/* 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 "gc/Barrier.h"
#include "vm/JSObject.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());
}

void TaggedProto::trace(JSTracer* trc) { TraceRoot(trc, this, "TaggedProto"); }

}  // namespace js