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ircd::util: Move these macros up the file out of obscurity.

This commit is contained in:
Jason Volk 2017-09-22 13:58:03 -07:00
parent b207b9e909
commit 9acdb31349

View file

@ -69,6 +69,21 @@ struct NAME \
#define IRCD_STRONG_T(TYPE) \
IRCD_STRONG_TYPEDEF(TYPE, IRCD_UNIQUE(strong_t))
/* Output the sizeof a structure at compile time.
* This stops the compiler with an error (good) containing the size of the target
* in the message.
*
* example: struct foo {}; IRCD_TEST_SIZEOF(foo)
*/
template<size_t SIZE>
struct _TEST_SIZEOF_;
#define IRCD_TEST_SIZEOF(name) \
ircd::util::_TEST_SIZEOF_<sizeof(name)> _test_;
// for complex static initialization (try to avoid this though)
enum class init_priority
{
@ -80,6 +95,73 @@ enum class init_priority
__attribute__((init_priority(int(ircd::init_priority::name))))
///
/// C++14 user defined literals
///
/// These are very useful for dealing with space. Simply write 8_MiB and it's
/// as if a macro turned that into (8 * 1024 * 1024) at compile time.
///
/// (Internal) Defines a unit literal with an unsigned long long basis.
///
#define IRCD_UNIT_LITERAL_UL(name, morphism) \
constexpr auto \
operator"" _ ## name(const unsigned long long val) \
{ \
return (morphism); \
}
/// (Internal) Defines a unit literal with a signed long long basis
///
#define IRCD_UNIT_LITERAL_LL(name, morphism) \
constexpr auto \
operator"" _ ## name(const long long val) \
{ \
return (morphism); \
}
/// (Internal) Defines a unit literal with a long double basis
///
#define IRCD_UNIT_LITERAL_LD(name, morphism) \
constexpr auto \
operator"" _ ## name(const long double val) \
{ \
return (morphism); \
}
// IEC unit literals
IRCD_UNIT_LITERAL_UL( B, val )
IRCD_UNIT_LITERAL_UL( KiB, val * 1024LL )
IRCD_UNIT_LITERAL_UL( MiB, val * 1024LL * 1024LL )
IRCD_UNIT_LITERAL_UL( GiB, val * 1024LL * 1024LL * 1024LL )
IRCD_UNIT_LITERAL_UL( TiB, val * 1024LL * 1024LL * 1024LL * 1024LL )
IRCD_UNIT_LITERAL_UL( PiB, val * 1024LL * 1024LL * 1024LL * 1024LL * 1024LL )
IRCD_UNIT_LITERAL_UL( EiB, val * 1024LL * 1024LL * 1024LL * 1024LL * 1024LL * 1024LL )
IRCD_UNIT_LITERAL_LD( B, val )
IRCD_UNIT_LITERAL_LD( KiB, val * 1024.0L )
IRCD_UNIT_LITERAL_LD( MiB, val * 1024.0L * 1024.0L )
IRCD_UNIT_LITERAL_LD( GiB, val * 1024.0L * 1024.0L * 1024.0L )
IRCD_UNIT_LITERAL_LD( TiB, val * 1024.0L * 1024.0L * 1024.0L * 1024.0L )
IRCD_UNIT_LITERAL_LD( PiB, val * 1024.0L * 1024.0L * 1024.0L * 1024.0L * 1024.0L )
IRCD_UNIT_LITERAL_LD( EiB, val * 1024.0L * 1024.0L * 1024.0L * 1024.0L * 1024.0L * 1024.0L )
// SI unit literals
IRCD_UNIT_LITERAL_UL( KB, val * 1000LL )
IRCD_UNIT_LITERAL_UL( MB, val * 1000LL * 1000LL )
IRCD_UNIT_LITERAL_UL( GB, val * 1000LL * 1000LL * 1000LL )
IRCD_UNIT_LITERAL_UL( TB, val * 1000LL * 1000LL * 1000LL * 1000LL )
IRCD_UNIT_LITERAL_UL( PB, val * 1000LL * 1000LL * 1000LL * 1000LL * 1000LL )
IRCD_UNIT_LITERAL_UL( EB, val * 1000LL * 1000LL * 1000LL * 1000LL * 1000LL * 1000LL )
IRCD_UNIT_LITERAL_LD( KB, val * 1000.0L )
IRCD_UNIT_LITERAL_LD( MB, val * 1000.0L * 1000.0L )
IRCD_UNIT_LITERAL_LD( GB, val * 1000.0L * 1000.0L * 1000.0L )
IRCD_UNIT_LITERAL_LD( TB, val * 1000.0L * 1000.0L * 1000.0L * 1000.0L )
IRCD_UNIT_LITERAL_LD( PB, val * 1000.0L * 1000.0L * 1000.0L * 1000.0L * 1000.0L )
IRCD_UNIT_LITERAL_LD( EB, val * 1000.0L * 1000.0L * 1000.0L * 1000.0L * 1000.0L * 1000.0L )
///
/// Fundamental scope-unwind utilities establishing actions during destruction
///
@ -635,74 +717,6 @@ string(const uint8_t *const &buf, const size_t &size)
}
/***
* C++14 user defined literals
*
* These are very useful for dealing with space. Simply write 8_MiB and it's
* as if a macro turned that into (8 * 1024 * 1024) at compile time.
*/
#define IRCD_UNIT_LITERAL_LL(name, morphism) \
constexpr auto \
operator"" _ ## name(const unsigned long long val) \
{ \
return (morphism); \
}
#define IRCD_UNIT_LITERAL_LD(name, morphism) \
constexpr auto \
operator"" _ ## name(const long double val) \
{ \
return (morphism); \
}
// IEC unit literals
IRCD_UNIT_LITERAL_LL( B, val )
IRCD_UNIT_LITERAL_LL( KiB, val * 1024LL )
IRCD_UNIT_LITERAL_LL( MiB, val * 1024LL * 1024LL )
IRCD_UNIT_LITERAL_LL( GiB, val * 1024LL * 1024LL * 1024LL )
IRCD_UNIT_LITERAL_LL( TiB, val * 1024LL * 1024LL * 1024LL * 1024LL )
IRCD_UNIT_LITERAL_LL( PiB, val * 1024LL * 1024LL * 1024LL * 1024LL * 1024LL )
IRCD_UNIT_LITERAL_LL( EiB, val * 1024LL * 1024LL * 1024LL * 1024LL * 1024LL * 1024LL )
IRCD_UNIT_LITERAL_LD( B, val )
IRCD_UNIT_LITERAL_LD( KiB, val * 1024.0L )
IRCD_UNIT_LITERAL_LD( MiB, val * 1024.0L * 1024.0L )
IRCD_UNIT_LITERAL_LD( GiB, val * 1024.0L * 1024.0L * 1024.0L )
IRCD_UNIT_LITERAL_LD( TiB, val * 1024.0L * 1024.0L * 1024.0L * 1024.0L )
IRCD_UNIT_LITERAL_LD( PiB, val * 1024.0L * 1024.0L * 1024.0L * 1024.0L * 1024.0L )
IRCD_UNIT_LITERAL_LD( EiB, val * 1024.0L * 1024.0L * 1024.0L * 1024.0L * 1024.0L * 1024.0L )
// SI unit literals
IRCD_UNIT_LITERAL_LL( KB, val * 1000LL )
IRCD_UNIT_LITERAL_LL( MB, val * 1000LL * 1000LL )
IRCD_UNIT_LITERAL_LL( GB, val * 1000LL * 1000LL * 1000LL )
IRCD_UNIT_LITERAL_LL( TB, val * 1000LL * 1000LL * 1000LL * 1000LL )
IRCD_UNIT_LITERAL_LL( PB, val * 1000LL * 1000LL * 1000LL * 1000LL * 1000LL )
IRCD_UNIT_LITERAL_LL( EB, val * 1000LL * 1000LL * 1000LL * 1000LL * 1000LL * 1000LL )
IRCD_UNIT_LITERAL_LD( KB, val * 1000.0L )
IRCD_UNIT_LITERAL_LD( MB, val * 1000.0L * 1000.0L )
IRCD_UNIT_LITERAL_LD( GB, val * 1000.0L * 1000.0L * 1000.0L )
IRCD_UNIT_LITERAL_LD( TB, val * 1000.0L * 1000.0L * 1000.0L * 1000.0L )
IRCD_UNIT_LITERAL_LD( PB, val * 1000.0L * 1000.0L * 1000.0L * 1000.0L * 1000.0L )
IRCD_UNIT_LITERAL_LD( EB, val * 1000.0L * 1000.0L * 1000.0L * 1000.0L * 1000.0L * 1000.0L )
/* Output the sizeof a structure at compile time.
* This stops the compiler with an error (good) containing the size of the target
* in the message.
*
* example: struct foo {}; IRCD_TEST_SIZEOF(foo)
*/
template<size_t SIZE>
struct _TEST_SIZEOF_;
#define IRCD_TEST_SIZEOF(name) \
ircd::util::_TEST_SIZEOF_<sizeof(name)> _test_;
/* This is a template alternative to nothrow overloads, which
* allows keeping the function arguments sanitized of the thrownness.
*/