mirror of
https://github.com/danbulant/Cosmos
synced 2026-05-27 14:02:19 +00:00
101 lines
4.9 KiB
C#
101 lines
4.9 KiB
C#
using System;
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namespace Cosmos.IL2CPU.X86.IL
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{
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[Cosmos.IL2CPU.OpCode(ILOpCode.Code.Isinst)]
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public class Isinst: ILOp
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{
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public Isinst(Cosmos.IL2CPU.Assembler aAsmblr):base(aAsmblr)
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{
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}
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public override void Execute(uint aMethodUID, ILOpCode aOpCode) {
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throw new Exception("TODO:");
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}
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#region Old code
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// using System;
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// using System.Collections.Generic;
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// using System.IO;
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// using CPU = Indy.IL2CPU.Assembler;
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// using CPUx86 = Indy.IL2CPU.Assembler.X86;
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// using System.Reflection;
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// using Indy.IL2CPU.Assembler;
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// using Indy.IL2CPU.Compiler;
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//
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// namespace Indy.IL2CPU.IL.X86 {
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// [OpCode(OpCodeEnum.Isinst)]
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// public class Isinst : Op {
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// private string mTypeId;
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// private string mThisLabel;
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// private string mNextOpLabel;
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// private int mCurrentILOffset;
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// private bool mDebugMode;
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//
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// //public static void ScanOp(ILReader aReader,
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// // MethodInformation aMethodInfo,
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// // SortedList<string, object> aMethodData) {
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// // Type xType = aReader.OperandValueType;
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// // if (xType == null) {
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// // throw new Exception("Unable to determine Type!");
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// // }
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// // Engine.RegisterType(xType);
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// // Call.ScanOp(Engine.GetMethodBase(typeof(VTablesImpl),
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// // "IsInstance",
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// // "System.Int32",
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// // "System.Int32"));
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// // Newobj.ScanOp(typeof(InvalidCastException).GetConstructor(new Type[0]));
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// //}
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//
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// public Isinst(ILReader aReader,
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// MethodInformation aMethodInfo)
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// : base(aReader,
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// aMethodInfo) {
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// Type xType = aReader.OperandValueType;
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// if (xType == null) {
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// throw new Exception("Unable to determine Type!");
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// }
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// mTypeDef = xType;
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// mThisLabel = GetInstructionLabel(aReader.Position);
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// mNextOpLabel = GetInstructionLabel(aReader.NextPosition);
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// mCurrentILOffset = (int)aReader.Position;
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// mDebugMode = aMethodInfo.DebugMode;
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// }
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// private Type mTypeDef;
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// public override void DoAssemble() {
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// mTypeId = GetService<IMetaDataInfoService>().GetTypeIdLabel(mTypeDef);
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// string mReturnNullLabel = mThisLabel + "_ReturnNull";
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// new CPUx86.Move { DestinationReg = CPUx86.Registers.EAX, SourceReg = CPUx86.Registers.ESP, SourceIsIndirect = true };
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// new CPUx86.Compare { DestinationReg = CPUx86.Registers.EAX, SourceValue = 0 };
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// new CPUx86.ConditionalJump { Condition = CPUx86.ConditionalTestEnum.Zero, DestinationLabel = mReturnNullLabel };
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// new CPUx86.Push { DestinationReg = CPUx86.Registers.EAX, DestinationIsIndirect = true };
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// new CPUx86.Push { DestinationRef = ElementReference.New(mTypeId), DestinationIsIndirect=true };
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// Assembler.StackContents.Push(new StackContent(4,
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// typeof(object)));
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// Assembler.StackContents.Push(new StackContent(4,
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// typeof(object)));
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// MethodBase xMethodIsInstance = ReflectionUtilities.GetMethodBase(typeof(VTablesImpl),
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// "IsInstance",
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// "System.Int32",
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// "System.Int32");
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// Op xOp = new Call(xMethodIsInstance,
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// (uint)mCurrentILOffset,
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// mDebugMode,
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// mThisLabel+ "_After_IsInstance_Call");
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// xOp.Assembler = Assembler;
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// xOp.SetServiceProvider(GetServiceProvider());
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// xOp.Assemble();
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// new Label(mThisLabel + "_After_IsInstance_Call");
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// Assembler.StackContents.Pop();
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// new CPUx86.Pop { DestinationReg = CPUx86.Registers.EAX };
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// new CPUx86.Compare { DestinationReg = CPUx86.Registers.EAX, SourceValue = 0 };
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// new CPUx86.ConditionalJump { Condition = CPUx86.ConditionalTestEnum.NotEqual, DestinationLabel = mNextOpLabel };
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// new CPU.Label(mReturnNullLabel);
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// new CPUx86.Add { DestinationReg = CPUx86.Registers.ESP, SourceValue = 4 };
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// new CPUx86.Push { DestinationValue = 0 };
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// }
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// }
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// }
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#endregion Old code
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}
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}
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