xref: /freebsd/bin/sh/mkbuiltins (revision 42c159fe388a3765f69860c84183700af37aca8a)
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	8.2 (Berkeley) 5/4/95
38# $FreeBSD$
39
40temp=`/usr/bin/mktemp -t ka`
41havejobs=0
42if grep '^#define JOBS[	 ]*1' shell.h > /dev/null
43then	havejobs=1
44fi
45havehist=1
46if [ "X$1" = "X-h" ]; then
47	havehist=0
48	shift
49fi
50objdir=$1
51exec > ${objdir}/builtins.c
52cat <<\!
53/*
54 * This file was generated by the mkbuiltins program.
55 */
56
57#include <stdlib.h>
58#include "shell.h"
59#include "builtins.h"
60
61!
62awk '/^[^#]/ {if(('$havejobs' || $2 != "-j") && ('$havehist' || $2 != "-h")) \
63    print $0}' builtins.def | sed 's/-j//' > $temp
64awk '{	printf "int %s();\n", $1}' $temp
65echo '
66int (*const builtinfunc[])() = {'
67awk '/^[^#]/ {	printf "\t%s,\n", $1}' $temp
68echo '};
69
70const struct builtincmd builtincmd[] = {'
71awk '{	for (i = 2 ; i <= NF ; i++) {
72		printf "\t{ \"%s\", %d },\n",  $i, NR-1
73	}}' $temp
74echo '	{ NULL, 0 }
75};'
76
77exec > ${objdir}/builtins.h
78cat <<\!
79/*
80 * This file was generated by the mkbuiltins program.
81 */
82
83#include <sys/cdefs.h>
84!
85tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ < $temp |
86	awk '{	printf "#define %s %d\n", $1, NR-1}'
87echo '
88struct builtincmd {
89      char *name;
90      int code;
91};
92
93extern int (*const builtinfunc[])();
94extern const struct builtincmd builtincmd[];'
95rm -f $temp
96