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It'd be incredibly awesome if __noSuchMethod__ were implemented in WebKit's version of JS.
I'm gonna poke this bug and add myself to it.
I've been bugging the V8 crowd to add this to their engine:
so I'll bug you all to add it to Nitro :-). They have a small patch ready and I've tested it successfully, so maybe we can get some friendly competition here :-D.
A bit of background: as I stated on the V8 bug report, I'm the guy that originally pestered Brendan Eich back in 2003 to add this capability to Spidermonkey:
Since he's done that, it's also been included in the Java-based Rhino engine. I've also proposed this extension to the ECMA committee.
I'll attach 2 files to this bug report. One is the proposal that my business partner and I made to the ECMA committee to add 'noSuchMethod' to ECMAScript. The other is a pretty comprehensive set of tests, both one from Brendan and a more complex one from my business partner Scott.
There is a pretty compelling case for adding this to your interpreter and that is spelled out in the ECMA proposal document.
Thanks for your consideration!
Created an attachment (id=38825) [details]
A proposal to the ECMA committee to add 'noSuchMethod' support
Created an attachment (id=38826) [details]
A testcase demonstrating 'proper' __noSuchMethod__ capability.
This feature now has a 'bottle of your favorite wine' bounty attached to it :-).
I've had success with such bribery over on the Mozilla project (and, yes, have paid it off - seriously...) :-).
In addition, I'm willing to help in authoring tests, etc. My C skills are very lacking (its been quite a number of years), but I do JS all day long, every day.
Having this feature would allow me to significantly reduce my code size and complexity, so I'm very eager to help make this reality :-).
A proposal for "catch-all proxies" has just been posted to the ES Wiki:
__noSuchMethod__ is an effectively dead extension in spidermonkey, it is not being proposed for standardisation. To quote Brendan: "http://wiki.ecmascript.org/doku.php?id=harmony:proxies is the future"
BTW, http://wiki.ecmascript.org/doku.php?id=harmony:proxies is implemented (useful for spec improvement, necessary by agreement in TC39 -- so a JSC impl would be helpful) for SpiderMonkey, see
This will probably land soon, and wind up in the next major Firefox release.