File: cxref.el

package info (click to toggle)
cxref 1.6c-2
  • links: PTS
  • area: main
  • in suites: squeeze
  • size: 2,608 kB
  • ctags: 2,058
  • sloc: ansic: 18,218; yacc: 2,086; sh: 915; lex: 462; perl: 452; makefile: 418; lisp: 256; cpp: 188; python: 80
file content (197 lines) | stat: -rw-r--r-- 6,091 bytes parent folder | download | duplicates (4)
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
;; $Header: /home/amb/cxref/contrib/RCS/cxref.el 1.5 1996/11/16 15:29:51 amb Exp $
;;
;; C Cross Referencing & Documentation tool. Version 1.3.
;;
;; Some useful Emacs lisp functions for use with cxref.
;; Adds in comments of the appropriate format for cxref.
;;
;; Written by Andrew M. Bishop
;;
;; This file Copyright 1995,96 Andrew M. Bishop
;; It may be distributed under the GNU Public License, version 2, or
;; any higher version.  See section COPYING of the GNU Public license
;; for conditions under which this file may be redistributed.
;;

;;;###autoload
(defun cxref-c-mode-common-hook () "Set up the key bindings for cxref in cc-mode"
  (define-key c-mode-map "\C-c\C-x\C-f"  'cxref-file-comment)     ;; Control-C Control-F
  (define-key c-mode-map "\C-c\C-xf"     'cxref-function-comment) ;; Control-C f
  (define-key c-mode-map "\C-c\C-xv"     'cxref-variable-comment) ;; Control-C v
  (define-key c-mode-map "\C-c\C-xe"     'cxref-endline-comment)  ;; Control-C e
  (define-key c-mode-map "\C-c\C-xi"     'cxref-inline-comment)   ;; Control-C i
)

;;;###autoload
(add-hook 'c-mode-common-hook 'cxref-c-mode-common-hook)

;; Insert a file comment suitable for parsing with cxref

(defun cxref-file-comment () "Inserts a file comment suitable for parsing with cxref" (interactive)
  (let ((cp (make-marker)))

    (goto-char (point-min))

    (insert   "/***************************************") (c-indent-command)
    (insert (concat "\n$" "Header" "$")) (c-indent-command)
    (insert "\n")
    (insert "\n")(c-indent-command)
    (set-marker cp (point))
    (insert "\n***************************************/") (c-indent-command)
    (insert "\n\n\n")
    (while (looking-at "\n") (delete-char 1))

    (if (string-match "\\.h$" (buffer-file-name))
        (let ((st) (defname (file-name-nondirectory (buffer-file-name))))
          (while (setq st (string-match "\\." defname))
            (setq defname (concat (substring defname 0 st) "_" (substring defname (+ 1 st) nil))))
          (setq defname (upcase defname))
          (insert (concat "#ifndef " defname "\n"))
          (insert (concat "#define " defname "    /*+ To stop multiple inclusions. +*/\n"))
          (insert "\n")
          (goto-char (point-max))
          (while (looking-at-backward "\n") (delete-char -1))
          (insert "\n\n")
          (insert (concat "#endif /* " defname " */\n"))
          ))

    (goto-char cp) (c-indent-command)
    ))

;; Insert a function comment suitable for parsing with cxref

(defun cxref-function-comment () "Inserts a function comment suitable for parsing with cxref" (interactive)
  (let ((bp (make-marker)) (cp (make-marker)) (fp (make-marker)) (as) (ae) (a) (depth 0))

    (beginning-of-line)

    (while (looking-at-backward "\n\n") (delete-backward-char 1))

    (insert "\n\n")
    (insert "/*++++++++++++++++++++++++++++++++++++++") (c-indent-command)
    (insert "\n")
    (set-marker bp (point))
    (insert "\n")
    (set-marker cp (point))
    (insert "++++++++++++++++++++++++++++++++++++++*/") (c-indent-command)
    (insert "\n\n")

    (if (looking-at "static") (re-search-forward "[ \t\n]+"))
    (set-marker fp (point))

    (if (not (looking-at "void[\t ]+[a-zA-Z0-9_]"))
        (progn
          (setq as (point))
          (search-forward "(") (backward-char)
          (setq ae (point))
          (setq a (buffer-substring as ae))
          (goto-char cp)
          (insert "\n")
          (insert a) (c-indent-line)
          (insert "\n")
          (set-marker cp (point))
          (goto-char fp)
          )
      )

    (search-forward "(") (set-marker fp (point))

    (catch 'finished-args

      (while t

        (if (looking-at-backward ")")
            (throw 'finished-args t))

        (re-search-forward "[\n\t ]*")
        (set-marker fp (point))
        (setq as (point))

        (while (not (and (= depth 0) (looking-at "[,)]")))
          (if (looking-at "[({]")
              (setq depth (1+ depth)))
          (if (looking-at "[)}]")
              (setq depth (1- depth)))
          (forward-char))

        (set-marker fp (1+ (point)))

        (re-search-backward "[\n\t ]*")
        (setq ae (point))

        (setq a (buffer-substring as ae))

        (if (not (or (string= a "void") (string= a "")))
            (progn
              (goto-char cp)
              (insert "\n")
              (insert a) (c-indent-line)
              (insert "\n")
              (set-marker cp (point))
              ))
        (goto-char fp)
        ))

    (goto-char bp) (c-indent-command)
    ))

;; Insert a variable comment suitable for parsing with cxref

(defun cxref-variable-comment () "Inserts a variable comment suitable for parsing with cxref" (interactive)
  (let ((fp (make-marker)))
    (beginning-of-line)

    (while (looking-at-backward "\n\n") (delete-backward-char 1))

    (insert "\n")
    (insert "/*+ ")
    (set-marker fp (point))
    (insert " +*/")
    (insert "\n")

    (goto-char fp) (c-indent-command)
    ))

;; Inserts an end of line comment that is parsed by cxref

(defun cxref-endline-comment () "Inserts an end of line comment that is parsed by cxref" (interactive)
  (let ((fp (make-marker)))
    (end-of-line)
    (indent-to-column (c-comment-indent))

    (insert "/*+ ")
    (setq fp (point))
    (insert " +*/")

    (goto-char fp)
    ))

;; Insert an inline comment that is not parsed with cxref

(defun cxref-inline-comment () "Inserts an inline comment that is not parsed with cxref" (interactive)
  (let ((fp (make-marker)))
    (beginning-of-line)

    (while (looking-at-backward "\n\n") (delete-backward-char 1))

    (insert "\n")
    (insert "/* ")
    (set-marker fp (point))
    (insert " */")
    (insert "\n\n")

    (goto-char fp) (c-indent-command)
    ))

;;  A Very Useful Function

(defun looking-at-backward (arg)
  (save-excursion
    (let ((cp (point)) (return))
      (if (re-search-backward arg (point-min) t)
          (if (re-search-forward arg cp t)
              (if (= (point) cp)
                  (setq return t)
                )))
      return
      )))