Christopher James Huff wrote:

> I've uploaded the current documentation for my CSDL project at:
> http://homepage.mac.com/chrishuff/csdl.html
> 
> As for the interpreter, I'll probably just rewrite it, using what I 
> learned the first time to make the new one better. The core will be 
> written in platform-independant C++, and the OS X version will have a 
> Cocoa GUI interface.
> Any comments/suggestions?
> 
Your syntax supports only vectors, but if you are going to support 

transformations, then perhaps it would be better to distinguish points,

vectors and normals (as they transform differently)?  RenderMan SL 
supported in initial versions only points and point transformation 
function and this caused quite a lot of problems. Now it has 3 different 
data types and separate transformation functions for each one.
If your language will allow 'overridden' functions, then perhaps it 
could get away with 1 function (if there is possibility to recognize, 
which type was given as actual parameter), but better would be to use 3 
different functions, as it improves readability and allows to avoid or 
catch errors (IMO).

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