public TypeRef GetTypeFromReference(MetadataReader mr, TypeReferenceHandle handle, byte rawTypeKind)
{
var type_ref = mr.GetTypeReference(handle);
var @namespace = mr.GetString(type_ref.Namespace);
var name = mr.GetString(type_ref.Name);
if (!type_ref.ResolutionScope.IsNil)
{
if (type_ref.ResolutionScope.Kind == HandleKind.ModuleDefinition)
{
var api = this.api_namespace_map[@namespace];
return(new TypeRef.User(api.top_level_types[api.type_name_fqn_map[name]]));
}
else if (type_ref.ResolutionScope.Kind == HandleKind.TypeReference)
{
TypeGenInfo enclosing_type_ref = this.resolveEnclosingType(mr, (TypeReferenceHandle)type_ref.ResolutionScope);
Debug.Assert(@namespace.Length == 0, "I thought all nested types had empty namespaces");
return(new TypeRef.User(enclosing_type_ref.getNestedTypeByName(name)));
}
else if (type_ref.ResolutionScope.Kind == HandleKind.AssemblyReference)
{
// This occurs for System.Guid, not sure if it is supposed to
if (@namespace == "System")
{
if (name == "Guid")
{
return(TypeRef.Guid.Instance);
}
}
else if (@namespace == "Windows.System")
{
if (name == "DispatcherQueueController")
{
return(new TypeRef.UnhandledClrType(@namespace, name));
}
}
throw new InvalidOperationException();
}
}
throw new InvalidDataException(string.Format(
"unexpected type reference resolution scope IsNil {0} and/or Kind {1}",
type_ref.ResolutionScope.IsNil,
type_ref.ResolutionScope.Kind));
}
private TypeGenInfo resolveEnclosingType(MetadataReader mr, TypeReferenceHandle type_ref_handle)
{
var type_ref = mr.GetTypeReference(type_ref_handle);
var @namespace = mr.GetString(type_ref.Namespace);
var name = mr.GetString(type_ref.Name);
if (!type_ref.ResolutionScope.IsNil)
{
if (type_ref.ResolutionScope.Kind == HandleKind.ModuleDefinition)
{
Api api = this.api_namespace_map[@namespace];
return(api.top_level_types[api.type_name_fqn_map[name]]);
}
if (type_ref.ResolutionScope.Kind == HandleKind.TypeReference)
{
TypeGenInfo enclosing_type_ref = this.resolveEnclosingType(mr, (TypeReferenceHandle)type_ref.ResolutionScope);
Debug.Assert(@namespace.Length == 0, "I thought all nested types had empty namespaces");
return(enclosing_type_ref.getNestedTypeByName(name));
}
}
throw new NotImplementedException("unexpected ResolutionScope for enclosing type");
}
