X-Git-Url: https://code.delx.au/gnu-emacs/blobdiff_plain/f1180544bb5ff44cdb45b8734734294b0a2fa7a4..1b74c4346e92c9ac1ae0575c2ad69f8d81126d7e:/lisp/paren.el

diff --git a/lisp/paren.el b/lisp/paren.el
index 60c9aef0f3..a1cc12712f 100644
--- a/lisp/paren.el
+++ b/lisp/paren.el
@@ -1,6 +1,7 @@
 ;;; paren.el --- highlight matching paren
 
-;; Copyright (C) 1993, 1996, 2001 Free Software Foundation, Inc.
+;; Copyright (C) 1993, 1996, 2001, 2002, 2003, 2004,
+;;   2005 Free Software Foundation, Inc.
 
 ;; Author: rms@gnu.org
 ;; Maintainer: FSF
@@ -20,8 +21,8 @@
 
 ;; You should have received a copy of the GNU General Public License
 ;; along with GNU Emacs; see the file COPYING.  If not, write to the
-;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
-;; Boston, MA 02111-1307, USA.
+;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+;; Boston, MA 02110-1301, USA.
 
 ;;; Commentary:
 
@@ -71,7 +72,7 @@ otherwise)."
   :group 'paren-showing
   :version "20.3")
 
-(defface show-paren-match-face
+(defface show-paren-match
   '((((class color) (background light))
      :background "turquoise")		; looks OK on tty (becomes cyan)
     (((class color) (background dark))
@@ -83,13 +84,20 @@ otherwise)."
   "Show Paren mode face used for a matching paren."
   :group 'faces
   :group 'paren-showing)
+;; backward-compatibility alias
+(put 'show-paren-match-face 'face-alias 'show-paren-match)
 
-(defface show-paren-mismatch-face
+(defface show-paren-mismatch
   '((((class color)) (:foreground "white" :background "purple"))
     (t (:inverse-video t)))
   "Show Paren mode face used for a mismatching paren."
   :group 'faces
   :group 'paren-showing)
+;; backward-compatibility alias
+(put 'show-paren-mismatch-face 'face-alias 'show-paren-mismatch)
+
+(defvar show-paren-highlight-openparen t
+  "*Non-nil turns on openparen highlighting when matching forward.")
 
 (defvar show-paren-idle-timer nil)
 
@@ -136,8 +144,8 @@ in `show-paren-style' after `show-paren-delay' seconds of Emacs idle time."
 (defun show-paren-function ()
   (if show-paren-mode
       (let ((oldpos (point))
-	    (dir (cond ((eq (car (syntax-after (1- (point)))) 5) -1)
-		       ((eq (car (syntax-after (point))) 4) 1)))
+	    (dir (cond ((eq (syntax-class (syntax-after (1- (point)))) 5) -1)
+                       ((eq (syntax-class (syntax-after (point)))      4) 1)))
 	    pos mismatch face)
 	;;
 	;; Find the other end of the sexp.
@@ -166,11 +174,14 @@ in `show-paren-style' after `show-paren-delay' seconds of Emacs idle time."
 	      ;; kind of paren to match the one we started at.
 	      (when (integerp pos)
 		(let ((beg (min pos oldpos)) (end (max pos oldpos)))
-		  (when (/= (char-syntax (char-after beg)) ?\$)
+		  (unless (eq (syntax-class (syntax-after beg)) 8)
 		    (setq mismatch
-			  (not (eq (char-before end)
-				   ;; This can give nil.
-				   (matching-paren (char-after beg)))))))))))
+			  (not (or (eq (char-before end)
+				       ;; This can give nil.
+				       (cdr (syntax-after beg)))
+				   (eq (char-after beg)
+				       ;; This can give nil.
+				       (cdr (syntax-after (1- end)))))))))))))
 	;;
 	;; Highlight the other end of the sexp, or unhighlight if none.
 	(if (not pos)
@@ -187,15 +198,15 @@ in `show-paren-style' after `show-paren-delay' seconds of Emacs idle time."
 	      (progn
 		(if show-paren-ring-bell-on-mismatch
 		    (beep))
-		(setq face 'show-paren-mismatch-face))
-	    (setq face 'show-paren-match-face))
+		(setq face 'show-paren-mismatch))
+	    (setq face 'show-paren-match))
 	  ;;
 	  ;; If matching backwards, highlight the closeparen
 	  ;; before point as well as its matching open.
 	  ;; If matching forward, and the openparen is unbalanced,
 	  ;; highlight the paren at point to indicate misbalance.
 	  ;; Otherwise, turn off any such highlighting.
-	  (if (and (= dir 1) (integerp pos))
+	  (if (and (not show-paren-highlight-openparen) (= dir 1) (integerp pos))
 	      (when (and show-paren-overlay-1
 			 (overlay-buffer show-paren-overlay-1))
 		(delete-overlay show-paren-overlay-1))
@@ -243,4 +254,5 @@ in `show-paren-style' after `show-paren-delay' seconds of Emacs idle time."
 
 (provide 'paren)
 
+;; arch-tag: d0969b88-7ac0-4bd0-bd53-e73b892b86a9
 ;;; paren.el ends here