Gfortran internal tree structure

[Daniel Franke]

2008/6/18, Daniel Kraft <domob1812@gmail.com>:
> What do you think about this idea?  I can't promise I'll really find
> time to work on this soon, but at least for me these ideas sound
> reasonable and useful.

There is gfc-internals.texi [1] which is intended for this purpose.
Whether it already contains what you are looking for is another
question ...

http://gcc.gnu.org/onlinedocs/gfc-internals/

Regards
    Daniel