diff -r 8e12a575a9b5 -r 15296fd0af4a sysperfana/heapanalyser/Libraries/Engine/HeapLib/Statistics/Tracking/Base/TrackingInfo.cs
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/sysperfana/heapanalyser/Libraries/Engine/HeapLib/Statistics/Tracking/Base/TrackingInfo.cs	Tue Jun 15 12:47:20 2010 +0300
@@ -0,0 +1,169 @@
+/*
+* Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+*
+* Redistribution and use in source and binary forms, with or without
+* modification, are permitted provided that the following conditions are met:
+*
+* - Redistributions of source code must retain the above copyright notice,
+*   this list of conditions and the following disclaimer.
+* - 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.
+* - Neither the name of Nokia Corporation 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 THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT HOLDER OR 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.
+* 
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description: 
+*
+*/
+
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using SymbianStructuresLib.Debug.Symbols;
+using SymbianStructuresLib.Debug.Symbols.Constants;
+using HeapLib.Cells;
+using HeapLib.Array;
+
+namespace HeapLib.Statistics.Tracking.Base
+{
+    public class TrackingInfo : IEnumerable<HeapCell>
+    {
+        #region Static 'Null Entry' item
+        internal static TrackingInfo CreateNull()
+        {
+            Symbol defaultSym = Symbol.NewDefault();
+            TrackingInfo self = new TrackingInfo( defaultSym );
+            return self;
+        }
+        #endregion
+
+        #region Constructors & destructor
+        internal TrackingInfo( Symbol aSymbol )
+        {
+            iSymbol = aSymbol;
+        }
+        #endregion
+
+        #region Methods
+        internal void Associate( HeapCell aCell )
+        {
+            // Don't track cell associations for items
+            // without symbols.
+            if  ( aCell.Symbol != null )
+            {
+                iAssociatedCells.Add( aCell );
+            }
+
+            // Then we'll update the rest of the details
+            // for all types.
+            IncrementCount();
+            iAssociatedMemory += aCell.Length;
+        }
+
+        internal void IncrementCount()
+        {
+            ++iCount;
+        }
+        #endregion
+
+        #region Properties
+        public int AssociatedCellCount
+        {
+            get { return iAssociatedCells.Count; }
+        }
+
+        internal long Key
+        {
+            get
+            {
+                long key = SymbolConstants.KNullEntryAddress;
+                //
+                if ( !IsUnknownSymbolMatchItem )
+                {
+                    key = iSymbol.Address;
+                }
+                //
+                return key;
+            }
+        }
+
+        public bool IsUnknownSymbolMatchItem
+        {
+            get { return iSymbol == null; }
+        }
+
+        public Symbol Symbol
+        {
+            get { return iSymbol; }
+        }
+
+        public int Count
+        {
+            get { return iCount; }
+        }
+
+        public long AssociatedMemory
+        {
+            get { return iAssociatedMemory; }
+        }
+
+        public long PayloadLength
+        {
+            get { return iPayloadLength; }
+            set { iPayloadLength = value; }
+        }
+
+        public HeapCell this[ int aIndex ]
+        {
+            get { return iAssociatedCells[ aIndex ]; }
+        }
+        #endregion
+
+        #region From System.Object
+        public override string ToString()
+        {
+            string ret = iSymbol.ToString();
+            return ret;
+        }
+        #endregion
+
+        #region IEnumerable Members
+        IEnumerator IEnumerable.GetEnumerator()
+        {
+            return iAssociatedCells.CreateEnumerator();
+        }
+
+        IEnumerator<HeapCell> IEnumerable<HeapCell>.GetEnumerator()
+        {
+            return iAssociatedCells.CreateEnumerator();
+        }
+        #endregion
+
+        #region Data Members
+        private Symbol iSymbol = null;
+        private int iCount = 0;
+        private long iAssociatedMemory = 0;
+        private long iPayloadLength = 0;
+        private HeapCellArray iAssociatedCells = new HeapCellArray( 10 );
+        #endregion
+    }
+}