protected internal override void Clr(CalculatorContext context, Stack <string> stack)
{
CalculatorController ctxt = context.Owner;
if (stack.Count >= 1)
{
CalculatorControllerState endState = context.State;
context.ClearState();
try
{
ctxt.Clr();
}
finally
{
context.State = endState;
}
}
else
{
context.State.Exit(context);
context.State = Map1.ErrorEmpty;
context.State.Entry(context);
}
return;
}
