Add option to suppress warning about the Microsoft C/C++ extension incompatibility (#221)

Author: matms

package.json

@@ -148,6 +148,11 @@
                         "Automatically restart the server",
                         "Do nothing"
                     ]
+                },
+                "clangd.detectExtensionConflicts": {
+                    "type": "boolean",
+                    "default": true,
+                    "description": "Warn about conflicting extensions and suggest disabling them."
                 }
             }
         },

src/extension.ts

@@ -27,23 +27,36 @@ export async function activate(context: vscode.ExtensionContext) {
   await clangdContext.activate(context.globalStoragePath, outputChannel,
                                context.workspaceState);
 
-  setInterval(function() {
-    const cppTools = vscode.extensions.getExtension('ms-vscode.cpptools');
-    if (cppTools && cppTools.isActive) {
-      const cppToolsConfiguration = vscode.workspace.getConfiguration('C_Cpp');
-      const cppToolsEnabled = cppToolsConfiguration.get('intelliSenseEngine');
-      if (cppToolsEnabled !== 'Disabled') {
-        vscode.window
-            .showWarningMessage(
-                'You have both the Microsoft C++ (cpptools) extension and ' +
-                    'clangd extension enabled. The Microsoft IntelliSense features ' +
-                    'conflict with clangd\'s code completion, diagnostics etc.',
-                'Disable IntelliSense')
-            .then(_ => {
-              cppToolsConfiguration.update('intelliSenseEngine', 'Disabled',
-                                           vscode.ConfigurationTarget.Global);
-            });
+  const shouldCheck = vscode.workspace.getConfiguration('clangd').get(
+      'detectExtensionConflicts');
+  if (shouldCheck) {
+    const interval = setInterval(function() {
+      const cppTools = vscode.extensions.getExtension('ms-vscode.cpptools');
+      if (cppTools && cppTools.isActive) {
+        const cppToolsConfiguration =
+            vscode.workspace.getConfiguration('C_Cpp');
+        const cppToolsEnabled = cppToolsConfiguration.get('intelliSenseEngine');
+        if (cppToolsEnabled !== 'Disabled') {
+          vscode.window
+              .showWarningMessage(
+                  'You have both the Microsoft C++ (cpptools) extension and ' +
+                      'clangd extension enabled. The Microsoft IntelliSense features ' +
+                      'conflict with clangd\'s code completion, diagnostics etc.',
+                  'Disable IntelliSense', 'Never show this warning')
+              .then(selection => {
+                if (selection == 'Disable IntelliSense') {
+                  cppToolsConfiguration.update(
+                      'intelliSenseEngine', 'Disabled',
+                      vscode.ConfigurationTarget.Global);
+                } else if (selection == 'Never show this warning') {
+                  vscode.workspace.getConfiguration('clangd').update(
+                      'detectExtensionConflicts', false,
+                      vscode.ConfigurationTarget.Global);
+                  clearInterval(interval);
+                }
+              });
+        }
       }
-    }
-  }, 5000);
+    }, 5000);
+  }
 }