1 import * as vscode from 'vscode';
2 import * as lc from 'vscode-languageclient';
4 import { Config } from './config';
5 import { createClient, configToServerOptions } from './client';
6 import { isRustEditor, RustEditor } from './util';
10 readonly config: Config,
11 private readonly extCtx: vscode.ExtensionContext,
12 readonly client: lc.LanguageClient,
13 readonly serverPath: string,
18 static async create(config: Config, extCtx: vscode.ExtensionContext, serverPath: string): Promise<Ctx> {
19 const client = await createClient(config, serverPath);
20 const res = new Ctx(config, extCtx, client, serverPath);
21 res.pushCleanup(client.start());
22 await client.onReady();
23 client.onRequest('workspace/configuration', _ => [configToServerOptions(config)]);
27 get activeRustEditor(): RustEditor | undefined {
28 const editor = vscode.window.activeTextEditor;
29 return editor && isRustEditor(editor)
34 get visibleRustEditors(): RustEditor[] {
35 return vscode.window.visibleTextEditors.filter(isRustEditor);
38 registerCommand(name: string, factory: (ctx: Ctx) => Cmd) {
39 const fullName = `rust-analyzer.${name}`;
40 const cmd = factory(this);
41 const d = vscode.commands.registerCommand(fullName, cmd);
45 get globalState(): vscode.Memento {
46 return this.extCtx.globalState;
49 get subscriptions(): Disposable[] {
50 return this.extCtx.subscriptions;
53 pushCleanup(d: Disposable) {
54 this.extCtx.subscriptions.push(d);
58 export interface Disposable {
61 export type Cmd = (...args: any[]) => unknown;