public virtual IVisitable visit(IVisitable any) // throws VisitFailure
{
int childCount = any.getChildCount();
for (int i = 0; i < childCount; i++)
{
try
{
return any.setChildAt(i,v.visit(any.getChildAt(i)));
}
catch(VisitFailure) {}
}
throw new VisitFailure();
}
// throws VisitFailure
public virtual IVisitable visit(IVisitable x)
{
try
{
return v.visit(x);
}
catch (VisitFailure) {}
int childCount = x.getChildCount();
for (int i = 0; i < childCount; i++)
{
pending.Enqueue(x.getChildAt(i));
}
if (pending.Count != 0)
{
IVisitable next = (IVisitable) pending.Dequeue();
next = this.visit(next);
}
return x;
}
// throws VisitFailure
public virtual IVisitable visit(IVisitable any)
{
int childCount = any.getChildCount();
int successCount = 0;
for (int i = 0; i < childCount; i++)
{
try
{
any.setChildAt(i,v.visit(any.getChildAt(i)));
successCount++;
}
catch(VisitFailure) {}
}
if (successCount == 0)
{
throw new VisitFailure("Some: None of the " +
childCount + " arguments of " +
any + " succeeded.");
}
return any;
}
