About Gcc tree tutorials

[Brooks Moses]

Ferad Zyulkyarov wrote:
> Also, I referred to some tutorials and articles in the net about
> writing gcc front-end. And here are they:
> 1. http://en.wikibooks.org/wiki/GNU_C_Compiler_Internals/Print_version
> 2. http://www.faqs.org/docs/Linux-HOWTO/GCC-Frontend-HOWTO.html (old)
> 3. http://www.linuxjournal.com/article/7884 (overview)
> 4. http://www.eskimo.com/~johnnyb/computers/toy/cobol_14.html
> 
> I would be thankful if you share any doc resources that you have.

The "treelang" front-end that's included with GCC is itself primarily a 
tutorial/example on writing a GCC front end.  The treelang documentation 
does a fairly good job of describing how the internals work, I think.

- Brooks