Oh, yeah, MIT style license is the case.
Regarding Github -- yes, of course, I wanted to upload it there when the
version will have less bugs. But actually I guess it's the good time to
do it already now, since today e.g. I've made some/many changes, and
unfortunately edit the sources without any subversion control :( Will
upload soon to Git.
P.S.: updated the evaluator. Fixed `cons` function, `if` expression
evaluation. Also added standard `map` function and `lambda` support; now
it can (from example 7 on the page):
(map (lambda (x) (* x x)) ; anonymous function
(list 1 2 3 4)) ; maps the list to '(1 4 9 16)
Dmitry.
On 30.01.2011 3:51, Nick Fitzgerald wrote:
Cool! Is the code open source? I don't see a license... If you just
haven't thought about it yet, the MIT license seems appropriate :)
Also, I see you link to the source, but is there a repo I can follow,
for example, on Github?
Take it easy!
_Nick_
On Sat, Jan 29, 2011 at 12:54 PM, Dmitry A. Soshnikov
<[email protected] <mailto:[email protected]>> wrote:
Yeah, cool. I guess there are many other versions of the same
stuff. But the thing which I wrote is really just for fun, since
it's a very toy and limited interpreter (and it's not a compiler
from scheme to something). Beside the fun, the reason was to
explain further how the interpreter works, topics on scope, etc.
So, it's not a complete language, but repeat, for now just a toy ;)
Dmitry.
On 29.01.2011 23:49, Jacob Beard wrote:
Similar idea: http://www-sop.inria.fr/indes/scheme2js/
Cheers,
Jake
On 11-01-29 03:37 PM, Dmitry A. Soshnikov wrote:
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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