mkbuiltins revision 1.5 
1#!/bin/sh -
2#
3# Copyright (c) 1991 The Regents of the University of California.
4# All rights reserved.
5#
6# This code is derived from software contributed to Berkeley by
7# Kenneth Almquist.
8#
9# Redistribution and use in source and binary forms, with or without
10# modification, are permitted provided that the following conditions
11# are met:
12# 1. Redistributions of source code must retain the above copyright
13#    notice, this list of conditions and the following disclaimer.
14# 2. Redistributions in binary form must reproduce the above copyright
15#    notice, this list of conditions and the following disclaimer in the
16#    documentation and/or other materials provided with the distribution.
17# 3. All advertising materials mentioning features or use of this software
18#    must display the following acknowledgement:
19#	This product includes software developed by the University of
20#	California, Berkeley and its contributors.
21# 4. Neither the name of the University nor the names of its contributors
22#    may be used to endorse or promote products derived from this software
23#    without specific prior written permission.
24#
25# THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
26# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
27# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
28# ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
29# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
30# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
31# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
32# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
33# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
34# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
35# SUCH DAMAGE.
36#
37#	@(#)mkbuiltins	5.2 (Berkeley) 3/8/91
38#
39#	$Header: /tank/opengrok/rsync2/NetBSD/src/bin/sh/mkbuiltins,v 1.5 1993/12/28 10:59:20 davidb Exp $
40
41temp=/tmp/ka$$
42havejobs=0
43if grep '^#define JOBS[	 ]*1' shell.h > /dev/null
44then	havejobs=1
45fi
46objdir=$1	# Passed from Makefile
47exec > ${objdir}/builtins.c
48cat <<\!
49/*
50 * This file was generated by the mkbuiltins program.
51 */
52
53#include "shell.h"
54#include "builtins.h"
55
56!
57awk '/^[^#]/ {if('$havejobs' || $2 != "-j") print $0}' builtins |
58	sed 's/-j//' > $temp
59awk '{	printf "int %s();\n", $1}' $temp
60echo '
61int (*const builtinfunc[])() = {'
62awk '/^[^#]/ {	printf "\t%s,\n", $1}' $temp
63echo '};
64
65const struct builtincmd builtincmd[] = {'
66awk '{	for (i = 2 ; i <= NF ; i++) {
67		printf "\t\"%s\", %d,\n",  $i, NR-1
68	}}' $temp
69echo '	NULL, 0
70};'
71
72exec > ${objdir}/builtins.h
73cat <<\!
74/*
75 * This file was generated by the mkbuiltins program.
76 */
77
78#include <sys/cdefs.h>
79!
80tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ < $temp |
81	awk '{	printf "#define %s %d\n", $1, NR-1}'
82echo '
83struct builtincmd {
84      char *name;
85      int code;
86};
87
88extern int (*const builtinfunc[])();
89extern const struct builtincmd builtincmd[];'
90rm -f $temp
91