/bin/sh/mkbuiltins
https://bitbucket.org/freebsd/freebsd-head/ · Shell · 98 lines · 54 code · 6 blank · 38 comment · 2 complexity · 7cbed72de7bc7ef938283919c591149b MD5 · raw file
- #!/bin/sh -
- #-
- # Copyright (c) 1991, 1993
- # The Regents of the University of California. All rights reserved.
- #
- # This code is derived from software contributed to Berkeley by
- # Kenneth Almquist.
- #
- # Redistribution and use in source and binary forms, with or without
- # modification, are permitted provided that the following conditions
- # are met:
- # 1. Redistributions of source code must retain the above copyright
- # notice, this list of conditions and the following disclaimer.
- # 2. Redistributions in binary form must reproduce the above copyright
- # notice, this list of conditions and the following disclaimer in the
- # documentation and/or other materials provided with the distribution.
- # 4. Neither the name of the University nor the names of its contributors
- # may be used to endorse or promote products derived from this software
- # without specific prior written permission.
- #
- # THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- # ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- # FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- # OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- # HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- # OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- # SUCH DAMAGE.
- #
- # @(#)mkbuiltins 8.2 (Berkeley) 5/4/95
- # $FreeBSD$
- temp=`/usr/bin/mktemp -t ka`
- havehist=1
- if [ "X$1" = "X-h" ]; then
- havehist=0
- shift
- fi
- srcdir=$1
- havejobs=0
- if grep '^#define[ ]*JOBS[ ]*1' $srcdir/shell.h > /dev/null
- then havejobs=1
- fi
- exec > builtins.c
- cat <<\!
- /*
- * This file was generated by the mkbuiltins program.
- */
- #include <stdlib.h>
- #include "shell.h"
- #include "builtins.h"
- !
- awk '/^[^#]/ {if(('$havejobs' || $2 != "-j") && ('$havehist' || $2 != "-h")) \
- print $0}' $srcdir/builtins.def | sed 's/-[hj]//' > $temp
- echo 'int (*const builtinfunc[])(int, char **) = {'
- awk '/^[^#]/ { printf "\t%s,\n", $1}' $temp
- echo '};
- const struct builtincmd builtincmd[] = {'
- awk '{ for (i = 2 ; i <= NF ; i++) {
- if ($i == "-s") {
- spc = 1;
- } else {
- printf "\t{ \"%s\", %d, %d },\n", $i, NR-1, spc
- spc = 0;
- }
- }}' $temp
- echo ' { NULL, 0, 0 }
- };'
- exec > builtins.h
- cat <<\!
- /*
- * This file was generated by the mkbuiltins program.
- */
- #include <sys/cdefs.h>
- !
- tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ < $temp |
- awk '{ printf "#define %s %d\n", $1, NR-1}'
- echo '
- struct builtincmd {
- const char *name;
- int code;
- int special;
- };
- extern int (*const builtinfunc[])(int, char **);
- extern const struct builtincmd builtincmd[];
- '
- awk '{ printf "int %s(int, char **);\n", $1}' $temp
- rm -f $temp