try to connect via brokered service

Author: beccamc

package.json

@@ -50,6 +50,12 @@
         "name": "Microsoft.CodeAnalysis.LanguageClient.SolutionSnapshotProvider",
         "version": "0.1"
       }
+    },
+    {
+      "moniker": {
+        "name": "Microsoft.VisualStudioCode.CSharp.BuildResultService",
+        "version": "0.1"
+      }
     }
   ],
   "scripts": {
@@ -4992,4 +4998,4 @@
       }
     ]
   }
-}
+}

src/lsptoolshost/services/buildResultReporterService.ts

@@ -0,0 +1,20 @@
+/*---------------------------------------------------------------------------------------------
+ *  Copyright (c) Microsoft Corporation. All rights reserved.
+ *  Licensed under the MIT License. See License.txt in the project root for license information.
+ *--------------------------------------------------------------------------------------------*/
+import { CancellationToken } from 'vscode';
+
+interface IBuildResultDiagnostics {
+    buildStarted(cancellationToken?: CancellationToken): Promise<void>;
+    reportBuildResult(buildDiagnostics: RegExpExecArray[], cancellationToken?: CancellationToken): Promise<void>;
+}
+
+export class BuildResultDiagnostics implements IBuildResultDiagnostics {
+    public async buildStarted(): Promise<void> {
+        console.log('build started');
+    }
+
+    public async reportBuildResult(buildDiagnostics: RegExpExecArray[]): Promise<void> {
+        console.log('received ' + buildDiagnostics.length + ' diagnostics');
+    }
+}

src/lsptoolshost/services/descriptors.ts

@@ -32,4 +32,13 @@ export default class Descriptors {
             protocolMajorVersion: 3,
         }
     );
+
+    static readonly csharpExtensionBuildResultService: ServiceRpcDescriptor = new ServiceJsonRpcDescriptor(
+        ServiceMoniker.create('Microsoft.VisualStudioCode.CSharp.BuildResultService', '0.1'),
+        Formatters.MessagePack,
+        MessageDelimiters.BigEndianInt32LengthHeader,
+        {
+            protocolMajorVersion: 3,
+        }
+    );
 }

src/main.ts

@@ -56,6 +56,7 @@ import { registerOmnisharpOptionChanges } from './omnisharp/omnisharpOptionChang
 import { RoslynLanguageServerEvents } from './lsptoolshost/languageServerEvents';
 import { ServerStateChange } from './lsptoolshost/serverStateChange';
 import { SolutionSnapshotProvider } from './lsptoolshost/services/solutionSnapshotProvider';
+import { BuildResultDiagnostics } from './lsptoolshost/services/buildResultReporterService';
 
 export async function activate(
     context: vscode.ExtensionContext
@@ -412,6 +413,10 @@ function profferBrokeredServices(
         serviceContainer.profferServiceFactory(
             Descriptors.solutionSnapshotProviderRegistration,
             (_mk, _op, _sb) => new SolutionSnapshotProvider(languageServerPromise)
+        ),
+        serviceContainer.profferServiceFactory(
+            Descriptors.csharpExtensionBuildResultService,
+            (_mk, _op, _sb) => new BuildResultDiagnostics()
         )
     );
 }