[Octave-bug-tracker] [bug #44163] [GUI] Ghost breakpoints in editor

[Philip Nienhuis]

URL:
  <http://savannah.gnu.org/bugs/?44163>

                 Summary: [GUI] Ghost breakpoints in editor
                 Project: GNU Octave
            Submitted by: philipnienhuis
            Submitted on: Mon 02 Feb 2015 09:53:50 PM CET
                Category: GUI
                Severity: 3 - Normal
                Priority: 5 - Normal
              Item Group: Incorrect Result
                  Status: None
             Assigned to: None
         Originator Name: Philip Nienhuis
        Originator Email: 
             Open/Closed: Open
         Discussion Lock: Any
                 Release: dev
        Operating System: Microsoft Windows

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Details:

During m-file debug sessions, sometimes breakpoints and "position pointers"
(the yellow arrow before the line with the next instruction to be executed)
aren't erased when clicking the "clear breakpoints" button. Also, those
"sticky" or "ghost" breakpoints aren't functional anymore - execution just
continues.
If it were just cosmetic it wouldn't be very severe, but I also find that I
cannot re-set a breakpoint at the position of that "sticky" non-functional
breakpoint. The only way out is to close the file and re-read it into the
editor.

This behavior has been around for a long time (> 1 year); I haven't been able
to devise a reliable scheme to reproduce it so didn't report it. But maybe
now, with 4.0.0 approaching, is the time to bring it up anyway.

One scenario where I often encounter it when having edited a file with
breakpoints present; if lines have been inserted or deleted it occurs more
often; saving the file sometimes makes it happen more quickly as well.

As I do little Octave dev work on Linux I can't remember if I encountered it
on Linux, I think not, so I've set OS to "Windows".





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