bug#61302: 29.0.60; rust-ts-mode does not show function-invocation on field-properties

[Dmitry Gutov]

On 19/02/2023 01:31, Randy Taylor wrote:

> Fix one bug, introduce another 😉.
>
> Any use declaration tail (I guess that's the lingo we're using?) should not 
> have a face applied to it if it's lowercase.

I guess we do. Unless you have better naming suggestions ;-)

> For example:
> ```
> use deeply::nested::function as other_function;
> ```
> function should not have any face applied to it.
>
> ```
> use a::b::{C, d, e::F, g::h::I, g::h::i};
> ```
> i should not have any face applied to it.
>
> Only if they are capitalized should we give them a face: font-lock-type-face.
> As it stands now, they are all font-lock-constant-face.
>
> The previous patch was perfect except for the missing use_as_clause queries - 
> if I add those back, I think everything is good unless I'm missing something.

Thanks for catching that, I missed one treesit-node-parent call when 
inlining a function.

> > > The variable feature is highlighting some things incorrectly (it was before 
> > > too, but I think it's a little worse now).
> > > Adding these to rust-ts-mode--variable-p takes care of the issues that I see.
> > > `((equal "extern_crate_declaration" parent-type) nil) ((equal "lifetime" parent-type) nil) ((equal 
> > > "scoped_type_identifier" parent-type) nil) ((equal "use_as_clause" parent-type) nil) ((equal 
> > > "use_list" parent-type) nil)`
> >
> > This should be taken care of by the new approach (enumeration of all
> > allowed parent types).
> Missing:
>       (closure_parameters (identifier) @font-lock-variable-name-face)

This one goes into the 'definition' feature. I just made that change 
today in emacs-29, check it out.

>       (field_initializer value: (identifier) @font-lock-variable-name-face)

Thanks, added. Also added unary_expression.

> Would it be possible to alphabetize the queries in the variable feature BTW? It 
> makes it easier to see what's there/missing.
> And you know I like things alphabetized 😉.

No problem! I generally like to group by functionality, but alphabetic 
is fine, and this case seems particularly suited to it.

See the revised in attachment.

rust-ts-fontify-scope-v4.diff
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