public static bool IsSubclassOf(this TypeReference type, string ns, string name, ITryResolveMetadata resolver)
{
TypeDefinition baseType = resolver.TryResolve(type);
while (baseType != null)
{
if (baseType.IsTypeOf(ns, name))
{
return(true);
}
baseType = resolver.TryResolve(baseType.BaseType);
}
return(false);
}
public static IEnumerable <(TypeReference InflatedInterface, InterfaceImplementation OriginalImpl)> GetInflatedInterfaces(this TypeReference typeRef, ITryResolveMetadata resolver)
{
var typeDef = resolver.TryResolve(typeRef);
if (typeDef?.HasInterfaces != true)
{
yield break;
}
if (typeRef is GenericInstanceType genericInstance)
{
foreach (var interfaceImpl in typeDef.Interfaces)
{
// InflateGenericType only returns null when inflating generic parameters (and the generic instance type doesn't resolve).
// Here we are not inflating a generic parameter but an interface type reference.
yield return((InflateGenericType(genericInstance, interfaceImpl.InterfaceType, resolver), interfaceImpl) !);
}
}
else
{
foreach (var interfaceImpl in typeDef.Interfaces)
{
yield return(interfaceImpl.InterfaceType, interfaceImpl);
}
}
}
public static TypeDefinition ResolveType(this ModuleDefinition module, string typeFullName, ITryResolveMetadata resolver)
{
if (typeFullName == null)
{
return(null);
}
var type = module.GetType(typeFullName);
if (type != null)
{
return(type);
}
if (!module.HasExportedTypes)
{
return(null);
}
// When resolving a forwarded type from a string, typeFullName should be a simple type name.
int idx = typeFullName.LastIndexOf('.');
(string typeNamespace, string typeName) = idx > 0 ? (typeFullName.Substring(0, idx), typeFullName.Substring(idx + 1)) :
(string.Empty, typeFullName);
TypeReference typeReference = new TypeReference(typeNamespace, typeName, module, module);
return(resolver.TryResolve(typeReference));
}
public static TypeReference GetInflatedDeclaringType(this TypeReference type, ITryResolveMetadata resolver)
{
if (type == null)
{
return(null);
}
if (type.IsGenericParameter || type.IsByReference || type.IsPointer)
{
return(null);
}
if (type is SentinelType sentinelType)
{
return(sentinelType.ElementType.GetInflatedDeclaringType(resolver));
}
if (type is PinnedType pinnedType)
{
return(pinnedType.ElementType.GetInflatedDeclaringType(resolver));
}
if (type is RequiredModifierType requiredModifierType)
{
return(requiredModifierType.ElementType.GetInflatedDeclaringType(resolver));
}
if (type is GenericInstanceType genericInstance)
{
var declaringType = genericInstance.DeclaringType;
if (declaringType.HasGenericParameters)
{
var result = new GenericInstanceType(declaringType);
for (var i = 0; i < declaringType.GenericParameters.Count; ++i)
{
result.GenericArguments.Add(genericInstance.GenericArguments[i]);
}
return(result);
}
return(declaringType);
}
var resolved = resolver.TryResolve(type);
System.Diagnostics.Debug.Assert(resolved == type);
return(resolved?.DeclaringType);
}
public static IEnumerable <MethodReference> GetMethods(this TypeReference type, ITryResolveMetadata resolver)
{
TypeDefinition typeDef = resolver.TryResolve(type);
if (typeDef?.HasMethods != true)
{
yield break;
}
if (type is GenericInstanceType genericInstanceType)
{
foreach (var methodDef in typeDef.Methods)
{
yield return(MakeMethodReferenceForGenericInstanceType(genericInstanceType, methodDef));
}
}
else
{
foreach (var method in typeDef.Methods)
{
yield return(method);
}
}
}
public static IEnumerable <(TypeReference InflatedInterface, InterfaceImplementation OriginalImpl)> GetInflatedInterfaces(this TypeReference typeRef, ITryResolveMetadata resolver)
{
var typeDef = resolver.TryResolve(typeRef);
if (typeDef?.HasInterfaces != true)
{
yield break;
}
if (typeRef is GenericInstanceType genericInstance)
{
foreach (var interfaceImpl in typeDef.Interfaces)
{
yield return(InflateGenericType(genericInstance, interfaceImpl.InterfaceType, resolver), interfaceImpl);
}
}
else
{
foreach (var interfaceImpl in typeDef.Interfaces)
{
yield return(interfaceImpl.InterfaceType, interfaceImpl);
}
}
}
public static TypeReference InflateGenericType(GenericInstanceType genericInstanceProvider, TypeReference typeToInflate, ITryResolveMetadata resolver)
{
if (typeToInflate is ArrayType arrayType)
{
var inflatedElementType = InflateGenericType(genericInstanceProvider, arrayType.ElementType, resolver);
if (inflatedElementType != arrayType.ElementType)
{
return(new ArrayType(inflatedElementType, arrayType.Rank));
}
return(arrayType);
}
if (typeToInflate is GenericInstanceType genericInst)
{
return(MakeGenericType(genericInstanceProvider, genericInst, resolver));
}
if (typeToInflate is GenericParameter genericParameter)
{
if (genericParameter.Owner is MethodReference)
{
return(genericParameter);
}
var elementType = resolver.TryResolve(genericInstanceProvider.ElementType);
if (elementType == null)
{
return(null);
}
var parameter = elementType.GenericParameters.Single(p => p == genericParameter);
return(genericInstanceProvider.GenericArguments[parameter.Position]);
}
if (typeToInflate is FunctionPointerType functionPointerType)
{
var result = new FunctionPointerType {
ReturnType = InflateGenericType(genericInstanceProvider, functionPointerType.ReturnType, resolver)
};
for (int i = 0; i < functionPointerType.Parameters.Count; i++)
{
var inflatedParameterType = InflateGenericType(genericInstanceProvider, functionPointerType.Parameters[i].ParameterType, resolver);
result.Parameters.Add(new ParameterDefinition(inflatedParameterType));
}
return(result);
}
if (typeToInflate is IModifierType modifierType)
{
var modifier = InflateGenericType(genericInstanceProvider, modifierType.ModifierType, resolver);
var elementType = InflateGenericType(genericInstanceProvider, modifierType.ElementType, resolver);
if (modifierType is OptionalModifierType)
{
return(new OptionalModifierType(modifier, elementType));
}
return(new RequiredModifierType(modifier, elementType));
}
if (typeToInflate is PinnedType pinnedType)
{
var elementType = InflateGenericType(genericInstanceProvider, pinnedType.ElementType, resolver);
if (elementType != pinnedType.ElementType)
{
return(new PinnedType(elementType));
}
return(pinnedType);
}
if (typeToInflate is PointerType pointerType)
{
var elementType = InflateGenericType(genericInstanceProvider, pointerType.ElementType, resolver);
if (elementType != pointerType.ElementType)
{
return(new PointerType(elementType));
}
return(pointerType);
}
if (typeToInflate is ByReferenceType byReferenceType)
{
var elementType = InflateGenericType(genericInstanceProvider, byReferenceType.ElementType, resolver);
if (elementType != byReferenceType.ElementType)
{
return(new ByReferenceType(elementType));
}
return(byReferenceType);
}
if (typeToInflate is SentinelType sentinelType)
{
var elementType = InflateGenericType(genericInstanceProvider, sentinelType.ElementType, resolver);
if (elementType != sentinelType.ElementType)
{
return(new SentinelType(elementType));
}
return(sentinelType);
}
return(typeToInflate);
}
