static void GenerateFacts(ClassAndMethodVisitor visitor)
        {
            StreamWriter tacLogSW     = new StreamWriter(Path.Combine(ConfigParams.LogDir, "tac_log.txt"));
            StreamWriter factGenLogSW = new StreamWriter(Path.Combine(ConfigParams.LogDir, "factgen_log.txt"));

            factGen = new FactGenerator(tacLogSW, factGenLogSW);

            factGen.classes           = rtaAnalyzer.classes;
            factGen.methods           = rtaAnalyzer.methods;
            factGen.types             = rtaAnalyzer.types;
            factGen.allocClasses      = rtaAnalyzer.allocClasses;
            factGen.entryPtMethods    = rtaAnalyzer.entryPtMethods;
            factGen.addrTakenInstFlds = rtaAnalyzer.addrTakenInstFlds;
            factGen.addrTakenStatFlds = rtaAnalyzer.addrTakenStatFlds;
            factGen.addrTakenMethods  = rtaAnalyzer.addrTakenMethods;
            factGen.addrTakenLocals   = rtaAnalyzer.addrTakenLocals;

            factGen.GenerateTypeAndMethodFacts();
            factGen.GenerateChaFacts();
            visitor.SetupRTAAnalyzer(null);
            visitor.SetupFactGenerator(factGen);
            foreach (ITypeDefinition ty in rtaAnalyzer.classes)
            {
                visitor.Traverse(ty);
            }
            factGen.CheckDomX();
            tacLogSW.Close();
        }
        static void DoRTA(IMetadataHost host, ClassAndMethodVisitor visitor, IModule rootModule, IModule stubsModule)
        {
            bool rootIsExe = false;

            if (rootModule.Kind == ModuleKind.ConsoleApplication)
            {
                rootIsExe = true;
            }
            StreamWriter rtaLogSW = new StreamWriter(Path.Combine(ConfigParams.LogDir, "rta_log.txt"));

            rtaAnalyzer = new RTAAnalyzer(rootIsExe, rtaLogSW, host);
            visitor.SetupRTAAnalyzer(rtaAnalyzer);
            Stubber.SetupRTAAnalyzer(rtaAnalyzer);
            Stubs.SetupInternFactory(host.InternFactory);
            GenericMethods.SetupInternFactory(host.InternFactory);
            Stubs.SetupStubs(stubsModule);

            bool diskLoadSuccessful = false;

            if (ConfigParams.LoadSavedScope)
            {
                diskLoadSuccessful = rtaAnalyzer.LoadSavedScope(host);
            }
            if (!diskLoadSuccessful)
            {
                Initialize(rtaAnalyzer.classes, rtaAnalyzer.entryPtClasses, rootModule, rootIsExe);
            }

            int  iterationCount = 0;
            bool changeInCount = true;
            int  startClassCnt, startMethCnt;

            while (changeInCount)
            {
                rtaLogSW.WriteLine();
                rtaLogSW.WriteLine("Starting RTA ITERATION:{0}", iterationCount);
                startClassCnt = rtaAnalyzer.classes.Count;
                startMethCnt  = rtaAnalyzer.methods.Count;
                rtaLogSW.WriteLine("Counts: classes:{0}   methods:{1}", startClassCnt, startMethCnt);
                rtaAnalyzer.classWorkList.Clear();
                rtaAnalyzer.visitedClasses.Clear();
                rtaAnalyzer.ignoredClasses.Clear();
                rtaAnalyzer.visitedMethods.Clear();
                rtaAnalyzer.ignoredMethods.Clear();
                CopyAll(rtaAnalyzer.classes, rtaAnalyzer.classWorkList);
                while (rtaAnalyzer.classWorkList.Count > 0)
                {
                    ITypeDefinition ty = rtaAnalyzer.classWorkList.First <ITypeDefinition>();
                    rtaAnalyzer.classWorkList.RemoveAt(0);
                    visitor.Traverse(ty);
                }
                if (rtaAnalyzer.classes.Count == startClassCnt && rtaAnalyzer.methods.Count == startMethCnt)
                {
                    changeInCount = false;
                }
                iterationCount++;
            }
            Copy(rtaAnalyzer.allocClasses, rtaAnalyzer.classes);
            rtaLogSW.WriteLine();
            rtaLogSW.WriteLine();
            foreach (IMethodDefinition m in rtaAnalyzer.methods)
            {
                rtaLogSW.WriteLine(m.FullName());
            }
            rtaLogSW.WriteLine();
            rtaLogSW.WriteLine();
            foreach (IMethodDefinition m in rtaAnalyzer.entryPtMethods)
            {
                rtaLogSW.WriteLine(m.FullName());
            }
            rtaLogSW.WriteLine();
            rtaLogSW.WriteLine();
            foreach (ITypeDefinition cl in rtaAnalyzer.classes)
            {
                rtaLogSW.WriteLine(cl.FullName());
            }

            rtaLogSW.WriteLine();
            rtaLogSW.WriteLine("ALLOC CLASSES");
            foreach (ITypeDefinition cl in rtaAnalyzer.allocClasses)
            {
                rtaLogSW.WriteLine(cl.FullName());
            }
            rtaLogSW.WriteLine("+++++++++++++++ RTA DONE ++++++++++++++++++");

            if (!diskLoadSuccessful)
            {
                rtaAnalyzer.SaveScope(host);
            }
            rtaLogSW.Close();
        }