using System;
using System.Collections.Generic;
using System.IO;


using CPU = Indy.IL2CPU.Assembler.X86;
using Indy.IL2CPU.Assembler;
using Indy.IL2CPU.Compiler;

namespace Indy.IL2CPU.IL.X86 {
	[OpCode(OpCodeEnum.Sizeof)]
	public class Sizeof: Op {
        private Type mType;

        //public static void ScanOp(ILReader aReader, MethodInformation aMethodInfo, SortedList<string, object> aMethodData) {
        //    Type xTypeRef = aReader.OperandValueType;
        //    if (xTypeRef == null)
        //    {
        //        throw new Exception("Type not found!");
        //    }
        //    Engine.RegisterType(xTypeRef);
        //}

		public Sizeof(ILReader aReader, MethodInformation aMethodInfo)
			: base(aReader, aMethodInfo) {
			mType = aReader.OperandValueType;
			if (mType == null) {
				throw new Exception("Type not found!");}
		}
		public override void DoAssemble() {
            uint xSize;
            GetService<IMetaDataInfoService>().GetTypeFieldInfo(mType, out xSize);
            new CPU.Push { DestinationValue =xSize};
			Assembler.StackContents.Push(new StackContent(4, typeof(int)));
		}
	}
}