What is Roslyn written in?

Year 2014 Paradigm tool Typing unspecified Self-hosting yes

The Roslyn compiler is written in C# (well-documented). Roslyn is self-hosting.

Relationship Graph

All directly connected languages. Click any node to navigate to its page.

Language	Confidence	Notes	Source
C#	98%	Roslyn is self-hosting C# compiler platform	Source

What language is Roslyn written in?

Roslyn is primarily implemented in C#. See the implementation section above for details and source references.

Is Roslyn self-hosting?

Yes, Roslyn is self-hosting — its compiler can compile itself.