Syntax sugar javascript

jsx.js

/*
  javascript syntax sugar
	see comments for detials
*/
var vm = require("vm"),
  fs = require("fs");

function compile(f){
	fn = fs.readFileSync(f)
	.toString()
	// file << "Hi" -> file.write("Hi")
	.replace(/\s+<<\s+([^\n|;]+)[\n|;]/g, ".write($1)")
	/*
		do, better for callbacks

		fs.readFile("./stuff.json", do (err, dat) {
			console.log(JSON.parse(dat.toString()));
		});
		->
		fs.readFile("./stuff.json", function(err, dat) {
			console.log(JSON.parse(dat.toString()));
		});

		var a = do {
			alert("Hi!")
		}
		->
		var a = function(){
			alert("Hi")!
		}
	*/
	.replace(/do[\s+]?(\([^\{]+\)[\s+]?)?\{([^\}]+)\}/g, 
		function (text, argList, body) {
		if (!argList) {
			return "function(){"+body+"}";
		}
		else {
			return "function"+argList+"{"+body+"}";
		}
	})
	/* def fn(){
			alert("Hi!")
		} 
		->
		function fn(){
			alert("Hi!")
		}
	*/
	.split("def").join("function")
	// print
	.replace(/print\s+([^\n|;]+)/g, "console.log($1)")
	// :: prototype shortcut
	.replace(/\:\:/g, ".prototype.")
	// :symbols
	.replace(/\:([A-z-0-9]+)/g, '"$1"')
	// import http -> var http = require("http");
	.replace(/import\s+([^\s|\n|;]+)/g, 'var $1 = require("$1");')
	// @val -> this.val
	.replace(/\@/g, "this.")

	// write code to stdout
	console.log(fn);
}
exports.compile = compile;