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Cleaned up README a bit, added na-cl to TODO

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Sami Samhuri 2009-12-09 23:17:20 -08:00
parent e58c7181c8
commit 19ac65cb2b
2 changed files with 24 additions and 18 deletions
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38
README
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@ -35,10 +35,16 @@ Getting Started
Command line Command line
------------ ------------
If you have rlwrap and js then just run el.sh. If not install rlwrap If you have rlwrap and js then just run el.sh. If not install a
and a JavaScript shell of your choice. Edit el.sh to reflect whether JavaScript shell of your choice, and I recommend you install rlwrap
or not you use rlwrap and your shell's name or path. Then run (readline wrap). Edit el.sh to reflect whether or not you use rlwrap
el.sh. I've only run this under SpiderMonkey. and your shell's name or path. Then run el.sh. I've only run this
under SpiderMonkey so I have no idea if it works under any other
implementations. Glad to accept info and/or patches.
Type a 'Q' or 'q' to quit the repl. Or anything that starts with Q,
like 'quickly quit lisp!'. (If lisp freaks out because you entered ^D
or something ^C or ^Z should still get you out.)
Emacs Emacs
@ -46,23 +52,21 @@ Emacs
I use Emacs and js-comint.el[3] with inferior-js set to I use Emacs and js-comint.el[3] with inferior-js set to
/opt/local/bin/js, which is SpiderMonkey[4] from MacPorts[5] on Snow /opt/local/bin/js, which is SpiderMonkey[4] from MacPorts[5] on Snow
Leopard. C-c b sends the buffer to the JS repl and then I use the Leopard.
EL.rep (read-eval-print), EL.repl, EL.parse, EL.eval, and EL.print
functions defined in the section titled Lisp Support near the end of
el.js.
[3] http://js-comint-el.sourceforge.net/ [3] http://js-comint-el.sourceforge.net/
[4] http://www.mozilla.org/js/spidermonkey/ [4] http://www.mozilla.org/js/spidermonkey/
[5] http://www.macports.org/ [5] http://www.macports.org/
Running js under rlwrap and then using load('el.js') works just as For loading code C-c b sends the buffer to the JS repl. I also use
well if you don't use Emacs but still want readline. Type EL.repl() the EL.rep (read-eval-print), EL.parse, EL.eval, and EL.print
to start the REPL or evaluate one thing with EL.rep, functions defined in el/repl.js
e.g. EL.rep("(* 4 3)")
or a longer example: Here's an example:
js> EL.repl() % cd Projects/elisp.js
% rlwrap js
js> load('el.js')
elisp> elisp>
(defvar *directory* "/Users/sjs" "My home directory") (defvar *directory* "/Users/sjs" "My home directory")
elisp> elisp>
@ -101,10 +105,10 @@ What's here?
Not much compared to the real thing but it's a decent start for < 1000 Not much compared to the real thing but it's a decent start for < 1000
lines. lines.
* parser * parser/reader. there's no lexing to tokens we go straight to tagged
(ints, floats, strings, symbols, lists, quoted expressions) data. (ints, floats, strings, symbols, lists, quoted expressions)
* symbol table * symbol table, but needs to be replaced ASAP.
(functions & variables separate) (functions & variables separate)
* (broken) lexical scoping * (broken) lexical scoping

2
TODO
View file

@ -3,6 +3,8 @@ TODO
* TESTS * TESTS
* look into na-cl for better performance
* implement all Emacs Lisp types/objects * implement all Emacs Lisp types/objects
* relational operators: < > <= >= = not * relational operators: < > <= >= = not