3d82bdb18a
The generated code remains the same. Reviewed by: jilles Differential Revision: https://reviews.freebsd.org/D11042
138 lines
3.5 KiB
Bash
Executable File
138 lines
3.5 KiB
Bash
Executable 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.
|
|
# 3. 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}' $temp
|
|
echo '};
|
|
|
|
const unsigned char builtincmd[] = {'
|
|
awk '{ for (i = 2 ; i <= NF ; i++) {
|
|
if ($i == "-s") {
|
|
spc = 1;
|
|
} else if ($i == "-n") {
|
|
# Handled later for builtins.h
|
|
continue
|
|
} else {
|
|
printf "\t\"\\%03o\\%03o%s\"\n", length($i), (spc ? 128 : 0) + NR-1, $i
|
|
spc = 0;
|
|
}
|
|
}}' $temp
|
|
echo '};'
|
|
|
|
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 '
|
|
#define BUILTIN_SPECIAL 0x80
|
|
|
|
extern int (*const builtinfunc[])(int, char **);
|
|
extern const unsigned char builtincmd[];
|
|
'
|
|
awk '{ printf "int %s(int, char **);\n", $1}' $temp
|
|
|
|
# Build safe_builtin_always()
|
|
cat <<EOF
|
|
|
|
static inline int
|
|
safe_builtin_always(int idx)
|
|
{
|
|
EOF
|
|
awk '
|
|
BEGIN { printed = 0 }
|
|
{
|
|
for (i = 2 ; i <= NF ; i++) {
|
|
if ($i == "-s") {
|
|
continue
|
|
} else if ($i == "-n") {
|
|
nofork = 1;
|
|
} else {
|
|
if (nofork == 0) {
|
|
continue
|
|
}
|
|
if (printed == 1) {
|
|
printf " || \n\t "
|
|
} else {
|
|
printf "\tif ("
|
|
}
|
|
printf "idx == " toupper($1)
|
|
printed = 1
|
|
nofork = 0;
|
|
# Only need to check each once
|
|
break
|
|
}
|
|
}
|
|
}' $temp
|
|
|
|
cat << EOF
|
|
)
|
|
return (1);
|
|
return(0);
|
|
}
|
|
EOF
|
|
|
|
rm -f $temp
|