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/*******************************************************************************
* Copyright (c) 2010, 2012 Freescale Semiconductor and others.
*
* This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* Freescale Semiconductor - initial API and implementation
*******************************************************************************/
package org.eclipse.cdt.debug.core;
import org.eclipse.debug.core.IRequest;
/**
* View model types for which the "Add Watchpoint (C/C++)" action is applicable
* should implement this interface. The action is a popupMenu/objectContribution
* that targets this type.
*
* @since 7.2
*/
public interface ICWatchpointTarget {
/** IRequest object used in the asynchronous method {@link ICWatchpointTarget#getSize()} */
interface GetSizeRequest extends IRequest {
int getSize(); // returns -1 if size not available
void setSize(int size);
}
interface CanCreateWatchpointRequest extends IRequest {
boolean getCanCreate();
void setCanCreate(boolean value);
}
/**
* Determine if a watchpoint can be set on the element. The result does not
* guarantee an attempt to set such a watchpoint will succeed. This is
* merely a way to find out whether it makes sense to even attempt it. For
* example, an expression that's not an l-value should return false. The
* implementation may choose to go even further and check that the target
* supports watchpoints (at all or at that particular location).
*/
void canSetWatchpoint(CanCreateWatchpointRequest request);
/**
* Get the expression or the name of the variable
*/
String getExpression();
/**
* Asynchronous method to retrieve the size of the variable/expression, in
* bytes.
*
* @param request
* the async request object
*/
void getSize(GetSizeRequest request);
}
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