Cosmos/source2/IL2PCU/Cosmos.IL2CPU.X86/IL/Isinst.cs
kudzu_cp e6dffc1c69
2009-08-30 21:24:16 +00:00

101 lines
4.9 KiB
C#

using System;
namespace Cosmos.IL2CPU.X86.IL
{
[Cosmos.IL2CPU.OpCode(ILOpCode.Code.Isinst)]
public class Isinst: ILOp
{
public Isinst(Cosmos.IL2CPU.Assembler aAsmblr):base(aAsmblr)
{
}
public override void Execute(MethodInfo aMethod, ILOpCode aOpCode) {
throw new NotImplementedException();
}
// using System;
// using System.Collections.Generic;
// using System.IO;
// using CPU = Indy.IL2CPU.Assembler;
// using CPUx86 = Indy.IL2CPU.Assembler.X86;
// using System.Reflection;
// using Indy.IL2CPU.Assembler;
// using Indy.IL2CPU.Compiler;
//
// namespace Indy.IL2CPU.IL.X86 {
// [OpCode(OpCodeEnum.Isinst)]
// public class Isinst : Op {
// private string mTypeId;
// private string mThisLabel;
// private string mNextOpLabel;
// private int mCurrentILOffset;
// private bool mDebugMode;
//
// //public static void ScanOp(ILReader aReader,
// // MethodInformation aMethodInfo,
// // SortedList<string, object> aMethodData) {
// // Type xType = aReader.OperandValueType;
// // if (xType == null) {
// // throw new Exception("Unable to determine Type!");
// // }
// // Engine.RegisterType(xType);
// // Call.ScanOp(Engine.GetMethodBase(typeof(VTablesImpl),
// // "IsInstance",
// // "System.Int32",
// // "System.Int32"));
// // Newobj.ScanOp(typeof(InvalidCastException).GetConstructor(new Type[0]));
// //}
//
// public Isinst(ILReader aReader,
// MethodInformation aMethodInfo)
// : base(aReader,
// aMethodInfo) {
// Type xType = aReader.OperandValueType;
// if (xType == null) {
// throw new Exception("Unable to determine Type!");
// }
// mTypeDef = xType;
// mThisLabel = GetInstructionLabel(aReader.Position);
// mNextOpLabel = GetInstructionLabel(aReader.NextPosition);
// mCurrentILOffset = (int)aReader.Position;
// mDebugMode = aMethodInfo.DebugMode;
// }
// private Type mTypeDef;
// public override void DoAssemble() {
// mTypeId = GetService<IMetaDataInfoService>().GetTypeIdLabel(mTypeDef);
// string mReturnNullLabel = mThisLabel + "_ReturnNull";
// new CPUx86.Move { DestinationReg = CPUx86.Registers.EAX, SourceReg = CPUx86.Registers.ESP, SourceIsIndirect = true };
// new CPUx86.Compare { DestinationReg = CPUx86.Registers.EAX, SourceValue = 0 };
// new CPUx86.ConditionalJump { Condition = CPUx86.ConditionalTestEnum.Zero, DestinationLabel = mReturnNullLabel };
// new CPUx86.Push { DestinationReg = CPUx86.Registers.EAX, DestinationIsIndirect = true };
// new CPUx86.Push { DestinationRef = ElementReference.New(mTypeId), DestinationIsIndirect=true };
// Assembler.Stack.Push(new StackContent(4,
// typeof(object)));
// Assembler.Stack.Push(new StackContent(4,
// typeof(object)));
// MethodBase xMethodIsInstance = ReflectionUtilities.GetMethodBase(typeof(VTablesImpl),
// "IsInstance",
// "System.Int32",
// "System.Int32");
// Op xOp = new Call(xMethodIsInstance,
// (uint)mCurrentILOffset,
// mDebugMode,
// mThisLabel+ "_After_IsInstance_Call");
// xOp.Assembler = Assembler;
// xOp.SetServiceProvider(GetServiceProvider());
// xOp.Assemble();
// new Label(mThisLabel + "_After_IsInstance_Call");
// Assembler.Stack.Pop();
// new CPUx86.Pop { DestinationReg = CPUx86.Registers.EAX };
// new CPUx86.Compare { DestinationReg = CPUx86.Registers.EAX, SourceValue = 0 };
// new CPUx86.ConditionalJump { Condition = CPUx86.ConditionalTestEnum.NotEqual, DestinationLabel = mNextOpLabel };
// new CPU.Label(mReturnNullLabel);
// new CPUx86.Add { DestinationReg = CPUx86.Registers.ESP, SourceValue = 4 };
// new CPUx86.Push { DestinationValue = 0 };
// }
// }
// }
}
}