forked from boostorg/exception
simplified further
[SVN r48485]
This commit is contained in:
@ -1,75 +0,0 @@
|
||||
//Copyright (c) 2006-2008 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_0C5D492E909711DCB658AD4556D89593
|
||||
#define UUID_0C5D492E909711DCB658AD4556D89593
|
||||
|
||||
#include <boost/exception/exception.hpp>
|
||||
|
||||
namespace
|
||||
boost
|
||||
{
|
||||
namespace
|
||||
exception_detail
|
||||
{
|
||||
template <class T>
|
||||
struct
|
||||
error_info_injector:
|
||||
public T,
|
||||
public exception
|
||||
{
|
||||
explicit
|
||||
error_info_injector( T const & x ):
|
||||
T(x)
|
||||
{
|
||||
}
|
||||
|
||||
~error_info_injector() throw()
|
||||
{
|
||||
}
|
||||
};
|
||||
|
||||
struct large_size { char c[256]; };
|
||||
large_size dispatch( exception * );
|
||||
|
||||
struct small_size { };
|
||||
small_size dispatch( void * );
|
||||
|
||||
template <class,int>
|
||||
struct enable_error_info_helper;
|
||||
|
||||
template <class T>
|
||||
struct
|
||||
enable_error_info_helper<T,sizeof(large_size)>
|
||||
{
|
||||
typedef T type;
|
||||
};
|
||||
|
||||
template <class T>
|
||||
struct
|
||||
enable_error_info_helper<T,sizeof(small_size)>
|
||||
{
|
||||
typedef error_info_injector<T> type;
|
||||
};
|
||||
|
||||
template <class T>
|
||||
struct
|
||||
enable_error_info_return_type
|
||||
{
|
||||
typedef typename enable_error_info_helper<T,sizeof(dispatch((T*)0))>::type type;
|
||||
};
|
||||
}
|
||||
|
||||
template <class T>
|
||||
inline
|
||||
typename
|
||||
exception_detail::enable_error_info_return_type<T>::type
|
||||
enable_error_info( T const & x )
|
||||
{
|
||||
return typename exception_detail::enable_error_info_return_type<T>::type(x);
|
||||
}
|
||||
}
|
||||
|
||||
#endif
|
Reference in New Issue
Block a user