public void Initialize(Action <Action <SyntaxNodeAnalysisContext>, ImmutableArray <SyntaxKind> > registerSyntaxNodeAction)
{
registerSyntaxNodeAction(context => { context.ReportDiagnostic(CodeAnalysis.Diagnostic.Create(Desciptor2, Location.None)); },
ImmutableArray.Create(SyntaxKind.EqualsValueClause));
registerSyntaxNodeAction(context => { context.ReportDiagnostic(CodeAnalysis.Diagnostic.Create(Desciptor3, Location.None)); },
ImmutableArray.Create(SyntaxKind.BaseConstructorInitializer));
registerSyntaxNodeAction(context =>
{
var descriptor = default(DiagnosticDescriptor);
switch (CSharpExtensions.Kind(context.Node.Parent))
{
case SyntaxKind.PropertyDeclaration:
descriptor = Desciptor4;
break;
case SyntaxKind.IndexerDeclaration:
descriptor = Desciptor5;
break;
default:
descriptor = Desciptor6;
break;
}
context.ReportDiagnostic(CodeAnalysis.Diagnostic.Create(descriptor, Location.None));
}, ImmutableArray.Create(SyntaxKind.ArrowExpressionClause));
}
public void Bug871896()
{
string source = @"
using System.Threading;
using System.Threading.Tasks;
class TestDataPointBase
{
private readonly IVisualStudioIntegrationService integrationService;
protected void TryGetDocumentId(CancellationToken token)
{
DocumentId documentId = null;
if (!await Task.Run(() => this.integrationService.TryGetDocumentId(null, out documentId), token).ConfigureAwait(false))
{
}
}
}
";
var compilation = CreateCompilationWithMscorlibAndSystemCore(source);
var tree = compilation.SyntaxTrees.Single();
var model = compilation.GetSemanticModel(tree);
var oReference =
tree
.GetCompilationUnitRoot()
.DescendantNodes()
.OfType <ExpressionSyntax>()
.OrderByDescending(s => s.SpanStart);
foreach (var name in oReference)
{
CSharpExtensions.GetSymbolInfo(model, name);
}
// We shoudl get a bunch of errors, but no asserts.
compilation.VerifyDiagnostics(
// (6,22): error CS0246: The type or namespace name 'IVisualStudioIntegrationService' could not be found (are you missing a using directive or an assembly reference?)
// private readonly IVisualStudioIntegrationService integrationService;
Diagnostic(ErrorCode.ERR_SingleTypeNameNotFound, "IVisualStudioIntegrationService").WithArguments("IVisualStudioIntegrationService").WithLocation(6, 22),
// (9,9): error CS0246: The type or namespace name 'DocumentId' could not be found (are you missing a using directive or an assembly reference?)
// DocumentId documentId = null;
Diagnostic(ErrorCode.ERR_SingleTypeNameNotFound, "DocumentId").WithArguments("DocumentId").WithLocation(9, 9),
// (10,25): error CS0117: 'System.Threading.Tasks.Task' does not contain a definition for 'Run'
// if (!await Task.Run(() => this.integrationService.TryGetDocumentId(null, out documentId), token).ConfigureAwait(false))
Diagnostic(ErrorCode.ERR_NoSuchMember, "Run").WithArguments("System.Threading.Tasks.Task", "Run").WithLocation(10, 25),
// (10,14): error CS4033: The 'await' operator can only be used within an async method. Consider marking this method with the 'async' modifier and changing its return type to 'Task'.
// if (!await Task.Run(() => this.integrationService.TryGetDocumentId(null, out documentId), token).ConfigureAwait(false))
Diagnostic(ErrorCode.ERR_BadAwaitWithoutVoidAsyncMethod, "await Task.Run(() => this.integrationService.TryGetDocumentId(null, out documentId), token).ConfigureAwait(false)").WithLocation(10, 14),
// (6,54): warning CS0649: Field 'TestDataPointBase.integrationService' is never assigned to, and will always have its default value null
// private readonly IVisualStudioIntegrationService integrationService;
Diagnostic(ErrorCode.WRN_UnassignedInternalField, "integrationService").WithArguments("TestDataPointBase.integrationService", "null").WithLocation(6, 54)
);
}
public static IMetadataExtractor GetExtractor(string extension)
{
if (CSharpExtensions.Contains(extension))
{
return(new CSharpMetadataExtractor());
}
else if (VisualBasicExtensions.Contains(extension))
{
throw new Exception($"Visual Basic is not yet supported by {nameof(Skaf)}");
}
throw new Exception($"The extension '{extension}' was unrecognized.");
}
