private MethodDesc GetForwardDelegateCreationStub(TypeDesc delegateType)
{
var stub = InteropStateManager.GetForwardDelegateCreationThunk(delegateType);
Debug.Assert(stub != null);
_delegateMarshalingTypes.Add(delegateType);
return(stub);
}
public override IEnumerable <DependencyListEntry> GetStaticDependencies(NodeFactory factory)
{
InteropStateManager stateManager = ((CompilerGeneratedInteropStubManager)factory.InteropStubManager)._interopStateManager;
return(new DependencyListEntry[]
{
new DependencyListEntry(factory.NecessaryTypeSymbol(_type), "Delegate Marshalling Stub"),
new DependencyListEntry(factory.MethodEntrypoint(stateManager.GetOpenStaticDelegateMarshallingThunk(_type)), "Delegate Marshalling Stub"),
new DependencyListEntry(factory.MethodEntrypoint(stateManager.GetClosedDelegateMarshallingThunk(_type)), "Delegate Marshalling Stub"),
new DependencyListEntry(factory.MethodEntrypoint(stateManager.GetForwardDelegateCreationThunk(_type)), "Delegate Marshalling Stub"),
});
}
internal IEnumerable <DelegateMarshallingThunks> GetDelegateMarshallingThunks()
{
foreach (var delegateType in _delegateMarshalingTypes)
{
yield return
(new DelegateMarshallingThunks()
{
DelegateType = delegateType,
OpenStaticDelegateMarshallingThunk = InteropStateManager.GetOpenStaticDelegateMarshallingThunk(delegateType),
ClosedDelegateMarshallingThunk = InteropStateManager.GetClosedDelegateMarshallingThunk(delegateType),
DelegateCreationThunk = InteropStateManager.GetForwardDelegateCreationThunk(delegateType)
});
}
}
public override ObjectData GetData(NodeFactory factory, bool relocsOnly = false)
{
// This node does not trigger generation of other nodes.
if (relocsOnly)
{
return(new ObjectData(Array.Empty <byte>(), Array.Empty <Relocation>(), 1, new ISymbolDefinitionNode[] { this }));
}
var writer = new NativeWriter();
var typeMapHashTable = new VertexHashtable();
Section hashTableSection = writer.NewSection();
hashTableSection.Place(typeMapHashTable);
foreach (var delegateType in factory.MetadataManager.GetTypesWithDelegateMarshalling())
{
Vertex thunks = writer.GetTuple(
writer.GetUnsignedConstant(_externalReferences.GetIndex(factory.MethodEntrypoint(_interopStateManager.GetOpenStaticDelegateMarshallingThunk(delegateType)))),
writer.GetUnsignedConstant(_externalReferences.GetIndex(factory.MethodEntrypoint(_interopStateManager.GetClosedDelegateMarshallingThunk(delegateType)))),
writer.GetUnsignedConstant(_externalReferences.GetIndex(factory.MethodEntrypoint(_interopStateManager.GetForwardDelegateCreationThunk(delegateType))))
);
Vertex vertex = writer.GetTuple(
writer.GetUnsignedConstant(_externalReferences.GetIndex(factory.NecessaryTypeSymbol(delegateType))),
thunks
);
int hashCode = delegateType.GetHashCode();
typeMapHashTable.Append((uint)hashCode, hashTableSection.Place(vertex));
}
byte[] hashTableBytes = writer.Save();
_endSymbol.SetSymbolOffset(hashTableBytes.Length);
return(new ObjectData(hashTableBytes, Array.Empty <Relocation>(), 1, new ISymbolDefinitionNode[] { this, _endSymbol }));
}