awesome-pair.el is a plugin that provides grammatical parenthesis completion.
Clone or download this repository (path of the folder is the <path-to-awesome-pair> used below).
In your ~/.emacs, add the following two lines:
(add-to-list 'load-path "<path-to-awesome-pair>") ; add awesome-pair to your load-path
(require 'awesome-pair)Not all programming languages are suitable for parenthesis auto-completion. You can add awesome-pair.el to the programming language mode like below:
(dolist (hook (list
'c-mode-common-hook
'c-mode-hook
'c++-mode-hook
'java-mode-hook
'haskell-mode-hook
'emacs-lisp-mode-hook
'lisp-interaction-mode-hook
'lisp-mode-hook
'maxima-mode-hook
'ielm-mode-hook
'sh-mode-hook
'makefile-gmake-mode-hook
'php-mode-hook
'python-mode-hook
'js-mode-hook
'go-mode-hook
'qml-mode-hook
'jade-mode-hook
'css-mode-hook
'ruby-mode-hook
'coffee-mode-hook
'rust-mode-hook
'qmake-mode-hook
'lua-mode-hook
'swift-mode-hook
'minibuffer-inactive-mode-hook
))
(add-hook hook '(lambda () (awesome-pair-mode 1))))Then binding below awesome-pair.el commands with below keystrokes:
(define-key awesome-pair-mode-map (kbd "(") 'awesome-pair-open-round)
(define-key awesome-pair-mode-map (kbd "[") 'awesome-pair-open-bracket)
(define-key awesome-pair-mode-map (kbd "{") 'awesome-pair-open-curly)
(define-key awesome-pair-mode-map (kbd ")") 'awesome-pair-close-round)
(define-key awesome-pair-mode-map (kbd "]") 'awesome-pair-close-bracket)
(define-key awesome-pair-mode-map (kbd "}") 'awesome-pair-close-curly)
(define-key awesome-pair-mode-map (kbd "%") 'awesome-pair-match-paren)
(define-key awesome-pair-mode-map (kbd "\"") 'awesome-pair-double-quote)
(define-key awesome-pair-mode-map (kbd "M-o") 'awesome-pair-backward-delete)
(define-key awesome-pair-mode-map (kbd "C-d") 'awesome-pair-forward-delete)
(define-key awesome-pair-mode-map (kbd "C-k") 'awesome-pair-kill)
(define-key awesome-pair-mode-map (kbd "M-\"") 'awesome-pair-wrap-double-quote)
(define-key awesome-pair-mode-map (kbd "M-[") 'awesome-pair-wrap-bracket)
(define-key awesome-pair-mode-map (kbd "M-{") 'awesome-pair-wrap-curly)
(define-key awesome-pair-mode-map (kbd "M-(") 'awesome-pair-wrap-round)
(define-key awesome-pair-mode-map (kbd "M-)") 'awesome-pair-unwrap)
(define-key awesome-pair-mode-map (kbd "M-p") 'awesome-pair-jump-right)
(define-key awesome-pair-mode-map (kbd "M-n") 'awesome-pair-jump-left)
(define-key awesome-pair-mode-map (kbd "M-:") 'awesome-pair-jump-out-pair-and-newline)
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