On 19-feb-07, at 21:11, [EMAIL PROTECTED] wrote:
> On Feb 19, 2007, at 17:59 UTC, Bart Pietercil wrote:
>
>> why would this code crash ?
>
> What do you mean by "crash"? What do you actually see? Also, what
> version of RB are you using, and on which platform?
Sorry
Mac OSX Macbook Pro RB2007/1
>
>> Sub Action(item As ToolItem)
>> if CardIsDirty Then
>> if SaveCard Then
>>
>> Else
>> Return
>> end if
>> end if
>
> This part shouldn't crash, but it's an awkward construction that took
> me a while to figure out. Try this simpler version:
>
> if CardIsDirty then
> if not SaveCard then return
> end if
Absolutely, had just shortened the relevant part
>
>> Select Case item.Name
>> case "tbb_Clusters"
>> App.MainBarHandler(Self,ClusterWindow)
>> Self.Close
>
> Calling Self.Close in the Action event of a toolbar item just might be
> a way to make an app crash on some platforms. It shouldn't, of
> course,
> but similar bugs have been found in the framework before -- it takes a
> lot of bullet-proofing to keep users from destroying things out from
> under you (from the framework's point of view).
>
> So, see if you can reproduce this with a toolbar item whose only code
> is:
>
> Self.Close
>
> If you can, then you have a nice simple bug to report. The work-
> around
> in that case is probably to activate a Timer with a very short period
> (e.g. 1) that calls Self.Close, since I'm sure any such problems in
> Timer events was fixed long ago.
Hmm, it is better however after 20 to 25 clicks on the different
toolitems I get the
"Application unexpectedly quit"
This is part of the crash report:
(hoping this would mean more to you than it does to me )
Date/Time: 2007-02-19 21:30:21.246 +0100
OS Version: 10.4.8 (Build 8L2127)
Report Version: 4
Command: Profile Builder.debug
Path: /Users/bartjan/Documents/ESF/develop/ProfileBuilder/Profile
Builder.debug.app/Contents/MacOS/Profile Builder.debug
Parent: WindowServer [56]
Version: (0.5.0a0)
PID: 4050
Thread: 0
Exception: EXC_BAD_ACCESS (0x0001)
Codes: KERN_PROTECTION_FAILURE (0x0002) at 0x0000000e
Thread 0 Crashed:
0 com.apple.HIToolbox 0x92dc9be2 HIObject::GetEventTarget() + 16
1 com.apple.HIToolbox 0x9306edf6
HIToolbar::CopySelectableItemIdentifiers() + 248
2 com.apple.HIToolbox 0x93071c69
_HIToolbarCopySelectableIdentifiers + 31
3 com.apple.HIToolbox 0x92e938ef HIToolbarItemView::ControlHitSelf
(OpaqueControlRef*, short, unsigned long) + 103
4 com.apple.HIToolbox 0x92df2160 HIView::EventHandler
(OpaqueEventHandlerCallRef*, OpaqueEventRef*, void*) + 9142
5 com.apple.HIToolbox 0x92dcc7eb DispatchEventToHandlers
(EventTargetRec*, OpaqueEventRef*, HandlerCallRec*) + 1093
6 com.apple.HIToolbox 0x92dcbe90 SendEventToEventTargetInternal
(OpaqueEventRef*, OpaqueEventTargetRef*, HandlerCallRec*) + 304
7 com.apple.HIToolbox 0x92dd30f0 SendEventToEventTarget + 56
8 com.apple.HIToolbox 0x92e86059 SendControlHit(HIView*, short,
unsigned long) + 187
9 com.apple.HIToolbox 0x92e85f46 HIView::NotifyControlHit(short,
unsigned long) + 34
10 com.apple.HIToolbox 0x92e8f707 HIView::ClickInternal(CGPoint
const&, unsigned long, void (*)(OpaqueControlRef*, short),
OpaqueEventRef*, bool) + 269
11 com.apple.HIToolbox 0x92e6abb3 HIView::ClickSelf
(OpaqueEventRef*) + 371
12 com.apple.HIToolbox 0x92df06fc HIView::EventHandler
(OpaqueEventHandlerCallRef*, OpaqueEventRef*, void*) + 2386
13 com.apple.HIToolbox 0x92dcc7eb DispatchEventToHandlers
(EventTargetRec*, OpaqueEventRef*, HandlerCallRec*) + 1093
14 com.apple.HIToolbox 0x92dcbe90 SendEventToEventTargetInternal
(OpaqueEventRef*, OpaqueEventTargetRef*, HandlerCallRec*) + 304
15 com.apple.HIToolbox 0x92dd30f0 SendEventToEventTarget + 56
16 com.apple.HIToolbox 0x92e6a8e7 HIView::Click(OpaqueEventRef*) + 329
17 com.apple.HIToolbox 0x92e6a723 HandleClickAsHIView + 145
18 com.apple.HIToolbox 0x92e02179 HandleWindowEvent + 2311
19 com.apple.HIToolbox 0x92e1236d StandardWindowEventHandler + 95
20 com.apple.HIToolbox 0x92dcc7eb DispatchEventToHandlers
(EventTargetRec*, OpaqueEventRef*, HandlerCallRec*) + 1093
21 com.apple.HIToolbox 0x92dcbe90 SendEventToEventTargetInternal
(OpaqueEventRef*, OpaqueEventTargetRef*, HandlerCallRec*) + 304
22 com.apple.HIToolbox 0x92dd30f0 SendEventToEventTarget + 56
23 com.apple.HIToolbox 0x92ee4598 SendEventFromMouseDown + 166
24 com.apple.HIToolbox 0x92e6a0c4 HandleWindowClick + 534
25 com.apple.HIToolbox 0x92e69b5f HandleMouseEvent + 872
26 com.apple.HIToolbox 0x92e12364 StandardWindowEventHandler + 86
27 com.apple.HIToolbox 0x92dcc7eb DispatchEventToHandlers
(EventTargetRec*, OpaqueEventRef*, HandlerCallRec*) + 1093
28 com.apple.HIToolbox 0x92dcbe90 SendEventToEventTargetInternal
(OpaqueEventRef*, OpaqueEventTargetRef*, HandlerCallRec*) + 304
29 com.apple.HIToolbox 0x92dd30f0 SendEventToEventTarget + 56
30 com.apple.HIToolbox 0x92dd3b12 ToolboxEventDispatcherHandler
(OpaqueEventHandlerCallRef*, OpaqueEventRef*, void*) + 2586
31 com.apple.HIToolbox 0x92dccba2 DispatchEventToHandlers
(EventTargetRec*, OpaqueEventRef*, HandlerCallRec*) + 2044
32 com.apple.HIToolbox 0x92dcbe90 SendEventToEventTargetInternal
(OpaqueEventRef*, OpaqueEventTargetRef*, HandlerCallRec*) + 304
33 com.apple.HIToolbox 0x92dd30f0 SendEventToEventTarget + 56
34 rbframework.dylib 0x003c7c59 SetFocusPane(SubPane*) + 493
35 rbframework.dylib 0x003c7f3d EventPump(unsigned char) + 435
36 rbframework.dylib 0x003c88bb UpdateMouseCursor() + 803
37 rbframework.dylib 0x003c830d CallFunctionWithExceptionHandling
(void (*)()) + 9
38 rbframework.dylib 0x003c8559 mainloop() + 115
39 rbframework.dylib 0x003775f4 RuntimeRun + 40
40 0x000cc50b REALbasic._RuntimeRun + 25
41 0x000b7b4c _Main + 153
42 0x00001484 % main + 36
43 0x001638fe _start + 116
44 0x00163854 start + 43
Thread 0 crashed with X86 Thread State (32-bit):
eax: 0x00000006 ebx: 0x92dc9bdf ecx: 0xa080fd04 edx: 0xffffffff
edi: 0x14dea370 esi: 0x00000006 ebp: 0xbfffe498 esp: 0xbfffe470
ss: 0x0000001f efl: 0x00010282 eip: 0x92dc9be2 cs: 0x00000017
Thanks for looking to this.
Bart Pietercil
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