private static void Handle(SyntaxNodeAnalysisContext context)
{
if (!context.IsExcludedFromAnalysis() &&
context.Node is ObjectCreationExpressionSyntax objectCreation)
{
if (context.SemanticModel.TryGetType(objectCreation, context.CancellationToken, out var type) &&
type.IsAssignableTo(KnownSymbol.HttpClient, context.Compilation) &&
!IsStaticFieldInitializer(objectCreation) &&
!IsStaticPropertyInitializer(objectCreation) &&
!IsStaticCtor(context.ContainingSymbol))
{
context.ReportDiagnostic(Diagnostic.Create(IDISP014UseSingleInstanceOfHttpClient.Descriptor, objectCreation.GetLocation()));
}
if (Disposable.IsCreation(objectCreation, context.SemanticModel, context.CancellationToken).IsEither(Result.Yes, Result.AssumeYes) &&
Disposable.IsIgnored(objectCreation, context.SemanticModel, context.CancellationToken))
{
context.ReportDiagnostic(Diagnostic.Create(IDISP004DontIgnoreCreated.Descriptor, context.Node.GetLocation()));
}
}
}
private static void Handle(SyntaxNodeAnalysisContext context)
{
if (context.IsExcludedFromAnalysis())
{
return;
}
if (context.Node is InvocationExpressionSyntax invocation &&
Disposable.IsCreation(invocation, context.SemanticModel, context.CancellationToken).IsEither(Result.Yes, Result.AssumeYes) &&
Disposable.IsIgnored(invocation, context.SemanticModel, context.CancellationToken))
{
context.ReportDiagnostic(Diagnostic.Create(Descriptor, context.Node.GetLocation()));
}
if (context.Node is MemberAccessExpressionSyntax memberAccess &&
context.SemanticModel.TryGetSymbol(memberAccess.Expression, context.CancellationToken, out IPropertySymbol property) &&
Disposable.IsPotentiallyAssignableFrom(property.Type, context.Compilation) &&
Disposable.IsCreation(memberAccess.Expression, context.SemanticModel, context.CancellationToken).IsEither(Result.Yes, Result.AssumeYes) &&
Disposable.IsIgnored(memberAccess.Expression, context.SemanticModel, context.CancellationToken))
{
context.ReportDiagnostic(Diagnostic.Create(Descriptor, context.Node.GetLocation()));
}
}
