On 15 Jun 2012, at 14:24, David Chisnall wrote:
> Hi Thomas,
>
> A couple of questions:
>
> Are you using the release version of libobjc or svn? Your line numbers don't
> match up with mine, so it may be that this is a bug that's already fixed in
> svn. I'm currently waiting for Quentin to test another bug fix and then I'll
> be doing a new release next week.
Hi David,
I was at version 1.6, I have just pulled trunk, and tried again, I'm hitting
the same thing, but now reporting line 561 of arc.m.
>
> The second question is whether you remembered to initialise the weak pointer
> to 0, or call objc_initWeak() for the first store?
The weak pointer is an ivar, so it should be 0 initialised, yes. Just for
completeness I've included my code below.
Thanks
Tom Davie
BBWeakRef.h
> #import <Foundation/Foundation.h>
>
> @interface BBWeakRef : NSObject
>
> + (id)refWithTarget:(id)target;
> - (id)initWithTarget:(id)target;
>
> @property (weak) id target;
>
> @end
BBWeakRef.m
> #import "BBWeakRef.h"
>
> @implementation BBWeakRef
>
> @synthesize target = _target;
>
> + (id)refWithTarget:(id)target
> {
> return [[BBWeakRef alloc] initWithTarget:target];
> }
>
> - (id)initWithTarget:(id)target
> {
> self = [super init];
>
> if (nil != self)
> {
> [self setTarget:target];
> }
>
> return self;
> }
>
> - (NSUInteger)hash
> {
> return [[self target] hash];
> }
>
> - (BOOL)isEqual:(id)other
> {
> if ([other isKindOfClass:[BBWeakRef class]])
> {
> return [[(BBWeakRef *)other target] isEqual:[self target]];
> }
> return NO;
> }
>
> @end
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