FreeBSD/Linux Kernel Cross Reference
sys/conf/systags.sh
1 #! /bin/sh
2 #
3 # Copyright (c) 1992, 1993
4 # The Regents of the University of California. All rights reserved.
5 #
6 # Redistribution and use in source and binary forms, with or without
7 # modification, are permitted provided that the following conditions
8 # are met:
9 # 1. Redistributions of source code must retain the above copyright
10 # notice, this list of conditions and the following disclaimer.
11 # 2. Redistributions in binary form must reproduce the above copyright
12 # notice, this list of conditions and the following disclaimer in the
13 # documentation and/or other materials provided with the distribution.
14 # 4. Neither the name of the University nor the names of its contributors
15 # may be used to endorse or promote products derived from this software
16 # without specific prior written permission.
17 #
18 # THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
19 # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20 # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21 # ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
22 # FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23 # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24 # OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25 # HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26 # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27 # OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28 # SUCH DAMAGE.
29 #
30 # @(#)systags.sh 8.1 (Berkeley) 6/10/93
31 # $FreeBSD$
32 #
33 # systags.sh - construct a system tags file using dependence relations
34 # in a .depend file
35 #
36 # First written May 16, 1992 by Van Jacobson, Lawrence Berkeley Laboratory.
37
38 rm -f tags tags.tmp tags.cfiles tags.sfiles tags.hfiles
39 sed -e "s, machine/, ../../include/,g" \
40 -e 's,[a-z][^/ ]*/\.\./,,g' .depend | awk '{
41 for (i = 1; i <= NF; ++i) {
42 t = substr($i, length($i) - 1)
43 if (t == ".c")
44 cfiles[$i] = 1;
45 else if (t == ".h")
46 hfiles[$i] = 1;
47 else if (t == ".s")
48 sfiles[$i] = 1;
49 }
50 };
51 END {
52 for (i in cfiles)
53 print i > "tags.cfiles";
54 for (i in sfiles)
55 print i > "tags.sfiles";
56 for (i in hfiles)
57 print i > "tags.hfiles";
58 }'
59
60 ctags -t -d -w `cat tags.cfiles tags.hfiles tags.sfiles`
61 egrep "^ENTRY\(.*\)|^ALTENTRY\(.*\)" `cat tags.sfiles` | \
62 sed "s;\([^:]*\):\([^(]*\)(\([^, )]*\)\(.*\);\3 \1 /^\2(\3\4$/;" >> tags
63
64 mv tags tags.tmp
65 sort -u tags.tmp > tags
66 rm tags.tmp tags.cfiles tags.sfiles tags.hfiles
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