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Add boost::throw_with_location

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Peter Dimov
2022-02-10 20:02:30 +02:00
parent 7b314a2184
commit c5dfcc3dd4
9 changed files with 316 additions and 5 deletions
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91
include/boost/throw_exception.hpp
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@ -7,10 +7,9 @@
# pragma once
#endif
//
// boost/throw_exception.hpp
//
// Copyright (c) 2002, 2018, 2019 Peter Dimov
// Copyright (c) 2002, 2018-2022 Peter Dimov
// Copyright (c) 2008-2009 Emil Dotchevski and Reverge Studios, Inc.
//
// Distributed under the Boost Software License, Version 1.0. (See
@ -18,14 +17,17 @@
// http://www.boost.org/LICENSE_1_0.txt)
//
// http://www.boost.org/libs/throw_exception
//
#include <boost/exception/exception.hpp>
#include <boost/assert/source_location.hpp>
#include <boost/config.hpp>
#include <boost/config/workaround.hpp>
#include <exception>
#include <utility>
#include <cstddef>
#if !defined(BOOST_NO_CXX11_HDR_TYPE_TRAITS)
#include <type_traits>
#endif
#if !defined( BOOST_EXCEPTION_DISABLE ) && defined( BOOST_BORLANDC ) && BOOST_WORKAROUND( BOOST_BORLANDC, BOOST_TESTED_AT(0x593) )
# define BOOST_EXCEPTION_DISABLE
@ -178,4 +180,87 @@ template<class E> BOOST_NORETURN void throw_exception( E const & e, boost::sourc
#define BOOST_THROW_EXCEPTION(x) ::boost::throw_exception(x, BOOST_CURRENT_LOCATION)
namespace boost
{
// throw_with_location
namespace detail
{
struct BOOST_SYMBOL_VISIBLE throw_location
{
boost::source_location location_;
explicit throw_location( boost::source_location const & loc ): location_( loc )
{
}
};
template<class E> class BOOST_SYMBOL_VISIBLE with_throw_location: public E, public throw_location
{
public:
with_throw_location( E const & e, boost::source_location const & loc ): E( e ), throw_location( loc )
{
}
#if !defined(BOOST_NO_CXX11_RVALUE_REFERENCES)
with_throw_location( E && e, boost::source_location const & loc ): E( std::move( e ) ), throw_location( loc )
{
}
#endif
};
} // namespace detail
#if !defined(BOOST_NO_EXCEPTIONS)
#if !defined(BOOST_NO_CXX11_RVALUE_REFERENCES) && !defined(BOOST_NO_CXX11_HDR_TYPE_TRAITS)
template<class E> BOOST_NORETURN void throw_with_location( E && e, boost::source_location const & loc = BOOST_CURRENT_LOCATION )
{
throw_exception_assert_compatibility( e );
throw detail::with_throw_location<typename std::decay<E>::type>( std::forward<E>( e ), loc );
}
#else
template<class E> BOOST_NORETURN void throw_with_location( E const & e, boost::source_location const & loc = BOOST_CURRENT_LOCATION )
{
throw_exception_assert_compatibility( e );
throw detail::with_throw_location<E>( e, loc );
}
#endif
#else
template<class E> BOOST_NORETURN void throw_with_location( E const & e, boost::source_location const & loc = BOOST_CURRENT_LOCATION )
{
boost::throw_exception( e, loc );
}
#endif
// get_throw_location
template<class E> boost::source_location get_throw_location( E const & e )
{
#if defined(BOOST_NO_RTTI)
return boost::source_location();
#else
detail::throw_location const* p = dynamic_cast< detail::throw_location const* >( &e );
return p? p->location_: boost::source_location();
#endif
}
} // namespace boost
#endif // #ifndef BOOST_THROW_EXCEPTION_HPP_INCLUDED