dotnet-language-client

.NET client for the Language Server Protocol (LSP)

NOTE: this code has been merged into OmniSharp's csharp-language-server-protocol (NuGet package here).

Usage

ProcessStartInfo serverStartInfo = new ProcessStartInfo("dotnet")
{
    Arguments = $"\"{ServerAssembly}\" arg1 arg2 arg3",
    Environment =
    {
        ["SomeVar"] = "Foo"
    }
};

Log.Information("Starting server...");
using (LanguageClient client = new LanguageClient(serverStartInfo))
{
    client.HandleNotification("dummy/notify", () =>
    {
        Log.Information("Received dummy notification from language server.");
    });

    await client.Start();

    Log.Information("Client started.");

    Log.Information("Sending 'initialize' request...");
    InitializeResult initializeResult = await client.SendRequest<InitializeResult>("initialize", new InitializeParams
    {
        RootPath = @"C:\Foo",
        Capabilities = new ClientCapabilities
        {
            Workspace = new WorkspaceClientCapabilites
            {

            },
            TextDocument = new TextDocumentClientCapabilities
            {

            }
        }
    });
    Log.Information("Received InitializeResult {@InitializeResult}...", initializeResult);

    Log.Information("Sending 'dummy' request...");
    await client.SendRequest("dummy", new DummyParams
    {
        Message = "Hello, world!"
    });

    Log.Information("Stopping language server...");
    await client.Stop();
    Log.Information("Server stopped.");
}

Visual Studio Extension Sample

What's with all the assemblies in the project folder?

VS won't find our assembly dependencies (a bigger issue for .NET Standard assemblies) unless we include them in the VSIX and provide a custom code-base (see AssemblyDependencies.cs). There's a custom target in the project to include some of the, but I haven't had time to include the others (e.g. Serilog and friends).

I haven't had time to reorganise the assembly dependency stuff yet, but there's probably a much cleaner way to do it.