using System;
using System.Collections.Generic;
using System.Reflection.Emit;
using System.Text;
using Sunweaver.VM;

namespace Sunweaver
{
    /// <summary>
    /// All DNA commands inherit from this class.  It handles a basic interface as well as a default
    /// ToString method.
    /// </summary>
    abstract public class BasePair
    {
        abstract public void Implementation(VirtualMachine VM);

        abstract internal void Compile(ILGenerator il, Locals locals);

        public override string ToString() { return this.GetType().Name; }

        public override bool Equals(object obj)
        {
            if(obj.GetType() == GetType())
            {
                return Equals((BasePair)obj);
            }
            else
            {
                return false;
            }
        }

        public bool Equals(BasePair other)
        {
            // using string to compare is safest, I think
            return this.ToString().Equals(other.ToString());
        }

        public override int GetHashCode()
        {
            return base.GetHashCode();
        }
    }
}