[Jprogramming] Recursion crash WAS: depth vector APL translation

[Henry Rich]

I can't get this to crash under JQt.  Can you provide detailed 
instructions (I know you did once, I just want to make sure I'm doing 
what you're doing)?

And can others reproduce this crash?

Henry Rich

On 5/23/2021 10:37 PM, Raul Miller wrote:
> This does not crash for me under jconsole.
>
> This does crash for me under jqt.
>
> This also crashes for me under jhs.
>
> Here's the message I get in jconsole from jhs:
>
> /Users/rauldmiller/Applications/j903/bin/jhs.command: line 2: 36569
> Segmentation fault: 11  "`dirname "$0"`/jconsole"
> ~addons/ide/jhs/core.ijs -js " init_jhs_'' "
>
> Here's the stack trace I get from jqt:
>
> Crashed Thread:        0  Dispatch queue: com.apple.main-thread
>
> Exception Type:        EXC_BAD_ACCESS (SIGSEGV)
> Exception Codes:       KERN_INVALID_ADDRESS at 0x0000000000000024
> Exception Note:        EXC_CORPSE_NOTIFY
>
> Termination Signal:    Segmentation fault: 11
> Termination Reason:    Namespace SIGNAL, Code 0xb
> Terminating Process:   exc handler [36601]
>
> VM Regions Near 0x24:
> -->
>      __TEXT                 000000010b381000-000000010b386000 [   20K]
> r-x/rwx SM=COW  /Users/USER/*
>
> Thread 0 Crashed:: Dispatch queue: com.apple.main-thread
> 0   libj.dylib                    0x000000011954a453 jtfa + 243
> 1   libj.dylib                    0x000000011954a2e1 freesymb + 545
> 2   libj.dylib                    0x000000011954aa60 jtmf + 208
> 3   libj.dylib                    0x000000011954ba48 jttpop + 216
> 4   libj.dylib                    0x00000001195428ca jdo + 362
> 5   libj.dylib                    0x0000000119542680 JDo + 112
> 6   libjqt.dylib                  0x000000010bf68df4
> Jcon::cmdSentence(std::__1::basic_string<char,
> std::__1::char_traits<char>, std::__1::allocator<char> >) + 116
> 7   libjqt.dylib                  0x000000010bf68c6a Jcon::cmdSentences() + 170
> 8   libjqt.dylib                  0x000000010bf6a368 Tedit::docmd(QString) + 184
> 9   libjqt.dylib                  0x000000010bf6b28a Tedit::enter() + 506
> 10  org.qt-project.QtWidgets      0x00000001140a530f
> QWidget::event(QEvent*) + 527
> 11  org.qt-project.QtWidgets      0x000000011414d11d QFrame::event(QEvent*) + 45
> 12  org.qt-project.QtWidgets      0x000000011422ddcf
> QTextEdit::event(QEvent*) + 415
> 13  org.qt-project.QtWidgets      0x000000011406982d
> QApplicationPrivate::notify_helper(QObject*, QEvent*) + 269
> 14  org.qt-project.QtWidgets      0x000000011406ad93
> QApplication::notify(QObject*, QEvent*) + 947
> 15  org.qt-project.QtCore          0x000000010bac9d84
> QCoreApplication::notifyInternal2(QObject*, QEvent*) + 212
> 16  org.qt-project.QtWidgets      0x00000001140c4151 0x114059000 + 438609
> 17  org.qt-project.QtWidgets      0x00000001140c3507 0x114059000 + 435463
> 18  org.qt-project.QtWidgets      0x000000011406982d
> QApplicationPrivate::notify_helper(QObject*, QEvent*) + 269
> 19  org.qt-project.QtWidgets      0x000000011406abd1
> QApplication::notify(QObject*, QEvent*) + 497
> 20  org.qt-project.QtCore          0x000000010bac9d84
> QCoreApplication::notifyInternal2(QObject*, QEvent*) + 212
> 21  org.qt-project.QtGui          0x000000010b3bcecf
> QGuiApplicationPrivate::processKeyEvent(QWindowSystemInterfacePrivate::KeyEvent*)
> + 191
> 22  org.qt-project.QtGui          0x000000010b3a2f8b
> QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>)
> + 219
> 23  org.qt-project.QtGui          0x000000010b39de75
> QWindowSystemInterface::flushWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>)
> + 581
> 24  libqcocoa.dylib                0x0000000116830368 0x116801000 + 193384
> 25  libqcocoa.dylib                0x0000000116830538 0x116801000 + 193848
> 26  com.apple.AppKit              0x00007fff3bb52367
> -[NSWindow(NSEventRouting) _reallySendEvent:isDelayedEvent:] + 6840
> 27  com.apple.AppKit              0x00007fff3bb50667
> -[NSWindow(NSEventRouting) sendEvent:] + 478
> 28  libqcocoa.dylib                0x0000000116833975 0x116801000 + 207221
> 29  com.apple.AppKit              0x00007fff3b9f0889
> -[NSApplication(NSEvent) sendEvent:] + 2953
> 30  libqcocoa.dylib                0x000000011683a9fa 0x116801000 + 236026
> 31  com.apple.AppKit              0x00007fff3b9de5c0 -[NSApplication run] + 755
> 32  libqcocoa.dylib                0x00000001168370d3 0x116801000 + 221395
> 33  org.qt-project.QtCore          0x000000010bac539f
> QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) + 431
> 34  libjqt.dylib                  0x000000010bf5d040 state_run + 176
> 35  jqt                            0x000000010b38552e main + 1022
>
> I hope this helps,
>


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