sys/conf/systags.sh

   1 #! /bin/sh
   2 #
   3 # SPDX-License-Identifier: BSD-3-Clause
   4 #
   5 # Copyright (c) 1992, 1993
   6 #       The Regents of the University of California.  All rights reserved.
   7 #
   8 # Redistribution and use in source and binary forms, with or without
   9 # modification, are permitted provided that the following conditions
  10 # are met:
  11 # 1. Redistributions of source code must retain the above copyright
  12 #    notice, this list of conditions and the following disclaimer.
  13 # 2. Redistributions in binary form must reproduce the above copyright
  14 #    notice, this list of conditions and the following disclaimer in the
  15 #    documentation and/or other materials provided with the distribution.
  16 # 3. Neither the name of the University nor the names of its contributors
  17 #    may be used to endorse or promote products derived from this software
  18 #    without specific prior written permission.
  19 #
  20 # THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  21 # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  22 # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  23 # ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  24 # FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  25 # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  26 # OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  27 # HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  28 # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  29 # OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  30 # SUCH DAMAGE.
  31 #
  32 #       @(#)systags.sh  8.1 (Berkeley) 6/10/93
  33 # $FreeBSD: head/sys/conf/systags.sh 326023 2017-11-20 19:43:44Z pfg $
  34 #
  35 # systags.sh - construct a system tags file using dependence relations
  36 #       in a .depend file
  37 #
  38 # First written May 16, 1992 by Van Jacobson, Lawrence Berkeley Laboratory.
  39
  40 rm -f tags tags.tmp tags.cfiles tags.sfiles tags.hfiles
  41 MACHINE=`uname -m | sed "s,x86_,pc,g"`
  42 sed -e "s, machine/, ../../platform/$MACHINE/include/,g" \
  43         -e 's,[a-z][^/    ]*/\.\./,,g' .depend | awk '{
  44                 for (i = 1; i <= NF; ++i) {
  45                         t = substr($i, length($i) - 1)
  46                         if (t == ".c")
  47                                 cfiles[$i] = 1;
  48                         else if (t == ".h")
  49                                 hfiles[$i] = 1;
  50                         else if (t == ".s")
  51                                 sfiles[$i] = 1;
  52                 }
  53         };
  54         END {
  55                 for (i in cfiles)
  56                         print i > "tags.cfiles";
  57                 for (i in sfiles)
  58                         print i > "tags.sfiles";
  59                 for (i in hfiles)
  60                         print i > "tags.hfiles";
  61         }'
  62
  63 ctags -t -d -w `cat tags.cfiles tags.hfiles tags.sfiles`
  64 egrep "^ENTRY\(.*\)|^ALTENTRY\(.*\)" `cat tags.sfiles` | \
  65     sed "s;\([^:]*\):\([^(]*\)(\([^, )]*\)\(.*\);\3     \1      /^\2(\3\4$/;" >> tags
  66
  67 mv tags tags.tmp
  68 sort -u tags.tmp > tags
  69 rm tags.tmp tags.cfiles tags.sfiles tags.hfiles