public ParallelPathItem(ParallelPathItem prev, ITlaState state, ITlaTransition fromTransition, ITlaState checkerState, ITlaTransition checkerFromTransition)
: base(state, prev, fromTransition)
{
this.Prev = prev;
this.CheckerState = checkerState;
this.CheckerFromTransition = checkerFromTransition;
this.Length = prev == null ? 1 : prev.Length;
}
private PathItem RunChecker(ITlaState from, ITlaState checker, int limit)
{
var stack = new Stack <ParallelPathItem>();
stack.Push(new ParallelPathItem(null, from, null, checker, null));
Console.WriteLine("Running checker from {0}", from.Name);
while (stack.Count > 0)
{
var item = stack.Pop();
if (item.CheckerState.IsAccepting && item.State.IsAccepting)
{
return(item);
}
foreach (var modelTransition in item.State.Outgoings)
{
foreach (var checkerTransition in item.CheckerState.Outgoings)
{
if (this.TransitionConditionsIntersects(item.State, modelTransition.Condition, checkerTransition.Condition))
{
if (!item.IsAny(modelTransition.ToState) && !item.IsCheckersAny(checkerTransition.ToState))
{
var newItem = new ParallelPathItem(item, modelTransition.ToState, modelTransition, checkerTransition.ToState, checkerTransition);
Console.WriteLine("\t{0}({1}) -> {2}({3})", item.State, item.CheckerState, newItem.State, newItem.CheckerState);
if (newItem.Length % limit == 0)
{
Console.WriteLine("Traverse depth warning: {0}! Press any key to continue, B to break particular path, A to abort traversing.", newItem.Length);
switch (Console.ReadKey().Key)
{
case ConsoleKey.B: continue;
case ConsoleKey.A: return(null);
}
}
stack.Push(newItem);
}
}
}
}
}
return(null);
}
