From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Heime Newsgroups: gmane.emacs.help Subject: Re: insert gives args out of range Date: Fri, 16 Aug 2024 15:01:46 +0000 Message-ID: <9gWogDhaCBXEnTOijkijtCrrcAbhYY04AgDjXlqWxAN1m7xvAUbl31U_6aBjyp6Q8iu2M7SIMHNmyvD0QJ6NnC2PSFHIpdgos1q7eVM-CLI=@protonmail.com> References: <87plq8n66z.fsf@gmx.net> <87le0wn0ru.fsf@gmx.net> <87h6bkmz5k.fsf@gmx.net> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="5113"; mail-complaints-to="usenet@ciao.gmane.io" Cc: Heime via Users list for the GNU Emacs text editor To: Stephen Berman Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Fri Aug 16 17:02:34 2024 Return-path: Envelope-to: geh-help-gnu-emacs@m.gmane-mx.org Original-Received: from lists.gnu.org ([209.51.188.17]) by ciao.gmane.io with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1seyTK-0001BA-E5 for geh-help-gnu-emacs@m.gmane-mx.org; 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b=ouI54PRjdjPsfN2BPzHOM/ERFAnN9kkwQdAU0rlpMAvlinT/uDzcetWvq4w9B38WL aBylURinYXb6xzAAU9UTZs2FFQRaz10XX4Ehxk5QGBO0K+aLDvqrCvHnEanOlGqxZf ttlObdWXwBeFSzGGZOUKq1fJksZiEQZE/FqgFTTiI0HPQ6gztFTn0JNcky+YjX4sAl jP+wTA1FBJ6bG4J2CahPlHKo26NTFOwax/TVh+DezOLFWd3rDo0v8OmlwJV5SfYCux gUrkaBAA5jtwRjpPi9YJ7aWBBPgPbmXNq/MxHUhZctJ1llOXdaq2G6TmFPXCoSIDB0 yCs7jaTSiJBbA== In-Reply-To: <87h6bkmz5k.fsf@gmx.net> Feedback-ID: 57735886:user:proton X-Pm-Message-ID: 7d9b69173a34bbaa67553869c130155a1b6b1e57 Received-SPF: pass client-ip=185.70.43.167; envelope-from=heimeborgia@protonmail.com; helo=mail-43167.protonmail.ch X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FROM=0.001, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: help-gnu-emacs@gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Users list for the GNU Emacs text editor List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Original-Sender: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Xref: news.gmane.io gmane.emacs.help:147715 Archived-At: On Saturday, August 17th, 2024 at 12:26 AM, Stephen Berman wrote: > On Fri, 16 Aug 2024 12:10:48 +0000 Heime heimeborgia@protonmail.com wrote= : >=20 > > On Saturday, August 17th, 2024 at 12:03 AM, Heime heimeborgia@protonmai= l.com wrote: > >=20 > > > On Friday, August 16th, 2024 at 11:51 PM, Stephen Berman > > > stephen.berman@gmx.net wrote: > > >=20 > > > > On Fri, 16 Aug 2024 10:59:09 +0000 Heime heimeborgia@protonmail.com= wrote: > > > >=20 > > > > > On Friday, August 16th, 2024 at 10:20 PM, Heime > > > > > heimeborgia@protonmail.com wrote: > > > > >=20 > > > > > > On Friday, August 16th, 2024 at 9:54 PM, Stephen Berman > > > > > > stephen.berman@gmx.net wrote: > > > > > >=20 > > > > > > > On Fri, 16 Aug 2024 09:24:23 +0000 Heime heimeborgia@protonma= il.com wrote: > > > > > > >=20 > > > > > > > > I want to display text starting from "(defun" up to the sec= ond blank > > > > > > > > line that is encountered. > > > > > > > >=20 > > > > > > > > But with this code I get > > > > > > > >=20 > > > > > > > > insert: Args out of range: #, 2706, = 2804 > > > > > > > >=20 > > > > > > > > (defun display-text () > > > > > > > > "Display the text between a line starting with '(defun' and= the second > > > > > > > > blank line." > > > > > > > > (interactive) > > > > > > > > (let ((output-buffer (get-buffer-create "Defun Sections"))) > > > > > > > > (with-current-buffer output-buffer > > > > > > > > (erase-buffer)) ;; Clear previous contents > > > > > > > > (save-excursion > > > > > > > > (goto-char (point-min)) > > > > > > > > (while (re-search-forward "^(defun" nil t) > > > > > > > > (let ((start (match-beginning 0)) > > > > > > > > (blank-lines 0) > > > > > > > > end) > > > > > > > > ;; Move forward to find the second blank line > > > > > > > > (while (and (< blank-lines 2) > > > > > > > > (re-search-forward "^\\s-*$" nil t)) > > > > > > > > (setq blank-lines (1+ blank-lines))) > > > > > > > > (setq end (point)) > > > > > > > > ;; Ensure the range is valid before inserting > > > > > > > > (when (> end start) > > > > > > > > (with-current-buffer output-buffer > > > > > > > > (insert (buffer-substring-no-properties start end) "\n"))))= )) > > > > > > > > ;; Display the output buffer > > > > > > > > (display-buffer output-buffer))) > > > > > > >=20 > > > > > > > You've set `start' and` end' in a different buffer than outpu= t-buffer > > > > > > > but you're invoking buffer-substring-no-properties with these= values in > > > > > > > output-buffer, which you've erased, so those values are not i= n the range > > > > > > > of possible values in output-buffer. Try let-binding the resu= lt of > > > > > > > invoking buffer-substring-no-properties before the second inv= ocation of > > > > > > > with-current-buffer. > > > > > > >=20 > > > > > > > Steve Berman > > > > >=20 > > > > > I updated as suggested. Although I get the output, the search sto= ps on > > > > > the first > > > > > blank line rather than on the second blank line. > > > >=20 > > > > Consider a buffer "test" with the following content (two blank line= s > > > > between the defuns): > > > >=20 > > > > ;;;;;;;;;;;;; > > > >=20 > > > > (defun f1 () > > > > (ignore)) > > > >=20 > > > > (defun f2 () > > > > (ignore)) > > > > ;;;;;;;;;;;;; > > > >=20 > > > > When you call `display-text' in "test", the first evaluation of the > > > > sexp (re-search-forward "^\\s-*$" nil t) moves point to the first b= lank > > > > line below the first defun. Where is point after the second evaluat= ion > > > > of that sexp? - Steve Berman > > >=20 > > > It is still at the beginning of the first blank line. > >=20 > > I do not understand why this happens. Because (point) after > > re-search-forward should give me the position at the beginning of the > > second blank line that is encountered. >=20 >=20 > The sexp (re-search-forward "^\\s-*$" nil t) succeeds if it find a line > containing only zero or more whitespace characters and moves point to > the end of the match. If point is on a blank line, the search succeeds, > but since the beginning and end of the match coincide, point does not > move. If you want point to move, your code needs to accommodate this > case. - Steve Berman Have printed start and end just after (setq end (point)) (message "Start: %d, End: %d" start end) And the values for start and end are different.