import * as vscode from 'vscode'; import { Ctx, Cmd } from '../ctx'; // Shows status of rust-analyzer (for debugging) export function analyzerStatus(ctx: Ctx): Cmd { let poller: NodeJS.Timer | null = null; const tdcp = new TextDocumentContentProvider(ctx); ctx.pushCleanup( vscode.workspace.registerTextDocumentContentProvider( 'rust-analyzer-status', tdcp, ), ); ctx.pushCleanup({ dispose() { if (poller != null) { clearInterval(poller); } }, }); return async function handle() { if (poller == null) { poller = setInterval(() => tdcp.eventEmitter.fire(tdcp.uri), 1000); } const document = await vscode.workspace.openTextDocument(tdcp.uri); return vscode.window.showTextDocument( document, vscode.ViewColumn.Two, true, ); }; } class TextDocumentContentProvider implements vscode.TextDocumentContentProvider { uri = vscode.Uri.parse('rust-analyzer-status://status'); eventEmitter = new vscode.EventEmitter(); constructor(private readonly ctx: Ctx) { } provideTextDocumentContent( _uri: vscode.Uri, ): vscode.ProviderResult { const editor = vscode.window.activeTextEditor; const client = this.ctx.client; if (!editor || !client) return ''; return client.sendRequest( 'rust-analyzer/analyzerStatus', null, ); } get onDidChange(): vscode.Event { return this.eventEmitter.event; } }