From be82279efd675f7561b17a69418ea0f496aa415e Mon Sep 17 00:00:00 2001 From: bert hubert Date: Mon, 22 Jul 2019 22:31:55 +0200 Subject: [PATCH] initial load --- Makefile | 14 + ext/fmt-5.2.1/README.md | 1 + ext/fmt-5.2.1/include/fmt/color.h | 278 ++ ext/fmt-5.2.1/include/fmt/core.h | 1502 ++++++++++ ext/fmt-5.2.1/include/fmt/format-inl.h | 866 ++++++ ext/fmt-5.2.1/include/fmt/format.h | 3720 ++++++++++++++++++++++++ ext/fmt-5.2.1/include/fmt/ostream.h | 157 + ext/fmt-5.2.1/include/fmt/posix.h | 324 +++ ext/fmt-5.2.1/include/fmt/printf.h | 726 +++++ ext/fmt-5.2.1/include/fmt/ranges.h | 308 ++ ext/fmt-5.2.1/include/fmt/time.h | 156 + ext/fmt-5.2.1/src/format.cc | 53 + ext/fmt-5.2.1/src/posix.cc | 244 ++ minread.cc | 52 + ubxparse.cc | 172 ++ 15 files changed, 8573 insertions(+) create mode 100644 Makefile create mode 100644 ext/fmt-5.2.1/README.md create mode 100644 ext/fmt-5.2.1/include/fmt/color.h create mode 100644 ext/fmt-5.2.1/include/fmt/core.h create mode 100644 ext/fmt-5.2.1/include/fmt/format-inl.h create mode 100644 ext/fmt-5.2.1/include/fmt/format.h create mode 100644 ext/fmt-5.2.1/include/fmt/ostream.h create mode 100644 ext/fmt-5.2.1/include/fmt/posix.h create mode 100644 ext/fmt-5.2.1/include/fmt/printf.h create mode 100644 ext/fmt-5.2.1/include/fmt/ranges.h create mode 100644 ext/fmt-5.2.1/include/fmt/time.h create mode 100644 ext/fmt-5.2.1/src/format.cc create mode 100644 ext/fmt-5.2.1/src/posix.cc create mode 100644 minread.cc create mode 100644 ubxparse.cc diff --git a/Makefile b/Makefile new file mode 100644 index 0000000..e67c4d0 --- /dev/null +++ b/Makefile @@ -0,0 +1,14 @@ +CXXFLAGS:= -std=gnu++17 -Wall -O3 -MMD -MP -ggdb -fno-omit-frame-pointer -Iext/fmt-5.2.1/include/ + +PROGRAMS = ubxparse + +all: $(PROGRAMS) + +-include *.d + +clean: + rm -f *~ *.o *.d ext/*/*.o $(PROGRAMS) + +ubxparse: ubxparse.o ext/fmt-5.2.1/src/format.o + g++ -std=gnu++17 $^ -o $@ -pthread + diff --git a/ext/fmt-5.2.1/README.md b/ext/fmt-5.2.1/README.md new file mode 100644 index 0000000..0673720 --- /dev/null +++ b/ext/fmt-5.2.1/README.md @@ -0,0 +1 @@ +This is fmt from https://github.com/fmtlib/fmt diff --git a/ext/fmt-5.2.1/include/fmt/color.h b/ext/fmt-5.2.1/include/fmt/color.h new file mode 100644 index 0000000..4973976 --- /dev/null +++ b/ext/fmt-5.2.1/include/fmt/color.h @@ -0,0 +1,278 @@ +// Formatting library for C++ - color support +// +// Copyright (c) 2018 - present, Victor Zverovich and fmt contributors +// All rights reserved. +// +// For the license information refer to format.h. + +#ifndef FMT_COLOR_H_ +#define FMT_COLOR_H_ + +#include "format.h" + +FMT_BEGIN_NAMESPACE + +#ifdef FMT_DEPRECATED_COLORS + +// color and (v)print_colored are deprecated. +enum color { black, red, green, yellow, blue, magenta, cyan, white }; +FMT_API void vprint_colored(color c, string_view format, format_args args); +FMT_API void vprint_colored(color c, wstring_view format, wformat_args args); +template +inline void print_colored(color c, string_view format_str, + const Args & ... args) { + vprint_colored(c, format_str, make_format_args(args...)); +} +template +inline void print_colored(color c, wstring_view format_str, + const Args & ... args) { + vprint_colored(c, format_str, make_format_args(args...)); +} + +inline void vprint_colored(color c, string_view format, format_args args) { + char escape[] = "\x1b[30m"; + escape[3] = static_cast('0' + c); + std::fputs(escape, stdout); + vprint(format, args); + std::fputs(internal::data::RESET_COLOR, stdout); +} + +inline void vprint_colored(color c, wstring_view format, wformat_args args) { + wchar_t escape[] = L"\x1b[30m"; + escape[3] = static_cast('0' + c); + std::fputws(escape, stdout); + vprint(format, args); + std::fputws(internal::data::WRESET_COLOR, stdout); +} + +#else + +// Experimental color support. +enum class color : uint32_t { + alice_blue = 0xF0F8FF, // rgb(240,248,255) + antique_white = 0xFAEBD7, // rgb(250,235,215) + aqua = 0x00FFFF, // rgb(0,255,255) + aquamarine = 0x7FFFD4, // rgb(127,255,212) + azure = 0xF0FFFF, // rgb(240,255,255) + beige = 0xF5F5DC, // rgb(245,245,220) + bisque = 0xFFE4C4, // rgb(255,228,196) + black = 0x000000, // rgb(0,0,0) + blanched_almond = 0xFFEBCD, // rgb(255,235,205) + blue = 0x0000FF, // rgb(0,0,255) + blue_violet = 0x8A2BE2, // rgb(138,43,226) + brown = 0xA52A2A, // rgb(165,42,42) + burly_wood = 0xDEB887, // rgb(222,184,135) + cadet_blue = 0x5F9EA0, // rgb(95,158,160) + chartreuse = 0x7FFF00, // rgb(127,255,0) + chocolate = 0xD2691E, // rgb(210,105,30) + coral = 0xFF7F50, // rgb(255,127,80) + cornflower_blue = 0x6495ED, // rgb(100,149,237) + cornsilk = 0xFFF8DC, // rgb(255,248,220) + crimson = 0xDC143C, // rgb(220,20,60) + cyan = 0x00FFFF, // rgb(0,255,255) + dark_blue = 0x00008B, // rgb(0,0,139) + dark_cyan = 0x008B8B, // rgb(0,139,139) + dark_golden_rod = 0xB8860B, // rgb(184,134,11) + dark_gray = 0xA9A9A9, // rgb(169,169,169) + dark_green = 0x006400, // rgb(0,100,0) + dark_khaki = 0xBDB76B, // rgb(189,183,107) + dark_magenta = 0x8B008B, // rgb(139,0,139) + dark_olive_green = 0x556B2F, // rgb(85,107,47) + dark_orange = 0xFF8C00, // rgb(255,140,0) + dark_orchid = 0x9932CC, // rgb(153,50,204) + dark_red = 0x8B0000, // rgb(139,0,0) + dark_salmon = 0xE9967A, // rgb(233,150,122) + dark_sea_green = 0x8FBC8F, // rgb(143,188,143) + dark_slate_blue = 0x483D8B, // rgb(72,61,139) + dark_slate_gray = 0x2F4F4F, // rgb(47,79,79) + dark_turquoise = 0x00CED1, // rgb(0,206,209) + dark_violet = 0x9400D3, // rgb(148,0,211) + deep_pink = 0xFF1493, // rgb(255,20,147) + deep_sky_blue = 0x00BFFF, // rgb(0,191,255) + dim_gray = 0x696969, // rgb(105,105,105) + dodger_blue = 0x1E90FF, // rgb(30,144,255) + fire_brick = 0xB22222, // rgb(178,34,34) + floral_white = 0xFFFAF0, // rgb(255,250,240) + forest_green = 0x228B22, // rgb(34,139,34) + fuchsia = 0xFF00FF, // rgb(255,0,255) + gainsboro = 0xDCDCDC, // rgb(220,220,220) + ghost_white = 0xF8F8FF, // rgb(248,248,255) + gold = 0xFFD700, // rgb(255,215,0) + golden_rod = 0xDAA520, // rgb(218,165,32) + gray = 0x808080, // rgb(128,128,128) + green = 0x008000, // rgb(0,128,0) + green_yellow = 0xADFF2F, // rgb(173,255,47) + honey_dew = 0xF0FFF0, // rgb(240,255,240) + hot_pink = 0xFF69B4, // rgb(255,105,180) + indian_red = 0xCD5C5C, // rgb(205,92,92) + indigo = 0x4B0082, // rgb(75,0,130) + ivory = 0xFFFFF0, // rgb(255,255,240) + khaki = 0xF0E68C, // rgb(240,230,140) + lavender = 0xE6E6FA, // rgb(230,230,250) + lavender_blush = 0xFFF0F5, // rgb(255,240,245) + lawn_green = 0x7CFC00, // rgb(124,252,0) + lemon_chiffon = 0xFFFACD, // rgb(255,250,205) + light_blue = 0xADD8E6, // rgb(173,216,230) + light_coral = 0xF08080, // rgb(240,128,128) + light_cyan = 0xE0FFFF, // rgb(224,255,255) + light_golden_rod_yellow = 0xFAFAD2, // rgb(250,250,210) + light_gray = 0xD3D3D3, // rgb(211,211,211) + light_green = 0x90EE90, // rgb(144,238,144) + light_pink = 0xFFB6C1, // rgb(255,182,193) + light_salmon = 0xFFA07A, // rgb(255,160,122) + light_sea_green = 0x20B2AA, // rgb(32,178,170) + light_sky_blue = 0x87CEFA, // rgb(135,206,250) + light_slate_gray = 0x778899, // rgb(119,136,153) + light_steel_blue = 0xB0C4DE, // rgb(176,196,222) + light_yellow = 0xFFFFE0, // rgb(255,255,224) + lime = 0x00FF00, // rgb(0,255,0) + lime_green = 0x32CD32, // rgb(50,205,50) + linen = 0xFAF0E6, // rgb(250,240,230) + magenta = 0xFF00FF, // rgb(255,0,255) + maroon = 0x800000, // rgb(128,0,0) + medium_aquamarine = 0x66CDAA, // rgb(102,205,170) + medium_blue = 0x0000CD, // rgb(0,0,205) + medium_orchid = 0xBA55D3, // rgb(186,85,211) + medium_purple = 0x9370DB, // rgb(147,112,219) + medium_sea_green = 0x3CB371, // rgb(60,179,113) + medium_slate_blue = 0x7B68EE, // rgb(123,104,238) + medium_spring_green = 0x00FA9A, // rgb(0,250,154) + medium_turquoise = 0x48D1CC, // rgb(72,209,204) + medium_violet_red = 0xC71585, // rgb(199,21,133) + midnight_blue = 0x191970, // rgb(25,25,112) + mint_cream = 0xF5FFFA, // rgb(245,255,250) + misty_rose = 0xFFE4E1, // rgb(255,228,225) + moccasin = 0xFFE4B5, // rgb(255,228,181) + navajo_white = 0xFFDEAD, // rgb(255,222,173) + navy = 0x000080, // rgb(0,0,128) + old_lace = 0xFDF5E6, // rgb(253,245,230) + olive = 0x808000, // rgb(128,128,0) + olive_drab = 0x6B8E23, // rgb(107,142,35) + orange = 0xFFA500, // rgb(255,165,0) + orange_red = 0xFF4500, // rgb(255,69,0) + orchid = 0xDA70D6, // rgb(218,112,214) + pale_golden_rod = 0xEEE8AA, // rgb(238,232,170) + pale_green = 0x98FB98, // rgb(152,251,152) + pale_turquoise = 0xAFEEEE, // rgb(175,238,238) + pale_violet_red = 0xDB7093, // rgb(219,112,147) + papaya_whip = 0xFFEFD5, // rgb(255,239,213) + peach_puff = 0xFFDAB9, // rgb(255,218,185) + peru = 0xCD853F, // rgb(205,133,63) + pink = 0xFFC0CB, // rgb(255,192,203) + plum = 0xDDA0DD, // rgb(221,160,221) + powder_blue = 0xB0E0E6, // rgb(176,224,230) + purple = 0x800080, // rgb(128,0,128) + rebecca_purple = 0x663399, // rgb(102,51,153) + red = 0xFF0000, // rgb(255,0,0) + rosy_brown = 0xBC8F8F, // rgb(188,143,143) + royal_blue = 0x4169E1, // rgb(65,105,225) + saddle_brown = 0x8B4513, // rgb(139,69,19) + salmon = 0xFA8072, // rgb(250,128,114) + sandy_brown = 0xF4A460, // rgb(244,164,96) + sea_green = 0x2E8B57, // rgb(46,139,87) + sea_shell = 0xFFF5EE, // rgb(255,245,238) + sienna = 0xA0522D, // rgb(160,82,45) + silver = 0xC0C0C0, // rgb(192,192,192) + sky_blue = 0x87CEEB, // rgb(135,206,235) + slate_blue = 0x6A5ACD, // rgb(106,90,205) + slate_gray = 0x708090, // rgb(112,128,144) + snow = 0xFFFAFA, // rgb(255,250,250) + spring_green = 0x00FF7F, // rgb(0,255,127) + steel_blue = 0x4682B4, // rgb(70,130,180) + tan = 0xD2B48C, // rgb(210,180,140) + teal = 0x008080, // rgb(0,128,128) + thistle = 0xD8BFD8, // rgb(216,191,216) + tomato = 0xFF6347, // rgb(255,99,71) + turquoise = 0x40E0D0, // rgb(64,224,208) + violet = 0xEE82EE, // rgb(238,130,238) + wheat = 0xF5DEB3, // rgb(245,222,179) + white = 0xFFFFFF, // rgb(255,255,255) + white_smoke = 0xF5F5F5, // rgb(245,245,245) + yellow = 0xFFFF00, // rgb(255,255,0) + yellow_green = 0x9ACD32, // rgb(154,205,50) +}; // enum class color + +// rgb is a struct for red, green and blue colors. +// We use rgb as name because some editors will show it as color direct in the +// editor. +struct rgb { + FMT_CONSTEXPR_DECL rgb() : r(0), g(0), b(0) {} + FMT_CONSTEXPR_DECL rgb(uint8_t r_, uint8_t g_, uint8_t b_) + : r(r_), g(g_), b(b_) {} + FMT_CONSTEXPR_DECL rgb(uint32_t hex) + : r((hex >> 16) & 0xFF), g((hex >> 8) & 0xFF), b((hex) & 0xFF) {} + FMT_CONSTEXPR_DECL rgb(color hex) + : r((uint32_t(hex) >> 16) & 0xFF), g((uint32_t(hex) >> 8) & 0xFF), + b(uint32_t(hex) & 0xFF) {} + uint8_t r; + uint8_t g; + uint8_t b; +}; + +void vprint_rgb(rgb fd, string_view format, format_args args); +void vprint_rgb(rgb fd, rgb bg, string_view format, format_args args); + +/** + Formats a string and prints it to stdout using ANSI escape sequences to + specify foreground color 'fd'. + Example: + fmt::print(fmt::color::red, "Elapsed time: {0:.2f} seconds", 1.23); + */ +template +inline void print(rgb fd, string_view format_str, const Args & ... args) { + vprint_rgb(fd, format_str, make_format_args(args...)); +} + +/** + Formats a string and prints it to stdout using ANSI escape sequences to + specify foreground color 'fd' and background color 'bg'. + Example: + fmt::print(fmt::color::red, fmt::color::black, + "Elapsed time: {0:.2f} seconds", 1.23); + */ +template +inline void print(rgb fd, rgb bg, string_view format_str, + const Args & ... args) { + vprint_rgb(fd, bg, format_str, make_format_args(args...)); +} +namespace internal { +FMT_CONSTEXPR void to_esc(uint8_t c, char out[], int offset) { + out[offset + 0] = static_cast('0' + c / 100); + out[offset + 1] = static_cast('0' + c / 10 % 10); + out[offset + 2] = static_cast('0' + c % 10); +} +} // namespace internal + +inline void vprint_rgb(rgb fd, string_view format, format_args args) { + char escape_fd[] = "\x1b[38;2;000;000;000m"; + internal::to_esc(fd.r, escape_fd, 7); + internal::to_esc(fd.g, escape_fd, 11); + internal::to_esc(fd.b, escape_fd, 15); + + std::fputs(escape_fd, stdout); + vprint(format, args); + std::fputs(internal::data::RESET_COLOR, stdout); +} + +inline void vprint_rgb(rgb fd, rgb bg, string_view format, format_args args) { + char escape_fd[] = "\x1b[38;2;000;000;000m"; // foreground color + char escape_bg[] = "\x1b[48;2;000;000;000m"; // background color + internal::to_esc(fd.r, escape_fd, 7); + internal::to_esc(fd.g, escape_fd, 11); + internal::to_esc(fd.b, escape_fd, 15); + + internal::to_esc(bg.r, escape_bg, 7); + internal::to_esc(bg.g, escape_bg, 11); + internal::to_esc(bg.b, escape_bg, 15); + + std::fputs(escape_fd, stdout); + std::fputs(escape_bg, stdout); + vprint(format, args); + std::fputs(internal::data::RESET_COLOR, stdout); +} + +#endif + +FMT_END_NAMESPACE + +#endif // FMT_COLOR_H_ diff --git a/ext/fmt-5.2.1/include/fmt/core.h b/ext/fmt-5.2.1/include/fmt/core.h new file mode 100644 index 0000000..5912afe --- /dev/null +++ b/ext/fmt-5.2.1/include/fmt/core.h @@ -0,0 +1,1502 @@ +// Formatting library for C++ - the core API +// +// Copyright (c) 2012 - present, Victor Zverovich +// All rights reserved. +// +// For the license information refer to format.h. + +#ifndef FMT_CORE_H_ +#define FMT_CORE_H_ + +#include +#include // std::FILE +#include +#include +#include +#include + +// The fmt library version in the form major * 10000 + minor * 100 + patch. +#define FMT_VERSION 50201 + +#ifdef __has_feature +# define FMT_HAS_FEATURE(x) __has_feature(x) +#else +# define FMT_HAS_FEATURE(x) 0 +#endif + +#if defined(__has_include) && !defined(__INTELLISENSE__) && \ + (!defined(__INTEL_COMPILER) || __INTEL_COMPILER >= 1600) +# define FMT_HAS_INCLUDE(x) __has_include(x) +#else +# define FMT_HAS_INCLUDE(x) 0 +#endif + +#ifdef __has_cpp_attribute +# define FMT_HAS_CPP_ATTRIBUTE(x) __has_cpp_attribute(x) +#else +# define FMT_HAS_CPP_ATTRIBUTE(x) 0 +#endif + +#if defined(__GNUC__) && !defined(__clang__) +# define FMT_GCC_VERSION (__GNUC__ * 100 + __GNUC_MINOR__) +#else +# define FMT_GCC_VERSION 0 +#endif + +#if __cplusplus >= 201103L || defined(__GXX_EXPERIMENTAL_CXX0X__) +# define FMT_HAS_GXX_CXX11 FMT_GCC_VERSION +#else +# define FMT_HAS_GXX_CXX11 0 +#endif + +#ifdef _MSC_VER +# define FMT_MSC_VER _MSC_VER +#else +# define FMT_MSC_VER 0 +#endif + +// Check if relaxed C++14 constexpr is supported. +// GCC doesn't allow throw in constexpr until version 6 (bug 67371). +#ifndef FMT_USE_CONSTEXPR +# define FMT_USE_CONSTEXPR \ + (FMT_HAS_FEATURE(cxx_relaxed_constexpr) || FMT_MSC_VER >= 1910 || \ + (FMT_GCC_VERSION >= 600 && __cplusplus >= 201402L)) +#endif +#if FMT_USE_CONSTEXPR +# define FMT_CONSTEXPR constexpr +# define FMT_CONSTEXPR_DECL constexpr +#else +# define FMT_CONSTEXPR inline +# define FMT_CONSTEXPR_DECL +#endif + +#ifndef FMT_USE_CONSTEXPR11 +# define FMT_USE_CONSTEXPR11 \ + (FMT_MSC_VER >= 1900 || FMT_GCC_VERSION >= 406 || FMT_USE_CONSTEXPR) +#endif +#if FMT_USE_CONSTEXPR11 +# define FMT_CONSTEXPR11 constexpr +#else +# define FMT_CONSTEXPR11 +#endif + +#ifndef FMT_OVERRIDE +# if FMT_HAS_FEATURE(cxx_override) || \ + (FMT_GCC_VERSION >= 408 && FMT_HAS_GXX_CXX11) || FMT_MSC_VER >= 1900 +# define FMT_OVERRIDE override +# else +# define FMT_OVERRIDE +# endif +#endif + +#if FMT_HAS_FEATURE(cxx_explicit_conversions) || FMT_MSC_VER >= 1800 +# define FMT_EXPLICIT explicit +#else +# define FMT_EXPLICIT +#endif + +#ifndef FMT_NULL +# if FMT_HAS_FEATURE(cxx_nullptr) || \ + (FMT_GCC_VERSION >= 408 && FMT_HAS_GXX_CXX11) || FMT_MSC_VER >= 1600 +# define FMT_NULL nullptr +# define FMT_USE_NULLPTR 1 +# else +# define FMT_NULL NULL +# endif +#endif + +#ifndef FMT_USE_NULLPTR +# define FMT_USE_NULLPTR 0 +#endif + +#if FMT_HAS_CPP_ATTRIBUTE(noreturn) +# define FMT_NORETURN [[noreturn]] +#else +# define FMT_NORETURN +#endif + +// Check if exceptions are disabled. +#if defined(__GNUC__) && !defined(__EXCEPTIONS) +# define FMT_EXCEPTIONS 0 +#elif FMT_MSC_VER && !_HAS_EXCEPTIONS +# define FMT_EXCEPTIONS 0 +#endif +#ifndef FMT_EXCEPTIONS +# define FMT_EXCEPTIONS 1 +#endif + +// Define FMT_USE_NOEXCEPT to make fmt use noexcept (C++11 feature). +#ifndef FMT_USE_NOEXCEPT +# define FMT_USE_NOEXCEPT 0 +#endif + +#if FMT_USE_NOEXCEPT || FMT_HAS_FEATURE(cxx_noexcept) || \ + (FMT_GCC_VERSION >= 408 && FMT_HAS_GXX_CXX11) || FMT_MSC_VER >= 1900 +# define FMT_DETECTED_NOEXCEPT noexcept +# define FMT_HAS_CXX11_NOEXCEPT 1 +#else +# define FMT_DETECTED_NOEXCEPT throw() +# define FMT_HAS_CXX11_NOEXCEPT 0 +#endif + +#ifndef FMT_NOEXCEPT +# if FMT_EXCEPTIONS || FMT_HAS_CXX11_NOEXCEPT +# define FMT_NOEXCEPT FMT_DETECTED_NOEXCEPT +# else +# define FMT_NOEXCEPT +# endif +#endif + +// This is needed because GCC still uses throw() in its headers when exceptions +// are disabled. +#if FMT_GCC_VERSION +# define FMT_DTOR_NOEXCEPT FMT_DETECTED_NOEXCEPT +#else +# define FMT_DTOR_NOEXCEPT FMT_NOEXCEPT +#endif + +#ifndef FMT_BEGIN_NAMESPACE +# if FMT_HAS_FEATURE(cxx_inline_namespaces) || FMT_GCC_VERSION >= 404 || \ + FMT_MSC_VER >= 1900 +# define FMT_INLINE_NAMESPACE inline namespace +# define FMT_END_NAMESPACE }} +# else +# define FMT_INLINE_NAMESPACE namespace +# define FMT_END_NAMESPACE } using namespace v5; } +# endif +# define FMT_BEGIN_NAMESPACE namespace fmt { FMT_INLINE_NAMESPACE v5 { +#endif + +#if !defined(FMT_HEADER_ONLY) && defined(_WIN32) +# ifdef FMT_EXPORT +# define FMT_API __declspec(dllexport) +# elif defined(FMT_SHARED) +# define FMT_API __declspec(dllimport) +# endif +#endif +#ifndef FMT_API +# define FMT_API +#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() && \ + (__cplusplus > 201402L || defined(_LIBCPP_VERSION))) || \ + (defined(_MSVC_LANG) && _MSVC_LANG > 201402L && _MSC_VER >= 1910) +# include +# define FMT_USE_STD_STRING_VIEW +#elif (FMT_HAS_INCLUDE() && \ + __cplusplus >= 201402L) +# include +# define FMT_USE_EXPERIMENTAL_STRING_VIEW +#endif + +// std::result_of is defined in in gcc 4.4. +#if FMT_GCC_VERSION && FMT_GCC_VERSION <= 404 +# include +#endif + +FMT_BEGIN_NAMESPACE +namespace internal { + +// An implementation of declval for pre-C++11 compilers such as gcc 4. +template +typename std::add_rvalue_reference::type declval() FMT_NOEXCEPT; + +template +struct result_of; + +template +struct result_of { + // A workaround for gcc 4.4 that doesn't allow F to be a reference. + typedef typename std::result_of< + typename std::remove_reference::type(Args...)>::type type; +}; + +// Casts nonnegative integer to unsigned. +template +FMT_CONSTEXPR typename std::make_unsigned::type to_unsigned(Int value) { + FMT_ASSERT(value >= 0, "negative value"); + return static_cast::type>(value); +} + +// A constexpr std::char_traits::length replacement for pre-C++17. +template +FMT_CONSTEXPR size_t length(const Char *s) { + const Char *start = s; + while (*s) ++s; + return s - start; +} +#if FMT_GCC_VERSION +FMT_CONSTEXPR size_t length(const char *s) { return std::strlen(s); } +#endif +} // namespace internal + +/** + An implementation of ``std::basic_string_view`` for pre-C++17. It provides a + subset of the API. ``fmt::basic_string_view`` is used for format strings even + if ``std::string_view`` is available to prevent issues when a library is + compiled with a different ``-std`` option than the client code (which is not + recommended). + */ +template +class basic_string_view { + private: + const Char *data_; + size_t size_; + + public: + typedef Char char_type; + typedef const Char *iterator; + + // Standard basic_string_view type. +#if defined(FMT_USE_STD_STRING_VIEW) + typedef std::basic_string_view type; +#elif defined(FMT_USE_EXPERIMENTAL_STRING_VIEW) + typedef std::experimental::basic_string_view type; +#else + struct type { + const char *data() const { return FMT_NULL; } + size_t size() const { return 0; } + }; +#endif + + FMT_CONSTEXPR basic_string_view() FMT_NOEXCEPT : data_(FMT_NULL), size_(0) {} + + /** Constructs a string reference object from a C string and a size. */ + FMT_CONSTEXPR basic_string_view(const Char *s, size_t count) FMT_NOEXCEPT + : data_(s), size_(count) {} + + /** + \rst + Constructs a string reference object from a C string computing + the size with ``std::char_traits::length``. + \endrst + */ + FMT_CONSTEXPR basic_string_view(const Char *s) + : data_(s), size_(internal::length(s)) {} + + /** Constructs a string reference from a ``std::basic_string`` object. */ + template + FMT_CONSTEXPR basic_string_view( + const std::basic_string &s) FMT_NOEXCEPT + : data_(s.data()), size_(s.size()) {} + + FMT_CONSTEXPR basic_string_view(type s) FMT_NOEXCEPT + : data_(s.data()), size_(s.size()) {} + + /** Returns a pointer to the string data. */ + FMT_CONSTEXPR const Char *data() const { return data_; } + + /** Returns the string size. */ + FMT_CONSTEXPR size_t size() const { return size_; } + + FMT_CONSTEXPR iterator begin() const { return data_; } + FMT_CONSTEXPR iterator end() const { return data_ + size_; } + + FMT_CONSTEXPR void remove_prefix(size_t n) { + data_ += n; + size_ -= n; + } + + // Lexicographically compare this string reference to other. + int compare(basic_string_view other) const { + size_t str_size = size_ < other.size_ ? size_ : other.size_; + int result = std::char_traits::compare(data_, other.data_, str_size); + if (result == 0) + result = size_ == other.size_ ? 0 : (size_ < other.size_ ? -1 : 1); + return result; + } + + friend bool operator==(basic_string_view lhs, basic_string_view rhs) { + return lhs.compare(rhs) == 0; + } + friend bool operator!=(basic_string_view lhs, basic_string_view rhs) { + return lhs.compare(rhs) != 0; + } + friend bool operator<(basic_string_view lhs, basic_string_view rhs) { + return lhs.compare(rhs) < 0; + } + friend bool operator<=(basic_string_view lhs, basic_string_view rhs) { + return lhs.compare(rhs) <= 0; + } + friend bool operator>(basic_string_view lhs, basic_string_view rhs) { + return lhs.compare(rhs) > 0; + } + friend bool operator>=(basic_string_view lhs, basic_string_view rhs) { + return lhs.compare(rhs) >= 0; + } +}; + +typedef basic_string_view string_view; +typedef basic_string_view wstring_view; + +template +class basic_format_arg; + +template +class basic_format_args; + +template +struct no_formatter_error : std::false_type {}; + +// A formatter for objects of type T. +template +struct formatter { + static_assert(no_formatter_error::value, + "don't know how to format the type, include fmt/ostream.h if it provides " + "an operator<< that should be used"); + + // The following functions are not defined intentionally. + template + typename ParseContext::iterator parse(ParseContext &); + template + auto format(const T &val, FormatContext &ctx) -> decltype(ctx.out()); +}; + +template +struct convert_to_int { + enum { + value = !std::is_arithmetic::value && std::is_convertible::value + }; +}; + +namespace internal { + +/** A contiguous memory buffer with an optional growing ability. */ +template +class basic_buffer { + private: + basic_buffer(const basic_buffer &) = delete; + void operator=(const basic_buffer &) = delete; + + T *ptr_; + std::size_t size_; + std::size_t capacity_; + + protected: + // Don't initialize ptr_ since it is not accessed to save a few cycles. + basic_buffer(std::size_t sz) FMT_NOEXCEPT: size_(sz), capacity_(sz) {} + + basic_buffer(T *p = FMT_NULL, std::size_t sz = 0, std::size_t cap = 0) + FMT_NOEXCEPT: ptr_(p), size_(sz), capacity_(cap) {} + + /** Sets the buffer data and capacity. */ + void set(T *buf_data, std::size_t buf_capacity) FMT_NOEXCEPT { + ptr_ = buf_data; + capacity_ = buf_capacity; + } + + /** Increases the buffer capacity to hold at least *capacity* elements. */ + virtual void grow(std::size_t capacity) = 0; + + public: + typedef T value_type; + typedef const T &const_reference; + + virtual ~basic_buffer() {} + + T *begin() FMT_NOEXCEPT { return ptr_; } + T *end() FMT_NOEXCEPT { return ptr_ + size_; } + + /** Returns the size of this buffer. */ + std::size_t size() const FMT_NOEXCEPT { return size_; } + + /** Returns the capacity of this buffer. */ + std::size_t capacity() const FMT_NOEXCEPT { return capacity_; } + + /** Returns a pointer to the buffer data. */ + T *data() FMT_NOEXCEPT { return ptr_; } + + /** Returns a pointer to the buffer data. */ + const T *data() const FMT_NOEXCEPT { return ptr_; } + + /** + Resizes the buffer. If T is a POD type new elements may not be initialized. + */ + void resize(std::size_t new_size) { + reserve(new_size); + size_ = new_size; + } + + /** Clears this buffer. */ + void clear() { size_ = 0; } + + /** Reserves space to store at least *capacity* elements. */ + void reserve(std::size_t new_capacity) { + if (new_capacity > capacity_) + grow(new_capacity); + } + + void push_back(const T &value) { + reserve(size_ + 1); + ptr_[size_++] = value; + } + + /** Appends data to the end of the buffer. */ + template + void append(const U *begin, const U *end); + + T &operator[](std::size_t index) { return ptr_[index]; } + const T &operator[](std::size_t index) const { return ptr_[index]; } +}; + +typedef basic_buffer buffer; +typedef basic_buffer wbuffer; + +// A container-backed buffer. +template +class container_buffer : public basic_buffer { + private: + Container &container_; + + protected: + void grow(std::size_t capacity) FMT_OVERRIDE { + container_.resize(capacity); + this->set(&container_[0], capacity); + } + + public: + explicit container_buffer(Container &c) + : basic_buffer(c.size()), container_(c) {} +}; + +struct error_handler { + FMT_CONSTEXPR error_handler() {} + FMT_CONSTEXPR error_handler(const error_handler &) {} + + // This function is intentionally not constexpr to give a compile-time error. + FMT_API void on_error(const char *message); +}; + +// Formatting of wide characters and strings into a narrow output is disallowed: +// fmt::format("{}", L"test"); // error +// To fix this, use a wide format string: +// fmt::format(L"{}", L"test"); +template +inline void require_wchar() { + static_assert( + std::is_same::value, + "formatting of wide characters into a narrow output is disallowed"); +} + +template +struct named_arg_base; + +template +struct named_arg; + +template +struct is_named_arg : std::false_type {}; + +template +struct is_named_arg> : std::true_type {}; + +enum type { + none_type, named_arg_type, + // Integer types should go first, + int_type, uint_type, long_long_type, ulong_long_type, bool_type, char_type, + last_integer_type = char_type, + // followed by floating-point types. + double_type, long_double_type, last_numeric_type = long_double_type, + cstring_type, string_type, pointer_type, custom_type +}; + +FMT_CONSTEXPR bool is_integral(type t) { + FMT_ASSERT(t != internal::named_arg_type, "invalid argument type"); + return t > internal::none_type && t <= internal::last_integer_type; +} + +FMT_CONSTEXPR bool is_arithmetic(type t) { + FMT_ASSERT(t != internal::named_arg_type, "invalid argument type"); + return t > internal::none_type && t <= internal::last_numeric_type; +} + +template +struct string_value { + const Char *value; + std::size_t size; +}; + +template +struct custom_value { + const void *value; + void (*format)(const void *arg, Context &ctx); +}; + +// A formatting argument value. +template +class value { + public: + typedef typename Context::char_type char_type; + + union { + int int_value; + unsigned uint_value; + long long long_long_value; + unsigned long long ulong_long_value; + double double_value; + long double long_double_value; + const void *pointer; + string_value string; + string_value sstring; + string_value ustring; + custom_value custom; + }; + + FMT_CONSTEXPR value(int val = 0) : int_value(val) {} + value(unsigned val) { uint_value = val; } + value(long long val) { long_long_value = val; } + value(unsigned long long val) { ulong_long_value = val; } + value(double val) { double_value = val; } + value(long double val) { long_double_value = val; } + value(const char_type *val) { string.value = val; } + value(const signed char *val) { + static_assert(std::is_same::value, + "incompatible string types"); + sstring.value = val; + } + value(const unsigned char *val) { + static_assert(std::is_same::value, + "incompatible string types"); + ustring.value = val; + } + value(basic_string_view val) { + string.value = val.data(); + string.size = val.size(); + } + value(const void *val) { pointer = val; } + + template + explicit value(const T &val) { + custom.value = &val; + custom.format = &format_custom_arg; + } + + const named_arg_base &as_named_arg() { + return *static_cast*>(pointer); + } + + private: + // Formats an argument of a custom type, such as a user-defined class. + template + static void format_custom_arg(const void *arg, Context &ctx) { + // Get the formatter type through the context to allow different contexts + // have different extension points, e.g. `formatter` for `format` and + // `printf_formatter` for `printf`. + typename Context::template formatter_type::type f; + auto &&parse_ctx = ctx.parse_context(); + parse_ctx.advance_to(f.parse(parse_ctx)); + ctx.advance_to(f.format(*static_cast(arg), ctx)); + } +}; + +// Value initializer used to delay conversion to value and reduce memory churn. +template +struct init { + T val; + static const type type_tag = TYPE; + + FMT_CONSTEXPR init(const T &v) : val(v) {} + FMT_CONSTEXPR operator value() const { return value(val); } +}; + +template +FMT_CONSTEXPR basic_format_arg make_arg(const T &value); + +#define FMT_MAKE_VALUE(TAG, ArgType, ValueType) \ + template \ + FMT_CONSTEXPR init make_value(ArgType val) { \ + return static_cast(val); \ + } + +#define FMT_MAKE_VALUE_SAME(TAG, Type) \ + template \ + FMT_CONSTEXPR init make_value(Type val) { return val; } + +FMT_MAKE_VALUE(bool_type, bool, int) +FMT_MAKE_VALUE(int_type, short, int) +FMT_MAKE_VALUE(uint_type, unsigned short, unsigned) +FMT_MAKE_VALUE_SAME(int_type, int) +FMT_MAKE_VALUE_SAME(uint_type, unsigned) + +// To minimize the number of types we need to deal with, long is translated +// either to int or to long long depending on its size. +typedef std::conditional::type + long_type; +FMT_MAKE_VALUE( + (sizeof(long) == sizeof(int) ? int_type : long_long_type), long, long_type) +typedef std::conditional::type ulong_type; +FMT_MAKE_VALUE( + (sizeof(unsigned long) == sizeof(unsigned) ? uint_type : ulong_long_type), + unsigned long, ulong_type) + +FMT_MAKE_VALUE_SAME(long_long_type, long long) +FMT_MAKE_VALUE_SAME(ulong_long_type, unsigned long long) +FMT_MAKE_VALUE(int_type, signed char, int) +FMT_MAKE_VALUE(uint_type, unsigned char, unsigned) +FMT_MAKE_VALUE(char_type, char, int) + +#if !defined(_MSC_VER) || defined(_NATIVE_WCHAR_T_DEFINED) +template +inline init make_value(wchar_t val) { + require_wchar(); + return static_cast(val); +} +#endif + +FMT_MAKE_VALUE(double_type, float, double) +FMT_MAKE_VALUE_SAME(double_type, double) +FMT_MAKE_VALUE_SAME(long_double_type, long double) + +// Formatting of wide strings into a narrow buffer and multibyte strings +// into a wide buffer is disallowed (https://github.com/fmtlib/fmt/pull/606). +FMT_MAKE_VALUE(cstring_type, typename C::char_type*, + const typename C::char_type*) +FMT_MAKE_VALUE(cstring_type, const typename C::char_type*, + const typename C::char_type*) + +FMT_MAKE_VALUE(cstring_type, signed char*, const signed char*) +FMT_MAKE_VALUE_SAME(cstring_type, const signed char*) +FMT_MAKE_VALUE(cstring_type, unsigned char*, const unsigned char*) +FMT_MAKE_VALUE_SAME(cstring_type, const unsigned char*) +FMT_MAKE_VALUE_SAME(string_type, basic_string_view) +FMT_MAKE_VALUE(string_type, + typename basic_string_view::type, + basic_string_view) +FMT_MAKE_VALUE(string_type, const std::basic_string&, + basic_string_view) +FMT_MAKE_VALUE(pointer_type, void*, const void*) +FMT_MAKE_VALUE_SAME(pointer_type, const void*) + +#if FMT_USE_NULLPTR +FMT_MAKE_VALUE(pointer_type, std::nullptr_t, const void*) +#endif + +// Formatting of arbitrary pointers is disallowed. If you want to output a +// pointer cast it to "void *" or "const void *". In particular, this forbids +// formatting of "[const] volatile char *" which is printed as bool by +// iostreams. +template +typename std::enable_if::value>::type + make_value(const T *) { + static_assert(!sizeof(T), "formatting of non-void pointers is disallowed"); +} + +template +inline typename std::enable_if< + std::is_enum::value && convert_to_int::value, + init>::type + make_value(const T &val) { return static_cast(val); } + +template +inline typename std::enable_if< + std::is_constructible, T>::value, + init, string_type>>::type + make_value(const T &val) { return basic_string_view(val); } + +template +inline typename std::enable_if< + !convert_to_int::value && + !std::is_convertible>::value && + !std::is_constructible, T>::value, + // Implicit conversion to std::string is not handled here because it's + // unsafe: https://github.com/fmtlib/fmt/issues/729 + init>::type + make_value(const T &val) { return val; } + +template +init + make_value(const named_arg &val) { + basic_format_arg arg = make_arg(val.value); + std::memcpy(val.data, &arg, sizeof(arg)); + return static_cast(&val); +} + +// Maximum number of arguments with packed types. +enum { max_packed_args = 15 }; + +template +class arg_map; +} // namespace internal + +// A formatting argument. It is a trivially copyable/constructible type to +// allow storage in basic_memory_buffer. +template +class basic_format_arg { + private: + internal::value value_; + internal::type type_; + + template + friend FMT_CONSTEXPR basic_format_arg + internal::make_arg(const T &value); + + template + friend FMT_CONSTEXPR typename internal::result_of::type + visit(Visitor &&vis, const basic_format_arg &arg); + + friend class basic_format_args; + friend class internal::arg_map; + + typedef typename Context::char_type char_type; + + public: + class handle { + public: + explicit handle(internal::custom_value custom): custom_(custom) {} + + void format(Context &ctx) const { custom_.format(custom_.value, ctx); } + + private: + internal::custom_value custom_; + }; + + FMT_CONSTEXPR basic_format_arg() : type_(internal::none_type) {} + + FMT_EXPLICIT operator bool() const FMT_NOEXCEPT { + return type_ != internal::none_type; + } + + internal::type type() const { return type_; } + + bool is_integral() const { return internal::is_integral(type_); } + bool is_arithmetic() const { return internal::is_arithmetic(type_); } +}; + +struct monostate {}; + +/** + \rst + Visits an argument dispatching to the appropriate visit method based on + the argument type. For example, if the argument type is ``double`` then + ``vis(value)`` will be called with the value of type ``double``. + \endrst + */ +template +FMT_CONSTEXPR typename internal::result_of::type + visit(Visitor &&vis, const basic_format_arg &arg) { + typedef typename Context::char_type char_type; + switch (arg.type_) { + case internal::none_type: + break; + case internal::named_arg_type: + FMT_ASSERT(false, "invalid argument type"); + break; + case internal::int_type: + return vis(arg.value_.int_value); + case internal::uint_type: + return vis(arg.value_.uint_value); + case internal::long_long_type: + return vis(arg.value_.long_long_value); + case internal::ulong_long_type: + return vis(arg.value_.ulong_long_value); + case internal::bool_type: + return vis(arg.value_.int_value != 0); + case internal::char_type: + return vis(static_cast(arg.value_.int_value)); + case internal::double_type: + return vis(arg.value_.double_value); + case internal::long_double_type: + return vis(arg.value_.long_double_value); + case internal::cstring_type: + return vis(arg.value_.string.value); + case internal::string_type: + return vis(basic_string_view( + arg.value_.string.value, arg.value_.string.size)); + case internal::pointer_type: + return vis(arg.value_.pointer); + case internal::custom_type: + return vis(typename basic_format_arg::handle(arg.value_.custom)); + } + return vis(monostate()); +} + +// Parsing context consisting of a format string range being parsed and an +// argument counter for automatic indexing. +template +class basic_parse_context : private ErrorHandler { + private: + basic_string_view format_str_; + int next_arg_id_; + + public: + typedef Char char_type; + typedef typename basic_string_view::iterator iterator; + + explicit FMT_CONSTEXPR basic_parse_context( + basic_string_view 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. + FMT_CONSTEXPR iterator begin() const FMT_NOEXCEPT { + return format_str_.begin(); + } + + // 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``. + FMT_CONSTEXPR void advance_to(iterator it) { + format_str_.remove_prefix(internal::to_unsigned(it - begin())); + } + + // Returns the next argument index. + FMT_CONSTEXPR unsigned next_arg_id(); + + FMT_CONSTEXPR bool check_arg_id(unsigned) { + if (next_arg_id_ > 0) { + on_error("cannot switch from automatic to manual argument indexing"); + return false; + } + next_arg_id_ = -1; + return true; + } + void check_arg_id(basic_string_view) {} + + FMT_CONSTEXPR void on_error(const char *message) { + ErrorHandler::on_error(message); + } + + FMT_CONSTEXPR ErrorHandler error_handler() const { return *this; } +}; + +typedef basic_parse_context parse_context; +typedef basic_parse_context wparse_context; + +namespace internal { +// A map from argument names to their values for named arguments. +template +class arg_map { + private: + arg_map(const arg_map &) = delete; + void operator=(const arg_map &) = delete; + + typedef typename Context::char_type char_type; + + struct entry { + basic_string_view name; + basic_format_arg arg; + }; + + entry *map_; + unsigned size_; + + void push_back(value val) { + const internal::named_arg_base &named = val.as_named_arg(); + map_[size_] = entry{named.name, named.template deserialize()}; + ++size_; + } + + public: + arg_map() : map_(FMT_NULL), size_(0) {} + void init(const basic_format_args &args); + ~arg_map() { delete [] map_; } + + basic_format_arg find(basic_string_view name) const { + // The list is unsorted, so just return the first matching name. + for (entry *it = map_, *end = map_ + size_; it != end; ++it) { + if (it->name == name) + return it->arg; + } + return basic_format_arg(); + } +}; + +template +class context_base { + public: + typedef OutputIt iterator; + + private: + basic_parse_context parse_context_; + iterator out_; + basic_format_args args_; + + protected: + typedef Char char_type; + typedef basic_format_arg format_arg; + + context_base(OutputIt out, basic_string_view format_str, + basic_format_args ctx_args) + : parse_context_(format_str), out_(out), args_(ctx_args) {} + + // Returns the argument with specified index. + format_arg do_get_arg(unsigned arg_id) { + format_arg arg = args_.get(arg_id); + if (!arg) + parse_context_.on_error("argument index out of range"); + return arg; + } + + // Checks if manual indexing is used and returns the argument with + // specified index. + format_arg get_arg(unsigned arg_id) { + return this->parse_context().check_arg_id(arg_id) ? + this->do_get_arg(arg_id) : format_arg(); + } + + public: + basic_parse_context &parse_context() { + return parse_context_; + } + + internal::error_handler error_handler() { + return parse_context_.error_handler(); + } + + void on_error(const char *message) { parse_context_.on_error(message); } + + // Returns an iterator to the beginning of the output range. + iterator out() { return out_; } + iterator begin() { return out_; } // deprecated + + // Advances the begin iterator to ``it``. + void advance_to(iterator it) { out_ = it; } + + basic_format_args args() const { return args_; } +}; + +// Extracts a reference to the container from back_insert_iterator. +template +inline Container &get_container(std::back_insert_iterator it) { + typedef std::back_insert_iterator bi_iterator; + struct accessor: bi_iterator { + accessor(bi_iterator iter) : bi_iterator(iter) {} + using bi_iterator::container; + }; + return *accessor(it).container; +} +} // namespace internal + +// Formatting context. +template +class basic_format_context : + public internal::context_base< + OutputIt, basic_format_context, Char> { + public: + /** The character type for the output. */ + typedef Char char_type; + + // using formatter_type = formatter; + template + struct formatter_type { typedef formatter type; }; + + private: + internal::arg_map map_; + + basic_format_context(const basic_format_context &) = delete; + void operator=(const basic_format_context &) = delete; + + typedef internal::context_base base; + typedef typename base::format_arg format_arg; + using base::get_arg; + + public: + using typename base::iterator; + + /** + Constructs a ``basic_format_context`` object. References to the arguments are + stored in the object so make sure they have appropriate lifetimes. + */ + basic_format_context(OutputIt out, basic_string_view format_str, + basic_format_args ctx_args) + : base(out, format_str, ctx_args) {} + + format_arg next_arg() { + return this->do_get_arg(this->parse_context().next_arg_id()); + } + format_arg get_arg(unsigned arg_id) { return this->do_get_arg(arg_id); } + + // Checks if manual indexing is used and returns the argument with the + // specified name. + format_arg get_arg(basic_string_view name); +}; + +template +struct buffer_context { + typedef basic_format_context< + std::back_insert_iterator>, Char> type; +}; +typedef buffer_context::type format_context; +typedef buffer_context::type wformat_context; + +namespace internal { +template +struct get_type { + typedef decltype(make_value( + declval::type&>())) value_type; + static const type value = value_type::type_tag; +}; + +template +FMT_CONSTEXPR11 unsigned long long get_types() { return 0; } + +template +FMT_CONSTEXPR11 unsigned long long get_types() { + return get_type::value | (get_types() << 4); +} + +template +FMT_CONSTEXPR basic_format_arg make_arg(const T &value) { + basic_format_arg arg; + arg.type_ = get_type::value; + arg.value_ = make_value(value); + return arg; +} + +template +inline typename std::enable_if>::type + make_arg(const T &value) { + return make_value(value); +} + +template +inline typename std::enable_if>::type + make_arg(const T &value) { + return make_arg(value); +} +} // namespace internal + +/** + \rst + An array of references to arguments. It can be implicitly converted into + `~fmt::basic_format_args` for passing into type-erased formatting functions + such as `~fmt::vformat`. + \endrst + */ +template +class format_arg_store { + private: + static const size_t NUM_ARGS = sizeof...(Args); + + // Packed is a macro on MinGW so use IS_PACKED instead. + static const bool IS_PACKED = NUM_ARGS < internal::max_packed_args; + + typedef typename std::conditional, basic_format_arg>::type value_type; + + // If the arguments are not packed, add one more element to mark the end. + static const size_t DATA_SIZE = + NUM_ARGS + (IS_PACKED && NUM_ARGS != 0 ? 0 : 1); + value_type data_[DATA_SIZE]; + + friend class basic_format_args; + + static FMT_CONSTEXPR11 long long get_types() { + return IS_PACKED ? + static_cast(internal::get_types()) : + -static_cast(NUM_ARGS); + } + + public: +#if FMT_USE_CONSTEXPR11 + static FMT_CONSTEXPR11 long long TYPES = get_types(); +#else + static const long long TYPES; +#endif + +#if (FMT_GCC_VERSION && FMT_GCC_VERSION <= 405) || \ + (FMT_MSC_VER && FMT_MSC_VER <= 1800) + // Workaround array initialization issues in gcc <= 4.5 and MSVC <= 2013. + format_arg_store(const Args &... args) { + value_type init[DATA_SIZE] = + {internal::make_arg(args)...}; + std::memcpy(data_, init, sizeof(init)); + } +#else + format_arg_store(const Args &... args) + : data_{internal::make_arg(args)...} {} +#endif +}; + +#if !FMT_USE_CONSTEXPR11 +template +const long long format_arg_store::TYPES = get_types(); +#endif + +/** + \rst + Constructs an `~fmt::format_arg_store` object that contains references to + arguments and can be implicitly converted to `~fmt::format_args`. `Context` + can be omitted in which case it defaults to `~fmt::context`. + \endrst + */ +template +inline format_arg_store + make_format_args(const Args & ... args) { + return format_arg_store(args...); +} + +template +inline format_arg_store + make_format_args(const Args & ... args) { + return format_arg_store(args...); +} + +/** Formatting arguments. */ +template +class basic_format_args { + public: + typedef unsigned size_type; + typedef basic_format_arg format_arg; + + private: + // To reduce compiled code size per formatting function call, types of first + // max_packed_args arguments are passed in the types_ field. + unsigned long long types_; + union { + // If the number of arguments is less than max_packed_args, the argument + // values are stored in values_, otherwise they are stored in args_. + // This is done to reduce compiled code size as storing larger objects + // may require more code (at least on x86-64) even if the same amount of + // data is actually copied to stack. It saves ~10% on the bloat test. + const internal::value *values_; + const format_arg *args_; + }; + + typename internal::type type(unsigned index) const { + unsigned shift = index * 4; + unsigned long long mask = 0xf; + return static_cast( + (types_ & (mask << shift)) >> shift); + } + + friend class internal::arg_map; + + void set_data(const internal::value *values) { values_ = values; } + void set_data(const format_arg *args) { args_ = args; } + + format_arg do_get(size_type index) const { + format_arg arg; + long long signed_types = static_cast(types_); + if (signed_types < 0) { + unsigned long long num_args = + static_cast(-signed_types); + if (index < num_args) + arg = args_[index]; + return arg; + } + if (index > internal::max_packed_args) + return arg; + arg.type_ = type(index); + if (arg.type_ == internal::none_type) + return arg; + internal::value &val = arg.value_; + val = values_[index]; + return arg; + } + + public: + basic_format_args() : types_(0) {} + + /** + \rst + Constructs a `basic_format_args` object from `~fmt::format_arg_store`. + \endrst + */ + template + basic_format_args(const format_arg_store &store) + : types_(static_cast(store.TYPES)) { + set_data(store.data_); + } + + /** + \rst + Constructs a `basic_format_args` object from a dynamic set of arguments. + \endrst + */ + basic_format_args(const format_arg *args, size_type count) + : types_(-static_cast(count)) { + set_data(args); + } + + /** Returns the argument at specified index. */ + format_arg get(size_type index) const { + format_arg arg = do_get(index); + if (arg.type_ == internal::named_arg_type) + arg = arg.value_.as_named_arg().template deserialize(); + return arg; + } + + unsigned max_size() const { + long long signed_types = static_cast(types_); + return static_cast( + signed_types < 0 ? + -signed_types : static_cast(internal::max_packed_args)); + } +}; + +/** An alias to ``basic_format_args``. */ +// It is a separate type rather than a typedef to make symbols readable. +struct format_args: basic_format_args { + template + format_args(Args && ... arg) + : basic_format_args(std::forward(arg)...) {} +}; +struct wformat_args : basic_format_args { + template + wformat_args(Args && ... arg) + : basic_format_args(std::forward(arg)...) {} +}; + +namespace internal { +template +struct named_arg_base { + basic_string_view name; + + // Serialized value. + mutable char data[sizeof(basic_format_arg)]; + + named_arg_base(basic_string_view nm) : name(nm) {} + + template + basic_format_arg deserialize() const { + basic_format_arg arg; + std::memcpy(&arg, data, sizeof(basic_format_arg)); + return arg; + } +}; + +template +struct named_arg : named_arg_base { + const T &value; + + named_arg(basic_string_view name, const T &val) + : named_arg_base(name), value(val) {} +}; +} + +/** + \rst + Returns a named argument to be used in a formatting function. + + **Example**:: + + fmt::print("Elapsed time: {s:.2f} seconds", fmt::arg("s", 1.23)); + \endrst + */ +template +inline internal::named_arg arg(string_view name, const T &arg) { + return internal::named_arg(name, arg); +} + +template +inline internal::named_arg arg(wstring_view name, const T &arg) { + return internal::named_arg(name, arg); +} + +// This function template is deleted intentionally to disable nested named +// arguments as in ``format("{}", arg("a", arg("b", 42)))``. +template +void arg(S, internal::named_arg) = delete; + +// A base class for compile-time strings. It is defined in the fmt namespace to +// make formatting functions visible via ADL, e.g. format(fmt("{}"), 42). +struct compile_string {}; + +namespace internal { +// If S is a format string type, format_string_traints::char_type gives its +// character type. +template +struct format_string_traits { + private: + // Use constructability as a way to detect if format_string_traits is + // specialized because other methods are broken on MSVC2013. + format_string_traits(); +}; + +template +struct format_string_traits_base { typedef Char char_type; }; + +template +struct format_string_traits : format_string_traits_base {}; + +template +struct format_string_traits : format_string_traits_base {}; + +template +struct format_string_traits : format_string_traits_base {}; + +template +struct format_string_traits : format_string_traits_base {}; + +template +struct format_string_traits> : + format_string_traits_base {}; + +template +struct format_string_traits< + S, typename std::enable_if, S>::value>::type> : + format_string_traits_base {}; + +template +struct is_format_string : + std::integral_constant< + bool, std::is_constructible>::value> {}; + +template +struct is_compile_string : + std::integral_constant::value> {}; + +template +inline typename std::enable_if::value>::type + check_format_string(const S &) {} +template +typename std::enable_if::value>::type + check_format_string(S); + +template +std::basic_string vformat( + basic_string_view format_str, + basic_format_args::type> args); +} // namespace internal + +format_context::iterator vformat_to( + internal::buffer &buf, string_view format_str, format_args args); +wformat_context::iterator vformat_to( + internal::wbuffer &buf, wstring_view format_str, wformat_args args); + +template +struct is_contiguous : std::false_type {}; + +template +struct is_contiguous> : std::true_type {}; + +template +struct is_contiguous> : std::true_type {}; + +/** Formats a string and writes the output to ``out``. */ +template +typename std::enable_if< + is_contiguous::value, std::back_insert_iterator>::type + vformat_to(std::back_insert_iterator out, + string_view format_str, format_args args) { + internal::container_buffer buf(internal::get_container(out)); + vformat_to(buf, format_str, args); + return out; +} + +template +typename std::enable_if< + is_contiguous::value, std::back_insert_iterator>::type + vformat_to(std::back_insert_iterator out, + wstring_view format_str, wformat_args args) { + internal::container_buffer buf(internal::get_container(out)); + vformat_to(buf, format_str, args); + return out; +} + +template +inline typename std::enable_if< + is_contiguous::value, std::back_insert_iterator>::type + format_to(std::back_insert_iterator out, + string_view format_str, const Args & ... args) { + format_arg_store as{args...}; + return vformat_to(out, format_str, as); +} + +template +inline typename std::enable_if< + is_contiguous::value, std::back_insert_iterator>::type + format_to(std::back_insert_iterator out, + wstring_view format_str, const Args & ... args) { + return vformat_to(out, format_str, + make_format_args(args...)); +} + +template < + typename String, + typename Char = typename internal::format_string_traits::char_type> +inline std::basic_string vformat( + const String &format_str, + basic_format_args::type> args) { + // Convert format string to string_view to reduce the number of overloads. + return internal::vformat(basic_string_view(format_str), args); +} + +/** + \rst + Formats arguments and returns the result as a string. + + **Example**:: + + #include + std::string message = fmt::format("The answer is {}", 42); + \endrst +*/ +template +inline std::basic_string< + typename internal::format_string_traits::char_type> + format(const String &format_str, const Args & ... args) { + internal::check_format_string(format_str); + // This should be just + // return vformat(format_str, make_format_args(args...)); + // but gcc has trouble optimizing the latter, so break it down. + typedef typename internal::format_string_traits::char_type char_t; + typedef typename buffer_context::type context_t; + format_arg_store as{args...}; + return internal::vformat( + basic_string_view(format_str), basic_format_args(as)); +} + +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); + +/** + \rst + Prints formatted data to the file *f*. + + **Example**:: + + fmt::print(stderr, "Don't {}!", "panic"); + \endrst + */ +template +inline void print(std::FILE *f, string_view format_str, const Args & ... args) { + format_arg_store as(args...); + vprint(f, format_str, as); +} +/** + Prints formatted data to the file *f* which should be in wide-oriented mode + set via ``fwide(f, 1)`` or ``_setmode(_fileno(f), _O_U8TEXT)`` on Windows. + */ +template +inline void print(std::FILE *f, wstring_view format_str, + const Args & ... args) { + format_arg_store as(args...); + vprint(f, format_str, as); +} + +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``. + + **Example**:: + + fmt::print("Elapsed time: {0:.2f} seconds", 1.23); + \endrst + */ +template +inline void print(string_view format_str, const Args & ... args) { + format_arg_store as{args...}; + vprint(format_str, as); +} + +template +inline void print(wstring_view format_str, const Args & ... args) { + format_arg_store as(args...); + vprint(format_str, as); +} +FMT_END_NAMESPACE + +#endif // FMT_CORE_H_ diff --git a/ext/fmt-5.2.1/include/fmt/format-inl.h b/ext/fmt-5.2.1/include/fmt/format-inl.h new file mode 100644 index 0000000..56c4d58 --- /dev/null +++ b/ext/fmt-5.2.1/include/fmt/format-inl.h @@ -0,0 +1,866 @@ +// Formatting library for C++ +// +// Copyright (c) 2012 - 2016, Victor Zverovich +// All rights reserved. +// +// For the license information refer to format.h. + +#ifndef FMT_FORMAT_INL_H_ +#define FMT_FORMAT_INL_H_ + +#include "format.h" + +#include + +#include +#include +#include +#include +#include +#include // for std::ptrdiff_t +#include // for std::memmove +#if !defined(FMT_STATIC_THOUSANDS_SEPARATOR) +# include +#endif + +#if FMT_USE_WINDOWS_H +# if !defined(FMT_HEADER_ONLY) && !defined(WIN32_LEAN_AND_MEAN) +# define WIN32_LEAN_AND_MEAN +# endif +# if defined(NOMINMAX) || defined(FMT_WIN_MINMAX) +# include +# else +# define NOMINMAX +# include +# undef NOMINMAX +# endif +#endif + +#if FMT_EXCEPTIONS +# define FMT_TRY try +# define FMT_CATCH(x) catch (x) +#else +# define FMT_TRY if (true) +# define FMT_CATCH(x) if (false) +#endif + +#ifdef _MSC_VER +# pragma warning(push) +# pragma warning(disable: 4127) // conditional expression is constant +# pragma warning(disable: 4702) // unreachable code +// Disable deprecation warning for strerror. The latter is not called but +// MSVC fails to detect it. +# pragma warning(disable: 4996) +#endif + +// Dummy implementations of strerror_r and strerror_s called if corresponding +// system functions are not available. +inline fmt::internal::null<> strerror_r(int, char *, ...) { + return fmt::internal::null<>(); +} +inline fmt::internal::null<> strerror_s(char *, std::size_t, ...) { + return fmt::internal::null<>(); +} + +FMT_BEGIN_NAMESPACE + +namespace { + +#ifndef _MSC_VER +# define FMT_SNPRINTF snprintf +#else // _MSC_VER +inline int fmt_snprintf(char *buffer, size_t size, const char *format, ...) { + va_list args; + va_start(args, format); + int result = vsnprintf_s(buffer, size, _TRUNCATE, format, args); + va_end(args); + return result; +} +# define FMT_SNPRINTF fmt_snprintf +#endif // _MSC_VER + +#if defined(_WIN32) && defined(__MINGW32__) && !defined(__NO_ISOCEXT) +# define FMT_SWPRINTF snwprintf +#else +# define FMT_SWPRINTF swprintf +#endif // defined(_WIN32) && defined(__MINGW32__) && !defined(__NO_ISOCEXT) + +typedef void (*FormatFunc)(internal::buffer &, int, string_view); + +// Portable thread-safe version of strerror. +// Sets buffer to point to a string describing the error code. +// This can be either a pointer to a string stored in buffer, +// or a pointer to some static immutable string. +// Returns one of the following values: +// 0 - success +// ERANGE - buffer is not large enough to store the error message +// other - failure +// Buffer should be at least of size 1. +int safe_strerror( + int error_code, char *&buffer, std::size_t buffer_size) FMT_NOEXCEPT { + FMT_ASSERT(buffer != FMT_NULL && buffer_size != 0, "invalid buffer"); + + class dispatcher { + private: + int error_code_; + char *&buffer_; + std::size_t buffer_size_; + + // A noop assignment operator to avoid bogus warnings. + void operator=(const dispatcher &) {} + + // Handle the result of XSI-compliant version of strerror_r. + int handle(int result) { + // glibc versions before 2.13 return result in errno. + return result == -1 ? errno : result; + } + + // Handle the result of GNU-specific version of strerror_r. + int handle(char *message) { + // If the buffer is full then the message is probably truncated. + if (message == buffer_ && strlen(buffer_) == buffer_size_ - 1) + return ERANGE; + buffer_ = message; + return 0; + } + + // Handle the case when strerror_r is not available. + int handle(internal::null<>) { + return fallback(strerror_s(buffer_, buffer_size_, error_code_)); + } + + // Fallback to strerror_s when strerror_r is not available. + int fallback(int result) { + // If the buffer is full then the message is probably truncated. + return result == 0 && strlen(buffer_) == buffer_size_ - 1 ? + ERANGE : result; + } + + // Fallback to strerror if strerror_r and strerror_s are not available. + int fallback(internal::null<>) { + errno = 0; + buffer_ = strerror(error_code_); + return errno; + } + + public: + dispatcher(int err_code, char *&buf, std::size_t buf_size) + : error_code_(err_code), buffer_(buf), buffer_size_(buf_size) {} + + int run() { + return handle(strerror_r(error_code_, buffer_, buffer_size_)); + } + }; + return dispatcher(error_code, buffer, buffer_size).run(); +} + +void format_error_code(internal::buffer &out, int error_code, + string_view message) FMT_NOEXCEPT { + // Report error code making sure that the output fits into + // inline_buffer_size to avoid dynamic memory allocation and potential + // bad_alloc. + out.resize(0); + static const char SEP[] = ": "; + static const char ERROR_STR[] = "error "; + // Subtract 2 to account for terminating null characters in SEP and ERROR_STR. + std::size_t error_code_size = sizeof(SEP) + sizeof(ERROR_STR) - 2; + typedef internal::int_traits::main_type main_type; + main_type abs_value = static_cast(error_code); + if (internal::is_negative(error_code)) { + abs_value = 0 - abs_value; + ++error_code_size; + } + error_code_size += internal::count_digits(abs_value); + writer w(out); + if (message.size() <= inline_buffer_size - error_code_size) { + w.write(message); + w.write(SEP); + } + w.write(ERROR_STR); + w.write(error_code); + assert(out.size() <= inline_buffer_size); +} + +void report_error(FormatFunc func, int error_code, + string_view message) FMT_NOEXCEPT { + memory_buffer full_message; + func(full_message, error_code, message); + // Use Writer::data instead of Writer::c_str to avoid potential memory + // allocation. + std::fwrite(full_message.data(), full_message.size(), 1, stderr); + std::fputc('\n', stderr); +} +} // namespace + +#if !defined(FMT_STATIC_THOUSANDS_SEPARATOR) +class locale { + private: + std::locale locale_; + + public: + explicit locale(std::locale loc = std::locale()) : locale_(loc) {} + std::locale get() { return locale_; } +}; + +FMT_FUNC size_t internal::count_code_points(u8string_view s) { + const char8_t *data = s.data(); + int num_code_points = 0; + for (size_t i = 0, size = s.size(); i != size; ++i) { + if ((data[i].value & 0xc0) != 0x80) + ++num_code_points; + } + return num_code_points; +} + +template +FMT_FUNC Char internal::thousands_sep(locale_provider *lp) { + std::locale loc = lp ? lp->locale().get() : std::locale(); + return std::use_facet>(loc).thousands_sep(); +} +#else +template +FMT_FUNC Char internal::thousands_sep(locale_provider *lp) { + return FMT_STATIC_THOUSANDS_SEPARATOR; +} +#endif + +FMT_FUNC void system_error::init( + int err_code, string_view format_str, format_args args) { + error_code_ = err_code; + memory_buffer buffer; + format_system_error(buffer, err_code, vformat(format_str, args)); + std::runtime_error &base = *this; + base = std::runtime_error(to_string(buffer)); +} + +namespace internal { +template +int char_traits::format_float( + char *buffer, std::size_t size, const char *format, int precision, T value) { + return precision < 0 ? + FMT_SNPRINTF(buffer, size, format, value) : + FMT_SNPRINTF(buffer, size, format, precision, value); +} + +template +int char_traits::format_float( + wchar_t *buffer, std::size_t size, const wchar_t *format, int precision, + T value) { + return precision < 0 ? + FMT_SWPRINTF(buffer, size, format, value) : + FMT_SWPRINTF(buffer, size, format, precision, value); +} + +template +const char basic_data::DIGITS[] = + "0001020304050607080910111213141516171819" + "2021222324252627282930313233343536373839" + "4041424344454647484950515253545556575859" + "6061626364656667686970717273747576777879" + "8081828384858687888990919293949596979899"; + +#define FMT_POWERS_OF_10(factor) \ + factor * 10, \ + factor * 100, \ + factor * 1000, \ + factor * 10000, \ + factor * 100000, \ + factor * 1000000, \ + factor * 10000000, \ + factor * 100000000, \ + factor * 1000000000 + +template +const uint32_t basic_data::POWERS_OF_10_32[] = { + 1, FMT_POWERS_OF_10(1) +}; + +template +const uint32_t basic_data::ZERO_OR_POWERS_OF_10_32[] = { + 0, FMT_POWERS_OF_10(1) +}; + +template +const uint64_t basic_data::ZERO_OR_POWERS_OF_10_64[] = { + 0, + FMT_POWERS_OF_10(1), + FMT_POWERS_OF_10(1000000000ull), + 10000000000000000000ull +}; + +// Normalized 64-bit significands of pow(10, k), for k = -348, -340, ..., 340. +// These are generated by support/compute-powers.py. +template +const uint64_t basic_data::POW10_SIGNIFICANDS[] = { + 0xfa8fd5a0081c0288, 0xbaaee17fa23ebf76, 0x8b16fb203055ac76, + 0xcf42894a5dce35ea, 0x9a6bb0aa55653b2d, 0xe61acf033d1a45df, + 0xab70fe17c79ac6ca, 0xff77b1fcbebcdc4f, 0xbe5691ef416bd60c, + 0x8dd01fad907ffc3c, 0xd3515c2831559a83, 0x9d71ac8fada6c9b5, + 0xea9c227723ee8bcb, 0xaecc49914078536d, 0x823c12795db6ce57, + 0xc21094364dfb5637, 0x9096ea6f3848984f, 0xd77485cb25823ac7, + 0xa086cfcd97bf97f4, 0xef340a98172aace5, 0xb23867fb2a35b28e, + 0x84c8d4dfd2c63f3b, 0xc5dd44271ad3cdba, 0x936b9fcebb25c996, + 0xdbac6c247d62a584, 0xa3ab66580d5fdaf6, 0xf3e2f893dec3f126, + 0xb5b5ada8aaff80b8, 0x87625f056c7c4a8b, 0xc9bcff6034c13053, + 0x964e858c91ba2655, 0xdff9772470297ebd, 0xa6dfbd9fb8e5b88f, + 0xf8a95fcf88747d94, 0xb94470938fa89bcf, 0x8a08f0f8bf0f156b, + 0xcdb02555653131b6, 0x993fe2c6d07b7fac, 0xe45c10c42a2b3b06, + 0xaa242499697392d3, 0xfd87b5f28300ca0e, 0xbce5086492111aeb, + 0x8cbccc096f5088cc, 0xd1b71758e219652c, 0x9c40000000000000, + 0xe8d4a51000000000, 0xad78ebc5ac620000, 0x813f3978f8940984, + 0xc097ce7bc90715b3, 0x8f7e32ce7bea5c70, 0xd5d238a4abe98068, + 0x9f4f2726179a2245, 0xed63a231d4c4fb27, 0xb0de65388cc8ada8, + 0x83c7088e1aab65db, 0xc45d1df942711d9a, 0x924d692ca61be758, + 0xda01ee641a708dea, 0xa26da3999aef774a, 0xf209787bb47d6b85, + 0xb454e4a179dd1877, 0x865b86925b9bc5c2, 0xc83553c5c8965d3d, + 0x952ab45cfa97a0b3, 0xde469fbd99a05fe3, 0xa59bc234db398c25, + 0xf6c69a72a3989f5c, 0xb7dcbf5354e9bece, 0x88fcf317f22241e2, + 0xcc20ce9bd35c78a5, 0x98165af37b2153df, 0xe2a0b5dc971f303a, + 0xa8d9d1535ce3b396, 0xfb9b7cd9a4a7443c, 0xbb764c4ca7a44410, + 0x8bab8eefb6409c1a, 0xd01fef10a657842c, 0x9b10a4e5e9913129, + 0xe7109bfba19c0c9d, 0xac2820d9623bf429, 0x80444b5e7aa7cf85, + 0xbf21e44003acdd2d, 0x8e679c2f5e44ff8f, 0xd433179d9c8cb841, + 0x9e19db92b4e31ba9, 0xeb96bf6ebadf77d9, 0xaf87023b9bf0ee6b, +}; + +// Binary exponents of pow(10, k), for k = -348, -340, ..., 340, corresponding +// to significands above. +template +const int16_t basic_data::POW10_EXPONENTS[] = { + -1220, -1193, -1166, -1140, -1113, -1087, -1060, -1034, -1007, -980, -954, + -927, -901, -874, -847, -821, -794, -768, -741, -715, -688, -661, + -635, -608, -582, -555, -529, -502, -475, -449, -422, -396, -369, + -343, -316, -289, -263, -236, -210, -183, -157, -130, -103, -77, + -50, -24, 3, 30, 56, 83, 109, 136, 162, 189, 216, + 242, 269, 295, 322, 348, 375, 402, 428, 455, 481, 508, + 534, 561, 588, 614, 641, 667, 694, 720, 747, 774, 800, + 827, 853, 880, 907, 933, 960, 986, 1013, 1039, 1066 +}; + +template const char basic_data::RESET_COLOR[] = "\x1b[0m"; +template const wchar_t basic_data::WRESET_COLOR[] = L"\x1b[0m"; + +// A handmade floating-point number f * pow(2, e). +class fp { + private: + typedef uint64_t significand_type; + + // All sizes are in bits. + static FMT_CONSTEXPR_DECL const int char_size = + std::numeric_limits::digits; + // Subtract 1 to account for an implicit most significant bit in the + // normalized form. + static FMT_CONSTEXPR_DECL const int double_significand_size = + std::numeric_limits::digits - 1; + static FMT_CONSTEXPR_DECL const uint64_t implicit_bit = + 1ull << double_significand_size; + + public: + significand_type f; + int e; + + static FMT_CONSTEXPR_DECL const int significand_size = + sizeof(significand_type) * char_size; + + fp(): f(0), e(0) {} + fp(uint64_t f, int e): f(f), e(e) {} + + // Constructs fp from an IEEE754 double. It is a template to prevent compile + // errors on platforms where double is not IEEE754. + template + explicit fp(Double d) { + // Assume double is in the format [sign][exponent][significand]. + typedef std::numeric_limits limits; + const int double_size = static_cast(sizeof(Double) * char_size); + const int exponent_size = + double_size - double_significand_size - 1; // -1 for sign + const uint64_t significand_mask = implicit_bit - 1; + const uint64_t exponent_mask = (~0ull >> 1) & ~significand_mask; + const int exponent_bias = (1 << exponent_size) - limits::max_exponent - 1; + auto u = bit_cast(d); + auto biased_e = (u & exponent_mask) >> double_significand_size; + f = u & significand_mask; + if (biased_e != 0) + f += implicit_bit; + else + biased_e = 1; // Subnormals use biased exponent 1 (min exponent). + e = static_cast(biased_e - exponent_bias - double_significand_size); + } + + // Normalizes the value converted from double and multiplied by (1 << SHIFT). + template + void normalize() { + // Handle subnormals. + auto shifted_implicit_bit = implicit_bit << SHIFT; + while ((f & shifted_implicit_bit) == 0) { + f <<= 1; + --e; + } + // Subtract 1 to account for hidden bit. + auto offset = significand_size - double_significand_size - SHIFT - 1; + f <<= offset; + e -= offset; + } + + // Compute lower and upper boundaries (m^- and m^+ in the Grisu paper), where + // a boundary is a value half way between the number and its predecessor + // (lower) or successor (upper). The upper boundary is normalized and lower + // has the same exponent but may be not normalized. + void compute_boundaries(fp &lower, fp &upper) const { + lower = f == implicit_bit ? + fp((f << 2) - 1, e - 2) : fp((f << 1) - 1, e - 1); + upper = fp((f << 1) + 1, e - 1); + upper.normalize<1>(); // 1 is to account for the exponent shift above. + lower.f <<= lower.e - upper.e; + lower.e = upper.e; + } +}; + +// Returns an fp number representing x - y. Result may not be normalized. +inline fp operator-(fp x, fp y) { + FMT_ASSERT(x.f >= y.f && x.e == y.e, "invalid operands"); + return fp(x.f - y.f, x.e); +} + +// Computes an fp number r with r.f = x.f * y.f / pow(2, 64) rounded to nearest +// with half-up tie breaking, r.e = x.e + y.e + 64. Result may not be normalized. +FMT_API fp operator*(fp x, fp y); + +// Returns cached power (of 10) c_k = c_k.f * pow(2, c_k.e) such that its +// (binary) exponent satisfies min_exponent <= c_k.e <= min_exponent + 3. +FMT_API fp get_cached_power(int min_exponent, int &pow10_exponent); + +FMT_FUNC fp operator*(fp x, fp y) { + // Multiply 32-bit parts of significands. + uint64_t mask = (1ULL << 32) - 1; + uint64_t a = x.f >> 32, b = x.f & mask; + uint64_t c = y.f >> 32, d = y.f & mask; + uint64_t ac = a * c, bc = b * c, ad = a * d, bd = b * d; + // Compute mid 64-bit of result and round. + uint64_t mid = (bd >> 32) + (ad & mask) + (bc & mask) + (1U << 31); + return fp(ac + (ad >> 32) + (bc >> 32) + (mid >> 32), x.e + y.e + 64); +} + +FMT_FUNC fp get_cached_power(int min_exponent, int &pow10_exponent) { + const double one_over_log2_10 = 0.30102999566398114; // 1 / log2(10) + int index = static_cast(std::ceil( + (min_exponent + fp::significand_size - 1) * one_over_log2_10)); + // Decimal exponent of the first (smallest) cached power of 10. + const int first_dec_exp = -348; + // Difference between 2 consecutive decimal exponents in cached powers of 10. + const int dec_exp_step = 8; + index = (index - first_dec_exp - 1) / dec_exp_step + 1; + pow10_exponent = first_dec_exp + index * dec_exp_step; + return fp(data::POW10_SIGNIFICANDS[index], data::POW10_EXPONENTS[index]); +} + +// Generates output using Grisu2 digit-gen algorithm. +FMT_FUNC void grisu2_gen_digits( + const fp &scaled_value, const fp &scaled_upper, uint64_t delta, + char *buffer, size_t &size, int &dec_exp) { + internal::fp one(1ull << -scaled_upper.e, scaled_upper.e); + // hi (p1 in Grisu) contains the most significant digits of scaled_upper. + // hi = floor(scaled_upper / one). + uint32_t hi = static_cast(scaled_upper.f >> -one.e); + // lo (p2 in Grisu) contains the least significants digits of scaled_upper. + // lo = scaled_upper mod 1. + uint64_t lo = scaled_upper.f & (one.f - 1); + size = 0; + auto exp = count_digits(hi); // kappa in Grisu. + while (exp > 0) { + uint32_t digit = 0; + // This optimization by miloyip reduces the number of integer divisions by + // one per iteration. + switch (exp) { + case 10: digit = hi / 1000000000; hi %= 1000000000; break; + case 9: digit = hi / 100000000; hi %= 100000000; break; + case 8: digit = hi / 10000000; hi %= 10000000; break; + case 7: digit = hi / 1000000; hi %= 1000000; break; + case 6: digit = hi / 100000; hi %= 100000; break; + case 5: digit = hi / 10000; hi %= 10000; break; + case 4: digit = hi / 1000; hi %= 1000; break; + case 3: digit = hi / 100; hi %= 100; break; + case 2: digit = hi / 10; hi %= 10; break; + case 1: digit = hi; hi = 0; break; + default: + FMT_ASSERT(false, "invalid number of digits"); + } + if (digit != 0 || size != 0) + buffer[size++] = static_cast('0' + digit); + --exp; + uint64_t remainder = (static_cast(hi) << -one.e) + lo; + if (remainder <= delta) { + dec_exp += exp; + // TODO: use scaled_value + (void)scaled_value; + return; + } + } + for (;;) { + lo *= 10; + delta *= 10; + char digit = static_cast(lo >> -one.e); + if (digit != 0 || size != 0) + buffer[size++] = static_cast('0' + digit); + lo &= one.f - 1; + --exp; + if (lo < delta) { + dec_exp += exp; + return; + } + } +} + +FMT_FUNC void grisu2_format_positive(double value, char *buffer, size_t &size, + int &dec_exp) { + FMT_ASSERT(value > 0, "value is nonpositive"); + fp fp_value(value); + fp lower, upper; // w^- and w^+ in the Grisu paper. + fp_value.compute_boundaries(lower, upper); + // Find a cached power of 10 close to 1 / upper. + const int min_exp = -60; // alpha in Grisu. + auto dec_pow = get_cached_power( // \tilde{c}_{-k} in Grisu. + min_exp - (upper.e + fp::significand_size), dec_exp); + dec_exp = -dec_exp; + fp_value.normalize(); + fp scaled_value = fp_value * dec_pow; + fp scaled_lower = lower * dec_pow; // \tilde{M}^- in Grisu. + fp scaled_upper = upper * dec_pow; // \tilde{M}^+ in Grisu. + ++scaled_lower.f; // \tilde{M}^- + 1 ulp -> M^-_{\uparrow}. + --scaled_upper.f; // \tilde{M}^+ - 1 ulp -> M^+_{\downarrow}. + uint64_t delta = scaled_upper.f - scaled_lower.f; + grisu2_gen_digits(scaled_value, scaled_upper, delta, buffer, size, dec_exp); +} + +FMT_FUNC void round(char *buffer, size_t &size, int &exp, + int digits_to_remove) { + size -= to_unsigned(digits_to_remove); + exp += digits_to_remove; + int digit = buffer[size] - '0'; + // TODO: proper rounding and carry + if (digit > 5 || (digit == 5 && (digits_to_remove > 1 || + (buffer[size - 1] - '0') % 2) != 0)) { + ++buffer[size - 1]; + } +} + +// Writes the exponent exp in the form "[+-]d{1,3}" to buffer. +FMT_FUNC char *write_exponent(char *buffer, int exp) { + FMT_ASSERT(-1000 < exp && exp < 1000, "exponent out of range"); + if (exp < 0) { + *buffer++ = '-'; + exp = -exp; + } else { + *buffer++ = '+'; + } + if (exp >= 100) { + *buffer++ = static_cast('0' + exp / 100); + exp %= 100; + const char *d = data::DIGITS + exp * 2; + *buffer++ = d[0]; + *buffer++ = d[1]; + } else { + const char *d = data::DIGITS + exp * 2; + *buffer++ = d[0]; + *buffer++ = d[1]; + } + return buffer; +} + +FMT_FUNC void format_exp_notation( + char *buffer, size_t &size, int exp, int precision, bool upper) { + // Insert a decimal point after the first digit and add an exponent. + std::memmove(buffer + 2, buffer + 1, size - 1); + buffer[1] = '.'; + exp += static_cast(size) - 1; + int num_digits = precision - static_cast(size) + 1; + if (num_digits > 0) { + std::uninitialized_fill_n(buffer + size + 1, num_digits, '0'); + size += to_unsigned(num_digits); + } else if (num_digits < 0) { + round(buffer, size, exp, -num_digits); + } + char *p = buffer + size + 1; + *p++ = upper ? 'E' : 'e'; + size = to_unsigned(write_exponent(p, exp) - buffer); +} + +// Prettifies the output of the Grisu2 algorithm. +// The number is given as v = buffer * 10^exp. +FMT_FUNC void grisu2_prettify(char *buffer, size_t &size, int exp, + int precision, bool upper) { + // pow(10, full_exp - 1) <= v <= pow(10, full_exp). + int int_size = static_cast(size); + int full_exp = int_size + exp; + const int exp_threshold = 21; + if (int_size <= full_exp && full_exp <= exp_threshold) { + // 1234e7 -> 12340000000[.0+] + std::uninitialized_fill_n(buffer + int_size, full_exp - int_size, '0'); + char *p = buffer + full_exp; + if (precision > 0) { + *p++ = '.'; + std::uninitialized_fill_n(p, precision, '0'); + p += precision; + } + size = to_unsigned(p - buffer); + } else if (0 < full_exp && full_exp <= exp_threshold) { + // 1234e-2 -> 12.34[0+] + int fractional_size = -exp; + std::memmove(buffer + full_exp + 1, buffer + full_exp, + to_unsigned(fractional_size)); + buffer[full_exp] = '.'; + int num_zeros = precision - fractional_size; + if (num_zeros > 0) { + std::uninitialized_fill_n(buffer + size + 1, num_zeros, '0'); + size += to_unsigned(num_zeros); + } + ++size; + } else if (-6 < full_exp && full_exp <= 0) { + // 1234e-6 -> 0.001234 + int offset = 2 - full_exp; + std::memmove(buffer + offset, buffer, size); + buffer[0] = '0'; + buffer[1] = '.'; + std::uninitialized_fill_n(buffer + 2, -full_exp, '0'); + size = to_unsigned(int_size + offset); + } else { + format_exp_notation(buffer, size, exp, precision, upper); + } +} + +#if FMT_CLANG_VERSION +# define FMT_FALLTHROUGH [[clang::fallthrough]]; +#elif FMT_GCC_VERSION >= 700 +# define FMT_FALLTHROUGH [[gnu::fallthrough]]; +#else +# define FMT_FALLTHROUGH +#endif + +// Formats a nonnegative value using Grisu2 algorithm. Grisu2 doesn't give any +// guarantees on the shortness of the result. +FMT_FUNC void grisu2_format(double value, char *buffer, size_t &size, char type, + int precision, bool write_decimal_point) { + FMT_ASSERT(value >= 0, "value is negative"); + int dec_exp = 0; // K in Grisu. + if (value > 0) { + grisu2_format_positive(value, buffer, size, dec_exp); + } else { + *buffer = '0'; + size = 1; + } + const int default_precision = 6; + if (precision < 0) + precision = default_precision; + bool upper = false; + switch (type) { + case 'G': + upper = true; + FMT_FALLTHROUGH + case '\0': case 'g': { + int digits_to_remove = static_cast(size) - precision; + if (digits_to_remove > 0) { + round(buffer, size, dec_exp, digits_to_remove); + // Remove trailing zeros. + while (size > 0 && buffer[size - 1] == '0') { + --size; + ++dec_exp; + } + } + precision = 0; + break; + } + case 'F': + upper = true; + FMT_FALLTHROUGH + case 'f': { + int digits_to_remove = -dec_exp - precision; + if (digits_to_remove > 0) { + if (digits_to_remove >= static_cast(size)) + digits_to_remove = static_cast(size) - 1; + round(buffer, size, dec_exp, digits_to_remove); + } + break; + } + case 'e': case 'E': + format_exp_notation(buffer, size, dec_exp, precision, type == 'E'); + return; + } + if (write_decimal_point && precision < 1) + precision = 1; + grisu2_prettify(buffer, size, dec_exp, precision, upper); +} +} // namespace internal + +#if FMT_USE_WINDOWS_H + +FMT_FUNC internal::utf8_to_utf16::utf8_to_utf16(string_view s) { + static const char ERROR_MSG[] = "cannot convert string from UTF-8 to UTF-16"; + if (s.size() > INT_MAX) + FMT_THROW(windows_error(ERROR_INVALID_PARAMETER, ERROR_MSG)); + int s_size = static_cast(s.size()); + if (s_size == 0) { + // MultiByteToWideChar does not support zero length, handle separately. + buffer_.resize(1); + buffer_[0] = 0; + return; + } + + int length = MultiByteToWideChar( + CP_UTF8, MB_ERR_INVALID_CHARS, s.data(), s_size, FMT_NULL, 0); + if (length == 0) + FMT_THROW(windows_error(GetLastError(), ERROR_MSG)); + buffer_.resize(length + 1); + length = MultiByteToWideChar( + CP_UTF8, MB_ERR_INVALID_CHARS, s.data(), s_size, &buffer_[0], length); + if (length == 0) + FMT_THROW(windows_error(GetLastError(), ERROR_MSG)); + buffer_[length] = 0; +} + +FMT_FUNC internal::utf16_to_utf8::utf16_to_utf8(wstring_view s) { + if (int error_code = convert(s)) { + FMT_THROW(windows_error(error_code, + "cannot convert string from UTF-16 to UTF-8")); + } +} + +FMT_FUNC int internal::utf16_to_utf8::convert(wstring_view s) { + if (s.size() > INT_MAX) + return ERROR_INVALID_PARAMETER; + int s_size = static_cast(s.size()); + if (s_size == 0) { + // WideCharToMultiByte does not support zero length, handle separately. + buffer_.resize(1); + buffer_[0] = 0; + return 0; + } + + int length = WideCharToMultiByte( + CP_UTF8, 0, s.data(), s_size, FMT_NULL, 0, FMT_NULL, FMT_NULL); + if (length == 0) + return GetLastError(); + buffer_.resize(length + 1); + length = WideCharToMultiByte( + CP_UTF8, 0, s.data(), s_size, &buffer_[0], length, FMT_NULL, FMT_NULL); + if (length == 0) + return GetLastError(); + buffer_[length] = 0; + return 0; +} + +FMT_FUNC void windows_error::init( + int err_code, string_view format_str, format_args args) { + error_code_ = err_code; + memory_buffer buffer; + internal::format_windows_error(buffer, err_code, vformat(format_str, args)); + std::runtime_error &base = *this; + base = std::runtime_error(to_string(buffer)); +} + +FMT_FUNC void internal::format_windows_error( + internal::buffer &out, int error_code, string_view message) FMT_NOEXCEPT { + FMT_TRY { + wmemory_buffer buf; + buf.resize(inline_buffer_size); + for (;;) { + wchar_t *system_message = &buf[0]; + int result = FormatMessageW( + FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS, + FMT_NULL, error_code, MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), + system_message, static_cast(buf.size()), FMT_NULL); + if (result != 0) { + utf16_to_utf8 utf8_message; + if (utf8_message.convert(system_message) == ERROR_SUCCESS) { + writer w(out); + w.write(message); + w.write(": "); + w.write(utf8_message); + return; + } + break; + } + if (GetLastError() != ERROR_INSUFFICIENT_BUFFER) + break; // Can't get error message, report error code instead. + buf.resize(buf.size() * 2); + } + } FMT_CATCH(...) {} + format_error_code(out, error_code, message); +} + +#endif // FMT_USE_WINDOWS_H + +FMT_FUNC void format_system_error( + internal::buffer &out, int error_code, string_view message) FMT_NOEXCEPT { + FMT_TRY { + memory_buffer buf; + buf.resize(inline_buffer_size); + for (;;) { + char *system_message = &buf[0]; + int result = safe_strerror(error_code, system_message, buf.size()); + if (result == 0) { + writer w(out); + w.write(message); + w.write(": "); + w.write(system_message); + return; + } + if (result != ERANGE) + break; // Can't get error message, report error code instead. + buf.resize(buf.size() * 2); + } + } FMT_CATCH(...) {} + format_error_code(out, error_code, message); +} + +template +void basic_fixed_buffer::grow(std::size_t) { + FMT_THROW(std::runtime_error("buffer overflow")); +} + +FMT_FUNC void internal::error_handler::on_error(const char *message) { + FMT_THROW(format_error(message)); +} + +FMT_FUNC void report_system_error( + int error_code, fmt::string_view message) FMT_NOEXCEPT { + report_error(format_system_error, error_code, message); +} + +#if FMT_USE_WINDOWS_H +FMT_FUNC void report_windows_error( + int error_code, fmt::string_view message) FMT_NOEXCEPT { + report_error(internal::format_windows_error, error_code, message); +} +#endif + +FMT_FUNC void vprint(std::FILE *f, string_view format_str, format_args args) { + memory_buffer buffer; + vformat_to(buffer, format_str, args); + std::fwrite(buffer.data(), 1, buffer.size(), f); +} + +FMT_FUNC void vprint(std::FILE *f, wstring_view format_str, wformat_args args) { + wmemory_buffer buffer; + vformat_to(buffer, format_str, args); + std::fwrite(buffer.data(), sizeof(wchar_t), buffer.size(), f); +} + +FMT_FUNC void vprint(string_view format_str, format_args args) { + vprint(stdout, format_str, args); +} + +FMT_FUNC void vprint(wstring_view format_str, wformat_args args) { + vprint(stdout, format_str, args); +} + +#if !defined(FMT_STATIC_THOUSANDS_SEPARATOR) +FMT_FUNC locale locale_provider::locale() { return fmt::locale(); } +#endif + +FMT_END_NAMESPACE + +#ifdef _MSC_VER +# pragma warning(pop) +#endif + +#endif // FMT_FORMAT_INL_H_ diff --git a/ext/fmt-5.2.1/include/fmt/format.h b/ext/fmt-5.2.1/include/fmt/format.h new file mode 100644 index 0000000..9f522f3 --- /dev/null +++ b/ext/fmt-5.2.1/include/fmt/format.h @@ -0,0 +1,3720 @@ +/* + Formatting library for C++ + + Copyright (c) 2012 - present, Victor Zverovich + All rights reserved. + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions are met: + + 1. Redistributions of source code must retain the above copyright notice, this + list of conditions and the following disclaimer. + 2. Redistributions in binary form must reproduce the above copyright notice, + this list of conditions and the following disclaimer in the documentation + and/or other materials provided with the distribution. + + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND + ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR + ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef FMT_FORMAT_H_ +#define FMT_FORMAT_H_ + +#include +#include +#include +#include +#include +#include +#include +#include + +#ifdef __clang__ +# define FMT_CLANG_VERSION (__clang_major__ * 100 + __clang_minor__) +#else +# define FMT_CLANG_VERSION 0 +#endif + +#ifdef __INTEL_COMPILER +# define FMT_ICC_VERSION __INTEL_COMPILER +#elif defined(__ICL) +# define FMT_ICC_VERSION __ICL +#else +# define FMT_ICC_VERSION 0 +#endif + +#ifdef __NVCC__ +# define FMT_CUDA_VERSION (__CUDACC_VER_MAJOR__ * 100 + __CUDACC_VER_MINOR__) +#else +# define FMT_CUDA_VERSION 0 +#endif + +#include "core.h" + +#if FMT_GCC_VERSION >= 406 || FMT_CLANG_VERSION +# pragma GCC diagnostic push + +// Disable the warning about declaration shadowing because it affects too +// many valid cases. +# pragma GCC diagnostic ignored "-Wshadow" + +// Disable the warning about implicit conversions that may change the sign of +// an integer; silencing it otherwise would require many explicit casts. +# pragma GCC diagnostic ignored "-Wsign-conversion" +#endif + +# if FMT_CLANG_VERSION +# pragma GCC diagnostic ignored "-Wgnu-string-literal-operator-template" +# endif + +#ifdef _SECURE_SCL +# define FMT_SECURE_SCL _SECURE_SCL +#else +# define FMT_SECURE_SCL 0 +#endif + +#if FMT_SECURE_SCL +# include +#endif + +#ifdef __has_builtin +# define FMT_HAS_BUILTIN(x) __has_builtin(x) +#else +# define FMT_HAS_BUILTIN(x) 0 +#endif + +#ifdef __GNUC_LIBSTD__ +# define FMT_GNUC_LIBSTD_VERSION (__GNUC_LIBSTD__ * 100 + __GNUC_LIBSTD_MINOR__) +#endif + +#ifndef FMT_THROW +# if FMT_EXCEPTIONS +# if FMT_MSC_VER +FMT_BEGIN_NAMESPACE +namespace internal { +template +inline void do_throw(const Exception &x) { + // Silence unreachable code warnings in MSVC because these are nearly + // impossible to fix in a generic code. + volatile bool b = true; + if (b) + throw x; +} +} +FMT_END_NAMESPACE +# define FMT_THROW(x) fmt::internal::do_throw(x) +# else +# define FMT_THROW(x) throw x +# endif +# else +# define FMT_THROW(x) do { static_cast(sizeof(x)); assert(false); } while(false); +# endif +#endif + +#ifndef FMT_USE_USER_DEFINED_LITERALS +// For Intel's compiler and NVIDIA's compiler both it and the system gcc/msc +// must support UDLs. +# if (FMT_HAS_FEATURE(cxx_user_literals) || \ + FMT_GCC_VERSION >= 407 || FMT_MSC_VER >= 1900) && \ + (!(FMT_ICC_VERSION || FMT_CUDA_VERSION) || \ + FMT_ICC_VERSION >= 1500 || FMT_CUDA_VERSION >= 700) +# define FMT_USE_USER_DEFINED_LITERALS 1 +# else +# define FMT_USE_USER_DEFINED_LITERALS 0 +# endif +#endif + +// EDG C++ Front End based compilers (icc, nvcc) do not currently support UDL +// templates. +#if FMT_USE_USER_DEFINED_LITERALS && \ + FMT_ICC_VERSION == 0 && \ + FMT_CUDA_VERSION == 0 && \ + ((FMT_GCC_VERSION >= 600 && __cplusplus >= 201402L) || \ + (defined(FMT_CLANG_VERSION) && FMT_CLANG_VERSION >= 304)) +# define FMT_UDL_TEMPLATE 1 +#else +# define FMT_UDL_TEMPLATE 0 +#endif + +#ifndef FMT_USE_EXTERN_TEMPLATES +# ifndef FMT_HEADER_ONLY +# define FMT_USE_EXTERN_TEMPLATES \ + ((FMT_CLANG_VERSION >= 209 && __cplusplus >= 201103L) || \ + (FMT_GCC_VERSION >= 303 && FMT_HAS_GXX_CXX11)) +# else +# define FMT_USE_EXTERN_TEMPLATES 0 +# endif +#endif + +#if FMT_HAS_GXX_CXX11 || FMT_HAS_FEATURE(cxx_trailing_return) || \ + FMT_MSC_VER >= 1600 +# define FMT_USE_TRAILING_RETURN 1 +#else +# define FMT_USE_TRAILING_RETURN 0 +#endif + +#ifndef FMT_USE_GRISU +# define FMT_USE_GRISU 0 +#endif + +// __builtin_clz is broken in clang with Microsoft CodeGen: +// https://github.com/fmtlib/fmt/issues/519 +#ifndef _MSC_VER +# if FMT_GCC_VERSION >= 400 || FMT_HAS_BUILTIN(__builtin_clz) +# define FMT_BUILTIN_CLZ(n) __builtin_clz(n) +# endif + +# if FMT_GCC_VERSION >= 400 || FMT_HAS_BUILTIN(__builtin_clzll) +# define FMT_BUILTIN_CLZLL(n) __builtin_clzll(n) +# endif +#endif + +// A workaround for gcc 4.4 that doesn't support union members with ctors. +#if (FMT_GCC_VERSION && FMT_GCC_VERSION <= 404) || \ + (FMT_MSC_VER && FMT_MSC_VER <= 1800) +# define FMT_UNION struct +#else +# define FMT_UNION union +#endif + +// Some compilers masquerade as both MSVC and GCC-likes or otherwise support +// __builtin_clz and __builtin_clzll, so only define FMT_BUILTIN_CLZ using the +// MSVC intrinsics if the clz and clzll builtins are not available. +#if FMT_MSC_VER && !defined(FMT_BUILTIN_CLZLL) && !defined(_MANAGED) +# include // _BitScanReverse, _BitScanReverse64 + +FMT_BEGIN_NAMESPACE +namespace internal { +// Avoid Clang with Microsoft CodeGen's -Wunknown-pragmas warning. +# ifndef __clang__ +# pragma intrinsic(_BitScanReverse) +# endif +inline uint32_t clz(uint32_t x) { + unsigned long r = 0; + _BitScanReverse(&r, x); + + assert(x != 0); + // Static analysis complains about using uninitialized data + // "r", but the only way that can happen is if "x" is 0, + // which the callers guarantee to not happen. +# pragma warning(suppress: 6102) + return 31 - r; +} +# define FMT_BUILTIN_CLZ(n) fmt::internal::clz(n) + +# if defined(_WIN64) && !defined(__clang__) +# pragma intrinsic(_BitScanReverse64) +# endif + +inline uint32_t clzll(uint64_t x) { + unsigned long r = 0; +# ifdef _WIN64 + _BitScanReverse64(&r, x); +# else + // Scan the high 32 bits. + if (_BitScanReverse(&r, static_cast(x >> 32))) + return 63 - (r + 32); + + // Scan the low 32 bits. + _BitScanReverse(&r, static_cast(x)); +# endif + + assert(x != 0); + // Static analysis complains about using uninitialized data + // "r", but the only way that can happen is if "x" is 0, + // which the callers guarantee to not happen. +# pragma warning(suppress: 6102) + return 63 - r; +} +# define FMT_BUILTIN_CLZLL(n) fmt::internal::clzll(n) +} +FMT_END_NAMESPACE +#endif + +FMT_BEGIN_NAMESPACE +namespace internal { + +// An equivalent of `*reinterpret_cast(&source)` that doesn't produce +// undefined behavior (e.g. due to type aliasing). +// Example: uint64_t d = bit_cast(2.718); +template +inline Dest bit_cast(const Source& source) { + static_assert(sizeof(Dest) == sizeof(Source), "size mismatch"); + Dest dest; + std::memcpy(&dest, &source, sizeof(dest)); + return dest; +} + +// An implementation of begin and end for pre-C++11 compilers such as gcc 4. +template +FMT_CONSTEXPR auto begin(const C &c) -> decltype(c.begin()) { + return c.begin(); +} +template +FMT_CONSTEXPR T *begin(T (&array)[N]) FMT_NOEXCEPT { return array; } +template +FMT_CONSTEXPR auto end(const C &c) -> decltype(c.end()) { return c.end(); } +template +FMT_CONSTEXPR T *end(T (&array)[N]) FMT_NOEXCEPT { return array + N; } + +// For std::result_of in gcc 4.4. +template +struct function { + template + struct result { typedef Result type; }; +}; + +struct dummy_int { + int data[2]; + operator int() const { return 0; } +}; +typedef std::numeric_limits fputil; + +// Dummy implementations of system functions such as signbit and ecvt called +// if the latter are not available. +inline dummy_int signbit(...) { return dummy_int(); } +inline dummy_int _ecvt_s(...) { return dummy_int(); } +inline dummy_int isinf(...) { return dummy_int(); } +inline dummy_int _finite(...) { return dummy_int(); } +inline dummy_int isnan(...) { return dummy_int(); } +inline dummy_int _isnan(...) { return dummy_int(); } + +inline bool use_grisu() { + return FMT_USE_GRISU && std::numeric_limits::is_iec559; +} + +// Formats value using Grisu2 algorithm: +// https://www.cs.tufts.edu/~nr/cs257/archive/florian-loitsch/printf.pdf +FMT_API void grisu2_format(double value, char *buffer, size_t &size, char type, + int precision, bool write_decimal_point); + +template +typename Allocator::value_type *allocate(Allocator& alloc, std::size_t n) { +#if __cplusplus >= 201103L || FMT_MSC_VER >= 1700 + return std::allocator_traits::allocate(alloc, n); +#else + return alloc.allocate(n); +#endif +} + +// A helper function to suppress bogus "conditional expression is constant" +// warnings. +template +inline T const_check(T value) { return value; } +} // namespace internal +FMT_END_NAMESPACE + +namespace std { +// Standard permits specialization of std::numeric_limits. This specialization +// is used to resolve ambiguity between isinf and std::isinf in glibc: +// https://gcc.gnu.org/bugzilla/show_bug.cgi?id=48891 +// and the same for isnan and signbit. +template <> +class numeric_limits : + public std::numeric_limits { + public: + // Portable version of isinf. + template + static bool isinfinity(T x) { + using namespace fmt::internal; + // The resolution "priority" is: + // isinf macro > std::isinf > ::isinf > fmt::internal::isinf + if (const_check(sizeof(isinf(x)) != sizeof(dummy_int))) + return isinf(x) != 0; + return !_finite(static_cast(x)); + } + + // Portable version of isnan. + template + static bool isnotanumber(T x) { + using namespace fmt::internal; + if (const_check(sizeof(isnan(x)) != sizeof(fmt::internal::dummy_int))) + return isnan(x) != 0; + return _isnan(static_cast(x)) != 0; + } + + // Portable version of signbit. + static bool isnegative(double x) { + using namespace fmt::internal; + if (const_check(sizeof(signbit(x)) != sizeof(fmt::internal::dummy_int))) + return signbit(x) != 0; + if (x < 0) return true; + if (!isnotanumber(x)) return false; + int dec = 0, sign = 0; + char buffer[2]; // The buffer size must be >= 2 or _ecvt_s will fail. + _ecvt_s(buffer, sizeof(buffer), x, 0, &dec, &sign); + return sign != 0; + } +}; +} // namespace std + +FMT_BEGIN_NAMESPACE +template +class basic_writer; + +template +class output_range { + private: + OutputIt it_; + + // Unused yet. + typedef void sentinel; + sentinel end() const; + + public: + typedef OutputIt iterator; + typedef T value_type; + + explicit output_range(OutputIt it): it_(it) {} + OutputIt begin() const { return it_; } +}; + +// A range where begin() returns back_insert_iterator. +template +class back_insert_range: + public output_range> { + typedef output_range> base; + public: + typedef typename Container::value_type value_type; + + back_insert_range(Container &c): base(std::back_inserter(c)) {} + back_insert_range(typename base::iterator it): base(it) {} +}; + +typedef basic_writer> writer; +typedef basic_writer> wwriter; + +/** A formatting error such as invalid format string. */ +class format_error : public std::runtime_error { + public: + explicit format_error(const char *message) + : std::runtime_error(message) {} + + explicit format_error(const std::string &message) + : std::runtime_error(message) {} +}; + +namespace internal { + +#if FMT_SECURE_SCL +template +struct checked { typedef stdext::checked_array_iterator type; }; + +// Make a checked iterator to avoid warnings on MSVC. +template +inline stdext::checked_array_iterator make_checked(T *p, std::size_t size) { + return {p, size}; +} +#else +template +struct checked { typedef T *type; }; +template +inline T *make_checked(T *p, std::size_t) { return p; } +#endif + +template +template +void basic_buffer::append(const U *begin, const U *end) { + std::size_t new_size = size_ + internal::to_unsigned(end - begin); + reserve(new_size); + std::uninitialized_copy(begin, end, + internal::make_checked(ptr_, capacity_) + size_); + size_ = new_size; +} +} // namespace internal + +// A UTF-8 code unit type. +struct char8_t { + char value; + FMT_CONSTEXPR explicit operator bool() const FMT_NOEXCEPT { + return value != 0; + } +}; + +// A UTF-8 string view. +class u8string_view : public basic_string_view { + private: + typedef basic_string_view base; + + public: + using basic_string_view::basic_string_view; + using basic_string_view::char_type; + + u8string_view(const char *s) + : base(reinterpret_cast(s)) {} + + u8string_view(const char *s, size_t count) FMT_NOEXCEPT + : base(reinterpret_cast(s), count) {} +}; + +#if FMT_USE_USER_DEFINED_LITERALS +inline namespace literals { +inline u8string_view operator"" _u(const char *s, std::size_t n) { + return u8string_view(s, n); +} +} +#endif + +// A wrapper around std::locale used to reduce compile times since +// is very heavy. +class locale; + +class locale_provider { + public: + virtual ~locale_provider() {} + virtual fmt::locale locale(); +}; + +// The number of characters to store in the basic_memory_buffer object itself +// to avoid dynamic memory allocation. +enum { inline_buffer_size = 500 }; + +/** + \rst + A dynamically growing memory buffer for trivially copyable/constructible types + with the first ``SIZE`` elements stored in the object itself. + + You can use one of the following typedefs for common character types: + + +----------------+------------------------------+ + | Type | Definition | + +================+==============================+ + | memory_buffer | basic_memory_buffer | + +----------------+------------------------------+ + | wmemory_buffer | basic_memory_buffer | + +----------------+------------------------------+ + + **Example**:: + + fmt::memory_buffer out; + format_to(out, "The answer is {}.", 42); + + This will write the following output to the ``out`` object: + + .. code-block:: none + + The answer is 42. + + The output can be converted to an ``std::string`` with ``to_string(out)``. + \endrst + */ +template > +class basic_memory_buffer: private Allocator, public internal::basic_buffer { + private: + T store_[SIZE]; + + // Deallocate memory allocated by the buffer. + void deallocate() { + T* data = this->data(); + if (data != store_) Allocator::deallocate(data, this->capacity()); + } + + protected: + void grow(std::size_t size) FMT_OVERRIDE; + + public: + explicit basic_memory_buffer(const Allocator &alloc = Allocator()) + : Allocator(alloc) { + this->set(store_, SIZE); + } + ~basic_memory_buffer() { deallocate(); } + + private: + // Move data from other to this buffer. + void move(basic_memory_buffer &other) { + Allocator &this_alloc = *this, &other_alloc = other; + this_alloc = std::move(other_alloc); + T* data = other.data(); + std::size_t size = other.size(), capacity = other.capacity(); + if (data == other.store_) { + this->set(store_, capacity); + std::uninitialized_copy(other.store_, other.store_ + size, + internal::make_checked(store_, capacity)); + } else { + this->set(data, capacity); + // Set pointer to the inline array so that delete is not called + // when deallocating. + other.set(other.store_, 0); + } + this->resize(size); + } + + public: + /** + \rst + Constructs a :class:`fmt::basic_memory_buffer` object moving the content + of the other object to it. + \endrst + */ + basic_memory_buffer(basic_memory_buffer &&other) { + move(other); + } + + /** + \rst + Moves the content of the other ``basic_memory_buffer`` object to this one. + \endrst + */ + basic_memory_buffer &operator=(basic_memory_buffer &&other) { + assert(this != &other); + deallocate(); + move(other); + return *this; + } + + // Returns a copy of the allocator associated with this buffer. + Allocator get_allocator() const { return *this; } +}; + +template +void basic_memory_buffer::grow(std::size_t size) { + std::size_t old_capacity = this->capacity(); + std::size_t new_capacity = old_capacity + old_capacity / 2; + if (size > new_capacity) + new_capacity = size; + T *old_data = this->data(); + T *new_data = internal::allocate(*this, new_capacity); + // The following code doesn't throw, so the raw pointer above doesn't leak. + std::uninitialized_copy(old_data, old_data + this->size(), + internal::make_checked(new_data, new_capacity)); + this->set(new_data, new_capacity); + // deallocate must not throw according to the standard, but even if it does, + // the buffer already uses the new storage and will deallocate it in + // destructor. + if (old_data != store_) + Allocator::deallocate(old_data, old_capacity); +} + +typedef basic_memory_buffer memory_buffer; +typedef basic_memory_buffer wmemory_buffer; + +/** + \rst + A fixed-size memory buffer. For a dynamically growing buffer use + :class:`fmt::basic_memory_buffer`. + + Trying to increase the buffer size past the initial capacity will throw + ``std::runtime_error``. + \endrst + */ +template +class basic_fixed_buffer : public internal::basic_buffer { + public: + /** + \rst + Constructs a :class:`fmt::basic_fixed_buffer` object for *array* of the + given size. + \endrst + */ + basic_fixed_buffer(Char *array, std::size_t size) { + this->set(array, size); + } + + /** + \rst + Constructs a :class:`fmt::basic_fixed_buffer` object for *array* of the + size known at compile time. + \endrst + */ + template + explicit basic_fixed_buffer(Char (&array)[SIZE]) { + this->set(array, SIZE); + } + + protected: + FMT_API void grow(std::size_t size) FMT_OVERRIDE; +}; + +namespace internal { + +template +struct char_traits; + +template <> +struct char_traits { + // Formats a floating-point number. + template + FMT_API static int format_float(char *buffer, std::size_t size, + const char *format, int precision, T value); +}; + +template <> +struct char_traits { + template + FMT_API static int format_float(wchar_t *buffer, std::size_t size, + const wchar_t *format, int precision, T value); +}; + +#if FMT_USE_EXTERN_TEMPLATES +extern template int char_traits::format_float( + char *buffer, std::size_t size, const char* format, int precision, + double value); +extern template int char_traits::format_float( + char *buffer, std::size_t size, const char* format, int precision, + long double value); + +extern template int char_traits::format_float( + wchar_t *buffer, std::size_t size, const wchar_t* format, int precision, + double value); +extern template int char_traits::format_float( + wchar_t *buffer, std::size_t size, const wchar_t* format, int precision, + long double value); +#endif + +template +inline typename std::enable_if< + is_contiguous::value, + typename checked::type>::type + reserve(std::back_insert_iterator &it, std::size_t n) { + Container &c = internal::get_container(it); + std::size_t size = c.size(); + c.resize(size + n); + return make_checked(&c[size], n); +} + +template +inline Iterator &reserve(Iterator &it, std::size_t) { return it; } + +template +class null_terminating_iterator; + +template +FMT_CONSTEXPR_DECL const Char *pointer_from(null_terminating_iterator it); + +// An iterator that produces a null terminator on *end. This simplifies parsing +// and allows comparing the performance of processing a null-terminated string +// vs string_view. +template +class null_terminating_iterator { + public: + typedef std::ptrdiff_t difference_type; + typedef Char value_type; + typedef const Char* pointer; + typedef const Char& reference; + typedef std::random_access_iterator_tag iterator_category; + + null_terminating_iterator() : ptr_(0), end_(0) {} + + FMT_CONSTEXPR null_terminating_iterator(const Char *ptr, const Char *end) + : ptr_(ptr), end_(end) {} + + template + FMT_CONSTEXPR explicit null_terminating_iterator(const Range &r) + : ptr_(r.begin()), end_(r.end()) {} + + FMT_CONSTEXPR null_terminating_iterator &operator=(const Char *ptr) { + assert(ptr <= end_); + ptr_ = ptr; + return *this; + } + + FMT_CONSTEXPR Char operator*() const { + return ptr_ != end_ ? *ptr_ : 0; + } + + FMT_CONSTEXPR null_terminating_iterator operator++() { + ++ptr_; + return *this; + } + + FMT_CONSTEXPR null_terminating_iterator operator++(int) { + null_terminating_iterator result(*this); + ++ptr_; + return result; + } + + FMT_CONSTEXPR null_terminating_iterator operator--() { + --ptr_; + return *this; + } + + FMT_CONSTEXPR null_terminating_iterator operator+(difference_type n) { + return null_terminating_iterator(ptr_ + n, end_); + } + + FMT_CONSTEXPR null_terminating_iterator operator-(difference_type n) { + return null_terminating_iterator(ptr_ - n, end_); + } + + FMT_CONSTEXPR null_terminating_iterator operator+=(difference_type n) { + ptr_ += n; + return *this; + } + + FMT_CONSTEXPR difference_type operator-( + null_terminating_iterator other) const { + return ptr_ - other.ptr_; + } + + FMT_CONSTEXPR bool operator!=(null_terminating_iterator other) const { + return ptr_ != other.ptr_; + } + + bool operator>=(null_terminating_iterator other) const { + return ptr_ >= other.ptr_; + } + + // This should be a friend specialization pointer_from but the latter + // doesn't compile by gcc 5.1 due to a compiler bug. + template + friend FMT_CONSTEXPR_DECL const CharT *pointer_from( + null_terminating_iterator it); + + private: + const Char *ptr_; + const Char *end_; +}; + +template +FMT_CONSTEXPR const T *pointer_from(const T *p) { return p; } + +template +FMT_CONSTEXPR const Char *pointer_from(null_terminating_iterator it) { + return it.ptr_; +} + +// An output iterator that counts the number of objects written to it and +// discards them. +template +class counting_iterator { + private: + std::size_t count_; + mutable T blackhole_; + + public: + typedef std::output_iterator_tag iterator_category; + typedef T value_type; + typedef std::ptrdiff_t difference_type; + typedef T* pointer; + typedef T& reference; + typedef counting_iterator _Unchecked_type; // Mark iterator as checked. + + counting_iterator(): count_(0) {} + + std::size_t count() const { return count_; } + + counting_iterator& operator++() { + ++count_; + return *this; + } + + counting_iterator operator++(int) { + auto it = *this; + ++*this; + return it; + } + + T &operator*() const { return blackhole_; } +}; + +// An output iterator that truncates the output and counts the number of objects +// written to it. +template +class truncating_iterator { + private: + typedef std::iterator_traits traits; + + OutputIt out_; + std::size_t limit_; + std::size_t count_; + mutable typename traits::value_type blackhole_; + + public: + typedef std::output_iterator_tag iterator_category; + typedef typename traits::value_type value_type; + typedef typename traits::difference_type difference_type; + typedef typename traits::pointer pointer; + typedef typename traits::reference reference; + typedef truncating_iterator _Unchecked_type; // Mark iterator as checked. + + truncating_iterator(OutputIt out, std::size_t limit) + : out_(out), limit_(limit), count_(0) {} + + OutputIt base() const { return out_; } + std::size_t count() const { return count_; } + + truncating_iterator& operator++() { + if (count_++ < limit_) + ++out_; + return *this; + } + + truncating_iterator operator++(int) { + auto it = *this; + ++*this; + return it; + } + + reference operator*() const { return count_ < limit_ ? *out_ : blackhole_; } +}; + +// Returns true if value is negative, false otherwise. +// Same as (value < 0) but doesn't produce warnings if T is an unsigned type. +template +FMT_CONSTEXPR typename std::enable_if< + std::numeric_limits::is_signed, bool>::type is_negative(T value) { + return value < 0; +} +template +FMT_CONSTEXPR typename std::enable_if< + !std::numeric_limits::is_signed, bool>::type is_negative(T) { + return false; +} + +template +struct int_traits { + // Smallest of uint32_t and uint64_t that is large enough to represent + // all values of T. + typedef typename std::conditional< + std::numeric_limits::digits <= 32, uint32_t, uint64_t>::type main_type; +}; + +// Static data is placed in this class template to allow header-only +// configuration. +template +struct FMT_API basic_data { + static const uint32_t POWERS_OF_10_32[]; + static const uint32_t ZERO_OR_POWERS_OF_10_32[]; + static const uint64_t ZERO_OR_POWERS_OF_10_64[]; + static const uint64_t POW10_SIGNIFICANDS[]; + static const int16_t POW10_EXPONENTS[]; + static const char DIGITS[]; + static const char RESET_COLOR[]; + static const wchar_t WRESET_COLOR[]; +}; + +#if FMT_USE_EXTERN_TEMPLATES +extern template struct basic_data; +#endif + +typedef basic_data<> data; + +#ifdef FMT_BUILTIN_CLZLL +// Returns the number of decimal digits in n. Leading zeros are not counted +// except for n == 0 in which case count_digits returns 1. +inline unsigned count_digits(uint64_t n) { + // Based on http://graphics.stanford.edu/~seander/bithacks.html#IntegerLog10 + // and the benchmark https://github.com/localvoid/cxx-benchmark-count-digits. + int t = (64 - FMT_BUILTIN_CLZLL(n | 1)) * 1233 >> 12; + return to_unsigned(t) - (n < data::ZERO_OR_POWERS_OF_10_64[t]) + 1; +} +#else +// Fallback version of count_digits used when __builtin_clz is not available. +inline unsigned count_digits(uint64_t n) { + unsigned count = 1; + for (;;) { + // Integer division is slow so do it for a group of four digits instead + // of for every digit. The idea comes from the talk by Alexandrescu + // "Three Optimization Tips for C++". See speed-test for a comparison. + if (n < 10) return count; + if (n < 100) return count + 1; + if (n < 1000) return count + 2; + if (n < 10000) return count + 3; + n /= 10000u; + count += 4; + } +} +#endif + +// Counts the number of code points in a UTF-8 string. +FMT_API size_t count_code_points(u8string_view s); + +#if FMT_HAS_CPP_ATTRIBUTE(always_inline) +# define FMT_ALWAYS_INLINE __attribute__((always_inline)) +#else +# define FMT_ALWAYS_INLINE +#endif + +template +inline char *lg(uint32_t n, Handler h) FMT_ALWAYS_INLINE; + +// Computes g = floor(log10(n)) and calls h.on(n); +template +inline char *lg(uint32_t n, Handler h) { + return n < 100 ? n < 10 ? h.template on<0>(n) : h.template on<1>(n) + : n < 1000000 + ? n < 10000 ? n < 1000 ? h.template on<2>(n) + : h.template on<3>(n) + : n < 100000 ? h.template on<4>(n) + : h.template on<5>(n) + : n < 100000000 ? n < 10000000 ? h.template on<6>(n) + : h.template on<7>(n) + : n < 1000000000 ? h.template on<8>(n) + : h.template on<9>(n); +} + +// An lg handler that formats a decimal number. +// Usage: lg(n, decimal_formatter(buffer)); +class decimal_formatter { + private: + char *buffer_; + + void write_pair(unsigned N, uint32_t index) { + std::memcpy(buffer_ + N, data::DIGITS + index * 2, 2); + } + + public: + explicit decimal_formatter(char *buf) : buffer_(buf) {} + + template char *on(uint32_t u) { + if (N == 0) { + *buffer_ = static_cast(u) + '0'; + } else if (N == 1) { + write_pair(0, u); + } else { + // The idea of using 4.32 fixed-point numbers is based on + // https://github.com/jeaiii/itoa + unsigned n = N - 1; + unsigned a = n / 5 * n * 53 / 16; + uint64_t t = ((1ULL << (32 + a)) / + data::ZERO_OR_POWERS_OF_10_32[n] + 1 - n / 9); + t = ((t * u) >> a) + n / 5 * 4; + write_pair(0, t >> 32); + for (unsigned i = 2; i < N; i += 2) { + t = 100ULL * static_cast(t); + write_pair(i, t >> 32); + } + if (N % 2 == 0) { + buffer_[N] = static_cast( + (10ULL * static_cast(t)) >> 32) + '0'; + } + } + return buffer_ += N + 1; + } +}; + +// An lg handler that formats a decimal number with a terminating null. +class decimal_formatter_null : public decimal_formatter { + public: + explicit decimal_formatter_null(char *buf) : decimal_formatter(buf) {} + + template char *on(uint32_t u) { + char *buf = decimal_formatter::on(u); + *buf = '\0'; + return buf; + } +}; + +#ifdef FMT_BUILTIN_CLZ +// Optional version of count_digits for better performance on 32-bit platforms. +inline unsigned count_digits(uint32_t n) { + int t = (32 - FMT_BUILTIN_CLZ(n | 1)) * 1233 >> 12; + return to_unsigned(t) - (n < data::ZERO_OR_POWERS_OF_10_32[t]) + 1; +} +#endif + +// A functor that doesn't add a thousands separator. +struct no_thousands_sep { + typedef char char_type; + + template + void operator()(Char *) {} +}; + +// A functor that adds a thousands separator. +template +class add_thousands_sep { + private: + basic_string_view sep_; + + // Index of a decimal digit with the least significant digit having index 0. + unsigned digit_index_; + + public: + typedef Char char_type; + + explicit add_thousands_sep(basic_string_view sep) + : sep_(sep), digit_index_(0) {} + + void operator()(Char *&buffer) { + if (++digit_index_ % 3 != 0) + return; + buffer -= sep_.size(); + std::uninitialized_copy(sep_.data(), sep_.data() + sep_.size(), + internal::make_checked(buffer, sep_.size())); + } +}; + +template +FMT_API Char thousands_sep(locale_provider *lp); + +// Formats a decimal unsigned integer value writing into buffer. +// thousands_sep is a functor that is called after writing each char to +// add a thousands separator if necessary. +template +inline Char *format_decimal(Char *buffer, UInt value, unsigned num_digits, + ThousandsSep thousands_sep) { + buffer += num_digits; + Char *end = buffer; + while (value >= 100) { + // Integer division is slow so do it for a group of two digits instead + // of for every digit. The idea comes from the talk by Alexandrescu + // "Three Optimization Tips for C++". See speed-test for a comparison. + unsigned index = static_cast((value % 100) * 2); + value /= 100; + *--buffer = data::DIGITS[index + 1]; + thousands_sep(buffer); + *--buffer = data::DIGITS[index]; + thousands_sep(buffer); + } + if (value < 10) { + *--buffer = static_cast('0' + value); + return end; + } + unsigned index = static_cast(value * 2); + *--buffer = data::DIGITS[index + 1]; + thousands_sep(buffer); + *--buffer = data::DIGITS[index]; + return end; +} + +template +inline Iterator format_decimal( + Iterator out, UInt value, unsigned num_digits, ThousandsSep sep) { + typedef typename ThousandsSep::char_type char_type; + // Buffer should be large enough to hold all digits (digits10 + 1) and null. + char_type buffer[std::numeric_limits::digits10 + 2]; + format_decimal(buffer, value, num_digits, sep); + return std::copy_n(buffer, num_digits, out); +} + +template +inline It format_decimal(It out, UInt value, unsigned num_digits) { + return format_decimal(out, value, num_digits, no_thousands_sep()); +} + +template +inline Char *format_uint(Char *buffer, UInt value, unsigned num_digits, + bool upper = false) { + buffer += num_digits; + Char *end = buffer; + do { + const char *digits = upper ? "0123456789ABCDEF" : "0123456789abcdef"; + unsigned digit = (value & ((1 << BASE_BITS) - 1)); + *--buffer = BASE_BITS < 4 ? static_cast('0' + digit) : digits[digit]; + } while ((value >>= BASE_BITS) != 0); + return end; +} + +template +inline It format_uint(It out, UInt value, unsigned num_digits, + bool upper = false) { + // Buffer should be large enough to hold all digits (digits / BASE_BITS + 1) + // and null. + char buffer[std::numeric_limits::digits / BASE_BITS + 2]; + format_uint(buffer, value, num_digits, upper); + return std::copy_n(buffer, num_digits, out); +} + +#ifndef _WIN32 +# define FMT_USE_WINDOWS_H 0 +#elif !defined(FMT_USE_WINDOWS_H) +# define FMT_USE_WINDOWS_H 1 +#endif + +// Define FMT_USE_WINDOWS_H to 0 to disable use of windows.h. +// All the functionality that relies on it will be disabled too. +#if FMT_USE_WINDOWS_H +// A converter from UTF-8 to UTF-16. +// It is only provided for Windows since other systems support UTF-8 natively. +class utf8_to_utf16 { + private: + wmemory_buffer buffer_; + + public: + FMT_API explicit utf8_to_utf16(string_view s); + operator wstring_view() const { return wstring_view(&buffer_[0], size()); } + size_t size() const { return buffer_.size() - 1; } + const wchar_t *c_str() const { return &buffer_[0]; } + std::wstring str() const { return std::wstring(&buffer_[0], size()); } +}; + +// A converter from UTF-16 to UTF-8. +// It is only provided for Windows since other systems support UTF-8 natively. +class utf16_to_utf8 { + private: + memory_buffer buffer_; + + public: + utf16_to_utf8() {} + FMT_API explicit utf16_to_utf8(wstring_view s); + operator string_view() const { return string_view(&buffer_[0], size()); } + size_t size() const { return buffer_.size() - 1; } + const char *c_str() const { return &buffer_[0]; } + std::string str() const { return std::string(&buffer_[0], size()); } + + // Performs conversion returning a system error code instead of + // throwing exception on conversion error. This method may still throw + // in case of memory allocation error. + FMT_API int convert(wstring_view s); +}; + +FMT_API void format_windows_error(fmt::internal::buffer &out, int error_code, + fmt::string_view message) FMT_NOEXCEPT; +#endif + +template +struct null {}; +} // namespace internal + +enum alignment { + ALIGN_DEFAULT, ALIGN_LEFT, ALIGN_RIGHT, ALIGN_CENTER, ALIGN_NUMERIC +}; + +// Flags. +enum {SIGN_FLAG = 1, PLUS_FLAG = 2, MINUS_FLAG = 4, HASH_FLAG = 8}; + +enum format_spec_tag {fill_tag, align_tag, width_tag, type_tag}; + +// Format specifier. +template +class format_spec { + private: + T value_; + + public: + typedef T value_type; + + explicit format_spec(T value) : value_(value) {} + + T value() const { return value_; } +}; + +// template +// typedef format_spec fill_spec; +template +class fill_spec : public format_spec { + public: + explicit fill_spec(Char value) : format_spec(value) {} +}; + +typedef format_spec width_spec; +typedef format_spec type_spec; + +// An empty format specifier. +struct empty_spec {}; + +// An alignment specifier. +struct align_spec : empty_spec { + unsigned width_; + // Fill is always wchar_t and cast to char if necessary to avoid having + // two specialization of AlignSpec and its subclasses. + wchar_t fill_; + alignment align_; + + FMT_CONSTEXPR align_spec( + unsigned width, wchar_t fill, alignment align = ALIGN_DEFAULT) + : width_(width), fill_(fill), align_(align) {} + + FMT_CONSTEXPR unsigned width() const { return width_; } + FMT_CONSTEXPR wchar_t fill() const { return fill_; } + FMT_CONSTEXPR alignment align() const { return align_; } + + int precision() const { return -1; } +}; + +// Format specifiers. +template +class basic_format_specs : public align_spec { + public: + unsigned flags_; + int precision_; + Char type_; + + FMT_CONSTEXPR basic_format_specs( + unsigned width = 0, char type = 0, wchar_t fill = ' ') + : align_spec(width, fill), flags_(0), precision_(-1), type_(type) {} + + FMT_CONSTEXPR bool flag(unsigned f) const { return (flags_ & f) != 0; } + FMT_CONSTEXPR int precision() const { return precision_; } + FMT_CONSTEXPR Char type() const { return type_; } +}; + +typedef basic_format_specs format_specs; + +template +FMT_CONSTEXPR unsigned basic_parse_context::next_arg_id() { + if (next_arg_id_ >= 0) + return internal::to_unsigned(next_arg_id_++); + on_error("cannot switch from manual to automatic argument indexing"); + return 0; +} + +namespace internal { + +template +struct format_string_traits< + S, typename std::enable_if::value>::type>: + format_string_traits_base {}; + +template +FMT_CONSTEXPR void handle_int_type_spec(Char spec, Handler &&handler) { + switch (spec) { + case 0: case 'd': + handler.on_dec(); + break; + case 'x': case 'X': + handler.on_hex(); + break; + case 'b': case 'B': + handler.on_bin(); + break; + case 'o': + handler.on_oct(); + break; + case 'n': + handler.on_num(); + break; + default: + handler.on_error(); + } +} + +template +FMT_CONSTEXPR void handle_float_type_spec(Char spec, Handler &&handler) { + switch (spec) { + case 0: case 'g': case 'G': + handler.on_general(); + break; + case 'e': case 'E': + handler.on_exp(); + break; + case 'f': case 'F': + handler.on_fixed(); + break; + case 'a': case 'A': + handler.on_hex(); + break; + default: + handler.on_error(); + break; + } +} + +template +FMT_CONSTEXPR void handle_char_specs( + const basic_format_specs *specs, Handler &&handler) { + if (!specs) return handler.on_char(); + if (specs->type() && specs->type() != 'c') return handler.on_int(); + if (specs->align() == ALIGN_NUMERIC || specs->flag(~0u) != 0) + handler.on_error("invalid format specifier for char"); + handler.on_char(); +} + +template +FMT_CONSTEXPR void handle_cstring_type_spec(Char spec, Handler &&handler) { + if (spec == 0 || spec == 's') + handler.on_string(); + else if (spec == 'p') + handler.on_pointer(); + else + handler.on_error("invalid type specifier"); +} + +template +FMT_CONSTEXPR void check_string_type_spec(Char spec, ErrorHandler &&eh) { + if (spec != 0 && spec != 's') + eh.on_error("invalid type specifier"); +} + +template +FMT_CONSTEXPR void check_pointer_type_spec(Char spec, ErrorHandler &&eh) { + if (spec != 0 && spec != 'p') + eh.on_error("invalid type specifier"); +} + +template +class int_type_checker : private ErrorHandler { + public: + FMT_CONSTEXPR explicit int_type_checker(ErrorHandler eh) : ErrorHandler(eh) {} + + FMT_CONSTEXPR void on_dec() {} + FMT_CONSTEXPR void on_hex() {} + FMT_CONSTEXPR void on_bin() {} + FMT_CONSTEXPR void on_oct() {} + FMT_CONSTEXPR void on_num() {} + + FMT_CONSTEXPR void on_error() { + ErrorHandler::on_error("invalid type specifier"); + } +}; + +template +class float_type_checker : private ErrorHandler { + public: + FMT_CONSTEXPR explicit float_type_checker(ErrorHandler eh) + : ErrorHandler(eh) {} + + FMT_CONSTEXPR void on_general() {} + FMT_CONSTEXPR void on_exp() {} + FMT_CONSTEXPR void on_fixed() {} + FMT_CONSTEXPR void on_hex() {} + + FMT_CONSTEXPR void on_error() { + ErrorHandler::on_error("invalid type specifier"); + } +}; + +template +class char_specs_checker : public ErrorHandler { + private: + CharType type_; + + public: + FMT_CONSTEXPR char_specs_checker(CharType type, ErrorHandler eh) + : ErrorHandler(eh), type_(type) {} + + FMT_CONSTEXPR void on_int() { + handle_int_type_spec(type_, int_type_checker(*this)); + } + FMT_CONSTEXPR void on_char() {} +}; + +template +class cstring_type_checker : public ErrorHandler { + public: + FMT_CONSTEXPR explicit cstring_type_checker(ErrorHandler eh) + : ErrorHandler(eh) {} + + FMT_CONSTEXPR void on_string() {} + FMT_CONSTEXPR void on_pointer() {} +}; + +template +void arg_map::init(const basic_format_args &args) { + if (map_) + return; + map_ = new entry[args.max_size()]; + bool use_values = args.type(max_packed_args - 1) == internal::none_type; + if (use_values) { + for (unsigned i = 0;/*nothing*/; ++i) { + internal::type arg_type = args.type(i); + switch (arg_type) { + case internal::none_type: + return; + case internal::named_arg_type: + push_back(args.values_[i]); + break; + default: + break; // Do nothing. + } + } + } + for (unsigned i = 0; ; ++i) { + switch (args.args_[i].type_) { + case internal::none_type: + return; + case internal::named_arg_type: + push_back(args.args_[i].value_); + break; + default: + break; // Do nothing. + } + } +} + +template +class arg_formatter_base { + public: + typedef typename Range::value_type char_type; + typedef decltype(internal::declval().begin()) iterator; + typedef basic_format_specs format_specs; + + private: + typedef basic_writer writer_type; + writer_type writer_; + format_specs *specs_; + + struct char_writer { + char_type value; + template + void operator()(It &&it) const { *it++ = value; } + }; + + void write_char(char_type value) { + if (specs_) + writer_.write_padded(1, *specs_, char_writer{value}); + else + writer_.write(value); + } + + void write_pointer(const void *p) { + format_specs specs = specs_ ? *specs_ : format_specs(); + specs.flags_ = HASH_FLAG; + specs.type_ = 'x'; + writer_.write_int(reinterpret_cast(p), specs); + } + + protected: + writer_type &writer() { return writer_; } + format_specs *spec() { return specs_; } + iterator out() { return writer_.out(); } + + void write(bool value) { + string_view sv(value ? "true" : "false"); + specs_ ? writer_.write_str(sv, *specs_) : writer_.write(sv); + } + + void write(const char_type *value) { + if (!value) + FMT_THROW(format_error("string pointer is null")); + auto length = std::char_traits::length(value); + basic_string_view sv(value, length); + specs_ ? writer_.write_str(sv, *specs_) : writer_.write(sv); + } + + public: + arg_formatter_base(Range r, format_specs *s): writer_(r), specs_(s) {} + + iterator operator()(monostate) { + FMT_ASSERT(false, "invalid argument type"); + return out(); + } + + template + typename std::enable_if::value, iterator>::type + operator()(T value) { + // MSVC2013 fails to compile separate overloads for bool and char_type so + // use std::is_same instead. + if (std::is_same::value) { + if (specs_ && specs_->type_) + return (*this)(value ? 1 : 0); + write(value != 0); + } else if (std::is_same::value) { + internal::handle_char_specs( + specs_, char_spec_handler(*this, static_cast(value))); + } else { + specs_ ? writer_.write_int(value, *specs_) : writer_.write(value); + } + return out(); + } + + template + typename std::enable_if::value, iterator>::type + operator()(T value) { + writer_.write_double(value, specs_ ? *specs_ : format_specs()); + return out(); + } + + struct char_spec_handler : internal::error_handler { + arg_formatter_base &formatter; + char_type value; + + char_spec_handler(arg_formatter_base& f, char_type val) + : formatter(f), value(val) {} + + void on_int() { + if (formatter.specs_) + formatter.writer_.write_int(value, *formatter.specs_); + else + formatter.writer_.write(value); + } + void on_char() { formatter.write_char(value); } + }; + + struct cstring_spec_handler : internal::error_handler { + arg_formatter_base &formatter; + const char_type *value; + + cstring_spec_handler(arg_formatter_base &f, const char_type *val) + : formatter(f), value(val) {} + + void on_string() { formatter.write(value); } + void on_pointer() { formatter.write_pointer(value); } + }; + + iterator operator()(const char_type *value) { + if (!specs_) return write(value), out(); + internal::handle_cstring_type_spec( + specs_->type_, cstring_spec_handler(*this, value)); + return out(); + } + + iterator operator()(basic_string_view value) { + if (specs_) { + internal::check_string_type_spec( + specs_->type_, internal::error_handler()); + writer_.write_str(value, *specs_); + } else { + writer_.write(value); + } + return out(); + } + + iterator operator()(const void *value) { + if (specs_) + check_pointer_type_spec(specs_->type_, internal::error_handler()); + write_pointer(value); + return out(); + } +}; + +template +FMT_CONSTEXPR bool is_name_start(Char c) { + return ('a' <= c && c <= 'z') || ('A' <= c && c <= 'Z') || '_' == c; +} + +// DEPRECATED: Parses the input as an unsigned integer. This function assumes +// that the first character is a digit and presence of a non-digit character at +// the end. +// it: an iterator pointing to the beginning of the input range. +template +FMT_CONSTEXPR unsigned parse_nonnegative_int(Iterator &it, ErrorHandler &&eh) { + assert('0' <= *it && *it <= '9'); + unsigned value = 0; + // Convert to unsigned to prevent a warning. + unsigned max_int = (std::numeric_limits::max)(); + unsigned big = max_int / 10; + do { + // Check for overflow. + if (value > big) { + value = max_int + 1; + break; + } + value = value * 10 + unsigned(*it - '0'); + // Workaround for MSVC "setup_exception stack overflow" error: + auto next = it; + ++next; + it = next; + } while ('0' <= *it && *it <= '9'); + if (value > max_int) + eh.on_error("number is too big"); + return value; +} + +// Parses the range [begin, end) as an unsigned integer. This function assumes +// that the range is non-empty and the first character is a digit. +template +FMT_CONSTEXPR unsigned parse_nonnegative_int( + const Char *&begin, const Char *end, ErrorHandler &&eh) { + assert(begin != end && '0' <= *begin && *begin <= '9'); + unsigned value = 0; + // Convert to unsigned to prevent a warning. + unsigned max_int = (std::numeric_limits::max)(); + unsigned big = max_int / 10; + do { + // Check for overflow. + if (value > big) { + value = max_int + 1; + break; + } + value = value * 10 + unsigned(*begin++ - '0'); + } while (begin != end && '0' <= *begin && *begin <= '9'); + if (value > max_int) + eh.on_error("number is too big"); + return value; +} + +template +class custom_formatter: public function { + private: + Context &ctx_; + + public: + explicit custom_formatter(Context &ctx): ctx_(ctx) {} + + bool operator()(typename basic_format_arg::handle h) const { + h.format(ctx_); + return true; + } + + template + bool operator()(T) const { return false; } +}; + +template +struct is_integer { + enum { + value = std::is_integral::value && !std::is_same::value && + !std::is_same::value && !std::is_same::value + }; +}; + +template +class width_checker: public function { + public: + explicit FMT_CONSTEXPR width_checker(ErrorHandler &eh) : handler_(eh) {} + + template + FMT_CONSTEXPR + typename std::enable_if< + is_integer::value, unsigned long long>::type operator()(T value) { + if (is_negative(value)) + handler_.on_error("negative width"); + return static_cast(value); + } + + template + FMT_CONSTEXPR typename std::enable_if< + !is_integer::value, unsigned long long>::type operator()(T) { + handler_.on_error("width is not integer"); + return 0; + } + + private: + ErrorHandler &handler_; +}; + +template +class precision_checker: public function { + public: + explicit FMT_CONSTEXPR precision_checker(ErrorHandler &eh) : handler_(eh) {} + + template + FMT_CONSTEXPR typename std::enable_if< + is_integer::value, unsigned long long>::type operator()(T value) { + if (is_negative(value)) + handler_.on_error("negative precision"); + return static_cast(value); + } + + template + FMT_CONSTEXPR typename std::enable_if< + !is_integer::value, unsigned long long>::type operator()(T) { + handler_.on_error("precision is not integer"); + return 0; + } + + private: + ErrorHandler &handler_; +}; + +// A format specifier handler that sets fields in basic_format_specs. +template +class specs_setter { + public: + explicit FMT_CONSTEXPR specs_setter(basic_format_specs &specs): + specs_(specs) {} + + FMT_CONSTEXPR specs_setter(const specs_setter &other) : specs_(other.specs_) {} + + FMT_CONSTEXPR void on_align(alignment align) { specs_.align_ = align; } + FMT_CONSTEXPR void on_fill(Char fill) { specs_.fill_ = fill; } + FMT_CONSTEXPR void on_plus() { specs_.flags_ |= SIGN_FLAG | PLUS_FLAG; } + FMT_CONSTEXPR void on_minus() { specs_.flags_ |= MINUS_FLAG; } + FMT_CONSTEXPR void on_space() { specs_.flags_ |= SIGN_FLAG; } + FMT_CONSTEXPR void on_hash() { specs_.flags_ |= HASH_FLAG; } + + FMT_CONSTEXPR void on_zero() { + specs_.align_ = ALIGN_NUMERIC; + specs_.fill_ = '0'; + } + + FMT_CONSTEXPR void on_width(unsigned width) { specs_.width_ = width; } + FMT_CONSTEXPR void on_precision(unsigned precision) { + specs_.precision_ = static_cast(precision); + } + FMT_CONSTEXPR void end_precision() {} + + FMT_CONSTEXPR void on_type(Char type) { specs_.type_ = type; } + + protected: + basic_format_specs &specs_; +}; + +// A format specifier handler that checks if specifiers are consistent with the +// argument type. +template +class specs_checker : public Handler { + public: + FMT_CONSTEXPR specs_checker(const Handler& handler, internal::type arg_type) + : Handler(handler), arg_type_(arg_type) {} + + FMT_CONSTEXPR specs_checker(const specs_checker &other) + : Handler(other), arg_type_(other.arg_type_) {} + + FMT_CONSTEXPR void on_align(alignment align) { + if (align == ALIGN_NUMERIC) + require_numeric_argument(); + Handler::on_align(align); + } + + FMT_CONSTEXPR void on_plus() { + check_sign(); + Handler::on_plus(); + } + + FMT_CONSTEXPR void on_minus() { + check_sign(); + Handler::on_minus(); + } + + FMT_CONSTEXPR void on_space() { + check_sign(); + Handler::on_space(); + } + + FMT_CONSTEXPR void on_hash() { + require_numeric_argument(); + Handler::on_hash(); + } + + FMT_CONSTEXPR void on_zero() { + require_numeric_argument(); + Handler::on_zero(); + } + + FMT_CONSTEXPR void end_precision() { + if (is_integral(arg_type_) || arg_type_ == pointer_type) + this->on_error("precision not allowed for this argument type"); + } + + private: + FMT_CONSTEXPR void require_numeric_argument() { + if (!is_arithmetic(arg_type_)) + this->on_error("format specifier requires numeric argument"); + } + + FMT_CONSTEXPR void check_sign() { + require_numeric_argument(); + if (is_integral(arg_type_) && arg_type_ != int_type && + arg_type_ != long_long_type && arg_type_ != internal::char_type) { + this->on_error("format specifier requires signed argument"); + } + } + + internal::type arg_type_; +}; + +template