comparison DEPENDENCIES/generic/include/boost/archive/detail/iserializer.hpp @ 16:2665513ce2d3

Add boost headers

+#ifndef BOOST_ARCHIVE_DETAIL_ISERIALIZER_HPP
+#define BOOST_ARCHIVE_DETAIL_ISERIALIZER_HPP
+
+// MS compatible compilers support #pragma once
+#if defined(_MSC_VER) && (_MSC_VER >= 1020)
+# pragma once
+#pragma inline_depth(511)
+#pragma inline_recursion(on)
+#endif
+
+#if defined(__MWERKS__)
+#pragma inline_depth(511)
+#endif
+
+/////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8
+// iserializer.hpp: interface for serialization system.
+
+// (C) Copyright 2002 Robert Ramey - http://www.rrsd.com . 
+// Use, modification and distribution is subject to 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 for updates, documentation, and revision history.
+
+#include <new>     // for placement new
+#include <memory>  // for auto_ptr
+#include <cstddef> // size_t, NULL
+
+#include <boost/config.hpp>
+#include <boost/detail/workaround.hpp>
+#if defined(BOOST_NO_STDC_NAMESPACE)
+namespace std{ 
+    using ::size_t; 
+} // namespace std
+#endif
+
+#include <boost/static_assert.hpp>
+
+#include <boost/mpl/eval_if.hpp>
+#include <boost/mpl/identity.hpp>
+#include <boost/mpl/greater_equal.hpp>
+#include <boost/mpl/equal_to.hpp>
+#include <boost/mpl/bool.hpp>
+#include <boost/detail/no_exceptions_support.hpp>
+
+#ifndef BOOST_SERIALIZATION_DEFAULT_TYPE_INFO   
+    #include <boost/serialization/extended_type_info_typeid.hpp>   
+#endif
+#include <boost/serialization/throw_exception.hpp>
+#include <boost/serialization/smart_cast.hpp>
+#include <boost/serialization/static_warning.hpp>
+
+#include <boost/type_traits/is_pointer.hpp>
+#include <boost/type_traits/is_enum.hpp>
+#include <boost/type_traits/is_const.hpp>
+#include <boost/type_traits/remove_const.hpp>
+#include <boost/type_traits/remove_extent.hpp>
+#include <boost/type_traits/is_polymorphic.hpp>
+
+#include <boost/serialization/assume_abstract.hpp>
+
+#define DONT_USE_HAS_NEW_OPERATOR (                    \
+    defined(__BORLANDC__)                              \
+    || BOOST_WORKAROUND(__IBMCPP__, < 1210)            \
+    || defined(BOOST_MSVC) && (BOOST_MSVC <= 1300)     \
+    || defined(__SUNPRO_CC) && (__SUNPRO_CC < 0x590)   \
+)
+
+#if ! DONT_USE_HAS_NEW_OPERATOR
+#include <boost/type_traits/has_new_operator.hpp>
+#endif
+
+#include <boost/serialization/serialization.hpp>
+#include <boost/serialization/version.hpp>
+#include <boost/serialization/level.hpp>
+#include <boost/serialization/tracking.hpp>
+#include <boost/serialization/type_info_implementation.hpp>
+#include <boost/serialization/nvp.hpp>
+#include <boost/serialization/void_cast.hpp>
+#include <boost/serialization/array.hpp>
+#include <boost/serialization/collection_size_type.hpp>
+#include <boost/serialization/singleton.hpp>
+#include <boost/serialization/wrapper.hpp>
+
+// the following is need only for dynamic cast of polymorphic pointers
+#include <boost/archive/archive_exception.hpp>
+#include <boost/archive/detail/basic_iarchive.hpp>
+#include <boost/archive/detail/basic_iserializer.hpp>
+#include <boost/archive/detail/basic_pointer_iserializer.hpp>
+#include <boost/archive/detail/archive_serializer_map.hpp>
+#include <boost/archive/detail/check.hpp>
+
+namespace boost {
+
+namespace serialization {
+    class extended_type_info;
+} // namespace serialization
+
+namespace archive {
+
+// an accessor to permit friend access to archives.  Needed because
+// some compilers don't handle friend templates completely
+class load_access {
+public:
+    template<class Archive, class T>
+    static void load_primitive(Archive &ar, T &t){
+        ar.load(t);
+    }
+};
+
+namespace detail {
+
+#ifdef BOOST_MSVC
+#  pragma warning(push)
+#  pragma warning(disable : 4511 4512)
+#endif
+
+template<class Archive, class T>
+class iserializer : public basic_iserializer
+{
+private:
+    virtual void destroy(/*const*/ void *address) const {
+        boost::serialization::access::destroy(static_cast<T *>(address));
+    }
+protected:
+    // protected constructor since it's always created by singleton
+    explicit iserializer() :
+        basic_iserializer(
+            boost::serialization::singleton<
+                BOOST_DEDUCED_TYPENAME 
+                boost::serialization::type_info_implementation< T >::type
+            >::get_const_instance()
+        )
+    {}
+public:
+    virtual BOOST_DLLEXPORT void load_object_data(
+        basic_iarchive & ar,
+        void *x, 
+        const unsigned int file_version
+    ) const BOOST_USED;
+    virtual bool class_info() const {
+        return boost::serialization::implementation_level< T >::value 
+            >= boost::serialization::object_class_info;
+    }
+    virtual bool tracking(const unsigned int /* flags */) const {
+        return boost::serialization::tracking_level< T >::value 
+                == boost::serialization::track_always
+            || ( boost::serialization::tracking_level< T >::value 
+                == boost::serialization::track_selectively
+                && serialized_as_pointer());
+    }
+    virtual version_type version() const {
+        return version_type(::boost::serialization::version< T >::value);
+    }
+    virtual bool is_polymorphic() const {
+        return boost::is_polymorphic< T >::value;
+    }
+    virtual ~iserializer(){};
+};
+
+#ifdef BOOST_MSVC
+#  pragma warning(pop)
+#endif
+
+template<class Archive, class T>
+BOOST_DLLEXPORT void iserializer<Archive, T>::load_object_data(
+    basic_iarchive & ar,
+    void *x, 
+    const unsigned int file_version
+) const {
+    // note: we now comment this out. Before we permited archive
+    // version # to be very large.  Now we don't.  To permit
+    // readers of these old archives, we have to suppress this 
+    // code.  Perhaps in the future we might re-enable it but
+    // permit its suppression with a runtime switch.
+    #if 0
+    // trap case where the program cannot handle the current version
+    if(file_version > static_cast<const unsigned int>(version()))
+        boost::serialization::throw_exception(
+            archive::archive_exception(
+                boost::archive::archive_exception::unsupported_class_version,
+                get_debug_info()
+            )
+        );
+    #endif
+    // make sure call is routed through the higest interface that might
+    // be specialized by the user.
+    boost::serialization::serialize_adl(
+        boost::serialization::smart_cast_reference<Archive &>(ar),
+        * static_cast<T *>(x), 
+        file_version
+    );
+}
+
+#ifdef BOOST_MSVC
+#  pragma warning(push)
+#  pragma warning(disable : 4511 4512)
+#endif
+
+template<class Archive, class T>
+class pointer_iserializer :
+    public basic_pointer_iserializer
+{
+private:
+    virtual const basic_iserializer & get_basic_serializer() const {
+        return boost::serialization::singleton<
+            iserializer<Archive, T>
+        >::get_const_instance();
+    }
+    BOOST_DLLEXPORT virtual void load_object_ptr(
+        basic_iarchive & ar, 
+        void * & x,
+        const unsigned int file_version
+    ) const BOOST_USED;
+protected:
+    // this should alway be a singleton so make the constructor protected
+    pointer_iserializer();
+    ~pointer_iserializer();
+};
+
+#ifdef BOOST_MSVC
+#  pragma warning(pop)
+#endif
+
+// note trick to be sure that operator new is using class specific
+// version if such exists. Due to Peter Dimov.
+// note: the following fails if T has no default constructor.
+// otherwise it would have been ideal
+//struct heap_allocator : public T 
+//{
+//    T * invoke(){
+//        return ::new(sizeof(T));
+//    }
+//}
+
+template<class T>
+struct heap_allocator
+{
+    // boost::has_new_operator< T > doesn't work on these compilers
+    #if DONT_USE_HAS_NEW_OPERATOR
+        // This doesn't handle operator new overload for class T
+        static T * invoke(){
+            return static_cast<T *>(operator new(sizeof(T)));
+        }
+    #else
+        struct has_new_operator {
+            static T* invoke() {
+                return static_cast<T *>((T::operator new)(sizeof(T)));
+            }
+        };
+        struct doesnt_have_new_operator {
+            static T* invoke() {
+                return static_cast<T *>(operator new(sizeof(T)));
+            }
+        };
+        static T * invoke() {
+            typedef BOOST_DEDUCED_TYPENAME
+                mpl::eval_if<
+                    boost::has_new_operator< T >,
+                    mpl::identity<has_new_operator >,
+                    mpl::identity<doesnt_have_new_operator >    
+                >::type typex;
+            return typex::invoke();
+        }
+    #endif
+};
+
+// due to Martin Ecker
+template <typename T>
+class auto_ptr_with_deleter
+{
+public:
+    explicit auto_ptr_with_deleter(T* p) :
+        m_p(p)
+    {}
+    ~auto_ptr_with_deleter(){
+        if (m_p)
+            boost::serialization::access::destroy(m_p);
+    }
+    T* get() const {
+        return m_p;
+    }
+
+    T* release() {
+        T* p = m_p;
+        m_p = NULL;
+        return p;
+    }
+private:
+    T* m_p;
+};
+
+// note: BOOST_DLLEXPORT is so that code for polymorphic class
+// serialized only through base class won't get optimized out
+template<class Archive, class T>
+BOOST_DLLEXPORT void pointer_iserializer<Archive, T>::load_object_ptr(
+    basic_iarchive & ar, 
+    void * & x,
+    const unsigned int file_version
+) const
+{
+    Archive & ar_impl = 
+        boost::serialization::smart_cast_reference<Archive &>(ar);
+
+    auto_ptr_with_deleter< T > ap(heap_allocator< T >::invoke());
+    if(NULL == ap.get())
+        boost::serialization::throw_exception(std::bad_alloc()) ;
+
+    T * t = ap.get();
+    x = t;
+
+    // catch exception during load_construct_data so that we don't
+    // automatically delete the t which is most likely not fully
+    // constructed
+    BOOST_TRY {
+        // this addresses an obscure situtation that occurs when 
+        // load_constructor de-serializes something through a pointer.
+        ar.next_object_pointer(t);
+        boost::serialization::load_construct_data_adl<Archive, T>(
+            ar_impl,
+            t, 
+            file_version
+        );
+    }
+    BOOST_CATCH(...){
+        ap.release();
+        BOOST_RETHROW;
+    }
+    BOOST_CATCH_END
+
+    ar_impl >> boost::serialization::make_nvp(NULL, * t);
+    ap.release();
+}
+
+template<class Archive, class T>
+pointer_iserializer<Archive, T>::pointer_iserializer() :
+    basic_pointer_iserializer(
+        boost::serialization::singleton<
+            BOOST_DEDUCED_TYPENAME 
+            boost::serialization::type_info_implementation< T >::type
+        >::get_const_instance()
+    )
+{
+    boost::serialization::singleton<
+        iserializer<Archive, T>
+    >::get_mutable_instance().set_bpis(this);
+    archive_serializer_map<Archive>::insert(this);
+}
+
+template<class Archive, class T>
+pointer_iserializer<Archive, T>::~pointer_iserializer(){
+    archive_serializer_map<Archive>::erase(this);
+}
+
+template<class Archive>
+struct load_non_pointer_type {
+    // note this bounces the call right back to the archive
+    // with no runtime overhead
+    struct load_primitive {
+        template<class T>
+        static void invoke(Archive & ar, T & t){
+            load_access::load_primitive(ar, t);
+        }
+    };
+    // note this bounces the call right back to the archive
+    // with no runtime overhead
+    struct load_only {
+        template<class T>
+        static void invoke(Archive & ar, const T & t){
+            // short cut to user's serializer
+            // make sure call is routed through the higest interface that might
+            // be specialized by the user.
+            boost::serialization::serialize_adl(
+                ar, 
+                const_cast<T &>(t), 
+                boost::serialization::version< T >::value
+            );
+        }
+    };
+
+    // note this save class information including version
+    // and serialization level to the archive
+    struct load_standard {
+        template<class T>
+        static void invoke(Archive &ar, const T & t){
+            void * x = & const_cast<T &>(t);
+            ar.load_object(
+                x, 
+                boost::serialization::singleton<
+                    iserializer<Archive, T>
+                >::get_const_instance()
+            );
+        }
+    };
+
+    struct load_conditional {
+        template<class T>
+        static void invoke(Archive &ar, T &t){
+            //if(0 == (ar.get_flags() & no_tracking))
+                load_standard::invoke(ar, t);
+            //else
+            //    load_only::invoke(ar, t);
+        }
+    };
+
+    template<class T>
+    static void invoke(Archive & ar, T &t){
+        typedef BOOST_DEDUCED_TYPENAME mpl::eval_if<
+                // if its primitive
+                mpl::equal_to<
+                    boost::serialization::implementation_level< T >,
+                    mpl::int_<boost::serialization::primitive_type>
+                >,
+                mpl::identity<load_primitive>,
+            // else
+            BOOST_DEDUCED_TYPENAME mpl::eval_if<
+            // class info / version
+            mpl::greater_equal<
+                        boost::serialization::implementation_level< T >,
+                        mpl::int_<boost::serialization::object_class_info>
+                    >,
+            // do standard load
+            mpl::identity<load_standard>,
+        // else
+        BOOST_DEDUCED_TYPENAME mpl::eval_if<
+            // no tracking
+                    mpl::equal_to<
+                        boost::serialization::tracking_level< T >,
+                        mpl::int_<boost::serialization::track_never>
+                >,
+                // do a fast load
+                mpl::identity<load_only>,
+            // else
+            // do a fast load only tracking is turned off
+            mpl::identity<load_conditional>
+        > > >::type typex;
+        check_object_versioning< T >();
+        check_object_level< T >();
+        typex::invoke(ar, t);
+    }
+};
+
+template<class Archive>
+struct load_pointer_type {
+    struct abstract
+    {
+        template<class T>
+        static const basic_pointer_iserializer * register_type(Archive & /* ar */){
+            // it has? to be polymorphic
+            BOOST_STATIC_ASSERT(boost::is_polymorphic< T >::value);
+            return static_cast<basic_pointer_iserializer *>(NULL);
+         }
+    };
+
+    struct non_abstract
+    {
+        template<class T>
+        static const basic_pointer_iserializer * register_type(Archive & ar){
+            return ar.register_type(static_cast<T *>(NULL));
+        }
+    };
+
+    template<class T>
+    static const basic_pointer_iserializer * register_type(Archive &ar, const T & /*t*/){
+        // there should never be any need to load an abstract polymorphic 
+        // class pointer.  Inhibiting code generation for this
+        // permits abstract base classes to be used - note: exception
+        // virtual serialize functions used for plug-ins
+        typedef BOOST_DEDUCED_TYPENAME
+            mpl::eval_if<
+                boost::serialization::is_abstract<const T>,
+                boost::mpl::identity<abstract>,
+                boost::mpl::identity<non_abstract>  
+            >::type typex;
+        return typex::template register_type< T >(ar);
+    }
+
+    template<class T>
+    static T * pointer_tweak(
+        const boost::serialization::extended_type_info & eti,
+        void const * const t,
+        const T &
+    ) {
+        // tweak the pointer back to the base class
+        return static_cast<T *>(
+            const_cast<void *>(
+                boost::serialization::void_upcast(
+                    eti,
+                    boost::serialization::singleton<
+                        BOOST_DEDUCED_TYPENAME 
+                        boost::serialization::type_info_implementation< T >::type
+                    >::get_const_instance(),
+                    t
+                )
+            )
+        );
+    }
+
+    template<class T>
+    static void check_load(T & /* t */){
+        check_pointer_level< T >();
+        check_pointer_tracking< T >();
+    }
+
+    static const basic_pointer_iserializer *
+    find(const boost::serialization::extended_type_info & type){
+        return static_cast<const basic_pointer_iserializer *>(
+            archive_serializer_map<Archive>::find(type)
+        );
+    }
+
+    template<class Tptr>
+    static void invoke(Archive & ar, Tptr & t){
+        check_load(*t);
+        const basic_pointer_iserializer * bpis_ptr = register_type(ar, *t);
+        const basic_pointer_iserializer * newbpis_ptr = ar.load_pointer(
+            // note major hack here !!!
+            // I tried every way to convert Tptr &t (where Tptr might
+            // include const) to void * &.  This is the only way
+            // I could make it work. RR
+            (void * & )t,
+            bpis_ptr,
+            find
+        );
+        // if the pointer isn't that of the base class
+        if(newbpis_ptr != bpis_ptr){
+            t = pointer_tweak(newbpis_ptr->get_eti(), t, *t);
+        }
+    }
+};
+
+template<class Archive>
+struct load_enum_type {
+    template<class T>
+    static void invoke(Archive &ar, T &t){
+        // convert integers to correct enum to load
+        int i;
+        ar >> boost::serialization::make_nvp(NULL, i);
+        t = static_cast< T >(i);
+    }
+};
+
+template<class Archive>
+struct load_array_type {
+    template<class T>
+    static void invoke(Archive &ar, T &t){
+        typedef BOOST_DEDUCED_TYPENAME remove_extent< T >::type value_type;
+        
+        // convert integers to correct enum to load
+        // determine number of elements in the array. Consider the
+        // fact that some machines will align elements on boundries
+        // other than characters.
+        std::size_t current_count = sizeof(t) / (
+            static_cast<char *>(static_cast<void *>(&t[1])) 
+            - static_cast<char *>(static_cast<void *>(&t[0]))
+        );
+        boost::serialization::collection_size_type count;
+        ar >> BOOST_SERIALIZATION_NVP(count);
+        if(static_cast<std::size_t>(count) > current_count)
+            boost::serialization::throw_exception(
+                archive::archive_exception(
+                    boost::archive::archive_exception::array_size_too_short
+                )
+            );
+        ar >> serialization::make_array(static_cast<value_type*>(&t[0]),count);
+    }
+};
+
+} // detail
+
+template<class Archive, class T>
+inline void load(Archive & ar, T &t){
+    // if this assertion trips. It means we're trying to load a
+    // const object with a compiler that doesn't have correct
+    // funtion template ordering.  On other compilers, this is
+    // handled below.
+    detail::check_const_loading< T >();
+    typedef
+        BOOST_DEDUCED_TYPENAME mpl::eval_if<is_pointer< T >,
+            mpl::identity<detail::load_pointer_type<Archive> >
+        ,//else
+        BOOST_DEDUCED_TYPENAME mpl::eval_if<is_array< T >,
+            mpl::identity<detail::load_array_type<Archive> >
+        ,//else
+        BOOST_DEDUCED_TYPENAME mpl::eval_if<is_enum< T >,
+            mpl::identity<detail::load_enum_type<Archive> >
+        ,//else
+            mpl::identity<detail::load_non_pointer_type<Archive> >
+        >
+        >
+        >::type typex;
+    typex::invoke(ar, t);
+}
+
+#if 0
+
+// BORLAND
+#if BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x560))
+// borland has a couple of problems
+// a) if function is partially specialized - see below
+// const paramters are transformed to non-const ones
+// b) implementation of base_object can't be made to work
+// correctly which results in all base_object s being const.
+// So, strip off the const for borland.  This breaks the trap
+// for loading const objects - but I see no alternative
+template<class Archive, class T>
+inline void load(Archive &ar, const T & t){
+    load(ar, const_cast<T &>(t));
+}
+#endif
+
+// let wrappers through.
+#ifndef BOOST_NO_FUNCTION_TEMPLATE_ORDERING
+template<class Archive, class T>
+inline void load_wrapper(Archive &ar, const T&t, mpl::true_){
+    boost::archive::load(ar, const_cast<T&>(t));
+}
+
+#if !BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x560))
+template<class Archive, class T>
+inline void load(Archive &ar, const T&t){
+  load_wrapper(ar,t,serialization::is_wrapper< T >());
+}
+#endif 
+#endif
+
+#endif
+
+} // namespace archive
+} // namespace boost
+
+#endif // BOOST_ARCHIVE_DETAIL_ISERIALIZER_HPP