/*

* 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.Text;

using System.Collections.Generic;

using SymbianDebugLib.Engine;

using SymbianDebugLib.PluginAPI.Types.Symbol;

using SymbianStructuresLib.Arm.Registers;

using CrashItemLib.Crash;

using CrashItemLib.Crash.Base;

using CrashItemLib.Crash.Base.DataBinding;

using CrashItemLib.Crash.Registers;

using CrashItemLib.Crash.Symbols;

using CrashItemLib.Crash.Threads;

using CrashItemLib.Crash.Processes;

namespace CrashItemLib.Crash.Registers

{

    public class CIRegister : CIElement

	{

		#region Constructors

        public CIRegister( CIRegisterList aList, TArmRegisterType aType, uint aValue )

            : this( aList, aType, ArmRegister.GetTypeName( aType ), aValue )

        {

        }

        public CIRegister( CIRegisterList aList, TArmRegisterType aType, string aName, uint aValue )

            : base( aList.Container )

		{

            iList = aList;

            // Create register and observe when it changes value

            iRegister = new ArmRegister( aType, aName, aValue );

            iRegister.Tag = this;

            // Prepare non-resolved symbol. I.e. this saves the address

            // but doesn't actually do any symbolic look up at this stage.

            ICISymbolManager symbolManager = this.SymbolManager;

            CISymbol symbol = symbolManager.SymbolDictionary.Register( iRegister.Value );

            base.AddChild( symbol );

        }

		#endregion

        #region API

        #endregion

        #region Properties

        public override string Name

        {

            get { return TypeName; }

        }

        public TArmRegisterType Type

        {

            get { return Register.RegType; }

        }

        public TArmRegisterBank Bank

        {

            get { return iList.Bank; }

        }

        public string TypeName

        {

            get { return Register.OriginalName; }

        }

        public uint Value

        {

            get { return Register.Value; }

            set 

            {

                // Update register value and also symbol

                iRegister.Value = value;

                // Refresh symbol registration

                ICISymbolManager symbolManager = this.SymbolManager;

                symbolManager.SymbolDictionary.RefreshRegistration( this, value, this.Symbol );

            }

        }

        public ArmRegister Register

        {

            get { return iRegister; }

        }

        public CISymbol Symbol

        {

            get { return base.ChildByType( typeof( CISymbol ) ) as CISymbol; }

        }

        public CIThread OwningThread

        {

            get

            {

                CIThread ret = null;

                //

                if ( iList.OwningThread != null )

                {

                    ret = iList.OwningThread;

                }

                //

                return ret;

            }

        }

        public CIProcess OwningProcess

        {

            get

            {

                CIProcess ret = null;

                //

                if ( OwningThread != null )

                {

                    ret = OwningThread.OwningProcess;

                }

                //

                return ret;

            }

        }

        internal ICISymbolManager SymbolManager

        {

            get

            {

                ICISymbolManager ret = base.Container;

                //

                CIProcess process = this.OwningProcess;

                if ( process != null )

                {

                    ret = process;

                }

                //

                return ret;

            }

        }

        #endregion

        #region Operators

        public static implicit operator ArmRegister( CIRegister aRegister )

        {

            return aRegister.Register;

        }

        public static implicit operator uint( CIRegister aRegister )

        {

            return aRegister.Register.Value;

        }

        public static implicit operator CIDBRow( CIRegister aRegister )

        {

            CIDBRow row = new CIDBRow();

            // To ensure that the register and cells are correctly associated

            row.Element = aRegister;

            row.Add( new CIDBCell( aRegister.TypeName ) );

            row.Add( new CIDBCell( aRegister.Value.ToString("x8") ) );

            row.Add( new CIDBCell( aRegister.Symbol.Name ) );

            //

            return row;

        }

        #endregion

        #region From System.Object

        public override string ToString()

        {

            return iRegister.ToString();

        }

        #endregion

        #region From CIElement

        internal override void DoFinalize( CIElementFinalizationParameters aParams, Queue<CIElement> aCallBackLast, bool aForceFinalize )

        {

            base.DoFinalize( aParams, aCallBackLast, aForceFinalize );

        }

        #endregion

        #region Data members

        private readonly CIRegisterList iList;

        private readonly ArmRegister iRegister;

        #endregion

    }

}