public TestDiagnosticAnalyzerDriver(Project project, ImmutableArray<DiagnosticAnalyzer> workspaceAnalyzers, Action<Exception, DiagnosticAnalyzer, Diagnostic> onAnalyzerException = null, bool logAnalyzerExceptionAsDiagnostics = false) { _workspaceAnalyzers = workspaceAnalyzers; _exceptionDiagnosticsSource = new TestHostDiagnosticUpdateSource(project.Solution.Workspace); _diagnosticAnalyzerService = new TestDiagnosticAnalyzerService(project.Language, workspaceAnalyzers, _exceptionDiagnosticsSource, onAnalyzerException); _incrementalAnalyzer = _diagnosticAnalyzerService.CreateIncrementalAnalyzer(project.Solution.Workspace); // If the test is not configured with a custom onAnalyzerException handler AND has not requested exceptions to be handled and logged as diagnostics, then FailFast on exceptions. if (onAnalyzerException == null && !logAnalyzerExceptionAsDiagnostics) { onAnalyzerException = DiagnosticExtensions.FailFastOnAnalyzerException; } _onAnalyzerException = onAnalyzerException; }
private static IEnumerable<Diagnostic> GetDiagnostics(DiagnosticAnalyzer workspaceAnalyzerOpt, Document document, TextSpan span, Project project, bool getDocumentDiagnostics, bool getProjectDiagnostics, Action<Exception, DiagnosticAnalyzer, Diagnostic> onAnalyzerException, bool logAnalyzerExceptionAsDiagnostics) { var documentDiagnostics = SpecializedCollections.EmptyEnumerable<Diagnostic>(); var projectDiagnostics = SpecializedCollections.EmptyEnumerable<Diagnostic>(); // If no user diagnostic analyzer, then test compiler diagnostics. var workspaceAnalyzer = workspaceAnalyzerOpt ?? DiagnosticExtensions.GetCompilerDiagnosticAnalyzer(project.Language); // If the test is not configured with a custom onAnalyzerException handler AND has not requested exceptions to be handled and logged as diagnostics, then FailFast on exceptions. if (onAnalyzerException == null && !logAnalyzerExceptionAsDiagnostics) { onAnalyzerException = DiagnosticExtensions.FailFastOnAnalyzerException; } var exceptionDiagnosticsSource = new TestHostDiagnosticUpdateSource(project.Solution.Workspace); var analyzerService = new TestDiagnosticAnalyzerService(project.Language, workspaceAnalyzer, exceptionDiagnosticsSource, onAnalyzerException); var incrementalAnalyzer = analyzerService.CreateIncrementalAnalyzer(project.Solution.Workspace); if (getDocumentDiagnostics) { var tree = document.GetSyntaxTreeAsync().Result; var root = tree.GetRoot(); var dxs = analyzerService.GetDiagnosticsAsync(project.Solution, project.Id, document.Id).WaitAndGetResult(CancellationToken.None); documentDiagnostics = dxs.Where(d => d.HasTextSpan && d.TextSpan.IntersectsWith(span)).Select(d => d.ToDiagnostic(tree)); } if (getProjectDiagnostics) { var dxs = analyzerService.GetDiagnosticsAsync(project.Solution, project.Id).WaitAndGetResult(CancellationToken.None); projectDiagnostics = dxs.Where(d => !d.HasTextSpan).Select(d => d.ToDiagnostic(tree: null)); } var exceptionDiagnostics = exceptionDiagnosticsSource.TestOnly_GetReportedDiagnostics(workspaceAnalyzer).Select(d => d.ToDiagnostic(tree: null)); return documentDiagnostics.Concat(projectDiagnostics).Concat(exceptionDiagnostics); }