unioil-loyalty-rn-app/ios/Pods/Flipper-Boost-iOSX/boost/leaf/exception.hpp

169 lines
5.3 KiB
C++

#ifndef BOOST_LEAF_EXCEPTION_HPP_INCLUDED
#define BOOST_LEAF_EXCEPTION_HPP_INCLUDED
/// Copyright (c) 2018-2021 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 BOOST_LEAF_ENABLE_WARNINGS ///
# if defined(_MSC_VER) ///
# pragma warning(push,1) ///
# elif defined(__clang__) ///
# pragma clang system_header ///
# elif (__GNUC__*100+__GNUC_MINOR__>301) ///
# pragma GCC system_header ///
# endif ///
#endif ///
#include <boost/leaf/error.hpp>
#include <exception>
#define BOOST_LEAF_EXCEPTION ::boost::leaf::leaf_detail::inject_loc{__FILE__,__LINE__,__FUNCTION__}+::boost::leaf::exception
#define BOOST_LEAF_THROW_EXCEPTION ::boost::leaf::leaf_detail::throw_with_loc{__FILE__,__LINE__,__FUNCTION__}+::boost::leaf::exception
////////////////////////////////////////
namespace boost { namespace leaf {
namespace leaf_detail
{
struct throw_with_loc
{
char const * const file;
int const line;
char const * const fn;
template <class Ex>
[[noreturn]] friend void operator+( throw_with_loc loc, Ex const & ex )
{
ex.load_source_location_(loc.file, loc.line, loc.fn);
::boost::leaf::throw_exception(ex);
}
};
}
} }
////////////////////////////////////////
namespace boost { namespace leaf {
namespace leaf_detail
{
inline void enforce_std_exception( std::exception const & ) noexcept { }
class BOOST_LEAF_SYMBOL_VISIBLE exception_base
{
std::shared_ptr<void const> auto_id_bump_;
public:
virtual error_id get_error_id() const noexcept = 0;
protected:
exception_base():
auto_id_bump_(0, [](void const *) { (void) new_id(); })
{
}
~exception_base() noexcept { }
};
template <class Ex>
class BOOST_LEAF_SYMBOL_VISIBLE exception:
public Ex,
public exception_base,
public error_id
{
error_id get_error_id() const noexcept final override
{
return *this;
}
public:
exception( exception const & ) = default;
exception( exception && ) = default;
BOOST_LEAF_CONSTEXPR exception( error_id id, Ex && ex ) noexcept:
Ex(std::move(ex)),
error_id(id)
{
enforce_std_exception(*this);
}
explicit BOOST_LEAF_CONSTEXPR exception( error_id id ) noexcept:
error_id(id)
{
enforce_std_exception(*this);
}
};
template <class... T>
struct at_least_one_derives_from_std_exception;
template <>
struct at_least_one_derives_from_std_exception<>: std::false_type { };
template <class T, class... Rest>
struct at_least_one_derives_from_std_exception<T, Rest...>
{
constexpr static const bool value = std::is_base_of<std::exception,T>::value || at_least_one_derives_from_std_exception<Rest...>::value;
};
}
template <class Ex, class... E>
inline
typename std::enable_if<std::is_base_of<std::exception,Ex>::value, leaf_detail::exception<Ex>>::type
exception( error_id err, Ex && ex, E && ... e ) noexcept
{
static_assert(!leaf_detail::at_least_one_derives_from_std_exception<E...>::value, "Error objects passed to leaf::exception may not derive from std::exception");
return leaf_detail::exception<Ex>( err.load(std::forward<E>(e)...), std::forward<Ex>(ex) );
}
template <class E1, class... E>
inline
typename std::enable_if<!std::is_base_of<std::exception,E1>::value, leaf_detail::exception<std::exception>>::type
exception( error_id err, E1 && car, E && ... cdr ) noexcept
{
static_assert(!leaf_detail::at_least_one_derives_from_std_exception<E...>::value, "Error objects passed to leaf::exception may not derive from std::exception");
return leaf_detail::exception<std::exception>( err.load(std::forward<E1>(car), std::forward<E>(cdr)...) );
}
inline leaf_detail::exception<std::exception> exception( error_id err ) noexcept
{
return leaf_detail::exception<std::exception>(err);
}
template <class Ex, class... E>
inline
typename std::enable_if<std::is_base_of<std::exception,Ex>::value, leaf_detail::exception<Ex>>::type
exception( Ex && ex, E && ... e ) noexcept
{
static_assert(!leaf_detail::at_least_one_derives_from_std_exception<E...>::value, "Error objects passed to leaf::exception may not derive from std::exception");
return leaf_detail::exception<Ex>( new_error().load(std::forward<E>(e)...), std::forward<Ex>(ex) );
}
template <class E1, class... E>
inline
typename std::enable_if<!std::is_base_of<std::exception,E1>::value, leaf_detail::exception<std::exception>>::type
exception( E1 && car, E && ... cdr ) noexcept
{
static_assert(!leaf_detail::at_least_one_derives_from_std_exception<E...>::value, "Error objects passed to leaf::exception may not derive from std::exception");
return leaf_detail::exception<std::exception>( new_error().load(std::forward<E1>(car), std::forward<E>(cdr)...) );
}
inline leaf_detail::exception<std::exception> exception() noexcept
{
return leaf_detail::exception<std::exception>(leaf::new_error());
}
} }
#if defined(_MSC_VER) && !defined(BOOST_LEAF_ENABLE_WARNINGS) ///
#pragma warning(pop) ///
#endif ///
#endif