mkbuiltins revision 1.7 
1#!/bin/sh -
2#
3# Copyright (c) 1991, 1993
4#	The Regents of the University of California.  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	8.1 (Berkeley) 5/31/93
38
39temp=/tmp/ka$$
40havejobs=0
41if grep '^#define JOBS[	 ]*1' shell.h > /dev/null
42then	havejobs=1
43fi
44havehist=1
45if [ "$1" = "-h" ]; then
46	havehist=0
47	shift
48fi
49objdir=$1
50exec > ${objdir}/builtins.c
51cat <<\!
52/*
53 * This file was generated by the mkbuiltins program.
54 */
55
56#include "shell.h"
57#include "builtins.h"
58
59!
60awk '/^[^#]/ {if(('$havejobs' || $2 != "-j") && ('$havehist' || $2 != "-h")) \
61    print $0}' builtins | sed 's/-j//' > $temp
62awk '{	printf "int %s();\n", $1}' $temp
63echo '
64int (*const builtinfunc[])() = {'
65awk '/^[^#]/ {	printf "\t%s,\n", $1}' $temp
66echo '};
67
68const struct builtincmd builtincmd[] = {'
69awk '{	for (i = 2 ; i <= NF ; i++) {
70		printf "\t\"%s\", %d,\n",  $i, NR-1
71	}}' $temp
72echo '	NULL, 0
73};'
74
75exec > ${objdir}/builtins.h
76cat <<\!
77/*
78 * This file was generated by the mkbuiltins program.
79 */
80
81#include <sys/cdefs.h>
82!
83tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ < $temp |
84	awk '{	printf "#define %s %d\n", $1, NR-1}'
85echo '
86struct builtincmd {
87      char *name;
88      int code;
89};
90
91extern int (*const builtinfunc[])();
92extern const struct builtincmd builtincmd[];'
93rm -f $temp
94