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. 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: src/sys/conf/systags.sh,v 1.7 1999/08/28 00:41:02 peter Exp $
  32 # $DragonFly: src/sys/conf/systags.sh,v 1.3 2006/10/22 16:09:19 dillon Exp $
  33 #
  34 # systags.sh - construct a system tags file using dependence relations
  35 #       in a .depend file
  36 #
  37 # First written May 16, 1992 by Van Jacobson, Lawrence Berkeley Laboratory.
  38
  39 rm -f tags tags.tmp tags.cfiles tags.sfiles tags.hfiles
  40 MACHINE=`uname -m`
  41 sed -e "s, machine/, ../../arch/$MACHINE/include/,g" \
  42         -e 's,[a-z][^/    ]*/\.\./,,g' .depend | awk '{
  43                 for (i = 1; i <= NF; ++i) {
  44                         t = substr($i, length($i) - 1)
  45                         if (t == ".c")
  46                                 cfiles[$i] = 1;
  47                         else if (t == ".h")
  48                                 hfiles[$i] = 1;
  49                         else if (t == ".s")
  50                                 sfiles[$i] = 1;
  51                 }
  52         };
  53         END {
  54                 for (i in cfiles)
  55                         print i > "tags.cfiles";
  56                 for (i in sfiles)
  57                         print i > "tags.sfiles";
  58                 for (i in hfiles)
  59                         print i > "tags.hfiles";
  60         }'
  61
  62 ctags -t -d -w `cat tags.cfiles tags.hfiles tags.sfiles`
  63 egrep "^ENTRY\(.*\)|^ALTENTRY\(.*\)" `cat tags.sfiles` | \
  64     sed "s;\([^:]*\):\([^(]*\)(\([^, )]*\)\(.*\);\3     \1      /^\2(\3\4$/;" >> tags
  65
  66 mv tags tags.tmp
  67 sort -u tags.tmp > tags
  68 rm tags.tmp tags.cfiles tags.sfiles tags.hfiles