bug#59833: 29.0.60; json-ts-mode fontifies everything as string

[Randy Taylor]

On Monday, December 5th, 2022 at 08:52, Randy Taylor <dev@rjt.dev> wrote:
> 
> On Monday, December 5th, 2022 at 06:24, Theodor Thornhill theo@thornhill.no 
> wrote:
> 
> > Jostein Kjønigsen jostein@secure.kjonigsen.net writes:
> > 
> > > Hey everyone.
> > > 
> > > When opening a JSON-file in a build from emacs git emacs-29
> > > release-branch, Emacs still defaults to json-mode.
> > > 
> > > Fontification in json-mode looks correct and proper.
> > > 
> > > When trying to insteas use json-ts-mode, literally everything is
> > > fontified as strings.
> > > 
> > > When I change the code to disable the string-fontification rule, this
> > > yields a buffer where everything is fontified using default-face. That
> > > is, no other fontification is taking place.
> > > 
> > > Have this mode really been tested? Should it be working? Or is there an
> > > error on my end?
> > > 
> > > Could someone else please give json-ts-mode a try?
> > 
> > Yeah, you are correct. It seems we've had a regression in this commit,
> > 0ed313642227afdeccf48057eea458edca9d2962.
> > 
> > I believe this is the offending commit - what do you think, Randy?
> > 
> > Specifically the lhs should be fontified differently than the rhs, so
> > not everything is a string.
> > 
> > Do you want to do that, Randy, or should I?
> > 
> > Theo
> 
> 
> Can someone show me an example JSON file that shows this problem? Everything 
> looks the same for me in json-mode and json-ts-mode, except for the 
> json-ts-mode extras (even with Theo's patch) both with my own Emacs config 
> and emacs -Q. I must be doing something very silly.

Scratch that, I got Theo's patch working, needed to rebuild. Looks good to me 
(although it would be nice to keep treesit-font-lock-feature-list alphabetized 
Theo ;)).

json-mode still fontifies pretty much everything as a string though (at least 
for me).