1. XeCycle
  2. plisp



A Lisp interpreter, not working yet, in Python.  This is a quick
and dirty work, built in four days.  I regret having chosen this
as my course assignment, since the course is targeted at non-CS
students like I am.  This is way too hard for me.

It's likely to improve in the future, but will be *very* slow.
Just think of it as a toy.


The dialect is more like scheme, uses lexical scoping and full
closures.  Functions are first-class.  Design of macro is, by
now, very dirty --- dynamically scoped & first class macros.  No
first-class continuations yet.


I wonder if it's Turing-complete now, but nothing really works,
except those well-known axioms.  No string & numerical features