internal static DkmClrType GetProxyType(this DkmClrType type)
{
// CONSIDER: If needed, we could probably compute a new DynamicAttribute for
// the proxy type based on the DynamicAttribute of the argument.
DkmClrType attributeTarget;
DkmClrDebuggerTypeProxyAttribute attribute;
if (type.TryGetEvalAttribute(out attributeTarget, out attribute))
{
var targetedType = attributeTarget.GetLmrType();
var proxyType = attribute.ProxyType;
var underlyingProxy = proxyType.GetLmrType();
if (underlyingProxy.IsGenericType && targetedType.IsGenericType)
{
var typeArgs = targetedType.GetGenericArguments();
// Drop the proxy type if the arity does not match.
if (typeArgs.Length != underlyingProxy.GetGenericArguments().Length)
{
return(null);
}
// Substitute target type arguments for proxy type arguments.
var constructedProxy = underlyingProxy.Substitute(underlyingProxy, typeArgs);
proxyType = DkmClrType.Create(type.AppDomain, constructedProxy);
}
return(proxyType);
}
return(null);
}