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-;;; medit.el --- front-end to the MEDIT package for editing MDL
-
-;; Copyright (C) 1985 Free Software Foundation, Inc.
-
-;; Author: K. Shane Hartman
-;; Maintainer: FSF
-;; Keywords: languages
-
-;; This file is part of GNU Emacs.
-
-;; GNU Emacs 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 2, or (at your option)
-;; any later version.
-
-;; GNU Emacs 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 GNU Emacs; see the file COPYING. If not, write to
-;; the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
-
-;;; Commentary:
-
-;; >> This package depends on two MDL packages: MEDIT and FORKS which
-;; >> can be obtained from the public (network) library at mit-ajax.
-
-;;; Code:
-
-(require 'mim-mode)
-
-(defconst medit-zap-file (concat "/tmp/" (user-login-name) ".medit.mud")
- "File name for data sent to MDL by Medit.")
-(defconst medit-buffer "*MEDIT*"
- "Name of buffer in which Medit accumulates data to send to MDL.")
-(defconst medit-save-files t
- "If non-nil, Medit offers to save files on return to MDL.")
-
-(defun medit-save-define ()
- "Mark the previous or surrounding toplevel object to be sent back to MDL."
- (interactive)
- (save-excursion
- (beginning-of-DEFINE)
- (let ((start (point)))
- (forward-mim-object 1)
- (append-to-buffer medit-buffer start (point))
- (goto-char start)
- (message "%s" (buffer-substring start (progn (end-of-line) (point)))))))
-
-(defun medit-save-region (start end)
- "Mark the current region to be sent to back to MDL."
- (interactive "r")
- (append-to-buffer medit-buffer start end)
- (message "Current region saved for MDL."))
-
-(defun medit-save-buffer ()
- "Mark the current buffer to be sent back to MDL."
- (interactive)
- (append-to-buffer medit-buffer (point-min) (point-max))
- (message "Current buffer saved for MDL."))
-
-(defun medit-zap-define-to-mdl ()
- "Return to MDL with surrounding or previous toplevel MDL object."
- (interactive)
- (medit-save-define)
- (medit-goto-mdl))
-
-(defun medit-zap-region-mdl (start end)
- "Return to MDL with current region."
- (interactive)
- (medit-save-region start end)
- (medit-goto-mdl))
-
-(defun medit-zap-buffer ()
- "Return to MDL with current buffer."
- (interactive)
- (medit-save-buffer)
- (medit-goto-mdl))
-
-(defun medit-goto-mdl ()
- "Return from Emacs to superior MDL, sending saved code.
-Optionally, offers to save changed files."
- (interactive)
- (let ((buffer (get-buffer medit-buffer)))
- (if buffer
- (save-excursion
- (set-buffer buffer)
- (if (buffer-modified-p buffer)
- (write-region (point-min) (point-max) medit-zap-file))
- (set-buffer-modified-p nil)
- (erase-buffer)))
- (if medit-save-files (save-some-buffers))
- ;; Note could handle parallel fork by giving argument "%xmdl". Then
- ;; mdl would have to invoke with "%emacs".
- (suspend-emacs)))
-
-(defconst medit-mode-map nil)
-(if (not medit-mode-map)
- (progn
- (setq medit-mode-map (copy-keymap mim-mode-map))
- (define-key medit-mode-map "\e\z" 'medit-save-define)
- (define-key medit-mode-map "\e\^z" 'medit-save-buffer)
- (define-key medit-mode-map "\^xz" 'medit-goto-mdl)
- (define-key medit-mode-map "\^xs" 'medit-zap-buffer)))
-
-(defconst medit-mode-hook (and (boundp 'mim-mode-hook) mim-mode-hook) "")
-(setq mim-mode-hook '(lambda () (medit-mode)))
-
-(defun medit-mode (&optional state)
- "Major mode for editing text and returning it to a superior MDL.
-Like Mim mode, plus these special commands:
-\\{medit-mode-map}"
- (interactive)
- (use-local-map medit-mode-map)
- (run-hooks 'medit-mode-hook)
- (setq major-mode 'medit-mode)
- (setq mode-name "Medit"))
-
-(mim-mode)
-
-;;; medit.el ends here