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;;; js2-mode-expansions.el --- Additional expansions for js2-mode
;; Copyright (C) 2011 Magnar Sveen
;; Author: Magnar Sveen <magnars@gmail.com>
;; Keywords: marking region
;; This program is free software; you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation, either version 3 of the License, or
;; (at your option) any later version.
;; This program is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;; GNU General Public License for more details.
;; You should have received a copy of the GNU General Public License
;; along with this program. If not, see <http://www.gnu.org/licenses/>.
;;; Commentary:
;; Extra expansions specifically for js2-mode, since it has
;; a semantic parser.
;;
;; Feel free to contribute any other expansions for JavaScript at
;;
;; https://github.com/magnars/expand-region.el
;;; Code:
(require 'expand-region-core)
(declare-function js2-node-parent-stmt "js2-mode")
(declare-function js2-node-at-point "js2-mode")
(declare-function js2-node-abs-pos "js2-mode")
(declare-function js2-node-len "js2-mode")
(defun js2-mark-parent-statement ()
(interactive)
(let* ((parent-statement (if (not (er/looking-back-exact ";"))
(js2-node-parent-stmt (js2-node-at-point))
(forward-char -1)
(js2-node-at-point)))
(beg (js2-node-abs-pos parent-statement))
(end (+ beg (js2-node-len parent-statement))))
(goto-char beg)
(set-mark end)))
(defun er/add-js2-mode-expansions ()
"Adds expansions for buffers in js2-mode"
(set (make-local-variable 'er/try-expand-list) (append
er/try-expand-list
'(js2-mark-parent-statement))))
(er/enable-mode-expansions 'js2-mode 'er/add-js2-mode-expansions)
(provide 'js2-mode-expansions)
;; js2-mode-expansions.el ends here