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#!/usr/bin/perl
## --------------------------------------------------------------------------
##
## Copyright 1996-2009 The NASM Authors - All Rights Reserved
## See the file AUTHORS included with the NASM distribution for
## the specific copyright holders.
##
## Redistribution and use in source and binary forms, with or without
## modification, are permitted provided that the following
## conditions are met:
##
## * Redistributions of source code must retain the above copyright
## notice, this list of conditions and the following disclaimer.
## * 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.
##
## THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 COPYRIGHT OWNER 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.
##
## --------------------------------------------------------------------------
#
# Sync the output file list between Makefiles
# Use the mkdep.pl parameters to get the filename syntax
#
# The first file is the source file; the other ones target.
#
%def_hints = ('object-ending' => '.o',
'path-separator' => '/',
'continuation' => "\\");
sub do_transform($$) {
my($l, $h) = @_;
my($ps) = $$h{'path-separator'};
$l =~ s/\x01/$$h{'object-ending'}/g;
$l =~ s/\x03/$$h{'continuation'}/g;
if ($ps eq '') {
# Remove the path separator and the preceding directory
$l =~ s/[^\s\=]*\x02//g;
} else {
# Convert the path separator
$l =~ s/\x02/$ps/g;
}
return $l;
}
undef %line_lists;
$first = 1;
$first_file = $ARGV[0];
die unless (defined($first_file));
foreach $file (@ARGV) {
open(FILE, '<', $file) or die;
# First, read the syntax hints
%hints = %def_hints;
while (defined($line = <FILE>)) {
if ( $line =~ /^\s*\#\s*@([a-z0-9-]+):\s*\"([^\"]*)\"/ ) {
$hints{$1} = $2;
}
}
# Read and process the file
seek(FILE,0,0);
@lines = ();
undef $processing;
while (defined($line = <FILE>)) {
chomp $line;
if (defined($processing)) {
if ($line =~ /^\#-- End ([^-\#]*[^-#\s]) --\#$/) {
if ($1 ne $processing) {
die "$0: $file: Mismatched Begin and End lines (\"$processing\" -> \"$1\"\n";
}
push(@lines, $line."\n");
undef $processing;
} elsif ($first) {
my $xl = $line;
my $oe = "\Q$hints{'object-ending'}";
my $ps = "\Q$hints{'path-separator'}";
my $cn = "\Q$hints{'continuation'}";
$xl =~ s/${oe}(\s|$)/\x01$1/g;
$xl =~ s/${ps}/\x02/g;
$xl =~ s/${cn}$/\x03/;
push(@{$line_lists{$processing}}, $xl);
push(@lines, $line);
}
} else {
push(@lines, $line."\n");
if ($line =~ '#-- Begin ([^-\#]*[^-#\s]) --#') {
$processing = $1;
if ($first) {
if (defined($line_lists{$processing})) {
die "$0: $file: Repeated Begin block: $processing\n";
}
$line_lists{$processing} = [];
} elsif (!$first) {
if (!defined($line_lists{$processing})) {
die "$0: $file: Begin block without template\n";
}
push(@lines, "# Edit in $first_file, not here!\n");
foreach $l (@{$line_lists{$processing}}) {
push(@lines, do_transform($l, \%hints)."\n");
}
}
}
}
}
close(FILE);
# Write the file back out
if (!$first) {
open(FILE, '>', $file) or die;
print FILE @lines;
close(FILE);
}
undef @lines;
$first = 0;
}
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