private ProjectAnalysisResult AnalyzeProject( string project, List <AnalyzerResult> analyzers) { try { var invocationsMethodSignatures = new HashSet <string>(); using var analyzer = analyzers.Find((a) => a.ProjectResult?.ProjectFilePath != null && a.ProjectResult.ProjectFilePath.Equals(project)); if (analyzer == null || analyzer.ProjectResult == null) { _logger.LogError("Unable to build {0}.", project); return(null); } var sourceFileToInvocations = analyzer.ProjectResult.SourceFileResults.Select((sourceFile) => { var invocationsInSourceFile = sourceFile.AllInvocationExpressions(); _logger.LogInformation("API: SourceFile {0} has {1} invocations pre-filter", sourceFile.FileFullPath, invocationsInSourceFile.Count()); return(KeyValuePair.Create(sourceFile.FileFullPath, invocationsInSourceFile)); }).ToDictionary(p => p.Key, p => p.Value); var sourceFileToCodeEntityDetails = InvocationExpressionModelToInvocations.Convert(sourceFileToInvocations, analyzer); var namespaces = sourceFileToCodeEntityDetails.Aggregate(new HashSet <string>(), (agg, cur) => { agg.UnionWith(cur.Value.Select(i => i.Namespace).Where(i => i != null)); return(agg); }); var targetframeworks = analyzer.ProjectResult.TargetFrameworks.Count == 0 ? new List <string> { analyzer.ProjectResult.TargetFramework } : analyzer.ProjectResult.TargetFrameworks; var ProjectReferences = analyzer.ProjectResult.ExternalReferences.ProjectReferences.Count == 0 ? new List <string>() : analyzer.ProjectResult.ExternalReferences.ProjectReferences.Select(p => p.AssemblyLocation).ToList(); var nugetPackages = analyzer.ProjectResult.ExternalReferences.NugetReferences .Select(r => InvocationExpressionModelToInvocations.ReferenceToPackageVersionPair(r)) .ToHashSet(); var subDependencies = analyzer.ProjectResult.ExternalReferences.NugetDependencies .Select(r => InvocationExpressionModelToInvocations.ReferenceToPackageVersionPair(r)) .ToHashSet(); var sdkPackages = namespaces.Select(n => new PackageVersionPair { PackageId = n, Version = "0.0.0", PackageSourceType = PackageSourceType.SDK }); var allPackages = nugetPackages .Union(subDependencies) .Union(sdkPackages) .ToList(); var packageResults = _handler.GetNugetPackages(allPackages, null); var recommendationResults = _recommendationHandler.GetApiRecommendation(namespaces.ToList()); var packageAnalysisResults = nugetPackages.Select(package => { var result = PackageCompatibility.isCompatibleAsync(packageResults.GetValueOrDefault(package, null), package, _logger); var packageAnalysisResult = PackageCompatibility.GetPackageAnalysisResult(result, package); return(new Tuple <PackageVersionPair, Task <PackageAnalysisResult> >(package, packageAnalysisResult)); }).ToDictionary(t => t.Item1, t => t.Item2); var SourceFileAnalysisResults = InvocationExpressionModelToInvocations.AnalyzeResults( sourceFileToCodeEntityDetails, packageResults, recommendationResults); return(new ProjectAnalysisResult { ProjectName = analyzer.ProjectResult.ProjectName, ProjectFilePath = analyzer.ProjectResult.ProjectFilePath, TargetFrameworks = targetframeworks, PackageReferences = nugetPackages.ToList(), ProjectReferences = analyzer.ProjectResult.ExternalReferences.ProjectReferences.Select(p => new ProjectReference { ReferencePath = p.AssemblyLocation }).ToList(), PackageAnalysisResults = packageAnalysisResults, IsBuildFailed = analyzer.ProjectResult.IsBuildFailed(), Errors = analyzer.ProjectResult.BuildErrors, ProjectGuid = analyzer.ProjectResult.ProjectGuid, ProjectType = analyzer.ProjectResult.ProjectType, SourceFileAnalysisResults = SourceFileAnalysisResults }); } catch (Exception ex) { _logger.LogError("Error while analyzing {0}, {1}", project, ex); return(new ProjectAnalysisResult { ProjectName = Path.GetFileNameWithoutExtension(project), ProjectFilePath = project, TargetFrameworks = new List <string>(), PackageReferences = new List <PackageVersionPair>(), ProjectReferences = new List <ProjectReference>(), PackageAnalysisResults = new Dictionary <PackageVersionPair, Task <PackageAnalysisResult> >(), IsBuildFailed = true, Errors = new List <string> { string.Format("Error while analyzing {0}, {1}", project, ex) }, ProjectGuid = null, ProjectType = null, SourceFileAnalysisResults = new List <SourceFileAnalysisResult>() }); } }