public StackQueue(StackQueue <T> other)
{
_size = other._size;
_top = other._top;
_items = new T[_size];
System.Array.Copy(other._items, _items, _size);
}
public void Reset()
{
state_stack = new Stack <int>();
token_type_stack = new Stack <int>();
token_value_stack = new Stack <string>();
input_token_type_queue = new Queue <int>();
input_token_value_queue = new Queue <string>();
parse_tree = new StackQueue <Node>();
current_state = 0;
state_stack.Push(current_state);
}