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From: Eli Zaretskii <eliz@gnu.org>
To: Alan Mackenzie <acm@muc.de>
Cc: emacs-devel@gnu.org
Subject: Re: scratch/accurate-warning-pos: next steps.
Date: Mon, 10 Dec 2018 20:39:56 +0200	[thread overview]
Message-ID: <83zhtd1b0j.fsf@gnu.org> (raw)
In-Reply-To: <20181210182830.GD4188@ACM> (message from Alan Mackenzie on Mon,  10 Dec 2018 18:28:30 +0000)

> Date: Mon, 10 Dec 2018 18:28:30 +0000
> Cc: emacs-devel@gnu.org
> From: Alan Mackenzie <acm@muc.de>
> 
> > I don't think I understood when will this alternative interpreter be
> > used, and when will the "primary" one be used.  Can you elaborate on
> > that?
> 
> Yes.  The alternative interpreter would be used only for byte
> compilation (and possibly other programs which want to use the symbols
> with position mechanism), the primary one will be used at all other
> times.

Then how about invoking this alternative interpreter only if the prime
interpreter detected a warning or error while byte-compiling?  You
could invoke the alternative interpreter only on the form where the
problem was detected, with the goal of "drilling down" to find the
exact position of the problematic symbol(s).

This would have the advantage of not only avoiding the slow-down in
the "prime" interpreter, but also avoiding slowing down byte
compilation of error-free sources.

Does this make sense?



  reply	other threads:[~2018-12-10 18:39 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-12-10 18:00 scratch/accurate-warning-pos: next steps Alan Mackenzie
2018-12-10 18:15 ` Eli Zaretskii
2018-12-10 18:28   ` Alan Mackenzie
2018-12-10 18:39     ` Eli Zaretskii [this message]
2018-12-10 19:35       ` Alan Mackenzie
2018-12-10 20:06         ` Eli Zaretskii
2018-12-10 21:03           ` Alan Mackenzie
2018-12-11  6:41             ` Eli Zaretskii
2018-12-11 19:21               ` Stefan Monnier
2018-12-11 19:07             ` Stefan Monnier
2018-12-10 23:54 ` Paul Eggert
2018-12-11 11:34   ` Alan Mackenzie
2018-12-11 18:05     ` Paul Eggert
2018-12-11 19:20       ` Alan Mackenzie
2018-12-11 19:59         ` Paul Eggert
2018-12-11 20:51           ` Alan Mackenzie
2018-12-11 21:11             ` Stefan Monnier
2018-12-11 21:35               ` Alan Mackenzie
2018-12-11 22:58                 ` Stefan Monnier
2018-12-11 21:43             ` Paul Eggert

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