public static void Analyze(SyntaxNodeAnalysisContext context, GenericNameSyntax genericName)
{
if (!genericName.IsParentKind(SyntaxKind.QualifiedName, SyntaxKind.UsingDirective))
{
TypeArgumentListSyntax typeArgumentList = genericName.TypeArgumentList;
if (typeArgumentList != null)
{
SeparatedSyntaxList <TypeSyntax> arguments = typeArgumentList.Arguments;
if (arguments.Count == 1 &&
!arguments[0].IsKind(SyntaxKind.OmittedTypeArgument))
{
var namedTypeSymbol = context.SemanticModel.GetSymbol(genericName, context.CancellationToken) as INamedTypeSymbol;
if (namedTypeSymbol?.IsConstructedFrom(SpecialType.System_Nullable_T) == true)
{
context.ReportDiagnostic(
DiagnosticDescriptors.SimplifyNullableOfT,
genericName.GetLocation());
}
}
}
}
}
private static void CheckGenericName(SyntaxNodeAnalysisContext context, GenericNameSyntax genericNameSyntax, Location reportLocation)
{
if (IsValueTuple(context, genericNameSyntax))
{
var location = reportLocation ?? genericNameSyntax.GetLocation();
context.ReportDiagnostic(Diagnostic.Create(Descriptor, location));
// only report a single diagnostic for a type.
return;
}
foreach (var typeArgument in genericNameSyntax.TypeArgumentList.Arguments)
{
CheckType(context, typeArgument);
}
}
