using System;

namespace Cosmos.IL2CPU.X86.IL
{
	[Cosmos.IL2CPU.OpCode(ILOp.Code.Ldstr)]
	public class Ldstr: ILOpX86
	{
        public override void Scan(ILReader aReader, ILScanner aScanner)
        {
            base.Scan(aReader, aScanner);
            aScanner.QueueType(typeof (string));
        }


		#region Old code
		// using System;
		// using System.Linq;
		// using System.Text;
		// using Indy.IL2CPU.Assembler;
		// using Indy.IL2CPU.Assembler.X86.X;
		// using CPUx86 = Indy.IL2CPU.Assembler.X86;
		// using Asm = Indy.IL2CPU.Assembler.Assembler;
		// using System.Collections.Generic;
		// 
		// namespace Indy.IL2CPU.IL.X86 {
		//     [Cosmos.IL2CPU.OpCode(ILOp.Code.Ldstr)]
		//     public class LdStr : ILOpX86 {
		//         //private static Dictionary<string, DataMember> mDataMemberMap = new Dictionary<string, DataMember>();
		//         public readonly string LiteralStr;
		// 
		//         //public static void ScanOp(ILReader aReader, MethodInformation aMethodInfo, SortedList<string, object> aMethodData) {
		//         //    Engine.RegisterType(typeof(string));
		//         //}
		// 
		//         public LdStr(ILReader aReader, MethodInformation aMethodInfo)
		//             : base(aReader, aMethodInfo) {
		//             LiteralStr = aReader.OperandValueStr;
		//         }
		// 
		//         public LdStr(string aLiteralStr)
		//             : base(null, null) {
		//             LiteralStr = aLiteralStr;
		//         }
		// 
		//         public static string GetContentsArrayName(Assembler.Assembler aAssembler, string aLiteral) {
		//             Encoding xEncoding = Encoding.Unicode;
		//             byte[] xByteArray = new byte[16 + xEncoding.GetByteCount(aLiteral)];
		//             //throw new NotImplementedException("Todo: implement literal strings");
		//             //var xTemp = BitConverter.GetBytes(Engine.RegisterType(Engine.GetType("mscorlib",
		//             //                                                                     "System.Array")));
		//             //Array.Copy(xTemp, 0, xByteArray, 0, 4);
		//             var xTemp = BitConverter.GetBytes((uint)InstanceTypeEnum.StaticEmbeddedArray);
		//             Array.Copy(xTemp, 0, xByteArray, 4, 4);
		//             xTemp = BitConverter.GetBytes(aLiteral.Length);
		//             Array.Copy(xTemp, 0, xByteArray, 8, 4);
		//             xTemp = BitConverter.GetBytes(2);
		//             Array.Copy(xTemp, 0, xByteArray, 12, 4);
		//             xTemp = xEncoding.GetBytes(aLiteral);
		//             Array.Copy(xTemp, 0, xByteArray, 16, xTemp.Length);
		//             DataMember xDataMember = null;
		//             //if (!mDataMemberMap.TryGetValue(aLiteral, out xDataMember))
		//             //{
		//                 string xDataName = aAssembler.GetIdentifier("StringLiteral");
		//                 object[] xObjectData = new object[7];
		//                 //xObjectData[0] = ((uint)Engine.RegisterType(Engine.GetType("mscorlib", "System.String")));
		//                 xObjectData[1] = ((uint)InstanceTypeEnum.StaticEmbeddedObject);
		//                 xObjectData[2] = 1;
		//                 xObjectData[3] = ElementReference.New(xDataName + "__Contents");
		//                 xObjectData[4] = ElementReference.New(xDataName + "__Contents", 16);
		//                 xObjectData[5] = aLiteral.Length;
		//                 xObjectData[6] = aLiteral.Length;
		//                 aAssembler.DataMembers.Add(new DataMember(xDataName, xObjectData));
		//                 aAssembler.DataMembers.Add(xDataMember = new DataMember(xDataName + "__Contents", xByteArray));
		//                 //mDataMemberMap.Add(aLiteral, xDataMember);
		//                 return xDataName;
		//             //}
		//             //else
		//             //{
		//             //    return xDataMember.Name.Substring(0, xDataMember.Name.Length - "__Contents".Length);
		//             //}
		//         }
		// 
		//         public override void DoAssemble() {
		//             var Y = new Y86();
		//             string xDataName = GetContentsArrayName(Assembler, LiteralStr);
		//             new Comment("String Value: " + LiteralStr.Replace("\r", "\\r").Replace("\n", "\\n"));
		//             Y.EAX = Y.Reference(xDataName);
		//             Y.EAX.Push();
		//             Assembler.StackContents.Push(new StackContent(4, typeof(string)));
		//         }
		//     }
		// }
		#endregion
	}
}