6:27 p.m.
I updated all of my packages yesterday (after not having updated in
quite some time) and now just about anything that uses c-mode produces
an "Invalid syntax designator" error on any special input. The error
is coming from (looking-at "\\s!").
This happens with xemacs -vanilla. Create a new file foo.c, and start
typing "main(".
Help! I can't use xemacs to edit anything anymore.
Ray
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8:07 p.m.
Raymond Toy writes:
This happens with xemacs -vanilla.
Version, just for the record?
an "Invalid syntax designator" error on any special input.
The error
is coming from (looking-at "\\s!").
Yup, "!" is not a syntax designator in XEmacs 21.5. (Nor is "|".) I
don't really understand what these are for, the Emacs documentation is
terse and doesn't really make sense.
I guess you will have to revert to an earlier version of CC Mode.
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9:01 p.m.
>>>> "Stephen" == Stephen J Turnbull
<stephen(a)xemacs.org> writes:
Stephen> Raymond Toy writes:
> This happens with xemacs -vanilla.
Stephen> Version, just for the record?
emacs-version: "21.5 (beta34) \"kale\" 995257d0c590+ XEmacs Lucid"
Same version I was using before I upgraded all of my packages. (Almost
all of which were out-of-date.)
> an "Invalid syntax designator" error on any special
input. The error
> is coming from (looking-at "\\s!").
Stephen> Yup, "!" is not a syntax designator in XEmacs 21.5. (Nor is
"|".) I
Stephen> don't really understand what these are for, the Emacs documentation
is
Stephen> terse and doesn't really make sense.
Stephen> I guess you will have to revert to an earlier version of CC Mode.
Yeah. Too bad the package manager doesn't seem to let you pick a
version.
Ray
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10:44 p.m.
Hi, Stephen,
On Fri, May 30, 2014 at 04:07:04AM +0900, Stephen J. Turnbull wrote:
Yup, "!" is not a syntax designator in XEmacs 21.5. (Nor
is "|".) I
don't really understand what these are for, the Emacs documentation is
terse and doesn't really make sense.
They're generic comment delimiters. You can put syntax-table text
properties with this value on a pair of buffer positions, and this will
syntactically turn everything between them into a comment. CC Mode uses
these in GNU Emacs to "comment out" C preprocessor directives (e.g.
#define) to speed up certain syntactic analysis. (It also needs the
category property for this).
"|" _is_ a syntactic designator in XEmacs, just as in GNU Emacs. AWK
Mode has used generic string dellimiters to mark unterminated strings for
over a decade. ;-)
--
Alan Mackenzie (Nuremberg, Germany).
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9:20 p.m.
Hello, Raymond.
On Thu, May 29, 2014 at 10:27:48AM -0700, Raymond Toy wrote:
I updated all of my packages yesterday (after not having updated in
quite some time) and now just about anything that uses c-mode produces
an "Invalid syntax designator" error on any special input. The error
is coming from (looking-at "\\s!").
Urk! Sorry about that, it was a careless fix to a recent bug in GNU
Emacs.
This happens with xemacs -vanilla. Create a new file foo.c, and
start
typing "main(".
Help! I can't use xemacs to edit anything anymore.
Give me a little while, and I'll get a patch out.
Ray
--
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10:21 p.m.
Hi, Raymond.
On Thu, May 29, 2014 at 10:27:48AM -0700, Raymond Toy wrote:
I updated all of my packages yesterday (after not having updated in
quite some time) and now just about anything that uses c-mode produces
an "Invalid syntax designator" error on any special input. The error
is coming from (looking-at "\\s!").
This happens with xemacs -vanilla. Create a new file foo.c, and
start
typing "main(".
Help! I can't use xemacs to edit anything anymore.
Would you try out this patch, please, and let me know how well it
works/how badly it fails:
diff -r 825a64412160 cc-engine.el
--- a/cc-engine.el Sun Feb 09 12:18:57 2014 +0000
+++ b/cc-engine.el Thu May 29 21:16:21 2014 +0000
＠＠ -2221,7 +2221,8 ＠＠
((and (not not-in-delimiter) ; inside a comment starter
(not (bobp))
(progn (backward-char)
- (and (not (looking-at "\\s!"))
+ (and (not (and (memq 'category-properties c-emacs-features)
+ (looking-at "\\s!")))
(looking-at c-comment-start-regexp))))
(setq ty (if (looking-at c-block-comment-start-regexp) 'c 'c++)
co-st (point))
Thanks!
Ray
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11:04 p.m.
>>>> "Alan" == Alan Mackenzie <acm(a)muc.de>
writes:
Alan> Hi, Raymond.
Alan> On Thu, May 29, 2014 at 10:27:48AM -0700, Raymond Toy wrote:
> I updated all of my packages yesterday (after not having updated
in
> quite some time) and now just about anything that uses c-mode produces
> an "Invalid syntax designator" error on any special input. The error
> is coming from (looking-at "\\s!").
> This happens with xemacs -vanilla. Create a new file foo.c, and
start
> typing "main(".
> Help! I can't use xemacs to edit anything anymore.
Alan> Would you try out this patch, please, and let me know how well it
Alan> works/how badly it fails:
Beautiful! Everything works (after a few minutes of testing) once I
figured out that I needed to byte-compile cc-engine.el.
Thanks!
Ray
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9:46 a.m.
Raymond Toy writes:
Beautiful! Everything works (after a few minutes of testing) once I
figured out that I needed to byte-compile cc-engine.el.
Great!
Thank you very much, Alan!
Steve
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Stephen J. Turnbull