Bump version

Modified conditions in CilInstructionCollectionExtensions.cs to check for both ByReferenceTypeSignature and PointerTypeSignature. This ensures null references are added and stored for both types.

AssetRipper.CIL.Standardizer/AssetRipper.CIL.Standardizer.csproj

@@ -2,7 +2,7 @@
 
 	<PropertyGroup>
 		<OutputType>Exe</OutputType>
-		<TargetFramework>net8.0</TargetFramework>
+		<TargetFramework>net9.0</TargetFramework>
 		<ImplicitUsings>enable</ImplicitUsings>
 		<Nullable>enable</Nullable>
 	</PropertyGroup>

AssetRipper.CIL.Stubber/AssetRipper.CIL.Stubber.csproj

@@ -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>

AssetRipper.CIL.Stubber/Program.cs

@@ -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!");
+		}
+	}
+}

AssetRipper.CIL.Tests/AssetRipper.CIL.Tests.csproj

@@ -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>

AssetRipper.CIL.Tests/LoadIndirectTests.cs

@@ -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;
+	}
+}

AssetRipper.CIL.Tests/StoreIndirectTests.cs

@@ -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;
+	}
+}

AssetRipper.CIL.Validator/AssetRipper.CIL.Validator.csproj

@@ -2,7 +2,7 @@
 
 	<PropertyGroup>
 		<OutputType>Exe</OutputType>
-		<TargetFramework>net8.0</TargetFramework>
+		<TargetFramework>net9.0</TargetFramework>
 		<ImplicitUsings>enable</ImplicitUsings>
 		<Nullable>enable</Nullable>
 	</PropertyGroup>

AssetRipper.CIL.sln

@@ -18,6 +18,10 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "AssetRipper.CIL.Validator",
 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
 		Debug|Any CPU = Debug|Any CPU
@@ -36,6 +40,14 @@ Global
 		{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

AssetRipper.CIL/CilInstructionCollectionExtensions.cs

@@ -22,7 +22,7 @@ public static class CilInstructionCollectionExtensions
 		{
 			instructions.AddDefaultPrimitiveValue(corLibTypeSignature);
 		}
-		else if (type is ByReferenceTypeSignature)
+		else if (type is ByReferenceTypeSignature or PointerTypeSignature)
 		{
 			instructions.AddNullRef();
 		}
@@ -43,7 +43,7 @@ public static class CilInstructionCollectionExtensions
 		{
 			instructions.InitializeDefaultPrimitiveValue(corLibTypeSignature, localVariable);
 		}
-		else if (type is ByReferenceTypeSignature)
+		else if (type is ByReferenceTypeSignature or PointerTypeSignature)
 		{
 			instructions.AddNullRef();
 			instructions.Add(CilOpCodes.Stloc, localVariable);
@@ -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>

AssetRipper.CIL/MethodStubber.cs

@@ -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);
+	}
 }

Directory.Build.props

@@ -6,9 +6,9 @@
 		<CheckForOverflowUnderflow>true</CheckForOverflowUnderflow>
 		<PolySharpIncludeRuntimeSupportedAttributes>true</PolySharpIncludeRuntimeSupportedAttributes>
 
-		<Version>1.1.3</Version>
+		<Version>1.1.5</Version>
 		<AssemblyVersion>$(Version)</AssemblyVersion>
-		<Copyright>Copyright (c) 2024 ds5678</Copyright>
+		<Copyright>Copyright (c) 2025 ds5678</Copyright>
 		<Authors>ds5678</Authors>
 		<Company>AssetRipper</Company>
 		<PackageLicenseExpression>MIT</PackageLicenseExpression>