crashanalysercmd/PerfToolsSharedLibraries/Engine/SymbianETMLib/Common/State/Implementations/ETMDecodeStateBranch.cs
Version 1.0.13. The most important changes are:
-detailed defect hash added
-panic descriptions updated
-release build is working
-simple command line usage added
/*
* 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
}
}