lisp.js/misc/tokenize_test.js

A tiny lisp interpreter

var _ = require('underscore');
var tokenize = function(s) {
    return _.filter(s.replace(/\(/g, " ( ").replace(/\)/g, " ) ").split(" "),
    function(each) {
        return ! _.isEmpty(each);    
    });
};

var test1 = "(define area (lambda (r) (* 3.141592653 (* r r))))";
console.log(tokenize(test1));

var add = "(lambda (a b) (+ a b))";
console.log(tokenize(add));