update spdlog
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		| @@ -16,16 +16,291 @@ | ||||
| #include <locale> | ||||
| #include <sstream> | ||||
|  | ||||
| // enable safe chrono durations, unless explicitly disabled | ||||
| FMT_BEGIN_NAMESPACE | ||||
|  | ||||
| // Enable safe chrono durations, unless explicitly disabled. | ||||
| #ifndef FMT_SAFE_DURATION_CAST | ||||
| #  define FMT_SAFE_DURATION_CAST 1 | ||||
| #endif | ||||
|  | ||||
| #if FMT_SAFE_DURATION_CAST | ||||
| #  include "safe-duration-cast.h" | ||||
| #endif | ||||
|  | ||||
| FMT_BEGIN_NAMESPACE | ||||
| // For conversion between std::chrono::durations without undefined | ||||
| // behaviour or erroneous results. | ||||
| // This is a stripped down version of duration_cast, for inclusion in fmt. | ||||
| // See https://github.com/pauldreik/safe_duration_cast | ||||
| // | ||||
| // Copyright Paul Dreik 2019 | ||||
| namespace safe_duration_cast { | ||||
|  | ||||
| template <typename To, typename From, | ||||
|           FMT_ENABLE_IF(!std::is_same<From, To>::value && | ||||
|                         std::numeric_limits<From>::is_signed == | ||||
|                             std::numeric_limits<To>::is_signed)> | ||||
| FMT_CONSTEXPR To lossless_integral_conversion(const From from, int& ec) { | ||||
|   ec = 0; | ||||
|   using F = std::numeric_limits<From>; | ||||
|   using T = std::numeric_limits<To>; | ||||
|   static_assert(F::is_integer, "From must be integral"); | ||||
|   static_assert(T::is_integer, "To must be integral"); | ||||
|  | ||||
|   // A and B are both signed, or both unsigned. | ||||
|   if (F::digits <= T::digits) { | ||||
|     // From fits in To without any problem. | ||||
|   } else { | ||||
|     // From does not always fit in To, resort to a dynamic check. | ||||
|     if (from < T::min() || from > T::max()) { | ||||
|       // outside range. | ||||
|       ec = 1; | ||||
|       return {}; | ||||
|     } | ||||
|   } | ||||
|   return static_cast<To>(from); | ||||
| } | ||||
|  | ||||
| /** | ||||
|  * converts From to To, without loss. If the dynamic value of from | ||||
|  * can't be converted to To without loss, ec is set. | ||||
|  */ | ||||
| template <typename To, typename From, | ||||
|           FMT_ENABLE_IF(!std::is_same<From, To>::value && | ||||
|                         std::numeric_limits<From>::is_signed != | ||||
|                             std::numeric_limits<To>::is_signed)> | ||||
| FMT_CONSTEXPR To lossless_integral_conversion(const From from, int& ec) { | ||||
|   ec = 0; | ||||
|   using F = std::numeric_limits<From>; | ||||
|   using T = std::numeric_limits<To>; | ||||
|   static_assert(F::is_integer, "From must be integral"); | ||||
|   static_assert(T::is_integer, "To must be integral"); | ||||
|  | ||||
|   if (F::is_signed && !T::is_signed) { | ||||
|     // From may be negative, not allowed! | ||||
|     if (fmt::internal::is_negative(from)) { | ||||
|       ec = 1; | ||||
|       return {}; | ||||
|     } | ||||
|  | ||||
|     // From is positive. Can it always fit in To? | ||||
|     if (F::digits <= T::digits) { | ||||
|       // yes, From always fits in To. | ||||
|     } else { | ||||
|       // from may not fit in To, we have to do a dynamic check | ||||
|       if (from > static_cast<From>(T::max())) { | ||||
|         ec = 1; | ||||
|         return {}; | ||||
|       } | ||||
|     } | ||||
|   } | ||||
|  | ||||
|   if (!F::is_signed && T::is_signed) { | ||||
|     // can from be held in To? | ||||
|     if (F::digits < T::digits) { | ||||
|       // yes, From always fits in To. | ||||
|     } else { | ||||
|       // from may not fit in To, we have to do a dynamic check | ||||
|       if (from > static_cast<From>(T::max())) { | ||||
|         // outside range. | ||||
|         ec = 1; | ||||
|         return {}; | ||||
|       } | ||||
|     } | ||||
|   } | ||||
|  | ||||
|   // reaching here means all is ok for lossless conversion. | ||||
|   return static_cast<To>(from); | ||||
|  | ||||
| }  // function | ||||
|  | ||||
| template <typename To, typename From, | ||||
|           FMT_ENABLE_IF(std::is_same<From, To>::value)> | ||||
| FMT_CONSTEXPR To lossless_integral_conversion(const From from, int& ec) { | ||||
|   ec = 0; | ||||
|   return from; | ||||
| }  // function | ||||
|  | ||||
| // clang-format off | ||||
| /** | ||||
|  * converts From to To if possible, otherwise ec is set. | ||||
|  * | ||||
|  * input                            |    output | ||||
|  * ---------------------------------|--------------- | ||||
|  * NaN                              | NaN | ||||
|  * Inf                              | Inf | ||||
|  * normal, fits in output           | converted (possibly lossy) | ||||
|  * normal, does not fit in output   | ec is set | ||||
|  * subnormal                        | best effort | ||||
|  * -Inf                             | -Inf | ||||
|  */ | ||||
| // clang-format on | ||||
| template <typename To, typename From, | ||||
|           FMT_ENABLE_IF(!std::is_same<From, To>::value)> | ||||
| FMT_CONSTEXPR To safe_float_conversion(const From from, int& ec) { | ||||
|   ec = 0; | ||||
|   using T = std::numeric_limits<To>; | ||||
|   static_assert(std::is_floating_point<From>::value, "From must be floating"); | ||||
|   static_assert(std::is_floating_point<To>::value, "To must be floating"); | ||||
|  | ||||
|   // catch the only happy case | ||||
|   if (std::isfinite(from)) { | ||||
|     if (from >= T::lowest() && from <= T::max()) { | ||||
|       return static_cast<To>(from); | ||||
|     } | ||||
|     // not within range. | ||||
|     ec = 1; | ||||
|     return {}; | ||||
|   } | ||||
|  | ||||
|   // nan and inf will be preserved | ||||
|   return static_cast<To>(from); | ||||
| }  // function | ||||
|  | ||||
| template <typename To, typename From, | ||||
|           FMT_ENABLE_IF(std::is_same<From, To>::value)> | ||||
| FMT_CONSTEXPR To safe_float_conversion(const From from, int& ec) { | ||||
|   ec = 0; | ||||
|   static_assert(std::is_floating_point<From>::value, "From must be floating"); | ||||
|   return from; | ||||
| } | ||||
|  | ||||
| /** | ||||
|  * safe duration cast between integral durations | ||||
|  */ | ||||
| template <typename To, typename FromRep, typename FromPeriod, | ||||
|           FMT_ENABLE_IF(std::is_integral<FromRep>::value), | ||||
|           FMT_ENABLE_IF(std::is_integral<typename To::rep>::value)> | ||||
| To safe_duration_cast(std::chrono::duration<FromRep, FromPeriod> from, | ||||
|                       int& ec) { | ||||
|   using From = std::chrono::duration<FromRep, FromPeriod>; | ||||
|   ec = 0; | ||||
|   // the basic idea is that we need to convert from count() in the from type | ||||
|   // to count() in the To type, by multiplying it with this: | ||||
|   struct Factor | ||||
|       : std::ratio_divide<typename From::period, typename To::period> {}; | ||||
|  | ||||
|   static_assert(Factor::num > 0, "num must be positive"); | ||||
|   static_assert(Factor::den > 0, "den must be positive"); | ||||
|  | ||||
|   // the conversion is like this: multiply from.count() with Factor::num | ||||
|   // /Factor::den and convert it to To::rep, all this without | ||||
|   // overflow/underflow. let's start by finding a suitable type that can hold | ||||
|   // both To, From and Factor::num | ||||
|   using IntermediateRep = | ||||
|       typename std::common_type<typename From::rep, typename To::rep, | ||||
|                                 decltype(Factor::num)>::type; | ||||
|  | ||||
|   // safe conversion to IntermediateRep | ||||
|   IntermediateRep count = | ||||
|       lossless_integral_conversion<IntermediateRep>(from.count(), ec); | ||||
|   if (ec) { | ||||
|     return {}; | ||||
|   } | ||||
|   // multiply with Factor::num without overflow or underflow | ||||
|   if (Factor::num != 1) { | ||||
|     const auto max1 = internal::max_value<IntermediateRep>() / Factor::num; | ||||
|     if (count > max1) { | ||||
|       ec = 1; | ||||
|       return {}; | ||||
|     } | ||||
|     const auto min1 = std::numeric_limits<IntermediateRep>::min() / Factor::num; | ||||
|     if (count < min1) { | ||||
|       ec = 1; | ||||
|       return {}; | ||||
|     } | ||||
|     count *= Factor::num; | ||||
|   } | ||||
|  | ||||
|   // this can't go wrong, right? den>0 is checked earlier. | ||||
|   if (Factor::den != 1) { | ||||
|     count /= Factor::den; | ||||
|   } | ||||
|   // convert to the to type, safely | ||||
|   using ToRep = typename To::rep; | ||||
|   const ToRep tocount = lossless_integral_conversion<ToRep>(count, ec); | ||||
|   if (ec) { | ||||
|     return {}; | ||||
|   } | ||||
|   return To{tocount}; | ||||
| } | ||||
|  | ||||
| /** | ||||
|  * safe duration_cast between floating point durations | ||||
|  */ | ||||
| template <typename To, typename FromRep, typename FromPeriod, | ||||
|           FMT_ENABLE_IF(std::is_floating_point<FromRep>::value), | ||||
|           FMT_ENABLE_IF(std::is_floating_point<typename To::rep>::value)> | ||||
| To safe_duration_cast(std::chrono::duration<FromRep, FromPeriod> from, | ||||
|                       int& ec) { | ||||
|   using From = std::chrono::duration<FromRep, FromPeriod>; | ||||
|   ec = 0; | ||||
|   if (std::isnan(from.count())) { | ||||
|     // nan in, gives nan out. easy. | ||||
|     return To{std::numeric_limits<typename To::rep>::quiet_NaN()}; | ||||
|   } | ||||
|   // maybe we should also check if from is denormal, and decide what to do about | ||||
|   // it. | ||||
|  | ||||
|   // +-inf should be preserved. | ||||
|   if (std::isinf(from.count())) { | ||||
|     return To{from.count()}; | ||||
|   } | ||||
|  | ||||
|   // the basic idea is that we need to convert from count() in the from type | ||||
|   // to count() in the To type, by multiplying it with this: | ||||
|   struct Factor | ||||
|       : std::ratio_divide<typename From::period, typename To::period> {}; | ||||
|  | ||||
|   static_assert(Factor::num > 0, "num must be positive"); | ||||
|   static_assert(Factor::den > 0, "den must be positive"); | ||||
|  | ||||
|   // the conversion is like this: multiply from.count() with Factor::num | ||||
|   // /Factor::den and convert it to To::rep, all this without | ||||
|   // overflow/underflow. let's start by finding a suitable type that can hold | ||||
|   // both To, From and Factor::num | ||||
|   using IntermediateRep = | ||||
|       typename std::common_type<typename From::rep, typename To::rep, | ||||
|                                 decltype(Factor::num)>::type; | ||||
|  | ||||
|   // force conversion of From::rep -> IntermediateRep to be safe, | ||||
|   // even if it will never happen be narrowing in this context. | ||||
|   IntermediateRep count = | ||||
|       safe_float_conversion<IntermediateRep>(from.count(), ec); | ||||
|   if (ec) { | ||||
|     return {}; | ||||
|   } | ||||
|  | ||||
|   // multiply with Factor::num without overflow or underflow | ||||
|   if (Factor::num != 1) { | ||||
|     constexpr auto max1 = internal::max_value<IntermediateRep>() / | ||||
|                           static_cast<IntermediateRep>(Factor::num); | ||||
|     if (count > max1) { | ||||
|       ec = 1; | ||||
|       return {}; | ||||
|     } | ||||
|     constexpr auto min1 = std::numeric_limits<IntermediateRep>::lowest() / | ||||
|                           static_cast<IntermediateRep>(Factor::num); | ||||
|     if (count < min1) { | ||||
|       ec = 1; | ||||
|       return {}; | ||||
|     } | ||||
|     count *= static_cast<IntermediateRep>(Factor::num); | ||||
|   } | ||||
|  | ||||
|   // this can't go wrong, right? den>0 is checked earlier. | ||||
|   if (Factor::den != 1) { | ||||
|     using common_t = typename std::common_type<IntermediateRep, intmax_t>::type; | ||||
|     count /= static_cast<common_t>(Factor::den); | ||||
|   } | ||||
|  | ||||
|   // convert to the to type, safely | ||||
|   using ToRep = typename To::rep; | ||||
|  | ||||
|   const ToRep tocount = safe_float_conversion<ToRep>(count, ec); | ||||
|   if (ec) { | ||||
|     return {}; | ||||
|   } | ||||
|   return To{tocount}; | ||||
| } | ||||
| }  // namespace safe_duration_cast | ||||
| #endif | ||||
|  | ||||
| // Prevents expansion of a preceding token as a function-style macro. | ||||
| // Usage: f FMT_NOMACRO() | ||||
| @@ -403,7 +678,7 @@ inline bool isfinite(T value) { | ||||
|   return std::isfinite(value); | ||||
| } | ||||
|  | ||||
| // Convers value to int and checks that it's in the range [0, upper). | ||||
| // 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"); | ||||
| @@ -582,8 +857,8 @@ struct chrono_formatter { | ||||
|   void write(Rep value, int width) { | ||||
|     write_sign(); | ||||
|     if (isnan(value)) return write_nan(); | ||||
|     uint32_or_64_t<int> n = to_unsigned( | ||||
|         to_nonnegative_int(value, (std::numeric_limits<int>::max)())); | ||||
|     uint32_or_64_or_128_t<int> n = | ||||
|         to_unsigned(to_nonnegative_int(value, max_value<int>())); | ||||
|     int num_digits = internal::count_digits(n); | ||||
|     if (width > num_digits) out = std::fill_n(out, width - num_digits, '0'); | ||||
|     out = format_decimal<char_type>(out, n, num_digits); | ||||
| @@ -728,7 +1003,7 @@ struct formatter<std::chrono::duration<Rep, Period>, Char> { | ||||
|  | ||||
|   struct spec_handler { | ||||
|     formatter& f; | ||||
|     basic_parse_context<Char>& context; | ||||
|     basic_format_parse_context<Char>& context; | ||||
|     basic_string_view<Char> format_str; | ||||
|  | ||||
|     template <typename Id> FMT_CONSTEXPR arg_ref_type make_arg_ref(Id arg_id) { | ||||
| @@ -738,8 +1013,7 @@ struct formatter<std::chrono::duration<Rep, Period>, Char> { | ||||
|  | ||||
|     FMT_CONSTEXPR arg_ref_type make_arg_ref(basic_string_view<Char> arg_id) { | ||||
|       context.check_arg_id(arg_id); | ||||
|       const auto str_val = internal::string_view_metadata(format_str, arg_id); | ||||
|       return arg_ref_type(str_val); | ||||
|       return arg_ref_type(arg_id); | ||||
|     } | ||||
|  | ||||
|     FMT_CONSTEXPR arg_ref_type make_arg_ref(internal::auto_id) { | ||||
| @@ -750,7 +1024,7 @@ struct formatter<std::chrono::duration<Rep, Period>, Char> { | ||||
|     void on_fill(Char fill) { f.specs.fill[0] = fill; } | ||||
|     void on_align(align_t align) { f.specs.align = align; } | ||||
|     void on_width(unsigned width) { f.specs.width = width; } | ||||
|     void on_precision(unsigned precision) { f.precision = precision; } | ||||
|     void on_precision(unsigned _precision) { f.precision = _precision; } | ||||
|     void end_precision() {} | ||||
|  | ||||
|     template <typename Id> void on_dynamic_width(Id arg_id) { | ||||
| @@ -762,13 +1036,13 @@ struct formatter<std::chrono::duration<Rep, Period>, Char> { | ||||
|     } | ||||
|   }; | ||||
|  | ||||
|   using iterator = typename basic_parse_context<Char>::iterator; | ||||
|   using iterator = typename basic_format_parse_context<Char>::iterator; | ||||
|   struct parse_range { | ||||
|     iterator begin; | ||||
|     iterator end; | ||||
|   }; | ||||
|  | ||||
|   FMT_CONSTEXPR parse_range do_parse(basic_parse_context<Char>& ctx) { | ||||
|   FMT_CONSTEXPR parse_range do_parse(basic_format_parse_context<Char>& ctx) { | ||||
|     auto begin = ctx.begin(), end = ctx.end(); | ||||
|     if (begin == end || *begin == '}') return {begin, begin}; | ||||
|     spec_handler handler{*this, ctx, format_str}; | ||||
| @@ -789,7 +1063,7 @@ struct formatter<std::chrono::duration<Rep, Period>, Char> { | ||||
|  public: | ||||
|   formatter() : precision(-1) {} | ||||
|  | ||||
|   FMT_CONSTEXPR auto parse(basic_parse_context<Char>& ctx) | ||||
|   FMT_CONSTEXPR auto parse(basic_format_parse_context<Char>& ctx) | ||||
|       -> decltype(ctx.begin()) { | ||||
|     auto range = do_parse(ctx); | ||||
|     format_str = basic_string_view<Char>( | ||||
| @@ -806,10 +1080,10 @@ struct formatter<std::chrono::duration<Rep, Period>, Char> { | ||||
|     auto out = std::back_inserter(buf); | ||||
|     using range = internal::output_range<decltype(ctx.out()), Char>; | ||||
|     internal::basic_writer<range> w(range(ctx.out())); | ||||
|     internal::handle_dynamic_spec<internal::width_checker>( | ||||
|         specs.width, width_ref, ctx, format_str.begin()); | ||||
|     internal::handle_dynamic_spec<internal::width_checker>(specs.width, | ||||
|                                                            width_ref, ctx); | ||||
|     internal::handle_dynamic_spec<internal::precision_checker>( | ||||
|         precision, precision_ref, ctx, format_str.begin()); | ||||
|         precision, precision_ref, ctx); | ||||
|     if (begin == end || *begin == '}') { | ||||
|       out = internal::format_chrono_duration_value(out, d.count(), precision); | ||||
|       internal::format_chrono_duration_unit<Period>(out); | ||||
|   | ||||
| @@ -299,15 +299,15 @@ class text_style { | ||||
|     return static_cast<uint8_t>(ems) != 0; | ||||
|   } | ||||
|   FMT_CONSTEXPR internal::color_type get_foreground() const FMT_NOEXCEPT { | ||||
|     assert(has_foreground() && "no foreground specified for this style"); | ||||
|     FMT_ASSERT(has_foreground(), "no foreground specified for this style"); | ||||
|     return foreground_color; | ||||
|   } | ||||
|   FMT_CONSTEXPR internal::color_type get_background() const FMT_NOEXCEPT { | ||||
|     assert(has_background() && "no background specified for this style"); | ||||
|     FMT_ASSERT(has_background(), "no background specified for this style"); | ||||
|     return background_color; | ||||
|   } | ||||
|   FMT_CONSTEXPR emphasis get_emphasis() const FMT_NOEXCEPT { | ||||
|     assert(has_emphasis() && "no emphasis specified for this style"); | ||||
|     FMT_ASSERT(has_emphasis(), "no emphasis specified for this style"); | ||||
|     return ems; | ||||
|   } | ||||
|  | ||||
| @@ -470,58 +470,41 @@ inline void reset_color(basic_memory_buffer<Char>& buffer) FMT_NOEXCEPT { | ||||
| } | ||||
|  | ||||
| template <typename Char> | ||||
| std::basic_string<Char> vformat(const text_style& ts, | ||||
|                                 basic_string_view<Char> format_str, | ||||
|                                 basic_format_args<buffer_context<Char> > args) { | ||||
|   basic_memory_buffer<Char> buffer; | ||||
| void vformat_to(basic_memory_buffer<Char>& buf, const text_style& ts, | ||||
|                 basic_string_view<Char> format_str, | ||||
|                 basic_format_args<buffer_context<Char>> args) { | ||||
|   bool has_style = false; | ||||
|   if (ts.has_emphasis()) { | ||||
|     has_style = true; | ||||
|     ansi_color_escape<Char> escape = make_emphasis<Char>(ts.get_emphasis()); | ||||
|     buffer.append(escape.begin(), escape.end()); | ||||
|     auto emphasis = internal::make_emphasis<Char>(ts.get_emphasis()); | ||||
|     buf.append(emphasis.begin(), emphasis.end()); | ||||
|   } | ||||
|   if (ts.has_foreground()) { | ||||
|     has_style = true; | ||||
|     ansi_color_escape<Char> escape = | ||||
|         make_foreground_color<Char>(ts.get_foreground()); | ||||
|     buffer.append(escape.begin(), escape.end()); | ||||
|     auto foreground = | ||||
|         internal::make_foreground_color<Char>(ts.get_foreground()); | ||||
|     buf.append(foreground.begin(), foreground.end()); | ||||
|   } | ||||
|   if (ts.has_background()) { | ||||
|     has_style = true; | ||||
|     ansi_color_escape<Char> escape = | ||||
|         make_background_color<Char>(ts.get_background()); | ||||
|     buffer.append(escape.begin(), escape.end()); | ||||
|     auto background = | ||||
|         internal::make_background_color<Char>(ts.get_background()); | ||||
|     buf.append(background.begin(), background.end()); | ||||
|   } | ||||
|   internal::vformat_to(buffer, format_str, args); | ||||
|   vformat_to(buf, format_str, args); | ||||
|   if (has_style) { | ||||
|     reset_color<Char>(buffer); | ||||
|     internal::reset_color<Char>(buf); | ||||
|   } | ||||
|   return fmt::to_string(buffer); | ||||
| } | ||||
| }  // namespace internal | ||||
|  | ||||
| template <typename S, typename Char = char_t<S> > | ||||
| template <typename S, typename Char = char_t<S>> | ||||
| void vprint(std::FILE* f, const text_style& ts, const S& format, | ||||
|             basic_format_args<buffer_context<Char> > args) { | ||||
|   bool has_style = false; | ||||
|   if (ts.has_emphasis()) { | ||||
|     has_style = true; | ||||
|     internal::fputs<Char>(internal::make_emphasis<Char>(ts.get_emphasis()), f); | ||||
|   } | ||||
|   if (ts.has_foreground()) { | ||||
|     has_style = true; | ||||
|     internal::fputs<Char>( | ||||
|         internal::make_foreground_color<Char>(ts.get_foreground()), f); | ||||
|   } | ||||
|   if (ts.has_background()) { | ||||
|     has_style = true; | ||||
|     internal::fputs<Char>( | ||||
|         internal::make_background_color<Char>(ts.get_background()), f); | ||||
|   } | ||||
|   vprint(f, format, args); | ||||
|   if (has_style) { | ||||
|     internal::reset_color<Char>(f); | ||||
|   } | ||||
|             basic_format_args<buffer_context<Char>> args) { | ||||
|   basic_memory_buffer<Char> buf; | ||||
|   internal::vformat_to(buf, ts, to_string_view(format), args); | ||||
|   buf.push_back(Char(0)); | ||||
|   internal::fputs(buf.data(), f); | ||||
| } | ||||
|  | ||||
| /** | ||||
| @@ -536,7 +519,7 @@ template <typename S, typename... Args, | ||||
| void print(std::FILE* f, const text_style& ts, const S& format_str, | ||||
|            const Args&... args) { | ||||
|   internal::check_format_string<Args...>(format_str); | ||||
|   using context = buffer_context<char_t<S> >; | ||||
|   using context = buffer_context<char_t<S>>; | ||||
|   format_arg_store<context, Args...> as{args...}; | ||||
|   vprint(f, ts, format_str, basic_format_args<context>(as)); | ||||
| } | ||||
| @@ -554,11 +537,13 @@ void print(const text_style& ts, const S& format_str, const Args&... args) { | ||||
|   return print(stdout, ts, format_str, args...); | ||||
| } | ||||
|  | ||||
| template <typename S, typename Char = char_t<S> > | ||||
| template <typename S, typename Char = char_t<S>> | ||||
| inline std::basic_string<Char> vformat( | ||||
|     const text_style& ts, const S& format_str, | ||||
|     basic_format_args<buffer_context<Char> > args) { | ||||
|   return internal::vformat(ts, to_string_view(format_str), args); | ||||
|     basic_format_args<buffer_context<Char>> args) { | ||||
|   basic_memory_buffer<Char> buf; | ||||
|   internal::vformat_to(buf, ts, to_string_view(format_str), args); | ||||
|   return fmt::to_string(buf); | ||||
| } | ||||
|  | ||||
| /** | ||||
| @@ -573,11 +558,11 @@ inline std::basic_string<Char> vformat( | ||||
|                                       "The answer is {}", 42); | ||||
|   \endrst | ||||
| */ | ||||
| template <typename S, typename... Args, typename Char = char_t<S> > | ||||
| template <typename S, typename... Args, typename Char = char_t<S>> | ||||
| inline std::basic_string<Char> format(const text_style& ts, const S& format_str, | ||||
|                                       const Args&... args) { | ||||
|   return internal::vformat(ts, to_string_view(format_str), | ||||
|                            {internal::make_args_checked(format_str, args...)}); | ||||
|   return vformat(ts, to_string_view(format_str), | ||||
|                  {internal::make_args_checked<Args...>(format_str, args...)}); | ||||
| } | ||||
|  | ||||
| FMT_END_NAMESPACE | ||||
|   | ||||
| @@ -14,250 +14,44 @@ | ||||
| FMT_BEGIN_NAMESPACE | ||||
| namespace internal { | ||||
|  | ||||
| // Part of a compiled format string. It can be either literal text or a | ||||
| // replacement field. | ||||
| template <typename Char> struct format_part { | ||||
|  public: | ||||
|   struct named_argument_id { | ||||
|     FMT_CONSTEXPR named_argument_id(internal::string_view_metadata id) | ||||
|         : id(id) {} | ||||
|     internal::string_view_metadata id; | ||||
|   enum class kind { arg_index, arg_name, text, replacement }; | ||||
|  | ||||
|   struct replacement { | ||||
|     arg_ref<Char> arg_id; | ||||
|     dynamic_format_specs<Char> specs; | ||||
|   }; | ||||
|  | ||||
|   struct argument_id { | ||||
|     FMT_CONSTEXPR argument_id() : argument_id(0u) {} | ||||
|  | ||||
|     FMT_CONSTEXPR argument_id(unsigned id) | ||||
|         : which(which_arg_id::index), val(id) {} | ||||
|  | ||||
|     FMT_CONSTEXPR argument_id(internal::string_view_metadata id) | ||||
|         : which(which_arg_id::named_index), val(id) {} | ||||
|  | ||||
|     enum class which_arg_id { index, named_index }; | ||||
|  | ||||
|     which_arg_id which; | ||||
|  | ||||
|     union value { | ||||
|       FMT_CONSTEXPR value() : index(0u) {} | ||||
|       FMT_CONSTEXPR value(unsigned id) : index(id) {} | ||||
|       FMT_CONSTEXPR value(internal::string_view_metadata id) | ||||
|           : named_index(id) {} | ||||
|  | ||||
|       unsigned index; | ||||
|       internal::string_view_metadata named_index; | ||||
|     } val; | ||||
|   }; | ||||
|  | ||||
|   struct specification { | ||||
|     FMT_CONSTEXPR specification() : arg_id(0u) {} | ||||
|     FMT_CONSTEXPR specification(unsigned id) : arg_id(id) {} | ||||
|  | ||||
|     FMT_CONSTEXPR specification(internal::string_view_metadata id) | ||||
|         : arg_id(id) {} | ||||
|  | ||||
|     argument_id arg_id; | ||||
|     internal::dynamic_format_specs<Char> parsed_specs; | ||||
|   }; | ||||
|  | ||||
|   FMT_CONSTEXPR format_part() | ||||
|       : which(kind::argument_id), end_of_argument_id(0u), val(0u) {} | ||||
|  | ||||
|   FMT_CONSTEXPR format_part(internal::string_view_metadata text) | ||||
|       : which(kind::text), end_of_argument_id(0u), val(text) {} | ||||
|  | ||||
|   FMT_CONSTEXPR format_part(unsigned id) | ||||
|       : which(kind::argument_id), end_of_argument_id(0u), val(id) {} | ||||
|  | ||||
|   FMT_CONSTEXPR format_part(named_argument_id arg_id) | ||||
|       : which(kind::named_argument_id), end_of_argument_id(0u), val(arg_id) {} | ||||
|  | ||||
|   FMT_CONSTEXPR format_part(specification spec) | ||||
|       : which(kind::specification), end_of_argument_id(0u), val(spec) {} | ||||
|  | ||||
|   enum class kind { argument_id, named_argument_id, text, specification }; | ||||
|  | ||||
|   kind which; | ||||
|   std::size_t end_of_argument_id; | ||||
|   kind part_kind; | ||||
|   union value { | ||||
|     FMT_CONSTEXPR value() : arg_id(0u) {} | ||||
|     FMT_CONSTEXPR value(unsigned id) : arg_id(id) {} | ||||
|     FMT_CONSTEXPR value(named_argument_id named_id) | ||||
|         : named_arg_id(named_id.id) {} | ||||
|     FMT_CONSTEXPR value(internal::string_view_metadata t) : text(t) {} | ||||
|     FMT_CONSTEXPR value(specification s) : spec(s) {} | ||||
|     unsigned arg_id; | ||||
|     internal::string_view_metadata named_arg_id; | ||||
|     internal::string_view_metadata text; | ||||
|     specification spec; | ||||
|     unsigned arg_index; | ||||
|     basic_string_view<Char> str; | ||||
|     replacement repl; | ||||
|  | ||||
|     FMT_CONSTEXPR value(unsigned index = 0) : arg_index(index) {} | ||||
|     FMT_CONSTEXPR value(basic_string_view<Char> s) : str(s) {} | ||||
|     FMT_CONSTEXPR value(replacement r) : repl(r) {} | ||||
|   } val; | ||||
| }; | ||||
|   // Position past the end of the argument id. | ||||
|   const Char* arg_id_end = nullptr; | ||||
|  | ||||
| template <typename Char, typename PartsContainer> | ||||
| class format_preparation_handler : public internal::error_handler { | ||||
|  private: | ||||
|   using part = format_part<Char>; | ||||
|   FMT_CONSTEXPR format_part(kind k = kind::arg_index, value v = {}) | ||||
|       : part_kind(k), val(v) {} | ||||
|  | ||||
|  public: | ||||
|   using iterator = typename basic_string_view<Char>::iterator; | ||||
|  | ||||
|   FMT_CONSTEXPR format_preparation_handler(basic_string_view<Char> format, | ||||
|                                            PartsContainer& parts) | ||||
|       : parts_(parts), format_(format), parse_context_(format) {} | ||||
|  | ||||
|   FMT_CONSTEXPR void on_text(const Char* begin, const Char* end) { | ||||
|     if (begin == end) return; | ||||
|     const auto offset = begin - format_.data(); | ||||
|     const auto size = end - begin; | ||||
|     parts_.push_back(part(string_view_metadata(offset, size))); | ||||
|   static FMT_CONSTEXPR format_part make_arg_index(unsigned index) { | ||||
|     return format_part(kind::arg_index, index); | ||||
|   } | ||||
|  | ||||
|   FMT_CONSTEXPR void on_arg_id() { | ||||
|     parts_.push_back(part(parse_context_.next_arg_id())); | ||||
|   static FMT_CONSTEXPR format_part make_arg_name(basic_string_view<Char> name) { | ||||
|     return format_part(kind::arg_name, name); | ||||
|   } | ||||
|  | ||||
|   FMT_CONSTEXPR void on_arg_id(unsigned id) { | ||||
|     parse_context_.check_arg_id(id); | ||||
|     parts_.push_back(part(id)); | ||||
|   static FMT_CONSTEXPR format_part make_text(basic_string_view<Char> text) { | ||||
|     return format_part(kind::text, text); | ||||
|   } | ||||
|  | ||||
|   FMT_CONSTEXPR void on_arg_id(basic_string_view<Char> id) { | ||||
|     const auto view = string_view_metadata(format_, id); | ||||
|     const auto arg_id = typename part::named_argument_id(view); | ||||
|     parts_.push_back(part(arg_id)); | ||||
|   static FMT_CONSTEXPR format_part make_replacement(replacement repl) { | ||||
|     return format_part(kind::replacement, repl); | ||||
|   } | ||||
|  | ||||
|   FMT_CONSTEXPR void on_replacement_field(const Char* ptr) { | ||||
|     parts_.back().end_of_argument_id = ptr - format_.begin(); | ||||
|   } | ||||
|  | ||||
|   FMT_CONSTEXPR const Char* on_format_specs(const Char* begin, | ||||
|                                             const Char* end) { | ||||
|     const auto specs_offset = to_unsigned(begin - format_.begin()); | ||||
|  | ||||
|     using parse_context = basic_parse_context<Char>; | ||||
|     internal::dynamic_format_specs<Char> parsed_specs; | ||||
|     dynamic_specs_handler<parse_context> handler(parsed_specs, parse_context_); | ||||
|     begin = parse_format_specs(begin, end, handler); | ||||
|  | ||||
|     if (*begin != '}') on_error("missing '}' in format string"); | ||||
|  | ||||
|     auto& last_part = parts_.back(); | ||||
|     auto specs = last_part.which == part::kind::argument_id | ||||
|                      ? typename part::specification(last_part.val.arg_id) | ||||
|                      : typename part::specification(last_part.val.named_arg_id); | ||||
|     specs.parsed_specs = parsed_specs; | ||||
|     last_part = part(specs); | ||||
|     last_part.end_of_argument_id = specs_offset; | ||||
|     return begin; | ||||
|   } | ||||
|  | ||||
|  private: | ||||
|   PartsContainer& parts_; | ||||
|   basic_string_view<Char> format_; | ||||
|   basic_parse_context<Char> parse_context_; | ||||
| }; | ||||
|  | ||||
| template <typename Format, typename PreparedPartsProvider, typename... Args> | ||||
| class prepared_format { | ||||
|  public: | ||||
|   using char_type = char_t<Format>; | ||||
|   using format_part_t = format_part<char_type>; | ||||
|  | ||||
|   constexpr prepared_format(Format f) | ||||
|       : format_(std::move(f)), parts_provider_(to_string_view(format_)) {} | ||||
|  | ||||
|   prepared_format() = delete; | ||||
|  | ||||
|   using context = buffer_context<char_type>; | ||||
|  | ||||
|   template <typename Range, typename Context> | ||||
|   auto vformat_to(Range out, basic_format_args<Context> args) const -> | ||||
|       typename Context::iterator { | ||||
|     const auto format_view = internal::to_string_view(format_); | ||||
|     basic_parse_context<char_type> parse_ctx(format_view); | ||||
|     Context ctx(out.begin(), args); | ||||
|  | ||||
|     const auto& parts = parts_provider_.parts(); | ||||
|     for (auto part_it = parts.begin(); part_it != parts.end(); ++part_it) { | ||||
|       const auto& part = *part_it; | ||||
|       const auto& value = part.val; | ||||
|  | ||||
|       switch (part.which) { | ||||
|       case format_part_t::kind::text: { | ||||
|         const auto text = value.text.to_view(format_view.data()); | ||||
|         auto output = ctx.out(); | ||||
|         auto&& it = internal::reserve(output, text.size()); | ||||
|         it = std::copy_n(text.begin(), text.size(), it); | ||||
|         ctx.advance_to(output); | ||||
|       } break; | ||||
|  | ||||
|       case format_part_t::kind::argument_id: { | ||||
|         advance_parse_context_to_specification(parse_ctx, part); | ||||
|         format_arg<Range>(parse_ctx, ctx, value.arg_id); | ||||
|       } break; | ||||
|  | ||||
|       case format_part_t::kind::named_argument_id: { | ||||
|         advance_parse_context_to_specification(parse_ctx, part); | ||||
|         const auto named_arg_id = | ||||
|             value.named_arg_id.to_view(format_view.data()); | ||||
|         format_arg<Range>(parse_ctx, ctx, named_arg_id); | ||||
|       } break; | ||||
|       case format_part_t::kind::specification: { | ||||
|         const auto& arg_id_value = value.spec.arg_id.val; | ||||
|         const auto arg = value.spec.arg_id.which == | ||||
|                                  format_part_t::argument_id::which_arg_id::index | ||||
|                              ? ctx.arg(arg_id_value.index) | ||||
|                              : ctx.arg(arg_id_value.named_index.to_view( | ||||
|                                    to_string_view(format_).data())); | ||||
|  | ||||
|         auto specs = value.spec.parsed_specs; | ||||
|  | ||||
|         handle_dynamic_spec<internal::width_checker>( | ||||
|             specs.width, specs.width_ref, ctx, format_view.begin()); | ||||
|         handle_dynamic_spec<internal::precision_checker>( | ||||
|             specs.precision, specs.precision_ref, ctx, format_view.begin()); | ||||
|  | ||||
|         check_prepared_specs(specs, arg.type()); | ||||
|         advance_parse_context_to_specification(parse_ctx, part); | ||||
|         ctx.advance_to( | ||||
|             visit_format_arg(arg_formatter<Range>(ctx, nullptr, &specs), arg)); | ||||
|       } break; | ||||
|       } | ||||
|     } | ||||
|  | ||||
|     return ctx.out(); | ||||
|   } | ||||
|  | ||||
|  private: | ||||
|   void advance_parse_context_to_specification( | ||||
|       basic_parse_context<char_type>& parse_ctx, | ||||
|       const format_part_t& part) const { | ||||
|     const auto view = to_string_view(format_); | ||||
|     const auto specification_begin = view.data() + part.end_of_argument_id; | ||||
|     advance_to(parse_ctx, specification_begin); | ||||
|   } | ||||
|  | ||||
|   template <typename Range, typename Context, typename Id> | ||||
|   void format_arg(basic_parse_context<char_type>& parse_ctx, Context& ctx, | ||||
|                   Id arg_id) const { | ||||
|     parse_ctx.check_arg_id(arg_id); | ||||
|     const auto stopped_at = | ||||
|         visit_format_arg(arg_formatter<Range>(ctx), ctx.arg(arg_id)); | ||||
|     ctx.advance_to(stopped_at); | ||||
|   } | ||||
|  | ||||
|   template <typename Char> | ||||
|   void check_prepared_specs(const basic_format_specs<Char>& specs, | ||||
|                             internal::type arg_type) const { | ||||
|     internal::error_handler h; | ||||
|     numeric_specs_checker<internal::error_handler> checker(h, arg_type); | ||||
|     if (specs.align == align::numeric) checker.require_numeric_argument(); | ||||
|     if (specs.sign != sign::none) checker.check_sign(); | ||||
|     if (specs.alt) checker.require_numeric_argument(); | ||||
|     if (specs.precision >= 0) checker.check_precision(); | ||||
|   } | ||||
|  | ||||
|  private: | ||||
|   Format format_; | ||||
|   PreparedPartsProvider parts_provider_; | ||||
| }; | ||||
|  | ||||
| template <typename Char> struct part_counter { | ||||
| @@ -276,13 +70,13 @@ template <typename Char> struct part_counter { | ||||
|   FMT_CONSTEXPR const Char* on_format_specs(const Char* begin, | ||||
|                                             const Char* end) { | ||||
|     // Find the matching brace. | ||||
|     unsigned braces_counter = 0; | ||||
|     unsigned brace_counter = 0; | ||||
|     for (; begin != end; ++begin) { | ||||
|       if (*begin == '{') { | ||||
|         ++braces_counter; | ||||
|         ++brace_counter; | ||||
|       } else if (*begin == '}') { | ||||
|         if (braces_counter == 0u) break; | ||||
|         --braces_counter; | ||||
|         if (brace_counter == 0u) break; | ||||
|         --brace_counter; | ||||
|       } | ||||
|     } | ||||
|     return begin; | ||||
| @@ -291,156 +85,486 @@ template <typename Char> struct part_counter { | ||||
|   FMT_CONSTEXPR void on_error(const char*) {} | ||||
| }; | ||||
|  | ||||
| template <typename Format> class compiletime_prepared_parts_type_provider { | ||||
|  private: | ||||
|   using char_type = char_t<Format>; | ||||
| // Counts the number of parts in a format string. | ||||
| template <typename Char> | ||||
| FMT_CONSTEXPR unsigned count_parts(basic_string_view<Char> format_str) { | ||||
|   part_counter<Char> counter; | ||||
|   parse_format_string<true>(format_str, counter); | ||||
|   return counter.num_parts; | ||||
| } | ||||
|  | ||||
|   static FMT_CONSTEXPR unsigned count_parts() { | ||||
|     FMT_CONSTEXPR_DECL const auto text = to_string_view(Format{}); | ||||
|     part_counter<char_type> counter; | ||||
|     internal::parse_format_string</*IS_CONSTEXPR=*/true>(text, counter); | ||||
|     return counter.num_parts; | ||||
| template <typename Char, typename PartHandler> | ||||
| class format_string_compiler : public error_handler { | ||||
|  private: | ||||
|   using part = format_part<Char>; | ||||
|  | ||||
|   PartHandler handler_; | ||||
|   part part_; | ||||
|   basic_string_view<Char> format_str_; | ||||
|   basic_format_parse_context<Char> parse_context_; | ||||
|  | ||||
|  public: | ||||
|   FMT_CONSTEXPR format_string_compiler(basic_string_view<Char> format_str, | ||||
|                                        PartHandler handler) | ||||
|       : handler_(handler), | ||||
|         format_str_(format_str), | ||||
|         parse_context_(format_str) {} | ||||
|  | ||||
|   FMT_CONSTEXPR void on_text(const Char* begin, const Char* end) { | ||||
|     if (begin != end) | ||||
|       handler_(part::make_text({begin, to_unsigned(end - begin)})); | ||||
|   } | ||||
|  | ||||
| // Workaround for old compilers. Compiletime parts preparation will not be | ||||
| // performed with them anyway. | ||||
|   FMT_CONSTEXPR void on_arg_id() { | ||||
|     part_ = part::make_arg_index(parse_context_.next_arg_id()); | ||||
|   } | ||||
|  | ||||
|   FMT_CONSTEXPR void on_arg_id(unsigned id) { | ||||
|     parse_context_.check_arg_id(id); | ||||
|     part_ = part::make_arg_index(id); | ||||
|   } | ||||
|  | ||||
|   FMT_CONSTEXPR void on_arg_id(basic_string_view<Char> id) { | ||||
|     part_ = part::make_arg_name(id); | ||||
|   } | ||||
|  | ||||
|   FMT_CONSTEXPR void on_replacement_field(const Char* ptr) { | ||||
|     part_.arg_id_end = ptr; | ||||
|     handler_(part_); | ||||
|   } | ||||
|  | ||||
|   FMT_CONSTEXPR const Char* on_format_specs(const Char* begin, | ||||
|                                             const Char* end) { | ||||
|     auto repl = typename part::replacement(); | ||||
|     dynamic_specs_handler<basic_format_parse_context<Char>> handler( | ||||
|         repl.specs, parse_context_); | ||||
|     auto it = parse_format_specs(begin, end, handler); | ||||
|     if (*it != '}') on_error("missing '}' in format string"); | ||||
|     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); | ||||
|     return it; | ||||
|   } | ||||
| }; | ||||
|  | ||||
| // Compiles a format string and invokes handler(part) for each parsed part. | ||||
| template <bool IS_CONSTEXPR, typename Char, typename PartHandler> | ||||
| FMT_CONSTEXPR void compile_format_string(basic_string_view<Char> format_str, | ||||
|                                          PartHandler handler) { | ||||
|   parse_format_string<IS_CONSTEXPR>( | ||||
|       format_str, | ||||
|       format_string_compiler<Char, PartHandler>(format_str, handler)); | ||||
| } | ||||
|  | ||||
| template <typename Range, typename Context, typename Id> | ||||
| void format_arg( | ||||
|     basic_format_parse_context<typename Range::value_type>& parse_ctx, | ||||
|     Context& ctx, Id arg_id) { | ||||
|   ctx.advance_to( | ||||
|       visit_format_arg(arg_formatter<Range>(ctx, &parse_ctx), ctx.arg(arg_id))); | ||||
| } | ||||
|  | ||||
| // vformat_to is defined in a subnamespace to prevent ADL. | ||||
| namespace cf { | ||||
| template <typename Context, typename Range, typename CompiledFormat> | ||||
| auto vformat_to(Range out, CompiledFormat& cf, basic_format_args<Context> args) | ||||
|     -> typename Context::iterator { | ||||
|   using char_type = typename Context::char_type; | ||||
|   basic_format_parse_context<char_type> parse_ctx( | ||||
|       to_string_view(cf.format_str_)); | ||||
|   Context ctx(out.begin(), args); | ||||
|  | ||||
|   const auto& parts = cf.parts(); | ||||
|   for (auto part_it = std::begin(parts); part_it != std::end(parts); | ||||
|        ++part_it) { | ||||
|     const auto& part = *part_it; | ||||
|     const auto& value = part.val; | ||||
|  | ||||
|     using format_part_t = format_part<char_type>; | ||||
|     switch (part.part_kind) { | ||||
|     case format_part_t::kind::text: { | ||||
|       const auto text = value.str; | ||||
|       auto output = ctx.out(); | ||||
|       auto&& it = reserve(output, text.size()); | ||||
|       it = std::copy_n(text.begin(), text.size(), it); | ||||
|       ctx.advance_to(output); | ||||
|       break; | ||||
|     } | ||||
|  | ||||
|     case format_part_t::kind::arg_index: | ||||
|       advance_to(parse_ctx, part.arg_id_end); | ||||
|       internal::format_arg<Range>(parse_ctx, ctx, value.arg_index); | ||||
|       break; | ||||
|  | ||||
|     case format_part_t::kind::arg_name: | ||||
|       advance_to(parse_ctx, part.arg_id_end); | ||||
|       internal::format_arg<Range>(parse_ctx, ctx, value.str); | ||||
|       break; | ||||
|  | ||||
|     case format_part_t::kind::replacement: { | ||||
|       const auto& arg_id_value = value.repl.arg_id.val; | ||||
|       const auto arg = value.repl.arg_id.kind == arg_id_kind::index | ||||
|                            ? ctx.arg(arg_id_value.index) | ||||
|                            : ctx.arg(arg_id_value.name); | ||||
|  | ||||
|       auto specs = value.repl.specs; | ||||
|  | ||||
|       handle_dynamic_spec<width_checker>(specs.width, specs.width_ref, ctx); | ||||
|       handle_dynamic_spec<precision_checker>(specs.precision, | ||||
|                                              specs.precision_ref, ctx); | ||||
|  | ||||
|       error_handler h; | ||||
|       numeric_specs_checker<error_handler> checker(h, arg.type()); | ||||
|       if (specs.align == align::numeric) checker.require_numeric_argument(); | ||||
|       if (specs.sign != sign::none) checker.check_sign(); | ||||
|       if (specs.alt) checker.require_numeric_argument(); | ||||
|       if (specs.precision >= 0) checker.check_precision(); | ||||
|  | ||||
|       advance_to(parse_ctx, part.arg_id_end); | ||||
|       ctx.advance_to( | ||||
|           visit_format_arg(arg_formatter<Range>(ctx, nullptr, &specs), arg)); | ||||
|       break; | ||||
|     } | ||||
|     } | ||||
|   } | ||||
|   return ctx.out(); | ||||
| } | ||||
| }  // namespace cf | ||||
|  | ||||
| struct basic_compiled_format {}; | ||||
|  | ||||
| template <typename S, typename = void> | ||||
| struct compiled_format_base : basic_compiled_format { | ||||
|   using char_type = char_t<S>; | ||||
|   using parts_container = std::vector<internal::format_part<char_type>>; | ||||
|  | ||||
|   parts_container compiled_parts; | ||||
|  | ||||
|   explicit compiled_format_base(basic_string_view<char_type> format_str) { | ||||
|     compile_format_string<false>(format_str, | ||||
|                                  [this](const format_part<char_type>& part) { | ||||
|                                    compiled_parts.push_back(part); | ||||
|                                  }); | ||||
|   } | ||||
|  | ||||
|   const parts_container& parts() const { return compiled_parts; } | ||||
| }; | ||||
|  | ||||
| template <typename Char, unsigned N> struct format_part_array { | ||||
|   format_part<Char> data[N] = {}; | ||||
|   FMT_CONSTEXPR format_part_array() = default; | ||||
| }; | ||||
|  | ||||
| template <typename Char, unsigned N> | ||||
| FMT_CONSTEXPR format_part_array<Char, N> compile_to_parts( | ||||
|     basic_string_view<Char> format_str) { | ||||
|   format_part_array<Char, N> parts; | ||||
|   unsigned counter = 0; | ||||
|   // This is not a lambda for compatibility with older compilers. | ||||
|   struct { | ||||
|     format_part<Char>* parts; | ||||
|     unsigned* counter; | ||||
|     FMT_CONSTEXPR void operator()(const format_part<Char>& part) { | ||||
|       parts[(*counter)++] = part; | ||||
|     } | ||||
|   } collector{parts.data, &counter}; | ||||
|   compile_format_string<true>(format_str, collector); | ||||
|   if (counter < N) { | ||||
|     parts.data[counter] = | ||||
|         format_part<Char>::make_text(basic_string_view<Char>()); | ||||
|   } | ||||
|   return parts; | ||||
| } | ||||
|  | ||||
| template <typename T> constexpr const T& constexpr_max(const T& a, const T& b) { | ||||
|   return (a < b) ? b : a; | ||||
| } | ||||
|  | ||||
| template <typename S> | ||||
| struct compiled_format_base<S, enable_if_t<is_compile_string<S>::value>> | ||||
|     : basic_compiled_format { | ||||
|   using char_type = char_t<S>; | ||||
|  | ||||
|   FMT_CONSTEXPR explicit compiled_format_base(basic_string_view<char_type>) {} | ||||
|  | ||||
| // Workaround for old compilers. Format string compilation will not be | ||||
| // performed there anyway. | ||||
| #if FMT_USE_CONSTEXPR | ||||
|   static FMT_CONSTEXPR_DECL const unsigned number_of_format_parts = | ||||
|       compiletime_prepared_parts_type_provider::count_parts(); | ||||
|   static FMT_CONSTEXPR_DECL const unsigned num_format_parts = | ||||
|       constexpr_max(count_parts(to_string_view(S())), 1u); | ||||
| #else | ||||
|   static const unsigned number_of_format_parts = 0u; | ||||
|   static const unsigned num_format_parts = 1; | ||||
| #endif | ||||
|  | ||||
|  public: | ||||
|   template <unsigned N> struct format_parts_array { | ||||
|     using value_type = format_part<char_type>; | ||||
|   using parts_container = format_part<char_type>[num_format_parts]; | ||||
|  | ||||
|     FMT_CONSTEXPR format_parts_array() : arr{} {} | ||||
|  | ||||
|     FMT_CONSTEXPR value_type& operator[](unsigned ind) { return arr[ind]; } | ||||
|  | ||||
|     FMT_CONSTEXPR const value_type* begin() const { return arr; } | ||||
|     FMT_CONSTEXPR const value_type* end() const { return begin() + N; } | ||||
|  | ||||
|    private: | ||||
|     value_type arr[N]; | ||||
|   }; | ||||
|  | ||||
|   struct empty { | ||||
|     // Parts preparator will search for it | ||||
|     using value_type = format_part<char_type>; | ||||
|   }; | ||||
|  | ||||
|   using type = conditional_t<number_of_format_parts != 0, | ||||
|                              format_parts_array<number_of_format_parts>, empty>; | ||||
| }; | ||||
|  | ||||
| template <typename Parts> class compiletime_prepared_parts_collector { | ||||
|  private: | ||||
|   using format_part = typename Parts::value_type; | ||||
|  | ||||
|  public: | ||||
|   FMT_CONSTEXPR explicit compiletime_prepared_parts_collector(Parts& parts) | ||||
|       : parts_{parts}, counter_{0u} {} | ||||
|  | ||||
|   FMT_CONSTEXPR void push_back(format_part part) { parts_[counter_++] = part; } | ||||
|  | ||||
|   FMT_CONSTEXPR format_part& back() { return parts_[counter_ - 1]; } | ||||
|  | ||||
|  private: | ||||
|   Parts& parts_; | ||||
|   unsigned counter_; | ||||
| }; | ||||
|  | ||||
| template <typename PartsContainer, typename Char> | ||||
| FMT_CONSTEXPR PartsContainer prepare_parts(basic_string_view<Char> format) { | ||||
|   PartsContainer parts; | ||||
|   internal::parse_format_string</*IS_CONSTEXPR=*/false>( | ||||
|       format, format_preparation_handler<Char, PartsContainer>(format, parts)); | ||||
|   return parts; | ||||
| } | ||||
|  | ||||
| template <typename PartsContainer, typename Char> | ||||
| FMT_CONSTEXPR PartsContainer | ||||
| prepare_compiletime_parts(basic_string_view<Char> format) { | ||||
|   using collector = compiletime_prepared_parts_collector<PartsContainer>; | ||||
|  | ||||
|   PartsContainer parts; | ||||
|   collector c(parts); | ||||
|   internal::parse_format_string</*IS_CONSTEXPR=*/true>( | ||||
|       format, format_preparation_handler<Char, collector>(format, c)); | ||||
|   return parts; | ||||
| } | ||||
|  | ||||
| template <typename PartsContainer> class runtime_parts_provider { | ||||
|  public: | ||||
|   runtime_parts_provider() = delete; | ||||
|   template <typename Char> | ||||
|   runtime_parts_provider(basic_string_view<Char> format) | ||||
|       : parts_(prepare_parts<PartsContainer>(format)) {} | ||||
|  | ||||
|   const PartsContainer& parts() const { return parts_; } | ||||
|  | ||||
|  private: | ||||
|   PartsContainer parts_; | ||||
| }; | ||||
|  | ||||
| template <typename Format, typename PartsContainer> | ||||
| struct compiletime_parts_provider { | ||||
|   compiletime_parts_provider() = delete; | ||||
|   template <typename Char> | ||||
|   FMT_CONSTEXPR compiletime_parts_provider(basic_string_view<Char>) {} | ||||
|  | ||||
|   const PartsContainer& parts() const { | ||||
|     static FMT_CONSTEXPR_DECL const PartsContainer prepared_parts = | ||||
|         prepare_compiletime_parts<PartsContainer>( | ||||
|             internal::to_string_view(Format{})); | ||||
|  | ||||
|     return prepared_parts; | ||||
|   const parts_container& parts() const { | ||||
|     static FMT_CONSTEXPR_DECL const auto compiled_parts = | ||||
|         compile_to_parts<char_type, num_format_parts>( | ||||
|             internal::to_string_view(S())); | ||||
|     return compiled_parts.data; | ||||
|   } | ||||
| }; | ||||
|  | ||||
| template <typename S, typename... Args> | ||||
| class compiled_format : private compiled_format_base<S> { | ||||
|  public: | ||||
|   using typename compiled_format_base<S>::char_type; | ||||
|  | ||||
|  private: | ||||
|   basic_string_view<char_type> format_str_; | ||||
|  | ||||
|   template <typename Context, typename Range, typename CompiledFormat> | ||||
|   friend auto cf::vformat_to(Range out, CompiledFormat& cf, | ||||
|                              basic_format_args<Context> args) -> | ||||
|       typename Context::iterator; | ||||
|  | ||||
|  public: | ||||
|   compiled_format() = delete; | ||||
|   explicit constexpr compiled_format(basic_string_view<char_type> format_str) | ||||
|       : compiled_format_base<S>(format_str), format_str_(format_str) {} | ||||
| }; | ||||
|  | ||||
| #ifdef __cpp_if_constexpr | ||||
| template <typename... Args> struct type_list {}; | ||||
|  | ||||
| // Returns a reference to the argument at index N from [first, rest...]. | ||||
| template <int N, typename T, typename... Args> | ||||
| constexpr const auto& get(const T& first, const Args&... rest) { | ||||
|   static_assert(N < 1 + sizeof...(Args), "index is out of bounds"); | ||||
|   if constexpr (N == 0) | ||||
|     return first; | ||||
|   else | ||||
|     return get<N - 1>(rest...); | ||||
| } | ||||
|  | ||||
| template <int N, typename> struct get_type_impl; | ||||
|  | ||||
| template <int N, typename... Args> struct get_type_impl<N, type_list<Args...>> { | ||||
|   using type = remove_cvref_t<decltype(get<N>(std::declval<Args>()...))>; | ||||
| }; | ||||
|  | ||||
| template <int N, typename T> | ||||
| using get_type = typename get_type_impl<N, T>::type; | ||||
|  | ||||
| template <typename Char> struct text { | ||||
|   basic_string_view<Char> data; | ||||
|   using char_type = Char; | ||||
|  | ||||
|   template <typename OutputIt, typename... Args> | ||||
|   OutputIt format(OutputIt out, const Args&...) const { | ||||
|     // TODO: reserve | ||||
|     return copy_str<Char>(data.begin(), data.end(), out); | ||||
|   } | ||||
| }; | ||||
|  | ||||
| template <typename Char> | ||||
| constexpr text<Char> make_text(basic_string_view<Char> s, size_t pos, | ||||
|                                size_t size) { | ||||
|   return {{&s[pos], size}}; | ||||
| } | ||||
|  | ||||
| template <typename Char, typename OutputIt, typename T, | ||||
|           std::enable_if_t<std::is_integral_v<T>, int> = 0> | ||||
| OutputIt format_default(OutputIt out, T value) { | ||||
|   // TODO: reserve | ||||
|   format_int fi(value); | ||||
|   return std::copy(fi.data(), fi.data() + fi.size(), out); | ||||
| } | ||||
|  | ||||
| template <typename Char, typename OutputIt> | ||||
| OutputIt format_default(OutputIt out, double value) { | ||||
|   writer w(out); | ||||
|   w.write(value); | ||||
|   return w.out(); | ||||
| } | ||||
|  | ||||
| template <typename Char, typename OutputIt> | ||||
| OutputIt format_default(OutputIt out, Char value) { | ||||
|   *out++ = value; | ||||
|   return out; | ||||
| } | ||||
|  | ||||
| template <typename Char, typename OutputIt> | ||||
| OutputIt format_default(OutputIt out, const Char* value) { | ||||
|   auto length = std::char_traits<Char>::length(value); | ||||
|   return copy_str<Char>(value, value + length, out); | ||||
| } | ||||
|  | ||||
| // A replacement field that refers to argument N. | ||||
| 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 format_default<Char>(out, arg); | ||||
|   } | ||||
| }; | ||||
|  | ||||
| template <typename L, typename R> struct concat { | ||||
|   L lhs; | ||||
|   R rhs; | ||||
|   using char_type = typename L::char_type; | ||||
|  | ||||
|   template <typename OutputIt, typename... Args> | ||||
|   OutputIt format(OutputIt out, const Args&... args) const { | ||||
|     out = lhs.format(out, args...); | ||||
|     return rhs.format(out, args...); | ||||
|   } | ||||
| }; | ||||
|  | ||||
| template <typename L, typename R> | ||||
| constexpr concat<L, R> make_concat(L lhs, R rhs) { | ||||
|   return {lhs, rhs}; | ||||
| } | ||||
|  | ||||
| struct unknown_format {}; | ||||
|  | ||||
| template <typename Char> | ||||
| constexpr size_t parse_text(basic_string_view<Char> str, size_t pos) { | ||||
|   for (size_t size = str.size(); pos != size; ++pos) { | ||||
|     if (str[pos] == '{' || str[pos] == '}') break; | ||||
|   } | ||||
|   return pos; | ||||
| } | ||||
|  | ||||
| template <typename Args, size_t POS, int ID, typename S> | ||||
| constexpr auto compile_format_string(S format_str); | ||||
|  | ||||
| template <typename Args, size_t POS, int ID, typename T, typename S> | ||||
| constexpr auto parse_tail(T head, S format_str) { | ||||
|   if constexpr (POS != to_string_view(format_str).size()) { | ||||
|     constexpr auto tail = compile_format_string<Args, POS, ID>(format_str); | ||||
|     if constexpr (std::is_same<remove_cvref_t<decltype(tail)>, | ||||
|                                unknown_format>()) | ||||
|       return tail; | ||||
|     else | ||||
|       return make_concat(head, tail); | ||||
|   } else { | ||||
|     return head; | ||||
|   } | ||||
| } | ||||
|  | ||||
| // Compiles a non-empty format string and returns the compiled representation | ||||
| // or unknown_format() on unrecognized input. | ||||
| template <typename Args, size_t POS, int ID, typename S> | ||||
| 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()) | ||||
|       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>; | ||||
|       if constexpr (std::is_same<type, int>::value) { | ||||
|         return parse_tail<Args, POS + 2, ID + 1>(field<char_type, type, ID>(), | ||||
|                                                  format_str); | ||||
|       } else { | ||||
|         return unknown_format(); | ||||
|       } | ||||
|     } else { | ||||
|       return unknown_format(); | ||||
|     } | ||||
|   } else if constexpr (str[POS] == '}') { | ||||
|     if (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 { | ||||
|     constexpr auto end = parse_text(str, POS + 1); | ||||
|     return parse_tail<Args, end, ID>(make_text(str, POS, end - POS), | ||||
|                                      format_str); | ||||
|   } | ||||
| } | ||||
| #endif  // __cpp_if_constexpr | ||||
| }  // namespace internal | ||||
|  | ||||
| #if FMT_USE_CONSTEXPR | ||||
| #  ifdef __cpp_if_constexpr | ||||
| template <typename... Args, typename S, | ||||
|           FMT_ENABLE_IF(is_compile_string<S>::value)> | ||||
| FMT_CONSTEXPR auto compile(S format_str) -> internal::prepared_format< | ||||
|     S, | ||||
|     internal::compiletime_parts_provider< | ||||
|         S, | ||||
|         typename internal::compiletime_prepared_parts_type_provider<S>::type>, | ||||
|     Args...> { | ||||
|   return format_str; | ||||
| } | ||||
| #endif | ||||
|  | ||||
| template <typename... Args, typename Char, size_t N> | ||||
| auto compile(const Char (&format_str)[N]) -> internal::prepared_format< | ||||
|     std::basic_string<Char>, | ||||
|     internal::runtime_parts_provider<std::vector<internal::format_part<Char>>>, | ||||
|     Args...> { | ||||
|   return std::basic_string<Char>(format_str, N - 1); | ||||
| constexpr auto compile(S format_str) { | ||||
|   constexpr basic_string_view<typename S::char_type> str = format_str; | ||||
|   if constexpr (str.size() == 0) { | ||||
|     return internal::make_text(str, 0, 0); | ||||
|   } else { | ||||
|     constexpr auto result = | ||||
|         internal::compile_format_string<internal::type_list<Args...>, 0, 0>( | ||||
|             format_str); | ||||
|     if constexpr (std::is_same<remove_cvref_t<decltype(result)>, | ||||
|                                internal::unknown_format>()) { | ||||
|       return internal::compiled_format<S, Args...>(to_string_view(format_str)); | ||||
|     } else { | ||||
|       return result; | ||||
|     } | ||||
|   } | ||||
| } | ||||
|  | ||||
| template <typename CompiledFormat, typename... Args, | ||||
|           typename Char = typename CompiledFormat::char_type> | ||||
|           typename Char = typename CompiledFormat::char_type, | ||||
|           FMT_ENABLE_IF(!std::is_base_of<internal::basic_compiled_format, | ||||
|                                          CompiledFormat>::value)> | ||||
| std::basic_string<Char> format(const CompiledFormat& cf, const Args&... args) { | ||||
|   basic_memory_buffer<Char> buffer; | ||||
|   using range = internal::buffer_range<Char>; | ||||
|   using range = buffer_range<Char>; | ||||
|   using context = buffer_context<Char>; | ||||
|   cf.template vformat_to<range, context>(range(buffer), | ||||
|                                          {make_format_args<context>(args...)}); | ||||
|   cf.format(std::back_inserter(buffer), args...); | ||||
|   return to_string(buffer); | ||||
| } | ||||
|  | ||||
| template <typename OutputIt, typename CompiledFormat, typename... Args> | ||||
| template <typename OutputIt, typename CompiledFormat, typename... Args, | ||||
|           FMT_ENABLE_IF(!std::is_base_of<internal::basic_compiled_format, | ||||
|                                          CompiledFormat>::value)> | ||||
| OutputIt format_to(OutputIt out, const CompiledFormat& cf, | ||||
|                    const Args&... args) { | ||||
|   return cf.format(out, args...); | ||||
| } | ||||
| #  else | ||||
| template <typename... Args, typename S, | ||||
|           FMT_ENABLE_IF(is_compile_string<S>::value)> | ||||
| constexpr auto compile(S format_str) -> internal::compiled_format<S, Args...> { | ||||
|   return internal::compiled_format<S, Args...>(to_string_view(format_str)); | ||||
| } | ||||
| #  endif  // __cpp_if_constexpr | ||||
| #endif    // FMT_USE_CONSTEXPR | ||||
|  | ||||
| // Compiles the format string which must be a string literal. | ||||
| template <typename... Args, typename Char, size_t N> | ||||
| auto compile(const Char (&format_str)[N]) | ||||
|     -> internal::compiled_format<const Char*, Args...> { | ||||
|   return internal::compiled_format<const Char*, Args...>( | ||||
|       basic_string_view<Char>(format_str, N - 1)); | ||||
| } | ||||
|  | ||||
| template <typename CompiledFormat, typename... Args, | ||||
|           typename Char = typename CompiledFormat::char_type, | ||||
|           FMT_ENABLE_IF(std::is_base_of<internal::basic_compiled_format, | ||||
|                                         CompiledFormat>::value)> | ||||
| std::basic_string<Char> format(const CompiledFormat& cf, const Args&... args) { | ||||
|   basic_memory_buffer<Char> buffer; | ||||
|   using range = buffer_range<Char>; | ||||
|   using context = buffer_context<Char>; | ||||
|   internal::cf::vformat_to<context>(range(buffer), cf, | ||||
|                                     {make_format_args<context>(args...)}); | ||||
|   return to_string(buffer); | ||||
| } | ||||
|  | ||||
| template <typename OutputIt, typename CompiledFormat, typename... Args, | ||||
|           FMT_ENABLE_IF(std::is_base_of<internal::basic_compiled_format, | ||||
|                                         CompiledFormat>::value)> | ||||
| OutputIt format_to(OutputIt out, const CompiledFormat& cf, | ||||
|                    const Args&... args) { | ||||
|   using char_type = typename CompiledFormat::char_type; | ||||
|   using range = internal::output_range<OutputIt, char_type>; | ||||
|   using context = format_context_t<OutputIt, char_type>; | ||||
|   return cf.template vformat_to<range, context>( | ||||
|       range(out), {make_format_args<context>(args...)}); | ||||
|   return internal::cf::vformat_to<context>( | ||||
|       range(out), cf, {make_format_args<context>(args...)}); | ||||
| } | ||||
|  | ||||
| template <typename OutputIt, typename CompiledFormat, typename... Args, | ||||
| @@ -455,10 +579,7 @@ format_to_n_result<OutputIt> format_to_n(OutputIt out, size_t n, | ||||
|  | ||||
| template <typename CompiledFormat, typename... Args> | ||||
| std::size_t formatted_size(const CompiledFormat& cf, const Args&... args) { | ||||
|   return fmt::format_to( | ||||
|              internal::counting_iterator<typename CompiledFormat::char_type>(), | ||||
|              cf, args...) | ||||
|       .count(); | ||||
|   return format_to(internal::counting_iterator(), cf, args...).count(); | ||||
| } | ||||
|  | ||||
| FMT_END_NAMESPACE | ||||
|   | ||||
							
								
								
									
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								third_party/spdlog/include/spdlog/fmt/bundled/core.h
									
									
									
									
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							| @@ -8,7 +8,6 @@ | ||||
| #ifndef FMT_CORE_H_ | ||||
| #define FMT_CORE_H_ | ||||
|  | ||||
| #include <cassert> | ||||
| #include <cstdio>  // std::FILE | ||||
| #include <cstring> | ||||
| #include <iterator> | ||||
| @@ -16,7 +15,7 @@ | ||||
| #include <type_traits> | ||||
|  | ||||
| // The fmt library version in the form major * 10000 + minor * 100 + patch. | ||||
| #define FMT_VERSION 60000 | ||||
| #define FMT_VERSION 60101 | ||||
|  | ||||
| #ifdef __has_feature | ||||
| #  define FMT_HAS_FEATURE(x) __has_feature(x) | ||||
| @@ -49,6 +48,12 @@ | ||||
| #  define FMT_HAS_GXX_CXX11 0 | ||||
| #endif | ||||
|  | ||||
| #ifdef __NVCC__ | ||||
| #  define FMT_NVCC __NVCC__ | ||||
| #else | ||||
| #  define FMT_NVCC 0 | ||||
| #endif | ||||
|  | ||||
| #ifdef _MSC_VER | ||||
| #  define FMT_MSC_VER _MSC_VER | ||||
| #else | ||||
| @@ -60,7 +65,8 @@ | ||||
| #ifndef FMT_USE_CONSTEXPR | ||||
| #  define FMT_USE_CONSTEXPR                                           \ | ||||
|     (FMT_HAS_FEATURE(cxx_relaxed_constexpr) || FMT_MSC_VER >= 1910 || \ | ||||
|      (FMT_GCC_VERSION >= 600 && __cplusplus >= 201402L)) | ||||
|      (FMT_GCC_VERSION >= 600 && __cplusplus >= 201402L)) &&           \ | ||||
|         !FMT_NVCC | ||||
| #endif | ||||
| #if FMT_USE_CONSTEXPR | ||||
| #  define FMT_CONSTEXPR constexpr | ||||
| @@ -133,6 +139,13 @@ | ||||
| #  endif | ||||
| #endif | ||||
|  | ||||
| // Workaround broken [[deprecated]] in the Intel compiler and NVCC. | ||||
| #if defined(__INTEL_COMPILER) || FMT_NVCC | ||||
| #  define FMT_DEPRECATED_ALIAS | ||||
| #else | ||||
| #  define FMT_DEPRECATED_ALIAS FMT_DEPRECATED | ||||
| #endif | ||||
|  | ||||
| #ifndef FMT_BEGIN_NAMESPACE | ||||
| #  if FMT_HAS_FEATURE(cxx_inline_namespaces) || FMT_GCC_VERSION >= 404 || \ | ||||
|       FMT_MSC_VER >= 1900 | ||||
| @@ -173,10 +186,6 @@ | ||||
| #  define FMT_EXTERN | ||||
| #endif | ||||
|  | ||||
| #ifndef FMT_ASSERT | ||||
| #  define FMT_ASSERT(condition, message) assert((condition) && message) | ||||
| #endif | ||||
|  | ||||
| // libc++ supports string_view in pre-c++17. | ||||
| #if (FMT_HAS_INCLUDE(<string_view>) &&                       \ | ||||
|      (__cplusplus > 201402L || defined(_LIBCPP_VERSION))) || \ | ||||
| @@ -200,6 +209,8 @@ template <typename T> | ||||
| using remove_reference_t = typename std::remove_reference<T>::type; | ||||
| template <typename T> | ||||
| using remove_const_t = typename std::remove_const<T>::type; | ||||
| template <typename T> | ||||
| using remove_cvref_t = typename std::remove_cv<remove_reference_t<T>>::type; | ||||
|  | ||||
| struct monostate {}; | ||||
|  | ||||
| @@ -213,6 +224,19 @@ namespace internal { | ||||
| // 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; }; | ||||
|  | ||||
| FMT_API void assert_fail(const char* file, int line, const char* message); | ||||
|  | ||||
| #ifndef FMT_ASSERT | ||||
| #  ifdef NDEBUG | ||||
| #    define FMT_ASSERT(condition, message) | ||||
| #  else | ||||
| #    define FMT_ASSERT(condition, message) \ | ||||
|       ((condition)                         \ | ||||
|            ? void()                        \ | ||||
|            : fmt::internal::assert_fail(__FILE__, __LINE__, (message))) | ||||
| #  endif | ||||
| #endif | ||||
|  | ||||
| #if defined(FMT_USE_STRING_VIEW) | ||||
| template <typename Char> using std_string_view = std::basic_string_view<Char>; | ||||
| #elif defined(FMT_USE_EXPERIMENTAL_STRING_VIEW) | ||||
| @@ -222,7 +246,21 @@ using std_string_view = std::experimental::basic_string_view<Char>; | ||||
| template <typename T> struct std_string_view {}; | ||||
| #endif | ||||
|  | ||||
| // Casts nonnegative integer to unsigned. | ||||
| #ifdef FMT_USE_INT128 | ||||
| // Do nothing. | ||||
| #elif defined(__SIZEOF_INT128__) | ||||
| #  define FMT_USE_INT128 1 | ||||
| using int128_t = __int128_t; | ||||
| using uint128_t = __uint128_t; | ||||
| #else | ||||
| #  define FMT_USE_INT128 0 | ||||
| #endif | ||||
| #if !FMT_USE_INT128 | ||||
| struct int128_t {}; | ||||
| struct uint128_t {}; | ||||
| #endif | ||||
|  | ||||
| // Casts a nonnegative integer to unsigned. | ||||
| template <typename Int> | ||||
| FMT_CONSTEXPR typename std::make_unsigned<Int>::type to_unsigned(Int value) { | ||||
|   FMT_ASSERT(value >= 0, "negative value"); | ||||
| @@ -266,10 +304,11 @@ template <typename Char> class basic_string_view { | ||||
|       : data_(s), size_(std::char_traits<Char>::length(s)) {} | ||||
|  | ||||
|   /** Constructs a string reference from a ``std::basic_string`` object. */ | ||||
|   template <typename Alloc> | ||||
|   FMT_CONSTEXPR basic_string_view(const std::basic_string<Char, Alloc>& s) | ||||
|       FMT_NOEXCEPT : data_(s.data()), | ||||
|                      size_(s.size()) {} | ||||
|   template <typename Traits, typename Alloc> | ||||
|   FMT_CONSTEXPR basic_string_view( | ||||
|       const std::basic_string<Char, Traits, Alloc>& s) FMT_NOEXCEPT | ||||
|       : data_(s.data()), | ||||
|         size_(s.size()) {} | ||||
|  | ||||
|   template < | ||||
|       typename S, | ||||
| @@ -286,6 +325,8 @@ template <typename Char> class basic_string_view { | ||||
|   FMT_CONSTEXPR iterator begin() const { return data_; } | ||||
|   FMT_CONSTEXPR iterator end() const { return data_ + size_; } | ||||
|  | ||||
|   FMT_CONSTEXPR const Char& operator[](size_t pos) const { return data_[pos]; } | ||||
|  | ||||
|   FMT_CONSTEXPR void remove_prefix(size_t n) { | ||||
|     data_ += n; | ||||
|     size_ -= n; | ||||
| @@ -357,10 +398,10 @@ inline basic_string_view<Char> to_string_view(const Char* s) { | ||||
|   return s; | ||||
| } | ||||
|  | ||||
| template <typename Char, typename Traits, typename Allocator> | ||||
| template <typename Char, typename Traits, typename Alloc> | ||||
| inline basic_string_view<Char> to_string_view( | ||||
|     const std::basic_string<Char, Traits, Allocator>& s) { | ||||
|   return {s.data(), s.size()}; | ||||
|     const std::basic_string<Char, Traits, Alloc>& s) { | ||||
|   return s; | ||||
| } | ||||
|  | ||||
| template <typename Char> | ||||
| @@ -405,8 +446,8 @@ template <typename S> struct char_t_impl<S, enable_if_t<is_string<S>::value>> { | ||||
| }; | ||||
|  | ||||
| struct error_handler { | ||||
|   FMT_CONSTEXPR error_handler() {} | ||||
|   FMT_CONSTEXPR error_handler(const error_handler&) {} | ||||
|   FMT_CONSTEXPR error_handler() = default; | ||||
|   FMT_CONSTEXPR error_handler(const error_handler&) = default; | ||||
|  | ||||
|   // This function is intentionally not constexpr to give a compile-time error. | ||||
|   FMT_NORETURN FMT_API void on_error(const char* message); | ||||
| @@ -416,10 +457,24 @@ struct error_handler { | ||||
| /** String's character type. */ | ||||
| template <typename S> using char_t = typename internal::char_t_impl<S>::type; | ||||
|  | ||||
| // Parsing context consisting of a format string range being parsed and an | ||||
| // argument counter for automatic indexing. | ||||
| /** | ||||
|   \rst | ||||
|   Parsing context consisting of a format string range being parsed and an | ||||
|   argument counter for automatic indexing. | ||||
|  | ||||
|   You can use one of the following type aliases for common character types: | ||||
|  | ||||
|   +-----------------------+-------------------------------------+ | ||||
|   | Type                  | Definition                          | | ||||
|   +=======================+=====================================+ | ||||
|   | format_parse_context  | basic_format_parse_context<char>    | | ||||
|   +-----------------------+-------------------------------------+ | ||||
|   | wformat_parse_context | basic_format_parse_context<wchar_t> | | ||||
|   +-----------------------+-------------------------------------+ | ||||
|   \endrst | ||||
|  */ | ||||
| template <typename Char, typename ErrorHandler = internal::error_handler> | ||||
| class basic_parse_context : private ErrorHandler { | ||||
| class basic_format_parse_context : private ErrorHandler { | ||||
|  private: | ||||
|   basic_string_view<Char> format_str_; | ||||
|   int next_arg_id_; | ||||
| @@ -428,38 +483,47 @@ class basic_parse_context : private ErrorHandler { | ||||
|   using char_type = Char; | ||||
|   using iterator = typename basic_string_view<Char>::iterator; | ||||
|  | ||||
|   explicit FMT_CONSTEXPR basic_parse_context(basic_string_view<Char> format_str, | ||||
|                                              ErrorHandler eh = ErrorHandler()) | ||||
|   explicit FMT_CONSTEXPR basic_format_parse_context( | ||||
|       basic_string_view<Char> format_str, ErrorHandler eh = ErrorHandler()) | ||||
|       : ErrorHandler(eh), format_str_(format_str), next_arg_id_(0) {} | ||||
|  | ||||
|   // Returns an iterator to the beginning of the format string range being | ||||
|   // parsed. | ||||
|   /** | ||||
|     Returns an iterator to the beginning of the format string range being | ||||
|     parsed. | ||||
|    */ | ||||
|   FMT_CONSTEXPR iterator begin() const FMT_NOEXCEPT { | ||||
|     return format_str_.begin(); | ||||
|   } | ||||
|  | ||||
|   // Returns an iterator past the end of the format string range being parsed. | ||||
|   /** | ||||
|     Returns an iterator past the end of the format string range being parsed. | ||||
|    */ | ||||
|   FMT_CONSTEXPR iterator end() const FMT_NOEXCEPT { return format_str_.end(); } | ||||
|  | ||||
|   // Advances the begin iterator to ``it``. | ||||
|   /** Advances the begin iterator to ``it``. */ | ||||
|   FMT_CONSTEXPR void advance_to(iterator it) { | ||||
|     format_str_.remove_prefix(internal::to_unsigned(it - begin())); | ||||
|   } | ||||
|  | ||||
|   // Returns the next argument index. | ||||
|   /** | ||||
|     Reports an error if using the manual argument indexing; otherwise returns | ||||
|     the next argument index and switches to the automatic indexing. | ||||
|    */ | ||||
|   FMT_CONSTEXPR int next_arg_id() { | ||||
|     if (next_arg_id_ >= 0) return next_arg_id_++; | ||||
|     on_error("cannot switch from manual to automatic argument indexing"); | ||||
|     return 0; | ||||
|   } | ||||
|  | ||||
|   FMT_CONSTEXPR bool check_arg_id(int) { | ||||
|     if (next_arg_id_ > 0) { | ||||
|   /** | ||||
|     Reports an error if using the automatic argument indexing; otherwise | ||||
|     switches to the manual indexing. | ||||
|    */ | ||||
|   FMT_CONSTEXPR void check_arg_id(int) { | ||||
|     if (next_arg_id_ > 0) | ||||
|       on_error("cannot switch from automatic to manual argument indexing"); | ||||
|       return false; | ||||
|     } | ||||
|     next_arg_id_ = -1; | ||||
|     return true; | ||||
|     else | ||||
|       next_arg_id_ = -1; | ||||
|   } | ||||
|  | ||||
|   FMT_CONSTEXPR void check_arg_id(basic_string_view<Char>) {} | ||||
| @@ -471,11 +535,14 @@ class basic_parse_context : private ErrorHandler { | ||||
|   FMT_CONSTEXPR ErrorHandler error_handler() const { return *this; } | ||||
| }; | ||||
|  | ||||
| using format_parse_context = basic_parse_context<char>; | ||||
| using wformat_parse_context = basic_parse_context<wchar_t>; | ||||
| using format_parse_context = basic_format_parse_context<char>; | ||||
| using wformat_parse_context = basic_format_parse_context<wchar_t>; | ||||
|  | ||||
| using parse_context FMT_DEPRECATED = basic_parse_context<char>; | ||||
| using wparse_context FMT_DEPRECATED = basic_parse_context<wchar_t>; | ||||
| template <typename Char, typename ErrorHandler = internal::error_handler> | ||||
| using basic_parse_context FMT_DEPRECATED_ALIAS = | ||||
|     basic_format_parse_context<Char, ErrorHandler>; | ||||
| using parse_context FMT_DEPRECATED_ALIAS = basic_format_parse_context<char>; | ||||
| using wparse_context FMT_DEPRECATED_ALIAS = basic_format_parse_context<wchar_t>; | ||||
|  | ||||
| template <typename Context> class basic_format_arg; | ||||
| template <typename Context> class basic_format_args; | ||||
| @@ -492,20 +559,17 @@ struct FMT_DEPRECATED convert_to_int | ||||
|     : bool_constant<!std::is_arithmetic<T>::value && | ||||
|                     std::is_convertible<T, int>::value> {}; | ||||
|  | ||||
| namespace internal { | ||||
|  | ||||
| // Specifies if T has an enabled formatter specialization. A type can be | ||||
| // formattable even if it doesn't have a formatter e.g. via a conversion. | ||||
| template <typename T, typename Context> | ||||
| using has_formatter = | ||||
|     std::is_constructible<typename Context::template formatter_type<T>>; | ||||
|  | ||||
| namespace internal { | ||||
|  | ||||
| /** A contiguous memory buffer with an optional growing ability. */ | ||||
| template <typename T> class buffer { | ||||
|  private: | ||||
|   buffer(const buffer&) = delete; | ||||
|   void operator=(const buffer&) = delete; | ||||
|  | ||||
|   T* ptr_; | ||||
|   std::size_t size_; | ||||
|   std::size_t capacity_; | ||||
| @@ -532,7 +596,9 @@ template <typename T> class buffer { | ||||
|   using value_type = T; | ||||
|   using const_reference = const T&; | ||||
|  | ||||
|   virtual ~buffer() {} | ||||
|   buffer(const buffer&) = delete; | ||||
|   void operator=(const buffer&) = delete; | ||||
|   virtual ~buffer() = default; | ||||
|  | ||||
|   T* begin() FMT_NOEXCEPT { return ptr_; } | ||||
|   T* end() FMT_NOEXCEPT { return ptr_ + size_; } | ||||
| @@ -626,10 +692,13 @@ enum type { | ||||
|   uint_type, | ||||
|   long_long_type, | ||||
|   ulong_long_type, | ||||
|   int128_type, | ||||
|   uint128_type, | ||||
|   bool_type, | ||||
|   char_type, | ||||
|   last_integer_type = char_type, | ||||
|   // followed by floating-point types. | ||||
|   float_type, | ||||
|   double_type, | ||||
|   long_double_type, | ||||
|   last_numeric_type = long_double_type, | ||||
| @@ -652,20 +721,23 @@ FMT_TYPE_CONSTANT(int, int_type); | ||||
| FMT_TYPE_CONSTANT(unsigned, uint_type); | ||||
| FMT_TYPE_CONSTANT(long long, long_long_type); | ||||
| FMT_TYPE_CONSTANT(unsigned long long, ulong_long_type); | ||||
| FMT_TYPE_CONSTANT(int128_t, int128_type); | ||||
| FMT_TYPE_CONSTANT(uint128_t, uint128_type); | ||||
| FMT_TYPE_CONSTANT(bool, bool_type); | ||||
| FMT_TYPE_CONSTANT(Char, char_type); | ||||
| FMT_TYPE_CONSTANT(float, float_type); | ||||
| FMT_TYPE_CONSTANT(double, double_type); | ||||
| FMT_TYPE_CONSTANT(long double, long_double_type); | ||||
| FMT_TYPE_CONSTANT(const Char*, cstring_type); | ||||
| FMT_TYPE_CONSTANT(basic_string_view<Char>, string_type); | ||||
| FMT_TYPE_CONSTANT(const void*, pointer_type); | ||||
|  | ||||
| FMT_CONSTEXPR bool is_integral(type t) { | ||||
| FMT_CONSTEXPR bool is_integral_type(type t) { | ||||
|   FMT_ASSERT(t != named_arg_type, "invalid argument type"); | ||||
|   return t > none_type && t <= last_integer_type; | ||||
| } | ||||
|  | ||||
| FMT_CONSTEXPR bool is_arithmetic(type t) { | ||||
| FMT_CONSTEXPR bool is_arithmetic_type(type t) { | ||||
|   FMT_ASSERT(t != named_arg_type, "invalid argument type"); | ||||
|   return t > none_type && t <= last_numeric_type; | ||||
| } | ||||
| @@ -676,7 +748,7 @@ template <typename Char> struct string_value { | ||||
| }; | ||||
|  | ||||
| template <typename Context> struct custom_value { | ||||
|   using parse_context = basic_parse_context<typename Context::char_type>; | ||||
|   using parse_context = basic_format_parse_context<typename Context::char_type>; | ||||
|   const void* value; | ||||
|   void (*format)(const void* arg, parse_context& parse_ctx, Context& ctx); | ||||
| }; | ||||
| @@ -691,8 +763,11 @@ template <typename Context> class value { | ||||
|     unsigned uint_value; | ||||
|     long long long_long_value; | ||||
|     unsigned long long ulong_long_value; | ||||
|     int128_t int128_value; | ||||
|     uint128_t uint128_value; | ||||
|     bool bool_value; | ||||
|     char_type char_value; | ||||
|     float float_value; | ||||
|     double double_value; | ||||
|     long double long_double_value; | ||||
|     const void* pointer; | ||||
| @@ -705,6 +780,9 @@ template <typename Context> class value { | ||||
|   FMT_CONSTEXPR value(unsigned val) : uint_value(val) {} | ||||
|   value(long long val) : long_long_value(val) {} | ||||
|   value(unsigned long long val) : ulong_long_value(val) {} | ||||
|   value(int128_t val) : int128_value(val) {} | ||||
|   value(uint128_t val) : uint128_value(val) {} | ||||
|   value(float val) : float_value(val) {} | ||||
|   value(double val) : double_value(val) {} | ||||
|   value(long double val) : long_double_value(val) {} | ||||
|   value(bool val) : bool_value(val) {} | ||||
| @@ -732,9 +810,9 @@ template <typename Context> class value { | ||||
|  private: | ||||
|   // Formats an argument of a custom type, such as a user-defined class. | ||||
|   template <typename T, typename Formatter> | ||||
|   static void format_custom_arg(const void* arg, | ||||
|                                 basic_parse_context<char_type>& parse_ctx, | ||||
|                                 Context& ctx) { | ||||
|   static void format_custom_arg( | ||||
|       const void* arg, basic_format_parse_context<char_type>& parse_ctx, | ||||
|       Context& ctx) { | ||||
|     Formatter f; | ||||
|     parse_ctx.advance_to(f.parse(parse_ctx)); | ||||
|     ctx.advance_to(f.format(*static_cast<const T*>(arg), ctx)); | ||||
| @@ -764,6 +842,8 @@ template <typename Context> struct arg_mapper { | ||||
|   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; } | ||||
|  | ||||
|   template <typename T, FMT_ENABLE_IF(is_char<T>::value)> | ||||
| @@ -774,7 +854,7 @@ template <typename Context> struct arg_mapper { | ||||
|     return val; | ||||
|   } | ||||
|  | ||||
|   FMT_CONSTEXPR double map(float val) { return static_cast<double>(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; } | ||||
|  | ||||
| @@ -793,6 +873,15 @@ template <typename Context> struct arg_mapper { | ||||
|   FMT_CONSTEXPR basic_string_view<char_type> map(const T& val) { | ||||
|     return basic_string_view<char_type>(val); | ||||
|   } | ||||
|   template < | ||||
|       typename T, | ||||
|       FMT_ENABLE_IF( | ||||
|           std::is_constructible<std_string_view<char_type>, T>::value && | ||||
|           !std::is_constructible<basic_string_view<char_type>, T>::value && | ||||
|           !is_string<T>::value)> | ||||
|   FMT_CONSTEXPR 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) { | ||||
|     static_assert(std::is_same<char_type, char>::value, "invalid string type"); | ||||
|     return reinterpret_cast<const char*>(val); | ||||
| @@ -818,11 +907,14 @@ template <typename Context> struct arg_mapper { | ||||
|             FMT_ENABLE_IF(std::is_enum<T>::value && | ||||
|                           !has_formatter<T, Context>::value && | ||||
|                           !has_fallback_formatter<T, Context>::value)> | ||||
|   FMT_CONSTEXPR int map(const T& val) { | ||||
|     return static_cast<int>(val); | ||||
|   FMT_CONSTEXPR auto map(const T& val) -> decltype( | ||||
|       map(static_cast<typename std::underlying_type<T>::type>(val))) { | ||||
|     return map(static_cast<typename std::underlying_type<T>::type>(val)); | ||||
|   } | ||||
|   template <typename T, | ||||
|             FMT_ENABLE_IF(!is_string<T>::value && !is_char<T>::value && | ||||
|                           !std::is_constructible<basic_string_view<char_type>, | ||||
|                                                  T>::value && | ||||
|                           (has_formatter<T, Context>::value || | ||||
|                            has_fallback_formatter<T, Context>::value))> | ||||
|   FMT_CONSTEXPR const T& map(const T& val) { | ||||
| @@ -841,12 +933,13 @@ template <typename Context> struct arg_mapper { | ||||
| // A type constant after applying arg_mapper<Context>. | ||||
| template <typename T, typename Context> | ||||
| using mapped_type_constant = | ||||
|     type_constant<decltype(arg_mapper<Context>().map(std::declval<T>())), | ||||
|     type_constant<decltype(arg_mapper<Context>().map(std::declval<const T&>())), | ||||
|                   typename Context::char_type>; | ||||
|  | ||||
| enum { packed_arg_bits = 5 }; | ||||
| // Maximum number of arguments with packed types. | ||||
| enum { max_packed_args = 15 }; | ||||
| enum : unsigned long long { is_unpacked_bit = 1ull << 63 }; | ||||
| enum { max_packed_args = 63 / packed_arg_bits }; | ||||
| enum : unsigned long long { is_unpacked_bit = 1ULL << 63 }; | ||||
|  | ||||
| template <typename Context> class arg_map; | ||||
| }  // namespace internal | ||||
| @@ -877,7 +970,8 @@ template <typename Context> class basic_format_arg { | ||||
|    public: | ||||
|     explicit handle(internal::custom_value<Context> custom) : custom_(custom) {} | ||||
|  | ||||
|     void format(basic_parse_context<char_type>& parse_ctx, Context& ctx) const { | ||||
|     void format(basic_format_parse_context<char_type>& parse_ctx, | ||||
|                 Context& ctx) const { | ||||
|       custom_.format(custom_.value, parse_ctx, ctx); | ||||
|     } | ||||
|  | ||||
| @@ -893,8 +987,8 @@ template <typename Context> class basic_format_arg { | ||||
|  | ||||
|   internal::type type() const { return type_; } | ||||
|  | ||||
|   bool is_integral() const { return internal::is_integral(type_); } | ||||
|   bool is_arithmetic() const { return internal::is_arithmetic(type_); } | ||||
|   bool is_integral() const { return internal::is_integral_type(type_); } | ||||
|   bool is_arithmetic() const { return internal::is_arithmetic_type(type_); } | ||||
| }; | ||||
|  | ||||
| /** | ||||
| @@ -923,10 +1017,22 @@ FMT_CONSTEXPR auto visit_format_arg(Visitor&& vis, | ||||
|     return vis(arg.value_.long_long_value); | ||||
|   case internal::ulong_long_type: | ||||
|     return vis(arg.value_.ulong_long_value); | ||||
| #if FMT_USE_INT128 | ||||
|   case internal::int128_type: | ||||
|     return vis(arg.value_.int128_value); | ||||
|   case internal::uint128_type: | ||||
|     return vis(arg.value_.uint128_value); | ||||
| #else | ||||
|   case internal::int128_type: | ||||
|   case internal::uint128_type: | ||||
|     break; | ||||
| #endif | ||||
|   case internal::bool_type: | ||||
|     return vis(arg.value_.bool_value); | ||||
|   case internal::char_type: | ||||
|     return vis(arg.value_.char_value); | ||||
|   case internal::float_type: | ||||
|     return vis(arg.value_.float_value); | ||||
|   case internal::double_type: | ||||
|     return vis(arg.value_.double_value); | ||||
|   case internal::long_double_type: | ||||
| @@ -948,9 +1054,6 @@ namespace internal { | ||||
| // A map from argument names to their values for named arguments. | ||||
| template <typename Context> class arg_map { | ||||
|  private: | ||||
|   arg_map(const arg_map&) = delete; | ||||
|   void operator=(const arg_map&) = delete; | ||||
|  | ||||
|   using char_type = typename Context::char_type; | ||||
|  | ||||
|   struct entry { | ||||
| @@ -968,6 +1071,8 @@ template <typename Context> class arg_map { | ||||
|   } | ||||
|  | ||||
|  public: | ||||
|   arg_map(const arg_map&) = delete; | ||||
|   void operator=(const arg_map&) = delete; | ||||
|   arg_map() : map_(nullptr), size_(0) {} | ||||
|   void init(const basic_format_args<Context>& args); | ||||
|   ~arg_map() { delete[] map_; } | ||||
| @@ -990,6 +1095,8 @@ class locale_ref { | ||||
|   locale_ref() : locale_(nullptr) {} | ||||
|   template <typename Locale> explicit locale_ref(const Locale& loc); | ||||
|  | ||||
|   explicit operator bool() const FMT_NOEXCEPT { return locale_ != nullptr; } | ||||
|  | ||||
|   template <typename Locale> Locale get() const; | ||||
| }; | ||||
|  | ||||
| @@ -998,7 +1105,7 @@ template <typename> constexpr unsigned long long encode_types() { return 0; } | ||||
| template <typename Context, typename Arg, typename... Args> | ||||
| constexpr unsigned long long encode_types() { | ||||
|   return mapped_type_constant<Arg, Context>::value | | ||||
|          (encode_types<Context, Args...>() << 4); | ||||
|          (encode_types<Context, Args...>() << packed_arg_bits); | ||||
| } | ||||
|  | ||||
| template <typename Context, typename T> | ||||
| @@ -1034,14 +1141,13 @@ template <typename OutputIt, typename Char> class basic_format_context { | ||||
|   internal::arg_map<basic_format_context> map_; | ||||
|   internal::locale_ref loc_; | ||||
|  | ||||
|   basic_format_context(const basic_format_context&) = delete; | ||||
|   void operator=(const basic_format_context&) = delete; | ||||
|  | ||||
|  public: | ||||
|   using iterator = OutputIt; | ||||
|   using format_arg = basic_format_arg<basic_format_context>; | ||||
|   template <typename T> using formatter_type = formatter<T, char_type>; | ||||
|  | ||||
|   basic_format_context(const basic_format_context&) = delete; | ||||
|   void operator=(const basic_format_context&) = delete; | ||||
|   /** | ||||
|    Constructs a ``basic_format_context`` object. References to the arguments are | ||||
|    stored in the object so make sure they have appropriate lifetimes. | ||||
| @@ -1100,7 +1206,6 @@ template <typename Context, typename... Args> class format_arg_store { | ||||
|   static constexpr unsigned long long types = | ||||
|       is_packed ? internal::encode_types<Context, Args...>() | ||||
|                 : internal::is_unpacked_bit | num_args; | ||||
|   FMT_DEPRECATED static constexpr unsigned long long TYPES = types; | ||||
|  | ||||
|   format_arg_store(const Args&... args) | ||||
|       : data_{internal::make_arg<is_packed, Context>(args)...} {} | ||||
| @@ -1143,8 +1248,9 @@ template <typename Context> class basic_format_args { | ||||
|   bool is_packed() const { return (types_ & internal::is_unpacked_bit) == 0; } | ||||
|  | ||||
|   internal::type type(int index) const { | ||||
|     int shift = index * 4; | ||||
|     return static_cast<internal::type>((types_ & (0xfull << shift)) >> shift); | ||||
|     int shift = index * internal::packed_arg_bits; | ||||
|     unsigned int mask = (1 << internal::packed_arg_bits) - 1; | ||||
|     return static_cast<internal::type>((types_ >> shift) & mask); | ||||
|   } | ||||
|  | ||||
|   friend class internal::arg_map<Context>; | ||||
| @@ -1371,7 +1477,7 @@ inline std::basic_string<Char> format(const S& format_str, Args&&... args) { | ||||
| } | ||||
|  | ||||
| FMT_API void vprint(std::FILE* f, string_view format_str, format_args args); | ||||
| FMT_API void vprint(std::FILE* f, wstring_view format_str, wformat_args args); | ||||
| FMT_API void vprint(string_view format_str, format_args args); | ||||
|  | ||||
| /** | ||||
|   \rst | ||||
| @@ -1391,9 +1497,6 @@ inline void print(std::FILE* f, const S& format_str, Args&&... args) { | ||||
|          internal::make_args_checked<Args...>(format_str, args...)); | ||||
| } | ||||
|  | ||||
| FMT_API void vprint(string_view format_str, format_args args); | ||||
| FMT_API void vprint(wstring_view format_str, wformat_args args); | ||||
|  | ||||
| /** | ||||
|   \rst | ||||
|   Prints formatted data to ``stdout``. | ||||
|   | ||||
										
											
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							| @@ -46,9 +46,13 @@ template <class Char> class formatbuf : public std::basic_streambuf<Char> { | ||||
|  | ||||
| template <typename Char> struct test_stream : std::basic_ostream<Char> { | ||||
|  private: | ||||
|   struct null; | ||||
|   // Hide all operator<< from std::basic_ostream<Char>. | ||||
|   void operator<<(null); | ||||
|   void_t<> operator<<(null<>); | ||||
|   void_t<> operator<<(const Char*); | ||||
|  | ||||
|   template <typename T, FMT_ENABLE_IF(std::is_convertible<T, int>::value && | ||||
|                                       !std::is_enum<T>::value)> | ||||
|   void_t<> operator<<(T); | ||||
| }; | ||||
|  | ||||
| // Checks if T has a user-defined operator<< (e.g. not a member of | ||||
| @@ -56,9 +60,9 @@ template <typename Char> struct test_stream : std::basic_ostream<Char> { | ||||
| template <typename T, typename Char> class is_streamable { | ||||
|  private: | ||||
|   template <typename U> | ||||
|   static decltype((void)(std::declval<test_stream<Char>&>() | ||||
|                          << std::declval<U>()), | ||||
|                   std::true_type()) | ||||
|   static bool_constant<!std::is_same<decltype(std::declval<test_stream<Char>&>() | ||||
|                                               << std::declval<U>()), | ||||
|                                      void_t<>>::value> | ||||
|   test(int); | ||||
|  | ||||
|   template <typename> static std::false_type test(...); | ||||
| @@ -75,8 +79,7 @@ void write(std::basic_ostream<Char>& os, buffer<Char>& buf) { | ||||
|   const Char* buf_data = buf.data(); | ||||
|   using unsigned_streamsize = std::make_unsigned<std::streamsize>::type; | ||||
|   unsigned_streamsize size = buf.size(); | ||||
|   unsigned_streamsize max_size = | ||||
|       to_unsigned((std::numeric_limits<std::streamsize>::max)()); | ||||
|   unsigned_streamsize max_size = to_unsigned(max_value<std::streamsize>()); | ||||
|   do { | ||||
|     unsigned_streamsize n = size <= max_size ? size : max_size; | ||||
|     os.write(buf_data, static_cast<std::streamsize>(n)); | ||||
| @@ -86,9 +89,11 @@ void write(std::basic_ostream<Char>& os, buffer<Char>& buf) { | ||||
| } | ||||
|  | ||||
| template <typename Char, typename T> | ||||
| void format_value(buffer<Char>& buf, const T& value) { | ||||
| void format_value(buffer<Char>& buf, const T& value, | ||||
|                   locale_ref loc = locale_ref()) { | ||||
|   formatbuf<Char> format_buf(buf); | ||||
|   std::basic_ostream<Char> output(&format_buf); | ||||
|   if (loc) output.imbue(loc.get<std::locale>()); | ||||
|   output.exceptions(std::ios_base::failbit | std::ios_base::badbit); | ||||
|   output << value; | ||||
|   buf.resize(buf.size()); | ||||
| @@ -101,7 +106,7 @@ struct fallback_formatter<T, Char, enable_if_t<is_streamable<T, Char>::value>> | ||||
|   template <typename Context> | ||||
|   auto format(const T& value, Context& ctx) -> decltype(ctx.out()) { | ||||
|     basic_memory_buffer<Char> buffer; | ||||
|     format_value(buffer, value); | ||||
|     format_value(buffer, value, ctx.locale()); | ||||
|     basic_string_view<Char> str(buffer.data(), buffer.size()); | ||||
|     return formatter<basic_string_view<Char>, Char>::format(str, ctx); | ||||
|   } | ||||
|   | ||||
| @@ -13,11 +13,10 @@ | ||||
| #  undef __STRICT_ANSI__ | ||||
| #endif | ||||
|  | ||||
| #include <errno.h> | ||||
| #include <fcntl.h>   // for O_RDONLY | ||||
| #include <locale.h>  // for locale_t | ||||
| #include <stdio.h> | ||||
| #include <stdlib.h>  // for strtod_l | ||||
| #include <cerrno> | ||||
| #include <clocale>  // for locale_t | ||||
| #include <cstdio> | ||||
| #include <cstdlib>  // for strtod_l | ||||
|  | ||||
| #include <cstddef> | ||||
|  | ||||
| @@ -27,6 +26,18 @@ | ||||
|  | ||||
| #include "format.h" | ||||
|  | ||||
| // UWP doesn't provide _pipe. | ||||
| #if FMT_HAS_INCLUDE("winapifamily.h") | ||||
| #  include <winapifamily.h> | ||||
| #endif | ||||
| #if FMT_HAS_INCLUDE("fcntl.h") && \ | ||||
|     (!defined(WINAPI_FAMILY) || (WINAPI_FAMILY == WINAPI_FAMILY_DESKTOP_APP)) | ||||
| #  include <fcntl.h>  // for O_RDONLY | ||||
| #  define FMT_USE_FCNTL 1 | ||||
| #else | ||||
| #  define FMT_USE_FCNTL 0 | ||||
| #endif | ||||
|  | ||||
| #ifndef FMT_POSIX | ||||
| #  if defined(_WIN32) && !defined(__MINGW32__) | ||||
| // Fix warnings about deprecated symbols. | ||||
| @@ -54,8 +65,8 @@ | ||||
| #ifndef _WIN32 | ||||
| #  define FMT_RETRY_VAL(result, expression, error_result) \ | ||||
|     do {                                                  \ | ||||
|       result = (expression);                              \ | ||||
|     } while (result == error_result && errno == EINTR) | ||||
|       (result) = (expression);                            \ | ||||
|     } while ((result) == (error_result) && errno == EINTR) | ||||
| #else | ||||
| #  define FMT_RETRY_VAL(result, expression, error_result) result = (expression) | ||||
| #endif | ||||
| @@ -132,16 +143,15 @@ class buffered_file { | ||||
|   explicit buffered_file(FILE* f) : file_(f) {} | ||||
|  | ||||
|  public: | ||||
|   buffered_file(const buffered_file&) = delete; | ||||
|   void operator=(const buffered_file&) = delete; | ||||
|  | ||||
|   // Constructs a buffered_file object which doesn't represent any file. | ||||
|   buffered_file() FMT_NOEXCEPT : file_(nullptr) {} | ||||
|  | ||||
|   // Destroys the object closing the file it represents if any. | ||||
|   FMT_API ~buffered_file() FMT_NOEXCEPT; | ||||
|  | ||||
|  private: | ||||
|   buffered_file(const buffered_file&) = delete; | ||||
|   void operator=(const buffered_file&) = delete; | ||||
|  | ||||
|  public: | ||||
|   buffered_file(buffered_file&& other) FMT_NOEXCEPT : file_(other.file_) { | ||||
|     other.file_ = nullptr; | ||||
| @@ -177,6 +187,7 @@ class buffered_file { | ||||
|   } | ||||
| }; | ||||
|  | ||||
| #if FMT_USE_FCNTL | ||||
| // A file. Closed file is represented by a file object with descriptor -1. | ||||
| // Methods that are not declared with FMT_NOEXCEPT may throw | ||||
| // fmt::system_error in case of failure. Note that some errors such as | ||||
| @@ -204,14 +215,13 @@ class file { | ||||
|   // Opens a file and constructs a file object representing this file. | ||||
|   FMT_API file(cstring_view path, int oflag); | ||||
|  | ||||
|  private: | ||||
|  public: | ||||
|   file(const file&) = delete; | ||||
|   void operator=(const file&) = delete; | ||||
|  | ||||
|  public: | ||||
|   file(file&& other) FMT_NOEXCEPT : fd_(other.fd_) { other.fd_ = -1; } | ||||
|  | ||||
|   file& operator=(file&& other) { | ||||
|   file& operator=(file&& other) FMT_NOEXCEPT { | ||||
|     close(); | ||||
|     fd_ = other.fd_; | ||||
|     other.fd_ = -1; | ||||
| @@ -260,6 +270,7 @@ class file { | ||||
|  | ||||
| // Returns the memory page size. | ||||
| long getpagesize(); | ||||
| #endif  // FMT_USE_FCNTL | ||||
|  | ||||
| #ifdef FMT_LOCALE | ||||
| // A "C" numeric locale. | ||||
| @@ -283,11 +294,10 @@ class Locale { | ||||
|  | ||||
|   locale_t locale_; | ||||
|  | ||||
|   Locale(const Locale&) = delete; | ||||
|   void operator=(const Locale&) = delete; | ||||
|  | ||||
|  public: | ||||
|   using type = locale_t; | ||||
|   Locale(const Locale&) = delete; | ||||
|   void operator=(const Locale&) = delete; | ||||
|  | ||||
|   Locale() : locale_(newlocale(LC_NUMERIC_MASK, "C", nullptr)) { | ||||
|     if (!locale_) FMT_THROW(system_error(errno, "cannot create locale")); | ||||
|   | ||||
| @@ -1,4 +1,4 @@ | ||||
| // Formatting library for C++ | ||||
| // Formatting library for C++ - legacy printf implementation | ||||
| // | ||||
| // Copyright (c) 2012 - 2016, Victor Zverovich | ||||
| // All rights reserved. | ||||
| @@ -8,7 +8,7 @@ | ||||
| #ifndef FMT_PRINTF_H_ | ||||
| #define FMT_PRINTF_H_ | ||||
|  | ||||
| #include <algorithm>  // std::fill_n | ||||
| #include <algorithm>  // std::max | ||||
| #include <limits>     // std::numeric_limits | ||||
|  | ||||
| #include "ostream.h" | ||||
| @@ -16,15 +16,11 @@ | ||||
| FMT_BEGIN_NAMESPACE | ||||
| namespace internal { | ||||
|  | ||||
| // A helper function to suppress bogus "conditional expression is constant" | ||||
| // warnings. | ||||
| template <typename T> inline T const_check(T value) { return value; } | ||||
|  | ||||
| // Checks if a value fits in int - used to avoid warnings about comparing | ||||
| // signed and unsigned integers. | ||||
| template <bool IsSigned> struct int_checker { | ||||
|   template <typename T> static bool fits_in_int(T value) { | ||||
|     unsigned max = std::numeric_limits<int>::max(); | ||||
|     unsigned max = max_value<int>(); | ||||
|     return value <= max; | ||||
|   } | ||||
|   static bool fits_in_int(bool) { return true; } | ||||
| @@ -33,7 +29,7 @@ template <bool IsSigned> struct int_checker { | ||||
| template <> struct int_checker<true> { | ||||
|   template <typename T> static bool fits_in_int(T value) { | ||||
|     return value >= std::numeric_limits<int>::min() && | ||||
|            value <= std::numeric_limits<int>::max(); | ||||
|            value <= max_value<int>(); | ||||
|   } | ||||
|   static bool fits_in_int(int) { return true; } | ||||
| }; | ||||
| @@ -158,12 +154,12 @@ template <typename Char> class printf_width_handler { | ||||
|  | ||||
|   template <typename T, FMT_ENABLE_IF(std::is_integral<T>::value)> | ||||
|   unsigned operator()(T value) { | ||||
|     auto width = static_cast<uint32_or_64_t<T>>(value); | ||||
|     auto width = static_cast<uint32_or_64_or_128_t<T>>(value); | ||||
|     if (internal::is_negative(value)) { | ||||
|       specs_.align = align::left; | ||||
|       width = 0 - width; | ||||
|     } | ||||
|     unsigned int_max = std::numeric_limits<int>::max(); | ||||
|     unsigned int_max = max_value<int>(); | ||||
|     if (width > int_max) FMT_THROW(format_error("number is too big")); | ||||
|     return static_cast<unsigned>(width); | ||||
|   } | ||||
| @@ -235,7 +231,7 @@ class printf_arg_formatter : public internal::arg_formatter_base<Range> { | ||||
|   printf_arg_formatter(iterator iter, format_specs& specs, context_type& ctx) | ||||
|       : base(Range(iter), &specs, internal::locale_ref()), context_(ctx) {} | ||||
|  | ||||
|   template <typename T, FMT_ENABLE_IF(std::is_integral<T>::value)> | ||||
|   template <typename T, FMT_ENABLE_IF(fmt::internal::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. | ||||
| @@ -332,14 +328,14 @@ template <typename OutputIt, typename Char> class basic_printf_context { | ||||
|  | ||||
|   OutputIt out_; | ||||
|   basic_format_args<basic_printf_context> args_; | ||||
|   basic_parse_context<Char> parse_ctx_; | ||||
|   basic_format_parse_context<Char> parse_ctx_; | ||||
|  | ||||
|   static void parse_flags(format_specs& specs, const Char*& it, | ||||
|                           const Char* end); | ||||
|  | ||||
|   // Returns the argument with specified index or, if arg_index is equal | ||||
|   // to the maximum unsigned value, the next argument. | ||||
|   format_arg get_arg(unsigned arg_index = std::numeric_limits<unsigned>::max()); | ||||
|   format_arg get_arg(unsigned arg_index = internal::max_value<unsigned>()); | ||||
|  | ||||
|   // Parses argument index, flags and width and returns the argument index. | ||||
|   unsigned parse_header(const Char*& it, const Char* end, format_specs& specs); | ||||
| @@ -361,15 +357,14 @@ template <typename OutputIt, typename Char> class basic_printf_context { | ||||
|  | ||||
|   format_arg arg(unsigned id) const { return args_.get(id); } | ||||
|  | ||||
|   basic_parse_context<Char>& parse_context() { return parse_ctx_; } | ||||
|   basic_format_parse_context<Char>& parse_context() { return parse_ctx_; } | ||||
|  | ||||
|   FMT_CONSTEXPR void on_error(const char* message) { | ||||
|     parse_ctx_.on_error(message); | ||||
|   } | ||||
|  | ||||
|   /** Formats stored arguments and writes the output to the range. */ | ||||
|   template <typename ArgFormatter = | ||||
|                 printf_arg_formatter<internal::buffer_range<Char>>> | ||||
|   template <typename ArgFormatter = printf_arg_formatter<buffer_range<Char>>> | ||||
|   OutputIt format(); | ||||
| }; | ||||
|  | ||||
| @@ -403,7 +398,7 @@ void basic_printf_context<OutputIt, Char>::parse_flags(format_specs& specs, | ||||
| template <typename OutputIt, typename Char> | ||||
| typename basic_printf_context<OutputIt, Char>::format_arg | ||||
| basic_printf_context<OutputIt, Char>::get_arg(unsigned arg_index) { | ||||
|   if (arg_index == std::numeric_limits<unsigned>::max()) | ||||
|   if (arg_index == internal::max_value<unsigned>()) | ||||
|     arg_index = parse_ctx_.next_arg_id(); | ||||
|   else | ||||
|     parse_ctx_.check_arg_id(--arg_index); | ||||
| @@ -413,7 +408,7 @@ basic_printf_context<OutputIt, Char>::get_arg(unsigned arg_index) { | ||||
| template <typename OutputIt, typename Char> | ||||
| unsigned basic_printf_context<OutputIt, Char>::parse_header( | ||||
|     const Char*& it, const Char* end, format_specs& specs) { | ||||
|   unsigned arg_index = std::numeric_limits<unsigned>::max(); | ||||
|   unsigned arg_index = internal::max_value<unsigned>(); | ||||
|   char_type c = *it; | ||||
|   if (c >= '0' && c <= '9') { | ||||
|     // Parse an argument index (if followed by '$') or a width possibly | ||||
| @@ -470,6 +465,7 @@ OutputIt basic_printf_context<OutputIt, Char>::format() { | ||||
|  | ||||
|     // Parse argument index, flags and width. | ||||
|     unsigned arg_index = parse_header(it, end, specs); | ||||
|     if (arg_index == 0) on_error("argument index out of range"); | ||||
|  | ||||
|     // Parse precision. | ||||
|     if (it != end && *it == '.') { | ||||
|   | ||||
| @@ -246,7 +246,8 @@ template <typename T, typename Char> struct is_range { | ||||
|   static FMT_CONSTEXPR_DECL const bool value = | ||||
|       internal::is_range_<T>::value && | ||||
|       !internal::is_like_std_string<T>::value && | ||||
|       !std::is_convertible<T, std::basic_string<Char>>::value; | ||||
|       !std::is_convertible<T, std::basic_string<Char>>::value && | ||||
|       !std::is_constructible<internal::std_string_view<Char>, T>::value; | ||||
| }; | ||||
|  | ||||
| template <typename RangeT, typename Char> | ||||
| @@ -283,6 +284,82 @@ struct formatter<RangeT, Char, | ||||
|   } | ||||
| }; | ||||
|  | ||||
| template <typename Char, typename... T> struct tuple_arg_join : internal::view { | ||||
|   const std::tuple<T...>& tuple; | ||||
|   basic_string_view<Char> sep; | ||||
|  | ||||
|   tuple_arg_join(const std::tuple<T...>& t, basic_string_view<Char> s) | ||||
|       : tuple{t}, sep{s} {} | ||||
| }; | ||||
|  | ||||
| template <typename Char, typename... T> | ||||
| struct formatter<tuple_arg_join<Char, T...>, Char> { | ||||
|   template <typename ParseContext> | ||||
|   FMT_CONSTEXPR auto parse(ParseContext& ctx) -> decltype(ctx.begin()) { | ||||
|     return ctx.begin(); | ||||
|   } | ||||
|  | ||||
|   template <typename FormatContext> | ||||
|   typename FormatContext::iterator format( | ||||
|       const tuple_arg_join<Char, T...>& value, FormatContext& ctx) { | ||||
|     return format(value, ctx, internal::make_index_sequence<sizeof...(T)>{}); | ||||
|   } | ||||
|  | ||||
|  private: | ||||
|   template <typename FormatContext, size_t... N> | ||||
|   typename FormatContext::iterator format( | ||||
|       const tuple_arg_join<Char, T...>& value, FormatContext& ctx, | ||||
|       internal::index_sequence<N...>) { | ||||
|     return format_args(value, ctx, std::get<N>(value.tuple)...); | ||||
|   } | ||||
|  | ||||
|   template <typename FormatContext> | ||||
|   typename FormatContext::iterator format_args( | ||||
|       const tuple_arg_join<Char, T...>&, FormatContext& ctx) { | ||||
|     // NOTE: for compilers that support C++17, this empty function instantiation | ||||
|     // can be replaced with a constexpr branch in the variadic overload. | ||||
|     return ctx.out(); | ||||
|   } | ||||
|  | ||||
|   template <typename FormatContext, typename Arg, typename... Args> | ||||
|   typename FormatContext::iterator format_args( | ||||
|       const tuple_arg_join<Char, T...>& value, FormatContext& ctx, | ||||
|       const Arg& arg, const Args&... args) { | ||||
|     using base = formatter<typename std::decay<Arg>::type, Char>; | ||||
|     auto out = ctx.out(); | ||||
|     out = base{}.format(arg, ctx); | ||||
|     if (sizeof...(Args) > 0) { | ||||
|       out = std::copy(value.sep.begin(), value.sep.end(), out); | ||||
|       ctx.advance_to(out); | ||||
|       return format_args(value, ctx, args...); | ||||
|     } | ||||
|     return out; | ||||
|   } | ||||
| }; | ||||
|  | ||||
| /** | ||||
|   \rst | ||||
|   Returns an object that formats `tuple` with elements separated by `sep`. | ||||
|  | ||||
|   **Example**:: | ||||
|  | ||||
|     std::tuple<int, char> t = {1, 'a'}; | ||||
|     fmt::print("{}", fmt::join(t, ", ")); | ||||
|     // Output: "1, a" | ||||
|   \endrst | ||||
|  */ | ||||
| template <typename... T> | ||||
| FMT_CONSTEXPR tuple_arg_join<char, T...> join(const std::tuple<T...>& tuple, | ||||
|                                               string_view sep) { | ||||
|   return {tuple, sep}; | ||||
| } | ||||
|  | ||||
| template <typename... T> | ||||
| FMT_CONSTEXPR tuple_arg_join<wchar_t, T...> join(const std::tuple<T...>& tuple, | ||||
|                                                  wstring_view sep) { | ||||
|   return {tuple, sep}; | ||||
| } | ||||
|  | ||||
| FMT_END_NAMESPACE | ||||
|  | ||||
| #endif  // FMT_RANGES_H_ | ||||
|   | ||||
| @@ -1,293 +0,0 @@ | ||||
| /* | ||||
|  * For conversion between std::chrono::durations without undefined | ||||
|  * behaviour or erroneous results. | ||||
|  * This is a stripped down version of duration_cast, for inclusion in fmt. | ||||
|  * See https://github.com/pauldreik/safe_duration_cast | ||||
|  * | ||||
|  * Copyright Paul Dreik 2019 | ||||
|  * | ||||
|  * This file is licensed under the fmt license, see format.h | ||||
|  */ | ||||
|  | ||||
| #include <chrono> | ||||
| #include <cmath> | ||||
| #include <limits> | ||||
| #include <type_traits> | ||||
|  | ||||
| #include "format.h" | ||||
|  | ||||
| FMT_BEGIN_NAMESPACE | ||||
|  | ||||
| namespace safe_duration_cast { | ||||
|  | ||||
| template <typename To, typename From, | ||||
|           FMT_ENABLE_IF(!std::is_same<From, To>::value && | ||||
|                         std::numeric_limits<From>::is_signed == | ||||
|                             std::numeric_limits<To>::is_signed)> | ||||
| FMT_CONSTEXPR To lossless_integral_conversion(const From from, int& ec) { | ||||
|   ec = 0; | ||||
|   using F = std::numeric_limits<From>; | ||||
|   using T = std::numeric_limits<To>; | ||||
|   static_assert(F::is_integer, "From must be integral"); | ||||
|   static_assert(T::is_integer, "To must be integral"); | ||||
|  | ||||
|   // A and B are both signed, or both unsigned. | ||||
|   if (F::digits <= T::digits) { | ||||
|     // From fits in To without any problem. | ||||
|   } else { | ||||
|     // From does not always fit in To, resort to a dynamic check. | ||||
|     if (from < T::min() || from > T::max()) { | ||||
|       // outside range. | ||||
|       ec = 1; | ||||
|       return {}; | ||||
|     } | ||||
|   } | ||||
|   return static_cast<To>(from); | ||||
| } | ||||
|  | ||||
| /** | ||||
|  * converts From to To, without loss. If the dynamic value of from | ||||
|  * can't be converted to To without loss, ec is set. | ||||
|  */ | ||||
| template <typename To, typename From, | ||||
|           FMT_ENABLE_IF(!std::is_same<From, To>::value && | ||||
|                         std::numeric_limits<From>::is_signed != | ||||
|                             std::numeric_limits<To>::is_signed)> | ||||
| FMT_CONSTEXPR To lossless_integral_conversion(const From from, int& ec) { | ||||
|   ec = 0; | ||||
|   using F = std::numeric_limits<From>; | ||||
|   using T = std::numeric_limits<To>; | ||||
|   static_assert(F::is_integer, "From must be integral"); | ||||
|   static_assert(T::is_integer, "To must be integral"); | ||||
|  | ||||
|   if (F::is_signed && !T::is_signed) { | ||||
|     // From may be negative, not allowed! | ||||
|     if (from < 0) { | ||||
|       ec = 1; | ||||
|       return {}; | ||||
|     } | ||||
|  | ||||
|     // From is positive. Can it always fit in To? | ||||
|     if (F::digits <= T::digits) { | ||||
|       // yes, From always fits in To. | ||||
|     } else { | ||||
|       // from may not fit in To, we have to do a dynamic check | ||||
|       if (from > static_cast<From>(T::max())) { | ||||
|         ec = 1; | ||||
|         return {}; | ||||
|       } | ||||
|     } | ||||
|   } | ||||
|  | ||||
|   if (!F::is_signed && T::is_signed) { | ||||
|     // can from be held in To? | ||||
|     if (F::digits < T::digits) { | ||||
|       // yes, From always fits in To. | ||||
|     } else { | ||||
|       // from may not fit in To, we have to do a dynamic check | ||||
|       if (from > static_cast<From>(T::max())) { | ||||
|         // outside range. | ||||
|         ec = 1; | ||||
|         return {}; | ||||
|       } | ||||
|     } | ||||
|   } | ||||
|  | ||||
|   // reaching here means all is ok for lossless conversion. | ||||
|   return static_cast<To>(from); | ||||
|  | ||||
| }  // function | ||||
|  | ||||
| template <typename To, typename From, | ||||
|           FMT_ENABLE_IF(std::is_same<From, To>::value)> | ||||
| FMT_CONSTEXPR To lossless_integral_conversion(const From from, int& ec) { | ||||
|   ec = 0; | ||||
|   return from; | ||||
| }  // function | ||||
|  | ||||
| // clang-format off | ||||
| /** | ||||
|  * converts From to To if possible, otherwise ec is set. | ||||
|  * | ||||
|  * input                            |    output | ||||
|  * ---------------------------------|--------------- | ||||
|  * NaN                              | NaN | ||||
|  * Inf                              | Inf | ||||
|  * normal, fits in output           | converted (possibly lossy) | ||||
|  * normal, does not fit in output   | ec is set | ||||
|  * subnormal                        | best effort | ||||
|  * -Inf                             | -Inf | ||||
|  */ | ||||
| // clang-format on | ||||
| template <typename To, typename From, | ||||
|           FMT_ENABLE_IF(!std::is_same<From, To>::value)> | ||||
| FMT_CONSTEXPR To safe_float_conversion(const From from, int& ec) { | ||||
|   ec = 0; | ||||
|   using T = std::numeric_limits<To>; | ||||
|   static_assert(std::is_floating_point<From>::value, "From must be floating"); | ||||
|   static_assert(std::is_floating_point<To>::value, "To must be floating"); | ||||
|  | ||||
|   // catch the only happy case | ||||
|   if (std::isfinite(from)) { | ||||
|     if (from >= T::lowest() && from <= T::max()) { | ||||
|       return static_cast<To>(from); | ||||
|     } | ||||
|     // not within range. | ||||
|     ec = 1; | ||||
|     return {}; | ||||
|   } | ||||
|  | ||||
|   // nan and inf will be preserved | ||||
|   return static_cast<To>(from); | ||||
| }  // function | ||||
|  | ||||
| template <typename To, typename From, | ||||
|           FMT_ENABLE_IF(std::is_same<From, To>::value)> | ||||
| FMT_CONSTEXPR To safe_float_conversion(const From from, int& ec) { | ||||
|   ec = 0; | ||||
|   static_assert(std::is_floating_point<From>::value, "From must be floating"); | ||||
|   return from; | ||||
| } | ||||
|  | ||||
| /** | ||||
|  * safe duration cast between integral durations | ||||
|  */ | ||||
| template <typename To, typename FromRep, typename FromPeriod, | ||||
|           FMT_ENABLE_IF(std::is_integral<FromRep>::value), | ||||
|           FMT_ENABLE_IF(std::is_integral<typename To::rep>::value)> | ||||
| To safe_duration_cast(std::chrono::duration<FromRep, FromPeriod> from, | ||||
|                       int& ec) { | ||||
|   using From = std::chrono::duration<FromRep, FromPeriod>; | ||||
|   ec = 0; | ||||
|   // the basic idea is that we need to convert from count() in the from type | ||||
|   // to count() in the To type, by multiplying it with this: | ||||
|   using Factor = std::ratio_divide<typename From::period, typename To::period>; | ||||
|  | ||||
|   static_assert(Factor::num > 0, "num must be positive"); | ||||
|   static_assert(Factor::den > 0, "den must be positive"); | ||||
|  | ||||
|   // the conversion is like this: multiply from.count() with Factor::num | ||||
|   // /Factor::den and convert it to To::rep, all this without | ||||
|   // overflow/underflow. let's start by finding a suitable type that can hold | ||||
|   // both To, From and Factor::num | ||||
|   using IntermediateRep = | ||||
|       typename std::common_type<typename From::rep, typename To::rep, | ||||
|                                 decltype(Factor::num)>::type; | ||||
|  | ||||
|   // safe conversion to IntermediateRep | ||||
|   IntermediateRep count = | ||||
|       lossless_integral_conversion<IntermediateRep>(from.count(), ec); | ||||
|   if (ec) { | ||||
|     return {}; | ||||
|   } | ||||
|   // multiply with Factor::num without overflow or underflow | ||||
|   if (Factor::num != 1) { | ||||
|     constexpr auto max1 = | ||||
|         std::numeric_limits<IntermediateRep>::max() / Factor::num; | ||||
|     if (count > max1) { | ||||
|       ec = 1; | ||||
|       return {}; | ||||
|     } | ||||
|     constexpr auto min1 = | ||||
|         std::numeric_limits<IntermediateRep>::min() / Factor::num; | ||||
|     if (count < min1) { | ||||
|       ec = 1; | ||||
|       return {}; | ||||
|     } | ||||
|     count *= Factor::num; | ||||
|   } | ||||
|  | ||||
|   // this can't go wrong, right? den>0 is checked earlier. | ||||
|   if (Factor::den != 1) { | ||||
|     count /= Factor::den; | ||||
|   } | ||||
|   // convert to the to type, safely | ||||
|   using ToRep = typename To::rep; | ||||
|   const ToRep tocount = lossless_integral_conversion<ToRep>(count, ec); | ||||
|   if (ec) { | ||||
|     return {}; | ||||
|   } | ||||
|   return To{tocount}; | ||||
| } | ||||
|  | ||||
| /** | ||||
|  * safe duration_cast between floating point durations | ||||
|  */ | ||||
| template <typename To, typename FromRep, typename FromPeriod, | ||||
|           FMT_ENABLE_IF(std::is_floating_point<FromRep>::value), | ||||
|           FMT_ENABLE_IF(std::is_floating_point<typename To::rep>::value)> | ||||
| To safe_duration_cast(std::chrono::duration<FromRep, FromPeriod> from, | ||||
|                       int& ec) { | ||||
|   using From = std::chrono::duration<FromRep, FromPeriod>; | ||||
|   ec = 0; | ||||
|   if (std::isnan(from.count())) { | ||||
|     // nan in, gives nan out. easy. | ||||
|     return To{std::numeric_limits<typename To::rep>::quiet_NaN()}; | ||||
|   } | ||||
|   // maybe we should also check if from is denormal, and decide what to do about | ||||
|   // it. | ||||
|  | ||||
|   // +-inf should be preserved. | ||||
|   if (std::isinf(from.count())) { | ||||
|     return To{from.count()}; | ||||
|   } | ||||
|  | ||||
|   // the basic idea is that we need to convert from count() in the from type | ||||
|   // to count() in the To type, by multiplying it with this: | ||||
|   using Factor = std::ratio_divide<typename From::period, typename To::period>; | ||||
|  | ||||
|   static_assert(Factor::num > 0, "num must be positive"); | ||||
|   static_assert(Factor::den > 0, "den must be positive"); | ||||
|  | ||||
|   // the conversion is like this: multiply from.count() with Factor::num | ||||
|   // /Factor::den and convert it to To::rep, all this without | ||||
|   // overflow/underflow. let's start by finding a suitable type that can hold | ||||
|   // both To, From and Factor::num | ||||
|   using IntermediateRep = | ||||
|       typename std::common_type<typename From::rep, typename To::rep, | ||||
|                                 decltype(Factor::num)>::type; | ||||
|  | ||||
|   // force conversion of From::rep -> IntermediateRep to be safe, | ||||
|   // even if it will never happen be narrowing in this context. | ||||
|   IntermediateRep count = | ||||
|       safe_float_conversion<IntermediateRep>(from.count(), ec); | ||||
|   if (ec) { | ||||
|     return {}; | ||||
|   } | ||||
|  | ||||
|   // multiply with Factor::num without overflow or underflow | ||||
|   if (Factor::num != 1) { | ||||
|     constexpr auto max1 = std::numeric_limits<IntermediateRep>::max() / | ||||
|                           static_cast<IntermediateRep>(Factor::num); | ||||
|     if (count > max1) { | ||||
|       ec = 1; | ||||
|       return {}; | ||||
|     } | ||||
|     constexpr auto min1 = std::numeric_limits<IntermediateRep>::lowest() / | ||||
|                           static_cast<IntermediateRep>(Factor::num); | ||||
|     if (count < min1) { | ||||
|       ec = 1; | ||||
|       return {}; | ||||
|     } | ||||
|     count *= static_cast<IntermediateRep>(Factor::num); | ||||
|   } | ||||
|  | ||||
|   // this can't go wrong, right? den>0 is checked earlier. | ||||
|   if (Factor::den != 1) { | ||||
|     using common_t = typename std::common_type<IntermediateRep, intmax_t>::type; | ||||
|     count /= static_cast<common_t>(Factor::den); | ||||
|   } | ||||
|  | ||||
|   // convert to the to type, safely | ||||
|   using ToRep = typename To::rep; | ||||
|  | ||||
|   const ToRep tocount = safe_float_conversion<ToRep>(count, ec); | ||||
|   if (ec) { | ||||
|     return {}; | ||||
|   } | ||||
|   return To{tocount}; | ||||
| } | ||||
|  | ||||
| }  // namespace safe_duration_cast | ||||
|  | ||||
| FMT_END_NAMESPACE | ||||
							
								
								
									
										16
									
								
								third_party/spdlog/include/spdlog/fmt/fmt.h
									
									
									
									
										vendored
									
									
								
							
							
						
						
									
										16
									
								
								third_party/spdlog/include/spdlog/fmt/fmt.h
									
									
									
									
										vendored
									
									
								
							| @@ -10,6 +10,13 @@ | ||||
| // By default spdlog include its own copy. | ||||
| // | ||||
|  | ||||
| #if defined(__GNUC__) || defined(__clang__) | ||||
| #pragma GCC diagnostic push | ||||
| #pragma GCC diagnostic ignored "-Wimplicit-fallthrough" | ||||
| #pragma GCC diagnostic ignored "-Wsign-conversion" | ||||
| #endif // __GNUC__ || __clang__ | ||||
|  | ||||
|  | ||||
| #if !defined(SPDLOG_FMT_EXTERNAL) | ||||
| #ifdef SPDLOG_HEADER_ONLY | ||||
| #ifndef FMT_HEADER_ONLY | ||||
| @@ -22,6 +29,11 @@ | ||||
| #include "bundled/core.h" | ||||
| #include "bundled/format.h" | ||||
| #else // SPDLOG_FMT_EXTERNAL is defined - use external fmtlib | ||||
| #include "fmt/core.h" | ||||
| #include "fmt/format.h" | ||||
| #include <fmt/core.h> | ||||
| #include <fmt/format.h> | ||||
| #endif | ||||
|  | ||||
| // pop warnings supressions | ||||
| #if defined(__GNUC__) || defined(__clang__) | ||||
| #pragma GCC diagnostic pop | ||||
| #endif | ||||
|   | ||||
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