xref: /freebsd/bin/sh/mkbuiltins (revision f0adf7f5cdd241db2f2c817683191a6ef64a4e95)
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# 4. Neither the name of the University nor the names of its contributors
18#    may be used to endorse or promote products derived from this software
19#    without specific prior written permission.
20#
21# THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24# ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31# SUCH DAMAGE.
32#
33#	@(#)mkbuiltins	8.2 (Berkeley) 5/4/95
34# $FreeBSD$
35
36temp=`/usr/bin/mktemp -t ka`
37havejobs=0
38if grep '^#define[	 ]*JOBS[	 ]*1' shell.h > /dev/null
39then	havejobs=1
40fi
41havehist=1
42if [ "X$1" = "X-h" ]; then
43	havehist=0
44	shift
45fi
46objdir=$1
47exec > ${objdir}/builtins.c
48cat <<\!
49/*
50 * This file was generated by the mkbuiltins program.
51 */
52
53#include <stdlib.h>
54#include "shell.h"
55#include "builtins.h"
56
57!
58awk '/^[^#]/ {if(('$havejobs' || $2 != "-j") && ('$havehist' || $2 != "-h")) \
59    print $0}' builtins.def | sed 's/-[hj]//' > $temp
60awk '{	printf "int %s();\n", $1}' $temp
61echo '
62int (*const builtinfunc[])() = {'
63awk '/^[^#]/ {	printf "\t%s,\n", $1}' $temp
64echo '};
65
66const struct builtincmd builtincmd[] = {'
67awk '{	for (i = 2 ; i <= NF ; i++) {
68		printf "\t{ \"%s\", %d },\n",  $i, NR-1
69	}}' $temp
70echo '	{ NULL, 0 }
71};'
72
73exec > ${objdir}/builtins.h
74cat <<\!
75/*
76 * This file was generated by the mkbuiltins program.
77 */
78
79#include <sys/cdefs.h>
80!
81tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ < $temp |
82	awk '{	printf "#define %s %d\n", $1, NR-1}'
83echo '
84struct builtincmd {
85      char *name;
86      int code;
87};
88
89extern int (*const builtinfunc[])();
90extern const struct builtincmd builtincmd[];'
91rm -f $temp
92