e92e9c75bf
* bus_setup_intr() as a wrapper for BUS_SETUP_INTR * bus_teardown_intr() as a wrapper for BUS_TEARDOWN_INTR * device_get_nameunit() which returns e.g. "foo0" for name "foo" and unit 0. * device_set_desc_copy() malloc a copy of the description string. * device_quiet(), device_is_quiet(), device_verbose() suppress probe message. Add one method to the BUS interface, BUS_CHILD_DETACHED() which is called after the child has been detached to allow the bus to clean up any memory which it allocated on behalf of the child. I also fixed a bug which corrupted the list of drivers in a devclass if a driver was added to more than one devclass.
398 lines
13 KiB
Perl
398 lines
13 KiB
Perl
#!/usr/bin/perl
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#
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# Copyright (c) 1992, 1993
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# The Regents of the University of California. All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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# 3. All advertising materials mentioning features or use of this software
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# must display the following acknowledgement:
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# This product includes software developed by the University of
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# California, Berkeley and its contributors.
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# 4. Neither the name of the University nor the names of its contributors
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# may be used to endorse or promote products derived from this software
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# without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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# SUCH DAMAGE.
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#
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# From @(#)vnode_if.sh 8.1 (Berkeley) 6/10/93
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# From @(#)makedevops.sh 1.1 1998/06/14 13:53:12 dfr Exp $
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# From @(#)makedevops.sh ?.? 1998/10/05
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#
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# Script to produce device front-end sugar.
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#
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$debug = 0;
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$cfile = 0; # by default do not produce any file type
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$hfile = 0;
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$keepcurrentdir = 1;
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$line_width = 80;
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use File::Basename;
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# Process the command line
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#
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while ( $arg = shift @ARGV ) {
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if ( $arg eq '-c' ) {
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warn "Producing .c output files"
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if $debug;
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$cfile = 1;
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} elsif ( $arg eq '-h' ) {
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warn "Producing .h output files"
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if $debug;
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$hfile = 1;
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} elsif ( $arg eq '-ch' || $arg eq '-hc' ) {
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warn "Producing .c and .h output files"
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if $debug;
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$cfile = 1;
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$hfile = 1;
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} elsif ( $arg eq '-d' ) {
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$debug = 1;
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} elsif ( $arg eq '-p' ) {
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warn "Will produce files in original not in current directory"
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if $debug;
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$keepcurrentdir = 0;
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} elsif ( $arg eq '-l' ) {
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if ( $line_width = shift @ARGV and $line_width > 0 ) {
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warn "Line width set to $line_width"
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if $debug;
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} else {
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die "Please specify a valid line width after -l";
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}
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} elsif ( $arg =~ m/\.m$/ ) {
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warn "Filename: $arg"
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if $debug;
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push @filenames, $arg;
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} else {
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warn "$arg ignored"
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if $debug;
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}
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}
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# Validate the command line parameters
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#
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die "usage: $0 [-d] [-p] [-c|-h] srcfile
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where -c produce only .c files
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-h produce only .h files
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-p use the path component in the source file for destination dir
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-l set line width for output files [80]
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-d switch on debugging
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"
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unless ($cfile or $hfile)
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and $#filenames != -1;
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# FIXME should be able to do this more easily
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#
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$tmpdir = $ENV{'TMPDIR'}; # environment variables
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$tmpdir = $ENV{'TMP'}
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if !$tmpdir;
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$tmpdir = $ENV{'TEMP'}
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if !$tmpdir;
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$tmpdir = '/tmp' # look for a physical directory
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if !$tmpdir and -d '/tmp';
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$tmpdir = '/usr/tmp'
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if !$tmpdir and -d '/usr/tmp';
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$tmpdir = '/var/tmp'
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if !$tmpdir and -d '/var/tmp';
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$tmpdir = '.' # give up and use current dir
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if !$tmpdir;
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foreach $src ( @filenames ) {
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# Names of the created files
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$ctmpname = "$tmpdir/ctmp.$$";
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$htmpname = "$tmpdir/htmp.$$";
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($name, $path, $suffix) = &fileparse($src, '.m');
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$path = '.'
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if $keepcurrentdir;
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$cfilename="$path/$name.c";
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$hfilename="$path/$name.h";
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warn "Processing from $src to $cfile / $hfile via $ctmp / $htmp"
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if $debug;
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die "Could not open $src, $!"
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if !open SRC, "$src";
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die "Could not open $ctmpname, $!"
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if $cfile and !open CFILE, ">$ctmpname";
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die "Could not open $htmpname, $!"
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if $hfile and !open HFILE, ">$htmpname";
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if ( $cfile ) {
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# Produce the header of the C file
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#
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print CFILE "/*\n";
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print CFILE " * This file is produced automatically.\n";
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print CFILE " * Do not modify anything in here by hand.\n";
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print CFILE " *\n";
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print CFILE " * Created from\n";
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print CFILE " * $src\n";
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print CFILE " * with\n";
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print CFILE " * $0\n";
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print CFILE " */\n";
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print CFILE "\n";
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print CFILE "#include <sys/param.h>\n";
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print CFILE "#include <sys/queue.h>\n";
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print CFILE "#include <sys/sysctl.h>\n";
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print CFILE "#include <sys/bus_private.h>\n";
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}
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if ( $hfile ) {
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# Produce the header of the H file
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#
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print HFILE "/*\n";
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print HFILE " * This file is produced automatically.\n";
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print HFILE " * Do not modify anything in here by hand.\n";
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print HFILE " *\n";
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print HFILE " * Created from\n";
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print HFILE " * $src\n";
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print HFILE " * with\n";
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print HFILE " * $0\n";
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print HFILE " */\n";
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print HFILE "\n";
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}
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%methods = (); # clear list of methods
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$lineno = 0;
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$error = 0; # to signal clean up and gerror setting
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LINE: while ( $line = <SRC> ) {
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$lineno++;
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# take special notice of include directives.
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#
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if ( $line =~ m/^#\s*include\s+(["<])([^">]+)([">]).*/i ) {
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warn "Included file: $1$2" . ($1 eq '<'? '>':'"')
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if $debug;
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print CFILE "#include $1$2" . ($1 eq '<'? '>':'"') . "\n"
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if $cfile;
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}
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$line =~ s/#.*//; # remove comments
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$line =~ s/^\s+//; # remove leading ...
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$line =~ s/\s+$//; # remove trailing whitespace
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if ( $line =~ m/^$/ ) { # skip empty lines
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# nop
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} elsif ( $line =~ m/^INTERFACE\s*([^\s;]*)(\s*;?)/i ) {
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$intname = $1;
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$semicolon = $2;
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unless ( $intname =~ m/^[a-z_][a-z0-9_]*$/ ) {
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warn $line
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if $debug;
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warn "$src:$lineno: Invalid interface name '$intname', use [a-z_][a-z0-9_]*";
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$error = 1;
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last LINE;
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}
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warn "$src:$lineno: semicolon missing at end of line, no problem"
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if $semicolon !~ s/;$//;
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warn "Interface $intname"
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if $debug;
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print HFILE '#ifndef _'.$intname."_if_h_\n"
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if $hfile;
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print HFILE '#define _'.$intname."_if_h_\n\n"
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if $hfile;
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print CFILE '#include "'.$intname.'_if.h"'."\n\n"
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if $cfile;
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} elsif ( $line =~ m/^METHOD/i ) {
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# Get the return type function name and delete that from
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# the line. What is left is the possibly first function argument
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# if it is on the same line.
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#
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# FIXME For compatibilities sake METHOD and METHODE is accepted.
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#
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if ( !$intname ) {
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warn "$src:$lineno: No interface name defined";
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$error = 1;
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last LINE;
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}
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$line =~ s/^METHODE?\s+([^{]+?)\s*{\s*//i;
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@ret = split m/\s+/, $1;
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$name = pop @ret; # last element is name of method
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$ret = join(" ", @ret); # return type
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warn "Method: name=$name return type=$ret"
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if $debug;
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if ( !$name or !$ret ) {
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warn $line
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if $debug;
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warn "$src:$lineno: Invalid method specification";
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$error = 1;
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last LINE;
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}
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unless ( $name =~ m/^[a-z_][a-z_0-9]*$/ ) {
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warn $line
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if $debug;
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warn "$src:$lineno: Invalid method name '$name', use [a-z_][a-z0-9_]*";
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$error = 1;
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last LINE;
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}
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if ( defined($methods{$name}) ) {
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warn "$src:$lineno: Duplicate method name";
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$error = 1;
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last LINE;
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}
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$methods{$name} = 'VIS';
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while ( $line !~ m/}/ and $line .= <SRC> ) {
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$lineno++
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}
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if ( $line !~ s/};?(.*)// ) { # remove first '}' and trailing garbage
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# The '}' was not there (the rest is optional), so complain
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warn "$src:$lineno: Premature end of file";
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$error = 1;
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last LINE;
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}
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warn "$src:$lineno: Ignored '$1'" # warn about garbage at end of line
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if $debug and $1;
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# Create a list of variables without the types prepended
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#
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$line =~ s/^\s+//; # remove leading ...
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$line =~ s/\s+$//; # ... and trailing whitespace
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$line =~ s/\s+/ /; # remove double spaces
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@arguments = split m/\s*;\s*/, $line;
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@varnames = (); # list of varnames
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foreach $argument (@arguments) {
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next # skip argument if argument is empty
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if !$argument;
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@ar = split m/[*\s]+/, $argument;
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if ( $#ar == 0 ) { # only 1 word in argument?
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warn "$src:$lineno: no type for '$argument'";
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$error = 1;
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last LINE;
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}
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push @varnames, $ar[-1]; # last element is name of variable
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};
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warn 'Arguments: ' . join(', ', @arguments) . "\n"
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. 'Varnames: ' . join(', ', @varnames)
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if $debug;
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$mname = $intname.'_'.$name; # method name
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$umname = uc($mname); # uppercase method name
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$arguments = join(", ", @arguments);
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$varnames = join(", ", @varnames);
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if ( $hfile ) {
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# the method description
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print HFILE "extern struct device_op_desc $mname\_desc;\n";
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# the method typedef
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print HFILE &format_line("typedef $ret $mname\_t($arguments);",
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$line_width, ', ',
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',',' ' x length("typedef $ret $mname\_t("))
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. "\n";
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# the method declaration
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print HFILE "$mname\_t $umname;\n\n";
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}
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if ( $cfile ) {
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# Print out the method desc
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print CFILE "struct device_op_desc $mname\_desc = {\n";
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print CFILE "\t0, \"$mname\"\n";
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print CFILE "};\n\n";
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# Print out the method itself
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if ( 0 ) { # haven't chosen the format yet
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print CFILE "$ret $umname($varnames)\n";
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print CFILE "\t".join(";\n\t", @arguments).";\n";
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} else {
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print CFILE &format_line("$ret $umname($arguments)",
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$line_width, ', ',
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',', ' ' x length("$ret $umname(")) . "\n";
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}
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print CFILE "{\n";
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print CFILE &format_line("\t$mname\_t *m = ($mname\_t *) DEVOPMETH(dev, $mname);",
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$line_width-8, ' = ', ' =', "\t\t")
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. "\n";
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print CFILE "\t".($ret eq 'void'? '':'return ') . "m($varnames);\n";
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print CFILE "}\n\n";
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}
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} else {
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warn $line
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if $debug;
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warn "$src:$lineno: Invalid line encountered";
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$error = 1;
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last LINE;
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}
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} # end LINE
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# print the final '#endif' in the header file
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#
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print HFILE "#endif /* _".$intname."_if_h_ */\n"
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if $hfile;
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close SRC;
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close CFILE
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if $cfile;
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close HFILE
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if $hfile;
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if ( !$error ) {
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if ( $cfile ) {
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($rc = system("mv $ctmpname $cfilename"))
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and warn "mv $ctmpname $cfilename failed, $rc";
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}
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if ( $hfile ) {
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($rc = system("mv $htmpname $hfilename"))
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and warn "mv $htmpname $hfilename failed, $rc";
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}
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} else {
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warn 'File' . ($hfile and $cfile? 's':'') . ' skipped';
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($rc = system("rm -f $htmpname $ctmpname"))
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and warn "rm -f $htmpname $ctmpname failed, $rc";
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$gerror = 1;
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}
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}
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exit $gerror;
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sub format_line {
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my ($line, $maxlength, $break, $new_end, $new_start) = @_;
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my $rline = "";
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while ( length($line) > $maxlength
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and ($i = rindex $line, $break, $maxlength-length($new_end)) != -1 ) {
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$rline .= substr($line, 0, $i) . $new_end . "\n";
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$line = $new_start . substr($line, $i+length($break));
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}
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return $rline . $line;
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}
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