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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, 2018-2022 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/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
#endif
namespace boost
{
#if defined( BOOST_NO_EXCEPTIONS )
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
#endif
// 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, std::size_t I = sizeof( wrapexcept_is_convertible<B>( static_cast< E* >( BOOST_NULLPTR ) ) ) > 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( static_cast<int>( loc.line() ) ) );
set_info( *this, throw_function( loc.function_name() ) );
set_info( *this, throw_column( static_cast<int>( loc.column() ) ) );
}
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_ = BOOST_NULLPTR;
return p;
}
virtual void rethrow() const BOOST_OVERRIDE
{
#if defined( BOOST_NO_EXCEPTIONS )
boost::throw_exception( *this );
#else
throw *this;
#endif
}
};
// 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 & ) {}
// boost::throw_exception
#if !defined( BOOST_NO_EXCEPTIONS )
#if defined( BOOST_EXCEPTION_DISABLE )
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;
}
#else // defined( BOOST_EXCEPTION_DISABLE )
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 );
}
#endif // defined( BOOST_EXCEPTION_DISABLE )
#endif // !defined( BOOST_NO_EXCEPTIONS )
} // namespace boost
// BOOST_THROW_EXCEPTION
#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)
(void)e;
return boost::source_location();
#else
if( detail::throw_location const* pl = dynamic_cast< detail::throw_location const* >( &e ) )
{
return pl->location_;
}
else if( boost::exception const* px = dynamic_cast< boost::exception const* >( &e ) )
{
return exception_detail::get_exception_throw_location( *px );
}
else
{
return boost::source_location();
}
#endif
}
} // namespace boost
#endif // #ifndef BOOST_THROW_EXCEPTION_HPP_INCLUDED
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