#JS-Lisp ##A simple lisp interpreter in js
To run lisp code:
$ node lisp.js <filename>
##Syntax
###Builtin Functions
| Name | Syntax | Description |
|---|---|---|
| def | (def symbol value ...) | defines values onto the current scope |
| (print value ...) | prints values separated by a space | |
| do | (do (code) ...) | execs all of its arguments |
| fn | (fn (arg1 arg2 ...) code...) | return a function that takes the arglist as args and executes code |
| let | (let (symbol value ...) code...) | defines values on a new scope and executes code |
| if | (if cond (iftrue) ?(iffalse)) | execs cond and runs iftrue if cond is true and runs iffalse if cond is false and iffalse exists |
| + - * / | (op arg1 arg2 ...) | reduces the arguments using the operator specified |
| or | (or arg1 arg2 ...) | returns the first true arg or false |
| and | (and arg1 arg2 ...) | returns true if all the args are true otherwise returns first falsey value |
| not | (not arg) | returns !arg |
| > < | (op a b) | returns whether a is > or < b |