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/*******************************************************************************
* Copyright (c) 2004, 2010 IBM Corporation 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:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.debug.internal.ui.views.memory.renderings;
import java.math.BigInteger;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.debug.core.DebugException;
import org.eclipse.debug.core.DebugPlugin;
import org.eclipse.debug.core.model.IDebugElement;
import org.eclipse.debug.core.model.IMemoryBlock;
import org.eclipse.debug.core.model.IMemoryBlockExtension;
import org.eclipse.debug.core.model.IMemoryBlockRetrieval;
import org.eclipse.debug.core.model.IMemoryBlockRetrievalExtension;
import org.eclipse.debug.internal.ui.DebugUIMessages;
import org.eclipse.debug.internal.ui.DebugUIPlugin;
import org.eclipse.debug.internal.ui.views.memory.MemoryViewUtil;
import org.eclipse.debug.ui.DebugUITools;
import org.eclipse.debug.ui.IDebugUIConstants;
import org.eclipse.debug.ui.memory.AbstractMemoryRendering;
import org.eclipse.debug.ui.memory.IMemoryRendering;
import org.eclipse.debug.ui.memory.IMemoryRenderingContainer;
import org.eclipse.debug.ui.memory.IMemoryRenderingType;
import org.eclipse.debug.ui.memory.IRepositionableMemoryRendering;
import org.eclipse.jface.action.Action;
import org.eclipse.jface.window.Window;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.ui.PlatformUI;
/**
* Go To Address Action for table rendering
*
* @since 3.0
*/
public class GoToAddressAction extends Action
{
private IMemoryRenderingContainer fContainer;
private IRepositionableMemoryRendering fRendering;
public GoToAddressAction(IMemoryRenderingContainer container, IRepositionableMemoryRendering rendering)
{
super(DebugUIMessages.GoToAddressAction_title);
fContainer = container;
setToolTipText(DebugUIMessages.GoToAddressAction_title);
fRendering = rendering;
PlatformUI.getWorkbench().getHelpSystem().setHelp(this, IDebugUIConstants.PLUGIN_ID + ".GoToAddressAction_context"); //$NON-NLS-1$
}
/* (non-Javadoc)
* @see org.eclipse.jface.action.IAction#run()
*/
@Override
public void run()
{
try
{
Shell shell= DebugUIPlugin.getDefault().getWorkbench().getActiveWorkbenchWindow().getShell();
// create dialog to ask for expression/address to block
GoToAddressDialog dialog = new GoToAddressDialog(shell);
dialog.open();
int returnCode = dialog.getReturnCode();
if (returnCode == Window.CANCEL)
{
return;
}
// get expression from dialog
String expression = dialog.getExpression();
expression = parseExpression(expression);
doGoToAddress(expression);
}
// open error in case of any error
catch (DebugException e)
{
MemoryViewUtil.openError(DebugUIMessages.GoToAddressAction_Go_to_address_failed,
DebugUIMessages.GoToAddressAction_Go_to_address_failed, e);
}
catch (NumberFormatException e1)
{
MemoryViewUtil.openError(DebugUIMessages.GoToAddressAction_Go_to_address_failed,
DebugUIMessages.GoToAddressAction_Address_is_invalid, null);
}
}
/**
* @param expression
* @return
*/
public String parseExpression(String expression) {
expression = expression.toUpperCase();
expression = expression.trim();
if (expression.startsWith("0X")) //$NON-NLS-1$
{
expression = expression.substring(2);
}
return expression;
}
/**
* @param expression
* @throws DebugException
*/
public void doGoToAddress(String expression) throws DebugException, NumberFormatException {
// convert expression to address
BigInteger address = new BigInteger(expression, 16);
// look at this address and figure out if a new memory block should
// be opened.
IMemoryBlock mb = fRendering.getMemoryBlock();
if (mb instanceof IMemoryBlockExtension)
{
IMemoryBlockExtension mbExt = (IMemoryBlockExtension)mb;
BigInteger mbStart = mbExt.getMemoryBlockStartAddress();
BigInteger mbEnd = mbExt.getMemoryBlockEndAddress();
if (mbStart != null)
{
// if trying to go beyond the start address
// of the memory block
if (address.compareTo(mbStart) < 0)
{
IMemoryBlockRetrieval retrieval = MemoryViewUtil.getMemoryBlockRetrieval(mbExt);
// add a new memory block and then the same rendering as fRendering
// in the same container.
if (retrieval != null && retrieval instanceof IMemoryBlockRetrievalExtension)
{
addNewMemoryBlock(expression, (IMemoryBlockRetrievalExtension)retrieval);
return;
}
}
}
if (mbEnd != null)
{
// if trying to go beyond the end address
// of the memory block
if (address.compareTo(mbEnd) > 0)
{
IMemoryBlockRetrieval retrieval = MemoryViewUtil.getMemoryBlockRetrieval(mbExt);
// add a new memory block and then the same rendering as fRendering
// in the same container.
if (retrieval != null && retrieval instanceof IMemoryBlockRetrievalExtension)
{
addNewMemoryBlock(expression, (IMemoryBlockRetrievalExtension)retrieval);
return;
}
}
}
}
// go to specified address
fRendering.goToAddress(address);
}
private void addNewMemoryBlock(String expression, IMemoryBlockRetrievalExtension retrieval)
{
Object elem = DebugUITools.getPartDebugContext(fContainer.getMemoryRenderingSite().getSite());
if (!(elem instanceof IDebugElement))
return;
try {
if (retrieval != null)
{
IMemoryBlockExtension mbext = retrieval.getExtendedMemoryBlock(expression, elem);
if (mbext != null)
{
IMemoryBlock[] memArray = new IMemoryBlock[]{mbext};
DebugPlugin.getDefault().getMemoryBlockManager().addMemoryBlocks(memArray);
}
IMemoryRenderingType renderingType = DebugUITools.getMemoryRenderingManager().getRenderingType(fRendering.getRenderingId());
if (renderingType != null)
{
IMemoryRendering rendering = renderingType.createRendering();
if (rendering != null && fRendering instanceof AbstractMemoryRendering)
{
rendering.init(((AbstractMemoryRendering)fRendering).getMemoryRenderingContainer(), mbext);
((AbstractMemoryRendering)fRendering).getMemoryRenderingContainer().addMemoryRendering(rendering);
}
}
}
} catch (DebugException e) {
MemoryViewUtil.openError(DebugUIMessages.GoToAddressAction_Go_to_address_failed,
DebugUIMessages.GoToAddressAction_Go_to_address_failed, e);
} catch (CoreException e)
{
MemoryViewUtil.openError(DebugUIMessages.GoToAddressAction_Go_to_address_failed,
DebugUIMessages.GoToAddressAction_Go_to_address_failed, e);
}
}
}
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