// Copyright 2019 the V8 project authors. All rights reserved.// Use of this source code is governed by a BSD-style license that can be// found in the LICENSE file.// This helper allows to debug d8 using Chrome DevTools.//// It runs a simple REPL for inspector messages and relies on// websocketd (https://github.com/joewalnes/websocketd) for the WebSocket// communication.//// You can start a session with a debug build of d8 like://// $ websocketd out/x64.debug/d8 YOUR_SCRIPT.js tools/inspect-d8.js//// After that, copy the URL from console and pass it as `ws=` parameter to// the Chrome DevTools frontend like://// chrome-devtools://devtools/bundled/js_app.html?ws=localhost:80functionreceive(msg){print(msg);}functionhandleInspectorMessage(){send(readline());}while(true){handleInspectorMessage();}