public static RuntimeTypeHandle CreateEEType(TypeDesc type, TypeBuilderState state)
{
Debug.Assert(type != null && state != null);
EEType* pTemplateEEType = null;
bool requireVtableSlotMapping = false;
if (type is PointerType)
{
Debug.Assert(0 == state.NonGcDataSize);
Debug.Assert(false == state.HasStaticConstructor);
Debug.Assert(0 == state.GcDataSize);
Debug.Assert(0 == state.ThreadStaticOffset);
Debug.Assert(0 == state.NumSealedVTableEntries);
Debug.Assert(IntPtr.Zero == state.GcStaticDesc);
Debug.Assert(IntPtr.Zero == state.ThreadStaticDesc);
RuntimeTypeHandle templateTypeHandle = typeof(void*).TypeHandle;
pTemplateEEType = templateTypeHandle.ToEETypePtr();
}
else if ((type is MetadataType) && (state.TemplateType == null || !state.TemplateType.RetrieveRuntimeTypeHandleIfPossible()))
{
requireVtableSlotMapping = true;
pTemplateEEType = null;
}
else if (type.IsMdArray)
{
pTemplateEEType = typeof(object[,]).TypeHandle.ToEETypePtr();
requireVtableSlotMapping = false;
}
else
{
Debug.Assert(state.TemplateType != null && !state.TemplateType.RuntimeTypeHandle.IsNull());
requireVtableSlotMapping = state.TemplateType.IsCanonicalSubtype(CanonicalFormKind.Universal);
RuntimeTypeHandle templateTypeHandle = state.TemplateType.RuntimeTypeHandle;
pTemplateEEType = templateTypeHandle.ToEETypePtr();
}
DefType typeAsDefType = type as DefType;
// Use a checked typecast to 'ushort' for the arity to ensure its value never exceeds 65535 and cause integer
// overflows later when computing size of memory blocks to allocate for the type and its GenericInstanceDescriptor structures
int arity = checked((ushort)((typeAsDefType != null && typeAsDefType.HasInstantiation ? typeAsDefType.Instantiation.Length : 0)));
CreateEETypeWorker(pTemplateEEType, (uint)type.GetHashCode(), arity, requireVtableSlotMapping, state);
return state.HalfBakedRuntimeTypeHandle;
}
public override int GetHashCode()
{
return(TypeHashingAlgorithms.ComputeMethodSignatureHashCode(_returnType.GetHashCode(), _parameters));
}