/*******************************************************************************
 * Copyright IBM Corp. and others 2016
 *
 * This program and the accompanying materials are made available under
 * the terms of the Eclipse Public License 2.0 which accompanies this
 * distribution and is available at https://www.eclipse.org/legal/epl-2.0/
 * or the Apache License, Version 2.0 which accompanies this distribution
 * and is available at https://www.apache.org/licenses/LICENSE-2.0.
 *
 * This Source Code may also be made available under the following Secondary
 * Licenses when the conditions for such availability set forth in the
 * Eclipse Public License, v. 2.0 are satisfied: GNU General Public License,
 * version 2 with the GNU Classpath Exception [1] and GNU General Public
 * License, version 2 with the OpenJDK Assembly Exception [2].
 *
 * [1] https://www.gnu.org/software/classpath/license.html
 * [2] https://openjdk.org/legal/assembly-exception.html
 *
 * SPDX-License-Identifier: EPL-2.0 OR Apache-2.0 OR GPL-2.0-only WITH Classpath-exception-2.0 OR GPL-2.0-only WITH OpenJDK-assembly-exception-1.0
 *******************************************************************************/

#ifndef DEQUE_HPP
#define DEQUE_HPP

#pragma once

#include <deque>
#include "env/TypedAllocator.hpp"
#include "env/TRMemory.hpp"

namespace TR {

template<typename T, class Alloc = TR::Allocator> class deque : public std::deque<T, typed_allocator<T, Alloc> > {
public:
    typedef typed_allocator<T, Alloc> allocator_type;
    typedef std::deque<T, typed_allocator<T, Alloc> > container_type;
    typedef typename allocator_type::value_type value_type;
    typedef typename allocator_type::reference reference;
    typedef typename allocator_type::const_reference const_reference;
    /*
     * This would ideally use the parent deque's size_type.  However, such usage
     * runs into two-phase lookup problems when compiling with MSVC++ 2010.
     */
    typedef std::size_t size_type;

    explicit deque(const allocator_type &allocator);
    explicit deque(size_type size, const allocator_type &allocator);
    explicit deque(size_type size, const T &initialValue, const allocator_type &allocator);
    template<typename InputIterator> deque(InputIterator first, InputIterator last, const allocator_type &allocator);
    deque(const deque<T, Alloc> &x);
    ~deque();

    reference operator[](size_type index);
    const_reference operator[](size_type index) const;
};

} // namespace TR

template<typename T, class Alloc>
TR::deque<T, Alloc>::deque(const allocator_type &allocator)
    : container_type(allocator)
{}

template<typename T, class Alloc>
TR::deque<T, Alloc>::deque(size_type size, const allocator_type &allocator)
    : container_type(size, T(), allocator)
{}

template<typename T, class Alloc>
TR::deque<T, Alloc>::deque(size_type size, const T &initialValue, const allocator_type &allocator)
    : container_type(size, initialValue, allocator)
{}

template<typename T, class Alloc>
template<typename InputIterator>
TR::deque<T, Alloc>::deque(InputIterator first, InputIterator last, const allocator_type &allocator)
    : container_type(first, last, allocator)
{}

template<typename T, class Alloc>
TR::deque<T, Alloc>::deque(const deque<T, Alloc> &other)
    : container_type(other)
{}

template<typename T, class Alloc> TR::deque<T, Alloc>::~deque() {}

template<typename T, class Alloc>
typename TR::deque<T, Alloc>::reference TR::deque<T, Alloc>::operator[](size_type index)
{
// In DEBUG, at() is used for correctness due to its bound checking
// whilst [] is used in PROD for performance
#if defined(DEBUG) || defined(PROD_WITH_ASSUMES)
    return this->at(index);
#else
    return container_type::operator[](index);
#endif // defined(DEBUG) || defined(PROD_WITH_ASSUMES)
}

template<typename T, class Alloc>
typename TR::deque<T, Alloc>::const_reference TR::deque<T, Alloc>::operator[](size_type index) const
{
// In DEBUG, at() is used for correctness due to its bound checking
// whilst [] is used in PROD for performance
#if defined(DEBUG) || defined(PROD_WITH_ASSUMES)
    return this->at(index);
#else
    return container_type::operator[](index);
#endif // defined(DEBUG) || defined(PROD_WITH_ASSUMES)
}

#endif // DEQUE_HPP
