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bug#16526: 24.3.50; scroll-conservatively & c-mode regression
From: |
Stefan Monnier |
Subject: |
bug#16526: 24.3.50; scroll-conservatively & c-mode regression |
Date: |
Wed, 25 Jun 2014 22:51:24 -0400 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/24.4.50 (gnu/linux) |
> How can this one single scan-lists called from CC Mode be so slow, yet
> the identical call from the minibuffer be 50 times as fast?
Do the two return the same position? The time taken by scan-lists is
proportional to the "distance", so a 50x slowdown would not be
surprising if it goes 50x further.
> My understanding is that scan-lists is a primitive operation,
> unaffected by virtually any context (apart from specific things like
> parse-sexp-ignore-comments and syntax-table text properties which are
> meant to affect it).
Another influence could be parse-sexp-lookup-properties, tho it
definitely shouldn't account for more than a few percents.
Stefan
- bug#16526: 24.3.50; scroll-conservatively & c-mode regression, Eli Zaretskii, 2014/06/22
- bug#16526: 24.3.50; scroll-conservatively & c-mode regression, Alan Mackenzie, 2014/06/22
- bug#16526: 24.3.50; scroll-conservatively & c-mode regression, Alan Mackenzie, 2014/06/25
- bug#16526: 24.3.50; scroll-conservatively & c-mode regression,
Stefan Monnier <=
- bug#16526: 24.3.50; scroll-conservatively & c-mode regression, Alan Mackenzie, 2014/06/27
- bug#16526: 24.3.50; scroll-conservatively & c-mode regression, Stefan Monnier, 2014/06/27
- bug#16526: 24.3.50; scroll-conservatively & c-mode regression, Stefan Monnier, 2014/06/27
- bug#16526: 24.3.50; scroll-conservatively & c-mode regression, Alan Mackenzie, 2014/06/28
- bug#16526: 24.3.50; scroll-conservatively & c-mode regression, martin rudalics, 2014/06/28
- bug#16526: 24.3.50; scroll-conservatively & c-mode regression, Alan Mackenzie, 2014/06/28
- bug#16526: 24.3.50; scroll-conservatively & c-mode regression, Eli Zaretskii, 2014/06/28
- bug#16526: 24.3.50; scroll-conservatively & c-mode regression, Alan Mackenzie, 2014/06/28
- bug#16526: 24.3.50; scroll-conservatively & c-mode regression, martin rudalics, 2014/06/29
- bug#16526: 24.3.50; scroll-conservatively & c-mode regression, Alan Mackenzie, 2014/06/29