Re: Reliable after-change-functions (via: Using incremental parsing in Emacs)

[Eli Zaretskii]

> From: Stefan Monnier <address@hidden>
> Cc: address@hidden,  address@hidden,  address@hidden
> Date: Tue, 31 Mar 2020 13:10:27 -0400
> 
> >> How large is "very large" here?
> > xdisp.c comes to mind, obviously.
> 
> I'd expect tree-sitter to be able to parse xdisp.c in one second or less.

One second of delay before the first window-full is displayed?  This
is like infinity.

And you didn't account for the time to take buffer-string of the
entire buffer (which involves allocating a large chunk of memory),
then encode it in UTF-8 (which needs to allocate another chunk of
memory), and pass that to tree-sitter.  If that's what the current
interface does.