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mkbuiltins revision 1.14 
      1 #!/bin/sh -
      2 #	$NetBSD: mkbuiltins,v 1.14 1998/03/29 09:27:41 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 temp=/tmp/ka$$
     41 
     42 havehist=1
     43 if [ "X$1" = "X-h" ]; then
     44 	havehist=0
     45 	shift
     46 fi
     47 shell=$1
     48 builtins=$2
     49 objdir=$3
     50 
     51 havejobs=0
     52 if grep '^#define JOBS[	 ]*1' ${shell} > /dev/null
     53 then
     54 	havejobs=1
     55 fi
     56 
     57 exec > ${objdir}/builtins.c
     58 cat <<\!
     59 /*
     60  * This file was generated by the mkbuiltins program.
     61  */
     62 
     63 #include "shell.h"
     64 #include "builtins.h"
     65 
     66 !
     67 awk '/^[^#]/ {if(('$havejobs' || $2 != "-j") && ('$havehist' || $2 != "-h")) \
     68     print $0}' ${builtins} | sed 's/-j//' > $temp
     69 awk '{	printf "int %s __P((int, char **));\n", $1}' $temp
     70 echo '
     71 int (*const builtinfunc[]) __P((int, char **)) = {'
     72 awk '/^[^#]/ {	printf "\t%s,\n", $1}' $temp
     73 echo '};
     74 
     75 const struct builtincmd builtincmd[] = {'
     76 awk '{	for (i = 2 ; i <= NF ; i++) {
     77 		printf "\t{ \"%s\", %d },\n",  $i, NR-1
     78 	}}' $temp
     79 echo '	{ NULL, 0 }
     80 };'
     81 
     82 exec > ${objdir}/builtins.h
     83 cat <<\!
     84 /*
     85  * This file was generated by the mkbuiltins program.
     86  */
     87 
     88 #include <sys/cdefs.h>
     89 !
     90 tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ < $temp |
     91 	awk '{	printf "#define %s %d\n", $1, NR-1}'
     92 echo '
     93 struct builtincmd {
     94       char *name;
     95       int code;
     96 };
     97 
     98 extern int (*const builtinfunc[]) __P((int, char **));
     99 extern const struct builtincmd builtincmd[];'
    100 rm -f $temp
    101