1 /*

     2 * Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of the License "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description: 

    15 *

    16 */

    17 package com.nokia.carbide.internal.cpp.epoc.engine.model;

    18 

    19 import com.nokia.carbide.internal.api.cpp.epoc.engine.dom.IASTNode;

    20 import com.nokia.carbide.internal.api.cpp.epoc.engine.dom.ITranslationUnitListener;

    21 import com.nokia.cpp.internal.api.utils.core.*;

    22 

    23 /**

    24  * Listen to unauthorized external changes to the TU

    25  */

    26 class TranslationUnitListener implements ITranslationUnitListener {

    27 	private boolean changesAllowed;

    28 	public void allowChanges(boolean allowed) {

    29 		Check.checkState(allowed != changesAllowed);

    30 		changesAllowed = allowed;

    31 	}

    32 	/* (non-Javadoc)

    33 	 * @see com.nokia.carbide.internal.api.cpp.epoc.engine.dom.ITranslationUnitListener#changedNode(com.nokia.carbide.internal.api.cpp.epoc.engine.dom.IASTNode)

    34 	 */

    35 	public void changedNode(IASTNode node) {

    36 		if (!changesAllowed)

    37 			throw new IllegalStateException("illegal change to translation unit outside model or view"); //$NON-NLS-1$

    38 	}

    39 	

    40 }