Stefan Kangas <stefankangas@HIDDEN>
to control <at> debbugs.gnu.org
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Full text available.Received: (at 75609) by debbugs.gnu.org; 18 Jan 2025 17:44:28 +0000 From debbugs-submit-bounces <at> debbugs.gnu.org Sat Jan 18 12:44:28 2025 Received: from localhost ([127.0.0.1]:43638 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <debbugs-submit-bounces <at> debbugs.gnu.org>) id 1tZCs0-0003iA-Cp for submit <at> debbugs.gnu.org; Sat, 18 Jan 2025 12:44:28 -0500 Received: from relay9-d.mail.gandi.net ([2001:4b98:dc4:8::229]:55777) by debbugs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.84_2) (envelope-from <juri@HIDDEN>) id 1tZCrw-0003hs-4h for 75609 <at> debbugs.gnu.org; Sat, 18 Jan 2025 12:44:25 -0500 Received: by mail.gandi.net (Postfix) with ESMTPSA id 09ECDFF803; Sat, 18 Jan 2025 17:44:15 +0000 (UTC) From: Juri Linkov <juri@HIDDEN> To: Yuan Fu <casouri@HIDDEN> Subject: Re: bug#75609: Hideshow support for treesitter In-Reply-To: <2999991B-3A95-4CC7-92BE-9A6B8F18BADE@HIDDEN> (Yuan Fu's message of "Fri, 17 Jan 2025 23:40:16 -0800") Organization: LINKOV.NET References: <87tt9yu00k.fsf@HIDDEN> <2999991B-3A95-4CC7-92BE-9A6B8F18BADE@HIDDEN> Date: Sat, 18 Jan 2025 19:43:19 +0200 Message-ID: <87ikqc3tmw.fsf@HIDDEN> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/31.0.50 (x86_64-pc-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-GND-Sasl: juri@HIDDEN X-Spam-Score: -0.7 (/) X-Debbugs-Envelope-To: 75609 Cc: 75609 <at> debbugs.gnu.org X-BeenThere: debbugs-submit <at> debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: <debbugs-submit.debbugs.gnu.org> List-Unsubscribe: <https://debbugs.gnu.org/cgi-bin/mailman/options/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=unsubscribe> List-Archive: <https://debbugs.gnu.org/cgi-bin/mailman/private/debbugs-submit/> List-Post: <mailto:debbugs-submit <at> debbugs.gnu.org> List-Help: <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=help> List-Subscribe: <https://debbugs.gnu.org/cgi-bin/mailman/listinfo/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=subscribe> Errors-To: debbugs-submit-bounces <at> debbugs.gnu.org Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org> X-Spam-Score: -1.7 (-) >> +(defun treesit-hs-inside-comment-p () >> + (let ((thing (or (treesit-thing-at (point) "comment") >> + (unless (bobp) >> + (treesit-thing-at (1- (point)) "comment"))))) >> + (when thing >> + (list (treesit-node-start thing) (treesit-node-end thing))))) >> + > > FYI some grammar calls comments line_comment and block_comment. > Maybe use the comment thing first, and then match “comment” with the node type? We need to introduce the new thing named "comment". It's necessary to add treesit support for 'forward-comment' that is used in many packages including 'hideshow'. This means adding the variable 'forward-comment-function' with the default value 'forward-comment-default-function'. Then will override it with 'treesit-forward-comment' that uses the comment thing. >> @@ -644,6 +648,9 @@ hs-inside-comment-p >> beginning. If we are inside of a comment but this condition is not met, >> we return a list having a nil as its car and the end of comment position >> as cdr." >> + (cond ((functionp hs-inside-comment-p-func) >> + (funcall hs-inside-comment-p-func)) >> + (t > > Did you do this indentation on purpose to make a easier-to-read diff? Indeed, this was to make it easier-to-read. And in the next patch I will just rename the default function to 'hs-inside-comment-p--default'.
bug-gnu-emacs@HIDDEN
:bug#75609
; Package emacs
.
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Thanks :-) Some comments below: >=20 > diff --git a/lisp/treesit.el b/lisp/treesit.el > index ac34edaf84d..0e48fb91b44 100644 > --- a/lisp/treesit.el > +++ b/lisp/treesit.el > @@ -3420,6 +3420,65 @@ treesit-outline-level > (setq level (1+ level))) > (if (zerop level) 1 level))) >=20 > +;;; Hideshow mode > + > +(defun treesit-hs-block-end () > + (let* ((pred 'list) > + (thing (treesit-thing-at > + (if (bobp) (point) (1- (point))) pred)) > + (end (when thing (treesit-node-end thing))) > + (last (when thing (treesit-node-child thing -1))) > + (beg (if last (treesit-node-start last) > + (if (bobp) (point) (1- (point)))))) > + (when (and thing (eq (point) end)) > + (set-match-data (list beg end)) > + t))) > + > +(defun treesit-hs-find-block-beginning () > + (let* ((pred 'list) > + (thing (treesit-thing-at (point) pred)) > + (thing (or thing (treesit-parent-until (treesit-node-at = (point)) pred))) > + (beg (when thing (treesit-node-start thing))) > + (end (when thing (treesit-node-end thing)))) > + (when thing > + (goto-char beg) > + (set-match-data (list beg end)) > + t))) > + > +(defun treesit-hs-find-next-block (_regexp _maxp comments) > + (let* ((pred (if comments '(or list "comment") 'list)) > + ;; `treesit-navigate-thing' can't find a thing at bobp, > + ;; so use `treesit-thing-at' to match at bobp. > + (current (treesit-thing-at (point) pred)) > + (beg (or (and current (eq (point) (treesit-node-start = current)) (point)) > + (treesit-navigate-thing (point) 1 'beg pred))) > + (thing (when beg (treesit-thing-at beg pred))) > + (end (when thing (treesit-node-end thing)))) > + (when thing > + (goto-char end) > + (set-match-data > + (if (and comments (equal (treesit-node-type thing) "comment")) > + (list beg end nil nil beg end) > + (list beg end beg end))) > + t))) > + > +(defun treesit-hs-looking-at-block-start-p () > + (let* ((pred 'list) > + (thing (treesit-thing-at (point) pred)) > + (beg (when thing (treesit-node-start thing))) > + (first (when thing (treesit-node-child thing 0))) > + (end (if first (treesit-node-end first) (1+ (point))))) > + (when (and thing (eq (point) beg)) > + (set-match-data (list beg end)) > + t))) > + > +(defun treesit-hs-inside-comment-p () > + (let ((thing (or (treesit-thing-at (point) "comment") > + (unless (bobp) > + (treesit-thing-at (1- (point)) "comment"))))) > + (when thing > + (list (treesit-node-start thing) (treesit-node-end thing))))) > + FYI some grammar calls comments line_comment and block_comment. Maybe = use the comment thing first, and then match =E2=80=9Ccomment=E2=80=9D = with the node type? > ;;; Show paren mode >=20 > (defun treesit-show-paren-data--categorize (pos &optional end-p) > @@ -3603,7 +3662,17 @@ treesit-major-mode-setup > (setq-local forward-list-function #'treesit-forward-list) > (setq-local down-list-function #'treesit-down-list) > (setq-local up-list-function #'treesit-up-list) > - (setq-local show-paren-data-function 'treesit-show-paren-data)) > + (setq-local show-paren-data-function #'treesit-show-paren-data) > + (setq hs-block-start-regexp nil > + hs-block-start-mdata-select 0 > + hs-block-end-regexp #'treesit-hs-block-end > + hs-c-start-regexp nil > + hs-forward-sexp-func #'forward-list > + hs-adjust-block-beginning nil > + hs-find-block-beginning-func = #'treesit-hs-find-block-beginning > + hs-find-next-block-func #'treesit-hs-find-next-block > + hs-looking-at-block-start-p-func = #'treesit-hs-looking-at-block-start-p > + hs-inside-comment-p-func #'treesit-hs-inside-comment-p)) >=20 > (when (treesit-thing-defined-p 'sentence nil) > (setq-local forward-sentence-function #'treesit-forward-sentence)) > diff --git a/lisp/progmodes/hideshow.el b/lisp/progmodes/hideshow.el > index 823eb0527c6..ea7bc738a4d 100644 > --- a/lisp/progmodes/hideshow.el > +++ b/lisp/progmodes/hideshow.el > @@ -259,14 +259,11 @@ hs-special-modes-alist > ;; to the mode hierarchy. > (mapcar #'purecopy > '((c-mode "{" "}" "/[*/]" nil nil) > - (c-ts-mode "{" "}" "/[*/]" nil nil) > (c++-mode "{" "}" "/[*/]" nil nil) > - (c++-ts-mode "{" "}" "/[*/]" nil nil) > (bibtex-mode ("@\\S(*\\(\\s(\\)" 1)) > (java-mode "{" "}" "/[*/]" nil nil) > (java-ts-mode "{" "}" "/[*/]" nil nil) > (js-mode "{" "}" "/[*/]" nil) > - (js-ts-mode "{" "}" "/[*/]" nil) > (lua-ts-mode "{\\|\\[\\[" "}\\|\\]\\]" "--" nil) > (mhtml-mode "{\\|<[^/>]*?" "}\\|</[^/>]*[^/]>" "<!--" = mhtml-forward nil) > ;; Add more support here. > @@ -481,6 +478,9 @@ hs-looking-at-block-start-p-func > Python, where `looking-at' and `syntax-ppss' check is not enough > to check if the point is at the block start.") >=20 > +(defvar-local hs-inside-comment-p-func nil > + "Function used to check if point is inside a comment.") > + > (defvar hs-headline nil > "Text of the line where a hidden block begins, set during isearch. > You can display this in the mode line by adding the symbol = `hs-headline' > @@ -625,9 +625,13 @@ hs-hide-block-at-point > (setq p (line-end-position))) > ;; `q' is the point at the end of the block > (hs-forward-sexp mdata 1) > - (setq q (if (looking-back hs-block-end-regexp nil) > - (match-beginning 0) > - (point))) > + (setq q (cond ((and (stringp hs-block-end-regexp) > + (looking-back hs-block-end-regexp nil)) > + (match-beginning 0)) > + ((functionp hs-block-end-regexp) > + (funcall hs-block-end-regexp) > + (match-beginning 0)) > + (t (point)))) > (when (and (< p q) (> (count-lines p q) 1)) > (cond ((and hs-allow-nesting (setq ov (hs-overlay-at p))) > (delete-overlay ov)) > @@ -644,6 +648,9 @@ hs-inside-comment-p > beginning. If we are inside of a comment but this condition is not = met, > we return a list having a nil as its car and the end of comment = position > as cdr." > + (cond ((functionp hs-inside-comment-p-func) > + (funcall hs-inside-comment-p-func)) > + (t Did you do this indentation on purpose to make a easier-to-read diff? > (save-excursion > ;; the idea is to look backwards for a comment start regexp, do a > ;; forward comment, and see if we are inside, then extend > @@ -692,7 +699,7 @@ hs-inside-comment-p > (skip-chars-backward " \t\n\f") > (end-of-line) > (when (>=3D (point) q) > - (list (and hideable p) (point)))))))) > + (list (and hideable p) (point)))))))))) >=20 > (defun hs-grok-mode-type () > "Set up hideshow variables for new buffers. > @@ -704,7 +711,7 @@ hs-grok-mode-type > (bound-and-true-p comment-end)) > (let* ((lookup (assoc major-mode hs-special-modes-alist)) > (start-elem (or (nth 1 lookup) "\\s("))) > - (if (listp start-elem) > + (if (consp start-elem) > ;; handle (START-REGEXP MDATA-SELECT) > (setq hs-block-start-regexp (car start-elem) > hs-block-start-mdata-select (cadr start-elem)) > @@ -850,14 +857,16 @@ hs-hide-all > (syntax-propertize (point-max)) > (let ((spew (make-progress-reporter "Hiding all blocks..." > (point-min) (point-max))) > - (re (concat "\\(" > - hs-block-start-regexp > - "\\)" > - (if hs-hide-comments-when-hiding-all > - (concat "\\|\\(" > - hs-c-start-regexp > - "\\)") > - "")))) > + (re (when (stringp hs-block-start-regexp) > + (concat "\\(" > + hs-block-start-regexp > + "\\)" > + (if (and hs-hide-comments-when-hiding-all > + (stringp hs-c-start-regexp)) > + (concat "\\|\\(" > + hs-c-start-regexp > + "\\)") > + ""))))) > (while (funcall hs-find-next-block-func re (point-max) > hs-hide-comments-when-hiding-all) > (if (match-beginning 1) > @@ -869,7 +878,9 @@ hs-hide-all > (hs-hide-block-at-point t)) > ;; Go to end of matched data to prevent from getting stuck > ;; with an endless loop. > - (when (looking-at hs-block-start-regexp) > + (when (if (stringp hs-block-start-regexp) > + (looking-at hs-block-start-regexp) > + (eq (point) (match-beginning 0))) > (goto-char (match-end 0))))) > ;; found a comment, probably > (let ((c-reg (hs-inside-comment-p))) > @@ -1008,7 +1019,8 @@ hs-minor-mode > (setq hs-headline nil) > (if hs-minor-mode > (progn > - (hs-grok-mode-type) > + (unless (buffer-local-value 'hs-inside-comment-p-func = (current-buffer)) > + (hs-grok-mode-type)) > ;; Turn off this mode if we change major modes. > (add-hook 'change-major-mode-hook > #'turn-off-hideshow
bug-gnu-emacs@HIDDEN
:bug#75609
; Package emacs
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Full text available.Received: (at submit) by debbugs.gnu.org; 16 Jan 2025 17:49:19 +0000 From debbugs-submit-bounces <at> debbugs.gnu.org Thu Jan 16 12:49:19 2025 Received: from localhost ([127.0.0.1]:34556 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <debbugs-submit-bounces <at> debbugs.gnu.org>) id 1tYTza-00010O-LQ for submit <at> debbugs.gnu.org; Thu, 16 Jan 2025 12:49:19 -0500 Received: from lists.gnu.org ([2001:470:142::17]:50564) by debbugs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.84_2) (envelope-from <juri@HIDDEN>) id 1tYTzX-000105-TT for submit <at> debbugs.gnu.org; Thu, 16 Jan 2025 12:49:16 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from <juri@HIDDEN>) id 1tYTzP-0005Pc-ID for bug-gnu-emacs@HIDDEN; Thu, 16 Jan 2025 12:49:07 -0500 Received: from relay3-d.mail.gandi.net ([217.70.183.195]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from <juri@HIDDEN>) id 1tYTzM-0004jL-1b for bug-gnu-emacs@HIDDEN; Thu, 16 Jan 2025 12:49:06 -0500 Received: by mail.gandi.net (Postfix) with ESMTPSA id 1A2A86000A for <bug-gnu-emacs@HIDDEN>; Thu, 16 Jan 2025 17:48:58 +0000 (UTC) From: Juri Linkov <juri@HIDDEN> To: bug-gnu-emacs@HIDDEN Subject: Hideshow support for treesitter Organization: LINKOV.NET X-Debbugs-Cc: Yuan Fu <casouri@HIDDEN> Date: Thu, 16 Jan 2025 19:45:11 +0200 Message-ID: <87tt9yu00k.fsf@HIDDEN> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/31.0.50 (x86_64-pc-linux-gnu) MIME-Version: 1.0 Content-Type: multipart/mixed; boundary="=-=-=" X-GND-Sasl: juri@HIDDEN Received-SPF: pass client-ip=217.70.183.195; envelope-from=juri@HIDDEN; helo=relay3-d.mail.gandi.net X-Spam_score_int: -25 X-Spam_score: -2.6 X-Spam_bar: -- X-Spam_report: (-2.6 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-Spam-Score: 0.7 (/) X-Debbugs-Envelope-To: submit X-BeenThere: debbugs-submit <at> debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: <debbugs-submit.debbugs.gnu.org> List-Unsubscribe: <https://debbugs.gnu.org/cgi-bin/mailman/options/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=unsubscribe> List-Archive: <https://debbugs.gnu.org/cgi-bin/mailman/private/debbugs-submit/> List-Post: <mailto:debbugs-submit <at> debbugs.gnu.org> List-Help: <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=help> List-Subscribe: <https://debbugs.gnu.org/cgi-bin/mailman/listinfo/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=subscribe> Errors-To: debbugs-submit-bounces <at> debbugs.gnu.org Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org> X-Spam-Score: -0.3 (/) --=-=-= Content-Type: text/plain Tags: patch Now that we have the new list thing in tree-sitter, it became possible to implement the hideshow support to hide the list things, i.e. exactly what hs-minor-mode did in non-ts modes: --=-=-= Content-Type: text/x-diff Content-Disposition: inline; filename=treesit-hideshow.patch diff --git a/lisp/treesit.el b/lisp/treesit.el index ac34edaf84d..0e48fb91b44 100644 --- a/lisp/treesit.el +++ b/lisp/treesit.el @@ -3420,6 +3420,65 @@ treesit-outline-level (setq level (1+ level))) (if (zerop level) 1 level))) +;;; Hideshow mode + +(defun treesit-hs-block-end () + (let* ((pred 'list) + (thing (treesit-thing-at + (if (bobp) (point) (1- (point))) pred)) + (end (when thing (treesit-node-end thing))) + (last (when thing (treesit-node-child thing -1))) + (beg (if last (treesit-node-start last) + (if (bobp) (point) (1- (point)))))) + (when (and thing (eq (point) end)) + (set-match-data (list beg end)) + t))) + +(defun treesit-hs-find-block-beginning () + (let* ((pred 'list) + (thing (treesit-thing-at (point) pred)) + (thing (or thing (treesit-parent-until (treesit-node-at (point)) pred))) + (beg (when thing (treesit-node-start thing))) + (end (when thing (treesit-node-end thing)))) + (when thing + (goto-char beg) + (set-match-data (list beg end)) + t))) + +(defun treesit-hs-find-next-block (_regexp _maxp comments) + (let* ((pred (if comments '(or list "comment") 'list)) + ;; `treesit-navigate-thing' can't find a thing at bobp, + ;; so use `treesit-thing-at' to match at bobp. + (current (treesit-thing-at (point) pred)) + (beg (or (and current (eq (point) (treesit-node-start current)) (point)) + (treesit-navigate-thing (point) 1 'beg pred))) + (thing (when beg (treesit-thing-at beg pred))) + (end (when thing (treesit-node-end thing)))) + (when thing + (goto-char end) + (set-match-data + (if (and comments (equal (treesit-node-type thing) "comment")) + (list beg end nil nil beg end) + (list beg end beg end))) + t))) + +(defun treesit-hs-looking-at-block-start-p () + (let* ((pred 'list) + (thing (treesit-thing-at (point) pred)) + (beg (when thing (treesit-node-start thing))) + (first (when thing (treesit-node-child thing 0))) + (end (if first (treesit-node-end first) (1+ (point))))) + (when (and thing (eq (point) beg)) + (set-match-data (list beg end)) + t))) + +(defun treesit-hs-inside-comment-p () + (let ((thing (or (treesit-thing-at (point) "comment") + (unless (bobp) + (treesit-thing-at (1- (point)) "comment"))))) + (when thing + (list (treesit-node-start thing) (treesit-node-end thing))))) + ;;; Show paren mode (defun treesit-show-paren-data--categorize (pos &optional end-p) @@ -3603,7 +3662,17 @@ treesit-major-mode-setup (setq-local forward-list-function #'treesit-forward-list) (setq-local down-list-function #'treesit-down-list) (setq-local up-list-function #'treesit-up-list) - (setq-local show-paren-data-function 'treesit-show-paren-data)) + (setq-local show-paren-data-function #'treesit-show-paren-data) + (setq hs-block-start-regexp nil + hs-block-start-mdata-select 0 + hs-block-end-regexp #'treesit-hs-block-end + hs-c-start-regexp nil + hs-forward-sexp-func #'forward-list + hs-adjust-block-beginning nil + hs-find-block-beginning-func #'treesit-hs-find-block-beginning + hs-find-next-block-func #'treesit-hs-find-next-block + hs-looking-at-block-start-p-func #'treesit-hs-looking-at-block-start-p + hs-inside-comment-p-func #'treesit-hs-inside-comment-p)) (when (treesit-thing-defined-p 'sentence nil) (setq-local forward-sentence-function #'treesit-forward-sentence)) diff --git a/lisp/progmodes/hideshow.el b/lisp/progmodes/hideshow.el index 823eb0527c6..ea7bc738a4d 100644 --- a/lisp/progmodes/hideshow.el +++ b/lisp/progmodes/hideshow.el @@ -259,14 +259,11 @@ hs-special-modes-alist ;; to the mode hierarchy. (mapcar #'purecopy '((c-mode "{" "}" "/[*/]" nil nil) - (c-ts-mode "{" "}" "/[*/]" nil nil) (c++-mode "{" "}" "/[*/]" nil nil) - (c++-ts-mode "{" "}" "/[*/]" nil nil) (bibtex-mode ("@\\S(*\\(\\s(\\)" 1)) (java-mode "{" "}" "/[*/]" nil nil) (java-ts-mode "{" "}" "/[*/]" nil nil) (js-mode "{" "}" "/[*/]" nil) - (js-ts-mode "{" "}" "/[*/]" nil) (lua-ts-mode "{\\|\\[\\[" "}\\|\\]\\]" "--" nil) (mhtml-mode "{\\|<[^/>]*?" "}\\|</[^/>]*[^/]>" "<!--" mhtml-forward nil) ;; Add more support here. @@ -481,6 +478,9 @@ hs-looking-at-block-start-p-func Python, where `looking-at' and `syntax-ppss' check is not enough to check if the point is at the block start.") +(defvar-local hs-inside-comment-p-func nil + "Function used to check if point is inside a comment.") + (defvar hs-headline nil "Text of the line where a hidden block begins, set during isearch. You can display this in the mode line by adding the symbol `hs-headline' @@ -625,9 +625,13 @@ hs-hide-block-at-point (setq p (line-end-position))) ;; `q' is the point at the end of the block (hs-forward-sexp mdata 1) - (setq q (if (looking-back hs-block-end-regexp nil) - (match-beginning 0) - (point))) + (setq q (cond ((and (stringp hs-block-end-regexp) + (looking-back hs-block-end-regexp nil)) + (match-beginning 0)) + ((functionp hs-block-end-regexp) + (funcall hs-block-end-regexp) + (match-beginning 0)) + (t (point)))) (when (and (< p q) (> (count-lines p q) 1)) (cond ((and hs-allow-nesting (setq ov (hs-overlay-at p))) (delete-overlay ov)) @@ -644,6 +648,9 @@ hs-inside-comment-p beginning. If we are inside of a comment but this condition is not met, we return a list having a nil as its car and the end of comment position as cdr." + (cond ((functionp hs-inside-comment-p-func) + (funcall hs-inside-comment-p-func)) + (t (save-excursion ;; the idea is to look backwards for a comment start regexp, do a ;; forward comment, and see if we are inside, then extend @@ -692,7 +699,7 @@ hs-inside-comment-p (skip-chars-backward " \t\n\f") (end-of-line) (when (>= (point) q) - (list (and hideable p) (point)))))))) + (list (and hideable p) (point)))))))))) (defun hs-grok-mode-type () "Set up hideshow variables for new buffers. @@ -704,7 +711,7 @@ hs-grok-mode-type (bound-and-true-p comment-end)) (let* ((lookup (assoc major-mode hs-special-modes-alist)) (start-elem (or (nth 1 lookup) "\\s("))) - (if (listp start-elem) + (if (consp start-elem) ;; handle (START-REGEXP MDATA-SELECT) (setq hs-block-start-regexp (car start-elem) hs-block-start-mdata-select (cadr start-elem)) @@ -850,14 +857,16 @@ hs-hide-all (syntax-propertize (point-max)) (let ((spew (make-progress-reporter "Hiding all blocks..." (point-min) (point-max))) - (re (concat "\\(" - hs-block-start-regexp - "\\)" - (if hs-hide-comments-when-hiding-all - (concat "\\|\\(" - hs-c-start-regexp - "\\)") - "")))) + (re (when (stringp hs-block-start-regexp) + (concat "\\(" + hs-block-start-regexp + "\\)" + (if (and hs-hide-comments-when-hiding-all + (stringp hs-c-start-regexp)) + (concat "\\|\\(" + hs-c-start-regexp + "\\)") + ""))))) (while (funcall hs-find-next-block-func re (point-max) hs-hide-comments-when-hiding-all) (if (match-beginning 1) @@ -869,7 +878,9 @@ hs-hide-all (hs-hide-block-at-point t)) ;; Go to end of matched data to prevent from getting stuck ;; with an endless loop. - (when (looking-at hs-block-start-regexp) + (when (if (stringp hs-block-start-regexp) + (looking-at hs-block-start-regexp) + (eq (point) (match-beginning 0))) (goto-char (match-end 0))))) ;; found a comment, probably (let ((c-reg (hs-inside-comment-p))) @@ -1008,7 +1019,8 @@ hs-minor-mode (setq hs-headline nil) (if hs-minor-mode (progn - (hs-grok-mode-type) + (unless (buffer-local-value 'hs-inside-comment-p-func (current-buffer)) + (hs-grok-mode-type)) ;; Turn off this mode if we change major modes. (add-hook 'change-major-mode-hook #'turn-off-hideshow --=-=-=--
Juri Linkov <juri@HIDDEN>
:casouri@HIDDEN, bug-gnu-emacs@HIDDEN
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Full text available.casouri@HIDDEN, bug-gnu-emacs@HIDDEN
:bug#75609
; Package emacs
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1997 nCipher Corporation Ltd,
1994-97 Ian Jackson.