private static IReadOnlyDictionary<AnonymousTypeKey, AnonymousTypeValue> GetAnonymousTypeMap(
MetadataReader reader,
Symbols.Metadata.PE.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.StringStartsWith(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<string>.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);
result.Add(key, value);
}
builder.Free();
}
}
return result;
}