Added Rust LSP server example

New_Extensibility_Model/Samples/RustLanguageServerProvider/.vsextension/string-resources.json

@@ -0,0 +1,3 @@
+{
+	"RustLspExtension.RustLanguageServerProvider.DisplayName": "Rust Analyzer LSP server"
+}

New_Extensibility_Model/Samples/RustLanguageServerProvider/ExtensionEntrypoint.cs

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+namespace RustLanguageServerProviderExtension
+{
+	using Microsoft.Extensions.DependencyInjection;
+	using Microsoft.VisualStudio.Extensibility;
+
+	/// <summary>
+	/// Extension entry point for the VisualStudio.Extensibility extension.
+	/// </summary>
+	[VisualStudioContribution]
+	internal class ExtensionEntrypoint : Extension
+	{
+		/// <inheritdoc/>
+		public override ExtensionConfiguration ExtensionConfiguration => new()
+		{
+			Metadata = new(
+					id: "RustLspExtension.003741dc-9931-47c3-ad95-8804705cfbb9",
+					version: this.ExtensionAssemblyVersion,
+					publisherName: "Publisher name",
+					displayName: "RustLspExtension",
+					description: "Extension description"),
+		};
+
+		/// <inheritdoc />
+		protected override void InitializeServices(IServiceCollection serviceCollection)
+		{
+			base.InitializeServices(serviceCollection);
+
+			// You can configure dependency injection here by adding services to the serviceCollection.
+		}
+	}
+}

New_Extensibility_Model/Samples/RustLanguageServerProvider/RustLanguageServerProvider.cs

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+namespace RustLanguageServerProviderExtension
+{
+	using Microsoft.VisualStudio.Extensibility;
+	using Microsoft.VisualStudio.Extensibility.Editor;
+	using Microsoft.VisualStudio.Extensibility.LanguageServer;
+	using Microsoft.VisualStudio.RpcContracts.LanguageServerProvider;
+	using Nerdbank.Streams;
+	using System.Diagnostics;
+	using System.IO.Pipelines;
+	using System.Reflection;
+
+	[VisualStudioContribution]
+	internal class RustLanguageServerProvider : LanguageServerProvider
+	{
+		public RustLanguageServerProvider(ExtensionCore container, VisualStudioExtensibility extensibilityObject)
+			: base(container, extensibilityObject)
+		{
+		}
+
+		[VisualStudioContribution]
+		public static DocumentTypeConfiguration RustDocumentType => new("rust")
+		{
+			FileExtensions = new[] { ".rs", ".rust" },
+			BaseDocumentType = LanguageServerBaseDocumentType,
+		};
+
+		/// <inheritdoc/>
+		public override LanguageServerProviderConfiguration LanguageServerProviderConfiguration => new(
+			"%RustLspExtension.RustLanguageServerProvider.DisplayName%",
+			new[]
+			{
+				DocumentFilter.FromDocumentType(RustDocumentType),
+			});
+
+		/// <inheritdoc/>
+		public override Task<IDuplexPipe?> CreateServerConnectionAsync(CancellationToken cancellationToken)
+		{
+			ProcessStartInfo info = new ProcessStartInfo();
+			info.FileName = Path.Combine(Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location)!, @"rust-analyzer.exe");
+			info.RedirectStandardInput = true;
+			info.RedirectStandardOutput = true;
+			info.UseShellExecute = false;
+			info.CreateNoWindow = true;
+
+			Process process = new Process();
+			process.StartInfo = info;
+
+			if (process.Start())
+			{
+				return Task.FromResult<IDuplexPipe?>(new DuplexPipe(
+					PipeReader.Create(process.StandardOutput.BaseStream),
+					PipeWriter.Create(process.StandardInput.BaseStream)));
+			}
+
+			return Task.FromResult<IDuplexPipe?>(null);
+		}
+
+		/// <inheritdoc/>
+		public override Task OnServerInitializationResultAsync(ServerInitializationResult serverInitializationResult, LanguageServerInitializationFailureInfo? initializationFailureInfo, CancellationToken cancellationToken)
+		{
+			if (serverInitializationResult == ServerInitializationResult.Failed)
+			{
+				// Log telemetry for failure and disable the server from being activated again.
+				this.Enabled = false;
+			}
+
+			return base.OnServerInitializationResultAsync(serverInitializationResult, initializationFailureInfo, cancellationToken);
+		}
+	}
+}

New_Extensibility_Model/Samples/RustLanguageServerProvider/RustLanguageServerProvider.csproj

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+<Project Sdk="Microsoft.NET.Sdk">
+  <PropertyGroup>
+    <TargetFramework>net8.0-windows</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+
+    <!-- The VisualStudio.Extensibility preview packages are available from the azure-public/vside/msft_consumption feed -->
+    <RestoreAdditionalProjectSources>https://pkgs.dev.azure.com/azure-public/vside/_packaging/msft_consumption/nuget/v3/index.json;$(RestoreAdditionalProjectSources)</RestoreAdditionalProjectSources>
+  </PropertyGroup>
+
+	<ItemGroup>
+		<Content Include="rust-analyzer.exe" />
+	</ItemGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Microsoft.VisualStudio.Extensibility.Sdk" Version="17.9.42-preview-1" />
+    <PackageReference Include="Microsoft.VisualStudio.Extensibility.Build" Version="17.9.42-preview-1" />
+  </ItemGroup>
+</Project>