;;; ledit.el --- Emacs side of ledit interface ;; Copyright (C) 1985 Free Software Foundation, Inc. ;; Maintainer: FSF ;; Keyword: 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, Inc., 59 Temple Place - Suite 330, ;; Boston, MA 02111-1307, USA. ;;; Commentary: ;; This is a major mode for editing Liszt. See etc/LEDIT for details. ;;; Code: ;;; To do: ;;; o lisp -> emacs side of things (grind-definition and find-definition) (defvar ledit-mode-map nil) (defconst ledit-zap-file (concat "/tmp/" (user-login-name) ".l1") "File name for data sent to Lisp by Ledit.") (defconst ledit-read-file (concat "/tmp/" (user-login-name) ".l2") "File name for data sent to Ledit by Lisp.") (defconst ledit-compile-file (concat "/tmp/" (user-login-name) ".l4") "File name for data sent to Lisp compiler by Ledit.") (defconst ledit-buffer "*LEDIT*" "Name of buffer in which Ledit accumulates data to send to Lisp.") ;;;###autoload (defconst ledit-save-files t "\ *Non-nil means Ledit should save files before transferring to Lisp.") ;;;###autoload (defconst ledit-go-to-lisp-string "%?lisp" "\ *Shell commands to execute to resume Lisp job.") ;;;###autoload (defconst ledit-go-to-liszt-string "%?liszt" "\ *Shell commands to execute to resume Lisp compiler job.") (defun ledit-save-defun () "Save the current defun in the ledit buffer" (interactive) (save-excursion (end-of-defun) (let ((end (point))) (beginning-of-defun) (append-to-buffer ledit-buffer (point) end)) (message "Current defun saved for Lisp"))) (defun ledit-save-region (beg end) "Save the current region in the ledit buffer" (interactive "r") (append-to-buffer ledit-buffer beg end) (message "Region saved for Lisp")) (defun ledit-zap-defun-to-lisp () "Carry the current defun to Lisp." (interactive) (ledit-save-defun) (ledit-go-to-lisp)) (defun ledit-zap-defun-to-liszt () "Carry the current defun to liszt." (interactive) (ledit-save-defun) (ledit-go-to-liszt)) (defun ledit-zap-region-to-lisp (beg end) "Carry the current region to Lisp." (interactive "r") (ledit-save-region beg end) (ledit-go-to-lisp)) (defun ledit-go-to-lisp () "Suspend Emacs and restart a waiting Lisp job." (interactive) (if ledit-save-files (save-some-buffers)) (if (get-buffer ledit-buffer) (save-excursion (set-buffer ledit-buffer) (goto-char (point-min)) (write-region (point-min) (point-max) ledit-zap-file) (erase-buffer))) (suspend-emacs ledit-go-to-lisp-string) (load ledit-read-file t t)) (defun ledit-go-to-liszt () "Suspend Emacs and restart a waiting Liszt job." (interactive) (if ledit-save-files (save-some-buffers)) (if (get-buffer ledit-buffer) (save-excursion (set-buffer ledit-buffer) (goto-char (point-min)) (insert "(declare (macros t))\n") (write-region (point-min) (point-max) ledit-compile-file) (erase-buffer))) (suspend-emacs ledit-go-to-liszt-string) (load ledit-read-file t t)) (defun ledit-setup () "Set up key bindings for the Lisp/Emacs interface." (if (not ledit-mode-map) (progn (setq ledit-mode-map (nconc (make-sparse-keymap) shared-lisp-mode-map)))) (define-key ledit-mode-map "\e\^d" 'ledit-save-defun) (define-key ledit-mode-map "\e\^r" 'ledit-save-region) (define-key ledit-mode-map "\^xz" 'ledit-go-to-lisp) (define-key ledit-mode-map "\e\^c" 'ledit-go-to-liszt)) (ledit-setup) ;;;###autoload (defun ledit-mode () "\\<ledit-mode-map>Major mode for editing text and stuffing it to a Lisp job. Like Lisp mode, plus these special commands: \\[ledit-save-defun] -- record defun at or after point for later transmission to Lisp job. \\[ledit-save-region] -- record region for later transmission to Lisp job. \\[ledit-go-to-lisp] -- transfer to Lisp job and transmit saved text. \\[ledit-go-to-liszt] -- transfer to Liszt (Lisp compiler) job and transmit saved text. \\{ledit-mode-map} To make Lisp mode automatically change to Ledit mode, do (setq lisp-mode-hook 'ledit-from-lisp-mode)" (interactive) (lisp-mode) (ledit-from-lisp-mode)) ;;;###autoload (defun ledit-from-lisp-mode () (use-local-map ledit-mode-map) (setq mode-name "Ledit") (setq major-mode 'ledit-mode) (run-hooks 'ledit-mode-hook)) (provide 'ledit) ;;; ledit.el ends here