1 #ifndef  BOOST_SERIALIZATION_DETAIL_STACH_CONSTRUCTOR_HPP
2 #define BOOST_SERIALIZATION_DETAIL_STACH_CONSTRUCTOR_HPP
3 
4 // MS compatible compilers support #pragma once
5 #if defined(_MSC_VER)
6 # pragma once
7 #endif
8 
9 /////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8
10 // stack_constructor.hpp: serialization for loading stl collections
11 
12 // (C) Copyright 2002 Robert Ramey - http://www.rrsd.com .
13 // Use, modification and distribution is subject to the Boost Software
14 // License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
15 // http://www.boost.org/LICENSE_1_0.txt)
16 
17 //  See http://www.boost.org for updates, documentation, and revision history.
18 
19 #include <boost/aligned_storage.hpp>
20 
21 namespace boost{
22 namespace serialization {
23 namespace detail {
24 
25 // reserve space on stack for an object of type T without actually
26 // construction such an object
27 template<typename T >
28 struct stack_allocate
29 {
addressboost::serialization::detail::stack_allocate30     T * address() {
31         return static_cast<T*>(storage_.address());
32     }
referenceboost::serialization::detail::stack_allocate33     T & reference() {
34         return * address();
35     }
36 private:
37     typedef typename boost::aligned_storage<
38         sizeof(T),
39         boost::alignment_of<T>::value
40     > type;
41     type storage_;
42 };
43 
44 // construct element on the stack
45 template<class Archive, class T>
46 struct stack_construct : public stack_allocate<T>
47 {
stack_constructboost::serialization::detail::stack_construct48     stack_construct(Archive & ar, const unsigned int version){
49         // note borland emits a no-op without the explicit namespace
50         boost::serialization::load_construct_data_adl(
51             ar,
52             this->address(),
53             version
54         );
55     }
~stack_constructboost::serialization::detail::stack_construct56     ~stack_construct(){
57         this->address()->~T(); // undo load_construct_data above
58     }
59 };
60 
61 } // detail
62 } // serializaition
63 } // boost
64 
65 #endif //  BOOST_SERIALIZATION_DETAIL_STACH_CONSTRUCTOR_HPP
66