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 #include <boost/serialization/serialization.hpp>
21 
22 namespace boost{
23 namespace serialization {
24 namespace detail {
25 
26 // reserve space on stack for an object of type T without actually
27 // construction such an object
28 template<typename T >
29 struct stack_allocate
30 {
addressboost::serialization::detail::stack_allocate31     T * address() {
32         return static_cast<T*>(storage_.address());
33     }
referenceboost::serialization::detail::stack_allocate34     T & reference() {
35         return * address();
36     }
37 private:
38     typedef typename boost::aligned_storage<
39         sizeof(T),
40         boost::alignment_of<T>::value
41     > type;
42     type storage_;
43 };
44 
45 // construct element on the stack
46 template<class Archive, class T>
47 struct stack_construct : public stack_allocate<T>
48 {
stack_constructboost::serialization::detail::stack_construct49     stack_construct(Archive & ar, const unsigned int version){
50         // note borland emits a no-op without the explicit namespace
51         boost::serialization::load_construct_data_adl(
52             ar,
53             this->address(),
54             version
55         );
56     }
~stack_constructboost::serialization::detail::stack_construct57     ~stack_construct(){
58         this->address()->~T(); // undo load_construct_data above
59     }
60 };
61 
62 } // detail
63 } // serializaition
64 } // boost
65 
66 #endif //  BOOST_SERIALIZATION_DETAIL_STACH_CONSTRUCTOR_HPP
67