xref: /dragonfly/bin/sh/mkbuiltins (revision 19fe1c42) 
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 1.16 2006/04/02 18:43:33 stefanf Exp $
40# $DragonFly: src/bin/sh/mkbuiltins,v 1.4 2007/01/07 01:14:53 pavalos Exp $
41
42temp=`/usr/bin/mktemp -t ka`
43havejobs=0
44if grep '^#define[	 ]*JOBS[	 ]*1' shell.h > /dev/null
45then	havejobs=1
46fi
47havehist=1
48if [ "X$1" = "X-h" ]; then
49	havehist=0
50	shift
51fi
52objdir=$1
53exec > ${objdir}/builtins.c
54cat <<\!
55/*
56 * This file was generated by the mkbuiltins program.
57 */
58
59#include <stdlib.h>
60#include "shell.h"
61#include "builtins.h"
62
63!
64awk '/^[^#]/ {if(('$havejobs' || $2 != "-j") && ('$havehist' || $2 != "-h")) \
65    print $0}' builtins.def | sed 's/-[hj]//' > $temp
66awk '{	printf "int %s(int, char *[]);\n", $1}' $temp
67echo '
68int (*const builtinfunc[])(int, char *[]) = {'
69awk '/^[^#]/ {	printf "\t%s,\n", $1}' $temp
70echo '};
71
72const struct builtincmd builtincmd[] = {'
73awk '{	for (i = 2 ; i <= NF ; i++) {
74		if ($i == "-s") {
75			spc = 1;
76		} else {
77			printf "\t{ \"%s\", %d, %d },\n",  $i, NR-1, spc
78			spc = 0;
79		}
80	}}' $temp
81echo '	{ NULL, 0, 0 }
82};'
83
84exec > ${objdir}/builtins.h
85cat <<\!
86/*
87 * This file was generated by the mkbuiltins program.
88 */
89
90#include <sys/cdefs.h>
91!
92tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ < $temp |
93	awk '{	printf "#define %s %d\n", $1, NR-1}'
94echo '
95struct builtincmd {
96      const char *name;
97      int code;
98      int special;
99};
100
101extern int (*const builtinfunc[])(int, char *[]);
102extern const struct builtincmd builtincmd[];'
103rm -f $temp
104