systags.sh revision 50477 
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: head/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
42rm -f tags tags.tmp tags.cfiles tags.sfiles tags.hfiles
43MACHINE=`uname -m`
44sed -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
65ctags -t -d -w `cat tags.cfiles tags.hfiles tags.sfiles`
66egrep "^ENTRY\(.*\)|^ALTENTRY\(.*\)" `cat tags.sfiles` | \
67    sed "s;\([^:]*\):\([^(]*\)(\([^, )]*\)\(.*\);\3	\1	/^\2(\3\4$/;" >> tags
68
69mv tags tags.tmp
70sort -u tags.tmp > tags
71rm tags.tmp tags.cfiles tags.sfiles tags.hfiles
72