示例#1
0
        public static void EvaluateOnBuiltIns(
            List <CSharpCompilation> compilations, Func <string, int, string> pathProcessor,
            TypeConstraints typeRelations, string results_path, bool deserializeClusters = false,
            string slnName = null)
        {
            Dictionary <string, Tuple <string, string> > serialisedClusters = new Dictionary <string, Tuple <string, string> >();

            void bootstrapSerialisedClusters()
            {
                serialisedClusters["BEPUphysics.sln"]           = new Tuple <string, string>(@"E:\bepuphysics1", @"F:\clusterings\bepuphysics-float.json");
                serialisedClusters["Microsoft.Bot.Builder.sln"] = new Tuple <string, string>(@"E:\BotBuilder\CSharp\", @"F:\clusterings\botbuilder-str.json");
                serialisedClusters["CommandLine.sln"]           = new Tuple <string, string>(@"E:\commandline\", @"F:\clusterings\commandline-str.json");
                serialisedClusters["CommonMark.sln"]            = new Tuple <string, string>(@"E:\CommonMark.NET\", @"F:\clusterings\commonmark-str.json");
                serialisedClusters["Hangfire.sln"]              = new Tuple <string, string>(@"E:\Hangfire\", @"F:\clusterings\hangfire-str.json");
                serialisedClusters["Humanizer.sln"]             = new Tuple <string, string>(@"E:\Humanizer\", @"F:\clusterings\humanizer-str.json");
                serialisedClusters["QuantConnect.Lean.sln"]     = new Tuple <string, string>(@"E:\Lean\", @"F:\clusterings\lean-str.json");
                serialisedClusters["Nancy.sln"]                 = new Tuple <string, string>(@"E:\Nancy\", @"F:\clusterings\nancy-str.json");
                serialisedClusters["Newtonsoft.Json.Net40.sln"] = new Tuple <string, string>(@"E:\Newtonsoft.Json\", @"F:\clusterings\newtonsoft-str.json");
                serialisedClusters["Ninject.sln"]               = new Tuple <string, string>(@"E:\Ninject\", @"F:\clusterings\ninject-str.json");
                serialisedClusters["NLog.sln"]      = new Tuple <string, string>(@"E:\NLog\", @"F:\clusterings\nlog-str.json");
                serialisedClusters["Quartz.sln"]    = new Tuple <string, string>(@"E:\quartznet\", @"F:\clusterings\quartznet-str.json");
                serialisedClusters["RavenDB.sln"]   = new Tuple <string, string>(@"E:\ravendb\", @"F:\clusterings\ravendb-str.json");
                serialisedClusters["RestSharp.sln"] = new Tuple <string, string>(@"E:\RestSharp\", @"F:\clusterings\restsharp-str.json");
                serialisedClusters["Wox.sln"]       = new Tuple <string, string>(@"E:\Wox\", @"F:\clusterings\wox-str.json");
            }

            bootstrapSerialisedClusters();

            string  typename  = "string";
            UDCTree hierarchy = null;

            foreach (var compilation in compilations)
            {
                ITypeSymbol t = compilation.GetTypeByMetadataName(typename);
                if (t != null)
                {
                    hierarchy = new UDCTree(t);
                    break;
                }
            }

            Rewriter r;

            if (deserializeClusters)
            {
                var serializedClustersFile = serialisedClusters[slnName].Item2;
                var repoPath           = serialisedClusters[slnName].Item1;
                RewriterFromJson rJson = new RewriterFromJson(serializedClustersFile, repoPath, typeRelations);
                r = new Rewriter(compilations, rJson.Clusters, rJson.AncestorMap, typename);
            }
            else
            {
                GodClassResults results = new GodClassResults(pathProcessor, typeRelations, results_path);
                results.startInference(hierarchy);
                r = new Rewriter(compilations, results.MiningResults.First().clusteringResult, results.MiningResults.First().ancestorMap, typename);
            }

            r.RewriteTypes();
            string errors = JsonConvert.SerializeObject(r.ErrorHistogram, Formatting.Indented);

            try
            {
                if (!Directory.Exists(results_path))
                {
                    Directory.CreateDirectory(results_path);
                }
            }
            catch (Exception ex)
            {
                Console.WriteLine(ex.ToString());
                System.Environment.Exit(-1);
            }

            System.IO.DirectoryInfo di = new DirectoryInfo(results_path);

            foreach (FileInfo f in di.GetFiles())
            {
                f.Delete();
            }
            foreach (DirectoryInfo dir in di.GetDirectories())
            {
                dir.Delete(true);
            }
            System.IO.StreamWriter file = new System.IO.StreamWriter(results_path + "/" + typename + "_rewriting_errors.txt");
            file.WriteLine(errors);
            file.Close();
        }
示例#2
0
        public static void ExtractFromSolution(string basePath, string githubBaseLink, Solution solution)
        {
            Func <string, int, string> pathProcessor = (fullPath, lineNumber) =>
            {
                var relativePath = fullPath.Substring(basePath.Length);
                return(githubBaseLink + relativePath.Replace('\\', '/') + "#L" + (lineNumber + 1));
            };


            Console.WriteLine("Collecting type constraint graph...");
            var typeRelations = new TypeConstraints(pathProcessor);

            var     projectGraph = solution.GetProjectDependencyGraph();
            UDCTree UDCHierarchy = new UDCTree();
            var     compilations = new List <CSharpCompilation>();

            foreach (var projectId in projectGraph.GetTopologicallySortedProjects())
            {
                Compilation compilation;
                try
                {
                    var project = solution.GetProject(projectId);
                    if (project.FilePath.ToLower().Contains("test") ||
                        !(project.FilePath.ToLower().EndsWith(".csproj")))
                    {
                        Console.WriteLine($"Excluding {project.FilePath} since it seems to be test-related");
                        continue;
                    }
                    compilation = project.GetCompilationAsync().Result;
                }
                catch (Exception ex)
                {
                    Console.WriteLine("Exception while compiling project {0}: {1}", projectId, ex);
                    continue;
                }
                if (compilation == null)
                {
                    continue;
                }
                foreach (var error in compilation.GetDiagnostics().Where(d => d.Severity == DiagnosticSeverity.Error))
                {
                    Console.WriteLine(error.GetMessage());
                }
                if (compilation is CSharpCompilation cSharpCompilation)
                {
                    UDCHierarchy.ParseTypesInCompilation(cSharpCompilation);
                    typeRelations.AddFromCompilation(cSharpCompilation);
                    compilations.Add(cSharpCompilation);
                }
            }

            //AnalysisType t = AnalysisType.TypeSpecificFlowClustering;

            var analysisTriggers = new List <AnalysisType> {
                //AnalysisType.UDCSanityCheck,
                //AnalysisType.TypeSpecificFlowClustering,
                AnalysisType.RewritingFromSerialization,
            };

            foreach (var i in analysisTriggers)
            {
                switch (i)
                {
                case AnalysisType.TypeSpecificFlowClustering:
                    var TSFresults_path = "results/" + "TypeSpecificClustering/" + basePath.Substring(basePath.LastIndexOf('\\') + 1);
                    Console.WriteLine("Starting coloring for name flows in individual user defined types...");
                    GodClassResults typeSpecificClustering = new GodClassResults(pathProcessor, typeRelations, TSFresults_path);
                    typeSpecificClustering.startTypeSpecificNameFlowInference(UDCHierarchy, 0);
                    break;

                case AnalysisType.UDCSanityCheck:
                    var sanityResults_path = "results/" + "UDCSanityCheck/" + basePath.Substring(basePath.LastIndexOf('\\') + 1);
                    Console.WriteLine("Starting coloring for sanity checking on user defined types...");
                    GodClassResults sanityCheck = new GodClassResults(pathProcessor, typeRelations, sanityResults_path);
                    sanityCheck.startConsolidatedInference(UDCHierarchy, 0);
                    break;

                case AnalysisType.Rewriting:
                    var rewritingResults_path = "results/" + "rewriting/" + basePath.Substring(basePath.LastIndexOf('\\') + 1);
                    Console.WriteLine("Starting rewriting of builtin type uses...");
                    EvaluateOnBuiltIns(compilations, pathProcessor, typeRelations, rewritingResults_path, false);
                    break;

                case AnalysisType.RewritingFromSerialization:
                    var rewritingFromSerializationResults_path = "results/" + "rewritingFromSerialised/" + basePath.Substring(basePath.LastIndexOf('\\') + 1);
                    Console.WriteLine("Starting rewriting of builtin type uses after reading in serilised clusterings...");
                    EvaluateOnBuiltIns(compilations, pathProcessor, typeRelations, rewritingFromSerializationResults_path, true,
                                       basePath.Substring(basePath.LastIndexOf('\\') + 1));
                    break;

                default:
                    break;
                }
            }
            Console.WriteLine("Done!");
        }