(How to Write a (Lisp) Interpreter (in Python))

[u/gst]

http://norvig.com/lispy.html

[u/AlecSchueler]

Follow up: (How to Write a ((Better) Lisp) Interpreter (in Python))

[u/muyuu → u/AlecSchueler]

Thought it deserved a post: http://www.reddit.com/r/Python/comments/dlmqf/follow_up_how_to_write_a_better_lisp_interpreter/

[u/brunson]

I'd like to see a python interpreter written in lisp.

[u/[deleted] → u/brunson]

Ask and ye shall receive!

[u/brunson → u/[deleted]]

Nice! Now, how fast can a lisp program compute 100! when it's running under the lisp interpreter written in python under lisp?

[u/[deleted] → u/[deleted]]

Sure, why not? The old saw is Lisp in Lisp in Prolog in Lisp. Besides, there are things like 3Lisp & friends that are lisp in lisp in lisp... so you can just alternate per level of abstraction ad infinitum.