A "simple" interface generator using libclang/cindex.py and Mako. Use is
straightforward. See igen --help and src/igen/igen.py.
-fsyntax-only is a good default, especially if you are including the very
code you're generating and relying on it in some manner for declarations at
compile-time. Name resolution in that context won't fail, and it should be
faster to execute as well.
igen carries the MIT license, which can be found in the LICENSE file.