76 lines
2.3 KiB
EmacsLisp
76 lines
2.3 KiB
EmacsLisp
;;; js2r-wrapping.el --- Helper functions for wrapping/unwrapping -*- lexical-binding: t; -*-
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;; Copyright (C) 2017 Nicolas Petton
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;; Author: Nicolas Petton
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;; This program is free software; you can redistribute it and/or modify
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;; it under the terms of the GNU General Public License as published by
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;; the Free Software Foundation, either version 3 of the License, or
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;; (at your option) any later version.
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;; This program is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;; GNU General Public License for more details.
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;; You should have received a copy of the GNU General Public License
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;; along with this program. If not, see <http://www.gnu.org/licenses/>.
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;;; Commentary:
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;;
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;;; Code:
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(require 'yasnippet)
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(require 'js2r-helpers)
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(defvar js2r--space-str " \t\n")
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(defun js2r--skip-region-whitespace ()
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(let ((p-first (< (point) (mark))))
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(unless p-first
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(exchange-point-and-mark))
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(skip-chars-forward js2r--space-str)
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(exchange-point-and-mark)
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(skip-chars-backward js2r--space-str)
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(when p-first
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(exchange-point-and-mark))))
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(defun js2r-unwrap ()
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(interactive)
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(js2r--guard)
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(js2r--wait-for-parse
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(let (beg end)
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(if (use-region-p)
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(progn
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(js2r--skip-region-whitespace)
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(setq beg (min (point) (mark)))
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(setq end (max (point) (mark))))
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(let ((stmt (js2-node-parent-stmt (js2-node-at-point))))
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(setq beg (js2-node-abs-pos stmt))
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(setq end (js2-node-abs-end stmt))))
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(let* ((ancestor (js2-node-parent-stmt
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(js2r--first-common-ancestor-in-region beg end)))
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(abeg (js2-node-abs-pos ancestor))
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(aend (js2-node-abs-end ancestor)))
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(save-excursion
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(goto-char end)
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(delete-char (- aend end))
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(goto-char abeg)
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(delete-char (- beg abeg)))
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(indent-region (point-min) (point-max))))))
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(defun js2r-wrap-in-for-loop (beg end)
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(interactive "r")
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(js2r--skip-region-whitespace)
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(setq beg (min (point) (mark)))
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(setq end (max (point) (mark)))
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(let ((yas-wrap-around-region t))
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(yas-expand-snippet "for (var i = 0, l = ${1:length}; i < l; i++) {\n$0\n}"
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beg end)))
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(provide 'js2r-wrapping)
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;;; js2r-wrapping.el ends here
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