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|
#!/bin/sh -
# $NetBSD: mkbuiltins,v 1.21 2004/06/06 07:03:11 christos Exp $
#
# Copyright (c) 1991, 1993
# The Regents of the University of California. All rights reserved.
#
# This code is derived from software contributed to Berkeley by
# Kenneth Almquist.
#
# 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. 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.
#
# @(#)mkbuiltins 8.2 (Berkeley) 5/4/95
havehist=1
if [ "X$1" = "X-h" ]; then
havehist=0
shift
fi
shell=$1
builtins=$2
objdir=$3
havejobs=0
if grep '^#define JOBS[ ]*1' ${shell} > /dev/null
then
havejobs=1
fi
exec <$builtins 3> ${objdir}/builtins.c 4> ${objdir}/builtins.h
echo '/*
* This file was generated by the mkbuiltins program.
*/
#include "shell.h"
#include "builtins.h"
const struct builtincmd builtincmd[] = {
' >&3
echo '/*
* This file was generated by the mkbuiltins program.
*/
#include <sys/cdefs.h>
struct builtincmd {
const char *name;
int (*builtin)(int, char **);
};
extern const struct builtincmd builtincmd[];
extern const struct builtincmd splbltincmd[];
' >&4
specials=
while read line
do
set -- $line
[ -z "$1" ] && continue
case "$1" in
\#if*|\#def*|\#end*)
echo $line >&3
echo $line >&4
continue
;;
esac
l1="${line###}"
[ "$l1" != "$line" ] && continue
func=$1
shift
[ x"$1" = x'-j' ] && {
[ $havejobs = 0 ] && continue
shift
}
[ x"$1" = x'-h' ] && {
[ $havehist = 0 ] && continue
shift
}
echo 'int '"$func"'(int, char **);' >&4
while
[ $# != 0 -a "$1" != '#' ]
do
[ "$1" = '-s' ] && {
specials="$specials $2 $func"
shift 2
continue;
}
[ "$1" = '-u' ] && shift
echo ' { "'$1'", '"$func"' },' >&3
shift
done
done
echo ' { 0, 0 },' >&3
echo '};' >&3
echo >&3
echo 'const struct builtincmd splbltincmd[] = {' >&3
set -- $specials
while
[ $# != 0 ]
do
echo ' { "'$1'", '"$2"' },' >&3
shift 2
done
echo ' { 0, 0 },' >&3
echo "};" >&3
|
