@ -1,7 +1,7 @@
/*
Formatting library for C + +
Copyright ( c ) 2012 - present , Victor Zverovich
Copyright ( c ) 2012 - present , Victor Zverovich and { fmt } contributors
Permission is hereby granted , free of charge , to any person obtaining
a copy of this software and associated documentation files ( the
@ -47,14 +47,12 @@
# endif
# ifndef FMT_MODULE
# include <stdint.h> // uint32_t
# include <stdlib.h> // malloc, free
# include <string.h> // memcpy
# include <cmath> // std::signbit
# include <cstddef> // std::byte
# include <cstdint> // uint32_t
# include <cstring> // std::memcpy
# include <limits> // std::numeric_limits
# include <new> // std::bad_alloc
# if defined(__GLIBCXX__) && !defined(_GLIBCXX_USE_DUAL_ABI)
// Workaround for pre gcc 5 libstdc++.
# include <memory> // std::allocator_traits
@ -122,14 +120,6 @@
# define FMT_NOINLINE
# endif
# ifdef FMT_DEPRECATED
// Use the provided definition.
# elif FMT_HAS_CPP14_ATTRIBUTE(deprecated)
# define FMT_DEPRECATED [[deprecated]]
# else
# define FMT_DEPRECATED /* deprecated */
# endif
// Detect constexpr std::string.
# if !FMT_USE_CONSTEVAL
# define FMT_USE_CONSTEXPR_STRING 0
@ -224,7 +214,6 @@ namespace detail {
inline auto clz ( uint32_t x ) - > int {
FMT_ASSERT ( x ! = 0 , " " ) ;
FMT_MSC_WARNING ( suppress : 6102 ) // Suppress a bogus static analysis warning.
unsigned long r = 0 ;
_BitScanReverse ( & r , x ) ;
return 31 ^ static_cast < int > ( r ) ;
@ -233,7 +222,6 @@ inline auto clz(uint32_t x) -> int {
inline auto clzll ( uint64_t x ) - > int {
FMT_ASSERT ( x ! = 0 , " " ) ;
FMT_MSC_WARNING ( suppress : 6102 ) // Suppress a bogus static analysis warning.
unsigned long r = 0 ;
# ifdef _WIN64
_BitScanReverse64 ( & r , x ) ;
@ -283,7 +271,7 @@ FMT_CONSTEXPR20 auto bit_cast(const From& from) -> To {
# endif
auto to = To ( ) ;
// The cast suppresses a bogus -Wclass-memaccess on GCC.
std : : memcpy ( static_cast < void * > ( & to ) , & from , sizeof ( to ) ) ;
memcpy ( static_cast < void * > ( & to ) , & from , sizeof ( to ) ) ;
return to ;
}
@ -302,13 +290,13 @@ inline auto is_big_endian() -> bool {
# endif
}
class uint128 _fallback {
class uint128 {
private :
uint64_t lo_ , hi_ ;
public :
constexpr uint128 _fallback ( uint64_t hi , uint64_t lo ) : lo_ ( lo ) , hi_ ( hi ) { }
constexpr uint128 _fallback ( uint64_t value = 0 ) : lo_ ( value ) , hi_ ( 0 ) { }
constexpr uint128 ( uint64_t hi , uint64_t lo ) : lo_ ( lo ) , hi_ ( hi ) { }
constexpr uint128 ( uint64_t value = 0 ) : lo_ ( value ) , hi_ ( 0 ) { }
constexpr auto high ( ) const noexcept - > uint64_t { return hi_ ; }
constexpr auto low ( ) const noexcept - > uint64_t { return lo_ ; }
@ -318,92 +306,84 @@ class uint128_fallback {
return static_cast < T > ( lo_ ) ;
}
friend constexpr auto operator = = ( const uint128 _fallback& lhs ,
const uint128_fallback & rhs ) - > bool {
friend constexpr auto operator = = ( const uint128 & lhs , const uint128 & rhs )
- > bool {
return lhs . hi_ = = rhs . hi_ & & lhs . lo_ = = rhs . lo_ ;
}
friend constexpr auto operator ! = ( const uint128 _fallback& lhs ,
const uint128_fallback & rhs ) - > bool {
friend constexpr auto operator ! = ( const uint128 & lhs , const uint128 & rhs )
- > bool {
return ! ( lhs = = rhs ) ;
}
friend constexpr auto operator > ( const uint128 _fallback& lhs ,
const uint128_fallback & rhs ) - > bool {
friend constexpr auto operator > ( const uint128 & lhs , const uint128 & rhs )
- > bool {
return lhs . hi_ ! = rhs . hi_ ? lhs . hi_ > rhs . hi_ : lhs . lo_ > rhs . lo_ ;
}
friend constexpr auto operator | ( const uint128_fallback & lhs ,
const uint128_fallback & rhs )
- > uint128_fallback {
friend constexpr auto operator | ( const uint128 & lhs , const uint128 & rhs )
- > uint128 {
return { lhs . hi_ | rhs . hi_ , lhs . lo_ | rhs . lo_ } ;
}
friend constexpr auto operator & ( const uint128_fallback & lhs ,
const uint128_fallback & rhs )
- > uint128_fallback {
friend constexpr auto operator & ( const uint128 & lhs , const uint128 & rhs )
- > uint128 {
return { lhs . hi_ & rhs . hi_ , lhs . lo_ & rhs . lo_ } ;
}
friend constexpr auto operator ~ ( const uint128_fallback & n )
- > uint128_fallback {
return { ~ n . hi_ , ~ n . lo_ } ;
}
friend FMT_CONSTEXPR auto operator + ( const uint128_fallback & lhs ,
const uint128_fallback & rhs )
- > uint128_fallback {
auto result = uint128_fallback ( lhs ) ;
friend FMT_CONSTEXPR auto operator + ( const uint128 & lhs , const uint128 & rhs )
- > uint128 {
auto result = uint128 ( lhs ) ;
result + = rhs ;
return result ;
}
friend FMT_CONSTEXPR auto operator * ( const uint128 _fallback & lhs , uint32_t rhs )
- > uint128 _fallback {
friend FMT_CONSTEXPR auto operator * ( const uint128 & lhs , uint32_t rhs )
- > uint128 {
FMT_ASSERT ( lhs . hi_ = = 0 , " " ) ;
uint64_t hi = ( lhs . lo_ > > 32 ) * rhs ;
uint64_t lo = ( lhs . lo_ & ~ uint32_t ( ) ) * rhs ;
uint64_t new_lo = ( hi < < 32 ) + lo ;
return { ( hi > > 32 ) + ( new_lo < lo ? 1 : 0 ) , new_lo } ;
}
friend constexpr auto operator - ( const uint128_fallback & lhs , uint64_t rhs )
- > uint128_fallback {
friend constexpr auto operator - ( const uint128 & lhs , uint64_t rhs ) - > uint128 {
return { lhs . hi_ - ( lhs . lo_ < rhs ? 1 : 0 ) , lhs . lo_ - rhs } ;
}
FMT_CONSTEXPR auto operator > > ( int shift ) const - > uint128 _fallback {
FMT_CONSTEXPR auto operator > > ( int shift ) const - > uint128 {
if ( shift = = 64 ) return { 0 , hi_ } ;
if ( shift > 64 ) return uint128 _fallback ( 0 , hi_ ) > > ( shift - 64 ) ;
if ( shift > 64 ) return uint128 ( 0 , hi_ ) > > ( shift - 64 ) ;
return { hi_ > > shift , ( hi_ < < ( 64 - shift ) ) | ( lo_ > > shift ) } ;
}
FMT_CONSTEXPR auto operator < < ( int shift ) const - > uint128 _fallback {
FMT_CONSTEXPR auto operator < < ( int shift ) const - > uint128 {
if ( shift = = 64 ) return { lo_ , 0 } ;
if ( shift > 64 ) return uint128 _fallback ( lo_ , 0 ) < < ( shift - 64 ) ;
if ( shift > 64 ) return uint128 ( lo_ , 0 ) < < ( shift - 64 ) ;
return { hi_ < < shift | ( lo_ > > ( 64 - shift ) ) , ( lo_ < < shift ) } ;
}
FMT_CONSTEXPR auto operator > > = ( int shift ) - > uint128 _fallback & {
FMT_CONSTEXPR auto operator > > = ( int shift ) - > uint128 & {
return * this = * this > > shift ;
}
FMT_CONSTEXPR void operator + = ( uint128 _fallback n ) {
FMT_CONSTEXPR void operator + = ( uint128 n ) {
uint64_t new_lo = lo_ + n . lo_ ;
uint64_t new_hi = hi_ + n . hi_ + ( new_lo < lo_ ? 1 : 0 ) ;
FMT_ASSERT ( new_hi > = hi_ , " " ) ;
lo_ = new_lo ;
hi_ = new_hi ;
}
FMT_CONSTEXPR void operator & = ( uint128 _fallback n ) {
FMT_CONSTEXPR void operator & = ( uint128 n ) {
lo_ & = n . lo_ ;
hi_ & = n . hi_ ;
}
FMT_CONSTEXPR20 auto operator + = ( uint64_t n ) noexcept - > uint128 _fallback & {
FMT_CONSTEXPR20 auto operator + = ( uint64_t n ) noexcept - > uint128 & {
if ( is_constant_evaluated ( ) ) {
lo_ + = n ;
hi_ + = ( lo_ < n ? 1 : 0 ) ;
return * this ;
}
# if FMT_HAS_BUILTIN(__builtin_addcll) && !defined(__ibmxl__)
unsigned long carry ;
ul carry ;
lo_ = __builtin_addcll ( lo_ , n , 0 , & carry ) ;
hi_ + = carry ;
# elif FMT_HAS_BUILTIN(__builtin_ia32_addcarryx_u64) && !defined(__ibmxl__)
unsigned long result ;
ul result ;
auto carry = __builtin_ia32_addcarryx_u64 ( 0 , lo_ , n , & result ) ;
lo_ = result ;
hi_ + = carry ;
# elif defined(_MSC_VER) && defined(_M_ X 64)
# elif defined(_MSC_VER) && defined(_M_ AMD 64)
auto carry = _addcarry_u64 ( 0 , lo_ , n , & lo_ ) ;
_addcarry_u64 ( carry , hi_ , 0 , & hi_ ) ;
# else
@ -414,7 +394,7 @@ class uint128_fallback {
}
} ;
using uint128_t = conditional_t < FMT_USE_INT128 , _opt , uint128 _fallback > ;
using uint128_t = conditional_t < FMT_USE_INT128 , native_ uint128, uint128 > ;
# ifdef UINTPTR_MAX
using uintptr_t = : : uintptr_t ;
@ -431,12 +411,12 @@ template <typename T> constexpr auto num_bits() -> int {
return std : : numeric_limits < T > : : digits ;
}
// std::numeric_limits<T>::digits may return 0 for 128-bit ints.
template < > constexpr auto num_bits < _opt > ( ) - > int { return 128 ; }
template < > constexpr auto num_bits < _opt > ( ) - > int { return 128 ; }
template < > constexpr auto num_bits < uint128 _fallback > ( ) - > int { return 128 ; }
template < > constexpr auto num_bits < native_ int128> ( ) - > int { return 128 ; }
template < > constexpr auto num_bits < native_ uint128> ( ) - > int { return 128 ; }
template < > constexpr auto num_bits < uint128 > ( ) - > int { return 128 ; }
// A heterogeneous bit_cast used for converting 96-bit long double to uint128_t
// and 128-bit pointers to uint128 _fallback .
// and 128-bit pointers to uint128 .
template < typename To , typename From , FMT_ENABLE_IF ( sizeof ( To ) > sizeof ( From ) ) >
inline auto bit_cast ( const From & from ) - > To {
constexpr auto size = static_cast < int > ( sizeof ( From ) / sizeof ( unsigned short ) ) ;
@ -444,7 +424,7 @@ inline auto bit_cast(const From& from) -> To {
unsigned short value [ static_cast < unsigned > ( size ) ] ;
} data = bit_cast < data_t > ( from ) ;
auto result = To ( ) ;
if ( const_check( is_big_endian( ) ) ) {
if ( ( ) ) {
for ( int i = 0 ; i < size ; + + i )
result = ( result < < num_bits < unsigned short > ( ) ) | data . value [ i ] ;
} else {
@ -493,8 +473,8 @@ template <typename OutputIt,
# if FMT_CLANG_VERSION >= 307 && !FMT_ICC_VERSION
__attribute__ ( ( no_sanitize ( " undefined " ) ) )
# endif
FMT_CONSTEXPR20 inline auto
reserve ( OutputIt it , size_t n ) - > typename OutputIt : : value_type * {
FMT_CONSTEXPR20 inline auto reserve ( OutputIt it , size_t n ) - >
typename OutputIt : : value_type * {
auto & c = get_container ( it ) ;
size_t size = c . size ( ) ;
c . resize ( size + n ) ;
@ -564,10 +544,15 @@ FMT_CONSTEXPR20 auto fill_n(T* out, Size count, char value) -> T* {
if ( is_constant_evaluated ( ) ) return fill_n < T * , Size , T > ( out , count , value ) ;
static_assert ( sizeof ( T ) = = 1 ,
" sizeof(T) must be 1 to use char for initialization " ) ;
std : : memset ( out , value , to_unsigned ( count ) ) ;
memset ( out , value , to_unsigned ( count ) ) ;
return out + count ;
}
template < typename T , typename V , typename OutputIt >
FMT_CONSTEXPR auto copy ( basic_string_view < V > s , OutputIt out ) - > OutputIt {
return copy < T > ( s . begin ( ) , s . end ( ) , out ) ;
}
template < typename OutChar , typename InputIt , typename OutputIt >
FMT_CONSTEXPR FMT_NOINLINE auto copy_noinline ( InputIt begin , InputIt end ,
OutputIt out ) - > OutputIt {
@ -690,13 +675,13 @@ FMT_CONSTEXPR inline auto display_width_of(uint32_t cp) noexcept -> size_t {
}
template < typename T > struct is_integral : std : : is_integral < T > { } ;
template < > struct is_integral < _opt > : std : : true_type { } ;
template < > struct is_integral < native_ int128> : std : : true_type { } ;
template < > struct is_integral < uint128_t > : std : : true_type { } ;
template < typename T >
using is_signed =
std : : integral_constant < bool , std : : numeric_limits < T > : : is_signed | |
std : : is_same < T , _opt > : : value > ;
std : : is_same < T , native_ int128> : : value > ;
template < typename T >
using is_integer =
@ -736,21 +721,17 @@ using fast_float_t = conditional_t<sizeof(T) == sizeof(double), double, float>;
template < typename T >
using is_double_double = bool_constant < std : : numeric_limits < T > : : digits = = 106 > ;
# ifndef FMT_USE_FULL_CACHE_DRAGONBOX
# define FMT_USE_FULL_CACHE_DRAGONBOX 0
# endif
FMT_API auto allocate ( size_t size ) - > void * ;
// An allocator that uses malloc/free to allow removing dependency on the C++
// standard lib ary runtime. std::decay is used for back_inserter to be found by
// standard lib r ary runtime. std::decay is used for back_inserter to be found by
// ADL when applied to memory_buffer.
template < typename T > struct allocator : private std : : decay < void > {
using value_type = T ;
auto allocate ( size_t n ) - > T * {
FMT_ASSERT ( n < = max_value < size_t > ( ) / sizeof ( T ) , " " ) ;
T * p = static_cast < T * > ( malloc ( n * sizeof ( T ) ) ) ;
if ( ! p ) FMT_THROW ( std : : bad_alloc ( ) ) ;
return p ;
return static_cast < T * > ( detail : : allocate ( n * sizeof ( T ) ) ) ;
}
void deallocate ( T * p , size_t ) { free ( p ) ; }
@ -984,7 +965,7 @@ FMT_API void print(FILE*, string_view);
namespace detail {
template < typename Char , size_t N > struct fixed_string {
FMT_CONSTEXPR 20 fixed_string ( const Char ( & s ) [ N ] ) {
FMT_CONSTEXPR fixed_string ( const Char ( & s ) [ N ] ) {
detail : : copy < Char , const Char * , Char * > ( static_cast < const Char * > ( s ) , s + N ,
data ) ;
}
@ -1031,12 +1012,12 @@ using uint64_or_128_t = conditional_t<num_bits<T>() <= 64, uint64_t, uint128_t>;
( factor ) * 100000 , ( factor ) * 1000000 , ( factor ) * 10000000 , \
( factor ) * 100000000 , ( factor ) * 1000000000
// Converts value in the range [0, 100) to a string.
// GCC generates slightly better code when value is pointer-size.
inline auto digits2 ( size_t value ) - > const char * {
// Converts value in the range [0, 100) to a string. GCC generates a bit better
// code when value is pointer-size (https://www.godbolt.org/z/5fEPMT1cc) .
inline auto digits2 ( size_t value ) noexcept - > const char * {
// Align data since unaligned access may be slower when crossing a
// hardware-specific boundary.
alignas ( 2 ) static const char data [ ] =
alignas ( 2 ) static constexpr char data [ ] =
" 0001020304050607080910111213141516171819 "
" 2021222324252627282930313233343536373839 "
" 4041424344454647484950515253545556575859 "
@ -1045,9 +1026,25 @@ inline auto digits2(size_t value) -> const char* {
return & data [ value * 2 ] ;
}
// Given i in [0, 100), let x be the first 7 digits after
// the decimal point of i / 100 in base 2, the first 2 bytes
// after digits2_i(x) is the string representation of i.
inline auto digits2_i ( size_t value ) noexcept - > const char * {
alignas ( 2 ) static constexpr char data [ ] =
" 00010203 0405060707080910 1112 "
" 131414151617 18192021 222324 "
" 25262728 2930313232333435 3637 "
" 383939404142 43444546 474849 "
" 50515253 5455565757585960 6162 "
" 636464656667 68697071 727374 "
" 75767778 7980818282838485 8687 "
" 888989909192 93949596 979899 " ;
return & data [ value * 2 ] ;
}
template < typename Char > constexpr auto getsign ( sign s ) - > Char {
return static_cast < char > ( ( ( ' ' < < 24 ) | ( ' + ' < < 16 ) | ( ' - ' < < 8 ) ) > >
( static_cast < int > ( s ) * 8 ) ) ;
return static_cast < Char > ( static_cast < char > (
( ( ' ' < < 24 ) | ( ' + ' < < 16 ) | ( ' - ' < < 8 ) ) > > ( static_cast < int > ( s ) * 8 ) ) ) ;
}
template < typename T > FMT_CONSTEXPR auto count_digits_fallback ( T n ) - > int {
@ -1065,7 +1062,7 @@ template <typename T> FMT_CONSTEXPR auto count_digits_fallback(T n) -> int {
}
}
# if FMT_USE_INT128
FMT_CONSTEXPR inline auto count_digits ( _opt n ) - > int {
FMT_CONSTEXPR inline auto count_digits ( native_ uint128 n ) - > int {
return count_digits_fallback ( n ) ;
}
# endif
@ -1153,7 +1150,9 @@ FMT_CONSTEXPR20 inline auto count_digits(uint32_t n) -> int {
template < typename Int > constexpr auto digits10 ( ) noexcept - > int {
return std : : numeric_limits < Int > : : digits10 ;
}
template < > constexpr auto digits10 < int128_opt > ( ) noexcept - > int { return 38 ; }
template < > constexpr auto digits10 < native_int128 > ( ) noexcept - > int {
return 38 ;
}
template < > constexpr auto digits10 < uint128_t > ( ) noexcept - > int { return 38 ; }
template < typename Char > struct thousands_sep_result {
@ -1166,7 +1165,7 @@ FMT_API auto thousands_sep_impl(locale_ref loc) -> thousands_sep_result<Char>;
template < typename Char >
inline auto thousands_sep ( locale_ref loc ) - > thousands_sep_result < Char > {
auto result = thousands_sep_impl < char > ( loc ) ;
return { . grouping , Char ( result . thousands_sep ) } ;
return { std: : move ( result. grouping ) , Char ( result . thousands_sep ) } ;
}
template < >
inline auto thousands_sep ( locale_ref loc ) - > thousands_sep_result < wchar_t > {
@ -1213,6 +1212,16 @@ FMT_CONSTEXPR20 FMT_INLINE void write2digits(Char* out, size_t value) {
* out = static_cast < Char > ( ' 0 ' + value % 10 ) ;
}
template < typename Char >
FMT_INLINE void write2digits_i ( Char * out , size_t value ) {
if ( std : : is_same < Char , char > : : value & & ! FMT_OPTIMIZE_SIZE ) {
memcpy ( out , digits2_i ( value ) , 2 ) ;
return ;
}
* out + + = static_cast < Char > ( digits2_i ( value ) [ 0 ] ) ;
* out = static_cast < Char > ( digits2_i ( value ) [ 1 ] ) ;
}
// Formats a decimal unsigned integer value writing to out pointing to a buffer
// of specified size. The caller must ensure that the buffer is large enough.
template < typename Char , typename UInt >
@ -1221,13 +1230,20 @@ FMT_CONSTEXPR20 auto do_format_decimal(Char* out, UInt value, int size)
FMT_ASSERT ( size > = count_digits ( value ) , " invalid digit count " ) ;
unsigned n = to_unsigned ( size ) ;
while ( value > = 100 ) {
n - = 2 ;
if ( ! is_constant_evaluated ( ) & & sizeof ( UInt ) = = 4 ) {
auto p = value * static_cast < uint64_t > ( ( 1ull < < 39 ) / 100 + 1 ) ;
write2digits_i ( out + n , p > > ( 39 - 7 ) & ( ( 1 < < 7 ) - 1 ) ) ;
value = static_cast < UInt > ( p > > 39 ) +
( static_cast < UInt > ( value > = ( 100u < < 25 ) ) < < 25 ) ;
} else {
// Integer division is slow so do it for a group of two digits instead
// of for every digit. The idea comes from the talk by Alexandrescu
// "Three Optimization Tips for C++". See speed-test for a comparison.
n - = 2 ;
write2digits ( out + n , static_cast < unsigned > ( value % 100 ) ) ;
value / = 100 ;
}
}
if ( value > = 10 ) {
n - = 2 ;
write2digits ( out + n , static_cast < unsigned > ( value ) ) ;
@ -1311,7 +1327,13 @@ class utf8_to_utf16 {
inline auto str ( ) const - > std : : wstring { return { & buffer_ [ 0 ] , size ( ) } ; }
} ;
enum class to_utf8_error_policy { abort , replace } ;
enum class to_utf8_error_policy { abort , replace , wtf } ;
inline void to_utf8_3bytes ( buffer < char > & buf , uint32_t cp ) {
buf . push_back ( static_cast < char > ( 0xe0 | ( cp > > 12 ) ) ) ;
buf . push_back ( static_cast < char > ( 0x80 | ( ( cp & 0xfff ) > > 6 ) ) ) ;
buf . push_back ( static_cast < char > ( 0x80 | ( cp & 0x3f ) ) ) ;
}
// A converter from UTF-16/UTF-32 (host endian) to UTF-8.
template < typename WChar , typename Buffer = memory_buffer > class to_utf8 {
@ -1353,8 +1375,13 @@ template <typename WChar, typename Buffer = memory_buffer> class to_utf8 {
// Handle a surrogate pair.
+ + p ;
if ( p = = s . end ( ) | | ( c & 0xfc00 ) ! = 0xd800 | | ( * p & 0xfc00 ) ! = 0xdc00 ) {
if ( policy = = to_utf8_error_policy : : abort ) return false ;
switch ( policy ) {
case to_utf8_error_policy : : abort : return false ;
case to_utf8_error_policy : : replace :
buf . append ( string_view ( " \xEF \xBF \xBD " ) ) ;
break ;
case to_utf8_error_policy : : wtf : to_utf8_3bytes ( buf , c ) ; break ;
}
- - p ;
continue ;
}
@ -1366,9 +1393,7 @@ template <typename WChar, typename Buffer = memory_buffer> class to_utf8 {
buf . push_back ( static_cast < char > ( 0xc0 | ( c > > 6 ) ) ) ;
buf . push_back ( static_cast < char > ( 0x80 | ( c & 0x3f ) ) ) ;
} else if ( ( c > = 0x800 & & c < = 0xd7ff ) | | ( c > = 0xe000 & & c < = 0xffff ) ) {
buf . push_back ( static_cast < char > ( 0xe0 | ( c > > 12 ) ) ) ;
buf . push_back ( static_cast < char > ( 0x80 | ( ( c & 0xfff ) > > 6 ) ) ) ;
buf . push_back ( static_cast < char > ( 0x80 | ( c & 0x3f ) ) ) ;
to_utf8_3bytes ( buf , c ) ;
} else if ( c > = 0x10000 & & c < = 0x10ffff ) {
buf . push_back ( static_cast < char > ( 0xf0 | ( c > > 18 ) ) ) ;
buf . push_back ( static_cast < char > ( 0x80 | ( ( c & 0x3ffff ) > > 12 ) ) ) ;
@ -1383,11 +1408,11 @@ template <typename WChar, typename Buffer = memory_buffer> class to_utf8 {
} ;
// Computes 128-bit result of multiplication of two 64-bit unsigned integers.
FMT_INLINE auto umul128 ( uint64_t x , uint64_t y ) noexcept - > uint128 _fallback {
FMT_INLINE auto umul128 ( uint64_t x , uint64_t y ) noexcept - > uint128 {
# if FMT_USE_INT128
auto p = static_cast < _opt > ( x ) * static_cast < _opt > ( y ) ;
auto p = static_cast < native_ uint128> ( x ) * static_cast < native_ uint128> ( y ) ;
return { static_cast < uint64_t > ( p > > 64 ) , static_cast < uint64_t > ( p ) } ;
# elif defined(_MSC_VER) && defined(_M_ X 64)
# elif defined(_MSC_VER) && defined(_M_ AMD 64)
auto hi = uint64_t ( ) ;
auto lo = _umul128 ( x , y , & hi ) ;
return { hi , lo } ;
@ -1428,9 +1453,9 @@ inline auto floor_log2_pow10(int e) noexcept -> int {
// Computes upper 64 bits of multiplication of two 64-bit unsigned integers.
inline auto umul128_upper64 ( uint64_t x , uint64_t y ) noexcept - > uint64_t {
# if FMT_USE_INT128
auto p = static_cast < _opt > ( x ) * static_cast < _opt > ( y ) ;
auto p = static_cast < native_ uint128> ( x ) * static_cast < native_ uint128> ( y ) ;
return static_cast < uint64_t > ( p > > 64 ) ;
# elif defined(_MSC_VER) && defined(_M_ X 64)
# elif defined(_MSC_VER) && defined(_M_ AMD 64)
return __umulh ( x , y ) ;
# else
return umul128 ( x , y ) . high ( ) ;
@ -1439,40 +1464,39 @@ inline auto umul128_upper64(uint64_t x, uint64_t y) noexcept -> uint64_t {
// Computes upper 128 bits of multiplication of a 64-bit unsigned integer and a
// 128-bit unsigned integer.
inline auto umul192_upper128 ( uint64_t x , uint128_fallback y ) noexcept
- > uint128_fallback {
uint128_fallback r = umul128 ( x , y . high ( ) ) ;
inline auto umul192_upper128 ( uint64_t x , uint128 y ) noexcept - > uint128 {
uint128 r = umul128 ( x , y . high ( ) ) ;
r + = umul128_upper64 ( x , y . low ( ) ) ;
return r ;
}
FMT_API auto get_cached_power ( int k ) noexcept - > uint128 _fallback ;
FMT_API auto get_cached_power ( int k ) noexcept - > uint128 ;
// Type-specific information that Dragonbox uses.
template < typename T , typename Enable = void > struct float_info ;
template < > struct float_info < float > {
using carrier_uint = uint32_t ;
static const int exponent_bits = 8 ;
static const int kappa = 1 ;
static const int big_divisor = 100 ;
static const int small_divisor = 10 ;
static const int min_k = - 31 ;
static const int max_k = 46 ;
static const int shorter_interval_tie_lower_threshold = - 35 ;
static const int shorter_interval_tie_upper_threshold = - 35 ;
static constexpr int exponent_bits = 8 ;
static constexpr int kappa = 1 ;
static constexpr int big_divisor = 100 ;
static constexpr int small_divisor = 10 ;
static constexpr int min_k = - 31 ;
enum { max_k = 46 } ;
static constexpr int shorter_interval_tie_lower_threshold = - 35 ;
static constexpr int shorter_interval_tie_upper_threshold = - 35 ;
} ;
template < > struct float_info < double > {
using carrier_uint = uint64_t ;
static const int exponent_bits = 11 ;
static const int kappa = 2 ;
static const int big_divisor = 1000 ;
static const int small_divisor = 100 ;
static const int min_k = - 292 ;
static const int max_k = 341 ;
static const int shorter_interval_tie_lower_threshold = - 77 ;
static const int shorter_interval_tie_upper_threshold = - 77 ;
static constexpr int exponent_bits = 11 ;
static constexpr int kappa = 2 ;
static constexpr int big_divisor = 1000 ;
static constexpr int small_divisor = 100 ;
static constexpr int min_k = - 292 ;
enum { max_k = 341 } ;
static constexpr int shorter_interval_tie_lower_threshold = - 77 ;
static constexpr int shorter_interval_tie_upper_threshold = - 77 ;
} ;
// An 80- or 128-bit floating point number.
@ -1608,7 +1632,7 @@ template <typename F> struct basic_fp {
}
} ;
using fp = basic_fp < unsigned long > ;
using fp = basic_fp < ul > ;
// Normalizes the value converted from double and multiplied by (1 << SHIFT).
template < int SHIFT = 0 , typename F >
@ -1739,7 +1763,7 @@ FMT_API auto is_printable(uint32_t cp) -> bool;
inline auto needs_escape ( uint32_t cp ) - > bool {
if ( cp < 0x20 | | cp = = 0x7f | | cp = = ' " ' | | cp = = ' \\ ' ) return true ;
if ( const_check ( FMT_OPTIMIZE_SIZE > 1 ) ) return false ;
if FMT_CONSTEXPR20 ( FMT_OPTIMIZE_SIZE > 1 ) return false ;
return ! is_printable ( cp ) ;
}
@ -1754,7 +1778,7 @@ auto find_escape(const Char* begin, const Char* end)
- > find_escape_result < Char > {
for ( ; begin ! = end ; + + begin ) {
uint32_t cp = static_cast < unsigned_char < Char > > ( * begin ) ;
if ( const_check ( sizeof ( Char ) = = 1 ) & & cp > = 0x80 ) continue ;
if ( sizeof ( Char ) = = 1 & & cp > = 0x80 ) continue ;
if ( needs_escape ( cp ) ) return { begin , begin + 1 , cp } ;
}
return { begin , nullptr , 0 } ;
@ -1762,7 +1786,7 @@ auto find_escape(const Char* begin, const Char* end)
inline auto find_escape ( const char * begin , const char * end )
- > find_escape_result < char > {
if ( const_check ( ! use_utf8 ) ) return find_escape < char > ( begin , end ) ;
if FMT_CONSTEXPR20 ( ! use_utf8 ) return find_escape < char > ( begin , end ) ;
auto result = find_escape_result < char > { end , nullptr , 0 } ;
for_each_codepoint ( string_view ( begin , to_unsigned ( end - begin ) ) ,
[ & ] ( uint32_t cp , string_view sv ) {
@ -1890,7 +1914,7 @@ template <typename Char> class digit_grouping {
explicit digit_grouping ( locale_ref loc , bool localized = true ) {
if ( ! localized ) return ;
auto sep = thousands_sep < Char > ( loc ) ;
grouping_ = s ep. grouping ;
grouping_ = s td: : move ( s ep. grouping ) ;
if ( sep . thousands_sep ) thousands_sep_ . assign ( 1 , sep . thousands_sep ) ;
}
digit_grouping ( std : : string grouping , std : : basic_string < Char > sep )
@ -2335,9 +2359,8 @@ FMT_CONSTEXPR auto parse_align(const Char* begin, const Char* end,
+ + begin ;
}
break ;
} else if ( p = = begin ) {
break ;
}
if ( p = = begin ) break ;
p = begin ;
}
specs . set_align ( alignment ) ;
@ -2534,7 +2557,7 @@ FMT_CONSTEXPR20 auto write_fixed(OutputIt out, const DecimalFP& f,
auto grouping = Grouping ( loc , specs . localized ( ) ) ;
size + = grouping . count_separators ( exp ) ;
return write_padded < Char , align : : right > (
out , specs , to_unsigned ( size ) , [ & ] ( iterator it ) {
out , specs , static_cast < size_t > ( size ) , [ & ] ( iterator it ) {
if ( s ! = sign : : none ) * it + + = detail : : getsign < Char > ( s ) ;
it = write_significand ( it , f . significand , significand_size , exp ,
decimal_point , grouping ) ;
@ -2550,7 +2573,7 @@ FMT_CONSTEXPR20 auto write_fixed(OutputIt out, const DecimalFP& f,
bool pointy = num_zeros ! = 0 | | significand_size ! = 0 | | specs . alt ( ) ;
size + = 1 + ( pointy ? 1 : 0 ) + num_zeros ;
return write_padded < Char , align : : right > (
out , specs , to_unsigned ( size ) , [ & ] ( iterator it ) {
out , specs , static_cast < size_t > ( size ) , [ & ] ( iterator it ) {
if ( s ! = sign : : none ) * it + + = detail : : getsign < Char > ( s ) ;
* it + + = Char ( ' 0 ' ) ;
if ( ! pointy ) return it ;
@ -2594,7 +2617,7 @@ FMT_CONSTEXPR20 auto do_write_float(OutputIt out, const DecimalFP& f,
* it + + = Char ( exp_char ) ;
return write_exponent < Char > ( exp , it ) ;
} ;
auto usize = to_unsigned ( size ) ;
size_t usize = static_cast < size_t > ( size ) ;
return specs . width > 0
? write_padded < Char , align : : right > ( out , specs , usize , write )
: base_iterator ( out , write ( reserve ( out , usize ) ) ) ;
@ -3138,8 +3161,9 @@ constexpr auto fractional_part_rounding_thresholds(int index) -> uint32_t {
// It is equal to ceil(2^31 + 2^32/10^(k + 1)).
// These are stored in a string literal because we cannot have static arrays
// in constexpr functions and non-static ones are poorly optimized.
return U " \x9999 999a \x828f 5c29 \x8041 8938 \x8006 8db9 \x8000 a7c6 \x8000 10c7 "
U " \x8000 01ae \x8000 002b " [ index ] ;
return uint32_t ( u " \x9999 \x828f \x8041 \x8006 \x8000 \x8000 \x8000 \x8000 " [ index ] )
< < 16u |
uint32_t ( u " \x999a \x5c29 \x8938 \x8db9 \xa7c6 \x10c7 \x01ae \x002b " [ index ] ) ;
}
template < typename Float >
@ -3544,8 +3568,8 @@ FMT_CONSTEXPR20 auto write(OutputIt out, T value) -> OutputIt {
memcpy ( ptr , prefix , 2 ) ;
ptr + = 2 ;
} else {
* ptr + + = [ 0 ] ;
* ptr + + = [ 1 ] ;
* ptr + + = static_cast< Char > ( prefix[ 0 ] ) ;
* ptr + + = static_cast< Char > ( prefix[ 1 ] ) ;
}
if ( abs_exponent > = 100 ) {
* ptr + + = static_cast < Char > ( ' 0 ' + abs_exponent / 100 ) ;
@ -3697,12 +3721,12 @@ template <typename Char> struct arg_formatter {
struct dynamic_spec_getter {
template < typename T , FMT_ENABLE_IF ( is_integer < T > : : value ) >
FMT_CONSTEXPR auto operator ( ) ( T value ) - > unsigned long {
return is_negative ( value ) ? ~ 0ull : static_cast < unsigned long > ( value ) ;
FMT_CONSTEXPR auto operator ( ) ( T value ) - > ul {
return is_negative ( value ) ? ~ 0ull : static_cast < ul > ( value ) ;
}
template < typename T , FMT_ENABLE_IF ( ! is_integer < T > : : value ) >
FMT_CONSTEXPR auto operator ( ) ( T ) - > unsigned long {
FMT_CONSTEXPR auto operator ( ) ( T ) - > ul {
report_error ( " width/precision is not integer " ) ;
return 0 ;
}
@ -3716,7 +3740,7 @@ FMT_CONSTEXPR void handle_dynamic_spec(
auto arg =
kind = = arg_id_kind : : index ? ctx . arg ( ref . index ) : ctx . arg ( ref . name ) ;
if ( ! arg ) report_error ( " argument not found " ) ;
unsigned long result = arg . visit ( dynamic_spec_getter ( ) ) ;
ul result = arg . visit ( dynamic_spec_getter ( ) ) ;
if ( result > to_unsigned ( max_value < int > ( ) ) )
report_error ( " width/precision is out of range " ) ;
value = static_cast < int > ( result ) ;
@ -3751,7 +3775,7 @@ struct udl_arg {
template < typename Char > struct udl_arg {
const Char * str ;
template < typename T > auto operator = ( T & & value ) const - > named_arg < Char, T > {
template < typename T > auto operator = ( T & & value ) const - > named_arg < T, Char > {
return { str , std : : forward < T > ( value ) } ;
}
} ;
@ -3864,7 +3888,7 @@ template <typename OutputIt, typename Char> class generic_context {
constexpr auto out ( ) const - > iterator { return out_ ; }
void advance_to ( iterator it ) {
FMT_CONSTEXPR void advance_to ( iterator it ) {
if ( ! detail : : is_back_insert_iterator < iterator > ( ) ) out_ = it ;
}
@ -3906,8 +3930,8 @@ template <typename Locale> class format_facet : public Locale::facet {
explicit format_facet ( string_view sep = " " , std : : string grouping = " \3 " ,
std : : string decimal_point = " . " )
: separator_ ( sep . data ( ) , sep . size ( ) ) ,
grouping_ ( ) ,
decimal_point_ ( ) { }
grouping_ ( std: : move ( grouping) ) ,
decimal_point_ ( std: : move ( decimal_point) ) { }
auto put ( appender out , loc_value val , const format_specs & specs ) const
- > bool {
@ -3943,12 +3967,6 @@ template <typename Char, typename Traits, typename Allocator>
class formatter < std : : basic_string < Char , Traits , Allocator > , Char >
: public formatter < basic_string_view < Char > , Char > { } ;
template < int N , typename Char >
struct formatter < detail : : bitint < N > , Char > : formatter < long long , Char > { } ;
template < int N , typename Char >
struct formatter < detail : : ubitint < N > , Char >
: formatter < unsigned long long , Char > { } ;
template < typename Char >
struct formatter < detail : : float128 , Char >
: detail : : native_formatter < detail : : float128 , Char ,
@ -3997,19 +4015,6 @@ constexpr auto format_as(Enum e) noexcept -> underlying_t<Enum> {
}
} // namespace enums
# ifdef __cpp_lib_byte
template < typename Char >
struct formatter < std : : byte , Char > : formatter < unsigned , Char > {
static auto format_as ( std : : byte b ) - > unsigned char {
return static_cast < unsigned char > ( b ) ;
}
template < typename Context >
auto format ( std : : byte b , Context & ctx ) const - > decltype ( ctx . out ( ) ) {
return formatter < unsigned , Char > : : format ( format_as ( b ) , ctx ) ;
}
} ;
# endif
struct bytes {
string_view data ;
@ -4142,6 +4147,14 @@ template <typename T, typename Char = char> struct nested_formatter {
inline namespace literals {
# if FMT_USE_NONTYPE_TEMPLATE_ARGS
/**
* User - defined literal equivalent of ` fmt : : arg ` , but with compile - time checks .
*
* * * Example * * :
*
* using namespace fmt : : literals ;
* fmt : : print ( " The answer is {answer}. " , " answer " _a = 42 ) ;
*/
template < detail : : fixed_string S > constexpr auto operator " " _a ( ) {
using char_t = remove_cvref_t < decltype ( * S . data ) > ;
return detail : : udl_arg < char_t , sizeof ( S . data ) / sizeof ( char_t ) , S > ( ) ;
@ -4166,7 +4179,7 @@ class format_int {
private :
// Buffer should be large enough to hold all digits (digits10 + 1),
// a sign and a null character.
enum { buffer_size = std : : numeric_limits < unsigned long > : : digits10 + 3 } ;
enum { buffer_size = std : : numeric_limits < ul > : : digits10 + 3 } ;
mutable char buffer_ [ buffer_size ] ;
char * str_ ;
@ -4196,7 +4209,7 @@ class format_int {
: str_ ( format_unsigned ( value ) ) { }
FMT_CONSTEXPR20 explicit format_int ( unsigned long value )
: str_ ( format_unsigned ( value ) ) { }
FMT_CONSTEXPR20 explicit format_int ( unsigned long value )
FMT_CONSTEXPR20 explicit format_int ( ul value )
: str_ ( format_unsigned ( value ) ) { }
/// Returns the number of characters written to the output buffer.
@ -4248,7 +4261,11 @@ class format_int {
* // A compile-time error because 'd' is an invalid specifier for strings.
* std : : string s = fmt : : format ( FMT_STRING ( " {:d} " ) , " foo " ) ;
*/
# define FMT_STRING(s) FMT_STRING_IMPL(s, fmt::detail::compile_string)
# if FMT_USE_CONSTEVAL
# define FMT_STRING(s) s
# else
# define FMT_STRING(s) FMT_STRING_IMPL(s, fmt::detail::compile_string)
# endif // FMT_USE_CONSTEVAL
FMT_API auto vsystem_error ( int error_code , string_view fmt , format_args args )
- > std : : system_error ;
Stenzek
1 month ago