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bug#63861: [PATCH] pp.el: New "pretty printing" code
From: |
Thierry Volpiatto |
Subject: |
bug#63861: [PATCH] pp.el: New "pretty printing" code |
Date: |
Wed, 07 Jun 2023 14:10:22 +0000 |
Stefan Monnier via "Bug reports for GNU Emacs, the Swiss army knife of
text editors" <bug-gnu-emacs@gnu.org> writes:
> Tags: patch
>
> I've often been annoyed by the way `ielm` "pretty prints" data,
> so I wrote my own pretty printer, which has evolved over the years.
> I believe it has finally reached a state which may be acceptable
> to more than just myself.
>
> The new code is in a new function `pp-region`.
> The old code redirects to the new code if `pp-buffer-use-pp-region` is
> non-nil, tho I'm not sure we want to bother users with such
> a config var. Hopefully, the new code should be good enough that users
> don't need to choose. Maybe I should make it a `defvar` and have it
> default to t, so new users will complain if it's not good enough?
I tried your code and it looks very slow (but looks nice once printed).
Testing on my bookmark-alist printed in some buffer.
Here with a slightly modified version of pp-buffer (not much faster than
the original one):
(benchmark-run-compiled 1 (pp-buffer))
=> (6.942135047 0 0.0)
And here with your version (using pp-region):
(benchmark-run-compiled 1 (pp-buffer))
=> (46.141411097 0 0.0)
For describe variable I use a modified version of `pp` which is very
fast (nearly instant to pretty print value above) but maybe unsafe with
some vars, didn't have any problems though, see
https://github.com/thierryvolpiatto/emacs-config/blob/main/describe-variable.el.
>
> Stefan
>
>
> In GNU Emacs 30.0.50 (build 2, x86_64-pc-linux-gnu, X toolkit, cairo
> version 1.16.0, Xaw3d scroll bars) of 2023-05-24 built on pastel
> Repository revision: 41b6b907d4cf2f8c302647dc63c5d9c94f9f01d6
> Repository branch: work
> Windowing system distributor 'The X.Org Foundation', version 11.0.12011000
> System Description: Debian GNU/Linux 11 (bullseye)
>
> Configured using:
> 'configure -C --enable-checking --enable-check-lisp-object-type
> --with-modules --with-cairo --with-tiff=ifavailable
> 'CFLAGS=-Wall -g3 -Og -Wno-pointer-sign'
> PKG_CONFIG_PATH=/home/monnier/lib/pkgconfig'
>
>
--
Thierry
- bug#63861: [PATCH] pp.el: New "pretty printing" code, (continued)
- bug#63861: [PATCH] pp.el: New "pretty printing" code, Visuwesh, 2023/06/08
- bug#63861: [PATCH] pp.el: New "pretty printing" code, Stefan Monnier, 2023/06/09
- bug#63861: [PATCH] pp.el: New "pretty printing" code, Ihor Radchenko, 2023/06/09
- bug#63861: [PATCH] pp.el: New "pretty printing" code, Stefan Monnier, 2023/06/09
- bug#63861: [PATCH] pp.el: New "pretty printing" code, Visuwesh, 2023/06/09
- bug#63861: [PATCH] pp.el: New "pretty printing" code, Visuwesh, 2023/06/09
- bug#63861: [PATCH] pp.el: New "pretty printing" code, Juri Linkov, 2023/06/05
- bug#63861: [PATCH] pp.el: New "pretty printing" code, Stefan Monnier, 2023/06/07
- bug#63861: [PATCH] pp.el: New "pretty printing" code, Juri Linkov, 2023/06/07
- bug#63861: [PATCH] pp.el: New "pretty printing" code, Stefan Monnier, 2023/06/07
bug#63861: [PATCH] pp.el: New "pretty printing" code,
Thierry Volpiatto <=
bug#63861: [PATCH] pp.el: New "pretty printing" code, Stefan Monnier, 2023/06/08
- bug#63861: [PATCH] pp.el: New "pretty printing" code, Thierry Volpiatto, 2023/06/08
- bug#63861: [PATCH] pp.el: New "pretty printing" code, Stefan Monnier, 2023/06/08
- bug#63861: [PATCH] pp.el: New "pretty printing" code, Stefan Monnier, 2023/06/08
- bug#63861: [PATCH] pp.el: New "pretty printing" code, Thierry Volpiatto, 2023/06/09
- bug#63861: [PATCH] pp.el: New "pretty printing" code, Stefan Monnier, 2023/06/20