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From: Stefan Monnier <monnier@IRO.UMontreal.CA>
To: Alan Mackenzie <acm@muc.de>
Cc: Eli Zaretskii <eliz@gnu.org>,
	ccsmile2008@outlook.com, npostavs@gmail.com, emacs-devel@gnu.org
Subject: Re: beginning-of-defun-comments bug [was: Re: 26.0.90: mark-defun problem in c-mode]
Date: Sat, 30 Dec 2017 23:26:24 -0500	[thread overview]
Message-ID: <jwvefnbbk3s.fsf-monnier+emacs@gnu.org> (raw)
In-Reply-To: <20171230154305.GF10623@ACM> (Alan Mackenzie's message of "Sat, 30 Dec 2017 15:43:05 +0000")

> +      (if (nth 3 ppss)                  ; in a string
> +          start
> +        (when (nth 4 ppss)              ; in a comment
> +          (setq ppss
> +                (parse-partial-sexp (point) eol nil nil ppss 'syntax-table)))
> +        (catch 'got-it
> +          (while (< (point) eol)
> +            (setq start (point))
> +            (setq ppss (parse-partial-sexp (point) eol nil nil ppss t))
> +            (setq end (if (nth 4 ppss) (nth 8 ppss) eol))
> +            (goto-char start)
> +            (skip-syntax-forward "-" end)
> +            (when (< (point) end)
> +              (throw 'got-it (point)))
> +            (unless (forward-comment 1) ; comment straddles line break.
> +              (throw 'got-it nil))
> +            (setq ppss (syntax-ppss))))))))

Why not use something like

   (>= (forward-comment (point-max)) (line-end-position))

?


        Stefan



  parent reply	other threads:[~2017-12-31  4:26 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-12-30  9:49 26.0.90: mark-defun problem in c-mode zhang cc
2017-12-30 10:30 ` Eli Zaretskii
2017-12-30 10:34   ` Alan Mackenzie
2017-12-30 12:01     ` beginning-of-defun-comments bug [was: Re: 26.0.90: mark-defun problem in c-mode] Alan Mackenzie
2017-12-30 12:53       ` Eli Zaretskii
2017-12-30 13:05         ` Alan Mackenzie
2018-01-03  4:51           ` Marcin Borkowski
2018-01-03 16:24             ` Alan Mackenzie
2018-01-05 14:55               ` zhang cc
2018-01-06 12:00                 ` Alan Mackenzie
2018-01-06 13:54                   ` zhang cc
2018-01-07  6:25                   ` Marcin Borkowski
2018-03-26  6:57               ` Marcin Borkowski
2017-12-30 15:43         ` Alan Mackenzie
2017-12-30 18:43           ` Stephen Leake
2017-12-31 10:55             ` Alan Mackenzie
2017-12-31  4:26           ` Stefan Monnier [this message]
2017-12-31 10:50             ` Alan Mackenzie

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