127 lines
4.8 KiB
Perl
Executable File
127 lines
4.8 KiB
Perl
Executable File
#!/usr/bin/env perl
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# Copyright (C) 2010 Andras Becsi (abecsi@inf.u-szeged.hu), University of Szeged
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# 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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#
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# THIS SOFTWARE IS PROVIDED BY UNIVERSITY OF SZEGED ``AS IS'' AND ANY
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# EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL UNIVERSITY OF SZEGED OR
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# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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# PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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# OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#
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# A script which searches for headers included by WebKit2 files
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# and generates forwarding headers for these headers.
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use strict;
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use warnings;
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use Cwd qw(abs_path realpath);
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use File::Find;
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use File::Basename;
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use File::Path qw(mkpath);
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use File::Spec::Functions;
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use Getopt::Long;
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my $srcRoot = realpath(File::Spec->catfile(dirname(abs_path($0)), "../.."));
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my @platformPrefixes = ("ca", "cf", "cocoa", "Cocoa", "curl", "gtk", "ios", "mac", "playstation", "soup", "win", "wpe");
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my @frameworks = ("WebKit");
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my @skippedPrefixes = ("PAL");
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my @frameworkHeaders;
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my $framework;
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my %neededHeaders;
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my $verbose = 0; # enable it for debugging purpose
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my @incFromRoot;
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my $outputDirectory;
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my @platform;
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my %options = (
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'include-path=s' => \@incFromRoot,
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'output=s' => \$outputDirectory,
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'platform=s' => \@platform
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);
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GetOptions(%options);
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foreach my $prefix (@platformPrefixes) {
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push(@skippedPrefixes, $prefix) if grep($_ =~ "$prefix", @platform) == 0;
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}
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foreach (@frameworks) {
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$framework = $_;
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@frameworkHeaders = ();
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%neededHeaders = ();
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foreach (@incFromRoot) { find(\&collectNeededHeaders, abs_path($_) ); };
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find(\&collectFrameworkHeaderPaths, File::Spec->catfile($srcRoot, $framework));
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createForwardingHeadersForFramework();
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}
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sub collectNeededHeaders {
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my $filePath = $File::Find::name;
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my $file = $_;
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if ($filePath =~ '\.h$|\.cpp$|\.c$') {
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open(FILE, "<$file") or die "Could not open $filePath.\n";
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while (<FILE>) {
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if (m/^#.*<$framework\/(.*\.h)/) {
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$neededHeaders{$1} = 1;
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}
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}
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close(FILE);
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}
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}
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sub collectFrameworkHeaderPaths {
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my $filePath = $File::Find::name;
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my $file = $_;
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if ($filePath =~ '\.h$' && $filePath !~ "ForwardingHeaders" && grep{$file eq $_} keys %neededHeaders) {
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my $headerPath = substr($filePath, length(File::Spec->catfile($srcRoot, $framework)) + 1 );
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push(@frameworkHeaders, $headerPath) unless (grep($headerPath =~ "$_/", @skippedPrefixes) || $headerPath =~ "config.h");
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}
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}
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sub createForwardingHeadersForFramework {
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my $targetDirectory = File::Spec->catfile($outputDirectory, $framework);
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mkpath($targetDirectory);
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foreach my $header (@frameworkHeaders) {
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my $headerName = basename($header);
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# If we found more headers with the same name, exit immediately.
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my @headers = grep($_ =~ "/$headerName\$", @frameworkHeaders);
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if (@headers != 1) {
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print("ERROR: Can't create $headerName forwarding header, because there are more headers with the same name:\n");
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foreach (@headers) { print " - $_\n" };
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die();
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}
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my $forwardingHeaderPath = File::Spec->catfile($targetDirectory, $headerName);
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my $expectedIncludeStatement = "#include \"$framework/$header\"";
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my $foundIncludeStatement = 0;
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$foundIncludeStatement = <EXISTING_HEADER> if open(EXISTING_HEADER, "<$forwardingHeaderPath");
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chomp($foundIncludeStatement);
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if (! $foundIncludeStatement || $foundIncludeStatement ne $expectedIncludeStatement) {
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print "[Creating forwarding header for $framework/$header]\n" if $verbose;
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open(FORWARDING_HEADER, ">$forwardingHeaderPath") or die "Could not open $forwardingHeaderPath.";
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print FORWARDING_HEADER "$expectedIncludeStatement\n";
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close(FORWARDING_HEADER);
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}
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close(EXISTING_HEADER);
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}
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}
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