The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/conf/systags.sh

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    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: stable/11/sys/conf/systags.sh 153067 2005-12-03 21:37:54Z ru $
   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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