internal override NamedTypeSymbol TryLookupForwardedMetadataTypeWithCycleDetection(ref MetadataTypeName emittedName, ConsList <AssemblySymbol> visitedAssemblies)
{
// Check if it is a forwarded type.
var forwardedToAssembly = LookupAssemblyForForwardedMetadataType(ref emittedName);
if ((object)forwardedToAssembly != null)
{
// Don't bother to check the forwarded-to assembly if we've already seen it.
if (visitedAssemblies != null && visitedAssemblies.Contains(forwardedToAssembly))
{
return(CreateCycleInTypeForwarderErrorTypeSymbol(ref emittedName));
}
else
{
visitedAssemblies = new ConsList <AssemblySymbol>(this, visitedAssemblies ?? ConsList <AssemblySymbol> .Empty);
return(forwardedToAssembly.LookupTopLevelMetadataTypeWithCycleDetection(ref emittedName, visitedAssemblies, digThroughForwardedTypes: true));
}
}
return(null);
}
internal override NamedTypeSymbol TryLookupForwardedMetadataTypeWithCycleDetection(ref MetadataTypeName emittedName, ConsList<AssemblySymbol> visitedAssemblies)
{
// Check if it is a forwarded type.
var forwardedToAssembly = LookupAssemblyForForwardedMetadataType(ref emittedName);
if ((object)forwardedToAssembly != null)
{
// Don't bother to check the forwarded-to assembly if we've already seen it.
if (visitedAssemblies != null && visitedAssemblies.Contains(forwardedToAssembly))
{
return CreateCycleInTypeForwarderErrorTypeSymbol(ref emittedName);
}
else
{
visitedAssemblies = new ConsList<AssemblySymbol>(this, visitedAssemblies ?? ConsList<AssemblySymbol>.Empty);
return forwardedToAssembly.LookupTopLevelMetadataTypeWithCycleDetection(ref emittedName, visitedAssemblies, digThroughForwardedTypes: true);
}
}
return null;
}