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Confusion over erratic behavior in Xcode debugging
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Confusion over erratic behavior in Xcode debugging


  • Subject: Confusion over erratic behavior in Xcode debugging
  • From: Chase Meadors <email@hidden>
  • Date: Sun, 23 Aug 2009 16:33:13 -0500

This issue has been bothering me. I'm experience some weird behavior when debugging with Xcode with breakpoints. Basically, the highlighted current code line seems to jump around erratically. It's almost like it has to go through a declaration/initialization twice to actually register it.

Secondly, when this kind of behavior appears, I get these messages when attempting to print items to the console (through right-click "print description to console")

Printing description of bytes:
The program being debugged was signaled while in a function called from GDB.
GDB has restored the context to what it was before the call.
To change this behavior use "set unwindonsignal off"
Evaluation of the _expression_ containing the function (CFShow) will be abandoned.
The program being debugged was signaled while in a function called from GDB.
GDB has restored the context to what it was before the call.
To change this behavior use "set unwindonsignal off"
Evaluation of the _expression_ containing the function (CFShow) will be abandoned.

Printing description of bytes:
A syntax error in _expression_, near `value)'.
A syntax error in _expression_, near `value)'.

Maybe I'm doing something wrong. Any ideas what causes this behavior?

-Thanks, Chase

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