tools/rb/find-leakers.pl

   1 #!/usr/bin/perl -w
   2 #
   3 # ***** BEGIN LICENSE BLOCK *****
   4 # Version: MPL 1.1/GPL 2.0/LGPL 2.1
   5 #
   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/
  10 #
  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.
  15 #
  16 # The Original Code is mozilla.org Code.
  17 #
  18 # The Initial Developer of the Original Code is
  19 # Netscape Communications Corporation.
  20 # Portions created by the Initial Developer are Copyright (C) 1998
  21 # the Initial Developer. All Rights Reserved.
  22 #
  23 # Contributor(s):
  24 #
  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.
  36 #
  37 # ***** END LICENSE BLOCK *****
  38
  39 my %allocs;
  40 my %counter;
  41 my $id = 0;
  42
  43 LINE: while (<>) {
  44     next LINE if (! /^</);
  45     my @fields = split(/ /, $_);
  46
  47     my $class = shift(@fields);
  48     my $obj   = shift(@fields);
  49     my $sno   = shift(@fields);
  50     my $op    = shift(@fields);
  51     my $cnt   = shift(@fields);
  52
  53     if ($op eq 'AddRef' && $cnt == 1) {
  54         $allocs{$obj} = ++$counter{$class}; # the order of allocation
  55         $classes{$obj} = $class;
  56     }
  57     elsif ($op eq 'Release' && $cnt == 0) {
  58         delete($allocs{$obj});
  59     }
  60 }
  61
  62 foreach $key (keys(%allocs)) {
  63     print "$key (", $allocs{$key}, ") @ ", $classes{$key}, "\n";
  64 }
  65