Re: How to add pseudo vector types

[Stephen Leake]

Eli Zaretskii <eliz@gnu.org> writes:

>> From: Stephen Leake <stephen_leake@stephe-leake.org>
>> Cc: casouri@gmail.com,  monnier@iro.umontreal.ca,  emacs-devel@gnu.org
>> Date: Wed, 21 Jul 2021 08:49:15 -0700
>> 
>> > I fail to see the significance of the difference.  Surely, you could
>> > hand it a block of text with changes to mean that this block replaces
>> > the previous version of that block.  It might take the parser more
>> > work to update the parse tree in this case, but if it's fast enough,
>> > that won't be the problem.  Right?
>> 
>> tree-sitter doesn't store the previous text, so there's nothing to
>> compare it to.
>
> There was nothing about comparison in my text.  You tell TS that
> editing replaced a block of text between A and B with block between A
> and C, without revealing the fine-grained changes inside that block.
> This must work, because editing could indeed do just that.

I see; treat the whole block as one change. Yes, that would work, but it
would probably be less optimal than sending a list of smaller changes;
depends on the details.

-- 
-- Stephe