Re: etags-regen-mode: handling extensionless files

[Sean Whitton <spwhitton@spwhitton.name>]

Hello,

On Fri 20 Sep 2024 at 09:23pm +03, Dmitry Gutov wrote:

> Hi Sean,
>
> On 20/09/2024 12:20, Sean Whitton wrote:
>
>> I'm working on a Perl project which has .pm files (which should be added
>> to etags-regen-file-extensions; I've written mail about that) but also
>> programs intended for execution, which have no file extension:
>>      <https://salsa.debian.org/dgit-team/dgit>.
>> E.g. 'dgit' and 'git-debrebase' in the project root.
>> On the one hand, it makes sense not to index these files because they're
>> programs not libraries, so their internal definitions won't ever be
>> referenced elsewhere.
>
> They're probably referenced internally though, at least once.

Good point.

>> On the other hand, it would be nice just to be able to use a simple
>> M-. to jump to definition, and not have to think about whether the
>> function is defined in the program or in a library.
>> Should we have some etags defcustom that allows specifying extra files
>> to index?  Or, as another idea, maybe etags could somehow include
>> looking at what imenu finds?  Might be too clever.
>
> I guess we could add that extra option.
>
> But see my other email regarding etags' hashbang detection.

Hashbang detection would solve my problem elegantly.

Is my reading of the other thread correct that if we can fix the fortran
fallback then we can enable the hashbang detection?

-- 
Sean Whitton