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bug#14000: 24.3.50; electric-pair-post-self-insert-function does not han
From: |
Stefan Monnier |
Subject: |
bug#14000: 24.3.50; electric-pair-post-self-insert-function does not handle nested parentheses |
Date: |
Mon, 01 Apr 2013 09:28:56 -0400 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/24.3.50 (gnu/linux) |
> OK, I maybe should have suggested adding a preference.
> But if you live in a world of paired parentheses (and I thought
> Emacs-Lispers were!) you want to add them in pairs, always.
I installed the patch below,
Stefan
=== modified file 'lisp/electric.el'
--- lisp/electric.el 2013-01-01 09:11:05 +0000
+++ lisp/electric.el 2013-04-01 13:27:16 +0000
@@ -302,6 +302,26 @@
:version "24.1"
:type 'boolean)
+(defcustom electric-pair-inhibit-predicate
+ #'electric-pair-default-inhibit
+ "Predicate to prevent insertion of a matching pair.
+The function is called with a single char (the opening char just inserted).
+If it returns non-nil, then `electric-pair-mode' will not insert a matching
+closer."
+ :type '(choice
+ (const :tag "Default" electric-pair-default-inhibit)
+ (const :tag "Always pair" ignore)
+ function))
+
+(defun electric-pair-default-inhibit (char)
+ (or
+ ;; I find it more often preferable not to pair when the
+ ;; same char is next.
+ (eq char (char-after))
+ (eq char (char-before (1- (point))))
+ ;; I also find it often preferable not to pair next to a word.
+ (eq (char-syntax (following-char)) ?w)))
+
(defun electric-pair-syntax (command-event)
(and electric-pair-mode
(let ((x (assq command-event electric-pair-pairs)))
@@ -351,12 +371,7 @@
;; Insert matching pair.
((not (or (not (memq syntax `(?\( ?\" ?\$)))
overwrite-mode
- ;; I find it more often preferable not to pair when the
- ;; same char is next.
- (eq last-command-event (char-after))
- (eq last-command-event (char-before (1- (point))))
- ;; I also find it often preferable not to pair next to a word.
- (eq (char-syntax (following-char)) ?w)))
+ (funcall electric-pair-inhibit-predicate last-command-event)))
(save-excursion (insert closer))))))
(defun electric-pair-will-use-region ()
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- bug#14000: 24.3.50; electric-pair-post-self-insert-function does not handle nested parentheses,
Stefan Monnier <=