I wonder if init is too early to be setting the default paragraph style. When I
changed that line in your setup method to the following, it no longer crashed
on launch.
[self performSelector:@selector(setDefaultParagraphStyle:)
withObject:[NSParagraphStyle defaultParagraphStyle]
afterDelay:0];
--Andy
On Mar 19, 2013, at 7:54 PM, Seth Willits <[email protected]> wrote:
>
> This has taken me a *very long time* to narrow down to its simplest bits and
> it's very puzzling to me.
>
>
> The short story is I have an NSTextStorage subclass as I'm doing many
> different things, syntax coloring among them. I would swear that everything
> I'm doing is a legitimate implementation, but there is obviously something
> causing internal behavior in the text system to go haywire. The result is
> that the text system itself (not me!) is over-releasing the NSParagraphStyle.
> The memory management in my code is solid, so the problem has to be in the
> text system itself.
>
> The example project:
> http://www.sethwillits.com/temp/PGSOverRelease.zip
>
> There are a number of factors involved in reliably reproducing this behavior
> and this project has one set of circumstances that will reproduce it, but
> there are others. If you slightly change any of these factors (all changes
> which should have no effect), then the over-release crash does not occur.
>
> I have read and re-read all of the text storage documentation multiple times
> and I am thusly confident that either some critical elusive behavior is
> undocumented or I've found a legitimate bug in the text system.
>
>
> Any help would be greatly appreciated. This is severely impacting my work at
> the moment.
>
>
> --
> Seth Willits
>
>
>
>
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