/// <summary> /// Wraps a call to GetTypeContractFor inside of a try-catch statement. /// </summary> public static bool TryGetTypeContract(CodeContractAwareHostEnvironment host, ITypeReference type, out ITypeContract typeContract, DocTracker docTracker) { Contract.Requires(host != null); Contract.Requires(type != null); Contract.Ensures(!Contract.Result<bool>() || Contract.ValueAtReturn(out typeContract) != null); try { var unit = TypeHelper.GetDefiningUnit(type.ResolvedType); if (unit == null) { typeContract = null; } else { IContractProvider lcp = host.GetContractExtractor(unit.UnitIdentity); if (lcp == null) { typeContract = null; } else { typeContract = lcp.GetTypeContractFor(type); } } } catch (NullReferenceException) { docTracker.WriteLine("ERROR: NullReferenceException was thrown in CCI!"); typeContract = null; } return typeContract != null; }
public static Bpl.Program/*?*/ TranslateAssembly(List<string> assemblyNames, HeapFactory heapFactory, Options options, List<Regex> exemptionList, bool whiteList) { Contract.Requires(assemblyNames != null); Contract.Requires(heapFactory != null); var libPaths = options.libpaths; var wholeProgram = options.wholeProgram; var/*?*/ stubAssemblies = options.stub; var phoneControlsConfigFile = options.phoneControls; var doPhoneNav = options.phoneNavigationCode; var doPhoneFeedback = options.phoneFeedbackCode; var host = new CodeContractAwareHostEnvironment(libPaths != null ? libPaths : Enumerable<string>.Empty, true, true); Host = host; Bpl.CommandLineOptions.Install(new Bpl.CommandLineOptions()); #region Assemlies to translate (via cmd line) modules = new List<IModule>(); var contractExtractors = new Dictionary<IUnit, IContractProvider>(); var pdbReaders = new Dictionary<IUnit, PdbReader>(); #region Load *all* of the assemblies before doing anything else so that they can all vote on unification matters foreach (var a in assemblyNames) { var module = host.LoadUnitFrom(a) as IModule; if (module == null || module == Dummy.Module || module == Dummy.Assembly) { Console.WriteLine(a + " is not a PE file containing a CLR module or assembly, or an error occurred when loading it."); Console.WriteLine("Skipping it, continuing with other input assemblies"); continue; } modules.Add(module); } #endregion #region Decompile all of the assemblies var decompiledModules = new List<IModule>(); foreach (var m in modules) { PdbReader/*?*/ pdbReader = null; string pdbFile = Path.ChangeExtension(m.Location, "pdb"); if (File.Exists(pdbFile)) { Stream pdbStream = File.OpenRead(pdbFile); pdbReader = new PdbReader(pdbStream, host); } var m2 = Decompiler.GetCodeModelFromMetadataModel(host, m, pdbReader, DecompilerOptions.Unstack) as IModule; // The decompiler does not turn calls to Assert/Assume into Code Model nodes m2 = new Microsoft.Cci.MutableContracts.ContractExtractor.AssertAssumeExtractor(host, pdbReader).Rewrite(m2); decompiledModules.Add(m2); host.RegisterAsLatest(m2); contractExtractors.Add(m2, host.GetContractExtractor(m2.UnitIdentity)); pdbReaders.Add(m2, pdbReader); } modules = decompiledModules; #endregion #endregion #region Assemblies to translate (stubs) if (stubAssemblies != null) { foreach (var s in stubAssemblies) { var module = host.LoadUnitFrom(s) as IModule; if (module == null || module == Dummy.Module || module == Dummy.Assembly) { Console.WriteLine(s + " is not a PE file containing a CLR module or assembly, or an error occurred when loading it."); Console.WriteLine("Skipping it, continuing with other input assemblies"); } PdbReader/*?*/ pdbReader = null; string pdbFile = Path.ChangeExtension(module.Location, "pdb"); if (File.Exists(pdbFile)) { Stream pdbStream = File.OpenRead(pdbFile); pdbReader = new PdbReader(pdbStream, host); } module = Decompiler.GetCodeModelFromMetadataModel(host, module, pdbReader, DecompilerOptions.Unstack) as IModule; var copier = new CodeDeepCopier(host); var mutableModule = copier.Copy(module); var mscorlib = TypeHelper.GetDefiningUnit(host.PlatformType.SystemObject.ResolvedType); //var mutator = new ReparentModule(host, mscorlib, mutableModule); //module = mutator.Rewrite(mutableModule); //modules.Add(Tuple.Create(module, pdbReader)); RewriteUnitReferences renamer = new RewriteUnitReferences(host, mutableModule); var mscorlibAssembly = (IAssembly)mscorlib; renamer.targetAssembly = mscorlibAssembly; renamer.originalAssemblyIdentity = mscorlibAssembly.AssemblyIdentity; renamer.RewriteChildren(mutableModule); modules.Add((IModule)mutableModule); contractExtractors.Add(module, host.GetContractExtractor(module.UnitIdentity)); pdbReaders.Add(module, pdbReader); } } #endregion if (modules.Count == 0) { throw new TranslationException("No input assemblies to translate."); } var primaryModule = modules[0]; Sink sink= new Sink(host, heapFactory, options, exemptionList, whiteList); TranslationHelper.tmpVarCounter = 0; // TODO move away, get all plugin and translators from a config file or alike #region Plugged translators List<Translator> translatorsPlugged = new List<Translator>(); ITranslationPlugin bctPlugin= new BytecodeTranslatorPlugin(wholeProgram); Translator bcTranslator = bctPlugin.getTranslator(sink, contractExtractors, pdbReaders); translatorsPlugged.Add(bcTranslator); if (phoneControlsConfigFile != null && phoneControlsConfigFile != "") { // TODO this should be part of the translator initialziation PhoneCodeHelper.initialize(host); PhoneCodeHelper.instance().PhonePlugin = new PhoneControlsPlugin(phoneControlsConfigFile); if (doPhoneNav) { // TODO this should be part of the translator initialziation PhoneCodeHelper.instance().PhoneNavigationToggled = true; ITranslationPlugin phoneInitPlugin = new PhoneInitializationPlugin(); ITranslationPlugin phoneNavPlugin = new PhoneNavigationPlugin(); Translator phInitTranslator = phoneInitPlugin.getTranslator(sink, contractExtractors, pdbReaders); Translator phNavTranslator = phoneNavPlugin.getTranslator(sink, contractExtractors, pdbReaders); translatorsPlugged.Add(phInitTranslator); translatorsPlugged.Add(phNavTranslator); } if (doPhoneFeedback) { // TODO this should be part of the translator initialziation PhoneCodeHelper.instance().PhoneFeedbackToggled = true; ITranslationPlugin phoneFeedbackPlugin = new PhoneFeedbackPlugin(); Translator phFeedbackTranslator = phoneFeedbackPlugin.getTranslator(sink, contractExtractors, pdbReaders); translatorsPlugged.Add(phFeedbackTranslator); } } #endregion sink.TranslationPlugins = translatorsPlugged; /* if (phoneControlsConfigFile != null && phoneControlsConfigFile != "") { // TODO send this all way to initialization of phone plugin translator PhoneCodeHelper.initialize(host); PhoneCodeHelper.instance().PhonePlugin = new PhoneControlsPlugin(phoneControlsConfigFile); // TODO these parameters will eventually form part of plugin configuration if (doPhoneNav) { PhoneCodeHelper.instance().PhoneNavigationToggled = true; PhoneInitializationMetadataTraverser initTr = new PhoneInitializationMetadataTraverser(host); initTr.InjectPhoneCodeAssemblies(modules); PhoneNavigationMetadataTraverser navTr = new PhoneNavigationMetadataTraverser(host); navTr.InjectPhoneCodeAssemblies(modules); } if (doPhoneFeedback) { PhoneCodeHelper.instance().PhoneFeedbackToggled = true; PhoneControlFeedbackMetadataTraverser fbMetaDataTraverser= new PhoneControlFeedbackMetadataTraverser(host); fbMetaDataTraverser.Visit(modules); } } */ // TODO replace the whole translation by a translator initialization and an orchestrator calling back for each element // TODO for the current BC translator it will possibly just implement onMetadataElement(IModule) // TODO refactor this away, handle priorities between plugged translators IOrderedEnumerable<Translator> prioritizedTranslators = translatorsPlugged.OrderBy(t => t.getPriority()); foreach (Translator t in prioritizedTranslators) { t.initialize(); if (t.isOneShot()) t.TranslateAssemblies(modules); } foreach (var pair in sink.delegateTypeToDelegates.Values) { CreateDispatchMethod(sink, pair.Item1, pair.Item2); CreateDelegateCreateMethod(sink, pair.Item1, pair.Item2); CreateDelegateAddMethod(sink, pair.Item1, pair.Item2); CreateDelegateRemoveMethod(sink, pair.Item1, pair.Item2); } // Subtyping for extern types if(sink.Options.typeInfo > 0) sink.DeclareExternTypeSubtyping(); string outputFileName = primaryModule.Name + ".bpl"; callPostTranslationTraversers(modules, sink, phoneControlsConfigFile, outputFileName); if (PhoneCodeHelper.instance().PhoneNavigationToggled) { finalizeNavigationAnalysisAndBoogieCode(phoneControlsConfigFile, sink, outputFileName); } //sink.CreateIdentifierCorrespondenceTable(primaryModule.Name.Value); //var rc = new Bpl.ResolutionContext((Bpl.IErrorSink)null); //foreach (var decl in sink.TranslatedProgram.TopLevelDeclarations) { // decl.Register(rc); //} //sink.TranslatedProgram.Resolve(rc); //var goodDecls = new List<Bpl.Declaration>(); //var tc = new Bpl.TypecheckingContext(null); //foreach (var decl in sink.TranslatedProgram.TopLevelDeclarations) { // var impl = decl as Bpl.Implementation; // if (impl == null) { // goodDecls.Add(decl); // continue; // } // try { // //var tc = new Bpl.TypecheckingContext(null); // impl.Typecheck(tc); // goodDecls.Add(impl); // } catch { // Console.WriteLine("Deleting implementation for: " + impl.Name); // // nothing to do, just continue // } //} //sink.TranslatedProgram.TopLevelDeclarations = goodDecls; return sink.TranslatedProgram; }