public TypeDesc GetType(Internal.Metadata.NativeFormat.Handle token)
{
TypeDesc type = _metadataUnit.GetType(token);
TypeDesc instantiatedType = type.InstantiateSignature(TypeInstantiation, MethodInstantiation);
return(instantiatedType);
}
internal TypeDesc GetTypeDescFromQHandle(QTypeDefinition qTypeDefinition)
{
#if ECMA_METADATA_SUPPORT
if (qTypeDefinition.IsNativeFormatMetadataBased)
#endif
{
MetadataReader nativeFormatMetadataReader = qTypeDefinition.NativeFormatReader;
TypeDefinitionHandle typeDefinitionHandle = qTypeDefinition.NativeFormatHandle;
NativeFormatModuleInfo module = ModuleList.Instance.GetModuleInfoForMetadataReader(nativeFormatMetadataReader);
NativeFormatMetadataUnit metadataUnit = ResolveMetadataUnit(module);
NativeFormatType nativeFormatType = (NativeFormatType)metadataUnit.GetType(typeDefinitionHandle);
return(nativeFormatType);
}
#if ECMA_METADATA_SUPPORT
else if (qTypeDefinition.IsEcmaFormatMetadataBased)
{
EcmaModuleInfo module = ModuleList.Instance.GetModuleInfoForMetadataReader(qTypeDefinition.EcmaFormatReader);
Ecma.EcmaModule ecmaModule = ResolveEcmaModule(module);
Ecma.EcmaType ecmaType = (Ecma.EcmaType)ecmaModule.GetType(qTypeDefinition.EcmaFormatHandle);
return(ecmaType);
}
#endif
return(null);
}
public TypeDesc ResolveRuntimeTypeHandle(RuntimeTypeHandle rtth)
{
TypeDesc returnedType;
if (_runtimeTypeHandleResolutionCache.TryGetValue(rtth, out returnedType))
{
return(returnedType);
}
if (rtth.Equals(CanonType.RuntimeTypeHandle))
{
returnedType = CanonType;
}
else if (rtth.Equals(UniversalCanonType.RuntimeTypeHandle))
{
returnedType = UniversalCanonType;
}
else if (RuntimeAugments.IsGenericTypeDefinition(rtth))
{
#if SUPPORTS_NATIVE_METADATA_TYPE_LOADING
MetadataReader metadataReader;
TypeDefinitionHandle typeDefinitionHandle;
if (TypeLoaderEnvironment.Instance.TryGetMetadataForNamedType(rtth, out metadataReader, out typeDefinitionHandle))
{
IntPtr moduleHandle = ModuleList.Instance.GetModuleForMetadataReader(metadataReader);
NativeFormatMetadataUnit metadataUnit = ResolveMetadataUnit(moduleHandle);
NativeFormatType nativeFormatType = (NativeFormatType)metadataUnit.GetType(typeDefinitionHandle);
returnedType = nativeFormatType;
}
if (returnedType == null)
#endif
{
unsafe
{
TypeDesc[] genericParameters = new TypeDesc[rtth.ToEETypePtr()->GenericArgumentCount];
for (int i = 0; i < genericParameters.Length; i++)
{
genericParameters[i] = GetSignatureVariable(i, false);
}
returnedType = new NoMetadataType(this, rtth, null, new Instantiation(genericParameters), rtth.GetHashCode());
}
}
}
else if (RuntimeAugments.IsGenericType(rtth))
{
RuntimeTypeHandle typeDefRuntimeTypeHandle;
RuntimeTypeHandle[] genericArgRuntimeTypeHandles;
typeDefRuntimeTypeHandle = RuntimeAugments.GetGenericInstantiation(rtth, out genericArgRuntimeTypeHandles);
DefType typeDef = (DefType)ResolveRuntimeTypeHandle(typeDefRuntimeTypeHandle);
Instantiation genericArgs = ResolveRuntimeTypeHandles(genericArgRuntimeTypeHandles);
returnedType = ResolveGenericInstantiation(typeDef, genericArgs);
}
else if (RuntimeAugments.IsArrayType(rtth))
{
RuntimeTypeHandle elementTypeHandle = RuntimeAugments.GetRelatedParameterTypeHandle(rtth);
TypeDesc elementType = ResolveRuntimeTypeHandle(elementTypeHandle);
unsafe
{
if (rtth.ToEETypePtr()->IsSzArray)
{
returnedType = GetArrayType(elementType);
}
else
{
returnedType = GetArrayType(elementType, rtth.ToEETypePtr()->ArrayRank);
}
}
}
else if (RuntimeAugments.IsUnmanagedPointerType(rtth))
{
RuntimeTypeHandle targetTypeHandle = RuntimeAugments.GetRelatedParameterTypeHandle(rtth);
TypeDesc targetType = ResolveRuntimeTypeHandle(targetTypeHandle);
returnedType = GetPointerType(targetType);
}
else
{
#if SUPPORTS_NATIVE_METADATA_TYPE_LOADING
MetadataReader metadataReader;
TypeDefinitionHandle typeDefinitionHandle;
if (TypeLoaderEnvironment.Instance.TryGetMetadataForNamedType(rtth, out metadataReader, out typeDefinitionHandle))
{
IntPtr moduleHandle = ModuleList.Instance.GetModuleForMetadataReader(metadataReader);
NativeFormatMetadataUnit metadataUnit = ResolveMetadataUnit(moduleHandle);
returnedType = metadataUnit.GetType(typeDefinitionHandle);
}
else
#endif
{
returnedType = new NoMetadataType(this, rtth, null, Instantiation.Empty, rtth.GetHashCode());
}
}
// We either retrieved an existing DefType that is already registered with the runtime
// or one that is not associated with an EEType yet. If it's not associated, associate it.
if (returnedType.RuntimeTypeHandle.IsNull())
{
TypeBuilderState state = returnedType.GetTypeBuilderStateIfExist();
bool skipStoringRuntimeTypeHandle = false;
// If we've already attempted to lookup and failed to retrieve this type handle, we
// may have already decided to create a new one. In that case, do not attempt to abort
// that creation process as it may have already begun the process of type creation
if (state != null && state.AttemptedAndFailedToRetrieveTypeHandle)
{
skipStoringRuntimeTypeHandle = true;
}
if (!skipStoringRuntimeTypeHandle)
{
returnedType.SetRuntimeTypeHandleUnsafe(rtth);
}
}
_runtimeTypeHandleResolutionCache.Add(rtth, returnedType);
return(returnedType.WithDebugName());
}