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;;; cil-mode.el --- major mode for selinux cil -*- lexical-binding: t; -*-
;; Copyright (C) 2025 John Turner
;; Author: John Turner <jturner.usa@gmail.com>
;; Keywords:
;; 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 <https://www.gnu.org/licenses/>.
;;; Code:
(require 'rx)
(put 'block 'lisp-indent-function 4)
(defcustom cil-mode-indent-width 4
"Amount of spaces to indent expressions with.")
(defun cil-mode--indent-function (_ _)
(* cil-mode-indent-width (car (syntax-ppss))))
(defvar cil-mode--font-lock-defaults
`((,(rx (group (or "in" "block" "macro")) eow)
0 font-lock-keyword-face)))
(define-derived-mode cil-mode lisp-data-mode "cil"
(setq-local font-lock-defaults cil-mode--font-lock-defaults)
(setq-local lisp-indent-function 'cil-mode--indent-function))
(add-to-list 'auto-mode-alist '("\\.cil\\'" . cil-mode))
(provide 'cil-mode)
;;; cil-mode.el ends here
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