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 # 3. All advertising materials mentioning features or use of this software
15 # must display the following acknowledgement:
16 # This product includes software developed by the University of
17 # California, Berkeley and its contributors.
18 # 4. Neither the name of the University nor the names of its contributors
19 # may be used to endorse or promote products derived from this software
20 # without specific prior written permission.
21 #
22 # THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
23 # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24 # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25 # ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
26 # FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27 # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28 # OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29 # HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30 # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31 # OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 # SUCH DAMAGE.
33 #
34 # @(#)systags.sh 8.1 (Berkeley) 6/10/93
35 # $FreeBSD: releng/5.0/sys/conf/systags.sh 50477 1999-08-28 01:08:13Z peter $
36 #
37 # systags.sh - construct a system tags file using dependence relations
38 # in a .depend file
39 #
40 # First written May 16, 1992 by Van Jacobson, Lawrence Berkeley Laboratory.
41
42 rm -f tags tags.tmp tags.cfiles tags.sfiles tags.hfiles
43 MACHINE=`uname -m`
44 sed -e "s, machine/, ../../$MACHINE/include/,g" \
45 -e 's,[a-z][^/ ]*/\.\./,,g' .depend | awk '{
46 for (i = 1; i <= NF; ++i) {
47 t = substr($i, length($i) - 1)
48 if (t == ".c")
49 cfiles[$i] = 1;
50 else if (t == ".h")
51 hfiles[$i] = 1;
52 else if (t == ".s")
53 sfiles[$i] = 1;
54 }
55 };
56 END {
57 for (i in cfiles)
58 print i > "tags.cfiles";
59 for (i in sfiles)
60 print i > "tags.sfiles";
61 for (i in hfiles)
62 print i > "tags.hfiles";
63 }'
64
65 ctags -t -d -w `cat tags.cfiles tags.hfiles tags.sfiles`
66 egrep "^ENTRY\(.*\)|^ALTENTRY\(.*\)" `cat tags.sfiles` | \
67 sed "s;\([^:]*\):\([^(]*\)(\([^, )]*\)\(.*\);\3 \1 /^\2(\3\4$/;" >> tags
68
69 mv tags tags.tmp
70 sort -u tags.tmp > tags
71 rm tags.tmp tags.cfiles tags.sfiles tags.hfiles
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