1 #!/bin/sh - 2 # $NetBSD: mkbuiltins,v 1.21 2004/06/06 07:03:11 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. 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 36 havehist=1 37 if [ "X$1" = "X-h" ]; then 38 havehist=0 39 shift 40 fi 41 42 shell=$1 43 builtins=$2 44 objdir=$3 45 46 havejobs=0 47 if grep '^#define JOBS[ ]*1' ${shell} > /dev/null 48 then 49 havejobs=1 50 fi 51 52 exec <$builtins 3> ${objdir}/builtins.c 4> ${objdir}/builtins.h 53 54 echo '/* 55 * This file was generated by the mkbuiltins program. 56 */ 57 58 #include "shell.h" 59 #include "builtins.h" 60 61 const struct builtincmd builtincmd[] = { 62 ' >&3 63 64 echo '/* 65 * This file was generated by the mkbuiltins program. 66 */ 67 68 #include <sys/cdefs.h> 69 70 struct builtincmd { 71 const char *name; 72 int (*builtin)(int, char **); 73 }; 74 75 extern const struct builtincmd builtincmd[]; 76 extern const struct builtincmd splbltincmd[]; 77 78 ' >&4 79 80 specials= 81 82 while read line 83 do 84 set -- $line 85 [ -z "$1" ] && continue 86 case "$1" in 87 \#if*|\#def*|\#end*) 88 echo $line >&3 89 echo $line >&4 90 continue 91 ;; 92 esac 93 l1="${line###}" 94 [ "$l1" != "$line" ] && continue 95 96 97 func=$1 98 shift 99 [ x"$1" = x'-j' ] && { 100 [ $havejobs = 0 ] && continue 101 shift 102 } 103 [ x"$1" = x'-h' ] && { 104 [ $havehist = 0 ] && continue 105 shift 106 } 107 echo 'int '"$func"'(int, char **);' >&4 108 while 109 [ $# != 0 -a "$1" != '#' ] 110 do 111 [ "$1" = '-s' ] && { 112 specials="$specials $2 $func" 113 shift 2 114 continue; 115 } 116 [ "$1" = '-u' ] && shift 117 echo ' { "'$1'", '"$func"' },' >&3 118 shift 119 done 120 done 121 122 echo ' { 0, 0 },' >&3 123 echo '};' >&3 124 echo >&3 125 echo 'const struct builtincmd splbltincmd[] = {' >&3 126 127 set -- $specials 128 while 129 [ $# != 0 ] 130 do 131 echo ' { "'$1'", '"$2"' },' >&3 132 shift 2 133 done 134 135 echo ' { 0, 0 },' >&3 136 echo "};" >&3 137
