freebsd-src/usr.bin/yacc/yyfix.sh
1999-07-29 09:47:33 +00:00

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#!/bin/sh -
#
# Copyright (c) 1990 The Regents of the University of California.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
# 3. All advertising materials mentioning features or use of this software
# must display the following acknowledgement:
# This product includes software developed by the University of
# California, Berkeley and its contributors.
# 4. Neither the name of the University nor the names of its contributors
# may be used to endorse or promote products derived from this software
# without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
# SUCH DAMAGE.
#
# @(#)yyfix.sh 5.2 (Berkeley) 5/12/90
#
OLDYACC="yyexca yyact yypact yypgo yyr1 yyr2 yychk yydef"
NEWYACC="yylhs yylen yydefred yydgoto yysindex yyrindex yygindex \
yytable yycheck"
if [ $# -eq 0 ]; then
echo "usage: $0 file [tables]" >&2
exit 1
fi
file=$1
>$file
shift
if [ $# -eq 0 ] ; then
if grep yylhs y.tab.c > /dev/null ; then
if grep yyname y.tab.c > /dev/null ; then
NEWYACC="$NEWYACC yyname"
fi
if grep yyrule y.tab.c > /dev/null ; then
NEWYACC="$NEWYACC yyrule"
fi
set $NEWYACC
else
set $OLDYACC
fi
fi
for i
do
ed - y.tab.c << END
/^\(.*\)$i[ ]*\[]/s//extern \1 $i[];\\
\1 $i []/
.ka
/}/kb
'br $file
'a,.w $file
'a,.d
w
q
END
done