Hi all,
I'm converting my garbage-collected document-based application to use
Core Data. In my existing implementation, several NSViewControllers
keep weak references to the NSDocument object by using the __weak
attribute:
@interface MyController : NSViewController
__weak MyDocument* document;
@end
This is so that when a document window is closed, the memory for the
document is freed. This works fine.
The document in turn has a property specified like so:
@property (readonly) NSString* foo;
However, now that I've switched the document to be a subclass of
NSPersistentDocument, I am getting compilation errors in my
NSViewController subclass when it tries to access the foo property of
the document:
document.foo = @"bar";
-> error: property 'foo' not found on object of type 'MyDocument
*__attribute__((objc_gc(weak)))'
Why would this compiler error be occurring?
--
Rob Keniger
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