gecko-dev/tools/module-deps/header-count.pl

62 строки
1.8 KiB
Perl
Executable File

#!/usr/bin/perl -w
#
# The contents of this file are subject to the Mozilla Public
# License Version 1.1 (the "License"); you may not use this file
# except in compliance with the License. You may obtain a copy of
# the License at http://www.mozilla.org/MPL/
#
# Software distributed under the License is distributed on an "AS
# IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
# implied. See the License for the specific language governing
# rights and limitations under the License.
#
# The Original Code is header-count.pl.
#
# The Initial Developer of the Original Code is L. David Baron.
# Portions created by L. David Baron are Copyright (C) 2000 L. David
# Baron. All Rights Reserved.
#
# Contributor(s):
# L. David Baron <dbaron@fas.harvard.edu> (original author)
# This script uses the gcc-generated dependency files in .deps
# directories to count the number of C/C++ files for which each header
# file is brought in.
use strict;
unless ($#ARGV == 0) {
print "Usage: $0 <object-directory>\n";
exit;
}
my $dirname = $ARGV[0];
my %hfilecounts;
my $cfilecount;
open(FILELIST, "find $dirname -path '*/.deps/*.pp' ! -name '.all.pp' |");
while (my $filename = <FILELIST>) {
open(DEPSFILE, "$filename");
$cfilecount++;
while (<DEPSFILE>) {
my @words = split();
foreach my $word (@words) {
if ($word =~ /^(\/usr.*\.h)$/) {
# /usr*.h - use entire path
$hfilecounts{$1}++;
} elsif ($word =~ /\/([^\/]*\.h)$/) {
# other .h files - use just the filename
$hfilecounts{$1}++;
}
}
}
}
print "$cfilecount files total.\n\n";
my @sortednames =
sort {$hfilecounts{$b} <=> $hfilecounts{$a}} keys(%hfilecounts);
foreach my $filename (@sortednames) {
print "$hfilecounts{$filename} $filename\n";
}