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bug#23476: 25.0.93; Visiting C files on master signals an error
From: |
Alan Mackenzie |
Subject: |
bug#23476: 25.0.93; Visiting C files on master signals an error |
Date: |
Sat, 7 May 2016 20:40:22 +0000 |
User-agent: |
Mutt/1.5.24 (2015-08-30) |
Hello, Eli.
On Sat, May 07, 2016 at 10:30:39PM +0300, Eli Zaretskii wrote:
> > Date: Sat, 07 May 2016 21:57:50 +0300
> > From: Eli Zaretskii <eliz@gnu.org>
> > Cc: 23476@debbugs.gnu.org, andrewjmoreton@gmail.com
> > Let's try to find a solution that doesn't involve unsafe values.
> One way is to turn on by default the feature that fontifies these
> macros correctly. Why does it have to be off by default?
The feature is dependent on _configuration_: the '("IF_LINT") is that
configuration. After reading the list of "noise macros", CC Mode has to
turn them into a regexp with `regexp-opt'. This is what the `eval' part
of the configuration is for.
We could make `c-noise-macro-with-parens-names' (and
`c-noise-macro-names') safe local variables (after all, they do nothing
more than set regexps used for fontification).
The call (eval . (c-make-noise-macro-regexps)) is more problematic; the
eval "variable" is always going to be unsafe - it's got to be. One
possible solution would be to enhance `define-derived-mode' with an
:after-hook argument (define-minor-mode already has one), a lisp form
which gets evaluated after the mode hooks have been run.
`c-make-noise-macro-regexps' could be put into this form.
I've reverted the change to .dir-locals.el which caused the problem.
This should take the pressure off, so that we can find a good solution.
--
Alan Mackenzie (Nuremberg, Germany).
- bug#23476: 25.0.93; Visiting C files on master signals an error, Eli Zaretskii, 2016/05/07
- bug#23476: 25.0.93; Visiting C files on master signals an error, Andy Moreton, 2016/05/07
- bug#23476: 25.0.93; Visiting C files on master signals an error, Eli Zaretskii, 2016/05/07
- bug#23476: 25.0.93; Visiting C files on master signals an error, Alan Mackenzie, 2016/05/07
- bug#23476: 25.0.93; Visiting C files on master signals an error, Eli Zaretskii, 2016/05/07
- bug#23476: 25.0.93; Visiting C files on master signals an error, Alan Mackenzie, 2016/05/07
- bug#23476: 25.0.93; Visiting C files on master signals an error, Eli Zaretskii, 2016/05/07
- bug#23476: 25.0.93; Visiting C files on master signals an error, Eli Zaretskii, 2016/05/07
- bug#23476: 25.0.93; Visiting C files on master signals an error,
Alan Mackenzie <=
- bug#23476: 25.0.93; Visiting C files on master signals an error, Eli Zaretskii, 2016/05/08
- bug#23476: 25.0.93; Visiting C files on master signals an error, Alan Mackenzie, 2016/05/09
- bug#23476: 25.0.93; Visiting C files on master signals an error, Eli Zaretskii, 2016/05/09
- bug#23476: 25.0.93; Visiting C files on master signals an error, Alan Mackenzie, 2016/05/09
- bug#23476: 25.0.93; Visiting C files on master signals an error, Eli Zaretskii, 2016/05/09
- bug#23476: 25.0.93; Visiting C files on master signals an error, Glenn Morris, 2016/05/09
- bug#23476: Slowdown in C Mode fontification [Was: bug#23476: 25.0.93; Visiting C files on master signals an error], Alan Mackenzie, 2016/05/10
- bug#23476: Slowdown in C Mode fontification [Was: bug#23476: 25.0.93; Visiting C files on master signals an error], Alan Mackenzie, 2016/05/10
- bug#23476: Slowdown in C Mode fontification [Was: bug#23476: 25.0.93; Visiting C files on master signals an error], Eli Zaretskii, 2016/05/10
- bug#23476: Slowdown in C Mode fontification, Alan Mackenzie, 2016/05/10