Ejemplos de QScriptEnginePrivate::currentContext en C++ (Cpp)

Ejemplo n.º 1

bool QScriptValueImpl::hasInstance(const QScriptValueImpl &value) const
{
    Q_ASSERT(isObject());

    if (QScriptClassData *odata = classInfo()->data()) {
        if (odata->implementsHasInstance(*this))
            return odata->hasInstance(*this, value);
    }
    if (!isFunction())
        return false;

    // [[HasInstance] for function objects

    if (!value.isObject())
        return false;

    QScriptEnginePrivate *eng = engine();
    QScriptValueImpl proto = property(eng->idTable()->id_prototype);
    if (!proto.isObject()) {
        QScriptContextPrivate *ctx = eng->currentContext();
        ctx->throwTypeError(QLatin1String("instanceof: 'prototype' property is not an object"));
        return false;
    }

    QScriptObject *target = proto.m_object_value;
    QScriptValueImpl v = value;
    while (true) {
        v = v.prototype();
        if (!v.isObject())
            break;
        if (target == v.m_object_value)
            return true;
    }
    return false;
}