mirror of
https://github.com/rust-lang/rust-analyzer.git
synced 2025-09-30 05:45:12 +00:00
⬆️ rust-analyzer
This commit is contained in:
Laurențiu Nicola
parent
26a413e015
commit
8807fc4cc3
64 changed files with 2244 additions and 1607 deletions
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@ -2,10 +2,12 @@ import * as vscode from "vscode";
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import * as lc from "vscode-languageclient/node";
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import * as ra from "./lsp_ext";
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import { Config } from "./config";
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import { Config, substituteVariablesInEnv, substituteVSCodeVariables } from "./config";
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import { createClient } from "./client";
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import { isRustEditor, RustEditor } from "./util";
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import { isRustEditor, log, RustEditor } from "./util";
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import { ServerStatusParams } from "./lsp_ext";
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import { PersistentState } from "./persistent_state";
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import { bootstrap } from "./bootstrap";
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export type Workspace =
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| {
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@ -16,36 +18,154 @@ export type Workspace =
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files: vscode.TextDocument[];
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};
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export type CommandFactory = {
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enabled: (ctx: Ctx) => Cmd;
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disabled?: (ctx: Ctx) => Cmd;
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};
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export class Ctx {
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private constructor(
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readonly config: Config,
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private readonly extCtx: vscode.ExtensionContext,
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readonly client: lc.LanguageClient,
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readonly serverPath: string,
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readonly statusBar: vscode.StatusBarItem
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) {}
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readonly statusBar: vscode.StatusBarItem;
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readonly config: Config;
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static async create(
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config: Config,
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extCtx: vscode.ExtensionContext,
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serverPath: string,
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workspace: Workspace
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): Promise<Ctx> {
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const client = await createClient(serverPath, workspace, config.serverExtraEnv);
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private client: lc.LanguageClient | undefined;
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private _serverPath: string | undefined;
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private traceOutputChannel: vscode.OutputChannel | undefined;
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private outputChannel: vscode.OutputChannel | undefined;
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private clientSubscriptions: Disposable[];
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private state: PersistentState;
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private commandFactories: Record<string, CommandFactory>;
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private commandDisposables: Disposable[];
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const statusBar = vscode.window.createStatusBarItem(vscode.StatusBarAlignment.Left);
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extCtx.subscriptions.push(statusBar);
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statusBar.text = "rust-analyzer";
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statusBar.tooltip = "ready";
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statusBar.command = "rust-analyzer.analyzerStatus";
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statusBar.show();
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workspace: Workspace;
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const res = new Ctx(config, extCtx, client, serverPath, statusBar);
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constructor(
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readonly extCtx: vscode.ExtensionContext,
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workspace: Workspace,
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commandFactories: Record<string, CommandFactory>
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) {
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extCtx.subscriptions.push(this);
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this.statusBar = vscode.window.createStatusBarItem(vscode.StatusBarAlignment.Left);
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this.statusBar.text = "rust-analyzer";
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this.statusBar.tooltip = "ready";
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this.statusBar.command = "rust-analyzer.analyzerStatus";
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this.statusBar.show();
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this.workspace = workspace;
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this.clientSubscriptions = [];
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this.commandDisposables = [];
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this.commandFactories = commandFactories;
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res.pushCleanup(client.start());
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await client.onReady();
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client.onNotification(ra.serverStatus, (params) => res.setServerStatus(params));
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return res;
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this.state = new PersistentState(extCtx.globalState);
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this.config = new Config(extCtx);
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this.updateCommands();
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}
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dispose() {
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this.config.dispose();
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this.statusBar.dispose();
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void this.disposeClient();
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this.commandDisposables.forEach((disposable) => disposable.dispose());
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}
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clientFetcher() {
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const self = this;
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return {
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get client(): lc.LanguageClient | undefined {
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return self.client;
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},
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};
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}
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async getClient() {
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if (!this.traceOutputChannel) {
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this.traceOutputChannel = vscode.window.createOutputChannel(
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"Rust Analyzer Language Server Trace"
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);
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this.pushExtCleanup(this.traceOutputChannel);
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}
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if (!this.outputChannel) {
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this.outputChannel = vscode.window.createOutputChannel("Rust Analyzer Language Server");
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this.pushExtCleanup(this.outputChannel);
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}
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if (!this.client) {
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this._serverPath = await bootstrap(this.extCtx, this.config, this.state).catch(
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(err) => {
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let message = "bootstrap error. ";
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message +=
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'See the logs in "OUTPUT > Rust Analyzer Client" (should open automatically). ';
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message +=
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'To enable verbose logs use { "rust-analyzer.trace.extension": true }';
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log.error("Bootstrap error", err);
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throw new Error(message);
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}
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);
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const newEnv = substituteVariablesInEnv(
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Object.assign({}, process.env, this.config.serverExtraEnv)
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);
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const run: lc.Executable = {
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command: this._serverPath,
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options: { env: newEnv },
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};
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const serverOptions = {
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run,
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debug: run,
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};
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let rawInitializationOptions = vscode.workspace.getConfiguration("rust-analyzer");
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if (this.workspace.kind === "Detached Files") {
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rawInitializationOptions = {
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detachedFiles: this.workspace.files.map((file) => file.uri.fsPath),
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...rawInitializationOptions,
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};
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}
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const initializationOptions = substituteVSCodeVariables(rawInitializationOptions);
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this.client = await createClient(
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this.traceOutputChannel,
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this.outputChannel,
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initializationOptions,
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serverOptions
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);
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this.pushClientCleanup(
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this.client.onNotification(ra.serverStatus, (params) =>
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this.setServerStatus(params)
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)
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);
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}
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return this.client;
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}
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async activate() {
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log.info("Activating language client");
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const client = await this.getClient();
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await client.start();
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this.updateCommands();
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return client;
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}
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async deactivate() {
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log.info("Deactivating language client");
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await this.client?.stop();
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this.updateCommands();
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}
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async stop() {
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log.info("Stopping language client");
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await this.disposeClient();
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this.updateCommands();
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}
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private async disposeClient() {
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this.clientSubscriptions?.forEach((disposable) => disposable.dispose());
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this.clientSubscriptions = [];
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await this.client?.dispose();
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this._serverPath = undefined;
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this.client = undefined;
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}
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get activeRustEditor(): RustEditor | undefined {
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@ -53,29 +173,37 @@ export class Ctx {
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return editor && isRustEditor(editor) ? editor : undefined;
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}
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get visibleRustEditors(): RustEditor[] {
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return vscode.window.visibleTextEditors.filter(isRustEditor);
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}
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registerCommand(name: string, factory: (ctx: Ctx) => Cmd) {
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const fullName = `rust-analyzer.${name}`;
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const cmd = factory(this);
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const d = vscode.commands.registerCommand(fullName, cmd);
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this.pushCleanup(d);
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}
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get extensionPath(): string {
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return this.extCtx.extensionPath;
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}
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get globalState(): vscode.Memento {
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return this.extCtx.globalState;
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}
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get subscriptions(): Disposable[] {
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return this.extCtx.subscriptions;
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}
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get serverPath(): string | undefined {
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return this._serverPath;
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}
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private updateCommands() {
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this.commandDisposables.forEach((disposable) => disposable.dispose());
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this.commandDisposables = [];
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const fetchFactory = (factory: CommandFactory, fullName: string) => {
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return this.client && this.client.isRunning()
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? factory.enabled
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: factory.disabled ||
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((_) => () =>
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vscode.window.showErrorMessage(
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`command ${fullName} failed: rust-analyzer server is not running`
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));
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};
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for (const [name, factory] of Object.entries(this.commandFactories)) {
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const fullName = `rust-analyzer.${name}`;
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const callback = fetchFactory(factory, fullName)(this);
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this.commandDisposables.push(vscode.commands.registerCommand(fullName, callback));
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}
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}
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setServerStatus(status: ServerStatusParams) {
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let icon = "";
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const statusBar = this.statusBar;
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@ -111,9 +239,13 @@ export class Ctx {
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statusBar.text = `${icon}rust-analyzer`;
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}
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pushCleanup(d: Disposable) {
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pushExtCleanup(d: Disposable) {
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this.extCtx.subscriptions.push(d);
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}
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private pushClientCleanup(d: Disposable) {
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this.clientSubscriptions.push(d);
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}
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}
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export interface Disposable {
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