mirror of
https://github.com/danbulant/Cosmos
synced 2026-05-27 14:02:19 +00:00
96 lines
3.7 KiB
C#
96 lines
3.7 KiB
C#
using System;
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using CPU = Cosmos.IL2CPU;
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using System.Text;
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using Indy.IL2CPU;
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using Cosmos.IL2CPU.X86.X;
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using Cosmos.IL2CPU.ILOpCodes;
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namespace Cosmos.IL2CPU.X86.IL
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{
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[Cosmos.IL2CPU.OpCode(ILOpCode.Code.Ldstr)]
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public class LdStr: ILOp
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{
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public LdStr(Cosmos.IL2CPU.Assembler aAsmblr):base(aAsmblr)
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{
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}
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public override void Execute(MethodInfo aMethod, ILOpCode aOpCode) {
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var xOpString = aOpCode as OpString;
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var Y = new Y86();
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string xDataName = GetContentsArrayName(xOpString.Value);
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new Comment( Assembler, "String Value: " + xOpString.Value.Replace( "\r", "\\r" ).Replace( "\n", "\\n" ) );
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Y.EAX = Y.Reference(xDataName);
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Y.EAX.Push();
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Assembler.Stack.Push(4, typeof(string));
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}
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public static string GetContentsArrayName(string aLiteral) {
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var xAsm = CPU.Assembler.CurrentInstance.Peek();
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Encoding xEncoding = Encoding.Unicode;
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byte[] xByteArray = new byte[16 + xEncoding.GetByteCount(aLiteral)];
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//throw new NotImplementedException("Todo: implement literal strings");
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//var xTemp = BitConverter.GetBytes(Engine.RegisterType(Engine.GetType("mscorlib",
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// "System.Array")));
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//Array.Copy(xTemp, 0, xByteArray, 0, 4);
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var xTemp = BitConverter.GetBytes((uint)InstanceTypeEnum.StaticEmbeddedArray);
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Array.Copy(xTemp, 0, xByteArray, 4, 4);
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xTemp = BitConverter.GetBytes(aLiteral.Length);
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Array.Copy(xTemp, 0, xByteArray, 8, 4);
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xTemp = BitConverter.GetBytes(2);
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Array.Copy(xTemp, 0, xByteArray, 12, 4);
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xTemp = xEncoding.GetBytes(aLiteral);
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Array.Copy(xTemp, 0, xByteArray, 16, xTemp.Length);
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DataMember xDataMember = null;
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//if (!mDataMemberMap.TryGetValue(aLiteral, out xDataMember))
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//{
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string xDataName = xAsm.GetIdentifier("StringLiteral");
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object[] xObjectData = new object[7];
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//xObjectData[0] = ((uint)Engine.RegisterType(Engine.GetType("mscorlib", "System.String")));
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xObjectData[1] = ((uint)InstanceTypeEnum.StaticEmbeddedObject);
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xObjectData[2] = 1;
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xObjectData[3] = ElementReference.New(xDataName + "__Contents");
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xObjectData[4] = ElementReference.New(xDataName + "__Contents", 16);
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xObjectData[5] = aLiteral.Length;
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xObjectData[6] = aLiteral.Length;
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xAsm.DataMembers.Add(new CPU.DataMember(xDataName, xObjectData));
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xAsm.DataMembers.Add(new CPU.DataMember(xDataName + "__Contents", xByteArray));
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//mDataMemberMap.Add(aLiteral, xDataMember);
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return xDataName;
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}
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// using System;
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// using System.Linq;
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// using System.Text;
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// using Cosmos.IL2CPU.X86;
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// using Cosmos.IL2CPU.X86.X;
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// using CPUx86 = Cosmos.IL2CPU.X86;
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// using Asm = Assembler;
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// using System.Collections.Generic;
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//
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// namespace Indy.IL2CPU.IL.X86 {
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// [OpCode(OpCodeEnum.Ldstr)]
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// public class LdStr : Op {
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// //private static Dictionary<string, DataMember> mDataMemberMap = new Dictionary<string, DataMember>();
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// public readonly string LiteralStr;
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//
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// //public static void ScanOp(ILReader aReader, MethodInformation aMethodInfo, SortedList<string, object> aMethodData) {
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// // Engine.RegisterType(typeof(string));
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// //}
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//
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// public LdStr(ILReader aReader, MethodInformation aMethodInfo)
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// : base(aReader, aMethodInfo) {
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// LiteralStr = aReader.OperandValueStr;
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// }
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//
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// public LdStr(string aLiteralStr)
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// : base(null, null) {
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// LiteralStr = aLiteralStr;
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// }
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//
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// }
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// }
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}
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}
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