Add an option to disable the references CodeLens

package.json

@@ -373,6 +373,11 @@
           "type": "boolean",
           "default": true,
           "description": "Specifes whether OmniSharp should use VS Code editor settings for C# code formatting (use of tabs, indentation size)."
+        },
+        "omnisharp.showReferencesCodeLens": {
+          "type": "boolean",
+          "default": true,
+          "description": "Specifies whether Omnisharp should show the references CodeLens"
         }
       }
     },

src/features/codeLensProvider.ts

@@ -13,6 +13,7 @@ import { toRange, toLocation } from '../omnisharp/typeConvertion';
 import AbstractProvider from './abstractProvider';
 import * as protocol from '../omnisharp/protocol';
 import * as serverUtils from '../omnisharp/utils';
+import { Options } from '../omnisharp/options';
 
 class OmniSharpCodeLens extends vscode.CodeLens {
 
@@ -43,6 +44,13 @@ export default class OmniSharpCodeLensProvider extends AbstractProvider implemen
     };
 
     provideCodeLenses(document: vscode.TextDocument, token: vscode.CancellationToken): vscode.CodeLens[] | Thenable<vscode.CodeLens[]> {
+        const options = Options.Read();
+        if (!options.showReferencesCodeLens)
+        {
+            let arr: vscode.CodeLens[] = [];
+            return arr;
+        }
+
         return serverUtils.currentFileMembersAsTree(this._server, { FileName: document.fileName }, token).then(tree => {
             let ret: vscode.CodeLens[] = [];
             tree.TopLevelTypeDefinitions.forEach(node => this._convertQuickFix(ret, document.fileName, node));

src/omnisharp/options.ts

@@ -15,7 +15,8 @@ export class Options {
         public projectLoadTimeout?: number,
         public maxProjectResults?: number,
         public useEditorFormattingSettings?: boolean,
-        public useFormatting?: boolean) { }
+        public useFormatting?: boolean,
+        public showReferencesCodeLens?: boolean) { }
 
     public static Read(): Options {
         // Extra effort is taken below to ensure that legacy versions of options
@@ -51,6 +52,17 @@ export class Options {
 
         const useFormatting = csharpConfig.get<boolean>('format.enable', true);
 
-        return new Options(path, useMono, waitForDebugger, loggingLevel, autoStart, projectLoadTimeout, maxProjectResults, useEditorFormattingSettings, useFormatting);
+        const showReferencesCodeLens = omnisharpConfig.get<boolean>('showReferencesCodeLens', true);
+
+        return new Options(path, 
+            useMono, 
+            waitForDebugger,
+            loggingLevel, 
+            autoStart, 
+            projectLoadTimeout, 
+            maxProjectResults, 
+            useEditorFormattingSettings, 
+            useFormatting,
+            showReferencesCodeLens);
     }
 }