[Python-Dev] co_lnotab and SET_LINENO (fwd)
Thu, 13 Jul 2000 15:16:04 +0200 (CEST)
Maybe I should foward this to c.l.py as a CFP, detailing somewhat
the issue and ask for contributions from people who are using the
I won't do it if there's no a serious intent of including it, though.
The contributions would require inspection, testing & possibly further
improvements. I do volunteer for championing discussions and testing
of this (relatively minor, but delicate) feature.
> Vladimir Marangozov wrote:
> > Ka-Ping Yee wrote:
> > >
> > > Now that we have co_lnotab, why do we still generate
> > > SET_LINENO opcodes?
> > It has been discussed before. To summarize:
> > - because these opcodes generate the callbacks from C to Python
> > - the debugger relies on them
> > - I haven't had the time to look seriously at the debugger and
> > make it work without them. (this relates with breakpoints setting
> > which requires generating callbacks for every source line)
> > And this is where we are. If you're volunteering to look into this,
> > I'll spend some time summarizing the pointers about this thread +
> > the existing code in the area. Otherwise, I won't bother <wink>
> OK, if someone wants to play with this, see:
> http://starship.python.net/~vlad/lineno/ for (working at the time) patches
> Discussions on python-dev:
> - http://www.python.org/pipermail/python-dev/2000-April/subject.html
> Subject: "Why do we need Traceback Objects?"
> - http://www.python.org/pipermail/python-dev/1999-August/002252.html
> I'd be happy to discuss the topic again, offline, with any volunteer(s)
> willing to take over (and to look closely at the debugger issue --
> I don't use the debugger and I can't make the time for it).
Vladimir MARANGOZOV | Vladimir.Marangozov@inrialpes.fr
http://sirac.inrialpes.fr/~marangoz | tel:(+33-4)76615277 fax:76615252