124 lines
3.1 KiB
Plaintext
124 lines
3.1 KiB
Plaintext
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#!/bin/sh -
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#
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# Copyright (c) 1991 The Regents of the University of California.
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# 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. All advertising materials mentioning features or use of this software
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# must display the following acknowledgement:
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# This product includes software developed by the University of
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# California, Berkeley and its contributors.
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# 4. 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 5.2 (Berkeley) 3/8/91
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# All calls to awk removed, because Minix bawk is deficient. (kjb)
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if [ $# != 2 ]
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then
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echo "USAGE: $0 shell.h builtins"
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exit 1
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fi
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SHL=$1
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BLTINS=$2
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temp=/tmp/ka$$
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exec > builtins.c
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cat <<\!
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/*
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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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!
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if grep '^#define JOBS[ ]*1' $SHL > /dev/null
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then
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# Job control.
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sed -e '/^#/d
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s/ / /g
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s/ #.*//
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/^ *$/d
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s/-j//' $BLTINS > $temp
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else
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# No job control.
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sed -e '/^#/d
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s/ / /g
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s/ #.*//
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/^ *$/d
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/-j/d' $BLTINS > $temp
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fi
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sed -e 's/ .*//
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s/\(.*\)/int \1();/' $temp
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echo '
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int (*const builtinfunc[])() = {'
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sed -e 's/ .*//
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s/\(.*\)/ \1,/' $temp
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echo '};
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const struct builtincmd builtincmd[] = {'
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i=0
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while read line
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do
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set -$- $line
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shift
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for fun
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do
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echo " \"$fun\", $i,"
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done
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i=`expr $i + 1`
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done < $temp
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echo ' NULL, 0
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};'
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exec > builtins.h
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cat <<\!
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/*
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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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!
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i=0
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tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ < $temp |
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while read line
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do
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set -$- $line
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echo "#define $1 $i"
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i=`expr $i + 1`
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done
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echo '
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struct builtincmd {
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char *name;
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int code;
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};
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extern int (*const builtinfunc[])();
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extern const struct builtincmd builtincmd[];'
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rm -f $temp
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