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;;; ninja-mode.el --- Major mode for editing .ninja files
;; Copyright 2011 Google Inc. All Rights Reserved.
;;
;; Licensed under the Apache License, Version 2.0 (the "License");
;; you may not use this file except in compliance with the License.
;; You may obtain a copy of the License at
;;
;; http://www.apache.org/licenses/LICENSE-2.0
;;
;; Unless required by applicable law or agreed to in writing, software
;; distributed under the License is distributed on an "AS IS" BASIS,
;; WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
;; See the License for the specific language governing permissions and
;; limitations under the License.
;;; Commentary:
;; Simple emacs mode for editing .ninja files.
;; Just some syntax highlighting for now.
;;; Code:
(defvar ninja-keywords
(list
'("^#.*" . font-lock-comment-face)
(cons (concat "^" (regexp-opt '("rule" "build" "subninja" "include"
"pool" "default")
'words))
font-lock-keyword-face)
'("\\([[:alnum:]_]+\\) =" . (1 font-lock-variable-name-face))
;; Variable expansion.
'("\\($[[:alnum:]_]+\\)" . (1 font-lock-variable-name-face))
;; Rule names
'("rule +\\([[:alnum:]_.-]+\\)" . (1 font-lock-function-name-face))
;; Build Statement - highlight the rule used,
;; allow for escaped $,: in outputs.
'("build +\\(?:[^:$\n]\\|$[:$]\\)+ *: *\\([[:alnum:]_.-]+\\)" .
(1 font-lock-function-name-face))
))
;;;###autoload
(define-derived-mode ninja-mode prog-mode "ninja"
(setq comment-start "#")
; Pass extra "t" to turn off syntax-based fontification -- we don't want
; quoted strings highlighted.
(setq font-lock-defaults '(ninja-keywords t))
)
;; Run ninja-mode for files ending in .ninja.
;;;###autoload
(add-to-list 'auto-mode-alist '("\\.ninja$" . ninja-mode))
(provide 'ninja-mode)
;;; ninja-mode.el ends here
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