parseInt("377", 8)? Assuming that performance isn’t an issue.
On Jan 12, 2012, at 19:01 , Brendan Eich wrote:
> See https://github.com/jashkenas/coffee-script/pull/2021 -- strict mode
> support in CoffeeScript exposes a valid use-case, Unix-flavor file
> permissions (mode bits we used to say). Node.js APIs really want users to
> call with literals such as 0644. Strict mode says no way.
>
> For now CoffeeScript probably will support 0o644 and translate to hex or
> decimal literals to dodge the strict error. But ES5 still has octal in Annex
> B, and AFAIK octal support is still required for web compatibility.
>
> Strict mode is not being adopted widely enough, certainly not in node.js
> code, to kill octal literals. Killing octal literals is user-hostile when it
> comes to Unix permissions. So I think we should stop tilting at a friendly
> windmill, and either support octal literals (but not noctal -- no 08 or 09),
> or support 0o377 etc. as CoffeeScript looks like it will do.
>
> Some may object to lowercase o as prefix. It's clear enough in all fonts, but
> if we allow uppercase O too, then some might fear user confusion with 0 used
> instead of O. But if we support 0o377 and 0O377, we can continue to reject
> (in strict mode and therefore in Harmony) 00377. Anyway, there's no homograph
> phishing attack threat as with URLs.
>
> If the CoffeeScript experiment with 0o prefixes for octal works out, I think
> we should adopt that prefix. But at this point I wouldn't be surprised to see
> retention of 0377 support be demanded by CoffeeScript/Node.js users, and they
> have a point.
>
> CoffeeScript can certainly compile this to a strict hex or decimal literal to
> dodge the error, but then JS/Node.js is at a loss, and for no good reason. In
> this case I will argue for supporting octal literals in strict mode.
>
> /be
>
> _______________________________________________
> es-discuss mailing list
> [email protected]
> https://mail.mozilla.org/listinfo/es-discuss
>
--
Dr. Axel Rauschmayer
[email protected]
home: rauschma.de
twitter: twitter.com/rauschma
blog: 2ality.com
_______________________________________________
es-discuss mailing list
[email protected]
https://mail.mozilla.org/listinfo/es-discuss
