XCode 4 Break on Exception

Discussion in 'iOS Programming' started by MaxFreud, May 4, 2011.

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  1. MaxFreud, May 4, 2011

    MaxFreud macrumors newbie

    Joined:
    Jan 5, 2011
    #1
    Hi all,

    I have set a break on exception in XCode 4, but my problem is that the debugger breaks without telling me what line of code was the culprit. I can see the method names in the Debug Navigator, so for example I know the problem came from a call to [NSString substringFromIndex:] but there are a number of calls to that, and I have no idea which one causes the problem.

    Any ideas on how to get XCode to actually indicate the break location?

    Cheers,
    Max
     
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  2. RonC, May 4, 2011

    RonC macrumors regular

    Joined:
    Oct 18, 2007
    Location:
    Chicago-area
    #2
    Isn't the stack visible? If it is, follow it back to your code. It's probably in there.

    I happen to have some code that is throwing an exception, and I can see the entire stack backtrace. Two kinds of entries show up, dark ones (which are your code) and light grey ones (which are not).
     
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  3. jnoxx, May 5, 2011

    jnoxx macrumors 65816

    jnoxx

    Joined:
    Dec 29, 2010
    Location:
    Aartselaar // Antwerp // Belgium
    #3
    If u have a breakpoint, then u can see in the debugger, in Xcode 4 that's at the bottom, if it isn't there, expand the window a bit up, so it's visible.
    Then if it breaks at the line, press continue.. and u can see the values, where it's exactly, and if it breaks, it should be visible too :)

    regards, Noxx
     
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