freepascal.compiler/compiler/ppheap.pas

{
    $Id$
    Copyright (c) 1998-2000 by Pierre Muller

    Simple unit to add source line and column to each
    memory allocation made with heaptrc unit

    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; either version 2 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program; if not, write to the Free Software
    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.

 ****************************************************************************}
unit ppheap;

{$i defines.inc}

interface

    uses heaptrc;

    { call this function before any memory allocation
      in a unit initialization code (PM) }

    procedure pp_heap_init;

implementation

    uses
       globtype,globals,fmodule;

    procedure ppextra_info(p : pointer);
      var pl : plongint;
      begin
         longint(p^):=aktfilepos.line;
         pl:=plongint(cardinal(p)+4);
         pl^:=aktfilepos.column;
         pl:=plongint(cardinal(p)+8);
         if assigned(current_module) then
          pl^:=current_module^.unit_index*100000+aktfilepos.fileindex
         else
          pl^:=aktfilepos.fileindex
      end;

  const
     pp_heap_inited : boolean = false;

  procedure pp_heap_init;
    begin
       if not pp_heap_inited then
         begin
            setheaptraceoutput('heap.log');
            SetExtraInfo(12,{$ifdef FPCPROCVAR}@{$endif}ppextra_info);
         end;
       pp_heap_inited:=true;
    end;


begin
  pp_heap_init;
end.
{
  $Log$
  Revision 1.4  2000-10-14 21:52:56  peter
    * fixed memory leaks

  Revision 1.3  2000/09/24 15:06:24  peter
    * use defines.inc

  Revision 1.2  2000/07/13 11:32:45  michael
  + removed logs

}