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How to use IsTaskType method of Microsoft.Coyote.Rewriting.InterAssemblyInvocationRewritingPass class

Best Coyote code snippet using Microsoft.Coyote.Rewriting.InterAssemblyInvocationRewritingPass.IsTaskType

InterAssemblyInvocationRewritingPass.cs

Source:InterAssemblyInvocationRewritingPass.cs

...38                instruction.Operand is MethodReference methodReference &&39                this.IsForeignType(methodReference.DeclaringType))40            {41                TypeDefinition resolvedReturnType = methodReference.ReturnType.Resolve();42                if (IsTaskType(resolvedReturnType, NameCache.TaskName, NameCache.SystemTasksNamespace))43                {44                    string methodName = GetFullyQualifiedMethodName(methodReference);45                    Instruction nextInstruction = instruction.Next;46                    MethodReference interceptionMethod = this.CreateInterceptionMethod(47                        typeof(ExceptionProvider), methodReference,48                        nameof(ExceptionProvider.ThrowIfReturnedTaskNotControlled));49                    TypeReference interceptedReturnType = this.CreateInterceptedReturnType(methodReference);50                    var instructions = this.CreateInterceptionMethodCallInstructions(51                        interceptionMethod, nextInstruction, interceptedReturnType, methodName);52                    if (instructions.Count > 0)53                    {54                        Debug.WriteLine($"............. [+] uncontrolled task assertion when invoking '{methodName}'");55                        instructions.ForEach(i => this.Processor.InsertBefore(nextInstruction, i));56                        this.IsMethodBodyModified = true;57                    }58                }59                else if (IsTaskType(resolvedReturnType, NameCache.ValueTaskName, NameCache.SystemTasksNamespace))60                {61                    string methodName = GetFullyQualifiedMethodName(methodReference);62                    Instruction nextInstruction = instruction.Next;63                    MethodReference interceptionMethod = this.CreateInterceptionMethod(64                        typeof(ExceptionProvider), methodReference,65                        nameof(ExceptionProvider.ThrowIfReturnedValueTaskNotControlled));66                    TypeReference interceptedReturnType = this.CreateInterceptedReturnType(methodReference);67                    var instructions = this.CreateInterceptionMethodCallInstructions(68                        interceptionMethod, nextInstruction, interceptedReturnType, methodName);69                    if (instructions.Count > 0)70                    {71                        Debug.WriteLine($"............. [+] uncontrolled value task assertion when invoking '{methodName}'");72                        instructions.ForEach(i => this.Processor.InsertBefore(nextInstruction, i));73                        this.IsMethodBodyModified = true;74                    }75                }76                else if (methodReference.Name is "GetAwaiter" && IsTaskType(resolvedReturnType,77                    NameCache.TaskAwaiterName, NameCache.SystemCompilerNamespace))78                {79                    MethodReference interceptionMethod = this.CreateInterceptionMethod(80                        typeof(TaskAwaiter), methodReference,81                        nameof(TaskAwaiter.Wrap));82                    Instruction newInstruction = Instruction.Create(OpCodes.Call, interceptionMethod);83                    Debug.WriteLine($"............. [+] {newInstruction}");84                    this.Processor.InsertAfter(instruction, newInstruction);85                    this.IsMethodBodyModified = true;86                }87                else if (methodReference.Name is "GetAwaiter" && IsTaskType(resolvedReturnType,88                    NameCache.ValueTaskAwaiterName, NameCache.SystemCompilerNamespace))89                {90                    MethodReference interceptionMethod = this.CreateInterceptionMethod(91                        typeof(ValueTaskAwaiter), methodReference,92                        nameof(ValueTaskAwaiter.Wrap));93                    Instruction newInstruction = Instruction.Create(OpCodes.Call, interceptionMethod);94                    Debug.WriteLine($"............. [+] {newInstruction}");95                    this.Processor.InsertAfter(instruction, newInstruction);96                    this.IsMethodBodyModified = true;97                }98#if NET || NETCOREAPP3_199                else if (IsSystemType(resolvedReturnType) && resolvedReturnType.FullName == NameCache.HttpClient)100                {101                    MethodReference interceptionMethod = this.CreateInterceptionMethod(102                        typeof(HttpClient), methodReference, nameof(HttpClient.Control));103                    Instruction newInstruction = Instruction.Create(OpCodes.Call, interceptionMethod);104                    Debug.WriteLine($"............. [+] {newInstruction}");105                    this.Processor.InsertAfter(instruction, newInstruction);106                    this.IsMethodBodyModified = true;107                }108#endif109            }110            return instruction;111        }112        /// <summary>113        /// Creates the IL instructions for invoking the specified interception method.114        /// </summary>115        private List<Instruction> CreateInterceptionMethodCallInstructions(MethodReference interceptionMethod,116            Instruction nextInstruction, TypeReference returnType, string methodName)117        {118            var instructions = new List<Instruction>();119            bool isParamByReference = interceptionMethod.Parameters[0].ParameterType.IsByReference;120            if (nextInstruction.OpCode == OpCodes.Stsfld &&121                nextInstruction.Operand is FieldReference fieldReference)122            {123                OpCode loadOpCode = isParamByReference ? OpCodes.Ldsflda : OpCodes.Ldsfld;124                instructions.Add(this.Processor.Create(nextInstruction.OpCode, fieldReference));125                instructions.Add(this.Processor.Create(loadOpCode, fieldReference));126            }127            else if (nextInstruction.OpCode == OpCodes.Starg_S &&128                nextInstruction.Operand is ParameterDefinition parameterDefinition)129            {130                OpCode loadOpCode = isParamByReference ? OpCodes.Ldarga_S :131                    parameterDefinition.Index is 0 ? OpCodes.Ldarg_0 :132                    parameterDefinition.Index is 1 ? OpCodes.Ldarg_1 :133                    parameterDefinition.Index is 2 ? OpCodes.Ldarg_2 :134                    parameterDefinition.Index is 3 ? OpCodes.Ldarg_3 :135                    OpCodes.Ldarg_S;136                instructions.Add(this.Processor.Create(nextInstruction.OpCode, parameterDefinition));137                instructions.Add(loadOpCode == OpCodes.Ldarga_S || loadOpCode == OpCodes.Ldarg_S ?138                    this.Processor.Create(loadOpCode, parameterDefinition) :139                    this.Processor.Create(loadOpCode));140            }141            else if (nextInstruction.OpCode == OpCodes.Stloc_S &&142                nextInstruction.Operand is VariableDefinition variableDefinition)143            {144                OpCode loadOpCode = isParamByReference ? OpCodes.Ldloca_S : OpCodes.Ldloc_S;145                instructions.Add(this.Processor.Create(nextInstruction.OpCode, variableDefinition));146                instructions.Add(this.Processor.Create(loadOpCode, variableDefinition));147            }148            else if (nextInstruction.OpCode == OpCodes.Stloc_0)149            {150                OpCode loadOpCode = isParamByReference ? OpCodes.Ldloca_S : OpCodes.Ldloc_0;151                instructions.Add(this.Processor.Create(nextInstruction.OpCode));152                instructions.Add(isParamByReference ? this.Processor.Create(loadOpCode, (byte)0) :153                    this.Processor.Create(loadOpCode));154            }155            else if (nextInstruction.OpCode == OpCodes.Stloc_1)156            {157                OpCode loadOpCode = isParamByReference ? OpCodes.Ldloca_S : OpCodes.Ldloc_1;158                instructions.Add(this.Processor.Create(nextInstruction.OpCode));159                instructions.Add(isParamByReference ? this.Processor.Create(loadOpCode, (byte)1) :160                    this.Processor.Create(loadOpCode));161            }162            else if (nextInstruction.OpCode == OpCodes.Stloc_2)163            {164                OpCode loadOpCode = isParamByReference ? OpCodes.Ldloca_S : OpCodes.Ldloc_2;165                instructions.Add(this.Processor.Create(nextInstruction.OpCode));166                instructions.Add(isParamByReference ? this.Processor.Create(loadOpCode, (byte)2) :167                    this.Processor.Create(loadOpCode));168            }169            else if (nextInstruction.OpCode == OpCodes.Stloc_3)170            {171                OpCode loadOpCode = isParamByReference ? OpCodes.Ldloca_S : OpCodes.Ldloc_3;172                instructions.Add(this.Processor.Create(nextInstruction.OpCode));173                instructions.Add(isParamByReference ? this.Processor.Create(loadOpCode, (byte)3) :174                    this.Processor.Create(loadOpCode));175            }176            else177            {178                instructions.Add(this.Processor.Create(OpCodes.Ldstr, methodName));179                instructions.Add(this.Processor.Create(OpCodes.Call, interceptionMethod));180                return instructions;181            }182            instructions.Add(this.Processor.Create(OpCodes.Ldstr, methodName));183            instructions.Add(this.Processor.Create(OpCodes.Call, interceptionMethod));184            if (interceptionMethod.ReturnType.IsByReference)185            {186                instructions.Add(this.Processor.Create(OpCodes.Ldobj, returnType));187            }188            return instructions;189        }190        /// <summary>191        /// Creates an interception method from the specified method and type.192        /// </summary>193        private MethodReference CreateInterceptionMethod(Type type, MethodReference methodReference,194            string interceptionMethodName)195        {196            var returnType = methodReference.ReturnType;197            TypeDefinition providerType = this.Module.ImportReference(type).Resolve();198            MethodReference wrapMethod = null;199            if (returnType is GenericInstanceType genericType)200            {201                GenericInstanceType resolvedType = ResolveGenericTypeArguments(genericType, methodReference);202                TypeReference argType = resolvedType.HasGenericArguments ?203                    resolvedType.GenericArguments.FirstOrDefault() :204                    resolvedType;205                MethodDefinition genericMethod = providerType.Methods.FirstOrDefault(206                    m => m.Name == interceptionMethodName && m.HasGenericParameters);207                MethodReference wrapReference = this.Module.ImportReference(genericMethod);208                wrapMethod = MakeGenericMethod(wrapReference, argType);209            }210            else211            {212                wrapMethod = providerType.Methods.FirstOrDefault(m => m.Name == interceptionMethodName);213            }214            return this.Module.ImportReference(wrapMethod);215        }216        /// <summary>217        /// Creates an intercepted return type from the specified method.218        /// </summary>219        private TypeReference CreateInterceptedReturnType(MethodReference methodReference)220        {221            var returnType = methodReference.ReturnType;222            if (returnType is GenericInstanceType genericType)223            {224                GenericInstanceType resolvedType = ResolveGenericTypeArguments(genericType, methodReference);225                TypeReference argType = resolvedType.HasGenericArguments ?226                    resolvedType.GenericArguments.FirstOrDefault() :227                    resolvedType;228                returnType = MakeGenericType(genericType.ElementType, argType);229                returnType = this.Module.ImportReference(returnType);230            }231            return returnType;232        }233        /// <summary>234        /// Resolves the generic arguments of the specified type using the given method reference.235        /// </summary>236        private static GenericInstanceType ResolveGenericTypeArguments(GenericInstanceType genericType,237            MethodReference methodReference)238        {239            GenericInstanceType resolvedType = new GenericInstanceType(genericType.ElementType);240            foreach (var genericArgument in genericType.GenericArguments)241            {242                TypeReference argType = genericArgument;243                if (argType is GenericParameter gp)244                {245                    if (gp.Type is GenericParameterType.Type &&246                        methodReference.DeclaringType is GenericInstanceType dgt)247                    {248                        argType = dgt.GenericArguments[gp.Position];249                    }250                    else if (gp.Type is GenericParameterType.Method &&251                        methodReference is GenericInstanceMethod gim)252                    {253                        argType = gim.GenericArguments[gp.Position];254                    }255                }256                else if (argType is GenericInstanceType git)257                {258                    argType = ResolveGenericTypeArguments(git, methodReference);259                }260                resolvedType.GenericArguments.Add(argType);261            }262            return resolvedType;263        }264        /// <summary>265        /// Checks if the specified type is the expected task type.266        /// </summary>267        private static bool IsTaskType(TypeDefinition type, string expectedName, string expectedNamespace)268        {269            if (type != null)270            {271                if (IsSystemType(type) && type.Namespace == expectedNamespace &&272                    (type.Name == expectedName || type.Name.StartsWith(expectedName + "`")))273                {274                    return true;275                }276            }277            return false;278        }279        /// <summary>280        /// Checks if the specified type is a task-like type.281        /// </summary>...

IsTaskType

Using AI Code Generation

1using System;2using System.Threading.Tasks;3using Microsoft.Coyote;4using Microsoft.Coyote.Actors;5using Microsoft.Coyote.Tasks;6{7    {8        public static void Main(string[] args)9        {10            var isTask = CoyoteRuntime.IsTaskType(typeof(Task));11            var isActor = CoyoteRuntime.IsActorType(typeof(Actor));12            var isActorTask = CoyoteRuntime.IsActorTaskType(typeof(ActorTask));13        }14    }15}

IsTaskType

Using AI Code Generation

1using System;2using Microsoft.Coyote;3using Microsoft.Coyote.Tasks;4{5    {6        static void Main(string[] args)7        {8            Console.WriteLine(InterAssemblyInvocationRewritingPass.IsTaskType(typeof(Task)));9            Console.WriteLine(InterAssemblyInvocationRewritingPass.IsTaskType(typeof(int)));10        }11    }12}

IsTaskType

Using AI Code Generation

1using Microsoft.Coyote.Rewriting;2using System;3using System.Threading.Tasks;4{5    {6        static void Main(string[] args)7        {8            Console.WriteLine("Hello World!");9            Console.WriteLine(InterAssemblyInvocationRewritingPass.IsTaskType(typeof(Task)));10        }11    }12}

IsTaskType

Using AI Code Generation

1{2 {3 public static bool IsTaskType(Type t)4 {5 return t.IsTaskType();6 }7 }8}

IsTaskType

Using AI Code Generation

1using Microsoft.Coyote.Rewriting;2using System;3using System.Threading.Tasks;4{5    {6        public static void Main()7        {8            Console.WriteLine("Hello World!");9            Console.WriteLine(IsTaskType(typeof(Task)));10        }11    }12}

IsTaskType

Using AI Code Generation

1using System;2using System.Threading.Tasks;3{4    {5        static void Main(string[] args)6        {7            var task = new Task(() => { });8            var isTaskType = Microsoft.Coyote.Rewriting.InterAssemblyInvocationRewritingPass.IsTaskType(task.GetType());9            Console.WriteLine("IsTaskType: " + isTaskType);10        }11    }12}

IsTaskType

Using AI Code Generation

1{2    public static void Main()3    {4        Console.WriteLine("Hello World!");5        Console.WriteLine(InterAssemblyInvocationRewritingPass.IsTaskType(typeof(Program).GetMethod("Main")));6    }7}8{9    public static void Main()10    {11        Console.WriteLine("Hello World!");12        Console.WriteLine(Microsoft.Coyote.Rewriting.InterAssemblyInvocationRewritingPass.IsTaskType(typeof(Program).GetMethod("Main")));13    }14}15{16    public static void Main()17    {18        Console.WriteLine("Hello World!");19        Console.WriteLine(Microsoft.Coyote.Rewriting.InterAssemblyInvocationRewritingPass.IsTaskType(typeof(Program).GetMethod("Main")));20    }21}22{23    public static void Main()24    {25        Console.WriteLine("Hello World!");26        Console.WriteLine(Microsoft.Coyote.Rewriting.InterAssemblyInvocationRewritingPass.IsTaskType(typeof(Program).GetMethod("Main")));27    }28}29{30    public static void Main()31    {32        Console.WriteLine("Hello World!");33        Console.WriteLine(Microsoft.Coyote.Rewriting.InterAssemblyInvocationRewritingPass.IsTaskType(typeof(Program).GetMethod("Main")));34    }35}36{37    public static void Main()38    {39        Console.WriteLine("Hello World!");

IsTaskType

Using AI Code Generation

1{2    static void Main(string[] args)3    {4        Console.WriteLine("Hello World!");5        var task = new Task();6        task.Run();7    }8}9{10    static void Main(string[] args)11    {12        Console.WriteLine("Hello World!");13        var task = new Task();14        task.Run();15    }16}17{18    static void Main(string[] args)19    {20        Console.WriteLine("Hello World!");21        var task = new Task();22        task.Run();23    }24}25{26    static void Main(string[] args)27    {28        Console.WriteLine("Hello World!");29        var task = new Task();30        task.Run();31    }32}33{34    static void Main(string[] args)35    {36        Console.WriteLine("Hello World!");37        var task = new Task();38        task.Run();39    }40}41{42    static void Main(string[] args)43    {44        Console.WriteLine("Hello World!");45        var task = new Task();46        task.Run();47    }48}49{50    static void Main(string[] args

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