xref: /dragonfly/bin/sh/mkbuiltins (revision 215809b7) 
1#!/bin/sh -
2
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. All advertising materials mentioning features or use of this software
19#    must display the following acknowledgement:
20#	This product includes software developed by the University of
21#	California, Berkeley and its contributors.
22# 4. Neither the name of the University nor the names of its contributors
23#    may be used to endorse or promote products derived from this software
24#    without specific prior written permission.
25#
26# THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
27# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
28# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
29# ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
30# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
31# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
32# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
33# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
34# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
35# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
36# SUCH DAMAGE.
37#
38#	@(#)mkbuiltins	8.2 (Berkeley) 5/4/95
39# $FreeBSD: src/bin/sh/mkbuiltins,v 1.18 2011/06/13 21:03:27 jilles 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
65echo 'int (*const builtinfunc[])(int, char *[]) = {'
66awk '/^[^#]/ {	printf "\t%s,\n", $1}' $temp
67echo '};
68
69const struct builtincmd builtincmd[] = {'
70awk '{	for (i = 2 ; i <= NF ; i++) {
71		if ($i == "-s") {
72			spc = 1;
73		} else {
74			printf "\t{ \"%s\", %d, %d },\n",  $i, NR-1, spc
75			spc = 0;
76		}
77	}}' $temp
78echo '	{ NULL, 0, 0 }
79};'
80
81exec > ${objdir}/builtins.h
82cat <<\!
83/*
84 * This file was generated by the mkbuiltins program.
85 */
86
87#include <sys/cdefs.h>
88!
89tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ < $temp |
90	awk '{	printf "#define %s %d\n", $1, NR-1}'
91echo '
92struct builtincmd {
93      const char *name;
94      int code;
95      int special;
96};
97
98extern int (*const builtinfunc[])(int, char *[]);
99extern const struct builtincmd builtincmd[];
100'
101awk '{	printf "int %s(int, char *[]);\n", $1}' $temp
102rm -f $temp
103