I cannot say enough good things about Instaparse, which is a flex/bison/jison for Clojure. It's amazingly feature-full and very fast. I could not have built Fu

I cannot say enough good things about Instaparse, which is a flex/bison/jison for Clojure. It's amazingly feature-full and very fast. I could not have built Funcgo without it. Big kudos to Mark Engelberg.