public ISet <CSharpType> GetDerivedTypes(CSharpTypeIdentifier typeId)
{
ISet <CSharpType> result = new HashSet <CSharpType>();
foreach (Compilation compilation in AllProjects)
{
CSharpType baseType = compilation.ResolveTypeIdentifier(typeId);
if (baseType == null)
{
continue;
}
BaseTypeCollector collector = baseType.IsInterface ? GetBaseInterfaceCollector() : GetBaseClassCollector();
foreach (CSharpType type in compilation.MainAssembly.Types)
{
// an interface can't be derived from a class
if (type.IsInterface && !baseType.IsInterface)
{
continue;
}
var baseTypes = collector.GetBaseTypes(type);
if (baseTypes.Contains(baseType))
{
result.Add(type);
}
}
}
return(result);
}
