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Re: Silent Self-Caught Exceptions vs. "All Exceptions" Breakpoint
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Re: Silent Self-Caught Exceptions vs. "All Exceptions" Breakpoint


  • Subject: Re: Silent Self-Caught Exceptions vs. "All Exceptions" Breakpoint
  • From: Kyle Sluder <email@hidden>
  • Date: Wed, 25 Sep 2013 10:16:18 -0700

> On Sep 25, 2013, at 10:00 AM, Jerry Krinock <email@hidden> wrote:

>
>
>> On 2013 Sep 25, at 09:39, Kyle Sluder <email@hidden> wrote:
>>
>> That looks like a C++ exception. What happens if you edit the breakpoint to only break on ObjC exceptions?
>
> Thanks, Kyle.  Good guess.  Indeed, if I edit the breakpoint and change the popup from "All" to "Objective-C", then it does not break when I try to reproduce.
>
> What do we think of that?  I'd hate to conclude that Cocoa's built-in C++ Exceptions are not worthy of attention.

Please note that the breakpoint traps on exception *throw*. It is perfectly valid—daresay common—for C++ code to throw and catch exceptions as a normal matter of course.

Uncaught exceptions of all varieties will still trigger the uncaught exception handler. Whether an exception gets that far is another matter.

>
> By the way, I actually need to hit the "Continue" button in Xcode three times, with smaller call stacks.  Apparently three functions in that stack are raising an exception.

It’s probably being caught and re-thrown.

--Kyle Sluder

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  • Follow-Ups:
    • Re: Silent Self-Caught Exceptions vs. "All Exceptions" Breakpoint
      • From: Jens Alfke <email@hidden>
References: 
 >Silent Self-Caught Exceptions vs. "All Exceptions" Breakpoint (From: Jerry Krinock <email@hidden>)
 >Re: Silent Self-Caught Exceptions vs. "All Exceptions" Breakpoint (From: Kyle Sluder <email@hidden>)
 >Re: Silent Self-Caught Exceptions vs. "All Exceptions" Breakpoint (From: Jerry Krinock <email@hidden>)

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