I want to write a new templating language, and I want Visual Studio to \"support\" it. What I need to know is:
I found this very useful collection of recent samples for Visual Studio 2013 SDK: http://blogs.msdn.com/b/vsx/archive/2014/05/30/vs-2013-sdk-samples-released.aspx
It also contains the recent version of the OokLanguage which sounds promising.
We used ANTLR 4 to parse our language which works like a charm and allows direct interaction with C# code. Can totally recommend it.