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[emacs.git] / lisp / ledit.el
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1 ;;; ledit.el --- Emacs side of ledit interface
3 ;; Copyright (C) 1985 Free Software Foundation, Inc.
5 ;; Maintainer: FSF
6 ;; Keywords: languages
8 ;; This file is part of GNU Emacs.
10 ;; GNU Emacs is free software; you can redistribute it and/or modify
11 ;; it under the terms of the GNU General Public License as published by
12 ;; the Free Software Foundation; either version 2, or (at your option)
13 ;; any later version.
15 ;; GNU Emacs is distributed in the hope that it will be useful,
16 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
17 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 ;; GNU General Public License for more details.
20 ;; You should have received a copy of the GNU General Public License
21 ;; along with GNU Emacs; see the file COPYING. If not, write to the
22 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
23 ;; Boston, MA 02111-1307, USA.
25 ;;; Commentary:
27 ;; This is a major mode for editing Liszt. See etc/LEDIT for details.
29 ;;; Code:
31 ;;; To do:
32 ;;; o lisp -> emacs side of things (grind-definition and find-definition)
34 (defvar ledit-mode-map nil)
36 (defconst ledit-zap-file
37 (expand-file-name (concat (user-login-name) ".l1") temporary-file-directory)
38 "File name for data sent to Lisp by Ledit.")
39 (defconst ledit-read-file
40 (expand-file-name (concat (user-login-name) ".l2") temporary-file-directory)
41 "File name for data sent to Ledit by Lisp.")
42 (defconst ledit-compile-file
43 (expand-file-name (concat (user-login-name) ".l4") temporary-file-directory)
44 "File name for data sent to Lisp compiler by Ledit.")
45 (defconst ledit-buffer "*LEDIT*"
46 "Name of buffer in which Ledit accumulates data to send to Lisp.")
48 ;;;###autoload
49 (defconst ledit-save-files t "\
50 *Non-nil means Ledit should save files before transferring to Lisp.")
51 ;;;###autoload
52 (defconst ledit-go-to-lisp-string "%?lisp" "\
53 *Shell commands to execute to resume Lisp job.")
54 ;;;###autoload
55 (defconst ledit-go-to-liszt-string "%?liszt" "\
56 *Shell commands to execute to resume Lisp compiler job.")
58 (defun ledit-save-defun ()
59 "Save the current defun in the ledit buffer"
60 (interactive)
61 (save-excursion
62 (end-of-defun)
63 (let ((end (point)))
64 (beginning-of-defun)
65 (append-to-buffer ledit-buffer (point) end))
66 (message "Current defun saved for Lisp")))
68 (defun ledit-save-region (beg end)
69 "Save the current region in the ledit buffer"
70 (interactive "r")
71 (append-to-buffer ledit-buffer beg end)
72 (message "Region saved for Lisp"))
74 (defun ledit-zap-defun-to-lisp ()
75 "Carry the current defun to Lisp."
76 (interactive)
77 (ledit-save-defun)
78 (ledit-go-to-lisp))
80 (defun ledit-zap-defun-to-liszt ()
81 "Carry the current defun to liszt."
82 (interactive)
83 (ledit-save-defun)
84 (ledit-go-to-liszt))
86 (defun ledit-zap-region-to-lisp (beg end)
87 "Carry the current region to Lisp."
88 (interactive "r")
89 (ledit-save-region beg end)
90 (ledit-go-to-lisp))
92 (defun ledit-go-to-lisp ()
93 "Suspend Emacs and restart a waiting Lisp job."
94 (interactive)
95 (if ledit-save-files
96 (save-some-buffers))
97 (if (get-buffer ledit-buffer)
98 (save-excursion
99 (set-buffer ledit-buffer)
100 (goto-char (point-min))
101 (write-region (point-min) (point-max) ledit-zap-file)
102 (erase-buffer)))
103 (suspend-emacs ledit-go-to-lisp-string)
104 (load ledit-read-file t t))
106 (defun ledit-go-to-liszt ()
107 "Suspend Emacs and restart a waiting Liszt job."
108 (interactive)
109 (if ledit-save-files
110 (save-some-buffers))
111 (if (get-buffer ledit-buffer)
112 (save-excursion
113 (set-buffer ledit-buffer)
114 (goto-char (point-min))
115 (insert "(declare (macros t))\n")
116 (write-region (point-min) (point-max) ledit-compile-file)
117 (erase-buffer)))
118 (suspend-emacs ledit-go-to-liszt-string)
119 (load ledit-read-file t t))
121 (defun ledit-setup ()
122 "Set up key bindings for the Lisp/Emacs interface."
123 (unless ledit-mode-map
124 (setq ledit-mode-map (make-sparse-keymap))
125 (set-keymap-parent ledit-mode-map lisp-mode-shared-map))
126 (define-key ledit-mode-map "\e\^d" 'ledit-save-defun)
127 (define-key ledit-mode-map "\e\^r" 'ledit-save-region)
128 (define-key ledit-mode-map "\^xz" 'ledit-go-to-lisp)
129 (define-key ledit-mode-map "\e\^c" 'ledit-go-to-liszt))
131 (ledit-setup)
133 ;;;###autoload
134 (defun ledit-mode ()
135 "\\<ledit-mode-map>Major mode for editing text and stuffing it to a Lisp job.
136 Like Lisp mode, plus these special commands:
137 \\[ledit-save-defun] -- record defun at or after point
138 for later transmission to Lisp job.
139 \\[ledit-save-region] -- record region for later transmission to Lisp job.
140 \\[ledit-go-to-lisp] -- transfer to Lisp job and transmit saved text.
141 \\[ledit-go-to-liszt] -- transfer to Liszt (Lisp compiler) job
142 and transmit saved text.
143 \\{ledit-mode-map}
144 To make Lisp mode automatically change to Ledit mode,
145 do (setq lisp-mode-hook 'ledit-from-lisp-mode)"
146 (interactive)
147 (lisp-mode)
148 (ledit-from-lisp-mode))
150 ;;;###autoload
151 (defun ledit-from-lisp-mode ()
152 (use-local-map ledit-mode-map)
153 (setq mode-name "Ledit")
154 (setq major-mode 'ledit-mode)
155 (run-hooks 'ledit-mode-hook))
157 (provide 'ledit)
159 ;;; arch-tag: f0f1ca13-8d31-478c-ae1b-b448c55a8faf
160 ;;; ledit.el ends here