initial commit for vba blob ( not including container_control stuff )

1 files changed, 51 insertions, 48 deletions

diff --git a/basic/source/runtime/step0.cxx b/basic/source/runtime/step0.cxx
index 06a8bb19af00..e184d8928f3f 100644
--- a/basic/source/runtime/step0.cxx
+++ b/basic/source/runtime/step0.cxx
@@ -48,6 +48,11 @@ Reference< XInterface > createComListener( const Any& aControlAny, const ::rtl::
 
 #include <algorithm>
 
+// for a patch forward declaring these methods below makes sense
+// but, #FIXME lets really just move the methods to the top
+void lcl_clearImpl( SbxVariableRef& refVar, SbxDataType& eType );
+void lcl_eraseImpl( SbxVariableRef& refVar, bool bVBAEnabled );
+
 SbxVariable* getDefaultProp( SbxVariable* pRef );
 
 void SbiRuntime::StepNOP()
@@ -59,34 +64,6 @@ void SbiRuntime::StepArith( SbxOperator eOp )
     TOSMakeTemp();
     SbxVariable* p2 = GetTOS();
 
-
-    // This could & should be moved to the MakeTempTOS() method in runtime.cxx
-    // In the code which this is cut'npaste from there is a check for a ref
-    // count != 1 based on which the copy of the SbxVariable is done.
-    // see orig code in MakeTempTOS ( and I'm not sure what the significance,
-    // of that is )
-    // here we alway seem to have a refcount of 1. Also it seems that
-    // MakeTempTOS is called for other operation, so I hold off for now
-    // until I have a better idea
-    if ( bVBAEnabled
-        && ( p2->GetType() == SbxOBJECT || p2->GetType() == SbxVARIANT )
-    )
-    {
-        SbxVariable* pDflt = getDefaultProp( p2 );
-        if ( pDflt )
-        {
-            pDflt->Broadcast( SBX_HINT_DATAWANTED );
-            // replacing new p2 on stack causes object pointed by
-            // pDft->pParent to be deleted, when p2->Compute() is
-            // called below pParent is accessed ( but its deleted )
-            // so set it to NULL now
-            pDflt->SetParent( NULL );
-            p2 = new SbxVariable( *pDflt );
-            p2->SetFlag( SBX_READWRITE );
-            refExprStk->Put( p2, nExprLvl - 1 );
-        }
-    }
-
     p2->ResetFlag( SBX_FIXED );
     p2->Compute( eOp, *p1 );
 
@@ -109,19 +86,24 @@ void SbiRuntime::StepCompare( SbxOperator eOp )
     // values ( and type ) set as appropriate
     SbxDataType p1Type = p1->GetType();
     SbxDataType p2Type = p2->GetType();
+    if ( p1Type == SbxEMPTY )
+    {
+        p1->Broadcast( SBX_HINT_DATAWANTED );
+        p1Type = p1->GetType();
+    }
+    if ( p2Type == SbxEMPTY )
+    {
+        p2->Broadcast( SBX_HINT_DATAWANTED );
+        p2Type = p2->GetType();
+    }
     if ( p1Type == p2Type )
     {
-        if ( p1Type == SbxEMPTY )
-        {
-            p1->Broadcast( SBX_HINT_DATAWANTED );
-            p2->Broadcast( SBX_HINT_DATAWANTED );
-        }
         // if both sides are an object and have default props
         // then we need to use the default props
         // we don't need to worry if only one side ( lhs, rhs ) is an
         // object ( object side will get coerced to correct type in
         // Compare )
-        else if ( p1Type ==  SbxOBJECT )
+        if ( p1Type ==  SbxOBJECT )
         {
             SbxVariable* pDflt = getDefaultProp( p1 );
             if ( pDflt )
@@ -141,8 +123,21 @@ void SbiRuntime::StepCompare( SbxOperator eOp )
 #ifndef WIN
     static SbxVariable* pTRUE = NULL;
     static SbxVariable* pFALSE = NULL;
-
-    if( p2->Compare( eOp, *p1 ) )
+    static SbxVariable* pNULL = NULL;
+    // why do this on non-windows ?
+    // why do this at all ?
+    // I dumbly follow the pattern :-/
+    if ( bVBAEnabled && ( p1->IsNull() || p2->IsNull() ) )
+    {
+        if( !pNULL )
+        {
+            pNULL = new SbxVariable;
+            pNULL->PutNull();
+            pNULL->AddRef();
+        }
+        PushVar( pNULL );
+    }
+    else if( p2->Compare( eOp, *p1 ) )
     {
         if( !pTRUE )
         {
@@ -163,9 +158,14 @@ void SbiRuntime::StepCompare( SbxOperator eOp )
         PushVar( pFALSE );
     }
 #else
-    BOOL bRes = p2->Compare( eOp, *p1 );
     SbxVariable* pRes = new SbxVariable;
-    pRes->PutBool( bRes );
+    if ( bVBAEnabled && ( p1->IsNull() || p2->IsNull() ) )
+        pRes->PutNull();
+    else
+    {
+        BOOL bRes = p2->Compare( eOp, *p1 );
+        pRes->PutBool( bRes );
+    }
     PushVar( pRes );
 #endif
 }
@@ -679,6 +679,17 @@ void SbiRuntime::StepDIM()
 // #56204 DIM-Funktionalitaet in Hilfsmethode auslagern (step0.cxx)
 void SbiRuntime::DimImpl( SbxVariableRef refVar )
 {
+    // If refDim then this DIM statement is terminating a ReDIM and
+    // previous StepERASE_CLEAR for an array, the following actions have
+    // been delayed from ( StepERASE_CLEAR ) 'till here
+    if ( refRedim )
+    {
+        if ( !refRedimpArray ) // only erase the array not ReDim Preserve
+            lcl_eraseImpl( refVar, bVBAEnabled );
+        SbxDataType eType = refVar->GetType();
+        lcl_clearImpl( refVar, eType );
+        refRedim = NULL;
+    }
     SbxArray* pDims = refVar->GetParameters();
     // Muss eine gerade Anzahl Argumente haben
     // Man denke daran, dass Arg[0] nicht zaehlt!
@@ -844,6 +855,7 @@ void SbiRuntime::StepREDIMP()
 void SbiRuntime::StepREDIMP_ERASE()
 {
     SbxVariableRef refVar = PopVar();
+    refRedim = refVar;
     SbxDataType eType = refVar->GetType();
     if( eType & SbxARRAY )
     {
@@ -854,12 +866,6 @@ void SbiRuntime::StepREDIMP_ERASE()
             refRedimpArray = pDimArray;
         }
 
-        // As in ERASE
-        USHORT nSavFlags = refVar->GetFlags();
-        refVar->ResetFlag( SBX_FIXED );
-        refVar->SetType( SbxDataType(eType & 0x0FFF) );
-        refVar->SetFlags( nSavFlags );
-        refVar->Clear();
     }
     else
     if( refVar->IsFixed() )
@@ -932,10 +938,7 @@ void SbiRuntime::StepERASE()
 
 void SbiRuntime::StepERASE_CLEAR()
 {
-    SbxVariableRef refVar = PopVar();
-    lcl_eraseImpl( refVar, bVBAEnabled );
-    SbxDataType eType = refVar->GetType();
-    lcl_clearImpl( refVar, eType );
+    refRedim = PopVar();
 }
 
 void SbiRuntime::StepARRAYACCESS()