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

namespace Sunweaver.Commands.Abstracts
{
    public abstract class UnaryOperation : BasePair
    {
        protected VirtualMachine VM = null;

        public override void Implementation(VirtualMachine VM)
        {
            //handles fizzle operation
            if (VM.Stack.Count() < 1)
                return;

            Int32 a = VM.Stack.Pop();
            this.VM = VM;

            Operation(a);
        }

        /// <summary>
        /// An abstract interface for child classes to implement their specific details
        /// </summary>
        /// <param name="a">Top value from the stack</param>
        public abstract void Operation(long a);

        internal override void Compile(ILGenerator il, Locals locals)
        {
            throw new NotImplementedException();
        }
    }
}