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/*******************************************************************************
* Copyright (c) 2006, 2008 Wind River Systems 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:
* Wind River Systems - initial API and implementation
* Ericsson - Modified for additional functionality
*******************************************************************************/
package org.eclipse.cdt.dsf.debug.service;
import org.eclipse.cdt.dsf.concurrent.DataRequestMonitor;
import org.eclipse.cdt.dsf.concurrent.RequestMonitor;
import org.eclipse.cdt.dsf.datamodel.IDMContext;
import org.eclipse.cdt.dsf.datamodel.IDMData;
import org.eclipse.cdt.dsf.datamodel.IDMEvent;
import org.eclipse.cdt.dsf.datamodel.IDMService;
/**
* This interface provides access to controlling and monitoring the execution
* state of a process being debugged. This interface does not actually
* provide methods for creating or destroying execution contexts, it doesn't
* even have methods for getting labels. That's because it is expected that
* higher level services, ones that deal with processes, kernels, or target
* features will provide that functionality.
*/
public interface IRunControl extends IDMService
{
/**
* Execution context is the object on which run control operations can be
* performed. A lot of higher-level services reference this context to build
* functionality on top of it, e.g. stack, expression evaluation, registers, etc.
*/
public interface IExecutionDMContext extends IDMContext {}
/**
* Context representing a process, kernel, or some other logical container
* for execution contexts, which by itself can perform run-control
* operations.
*/
public interface IContainerDMContext extends IExecutionDMContext {}
/** Flag indicating reason context state change. */
public enum StateChangeReason { UNKNOWN, USER_REQUEST, STEP, BREAKPOINT, EXCEPTION, CONTAINER, WATCHPOINT, SIGNAL, SHAREDLIB, ERROR, EVALUATION };
/**
* Indicates that the given thread has suspended.
*/
public interface ISuspendedDMEvent extends IDMEvent<IExecutionDMContext> {
StateChangeReason getReason();
}
/**
* Indicates that the given thread has resumed.
*/
public interface IResumedDMEvent extends IDMEvent<IExecutionDMContext> {
StateChangeReason getReason();
}
/**
* Indicates that the given container has suspended.
*/
public interface IContainerSuspendedDMEvent extends ISuspendedDMEvent {
/**
* Returns the contexts which triggered the resume, which could be
* an empty array if not known.
*/
IExecutionDMContext[] getTriggeringContexts();
}
/**
* Indicates that the given container has resumed.
*/
public interface IContainerResumedDMEvent extends IResumedDMEvent {
/**
* Returns the contexts which triggered the resume, which could be an
* empty array if not known.
*/
IExecutionDMContext[] getTriggeringContexts();
}
/**
* Indicates that a new execution context was started.
*/
public interface IStartedDMEvent extends IDMEvent<IExecutionDMContext> {}
/**
* Indicates that an execution context has exited.
*/
public interface IExitedDMEvent extends IDMEvent<IExecutionDMContext> {}
/**
* Display information for an execution context.
*/
public interface IExecutionDMData extends IDMData {
StateChangeReason getStateChangeReason();
}
/**
* Retrieves execution data for given context.
* @param dmc Context to retrieve data for.
* @param rm Request completion monitor.
*/
public void getExecutionData(IExecutionDMContext dmc, DataRequestMonitor<IExecutionDMData> rm);
/**
* Returns execution contexts belonging to the given container context.
*/
public void getExecutionContexts(IContainerDMContext c, DataRequestMonitor<IExecutionDMContext[]> rm);
/*
* Run control commands. They all require the IExecutionContext object on
* which they perform the operations.
*/
void canResume(IExecutionDMContext context, DataRequestMonitor<Boolean> rm);
void canSuspend(IExecutionDMContext context, DataRequestMonitor<Boolean> rm);
boolean isSuspended(IExecutionDMContext context);
void resume(IExecutionDMContext context, RequestMonitor requestMonitor);
void suspend(IExecutionDMContext context, RequestMonitor requestMonitor);
public enum StepType { STEP_OVER, STEP_INTO, STEP_RETURN, INSTRUCTION_STEP_OVER, INSTRUCTION_STEP_INTO, INSTRUCTION_STEP_RETUTRN };
boolean isStepping(IExecutionDMContext context);
void canStep(IExecutionDMContext context, StepType stepType, DataRequestMonitor<Boolean> rm);
void step(IExecutionDMContext context, StepType stepType, RequestMonitor requestMonitor);
}
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