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Merging from trunk: new function diagnostic_information_what, and mutable error info access.

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[SVN r56477]
This commit is contained in:
Emil Dotchevski
2009-09-29 20:38:11 +00:00
parent d32fff4fb2
commit 6434a2031c
32 changed files with 9991 additions and 9480 deletions
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48
include/boost/exception/diagnostic_information.hpp
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@ -44,14 +44,14 @@ boost
inline
char const *
get_diagnostic_information( exception const & x )
get_diagnostic_information( exception const & x, char const * header )
{
if( error_info_container * c=x.data_.get() )
#ifndef BOOST_NO_EXCEPTIONS
try
{
#endif
return c->diagnostic_information();
return c->diagnostic_information(header);
#ifndef BOOST_NO_EXCEPTIONS
}
catch(...)
@ -63,7 +63,7 @@ boost
inline
std::string
diagnostic_information_impl( boost::exception const * be, std::exception const * se )
diagnostic_information_impl( boost::exception const * be, std::exception const * se, bool with_what )
{
BOOST_ASSERT(be||se);
#ifndef BOOST_NO_RTTI
@ -72,6 +72,13 @@ boost
if( !be )
be = dynamic_cast<boost::exception const *>(se);
#endif
char const * wh=0;
if( with_what && se )
{
wh=se->what();
if( be && exception_detail::get_diagnostic_information(*be,0)==wh )
return wh;
}
std::ostringstream tmp;
if( be )
{
@ -92,12 +99,12 @@ boost
tmp << std::string("Dynamic exception type: ") <<
(be?BOOST_EXCEPTION_DYNAMIC_TYPEID(*be):BOOST_EXCEPTION_DYNAMIC_TYPEID(*se)).name() << '\n';
#endif
if( se )
tmp << "std::exception::what: " << se->what() << '\n';
if( with_what && se )
tmp << "std::exception::what: " << wh << '\n';
if( be )
if( char const * s=exception_detail::get_diagnostic_information(*be) )
if( char const * s=exception_detail::get_diagnostic_information(*be,tmp.str().c_str()) )
if( *s )
tmp << s;
return s;
return tmp.str();
}
}
@ -107,7 +114,7 @@ boost
typename enable_if<exception_detail::enable_boost_exception_overload<T>,std::string>::type
diagnostic_information( T const & e )
{
return exception_detail::diagnostic_information_impl(&e,0);
return exception_detail::diagnostic_information_impl(&e,0,true);
}
template <class T>
@ -115,7 +122,28 @@ boost
typename enable_if<exception_detail::enable_std_exception_overload<T>,std::string>::type
diagnostic_information( T const & e )
{
return exception_detail::diagnostic_information_impl(0,&e);
return exception_detail::diagnostic_information_impl(0,&e,true);
}
inline
char const *
diagnostic_information_what( exception const & e ) throw()
{
char const * w=0;
#ifndef BOOST_NO_EXCEPTIONS
try
{
#endif
(void) exception_detail::diagnostic_information_impl(&e,0,false);
return exception_detail::get_diagnostic_information(e,0);
#ifndef BOOST_NO_EXCEPTIONS
}
catch(
... )
{
}
#endif
return w;
}
}
@ -131,7 +159,7 @@ boost
boost::exception const * be=current_exception_cast<boost::exception const>();
std::exception const * se=current_exception_cast<std::exception const>();
if( be || se )
return exception_detail::diagnostic_information_impl(be,se);
return exception_detail::diagnostic_information_impl(be,se,true);
else
return "No diagnostic information available.";
}