Bug 458256. Use LoadLibraryW instead of LoadLibrary (patch by DougT). r+sr=vlad
[wine-gecko.git] / tools / rb / find-comptr-leakers.pl
blob635f87b0497e31a615b9935da65109ae8ee3fbff
1 #!/usr/bin/perl -w
3 # ***** BEGIN LICENSE BLOCK *****
4 # Version: MPL 1.1/GPL 2.0/LGPL 2.1
6 # The contents of this file are subject to the Mozilla Public License Version
7 # 1.1 (the "License"); you may not use this file except in compliance with
8 # the License. You may obtain a copy of the License at
9 # http://www.mozilla.org/MPL/
11 # Software distributed under the License is distributed on an "AS IS" basis,
12 # WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
13 # for the specific language governing rights and limitations under the
14 # License.
16 # The Original Code is mozilla.org Code.
18 # The Initial Developer of the Original Code is
19 # L. David Baron <dbaron@dbaron.org>
20 # Portions created by the Initial Developer are Copyright (C) 1998
21 # the Initial Developer. All Rights Reserved.
23 # Contributor(s):
25 # Alternatively, the contents of this file may be used under the terms of
26 # either the GNU General Public License Version 2 or later (the "GPL"), or
27 # the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
28 # in which case the provisions of the GPL or the LGPL are applicable instead
29 # of those above. If you wish to allow use of your version of this file only
30 # under the terms of either the GPL or the LGPL, and not to allow others to
31 # use your version of this file under the terms of the MPL, indicate your
32 # decision by deleting the provisions above and replace them with the notice
33 # and other provisions required by the GPL or the LGPL. If you do not delete
34 # the provisions above, a recipient may use your version of this file under
35 # the terms of any one of the MPL, the GPL or the LGPL.
37 # ***** END LICENSE BLOCK *****
39 # Script loosely based on Chris Waterson's find-leakers.pl and make-tree.pl
41 use 5.004;
42 use strict;
43 use Getopt::Long;
45 # GetOption will create $opt_object, so ignore the
46 # warning that gets spit out about those vbls.
47 GetOptions("object=s", "list", "help");
49 # use $::opt_help twice to eliminate warning...
50 ($::opt_help) && ($::opt_help) && die qq{
51 usage: find-comptr-leakers.pl < logfile
52 --object <obj> Examine only object <obj>
53 --list Only list leaked objects
54 --help This message :-)
57 if ($::opt_object) {
58 warn "Examining only object $::opt_object (THIS IS BROKEN)\n";
59 } else {
60 warn "Examining all objects\n";
63 my %allocs = ( );
64 my %counter;
65 my $id = 0;
67 my $accumulating = 0;
68 my $savedata = 0;
69 my $class;
70 my $obj;
71 my $sno;
72 my $op;
73 my $cnt;
74 my $ptr;
75 my $strace;
77 sub save_data {
78 # save the data
79 if ($op eq 'nsCOMPtrAddRef') {
80 push @{ $allocs{$sno}->{$ptr} }, [ +1, $strace ];
82 elsif ($op eq 'nsCOMPtrRelease') {
83 push @{ $allocs{$sno}->{$ptr} }, [ -1, $strace ];
84 my $sum = 0;
85 my @ptrallocs = @{ $allocs{$sno}->{$ptr} };
86 foreach my $alloc (@ptrallocs) {
87 $sum += @$alloc[0];
89 if ( $sum == 0 ) {
90 delete($allocs{$sno}{$ptr});
95 LINE: while (<>) {
96 if (/^</) {
97 chop; # avoid \n in $ptr
98 my @fields = split(/ /, $_);
100 ($class, $obj, $sno, $op, $cnt, $ptr) = @fields;
102 $strace = "";
104 if ($::opt_list) {
105 save_data();
106 } elsif (!($::opt_object) || ($::opt_object eq $obj)) {
107 $accumulating = 1;
109 } elsif ( $accumulating == 1 ) {
110 if ( /^$/ ) {
111 # if line is empty
112 $accumulating = 0;
113 save_data();
114 } else {
115 $strace = $strace . $_;
119 if ( $accumulating == 1) {
120 save_data();
123 foreach my $serial (keys(%allocs)) {
124 foreach my $comptr (keys( %{$allocs{$serial}} )) {
125 my $sum = 0;
126 my @ptrallocs = @{ $allocs{$serial}->{$comptr} };
127 foreach my $alloc (@ptrallocs) {
128 $sum += @$alloc[0];
130 print "Object ", $serial, " held by ", $comptr, " is ", $sum, " out of balance.\n";
131 unless ($::opt_list) {
132 print "\n";
133 foreach my $alloc (@ptrallocs) {
134 if (@$alloc[0] == +1) {
135 print "Put into nsCOMPtr at:\n";
136 } elsif (@$alloc[0] == -1) {
137 print "Released from nsCOMPtr at:\n";
139 print @$alloc[1]; # the stack trace
140 print "\n";
142 print "\n\n";