void
ShapeGetterSetterRef::mark(JSTracer *trc)
{
// Update the current shape's entry in the parent KidsHash table if needed.
// This is necessary as the computed hash includes the getter/setter
// pointers.
JSObject *obj = *objp;
JSObject *prior = obj;
if (!prior)
return;
trc->setTracingLocation(&*prior);
gc::Mark(trc, &obj, "AccessorShape getter or setter");
if (obj == *objp)
return;
Shape *parent = shape->parent;
if (shape->inDictionary() || !parent->kids.isHash()) {
*objp = obj;
return;
}
KidsHash *kh = parent->kids.toHash();
kh->remove(StackShape(shape));
*objp = obj;
MOZ_ALWAYS_TRUE(kh->putNew(StackShape(shape), shape));
}
static KidsHash *
HashChildren(Shape *kid1, Shape *kid2)
{
KidsHash *hash = js_new<KidsHash>();
if (!hash || !hash->init(2)) {
js_delete(hash);
return nullptr;
}
JS_ALWAYS_TRUE(hash->putNew(StackShape(kid1), kid1));
JS_ALWAYS_TRUE(hash->putNew(StackShape(kid2), kid2));
return hash;
}
static KidsHash *
HashChildren(UnrootedShape kid1, UnrootedShape kid2)
{
KidsHash *hash = js_new<KidsHash>();
if (!hash || !hash->init(2)) {
js_delete(hash);
return NULL;
}
JS_ALWAYS_TRUE(hash->putNew(kid1, kid1));
JS_ALWAYS_TRUE(hash->putNew(kid2, kid2));
return hash;
}
