Probably it will be interesting for someone on the list. The port to
CoffeeScript of "The Metacircular Evaluator" section -- 4.1 of the SICP
book.
Features: no special :P Currently it's
- very inefficient,
- evaluate without optimized pre-parsing,
- it's _not_ a register-based virtual machine (that's one which is
from chapter 5 of the book), but just the very first version from
chapter 4.1.
- it doesn't use all the power of the JS objects (e.g. to handle the
scope and environments) - but it's done specially to provide
explanations how scope chain lookup is made.
- but - it works :D However, still very limited. Only some of the
Scheme's features do work.
Future plans:
- rewrite it with using JS objects but not Lisp's list imitation;
- implement virtual machine from chapter 5.
Evaluator: http://dmitrysoshnikov.com/coffee-lisp-eval/index.html
Section in the book:
http://mitpress.mit.edu/sicp/full-text/book/book-Z-H-26.html#%_sec_4.1
Dmitry.
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