Re: Universal Ctags: Don't read config files; New 'ctagsoptfile' configuration variable

[Shigio YAMAGUCHI]

Hello,
> Please find attached a new patch that solves the problem of empty tag files
> (and no references/definitions returned by 'global') when using Universal 
> Ctags
> with particular configuration files. The problem is triggered by some 
> Universal
> Ctags options that alter the output format, making 'gtags' fail to parse its 
> output.
>
> The solution is to use '--options=NONE' at start of options passed to 
> Universal
> Ctags (and '--quiet' before to avoid a warning about skipping configuration 
> files).

Is it a bug fix?  If so, could you please let me know how to reproduce the bug?

> But it is sometimes useful to specify options to Universal Ctags that alter
> the list of returned tags (but not the format, e.g., '--kinds-C='). To this 
> end,
> I also added the 'ctagsoptfile' configuration option.

How to use 'ctagsoptfile' configuration variable?  Could you please show me
a concrete usage example?

> Not tested (even compiled) on Windows, although I modified the code for this 
> variant
> as well with care.

No problem. It is OK if tested on UNIX.

Regards,
Shigio

On Fri, Apr 7, 2023 at 8:07 PM Olivier Certner <ocert.dev@free.fr> wrote:
>
> Hello,
>
> Please find attached a new patch that solves the problem of empty tag files 
> (and no references/definitions returned by 'global') when using Universal 
> Ctags with particular configuration files. The problem is triggered by some 
> Universal Ctags options that alter the output format, making 'gtags' fail to 
> parse its output.
>
> The solution is to use '--options=NONE' at start of options passed to 
> Universal Ctags (and '--quiet' before to avoid a warning about skipping 
> configuration files).
>
> But it is sometimes useful to specify options to Universal Ctags that alter 
> the list of returned tags (but not the format, e.g., '--kinds-C='). To this 
> end, I also added the 'ctagsoptfile' configuration option.
>
> Not tested (even compiled) on Windows, although I modified the code for this 
> variant as well with care.
>
> Regards.
>
> --
> Olivier Certner



-- 
Shigio YAMAGUCHI <shigio@gnu.org>
PGP fingerprint:
26F6 31B4 3D62 4A92 7E6F  1C33 969C 3BE3 89DD A6EB