Home | History | Annotate | Line # | Download | only in sh
mkbuiltins revision 1.19 
      1 #!/bin/sh -
      2 #	$NetBSD: mkbuiltins,v 1.19 2003/05/15 10:11:01 dsl 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 echo '/*
     59  * This file was generated by the mkbuiltins program.
     60  */
     61 
     62 #include "shell.h"
     63 #include "builtins.h"
     64 
     65 const struct builtincmd builtincmd[] = {
     66 ' >&3
     67 
     68 echo '/*
     69  * This file was generated by the mkbuiltins program.
     70  */
     71 
     72 #include <sys/cdefs.h>
     73 
     74 struct builtincmd {
     75       const char *name;
     76       int (*builtin)(int, char **);
     77 };
     78 
     79 extern const struct builtincmd builtincmd[];
     80 extern const struct builtincmd splbltincmd[];
     81 
     82 ' >&4
     83 
     84 specials=
     85 
     86 while read line
     87 do
     88 	set -- $line
     89 	[ -z "$1" ] && continue
     90 	l1="${line###}"
     91 	[ "$l1" != "$line" ] && continue
     92 
     93 	func=$1
     94 	shift
     95 	[ x"$1" = x'-j' ] && {
     96 		[ $havejobs = 0 ] && continue
     97 		shift
     98 	}
     99 	[ x"$1" = x'-h' ] && {
    100 		[ $havehist = 0 ] && continue
    101 		shift
    102 	}
    103 	echo 'int '"$func"'(int, char **);' >&4
    104 	while
    105 		[ $# != 0 -a "$1" != '#' ]
    106 	do
    107 		[ "$1" = '-s' ] && {
    108 			specials="$specials $2 $func"
    109 			shift 2
    110 			continue;
    111 		}
    112 		[ "$1" = '-u' ] && shift
    113 		echo '	{ "'$1'",	'"$func"' },' >&3
    114 		shift
    115 	done
    116 done
    117 
    118 echo '	{ 0, 0 },' >&3
    119 echo '};' >&3
    120 echo >&3
    121 echo 'const struct builtincmd splbltincmd[] = {' >&3
    122 
    123 set -- $specials
    124 while
    125 	[ $# != 0 ]
    126 do
    127 	echo '	{ "'$1'",	'"$2"' },' >&3
    128 	shift 2
    129 done
    130 
    131 echo '	{ 0, 0 },' >&3
    132 echo "};" >&3
    133