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mkbuiltins revision 1.17 
      1 #!/bin/sh -
      2 #	$NetBSD: mkbuiltins,v 1.17 2002/11/24 22:35:41 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 
     40 havehist=1
     41 if [ "X$1" = "X-h" ]; then
     42 	havehist=0
     43 	shift
     44 fi
     45 
     46 shell=$1
     47 builtins=$2
     48 objdir=$3
     49 
     50 havejobs=0
     51 if grep '^#define JOBS[	 ]*1' ${shell} > /dev/null
     52 then
     53 	havejobs=1
     54 fi
     55 
     56 exec <$builtins 3> ${objdir}/builtins.c 4> ${objdir}/builtins.h
     57 
     58 cat <<EOF >&3
     59 /*
     60  * This file was generated by the mkbuiltins program.
     61  */
     62 
     63 #include "shell.h"
     64 #include "builtins.h"
     65 
     66 const struct builtincmd builtincmd[] = {
     67 EOF
     68 
     69 cat <<EOF >&4
     70 /*
     71  * This file was generated by the mkbuiltins program.
     72  */
     73 
     74 #include <sys/cdefs.h>
     75 
     76 struct builtincmd {
     77       const char *name;
     78       int (*builtin)(int, char **);
     79 };
     80 
     81 extern const struct builtincmd builtincmd[];
     82 extern const struct builtincmd splbltincmd[];
     83 
     84 EOF
     85 
     86 specials=
     87 
     88 while read line
     89 do
     90 	set -- $line
     91 	[ -z "$1" ] && continue
     92 	l1="${line###}"
     93 	[ "$l1" != "$line" ] && continue
     94 
     95 	func=$1
     96 	shift
     97 	[ x"$1" = x'-j' ] && {
     98 		[ $havejobs = 0 ] && continue
     99 		shift
    100 	}
    101 	[ x"$1" = x'-h' ] && {
    102 		[ $havehist = 0 ] && continue
    103 		shift
    104 	}
    105 	echo 'int '"$func"'(int, char **);' >&4
    106 	while
    107 		[ $# != 0 ]
    108 	do
    109 		[ "$1" = '-s' ] && {
    110 			specials="$specials $2 $func"
    111 			shift 2
    112 			continue;
    113 		}
    114 		[ "$1" = '-u' ] && shift
    115 		echo '	{ "'$1'",	'"$func"' },' >&3
    116 		shift
    117 	done
    118 done
    119 
    120 echo '	{ 0, 0 },' >&3
    121 echo '};' >&3
    122 echo >&3
    123 echo 'const struct builtincmd splbltincmd[] = {' >&3
    124 
    125 set -- $specials
    126 while
    127 	[ $# != 0 ]
    128 do
    129 	echo '	{ "'$1'",	'"$2"' },' >&3
    130 	shift 2
    131 done
    132 
    133 echo '	{ 0, 0 },' >&3
    134 echo "};" >&3
    135