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/*******************************************************************************
* Copyright (c) 2010 Freescale Semiconductor. and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Freescale Semiconductor - initial API and implementation
* Axel Mueller - Bug 306555 - Add support for cast to type / view as array (IExpressions2)
*******************************************************************************/
package org.eclipse.cdt.dsf.gdb.internal.ui.viewmodel;
import org.eclipse.cdt.dsf.debug.internal.ui.viewmodel.DsfCastToTypeSupport;
import org.eclipse.cdt.dsf.debug.ui.viewmodel.variable.SyncVariableDataAccess;
import org.eclipse.cdt.dsf.debug.ui.viewmodel.variable.VariableVMNode;
import org.eclipse.cdt.dsf.debug.ui.viewmodel.variable.VariableVMProvider;
import org.eclipse.cdt.dsf.service.DsfSession;
import org.eclipse.cdt.dsf.ui.viewmodel.AbstractVMAdapter;
import org.eclipse.cdt.dsf.ui.viewmodel.IRootVMNode;
import org.eclipse.cdt.dsf.ui.viewmodel.IVMNode;
import org.eclipse.cdt.dsf.ui.viewmodel.datamodel.RootDMVMNode;
import org.eclipse.debug.internal.ui.viewers.model.provisional.IPresentationContext;
/**
* A specialization of VariableVMProvider that uses a GDB-specific variable VM
* node. To understand why this is necessary, see GdbVariableVMNode.
*/
@SuppressWarnings("restriction")
public class GdbVariableVMProvider extends VariableVMProvider {
/**
* Constructor (passthru)
*/
public GdbVariableVMProvider(AbstractVMAdapter adapter,
IPresentationContext context, DsfSession session) {
super(adapter, context, session);
}
/* (non-Javadoc)
* @see org.eclipse.cdt.dsf.debug.ui.viewmodel.variable.VariableVMProvider#configureLayout(org.eclipse.cdt.dsf.debug.ui.viewmodel.variable.SyncVariableDataAccess)
*/
@Override
protected void configureLayout() {
// Create the variable data access routines.
SyncVariableDataAccess varAccess = new SyncVariableDataAccess(getSession()) ;
// Create the top level node to deal with the root selection.
IRootVMNode rootNode = new RootDMVMNode(this);
setRootNode(rootNode);
// Create the next level which represents members of structs/unions/enums and elements of arrays.
IVMNode subExpressioNode = new GdbVariableVMNode(this, getSession(), varAccess);
addChildNodes(rootNode, new IVMNode[] { subExpressioNode });
/* Wire up the casting support. IExpressions2 service is always available
* for gdb. No need to call hookUpCastingSupport */
((VariableVMNode) subExpressioNode).setCastToTypeSupport(
new DsfCastToTypeSupport(getSession(), GdbVariableVMProvider.this, varAccess));
// Configure the sub-expression node to be a child of itself. This way the content
// provider will recursively drill-down the variable hierarchy.
addChildNodes(subExpressioNode, new IVMNode[] { subExpressioNode });
}
}
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