crashanalysercmd/PerfToolsSharedLibraries/Engine/SymBuildParsingLib/Parser/Framework/Document/SymParserDocument.cs
/*
* 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 SymbianTree;
namespace SymBuildParsingLib.Parser.Framework.Document
{
public abstract class SymParserDocument : SymDocument
{
#region Constructors & destructor
public SymParserDocument( SymParserDocumentContext aContext )
{
aContext.Document = this;
iContextStack.Push( aContext );
}
#endregion
#region API
public void PushContext( SymParserDocumentContext aContext )
{
iContextStack.Push( aContext );
}
public SymParserDocumentContext PopContext()
{
SymParserDocumentContext top = (SymParserDocumentContext) iContextStack.Peek();
return PopContext( top );
}
public SymParserDocumentContext PopContext( SymParserDocumentContext aExpected )
{
// Can't pop off the last context
System.Diagnostics.Debug.Assert( iContextStack.Count > 1 );
SymParserDocumentContext top = (SymParserDocumentContext) iContextStack.Peek();
//
if ( aExpected.Equals( aExpected ) == false )
{
throw new ArgumentException( "Cannot pop context - expectations not met during pop operation" );
}
//
iContextStack.Pop();
return top;
}
#endregion
#region Properties
public SymParserDocumentContext Context
{
get
{
System.Diagnostics.Debug.Assert( iContextStack.Count > 0 );
SymParserDocumentContext ret = (SymParserDocumentContext) iContextStack.Peek();
return ret;
}
}
#endregion
#region Data members
private Stack iContextStack = new Stack();
#endregion
}
}