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- ;;; haskell-compat.el --- legacy/compatibility backports for haskell-mode -*- lexical-binding: t -*-
- ;;
- ;; Filename: haskell-compat.el
- ;; Description: legacy/compatibility backports for haskell-mode
-
- ;; This file is not part of GNU Emacs.
-
- ;; 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/>.
-
- ;;; Commentary:
-
- ;;; Code:
- (require 'etags)
- (require 'ring)
- (require 'outline)
- (require 'xref nil t)
-
- (eval-when-compile
- (setq byte-compile-warnings '(not cl-functions obsolete)))
-
-
- ;; Cross-referencing commands have been replaced since Emacs 25.1.
- ;; These aliases are required to provide backward compatibility.
- (unless (fboundp 'xref-push-marker-stack)
- (defalias 'xref-pop-marker-stack 'pop-tag-mark)
-
- (defun xref-push-marker-stack (&optional m)
- "Add point M (defaults to `point-marker') to the marker stack."
- (ring-insert find-tag-marker-ring (or m (point-marker)))))
-
- (unless (fboundp 'outline-hide-sublevels)
- (defalias 'outline-hide-sublevels 'hide-sublevels))
-
- (unless (fboundp 'outline-show-subtree)
- (defalias 'outline-show-subtree 'show-subtree))
-
- (unless (fboundp 'outline-hide-sublevels)
- (defalias 'outline-hide-sublevels 'hide-sublevels))
-
- (unless (fboundp 'outline-show-subtree)
- (defalias 'outline-show-subtree 'show-subtree))
-
- (unless (fboundp 'xref-find-definitions)
- (defun xref-find-definitions (ident)
- (let ((next-p (and (boundp 'xref-prompt-for-identifier)
- xref-prompt-for-identifier)))
- (find-tag ident next-p))))
-
- (unless (fboundp 'font-lock-ensure)
- (defalias 'font-lock-ensure 'font-lock-fontify-buffer))
-
- (provide 'haskell-compat)
-
- ;;; haskell-compat.el ends here
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