js/src/vm/TaggedProto.cpp

   1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
   2  * vim: set ts=8 sts=2 et sw=2 tw=80:
   3  * This Source Code Form is subject to the terms of the Mozilla Public
   4  * License, v. 2.0. If a copy of the MPL was not distributed with this
   5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   6
   7 #include "vm/TaggedProto.h"
   8
   9 #include "gc/Barrier.h"
  10 #include "vm/JSObject.h"
  11
  12 namespace js {
  13
  14 /* static */ void InternalBarrierMethods<TaggedProto>::preBarrier(
  15     TaggedProto& proto) {
  16   InternalBarrierMethods<JSObject*>::preBarrier(proto.toObjectOrNull());
  17 }
  18
  19 /* static */ void InternalBarrierMethods<TaggedProto>::postBarrier(
  20     TaggedProto* vp, TaggedProto prev, TaggedProto next) {
  21   JSObject* prevObj = prev.isObject() ? prev.toObject() : nullptr;
  22   JSObject* nextObj = next.isObject() ? next.toObject() : nullptr;
  23   InternalBarrierMethods<JSObject*>::postBarrier(
  24       reinterpret_cast<JSObject**>(vp), prevObj, nextObj);
  25 }
  26
  27 /* static */ void InternalBarrierMethods<TaggedProto>::readBarrier(
  28     const TaggedProto& proto) {
  29   InternalBarrierMethods<JSObject*>::readBarrier(proto.toObjectOrNull());
  30 }
  31
  32 void TaggedProto::trace(JSTracer* trc) { TraceRoot(trc, this, "TaggedProto"); }
  33
  34 }  // namespace js