private Exception UncachedTryResolveCaseSensitive(ReflectionDomain reflectionDomain, RuntimeAssembly currentAssembly, out RuntimeType result)
{
result = null;
foreach (QScopeDefinition scopeDefinition in currentAssembly.AllScopes)
{
MetadataReader reader = scopeDefinition.Reader;
ScopeDefinitionHandle scopeDefinitionHandle = scopeDefinition.Handle;
NamespaceDefinition namespaceDefinition;
if (!TryResolveNamespaceDefinitionCaseSensitive(reader, scopeDefinitionHandle, out namespaceDefinition))
{
continue;
}
// We've successfully drilled down the namespace chain. Now look for a top-level type matching the type name.
IEnumerable <TypeDefinitionHandle> candidateTypes = namespaceDefinition.TypeDefinitions;
foreach (TypeDefinitionHandle candidateType in candidateTypes)
{
TypeDefinition typeDefinition = candidateType.GetTypeDefinition(reader);
if (typeDefinition.Name.StringEquals(_name, reader))
{
result = reflectionDomain.ResolveTypeDefinition(reader, candidateType);
return(null);
}
}
// No match found in this assembly - see if there's a matching type forwarder.
IEnumerable <TypeForwarderHandle> candidateTypeForwarders = namespaceDefinition.TypeForwarders;
foreach (TypeForwarderHandle typeForwarderHandle in candidateTypeForwarders)
{
TypeForwarder typeForwarder = typeForwarderHandle.GetTypeForwarder(reader);
if (typeForwarder.Name.StringEquals(_name, reader))
{
RuntimeAssemblyName redirectedAssemblyName = typeForwarder.Scope.ToRuntimeAssemblyName(reader);
AssemblyQualifiedTypeName redirectedTypeName = new AssemblyQualifiedTypeName(this, redirectedAssemblyName);
return(redirectedTypeName.TryResolve(reflectionDomain, null, /*ignoreCase: */ false, out result));
}
}
}
{
String typeName = this.ToString();
String message = SR.Format(SR.TypeLoad_TypeNotFound, typeName, currentAssembly.FullName);
return(ReflectionCoreNonPortable.CreateTypeLoadException(message, typeName));
}
}
private Exception TryResolveCaseInsensitive(ReflectionDomain reflectionDomain, RuntimeAssembly currentAssembly, out RuntimeType result)
{
String fullName = this.ToString().ToLower();
LowLevelDictionary <String, QHandle> dict = GetCaseInsensitiveTypeDictionary(currentAssembly);
QHandle qualifiedHandle;
if (!dict.TryGetValue(fullName, out qualifiedHandle))
{
result = null;
return(new TypeLoadException(SR.Format(SR.TypeLoad_TypeNotFound, this.ToString(), currentAssembly.FullName)));
}
MetadataReader reader = qualifiedHandle.Reader;
Handle typeDefOrForwarderHandle = qualifiedHandle.Handle;
HandleType handleType = typeDefOrForwarderHandle.HandleType;
switch (handleType)
{
case HandleType.TypeDefinition:
{
TypeDefinitionHandle typeDefinitionHandle = typeDefOrForwarderHandle.ToTypeDefinitionHandle(reader);
result = reflectionDomain.ResolveTypeDefinition(reader, typeDefinitionHandle);
return(null);
}
case HandleType.TypeForwarder:
{
TypeForwarder typeForwarder = typeDefOrForwarderHandle.ToTypeForwarderHandle(reader).GetTypeForwarder(reader);
ScopeReferenceHandle destinationScope = typeForwarder.Scope;
RuntimeAssemblyName destinationAssemblyName = destinationScope.ToRuntimeAssemblyName(reader);
RuntimeAssembly destinationAssembly;
Exception exception = RuntimeAssembly.TryGetRuntimeAssembly(reflectionDomain, destinationAssemblyName, out destinationAssembly);
if (exception != null)
{
result = null;
return(exception);
}
return(TryResolveCaseInsensitive(reflectionDomain, destinationAssembly, out result));
}
default:
throw new InvalidOperationException();
}
}
internal static RuntimeType TryResolve(this ReflectionDomain reflectionDomain, MetadataReader reader, Handle typeDefRefOrSpec, TypeContext typeContext, ref Exception exception)
{
HandleType handleType = typeDefRefOrSpec.HandleType;
if (handleType == HandleType.TypeDefinition)
{
return(reflectionDomain.ResolveTypeDefinition(reader, typeDefRefOrSpec.ToTypeDefinitionHandle(reader)));
}
else if (handleType == HandleType.TypeReference)
{
return(reflectionDomain.TryResolveTypeReference(reader, typeDefRefOrSpec.ToTypeReferenceHandle(reader), ref exception));
}
else if (handleType == HandleType.TypeSpecification)
{
return(reflectionDomain.TryResolveTypeSignature(reader, typeDefRefOrSpec.ToTypeSpecificationHandle(reader), typeContext, ref exception));
}
else
{
throw new BadImageFormatException(); // Expected TypeRef, Def or Spec.
}
}
private Exception TryResolveCaseInsensitive(ReflectionDomain reflectionDomain, RuntimeAssembly currentAssembly, out RuntimeType result)
{
String fullName = this.ToString().ToLower();
LowLevelDictionary<String, QHandle> dict = GetCaseInsensitiveTypeDictionary(currentAssembly);
QHandle qualifiedHandle;
if (!dict.TryGetValue(fullName, out qualifiedHandle))
{
result = null;
return new TypeLoadException(SR.Format(SR.TypeLoad_TypeNotFound, this.ToString(), currentAssembly.FullName));
}
MetadataReader reader = qualifiedHandle.Reader;
Handle typeDefOrForwarderHandle = qualifiedHandle.Handle;
HandleType handleType = typeDefOrForwarderHandle.HandleType;
switch (handleType)
{
case HandleType.TypeDefinition:
{
TypeDefinitionHandle typeDefinitionHandle = typeDefOrForwarderHandle.ToTypeDefinitionHandle(reader);
result = reflectionDomain.ResolveTypeDefinition(reader, typeDefinitionHandle);
return null;
}
case HandleType.TypeForwarder:
{
TypeForwarder typeForwarder = typeDefOrForwarderHandle.ToTypeForwarderHandle(reader).GetTypeForwarder(reader);
ScopeReferenceHandle destinationScope = typeForwarder.Scope;
RuntimeAssemblyName destinationAssemblyName = destinationScope.ToRuntimeAssemblyName(reader);
RuntimeAssembly destinationAssembly;
Exception exception = RuntimeAssembly.TryGetRuntimeAssembly(reflectionDomain, destinationAssemblyName, out destinationAssembly);
if (exception != null)
{
result = null;
return exception;
}
return TryResolveCaseInsensitive(reflectionDomain, destinationAssembly, out result);
}
default:
throw new InvalidOperationException();
}
}
private Exception UncachedTryResolveCaseSensitive(ReflectionDomain reflectionDomain, RuntimeAssembly currentAssembly, out RuntimeType result)
{
result = null;
foreach (QScopeDefinition scopeDefinition in currentAssembly.AllScopes)
{
MetadataReader reader = scopeDefinition.Reader;
ScopeDefinitionHandle scopeDefinitionHandle = scopeDefinition.Handle;
NamespaceDefinition namespaceDefinition;
if (!TryResolveNamespaceDefinitionCaseSensitive(reader, scopeDefinitionHandle, out namespaceDefinition))
{
continue;
}
// We've successfully drilled down the namespace chain. Now look for a top-level type matching the type name.
IEnumerable<TypeDefinitionHandle> candidateTypes = namespaceDefinition.TypeDefinitions;
foreach (TypeDefinitionHandle candidateType in candidateTypes)
{
TypeDefinition typeDefinition = candidateType.GetTypeDefinition(reader);
if (typeDefinition.Name.StringEquals(_name, reader))
{
result = reflectionDomain.ResolveTypeDefinition(reader, candidateType);
return null;
}
}
// No match found in this assembly - see if there's a matching type forwarder.
IEnumerable<TypeForwarderHandle> candidateTypeForwarders = namespaceDefinition.TypeForwarders;
foreach (TypeForwarderHandle typeForwarderHandle in candidateTypeForwarders)
{
TypeForwarder typeForwarder = typeForwarderHandle.GetTypeForwarder(reader);
if (typeForwarder.Name.StringEquals(_name, reader))
{
RuntimeAssemblyName redirectedAssemblyName = typeForwarder.Scope.ToRuntimeAssemblyName(reader);
AssemblyQualifiedTypeName redirectedTypeName = new AssemblyQualifiedTypeName(this, redirectedAssemblyName);
return redirectedTypeName.TryResolve(reflectionDomain, null, /*ignoreCase: */false, out result);
}
}
}
{
String typeName = this.ToString();
String message = SR.Format(SR.TypeLoad_TypeNotFound, typeName, currentAssembly.FullName);
return ReflectionCoreNonPortable.CreateTypeLoadException(message, typeName);
}
}
//
// Main routine to parse a metadata type specification signature.
//
private static RuntimeType TryResolveTypeSignature(this ReflectionDomain reflectionDomain, MetadataReader reader, TypeSpecificationHandle typeSpecHandle, TypeContext typeContext, ref Exception exception)
{
Handle typeHandle = typeSpecHandle.GetTypeSpecification(reader).Signature;
switch (typeHandle.HandleType)
{
case HandleType.ArraySignature:
{
ArraySignature sig = typeHandle.ToArraySignatureHandle(reader).GetArraySignature(reader);
int rank = sig.Rank;
if (rank <= 0)
{
throw new BadImageFormatException(); // Bad rank.
}
RuntimeType elementType = reflectionDomain.TryResolve(reader, sig.ElementType, typeContext, ref exception);
if (elementType == null)
{
return(null);
}
return(ReflectionCoreNonPortable.GetMultiDimArrayType(elementType, rank));
}
case HandleType.ByReferenceSignature:
{
ByReferenceSignature sig = typeHandle.ToByReferenceSignatureHandle(reader).GetByReferenceSignature(reader);
RuntimeType targetType = reflectionDomain.TryResolve(reader, sig.Type, typeContext, ref exception);
if (targetType == null)
{
return(null);
}
return(ReflectionCoreNonPortable.GetByRefType(targetType));
}
case HandleType.MethodTypeVariableSignature:
{
MethodTypeVariableSignature sig = typeHandle.ToMethodTypeVariableSignatureHandle(reader).GetMethodTypeVariableSignature(reader);
return(typeContext.GenericMethodArguments[sig.Number]);
}
case HandleType.PointerSignature:
{
PointerSignature sig = typeHandle.ToPointerSignatureHandle(reader).GetPointerSignature(reader);
RuntimeType targetType = reflectionDomain.TryResolve(reader, sig.Type, typeContext, ref exception);
if (targetType == null)
{
return(null);
}
return(ReflectionCoreNonPortable.GetPointerType(targetType));
}
case HandleType.SZArraySignature:
{
SZArraySignature sig = typeHandle.ToSZArraySignatureHandle(reader).GetSZArraySignature(reader);
RuntimeType elementType = reflectionDomain.TryResolve(reader, sig.ElementType, typeContext, ref exception);
if (elementType == null)
{
return(null);
}
return(ReflectionCoreNonPortable.GetArrayType(elementType));
}
case HandleType.TypeDefinition:
{
return(reflectionDomain.ResolveTypeDefinition(reader, typeHandle.ToTypeDefinitionHandle(reader)));
}
case HandleType.TypeInstantiationSignature:
{
TypeInstantiationSignature sig = typeHandle.ToTypeInstantiationSignatureHandle(reader).GetTypeInstantiationSignature(reader);
RuntimeType genericTypeDefinition = reflectionDomain.TryResolve(reader, sig.GenericType, typeContext, ref exception);
if (genericTypeDefinition == null)
{
return(null);
}
LowLevelList <RuntimeType> genericTypeArguments = new LowLevelList <RuntimeType>();
foreach (Handle genericTypeArgumentHandle in sig.GenericTypeArguments)
{
RuntimeType genericTypeArgument = reflectionDomain.TryResolve(reader, genericTypeArgumentHandle, typeContext, ref exception);
if (genericTypeArgument == null)
{
return(null);
}
genericTypeArguments.Add(genericTypeArgument);
}
return(ReflectionCoreNonPortable.GetConstructedGenericType(genericTypeDefinition, genericTypeArguments.ToArray()));
}
case HandleType.TypeReference:
{
return(reflectionDomain.TryResolveTypeReference(reader, typeHandle.ToTypeReferenceHandle(reader), ref exception));
}
case HandleType.TypeVariableSignature:
{
TypeVariableSignature sig = typeHandle.ToTypeVariableSignatureHandle(reader).GetTypeVariableSignature(reader);
return(typeContext.GenericTypeArguments[sig.Number]);
}
default:
throw new NotSupportedException(); // Unexpected Type signature type.
}
}
