xref: /netbsd/bin/sh/mkbuiltins (revision bf9ec67e) 
1#!/bin/sh -
2#	$NetBSD: mkbuiltins,v 1.15 1999/07/09 03:05:50 christos Exp $
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
40temp=/tmp/ka$$
41
42havehist=1
43if [ "X$1" = "X-h" ]; then
44	havehist=0
45	shift
46fi
47shell=$1
48builtins=$2
49objdir=$3
50
51havejobs=0
52if grep '^#define JOBS[	 ]*1' ${shell} > /dev/null
53then
54	havejobs=1
55fi
56
57exec > ${objdir}/builtins.c
58cat <<\!
59/*
60 * This file was generated by the mkbuiltins program.
61 */
62
63#include "shell.h"
64#include "builtins.h"
65
66!
67awk '/^[^#]/ {if(('$havejobs' || $2 != "-j") && ('$havehist' || $2 != "-h")) \
68    print $0}' ${builtins} | sed 's/-j//' > $temp
69awk '{	printf "int %s __P((int, char **));\n", $1}' $temp
70echo '
71int (*const builtinfunc[]) __P((int, char **)) = {'
72awk '/^[^#]/ {	printf "\t%s,\n", $1}' $temp
73echo '};
74
75const struct builtincmd builtincmd[] = {'
76awk '{	for (i = 2 ; i <= NF ; i++) {
77		printf "\t{ \"%s\", %d },\n",  $i, NR-1
78	}}' $temp
79echo '	{ NULL, 0 }
80};'
81
82exec > ${objdir}/builtins.h
83cat <<\!
84/*
85 * This file was generated by the mkbuiltins program.
86 */
87
88#include <sys/cdefs.h>
89!
90tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ < $temp |
91	awk '{	printf "#define %s %d\n", $1, NR-1}'
92echo '
93struct builtincmd {
94      const char *name;
95      int code;
96};
97
98extern int (*const builtinfunc[]) __P((int, char **));
99extern const struct builtincmd builtincmd[];'
100rm -f $temp
101