Hi Fred,
On 18 Jul 2009, at 19:23, Fred Kiefer wrote:
your mail got me thinking, I wont switch to Clang and I don't hope
GNUstep as a project will. So the only option forward is to start
working on better Objective-C support in gcc. I surely wont have time
for this beside my maintainer task on GNUstep, but this seems
currently
the more important task. I will have a look at the code in gcc that
supports Objective-C and if I am able to make any sense of it, I might
switch over to work on that.
That would be great. It's not a task for the faint hearted though.
You can find all of the GCC Objective-C code in this file:
http://gcc.gnu.org/viewcvs/trunk/gcc/objc/objc-act.c?revision=149722&view=markup
There seem to be two functions in this file related to ivar access /
assignment, so it ought to be relatively easy for anyone familiar with
GCC internals to add non-fragile ivar support. You also need to
modify the ivar structure initialiser to contain negative values for
the offsets (this is the hint I give to the runtime to indicate that
this compilation unit provides support for non-fragile ivars and needs
the offsets updated accordingly).
David
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