* Re: [Emacs-diffs] /srv/bzr/emacs/trunk r111958: * lisp/progmodes/ruby-mode.el (ruby-syntax-propertize-function): Only
[not found] <E1UDJq5-0007SO-Pc@vcs.savannah.gnu.org>
@ 2013-03-09 1:41 ` Stefan Monnier
2013-03-09 1:45 ` Dmitry Gutov
0 siblings, 1 reply; 3+ messages in thread
From: Stefan Monnier @ 2013-03-09 1:41 UTC (permalink / raw)
To: Dmitry Gutov; +Cc: emacs-devel
> ;; The regular expression itself.
> "\\(/\\)[^/\n\\\\]*\\(?:\\\\.[^/\n\\\\]*\\)*\\(/\\)")
> - (2 (string-to-syntax "\"/"))
> - (3 (string-to-syntax "\"/")))
> + (3 (unless (nth 3 (syntax-ppss (match-beginning 2)))
> + (put-text-property (match-beginning 2) (match-end 2)
> + 'syntax-table (string-to-syntax "\"/"))
> + (string-to-syntax "\"/"))))
If match n°2 is not inside a string, I think we should not skip all
that's matched by the regexp (since it's not a string and may hence
contain other things that need to be syntax-propertized). I.e. The
`unless' should be turned into an `if' and in the non-string case it
should move point back to (match-end 2).
Stefan
^ permalink raw reply [flat|nested] 3+ messages in thread* Re: [Emacs-diffs] /srv/bzr/emacs/trunk r111958: * lisp/progmodes/ruby-mode.el (ruby-syntax-propertize-function): Only
2013-03-09 1:41 ` [Emacs-diffs] /srv/bzr/emacs/trunk r111958: * lisp/progmodes/ruby-mode.el (ruby-syntax-propertize-function): Only Stefan Monnier
@ 2013-03-09 1:45 ` Dmitry Gutov
2013-03-09 3:22 ` Stefan Monnier
0 siblings, 1 reply; 3+ messages in thread
From: Dmitry Gutov @ 2013-03-09 1:45 UTC (permalink / raw)
To: Stefan Monnier; +Cc: emacs-devel
On 09.03.2013 5:41, Stefan Monnier wrote:
>> ;; The regular expression itself.
>> "\\(/\\)[^/\n\\\\]*\\(?:\\\\.[^/\n\\\\]*\\)*\\(/\\)")
>> - (2 (string-to-syntax "\"/"))
>> - (3 (string-to-syntax "\"/")))
>> + (3 (unless (nth 3 (syntax-ppss (match-beginning 2)))
>> + (put-text-property (match-beginning 2) (match-end 2)
>> + 'syntax-table (string-to-syntax "\"/"))
>> + (string-to-syntax "\"/"))))
>
> If match n°2 is not inside a string, I think we should not skip all
> that's matched by the regexp (since it's not a string and may hence
> contain other things that need to be syntax-propertized). I.e. The
> `unless' should be turned into an `if' and in the non-string case it
> should move point back to (match-end 2).
`syntax-ppss' moves point, so that's taken care of. See the second test
in the same commit.
I agree that that's not obvious from reading the code, though.
^ permalink raw reply [flat|nested] 3+ messages in thread
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2013-03-09 1:41 ` [Emacs-diffs] /srv/bzr/emacs/trunk r111958: * lisp/progmodes/ruby-mode.el (ruby-syntax-propertize-function): Only Stefan Monnier
2013-03-09 1:45 ` Dmitry Gutov
2013-03-09 3:22 ` Stefan Monnier
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