blob: f4a438a210a33036095588677bb3b9b941634517 [file] [log] [blame]
#!/usr/bin/env perl
# Copyright (C) 2005 Apple Inc. 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. Neither the name of Apple Inc. ("Apple") 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 APPLE AND ITS 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 APPLE OR ITS 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.
# "find-extra-includes" script for WebKit Open Source Project
use strict;
use warnings;
use File::Find;
find(\&wanted, @ARGV ? @ARGV : ".");
my %paths;
my %includes;
sub wanted
{
my $file = $_;
if ($file eq "icu") {
$File::Find::prune = 1;
return;
}
if ($file !~ /^\./ && $file =~ /\.(h|cpp|c|mm|m)$/) {
$paths{$file} = $File::Find::name;
open FILE, $file or die;
while (<FILE>) {
if (m-^\s*#\s*(include|import)\s+["<]((\S+/)*)(\S+)[">]-) {
my $include = ($2 eq "sys/" ? $2 : "") . $4;
$includes{$file}{$include}++;
}
}
close FILE;
}
}
my %totalIncludes;
sub fillOut
{
my ($file) = @_;
return if defined $totalIncludes{$file};
for my $include (keys %{ $includes{$file} }) {
$totalIncludes{$file}{$include} = 1;
fillOut($include);
for my $i (keys %{ $totalIncludes{$include} }) {
$totalIncludes{$file}{$i} = 1;
}
}
}
sub check
{
my ($file) = @_;
for my $include (keys %{ $includes{$file} }) {
fillOut($include);
}
for my $i1 (sort keys %{ $includes{$file} }) {
for my $i2 (keys %{ $includes{$file} }) {
next if $i1 eq $i2;
if ($totalIncludes{$i2}{$i1}) {
my $b1 = $i1;
my $b2 = $file;
$b1 =~ s/\..+$//;
$b2 =~ s/\..+$//;
print "$paths{$file} does not need to include $i1, because $i2 does\n" if $b1 ne $b2;
last;
}
}
}
}
for my $file (sort keys %includes) {
check($file);
}