using System;

namespace Cosmos.IL2CPU.X86.IL
{
	[Cosmos.IL2CPU.OpCode(ILOpCode.Code.Brfalse)]
	public class Brfalse: ILOp
	{
		public Brfalse(Cosmos.IL2CPU.Assembler aAsmblr):base(aAsmblr)
		{
		}

    public override void Execute(uint aMethodUID, ILOpCode aOpCode) {
      throw new Exception("TODO:");
    }

    #region Old code
		// using System;
		// using System.IO;
		// 
		// using CPU = Indy.IL2CPU.Assembler;
		// using CPUx86 = Indy.IL2CPU.Assembler.X86;
		// 
		// namespace Indy.IL2CPU.IL.X86 {
		// 	[OpCode(OpCodeEnum.Brfalse)]
		// 	public class Brfalse: Op {
		// 		public readonly string TargetLabel;
		// 		public readonly string CurInstructionLabel;
		// 		public Brfalse(ILReader aReader, MethodInformation aMethodInfo)
		// 			: base(aReader, aMethodInfo) {
		// 			TargetLabel = GetInstructionLabel(aReader.OperandValueBranchPosition);
		// 			CurInstructionLabel = GetInstructionLabel(aReader);
		// 		}
		// 
		// 		public override void DoAssemble() {
		// 			var xStackContent = Assembler.StackContents.Pop();
		// 			if (xStackContent.IsFloat) {
		// 				throw new Exception("Floats not yet supported!");
		// 			}
		// 			if (xStackContent.Size > 8) {
		// 				throw new Exception("StackSize>8 not supported");
		// 			}
		// 
		// 			string BaseLabel = CurInstructionLabel + "__";
		// 			string LabelTrue = BaseLabel + "True";
		// 			string LabelFalse = BaseLabel + "False";
		// 
		// 			if (xStackContent.Size > 4)
		// 			{
		//                 new CPUx86.Pop { DestinationReg = CPUx86.Registers.EAX };
		//                 new CPUx86.Pop { DestinationReg = CPUx86.Registers.EBX };
		//                 new CPUx86.Xor { DestinationReg = CPUx86.Registers.EAX, SourceReg = CPUx86.Registers.EAX };
		//                 new CPUx86.ConditionalJump { Condition = CPUx86.ConditionalTestEnum.NotZero, DestinationLabel = LabelFalse };
		//                 new CPUx86.Xor { DestinationReg = CPUx86.Registers.EBX, SourceReg = CPUx86.Registers.EBX };
		//                 new CPUx86.ConditionalJump { Condition = CPUx86.ConditionalTestEnum.NotZero, DestinationLabel = LabelFalse };
		//                 new CPUx86.Jump { DestinationLabel = TargetLabel };
		// 				new CPU.Label(LabelFalse);
		// 			} else
		// 			{
		//                 new CPUx86.Pop { DestinationReg = CPUx86.Registers.EAX };
		//                 new CPUx86.Compare { DestinationReg = CPUx86.Registers.EAX, SourceValue = 0 };
		//                 new CPUx86.ConditionalJump { Condition = CPUx86.ConditionalTestEnum.Equal, DestinationLabel = TargetLabel };
		// 			}
		// 		}
		// 	}
		// }
		#endregion Old code
	}
}