-
Notifications
You must be signed in to change notification settings - Fork 0
/
matlab-compat.el
266 lines (233 loc) · 10.1 KB
/
matlab-compat.el
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
;;; matlab-compat.el --- Compatibility Code
;;
;; Copyright (C) 2019 Eric Ludlam
;;
;; Author: Eric Ludlam <eludlam@osboxes>
;;
;; This program is free software; you can redistribute it and/or
;; modify it under the terms of the GNU General Public License as
;; published by the Free Software Foundation, either version 3 of the
;; License, or (at your option) any later version.
;; This program is distributed in the hope that it will be useful, but
;; WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
;; General Public License for more details.
;; You should have received a copy of the GNU General Public License
;; along with this program. If not, see https://www.gnu.org/licenses/.
;;; Commentary:
;;
;; To support a wide range of different Emacs versions, these compat
;; functions will hide away the shims needed to work cross platform.
;;; Code:
(eval-and-compile
(if (string-match "X[Ee]macs" emacs-version)
(progn
(defalias 'matlab-make-overlay 'make-extent)
(defalias 'matlab-overlay-put 'set-extent-property)
(defalias 'matlab-overlay-get 'extent-property)
(defalias 'matlab-delete-overlay 'delete-extent)
(defalias 'matlab-overlay-start 'extent-start-position)
(defalias 'matlab-overlay-end 'extent-end-position)
(defalias 'matlab-previous-overlay-change 'previous-extent-change)
(defalias 'matlab-next-overlay-change 'next-extent-change)
(defalias 'matlab-overlays-at
(lambda (pos) (when (fboundp 'extent-list) (extent-list nil pos pos))))
(defalias 'matlab-cancel-timer 'delete-itimer)
(defun matlab-run-with-idle-timer (secs repeat function &rest args)
(condition-case nil
(apply 'start-itimer
"matlab" function secs
(if repeat secs nil) t
t (car args)))
(error
;; If the above doesn't work, then try this old version of
;; start itimer.
(when (fboundp 'start-itimer)
(start-itimer "matlab" function secs (if repeat secs nil)))))
)
;; Else GNU Emacs
(defalias 'matlab-make-overlay 'make-overlay)
(defalias 'matlab-overlay-put 'overlay-put)
(defalias 'matlab-overlay-get 'overlay-get)
(defalias 'matlab-delete-overlay 'delete-overlay)
(defalias 'matlab-overlay-start 'overlay-start)
(defalias 'matlab-overlay-end 'overlay-end)
(defalias 'matlab-previous-overlay-change 'previous-overlay-change)
(defalias 'matlab-next-overlay-change 'next-overlay-change)
(defalias 'matlab-overlays-at 'overlays-at)
(defalias 'matlab-cancel-timer 'cancel-timer)
(defalias 'matlab-run-with-idle-timer 'run-with-idle-timer)
))
;;; Helper aliases to suppress compiler warnings ===============================
(eval-and-compile
;; `set-face-underline-p' is an obsolete function (as of 24.3); use `set-face-underline' instead.
(cond ((fboundp 'set-face-underlined)
(defalias 'matlab-set-face-underline 'set-face-underlined))
(t
(defalias 'matlab-set-face-underline 'set-face-underline-p)))
;; `set-face-bold-p' is an obsolete function (as of 24.4); use `set-face-bold' instead.
(cond ((fboundp 'set-face-bold)
(defalias 'matlab-set-face-bold 'set-face-bold))
(t
(defalias 'matlab-set-face-bold 'set-face-bold-p)))
;; `default-fill-column' is an obsolete variable (as of 23.2); use `fill-column' instead.
(cond ((boundp 'fill-column)
(defvaralias 'matlab-fill-column 'fill-column))
(t
(defvaralias 'matlab-fill-column 'default-fill-column)))
;; `interactive-p' is an obsolete function (as of 23.2); use `called-interactively-p' instead.
(defun matlab-called-interactively-p-helper ()
(called-interactively-p 'interactive))
(cond ((fboundp 'called-interactively-p)
(defalias 'matlab-called-interactively-p 'matlab-called-interactively-p-helper))
(t
(defalias 'matlab-called-interactively-p 'interactive-p)))
;; `toggle-read-only' is an obsolete function (as of 24.3); use `read-only-mode' instead.
;; (matlab-read-only-mode -1) ==> make writable
;; (matlab-read-only-mode 1) ==> make read-only
(cond ((fboundp 'read-only-mode)
(defalias 'matlab-read-only-mode 'read-only-mode))
(t
(defalias 'matlab-read-only-mode 'toggle-read-only)))
(cond ((fboundp 'point-at-bol)
(defalias 'matlab-point-at-bol 'point-at-bol)
(defalias 'matlab-point-at-eol 'point-at-eol))
;; Emacs 20.4
((fboundp 'line-beginning-position)
(defalias 'matlab-point-at-bol 'line-beginning-position)
(defalias 'matlab-point-at-eol 'line-end-position))
(t
(defmacro matlab-point-at-bol ()
(save-excursion (beginning-of-line) (point)))
(defmacro matlab-point-at-eol ()
(save-excursion (end-of-line) (point)))))
)
;; Keymaps
(if (fboundp 'set-keymap-parent)
(defalias 'matlab-set-keymap-parent 'set-keymap-parent)
;; 19.31 doesn't have set-keymap-parent
(eval-when-compile
(require 'comint))
(defun matlab-set-keymap-parent (keymap parent)
"Set KEYMAP's parent to be PARENT."
(nconc keymap comint-mode-map)))
;; String trim
(if (locate-library "subr-x")
(progn
(require 'subr-x)
(defalias 'matlab-string-trim 'string-trim)
)
(defsubst matlab-string-trim (string &optional regexp)
"Trim STRING of leading string matching REGEXP.
REGEXP defaults to \"[ \\t\\n\\r]+\"."
(let ((out string)
(regexp_ (or regexp "[ \t\n\r]+")))
(when (string-match (concat "\\`\\(?:" regexp_ "\\)") out)
(setq out (substring out (match-end 0))))
(when (string-match (concat "\\(?:" regexp_ "\\)\\'") out)
(setq out (substring out 0 (match-beginning 0))))
out))
)
;; OBARRAYS
(if (fboundp 'obarray-make)
(defalias 'matlab-obarray-make 'obarray-make)
(defun matlab-obarray-make (sz) (make-vector sz 0)))
;; Finding executables
(defun matlab-find-executable-directory (program)
"Find the executable PROGRAM on the exec path, following any links.
Return the base directory it is in."
(let ((dir nil))
(dolist (P exec-path)
(let ((nm (expand-file-name program P)))
(when (and (file-exists-p nm) (file-executable-p nm))
(let* ((fa (file-attributes nm))
(lnk (car fa)))
;; The car is t for a directory, a string for a link, nil otherwise
(if (stringp lnk)
;; We have a link - use that as our directory.
(setq dir (file-name-directory lnk))
;; No link - just use this path.
(setq dir P)))
)))
dir))
;; Completion Tools
(defun matlab-display-completion-list (completions common-substring)
"Method for displaying COMPLETIONS with a COMMON-SUBSTRING."
;; In emacs 24.4 the common-substring is no longer needed.
(let ((args (if (or (< emacs-major-version 24)
(and (= emacs-major-version 24) (< emacs-minor-version 4)))
(list completions common-substring)
(list completions))))
(apply 'display-completion-list args)))
;; Font lock
(require 'font-lock)
(unless (fboundp 'font-lock-ensure)
(defalias 'font-lock-ensure 'font-lock-fontify-buffer))
;; CEDET compat if CEDET isn't around
(condition-case nil
(progn
(require 'pulse)
)
(error
(defun pulse-momentary-highlight-region (start end &optional face)
"Compat impl of pulse command." nil)))
;; EIEIO compatibility
(condition-case nil
(progn
(require 'eieio)
(unless (fboundp 'cl-defgeneric)
;; We are in an antique Emacs that uses the old eieio.
(defalias 'cl-defmethod 'defmethod)
)
(unless (fboundp 'cl-call-next-method)
;; We are in an antique Emacs that uses the old eieio.
(defalias 'cl-call-next-method 'call-next-method)
)
)
(error (message "EIEIO not available. Only MATLAB editing enabled.")))
;;; Finding EmacsClient
(defun matlab-find-emacsclient ()
"Locate the emacsclient correspoinding to the current emacs
binary defined by `invocation-name' in `invocation-directory'"
(let ((ec "emacsclient"))
(cond
;; Mac
((equal system-type 'darwin)
(if (file-exists-p (concat invocation-directory "emacsclient")) ;; running the default emacs?
(setq ec (concat invocation-directory "emacsclient"))
;; On Mac, one can install into
;; /Applications/Emacs.app/Contents/MacOS/Emacs
;; /Applications/Emacs.app/Contents/MacOS/bin/emacsclient
(if (file-exists-p (concat invocation-directory "bin/emacsclient"))
(setq ec (concat invocation-directory "bin/emacsclient")))))
;; Windows
((equal system-type 'windows-nt)
(if (file-exists-p (concat invocation-directory "emacsclientw.exe"))
(setq ec (concat invocation-directory "emacsclientw.exe"))
(error "unable to locate emacsclientw.exe. It should be in %s" invocation-directory)))
;; Linux or other UNIX system
(t
;; Debian 9 can be setup to have:
;; /usr/bin/emacs
;; /usr/bin/emacsclient
;; /usr/bin/emacs24
;; /usr/bin/emacsclient.emacs24
;; /usr/bin/emacs25
;; /usr/bin/emacsclient.emacs25
(if (and (equal invocation-name "emacs")
(file-exists-p (concat invocation-directory "emacsclient")))
(setq ec (concat invocation-directory "emacsclient"))
(if (file-exists-p (concat invocation-directory "emacsclient." invocation-name))
(setq ec (concat invocation-directory "emacsclient." invocation-name))))))
;; Return, ec, the emacsclient to use
ec
))
(when (not (fboundp 'string-replace)) ;; string-replace appeared in Emacs 28
(defun string-replace (fromstring tostring instring)
(let ((case-fold-search nil))
(replace-regexp-in-string (regexp-quote fromstring) tostring instring t t))))
(provide 'matlab-compat)
;;; matlab-compat.el ends here
;; LocalWords: el Ludlam eludlam osboxes Ee progn defalias fboundp itimer
;; LocalWords: defun boundp defvaralias bol eol defmacro Keymaps keymap comint
;; LocalWords: KEYMAP's nconc dolist nm lnk setq