[ESS] ess-tracebug, edtdbg

Vitalie S. spinuvit.list at gmail.com
Sat Dec 11 13:29:26 CET 2010

Norm Matloff <matloff at cs.ucdavis.edu> writes:

> I tried ess-tracebug, and it looks very nice.  From my point of view as
> an advocate of use of debugging tools (and as the author of a book on
> debugging), the more tools like this users have to choose from, the
> better.
> Concerning my edtdbg, unfortunately no one seems to have found the cause
> of emacsclient working in Emacs 22 but not Emacs 23.  I'm going to seek 
> help from a general Emacs mailing list, but if that fails, I will resort
> to communication from R to Emacs via files.

Dear Norm,

When I started developing ess-tracebug I was inspired by edtdbg and
even implemented the first version by copying the etddbg idea to use R's sink

I  avoided emacsclient and implemented the communication via files. Must admit,
it was a nightmare. It worked extremely unreliable with no explicit errors and
obscure bugs which I do not understand even to this day.

In ess-tracbug I am using the process-filter to do all the processing directly
in emacs. This is of course very customized to emacs solution. The aim of etddbg
is broader, to offer a uniform debug capabilities to different
applications. This makes this two projects a complementaries and not competitors
and worth developing both.

I didn't have time to dwell into emacs interface to etddbg. Hopefully will be
able to do it these days. Quite sure that will find many things to learn over


> Norm
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