switch to official extend selection API

editors/code/src/commands/extend_selection.ts

@@ -1,34 +0,0 @@
-import * as vscode from 'vscode';
-
-import { Range, TextDocumentIdentifier } from 'vscode-languageclient';
-import { Server } from '../server';
-
-interface ExtendSelectionParams {
-    textDocument: TextDocumentIdentifier;
-    selections: Range[];
-}
-
-interface ExtendSelectionResult {
-    selections: Range[];
-}
-
-export async function handle() {
-    const editor = vscode.window.activeTextEditor;
-    if (editor == null || editor.document.languageId !== 'rust') {
-        return;
-    }
-    const request: ExtendSelectionParams = {
-        selections: editor.selections.map(s =>
-            Server.client.code2ProtocolConverter.asRange(s)
-        ),
-        textDocument: { uri: editor.document.uri.toString() }
-    };
-    const response = await Server.client.sendRequest<ExtendSelectionResult>(
-        'rust-analyzer/extendSelection',
-        request
-    );
-    editor.selections = response.selections.map((range: Range) => {
-        const r = Server.client.protocol2CodeConverter.asRange(range);
-        return new vscode.Selection(r.start, r.end);
-    });
-}

editors/code/src/commands/index.ts

@@ -1,6 +1,5 @@
 import * as analyzerStatus from './analyzer_status';
 import * as applySourceChange from './apply_source_change';
-import * as extendSelection from './extend_selection';
 import * as joinLines from './join_lines';
 import * as matchingBrace from './matching_brace';
 import * as onEnter from './on_enter';
@@ -11,7 +10,6 @@ import * as syntaxTree from './syntaxTree';
 export {
     analyzerStatus,
     applySourceChange,
-    extendSelection,
     joinLines,
     matchingBrace,
     parentModule,

editors/code/src/extension.ts

@@ -57,10 +57,6 @@ export function activate(context: vscode.ExtensionContext) {
     registerCommand('rust-analyzer.collectGarbage', () =>
         Server.client.sendRequest<null>('rust-analyzer/collectGarbage', null)
     );
-    registerCommand(
-        'rust-analyzer.extendSelection',
-        commands.extendSelection.handle
-    );
     registerCommand(
         'rust-analyzer.matchingBrace',
         commands.matchingBrace.handle

editors/code/src/server.ts

@@ -74,6 +74,7 @@ export class Server {
                 }
             }
         };
+        Server.client.registerProposedFeatures();
         Server.client.onReady().then(() => {
             for (const [type, handler] of notificationHandlers) {
                 Server.client.onNotification(type, handler);