mirror of
https://github.com/danbulant/Cosmos
synced 2026-05-20 21:08:51 +00:00
61 lines
No EOL
3 KiB
C#
61 lines
No EOL
3 KiB
C#
using System;
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using System.Linq;
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using System.Text;
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using Indy.IL2CPU.Assembler;
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using Mono.Cecil.Cil;
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using CPUx86 = Indy.IL2CPU.Assembler.X86;
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using Asm = Indy.IL2CPU.Assembler.Assembler;
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using System.Collections.Generic;
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namespace Indy.IL2CPU.IL.X86 {
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[OpCode(Code.Ldstr, true)]
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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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public LdStr(Mono.Cecil.Cil.Instruction aInstruction, MethodInformation aMethodInfo)
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: base(aInstruction, aMethodInfo) {
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LiteralStr = (string)aInstruction.Operand;
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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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public static string GetContentsArrayName(Assembler.Assembler aAssembler, string aLiteral) {
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Encoding xEncoding = Encoding.Unicode;
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var xDataByteArray = new StringBuilder();
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xDataByteArray.Append(BitConverter.GetBytes(Engine.RegisterType(Engine.GetTypeDefinition("mscorlib", "System.Array"))).Aggregate("", (r, b) => r + b + ","));
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xDataByteArray.Append(BitConverter.GetBytes((uint)InstanceTypeEnum.StaticEmbeddedArray).Aggregate("", (r, b) => r + b + ","));
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xDataByteArray.Append(BitConverter.GetBytes(aLiteral.Length).Aggregate("", (r, b) => r + b + ","));
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xDataByteArray.Append(BitConverter.GetBytes((int)2).Aggregate("", (r, b) => r + b + ","));
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xDataByteArray.Append(xEncoding.GetBytes(aLiteral).Aggregate("", (r, b) => r + b + ","));
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xDataByteArray.Append("0,");
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string xDataVal = xDataByteArray.ToString().TrimEnd(',');
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DataMember xDataMember = null;
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if (!mDataMemberMap.TryGetValue(xDataVal, out xDataMember)) {
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string xDataName = aAssembler.GetIdentifier("StringLiteral");
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StringBuilder xRefByteArray = new StringBuilder();
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xRefByteArray.Append("0x" + ((uint)Engine.RegisterType(Engine.GetTypeDefinition("mscorlib", "System.String"))).ToString("X"));
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xRefByteArray.Append(",0x" + ((uint)InstanceTypeEnum.StaticEmbeddedObject).ToString("X") + ",");
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xRefByteArray.Append("0x" + (1).ToString("X") + ",");
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xRefByteArray.Append(xDataName + "__Contents,");
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xRefByteArray.Append("0,0,0");
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aAssembler.DataMembers.Add(new KeyValuePair<string, DataMember>(aAssembler.CurrentGroup, new DataMember(xDataName, "dd", xRefByteArray.ToString())));
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aAssembler.DataMembers.Add(new KeyValuePair<string, DataMember>(aAssembler.CurrentGroup, xDataMember=new DataMember(xDataName + "__Contents", "db", xDataVal)));
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mDataMemberMap.Add(xDataVal, xDataMember);
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return xDataName;
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} else {
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return xDataMember.Name.Substring(0, xDataMember.Name.Length - "__Contents".Length);
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}
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}
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public override void DoAssemble() {
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string xDataName = GetContentsArrayName(Assembler, LiteralStr);
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new Comment("String Value: " + LiteralStr);
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new CPUx86.Move(CPUx86.Registers.EAX, xDataName);
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new CPUx86.Pushd(CPUx86.Registers.EAX);
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Assembler.StackSizes.Push(4);
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}
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}
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} |