--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/crashanalysercmd/PerfToolsSharedLibraries/Engine/SymbianETMLib/Common/State/Implementations/ETMDecodeStateBranch.cs	Thu Feb 11 15:50:58 2010 +0200
@@ -0,0 +1,119 @@
+/*
+* Copyright (c) 2009 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 SymbianUtils.BasicTypes;
+using SymbianStructuresLib.Arm;
+using SymbianStructuresLib.Arm.Exceptions;
+using SymbianETMLib.Common.Types;
+using SymbianETMLib.Common.Packets;
+using SymbianETMLib.Common.Utilities;
+using SymbianETMLib.Common.BranchDecoder;
+
+namespace SymbianETMLib.Common.State
+{
+    public class ETMDecodeStateBranch : ETMDecodeState
+    {
+        #region Constructors
+        public ETMDecodeStateBranch( ETMStateData aManager )
+            : base( aManager )
+        {
+            iDecoder = ETMBranchDecoder.New( aManager );
+        }
+        #endregion
+
+        #region API
+        public override ETMDecodeState HandleByte( SymByte aByte )
+        {
+            // Handle the byte
+            PerformStateOperation( aByte );
+
+            // Decide what to return based upon current state
+            ETMDecodeState nextState = this;
+            if ( iState == TState.EStateFinished )
+            {
+                iDecoder.FlushChanges();
+                nextState = new ETMDecodeStateSynchronized( base.StateData );
+            }
+
+            // Done.
+            return nextState;
+        }
+        #endregion
+
+        #region Properties
+        #endregion
+
+        #region Internal state handler
+        private enum TState
+        {
+            EStateBranch = 0,
+            EStateExceptionContinuation,
+            EStateFinished
+        }
+
+        private void PerformStateOperation( SymByte aByte )
+        {
+            switch ( iState )
+            {
+            case TState.EStateBranch:
+            {
+                iDecoder.Offer( aByte );
+
+                // Decode the branch if we have all the info we need
+                if ( iDecoder.IsBranchAddressAvailable )
+                {
+                    iDecoder.DecodeBranch();
+
+                    // Check if we expect an exception byte
+                    if ( iDecoder.IsPacketComplete )
+                    {
+                        // Nope, we're done
+                        iState = TState.EStateFinished;
+                    }
+                    else
+                    {
+                        iState = TState.EStateExceptionContinuation;
+                    }
+                }
+                break;
+            }
+            case TState.EStateExceptionContinuation:
+            {
+                iDecoder.DecodeException( aByte );
+                iState = TState.EStateFinished;
+                break;
+            }
+            default:
+            case TState.EStateFinished:
+                System.Diagnostics.Debug.Assert( false );
+                break;
+            }
+        }
+        #endregion
+
+        #region Internal methods
+        #endregion
+
+        #region Data members
+        private readonly ETMBranchDecoder iDecoder;
+        private TState iState = TState.EStateBranch;
+        #endregion
+    }
+}