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0029973: Modeling Algorithms - access violation within BRepAlgoAPI_Cut on empty input shape

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Boolean Operations algorithm has been improved to handle the cases with empty shapes arguments correctly.
Test cases for the issue.
This commit is contained in:
emv
2018-07-20 15:16:50 +03:00
committed by bugmaster
parent d3578357e3
commit 3dc5809557
6 changed files with 152 additions and 9 deletions
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9
src/BRepTools/BRepTools_History.cxx
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@@ -209,7 +209,8 @@ Standard_Boolean BRepTools_History::IsRemoved(
//==============================================================================
void BRepTools_History::Merge(const Handle(BRepTools_History)& theHistory23)
{
Merge(*theHistory23.get());
if (!theHistory23.IsNull())
Merge(*theHistory23.get());
}
//==============================================================================
//function : Merge
@@ -217,6 +218,12 @@ void BRepTools_History::Merge(const Handle(BRepTools_History)& theHistory23)
//==============================================================================
void BRepTools_History::Merge(const BRepTools_History& theHistory23)
{
if (!(theHistory23.HasModified() ||
theHistory23.HasGenerated() ||
theHistory23.HasRemoved()))
// nothing to merge
return;
// Propagate R23 directly and M23 and G23 fully to M12 and G12.
// Remember the propagated shapes.
TopTools_DataMapOfShapeListOfShape* aS1ToGAndM[] =

5
src/BRepTools/BRepTools_History.hxx
View File

@@ -105,7 +105,10 @@ public: //! @name Constructors for History creation
TopTools_IndexedMapOfShape anArgsMap;
TopTools_ListIteratorOfListOfShape aIt(theArguments);
for (; aIt.More(); aIt.Next())
TopExp::MapShapes(aIt.Value(), anArgsMap);
{
if (!aIt.Value().IsNull())
TopExp::MapShapes(aIt.Value(), anArgsMap);
}
// Copy the history for all supported shapes from the algorithm
Standard_Integer i, aNb = anArgsMap.Extent();