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#ifndef BOOST_THROW_EXCEPTION_HPP_INCLUDED
#define BOOST_THROW_EXCEPTION_HPP_INCLUDED
// MS compatible compilers support #pragma once
#if defined(_MSC_VER) && (_MSC_VER >= 1020)
# pragma once
#endif
//
// boost/throw_exception.hpp
//
// Copyright (c) 2002, 2018, 2019 Peter Dimov
// Copyright (c) 2008-2009 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)
//
// http://www.boost.org/libs/throw_exception
//
#include <boost/assert/source_location.hpp>
#include <boost/config.hpp>
#include <boost/config/workaround.hpp>
#include <exception>
#if !defined( BOOST_EXCEPTION_DISABLE ) && defined( BOOST_BORLANDC ) && BOOST_WORKAROUND( BOOST_BORLANDC, BOOST_TESTED_AT(0x593) )
# define BOOST_EXCEPTION_DISABLE
#endif
namespace boost
{
// All boost exceptions are required to derive from std::exception,
// to ensure compatibility with BOOST_NO_EXCEPTIONS.
inline void throw_exception_assert_compatibility( std::exception const & ) {}
} // namespace boost
#if defined( BOOST_NO_EXCEPTIONS )
namespace boost
{
BOOST_NORETURN void throw_exception( std::exception const & e ); // user defined
BOOST_NORETURN void throw_exception( std::exception const & e, boost::source_location const & loc ); // user defined
} // namespace boost
#elif defined( BOOST_EXCEPTION_DISABLE )
namespace boost
{
template<class E> BOOST_NORETURN void throw_exception( E const & e )
{
throw_exception_assert_compatibility( e );
throw e;
}
template<class E> BOOST_NORETURN void throw_exception( E const & e, boost::source_location const & )
{
throw_exception_assert_compatibility( e );
throw e;
}
} // namespace boost
#else // !defined( BOOST_NO_EXCEPTIONS ) && !defined( BOOST_EXCEPTION_DISABLE )
#include <boost/exception/exception.hpp>
namespace boost
{
// boost::wrapexcept<E>
namespace detail
{
typedef char (&wrapexcept_s1)[ 1 ];
typedef char (&wrapexcept_s2)[ 2 ];
template<class T> wrapexcept_s1 wrapexcept_is_convertible( T* );
template<class T> wrapexcept_s2 wrapexcept_is_convertible( void* );
template<class E, class B, int I = sizeof( wrapexcept_is_convertible<B>( static_cast< E* >( 0 ) ) ) > struct wrapexcept_add_base;
template<class E, class B> struct wrapexcept_add_base<E, B, 1>
{
struct type {};
};
template<class E, class B> struct wrapexcept_add_base<E, B, 2>
{
typedef B type;
};
} // namespace detail
template<class E> struct BOOST_SYMBOL_VISIBLE wrapexcept:
public detail::wrapexcept_add_base<E, boost::exception_detail::clone_base>::type,
public E,
public detail::wrapexcept_add_base<E, boost::exception>::type
{
private:
struct deleter
{
wrapexcept * p_;
~deleter() { delete p_; }
};
private:
void copy_from( void const* )
{
}
void copy_from( boost::exception const* p )
{
static_cast<boost::exception&>( *this ) = *p;
}
public:
explicit wrapexcept( E const & e ): E( e )
{
copy_from( &e );
}
explicit wrapexcept( E const & e, boost::source_location const & loc ): E( e )
{
copy_from( &e );
set_info( *this, throw_file( loc.file_name() ) );
set_info( *this, throw_line( loc.line() ) );
set_info( *this, throw_function( loc.function_name() ) );
}
virtual boost::exception_detail::clone_base const * clone() const BOOST_OVERRIDE
{
wrapexcept * p = new wrapexcept( *this );
deleter del = { p };
boost::exception_detail::copy_boost_exception( p, this );
del.p_ = 0;
return p;
}
virtual void rethrow() const BOOST_OVERRIDE
{
throw *this;
}
};
// boost::throw_exception
template<class E> BOOST_NORETURN void throw_exception( E const & e )
{
throw_exception_assert_compatibility( e );
throw wrapexcept<E>( e );
}
template<class E> BOOST_NORETURN void throw_exception( E const & e, boost::source_location const & loc )
{
throw_exception_assert_compatibility( e );
throw wrapexcept<E>( e, loc );
}
} // namespace boost
#endif
// BOOST_THROW_EXCEPTION
#define BOOST_THROW_EXCEPTION(x) ::boost::throw_exception(x, BOOST_CURRENT_LOCATION)
#endif // #ifndef BOOST_THROW_EXCEPTION_HPP_INCLUDED
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