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,
20 extCtx: vscode.ExtensionContext,
24 const client = await createClient(config, serverPath, cwd);
25 const res = new Ctx(config, extCtx, client, serverPath);
26 res.pushCleanup(client.start());
27 await client.onReady();
28 client.onRequest('workspace/configuration', _ => [configToServerOptions(config)]);
32 get activeRustEditor(): RustEditor | undefined {
33 const editor = vscode.window.activeTextEditor;
34 return editor && isRustEditor(editor)
39 get visibleRustEditors(): RustEditor[] {
40 return vscode.window.visibleTextEditors.filter(isRustEditor);
43 registerCommand(name: string, factory: (ctx: Ctx) => Cmd) {
44 const fullName = `rust-analyzer.${name}`;
45 const cmd = factory(this);
46 const d = vscode.commands.registerCommand(fullName, cmd);
50 get globalState(): vscode.Memento {
51 return this.extCtx.globalState;
54 get subscriptions(): Disposable[] {
55 return this.extCtx.subscriptions;
58 pushCleanup(d: Disposable) {
59 this.extCtx.subscriptions.push(d);
63 export interface Disposable {
66 export type Cmd = (...args: any[]) => unknown;