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 * Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
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 * published by the Free Software Foundation.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * 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).
 *
 * You should have received a copy of the GNU General Public License version
 * 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_CLASSFILE_DEFAULTMETHODS_HPP
#define SHARE_VM_CLASSFILE_DEFAULTMETHODS_HPP

#include "runtime/handles.hpp"
#include "utilities/growableArray.hpp"
#include "utilities/exceptions.hpp"

class InstanceKlass;
class Symbol;
class Method;

class DefaultMethods : AllStatic {
 public:

  // Analyzes class and determines which default methods are inherited
  // from interfaces (and has no other implementation).  For each method
  // (and each different signature the method could have), create an
  // "overpass" method that is an instance method that redirects to the
  // default method.  Overpass methods are added to the methods lists for
  // the class.
  static void generate_default_methods(
      InstanceKlass* klass, GrowableArray<Method*>* mirandas, TRAPS);


  // Called during linking when an invokespecial to an direct interface
  // method is found.  Selects and returns a method if there is a unique
  // default method in the 'super_iface' part of the hierarchy which is
  // also a candidate default for 'this_klass'.  Otherwise throws an AME.
  static Method* find_super_default(
      Klass* this_klass, Klass* super_iface,
      Symbol* method_name, Symbol* method_sig, TRAPS);
};

#endif // SHARE_VM_CLASSFILE_DEFAULTMETHODS_HPP