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mkbuiltins revision 1.7 
      1 #!/bin/sh -
      2 #
      3 # Copyright (c) 1991, 1993
      4 #	The Regents of the University of California.  All rights reserved.
      5 #
      6 # This code is derived from software contributed to Berkeley by
      7 # Kenneth Almquist.
      8 #
      9 # Redistribution and use in source and binary forms, with or without
     10 # modification, are permitted provided that the following conditions
     11 # are met:
     12 # 1. Redistributions of source code must retain the above copyright
     13 #    notice, this list of conditions and the following disclaimer.
     14 # 2. Redistributions in binary form must reproduce the above copyright
     15 #    notice, this list of conditions and the following disclaimer in the
     16 #    documentation and/or other materials provided with the distribution.
     17 # 3. All advertising materials mentioning features or use of this software
     18 #    must display the following acknowledgement:
     19 #	This product includes software developed by the University of
     20 #	California, Berkeley and its contributors.
     21 # 4. Neither the name of the University nor the names of its contributors
     22 #    may be used to endorse or promote products derived from this software
     23 #    without specific prior written permission.
     24 #
     25 # THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     26 # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     27 # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     28 # ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     29 # FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     30 # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     31 # OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     32 # HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     33 # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     34 # OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     35 # SUCH DAMAGE.
     36 #
     37 #	@(#)mkbuiltins	8.1 (Berkeley) 5/31/93
     38 
     39 temp=/tmp/ka$$
     40 havejobs=0
     41 if grep '^#define JOBS[	 ]*1' shell.h > /dev/null
     42 then	havejobs=1
     43 fi
     44 havehist=1
     45 if [ "$1" = "-h" ]; then
     46 	havehist=0
     47 	shift
     48 fi
     49 objdir=$1
     50 exec > ${objdir}/builtins.c
     51 cat <<\!
     52 /*
     53  * This file was generated by the mkbuiltins program.
     54  */
     55 
     56 #include "shell.h"
     57 #include "builtins.h"
     58 
     59 !
     60 awk '/^[^#]/ {if(('$havejobs' || $2 != "-j") && ('$havehist' || $2 != "-h")) \
     61     print $0}' builtins | sed 's/-j//' > $temp
     62 awk '{	printf "int %s();\n", $1}' $temp
     63 echo '
     64 int (*const builtinfunc[])() = {'
     65 awk '/^[^#]/ {	printf "\t%s,\n", $1}' $temp
     66 echo '};
     67 
     68 const struct builtincmd builtincmd[] = {'
     69 awk '{	for (i = 2 ; i <= NF ; i++) {
     70 		printf "\t\"%s\", %d,\n",  $i, NR-1
     71 	}}' $temp
     72 echo '	NULL, 0
     73 };'
     74 
     75 exec > ${objdir}/builtins.h
     76 cat <<\!
     77 /*
     78  * This file was generated by the mkbuiltins program.
     79  */
     80 
     81 #include <sys/cdefs.h>
     82 !
     83 tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ < $temp |
     84 	awk '{	printf "#define %s %d\n", $1, NR-1}'
     85 echo '
     86 struct builtincmd {
     87       char *name;
     88       int code;
     89 };
     90 
     91 extern int (*const builtinfunc[])();
     92 extern const struct builtincmd builtincmd[];'
     93 rm -f $temp
     94