> 1. (in ordinary non plugin mode, within a plugin-enabled GCC) gengtype > not only generates all the necessary gt*.h files, but also generate an > easy-to-parse textual representation (perhaps in JSON or XML or Lispy > syntax) of all the data it has processed (that is of all the GTY-ed > data descriptors). Let imagine that file will be > gcc-gty-data-descr.json
You might want to look at the gengtype debugging dump support on gc-improv branch, which I will submit shortly for 4.6 trunk. -- Laurynas