private DefType ResolveTypeReference(TypeReferenceHandle handle)
{
TypeReference typeReference = _metadataReader.GetTypeReference(handle);
if (typeReference.ParentNamespaceOrType.HandleType == HandleType.TypeReference)
{
// Nested type case
MetadataType containingType = (MetadataType)ResolveTypeReference(typeReference.ParentNamespaceOrType.ToTypeReferenceHandle(_metadataReader));
return(containingType.GetNestedType(_metadataReader.GetString(typeReference.TypeName)));
}
else
{
// Cross-assembly reference
// Get remote module, and then lookup by namespace/name
ScopeReferenceHandle scopeReferenceHandle = default(ScopeReferenceHandle);
NamespaceReferenceHandle initialNamespaceReferenceHandle = typeReference.ParentNamespaceOrType.ToNamespaceReferenceHandle(_metadataReader);
NamespaceReferenceHandle namespaceReferenceHandle = initialNamespaceReferenceHandle;
do
{
NamespaceReference namespaceReference = _metadataReader.GetNamespaceReference(namespaceReferenceHandle);
if (namespaceReference.ParentScopeOrNamespace.HandleType == HandleType.ScopeReference)
{
scopeReferenceHandle = namespaceReference.ParentScopeOrNamespace.ToScopeReferenceHandle(_metadataReader);
}
else
{
namespaceReferenceHandle = namespaceReference.ParentScopeOrNamespace.ToNamespaceReferenceHandle(_metadataReader);
}
} while (scopeReferenceHandle.IsNull(_metadataReader));
ModuleDesc remoteModule = GetModule(scopeReferenceHandle);
string namespaceName = _metadataReader.GetNamespaceName(initialNamespaceReferenceHandle);
string typeName = _metadataReader.GetString(typeReference.TypeName);
MetadataType resolvedType = remoteModule.GetType(namespaceName, typeName, throwIfNotFound: false);
if (resolvedType != null)
{
return(resolvedType);
}
// Special handling for the magic __Canon types cannot be currently put into
// NativeFormatModule because GetType returns a MetadataType.
if (remoteModule == _context.SystemModule)
{
string qualifiedTypeName = namespaceName + "." + typeName;
if (qualifiedTypeName == CanonType.FullName)
{
return(_context.CanonType);
}
if (qualifiedTypeName == UniversalCanonType.FullName)
{
return(_context.UniversalCanonType);
}
}
throw new NotImplementedException();
}
}
