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6594deb0 ER |
1 | ;;; ledit.el --- Emacs side of ledit interface |
2 | ||
e5167999 ER |
3 | ;; Maintainer: FSF |
4 | ;; Last-Modified: 13 May 1991 | |
fd7fa35a | 5 | ;; Keyord: languages |
e5167999 | 6 | |
a2535589 JA |
7 | ;; Copyright (C) 1985 Free Software Foundation, Inc. |
8 | ||
9 | ;; This file is part of GNU Emacs. | |
10 | ||
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 | |
e5167999 | 13 | ;; the Free Software Foundation; either version 2, or (at your option) |
a2535589 JA |
14 | ;; any later version. |
15 | ||
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. | |
20 | ||
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 | |
23 | ;; the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. | |
24 | ||
e5167999 | 25 | ;;; Code: |
a2535589 JA |
26 | |
27 | ;;; To do: | |
28 | ;;; o lisp -> emacs side of things (grind-definition and find-definition) | |
29 | ||
30 | (defvar ledit-mode-map nil) | |
31 | ||
32 | (defconst ledit-zap-file (concat "/tmp/" (user-login-name) ".l1") | |
33 | "File name for data sent to Lisp by Ledit.") | |
34 | (defconst ledit-read-file (concat "/tmp/" (user-login-name) ".l2") | |
35 | "File name for data sent to Ledit by Lisp.") | |
36 | (defconst ledit-compile-file | |
37 | (concat "/tmp/" (user-login-name) ".l4") | |
38 | "File name for data sent to Lisp compiler by Ledit.") | |
39 | (defconst ledit-buffer "*LEDIT*" | |
40 | "Name of buffer in which Ledit accumulates data to send to Lisp.") | |
7229064d | 41 | |
6503cec3 JB |
42 | ;;;###autoload |
43 | (defconst ledit-save-files t "\ | |
44 | *Non-nil means Ledit should save files before transferring to Lisp.") | |
45 | ;;;###autoload | |
46 | (defconst ledit-go-to-lisp-string "%?lisp" "\ | |
47 | *Shell commands to execute to resume Lisp job.") | |
48 | ;;;###autoload | |
49 | (defconst ledit-go-to-liszt-string "%?liszt" "\ | |
50 | *Shell commands to execute to resume Lisp compiler job.") | |
a2535589 JA |
51 | |
52 | (defun ledit-save-defun () | |
53 | "Save the current defun in the ledit buffer" | |
54 | (interactive) | |
55 | (save-excursion | |
56 | (end-of-defun) | |
57 | (let ((end (point))) | |
58 | (beginning-of-defun) | |
59 | (append-to-buffer ledit-buffer (point) end)) | |
60 | (message "Current defun saved for Lisp"))) | |
61 | ||
62 | (defun ledit-save-region (beg end) | |
63 | "Save the current region in the ledit buffer" | |
64 | (interactive "r") | |
65 | (append-to-buffer ledit-buffer beg end) | |
66 | (message "Region saved for Lisp")) | |
67 | ||
68 | (defun ledit-zap-defun-to-lisp () | |
f30ff39f | 69 | "Carry the current defun to Lisp." |
a2535589 JA |
70 | (interactive) |
71 | (ledit-save-defun) | |
72 | (ledit-go-to-lisp)) | |
73 | ||
74 | (defun ledit-zap-defun-to-liszt () | |
f30ff39f | 75 | "Carry the current defun to liszt." |
a2535589 JA |
76 | (interactive) |
77 | (ledit-save-defun) | |
78 | (ledit-go-to-liszt)) | |
79 | ||
80 | (defun ledit-zap-region-to-lisp (beg end) | |
f30ff39f | 81 | "Carry the current region to Lisp." |
a2535589 JA |
82 | (interactive "r") |
83 | (ledit-save-region beg end) | |
84 | (ledit-go-to-lisp)) | |
85 | ||
86 | (defun ledit-go-to-lisp () | |
87 | "Suspend Emacs and restart a waiting Lisp job." | |
88 | (interactive) | |
89 | (if ledit-save-files | |
90 | (save-some-buffers)) | |
91 | (if (get-buffer ledit-buffer) | |
92 | (save-excursion | |
93 | (set-buffer ledit-buffer) | |
94 | (goto-char (point-min)) | |
95 | (write-region (point-min) (point-max) ledit-zap-file) | |
96 | (erase-buffer))) | |
97 | (suspend-emacs ledit-go-to-lisp-string) | |
98 | (load ledit-read-file t t)) | |
99 | ||
100 | (defun ledit-go-to-liszt () | |
101 | "Suspend Emacs and restart a waiting Liszt job." | |
102 | (interactive) | |
103 | (if ledit-save-files | |
104 | (save-some-buffers)) | |
105 | (if (get-buffer ledit-buffer) | |
106 | (save-excursion | |
107 | (set-buffer ledit-buffer) | |
108 | (goto-char (point-min)) | |
109 | (insert "(declare (macros t))\n") | |
110 | (write-region (point-min) (point-max) ledit-compile-file) | |
111 | (erase-buffer))) | |
112 | (suspend-emacs ledit-go-to-liszt-string) | |
113 | (load ledit-read-file t t)) | |
114 | ||
115 | (defun ledit-setup () | |
f30ff39f | 116 | "Set up key bindings for the Lisp/Emacs interface." |
a2535589 JA |
117 | (if (not ledit-mode-map) |
118 | (progn (setq ledit-mode-map (make-sparse-keymap)) | |
119 | (lisp-mode-commands ledit-mode-map))) | |
120 | (define-key ledit-mode-map "\e\^d" 'ledit-save-defun) | |
121 | (define-key ledit-mode-map "\e\^r" 'ledit-save-region) | |
122 | (define-key ledit-mode-map "\^xz" 'ledit-go-to-lisp) | |
123 | (define-key ledit-mode-map "\e\^c" 'ledit-go-to-liszt)) | |
124 | ||
125 | (ledit-setup) | |
126 | ||
7229064d | 127 | ;;;###autoload |
a2535589 | 128 | (defun ledit-mode () |
f30ff39f | 129 | "\\<ledit-mode-map>Major mode for editing text and stuffing it to a Lisp job. |
a2535589 | 130 | Like Lisp mode, plus these special commands: |
f30ff39f | 131 | \\[ledit-save-defun] -- record defun at or after point |
a2535589 | 132 | for later transmission to Lisp job. |
f30ff39f BP |
133 | \\[ledit-save-region] -- record region for later transmission to Lisp job. |
134 | \\[ledit-go-to-lisp] -- transfer to Lisp job and transmit saved text. | |
135 | \\[ledit-go-to-liszt] -- transfer to Liszt (Lisp compiler) job | |
a2535589 JA |
136 | and transmit saved text. |
137 | \\{ledit-mode-map} | |
138 | To make Lisp mode automatically change to Ledit mode, | |
139 | do (setq lisp-mode-hook 'ledit-from-lisp-mode)" | |
140 | (interactive) | |
141 | (lisp-mode) | |
142 | (ledit-from-lisp-mode)) | |
143 | ||
7229064d | 144 | ;;;###autoload |
a2535589 JA |
145 | (defun ledit-from-lisp-mode () |
146 | (use-local-map ledit-mode-map) | |
147 | (setq mode-name "Ledit") | |
148 | (setq major-mode 'ledit-mode) | |
149 | (run-hooks 'ledit-mode-hook)) | |
6594deb0 ER |
150 | |
151 | ;;; ledit.el ends here |