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comparison lisp/packages/ledit.el @ 0:376386a54a3c r19-14

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date Mon, 13 Aug 2007 08:45:50 +0200
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1 ;;; ledit.el --- Emacs side of ledit interface
2
3 ;; Copyright (C) 1985 Free Software Foundation, Inc.
4
5 ;; Maintainer: FSF
6 ;; Keyord: languages
7
8 ;; This file is part of XEmacs.
9
10 ;; XEmacs is free software; you can redistribute it and/or modify it
11 ;; 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.
14
15 ;; XEmacs is distributed in the hope that it will be useful, but
16 ;; WITHOUT ANY WARRANTY; without even the implied warranty of
17 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 ;; General Public License for more details.
19
20 ;; You should have received a copy of the GNU General Public License
21 ;; along with XEmacs; see the file COPYING. If not, write to the Free
22 ;; Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
23
24 ;;; Synched up with: FSF 19.30.
25
26 ;;; Commentary:
27
28 ;; This is a major mode for editing Liszt. See etc/LEDIT for details.
29
30 ;;; Code:
31
32 ;;; To do:
33 ;;; o lisp -> emacs side of things (grind-definition and find-definition)
34
35 (defvar ledit-mode-map nil)
36
37 (defconst ledit-zap-file (concat "/tmp/" (user-login-name) ".l1")
38 "File name for data sent to Lisp by Ledit.")
39 (defconst ledit-read-file (concat "/tmp/" (user-login-name) ".l2")
40 "File name for data sent to Ledit by Lisp.")
41 (defconst ledit-compile-file
42 (concat "/tmp/" (user-login-name) ".l4")
43 "File name for data sent to Lisp compiler by Ledit.")
44 (defconst ledit-buffer "*LEDIT*"
45 "Name of buffer in which Ledit accumulates data to send to Lisp.")
46
47 ;;;###autoload
48 (defconst ledit-save-files t "\
49 *Non-nil means Ledit should save files before transferring to Lisp.")
50 ;;;###autoload
51 (defconst ledit-go-to-lisp-string "%?lisp" "\
52 *Shell commands to execute to resume Lisp job.")
53 ;;;###autoload
54 (defconst ledit-go-to-liszt-string "%?liszt" "\
55 *Shell commands to execute to resume Lisp compiler job.")
56
57 (defun ledit-save-defun ()
58 "Save the current defun in the ledit buffer"
59 (interactive)
60 (save-excursion
61 (end-of-defun)
62 (let ((end (point)))
63 (beginning-of-defun)
64 (append-to-buffer ledit-buffer (point) end))
65 (message "Current defun saved for Lisp")))
66
67 (defun ledit-save-region (beg end)
68 "Save the current region in the ledit buffer"
69 (interactive "r")
70 (append-to-buffer ledit-buffer beg end)
71 (message "Region saved for Lisp"))
72
73 (defun ledit-zap-defun-to-lisp ()
74 "Carry the current defun to Lisp."
75 (interactive)
76 (ledit-save-defun)
77 (ledit-go-to-lisp))
78
79 (defun ledit-zap-defun-to-liszt ()
80 "Carry the current defun to liszt."
81 (interactive)
82 (ledit-save-defun)
83 (ledit-go-to-liszt))
84
85 (defun ledit-zap-region-to-lisp (beg end)
86 "Carry the current region to Lisp."
87 (interactive "r")
88 (ledit-save-region beg end)
89 (ledit-go-to-lisp))
90
91 (defun ledit-go-to-lisp ()
92 "Suspend Emacs and restart a waiting Lisp job."
93 (interactive)
94 (if ledit-save-files
95 (save-some-buffers))
96 (if (get-buffer ledit-buffer)
97 (save-excursion
98 (set-buffer ledit-buffer)
99 (goto-char (point-min))
100 (write-region (point-min) (point-max) ledit-zap-file)
101 (erase-buffer)))
102 (suspend-emacs ledit-go-to-lisp-string)
103 (load ledit-read-file t t))
104
105 (defun ledit-go-to-liszt ()
106 "Suspend Emacs and restart a waiting Liszt job."
107 (interactive)
108 (if ledit-save-files
109 (save-some-buffers))
110 (if (get-buffer ledit-buffer)
111 (save-excursion
112 (set-buffer ledit-buffer)
113 (goto-char (point-min))
114 (insert "(declare (macros t))\n")
115 (write-region (point-min) (point-max) ledit-compile-file)
116 (erase-buffer)))
117 (suspend-emacs ledit-go-to-liszt-string)
118 (load ledit-read-file t t))
119
120 (defun ledit-setup ()
121 "Set up key bindings for the Lisp/Emacs interface."
122 (if (not ledit-mode-map)
123 (progn (setq ledit-mode-map (nconc (make-sparse-keymap)
124 shared-lisp-mode-map))))
125 (define-key ledit-mode-map "\e\^d" 'ledit-save-defun)
126 (define-key ledit-mode-map "\e\^r" 'ledit-save-region)
127 (define-key ledit-mode-map "\^xz" 'ledit-go-to-lisp)
128 (define-key ledit-mode-map "\e\^c" 'ledit-go-to-liszt))
129
130 (ledit-setup)
131
132 ;;;###autoload
133 (defun ledit-mode ()
134 "\\<ledit-mode-map>Major mode for editing text and stuffing it to a Lisp job.
135 Like Lisp mode, plus these special commands:
136 \\[ledit-save-defun] -- record defun at or after point
137 for later transmission to Lisp job.
138 \\[ledit-save-region] -- record region for later transmission to Lisp job.
139 \\[ledit-go-to-lisp] -- transfer to Lisp job and transmit saved text.
140 \\[ledit-go-to-liszt] -- transfer to Liszt (Lisp compiler) job
141 and transmit saved text.
142 \\{ledit-mode-map}
143 To make Lisp mode automatically change to Ledit mode,
144 do (setq lisp-mode-hook 'ledit-from-lisp-mode)"
145 (interactive)
146 (lisp-mode)
147 (ledit-from-lisp-mode))
148
149 ;;;###autoload
150 (defun ledit-from-lisp-mode ()
151 (use-local-map ledit-mode-map)
152 (setq mode-name "Ledit")
153 (setq major-mode 'ledit-mode)
154 (run-hooks 'ledit-mode-hook))
155
156 ;;; ledit.el ends here