src/hotspot/share/oops/oopCast.inline.hpp

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#ifndef SHARE_OOPS_OOPCAST_INLINE_HPP
#define SHARE_OOPS_OOPCAST_INLINE_HPP

#include "oops/oopsHierarchy.hpp"
#include "oops/oop.inline.hpp"

template<typename T>
static bool is_oop_type(oop theOop) {
  static_assert(sizeof(T) == 0, "No is_oop_type specialization found for this type");
  return false;
}
template<>
inline bool is_oop_type<instanceOop>(oop theOop) { return theOop->is_instance(); }
template<>
inline bool is_oop_type<arrayOop>(oop theOop) { return theOop->is_array(); }
template<>
inline bool is_oop_type<objArrayOop>(oop theOop) { return theOop->is_objArray(); }
template<>
inline bool is_oop_type<typeArrayOop>(oop theOop) { return theOop->is_typeArray(); }

template<typename R>
R oop_cast(oop theOop) {
  assert(is_oop_type<R>(theOop), "Invalid cast");
  return (R) theOop;
}

#endif // SHARE_OOPS_OOPCAST_INLINE_HPP