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Diffstat (limited to 'configs/shared/emacs/.emacs.d/elpa/haskell-mode-20180601.143/highlight-uses-mode.el')
| -rw-r--r-- | configs/shared/emacs/.emacs.d/elpa/haskell-mode-20180601.143/highlight-uses-mode.el | 106 |
1 files changed, 106 insertions, 0 deletions
diff --git a/configs/shared/emacs/.emacs.d/elpa/haskell-mode-20180601.143/highlight-uses-mode.el b/configs/shared/emacs/.emacs.d/elpa/haskell-mode-20180601.143/highlight-uses-mode.el new file mode 100644 index 000000000000..722c96414343 --- /dev/null +++ b/configs/shared/emacs/.emacs.d/elpa/haskell-mode-20180601.143/highlight-uses-mode.el @@ -0,0 +1,106 @@ +;;; highlight-uses-mode.el --- Mode for highlighting uses -*- lexical-binding: t -*- + +;; Copyright (c) 2014 Chris Done. All rights reserved. + +;; This file 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, or (at your option) +;; any later version. + +;; This file 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/>. + +;;; Code: + +(require 'cl-lib) + +(defvar highlight-uses-mode-map + (let ((map (make-sparse-keymap))) + (define-key map (kbd "TAB") 'highlight-uses-mode-next) + (define-key map (kbd "S-TAB") 'highlight-uses-mode-prev) + (define-key map (kbd "<backtab>") 'highlight-uses-mode-prev) + (define-key map (kbd "RET") 'highlight-uses-mode-stop-here) + (define-key map (kbd "C-g") 'highlight-uses-mode) + map) + "Keymap for using `highlight-uses-mode'.") + +(defvar-local highlight-uses-mode-point nil) + +;;;###autoload +(define-minor-mode highlight-uses-mode + "Minor mode for highlighting and jumping between uses." + :lighter " Uses" + :keymap highlight-uses-mode-map + (if highlight-uses-mode + (setq highlight-uses-mode-point (point)) + (when highlight-uses-mode-point + (goto-char highlight-uses-mode-point))) + (remove-overlays (point-min) (point-max) 'highlight-uses-mode-highlight t)) + +(defun highlight-uses-mode-replace () + "Replace all highlighted instances in the buffer with something + else." + (interactive) + (save-excursion + (goto-char (point-min)) + (let ((o (highlight-uses-mode-next))) + (when o + (let ((replacement (read-from-minibuffer (format "Replace uses %s with: " + (buffer-substring + (overlay-start o) + (overlay-end o)))))) + + (while o + (goto-char (overlay-start o)) + (delete-region (overlay-start o) + (overlay-end o)) + (insert replacement) + (setq o (highlight-uses-mode-next)))))))) + +(defun highlight-uses-mode-stop-here () + "Stop at this point." + (interactive) + (setq highlight-uses-mode-point (point)) + (highlight-uses-mode -1)) + +(defun highlight-uses-mode-next () + "Jump to next result." + (interactive) + (let ((os (sort (cl-remove-if (lambda (o) + (or (<= (overlay-start o) (point)) + (not (overlay-get o 'highlight-uses-mode-highlight)))) + (overlays-in (point) (point-max))) + (lambda (a b) + (< (overlay-start a) + (overlay-start b)))))) + (when os + (goto-char (overlay-start (car os))) + (car os)))) + +(defun highlight-uses-mode-prev () + "Jump to previous result." + (interactive) + (let ((os (sort (cl-remove-if (lambda (o) + (or (>= (overlay-end o) (point)) + (not (overlay-get o 'highlight-uses-mode-highlight)))) + (overlays-in (point-min) (point))) + (lambda (a b) + (> (overlay-start a) + (overlay-start b)))))) + (when os + (goto-char (overlay-start (car os))) + (car os)))) + +(defun highlight-uses-mode-highlight (start end) + "Make a highlight overlay at the given span." + (let ((o (make-overlay start end))) + (overlay-put o 'priority 999) + (overlay-put o 'face 'isearch) + (overlay-put o 'highlight-uses-mode-highlight t))) + +(provide 'highlight-uses-mode) |