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Update fmt library.

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This commit is contained in:
Sandu Liviu Catalin 2021-03-30 20:32:25 +03:00
parent 7a255f065f
commit eea5dd7743
12 changed files with 1875 additions and 1392 deletions
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232
vendor/Fmt/include/fmt/args.h vendored Normal file
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@ -0,0 +1,232 @@
// Formatting library for C++ - dynamic format arguments
//
// Copyright (c) 2012 - present, Victor Zverovich
// All rights reserved.
//
// For the license information refer to format.h.
#ifndef FMT_ARGS_H_
#define FMT_ARGS_H_
#include <functional> // std::reference_wrapper
#include <memory> // std::unique_ptr
#include <vector>
#include "core.h"
FMT_BEGIN_NAMESPACE
namespace detail {
template <typename T> struct is_reference_wrapper : std::false_type {};
template <typename T>
struct is_reference_wrapper<std::reference_wrapper<T>> : std::true_type {};
template <typename T> const T& unwrap(const T& v) { return v; }
template <typename T> const T& unwrap(const std::reference_wrapper<T>& v) {
return static_cast<const T&>(v);
}
class dynamic_arg_list {
// Workaround for clang's -Wweak-vtables. Unlike for regular classes, for
// templates it doesn't complain about inability to deduce single translation
// unit for placing vtable. So storage_node_base is made a fake template.
template <typename = void> struct node {
virtual ~node() = default;
std::unique_ptr<node<>> next;
};
template <typename T> struct typed_node : node<> {
T value;
template <typename Arg>
FMT_CONSTEXPR typed_node(const Arg& arg) : value(arg) {}
template <typename Char>
FMT_CONSTEXPR typed_node(const basic_string_view<Char>& arg)
: value(arg.data(), arg.size()) {}
};
std::unique_ptr<node<>> head_;
public:
template <typename T, typename Arg> const T& push(const Arg& arg) {
auto new_node = std::unique_ptr<typed_node<T>>(new typed_node<T>(arg));
auto& value = new_node->value;
new_node->next = std::move(head_);
head_ = std::move(new_node);
return value;
}
};
} // namespace detail
/**
\rst
A dynamic version of `fmt::format_arg_store`.
It's equipped with a storage to potentially temporary objects which lifetimes
could be shorter than the format arguments object.
It can be implicitly converted into `~fmt::basic_format_args` for passing
into type-erased formatting functions such as `~fmt::vformat`.
\endrst
*/
template <typename Context>
class dynamic_format_arg_store
#if FMT_GCC_VERSION && FMT_GCC_VERSION < 409
// Workaround a GCC template argument substitution bug.
: public basic_format_args<Context>
#endif
{
private:
using char_type = typename Context::char_type;
template <typename T> struct need_copy {
static constexpr detail::type mapped_type =
detail::mapped_type_constant<T, Context>::value;
enum {
value = !(detail::is_reference_wrapper<T>::value ||
std::is_same<T, basic_string_view<char_type>>::value ||
std::is_same<T, detail::std_string_view<char_type>>::value ||
(mapped_type != detail::type::cstring_type &&
mapped_type != detail::type::string_type &&
mapped_type != detail::type::custom_type))
};
};
template <typename T>
using stored_type = conditional_t<detail::is_string<T>::value &&
!has_formatter<T, Context>::value &&
!detail::is_reference_wrapper<T>::value,
std::basic_string<char_type>, T>;
// Storage of basic_format_arg must be contiguous.
std::vector<basic_format_arg<Context>> data_;
std::vector<detail::named_arg_info<char_type>> named_info_;
// Storage of arguments not fitting into basic_format_arg must grow
// without relocation because items in data_ refer to it.
detail::dynamic_arg_list dynamic_args_;
friend class basic_format_args<Context>;
unsigned long long get_types() const {
return detail::is_unpacked_bit | data_.size() |
(named_info_.empty()
? 0ULL
: static_cast<unsigned long long>(detail::has_named_args_bit));
}
const basic_format_arg<Context>* data() const {
return named_info_.empty() ? data_.data() : data_.data() + 1;
}
template <typename T> void emplace_arg(const T& arg) {
data_.emplace_back(detail::make_arg<Context>(arg));
}
template <typename T>
void emplace_arg(const detail::named_arg<char_type, T>& arg) {
if (named_info_.empty()) {
constexpr const detail::named_arg_info<char_type>* zero_ptr{nullptr};
data_.insert(data_.begin(), {zero_ptr, 0});
}
data_.emplace_back(detail::make_arg<Context>(detail::unwrap(arg.value)));
auto pop_one = [](std::vector<basic_format_arg<Context>>* data) {
data->pop_back();
};
std::unique_ptr<std::vector<basic_format_arg<Context>>, decltype(pop_one)>
guard{&data_, pop_one};
named_info_.push_back({arg.name, static_cast<int>(data_.size() - 2u)});
data_[0].value_.named_args = {named_info_.data(), named_info_.size()};
guard.release();
}
public:
/**
\rst
Adds an argument into the dynamic store for later passing to a formatting
function.
Note that custom types and string types (but not string views) are copied
into the store dynamically allocating memory if necessary.
**Example**::
fmt::dynamic_format_arg_store<fmt::format_context> store;
store.push_back(42);
store.push_back("abc");
store.push_back(1.5f);
std::string result = fmt::vformat("{} and {} and {}", store);
\endrst
*/
template <typename T> void push_back(const T& arg) {
if (detail::const_check(need_copy<T>::value))
emplace_arg(dynamic_args_.push<stored_type<T>>(arg));
else
emplace_arg(detail::unwrap(arg));
}
/**
\rst
Adds a reference to the argument into the dynamic store for later passing to
a formatting function.
**Example**::
fmt::dynamic_format_arg_store<fmt::format_context> store;
char band[] = "Rolling Stones";
store.push_back(std::cref(band));
band[9] = 'c'; // Changing str affects the output.
std::string result = fmt::vformat("{}", store);
// result == "Rolling Scones"
\endrst
*/
template <typename T> void push_back(std::reference_wrapper<T> arg) {
static_assert(
need_copy<T>::value,
"objects of built-in types and string views are always copied");
emplace_arg(arg.get());
}
/**
Adds named argument into the dynamic store for later passing to a formatting
function. ``std::reference_wrapper`` is supported to avoid copying of the
argument. The name is always copied into the store.
*/
template <typename T>
void push_back(const detail::named_arg<char_type, T>& arg) {
const char_type* arg_name =
dynamic_args_.push<std::basic_string<char_type>>(arg.name).c_str();
if (detail::const_check(need_copy<T>::value)) {
emplace_arg(
fmt::arg(arg_name, dynamic_args_.push<stored_type<T>>(arg.value)));
} else {
emplace_arg(fmt::arg(arg_name, arg.value));
}
}
/** Erase all elements from the store */
void clear() {
data_.clear();
named_info_.clear();
dynamic_args_ = detail::dynamic_arg_list();
}
/**
\rst
Reserves space to store at least *new_cap* arguments including
*new_cap_named* named arguments.
\endrst
*/
void reserve(size_t new_cap, size_t new_cap_named) {
FMT_ASSERT(new_cap >= new_cap_named,
"Set of arguments includes set of named arguments");
data_.reserve(new_cap);
named_info_.reserve(new_cap_named);
}
};
FMT_END_NAMESPACE
#endif // FMT_ARGS_H_

214
vendor/Fmt/include/fmt/chrono.h vendored
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@ -8,6 +8,7 @@
#ifndef FMT_CHRONO_H_
#define FMT_CHRONO_H_
#include <algorithm>
#include <chrono>
#include <ctime>
#include <locale>
@ -288,7 +289,11 @@ inline null<> gmtime_r(...) { return null<>(); }
inline null<> gmtime_s(...) { return null<>(); }
} // namespace detail
// Thread-safe replacement for std::localtime
/**
Converts given time since epoch as ``std::time_t`` value into calendar time,
expressed in local time. Unlike ``std::localtime``, this function is
thread-safe on most platforms.
*/
inline std::tm localtime(std::time_t time) {
struct dispatcher {
std::time_t time_;
@ -330,7 +335,11 @@ inline std::tm localtime(
return localtime(std::chrono::system_clock::to_time_t(time_point));
}
// Thread-safe replacement for std::gmtime
/**
Converts given time since epoch as ``std::time_t`` value into calendar time,
expressed in Coordinated Universal Time (UTC). Unlike ``std::gmtime``, this
function is thread-safe on most platforms.
*/
inline std::tm gmtime(std::time_t time) {
struct dispatcher {
std::time_t time_;
@ -374,12 +383,21 @@ inline std::tm gmtime(
namespace detail {
inline size_t strftime(char* str, size_t count, const char* format,
const std::tm* time) {
return std::strftime(str, count, format, time);
// Assign to a pointer to suppress GCCs -Wformat-nonliteral
// First assign the nullptr to suppress -Wsuggest-attribute=format
std::size_t (*strftime)(char*, std::size_t, const char*, const std::tm*) =
nullptr;
strftime = std::strftime;
return strftime(str, count, format, time);
}
inline size_t strftime(wchar_t* str, size_t count, const wchar_t* format,
const std::tm* time) {
return std::wcsftime(str, count, format, time);
// See above
std::size_t (*wcsftime)(wchar_t*, std::size_t, const wchar_t*,
const std::tm*) = nullptr;
wcsftime = std::wcsftime;
return wcsftime(str, count, format, time);
}
} // namespace detail
@ -396,19 +414,21 @@ struct formatter<std::chrono::time_point<std::chrono::system_clock>, Char>
template <typename Char> struct formatter<std::tm, Char> {
template <typename ParseContext>
auto parse(ParseContext& ctx) -> decltype(ctx.begin()) {
FMT_CONSTEXPR auto parse(ParseContext& ctx) -> decltype(ctx.begin()) {
auto it = ctx.begin();
if (it != ctx.end() && *it == ':') ++it;
auto end = it;
while (end != ctx.end() && *end != '}') ++end;
tm_format.reserve(detail::to_unsigned(end - it + 1));
tm_format.append(it, end);
tm_format.push_back('\0');
specs = {it, detail::to_unsigned(end - it)};
return end;
}
template <typename FormatContext>
auto format(const std::tm& tm, FormatContext& ctx) -> decltype(ctx.out()) {
auto format(const std::tm& tm, FormatContext& ctx) const
-> decltype(ctx.out()) {
basic_memory_buffer<Char> tm_format;
tm_format.append(specs.begin(), specs.end());
tm_format.push_back('\0');
basic_memory_buffer<Char> buf;
size_t start = buf.size();
for (;;) {
@ -431,34 +451,68 @@ template <typename Char> struct formatter<std::tm, Char> {
return std::copy(buf.begin(), buf.end(), ctx.out());
}
basic_memory_buffer<Char> tm_format;
basic_string_view<Char> specs;
};
namespace detail {
template <typename Period> FMT_CONSTEXPR const char* get_units() {
return nullptr;
}
template <> FMT_CONSTEXPR const char* get_units<std::atto>() { return "as"; }
template <> FMT_CONSTEXPR const char* get_units<std::femto>() { return "fs"; }
template <> FMT_CONSTEXPR const char* get_units<std::pico>() { return "ps"; }
template <> FMT_CONSTEXPR const char* get_units<std::nano>() { return "ns"; }
template <> FMT_CONSTEXPR const char* get_units<std::micro>() { return "µs"; }
template <> FMT_CONSTEXPR const char* get_units<std::milli>() { return "ms"; }
template <> FMT_CONSTEXPR const char* get_units<std::centi>() { return "cs"; }
template <> FMT_CONSTEXPR const char* get_units<std::deci>() { return "ds"; }
template <> FMT_CONSTEXPR const char* get_units<std::ratio<1>>() { return "s"; }
template <> FMT_CONSTEXPR const char* get_units<std::deca>() { return "das"; }
template <> FMT_CONSTEXPR const char* get_units<std::hecto>() { return "hs"; }
template <> FMT_CONSTEXPR const char* get_units<std::kilo>() { return "ks"; }
template <> FMT_CONSTEXPR const char* get_units<std::mega>() { return "Ms"; }
template <> FMT_CONSTEXPR const char* get_units<std::giga>() { return "Gs"; }
template <> FMT_CONSTEXPR const char* get_units<std::tera>() { return "Ts"; }
template <> FMT_CONSTEXPR const char* get_units<std::peta>() { return "Ps"; }
template <> FMT_CONSTEXPR const char* get_units<std::exa>() { return "Es"; }
template <> FMT_CONSTEXPR const char* get_units<std::ratio<60>>() {
template <> FMT_CONSTEXPR inline const char* get_units<std::atto>() {
return "as";
}
template <> FMT_CONSTEXPR inline const char* get_units<std::femto>() {
return "fs";
}
template <> FMT_CONSTEXPR inline const char* get_units<std::pico>() {
return "ps";
}
template <> FMT_CONSTEXPR inline const char* get_units<std::nano>() {
return "ns";
}
template <> FMT_CONSTEXPR inline const char* get_units<std::micro>() {
return "µs";
}
template <> FMT_CONSTEXPR inline const char* get_units<std::milli>() {
return "ms";
}
template <> FMT_CONSTEXPR inline const char* get_units<std::centi>() {
return "cs";
}
template <> FMT_CONSTEXPR inline const char* get_units<std::deci>() {
return "ds";
}
template <> FMT_CONSTEXPR inline const char* get_units<std::ratio<1>>() {
return "s";
}
template <> FMT_CONSTEXPR inline const char* get_units<std::deca>() {
return "das";
}
template <> FMT_CONSTEXPR inline const char* get_units<std::hecto>() {
return "hs";
}
template <> FMT_CONSTEXPR inline const char* get_units<std::kilo>() {
return "ks";
}
template <> FMT_CONSTEXPR inline const char* get_units<std::mega>() {
return "Ms";
}
template <> FMT_CONSTEXPR inline const char* get_units<std::giga>() {
return "Gs";
}
template <> FMT_CONSTEXPR inline const char* get_units<std::tera>() {
return "Ts";
}
template <> FMT_CONSTEXPR inline const char* get_units<std::peta>() {
return "Ps";
}
template <> FMT_CONSTEXPR inline const char* get_units<std::exa>() {
return "Es";
}
template <> FMT_CONSTEXPR inline const char* get_units<std::ratio<60>>() {
return "m";
}
template <> FMT_CONSTEXPR const char* get_units<std::ratio<3600>>() {
template <> FMT_CONSTEXPR inline const char* get_units<std::ratio<3600>>() {
return "h";
}
@ -629,28 +683,29 @@ FMT_CONSTEXPR const Char* parse_chrono_format(const Char* begin,
struct chrono_format_checker {
FMT_NORETURN void report_no_date() { FMT_THROW(format_error("no date")); }
template <typename Char> void on_text(const Char*, const Char*) {}
template <typename Char>
FMT_CONSTEXPR void on_text(const Char*, const Char*) {}
FMT_NORETURN void on_abbr_weekday() { report_no_date(); }
FMT_NORETURN void on_full_weekday() { report_no_date(); }
FMT_NORETURN void on_dec0_weekday(numeric_system) { report_no_date(); }
FMT_NORETURN void on_dec1_weekday(numeric_system) { report_no_date(); }
FMT_NORETURN void on_abbr_month() { report_no_date(); }
FMT_NORETURN void on_full_month() { report_no_date(); }
void on_24_hour(numeric_system) {}
void on_12_hour(numeric_system) {}
void on_minute(numeric_system) {}
void on_second(numeric_system) {}
FMT_CONSTEXPR void on_24_hour(numeric_system) {}
FMT_CONSTEXPR void on_12_hour(numeric_system) {}
FMT_CONSTEXPR void on_minute(numeric_system) {}
FMT_CONSTEXPR void on_second(numeric_system) {}
FMT_NORETURN void on_datetime(numeric_system) { report_no_date(); }
FMT_NORETURN void on_loc_date(numeric_system) { report_no_date(); }
FMT_NORETURN void on_loc_time(numeric_system) { report_no_date(); }
FMT_NORETURN void on_us_date() { report_no_date(); }
FMT_NORETURN void on_iso_date() { report_no_date(); }
void on_12_hour_time() {}
void on_24_hour_time() {}
void on_iso_time() {}
void on_am_pm() {}
void on_duration_value() {}
void on_duration_unit() {}
FMT_CONSTEXPR void on_12_hour_time() {}
FMT_CONSTEXPR void on_24_hour_time() {}
FMT_CONSTEXPR void on_iso_time() {}
FMT_CONSTEXPR void on_am_pm() {}
FMT_CONSTEXPR void on_duration_value() {}
FMT_CONSTEXPR void on_duration_unit() {}
FMT_NORETURN void on_utc_offset() { report_no_date(); }
FMT_NORETURN void on_tz_name() { report_no_date(); }
};
@ -676,7 +731,8 @@ inline bool isfinite(T value) {
// Converts value to int and checks that it's in the range [0, upper).
template <typename T, FMT_ENABLE_IF(std::is_integral<T>::value)>
inline int to_nonnegative_int(T value, int upper) {
FMT_ASSERT(value >= 0 && value <= upper, "invalid value");
FMT_ASSERT(value >= 0 && to_unsigned(value) <= to_unsigned(upper),
"invalid value");
(void)upper;
return static_cast<int>(value);
}
@ -754,15 +810,21 @@ inline std::chrono::duration<Rep, std::milli> get_milliseconds(
return std::chrono::duration<Rep, std::milli>(static_cast<Rep>(ms));
}
template <typename Char, typename Rep, typename OutputIt>
OutputIt format_duration_value(OutputIt out, Rep val, int precision) {
const Char pr_f[] = {'{', ':', '.', '{', '}', 'f', '}', 0};
if (precision >= 0) return format_to(out, pr_f, val, precision);
const Char fp_f[] = {'{', ':', 'g', '}', 0};
const Char format[] = {'{', '}', 0};
return format_to(out, std::is_floating_point<Rep>::value ? fp_f : format,
val);
template <typename Char, typename Rep, typename OutputIt,
FMT_ENABLE_IF(std::is_integral<Rep>::value)>
OutputIt format_duration_value(OutputIt out, Rep val, int) {
return write<Char>(out, val);
}
template <typename Char, typename Rep, typename OutputIt,
FMT_ENABLE_IF(std::is_floating_point<Rep>::value)>
OutputIt format_duration_value(OutputIt out, Rep val, int precision) {
auto specs = basic_format_specs<Char>();
specs.precision = precision;
specs.type = precision > 0 ? 'f' : 'g';
return write<Char>(out, val, specs);
}
template <typename Char, typename OutputIt>
OutputIt copy_unit(string_view unit, OutputIt out, Char) {
return std::copy(unit.begin(), unit.end(), out);
@ -780,10 +842,15 @@ template <typename Char, typename Period, typename OutputIt>
OutputIt format_duration_unit(OutputIt out) {
if (const char* unit = get_units<Period>())
return copy_unit(string_view(unit), out, Char());
const Char num_f[] = {'[', '{', '}', ']', 's', 0};
if (const_check(Period::den == 1)) return format_to(out, num_f, Period::num);
const Char num_def_f[] = {'[', '{', '}', '/', '{', '}', ']', 's', 0};
return format_to(out, num_def_f, Period::num, Period::den);
*out++ = '[';
out = write<Char>(out, Period::num);
if (const_check(Period::den != 1)) {
*out++ = '/';
out = write<Char>(out, Period::den);
}
*out++ = ']';
*out++ = 's';
return out;
}
template <typename FormatContext, typename OutputIt, typename Rep,
@ -1011,11 +1078,11 @@ template <typename Rep, typename Period, typename Char>
struct formatter<std::chrono::duration<Rep, Period>, Char> {
private:
basic_format_specs<Char> specs;
int precision;
int precision = -1;
using arg_ref_type = detail::arg_ref<Char>;
arg_ref_type width_ref;
arg_ref_type precision_ref;
mutable basic_string_view<Char> format_str;
basic_string_view<Char> format_str;
using duration = std::chrono::duration<Rep, Period>;
struct spec_handler {
@ -1038,17 +1105,21 @@ struct formatter<std::chrono::duration<Rep, Period>, Char> {
}
void on_error(const char* msg) { FMT_THROW(format_error(msg)); }
void on_fill(basic_string_view<Char> fill) { f.specs.fill = fill; }
void on_align(align_t align) { f.specs.align = align; }
void on_width(int width) { f.specs.width = width; }
void on_precision(int _precision) { f.precision = _precision; }
void end_precision() {}
FMT_CONSTEXPR void on_fill(basic_string_view<Char> fill) {
f.specs.fill = fill;
}
FMT_CONSTEXPR void on_align(align_t align) { f.specs.align = align; }
FMT_CONSTEXPR void on_width(int width) { f.specs.width = width; }
FMT_CONSTEXPR void on_precision(int _precision) {
f.precision = _precision;
}
FMT_CONSTEXPR void end_precision() {}
template <typename Id> void on_dynamic_width(Id arg_id) {
template <typename Id> FMT_CONSTEXPR void on_dynamic_width(Id arg_id) {
f.width_ref = make_arg_ref(arg_id);
}
template <typename Id> void on_dynamic_precision(Id arg_id) {
template <typename Id> FMT_CONSTEXPR void on_dynamic_precision(Id arg_id) {
f.precision_ref = make_arg_ref(arg_id);
}
};
@ -1078,8 +1149,6 @@ struct formatter<std::chrono::duration<Rep, Period>, Char> {
}
public:
formatter() : precision(-1) {}
FMT_CONSTEXPR auto parse(basic_format_parse_context<Char>& ctx)
-> decltype(ctx.begin()) {
auto range = do_parse(ctx);
@ -1089,27 +1158,30 @@ struct formatter<std::chrono::duration<Rep, Period>, Char> {
}
template <typename FormatContext>
auto format(const duration& d, FormatContext& ctx) -> decltype(ctx.out()) {
auto format(const duration& d, FormatContext& ctx) const
-> decltype(ctx.out()) {
auto specs_copy = specs;
auto precision_copy = precision;
auto begin = format_str.begin(), end = format_str.end();
// As a possible future optimization, we could avoid extra copying if width
// is not specified.
basic_memory_buffer<Char> buf;
auto out = std::back_inserter(buf);
detail::handle_dynamic_spec<detail::width_checker>(specs.width, width_ref,
ctx);
detail::handle_dynamic_spec<detail::precision_checker>(precision,
detail::handle_dynamic_spec<detail::width_checker>(specs_copy.width,
width_ref, ctx);
detail::handle_dynamic_spec<detail::precision_checker>(precision_copy,
precision_ref, ctx);
if (begin == end || *begin == '}') {
out = detail::format_duration_value<Char>(out, d.count(), precision);
out = detail::format_duration_value<Char>(out, d.count(), precision_copy);
detail::format_duration_unit<Char, Period>(out);
} else {
detail::chrono_formatter<FormatContext, decltype(out), Rep, Period> f(
ctx, out, d);
f.precision = precision;
f.precision = precision_copy;
parse_chrono_format(begin, end, f);
}
return detail::write(
ctx.out(), basic_string_view<Char>(buf.data(), buf.size()), specs);
ctx.out(), basic_string_view<Char>(buf.data(), buf.size()), specs_copy);
}
};

85
vendor/Fmt/include/fmt/color.h vendored
View File

@ -10,6 +10,13 @@
#include "format.h"
// __declspec(deprecated) is broken in some MSVC versions.
#if FMT_MSC_VER
# define FMT_DEPRECATED_NONMSVC
#else
# define FMT_DEPRECATED_NONMSVC FMT_DEPRECATED
#endif
FMT_BEGIN_NAMESPACE
enum class color : uint32_t {
@ -223,7 +230,7 @@ struct color_type {
};
} // namespace detail
// Experimental text formatting support.
/** A text style consisting of foreground and background colors and emphasis. */
class text_style {
public:
FMT_CONSTEXPR text_style(emphasis em = emphasis()) FMT_NOEXCEPT
@ -260,33 +267,14 @@ class text_style {
return lhs |= rhs;
}
FMT_CONSTEXPR text_style& operator&=(const text_style& rhs) {
if (!set_foreground_color) {
set_foreground_color = rhs.set_foreground_color;
foreground_color = rhs.foreground_color;
} else if (rhs.set_foreground_color) {
if (!foreground_color.is_rgb || !rhs.foreground_color.is_rgb)
FMT_THROW(format_error("can't AND a terminal color"));
foreground_color.value.rgb_color &= rhs.foreground_color.value.rgb_color;
}
if (!set_background_color) {
set_background_color = rhs.set_background_color;
background_color = rhs.background_color;
} else if (rhs.set_background_color) {
if (!background_color.is_rgb || !rhs.background_color.is_rgb)
FMT_THROW(format_error("can't AND a terminal color"));
background_color.value.rgb_color &= rhs.background_color.value.rgb_color;
}
ems = static_cast<emphasis>(static_cast<uint8_t>(ems) &
static_cast<uint8_t>(rhs.ems));
return *this;
FMT_DEPRECATED_NONMSVC FMT_CONSTEXPR text_style& operator&=(
const text_style& rhs) {
return and_assign(rhs);
}
friend FMT_CONSTEXPR text_style operator&(text_style lhs,
const text_style& rhs) {
return lhs &= rhs;
FMT_DEPRECATED_NONMSVC friend FMT_CONSTEXPR text_style
operator&(text_style lhs, const text_style& rhs) {
return lhs.and_assign(rhs);
}
FMT_CONSTEXPR bool has_foreground() const FMT_NOEXCEPT {
@ -326,8 +314,34 @@ class text_style {
}
}
// DEPRECATED!
FMT_CONSTEXPR text_style& and_assign(const text_style& rhs) {
if (!set_foreground_color) {
set_foreground_color = rhs.set_foreground_color;
foreground_color = rhs.foreground_color;
} else if (rhs.set_foreground_color) {
if (!foreground_color.is_rgb || !rhs.foreground_color.is_rgb)
FMT_THROW(format_error("can't AND a terminal color"));
foreground_color.value.rgb_color &= rhs.foreground_color.value.rgb_color;
}
if (!set_background_color) {
set_background_color = rhs.set_background_color;
background_color = rhs.background_color;
} else if (rhs.set_background_color) {
if (!background_color.is_rgb || !rhs.background_color.is_rgb)
FMT_THROW(format_error("can't AND a terminal color"));
background_color.value.rgb_color &= rhs.background_color.value.rgb_color;
}
ems = static_cast<emphasis>(static_cast<uint8_t>(ems) &
static_cast<uint8_t>(rhs.ems));
return *this;
}
friend FMT_CONSTEXPR_DECL text_style fg(detail::color_type foreground)
FMT_NOEXCEPT;
friend FMT_CONSTEXPR_DECL text_style bg(detail::color_type background)
FMT_NOEXCEPT;
@ -338,15 +352,18 @@ class text_style {
emphasis ems;
};
FMT_CONSTEXPR text_style fg(detail::color_type foreground) FMT_NOEXCEPT {
return text_style(/*is_foreground=*/true, foreground);
/** Creates a text style from the foreground (text) color. */
FMT_CONSTEXPR inline text_style fg(detail::color_type foreground) FMT_NOEXCEPT {
return text_style(true, foreground);
}
FMT_CONSTEXPR text_style bg(detail::color_type background) FMT_NOEXCEPT {
return text_style(/*is_foreground=*/false, background);
/** Creates a text style from the background color. */
FMT_CONSTEXPR inline text_style bg(detail::color_type background) FMT_NOEXCEPT {
return text_style(false, background);
}
FMT_CONSTEXPR text_style operator|(emphasis lhs, emphasis rhs) FMT_NOEXCEPT {
FMT_CONSTEXPR inline text_style operator|(emphasis lhs,
emphasis rhs) FMT_NOEXCEPT {
return text_style(lhs) | rhs;
}
@ -523,11 +540,15 @@ void print(std::FILE* f, const text_style& ts, const S& format_str,
}
/**
\rst
Formats a string and prints it to stdout using ANSI escape sequences to
specify text formatting.
Example:
**Example**::
fmt::print(fmt::emphasis::bold | fg(fmt::color::red),
"Elapsed time: {0:.2f} seconds", 1.23);
\endrst
*/
template <typename S, typename... Args,
FMT_ENABLE_IF(detail::is_string<S>::value)>

363
vendor/Fmt/include/fmt/compile.h vendored
View File

@ -8,13 +8,102 @@
#ifndef FMT_COMPILE_H_
#define FMT_COMPILE_H_
#include <algorithm>
#include <vector>
#include "format.h"
#ifndef FMT_USE_NONTYPE_TEMPLATE_PARAMETERS
# if defined(__cpp_nontype_template_parameter_class) && \
(!FMT_GCC_VERSION || FMT_GCC_VERSION >= 903)
# define FMT_USE_NONTYPE_TEMPLATE_PARAMETERS 1
# else
# define FMT_USE_NONTYPE_TEMPLATE_PARAMETERS 0
# endif
#endif
FMT_BEGIN_NAMESPACE
namespace detail {
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;
using _Unchecked_type =
truncating_iterator_base; // Mark iterator as checked.
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 {};
@ -36,6 +125,24 @@ struct is_compiled_string : std::is_base_of<compiled_string, S> {};
*/
#define FMT_COMPILE(s) FMT_STRING_IMPL(s, fmt::detail::compiled_string)
#if FMT_USE_NONTYPE_TEMPLATE_PARAMETERS
template <typename Char, size_t N> struct fixed_string {
constexpr fixed_string(const Char (&str)[N]) {
copy_str<Char, const Char*, Char*>(static_cast<const Char*>(str), str + N,
data);
}
Char data[N]{};
};
template <typename Char, size_t N, fixed_string<Char, N> Str>
struct udl_compiled_string : compiled_string {
using char_type = Char;
constexpr operator basic_string_view<char_type>() const {
return {Str.data, N - 1};
}
};
#endif
template <typename T, typename... Tail>
const T& first(const T& value, const Tail&...) {
return value;
@ -175,9 +282,9 @@ class format_string_compiler : public error_handler {
repl.arg_id = part_.part_kind == part::kind::arg_index
? arg_ref<Char>(part_.val.arg_index)
: arg_ref<Char>(part_.val.str);
auto part = part::make_replacement(repl);
part.arg_id_end = begin;
handler_(part);
auto replacement_part = part::make_replacement(repl);
replacement_part.arg_id_end = begin;
handler_(replacement_part);
return it;
}
};
@ -195,9 +302,15 @@ template <typename OutputIt, typename Context, typename Id>
void format_arg(
basic_format_parse_context<typename Context::char_type>& parse_ctx,
Context& ctx, Id arg_id) {
ctx.advance_to(visit_format_arg(
arg_formatter<OutputIt, typename Context::char_type>(ctx, &parse_ctx),
ctx.arg(arg_id)));
auto arg = ctx.arg(arg_id);
if (arg.type() == type::custom_type) {
visit_format_arg(custom_formatter<Context>(parse_ctx, ctx), arg);
} else {
ctx.advance_to(visit_format_arg(
default_arg_formatter<OutputIt, typename Context::char_type>{
ctx.out(), ctx.args(), ctx.locale()},
arg));
}
}
// vformat_to is defined in a subnamespace to prevent ADL.
@ -257,10 +370,9 @@ auto vformat_to(OutputIt out, CompiledFormat& cf,
if (specs.precision >= 0) checker.check_precision();
advance_to(parse_ctx, part.arg_id_end);
ctx.advance_to(
visit_format_arg(arg_formatter<OutputIt, typename Context::char_type>(
ctx, nullptr, &specs),
arg));
ctx.advance_to(visit_format_arg(
arg_formatter<OutputIt, typename Context::char_type>(ctx, specs),
arg));
break;
}
}
@ -393,7 +505,7 @@ template <typename Char> struct text {
using char_type = Char;
template <typename OutputIt, typename... Args>
OutputIt format(OutputIt out, const Args&...) const {
constexpr OutputIt format(OutputIt out, const Args&...) const {
return write<Char>(out, data);
}
};
@ -412,7 +524,7 @@ template <typename Char> struct code_unit {
using char_type = Char;
template <typename OutputIt, typename... Args>
OutputIt format(OutputIt out, const Args&...) const {
constexpr OutputIt format(OutputIt out, const Args&...) const {
return write<Char>(out, value);
}
};
@ -425,23 +537,60 @@ template <typename Char, typename T, int N> struct field {
using char_type = Char;
template <typename OutputIt, typename... Args>
OutputIt format(OutputIt out, const Args&... args) const {
// This ensures that the argument type is convertile to `const T&`.
const T& arg = get<N>(args...);
return write<Char>(out, arg);
constexpr OutputIt format(OutputIt out, const Args&... args) const {
if constexpr (is_named_arg<typename std::remove_cv<T>::type>::value) {
const auto& arg = get<N>(args...).value;
return write<Char>(out, arg);
} else {
// This ensures that the argument type is convertile to `const T&`.
const T& arg = get<N>(args...);
return write<Char>(out, arg);
}
}
};
template <typename Char, typename T, int N>
struct is_compiled_format<field<Char, T, N>> : std::true_type {};
// A replacement field that refers to argument with name.
template <typename Char> struct runtime_named_field {
using char_type = Char;
basic_string_view<Char> name;
template <typename OutputIt, typename T>
constexpr static bool try_format_argument(
OutputIt& out,
// [[maybe_unused]] due to unused-but-set-parameter warning in GCC 7,8,9
[[maybe_unused]] basic_string_view<Char> arg_name, const T& arg) {
if constexpr (is_named_arg<typename std::remove_cv<T>::type>::value) {
if (arg_name == arg.name) {
out = write<Char>(out, arg.value);
return true;
}
}
return false;
}
template <typename OutputIt, typename... Args>
constexpr OutputIt format(OutputIt out, const Args&... args) const {
bool found = (try_format_argument(out, name, args) || ...);
if (!found) {
throw format_error("argument with specified name is not found");
}
return out;
}
};
template <typename Char>
struct is_compiled_format<runtime_named_field<Char>> : std::true_type {};
// A replacement field that refers to argument N and has format specifiers.
template <typename Char, typename T, int N> struct spec_field {
using char_type = Char;
mutable formatter<T, Char> fmt;
formatter<T, Char> fmt;
template <typename OutputIt, typename... Args>
OutputIt format(OutputIt out, const Args&... args) const {
constexpr OutputIt format(OutputIt out, const Args&... args) const {
// This ensures that the argument type is convertile to `const T&`.
const T& arg = get<N>(args...);
const auto& vargs =
@ -460,7 +609,7 @@ template <typename L, typename R> struct concat {
using char_type = typename L::char_type;
template <typename OutputIt, typename... Args>
OutputIt format(OutputIt out, const Args&... args) const {
constexpr OutputIt format(OutputIt out, const Args&... args) const {
out = lhs.format(out, args...);
return rhs.format(out, args...);
}
@ -508,14 +657,51 @@ template <typename T, typename Char> struct parse_specs_result {
int next_arg_id;
};
constexpr int 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 arg_id) {
size_t pos, int next_arg_id) {
str.remove_prefix(pos);
auto ctx = basic_format_parse_context<Char>(str, {}, arg_id + 1);
auto ctx = basic_format_parse_context<Char>(str, {}, next_arg_id);
auto f = formatter<T, Char>();
auto end = f.parse(ctx);
return {f, pos + (end - str.data()) + 1, ctx.next_arg_id()};
return {f, pos + fmt::detail::to_unsigned(end - str.data()) + 1,
next_arg_id == 0 ? manual_indexing_id : ctx.next_arg_id()};
}
template <typename Char> struct arg_id_handler {
constexpr void on_error(const char* message) { throw format_error(message); }
constexpr int on_arg_id() {
FMT_ASSERT(false, "handler cannot be used with automatic indexing");
return 0;
}
constexpr int on_arg_id(int id) {
arg_id = arg_ref<Char>(id);
return 0;
}
constexpr int on_arg_id(basic_string_view<Char> id) {
arg_id = arg_ref<Char>(id);
return 0;
}
arg_ref<Char> arg_id;
};
template <typename Char> struct parse_arg_id_result {
arg_ref<Char> arg_id;
const Char* arg_id_end;
};
template <int ID, typename Char>
constexpr auto parse_arg_id(const Char* begin, const Char* end) {
auto handler = arg_id_handler<Char>{arg_ref<Char>{}};
auto adapter = id_adapter<arg_id_handler<Char>, Char>{handler, 0};
auto arg_id_end = parse_arg_id(begin, end, adapter);
return parse_arg_id_result<Char>{handler.arg_id, arg_id_end};
}
// Compiles a non-empty format string and returns the compiled representation
@ -525,24 +711,59 @@ constexpr auto compile_format_string(S format_str) {
using char_type = typename S::char_type;
constexpr basic_string_view<char_type> str = format_str;
if constexpr (str[POS] == '{') {
if (POS + 1 == str.size())
if constexpr (POS + 1 == str.size())
throw format_error("unmatched '{' in format string");
if constexpr (str[POS + 1] == '{') {
return parse_tail<Args, POS + 2, ID>(make_text(str, POS, 1), format_str);
} else if constexpr (str[POS + 1] == '}') {
using type = get_type<ID, Args>;
return parse_tail<Args, POS + 2, ID + 1>(field<char_type, type, ID>(),
format_str);
} else if constexpr (str[POS + 1] == ':') {
using type = get_type<ID, Args>;
constexpr auto result = parse_specs<type>(str, POS + 2, ID);
return parse_tail<Args, result.end, result.next_arg_id>(
spec_field<char_type, type, ID>{result.fmt}, format_str);
} else if constexpr (str[POS + 1] == '}' || str[POS + 1] == ':') {
static_assert(ID != manual_indexing_id,
"cannot switch from manual to automatic argument indexing");
using id_type = get_type<ID, Args>;
if constexpr (str[POS + 1] == '}') {
constexpr auto next_id =
ID != manual_indexing_id ? ID + 1 : manual_indexing_id;
return parse_tail<Args, POS + 2, next_id>(
field<char_type, id_type, ID>(), format_str);
} else {
constexpr auto result = parse_specs<id_type>(str, POS + 2, ID + 1);
return parse_tail<Args, result.end, result.next_arg_id>(
spec_field<char_type, id_type, ID>{result.fmt}, format_str);
}
} else {
return unknown_format();
constexpr auto arg_id_result =
parse_arg_id<ID>(str.data() + POS + 1, str.data() + str.size());
constexpr auto arg_id_end_pos = arg_id_result.arg_id_end - str.data();
constexpr char_type c =
arg_id_end_pos != str.size() ? str[arg_id_end_pos] : char_type();
static_assert(c == '}' || c == ':', "missing '}' in format string");
if constexpr (arg_id_result.arg_id.kind == arg_id_kind::index) {
static_assert(
ID == manual_indexing_id || ID == 0,
"cannot switch from automatic to manual argument indexing");
constexpr auto arg_index = arg_id_result.arg_id.val.index;
using id_type = get_type<arg_index, Args>;
if constexpr (c == '}') {
return parse_tail<Args, arg_id_end_pos + 1, manual_indexing_id>(
field<char_type, id_type, arg_index>(), format_str);
} else if constexpr (c == ':') {
constexpr auto result =
parse_specs<id_type>(str, arg_id_end_pos + 1, 0);
return parse_tail<Args, result.end, result.next_arg_id>(
spec_field<char_type, id_type, arg_index>{result.fmt},
format_str);
}
} else if constexpr (arg_id_result.arg_id.kind == arg_id_kind::name) {
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 (str[POS] == '}') {
if (POS + 1 == str.size())
if constexpr (POS + 1 == str.size())
throw format_error("unmatched '}' in format string");
return parse_tail<Args, POS + 2, ID>(make_text(str, POS, 1), format_str);
} else {
@ -568,12 +789,7 @@ constexpr auto compile(S format_str) {
constexpr auto result =
detail::compile_format_string<detail::type_list<Args...>, 0, 0>(
format_str);
if constexpr (std::is_same<remove_cvref_t<decltype(result)>,
detail::unknown_format>()) {
return detail::compiled_format<S, Args...>(to_string_view(format_str));
} else {
return result;
}
return result;
}
}
#else
@ -615,8 +831,8 @@ FMT_INLINE std::basic_string<Char> format(const CompiledFormat& cf,
template <typename OutputIt, typename CompiledFormat, typename... Args,
FMT_ENABLE_IF(detail::is_compiled_format<CompiledFormat>::value)>
OutputIt format_to(OutputIt out, const CompiledFormat& cf,
const Args&... args) {
constexpr OutputIt format_to(OutputIt out, const CompiledFormat& cf,
const Args&... args) {
return cf.format(out, args...);
}
# endif // __cpp_if_constexpr
@ -641,19 +857,36 @@ FMT_INLINE std::basic_string<typename S::char_type> format(const S&,
#ifdef __cpp_if_constexpr
if constexpr (std::is_same<typename S::char_type, char>::value) {
constexpr basic_string_view<typename S::char_type> str = S();
if (str.size() == 2 && str[0] == '{' && str[1] == '}')
return fmt::to_string(detail::first(args...));
if constexpr (str.size() == 2 && str[0] == '{' && str[1] == '}') {
const auto& first = detail::first(args...);
if constexpr (detail::is_named_arg<
remove_cvref_t<decltype(first)>>::value) {
return fmt::to_string(first.value);
} else {
return fmt::to_string(first);
}
}
}
#endif
constexpr auto compiled = detail::compile<Args...>(S());
#ifdef __cpp_if_constexpr
if constexpr (std::is_same<remove_cvref_t<decltype(compiled)>,
detail::unknown_format>()) {
return format(static_cast<basic_string_view<typename S::char_type>>(S()),
std::forward<Args>(args)...);
} else {
return format(compiled, std::forward<Args>(args)...);
}
#else
return format(compiled, std::forward<Args>(args)...);
#endif
}
template <typename OutputIt, typename CompiledFormat, typename... Args,
FMT_ENABLE_IF(std::is_base_of<detail::basic_compiled_format,
CompiledFormat>::value)>
OutputIt format_to(OutputIt out, const CompiledFormat& cf,
const Args&... args) {
constexpr OutputIt format_to(OutputIt out, const CompiledFormat& cf,
const Args&... args) {
using char_type = typename CompiledFormat::char_type;
using context = format_context_t<OutputIt, char_type>;
return detail::cf::vformat_to<context>(out, cf,
@ -662,9 +895,20 @@ OutputIt format_to(OutputIt out, const CompiledFormat& cf,
template <typename OutputIt, typename S, typename... Args,
FMT_ENABLE_IF(detail::is_compiled_string<S>::value)>
OutputIt format_to(OutputIt out, const S&, const Args&... args) {
FMT_CONSTEXPR OutputIt format_to(OutputIt out, const S&, Args&&... args) {
constexpr auto compiled = detail::compile<Args...>(S());
return format_to(out, compiled, args...);
#ifdef __cpp_if_constexpr
if constexpr (std::is_same<remove_cvref_t<decltype(compiled)>,
detail::unknown_format>()) {
return format_to(out,
static_cast<basic_string_view<typename S::char_type>>(S()),
std::forward<Args>(args)...);
} else {
return format_to(out, compiled, std::forward<Args>(args)...);
}
#else
return format_to(out, compiled, std::forward<Args>(args)...);
#endif
}
template <typename OutputIt, typename CompiledFormat, typename... Args>
@ -684,18 +928,31 @@ auto format_to_n(OutputIt out, size_t n, const CompiledFormat& cf,
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&,
const Args&... args) {
constexpr auto compiled = detail::compile<Args...>(S());
auto it = format_to(detail::truncating_iterator<OutputIt>(out, n), compiled,
args...);
Args&&... args) {
auto it = format_to(detail::truncating_iterator<OutputIt>(out, n), S(),
std::forward<Args>(args)...);
return {it.base(), it.count()};
}
template <typename CompiledFormat, typename... Args>
template <typename CompiledFormat, typename... Args,
FMT_ENABLE_IF(std::is_base_of<detail::basic_compiled_format,
CompiledFormat>::value ||
detail::is_compiled_string<CompiledFormat>::value)>
size_t formatted_size(const CompiledFormat& cf, const Args&... args) {
return format_to(detail::counting_iterator(), cf, args...).count();
}
#if FMT_USE_NONTYPE_TEMPLATE_PARAMETERS
inline namespace literals {
template <detail::fixed_string Str>
constexpr detail::udl_compiled_string<remove_cvref_t<decltype(Str.data[0])>,
sizeof(Str.data), Str>
operator""_cf() {
return {};
}
} // namespace literals
#endif
FMT_END_NAMESPACE
#endif // FMT_COMPILE_H_

485
vendor/Fmt/include/fmt/core.h vendored
View File

@ -10,12 +10,9 @@
#include <cstdio> // std::FILE
#include <cstring>
#include <functional>
#include <iterator>
#include <memory>
#include <string>
#include <type_traits>
#include <vector>
// The fmt library version in the form major * 10000 + minor * 100 + patch.
#define FMT_VERSION 70103
@ -28,8 +25,10 @@
#if defined(__GNUC__) && !defined(__clang__)
# define FMT_GCC_VERSION (__GNUC__ * 100 + __GNUC_MINOR__)
# define FMT_GCC_PRAGMA(arg) _Pragma(arg)
#else
# define FMT_GCC_VERSION 0
# define FMT_GCC_PRAGMA(arg)
#endif
#if defined(__INTEL_COMPILER)
@ -52,10 +51,10 @@
#ifdef _MSC_VER
# define FMT_MSC_VER _MSC_VER
# define FMT_SUPPRESS_MSC_WARNING(n) __pragma(warning(suppress : n))
# define FMT_MSC_WARNING(...) __pragma(warning(__VA_ARGS__))
#else
# define FMT_MSC_VER 0
# define FMT_SUPPRESS_MSC_WARNING(n)
# define FMT_MSC_WARNING(...)
#endif
#ifdef __has_feature
@ -95,7 +94,7 @@
# define FMT_CONSTEXPR constexpr
# define FMT_CONSTEXPR_DECL constexpr
#else
# define FMT_CONSTEXPR inline
# define FMT_CONSTEXPR
# define FMT_CONSTEXPR_DECL
#endif
@ -180,7 +179,7 @@
#ifndef FMT_USE_INLINE_NAMESPACES
# if FMT_HAS_FEATURE(cxx_inline_namespaces) || FMT_GCC_VERSION >= 404 || \
(FMT_MSC_VER >= 1900 && !_MANAGED)
(FMT_MSC_VER >= 1900 && (!defined(_MANAGED) || !_MANAGED))
# define FMT_USE_INLINE_NAMESPACES 1
# else
# define FMT_USE_INLINE_NAMESPACES 0
@ -206,7 +205,7 @@
#endif
#if !defined(FMT_HEADER_ONLY) && defined(_WIN32)
# define FMT_CLASS_API FMT_SUPPRESS_MSC_WARNING(4275)
# define FMT_CLASS_API FMT_MSC_WARNING(suppress : 4275)
# ifdef FMT_EXPORT
# define FMT_API __declspec(dllexport)
# define FMT_EXTERN_TEMPLATE_API FMT_API
@ -248,8 +247,15 @@
#ifndef FMT_UNICODE
# define FMT_UNICODE !FMT_MSC_VER
#endif
#if FMT_UNICODE && FMT_MSC_VER
# pragma execution_character_set("utf-8")
#ifndef FMT_COMPILE_TIME_CHECKS
# define FMT_COMPILE_TIME_CHECKS 0
#endif
// Enable minimal optimizations for more compact code in debug mode.
FMT_GCC_PRAGMA("GCC push_options")
#ifndef __OPTIMIZE__
FMT_GCC_PRAGMA("GCC optimize(\"Og\")")
#endif
FMT_BEGIN_NAMESPACE
@ -274,10 +280,22 @@ struct monostate {};
// An enable_if helper to be used in template parameters which results in much
// shorter symbols: https://godbolt.org/z/sWw4vP. Extra parentheses are needed
// to workaround a bug in MSVC 2019 (see #1140 and #1186).
#define FMT_ENABLE_IF(...) enable_if_t<(__VA_ARGS__), int> = 0
#ifdef FMT_DOC
# define FMT_ENABLE_IF(...)
#else
# define FMT_ENABLE_IF(...) enable_if_t<(__VA_ARGS__), int> = 0
#endif
namespace detail {
constexpr bool is_constant_evaluated() FMT_NOEXCEPT {
#ifdef __cpp_lib_is_constant_evaluated
return std::is_constant_evaluated();
#else
return false;
#endif
}
// A helper function to suppress "conditional expression is constant" warnings.
template <typename T> constexpr T const_check(T value) { return value; }
@ -327,7 +345,7 @@ FMT_CONSTEXPR typename std::make_unsigned<Int>::type to_unsigned(Int value) {
return static_cast<typename std::make_unsigned<Int>::type>(value);
}
FMT_SUPPRESS_MSC_WARNING(4566) constexpr unsigned char micro[] = "\u00B5";
FMT_MSC_WARNING(suppress : 4566) constexpr unsigned char micro[] = "\u00B5";
template <typename Char> constexpr bool is_unicode() {
return FMT_UNICODE || sizeof(Char) != 1 ||
@ -377,8 +395,12 @@ template <typename Char> class basic_string_view {
#if __cplusplus >= 201703L // C++17's char_traits::length() is constexpr.
FMT_CONSTEXPR
#endif
basic_string_view(const Char* s)
: data_(s), size_(std::char_traits<Char>::length(s)) {}
FMT_INLINE basic_string_view(const Char* s) : data_(s) {
if (std::is_same<Char, char>::value)
size_ = std::strlen(reinterpret_cast<const char*>(s));
else
size_ = std::char_traits<Char>::length(s);
}
/** Constructs a string reference from a ``std::basic_string`` object. */
template <typename Traits, typename Alloc>
@ -465,7 +487,7 @@ template <> struct is_char<char32_t> : std::true_type {};
\endrst
*/
template <typename Char, FMT_ENABLE_IF(is_char<Char>::value)>
inline basic_string_view<Char> to_string_view(const Char* s) {
FMT_INLINE basic_string_view<Char> to_string_view(const Char* s) {
return s;
}
@ -476,7 +498,7 @@ inline basic_string_view<Char> to_string_view(
}
template <typename Char>
inline basic_string_view<Char> to_string_view(basic_string_view<Char> s) {
constexpr basic_string_view<Char> to_string_view(basic_string_view<Char> s) {
return s;
}
@ -670,7 +692,7 @@ template <typename T> class buffer {
protected:
// Don't initialize ptr_ since it is not accessed to save a few cycles.
FMT_SUPPRESS_MSC_WARNING(26495)
FMT_MSC_WARNING(suppress : 26495)
buffer(size_t sz) FMT_NOEXCEPT : size_(sz), capacity_(sz) {}
buffer(T* p = nullptr, size_t sz = 0, size_t cap = 0) FMT_NOEXCEPT
@ -783,9 +805,7 @@ class iterator_buffer final : public Traits, public buffer<T> {
public:
explicit iterator_buffer(OutputIt out, size_t n = buffer_size)
: Traits(n),
buffer<T>(data_, 0, buffer_size),
out_(out) {}
: Traits(n), buffer<T>(data_, 0, buffer_size), out_(out) {}
~iterator_buffer() { flush(); }
OutputIt out() {
@ -935,9 +955,9 @@ struct arg_data<T, Char, NUM_ARGS, 0> {
T args_[NUM_ARGS != 0 ? NUM_ARGS : +1];
template <typename... U>
FMT_INLINE arg_data(const U&... init) : args_{init...} {}
FMT_INLINE const T* args() const { return args_; }
FMT_INLINE std::nullptr_t named_args() { return nullptr; }
FMT_CONSTEXPR FMT_INLINE arg_data(const U&... init) : args_{init...} {}
FMT_CONSTEXPR FMT_INLINE const T* args() const { return args_; }
FMT_CONSTEXPR FMT_INLINE std::nullptr_t named_args() { return nullptr; }
};
template <typename Char>
@ -958,7 +978,8 @@ void init_named_args(named_arg_info<Char>* named_args, int arg_count,
}
template <typename... Args>
FMT_INLINE void init_named_args(std::nullptr_t, int, int, const Args&...) {}
FMT_CONSTEXPR FMT_INLINE void init_named_args(std::nullptr_t, int, int,
const Args&...) {}
template <typename T> struct is_named_arg : std::false_type {};
@ -1070,17 +1091,20 @@ template <typename Context> class value {
constexpr FMT_INLINE value(int val = 0) : int_value(val) {}
constexpr FMT_INLINE value(unsigned val) : uint_value(val) {}
FMT_INLINE value(long long val) : long_long_value(val) {}
FMT_INLINE value(unsigned long long val) : ulong_long_value(val) {}
constexpr FMT_INLINE value(long long val) : long_long_value(val) {}
constexpr FMT_INLINE value(unsigned long long val) : ulong_long_value(val) {}
FMT_INLINE value(int128_t val) : int128_value(val) {}
FMT_INLINE value(uint128_t val) : uint128_value(val) {}
FMT_INLINE value(float val) : float_value(val) {}
FMT_INLINE value(double val) : double_value(val) {}
FMT_INLINE value(long double val) : long_double_value(val) {}
FMT_INLINE value(bool val) : bool_value(val) {}
FMT_INLINE value(char_type val) : char_value(val) {}
FMT_INLINE value(const char_type* val) { string.data = val; }
FMT_INLINE value(basic_string_view<char_type> val) {
constexpr FMT_INLINE value(bool val) : bool_value(val) {}
constexpr FMT_INLINE value(char_type val) : char_value(val) {}
FMT_CONSTEXPR FMT_INLINE value(const char_type* val) {
string.data = val;
if (is_constant_evaluated()) string.size = {};
}
FMT_CONSTEXPR FMT_INLINE value(basic_string_view<char_type> val) {
string.data = val.data();
string.size = val.size();
}
@ -1126,36 +1150,40 @@ struct unformattable {};
template <typename Context> struct arg_mapper {
using char_type = typename Context::char_type;
FMT_CONSTEXPR int map(signed char val) { return val; }
FMT_CONSTEXPR unsigned map(unsigned char val) { return val; }
FMT_CONSTEXPR int map(short val) { return val; }
FMT_CONSTEXPR unsigned map(unsigned short val) { return val; }
FMT_CONSTEXPR int map(int val) { return val; }
FMT_CONSTEXPR unsigned map(unsigned val) { return val; }
FMT_CONSTEXPR long_type map(long val) { return val; }
FMT_CONSTEXPR ulong_type map(unsigned long val) { return val; }
FMT_CONSTEXPR long long map(long long val) { return val; }
FMT_CONSTEXPR unsigned long long map(unsigned long long val) { return val; }
FMT_CONSTEXPR int128_t map(int128_t val) { return val; }
FMT_CONSTEXPR uint128_t map(uint128_t val) { return val; }
FMT_CONSTEXPR bool map(bool val) { return val; }
FMT_CONSTEXPR FMT_INLINE int map(signed char val) { return val; }
FMT_CONSTEXPR FMT_INLINE unsigned map(unsigned char val) { return val; }
FMT_CONSTEXPR FMT_INLINE int map(short val) { return val; }
FMT_CONSTEXPR FMT_INLINE unsigned map(unsigned short val) { return val; }
FMT_CONSTEXPR FMT_INLINE int map(int val) { return val; }
FMT_CONSTEXPR FMT_INLINE unsigned map(unsigned val) { return val; }
FMT_CONSTEXPR FMT_INLINE long_type map(long val) { return val; }
FMT_CONSTEXPR FMT_INLINE ulong_type map(unsigned long val) { return val; }
FMT_CONSTEXPR FMT_INLINE long long map(long long val) { return val; }
FMT_CONSTEXPR FMT_INLINE unsigned long long map(unsigned long long val) {
return val;
}
FMT_CONSTEXPR FMT_INLINE int128_t map(int128_t val) { return val; }
FMT_CONSTEXPR FMT_INLINE uint128_t map(uint128_t val) { return val; }
FMT_CONSTEXPR FMT_INLINE bool map(bool val) { return val; }
template <typename T, FMT_ENABLE_IF(is_char<T>::value)>
FMT_CONSTEXPR char_type map(T val) {
FMT_CONSTEXPR FMT_INLINE char_type map(T val) {
static_assert(
std::is_same<T, char>::value || std::is_same<T, char_type>::value,
"mixing character types is disallowed");
return val;
}
FMT_CONSTEXPR float map(float val) { return val; }
FMT_CONSTEXPR double map(double val) { return val; }
FMT_CONSTEXPR long double map(long double val) { return val; }
FMT_CONSTEXPR FMT_INLINE float map(float val) { return val; }
FMT_CONSTEXPR FMT_INLINE double map(double val) { return val; }
FMT_CONSTEXPR FMT_INLINE long double map(long double val) { return val; }
FMT_CONSTEXPR const char_type* map(char_type* val) { return val; }
FMT_CONSTEXPR const char_type* map(const char_type* val) { return val; }
FMT_CONSTEXPR FMT_INLINE const char_type* map(char_type* val) { return val; }
FMT_CONSTEXPR FMT_INLINE const char_type* map(const char_type* val) {
return val;
}
template <typename T, FMT_ENABLE_IF(is_string<T>::value)>
FMT_CONSTEXPR basic_string_view<char_type> map(const T& val) {
FMT_CONSTEXPR FMT_INLINE basic_string_view<char_type> map(const T& val) {
static_assert(std::is_same<char_type, char_t<T>>::value,
"mixing character types is disallowed");
return to_string_view(val);
@ -1165,7 +1193,7 @@ template <typename Context> struct arg_mapper {
std::is_constructible<basic_string_view<char_type>, T>::value &&
!is_string<T>::value && !has_formatter<T, Context>::value &&
!has_fallback_formatter<T, Context>::value)>
FMT_CONSTEXPR basic_string_view<char_type> map(const T& val) {
FMT_CONSTEXPR FMT_INLINE basic_string_view<char_type> map(const T& val) {
return basic_string_view<char_type>(val);
}
template <
@ -1175,30 +1203,34 @@ template <typename Context> struct arg_mapper {
!std::is_constructible<basic_string_view<char_type>, T>::value &&
!is_string<T>::value && !has_formatter<T, Context>::value &&
!has_fallback_formatter<T, Context>::value)>
FMT_CONSTEXPR basic_string_view<char_type> map(const T& val) {
FMT_CONSTEXPR FMT_INLINE basic_string_view<char_type> map(const T& val) {
return std_string_view<char_type>(val);
}
FMT_CONSTEXPR const char* map(const signed char* val) {
FMT_CONSTEXPR FMT_INLINE const char* map(const signed char* val) {
static_assert(std::is_same<char_type, char>::value, "invalid string type");
return reinterpret_cast<const char*>(val);
}
FMT_CONSTEXPR const char* map(const unsigned char* val) {
FMT_CONSTEXPR FMT_INLINE const char* map(const unsigned char* val) {
static_assert(std::is_same<char_type, char>::value, "invalid string type");
return reinterpret_cast<const char*>(val);
}
FMT_CONSTEXPR const char* map(signed char* val) {
FMT_CONSTEXPR FMT_INLINE const char* map(signed char* val) {
const auto* const_val = val;
return map(const_val);
}
FMT_CONSTEXPR const char* map(unsigned char* val) {
FMT_CONSTEXPR FMT_INLINE const char* map(unsigned char* val) {
const auto* const_val = val;
return map(const_val);
}
FMT_CONSTEXPR const void* map(void* val) { return val; }
FMT_CONSTEXPR const void* map(const void* val) { return val; }
FMT_CONSTEXPR const void* map(std::nullptr_t val) { return val; }
template <typename T> FMT_CONSTEXPR int map(const T*) {
FMT_CONSTEXPR FMT_INLINE const void* map(void* val) { return val; }
FMT_CONSTEXPR FMT_INLINE const void* map(const void* val) { return val; }
FMT_CONSTEXPR FMT_INLINE const void* map(std::nullptr_t val) { return val; }
// We use SFINAE instead of a const T* parameter to avoid conflicting with
// the C array overload.
template <typename T>
FMT_CONSTEXPR auto map(T) -> enable_if_t<std::is_pointer<T>::value, int> {
// Formatting of arbitrary pointers is disallowed. If you want to output
// a pointer cast it to "void *" or "const void *". In particular, this
// forbids formatting of "[const] volatile char *" which is printed as bool
@ -1207,11 +1239,16 @@ template <typename Context> struct arg_mapper {
return 0;
}
template <typename T, std::size_t N>
FMT_CONSTEXPR FMT_INLINE auto map(const T (&values)[N]) -> const T (&)[N] {
return values;
}
template <typename T,
FMT_ENABLE_IF(std::is_enum<T>::value &&
!has_formatter<T, Context>::value &&
!has_fallback_formatter<T, Context>::value)>
FMT_CONSTEXPR auto map(const T& val)
FMT_CONSTEXPR FMT_INLINE auto map(const T& val)
-> decltype(std::declval<arg_mapper>().map(
static_cast<typename std::underlying_type<T>::type>(val))) {
return map(static_cast<typename std::underlying_type<T>::type>(val));
@ -1220,12 +1257,12 @@ template <typename Context> struct arg_mapper {
FMT_ENABLE_IF(!is_string<T>::value && !is_char<T>::value &&
(has_formatter<T, Context>::value ||
has_fallback_formatter<T, Context>::value))>
FMT_CONSTEXPR const T& map(const T& val) {
FMT_CONSTEXPR FMT_INLINE const T& map(const T& val) {
return val;
}
template <typename T>
FMT_CONSTEXPR auto map(const named_arg<char_type, T>& val)
FMT_CONSTEXPR FMT_INLINE auto map(const named_arg<char_type, T>& val)
-> decltype(std::declval<arg_mapper>().map(val.value)) {
return map(val.value);
}
@ -1354,14 +1391,16 @@ FMT_CONSTEXPR_DECL FMT_INLINE auto visit_format_arg(
return vis(monostate());
}
template <typename T> struct formattable : std::false_type {};
namespace detail {
#if FMT_GCC_VERSION && FMT_GCC_VERSION < 500
// A workaround for gcc 4.8 to make void_t work in a SFINAE context.
template <typename... Ts> struct void_t_impl { using type = void; };
template <typename... Ts>
using void_t = typename detail::void_t_impl<Ts...>::type;
#else
template <typename...> using void_t = void;
#endif
template <typename It, typename T, typename Enable = void>
struct is_output_iterator : std::false_type {};
@ -1394,7 +1433,7 @@ class locale_ref {
const void* locale_; // A type-erased pointer to std::locale.
public:
locale_ref() : locale_(nullptr) {}
constexpr locale_ref() : locale_(nullptr) {}
template <typename Locale> explicit locale_ref(const Locale& loc);
explicit operator bool() const FMT_NOEXCEPT { return locale_ != nullptr; }
@ -1418,24 +1457,18 @@ FMT_CONSTEXPR basic_format_arg<Context> make_arg(const T& value) {
return arg;
}
template <typename T> int check(unformattable) {
static_assert(
formattable<T>(),
"Cannot format an argument. To make type T formattable provide a "
"formatter<T> specialization: https://fmt.dev/latest/api.html#udt");
return 0;
}
template <typename T, typename U> inline const U& check(const U& val) {
return val;
}
// The type template parameter is there to avoid an ODR violation when using
// a fallback formatter in one translation unit and an implicit conversion in
// another (not recommended).
template <bool IS_PACKED, typename Context, type, typename T,
FMT_ENABLE_IF(IS_PACKED)>
inline value<Context> make_arg(const T& val) {
return check<T>(arg_mapper<Context>().map(val));
FMT_CONSTEXPR FMT_INLINE value<Context> make_arg(const T& val) {
const auto& arg = arg_mapper<Context>().map(val);
static_assert(
!std::is_same<decltype(arg), const unformattable&>::value,
"Cannot format an argument. To make type T formattable provide a "
"formatter<T> specialization: https://fmt.dev/latest/api.html#udt");
return arg;
}
template <bool IS_PACKED, typename Context, type, typename T,
@ -1443,47 +1476,6 @@ template <bool IS_PACKED, typename Context, type, typename T,
inline basic_format_arg<Context> make_arg(const T& value) {
return make_arg<Context>(value);
}
template <typename T> struct is_reference_wrapper : std::false_type {};
template <typename T>
struct is_reference_wrapper<std::reference_wrapper<T>> : std::true_type {};
template <typename T> const T& unwrap(const T& v) { return v; }
template <typename T> const T& unwrap(const std::reference_wrapper<T>& v) {
return static_cast<const T&>(v);
}
class dynamic_arg_list {
// Workaround for clang's -Wweak-vtables. Unlike for regular classes, for
// templates it doesn't complain about inability to deduce single translation
// unit for placing vtable. So storage_node_base is made a fake template.
template <typename = void> struct node {
virtual ~node() = default;
std::unique_ptr<node<>> next;
};
template <typename T> struct typed_node : node<> {
T value;
template <typename Arg>
FMT_CONSTEXPR typed_node(const Arg& arg) : value(arg) {}
template <typename Char>
FMT_CONSTEXPR typed_node(const basic_string_view<Char>& arg)
: value(arg.data(), arg.size()) {}
};
std::unique_ptr<node<>> head_;
public:
template <typename T, typename Arg> const T& push(const Arg& arg) {
auto new_node = std::unique_ptr<typed_node<T>>(new typed_node<T>(arg));
auto& value = new_node->value;
new_node->next = std::move(head_);
head_ = std::move(new_node);
return value;
}
};
} // namespace detail
// Formatting context.
@ -1509,28 +1501,30 @@ template <typename OutputIt, typename Char> class basic_format_context {
Constructs a ``basic_format_context`` object. References to the arguments are
stored in the object so make sure they have appropriate lifetimes.
*/
basic_format_context(OutputIt out,
basic_format_args<basic_format_context> ctx_args,
detail::locale_ref loc = detail::locale_ref())
constexpr basic_format_context(
OutputIt out, basic_format_args<basic_format_context> ctx_args,
detail::locale_ref loc = detail::locale_ref())
: out_(out), args_(ctx_args), loc_(loc) {}
format_arg arg(int id) const { return args_.get(id); }
format_arg arg(basic_string_view<char_type> name) { return args_.get(name); }
constexpr format_arg arg(int id) const { return args_.get(id); }
FMT_CONSTEXPR format_arg arg(basic_string_view<char_type> name) {
return args_.get(name);
}
int arg_id(basic_string_view<char_type> name) { return args_.get_id(name); }
const basic_format_args<basic_format_context>& args() const { return args_; }
detail::error_handler error_handler() { return {}; }
FMT_CONSTEXPR detail::error_handler error_handler() { return {}; }
void on_error(const char* message) { error_handler().on_error(message); }
// Returns an iterator to the beginning of the output range.
iterator out() { return out_; }
FMT_CONSTEXPR iterator out() { return out_; }
// Advances the begin iterator to ``it``.
void advance_to(iterator it) {
if (!detail::is_back_insert_iterator<iterator>()) out_ = it;
}
detail::locale_ref locale() { return loc_; }
FMT_CONSTEXPR detail::locale_ref locale() { return loc_; }
};
template <typename Char>
@ -1543,6 +1537,11 @@ using wformat_context = buffer_context<wchar_t>;
#define FMT_BUFFER_CONTEXT(Char) \
basic_format_context<detail::buffer_appender<Char>, Char>
template <typename T, typename Char = char>
using is_formattable = bool_constant<!std::is_same<
decltype(detail::arg_mapper<buffer_context<Char>>().map(std::declval<T>())),
detail::unformattable>::value>;
/**
\rst
An array of references to arguments. It can be implicitly converted into
@ -1579,7 +1578,7 @@ class format_arg_store
: 0);
public:
format_arg_store(const Args&... args)
FMT_CONSTEXPR FMT_INLINE format_arg_store(const Args&... args)
:
#if FMT_GCC_VERSION && FMT_GCC_VERSION < 409
basic_format_args<Context>(*this),
@ -1600,7 +1599,7 @@ class format_arg_store
\endrst
*/
template <typename Context = format_context, typename... Args>
inline format_arg_store<Context, Args...> make_format_args(
constexpr format_arg_store<Context, Args...> make_format_args(
const Args&... args) {
return {args...};
}
@ -1614,8 +1613,8 @@ inline format_arg_store<Context, Args...> make_format_args(
\endrst
*/
template <typename... Args, typename S, typename Char = char_t<S>>
inline auto make_args_checked(const S& format_str,
const remove_reference_t<Args>&... args)
FMT_INLINE auto make_args_checked(const S& format_str,
const remove_reference_t<Args>&... args)
-> format_arg_store<buffer_context<Char>, remove_reference_t<Args>...> {
static_assert(
detail::count<(
@ -1628,8 +1627,9 @@ inline auto make_args_checked(const S& format_str,
/**
\rst
Returns a named argument to be used in a formatting function. It should only
be used in a call to a formatting function.
Returns a named argument to be used in a formatting function.
It should only be used in a call to a formatting function or
`dynamic_format_arg_store::push_back`.
**Example**::
@ -1642,179 +1642,6 @@ inline detail::named_arg<Char, T> arg(const Char* name, const T& arg) {
return {name, arg};
}
/**
\rst
A dynamic version of `fmt::format_arg_store`.
It's equipped with a storage to potentially temporary objects which lifetimes
could be shorter than the format arguments object.
It can be implicitly converted into `~fmt::basic_format_args` for passing
into type-erased formatting functions such as `~fmt::vformat`.
\endrst
*/
template <typename Context>
class dynamic_format_arg_store
#if FMT_GCC_VERSION && FMT_GCC_VERSION < 409
// Workaround a GCC template argument substitution bug.
: public basic_format_args<Context>
#endif
{
private:
using char_type = typename Context::char_type;
template <typename T> struct need_copy {
static constexpr detail::type mapped_type =
detail::mapped_type_constant<T, Context>::value;
enum {
value = !(detail::is_reference_wrapper<T>::value ||
std::is_same<T, basic_string_view<char_type>>::value ||
std::is_same<T, detail::std_string_view<char_type>>::value ||
(mapped_type != detail::type::cstring_type &&
mapped_type != detail::type::string_type &&
mapped_type != detail::type::custom_type))
};
};
template <typename T>
using stored_type = conditional_t<detail::is_string<T>::value,
std::basic_string<char_type>, T>;
// Storage of basic_format_arg must be contiguous.
std::vector<basic_format_arg<Context>> data_;
std::vector<detail::named_arg_info<char_type>> named_info_;
// Storage of arguments not fitting into basic_format_arg must grow
// without relocation because items in data_ refer to it.
detail::dynamic_arg_list dynamic_args_;
friend class basic_format_args<Context>;
unsigned long long get_types() const {
return detail::is_unpacked_bit | data_.size() |
(named_info_.empty()
? 0ULL
: static_cast<unsigned long long>(detail::has_named_args_bit));
}
const basic_format_arg<Context>* data() const {
return named_info_.empty() ? data_.data() : data_.data() + 1;
}
template <typename T> void emplace_arg(const T& arg) {
data_.emplace_back(detail::make_arg<Context>(arg));
}
template <typename T>
void emplace_arg(const detail::named_arg<char_type, T>& arg) {
if (named_info_.empty()) {
constexpr const detail::named_arg_info<char_type>* zero_ptr{nullptr};
data_.insert(data_.begin(), {zero_ptr, 0});
}
data_.emplace_back(detail::make_arg<Context>(detail::unwrap(arg.value)));
auto pop_one = [](std::vector<basic_format_arg<Context>>* data) {
data->pop_back();
};
std::unique_ptr<std::vector<basic_format_arg<Context>>, decltype(pop_one)>
guard{&data_, pop_one};
named_info_.push_back({arg.name, static_cast<int>(data_.size() - 2u)});
data_[0].value_.named_args = {named_info_.data(), named_info_.size()};
guard.release();
}
public:
/**
\rst
Adds an argument into the dynamic store for later passing to a formatting
function.
Note that custom types and string types (but not string views) are copied
into the store dynamically allocating memory if necessary.
**Example**::
fmt::dynamic_format_arg_store<fmt::format_context> store;
store.push_back(42);
store.push_back("abc");
store.push_back(1.5f);
std::string result = fmt::vformat("{} and {} and {}", store);
\endrst
*/
template <typename T> void push_back(const T& arg) {
if (detail::const_check(need_copy<T>::value))
emplace_arg(dynamic_args_.push<stored_type<T>>(arg));
else
emplace_arg(detail::unwrap(arg));
}
/**
\rst
Adds a reference to the argument into the dynamic store for later passing to
a formatting function. Supports named arguments wrapped in
``std::reference_wrapper`` via ``std::ref()``/``std::cref()``.
**Example**::
fmt::dynamic_format_arg_store<fmt::format_context> store;
char str[] = "1234567890";
store.push_back(std::cref(str));
int a1_val{42};
auto a1 = fmt::arg("a1_", a1_val);
store.push_back(std::cref(a1));
// Changing str affects the output but only for string and custom types.
str[0] = 'X';
std::string result = fmt::vformat("{} and {a1_}");
assert(result == "X234567890 and 42");
\endrst
*/
template <typename T> void push_back(std::reference_wrapper<T> arg) {
static_assert(
detail::is_named_arg<typename std::remove_cv<T>::type>::value ||
need_copy<T>::value,
"objects of built-in types and string views are always copied");
emplace_arg(arg.get());
}
/**
Adds named argument into the dynamic store for later passing to a formatting
function. ``std::reference_wrapper`` is supported to avoid copying of the
argument.
*/
template <typename T>
void push_back(const detail::named_arg<char_type, T>& arg) {
const char_type* arg_name =
dynamic_args_.push<std::basic_string<char_type>>(arg.name).c_str();
if (detail::const_check(need_copy<T>::value)) {
emplace_arg(
fmt::arg(arg_name, dynamic_args_.push<stored_type<T>>(arg.value)));
} else {
emplace_arg(fmt::arg(arg_name, arg.value));
}
}
/** Erase all elements from the store */
void clear() {
data_.clear();
named_info_.clear();
dynamic_args_ = detail::dynamic_arg_list();
}
/**
\rst
Reserves space to store at least *new_cap* arguments including
*new_cap_named* named arguments.
\endrst
*/
void reserve(size_t new_cap, size_t new_cap_named) {
FMT_ASSERT(new_cap >= new_cap_named,
"Set of arguments includes set of named arguments");
data_.reserve(new_cap);
named_info_.reserve(new_cap_named);
}
};
/**
\rst
A view of a collection of formatting arguments. To avoid lifetime issues it
@ -1846,25 +1673,27 @@ template <typename Context> class basic_format_args {
const format_arg* args_;
};
bool is_packed() const { return (desc_ & detail::is_unpacked_bit) == 0; }
constexpr bool is_packed() const {
return (desc_ & detail::is_unpacked_bit) == 0;
}
bool has_named_args() const {
return (desc_ & detail::has_named_args_bit) != 0;
}
detail::type type(int index) const {
FMT_CONSTEXPR detail::type type(int index) const {
int shift = index * detail::packed_arg_bits;
unsigned int mask = (1 << detail::packed_arg_bits) - 1;
return static_cast<detail::type>((desc_ >> shift) & mask);
}
basic_format_args(unsigned long long desc,
const detail::value<Context>* values)
constexpr FMT_INLINE basic_format_args(unsigned long long desc,
const detail::value<Context>* values)
: desc_(desc), values_(values) {}
basic_format_args(unsigned long long desc, const format_arg* args)
constexpr basic_format_args(unsigned long long desc, const format_arg* args)
: desc_(desc), args_(args) {}
public:
basic_format_args() : desc_(0) {}
constexpr basic_format_args() : desc_(0), args_(nullptr) {}
/**
\rst
@ -1872,8 +1701,10 @@ template <typename Context> class basic_format_args {
\endrst
*/
template <typename... Args>
FMT_INLINE basic_format_args(const format_arg_store<Context, Args...>& store)
: basic_format_args(store.desc, store.data_.args()) {}
constexpr FMT_INLINE basic_format_args(
const format_arg_store<Context, Args...>& store)
: basic_format_args(format_arg_store<Context, Args...>::desc,
store.data_.args()) {}
/**
\rst
@ -1881,7 +1712,8 @@ template <typename Context> class basic_format_args {
`~fmt::dynamic_format_arg_store`.
\endrst
*/
FMT_INLINE basic_format_args(const dynamic_format_arg_store<Context>& store)
constexpr FMT_INLINE basic_format_args(
const dynamic_format_arg_store<Context>& store)
: basic_format_args(store.get_types(), store.data()) {}
/**
@ -1889,12 +1721,12 @@ template <typename Context> class basic_format_args {
Constructs a `basic_format_args` object from a dynamic set of arguments.
\endrst
*/
basic_format_args(const format_arg* args, int count)
constexpr basic_format_args(const format_arg* args, int count)
: basic_format_args(detail::is_unpacked_bit | detail::to_unsigned(count),
args) {}
/** Returns the argument with the specified id. */
format_arg get(int id) const {
FMT_CONSTEXPR format_arg get(int id) const {
format_arg arg;
if (!is_packed()) {
if (id < max_size()) arg = args_[id];
@ -2043,11 +1875,11 @@ inline auto format_to_n(OutputIt out, size_t n, const S& format_str,
Returns the number of characters in the output of
``format(format_str, args...)``.
*/
template <typename... Args>
inline size_t formatted_size(string_view format_str, Args&&... args) {
template <typename S, typename... Args, typename Char = char_t<S>>
inline size_t formatted_size(const S& format_str, Args&&... args) {
const auto& vargs = fmt::make_args_checked<Args...>(format_str, args...);
detail::counting_buffer<> buf;
detail::vformat_to(buf, format_str, vargs);
detail::vformat_to(buf, to_string_view(format_str), vargs);
return buf.count();
}
@ -2070,7 +1902,9 @@ FMT_INLINE std::basic_string<Char> vformat(
*/
// 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>>
template <typename S, typename... Args, typename Char = char_t<S>,
FMT_ENABLE_IF(!FMT_COMPILE_TIME_CHECKS ||
!std::is_same<Char, char>::value)>
FMT_INLINE std::basic_string<Char> format(const S& format_str, Args&&... args) {
const auto& vargs = fmt::make_args_checked<Args...>(format_str, args...);
return detail::vformat(to_string_view(format_str), vargs);
@ -2117,6 +1951,13 @@ inline void print(const S& format_str, Args&&... args) {
: detail::vprint_mojibake(stdout, to_string_view(format_str),
vargs);
}
FMT_GCC_PRAGMA("GCC pop_options")
FMT_END_NAMESPACE
#endif // FMT_CORE_H_
// Define FMT_DYNAMIC_ARGS to make core.h provide dynamic_format_arg_store
// DEPRECATED! Include fmt/args.h directly instead.
#ifdef FMT_DYNAMIC_ARGS
#include "args.h"
#endif

160
vendor/Fmt/include/fmt/format-inl.h vendored
View File

@ -8,7 +8,7 @@
#ifndef FMT_FORMAT_INL_H_
#define FMT_FORMAT_INL_H_
#include <cassert>
#include <algorithm>
#include <cctype>
#include <climits>
#include <cmath>
@ -145,9 +145,9 @@ FMT_FUNC void format_error_code(detail::buffer<char>& out, int error_code,
error_code_size += detail::to_unsigned(detail::count_digits(abs_value));
auto it = buffer_appender<char>(out);
if (message.size() <= inline_buffer_size - error_code_size)
format_to(it, "{}{}", message, SEP);
format_to(it, "{}{}", ERROR_STR, error_code);
assert(out.size() <= inline_buffer_size);
format_to(it, FMT_STRING("{}{}"), message, SEP);
format_to(it, FMT_STRING("{}{}"), ERROR_STR, error_code);
FMT_ASSERT(out.size() <= inline_buffer_size, "");
}
FMT_FUNC void report_error(format_func func, int error_code,
@ -165,11 +165,8 @@ inline void fwrite_fully(const void* ptr, size_t size, size_t count,
size_t written = std::fwrite(ptr, size, count, stream);
if (written < count) FMT_THROW(system_error(errno, "cannot write to file"));
}
} // namespace detail
#if !defined(FMT_STATIC_THOUSANDS_SEPARATOR)
namespace detail {
#ifndef FMT_STATIC_THOUSANDS_SEPARATOR
template <typename Locale>
locale_ref::locale_ref(const Locale& loc) : locale_(&loc) {
static_assert(std::is_same<Locale, std::locale>::value, "");
@ -191,19 +188,18 @@ template <typename Char> FMT_FUNC Char decimal_point_impl(locale_ref loc) {
return std::use_facet<std::numpunct<Char>>(loc.get<std::locale>())
.decimal_point();
}
} // namespace detail
#else
template <typename Char>
FMT_FUNC std::string detail::grouping_impl(locale_ref) {
template <typename Char> FMT_FUNC std::string grouping_impl(locale_ref) {
return "\03";
}
template <typename Char> FMT_FUNC Char detail::thousands_sep_impl(locale_ref) {
template <typename Char> FMT_FUNC Char thousands_sep_impl(locale_ref) {
return FMT_STATIC_THOUSANDS_SEPARATOR;
}
template <typename Char> FMT_FUNC Char detail::decimal_point_impl(locale_ref) {
template <typename Char> FMT_FUNC Char decimal_point_impl(locale_ref) {
return '.';
}
#endif
} // namespace detail
FMT_API FMT_FUNC format_error::~format_error() FMT_NOEXCEPT = default;
FMT_API FMT_FUNC system_error::~system_error() FMT_NOEXCEPT = default;
@ -247,9 +243,6 @@ const typename basic_data<T>::digit_pair basic_data<T>::digits[] = {
{'9', '0'}, {'9', '1'}, {'9', '2'}, {'9', '3'}, {'9', '4'}, {'9', '5'},
{'9', '6'}, {'9', '7'}, {'9', '8'}, {'9', '9'}};
template <typename T>
const char basic_data<T>::hex_digits[] = "0123456789abcdef";
#define FMT_POWERS_OF_10(factor) \
factor * 10, (factor)*100, (factor)*1000, (factor)*10000, (factor)*100000, \
(factor)*1000000, (factor)*10000000, (factor)*100000000, \
@ -1070,10 +1063,14 @@ const char basic_data<T>::background_color[] = "\x1b[48;2;";
template <typename T> const char basic_data<T>::reset_color[] = "\x1b[0m";
template <typename T> const wchar_t basic_data<T>::wreset_color[] = L"\x1b[0m";
template <typename T> const char basic_data<T>::signs[] = {0, '-', '+', ' '};
#if __cplusplus < 201703L
template <typename T> constexpr const char basic_data<T>::hex_digits[];
template <typename T> constexpr const unsigned basic_data<T>::prefixes[];
template <typename T> constexpr const char basic_data<T>::left_padding_shifts[];
template <typename T>
const char basic_data<T>::left_padding_shifts[] = {31, 31, 0, 1, 0};
template <typename T>
const char basic_data<T>::right_padding_shifts[] = {0, 31, 0, 1, 0};
constexpr const char basic_data<T>::right_padding_shifts[];
#endif
template <typename T> struct bits {
static FMT_CONSTEXPR_DECL const int value =
@ -1228,7 +1225,7 @@ struct accumulator {
if (lower < n) ++upper;
}
void operator>>=(int shift) {
assert(shift == 32);
FMT_ASSERT(shift == 32, "");
(void)shift;
lower = (upper << 32) | (lower >> 32);
upper >>= 32;
@ -1307,7 +1304,7 @@ class bigint {
public:
bigint() : exp_(0) {}
explicit bigint(uint64_t n) { assign(n); }
~bigint() { assert(bigits_.capacity() <= bigits_capacity); }
~bigint() { FMT_ASSERT(bigits_.capacity() <= bigits_capacity, ""); }
bigint(const bigint&) = delete;
void operator=(const bigint&) = delete;
@ -1333,7 +1330,7 @@ class bigint {
int num_bigits() const { return static_cast<int>(bigits_.size()) + exp_; }
FMT_NOINLINE bigint& operator<<=(int shift) {
assert(shift >= 0);
FMT_ASSERT(shift >= 0, "");
exp_ += shift / bigit_bits;
shift %= bigit_bits;
if (shift == 0) return *this;
@ -1395,7 +1392,7 @@ class bigint {
// Assigns pow(10, exp) to this bigint.
void assign_pow10(int exp) {
assert(exp >= 0);
FMT_ASSERT(exp >= 0, "");
if (exp == 0) return assign(1);
// Find the top bit.
int bitmask = 1;
@ -1646,8 +1643,7 @@ struct fixed_handler {
// Implementation of Dragonbox algorithm: https://github.com/jk-jeon/dragonbox.
namespace dragonbox {
// Computes 128-bit result of multiplication of two 64-bit unsigned integers.
FMT_SAFEBUFFERS inline uint128_wrapper umul128(uint64_t x,
uint64_t y) FMT_NOEXCEPT {
inline uint128_wrapper umul128(uint64_t x, uint64_t y) FMT_NOEXCEPT {
#if FMT_USE_INT128
return static_cast<uint128_t>(x) * static_cast<uint128_t>(y);
#elif defined(_MSC_VER) && defined(_M_X64)
@ -1675,8 +1671,7 @@ FMT_SAFEBUFFERS inline uint128_wrapper umul128(uint64_t x,
}
// Computes upper 64 bits of multiplication of two 64-bit unsigned integers.
FMT_SAFEBUFFERS inline uint64_t umul128_upper64(uint64_t x,
uint64_t y) FMT_NOEXCEPT {
inline uint64_t umul128_upper64(uint64_t x, uint64_t y) FMT_NOEXCEPT {
#if FMT_USE_INT128
auto p = static_cast<uint128_t>(x) * static_cast<uint128_t>(y);
return static_cast<uint64_t>(p >> 64);
@ -1689,8 +1684,7 @@ FMT_SAFEBUFFERS inline uint64_t umul128_upper64(uint64_t x,
// Computes upper 64 bits of multiplication of a 64-bit unsigned integer and a
// 128-bit unsigned integer.
FMT_SAFEBUFFERS inline uint64_t umul192_upper64(uint64_t x, uint128_wrapper y)
FMT_NOEXCEPT {
inline uint64_t umul192_upper64(uint64_t x, uint128_wrapper y) FMT_NOEXCEPT {
uint128_wrapper g0 = umul128(x, y.high());
g0 += umul128_upper64(x, y.low());
return g0.high();
@ -1704,8 +1698,7 @@ inline uint32_t umul96_upper32(uint32_t x, uint64_t y) FMT_NOEXCEPT {
// Computes middle 64 bits of multiplication of a 64-bit unsigned integer and a
// 128-bit unsigned integer.
FMT_SAFEBUFFERS inline uint64_t umul192_middle64(uint64_t x, uint128_wrapper y)
FMT_NOEXCEPT {
inline uint64_t umul192_middle64(uint64_t x, uint128_wrapper y) FMT_NOEXCEPT {
uint64_t g01 = x * y.high();
uint64_t g10 = umul128_upper64(x, y.low());
return g01 + g10;
@ -2124,8 +2117,8 @@ FMT_ALWAYS_INLINE int remove_trailing_zeros(uint64_t& n) FMT_NOEXCEPT {
// The main algorithm for shorter interval case
template <class T>
FMT_ALWAYS_INLINE FMT_SAFEBUFFERS decimal_fp<T> shorter_interval_case(
int exponent) FMT_NOEXCEPT {
FMT_ALWAYS_INLINE decimal_fp<T> shorter_interval_case(int exponent)
FMT_NOEXCEPT {
decimal_fp<T> ret_value;
// Compute k and beta
const int minus_k = floor_log10_pow2_minus_log10_4_over_3(exponent);
@ -2171,8 +2164,7 @@ FMT_ALWAYS_INLINE FMT_SAFEBUFFERS decimal_fp<T> shorter_interval_case(
return ret_value;
}
template <typename T>
FMT_SAFEBUFFERS decimal_fp<T> to_decimal(T x) FMT_NOEXCEPT {
template <typename T> decimal_fp<T> to_decimal(T x) FMT_NOEXCEPT {
// Step 1: integer promotion & Schubfach multiplier calculation.
using carrier_uint = typename float_info<T>::carrier_uint;
@ -2571,11 +2563,11 @@ int snprintf_float(T value, int precision, float_specs specs,
--exp_pos;
} while (*exp_pos != 'e');
char sign = exp_pos[1];
assert(sign == '+' || sign == '-');
FMT_ASSERT(sign == '+' || sign == '-', "");
int exp = 0;
auto p = exp_pos + 2; // Skip 'e' and sign.
do {
assert(is_digit(*p));
FMT_ASSERT(is_digit(*p), "");
exp = exp * 10 + (*p++ - '0');
} while (p != end);
if (sign == '-') exp = -exp;
@ -2593,54 +2585,6 @@ int snprintf_float(T value, int precision, float_specs specs,
}
}
// A public domain branchless UTF-8 decoder by Christopher Wellons:
// https://github.com/skeeto/branchless-utf8
/* Decode the next character, c, from buf, reporting errors in e.
*
* Since this is a branchless decoder, four bytes will be read from the
* buffer regardless of the actual length of the next character. This
* means the buffer _must_ have at least three bytes of zero padding
* following the end of the data stream.
*
* Errors are reported in e, which will be non-zero if the parsed
* character was somehow invalid: invalid byte sequence, non-canonical
* encoding, or a surrogate half.
*
* The function returns a pointer to the next character. When an error
* occurs, this pointer will be a guess that depends on the particular
* error, but it will always advance at least one byte.
*/
inline const char* utf8_decode(const char* buf, uint32_t* c, int* e) {
static const int masks[] = {0x00, 0x7f, 0x1f, 0x0f, 0x07};
static const uint32_t mins[] = {4194304, 0, 128, 2048, 65536};
static const int shiftc[] = {0, 18, 12, 6, 0};
static const int shifte[] = {0, 6, 4, 2, 0};
int len = code_point_length(buf);
const char* next = buf + len;
// Assume a four-byte character and load four bytes. Unused bits are
// shifted out.
auto s = reinterpret_cast<const unsigned char*>(buf);
*c = uint32_t(s[0] & masks[len]) << 18;
*c |= uint32_t(s[1] & 0x3f) << 12;
*c |= uint32_t(s[2] & 0x3f) << 6;
*c |= uint32_t(s[3] & 0x3f) << 0;
*c >>= shiftc[len];
// Accumulate the various error conditions.
*e = (*c < mins[len]) << 6; // non-canonical encoding
*e |= ((*c >> 11) == 0x1b) << 7; // surrogate half?
*e |= (*c > 0x10FFFF) << 8; // out of range?
*e |= (s[1] & 0xc0) >> 2;
*e |= (s[2] & 0xc0) >> 4;
*e |= (s[3]) >> 6;
*e ^= 0x2a; // top two bits of each tail byte correct?
*e >>= shifte[len];
return next;
}
struct stringifier {
template <typename T> FMT_INLINE std::string operator()(T value) const {
return to_string(value);
@ -2656,7 +2600,8 @@ struct stringifier {
} // namespace detail
template <> struct formatter<detail::bigint> {
format_parse_context::iterator parse(format_parse_context& ctx) {
FMT_CONSTEXPR format_parse_context::iterator parse(
format_parse_context& ctx) {
return ctx.begin();
}
@ -2667,23 +2612,21 @@ template <> struct formatter<detail::bigint> {
for (auto i = n.bigits_.size(); i > 0; --i) {
auto value = n.bigits_[i - 1u];
if (first) {
out = format_to(out, "{:x}", value);
out = format_to(out, FMT_STRING("{:x}"), value);
first = false;
continue;
}
out = format_to(out, "{:08x}", value);
out = format_to(out, FMT_STRING("{:08x}"), value);
}
if (n.exp_ > 0)
out = format_to(out, "p{}", n.exp_ * detail::bigint::bigit_bits);
out = format_to(out, FMT_STRING("p{}"),
n.exp_ * detail::bigint::bigit_bits);
return out;
}
};
FMT_FUNC detail::utf8_to_utf16::utf8_to_utf16(string_view s) {
auto transcode = [this](const char* p) {
auto cp = uint32_t();
auto error = 0;
p = utf8_decode(p, &cp, &error);
for_each_codepoint(s, [this](uint32_t cp, int error) {
if (error != 0) FMT_THROW(std::runtime_error("invalid utf8"));
if (cp <= 0xFFFF) {
buffer_.push_back(static_cast<wchar_t>(cp));
@ -2692,21 +2635,7 @@ FMT_FUNC detail::utf8_to_utf16::utf8_to_utf16(string_view s) {
buffer_.push_back(static_cast<wchar_t>(0xD800 + (cp >> 10)));
buffer_.push_back(static_cast<wchar_t>(0xDC00 + (cp & 0x3FF)));
}
return p;
};
auto p = s.data();
const size_t block_size = 4; // utf8_decode always reads blocks of 4 chars.
if (s.size() >= block_size) {
for (auto end = p + s.size() - block_size + 1; p < end;) p = transcode(p);
}
if (auto num_chars_left = s.data() + s.size() - p) {
char buf[2 * block_size - 1] = {};
memcpy(buf, p, to_unsigned(num_chars_left));
p = buf;
do {
p = transcode(p);
} while (p - buf < num_chars_left);
}
});
buffer_.push_back(0);
}
@ -2720,8 +2649,8 @@ FMT_FUNC void format_system_error(detail::buffer<char>& out, int error_code,
int result =
detail::safe_strerror(error_code, system_message, buf.size());
if (result == 0) {
format_to(detail::buffer_appender<char>(out), "{}: {}", message,
system_message);
format_to(detail::buffer_appender<char>(out), FMT_STRING("{}: {}"),
message, system_message);
return;
}
if (result != ERANGE)
@ -2770,12 +2699,13 @@ FMT_FUNC void vprint(std::FILE* f, string_view format_str, format_args args) {
if (_isatty(fd)) {
detail::utf8_to_utf16 u16(string_view(buffer.data(), buffer.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)) {
FMT_THROW(format_error("failed to write to console"));
if (detail::WriteConsoleW(reinterpret_cast<void*>(_get_osfhandle(fd)),
u16.c_str(), static_cast<uint32_t>(u16.size()),
&written, nullptr)) {
return;
}
return;
// Fallback to fwrite on failure. It can happen if the output has been
// redirected to NUL.
}
#endif
detail::fwrite_fully(buffer.data(), 1, buffer.size(), f);

1380
vendor/Fmt/include/fmt/format.h vendored
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File diff suppressed because it is too large Load Diff

4
vendor/Fmt/include/fmt/locale.h vendored
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@ -52,8 +52,8 @@ inline OutputIt vformat_to(
template <typename OutputIt, typename S, typename... Args,
bool enable = detail::is_output_iterator<OutputIt, char_t<S>>::value>
inline auto format_to(OutputIt out, const std::locale& loc,
const S& format_str, Args&&... args) ->
inline auto format_to(OutputIt out, const std::locale& loc, const S& format_str,
Args&&... args) ->
typename std::enable_if<enable, OutputIt>::type {
const auto& vargs = fmt::make_args_checked<Args...>(format_str, args...);
return vformat_to(out, loc, to_string_view(format_str), vargs);

40
vendor/Fmt/include/fmt/os.h vendored
View File

@ -8,11 +8,6 @@
#ifndef FMT_OS_H_
#define FMT_OS_H_
#if defined(__MINGW32__) || defined(__CYGWIN__)
// Workaround MinGW bug https://sourceforge.net/p/mingw/bugs/2024/.
# undef __STRICT_ANSI__
#endif
#include <cerrno>
#include <clocale> // for locale_t
#include <cstddef>
@ -280,7 +275,8 @@ class file {
WRONLY = FMT_POSIX(O_WRONLY), // Open for writing only.
RDWR = FMT_POSIX(O_RDWR), // Open for reading and writing.
CREATE = FMT_POSIX(O_CREAT), // Create if the file doesn't exist.
APPEND = FMT_POSIX(O_APPEND) // Open in append mode.
APPEND = FMT_POSIX(O_APPEND), // Open in append mode.
TRUNC = FMT_POSIX(O_TRUNC) // Truncate the content of the file.
};
// Constructs a file object which doesn't represent any file.
@ -348,6 +344,7 @@ long getpagesize();
namespace detail {
struct buffer_size {
buffer_size() = default;
size_t value = 0;
buffer_size operator=(size_t val) const {
auto bs = buffer_size();
@ -357,14 +354,14 @@ struct buffer_size {
};
struct ostream_params {
int oflag = file::WRONLY | file::CREATE;
int oflag = file::WRONLY | file::CREATE | file::TRUNC;
size_t buffer_size = BUFSIZ > 32768 ? BUFSIZ : 32768;
ostream_params() {}
template <typename... T>
ostream_params(T... params, int oflag) : ostream_params(params...) {
this->oflag = oflag;
ostream_params(T... params, int new_oflag) : ostream_params(params...) {
oflag = new_oflag;
}
template <typename... T>
@ -377,7 +374,7 @@ struct ostream_params {
static constexpr detail::buffer_size buffer_size;
// A fast output stream which is not thread-safe.
/** A fast output stream which is not thread-safe. */
class ostream final : private detail::buffer<char> {
private:
file file_;
@ -414,16 +411,31 @@ class ostream final : private detail::buffer<char> {
file_.close();
}
/**
Formats ``args`` according to specifications in ``format_str`` and writes
the output to the file.
*/
template <typename S, typename... Args>
void print(const S& format_str, const Args&... args) {
format_to(detail::buffer_appender<char>(*this), format_str, args...);
void print(const S& format_str, Args&&... args) {
format_to(detail::buffer_appender<char>(*this), format_str,
std::forward<Args>(args)...);
}
};
/**
Opens a file for writing. Supported parameters passed in `params`:
* ``<integer>``: Output flags (``file::WRONLY | file::CREATE`` by default)
\rst
Opens a file for writing. Supported parameters passed in *params*:
* ``<integer>``: Flags passed to `open
<https://pubs.opengroup.org/onlinepubs/007904875/functions/open.html>`_
(``file::WRONLY | file::CREATE`` by default)
* ``buffer_size=<integer>``: Output buffer size
**Example**::
auto out = fmt::output_file("guide.txt");
out.print("Don't {}", "Panic");
\endrst
*/
template <typename... T>
inline ostream output_file(cstring_view path, T... params) {

2
vendor/Fmt/include/fmt/ostream.h vendored
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@ -85,6 +85,8 @@ template <typename T, typename Char> class is_streamable {
using result = decltype(test<T>(0));
public:
is_streamable() = default;
static const bool value = result::value;
};

103
vendor/Fmt/include/fmt/printf.h vendored
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@ -207,50 +207,32 @@ template <typename OutputIt, typename Char> class basic_printf_context;
*/
template <typename OutputIt, typename Char>
class printf_arg_formatter : public detail::arg_formatter_base<OutputIt, Char> {
public:
using iterator = OutputIt;
private:
using char_type = Char;
using base = detail::arg_formatter_base<OutputIt, Char>;
using context_type = basic_printf_context<OutputIt, Char>;
using format_specs = typename base::format_specs;
context_type& context_;
void write_null_pointer(char) {
this->specs()->type = 0;
this->write("(nil)");
}
void write_null_pointer(wchar_t) {
this->specs()->type = 0;
this->write(L"(nil)");
OutputIt write_null_pointer(bool is_string = false) {
auto s = this->specs();
s.type = 0;
return detail::write(this->out(),
string_view(is_string ? "(null)" : "(nil)"), s);
}
public:
using format_specs = typename base::format_specs;
printf_arg_formatter(OutputIt iter, format_specs& specs, context_type& ctx)
: base(iter, specs, detail::locale_ref()), context_(ctx) {}
/**
\rst
Constructs an argument formatter object.
*buffer* is a reference to the output buffer and *specs* contains format
specifier information for standard argument types.
\endrst
*/
printf_arg_formatter(iterator iter, format_specs& specs, context_type& ctx)
: base(iter, &specs, detail::locale_ref()), context_(ctx) {}
OutputIt operator()(monostate value) { return base::operator()(value); }
template <typename T, FMT_ENABLE_IF(fmt::detail::is_integral<T>::value)>
iterator operator()(T value) {
// MSVC2013 fails to compile separate overloads for bool and char_type so
// use std::is_same instead.
if (std::is_same<T, bool>::value) {
format_specs& fmt_specs = *this->specs();
if (fmt_specs.type != 's') return base::operator()(value ? 1 : 0);
fmt_specs.type = 0;
this->write(value != 0);
} else if (std::is_same<T, char_type>::value) {
format_specs& fmt_specs = *this->specs();
OutputIt 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 && fmt_specs.type != 'c')
return (*this)(static_cast<int>(value));
fmt_specs.sign = sign::none;
@ -260,56 +242,39 @@ class printf_arg_formatter : public detail::arg_formatter_base<OutputIt, Char> {
// ignored for non-numeric types
if (fmt_specs.align == align::none || fmt_specs.align == align::numeric)
fmt_specs.align = align::right;
return base::operator()(value);
} else {
return base::operator()(value);
return write_char(this->out(), static_cast<Char>(value), fmt_specs);
}
return this->out();
return base::operator()(value);
}
template <typename T, FMT_ENABLE_IF(std::is_floating_point<T>::value)>
iterator operator()(T value) {
OutputIt operator()(T value) {
return base::operator()(value);
}
/** Formats a null-terminated C string. */
iterator operator()(const char* value) {
if (value)
base::operator()(value);
else if (this->specs()->type == 'p')
write_null_pointer(char_type());
else
this->write("(null)");
return this->out();
OutputIt operator()(const char* value) {
if (value) return base::operator()(value);
return write_null_pointer(this->specs().type != 'p');
}
/** Formats a null-terminated wide C string. */
iterator operator()(const wchar_t* value) {
if (value)
base::operator()(value);
else if (this->specs()->type == 'p')
write_null_pointer(char_type());
else
this->write(L"(null)");
return this->out();
OutputIt operator()(const wchar_t* value) {
if (value) return base::operator()(value);
return write_null_pointer(this->specs().type != 'p');
}
iterator operator()(basic_string_view<char_type> value) {
OutputIt operator()(basic_string_view<Char> value) {
return base::operator()(value);
}
iterator operator()(monostate value) { return base::operator()(value); }
/** Formats a pointer. */
iterator operator()(const void* value) {
if (value) return base::operator()(value);
this->specs()->type = 0;
write_null_pointer(char_type());
return this->out();
OutputIt operator()(const void* value) {
return value ? base::operator()(value) : write_null_pointer();
}
/** Formats an argument of a custom (user-defined) type. */
iterator operator()(typename basic_format_arg<context_type>::handle handle) {
OutputIt operator()(typename basic_format_arg<context_type>::handle handle) {
handle.format(context_.parse_context(), context_);
return this->out();
}
@ -474,14 +439,19 @@ OutputIt basic_printf_context<OutputIt, 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 '%'
break;
}
char_type c = *it++;
if (c != '%') continue;
if (it != end && *it == c) {
out = std::copy(start, it, out);
out = detail::write(
out, basic_string_view<Char>(start, detail::to_unsigned(it - start)));
start = ++it;
continue;
}
out = std::copy(start, it - 1, out);
out = detail::write(out, basic_string_view<Char>(
start, detail::to_unsigned(it - 1 - start)));
format_specs specs;
specs.align = align::right;
@ -593,7 +563,8 @@ OutputIt basic_printf_context<OutputIt, Char>::format() {
// Format argument.
out = visit_format_arg(ArgFormatter(out, specs, *this), arg);
}
return std::copy(start, it, out);
return detail::write(
out, basic_string_view<Char>(start, detail::to_unsigned(it - start)));
}
template <typename Char>

199
vendor/Fmt/include/fmt/ranges.h vendored
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@ -36,22 +36,14 @@ struct formatting_range : formatting_base<Char> {
static FMT_CONSTEXPR_DECL const size_t range_length_limit =
FMT_RANGE_OUTPUT_LENGTH_LIMIT; // output only up to N items from the
// range.
Char prefix;
Char delimiter;
Char postfix;
formatting_range() : prefix('{'), delimiter(','), postfix('}') {}
static FMT_CONSTEXPR_DECL const bool add_delimiter_spaces = true;
static FMT_CONSTEXPR_DECL const bool add_prepostfix_space = false;
Char prefix = '{';
Char postfix = '}';
};
template <typename Char, typename Enable = void>
struct formatting_tuple : formatting_base<Char> {
Char prefix;
Char delimiter;
Char postfix;
formatting_tuple() : prefix('('), delimiter(','), postfix(')') {}
static FMT_CONSTEXPR_DECL const bool add_delimiter_spaces = true;
static FMT_CONSTEXPR_DECL const bool add_prepostfix_space = false;
Char prefix = '(';
Char postfix = ')';
};
namespace detail {
@ -95,12 +87,100 @@ template <typename... Ts> struct conditional_helper {};
template <typename T, typename _ = void> struct is_range_ : std::false_type {};
#if !FMT_MSC_VER || FMT_MSC_VER > 1800
# define FMT_DECLTYPE_RETURN(val) \
->decltype(val) { return val; } \
static_assert( \
true, "") // This makes it so that a semicolon is required after the
// macro, which helps clang-format handle the formatting.
// C array overload
template <typename T, std::size_t N>
auto range_begin(const T (&arr)[N]) -> const T* {
return arr;
}
template <typename T, std::size_t N>
auto range_end(const T (&arr)[N]) -> const T* {
return arr + N;
}
template <typename T, typename Enable = void>
struct has_member_fn_begin_end_t : std::false_type {};
template <typename T>
struct is_range_<
T, conditional_t<false,
conditional_helper<decltype(std::declval<T>().begin()),
decltype(std::declval<T>().end())>,
void>> : std::true_type {};
struct has_member_fn_begin_end_t<T, void_t<decltype(std::declval<T>().begin()),
decltype(std::declval<T>().end())>>
: std::true_type {};
// Member function overload
template <typename T>
auto range_begin(T&& rng) FMT_DECLTYPE_RETURN(static_cast<T&&>(rng).begin());
template <typename T>
auto range_end(T&& rng) FMT_DECLTYPE_RETURN(static_cast<T&&>(rng).end());
// ADL overload. Only participates in overload resolution if member functions
// are not found.
template <typename T>
auto range_begin(T&& rng)
-> enable_if_t<!has_member_fn_begin_end_t<T&&>::value,
decltype(begin(static_cast<T&&>(rng)))> {
return begin(static_cast<T&&>(rng));
}
template <typename T>
auto range_end(T&& rng) -> enable_if_t<!has_member_fn_begin_end_t<T&&>::value,
decltype(end(static_cast<T&&>(rng)))> {
return end(static_cast<T&&>(rng));
}
template <typename T, typename Enable = void>
struct has_const_begin_end : std::false_type {};
template <typename T, typename Enable = void>
struct has_mutable_begin_end : std::false_type {};
template <typename T>
struct has_const_begin_end<
T, void_t<decltype(detail::range_begin(
std::declval<const remove_cvref_t<T>&>())),
decltype(detail::range_begin(
std::declval<const remove_cvref_t<T>&>()))>>
: std::true_type {};
template <typename T>
struct has_mutable_begin_end<
T, void_t<decltype(detail::range_begin(std::declval<T>())),
decltype(detail::range_begin(std::declval<T>())),
enable_if_t<std::is_copy_constructible<T>::value>>>
: std::true_type {};
template <typename T>
struct is_range_<T, void>
: std::integral_constant<bool, (has_const_begin_end<T>::value ||
has_mutable_begin_end<T>::value)> {};
template <typename T, typename Enable = void> struct range_to_view;
template <typename T>
struct range_to_view<T, enable_if_t<has_const_begin_end<T>::value>> {
struct view_t {
const T* m_range_ptr;
auto begin() const FMT_DECLTYPE_RETURN(detail::range_begin(*m_range_ptr));
auto end() const FMT_DECLTYPE_RETURN(detail::range_end(*m_range_ptr));
};
static auto view(const T& range) -> view_t { return {&range}; }
};
template <typename T>
struct range_to_view<T, enable_if_t<!has_const_begin_end<T>::value &&
has_mutable_begin_end<T>::value>> {
struct view_t {
T m_range_copy;
auto begin() FMT_DECLTYPE_RETURN(detail::range_begin(m_range_copy));
auto end() FMT_DECLTYPE_RETURN(detail::range_end(m_range_copy));
};
static auto view(const T& range) -> view_t { return {range}; }
};
# undef FMT_DECLTYPE_RETURN
#endif
/// tuple_size and tuple_element check.
@ -158,33 +238,42 @@ template <class Tuple, class F> void for_each(Tuple&& tup, F&& f) {
}
template <typename Range>
using value_type = remove_cvref_t<decltype(*std::declval<Range>().begin())>;
using value_type =
remove_cvref_t<decltype(*detail::range_begin(std::declval<Range>()))>;
template <typename Arg, FMT_ENABLE_IF(!is_like_std_string<
typename std::decay<Arg>::type>::value)>
FMT_CONSTEXPR const char* format_str_quoted(bool add_space, const Arg&) {
return add_space ? " {}" : "{}";
template <typename OutputIt> OutputIt write_delimiter(OutputIt out) {
*out++ = ',';
*out++ = ' ';
return out;
}
template <typename Arg, FMT_ENABLE_IF(is_like_std_string<
typename std::decay<Arg>::type>::value)>
FMT_CONSTEXPR const char* format_str_quoted(bool add_space, const Arg&) {
return add_space ? " \"{}\"" : "\"{}\"";
template <
typename Char, typename OutputIt, typename Arg,
FMT_ENABLE_IF(is_like_std_string<typename std::decay<Arg>::type>::value)>
OutputIt write_range_entry(OutputIt out, const Arg& v) {
*out++ = '"';
out = write<Char>(out, v);
*out++ = '"';
return out;
}
FMT_CONSTEXPR const char* format_str_quoted(bool add_space, const char*) {
return add_space ? " \"{}\"" : "\"{}\"";
}
FMT_CONSTEXPR const wchar_t* format_str_quoted(bool add_space, const wchar_t*) {
return add_space ? L" \"{}\"" : L"\"{}\"";
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) {
*out++ = '\'';
*out++ = v;
*out++ = '\'';
return out;
}
FMT_CONSTEXPR const char* format_str_quoted(bool add_space, const char) {
return add_space ? " '{}'" : "'{}'";
}
FMT_CONSTEXPR const wchar_t* format_str_quoted(bool add_space, const wchar_t) {
return add_space ? L" '{}'" : L"'{}'";
template <
typename Char, typename OutputIt, typename Arg,
FMT_ENABLE_IF(!is_like_std_string<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);
}
} // namespace detail
template <typename T> struct is_tuple_like {
@ -198,19 +287,10 @@ struct formatter<TupleT, Char, enable_if_t<fmt::is_tuple_like<TupleT>::value>> {
// C++11 generic lambda for format()
template <typename FormatContext> struct format_each {
template <typename T> void operator()(const T& v) {
if (i > 0) {
if (formatting.add_prepostfix_space) {
*out++ = ' ';
}
out = detail::copy(formatting.delimiter, out);
}
out = format_to(out,
detail::format_str_quoted(
(formatting.add_delimiter_spaces && i > 0), v),
v);
if (i > 0) out = detail::write_delimiter(out);
out = detail::write_range_entry<Char>(out, v);
++i;
}
formatting_tuple<Char>& formatting;
size_t& i;
typename std::add_lvalue_reference<decltype(
@ -229,12 +309,9 @@ struct formatter<TupleT, Char, enable_if_t<fmt::is_tuple_like<TupleT>::value>> {
auto format(const TupleT& values, FormatContext& ctx) -> decltype(ctx.out()) {
auto out = ctx.out();
size_t i = 0;
detail::copy(formatting.prefix, out);
detail::copy(formatting.prefix, out);
detail::for_each(values, format_each<FormatContext>{formatting, i, out});
if (formatting.add_prepostfix_space) {
*out++ = ' ';
}
detail::copy(formatting.postfix, out);
return ctx.out();
@ -271,23 +348,17 @@ struct formatter<
typename FormatContext::iterator format(const T& values, FormatContext& ctx) {
auto out = detail::copy(formatting.prefix, ctx.out());
size_t i = 0;
auto it = values.begin();
auto end = values.end();
auto view = detail::range_to_view<T>::view(values);
auto it = view.begin();
auto end = view.end();
for (; it != end; ++it) {
if (i > 0) {
if (formatting.add_prepostfix_space) *out++ = ' ';
out = detail::copy(formatting.delimiter, out);
}
out = format_to(out,
detail::format_str_quoted(
(formatting.add_delimiter_spaces && i > 0), *it),
*it);
if (i > 0) out = detail::write_delimiter(out);
out = detail::write_range_entry<Char>(out, *it);
if (++i > formatting.range_length_limit) {
out = format_to(out, " ... <other elements>");
out = format_to(out, FMT_STRING("{}"), " ... <other elements>");
break;
}
}
if (formatting.add_prepostfix_space) *out++ = ' ';
return detail::copy(formatting.postfix, out);
}
};
@ -297,7 +368,7 @@ template <typename Char, typename... T> struct tuple_arg_join : detail::view {
basic_string_view<Char> sep;
tuple_arg_join(const std::tuple<T...>& t, basic_string_view<Char> s)
: tuple{t}, sep{s} {}
: tuple(t), sep{s} {}
};
template <typename Char, typename... T>