private async Task <SyntaxNode> ExtractTypeAsync(Document document, CompilationUnitSyntax root, TypeDeclarationSyntax typeDecl, CancellationToken cancellationToken)
{
var semanticModel = await document.GetSemanticModelAsync(cancellationToken).ConfigureAwait(false);
var typeSymbol = semanticModel.GetDeclaredSymbol(typeDecl, cancellationToken);
var child = typeDecl
.Ancestors()
.OfType <NamespaceDeclarationSyntax>()
.Aggregate(
(MemberDeclarationSyntax)typeDecl,
(acc, nsDecl) => nsDecl.WithMembers(SyntaxFactory.List(new MemberDeclarationSyntax[] { acc })));
return(root.WithMembers(SyntaxFactory.List(new[] { child })));
}
public static string GetNamespace(Compilation compilation, TypeDeclarationSyntax type)
{
var space = type.Ancestors().OfType <NamespaceDeclarationSyntax>().FirstOrDefault();
var model = compilation.GetSemanticModel(space.SyntaxTree);
var symbol = model.GetDeclaredSymbol(space) as INamespaceSymbol;
var names = new List <string>();
do
{
names.Insert(0, symbol.Name);
symbol = symbol.ContainingNamespace;
} while (symbol.ContainingNamespace != null);
return(string.Join(".", names));
}
public static string?GetNamespace(this TypeDeclarationSyntax typeDeclarationSyntax) => typeDeclarationSyntax .Ancestors() .OfType <NamespaceDeclarationSyntax>() .FirstOrDefault() ?.Name .ToString();