public unsafe bool TryGetOrCreateNamedTypeForMetadata(MetadataReader metadataReader, TypeDefinitionHandle typeDefHandle, out RuntimeTypeHandle runtimeTypeHandle)
{
int hashCode = typeDefHandle.ComputeHashCode(metadataReader);
IntPtr moduleHandle = ModuleList.Instance.GetModuleForMetadataReader(metadataReader);
NativeReader typeMapReader;
if (TryGetNativeReaderForBlob(moduleHandle, ReflectionMapBlob.TypeMap, out typeMapReader))
{
NativeParser typeMapParser = new NativeParser(typeMapReader, 0);
NativeHashtable typeHashtable = new NativeHashtable(typeMapParser);
ExternalReferencesTable externalReferences = default(ExternalReferencesTable);
externalReferences.InitializeCommonFixupsTable(moduleHandle);
var lookup = typeHashtable.Lookup(hashCode);
NativeParser entryParser;
while (!(entryParser = lookup.GetNext()).IsNull)
{
var foundTypeIndex = entryParser.GetUnsigned();
if (entryParser.GetUnsigned().AsHandle().Equals(typeDefHandle))
{
runtimeTypeHandle = externalReferences.GetRuntimeTypeHandleFromIndex(foundTypeIndex);
return(true);
}
}
}
runtimeTypeHandle = default(RuntimeTypeHandle);
return(false);
}
protected override NamedTypeLookupResult CreateValueFromKey(QTypeDefinition key)
{
RuntimeTypeHandle foundRuntimeTypeHandle = default(RuntimeTypeHandle);
if (key.IsNativeFormatMetadataBased)
{
MetadataReader metadataReader = key.NativeFormatReader;
TypeDefinitionHandle typeDefHandle = key.NativeFormatHandle;
int hashCode = typeDefHandle.ComputeHashCode(metadataReader);
NativeFormatModuleInfo module = ModuleList.Instance.GetModuleInfoForMetadataReader(metadataReader);
NativeReader typeMapReader;
if (TryGetNativeReaderForBlob(module, ReflectionMapBlob.TypeMap, out typeMapReader))
{
NativeParser typeMapParser = new NativeParser(typeMapReader, 0);
NativeHashtable typeHashtable = new NativeHashtable(typeMapParser);
ExternalReferencesTable externalReferences = default(ExternalReferencesTable);
externalReferences.InitializeCommonFixupsTable(module);
var lookup = typeHashtable.Lookup(hashCode);
NativeParser entryParser;
while (!(entryParser = lookup.GetNext()).IsNull)
{
var foundTypeIndex = entryParser.GetUnsigned();
if (entryParser.GetUnsigned().AsHandle().Equals(typeDefHandle))
{
foundRuntimeTypeHandle = externalReferences.GetRuntimeTypeHandleFromIndex(foundTypeIndex);
break;
}
}
}
}
return(new NamedTypeLookupResult()
{
QualifiedTypeDefinition = key,
RuntimeTypeHandle = foundRuntimeTypeHandle,
VersionNumber = TypeLoaderEnvironment.Instance._namedTypeLookupLiveVersion
});
}
