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Re: Using incremental parsing in Emacs

From: Alan Third
Subject: Re: Using incremental parsing in Emacs
Date: Sun, 5 Jan 2020 19:16:52 +0000

On Sun, Jan 05, 2020 at 09:07:40AM -0800, Stephen Leake wrote:
> Alan Third <address@hidden> writes:
> > On Sat, Jan 04, 2020 at 03:43:13PM -0500, Stefan Monnier wrote:
> >> I'm pretty far behind in my backlog, so can't say much yet, but IMO the
> >> design of some "next generation font-lock / syntax-ppss / indentation /
> >> navigation" infrastructure should start by considering the use of
> >> multiple CPUs.  That's actually one of the benefits of the LSP approach ;-)
> >
> > My understanding is that tree sitter also supports parallel parsing of
> > a single file.
> Can you point to some literature on this? I've never heard of parallel
> parsing (other than a generalized LR parser, which is _not_ a speed up :).

I think you’re right and I’ve misunderstood a part of the video. It’s
a generalized LR parser, and it won’t be faster, just handles
ambiguous code better.
Alan Third

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