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Re: [ANN] faster org-table-to-lisp
From: |
Nicolas Goaziou |
Subject: |
Re: [ANN] faster org-table-to-lisp |
Date: |
Fri, 01 May 2020 12:15:22 +0200 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/26.3 (gnu/linux) |
Hello,
tbanelwebmin <address@hidden> writes:
> Nicolas, how did you do that? Your version is 25% faster than mine,
> and the code is 33% shorter! Very elegant.
Thank you. There's nothing fancy, really.
The main difference is that it does not call `org-table-end'. Minor
tweaks are:
- use simpler regexps,
- call `skip-chars-forward' whenever possible.
> Sorry, I may not understood what you said:
> = Since you're changing the signature, I suggest to provide the table
> = element instead of ORG-AT-TABLE-P. AFAICT, `org-babel-read-element',
> = through `org-babel-read-table', would greatly benefit from this.
>
> Could you elaborate (if still relevant)?
If you know the table ELEMENT, you don't need to check if you're at
a table, nor do you need to compute table boundaries. We could have made
use of this information to avoid a call to `org-at-table-p', much like
your initial intent.
Thinking about it, we don't even need to call `org-at-table-p' at all.
Indeed, this is a low-level, non-interactive, function. We can
reasonably expect the callers to check if they are really at a table in
the first place.
It would increase speed for this function noticeably, and the ELEMENT
argument would not be relevant anymore.
WDYT?
> The side effect of `re-search-forward' was to advance point, while
> `looking-at' don't move.
Ah true. I overlooked that.
Regards,
--
Nicolas Goaziou