Re: [PATCH] Re: cc-mode fontification feels random

[Perry E. Metzger]

On 8/30/21 14:50, Alan Mackenzie wrote:
> > For years and years now, I've been thinking we just need more
> > deterministic parser-and-based mode support, and I still think that, but
> > on a realistic level, that doesn't seem to be coming any time soon.

I note that Tree Sitter integration is in active development now...

> > In the meantime, is there any general approach we might be able to use
> > to get stuff like the attached to stop happening?
> Here, "stuff like the attached" was having some types correctly
> fontified, others not.  This was due to the order, somewhat random, in
> which a type is recognised as such and entered into a CC Mode table, and
> its use being scanned in a jit-lock chunk.
>
> The following patch is an attempt to improve this situation.

I think we are inevitably hitting the wall here, because it is not 
possible to parse a context free grammar with regular expressions. One 
can only move around the suck, one can't actually remove it without 
parsing the underlying language.


Perry