GNU bug report logs - #6097
23.1; PDB should pop "up" the stack on return

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From: David Abrahams <dave <at> boostpro.com>
To: 6097 <at> debbugs.gnu.org
Subject: bug#6097: 23.1; PDB should pop "up" the stack on return
Date: Tue, 04 May 2010 10:43:35 -0400

Please write in English if possible, because the Emacs maintainers
usually do not have translators to read other languages for them.

Your bug report will be posted to the bug-gnu-emacs <at> gnu.org mailing list,
and to the gnu.emacs.bug news group.

Please describe exactly what actions triggered the bug
and the precise symptoms of the bug:

1) Debug a python program using PDB, say

    def g():
        pass

    def h():
        pass

    def f():
        g()
        h()

2) step into g()
3) hit `n' until you see

   --Return--

   in the *gud* buffer

4) Note that the GUD line marker is still pointing at the last line of g,
   just as it was before the last `n'

5) Hit `n' again.  Note that the GUD line marker is now pointing at
   the first line of h()

It would be more consistent and easier to use if, at step 4, the line
marker indicated the 3rd line of f(), i.e. the call to h()


If Emacs crashed, and you have the Emacs process in the gdb debugger,
please include the output from the following gdb commands:
    `bt full' and `xbacktrace'.
If you would like to further debug the crash, please read the file
/Applications/Emacs.app/Contents/Resources/etc/DEBUG for instructions.


In GNU Emacs 23.1.1 (i386-apple-darwin9.8.0, NS apple-appkit-949.54)
 of 2009-08-16 on black.local
Windowing system distributor `Apple', version 10.3.1038
configured using `configure  '--with-ns''

Important settings:
  value of $LC_ALL: nil
  value of $LC_COLLATE: nil
  value of $LC_CTYPE: nil
  value of $LC_MESSAGES: nil
  value of $LC_MONETARY: nil
  value of $LC_NUMERIC: nil
  value of $LC_TIME: nil
  value of $LANG: nil
  value of $XMODIFIERS: nil
  locale-coding-system: nil
  default-enable-multibyte-characters: t

Major mode: Emacs-Lisp

Minor modes in effect:
  shell-dirtrack-mode: t
  diff-auto-refine-mode: t
  show-paren-mode: t
  server-mode: t
  global-auto-revert-mode: t
  delete-selection-mode: t
  tooltip-mode: t
  mouse-wheel-mode: t
  menu-bar-mode: t
  file-name-shadow-mode: t
  global-font-lock-mode: t
  font-lock-mode: t
  global-auto-composition-mode: t
  auto-composition-mode: t
  auto-encryption-mode: t
  auto-compression-mode: t
  line-number-mode: t
  transient-mark-mode: t

Recent input:
C-w C-s C-, C-, C-s l i n k s C-s C-s C-s C-s C-s C-s 
C-s C-s C-s C-n C-n C-p C-p C-p C-n C-n C-p C-p C-n 
C-n C-p C-x SPC C-x C-b C-x C-b C-x C-b b SPC p i p 
. i n d e x C-a C-k i m p o r t SPC p i p . i n d e 
x <return> C-x C-b C-x SPC C-x C-b C-x C-b C-x C-b 
M-p M-p M-n C-a M-d b C-e . P a c k a g e F i n d e 
r . _ _ i n i t _ _ <return> c <return> n <return> 
<return> <return> <return> <return> s <backspace> w 
h e r e <return> u <return> s <return> M-x f i n d 
- f u n <tab> <return> p d b <return> M-< C-n C-e C-n 
C-e C-, C-, C-, C-, C-, C-, C-s p d b C-s C-s C-s C-s 
C-s C-s C-s C-s C-s C-s C-s C-s C-s C-s C-s C-s C-s 
C-s C-s C-s C-s C-s C-s C-s C-s C-s C-s C-s C-s C-r 
C-r SPC s u p p C-r C-s C-s C-g M-< C-n C-n C-n C-n 
C-n C-n C-n C-n C-n C-n C-n C-n C-n C-n C-n C-n C-n 
C-n C-s p d b C-p C-p C-p C-p C-p C-p C-p C-p C-p C-p 
C-p C-p C-p C-p C-p C-p C-p C-p C-p C-p C-p C-p C-p 
C-p C-p C-p C-p C-p C-p C-p C-p C-p C-p C-p C-p C-p 
C-n C-n C-p C-p C-p C-p C-s p y t h o n C-g C-p C-p 
C-p C-p C-p C-p C-p C-p C-p C-p C-p C-p M-x r e p o 
r t - e m <tab> b u <tab> <return>

Recent messages:
pdbtrack: line 37, file /Users/dave/work/pipsync/int/pip/index.py
Mark set [2 times]
pdbtrack: line 142, file /Users/dave/work/pipsync/int/pip/commands/install.py
Mark set [2 times]
pdbtrack: line 708, file /Users/dave/work/pipsync/int/pip/req.py
uncompressing gud.el.gz...done
Mark set
Mark saved where search started
Mark set
Mark saved where search started
Quit

-- 
Dave Abrahams           Meet me at BoostCon: http://www.boostcon.com
BoostPro Computing
http://www.boostpro.com

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