dmd AST class hierarchy as dot file

[Guillaume Chatelet via Digitalmars-d]

On Sunday, 20 September 2015 at 18:52:40 UTC, Andrei Alexandrescu 
wrote:
> On 09/20/2015 01:46 PM, David Nadlinger wrote:
>> you seemed to assume that the GraphViz file by Guillaume 
>> represented the
>> grammar structure, and I wanted to point out that it does not 
>> (at least
>> not directly).
>
> Thanks, yah, so I assumed. I guess both would be useful! -- 
> Andrei

Added the rendered image to 
http://wiki.dlang.org/DMD_Source_Guide#Class_hierarchy