From: Marcin Borkowski <mbork@mbork.pl>
To: Eli Zaretskii <eliz@gnu.org>
Cc: help-gnu-emacs@gnu.org
Subject: Re: How to define xref-find-definitions for a new mode?
Date: Mon, 11 Jun 2018 05:22:26 +0200 [thread overview]
Message-ID: <87y3fm80st.fsf@mbork.pl> (raw)
In-Reply-To: <83vaass334.fsf@gnu.org>
On 2018-06-09, at 11:48, Eli Zaretskii <eliz@gnu.org> wrote:
>> From: Marcin Borkowski <mbork@mbork.pl>
>> Cc: help-gnu-emacs@gnu.org
>> Date: Sat, 09 Jun 2018 11:10:22 +0200
>>
>> Thanks. Are there other places I could look into, like xref
>> implementation for a concrete language?
>
> In the sources for the respective languages, notably Lisp. Search for
> "xref-".
>
>> > (Btw, doesn't it already work? Etags is an existing back-end for
>> > Xref, and 'etags' the program already supports TeX and its
>> > derivatives, so it is able to create TAGS tables for LaTeX files.)
>>
>> Well, possibly, but I'd like it to work like for Elisp or JavaScript,
>> without a TAGS table.
>
> Is this likely to happen? Lisp and JavaScript know where to find
> functions and variables because they keep that information as part of
> defining them. I don't think TeX does anything similar, does it?
Why couldn't it (at least in theory)? If etags can do it, why not
Emacs? Also, I'm not sure JS does that.
>> Also, I want it to go to \label when on \ref, to \bib / \bibitem
>> when on \cite etc.
>
> Are you sure it doesn't work already? E.g., if \label is tagged, then
> "M-." on the tag's name at \ref should go to the label's definition.
Well, apparently it doesn't without the TAGS file. And even with it,
I couldn't make it to work. Also, amsrefs is not suppported.
Best,
--
Marcin Borkowski
http://mbork.pl
next prev parent reply other threads:[~2018-06-11 3:22 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-06-09 6:46 How to define xref-find-definitions for a new mode? Marcin Borkowski
2018-06-09 8:47 ` Eli Zaretskii
2018-06-09 9:10 ` Marcin Borkowski
2018-06-09 9:48 ` Eli Zaretskii
2018-06-11 3:22 ` Marcin Borkowski [this message]
2018-06-11 15:13 ` Eli Zaretskii
2018-06-15 4:49 ` Marcin Borkowski
2018-06-15 7:41 ` Eli Zaretskii
2018-06-15 8:59 ` Marcin Borkowski
2018-06-12 13:30 ` Dmitry Gutov
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