using System;
using System.Collections.Generic;
using System.Text;

namespace Sunweaver.VM
{
    public class BoolStack
    {
        Stack<bool> stack = new Stack<bool>();

        public void Push(bool val)
        {
            stack.Push(val);
        }

        public bool Pop()
        {
            if (stack.Count > 0)
                return stack.Pop();
            else
                return true;
        }

        public void Clear()
        {
            stack.Clear();
        }

        public bool Peek()
        {
            if (stack.Count > 0)
                return stack.Peek();
            else
                return true;
        }

        public long Count
        {
            get
            {
                return stack.Count;
            }
        }
    }
}