;;; frsh-forb.el --- Helper functions for editing FRSH/FORB sources

;; Copyright (C) 2010  Michal Sojka

;; Author: Michal Sojka <sojkam1@fel.cvut.cz>
;; Keywords: c, files, convenience

;; 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:

(defun update-fres-error-c ()
  "When called from fres_error.h it updates fres_error.c to match
the list if defined errors"
  (save-excursion
    (beginning-of-buffer)
    (let* ((beg (progn
		  (re-search-forward "^enum fres_error \{")
		  (beginning-of-line 2)
		  (point)))
	   (end (progn
		  (search-forward "}")
		  (beginning-of-line)
		  (point))))
      (let ((errors))
	(save-restriction
	  (narrow-to-region beg end)
	  (goto-char (point-min))
	  (while (re-search-forward "^[[:space:]]*FRES_ERR_" nil t)
	    (push (current-word) errors)))
	(save-current-buffer
	  (set-buffer (find-file-noselect "fres_error.c"))
	  (beginning-of-buffer)
	  (search-forward "switch (e) {")
	  (kill-region (point) (save-excursion (search-forward "}") (backward-char) (point)))
	  (insert "\n")

	  (dolist (e errors)
	    (insert "\n")
	    (indent-according-to-mode)
	    (previous-line)
	    (insert (concat "MSG(" (replace-regexp-in-string "^FRES_ERR_" "" e) ");"))
	    (indent-according-to-mode)
	    (beginning-of-line)))))
    (message "fres_error.c updated")))



(provide 'frsh-forb)
;;; frsh-forb.el ends here