dmd Lexer and Parser in D

[Trass3r]

> Unfortunately the conclusion was that it would be to difficult an  
> undertaking to be realistic, since DMD is designed to be run-and-done  
> (also something about "Walter code" :-)). But maybe a rewrite/port of  
> DMD, especially one written in D, might be able to be reworked with this  
> goal in mind? How complete is DDMD?

It's stuck at 2.040. I doubt getting it up-to-date would be worth the  
effort.
Also there are still plenty of unimplemented functions.