nonlocal keyword to express some things you can't in 2.x), tail recursion, and a minor thing with the annoying Python print statement (print will be an actual function in Python 3.x, so that problem will go away).I've pushed up all the latest code to the psil repository on Github. It's pretty rough right now, and tries to run the compiler by default. The
Compile = True switch near the top currently controls whether it runs the compiler or the interpreter.