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Re: Using incremental parsing in Emacs

From: Eli Zaretskii
Subject: Re: Using incremental parsing in Emacs
Date: Mon, 06 Jan 2020 05:39:34 +0200

> From: Stefan Monnier <address@hidden>
> Cc: Eli Zaretskii <address@hidden>,  address@hidden,  emacs-devel
>  <address@hidden>
> Date: Sun, 05 Jan 2020 17:10:08 -0500
> > As per tree-sitter docs:
> >
> > 1. You start parsing via ts_parser_parse(in a separate thread).
> > 2. Document is changed
> > 3. Call ts_parser_set_cancellation_flag
> The question is how quickly this stops the parsing: any delay here
> is very costly because the Elisp execution will have to sit idly waiting
> for the parser to stop before it can continue its own execution.

I think we will have full control of that anyway, because we will
provide a reader function to access buffer text, so we can always
signal EOB to tree-sitter and/or stop it in its tracks.

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