fdo#84872 give each SheetDataContext a new FormulaParser

Change-Id: I120a9d0943db38571892defe1b5d3169158e3e42

sc/source/filter/inc/sheetdatacontext.hxx

@@ -36,7 +36,7 @@ namespace xls {
 struct SheetDataContextBase
 {
     AddressConverter&   mrAddressConv;      /// The address converter.
-    FormulaParser&      mrFormulaParser;    /// The formula parser.
+    std::unique_ptr<FormulaParser> mxFormulaParser;    /// The formula parser, different one for each SheetDataContext
     SheetDataBuffer&    mrSheetData;        /// The sheet data buffer for cell content and formatting.
     CellModel           maCellData;         /// Position, contents, formatting of current imported cell.
     CellFormulaModel    maFmlaData;         /// Settings for a cell formula.

sc/source/filter/inc/workbookhelper.hxx

@@ -244,8 +244,10 @@ public:
 
     // converters -------------------------------------------------------------
 
-    /** Returns the import formula parser (import filter only!). */
+    /** Returns a shared import formula parser (import filter only!). */
     FormulaParser&      getFormulaParser() const;
+    /** Returns an unshared import formula parser (import filter only!). */
+    FormulaParser*      createFormulaParser() const;
     /** Returns the measurement unit converter. */
     UnitConverter&      getUnitConverter() const;
     /** Returns the converter for string to cell address/range conversion. */

sc/source/filter/oox/sheetdatacontext.cxx

@@ -64,10 +64,10 @@ const sal_uInt8 BIFF12_ROW_SHOWPHONETIC     = 0x01;
 
 SheetDataContextBase::SheetDataContextBase( const WorksheetHelper& rHelper ) :
     mrAddressConv( rHelper.getAddressConverter() ),
-    mrFormulaParser( rHelper.getFormulaParser() ),
     mrSheetData( rHelper.getSheetData() ),
     mnSheet( rHelper.getSheetIndex() )
 {
+    mxFormulaParser.reset(rHelper.createFormulaParser());
 }
 
 SheetDataContextBase::~SheetDataContextBase()
@@ -426,7 +426,7 @@ bool SheetDataContext::readCellHeader( SequenceInputStream& rStrm, CellType eCel
 ApiTokenSequence SheetDataContext::readCellFormula( SequenceInputStream& rStrm )
 {
     rStrm.skip( 2 );
-    return mrFormulaParser.importFormula( maCellData.maCellAddr, FORMULATYPE_CELL, rStrm );
+    return mxFormulaParser->importFormula( maCellData.maCellAddr, FORMULATYPE_CELL, rStrm );
 }
 
 bool SheetDataContext::readFormulaRef( SequenceInputStream& rStrm )
@@ -536,7 +536,7 @@ void SheetDataContext::importArray( SequenceInputStream& rStrm )
     if( readFormulaRef( rStrm ) && maFmlaData.isValidArrayRef( maCellData.maCellAddr ) )
     {
         rStrm.skip( 1 );
-        ApiTokenSequence aTokens = mrFormulaParser.importFormula( maCellData.maCellAddr, FORMULATYPE_ARRAY, rStrm );
+        ApiTokenSequence aTokens = mxFormulaParser->importFormula( maCellData.maCellAddr, FORMULATYPE_ARRAY, rStrm );
         mrSheetData.createArrayFormula( maFmlaData.maFormulaRef, aTokens );
     }
 }

sc/source/filter/oox/workbookhelper.cxx

@@ -202,8 +202,10 @@ public:
 
     // converters -------------------------------------------------------------
 
-    /** Returns the import formula parser. */
+    /** Returns a shared import formula parser. */
     inline FormulaParser& getFormulaParser() const { return *mxFmlaParser; }
+    /** Returns an unshared import formula parser. */
+    inline FormulaParser* createFormulaParser() { return new FormulaParser(*this); }
     /** Returns the measurement unit converter. */
     inline UnitConverter& getUnitConverter() const { return *mxUnitConverter; }
     /** Returns the converter for string to cell address/range conversion. */
@@ -590,7 +592,7 @@ void WorkbookGlobals::initialize( bool bWorkbookFile )
         mpDoc->EnableExecuteLink(false);
 
         mxProgressBar.reset( new SegmentProgressBar( mrBaseFilter.getStatusIndicator(), ScGlobal::GetRscString(STR_LOAD_DOC) ) );
-        mxFmlaParser.reset( new FormulaParser( *this ) );
+        mxFmlaParser.reset( createFormulaParser() );
 
         //prevent unnecessary broadcasts and "half way listeners" as
         //is done in ScDocShell::BeforeXMLLoading() for ods
@@ -958,6 +960,11 @@ FormulaParser& WorkbookHelper::getFormulaParser() const
     return mrBookGlob.getFormulaParser();
 }
 
+FormulaParser* WorkbookHelper::createFormulaParser() const
+{
+    return mrBookGlob.createFormulaParser();
+}
+
 UnitConverter& WorkbookHelper::getUnitConverter() const
 {
     return mrBookGlob.getUnitConverter();