help with debugging
help with debugging
- Subject: help with debugging
- From: sqwarqDev <email@hidden>
- Date: Wed, 19 Nov 2014 00:52:13 +0700
Hi folks
Pretty uneducated in anything other than the basics of debugging, so I have a bug in my app which I can't reproduce my end, but I get several user reports that all show the same console.log errors. The bug is near-fatal, i.e. doesn't crash the app, but stops it displaying a window containing the problematic text view:
0 CoreFoundation 0x00007fff8cd5664c __exceptionPreprocess + 172
1 libobjc.A.dylib 0x00007fff975c86de objc_exception_throw + 43
2 CoreFoundation 0x00007fff8cd564fd +[NSException raise:format:] + 205
3 AppKit 0x00007fff967f3814 -[NSTextView replaceCharactersInRange:withString:] + 209
4 YourApp 0x000000010f63ccf1 YourApp + 27889
5 YourApp 0x000000010f637a6f YourApp + 6767
6 AppKit 0x00007fff96aad039 -[NSIBObjectData
I know which class this belongs to, and I see the error is generated by the call at line 3 above. However, in this class there's a huge number of "replaceCharactersInRange:" calls. How can I narrow down the search? Is there any way to use the info above to determine which line of code is failing? (e.g, what do the numbers after the '+' sign mean and is it possible to use them to help me find the bug? ).
TIA
Phil
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