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freebsd/sys/kern/makedevops.sh
Doug Rabson 67fc32a9ff Use the interface name as well as the method name when creating the method
description.

Submitted by: Nick Hibma <nick.hibma@jrc.it>
1998-10-15 09:50:45 +00:00

233 lines
6.4 KiB
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#!/bin/sh -
#
# Copyright (c) 1992, 1993
# The Regents of the University of California. All rights reserved.
#
# 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. All advertising materials mentioning features or use of this software
# must display the following acknowledgement:
# This product includes software developed by the University of
# California, Berkeley and its contributors.
# 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.
#
# From @(#)vnode_if.sh 8.1 (Berkeley) 6/10/93
# $Id: makedevops.sh,v 1.1 1998/06/14 13:53:12 dfr Exp $
#
# Script to produce device front-end sugar.
#
# usage: makedevops.sh srcfile
#
# These awk scripts are not particularly well written, specifically they
# don't use arrays well and figure out the same information repeatedly.
# Please rewrite them if you actually understand how to use awk. Note,
# they use nawk extensions and gawk's toupper.
if [ $# -ne 2 ] ; then
echo 'usage: makedevops.sh [-c|-h] srcfile'
exit 1
fi
makec=0
makeh=0
if [ "$1" = "-c" ]; then
makec=1
fi
if [ "$1" = "-h" ]; then
makeh=1
fi
# Name of the source file.
SRC=$2
# Names of the created files.
CTMP=ctmp$$
HTMP=htmp$$
CFILE=`basename $SRC .m`.c
HFILE=`basename $SRC .m`.h
# Awk program (must support nawk extensions and gawk's "toupper")
# Use "awk" at Berkeley, "gawk" elsewhere.
AWK=awk
# Awk script to take file.do and turn it into file.h and file.c
$AWK "
BEGIN {
src = \"$SRC\";
header = \"$HTMP\";
cfile = \"$CTMP\";
hfile = \"$HFILE\";
"'
printf("/*\n") > header;
printf(" * This file is produced automatically.\n") > header;
printf(" * Do not modify anything in here by hand.\n") > header;
printf(" *\n") > header;
printf(" * Created from %s with makedevops.sh\n", src) > header;
printf(" */\n\n") > header;
printf("/*\n") > cfile;
printf(" * This file is produced automatically.\n") > cfile;
printf(" * Do not modify anything in here by hand.\n") > cfile;
printf(" *\n") > cfile;
printf(" * Created from %s with makedevops.sh\n", src) > cfile;
printf(" */\n\n") > cfile;
printf("#include <sys/param.h>\n") > cfile;
printf("#include <sys/queue.h>\n") > cfile;
printf("#include <sys/bus_private.h>\n") > cfile;
methodcount = 0
}
NF == 0 {
next;
}
/^#include/ {
print $0 > cfile;
}
/^#/ {
next;
}
/^INTERFACE/ {
intname = $2;
printf("#ifndef _%s_if_h_\n", intname) > header;
printf("#define _%s_if_h_\n\n", intname) > header;
printf("#include \"%s\"\n\n", hfile) > cfile;
}
/^METHOD/ {
# Get the function name and return type.
ret = "";
sep = "";
for (i = 2; i < NF - 1; i++) {
ret = sep $i;
sep = " ";
}
name = $i;
# Get the function arguments.
for (c1 = 0;; ++c1) {
if (getline <= 0)
exit
if ($0 ~ "^};")
break;
a[c1] = $0;
}
methods[methodcount++] = name;
mname = intname "_" name;
umname = toupper(mname);
# Print out the method declaration
printf("extern struct device_op_desc %s_desc;\n", mname) > header;
printf("%s %s(", ret, umname) > header;
sep = ", ";
for (c2 = 0; c2 < c1; ++c2) {
if (c2 == c1 - 1)
sep = " );\n";
c3 = split(a[c2], t);
for (c4 = 0; c4 < c3; ++c4)
printf("%s ", t[c4]) > header;
beg = match(t[c3], "[^*]");
end = match(t[c3], ";");
printf("%s%s%s",
substr(t[c4], 0, beg - 1),
substr(t[c4], beg, end - beg), sep) > header;
}
# Print the method desc
printf("struct device_op_desc %s_desc = {\n", mname) > cfile;
printf("\t0,\n") > cfile;
printf("\t\"%s\"\n", mname) > cfile;
printf("};\n\n") > cfile;
# Print out the method typedef
printf("typedef %s %s_t(\n", ret, mname) > cfile;
sep = ",\n";
for (c2 = 0; c2 < c1; ++c2) {
if (c2 == c1 - 1)
sep = ");\n";
c3 = split(a[c2], t);
printf("\t") > cfile;
for (c4 = 0; c4 < c3; ++c4)
printf("%s ", t[c4]) > cfile;
beg = match(t[c3], "[^*]");
end = match(t[c3], ";");
printf("%s%s%s",
substr(t[c4], 0, beg - 1),
substr(t[c4], beg, end - beg), sep) > cfile;
}
# Print out the method itself
printf("%s %s(\n", ret, umname) > cfile;
sep = ",\n";
for (c2 = 0; c2 < c1; ++c2) {
if (c2 == c1 - 1)
sep = ")\n";
c3 = split(a[c2], t);
printf("\t") > cfile;
for (c4 = 0; c4 < c3; ++c4)
printf("%s ", t[c4]) > cfile;
beg = match(t[c3], "[^*]");
end = match(t[c3], ";");
printf("%s%s%s",
substr(t[c4], 0, beg - 1),
substr(t[c4], beg, end - beg), sep) > cfile;
}
printf("{\n") > cfile;
printf("\t%s_t *m = (%s_t *) DEVOPMETH(dev, %s);\n",
mname, mname, mname) > cfile;
if (ret != "void")
printf("\treturn m(") > cfile;
else
printf("\tm(") > cfile;
sep = ", ";
for (c2 = 0; c2 < c1; ++c2) {
if (c2 == c1 - 1)
sep = ");\n";
c3 = split(a[c2], t);
beg = match(t[c3], "[^*]");
end = match(t[c3], ";");
printf("%s%s", substr(t[c3], beg, end - beg), sep) > cfile;
}
printf("}\n\n") > cfile;
}
END {
printf("\n#endif /* _%s_if_h_ */\n", intname) > header;
}' < $SRC
if [ $makec = 1 ]; then
mv $CTMP $CFILE
else
rm $CTMP
fi
if [ $makeh = 1 ]; then
mv $HTMP $HFILE
else
rm $HTMP
fi