;;; shm-macros.el --- Macros
;; 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:
(defmacro shm-with-fallback (fallback &rest body)
"Perform the given action unless we're in a comment, in which
case run the fallback function insteaad."
`(if (shm-in-comment)
(call-interactively ',fallback)
(if debug-on-error
(progn ,@body)
(condition-case e
(progn ,@body)
(error
(message "(SHM command failed, falling back to %S. Run M-: (setq debug-on-error t) to see the error.)"
',fallback)
(call-interactively ',fallback))))))
(provide 'shm-macros)