/*

 * Copyright (c) 1999, 2019, Oracle and/or its affiliates. All rights reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * 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_CI_CICONSTANTPOOLCACHE_HPP

#define SHARE_CI_CICONSTANTPOOLCACHE_HPP

#include "memory/resourceArea.hpp"

#include "utilities/growableArray.hpp"

// ciConstantPoolCache

//

// The class caches indexed constant pool lookups.

//

// Usage note: this klass has nothing to do with ConstantPoolCache*.

class ciConstantPoolCache : public ResourceObj {

private:

  GrowableArray<int>*   _keys;

  GrowableArray<void*>* _elements;

  static int key_compare(const int& key, const int& elt);

public:

  ciConstantPoolCache(Arena* arena, int expected_size);

  // Get the element associated with some index.

  void* get(int index);

  // Associate an element with an index.

  void insert(int index, void* element);

  void print();

};

#endif // SHARE_CI_CICONSTANTPOOLCACHE_HPP