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How to use IsRethrowHandler method of Microsoft.Coyote.Rewriting.ExceptionFilterRewritingPass class

Best Coyote code snippet using Microsoft.Coyote.Rewriting.ExceptionFilterRewritingPass.IsRethrowHandler

ExceptionFilterRewritingPass.cs

Source:ExceptionFilterRewritingPass.cs

...55        /// </remarks>56        internal void VisitExceptionHandler(ExceptionHandler handler)57        {58            if ((this.IsAsyncStateMachineType && IsAsyncStateMachineHandler(handler)) ||59                IsRethrowHandler(handler))60            {61                // Do not instrument the compiler generated catch block of an async state machine,62                // or an exception handler that is just a rethrow.63                return;64            }65            if (handler.FilterStart is null)66            {67                if (handler.CatchType is null)68                {69                    // This is a finally block, which we can skip.70                    return;71                }72                var name = handler.CatchType.FullName;73                if (name == typeof(object).FullName ||74                    name == typeof(System.Exception).FullName ||75                    name == typeof(RuntimeException).FullName)76                {77                    this.AddThrowIfExecutionCanceledException(handler);78                }79            }80            else81            {82                // If there is an existing filter, then just insert a check.83                this.AddThrowIfExecutionCanceledException(handler);84            }85        }86        private void AddThrowIfExecutionCanceledException(ExceptionHandler handler)87        {88            if (!this.IsMethodBodyModified)89            {90                // A previous transform may have replaced some instructions, and if so, we need to recompute91                // the instruction indexes before we operate on the try catch.92                FixInstructionOffsets(this.Method);93                this.IsMethodBodyModified = true;94            }95            Debug.WriteLine($"............. [+] rewriting catch block to rethrow a {nameof(ThreadInterruptedException)}");96            var providerType = this.Method.Module.ImportReference(typeof(ExceptionProvider)).Resolve();97            MethodReference providerMethod = providerType.Methods.FirstOrDefault(98                m => m.Name is nameof(ExceptionProvider.ThrowIfThreadInterruptedException));99            providerMethod = this.Method.Module.ImportReference(providerMethod);100            var processor = this.Method.Body.GetILProcessor();101            var newStart = Instruction.Create(OpCodes.Dup);102            var previousStart = handler.HandlerStart;103            processor.InsertBefore(handler.HandlerStart, newStart);104            processor.InsertBefore(handler.HandlerStart, Instruction.Create(OpCodes.Call, providerMethod));105            handler.HandlerStart = newStart;106            // Fix up any other handler end position that points to previousStart instruction.107            foreach (var other in this.Method.Body.ExceptionHandlers)108            {109                // The first (or most nested) try/catch block.110                if (other.TryEnd == previousStart)111                {112                    other.TryEnd = newStart;113                }114                if (other.HandlerEnd == previousStart)115                {116                    other.HandlerEnd = newStart;117                }118            }119        }120        /// <summary>121        /// Checks if the specified handler is only rethrowing an exception.122        /// </summary>123        private static bool IsRethrowHandler(ExceptionHandler handler)124        {125            Code previousOpCode = Code.Nop;126            bool isRethrowing = false;127            Instruction instruction = handler.HandlerStart;128            while (instruction != handler.HandlerEnd)129            {130                Code opCode = instruction.OpCode.Code;131                if (opCode is Code.Throw || opCode is Code.Rethrow)132                {133                    isRethrowing = true;134                    break;135                }136                if (opCode != Code.Nop && opCode != Code.Pop)137                {...

IsRethrowHandler

Using AI Code Generation

1using System;2using System.Threading.Tasks;3using Microsoft.Coyote;4using Microsoft.Coyote.Actors;5using Microsoft.Coyote.Rewriting;6using Microsoft.Coyote.Specifications;7using Microsoft.Coyote.Tasks;8using Microsoft.Coyote.TestingServices;9using Microsoft.Coyote.TestingServices.Rewriting;

IsRethrowHandler

Using AI Code Generation

1using System;2using System.Threading.Tasks;3using Microsoft.Coyote;4using Microsoft.Coyote.Actors;5using Microsoft.Coyote.Specifications;6using Microsoft.Coyote.Tasks;7using Microsoft.Coyote.Rewriting;8using System.Runtime.CompilerServices;9{10    {11        public static void Main(string[] args)12        {13            var runtime = RuntimeFactory.Create();14            runtime.RegisterMonitor(typeof(Monitor));15            runtime.CreateActor(typeof(Actor1));16            runtime.CreateActor(typeof(Actor2));17            runtime.Start();18        }19    }20    {21        [OnEventDoAction(typeof(Actor1Event), nameof(HandleActor1Event))]22        [OnEventDoAction(typeof(Actor2Event), nameof(HandleActor2Event))]23        class Init : MonitorState { }24        private void HandleActor1Event()25        {26            this.Assert(false, "Actor1Event");27        }28        private void HandleActor2Event()29        {30            this.Assert(false, "Actor2Event");31        }32    }33    {34        [OnEventDoAction(typeof(UnitEvent), nameof(HandleUnitEvent))]35        class Init : State { }36        private void HandleUnitEvent()37        {38            {39                throw new Exception();40            }41            catch (Exception e) when (IsRethrowHandler(e))42            {43                this.SendEvent(this.Id, new Actor1Event());44            }45        }46    }47    {48        [OnEventDoAction(typeof(UnitEvent), nameof(HandleUnitEvent))]49        class Init : State { }50        private void HandleUnitEvent()51        {52            {53                throw new Exception();54            }55            catch (Exception e) when (IsRethrowHandler(e))56            {57                this.SendEvent(this.Id, new Actor2Event());58            }59        }60    }61    public class Actor1Event : Event { }62    public class Actor2Event : Event { }63    public class UnitEvent : Event { }64    [MethodImpl(MethodImplOptions.NoInlining)]65    public static bool IsRethrowHandler(Exception e)66    {67        return ExceptionFilterRewritingPass.IsRethrowHandler(e);68    }69}

IsRethrowHandler

Using AI Code Generation

1Microsoft.Coyote.Rewriting.ExceptionFilterRewritingPass.IsRethrowHandler(new Exception());2Microsoft.Coyote.Rewriting.ExceptionFilterRewritingPass.IsRethrowHandler(new Exception());3Microsoft.Coyote.Rewriting.ExceptionFilterRewritingPass.IsRethrowHandler(new Exception());4Microsoft.Coyote.Rewriting.ExceptionFilterRewritingPass.IsRethrowHandler(new Exception());5Microsoft.Coyote.Rewriting.ExceptionFilterRewritingPass.IsRethrowHandler(new Exception());6Microsoft.Coyote.Rewriting.ExceptionFilterRewritingPass.IsRethrowHandler(new Exception());7Microsoft.Coyote.Rewriting.ExceptionFilterRewritingPass.IsRethrowHandler(new Exception());8Microsoft.Coyote.Rewriting.ExceptionFilterRewritingPass.IsRethrowHandler(new Exception());9Microsoft.Coyote.Rewriting.ExceptionFilterRewritingPass.IsRethrowHandler(new Exception());10Microsoft.Coyote.Rewriting.ExceptionFilterRewritingPass.IsRethrowHandler(new Exception());

IsRethrowHandler

Using AI Code Generation

1using System;2using System.Threading.Tasks;3using Microsoft.Coyote;4using Microsoft.Coyote.Actors;5using Microsoft.Coyote.Rewriting;6{7    {8        public static void Main(string[] args)9        {10            if (ExceptionFilterRewritingPass.IsRethrowHandler(new Exception()))11            {12                Console.WriteLine("Exception is rethrow exception");13            }14            {15                Console.WriteLine("Exception is not rethrow exception");16            }17        }18    }19}

IsRethrowHandler

Using AI Code Generation

1using System;2using System.IO;3using System.Reflection;4using System.Runtime.CompilerServices;5using System.Runtime.ExceptionServices;6using System.Runtime.InteropServices;7using System.Runtime.Versioning;8using System.Security;9using System.Security.Permissions;10using Microsoft.Coyote.Rewriting;11using Microsoft.Coyote.Specifications;12{13    {14        public static void Main()15        {16            {17                throw new Exception("This exception is thrown");18            }19            catch (Exception ex) when (ExceptionFilterRewritingPass.IsRethrowHandler(ex))20            {21                throw;22            }23        }24    }25}26using System;27using System.IO;28using System.Reflection;29using System.Runtime.CompilerServices;30using System.Runtime.ExceptionServices;31using System.Runtime.InteropServices;32using System.Runtime.Versioning;33using System.Security;34using System.Security.Permissions;35using Microsoft.Coyote.Rewriting;36using Microsoft.Coyote.Specifications;37{38    {39        public static void Main()40        {41            {42                throw new Exception("This exception is thrown");43            }44            catch (Exception ex) when (ExceptionFilterRewritingPass.IsRethrowHandler(ex))45            {46                throw;47            }48        }49    }50}51using System;52using System.IO;53using System.Reflection;54using System.Runtime.CompilerServices;55using System.Runtime.ExceptionServices;56using System.Runtime.InteropServices;57using System.Runtime.Versioning;58using System.Security;59using System.Security.Permissions;60using Microsoft.Coyote.Rewriting;61using Microsoft.Coyote.Specifications;62{63    {64        public static void Main()65        {66            {67                throw new Exception("This exception is thrown");68            }69            catch (Exception ex) when (ExceptionFilterRewritingPass.IsRethrowHandler(ex))70            {71                throw;72            }73        }74    }75}76using System;77using System.IO;78using System.Reflection;79using System.Runtime.CompilerServices;

IsRethrowHandler

Using AI Code Generation

1using System;2using Microsoft.Coyote.Rewriting;3{4    {5        public static void Main()6        {7            {8                throw new Exception();9            }10            catch (Exception ex)11            {12                Console.WriteLine(ExceptionFilterRewritingPass.IsRethrowHandler(ex));13            }14        }15    }16}17using System;18using Microsoft.Coyote.Rewriting;19{20    {21        public static void Main()22        {23            {24                throw new Exception();25            }26            catch (Exception ex) when (ExceptionFilterRewritingPass.IsRethrowHandler(ex))27            {28                Console.WriteLine("rethrow handler");29            }30            catch (Exception)31            {32                Console.WriteLine("catch block that catches a specific exception type");33            }34        }35    }36}37using System;38using Microsoft.Coyote.Rewriting;39{40    {41        public static void Main()42        {43            {44                throw new Exception();45            }46            catch (Exception ex) when (ExceptionFilterRew

IsRethrowHandler

Using AI Code Generation

1{2    public static void Main()3    {4        {5            throw new Exception();6        }7        catch (Exception)8        {9            if (Microsoft.Coyote.Rewriting.ExceptionFilterRewritingPass.IsRethrowHandler())10            {11                throw;12            }13        }14    }15}16{17    public static void Main()18    {19        {20            throw new Exception();21        }22        catch (Exception)23        {24            if (Microsoft.Coyote.Rewriting.ExceptionFilterRewritingPass.IsRethrowHandler())25            {26                throw;27            }28        }29    }30}31{32    public static void Main()33    {34        {35            throw new Exception();36        }37        catch (Exception)38        {39            if (Microsoft.Coyote.Rewriting.ExceptionFilterRewritingPass.IsRethrowHandler())40            {41                throw;42            }43        }44    }45}46{47    public static void Main()48    {49        {50            throw new Exception();51        }52        catch (Exception)53        {54            if (Microsoft.Coyote.Rewriting.ExceptionFilterRewritingPass.IsRethrowHandler())55            {56                throw;57            }58        }59    }60}61{62    public static void Main()63    {64        {65            throw new Exception();66        }67        catch (Exception)68        {69            if (Microsoft.Coyote.Rewriting.ExceptionFilterRewritingPass.IsReth

IsRethrowHandler

Using AI Code Generation

1using System;2using System.Collections.Generic;3using System.Linq;4using System.Text;5using System.Threading.Tasks;6using Microsoft.Coyote.Rewriting;7{8    {9        static void Main(string[] args)10        {11            {12                throw new Exception();13            }14            catch (Exception e) when (ExceptionFilterRewritingPass.IsRethrowHandler(e))15            {16                Console.WriteLine("Rethrow handler");17            }18        }19    }20}21using System;22using System.Collections.Generic;23using System.Linq;24using System.Text;25using System.Threading.Tasks;26using Microsoft.Coyote.Rewriting;27{28    {29        static void Main(string[] args)30        {31            {32                throw new Exception();33            }34            catch (Exception e) when (ExceptionFilterRewritingPass.IsRethrowHandler(e))35            {36                Console.WriteLine("Rethrow handler");37            }38            catch (Exception e)39            {40                Console.WriteLine("Catch handler");41            }42        }43    }44}45using System;46using System.Collections.Generic;47using System.Linq;48using System.Text;49using System.Threading.Tasks;50using Microsoft.Coyote.Rewriting;51{52    {53        static void Main(string[] args)54        {55            {56                throw new Exception();57            }58            catch (Exception e)59            {60                Console.WriteLine("Catch handler");61            }62            catch (Exception e) when (ExceptionFilterRewritingPass.IsRethrowHandler(e))63            {64                Console.WriteLine("Rethrow handler");65            }66        }67    }68}

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