blob: 289b61d871d4cf56d36649aa1f73dbe3b9e8fc65 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
|
// Copyright (C) 2022 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
//![qjs-engine-example]
QJSEngine engine;
// We create an object with a read-only property whose getter throws an exception
auto val = engine.evaluate("let o = { get f() {throw 42;} }; o");
val.property("f");
qDebug() << engine.hasError(); // prints false
// This time, we construct a QJSManagedValue before accessing the property
val = engine.evaluate("let o = { get f() {throw 42;} }; o");
QJSManagedValue managed(std::move(val), &engine);
managed.property("f");
qDebug() << engine.hasError(); // prints true
QJSValue error = engine.catchError();
Q_ASSERT(error.toInt(), 42);
//![qjs-engine-example]
|
