xref: /freebsd/bin/sh/mkbuiltins (revision 2be1a816b9ff69588e55be0a84cbe2a31efc0f2f)
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# 4. Neither the name of the University nor the names of its contributors
19#    may be used to endorse or promote products derived from this software
20#    without specific prior written permission.
21#
22# THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
23# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25# ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
26# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32# SUCH DAMAGE.
33#
34#	@(#)mkbuiltins	8.2 (Berkeley) 5/4/95
35# $FreeBSD$
36
37temp=`/usr/bin/mktemp -t ka`
38havejobs=0
39if grep '^#define[	 ]*JOBS[	 ]*1' shell.h > /dev/null
40then	havejobs=1
41fi
42havehist=1
43if [ "X$1" = "X-h" ]; then
44	havehist=0
45	shift
46fi
47objdir=$1
48exec > ${objdir}/builtins.c
49cat <<\!
50/*
51 * This file was generated by the mkbuiltins program.
52 */
53
54#include <stdlib.h>
55#include "shell.h"
56#include "builtins.h"
57
58!
59awk '/^[^#]/ {if(('$havejobs' || $2 != "-j") && ('$havehist' || $2 != "-h")) \
60    print $0}' builtins.def | sed 's/-[hj]//' > $temp
61awk '{	printf "int %s(int, char **);\n", $1}' $temp
62echo '
63int (*const builtinfunc[])(int, char **) = {'
64awk '/^[^#]/ {	printf "\t%s,\n", $1}' $temp
65echo '};
66
67const struct builtincmd builtincmd[] = {'
68awk '{	for (i = 2 ; i <= NF ; i++) {
69		if ($i == "-s") {
70			spc = 1;
71		} else {
72			printf "\t{ \"%s\", %d, %d },\n",  $i, NR-1, spc
73			spc = 0;
74		}
75	}}' $temp
76echo '	{ NULL, 0, 0 }
77};'
78
79exec > ${objdir}/builtins.h
80cat <<\!
81/*
82 * This file was generated by the mkbuiltins program.
83 */
84
85#include <sys/cdefs.h>
86!
87tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ < $temp |
88	awk '{	printf "#define %s %d\n", $1, NR-1}'
89echo '
90struct builtincmd {
91      char *name;
92      int code;
93      int special;
94};
95
96extern int (*const builtinfunc[])(int, char **);
97extern const struct builtincmd builtincmd[];'
98rm -f $temp
99