mkbuiltins revision 1.20 
1#!/bin/sh -
2#	$NetBSD: mkbuiltins,v 1.20 2003/08/22 11:22:23 agc Exp $
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# 3. 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
35
36havehist=1
37if [ "X$1" = "X-h" ]; then
38	havehist=0
39	shift
40fi
41
42shell=$1
43builtins=$2
44objdir=$3
45
46havejobs=0
47if grep '^#define JOBS[	 ]*1' ${shell} > /dev/null
48then
49	havejobs=1
50fi
51
52exec <$builtins 3> ${objdir}/builtins.c 4> ${objdir}/builtins.h
53
54echo '/*
55 * This file was generated by the mkbuiltins program.
56 */
57
58#include "shell.h"
59#include "builtins.h"
60
61const struct builtincmd builtincmd[] = {
62' >&3
63
64echo '/*
65 * This file was generated by the mkbuiltins program.
66 */
67
68#include <sys/cdefs.h>
69
70struct builtincmd {
71      const char *name;
72      int (*builtin)(int, char **);
73};
74
75extern const struct builtincmd builtincmd[];
76extern const struct builtincmd splbltincmd[];
77
78' >&4
79
80specials=
81
82while read line
83do
84	set -- $line
85	[ -z "$1" ] && continue
86	l1="${line###}"
87	[ "$l1" != "$line" ] && continue
88
89	func=$1
90	shift
91	[ x"$1" = x'-j' ] && {
92		[ $havejobs = 0 ] && continue
93		shift
94	}
95	[ x"$1" = x'-h' ] && {
96		[ $havehist = 0 ] && continue
97		shift
98	}
99	echo 'int '"$func"'(int, char **);' >&4
100	while
101		[ $# != 0 -a "$1" != '#' ]
102	do
103		[ "$1" = '-s' ] && {
104			specials="$specials $2 $func"
105			shift 2
106			continue;
107		}
108		[ "$1" = '-u' ] && shift
109		echo '	{ "'$1'",	'"$func"' },' >&3
110		shift
111	done
112done
113
114echo '	{ 0, 0 },' >&3
115echo '};' >&3
116echo >&3
117echo 'const struct builtincmd splbltincmd[] = {' >&3
118
119set -- $specials
120while
121	[ $# != 0 ]
122do
123	echo '	{ "'$1'",	'"$2"' },' >&3
124	shift 2
125done
126
127echo '	{ 0, 0 },' >&3
128echo "};" >&3
129