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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<vscode.Uri>();
constructor(private readonly ctx: Ctx) {
}
provideTextDocumentContent(
_uri: vscode.Uri,
): vscode.ProviderResult<string> {
const editor = vscode.window.activeTextEditor;
const client = this.ctx.client;
if (!editor || !client) return '';
return client.sendRequest<string>(
'rust-analyzer/analyzerStatus',
null,
);
}
get onDidChange(): vscode.Event<vscode.Uri> {
return this.eventEmitter.event;
}
}
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