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yyfix.sh (2320B)


      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