[apple/shell_cmds.git] / sh / mkbuiltins

#!/bin/sh -

#-
# 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.
# 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
# $FreeBSD: head/bin/sh/mkbuiltins 293118 2016-01-03 21:30:22Z jilles $

temp=`/usr/bin/mktemp -t ka`
havehist=1
if [ "X$1" = "X-h" ]; then
	havehist=0
	shift
fi
srcdir=$1
havejobs=0
if grep '^#define[	 ]*JOBS[	 ]*1' $srcdir/shell.h > /dev/null
then	havejobs=1
fi
exec > builtins.c
cat <<\!
/*
 * This file was generated by the mkbuiltins program.
 */

#include <stdlib.h>
#include "shell.h"
#include "builtins.h"

!
awk '/^[^#]/ {if(('$havejobs' || $2 != "-j") && ('$havehist' || $2 != "-h")) \
    print $0}' $srcdir/builtins.def | sed 's/-[hj]//' > $temp
echo 'int (*const builtinfunc[])(int, char **) = {'
awk '/^[^#]/ {	printf "\t%s,\n", $1}' $temp
echo '};

const unsigned char builtincmd[] = {'
awk '{	for (i = 2 ; i <= NF ; i++) {
		if ($i == "-s") {
			spc = 1;
		} else {
			printf "\t\"\\%03o\\%03o%s\"\n", length($i), (spc ? 128 : 0) + NR-1, $i
			spc = 0;
		}
	}}' $temp
echo '};'

exec > 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 '
#define BUILTIN_SPECIAL 0x80

extern int (*const builtinfunc[])(int, char **);
extern const unsigned char builtincmd[];
'
awk '{	printf "int %s(int, char **);\n", $1}' $temp
rm -f $temp
Commit	Line	Data
71aad674 A	1	#!/bin/sh -
	2
	3	#-
	4	# Copyright (c) 1991, 1993
	5	# The Regents of the University of California. All rights reserved.
	6	#
	7	# This code is derived from software contributed to Berkeley by
	8	# Kenneth Almquist.
	9	#
	10	# Redistribution and use in source and binary forms, with or without
	11	# modification, are permitted provided that the following conditions
	12	# are met:
	13	# 1. Redistributions of source code must retain the above copyright
	14	# notice, this list of conditions and the following disclaimer.
	15	# 2. Redistributions in binary form must reproduce the above copyright
	16	# notice, this list of conditions and the following disclaimer in the
	17	# documentation and/or other materials provided with the distribution.
	18	# 4. Neither the name of the University nor the names of its contributors
	19	# may be used to endorse or promote products derived from this software
	20	# without specific prior written permission.
	21	#
	22	# THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
	23	# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	24	# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	25	# ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
	26	# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
	27	# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
	28	# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	29	# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
	30	# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
	31	# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
	32	# SUCH DAMAGE.
	33	#
	34	# @(#)mkbuiltins 8.2 (Berkeley) 5/4/95
deb63bfb	35	# $FreeBSD: head/bin/sh/mkbuiltins 293118 2016-01-03 21:30:22Z jilles $
71aad674 A	36
	37	temp=`/usr/bin/mktemp -t ka`
	38	havehist=1
	39	if [ "X$1" = "X-h" ]; then
	40	havehist=0
	41	shift
	42	fi
	43	srcdir=$1
	44	havejobs=0
	45	if grep '^#define[ ]JOBS[ ]1' $srcdir/shell.h > /dev/null
	46	then havejobs=1
	47	fi
	48	exec > builtins.c
	49	cat <<\!
	50	/*
	51	* This file was generated by the mkbuiltins program.
	52	*/
	53
	54	#include <stdlib.h>
	55	#include "shell.h"
	56	#include "builtins.h"
	57
	58	!
	59	awk '/^[^#]/ {if(('$havejobs' \|\| $2 != "-j") && ('$havehist' \|\| $2 != "-h")) \
	60	print $0}' $srcdir/builtins.def \| sed 's/-[hj]//' > $temp
	61	echo 'int (const builtinfunc[])(int, char *) = {'
	62	awk '/^[^#]/ { printf "\t%s,\n", $1}' $temp
	63	echo '};
	64
deb63bfb	65	const unsigned char builtincmd[] = {'
71aad674 A	66	awk '{ for (i = 2 ; i <= NF ; i++) {
	67	if ($i == "-s") {
	68	spc = 1;
	69	} else {
deb63bfb	70	printf "\t\"\\%03o\\%03o%s\"\n", length($i), (spc ? 128 : 0) + NR-1, $i
71aad674 A	71	spc = 0;
	72	}
	73	}}' $temp
deb63bfb	74	echo '};'
71aad674 A	75
	76	exec > builtins.h
	77	cat <<\!
	78	/*
	79	* This file was generated by the mkbuiltins program.
	80	*/
	81
	82	#include <sys/cdefs.h>
	83	!
	84	tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ < $temp \|
	85	awk '{ printf "#define %s %d\n", $1, NR-1}'
	86	echo '
deb63bfb	87	#define BUILTIN_SPECIAL 0x80
71aad674 A	88
71aad674 A	89	extern int (const builtinfunc[])(int, char *);
deb63bfb	90	extern const unsigned char builtincmd[];
71aad674 A	91	'
	92	awk '{ printf "int %s(int, char **);\n", $1}' $temp
	93	rm -f $temp