org.eclipse.ocl.examples.debug.vm.evaluator

Class AbstractVMEvaluationStepper

java.lang.Object

org.eclipse.ocl.examples.debug.vm.evaluator.AbstractVMEvaluationStepper

All Implemented Interfaces:

VMEvaluationStepper

Direct Known Subclasses:

OCLVMEvaluationStepper

public abstract class AbstractVMEvaluationStepper
extends java.lang.Object
implements VMEvaluationStepper

Field Summary

Fields

Modifier and Type	Field and Description
protected EvaluationVisitor	evaluationVisitor
protected VMBreakpointManager	fBPM
protected VMSuspension	fCurrentStepMode
protected IVMDebuggerShell	fDebugShell
protected IterateBreakpointHelper	fIterateBPHelper
protected IStepperVisitor	stepperVisitor
protected VMExecutor	vmExecutor

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	AbstractVMEvaluationStepper(EvaluationVisitor evaluationVisitor, IVMContext vmContext, IStepperVisitor stepperVisitor)

Method Summary

Modifier and Type	Method and Description
protected abstract VMStackFrameData[]	createStackFrame()
protected VMSuspendEvent	createVMSuspendEvent(VMSuspension suspension)
protected void	doProcessRequest(UnitLocation location, VMRequest request)
UnitLocation	getCurrentLocation()
EvaluationVisitor	getEvaluationVisitor()
java.util.List<UnitLocation>	getLocationStack()
protected java.lang.String	getMainModuleName()
IStepperVisitor	getStepperVisitor()
VMEvaluationEnvironment	getVMEvaluationEnvironment()
VMExecutor	getVMExecutor()
protected void	handleLocationChanged(Element element, UnitLocation location, boolean isElementEnd)
protected boolean	isLargerStackDepth(UnitLocation location) Return true if a call (stack push) has occurred on location wrt the last displayed location.
protected boolean	isNewLine(UnitLocation location) Return true if a line change has occurred on location wrt the last displayed location.
protected boolean	isNewLocation(UnitLocation location) Return true if a position change has occurred on location wrrt the last displayed location.
protected boolean	isSmallerStackDepth(UnitLocation location) Return true if a return (stack pop) has occurred on location wrt the last displayed location.
protected abstract void	log(org.eclipse.core.runtime.IStatus status)
void	postIterate(LoopExp loopExp)
void	preIterate(LoopExp loopExp)
protected void	processDebugRequest(UnitLocation location)
protected void	processDeferredTasks()
protected Element	setCurrentEnvInstructionPointer(Element element)
void	start(boolean suspendOnStartup)
protected void	superProcessDeferredTasks()
protected void	suspendAndWaitForResume(UnitLocation location, VMSuspendEvent suspendEvent)
protected void	suspendAndWaitForResume(UnitLocation location, VMSuspension vmSuspension)
protected void	terminate()
protected abstract void	trace(java.lang.String option, java.lang.String message)
java.lang.Object	visiting(Element element)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

evaluationVisitor

@NonNull
protected final EvaluationVisitor evaluationVisitor

vmExecutor

@NonNull
protected final VMExecutor vmExecutor

stepperVisitor

@NonNull
protected final IStepperVisitor stepperVisitor

fDebugShell

@NonNull
protected final IVMDebuggerShell fDebugShell

fBPM

@NonNull
protected final VMBreakpointManager fBPM

fIterateBPHelper

@NonNull
protected final IterateBreakpointHelper fIterateBPHelper

fCurrentStepMode

@NonNull
protected VMSuspension fCurrentStepMode

Constructor Detail

AbstractVMEvaluationStepper

protected AbstractVMEvaluationStepper(@NonNull
                                      EvaluationVisitor evaluationVisitor,
                                      @NonNull
                                      IVMContext vmContext,
                                      @NonNull
                                      IStepperVisitor stepperVisitor)

Method Detail

createStackFrame

@NonNull
protected abstract VMStackFrameData[] createStackFrame()

createVMSuspendEvent

@NonNull
protected VMSuspendEvent createVMSuspendEvent(@NonNull
                                                        VMSuspension suspension)

doProcessRequest

protected void doProcessRequest(@NonNull
                                UnitLocation location,
                                @NonNull
                                VMRequest request)

getCurrentLocation

@NonNull
public UnitLocation getCurrentLocation()

Specified by:

getCurrentLocation in interface VMEvaluationStepper

getEvaluationVisitor

@NonNull
public EvaluationVisitor getEvaluationVisitor()

Specified by:

getEvaluationVisitor in interface VMEvaluationStepper

getLocationStack

@NonNull
public java.util.List<UnitLocation> getLocationStack()

Specified by:

getLocationStack in interface VMEvaluationStepper

getMainModuleName

@NonNull
protected java.lang.String getMainModuleName()

getStepperVisitor

@NonNull
public IStepperVisitor getStepperVisitor()

Specified by:

getStepperVisitor in interface VMEvaluationStepper

getVMEvaluationEnvironment

@NonNull
public VMEvaluationEnvironment getVMEvaluationEnvironment()

Specified by:

getVMEvaluationEnvironment in interface VMEvaluationStepper

getVMExecutor

@NonNull
public VMExecutor getVMExecutor()

Specified by:

getVMExecutor in interface VMEvaluationStepper

handleLocationChanged

protected void handleLocationChanged(@NonNull
                                     Element element,
                                     @NonNull
                                     UnitLocation location,
                                     boolean isElementEnd)

isLargerStackDepth

protected boolean isLargerStackDepth(@NonNull
                                     UnitLocation location)

Return true if a call (stack push) has occurred on location wrt the last displayed location.

isNewLine

protected boolean isNewLine(@NonNull
                            UnitLocation location)

Return true if a line change has occurred on location wrt the last displayed location.

isNewLocation

protected boolean isNewLocation(@NonNull
                                UnitLocation location)

Return true if a position change has occurred on location wrrt the last displayed location.

isSmallerStackDepth

protected boolean isSmallerStackDepth(@NonNull
                                      UnitLocation location)

Return true if a return (stack pop) has occurred on location wrt the last displayed location.

log

protected abstract void log(org.eclipse.core.runtime.IStatus status)

postIterate

public void postIterate(@NonNull
                        LoopExp loopExp)

Specified by:

postIterate in interface VMEvaluationStepper

preIterate

public void preIterate(@NonNull
                       LoopExp loopExp)

Specified by:

preIterate in interface VMEvaluationStepper

processDebugRequest

protected void processDebugRequest(@NonNull
                                   UnitLocation location)

processDeferredTasks

protected void processDeferredTasks()

setCurrentEnvInstructionPointer

protected Element setCurrentEnvInstructionPointer(Element element)

start

public void start(boolean suspendOnStartup)

Specified by:

start in interface VMEvaluationStepper

superProcessDeferredTasks

protected void superProcessDeferredTasks()

suspendAndWaitForResume

protected void suspendAndWaitForResume(@NonNull
                                       UnitLocation location,
                                       @NonNull
                                       VMSuspension vmSuspension)

suspendAndWaitForResume

protected void suspendAndWaitForResume(@NonNull
                                       UnitLocation location,
                                       @NonNull
                                       VMSuspendEvent suspendEvent)

terminate

protected void terminate()
                  throws VMInterruptedExecutionException

Throws:

VMInterruptedExecutionException

trace

protected abstract void trace(java.lang.String option,
                              java.lang.String message)

visiting

@Nullable
public java.lang.Object visiting(@NonNull
                                            Element element)

Specified by:

visiting in interface VMEvaluationStepper