public static async Task AddMissingNamespacesAsync(this DocumentEditor editor, NamespaceSet namespaces,
Compilation compilation, INamespaceSymbol containingNamespace, SyntaxTree syntaxTree, SemanticModel semanticModel, CancellationToken ct)
{
namespaces = new NamespaceSet(namespaces); // Make a copy because namespaces is a input parameter
namespaces.ExceptWith(containingNamespace.GetImplicitlyImportedNamespaces());
if (namespaces.Count == 0)
{
return;
}
var globalImports = compilation.GetGlobalImports().ToArray();
if (globalImports.Length > 0)
{
namespaces.RemoveWhere(x => globalImports.Contains(x.ToDisplayString()));
}
var importedNamespaces = ImportedNamespace.GetImportedNamespaces(syntaxTree, semanticModel);
await editor.AddMissingNamespaces(namespaces, importedNamespaces, ImportedNamespace.GetAddFunc(semanticModel.Language), ct);
}