/*

* 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.Thread;

using SymbianParserLib.Elements;

using SymbianParserLib.Enums;

using SymbianParserLib.BaseStructures;

namespace CrashDebuggerLib.Parsers.State.Implementation.Helpers

{

    internal class HelperDThread : HelperDObject

    {

        #region Constructors

        public HelperDThread()

        {

        }

        #endregion

        #region API

        public void CreateMonitorThread( ParserEngine aEngine, string aName, DThread aThread )

        {

            CreateMonitorThread( aEngine, aName, aThread, null );

        }

        public void CreateMonitorThread( ParserEngine aEngine, string aName, DThread aThread, ParserElementBase.ElementCompleteHandler aLastFieldHandler )

        {

            // Create DObject paragraph

            ParserParagraph para0 = base.CreateMonitorObjectParagraph( aName, aThread );

            aEngine.Add( para0 );

            // Create MState paragraphs

            ParserParagraph para1 = new ParserParagraph( aName + "_MSTATE" );

            para1.Tag = aThread;

            aEngine.Add( para1 );

            CreateThreadMState( para1, DThread.TThreadState.ECreated, "CREATED", false );

            CreateThreadMState( para1, DThread.TThreadState.EDead, "DEAD", false );

            CreateThreadMState( para1, DThread.TThreadState.EReady, "READY", false );

            CreateThreadMState( para1, DThread.TThreadState.EWaitSemaphore, "WAITSEM", true );

            CreateThreadMState( para1, DThread.TThreadState.EWaitSemaphoreSuspended, "WAITSEMS", true );

            CreateThreadMState( para1, DThread.TThreadState.EWaitMutex, "WAITMUTEX", true );

            CreateThreadMState( para1, DThread.TThreadState.EWaitMutexSuspended, "WAITMUTXS", true );

            CreateThreadMState( para1, DThread.TThreadState.EHoldMutexPending, "HOLDMUTXP", true );

            CreateThreadMState( para1, DThread.TThreadState.EWaitCondVar, "WAITCONDVAR", true );

            CreateThreadMState( para1, DThread.TThreadState.EWaitCondVarSuspended, "WAITCONDVRS", true );

            CreateThreadMState( para1, DThread.TThreadState.EUnknown, "??", true );

            // Create common thread paragraph

            ParserParagraph para2 = CreateThreadCommon( aName, aThread );

            aEngine.Add( para2 );

            // Create NThread paragraphs

            iHelper.CreateMonitorNThread( aEngine, aName + "_NTHREAD", aThread.NThread, aLastFieldHandler );

            // TODO: add support for older memory models?

        }

        #endregion

        #region Call-back methods

        void ThreadMState_ElementComplete( ParserElementBase aElement )

        {

            ParserLine line = (ParserLine) aElement;

            ParserParagraph paragraph = line.Paragraph;

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

            DThread thread = (DThread) paragraph.Tag;

            DThread.TThreadState state = (DThread.TThreadState) line.Tag;

            thread.MState = state;

        }

        public void SetThreadMStateWaitObject( ParserParagraph aParagraph, ParserLine aLine, ParserFieldName aParameterName, uint aWaitObjectAddress )

        {

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

            DThread thread = (DThread) aParagraph.Tag;

            thread.WaitObj = aWaitObjectAddress;

        }

        #endregion

        #region Internal methods

        private void CreateThreadMState( ParserParagraph aParagraph, DThread.TThreadState aState, string aMStateName, bool aCapturesWaitObject )

        {

            StringBuilder format = new StringBuilder( "Thread MState" );

            format.Append( " " + aMStateName );

            //

            if ( aCapturesWaitObject )

            {

                format.Append( " %8x" );

            }

            //

            string finalFormat = format.ToString();

            ParserLine l1 = null;

            //

            if ( aCapturesWaitObject )

            {

                l1 = ParserLine.NewSymFormat( finalFormat );

            }

            else

            {

                l1 = ParserLine.New( finalFormat );

            }

            l1.Tag = aState;

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

            //

            if ( aCapturesWaitObject )

            {

                l1[ 0 ].SetTargetMethod( this, "SetThreadMStateWaitObject" );

            }

            //

            aParagraph.Add( l1 );

        }

        private ParserParagraph CreateThreadCommon( string aName, DThread aThread )

        {

            ParserParagraph para = new ParserParagraph( aName );

            //

            ParserLine l1 = ParserLine.NewSymFormat( "Default priority %d WaitLink Priority %d\r\n" );

            l1.SetTargetProperties( aThread.Priorities, "Default", "WaitLink" );

            //

            ParserLine l2 = ParserLine.NewSymFormat( "ExitInfo %d,%d,%lS\r\n" );

            l2.SetTargetProperties( aThread.ExitInfo, "Type", "Reason", "Category" );

            //

            ParserLine l3 = ParserLine.NewSymFormat( "Flags %08x, Handles %08x\r\n" );

            l3.SetTargetProperties( aThread, "Flags", "Handles" );

            //

            ParserLine l4 = ParserLine.NewSymFormat( "Supervisor stack base %08x size %x\r\n" );

            l4.SetTargetProperties( aThread.StackInfoSupervisor, "BaseAddress", "Size" );

            //

            ParserLine l5 = ParserLine.NewSymFormat( "User stack base %08x size %x\r\n" );

            l5.SetTargetProperties( aThread.StackInfoUser, "BaseAddress", "Size" );

            //

            ParserLine l6 = ParserLine.NewSymFormat( "Id=%d, Alctr=%08x, Created alctr=%08x, Frame=%08x\r\n" );

            l6.SetTargetProperties( new object[] { aThread, aThread.AllocatorInfo, aThread.AllocatorInfo, aThread }, "Id", "Allocator", "CreatedAllocator", "Frame" );

            //

            ParserLine l7 = ParserLine.NewSymFormat( "Trap handler=%08x, ActiveScheduler=%08x, Exception handler=%08x\r\n" );

            l7.SetTargetProperties( aThread.Handlers, "TrapHandler", "ActiveScheduler", "ExceptionHandler" );

            //

            ParserLine l8 = ParserLine.NewSymFormat( "TempObj=%08x TempAlloc=%08x IpcCount=%08x\r\n" );

            l8.SetTargetProperties( new object[] { aThread.Temporaries, aThread.Temporaries, aThread }, "TempObj", "TempAlloc", "IpcCount" );

            //

            para.Add( l1, l2, l3, l4, l5, l6, l7, l8 );

            return para;

        }

        #endregion

        #region Data members

        private HelperNThread iHelper = new HelperNThread();

        #endregion

    }

}