Add .NET 8.0 target

.editorconfig

@@ -57,6 +57,9 @@ dotnet_diagnostic.CA1305.severity = none        # CA1305: Specify IFormatProvide
 dotnet_diagnostic.CA1307.severity = suggestion  # CA1307: Specify StringComparison for clarity
 dotnet_diagnostic.CA1309.severity = suggestion  # CA1309: Use ordinal string comparison
 dotnet_diagnostic.CA1310.severity = warning     # CA1310: Specify StringComparison for correctness
+dotnet_diagnostic.CA1510.severity = none        # CA1510: Use ArgumentNullException throw helper
+dotnet_diagnostic.CA1512.severity = none        # CA1512: Use ArgumentOutOfRangeException throw helper
+dotnet_diagnostic.CA1513.severity = none        # CA1513: Use ObjectDisposedException throw helper
 dotnet_diagnostic.CA1707.severity = none        # CA1707: Identifiers should not contain underscores
 dotnet_diagnostic.CA1708.severity = none        # CA1708: Identifiers should differ by more than case
 dotnet_diagnostic.CA1710.severity = none        # CA1710: Identifiers should have correct suffix
@@ -70,7 +73,6 @@ dotnet_diagnostic.CA1805.severity = suggestion  # CA1805: Do not initialize unne
 dotnet_diagnostic.CA1806.severity = none        # CA1806: Do not ignore method results
 dotnet_diagnostic.CA1816.severity = suggestion  # CA1816: Dispose methods should call SuppressFinalize
 dotnet_diagnostic.CA1822.severity = none        # CA1822: Mark members as static
-dotnet_diagnostic.CA1825.severity = none        # CA1825: Avoid zero-length array allocations
 dotnet_diagnostic.CA1830.severity = suggestion  # CA1830: Prefer strongly-typed Append and Insert method overloads on StringBuilder
 dotnet_diagnostic.CA1834.severity = suggestion  # CA1834: Consider using 'StringBuilder.Append(char)' when applicable
 dotnet_diagnostic.CA1837.severity = suggestion  # CA1837: Use 'Environment.ProcessId'
@@ -79,9 +81,9 @@ dotnet_diagnostic.CA1845.severity = none        # CA1845: Use span-based 'string
 dotnet_diagnostic.CA1846.severity = none        # CA1846: Prefer 'AsSpan' over 'Substring'
 dotnet_diagnostic.CA1847.severity = none        # CA1847: Use char literal for a single character lookup
 dotnet_diagnostic.CA1852.severity = suggestion  # CA1852: Seal internal types
-dotnet_diagnostic.CA1854.severity = suggestion  # CA1854: Prefer the 'IDictionary.TryGetValue(TKey, out TValue)' method
 dotnet_diagnostic.CA1859.severity = suggestion  # CA1859: Use concrete types when possible for improved performance
 dotnet_diagnostic.CA1861.severity = suggestion  # CA1861: Avoid constant arrays as arguments
+dotnet_diagnostic.CA1863.severity = none        # CA1863: Use 'CompositeFormat'
 dotnet_diagnostic.CA2101.severity = suggestion  # CA2101: Specify marshaling for P/Invoke string arguments
 dotnet_diagnostic.CA2201.severity = none        # CA2201: Do not raise reserved exception types
 dotnet_diagnostic.CA2208.severity = suggestion  # CA2208: Instantiate argument exceptions correctly
@@ -94,3 +96,6 @@ dotnet_diagnostic.CA5350.severity = suggestion  # CA5350: Do Not Use Weak Crypto
 dotnet_diagnostic.CA5351.severity = suggestion  # CA5351: Do Not Use Broken Cryptographic Algorithms
 dotnet_diagnostic.CA5359.severity = suggestion  # CA5359: Do Not Disable Certificate Validation
 dotnet_diagnostic.CA5372.severity = suggestion  # CA5372: Use XmlReader For XPathDocument
+
+dotnet_diagnostic.SYSLIB1045.severity = suggestion # SYSLIB1045: Use 'RegexGeneratorAttribute' to generate the regular expression implementation at compile-time
+dotnet_diagnostic.SYSLIB1054.severity = suggestion # SYSLIB1054: Use 'LibraryImportAttribute' instead of 'DllImportAttribute' to generate P/Invoke marshalling code at compile time

.github/workflows/main.yml

@@ -10,7 +10,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [windows-latest, ubuntu-latest, macos-latest]
+        os: [windows-latest, ubuntu-latest, macos-latest-large]
 
     steps:
     - uses: actions/checkout@v2
@@ -22,6 +22,15 @@ jobs:
       uses: actions/setup-dotnet@v1
       with:
         dotnet-version: '6.0.x'
+    - name: Setup .NET 8.0
+      uses: actions/setup-dotnet@v1
+      with:
+        dotnet-version: '8.0.x'
+    - name: Setup .NET 9.0
+      uses: actions/setup-dotnet@v1
+      with:
+        dotnet-version: '9.0.x'
+        include-prerelease: true
     - name: Build
       run: pwsh make.ps1
     - name: Package
@@ -39,3 +48,9 @@ jobs:
     - name: Test (net6.0)
       run: ./make.ps1 -frameworks net6.0 test-all
       shell: pwsh
+    - name: Test (net8.0)
+      run: ./make.ps1 -frameworks net8.0 test-all
+      shell: pwsh
+    - name: Test (net9.0)
+      run: ./make.ps1 -frameworks net9.0 test-all
+      shell: pwsh

Build.proj

@@ -108,7 +108,7 @@
           Outputs="$(PackageDir)\DynamicLanguageRuntime.$(PackageVersion).zip">
     <ItemGroup>
       <ZipFiles Include="$(StageDir)\**\*.dll;$(StageDir)\**\*.xml;$(StageDir)\README.md;$(StageDir)\LICENSE"
-                Exclude="$(StageDir)\netcoreapp3.1\*;$(StageDir)\net7.0*\*;$(StageDir)\net8.0*\*" />
+                Exclude="$(StageDir)\netcoreapp3.1\*;$(StageDir)\net7.0*\*;$(StageDir)\net9.0*\*" />
     </ItemGroup>
     <Message Text="$(ZipFiles)" />
     <Zip Files="@(ZipFiles)" ZipFileName="$(PackageDir)\DynamicLanguageRuntime.$(PackageVersion).zip" WorkingDirectory="$(StageDir)"/>

Build/net8.0.props

@@ -0,0 +1,37 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="4.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <PropertyGroup>
+    <IsFullFramework>false</IsFullFramework>
+  </PropertyGroup>
+
+  <PropertyGroup>
+    <Features>$(Features);FEATURE_APARTMENTSTATE</Features>
+    <Features>$(Features);FEATURE_ASSEMBLY_GETFORWARDEDTYPES</Features>
+    <Features>$(Features);FEATURE_ASSEMBLY_RESOLVE</Features>
+    <Features>$(Features);FEATURE_ASSEMBLYBUILDER_DEFINEDYNAMICASSEMBLY</Features>
+    <Features>$(Features);FEATURE_CODEDOM</Features>
+    <Features>$(Features);FEATURE_COM</Features>
+    <Features>$(Features);FEATURE_CONFIGURATION</Features>
+    <Features>$(Features);FEATURE_CUSTOM_TYPE_DESCRIPTOR</Features>
+    <Features>$(Features);FEATURE_EXCEPTION_STATE</Features>
+    <Features>$(Features);FEATURE_FILESYSTEM</Features>
+    <Features>$(Features);FEATURE_FULL_CRYPTO</Features>
+    <Features>$(Features);FEATURE_FULL_NET</Features>
+    <Features>$(Features);FEATURE_LCG</Features>
+    <Features>$(Features);FEATURE_LOADWITHPARTIALNAME</Features>
+    <Features>$(Features);FEATURE_METADATA_READER</Features>
+    <Features>$(Features);FEATURE_MMAP</Features>
+    <Features>$(Features);FEATURE_NATIVE</Features>
+    <Features>$(Features);FEATURE_PIPES</Features>
+    <Features>$(Features);FEATURE_PROCESS</Features>
+    <Features>$(Features);FEATURE_REFEMIT</Features>
+    <Features>$(Features);FEATURE_REGISTRY</Features>
+    <Features>$(Features);FEATURE_SECURITY_RULES</Features>
+    <Features>$(Features);FEATURE_STACK_TRACE</Features>
+    <Features>$(Features);FEATURE_SYNC_SOCKETS</Features>
+    <Features>$(Features);FEATURE_THREAD</Features>
+    <Features>$(Features);FEATURE_TYPE_EQUIVALENCE</Features>
+    <Features>$(Features);FEATURE_TYPECONVERTER</Features>
+    <Features>$(Features);FEATURE_XMLDOC</Features>
+  </PropertyGroup>
+</Project>

Build/net9.0.props

@@ -0,0 +1,37 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="4.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <PropertyGroup>
+    <IsFullFramework>false</IsFullFramework>
+  </PropertyGroup>
+
+  <PropertyGroup>
+    <Features>$(Features);FEATURE_APARTMENTSTATE</Features>
+    <Features>$(Features);FEATURE_ASSEMBLY_GETFORWARDEDTYPES</Features>
+    <Features>$(Features);FEATURE_ASSEMBLY_RESOLVE</Features>
+    <Features>$(Features);FEATURE_ASSEMBLYBUILDER_DEFINEDYNAMICASSEMBLY</Features>
+    <Features>$(Features);FEATURE_CODEDOM</Features>
+    <Features>$(Features);FEATURE_COM</Features>
+    <Features>$(Features);FEATURE_CONFIGURATION</Features>
+    <Features>$(Features);FEATURE_CUSTOM_TYPE_DESCRIPTOR</Features>
+    <Features>$(Features);FEATURE_EXCEPTION_STATE</Features>
+    <Features>$(Features);FEATURE_FILESYSTEM</Features>
+    <Features>$(Features);FEATURE_FULL_CRYPTO</Features>
+    <Features>$(Features);FEATURE_FULL_NET</Features>
+    <Features>$(Features);FEATURE_LCG</Features>
+    <Features>$(Features);FEATURE_LOADWITHPARTIALNAME</Features>
+    <Features>$(Features);FEATURE_METADATA_READER</Features>
+    <Features>$(Features);FEATURE_MMAP</Features>
+    <Features>$(Features);FEATURE_NATIVE</Features>
+    <Features>$(Features);FEATURE_PIPES</Features>
+    <Features>$(Features);FEATURE_PROCESS</Features>
+    <Features>$(Features);FEATURE_REFEMIT</Features>
+    <Features>$(Features);FEATURE_REGISTRY</Features>
+    <Features>$(Features);FEATURE_SECURITY_RULES</Features>
+    <Features>$(Features);FEATURE_STACK_TRACE</Features>
+    <Features>$(Features);FEATURE_SYNC_SOCKETS</Features>
+    <Features>$(Features);FEATURE_THREAD</Features>
+    <Features>$(Features);FEATURE_TYPE_EQUIVALENCE</Features>
+    <Features>$(Features);FEATURE_TYPECONVERTER</Features>
+    <Features>$(Features);FEATURE_XMLDOC</Features>
+  </PropertyGroup>
+</Project>

Build/steps.yml

@@ -28,17 +28,30 @@ steps:
       version: '3.1.x'
 
   - task: UseDotNet@2
-    displayName: Install .NET 6.0 SDK for build
+    displayName: Install .NET 6.0 runtime for testing
     inputs:
-      packageType: 'sdk'
+      packageType: 'runtime'
       version: '6.0.x'
 
+  - task: UseDotNet@2
+    displayName: Install .NET 8.0 SDK for build
+    inputs:
+      packageType: 'sdk'
+      version: '8.0.x'
+
+  - task: UseDotNet@2
+    displayName: Install .NET 9.0 SDK for build
+    inputs:
+      packageType: 'sdk'
+      version: '9.0.x'
+      includePreviewVersions: true
+
   # Set Mono version on macOS
   - ${{ if eq(parameters.os, 'macOS') }}:
-    - task: ms-devlabs.utilitytasks.task-Shellpp.Shell++@0
+    - task: Bash@3
       displayName: Set Mono Version
       inputs:
-        type: InlineScript
+        targetType: inline
         script: |
           # use Mono 6.4.0 version
           SYMLINK=6.4.0
@@ -47,31 +60,15 @@ steps:
           echo "##vso[task.setvariable variable=PKG_CONFIG_PATH;]$MONOPREFIX/lib/pkgconfig:$MONOPREFIX/share/pkgconfig:$PKG_CONFIG_PATH"
           echo "##vso[task.setvariable variable=PATH;]$MONOPREFIX/bin:$PATH"
 
-  # Install mono when running on Linux
-  - ${{ if eq(parameters.os, 'Linux') }}:
-    - task: ms-devlabs.utilitytasks.task-Shellpp.Shell++@0
-      displayName: Version Information
-      inputs:
-        type: InlineScript
-        script: |
-
-          # Dump some info about the tools
-          mono --version
-          msbuild /version
-          dotnet --info
-          df -Th
-
-  # Dump version info on macOS
-  - ${{ if eq(parameters.os, 'macOS') }}:
-    - task: ms-devlabs.utilitytasks.task-Shellpp.Shell++@0
-      displayName: Version Information
-      inputs:
-        type: InlineScript
-        script: |
-          # Dump some info about the tools
-          mono --version
-          msbuild /version
-          dotnet --info
+  # Dump version info
+  - task: PowerShell@2
+    displayName: Version Information
+    inputs:
+      targetType: inline
+      script: |
+        dotnet --info
+        try { msbuild -version } catch { }
+        try { mono --version } catch { }
 
   - powershell: ./make.ps1
     displayName: Build

Dlr.sln

@@ -37,6 +37,8 @@ Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Build", "Build", "{60056F49
 		Build\After.targets = Build\After.targets
 		Build\net462.props = Build\net462.props
 		Build\net6.0.props = Build\net6.0.props
+		Build\net8.0.props = Build\net8.0.props
+		Build\net9.0.props = Build\net9.0.props
 		Build\netstandard2.0.props = Build\netstandard2.0.props
 		Build\steps.yml = Build\steps.yml
 	EndProjectSection

Package/nuget/DynamicLanguageRuntime.nuspec

@@ -26,12 +26,15 @@
       <group targetFramework="net6.0">
         <dependency id="System.CodeDom" version="6.0.0" />
       </group>
+      <group targetFramework="net8.0">
+        <dependency id="System.CodeDom" version="8.0.0" />
+      </group>
     </dependencies>
   </metadata>
   <files>
-    <file src="**\*.dll" target="lib" exclude="netcoreapp3.1\*;net7.0*\*;net8.0*\*" />
-    <file src="**\*.pdb" target="lib" exclude="netcoreapp3.1\*;net7.0*\*;net8.0*\*" />
-    <file src="**\*.xml" target="lib" exclude="netcoreapp3.1\*;net7.0*\*;net8.0*\*" />
+    <file src="**\*.dll" target="lib" exclude="netcoreapp3.1\*;net7.0*\*;net9.0*\*" />
+    <file src="**\*.pdb" target="lib" exclude="netcoreapp3.1\*;net7.0*\*;net9.0*\*" />
+    <file src="**\*.xml" target="lib" exclude="netcoreapp3.1\*;net7.0*\*;net9.0*\*" />
     <file src="README.md;LICENSE" />
   </files>
 </package>

Src/Microsoft.Dynamic/Actions/Calls/ArgumentBinding.cs

@@ -7,7 +7,7 @@
 namespace Microsoft.Scripting.Actions.Calls {
     [System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Performance", "CA1815:OverrideEqualsAndOperatorEqualsOnValueTypes")] // TODO
     public struct ArgumentBinding {
-        private static readonly int[] _EmptyBinding = new int[0];
+        private static readonly int[] _EmptyBinding = System.Array.Empty<int>();
 
         private readonly int _positionalArgCount;
         private readonly int[] _binding; // immutable

Src/Microsoft.Dynamic/Actions/MemberTracker.cs

@@ -24,7 +24,7 @@ namespace Microsoft.Scripting.Actions {
     /// </summary>
     public abstract class MemberTracker {
         [System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Security", "CA2105:ArrayFieldsShouldNotBeReadOnly")]
-        public static readonly MemberTracker[] EmptyTrackers = new MemberTracker[0];
+        public static readonly MemberTracker[] EmptyTrackers = Array.Empty<MemberTracker>();
 
         private static readonly Dictionary<MemberKey, MemberTracker> _trackers = new Dictionary<MemberKey, MemberTracker>();
 

Src/Microsoft.Dynamic/Actions/NamespaceTracker.cs

@@ -54,7 +54,7 @@ internal NamespaceTracker GetOrMakeChildPackage(string childName, Assembly assem
 
             if (_dict.TryGetValue(childName, out MemberTracker ret)) {
                 // If we have a module, then we add the assembly to the InnerModule
-                // If it's not a module, we'll wipe it out below, eg "def System(): pass" then 
+                // If it's not a module, we'll wipe it out below, eg "def System(): pass" then
                 // "import System" will result in the namespace being visible.
                 if (ret is NamespaceTracker package) {
                     if (!package._packageAssemblies.Contains(assem)) {
@@ -102,10 +102,11 @@ internal void AddTypeName(string typeName, Assembly assem) {
             Assert.NotNull(typeName, assem);
             Debug.Assert(typeName.IndexOf('.') == -1); // This is the simple name, not the full name
 
-            if (!_typeNames.ContainsKey(assem)) {
-                _typeNames[assem] = new TypeNames(assem, _fullName);
+            if (!_typeNames.TryGetValue(assem, out TypeNames typeNames)) {
+                typeNames = new TypeNames(assem, _fullName);
+                _typeNames[assem] = typeNames;
             }
-            _typeNames[assem].AddTypeName(typeName);
+            typeNames.AddTypeName(typeName);
 
             string normalizedTypeName = ReflectionUtils.GetNormalizedTypeName(typeName);
             if (_dict.ContainsKey(normalizedTypeName)) {
@@ -194,9 +195,9 @@ private NamespaceTracker GetOrMakePackageHierarchy(Assembly assem, string fullNa
         }
         /// <summary>
         /// As a fallback, so if the type does exist in any assembly. This would happen if a new type was added
-        /// that was not in the hardcoded list of types. 
+        /// that was not in the hardcoded list of types.
         /// This code is not accurate because:
-        /// 1. We dont deal with generic types (TypeCollision). 
+        /// 1. We dont deal with generic types (TypeCollision).
         /// 2. Previous calls to GetCustomMemberNames (eg. "from foo import *" in Python) would not have included this type.
         /// 3. This does not deal with new namespaces added to the assembly
         /// </summary>
@@ -215,7 +216,7 @@ private MemberTracker CheckForUnlistedType(string nameString) {
                     continue;
                 }
 
-                // We dont use TypeCollision.UpdateTypeEntity here because we do not handle generic type names                    
+                // We dont use TypeCollision.UpdateTypeEntity here because we do not handle generic type names
                 return TypeTracker.GetTypeTracker(type);
             }
 
@@ -309,7 +310,7 @@ private IList AddKeys(IList res) {
                     }
                 }
             }
-            
+
             return res;
         }
 
@@ -405,10 +406,7 @@ internal void AddTypeName(string typeName) {
                 if (normalizedName == typeName) {
                     _simpleTypeNames.Add(typeName);
                 } else {
-                    List<string> actualNames;
-                    if (_genericTypeNames.ContainsKey(normalizedName)) {
-                        actualNames = _genericTypeNames[normalizedName];
-                    } else {
+                    if (!_genericTypeNames.TryGetValue(normalizedName, out List<string> actualNames)) {
                         actualNames = new List<string>();
                         _genericTypeNames[normalizedName] = actualNames;
                     }

Src/Microsoft.Dynamic/ComInterop/ComInterop.cs

@@ -25,7 +25,9 @@ internal interface IDispatchForReflection {
     InterfaceType(ComInterfaceType.InterfaceIsIUnknown),
     Guid("00020400-0000-0000-C000-000000000046"),
     ]
+#pragma warning disable SYSLIB1096 // Convert to 'GeneratedComInterface'
     internal interface IDispatch {
+#pragma warning restore SYSLIB1096 // Convert to 'GeneratedComInterface'
 
         [PreserveSig]
         int TryGetTypeInfoCount(out uint pctinfo);
@@ -75,7 +77,9 @@ internal enum IDispatchMethodIndices {
     InterfaceType(ComInterfaceType.InterfaceIsIUnknown),
     Guid("B196B283-BAB4-101A-B69C-00AA00341D07")
     ]
+#pragma warning disable SYSLIB1096 // Convert to 'GeneratedComInterface'
     internal interface IProvideClassInfo {
+#pragma warning restore SYSLIB1096 // Convert to 'GeneratedComInterface'
         void GetClassInfo(out IntPtr info);
     }
 

Src/Microsoft.Dynamic/ComInterop/ComParamDesc.cs

@@ -60,7 +60,7 @@ internal ComParamDesc(ref ELEMDESC elemDesc, string name) {
                     break;
                 }
 
-                TYPEDESC childTypeDesc = (TYPEDESC)Marshal.PtrToStructure(typeDesc.lpValue, typeof(TYPEDESC));
+                TYPEDESC childTypeDesc = Marshal.PtrToStructure<TYPEDESC>(typeDesc.lpValue);
                 _vt = (VarEnum)childTypeDesc.vt;
                 typeDesc = childTypeDesc;
             }