-//Copyright (c) 2006-2008 Emil Dotchevski and Reverge Studios, Inc.
+//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_0552D49838DD11DD90146B8956D89593
#define UUID_0552D49838DD11DD90146B8956D89593
-#include <boost/exception/exception.hpp>
+#include <boost/config.hpp>
+#include <boost/exception/get_error_info.hpp>
+#include <boost/utility/enable_if.hpp>
#include <exception>
+#include <sstream>
#include <string>
+namespace
+boost
+ {
+ namespace
+ exception_detail
+ {
+ template <class T>
+ struct
+ enable_boost_exception_overload
+ {
+ struct yes { char q[100]; };
+ typedef char no;
+ static yes check(exception const *);
+ static no check(...);
+ enum e { value=sizeof(check((T*)0))==sizeof(yes) };
+ };
+
+ template <class T>
+ struct
+ enable_std_exception_overload
+ {
+ struct yes { char q[100]; };
+ typedef char no;
+ static yes check(std::exception const *);
+ static no check(...);
+ enum e { value = !enable_boost_exception_overload<T>::value && sizeof(check((T*)0))==sizeof(yes) };
+ };
+
+#ifndef BOOST_NO_RTTI
+ template <class T>
+ inline
+ std::string
+ dynamic_exception_type( T const & x )
+ {
+ return std::string("Dynamic exception type: ") + BOOST_EXCEPTION_DYNAMIC_TYPEID(x).name();
+ }
+#endif
+
+ inline
+ char const *
+ get_diagnostic_information( exception const & x )
+ {
+ if( error_info_container * c=x.data_.get() )
+#ifndef BOOST_NO_EXCEPTIONS
+ try
+ {
+#endif
+ return c->diagnostic_information();
+#ifndef BOOST_NO_EXCEPTIONS
+ }
+ catch(...)
+ {
+ }
+#endif
+ return 0;
+ }
+
+ inline
+ std::string
+ boost_diagnostic_information( exception const & x )
+ {
+ std::ostringstream tmp;
+ if( char const * const * f=get_error_info<throw_file>(x) )
+ {
+ tmp << *f;
+ if( int const * l=get_error_info<throw_line>(x) )
+ tmp << '(' << *l << "): ";
+ }
+ tmp << "Throw in function ";
+ if( char const * const * fn=get_error_info<throw_function>(x) )
+ tmp << *fn;
+ else
+ tmp << "(unknown)";
+ tmp << std::endl;
+#ifndef BOOST_NO_RTTI
+ tmp << dynamic_exception_type(x) << std::endl;
+ if( std::exception const * e=dynamic_cast<std::exception const *>(&x) )
+ tmp << "std::exception::what: " << e->what() << std::endl;
+#endif
+ if( char const * s=exception_detail::get_diagnostic_information(x) )
+ if( *s )
+ tmp << s;
+ return tmp.str();
+ }
+
+ inline
+ std::string
+ std_diagnostic_information( std::exception const & x )
+ {
+ std::ostringstream tmp;
+#ifndef BOOST_NO_RTTI
+ if( exception const * e=dynamic_cast<exception const *>(&x) )
+ return boost_diagnostic_information(*e);
+ tmp << dynamic_exception_type(x) << std::endl;
+#endif
+ tmp << "std::exception::what: " << x.what() << std::endl;
+ return tmp.str();
+ }
+ }
+
+ template <class T>
+ inline
+ typename enable_if<exception_detail::enable_boost_exception_overload<T>,std::string>::type
+ diagnostic_information( T const & e )
+ {
+ return exception_detail::boost_diagnostic_information(e);
+ }
+
+ template <class T>
+ inline
+ typename enable_if<exception_detail::enable_std_exception_overload<T>,std::string>::type
+ diagnostic_information( T const & e )
+ {
+ return exception_detail::std_diagnostic_information(e);
+ }
+ }
+
+#ifndef BOOST_NO_EXCEPTIONS
+#include <boost/exception/current_exception_cast.hpp>
namespace
boost
{
inline
std::string
- diagnostic_information( std::exception const & x )
+ current_exception_diagnostic_information()
{
- if( exception const * be = dynamic_cast<exception const *>(&x) )
- return be->diagnostic_information();
+ if( boost::exception const * e=current_exception_cast<boost::exception const>() )
+ return diagnostic_information(*e);
+ else if( std::exception const * e=current_exception_cast<std::exception const>() )
+ return diagnostic_information(*e);
else
- return std::string("[ what: ") + x.what() + ", type: " + typeid(x).name() + " ]";
+ return "No diagnostic information available.";
}
- }
+ }
+#endif
#endif