/*

* 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 SymbianParserLib.Engine;

using CrashDebuggerLib.Structures.KernelObjects;

using CrashDebuggerLib.Structures.Process;

using CrashDebuggerLib.Structures.CodeSeg;

using CrashDebuggerLib.Structures.Register;

using CrashDebuggerLib.Structures.Thread;

using CrashDebuggerLib.Structures.NThread;

using SymbianParserLib.Elements;

using SymbianParserLib.Enums;

using SymbianParserLib.BaseStructures;

namespace CrashDebuggerLib.Parsers.State.Implementation.Helpers

{

    internal class HelperNThread

    {

        #region Constructors

        public HelperNThread()

        {

        }

        #endregion

        #region API

        public void CreateMonitorNThread( ParserEngine aEngine, string aName, NThread aThread )

        {

            CreateMonitorNThread( aEngine, aName, aThread, null );

        }

        public void CreateMonitorNThread( ParserEngine aEngine, string aName, NThread aThread, ParserElementBase.ElementCompleteHandler aLastFieldHandler )

        {

            // Create MState lines

            ParserParagraph para0 = new ParserParagraph( aName + "_NSTATE" );

            para0.Tag = aThread;

            CreateThreadNState( para0, aThread, "READY", false );

            CreateThreadNState( para0, aThread, "SUSPENDED", false );

            CreateThreadNState( para0, aThread, "WAITFSEM", true );

            CreateThreadNState( para0, aThread, "SLEEP", false );

            CreateThreadNState( para0, aThread, "BLOCKED", false );

            CreateThreadNState( para0, aThread, "DEAD", false );

            CreateThreadNState( para0, aThread, "WAITDFC", false );

            CreateThreadNState( para0, aThread, "??", true );

            aEngine.Add( para0 );

            ParserParagraph para1 = CreateThreadCommon( aName, aThread );

            aEngine.Add( para1 );

            CreateRegisterParagraphs( aEngine, aThread, aLastFieldHandler );

            // TODO: add support for older memory models?

        }

        #endregion

        #region Call-back methods

        public void SetThreadNStateWaitObject( ParserParagraph aParagraph, ParserFieldName aParameterName, uint aWaitObjectAddress )

        {

            System.Diagnostics.Debug.Assert( aParagraph.Tag is NThread );

            NThread thread = (NThread) aParagraph.Tag;

            thread.WaitObj = aWaitObjectAddress;

        }

        #endregion

        #region Event handlers

        void NThreadState_ElementComplete( ParserElementBase aElement )

        {

            ParserLine line = (ParserLine) aElement;

            System.Diagnostics.Debug.Assert( line.Tag is NThread.TNThreadState );

            NThread.TNThreadState state = (NThread.TNThreadState) line.Tag;

            ParserParagraph paragraph = line.Paragraph;

            System.Diagnostics.Debug.Assert( paragraph.Tag is NThread );

            NThread thread = (NThread) paragraph.Tag;

            thread.NState = state;

        }

        #endregion

        #region Internal methods

        private void CreateThreadNState( ParserParagraph aParagraph, NThread aThread, string aNStateName, bool aCapturesWaitObject )

        {

            StringBuilder format = new StringBuilder( "NThread @ %8x Pri %d NState " + aNStateName );

            //

            if ( aCapturesWaitObject )

            {

                format.Append( " %8x" );

            }

            format.Append( "\r\n" );

            //

            //

            string finalFormat = format.ToString();

            NThread.TNThreadState state = NThread.NStateFromString( aNStateName );

            ParserLine l1 = ParserLine.NewSymFormat( finalFormat );

            l1.Tag = state;

            //

            l1[ 0 ].SetTargetProperty( aThread, "Address" );

            l1[ 1 ].SetTargetProperty( aThread, "Priority" );

            //

            if ( aCapturesWaitObject )

            {

                l1[ 2 ].SetTargetMethod( this, "SetThreadNStateWaitObject" );

            }

            //

            l1.ElementComplete += new ParserElementBase.ElementCompleteHandler( NThreadState_ElementComplete );

            aParagraph.Add( l1 );

        }

        private ParserParagraph CreateThreadCommon( string aName, NThread aThread )

        {

            ParserParagraph para = new ParserParagraph( aName );

            //

            ParserLine l1 = ParserLine.NewSymFormat( "Next=%08x Prev=%08x Att=%02x\r\n" );

            l1.SetTargetProperties( new object[] { aThread.LinkedListInfo, aThread.LinkedListInfo, aThread }, "Next", "Previous", "Attributes" );

            //

            ParserLine l2 = ParserLine.NewSymFormat( "HeldFM=%08x WaitFM=%08x AddrSp=%08x\r\n" );

            l2.SetTargetProperties( new object[] { aThread.MutexInfo, aThread.MutexInfo, aThread }, "HeldAddress", "WaitAddress", "AddressSpace" );

            //

            ParserLine l3 = ParserLine.NewSymFormat( "Time=%d Timeslice=%d ReqCount=%d\r\n" );

            l3.SetTargetProperties( new object[] { aThread.TimeInfo, aThread.TimeInfo, aThread.CountInfo }, "Time", "Timeslice", "RequestSemaphoreCount" );

            //

            ParserLine l4 = ParserLine.NewSymFormat( "LastStartTime=%08x TotalCpuTime=%lx Tag=%08x\r\n" );

            l4.SetTargetProperties( aThread.TimeInfo, "LastStartTime", "TotalCpuTime", "Tag" );

            //

            ParserLine l5 = ParserLine.NewSymFormat( "ReturnValue=%d, UCT=%d\r\n" );

            l5.SetTargetProperties( aThread, "ReturnValue", "UserContextType" );

            //

            ParserLine l6 = ParserLine.NewSymFormat( "SuspendCount=%d CsCount=%d CsFunction=%08x\r\n" );

            l6.SetTargetProperties( aThread.CountInfo, "SuspendCount", "CsCount", "CsFunctionRaw" );

            //

            ParserLine l7 = ParserLine.NewSymFormat( "SavedSP=%08x ExtraContext=%08x ExtraContextSize=%08x\r\n" );

            l7.SetTargetProperties( new object[] { aThread, aThread.ExtraContextInfo, aThread.ExtraContextInfo }, "SavedSP", "ExtraContext", "ExtraContextSizeRaw" );

            //

            para.Add( l1, l2, l3, l4, l5, l6, l7 );

            return para;

        }

        private void CreateRegisterParagraphs( ParserEngine aEngine, NThread aThread, ParserElementBase.ElementCompleteHandler aLastFieldHandler )

        {

            {

            ParserParagraph para = new ParserParagraph( "NTHREAD_REGS1" );

            para.SetTargetMethod( aThread.Registers, "Add" );

            ParserLine l1 = ParserLine.NewSymFormat( "FPEXC %08x\r\n" );

            ParserLine l2 = ParserLine.NewSymFormat( "CAR %08x\r\n" );

            ParserLine l3 = ParserLine.NewSymFormat( "DACR %08x\r\n" );

            para.Add( l1, l2, l3 );

            aEngine.Add( para );

            }

            {

            ParserParagraph para = new ParserParagraph( "NTHREAD_REGS2" );

            para.SetTargetMethod( aThread.Registers, "Add" );

            ParserLine l1 = ParserLine.NewSymFormat( "R13_USR %08x R14_USR %08x SPSR_SVC %08x\r\n" );

            ParserLine l2 = ParserLine.NewSymFormat( " R4 %08x  R5 %08x  R6 %08x  R7 %08x\r\n" );

            ParserLine l3 = ParserLine.NewSymFormat( " R8 %08x  R9 %08x R10 %08x R11 %08x\r\n" );

            ParserLine l4 = ParserLine.NewSymFormat( " PC %08x\r\n" );

            //

            if ( aLastFieldHandler != null )

            {

                l4[ 0 ].ElementComplete += new ParserElementBase.ElementCompleteHandler( aLastFieldHandler );

            }

            //

            para.Add( l1, l2, l3, l4 );

            aEngine.Add( para );

            }

        }

        #endregion

    }

}