void
js::ObjectImpl::markChildren(JSTracer *trc)
{
MarkTypeObject(trc, &type_, "type");
MarkShape(trc, &shape_, "shape");
const Class *clasp = type_->clasp();
JSObject *obj = asObjectPtr();
if (clasp->trace)
clasp->trace(trc, obj);
if (shape_->isNative()) {
MarkObjectSlots(trc, obj, 0, obj->slotSpan());
do {
if (obj->denseElementsAreCopyOnWrite()) {
HeapPtrObject &owner = getElementsHeader()->ownerObject();
if (owner != this) {
MarkObject(trc, &owner, "objectElementsOwner");
break;
}
}
gc::MarkArraySlots(trc,
obj->getDenseInitializedLength(),
obj->getDenseElementsAllowCopyOnWrite(),
"objectElements");
} while (false);
}
}
bool
js::intrinsic_IsPackedArray(JSContext *cx, unsigned argc, Value *vp)
{
CallArgs args = CallArgsFromVp(argc, vp);
JS_ASSERT(args.length() == 1);
JS_ASSERT(args[0].isObject());
JSObject *obj = &args[0].toObject();
bool isPacked = obj->is<ArrayObject>() &&
!obj->type()->hasAllFlags(types::OBJECT_FLAG_NON_PACKED) &&
obj->getDenseInitializedLength() == obj->as<ArrayObject>().length();
args.rval().setBoolean(isPacked);
return true;
}
void
js::ObjectImpl::markChildren(JSTracer *trc)
{
MarkTypeObject(trc, &type_, "type");
MarkShape(trc, &shape_, "shape");
Class *clasp = type_->clasp;
JSObject *obj = asObjectPtr();
if (clasp->trace)
clasp->trace(trc, obj);
if (shape_->isNative()) {
MarkObjectSlots(trc, obj, 0, obj->slotSpan());
gc::MarkArraySlots(trc, obj->getDenseInitializedLength(), obj->getDenseElements(), "objectElements");
}
}
