Merge from emacs--rel--22
[emacs.git] / lisp / ledit.el
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1 ;;; ledit.el --- Emacs side of ledit interface
3 ;; Copyright (C) 1985, 2001, 2002, 2003, 2004, 2005,
4 ;; 2006, 2007 Free Software Foundation, Inc.
6 ;; Maintainer: FSF
7 ;; Keywords: languages
9 ;; This file is part of GNU Emacs.
11 ;; GNU Emacs is free software; you can redistribute it and/or modify
12 ;; it under the terms of the GNU General Public License as published by
13 ;; the Free Software Foundation; either version 2, or (at your option)
14 ;; any later version.
16 ;; GNU Emacs is distributed in the hope that it will be useful,
17 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
18 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 ;; GNU General Public License for more details.
21 ;; You should have received a copy of the GNU General Public License
22 ;; along with GNU Emacs; see the file COPYING. If not, write to the
23 ;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
24 ;; Boston, MA 02110-1301, USA.
26 ;;; Commentary:
28 ;; This is a major mode for editing Liszt. See etc/LEDIT for details.
30 ;;; Code:
32 ;;; To do:
33 ;;; o lisp -> emacs side of things (grind-definition and find-definition)
35 (defvar ledit-mode-map nil)
37 (defconst ledit-zap-file
38 (expand-file-name (concat (user-login-name) ".l1") temporary-file-directory)
39 "File name for data sent to Lisp by Ledit.")
40 (defconst ledit-read-file
41 (expand-file-name (concat (user-login-name) ".l2") temporary-file-directory)
42 "File name for data sent to Ledit by Lisp.")
43 (defconst ledit-compile-file
44 (expand-file-name (concat (user-login-name) ".l4") temporary-file-directory)
45 "File name for data sent to Lisp compiler by Ledit.")
46 (defconst ledit-buffer "*LEDIT*"
47 "Name of buffer in which Ledit accumulates data to send to Lisp.")
49 ;;;###autoload
50 (defconst ledit-save-files t "\
51 *Non-nil means Ledit should save files before transferring to Lisp.")
52 ;;;###autoload
53 (defconst ledit-go-to-lisp-string "%?lisp" "\
54 *Shell commands to execute to resume Lisp job.")
55 ;;;###autoload
56 (defconst ledit-go-to-liszt-string "%?liszt" "\
57 *Shell commands to execute to resume Lisp compiler job.")
59 (defun ledit-save-defun ()
60 "Save the current defun in the ledit buffer."
61 (interactive)
62 (save-excursion
63 (end-of-defun)
64 (let ((end (point)))
65 (beginning-of-defun)
66 (append-to-buffer ledit-buffer (point) end))
67 (message "Current defun saved for Lisp")))
69 (defun ledit-save-region (beg end)
70 "Save the current region in the ledit buffer"
71 (interactive "r")
72 (append-to-buffer ledit-buffer beg end)
73 (message "Region saved for Lisp"))
75 (defun ledit-zap-defun-to-lisp ()
76 "Carry the current defun to Lisp."
77 (interactive)
78 (ledit-save-defun)
79 (ledit-go-to-lisp))
81 (defun ledit-zap-defun-to-liszt ()
82 "Carry the current defun to liszt."
83 (interactive)
84 (ledit-save-defun)
85 (ledit-go-to-liszt))
87 (defun ledit-zap-region-to-lisp (beg end)
88 "Carry the current region to Lisp."
89 (interactive "r")
90 (ledit-save-region beg end)
91 (ledit-go-to-lisp))
93 (defun ledit-go-to-lisp ()
94 "Suspend Emacs and restart a waiting Lisp job."
95 (interactive)
96 (if ledit-save-files
97 (save-some-buffers))
98 (if (get-buffer ledit-buffer)
99 (save-excursion
100 (set-buffer ledit-buffer)
101 (goto-char (point-min))
102 (write-region (point-min) (point-max) ledit-zap-file)
103 (erase-buffer)))
104 (suspend-emacs ledit-go-to-lisp-string)
105 (load ledit-read-file t t))
107 (defun ledit-go-to-liszt ()
108 "Suspend Emacs and restart a waiting Liszt job."
109 (interactive)
110 (if ledit-save-files
111 (save-some-buffers))
112 (if (get-buffer ledit-buffer)
113 (save-excursion
114 (set-buffer ledit-buffer)
115 (goto-char (point-min))
116 (insert "(declare (macros t))\n")
117 (write-region (point-min) (point-max) ledit-compile-file)
118 (erase-buffer)))
119 (suspend-emacs ledit-go-to-liszt-string)
120 (load ledit-read-file t t))
122 (defun ledit-setup ()
123 "Set up key bindings for the Lisp/Emacs interface."
124 (unless ledit-mode-map
125 (setq ledit-mode-map (make-sparse-keymap))
126 (set-keymap-parent ledit-mode-map lisp-mode-shared-map))
127 (define-key ledit-mode-map "\e\^d" 'ledit-save-defun)
128 (define-key ledit-mode-map "\e\^r" 'ledit-save-region)
129 (define-key ledit-mode-map "\^xz" 'ledit-go-to-lisp)
130 (define-key ledit-mode-map "\e\^c" 'ledit-go-to-liszt))
132 (ledit-setup)
134 ;;;###autoload
135 (defun ledit-mode ()
136 "\\<ledit-mode-map>Major mode for editing text and stuffing it to a Lisp job.
137 Like Lisp mode, plus these special commands:
138 \\[ledit-save-defun] -- record defun at or after point
139 for later transmission to Lisp job.
140 \\[ledit-save-region] -- record region for later transmission to Lisp job.
141 \\[ledit-go-to-lisp] -- transfer to Lisp job and transmit saved text.
142 \\[ledit-go-to-liszt] -- transfer to Liszt (Lisp compiler) job
143 and transmit saved text.
145 \\{ledit-mode-map}
146 To make Lisp mode automatically change to Ledit mode,
147 do (setq lisp-mode-hook 'ledit-from-lisp-mode)"
148 (interactive)
149 (delay-mode-hooks (lisp-mode))
150 (ledit-from-lisp-mode))
152 ;;;###autoload
153 (defun ledit-from-lisp-mode ()
154 (use-local-map ledit-mode-map)
155 (setq mode-name "Ledit")
156 (setq major-mode 'ledit-mode)
157 (run-mode-hooks 'ledit-mode-hook))
159 (provide 'ledit)
161 ;;; arch-tag: f0f1ca13-8d31-478c-ae1b-b448c55a8faf
162 ;;; ledit.el ends here