[MacRuby-devel] Converting Ruby-style method signatures back to Obj-C style

[Gabriel Gilder]

Agreed, it wasn't difficult. I posted a gist with the solution I came up
with:

http://gist.github.com/633608

I'd love any feedback if I'm doing this in a nonsensical way. :)

-Gabriel


On Mon, Oct 18, 2010 at 4:27 PM, Laurent Sansonetti
<lsansonetti at apple.com>wrote:

> Hi Gabriel,
>
> There isn't any way to reconstruct the objc selector. We could expose an
> API, though, if you file a ticket, but I suspect it's not hard to do.
>
> Laurent
>
> On Oct 15, 2010, at 2:34 PM, Gabriel Gilder wrote:
>
> Hi all,
>
> I have a somewhat esoteric problem and I was wondering if anyone had
> suggestions about how to deal with it.
>
> Basically I'm writing a Ruby class that wraps some Objective-C classes and
> provides a common interface to them, and I'm using method_missing to pass
> along messages if the wrapped object understands them. This works great for
> simple methods that don't have named parameters. However, by the time a call
> hits method_missing, MacRuby has already converted the method signature to a
> Ruby-style call.
>
> For example, one object I'm wrapping has a method "doScript:in:" - but by
> the time that hits method_missing I have a method with signature "doScript:"
> and a list of arguments like "script, {:in => target}".
>
> Now of course, I can add some logic to my method_missing handler to check
> if the second param is a Hash and reconstruct the Obj-C method signature
> from that. I'm just wondering if MacRuby provides a built-in way to do that,
> or if I'm missing an easier way to handle this...
>
> Any input appreciated!
>
> Thanks,
> -Gabriel
>
>
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