xref: /openbsd/usr.bin/yacc/yyfix.sh (revision 78b63d65)
1#!/bin/sh -
2#
3#	$OpenBSD: yyfix.sh,v 1.1 1999/04/18 20:41:46 millert 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. All advertising materials mentioning features or use of this software
16#    must display the following acknowledgement:
17#	This product includes software developed by the University of
18#	California, Berkeley and its contributors.
19# 4. Neither the name of the University nor the names of its contributors
20#    may be used to endorse or promote products derived from this software
21#    without specific prior written permission.
22#
23# THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
24# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26# ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
27# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33# SUCH DAMAGE.
34#
35#	from: @(#)yyfix.sh	5.2 (Berkeley) 5/12/90
36#
37OLDYACC="yyexca yyact yypact yypgo yyr1 yyr2 yychk yydef"
38NEWYACC="yylhs yylen yydefred yydgoto yysindex yyrindex yygindex \
39	 yytable yycheck"
40
41if [ $# -eq 0 ]; then
42	echo "usage: $0 file [tables]" >&2
43	exit 1
44fi
45
46file=$1
47>$file
48shift
49
50if [ $# -eq 0 ] ; then
51	if grep yylhs y.tab.c > /dev/null ; then
52		if grep yyname y.tab.c > /dev/null ; then
53			NEWYACC="$NEWYACC yyname"
54		fi
55		if grep yyrule y.tab.c > /dev/null ; then
56			NEWYACC="$NEWYACC yyrule"
57		fi
58		set $NEWYACC
59	else
60		set $OLDYACC
61	fi
62fi
63
64for i
65do
66ed - y.tab.c << END
67/^\(.*\)$i[ 	]*\[]/s//extern \1 $i[];\\
68\1 $i []/
69.ka
70/}/kb
71'br $file
72'a,.w $file
73'a,.d
74w
75q
76END
77done
78