Imported Upstream version 1.49.0upstream/1.49.0

7 files changed, 835 insertions, 0 deletions

diff --git a/boost/exception/detail/attribute_noreturn.hpp b/boost/exception/detail/attribute_noreturn.hpp
new file mode 100644
index 0000000000..f6a0b5903e
--- /dev/null
+++ b/boost/exception/detail/attribute_noreturn.hpp
@@ -0,0 +1,17 @@
+//Copyright (c) 2009 Emil Dotchevski and Reverge Studios, Inc.
+
+//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)
+
+#ifndef UUID_61531AB0680611DEADD5846855D89593
+#define UUID_61531AB0680611DEADD5846855D89593
+
+#if defined(_MSC_VER)
+#define BOOST_ATTRIBUTE_NORETURN __declspec(noreturn)
+#elif defined(__GNUC__)
+#define BOOST_ATTRIBUTE_NORETURN __attribute__((noreturn))
+#else
+#define BOOST_ATTRIBUTE_NORETURN
+#endif
+
+#endif
diff --git a/boost/exception/detail/clone_current_exception.hpp b/boost/exception/detail/clone_current_exception.hpp
new file mode 100644
index 0000000000..cc201b908d
--- /dev/null
+++ b/boost/exception/detail/clone_current_exception.hpp
@@ -0,0 +1,47 @@
+//Copyright (c) 2006-2009 Emil Dotchevski and Reverge Studios, Inc.
+
+//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)
+
+#ifndef UUID_81522C0EB56511DFAB613DB0DFD72085
+#define UUID_81522C0EB56511DFAB613DB0DFD72085
+
+#ifdef BOOST_NO_EXCEPTIONS
+#    error This header requires exception handling to be enabled.
+#endif
+
+namespace
+boost
+    {
+    namespace
+    exception_detail
+        {
+        class clone_base;
+
+#ifdef BOOST_ENABLE_NON_INTRUSIVE_EXCEPTION_PTR
+        int clone_current_exception_non_intrusive( clone_base const * & cloned );
+#endif
+
+        namespace
+        clone_current_exception_result
+            {
+            int const success=0;
+            int const bad_alloc=1;
+            int const bad_exception=2;
+            int const not_supported=3;
+            }
+
+        inline
+        int
+        clone_current_exception( clone_base const * & cloned )
+            {
+#ifdef BOOST_ENABLE_NON_INTRUSIVE_EXCEPTION_PTR
+            return clone_current_exception_non_intrusive(cloned);
+#else
+            return clone_current_exception_result::not_supported;
+#endif
+            }
+        }
+    }
+
+#endif
diff --git a/boost/exception/detail/error_info_impl.hpp b/boost/exception/detail/error_info_impl.hpp
new file mode 100644
index 0000000000..883d313a98
--- /dev/null
+++ b/boost/exception/detail/error_info_impl.hpp
@@ -0,0 +1,75 @@
+//Copyright (c) 2006-2010 Emil Dotchevski and Reverge Studios, Inc.
+
+//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)
+
+#ifndef UUID_CE6983AC753411DDA764247956D89593
+#define UUID_CE6983AC753411DDA764247956D89593
+#if defined(__GNUC__) && !defined(BOOST_EXCEPTION_ENABLE_WARNINGS)
+#pragma GCC system_header
+#endif
+#if defined(_MSC_VER) && !defined(BOOST_EXCEPTION_ENABLE_WARNINGS)
+#pragma warning(push,1)
+#endif
+
+#include <string>
+
+namespace
+boost
+    {
+    namespace
+    exception_detail
+        {
+        class
+        error_info_base
+            {
+            public:
+
+            virtual std::string tag_typeid_name() const = 0;
+            virtual std::string value_as_string() const = 0;
+
+            protected:
+
+            ~error_info_base() throw()
+                {
+                }
+            };
+        }
+
+    template <class Tag,class T>
+    class
+    error_info:
+        public exception_detail::error_info_base
+        {
+        public:
+
+        typedef T value_type;
+
+        error_info( value_type const & value );
+        ~error_info() throw();
+
+        value_type const &
+        value() const
+            {
+            return value_;
+            }
+
+        value_type &
+        value()
+            {
+            return value_;
+            }
+
+        private:
+
+        std::string tag_typeid_name() const;
+        std::string value_as_string() const;
+
+        value_type value_;
+        };
+    }
+
+#if defined(_MSC_VER) && !defined(BOOST_EXCEPTION_ENABLE_WARNINGS)
+#pragma warning(pop)
+#endif
+#endif
diff --git a/boost/exception/detail/exception_ptr.hpp b/boost/exception/detail/exception_ptr.hpp
new file mode 100644
index 0000000000..b6ccf7e18c
--- /dev/null
+++ b/boost/exception/detail/exception_ptr.hpp
@@ -0,0 +1,503 @@
+//Copyright (c) 2006-2009 Emil Dotchevski and Reverge Studios, Inc.
+
+//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)
+
+#ifndef UUID_618474C2DE1511DEB74A388C56D89593
+#define UUID_618474C2DE1511DEB74A388C56D89593
+#if defined(__GNUC__) && !defined(BOOST_EXCEPTION_ENABLE_WARNINGS)
+#pragma GCC system_header
+#endif
+#if defined(_MSC_VER) && !defined(BOOST_EXCEPTION_ENABLE_WARNINGS)
+#pragma warning(push,1)
+#endif
+
+#include <boost/config.hpp>
+#ifdef BOOST_NO_EXCEPTIONS
+#error This header requires exception handling to be enabled.
+#endif
+#include <boost/exception/exception.hpp>
+#include <boost/exception/info.hpp>
+#include <boost/exception/diagnostic_information.hpp>
+#include <boost/exception/detail/type_info.hpp>
+#include <boost/exception/detail/clone_current_exception.hpp>
+#include <boost/shared_ptr.hpp>
+#include <stdexcept>
+#include <new>
+#include <ios>
+#include <cstdlib>
+
+namespace
+boost
+    {
+    class exception_ptr;
+    BOOST_ATTRIBUTE_NORETURN void rethrow_exception( exception_ptr const & );
+    exception_ptr current_exception();
+
+    class
+    exception_ptr
+        {
+        typedef boost::shared_ptr<exception_detail::clone_base const> impl;
+        impl ptr_;
+        friend void rethrow_exception( exception_ptr const & );
+        typedef exception_detail::clone_base const * (impl::*unspecified_bool_type)() const;
+        public:
+        exception_ptr()
+            {
+            }
+        explicit
+        exception_ptr( impl const & ptr ):
+            ptr_(ptr)
+            {
+            }
+        bool
+        operator==( exception_ptr const & other ) const
+            {
+            return ptr_==other.ptr_;
+            }
+        bool
+        operator!=( exception_ptr const & other ) const
+            {
+            return ptr_!=other.ptr_;
+            }
+        operator unspecified_bool_type() const
+            {
+            return ptr_?&impl::get:0;
+            }
+        };
+
+    template <class T>
+    inline
+    exception_ptr
+    copy_exception( T const & e )
+        {
+        try
+            {
+            throw enable_current_exception(e);
+            }
+        catch(
+        ... )
+            {
+            return current_exception();
+            }
+        }
+
+#ifndef BOOST_NO_RTTI
+    typedef error_info<struct tag_original_exception_type,std::type_info const *> original_exception_type;
+
+    inline
+    std::string
+    to_string( original_exception_type const & x )
+        {
+        return x.value()->name();
+        }
+#endif
+
+    namespace
+    exception_detail
+        {
+        struct
+        bad_alloc_:
+            boost::exception,
+            std::bad_alloc
+                {
+                ~bad_alloc_() throw() { }
+                };
+
+        struct
+        bad_exception_:
+            boost::exception,
+            std::bad_exception
+                {
+                ~bad_exception_() throw() { }
+                };
+
+        template <class Exception>
+        exception_ptr
+        get_static_exception_object()
+            {
+            Exception ba;
+            exception_detail::clone_impl<Exception> c(ba);
+            c <<
+                throw_function(BOOST_CURRENT_FUNCTION) <<
+                throw_file(__FILE__) <<
+                throw_line(__LINE__);
+            static exception_ptr ep(shared_ptr<exception_detail::clone_base const>(new exception_detail::clone_impl<Exception>(c)));
+            return ep;
+            }
+
+        template <class Exception>
+        struct
+        exception_ptr_static_exception_object
+            {
+            static exception_ptr const e;
+            };
+
+        template <class Exception>
+        exception_ptr const
+        exception_ptr_static_exception_object<Exception>::
+        e = get_static_exception_object<Exception>();
+        }
+
+#if defined(__GNUC__)
+# if (__GNUC__ == 4 && __GNUC_MINOR__ >= 1) || (__GNUC__ > 4)
+#  pragma GCC visibility push (default)
+# endif
+#endif
+    class
+    unknown_exception:
+        public boost::exception,
+        public std::exception
+        {
+        public:
+
+        unknown_exception()
+            {
+            }
+
+        explicit
+        unknown_exception( std::exception const & e )
+            {
+            add_original_type(e);
+            }
+
+        explicit
+        unknown_exception( boost::exception const & e ):
+            boost::exception(e)
+            {
+            add_original_type(e);
+            }
+
+        ~unknown_exception() throw()
+            {
+            }
+
+        private:
+
+        template <class E>
+        void
+        add_original_type( E const & e )
+            {
+#ifndef BOOST_NO_RTTI
+            (*this) << original_exception_type(&typeid(e));
+#endif
+            }
+        };
+#if defined(__GNUC__)
+# if (__GNUC__ == 4 && __GNUC_MINOR__ >= 1) || (__GNUC__ > 4)
+#  pragma GCC visibility pop
+# endif
+#endif
+
+    namespace
+    exception_detail
+        {
+        template <class T>
+        class
+        current_exception_std_exception_wrapper:
+            public T,
+            public boost::exception
+            {
+            public:
+
+            explicit
+            current_exception_std_exception_wrapper( T const & e1 ):
+                T(e1)
+                {
+                add_original_type(e1);
+                }
+
+            current_exception_std_exception_wrapper( T const & e1, boost::exception const & e2 ):
+                T(e1),
+                boost::exception(e2)
+                {
+                add_original_type(e1);
+                }
+
+            ~current_exception_std_exception_wrapper() throw()
+                {
+                }
+
+            private:
+
+            template <class E>
+            void
+            add_original_type( E const & e )
+                {
+#ifndef BOOST_NO_RTTI
+                (*this) << original_exception_type(&typeid(e));
+#endif
+                }
+            };
+
+#ifdef BOOST_NO_RTTI
+        template <class T>
+        boost::exception const *
+        get_boost_exception( T const * )
+            {
+            try
+                {
+                throw;
+                }
+            catch(
+            boost::exception & x )
+                {
+                return &x;
+                }
+            catch(...)
+                {
+                return 0;
+                }
+            }
+#else
+        template <class T>
+        boost::exception const *
+        get_boost_exception( T const * x )
+            {
+            return dynamic_cast<boost::exception const *>(x);
+            }
+#endif
+
+        template <class T>
+        inline
+        exception_ptr
+        current_exception_std_exception( T const & e1 )
+            {
+            if( boost::exception const * e2 = get_boost_exception(&e1) )
+                return boost::copy_exception(current_exception_std_exception_wrapper<T>(e1,*e2));
+            else
+                return boost::copy_exception(current_exception_std_exception_wrapper<T>(e1));
+            }
+
+        inline
+        exception_ptr
+        current_exception_unknown_exception()
+            {
+            return boost::copy_exception(unknown_exception());
+            }
+
+        inline
+        exception_ptr
+        current_exception_unknown_boost_exception( boost::exception const & e )
+            {
+            return boost::copy_exception(unknown_exception(e));
+            }
+
+        inline
+        exception_ptr
+        current_exception_unknown_std_exception( std::exception const & e )
+            {
+            if( boost::exception const * be = get_boost_exception(&e) )
+                return current_exception_unknown_boost_exception(*be);
+            else
+                return boost::copy_exception(unknown_exception(e));
+            }
+
+        inline
+        exception_ptr
+        current_exception_impl()
+            {
+            exception_detail::clone_base const * e=0;
+            switch(
+            exception_detail::clone_current_exception(e) )
+                {
+                case exception_detail::clone_current_exception_result::
+                success:
+                    {
+                    BOOST_ASSERT(e!=0);
+                    return exception_ptr(shared_ptr<exception_detail::clone_base const>(e));
+                    }
+                case exception_detail::clone_current_exception_result::
+                bad_alloc:
+                    {
+                    BOOST_ASSERT(!e);
+                    return exception_detail::exception_ptr_static_exception_object<bad_alloc_>::e;
+                    }
+                case exception_detail::clone_current_exception_result::
+                bad_exception:
+                    {
+                    BOOST_ASSERT(!e);
+                    return exception_detail::exception_ptr_static_exception_object<bad_exception_>::e;
+                    }
+                default:
+                    BOOST_ASSERT(0);
+                case exception_detail::clone_current_exception_result::
+                not_supported:
+                    {
+                    BOOST_ASSERT(!e);
+                    try
+                        {
+                        throw;
+                        }
+                    catch(
+                    exception_detail::clone_base & e )
+                        {
+                        return exception_ptr(shared_ptr<exception_detail::clone_base const>(e.clone()));
+                        }
+                    catch(
+                    std::domain_error & e )
+                        {
+                        return exception_detail::current_exception_std_exception(e);
+                        }
+                    catch(
+                    std::invalid_argument & e )
+                        {
+                        return exception_detail::current_exception_std_exception(e);
+                        }
+                    catch(
+                    std::length_error & e )
+                        {
+                        return exception_detail::current_exception_std_exception(e);
+                        }
+                    catch(
+                    std::out_of_range & e )
+                        {
+                        return exception_detail::current_exception_std_exception(e);
+                        }
+                    catch(
+                    std::logic_error & e )
+                        {
+                        return exception_detail::current_exception_std_exception(e);
+                        }
+                    catch(
+                    std::range_error & e )
+                        {
+                        return exception_detail::current_exception_std_exception(e);
+                        }
+                    catch(
+                    std::overflow_error & e )
+                        {
+                        return exception_detail::current_exception_std_exception(e);
+                        }
+                    catch(
+                    std::underflow_error & e )
+                        {
+                        return exception_detail::current_exception_std_exception(e);
+                        }
+                    catch(
+                    std::ios_base::failure & e )
+                        {
+                        return exception_detail::current_exception_std_exception(e);
+                        }
+                    catch(
+                    std::runtime_error & e )
+                        {
+                        return exception_detail::current_exception_std_exception(e);
+                        }
+                    catch(
+                    std::bad_alloc & e )
+                        {
+                        return exception_detail::current_exception_std_exception(e);
+                        }
+#ifndef BOOST_NO_TYPEID
+                    catch(
+                    std::bad_cast & e )
+                        {
+                        return exception_detail::current_exception_std_exception(e);
+                        }
+                    catch(
+                    std::bad_typeid & e )
+                        {
+                        return exception_detail::current_exception_std_exception(e);
+                        }
+#endif
+                    catch(
+                    std::bad_exception & e )
+                        {
+                        return exception_detail::current_exception_std_exception(e);
+                        }
+                    catch(
+                    std::exception & e )
+                        {
+                        return exception_detail::current_exception_unknown_std_exception(e);
+                        }
+                    catch(
+                    boost::exception & e )
+                        {
+                        return exception_detail::current_exception_unknown_boost_exception(e);
+                        }
+                    catch(
+                    ... )
+                        {
+                        return exception_detail::current_exception_unknown_exception();
+                        }
+                    }
+                }
+            }
+        }
+
+    inline
+    exception_ptr
+    current_exception()
+        {
+        exception_ptr ret;
+        try
+            {
+            ret=exception_detail::current_exception_impl();
+            }
+        catch(
+        std::bad_alloc & )
+            {
+            ret=exception_detail::exception_ptr_static_exception_object<exception_detail::bad_alloc_>::e;
+            }
+        catch(
+        ... )
+            {
+            ret=exception_detail::exception_ptr_static_exception_object<exception_detail::bad_exception_>::e;
+            }
+        BOOST_ASSERT(ret);
+        return ret;
+        }
+
+    BOOST_ATTRIBUTE_NORETURN
+    inline
+    void
+    rethrow_exception( exception_ptr const & p )
+        {
+        BOOST_ASSERT(p);
+        p.ptr_->rethrow();
+        BOOST_ASSERT(0);
+        std::abort();
+        }
+
+    inline
+    std::string
+    diagnostic_information( exception_ptr const & p )
+        {
+        if( p )
+            try
+                {
+                rethrow_exception(p);
+                }
+            catch(
+            ... )
+                {
+                return current_exception_diagnostic_information();
+                }
+        return "<empty>";
+        }
+
+    inline
+    std::string
+    to_string( exception_ptr const & p )
+        {
+        std::string s='\n'+diagnostic_information(p);
+        std::string padding("  ");
+        std::string r;
+        bool f=false;
+        for( std::string::const_iterator i=s.begin(),e=s.end(); i!=e; ++i )
+            {
+            if( f )
+                r+=padding;
+            char c=*i;
+            r+=c;
+            f=(c=='\n');
+            }
+        return r;
+        }
+    }
+
+#if defined(_MSC_VER) && !defined(BOOST_EXCEPTION_ENABLE_WARNINGS)
+#pragma warning(pop)
+#endif
+#endif
diff --git a/boost/exception/detail/is_output_streamable.hpp b/boost/exception/detail/is_output_streamable.hpp
new file mode 100644
index 0000000000..743313c1ec
--- /dev/null
+++ b/boost/exception/detail/is_output_streamable.hpp
@@ -0,0 +1,60 @@
+//Copyright (c) 2006-2009 Emil Dotchevski and Reverge Studios, Inc.
+
+//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)
+
+#ifndef UUID_898984B4076411DD973EDFA055D89593
+#define UUID_898984B4076411DD973EDFA055D89593
+#if defined(__GNUC__) && !defined(BOOST_EXCEPTION_ENABLE_WARNINGS)
+#pragma GCC system_header
+#endif
+#if defined(_MSC_VER) && !defined(BOOST_EXCEPTION_ENABLE_WARNINGS)
+#pragma warning(push,1)
+#endif
+
+#include <ostream>
+
+namespace
+boost
+    {
+    namespace
+    to_string_detail
+        {
+        struct
+        partial_ordering_helper1
+            {
+            template <class CharT,class Traits>
+            partial_ordering_helper1( std::basic_ostream<CharT,Traits> & );
+            };
+
+        struct
+        partial_ordering_helper2
+            {
+            template <class T>
+            partial_ordering_helper2( T const & );
+            };
+
+        char operator<<( partial_ordering_helper1, partial_ordering_helper2 );
+
+        template <class T,class CharT,class Traits>
+        struct
+        is_output_streamable_impl
+            {
+            static std::basic_ostream<CharT,Traits> & f();
+            static T const & g();
+            enum e { value=1!=(sizeof(f()<<g())) };
+            };
+        }
+
+    template <class T, class CharT=char, class Traits=std::char_traits<CharT> >
+    struct
+    is_output_streamable
+        {
+        enum e { value=to_string_detail::is_output_streamable_impl<T,CharT,Traits>::value };
+        };
+    }
+
+#if defined(_MSC_VER) && !defined(BOOST_EXCEPTION_ENABLE_WARNINGS)
+#pragma warning(pop)
+#endif
+#endif
diff --git a/boost/exception/detail/object_hex_dump.hpp b/boost/exception/detail/object_hex_dump.hpp
new file mode 100644
index 0000000000..ccf1bac3f7
--- /dev/null
+++ b/boost/exception/detail/object_hex_dump.hpp
@@ -0,0 +1,50 @@
+//Copyright (c) 2006-2009 Emil Dotchevski and Reverge Studios, Inc.
+
+//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)
+
+#ifndef UUID_6F463AC838DF11DDA3E6909F56D89593
+#define UUID_6F463AC838DF11DDA3E6909F56D89593
+#if defined(__GNUC__) && !defined(BOOST_EXCEPTION_ENABLE_WARNINGS)
+#pragma GCC system_header
+#endif
+#if defined(_MSC_VER) && !defined(BOOST_EXCEPTION_ENABLE_WARNINGS)
+#pragma warning(push,1)
+#endif
+
+#include <boost/exception/detail/type_info.hpp>
+#include <iomanip>
+#include <ios>
+#include <string>
+#include <sstream>
+#include <cstdlib>
+
+namespace
+boost
+    {
+    namespace
+    exception_detail
+        {
+        template <class T>
+        inline
+        std::string
+        object_hex_dump( T const & x, std::size_t max_size=16 )
+            {
+            std::ostringstream s;
+            s << "type: " << type_name<T>() << ", size: " << sizeof(T) << ", dump: ";
+            std::size_t n=sizeof(T)>max_size?max_size:sizeof(T);
+            s.fill('0');
+            s.width(2);
+            unsigned char const * b=reinterpret_cast<unsigned char const *>(&x);
+            s << std::setw(2) << std::hex << (unsigned int)*b;
+            for( unsigned char const * e=b+n; ++b!=e; )
+                s << " " << std::setw(2) << std::hex << (unsigned int)*b;
+            return s.str();
+            }
+        }
+    }
+
+#if defined(_MSC_VER) && !defined(BOOST_EXCEPTION_ENABLE_WARNINGS)
+#pragma warning(pop)
+#endif
+#endif
diff --git a/boost/exception/detail/type_info.hpp b/boost/exception/detail/type_info.hpp
new file mode 100644
index 0000000000..92f846468c
--- /dev/null
+++ b/boost/exception/detail/type_info.hpp
@@ -0,0 +1,83 @@
+//Copyright (c) 2006-2010 Emil Dotchevski and Reverge Studios, Inc.
+
+//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)
+
+#ifndef UUID_C3E1741C754311DDB2834CCA55D89593
+#define UUID_C3E1741C754311DDB2834CCA55D89593
+#if defined(__GNUC__) && !defined(BOOST_EXCEPTION_ENABLE_WARNINGS)
+#pragma GCC system_header
+#endif
+#if defined(_MSC_VER) && !defined(BOOST_EXCEPTION_ENABLE_WARNINGS)
+#pragma warning(push,1)
+#endif
+
+#include <boost/detail/sp_typeinfo.hpp>
+#include <boost/current_function.hpp>
+#include <boost/config.hpp>
+#ifndef BOOST_NO_TYPEID
+#include <boost/units/detail/utility.hpp>
+#endif
+#include <string>
+
+namespace
+boost
+    {
+    template <class T>
+    inline
+    std::string
+    tag_type_name()
+        {
+#ifdef BOOST_NO_TYPEID
+        return BOOST_CURRENT_FUNCTION;
+#else
+        return units::detail::demangle(typeid(T*).name());
+#endif
+        }
+
+    template <class T>
+    inline
+    std::string
+    type_name()
+        {
+#ifdef BOOST_NO_TYPEID
+        return BOOST_CURRENT_FUNCTION;
+#else
+        return units::detail::demangle(typeid(T).name());
+#endif
+        }
+
+    namespace
+    exception_detail
+        {
+        struct
+        type_info_
+            {
+            detail::sp_typeinfo const * type_;
+
+            explicit
+            type_info_( detail::sp_typeinfo const & type ):
+                type_(&type)
+                {
+                }
+
+            friend
+            bool
+            operator<( type_info_ const & a, type_info_ const & b )
+                {
+                return 0!=(a.type_->before(*b.type_));
+                }
+            };
+        }
+    }
+
+#define BOOST_EXCEPTION_STATIC_TYPEID(T) ::boost::exception_detail::type_info_(BOOST_SP_TYPEID(T))
+
+#ifndef BOOST_NO_RTTI
+#define BOOST_EXCEPTION_DYNAMIC_TYPEID(x) ::boost::exception_detail::type_info_(typeid(x))
+#endif
+
+#if defined(_MSC_VER) && !defined(BOOST_EXCEPTION_ENABLE_WARNINGS)
+#pragma warning(pop)
+#endif
+#endif