internal static void SetFieldMarshal(this IHasFieldMarshal owner, LazyValue <FieldMarshal> container, FieldMarshal newValue)
{
if (newValue != null && newValue.Parent != null)
{
throw new InvalidOperationException("Field marshal is already added to another member.");
}
if (container.Value != null)
{
container.Value.Parent = null;
}
container.Value = newValue;
if (newValue != null)
{
newValue.Parent = owner;
}
}
private void AddFieldMarshal(MetadataToken ownerToken, IHasFieldMarshal owner)
{
if (owner.MarshalDescriptor is null)
{
return;
}
var table = Metadata.TablesStream.GetSortedTable <IHasFieldMarshal, FieldMarshalRow>(TableIndex.FieldMarshal);
var encoder = Metadata.TablesStream.GetIndexEncoder(CodedIndex.HasFieldMarshal);
var row = new FieldMarshalRow(
encoder.EncodeToken(ownerToken),
Metadata.BlobStream.GetBlobIndex(this, owner.MarshalDescriptor, DiagnosticBag));
table.Add(owner, row);
}
void CopyMarshalType(IHasFieldMarshal source, IHasFieldMarshal dest)
{
if (!source.HasMarshalType)
{
return;
}
switch (source.MarshalType)
{
case SafeArrayMarshalType s:
dest.MarshalType = new SafeArrayMarshalType(s.VariantType, Importer.Import(s.UserDefinedSubType));
break;
case CustomMarshalType s:
dest.MarshalType = new CustomMarshalType(s.Guid, s.NativeTypeName,
Importer.Import(s.CustomMarshaler), s.Cookie);
break;
default:
dest.MarshalType = source.MarshalType;
break;
}
}
public FieldMarshal(IHasFieldMarshal parent, MarshalDescriptor marshalDescriptor)
: base(null, new MetadataToken(MetadataTokenType.FieldMarshal), new MetadataRow <uint, uint>())
{
_parent = new LazyValue <IHasFieldMarshal>(parent);
_marshalDescriptor = new LazyValue <MarshalDescriptor>(marshalDescriptor);
}
