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icsharpcode / ILSpy

.NET Decompiler with support for PDB generation, ReadyToRun, Metadata (&more) - cross-platform!
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System.NullReferenceException: Object reference not set to an instance of an object. #3190

Open greenozon opened 3 months ago

greenozon commented 3 months ago

Input code

Save as project

Erroneous output

Solution could not be created, because none of the selected assemblies could be decompiled into a project.
Failed to decompile the assembly 'C:\tmp\IL_errs\1222\err143.dll':
System.AggregateException: One or more errors occurred. (Error decompiling @06000ABD ---
 ---> Error decompiling @06000ABD 
---------
in assembly "C:\tmp\IL_errs\1222\err143.dll"
 ---> System.NullReferenceException: Object reference not set to an instance of an object.
   at ICSharpCode.Decompiler.IL.ControlFlow.YieldReturnDecompiler.<ConvertBody>g__ConvertBranchAfterYieldReturn|35_0(Block newBlock, Block oldBlock, Int32 pos, <>c__DisplayClass35_0&) in YieldReturnDecompiler.cs:line 1016
   at ICSharpCode.Decompiler.IL.ControlFlow.YieldReturnDecompiler.ConvertBody(BlockContainer oldBody, StateRangeAnalysis rangeAnalysis) in YieldReturnDecompiler.cs:line 894
   at ICSharpCode.Decompiler.IL.ControlFlow.YieldReturnDecompiler.AnalyzeMoveNext(ILFunction function) in YieldReturnDecompiler.cs:line 786
   at ICSharpCode.Decompiler.IL.ControlFlow.YieldReturnDecompiler.Run(ILFunction function, ILTransformContext context) in YieldReturnDecompiler.cs:line 152
   at ICSharpCode.Decompiler.CSharp.CSharpDecompiler.DecompileBody(IMethod method, EntityDeclaration entityDecl, DecompileRun decompileRun, ITypeResolveContext decompilationContext) in CSharpDecompiler.cs:line 1737
-- continuing with outer exception (ICSharpCode.Decompiler.DecompilerException) --
   at ICSharpCode.Decompiler.CSharp.CSharpDecompiler.DecompileBody(IMethod method, EntityDeclaration entityDecl, DecompileRun decompileRun, ITypeResolveContext decompilationContext) in CSharpDecompiler.cs:line 1773
   at ICSharpCode.Decompiler.CSharp.CSharpDecompiler.DoDecompile(IMethod method, DecompileRun decompileRun, ITypeResolveContext decompilationContext) in CSharpDecompiler.cs:line 1622
   at ICSharpCode.Decompiler.CSharp.CSharpDecompiler.<>c__DisplayClass74_0.<DoDecompile>g__DoDecompileMember|0(IEntity entity, RecordDecompiler recordDecompiler, PartialTypeInfo partialType) in CSharpDecompiler.cs:line 1497
   at ICSharpCode.Decompiler.CSharp.CSharpDecompiler.DoDecompile(ITypeDefinition typeDef, DecompileRun decompileRun, ITypeResolveContext decompilationContext) in CSharpDecompiler.cs:line 1364
   at ICSharpCode.Decompiler.CSharp.CSharpDecompiler.DoDecompileTypes(IEnumerable`1 types, DecompileRun decompileRun, ITypeResolveContext decompilationContext, SyntaxTree syntaxTree) in CSharpDecompiler.cs:line 651
   at ICSharpCode.Decompiler.CSharp.CSharpDecompiler.DecompileTypes(IEnumerable`1 types) in CSharpDecompiler.cs:line 950
   at ICSharpCode.Decompiler.CSharp.ProjectDecompiler.WholeProjectDecompiler.<>c__DisplayClass46_0.<WriteCodeFilesInProject>b__5(IGrouping`2 file) in WholeProjectDecompiler.cs:line 276
   at System.Threading.Tasks.Parallel.<>c__DisplayClass43_0`2.<PartitionerForEachWorker>b__1(IEnumerator& partitionState, Int64 timeout, Boolean& replicationDelegateYieldedBeforeCompletion) in offset 259
   at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw() in offset 17
   at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw(Exception source) in offset 0
   at System.Threading.Tasks.Parallel.<>c__DisplayClass43_0`2.<PartitionerForEachWorker>b__1(IEnumerator& partitionState, Int64 timeout, Boolean& replicationDelegateYieldedBeforeCompletion) in offset 609
   at System.Threading.Tasks.TaskReplicator.Replica.Execute() in offset 35
   --- End of inner exception stack trace ---
   at System.Threading.Tasks.TaskReplicator.Run[TState](ReplicatableUserAction`1 action, ParallelOptions options, Boolean stopOnFirstFailure)
   at System.Threading.Tasks.Parallel.PartitionerForEachWorker[TSource,TLocal](Partitioner`1 source, ParallelOptions parallelOptions, Action`1 simpleBody, Action`2 bodyWithState, Action`3 bodyWithStateAndIndex, Func`4 bodyWithStateAndLocal, Func`5 bodyWithEverything, Func`1 localInit, Action`1 localFinally)
--- End of stack trace from previous location ---
   at System.Threading.Tasks.Parallel.PartitionerForEachWorker[TSource,TLocal](Partitioner`1 source, ParallelOptions parallelOptions, Action`1 simpleBody, Action`2 bodyWithState, Action`3 bodyWithStateAndIndex, Func`4 bodyWithStateAndLocal, Func`5 bodyWithEverything, Func`1 localInit, Action`1 localFinally)
   at System.Threading.Tasks.Parallel.ForEach[TSource](Partitioner`1 source, ParallelOptions parallelOptions, Action`1 body)
   at ICSharpCode.Decompiler.CSharp.ProjectDecompiler.WholeProjectDecompiler.<>c__DisplayClass46_0.<WriteCodeFilesInProject>g__ProcessFiles|3(List`1 files) in /_/ICSharpCode.Decompiler/CSharp/ProjectDecompiler/WholeProjectDecompiler.cs:line 257
   at ICSharpCode.Decompiler.CSharp.ProjectDecompiler.WholeProjectDecompiler.WriteCodeFilesInProject(MetadataFile module, IList`1 partialTypes, CancellationToken cancellationToken) in /_/ICSharpCode.Decompiler/CSharp/ProjectDecompiler/WholeProjectDecompiler.cs:line 223
   at ICSharpCode.Decompiler.CSharp.ProjectDecompiler.WholeProjectDecompiler.DecompileProject(MetadataFile file, String targetDirectory, TextWriter projectFileWriter, CancellationToken cancellationToken) in /_/ICSharpCode.Decompiler/CSharp/ProjectDecompiler/WholeProjectDecompiler.cs:line 152
   at ICSharpCode.ILSpy.CSharpLanguage.DecompileAssembly(LoadedAssembly assembly, ITextOutput output, DecompilationOptions options)
   at ICSharpCode.ILSpy.SolutionWriter.WriteProject(LoadedAssembly loadedAssembly, Language language, String targetDirectory, CancellationToken ct)

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