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Diffstat (limited to '3rdParty/Boost/src/boost/container/detail/allocator_version_traits.hpp')
-rw-r--r--3rdParty/Boost/src/boost/container/detail/allocator_version_traits.hpp168
1 files changed, 168 insertions, 0 deletions
diff --git a/3rdParty/Boost/src/boost/container/detail/allocator_version_traits.hpp b/3rdParty/Boost/src/boost/container/detail/allocator_version_traits.hpp
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+++ b/3rdParty/Boost/src/boost/container/detail/allocator_version_traits.hpp
@@ -0,0 +1,168 @@
+//////////////////////////////////////////////////////////////////////////////
+//
+// (C) Copyright Ion Gaztanaga 2012-2013. Distributed under the Boost
+// Software License, Version 1.0. (See accompanying file
+// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+// See http://www.boost.org/libs/container for documentation.
+//
+//////////////////////////////////////////////////////////////////////////////
+
+#ifndef BOOST_CONTAINER_DETAIL_ALLOCATOR_VERSION_TRAITS_HPP
+#define BOOST_CONTAINER_DETAIL_ALLOCATOR_VERSION_TRAITS_HPP
+
+#if defined(_MSC_VER)
+# pragma once
+#endif
+
+#include <boost/container/detail/config_begin.hpp>
+#include <boost/container/detail/workaround.hpp>
+
+#include <boost/container/allocator_traits.hpp> //allocator_traits
+#include <boost/container/throw_exception.hpp>
+#include <boost/container/detail/multiallocation_chain.hpp> //multiallocation_chain
+#include <boost/container/detail/version_type.hpp> //version_type
+#include <boost/container/detail/allocation_type.hpp> //allocation_type
+#include <boost/container/detail/mpl.hpp> //integral_constant
+#include <boost/intrusive/pointer_traits.hpp> //pointer_traits
+#include <utility> //pair
+#include <boost/detail/no_exceptions_support.hpp> //BOOST_TRY
+
+namespace boost {
+namespace container {
+namespace container_detail {
+
+template<class Allocator, unsigned Version = boost::container::container_detail::version<Allocator>::value>
+struct allocator_version_traits
+{
+ typedef ::boost::container::container_detail::integral_constant
+ <unsigned, Version> alloc_version;
+
+ typedef typename Allocator::multiallocation_chain multiallocation_chain;
+
+ typedef typename boost::container::allocator_traits<Allocator>::pointer pointer;
+ typedef typename boost::container::allocator_traits<Allocator>::size_type size_type;
+
+ //Node allocation interface
+ static pointer allocate_one(Allocator &a)
+ { return a.allocate_one(); }
+
+ static void deallocate_one(Allocator &a, const pointer &p)
+ { a.deallocate_one(p); }
+
+ static void allocate_individual(Allocator &a, size_type n, multiallocation_chain &m)
+ { return a.allocate_individual(n, m); }
+
+ static void deallocate_individual(Allocator &a, multiallocation_chain &holder)
+ { a.deallocate_individual(holder); }
+
+ static std::pair<pointer, bool>
+ allocation_command(Allocator &a, allocation_type command,
+ size_type limit_size, size_type preferred_size,
+ size_type &received_size, const pointer &reuse)
+ {
+ return a.allocation_command
+ (command, limit_size, preferred_size, received_size, reuse);
+ }
+};
+
+template<class Allocator>
+struct allocator_version_traits<Allocator, 1>
+{
+ typedef ::boost::container::container_detail::integral_constant
+ <unsigned, 1> alloc_version;
+
+ typedef typename boost::container::allocator_traits<Allocator>::pointer pointer;
+ typedef typename boost::container::allocator_traits<Allocator>::size_type size_type;
+ typedef typename boost::container::allocator_traits<Allocator>::value_type value_type;
+
+ typedef typename boost::intrusive::pointer_traits<pointer>::
+ template rebind_pointer<void>::type void_ptr;
+ typedef container_detail::basic_multiallocation_chain
+ <void_ptr> multialloc_cached_counted;
+ typedef boost::container::container_detail::
+ transform_multiallocation_chain
+ < multialloc_cached_counted, value_type> multiallocation_chain;
+
+ //Node allocation interface
+ static pointer allocate_one(Allocator &a)
+ { return a.allocate(1); }
+
+ static void deallocate_one(Allocator &a, const pointer &p)
+ { a.deallocate(p, 1); }
+
+ static void deallocate_individual(Allocator &a, multiallocation_chain &holder)
+ {
+ size_type n = holder.size();
+ typename multiallocation_chain::iterator it = holder.begin();
+ while(n--){
+ pointer p = boost::intrusive::pointer_traits<pointer>::pointer_to(*it);
+ ++it;
+ a.deallocate(p, 1);
+ }
+ }
+
+ struct allocate_individual_rollback
+ {
+ allocate_individual_rollback(Allocator &a, multiallocation_chain &chain)
+ : mr_a(a), mp_chain(&chain)
+ {}
+
+ ~allocate_individual_rollback()
+ {
+ if(mp_chain)
+ allocator_version_traits::deallocate_individual(mr_a, *mp_chain);
+ }
+
+ void release()
+ {
+ mp_chain = 0;
+ }
+
+ Allocator &mr_a;
+ multiallocation_chain * mp_chain;
+ };
+
+ static void allocate_individual(Allocator &a, size_type n, multiallocation_chain &m)
+ {
+ allocate_individual_rollback rollback(a, m);
+ while(n--){
+ m.push_front(a.allocate(1));
+ }
+ rollback.release();
+ }
+
+ static std::pair<pointer, bool>
+ allocation_command(Allocator &a, allocation_type command,
+ size_type, size_type preferred_size,
+ size_type &received_size, const pointer &)
+ {
+ std::pair<pointer, bool> ret(pointer(), false);
+ if(!(command & allocate_new)){
+ if(!(command & nothrow_allocation)){
+ throw_logic_error("version 1 allocator without allocate_new flag");
+ }
+ }
+ else{
+ received_size = preferred_size;
+ BOOST_TRY{
+ ret.first = a.allocate(received_size);
+ }
+ BOOST_CATCH(...){
+ if(!(command & nothrow_allocation)){
+ BOOST_RETHROW
+ }
+ }
+ BOOST_CATCH_END
+ }
+ return ret;
+ }
+};
+
+} //namespace container_detail {
+} //namespace container {
+} //namespace boost {
+
+#include <boost/container/detail/config_end.hpp>
+
+#endif // ! defined(BOOST_CONTAINER_DETAIL_ALLOCATOR_VERSION_TRAITS_HPP)