Chris@16: //Copyright (c) 2006-2009 Emil Dotchevski and Reverge Studios, Inc.
Chris@16: 
Chris@16: //Distributed under the Boost Software License, Version 1.0. (See accompanying
Chris@16: //file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
Chris@16: 
Chris@16: #ifndef UUID_1A590226753311DD9E4CCF6156D89593
Chris@16: #define UUID_1A590226753311DD9E4CCF6156D89593
Chris@16: #if (__GNUC__*100+__GNUC_MINOR__>301) && !defined(BOOST_EXCEPTION_ENABLE_WARNINGS)
Chris@16: #pragma GCC system_header
Chris@16: #endif
Chris@16: #if defined(_MSC_VER) && !defined(BOOST_EXCEPTION_ENABLE_WARNINGS)
Chris@16: #pragma warning(push,1)
Chris@16: #endif
Chris@16: 
Chris@16: #include <boost/exception/exception.hpp>
Chris@16: #include <boost/exception/detail/error_info_impl.hpp>
Chris@16: #include <boost/exception/detail/type_info.hpp>
Chris@16: #include <boost/shared_ptr.hpp>
Chris@16: 
Chris@16: namespace
Chris@16: boost
Chris@16:     {
Chris@16:     namespace
Chris@16:     exception_detail
Chris@16:         {
Chris@16:         template <class ErrorInfo>
Chris@16:         struct
Chris@16:         get_info
Chris@16:             {
Chris@16:             static
Chris@16:             typename ErrorInfo::value_type *
Chris@16:             get( exception const & x )
Chris@16:                 {
Chris@16:                 if( exception_detail::error_info_container * c=x.data_.get() )
Chris@16:                     if( shared_ptr<exception_detail::error_info_base> eib = c->get(BOOST_EXCEPTION_STATIC_TYPEID(ErrorInfo)) )
Chris@16:                         {
Chris@16: #ifndef BOOST_NO_RTTI
Chris@16:                         BOOST_ASSERT( 0!=dynamic_cast<ErrorInfo *>(eib.get()) );
Chris@16: #endif
Chris@16:                         ErrorInfo * w = static_cast<ErrorInfo *>(eib.get());
Chris@16:                         return &w->value();
Chris@16:                         }
Chris@16:                 return 0;
Chris@16:                 }
Chris@16:             };
Chris@16: 
Chris@16:         template <>
Chris@16:         struct
Chris@16:         get_info<throw_function>
Chris@16:             {
Chris@16:             static
Chris@16:             char const * *
Chris@16:             get( exception const & x )
Chris@16:                 {
Chris@16:                 return x.throw_function_ ? &x.throw_function_ : 0;
Chris@16:                 }
Chris@16:             };
Chris@16: 
Chris@16:         template <>
Chris@16:         struct
Chris@16:         get_info<throw_file>
Chris@16:             {
Chris@16:             static
Chris@16:             char const * *
Chris@16:             get( exception const & x )
Chris@16:                 {
Chris@16:                 return x.throw_file_ ? &x.throw_file_ : 0;
Chris@16:                 }
Chris@16:             };
Chris@16: 
Chris@16:         template <>
Chris@16:         struct
Chris@16:         get_info<throw_line>
Chris@16:             {
Chris@16:             static
Chris@16:             int *
Chris@16:             get( exception const & x )
Chris@16:                 {
Chris@16:                 return x.throw_line_!=-1 ? &x.throw_line_ : 0;
Chris@16:                 }
Chris@16:             };
Chris@16: 
Chris@16:         template <class T,class R>
Chris@16:         struct
Chris@16:         get_error_info_return_type
Chris@16:             {
Chris@16:             typedef R * type;
Chris@16:             };
Chris@16: 
Chris@16:         template <class T,class R>
Chris@16:         struct
Chris@16:         get_error_info_return_type<T const,R>
Chris@16:             {
Chris@16:             typedef R const * type;
Chris@16:             };
Chris@16:         }
Chris@16: 
Chris@16: #ifdef BOOST_NO_RTTI
Chris@16:     template <class ErrorInfo>
Chris@16:     inline
Chris@16:     typename ErrorInfo::value_type const *
Chris@16:     get_error_info( boost::exception const & x )
Chris@16:         {
Chris@16:         return exception_detail::get_info<ErrorInfo>::get(x);
Chris@16:         }
Chris@16:     template <class ErrorInfo>
Chris@16:     inline
Chris@16:     typename ErrorInfo::value_type *
Chris@16:     get_error_info( boost::exception & x )
Chris@16:         {
Chris@16:         return exception_detail::get_info<ErrorInfo>::get(x);
Chris@16:         }
Chris@16: #else
Chris@16:     template <class ErrorInfo,class E>
Chris@16:     inline
Chris@16:     typename exception_detail::get_error_info_return_type<E,typename ErrorInfo::value_type>::type
Chris@16:     get_error_info( E & some_exception )
Chris@16:         {
Chris@16:         if( exception const * x = dynamic_cast<exception const *>(&some_exception) )
Chris@16:             return exception_detail::get_info<ErrorInfo>::get(*x);
Chris@16:         else
Chris@16:             return 0;
Chris@16:         }
Chris@16: #endif
Chris@16:     }
Chris@16: 
Chris@16: #if defined(_MSC_VER) && !defined(BOOST_EXCEPTION_ENABLE_WARNINGS)
Chris@16: #pragma warning(pop)
Chris@16: #endif
Chris@16: #endif