Re: Xref Fallback

[Philip K.]

Dmitry Gutov <dgutov@yandex.ru> writes:

>> What I would want to know, is if there have been discussion on this
>> issue, what the status is, and if not what would have to be done. I can
>> imagine, that falling back onto the next backend isn't always desirable
>> (especially if etags is next, and it demands a TAGS file that doesn't
>> exist).
>
> How would you feel about creating an xref backend that would implement 
> the fallback logic? It would basically only do the combining, without 
> having any navigation logic of its own.
>
> This way users could include it in the xref-backend-functions to enable 
> fallback mechanics. The said combinator backend could also hardcode some 
> particular backends to skip.

This sounds interesting, I'll try to get something like this
working. Would this be merged into Xref, or should it be a separate package?