14 Commits
Author SHA1 Message Date
ds5678 7e3e7bfa8c Bump version 2025-01-11 01:07:46 -08:00
ds5678 777fb5ea1c Fix AddLoadIndirect and AddStoreIndirect
* Resolves #1
2025-01-11 01:07:24 -08:00
ds5678 be8f11f6b5 Fix incorrect field references for generic types 2025-01-10 23:47:59 -08:00
ds5678 1338ca2f95 Add method stubbing tool 2025-01-10 23:46:05 -08:00
ds5678 e95ff3bae6 Bump tools to .NET 9 2025-01-10 23:45:32 -08:00
ds5678 44cf58eef6 Bump version 2024-12-10 12:11:31 -08:00
ds5678 cb89ec09b2 Bump to .NET 9 2024-12-10 12:10:25 -08:00
ds5678 677f5349b3 CIL Manipulators 2024-09-23 23:26:35 -07:00
ds5678 7fd99d382d Include exception handlers in validation 2024-09-23 21:13:35 -07:00
ds5678 2ad3472b3e Forgot nullable attribute in event extensions 2024-09-07 12:58:58 -07:00
ds5678 c8e1b8809c Bump version 2024-09-07 12:50:59 -07:00
ds5678 a0c48e0216 Backing field improvements
* More strict identification
* Add extensions for fields, events, and properties
2024-09-07 12:50:18 -07:00
ds5678 1df36de7df Field extensions 2024-09-01 08:21:39 -07:00
ds5678 89d8b4a7cd Event and property extensions 2024-09-01 08:15:23 -07:00
29 changed files with 912 additions and 100 deletions

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@@ -0,0 +1,14 @@
<Project Sdk="Microsoft.NET.Sdk">
<PropertyGroup>
<OutputType>Exe</OutputType>
<TargetFramework>net9.0</TargetFramework>
<ImplicitUsings>enable</ImplicitUsings>
<Nullable>enable</Nullable>
</PropertyGroup>
<ItemGroup>
<ProjectReference Include="..\AssetRipper.CIL\AssetRipper.CIL.csproj" />
</ItemGroup>
</Project>
+18
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@@ -0,0 +1,18 @@
using AsmResolver.DotNet;
namespace AssetRipper.CIL.Standardizer
{
internal class Program
{
static void Main(string[] args)
{
ModuleDefinition module = ModuleDefinition.FromFile(args[0]);
foreach (MethodDefinition method in module.GetAllTypes().SelectMany(t => t.Methods))
{
method.CilMethodBody?.Instructions.StandardizeMacros();
}
module.Write(args[1]);
Console.WriteLine("Done!");
}
}
}
@@ -0,0 +1,14 @@
<Project Sdk="Microsoft.NET.Sdk">
<PropertyGroup>
<OutputType>Exe</OutputType>
<TargetFramework>net9.0</TargetFramework>
<ImplicitUsings>enable</ImplicitUsings>
<Nullable>enable</Nullable>
</PropertyGroup>
<ItemGroup>
<ProjectReference Include="..\AssetRipper.CIL\AssetRipper.CIL.csproj" />
</ItemGroup>
</Project>
+18
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@@ -0,0 +1,18 @@
using AsmResolver.DotNet;
namespace AssetRipper.CIL.Stubber
{
internal class Program
{
static void Main(string[] args)
{
ModuleDefinition module = ModuleDefinition.FromFile(args[0]);
foreach (MethodDefinition method in module.GetAllTypes().SelectMany(t => t.Methods))
{
method.ReplaceMethodBodyWithMinimalImplementation();
}
module.Write(args[1]);
Console.WriteLine("Done!");
}
}
}
@@ -0,0 +1,33 @@
<Project Sdk="Microsoft.NET.Sdk">
<PropertyGroup>
<TargetFramework>net9.0</TargetFramework>
<LangVersion>latest</LangVersion>
<ImplicitUsings>enable</ImplicitUsings>
<Nullable>enable</Nullable>
<IsPackable>false</IsPackable>
</PropertyGroup>
<ItemGroup>
<PackageReference Include="coverlet.collector" Version="6.0.3">
<PrivateAssets>all</PrivateAssets>
<IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
</PackageReference>
<PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.12.0" />
<PackageReference Include="NUnit" Version="4.3.2" />
<PackageReference Include="NUnit.Analyzers" Version="4.6.0">
<PrivateAssets>all</PrivateAssets>
<IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
</PackageReference>
<PackageReference Include="NUnit3TestAdapter" Version="4.6.0" />
</ItemGroup>
<ItemGroup>
<ProjectReference Include="..\AssetRipper.CIL\AssetRipper.CIL.csproj" />
</ItemGroup>
<ItemGroup>
<Using Include="NUnit.Framework" />
</ItemGroup>
</Project>
+113
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@@ -0,0 +1,113 @@
using AsmResolver.DotNet;
using AsmResolver.DotNet.Code.Cil;
using AsmResolver.DotNet.Signatures;
using AsmResolver.PE.DotNet.Cil;
using AsmResolver.PE.DotNet.Metadata.Tables;
namespace AssetRipper.CIL.Tests;
public class LoadIndirectTests
{
[TestCase(ElementType.I1, CilCode.Ldind_I1)]
[TestCase(ElementType.I2, CilCode.Ldind_I2)]
[TestCase(ElementType.I4, CilCode.Ldind_I4)]
[TestCase(ElementType.I8, CilCode.Ldind_I8)]
[TestCase(ElementType.U1, CilCode.Ldind_U1)]
[TestCase(ElementType.U2, CilCode.Ldind_U2)]
[TestCase(ElementType.U4, CilCode.Ldind_U4)]
[TestCase(ElementType.U8, CilCode.Ldind_I8)]
[TestCase(ElementType.I, CilCode.Ldind_I)]
[TestCase(ElementType.U, CilCode.Ldind_I)]
[TestCase(ElementType.R4, CilCode.Ldind_R4)]
[TestCase(ElementType.R8, CilCode.Ldind_R8)]
[TestCase(ElementType.Boolean, CilCode.Ldind_U1)]
[TestCase(ElementType.Char, CilCode.Ldind_U2)]
[TestCase(ElementType.Object, CilCode.Ldind_Ref)]
[TestCase(ElementType.String, CilCode.Ldind_Ref)]
[TestCase(ElementType.TypedByRef, CilCode.Ldobj)]
public void CorlibLoadIndirect(ElementType type, CilCode code)
{
ModuleDefinition module = new ModuleDefinition("TestModule");
CorLibTypeSignature? typeToLoad = module.CorLibTypeFactory.FromElementType(type);
Assert.That(typeToLoad, Is.Not.Null);
AssertCorrectLoadIndirect(typeToLoad, code);
}
[TestCase(ElementType.I1, CilCode.Ldind_I1)]
[TestCase(ElementType.I2, CilCode.Ldind_I2)]
[TestCase(ElementType.I4, CilCode.Ldind_I4)]
[TestCase(ElementType.I8, CilCode.Ldind_I8)]
[TestCase(ElementType.U1, CilCode.Ldind_U1)]
[TestCase(ElementType.U2, CilCode.Ldind_U2)]
[TestCase(ElementType.U4, CilCode.Ldind_U4)]
[TestCase(ElementType.U8, CilCode.Ldind_I8)]
public void EnumLoadIndirect(ElementType type, CilCode code)
{
ModuleDefinition module = new ModuleDefinition("TestModule");
TypeSignature? typeToLoad = CreateEnum(module, type).ToTypeSignature();
Assert.That(typeToLoad, Is.Not.Null);
AssertCorrectLoadIndirect(typeToLoad, code);
}
[Test]
public void PointerLoadIndirect()
{
ModuleDefinition module = new ModuleDefinition("TestModule");
PointerTypeSignature typeToLoad = module.CorLibTypeFactory.Void.MakePointerType();
AssertCorrectLoadIndirect(typeToLoad, CilCode.Ldind_I);
}
[Test]
public void GenericParameterLoadIndirect()
{
ModuleDefinition module = new ModuleDefinition("TestModule");
GenericParameterSignature typeToLoad = new GenericParameterSignature(module, GenericParameterType.Type, 0);
AssertCorrectLoadIndirect(typeToLoad, CilCode.Ldobj);
}
[Test]
public void SzArrayLoadIndirect()
{
ModuleDefinition module = new ModuleDefinition("TestModule");
TypeSignature typeToLoad = module.CorLibTypeFactory.Int32.MakeSzArrayType();
AssertCorrectLoadIndirect(typeToLoad, CilCode.Ldind_Ref);
}
[Test]
public void ClassLoadIndirect()
{
ModuleDefinition module = new ModuleDefinition("TestModule");
TypeDefinition type = new TypeDefinition("TestNamespace", "TestName", TypeAttributes.Public, module.CorLibTypeFactory.Object.ToTypeDefOrRef());
module.TopLevelTypes.Add(type);
AssertCorrectLoadIndirect(type.ToTypeSignature(), CilCode.Ldind_Ref);
}
[Test]
public void StructLoadIndirect()
{
ModuleDefinition module = new ModuleDefinition("TestModule");
TypeDefinition type = new TypeDefinition("TestNamespace", "TestName", TypeAttributes.Public | TypeAttributes.SequentialLayout | TypeAttributes.Sealed, module.DefaultImporter.ImportType(typeof(ValueType)));
module.TopLevelTypes.Add(type);
AssertCorrectLoadIndirect(type.ToTypeSignature(), CilCode.Ldobj);
}
private static void AssertCorrectLoadIndirect(TypeSignature typeToLoad, CilCode expectedOpCode)
{
MethodDefinition method = new MethodDefinition("Test", MethodAttributes.Public | MethodAttributes.Static, null);
method.CilMethodBody = new(method);
CilInstructionCollection instructions = method.CilMethodBody.Instructions;
instructions.AddLoadIndirect(typeToLoad);
Assert.That(instructions, Has.Count.EqualTo(1));
Assert.That(instructions[0].OpCode.Code, Is.EqualTo(expectedOpCode));
}
private static TypeDefinition CreateEnum(ModuleDefinition module, ElementType underlyingType)
{
TypeDefinition enumType = new TypeDefinition("TestNamespace", "TestEnum", TypeAttributes.Public, module.DefaultImporter.ImportType(typeof(Enum)));
module.TopLevelTypes.Add(enumType);
CorLibTypeSignature underlyingTypeSignature = module.CorLibTypeFactory.FromElementType(underlyingType) ?? throw new NullReferenceException();
FieldDefinition valueField = new FieldDefinition("value__", FieldAttributes.Public | FieldAttributes.SpecialName | FieldAttributes.RuntimeSpecialName, underlyingTypeSignature);
enumType.Fields.Add(valueField);
return enumType;
}
}
+113
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@@ -0,0 +1,113 @@
using AsmResolver.DotNet;
using AsmResolver.DotNet.Code.Cil;
using AsmResolver.DotNet.Signatures;
using AsmResolver.PE.DotNet.Cil;
using AsmResolver.PE.DotNet.Metadata.Tables;
namespace AssetRipper.CIL.Tests;
public class StoreIndirectTests
{
[TestCase(ElementType.I1, CilCode.Stind_I1)]
[TestCase(ElementType.I2, CilCode.Stind_I2)]
[TestCase(ElementType.I4, CilCode.Stind_I4)]
[TestCase(ElementType.I8, CilCode.Stind_I8)]
[TestCase(ElementType.U1, CilCode.Stind_I1)]
[TestCase(ElementType.U2, CilCode.Stind_I2)]
[TestCase(ElementType.U4, CilCode.Stind_I4)]
[TestCase(ElementType.U8, CilCode.Stind_I8)]
[TestCase(ElementType.I, CilCode.Stind_I)]
[TestCase(ElementType.U, CilCode.Stind_I)]
[TestCase(ElementType.R4, CilCode.Stind_R4)]
[TestCase(ElementType.R8, CilCode.Stind_R8)]
[TestCase(ElementType.Boolean, CilCode.Stind_I1)]
[TestCase(ElementType.Char, CilCode.Stind_I2)]
[TestCase(ElementType.Object, CilCode.Stind_Ref)]
[TestCase(ElementType.String, CilCode.Stind_Ref)]
[TestCase(ElementType.TypedByRef, CilCode.Stobj)]
public void CorlibStoreIndirect(ElementType type, CilCode code)
{
ModuleDefinition module = new ModuleDefinition("TestModule");
CorLibTypeSignature? typeToStore = module.CorLibTypeFactory.FromElementType(type);
Assert.That(typeToStore, Is.Not.Null);
AssertCorrectStoreIndirect(typeToStore, code);
}
[TestCase(ElementType.I1, CilCode.Stind_I1)]
[TestCase(ElementType.I2, CilCode.Stind_I2)]
[TestCase(ElementType.I4, CilCode.Stind_I4)]
[TestCase(ElementType.I8, CilCode.Stind_I8)]
[TestCase(ElementType.U1, CilCode.Stind_I1)]
[TestCase(ElementType.U2, CilCode.Stind_I2)]
[TestCase(ElementType.U4, CilCode.Stind_I4)]
[TestCase(ElementType.U8, CilCode.Stind_I8)]
public void EnumStoreIndirect(ElementType type, CilCode code)
{
ModuleDefinition module = new ModuleDefinition("TestModule");
TypeSignature? typeToStore = CreateEnum(module, type).ToTypeSignature();
Assert.That(typeToStore, Is.Not.Null);
AssertCorrectStoreIndirect(typeToStore, code);
}
[Test]
public void PointerStoreIndirect()
{
ModuleDefinition module = new ModuleDefinition("TestModule");
PointerTypeSignature typeToStore = module.CorLibTypeFactory.Void.MakePointerType();
AssertCorrectStoreIndirect(typeToStore, CilCode.Stind_I);
}
[Test]
public void GenericParameterStoreIndirect()
{
ModuleDefinition module = new ModuleDefinition("TestModule");
GenericParameterSignature typeToStore = new GenericParameterSignature(module, GenericParameterType.Type, 0);
AssertCorrectStoreIndirect(typeToStore, CilCode.Stobj);
}
[Test]
public void SzArrayStoreIndirect()
{
ModuleDefinition module = new ModuleDefinition("TestModule");
TypeSignature typeToStore = module.CorLibTypeFactory.Int32.MakeSzArrayType();
AssertCorrectStoreIndirect(typeToStore, CilCode.Stind_Ref);
}
[Test]
public void ClassStoreIndirect()
{
ModuleDefinition module = new ModuleDefinition("TestModule");
TypeDefinition type = new TypeDefinition("TestNamespace", "TestName", TypeAttributes.Public, module.CorLibTypeFactory.Object.ToTypeDefOrRef());
module.TopLevelTypes.Add(type);
AssertCorrectStoreIndirect(type.ToTypeSignature(), CilCode.Stind_Ref);
}
[Test]
public void StructStoreIndirect()
{
ModuleDefinition module = new ModuleDefinition("TestModule");
TypeDefinition type = new TypeDefinition("TestNamespace", "TestName", TypeAttributes.Public | TypeAttributes.SequentialLayout | TypeAttributes.Sealed, module.DefaultImporter.ImportType(typeof(ValueType)));
module.TopLevelTypes.Add(type);
AssertCorrectStoreIndirect(type.ToTypeSignature(), CilCode.Stobj);
}
private static void AssertCorrectStoreIndirect(TypeSignature typeToStore, CilCode expectedOpCode)
{
MethodDefinition method = new MethodDefinition("Test", MethodAttributes.Public | MethodAttributes.Static, null);
method.CilMethodBody = new(method);
CilInstructionCollection instructions = method.CilMethodBody.Instructions;
instructions.AddStoreIndirect(typeToStore);
Assert.That(instructions, Has.Count.EqualTo(1));
Assert.That(instructions[0].OpCode.Code, Is.EqualTo(expectedOpCode));
}
private static TypeDefinition CreateEnum(ModuleDefinition module, ElementType underlyingType)
{
TypeDefinition enumType = new TypeDefinition("TestNamespace", "TestEnum", TypeAttributes.Public, module.DefaultImporter.ImportType(typeof(Enum)));
module.TopLevelTypes.Add(enumType);
CorLibTypeSignature underlyingTypeSignature = module.CorLibTypeFactory.FromElementType(underlyingType) ?? throw new NullReferenceException();
FieldDefinition valueField = new FieldDefinition("value__", FieldAttributes.Public | FieldAttributes.SpecialName | FieldAttributes.RuntimeSpecialName, underlyingTypeSignature);
enumType.Fields.Add(valueField);
return enumType;
}
}
@@ -2,7 +2,7 @@
<PropertyGroup>
<OutputType>Exe</OutputType>
<TargetFramework>net8.0</TargetFramework>
<TargetFramework>net9.0</TargetFramework>
<ImplicitUsings>enable</ImplicitUsings>
<Nullable>enable</Nullable>
</PropertyGroup>
@@ -10,6 +10,7 @@ public static class CilInstructionCollectionEquality
{
public static bool Equals(CilMethodBody left, CilMethodBody right)
{
// Local Variables
if (left.LocalVariables.Count != right.LocalVariables.Count)
{
return false;
@@ -22,9 +23,34 @@ public static class CilInstructionCollectionEquality
}
}
// Exception Handlers
if (left.ExceptionHandlers.Count != right.ExceptionHandlers.Count)
{
return false;
}
for (int i = 0; i < left.ExceptionHandlers.Count; i++)
{
if (!Equals(left.ExceptionHandlers[i], right.ExceptionHandlers[i]))
{
return false;
}
}
// Instructions
return Equals(left.Instructions, right.Instructions);
}
public static bool Equals(CilExceptionHandler left, CilExceptionHandler right)
{
return left.HandlerType == right.HandlerType
&& left.TryStart?.Offset == right.TryStart?.Offset
&& left.TryEnd?.Offset == right.TryEnd?.Offset
&& left.HandlerStart?.Offset == right.HandlerStart?.Offset
&& left.HandlerEnd?.Offset == right.HandlerEnd?.Offset
&& left.FilterStart?.Offset == right.FilterStart?.Offset
&& SignatureComparer.Default.Equals(left.ExceptionType, right.ExceptionType);
}
public static bool Equals(CilInstructionCollection left, CilInstructionCollection right)
{
if (left.Count != right.Count)
+19 -1
View File
@@ -14,7 +14,13 @@ Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Solution Items", "Solution
README.md = README.md
EndProjectSection
EndProject
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "AssetRipper.CIL.Validator", "AssetRipper.CIL.Validator\AssetRipper.CIL.Validator.csproj", "{0E177F49-031D-486A-ADD2-6823263D1923}"
Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "AssetRipper.CIL.Validator", "AssetRipper.CIL.Validator\AssetRipper.CIL.Validator.csproj", "{0E177F49-031D-486A-ADD2-6823263D1923}"
EndProject
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "AssetRipper.CIL.Standardizer", "AssetRipper.CIL.Standardizer\AssetRipper.CIL.Standardizer.csproj", "{9E6D8580-5C3C-4AA8-89C9-34F475B79B24}"
EndProject
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "AssetRipper.CIL.Stubber", "AssetRipper.CIL.Stubber\AssetRipper.CIL.Stubber.csproj", "{A35A3452-2211-4DF5-A5A5-406FDF1E1A76}"
EndProject
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "AssetRipper.CIL.Tests", "AssetRipper.CIL.Tests\AssetRipper.CIL.Tests.csproj", "{FC03589F-7457-45E7-9628-F9E003F30BAB}"
EndProject
Global
GlobalSection(SolutionConfigurationPlatforms) = preSolution
@@ -30,6 +36,18 @@ Global
{0E177F49-031D-486A-ADD2-6823263D1923}.Debug|Any CPU.Build.0 = Debug|Any CPU
{0E177F49-031D-486A-ADD2-6823263D1923}.Release|Any CPU.ActiveCfg = Release|Any CPU
{0E177F49-031D-486A-ADD2-6823263D1923}.Release|Any CPU.Build.0 = Release|Any CPU
{9E6D8580-5C3C-4AA8-89C9-34F475B79B24}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
{9E6D8580-5C3C-4AA8-89C9-34F475B79B24}.Debug|Any CPU.Build.0 = Debug|Any CPU
{9E6D8580-5C3C-4AA8-89C9-34F475B79B24}.Release|Any CPU.ActiveCfg = Release|Any CPU
{9E6D8580-5C3C-4AA8-89C9-34F475B79B24}.Release|Any CPU.Build.0 = Release|Any CPU
{A35A3452-2211-4DF5-A5A5-406FDF1E1A76}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
{A35A3452-2211-4DF5-A5A5-406FDF1E1A76}.Debug|Any CPU.Build.0 = Debug|Any CPU
{A35A3452-2211-4DF5-A5A5-406FDF1E1A76}.Release|Any CPU.ActiveCfg = Release|Any CPU
{A35A3452-2211-4DF5-A5A5-406FDF1E1A76}.Release|Any CPU.Build.0 = Release|Any CPU
{FC03589F-7457-45E7-9628-F9E003F30BAB}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
{FC03589F-7457-45E7-9628-F9E003F30BAB}.Debug|Any CPU.Build.0 = Debug|Any CPU
{FC03589F-7457-45E7-9628-F9E003F30BAB}.Release|Any CPU.ActiveCfg = Release|Any CPU
{FC03589F-7457-45E7-9628-F9E003F30BAB}.Release|Any CPU.Build.0 = Release|Any CPU
EndGlobalSection
GlobalSection(SolutionProperties) = preSolution
HideSolutionNode = FALSE
+2 -2
View File
@@ -1,7 +1,7 @@
<Project Sdk="Microsoft.NET.Sdk">
<PropertyGroup>
<TargetFrameworks>netstandard2.0;net6.0;net7.0;net8.0</TargetFrameworks>
<TargetFrameworks>netstandard2.0;net6.0;net7.0;net8.0;net9.0</TargetFrameworks>
<ImplicitUsings>enable</ImplicitUsings>
<PackageId>AssetRipper.CIL</PackageId>
@@ -16,7 +16,7 @@
<ItemGroup>
<PackageReference Include="AsmResolver.DotNet" Version="6.0.0-beta.1" />
<PackageReference Include="PolySharp" Version="1.14.1" PrivateAssets="all" IncludeAssets="runtime; build; native; contentfiles; analyzers; buildtransitive" />
<PackageReference Include="PolySharp" Version="1.15.0" PrivateAssets="all" IncludeAssets="runtime; build; native; contentfiles; analyzers; buildtransitive" />
</ItemGroup>
<ItemGroup>
@@ -129,17 +129,36 @@ public static class CilInstructionCollectionExtensions
ElementType.I2 => instructions.Add(CilOpCodes.Ldind_I2),
ElementType.I4 => instructions.Add(CilOpCodes.Ldind_I4),
ElementType.I8 or ElementType.U8 => instructions.Add(CilOpCodes.Ldind_I8),
ElementType.U1 => instructions.Add(CilOpCodes.Ldind_U1),
ElementType.U2 => instructions.Add(CilOpCodes.Ldind_U2),
ElementType.U1 or ElementType.Boolean => instructions.Add(CilOpCodes.Ldind_U1),
ElementType.U2 or ElementType.Char => instructions.Add(CilOpCodes.Ldind_U2),
ElementType.U4 => instructions.Add(CilOpCodes.Ldind_U4),
ElementType.R4 => instructions.Add(CilOpCodes.Ldind_R4),
ElementType.R8 => instructions.Add(CilOpCodes.Ldind_R8),
ElementType.I or ElementType.U => instructions.Add(CilOpCodes.Ldind_I),
ElementType.Object or ElementType.String => instructions.Add(CilOpCodes.Ldind_Ref),
_ => instructions.Add(CilOpCodes.Ldobj, type.ToTypeDefOrRef()),
},
PointerTypeSignature => instructions.Add(CilOpCodes.Ldind_I),
_ => instructions.Add(CilOpCodes.Ldobj, type.ToTypeDefOrRef()),
GenericParameterSignature => instructions.Add(CilOpCodes.Ldobj, type.ToTypeDefOrRef()),
TypeDefOrRefSignature t => AddTypeDefOrRef(instructions, t),
_ => AddUnknown(instructions, type),
};
static CilInstruction AddUnknown(CilInstructionCollection instructions, TypeSignature type)
{
return type.IsValueType
? instructions.Add(CilOpCodes.Ldobj, type.ToTypeDefOrRef())
: instructions.Add(CilOpCodes.Ldind_Ref);
}
static CilInstruction AddTypeDefOrRef(CilInstructionCollection instructions, TypeDefOrRefSignature type)
{
// Check if the type is an enum
TypeSignature underlyingType = type.GetUnderlyingType();
return underlyingType is CorLibTypeSignature
? instructions.AddLoadIndirect(underlyingType)
: AddUnknown(instructions, underlyingType);
}
}
public static CilInstruction AddStoreIndirect(this CilInstructionCollection instructions, TypeSignature type)
@@ -152,17 +171,36 @@ public static class CilInstructionCollectionExtensions
ElementType.I2 => instructions.Add(CilOpCodes.Stind_I2),
ElementType.I4 => instructions.Add(CilOpCodes.Stind_I4),
ElementType.I8 or ElementType.U8 => instructions.Add(CilOpCodes.Stind_I8),
ElementType.U1 => instructions.Add(CilOpCodes.Stind_I1),
ElementType.U2 => instructions.Add(CilOpCodes.Stind_I2),
ElementType.U1 or ElementType.Boolean => instructions.Add(CilOpCodes.Stind_I1),
ElementType.U2 or ElementType.Char => instructions.Add(CilOpCodes.Stind_I2),
ElementType.U4 => instructions.Add(CilOpCodes.Stind_I4),
ElementType.R4 => instructions.Add(CilOpCodes.Stind_R4),
ElementType.R8 => instructions.Add(CilOpCodes.Stind_R8),
ElementType.I or ElementType.U => instructions.Add(CilOpCodes.Stind_I),
ElementType.Object or ElementType.String => instructions.Add(CilOpCodes.Stind_Ref),
_ => instructions.Add(CilOpCodes.Stobj, type.ToTypeDefOrRef()),
},
PointerTypeSignature => instructions.Add(CilOpCodes.Stind_I),
_ => instructions.Add(CilOpCodes.Stobj, type.ToTypeDefOrRef()),
GenericParameterSignature => instructions.Add(CilOpCodes.Stobj, type.ToTypeDefOrRef()),
TypeDefOrRefSignature t => AddTypeDefOrRef(instructions, t),
_ => AddUnknown(instructions, type),
};
static CilInstruction AddUnknown(CilInstructionCollection instructions, TypeSignature type)
{
return type.IsValueType
? instructions.Add(CilOpCodes.Stobj, type.ToTypeDefOrRef())
: instructions.Add(CilOpCodes.Stind_Ref);
}
static CilInstruction AddTypeDefOrRef(CilInstructionCollection instructions, TypeDefOrRefSignature type)
{
// Check if the type is an enum
TypeSignature underlyingType = type.GetUnderlyingType();
return underlyingType is CorLibTypeSignature
? instructions.AddStoreIndirect(underlyingType)
: AddUnknown(instructions, underlyingType);
}
}
/// <summary>
@@ -0,0 +1,54 @@
using AsmResolver.DotNet;
using AsmResolver.DotNet.Signatures;
using System.Diagnostics.CodeAnalysis;
namespace AssetRipper.CIL;
public static class EventDefinitionExtensions
{
public static bool IsInstance(this EventDefinition eventDefinition)
{
return (eventDefinition.AddMethod?.IsInstance() ?? false)
|| (eventDefinition.RemoveMethod?.IsInstance() ?? false);
}
public static bool IsStatic(this EventDefinition eventDefinition)
{
return (eventDefinition.AddMethod?.IsStatic ?? false)
|| (eventDefinition.RemoveMethod?.IsStatic ?? false);
}
public static bool HasAddMethod(this EventDefinition eventDefinition)
{
return eventDefinition.AddMethod is not null;
}
public static bool HasRemoveMethod(this EventDefinition eventDefinition)
{
return eventDefinition.RemoveMethod is not null;
}
public static bool HasFireMethod(this EventDefinition eventDefinition)
{
return eventDefinition.FireMethod is not null;
}
public static bool HasBackingField(this EventDefinition eventDefinition, [NotNullWhen(true)] out FieldDefinition? backingField)
{
TypeSignature? eventType = eventDefinition.EventType?.ToTypeSignature();
if (eventType is not null)
{
foreach (FieldDefinition field in eventDefinition.DeclaringType?.Fields ?? [])
{
if (field.IsPrivate && field.Name == eventDefinition.Name && SignatureComparer.Default.Equals(field.Signature?.FieldType, eventType))
{
backingField = field;
return true;
}
}
}
backingField = null;
return false;
}
}
@@ -0,0 +1,60 @@
using AsmResolver.DotNet;
using AsmResolver.DotNet.Signatures;
using System.Diagnostics.CodeAnalysis;
namespace AssetRipper.CIL;
public static class FieldDefinitionExtensions
{
public static bool IsInstance(this FieldDefinition field)
{
return !field.IsStatic;
}
private static bool IsPropertyBackingField(this FieldDefinition field, [NotNullWhen(true)] out string? propertyName)
{
string? name = field.Name;
if (name is ['<', ..] && name.EndsWith(">k__BackingField", StringComparison.Ordinal))
{
propertyName = name[1..^16];
return true;
}
else
{
propertyName = null;
return false;
}
}
public static bool IsPropertyBackingField(this FieldDefinition field, [NotNullWhen(true)] out PropertyDefinition? property)
{
if (field.IsPropertyBackingField(out string? propertyName))
{
property = field.DeclaringType?.Properties.FirstOrDefault(p => p.Name == propertyName);
return property is not null
&& field.IsStatic == property.IsStatic()
&& SignatureComparer.Default.Equals(field.Signature?.FieldType, property.Signature?.ReturnType);
}
else
{
property = null;
return false;
}
}
public static bool IsEventBackingField(this FieldDefinition field, [NotNullWhen(true)] out EventDefinition? @event)
{
if (field.IsPrivate)
{
@event = field.DeclaringType?.Events.FirstOrDefault(e => e.Name == field.Name);
return @event is not null
&& field.IsStatic == @event.IsStatic()
&& SignatureComparer.Default.Equals(@event.EventType?.ToTypeSignature(), field.Signature?.FieldType);
}
else
{
@event = null;
return false;
}
}
}
+7 -55
View File
@@ -1,68 +1,20 @@
using AsmResolver.DotNet.Code.Cil;
using AsmResolver.PE.DotNet.Cil;
using AssetRipper.CIL.Manipulation;
namespace AssetRipper.CIL;
public static class MacroStandardization
{
/// <summary>
/// This method expands all macros in the collection and applies some standardizations, such as removing nop instructions.
/// This method expands all macros in the collection and applies some standardizations, such as removing nop and switch instructions.
/// </summary>
/// <param name="instructions">The collection to modify.</param>
public static void StandardizeMacros(this CilInstructionCollection instructions)
{
instructions.ExpandMacros();
instructions.RemoveNopInstructions();
}
private static void RemoveNopInstructions(this CilInstructionCollection instructions)
{
// Find labels that reference nop instructions.
HashSet<CilInstructionLabel> nopLabels = new();
foreach (CilInstruction instruction in instructions)
{
if (instruction.Operand is CilInstructionLabel { Instruction: not null } label && label.Instruction.OpCode == CilOpCodes.Nop)
{
nopLabels.Add(label);
}
else if (instruction.Operand is CilInstructionLabel[] labels) // switch
{
foreach (CilInstructionLabel l in labels)
{
if (l.Instruction is not null && l.Instruction.OpCode == CilOpCodes.Nop)
{
nopLabels.Add(l);
}
}
}
}
// Reassign labels to the next instruction, which is not a nop.
foreach (CilInstructionLabel label in nopLabels)
{
int index = instructions.IndexOf(label.Instruction!);
if (index < 0)
{
throw new InvalidOperationException("Label instruction not found");
}
for (int i = index + 1; i < instructions.Count; i++)
{
if (instructions[i].OpCode != CilOpCodes.Nop)
{
label.Instruction = instructions[i];
break;
}
}
}
// Remove nop instructions
for (int i = instructions.Count - 1; i >= 0; i--)
{
if (instructions[i].OpCode == CilOpCodes.Nop)
{
instructions.RemoveAt(i);
}
}
new CilManipulationContext(instructions)
.Execute<MacroExpander>()
.Execute<NopRemover>()
.Execute<SwitchRemover>()
.Execute<RedundantConversionRemover>();
}
}
@@ -0,0 +1,105 @@
using AsmResolver.DotNet.Code.Cil;
using AsmResolver.PE.DotNet.Cil;
namespace AssetRipper.CIL.Manipulation;
public sealed class CilManipulationContext
{
private readonly Dictionary<CilInstruction, HashSet<CilInstructionLabel>> instructionReferences = new();
public CilInstructionCollection Instructions { get; }
public CilManipulationContext(CilInstructionCollection instructions)
{
Instructions = instructions;
foreach (CilExceptionHandler handler in instructions.Owner.ExceptionHandlers)
{
AddReference(handler.TryStart as CilInstructionLabel);
AddReference(handler.TryEnd as CilInstructionLabel);
AddReference(handler.HandlerStart as CilInstructionLabel);
AddReference(handler.HandlerEnd as CilInstructionLabel);
AddReference(handler.FilterStart as CilInstructionLabel);
}
foreach (CilInstruction instruction in instructions)
{
if (instruction.Operand is CilInstructionLabel label)
{
AddReference(label);
}
else if (instruction.Operand is IReadOnlyList<ICilLabel> labels) // switch
{
foreach (ICilLabel l in labels)
{
AddReference(l as CilInstructionLabel);
}
}
}
}
public bool CanRemove(CilInstruction instruction) => !instructionReferences.ContainsKey(instruction);
public void Remove(CilInstruction instruction)
{
if (!CanRemove(instruction))
{
throw new InvalidOperationException("Cannot remove instruction with references");
}
Instructions.Remove(instruction);
}
public bool TryRemove(CilInstruction instruction)
{
return CanRemove(instruction) && Instructions.Remove(instruction);
}
public void Replace(CilInstruction oldInstruction, CilInstruction newInstruction)
{
if (instructionReferences.TryGetValue(oldInstruction, out HashSet<CilInstructionLabel>? references))
{
instructionReferences.Remove(oldInstruction);
instructionReferences.Add(newInstruction, references);
foreach (CilInstructionLabel label in references)
{
label.Instruction = newInstruction;
}
}
Instructions[Instructions.IndexOf(oldInstruction)] = newInstruction;
}
public void ReassignReferences(CilInstruction oldInstruction, CilInstruction newInstruction)
{
if (instructionReferences.TryGetValue(oldInstruction, out HashSet<CilInstructionLabel>? oldReferences))
{
instructionReferences.Remove(oldInstruction);
foreach (CilInstructionLabel label in oldReferences)
{
label.Instruction = newInstruction;
}
if (instructionReferences.TryGetValue(newInstruction, out HashSet<CilInstructionLabel>? newReferences))
{
newReferences.UnionWith(oldReferences);
}
else
{
instructionReferences.Add(newInstruction, oldReferences);
}
}
}
public CilManipulationContext Execute<T>() where T : ICilManipulator, new()
{
SingletonCache<T>.Instance.Execute(this);
return this;
}
private void AddReference(CilInstructionLabel? label)
{
CilInstruction? instruction = label?.Instruction;
if (instruction is not null)
{
instructionReferences.GetOrCreate(instruction).Add(label!);
}
}
}
@@ -0,0 +1,16 @@
namespace AssetRipper.CIL.Manipulation;
internal static class DictionaryExtensions
{
public static TValue GetOrCreate<TKey, TValue>(this Dictionary<TKey, TValue> dictionary, TKey key)
where TKey : notnull
where TValue : new()
{
if (!dictionary.TryGetValue(key, out TValue? value))
{
value = new TValue();
dictionary[key] = value;
}
return value;
}
}
@@ -0,0 +1,12 @@
namespace AssetRipper.CIL.Manipulation;
/// <summary>
/// An interface for manipulating CIL instructions.
/// </summary>
/// <remarks>
/// Derived classes are expected to be stateless and have a parameterless constructor.
/// </remarks>
public interface ICilManipulator
{
void Execute(CilManipulationContext context);
}
@@ -0,0 +1,6 @@
namespace AssetRipper.CIL.Manipulation;
public sealed class MacroExpander : ICilManipulator
{
public void Execute(CilManipulationContext context) => context.Instructions.ExpandMacros();
}
@@ -0,0 +1,6 @@
namespace AssetRipper.CIL.Manipulation;
public sealed class MacroOptimizer : ICilManipulator
{
public void Execute(CilManipulationContext context) => context.Instructions.OptimizeMacros();
}
@@ -0,0 +1,31 @@
using AsmResolver.PE.DotNet.Cil;
namespace AssetRipper.CIL.Manipulation;
/// <summary>
/// This removes all nop instructions.
/// </summary>
/// <remarks>
/// This is a stronger version of <see cref="UnreferencedNopRemover"/>.
/// </remarks>
public sealed class NopRemover : ICilManipulator
{
public void Execute(CilManipulationContext context)
{
int i = 1;
while (i < context.Instructions.Count)
{
CilInstruction previousInstruction = context.Instructions[i - 1];
if (previousInstruction.OpCode == CilOpCodes.Nop)
{
CilInstruction currentInstruction = context.Instructions[i];
context.ReassignReferences(previousInstruction, currentInstruction);
context.Remove(previousInstruction);
}
else
{
i++;
}
}
}
}
@@ -0,0 +1,29 @@
using AsmResolver.PE.DotNet.Cil;
namespace AssetRipper.CIL.Manipulation;
public sealed class RedundantConversionRemover : ICilManipulator
{
public void Execute(CilManipulationContext context)
{
int i = 1;
while (i < context.Instructions.Count)
{
CilInstruction previousInstruction = context.Instructions[i - 1];
CilInstruction instruction = context.Instructions[i];
if (previousInstruction.OpCode == instruction.OpCode
&& instruction.OpCode.Code
is CilCode.Conv_I1 or CilCode.Conv_I2 or CilCode.Conv_I4 or CilCode.Conv_I8
or CilCode.Conv_U1 or CilCode.Conv_U2 or CilCode.Conv_U4 or CilCode.Conv_U8
or CilCode.Conv_R4 or CilCode.Conv_R8
or CilCode.Conv_I or CilCode.Conv_U
&& (context.TryRemove(instruction) || context.TryRemove(previousInstruction)))
{
}
else
{
i++;
}
}
}
}
@@ -0,0 +1,6 @@
namespace AssetRipper.CIL.Manipulation;
internal static class SingletonCache<T> where T : new()
{
public static T Instance { get; } = new T();
}
@@ -0,0 +1,44 @@
using AsmResolver.DotNet;
using AsmResolver.DotNet.Code.Cil;
using AsmResolver.PE.DotNet.Cil;
namespace AssetRipper.CIL.Manipulation;
/// <summary>
/// This manipulator removes switch instructions by converting them to a series of conditional branches.
/// </summary>
public sealed class SwitchRemover : ICilManipulator
{
public void Execute(CilManipulationContext context)
{
ModuleDefinition? module = context.Instructions.Owner.Owner.Module;
if (module is null)
{
return;
}
for (int i = 0; i < context.Instructions.Count; i++)
{
CilInstruction instruction = context.Instructions[i];
if (instruction.OpCode == CilOpCodes.Switch && instruction.Operand is IReadOnlyList<ICilLabel> labels)
{
CilLocalVariable switchValue = context.Instructions.AddLocalVariable(module.CorLibTypeFactory.UInt32);
context.Replace(instruction, new CilInstruction(CilOpCodes.Conv_U4));
context.Instructions.Insert(i + 1, new CilInstruction(CilOpCodes.Stloc, switchValue));
i++; // No need to process the newly added instruction
for (int j = 0; j < labels.Count; j++)
{
ICilLabel label = labels[j];
context.Instructions.Insert(i + 1, new CilInstruction(CilOpCodes.Ldloc, switchValue));
context.Instructions.Insert(i + 2, new CilInstruction(CilOpCodes.Ldc_I4, j));
context.Instructions.Insert(i + 3, new CilInstruction(CilOpCodes.Ceq));
context.Instructions.Insert(i + 4, new CilInstruction(CilOpCodes.Brtrue, label));
i += 4; // No need to process the newly added instructions
}
}
}
}
}
@@ -0,0 +1,25 @@
using AsmResolver.PE.DotNet.Cil;
namespace AssetRipper.CIL.Manipulation;
/// <summary>
/// This removes unreferenced nop instructions.
/// </summary>
public sealed class UnreferencedNopRemover : ICilManipulator
{
public void Execute(CilManipulationContext context)
{
int i = 0;
while (i < context.Instructions.Count)
{
CilInstruction instruction = context.Instructions[i];
if (instruction.OpCode == CilOpCodes.Nop && context.TryRemove(instruction))
{
}
else
{
i++;
}
}
}
}
@@ -87,8 +87,9 @@ public static class MethodDefinitionExtensions
string backingFieldName = $"<{method.Name.Value[4..]}>k__BackingField";
FieldDefinition? field = method.DeclaringType.Fields.FirstOrDefault(f => f.Name == backingFieldName);
if (field is null
|| !SignatureComparer.Default.Equals(field.Signature?.FieldType, method.Signature?.ReturnType)
|| field.IsStatic != method.IsStatic)
|| !field.IsPrivate
|| field.IsStatic != method.IsStatic
|| !SignatureComparer.Default.Equals(field.Signature?.FieldType, method.Signature?.ReturnType))
{
backingField = null;
return false;
@@ -116,8 +117,9 @@ public static class MethodDefinitionExtensions
string backingFieldName = $"<{method.Name.Value[4..]}>k__BackingField";
FieldDefinition? field = method.DeclaringType.Fields.FirstOrDefault(f => f.Name == backingFieldName);
if (field is null
|| !SignatureComparer.Default.Equals(field.Signature?.FieldType, method.Parameters[0].ParameterType)
|| field.IsStatic != method.IsStatic)
|| !field.IsPrivate
|| field.IsStatic != method.IsStatic
|| !SignatureComparer.Default.Equals(field.Signature?.FieldType, method.Parameters[0].ParameterType))
{
backingField = null;
return false;
+19 -5
View File
@@ -23,12 +23,12 @@ internal static class MethodStubber
{
if (methodDefinition.IsStatic)
{
methodInstructions.Add(CilOpCodes.Ldsfld, backingField);
methodInstructions.Add(CilOpCodes.Ldsfld, backingField.MakeGenericIfNecessary());
}
else
{
methodInstructions.Add(CilOpCodes.Ldarg_0);
methodInstructions.Add(CilOpCodes.Ldfld, backingField);
methodInstructions.Add(CilOpCodes.Ldfld, backingField.MakeGenericIfNecessary());
}
methodInstructions.Add(CilOpCodes.Ret);
return;
@@ -38,13 +38,13 @@ internal static class MethodStubber
if (methodDefinition.IsStatic)
{
methodInstructions.Add(CilOpCodes.Ldarg_0);
methodInstructions.Add(CilOpCodes.Stsfld, backingField);
methodInstructions.Add(CilOpCodes.Stsfld, backingField.MakeGenericIfNecessary());
}
else
{
methodInstructions.Add(CilOpCodes.Ldarg_0);
methodInstructions.Add(CilOpCodes.Ldarg_1);
methodInstructions.Add(CilOpCodes.Stfld, backingField);
methodInstructions.Add(CilOpCodes.Stfld, backingField.MakeGenericIfNecessary());
}
methodInstructions.Add(CilOpCodes.Ret);
return;
@@ -62,7 +62,7 @@ internal static class MethodStubber
methodInstructions.Add(CilOpCodes.Ldarg_0);
methodInstructions.AddDefaultValue(field.Signature.FieldType);
methodInstructions.Add(CilOpCodes.Stfld, field);
methodInstructions.Add(CilOpCodes.Stfld, field.MakeGenericIfNecessary());
}
}
@@ -181,4 +181,18 @@ internal static class MethodStubber
baseConstructor = TryGetBaseConstructor(methodDefinition);
return baseConstructor is not null;
}
private static IFieldDescriptor MakeGenericIfNecessary(this FieldDefinition field)
{
if (field.DeclaringType is null or { GenericParameters.Count: 0 })
{
return field;
}
TypeSignature[] typeArguments = Enumerable.Range(0, field.DeclaringType.GenericParameters.Count)
.Select(i => new GenericParameterSignature(field.Module, GenericParameterType.Type, i))
.ToArray();
return new MemberReference(field.DeclaringType.MakeGenericInstanceType(typeArguments).ToTypeDefOrRef(), field.Name, field.Signature);
}
}
@@ -0,0 +1,45 @@
using AsmResolver.DotNet;
using AsmResolver.DotNet.Signatures;
using System.Diagnostics.CodeAnalysis;
namespace AssetRipper.CIL;
public static class PropertyDefinitionExtensions
{
public static bool HasBackingField(this PropertyDefinition property, [NotNullWhen(true)] out FieldDefinition? backingField)
{
string backingFieldName = $"<{property.Name}>k__BackingField";
backingField = property.DeclaringType?.Fields.FirstOrDefault(f => f.Name == backingFieldName);
if (backingField is null
|| !backingField.IsPrivate
|| backingField.IsStatic != property.IsStatic()
|| !SignatureComparer.Default.Equals(backingField.Signature?.FieldType, property.Signature?.ReturnType))
{
backingField = null;
return false;
}
else
{
return true;
}
}
public static bool HasGetMethod(this PropertyDefinition property)
{
return property.GetMethod is not null;
}
public static bool HasSetMethod(this PropertyDefinition property)
{
return property.SetMethod is not null;
}
public static bool HasBothAccessors(this PropertyDefinition property)
{
return property.HasGetMethod() && property.HasSetMethod();
}
public static bool IsInstance(this PropertyDefinition property) => property.Signature?.HasThis ?? false;
public static bool IsStatic(this PropertyDefinition property) => !property.Signature?.HasThis ?? false;
}
+26 -26
View File
@@ -1,27 +1,27 @@
<Project>
<PropertyGroup>
<LangVersion>Latest</LangVersion>
<Nullable>enable</Nullable>
<IsAotCompatible>true</IsAotCompatible>
<CheckForOverflowUnderflow>true</CheckForOverflowUnderflow>
<PolySharpIncludeRuntimeSupportedAttributes>true</PolySharpIncludeRuntimeSupportedAttributes>
<Version>1.1.1</Version>
<AssemblyVersion>$(Version)</AssemblyVersion>
<Copyright>Copyright (c) 2024 ds5678</Copyright>
<Authors>ds5678</Authors>
<Company>AssetRipper</Company>
<PackageLicenseExpression>MIT</PackageLicenseExpression>
<RepositoryType>git</RepositoryType>
<RepositoryUrl>https://github.com/AssetRipper/AssetRipper.CIL</RepositoryUrl>
<PackageProjectUrl>$(RepositoryUrl)</PackageProjectUrl>
</PropertyGroup>
<PropertyGroup Condition="$([MSBuild]::IsTargetFrameworkCompatible('$(TargetFramework)', 'net6.0'))">
<IsTrimmable>true</IsTrimmable>
</PropertyGroup>
<PropertyGroup Condition="$([MSBuild]::IsTargetFrameworkCompatible('$(TargetFramework)', 'net8.0'))">
<IsAotCompatible>true</IsAotCompatible>
</PropertyGroup>
<Project>
<PropertyGroup>
<LangVersion>Latest</LangVersion>
<Nullable>enable</Nullable>
<IsAotCompatible>true</IsAotCompatible>
<CheckForOverflowUnderflow>true</CheckForOverflowUnderflow>
<PolySharpIncludeRuntimeSupportedAttributes>true</PolySharpIncludeRuntimeSupportedAttributes>
<Version>1.1.4</Version>
<AssemblyVersion>$(Version)</AssemblyVersion>
<Copyright>Copyright (c) 2024 ds5678</Copyright>
<Authors>ds5678</Authors>
<Company>AssetRipper</Company>
<PackageLicenseExpression>MIT</PackageLicenseExpression>
<RepositoryType>git</RepositoryType>
<RepositoryUrl>https://github.com/AssetRipper/AssetRipper.CIL</RepositoryUrl>
<PackageProjectUrl>$(RepositoryUrl)</PackageProjectUrl>
</PropertyGroup>
<PropertyGroup Condition="$([MSBuild]::IsTargetFrameworkCompatible('$(TargetFramework)', 'net6.0'))">
<IsTrimmable>true</IsTrimmable>
</PropertyGroup>
<PropertyGroup Condition="$([MSBuild]::IsTargetFrameworkCompatible('$(TargetFramework)', 'net8.0'))">
<IsAotCompatible>true</IsAotCompatible>
</PropertyGroup>
</Project>