public ExecutionState(StateImpl s, TraversalInfo predecessor, Via bt,
bool MustFingerprint)
: base(s, StateType.ExecutionState, predecessor, bt)
{
Debug.Assert(ProcessInfo != null &&
ProcessInfo.Length == NumProcesses);
stateImpl = s;
hasMultipleSuccessors = NumSuccessors() > 1;
receipt = s.CheckIn();
if (!ZingerConfiguration.DoRandomSampling)
{
if (MustFingerprint)
{
this.fingerprint = s.Fingerprint;
this.IsFingerPrinted = true;
}
else
{
this.fingerprint = null;
this.IsFingerPrinted = false;
}
}
}
public static void PrintTrace(Via[] bts)
{
int len = bts.Length;
int i;
Console.Write("{0} transitions: ", len);
for (i = 0; i < len; i++)
Console.Write(bts[i].ToString());
Console.WriteLine("");
}
public ExecutionState(StateImpl s, TraversalInfo predecessor, Via bt)
: base(s, StateType.ExecutionState, predecessor, bt)
{
Debug.Assert(ProcessInfo != null &&
ProcessInfo.Length == NumProcesses);
hasMultipleSuccessors = NumSuccessors() > 1;
stateImpl = s;
currProcess = 0;
receipt = s.CheckIn();
#if true
//dont fingerprint during random sampling
if (!ZingerConfiguration.DoRandomSampling)
{
if (ZingerConfiguration.FingerprintSingleTransitionStates)
{
if (this.NumProcesses > 1)
{
this.fingerprint = s.Fingerprint;
this.IsFingerPrinted = true;
}
else
{
// Fingerprint with probability p
if (ZingerUtilities.rand.NextDouble() <= ZingerConfiguration.NonChooseProbability)
{
this.fingerprint = s.Fingerprint;
this.IsFingerPrinted = true;
}
else
{
this.fingerprint = null;
this.IsFingerPrinted = false;
}
}
}
else
{
this.fingerprint = s.Fingerprint;
this.IsFingerPrinted = true;
}
}
#endif
}
protected override void Replay(TraversalInfo succ, Via bt)
{
ViaChoose vc = (ViaChoose)bt;
StateImpl s = this.reclaimState();
s.RunChoice(vc.ChoiceNumber);
succ.deOrphanize(s);
}
public ChooseState(StateImpl s, TraversalInfo predecessor,
Via bt, bool MustFingerprint)
: base(s, StateType.ChooseState, predecessor, bt)
{
numChoices = s.NumChoices;
stateImpl = s;
hasMultipleSuccessors = s.NumChoices > 1;
receipt = s.CheckIn();
if (!ZingerConfiguration.DoRandomSampling)
{
if (MustFingerprint)
{
fingerprint = s.Fingerprint;
this.IsFingerPrinted = true;
}
else
{
this.fingerprint = null;
this.IsFingerPrinted = false;
}
}
}
public ChooseState(StateImpl s,
TraversalInfo predecessor, Via bt)
: base(s, StateType.ChooseState, predecessor, bt)
{
numChoices = s.NumChoices;
hasMultipleSuccessors = s.NumChoices > 1;
stateImpl = s;
receipt = s.CheckIn();
if (!ZingerConfiguration.DoRandomSampling)
{
if (ZingerConfiguration.FingerprintSingleTransitionStates)
{
if (this.NumChoices > 1)
{
this.fingerprint = s.Fingerprint;
this.IsFingerPrinted = true;
}
else
{
// Fingerprint with probability p
if (ZingerUtilities.rand.NextDouble() <= ZingerConfiguration.NonChooseProbability)
{
this.fingerprint = s.Fingerprint;
this.IsFingerPrinted = true;
}
else
{
this.fingerprint = null;
this.IsFingerPrinted = false;
}
}
}
else
{
this.fingerprint = s.Fingerprint;
this.IsFingerPrinted = true;
}
}
}
protected override void Replay(TraversalInfo succ, Via bt)
{
throw new ArgumentException("cannot replay from a terminal node");
}
public TerminalState(StateImpl s, TraversalInfo pred, Via bt,
bool MustFingerprint)
: base(s, StateType.TerminalState, pred, bt)
{
hasMultipleSuccessors = false;
if (s.IsErroneous)
{
IsErroneous = true;
Error = s.Exception;
}
else if (s.IsFailedAssumption)
{
IsFailedAssumption = true;
Error = s.Exception;
}
else if (s.IsValidTermination)
{
IsValidTermination = true;
}
stateImpl = s;
receipt = s.CheckIn();
if (MustFingerprint)
{
this.fingerprint = s.Fingerprint;
this.IsFingerPrinted = true;
}
else
{
this.fingerprint = null;
this.IsFingerPrinted = false;
}
}
public TerminalState(StateImpl s, TraversalInfo pred, Via bt)
: base(s, StateType.TerminalState, pred, bt)
{
hasMultipleSuccessors = false;
if (s.IsErroneous)
{
IsErroneous = true;
Error = s.Exception;
}
else if (s.IsFailedAssumption)
{
IsFailedAssumption = true;
Error = s.Exception;
}
else if (s.IsValidTermination)
{
IsValidTermination = true;
}
stateImpl = s;
receipt = s.CheckIn();
#if true
if (ZingerConfiguration.FingerprintSingleTransitionStates)
{
// Fingerprint with probability p
if (ZingerUtilities.rand.NextDouble() <= ZingerConfiguration.NonChooseProbability)
{
this.fingerprint = s.Fingerprint;
this.IsFingerPrinted = true;
}
else
{
this.fingerprint = null;
this.IsFingerPrinted = false;
}
}
else
{
this.fingerprint = s.Fingerprint;
this.IsFingerPrinted = true;
}
#endif
}
protected override void Replay(TraversalInfo succ, Via bt)
{
ViaExecute ve = (ViaExecute)bt;
StateImpl s = this.reclaimState();
s.RunProcess(ve.ProcessExecuted);
succ.deOrphanize(s);
}
protected abstract void Replay(TraversalInfo succ, Via bt);
protected static TraversalInfo MakeTraversalInfo(StateImpl s, TraversalInfo pred,
Via bt, bool MustFingerprint)
{
if (s.IsTerminalState)
return new TerminalState(s, pred, bt, MustFingerprint);
if (s.IsChoicePending)
return new ChooseState(s, pred, bt, MustFingerprint);
if (s.IsNormalState)
return new ExecutionState(s, pred, bt, MustFingerprint);
Debug.Fail("unexpected state type");
return null;
}
protected TraversalInfo(StateImpl s, StateType st,
TraversalInfo pred, Via bt)
{
stateType = st;
Via = bt;
NumProcesses = s.NumProcesses;
ProcessInfo = s.GetProcessInfo();
events = s.GetEvents();
exception = s.Exception;
IsAcceptingState = s.IsAcceptingState;
//initialize the plugin information.
if (pred != null)
{
Predecessor = pred;
CurrentDepth = pred.CurrentDepth + 1;
zBounds = new ZingerBounds(pred.zBounds.ExecutionCost, pred.zBounds.ChoiceCost);
zBounds.IncrementDepthCost();
doDelay = false;
if (ZingerConfiguration.DoDelayBounding)
{
ZingDBSchedState = s.ZingDBSchedState;
ZingDBScheduler = s.ZingDBScheduler;
}
else if (ZingerConfiguration.DoPreemptionBounding)
{
preemptionBounding = new ZingPreemptionBounding(ProcessInfo, NumProcesses, Predecessor.preemptionBounding.currentProcess);
}
if (ZingerConfiguration.DronacharyaEnabled || ZingerConfiguration.IsPluginEnabled)
{
ZingerPlugin = s.ZingerPlugin;
ZingerPluginState = s.ZingerPluginState;
}
pred.Successor = this;
MagicBit = pred.MagicBit;
}
else
{
zBounds = new ZingerBounds();
MagicBit = false;
CurrentDepth = 0;
if (ZingerConfiguration.DoDelayBounding)
{
ZingDBSchedState = s.ZingDBSchedState.Clone(false);
ZingDBScheduler = s.ZingDBScheduler;
}
else if (ZingerConfiguration.DoPreemptionBounding)
{
preemptionBounding = new ZingPreemptionBounding(ProcessInfo, NumProcesses, 0);
}
if (ZingerConfiguration.DronacharyaEnabled || ZingerConfiguration.IsPluginEnabled)
{
ZingerPlugin = s.ZingerPlugin;
ZingerPluginState = s.ZingerPluginState.Clone();
}
}
}
