// internal for testing
internal static IReadOnlyDictionary <AnonymousTypeKey, AnonymousTypeValue> GetAnonymousTypeMapFromMetadata(MetadataReader reader, MetadataDecoder metadataDecoder)
{
var result = new Dictionary <AnonymousTypeKey, AnonymousTypeValue>();
foreach (var handle in reader.TypeDefinitions)
{
var def = reader.GetTypeDefinition(handle);
if (!def.Namespace.IsNil)
{
continue;
}
if (!reader.StringComparer.StartsWith(def.Name, GeneratedNames.AnonymousNamePrefix))
{
continue;
}
var metadataName = reader.GetString(def.Name);
short arity;
var name = MetadataHelpers.InferTypeArityAndUnmangleMetadataName(metadataName, out arity);
int index;
if (GeneratedNames.TryParseAnonymousTypeTemplateName(name, out index))
{
var builder = ArrayBuilder <AnonymousTypeKeyField> .GetInstance();
if (TryGetAnonymousTypeKey(reader, def, builder))
{
var type = (NamedTypeSymbol)metadataDecoder.GetTypeOfToken(handle);
var key = new AnonymousTypeKey(builder.ToImmutable());
var value = new AnonymousTypeValue(name, index, type.GetCciAdapter());
result.Add(key, value);
}
builder.Free();
}
}
return(result);
}