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fmt: Bump to version v10.1.1

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This commit is contained in:
Stenzek
2023-11-28 13:52:27 +10:00
parent 333c9fdf6f
commit 7fe3bfece0
22 changed files with 4603 additions and 3413 deletions
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2
dep/fmt/include/fmt/args.h
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@ -1,4 +1,4 @@
// Formatting library for C++ - dynamic format arguments
// Formatting library for C++ - dynamic argument lists
//
// Copyright (c) 2012 - present, Victor Zverovich
// All rights reserved.

810
dep/fmt/include/fmt/chrono.h
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57
dep/fmt/include/fmt/color.h
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@ -11,7 +11,7 @@
#include "format.h"
FMT_BEGIN_NAMESPACE
FMT_MODULE_EXPORT_BEGIN
FMT_BEGIN_EXPORT
enum class color : uint32_t {
alice_blue = 0xF0F8FF, // rgb(240,248,255)
@ -203,7 +203,7 @@ struct rgb {
uint8_t b;
};
FMT_BEGIN_DETAIL_NAMESPACE
namespace detail {
// color is a struct of either a rgb color or a terminal color.
struct color_type {
@ -225,8 +225,7 @@ struct color_type {
uint32_t rgb_color;
} value;
};
FMT_END_DETAIL_NAMESPACE
} // namespace detail
/** A text style consisting of foreground and background colors and emphasis. */
class text_style {
@ -323,7 +322,7 @@ FMT_CONSTEXPR inline text_style operator|(emphasis lhs, emphasis rhs) noexcept {
return text_style(lhs) | rhs;
}
FMT_BEGIN_DETAIL_NAMESPACE
namespace detail {
template <typename Char> struct ansi_color_escape {
FMT_CONSTEXPR ansi_color_escape(detail::color_type text_color,
@ -423,26 +422,6 @@ FMT_CONSTEXPR ansi_color_escape<Char> make_emphasis(emphasis em) noexcept {
return ansi_color_escape<Char>(em);
}
template <typename Char> inline void fputs(const Char* chars, FILE* stream) {
int result = std::fputs(chars, stream);
if (result < 0)
FMT_THROW(system_error(errno, FMT_STRING("cannot write to file")));
}
template <> inline void fputs<wchar_t>(const wchar_t* chars, FILE* stream) {
int result = std::fputws(chars, stream);
if (result < 0)
FMT_THROW(system_error(errno, FMT_STRING("cannot write to file")));
}
template <typename Char> inline void reset_color(FILE* stream) {
fputs("\x1b[0m", stream);
}
template <> inline void reset_color<wchar_t>(FILE* stream) {
fputs(L"\x1b[0m", stream);
}
template <typename Char> inline void reset_color(buffer<Char>& buffer) {
auto reset_color = string_view("\x1b[0m");
buffer.append(reset_color.begin(), reset_color.end());
@ -477,19 +456,21 @@ void vformat_to(buffer<Char>& buf, const text_style& ts,
if (has_style) detail::reset_color<Char>(buf);
}
FMT_END_DETAIL_NAMESPACE
} // namespace detail
template <typename S, typename Char = char_t<S>>
void vprint(std::FILE* f, const text_style& ts, const S& format,
basic_format_args<buffer_context<type_identity_t<Char>>> args) {
basic_memory_buffer<Char> buf;
detail::vformat_to(buf, ts, detail::to_string_view(format), args);
inline void vprint(std::FILE* f, const text_style& ts, string_view fmt,
format_args args) {
// Legacy wide streams are not supported.
auto buf = memory_buffer();
detail::vformat_to(buf, ts, fmt, args);
if (detail::is_utf8()) {
detail::print(f, basic_string_view<Char>(buf.begin(), buf.size()));
} else {
buf.push_back(Char(0));
detail::fputs(buf.data(), f);
detail::print(f, string_view(buf.begin(), buf.size()));
return;
}
buf.push_back('\0');
int result = std::fputs(buf.data(), f);
if (result < 0)
FMT_THROW(system_error(errno, FMT_STRING("cannot write to file")));
}
/**
@ -566,7 +547,7 @@ OutputIt vformat_to(
basic_format_args<buffer_context<type_identity_t<Char>>> args) {
auto&& buf = detail::get_buffer<Char>(out);
detail::vformat_to(buf, ts, format_str, args);
return detail::get_iterator(buf);
return detail::get_iterator(buf, out);
}
/**
@ -634,7 +615,7 @@ struct formatter<detail::styled_arg<T>, Char> : formatter<T, Char> {
**Example**::
fmt::print("Elapsed time: {s:.2f} seconds",
fmt::print("Elapsed time: {0:.2f} seconds",
fmt::styled(1.23, fmt::fg(fmt::color::green) |
fmt::bg(fmt::color::blue)));
\endrst
@ -645,7 +626,7 @@ FMT_CONSTEXPR auto styled(const T& value, text_style ts)
return detail::styled_arg<remove_cvref_t<T>>{value, ts};
}
FMT_MODULE_EXPORT_END
FMT_END_EXPORT
FMT_END_NAMESPACE
#endif // FMT_COLOR_H_

157
dep/fmt/include/fmt/compile.h
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@ -14,89 +14,11 @@ FMT_BEGIN_NAMESPACE
namespace detail {
template <typename Char, typename InputIt>
inline counting_iterator copy_str(InputIt begin, InputIt end,
counting_iterator it) {
FMT_CONSTEXPR inline counting_iterator copy_str(InputIt begin, InputIt end,
counting_iterator it) {
return it + (end - begin);
}
template <typename OutputIt> class truncating_iterator_base {
protected:
OutputIt out_;
size_t limit_;
size_t count_ = 0;
truncating_iterator_base() : out_(), limit_(0) {}
truncating_iterator_base(OutputIt out, size_t limit)
: out_(out), limit_(limit) {}
public:
using iterator_category = std::output_iterator_tag;
using value_type = typename std::iterator_traits<OutputIt>::value_type;
using difference_type = std::ptrdiff_t;
using pointer = void;
using reference = void;
FMT_UNCHECKED_ITERATOR(truncating_iterator_base);
OutputIt base() const { return out_; }
size_t count() const { return count_; }
};
// An output iterator that truncates the output and counts the number of objects
// written to it.
template <typename OutputIt,
typename Enable = typename std::is_void<
typename std::iterator_traits<OutputIt>::value_type>::type>
class truncating_iterator;
template <typename OutputIt>
class truncating_iterator<OutputIt, std::false_type>
: public truncating_iterator_base<OutputIt> {
mutable typename truncating_iterator_base<OutputIt>::value_type blackhole_;
public:
using value_type = typename truncating_iterator_base<OutputIt>::value_type;
truncating_iterator() = default;
truncating_iterator(OutputIt out, size_t limit)
: truncating_iterator_base<OutputIt>(out, limit) {}
truncating_iterator& operator++() {
if (this->count_++ < this->limit_) ++this->out_;
return *this;
}
truncating_iterator operator++(int) {
auto it = *this;
++*this;
return it;
}
value_type& operator*() const {
return this->count_ < this->limit_ ? *this->out_ : blackhole_;
}
};
template <typename OutputIt>
class truncating_iterator<OutputIt, std::true_type>
: public truncating_iterator_base<OutputIt> {
public:
truncating_iterator() = default;
truncating_iterator(OutputIt out, size_t limit)
: truncating_iterator_base<OutputIt>(out, limit) {}
template <typename T> truncating_iterator& operator=(T val) {
if (this->count_++ < this->limit_) *this->out_++ = val;
return *this;
}
truncating_iterator& operator++() { return *this; }
truncating_iterator& operator++(int) { return *this; }
truncating_iterator& operator*() { return *this; }
};
// A compile-time string which is compiled into fast formatting code.
class compiled_string {};
@ -196,7 +118,8 @@ template <typename Char> struct code_unit {
template <typename OutputIt, typename... Args>
constexpr OutputIt format(OutputIt out, const Args&...) const {
return write<Char>(out, value);
*out++ = value;
return out;
}
};
@ -220,7 +143,12 @@ template <typename Char, typename T, int N> struct field {
template <typename OutputIt, typename... Args>
constexpr OutputIt format(OutputIt out, const Args&... args) const {
return write<Char>(out, get_arg_checked<T, N>(args...));
const T& arg = get_arg_checked<T, N>(args...);
if constexpr (std::is_convertible_v<T, basic_string_view<Char>>) {
auto s = basic_string_view<Char>(arg);
return copy_str<Char>(s.begin(), s.end(), out);
}
return write<Char>(out, arg);
}
};
@ -331,39 +259,35 @@ template <typename T, typename Char> struct parse_specs_result {
int next_arg_id;
};
constexpr int manual_indexing_id = -1;
enum { manual_indexing_id = -1 };
template <typename T, typename Char>
constexpr parse_specs_result<T, Char> parse_specs(basic_string_view<Char> str,
size_t pos, int next_arg_id) {
str.remove_prefix(pos);
auto ctx = compile_parse_context<Char>(str, max_value<int>(), nullptr, {},
next_arg_id);
auto ctx =
compile_parse_context<Char>(str, max_value<int>(), nullptr, next_arg_id);
auto f = formatter<T, Char>();
auto end = f.parse(ctx);
return {f, pos + fmt::detail::to_unsigned(end - str.data()) + 1,
return {f, pos + fmt::detail::to_unsigned(end - str.data()),
next_arg_id == 0 ? manual_indexing_id : ctx.next_arg_id()};
}
template <typename Char> struct arg_id_handler {
arg_ref<Char> arg_id;
constexpr int operator()() {
constexpr int on_auto() {
FMT_ASSERT(false, "handler cannot be used with automatic indexing");
return 0;
}
constexpr int operator()(int id) {
constexpr int on_index(int id) {
arg_id = arg_ref<Char>(id);
return 0;
}
constexpr int operator()(basic_string_view<Char> id) {
constexpr int on_name(basic_string_view<Char> id) {
arg_id = arg_ref<Char>(id);
return 0;
}
constexpr void on_error(const char* message) {
FMT_THROW(format_error(message));
}
};
template <typename Char> struct parse_arg_id_result {
@ -397,13 +321,20 @@ constexpr auto parse_replacement_field_then_tail(S format_str) {
return parse_tail<Args, END_POS + 1, NEXT_ID>(
field<char_type, typename field_type<T>::type, ARG_INDEX>(),
format_str);
} else if constexpr (c == ':') {
} else if constexpr (c != ':') {
FMT_THROW(format_error("expected ':'"));
} else {
constexpr auto result = parse_specs<typename field_type<T>::type>(
str, END_POS + 1, NEXT_ID == manual_indexing_id ? 0 : NEXT_ID);
return parse_tail<Args, result.end, result.next_arg_id>(
spec_field<char_type, typename field_type<T>::type, ARG_INDEX>{
result.fmt},
format_str);
if constexpr (result.end >= str.size() || str[result.end] != '}') {
FMT_THROW(format_error("expected '}'"));
return 0;
} else {
return parse_tail<Args, result.end + 1, result.next_arg_id>(
spec_field<char_type, typename field_type<T>::type, ARG_INDEX>{
result.fmt},
format_str);
}
}
}
@ -445,20 +376,18 @@ constexpr auto compile_format_string(S format_str) {
} else if constexpr (arg_id_result.arg_id.kind == arg_id_kind::name) {
constexpr auto arg_index =
get_arg_index_by_name(arg_id_result.arg_id.val.name, Args{});
if constexpr (arg_index != invalid_arg_index) {
if constexpr (arg_index >= 0) {
constexpr auto next_id =
ID != manual_indexing_id ? ID + 1 : manual_indexing_id;
return parse_replacement_field_then_tail<
decltype(get_type<arg_index, Args>::value), Args, arg_id_end_pos,
arg_index, next_id>(format_str);
} else {
if constexpr (c == '}') {
return parse_tail<Args, arg_id_end_pos + 1, ID>(
runtime_named_field<char_type>{arg_id_result.arg_id.val.name},
format_str);
} else if constexpr (c == ':') {
return unknown_format(); // no type info for specs parsing
}
} else if constexpr (c == '}') {
return parse_tail<Args, arg_id_end_pos + 1, ID>(
runtime_named_field<char_type>{arg_id_result.arg_id.val.name},
format_str);
} else if constexpr (c == ':') {
return unknown_format(); // no type info for specs parsing
}
}
}
@ -494,7 +423,7 @@ constexpr auto compile(S format_str) {
#endif // defined(__cpp_if_constexpr) && defined(__cpp_return_type_deduction)
} // namespace detail
FMT_MODULE_EXPORT_BEGIN
FMT_BEGIN_EXPORT
#if defined(__cpp_if_constexpr) && defined(__cpp_return_type_deduction)
@ -561,14 +490,16 @@ template <typename OutputIt, typename S, typename... Args,
FMT_ENABLE_IF(detail::is_compiled_string<S>::value)>
format_to_n_result<OutputIt> format_to_n(OutputIt out, size_t n,
const S& format_str, Args&&... args) {
auto it = fmt::format_to(detail::truncating_iterator<OutputIt>(out, n),
format_str, std::forward<Args>(args)...);
return {it.base(), it.count()};
using traits = detail::fixed_buffer_traits;
auto buf = detail::iterator_buffer<OutputIt, char, traits>(out, n);
format_to(std::back_inserter(buf), format_str, std::forward<Args>(args)...);
return {buf.out(), buf.count()};
}
template <typename S, typename... Args,
FMT_ENABLE_IF(detail::is_compiled_string<S>::value)>
size_t formatted_size(const S& format_str, const Args&... args) {
FMT_CONSTEXPR20 size_t formatted_size(const S& format_str,
const Args&... args) {
return fmt::format_to(detail::counting_iterator(), format_str, args...)
.count();
}
@ -597,7 +528,7 @@ template <detail_exported::fixed_string Str> constexpr auto operator""_cf() {
} // namespace literals
#endif
FMT_MODULE_EXPORT_END
FMT_END_EXPORT
FMT_END_NAMESPACE
#endif // FMT_COMPILE_H_

1830
dep/fmt/include/fmt/core.h
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271
dep/fmt/include/fmt/format-inl.h
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@ -9,13 +9,9 @@
#define FMT_FORMAT_INL_H_
#include <algorithm>
#include <cctype>
#include <cerrno> // errno
#include <climits>
#include <cmath>
#include <cstdarg>
#include <cstring> // std::memmove
#include <cwchar>
#include <exception>
#ifndef FMT_STATIC_THOUSANDS_SEPARATOR
@ -115,16 +111,43 @@ template <typename Char> FMT_FUNC Char decimal_point_impl(locale_ref) {
return '.';
}
#endif
FMT_FUNC auto write_loc(appender out, loc_value value,
const format_specs<>& specs, locale_ref loc) -> bool {
#ifndef FMT_STATIC_THOUSANDS_SEPARATOR
auto locale = loc.get<std::locale>();
// We cannot use the num_put<char> facet because it may produce output in
// a wrong encoding.
using facet = format_facet<std::locale>;
if (std::has_facet<facet>(locale))
return std::use_facet<facet>(locale).put(out, value, specs);
return facet(locale).put(out, value, specs);
#endif
return false;
}
} // namespace detail
#if !FMT_MSC_VERSION
FMT_API FMT_FUNC format_error::~format_error() noexcept = default;
template <typename Locale> typename Locale::id format_facet<Locale>::id;
#ifndef FMT_STATIC_THOUSANDS_SEPARATOR
template <typename Locale> format_facet<Locale>::format_facet(Locale& loc) {
auto& numpunct = std::use_facet<std::numpunct<char>>(loc);
grouping_ = numpunct.grouping();
if (!grouping_.empty()) separator_ = std::string(1, numpunct.thousands_sep());
}
template <>
FMT_API FMT_FUNC auto format_facet<std::locale>::do_put(
appender out, loc_value val, const format_specs<>& specs) const -> bool {
return val.visit(
detail::loc_writer<>{out, specs, separator_, grouping_, decimal_point_});
}
#endif
FMT_FUNC std::system_error vsystem_error(int error_code, string_view format_str,
FMT_FUNC std::system_error vsystem_error(int error_code, string_view fmt,
format_args args) {
auto ec = std::error_code(error_code, std::generic_category());
return std::system_error(ec, vformat(format_str, args));
return std::system_error(ec, vformat(fmt, args));
}
namespace detail {
@ -143,58 +166,8 @@ FMT_CONSTEXPR inline uint64_t rotr(uint64_t n, uint32_t r) noexcept {
return (n >> r) | (n << (64 - r));
}
// Computes 128-bit result of multiplication of two 64-bit unsigned integers.
inline uint128_fallback umul128(uint64_t x, uint64_t y) noexcept {
#if FMT_USE_INT128
auto p = static_cast<uint128_opt>(x) * static_cast<uint128_opt>(y);
return {static_cast<uint64_t>(p >> 64), static_cast<uint64_t>(p)};
#elif defined(_MSC_VER) && defined(_M_X64)
auto result = uint128_fallback();
result.lo_ = _umul128(x, y, &result.hi_);
return result;
#else
const uint64_t mask = static_cast<uint64_t>(max_value<uint32_t>());
uint64_t a = x >> 32;
uint64_t b = x & mask;
uint64_t c = y >> 32;
uint64_t d = y & mask;
uint64_t ac = a * c;
uint64_t bc = b * c;
uint64_t ad = a * d;
uint64_t bd = b * d;
uint64_t intermediate = (bd >> 32) + (ad & mask) + (bc & mask);
return {ac + (intermediate >> 32) + (ad >> 32) + (bc >> 32),
(intermediate << 32) + (bd & mask)};
#endif
}
// Implementation of Dragonbox algorithm: https://github.com/jk-jeon/dragonbox.
namespace dragonbox {
// Computes upper 64 bits of multiplication of two 64-bit unsigned integers.
inline uint64_t umul128_upper64(uint64_t x, uint64_t y) noexcept {
#if FMT_USE_INT128
auto p = static_cast<uint128_opt>(x) * static_cast<uint128_opt>(y);
return static_cast<uint64_t>(p >> 64);
#elif defined(_MSC_VER) && defined(_M_X64)
return __umulh(x, y);
#else
return umul128(x, y).high();
#endif
}
// Computes upper 128 bits of multiplication of a 64-bit unsigned integer and a
// 128-bit unsigned integer.
inline uint128_fallback umul192_upper128(uint64_t x,
uint128_fallback y) noexcept {
uint128_fallback r = umul128(x, y.high());
r += umul128_upper64(x, y.low());
return r;
}
// 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 {
@ -216,25 +189,13 @@ inline uint64_t umul96_lower64(uint32_t x, uint64_t y) noexcept {
return x * y;
}
// Computes floor(log10(pow(2, e))) for e in [-2620, 2620] using the method from
// https://fmt.dev/papers/Dragonbox.pdf#page=28, section 6.1.
inline int floor_log10_pow2(int e) noexcept {
FMT_ASSERT(e <= 2620 && e >= -2620, "too large exponent");
static_assert((-1 >> 1) == -1, "right shift is not arithmetic");
return (e * 315653) >> 20;
}
// Various fast log computations.
inline int floor_log2_pow10(int e) noexcept {
FMT_ASSERT(e <= 1233 && e >= -1233, "too large exponent");
return (e * 1741647) >> 19;
}
inline int floor_log10_pow2_minus_log10_4_over_3(int e) noexcept {
FMT_ASSERT(e <= 2936 && e >= -2985, "too large exponent");
return (e * 631305 - 261663) >> 21;
}
static constexpr struct {
FMT_INLINE_VARIABLE constexpr struct {
uint32_t divisor;
int shift_amount;
} div_small_pow10_infos[] = {{10, 16}, {100, 16}};
@ -288,7 +249,7 @@ inline uint64_t divide_by_10_to_kappa_plus_1(uint64_t n) noexcept {
}
// Various subroutines using pow10 cache
template <class T> struct cache_accessor;
template <typename T> struct cache_accessor;
template <> struct cache_accessor<float> {
using carrier_uint = float_info<float>::carrier_uint;
@ -1009,8 +970,23 @@ template <> struct cache_accessor<double> {
{0xfcf62c1dee382c42, 0x46729e03dd9ed7b6},
{0x9e19db92b4e31ba9, 0x6c07a2c26a8346d2},
{0xc5a05277621be293, 0xc7098b7305241886},
{ 0xf70867153aa2db38,
0xb8cbee4fc66d1ea8 }
{0xf70867153aa2db38, 0xb8cbee4fc66d1ea8},
{0x9a65406d44a5c903, 0x737f74f1dc043329},
{0xc0fe908895cf3b44, 0x505f522e53053ff3},
{0xf13e34aabb430a15, 0x647726b9e7c68ff0},
{0x96c6e0eab509e64d, 0x5eca783430dc19f6},
{0xbc789925624c5fe0, 0xb67d16413d132073},
{0xeb96bf6ebadf77d8, 0xe41c5bd18c57e890},
{0x933e37a534cbaae7, 0x8e91b962f7b6f15a},
{0xb80dc58e81fe95a1, 0x723627bbb5a4adb1},
{0xe61136f2227e3b09, 0xcec3b1aaa30dd91d},
{0x8fcac257558ee4e6, 0x213a4f0aa5e8a7b2},
{0xb3bd72ed2af29e1f, 0xa988e2cd4f62d19e},
{0xe0accfa875af45a7, 0x93eb1b80a33b8606},
{0x8c6c01c9498d8b88, 0xbc72f130660533c4},
{0xaf87023b9bf0ee6a, 0xeb8fad7c7f8680b5},
{ 0xdb68c2ca82ed2a05,
0xa67398db9f6820e2 }
#else
{0xff77b1fcbebcdc4f, 0x25e8e89c13bb0f7b},
{0xce5d73ff402d98e3, 0xfb0a3d212dc81290},
@ -1034,8 +1010,8 @@ template <> struct cache_accessor<double> {
{0x8da471a9de737e24, 0x5ceaecfed289e5d3},
{0xe4d5e82392a40515, 0x0fabaf3feaa5334b},
{0xb8da1662e7b00a17, 0x3d6a751f3b936244},
{ 0x95527a5202df0ccb,
0x0f37801e0c43ebc9 }
{0x95527a5202df0ccb, 0x0f37801e0c43ebc9},
{0xf13e34aabb430a15, 0x647726b9e7c68ff0}
#endif
};
@ -1138,8 +1114,12 @@ template <> struct cache_accessor<double> {
}
};
FMT_FUNC uint128_fallback get_cached_power(int k) noexcept {
return cache_accessor<double>::get_cached_power(k);
}
// Various integer checks
template <class T>
template <typename T>
bool is_left_endpoint_integer_shorter_interval(int exponent) noexcept {
const int case_shorter_interval_left_endpoint_lower_threshold = 2;
const int case_shorter_interval_left_endpoint_upper_threshold = 3;
@ -1148,12 +1128,12 @@ 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, "");
const uint32_t mod_inv_5 = 0xcccccccd;
const uint32_t mod_inv_25 = mod_inv_5 * mod_inv_5;
// Modular inverse of 5 (mod 2^32): (mod_inv_5 * 5) mod 2^32 = 1.
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;
@ -1165,7 +1145,6 @@ FMT_INLINE int remove_trailing_zeros(uint32_t& n) noexcept {
n = q;
s |= 1;
}
return s;
}
@ -1179,32 +1158,17 @@ 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) {
@ -1223,7 +1187,7 @@ FMT_INLINE int remove_trailing_zeros(uint64_t& n) noexcept {
}
// The main algorithm for shorter interval case
template <class T>
template <typename T>
FMT_INLINE decimal_fp<T> shorter_interval_case(int exponent) noexcept {
decimal_fp<T> ret_value;
// Compute k and beta
@ -1337,7 +1301,7 @@ template <typename T> decimal_fp<T> to_decimal(T x) noexcept {
if (r < deltai) {
// Exclude the right endpoint if necessary.
if (r == 0 && z_mul.is_integer && !include_right_endpoint) {
if (r == 0 && (z_mul.is_integer & !include_right_endpoint)) {
--ret_value.significand;
r = float_info<T>::big_divisor;
goto small_divisor_case_label;
@ -1346,26 +1310,11 @@ template <typename T> decimal_fp<T> to_decimal(T x) noexcept {
goto small_divisor_case_label;
} else {
// r == deltai; compare fractional parts.
const carrier_uint two_fl = two_fc - 1;
const typename cache_accessor<T>::compute_mul_parity_result x_mul =
cache_accessor<T>::compute_mul_parity(two_fc - 1, cache, beta);
if (!include_left_endpoint ||
exponent < float_info<T>::case_fc_pm_half_lower_threshold ||
exponent > float_info<T>::divisibility_check_by_5_threshold) {
// If the left endpoint is not included, the condition for
// success is z^(f) < delta^(f) (odd parity).
// Otherwise, the inequalities on exponent ensure that
// x is not an integer, so if z^(f) >= delta^(f) (even parity), we in fact
// have strict inequality.
if (!cache_accessor<T>::compute_mul_parity(two_fl, cache, beta).parity) {
goto small_divisor_case_label;
}
} else {
const typename cache_accessor<T>::compute_mul_parity_result x_mul =
cache_accessor<T>::compute_mul_parity(two_fl, cache, beta);
if (!x_mul.parity && !x_mul.is_integer) {
goto small_divisor_case_label;
}
}
if (!(x_mul.parity | (x_mul.is_integer & include_left_endpoint)))
goto small_divisor_case_label;
}
ret_value.exponent = minus_k + float_info<T>::kappa + 1;
@ -1404,22 +1353,11 @@ small_divisor_case_label:
// or equivalently, when y is an integer.
if (y_mul.parity != approx_y_parity)
--ret_value.significand;
else if (y_mul.is_integer && ret_value.significand % 2 != 0)
else if (y_mul.is_integer & (ret_value.significand % 2 != 0))
--ret_value.significand;
return ret_value;
}
} // namespace dragonbox
#ifdef _MSC_VER
FMT_FUNC auto fmt_snprintf(char* buf, size_t size, const char* fmt, ...)
-> int {
auto args = va_list();
va_start(args, fmt);
int result = vsnprintf_s(buf, size, _TRUNCATE, fmt, args);
va_end(args);
return result;
}
#endif
} // namespace detail
template <> struct formatter<detail::bigint> {
@ -1428,9 +1366,8 @@ template <> struct formatter<detail::bigint> {
return ctx.begin();
}
template <typename FormatContext>
auto format(const detail::bigint& n, FormatContext& ctx) const ->
typename FormatContext::iterator {
auto format(const detail::bigint& n, format_context& ctx) const
-> format_context::iterator {
auto out = ctx.out();
bool first = true;
for (auto i = n.bigits_.size(); i > 0; --i) {
@ -1488,53 +1425,45 @@ FMT_FUNC std::string vformat(string_view fmt, format_args args) {
return to_string(buffer);
}
#ifdef _WIN32
namespace detail {
#ifndef _WIN32
FMT_FUNC bool write_console(std::FILE*, string_view) { 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*);
} // namespace detail
#endif
namespace detail {
FMT_FUNC void print(std::FILE* f, string_view text) {
#ifdef _WIN32
FMT_FUNC bool write_console(std::FILE* f, string_view text) {
auto fd = _fileno(f);
if (_isatty(fd)) {
detail::utf8_to_utf16 u16(string_view(text.data(), text.size()));
auto written = detail::dword();
if (detail::WriteConsoleW(reinterpret_cast<void*>(_get_osfhandle(fd)),
u16.c_str(), static_cast<uint32_t>(u16.size()),
&written, nullptr)) {
return;
}
// Fallback to fwrite on failure. It can happen if the output has been
// redirected to NUL.
}
#endif
detail::fwrite_fully(text.data(), 1, text.size(), f);
}
} // namespace detail
FMT_FUNC void vprint(std::FILE* f, string_view format_str, format_args args) {
memory_buffer buffer;
detail::vformat_to(buffer, format_str, args);
detail::print(f, {buffer.data(), buffer.size()});
if (!_isatty(fd)) return false;
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) != 0;
}
#ifdef _WIN32
// Print assuming legacy (non-Unicode) encoding.
FMT_FUNC void detail::vprint_mojibake(std::FILE* f, string_view format_str,
format_args args) {
memory_buffer buffer;
detail::vformat_to(buffer, format_str,
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);
}
#endif
FMT_FUNC void vprint(string_view format_str, format_args args) {
vprint(stdout, format_str, args);
FMT_FUNC void print(std::FILE* f, string_view text) {
if (!write_console(f, text)) fwrite_fully(text.data(), 1, text.size(), f);
}
} // namespace detail
FMT_FUNC void vprint(std::FILE* f, string_view fmt, format_args args) {
auto buffer = memory_buffer();
detail::vformat_to(buffer, fmt, args);
detail::print(f, {buffer.data(), buffer.size()});
}
FMT_FUNC void vprint(string_view fmt, format_args args) {
vprint(stdout, fmt, args);
}
namespace detail {

1956
dep/fmt/include/fmt/format.h
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File diff suppressed because it is too large Load Diff

115
dep/fmt/include/fmt/os.h
View File

@ -71,7 +71,7 @@
#define FMT_RETRY(result, expression) FMT_RETRY_VAL(result, expression, -1)
FMT_BEGIN_NAMESPACE
FMT_MODULE_EXPORT_BEGIN
FMT_BEGIN_EXPORT
/**
\rst
@ -120,51 +120,13 @@ template <typename Char> class basic_cstring_view {
using cstring_view = basic_cstring_view<char>;
using wcstring_view = basic_cstring_view<wchar_t>;
template <typename Char> struct formatter<std::error_code, Char> {
template <typename ParseContext>
FMT_CONSTEXPR auto parse(ParseContext& ctx) -> decltype(ctx.begin()) {
return ctx.begin();
}
template <typename FormatContext>
FMT_CONSTEXPR auto format(const std::error_code& ec, FormatContext& ctx) const
-> decltype(ctx.out()) {
auto out = ctx.out();
out = detail::write_bytes(out, ec.category().name(),
basic_format_specs<Char>());
out = detail::write<Char>(out, Char(':'));
out = detail::write<Char>(out, ec.value());
return out;
}
};
#ifdef _WIN32
FMT_API const std::error_category& system_category() noexcept;
FMT_BEGIN_DETAIL_NAMESPACE
// A converter from UTF-16 to UTF-8.
// It is only provided for Windows since other systems support UTF-8 natively.
class utf16_to_utf8 {
private:
memory_buffer buffer_;
public:
utf16_to_utf8() {}
FMT_API explicit utf16_to_utf8(basic_string_view<wchar_t> s);
operator string_view() const { return string_view(&buffer_[0], size()); }
size_t size() const { return buffer_.size() - 1; }
const char* c_str() const { return &buffer_[0]; }
std::string str() const { return std::string(&buffer_[0], size()); }
// Performs conversion returning a system error code instead of
// throwing exception on conversion error. This method may still throw
// in case of memory allocation error.
FMT_API int convert(basic_string_view<wchar_t> s);
};
namespace detail {
FMT_API void format_windows_error(buffer<char>& out, int error_code,
const char* message) noexcept;
FMT_END_DETAIL_NAMESPACE
}
FMT_API std::system_error vwindows_error(int error_code, string_view format_str,
format_args args);
@ -355,12 +317,18 @@ class FMT_API file {
// Creates a buffered_file object associated with this file and detaches
// this file object from the file.
buffered_file fdopen(const char* mode);
# if defined(_WIN32) && !defined(__MINGW32__)
// Opens a file and constructs a file object representing this file by
// wcstring_view filename. Windows only.
static file open_windows_file(wcstring_view path, int oflag);
# endif
};
// Returns the memory page size.
long getpagesize();
FMT_BEGIN_DETAIL_NAMESPACE
namespace detail {
struct buffer_size {
buffer_size() = default;
@ -397,56 +365,61 @@ struct ostream_params {
# endif
};
FMT_END_DETAIL_NAMESPACE
class file_buffer final : public buffer<char> {
file file_;
FMT_API void grow(size_t) override;
public:
FMT_API file_buffer(cstring_view path, const ostream_params& params);
FMT_API file_buffer(file_buffer&& other);
FMT_API ~file_buffer();
void flush() {
if (size() == 0) return;
file_.write(data(), size() * sizeof(data()[0]));
clear();
}
void close() {
flush();
file_.close();
}
};
} // namespace detail
// Added {} below to work around default constructor error known to
// occur in Xcode versions 7.2.1 and 8.2.1.
constexpr detail::buffer_size buffer_size{};
/** A fast output stream which is not thread-safe. */
class FMT_API ostream final : private detail::buffer<char> {
class FMT_API ostream {
private:
file file_;
void grow(size_t) override;
FMT_MSC_WARNING(suppress : 4251)
detail::file_buffer buffer_;
ostream(cstring_view path, const detail::ostream_params& params)
: file_(path, params.oflag) {
set(new char[params.buffer_size], params.buffer_size);
}
: buffer_(path, params) {}
public:
ostream(ostream&& other)
: detail::buffer<char>(other.data(), other.size(), other.capacity()),
file_(std::move(other.file_)) {
other.clear();
other.set(nullptr, 0);
}
~ostream() {
flush();
delete[] data();
}
ostream(ostream&& other) : buffer_(std::move(other.buffer_)) {}
void flush() {
if (size() == 0) return;
file_.write(data(), size());
clear();
}
~ostream();
void flush() { buffer_.flush(); }
template <typename... T>
friend ostream output_file(cstring_view path, T... params);
void close() {
flush();
file_.close();
}
void close() { buffer_.close(); }
/**
Formats ``args`` according to specifications in ``fmt`` and writes the
output to the file.
*/
template <typename... T> void print(format_string<T...> fmt, T&&... args) {
vformat_to(detail::buffer_appender<char>(*this), fmt,
vformat_to(detail::buffer_appender<char>(buffer_), fmt,
fmt::make_format_args(args...));
}
};
@ -472,7 +445,7 @@ inline ostream output_file(cstring_view path, T... params) {
}
#endif // FMT_USE_FCNTL
FMT_MODULE_EXPORT_END
FMT_END_EXPORT
FMT_END_NAMESPACE
#endif // FMT_OS_H_

166
dep/fmt/include/fmt/ostream.h
View File

@ -8,86 +8,65 @@
#ifndef FMT_OSTREAM_H_
#define FMT_OSTREAM_H_
#include <fstream>
#include <ostream>
#include <fstream> // std::filebuf
#if defined(_WIN32) && defined(__GLIBCXX__)
# include <ext/stdio_filebuf.h>
# include <ext/stdio_sync_filebuf.h>
#elif defined(_WIN32) && defined(_LIBCPP_VERSION)
# include <__std_stream>
#endif
#include "format.h"
FMT_BEGIN_NAMESPACE
template <typename OutputIt, typename Char> class basic_printf_context;
namespace detail {
// Checks if T has a user-defined operator<<.
template <typename T, typename Char, typename Enable = void>
class is_streamable {
private:
template <typename U>
static auto test(int)
-> bool_constant<sizeof(std::declval<std::basic_ostream<Char>&>()
<< std::declval<U>()) != 0>;
template <typename> static auto test(...) -> std::false_type;
using result = decltype(test<T>(0));
public:
is_streamable() = default;
static const bool value = result::value;
};
// Formatting of built-in types and arrays is intentionally disabled because
// it's handled by standard (non-ostream) formatters.
template <typename T, typename Char>
struct is_streamable<
T, Char,
enable_if_t<
std::is_arithmetic<T>::value || std::is_array<T>::value ||
std::is_pointer<T>::value || std::is_same<T, char8_type>::value ||
std::is_convertible<T, fmt::basic_string_view<Char>>::value ||
std::is_same<T, std_string_view<Char>>::value ||
(std::is_convertible<T, int>::value && !std::is_enum<T>::value)>>
: std::false_type {};
template <typename Char> FILE* get_file(std::basic_filebuf<Char>&) {
return nullptr;
}
struct dummy_filebuf {
FILE* _Myfile;
};
template <typename T, typename U = int> struct ms_filebuf {
using type = dummy_filebuf;
};
template <typename T> struct ms_filebuf<T, decltype(T::_Myfile, 0)> {
using type = T;
};
using filebuf_type = ms_filebuf<std::filebuf>::type;
FILE* get_file(filebuf_type& buf);
// Generate a unique explicit instantion in every translation unit using a tag
// type in an anonymous namespace.
namespace {
struct filebuf_access_tag {};
struct file_access_tag {};
} // namespace
template <typename Tag, typename FileMemberPtr, FileMemberPtr file>
class filebuf_access {
friend FILE* get_file(filebuf_type& buf) { return buf.*file; }
template <typename Tag, typename BufType, FILE* BufType::*FileMemberPtr>
class file_access {
friend auto get_file(BufType& obj) -> FILE* { return obj.*FileMemberPtr; }
};
template class filebuf_access<filebuf_access_tag,
decltype(&filebuf_type::_Myfile),
&filebuf_type::_Myfile>;
inline bool write(std::filebuf& buf, fmt::string_view data) {
FILE* f = get_file(buf);
if (!f) return false;
print(f, data);
return true;
#if FMT_MSC_VERSION
template class file_access<file_access_tag, std::filebuf,
&std::filebuf::_Myfile>;
auto get_file(std::filebuf&) -> FILE*;
#elif defined(_WIN32) && defined(_LIBCPP_VERSION)
template class file_access<file_access_tag, std::__stdoutbuf<char>,
&std::__stdoutbuf<char>::__file_>;
auto get_file(std::__stdoutbuf<char>&) -> FILE*;
#endif
inline bool write_ostream_unicode(std::ostream& os, fmt::string_view data) {
#if FMT_MSC_VERSION
if (auto* buf = dynamic_cast<std::filebuf*>(os.rdbuf()))
if (FILE* f = get_file(*buf)) return write_console(f, data);
#elif defined(_WIN32) && defined(__GLIBCXX__)
auto* rdbuf = os.rdbuf();
FILE* c_file;
if (auto* sfbuf = dynamic_cast<__gnu_cxx::stdio_sync_filebuf<char>*>(rdbuf))
c_file = sfbuf->file();
else if (auto* fbuf = dynamic_cast<__gnu_cxx::stdio_filebuf<char>*>(rdbuf))
c_file = fbuf->file();
else
return false;
if (c_file) return write_console(c_file, data);
#elif defined(_WIN32) && defined(_LIBCPP_VERSION)
if (auto* buf = dynamic_cast<std::__stdoutbuf<char>*>(os.rdbuf()))
if (FILE* f = get_file(*buf)) return write_console(f, data);
#else
ignore_unused(os, data);
#endif
return false;
}
inline bool write(std::wfilebuf&, fmt::basic_string_view<wchar_t>) {
inline bool write_ostream_unicode(std::wostream&,
fmt::basic_string_view<wchar_t>) {
return false;
}
@ -95,10 +74,6 @@ inline bool write(std::wfilebuf&, fmt::basic_string_view<wchar_t>) {
// It is a separate function rather than a part of vprint to simplify testing.
template <typename Char>
void write_buffer(std::basic_ostream<Char>& os, buffer<Char>& buf) {
if (const_check(FMT_MSC_VERSION)) {
auto filebuf = dynamic_cast<std::basic_filebuf<Char>*>(os.rdbuf());
if (filebuf && write(*filebuf, {buf.data(), buf.size()})) return;
}
const Char* buf_data = buf.data();
using unsigned_streamsize = std::make_unsigned<std::streamsize>::type;
unsigned_streamsize size = buf.size();
@ -130,11 +105,13 @@ template <typename T> struct streamed_view { const T& value; };
// Formats an object of type T that has an overloaded ostream operator<<.
template <typename Char>
struct basic_ostream_formatter : formatter<basic_string_view<Char>, Char> {
void set_debug_format() = delete;
template <typename T, typename OutputIt>
auto format(const T& value, basic_format_context<OutputIt, Char>& ctx) const
-> OutputIt {
auto buffer = basic_memory_buffer<Char>();
format_value(buffer, value, ctx.locale());
detail::format_value(buffer, value, ctx.locale());
return formatter<basic_string_view<Char>, Char>::format(
{buffer.data(), buffer.size()}, ctx);
}
@ -142,12 +119,13 @@ struct basic_ostream_formatter : formatter<basic_string_view<Char>, Char> {
using ostream_formatter = basic_ostream_formatter<char>;
template <typename T>
struct formatter<detail::streamed_view<T>> : ostream_formatter {
template <typename T, typename Char>
struct formatter<detail::streamed_view<T>, Char>
: basic_ostream_formatter<Char> {
template <typename OutputIt>
auto format(detail::streamed_view<T> view,
basic_format_context<OutputIt, char>& ctx) const -> OutputIt {
return ostream_formatter::format(view.value, ctx);
basic_format_context<OutputIt, Char>& ctx) const -> OutputIt {
return basic_ostream_formatter<Char>::format(view.value, ctx);
}
};
@ -168,21 +146,22 @@ auto streamed(const T& value) -> detail::streamed_view<T> {
namespace detail {
// Formats an object of type T that has an overloaded ostream operator<<.
template <typename T, typename Char>
struct fallback_formatter<T, Char, enable_if_t<is_streamable<T, Char>::value>>
: basic_ostream_formatter<Char> {
using basic_ostream_formatter<Char>::format;
};
inline void vprint_directly(std::ostream& os, string_view format_str,
format_args args) {
auto buffer = memory_buffer();
detail::vformat_to(buffer, format_str, args);
detail::write_buffer(os, buffer);
}
} // namespace detail
FMT_MODULE_EXPORT template <typename Char>
FMT_EXPORT template <typename Char>
void vprint(std::basic_ostream<Char>& os,
basic_string_view<type_identity_t<Char>> format_str,
basic_format_args<buffer_context<type_identity_t<Char>>> args) {
auto buffer = basic_memory_buffer<Char>();
detail::vformat_to(buffer, format_str, args);
if (detail::write_ostream_unicode(os, {buffer.data(), buffer.size()})) return;
detail::write_buffer(os, buffer);
}
@ -195,12 +174,16 @@ void vprint(std::basic_ostream<Char>& os,
fmt::print(cerr, "Don't {}!", "panic");
\endrst
*/
FMT_MODULE_EXPORT template <typename... T>
FMT_EXPORT template <typename... T>
void print(std::ostream& os, format_string<T...> fmt, T&&... args) {
vprint(os, fmt, fmt::make_format_args(args...));
const auto& vargs = fmt::make_format_args(args...);
if (detail::is_utf8())
vprint(os, fmt, vargs);
else
detail::vprint_directly(os, fmt, vargs);
}
FMT_MODULE_EXPORT
FMT_EXPORT
template <typename... Args>
void print(std::wostream& os,
basic_format_string<wchar_t, type_identity_t<Args>...> fmt,
@ -208,6 +191,19 @@ void print(std::wostream& os,
vprint(os, fmt, fmt::make_format_args<buffer_context<wchar_t>>(args...));
}
FMT_EXPORT template <typename... T>
void println(std::ostream& os, format_string<T...> fmt, T&&... args) {
fmt::print(os, "{}\n", fmt::format(fmt, std::forward<T>(args)...));
}
FMT_EXPORT
template <typename... Args>
void println(std::wostream& os,
basic_format_string<wchar_t, type_identity_t<Args>...> fmt,
Args&&... args) {
print(os, L"{}\n", fmt::format(fmt, std::forward<Args>(args)...));
}
FMT_END_NAMESPACE
#endif // FMT_OSTREAM_H_

375
dep/fmt/include/fmt/printf.h
View File

@ -14,24 +14,18 @@
#include "format.h"
FMT_BEGIN_NAMESPACE
FMT_MODULE_EXPORT_BEGIN
FMT_BEGIN_EXPORT
template <typename T> struct printf_formatter { printf_formatter() = delete; };
template <typename Char>
class basic_printf_parse_context : public basic_format_parse_context<Char> {
using basic_format_parse_context<Char>::basic_format_parse_context;
};
template <typename OutputIt, typename Char> class basic_printf_context {
template <typename Char> class basic_printf_context {
private:
OutputIt out_;
detail::buffer_appender<Char> out_;
basic_format_args<basic_printf_context> args_;
public:
using char_type = Char;
using format_arg = basic_format_arg<basic_printf_context>;
using parse_context_type = basic_printf_parse_context<Char>;
using parse_context_type = basic_format_parse_context<Char>;
template <typename T> using formatter_type = printf_formatter<T>;
/**
@ -40,68 +34,68 @@ template <typename OutputIt, typename Char> class basic_printf_context {
stored in the context object so make sure they have appropriate lifetimes.
\endrst
*/
basic_printf_context(OutputIt out,
basic_printf_context(detail::buffer_appender<Char> out,
basic_format_args<basic_printf_context> args)
: out_(out), args_(args) {}
OutputIt out() { return out_; }
void advance_to(OutputIt it) { out_ = it; }
auto out() -> detail::buffer_appender<Char> { return out_; }
void advance_to(detail::buffer_appender<Char>) {}
detail::locale_ref locale() { return {}; }
auto locale() -> detail::locale_ref { return {}; }
format_arg arg(int id) const { return args_.get(id); }
auto arg(int id) const -> basic_format_arg<basic_printf_context> {
return args_.get(id);
}
FMT_CONSTEXPR void on_error(const char* message) {
detail::error_handler().on_error(message);
}
};
FMT_BEGIN_DETAIL_NAMESPACE
namespace detail {
// Checks if a value fits in int - used to avoid warnings about comparing
// signed and unsigned integers.
template <bool IsSigned> struct int_checker {
template <typename T> static bool fits_in_int(T value) {
template <typename T> static auto fits_in_int(T value) -> bool {
unsigned max = max_value<int>();
return value <= max;
}
static bool fits_in_int(bool) { return true; }
static auto fits_in_int(bool) -> bool { return true; }
};
template <> struct int_checker<true> {
template <typename T> static bool fits_in_int(T value) {
template <typename T> static auto fits_in_int(T value) -> bool {
return value >= (std::numeric_limits<int>::min)() &&
value <= max_value<int>();
}
static bool fits_in_int(int) { return true; }
static auto fits_in_int(int) -> bool { return true; }
};
class printf_precision_handler {
public:
struct printf_precision_handler {
template <typename T, FMT_ENABLE_IF(std::is_integral<T>::value)>
int operator()(T value) {
auto operator()(T value) -> int {
if (!int_checker<std::numeric_limits<T>::is_signed>::fits_in_int(value))
FMT_THROW(format_error("number is too big"));
throw_format_error("number is too big");
return (std::max)(static_cast<int>(value), 0);
}
template <typename T, FMT_ENABLE_IF(!std::is_integral<T>::value)>
int operator()(T) {
FMT_THROW(format_error("precision is not integer"));
auto operator()(T) -> int {
throw_format_error("precision is not integer");
return 0;
}
};
// An argument visitor that returns true iff arg is a zero integer.
class is_zero_int {
public:
struct is_zero_int {
template <typename T, FMT_ENABLE_IF(std::is_integral<T>::value)>
bool operator()(T value) {
auto operator()(T value) -> bool {
return value == 0;
}
template <typename T, FMT_ENABLE_IF(!std::is_integral<T>::value)>
bool operator()(T) {
auto operator()(T) -> bool {
return false;
}
};
@ -132,22 +126,23 @@ template <typename T, typename Context> class arg_converter {
if (const_check(sizeof(target_type) <= sizeof(int))) {
// Extra casts are used to silence warnings.
if (is_signed) {
arg_ = detail::make_arg<Context>(
static_cast<int>(static_cast<target_type>(value)));
auto n = static_cast<int>(static_cast<target_type>(value));
arg_ = detail::make_arg<Context>(n);
} else {
using unsigned_type = typename make_unsigned_or_bool<target_type>::type;
arg_ = detail::make_arg<Context>(
static_cast<unsigned>(static_cast<unsigned_type>(value)));
auto n = static_cast<unsigned>(static_cast<unsigned_type>(value));
arg_ = detail::make_arg<Context>(n);
}
} else {
if (is_signed) {
// glibc's printf doesn't sign extend arguments of smaller types:
// std::printf("%lld", -42); // prints "4294967254"
// but we don't have to do the same because it's a UB.
arg_ = detail::make_arg<Context>(static_cast<long long>(value));
auto n = static_cast<long long>(value);
arg_ = detail::make_arg<Context>(n);
} else {
arg_ = detail::make_arg<Context>(
static_cast<typename make_unsigned_or_bool<U>::type>(value));
auto n = static_cast<typename make_unsigned_or_bool<U>::type>(value);
arg_ = detail::make_arg<Context>(n);
}
}
}
@ -175,8 +170,8 @@ template <typename Context> class char_converter {
template <typename T, FMT_ENABLE_IF(std::is_integral<T>::value)>
void operator()(T value) {
arg_ = detail::make_arg<Context>(
static_cast<typename Context::char_type>(value));
auto c = static_cast<typename Context::char_type>(value);
arg_ = detail::make_arg<Context>(c);
}
template <typename T, FMT_ENABLE_IF(!std::is_integral<T>::value)>
@ -186,122 +181,131 @@ template <typename Context> class char_converter {
// An argument visitor that return a pointer to a C string if argument is a
// string or null otherwise.
template <typename Char> struct get_cstring {
template <typename T> const Char* operator()(T) { return nullptr; }
const Char* operator()(const Char* s) { return s; }
template <typename T> auto operator()(T) -> const Char* { return nullptr; }
auto operator()(const Char* s) -> const Char* { return s; }
};
// Checks if an argument is a valid printf width specifier and sets
// left alignment if it is negative.
template <typename Char> class printf_width_handler {
private:
using format_specs = basic_format_specs<Char>;
format_specs& specs_;
format_specs<Char>& specs_;
public:
explicit printf_width_handler(format_specs& specs) : specs_(specs) {}
explicit printf_width_handler(format_specs<Char>& specs) : specs_(specs) {}
template <typename T, FMT_ENABLE_IF(std::is_integral<T>::value)>
unsigned operator()(T value) {
auto operator()(T value) -> unsigned {
auto width = static_cast<uint32_or_64_or_128_t<T>>(value);
if (detail::is_negative(value)) {
specs_.align = align::left;
width = 0 - width;
}
unsigned int_max = max_value<int>();
if (width > int_max) FMT_THROW(format_error("number is too big"));
if (width > int_max) throw_format_error("number is too big");
return static_cast<unsigned>(width);
}
template <typename T, FMT_ENABLE_IF(!std::is_integral<T>::value)>
unsigned operator()(T) {
FMT_THROW(format_error("width is not integer"));
auto operator()(T) -> unsigned {
throw_format_error("width is not integer");
return 0;
}
};
// Workaround for a bug with the XL compiler when initializing
// printf_arg_formatter's base class.
template <typename Char>
auto make_arg_formatter(buffer_appender<Char> iter, format_specs<Char>& s)
-> arg_formatter<Char> {
return {iter, s, locale_ref()};
}
// The ``printf`` argument formatter.
template <typename OutputIt, typename Char>
template <typename Char>
class printf_arg_formatter : public arg_formatter<Char> {
private:
using base = arg_formatter<Char>;
using context_type = basic_printf_context<OutputIt, Char>;
using format_specs = basic_format_specs<Char>;
using context_type = basic_printf_context<Char>;
context_type& context_;
OutputIt write_null_pointer(bool is_string = false) {
void write_null_pointer(bool is_string = false) {
auto s = this->specs;
s.type = presentation_type::none;
return write_bytes(this->out, is_string ? "(null)" : "(nil)", s);
write_bytes(this->out, is_string ? "(null)" : "(nil)", s);
}
public:
printf_arg_formatter(OutputIt iter, format_specs& s, context_type& ctx)
: base{iter, s, locale_ref()}, context_(ctx) {}
printf_arg_formatter(buffer_appender<Char> iter, format_specs<Char>& s,
context_type& ctx)
: base(make_arg_formatter(iter, s)), context_(ctx) {}
OutputIt operator()(monostate value) { return base::operator()(value); }
void operator()(monostate value) { base::operator()(value); }
template <typename T, FMT_ENABLE_IF(detail::is_integral<T>::value)>
OutputIt operator()(T value) {
void operator()(T value) {
// MSVC2013 fails to compile separate overloads for bool and Char so use
// std::is_same instead.
if (std::is_same<T, Char>::value) {
format_specs fmt_specs = this->specs;
if (fmt_specs.type != presentation_type::none &&
fmt_specs.type != presentation_type::chr) {
return (*this)(static_cast<int>(value));
}
fmt_specs.sign = sign::none;
fmt_specs.alt = false;
fmt_specs.fill[0] = ' '; // Ignore '0' flag for char types.
// align::numeric needs to be overwritten here since the '0' flag is
// ignored for non-numeric types
if (fmt_specs.align == align::none || fmt_specs.align == align::numeric)
fmt_specs.align = align::right;
return write<Char>(this->out, static_cast<Char>(value), fmt_specs);
if (!std::is_same<T, Char>::value) {
base::operator()(value);
return;
}
return base::operator()(value);
format_specs<Char> fmt_specs = this->specs;
if (fmt_specs.type != presentation_type::none &&
fmt_specs.type != presentation_type::chr) {
return (*this)(static_cast<int>(value));
}
fmt_specs.sign = sign::none;
fmt_specs.alt = false;
fmt_specs.fill[0] = ' '; // Ignore '0' flag for char types.
// align::numeric needs to be overwritten here since the '0' flag is
// ignored for non-numeric types
if (fmt_specs.align == align::none || fmt_specs.align == align::numeric)
fmt_specs.align = align::right;
write<Char>(this->out, static_cast<Char>(value), fmt_specs);
}
template <typename T, FMT_ENABLE_IF(std::is_floating_point<T>::value)>
OutputIt operator()(T value) {
return base::operator()(value);
void operator()(T value) {
base::operator()(value);
}
/** Formats a null-terminated C string. */
OutputIt operator()(const char* value) {
if (value) return base::operator()(value);
return write_null_pointer(this->specs.type != presentation_type::pointer);
void operator()(const char* value) {
if (value)
base::operator()(value);
else
write_null_pointer(this->specs.type != presentation_type::pointer);
}
/** Formats a null-terminated wide C string. */
OutputIt operator()(const wchar_t* value) {
if (value) return base::operator()(value);
return write_null_pointer(this->specs.type != presentation_type::pointer);
void operator()(const wchar_t* value) {
if (value)
base::operator()(value);
else
write_null_pointer(this->specs.type != presentation_type::pointer);
}
OutputIt operator()(basic_string_view<Char> value) {
return base::operator()(value);
}
void operator()(basic_string_view<Char> value) { base::operator()(value); }
/** Formats a pointer. */
OutputIt operator()(const void* value) {
return value ? base::operator()(value) : write_null_pointer();
void operator()(const void* value) {
if (value)
base::operator()(value);
else
write_null_pointer();
}
/** Formats an argument of a custom (user-defined) type. */
OutputIt operator()(typename basic_format_arg<context_type>::handle handle) {
auto parse_ctx =
basic_printf_parse_context<Char>(basic_string_view<Char>());
void operator()(typename basic_format_arg<context_type>::handle handle) {
auto parse_ctx = basic_format_parse_context<Char>({});
handle.format(parse_ctx, context_);
return this->out;
}
};
template <typename Char>
void parse_flags(basic_format_specs<Char>& specs, const Char*& it,
const Char* end) {
void parse_flags(format_specs<Char>& specs, const Char*& it, const Char* end) {
for (; it != end; ++it) {
switch (*it) {
case '-':
@ -314,9 +318,7 @@ void parse_flags(basic_format_specs<Char>& specs, const Char*& it,
specs.fill[0] = '0';
break;
case ' ':
if (specs.sign != sign::plus) {
specs.sign = sign::space;
}
if (specs.sign != sign::plus) specs.sign = sign::space;
break;
case '#':
specs.alt = true;
@ -328,8 +330,8 @@ void parse_flags(basic_format_specs<Char>& specs, const Char*& it,
}
template <typename Char, typename GetArg>
int parse_header(const Char*& it, const Char* end,
basic_format_specs<Char>& specs, GetArg get_arg) {
auto parse_header(const Char*& it, const Char* end, format_specs<Char>& specs,
GetArg get_arg) -> int {
int arg_index = -1;
Char c = *it;
if (c >= '0' && c <= '9') {
@ -344,7 +346,7 @@ int parse_header(const Char*& it, const Char* end,
if (value != 0) {
// Nonzero value means that we parsed width and don't need to
// parse it or flags again, so return now.
if (value == -1) FMT_THROW(format_error("number is too big"));
if (value == -1) throw_format_error("number is too big");
specs.width = value;
return arg_index;
}
@ -355,7 +357,7 @@ int parse_header(const Char*& it, const Char* end,
if (it != end) {
if (*it >= '0' && *it <= '9') {
specs.width = parse_nonnegative_int(it, end, -1);
if (specs.width == -1) FMT_THROW(format_error("number is too big"));
if (specs.width == -1) throw_format_error("number is too big");
} else if (*it == '*') {
++it;
specs.width = static_cast<int>(visit_format_arg(
@ -365,13 +367,53 @@ int parse_header(const Char*& it, const Char* end,
return arg_index;
}
inline auto parse_printf_presentation_type(char c, type t)
-> presentation_type {
using pt = presentation_type;
constexpr auto integral_set = sint_set | uint_set | bool_set | char_set;
switch (c) {
case 'd':
return in(t, integral_set) ? pt::dec : pt::none;
case 'o':
return in(t, integral_set) ? pt::oct : pt::none;
case 'x':
return in(t, integral_set) ? pt::hex_lower : pt::none;
case 'X':
return in(t, integral_set) ? pt::hex_upper : pt::none;
case 'a':
return in(t, float_set) ? pt::hexfloat_lower : pt::none;
case 'A':
return in(t, float_set) ? pt::hexfloat_upper : pt::none;
case 'e':
return in(t, float_set) ? pt::exp_lower : pt::none;
case 'E':
return in(t, float_set) ? pt::exp_upper : pt::none;
case 'f':
return in(t, float_set) ? pt::fixed_lower : pt::none;
case 'F':
return in(t, float_set) ? pt::fixed_upper : pt::none;
case 'g':
return in(t, float_set) ? pt::general_lower : pt::none;
case 'G':
return in(t, float_set) ? pt::general_upper : pt::none;
case 'c':
return in(t, integral_set) ? pt::chr : pt::none;
case 's':
return in(t, string_set | cstring_set) ? pt::string : pt::none;
case 'p':
return in(t, pointer_set | cstring_set) ? pt::pointer : pt::none;
default:
return pt::none;
}
}
template <typename Char, typename Context>
void vprintf(buffer<Char>& buf, basic_string_view<Char> format,
basic_format_args<Context> args) {
using OutputIt = buffer_appender<Char>;
auto out = OutputIt(buf);
auto context = basic_printf_context<OutputIt, Char>(out, args);
auto parse_ctx = basic_printf_parse_context<Char>(format);
using iterator = buffer_appender<Char>;
auto out = iterator(buf);
auto context = basic_printf_context<Char>(out, args);
auto parse_ctx = basic_format_parse_context<Char>(format);
// Returns the argument with specified index or, if arg_index is -1, the next
// argument.
@ -387,26 +429,24 @@ void vprintf(buffer<Char>& buf, basic_string_view<Char> format,
const Char* end = parse_ctx.end();
auto it = start;
while (it != end) {
if (!detail::find<false, Char>(it, end, '%', it)) {
it = end; // detail::find leaves it == nullptr if it doesn't find '%'
if (!find<false, Char>(it, end, '%', it)) {
it = end; // find leaves it == nullptr if it doesn't find '%'.
break;
}
Char c = *it++;
if (it != end && *it == c) {
out = detail::write(
out, basic_string_view<Char>(start, detail::to_unsigned(it - start)));
write(out, basic_string_view<Char>(start, to_unsigned(it - start)));
start = ++it;
continue;
}
out = detail::write(out, basic_string_view<Char>(
start, detail::to_unsigned(it - 1 - start)));
write(out, basic_string_view<Char>(start, to_unsigned(it - 1 - start)));
basic_format_specs<Char> specs;
auto specs = format_specs<Char>();
specs.align = align::right;
// Parse argument index, flags and width.
int arg_index = parse_header(it, end, specs, get_arg);
if (arg_index == 0) parse_ctx.on_error("argument not found");
if (arg_index == 0) throw_format_error("argument not found");
// Parse precision.
if (it != end && *it == '.') {
@ -417,7 +457,7 @@ void vprintf(buffer<Char>& buf, basic_string_view<Char> format,
} else if (c == '*') {
++it;
specs.precision = static_cast<int>(
visit_format_arg(detail::printf_precision_handler(), get_arg(-1)));
visit_format_arg(printf_precision_handler(), get_arg(-1)));
} else {
specs.precision = 0;
}
@ -426,20 +466,19 @@ void vprintf(buffer<Char>& buf, basic_string_view<Char> format,
auto arg = get_arg(arg_index);
// For d, i, o, u, x, and X conversion specifiers, if a precision is
// specified, the '0' flag is ignored
if (specs.precision >= 0 && arg.is_integral())
specs.fill[0] =
' '; // Ignore '0' flag for non-numeric types or if '-' present.
if (specs.precision >= 0 && arg.type() == detail::type::cstring_type) {
auto str = visit_format_arg(detail::get_cstring<Char>(), arg);
if (specs.precision >= 0 && arg.is_integral()) {
// Ignore '0' for non-numeric types or if '-' present.
specs.fill[0] = ' ';
}
if (specs.precision >= 0 && arg.type() == type::cstring_type) {
auto str = visit_format_arg(get_cstring<Char>(), arg);
auto str_end = str + specs.precision;
auto nul = std::find(str, str_end, Char());
arg = detail::make_arg<basic_printf_context<OutputIt, Char>>(
basic_string_view<Char>(
str, detail::to_unsigned(nul != str_end ? nul - str
: specs.precision)));
auto sv = basic_string_view<Char>(
str, to_unsigned(nul != str_end ? nul - str : specs.precision));
arg = make_arg<basic_printf_context<Char>>(sv);
}
if (specs.alt && visit_format_arg(detail::is_zero_int(), arg))
specs.alt = false;
if (specs.alt && visit_format_arg(is_zero_int(), arg)) specs.alt = false;
if (specs.fill[0] == '0') {
if (arg.is_arithmetic() && specs.align != align::left)
specs.align = align::numeric;
@ -451,7 +490,6 @@ void vprintf(buffer<Char>& buf, basic_string_view<Char> format,
// Parse length and convert the argument to the required type.
c = it != end ? *it++ : 0;
Char t = it != end ? *it : 0;
using detail::convert_arg;
switch (c) {
case 'h':
if (t == 'h') {
@ -490,7 +528,7 @@ void vprintf(buffer<Char>& buf, basic_string_view<Char> format,
}
// Parse type.
if (it == end) FMT_THROW(format_error("invalid format string"));
if (it == end) throw_format_error("invalid format string");
char type = static_cast<char>(*it++);
if (arg.is_integral()) {
// Normalize type.
@ -500,32 +538,25 @@ void vprintf(buffer<Char>& buf, basic_string_view<Char> format,
type = 'd';
break;
case 'c':
visit_format_arg(
detail::char_converter<basic_printf_context<OutputIt, Char>>(arg),
arg);
visit_format_arg(char_converter<basic_printf_context<Char>>(arg), arg);
break;
}
}
specs.type = parse_presentation_type(type);
specs.type = parse_printf_presentation_type(type, arg.type());
if (specs.type == presentation_type::none)
parse_ctx.on_error("invalid type specifier");
throw_format_error("invalid format specifier");
start = it;
// Format argument.
out = visit_format_arg(
detail::printf_arg_formatter<OutputIt, Char>(out, specs, context), arg);
visit_format_arg(printf_arg_formatter<Char>(out, specs, context), arg);
}
detail::write(out, basic_string_view<Char>(start, to_unsigned(it - start)));
write(out, basic_string_view<Char>(start, to_unsigned(it - start)));
}
FMT_END_DETAIL_NAMESPACE
} // namespace detail
template <typename Char>
using basic_printf_context_t =
basic_printf_context<detail::buffer_appender<Char>, Char>;
using printf_context = basic_printf_context_t<char>;
using wprintf_context = basic_printf_context_t<wchar_t>;
using printf_context = basic_printf_context<char>;
using wprintf_context = basic_printf_context<wchar_t>;
using printf_args = basic_format_args<printf_context>;
using wprintf_args = basic_format_args<wprintf_context>;
@ -542,26 +573,21 @@ inline auto make_printf_args(const T&... args)
return {args...};
}
/**
\rst
Constructs an `~fmt::format_arg_store` object that contains references to
arguments and can be implicitly converted to `~fmt::wprintf_args`.
\endrst
*/
// DEPRECATED!
template <typename... T>
inline auto make_wprintf_args(const T&... args)
-> format_arg_store<wprintf_context, T...> {
return {args...};
}
template <typename S, typename Char = char_t<S>>
template <typename Char>
inline auto vsprintf(
const S& fmt,
basic_format_args<basic_printf_context_t<type_identity_t<Char>>> args)
basic_string_view<Char> fmt,
basic_format_args<basic_printf_context<type_identity_t<Char>>> args)
-> std::basic_string<Char> {
basic_memory_buffer<Char> buffer;
vprintf(buffer, detail::to_string_view(fmt), args);
return to_string(buffer);
auto buf = basic_memory_buffer<Char>();
detail::vprintf(buf, fmt, args);
return to_string(buf);
}
/**
@ -576,20 +602,19 @@ inline auto vsprintf(
template <typename S, typename... T,
typename Char = enable_if_t<detail::is_string<S>::value, char_t<S>>>
inline auto sprintf(const S& fmt, const T&... args) -> std::basic_string<Char> {
using context = basic_printf_context_t<Char>;
return vsprintf(detail::to_string_view(fmt),
fmt::make_format_args<context>(args...));
fmt::make_format_args<basic_printf_context<Char>>(args...));
}
template <typename S, typename Char = char_t<S>>
template <typename Char>
inline auto vfprintf(
std::FILE* f, const S& fmt,
basic_format_args<basic_printf_context_t<type_identity_t<Char>>> args)
std::FILE* f, basic_string_view<Char> fmt,
basic_format_args<basic_printf_context<type_identity_t<Char>>> args)
-> int {
basic_memory_buffer<Char> buffer;
vprintf(buffer, detail::to_string_view(fmt), args);
size_t size = buffer.size();
return std::fwrite(buffer.data(), sizeof(Char), size, f) < size
auto buf = basic_memory_buffer<Char>();
detail::vprintf(buf, fmt, args);
size_t size = buf.size();
return std::fwrite(buf.data(), sizeof(Char), size, f) < size
? -1
: static_cast<int>(size);
}
@ -605,17 +630,16 @@ inline auto vfprintf(
*/
template <typename S, typename... T, typename Char = char_t<S>>
inline auto fprintf(std::FILE* f, const S& fmt, const T&... args) -> int {
using context = basic_printf_context_t<Char>;
return vfprintf(f, detail::to_string_view(fmt),
fmt::make_format_args<context>(args...));
fmt::make_format_args<basic_printf_context<Char>>(args...));
}
template <typename S, typename Char = char_t<S>>
inline auto vprintf(
const S& fmt,
basic_format_args<basic_printf_context_t<type_identity_t<Char>>> args)
template <typename Char>
FMT_DEPRECATED inline auto vprintf(
basic_string_view<Char> fmt,
basic_format_args<basic_printf_context<type_identity_t<Char>>> args)
-> int {
return vfprintf(stdout, detail::to_string_view(fmt), args);
return vfprintf(stdout, fmt, args);
}
/**
@ -627,14 +651,17 @@ inline auto vprintf(
fmt::printf("Elapsed time: %.2f seconds", 1.23);
\endrst
*/
template <typename S, typename... T, FMT_ENABLE_IF(detail::is_string<S>::value)>
inline auto printf(const S& fmt, const T&... args) -> int {
return vprintf(
detail::to_string_view(fmt),
fmt::make_format_args<basic_printf_context_t<char_t<S>>>(args...));
template <typename... T>
inline auto printf(string_view fmt, const T&... args) -> int {
return vfprintf(stdout, fmt, make_printf_args(args...));
}
template <typename... T>
FMT_DEPRECATED inline auto printf(basic_string_view<wchar_t> fmt,
const T&... args) -> int {
return vfprintf(stdout, fmt, make_wprintf_args(args...));
}
FMT_MODULE_EXPORT_END
FMT_END_EXPORT
FMT_END_NAMESPACE
#endif // FMT_PRINTF_H_

482
dep/fmt/include/fmt/ranges.h
View File

@ -22,27 +22,25 @@ FMT_BEGIN_NAMESPACE
namespace detail {
template <typename RangeT, typename OutputIterator>
OutputIterator copy(const RangeT& range, OutputIterator out) {
template <typename Range, typename OutputIt>
auto copy(const Range& range, OutputIt out) -> OutputIt {
for (auto it = range.begin(), end = range.end(); it != end; ++it)
*out++ = *it;
return out;
}
template <typename OutputIterator>
OutputIterator copy(const char* str, OutputIterator out) {
template <typename OutputIt>
auto copy(const char* str, OutputIt out) -> OutputIt {
while (*str) *out++ = *str++;
return out;
}
template <typename OutputIterator>
OutputIterator copy(char ch, OutputIterator out) {
template <typename OutputIt> auto copy(char ch, OutputIt out) -> OutputIt {
*out++ = ch;
return out;
}
template <typename OutputIterator>
OutputIterator copy(wchar_t ch, OutputIterator out) {
template <typename OutputIt> auto copy(wchar_t ch, OutputIt out) -> OutputIt {
*out++ = ch;
return out;
}
@ -69,7 +67,7 @@ template <typename T> class is_map {
template <typename> static void check(...);
public:
#ifdef FMT_FORMAT_MAP_AS_LIST
#ifdef FMT_FORMAT_MAP_AS_LIST // DEPRECATED!
static constexpr const bool value = false;
#else
static constexpr const bool value =
@ -82,7 +80,7 @@ template <typename T> class is_set {
template <typename> static void check(...);
public:
#ifdef FMT_FORMAT_SET_AS_LIST
#ifdef FMT_FORMAT_SET_AS_LIST // DEPRECATED!
static constexpr const bool value = false;
#else
static constexpr const bool value =
@ -157,8 +155,9 @@ template <typename T>
struct has_mutable_begin_end<
T, void_t<decltype(detail::range_begin(std::declval<T>())),
decltype(detail::range_end(std::declval<T>())),
enable_if_t<std::is_copy_constructible<T>::value>>>
: std::true_type {};
// the extra int here is because older versions of MSVC don't
// SFINAE properly unless there are distinct types
int>> : std::true_type {};
template <typename T>
struct is_range_<T, void>
@ -211,41 +210,61 @@ class is_tuple_formattable_ {
static constexpr const bool value = false;
};
template <typename T, typename C> class is_tuple_formattable_<T, C, true> {
template <std::size_t... I>
static std::true_type check2(index_sequence<I...>,
integer_sequence<bool, (I == I)...>);
template <std::size_t... Is>
static std::true_type check2(index_sequence<Is...>,
integer_sequence<bool, (Is == Is)...>);
static std::false_type check2(...);
template <std::size_t... I>
template <std::size_t... Is>
static decltype(check2(
index_sequence<I...>{},
index_sequence<Is...>{},
integer_sequence<
bool, (is_formattable<typename std::tuple_element<I, T>::type,
C>::value)...>{})) check(index_sequence<I...>);
bool, (is_formattable<typename std::tuple_element<Is, T>::type,
C>::value)...>{})) check(index_sequence<Is...>);
public:
static constexpr const bool value =
decltype(check(tuple_index_sequence<T>{}))::value;
};
template <class Tuple, class F, size_t... Is>
void for_each(index_sequence<Is...>, Tuple&& tup, F&& f) noexcept {
template <typename Tuple, typename F, size_t... Is>
FMT_CONSTEXPR void for_each(index_sequence<Is...>, Tuple&& t, F&& f) {
using std::get;
// using free function get<I>(T) now.
const int _[] = {0, ((void)f(get<Is>(tup)), 0)...};
(void)_; // blocks warnings
// Using a free function get<Is>(Tuple) now.
const int unused[] = {0, ((void)f(get<Is>(t)), 0)...};
ignore_unused(unused);
}
template <class T>
FMT_CONSTEXPR make_index_sequence<std::tuple_size<T>::value> get_indexes(
T const&) {
return {};
template <typename Tuple, typename F>
FMT_CONSTEXPR void for_each(Tuple&& t, F&& f) {
for_each(tuple_index_sequence<remove_cvref_t<Tuple>>(),
std::forward<Tuple>(t), std::forward<F>(f));
}
template <class Tuple, class F> void for_each(Tuple&& tup, F&& f) {
const auto indexes = get_indexes(tup);
for_each(indexes, std::forward<Tuple>(tup), std::forward<F>(f));
template <typename Tuple1, typename Tuple2, typename F, size_t... Is>
void for_each2(index_sequence<Is...>, Tuple1&& t1, Tuple2&& t2, F&& f) {
using std::get;
const int unused[] = {0, ((void)f(get<Is>(t1), get<Is>(t2)), 0)...};
ignore_unused(unused);
}
template <typename Tuple1, typename Tuple2, typename F>
void for_each2(Tuple1&& t1, Tuple2&& t2, F&& f) {
for_each2(tuple_index_sequence<remove_cvref_t<Tuple1>>(),
std::forward<Tuple1>(t1), std::forward<Tuple2>(t2),
std::forward<F>(f));
}
namespace tuple {
// Workaround a bug in MSVC 2019 (v140).
template <typename Char, typename... T>
using result_t = std::tuple<formatter<remove_cvref_t<T>, Char>...>;
using std::get;
template <typename Tuple, typename Char, std::size_t... Is>
auto get_formatters(index_sequence<Is...>)
-> result_t<Char, decltype(get<Is>(std::declval<Tuple>()))...>;
} // namespace tuple
#if FMT_MSC_VERSION && FMT_MSC_VERSION < 1920
// Older MSVC doesn't get the reference type correctly for arrays.
template <typename R> struct range_reference_type_impl {
@ -269,45 +288,37 @@ using range_reference_type =
template <typename Range>
using uncvref_type = remove_cvref_t<range_reference_type<Range>>;
template <typename Range>
using uncvref_first_type = remove_cvref_t<
decltype(std::declval<range_reference_type<Range>>().first)>;
template <typename Range>
using uncvref_second_type = remove_cvref_t<
decltype(std::declval<range_reference_type<Range>>().second)>;
template <typename OutputIt> OutputIt write_delimiter(OutputIt out) {
*out++ = ',';
*out++ = ' ';
return out;
template <typename Formatter>
FMT_CONSTEXPR auto maybe_set_debug_format(Formatter& f, bool set)
-> decltype(f.set_debug_format(set)) {
f.set_debug_format(set);
}
template <typename Formatter>
FMT_CONSTEXPR void maybe_set_debug_format(Formatter&, ...) {}
template <typename Char, typename OutputIt>
auto write_range_entry(OutputIt out, basic_string_view<Char> str) -> OutputIt {
return write_escaped_string(out, str);
}
// These are not generic lambdas for compatibility with C++11.
template <typename ParseContext> struct parse_empty_specs {
template <typename Formatter> FMT_CONSTEXPR void operator()(Formatter& f) {
f.parse(ctx);
detail::maybe_set_debug_format(f, true);
}
ParseContext& ctx;
};
template <typename FormatContext> struct format_tuple_element {
using char_type = typename FormatContext::char_type;
template <typename Char, typename OutputIt, typename T,
FMT_ENABLE_IF(std::is_convertible<T, std_string_view<char>>::value)>
inline auto write_range_entry(OutputIt out, const T& str) -> OutputIt {
auto sv = std_string_view<Char>(str);
return write_range_entry<Char>(out, basic_string_view<Char>(sv));
}
template <typename T>
void operator()(const formatter<T, char_type>& f, const T& v) {
if (i > 0)
ctx.advance_to(detail::copy_str<char_type>(separator, ctx.out()));
ctx.advance_to(f.format(v, ctx));
++i;
}
template <typename Char, typename OutputIt, typename Arg,
FMT_ENABLE_IF(std::is_same<Arg, Char>::value)>
OutputIt write_range_entry(OutputIt out, const Arg v) {
return write_escaped_char(out, v);
}
template <
typename Char, typename OutputIt, typename Arg,
FMT_ENABLE_IF(!is_std_string_like<typename std::decay<Arg>::type>::value &&
!std::is_same<Arg, Char>::value)>
OutputIt write_range_entry(OutputIt out, const Arg& v) {
return write<Char>(out, v);
}
int i;
FormatContext& ctx;
basic_string_view<char_type> separator;
};
} // namespace detail
@ -321,45 +332,58 @@ template <typename T, typename C> struct is_tuple_formattable {
detail::is_tuple_formattable_<T, C>::value;
};
template <typename TupleT, typename Char>
struct formatter<TupleT, Char,
enable_if_t<fmt::is_tuple_like<TupleT>::value &&
fmt::is_tuple_formattable<TupleT, Char>::value>> {
template <typename Tuple, typename Char>
struct formatter<Tuple, Char,
enable_if_t<fmt::is_tuple_like<Tuple>::value &&
fmt::is_tuple_formattable<Tuple, Char>::value>> {
private:
// C++11 generic lambda for format().
template <typename FormatContext> struct format_each {
template <typename T> void operator()(const T& v) {
if (i > 0) out = detail::write_delimiter(out);
out = detail::write_range_entry<Char>(out, v);
++i;
}
int i;
typename FormatContext::iterator& out;
};
decltype(detail::tuple::get_formatters<Tuple, Char>(
detail::tuple_index_sequence<Tuple>())) formatters_;
basic_string_view<Char> separator_ = detail::string_literal<Char, ',', ' '>{};
basic_string_view<Char> opening_bracket_ =
detail::string_literal<Char, '('>{};
basic_string_view<Char> closing_bracket_ =
detail::string_literal<Char, ')'>{};
public:
template <typename ParseContext>
FMT_CONSTEXPR auto parse(ParseContext& ctx) -> decltype(ctx.begin()) {
return ctx.begin();
FMT_CONSTEXPR formatter() {}
FMT_CONSTEXPR void set_separator(basic_string_view<Char> sep) {
separator_ = sep;
}
template <typename FormatContext = format_context>
auto format(const TupleT& values, FormatContext& ctx) const
FMT_CONSTEXPR void set_brackets(basic_string_view<Char> open,
basic_string_view<Char> close) {
opening_bracket_ = open;
closing_bracket_ = close;
}
template <typename ParseContext>
FMT_CONSTEXPR auto parse(ParseContext& ctx) -> decltype(ctx.begin()) {
auto it = ctx.begin();
if (it != ctx.end() && *it != '}')
FMT_THROW(format_error("invalid format specifier"));
detail::for_each(formatters_, detail::parse_empty_specs<ParseContext>{ctx});
return it;
}
template <typename FormatContext>
auto format(const Tuple& value, FormatContext& ctx) const
-> decltype(ctx.out()) {
auto out = ctx.out();
*out++ = '(';
detail::for_each(values, format_each<FormatContext>{0, out});
*out++ = ')';
return out;
ctx.advance_to(detail::copy_str<Char>(opening_bracket_, ctx.out()));
detail::for_each2(
formatters_, value,
detail::format_tuple_element<FormatContext>{0, ctx, separator_});
return detail::copy_str<Char>(closing_bracket_, ctx.out());
}
};
template <typename T, typename Char> struct is_range {
static constexpr const bool value =
detail::is_range_<T>::value && !detail::is_std_string_like<T>::value &&
!detail::is_map<T>::value &&
!std::is_convertible<T, std::basic_string<Char>>::value &&
!std::is_constructible<detail::std_string_view<Char>, T>::value;
!std::is_convertible<T, detail::std_string_view<Char>>::value;
};
namespace detail {
@ -380,126 +404,171 @@ template <typename Context> struct range_mapper {
};
template <typename Char, typename Element>
using range_formatter_type = conditional_t<
is_formattable<Element, Char>::value,
using range_formatter_type =
formatter<remove_cvref_t<decltype(range_mapper<buffer_context<Char>>{}.map(
std::declval<Element>()))>,
Char>,
fallback_formatter<Element, Char>>;
Char>;
template <typename R>
using maybe_const_range =
conditional_t<has_const_begin_end<R>::value, const R, R>;
// Workaround a bug in MSVC 2015 and earlier.
#if !FMT_MSC_VERSION || FMT_MSC_VERSION >= 1910
template <typename R, typename Char>
struct is_formattable_delayed
: is_formattable<uncvref_type<maybe_const_range<R>>, Char> {};
#endif
} // namespace detail
template <typename R, typename Char>
struct formatter<
R, Char,
enable_if_t<
conjunction<fmt::is_range<R, Char>
// Workaround a bug in MSVC 2017 and earlier.
#if !FMT_MSC_VERSION || FMT_MSC_VERSION >= 1920
,
disjunction<
is_formattable<detail::uncvref_type<detail::maybe_const_range<R>>,
Char>,
detail::has_fallback_formatter<
detail::uncvref_type<detail::maybe_const_range<R>>, Char>
>
#endif
>::value
>> {
template <typename T, typename Char, typename Enable = void>
struct range_formatter;
using range_type = detail::maybe_const_range<R>;
using formatter_type =
detail::range_formatter_type<Char, detail::uncvref_type<range_type>>;
formatter_type underlying_;
bool custom_specs_ = false;
template <typename T, typename Char>
struct range_formatter<
T, Char,
enable_if_t<conjunction<std::is_same<T, remove_cvref_t<T>>,
is_formattable<T, Char>>::value>> {
private:
detail::range_formatter_type<Char, T> underlying_;
basic_string_view<Char> separator_ = detail::string_literal<Char, ',', ' '>{};
basic_string_view<Char> opening_bracket_ =
detail::string_literal<Char, '['>{};
basic_string_view<Char> closing_bracket_ =
detail::string_literal<Char, ']'>{};
public:
FMT_CONSTEXPR range_formatter() {}
FMT_CONSTEXPR auto underlying() -> detail::range_formatter_type<Char, T>& {
return underlying_;
}
FMT_CONSTEXPR void set_separator(basic_string_view<Char> sep) {
separator_ = sep;
}
FMT_CONSTEXPR void set_brackets(basic_string_view<Char> open,
basic_string_view<Char> close) {
opening_bracket_ = open;
closing_bracket_ = close;
}
template <typename ParseContext>
FMT_CONSTEXPR auto parse(ParseContext& ctx) -> decltype(ctx.begin()) {
auto it = ctx.begin();
auto end = ctx.end();
if (it == end || *it == '}') return it;
if (*it != ':')
FMT_THROW(format_error("no top-level range formatters supported"));
if (it != end && *it == 'n') {
set_brackets({}, {});
++it;
}
if (it != end && *it != '}') {
if (*it != ':') FMT_THROW(format_error("invalid format specifier"));
++it;
} else {
detail::maybe_set_debug_format(underlying_, true);
}
custom_specs_ = true;
++it;
ctx.advance_to(it);
return underlying_.parse(ctx);
}
template <typename R, typename FormatContext>
auto format(R&& range, FormatContext& ctx) const -> decltype(ctx.out()) {
detail::range_mapper<buffer_context<Char>> mapper;
auto out = ctx.out();
out = detail::copy_str<Char>(opening_bracket_, out);
int i = 0;
auto it = detail::range_begin(range);
auto end = detail::range_end(range);
for (; it != end; ++it) {
if (i > 0) out = detail::copy_str<Char>(separator_, out);
ctx.advance_to(out);
out = underlying_.format(mapper.map(*it), ctx);
++i;
}
out = detail::copy_str<Char>(closing_bracket_, out);
return out;
}
};
enum class range_format { disabled, map, set, sequence, string, debug_string };
namespace detail {
template <typename T>
struct range_format_kind_
: std::integral_constant<range_format,
std::is_same<uncvref_type<T>, T>::value
? range_format::disabled
: is_map<T>::value ? range_format::map
: is_set<T>::value ? range_format::set
: range_format::sequence> {};
template <range_format K, typename R, typename Char, typename Enable = void>
struct range_default_formatter;
template <range_format K>
using range_format_constant = std::integral_constant<range_format, K>;
template <range_format K, typename R, typename Char>
struct range_default_formatter<
K, R, Char,
enable_if_t<(K == range_format::sequence || K == range_format::map ||
K == range_format::set)>> {
using range_type = detail::maybe_const_range<R>;
range_formatter<detail::uncvref_type<range_type>, Char> underlying_;
FMT_CONSTEXPR range_default_formatter() { init(range_format_constant<K>()); }
FMT_CONSTEXPR void init(range_format_constant<range_format::set>) {
underlying_.set_brackets(detail::string_literal<Char, '{'>{},
detail::string_literal<Char, '}'>{});
}
FMT_CONSTEXPR void init(range_format_constant<range_format::map>) {
underlying_.set_brackets(detail::string_literal<Char, '{'>{},
detail::string_literal<Char, '}'>{});
underlying_.underlying().set_brackets({}, {});
underlying_.underlying().set_separator(
detail::string_literal<Char, ':', ' '>{});
}
FMT_CONSTEXPR void init(range_format_constant<range_format::sequence>) {}
template <typename ParseContext>
FMT_CONSTEXPR auto parse(ParseContext& ctx) -> decltype(ctx.begin()) {
return underlying_.parse(ctx);
}
template <typename FormatContext>
auto format(range_type& range, FormatContext& ctx) const
-> decltype(ctx.out()) {
Char prefix = detail::is_set<R>::value ? '{' : '[';
Char postfix = detail::is_set<R>::value ? '}' : ']';
detail::range_mapper<buffer_context<Char>> mapper;
auto out = ctx.out();
*out++ = prefix;
int i = 0;
auto it = detail::range_begin(range);
auto end = detail::range_end(range);
for (; it != end; ++it) {
if (i > 0) out = detail::write_delimiter(out);
if (custom_specs_) {
ctx.advance_to(out);
out = underlying_.format(mapper.map(*it), ctx);
} else {
out = detail::write_range_entry<Char>(out, *it);
}
++i;
}
*out++ = postfix;
return out;
return underlying_.format(range, ctx);
}
};
} // namespace detail
template <typename T, typename Char>
template <typename T, typename Char, typename Enable = void>
struct range_format_kind
: conditional_t<
is_range<T, Char>::value, detail::range_format_kind_<T>,
std::integral_constant<range_format, range_format::disabled>> {};
template <typename R, typename Char>
struct formatter<
T, Char,
enable_if_t<conjunction<detail::is_map<T>
// Workaround a bug in MSVC 2017 and earlier.
#if !FMT_MSC_VERSION || FMT_MSC_VERSION >= 1920
,
disjunction<
is_formattable<detail::uncvref_first_type<T>, Char>,
detail::has_fallback_formatter<detail::uncvref_first_type<T>, Char>
>,
disjunction<
is_formattable<detail::uncvref_second_type<T>, Char>,
detail::has_fallback_formatter<detail::uncvref_second_type<T>, Char>
>
R, Char,
enable_if_t<conjunction<bool_constant<range_format_kind<R, Char>::value !=
range_format::disabled>
// Workaround a bug in MSVC 2015 and earlier.
#if !FMT_MSC_VERSION || FMT_MSC_VERSION >= 1910
,
detail::is_formattable_delayed<R, Char>
#endif
>::value
>> {
template <typename ParseContext>
FMT_CONSTEXPR auto parse(ParseContext& ctx) -> decltype(ctx.begin()) {
return ctx.begin();
}
template <
typename FormatContext, typename U,
FMT_ENABLE_IF(
std::is_same<U, conditional_t<detail::has_const_begin_end<T>::value,
const T, T>>::value)>
auto format(U& map, FormatContext& ctx) const -> decltype(ctx.out()) {
auto out = ctx.out();
*out++ = '{';
int i = 0;
for (const auto& item : map) {
if (i > 0) out = detail::write_delimiter(out);
out = detail::write_range_entry<Char>(out, item.first);
*out++ = ':';
*out++ = ' ';
out = detail::write_range_entry<Char>(out, item.second);
++i;
}
*out++ = '}';
return out;
}
>::value>>
: detail::range_default_formatter<range_format_kind<R, Char>::value, R,
Char> {
};
template <typename Char, typename... T> struct tuple_join_view : detail::view {
@ -510,9 +579,6 @@ template <typename Char, typename... T> struct tuple_join_view : detail::view {
: tuple(t), sep{s} {}
};
template <typename Char, typename... T>
using tuple_arg_join = tuple_join_view<Char, T...>;
// Define FMT_TUPLE_JOIN_SPECIFIERS to enable experimental format specifiers
// support in tuple_join. It is disabled by default because of issues with
// the dynamic width and precision.
@ -582,7 +648,45 @@ struct formatter<tuple_join_view<Char, T...>, Char> {
}
};
FMT_MODULE_EXPORT_BEGIN
namespace detail {
// Check if T has an interface like a container adaptor (e.g. std::stack,
// std::queue, std::priority_queue).
template <typename T> class is_container_adaptor_like {
template <typename U> static auto check(U* p) -> typename U::container_type;
template <typename> static void check(...);
public:
static constexpr const bool value =
!std::is_void<decltype(check<T>(nullptr))>::value;
};
template <typename Container> struct all {
const Container& c;
auto begin() const -> typename Container::const_iterator { return c.begin(); }
auto end() const -> typename Container::const_iterator { return c.end(); }
};
} // namespace detail
template <typename T, typename Char>
struct formatter<
T, Char,
enable_if_t<conjunction<detail::is_container_adaptor_like<T>,
bool_constant<range_format_kind<T, Char>::value ==
range_format::disabled>>::value>>
: formatter<detail::all<typename T::container_type>, Char> {
using all = detail::all<typename T::container_type>;
template <typename FormatContext>
auto format(const T& t, FormatContext& ctx) const -> decltype(ctx.out()) {
struct getter : T {
static auto get(const T& t) -> all {
return {t.*(&getter::c)}; // Access c through the derived class.
}
};
return formatter<all>::format(getter::get(t), ctx);
}
};
FMT_BEGIN_EXPORT
/**
\rst
@ -625,7 +729,7 @@ auto join(std::initializer_list<T> list, string_view sep)
return join(std::begin(list), std::end(list), sep);
}
FMT_MODULE_EXPORT_END
FMT_END_EXPORT
FMT_END_NAMESPACE
#endif // FMT_RANGES_H_

375
dep/fmt/include/fmt/std.h
View File

@ -8,10 +8,18 @@
#ifndef FMT_STD_H_
#define FMT_STD_H_
#include <atomic>
#include <bitset>
#include <cstdlib>
#include <exception>
#include <memory>
#include <thread>
#include <type_traits>
#include <typeinfo>
#include <utility>
#include <vector>
#include "format.h"
#include "ostream.h"
#if FMT_HAS_INCLUDE(<version>)
@ -25,6 +33,30 @@
# if FMT_HAS_INCLUDE(<variant>)
# include <variant>
# endif
# if FMT_HAS_INCLUDE(<optional>)
# include <optional>
# endif
#endif
// GCC 4 does not support FMT_HAS_INCLUDE.
#if FMT_HAS_INCLUDE(<cxxabi.h>) || defined(__GLIBCXX__)
# include <cxxabi.h>
// Android NDK with gabi++ library on some architectures does not implement
// abi::__cxa_demangle().
# ifndef __GABIXX_CXXABI_H__
# define FMT_HAS_ABI_CXA_DEMANGLE
# endif
#endif
// Check if typeid is available.
#ifndef FMT_USE_TYPEID
// __RTTI is for EDG compilers. In MSVC typeid is available without RTTI.
# if defined(__GXX_RTTI) || FMT_HAS_FEATURE(cxx_rtti) || FMT_MSC_VERSION || \
defined(__INTEL_RTTI__) || defined(__RTTI)
# define FMT_USE_TYPEID 1
# else
# define FMT_USE_TYPEID 0
# endif
#endif
#ifdef __cpp_lib_filesystem
@ -32,21 +64,32 @@ FMT_BEGIN_NAMESPACE
namespace detail {
template <typename Char> auto get_path_string(const std::filesystem::path& p) {
return p.string<Char>();
}
template <typename Char>
void write_escaped_path(basic_memory_buffer<Char>& quoted,
const std::filesystem::path& p) {
write_escaped_string<Char>(std::back_inserter(quoted), p.string<Char>());
}
# ifdef _WIN32
template <>
inline void write_escaped_path<char>(basic_memory_buffer<char>& quoted,
const std::filesystem::path& p) {
auto s = p.u8string();
write_escaped_string<char>(
std::back_inserter(quoted),
string_view(reinterpret_cast<const char*>(s.c_str()), s.size()));
inline auto get_path_string<char>(const std::filesystem::path& p) {
return to_utf8<wchar_t>(p.native(), to_utf8_error_policy::replace);
}
# endif
template <>
inline void write_escaped_path<char>(memory_buffer& quoted,
const std::filesystem::path& p) {
auto buf = basic_memory_buffer<wchar_t>();
write_escaped_string<wchar_t>(std::back_inserter(buf), p.native());
bool valid = to_utf8<wchar_t>::convert(quoted, {buf.data(), buf.size()});
FMT_ASSERT(valid, "invalid utf16");
}
# endif // _WIN32
template <>
inline void write_escaped_path<std::filesystem::path::value_type>(
basic_memory_buffer<std::filesystem::path::value_type>& quoted,
@ -57,67 +100,118 @@ inline void write_escaped_path<std::filesystem::path::value_type>(
} // namespace detail
#if !FMT_MSC_VERSION || FMT_MSC_VERSION >= 1920
// For MSVC 2017 and earlier using the partial specialization
// would cause an ambiguity error, therefore we provide it only
// conditionally.
template <typename Char>
struct formatter<std::filesystem::path, Char>
: formatter<basic_string_view<Char>> {
FMT_EXPORT
template <typename Char> struct formatter<std::filesystem::path, Char> {
private:
format_specs<Char> specs_;
detail::arg_ref<Char> width_ref_;
bool debug_ = false;
public:
FMT_CONSTEXPR void set_debug_format(bool set = true) { debug_ = set; }
template <typename ParseContext> FMT_CONSTEXPR auto parse(ParseContext& ctx) {
auto it = ctx.begin(), end = ctx.end();
if (it == end) return it;
it = detail::parse_align(it, end, specs_);
if (it == end) return it;
it = detail::parse_dynamic_spec(it, end, specs_.width, width_ref_, ctx);
if (it != end && *it == '?') {
debug_ = true;
++it;
}
return it;
}
template <typename FormatContext>
auto format(const std::filesystem::path& p, FormatContext& ctx) const ->
typename FormatContext::iterator {
basic_memory_buffer<Char> quoted;
auto format(const std::filesystem::path& p, FormatContext& ctx) const {
auto specs = specs_;
detail::handle_dynamic_spec<detail::width_checker>(specs.width, width_ref_,
ctx);
if (!debug_) {
auto s = detail::get_path_string<Char>(p);
return detail::write(ctx.out(), basic_string_view<Char>(s), specs);
}
auto quoted = basic_memory_buffer<Char>();
detail::write_escaped_path(quoted, p);
return formatter<basic_string_view<Char>>::format(
basic_string_view<Char>(quoted.data(), quoted.size()), ctx);
return detail::write(ctx.out(),
basic_string_view<Char>(quoted.data(), quoted.size()),
specs);
}
};
#endif
FMT_END_NAMESPACE
#endif
FMT_BEGIN_NAMESPACE
FMT_EXPORT
template <typename Char>
struct formatter<std::thread::id, Char> : basic_ostream_formatter<Char> {};
FMT_END_NAMESPACE
#ifdef __cpp_lib_variant
#ifdef __cpp_lib_optional
FMT_BEGIN_NAMESPACE
template <typename Char> struct formatter<std::monostate, Char> {
template <typename ParseContext>
FMT_CONSTEXPR auto parse(ParseContext& ctx) -> decltype(ctx.begin()) {
return ctx.begin();
FMT_EXPORT
template <typename T, typename Char>
struct formatter<std::optional<T>, Char,
std::enable_if_t<is_formattable<T, Char>::value>> {
private:
formatter<T, Char> underlying_;
static constexpr basic_string_view<Char> optional =
detail::string_literal<Char, 'o', 'p', 't', 'i', 'o', 'n', 'a', 'l',
'('>{};
static constexpr basic_string_view<Char> none =
detail::string_literal<Char, 'n', 'o', 'n', 'e'>{};
template <class U>
FMT_CONSTEXPR static auto maybe_set_debug_format(U& u, bool set)
-> decltype(u.set_debug_format(set)) {
u.set_debug_format(set);
}
template <class U>
FMT_CONSTEXPR static void maybe_set_debug_format(U&, ...) {}
public:
template <typename ParseContext> FMT_CONSTEXPR auto parse(ParseContext& ctx) {
maybe_set_debug_format(underlying_, true);
return underlying_.parse(ctx);
}
template <typename FormatContext>
auto format(const std::monostate&, FormatContext& ctx) const
auto format(std::optional<T> const& opt, FormatContext& ctx) const
-> decltype(ctx.out()) {
if (!opt) return detail::write<Char>(ctx.out(), none);
auto out = ctx.out();
out = detail::write<Char>(out, "monostate");
return out;
out = detail::write<Char>(out, optional);
ctx.advance_to(out);
out = underlying_.format(*opt, ctx);
return detail::write(out, ')');
}
};
FMT_END_NAMESPACE
#endif // __cpp_lib_optional
#ifdef __cpp_lib_variant
FMT_BEGIN_NAMESPACE
namespace detail {
template <typename T>
using variant_index_sequence =
std::make_index_sequence<std::variant_size<T>::value>;
// variant_size and variant_alternative check.
template <typename T, typename U = void>
struct is_variant_like_ : std::false_type {};
template <typename T>
struct is_variant_like_<T, std::void_t<decltype(std::variant_size<T>::value)>>
: std::true_type {};
template <typename> struct is_variant_like_ : std::false_type {};
template <typename... Types>
struct is_variant_like_<std::variant<Types...>> : std::true_type {};
// formattable element check
// formattable element check.
template <typename T, typename C> class is_variant_formattable_ {
template <std::size_t... I>
template <std::size_t... Is>
static std::conjunction<
is_formattable<std::variant_alternative_t<I, T>, C>...>
check(std::index_sequence<I...>);
is_formattable<std::variant_alternative_t<Is, T>, C>...>
check(std::index_sequence<Is...>);
public:
static constexpr const bool value =
@ -145,6 +239,21 @@ template <typename T, typename C> struct is_variant_formattable {
detail::is_variant_formattable_<T, C>::value;
};
FMT_EXPORT
template <typename Char> struct formatter<std::monostate, Char> {
template <typename ParseContext>
FMT_CONSTEXPR auto parse(ParseContext& ctx) -> decltype(ctx.begin()) {
return ctx.begin();
}
template <typename FormatContext>
auto format(const std::monostate&, FormatContext& ctx) const
-> decltype(ctx.out()) {
return detail::write<Char>(ctx.out(), "monostate");
}
};
FMT_EXPORT
template <typename Variant, typename Char>
struct formatter<
Variant, Char,
@ -161,16 +270,196 @@ struct formatter<
auto out = ctx.out();
out = detail::write<Char>(out, "variant(");
std::visit(
[&](const auto& v) {
out = detail::write_variant_alternative<Char>(out, v);
},
value);
FMT_TRY {
std::visit(
[&](const auto& v) {
out = detail::write_variant_alternative<Char>(out, v);
},
value);
}
FMT_CATCH(const std::bad_variant_access&) {
detail::write<Char>(out, "valueless by exception");
}
*out++ = ')';
return out;
}
};
FMT_END_NAMESPACE
#endif // __cpp_lib_variant
FMT_BEGIN_NAMESPACE
FMT_EXPORT
template <typename Char> struct formatter<std::error_code, Char> {
template <typename ParseContext>
FMT_CONSTEXPR auto parse(ParseContext& ctx) -> decltype(ctx.begin()) {
return ctx.begin();
}
template <typename FormatContext>
FMT_CONSTEXPR auto format(const std::error_code& ec, FormatContext& ctx) const
-> decltype(ctx.out()) {
auto out = ctx.out();
out = detail::write_bytes(out, ec.category().name(), format_specs<Char>());
out = detail::write<Char>(out, Char(':'));
out = detail::write<Char>(out, ec.value());
return out;
}
};
FMT_EXPORT
template <typename T, typename Char>
struct formatter<
T, Char,
typename std::enable_if<std::is_base_of<std::exception, T>::value>::type> {
private:
bool with_typename_ = false;
public:
FMT_CONSTEXPR auto parse(basic_format_parse_context<Char>& ctx)
-> decltype(ctx.begin()) {
auto it = ctx.begin();
auto end = ctx.end();
if (it == end || *it == '}') return it;
if (*it == 't') {
++it;
with_typename_ = FMT_USE_TYPEID != 0;
}
return it;
}
template <typename OutputIt>
auto format(const std::exception& ex,
basic_format_context<OutputIt, Char>& ctx) const -> OutputIt {
format_specs<Char> spec;
auto out = ctx.out();
if (!with_typename_)
return detail::write_bytes(out, string_view(ex.what()), spec);
#if FMT_USE_TYPEID
const std::type_info& ti = typeid(ex);
# ifdef FMT_HAS_ABI_CXA_DEMANGLE
int status = 0;
std::size_t size = 0;
std::unique_ptr<char, decltype(&std::free)> demangled_name_ptr(
abi::__cxa_demangle(ti.name(), nullptr, &size, &status), &std::free);
string_view demangled_name_view;
if (demangled_name_ptr) {
demangled_name_view = demangled_name_ptr.get();
// Normalization of stdlib inline namespace names.
// libc++ inline namespaces.
// std::__1::* -> std::*
// std::__1::__fs::* -> std::*
// libstdc++ inline namespaces.
// std::__cxx11::* -> std::*
// std::filesystem::__cxx11::* -> std::filesystem::*
if (demangled_name_view.starts_with("std::")) {
char* begin = demangled_name_ptr.get();
char* to = begin + 5; // std::
for (char *from = to, *end = begin + demangled_name_view.size();
from < end;) {
// This is safe, because demangled_name is NUL-terminated.
if (from[0] == '_' && from[1] == '_') {
char* next = from + 1;
while (next < end && *next != ':') next++;
if (next[0] == ':' && next[1] == ':') {
from = next + 2;
continue;
}
}
*to++ = *from++;
}
demangled_name_view = {begin, detail::to_unsigned(to - begin)};
}
} else {
demangled_name_view = string_view(ti.name());
}
out = detail::write_bytes(out, demangled_name_view, spec);
# elif FMT_MSC_VERSION
string_view demangled_name_view(ti.name());
if (demangled_name_view.starts_with("class "))
demangled_name_view.remove_prefix(6);
else if (demangled_name_view.starts_with("struct "))
demangled_name_view.remove_prefix(7);
out = detail::write_bytes(out, demangled_name_view, spec);
# else
out = detail::write_bytes(out, string_view(ti.name()), spec);
# endif
*out++ = ':';
*out++ = ' ';
return detail::write_bytes(out, string_view(ex.what()), spec);
#endif
}
};
namespace detail {
template <typename T, typename Enable = void>
struct has_flip : std::false_type {};
template <typename T>
struct has_flip<T, void_t<decltype(std::declval<T>().flip())>>
: std::true_type {};
template <typename T> struct is_bit_reference_like {
static constexpr const bool value =
std::is_convertible<T, bool>::value &&
std::is_nothrow_assignable<T, bool>::value && has_flip<T>::value;
};
#ifdef _LIBCPP_VERSION
// Workaround for libc++ incompatibility with C++ standard.
// According to the Standard, `bitset::operator[] const` returns bool.
template <typename C>
struct is_bit_reference_like<std::__bit_const_reference<C>> {
static constexpr const bool value = true;
};
#endif
} // namespace detail
// We can't use std::vector<bool, Allocator>::reference and
// std::bitset<N>::reference because the compiler can't deduce Allocator and N
// in partial specialization.
FMT_EXPORT
template <typename BitRef, typename Char>
struct formatter<BitRef, Char,
enable_if_t<detail::is_bit_reference_like<BitRef>::value>>
: formatter<bool, Char> {
template <typename FormatContext>
FMT_CONSTEXPR auto format(const BitRef& v, FormatContext& ctx) const
-> decltype(ctx.out()) {
return formatter<bool, Char>::format(v, ctx);
}
};
FMT_EXPORT
template <typename T, typename Char>
struct formatter<std::atomic<T>, Char,
enable_if_t<is_formattable<T, Char>::value>>
: formatter<T, Char> {
template <typename FormatContext>
auto format(const std::atomic<T>& v, FormatContext& ctx) const
-> decltype(ctx.out()) {
return formatter<T, Char>::format(v.load(), ctx);
}
};
#ifdef __cpp_lib_atomic_flag_test
FMT_EXPORT
template <typename Char>
struct formatter<std::atomic_flag, Char>
: formatter<bool, Char> {
template <typename FormatContext>
auto format(const std::atomic_flag& v, FormatContext& ctx) const
-> decltype(ctx.out()) {
return formatter<bool, Char>::format(v.test(), ctx);
}
};
#endif // __cpp_lib_atomic_flag_test
FMT_END_NAMESPACE
#endif // FMT_STD_H_

108
dep/fmt/include/fmt/xchar.h
View File

@ -9,17 +9,35 @@
#define FMT_XCHAR_H_
#include <cwchar>
#include <tuple>
#include "format.h"
#ifndef FMT_STATIC_THOUSANDS_SEPARATOR
# include <locale>
#endif
FMT_BEGIN_NAMESPACE
namespace detail {
template <typename T>
using is_exotic_char = bool_constant<!std::is_same<T, char>::value>;
}
FMT_MODULE_EXPORT_BEGIN
inline auto write_loc(std::back_insert_iterator<detail::buffer<wchar_t>> out,
loc_value value, const format_specs<wchar_t>& specs,
locale_ref loc) -> bool {
#ifndef FMT_STATIC_THOUSANDS_SEPARATOR
auto& numpunct =
std::use_facet<std::numpunct<wchar_t>>(loc.get<std::locale>());
auto separator = std::wstring();
auto grouping = numpunct.grouping();
if (!grouping.empty()) separator = std::wstring(1, numpunct.thousands_sep());
return value.visit(loc_writer<wchar_t>{out, specs, separator, grouping, {}});
#endif
return false;
}
} // namespace detail
FMT_BEGIN_EXPORT
using wstring_view = basic_string_view<wchar_t>;
using wformat_parse_context = basic_format_parse_context<wchar_t>;
@ -30,9 +48,13 @@ using wmemory_buffer = basic_memory_buffer<wchar_t>;
#if FMT_GCC_VERSION && FMT_GCC_VERSION < 409
// Workaround broken conversion on older gcc.
template <typename... Args> using wformat_string = wstring_view;
inline auto runtime(wstring_view s) -> wstring_view { return s; }
#else
template <typename... Args>
using wformat_string = basic_format_string<wchar_t, type_identity_t<Args>...>;
inline auto runtime(wstring_view s) -> runtime_format_string<wchar_t> {
return {{s}};
}
#endif
template <> struct is_char<wchar_t> : std::true_type {};
@ -40,9 +62,9 @@ template <> struct is_char<detail::char8_type> : std::true_type {};
template <> struct is_char<char16_t> : std::true_type {};
template <> struct is_char<char32_t> : std::true_type {};
template <typename... Args>
constexpr format_arg_store<wformat_context, Args...> make_wformat_args(
const Args&... args) {
template <typename... T>
constexpr format_arg_store<wformat_context, T...> make_wformat_args(
const T&... args) {
return {args...};
}
@ -77,26 +99,22 @@ template <typename Char, FMT_ENABLE_IF(!std::is_same<Char, char>::value)>
auto vformat(basic_string_view<Char> format_str,
basic_format_args<buffer_context<type_identity_t<Char>>> args)
-> std::basic_string<Char> {
basic_memory_buffer<Char> buffer;
detail::vformat_to(buffer, format_str, args);
return to_string(buffer);
auto buf = basic_memory_buffer<Char>();
detail::vformat_to(buf, format_str, args);
return to_string(buf);
}
#if !FMT_GCC_VERSION || FMT_GCC_VERSION >= 409
template <typename... Args>
using wformat_string = basic_format_string<wchar_t, type_identity_t<Args>...>;
#endif
template <typename... T>
auto format(wformat_string<T...> fmt, T&&... args) -> std::wstring {
return vformat(fmt, fmt::make_wformat_args(args...));
return vformat(fmt::wstring_view(fmt), fmt::make_wformat_args(args...));
}
// Pass char_t as a default template parameter instead of using
// std::basic_string<char_t<S>> to reduce the symbol size.
template <typename S, typename... Args, typename Char = char_t<S>,
FMT_ENABLE_IF(!std::is_same<Char, char>::value)>
auto format(const S& format_str, Args&&... args) -> std::basic_string<Char> {
template <typename S, typename... T, typename Char = char_t<S>,
FMT_ENABLE_IF(!std::is_same<Char, char>::value &&
!std::is_same<Char, wchar_t>::value)>
auto format(const S& format_str, T&&... args) -> std::basic_string<Char> {
return vformat(detail::to_string_view(format_str),
fmt::make_format_args<buffer_context<Char>>(args...));
}
@ -111,11 +129,10 @@ inline auto vformat(
return detail::vformat(loc, detail::to_string_view(format_str), args);
}
template <typename Locale, typename S, typename... Args,
typename Char = char_t<S>,
template <typename Locale, typename S, typename... T, typename Char = char_t<S>,
FMT_ENABLE_IF(detail::is_locale<Locale>::value&&
detail::is_exotic_char<Char>::value)>
inline auto format(const Locale& loc, const S& format_str, Args&&... args)
inline auto format(const Locale& loc, const S& format_str, T&&... args)
-> std::basic_string<Char> {
return detail::vformat(loc, detail::to_string_view(format_str),
fmt::make_format_args<buffer_context<Char>>(args...));
@ -129,14 +146,14 @@ auto vformat_to(OutputIt out, const S& format_str,
-> OutputIt {
auto&& buf = detail::get_buffer<Char>(out);
detail::vformat_to(buf, detail::to_string_view(format_str), args);
return detail::get_iterator(buf);
return detail::get_iterator(buf, out);
}
template <typename OutputIt, typename S, typename... Args,
template <typename OutputIt, typename S, typename... T,
typename Char = char_t<S>,
FMT_ENABLE_IF(detail::is_output_iterator<OutputIt, Char>::value&&
detail::is_exotic_char<Char>::value)>
inline auto format_to(OutputIt out, const S& fmt, Args&&... args) -> OutputIt {
inline auto format_to(OutputIt out, const S& fmt, T&&... args) -> OutputIt {
return vformat_to(out, detail::to_string_view(fmt),
fmt::make_format_args<buffer_context<Char>>(args...));
}
@ -152,18 +169,18 @@ inline auto vformat_to(
auto&& buf = detail::get_buffer<Char>(out);
vformat_to(buf, detail::to_string_view(format_str), args,
detail::locale_ref(loc));
return detail::get_iterator(buf);
return detail::get_iterator(buf, out);
}
template <
typename OutputIt, typename Locale, typename S, typename... Args,
typename OutputIt, typename Locale, typename S, typename... T,
typename Char = char_t<S>,
bool enable = detail::is_output_iterator<OutputIt, Char>::value&&
detail::is_locale<Locale>::value&& detail::is_exotic_char<Char>::value>
inline auto format_to(OutputIt out, const Locale& loc, const S& format_str,
Args&&... args) ->
T&&... args) ->
typename std::enable_if<enable, OutputIt>::type {
return vformat_to(out, loc, to_string_view(format_str),
return vformat_to(out, loc, detail::to_string_view(format_str),
fmt::make_format_args<buffer_context<Char>>(args...));
}
@ -174,36 +191,36 @@ inline auto vformat_to_n(
OutputIt out, size_t n, basic_string_view<Char> format_str,
basic_format_args<buffer_context<type_identity_t<Char>>> args)
-> format_to_n_result<OutputIt> {
detail::iterator_buffer<OutputIt, Char, detail::fixed_buffer_traits> buf(out,
n);
using traits = detail::fixed_buffer_traits;
auto buf = detail::iterator_buffer<OutputIt, Char, traits>(out, n);
detail::vformat_to(buf, format_str, args);
return {buf.out(), buf.count()};
}
template <typename OutputIt, typename S, typename... Args,
template <typename OutputIt, typename S, typename... T,
typename Char = char_t<S>,
FMT_ENABLE_IF(detail::is_output_iterator<OutputIt, Char>::value&&
detail::is_exotic_char<Char>::value)>
inline auto format_to_n(OutputIt out, size_t n, const S& fmt,
const Args&... args) -> format_to_n_result<OutputIt> {
inline auto format_to_n(OutputIt out, size_t n, const S& fmt, T&&... args)
-> format_to_n_result<OutputIt> {
return vformat_to_n(out, n, detail::to_string_view(fmt),
fmt::make_format_args<buffer_context<Char>>(args...));
}
template <typename S, typename... Args, typename Char = char_t<S>,
template <typename S, typename... T, typename Char = char_t<S>,
FMT_ENABLE_IF(detail::is_exotic_char<Char>::value)>
inline auto formatted_size(const S& fmt, Args&&... args) -> size_t {
detail::counting_buffer<Char> buf;
inline auto formatted_size(const S& fmt, T&&... args) -> size_t {
auto buf = detail::counting_buffer<Char>();
detail::vformat_to(buf, detail::to_string_view(fmt),
fmt::make_format_args<buffer_context<Char>>(args...));
return buf.count();
}
inline void vprint(std::FILE* f, wstring_view fmt, wformat_args args) {
wmemory_buffer buffer;
detail::vformat_to(buffer, fmt, args);
buffer.push_back(L'\0');
if (std::fputws(buffer.data(), f) == -1)
auto buf = wmemory_buffer();
detail::vformat_to(buf, fmt, args);
buf.push_back(L'\0');
if (std::fputws(buf.data(), f) == -1)
FMT_THROW(system_error(errno, FMT_STRING("cannot write to file")));
}
@ -220,13 +237,22 @@ template <typename... T> void print(wformat_string<T...> fmt, T&&... args) {
return vprint(wstring_view(fmt), fmt::make_wformat_args(args...));
}
template <typename... T>
void println(std::FILE* f, wformat_string<T...> fmt, T&&... args) {
return print(f, L"{}\n", fmt::format(fmt, std::forward<T>(args)...));
}
template <typename... T> void println(wformat_string<T...> fmt, T&&... args) {
return print(L"{}\n", fmt::format(fmt, std::forward<T>(args)...));
}
/**
Converts *value* to ``std::wstring`` using the default format for type *T*.
*/
template <typename T> inline auto to_wstring(const T& value) -> std::wstring {
return format(FMT_STRING(L"{}"), value);
}
FMT_MODULE_EXPORT_END
FMT_END_EXPORT
FMT_END_NAMESPACE
#endif // FMT_XCHAR_H_