}
+
+
+::sal_Int32 SAL_CALL FormulaOpCodeMapperObj::getOpCodeUnknown()
+{
+    return FormulaCompiler::OpCodeMap::getOpCodeUnknown();
+}
+
+
+css::uno::Sequence< css::sheet::FormulaToken >
+SAL_CALL FormulaOpCodeMapperObj::getMappings(
+        const css::uno::Sequence< OUString >& rNames,
+        sal_Int32 nLanguage )
+{
+    FormulaCompiler::OpCodeMapPtr xMap = m_pCompiler->GetOpCodeMap( nLanguage);
+    if (!xMap)
+        throw lang::IllegalArgumentException();
+    return xMap->createSequenceOfFormulaTokens( *m_pCompiler,rNames);
+}
+
+
+css::uno::Sequence< css::sheet::FormulaOpCodeMapEntry >
+SAL_CALL FormulaOpCodeMapperObj::getAvailableMappings(
+        sal_Int32 nLanguage, sal_Int32 nGroups )
+{
+    FormulaCompiler::OpCodeMapPtr xMap = m_pCompiler->GetOpCodeMap( nLanguage);
+    if (!xMap)
+        throw lang::IllegalArgumentException();
+    return xMap->createSequenceOfAvailableMappings( *m_pCompiler,nGroups);
+}
+
+OUString SAL_CALL FormulaOpCodeMapperObj::getImplementationName(  )
+{
+    return "simple.formula.FormulaOpCodeMapperObj";
+}
+
+uno::Sequence< OUString > SAL_CALL FormulaOpCodeMapperObj::getSupportedServiceNames(  )
+{
+    return { "com.sun.star.sheet.FormulaOpCodeMapper" };
+}
+
+} // formula
+
+extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface*
+simple_formula_FormulaOpCodeMapperObj(
+    css::uno::XComponentContext* , css::uno::Sequence<css::uno::Any> const& )
+{
+    return cppu::acquire(
+            new formula::FormulaOpCodeMapperObj(std::make_unique<formula::FormulaCompiler>()));
+}
+
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/formula/source/core/api/grammar.cxx b/formula/source/core/api/grammar.cxx
new file mode 100644
index 000000000..3974ee28d
--- /dev/null
+++ b/formula/source/core/api/grammar.cxx
@@ -0,0 +1,87 @@
+/* -*- 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 .
+ */
+
+#include <formula/grammar.hxx>
+#include <cassert>
+
+namespace formula {
+
+FormulaGrammar::Grammar FormulaGrammar::mapAPItoGrammar( const bool bEnglish, const bool bXML )
+{
+    Grammar eGrammar;
+    if (bEnglish && bXML)
+        eGrammar = GRAM_PODF;
+    else if (bEnglish && !bXML)
+        eGrammar = GRAM_API;
+    else if (!bEnglish && bXML)
+        eGrammar = GRAM_NATIVE_ODF;
+    else // (!bEnglish && !bXML)
+        eGrammar = GRAM_NATIVE;
+    return eGrammar;
+}
+
+bool FormulaGrammar::isSupported( const Grammar eGrammar )
+{
+    switch (eGrammar)
+    {
+        case GRAM_ODFF           :
+        case GRAM_PODF           :
+        case GRAM_ENGLISH        :
+        case GRAM_NATIVE         :
+        case GRAM_ODFF_UI        :
+        case GRAM_ODFF_A1        :
+        case GRAM_PODF_UI        :
+        case GRAM_PODF_A1        :
+        case GRAM_NATIVE_UI      :
+        case GRAM_NATIVE_ODF     :
+        case GRAM_NATIVE_XL_A1   :
+        case GRAM_NATIVE_XL_R1C1 :
+        case GRAM_ENGLISH_XL_A1  :
+        case GRAM_ENGLISH_XL_R1C1:
+        case GRAM_ENGLISH_XL_OOX :
+        case GRAM_OOXML          :
+        case GRAM_API            :
+            return true;
+        default:
+            return extractFormulaLanguage( eGrammar) == GRAM_EXTERNAL;
+    }
+}
+
+FormulaGrammar::Grammar FormulaGrammar::setEnglishBit( const Grammar eGrammar, const bool bEnglish )
+{
+    if (bEnglish)
+        return static_cast<Grammar>( eGrammar | kEnglishBit);
+    else
+        return static_cast<Grammar>( eGrammar & ~kEnglishBit);
+}
+
+FormulaGrammar::Grammar FormulaGrammar::mergeToGrammar( const Grammar eGrammar, const AddressConvention eConv )
+{
+    bool bEnglish = isEnglish( eGrammar);
+    Grammar eGram = static_cast<Grammar>(
+            extractFormulaLanguage( eGrammar) |
+            ((eConv + kConventionOffset) << kConventionShift));
+    eGram = setEnglishBit( eGram, bEnglish);
+    assert( isSupported( eGram));
+    return eGram;
+}
+
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/formula/source/core/api/token.cxx b/formula/source/core/api/token.cxx
new file mode 100644
index 000000000..f194a4f74
--- /dev/null
+++ b/formula/source/core/api/token.cxx
@@ -0,0 +1,2032 @@
+/* -*- 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 .
+ */
+
+
+#include <algorithm>
+
+#include <string.h>
+#include <limits.h>
+#include <osl/diagnose.h>
+#include <sal/log.hxx>
+
+#include <com/sun/star/sheet/FormulaToken.hpp>
+#include <formula/errorcodes.hxx>
+#include <formula/token.hxx>
+#include <formula/tokenarray.hxx>
+#include <formula/FormulaCompiler.hxx>
+#include <formula/compiler.hxx>
+#include <svl/sharedstringpool.hxx>
+#include <memory>
+
+namespace formula
+{
+    using namespace com::sun::star;
+
+
+// --- helpers --------------------------------------------------------------
+
+static bool lcl_IsReference( OpCode eOp, StackVar eType )
+{
+    return
+        (eOp == ocPush && (eType == svSingleRef || eType == svDoubleRef))
+        || (eOp == ocColRowNameAuto && eType == svDoubleRef)
+        || (eOp == ocColRowName && eType == svSingleRef)
+        || (eOp == ocMatRef && eType == svSingleRef)
+        ;
+}
+
+// --- class FormulaToken --------------------------------------------------------
+
+FormulaToken::FormulaToken( StackVar eTypeP, OpCode e ) :
+    eOp(e), eType( eTypeP ), mnRefCnt(0)
+{
+}
+
+FormulaToken::FormulaToken( const FormulaToken& r ) :
+    eOp(r.eOp), eType( r.eType ), mnRefCnt(0)
+{
+}
+
+FormulaToken::~FormulaToken()
+{
+}
+
+bool FormulaToken::IsFunction() const
+{
+    return (eOp != ocPush && eOp != ocBad && eOp != ocColRowName &&
+            eOp != ocColRowNameAuto && eOp != ocName && eOp != ocDBArea &&
+            eOp != ocTableRef &&
+           (GetByte() != 0                                                  // x parameters
+        || (SC_OPCODE_START_NO_PAR <= eOp && eOp < SC_OPCODE_STOP_NO_PAR)   // no parameter
+        || FormulaCompiler::IsOpCodeJumpCommand( eOp )                      // @ jump commands
+        || (SC_OPCODE_START_1_PAR <= eOp && eOp < SC_OPCODE_STOP_1_PAR)     // one parameter
+        || (SC_OPCODE_START_2_PAR <= eOp && eOp < SC_OPCODE_STOP_2_PAR)     // x parameters (cByte==0 in
+                                                                            // FuncAutoPilot)
+        || eOp == ocMacro || eOp == ocExternal                  // macros, AddIns
+        || eOp == ocAnd || eOp == ocOr                          // former binary, now x parameters
+        || (eOp >= ocInternalBegin && eOp <= ocInternalEnd)     // internal
+        ));
+}
+
+
+sal_uInt8 FormulaToken::GetParamCount() const
+{
+    if ( eOp < SC_OPCODE_STOP_DIV && eOp != ocExternal && eOp != ocMacro &&
+         !FormulaCompiler::IsOpCodeJumpCommand( eOp ) &&
+         eOp != ocPercentSign )
+        return 0;       // parameters and specials
+                        // ocIf... jump commands not for FAP, have cByte then
+//2do: bool parameter whether FAP or not?
+    else if (GetByte())
+        return GetByte();   // all functions, also ocExternal and ocMacro
+    else if (SC_OPCODE_START_BIN_OP <= eOp && eOp < SC_OPCODE_STOP_BIN_OP && eOp != ocAnd && eOp != ocOr)
+        return 2;           // binary operators, compiler checked; OR and AND legacy but are functions
+    else if ((SC_OPCODE_START_UN_OP <= eOp && eOp < SC_OPCODE_STOP_UN_OP) || eOp == ocPercentSign)
+        return 1;           // unary operators, compiler checked
+    else if (SC_OPCODE_START_NO_PAR <= eOp && eOp < SC_OPCODE_STOP_NO_PAR)
+        return 0;           // no parameter
+    else if (FormulaCompiler::IsOpCodeJumpCommand( eOp ))
+        return 1;           // only the condition counts as parameter
+    else
+        return 0;           // all the rest, no Parameter, or
+                            // if so then it should be in cByte
+}
+
+bool FormulaToken::IsExternalRef() const
+{
+    bool bRet = false;
+    switch (eType)
+    {
+        case svExternalSingleRef:
+        case svExternalDoubleRef:
+        case svExternalName:
+            bRet = true;
+            break;
+        default:
+            bRet = false;
+            break;
+    }
+    return bRet;
+}
+
+bool FormulaToken::IsRef() const
+{
+    switch (eType)
+    {
+        case svSingleRef:
+        case svDoubleRef:
+        case svExternalSingleRef:
+        case svExternalDoubleRef:
+            return true;
+        default:
+            if (eOp == ocTableRef)
+                return true;
+    }
+
+    return false;
+}
+
+bool FormulaToken::IsInForceArray() const
+{
+    ParamClass eParam = GetInForceArray();
+    return eParam == ParamClass::ForceArray || eParam == ParamClass::ReferenceOrForceArray
+        || eParam == ParamClass::ReferenceOrRefArray || eParam == ParamClass::ForceArrayReturn;
+}
+
+bool FormulaToken::operator==( const FormulaToken& rToken ) const
+{
+    // don't compare reference count!
+    return  eType == rToken.eType && GetOpCode() == rToken.GetOpCode();
+}
+
+
+// --- virtual dummy methods -------------------------------------------------
+
+sal_uInt8 FormulaToken::GetByte() const
+{
+    // ok to be called for any derived class
+    return 0;
+}
+
+void FormulaToken::SetByte( sal_uInt8 )
+{
+    assert( !"virtual dummy called" );
+}
+
+ParamClass FormulaToken::GetInForceArray() const
+{
+    // ok to be called for any derived class
+    return (eOp == ocPush && eType == svMatrix) ? ParamClass::ForceArrayReturn : ParamClass::Unknown;
+}
+
+void FormulaToken::SetInForceArray( ParamClass )
+{
+    assert( !"virtual dummy called" );
+}
+
+double FormulaToken::GetDouble() const
+{
+    // This Get is worth an assert.
+    assert( !"virtual dummy called" );
+    return 0.0;
+}
+
+double & FormulaToken::GetDoubleAsReference()
+{
+    // This Get is worth an assert.
+    assert( !"virtual dummy called" );
+    static double fVal = 0.0;
+    return fVal;
+}
+
+sal_Int16 FormulaToken::GetDoubleType() const
+{
+    SAL_WARN( "formula.core", "FormulaToken::GetDoubleType: virtual dummy called" );
+    return 0;
+}
+
+void FormulaToken::SetDoubleType( sal_Int16 )
+{
+    assert( !"virtual dummy called" );
+}
+
+const svl::SharedString INVALID_STRING;
+
+const svl::SharedString & FormulaToken::GetString() const
+{
+    SAL_WARN( "formula.core", "FormulaToken::GetString: virtual dummy called" );
+    return INVALID_STRING; // invalid string
+}
+
+void FormulaToken::SetString( const svl::SharedString& )
+{
+    assert( !"virtual dummy called" );
+}
+
+sal_uInt16 FormulaToken::GetIndex() const
+{
+    SAL_WARN( "formula.core", "FormulaToken::GetIndex: virtual dummy called" );
+    return 0;
+}
+
+void FormulaToken::SetIndex( sal_uInt16 )
+{
+    assert( !"virtual dummy called" );
+}
+
+sal_Int16 FormulaToken::GetSheet() const
+{
+    SAL_WARN( "formula.core", "FormulaToken::GetSheet: virtual dummy called" );
+    return -1;
+}
+
+void FormulaToken::SetSheet( sal_Int16 )
+{
+    assert( !"virtual dummy called" );
+}
+
+sal_Unicode FormulaToken::GetChar() const
+{
+    // This Get is worth an assert.
+    assert( !"virtual dummy called" );
+    return 0;
+}
+
+short* FormulaToken::GetJump() const
+{
+    SAL_WARN( "formula.core", "FormulaToken::GetJump: virtual dummy called" );
+    return nullptr;
+}
+
+
+const OUString& FormulaToken::GetExternal() const
+{
+    SAL_WARN( "formula.core", "FormulaToken::GetExternal: virtual dummy called" );
+    static  OUString              aDummyString;
+    return aDummyString;
+}
+
+FormulaToken* FormulaToken::GetFAPOrigToken() const
+{
+    SAL_WARN( "formula.core", "FormulaToken::GetFAPOrigToken: virtual dummy called" );
+    return nullptr;
+}
+
+FormulaError FormulaToken::GetError() const
+{
+    SAL_WARN( "formula.core", "FormulaToken::GetError: virtual dummy called" );
+    return FormulaError::NONE;
+}
+
+void FormulaToken::SetError( FormulaError )
+{
+    assert( !"virtual dummy called" );
+}
+
+const ScSingleRefData* FormulaToken::GetSingleRef() const
+{
+    OSL_FAIL( "FormulaToken::GetSingleRef: virtual dummy called" );
+    return nullptr;
+}
+
+ScSingleRefData* FormulaToken::GetSingleRef()
+{
+    OSL_FAIL( "FormulaToken::GetSingleRef: virtual dummy called" );
+    return nullptr;
+}
+
+const ScComplexRefData* FormulaToken::GetDoubleRef() const
+{
+    OSL_FAIL( "FormulaToken::GetDoubleRef: virtual dummy called" );
+    return nullptr;
+}
+
+ScComplexRefData* FormulaToken::GetDoubleRef()
+{
+    OSL_FAIL( "FormulaToken::GetDoubleRef: virtual dummy called" );
+    return nullptr;
+}
+
+const ScSingleRefData* FormulaToken::GetSingleRef2() const
+{
+    OSL_FAIL( "FormulaToken::GetSingleRef2: virtual dummy called" );
+    return nullptr;
+}
+
+ScSingleRefData* FormulaToken::GetSingleRef2()
+{
+    OSL_FAIL( "FormulaToken::GetSingleRef2: virtual dummy called" );
+    return nullptr;
+}
+
+const ScMatrix* FormulaToken::GetMatrix() const
+{
+    OSL_FAIL( "FormulaToken::GetMatrix: virtual dummy called" );
+    return nullptr;
+}
+
+ScMatrix* FormulaToken::GetMatrix()
+{
+    OSL_FAIL( "FormulaToken::GetMatrix: virtual dummy called" );
+    return nullptr;
+}
+
+ScJumpMatrix* FormulaToken::GetJumpMatrix() const
+{
+    OSL_FAIL( "FormulaToken::GetJumpMatrix: virtual dummy called" );
+    return nullptr;
+}
+const std::vector<ScComplexRefData>* FormulaToken::GetRefList() const
+{
+    OSL_FAIL( "FormulaToken::GetRefList: virtual dummy called" );
+    return nullptr;
+}
+
+std::vector<ScComplexRefData>* FormulaToken::GetRefList()
+{
+    OSL_FAIL( "FormulaToken::GetRefList: virtual dummy called" );
+    return nullptr;
+}
+
+bool FormulaToken::TextEqual( const FormulaToken& rToken ) const
+{
+    return *this == rToken;
+}
+
+// real implementations of virtual functions
+
+
+sal_uInt8   FormulaSpaceToken::GetByte() const  { return nByte; }
+sal_Unicode FormulaSpaceToken::GetChar() const  { return cChar; }
+bool FormulaSpaceToken::operator==( const FormulaToken& r ) const
+{
+    return FormulaToken::operator==( r ) && nByte == r.GetByte() &&
+        cChar == r.GetChar();
+}
+
+
+sal_uInt8   FormulaByteToken::GetByte() const           { return nByte; }
+void        FormulaByteToken::SetByte( sal_uInt8 n )    { nByte = n; }
+ParamClass  FormulaByteToken::GetInForceArray() const    { return eInForceArray; }
+void        FormulaByteToken::SetInForceArray( ParamClass c ) { eInForceArray = c; }
+bool FormulaByteToken::operator==( const FormulaToken& r ) const
+{
+    return FormulaToken::operator==( r ) && nByte == r.GetByte() &&
+        eInForceArray == r.GetInForceArray();
+}
+
+
+FormulaToken* FormulaFAPToken::GetFAPOrigToken() const  { return pOrigToken.get(); }
+bool FormulaFAPToken::operator==( const FormulaToken& r ) const
+{
+    return FormulaByteToken::operator==( r ) && pOrigToken == r.GetFAPOrigToken();
+}
+
+
+short*      FormulaJumpToken::GetJump() const                   { return pJump.get(); }
+ParamClass  FormulaJumpToken::GetInForceArray() const           { return eInForceArray; }
+void        FormulaJumpToken::SetInForceArray( ParamClass c )   { eInForceArray = c; }
+bool FormulaJumpToken::operator==( const FormulaToken& r ) const
+{
+    return FormulaToken::operator==( r ) && pJump[0] == r.GetJump()[0] &&
+        memcmp( pJump.get()+1, r.GetJump()+1, pJump[0] * sizeof(short) ) == 0 &&
+        eInForceArray == r.GetInForceArray();
+}
+FormulaJumpToken::~FormulaJumpToken()
+{
+}
+
+
+bool FormulaTokenArray::AddFormulaToken(
+    const sheet::FormulaToken& rToken, svl::SharedStringPool& rSPool, ExternalReferenceHelper* /*pExtRef*/)
+{
+    bool bError = false;
+    const OpCode eOpCode = static_cast<OpCode>(rToken.OpCode);      //! assuming equal values for the moment
+
+    const uno::TypeClass eClass = rToken.Data.getValueTypeClass();
+    switch ( eClass )
+    {
+        case uno::TypeClass_VOID:
+            // empty data -> use AddOpCode (does some special cases)
+            AddOpCode( eOpCode );
+            break;
+        case uno::TypeClass_DOUBLE:
+            // double is only used for "push"
+            if ( eOpCode == ocPush )
+                AddDouble( rToken.Data.get<double>() );
+            else
+                bError = true;
+            break;
+        case uno::TypeClass_LONG:
+            {
+                // long is svIndex, used for name / database area, or "byte" for spaces
+                sal_Int32 nValue = rToken.Data.get<sal_Int32>();
+                if ( eOpCode == ocDBArea )
+                    Add( new formula::FormulaIndexToken( eOpCode, static_cast<sal_uInt16>(nValue) ) );
+                else if ( eOpCode == ocTableRef )
+                    bError = true;  /* TODO: implementation */
+                else if ( eOpCode == ocSpaces )
+                    Add( new formula::FormulaByteToken( ocSpaces, static_cast<sal_uInt8>(nValue) ) );
+                else
+                    bError = true;
+            }
+            break;
+        case uno::TypeClass_STRING:
+            {
+                OUString aStrVal( rToken.Data.get<OUString>() );
+                if ( eOpCode == ocPush )
+                    AddString(rSPool.intern(aStrVal));
+                else if ( eOpCode == ocBad )
+                    AddBad( aStrVal );
+                else if ( eOpCode == ocStringXML )
+                    AddStringXML( aStrVal );
+                else if ( eOpCode == ocExternal || eOpCode == ocMacro )
+                    Add( new formula::FormulaExternalToken( eOpCode, aStrVal ) );
+                else if ( eOpCode == ocWhitespace )
+                {
+                    // Simply ignore empty string.
+                    // Convention is one character repeated.
+                    if (!aStrVal.isEmpty())
+                        Add( new formula::FormulaSpaceToken( static_cast<sal_uInt8>(aStrVal.getLength()), aStrVal[0]));
+                }
+                else
+                    bError = true;      // unexpected string: don't know what to do with it
+            }
+            break;
+        default:
+            bError = true;
+    } // switch ( eClass )
+    return bError;
+}
+
+bool FormulaTokenArray::Fill(
+    const uno::Sequence<sheet::FormulaToken>& rSequence,
+    svl::SharedStringPool& rSPool, ExternalReferenceHelper* pExtRef )
+{
+    bool bError = false;
+    const sal_Int32 nCount = rSequence.getLength();
+    for (sal_Int32 nPos=0; nPos<nCount; nPos++)
+    {
+        bool bOneError = AddFormulaToken(rSequence[nPos], rSPool, pExtRef);
+        if (bOneError)
+        {
+            AddOpCode( ocErrName);  // add something that indicates an error
+            bError = true;
+        }
+    }
+    return bError;
+}
+
+void FormulaTokenArray::DelRPN()
+{
+    if( nRPN )
+    {
+        FormulaToken** p = pRPN;
+        for( sal_uInt16 i = 0; i < nRPN; i++ )
+        {
+            (*p++)->DecRef();
+        }
+        delete [] pRPN;
+    }
+    pRPN = nullptr;
+    nRPN = 0;
+}
+
+FormulaToken* FormulaTokenArray::FirstToken() const
+{
+    if (!pCode || nLen == 0)
+        return nullptr;
+    return pCode[0];
+}
+
+FormulaToken* FormulaTokenArray::PeekPrev( sal_uInt16 & nIdx ) const
+{
+    if (0 < nIdx && nIdx <= nLen)
+        return pCode[--nIdx];
+    return nullptr;
+}
+
+FormulaToken* FormulaTokenArray::FirstRPNToken() const
+{
+    if (!pRPN || nRPN == 0)
+        return nullptr;
+    return pRPN[0];
+}
+
+FormulaToken* FormulaTokenArray::LastRPNToken() const
+{
+    if (!pRPN || nRPN == 0)
+        return nullptr;
+    return pRPN[nRPN - 1];
+}
+
+bool FormulaTokenArray::HasReferences() const
+{
+    for (auto i: Tokens())
+    {
+        if (i->IsRef())
+            return true;
+    }
+
+    for (auto i: RPNTokens())
+    {
+        if (i->IsRef())
+            return true;
+    }
+
+    return false;
+}
+
+bool FormulaTokenArray::HasExternalRef() const
+{
+    for (auto i: Tokens())
+    {
+        if (i->IsExternalRef())
+            return true;
+    }
+    return false;
+}
+
+bool FormulaTokenArray::HasOpCode( OpCode eOp ) const
+{
+    for (auto i: Tokens())
+    {
+        if (i->GetOpCode() == eOp)
+            return true;
+    }
+    return false;
+}
+
+bool FormulaTokenArray::HasOpCodeRPN( OpCode eOp ) const
+{
+    for (auto i: RPNTokens())
+    {
+        if (i->GetOpCode() == eOp)
+            return true;
+    }
+    return false;
+}
+
+bool FormulaTokenArray::HasNameOrColRowName() const
+{
+    for (auto i: Tokens())
+    {
+        if (i->GetType() == svIndex || i->GetOpCode() == ocColRowName )
+            return true;
+    }
+    return false;
+}
+
+bool FormulaTokenArray::HasOpCodes(const unordered_opcode_set& rOpCodes) const
+{
+    for (auto i: Tokens())
+    {
+        if (rOpCodes.count(i->GetOpCode()) > 0)
+            return true;
+    }
+
+    return false;
+}
+
+FormulaTokenArray::FormulaTokenArray() :
+    pRPN(nullptr),
+    nLen(0),
+    nRPN(0),
+    nError(FormulaError::NONE),
+    nMode(ScRecalcMode::NORMAL),
+    bHyperLink(false),
+    mbFromRangeName(false),
+    mbShareable(true),
+    mbFinalized(false)
+{
+}
+
+FormulaTokenArray::FormulaTokenArray( const FormulaTokenArray& rArr )
+{
+    Assign( rArr );
+}
+
+FormulaTokenArray::FormulaTokenArray( FormulaTokenArray&& rArr )
+{
+    Move( std::move(rArr) );
+}
+
+FormulaTokenArray::~FormulaTokenArray()
+{
+    FormulaTokenArray::Clear();
+}
+
+void FormulaTokenArray::Finalize()
+{
+    if( nLen && !mbFinalized )
+    {
+        // Add() overallocates, so reallocate to the minimum needed size.
+        std::unique_ptr<FormulaToken*[]> newCode(new FormulaToken*[ nLen ]);
+        std::copy(&pCode[0], &pCode[nLen], newCode.get());
+        pCode = std::move( newCode );
+        mbFinalized = true;
+    }
+}
+
+void FormulaTokenArray::Assign( const FormulaTokenArray& r )
+{
+    nLen   = r.nLen;
+    nRPN   = r.nRPN;
+    nError = r.nError;
+    nMode  = r.nMode;
+    bHyperLink = r.bHyperLink;
+    mbFromRangeName = r.mbFromRangeName;
+    mbShareable = r.mbShareable;
+    mbFinalized = r.mbFinalized;
+    pCode  = nullptr;
+    pRPN   = nullptr;
+    FormulaToken** pp;
+    if( nLen )
+    {
+        pCode.reset(new FormulaToken*[ nLen ]);
+        pp = pCode.get();
+        memcpy( pp, r.pCode.get(), nLen * sizeof( FormulaToken* ) );
+        for( sal_uInt16 i = 0; i < nLen; i++ )
+            (*pp++)->IncRef();
+        mbFinalized = true;
+    }
+    if( nRPN )
+    {
+        pp = pRPN = new FormulaToken*[ nRPN ];
+        memcpy( pp, r.pRPN, nRPN * sizeof( FormulaToken* ) );
+        for( sal_uInt16 i = 0; i < nRPN; i++ )
+            (*pp++)->IncRef();
+    }
+}
+
+void FormulaTokenArray::Move( FormulaTokenArray&& r )
+{
+    pCode  = std::move(r.pCode);
+    pRPN   = r.pRPN;
+    r.pRPN = nullptr;
+    nLen   = r.nLen;
+    r.nLen = 0;
+    nRPN   = r.nRPN;
+    r.nRPN = 0;
+    nError = r.nError;
+    nMode  = r.nMode;
+    bHyperLink = r.bHyperLink;
+    mbFromRangeName = r.mbFromRangeName;
+    mbShareable = r.mbShareable;
+    mbFinalized = r.mbFinalized;
+}
+
+/// Optimisation for efficiently creating StringXML placeholders
+void FormulaTokenArray::Assign( sal_uInt16 nCode, FormulaToken **pTokens )
+{
+    assert( nLen == 0 );
+    assert( pCode == nullptr );
+
+    nLen = nCode;
+    pCode.reset(new FormulaToken*[ nLen ]);
+    mbFinalized = true;
+
+    for( sal_uInt16 i = 0; i < nLen; i++ )
+    {
+        FormulaToken *t = pTokens[ i ];
+        assert( t->GetOpCode() == ocStringXML );
+        pCode[ i ] = t;
+        t->IncRef();
+    }
+}
+
+FormulaTokenArray& FormulaTokenArray::operator=( const FormulaTokenArray& rArr )
+{
+    if(this == &rArr)
+        return *this;
+
+    Clear();
+    Assign( rArr );
+    return *this;
+}
+
+FormulaTokenArray& FormulaTokenArray::operator=( FormulaTokenArray&& rArr )
+{
+    Clear();
+    Move( std::move(rArr) );
+    return *this;
+}
+
+void FormulaTokenArray::Clear()
+{
+    if( nRPN ) DelRPN();
+    if( pCode )
+    {
+        FormulaToken** p = pCode.get();
+        for( sal_uInt16 i = 0; i < nLen; i++ )
+        {
+            (*p++)->DecRef();
+        }
+        pCode.reset();
+    }
+    pRPN = nullptr;
+    nError = FormulaError::NONE;
+    nLen = nRPN = 0;
+    bHyperLink = false;
+    mbFromRangeName = false;
+    mbShareable = true;
+    mbFinalized = false;
+    ClearRecalcMode();
+}
+
+void FormulaTokenArray::CheckToken( const FormulaToken& /*r*/ )
+{
+    // Do nothing.
+}
+
+void FormulaTokenArray::CheckAllRPNTokens()
+{
+    if( nRPN )
+    {
+        FormulaToken** p = pRPN;
+        for( sal_uInt16 i = 0; i < nRPN; i++ )
+        {
+            CheckToken( *p[ i ] );
+        }
+    }
+}
+
+FormulaToken* FormulaTokenArray::AddToken( const FormulaToken& r )
+{
+    return Add( r.Clone() );
+}
+
+FormulaToken* FormulaTokenArray::MergeArray( )
+{
+    return nullptr;
+}
+
+FormulaToken* FormulaTokenArray::ReplaceToken( sal_uInt16 nOffset, FormulaToken* t,
+        FormulaTokenArray::ReplaceMode eMode )
+{
+    if (nOffset < nLen)
+    {
+        CheckToken(*t);
+        t->IncRef();
+        FormulaToken* p = pCode[nOffset];
+        pCode[nOffset] = t;
+        if (eMode == CODE_AND_RPN && p->GetRef() > 1)
+        {
+            for (sal_uInt16 i=0; i < nRPN; ++i)
+            {
+                if (pRPN[i] == p)
+                {
+                    t->IncRef();
+                    pRPN[i] = t;
+                    p->DecRef();
+                    if (p->GetRef() == 1)
+                        break;  // for
+                }
+            }
+        }
+        p->DecRef();    // may be dead now
+        return t;
+    }
+    else
+    {
+        t->DeleteIfZeroRef();
+        return nullptr;
+    }
+}
+
+sal_uInt16 FormulaTokenArray::RemoveToken( sal_uInt16 nOffset, sal_uInt16 nCount )
+{
+    if (nOffset < nLen)
+    {
+        SAL_WARN_IF( nOffset + nCount > nLen, "formula.core",
+                "FormulaTokenArray::RemoveToken - nOffset " << nOffset << " + nCount " << nCount << " > nLen " << nLen);
+        const sal_uInt16 nStop = ::std::min( static_cast<sal_uInt16>(nOffset + nCount), nLen);
+        nCount = nStop - nOffset;
+        for (sal_uInt16 j = nOffset; j < nStop; ++j)
+        {
+            FormulaToken* p = pCode[j];
+            if (p->GetRef() > 1)
+            {
+                for (sal_uInt16 i=0; i < nRPN; ++i)
+                {
+                    if (pRPN[i] == p)
+                    {
+                        // Shift remaining tokens in pRPN down.
+                        for (sal_uInt16 x=i+1; x < nRPN; ++x)
+                        {
+                            pRPN[x-1] = pRPN[x];
+                        }
+                        --nRPN;
+
+                        p->DecRef();
+                        if (p->GetRef() == 1)
+                            break;  // for
+                    }
+                }
+            }
+            p->DecRef();    // may be dead now
+        }
+
+        // Shift remaining tokens in pCode down.
+        for (sal_uInt16 x = nStop; x < nLen; ++x)
+        {
+            pCode[x-nCount] = pCode[x];
+        }
+        nLen -= nCount;
+
+        return nCount;
+    }
+    else
+    {
+        SAL_WARN("formula.core","FormulaTokenArray::RemoveToken - nOffset " << nOffset << " >= nLen " << nLen);
+        return 0;
+    }
+}
+
+FormulaToken* FormulaTokenArray::Add( FormulaToken* t )
+{
+    assert(!mbFinalized);
+    if (mbFinalized)
+    {
+        t->DeleteIfZeroRef();
+        return nullptr;
+    }
+
+// Allocating an array of size FORMULA_MAXTOKENS is simple, but that results in relatively large
+// allocations that malloc() implementations usually do not handle as efficiently as smaller
+// sizes (not only in terms of memory usage but also speed). Since most token arrays are going
+// to be small, start with a small array and resize only if needed. Eventually Finalize() will
+// reallocate the memory to size exactly matching the requirements.
+    const size_t MAX_FAST_TOKENS = 32;
+    if( !pCode )
+        pCode.reset(new FormulaToken*[ MAX_FAST_TOKENS ]);
+    if( nLen == MAX_FAST_TOKENS )
+    {
+        FormulaToken** tmp = new FormulaToken*[ FORMULA_MAXTOKENS ];
+        std::copy(&pCode[0], &pCode[MAX_FAST_TOKENS], tmp);
+        pCode.reset(tmp);
+    }
+    if( nLen < FORMULA_MAXTOKENS - 1 )
+    {
+        CheckToken(*t);
+        pCode[ nLen++ ] = t;
+        t->IncRef();
+        if( t->GetOpCode() == ocArrayClose )
+            return MergeArray();
+        return t;
+    }
+    else
+    {
+        t->DeleteIfZeroRef();
+        if ( nLen == FORMULA_MAXTOKENS - 1 )
+        {
+            t = new FormulaByteToken( ocStop );
+            pCode[ nLen++ ] = t;
+            t->IncRef();
+        }
+        return nullptr;
+    }
+}
+
+FormulaToken* FormulaTokenArray::AddString( const svl::SharedString& rStr )
+{
+    return Add( new FormulaStringToken( rStr ) );
+}
+
+FormulaToken* FormulaTokenArray::AddDouble( double fVal )
+{
+    return Add( new FormulaDoubleToken( fVal ) );
+}
+
+void FormulaTokenArray::AddExternal( const sal_Unicode* pStr )
+{
+    AddExternal( OUString( pStr ) );
+}
+
+FormulaToken* FormulaTokenArray::AddExternal( const OUString& rStr,
+        OpCode eOp /* = ocExternal */ )
+{
+    return Add( new FormulaExternalToken( eOp, rStr ) );
+}
+
+FormulaToken* FormulaTokenArray::AddBad( const OUString& rStr )
+{
+    return Add( new FormulaStringOpToken( ocBad, svl::SharedString( rStr ) ) ); // string not interned
+}
+
+FormulaToken* FormulaTokenArray::AddStringXML( const OUString& rStr )
+{
+    return Add( new FormulaStringOpToken( ocStringXML, svl::SharedString( rStr ) ) );   // string not interned
+}
+
+
+void FormulaTokenArray::AddRecalcMode( ScRecalcMode nBits )
+{
+    const unsigned nExclusive = static_cast<sal_uInt8>(nBits & ScRecalcMode::EMask);
+    if (nExclusive)
+    {
+        unsigned nExBit;
+        if (nExclusive & (nExclusive - 1))
+        {
+            // More than one bit set, use highest priority.
+            for (nExBit = 1; (nExBit & static_cast<sal_uInt8>(ScRecalcMode::EMask)) != 0; nExBit <<= 1)
+            {
+                if (nExclusive & nExBit)
+                    break;
+            }
+        }
+        else
+        {
+            // Only one bit is set.
+            nExBit = nExclusive;
+        }
+        // Set exclusive bit if priority is higher than existing.
+        if (nExBit < static_cast<sal_uInt8>(nMode & ScRecalcMode::EMask))
+            SetMaskedRecalcMode( static_cast<ScRecalcMode>(nExBit));
+    }
+    SetCombinedBitsRecalcMode( nBits );
+}
+
+
+bool FormulaTokenArray::HasMatrixDoubleRefOps() const
+{
+    if ( !pRPN || !nRPN )
+        return false;
+
+    // RPN-Interpreter simulation.
+    // Simply assumes a double as return value of each function.
+    std::unique_ptr<FormulaToken*[]> pStack(new FormulaToken* [nRPN]);
+    FormulaToken* pResult = new FormulaDoubleToken( 0.0 );
+    short sp = 0;
+    for ( auto t: RPNTokens() )
+    {
+        OpCode eOp = t->GetOpCode();
+        sal_uInt8 nParams = t->GetParamCount();
+        switch ( eOp )
+        {
+            case ocAdd :
+            case ocSub :
+            case ocMul :
+            case ocDiv :
+            case ocPow :
+            case ocPower :
+            case ocAmpersand :
+            case ocEqual :
+            case ocNotEqual :
+            case ocLess :
+            case ocGreater :
+            case ocLessEqual :
+            case ocGreaterEqual :
+            {
+                for ( sal_uInt8 k = nParams; k; k-- )
+                {
+                    if ( sp >= k && pStack[sp-k]->GetType() == svDoubleRef )
+                    {
+                        pResult->Delete();
+                        return true;
+                    }
+                }
+            }
+            break;
+            default:
+            {
+                // added to avoid warnings
+            }
+        }
+        if ( eOp == ocPush || lcl_IsReference( eOp, t->GetType() )  )
+            pStack[sp++] = t;
+        else if (FormulaCompiler::IsOpCodeJumpCommand( eOp ))
+        {   // ignore Jumps, pop previous Result (Condition)
+            if ( sp )
+                --sp;
+        }
+        else
+        {   // pop parameters, push result
+            sp = sal::static_int_cast<short>( sp - nParams );
+            if ( sp < 0 )
+            {
+                SAL_WARN("formula.core", "FormulaTokenArray::HasMatrixDoubleRefOps: sp < 0" );
+                sp = 0;
+            }
+            pStack[sp++] = pResult;
+        }
+    }
+    pResult->Delete();
+
+    return false;
+}
+
+// --- Formula rewrite of a token array
+
+inline bool MissingConventionODF::isRewriteNeeded( OpCode eOp ) const
+{
+    switch (eOp)
+    {
+        case ocGammaDist:
+        case ocPoissonDist:
+        case ocAddress:
+        case ocLogInv:
+        case ocLogNormDist:
+        case ocNormDist:
+            return true;
+        case ocMissing:
+        case ocLog:
+            return isPODF();    // rewrite only for PODF
+        case ocDBCount:
+        case ocDBCount2:
+            return isODFF();    // rewrite only for ODFF
+        default:
+            return false;
+    }
+}
+
+/*
+ fdo 81596
+To be implemented yet:
+  ocExternal:    ?
+  ocMacro:       ?
+  ocIndex:       INDEX() ?
+*/
+inline bool MissingConventionOOXML::isRewriteNeeded( OpCode eOp )
+{
+    switch (eOp)
+    {
+        case ocIf:
+
+        case ocExternal:
+        case ocEuroConvert:
+        case ocMacro:
+
+        case ocRound:
+        case ocRoundUp:
+        case ocRoundDown:
+
+        case ocIndex:
+
+        case ocCeil:
+        case ocFloor:
+
+        case ocGammaDist:
+        case ocFDist_LT:
+        case ocPoissonDist:
+        case ocNormDist:
+        case ocLogInv:
+        case ocLogNormDist:
+        case ocHypGeomDist:
+
+        case ocDBCount:
+        case ocDBCount2:
+            return true;
+
+        default:
+            return false;
+    }
+}
+
+namespace {
+
+class FormulaMissingContext
+{
+    public:
+            const FormulaToken* mpFunc;
+            int                 mnCurArg;
+
+                    void    Clear() { mpFunc = nullptr; mnCurArg = 0; }
+            inline  bool    AddDefaultArg( FormulaTokenArray* pNewArr, int nArg, double f ) const;
+                    bool    AddMissingExternal( FormulaTokenArray* pNewArr ) const;
+                    bool    AddMissing( FormulaTokenArray *pNewArr, const MissingConvention & rConv  ) const;
+                    void    AddMoreArgs( FormulaTokenArray *pNewArr, const MissingConvention & rConv  ) const;
+};
+
+}
+
+void FormulaMissingContext::AddMoreArgs( FormulaTokenArray *pNewArr, const MissingConvention & rConv  ) const
+{
+    if ( !mpFunc )
+        return;
+
+    switch (rConv.getConvention())
+    {
+        case MissingConvention::FORMULA_MISSING_CONVENTION_ODFF:
+        case MissingConvention::FORMULA_MISSING_CONVENTION_PODF:
+            {
+                switch (mpFunc->GetOpCode())
+                {
+                    case ocGammaDist:
+                        if (mnCurArg == 2)
+                        {
+                            pNewArr->AddOpCode( ocSep );
+                            pNewArr->AddDouble( 1.0 );      // 4th, Cumulative=true()
+                        }
+                        break;
+                    case ocPoissonDist:
+                        if (mnCurArg == 1)
+                        {
+                            pNewArr->AddOpCode( ocSep );
+                            pNewArr->AddDouble( 1.0 );      // 3rd, Cumulative=true()
+                        }
+                        break;
+                    case ocNormDist:
+                        if ( mnCurArg == 2 )
+                        {
+                            pNewArr->AddOpCode( ocSep );
+                            pNewArr->AddDouble( 1.0 );      // 4th, Cumulative=true()
+                        }
+                        break;
+                    case ocLogInv:
+                    case ocLogNormDist:
+                        if ( mnCurArg == 0 )
+                        {
+                            pNewArr->AddOpCode( ocSep );
+                            pNewArr->AddDouble( 0.0 );      // 2nd, mean = 0.0
+                        }
+                        if ( mnCurArg <= 1 )
+                        {
+                            pNewArr->AddOpCode( ocSep );
+                            pNewArr->AddDouble( 1.0 );      // 3rd, standard deviation = 1.0
+                        }
+                        break;
+                    case ocLog:
+                        if ( rConv.isPODF() && mnCurArg == 0 )
+                        {
+                            pNewArr->AddOpCode( ocSep );
+                            pNewArr->AddDouble( 10.0 );     // 2nd, basis 10
+                        }
+                        break;
+                    default:
+                        break;
+                }
+            }
+            break;
+        case MissingConvention::FORMULA_MISSING_CONVENTION_OOXML:
+            {
+                switch (mpFunc->GetOpCode())
+                {
+                    case ocIf:
+                        if( mnCurArg == 0 )
+                        {
+                            // Excel needs at least two parameters in IF function
+                            pNewArr->AddOpCode( ocSep );
+                            pNewArr->AddOpCode( ocTrue );   // 2nd, true() as function
+                            pNewArr->AddOpCode( ocOpen );   // so the result is of logical type
+                            pNewArr->AddOpCode( ocClose );  // and survives roundtrip
+                        }
+                        break;
+
+                    case ocEuroConvert:
+                        if ( mnCurArg == 2 )
+                        {
+                            pNewArr->AddOpCode( ocSep );
+                            pNewArr->AddDouble( 0.0 );      // 4th, FullPrecision = false()
+                        }
+                        break;
+
+                    case ocPoissonDist:
+                        if (mnCurArg == 1)
+                        {
+                            pNewArr->AddOpCode( ocSep );
+                            pNewArr->AddDouble( 1.0 );      // 3rd, Cumulative=true()
+                        }
+                        break;
+
+                    case ocGammaDist:
+                    case ocFDist_LT:
+                    case ocNormDist:
+                        if (mnCurArg == 2)
+                        {
+                            pNewArr->AddOpCode( ocSep );
+                            pNewArr->AddDouble( 1.0 );      // 4th, Cumulative=true()
+                        }
+                        break;
+
+                    case ocLogInv:
+                    case ocLogNormDist:
+                        if ( mnCurArg == 0 )
+                        {
+                            pNewArr->AddOpCode( ocSep );
+                            pNewArr->AddDouble( 0.0 );      // 2nd, mean = 0.0
+                        }
+                        if ( mnCurArg <= 1 )
+                        {
+                            pNewArr->AddOpCode( ocSep );
+                            pNewArr->AddDouble( 1.0 );      // 3rd, standard deviation = 1.0
+                        }
+                        break;
+
+                    case ocHypGeomDist:
+                        if ( mnCurArg == 3 )
+                        {
+                            pNewArr->AddOpCode( ocSep );
+                            pNewArr->AddDouble( 0.0 );      // 5th, Cumulative = false()
+                        }
+                        break;
+
+                    case ocRound:
+                    case ocRoundUp:
+                    case ocRoundDown:
+                        if( mnCurArg == 0 )
+                        {
+                            // ROUND, ROUNDUP, ROUNDDOWN functions are fixed to 2 parameters in Excel
+                            pNewArr->AddOpCode( ocSep );
+                            pNewArr->AddDouble( 0.0 );      // 2nd, 0.0
+                        }
+                        break;
+
+                    default:
+                        break;
+                }
+            }
+            break;
+    }
+
+}
+
+inline bool FormulaMissingContext::AddDefaultArg( FormulaTokenArray* pNewArr, int nArg, double f ) const
+{
+    if (mnCurArg == nArg)
+    {
+        pNewArr->AddDouble( f );
+        return true;
+    }
+    return false;
+}
+
+bool FormulaMissingContext::AddMissingExternal( FormulaTokenArray *pNewArr ) const
+{
+    // Only called for PODF, not ODFF. No need to distinguish.
+
+    const OUString &rName = mpFunc->GetExternal();
+
+    // initial (fast) checks:
+    sal_Int32 nLength = rName.getLength();
+    if (!nLength)
+        return false;
+
+    sal_Unicode nLastChar = rName[ nLength - 1];
+    if ( nLastChar != 't' && nLastChar != 'm' )
+        return false;
+
+    if (rName.equalsIgnoreAsciiCase(
+                "com.sun.star.sheet.addin.Analysis.getAccrint" ))
+    {
+        return AddDefaultArg( pNewArr, 4, 1000.0 );
+    }
+    if (rName.equalsIgnoreAsciiCase(
+                "com.sun.star.sheet.addin.Analysis.getAccrintm" ))
+    {
+        return AddDefaultArg( pNewArr, 3, 1000.0 );
+    }
+    return false;
+}
+
+bool FormulaMissingContext::AddMissing( FormulaTokenArray *pNewArr, const MissingConvention & rConv  ) const
+{
+    if ( !mpFunc )
+        return false;
+
+    bool bRet = false;
+    const OpCode eOp = mpFunc->GetOpCode();
+
+    switch (rConv.getConvention())
+    {
+        case MissingConvention::FORMULA_MISSING_CONVENTION_ODFF:
+            {
+                // Add for ODFF
+                switch (eOp)
+                {
+                    case ocAddress:
+                        return AddDefaultArg( pNewArr, 2, 1.0 );    // abs
+                    default:
+                        break;
+                }
+            }
+            break;
+        case MissingConvention::FORMULA_MISSING_CONVENTION_PODF:
+            {
+                // Add for PODF
+                switch (eOp)
+                {
+                    case ocAddress:
+                        return AddDefaultArg( pNewArr, 2, 1.0 );    // abs
+                    case ocFixed:
+                        return AddDefaultArg( pNewArr, 1, 2.0 );
+                    case ocBetaDist:
+                    case ocBetaInv:
+                    case ocPMT:
+                        return AddDefaultArg( pNewArr, 3, 0.0 );
+                    case ocIpmt:
+                    case ocPpmt:
+                        return AddDefaultArg( pNewArr, 4, 0.0 );
+                    case ocPV:
+                    case ocFV:
+                        bRet |= AddDefaultArg( pNewArr, 2, 0.0 );   // pmt
+                        bRet |= AddDefaultArg( pNewArr, 3, 0.0 );   // [fp]v
+                        break;
+                    case ocRate:
+                        bRet |= AddDefaultArg( pNewArr, 1, 0.0 );   // pmt
+                        bRet |= AddDefaultArg( pNewArr, 3, 0.0 );   // fv
+                        bRet |= AddDefaultArg( pNewArr, 4, 0.0 );   // type
+                        break;
+                    case ocExternal:
+                        return AddMissingExternal( pNewArr );
+
+                        // --- more complex cases ---
+
+                    case ocOffset:
+                        // FIXME: rather tough
+                        // if arg 3 (height) omitted, export arg1 (rows)
+                        break;
+                    default:
+                        break;
+                }
+            }
+            break;
+        case MissingConvention::FORMULA_MISSING_CONVENTION_OOXML:
+            {
+                switch (eOp)
+                {
+                    case ocExternal:
+                        return AddMissingExternal( pNewArr );
+                    default:
+                        break;
+                }
+            }
+            break;
+    }
+
+    return bRet;
+}
+
+bool FormulaTokenArray::NeedsPodfRewrite( const MissingConventionODF & rConv )
+{
+    for ( auto i: Tokens()  )
+    {
+        if ( rConv.isRewriteNeeded( i->GetOpCode()))
+            return true;
+    }
+    return false;
+}
+
+bool FormulaTokenArray::NeedsOoxmlRewrite()
+{
+    for ( auto i: Tokens() )
+    {
+        if ( MissingConventionOOXML::isRewriteNeeded( i->GetOpCode()))
+            return true;
+    }
+    return false;
+}
+
+
+FormulaTokenArray * FormulaTokenArray::RewriteMissing( const MissingConvention & rConv )
+{
+    const size_t nAlloc = 256;
+    FormulaMissingContext aCtx[ nAlloc ];
+
+    /* TODO: with some effort we might be able to merge the two almost
+     * identical function stacks into one and generalize things, otherwise
+     * adding yet another "omit argument" would be copypasta. */
+
+    int aOpCodeAddressStack[ nAlloc ];  // use of ADDRESS() function
+    const int nOmitAddressArg = 3;      // ADDRESS() 4th parameter A1/R1C1
+
+    int aOpCodeDcountStack[ nAlloc ];   // use of DCOUNT()/DCOUNTA() function
+    const int nOmitDcountArg = 1;       // DCOUNT() and DCOUNTA() 2nd parameter DatabaseField if 0
+
+    sal_uInt16 nTokens = GetLen() + 1;
+    FormulaMissingContext* pCtx = (nAlloc < nTokens ? new FormulaMissingContext[nTokens] : &aCtx[0]);
+    int* pOcas = (nAlloc < nTokens ? new int[nTokens] : &aOpCodeAddressStack[0]);
+    int* pOcds = (nAlloc < nTokens ? new int[nTokens] : &aOpCodeDcountStack[0]);
+    // Never go below 0, never use 0, mpFunc always NULL.
+    pCtx[0].Clear();
+    int nFn = 0;
+    int nOcas = 0;
+    int nOcds = 0;
+
+    FormulaTokenArray *pNewArr = new FormulaTokenArray;
+    // At least ScRecalcMode::ALWAYS needs to be set.
+    pNewArr->AddRecalcMode( GetRecalcMode());
+
+    FormulaTokenArrayPlainIterator aIter(*this);
+    for ( FormulaToken *pCur = aIter.First(); pCur; pCur = aIter.Next() )
+    {
+        bool bAdd = true;
+        // Don't write the expression of the new inserted ADDRESS() parameter.
+        // Do NOT omit the new second parameter of INDIRECT() though. If that
+        // was done for both, INDIRECT() actually could calculate different and
+        // valid (but wrong) results with the then changed return value of
+        // ADDRESS(). Better let it generate an error instead.
+        for (int i = nOcas; i-- > 0 && bAdd; )
+        {
+            if (pCtx[ pOcas[ i ] ].mnCurArg == nOmitAddressArg)
+            {
+                // Omit everything except a trailing separator, the leading
+                // separator is omitted below. The other way around would leave
+                // an extraneous separator if no parameter followed.
+                if (pOcas[ i ] != nFn || pCur->GetOpCode() != ocSep)
+                    bAdd = false;
+            }
+        }
+        // Strip the 2nd argument (leaving empty) of DCOUNT() and DCOUNTA() if
+        // it is 0.
+        for (int i = nOcds; i-- > 0 && bAdd; )
+        {
+            if (pCtx[ pOcds[ i ] ].mnCurArg == nOmitDcountArg)
+            {
+                // Omit only a literal 0 value, nothing else.
+                if (pOcds[ i ] == nFn && pCur->GetOpCode() == ocPush && pCur->GetType() == svDouble &&
+                        pCur->GetDouble() == 0.0)
+                {
+                    // No other expression, between separators.
+                    FormulaToken* p = aIter.PeekPrevNoSpaces();
+                    if (p && p->GetOpCode() == ocSep)
+                    {
+                        p = aIter.PeekNextNoSpaces();
+                        if (p && p->GetOpCode() == ocSep)
+                            bAdd = false;
+                    }
+                }
+            }
+        }
+        switch ( pCur->GetOpCode() )
+        {
+            case ocOpen:
+                {
+                    ++nFn;      // all following operations on _that_ function
+                    pCtx[ nFn ].mpFunc = aIter.PeekPrevNoSpaces();
+                    pCtx[ nFn ].mnCurArg = 0;
+                    if (rConv.isPODF() && pCtx[ nFn ].mpFunc && pCtx[ nFn ].mpFunc->GetOpCode() == ocAddress)
+                        pOcas[ nOcas++ ] = nFn;     // entering ADDRESS() if PODF
+                    else if ((rConv.isODFF() || rConv.isOOXML()) && pCtx[ nFn ].mpFunc)
+                    {
+                        OpCode eOp = pCtx[ nFn ].mpFunc->GetOpCode();
+                        if (eOp == ocDBCount || eOp == ocDBCount2)
+                            pOcds[ nOcds++ ] = nFn;     // entering DCOUNT() or DCOUNTA() if ODFF or OOXML
+                    }
+                }
+            break;
+            case ocClose:
+                pCtx[ nFn ].AddMoreArgs( pNewArr, rConv );
+                SAL_WARN_IF(nFn <= 0, "formula.core", "FormulaTokenArray::RewriteMissing: underflow");
+                if (nOcas > 0 && pOcas[ nOcas-1 ] == nFn)
+                    --nOcas;                    // leaving ADDRESS()
+                else if (nOcds > 0 && pOcds[ nOcds-1 ] == nFn)
+                    --nOcds;                    // leaving DCOUNT() or DCOUNTA()
+                if (nFn > 0)
+                    --nFn;
+                break;
+            case ocSep:
+                pCtx[ nFn ].mnCurArg++;
+                // Omit leading separator of ADDRESS() parameter.
+                if (nOcas && pOcas[ nOcas-1 ] == nFn && pCtx[ nFn ].mnCurArg == nOmitAddressArg)
+                {
+                    bAdd = false;
+                }
+                break;
+            case ocMissing:
+                if ( bAdd )
+                    bAdd = !pCtx[ nFn ].AddMissing( pNewArr, rConv );
+                break;
+            default:
+                break;
+        }
+        if (bAdd)
+        {
+            OpCode eOp = pCur->GetOpCode();
+            if ( ( eOp == ocCeil || eOp == ocFloor ||
+                   ( eOp == ocLogNormDist && pCur->GetByte() == 4 ) ) &&
+                 rConv.getConvention() == MissingConvention::FORMULA_MISSING_CONVENTION_OOXML )
+            {
+                switch ( eOp )
+                {
+                    case ocCeil :
+                        eOp = ocCeil_Math;
+                        break;
+                    case ocFloor :
+                        eOp = ocFloor_Math;
+                        break;
+                    case ocLogNormDist :
+                        eOp = ocLogNormDist_MS;
+                        break;
+                    default :
+                        eOp = ocNone;
+                        break;
+                }
+                FormulaToken *pToken = new FormulaToken( svByte, eOp );
+                pNewArr->Add( pToken );
+            }
+            else if ( eOp == ocHypGeomDist &&
+                      rConv.getConvention() == MissingConvention::FORMULA_MISSING_CONVENTION_OOXML )
+            {
+                FormulaToken *pToken = new FormulaToken( svByte, ocHypGeomDist_MS );
+                pNewArr->Add( pToken );
+            }
+            else
+                pNewArr->AddToken( *pCur );
+        }
+    }
+
+    if (pOcds != &aOpCodeDcountStack[0])
+        delete [] pOcds;
+    if (pOcas != &aOpCodeAddressStack[0])
+        delete [] pOcas;
+    if (pCtx != &aCtx[0])
+        delete [] pCtx;
+
+    return pNewArr;
+}
+
+namespace {
+inline bool isWhitespace( OpCode eOp ) { return eOp == ocSpaces || eOp == ocWhitespace; }
+}
+
+bool FormulaTokenArray::MayReferenceFollow()
+{
+    if ( !pCode || nLen <= 0 )
+        return false;
+
+    // ignore trailing spaces
+    sal_uInt16 i = nLen - 1;
+    while (i > 0 && isWhitespace( pCode[i]->GetOpCode()))
+    {
+        --i;
+    }
+    if (i > 0 || !isWhitespace( pCode[i]->GetOpCode()))
+    {
+        OpCode eOp = pCode[i]->GetOpCode();
+        if ( (SC_OPCODE_START_BIN_OP <= eOp && eOp < SC_OPCODE_STOP_BIN_OP ) ||
+             (SC_OPCODE_START_UN_OP <= eOp && eOp < SC_OPCODE_STOP_UN_OP ) ||
+             eOp == SC_OPCODE_OPEN || eOp == SC_OPCODE_SEP )
+        {
+            return true;
+        }
+    }
+    return false;
+}
+FormulaToken* FormulaTokenArray::AddOpCode( OpCode eOp )
+{
+    FormulaToken* pRet = nullptr;
+    switch ( eOp )
+    {
+        case ocOpen:
+        case ocClose:
+        case ocSep:
+        case ocArrayOpen:
+        case ocArrayClose:
+        case ocArrayRowSep:
+        case ocArrayColSep:
+            pRet = new FormulaToken( svSep,eOp );
+            break;
+        case ocIf:
+        case ocIfError:
+        case ocIfNA:
+        case ocChoose:
+            {
+                short nJump[FORMULA_MAXJUMPCOUNT + 1];
+                if ( eOp == ocIf )
+                    nJump[ 0 ] = 3;
+                else if ( eOp == ocChoose )
+                    nJump[ 0 ] = FORMULA_MAXJUMPCOUNT + 1;
+                else
+                    nJump[ 0 ] = 2;
+                pRet = new FormulaJumpToken( eOp, nJump );
+            }
+            break;
+        default:
+            pRet = new FormulaByteToken( eOp, 0, ParamClass::Unknown );
+            break;
+    }
+    return Add( pRet );
+}
+
+void FormulaTokenArray::ReinternStrings( svl::SharedStringPool& rPool )
+{
+    for (auto i: Tokens())
+    {
+        switch (i->GetType())
+        {
+            case svString:
+                i->SetString( rPool.intern( i->GetString().getString()));
+                break;
+            default:
+                ;   // nothing
+        }
+    }
+}
+
+
+/*----------------------------------------------------------------------*/
+
+FormulaTokenIterator::Item::Item(const FormulaTokenArray* pArray, short pc, short stop) :
+    pArr(pArray), nPC(pc), nStop(stop)
+{
+}
+
+FormulaTokenIterator::FormulaTokenIterator( const FormulaTokenArray& rArr )
+{
+    Push( &rArr );
+}
+
+FormulaTokenIterator::~FormulaTokenIterator()
+{
+}
+
+void FormulaTokenIterator::Push( const FormulaTokenArray* pArr )
+{
+    FormulaTokenIterator::Item item(pArr, -1, SHRT_MAX);
+
+    maStack.push_back(item);
+}
+
+void FormulaTokenIterator::Pop()
+{
+    maStack.pop_back();
+}
+
+void FormulaTokenIterator::Reset()
+{
+    while( maStack.size() > 1 )
+        maStack.pop_back();
+
+    maStack.back().nPC = -1;
+}
+
+FormulaToken* FormulaTokenArrayPlainIterator::GetNextName()
+{
+    if( mpFTA->GetArray() )
+    {
+        while ( mnIndex < mpFTA->GetLen() )
+        {
+            FormulaToken* t = mpFTA->GetArray()[ mnIndex++ ];
+            if( t->GetType() == svIndex )
+                return t;
+        }
+    }
+    return nullptr;
+}
+
+const FormulaToken* FormulaTokenIterator::Next()
+{
+    const FormulaToken* t = GetNonEndOfPathToken( ++maStack.back().nPC );
+    if( !t && maStack.size() > 1 )
+    {
+        Pop();
+        t = Next();
+    }
+    return t;
+}
+
+const FormulaToken* FormulaTokenIterator::PeekNextOperator()
+{
+    const FormulaToken* t = nullptr;
+    short nIdx = maStack.back().nPC;
+    for (;;)
+    {
+        t = GetNonEndOfPathToken( ++nIdx);
+        if (t == nullptr || t->GetOpCode() != ocPush)
+            break;   // ignore operands
+    }
+    if (!t && maStack.size() > 1)
+    {
+        FormulaTokenIterator::Item aHere = maStack.back();
+        maStack.pop_back();
+        t = PeekNextOperator();
+        maStack.push_back(aHere);
+    }
+    return t;
+}
+
+//! The nPC counts after a Push() are -1
+
+void FormulaTokenIterator::Jump( short nStart, short nNext, short nStop )
+{
+    maStack.back().nPC = nNext;
+    if( nStart != nNext )
+    {
+        Push( maStack.back().pArr );
+        maStack.back().nPC = nStart;
+        maStack.back().nStop = nStop;
+    }
+}
+
+void FormulaTokenIterator::ReInit( const FormulaTokenArray& rArr )
+{
+    maStack.clear();
+    Push( &rArr );
+}
+
+const FormulaToken* FormulaTokenIterator::GetNonEndOfPathToken( short nIdx ) const
+{
+    FormulaTokenIterator::Item cur = maStack.back();
+
+    if (nIdx < cur.pArr->GetCodeLen() && nIdx < cur.nStop)
+    {
+        const FormulaToken* t = cur.pArr->GetCode()[ nIdx ];
+        // such an OpCode ends an IF() or CHOOSE() path
+        return (t->GetOpCode() == ocSep || t->GetOpCode() == ocClose) ? nullptr : t;
+    }
+    return nullptr;
+}
+
+bool FormulaTokenIterator::IsEndOfPath() const
+{
+    return GetNonEndOfPathToken( maStack.back().nPC + 1) == nullptr;
+}
+
+FormulaToken* FormulaTokenArrayPlainIterator::GetNextReference()
+{
+    while( mnIndex < mpFTA->GetLen() )
+    {
+        FormulaToken* t = mpFTA->GetArray()[ mnIndex++ ];
+        switch( t->GetType() )
+        {
+            case svSingleRef:
+            case svDoubleRef:
+            case svExternalSingleRef:
+            case svExternalDoubleRef:
+                return t;
+            default:
+            {
+                // added to avoid warnings
+            }
+        }
+    }
+    return nullptr;
+}
+
+FormulaToken* FormulaTokenArrayPlainIterator::GetNextColRowName()
+{
+    while( mnIndex < mpFTA->GetLen() )
+    {
+        FormulaToken* t = mpFTA->GetArray()[ mnIndex++ ];
+        if ( t->GetOpCode() == ocColRowName )
+            return t;
+    }
+    return nullptr;
+}
+
+FormulaToken* FormulaTokenArrayPlainIterator::GetNextReferenceRPN()
+{
+    while( mnIndex < mpFTA->GetCodeLen() )
+    {
+        FormulaToken* t = mpFTA->GetCode()[ mnIndex++ ];
+        switch( t->GetType() )
+        {
+            case svSingleRef:
+            case svDoubleRef:
+            case svExternalSingleRef:
+            case svExternalDoubleRef:
+                return t;
+            default:
+            {
+                // added to avoid warnings
+            }
+        }
+    }
+    return nullptr;
+}
+
+FormulaToken* FormulaTokenArrayPlainIterator::GetNextReferenceOrName()
+{
+    if( !mpFTA->GetArray() )
+        return nullptr;
+
+    while ( mnIndex < mpFTA->GetLen() )
+    {
+        FormulaToken* t = mpFTA->GetArray()[ mnIndex++ ];
+        switch( t->GetType() )
+        {
+            case svSingleRef:
+            case svDoubleRef:
+            case svIndex:
+            case svExternalSingleRef:
+            case svExternalDoubleRef:
+            case svExternalName:
+                return t;
+            default:
+            {
+                // added to avoid warnings
+            }
+         }
+    }
+    return nullptr;
+}
+
+FormulaToken* FormulaTokenArrayPlainIterator::Next()
+{
+    if( mpFTA->GetArray() && mnIndex < mpFTA->GetLen() )
+        return mpFTA->GetArray()[ mnIndex++ ];
+    else
+        return nullptr;
+}
+
+FormulaToken* FormulaTokenArrayPlainIterator::NextNoSpaces()
+{
+    if( mpFTA->GetArray() )
+    {
+        while ((mnIndex < mpFTA->GetLen()) && isWhitespace( mpFTA->GetArray()[ mnIndex ]->GetOpCode()))
+            ++mnIndex;
+        if( mnIndex < mpFTA->GetLen() )
+            return mpFTA->GetArray()[ mnIndex++ ];
+    }
+    return nullptr;
+}
+
+FormulaToken* FormulaTokenArrayPlainIterator::NextRPN()
+{
+    if( mpFTA->GetCode() && mnIndex < mpFTA->GetCodeLen() )
+        return mpFTA->GetCode()[ mnIndex++ ];
+    else
+        return nullptr;
+}
+
+FormulaToken* FormulaTokenArrayPlainIterator::PrevRPN()
+{
+    if( mpFTA->GetCode() && mnIndex )
+        return mpFTA->GetCode()[ --mnIndex ];
+    else
+        return nullptr;
+}
+
+FormulaToken* FormulaTokenArrayPlainIterator::PeekNext()
+{
+    if( mpFTA->GetArray() && mnIndex < mpFTA->GetLen() )
+        return mpFTA->GetArray()[ mnIndex ];
+    else
+        return nullptr;
+}
+
+FormulaToken* FormulaTokenArrayPlainIterator::PeekNextNoSpaces() const
+{
+    if( mpFTA->GetArray() && mnIndex < mpFTA->GetLen() )
+    {
+        sal_uInt16 j = mnIndex;
+        while (j < mpFTA->GetLen() && isWhitespace( mpFTA->GetArray()[j]->GetOpCode()))
+            j++;
+        if ( j < mpFTA->GetLen() )
+            return mpFTA->GetArray()[ j ];
+        else
+            return nullptr;
+    }
+    else
+        return nullptr;
+}
+
+FormulaToken* FormulaTokenArrayPlainIterator::PeekPrevNoSpaces() const
+{
+    if( mpFTA->GetArray() && mnIndex > 1 )
+    {
+        sal_uInt16 j = mnIndex - 2;
+        while (isWhitespace( mpFTA->GetArray()[j]->GetOpCode()) && j > 0 )
+            j--;
+        if (j > 0 || !isWhitespace( mpFTA->GetArray()[j]->GetOpCode()))
+            return mpFTA->GetArray()[ j ];
+        else
+            return nullptr;
+    }
+    else
+        return nullptr;
+}
+
+void FormulaTokenArrayPlainIterator::AfterRemoveToken( sal_uInt16 nOffset, sal_uInt16 nCount )
+{
+    const sal_uInt16 nStop = std::min( static_cast<sal_uInt16>(nOffset + nCount), mpFTA->GetLen());
+
+    if (mnIndex >= nOffset)
+    {
+        if (mnIndex < nStop)
+            mnIndex = nOffset + 1;
+        else
+            mnIndex -= nStop - nOffset;
+    }
+}
+
+// real implementations of virtual functions
+
+
+double      FormulaDoubleToken::GetDouble() const            { return fDouble; }
+double &    FormulaDoubleToken::GetDoubleAsReference()       { return fDouble; }
+
+sal_Int16 FormulaDoubleToken::GetDoubleType() const
+{
+    // This is a plain double value without type information, don't emit a
+    // warning via FormulaToken::GetDoubleType().
+    return 0;
+}
+
+bool FormulaDoubleToken::operator==( const FormulaToken& r ) const
+{
+    return FormulaToken::operator==( r ) && fDouble == r.GetDouble();
+}
+
+sal_Int16 FormulaTypedDoubleToken::GetDoubleType() const
+{
+    return mnType;
+}
+
+void FormulaTypedDoubleToken::SetDoubleType( sal_Int16 nType )
+{
+    mnType = nType;
+}
+
+bool FormulaTypedDoubleToken::operator==( const FormulaToken& r ) const
+{
+    return FormulaDoubleToken::operator==( r ) && mnType == r.GetDoubleType();
+}
+
+FormulaStringToken::FormulaStringToken( const svl::SharedString& r ) :
+    FormulaToken( svString ), maString( r )
+{
+}
+
+FormulaStringToken::FormulaStringToken( const FormulaStringToken& r ) :
+    FormulaToken( r ), maString( r.maString ) {}
+
+FormulaToken* FormulaStringToken::Clone() const
+{
+    return new FormulaStringToken(*this);
+}
+
+const svl::SharedString & FormulaStringToken::GetString() const
+{
+    return maString;
+}
+
+void FormulaStringToken::SetString( const svl::SharedString& rStr )
+{
+    maString = rStr;
+}
+
+bool FormulaStringToken::operator==( const FormulaToken& r ) const
+{
+    return FormulaToken::operator==( r ) && maString == r.GetString();
+}
+
+FormulaStringOpToken::FormulaStringOpToken( OpCode e, const svl::SharedString& r ) :
+    FormulaByteToken( e, 0, svString, ParamClass::Unknown ), maString( r ) {}
+
+FormulaStringOpToken::FormulaStringOpToken( const FormulaStringOpToken& r ) :
+    FormulaByteToken( r ), maString( r.maString ) {}
+
+FormulaToken* FormulaStringOpToken::Clone() const
+{
+    return new FormulaStringOpToken(*this);
+}
+
+const svl::SharedString & FormulaStringOpToken::GetString() const
+{
+    return maString;
+}
+
+void FormulaStringOpToken::SetString( const svl::SharedString& rStr )
+{
+    maString = rStr;
+}
+
+bool FormulaStringOpToken::operator==( const FormulaToken& r ) const
+{
+    return FormulaByteToken::operator==( r ) && maString == r.GetString();
+}
+
+sal_uInt16  FormulaIndexToken::GetIndex() const             { return nIndex; }
+void        FormulaIndexToken::SetIndex( sal_uInt16 n )     { nIndex = n; }
+sal_Int16   FormulaIndexToken::GetSheet() const             { return mnSheet; }
+void        FormulaIndexToken::SetSheet( sal_Int16 n )      { mnSheet = n; }
+bool FormulaIndexToken::operator==( const FormulaToken& r ) const
+{
+    return FormulaToken::operator==( r ) && nIndex == r.GetIndex() &&
+        mnSheet == r.GetSheet();
+}
+const OUString& FormulaExternalToken::GetExternal() const       { return aExternal; }
+bool FormulaExternalToken::operator==( const FormulaToken& r ) const
+{
+    return FormulaByteToken::operator==( r ) && aExternal == r.GetExternal();
+}
+
+
+FormulaError      FormulaErrorToken::GetError() const             { return nError; }
+void            FormulaErrorToken::SetError( FormulaError nErr )  { nError = nErr; }
+bool FormulaErrorToken::operator==( const FormulaToken& r ) const
+{
+    return FormulaToken::operator==( r ) &&
+        nError == static_cast< const FormulaErrorToken & >(r).GetError();
+}
+double          FormulaMissingToken::GetDouble() const       { return 0.0; }
+
+const svl::SharedString & FormulaMissingToken::GetString() const
+{
+    return svl::SharedString::getEmptyString();
+}
+
+bool FormulaMissingToken::operator==( const FormulaToken& r ) const
+{
+    return FormulaToken::operator==( r );
+}
+
+
+bool FormulaUnknownToken::operator==( const FormulaToken& r ) const
+{
+    return FormulaToken::operator==( r );
+}
+
+
+} // formula
+
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/formula/source/core/api/vectortoken.cxx b/formula/source/core/api/vectortoken.cxx
new file mode 100644
index 000000000..c1bd52157
--- /dev/null
+++ b/formula/source/core/api/vectortoken.cxx
@@ -0,0 +1,109 @@
+/* -*- 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/.
+ */
+
+#include <formula/vectortoken.hxx>
+#include <sal/log.hxx>
+
+namespace formula {
+
+VectorRefArray::VectorRefArray() :
+    mpNumericArray(nullptr),
+    mpStringArray(nullptr),
+    mbValid(true) {}
+
+VectorRefArray::VectorRefArray( InitInvalid ) :
+    mpNumericArray(nullptr),
+    mpStringArray(nullptr),
+    mbValid(false) {}
+
+VectorRefArray::VectorRefArray( const double* pArray ) :
+    mpNumericArray(pArray),
+    mpStringArray(nullptr),
+    mbValid(true) {}
+
+VectorRefArray::VectorRefArray( rtl_uString** pArray ) :
+    mpNumericArray(nullptr),
+    mpStringArray(pArray),
+    mbValid(true) {}
+
+VectorRefArray::VectorRefArray( const double* pNumArray, rtl_uString** pStrArray ) :
+    mpNumericArray(pNumArray),
+    mpStringArray(pStrArray),
+    mbValid(true) {}
+
+bool VectorRefArray::isValid() const
+{
+    return mbValid;
+}
+
+SingleVectorRefToken::SingleVectorRefToken( const VectorRefArray& rArray, size_t nArrayLength ) :
+    FormulaToken(svSingleVectorRef, ocPush), maArray(rArray), mnArrayLength(nArrayLength)
+{
+    SAL_INFO("formula.core", "Created SingleVectorRefToken nArrayLength=" << nArrayLength);
+}
+
+FormulaToken* SingleVectorRefToken::Clone() const
+{
+    return new SingleVectorRefToken(maArray, mnArrayLength);
+}
+
+const VectorRefArray& SingleVectorRefToken::GetArray() const
+{
+    return maArray;
+}
+
+size_t SingleVectorRefToken::GetArrayLength() const
+{
+    return mnArrayLength;
+}
+
+DoubleVectorRefToken::DoubleVectorRefToken(
+    std::vector<VectorRefArray>&& rArrays, size_t nArrayLength,
+    size_t nRefRowSize, bool bStartFixed, bool bEndFixed ) :
+    FormulaToken(svDoubleVectorRef, ocPush),
+    maArrays(std::move(rArrays)), mnArrayLength(nArrayLength),
+    mnRefRowSize(nRefRowSize), mbStartFixed(bStartFixed), mbEndFixed(bEndFixed)
+{
+    SAL_INFO("formula.core", "Created DoubleVectorRefToken nArrayLength=" << nArrayLength);
+}
+
+FormulaToken* DoubleVectorRefToken::Clone() const
+{
+    return new DoubleVectorRefToken(
+        std::vector(maArrays), mnArrayLength, mnRefRowSize, mbStartFixed, mbEndFixed);
+}
+
+const std::vector<VectorRefArray>& DoubleVectorRefToken::GetArrays() const
+{
+    return maArrays;
+}
+
+size_t DoubleVectorRefToken::GetArrayLength() const
+{
+    return mnArrayLength;
+}
+
+size_t DoubleVectorRefToken::GetRefRowSize() const
+{
+    return mnRefRowSize;
+}
+
+bool DoubleVectorRefToken::IsStartFixed() const
+{
+    return mbStartFixed;
+}
+
+bool DoubleVectorRefToken::IsEndFixed() const
+{
+    return mbEndFixed;
+}
+
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/formula/source/core/resource/core_resource.cxx b/formula/source/core/resource/core_resource.cxx
new file mode 100644
index 000000000..d18432357
--- /dev/null
+++ b/formula/source/core/resource/core_resource.cxx
@@ -0,0 +1,23 @@
+/*
+ * 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 .
+ */
+
+#include <core_resource.hxx>
+
+OUString ForResId(TranslateId aId) { return Translate::get(aId, Translate::Create("for")); }
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */