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6594deb0 ER |
1 | ;;; ledit.el --- Emacs side of ledit interface |
2 | ||
3a801d0c ER |
3 | ;; Copyright (C) 1985 Free Software Foundation, Inc. |
4 | ||
e5167999 | 5 | ;; Maintainer: FSF |
55535639 | 6 | ;; Keywords: languages |
e5167999 | 7 | |
a2535589 JA |
8 | ;; This file is part of GNU Emacs. |
9 | ||
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 | |
e5167999 | 12 | ;; the Free Software Foundation; either version 2, or (at your option) |
a2535589 JA |
13 | ;; any later version. |
14 | ||
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. | |
19 | ||
20 | ;; You should have received a copy of the GNU General Public License | |
b578f267 EN |
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. | |
a2535589 | 24 | |
e41b2db1 ER |
25 | ;;; Commentary: |
26 | ||
27 | ;; This is a major mode for editing Liszt. See etc/LEDIT for details. | |
28 | ||
e5167999 | 29 | ;;; Code: |
a2535589 JA |
30 | |
31 | ;;; To do: | |
32 | ;;; o lisp -> emacs side of things (grind-definition and find-definition) | |
33 | ||
34 | (defvar ledit-mode-map nil) | |
35 | ||
dee83199 RS |
36 | (defconst ledit-zap-file |
37 | (expand-file-name (concat (user-login-name) ".l1") temporary-file-directory) | |
a2535589 | 38 | "File name for data sent to Lisp by Ledit.") |
dee83199 RS |
39 | (defconst ledit-read-file |
40 | (expand-file-name (concat (user-login-name) ".l2") temporary-file-directory) | |
a2535589 | 41 | "File name for data sent to Ledit by Lisp.") |
690ec649 | 42 | (defconst ledit-compile-file |
dee83199 | 43 | (expand-file-name (concat (user-login-name) ".l4") temporary-file-directory) |
a2535589 JA |
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.") | |
7229064d | 47 | |
6503cec3 JB |
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.") | |
a2535589 JA |
57 | |
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"))) | |
67 | ||
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")) | |
73 | ||
74 | (defun ledit-zap-defun-to-lisp () | |
f30ff39f | 75 | "Carry the current defun to Lisp." |
a2535589 JA |
76 | (interactive) |
77 | (ledit-save-defun) | |
78 | (ledit-go-to-lisp)) | |
79 | ||
80 | (defun ledit-zap-defun-to-liszt () | |
f30ff39f | 81 | "Carry the current defun to liszt." |
a2535589 JA |
82 | (interactive) |
83 | (ledit-save-defun) | |
84 | (ledit-go-to-liszt)) | |
85 | ||
86 | (defun ledit-zap-region-to-lisp (beg end) | |
f30ff39f | 87 | "Carry the current region to Lisp." |
a2535589 JA |
88 | (interactive "r") |
89 | (ledit-save-region beg end) | |
90 | (ledit-go-to-lisp)) | |
91 | ||
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)) | |
105 | ||
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)) | |
120 | ||
121 | (defun ledit-setup () | |
f30ff39f | 122 | "Set up key bindings for the Lisp/Emacs interface." |
690ec649 SS |
123 | (unless ledit-mode-map |
124 | (setq ledit-mode-map (make-sparse-keymap)) | |
125 | (set-keymap-parent ledit-mode-map lisp-mode-shared-map)) | |
a2535589 JA |
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)) | |
130 | ||
131 | (ledit-setup) | |
132 | ||
7229064d | 133 | ;;;###autoload |
a2535589 | 134 | (defun ledit-mode () |
f30ff39f | 135 | "\\<ledit-mode-map>Major mode for editing text and stuffing it to a Lisp job. |
a2535589 | 136 | Like Lisp mode, plus these special commands: |
f30ff39f | 137 | \\[ledit-save-defun] -- record defun at or after point |
a2535589 | 138 | for later transmission to Lisp job. |
f30ff39f BP |
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 | |
a2535589 JA |
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)) | |
149 | ||
7229064d | 150 | ;;;###autoload |
a2535589 JA |
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)) | |
6594deb0 | 156 | |
896546cd RS |
157 | (provide 'ledit) |
158 | ||
ab5796a9 | 159 | ;;; arch-tag: f0f1ca13-8d31-478c-ae1b-b448c55a8faf |
6594deb0 | 160 | ;;; ledit.el ends here |