From: Dmitry Gutov <dgutov@yandex.ru>
To: "Francesco Potortì" <pot@gnu.org>
Cc: 20629@debbugs.gnu.org
Subject: bug#20629: 25.0.50; Regression: TAGS broken, can't find anything in C++ files.
Date: Sat, 30 May 2015 21:13:30 +0300 [thread overview]
Message-ID: <5569FDCA.4030801@yandex.ru> (raw)
In-Reply-To: <E1Yyk8k-0003N3-4V@tucano.isti.cnr.it>
On 05/30/2015 08:01 PM, Francesco Potortì wrote:
> Sorry if I don't closely follow the discussion (I do not know all the
> internals of etags.el), and consequently sorry if I am misanderstanding
> anything. In that case, please discard my observations below.
I don't think I'm misunderstanding: it's mainly a problem of terminology.
> I fear I can read in the above quotes a fundamental misunderstanding.
> If Emacs (etags.el or anything else) treats implicit tags differently
> from explicit tags, that's an error.
It has different predicates, to determine whether point is after an
"implicit tag name" for a given string. Or whether it's after an
"explicit tag name", or some other kind of match.
> Implicit tags are semantically the same as explicit tags. Whether a tag
> is implicit or explicit, it's only a matter of efficiency in building
> the TAGS file. For a given TAGS file entry, there is either no tag, or
> an implicit tag, or an explicit tag.
Maybe we should say that there's always a "tag name", for a given entry.
And we can determine it by looking at the tag name field, or, in the
absence of it, implicitly determine from the pattern.
It's easier to call the value of the tag name field an "explicit tag",
and the value that we can derive from the pattern an "implicit tag". And
if the explicit tag is present, naturally they'll be different.
> The latter two cases should be
> treated exactly alike by whichever program is reading the TAGS file.
> Nor is it possible that for a given entry its implicit tag does not
> match its explicit tag, because either the former or the latter are
> present, not both.
This confirms that we should always disregard implicit tag when the
explicit tag is present.
next prev parent reply other threads:[~2015-05-30 18:13 UTC|newest]
Thread overview: 93+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-05-22 5:57 bug#20629: 25.0.50; Regression: TAGS broken, can't find anything in C++ files Jan D.
2015-05-23 11:54 ` Jan Djärv
2015-05-23 12:04 ` Dmitry Gutov
2015-05-23 12:15 ` Jan Djärv
2015-05-23 12:18 ` Dmitry Gutov
2015-05-23 12:28 ` Jan Djärv
2015-05-23 12:39 ` Dmitry Gutov
2015-05-23 13:51 ` Eli Zaretskii
2015-05-23 13:50 ` Eli Zaretskii
2015-05-23 14:46 ` Eli Zaretskii
2015-05-23 15:56 ` Eli Zaretskii
2015-05-25 15:15 ` Eli Zaretskii
2015-05-25 21:17 ` Dmitry Gutov
2015-05-26 2:35 ` Eli Zaretskii
2015-05-26 10:16 ` Dmitry Gutov
2015-05-26 15:06 ` Eli Zaretskii
2015-05-26 19:00 ` Dmitry Gutov
2015-05-26 19:23 ` Eli Zaretskii
2015-05-26 21:01 ` Stefan Monnier
2015-05-28 11:54 ` Dmitry Gutov
2015-05-28 12:59 ` Dmitry Gutov
2015-05-26 23:56 ` Dmitry Gutov
2015-05-27 14:28 ` Eli Zaretskii
2015-05-27 15:28 ` Dmitry Gutov
2015-05-27 15:46 ` Eli Zaretskii
2015-05-27 15:54 ` Dmitry Gutov
2015-05-27 16:23 ` Eli Zaretskii
2015-05-27 23:50 ` Dmitry Gutov
2015-05-28 2:50 ` Eli Zaretskii
2015-05-28 10:22 ` Dmitry Gutov
2015-05-28 14:56 ` Eli Zaretskii
2015-05-28 15:32 ` Dmitry Gutov
2015-05-28 16:34 ` Eli Zaretskii
2015-05-29 0:09 ` Dmitry Gutov
2015-05-29 6:48 ` Glenn Morris
2015-05-29 8:09 ` Eli Zaretskii
2015-05-29 12:34 ` Francesco Potortì
2015-05-29 9:27 ` Dmitry Gutov
2015-05-29 8:12 ` Eli Zaretskii
2015-05-29 14:05 ` Dmitry Gutov
2015-05-29 16:51 ` Stefan Monnier
2015-05-29 17:12 ` Dmitry Gutov
2015-05-29 19:19 ` Stefan Monnier
2015-05-29 20:33 ` Dmitry Gutov
2015-05-29 21:41 ` etags completion table (was: bug#20629: 25.0.50; Regression: TAGS broken, can't find anything in C++ files) Stefan Monnier
2015-05-29 23:58 ` etags completion table Dmitry Gutov
2015-05-30 4:00 ` Stefan Monnier
2015-05-30 11:50 ` Dmitry Gutov
2015-05-31 0:57 ` Stefan Monnier
2015-05-29 18:28 ` bug#20629: 25.0.50; Regression: TAGS broken, can't find anything in C++ files Eli Zaretskii
2015-05-29 20:01 ` Dmitry Gutov
2015-05-29 20:35 ` Eli Zaretskii
2015-05-29 22:36 ` Dmitry Gutov
2015-05-30 6:52 ` Eli Zaretskii
2015-05-30 12:52 ` Dmitry Gutov
2015-05-30 13:03 ` Eli Zaretskii
2015-05-30 14:21 ` Francesco Potortì
2015-05-30 14:44 ` Dmitry Gutov
2015-05-28 11:35 ` Francesco Potortì
2015-05-28 11:46 ` Dmitry Gutov
2015-05-28 12:16 ` Francesco Potortì
2015-05-28 13:00 ` Dmitry Gutov
2015-05-28 13:12 ` Francesco Potortì
2015-05-28 15:04 ` Eli Zaretskii
2015-05-28 15:14 ` Francesco Potortì
2015-05-28 15:29 ` Francesco Potortì
2015-05-29 17:13 ` Dmitry Gutov
2015-05-30 12:06 ` Eli Zaretskii
2015-05-30 12:30 ` Dmitry Gutov
2015-05-30 12:46 ` Eli Zaretskii
2015-05-30 13:42 ` Dmitry Gutov
2015-05-30 14:31 ` Eli Zaretskii
2015-05-30 15:03 ` Dmitry Gutov
2015-05-30 16:37 ` Eli Zaretskii
2015-05-30 17:46 ` Dmitry Gutov
2015-05-30 18:46 ` Eli Zaretskii
2015-05-30 19:42 ` Dmitry Gutov
2015-11-26 3:23 ` Dmitry Gutov
2015-11-26 15:43 ` Eli Zaretskii
2015-11-26 16:12 ` Dmitry Gutov
2015-11-26 16:32 ` Eli Zaretskii
2015-11-27 3:54 ` Dmitry Gutov
2016-03-19 18:45 ` Eli Zaretskii
2015-05-30 17:01 ` Francesco Potortì
2015-05-30 18:13 ` Dmitry Gutov [this message]
2015-05-30 18:42 ` Eli Zaretskii
2015-05-30 19:35 ` Francesco Potortì
2015-05-30 20:04 ` Dmitry Gutov
2015-05-30 22:35 ` Francesco Potortì
2015-05-31 0:34 ` Dmitry Gutov
2015-05-31 21:46 ` bug#20629: Fwd: bug#20703: 24.4; Stack overflow in regexp matcher Francesco Potortì
2015-05-31 22:20 ` Dmitry Gutov
2015-05-31 22:40 ` Francesco Potortì
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