blob: 24f347273ca9fe7b3f384ca6ef1e6ae557ec88c7 (
plain)
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
|
;;; c-conf.el --- configurations for C-mode -*- lexical-binding: t; -*-
;; Copyright (C) 2021 李俊緯
;; Author: Durand <mmemmew@gmail.com>
;; Keywords: c, convenience, languages
;; 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:
;; My configurations for editing C files.
;;; Code:
(setq c-macro-preprocessor "gcc -E -C -o - -")
;; We can achieve the functionality of the original binding
;; comment-region by comment-dwim bound to "M-;".
(define-key c-mode-map (vector 3 3) #'compile)
;; This proves to be too convenient not to bind.
(define-key c-mode-map (vector 'S-tab) #'ff-find-other-file)
;;; prefix map
(defvar durand-c-prefix-map (make-sparse-keymap)
"The keymap of my custom functions.
This will be bound to the key ù.")
(let ((map durand-c-prefix-map))
(define-key map (vector ?i) #'durand-c-include)
(define-key map (vector ?p) #'c-generate-pragma)
(define-key map (vector ?t) #'c-generate-test))
;; generate pragmas automatically.
(define-key c-mode-map (vector ?ù) durand-c-prefix-map)
(defun c-generate-pragma ()
"Generate default pragmas for a C header file.
If invoked on a C file, include the corresponding header file."
(interactive)
(cond
((not (derived-mode-p 'c-mode 'c++-mode)))
((string-match-p "hp*$"(buffer-name))
(insert "#ifndef ")
(insert (replace-regexp-in-string
"\\." "_"
(upcase
(file-name-nondirectory
(buffer-file-name)))))
(newline)
(insert "#define ")
(insert (replace-regexp-in-string
"\\." "_"
(upcase
(file-name-nondirectory
(buffer-file-name)))))
(newline 2)
(insert "#endif")
(forward-line -1))
(t
(insert (format "#include \"%s\""
(replace-regexp-in-string
"c\\(p*\\)$" "h\\1" (buffer-name))))
(newline))))
(defun durand-c-include (&optional arg)
"Include a library.
If ARG is non-nil, ask for the type of the include: whether the
angle bracket type or the quote type."
(interactive)
(let* ((library (read-string "Include: "))
(type (cond
((null arg)
(cond
((string-match-p "^\\(std\\|string.h\\)" library)
'angle)
('quote)))
(t
(intern
(completing-read "Which type? "
'("angle" "quote")
nil t))))))
(save-restriction
(widen)
(save-excursion
(goto-char (point-min))
(re-search-forward "^#include" nil t)
(forward-line 0)
(insert "#include "
(cond ((eq type 'angle) "<")
((eq type 'quote) "\""))
library
(cond ((eq type 'angle) ">")
((eq type 'quote) "\""))
"\n")))))
(defun c-generate-test ()
"Generate or find a test file for the current C file."
(interactive)
(cond
((derived-mode-p 'c-mode))
((user-error "Not in C-mode")))
(let* ((f-name (buffer-file-name))
(base (file-name-base f-name))
(t-name
(cond
((null f-name)
(user-error "Buffer not associated to a file"))
((expand-file-name
(expand-file-name
(format "check_%s.c" base) "test")
(file-name-directory f-name))))))
(cond
((file-exists-p t-name))
((write-region
(format "#include \"../%s.h\"\n\n%s"
base
"int main(int argc, char **argv)\n{\n return 0;\n}\n")
nil t-name)))
(find-file t-name)))
(provide 'c-conf)
;;; c-conf.el ends here
|
