--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/crashanalysercmd/PerfToolsSharedLibraries/Engine/SymBuildParsingLib/Parser/PreProcessor/Workers/SymPreProcessorWorker.cs	Thu Feb 11 15:50:58 2010 +0200
@@ -0,0 +1,148 @@
+/*
+* 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;
+using SymBuildParsingLib.Tree;
+using SymBuildParsingLib.Token;
+using SymBuildParsingLib.Parser.Framework;
+using SymBuildParsingLib.Parser.Framework.Workers;
+using SymBuildParsingLib.Parser.Framework.Nodes;
+using SymBuildParsingLib.Parser.PreProcessor.Parser;
+
+namespace SymBuildParsingLib.Parser.PreProcessor.Workers
+{
+	public class SymPreProcessorWorker : SymParserWorker
+	{
+		#region Constructors & destructor
+		public SymPreProcessorWorker( SymParserWorkerContext aContext )
+			: base( aContext, 1000 )
+		{
+		}
+		#endregion
+
+		#region From SymParserWorker
+		public override SymParserWorker.TTokenConsumptionType OfferToken( SymToken aToken )
+		{
+			TTokenConsumptionType ret = TTokenConsumptionType.ETokenNotConsumed;
+			
+			#region Identify preprocessor tokens
+			if ( aToken.Class == SymToken.TClass.EClassPreProcessor ) 
+			{
+				if	( ChildCount == 0 )
+				{
+					if	( aToken.Value == "#" )
+					{
+						// Always consume initial preprocessor tokens...
+						ret = TTokenConsumptionType.ETokenConsumed;
+					}
+					else
+					{
+						// Try to find a new child worker to handle this kind
+						// of data.
+						SymParserWorker worker = CreateWorkerByTokenType( aToken );
+						//
+						if	( worker != null )
+						{
+							System.Diagnostics.Debug.WriteLine( "SymPreProcessorWorker.OfferToken() - FOUND HANDLER FOR: " + aToken.Value );
+
+							AddChild( worker );
+							ret = TTokenConsumptionType.ETokenConsumed;
+						}
+					}
+				}
+			}
+			#endregion
+
+			// Give it to the children
+			if	( ret == TTokenConsumptionType.ETokenNotConsumed )
+			{
+				// Check whether we're inside a conditional expression skip state.
+				bool allowedToOffer = Parser.ConditionalExpressionValue;
+				if	( allowedToOffer )
+				{
+					ret = base.OfferToken( aToken );
+				}
+			}
+			//
+			return ret;
+		}
+		#endregion
+
+		#region Internal methods
+		private SymParserWorker CreateWorkerByTokenType( SymToken aToken )
+		{
+			// Find a worker to handle the token type
+			SymParserWorker worker = null;
+			SymParserWorkerContext context = new SymParserWorkerContext( WorkerContext, this, aToken );
+			//
+			switch( aToken.Value )
+			{
+				// Simple preprocessor operations
+				case "define":
+					worker = new SymPreProcessorWorkerDefine( context );
+					break;
+				case "undef":
+					break;
+				case "include":
+					worker = new SymPreProcessorWorkerInclude( context );
+					break;
+
+				// Conditionality
+				case "if":
+					worker = new SymPreProcessorWorkerIf( context );
+					break;
+				case "ifdef":
+					worker = new SymPreProcessorWorkerIfdef( context );
+					break;
+				case "ifndef":
+					worker = new SymPreProcessorWorkerIfndef( context );
+					break;
+				case "else":
+					worker = new SymPreProcessorWorkerElse( context );
+					break;
+				case "elif":
+					worker = new SymPreProcessorWorkerElseIf( context );
+					break;
+				case "endif":
+					worker = new SymPreProcessorWorkerEndif( context );
+					break;
+
+				// Skip unhandled preprocessor directives
+				default:
+					worker = new SymParserWorkerConsumer( context, SymToken.TClass.EClassNewLine );
+					break;
+			}
+			//
+			return worker;
+		}
+		#endregion
+
+		#region Internal properties
+		private SymPreProcessorParser Parser
+		{
+			get
+			{
+				return (SymPreProcessorParser) WorkerContext.Parser;
+			}
+		}
+		#endregion
+
+		#region Data members
+		#endregion
+	}
+}