private void GetTypeNameHelper(out string name, out string nsName, out string assemblyName)
{
TypeReferenceHandle typeRefHandle;
QTypeDefinition qTypeDefinition;
MetadataReader reader;
RuntimeTypeHandle genericDefinitionHandle = GetTypeDefinition().GetRuntimeTypeHandle();
Debug.Assert(!genericDefinitionHandle.IsNull());
string enclosingDummy;
// Try to get the name from metadata
if (TypeLoaderEnvironment.Instance.TryGetMetadataForNamedType(genericDefinitionHandle, out qTypeDefinition))
{
TypeDefinitionHandle typeDefHandle = qTypeDefinition.NativeFormatHandle;
typeDefHandle.GetFullName(qTypeDefinition.NativeFormatReader, out name, out enclosingDummy, out nsName);
assemblyName = typeDefHandle.GetContainingModuleName(qTypeDefinition.NativeFormatReader);
}
// Try to get the name from diagnostic metadata
else if (TypeLoaderEnvironment.TryGetTypeReferenceForNamedType(genericDefinitionHandle, out reader, out typeRefHandle))
{
typeRefHandle.GetFullName(reader, out name, out enclosingDummy, out nsName);
assemblyName = typeRefHandle.GetContainingModuleName(reader);
}
else
{
name = genericDefinitionHandle.LowLevelToStringRawEETypeAddress();
nsName = "";
assemblyName = "?";
}
}
public static void InitializeLibrary()
{
TypeLoaderEnvironment.Initialize();
}
// Todo: This is looking up the hierarchy to DefType and ParameterizedType. It should really
// call a virtual or an outside type to handle those parts
internal bool RetrieveRuntimeTypeHandleIfPossible()
{
TypeDesc type = this;
if (!type.RuntimeTypeHandle.IsNull())
{
return(true);
}
TypeBuilderState state = GetTypeBuilderStateIfExist();
if (state != null && state.AttemptedAndFailedToRetrieveTypeHandle)
{
return(false);
}
if (type is DefType typeAsDefType)
{
TypeDesc typeDefinition = typeAsDefType.GetTypeDefinition();
RuntimeTypeHandle typeDefHandle = typeDefinition.RuntimeTypeHandle;
if (typeDefHandle.IsNull())
{
#if SUPPORTS_NATIVE_METADATA_TYPE_LOADING
NativeFormat.NativeFormatType mdType = typeDefinition as NativeFormat.NativeFormatType;
if (mdType != null)
{
// Look up the runtime type handle in the module metadata
if (TypeLoaderEnvironment.Instance.TryGetNamedTypeForMetadata(new QTypeDefinition(mdType.MetadataReader, mdType.Handle), out typeDefHandle))
{
typeDefinition.SetRuntimeTypeHandleUnsafe(typeDefHandle);
}
}
#endif
#if ECMA_METADATA_SUPPORT
Ecma.EcmaType ecmaType = typeDefinition as Ecma.EcmaType;
if (ecmaType != null)
{
// Look up the runtime type handle in the module metadata
if (TypeLoaderEnvironment.Instance.TryGetNamedTypeForMetadata(new QTypeDefinition(ecmaType.MetadataReader, ecmaType.Handle), out typeDefHandle))
{
typeDefinition.SetRuntimeTypeHandleUnsafe(typeDefHandle);
}
}
#endif
}
if (!typeDefHandle.IsNull())
{
Instantiation instantiation = typeAsDefType.Instantiation;
if ((instantiation.Length > 0) && !typeAsDefType.IsGenericDefinition)
{
// Generic type. First make sure we have type handles for the arguments, then check
// the instantiation.
bool argumentsRegistered = true;
bool arrayArgumentsFound = false;
for (int i = 0; i < instantiation.Length; i++)
{
if (!instantiation[i].RetrieveRuntimeTypeHandleIfPossible())
{
argumentsRegistered = false;
arrayArgumentsFound = arrayArgumentsFound || (instantiation[i] is ArrayType);
}
}
RuntimeTypeHandle rtth;
// If at least one of the arguments is not known to the runtime, we take a slower
// path to compare the current type we need a handle for to the list of generic
// types statically available, by loading them as DefTypes and doing a DefType comparaison
if ((argumentsRegistered && TypeLoaderEnvironment.Instance.TryLookupConstructedGenericTypeForComponents(new TypeLoaderEnvironment.HandleBasedGenericTypeLookup(typeAsDefType), out rtth)) ||
(arrayArgumentsFound && TypeLoaderEnvironment.Instance.TryLookupConstructedGenericTypeForComponents(new TypeLoaderEnvironment.DefTypeBasedGenericTypeLookup(typeAsDefType), out rtth)))
{
typeAsDefType.SetRuntimeTypeHandleUnsafe(rtth);
return(true);
}
}
else
{
// Nongeneric, or generic type def types are just the type handle of the type definition as found above
type.SetRuntimeTypeHandleUnsafe(typeDefHandle);
return(true);
}
}
}
else if (type is ParameterizedType typeAsParameterType)
{
if (typeAsParameterType.ParameterType.RetrieveRuntimeTypeHandleIfPossible())
{
RuntimeTypeHandle rtth;
if ((type is ArrayType &&
(TypeLoaderEnvironment.TryGetArrayTypeForElementType_LookupOnly(typeAsParameterType.ParameterType.RuntimeTypeHandle, type.IsMdArray, type.IsMdArray ? ((ArrayType)type).Rank : -1, out rtth) ||
TypeLoaderEnvironment.Instance.TryGetArrayTypeHandleForNonDynamicArrayTypeFromTemplateTable(type as ArrayType, out rtth)))
||
(type is PointerType && TypeSystemContext.PointerTypesCache.TryGetValue(typeAsParameterType.ParameterType.RuntimeTypeHandle, out rtth))
||
(type is ByRefType && TypeSystemContext.ByRefTypesCache.TryGetValue(typeAsParameterType.ParameterType.RuntimeTypeHandle, out rtth)))
{
typeAsParameterType.SetRuntimeTypeHandleUnsafe(rtth);
return(true);
}
}
}
else if (type is SignatureVariable)
{
// SignatureVariables do not have RuntimeTypeHandles
}
else
{
Debug.Assert(false);
}
// Make a note on the type build state that we have attempted to retrieve RuntimeTypeHandle but there is not one
GetOrCreateTypeBuilderState().AttemptedAndFailedToRetrieveTypeHandle = true;
return(false);
}
