Ejemplo n.º 1
0
        private static bool ShouldRunAnalyzerForStateType(DiagnosticAnalyzer analyzer, StateType stateTypeId,
                                                          ImmutableHashSet <string> diagnosticIds = null, Func <DiagnosticAnalyzer, ImmutableArray <DiagnosticDescriptor> > getDescriptors = null)
        {
            // PERF: Don't query descriptors for compiler analyzer, always execute it for all state types.
            if (analyzer.IsCompilerAnalyzer())
            {
                return(true);
            }

            if (diagnosticIds != null && getDescriptors(analyzer).All(d => !diagnosticIds.Contains(d.Id)))
            {
                return(false);
            }

            switch (stateTypeId)
            {
            case StateType.Syntax:
                return(analyzer.SupportsSyntaxDiagnosticAnalysis());

            case StateType.Document:
                return(analyzer.SupportsSemanticDiagnosticAnalysis());

            case StateType.Project:
                return(analyzer.SupportsProjectDiagnosticAnalysis());

            default:
                throw ExceptionUtilities.Unreachable;
            }
        }
Ejemplo n.º 2
0
        private static bool ShouldRunAnalyzerForStateType(DiagnosticAnalyzerDriver driver, DiagnosticAnalyzer analyzer, StateType stateTypeId,
                                                          out bool supportsSemanticInSpan, ImmutableHashSet <string> diagnosticIds = null, Func <DiagnosticAnalyzer, ImmutableArray <DiagnosticDescriptor> > getDescriptor = null)
        {
            Debug.Assert(!driver.IsAnalyzerSuppressed(analyzer));

            supportsSemanticInSpan = false;
            if (diagnosticIds != null && getDescriptor(analyzer).All(d => !diagnosticIds.Contains(d.Id)))
            {
                return(false);
            }

            switch (stateTypeId)
            {
            case StateType.Syntax:
                return(analyzer.SupportsSyntaxDiagnosticAnalysis(driver));

            case StateType.Document:
                return(analyzer.SupportsSemanticDiagnosticAnalysis(driver, out supportsSemanticInSpan));

            case StateType.Project:
                return(analyzer.SupportsProjectDiagnosticAnalysis(driver));

            default:
                throw ExceptionUtilities.Unreachable;
            }
        }
        public async Task <IEnumerable <Diagnostic> > GetSyntaxDiagnosticsAsync(DiagnosticAnalyzer analyzer)
        {
            var compilation = _document.Project.SupportsCompilation ? await _document.Project.GetCompilationAsync(_cancellationToken).ConfigureAwait(false) : null;

            Contract.ThrowIfNull(_document);
            Contract.ThrowIfFalse(analyzer.SupportsSyntaxDiagnosticAnalysis(this));

            using (var pooledObject = SharedPools.Default <List <Diagnostic> >().GetPooledObject())
            {
                var diagnostics = pooledObject.Object;

                _cancellationToken.ThrowIfCancellationRequested();
                var documentAnalyzer = analyzer as DocumentDiagnosticAnalyzer;
                if (documentAnalyzer != null)
                {
                    try
                    {
                        await documentAnalyzer.AnalyzeSyntaxAsync(_document, diagnostics.Add, _cancellationToken).ConfigureAwait(false);

                        return(diagnostics.ToImmutableArrayOrEmpty());
                    }
                    catch (Exception e) when(CatchAnalyzerException(e, analyzer))
                    {
                        var exceptionDiagnostics = AnalyzerExceptionToDiagnostics(analyzer, e, _cancellationToken);

                        return(GetFilteredDocumentDiagnostics(exceptionDiagnostics, compilation).ToImmutableArray());
                    }
                }

                var analyzerActions = await this.GetAnalyzerActionsAsync(analyzer, diagnostics.Add).ConfigureAwait(false);

                DiagnosticAnalyzerLogger.UpdateAnalyzerTypeCount(analyzer, analyzerActions, (DiagnosticLogAggregator)_logAggregator);

                if (analyzerActions != null)
                {
                    if (_document.SupportsSyntaxTree)
                    {
                        AnalyzerDriverHelper.ExecuteSyntaxTreeActions(analyzerActions, _root.SyntaxTree,
                                                                      _analyzerOptions, diagnostics.Add, CatchAnalyzerException, _cancellationToken);
                    }
                }

                if (diagnostics.Count == 0)
                {
                    return(SpecializedCollections.EmptyEnumerable <Diagnostic>());
                }

                return(GetFilteredDocumentDiagnostics(diagnostics, compilation).ToImmutableArray());
            }
        }
        private bool SupportAnalysisKind(DiagnosticAnalyzer analyzer, string language, AnalysisKind kind)
        {
            // compiler diagnostic analyzer always support all kinds
            if (HostAnalyzerManager.IsCompilerDiagnosticAnalyzer(language, analyzer))
            {
                return true;
            }

            switch (kind)
            {
                case AnalysisKind.Syntax:
                    return analyzer.SupportsSyntaxDiagnosticAnalysis();
                case AnalysisKind.Semantic:
                    return analyzer.SupportsSemanticDiagnosticAnalysis();
                default:
                    return Contract.FailWithReturn<bool>("shouldn't reach here");
            }
        }
        private bool SupportAnalysisKind(DiagnosticAnalyzer analyzer, string language, AnalysisKind kind)
        {
            // compiler diagnostic analyzer always support all kinds
            if (HostAnalyzerManager.IsCompilerDiagnosticAnalyzer(language, analyzer))
            {
                return(true);
            }

            switch (kind)
            {
            case AnalysisKind.Syntax:
                return(analyzer.SupportsSyntaxDiagnosticAnalysis());

            case AnalysisKind.Semantic:
                return(analyzer.SupportsSemanticDiagnosticAnalysis());

            default:
                return(Contract.FailWithReturn <bool>("shouldn't reach here"));
            }
        }
        private static bool ShouldRunAnalyzerForStateType(DiagnosticAnalyzer analyzer, StateType stateTypeId,
            ImmutableHashSet<string> diagnosticIds = null, Func<DiagnosticAnalyzer, ImmutableArray<DiagnosticDescriptor>> getDescriptors = null)
        {
            if (diagnosticIds != null && getDescriptors(analyzer).All(d => !diagnosticIds.Contains(d.Id)))
            {
                return false;
            }

            switch (stateTypeId)
            {
                case StateType.Syntax:
                    return analyzer.SupportsSyntaxDiagnosticAnalysis();

                case StateType.Document:
                    return analyzer.SupportsSemanticDiagnosticAnalysis();

                case StateType.Project:
                    return analyzer.SupportsProjectDiagnosticAnalysis();

                default:
                    throw ExceptionUtilities.Unreachable;
            }
        }
        private static bool ShouldRunProviderForStateType(StateType stateTypeId, DiagnosticAnalyzer provider, DiagnosticAnalyzerDriver driver,
            out bool supportsSemanticInSpan, ImmutableHashSet<string> diagnosticIds = null, Func<DiagnosticAnalyzer, ImmutableArray<DiagnosticDescriptor>> getDescriptor = null)
        {
            Debug.Assert(!IsAnalyzerSuppressed(provider, driver.Project.CompilationOptions, driver));

            supportsSemanticInSpan = false;
            if (diagnosticIds != null && getDescriptor(provider).All(d => !diagnosticIds.Contains(d.Id)))
            {
                return false;
            }

            switch (stateTypeId)
            {
                case StateType.Syntax:
                    return provider.SupportsSyntaxDiagnosticAnalysis(driver);

                case StateType.Document:
                    return provider.SupportsSemanticDiagnosticAnalysis(driver, out supportsSemanticInSpan);

                case StateType.Project:
                    return provider.SupportsProjectDiagnosticAnalysis(driver);

                default:
                    throw ExceptionUtilities.Unreachable;
            }
        }
Ejemplo n.º 8
0
        public async Task<IEnumerable<Diagnostic>> GetSyntaxDiagnosticsAsync(DiagnosticAnalyzer analyzer)
        {
            var compilation = _document.Project.SupportsCompilation ? await _document.Project.GetCompilationAsync(_cancellationToken).ConfigureAwait(false) : null;

            Contract.ThrowIfNull(_document);
            Contract.ThrowIfFalse(analyzer.SupportsSyntaxDiagnosticAnalysis(this));

            using (var pooledObject = SharedPools.Default<List<Diagnostic>>().GetPooledObject())
            {
                var diagnostics = pooledObject.Object;

                _cancellationToken.ThrowIfCancellationRequested();
                var documentAnalyzer = analyzer as DocumentDiagnosticAnalyzer;
                if (documentAnalyzer != null)
                {
                    try
                    {
                        await documentAnalyzer.AnalyzeSyntaxAsync(_document, diagnostics.Add, _cancellationToken).ConfigureAwait(false);
                        return diagnostics.ToImmutableArrayOrEmpty();
                    }
                    catch (Exception e) when(CatchAnalyzerException(e, analyzer))
                    {
                        var exceptionDiagnostics = AnalyzerExceptionToDiagnostics(analyzer, e, _cancellationToken);
                        return GetFilteredDocumentDiagnostics(exceptionDiagnostics, compilation).ToImmutableArray();
                    }
                    }

                    var analyzerActions = await this.GetAnalyzerActionsAsync(analyzer, diagnostics.Add).ConfigureAwait(false);

                    DiagnosticAnalyzerLogger.UpdateAnalyzerTypeCount(analyzer, analyzerActions, (DiagnosticLogAggregator)_logAggregator);

                    if (analyzerActions != null)
                    {
                        if (_document.SupportsSyntaxTree)
                        {
                            AnalyzerDriverHelper.ExecuteSyntaxTreeActions(analyzerActions, _root.SyntaxTree,
                                    _analyzerOptions, diagnostics.Add, CatchAnalyzerException, _cancellationToken);
                        }
                    }

                    if (diagnostics.Count == 0)
                    {
                        return SpecializedCollections.EmptyEnumerable<Diagnostic>();
                    }

                    return GetFilteredDocumentDiagnostics(diagnostics, compilation).ToImmutableArray();
                }
            }