Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Refactor our linear collection marshalling implementation #86519

Merged
merged 3 commits into from
May 19, 2023
Merged

Refactor our linear collection marshalling implementation #86519

Show file tree
Hide file tree
Changes from 1 commit
Commits
Show all changes
3 commits
Select commit Hold shift + click to select a range
5b8bebb
Refactor our linear collection marshalling implementation
jkoritzinsky May 19, 2023
747ccb0
Update src/libraries/System.Runtime.InteropServices/gen/Microsoft.Int…
jkoritzinsky May 19, 2023
05bc732
Apply suggestions from code review
jkoritzinsky May 19, 2023
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
43 changes: 27 additions & 16 deletions ...rosoft.Interop.SourceGeneration/Marshalling/AttributedMarshallingModelGeneratorFactory.cs
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -311,25 +311,19 @@ private IMarshallingGenerator CreateNativeCollectionMarshaller(
marshallingStrategy = new StatefulCallerAllocatedBufferMarshalling(marshallingStrategy, marshallerTypeSyntax, bufferElementTypeSyntax);
}

if (elementIsBlittable)
{
marshallingStrategy = new StatefulLinearCollectionBlittableElementsMarshalling(marshallingStrategy, marshallerData.Shape, marshallerData.CollectionElementType.Syntax, unmanagedElementType, numElementsExpression);
}
else
{
marshallingStrategy = new StatefulLinearCollectionNonBlittableElementsMarshalling(marshallingStrategy, marshallerData.Shape, unmanagedElementType, elementMarshaller, elementInfo, numElementsExpression);
}
IElementsMarshallingCollectionSource collectionSource = new StatefulLinearCollectionSource();
IElementsMarshalling elementsMarshalling = CreateElementsMarshalling(marshallerData, elementInfo, elementMarshaller, unmanagedElementType, collectionSource);

marshallingStrategy = new StatefulLinearCollectionMarshalling(marshallingStrategy, marshallerData.Shape, numElementsExpression, elementsMarshalling);
}
else
{
if (elementIsBlittable)
{
marshallingStrategy = new StatelessLinearCollectionBlittableElementsMarshalling(marshallerTypeSyntax, nativeType, marshallerData.Shape, marshallerData.CollectionElementType.Syntax, unmanagedElementType, numElementsExpression);
}
else
{
marshallingStrategy = new StatelessLinearCollectionNonBlittableElementsMarshalling(marshallerTypeSyntax, nativeType, marshallerData.Shape, unmanagedElementType, elementMarshaller, elementInfo, numElementsExpression);
}
marshallingStrategy = new StatelessLinearCollectionSpaceAllocator(marshallerTypeSyntax, nativeType, marshallerData.Shape, numElementsExpression);

IElementsMarshallingCollectionSource collectionSource = new StatelessLinearCollectionSource(marshallerTypeSyntax);
IElementsMarshalling elementsMarshalling = CreateElementsMarshalling(marshallerData, elementInfo, elementMarshaller, unmanagedElementType, collectionSource);

marshallingStrategy = new StatelessLinearCollectionMarshalling(marshallingStrategy, elementsMarshalling, nativeType, marshallerData.Shape);

if (marshallerData.Shape.HasFlag(MarshallerShape.CallerAllocatedBuffer))
{
Expand Down Expand Up @@ -357,6 +351,23 @@ private IMarshallingGenerator CreateNativeCollectionMarshaller(
return marshallingGenerator;
}

private static IElementsMarshalling CreateElementsMarshalling(CustomTypeMarshallerData marshallerData, TypePositionInfo elementInfo, IMarshallingGenerator elementMarshaller, TypeSyntax unmanagedElementType, IElementsMarshallingCollectionSource collectionSource)
{
IElementsMarshalling elementsMarshalling;

bool elementIsBlittable = elementMarshaller is BlittableMarshaller;
if (elementIsBlittable)
{
elementsMarshalling = new BlittableElementsMarshalling(marshallerData.CollectionElementType.Syntax, unmanagedElementType, collectionSource);
}
else
{
elementsMarshalling = new NonBlittableElementsMarshalling(unmanagedElementType, elementMarshaller, elementInfo, collectionSource);
}

return elementsMarshalling;
}

private static bool ElementTypeIsSometimesNonBlittable(TypePositionInfo elementInfo)
{
if (elementInfo.MarshallingAttributeInfo is NoMarshallingInfo
Expand Down
Loading