Hi Daniel

> I think you might find some work by Andrew Black and myself interesting. 
> It mines some existing patterns from Smalltalk and modern extensible 
> IDEs such as Eclipse (and proposes some new ones) for representing code 
> models. The main goal is to make code analyses reusable objects so that 
> they can be leveraged by different tools (or views), without sacrificing 
> performance.

yes, thanks, I already read your and Andrew Black's paper "A
Pattern Language for Extensible Program Representation" (Stef gave it to
me :).
It contains very interesting and useful patterns and ideas, I liked it.

David