> On Apr 2, 2020, at 2:03 PM, 조성빈 <pcr910303@icloud.com> wrote:
> 
> Maybe it’s just because I got lost through a lot of emails, and Mail.app
> doesn't really thread these emails properly, but I can’t understand the
> resistance of the front-up parsing.
> 

I think we are just discussing if there is any way to not parse the whole buffer up front. (Which I consider unlikely because of the nature of parsing.)

> The current shipping CC-Mode is parsing most of the code front-up, and
> clearly tree sitter will be faster than that. AFAIU parsing code only by
> only looking through a peephole is super hard except for some languages
> that are designed for peephole processing - and that makes it only hard,
> not super hard.


Some modes doesn’t require a font-up parsing. IIRC, an example from an earlier message is javascript-mode.

Yuan