Re: How to define xref-find-definitions for a new mode?

[Marcin Borkowski]

On 2018-06-09, at 10:47, Eli Zaretskii <eliz@gnu.org> wrote:

>> From: Marcin Borkowski <mbork@mbork.pl>
>> Date: Sat, 09 Jun 2018 08:46:07 +0200
>> 
>> I'd like to define xref-find-definitions for LaTeX (in AUCTeX).  Where
>> should I start?  Is there any documentation on how to add a new mode
>> support to xref?
>
> The only documentation is in xref.el itself.  In a nutshell, you need
> to implement a couple of methods in a way that is specific to LaTeX.

Thanks.  Are there other places I could look into, like xref
implementation for a concrete language?

> (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.  Also, I want it to go to \label when on \ref, to
\bib / \bibitem when on \cite etc.

Thanks,

-- 
Marcin Borkowski
http://mbork.pl