public bool PrtPopState(bool isPopStatement)
{
Debug.Assert(stateStack.TopOfStack != null);
//pop stack
stateStack.PopStackFrame();
if (stateStack.TopOfStack == null)
{
if (isPopStatement)
{
throw new PrtInvalidPopStatement();
}
//TODO : Handle the monitor machine case separately for the halt event
else if (eventValue.IsEqual(PrtValue.HaltEvent))
{
throw new PrtUnhandledEventException();
}
else
{
currentStatus = PrtMachineStatus.Halted;
}
}
return(currentStatus == PrtMachineStatus.Halted);
}
public bool PrtPopState(bool isPopStatement)
{
Debug.Assert(stateStack.TopOfStack != null);
//pop stack
stateStack.PopStackFrame();
if (stateStack.TopOfStack == null)
{
if (isPopStatement)
{
throw new PrtInvalidPopStatement();
}
//TODO : Handle the spec machine case separately for the halt event
else if (!eventValue.Equals(PrtValue.halt))
{
throw new PrtUnhandledEventException(string.Format("{0} failed to handle {1}", Name, eventValue.ToString()));
}
else
{
stateImpl.TraceLine("<HaltLog> Machine {0}-{1} HALTED", this.Name, this.instanceNumber);
currentStatus = PrtMachineStatus.Halted;
}
}
return(currentStatus == PrtMachineStatus.Halted);
}
public bool PrtPopState(bool isPopStatement)
{
Debug.Assert(stateStack.TopOfStack != null);
//pop stack
stateStack.PopStackFrame();
if (stateStack.TopOfStack == null)
{
if (isPopStatement)
{
throw new PrtInvalidPopStatement();
}
//TODO : Handle the spec machine case separately for the halt event
else if (!eventValue.Equals(PrtValue.halt))
{
throw new PrtUnhandledEventException(string.Format("{0} failed to handle event {1}", Name, eventValue.ToString()));
}
else
{
if (this as PrtImplMachine != null)
{
stateImpl.TraceLine("<HaltLog> Machine {0}-{1} HALTED with {2} events in the queue", this.Name, this.instanceNumber, (((PrtImplMachine)this).eventQueue).Size());
}
else
{
//SpecMachine case:
//TODO: is it possible to send "halt" event to a spec machine?
stateImpl.TraceLine("<HaltLog> Machine {0}-{1} HALTED", this.Name, this.instanceNumber);
}
currentStatus = PrtMachineStatus.Halted;
}
}
return(currentStatus == PrtMachineStatus.Halted);
}
public PrtMachine()
{
this.instanceNumber = 0;
this.fields = new List <PrtValue>();
this.eventValue = PrtValue.NullValue;
this.stateStack = new PrtStateStack();
this.invertedFunStack = new PrtFunStack();
this.continuation = new PrtContinuation();
this.currentTrigger = PrtValue.NullValue;
this.currentPayload = PrtValue.NullValue;
this.currentStatus = PrtMachineStatus.Enabled;
this.nextSMOperation = PrtNextStatemachineOperation.EntryOperation;
this.stateExitReason = PrtStateExitReason.NotExit;
this.stateImpl = null;
}
public PrtMachine()
{
this.instanceNumber = 0;
this.fields = new List <PrtValue>();
this.eventValue = PrtValue.@null;
this.stateStack = new PrtStateStack();
this.invertedFunStack = new PrtFunStack();
this.continuation = new PrtContinuation();
this.currentTrigger = PrtValue.@null;
this.currentPayload = PrtValue.@null;
this.currentStatus = PrtMachineStatus.Enabled;
this.nextSMOperation = PrtNextStatemachineOperation.ExecuteFunctionOperation;
this.stateExitReason = PrtStateExitReason.NotExit;
this.sends = new List <PrtEventValue>();
this.stateImpl = null;
this.renamedName = null;
this.isSafe = false;
}
