Re: syntax-propertize-function vs indentation lexer

[Stefan Monnier]

>> Although, using it for indentation makes speed a real concern:
>> in many cases one does "edit+reindent", so if you put a "full reparse"
>> between the two, it needs to be about as fast as instantaneous.
> That's how my current SMIE-based parser works, and it's "fast enough".

Very interesting.

> I'm working on replacing it with an LALR parser, because the resulting
> code is much cleaner.

Makes sense: if you're going to parse the whole buffer forward anyway,
the limitations of SMIE don't make much sense: they're there
specifically so you can parse backward on-the-fly instead of keeping
a full-parse around.


        Stefan