137 lines
3.2 KiB
Bash
137 lines
3.2 KiB
Bash
#!/bin/sh -
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# $NetBSD: mkbuiltins,v 1.21 2004/06/06 07:03:11 christos Exp $
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#
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# Copyright (c) 1991, 1993
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# The Regents of the University of California. All rights reserved.
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#
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# This code is derived from software contributed to Berkeley by
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# Kenneth Almquist.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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# 3. Neither the name of the University nor the names of its contributors
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# may be used to endorse or promote products derived from this software
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# without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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# SUCH DAMAGE.
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#
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# @(#)mkbuiltins 8.2 (Berkeley) 5/4/95
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havehist=1
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if [ "X$1" = "X-h" ]; then
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havehist=0
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shift
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fi
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shell=$1
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builtins=$2
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objdir=$3
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havejobs=0
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if grep '^#define JOBS[ ]*1' ${shell} > /dev/null
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then
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havejobs=1
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fi
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exec <$builtins 3> ${objdir}/builtins.c 4> ${objdir}/builtins.h
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echo '/*
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* This file was generated by the mkbuiltins program.
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*/
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#include "shell.h"
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#include "builtins.h"
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const struct builtincmd builtincmd[] = {
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' >&3
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echo '/*
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* This file was generated by the mkbuiltins program.
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*/
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#include <sys/cdefs.h>
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struct builtincmd {
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const char *name;
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int (*builtin)(int, char **);
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};
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extern const struct builtincmd builtincmd[];
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extern const struct builtincmd splbltincmd[];
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' >&4
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specials=
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while read line
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do
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set -- $line
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[ -z "$1" ] && continue
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case "$1" in
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\#if*|\#def*|\#end*)
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echo $line >&3
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echo $line >&4
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continue
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;;
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esac
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l1="${line###}"
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[ "$l1" != "$line" ] && continue
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func=$1
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shift
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[ x"$1" = x'-j' ] && {
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[ $havejobs = 0 ] && continue
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shift
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}
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[ x"$1" = x'-h' ] && {
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[ $havehist = 0 ] && continue
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shift
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}
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echo 'int '"$func"'(int, char **);' >&4
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while
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[ $# != 0 -a "$1" != '#' ]
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do
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[ "$1" = '-s' ] && {
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specials="$specials $2 $func"
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shift 2
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continue;
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}
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[ "$1" = '-u' ] && shift
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echo ' { "'$1'", '"$func"' },' >&3
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shift
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done
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done
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echo ' { 0, 0 },' >&3
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echo '};' >&3
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echo >&3
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echo 'const struct builtincmd splbltincmd[] = {' >&3
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set -- $specials
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while
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[ $# != 0 ]
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do
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echo ' { "'$1'", '"$2"' },' >&3
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shift 2
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done
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echo ' { 0, 0 },' >&3
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echo "};" >&3
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