Introduce IFormulaEditorHelper::createCompiler()

For application specific derivatives.

Change-Id: I8af95bd120c642e47ec5d0708ed463c98c471567

include/formula/IFunctionDescription.hxx

@@ -134,8 +134,17 @@ namespace formula
         virtual FormEditData* getFormEditData() const = 0;
         virtual bool calculateValue(const OUString& _sExpression, OUString& _rResult, bool bMatrixFormula) = 0;
 
+        /** Obtain a resident FormulaCompiler instance, created without
+            FormulaTokenArray and reused but being application specific derived.
+         */
         virtual std::shared_ptr<FormulaCompiler> getCompiler() const = 0;
 
+        /** Create an application specific FormulaCompiler instance with
+            FormulaTokenArray. The FormulaTokenArray had to be created using
+            convertToTokenArray().
+         */
+        virtual std::unique_ptr<FormulaCompiler> createCompiler( FormulaTokenArray& rArray ) const = 0;
+
         virtual void switchBack() = 0;
 
         virtual void clear() = 0;

reportdesign/source/ui/dlg/Formula.cxx

@@ -25,6 +25,7 @@
 #include <formula/formdata.hxx>
 #include <formula/funcutl.hxx>
 #include <formula/tokenarray.hxx>
+#include <formula/FormulaCompiler.hxx>
 #include <com/sun/star/lang/XMultiServiceFactory.hpp>
 
 #include <memory>
@@ -118,6 +119,11 @@ std::shared_ptr<formula::FormulaCompiler> FormulaDialog::getCompiler() const
     return nullptr;
 }
 
+std::unique_ptr<formula::FormulaCompiler> FormulaDialog::createCompiler( formula::FormulaTokenArray& rArray ) const
+{
+    return std::unique_ptr<formula::FormulaCompiler>(new FormulaCompiler(rArray));
+}
+
 void FormulaDialog::doClose(bool _bOk)
 {
     EndDialog(_bOk ? RET_OK : RET_CANCEL);

reportdesign/source/ui/inc/Formula.hxx

@@ -75,6 +75,7 @@ public:
     virtual void fill() override;
     virtual bool calculateValue(const OUString& _sExpression, OUString& _rResult, bool bMatrixFormula) override;
     virtual std::shared_ptr<formula::FormulaCompiler> getCompiler() const override;
+    virtual std::unique_ptr<formula::FormulaCompiler> createCompiler( formula::FormulaTokenArray& rArray ) const override;
     virtual void doClose(bool _bOk) override;
     virtual void insertEntryToLRUList(const formula::IFunctionDescription*  pDesc) override;
     virtual void showReference(const OUString& _sFormula) override;

sc/source/ui/formdlg/formula.cxx

@@ -380,6 +380,16 @@ std::shared_ptr<formula::FormulaCompiler> ScFormulaDlg::getCompiler() const
     return m_xCompiler;
 }
 
+std::unique_ptr<formula::FormulaCompiler> ScFormulaDlg::createCompiler( formula::FormulaTokenArray& rArray ) const
+{
+    ScCompiler* pCompiler = nullptr;
+    ScTokenArray* pArr = dynamic_cast<ScTokenArray*>(&rArray);
+    assert(pArr);   // violation of contract and not created using convertToTokenArray()?
+    if (pArr)
+        pCompiler = new ScCompiler( m_pDoc, m_CursorPos, *pArr, m_pDoc->GetGrammar());
+    return std::unique_ptr<formula::FormulaCompiler>(pCompiler);
+}
+
 //  virtual methods of ScAnyRefDlg:
 void ScFormulaDlg::RefInputStart( formula::RefEdit* pEdit, formula::RefButton* pButton )
 {

sc/source/ui/inc/formula.hxx

@@ -62,6 +62,7 @@ public:
     virtual void fill() override;
     virtual bool calculateValue(const OUString& _sExpression, OUString& _rResult, bool bMatrixFormula) override;
     virtual std::shared_ptr<formula::FormulaCompiler> getCompiler() const override;
+    virtual std::unique_ptr<formula::FormulaCompiler> createCompiler( formula::FormulaTokenArray& rArray ) const override;
     virtual void doClose(bool _bOk) override;
     virtual void insertEntryToLRUList(const formula::IFunctionDescription*  pDesc) override;
     virtual void showReference(const OUString& _sFormula) override;