feat: Support for .NET 8

.editorconfig

@@ -170,3 +170,18 @@ dotnet_diagnostic.CS0618.severity = none        # Obsolete
 dotnet_diagnostic.CA1305.severity = none        # CultureInfo
 dotnet_diagnostic.CA1837.severity = none        # Use Environment.ProcessId instead of Process.GetCurrentProcess().Id
 
+
+# new warnings introduced by .NET 8 targets 
+
+dotnet_diagnostic.SYSLIB1054.severity = none    # Use 'LibraryImportAttribute' instead of 'DllImportAttribute' to generate P/Invoke marshalling code at compile time
+dotnet_diagnostic.SYSLIB1096.severity = none    # Convert to 'GeneratedComInterface'
+
+dotnet_diagnostic.CA1510.severity = none        # Use ArgumentNullException throw helper
+dotnet_diagnostic.CA1513.severity = none        # Use ObjectDisposedException throw helper
+dotnet_diagnostic.CA1850.severity = none        # Prefer static 'HashData' method over 'ComputeHash'
+dotnet_diagnostic.CA1859.severity = none        # Use concrete types when possible for improved performance
+dotnet_diagnostic.CA1861.severity = none        # Avoid constant arrays as arguments
+
+dotnet_diagnostic.CS1574.severity = none        # XML comment has cref attribute that could not be resolved
+
+dotnet_diagnostic.IDE0251.severity = none       # Make member 'readonly'

examples/32bit/comtestdotnet/comtestdotnet.csproj

@@ -6,7 +6,7 @@
   </PropertyGroup>
 
   <PropertyGroup>
-    <TargetFrameworks>net6.0;net48</TargetFrameworks>
+    <TargetFrameworks>net8.0;net6.0;net48</TargetFrameworks>
     <LangVersion>10.0</LangVersion>
     <PlatformTarget>AnyCPU</PlatformTarget>
     <Platforms>AnyCPU;x86</Platforms>

examples/outproc/server/common/contract.csproj

@@ -7,7 +7,7 @@
 
   <PropertyGroup>
     <TargetFramework Condition="'$(PerformAcceptanceTest)' == '' OR '$(PerformAcceptanceTest)' != 'Runtime'">netstandard2.0</TargetFramework>
-    <TargetFrameworks Condition="'$(PerformAcceptanceTest)' == 'Runtime'">net6.0-windows;net48</TargetFrameworks>
+    <TargetFrameworks Condition="'$(PerformAcceptanceTest)' == 'Runtime'">net8.0-windows;net6.0-windows;net48</TargetFrameworks>
     <ImplicitUsings>enable</ImplicitUsings>
     <Nullable>enable</Nullable>
     <LangVersion>10.0</LangVersion>

examples/outproc/server/dotnet6/Program.cs

@@ -1,7 +1,7 @@
 using System.Runtime.InteropServices;
 using dSPACE.Runtime.InteropServices;
 using dSPACE.Runtime.InteropServices.ComTypes;
-internal class Program
+internal sealed class Program
 {
     [DllImport("ole32.dll")]
     public static extern int CoResumeClassObjects();
@@ -33,10 +33,10 @@ private static void Main(string[] args)
 
         var registration = new RegistrationServices();
         var cookie = registration.RegisterTypeForComClients(typeof(Server.Common.Greeter), RegistrationClassContext.LocalServer, RegistrationConnectionType.MultipleUse | RegistrationConnectionType.Suspended);
-        
+
         System.Console.WriteLine($"OutProc COM server running. PID:{Environment.ProcessId}");
         System.Console.WriteLine($"RegisterTypeForComClients return cookie {cookie}");
-        
+
         var hr = CoResumeClassObjects();
         if (hr < 0)
         {

examples/outproc/server/dotnet6/dotnet6.csproj

@@ -2,7 +2,7 @@
 
   <PropertyGroup>
     <OutputType>Exe</OutputType>
-    <TargetFramework>net6.0-windows</TargetFramework>
+    <TargetFrameworks>net8.0-windows;net6.0-windows</TargetFrameworks>
     <ImplicitUsings>enable</ImplicitUsings>
     <Nullable>enable</Nullable>
   </PropertyGroup>

global.json

@@ -1,6 +1,6 @@
 {
   "sdk": {
-    "version": "6.0.406",
+    "version": "8.0.100",
     "rollForward": "latestPatch"
   }
 }

src/Directory.Build.props

@@ -1,6 +1,6 @@
 <Project>
   <PropertyGroup>
-    <NoWarn>CA1416;CA1401;CA1707;CA1720;CA1711;CA2201;CA1200;CA5351;CS0618;CA1305;</NoWarn>
+    <NoWarn>CA1416;CA1401;CA1707;CA1720;CA1711;CA2201;CA1200;CA5351;CS0618;CA1305</NoWarn>
     <EnforceCodeStyleInBuild>true</EnforceCodeStyleInBuild>
     <RollForward>LatestMajor</RollForward>
     <Authors>Mathias Nissen;Mark Lechtermann;Sebastian Osterbrink;Carsten Igel</Authors>
@@ -10,4 +10,18 @@
     <AnalysisMode>Recommended</AnalysisMode>
     <EnableNETAnalyzers>true</EnableNETAnalyzers>
   </PropertyGroup>
+
+  <PropertyGroup>
+    <!--
+      Make sure any documentation comments which are included in code get checked for syntax during the build, but do
+      not report warnings for missing comments.
+      CS1573: Parameter 'parameter' has no matching param tag in the XML comment for 'parameter' (but other parameters do)
+      CS1591: Missing XML comment for publicly visible type or member 'Type_or_Member'
+      CS1712: Type parameter 'type_parameter' has no matching typeparam tag in the XML comment on 'type_or_member' (but other type parameters do)
+    -->
+    <GenerateDocumentationFile>True</GenerateDocumentationFile>
+    <NoWarn>$(NoWarn),1573,1591,1712</NoWarn>
+  </PropertyGroup>
+
+
 </Project>

src/dscom.build/DefaultBuildContext.cs

@@ -80,7 +80,7 @@ public bool ConvertAssemblyToTypeLib(TypeLibConverterSettings settings, TaskLogg
             var converter = new TypeLibConverter();
 
             // Choose appropriate name resolver based on inputs with the Com Alias as the fallback.
-            var nameResolver = settings.Names != null && settings.Names.Any()
+            var nameResolver = settings.Names.Length != 0
                 ? NameResolver.Create(settings.Names)
                 : NameResolver.Create(assembly);
 

src/dscom.build/dscom.build.csproj

@@ -3,7 +3,7 @@
   <PropertyGroup>
     <DsComBuildTargetFrameWork>net6.0</DsComBuildTargetFrameWork>
     <AssemblyName>dSPACE.Runtime.InteropServices.BuildTasks</AssemblyName>
-    <TargetFrameworks>$(DsComBuildTargetFrameWork);net48</TargetFrameworks>
+    <TargetFrameworks>net8.0;$(DsComBuildTargetFrameWork);net48</TargetFrameworks>
     <PlatformTarget>x64</PlatformTarget>
     <RootNamespace>dSPACE.Runtime.InteropServices.BuildTasks</RootNamespace>    <MinVerVerbosity Condition="'$(Configuration)' == 'Debug'">normal</MinVerVerbosity>
     <MinVerTagPrefix>v</MinVerTagPrefix>

src/dscom.client/Program.cs

@@ -14,10 +14,11 @@
 
 using System.CommandLine;
 using System.CommandLine.NamingConventionBinder;
-using System.CommandLine.Parsing;
 using System.Diagnostics;
 using System.Runtime.InteropServices;
 
+#pragma warning disable CA1861 
+
 namespace dSPACE.Runtime.InteropServices;
 
 public static class ConsoleApp
@@ -26,38 +27,38 @@ public static int Main(string[] args)
     {
         var tlbexportCommand = new Command("tlbexport", "Export the assembly to the specified type library") {
                 new Argument<string>("Assembly", "File name of assembly to parse"),
-                new Option<string>(new string [] {"--out", "/out"}, description: "File name of type library to be produced"),
-                new Option<string[]>(new string [] {"--tlbreference", "/tlbreference"}, description: "Type library used to resolve references", getDefaultValue: () =>  Array.Empty<string>()) { Arity =  ArgumentArity.ZeroOrMore},
-                new Option<string[]>(new string [] {"--tlbrefpath", "/tlbrefpath"}, description: "Path used to resolve referenced type libraries", getDefaultValue: () =>  Array.Empty<string>()) { Arity =  ArgumentArity.ZeroOrMore},
-                new Option<string[]>(new string [] {"--asmpath", "/asmpath"}, description: "Look for assembly references here", getDefaultValue: () =>  Array.Empty<string>()) { Arity =  ArgumentArity.ZeroOrMore},
-                new Option<bool>(new string [] {"--silent", "/silent"}, description: "Suppresses all output except for errors"),
-                new Option<string[]>(new string [] {"--silence", "/silence"}, description: "Suppresses output for the given warning (Can not be used with /silent)", getDefaultValue: () =>  Array.Empty<string>()) { Arity =  ArgumentArity.ZeroOrMore},
-                new Option<bool>(new string [] {"--verbose", "/verbose"}, description: "Detailed log output"),
-                new Option<string[]>(new string [] {"--names", "/names"}, description: "A file in which each line specifies the capitalization of a name in the type library.", getDefaultValue: () =>  Array.Empty<string>()) { Arity =  ArgumentArity.ZeroOrMore},
-                new Option<string>(new string [] { "--overridename", "/overridename"}, description: "Overwrites the library name"),
-                new Option<Guid>(new string [] {"--overridetlbid", "/overridetlbid"}, description: "Overwrites the library id"),
-                new Option<bool?>(new string [] {"--createmissingdependenttlbs", "/createmissingdependenttlbs"}, description: "Generate missing type libraries for referenced assemblies. (default true)"),
+                new Option<string>(new[] {"--out", "/out"}, description: "File name of type library to be produced"),
+                new Option<string[]>(new[] {"--tlbreference", "/tlbreference"}, description: "Type library used to resolve references", getDefaultValue: () =>  Array.Empty<string>()) { Arity =  ArgumentArity.ZeroOrMore},
+                new Option<string[]>(new[] {"--tlbrefpath", "/tlbrefpath"}, description: "Path used to resolve referenced type libraries", getDefaultValue: () =>  Array.Empty<string>()) { Arity =  ArgumentArity.ZeroOrMore},
+                new Option<string[]>(new[] {"--asmpath", "/asmpath"}, description: "Look for assembly references here", getDefaultValue: () =>  Array.Empty<string>()) { Arity =  ArgumentArity.ZeroOrMore},
+                new Option<bool>(new[] {"--silent", "/silent"}, description: "Suppresses all output except for errors"),
+                new Option<string[]>(new[] {"--silence", "/silence"}, description: "Suppresses output for the given warning (Can not be used with /silent)", getDefaultValue: () =>  Array.Empty<string>()) { Arity =  ArgumentArity.ZeroOrMore},
+                new Option<bool>(new[] {"--verbose", "/verbose"}, description: "Detailed log output"),
+                new Option<string[]>(new[] {"--names", "/names"}, description: "A file in which each line specifies the capitalization of a name in the type library.", getDefaultValue: () =>  Array.Empty<string>()) { Arity =  ArgumentArity.ZeroOrMore},
+                new Option<string>(new[] { "--overridename", "/overridename"}, description: "Overwrites the library name"),
+                new Option<Guid>(new[] {"--overridetlbid", "/overridetlbid"}, description: "Overwrites the library id"),
+                new Option<bool?>(new[] {"--createmissingdependenttlbs", "/createmissingdependenttlbs"}, description: "Generate missing type libraries for referenced assemblies. (default true)"),
             };
 
         var tlbdumpCommand = new Command("tlbdump", "Dump a type library")
             {
                 new Argument<string>("TypeLibrary", "File name of type library"),
-                new Option<string>(new string [] {"--out", "/out"}, description: "File name of the output"),
-                new Option<string[]>(new string [] {"--tlbreference", "/tlbreference"}, description: "Type library used to resolve references", getDefaultValue: () =>  Array.Empty<string>()) { Arity =  ArgumentArity.ZeroOrMore},
-                new Option<string[]>(new string [] {"--tlbrefpath", "/tlbrefpath"}, description: "Path used to resolve referenced type libraries", getDefaultValue: () =>  Array.Empty<string>()) { Arity =  ArgumentArity.ZeroOrMore},
-                new Option<string[]>(new string [] {"--filterregex", "/filterregex"}, description: "Regex to filter the output", getDefaultValue: () =>  Array.Empty<string>()) { Arity =  ArgumentArity.ZeroOrMore},
+                new Option<string>(new[] {"--out", "/out"}, description: "File name of the output"),
+                new Option<string[]>(new[] {"--tlbreference", "/tlbreference"}, description: "Type library used to resolve references", getDefaultValue: () =>  Array.Empty<string>()) { Arity =  ArgumentArity.ZeroOrMore},
+                new Option<string[]>(new[] {"--tlbrefpath", "/tlbrefpath"}, description: "Path used to resolve referenced type libraries", getDefaultValue: () =>  Array.Empty<string>()) { Arity =  ArgumentArity.ZeroOrMore},
+                new Option<string[]>(new[] {"--filterregex", "/filterregex"}, description: "Regex to filter the output", getDefaultValue: () =>  Array.Empty<string>()) { Arity =  ArgumentArity.ZeroOrMore},
             };
 
         var tlbregisterCommand = new Command("tlbregister", "Register a type library")
             {
                 new Argument<string>("TypeLibrary", "File name of type library"),
-                new Option<bool>(new string [] {"--foruser", "/foruser"}, description: "Registered for use only by the calling user identity."),
+                new Option<bool>(new[] {"--foruser", "/foruser"}, description: "Registered for use only by the calling user identity."),
             };
 
         var tlbunregisterCommand = new Command("tlbunregister", "Unregister a type library")
             {
                 new Argument<string>("TypeLibrary", "File name of type library"),
-                new Option<bool>(new string [] {"--foruser", "/foruser"}, description: "Registered for use only by the calling user identity."),
+                new Option<bool>(new[] {"--foruser", "/foruser"}, description: "Registered for use only by the calling user identity."),
             };
 
         var rootCommand = new RootCommand
@@ -162,7 +163,7 @@ private static void ConfigureTLBExportHandler(Command tlbexportCommand)
 
                 var assembly = assemblyResolver.LoadAssembly(options.Assembly);
                 var typeLibConverter = new TypeLibConverter();
-                var nameResolver = options.Names.Any() ? NameResolver.Create(options.Names) : NameResolver.Create(assembly);
+                var nameResolver = options.Names.Length > 0 ? NameResolver.Create(options.Names) : NameResolver.Create(assembly);
                 var typeLib = typeLibConverter.ConvertAssemblyToTypeLib(assembly, options, new TypeLibExporterNotifySink(options, nameResolver));
 
                 if (typeLib is ICreateTypeLib2 createTypeLib2)

src/dscom.client/dscom.client.csproj

@@ -3,7 +3,7 @@
   <PropertyGroup>
     <AssemblyName>dscom</AssemblyName>
     <OutputType>Exe</OutputType>
-    <TargetFrameworks>net6.0</TargetFrameworks>
+    <TargetFrameworks>net8.0;net6.0</TargetFrameworks>
     <PlatformTarget>AnyCPU</PlatformTarget>
     <Platforms>AnyCPU;x86</Platforms>
     <RuntimeIdentifiers Condition="'$(PackForBuildTaskTools)' == 'true'">win-x64;win-x86</RuntimeIdentifiers>

src/dscom.demo/assembly1/assembly1.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFrameworks>net6.0;net48</TargetFrameworks>
+    <TargetFrameworks>net8.0;net6.0;net48</TargetFrameworks>
     <PlatformTarget>AnyCPU</PlatformTarget>
     <LangVersion>10.0</LangVersion>
     <ImplicitUsings>enable</ImplicitUsings>
@@ -11,7 +11,7 @@
     <EnforceCodeStyleInBuild>true</EnforceCodeStyleInBuild>
     <AnalysisMode>Recommended</AnalysisMode>
     <EnableNETAnalyzers>true</EnableNETAnalyzers>
-    <NoWarn>CA1416;CA1401;CA1707;CA1720;CA1711;CA2201;CA1200;CA5351;CS0618;CA1305;</NoWarn>
+    <NoWarn>CA1416;CA1401;CA1707;CA1720;CA1711;CA2201;CA1200;CA5351;CS0618;CA1305;CS1591</NoWarn>
     <Platforms>AnyCPU;x86</Platforms>
     <!-- <EnableComHosting>true</EnableComHosting> -->
   </PropertyGroup>

src/dscom.demo/assembly2/assembly2.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFrameworks>net6.0;net48</TargetFrameworks>
+    <TargetFrameworks>net8.0;net6.0;net48</TargetFrameworks>
     <PlatformTarget>AnyCPU</PlatformTarget>
     <LangVersion>10.0</LangVersion>
     <ImplicitUsings>enable</ImplicitUsings>

src/dscom.demo/assembly3/assembly3.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFrameworks>net6.0;net48</TargetFrameworks>
+    <TargetFrameworks>net8.0;net6.0;net48</TargetFrameworks>
     <PlatformTarget>AnyCPU</PlatformTarget>
     <LangVersion>10.0</LangVersion>
     <ImplicitUsings>enable</ImplicitUsings>

src/dscom.demo/assembly4/assembly4.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFrameworks>net6.0;net48</TargetFrameworks>
+    <TargetFrameworks>net8.0;net6.0;net48</TargetFrameworks>
     <PlatformTarget>AnyCPU</PlatformTarget>
     <LangVersion>10.0</LangVersion>
     <ImplicitUsings>enable</ImplicitUsings>
@@ -13,6 +13,7 @@
     <EnableNETAnalyzers>true</EnableNETAnalyzers>
     <Platforms>AnyCPU;x86</Platforms>
     <EnableComHosting>true</EnableComHosting>
+    <NoWarn>NU5104,CS1591</NoWarn>    
   </PropertyGroup>
 
   <ItemGroup>

src/dscom.demo/assembly5/assembly5.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFrameworks>net6.0-windows;net48</TargetFrameworks>
+    <TargetFrameworks>net8.0-windows;net6.0-windows;net48</TargetFrameworks>
     <PlatformTarget>AnyCPU</PlatformTarget>
     <LangVersion>10.0</LangVersion>
     <ImplicitUsings>enable</ImplicitUsings>
@@ -13,6 +13,7 @@
     <EnableNETAnalyzers>true</EnableNETAnalyzers>
     <Platforms>AnyCPU;x86</Platforms>
     <EnableComHosting>true</EnableComHosting>
+    <NoWarn>NU5104,CS1591</NoWarn>
   </PropertyGroup>
   <PropertyGroup>
     <UseWPF>true</UseWPF>

src/dscom.test/builder/DynamicAssemblyBuilder.cs

@@ -127,7 +127,9 @@ internal DynamicTypeBuilder WithClass(string className, string[] interfaceNames,
 
     internal DynamicTypeBuilder WithStruct(string structName)
     {
+#pragma warning disable SYSLIB0050 // Type or member is obsolete
         var dynamicTypeBuilder = new DynamicTypeBuilder(this, structName, TypeAttributes.Public | TypeAttributes.Sealed | TypeAttributes.SequentialLayout | TypeAttributes.Serializable, null, typeof(ValueType));
+#pragma warning restore SYSLIB0050 // Type or member is obsolete
         DynamicTypeBuilder.Add(dynamicTypeBuilder);
         return dynamicTypeBuilder;
     }

src/dscom.test/builder/DynamicTypeBuilder.cs

@@ -110,7 +110,7 @@ public DynamicAssemblyBuilder Build(out Type? forcedTypeCreation)
     {
         TypeBuilder = DynamicTypeLibBuilder.ModuleBuilder.DefineType($"{Namespace}.{Name}", TypeAttributes, ParentType);
 
-        if (GenericTypeParameters.Any())
+        if (GenericTypeParameters.Count != 0)
         {
             TypeBuilder.DefineGenericParameters(GenericTypeParameters.ToArray());
         }

src/dscom.test/dscom.test.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFrameworks>net6.0;net48</TargetFrameworks>
+    <TargetFrameworks>net8.0;net6.0;net48</TargetFrameworks>
     <PlatformTarget>x64</PlatformTarget>
     <IsPackable>false</IsPackable>
     <RootNamespace>dSPACE.Runtime.InteropServices.Tests</RootNamespace>