Message Pack Compiler just freezes

[BoggyS]

Bug description

Message Pack Compiler just freezes when trying to generate a file, no error, nothing else to say

Repro steps

Executing command (example):
dotnet mpc -i ...\MyProject.csproj -o ...\Assets\MessagePack_Generated.cs -m

Expected behavior

Building normally or at least giving an error

Actual behavior

Infinite freeze

Versions used:

• Unity 2022.3.21f1
• Windows 11 Pro 23H2 22631.3447
• .NET Core 8.0.204
• Message Pack Compiler 2.5.140

[AArnott]

@BoggyS We're actively developing a proper roslyn source generator to replace mpc, in the develop branch. Would you like to give it a try?