Imported Upstream version 6.10.0.49

Former-commit-id: 1d6753294b2993e1fbf92de9366bb9544db4189b

external/llvm-project/clang-tools-extra/clangd/clients/clangd-vscode/src/extension.ts

@@ -0,0 +1,46 @@
+import * as vscode from 'vscode';
+import * as vscodelc from 'vscode-languageclient';
+
+/**
+ * Method to get workspace configuration option
+ * @param option name of the option (e.g. for clangd.path should be path)
+ * @param defaultValue default value to return if option is not set
+ */
+function getConfig<T>(option: string, defaultValue?: any) : T {
+    const config = vscode.workspace.getConfiguration('clangd');
+    return config.get<T>(option, defaultValue);
+}
+
+/**
+ *  this method is called when your extension is activate
+ *  your extension is activated the very first time the command is executed
+ */
+export function activate(context: vscode.ExtensionContext) {
+    const clangdPath = getConfig<string>('path');
+    const clangdArgs = getConfig<string[]>('arguments');
+    const syncFileEvents = getConfig<boolean>('syncFileEvents', true);
+
+    const serverOptions: vscodelc.ServerOptions = { command: clangdPath, args: clangdArgs };
+
+    const filePattern: string = '**/*.{' +
+      ['cpp', 'c', 'cc', 'cxx', 'c++', 'm', 'mm', 'h', 'hh', 'hpp', 'hxx', 'inc'].join() + '}';
+    const clientOptions: vscodelc.LanguageClientOptions = {
+        // Register the server for C/C++ files
+        documentSelector: [{scheme: 'file', pattern: filePattern}],
+        uriConverters: {
+            // FIXME: by default the URI sent over the protocol will be percent encoded (see rfc3986#section-2.1)
+            //        the "workaround" below disables temporarily the encoding until decoding
+            //        is implemented properly in clangd
+            code2Protocol: (uri: vscode.Uri) : string => uri.toString(true),
+            protocol2Code: (uri: string) : vscode.Uri => vscode.Uri.parse(uri)
+        },
+        synchronize: !syncFileEvents ? undefined : {
+            fileEvents: vscode.workspace.createFileSystemWatcher(filePattern)
+        }
+    };
+
+    const clangdClient = new vscodelc.LanguageClient('Clang Language Server', serverOptions, clientOptions);
+    console.log('Clang Language Server is now active!');
+
+    const disposable = clangdClient.start();
+}