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