using System;
using System.Collections.Generic;
using System.Text;
using DNAModule.Sunweaver.DataPrototypes;

namespace DNAModule.Sunweaver.Commands.Abstracts
{
    public abstract class BinaryBooleanLogic : BasePair
    {
        protected VirtualMachine VM = null;
        public override void Implementation(VirtualMachine VM)
        {
            if (VM.BoolStack.Count() < 2)
                return;

            bool b = VM.BoolStack.Pop();
            bool a = VM.BoolStack.Pop();

            this.VM = VM;

            Operation(a, b);
        }

        /// <summary>
        /// Abstract interface that child classes implement
        /// </summary>
        /// <param name="a">Top value from the bool stack</param>
        /// <param name="b">Second to top value on the bool stack</param>
        public abstract void Operation(bool a, bool b);
    }
}