public void RegisterNewNamedTypeRuntimeTypeHandle(MetadataReader metadataReader, TypeDefinitionHandle typeDefHandle, RuntimeTypeHandle runtimeTypeHandle, IntPtr nonGcStaticFields, IntPtr gcStaticFields)
{
NamedTypeMetadataDescription description = new NamedTypeMetadataDescription()
{
MetadataReader = metadataReader,
TypeDefinition = typeDefHandle
};
TypeLoaderLogger.WriteLine("Register new type with eetype = " + runtimeTypeHandle.ToIntPtr().LowLevelToString() + " nonGcStaticFields " + nonGcStaticFields.LowLevelToString() + " gcStaticFields " + gcStaticFields.LowLevelToString());
NamedTypeLookupResult result = _metadataToRuntimeTypeHandleHashtable.GetOrCreateValue(description);
result.VersionNumber = _namedTypeLookupLiveVersion + 1;
result.RuntimeTypeHandle = runtimeTypeHandle;
result.GcStaticFields = gcStaticFields;
result.NonGcStaticFields = nonGcStaticFields;
unsafe
{
result.RuntimeTypeHandleHashcode = (int)runtimeTypeHandle.ToEETypePtr()->HashCode;
}
NamedTypeLookupResult rthToMetadataResult = _runtimeTypeHandleToMetadataHashtable.AddOrGetExisting(result);
if (!Object.ReferenceEquals(rthToMetadataResult, result))
{
rthToMetadataResult.TypeDefinition = typeDefHandle;
rthToMetadataResult.MetadataReader = metadataReader;
rthToMetadataResult.GcStaticFields = gcStaticFields;
rthToMetadataResult.NonGcStaticFields = nonGcStaticFields;
}
}
public void UnregisterNewNamedTypeRuntimeTypeHandle(MetadataReader metadataReader, TypeDefinitionHandle typeDefHandle, RuntimeTypeHandle runtimeTypeHandle)
{
NamedTypeMetadataDescription description = new NamedTypeMetadataDescription()
{
MetadataReader = metadataReader,
TypeDefinition = typeDefHandle
};
NamedTypeLookupResult metadataLookupResult;
if (_metadataToRuntimeTypeHandleHashtable.TryGetValue(description, out metadataLookupResult))
{
metadataLookupResult.RuntimeTypeHandle = default(RuntimeTypeHandle);
metadataLookupResult.VersionNumber = -1;
}
NamedTypeLookupResult runtimeTypeHandleResult;
if (_runtimeTypeHandleToMetadataHashtable.TryGetValue(runtimeTypeHandle, out runtimeTypeHandleResult))
{
metadataLookupResult.GcStaticFields = IntPtr.Zero;
metadataLookupResult.NonGcStaticFields = IntPtr.Zero;
metadataLookupResult.RuntimeTypeHandle = default(RuntimeTypeHandle);
}
}
/// <summary>
/// Return the RuntimeTypeHandle for the named type described in metadata. This is used to implement the Create and Invoke
/// apis for types.
///
/// Preconditions:
/// metadataReader + typeDefHandle - a valid metadata reader + typeDefinitionHandle where "metadataReader" is one
/// of the metadata readers returned by ExecutionEnvironment.MetadataReaders.
///
/// Note: Although this method has a "bool" return value like the other mapping table accessors, the Project N pay-for-play design
/// guarantees that any type enabled for metadata also has a RuntimeTypeHandle underneath.
/// </summary>
/// <param name="metadataReader">Metadata reader for module containing the type</param>
/// <param name="typeDefHandle">TypeDef handle for the type to look up</param>
/// <param name="runtimeTypeHandle">Runtime type handle (EEType) for the given type</param>
public unsafe bool TryGetNamedTypeForMetadata(MetadataReader metadataReader, TypeDefinitionHandle typeDefHandle, out RuntimeTypeHandle runtimeTypeHandle)
{
NamedTypeMetadataDescription description = new NamedTypeMetadataDescription()
{
MetadataReader = metadataReader,
TypeDefinition = typeDefHandle
};
runtimeTypeHandle = default(RuntimeTypeHandle);
NamedTypeLookupResult result = _metadataToRuntimeTypeHandleHashtable.GetOrCreateValue(description);
if (result.VersionNumber <= _namedTypeLookupLiveVersion)
{
runtimeTypeHandle = result.RuntimeTypeHandle;
}
return(!runtimeTypeHandle.IsNull());
}
