Re: Is +[NSMutableArray initialize] completely implemented?

[Andrew Pinski]

On Feb 22, 2004, at 06:26, David Ayers wrote:

> Kazunobu Kuriyama wrote:
> > Though this seems to be a dated document, gcc/objc/README of GCC's 
> > source tells
> > <quote>
> > +initialize
> > ===========
> > This method, if defined, is called before any other instance or class 
> > methods of
> > that particular class.  This method is not inherited, and is thus not 
> > called as
> > initializer for a subclass that doesn't define it itself.  Thus, each 
> > +initialize
> > method is called once (or never if no methods of that particular 
> > class is never
> > called).
> > Besides this, it is allowed ot have several +initialize methods, one 
> > for each
> > category.  The order in which these (multiple methods) are called is 
> > not well
> > defined.  I am not completely certain what the semantics of this 
> > methods is
> > for other implementations, but this is how it works for GNU Objective 
> > C.
> > <unquote>
>
> Ahh!  Thanks, that's probably where I had read it and was later 
> confused to find that it doesn't work that way.  AFAIK the Apple/NeXT 
> runtimes also don't call +initialize per category.  So I think the 
> comment needs to be fixed.
>
> > Is there anyone who knows further?  Is there a formal document of 
> > GNU's ObjC
> > runtime?
>
> I haven't seen or heard of any in depth documentation on the GNU ObjC 
> Runtime, but I'd be willing to contribute if someone (maybe one of our 
> new libobjc maintainers :-) ) takes the lead.

Can you file a bug <http://gcc.gnu.org/bugs.html>, I think the intended 
behavior
is to have them both called.  I will be looking into this.

Thanks,
Andrew Pinski
a gcc bug master and a libobjc maintainer