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//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/shared_ptr.hpp>
#include <stdexcept>
#include <new>
#include <ios>
namespace
boost
{
typedef shared_ptr<exception_detail::clone_base const> exception_ptr;
exception_ptr current_exception();
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
{
};
template <int Dummy>
exception_ptr
get_bad_alloc()
{
bad_alloc_ ba;
exception_detail::clone_impl<bad_alloc_> c(ba);
c <<
throw_function(BOOST_CURRENT_FUNCTION) <<
throw_file(__FILE__) <<
throw_line(__LINE__);
static exception_ptr ep(new exception_detail::clone_impl<bad_alloc_>(c));
return ep;
}
template <int Dummy>
struct
exception_ptr_bad_alloc
{
static exception_ptr const e;
};
template <int Dummy>
exception_ptr const
exception_ptr_bad_alloc<Dummy>::
e = get_bad_alloc<Dummy>();
}
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
}
};
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()
{
try
{
throw;
}
catch(
exception_detail::clone_base & e )
{
return exception_ptr(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;
BOOST_ASSERT(!ret);
try
{
ret=exception_detail::current_exception_impl();
}
catch(
std::bad_alloc & )
{
ret=exception_detail::exception_ptr_bad_alloc<42>::e;
}
catch(
... )
{
try
{
ret=exception_detail::current_exception_std_exception(std::bad_exception());
}
catch(
std::bad_alloc & )
{
ret=exception_detail::exception_ptr_bad_alloc<42>::e;
}
catch(
... )
{
BOOST_ASSERT(0);
}
}
BOOST_ASSERT(ret);
return ret;
}
inline
void
rethrow_exception( exception_ptr const & p )
{
BOOST_ASSERT(p);
p->rethrow();
}
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
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