/// Deletes last element, returns its value. If stack is empty, throws exception.
public ParsingStackElement Pop()
{
if (head == null)
{
throw new StackNullExeption("Trying to pop an empty stack.");
}
ParsingStackElement result = head;
head = head.GetNext();
return result;
}
/// Deletes last element, returns its value. If stack is empty, throws exception.
public ParsingStackElement Pop()
{
if (head == null)
{
throw new StackNullExeption("Trying to pop an empty stack.");
}
ParsingStackElement result = head;
head = head.GetNext();
return(result);
}
private static void AddChildToStackTop(ParsingStackElement top, IParsingTreeVertex added)
{
if (top.GetCount() == 0)
{
top.GetValue().SetLeft(added);
}
else
{
top.GetValue().SetRight(added);
}
top.IncreaseCount();
}
private static void AddChildToStackTop(ParsingStackElement top, IParsingTreeVertex added)
{
if (top.GetCount() == 0)
{
top.GetValue().SetLeft(added);
}
else
{
top.GetValue().SetRight(added);
}
top.IncreaseCount();
}
/// Gets value and sets element with current value as head.
public void Push(Operation value)
{
head = new ParsingStackElement(value, head);
}
/// Gets value and sets element with current value as head.
public void Push(Operation value)
{
head = new ParsingStackElement(value, head);
}