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Move failed_impl into error_category.hpp

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This commit is contained in:
Peter Dimov
2020-08-27 01:36:44 +03:00
parent 72ea1ef846
commit d50db54c44
4 changed files with 37 additions and 42 deletions
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38
include/boost/system/detail/error_category.hpp
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@ -27,21 +27,30 @@ namespace boost
namespace system
{
class error_category;
class error_code;
class error_condition;
std::size_t hash_value( error_code const & ec );
namespace detail
{
BOOST_SYSTEM_CONSTEXPR bool failed_impl( int ev, error_category const & cat );
} // namespace detail
#if ( defined( BOOST_GCC ) && BOOST_GCC >= 40600 ) || defined( BOOST_CLANG )
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wnon-virtual-dtor"
#endif
std::size_t hash_value( error_code const & ec );
class BOOST_SYMBOL_VISIBLE error_category
{
private:
friend std::size_t hash_value( error_code const & ec );
friend BOOST_SYSTEM_CONSTEXPR bool detail::failed_impl( int ev, error_category const & cat );
#if !defined(BOOST_NO_CXX11_DELETED_FUNCTIONS)
public:
@ -97,7 +106,10 @@ public:
virtual std::string message( int ev ) const = 0;
virtual char const * message( int ev, char * buffer, std::size_t len ) const BOOST_NOEXCEPT;
virtual bool failed( int ev ) const BOOST_NOEXCEPT;
virtual bool failed( int ev ) const BOOST_NOEXCEPT
{
return ev != 0;
}
BOOST_SYSTEM_CONSTEXPR bool operator==( const error_category & rhs ) const BOOST_NOEXCEPT
{
@ -140,6 +152,26 @@ public:
#pragma GCC diagnostic pop
#endif
namespace detail
{
static const boost::ulong_long_type generic_category_id = ( boost::ulong_long_type( 0xB2AB117A ) << 32 ) + 0x257EDF0D;
static const boost::ulong_long_type system_category_id = ( boost::ulong_long_type( 0x8FAFD21E ) << 32 ) + 0x25C5E09B;
BOOST_SYSTEM_CONSTEXPR inline bool failed_impl( int ev, error_category const & cat )
{
if( cat.id_ == system_category_id || cat.id_ == generic_category_id )
{
return ev != 0;
}
else
{
return cat.failed( ev );
}
}
} // namespace detail
} // namespace system
} // namespace boost

4
include/boost/system/detail/generic_category.hpp
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@ -36,10 +36,8 @@ class BOOST_SYMBOL_VISIBLE generic_error_category: public error_category
{
public:
// clang++ 3.8 and below: initialization of const object
// requires a user-provided default constructor
BOOST_SYSTEM_CONSTEXPR generic_error_category() BOOST_NOEXCEPT:
error_category( ( boost::ulong_long_type( 0xB2AB117A ) << 32 ) + 0x257EDF0D )
error_category( detail::generic_category_id )
{
}

2
include/boost/system/detail/system_category.hpp
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@ -37,7 +37,7 @@ 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 )
error_category( detail::system_category_id )
{
}

35
include/boost/system/error_code.hpp
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@ -109,36 +109,6 @@ static const error_category & native_ecat BOOST_ATTRIBUTE_UNUSED = system_catego
#endif
namespace detail
{
// failed_impl
#if !defined(BOOST_SYSTEM_HAS_CONSTEXPR)
inline bool failed_impl( int ev, error_category const & cat )
{
return cat.failed( ev );
}
#else
BOOST_SYSTEM_CONSTEXPR inline bool failed_impl( int ev, error_category const & cat )
{
if( cat == system_category() || cat == generic_category() )
{
return ev != 0;
}
else
{
return cat.failed( ev );
}
}
#endif
} // namespace detail
// class error_condition
// error_conditions are portable, error_codes are system or library specific
@ -602,11 +572,6 @@ inline char const * error_category::message( int ev, char * buffer, std::size_t
#endif
}
inline bool error_category::failed( int ev ) const BOOST_NOEXCEPT
{
return ev != 0;
}
} // namespace system
} // namespace boost