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#!/bin/sh -
# $OpenBSD: mkbuiltins,v 1.2 1996/06/23 14:21:22 deraadt Exp $
# $NetBSD: mkbuiltins,v 1.12 1995/05/11 21:29:33 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. 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.
#
# @(#)mkbuiltins 8.2 (Berkeley) 5/4/95
temp=/tmp/ka$$
havejobs=0
if grep '^#define JOBS[ ]*1' shell.h > /dev/null
then havejobs=1
fi
havehist=1
if [ "X$1" = "X-h" ]; then
havehist=0
shift
fi
objdir=$1
exec > ${objdir}/builtins.c
cat <<\!
/*
* This file was generated by the mkbuiltins program.
*/
#include "shell.h"
#include "builtins.h"
!
awk '/^[^#]/ {if(('$havejobs' || $2 != "-j") && ('$havehist' || $2 != "-h")) \
print $0}' builtins.def | sed 's/-j//' > $temp
awk '{ printf "int %s();\n", $1}' $temp
echo '
int (*const builtinfunc[])() = {'
awk '/^[^#]/ { printf "\t%s,\n", $1}' $temp
echo '};
const struct builtincmd builtincmd[] = {'
awk '{ for (i = 2 ; i <= NF ; i++) {
printf "\t{ \"%s\", %d },\n", $i, NR-1
}}' $temp
echo ' { NULL, 0 }
};'
exec > ${objdir}/builtins.h
cat <<\!
/*
* This file was generated by the mkbuiltins program.
*/
#include <sys/cdefs.h>
!
tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ < $temp |
awk '{ printf "#define %s %d\n", $1, NR-1}'
echo '
struct builtincmd {
char *name;
int code;
};
extern int (*const builtinfunc[])();
extern const struct builtincmd builtincmd[];'
rm -f $temp
|
