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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "vm/TaggedProto.h"
#include "jsfun.h"
#include "jsobj.h"
#include "gc/Barrier.h"
#include "gc/Zone.h"
#include "vm/Caches-inl.h"
namespace js {
/* static */ void
InternalBarrierMethods<TaggedProto>::preBarrier(TaggedProto& proto)
{
InternalBarrierMethods<JSObject*>::preBarrier(proto.toObjectOrNull());
}
/* static */ void
InternalBarrierMethods<TaggedProto>::postBarrier(TaggedProto* vp, TaggedProto prev,
TaggedProto next)
{
JSObject* prevObj = prev.isObject() ? prev.toObject() : nullptr;
JSObject* nextObj = next.isObject() ? next.toObject() : nullptr;
InternalBarrierMethods<JSObject*>::postBarrier(reinterpret_cast<JSObject**>(vp), prevObj,
nextObj);
}
/* static */ void
InternalBarrierMethods<TaggedProto>::readBarrier(const TaggedProto& proto)
{
InternalBarrierMethods<JSObject*>::readBarrier(proto.toObjectOrNull());
}
} // namespace js
js::HashNumber
js::TaggedProto::hashCode() const
{
return Zone::UniqueIdToHash(uniqueId());
}
bool
js::TaggedProto::hasUniqueId() const
{
if (!isObject())
return true;
JSObject* obj = toObject();
return obj->zone()->hasUniqueId(obj);
}
bool
js::TaggedProto::ensureUniqueId() const
{
if (!isObject())
return true;
uint64_t unusedId;
JSObject* obj = toObject();
return obj->zone()->getUniqueId(obj, &unusedId);
}
uint64_t
js::TaggedProto::uniqueId() const
{
if (isDynamic())
return uint64_t(1);
JSObject* obj = toObjectOrNull();
if (!obj)
return uint64_t(0);
return obj->zone()->getUniqueIdInfallible(obj);
}
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