C++ (Cpp) ICStub::toInstanceOf_Function примеры использования

Пример #1

bool
BaselineInspector::instanceOfData(jsbytecode* pc, Shape** shape, uint32_t* slot,
                                  JSObject** prototypeObject)
{
    MOZ_ASSERT(*pc == JSOP_INSTANCEOF);

    if (!hasBaselineScript())
        return false;

    const ICEntry& entry = icEntryFromPC(pc);

    ICStub* stub = entry.firstStub();
    if (!stub->isInstanceOf_Function() ||
        !stub->next()->isInstanceOf_Fallback() ||
        stub->next()->toInstanceOf_Fallback()->hadUnoptimizableAccess())
    {
        return false;
    }

    ICInstanceOf_Function* optStub = stub->toInstanceOf_Function();
    *shape = optStub->shape();
    *prototypeObject = optStub->prototypeObject();
    *slot = optStub->slot();

    if (IsInsideNursery(*prototypeObject))
        return false;

    return true;
}