/*******************************************************************************
 * Copyright IBM Corp. and others 2000
 *
 * 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 OMR_RAW_ALLOCATOR_HPP
#define OMR_RAW_ALLOCATOR_HPP

#pragma once

#ifndef TR_RAW_ALLOCATOR
#define TR_RAW_ALLOCATOR

namespace OMR {
class RawAllocator;
}

namespace TR {
typedef OMR::RawAllocator RawAllocator;
}
#endif

#include <stddef.h>
#include <cstdlib>
#include <new>
#include "env/TypedAllocator.hpp"

namespace OMR {

class RawAllocator {
public:
    RawAllocator() {}

    RawAllocator(const RawAllocator &other) {}

    void *allocate(size_t size, const std::nothrow_t tag, void *hint = 0) throw() { return malloc(size); }

    void *allocate(size_t size, void *hint = 0)
    {
        void * const alloc = allocate(size, std::nothrow, hint);
        if (!alloc)
            throw std::bad_alloc();
        return alloc;
    }

    void deallocate(void *p) throw() { free(p); }

    void deallocate(void *p, const size_t size) throw() { free(p); }

    friend bool operator==(const RawAllocator &left, const RawAllocator &right) { return true; }

    friend bool operator!=(const RawAllocator &left, const RawAllocator &right) { return !operator==(left, right); }

    template<typename T> operator TR::typed_allocator<T, RawAllocator>() throw()
    {
        return TR::typed_allocator<T, RawAllocator>(*this);
    }
};

} // namespace OMR

inline void *operator new(size_t size, OMR::RawAllocator allocator) { return allocator.allocate(size); }

inline void operator delete(void *ptr, OMR::RawAllocator allocator) throw() { allocator.deallocate(ptr); }

inline void *operator new[](size_t size, OMR::RawAllocator allocator) { return allocator.allocate(size); }

inline void operator delete[](void *ptr, OMR::RawAllocator allocator) throw() { allocator.deallocate(ptr); }

inline void *operator new(size_t size, OMR::RawAllocator allocator, const std::nothrow_t &tag) throw()
{
    return allocator.allocate(size, tag);
}

inline void *operator new[](size_t size, OMR::RawAllocator allocator, const std::nothrow_t &tag) throw()
{
    return allocator.allocate(size, tag);
}

#endif // OMR_RAW_ALLOCATOR_HPP
