bin/yacc/yyfix.sh

   1 #!/bin/sh -
   2 #
   3 #       $OpenBSD: yyfix.sh,v 1.3 2009/06/12 13:33:29 sobrado Exp $
   4 # Copyright (c) 1990 The Regents of the University of California.
   5 # All rights reserved.
   6 #
   7 # Redistribution and use in source and binary forms, with or without
   8 # modification, are permitted provided that the following conditions
   9 # are met:
  10 # 1. Redistributions of source code must retain the above copyright
  11 #    notice, this list of conditions and the following disclaimer.
  12 # 2. Redistributions in binary form must reproduce the above copyright
  13 #    notice, this list of conditions and the following disclaimer in the
  14 #    documentation and/or other materials provided with the distribution.
  15 # 3. Neither the name of the University nor the names of its contributors
  16 #    may be used to endorse or promote products derived from this software
  17 #    without specific prior written permission.
  18 #
  19 # THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  20 # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  21 # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  22 # ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  23 # FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  24 # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  25 # OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  26 # HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  27 # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  28 # OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  29 # SUCH DAMAGE.
  30 #
  31 #       from: @(#)yyfix.sh      5.2 (Berkeley) 5/12/90
  32 #
  33 OLDYACC="yyexca yyact yypact yypgo yyr1 yyr2 yychk yydef"
  34 NEWYACC="yylhs yylen yydefred yydgoto yysindex yyrindex yygindex \
  35          yytable yycheck"
  36
  37 if [ $# -eq 0 ]; then
  38         echo "usage: `basename $0` file [tables]" >&2
  39         exit 1
  40 fi
  41
  42 file=$1
  43 >$file
  44 shift
  45
  46 if [ $# -eq 0 ] ; then
  47         if grep yylhs y.tab.c > /dev/null ; then
  48                 if grep yyname y.tab.c > /dev/null ; then
  49                         NEWYACC="$NEWYACC yyname"
  50                 fi
  51                 if grep yyrule y.tab.c > /dev/null ; then
  52                         NEWYACC="$NEWYACC yyrule"
  53                 fi
  54                 set $NEWYACC
  55         else
  56                 set $OLDYACC
  57         fi
  58 fi
  59
  60 for i
  61 do
  62 ed - y.tab.c << END
  63 /^\(.*\)$i[     ]*\[]/s//extern \1 $i[];\\
  64 \1 $i []/
  65 .ka
  66 /}/kb
  67 'br $file
  68 'a,.w $file
  69 'a,.d
  70 w
  71 q
  72 END
  73 done