Re: Objective C Compiler Settings
Re: Objective C Compiler Settings
- Subject: Re: Objective C Compiler Settings
- From: Graham Cox <email@hidden>
- Date: Mon, 29 Jun 2009 10:08:16 +1000
On 29/06/2009, at 9:18 AM, Michael Ash wrote:
On Sun, Jun 28, 2009 at 4:12 PM, Tommy Nordgren<email@hidden
> wrote:
Are there any compiler flags you can provide when compiling
Objective C
code,
that causes an exception to be triggered when a category implements
a method
that is already implemented in the target class?
Not an exception, but you can get the runtime to log any replaced
methods by setting the OBJC_PRINT_REPLACED_METHODS environment
variable when running your app. This and other environment variables
can be found by running an ObjC program with the OBJC_HELP enviroment
variable set. This will print out a brief bit of documentation about
all the debugging variables supported by the runtime.
Cool, that's really useful and previously unknown to me - where did
you get to know about this? Can you point to documentation? Seems I'm
missing a whole bunch of stuff that others know about.
--Graham
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