Deep recursion causes stack overflows.

[belav]

This shows up when formatting https://github.com/dotnet/runtime
That repository has specific files that appear to be designed to fail on deep recursion.
For now there is an ugly hack in place to prevent getting too deep in the recursive print functions.
https://github.com/dotnet/roslyn/blob/master/src/Compilers/CSharp/Portable/Syntax/CSharpSyntaxWalker.cs has a potentially better way to guard against that.
Avoiding recursion would require a major rewrite, but may be more efficient.
This could provide some ideas for how to avoid recursion.
http://metacoding.azurewebsites.net/2016/08/16/how-to-avoid-recursion/

[belav]

At this point this isn't going to happen

[belav]

https://web.archive.org/web/20200815164440/http://metacoding.azurewebsites.net/2016/08/16/how-to-avoid-recursion/