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C++ ProxyObject::shapePtr方法代码示例

本文整理汇总了C++中ProxyObject::shapePtr方法的典型用法代码示例。如果您正苦于以下问题:C++ ProxyObject::shapePtr方法的具体用法?C++ ProxyObject::shapePtr怎么用?C++ ProxyObject::shapePtr使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在ProxyObject的用法示例。


在下文中一共展示了ProxyObject::shapePtr方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: TraceEdge

/* static */ void
ProxyObject::trace(JSTracer* trc, JSObject* obj)
{
    ProxyObject* proxy = &obj->as<ProxyObject>();

    TraceEdge(trc, proxy->shapePtr(), "ProxyObject_shape");

#ifdef DEBUG
    if (TlsContext.get()->isStrictProxyCheckingEnabled() && proxy->is<WrapperObject>()) {
        JSObject* referent = MaybeForwarded(proxy->target());
        if (referent->compartment() != proxy->compartment()) {
            /*
             * Assert that this proxy is tracked in the wrapper map. We maintain
             * the invariant that the wrapped object is the key in the wrapper map.
             */
            Value key = ObjectValue(*referent);
            WrapperMap::Ptr p = proxy->compartment()->lookupWrapper(key);
            MOZ_ASSERT(p);
            MOZ_ASSERT(*p->value().unsafeGet() == ObjectValue(*proxy));
        }
    }
#endif

    // Note: If you add new slots here, make sure to change
    // nuke() to cope.

    traceEdgeToTarget(trc, proxy);

    size_t nreserved = proxy->numReservedSlots();
    for (size_t i = 0; i < nreserved; i++) {
        /*
         * The GC can use the second reserved slot to link the cross compartment
         * wrappers into a linked list, in which case we don't want to trace it.
         */
        if (proxy->is<CrossCompartmentWrapperObject>() &&
            i == CrossCompartmentWrapperObject::GrayLinkReservedSlot)
        {
            continue;
        }
        TraceEdge(trc, proxy->reservedSlotPtr(i), "proxy_reserved");
    }

    Proxy::trace(trc, obj);
}
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