diff options
Diffstat (limited to 'source/extern/fmt/format-inl.h')
-rw-r--r-- | source/extern/fmt/format-inl.h | 189 |
1 files changed, 93 insertions, 96 deletions
diff --git a/source/extern/fmt/format-inl.h b/source/extern/fmt/format-inl.h index 5bae3c7..efac5d1 100644 --- a/source/extern/fmt/format-inl.h +++ b/source/extern/fmt/format-inl.h @@ -18,7 +18,7 @@ # include <locale> #endif -#ifdef _WIN32 +#if defined(_WIN32) && !defined(FMT_WINDOWS_NO_WCHAR) # include <io.h> // _isatty #endif @@ -58,8 +58,8 @@ FMT_FUNC void format_error_code(detail::buffer<char>& out, int error_code, error_code_size += detail::to_unsigned(detail::count_digits(abs_value)); auto it = buffer_appender<char>(out); if (message.size() <= inline_buffer_size - error_code_size) - format_to(it, FMT_STRING("{}{}"), message, SEP); - format_to(it, FMT_STRING("{}{}"), ERROR_STR, error_code); + fmt::format_to(it, FMT_STRING("{}{}"), message, SEP); + fmt::format_to(it, FMT_STRING("{}{}"), ERROR_STR, error_code); FMT_ASSERT(out.size() <= inline_buffer_size, ""); } @@ -73,9 +73,8 @@ FMT_FUNC void report_error(format_func func, int error_code, } // A wrapper around fwrite that throws on error. -inline void fwrite_fully(const void* ptr, size_t size, size_t count, - FILE* stream) { - size_t written = std::fwrite(ptr, size, count, stream); +inline void fwrite_fully(const void* ptr, size_t count, FILE* stream) { + size_t written = std::fwrite(ptr, 1, count, stream); if (written < count) FMT_THROW(system_error(errno, FMT_STRING("cannot write to file"))); } @@ -86,7 +85,7 @@ locale_ref::locale_ref(const Locale& loc) : locale_(&loc) { static_assert(std::is_same<Locale, std::locale>::value, ""); } -template <typename Locale> Locale locale_ref::get() const { +template <typename Locale> auto locale_ref::get() const -> Locale { static_assert(std::is_same<Locale, std::locale>::value, ""); return locale_ ? *static_cast<const std::locale*>(locale_) : std::locale(); } @@ -98,7 +97,8 @@ FMT_FUNC auto thousands_sep_impl(locale_ref loc) -> thousands_sep_result<Char> { auto thousands_sep = grouping.empty() ? Char() : facet.thousands_sep(); return {std::move(grouping), thousands_sep}; } -template <typename Char> FMT_FUNC Char decimal_point_impl(locale_ref loc) { +template <typename Char> +FMT_FUNC auto decimal_point_impl(locale_ref loc) -> Char { return std::use_facet<std::numpunct<Char>>(loc.get<std::locale>()) .decimal_point(); } @@ -144,24 +144,25 @@ FMT_API FMT_FUNC auto format_facet<std::locale>::do_put( } #endif -FMT_FUNC std::system_error vsystem_error(int error_code, string_view fmt, - format_args args) { +FMT_FUNC auto vsystem_error(int error_code, string_view fmt, format_args args) + -> std::system_error { auto ec = std::error_code(error_code, std::generic_category()); return std::system_error(ec, vformat(fmt, args)); } namespace detail { -template <typename F> inline bool operator==(basic_fp<F> x, basic_fp<F> y) { +template <typename F> +inline auto operator==(basic_fp<F> x, basic_fp<F> y) -> bool { return x.f == y.f && x.e == y.e; } // Compilers should be able to optimize this into the ror instruction. -FMT_CONSTEXPR inline uint32_t rotr(uint32_t n, uint32_t r) noexcept { +FMT_CONSTEXPR inline auto rotr(uint32_t n, uint32_t r) noexcept -> uint32_t { r &= 31; return (n >> r) | (n << (32 - r)); } -FMT_CONSTEXPR inline uint64_t rotr(uint64_t n, uint32_t r) noexcept { +FMT_CONSTEXPR inline auto rotr(uint64_t n, uint32_t r) noexcept -> uint64_t { r &= 63; return (n >> r) | (n << (64 - r)); } @@ -170,14 +171,14 @@ FMT_CONSTEXPR inline uint64_t rotr(uint64_t n, uint32_t r) noexcept { namespace dragonbox { // Computes upper 64 bits of multiplication of a 32-bit unsigned integer and a // 64-bit unsigned integer. -inline uint64_t umul96_upper64(uint32_t x, uint64_t y) noexcept { +inline auto umul96_upper64(uint32_t x, uint64_t y) noexcept -> uint64_t { return umul128_upper64(static_cast<uint64_t>(x) << 32, y); } // Computes lower 128 bits of multiplication of a 64-bit unsigned integer and a // 128-bit unsigned integer. -inline uint128_fallback umul192_lower128(uint64_t x, - uint128_fallback y) noexcept { +inline auto umul192_lower128(uint64_t x, uint128_fallback y) noexcept + -> uint128_fallback { uint64_t high = x * y.high(); uint128_fallback high_low = umul128(x, y.low()); return {high + high_low.high(), high_low.low()}; @@ -185,12 +186,12 @@ inline uint128_fallback umul192_lower128(uint64_t x, // Computes lower 64 bits of multiplication of a 32-bit unsigned integer and a // 64-bit unsigned integer. -inline uint64_t umul96_lower64(uint32_t x, uint64_t y) noexcept { +inline auto umul96_lower64(uint32_t x, uint64_t y) noexcept -> uint64_t { return x * y; } // Various fast log computations. -inline int floor_log10_pow2_minus_log10_4_over_3(int e) noexcept { +inline auto floor_log10_pow2_minus_log10_4_over_3(int e) noexcept -> int { FMT_ASSERT(e <= 2936 && e >= -2985, "too large exponent"); return (e * 631305 - 261663) >> 21; } @@ -204,7 +205,7 @@ FMT_INLINE_VARIABLE constexpr struct { // divisible by pow(10, N). // Precondition: n <= pow(10, N + 1). template <int N> -bool check_divisibility_and_divide_by_pow10(uint32_t& n) noexcept { +auto check_divisibility_and_divide_by_pow10(uint32_t& n) noexcept -> bool { // The numbers below are chosen such that: // 1. floor(n/d) = floor(nm / 2^k) where d=10 or d=100, // 2. nm mod 2^k < m if and only if n is divisible by d, @@ -229,7 +230,7 @@ bool check_divisibility_and_divide_by_pow10(uint32_t& n) noexcept { // Computes floor(n / pow(10, N)) for small n and N. // Precondition: n <= pow(10, N + 1). -template <int N> uint32_t small_division_by_pow10(uint32_t n) noexcept { +template <int N> auto small_division_by_pow10(uint32_t n) noexcept -> uint32_t { constexpr auto info = div_small_pow10_infos[N - 1]; FMT_ASSERT(n <= info.divisor * 10, "n is too large"); constexpr uint32_t magic_number = @@ -238,12 +239,12 @@ template <int N> uint32_t small_division_by_pow10(uint32_t n) noexcept { } // Computes floor(n / 10^(kappa + 1)) (float) -inline uint32_t divide_by_10_to_kappa_plus_1(uint32_t n) noexcept { +inline auto divide_by_10_to_kappa_plus_1(uint32_t n) noexcept -> uint32_t { // 1374389535 = ceil(2^37/100) return static_cast<uint32_t>((static_cast<uint64_t>(n) * 1374389535) >> 37); } // Computes floor(n / 10^(kappa + 1)) (double) -inline uint64_t divide_by_10_to_kappa_plus_1(uint64_t n) noexcept { +inline auto divide_by_10_to_kappa_plus_1(uint64_t n) noexcept -> uint64_t { // 2361183241434822607 = ceil(2^(64+7)/1000) return umul128_upper64(n, 2361183241434822607ull) >> 7; } @@ -255,7 +256,7 @@ template <> struct cache_accessor<float> { using carrier_uint = float_info<float>::carrier_uint; using cache_entry_type = uint64_t; - static uint64_t get_cached_power(int k) noexcept { + static auto get_cached_power(int k) noexcept -> uint64_t { FMT_ASSERT(k >= float_info<float>::min_k && k <= float_info<float>::max_k, "k is out of range"); static constexpr const uint64_t pow10_significands[] = { @@ -297,20 +298,23 @@ template <> struct cache_accessor<float> { bool is_integer; }; - static compute_mul_result compute_mul( - carrier_uint u, const cache_entry_type& cache) noexcept { + static auto compute_mul(carrier_uint u, + const cache_entry_type& cache) noexcept + -> compute_mul_result { auto r = umul96_upper64(u, cache); return {static_cast<carrier_uint>(r >> 32), static_cast<carrier_uint>(r) == 0}; } - static uint32_t compute_delta(const cache_entry_type& cache, - int beta) noexcept { + static auto compute_delta(const cache_entry_type& cache, int beta) noexcept + -> uint32_t { return static_cast<uint32_t>(cache >> (64 - 1 - beta)); } - static compute_mul_parity_result compute_mul_parity( - carrier_uint two_f, const cache_entry_type& cache, int beta) noexcept { + static auto compute_mul_parity(carrier_uint two_f, + const cache_entry_type& cache, + int beta) noexcept + -> compute_mul_parity_result { FMT_ASSERT(beta >= 1, ""); FMT_ASSERT(beta < 64, ""); @@ -319,22 +323,22 @@ template <> struct cache_accessor<float> { static_cast<uint32_t>(r >> (32 - beta)) == 0}; } - static carrier_uint compute_left_endpoint_for_shorter_interval_case( - const cache_entry_type& cache, int beta) noexcept { + static auto compute_left_endpoint_for_shorter_interval_case( + const cache_entry_type& cache, int beta) noexcept -> carrier_uint { return static_cast<carrier_uint>( (cache - (cache >> (num_significand_bits<float>() + 2))) >> (64 - num_significand_bits<float>() - 1 - beta)); } - static carrier_uint compute_right_endpoint_for_shorter_interval_case( - const cache_entry_type& cache, int beta) noexcept { + static auto compute_right_endpoint_for_shorter_interval_case( + const cache_entry_type& cache, int beta) noexcept -> carrier_uint { return static_cast<carrier_uint>( (cache + (cache >> (num_significand_bits<float>() + 1))) >> (64 - num_significand_bits<float>() - 1 - beta)); } - static carrier_uint compute_round_up_for_shorter_interval_case( - const cache_entry_type& cache, int beta) noexcept { + static auto compute_round_up_for_shorter_interval_case( + const cache_entry_type& cache, int beta) noexcept -> carrier_uint { return (static_cast<carrier_uint>( cache >> (64 - num_significand_bits<float>() - 2 - beta)) + 1) / @@ -346,7 +350,7 @@ template <> struct cache_accessor<double> { using carrier_uint = float_info<double>::carrier_uint; using cache_entry_type = uint128_fallback; - static uint128_fallback get_cached_power(int k) noexcept { + static auto get_cached_power(int k) noexcept -> uint128_fallback { FMT_ASSERT(k >= float_info<double>::min_k && k <= float_info<double>::max_k, "k is out of range"); @@ -985,8 +989,7 @@ template <> struct cache_accessor<double> { {0xe0accfa875af45a7, 0x93eb1b80a33b8606}, {0x8c6c01c9498d8b88, 0xbc72f130660533c4}, {0xaf87023b9bf0ee6a, 0xeb8fad7c7f8680b5}, - { 0xdb68c2ca82ed2a05, - 0xa67398db9f6820e2 } + {0xdb68c2ca82ed2a05, 0xa67398db9f6820e2}, #else {0xff77b1fcbebcdc4f, 0x25e8e89c13bb0f7b}, {0xce5d73ff402d98e3, 0xfb0a3d212dc81290}, @@ -1071,19 +1074,22 @@ template <> struct cache_accessor<double> { bool is_integer; }; - static compute_mul_result compute_mul( - carrier_uint u, const cache_entry_type& cache) noexcept { + static auto compute_mul(carrier_uint u, + const cache_entry_type& cache) noexcept + -> compute_mul_result { auto r = umul192_upper128(u, cache); return {r.high(), r.low() == 0}; } - static uint32_t compute_delta(cache_entry_type const& cache, - int beta) noexcept { + static auto compute_delta(cache_entry_type const& cache, int beta) noexcept + -> uint32_t { return static_cast<uint32_t>(cache.high() >> (64 - 1 - beta)); } - static compute_mul_parity_result compute_mul_parity( - carrier_uint two_f, const cache_entry_type& cache, int beta) noexcept { + static auto compute_mul_parity(carrier_uint two_f, + const cache_entry_type& cache, + int beta) noexcept + -> compute_mul_parity_result { FMT_ASSERT(beta >= 1, ""); FMT_ASSERT(beta < 64, ""); @@ -1092,35 +1098,35 @@ template <> struct cache_accessor<double> { ((r.high() << beta) | (r.low() >> (64 - beta))) == 0}; } - static carrier_uint compute_left_endpoint_for_shorter_interval_case( - const cache_entry_type& cache, int beta) noexcept { + static auto compute_left_endpoint_for_shorter_interval_case( + const cache_entry_type& cache, int beta) noexcept -> carrier_uint { return (cache.high() - (cache.high() >> (num_significand_bits<double>() + 2))) >> (64 - num_significand_bits<double>() - 1 - beta); } - static carrier_uint compute_right_endpoint_for_shorter_interval_case( - const cache_entry_type& cache, int beta) noexcept { + static auto compute_right_endpoint_for_shorter_interval_case( + const cache_entry_type& cache, int beta) noexcept -> carrier_uint { return (cache.high() + (cache.high() >> (num_significand_bits<double>() + 1))) >> (64 - num_significand_bits<double>() - 1 - beta); } - static carrier_uint compute_round_up_for_shorter_interval_case( - const cache_entry_type& cache, int beta) noexcept { + static auto compute_round_up_for_shorter_interval_case( + const cache_entry_type& cache, int beta) noexcept -> carrier_uint { return ((cache.high() >> (64 - num_significand_bits<double>() - 2 - beta)) + 1) / 2; } }; -FMT_FUNC uint128_fallback get_cached_power(int k) noexcept { +FMT_FUNC auto get_cached_power(int k) noexcept -> uint128_fallback { return cache_accessor<double>::get_cached_power(k); } // Various integer checks template <typename T> -bool is_left_endpoint_integer_shorter_interval(int exponent) noexcept { +auto is_left_endpoint_integer_shorter_interval(int exponent) noexcept -> bool { const int case_shorter_interval_left_endpoint_lower_threshold = 2; const int case_shorter_interval_left_endpoint_upper_threshold = 3; return exponent >= case_shorter_interval_left_endpoint_lower_threshold && @@ -1128,16 +1134,12 @@ bool is_left_endpoint_integer_shorter_interval(int exponent) noexcept { } // Remove trailing zeros from n and return the number of zeros removed (float) -FMT_INLINE int remove_trailing_zeros(uint32_t& n) noexcept { +FMT_INLINE int remove_trailing_zeros(uint32_t& n, int s = 0) noexcept { FMT_ASSERT(n != 0, ""); // Modular inverse of 5 (mod 2^32): (mod_inv_5 * 5) mod 2^32 = 1. - // See https://github.com/fmtlib/fmt/issues/3163 for more details. - const uint32_t mod_inv_5 = 0xcccccccd; - // Casts are needed to workaround a bug in MSVC 19.22 and older. - const uint32_t mod_inv_25 = - static_cast<uint32_t>(uint64_t(mod_inv_5) * mod_inv_5); + constexpr uint32_t mod_inv_5 = 0xcccccccd; + constexpr uint32_t mod_inv_25 = 0xc28f5c29; // = mod_inv_5 * mod_inv_5 - int s = 0; while (true) { auto q = rotr(n * mod_inv_25, 2); if (q > max_value<uint32_t>() / 100) break; @@ -1162,32 +1164,17 @@ FMT_INLINE int remove_trailing_zeros(uint64_t& n) noexcept { // Is n is divisible by 10^8? if ((nm.high() & ((1ull << (90 - 64)) - 1)) == 0 && nm.low() < magic_number) { - // If yes, work with the quotient. + // If yes, work with the quotient... auto n32 = static_cast<uint32_t>(nm.high() >> (90 - 64)); - - const uint32_t mod_inv_5 = 0xcccccccd; - const uint32_t mod_inv_25 = mod_inv_5 * mod_inv_5; - - int s = 8; - while (true) { - auto q = rotr(n32 * mod_inv_25, 2); - if (q > max_value<uint32_t>() / 100) break; - n32 = q; - s += 2; - } - auto q = rotr(n32 * mod_inv_5, 1); - if (q <= max_value<uint32_t>() / 10) { - n32 = q; - s |= 1; - } - + // ... and use the 32 bit variant of the function + int s = remove_trailing_zeros(n32, 8); n = n32; return s; } // If n is not divisible by 10^8, work with n itself. - const uint64_t mod_inv_5 = 0xcccccccccccccccd; - const uint64_t mod_inv_25 = mod_inv_5 * mod_inv_5; + constexpr uint64_t mod_inv_5 = 0xcccccccccccccccd; + constexpr uint64_t mod_inv_25 = 0x8f5c28f5c28f5c29; // mod_inv_5 * mod_inv_5 int s = 0; while (true) { @@ -1253,7 +1240,7 @@ FMT_INLINE decimal_fp<T> shorter_interval_case(int exponent) noexcept { return ret_value; } -template <typename T> decimal_fp<T> to_decimal(T x) noexcept { +template <typename T> auto to_decimal(T x) noexcept -> decimal_fp<T> { // Step 1: integer promotion & Schubfach multiplier calculation. using carrier_uint = typename float_info<T>::carrier_uint; @@ -1392,15 +1379,15 @@ template <> struct formatter<detail::bigint> { for (auto i = n.bigits_.size(); i > 0; --i) { auto value = n.bigits_[i - 1u]; if (first) { - out = format_to(out, FMT_STRING("{:x}"), value); + out = fmt::format_to(out, FMT_STRING("{:x}"), value); first = false; continue; } - out = format_to(out, FMT_STRING("{:08x}"), value); + out = fmt::format_to(out, FMT_STRING("{:08x}"), value); } if (n.exp_ > 0) - out = format_to(out, FMT_STRING("p{}"), - n.exp_ * detail::bigint::bigit_bits); + out = fmt::format_to(out, FMT_STRING("p{}"), + n.exp_ * detail::bigint::bigit_bits); return out; } }; @@ -1436,7 +1423,7 @@ FMT_FUNC void report_system_error(int error_code, report_error(format_system_error, error_code, message); } -FMT_FUNC std::string vformat(string_view fmt, format_args args) { +FMT_FUNC auto vformat(string_view fmt, format_args args) -> std::string { // Don't optimize the "{}" case to keep the binary size small and because it // can be better optimized in fmt::format anyway. auto buffer = memory_buffer(); @@ -1445,33 +1432,43 @@ FMT_FUNC std::string vformat(string_view fmt, format_args args) { } namespace detail { -#ifndef _WIN32 -FMT_FUNC bool write_console(std::FILE*, string_view) { return false; } +#if !defined(_WIN32) || defined(FMT_WINDOWS_NO_WCHAR) +FMT_FUNC auto write_console(int, string_view) -> bool { return false; } +FMT_FUNC auto write_console(std::FILE*, string_view) -> bool { return false; } #else using dword = conditional_t<sizeof(long) == 4, unsigned long, unsigned>; extern "C" __declspec(dllimport) int __stdcall WriteConsoleW( // void*, const void*, dword, dword*, void*); -FMT_FUNC bool write_console(std::FILE* f, string_view text) { - auto fd = _fileno(f); - if (!_isatty(fd)) return false; +FMT_FUNC bool write_console(int fd, string_view text) { auto u16 = utf8_to_utf16(text); - auto written = dword(); return WriteConsoleW(reinterpret_cast<void*>(_get_osfhandle(fd)), u16.c_str(), - static_cast<uint32_t>(u16.size()), &written, nullptr); + static_cast<dword>(u16.size()), nullptr, nullptr) != 0; } +FMT_FUNC auto write_console(std::FILE* f, string_view text) -> bool { + return write_console(_fileno(f), text); +} +#endif + +#ifdef _WIN32 // Print assuming legacy (non-Unicode) encoding. FMT_FUNC void vprint_mojibake(std::FILE* f, string_view fmt, format_args args) { auto buffer = memory_buffer(); - detail::vformat_to(buffer, fmt, - basic_format_args<buffer_context<char>>(args)); - fwrite_fully(buffer.data(), 1, buffer.size(), f); + detail::vformat_to(buffer, fmt, args); + fwrite_fully(buffer.data(), buffer.size(), f); } #endif FMT_FUNC void print(std::FILE* f, string_view text) { - if (!write_console(f, text)) fwrite_fully(text.data(), 1, text.size(), f); +#ifdef _WIN32 + int fd = _fileno(f); + if (_isatty(fd)) { + std::fflush(f); + if (write_console(fd, text)) return; + } +#endif + fwrite_fully(text.data(), text.size(), f); } } // namespace detail |