crashanalysercmd/PerfToolsSharedLibraries/Engine/SymBuildParsingLib/Parser/Framework/Document/SymParserDocument.cs
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/crashanalysercmd/PerfToolsSharedLibraries/Engine/SymBuildParsingLib/Parser/Framework/Document/SymParserDocument.cs Thu Feb 11 15:50:58 2010 +0200
@@ -0,0 +1,78 @@
+/*
+* 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
+ }
+}