doubleKlass.hpp

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/* Copyright 1994, 1995 LongView Technologies L.L.C. $Revision: 1.25 $ */
/* Copyright (c) 2006, Sun Microsystems, Inc.
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class doubleKlass: public memOopKlass {
 public:
  // testers
  bool oop_is_double()               const { return true;  }

  // allocation properties
  bool can_inline_allocation()       const { return false; }

  // reflective properties
  bool can_have_instance_variables() const { return false; }
  bool can_be_subclassed()           const { return false; }

  // allocates a double
  oop allocateObject();

  // creates invocation
  klassOop create_subclass(mixinOop mixin, Format format);

  // Format
  Format format() { return double_klass; }

  // memory operations
  int  oop_scavenge_contents(oop obj);
  int  oop_scavenge_tenured_contents(oop obj);
  void oop_follow_contents(oop obj);

  // printing operations
  void oop_short_print_on(oop obj, outputStream* st);
  void oop_print_value_on(oop obj, outputStream* st);
  char* name() const { return "double"; }

  // iterators
  void oop_layout_iterate(oop obj, ObjectLayoutClosure* blk);
  void oop_oop_iterate(oop obj, OopClosure* blk);

  // sizing
  int oop_header_size() const { return doubleOopDesc::header_size(); }

  // class creation
  friend void set_doubleKlass_vtbl(Klass* k);
};

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