xref: /dragonfly/bin/sh/mkbuiltins (revision c9f721c2) 
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: src/bin/sh/mkbuiltins,v 1.8.2.3 2002/11/30 07:54:49 tjr Exp $
39# $DragonFly: src/bin/sh/mkbuiltins,v 1.3 2004/03/19 18:39:41 cpressey Exp $
40
41temp=`/usr/bin/mktemp -t ka`
42havejobs=0
43if grep '^#define JOBS[	 ]*1' shell.h > /dev/null
44then	havejobs=1
45fi
46havehist=1
47if [ "X$1" = "X-h" ]; then
48	havehist=0
49	shift
50fi
51objdir=$1
52exec > ${objdir}/builtins.c
53cat <<\!
54/*
55 * This file was generated by the mkbuiltins program.
56 */
57
58#include <stdlib.h>
59#include "shell.h"
60#include "builtins.h"
61
62!
63awk '/^[^#]/ {if(('$havejobs' || $2 != "-j") && ('$havehist' || $2 != "-h")) \
64    print $0}' builtins.def | sed 's/-[hj]//' > $temp
65awk '{	printf "int %s(int, char *[]);\n", $1}' $temp
66echo '
67int (*const builtinfunc[])(int, char *[]) = {'
68awk '/^[^#]/ {	printf "\t%s,\n", $1}' $temp
69echo '};
70
71const struct builtincmd builtincmd[] = {'
72awk '{	for (i = 2 ; i <= NF ; i++) {
73		printf "\t{ \"%s\", %d },\n",  $i, NR-1
74	}}' $temp
75echo '	{ NULL, 0 }
76};'
77
78exec > ${objdir}/builtins.h
79cat <<\!
80/*
81 * This file was generated by the mkbuiltins program.
82 */
83
84#include <sys/cdefs.h>
85!
86tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ < $temp |
87	awk '{	printf "#define %s %d\n", $1, NR-1}'
88echo '
89struct builtincmd {
90      const char *name;
91      int code;
92};
93
94extern int (*const builtinfunc[])(int, char *[]);
95extern const struct builtincmd builtincmd[];'
96rm -f $temp
97