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Extract system_error_category into its own header

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This commit is contained in:
Peter Dimov
2020-08-27 01:15:28 +03:00
parent 3047581c75
commit d581eb203e
2 changed files with 66 additions and 36 deletions
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65
include/boost/system/detail/system_category.hpp Normal file
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@ -0,0 +1,65 @@
#ifndef BOOST_SYSTEM_DETAIL_SYSTEM_CATEGORY_HPP_INCLUDED
#define BOOST_SYSTEM_DETAIL_SYSTEM_CATEGORY_HPP_INCLUDED
// Copyright Beman Dawes 2006, 2007
// Copyright Christoper Kohlhoff 2007
// Copyright Peter Dimov 2017, 2018
//
// 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)
//
// See library home page at http://www.boost.org/libs/system
#include <boost/system/detail/error_category.hpp>
#include <boost/system/detail/config.hpp>
#include <boost/cstdint.hpp>
#include <boost/config.hpp>
#include <cstring>
namespace boost
{
namespace system
{
namespace detail
{
// system_error_category
#if ( defined( BOOST_GCC ) && BOOST_GCC >= 40600 ) || defined( BOOST_CLANG )
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wnon-virtual-dtor"
#endif
class BOOST_SYMBOL_VISIBLE system_error_category: public error_category
{
public:
BOOST_SYSTEM_CONSTEXPR system_error_category() BOOST_NOEXCEPT:
error_category( ( boost::ulong_long_type( 0x8FAFD21E ) << 32 ) + 0x25C5E09B )
{
}
const char * name() const BOOST_NOEXCEPT BOOST_OVERRIDE
{
return "system";
}
error_condition default_error_condition( int ev ) const BOOST_NOEXCEPT BOOST_OVERRIDE;
std::string message( int ev ) const BOOST_OVERRIDE;
char const * message( int ev, char * buffer, std::size_t len ) const BOOST_NOEXCEPT BOOST_OVERRIDE;
};
#if ( defined( BOOST_GCC ) && BOOST_GCC >= 40600 ) || defined( BOOST_CLANG )
#pragma GCC diagnostic pop
#endif
} // namespace detail
} // namespace system
} // namespace boost
#endif // #ifndef BOOST_SYSTEM_DETAIL_SYSTEM_CATEGORY_HPP_INCLUDED

37
include/boost/system/error_code.hpp
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@ -15,6 +15,7 @@
#include <boost/system/detail/errc.hpp> #include <boost/system/detail/errc.hpp>
#include <boost/system/detail/error_category.hpp> #include <boost/system/detail/error_category.hpp>
#include <boost/system/detail/generic_category.hpp> #include <boost/system/detail/generic_category.hpp>
#include <boost/system/detail/system_category.hpp>
#include <boost/system/api_config.hpp> #include <boost/system/api_config.hpp>
#include <boost/system/detail/config.hpp> #include <boost/system/detail/config.hpp>
#include <boost/cstdint.hpp> #include <boost/cstdint.hpp>
@ -42,42 +43,6 @@ class error_code; // values defined by the operating system
class error_condition; // portable generic values defined below, but ultimately class error_condition; // portable generic values defined below, but ultimately
// based on the POSIX standard // based on the POSIX standard
// predefined error categories
#if ( defined( BOOST_GCC ) && BOOST_GCC >= 40600 ) || defined( BOOST_CLANG )
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wnon-virtual-dtor"
#endif
namespace detail
{
class BOOST_SYMBOL_VISIBLE system_error_category: public error_category
{
public:
BOOST_SYSTEM_CONSTEXPR system_error_category() BOOST_NOEXCEPT:
error_category( ( boost::ulong_long_type( 0x8FAFD21E ) << 32 ) + 0x25C5E09B )
{
}
const char * name() const BOOST_NOEXCEPT BOOST_OVERRIDE
{
return "system";
}
error_condition default_error_condition( int ev ) const BOOST_NOEXCEPT BOOST_OVERRIDE;
std::string message( int ev ) const BOOST_OVERRIDE;
char const * message( int ev, char * buffer, std::size_t len ) const BOOST_NOEXCEPT BOOST_OVERRIDE;
};
} // namespace detail
#if ( defined( BOOST_GCC ) && BOOST_GCC >= 40600 ) || defined( BOOST_CLANG )
#pragma GCC diagnostic pop
#endif
// generic_category(), system_category() // generic_category(), system_category()
#if defined(BOOST_SYSTEM_HAS_CONSTEXPR) #if defined(BOOST_SYSTEM_HAS_CONSTEXPR)