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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
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 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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#ifndef SHARE_VM_OOPS_INSTANCEMIRRORKLASS_INLINE_HPP
#define SHARE_VM_OOPS_INSTANCEMIRRORKLASS_INLINE_HPP

#include "utilities/templateIdioms.hpp"
#include "oops/instanceMirrorKlass.hpp"
#include "oops/instanceKlass.inline.hpp"

inline void InstanceMirrorKlass::init_offset_of_static_fields() {
  // Cache the offset of the static fields in the Class instance
  assert(_offset_of_static_fields == 0, "once");
  _offset_of_static_fields = InstanceMirrorKlass::cast(SystemDictionary::Class_klass())->size_helper() << LogHeapWordSize;
}

// Make sure metadata only gets dispatched for ExtendedOopClosure using SFINAE
template <class OopClosureType>
inline typename enable_if<is_kind_of<ExtendedOopClosure, OopClosureType>::value, void>::type
InstanceMirrorKlass::do_metadata_if_applicable(oop obj, OopClosureType *cl) {
  if (OopClosureDispatcher::do_metadata<OopClosureType>(cl)) {
    OopClosureDispatcher::do_klass<OopClosureType>(cl, obj->klass());
  }
}

// Some dispatch functions for auto dispatching
template<class OopType, class OopClosureType>
inline void InstanceMirrorKlass::oop_iterate_and_dispatch_helper(oop obj, OopClosureType *closure) {
  OopType *current = (OopType*)start_of_static_fields(obj);
  OopType* const end = current + java_lang_Class::static_oop_field_count(obj);
  while (current < end) {
    assert_is_in_closed_subset(current);
    OopClosureDispatcher::do_oop<OopClosureType, OopType>(closure, current);
    current++;
  }
}


// Auto specailization
template<class OopClosureType>
inline int InstanceMirrorKlass::oop_iterate_and_dispatch(oop obj, OopClosureType *cl) {
  SpecializationStats::record_iterate_call_nv(SpecializationStats::irk);
  InstanceKlass::oop_iterate_and_dispatch<OopClosureType>(obj, cl);

  do_metadata_if_applicable(obj, cl);

  if (UseCompressedOops) {
    oop_iterate_and_dispatch_helper<narrowOop, OopClosureType>(obj, cl);
    return oop_size(obj);
  } else {
    oop_iterate_and_dispatch_helper<oop, OopClosureType>(obj, cl);
    return oop_size(obj);
  }
}

#endif // SHARE_VM_OOPS_INSTANCEMIRRORKLASS_INLINE_HPP