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mkbuiltins revision 1.6 
      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 exec > obj/builtins.c
     45 cat <<\!
     46 /*
     47  * This file was generated by the mkbuiltins program.
     48  */
     49 
     50 #include "shell.h"
     51 #include "builtins.h"
     52 
     53 !
     54 awk '/^[^#]/ {if('$havejobs' || $2 != "-j") print $0}' builtins |
     55 	sed 's/-j//' > $temp
     56 awk '{	printf "int %s();\n", $1}' $temp
     57 echo '
     58 int (*const builtinfunc[])() = {'
     59 awk '/^[^#]/ {	printf "\t%s,\n", $1}' $temp
     60 echo '};
     61 
     62 const struct builtincmd builtincmd[] = {'
     63 awk '{	for (i = 2 ; i <= NF ; i++) {
     64 		printf "\t\"%s\", %d,\n",  $i, NR-1
     65 	}}' $temp
     66 echo '	NULL, 0
     67 };'
     68 
     69 exec > obj/builtins.h
     70 cat <<\!
     71 /*
     72  * This file was generated by the mkbuiltins program.
     73  */
     74 
     75 #include <sys/cdefs.h>
     76 !
     77 tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ < $temp |
     78 	awk '{	printf "#define %s %d\n", $1, NR-1}'
     79 echo '
     80 struct builtincmd {
     81       char *name;
     82       int code;
     83 };
     84 
     85 extern int (*const builtinfunc[])();
     86 extern const struct builtincmd builtincmd[];'
     87 rm -f $temp
     88