Add novaboot-mode for Emacs

diff --git a/contrib/novaboot-mode.el b/contrib/novaboot-mode.el
new file mode 100644 (file)
index 0000000..1be10a0
--- /dev/null
+++ b/contrib/novaboot-mode.el
@@ -0,0 +1,92 @@
+;;; novaboot-mode.el --- Major mode for novaboot scripts
+
+;; Copyright (C) 2014  Michal Sojka
+
+;; Author: Michal Sojka <sojkam1@fel.cvut.cz>
+;; Keywords: languages, tools, files
+
+;; 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 <http://www.gnu.org/licenses/>.
+
+;;; Commentary:
+
+;;
+
+;;; Code:
+
+
+(defvar novaboot-mode-syntax-table
+  (let ((table (make-syntax-table))
+       (list (list ?\# "<"
+                   ?\n ">#"
+                   ?\" "\"\""
+                   ?\' "\"'"
+                   ?\` "\"`"
+                   ?=  "."
+                   )))
+    (while list
+      (modify-syntax-entry (pop list) (pop list) table))
+    table))
+
+(defvar novaboot-mode-font-lock-keywords
+  `(("^#.*" . font-lock-comment-face)
+    ("^load\\>.*\\(<<EOF\\)\n\\(\\(?:.*\n\\)*?\\)\\(EOF\\)\n"
+     (1 font-lock-preprocessor-face)
+     (2 font-lock-string-face)
+     (3 font-lock-preprocessor-face))
+    ("^\\(load\\)\\s-+\\([^ \n\t]*\\)"
+     (1 font-lock-keyword-face)
+     (2 font-lock-function-name-face))
+    ("^load\\>.*?< \\(.*\\)"
+     (1 font-lock-string-face))
+    ("^run\\>" . font-lock-keyword-face)
+    ("^\\([A-Z_]+\\)=" (1 font-lock-variable-name-face))
+    ))
+
+(defun novaboot-font-lock-extend-region ()
+  (let ((changed nil))
+    (goto-char font-lock-beg)
+    (when (re-search-forward "^EOF\\>" font-lock-end t)
+      (re-search-backward "<<EOF$" nil t)
+      (when (< (point) font-lock-beg)
+       (setq changed t font-lock-beg (point))))
+    (goto-char font-lock-end)
+    (when (re-search-backward "<<EOF$" font-lock-beg t)
+      (re-search-forward "^EOF\\>" nil t)
+      (when (> (point) font-lock-end)
+       (setq changed t font-lock-end (point))))
+    changed))
+
+(defun novaboot-post-self-insert ()
+  (when (looking-back "<<$" (- (point) 2))
+    (insert "EOF\n\nEOF")
+    (previous-line)))
+
+;;;###autoload
+(define-derived-mode novaboot-mode prog-mode "Novaboot"
+  :syntax-table novaboot-mode-syntax-table
+  (set (make-local-variable 'font-lock-defaults)
+       '(novaboot-mode-font-lock-keywords t))
+  (set (make-local-variable 'font-lock-verbose) t)
+  (setq font-lock-multiline t)
+  (add-hook 'font-lock-extend-region-functions 'novaboot-font-lock-extend-region)
+  (add-hook 'post-self-insert-hook 'novaboot-post-self-insert))
+
+;;;###autoload
+(progn
+  (add-to-list 'auto-mode-alist '("/\\.novaboot\\'" . perl-mode))
+  (add-to-list 'interpreter-mode-alist '("novaboot" . novaboot-mode)))
+
+
+(provide 'novaboot-mode)
+;;; novaboot-mode.el ends here