crashanalysercmd/PerfToolsSharedLibraries/Engine/SymBuildParsingLib/Parser/PreProcessor/Workers/SymPreProcessorWorkerEndif.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) 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 SymBuildParsingLib.Tree;
using SymBuildParsingLib.Parser.Framework;
using SymBuildParsingLib.Parser.Framework.Nodes;
using SymBuildParsingLib.Parser.Framework.Workers;
using SymBuildParsingLib.Parser.PreProcessor.Parser;
namespace SymBuildParsingLib.Parser.PreProcessor.Workers
{
public class SymPreProcessorWorkerEndif : SymParserWorker
{
#region Constructors & destructor
public SymPreProcessorWorkerEndif( SymParserWorkerContext aContext )
: base( aContext )
{
// When the endif token is reached, we must work back up the tree
// looking for the previous (i.e. most recent) conditional expression
// node.
SymNodeConditionalExpression condExpNode = SymParserWorkerConditionalExpression.FindMostRecentConditionalExpression( aContext.Document.CurrentNode );
if ( condExpNode == null )
{
throw new Exception( "Unable to locate most recent condition expression during ENDIF handling" );
}
// There must always be a positive condition node and some kind of condition
if ( condExpNode.ChildTypeExists( typeof(SymNodeCondition) ) == false )
{
throw new Exception( "No child condition node found during ENDIF handling" );
}
// We change the current node to be the parent of the conditional expression.
// Any new tokens will appear as siblings
aContext.Document.CurrentNode = condExpNode.Parent;
// Make sure we tell the parser that it can pop off this conditional expression node.
SymPreProcessorParser parser = (SymPreProcessorParser) aContext.Parser;
SymNodeConditionalExpression poppedExpression = parser.ConditionalExpressionPop();
System.Diagnostics.Debug.Assert( poppedExpression == condExpNode );
// Job done - dequeue
RemoveSelf();
}
#endregion
}
}