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Re: [Gcl-devel] Who is maintaining the emacs lisp code, e.g. dbl.el?

From: Rocky Bernstein
Subject: Re: [Gcl-devel] Who is maintaining the emacs lisp code, e.g. dbl.el?
Date: Mon, 11 Sep 2017 07:25:42 -0400

Thanks for the offer. I appreciate it. Here is what I've been able to learn about dbl.el and sshell.el from looking at git history and from the maxima mailing list.

First, these were written by William F. Schelter around 1998 at a time when GNU Emacs was very different. He unfortunately has passed away and no one has been maintaining the code.

The current state of the art for LISP debugging in Emacs is SLIME (Superior Lisp Interaction Mode in Emacs) and that is in active development.

Realgud is simply a front-end for various debuggers like gdb, pdb, perldb. Think of it as a replacement for gud which is where it derives its name.

realgud also supports some more exotic debuggers like the debuggers for GNU make, bash and zsh. The project is located at https://github.com/realgud and you can install it from either ELPA and the official Emacs lisp package repository, or via MELPA for newer versions. The list of debugger it covers is https://github.com/realgud/realgud/wiki/Debuggers-Supported

As best as I can tell, no one is using dbl.el or sshell.el and the code is duplicated with code from maxima. Given this and its unmaintained state, my recommendation is to remove these altogether as they are enticing users to go down a road that may be fraught with problems and cause them to contemplate improving code that would be better spent on one of the better packages.

So if there are features that people use in either of them, let them speak up here and we can consider adding them to some other currently-maintained Emacs package.

On Sun, Sep 10, 2017 at 9:07 AM, Camm Maguire <address@hidden> wrote:
Greetings, and thanks for your interest here.  I would be happy in
working with you to update/improve this code.  I have written a few
emacs modes which I find useful, but am by no means an expert.
Emacs/common-lisp mode initiatives seem to have proliferated (ilisp,
slime,...) and I remain unfamiliar with the state of play.  Hopefully
the community has consolidated on something.  And hopefully that
something does not require large extra-ansi-common-lisp support packages
such as ffi/asdf, etc., all of which are great to support but without
intertwining dependencies.

What is realgud?  I have also been pondering closer GCL integration with
gdb (and gprof) based on GCL's native handling of ELF object code.

Take care,

Rocky Bernstein <address@hidden> writes:

> I started looking at dbl.el ,sshell.el and so on with an eye to integrating it into realgud  for debugging gcl.
> The copyright in the files hasn't changed from 1998 and is maintained by William F. Schelter who unfortunately seems to have passed on. And looking
> from git it looks like indeed the code hasn't changed since around the. But Emacs definitely has.
> So are people still using dbl.el and sshell.el?
> I asked the same question on the maxima-devel mailing list and the answer I got was that this was unmaintained code.
> _______________________________________________
> Gcl-devel mailing list
> address@hidden
> https://lists.gnu.org/mailman/listinfo/gcl-devel

Camm Maguire                                        address@hidden
"The earth is but one country, and mankind its citizens."  --  Baha'u'llah

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