using System;
using System.Collections.Generic;
using System.Text;
using Sunweaver.Commands.Attributes;
using Sunweaver.VM;

namespace Sunweaver.Commands
{
    [Punctuation(@"Perform a ""loop"" operation with the given codule slot.")]
    public class ExplicitLoop : Commands.Label
    {
        public ExplicitLoop(string name, Int16 number) : base(name, number) { }

        public override void Implementation(VirtualMachine VM)
        {
            if (VM.Stack.Count == 0)
            {
                // Abort
                return;
            }

            loop.LoopOperation(VM, VM.Stack.Pop(), this.number);
        }

        public override string ToString()
        {
            if (Name != string.Empty)
                return "#" + Name;
            else
                return "#" + number.ToString();
        }
    }
}