Re: Problem with object sender in -insertTab:

[Germán Arias]

On 2014-01-23 00:59:46 -0600 Fred Kiefer <address@hidden> wrote:
[...]
> 
> This doesn't prove that the object still exist, just the reference is there. 
> Your need to dereference that pointer to see if the object exists. ( p *obj 
> or po obj)
> But I don't think this is the problem. Could you please provide the stack 
> trace?
> 
> Fred

Here the stack (Gemas from SVN: http://gna.org/projects/gnustep-nonfsf):

(gdb) run
Starting program: /usr/GNUstep/Local/Applications/Gemas.app/Gemas
[Depuración de hilo usando libthread_db enabled]
Using host libthread_db library "/lib/i386-linux-gnu/libthread_db.so.1".

Program received signal SIGSEGV, Segmentation fault.
0x00a9a2c6 in objc_msg_lookup () from /usr/lib/i386-linux-gnu/libobjc.so.3
(gdb) bt
#0  0x00a9a2c6 in objc_msg_lookup () from /usr/lib/i386-linux-gnu/libobjc.so.3
#1  0x0804f3df in -[GemasEditorView insertTab:] (self=0x82d6ff8,
    _cmd=0x5347d0, sender=0x58b268) at GemasEditorView.m:225
#2  0x0079dcd7 in -[NSObject performSelector:] (self=0x82d6ff8, _cmd=0x58b278,
    aSelector=0x5347d0) at NSObject.m:2012
#3  0x00398667 in -[NSTextView doCommandBySelector:] (self=0x82d6ff8,
    _cmd=0x5347b8, aSelector=0x5347d0) at NSTextView.m:2167
#4  0x002c3ff4 in -[NSInputManager doCommandBySelector:] (self=0x81a7898,
    _cmd=0x5347b8, aSelector=0x5347d0) at NSInputManager.m:785
#5  0x002c53d4 in -[NSInputManager handleKeyboardEvents:client:] (
    self=0x81a7898, _cmd=0x55bd28, eventArray=0x8301e60, client=0x82d6ff8)
    at NSInputManager.m:670
#6  0x00322a3f in -[NSResponder interpretKeyEvents:] (self=0x82d6ff8,
    _cmd=0x58baf0, eventArray=0x8301e60) at NSResponder.m:140
#7  0x0038e42b in -[NSTextView(leftovers) keyDown:] (self=0x82d6ff8,
    _cmd=0x5a10d8, theEvent=0x84686c8) at NSTextView.m:5917
#8  0x003d5de2 in -[NSWindow sendEvent:] (self=0x827e228, _cmd=0x4ebf40,
    theEvent=0x84686c8) at NSWindow.m:4041
#9  0x002121fd in -[NSApplication sendEvent:] (self=0x8140a78, _cmd=0x4ebe78,
    theEvent=0x84686c8) at NSApplication.m:2107
#10 0x0021460b in -[NSApplication run] (self=0x8140a78, _cmd=0x4e2348)
    at NSApplication.m:1562
#11 0x001f202f in NSApplicationMain (argc=1, argv=0xbfffe404) at Functions.m:91
#12 0x08048fe7 in main (argc=1, argv=0xbfffe404) at Gemas_main.m:26

Germán.