StratfiedJS (http://onilabs.com/stratifiedjs) does this and more[0]. It's more heavyweight than a set of macros, but we believe the features warrant that.

[0] including a module system, fork-join parallelism, try/catch and stacktrace support even for async code.

(disclaimer: I joined Oni Labs to work on SJS, after struggling with my own coffeescript fork for 6 months)