--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/crashanalysercmd/PerfToolsSharedLibraries/Engine/SymbianSymbolLib/QueryAPI/SymbolQueryAPI.cs	Thu Feb 11 15:50:58 2010 +0200
@@ -0,0 +1,203 @@
+/*
+* Copyright (c) 2004-2008 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description: 
+*
+*/
+
+using System;
+using System.Collections.Generic;
+using System.Text;
+using System.IO;
+using SymbianUtils;
+using SymbianUtils.Tracer;
+using SymbianUtils.FileTypes;
+using SymbianStructuresLib.Debug.Symbols;
+using SymbianStructuresLib.CodeSegments;
+using SymbianStructuresLib.Debug.Common.FileName;
+using SymbianSymbolLib.SourceManagement.Source;
+using SymbianSymbolLib.Relocator;
+
+namespace SymbianSymbolLib.QueryAPI
+{
+    internal class SymbolQueryAPI : IEnumerable<SymbolCollection>
+    {
+        #region Constructors
+        internal SymbolQueryAPI( SymbolRelocator aRelocator )
+		{
+            iRelocator = aRelocator;
+		}
+		#endregion
+
+        #region API
+        public bool Contains( uint aAddress )
+        {
+            // First check with the relocated/activated symbol collections,
+            // i.e. RAM-loaded code that has been fixed up.
+            bool ret = iRelocator.CollectionList.Contains( aAddress );
+            if ( ret == false )
+            {
+                // Wasn't a relocated symbol collection, so search through
+                // all sources for ROM/XIP symbols that might match.
+                foreach ( SymSource source in SourceManager )
+                {
+                    if ( source.Contains( aAddress ) )
+                    {
+                        ret = true;
+                        break;
+                    }
+                }
+            }
+            //
+            return ret;
+        }
+
+        public Symbol Lookup( uint aAddress, out SymbolCollection aCollection )
+        {
+            aCollection = null;
+
+            // First check with the relocated/activated symbol collections,
+            // i.e. RAM-loaded code that has been fixed up.
+            Symbol ret = iRelocator.CollectionList.Lookup( aAddress, out aCollection );
+            if ( ret == null && aCollection == null )
+            {
+                foreach ( SymSource source in SourceManager )
+                {
+                    if ( source.Contains( aAddress ) )
+                    {
+                        ret = source.Lookup( aAddress, out aCollection );
+                        break;
+                    }
+                }
+            }
+
+            // Tag the collection because it provided a symbol
+            if ( aCollection != null )
+            {
+                aCollection.Tagged = true;
+            }
+
+            return ret;
+        }
+
+        public SymbolCollection CollectionByAddress( uint aAddress )
+        {
+            SymbolCollection collection = null;
+            Symbol symbol = Lookup( aAddress, out collection );
+            return collection;
+        }
+        #endregion
+
+		#region Properties
+        public Symbol this[ uint aAddress ]
+        {
+            get
+            {
+                SymbolCollection collection = null;
+                Symbol ret = Lookup( aAddress, out collection );
+                return ret;
+            }
+        }
+
+        public SymbolCollection this[ CodeSegDefinition aCodeSeg ]
+        {
+            get
+            {
+                SymbolCollection ret = null;
+                SymSourceAndCollection pair = SourceManager[ aCodeSeg ];
+                if ( pair != null )
+                {
+                    ret = pair.Collection;
+                }
+                return ret;
+            }
+        }
+
+        public SymbolCollection this[ PlatformFileName aFileName ]
+        {
+            get
+            {
+                SymbolCollection ret = null;
+                //
+                foreach ( SymSource source in SourceManager )
+                {
+                    SymbolCollection col = source[ aFileName ];
+                    if ( col != null )
+                    {
+                        ret = col;
+                        break;
+                    }
+                }
+                //
+                return ret;
+            }
+        }
+		#endregion
+
+        #region Internal methods
+        internal SymSourceManager SourceManager
+        {
+            get { return iRelocator.SourceManager; }
+        }
+        #endregion
+
+        #region Internal enumerator
+        #endregion
+
+        #region From IEnumerable<SymbolCollection>
+        public IEnumerator<SymbolCollection> GetEnumerator()
+        {
+            // This gives us explicit activations
+            SymbolCollectionList list = iRelocator.CollectionList;
+            foreach ( SymbolCollection col in list )
+            {
+                yield return col;
+            }
+
+            // Next we need fixed collections
+            IEnumerable<SymbolCollection> fixedCols = iRelocator.SourceManager.GetFixedCollectionEnumerator();
+            foreach ( SymbolCollection col in fixedCols )
+            {
+                if ( col.IsFixed )
+                {
+                    yield return col;
+                }
+            }
+        }
+
+        System.Collections.IEnumerator System.Collections.IEnumerable.GetEnumerator()
+        {
+            // This gives us explicit activations
+            SymbolCollectionList list = iRelocator.CollectionList;
+            foreach ( SymbolCollection col in list )
+            {
+                yield return col;
+            }
+
+            // Next we need fixed collections
+            IEnumerable<SymbolCollection> fixedCols = iRelocator.SourceManager.GetFixedCollectionEnumerator();
+            foreach ( SymbolCollection col in fixedCols )
+            {
+                if ( col.IsFixed )
+                {
+                    yield return col;
+                }
+            }
+        }
+        #endregion
+
+        #region Data members
+        private readonly SymbolRelocator iRelocator;
+        #endregion
+    }
+}