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Re: RFC: Deprecating class posing
From: |
Fred Kiefer |
Subject: |
Re: RFC: Deprecating class posing |
Date: |
Mon, 04 Jan 2010 16:20:01 +0100 |
User-agent: |
Mozilla/5.0 (X11; U; Linux x86_64; de; rv:1.9.1.5) Gecko/20091130 SUSE/3.0.0-1.1.1 Thunderbird/3.0 |
Am 02.01.2010 16:22, schrieb David Chisnall:
> Hi Everyone,
>
> With the non-fragile ABI, Apple removed support for class posing. This
> makes sense, because it's no longer possible to guarantee that the class
> has the same ivar layout.
>
> I'm tempted to do the same thing for our non-fragile ABI. This has the
> added advantage that you could then statically export class names as
> linker symbols, which would make class messages a lot faster (you'd no
> longer need to do the lookup each time, and all of the ugly stuff in
> GNUstep where the class pointer is cached could go away).
>
> Any objections?
>
I never used pose-as in my code and haven't heard a request for it for a
long time. Because of this I definitely wont object that change.
But it is rather the people who use it who should respond here.