bug#60484: 29.0.60; c-ts-mode: short tokens are not identified as type_identifier

[Eli Zaretskii]

> Date: Mon, 02 Jan 2023 18:13:34 +0530
> From: Mohammed Sadiq <sadiq@sadiqpk.org>
> Cc: 60484@debbugs.gnu.org
> 
> On 2023-01-02 17:45, Eli Zaretskii wrote:
> >> Date: Mon, 02 Jan 2023 10:22:09 +0530
> >> From: Mohammed Sadiq <sadiq@sadiqpk.org>
> >> 
> >> Short tokens are not identified as type_identifier in GNU Emacs
> >> c-ts-mode, but does work fine with tree-sitter playground[0].
> >> 
> >> Say for example, 'a_type' in an empty buffer is identified as a
> >> type_identifier in tree-sitter playground, but not in c-ts-mode,
> >> while say, some longer tokens like 'window_type' is identified as
> >> type_identifier.
> > 
> > Where is it written that FOO_type is a type identifier?  is this
> > something new in some recent C Standard?  Or is it just a popular
> > convention?
> 
> 'a_type' was just a made up example, it can be any valid token, say
> 'g_file', or whatever.  I was pointing out a disparity in handling of
> some token in c-ts-mode and tree-sitter: tree-sitter identifiers a 6
> byte length token as an identifier, but c-ts-mode requires it to be
> at least 11 byte sized for custom types.

I'm not sure I see a problem here.  It sounds like different
heuristics to me.  Nothing says that g_file is a type, only its
parsing can tell.