Error saving project: System.IO.IOException: The filename, directory name, or volume label syntax is incorrect.

[greenozon]

Input code

Try to save project to disk
err127.zip

Erroneous output

System.IO.IOException: The filename, directory name, or volume label syntax is incorrect. : 'C:\Tmp\CXorString-IndexList-0-1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18-19-20-21-22-23-24-25-26-27-28-29-30-31-32-33-34-35-36-37-38-39-40-41-42-43-44-45-46-47-48-49-50-51-52-53-54-55-56-57-58-59-60-61-62-63-64-65-66-67-68-69-70-71-72-73-74-75-76-77-78-79-80-8.cs'
   at Microsoft.Win32.SafeHandles.SafeFileHandle.CreateFile(String fullPath, FileMode mode, FileAccess access, FileShare share, FileOptions options)
   at Microsoft.Win32.SafeHandles.SafeFileHandle.Open(String fullPath, FileMode mode, FileAccess access, FileShare share, FileOptions options, Int64 preallocationSize)
   at System.IO.Strategies.OSFileStreamStrategy..ctor(String path, FileMode mode, FileAccess access, FileShare share, FileOptions options, Int64 preallocationSize)
   at System.IO.StreamWriter..ctor(String path)
   at ICSharpCode.Decompiler.CSharp.ProjectDecompiler.WholeProjectDecompiler.<>c__DisplayClass46_0.<WriteCodeFilesInProject>b__5(IGrouping`2 file) in /_/ICSharpCode.Decompiler/CSharp/ProjectDecompiler/WholeProjectDecompiler.cs:line 262
   at System.Threading.Tasks.Parallel.<>c__DisplayClass44_0`2.<PartitionerForEachWorker>b__1(IEnumerator& partitionState, Int32 timeout, Boolean& replicationDelegateYieldedBeforeCompletion)
--- End of stack trace from previous location ---
   at System.Threading.Tasks.Parallel.<>c__DisplayClass44_0`2.<PartitionerForEachWorker>b__1(IEnumerator& partitionState, Int32 timeout, Boolean& replicationDelegateYieldedBeforeCompletion)
   at System.Threading.Tasks.TaskReplicator.Replica.Execute()

Details

• Product in use: e.g. ILSpy
• Version in use: ILSpy version 8.0.0.7210-preview2
  .NET version 6.0.11-servicing.22523.4+943474ca16db7c65ba6cff4a89c3ebd219dde3e5
• Any other relevant information to the issue, or your interest in contributing a fix.

Please note that there is no required info in exception output -assembly file name

[siegfriedpammer]

Not again

[greenozon]

Well, this is a tricky case... as somehow generic class is mapped into physical filename...
not sure how to correctly handle it (you never know the lenght of generic class params)

another (small issue) - assembly path/class is not present in stack dump text

[siegfriedpammer]

You are still on Windows 7?

[siegfriedpammer]

Thank you for reporting this!