stabilize build system: depends, installer, boost/bdb fixes, cross targets groundwork
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//////////////////////////////////////////////////////////////////////////////
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//
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// (C) Copyright Ion Gaztanaga 2005-2013.
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//
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// Distributed under the Boost Software License, Version 1.0.
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// (See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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//
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// See http://www.boost.org/libs/container for documentation.
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//
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//////////////////////////////////////////////////////////////////////////////
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#ifndef BOOST_CONTAINER_DESTROYERS_HPP
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#define BOOST_CONTAINER_DESTROYERS_HPP
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#ifndef BOOST_CONFIG_HPP
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# include <boost/config.hpp>
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#endif
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#if defined(BOOST_HAS_PRAGMA_ONCE)
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# pragma once
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#endif
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#include <boost/container/detail/config_begin.hpp>
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#include <boost/container/detail/workaround.hpp>
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#include <boost/container/allocator_traits.hpp>
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#include <boost/container/detail/to_raw_pointer.hpp>
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#include <boost/container/detail/version_type.hpp>
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namespace boost {
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namespace container {
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namespace container_detail {
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//!A deleter for scoped_ptr that deallocates the memory
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//!allocated for an object using a STL allocator.
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template <class Allocator>
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struct scoped_deallocator
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{
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typedef allocator_traits<Allocator> allocator_traits_type;
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typedef typename allocator_traits_type::pointer pointer;
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typedef container_detail::integral_constant<unsigned,
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boost::container::container_detail::
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version<Allocator>::value> alloc_version;
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private:
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void priv_deallocate(version_1)
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{ m_alloc.deallocate(m_ptr, 1); }
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void priv_deallocate(version_2)
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{ m_alloc.deallocate_one(m_ptr); }
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BOOST_MOVABLE_BUT_NOT_COPYABLE(scoped_deallocator)
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public:
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pointer m_ptr;
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Allocator& m_alloc;
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scoped_deallocator(pointer p, Allocator& a)
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: m_ptr(p), m_alloc(a)
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{}
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~scoped_deallocator()
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{ if (m_ptr)priv_deallocate(alloc_version()); }
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scoped_deallocator(BOOST_RV_REF(scoped_deallocator) o)
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: m_ptr(o.m_ptr), m_alloc(o.m_alloc)
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{ o.release(); }
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pointer get() const
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{ return m_ptr; }
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void set(const pointer &p)
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{ m_ptr = p; }
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void release()
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{ m_ptr = 0; }
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};
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template <class Allocator>
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struct null_scoped_deallocator
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{
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typedef boost::container::allocator_traits<Allocator> AllocTraits;
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typedef typename AllocTraits::pointer pointer;
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typedef typename AllocTraits::size_type size_type;
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null_scoped_deallocator(pointer, Allocator&, size_type)
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{}
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void release()
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{}
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pointer get() const
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{ return pointer(); }
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void set(const pointer &)
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{}
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};
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//!A deleter for scoped_ptr that deallocates the memory
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//!allocated for an array of objects using a STL allocator.
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template <class Allocator>
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struct scoped_array_deallocator
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{
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typedef boost::container::allocator_traits<Allocator> AllocTraits;
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typedef typename AllocTraits::pointer pointer;
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typedef typename AllocTraits::size_type size_type;
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scoped_array_deallocator(pointer p, Allocator& a, size_type length)
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: m_ptr(p), m_alloc(a), m_length(length) {}
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~scoped_array_deallocator()
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{ if (m_ptr) m_alloc.deallocate(m_ptr, m_length); }
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void release()
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{ m_ptr = 0; }
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private:
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pointer m_ptr;
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Allocator& m_alloc;
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size_type m_length;
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};
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template <class Allocator>
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struct null_scoped_array_deallocator
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{
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typedef boost::container::allocator_traits<Allocator> AllocTraits;
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typedef typename AllocTraits::pointer pointer;
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typedef typename AllocTraits::size_type size_type;
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null_scoped_array_deallocator(pointer, Allocator&, size_type)
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{}
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void release()
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{}
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};
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template <class Allocator>
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struct scoped_destroy_deallocator
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{
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typedef boost::container::allocator_traits<Allocator> AllocTraits;
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typedef typename AllocTraits::pointer pointer;
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typedef typename AllocTraits::size_type size_type;
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typedef container_detail::integral_constant<unsigned,
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boost::container::container_detail::
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version<Allocator>::value> alloc_version;
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scoped_destroy_deallocator(pointer p, Allocator& a)
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: m_ptr(p), m_alloc(a) {}
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~scoped_destroy_deallocator()
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{
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if(m_ptr){
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AllocTraits::destroy(m_alloc, container_detail::to_raw_pointer(m_ptr));
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priv_deallocate(m_ptr, alloc_version());
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}
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}
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void release()
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{ m_ptr = 0; }
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private:
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void priv_deallocate(const pointer &p, version_1)
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{ AllocTraits::deallocate(m_alloc, p, 1); }
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void priv_deallocate(const pointer &p, version_2)
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{ m_alloc.deallocate_one(p); }
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pointer m_ptr;
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Allocator& m_alloc;
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};
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//!A deleter for scoped_ptr that destroys
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//!an object using a STL allocator.
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template <class Allocator>
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struct scoped_destructor_n
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{
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typedef boost::container::allocator_traits<Allocator> AllocTraits;
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typedef typename AllocTraits::pointer pointer;
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typedef typename AllocTraits::value_type value_type;
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typedef typename AllocTraits::size_type size_type;
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scoped_destructor_n(pointer p, Allocator& a, size_type n)
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: m_p(p), m_a(a), m_n(n)
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{}
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void release()
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{ m_p = 0; }
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void increment_size(size_type inc)
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{ m_n += inc; }
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void increment_size_backwards(size_type inc)
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{ m_n += inc; m_p -= inc; }
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void shrink_forward(size_type inc)
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{ m_n -= inc; m_p += inc; }
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~scoped_destructor_n()
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{
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if(!m_p) return;
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value_type *raw_ptr = container_detail::to_raw_pointer(m_p);
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while(m_n--){
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AllocTraits::destroy(m_a, raw_ptr++);
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}
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}
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private:
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pointer m_p;
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Allocator & m_a;
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size_type m_n;
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};
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//!A deleter for scoped_ptr that destroys
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//!an object using a STL allocator.
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template <class Allocator>
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struct null_scoped_destructor_n
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{
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typedef boost::container::allocator_traits<Allocator> AllocTraits;
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typedef typename AllocTraits::pointer pointer;
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typedef typename AllocTraits::size_type size_type;
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null_scoped_destructor_n(pointer, Allocator&, size_type)
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{}
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void increment_size(size_type)
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{}
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void increment_size_backwards(size_type)
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{}
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void shrink_forward(size_type)
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{}
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void release()
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{}
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};
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template<class Allocator>
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class scoped_destructor
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{
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typedef boost::container::allocator_traits<Allocator> AllocTraits;
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public:
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typedef typename Allocator::value_type value_type;
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scoped_destructor(Allocator &a, value_type *pv)
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: pv_(pv), a_(a)
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{}
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~scoped_destructor()
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{
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if(pv_){
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AllocTraits::destroy(a_, pv_);
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}
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}
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void release()
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{ pv_ = 0; }
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void set(value_type *ptr) { pv_ = ptr; }
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value_type *get() const { return pv_; }
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private:
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value_type *pv_;
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Allocator &a_;
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};
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template<class Allocator>
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class value_destructor
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{
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typedef boost::container::allocator_traits<Allocator> AllocTraits;
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public:
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typedef typename Allocator::value_type value_type;
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value_destructor(Allocator &a, value_type &rv)
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: rv_(rv), a_(a)
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{}
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~value_destructor()
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{
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AllocTraits::destroy(a_, &rv_);
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}
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private:
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value_type &rv_;
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Allocator &a_;
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};
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template <class Allocator>
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class allocator_destroyer
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{
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typedef boost::container::allocator_traits<Allocator> AllocTraits;
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typedef typename AllocTraits::value_type value_type;
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typedef typename AllocTraits::pointer pointer;
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typedef container_detail::integral_constant<unsigned,
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boost::container::container_detail::
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version<Allocator>::value> alloc_version;
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private:
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Allocator & a_;
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private:
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void priv_deallocate(const pointer &p, version_1)
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{ AllocTraits::deallocate(a_,p, 1); }
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void priv_deallocate(const pointer &p, version_2)
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{ a_.deallocate_one(p); }
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public:
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explicit allocator_destroyer(Allocator &a)
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: a_(a)
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{}
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void operator()(const pointer &p)
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{
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AllocTraits::destroy(a_, container_detail::to_raw_pointer(p));
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this->priv_deallocate(p, alloc_version());
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}
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};
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template <class Allocator>
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class allocator_destroyer_and_chain_builder
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{
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typedef allocator_traits<Allocator> allocator_traits_type;
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typedef typename allocator_traits_type::value_type value_type;
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typedef typename Allocator::multiallocation_chain multiallocation_chain;
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Allocator & a_;
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multiallocation_chain &c_;
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public:
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allocator_destroyer_and_chain_builder(Allocator &a, multiallocation_chain &c)
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: a_(a), c_(c)
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{}
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void operator()(const typename Allocator::pointer &p)
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{
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allocator_traits<Allocator>::destroy(a_, container_detail::to_raw_pointer(p));
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c_.push_back(p);
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}
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};
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template <class Allocator>
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class allocator_multialloc_chain_node_deallocator
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{
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typedef allocator_traits<Allocator> allocator_traits_type;
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typedef typename allocator_traits_type::value_type value_type;
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typedef typename Allocator::multiallocation_chain multiallocation_chain;
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typedef allocator_destroyer_and_chain_builder<Allocator> chain_builder;
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Allocator & a_;
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multiallocation_chain c_;
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public:
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allocator_multialloc_chain_node_deallocator(Allocator &a)
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: a_(a), c_()
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{}
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chain_builder get_chain_builder()
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{ return chain_builder(a_, c_); }
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~allocator_multialloc_chain_node_deallocator()
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{
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a_.deallocate_individual(c_);
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}
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};
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} //namespace container_detail {
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} //namespace container {
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} //namespace boost {
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#include <boost/container/detail/config_end.hpp>
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#endif //#ifndef BOOST_CONTAINER_DESTROYERS_HPP
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