Repository: mike1k/VMPImportFixer Branch: master Commit: b6fef34b9066 Files: 237 Total size: 29.3 MB Directory structure: gitextract_6h2br1l5/ ├── .gitignore ├── Main.cpp ├── README.md ├── VIFTools.cpp ├── VIFTools.hpp ├── VMPImportFixer.cpp ├── VMPImportFixer.hpp ├── VMPImportFixer.sln ├── VMPImportFixer.vcxproj ├── VMPImportFixer.vcxproj.filters ├── msc/ │ ├── Process.cpp │ ├── Process.hpp │ └── ScopedHandle.hpp └── vendor/ ├── pepp/ │ ├── ExportDirectory.cpp │ ├── ExportDirectory.hpp │ ├── FileHeader.hpp │ ├── Image.cpp │ ├── Image.hpp │ ├── ImportDirectory.cpp │ ├── ImportDirectory.hpp │ ├── OptionalHeader.cpp │ ├── OptionalHeader.hpp │ ├── PEHeader.cpp │ ├── PEHeader.hpp │ ├── PELibrary.hpp │ ├── PEUtil.cpp │ ├── PEUtil.hpp │ ├── RelocationDirectory.cpp │ ├── RelocationDirectory.hpp │ ├── SectionHeader.cpp │ ├── SectionHeader.hpp │ └── misc/ │ ├── Address.hpp │ ├── ByteVector.hpp │ ├── Concept.hpp │ ├── File.cpp │ ├── File.hpp │ └── NonCopyable.hpp ├── spdlog/ │ ├── include/ │ │ └── spdlog/ │ │ ├── async.h │ │ ├── async_logger-inl.h │ │ ├── async_logger.h │ │ ├── cfg/ │ │ │ ├── argv.h │ │ │ ├── env.h │ │ │ ├── helpers-inl.h │ │ │ └── helpers.h │ │ ├── common-inl.h │ │ ├── common.h │ │ ├── details/ │ │ │ ├── backtracer-inl.h │ │ │ ├── backtracer.h │ │ │ ├── circular_q.h │ │ │ ├── console_globals.h │ │ │ ├── file_helper-inl.h │ │ │ ├── file_helper.h │ │ │ ├── fmt_helper.h │ │ │ ├── log_msg-inl.h │ │ │ ├── log_msg.h │ │ │ ├── log_msg_buffer-inl.h │ │ │ ├── log_msg_buffer.h │ │ │ ├── mpmc_blocking_q.h │ │ │ ├── null_mutex.h │ │ │ ├── os-inl.h │ │ │ ├── os.h │ │ │ ├── periodic_worker-inl.h │ │ │ ├── periodic_worker.h │ │ │ ├── registry-inl.h │ │ │ ├── registry.h │ │ │ ├── synchronous_factory.h │ │ │ ├── tcp_client-windows.h │ │ │ ├── tcp_client.h │ │ │ ├── thread_pool-inl.h │ │ │ ├── thread_pool.h │ │ │ └── windows_include.h │ │ ├── fmt/ │ │ │ ├── bin_to_hex.h │ │ │ ├── bundled/ │ │ │ │ ├── args.h │ │ │ │ ├── chrono.h │ │ │ │ ├── color.h │ │ │ │ ├── compile.h │ │ │ │ ├── core.h │ │ │ │ ├── format-inl.h │ │ │ │ ├── format.h │ │ │ │ ├── locale.h │ │ │ │ ├── os.h │ │ │ │ ├── ostream.h │ │ │ │ ├── printf.h │ │ │ │ ├── ranges.h │ │ │ │ └── xchar.h │ │ │ ├── chrono.h │ │ │ ├── fmt.h │ │ │ ├── ostr.h │ │ │ └── xchar.h │ │ ├── formatter.h │ │ ├── fwd.h │ │ ├── logger-inl.h │ │ ├── logger.h │ │ ├── pattern_formatter-inl.h │ │ ├── pattern_formatter.h │ │ ├── sinks/ │ │ │ ├── android_sink.h │ │ │ ├── ansicolor_sink-inl.h │ │ │ ├── ansicolor_sink.h │ │ │ ├── base_sink-inl.h │ │ │ ├── base_sink.h │ │ │ ├── basic_file_sink-inl.h │ │ │ ├── basic_file_sink.h │ │ │ ├── daily_file_sink.h │ │ │ ├── dist_sink.h │ │ │ ├── dup_filter_sink.h │ │ │ ├── hourly_file_sink.h │ │ │ ├── mongo_sink.h │ │ │ ├── msvc_sink.h │ │ │ ├── null_sink.h │ │ │ ├── ostream_sink.h │ │ │ ├── ringbuffer_sink.h │ │ │ ├── rotating_file_sink-inl.h │ │ │ ├── rotating_file_sink.h │ │ │ ├── sink-inl.h │ │ │ ├── sink.h │ │ │ ├── stdout_color_sinks-inl.h │ │ │ ├── stdout_color_sinks.h │ │ │ ├── stdout_sinks-inl.h │ │ │ ├── stdout_sinks.h │ │ │ ├── syslog_sink.h │ │ │ ├── systemd_sink.h │ │ │ ├── tcp_sink.h │ │ │ ├── win_eventlog_sink.h │ │ │ ├── wincolor_sink-inl.h │ │ │ └── wincolor_sink.h │ │ ├── spdlog-inl.h │ │ ├── spdlog.h │ │ ├── stopwatch.h │ │ ├── tweakme.h │ │ └── version.h │ └── src/ │ ├── async.cpp │ ├── cfg.cpp │ ├── color_sinks.cpp │ ├── file_sinks.cpp │ ├── fmt.cpp │ ├── spdlog.cpp │ └── stdout_sinks.cpp ├── unicorn/ │ ├── include/ │ │ ├── list.h │ │ ├── qemu.h │ │ ├── uc_priv.h │ │ └── unicorn/ │ │ ├── arm.h │ │ ├── arm64.h │ │ ├── m68k.h │ │ ├── mips.h │ │ ├── platform.h │ │ ├── sparc.h │ │ ├── unicorn.h │ │ └── x86.h │ └── lib/ │ └── x64/ │ └── unicorn_static.lib ├── zycore/ │ ├── include/ │ │ ├── Zycore/ │ │ │ ├── API/ │ │ │ │ ├── Memory.h │ │ │ │ ├── Process.h │ │ │ │ ├── Synchronization.h │ │ │ │ ├── Terminal.h │ │ │ │ └── Thread.h │ │ │ ├── Allocator.h │ │ │ ├── ArgParse.h │ │ │ ├── Bitset.h │ │ │ ├── Comparison.h │ │ │ ├── Defines.h │ │ │ ├── Format.h │ │ │ ├── LibC.h │ │ │ ├── List.h │ │ │ ├── Object.h │ │ │ ├── Status.h │ │ │ ├── String.h │ │ │ ├── Types.h │ │ │ ├── Vector.h │ │ │ ├── Zycore.h │ │ │ └── ZycoreExportConfig.h │ │ └── ZycoreExportConfig.h │ └── src/ │ ├── API/ │ │ ├── Memory.c │ │ ├── Process.c │ │ ├── Synchronization.c │ │ ├── Terminal.c │ │ └── Thread.c │ ├── Allocator.c │ ├── ArgParse.c │ ├── Bitset.c │ ├── Format.c │ ├── List.c │ ├── String.c │ ├── Vector.c │ └── Zycore.c └── zydis/ ├── include/ │ ├── Zydis/ │ │ ├── Decoder.h │ │ ├── DecoderTypes.h │ │ ├── Formatter.h │ │ ├── FormatterBuffer.h │ │ ├── Generated/ │ │ │ ├── EnumISAExt.h │ │ │ ├── EnumISASet.h │ │ │ ├── EnumInstructionCategory.h │ │ │ ├── EnumMnemonic.h │ │ │ └── EnumRegister.h │ │ ├── Internal/ │ │ │ ├── DecoderData.h │ │ │ ├── FormatterATT.h │ │ │ ├── FormatterBase.h │ │ │ ├── FormatterIntel.h │ │ │ ├── SharedData.h │ │ │ └── String.h │ │ ├── MetaInfo.h │ │ ├── Mnemonic.h │ │ ├── Register.h │ │ ├── SharedTypes.h │ │ ├── ShortString.h │ │ ├── Status.h │ │ ├── Utils.h │ │ └── Zydis.h │ └── ZydisExportConfig.h ├── lib/ │ ├── ReleaseX64/ │ │ ├── Zycore.lib │ │ └── Zydis.lib │ └── ReleaseX86/ │ ├── Zycore.lib │ └── Zydis.lib └── src/ ├── Decoder.c ├── DecoderData.c ├── Formatter.c ├── FormatterATT.c ├── FormatterBase.c ├── FormatterBuffer.c ├── FormatterIntel.c ├── Generated/ │ ├── AccessedFlags.inc │ ├── DecoderTables.inc │ ├── EncodableInstructions.inc │ ├── EnumISAExt.inc │ ├── EnumISASet.inc │ ├── EnumInstructionCategory.inc │ ├── EnumMnemonic.inc │ ├── EnumRegister.inc │ ├── FormatterStrings.inc │ ├── InstructionDefinitions.inc │ ├── InstructionEncodings.inc │ └── OperandDefinitions.inc ├── MetaInfo.c ├── Mnemonic.c ├── Register.c ├── SharedData.c ├── String.c ├── Utils.c └── Zydis.c ================================================ FILE CONTENTS ================================================ ================================================ FILE: .gitignore ================================================ ## Ignore Visual 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template IVMPImportFixer* VifFactory_GenerateFixer(std::string_view vmpsn) noexcept { return new VMPImportFixer(vmpsn); } int main(int argc, const char** argv) { logger = spdlog::stdout_color_mt("console"); logger->set_level(spdlog::level::debug); logger->set_pattern("[%^%l%$] %v"); if (argc > 1) { std::string_view sFilePathOrProc {}; std::string_view sTargetModule {}; std::string_view sVMPSectionName { ".vmp0" }; DWORD dwProcessId { 0ul }; // // Parse out arguments for (int i = 1; i < argc; ++i) { if (_stricmp(argv[i], "-p") == 0 && (i + 1) < argc) { const char* szArg = argv[++i]; if (szArg[0] != '\'') { dwProcessId = std::atoi(szArg); if (dwProcessId == 0) { logger->critical("Invalid process id '{}'", szArg); return EXIT_FAILURE; } } else { std::string sArgProc = std::string(szArg).substr(1, strlen(szArg) - 2); spdlog::stopwatch sw; // // Search for process with the name while ((dwProcessId = VifSearchForProcess(sArgProc)) == static_cast(-1)) { if (std::chrono::duration_cast(sw.elapsed()).count() > 10000) { logger->critical("Timed out searching for process {}.", sArgProc); return EXIT_FAILURE; } std::this_thread::sleep_for(std::chrono::milliseconds(100)); } } } if (_stricmp(argv[i], "-f") == 0 && (i + 1) < argc && dwProcessId == 0) { sFilePathOrProc = argv[++i]; } if (_stricmp(argv[i], "-mod") == 0 && (i + 1) < argc) { sTargetModule = argv[++i]; } if (_stricmp(argv[i], "-section") == 0 && (i + 1) < argc) { sVMPSectionName = argv[++i]; } } if (!sFilePathOrProc.empty() && std::filesystem::exists(sFilePathOrProc)) { bool bWasParsed = false; bool bIsArchX64 = IsFileArchX64(sFilePathOrProc, &bWasParsed); if (bWasParsed) { // // TODO: Load DLL or process into memory (LoadLibraryEx/CreateProcess), unpack and fix IAT. } } else { if (dwProcessId != 0) { IVMPImportFixer* pImportFixer = nullptr; HANDLE hProcess = OpenProcess(PROCESS_ALL_ACCESS, FALSE, dwProcessId); BOOL bIsWow64 = FALSE; if (hProcess == INVALID_HANDLE_VALUE) { logger->critical("Unable to open a handle to the process!"); return EXIT_FAILURE; } IsWow64Process(hProcess, &bIsWow64); if (bIsWow64) pImportFixer = VifFactory_GenerateFixer<32>(sVMPSectionName); else pImportFixer = VifFactory_GenerateFixer<64>(sVMPSectionName); std::filesystem::create_directories("dumps"); pImportFixer->DumpInMemory(hProcess, sTargetModule); delete pImportFixer; pImportFixer = nullptr; return EXIT_SUCCESS; } logger->critical("Invalid process!"); } } else { std::cout << "VMPImportFixer: Resolve import calls in a VMProtect'd binary (developed by github.com/mike1k)" << std::endl; std::cout << "Usage: \tVMPImportFixer\n -proc \t(required) process name/process id" << std::endl; std::cout << " -mod: \t(optional) names of module to dump." << std::endl; std::cout << " -section: \t(optional) VMP section name to use if changed from default (VMP allows custom names)" << std::endl; std::cout << "Example usages:\n" "*\tVMPImportFixer -p 'test.exe'\n" << "*\tVMPImportFixer -p 123456 -mod vmp.dll -section .name0\n" << std::endl; std::cout << std::endl; } return EXIT_FAILURE; } bool IsFileArchX64(std::filesystem::path path, bool* parsed) { pepp::io::File file{ path.string(), pepp::io::FILE_BINARY | pepp::io::FILE_INPUT }; if (file.GetSize() > 0) { std::vector file_buf = file.Read(); IMAGE_DOS_HEADER* dos = (IMAGE_DOS_HEADER*)file_buf.data(); // // We don't need arch specific as FILE_HEADER is the second member and it is the same size on both archs. IMAGE_NT_HEADERS* nt = (IMAGE_NT_HEADERS*)(file_buf.data() + dos->e_lfanew); if (dos->e_magic == IMAGE_DOS_SIGNATURE) { if (nt->Signature == IMAGE_NT_SIGNATURE) { if (parsed) *parsed = true; if (nt->FileHeader.Machine == IMAGE_FILE_MACHINE_AMD64) { return true; } } } } if (parsed) *parsed = false; return false; } ================================================ FILE: README.md ================================================ # VMPImportFixer VMPImportFixer is a tool aimed to resolve import calls in a VMProtect'd (3.x) binary. # Information VMPImportFixer attempts to resolve all obfuscated API calls in a VMProtect'd binary. A binary which has VMProtect's "Import Protection" option enabled will have all it's `CALL NEAR` instructions replaced with near relative call instructions (see [ImportCallObfuscator](https://github.com/mike1k/ImportCallObfuscator) for a similar method of obfuscating imports). VMProtect usually has two different variations of import calls which seem to be chosen at random once the binary is protected. The first, being `push reg; call func`, and the other being `call func; ret/int3`. ![call/int3](https://i.imgur.com/X15Aps6.png) ![push/call](https://i.imgur.com/cgA8ecy.png) Following these calls lead into the VMProtect section, which, by default is named `.vmp0`. Each stub can vary in complexity and size, however the concept is generally the same. Through a series of arithmetic which is used to calculate the real import address, the final operation usually sets `[rsp]`/`[esp]` to the import address before the final RET instruction. Based on the variant of the call (`push reg; call func` or `call func; int3/ret`), the stub may increment the return address. This use of the extra byte and return address incrementing is used to break various decompilers from properly analyzing a function due to the decompiler not recognizing that the byte will be skipped over in runtime. With this information combined, I decided to write a tool over the day that solves these calls. I was not happy with public implementations due to various reasons. One was closed-source, and seemed to be limited to a debugger, and the other lifts these stubs into a IL which seems impractical. I decided to go the emulation route as this trivially tackles the problem and supports both X86 and X86-64 flawlessly. VMPImportFixer is an all-in-one tool; it will support X86 processes regardless of being in a X64 context. This means that there is no need for architecture dependent versions of the binary. # Usage ``` Usage: VMPImportFixer -p (required) process name/process id -mod: (optional) name of module to dump. -section: (optional) VMP section name to use if changed from default (VMP allows custom names) ``` # Examples
Images * Before ![b1](https://i.imgur.com/wzraZfe.png) * After ![a1](https://i.imgur.com/E12Gnxc.png) * Before ![b2](https://i.imgur.com/eKdCdtm.png) * After ![a2](https://i.imgur.com/acPdGVt.png)
# TODO * Add support for loading binaries off the disk into a state where it can be monitored at specific stages (such as unpacking) then fixed. * Add relocation handling on X86 binaries. * Kernel support. # Dependencies * [pepp](https://github.com/mike1k/pepp) * [Unicorn](https://github.com/unicorn-engine/unicorn) * [Zydis](https://github.com/zyantific/zydis) * [spdlog](https://github.com/gabime/spdlog) # Credits [mrexodia](https://github.com/mrexodia) for his contribution to [HookHunter](https://github.com/mike1k/HookHunter) regarding `ReadMemory` inside the `Process` class. ================================================ FILE: VIFTools.cpp ================================================ #include "VMPImportFixer.hpp" DWORD VifSearchForProcess(std::string_view process_name) noexcept { PROCESSENTRY32 pe32{}; pe32.dwSize = sizeof pe32; vif::nt::ScopedHandle hSnapshot = CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS, 0); if (static_cast(hSnapshot) == INVALID_HANDLE_VALUE) return -1; if (Process32First(hSnapshot, &pe32)) { do { std::string_view this_proc = pe32.szExeFile; if (this_proc.find(process_name) != this_proc.npos && pe32.th32ProcessID != GetCurrentProcessId()) return pe32.th32ProcessID; } while (Process32Next(hSnapshot, &pe32)); } return static_cast(-1); } bool VifFindModuleInProcess(HANDLE hProc, std::string_view module_name, VIFModuleInformation_t* info) { HMODULE hMods[1024]; DWORD cbNeeded; unsigned int i; if (!info) return false; if (EnumProcessModulesEx(hProc, hMods, sizeof(hMods), &cbNeeded, LIST_MODULES_ALL)) { for (i = 0; i < (cbNeeded / sizeof(HMODULE)); i++) { TCHAR szModName[MAX_PATH]; if (GetModuleFileNameEx(hProc, hMods[i], szModName, sizeof(szModName) / sizeof(TCHAR))) { MODULEINFO mdi{}; GetModuleInformation(hProc, hMods[i], &mdi, sizeof mdi); info->module_path = szModName; if (info->module_path.find(module_name) != std::string::npos) { info->base_address = (std::uint64_t)hMods[i]; info->module_size = mdi.SizeOfImage; } } } } return info->base_address != 0; } bool VifFindModulesInProcess(HANDLE hProc, std::vector& modules) { HMODULE hMods[1024]; DWORD cbNeeded; unsigned int i; if (EnumProcessModulesEx(hProc, hMods, sizeof(hMods), &cbNeeded, LIST_MODULES_ALL)) { for (i = 0; i < (cbNeeded / sizeof(HMODULE)); i++) { TCHAR szModName[MAX_PATH]; // Get the full path to the module's file. if (GetModuleFileNameEx(hProc, hMods[i], szModName, sizeof(szModName) / sizeof(TCHAR))) { MODULEINFO info{}; GetModuleInformation(hProc, hMods[i], &info, sizeof info); modules.emplace_back(szModName, (std::uint64_t)hMods[i], info.SizeOfImage); } } } return modules.size() > 0; } ================================================ FILE: VIFTools.hpp ================================================ #pragma once struct VIFModuleInformation_t { std::string module_path; std::uint64_t base_address; std::uint32_t module_size; }; DWORD VifSearchForProcess(std::string_view process_name) noexcept; bool VifFindModuleInProcess(HANDLE hProc, std::string_view module_name, VIFModuleInformation_t* info); bool VifFindModulesInProcess(HANDLE hProc, std::vector& modules); ================================================ FILE: VMPImportFixer.cpp ================================================ #include "VMPImportFixer.hpp" std::shared_ptr logger; // Explicit templates. template class VMPImportFixer<32>; template class VMPImportFixer<64>; class UnicornEngine { uc_engine* ptr; public: UnicornEngine(uc_engine* eng) noexcept : ptr(eng) {} ~UnicornEngine() noexcept { if (ptr) uc_close(ptr); } }; template inline void VMPImportFixer::DumpInMemory(HANDLE hProcess, std::string_view sModName) { // // Define types for the current mode. using AddressType = pepp::detail::Image_t::Address_t; using Address = pepp::Address; static constexpr uc_mode EMULATION_MODE = BitSize == 32 ? UC_MODE_32 : UC_MODE_64; static constexpr uc_x86_reg STACK_REGISTER = BitSize == 32 ? UC_X86_REG_ESP : UC_X86_REG_RSP; static ZydisMachineMode ZY_MACHINE_MODE = BitSize == 32 ? ZYDIS_MACHINE_MODE_LONG_COMPAT_32 : ZYDIS_MACHINE_MODE_LONG_64; static ZydisAddressWidth ZY_ADDRESS_WIDTH = BitSize == 32 ? ZYDIS_ADDRESS_WIDTH_32 : ZYDIS_ADDRESS_WIDTH_64; // // Initialize unicorn. uc_engine* uc{}; uc_hook code_hook{}; uc_err err = uc_open(UC_ARCH_X86, EMULATION_MODE, &uc); UnicornEngine _scoped_unicorn_free(uc); if (err != UC_ERR_OK) { logger->critical("Unable to open Unicorn in X86-{} mode (err: {})", BitSize, err); return; } if (ZyanStatus zs; !ZYAN_SUCCESS((zs = ZydisDecoderInit(&m_decoder, ZY_MACHINE_MODE, ZY_ADDRESS_WIDTH)))) { logger->critical("Unable to initialize Zydis (err: {:X})", BitSize, zs); return; } vif::nt::Process proc(hProcess); pepp::Image* pTargetImg = nullptr; if (proc.handle() == INVALID_HANDLE_VALUE) { return; } if (!VifFindModulesInProcess(hProcess, m_vecModuleList) || m_vecModuleList.empty()) { logger->critical("Unable to fetch module list from process."); return; } int Idx{}, mIdx{}; for (auto& mod : m_vecModuleList) { size_t nLastSize = 0; std::unique_ptr pModBuffer(new std::uint8_t[mod.module_size]{}); MEMORY_BASIC_INFORMATION mbi{}; // // Loop through the module's memory and insert into the buffer. while (VirtualQueryEx(proc.handle(), (PVOID)(mod.base_address + nLastSize), &mbi, sizeof (mbi))) { if (proc.ReadMemory(mbi.BaseAddress, &pModBuffer.get()[nLastSize], mbi.RegionSize)) ; // logger->info("Read memory at {} with size {}", mbi.BaseAddress, mbi.RegionSize); else // Log the faliure, but that is all. We will still try to parse. logger->critical("Unable to read memory at {:X}", (std::uintptr_t)mbi.BaseAddress); nLastSize += mbi.RegionSize; if (nLastSize >= mod.module_size) break; } logger->info("Pushing module {} located @ 0x{:X}", mod.module_path, mod.base_address); m_vecImageList.emplace_back(std::move(pepp::Image::FromRuntimeMemory(pModBuffer.get(), mod.module_size))); if (m_vecImageList.back().magic() != IMAGE_DOS_SIGNATURE) { logger->error("Failed parsing image: {}", mod.module_path); continue; } if (!sModName.empty() && mod.module_path.find(sModName) != std::string::npos) mIdx = Idx; ++Idx; } for (auto &img : m_vecImageList) { if (!sModName.empty()) pTargetImg = &m_vecImageList[mIdx]; m_ImageMap[img.GetPEHeader().GetOptionalHeader().GetImageBase()] = &img; } // // If no target module is selected, we default to the base process. if (pTargetImg == nullptr) pTargetImg = &m_vecImageList.front(); Address uImageBase = pTargetImg->GetPEHeader().GetOptionalHeader().GetImageBase(); logger->info("Using base address: {:X}", uImageBase.uintptr()); // // By default, we scan the .text section by name. If the target binary for whatever reason // has another name other than .text for it's code section, you will need to change this. pepp::SectionHeader& secText = pTargetImg->GetSectionHeader(".text"); if (secText.GetName() == ".dummy") { logger->critical("Unable to find .text section!"); return; } logger->info("Found .text section at virtual address {:X}", secText.GetVirtualAddress()); pepp::SectionHeader& secVMP = pTargetImg->GetSectionHeader(m_strVMPSectionName); if (secVMP.GetName() == ".dummy") { logger->critical("Unable to find {} section!", secVMP.GetName()); return; } logger->info("Found {} section at virtual address {:X}", m_strVMPSectionName, secVMP.GetVirtualAddress()); // // Find all call sequences in the .text section. std::vector vecCallMatches = pTargetImg->FindBinarySequence(&secText, "E8 ? ? ? ?"); if (vecCallMatches.empty()) { logger->critical("Unable to find any call/jmp sequences in the .text section!"); return; } // // Map the .text and .vmp0 sections into the emulator memory (even more overhead, but necessary) Address uMappedTextAddress = (uImageBase + secText.GetVirtualAddress()); Address uMappedTextSize = pepp::Align4kb(secText.GetVirtualSize() + 0x1000); err = uc_mem_map(uc, uMappedTextAddress.uintptr(), uMappedTextSize.uintptr(), UC_PROT_ALL); if (err != UC_ERR_OK) { logger->critical("Could not map in .text section => uc_mem_map() failed with error: {}", err); return; } err = uc_mem_write(uc, uMappedTextAddress.uintptr(), &pTargetImg->buffer()[secText.GetVirtualAddress()], secText.GetVirtualSize()); if (err != UC_ERR_OK) { logger->critical("Could not map in .text section => uc_mem_write() failed with error: {}", err); return; } Address uMappedVmpAddress = (uImageBase + secVMP.GetVirtualAddress()); Address uMappedVmpSize = pepp::Align4kb(secVMP.GetVirtualSize() + 0x1000); err = uc_mem_map(uc, uMappedVmpAddress.uintptr(), uMappedVmpSize.uintptr(), UC_PROT_ALL); if (err != UC_ERR_OK) { logger->critical("Could not map in VMP section => uc_mem_map() failed with error: {}", err); return; } err = uc_mem_write(uc, uMappedVmpAddress.uintptr(), &pTargetImg->buffer()[secVMP.GetVirtualAddress()], secVMP.GetVirtualSize()); if (err != UC_ERR_OK) { logger->critical("Could not map in VMP section => uc_mem_write() failed with error: {}", err); return; } // // Write the stack address and registers auto STACK_SPACE = (uMappedVmpAddress.uintptr() + (uMappedVmpSize.uintptr() - 0x1000)) & -0x10; uc_reg_write(uc, STACK_REGISTER, &STACK_SPACE); // // Temp data to hold info about resolved imports.. static std::pair ExpResolved{}; // // We need to monitor every instruction that executes (since it seems like we cannot hook the // exact instruction we need (RET)) auto VifCodeHook = +[](uc_engine* uc, uint64_t address, uint32_t size, void* user_data) { IVMPImportFixer* pUd = (IVMPImportFixer*)user_data; uint8_t insnbuf[0xf]; uc_mem_read(uc, address, insnbuf, size); ExpResolved.first.clear(); // // Did we hit a RET? if (insnbuf[0] == 0xC3 || insnbuf[0] == 0xC2) { // // Real import address is stored in [sp reg] AddressType uImportAddress{}; VIFModuleInformation_t mod{}; pepp::ExportData_t exp{}; uc_reg_read(uc, STACK_REGISTER, &uImportAddress); uc_mem_read(uc, uImportAddress, &uImportAddress, sizeof(uImportAddress)); if (pUd->GetModuleFromAddress(uImportAddress, &mod)) { if (!pUd->GetExportData(mod.base_address, uImportAddress - mod.base_address, &ExpResolved.second)) { logger->critical("Could not find export from address {:X}", uImportAddress); return; } ExpResolved.first = std::filesystem::path(mod.module_path).filename().string(); // logger->info("Resolved a call to {}!{}", ExpResolved.first, ExpResolved.second.name); // // Stop emulation so we don't get a memory fetch error. uc_emu_stop(uc); } else { logger->critical("Could not find module from address {:X}", uImportAddress); return; } } }; if ((err=uc_hook_add(uc, &code_hook, UC_HOOK_CODE, VifCodeHook, this, 1, 0)) != UC_ERR_OK) { logger->critical("Could not install a code hook: {}", err); return; } // // Locations of vmp import calls std::vector> vecVmpImportCalls{}; // // Cache of imports that were added. std::unordered_map> mAddedImports; for (auto match : vecCallMatches) { ZydisDecodedInstruction insn{}; std::uint8_t* insnbuf = &pTargetImg->buffer()[match]; if (DecodeInsn(insnbuf, insn)) { AddressType uDestAddress = CalculateAbsoluteAddress((uImageBase.uintptr() + match), insn); if (uDestAddress == 0) continue; if (secVMP.HasVirtualAddress(uDestAddress - uImageBase.uintptr())) { logger->info("Found call to {} in {} @ {:X} (call to {:X})", m_strVMPSectionName, ".text", (AddressType)(uImageBase + match).uintptr(), uDestAddress); vecVmpImportCalls.emplace_back((uint64_t)match, uDestAddress); } } } for (auto& address : vecVmpImportCalls) { // // Reset stack. uc_reg_write(uc, STACK_REGISTER, &STACK_SPACE); // // Write the return address as if we just entered a CALL. uintptr_t stackptr{}; uintptr_t rtnaddress{ uImageBase.uintptr() + address.first.uintptr() + 5 }; uc_reg_read(uc, STACK_REGISTER, &stackptr); uc_mem_write(uc, stackptr, &rtnaddress, sizeof(rtnaddress)); // logger->info("Starting emulation @ {:X}", address.second.uintptr()); // // Begin emulation. uc_err uerr = uc_emu_start(uc, address.second.uintptr(), 0, 0, 0); if (uerr != UC_ERR_OK) { logger->error("Emulation failed with error: {}", uerr); continue; } if (ExpResolved.first.empty()) { logger->error("Failed to resolve import @ emu address {:X}", address.second.uintptr()); continue; } std::uint32_t uImportRVA{}; std::uint64_t uImportVA{}; if (mAddedImports.find(ExpResolved.first) != mAddedImports.end() && mAddedImports[ExpResolved.first][ExpResolved.second.name]) { uImportRVA = mAddedImports[ExpResolved.first][ExpResolved.second.name]; } else { if (!pTargetImg->GetImportDirectory().HasModuleImport(ExpResolved.first, ExpResolved.second.name, &uImportRVA)) pTargetImg->GetImportDirectory().AddModuleImport(ExpResolved.first, ExpResolved.second.name, &uImportRVA); mAddedImports[ExpResolved.first][ExpResolved.second.name] = uImportRVA; } uImportVA = uImageBase.uintptr() + uImportRVA; if (pTargetImg->buffer().deref(address.first.uintptr() + 5) == 0xcc || pTargetImg->buffer().deref(address.first.uintptr() + 5) == 0xc3) { std::uint8_t patch_buf[6]; patch_buf[0] = 0xff; patch_buf[1] = 0x15; if constexpr (BitSize == 64) *(std::uint32_t*)(&patch_buf[2]) = (std::uint32_t)(uImportVA - (uImageBase.uintptr() + address.first.uintptr()) - 6); else { *(std::uint32_t*)(&patch_buf[2]) = (std::uint32_t)(uImportVA); } // // Patch in pTargetImg->buffer().copy_data( address.first.uintptr(), patch_buf, sizeof(patch_buf) ); logger->info("Patched import call @ 0x{:X} to {}!{}", address.first.uintptr(), ExpResolved.first, ExpResolved.second.name); } else { // // push/call sequence std::uint8_t patch_buf[6]; patch_buf[0] = 0xff; patch_buf[1] = 0x15; if constexpr (BitSize == 64) *(std::uint32_t*)(&patch_buf[2]) = (std::uint32_t)(uImportVA - (uImageBase.uintptr() + (address.first.uintptr() - 1)) - 6); else *(std::uint32_t*)(&patch_buf[2]) = (std::uint32_t)(uImportVA); // // Patch in pTargetImg->buffer().copy_data( address.first.uintptr() - 1, patch_buf, sizeof(patch_buf) ); logger->info("Patched import call @ 0x{:X} to {}!{}", address.first.uintptr(), ExpResolved.first, ExpResolved.second.name); } } std::string outpath = "dumps/"; if (sModName.empty()) { outpath += std::filesystem::path(m_vecModuleList[0].module_path).filename().string() + ".fixed"; } else { outpath += std::string(sModName) + ".fixed"; } logger->info("Finished, writing to {}", outpath); pTargetImg->WriteToFile(outpath); } template bool VMPImportFixer::DecodeInsn(pepp::Address<> address, ZydisDecodedInstruction& insn) const noexcept { return ZYAN_SUCCESS(ZydisDecoderDecodeBuffer(&m_decoder, address.as_ptr(), 0xff, &insn)); } template std::uintptr_t VMPImportFixer::CalculateAbsoluteAddress(std::uintptr_t runtime_address, ZydisDecodedInstruction& insn) const noexcept { std::uintptr_t result{}; if (ZYAN_SUCCESS(ZydisCalcAbsoluteAddress(&insn, &insn.operands[0], runtime_address, &result))) return result; return 0ull; } template bool VMPImportFixer::GetModuleFromAddress(std::uintptr_t ptr, VIFModuleInformation_t* pmod) { if (m_vecModuleList.empty()) return false; for (auto& mod : m_vecModuleList) { if (ptr >= mod.base_address && ptr <= mod.base_address + mod.module_size) { *pmod = mod; return true; } } return false; } template bool VMPImportFixer::GetExportData(std::uintptr_t mod, std::uintptr_t rva, pepp::ExportData_t* exp) { pepp::Image* pImage = m_ImageMap[mod]; bool bFound = false; if (pImage) { pImage->GetExportDirectory().TraverseExports([&bFound, &exp, rva](pepp::ExportData_t* tmp) { if (tmp->rva == rva) { *exp = *tmp; bFound = true; } }); } return bFound; } ================================================ FILE: VMPImportFixer.hpp ================================================ #pragma once // // Emulation engine. #include #include #include #include #include #include #include #include #include #include #include #include #pragma comment(lib, "psapi.lib") //! PE parsing and manipulation and some other utils. #include "msc/Process.hpp" #include "msc/ScopedHandle.hpp" #include //! Include Zydis disassembler #include #include #include //! Include spdlog #include #include #include #include #include #include "VIFTools.hpp" class IVMPImportFixer { public: virtual ~IVMPImportFixer() = default; virtual bool GetModuleFromAddress(std::uintptr_t ptr, VIFModuleInformation_t* mod) = 0; virtual void DumpInMemory(HANDLE hProcess, std::string_view sModName) = 0; virtual bool GetExportData(std::uintptr_t mod, std::uintptr_t rva, pepp::ExportData_t* exp) = 0; }; template class VMPImportFixer : public pepp::msc::NonCopyable, public IVMPImportFixer { public: VMPImportFixer(std::string_view vmpsn) noexcept; void DumpInMemory(HANDLE hProcess, std::string_view sModName) final override; //! Zydis disassemble an instruction. bool DecodeInsn(pepp::Address<> address, ZydisDecodedInstruction& insn) const noexcept; std::uintptr_t CalculateAbsoluteAddress(std::uintptr_t runtime_address, ZydisDecodedInstruction& insn) const noexcept; bool GetModuleFromAddress(std::uintptr_t ptr, VIFModuleInformation_t* mod) final override; bool GetExportData(std::uintptr_t mod, std::uintptr_t rva, pepp::ExportData_t* exp) final override; private: ZydisDecoder m_decoder; std::string m_strVMPSectionName; std::vector m_vecModuleList; std::vector> m_vecImageList; std::map, pepp::Image*> m_ImageMap; }; extern std::shared_ptr logger; template inline VMPImportFixer::VMPImportFixer(std::string_view vmpsn) noexcept : m_strVMPSectionName(vmpsn) { } ================================================ FILE: VMPImportFixer.sln ================================================  Microsoft Visual Studio Solution File, Format Version 12.00 # Visual Studio Version 16 VisualStudioVersion = 16.0.31321.278 MinimumVisualStudioVersion = 10.0.40219.1 Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "VMPImportFixer", "VMPImportFixer.vcxproj", "{701E6AB3-4569-476C-8F49-C9BEACA20247}" EndProject Global GlobalSection(SolutionConfigurationPlatforms) = preSolution Debug|x64 = Debug|x64 Debug|x86 = Debug|x86 Release|x64 = Release|x64 Release|x86 = Release|x86 EndGlobalSection GlobalSection(ProjectConfigurationPlatforms) = postSolution {701E6AB3-4569-476C-8F49-C9BEACA20247}.Debug|x64.ActiveCfg = Debug|x64 {701E6AB3-4569-476C-8F49-C9BEACA20247}.Debug|x64.Build.0 = Debug|x64 {701E6AB3-4569-476C-8F49-C9BEACA20247}.Debug|x86.ActiveCfg = Debug|Win32 {701E6AB3-4569-476C-8F49-C9BEACA20247}.Debug|x86.Build.0 = Debug|Win32 {701E6AB3-4569-476C-8F49-C9BEACA20247}.Release|x64.ActiveCfg = Release|x64 {701E6AB3-4569-476C-8F49-C9BEACA20247}.Release|x64.Build.0 = Release|x64 {701E6AB3-4569-476C-8F49-C9BEACA20247}.Release|x86.ActiveCfg = Release|Win32 {701E6AB3-4569-476C-8F49-C9BEACA20247}.Release|x86.Build.0 = Release|Win32 EndGlobalSection GlobalSection(SolutionProperties) = preSolution HideSolutionNode = FALSE EndGlobalSection GlobalSection(ExtensibilityGlobals) = postSolution SolutionGuid = {21943CCC-6FAC-415F-9887-DF76EF36C965} EndGlobalSection EndGlobal ================================================ FILE: VMPImportFixer.vcxproj ================================================ Debug Win32 Release Win32 Debug x64 Release x64 16.0 Win32Proj {701e6ab3-4569-476c-8f49-c9beaca20247} VMPImportFixer 10.0 Application true v142 Unicode Application false v142 true MultiByte Application true v142 Unicode Application false v142 true MultiByte true false $(ProjectDir)vendor;$(ProjectDir)vendor\zydis\include;$(ProjectDir)vendor\zycore\include;$(ProjectDir)vendor\spdlog\include;$(ProjectDir)vendor\unicorn\include $(ProjectDir)\vendor\zydis\lib\ReleaseX64;$(ProjectDir)vendor\unicorn\lib\x64;$(LibraryPath) true false $(ProjectDir)vendor;$(ProjectDir)vendor\zydis\include;$(ProjectDir)vendor\zycore\include;$(ProjectDir)vendor\spdlog\include;$(ProjectDir)vendor\unicorn\include $(ProjectDir)\vendor\zydis\lib\ReleaseX64;$(ProjectDir)vendor\unicorn\lib\x64;$(LibraryPath) Level3 true WIN32;_DEBUG;_CONSOLE;%(PreprocessorDefinitions) true Console true Level3 true true true WIN32;NDEBUG;_CONSOLE;%(PreprocessorDefinitions);ZYCORE_STATIC_DEFINE;ZYDIS_STATIC_DEFINE;_CRT_SECURE_NO_WARNINGS true stdcpplatest stdc17 Console true true true Zycore.lib;Zydis.lib;unicorn_static.lib;%(AdditionalDependencies) Level3 true _DEBUG;_CONSOLE;%(PreprocessorDefinitions) true Console true Level3 true true true NDEBUG;_CONSOLE;%(PreprocessorDefinitions);ZYCORE_STATIC_DEFINE;ZYDIS_STATIC_DEFINE;_CRT_SECURE_NO_WARNINGS true stdcpplatest stdc17 Console true true true Zycore.lib;Zydis.lib;unicorn_static.lib;%(AdditionalDependencies) ================================================ FILE: VMPImportFixer.vcxproj.filters ================================================  {4FC737F1-C7A5-4376-A066-2A32D752A2FF} cpp;c;cc;cxx;c++;cppm;ixx;def;odl;idl;hpj;bat;asm;asmx {93995380-89BD-4b04-88EB-625FBE52EBFB} h;hh;hpp;hxx;h++;hm;inl;inc;ipp;xsd {67DA6AB6-F800-4c08-8B7A-83BB121AAD01} rc;ico;cur;bmp;dlg;rc2;rct;bin;rgs;gif;jpg;jpeg;jpe;resx;tiff;tif;png;wav;mfcribbon-ms Source Files Source Files Source Files Source Files Source Files Source Files Source Files Source Files Source Files Source Files Source Files Source Files Source Files Header Files Header Files Header Files Header Files Header Files Header Files Header Files Header Files Header Files Header Files Header Files Header Files Header Files Header Files Header Files Header Files Header Files Header Files Header Files ================================================ FILE: msc/Process.cpp ================================================ #include #include "Process.hpp" using namespace vif::nt; Process::Process(std::uint32_t processId) noexcept : m_processId(processId) { } Process::Process(HANDLE processHandle) noexcept : m_handle(processHandle), m_processId(GetProcessId(processHandle)) { } bool Process::CreateHandle(std::uint32_t flags) noexcept { m_handle = OpenProcess(flags, FALSE, m_processId); return m_handle != INVALID_HANDLE_VALUE; } bool Process::CreateHandle(std::uint32_t processId, std::uint32_t flags) noexcept { m_processId = processId; m_handle = OpenProcess(flags, FALSE, m_processId); return m_handle != INVALID_HANDLE_VALUE; } // ReadProcessMemory will fail if the page has PAGE_NOACCESS or PAGE_GUARD, so try to change the protection and then read static bool ReadPage(HANDLE handle, LPVOID address, LPVOID buffer, std::size_t size, SIZE_T* bytesRead) { if (!ReadProcessMemory(handle, address, buffer, size, bytesRead)) { DWORD oldProtect = 0; if (!VirtualProtectEx(handle, address, size, PAGE_READONLY, &oldProtect)) { return false; } auto result = !!ReadProcessMemory(handle, address, buffer, size, bytesRead); VirtualProtectEx(handle, address, size, oldProtect, &oldProtect); return result; } return true; } bool Process::ReadMemory(pepp::Address<> address, void* buffer, std::size_t size) noexcept { if (m_handle == INVALID_HANDLE_VALUE || !buffer || !size) return false; // Read page-by-page to maximize the likelyhook of reading successfully std::size_t bytesRead = 0; constexpr std::uintptr_t PAGE_SIZE = 0x1000; std::uintptr_t offset = 0; std::uintptr_t requestedSize = size; std::uintptr_t sizeLeftInFirstPage = PAGE_SIZE - (address.uintptr() & (PAGE_SIZE - 1)); std::uintptr_t readSize = min(sizeLeftInFirstPage, requestedSize); while (readSize) { SIZE_T bytesReadSafe = 0; auto readSuccess = ReadPage(m_handle, (PVOID)(address.uintptr() + offset), (PBYTE)buffer + offset, readSize, &bytesReadSafe); bytesRead += bytesReadSafe; if (!readSuccess) break; offset += readSize; requestedSize -= readSize; readSize = min(PAGE_SIZE, requestedSize); } auto success = bytesRead == size; SetLastError(success ? ERROR_SUCCESS : ERROR_PARTIAL_COPY); return success; } bool Process::WriteMemory(pepp::Address<> address, void* buffer, std::size_t size) noexcept { if (m_handle == INVALID_HANDLE_VALUE) return false; return static_cast(WriteProcessMemory(m_handle, address.as_ptr(), buffer, size, nullptr)); } ================================================ FILE: msc/Process.hpp ================================================ #pragma once #include #include "ScopedHandle.hpp" #include namespace vif::nt { class Process : pepp::msc::NonCopyable { public: Process() = default; Process(std::uint32_t processId) noexcept; Process(HANDLE processHandle) noexcept; //! Create a handle to the process //! - returns true or false depending OpenProcess status bool CreateHandle(std::uint32_t flags) noexcept; bool CreateHandle(std::uint32_t processId, std::uint32_t flags) noexcept; //! Read memory bool ReadMemory(pepp::Address<> address, void* buffer, std::size_t size) noexcept; //! Write memory bool WriteMemory(pepp::Address<> address, void* buffer, std::size_t size) noexcept; //! Get handle pointer HANDLE handle() noexcept { return m_handle.handle(); } private: std::uint16_t m_processId = 0; vif::nt::ScopedHandle m_handle; }; } ================================================ FILE: msc/ScopedHandle.hpp ================================================ #pragma once #include namespace vif::nt { class ScopedHandle : pepp::msc::NonCopyable { HANDLE m_handle = INVALID_HANDLE_VALUE; public: ScopedHandle() = default; ScopedHandle(HANDLE handle) : m_handle(handle ? handle : INVALID_HANDLE_VALUE) { } ~ScopedHandle() { if (m_handle != INVALID_HANDLE_VALUE) CloseHandle(m_handle); } operator HANDLE () noexcept { return m_handle; } HANDLE handle() noexcept { return m_handle; } LPHANDLE lphandle() noexcept { return &m_handle; } void operator=(HANDLE rhs) noexcept { if (m_handle != INVALID_HANDLE_VALUE) CloseHandle(m_handle); m_handle = rhs ? rhs : INVALID_HANDLE_VALUE; } }; } ================================================ FILE: vendor/pepp/ExportDirectory.cpp ================================================ #include "PELibrary.hpp" using namespace pepp; template class ExportDirectory<32>; template class ExportDirectory<64>; template ExportData_t ExportDirectory::GetExport(std::uint32_t idx, bool demangle /*= true*/) const { if (!IsPresent()) return {}; if (idx < GetNumberOfNames()) { std::uint8_t* base{}; std::uint32_t funcAddresses{}; std::uint32_t funcNames{}; std::uint32_t funcOrdinals{}; std::uint32_t funcNamesOffset{}; mem::ByteVector const* buffer{}; funcOrdinals = m_image->GetPEHeader().RvaToOffset(GetAddressOfNameOrdinals()); uint16_t rlIdx = m_image->buffer().deref(funcOrdinals + (idx * sizeof uint16_t)); funcAddresses = m_image->GetPEHeader().RvaToOffset(GetAddressOfFunctions() + sizeof(std::uint32_t) * rlIdx); funcNames = m_image->GetPEHeader().RvaToOffset(GetAddressOfNames() + sizeof(std::uint32_t) * idx); funcNamesOffset = m_image->GetPEHeader().RvaToOffset(m_image->buffer().deref(funcNames)); if (funcAddresses && funcNames && funcOrdinals) { return { demangle ? DemangleName(m_image->buffer().as(funcNamesOffset)) : m_image->buffer().as(funcNamesOffset), m_image->buffer().deref(funcAddresses), rlIdx }; } } return {}; } template void ExportDirectory::TraverseExports(const std::function& cb_func) { for (int i = 0; i < GetNumberOfNames(); i++) { ExportData_t data = GetExport(i); if (data.rva != 0) cb_func(&data); } } template bool ExportDirectory::IsPresent() const noexcept { return m_image->GetPEHeader().GetOptionalHeader().GetDataDirectory(DIRECTORY_ENTRY_EXPORT).Size > 0; } template void ExportDirectory::AddExport(std::string_view name, std::uint32_t rva) { // TODO } ================================================ FILE: vendor/pepp/ExportDirectory.hpp ================================================ #pragma once #include namespace pepp { struct ExportData_t { std::string name{}; std::uint32_t rva = 0; std::uint32_t ordinal = 0xffffffff; }; template class ExportDirectory : public pepp::msc::NonCopyable { friend class Image<32>; friend class Image<64>; Image* m_image; detail::Image_t<>::ExportDirectory_t *m_base; public: ExportData_t GetExport(std::uint32_t idx, bool demangle = true) const; void AddExport(std::string_view name, std::uint32_t rva); void TraverseExports(const std::function& cb_func); bool IsPresent() const noexcept; void SetNumberOfFunctions(std::uint32_t num) { m_base->NumberOfFunctions = num; } std::uint32_t GetNumberOfFunctions() const { return m_base->NumberOfFunctions; } void SetNumberOfNames(std::uint32_t num) { m_base->NumberOfNames = num; } std::uint32_t GetNumberOfNames() const { return m_base->NumberOfNames; } void SetCharacteristics(std::uint32_t chrs) { m_base->Characteristics = chrs; } std::uint32_t GetCharacteristics() const { return m_base->Characteristics; } void SetTimeDateStamp(std::uint32_t TimeDateStamp) { m_base->TimeDateStamp = TimeDateStamp; } std::uint32_t GetTimeDateStamp() const { return m_base->TimeDateStamp; } void SetAddressOfFunctions(std::uint32_t AddressOfFunctions) { m_base->AddressOfFunctions = AddressOfFunctions; } std::uint32_t GetAddressOfFunctions() const { return m_base->AddressOfFunctions; } void SetAddressOfNames(std::uint32_t AddressOfNames) { m_base->AddressOfNames = AddressOfNames; } std::uint32_t GetAddressOfNames() const { return m_base->AddressOfNames; } void SetAddressOfNameOrdinals(std::uint32_t AddressOfNamesOrdinals) { m_base->AddressOfNameOrdinals = AddressOfNamesOrdinals; } std::uint32_t GetAddressOfNameOrdinals() const { return m_base->AddressOfNameOrdinals; } constexpr std::size_t size() const { return sizeof(decltype(*m_base)); } private: //! Setup the directory void _setup(Image* image) { m_image = image; m_base = reinterpret_cast( &image->base()[image->GetPEHeader().RvaToOffset( image->GetPEHeader().GetOptionalHeader().GetDataDirectory(DIRECTORY_ENTRY_EXPORT).VirtualAddress)]); } }; } ================================================ FILE: vendor/pepp/FileHeader.hpp ================================================ #pragma once namespace pepp { enum class PEMachine { MACHINE_I386 = 0x14c, MACHINE_IA64 = 0x200, MACHINE_AMD64 = 0x8664 }; class FileHeader : pepp::msc::NonCopyable { friend class PEHeader<32>; friend class PEHeader<64>; IMAGE_FILE_HEADER* m_base; public: FileHeader() { } void SetMachine(PEMachine machine) { m_base->Machine = static_cast(machine); } PEMachine GetMachine() const { return static_cast(m_base->Machine); } void SetNumberOfSections(std::uint16_t numSections) { m_base->NumberOfSections = numSections; } std::uint16_t GetNumberOfSections() const { return m_base->NumberOfSections; } void SetTimeDateStamp(std::uint32_t dwTimeDateStamp) { m_base->TimeDateStamp = dwTimeDateStamp; } std::uint32_t GetTimeDateStamp() const { return m_base->TimeDateStamp; } void SetPointerToSymbolTable(std::uint32_t dwPointerToSymbolTable) { m_base->PointerToSymbolTable = dwPointerToSymbolTable; } std::uint32_t GetPointerToSymbolTable() const { return m_base->PointerToSymbolTable; } void SetNumberOfSymbols(std::uint32_t numSymbols) { m_base->NumberOfSymbols = numSymbols; } std::uint32_t GetNumberOfSymbols() const { return m_base->NumberOfSymbols; } void SetSizeOfOptionalHeader(std::uint16_t size) { m_base->SizeOfOptionalHeader = size; } std::uint16_t GetSizeOfOptionalHeader() const { return m_base->SizeOfOptionalHeader; } void SetCharacteristics(std::uint16_t chars) { m_base->Characteristics = chars; } std::uint16_t GetCharacteristics() const { return m_base->Characteristics; } IMAGE_FILE_HEADER* native() const { return m_base; } private: template void _setup(Image* image) { m_base = &image->GetPEHeader().native()->FileHeader; } }; } ================================================ FILE: vendor/pepp/Image.cpp ================================================ #include "PELibrary.hpp" #include "PEUtil.hpp" #include using namespace pepp; // Explicit templates. template class Image<32>; template class Image<64>; template Image::Image() { } template Image::Image(const Image& rhs) : m_fileName(rhs.m_fileName) //, m_imageBuffer(std::move(rhs.m_imageBuffer)) -- bad , m_imageBuffer(rhs.m_imageBuffer) { // Ensure that the file was read. assert(m_imageBuffer.size() > 0); // Validate there is a valid MZ signature. _validate(); } template constexpr PEMachine Image::GetMachine() const { if constexpr (bitsize == 32) return PEMachine::MACHINE_I386; return PEMachine::MACHINE_AMD64; } template Image::Image(std::string_view filepath) : m_fileName(filepath) { io::File file(m_fileName, io::FILE_INPUT | io::FILE_BINARY); std::vector data{ file.Read() }; m_imageBuffer.resize(data.size()); m_imageBuffer.copy_data(0, data.data(), data.size()); // Ensure that the file was read. assert(m_imageBuffer.size() > 0); // Validate there is a valid MZ signature. _validate(); } template Image::Image(const void* data, std::size_t size) { m_imageBuffer.resize(size); std::memcpy(&m_imageBuffer[0], data, size); // Validate there is a valid MZ signature. _validate(); } template [[nodiscard]] Image Image::FromRuntimeMemory(void* data, std::size_t size) noexcept { Image _r; _r.m_MZHeader = reinterpret_cast::MZHeader_t*>(data); // Valid MZ tag? assert(_r.magic() == IMAGE_DOS_SIGNATURE); // Setup the PE header data. _r.m_PEHeader._setup(&_r); assert(_r.m_PEHeader.IsTaggedPE()); _r.m_imageBuffer.resize(size); std::memcpy(&_r.m_imageBuffer[0], data, _r.m_imageBuffer.size()); // // Okay just _validate now. _r._validate(); // // It's runtime, so map it. _r.SetMapped(); _r._validate(); return _r; } template bool Image::SetFromRuntimeMemory(void* data, std::size_t size) noexcept { m_MZHeader = reinterpret_cast::MZHeader_t*>(data); // Valid MZ tag? assert(magic() == IMAGE_DOS_SIGNATURE); // Setup the PE header data. m_PEHeader._setup(this); assert(m_PEHeader.IsTaggedPE()); m_imageBuffer.resize(size); std::memcpy(&m_imageBuffer[0], data, m_imageBuffer.size()); // // Okay just _validate now. _validate(); // // It's runtime, so map it. SetMapped(); _validate(); return true; } template bool Image::HasDataDirectory(PEDirectoryEntry entry) { return GetPEHeader().GetOptionalHeader().GetDataDirectory(entry).Size > 0; } template void Image::WriteToFile(std::string_view filepath) { io::File file(filepath, io::FILE_OUTPUT | io::FILE_BINARY); file.Write(m_imageBuffer); } template void Image::_validate() { m_MZHeader = reinterpret_cast::MZHeader_t*>(base()); // Valid MZ tag? assert(magic() == IMAGE_DOS_SIGNATURE); // Setup the PE header data. m_PEHeader._setup(this); assert(m_PEHeader.IsTaggedPE()); // Setup sections m_rawSectionHeaders = (m_PEHeader.m_PEHdr ? reinterpret_cast(IMAGE_FIRST_SECTION(m_PEHeader.m_PEHdr)) : nullptr); assert(m_rawSectionHeaders != nullptr); // // Ensure the Image class was constructed with the correct bitsize. if constexpr (bitsize == 32) { assert(m_PEHeader.GetOptionalHeader().GetMagic() == PEMagic::HDR_32); } else if constexpr (bitsize == 64) { assert(m_PEHeader.GetOptionalHeader().GetMagic() == PEMagic::HDR_64); } // // Setup export directory m_exportDirectory._setup(this); // // Setup import directory m_importDirectory._setup(this); // // Setup reloc directory m_relocDirectory._setup(this); } template bool Image::AppendExport(std::string_view exportName, std::uint32_t rva) { GetExportDirectory().AddExport(exportName, rva); return false; } template bool Image::ExtendSection(std::string_view sectionName, std::uint32_t delta) { std::uint32_t fileAlignment = GetPEHeader().GetOptionalHeader().GetFileAlignment(); std::uint32_t sectAlignment = GetPEHeader().GetOptionalHeader().GetSectionAlignment(); if (fileAlignment == 0 || sectAlignment == 0 || delta == 0) return false; SectionHeader& header = GetSectionHeader(sectionName); if (header.GetName() != ".dummy") { std::unique_ptr zero_buf(new uint8_t[delta]{}); header.SetSizeOfRawData(header.GetSizeOfRawData() + delta); header.SetVirtualSize(header.GetVirtualSize() + delta); for (int i = 0; i < MAX_DIRECTORY_COUNT; i++) { auto& dir = GetPEHeader().GetOptionalHeader().GetDataDirectory(i); if (dir.VirtualAddress == header.GetVirtualAddress()) { dir.Size = header.GetVirtualSize(); break; } } // // Update image size GetPEHeader().GetOptionalHeader().SetSizeOfImage(GetPEHeader().GetOptionalHeader().GetSizeOfImage() + delta); // // Fill in data buffer().insert_data(header.GetPointerToRawData() + header.GetSizeOfRawData(), zero_buf.get(), delta); // // Re-validate the image/headers. _validate(); return true; } return false; } template std::uint32_t Image::FindPadding(SectionHeader* s, std::uint8_t v, std::size_t n, std::uint32_t alignment) { bool bTraverseUp = s == nullptr; std::uint32_t startOffset{}; n = pepp::Align(n, alignment); if (s == nullptr) s = &m_rawSectionHeaders[GetNumberOfSections() - 1]; startOffset = s->GetPointerToRawData(); std::vector::iterator it = buffer().end(); if (bTraverseUp) { // std::vector tmpData(n, v); for (std::uint32_t i = startOffset + s->GetSizeOfRawData(); i > n; i = Align(i - n, alignment)) { if (memcmp(&buffer()[i - n], tmpData.data(), tmpData.size()) == 0) { it = buffer().begin() + (i - n); break; } } } else { std::vector tmpData(n, v); for (std::uint32_t i = startOffset; i < startOffset + (buffer().size() - startOffset); i = Align(i + n, alignment)) { if (memcmp(&buffer()[i], tmpData.data(), tmpData.size()) == 0) { it = buffer().begin() + (i); break; } } } if (it == buffer().end()) return -1; return (std::uint32_t)std::distance(buffer().begin(), it); } template std::uint32_t Image::FindZeroPadding(SectionHeader* s, std::size_t n, std::uint32_t alignment) { return FindPadding(s, 0x0, n, alignment); } template std::vector Image::FindBinarySequence(SectionHeader* s, std::string_view binary_seq) const { constexpr auto ascii_to_byte = [](const char ch) [[msvc::forceinline]] { if (ch >= '0' && ch <= '9') return std::uint8_t(ch - '0'); if (ch >= 'A' && ch <= 'F') return std::uint8_t(ch - 'A' + '\n'); return std::uint8_t(ch - 'a' + '\n'); }; std::vector offsets{}; if (s == nullptr) s = &m_rawSectionHeaders[GetNumberOfSections() - 1]; std::uint32_t start_offset = s->GetPointerToRawData(); std::uint32_t result = 0; std::uint32_t match_count = 0; for (std::uint32_t i = start_offset; i <= start_offset + s->GetSizeOfRawData(); ++i) { for (int c = 0; c < binary_seq.size();) { if (binary_seq[c] == ' ') { ++c; continue; } if (binary_seq[c] == '?') { ++c; ++match_count; continue; } if (buffer()[i + match_count++] != ((ascii_to_byte(binary_seq[c]) << 4) | ascii_to_byte(binary_seq[c + 1]))) { result = 0; break; } result = i; c += 2; } if (result) { offsets.emplace_back(i); i += match_count - 1; } match_count = 0; result = 0; } return offsets; } template std::vector> Image::FindBinarySequences(SectionHeader* s, std::initializer_list> binary_seq) const { constexpr auto ascii_to_byte = [](const char ch) [[msvc::forceinline]] { if (ch >= '0' && ch <= '9') return std::uint8_t(ch - '0'); if (ch >= 'A' && ch <= 'F') return std::uint8_t(ch - 'A' + '\n'); return std::uint8_t(ch - 'a' + '\n'); }; std::vector> offsets{}; if (s == nullptr) s = &m_rawSectionHeaders[GetNumberOfSections() - 1]; std::uint32_t start_offset = s->GetPointerToRawData(); std::pair result{}; std::uint32_t match_count = 0; for (std::uint32_t i = start_offset; i <= start_offset + s->GetSizeOfRawData(); ++i) { for (auto const& seq : binary_seq) { for (int c = 0; c < seq.second.size();) { if (seq.second[c] == ' ') { ++c; continue; } if (seq.second[c] == '?') { ++c; ++match_count; continue; } std::uint8_t _byte = ((ascii_to_byte(seq.second[c]) << 4) | ascii_to_byte(seq.second[c + 1])); if (buffer()[i + match_count++] != _byte) { result = { 0,0 }; break; } result = {seq.first, i}; c += 2; } if (result.second) { offsets.emplace_back(std::move(result)); break; } match_count = 0; result = { 0, 0 }; } i += std::max(match_count - 1, 0); match_count = 0; } return offsets; } template bool Image::AppendSection(std::string_view section_name, std::uint32_t size, std::uint32_t chrs, SectionHeader* out) { std::uint32_t fileAlignment = GetPEHeader().GetOptionalHeader().GetFileAlignment(); std::uint32_t sectAlignment = GetPEHeader().GetOptionalHeader().GetSectionAlignment(); if (fileAlignment == 0 || sectAlignment == 0) return false; std::uint32_t alignedFileSize = Align(size, fileAlignment); std::uint32_t alignedVirtSize = Align(size, sectAlignment); // // Build a section (these should be the only necessary values to fill) SectionHeader sec; sec.SetName(section_name); sec.SetSizeOfRawData(alignedFileSize); sec.SetVirtualSize(alignedVirtSize); sec.SetCharacteristics(chrs); sec.SetVirtualAddress(GetPEHeader().GetNextSectionRva()); sec.SetPointerToRawData(GetPEHeader().GetNextSectionOffset()); // // Update image size GetPEHeader().GetOptionalHeader().SetSizeOfImage(GetPEHeader().GetOptionalHeader().GetSizeOfImage() + sec.GetVirtualSize()); // // Update number of sections. GetPEHeader().GetFileHeader().SetNumberOfSections(GetNumberOfSections() + 1); // // Fill in some temp data std::vector section_data(sec.GetSizeOfRawData()); std::fill(section_data.begin(), section_data.end(), 0x0); // // Add it in the raw section header std::memcpy(&m_rawSectionHeaders[GetNumberOfSections() - 1], &sec, sizeof(SectionHeader)); if (out) std::memcpy(out, &m_rawSectionHeaders[GetNumberOfSections() - 1], sizeof(SectionHeader)); // // Finally, append it to the image buffer. buffer().insert_data(sec.GetPointerToRawData(), section_data.data(), section_data.size()); // // Re-validate the image/headers. _validate(); return true; } template void pepp::Image::SetMapped() noexcept { for (std::uint16_t i = 0; i < GetNumberOfSections(); ++i) { SectionHeader& sec = GetSectionHeader(i); sec.SetPointerToRawData(sec.GetVirtualAddress()); sec.SetSizeOfRawData(sec.GetVirtualSize()); } m_mem_mapped = true; } ================================================ FILE: vendor/pepp/Image.hpp ================================================ #pragma once namespace pepp { template class PEHeader; class SectionHeader; template class ExportDirectory; template class ImportDirectory; template class RelocationDirectory; enum SectionCharacteristics; enum PEDirectoryEntry; enum class PEMachine; namespace detail { template struct Image_t { using MZHeader_t = IMAGE_DOS_HEADER; using ImportDescriptor_t = IMAGE_IMPORT_DESCRIPTOR; using BoundImportDescriptor_t = IMAGE_BOUND_IMPORT_DESCRIPTOR; using ResourceDirectory_t = IMAGE_RESOURCE_DIRECTORY; using ResourceDirectoryEntry_t = IMAGE_RESOURCE_DIRECTORY_ENTRY; using SectionHeader_t = IMAGE_SECTION_HEADER; using FileHeader_t = IMAGE_FILE_HEADER; using DataDirectory_t = IMAGE_DATA_DIRECTORY; using ExportDirectory_t = IMAGE_EXPORT_DIRECTORY; using RelocationBase_t = IMAGE_BASE_RELOCATION; using ImportAddressTable_t = std::uint32_t; }; template<> struct Image_t<64> { using Header_t = IMAGE_NT_HEADERS64; using TLSDirectory_t = IMAGE_TLS_DIRECTORY64; using ThunkData_t = IMAGE_THUNK_DATA64; using Address_t = std::uint64_t; using OptionalHeader_t = IMAGE_OPTIONAL_HEADER64; }; template<> struct Image_t<32> { using Header_t = IMAGE_NT_HEADERS32; using TLSDirectory_t = IMAGE_TLS_DIRECTORY32; using ThunkData_t = IMAGE_THUNK_DATA32; using Address_t = std::uint32_t; using OptionalHeader_t = IMAGE_OPTIONAL_HEADER32; }; } /// //! class Image //! Used for runtime or static analysis/manipulating of PE files. /// template class Image : pepp::msc::NonCopyable { using CPEHeader = const PEHeader; using CExportDirectory = const ExportDirectory; using CImportDirectory = const ImportDirectory; public: //! Publicize the detail::Image_t used by this image. using ImageData_t = detail::Image_t; friend class PEHeader; static_assert(bitsize == 32 || bitsize == 64, "Invalid bitsize fed into PE::Image"); private: detail::Image_t<>::MZHeader_t* m_MZHeader; std::string m_fileName{}; mem::ByteVector m_imageBuffer{}; PEHeader m_PEHeader; //! Sections SectionHeader* m_rawSectionHeaders; //! Exports ExportDirectory m_exportDirectory; //! Imports ImportDirectory m_importDirectory; //! Relocations RelocationDirectory m_relocDirectory; //! Is image mapped? Rva2Offset becomes obsolete bool m_mem_mapped = false; public: //! Default ctor. Image(); //! Used to construct a `class Image` via a existing file Image(std::string_view filepath); //! Used to construct a `class Image` via a memory buffer Image(const void* data, std::size_t size); //! Used to construct via another `class Image` Image(const Image& image); //! [[nodiscard]] static Image FromRuntimeMemory(void* data, std::size_t size) noexcept; //! bool SetFromRuntimeMemory(void* data, std::size_t size) noexcept; //! Get the start pointer of the buffer. std::uint8_t* base() { return m_imageBuffer.data(); } mem::ByteVector& buffer() { return m_imageBuffer; } const mem::ByteVector& buffer() const { return m_imageBuffer; } //! Magic number in the DOS header. std::uint16_t magic() const { return m_MZHeader->e_magic; } //! PEHeader wrapper class PEHeader& GetPEHeader() { return m_PEHeader; } class ExportDirectory& GetExportDirectory() { return m_exportDirectory; } class ImportDirectory& GetImportDirectory() { return m_importDirectory; } class RelocationDirectory& GetRelocationDirectory() { return m_relocDirectory; } const PEHeader& GetPEHeader() const { return m_PEHeader; } const class ExportDirectory& GetExportDirectory() const { return m_exportDirectory; } const class ImportDirectory& GetImportDirectory() const { return m_importDirectory; } const class RelocationDirectory& GetRelocationDirectory() const { return m_relocDirectory; } //! Native pointer detail::Image_t<>::MZHeader_t* native() { return m_MZHeader; } //! Write out changes to a new functional image. [[nodiscard]] Image Compile(); //! void SetMapped() noexcept; //! Get PEMachine constexpr PEMachine GetMachine() const; //! Is X64 static constexpr unsigned int GetBitSize() { return bitsize; } //! Add a new section to the image bool AppendSection(std::string_view sectionName, std::uint32_t size, std::uint32_t chars, SectionHeader* out = nullptr); //! Extend an existing section (will break things depending on the section) bool ExtendSection(std::string_view sectionName, std::uint32_t delta); //! Append a new export bool AppendExport(std::string_view exportName, std::uint32_t rva); //! Find offset padding of value v with count n, starting at specified header or bottom of image if none specified std::uint32_t FindPadding(SectionHeader* s, std::uint8_t v, std::size_t n, std::uint32_t alignment = 0); //! Find offset zero padding up to N bytes, starting at specified header or bottom of image if none specified std::uint32_t FindZeroPadding(SectionHeader* s, std::size_t n, std::uint32_t alignment = 0); //! Find (wildcard acceptable) binary sequence std::vector FindBinarySequence(SectionHeader* s, std::string_view binary_seq) const; std::vector> FindBinarySequences(SectionHeader* s, std::initializer_list> binary_seq) const; //! Check if a data directory is "present" //! - Necessary before actually using the directory //! (e.g not all images will have a valid IMAGE_EXPORT_DIRECTORY) bool HasDataDirectory(PEDirectoryEntry entry); //! Write out to file void WriteToFile(std::string_view filepath); //! Wrappers SectionHeader& GetSectionHeader(std::uint16_t dwIndex) { return m_PEHeader.GetSectionHeader(dwIndex); } SectionHeader& GetSectionHeader(std::string_view name) { return m_PEHeader.GetSectionHeader(name); } SectionHeader& GetSectionHeaderFromVa(std::uint32_t va) { return m_PEHeader.GetSectionHeaderFromVa(va); } SectionHeader& GetSectionHeaderFromOffset(std::uint32_t offset) { return m_PEHeader.GetSectionHeaderFromOffset(offset); } std::uint16_t GetNumberOfSections() const { return m_PEHeader.GetFileHeader().GetNumberOfSections(); } constexpr auto GetWordSize() const { return bitsize == 64 ? sizeof(std::uint64_t) : sizeof(std::uint32_t); } private: //! Setup internal objects/pointers and validate they are proper. void _validate(); }; using Image64 = Image<64>; using Image86 = Image<32>; } ================================================ FILE: vendor/pepp/ImportDirectory.cpp ================================================ #include "PELibrary.hpp" using namespace pepp; // Explicit templates. template class ImportDirectory<32>; template class ImportDirectory<64>; template bool ImportDirectory::ImportsModule(std::string_view module, std::uint32_t* name_rva) const { auto descriptor = m_base; mem::ByteVector const* buffer = &m_image->buffer(); while (descriptor->FirstThunk != 0) { std::uint32_t offset = m_image->GetPEHeader().RvaToOffset(descriptor->Name); std::string_view modname = buffer->as(offset); if (_stricmp(modname.data(), module.data()) == 0) { if (name_rva) *name_rva = descriptor->Name; return true; } descriptor++; } if (name_rva) *name_rva = 0; return false; } template bool ImportDirectory::HasModuleImport(std::string_view module, std::string_view import, std::uint32_t* rva) const { auto descriptor = m_base; mem::ByteVector const* buffer = &m_image->buffer(); while (descriptor->Characteristics != 0) { std::uint32_t offset = m_image->GetPEHeader().RvaToOffset(descriptor->Name); if (_stricmp(buffer->as(offset), module.data()) == 0) { std::int32_t index = 0; typename detail::Image_t::ThunkData_t* firstThunk = buffer->as(m_image->GetPEHeader().RvaToOffset(descriptor->OriginalFirstThunk)); while (firstThunk->u1.AddressOfData) { // // TODO: Ordinals not handled here. if (IsImportOrdinal(firstThunk->u1.Ordinal)) { index++; firstThunk++; continue; } IMAGE_IMPORT_BY_NAME* _imp = buffer->as(m_image->GetPEHeader().RvaToOffset(firstThunk->u1.AddressOfData)); if (import == _imp->Name) { if (rva) *rva = descriptor->FirstThunk + (index * m_image->GetWordSize()); return true; } index++; firstThunk++; } } descriptor++; } if (rva) *rva = 0; return false; } template void ImportDirectory::AddModuleImport(std::string_view module, std::string_view import, std::uint32_t* rva) { // TODO: Clean this up and optimize some things. auto descriptor = m_base; mem::ByteVector* buffer = &m_image->buffer(); std::unique_ptr descriptors; std::uint32_t vsize = 0, rawsize = 0; vsize = m_image->GetPEHeader() .GetOptionalHeader() .GetDataDirectory(DIRECTORY_ENTRY_IMPORT).Size; descriptors.reset(new uint8_t[vsize]); memset(descriptors.get(), 0, vsize); SectionHeader newSec; // // Add in all the descriptors, so we can relocate them. while (descriptor->Characteristics != 0) { std::memcpy(&descriptors.get()[rawsize], descriptor, sizeof(*descriptor)); rawsize += sizeof detail::Image_t<>::ImportDescriptor_t; std::memset(descriptor, 0x0, sizeof(*descriptor)); descriptor++; } // // For the null term. rawsize += sizeof detail::Image_t<>::ImportDescriptor_t; // // Create a new section for the descriptors if (newSec = m_image->GetSectionHeader(".pepp"); newSec.GetName() == ".dummy") { // // We split a new section into two portions // The first part contains IAT addresses, or IMAGE_IMPORT_BY_NAME structs. // The second part contains import descriptors // NOTE: The section size may need to be modified depending on how many imports need to be added // This is using quite a large section due to a IAT rebuilding tool I created previously. m_image->AppendSection( ".pepp", 20 * PAGE_SIZE, SCN_MEM_READ | SCN_MEM_WRITE | SCN_CNT_INITIALIZED_DATA | SCN_MEM_EXECUTE, &newSec); memset(buffer->as(newSec.GetPointerToRawData()), 0xcc, newSec.GetSizeOfRawData()); newSec.SetPointerToRelocations(0); newSec.SetPointerToLinenumbers(0); newSec.SetNumberOfRelocations(0); newSec.SetNumberOfLinenumbers(0); // Ghetto, needed for now. memcpy(&m_image->GetSectionHeader(".pepp"), &newSec, sizeof newSec); // // Set the new base. m_base = reinterpret_cast( &m_image->base()[m_image->GetPEHeader().RvaToOffset( newSec.GetVirtualAddress() + (10*PAGE_SIZE))]); } // // Fill in the original descriptors std::memcpy(&buffer->at(newSec.GetPointerToRawData() + (10*PAGE_SIZE)), descriptors.get(), vsize); // // Set the new directory m_image->GetPEHeader() .GetOptionalHeader() .GetDataDirectory(DIRECTORY_ENTRY_IMPORT).VirtualAddress = newSec.GetVirtualAddress() + (10*PAGE_SIZE); m_image->GetPEHeader() .GetOptionalHeader() .GetDataDirectory(DIRECTORY_ENTRY_IMPORT).Size = vsize + sizeof detail::Image_t<>::ImportDescriptor_t; std::uint32_t descriptor_offset = newSec.GetPointerToRawData() + (10*PAGE_SIZE) + vsize - sizeof(*descriptor); descriptor = (decltype(descriptor)) & ((*buffer)[descriptor_offset]); // // Fill in default values, we don't use these descriptor->ForwarderChain = 0; descriptor->TimeDateStamp = 0; // // 1) Check if requested module already exists as string, and use that RVA std::uint32_t name_rva = 0; std::uint32_t tmp_offset = 0; std::uint32_t iat_rva = 0; std::uint32_t tmp_rva = 0; std::uint32_t oft_offset = 0; std::uint32_t oft_rva = 0; if (!ImportsModule(module, &name_rva)) { // 2) If 1 isn't possible, add a section or extend the data section (hard) // and add in the module name manually // - set descriptor->Name to that rva tmp_offset = m_image->FindPadding(&newSec, 0xcc, module.size() + 1); name_rva = m_image->GetPEHeader().OffsetToRva(tmp_offset); std::memcpy(buffer->as(tmp_offset), module.data(), module.size()); buffer->as(tmp_offset)[module.size()] = 0; } descriptor->Name = name_rva; using ImageThunkData_t = typename detail::Image_t::ThunkData_t; ImageThunkData_t thunks[2]; // 3) Add in FirstThunk tmp_offset = m_image->FindPadding(&newSec, 0xcc, sizeof(thunks), m_image->GetWordSize()); iat_rva = m_image->GetPEHeader().OffsetToRva(tmp_offset); // // Fill in values so that it doesn't get taken up next time this function is called // Also, these need to be zero. memset(buffer->as(tmp_offset), 0x00, sizeof(thunks)); ImageThunkData_t* firstThunk = m_image->buffer().as(tmp_offset); firstThunk->u1.AddressOfData = iat_rva; descriptor->FirstThunk = iat_rva; if (rva) *rva = iat_rva; // 4) Add in OriginalFirstThunk tmp_offset = m_image->FindPadding(&newSec, 0xcc, sizeof(thunks), m_image->GetWordSize()); tmp_rva = m_image->GetPEHeader().OffsetToRva(tmp_offset); // // Fill in values so that it doesn't get taken up next time this function is called // Also, these need to be zero. memset(buffer->as(tmp_offset), 0x00, sizeof(thunks)); oft_offset = m_image->FindPadding(&newSec, 0xcc, sizeof(std::uint16_t) + import.size() + 1, m_image->GetWordSize()); oft_rva = m_image->GetPEHeader().OffsetToRva(oft_offset); // // Copy in name to the oft rva IMAGE_IMPORT_BY_NAME* imp = buffer->as(oft_offset); imp->Hint = 0x0000; memcpy(&imp->Name[0], import.data(), import.size()); imp->Name[import.size()] = 0; ImageThunkData_t* ogFirstThunk = m_image->buffer().as(tmp_offset); ogFirstThunk->u1.AddressOfData = oft_rva; (ogFirstThunk + 1)->u1.AddressOfData = 0; descriptor->OriginalFirstThunk = tmp_rva; // // Finally null terminate memset((descriptor + 1), 0, sizeof(decltype(*descriptor))); } template void ImportDirectory::AddModuleImports(std::string_view module, std::initializer_list imports, std::uint32_t* rva) { // TODO: Clean this up and optimize some things. auto descriptor = m_base; mem::ByteVector* buffer = &m_image->buffer(); std::unique_ptr descriptors; std::uint32_t vsize = 0, rawsize = 0; vsize = m_image->GetPEHeader() .GetOptionalHeader() .GetDataDirectory(DIRECTORY_ENTRY_IMPORT).Size; descriptors.reset(new uint8_t[vsize]); memset(descriptors.get(), 0, vsize); SectionHeader newSec; // // Add in all the descriptors, so we can relocate them. while (descriptor->Characteristics != 0) { std::memcpy(&descriptors.get()[rawsize], descriptor, sizeof(*descriptor)); rawsize += sizeof detail::Image_t<>::ImportDescriptor_t; std::memset(descriptor, 0x0, sizeof(*descriptor)); descriptor++; } // // For the null term. rawsize += sizeof detail::Image_t<>::ImportDescriptor_t; // // Create a new section for the descriptors if (newSec = m_image->GetSectionHeader(".pepp"); newSec.GetName() == ".dummy") { // // We split a new section into two portions // The first part contains IAT addresses, or IMAGE_IMPORT_BY_NAME structs. // The second part contains import descriptors m_image->AppendSection( ".pepp", 2 * PAGE_SIZE, SCN_MEM_READ | SCN_MEM_WRITE | SCN_CNT_INITIALIZED_DATA | SCN_MEM_EXECUTE, &newSec); memset(buffer->as(newSec.GetPointerToRawData()), 0xcc, newSec.GetSizeOfRawData()); newSec.SetPointerToRelocations(0); newSec.SetPointerToLinenumbers(0); newSec.SetNumberOfRelocations(0); newSec.SetNumberOfLinenumbers(0); // Ghetto, needed for now. memcpy(&m_image->GetSectionHeader(".pepp"), &newSec, sizeof newSec); // // Set the new base. m_base = reinterpret_cast( &m_image->base()[m_image->GetPEHeader().RvaToOffset( newSec.GetVirtualAddress() + PAGE_SIZE)]); } // // Fill in the original descriptors std::memcpy(&buffer->at(newSec.GetPointerToRawData() + PAGE_SIZE), descriptors.get(), vsize); // // Set the new directory m_image->GetPEHeader() .GetOptionalHeader() .GetDataDirectory(DIRECTORY_ENTRY_IMPORT).VirtualAddress = newSec.GetVirtualAddress() + PAGE_SIZE; m_image->GetPEHeader() .GetOptionalHeader() .GetDataDirectory(DIRECTORY_ENTRY_IMPORT).Size = vsize + sizeof detail::Image_t<>::ImportDescriptor_t; std::uint32_t descriptor_offset = newSec.GetPointerToRawData() + PAGE_SIZE + vsize - sizeof(*descriptor); descriptor = (decltype(descriptor)) & ((*buffer)[descriptor_offset]); // // Fill in default values, we don't use these descriptor->ForwarderChain = 0; descriptor->TimeDateStamp = 0; // // 1) Check if requested module already exists as string, and use that RVA std::uint32_t name_rva = 0; std::uint32_t tmp_offset = 0; std::uint32_t iat_rva = 0; std::uint32_t tmp_rva = 0; std::uint32_t oft_offset = 0; std::uint32_t oft_rva = 0; if (!ImportsModule(module, &name_rva)) { // 2) If 1 isn't possible, add a section or extend the data section (hard) // and add in the module name manually // - set descriptor->Name to that rva tmp_offset = m_image->FindPadding(&newSec, 0xcc, module.size() + 1); name_rva = m_image->GetPEHeader().OffsetToRva(tmp_offset); std::memcpy(buffer->as(tmp_offset), module.data(), module.size()); buffer->as(tmp_offset)[module.size()] = 0; } descriptor->Name = name_rva; using ImageThunkData_t = typename detail::Image_t::ThunkData_t; std::size_t thunksize = (imports.size() + 1) * sizeof(ImageThunkData_t); // 3) Add in FirstThunk tmp_offset = m_image->FindPadding(&newSec, 0xcc, thunksize, m_image->GetWordSize()); iat_rva = m_image->GetPEHeader().OffsetToRva(tmp_offset); // // Fill in values so that it doesn't get taken up next time this function is called // Also, these need to be zero. memset(buffer->as(tmp_offset), 0x00, thunksize); ImageThunkData_t* firstThunk = m_image->buffer().as(tmp_offset); firstThunk->u1.AddressOfData = iat_rva; descriptor->FirstThunk = iat_rva; // 4) Add in OriginalFirstThunk tmp_offset = m_image->FindPadding(&newSec, 0xcc, thunksize, m_image->GetWordSize()); tmp_rva = m_image->GetPEHeader().OffsetToRva(tmp_offset); // // Fill in values so that it doesn't get taken up next time this function is called // Also, these need to be zero. memset(buffer->as(tmp_offset), 0x00, thunksize); ImageThunkData_t* ogFirstThunk = m_image->buffer().as(tmp_offset); int i = 0; for (auto it = imports.begin(); it != imports.end(); it++) { oft_offset = m_image->FindPadding(&newSec, 0xcc, sizeof(std::uint16_t) + it->size() + 1, m_image->GetWordSize()); oft_rva = m_image->GetPEHeader().OffsetToRva(oft_offset); // // Copy in name to the oft rva IMAGE_IMPORT_BY_NAME* imp = buffer->as(oft_offset); imp->Hint = 0x0000; memcpy(&imp->Name[0], it->data(), it->size()); imp->Name[it->size()] = '\0'; if (rva) rva[i] = iat_rva + (m_image->GetWordSize() * i++); ogFirstThunk->u1.AddressOfData = oft_rva; ogFirstThunk++; } ogFirstThunk->u1.AddressOfData = 0; descriptor->OriginalFirstThunk = tmp_rva; // // Finally null terminate memset((descriptor + 1), 0, sizeof(decltype(*descriptor))); } template void ImportDirectory::TraverseImports(const std::function& cb_func) { auto descriptor = m_base; mem::ByteVector const* buffer = &m_image->buffer(); while (descriptor->Characteristics != 0) { std::uint32_t offset = m_image->GetPEHeader().RvaToOffset(descriptor->Name); const char* module = buffer->as(offset); std::int32_t index = 0; typename detail::Image_t::ThunkData_t* firstThunk = buffer->as(m_image->GetPEHeader().RvaToOffset(descriptor->OriginalFirstThunk)); ModuleImportData_t data{}; data.module_name_rva = descriptor->Name; data.module_name = module; data.import_rva = -1; while (firstThunk->u1.AddressOfData) { IMAGE_IMPORT_BY_NAME* _imp = buffer->as(m_image->GetPEHeader().RvaToOffset(firstThunk->u1.AddressOfData)); if (IsImportOrdinal(firstThunk->u1.Ordinal)) { data.ordinal = true; data.import_variant = (std::uint64_t)firstThunk->u1.Ordinal; data.import_name_rva = 0; } else { data.import_variant = static_cast(_imp->Name); data.import_name_rva = firstThunk->u1.AddressOfData + sizeof(std::uint16_t); } data.import_rva = descriptor->FirstThunk + (index * m_image->GetWordSize()); // // Call the callback cb_func(&data); index++; firstThunk++; } descriptor++; } } template void ImportDirectory::GetIATOffsets(std::uint32_t& begin, std::uint32_t& end) noexcept { // // Null out. begin = end = 0; IMAGE_DATA_DIRECTORY const& iat = m_image->GetPEHeader().GetOptionalHeader().GetDataDirectory(IMAGE_DIRECTORY_ENTRY_IAT); if (iat.Size == 0) return; begin = m_image->GetPEHeader().RvaToOffset(iat.VirtualAddress); end = begin + iat.Size; } ================================================ FILE: vendor/pepp/ImportDirectory.hpp ================================================ #pragma once #include #include #include namespace pepp { struct ModuleImportData_t { std::uint32_t module_name_rva; std::string module_name; std::uint32_t import_name_rva; std::variant import_variant; std::uint32_t import_rva; bool ordinal; }; static constexpr auto IMPORT_ORDINAL_FLAG_32 = IMAGE_ORDINAL_FLAG32; static constexpr auto IMPORT_ORDINAL_FLAG_64 = IMAGE_ORDINAL_FLAG64; template class ImportDirectory : pepp::msc::NonCopyable { friend class Image<32>; friend class Image<64>; Image* m_image; detail::Image_t<>::ImportDescriptor_t* m_base; detail::Image_t<>::ImportAddressTable_t m_iat_base; public: ImportDirectory() = default; bool ImportsModule(std::string_view module, std::uint32_t* name_rva = nullptr) const; bool HasModuleImport(std::string_view module, std::string_view import, std::uint32_t* rva = nullptr) const; void AddModuleImport(std::string_view module, std::string_view import, std::uint32_t* rva = nullptr); void AddModuleImports(std::string_view module, std::initializer_list imports, std::uint32_t* rva = nullptr); void TraverseImports(const std::function& cb_func); void SetCharacteristics(std::uint32_t chrs) { m_base->Characteristics = chrs; } std::uint32_t GetCharacteristics() const { return m_base->Characteristics; } void SetTimeDateStamp(std::uint32_t TimeDateStamp) { m_base->TimeDateStamp = TimeDateStamp; } std::uint32_t GetTimeDateStamp() const { return m_base->TimeDateStamp; } //! Util template bool IsImportOrdinal(T ord) const requires pepp::msc::MemoryAddress { if constexpr (bitsize == 64) return (ord & IMPORT_ORDINAL_FLAG_64) != 0; return (ord & IMPORT_ORDINAL_FLAG_32) != 0; } void GetIATOffsets(std::uint32_t& begin, std::uint32_t& end) noexcept; private: //! Setup the directory void _setup(Image* image) { m_image = image; m_base = reinterpret_cast( &image->base()[image->GetPEHeader().RvaToOffset( image->GetPEHeader().GetOptionalHeader().GetDataDirectory(DIRECTORY_ENTRY_IMPORT).VirtualAddress)]); m_iat_base = reinterpret_cast( &image->base()[image->GetPEHeader().RvaToOffset( image->GetPEHeader().GetOptionalHeader().GetDataDirectory(DIRECTORY_ENTRY_IAT).VirtualAddress)]); } }; } ================================================ FILE: vendor/pepp/OptionalHeader.cpp ================================================ #include "PELibrary.hpp" using namespace pepp; // Explicit templates. template class OptionalHeader<32>; template class OptionalHeader<64>; template inline OptionalHeader::OptionalHeader() { } template void OptionalHeader::SetMagic(PEMagic magic) { m_base->Magic = static_cast(magic); } template PEMagic OptionalHeader::GetMagic() const { return static_cast(m_base->Magic); } template void OptionalHeader::SetImageBase(detail::Image_t::Address_t address) { m_base->ImageBase = address; } template detail::Image_t::Address_t OptionalHeader::GetImageBase() const { return m_base->ImageBase; } template void OptionalHeader::SetSizeOfImage(std::uint32_t size) { m_base->SizeOfImage = size; } template std::uint32_t OptionalHeader::GetSizeOfImage() const { return m_base->SizeOfImage; } template void OptionalHeader::SetSizeOfCode(std::uint32_t dwSize) { m_base->SizeOfCode = dwSize; } template std::uint32_t OptionalHeader::GetSizeOfCode() const { return m_base->SizeOfCode; } template void OptionalHeader::SetSizeOfInitializedData(std::uint32_t dwSize) { m_base->SizeOfInitializedData = dwSize; } template std::uint32_t OptionalHeader::GetSizeOfInitializedData() const { return m_base->SizeOfInitializedData; } template void OptionalHeader::SetSizeOfUninitializedData(std::uint32_t dwSize) { m_base->SizeOfUninitializedData = dwSize; } template std::uint32_t OptionalHeader::GetSizeOfUninitializedData() const { return m_base->SizeOfUninitializedData; } template void OptionalHeader::SetBaseOfCode(std::uint32_t dwBase) { m_base->BaseOfCode = dwBase; } template std::uint32_t OptionalHeader::GetBaseOfCode() const { return m_base->BaseOfCode; } template void OptionalHeader::SetAddressOfEntryPoint(std::uint32_t dwBase) { m_base->AddressOfEntryPoint = dwBase; } template std::uint32_t OptionalHeader::GetAddressOfEntryPoint() const { return m_base->AddressOfEntryPoint; } template std::uint32_t OptionalHeader::GetFileAlignment() const { return m_base->FileAlignment; } template std::uint32_t OptionalHeader::GetSectionAlignment() const { return m_base->SectionAlignment; } template bool OptionalHeader::HasRelocations() const { return m_base->DataDirectory[DIRECTORY_ENTRY_BASERELOC].Size > 0; } ================================================ FILE: vendor/pepp/OptionalHeader.hpp ================================================ #pragma once namespace pepp { enum PEDirectoryEntry { DIRECTORY_ENTRY_EXPORT = 0, // Export Directory DIRECTORY_ENTRY_IMPORT = 1, // Import Directory DIRECTORY_ENTRY_RESOURCE = 2, // Resource Directory DIRECTORY_ENTRY_EXCEPTION = 3, // Exception Directory DIRECTORY_ENTRY_SECURITY = 4, // Security Directory DIRECTORY_ENTRY_BASERELOC = 5, // Base Relocation Table DIRECTORY_ENTRY_DEBUG = 6, // Debug Directory DIRECTORY_ENTRY_ARCHITECTURE = 7, // Architecture Specific Data DIRECTORY_ENTRY_GLOBALPTR = 8, // RVA of GP DIRECTORY_ENTRY_TLS = 9, // TLS Directory DIRECTORY_ENTRY_LOAD_CONFIG = 10, // Load Configuration Directory DIRECTORY_ENTRY_BOUND_IMPORT = 11, // Bound Import Directory in headers DIRECTORY_ENTRY_IAT = 12, // Import Address Table DIRECTORY_ENTRY_DELAY_IMPORT = 13, // Delay Load Import Descriptors DIRECTORY_ENTRY_COM_DESCRIPTOR = 14 // COM Runtime descriptor }; enum class PEMagic { HDR_32 = 0x10b, HDR_64 = 0x20b, HDR_ROM = 0x107 }; template class OptionalHeader : pepp::msc::NonCopyable { friend class PEHeader; friend class Image; using ImageData_t = detail::Image_t; Image* m_Image; ImageData_t::OptionalHeader_t* m_base{ nullptr }; public: OptionalHeader(); //! Getter/setter for OptionalHeader.Magic void SetMagic(PEMagic magic); PEMagic GetMagic() const; //! Getter/setter for OptionalHeader.ImageBase void SetImageBase(detail::Image_t::Address_t address); detail::Image_t::Address_t GetImageBase() const; //! Getter/setter for OptionalHeader.SizeOfImage void SetSizeOfImage(std::uint32_t size); std::uint32_t GetSizeOfImage() const; //! Getter/setter for OptionalHeader.SizeOfCode void SetSizeOfCode(std::uint32_t dwSize); std::uint32_t GetSizeOfCode() const; //! Getter/setter for OptionalHeader.SizeOfInitializedData void SetSizeOfInitializedData(std::uint32_t dwSize); std::uint32_t GetSizeOfInitializedData() const; //! Getter/setter for OptionalHeader.SizeOfUninitializedData void SetSizeOfUninitializedData(std::uint32_t dwSize); std::uint32_t GetSizeOfUninitializedData() const; //! Getter/setter for OptionalHeader.BaseOfCode void SetBaseOfCode(std::uint32_t dwBase); std::uint32_t GetBaseOfCode() const; //! Getter/setter for OptionalHeader.AddressOfEntryPoint void SetAddressOfEntryPoint(std::uint32_t dwBase); std::uint32_t GetAddressOfEntryPoint() const; //! Getter for OptionalHeader.FileAlignment std::uint32_t GetFileAlignment() const; //! Getter for OptionalHeader.SectionAlignment std::uint32_t GetSectionAlignment() const; //! Get data directory detail::Image_t<>::DataDirectory_t& GetDataDirectory(int idx) const { return m_base->DataDirectory[idx]; } //! Calculate the number of directories present (not NumberOfRvaAndSizes) std::uint32_t DirectoryCount() const { std::uint32_t count{ 0ul }; for (int i = 0; i < MAX_DIRECTORY_COUNT; i++) { if (GetDataDirectory(i).Size > 0) { ++count; } } return count; } std::uint8_t* base() const { return (std::uint8_t*)m_base; } //! Check if image has relocations bool HasRelocations() const; private: void _setup(Image* image) { m_Image = image; m_base = &image->GetPEHeader().native()->OptionalHeader; } }; } ================================================ FILE: vendor/pepp/PEHeader.cpp ================================================ #include "PELibrary.hpp" using namespace pepp; // Explicit templates. template class PEHeader<32>; template class PEHeader<64>; template inline PEHeader::PEHeader() : m_Image(nullptr) { } template std::uint32_t PEHeader::GetSizeOfImage() { std::uint32_t dwLowestRva{ 0 }; std::uint32_t dwHighestRva{ 0 }; for (std::uint16_t n = 0; n < GetFileHeader().GetNumberOfSections(); n++) { // // Skip sections with bad Misc.VirtualSize if (m_Image->m_rawSectionHeaders[n].GetVirtualSize() == 0) continue; // // Fill in high/low rvas if possible. if (m_Image->m_rawSectionHeaders[n].GetVirtualAddress() < dwLowestRva) dwLowestRva = m_Image->m_rawSectionHeaders[n].GetVirtualAddress(); if (m_Image->m_rawSectionHeaders[n].GetVirtualAddress() > dwHighestRva) dwHighestRva = m_Image->m_rawSectionHeaders[n].GetVirtualAddress() + m_Image->m_rawSectionHeaders[n].GetVirtualSize(); } return (dwHighestRva - dwLowestRva); } template std::uint32_t PEHeader::GetStartOfCode() { return m_OptionalHeader.GetBaseOfCode(); } template std::uint32_t PEHeader::GetNextSectionOffset() { std::uint16_t nlastSecIdx = GetFileHeader().GetNumberOfSections() - 1; SectionHeader const& sec = GetSectionHeader(nlastSecIdx); std::uint32_t uNextOffset = sec.GetPointerToRawData() + sec.GetSizeOfRawData(); /* * FileAlignment * The alignment of the raw data of sections in the image file, in bytes. */ return Align(uNextOffset, GetOptionalHeader().GetFileAlignment()); } template std::uint32_t PEHeader::GetNextSectionRva() { std::uint16_t nlastSecIdx = GetFileHeader().GetNumberOfSections() - 1; SectionHeader const& sec = GetSectionHeader(nlastSecIdx); std::uint32_t uNextRva = sec.GetVirtualAddress() + sec.GetVirtualSize(); /* * SectionAlignment * The alignment of sections loaded in memory, in bytes. */ return Align(uNextRva, GetOptionalHeader().GetSectionAlignment()); } ================================================ FILE: vendor/pepp/PEHeader.hpp ================================================ #pragma once namespace pepp { constexpr static int MAX_DIRECTORY_COUNT = 16; template class Image; template class OptionalHeader; class SectionHeader; class FileHeader; template class PEHeader : pepp::msc::NonCopyable { friend class Image; using ImageData_t = detail::Image_t; Image* m_Image; ImageData_t::Header_t* m_PEHdr = nullptr; FileHeader m_FileHeader; OptionalHeader m_OptionalHeader; private: //! Private constructor, this should never be established outside of `class Image` PEHeader(); public: class FileHeader& GetFileHeader() { return m_FileHeader; } const class FileHeader& GetFileHeader() const { return m_FileHeader; } class OptionalHeader& GetOptionalHeader() { return m_OptionalHeader; } const class OptionalHeader& GetOptionalHeader() const { return m_OptionalHeader; } SectionHeader& GetSectionHeader(std::uint16_t dwIndex) { static SectionHeader dummy{}; if (dwIndex < m_Image->GetNumberOfSections()) return m_Image->m_rawSectionHeaders[dwIndex]; return dummy; } SectionHeader& GetSectionHeader(std::string_view name) { static SectionHeader dummy{}; for (std::uint16_t n = 0; n < m_Image->GetNumberOfSections(); n++) { if (m_Image->m_rawSectionHeaders[n].GetName().compare(name) == 0) { return m_Image->m_rawSectionHeaders[n]; } } return dummy; } SectionHeader& GetSectionHeaderFromVa(std::uint32_t va) { static SectionHeader dummy{}; for (std::uint16_t n = 0; n < m_Image->GetNumberOfSections(); n++) { if (m_Image->m_rawSectionHeaders[n].HasVirtualAddress(va)) { return m_Image->m_rawSectionHeaders[n]; } } return dummy; } SectionHeader& GetSectionHeaderFromOffset(std::uint32_t offset) { static SectionHeader dummy{}; for (std::uint16_t n = 0; n < m_Image->GetNumberOfSections(); n++) { if (m_Image->m_rawSectionHeaders[n].HasOffset(offset)) { return m_Image->m_rawSectionHeaders[n]; } } return dummy; } //! Calculate the number of directories present (not NumberOfRvaAndSizes) std::uint32_t DirectoryCount() const { return GetOptionalHeader().DirectoryCount(); } //! Convert a relative virtual address to a file offset std::uint32_t RvaToOffset(std::uint32_t rva) { SectionHeader const& sec { GetSectionHeaderFromVa(rva) }; // // Did we get one? if (sec.GetName() != ".dummy") { return sec.GetPointerToRawData() + rva - sec.GetVirtualAddress(); } return 0ul; } //! Convert a file offset back to a relative virtual address std::uint32_t OffsetToRva(std::uint32_t offset) { SectionHeader const& sec{ GetSectionHeaderFromOffset(offset) }; // // Did we get one? if (sec.GetName() != ".dummy") { return (sec.GetVirtualAddress() + offset) - sec.GetPointerToRawData(); } return 0ul; } //! Convert a rel. virtual address to a virtual address detail::Image_t::Address_t RvaToVa(std::uint32_t rva) const { return m_OptionalHeader.GetImageBase() + rva; } //! Used to check if the NT tag is present. bool IsTaggedPE() const { return m_PEHdr->Signature == IMAGE_NT_SIGNATURE; } std::uint8_t* base() const { return (std::uint8_t*)m_PEHdr; } constexpr std::size_t size() const { return sizeof(decltype(*m_PEHdr)); } //! Return native pointer detail::Image_t::Header_t* native() { return m_PEHdr; } //! Manually calculate the size of the image std::uint32_t GetSizeOfImage(); //! Manually calculate the start of the code section std::uint32_t GetStartOfCode(); //! Calculate next section offset std::uint32_t GetNextSectionOffset(); //! Calculate next section rva std::uint32_t GetNextSectionRva(); private: //! Setup the header void _setup(Image* image) { m_Image = image; m_PEHdr = reinterpret_cast(m_Image->base() + m_Image->m_MZHeader->e_lfanew); m_FileHeader._setup(image); m_OptionalHeader._setup(image); } }; } ================================================ FILE: vendor/pepp/PELibrary.hpp ================================================ #pragma once #include #include #include #include #include #include #include "misc/File.hpp" #include "misc/NonCopyable.hpp" #include "misc/ByteVector.hpp" #include "misc/Concept.hpp" #include "misc/Address.hpp" #include "Image.hpp" #include "PEHeader.hpp" #include "SectionHeader.hpp" #include "FileHeader.hpp" #include "OptionalHeader.hpp" #include "ExportDirectory.hpp" #include "ImportDirectory.hpp" #include "RelocationDirectory.hpp" #include "PEUtil.hpp" ================================================ FILE: vendor/pepp/PEUtil.cpp ================================================ #include "PELibrary.hpp" #include #pragma comment(lib, "dbghelp.lib") using namespace pepp; std::string pepp::DemangleName(std::string_view mangled_name) { // // TODO: Don't rely on DbgHelp?? char undecorated_name[1024]; UnDecorateSymbolName( mangled_name.data(), undecorated_name, sizeof undecorated_name, UNDNAME_32_BIT_DECODE | UNDNAME_NAME_ONLY); return undecorated_name; } ================================================ FILE: vendor/pepp/PEUtil.hpp ================================================ #pragma once namespace pepp { //! Windows 32/64bit declare the page size as 4kb (4096) static constexpr std::uint32_t PAGE_SIZE = 0x1000; //! Align a value template constexpr __forceinline auto Align(V_t value, std::uint32_t alignment) requires std::unsigned_integral { if (alignment == 0) return value; return ((value + alignment) & ~(alignment - 1)); } //! Make a value 4kb aligned (for section purposes) template constexpr __forceinline auto Align4kb(V_t v) requires std::unsigned_integral { return Align(v, PAGE_SIZE); } //! Demangle a mangled name (MS supplied) std::string DemangleName(std::string_view mangled_name); } ================================================ FILE: vendor/pepp/RelocationDirectory.cpp ================================================ #include "PELibrary.hpp" using namespace pepp; // Explicit templates. template class RelocationDirectory<32>; template class RelocationDirectory<64>; template int RelocationDirectory::GetNumberOfBlocks() const { auto base = m_base; int count = 0; while (base->VirtualAddress) { count++; base = decltype(base)((char*)base + base->SizeOfBlock); } return count; } template int RelocationDirectory::GetNumberOfEntries(detail::Image_t<>::RelocationBase_t* reloc) const { // MSDN: The Block Size field is then followed by any number of Type or Offset field entries. // Each entry is a WORD (2 bytes) return (reloc->SizeOfBlock - sizeof(decltype(*reloc))) / sizeof(std::uint16_t); } template std::uint32_t RelocationDirectory::GetRemainingFreeBytes() const { auto base = m_base; std::uint32_t count = 0; while (base->VirtualAddress) { count += base->SizeOfBlock; base = decltype(base)((char*)base + base->SizeOfBlock); } return std::max(m_section->GetVirtualSize() - count, 0); } template bool pepp::RelocationDirectory::ChangeRelocationType(std::uint32_t rva, RelocationType type) { auto base = m_base; std::vector entries; while (base->VirtualAddress) { int numEntries = GetNumberOfEntries(base); std::uint16_t* entry = (std::uint16_t*)(base + 1); for (int i = 0; i != numEntries; i++, entry++) { BlockEntry block(base->VirtualAddress, *entry); if (block.GetRva() == rva) { *entry = CraftRelocationBlockEntry(type, block.GetOffset()); return true; } } base = decltype(base)((char*)base + base->SizeOfBlock); } return false; } template std::vector RelocationDirectory::GetBlockEntries(int blockIdx) { auto base = m_base; int count = 0; std::vector entries; while (base->VirtualAddress) { if (count == blockIdx) { int numEntries = GetNumberOfEntries(base); std::uint16_t* entry = (std::uint16_t*)(base + 1); for (int i = 0; i != numEntries; i++, entry++) { entries.emplace_back(base->VirtualAddress, *entry); } } base = decltype(base)((char*)base + base->SizeOfBlock); count++; } return entries; } template BlockStream RelocationDirectory::CreateBlock(std::uint32_t rva, std::uint32_t num_entries) { std::uint32_t size = sizeof(detail::Image_t<>::RelocationBase_t) + num_entries * sizeof(std::uint16_t); detail::Image_t<>::RelocationBase_t* reloc; std::uint32_t remaining_bytes = GetRemainingFreeBytes(); if (remaining_bytes < size) { assert(m_image->ExtendSection(m_section->GetName(), size - remaining_bytes)); } auto base = m_base; int count = 0; while (base->VirtualAddress) { base = decltype(base)((char*)base + base->SizeOfBlock); } base->VirtualAddress = rva; base->SizeOfBlock = size; return BlockStream(base); } ================================================ FILE: vendor/pepp/RelocationDirectory.hpp ================================================ #pragma once namespace pepp { /* * Relocations: research32.blogspot.com/2015/01/base-relocation-table.html * Format looks like * 00 10 00 00 | RVA of Block * 28 01 00 00 | Size of Block * ?? ?? ?? ?? ..... | Entries in block * (entry count = (reloc->SizeOfBlock - sizeof(IMAGE_BASE_RELOC)) / sizeof(WORD)) */ enum RelocationType : std::int8_t { REL_BASED_ABSOLUTE = 0, REL_BASED_HIGH = 1, REL_BASED_LOW = 2, REL_BASED_HIGHLOW = 3, REL_BASED_HIGHADJ = 4, REL_BASED_MACHINE_SPECIFIC_5 = 5, REL_BASED_RESERVED = 6, REL_BASED_MACHINE_SPECIFIC_7 = 7, REL_BASED_MACHINE_SPECIFIC_8 = 8, REL_BASED_MACHINE_SPECIFIC_9 = 9, REL_BASED_DIR64 = 10 }; constexpr std::uint16_t CraftRelocationBlockEntry(RelocationType type, std::uint16_t offset) noexcept { return (offset & 0xfff) | (type << 12); } class BlockEntry { std::uint32_t m_va; std::uint16_t m_entry; public: BlockEntry(std::uint32_t va, std::uint16_t entry) : m_va(va) , m_entry(entry) { } RelocationType GetType() const { return static_cast(m_entry >> 12); } std::uint32_t GetOffset() const { // Single out the last 12 bits of the entry return static_cast(m_entry & ((1 << 12) - 1)); } std::uint32_t GetRva() const { return m_va + GetOffset(); } constexpr operator std::uint16_t() const { return m_entry; } }; class BlockStream { std::uint16_t* m_base; std::uint32_t m_idx; std::uint32_t m_max_size; public: BlockStream(detail::Image_t<>::RelocationBase_t* reloc) : m_base((std::uint16_t*)(reloc+1)) , m_idx(0) , m_max_size(reloc->SizeOfBlock) { } void Push(RelocationType type, std::uint16_t offset) { if (m_idx * sizeof(uint16_t) >= m_max_size) return; m_base[m_idx++] = CraftRelocationBlockEntry(type, offset); } }; template class RelocationDirectory : pepp::msc::NonCopyable { friend class Image<32>; friend class Image<64>; using PatchType_t = typename detail::Image_t::Address_t; Image* m_image; detail::Image_t<>::RelocationBase_t* m_base; SectionHeader* m_section; public: int GetNumberOfBlocks() const; int GetNumberOfEntries(detail::Image_t<>::RelocationBase_t* reloc) const; std::uint32_t GetRemainingFreeBytes() const; bool ChangeRelocationType(std::uint32_t rva, RelocationType type); std::vector GetBlockEntries(int blockIdx); BlockStream CreateBlock(std::uint32_t rva, std::uint32_t num_entries); bool IsPresent() const { return m_image->GetPEHeader().GetOptionalHeader().GetDataDirectory(DIRECTORY_ENTRY_BASERELOC).Size > 0; } private: //! Setup the directory void _setup(Image* image) { m_image = image; m_base = reinterpret_cast( &image->base()[image->GetPEHeader().RvaToOffset( image->GetPEHeader().GetOptionalHeader().GetDataDirectory(DIRECTORY_ENTRY_BASERELOC).VirtualAddress)]); m_section = &image->GetSectionHeaderFromVa(image->GetPEHeader().GetOptionalHeader().GetDataDirectory(DIRECTORY_ENTRY_BASERELOC).VirtualAddress); } }; } ================================================ FILE: vendor/pepp/SectionHeader.cpp ================================================ #include "PELibrary.hpp" using namespace pepp; void SectionHeader::SetName(std::string_view name) { std:memcpy(m_base.Name, name.data(), name.size()); } std::string SectionHeader::GetName() const { char szData[9]; std::memcpy(szData, m_base.Name, sizeof m_base.Name); szData[8] = '\0'; return szData; } std::uint32_t SectionHeader::GetFileAddress() const { return m_base.Misc.PhysicalAddress; } void SectionHeader::SetFileAddress(std::uint32_t fileAddress) { m_base.Misc.PhysicalAddress = fileAddress; } std::uint32_t SectionHeader::GetVirtualSize() const { return m_base.Misc.VirtualSize; } void SectionHeader::SetVirtualSize(std::uint32_t virtualSize) { m_base.Misc.VirtualSize = virtualSize; } std::uint32_t SectionHeader::GetVirtualAddress() const { return m_base.VirtualAddress; } void SectionHeader::SetVirtualAddress(std::uint32_t va) { m_base.VirtualAddress = va; } std::uint32_t SectionHeader::GetSizeOfRawData() const { return m_base.SizeOfRawData; } void SectionHeader::SetSizeOfRawData(std::uint32_t sz) { m_base.SizeOfRawData = sz; } std::uint32_t SectionHeader::GetPointerToRawData() const { return m_base.PointerToRawData; } void SectionHeader::SetPointerToRawData(std::uint32_t ptr) { m_base.PointerToRawData = ptr; } std::uint32_t SectionHeader::GetPointerToRelocations() const { return m_base.PointerToRelocations; } void SectionHeader::SetPointerToRelocations(std::uint32_t ptr) { m_base.PointerToRelocations = ptr; } std::uint32_t SectionHeader::GetPointerToLinenumbers() const { return m_base.PointerToLinenumbers; } void SectionHeader::SetPointerToLinenumbers(std::uint32_t ptr) { m_base.PointerToLinenumbers = ptr; } std::uint16_t SectionHeader::GetNumberOfRelocations() const { return m_base.NumberOfRelocations; } void SectionHeader::SetNumberOfRelocations(std::uint16_t num) { m_base.NumberOfRelocations = num; } std::uint16_t SectionHeader::GetNumberOfLinenumbers() const { return m_base.NumberOfLinenumbers; } void SectionHeader::SetNumberOfLinenumbers(std::uint16_t num) { m_base.NumberOfLinenumbers = num; } std::uint32_t SectionHeader::GetCharacteristics() const { return m_base.Characteristics; } void SectionHeader::SetCharacteristics(std::uint32_t chars) { m_base.Characteristics = chars; } ================================================ FILE: vendor/pepp/SectionHeader.hpp ================================================ #pragma once namespace pepp { template class Image; enum SectionCharacteristics : std::uint32_t { SCN_TYPE_NO_PAD = 0x00000008, // Reserved. SCN_CNT_CODE = 0x00000020, // Section contains code. SCN_CNT_INITIALIZED_DATA = 0x00000040, // Section contains initialized data. SCN_CNT_UNINITIALIZED_DATA = 0x00000080, // Section contains uninitialized data. SCN_LNK_OTHER = 0x00000100, // Reserved. SCN_LNK_INFO = 0x00000200, // Section contains comments or some other type of information. SCN_LNK_REMOVE = 0x00000800, // Section contents will not become part of image. SCN_LNK_COMDAT = 0x00001000, // Section contents comdat. SCN_NO_DEFER_SPEC_EXC = 0x00004000, // Reset speculative exceptions handling bits in the TLB entries for this section. SCN_GPREL = 0x00008000, // Section content can be accessed relative to GP SCN_MEM_FARDATA = 0x00008000, SCN_MEM_PURGEABLE = 0x00020000, SCN_MEM_16BIT = 0x00020000, SCN_MEM_LOCKED = 0x00040000, SCN_MEM_PRELOAD = 0x00080000, SCN_ALIGN_1BYTES = 0x00100000, // SCN_ALIGN_2BYTES = 0x00200000, // SCN_ALIGN_4BYTES = 0x00300000, // SCN_ALIGN_8BYTES = 0x00400000, // SCN_ALIGN_16BYTES = 0x00500000, // Default alignment if no others are specified. SCN_ALIGN_32BYTES = 0x00600000, // SCN_ALIGN_64BYTES = 0x00700000, // SCN_ALIGN_128BYTES = 0x00800000, // SCN_ALIGN_256BYTES = 0x00900000, // SCN_ALIGN_512BYTES = 0x00A00000, // SCN_ALIGN_1024BYTES = 0x00B00000, // SCN_ALIGN_2048BYTES = 0x00C00000, // SCN_ALIGN_4096BYTES = 0x00D00000, // SCN_ALIGN_8192BYTES = 0x00E00000, // SCN_ALIGN_MASK = 0x00F00000, SCN_LNK_NRELOC_OVFL = 0x01000000, // Section contains extended relocations. SCN_MEM_DISCARDABLE = 0x02000000, // Section can be discarded. SCN_MEM_NOT_CACHED = 0x04000000, // Section is not cachable. SCN_MEM_NOT_PAGED = 0x08000000, // Section is not pageable. SCN_MEM_SHARED = 0x10000000, // Section is shareable. SCN_MEM_EXECUTE = 0x20000000, // Section is executable. SCN_MEM_READ = 0x40000000, // Section is readable. SCN_MEM_WRITE = 0x80000000 // Section is writeable. }; class SectionHeader { friend class Image<32>; friend class Image<64>; detail::Image_t<>::SectionHeader_t m_base; public: SectionHeader() { memcpy(m_base.Name, ".dummy", sizeof(".dummy")); } //! Getter/setter for SectionHeader.Name void SetName(std::string_view name); std::string GetName() const; //! Getter/setters for SectionHeader.Misc std::uint32_t GetFileAddress() const; void SetFileAddress(std::uint32_t fileAddress); std::uint32_t GetVirtualSize() const; void SetVirtualSize(std::uint32_t virtualSize); //! Getter/setter for VirtualAddress std::uint32_t GetVirtualAddress() const; void SetVirtualAddress(std::uint32_t va); //! Getter/setter for SizeOfRawData std::uint32_t GetSizeOfRawData() const; void SetSizeOfRawData(std::uint32_t sz); //! Getter/setter for SizeOfRawData std::uint32_t GetPointerToRawData() const; void SetPointerToRawData(std::uint32_t ptr); //! Getter/setter for PointerToRelocations std::uint32_t GetPointerToRelocations() const; void SetPointerToRelocations(std::uint32_t ptr); //! Getter/setter for PointerToLinenumbers std::uint32_t GetPointerToLinenumbers() const; void SetPointerToLinenumbers(std::uint32_t ptr); //! Getter/setter for NumberOfRelocations std::uint16_t GetNumberOfRelocations() const; void SetNumberOfRelocations(std::uint16_t num); //! Getter/setter for std::uint16_t GetNumberOfLinenumbers() const; void SetNumberOfLinenumbers(std::uint16_t num); //! Getter/setter for std::uint32_t GetCharacteristics() const; void SetCharacteristics(std::uint32_t chars); // Section utility functions void AddCharacteristic(std::uint32_t dwChar) { m_base.Characteristics |= dwChar; } void StripCharacteristic(std::uint32_t dwChar) { m_base.Characteristics &= ~dwChar; } bool IsReadable() const { return GetCharacteristics() & SCN_MEM_READ; } bool IsWriteable() const { return GetCharacteristics() & SCN_MEM_WRITE; } bool IsExecutable() const { return GetCharacteristics() & SCN_MEM_EXECUTE; } bool HasVirtualAddress(std::uint32_t va) const { return va >= m_base.VirtualAddress && va < m_base.VirtualAddress + m_base.Misc.VirtualSize; } bool HasOffset(std::uint32_t offset) const { return offset >= m_base.PointerToRawData && offset < m_base.PointerToRawData + m_base.SizeOfRawData; } }; static_assert(sizeof(SectionHeader) == sizeof(detail::Image_t<>::SectionHeader_t), "Invalid size of SectionHeader"); } ================================================ FILE: vendor/pepp/misc/Address.hpp ================================================ #pragma once #include "Concept.hpp" namespace pepp { template class Address { ValueType m_address; public: template constexpr Address(T value = 0) noexcept requires pepp::msc::MemoryAddress : m_address((ValueType)(value)) { } constexpr Address(const Address& rhs) = default; ~Address() = default; Address& operator=(const Address& rhs) noexcept { m_address = rhs.m_address; return *this; } constexpr explicit operator std::uintptr_t() const noexcept { return m_address; } constexpr ValueType uintptr() const noexcept { return m_address; } template C* as_ptr() noexcept requires pepp::msc::MemoryAddress { return reinterpret_cast(m_address); } template C as() noexcept { return (C)m_address; } template C& deref() noexcept { return *reinterpret_cast(m_address); } /* *! Comparison operators */ constexpr bool operator==(const Address& rhs) const noexcept { return m_address == rhs.m_address; } constexpr bool operator!=(const Address& rhs) const noexcept { return m_address != rhs.m_address; } constexpr bool operator>=(const Address& rhs) const noexcept { return m_address >= rhs.m_address; } constexpr bool operator<=(const Address& rhs) const noexcept { return m_address <= rhs.m_address; } constexpr bool operator>(const Address& rhs) const noexcept { return m_address > rhs.m_address; } constexpr bool operator<(const Address& rhs) const noexcept { return m_address < rhs.m_address; } /* /! Arithmetic operators */ constexpr Address operator+(const Address& rhs) const noexcept { return m_address + rhs.m_address; } constexpr Address operator-(const Address& rhs) const noexcept { return m_address - rhs.m_address; } constexpr Address operator*(const Address& rhs) const noexcept { return m_address * rhs.m_address; } constexpr Address operator/(const Address& rhs) const noexcept { return m_address / rhs.m_address; } /* /! */ constexpr Address& operator+=(const Address& rhs) noexcept { m_address += rhs.m_address; return *this; } constexpr Address& operator-=(const Address& rhs) noexcept { m_address -= rhs.m_address; return *this; } constexpr Address& operator*=(const Address& rhs) noexcept { m_address *= rhs.m_address; return *this; } /* /! Bitwise operators */ constexpr Address operator>>(const Address& rhs) const noexcept { return m_address >> rhs.m_address; } constexpr Address operator<<(const Address& rhs) const noexcept { return m_address << rhs.m_address; } constexpr Address operator^(const Address& rhs) const noexcept { return m_address ^ rhs.m_address; } constexpr Address operator&(const Address& rhs) const noexcept { return m_address & rhs.m_address; } constexpr Address operator|(const Address& rhs) const noexcept { return m_address | rhs.m_address; } /* /! */ constexpr Address& operator>>=(const Address& rhs) noexcept { m_address >>= rhs.m_address; return *this; } constexpr Address& operator<<=(const Address& rhs) noexcept { m_address <<= rhs.m_address; return *this; } constexpr Address& operator^=(const Address& rhs) noexcept { m_address ^= rhs.m_address; return *this; } constexpr Address& operator&=(const Address& rhs) noexcept { m_address &= rhs.m_address; return *this; } constexpr Address& operator|=(const Address& rhs) noexcept { m_address |= rhs.m_address; return *this; } }; } ================================================ FILE: vendor/pepp/misc/ByteVector.hpp ================================================ #pragma once #include namespace pepp::mem { class ByteVector : public std::vector { public: // //! Used for pushing a single byte. //! Example: push(0x55) // constexpr ByteVector& push_byte(std::uint8_t byte) { push_back(byte); return *this; } // //! Used for pushing raw data //! Example: push_raw(data, size) // template constexpr ByteVector& push_raw(const T* data, std::size_t rsize) { resize(size() + rsize); memcpy(&(*this)[size() - rsize], data, rsize); return *this; } // //! Used for pushing a container. //! Example: push_container(array/vector/etc) // template constexpr ByteVector& push_container(const T& container) { for (auto c : container) push_back(static_cast(c)); return *this; } // //! Used for pushing a raw array. //! Example: push_array({0x55, 0x8b, 0xec}) // template constexpr ByteVector& push_array(const std::initializer_list& list) requires std::convertible_to { for (auto c : list) push_back(static_cast(c)); return *this; } // //! Used for pushing a iterator range. //! Example: push_range(c.begin(), c.end()) // template constexpr ByteVector& push_range(iterator_t first, iterator_t last) { while (first != last) { push_back(static_cast(*first)); first++; } return *this; } // //! Used for pushing arguments. //! Example: push_args(0x55, 0x8b, 0xec) // constexpr ByteVector& push_args(std::convertible_to auto... args) { for (auto arg : { args... }) push_back(static_cast(arg)); return *this; } // //! Push a double dword //! Example: push_dword(0xdeadbeef) .. // constexpr ByteVector& push_dword(std::uint32_t dword) { push_back(static_cast(dword & 0xFF)); push_back(static_cast((dword >> 8) & 0xFF)); push_back(static_cast((dword >> 16) & 0xFF)); push_back(static_cast((dword >> 24) & 0xFF)); return *this; } // //! Push a quad word //! Example: push_qword(0x1122334411223344) .. // constexpr ByteVector& push_qword(std::uint64_t qword) { push_back(static_cast(qword & 0xFF)); push_back(static_cast((qword >> 8) & 0xFF)); push_back(static_cast((qword >> 16) & 0xFF)); push_back(static_cast((qword >> 24) & 0xFF)); push_back(static_cast((qword >> 32) & 0xFF)); push_back(static_cast((qword >> 40) & 0xFF)); push_back(static_cast((qword >> 48) & 0xFF)); push_back(static_cast((qword >> 56) & 0xFF)); return *this; } // //! Copy in data at specified index //! Example: copy_data(0, data, size) // template ByteVector& copy_data(std::size_t idx, const T* data, std::size_t rsize) { if (size() > idx) { std::memcpy(&(*this)[idx], data, rsize); } return *this; } // //! Add/insert in data at specified index //! Example: insert_data(0, data, size) // template ByteVector& insert_data(std::size_t idx, const T* data, std::size_t rsize) { if (size() <= idx) resize(idx); insert(begin() + idx, rsize, 0x0); memcpy(&(*this)[idx], data, rsize); return *this; } // //! Interpret data as T //! Example: as(0x0/) // template T as(std::size_t idx = 0x0) const { return (T)(&at(idx)); } template T as(std::size_t idx = 0x0) { return (T)(&at(idx)); } // //! Dereference bytes as T //! Example: deref(0x0/) // template T deref(std::size_t idx = 0x0) const { return *(T*)(&at(idx)); } }; } ================================================ FILE: vendor/pepp/misc/Concept.hpp ================================================ #pragma once #include namespace pepp::msc { template concept Arithmetic = std::is_arithmetic_v; template concept MemoryAddress = std::is_integral_v || std::is_pointer_v; } ================================================ FILE: vendor/pepp/misc/File.cpp ================================================ #include #include #include #include #include #include "File.hpp" namespace pepp::io { File::File(std::string_view filename, int flags) : m_filename(filename) , m_flags(flags) { } File::File(File&& other) : m_filename(std::move(other.m_filename)) , m_flags(other.m_flags) { } void File::Write(std::string_view text) { m_out_file.open(m_filename, m_flags & ~FILE_INPUT); if (m_out_file.is_open()) { m_out_file << text; m_out_file.close(); } } void File::Write(const std::vector& data) { m_out_file.open(m_filename, m_flags & ~FILE_INPUT); if (m_out_file.is_open()) { m_out_file.write((const char*)data.data(), data.size()); m_out_file.close(); } } std::vector File::Read() { std::vector file_buffer; m_in_file.open(m_filename, m_flags & ~FILE_OUTPUT); if (m_in_file.is_open()) { file_buffer = std::vector(std::istreambuf_iterator(m_in_file), {}); m_in_file.close(); } return file_buffer; } std::uintmax_t File::GetSize() { return std::filesystem::file_size(m_filename); } File& io::File::operator=(File&& rhs) { if (this == &rhs) return *this; std::swap(m_filename, rhs.m_filename); std::swap(m_flags, rhs.m_flags); return *this; } } ================================================ FILE: vendor/pepp/misc/File.hpp ================================================ #pragma once #include namespace pepp::io { enum FileFlags { FILE_INPUT = 1, FILE_OUTPUT = 2, FILE_APP = 8, FILE_TRUNC = 16, FILE_BINARY = 32 }; class File { public: File() = default; File(const File& other) = default; File(std::string_view filename, int flags); File(File&& other); void Write(std::string_view text); void Write(const std::vector& data); std::vector Read(); std::uintmax_t GetSize(); File& operator=(File&& rhs); private: std::string m_filename; int m_flags; std::ofstream m_out_file; std::ifstream m_in_file; }; } ================================================ FILE: vendor/pepp/misc/NonCopyable.hpp ================================================ #pragma once namespace pepp::msc { class NonCopyable { public: NonCopyable() = default; NonCopyable(const NonCopyable&) = delete; NonCopyable& operator=(const NonCopyable&) = delete; }; } ================================================ FILE: vendor/spdlog/include/spdlog/async.h ================================================ // Copyright(c) 2015-present, Gabi Melman & spdlog contributors. // Distributed under the MIT License (http://opensource.org/licenses/MIT) #pragma once // // Async logging using global thread pool // All loggers created here share same global thread pool. // Each log message is pushed to a queue along with a shared pointer to the // logger. // If a logger deleted while having pending messages in the queue, it's actual // destruction will defer // until all its messages are processed by the thread pool. // This is because each message in the queue holds a shared_ptr to the // originating logger. #include #include #include #include #include #include namespace spdlog { namespace details { static const size_t default_async_q_size = 8192; } // async logger factory - creates async loggers backed with thread pool. // if a global thread pool doesn't already exist, create it with default queue // size of 8192 items and single thread. template struct async_factory_impl { template static std::shared_ptr create(std::string logger_name, SinkArgs &&...args) { auto ®istry_inst = details::registry::instance(); // create global thread pool if not already exists.. auto &mutex = registry_inst.tp_mutex(); std::lock_guard tp_lock(mutex); auto tp = registry_inst.get_tp(); if (tp == nullptr) { tp = std::make_shared(details::default_async_q_size, 1U); registry_inst.set_tp(tp); } auto sink = std::make_shared(std::forward(args)...); auto new_logger = std::make_shared(std::move(logger_name), std::move(sink), std::move(tp), OverflowPolicy); registry_inst.initialize_logger(new_logger); return new_logger; } }; using async_factory = async_factory_impl; using async_factory_nonblock = async_factory_impl; template inline std::shared_ptr create_async(std::string logger_name, SinkArgs &&...sink_args) { return async_factory::create(std::move(logger_name), std::forward(sink_args)...); } template inline std::shared_ptr create_async_nb(std::string logger_name, SinkArgs &&...sink_args) { return async_factory_nonblock::create(std::move(logger_name), std::forward(sink_args)...); } // set global thread pool. inline void init_thread_pool(size_t q_size, size_t thread_count, std::function on_thread_start) { auto tp = std::make_shared(q_size, thread_count, on_thread_start); details::registry::instance().set_tp(std::move(tp)); } // set global thread pool. inline void init_thread_pool(size_t q_size, size_t thread_count) { init_thread_pool(q_size, thread_count, [] {}); } // get the global thread pool. inline std::shared_ptr thread_pool() { return details::registry::instance().get_tp(); } } // namespace spdlog ================================================ FILE: vendor/spdlog/include/spdlog/async_logger-inl.h ================================================ // Copyright(c) 2015-present, Gabi Melman & spdlog contributors. // Distributed under the MIT License (http://opensource.org/licenses/MIT) #pragma once #ifndef SPDLOG_HEADER_ONLY #include #endif #include #include #include #include SPDLOG_INLINE spdlog::async_logger::async_logger( std::string logger_name, sinks_init_list sinks_list, std::weak_ptr tp, async_overflow_policy overflow_policy) : async_logger(std::move(logger_name), sinks_list.begin(), sinks_list.end(), std::move(tp), overflow_policy) {} SPDLOG_INLINE spdlog::async_logger::async_logger( std::string logger_name, sink_ptr single_sink, std::weak_ptr tp, async_overflow_policy overflow_policy) : async_logger(std::move(logger_name), {std::move(single_sink)}, std::move(tp), overflow_policy) {} // send the log message to the thread pool SPDLOG_INLINE void spdlog::async_logger::sink_it_(const details::log_msg &msg) { if (auto pool_ptr = thread_pool_.lock()) { pool_ptr->post_log(shared_from_this(), msg, overflow_policy_); } else { throw_spdlog_ex("async log: thread pool doesn't exist anymore"); } } // send flush request to the thread pool SPDLOG_INLINE void spdlog::async_logger::flush_() { if (auto pool_ptr = thread_pool_.lock()) { pool_ptr->post_flush(shared_from_this(), overflow_policy_); } else { throw_spdlog_ex("async flush: thread pool doesn't exist anymore"); } } // // backend functions - called from the thread pool to do the actual job // SPDLOG_INLINE void spdlog::async_logger::backend_sink_it_(const details::log_msg &msg) { for (auto &sink : sinks_) { if (sink->should_log(msg.level)) { SPDLOG_TRY { sink->log(msg); } SPDLOG_LOGGER_CATCH() } } if (should_flush_(msg)) { backend_flush_(); } } SPDLOG_INLINE void spdlog::async_logger::backend_flush_() { for (auto &sink : sinks_) { SPDLOG_TRY { sink->flush(); } SPDLOG_LOGGER_CATCH() } } SPDLOG_INLINE std::shared_ptr spdlog::async_logger::clone(std::string new_name) { auto cloned = std::make_shared(*this); cloned->name_ = std::move(new_name); return cloned; } ================================================ FILE: vendor/spdlog/include/spdlog/async_logger.h ================================================ // Copyright(c) 2015-present, Gabi Melman & spdlog contributors. // Distributed under the MIT License (http://opensource.org/licenses/MIT) #pragma once // Fast asynchronous logger. // Uses pre allocated queue. // Creates a single back thread to pop messages from the queue and log them. // // Upon each log write the logger: // 1. Checks if its log level is enough to log the message // 2. Push a new copy of the message to a queue (or block the caller until // space is available in the queue) // Upon destruction, logs all remaining messages in the queue before // destructing.. #include namespace spdlog { // Async overflow policy - block by default. enum class async_overflow_policy { block, // Block until message can be enqueued overrun_oldest // Discard oldest message in the queue if full when trying to // add new item. }; namespace details { class thread_pool; } class SPDLOG_API async_logger final : public std::enable_shared_from_this, public logger { friend class details::thread_pool; public: template async_logger(std::string logger_name, It begin, It end, std::weak_ptr tp, async_overflow_policy overflow_policy = async_overflow_policy::block) : logger(std::move(logger_name), begin, end) , thread_pool_(std::move(tp)) , overflow_policy_(overflow_policy) {} async_logger(std::string logger_name, sinks_init_list sinks_list, std::weak_ptr tp, async_overflow_policy overflow_policy = async_overflow_policy::block); async_logger(std::string logger_name, sink_ptr single_sink, std::weak_ptr tp, async_overflow_policy overflow_policy = async_overflow_policy::block); std::shared_ptr clone(std::string new_name) override; protected: void sink_it_(const details::log_msg &msg) override; void flush_() override; void backend_sink_it_(const details::log_msg &incoming_log_msg); void backend_flush_(); private: std::weak_ptr thread_pool_; async_overflow_policy overflow_policy_; }; } // namespace spdlog #ifdef SPDLOG_HEADER_ONLY #include "async_logger-inl.h" #endif ================================================ FILE: vendor/spdlog/include/spdlog/cfg/argv.h ================================================ // Copyright(c) 2015-present, Gabi Melman & spdlog contributors. // Distributed under the MIT License (http://opensource.org/licenses/MIT) #pragma once #include #include // // Init log levels using each argv entry that starts with "SPDLOG_LEVEL=" // // set all loggers to debug level: // example.exe "SPDLOG_LEVEL=debug" // set logger1 to trace level // example.exe "SPDLOG_LEVEL=logger1=trace" // turn off all logging except for logger1 and logger2: // example.exe "SPDLOG_LEVEL=off,logger1=debug,logger2=info" namespace spdlog { namespace cfg { // search for SPDLOG_LEVEL= in the args and use it to init the levels inline void load_argv_levels(int argc, const char **argv) { const std::string spdlog_level_prefix = "SPDLOG_LEVEL="; for (int i = 1; i < argc; i++) { std::string arg = argv[i]; if (arg.find(spdlog_level_prefix) == 0) { auto levels_string = arg.substr(spdlog_level_prefix.size()); helpers::load_levels(levels_string); } } } inline void load_argv_levels(int argc, char **argv) { load_argv_levels(argc, const_cast(argv)); } } // namespace cfg } // namespace spdlog ================================================ FILE: vendor/spdlog/include/spdlog/cfg/env.h ================================================ // Copyright(c) 2015-present, Gabi Melman & spdlog contributors. // Distributed under the MIT License (http://opensource.org/licenses/MIT) #pragma once #include #include #include // // Init levels and patterns from env variables SPDLOG_LEVEL // Inspired from Rust's "env_logger" crate (https://crates.io/crates/env_logger). // Note - fallback to "info" level on unrecognized levels // // Examples: // // set global level to debug: // export SPDLOG_LEVEL=debug // // turn off all logging except for logger1: // export SPDLOG_LEVEL="*=off,logger1=debug" // // turn off all logging except for logger1 and logger2: // export SPDLOG_LEVEL="off,logger1=debug,logger2=info" namespace spdlog { namespace cfg { inline void load_env_levels() { auto env_val = details::os::getenv("SPDLOG_LEVEL"); if (!env_val.empty()) { helpers::load_levels(env_val); } } } // namespace cfg } // namespace spdlog ================================================ FILE: vendor/spdlog/include/spdlog/cfg/helpers-inl.h ================================================ // Copyright(c) 2015-present, Gabi Melman & spdlog contributors. // Distributed under the MIT License (http://opensource.org/licenses/MIT) #pragma once #ifndef SPDLOG_HEADER_ONLY #include #endif #include #include #include #include #include #include #include namespace spdlog { namespace cfg { namespace helpers { // inplace convert to lowercase inline std::string &to_lower_(std::string &str) { std::transform( str.begin(), str.end(), str.begin(), [](char ch) { return static_cast((ch >= 'A' && ch <= 'Z') ? ch + ('a' - 'A') : ch); }); return str; } // inplace trim spaces inline std::string &trim_(std::string &str) { const char *spaces = " \n\r\t"; str.erase(str.find_last_not_of(spaces) + 1); str.erase(0, str.find_first_not_of(spaces)); return str; } // return (name,value) trimmed pair from given "name=value" string. // return empty string on missing parts // "key=val" => ("key", "val") // " key = val " => ("key", "val") // "key=" => ("key", "") // "val" => ("", "val") inline std::pair extract_kv_(char sep, const std::string &str) { auto n = str.find(sep); std::string k, v; if (n == std::string::npos) { v = str; } else { k = str.substr(0, n); v = str.substr(n + 1); } return std::make_pair(trim_(k), trim_(v)); } // return vector of key/value pairs from sequence of "K1=V1,K2=V2,.." // "a=AAA,b=BBB,c=CCC,.." => {("a","AAA"),("b","BBB"),("c", "CCC"),...} inline std::unordered_map extract_key_vals_(const std::string &str) { std::string token; std::istringstream token_stream(str); std::unordered_map rv{}; while (std::getline(token_stream, token, ',')) { if (token.empty()) { continue; } auto kv = extract_kv_('=', token); rv[kv.first] = kv.second; } return rv; } SPDLOG_INLINE void load_levels(const std::string &input) { if (input.empty() || input.size() > 512) { return; } auto key_vals = extract_key_vals_(input); std::unordered_map levels; level::level_enum global_level = level::info; bool global_level_found = false; for (auto &name_level : key_vals) { auto &logger_name = name_level.first; auto level_name = to_lower_(name_level.second); auto level = level::from_str(level_name); // ignore unrecognized level names if (level == level::off && level_name != "off") { continue; } if (logger_name.empty()) // no logger name indicate global level { global_level_found = true; global_level = level; } else { levels[logger_name] = level; } } details::registry::instance().set_levels(std::move(levels), global_level_found ? &global_level : nullptr); } } // namespace helpers } // namespace cfg } // namespace spdlog ================================================ FILE: vendor/spdlog/include/spdlog/cfg/helpers.h ================================================ // Copyright(c) 2015-present, Gabi Melman & spdlog contributors. // Distributed under the MIT License (http://opensource.org/licenses/MIT) #pragma once #include #include namespace spdlog { namespace cfg { namespace helpers { // // Init levels from given string // // Examples: // // set global level to debug: "debug" // turn off all logging except for logger1: "off,logger1=debug" // turn off all logging except for logger1 and logger2: "off,logger1=debug,logger2=info" // SPDLOG_API void load_levels(const std::string &txt); } // namespace helpers } // namespace cfg } // namespace spdlog #ifdef SPDLOG_HEADER_ONLY #include "helpers-inl.h" #endif // SPDLOG_HEADER_ONLY ================================================ FILE: vendor/spdlog/include/spdlog/common-inl.h ================================================ // Copyright(c) 2015-present, Gabi Melman & spdlog contributors. // Distributed under the MIT License (http://opensource.org/licenses/MIT) #pragma once #ifndef SPDLOG_HEADER_ONLY #include #endif #include #include namespace spdlog { namespace level { #if __cplusplus >= 201703L constexpr #endif static string_view_t level_string_views[] SPDLOG_LEVEL_NAMES; static const char *short_level_names[] SPDLOG_SHORT_LEVEL_NAMES; SPDLOG_INLINE const string_view_t &to_string_view(spdlog::level::level_enum l) SPDLOG_NOEXCEPT { return level_string_views[l]; } SPDLOG_INLINE const char *to_short_c_str(spdlog::level::level_enum l) SPDLOG_NOEXCEPT { return short_level_names[l]; } SPDLOG_INLINE spdlog::level::level_enum from_str(const std::string &name) SPDLOG_NOEXCEPT { auto it = std::find(std::begin(level_string_views), std::end(level_string_views), name); if (it != std::end(level_string_views)) return static_cast(std::distance(std::begin(level_string_views), it)); // check also for "warn" and "err" before giving up.. if (name == "warn") { return level::warn; } if (name == "err") { return level::err; } return level::off; } } // namespace level SPDLOG_INLINE spdlog_ex::spdlog_ex(std::string msg) : msg_(std::move(msg)) {} SPDLOG_INLINE spdlog_ex::spdlog_ex(const std::string &msg, int last_errno) { memory_buf_t outbuf; fmt::format_system_error(outbuf, last_errno, msg.c_str()); msg_ = fmt::to_string(outbuf); } SPDLOG_INLINE const char *spdlog_ex::what() const SPDLOG_NOEXCEPT { return msg_.c_str(); } SPDLOG_INLINE void throw_spdlog_ex(const std::string &msg, int last_errno) { SPDLOG_THROW(spdlog_ex(msg, last_errno)); } SPDLOG_INLINE void throw_spdlog_ex(std::string msg) { SPDLOG_THROW(spdlog_ex(std::move(msg))); } } // namespace spdlog ================================================ FILE: vendor/spdlog/include/spdlog/common.h ================================================ // Copyright(c) 2015-present, Gabi Melman & spdlog contributors. // Distributed under the MIT License (http://opensource.org/licenses/MIT) #pragma once #include #include #include #include #include #include #include #include #include #include #ifdef SPDLOG_COMPILED_LIB # undef SPDLOG_HEADER_ONLY # if defined(_WIN32) && defined(SPDLOG_SHARED_LIB) # ifdef spdlog_EXPORTS # define SPDLOG_API __declspec(dllexport) # else # define SPDLOG_API __declspec(dllimport) # endif # else // !defined(_WIN32) || !defined(SPDLOG_SHARED_LIB) # define SPDLOG_API # endif # define SPDLOG_INLINE #else // !defined(SPDLOG_COMPILED_LIB) # define SPDLOG_API # define SPDLOG_HEADER_ONLY # define SPDLOG_INLINE inline #endif // #ifdef SPDLOG_COMPILED_LIB #include #if defined(SPDLOG_WCHAR_FILENAMES) || defined(SPDLOG_WCHAR_TO_UTF8_SUPPORT) # include #endif // visual studio upto 2013 does not support noexcept nor constexpr #if defined(_MSC_VER) && (_MSC_VER < 1900) # define SPDLOG_NOEXCEPT _NOEXCEPT # define SPDLOG_CONSTEXPR #else # define SPDLOG_NOEXCEPT noexcept # define SPDLOG_CONSTEXPR constexpr #endif #if defined(__GNUC__) || defined(__clang__) # define SPDLOG_DEPRECATED __attribute__((deprecated)) #elif defined(_MSC_VER) # define SPDLOG_DEPRECATED __declspec(deprecated) #else # define SPDLOG_DEPRECATED #endif // disable thread local on msvc 2013 #ifndef SPDLOG_NO_TLS # if (defined(_MSC_VER) && (_MSC_VER < 1900)) || defined(__cplusplus_winrt) # define SPDLOG_NO_TLS 1 # endif #endif #ifndef SPDLOG_FUNCTION # define SPDLOG_FUNCTION static_cast(__FUNCTION__) #endif #ifdef SPDLOG_NO_EXCEPTIONS # define SPDLOG_TRY # define SPDLOG_THROW(ex) \ do \ { \ printf("spdlog fatal error: %s\n", ex.what()); \ std::abort(); \ } while (0) # define SPDLOG_CATCH_STD #else # define SPDLOG_TRY try # define SPDLOG_THROW(ex) throw(ex) # define SPDLOG_CATCH_STD \ catch (const std::exception &) {} #endif namespace spdlog { class formatter; namespace sinks { class sink; } #if defined(_WIN32) && defined(SPDLOG_WCHAR_FILENAMES) using filename_t = std::wstring; // allow macro expansion to occur in SPDLOG_FILENAME_T # define SPDLOG_FILENAME_T_INNER(s) L##s # define SPDLOG_FILENAME_T(s) SPDLOG_FILENAME_T_INNER(s) #else using filename_t = std::string; # define SPDLOG_FILENAME_T(s) s #endif using log_clock = std::chrono::system_clock; using sink_ptr = std::shared_ptr; using sinks_init_list = std::initializer_list; using err_handler = std::function; using string_view_t = fmt::basic_string_view; using wstring_view_t = fmt::basic_string_view; using memory_buf_t = fmt::basic_memory_buffer; using wmemory_buf_t = fmt::basic_memory_buffer; #ifdef SPDLOG_WCHAR_TO_UTF8_SUPPORT # ifndef _WIN32 # error SPDLOG_WCHAR_TO_UTF8_SUPPORT only supported on windows # else template struct is_convertible_to_wstring_view : std::is_convertible {}; # endif // _WIN32 #else template struct is_convertible_to_wstring_view : std::false_type {}; #endif // SPDLOG_WCHAR_TO_UTF8_SUPPORT #if defined(SPDLOG_NO_ATOMIC_LEVELS) using level_t = details::null_atomic_int; #else using level_t = std::atomic; #endif #define SPDLOG_LEVEL_TRACE 0 #define SPDLOG_LEVEL_DEBUG 1 #define SPDLOG_LEVEL_INFO 2 #define SPDLOG_LEVEL_WARN 3 #define SPDLOG_LEVEL_ERROR 4 #define SPDLOG_LEVEL_CRITICAL 5 #define SPDLOG_LEVEL_OFF 6 #if !defined(SPDLOG_ACTIVE_LEVEL) # define SPDLOG_ACTIVE_LEVEL SPDLOG_LEVEL_INFO #endif // Log level enum namespace level { enum level_enum { trace = SPDLOG_LEVEL_TRACE, debug = SPDLOG_LEVEL_DEBUG, info = SPDLOG_LEVEL_INFO, warn = SPDLOG_LEVEL_WARN, err = SPDLOG_LEVEL_ERROR, critical = SPDLOG_LEVEL_CRITICAL, off = SPDLOG_LEVEL_OFF, n_levels }; #define SPDLOG_LEVEL_NAME_TRACE string_view_t("trace", 5) #define SPDLOG_LEVEL_NAME_DEBUG string_view_t("debug", 5) #define SPDLOG_LEVEL_NAME_INFO string_view_t("info", 4) #define SPDLOG_LEVEL_NAME_WARNING string_view_t("warning", 7) #define SPDLOG_LEVEL_NAME_ERROR string_view_t("error", 5) #define SPDLOG_LEVEL_NAME_CRITICAL string_view_t("critical", 8) #define SPDLOG_LEVEL_NAME_OFF string_view_t("off", 3) #if !defined(SPDLOG_LEVEL_NAMES) # define SPDLOG_LEVEL_NAMES \ { \ SPDLOG_LEVEL_NAME_TRACE, SPDLOG_LEVEL_NAME_DEBUG, SPDLOG_LEVEL_NAME_INFO, SPDLOG_LEVEL_NAME_WARNING, SPDLOG_LEVEL_NAME_ERROR, \ SPDLOG_LEVEL_NAME_CRITICAL, SPDLOG_LEVEL_NAME_OFF \ } #endif #if !defined(SPDLOG_SHORT_LEVEL_NAMES) # define SPDLOG_SHORT_LEVEL_NAMES \ { \ "T", "D", "I", "W", "E", "C", "O" \ } #endif SPDLOG_API const string_view_t &to_string_view(spdlog::level::level_enum l) SPDLOG_NOEXCEPT; SPDLOG_API const char *to_short_c_str(spdlog::level::level_enum l) SPDLOG_NOEXCEPT; SPDLOG_API spdlog::level::level_enum from_str(const std::string &name) SPDLOG_NOEXCEPT; } // namespace level // // Color mode used by sinks with color support. // enum class color_mode { always, automatic, never }; // // Pattern time - specific time getting to use for pattern_formatter. // local time by default // enum class pattern_time_type { local, // log localtime utc // log utc }; // // Log exception // class SPDLOG_API spdlog_ex : public std::exception { public: explicit spdlog_ex(std::string msg); spdlog_ex(const std::string &msg, int last_errno); const char *what() const SPDLOG_NOEXCEPT override; private: std::string msg_; }; [[noreturn]] SPDLOG_API void throw_spdlog_ex(const std::string &msg, int last_errno); [[noreturn]] SPDLOG_API void throw_spdlog_ex(std::string msg); struct source_loc { SPDLOG_CONSTEXPR source_loc() = default; SPDLOG_CONSTEXPR source_loc(const char *filename_in, int line_in, const char *funcname_in) : filename{filename_in} , line{line_in} , funcname{funcname_in} {} SPDLOG_CONSTEXPR bool empty() const SPDLOG_NOEXCEPT { return line == 0; } const char *filename{nullptr}; int line{0}; const char *funcname{nullptr}; }; namespace details { // make_unique support for pre c++14 #if __cplusplus >= 201402L // C++14 and beyond using std::make_unique; #else template std::unique_ptr make_unique(Args &&...args) { static_assert(!std::is_array::value, "arrays not supported"); return std::unique_ptr(new T(std::forward(args)...)); } #endif } // namespace details } // namespace spdlog #ifdef SPDLOG_HEADER_ONLY # include "common-inl.h" #endif ================================================ FILE: vendor/spdlog/include/spdlog/details/backtracer-inl.h ================================================ // Copyright(c) 2015-present, Gabi Melman & spdlog contributors. // Distributed under the MIT License (http://opensource.org/licenses/MIT) #pragma once #ifndef SPDLOG_HEADER_ONLY #include #endif namespace spdlog { namespace details { SPDLOG_INLINE backtracer::backtracer(const backtracer &other) { std::lock_guard lock(other.mutex_); enabled_ = other.enabled(); messages_ = other.messages_; } SPDLOG_INLINE backtracer::backtracer(backtracer &&other) SPDLOG_NOEXCEPT { std::lock_guard lock(other.mutex_); enabled_ = other.enabled(); messages_ = std::move(other.messages_); } SPDLOG_INLINE backtracer &backtracer::operator=(backtracer other) { std::lock_guard lock(mutex_); enabled_ = other.enabled(); messages_ = std::move(other.messages_); return *this; } SPDLOG_INLINE void backtracer::enable(size_t size) { std::lock_guard lock{mutex_}; enabled_.store(true, std::memory_order_relaxed); messages_ = circular_q{size}; } SPDLOG_INLINE void backtracer::disable() { std::lock_guard lock{mutex_}; enabled_.store(false, std::memory_order_relaxed); } SPDLOG_INLINE bool backtracer::enabled() const { return enabled_.load(std::memory_order_relaxed); } SPDLOG_INLINE void backtracer::push_back(const log_msg &msg) { std::lock_guard lock{mutex_}; messages_.push_back(log_msg_buffer{msg}); } // pop all items in the q and apply the given fun on each of them. SPDLOG_INLINE void backtracer::foreach_pop(std::function fun) { std::lock_guard lock{mutex_}; while (!messages_.empty()) { auto &front_msg = messages_.front(); fun(front_msg); messages_.pop_front(); } } } // namespace details } // namespace spdlog ================================================ FILE: vendor/spdlog/include/spdlog/details/backtracer.h ================================================ // Copyright(c) 2015-present, Gabi Melman & spdlog contributors. // Distributed under the MIT License (http://opensource.org/licenses/MIT) #pragma once #include #include #include #include #include // Store log messages in circular buffer. // Useful for storing debug data in case of error/warning happens. namespace spdlog { namespace details { class SPDLOG_API backtracer { mutable std::mutex mutex_; std::atomic enabled_{false}; circular_q messages_; public: backtracer() = default; backtracer(const backtracer &other); backtracer(backtracer &&other) SPDLOG_NOEXCEPT; backtracer &operator=(backtracer other); void enable(size_t size); void disable(); bool enabled() const; void push_back(const log_msg &msg); // pop all items in the q and apply the given fun on each of them. void foreach_pop(std::function fun); }; } // namespace details } // namespace spdlog #ifdef SPDLOG_HEADER_ONLY #include "backtracer-inl.h" #endif ================================================ FILE: vendor/spdlog/include/spdlog/details/circular_q.h ================================================ // Copyright(c) 2015-present, Gabi Melman & spdlog contributors. // Distributed under the MIT License (http://opensource.org/licenses/MIT) // circular q view of std::vector. #pragma once #include #include namespace spdlog { namespace details { template class circular_q { size_t max_items_ = 0; typename std::vector::size_type head_ = 0; typename std::vector::size_type tail_ = 0; size_t overrun_counter_ = 0; std::vector v_; public: using value_type = T; // empty ctor - create a disabled queue with no elements allocated at all circular_q() = default; explicit circular_q(size_t max_items) : max_items_(max_items + 1) // one item is reserved as marker for full q , v_(max_items_) {} circular_q(const circular_q &) = default; circular_q &operator=(const circular_q &) = default; // move cannot be default, // since we need to reset head_, tail_, etc to zero in the moved object circular_q(circular_q &&other) SPDLOG_NOEXCEPT { copy_moveable(std::move(other)); } circular_q &operator=(circular_q &&other) SPDLOG_NOEXCEPT { copy_moveable(std::move(other)); return *this; } // push back, overrun (oldest) item if no room left void push_back(T &&item) { if (max_items_ > 0) { v_[tail_] = std::move(item); tail_ = (tail_ + 1) % max_items_; if (tail_ == head_) // overrun last item if full { head_ = (head_ + 1) % max_items_; ++overrun_counter_; } } } // Return reference to the front item. // If there are no elements in the container, the behavior is undefined. const T &front() const { return v_[head_]; } T &front() { return v_[head_]; } // Return number of elements actually stored size_t size() const { if (tail_ >= head_) { return tail_ - head_; } else { return max_items_ - (head_ - tail_); } } // Return const reference to item by index. // If index is out of range 0…size()-1, the behavior is undefined. const T &at(size_t i) const { assert(i < size()); return v_[(head_ + i) % max_items_]; } // Pop item from front. // If there are no elements in the container, the behavior is undefined. void pop_front() { head_ = (head_ + 1) % max_items_; } bool empty() const { return tail_ == head_; } bool full() const { // head is ahead of the tail by 1 if (max_items_ > 0) { return ((tail_ + 1) % max_items_) == head_; } return false; } size_t overrun_counter() const { return overrun_counter_; } private: // copy from other&& and reset it to disabled state void copy_moveable(circular_q &&other) SPDLOG_NOEXCEPT { max_items_ = other.max_items_; head_ = other.head_; tail_ = other.tail_; overrun_counter_ = other.overrun_counter_; v_ = std::move(other.v_); // put &&other in disabled, but valid state other.max_items_ = 0; other.head_ = other.tail_ = 0; other.overrun_counter_ = 0; } }; } // namespace details } // namespace spdlog ================================================ FILE: vendor/spdlog/include/spdlog/details/console_globals.h ================================================ // Copyright(c) 2015-present, Gabi Melman & spdlog contributors. // Distributed under the MIT License (http://opensource.org/licenses/MIT) #pragma once #include #include namespace spdlog { namespace details { struct console_mutex { using mutex_t = std::mutex; static mutex_t &mutex() { static mutex_t s_mutex; return s_mutex; } }; struct console_nullmutex { using mutex_t = null_mutex; static mutex_t &mutex() { static mutex_t s_mutex; return s_mutex; } }; } // namespace details } // namespace spdlog ================================================ FILE: vendor/spdlog/include/spdlog/details/file_helper-inl.h ================================================ // Copyright(c) 2015-present, Gabi Melman & spdlog contributors. // Distributed under the MIT License (http://opensource.org/licenses/MIT) #pragma once #ifndef SPDLOG_HEADER_ONLY #include #endif #include #include #include #include #include #include #include #include namespace spdlog { namespace details { SPDLOG_INLINE file_helper::~file_helper() { close(); } SPDLOG_INLINE void file_helper::open(const filename_t &fname, bool truncate) { close(); filename_ = fname; auto *mode = SPDLOG_FILENAME_T("ab"); auto *trunc_mode = SPDLOG_FILENAME_T("wb"); for (int tries = 0; tries < open_tries_; ++tries) { // create containing folder if not exists already. os::create_dir(os::dir_name(fname)); if (truncate) { // Truncate by opening-and-closing a tmp file in "wb" mode, always // opening the actual log-we-write-to in "ab" mode, since that // interacts more politely with eternal processes that might // rotate/truncate the file underneath us. std::FILE *tmp; if (os::fopen_s(&tmp, fname, trunc_mode)) { continue; } std::fclose(tmp); } if (!os::fopen_s(&fd_, fname, mode)) { return; } details::os::sleep_for_millis(open_interval_); } throw_spdlog_ex("Failed opening file " + os::filename_to_str(filename_) + " for writing", errno); } SPDLOG_INLINE void file_helper::reopen(bool truncate) { if (filename_.empty()) { throw_spdlog_ex("Failed re opening file - was not opened before"); } this->open(filename_, truncate); } SPDLOG_INLINE void file_helper::flush() { std::fflush(fd_); } SPDLOG_INLINE void file_helper::close() { if (fd_ != nullptr) { std::fclose(fd_); fd_ = nullptr; } } SPDLOG_INLINE void file_helper::write(const memory_buf_t &buf) { size_t msg_size = buf.size(); auto data = buf.data(); if (std::fwrite(data, 1, msg_size, fd_) != msg_size) { throw_spdlog_ex("Failed writing to file " + os::filename_to_str(filename_), errno); } } SPDLOG_INLINE size_t file_helper::size() const { if (fd_ == nullptr) { throw_spdlog_ex("Cannot use size() on closed file " + os::filename_to_str(filename_)); } return os::filesize(fd_); } SPDLOG_INLINE const filename_t &file_helper::filename() const { return filename_; } // // return file path and its extension: // // "mylog.txt" => ("mylog", ".txt") // "mylog" => ("mylog", "") // "mylog." => ("mylog.", "") // "/dir1/dir2/mylog.txt" => ("/dir1/dir2/mylog", ".txt") // // the starting dot in filenames is ignored (hidden files): // // ".mylog" => (".mylog". "") // "my_folder/.mylog" => ("my_folder/.mylog", "") // "my_folder/.mylog.txt" => ("my_folder/.mylog", ".txt") SPDLOG_INLINE std::tuple file_helper::split_by_extension(const filename_t &fname) { auto ext_index = fname.rfind('.'); // no valid extension found - return whole path and empty string as // extension if (ext_index == filename_t::npos || ext_index == 0 || ext_index == fname.size() - 1) { return std::make_tuple(fname, filename_t()); } // treat cases like "/etc/rc.d/somelogfile or "/abc/.hiddenfile" auto folder_index = fname.find_last_of(details::os::folder_seps_filename); if (folder_index != filename_t::npos && folder_index >= ext_index - 1) { return std::make_tuple(fname, filename_t()); } // finally - return a valid base and extension tuple return std::make_tuple(fname.substr(0, ext_index), fname.substr(ext_index)); } } // namespace details } // namespace spdlog ================================================ FILE: vendor/spdlog/include/spdlog/details/file_helper.h ================================================ // Copyright(c) 2015-present, Gabi Melman & spdlog contributors. // Distributed under the MIT License (http://opensource.org/licenses/MIT) #pragma once #include #include namespace spdlog { namespace details { // Helper class for file sinks. // When failing to open a file, retry several times(5) with a delay interval(10 ms). // Throw spdlog_ex exception on errors. class SPDLOG_API file_helper { public: explicit file_helper() = default; file_helper(const file_helper &) = delete; file_helper &operator=(const file_helper &) = delete; ~file_helper(); void open(const filename_t &fname, bool truncate = false); void reopen(bool truncate); void flush(); void close(); void write(const memory_buf_t &buf); size_t size() const; const filename_t &filename() const; // // return file path and its extension: // // "mylog.txt" => ("mylog", ".txt") // "mylog" => ("mylog", "") // "mylog." => ("mylog.", "") // "/dir1/dir2/mylog.txt" => ("/dir1/dir2/mylog", ".txt") // // the starting dot in filenames is ignored (hidden files): // // ".mylog" => (".mylog". "") // "my_folder/.mylog" => ("my_folder/.mylog", "") // "my_folder/.mylog.txt" => ("my_folder/.mylog", ".txt") static std::tuple split_by_extension(const filename_t &fname); private: const int open_tries_ = 5; const unsigned int open_interval_ = 10; std::FILE *fd_{nullptr}; filename_t filename_; }; } // namespace details } // namespace spdlog #ifdef SPDLOG_HEADER_ONLY #include "file_helper-inl.h" #endif ================================================ FILE: vendor/spdlog/include/spdlog/details/fmt_helper.h ================================================ // Copyright(c) 2015-present, Gabi Melman & spdlog contributors. // Distributed under the MIT License (http://opensource.org/licenses/MIT) #pragma once #include #include #include #include #include // Some fmt helpers to efficiently format and pad ints and strings namespace spdlog { namespace details { namespace fmt_helper { inline spdlog::string_view_t to_string_view(const memory_buf_t &buf) SPDLOG_NOEXCEPT { return spdlog::string_view_t{buf.data(), buf.size()}; } inline void append_string_view(spdlog::string_view_t view, memory_buf_t &dest) { auto *buf_ptr = view.data(); dest.append(buf_ptr, buf_ptr + view.size()); } template inline void append_int(T n, memory_buf_t &dest) { fmt::format_int i(n); dest.append(i.data(), i.data() + i.size()); } template inline unsigned int count_digits(T n) { using count_type = typename std::conditional<(sizeof(T) > sizeof(uint32_t)), uint64_t, uint32_t>::type; return static_cast(fmt:: // fmt 7.0.0 renamed the internal namespace to detail. // See: https://github.com/fmtlib/fmt/issues/1538 #if FMT_VERSION < 70000 internal #else detail #endif ::count_digits(static_cast(n))); } inline void pad2(int n, memory_buf_t &dest) { if (n >= 0 && n < 100) // 0-99 { dest.push_back(static_cast('0' + n / 10)); dest.push_back(static_cast('0' + n % 10)); } else // unlikely, but just in case, let fmt deal with it { fmt::format_to(std::back_inserter(dest), "{:02}", n); } } template inline void pad_uint(T n, unsigned int width, memory_buf_t &dest) { static_assert(std::is_unsigned::value, "pad_uint must get unsigned T"); for (auto digits = count_digits(n); digits < width; digits++) { dest.push_back('0'); } append_int(n, dest); } template inline void pad3(T n, memory_buf_t &dest) { static_assert(std::is_unsigned::value, "pad3 must get unsigned T"); if (n < 1000) { dest.push_back(static_cast(n / 100 + '0')); n = n % 100; dest.push_back(static_cast((n / 10) + '0')); dest.push_back(static_cast((n % 10) + '0')); } else { append_int(n, dest); } } template inline void pad6(T n, memory_buf_t &dest) { pad_uint(n, 6, dest); } template inline void pad9(T n, memory_buf_t &dest) { pad_uint(n, 9, dest); } // return fraction of a second of the given time_point. // e.g. // fraction(tp) -> will return the millis part of the second template inline ToDuration time_fraction(log_clock::time_point tp) { using std::chrono::duration_cast; using std::chrono::seconds; auto duration = tp.time_since_epoch(); auto secs = duration_cast(duration); return duration_cast(duration) - duration_cast(secs); } } // namespace fmt_helper } // namespace details } // namespace spdlog ================================================ FILE: vendor/spdlog/include/spdlog/details/log_msg-inl.h ================================================ // Copyright(c) 2015-present, Gabi Melman & spdlog contributors. // Distributed under the MIT License (http://opensource.org/licenses/MIT) #pragma once #ifndef SPDLOG_HEADER_ONLY #include #endif #include namespace spdlog { namespace details { SPDLOG_INLINE log_msg::log_msg(spdlog::log_clock::time_point log_time, spdlog::source_loc loc, string_view_t a_logger_name, spdlog::level::level_enum lvl, spdlog::string_view_t msg) : logger_name(a_logger_name) , level(lvl) , time(log_time) #ifndef SPDLOG_NO_THREAD_ID , thread_id(os::thread_id()) #endif , source(loc) , payload(msg) {} SPDLOG_INLINE log_msg::log_msg( spdlog::source_loc loc, string_view_t a_logger_name, spdlog::level::level_enum lvl, spdlog::string_view_t msg) : log_msg(os::now(), loc, a_logger_name, lvl, msg) {} SPDLOG_INLINE log_msg::log_msg(string_view_t a_logger_name, spdlog::level::level_enum lvl, spdlog::string_view_t msg) : log_msg(os::now(), source_loc{}, a_logger_name, lvl, msg) {} } // namespace details } // namespace spdlog ================================================ FILE: vendor/spdlog/include/spdlog/details/log_msg.h ================================================ // Copyright(c) 2015-present, Gabi Melman & spdlog contributors. // Distributed under the MIT License (http://opensource.org/licenses/MIT) #pragma once #include #include namespace spdlog { namespace details { struct SPDLOG_API log_msg { log_msg() = default; log_msg(log_clock::time_point log_time, source_loc loc, string_view_t logger_name, level::level_enum lvl, string_view_t msg); log_msg(source_loc loc, string_view_t logger_name, level::level_enum lvl, string_view_t msg); log_msg(string_view_t logger_name, level::level_enum lvl, string_view_t msg); log_msg(const log_msg &other) = default; log_msg &operator=(const log_msg &other) = default; string_view_t logger_name; level::level_enum level{level::off}; log_clock::time_point time; size_t thread_id{0}; // wrapping the formatted text with color (updated by pattern_formatter). mutable size_t color_range_start{0}; mutable size_t color_range_end{0}; source_loc source; string_view_t payload; }; } // namespace details } // namespace spdlog #ifdef SPDLOG_HEADER_ONLY #include "log_msg-inl.h" #endif ================================================ FILE: vendor/spdlog/include/spdlog/details/log_msg_buffer-inl.h ================================================ // Copyright(c) 2015-present, Gabi Melman & spdlog contributors. // Distributed under the MIT License (http://opensource.org/licenses/MIT) #pragma once #ifndef SPDLOG_HEADER_ONLY #include #endif namespace spdlog { namespace details { SPDLOG_INLINE log_msg_buffer::log_msg_buffer(const log_msg &orig_msg) : log_msg{orig_msg} { buffer.append(logger_name.begin(), logger_name.end()); buffer.append(payload.begin(), payload.end()); update_string_views(); } SPDLOG_INLINE log_msg_buffer::log_msg_buffer(const log_msg_buffer &other) : log_msg{other} { buffer.append(logger_name.begin(), logger_name.end()); buffer.append(payload.begin(), payload.end()); update_string_views(); } SPDLOG_INLINE log_msg_buffer::log_msg_buffer(log_msg_buffer &&other) SPDLOG_NOEXCEPT : log_msg{other} , buffer{std::move(other.buffer)} { update_string_views(); } SPDLOG_INLINE log_msg_buffer &log_msg_buffer::operator=(const log_msg_buffer &other) { log_msg::operator=(other); buffer.clear(); buffer.append(other.buffer.data(), other.buffer.data() + other.buffer.size()); update_string_views(); return *this; } SPDLOG_INLINE log_msg_buffer &log_msg_buffer::operator=(log_msg_buffer &&other) SPDLOG_NOEXCEPT { log_msg::operator=(other); buffer = std::move(other.buffer); update_string_views(); return *this; } SPDLOG_INLINE void log_msg_buffer::update_string_views() { logger_name = string_view_t{buffer.data(), logger_name.size()}; payload = string_view_t{buffer.data() + logger_name.size(), payload.size()}; } } // namespace details } // namespace spdlog ================================================ FILE: vendor/spdlog/include/spdlog/details/log_msg_buffer.h ================================================ // Copyright(c) 2015-present, Gabi Melman & spdlog contributors. // Distributed under the MIT License (http://opensource.org/licenses/MIT) #pragma once #include namespace spdlog { namespace details { // Extend log_msg with internal buffer to store its payload. // This is needed since log_msg holds string_views that points to stack data. class SPDLOG_API log_msg_buffer : public log_msg { memory_buf_t buffer; void update_string_views(); public: log_msg_buffer() = default; explicit log_msg_buffer(const log_msg &orig_msg); log_msg_buffer(const log_msg_buffer &other); log_msg_buffer(log_msg_buffer &&other) SPDLOG_NOEXCEPT; log_msg_buffer &operator=(const log_msg_buffer &other); log_msg_buffer &operator=(log_msg_buffer &&other) SPDLOG_NOEXCEPT; }; } // namespace details } // namespace spdlog #ifdef SPDLOG_HEADER_ONLY #include "log_msg_buffer-inl.h" #endif ================================================ FILE: vendor/spdlog/include/spdlog/details/mpmc_blocking_q.h ================================================ // Copyright(c) 2015-present, Gabi Melman & spdlog contributors. // Distributed under the MIT License (http://opensource.org/licenses/MIT) #pragma once // multi producer-multi consumer blocking queue. // enqueue(..) - will block until room found to put the new message. // enqueue_nowait(..) - will return immediately with false if no room left in // the queue. // dequeue_for(..) - will block until the queue is not empty or timeout have // passed. #include #include #include namespace spdlog { namespace details { template class mpmc_blocking_queue { public: using item_type = T; explicit mpmc_blocking_queue(size_t max_items) : q_(max_items) {} #ifndef __MINGW32__ // try to enqueue and block if no room left void enqueue(T &&item) { { std::unique_lock lock(queue_mutex_); pop_cv_.wait(lock, [this] { return !this->q_.full(); }); q_.push_back(std::move(item)); } push_cv_.notify_one(); } // enqueue immediately. overrun oldest message in the queue if no room left. void enqueue_nowait(T &&item) { { std::unique_lock lock(queue_mutex_); q_.push_back(std::move(item)); } push_cv_.notify_one(); } // try to dequeue item. if no item found. wait upto timeout and try again // Return true, if succeeded dequeue item, false otherwise bool dequeue_for(T &popped_item, std::chrono::milliseconds wait_duration) { { std::unique_lock lock(queue_mutex_); if (!push_cv_.wait_for(lock, wait_duration, [this] { return !this->q_.empty(); })) { return false; } popped_item = std::move(q_.front()); q_.pop_front(); } pop_cv_.notify_one(); return true; } #else // apparently mingw deadlocks if the mutex is released before cv.notify_one(), // so release the mutex at the very end each function. // try to enqueue and block if no room left void enqueue(T &&item) { std::unique_lock lock(queue_mutex_); pop_cv_.wait(lock, [this] { return !this->q_.full(); }); q_.push_back(std::move(item)); push_cv_.notify_one(); } // enqueue immediately. overrun oldest message in the queue if no room left. void enqueue_nowait(T &&item) { std::unique_lock lock(queue_mutex_); q_.push_back(std::move(item)); push_cv_.notify_one(); } // try to dequeue item. if no item found. wait upto timeout and try again // Return true, if succeeded dequeue item, false otherwise bool dequeue_for(T &popped_item, std::chrono::milliseconds wait_duration) { std::unique_lock lock(queue_mutex_); if (!push_cv_.wait_for(lock, wait_duration, [this] { return !this->q_.empty(); })) { return false; } popped_item = std::move(q_.front()); q_.pop_front(); pop_cv_.notify_one(); return true; } #endif size_t overrun_counter() { std::unique_lock lock(queue_mutex_); return q_.overrun_counter(); } size_t size() { std::unique_lock lock(queue_mutex_); return q_.size(); } private: std::mutex queue_mutex_; std::condition_variable push_cv_; std::condition_variable pop_cv_; spdlog::details::circular_q q_; }; } // namespace details } // namespace spdlog ================================================ FILE: vendor/spdlog/include/spdlog/details/null_mutex.h ================================================ // Copyright(c) 2015-present, Gabi Melman & spdlog contributors. // Distributed under the MIT License (http://opensource.org/licenses/MIT) #pragma once #include #include // null, no cost dummy "mutex" and dummy "atomic" int namespace spdlog { namespace details { struct null_mutex { void lock() const {} void unlock() const {} bool try_lock() const { return true; } }; struct null_atomic_int { int value; null_atomic_int() = default; explicit null_atomic_int(int new_value) : value(new_value) {} int load(std::memory_order = std::memory_order_relaxed) const { return value; } void store(int new_value, std::memory_order = std::memory_order_relaxed) { value = new_value; } int exchange(int new_value, std::memory_order = std::memory_order_relaxed) { std::swap(new_value, value); return new_value; // return value before the call } }; } // namespace details } // namespace spdlog ================================================ FILE: vendor/spdlog/include/spdlog/details/os-inl.h ================================================ // Copyright(c) 2015-present, Gabi Melman & spdlog contributors. // Distributed under the MIT License (http://opensource.org/licenses/MIT) #pragma once #ifndef SPDLOG_HEADER_ONLY #include #endif #include #include #include #include #include #include #include #include #include #include #include #include #ifdef _WIN32 #include // _get_osfhandle and _isatty support #include // _get_pid support #include #ifdef __MINGW32__ #include #endif #if defined(SPDLOG_WCHAR_TO_UTF8_SUPPORT) || defined(SPDLOG_WCHAR_FILENAMES) #include #endif #include // for _mkdir/_wmkdir #else // unix #include #include #ifdef __linux__ #include //Use gettid() syscall under linux to get thread id #elif defined(_AIX) #include // for pthread_getthreadid_np #elif defined(__DragonFly__) || defined(__FreeBSD__) #include // for pthread_getthreadid_np #elif defined(__NetBSD__) #include // for _lwp_self #elif defined(__sun) #include // for thr_self #endif #endif // unix #ifndef __has_feature // Clang - feature checking macros. #define __has_feature(x) 0 // Compatibility with non-clang compilers. #endif namespace spdlog { namespace details { namespace os { SPDLOG_INLINE spdlog::log_clock::time_point now() SPDLOG_NOEXCEPT { #if defined __linux__ && defined SPDLOG_CLOCK_COARSE timespec ts; ::clock_gettime(CLOCK_REALTIME_COARSE, &ts); return std::chrono::time_point( std::chrono::duration_cast(std::chrono::seconds(ts.tv_sec) + std::chrono::nanoseconds(ts.tv_nsec))); #else return log_clock::now(); #endif } SPDLOG_INLINE std::tm localtime(const std::time_t &time_tt) SPDLOG_NOEXCEPT { #ifdef _WIN32 std::tm tm; ::localtime_s(&tm, &time_tt); #else std::tm tm; ::localtime_r(&time_tt, &tm); #endif return tm; } SPDLOG_INLINE std::tm localtime() SPDLOG_NOEXCEPT { std::time_t now_t = ::time(nullptr); return localtime(now_t); } SPDLOG_INLINE std::tm gmtime(const std::time_t &time_tt) SPDLOG_NOEXCEPT { #ifdef _WIN32 std::tm tm; ::gmtime_s(&tm, &time_tt); #else std::tm tm; ::gmtime_r(&time_tt, &tm); #endif return tm; } SPDLOG_INLINE std::tm gmtime() SPDLOG_NOEXCEPT { std::time_t now_t = ::time(nullptr); return gmtime(now_t); } // fopen_s on non windows for writing SPDLOG_INLINE bool fopen_s(FILE **fp, const filename_t &filename, const filename_t &mode) { #ifdef _WIN32 #ifdef SPDLOG_WCHAR_FILENAMES *fp = ::_wfsopen((filename.c_str()), mode.c_str(), _SH_DENYNO); #else *fp = ::_fsopen((filename.c_str()), mode.c_str(), _SH_DENYNO); #endif #if defined(SPDLOG_PREVENT_CHILD_FD) if (*fp != nullptr) { auto file_handle = reinterpret_cast(_get_osfhandle(::_fileno(*fp))); if (!::SetHandleInformation(file_handle, HANDLE_FLAG_INHERIT, 0)) { ::fclose(*fp); *fp = nullptr; } } #endif #else // unix #if defined(SPDLOG_PREVENT_CHILD_FD) const int mode_flag = mode == SPDLOG_FILENAME_T("ab") ? O_APPEND : O_TRUNC; const int fd = ::open((filename.c_str()), O_CREAT | O_WRONLY | O_CLOEXEC | mode_flag, mode_t(0644)); if (fd == -1) { return false; } *fp = ::fdopen(fd, mode.c_str()); if (*fp == nullptr) { ::close(fd); } #else *fp = ::fopen((filename.c_str()), mode.c_str()); #endif #endif return *fp == nullptr; } SPDLOG_INLINE int remove(const filename_t &filename) SPDLOG_NOEXCEPT { #if defined(_WIN32) && defined(SPDLOG_WCHAR_FILENAMES) return ::_wremove(filename.c_str()); #else return std::remove(filename.c_str()); #endif } SPDLOG_INLINE int remove_if_exists(const filename_t &filename) SPDLOG_NOEXCEPT { return path_exists(filename) ? remove(filename) : 0; } SPDLOG_INLINE int rename(const filename_t &filename1, const filename_t &filename2) SPDLOG_NOEXCEPT { #if defined(_WIN32) && defined(SPDLOG_WCHAR_FILENAMES) return ::_wrename(filename1.c_str(), filename2.c_str()); #else return std::rename(filename1.c_str(), filename2.c_str()); #endif } // Return true if path exists (file or directory) SPDLOG_INLINE bool path_exists(const filename_t &filename) SPDLOG_NOEXCEPT { #ifdef _WIN32 #ifdef SPDLOG_WCHAR_FILENAMES auto attribs = ::GetFileAttributesW(filename.c_str()); #else auto attribs = ::GetFileAttributesA(filename.c_str()); #endif return attribs != INVALID_FILE_ATTRIBUTES; #else // common linux/unix all have the stat system call struct stat buffer; return (::stat(filename.c_str(), &buffer) == 0); #endif } #ifdef _MSC_VER // avoid warning about unreachable statement at the end of filesize() #pragma warning(push) #pragma warning(disable: 4702) #endif // Return file size according to open FILE* object SPDLOG_INLINE size_t filesize(FILE *f) { if (f == nullptr) { throw_spdlog_ex("Failed getting file size. fd is null"); } #if defined(_WIN32) && !defined(__CYGWIN__) int fd = ::_fileno(f); #if defined(_WIN64) // 64 bits __int64 ret = ::_filelengthi64(fd); if (ret >= 0) { return static_cast(ret); } #else // windows 32 bits long ret = ::_filelength(fd); if (ret >= 0) { return static_cast(ret); } #endif #else // unix // OpenBSD doesn't compile with :: before the fileno(..) #if defined(__OpenBSD__) int fd = fileno(f); #else int fd = ::fileno(f); #endif // 64 bits(but not in osx or cygwin, where fstat64 is deprecated) #if (defined(__linux__) || defined(__sun) || defined(_AIX)) && (defined(__LP64__) || defined(_LP64)) struct stat64 st; if (::fstat64(fd, &st) == 0) { return static_cast(st.st_size); } #else // other unix or linux 32 bits or cygwin struct stat st; if (::fstat(fd, &st) == 0) { return static_cast(st.st_size); } #endif #endif throw_spdlog_ex("Failed getting file size from fd", errno); return 0; // will not be reached. } #ifdef _MSC_VER #pragma warning(pop) #endif // Return utc offset in minutes or throw spdlog_ex on failure SPDLOG_INLINE int utc_minutes_offset(const std::tm &tm) { #ifdef _WIN32 #if _WIN32_WINNT < _WIN32_WINNT_WS08 TIME_ZONE_INFORMATION tzinfo; auto rv = ::GetTimeZoneInformation(&tzinfo); #else DYNAMIC_TIME_ZONE_INFORMATION tzinfo; auto rv = ::GetDynamicTimeZoneInformation(&tzinfo); #endif if (rv == TIME_ZONE_ID_INVALID) throw_spdlog_ex("Failed getting timezone info. ", errno); int offset = -tzinfo.Bias; if (tm.tm_isdst) { offset -= tzinfo.DaylightBias; } else { offset -= tzinfo.StandardBias; } return offset; #else #if defined(sun) || defined(__sun) || defined(_AIX) || (!defined(_BSD_SOURCE) && !defined(_GNU_SOURCE)) // 'tm_gmtoff' field is BSD extension and it's missing on SunOS/Solaris struct helper { static long int calculate_gmt_offset(const std::tm &localtm = details::os::localtime(), const std::tm &gmtm = details::os::gmtime()) { int local_year = localtm.tm_year + (1900 - 1); int gmt_year = gmtm.tm_year + (1900 - 1); long int days = ( // difference in day of year localtm.tm_yday - gmtm.tm_yday // + intervening leap days + ((local_year >> 2) - (gmt_year >> 2)) - (local_year / 100 - gmt_year / 100) + ((local_year / 100 >> 2) - (gmt_year / 100 >> 2)) // + difference in years * 365 */ + (long int)(local_year - gmt_year) * 365); long int hours = (24 * days) + (localtm.tm_hour - gmtm.tm_hour); long int mins = (60 * hours) + (localtm.tm_min - gmtm.tm_min); long int secs = (60 * mins) + (localtm.tm_sec - gmtm.tm_sec); return secs; } }; auto offset_seconds = helper::calculate_gmt_offset(tm); #else auto offset_seconds = tm.tm_gmtoff; #endif return static_cast(offset_seconds / 60); #endif } // Return current thread id as size_t // It exists because the std::this_thread::get_id() is much slower(especially // under VS 2013) SPDLOG_INLINE size_t _thread_id() SPDLOG_NOEXCEPT { #ifdef _WIN32 return static_cast(::GetCurrentThreadId()); #elif defined(__linux__) #if defined(__ANDROID__) && defined(__ANDROID_API__) && (__ANDROID_API__ < 21) #define SYS_gettid __NR_gettid #endif return static_cast(::syscall(SYS_gettid)); #elif defined(_AIX) || defined(__DragonFly__) || defined(__FreeBSD__) return static_cast(::pthread_getthreadid_np()); #elif defined(__NetBSD__) return static_cast(::_lwp_self()); #elif defined(__OpenBSD__) return static_cast(::getthrid()); #elif defined(__sun) return static_cast(::thr_self()); #elif __APPLE__ uint64_t tid; pthread_threadid_np(nullptr, &tid); return static_cast(tid); #else // Default to standard C++11 (other Unix) return static_cast(std::hash()(std::this_thread::get_id())); #endif } // Return current thread id as size_t (from thread local storage) SPDLOG_INLINE size_t thread_id() SPDLOG_NOEXCEPT { #if defined(SPDLOG_NO_TLS) return _thread_id(); #else // cache thread id in tls static thread_local const size_t tid = _thread_id(); return tid; #endif } // This is avoid msvc issue in sleep_for that happens if the clock changes. // See https://github.com/gabime/spdlog/issues/609 SPDLOG_INLINE void sleep_for_millis(unsigned int milliseconds) SPDLOG_NOEXCEPT { #if defined(_WIN32) ::Sleep(milliseconds); #else std::this_thread::sleep_for(std::chrono::milliseconds(milliseconds)); #endif } // wchar support for windows file names (SPDLOG_WCHAR_FILENAMES must be defined) #if defined(_WIN32) && defined(SPDLOG_WCHAR_FILENAMES) SPDLOG_INLINE std::string filename_to_str(const filename_t &filename) { memory_buf_t buf; wstr_to_utf8buf(filename, buf); return fmt::to_string(buf); } #else SPDLOG_INLINE std::string filename_to_str(const filename_t &filename) { return filename; } #endif SPDLOG_INLINE int pid() SPDLOG_NOEXCEPT { #ifdef _WIN32 return static_cast(::GetCurrentProcessId()); #else return static_cast(::getpid()); #endif } // Determine if the terminal supports colors // Based on: https://github.com/agauniyal/rang/ SPDLOG_INLINE bool is_color_terminal() SPDLOG_NOEXCEPT { #ifdef _WIN32 return true; #else static const bool result = []() { const char *env_colorterm_p = std::getenv("COLORTERM"); if (env_colorterm_p != nullptr) { return true; } static constexpr std::array terms = {{"ansi", "color", "console", "cygwin", "gnome", "konsole", "kterm", "linux", "msys", "putty", "rxvt", "screen", "vt100", "xterm", "alacritty", "vt102"}}; const char *env_term_p = std::getenv("TERM"); if (env_term_p == nullptr) { return false; } return std::any_of(terms.begin(), terms.end(), [&](const char *term) { return std::strstr(env_term_p, term) != nullptr; }); }(); return result; #endif } // Determine if the terminal attached // Source: https://github.com/agauniyal/rang/ SPDLOG_INLINE bool in_terminal(FILE *file) SPDLOG_NOEXCEPT { #ifdef _WIN32 return ::_isatty(_fileno(file)) != 0; #else return ::isatty(fileno(file)) != 0; #endif } #if (defined(SPDLOG_WCHAR_TO_UTF8_SUPPORT) || defined(SPDLOG_WCHAR_FILENAMES)) && defined(_WIN32) SPDLOG_INLINE void wstr_to_utf8buf(wstring_view_t wstr, memory_buf_t &target) { if (wstr.size() > static_cast((std::numeric_limits::max)()) / 2 - 1) { throw_spdlog_ex("UTF-16 string is too big to be converted to UTF-8"); } int wstr_size = static_cast(wstr.size()); if (wstr_size == 0) { target.resize(0); return; } int result_size = static_cast(target.capacity()); if ((wstr_size + 1) * 2 > result_size) { result_size = ::WideCharToMultiByte(CP_UTF8, 0, wstr.data(), wstr_size, NULL, 0, NULL, NULL); } if (result_size > 0) { target.resize(result_size); result_size = ::WideCharToMultiByte(CP_UTF8, 0, wstr.data(), wstr_size, target.data(), result_size, NULL, NULL); if (result_size > 0) { target.resize(result_size); return; } } throw_spdlog_ex(fmt::format("WideCharToMultiByte failed. Last error: {}", ::GetLastError())); } SPDLOG_INLINE void utf8_to_wstrbuf(string_view_t str, wmemory_buf_t &target) { if (str.size() > static_cast((std::numeric_limits::max)()) - 1) { throw_spdlog_ex("UTF-8 string is too big to be converted to UTF-16"); } int str_size = static_cast(str.size()); if (str_size == 0) { target.resize(0); return; } int result_size = static_cast(target.capacity()); if (str_size + 1 > result_size) { result_size = ::MultiByteToWideChar(CP_UTF8, MB_ERR_INVALID_CHARS, str.data(), str_size, NULL, 0); } if (result_size > 0) { target.resize(result_size); result_size = ::MultiByteToWideChar(CP_UTF8, MB_ERR_INVALID_CHARS, str.data(), str_size, target.data(), result_size); if (result_size > 0) { target.resize(result_size); return; } } throw_spdlog_ex(fmt::format("MultiByteToWideChar failed. Last error: {}", ::GetLastError())); } #endif // (defined(SPDLOG_WCHAR_TO_UTF8_SUPPORT) || defined(SPDLOG_WCHAR_FILENAMES)) && defined(_WIN32) // return true on success static SPDLOG_INLINE bool mkdir_(const filename_t &path) { #ifdef _WIN32 #ifdef SPDLOG_WCHAR_FILENAMES return ::_wmkdir(path.c_str()) == 0; #else return ::_mkdir(path.c_str()) == 0; #endif #else return ::mkdir(path.c_str(), mode_t(0755)) == 0; #endif } // create the given directory - and all directories leading to it // return true on success or if the directory already exists SPDLOG_INLINE bool create_dir(filename_t path) { if (path_exists(path)) { return true; } if (path.empty()) { return false; } size_t search_offset = 0; do { auto token_pos = path.find_first_of(folder_seps_filename, search_offset); // treat the entire path as a folder if no folder separator not found if (token_pos == filename_t::npos) { token_pos = path.size(); } auto subdir = path.substr(0, token_pos); if (!subdir.empty() && !path_exists(subdir) && !mkdir_(subdir)) { return false; // return error if failed creating dir } search_offset = token_pos + 1; } while (search_offset < path.size()); return true; } // Return directory name from given path or empty string // "abc/file" => "abc" // "abc/" => "abc" // "abc" => "" // "abc///" => "abc//" SPDLOG_INLINE filename_t dir_name(filename_t path) { auto pos = path.find_last_of(folder_seps_filename); return pos != filename_t::npos ? path.substr(0, pos) : filename_t{}; } std::string SPDLOG_INLINE getenv(const char *field) { #if defined(_MSC_VER) #if defined(__cplusplus_winrt) return std::string{}; // not supported under uwp #else size_t len = 0; char buf[128]; bool ok = ::getenv_s(&len, buf, sizeof(buf), field) == 0; return ok ? buf : std::string{}; #endif #else // revert to getenv char *buf = ::getenv(field); return buf ? buf : std::string{}; #endif } } // namespace os } // namespace details } // namespace spdlog ================================================ FILE: vendor/spdlog/include/spdlog/details/os.h ================================================ // Copyright(c) 2015-present, Gabi Melman & spdlog contributors. // Distributed under the MIT License (http://opensource.org/licenses/MIT) #pragma once #include #include // std::time_t namespace spdlog { namespace details { namespace os { SPDLOG_API spdlog::log_clock::time_point now() SPDLOG_NOEXCEPT; SPDLOG_API std::tm localtime(const std::time_t &time_tt) SPDLOG_NOEXCEPT; SPDLOG_API std::tm localtime() SPDLOG_NOEXCEPT; SPDLOG_API std::tm gmtime(const std::time_t &time_tt) SPDLOG_NOEXCEPT; SPDLOG_API std::tm gmtime() SPDLOG_NOEXCEPT; // eol definition #if !defined(SPDLOG_EOL) #ifdef _WIN32 #define SPDLOG_EOL "\r\n" #else #define SPDLOG_EOL "\n" #endif #endif SPDLOG_CONSTEXPR static const char *default_eol = SPDLOG_EOL; // folder separator #if !defined(SPDLOG_FOLDER_SEPS) #ifdef _WIN32 #define SPDLOG_FOLDER_SEPS "\\/" #else #define SPDLOG_FOLDER_SEPS "/" #endif #endif SPDLOG_CONSTEXPR static const char folder_seps[] = SPDLOG_FOLDER_SEPS; SPDLOG_CONSTEXPR static const filename_t::value_type folder_seps_filename[] = SPDLOG_FILENAME_T(SPDLOG_FOLDER_SEPS); // fopen_s on non windows for writing SPDLOG_API bool fopen_s(FILE **fp, const filename_t &filename, const filename_t &mode); // Remove filename. return 0 on success SPDLOG_API int remove(const filename_t &filename) SPDLOG_NOEXCEPT; // Remove file if exists. return 0 on success // Note: Non atomic (might return failure to delete if concurrently deleted by other process/thread) SPDLOG_API int remove_if_exists(const filename_t &filename) SPDLOG_NOEXCEPT; SPDLOG_API int rename(const filename_t &filename1, const filename_t &filename2) SPDLOG_NOEXCEPT; // Return if file exists. SPDLOG_API bool path_exists(const filename_t &filename) SPDLOG_NOEXCEPT; // Return file size according to open FILE* object SPDLOG_API size_t filesize(FILE *f); // Return utc offset in minutes or throw spdlog_ex on failure SPDLOG_API int utc_minutes_offset(const std::tm &tm = details::os::localtime()); // Return current thread id as size_t // It exists because the std::this_thread::get_id() is much slower(especially // under VS 2013) SPDLOG_API size_t _thread_id() SPDLOG_NOEXCEPT; // Return current thread id as size_t (from thread local storage) SPDLOG_API size_t thread_id() SPDLOG_NOEXCEPT; // This is avoid msvc issue in sleep_for that happens if the clock changes. // See https://github.com/gabime/spdlog/issues/609 SPDLOG_API void sleep_for_millis(unsigned int milliseconds) SPDLOG_NOEXCEPT; SPDLOG_API std::string filename_to_str(const filename_t &filename); SPDLOG_API int pid() SPDLOG_NOEXCEPT; // Determine if the terminal supports colors // Source: https://github.com/agauniyal/rang/ SPDLOG_API bool is_color_terminal() SPDLOG_NOEXCEPT; // Determine if the terminal attached // Source: https://github.com/agauniyal/rang/ SPDLOG_API bool in_terminal(FILE *file) SPDLOG_NOEXCEPT; #if (defined(SPDLOG_WCHAR_TO_UTF8_SUPPORT) || defined(SPDLOG_WCHAR_FILENAMES)) && defined(_WIN32) SPDLOG_API void wstr_to_utf8buf(wstring_view_t wstr, memory_buf_t &target); SPDLOG_API void utf8_to_wstrbuf(string_view_t str, wmemory_buf_t &target); #endif // Return directory name from given path or empty string // "abc/file" => "abc" // "abc/" => "abc" // "abc" => "" // "abc///" => "abc//" SPDLOG_API filename_t dir_name(filename_t path); // Create a dir from the given path. // Return true if succeeded or if this dir already exists. SPDLOG_API bool create_dir(filename_t path); // non thread safe, cross platform getenv/getenv_s // return empty string if field not found SPDLOG_API std::string getenv(const char *field); } // namespace os } // namespace details } // namespace spdlog #ifdef SPDLOG_HEADER_ONLY #include "os-inl.h" #endif ================================================ FILE: vendor/spdlog/include/spdlog/details/periodic_worker-inl.h ================================================ // Copyright(c) 2015-present, Gabi Melman & spdlog contributors. // Distributed under the MIT License (http://opensource.org/licenses/MIT) #pragma once #ifndef SPDLOG_HEADER_ONLY #include #endif namespace spdlog { namespace details { SPDLOG_INLINE periodic_worker::periodic_worker(const std::function &callback_fun, std::chrono::seconds interval) { active_ = (interval > std::chrono::seconds::zero()); if (!active_) { return; } worker_thread_ = std::thread([this, callback_fun, interval]() { for (;;) { std::unique_lock lock(this->mutex_); if (this->cv_.wait_for(lock, interval, [this] { return !this->active_; })) { return; // active_ == false, so exit this thread } callback_fun(); } }); } // stop the worker thread and join it SPDLOG_INLINE periodic_worker::~periodic_worker() { if (worker_thread_.joinable()) { { std::lock_guard lock(mutex_); active_ = false; } cv_.notify_one(); worker_thread_.join(); } } } // namespace details } // namespace spdlog ================================================ FILE: vendor/spdlog/include/spdlog/details/periodic_worker.h ================================================ // Copyright(c) 2015-present, Gabi Melman & spdlog contributors. // Distributed under the MIT License (http://opensource.org/licenses/MIT) #pragma once // periodic worker thread - periodically executes the given callback function. // // RAII over the owned thread: // creates the thread on construction. // stops and joins the thread on destruction (if the thread is executing a callback, wait for it to finish first). #include #include #include #include #include namespace spdlog { namespace details { class SPDLOG_API periodic_worker { public: periodic_worker(const std::function &callback_fun, std::chrono::seconds interval); periodic_worker(const periodic_worker &) = delete; periodic_worker &operator=(const periodic_worker &) = delete; // stop the worker thread and join it ~periodic_worker(); private: bool active_; std::thread worker_thread_; std::mutex mutex_; std::condition_variable cv_; }; } // namespace details } // namespace spdlog #ifdef SPDLOG_HEADER_ONLY #include "periodic_worker-inl.h" #endif ================================================ FILE: vendor/spdlog/include/spdlog/details/registry-inl.h ================================================ // Copyright(c) 2015-present, Gabi Melman & spdlog contributors. // Distributed under the MIT License (http://opensource.org/licenses/MIT) #pragma once #ifndef SPDLOG_HEADER_ONLY #include #endif #include #include #include #include #ifndef SPDLOG_DISABLE_DEFAULT_LOGGER // support for the default stdout color logger #ifdef _WIN32 #include #else #include #endif #endif // SPDLOG_DISABLE_DEFAULT_LOGGER #include #include #include #include #include namespace spdlog { namespace details { SPDLOG_INLINE registry::registry() : formatter_(new pattern_formatter()) { #ifndef SPDLOG_DISABLE_DEFAULT_LOGGER // create default logger (ansicolor_stdout_sink_mt or wincolor_stdout_sink_mt in windows). #ifdef _WIN32 auto color_sink = std::make_shared(); #else auto color_sink = std::make_shared(); #endif const char *default_logger_name = ""; default_logger_ = std::make_shared(default_logger_name, std::move(color_sink)); loggers_[default_logger_name] = default_logger_; #endif // SPDLOG_DISABLE_DEFAULT_LOGGER } SPDLOG_INLINE registry::~registry() = default; SPDLOG_INLINE void registry::register_logger(std::shared_ptr new_logger) { std::lock_guard lock(logger_map_mutex_); register_logger_(std::move(new_logger)); } SPDLOG_INLINE void registry::initialize_logger(std::shared_ptr new_logger) { std::lock_guard lock(logger_map_mutex_); new_logger->set_formatter(formatter_->clone()); if (err_handler_) { new_logger->set_error_handler(err_handler_); } // set new level according to previously configured level or default level auto it = log_levels_.find(new_logger->name()); auto new_level = it != log_levels_.end() ? it->second : global_log_level_; new_logger->set_level(new_level); new_logger->flush_on(flush_level_); if (backtrace_n_messages_ > 0) { new_logger->enable_backtrace(backtrace_n_messages_); } if (automatic_registration_) { register_logger_(std::move(new_logger)); } } SPDLOG_INLINE std::shared_ptr registry::get(const std::string &logger_name) { std::lock_guard lock(logger_map_mutex_); auto found = loggers_.find(logger_name); return found == loggers_.end() ? nullptr : found->second; } SPDLOG_INLINE std::shared_ptr registry::default_logger() { std::lock_guard lock(logger_map_mutex_); return default_logger_; } // Return raw ptr to the default logger. // To be used directly by the spdlog default api (e.g. spdlog::info) // This make the default API faster, but cannot be used concurrently with set_default_logger(). // e.g do not call set_default_logger() from one thread while calling spdlog::info() from another. SPDLOG_INLINE logger *registry::get_default_raw() { return default_logger_.get(); } // set default logger. // default logger is stored in default_logger_ (for faster retrieval) and in the loggers_ map. SPDLOG_INLINE void registry::set_default_logger(std::shared_ptr new_default_logger) { std::lock_guard lock(logger_map_mutex_); // remove previous default logger from the map if (default_logger_ != nullptr) { loggers_.erase(default_logger_->name()); } if (new_default_logger != nullptr) { loggers_[new_default_logger->name()] = new_default_logger; } default_logger_ = std::move(new_default_logger); } SPDLOG_INLINE void registry::set_tp(std::shared_ptr tp) { std::lock_guard lock(tp_mutex_); tp_ = std::move(tp); } SPDLOG_INLINE std::shared_ptr registry::get_tp() { std::lock_guard lock(tp_mutex_); return tp_; } // Set global formatter. Each sink in each logger will get a clone of this object SPDLOG_INLINE void registry::set_formatter(std::unique_ptr formatter) { std::lock_guard lock(logger_map_mutex_); formatter_ = std::move(formatter); for (auto &l : loggers_) { l.second->set_formatter(formatter_->clone()); } } SPDLOG_INLINE void registry::enable_backtrace(size_t n_messages) { std::lock_guard lock(logger_map_mutex_); backtrace_n_messages_ = n_messages; for (auto &l : loggers_) { l.second->enable_backtrace(n_messages); } } SPDLOG_INLINE void registry::disable_backtrace() { std::lock_guard lock(logger_map_mutex_); backtrace_n_messages_ = 0; for (auto &l : loggers_) { l.second->disable_backtrace(); } } SPDLOG_INLINE void registry::set_level(level::level_enum log_level) { std::lock_guard lock(logger_map_mutex_); for (auto &l : loggers_) { l.second->set_level(log_level); } global_log_level_ = log_level; } SPDLOG_INLINE void registry::flush_on(level::level_enum log_level) { std::lock_guard lock(logger_map_mutex_); for (auto &l : loggers_) { l.second->flush_on(log_level); } flush_level_ = log_level; } SPDLOG_INLINE void registry::flush_every(std::chrono::seconds interval) { std::lock_guard lock(flusher_mutex_); auto clbk = [this]() { this->flush_all(); }; periodic_flusher_ = details::make_unique(clbk, interval); } SPDLOG_INLINE void registry::set_error_handler(err_handler handler) { std::lock_guard lock(logger_map_mutex_); for (auto &l : loggers_) { l.second->set_error_handler(handler); } err_handler_ = std::move(handler); } SPDLOG_INLINE void registry::apply_all(const std::function)> &fun) { std::lock_guard lock(logger_map_mutex_); for (auto &l : loggers_) { fun(l.second); } } SPDLOG_INLINE void registry::flush_all() { std::lock_guard lock(logger_map_mutex_); for (auto &l : loggers_) { l.second->flush(); } } SPDLOG_INLINE void registry::drop(const std::string &logger_name) { std::lock_guard lock(logger_map_mutex_); loggers_.erase(logger_name); if (default_logger_ && default_logger_->name() == logger_name) { default_logger_.reset(); } } SPDLOG_INLINE void registry::drop_all() { std::lock_guard lock(logger_map_mutex_); loggers_.clear(); default_logger_.reset(); } // clean all resources and threads started by the registry SPDLOG_INLINE void registry::shutdown() { { std::lock_guard lock(flusher_mutex_); periodic_flusher_.reset(); } drop_all(); { std::lock_guard lock(tp_mutex_); tp_.reset(); } } SPDLOG_INLINE std::recursive_mutex ®istry::tp_mutex() { return tp_mutex_; } SPDLOG_INLINE void registry::set_automatic_registration(bool automatic_registration) { std::lock_guard lock(logger_map_mutex_); automatic_registration_ = automatic_registration; } SPDLOG_INLINE void registry::set_levels(log_levels levels, level::level_enum *global_level) { std::lock_guard lock(logger_map_mutex_); log_levels_ = std::move(levels); auto global_level_requested = global_level != nullptr; global_log_level_ = global_level_requested ? *global_level : global_log_level_; for (auto &logger : loggers_) { auto logger_entry = log_levels_.find(logger.first); if (logger_entry != log_levels_.end()) { logger.second->set_level(logger_entry->second); } else if (global_level_requested) { logger.second->set_level(*global_level); } } } SPDLOG_INLINE registry ®istry::instance() { static registry s_instance; return s_instance; } SPDLOG_INLINE void registry::throw_if_exists_(const std::string &logger_name) { if (loggers_.find(logger_name) != loggers_.end()) { throw_spdlog_ex("logger with name '" + logger_name + "' already exists"); } } SPDLOG_INLINE void registry::register_logger_(std::shared_ptr new_logger) { auto logger_name = new_logger->name(); throw_if_exists_(logger_name); loggers_[logger_name] = std::move(new_logger); } } // namespace details } // namespace spdlog ================================================ FILE: vendor/spdlog/include/spdlog/details/registry.h ================================================ // Copyright(c) 2015-present, Gabi Melman & spdlog contributors. // Distributed under the MIT License (http://opensource.org/licenses/MIT) #pragma once // Loggers registry of unique name->logger pointer // An attempt to create a logger with an already existing name will result with spdlog_ex exception. // If user requests a non existing logger, nullptr will be returned // This class is thread safe #include #include #include #include #include #include #include namespace spdlog { class logger; namespace details { class thread_pool; class periodic_worker; class SPDLOG_API registry { public: using log_levels = std::unordered_map; registry(const registry &) = delete; registry &operator=(const registry &) = delete; void register_logger(std::shared_ptr new_logger); void initialize_logger(std::shared_ptr new_logger); std::shared_ptr get(const std::string &logger_name); std::shared_ptr default_logger(); // Return raw ptr to the default logger. // To be used directly by the spdlog default api (e.g. spdlog::info) // This make the default API faster, but cannot be used concurrently with set_default_logger(). // e.g do not call set_default_logger() from one thread while calling spdlog::info() from another. logger *get_default_raw(); // set default logger. // default logger is stored in default_logger_ (for faster retrieval) and in the loggers_ map. void set_default_logger(std::shared_ptr new_default_logger); void set_tp(std::shared_ptr tp); std::shared_ptr get_tp(); // Set global formatter. Each sink in each logger will get a clone of this object void set_formatter(std::unique_ptr formatter); void enable_backtrace(size_t n_messages); void disable_backtrace(); void set_level(level::level_enum log_level); void flush_on(level::level_enum log_level); void flush_every(std::chrono::seconds interval); void set_error_handler(err_handler handler); void apply_all(const std::function)> &fun); void flush_all(); void drop(const std::string &logger_name); void drop_all(); // clean all resources and threads started by the registry void shutdown(); std::recursive_mutex &tp_mutex(); void set_automatic_registration(bool automatic_registration); // set levels for all existing/future loggers. global_level can be null if should not set. void set_levels(log_levels levels, level::level_enum *global_level); static registry &instance(); private: registry(); ~registry(); void throw_if_exists_(const std::string &logger_name); void register_logger_(std::shared_ptr new_logger); bool set_level_from_cfg_(logger *logger); std::mutex logger_map_mutex_, flusher_mutex_; std::recursive_mutex tp_mutex_; std::unordered_map> loggers_; log_levels log_levels_; std::unique_ptr formatter_; spdlog::level::level_enum global_log_level_ = level::info; level::level_enum flush_level_ = level::off; err_handler err_handler_; std::shared_ptr tp_; std::unique_ptr periodic_flusher_; std::shared_ptr default_logger_; bool automatic_registration_ = true; size_t backtrace_n_messages_ = 0; }; } // namespace details } // namespace spdlog #ifdef SPDLOG_HEADER_ONLY #include "registry-inl.h" #endif ================================================ FILE: vendor/spdlog/include/spdlog/details/synchronous_factory.h ================================================ // Copyright(c) 2015-present, Gabi Melman & spdlog contributors. // Distributed under the MIT License (http://opensource.org/licenses/MIT) #pragma once #include "registry.h" namespace spdlog { // Default logger factory- creates synchronous loggers class logger; struct synchronous_factory { template static std::shared_ptr create(std::string logger_name, SinkArgs &&...args) { auto sink = std::make_shared(std::forward(args)...); auto new_logger = std::make_shared(std::move(logger_name), std::move(sink)); details::registry::instance().initialize_logger(new_logger); return new_logger; } }; } // namespace spdlog ================================================ FILE: vendor/spdlog/include/spdlog/details/tcp_client-windows.h ================================================ // Copyright(c) 2015-present, Gabi Melman & spdlog contributors. // Distributed under the MIT License (http://opensource.org/licenses/MIT) #pragma once #define WIN32_LEAN_AND_MEAN // tcp client helper #include #include #include #include #include #include #include #include #pragma comment(lib, "Ws2_32.lib") #pragma comment(lib, "Mswsock.lib") #pragma comment(lib, "AdvApi32.lib") namespace spdlog { namespace details { class tcp_client { SOCKET socket_ = INVALID_SOCKET; static bool winsock_initialized_() { SOCKET s = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP); if (s == INVALID_SOCKET) { return false; } else { closesocket(s); return true; } } static void init_winsock_() { WSADATA wsaData; auto rv = WSAStartup(MAKEWORD(2, 2), &wsaData); if (rv != 0) { throw_winsock_error_("WSAStartup failed", ::WSAGetLastError()); } } static void throw_winsock_error_(const std::string &msg, int last_error) { char buf[512]; ::FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS, NULL, last_error, MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), buf, (sizeof(buf) / sizeof(char)), NULL); throw_spdlog_ex(fmt::format("tcp_sink - {}: {}", msg, buf)); } public: bool is_connected() const { return socket_ != INVALID_SOCKET; } void close() { ::closesocket(socket_); socket_ = INVALID_SOCKET; WSACleanup(); } SOCKET fd() const { return socket_; } ~tcp_client() { close(); } // try to connect or throw on failure void connect(const std::string &host, int port) { // initialize winsock if needed if (!winsock_initialized_()) { init_winsock_(); } if (is_connected()) { close(); } struct addrinfo hints {}; ZeroMemory(&hints, sizeof(hints)); hints.ai_family = AF_INET; // IPv4 hints.ai_socktype = SOCK_STREAM; // TCP hints.ai_flags = AI_NUMERICSERV; // port passed as as numeric value hints.ai_protocol = 0; auto port_str = std::to_string(port); struct addrinfo *addrinfo_result; auto rv = ::getaddrinfo(host.c_str(), port_str.c_str(), &hints, &addrinfo_result); int last_error = 0; if (rv != 0) { last_error = ::WSAGetLastError(); WSACleanup(); throw_winsock_error_("getaddrinfo failed", last_error); } // Try each address until we successfully connect(2). for (auto *rp = addrinfo_result; rp != nullptr; rp = rp->ai_next) { socket_ = socket(rp->ai_family, rp->ai_socktype, rp->ai_protocol); if (socket_ == INVALID_SOCKET) { last_error = ::WSAGetLastError(); WSACleanup(); continue; } if (::connect(socket_, rp->ai_addr, (int)rp->ai_addrlen) == 0) { break; } else { last_error = ::WSAGetLastError(); close(); } } ::freeaddrinfo(addrinfo_result); if (socket_ == INVALID_SOCKET) { WSACleanup(); throw_winsock_error_("connect failed", last_error); } // set TCP_NODELAY int enable_flag = 1; ::setsockopt(socket_, IPPROTO_TCP, TCP_NODELAY, reinterpret_cast(&enable_flag), sizeof(enable_flag)); } // Send exactly n_bytes of the given data. // On error close the connection and throw. void send(const char *data, size_t n_bytes) { size_t bytes_sent = 0; while (bytes_sent < n_bytes) { const int send_flags = 0; auto write_result = ::send(socket_, data + bytes_sent, (int)(n_bytes - bytes_sent), send_flags); if (write_result == SOCKET_ERROR) { int last_error = ::WSAGetLastError(); close(); throw_winsock_error_("send failed", last_error); } if (write_result == 0) // (probably should not happen but in any case..) { break; } bytes_sent += static_cast(write_result); } } }; } // namespace details } // namespace spdlog ================================================ FILE: vendor/spdlog/include/spdlog/details/tcp_client.h ================================================ // Copyright(c) 2015-present, Gabi Melman & spdlog contributors. // Distributed under the MIT License (http://opensource.org/licenses/MIT) #pragma once #ifdef _WIN32 #error include tcp_client-windows.h instead #endif // tcp client helper #include #include #include #include #include #include #include #include namespace spdlog { namespace details { class tcp_client { int socket_ = -1; public: bool is_connected() const { return socket_ != -1; } void close() { if (is_connected()) { ::close(socket_); socket_ = -1; } } int fd() const { return socket_; } ~tcp_client() { close(); } // try to connect or throw on failure void connect(const std::string &host, int port) { close(); struct addrinfo hints {}; memset(&hints, 0, sizeof(struct addrinfo)); hints.ai_family = AF_INET; // IPv4 hints.ai_socktype = SOCK_STREAM; // TCP hints.ai_flags = AI_NUMERICSERV; // port passed as as numeric value hints.ai_protocol = 0; auto port_str = std::to_string(port); struct addrinfo *addrinfo_result; auto rv = ::getaddrinfo(host.c_str(), port_str.c_str(), &hints, &addrinfo_result); if (rv != 0) { auto msg = fmt::format("::getaddrinfo failed: {}", gai_strerror(rv)); throw_spdlog_ex(msg); } // Try each address until we successfully connect(2). int last_errno = 0; for (auto *rp = addrinfo_result; rp != nullptr; rp = rp->ai_next) { #if defined(SOCK_CLOEXEC) const int flags = SOCK_CLOEXEC; #else const int flags = 0; #endif socket_ = ::socket(rp->ai_family, rp->ai_socktype | flags, rp->ai_protocol); if (socket_ == -1) { last_errno = errno; continue; } rv = ::connect(socket_, rp->ai_addr, rp->ai_addrlen); if (rv == 0) { break; } last_errno = errno; ::close(socket_); socket_ = -1; } ::freeaddrinfo(addrinfo_result); if (socket_ == -1) { throw_spdlog_ex("::connect failed", last_errno); } // set TCP_NODELAY int enable_flag = 1; ::setsockopt(socket_, IPPROTO_TCP, TCP_NODELAY, reinterpret_cast(&enable_flag), sizeof(enable_flag)); // prevent sigpipe on systems where MSG_NOSIGNAL is not available #if defined(SO_NOSIGPIPE) && !defined(MSG_NOSIGNAL) ::setsockopt(socket_, SOL_SOCKET, SO_NOSIGPIPE, reinterpret_cast(&enable_flag), sizeof(enable_flag)); #endif #if !defined(SO_NOSIGPIPE) && !defined(MSG_NOSIGNAL) #error "tcp_sink would raise SIGPIPE since niether SO_NOSIGPIPE nor MSG_NOSIGNAL are available" #endif } // Send exactly n_bytes of the given data. // On error close the connection and throw. void send(const char *data, size_t n_bytes) { size_t bytes_sent = 0; while (bytes_sent < n_bytes) { #if defined(MSG_NOSIGNAL) const int send_flags = MSG_NOSIGNAL; #else const int send_flags = 0; #endif auto write_result = ::send(socket_, data + bytes_sent, n_bytes - bytes_sent, send_flags); if (write_result < 0) { close(); throw_spdlog_ex("write(2) failed", errno); } if (write_result == 0) // (probably should not happen but in any case..) { break; } bytes_sent += static_cast(write_result); } } }; } // namespace details } // namespace spdlog ================================================ FILE: vendor/spdlog/include/spdlog/details/thread_pool-inl.h ================================================ // Copyright(c) 2015-present, Gabi Melman & spdlog contributors. // Distributed under the MIT License (http://opensource.org/licenses/MIT) #pragma once #ifndef SPDLOG_HEADER_ONLY #include #endif #include #include namespace spdlog { namespace details { SPDLOG_INLINE thread_pool::thread_pool(size_t q_max_items, size_t threads_n, std::function on_thread_start) : q_(q_max_items) { if (threads_n == 0 || threads_n > 1000) { throw_spdlog_ex("spdlog::thread_pool(): invalid threads_n param (valid " "range is 1-1000)"); } for (size_t i = 0; i < threads_n; i++) { threads_.emplace_back([this, on_thread_start] { on_thread_start(); this->thread_pool::worker_loop_(); }); } } SPDLOG_INLINE thread_pool::thread_pool(size_t q_max_items, size_t threads_n) : thread_pool(q_max_items, threads_n, [] {}) {} // message all threads to terminate gracefully join them SPDLOG_INLINE thread_pool::~thread_pool() { SPDLOG_TRY { for (size_t i = 0; i < threads_.size(); i++) { post_async_msg_(async_msg(async_msg_type::terminate), async_overflow_policy::block); } for (auto &t : threads_) { t.join(); } } SPDLOG_CATCH_STD } void SPDLOG_INLINE thread_pool::post_log(async_logger_ptr &&worker_ptr, const details::log_msg &msg, async_overflow_policy overflow_policy) { async_msg async_m(std::move(worker_ptr), async_msg_type::log, msg); post_async_msg_(std::move(async_m), overflow_policy); } void SPDLOG_INLINE thread_pool::post_flush(async_logger_ptr &&worker_ptr, async_overflow_policy overflow_policy) { post_async_msg_(async_msg(std::move(worker_ptr), async_msg_type::flush), overflow_policy); } size_t SPDLOG_INLINE thread_pool::overrun_counter() { return q_.overrun_counter(); } size_t SPDLOG_INLINE thread_pool::queue_size() { return q_.size(); } void SPDLOG_INLINE thread_pool::post_async_msg_(async_msg &&new_msg, async_overflow_policy overflow_policy) { if (overflow_policy == async_overflow_policy::block) { q_.enqueue(std::move(new_msg)); } else { q_.enqueue_nowait(std::move(new_msg)); } } void SPDLOG_INLINE thread_pool::worker_loop_() { while (process_next_msg_()) {} } // process next message in the queue // return true if this thread should still be active (while no terminate msg // was received) bool SPDLOG_INLINE thread_pool::process_next_msg_() { async_msg incoming_async_msg; bool dequeued = q_.dequeue_for(incoming_async_msg, std::chrono::seconds(10)); if (!dequeued) { return true; } switch (incoming_async_msg.msg_type) { case async_msg_type::log: { incoming_async_msg.worker_ptr->backend_sink_it_(incoming_async_msg); return true; } case async_msg_type::flush: { incoming_async_msg.worker_ptr->backend_flush_(); return true; } case async_msg_type::terminate: { return false; } default: { assert(false); } } return true; } } // namespace details } // namespace spdlog ================================================ FILE: vendor/spdlog/include/spdlog/details/thread_pool.h ================================================ // Copyright(c) 2015-present, Gabi Melman & spdlog contributors. // Distributed under the MIT License (http://opensource.org/licenses/MIT) #pragma once #include #include #include #include #include #include #include #include namespace spdlog { class async_logger; namespace details { using async_logger_ptr = std::shared_ptr; enum class async_msg_type { log, flush, terminate }; #include // Async msg to move to/from the queue // Movable only. should never be copied struct async_msg : log_msg_buffer { async_msg_type msg_type{async_msg_type::log}; async_logger_ptr worker_ptr; async_msg() = default; ~async_msg() = default; // should only be moved in or out of the queue.. async_msg(const async_msg &) = delete; // support for vs2013 move #if defined(_MSC_VER) && _MSC_VER <= 1800 async_msg(async_msg &&other) : log_msg_buffer(std::move(other)) , msg_type(other.msg_type) , worker_ptr(std::move(other.worker_ptr)) {} async_msg &operator=(async_msg &&other) { *static_cast(this) = std::move(other); msg_type = other.msg_type; worker_ptr = std::move(other.worker_ptr); return *this; } #else // (_MSC_VER) && _MSC_VER <= 1800 async_msg(async_msg &&) = default; async_msg &operator=(async_msg &&) = default; #endif // construct from log_msg with given type async_msg(async_logger_ptr &&worker, async_msg_type the_type, const details::log_msg &m) : log_msg_buffer{m} , msg_type{the_type} , worker_ptr{std::move(worker)} {} async_msg(async_logger_ptr &&worker, async_msg_type the_type) : log_msg_buffer{} , msg_type{the_type} , worker_ptr{std::move(worker)} {} explicit async_msg(async_msg_type the_type) : async_msg{nullptr, the_type} {} }; class SPDLOG_API thread_pool { public: using item_type = async_msg; using q_type = details::mpmc_blocking_queue; thread_pool(size_t q_max_items, size_t threads_n, std::function on_thread_start); thread_pool(size_t q_max_items, size_t threads_n); // message all threads to terminate gracefully join them ~thread_pool(); thread_pool(const thread_pool &) = delete; thread_pool &operator=(thread_pool &&) = delete; void post_log(async_logger_ptr &&worker_ptr, const details::log_msg &msg, async_overflow_policy overflow_policy); void post_flush(async_logger_ptr &&worker_ptr, async_overflow_policy overflow_policy); size_t overrun_counter(); size_t queue_size(); private: q_type q_; std::vector threads_; void post_async_msg_(async_msg &&new_msg, async_overflow_policy overflow_policy); void worker_loop_(); // process next message in the queue // return true if this thread should still be active (while no terminate msg // was received) bool process_next_msg_(); }; } // namespace details } // namespace spdlog #ifdef SPDLOG_HEADER_ONLY #include "thread_pool-inl.h" #endif ================================================ FILE: vendor/spdlog/include/spdlog/details/windows_include.h ================================================ #pragma once #ifndef NOMINMAX #define NOMINMAX // prevent windows redefining min/max #endif #ifndef WIN32_LEAN_AND_MEAN #define WIN32_LEAN_AND_MEAN #endif #include ================================================ FILE: vendor/spdlog/include/spdlog/fmt/bin_to_hex.h ================================================ // // Copyright(c) 2015 Gabi Melman. // Distributed under the MIT License (http://opensource.org/licenses/MIT) // #pragma once #include // // Support for logging binary data as hex // format flags, any combination of the followng: // {:X} - print in uppercase. // {:s} - don't separate each byte with space. // {:p} - don't print the position on each line start. // {:n} - don't split the output to lines. // {:a} - show ASCII if :n is not set // // Examples: // // std::vector v(200, 0x0b); // logger->info("Some buffer {}", spdlog::to_hex(v)); // char buf[128]; // logger->info("Some buffer {:X}", spdlog::to_hex(std::begin(buf), std::end(buf))); // logger->info("Some buffer {:X}", spdlog::to_hex(std::begin(buf), std::end(buf), 16)); namespace spdlog { namespace details { template class dump_info { public: dump_info(It range_begin, It range_end, size_t size_per_line) : begin_(range_begin) , end_(range_end) , size_per_line_(size_per_line) {} It begin() const { return begin_; } It end() const { return end_; } size_t size_per_line() const { return size_per_line_; } private: It begin_, end_; size_t size_per_line_; }; } // namespace details // create a dump_info that wraps the given container template inline details::dump_info to_hex(const Container &container, size_t size_per_line = 32) { static_assert(sizeof(typename Container::value_type) == 1, "sizeof(Container::value_type) != 1"); using Iter = typename Container::const_iterator; return details::dump_info(std::begin(container), std::end(container), size_per_line); } // create dump_info from ranges template inline details::dump_info to_hex(const It range_begin, const It range_end, size_t size_per_line = 32) { return details::dump_info(range_begin, range_end, size_per_line); } } // namespace spdlog namespace fmt { template struct formatter> { const char delimiter = ' '; bool put_newlines = true; bool put_delimiters = true; bool use_uppercase = false; bool put_positions = true; // position on start of each line bool show_ascii = false; // parse the format string flags template auto parse(ParseContext &ctx) -> decltype(ctx.begin()) { auto it = ctx.begin(); while (it != ctx.end() && *it != '}') { switch (*it) { case 'X': use_uppercase = true; break; case 's': put_delimiters = false; break; case 'p': put_positions = false; break; case 'n': put_newlines = false; show_ascii = false; break; case 'a': if (put_newlines) { show_ascii = true; } break; } ++it; } return it; } // format the given bytes range as hex template auto format(const spdlog::details::dump_info &the_range, FormatContext &ctx) -> decltype(ctx.out()) { SPDLOG_CONSTEXPR const char *hex_upper = "0123456789ABCDEF"; SPDLOG_CONSTEXPR const char *hex_lower = "0123456789abcdef"; const char *hex_chars = use_uppercase ? hex_upper : hex_lower; #if FMT_VERSION < 60000 auto inserter = ctx.begin(); #else auto inserter = ctx.out(); #endif int size_per_line = static_cast(the_range.size_per_line()); auto start_of_line = the_range.begin(); for (auto i = the_range.begin(); i != the_range.end(); i++) { auto ch = static_cast(*i); if (put_newlines && (i == the_range.begin() || i - start_of_line >= size_per_line)) { if (show_ascii && i != the_range.begin()) { *inserter++ = delimiter; *inserter++ = delimiter; for (auto j = start_of_line; j < i; j++) { auto pc = static_cast(*j); *inserter++ = std::isprint(pc) ? static_cast(*j) : '.'; } } put_newline(inserter, static_cast(i - the_range.begin())); // put first byte without delimiter in front of it *inserter++ = hex_chars[(ch >> 4) & 0x0f]; *inserter++ = hex_chars[ch & 0x0f]; start_of_line = i; continue; } if (put_delimiters) { *inserter++ = delimiter; } *inserter++ = hex_chars[(ch >> 4) & 0x0f]; *inserter++ = hex_chars[ch & 0x0f]; } if (show_ascii) // add ascii to last line { if (the_range.end() - the_range.begin() > size_per_line) { auto blank_num = size_per_line - (the_range.end() - start_of_line); while (blank_num-- > 0) { *inserter++ = delimiter; *inserter++ = delimiter; if (put_delimiters) { *inserter++ = delimiter; } } } *inserter++ = delimiter; *inserter++ = delimiter; for (auto j = start_of_line; j != the_range.end(); j++) { auto pc = static_cast(*j); *inserter++ = std::isprint(pc) ? static_cast(*j) : '.'; } } return inserter; } // put newline(and position header) template void put_newline(It inserter, std::size_t pos) { #ifdef _WIN32 *inserter++ = '\r'; #endif *inserter++ = '\n'; if (put_positions) { fmt::format_to(inserter, "{:04X}: ", pos); } } }; } // namespace fmt ================================================ FILE: vendor/spdlog/include/spdlog/fmt/bundled/args.h ================================================ // Formatting library for C++ - dynamic format arguments // // Copyright (c) 2012 - present, Victor Zverovich // All rights reserved. // // For the license information refer to format.h. #ifndef FMT_ARGS_H_ #define FMT_ARGS_H_ #include // std::reference_wrapper #include // std::unique_ptr #include #include "core.h" FMT_BEGIN_NAMESPACE namespace detail { template struct is_reference_wrapper : std::false_type {}; template struct is_reference_wrapper> : std::true_type {}; template const T& unwrap(const T& v) { return v; } template const T& unwrap(const std::reference_wrapper& v) { return static_cast(v); } class dynamic_arg_list { // Workaround for clang's -Wweak-vtables. Unlike for regular classes, for // templates it doesn't complain about inability to deduce single translation // unit for placing vtable. So storage_node_base is made a fake template. template struct node { virtual ~node() = default; std::unique_ptr> next; }; template struct typed_node : node<> { T value; template FMT_CONSTEXPR typed_node(const Arg& arg) : value(arg) {} template FMT_CONSTEXPR typed_node(const basic_string_view& arg) : value(arg.data(), arg.size()) {} }; std::unique_ptr> head_; public: template const T& push(const Arg& arg) { auto new_node = std::unique_ptr>(new typed_node(arg)); auto& value = new_node->value; new_node->next = std::move(head_); head_ = std::move(new_node); return value; } }; } // namespace detail /** \rst A dynamic version of `fmt::format_arg_store`. It's equipped with a storage to potentially temporary objects which lifetimes could be shorter than the format arguments object. It can be implicitly converted into `~fmt::basic_format_args` for passing into type-erased formatting functions such as `~fmt::vformat`. \endrst */ template class dynamic_format_arg_store #if FMT_GCC_VERSION && FMT_GCC_VERSION < 409 // Workaround a GCC template argument substitution bug. : public basic_format_args #endif { private: using char_type = typename Context::char_type; template struct need_copy { static constexpr detail::type mapped_type = detail::mapped_type_constant::value; enum { value = !(detail::is_reference_wrapper::value || std::is_same>::value || std::is_same>::value || (mapped_type != detail::type::cstring_type && mapped_type != detail::type::string_type && mapped_type != detail::type::custom_type)) }; }; template using stored_type = conditional_t::value && !has_formatter::value && !detail::is_reference_wrapper::value, std::basic_string, T>; // Storage of basic_format_arg must be contiguous. std::vector> data_; std::vector> named_info_; // Storage of arguments not fitting into basic_format_arg must grow // without relocation because items in data_ refer to it. detail::dynamic_arg_list dynamic_args_; friend class basic_format_args; unsigned long long get_types() const { return detail::is_unpacked_bit | data_.size() | (named_info_.empty() ? 0ULL : static_cast(detail::has_named_args_bit)); } const basic_format_arg* data() const { return named_info_.empty() ? data_.data() : data_.data() + 1; } template void emplace_arg(const T& arg) { data_.emplace_back(detail::make_arg(arg)); } template void emplace_arg(const detail::named_arg& arg) { if (named_info_.empty()) { constexpr const detail::named_arg_info* zero_ptr{nullptr}; data_.insert(data_.begin(), {zero_ptr, 0}); } data_.emplace_back(detail::make_arg(detail::unwrap(arg.value))); auto pop_one = [](std::vector>* data) { data->pop_back(); }; std::unique_ptr>, decltype(pop_one)> guard{&data_, pop_one}; named_info_.push_back({arg.name, static_cast(data_.size() - 2u)}); data_[0].value_.named_args = {named_info_.data(), named_info_.size()}; guard.release(); } public: /** \rst Adds an argument into the dynamic store for later passing to a formatting function. Note that custom types and string types (but not string views) are copied into the store dynamically allocating memory if necessary. **Example**:: fmt::dynamic_format_arg_store store; store.push_back(42); store.push_back("abc"); store.push_back(1.5f); std::string result = fmt::vformat("{} and {} and {}", store); \endrst */ template void push_back(const T& arg) { if (detail::const_check(need_copy::value)) emplace_arg(dynamic_args_.push>(arg)); else emplace_arg(detail::unwrap(arg)); } /** \rst Adds a reference to the argument into the dynamic store for later passing to a formatting function. **Example**:: fmt::dynamic_format_arg_store store; char band[] = "Rolling Stones"; store.push_back(std::cref(band)); band[9] = 'c'; // Changing str affects the output. std::string result = fmt::vformat("{}", store); // result == "Rolling Scones" \endrst */ template void push_back(std::reference_wrapper arg) { static_assert( need_copy::value, "objects of built-in types and string views are always copied"); emplace_arg(arg.get()); } /** Adds named argument into the dynamic store for later passing to a formatting function. ``std::reference_wrapper`` is supported to avoid copying of the argument. The name is always copied into the store. */ template void push_back(const detail::named_arg& arg) { const char_type* arg_name = dynamic_args_.push>(arg.name).c_str(); if (detail::const_check(need_copy::value)) { emplace_arg( fmt::arg(arg_name, dynamic_args_.push>(arg.value))); } else { emplace_arg(fmt::arg(arg_name, arg.value)); } } /** Erase all elements from the store */ void clear() { data_.clear(); named_info_.clear(); dynamic_args_ = detail::dynamic_arg_list(); } /** \rst Reserves space to store at least *new_cap* arguments including *new_cap_named* named arguments. \endrst */ void reserve(size_t new_cap, size_t new_cap_named) { FMT_ASSERT(new_cap >= new_cap_named, "Set of arguments includes set of named arguments"); data_.reserve(new_cap); named_info_.reserve(new_cap_named); } }; FMT_END_NAMESPACE #endif // FMT_ARGS_H_ ================================================ FILE: vendor/spdlog/include/spdlog/fmt/bundled/chrono.h ================================================ // Formatting library for C++ - chrono support // // Copyright (c) 2012 - present, Victor Zverovich // All rights reserved. // // For the license information refer to format.h. #ifndef FMT_CHRONO_H_ #define FMT_CHRONO_H_ #include #include #include #include #include #include "format.h" FMT_BEGIN_NAMESPACE // Enable safe chrono durations, unless explicitly disabled. #ifndef FMT_SAFE_DURATION_CAST # define FMT_SAFE_DURATION_CAST 1 #endif #if FMT_SAFE_DURATION_CAST // For conversion between std::chrono::durations without undefined // behaviour or erroneous results. // This is a stripped down version of duration_cast, for inclusion in fmt. // See https://github.com/pauldreik/safe_duration_cast // // Copyright Paul Dreik 2019 namespace safe_duration_cast { template ::value && std::numeric_limits::is_signed == std::numeric_limits::is_signed)> FMT_CONSTEXPR To lossless_integral_conversion(const From from, int& ec) { ec = 0; using F = std::numeric_limits; using T = std::numeric_limits; static_assert(F::is_integer, "From must be integral"); static_assert(T::is_integer, "To must be integral"); // A and B are both signed, or both unsigned. if (F::digits <= T::digits) { // From fits in To without any problem. } else { // From does not always fit in To, resort to a dynamic check. if (from < (T::min)() || from > (T::max)()) { // outside range. ec = 1; return {}; } } return static_cast(from); } /** * converts From to To, without loss. If the dynamic value of from * can't be converted to To without loss, ec is set. */ template ::value && std::numeric_limits::is_signed != std::numeric_limits::is_signed)> FMT_CONSTEXPR To lossless_integral_conversion(const From from, int& ec) { ec = 0; using F = std::numeric_limits; using T = std::numeric_limits; static_assert(F::is_integer, "From must be integral"); static_assert(T::is_integer, "To must be integral"); if (detail::const_check(F::is_signed && !T::is_signed)) { // From may be negative, not allowed! if (fmt::detail::is_negative(from)) { ec = 1; return {}; } // From is positive. Can it always fit in To? if (F::digits > T::digits && from > static_cast(detail::max_value())) { ec = 1; return {}; } } if (!F::is_signed && T::is_signed && F::digits >= T::digits && from > static_cast(detail::max_value())) { ec = 1; return {}; } return static_cast(from); // Lossless conversion. } template ::value)> FMT_CONSTEXPR To lossless_integral_conversion(const From from, int& ec) { ec = 0; return from; } // function // clang-format off /** * converts From to To if possible, otherwise ec is set. * * input | output * ---------------------------------|--------------- * NaN | NaN * Inf | Inf * normal, fits in output | converted (possibly lossy) * normal, does not fit in output | ec is set * subnormal | best effort * -Inf | -Inf */ // clang-format on template ::value)> FMT_CONSTEXPR To safe_float_conversion(const From from, int& ec) { ec = 0; using T = std::numeric_limits; static_assert(std::is_floating_point::value, "From must be floating"); static_assert(std::is_floating_point::value, "To must be floating"); // catch the only happy case if (std::isfinite(from)) { if (from >= T::lowest() && from <= (T::max)()) { return static_cast(from); } // not within range. ec = 1; return {}; } // nan and inf will be preserved return static_cast(from); } // function template ::value)> FMT_CONSTEXPR To safe_float_conversion(const From from, int& ec) { ec = 0; static_assert(std::is_floating_point::value, "From must be floating"); return from; } /** * safe duration cast between integral durations */ template ::value), FMT_ENABLE_IF(std::is_integral::value)> To safe_duration_cast(std::chrono::duration from, int& ec) { using From = std::chrono::duration; ec = 0; // the basic idea is that we need to convert from count() in the from type // to count() in the To type, by multiplying it with this: struct Factor : std::ratio_divide {}; static_assert(Factor::num > 0, "num must be positive"); static_assert(Factor::den > 0, "den must be positive"); // the conversion is like this: multiply from.count() with Factor::num // /Factor::den and convert it to To::rep, all this without // overflow/underflow. let's start by finding a suitable type that can hold // both To, From and Factor::num using IntermediateRep = typename std::common_type::type; // safe conversion to IntermediateRep IntermediateRep count = lossless_integral_conversion(from.count(), ec); if (ec) return {}; // multiply with Factor::num without overflow or underflow if (detail::const_check(Factor::num != 1)) { const auto max1 = detail::max_value() / Factor::num; if (count > max1) { ec = 1; return {}; } const auto min1 = (std::numeric_limits::min)() / Factor::num; if (count < min1) { ec = 1; return {}; } count *= Factor::num; } if (detail::const_check(Factor::den != 1)) count /= Factor::den; auto tocount = lossless_integral_conversion(count, ec); return ec ? To() : To(tocount); } /** * safe duration_cast between floating point durations */ template ::value), FMT_ENABLE_IF(std::is_floating_point::value)> To safe_duration_cast(std::chrono::duration from, int& ec) { using From = std::chrono::duration; ec = 0; if (std::isnan(from.count())) { // nan in, gives nan out. easy. return To{std::numeric_limits::quiet_NaN()}; } // maybe we should also check if from is denormal, and decide what to do about // it. // +-inf should be preserved. if (std::isinf(from.count())) { return To{from.count()}; } // the basic idea is that we need to convert from count() in the from type // to count() in the To type, by multiplying it with this: struct Factor : std::ratio_divide {}; static_assert(Factor::num > 0, "num must be positive"); static_assert(Factor::den > 0, "den must be positive"); // the conversion is like this: multiply from.count() with Factor::num // /Factor::den and convert it to To::rep, all this without // overflow/underflow. let's start by finding a suitable type that can hold // both To, From and Factor::num using IntermediateRep = typename std::common_type::type; // force conversion of From::rep -> IntermediateRep to be safe, // even if it will never happen be narrowing in this context. IntermediateRep count = safe_float_conversion(from.count(), ec); if (ec) { return {}; } // multiply with Factor::num without overflow or underflow if (Factor::num != 1) { constexpr auto max1 = detail::max_value() / static_cast(Factor::num); if (count > max1) { ec = 1; return {}; } constexpr auto min1 = std::numeric_limits::lowest() / static_cast(Factor::num); if (count < min1) { ec = 1; return {}; } count *= static_cast(Factor::num); } // this can't go wrong, right? den>0 is checked earlier. if (Factor::den != 1) { using common_t = typename std::common_type::type; count /= static_cast(Factor::den); } // convert to the to type, safely using ToRep = typename To::rep; const ToRep tocount = safe_float_conversion(count, ec); if (ec) { return {}; } return To{tocount}; } } // namespace safe_duration_cast #endif // Prevents expansion of a preceding token as a function-style macro. // Usage: f FMT_NOMACRO() #define FMT_NOMACRO namespace detail { template struct null {}; inline null<> localtime_r FMT_NOMACRO(...) { return null<>(); } inline null<> localtime_s(...) { return null<>(); } inline null<> gmtime_r(...) { return null<>(); } inline null<> gmtime_s(...) { return null<>(); } inline auto do_write(const std::tm& time, const std::locale& loc, char format, char modifier) -> std::string { auto&& os = std::ostringstream(); os.imbue(loc); using iterator = std::ostreambuf_iterator; const auto& facet = std::use_facet>(loc); auto end = facet.put(os, os, ' ', &time, format, modifier); if (end.failed()) FMT_THROW(format_error("failed to format time")); auto str = os.str(); if (!detail::is_utf8() || loc == std::locale::classic()) return str; // char16_t and char32_t codecvts are broken in MSVC (linkage errors) and // gcc-4. #if FMT_MSC_VER != 0 || \ (defined(__GLIBCXX__) && !defined(_GLIBCXX_USE_DUAL_ABI)) // The _GLIBCXX_USE_DUAL_ABI macro is always defined in libstdc++ from gcc-5 // and newer. using code_unit = wchar_t; #else using code_unit = char32_t; #endif auto& f = std::use_facet>(loc); auto mb = std::mbstate_t(); const char* from_next = nullptr; code_unit* to_next = nullptr; constexpr size_t buf_size = 32; code_unit buf[buf_size] = {}; auto result = f.in(mb, str.data(), str.data() + str.size(), from_next, buf, buf + buf_size, to_next); if (result != std::codecvt_base::ok) FMT_THROW(format_error("failed to format time")); str.clear(); for (code_unit* p = buf; p != to_next; ++p) { uint32_t c = static_cast(*p); if (sizeof(code_unit) == 2 && c >= 0xd800 && c <= 0xdfff) { // surrogate pair ++p; if (p == to_next || (c & 0xfc00) != 0xd800 || (*p & 0xfc00) != 0xdc00) { FMT_THROW(format_error("failed to format time")); } c = (c << 10) + static_cast(*p) - 0x35fdc00; } if (c < 0x80) { str.push_back(static_cast(c)); } else if (c < 0x800) { str.push_back(static_cast(0xc0 | (c >> 6))); str.push_back(static_cast(0x80 | (c & 0x3f))); } else if ((c >= 0x800 && c <= 0xd7ff) || (c >= 0xe000 && c <= 0xffff)) { str.push_back(static_cast(0xe0 | (c >> 12))); str.push_back(static_cast(0x80 | ((c & 0xfff) >> 6))); str.push_back(static_cast(0x80 | (c & 0x3f))); } else if (c >= 0x10000 && c <= 0x10ffff) { str.push_back(static_cast(0xf0 | (c >> 18))); str.push_back(static_cast(0x80 | ((c & 0x3ffff) >> 12))); str.push_back(static_cast(0x80 | ((c & 0xfff) >> 6))); str.push_back(static_cast(0x80 | (c & 0x3f))); } else { FMT_THROW(format_error("failed to format time")); } } return str; } template auto write(OutputIt out, const std::tm& time, const std::locale& loc, char format, char modifier = 0) -> OutputIt { auto str = do_write(time, loc, format, modifier); return std::copy(str.begin(), str.end(), out); } } // namespace detail FMT_MODULE_EXPORT_BEGIN /** Converts given time since epoch as ``std::time_t`` value into calendar time, expressed in local time. Unlike ``std::localtime``, this function is thread-safe on most platforms. */ inline std::tm localtime(std::time_t time) { struct dispatcher { std::time_t time_; std::tm tm_; dispatcher(std::time_t t) : time_(t) {} bool run() { using namespace fmt::detail; return handle(localtime_r(&time_, &tm_)); } bool handle(std::tm* tm) { return tm != nullptr; } bool handle(detail::null<>) { using namespace fmt::detail; return fallback(localtime_s(&tm_, &time_)); } bool fallback(int res) { return res == 0; } #if !FMT_MSC_VER bool fallback(detail::null<>) { using namespace fmt::detail; std::tm* tm = std::localtime(&time_); if (tm) tm_ = *tm; return tm != nullptr; } #endif }; dispatcher lt(time); // Too big time values may be unsupported. if (!lt.run()) FMT_THROW(format_error("time_t value out of range")); return lt.tm_; } inline std::tm localtime( std::chrono::time_point time_point) { return localtime(std::chrono::system_clock::to_time_t(time_point)); } /** Converts given time since epoch as ``std::time_t`` value into calendar time, expressed in Coordinated Universal Time (UTC). Unlike ``std::gmtime``, this function is thread-safe on most platforms. */ inline std::tm gmtime(std::time_t time) { struct dispatcher { std::time_t time_; std::tm tm_; dispatcher(std::time_t t) : time_(t) {} bool run() { using namespace fmt::detail; return handle(gmtime_r(&time_, &tm_)); } bool handle(std::tm* tm) { return tm != nullptr; } bool handle(detail::null<>) { using namespace fmt::detail; return fallback(gmtime_s(&tm_, &time_)); } bool fallback(int res) { return res == 0; } #if !FMT_MSC_VER bool fallback(detail::null<>) { std::tm* tm = std::gmtime(&time_); if (tm) tm_ = *tm; return tm != nullptr; } #endif }; dispatcher gt(time); // Too big time values may be unsupported. if (!gt.run()) FMT_THROW(format_error("time_t value out of range")); return gt.tm_; } inline std::tm gmtime( std::chrono::time_point time_point) { return gmtime(std::chrono::system_clock::to_time_t(time_point)); } FMT_BEGIN_DETAIL_NAMESPACE inline size_t strftime(char* str, size_t count, const char* format, const std::tm* time) { // Assign to a pointer to suppress GCCs -Wformat-nonliteral // First assign the nullptr to suppress -Wsuggest-attribute=format std::size_t (*strftime)(char*, std::size_t, const char*, const std::tm*) = nullptr; strftime = std::strftime; return strftime(str, count, format, time); } inline size_t strftime(wchar_t* str, size_t count, const wchar_t* format, const std::tm* time) { // See above std::size_t (*wcsftime)(wchar_t*, std::size_t, const wchar_t*, const std::tm*) = nullptr; wcsftime = std::wcsftime; return wcsftime(str, count, format, time); } FMT_END_DETAIL_NAMESPACE template struct formatter, Char> : formatter { FMT_CONSTEXPR formatter() { this->specs = {default_specs, sizeof(default_specs) / sizeof(Char)}; } template FMT_CONSTEXPR auto parse(ParseContext& ctx) -> decltype(ctx.begin()) { auto it = ctx.begin(); if (it != ctx.end() && *it == ':') ++it; auto end = it; while (end != ctx.end() && *end != '}') ++end; if (end != it) this->specs = {it, detail::to_unsigned(end - it)}; return end; } template auto format(std::chrono::time_point val, FormatContext& ctx) -> decltype(ctx.out()) { std::tm time = localtime(val); return formatter::format(time, ctx); } static constexpr Char default_specs[] = {'%', 'Y', '-', '%', 'm', '-', '%', 'd', ' ', '%', 'H', ':', '%', 'M', ':', '%', 'S'}; }; template constexpr Char formatter, Char>::default_specs[]; template struct formatter { template FMT_CONSTEXPR auto parse(ParseContext& ctx) -> decltype(ctx.begin()) { auto it = ctx.begin(); if (it != ctx.end() && *it == ':') ++it; auto end = it; while (end != ctx.end() && *end != '}') ++end; specs = {it, detail::to_unsigned(end - it)}; return end; } template auto format(const std::tm& tm, FormatContext& ctx) const -> decltype(ctx.out()) { basic_memory_buffer tm_format; tm_format.append(specs.begin(), specs.end()); // By appending an extra space we can distinguish an empty result that // indicates insufficient buffer size from a guaranteed non-empty result // https://github.com/fmtlib/fmt/issues/2238 tm_format.push_back(' '); tm_format.push_back('\0'); basic_memory_buffer buf; size_t start = buf.size(); for (;;) { size_t size = buf.capacity() - start; size_t count = detail::strftime(&buf[start], size, &tm_format[0], &tm); if (count != 0) { buf.resize(start + count); break; } const size_t MIN_GROWTH = 10; buf.reserve(buf.capacity() + (size > MIN_GROWTH ? size : MIN_GROWTH)); } // Remove the extra space. return std::copy(buf.begin(), buf.end() - 1, ctx.out()); } basic_string_view specs; }; FMT_BEGIN_DETAIL_NAMESPACE template FMT_CONSTEXPR inline const char* get_units() { if (std::is_same::value) return "as"; if (std::is_same::value) return "fs"; if (std::is_same::value) return "ps"; if (std::is_same::value) return "ns"; if (std::is_same::value) return "µs"; if (std::is_same::value) return "ms"; if (std::is_same::value) return "cs"; if (std::is_same::value) return "ds"; if (std::is_same>::value) return "s"; if (std::is_same::value) return "das"; if (std::is_same::value) return "hs"; if (std::is_same::value) return "ks"; if (std::is_same::value) return "Ms"; if (std::is_same::value) return "Gs"; if (std::is_same::value) return "Ts"; if (std::is_same::value) return "Ps"; if (std::is_same::value) return "Es"; if (std::is_same>::value) return "m"; if (std::is_same>::value) return "h"; return nullptr; } enum class numeric_system { standard, // Alternative numeric system, e.g. 十二 instead of 12 in ja_JP locale. alternative }; // Parses a put_time-like format string and invokes handler actions. template FMT_CONSTEXPR const Char* parse_chrono_format(const Char* begin, const Char* end, Handler&& handler) { auto ptr = begin; while (ptr != end) { auto c = *ptr; if (c == '}') break; if (c != '%') { ++ptr; continue; } if (begin != ptr) handler.on_text(begin, ptr); ++ptr; // consume '%' if (ptr == end) FMT_THROW(format_error("invalid format")); c = *ptr++; switch (c) { case '%': handler.on_text(ptr - 1, ptr); break; case 'n': { const Char newline[] = {'\n'}; handler.on_text(newline, newline + 1); break; } case 't': { const Char tab[] = {'\t'}; handler.on_text(tab, tab + 1); break; } // Day of the week: case 'a': handler.on_abbr_weekday(); break; case 'A': handler.on_full_weekday(); break; case 'w': handler.on_dec0_weekday(numeric_system::standard); break; case 'u': handler.on_dec1_weekday(numeric_system::standard); break; // Month: case 'b': handler.on_abbr_month(); break; case 'B': handler.on_full_month(); break; // Hour, minute, second: case 'H': handler.on_24_hour(numeric_system::standard); break; case 'I': handler.on_12_hour(numeric_system::standard); break; case 'M': handler.on_minute(numeric_system::standard); break; case 'S': handler.on_second(numeric_system::standard); break; // Other: case 'c': handler.on_datetime(numeric_system::standard); break; case 'x': handler.on_loc_date(numeric_system::standard); break; case 'X': handler.on_loc_time(numeric_system::standard); break; case 'D': handler.on_us_date(); break; case 'F': handler.on_iso_date(); break; case 'r': handler.on_12_hour_time(); break; case 'R': handler.on_24_hour_time(); break; case 'T': handler.on_iso_time(); break; case 'p': handler.on_am_pm(); break; case 'Q': handler.on_duration_value(); break; case 'q': handler.on_duration_unit(); break; case 'z': handler.on_utc_offset(); break; case 'Z': handler.on_tz_name(); break; // Alternative representation: case 'E': { if (ptr == end) FMT_THROW(format_error("invalid format")); c = *ptr++; switch (c) { case 'c': handler.on_datetime(numeric_system::alternative); break; case 'x': handler.on_loc_date(numeric_system::alternative); break; case 'X': handler.on_loc_time(numeric_system::alternative); break; default: FMT_THROW(format_error("invalid format")); } break; } case 'O': if (ptr == end) FMT_THROW(format_error("invalid format")); c = *ptr++; switch (c) { case 'w': handler.on_dec0_weekday(numeric_system::alternative); break; case 'u': handler.on_dec1_weekday(numeric_system::alternative); break; case 'H': handler.on_24_hour(numeric_system::alternative); break; case 'I': handler.on_12_hour(numeric_system::alternative); break; case 'M': handler.on_minute(numeric_system::alternative); break; case 'S': handler.on_second(numeric_system::alternative); break; default: FMT_THROW(format_error("invalid format")); } break; default: FMT_THROW(format_error("invalid format")); } begin = ptr; } if (begin != ptr) handler.on_text(begin, ptr); return ptr; } template struct null_chrono_spec_handler { FMT_CONSTEXPR void unsupported() { static_cast(this)->unsupported(); } FMT_CONSTEXPR void on_abbr_weekday() { unsupported(); } FMT_CONSTEXPR void on_full_weekday() { unsupported(); } FMT_CONSTEXPR void on_dec0_weekday(numeric_system) { unsupported(); } FMT_CONSTEXPR void on_dec1_weekday(numeric_system) { unsupported(); } FMT_CONSTEXPR void on_abbr_month() { unsupported(); } FMT_CONSTEXPR void on_full_month() { unsupported(); } FMT_CONSTEXPR void on_24_hour(numeric_system) { unsupported(); } FMT_CONSTEXPR void on_12_hour(numeric_system) { unsupported(); } FMT_CONSTEXPR void on_minute(numeric_system) { unsupported(); } FMT_CONSTEXPR void on_second(numeric_system) { unsupported(); } FMT_CONSTEXPR void on_datetime(numeric_system) { unsupported(); } FMT_CONSTEXPR void on_loc_date(numeric_system) { unsupported(); } FMT_CONSTEXPR void on_loc_time(numeric_system) { unsupported(); } FMT_CONSTEXPR void on_us_date() { unsupported(); } FMT_CONSTEXPR void on_iso_date() { unsupported(); } FMT_CONSTEXPR void on_12_hour_time() { unsupported(); } FMT_CONSTEXPR void on_24_hour_time() { unsupported(); } FMT_CONSTEXPR void on_iso_time() { unsupported(); } FMT_CONSTEXPR void on_am_pm() { unsupported(); } FMT_CONSTEXPR void on_duration_value() { unsupported(); } FMT_CONSTEXPR void on_duration_unit() { unsupported(); } FMT_CONSTEXPR void on_utc_offset() { unsupported(); } FMT_CONSTEXPR void on_tz_name() { unsupported(); } }; struct chrono_format_checker : null_chrono_spec_handler { FMT_NORETURN void unsupported() { FMT_THROW(format_error("no date")); } template FMT_CONSTEXPR void on_text(const Char*, const Char*) {} FMT_CONSTEXPR void on_24_hour(numeric_system) {} FMT_CONSTEXPR void on_12_hour(numeric_system) {} FMT_CONSTEXPR void on_minute(numeric_system) {} FMT_CONSTEXPR void on_second(numeric_system) {} FMT_CONSTEXPR void on_12_hour_time() {} FMT_CONSTEXPR void on_24_hour_time() {} FMT_CONSTEXPR void on_iso_time() {} FMT_CONSTEXPR void on_am_pm() {} FMT_CONSTEXPR void on_duration_value() {} FMT_CONSTEXPR void on_duration_unit() {} }; template ::value)> inline bool isnan(T) { return false; } template ::value)> inline bool isnan(T value) { return std::isnan(value); } template ::value)> inline bool isfinite(T) { return true; } template ::value)> inline bool isfinite(T value) { return std::isfinite(value); } // Converts value to int and checks that it's in the range [0, upper). template ::value)> inline int to_nonnegative_int(T value, int upper) { FMT_ASSERT(value >= 0 && to_unsigned(value) <= to_unsigned(upper), "invalid value"); (void)upper; return static_cast(value); } template ::value)> inline int to_nonnegative_int(T value, int upper) { FMT_ASSERT( std::isnan(value) || (value >= 0 && value <= static_cast(upper)), "invalid value"); (void)upper; return static_cast(value); } template ::value)> inline T mod(T x, int y) { return x % static_cast(y); } template ::value)> inline T mod(T x, int y) { return std::fmod(x, static_cast(y)); } // If T is an integral type, maps T to its unsigned counterpart, otherwise // leaves it unchanged (unlike std::make_unsigned). template ::value> struct make_unsigned_or_unchanged { using type = T; }; template struct make_unsigned_or_unchanged { using type = typename std::make_unsigned::type; }; #if FMT_SAFE_DURATION_CAST // throwing version of safe_duration_cast template To fmt_safe_duration_cast(std::chrono::duration from) { int ec; To to = safe_duration_cast::safe_duration_cast(from, ec); if (ec) FMT_THROW(format_error("cannot format duration")); return to; } #endif template ::value)> inline std::chrono::duration get_milliseconds( std::chrono::duration d) { // this may overflow and/or the result may not fit in the // target type. #if FMT_SAFE_DURATION_CAST using CommonSecondsType = typename std::common_type::type; const auto d_as_common = fmt_safe_duration_cast(d); const auto d_as_whole_seconds = fmt_safe_duration_cast(d_as_common); // this conversion should be nonproblematic const auto diff = d_as_common - d_as_whole_seconds; const auto ms = fmt_safe_duration_cast>(diff); return ms; #else auto s = std::chrono::duration_cast(d); return std::chrono::duration_cast(d - s); #endif } template ::value)> inline std::chrono::duration get_milliseconds( std::chrono::duration d) { using common_type = typename std::common_type::type; auto ms = mod(d.count() * static_cast(Period::num) / static_cast(Period::den) * 1000, 1000); return std::chrono::duration(static_cast(ms)); } template ::value)> OutputIt format_duration_value(OutputIt out, Rep val, int) { return write(out, val); } template ::value)> OutputIt format_duration_value(OutputIt out, Rep val, int precision) { auto specs = basic_format_specs(); specs.precision = precision; specs.type = precision > 0 ? 'f' : 'g'; return write(out, val, specs); } template OutputIt copy_unit(string_view unit, OutputIt out, Char) { return std::copy(unit.begin(), unit.end(), out); } template OutputIt copy_unit(string_view unit, OutputIt out, wchar_t) { // This works when wchar_t is UTF-32 because units only contain characters // that have the same representation in UTF-16 and UTF-32. utf8_to_utf16 u(unit); return std::copy(u.c_str(), u.c_str() + u.size(), out); } template OutputIt format_duration_unit(OutputIt out) { if (const char* unit = get_units()) return copy_unit(string_view(unit), out, Char()); *out++ = '['; out = write(out, Period::num); if (const_check(Period::den != 1)) { *out++ = '/'; out = write(out, Period::den); } *out++ = ']'; *out++ = 's'; return out; } template struct chrono_formatter { FormatContext& context; OutputIt out; int precision; bool localized = false; // rep is unsigned to avoid overflow. using rep = conditional_t::value && sizeof(Rep) < sizeof(int), unsigned, typename make_unsigned_or_unchanged::type>; rep val; using seconds = std::chrono::duration; seconds s; using milliseconds = std::chrono::duration; bool negative; using char_type = typename FormatContext::char_type; explicit chrono_formatter(FormatContext& ctx, OutputIt o, std::chrono::duration d) : context(ctx), out(o), val(static_cast(d.count())), negative(false) { if (d.count() < 0) { val = 0 - val; negative = true; } // this may overflow and/or the result may not fit in the // target type. #if FMT_SAFE_DURATION_CAST // might need checked conversion (rep!=Rep) auto tmpval = std::chrono::duration(val); s = fmt_safe_duration_cast(tmpval); #else s = std::chrono::duration_cast( std::chrono::duration(val)); #endif } // returns true if nan or inf, writes to out. bool handle_nan_inf() { if (isfinite(val)) { return false; } if (isnan(val)) { write_nan(); return true; } // must be +-inf if (val > 0) { write_pinf(); } else { write_ninf(); } return true; } Rep hour() const { return static_cast(mod((s.count() / 3600), 24)); } Rep hour12() const { Rep hour = static_cast(mod((s.count() / 3600), 12)); return hour <= 0 ? 12 : hour; } Rep minute() const { return static_cast(mod((s.count() / 60), 60)); } Rep second() const { return static_cast(mod(s.count(), 60)); } std::tm time() const { auto time = std::tm(); time.tm_hour = to_nonnegative_int(hour(), 24); time.tm_min = to_nonnegative_int(minute(), 60); time.tm_sec = to_nonnegative_int(second(), 60); return time; } void write_sign() { if (negative) { *out++ = '-'; negative = false; } } void write(Rep value, int width) { write_sign(); if (isnan(value)) return write_nan(); uint32_or_64_or_128_t n = to_unsigned(to_nonnegative_int(value, max_value())); int num_digits = detail::count_digits(n); if (width > num_digits) out = std::fill_n(out, width - num_digits, '0'); out = format_decimal(out, n, num_digits).end; } void write_nan() { std::copy_n("nan", 3, out); } void write_pinf() { std::copy_n("inf", 3, out); } void write_ninf() { std::copy_n("-inf", 4, out); } void format_localized(const tm& time, char format, char modifier = 0) { if (isnan(val)) return write_nan(); const auto& loc = localized ? context.locale().template get() : std::locale::classic(); out = detail::write(out, time, loc, format, modifier); } void on_text(const char_type* begin, const char_type* end) { std::copy(begin, end, out); } // These are not implemented because durations don't have date information. void on_abbr_weekday() {} void on_full_weekday() {} void on_dec0_weekday(numeric_system) {} void on_dec1_weekday(numeric_system) {} void on_abbr_month() {} void on_full_month() {} void on_datetime(numeric_system) {} void on_loc_date(numeric_system) {} void on_loc_time(numeric_system) {} void on_us_date() {} void on_iso_date() {} void on_utc_offset() {} void on_tz_name() {} void on_24_hour(numeric_system ns) { if (handle_nan_inf()) return; if (ns == numeric_system::standard) return write(hour(), 2); auto time = tm(); time.tm_hour = to_nonnegative_int(hour(), 24); format_localized(time, 'H', 'O'); } void on_12_hour(numeric_system ns) { if (handle_nan_inf()) return; if (ns == numeric_system::standard) return write(hour12(), 2); auto time = tm(); time.tm_hour = to_nonnegative_int(hour12(), 12); format_localized(time, 'I', 'O'); } void on_minute(numeric_system ns) { if (handle_nan_inf()) return; if (ns == numeric_system::standard) return write(minute(), 2); auto time = tm(); time.tm_min = to_nonnegative_int(minute(), 60); format_localized(time, 'M', 'O'); } void on_second(numeric_system ns) { if (handle_nan_inf()) return; if (ns == numeric_system::standard) { write(second(), 2); #if FMT_SAFE_DURATION_CAST // convert rep->Rep using duration_rep = std::chrono::duration; using duration_Rep = std::chrono::duration; auto tmpval = fmt_safe_duration_cast(duration_rep{val}); #else auto tmpval = std::chrono::duration(val); #endif auto ms = get_milliseconds(tmpval); if (ms != std::chrono::milliseconds(0)) { *out++ = '.'; write(ms.count(), 3); } return; } auto time = tm(); time.tm_sec = to_nonnegative_int(second(), 60); format_localized(time, 'S', 'O'); } void on_12_hour_time() { if (handle_nan_inf()) return; format_localized(time(), 'r'); } void on_24_hour_time() { if (handle_nan_inf()) { *out++ = ':'; handle_nan_inf(); return; } write(hour(), 2); *out++ = ':'; write(minute(), 2); } void on_iso_time() { on_24_hour_time(); *out++ = ':'; if (handle_nan_inf()) return; write(second(), 2); } void on_am_pm() { if (handle_nan_inf()) return; format_localized(time(), 'p'); } void on_duration_value() { if (handle_nan_inf()) return; write_sign(); out = format_duration_value(out, val, precision); } void on_duration_unit() { out = format_duration_unit(out); } }; FMT_END_DETAIL_NAMESPACE #if defined(__cpp_lib_chrono) && __cpp_lib_chrono >= 201907 using weekday = std::chrono::weekday; #else // A fallback version of weekday. class weekday { private: unsigned char value; public: weekday() = default; explicit constexpr weekday(unsigned wd) noexcept : value(static_cast(wd != 7 ? wd : 0)) {} constexpr unsigned c_encoding() const noexcept { return value; } }; #endif // A rudimentary weekday formatter. template <> struct formatter { private: bool localized = false; public: FMT_CONSTEXPR auto parse(format_parse_context& ctx) -> decltype(ctx.begin()) { auto begin = ctx.begin(), end = ctx.end(); if (begin != end && *begin == 'L') { ++begin; localized = true; } return begin; } auto format(weekday wd, format_context& ctx) -> decltype(ctx.out()) { auto time = std::tm(); time.tm_wday = static_cast(wd.c_encoding()); const auto& loc = localized ? ctx.locale().template get() : std::locale::classic(); return detail::write(ctx.out(), time, loc, 'a'); } }; template struct formatter, Char> { private: basic_format_specs specs; int precision = -1; using arg_ref_type = detail::arg_ref; arg_ref_type width_ref; arg_ref_type precision_ref; bool localized = false; basic_string_view format_str; using duration = std::chrono::duration; struct spec_handler { formatter& f; basic_format_parse_context& context; basic_string_view format_str; template FMT_CONSTEXPR arg_ref_type make_arg_ref(Id arg_id) { context.check_arg_id(arg_id); return arg_ref_type(arg_id); } FMT_CONSTEXPR arg_ref_type make_arg_ref(basic_string_view arg_id) { context.check_arg_id(arg_id); return arg_ref_type(arg_id); } FMT_CONSTEXPR arg_ref_type make_arg_ref(detail::auto_id) { return arg_ref_type(context.next_arg_id()); } void on_error(const char* msg) { FMT_THROW(format_error(msg)); } FMT_CONSTEXPR void on_fill(basic_string_view fill) { f.specs.fill = fill; } FMT_CONSTEXPR void on_align(align_t align) { f.specs.align = align; } FMT_CONSTEXPR void on_width(int width) { f.specs.width = width; } FMT_CONSTEXPR void on_precision(int _precision) { f.precision = _precision; } FMT_CONSTEXPR void end_precision() {} template FMT_CONSTEXPR void on_dynamic_width(Id arg_id) { f.width_ref = make_arg_ref(arg_id); } template FMT_CONSTEXPR void on_dynamic_precision(Id arg_id) { f.precision_ref = make_arg_ref(arg_id); } }; using iterator = typename basic_format_parse_context::iterator; struct parse_range { iterator begin; iterator end; }; FMT_CONSTEXPR parse_range do_parse(basic_format_parse_context& ctx) { auto begin = ctx.begin(), end = ctx.end(); if (begin == end || *begin == '}') return {begin, begin}; spec_handler handler{*this, ctx, format_str}; begin = detail::parse_align(begin, end, handler); if (begin == end) return {begin, begin}; begin = detail::parse_width(begin, end, handler); if (begin == end) return {begin, begin}; if (*begin == '.') { if (std::is_floating_point::value) begin = detail::parse_precision(begin, end, handler); else handler.on_error("precision not allowed for this argument type"); } if (begin != end && *begin == 'L') { ++begin; localized = true; } end = parse_chrono_format(begin, end, detail::chrono_format_checker()); return {begin, end}; } public: FMT_CONSTEXPR auto parse(basic_format_parse_context& ctx) -> decltype(ctx.begin()) { auto range = do_parse(ctx); format_str = basic_string_view( &*range.begin, detail::to_unsigned(range.end - range.begin)); return range.end; } template auto format(const duration& d, FormatContext& ctx) const -> decltype(ctx.out()) { auto specs_copy = specs; auto precision_copy = precision; auto begin = format_str.begin(), end = format_str.end(); // As a possible future optimization, we could avoid extra copying if width // is not specified. basic_memory_buffer buf; auto out = std::back_inserter(buf); detail::handle_dynamic_spec(specs_copy.width, width_ref, ctx); detail::handle_dynamic_spec(precision_copy, precision_ref, ctx); if (begin == end || *begin == '}') { out = detail::format_duration_value(out, d.count(), precision_copy); detail::format_duration_unit(out); } else { detail::chrono_formatter f( ctx, out, d); f.precision = precision_copy; f.localized = localized; detail::parse_chrono_format(begin, end, f); } return detail::write( ctx.out(), basic_string_view(buf.data(), buf.size()), specs_copy); } }; FMT_MODULE_EXPORT_END FMT_END_NAMESPACE #endif // FMT_CHRONO_H_ ================================================ FILE: vendor/spdlog/include/spdlog/fmt/bundled/color.h ================================================ // 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" // __declspec(deprecated) is broken in some MSVC versions. #if FMT_MSC_VER # define FMT_DEPRECATED_NONMSVC #else # define FMT_DEPRECATED_NONMSVC FMT_DEPRECATED #endif FMT_BEGIN_NAMESPACE FMT_MODULE_EXPORT_BEGIN 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 enum class terminal_color : uint8_t { black = 30, red, green, yellow, blue, magenta, cyan, white, bright_black = 90, bright_red, bright_green, bright_yellow, bright_blue, bright_magenta, bright_cyan, bright_white }; enum class emphasis : uint8_t { bold = 1, italic = 1 << 1, underline = 1 << 2, strikethrough = 1 << 3 }; // rgb is a struct for red, green and blue colors. // Using the name "rgb" makes some editors show the color in a tooltip. struct rgb { FMT_CONSTEXPR rgb() : r(0), g(0), b(0) {} FMT_CONSTEXPR rgb(uint8_t r_, uint8_t g_, uint8_t b_) : r(r_), g(g_), b(b_) {} FMT_CONSTEXPR rgb(uint32_t hex) : r((hex >> 16) & 0xFF), g((hex >> 8) & 0xFF), b(hex & 0xFF) {} FMT_CONSTEXPR 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; }; FMT_BEGIN_DETAIL_NAMESPACE // color is a struct of either a rgb color or a terminal color. struct color_type { FMT_CONSTEXPR color_type() FMT_NOEXCEPT : is_rgb(), value{} {} FMT_CONSTEXPR color_type(color rgb_color) FMT_NOEXCEPT : is_rgb(true), value{} { value.rgb_color = static_cast(rgb_color); } FMT_CONSTEXPR color_type(rgb rgb_color) FMT_NOEXCEPT : is_rgb(true), value{} { value.rgb_color = (static_cast(rgb_color.r) << 16) | (static_cast(rgb_color.g) << 8) | rgb_color.b; } FMT_CONSTEXPR color_type(terminal_color term_color) FMT_NOEXCEPT : is_rgb(), value{} { value.term_color = static_cast(term_color); } bool is_rgb; union color_union { uint8_t term_color; uint32_t rgb_color; } value; }; FMT_END_DETAIL_NAMESPACE /** A text style consisting of foreground and background colors and emphasis. */ class text_style { public: FMT_CONSTEXPR text_style(emphasis em = emphasis()) FMT_NOEXCEPT : set_foreground_color(), set_background_color(), ems(em) {} FMT_CONSTEXPR text_style& operator|=(const text_style& rhs) { if (!set_foreground_color) { set_foreground_color = rhs.set_foreground_color; foreground_color = rhs.foreground_color; } else if (rhs.set_foreground_color) { if (!foreground_color.is_rgb || !rhs.foreground_color.is_rgb) FMT_THROW(format_error("can't OR a terminal color")); foreground_color.value.rgb_color |= rhs.foreground_color.value.rgb_color; } if (!set_background_color) { set_background_color = rhs.set_background_color; background_color = rhs.background_color; } else if (rhs.set_background_color) { if (!background_color.is_rgb || !rhs.background_color.is_rgb) FMT_THROW(format_error("can't OR a terminal color")); background_color.value.rgb_color |= rhs.background_color.value.rgb_color; } ems = static_cast(static_cast(ems) | static_cast(rhs.ems)); return *this; } friend FMT_CONSTEXPR text_style operator|(text_style lhs, const text_style& rhs) { return lhs |= rhs; } FMT_DEPRECATED_NONMSVC FMT_CONSTEXPR text_style& operator&=( const text_style& rhs) { return and_assign(rhs); } FMT_DEPRECATED_NONMSVC friend FMT_CONSTEXPR text_style operator&(text_style lhs, const text_style& rhs) { return lhs.and_assign(rhs); } FMT_CONSTEXPR bool has_foreground() const FMT_NOEXCEPT { return set_foreground_color; } FMT_CONSTEXPR bool has_background() const FMT_NOEXCEPT { return set_background_color; } FMT_CONSTEXPR bool has_emphasis() const FMT_NOEXCEPT { return static_cast(ems) != 0; } FMT_CONSTEXPR detail::color_type get_foreground() const FMT_NOEXCEPT { FMT_ASSERT(has_foreground(), "no foreground specified for this style"); return foreground_color; } FMT_CONSTEXPR detail::color_type get_background() const FMT_NOEXCEPT { FMT_ASSERT(has_background(), "no background specified for this style"); return background_color; } FMT_CONSTEXPR emphasis get_emphasis() const FMT_NOEXCEPT { FMT_ASSERT(has_emphasis(), "no emphasis specified for this style"); return ems; } private: FMT_CONSTEXPR text_style(bool is_foreground, detail::color_type text_color) FMT_NOEXCEPT : set_foreground_color(), set_background_color(), ems() { if (is_foreground) { foreground_color = text_color; set_foreground_color = true; } else { background_color = text_color; set_background_color = true; } } // DEPRECATED! FMT_CONSTEXPR text_style& and_assign(const text_style& rhs) { if (!set_foreground_color) { set_foreground_color = rhs.set_foreground_color; foreground_color = rhs.foreground_color; } else if (rhs.set_foreground_color) { if (!foreground_color.is_rgb || !rhs.foreground_color.is_rgb) FMT_THROW(format_error("can't AND a terminal color")); foreground_color.value.rgb_color &= rhs.foreground_color.value.rgb_color; } if (!set_background_color) { set_background_color = rhs.set_background_color; background_color = rhs.background_color; } else if (rhs.set_background_color) { if (!background_color.is_rgb || !rhs.background_color.is_rgb) FMT_THROW(format_error("can't AND a terminal color")); background_color.value.rgb_color &= rhs.background_color.value.rgb_color; } ems = static_cast(static_cast(ems) & static_cast(rhs.ems)); return *this; } friend FMT_CONSTEXPR_DECL text_style fg(detail::color_type foreground) FMT_NOEXCEPT; friend FMT_CONSTEXPR_DECL text_style bg(detail::color_type background) FMT_NOEXCEPT; detail::color_type foreground_color; detail::color_type background_color; bool set_foreground_color; bool set_background_color; emphasis ems; }; /** Creates a text style from the foreground (text) color. */ FMT_CONSTEXPR inline text_style fg(detail::color_type foreground) FMT_NOEXCEPT { return text_style(true, foreground); } /** Creates a text style from the background color. */ FMT_CONSTEXPR inline text_style bg(detail::color_type background) FMT_NOEXCEPT { return text_style(false, background); } FMT_CONSTEXPR inline text_style operator|(emphasis lhs, emphasis rhs) FMT_NOEXCEPT { return text_style(lhs) | rhs; } FMT_BEGIN_DETAIL_NAMESPACE template struct ansi_color_escape { FMT_CONSTEXPR ansi_color_escape(detail::color_type text_color, const char* esc) FMT_NOEXCEPT { // If we have a terminal color, we need to output another escape code // sequence. if (!text_color.is_rgb) { bool is_background = esc == string_view("\x1b[48;2;"); uint32_t value = text_color.value.term_color; // Background ASCII codes are the same as the foreground ones but with // 10 more. if (is_background) value += 10u; size_t index = 0; buffer[index++] = static_cast('\x1b'); buffer[index++] = static_cast('['); if (value >= 100u) { buffer[index++] = static_cast('1'); value %= 100u; } buffer[index++] = static_cast('0' + value / 10u); buffer[index++] = static_cast('0' + value % 10u); buffer[index++] = static_cast('m'); buffer[index++] = static_cast('\0'); return; } for (int i = 0; i < 7; i++) { buffer[i] = static_cast(esc[i]); } rgb color(text_color.value.rgb_color); to_esc(color.r, buffer + 7, ';'); to_esc(color.g, buffer + 11, ';'); to_esc(color.b, buffer + 15, 'm'); buffer[19] = static_cast(0); } FMT_CONSTEXPR ansi_color_escape(emphasis em) FMT_NOEXCEPT { uint8_t em_codes[4] = {}; uint8_t em_bits = static_cast(em); if (em_bits & static_cast(emphasis::bold)) em_codes[0] = 1; if (em_bits & static_cast(emphasis::italic)) em_codes[1] = 3; if (em_bits & static_cast(emphasis::underline)) em_codes[2] = 4; if (em_bits & static_cast(emphasis::strikethrough)) em_codes[3] = 9; size_t index = 0; for (int i = 0; i < 4; ++i) { if (!em_codes[i]) continue; buffer[index++] = static_cast('\x1b'); buffer[index++] = static_cast('['); buffer[index++] = static_cast('0' + em_codes[i]); buffer[index++] = static_cast('m'); } buffer[index++] = static_cast(0); } FMT_CONSTEXPR operator const Char*() const FMT_NOEXCEPT { return buffer; } FMT_CONSTEXPR const Char* begin() const FMT_NOEXCEPT { return buffer; } FMT_CONSTEXPR_CHAR_TRAITS const Char* end() const FMT_NOEXCEPT { return buffer + std::char_traits::length(buffer); } private: Char buffer[7u + 3u * 4u + 1u]; static FMT_CONSTEXPR void to_esc(uint8_t c, Char* out, char delimiter) FMT_NOEXCEPT { out[0] = static_cast('0' + c / 100); out[1] = static_cast('0' + c / 10 % 10); out[2] = static_cast('0' + c % 10); out[3] = static_cast(delimiter); } }; template FMT_CONSTEXPR ansi_color_escape make_foreground_color( detail::color_type foreground) FMT_NOEXCEPT { return ansi_color_escape(foreground, "\x1b[38;2;"); } template FMT_CONSTEXPR ansi_color_escape make_background_color( detail::color_type background) FMT_NOEXCEPT { return ansi_color_escape(background, "\x1b[48;2;"); } template FMT_CONSTEXPR ansi_color_escape make_emphasis(emphasis em) FMT_NOEXCEPT { return ansi_color_escape(em); } template inline void fputs(const Char* chars, FILE* stream) FMT_NOEXCEPT { std::fputs(chars, stream); } template <> inline void fputs(const wchar_t* chars, FILE* stream) FMT_NOEXCEPT { std::fputws(chars, stream); } template inline void reset_color(FILE* stream) FMT_NOEXCEPT { fputs("\x1b[0m", stream); } template <> inline void reset_color(FILE* stream) FMT_NOEXCEPT { fputs(L"\x1b[0m", stream); } template inline void reset_color(buffer& buffer) FMT_NOEXCEPT { auto reset_color = string_view("\x1b[0m"); buffer.append(reset_color.begin(), reset_color.end()); } template void vformat_to(buffer& buf, const text_style& ts, basic_string_view format_str, basic_format_args>> args) { bool has_style = false; if (ts.has_emphasis()) { has_style = true; auto emphasis = detail::make_emphasis(ts.get_emphasis()); buf.append(emphasis.begin(), emphasis.end()); } if (ts.has_foreground()) { has_style = true; auto foreground = detail::make_foreground_color(ts.get_foreground()); buf.append(foreground.begin(), foreground.end()); } if (ts.has_background()) { has_style = true; auto background = detail::make_background_color(ts.get_background()); buf.append(background.begin(), background.end()); } detail::vformat_to(buf, format_str, args); if (has_style) detail::reset_color(buf); } FMT_END_DETAIL_NAMESPACE template > void vprint(std::FILE* f, const text_style& ts, const S& format, basic_format_args>> args) { basic_memory_buffer buf; detail::vformat_to(buf, ts, to_string_view(format), args); buf.push_back(Char(0)); detail::fputs(buf.data(), f); } /** \rst Formats a string and prints it to the specified file stream using ANSI escape sequences to specify text formatting. **Example**:: fmt::print(fmt::emphasis::bold | fg(fmt::color::red), "Elapsed time: {0:.2f} seconds", 1.23); \endrst */ template ::value)> void print(std::FILE* f, const text_style& ts, const S& format_str, const Args&... args) { vprint(f, ts, format_str, fmt::make_args_checked(format_str, args...)); } /** \rst Formats a string and prints it to stdout using ANSI escape sequences to specify text formatting. **Example**:: fmt::print(fmt::emphasis::bold | fg(fmt::color::red), "Elapsed time: {0:.2f} seconds", 1.23); \endrst */ template ::value)> void print(const text_style& ts, const S& format_str, const Args&... args) { return print(stdout, ts, format_str, args...); } template > inline std::basic_string vformat( const text_style& ts, const S& format_str, basic_format_args>> args) { basic_memory_buffer buf; detail::vformat_to(buf, ts, to_string_view(format_str), args); return fmt::to_string(buf); } /** \rst Formats arguments and returns the result as a string using ANSI escape sequences to specify text formatting. **Example**:: #include std::string message = fmt::format(fmt::emphasis::bold | fg(fmt::color::red), "The answer is {}", 42); \endrst */ template > inline std::basic_string format(const text_style& ts, const S& format_str, const Args&... args) { return fmt::vformat(ts, to_string_view(format_str), fmt::make_args_checked(format_str, args...)); } /** Formats a string with the given text_style and writes the output to ``out``. */ template ::value)> OutputIt vformat_to( OutputIt out, const text_style& ts, basic_string_view format_str, basic_format_args>> args) { auto&& buf = detail::get_buffer(out); detail::vformat_to(buf, ts, format_str, args); return detail::get_iterator(buf); } /** \rst Formats arguments with the given text_style, writes the result to the output iterator ``out`` and returns the iterator past the end of the output range. **Example**:: std::vector out; fmt::format_to(std::back_inserter(out), fmt::emphasis::bold | fg(fmt::color::red), "{}", 42); \endrst */ template >::value&& detail::is_string::value> inline auto format_to(OutputIt out, const text_style& ts, const S& format_str, Args&&... args) -> typename std::enable_if::type { return vformat_to(out, ts, to_string_view(format_str), fmt::make_args_checked(format_str, args...)); } FMT_MODULE_EXPORT_END FMT_END_NAMESPACE #endif // FMT_COLOR_H_ ================================================ FILE: vendor/spdlog/include/spdlog/fmt/bundled/compile.h ================================================ // Formatting library for C++ - experimental format string compilation // // Copyright (c) 2012 - present, Victor Zverovich and fmt contributors // All rights reserved. // // For the license information refer to format.h. #ifndef FMT_COMPILE_H_ #define FMT_COMPILE_H_ #include "format.h" FMT_BEGIN_NAMESPACE namespace detail { // An output iterator that counts the number of objects written to it and // discards them. class counting_iterator { private: size_t count_; public: using iterator_category = std::output_iterator_tag; using difference_type = std::ptrdiff_t; using pointer = void; using reference = void; using _Unchecked_type = counting_iterator; // Mark iterator as checked. struct value_type { template void operator=(const T&) {} }; counting_iterator() : count_(0) {} size_t count() const { return count_; } counting_iterator& operator++() { ++count_; return *this; } counting_iterator operator++(int) { auto it = *this; ++*this; return it; } friend counting_iterator operator+(counting_iterator it, difference_type n) { it.count_ += static_cast(n); return it; } value_type operator*() const { return {}; } }; template inline counting_iterator copy_str(InputIt begin, InputIt end, counting_iterator it) { return it + (end - begin); } template class truncating_iterator_base { protected: OutputIt out_; size_t limit_; size_t count_ = 0; truncating_iterator_base() : out_(), limit_(0) {} truncating_iterator_base(OutputIt out, size_t limit) : out_(out), limit_(limit) {} public: using iterator_category = std::output_iterator_tag; using value_type = typename std::iterator_traits::value_type; using difference_type = std::ptrdiff_t; using pointer = void; using reference = void; using _Unchecked_type = truncating_iterator_base; // Mark iterator as checked. OutputIt base() const { return out_; } size_t count() const { return count_; } }; // An output iterator that truncates the output and counts the number of objects // written to it. template ::value_type>::type> class truncating_iterator; template class truncating_iterator : public truncating_iterator_base { mutable typename truncating_iterator_base::value_type blackhole_; public: using value_type = typename truncating_iterator_base::value_type; truncating_iterator() = default; truncating_iterator(OutputIt out, size_t limit) : truncating_iterator_base(out, limit) {} truncating_iterator& operator++() { if (this->count_++ < this->limit_) ++this->out_; return *this; } truncating_iterator operator++(int) { auto it = *this; ++*this; return it; } value_type& operator*() const { return this->count_ < this->limit_ ? *this->out_ : blackhole_; } }; template class truncating_iterator : public truncating_iterator_base { public: truncating_iterator() = default; truncating_iterator(OutputIt out, size_t limit) : truncating_iterator_base(out, limit) {} template truncating_iterator& operator=(T val) { if (this->count_++ < this->limit_) *this->out_++ = val; return *this; } truncating_iterator& operator++() { return *this; } truncating_iterator& operator++(int) { return *this; } truncating_iterator& operator*() { return *this; } }; // A compile-time string which is compiled into fast formatting code. class compiled_string {}; template struct is_compiled_string : std::is_base_of {}; /** \rst Converts a string literal *s* into a format string that will be parsed at compile time and converted into efficient formatting code. Requires C++17 ``constexpr if`` compiler support. **Example**:: // Converts 42 into std::string using the most efficient method and no // runtime format string processing. std::string s = fmt::format(FMT_COMPILE("{}"), 42); \endrst */ #ifdef __cpp_if_constexpr # define FMT_COMPILE(s) \ FMT_STRING_IMPL(s, fmt::detail::compiled_string, explicit) #else # define FMT_COMPILE(s) FMT_STRING(s) #endif #if FMT_USE_NONTYPE_TEMPLATE_PARAMETERS template Str> struct udl_compiled_string : compiled_string { using char_type = Char; constexpr operator basic_string_view() const { return {Str.data, N - 1}; } }; #endif template const T& first(const T& value, const Tail&...) { return value; } #ifdef __cpp_if_constexpr template struct type_list {}; // Returns a reference to the argument at index N from [first, rest...]. template constexpr const auto& get([[maybe_unused]] const T& first, [[maybe_unused]] const Args&... rest) { static_assert(N < 1 + sizeof...(Args), "index is out of bounds"); if constexpr (N == 0) return first; else return get(rest...); } template constexpr int get_arg_index_by_name(basic_string_view name, type_list) { return get_arg_index_by_name(name); } template struct get_type_impl; template struct get_type_impl> { using type = remove_cvref_t(std::declval()...))>; }; template using get_type = typename get_type_impl::type; template struct is_compiled_format : std::false_type {}; template struct text { basic_string_view data; using char_type = Char; template constexpr OutputIt format(OutputIt out, const Args&...) const { return write(out, data); } }; template struct is_compiled_format> : std::true_type {}; template constexpr text make_text(basic_string_view s, size_t pos, size_t size) { return {{&s[pos], size}}; } template struct code_unit { Char value; using char_type = Char; template constexpr OutputIt format(OutputIt out, const Args&...) const { return write(out, value); } }; // This ensures that the argument type is convertible to `const T&`. template constexpr const T& get_arg_checked(const Args&... args) { const auto& arg = get(args...); if constexpr (detail::is_named_arg>()) { return arg.value; } else { return arg; } } template struct is_compiled_format> : std::true_type {}; // A replacement field that refers to argument N. template struct field { using char_type = Char; template constexpr OutputIt format(OutputIt out, const Args&... args) const { return write(out, get_arg_checked(args...)); } }; template struct is_compiled_format> : std::true_type {}; // A replacement field that refers to argument with name. template struct runtime_named_field { using char_type = Char; basic_string_view name; template constexpr static bool try_format_argument( OutputIt& out, // [[maybe_unused]] due to unused-but-set-parameter warning in GCC 7,8,9 [[maybe_unused]] basic_string_view arg_name, const T& arg) { if constexpr (is_named_arg::type>::value) { if (arg_name == arg.name) { out = write(out, arg.value); return true; } } return false; } template constexpr OutputIt format(OutputIt out, const Args&... args) const { bool found = (try_format_argument(out, name, args) || ...); if (!found) { throw format_error("argument with specified name is not found"); } return out; } }; template struct is_compiled_format> : std::true_type {}; // A replacement field that refers to argument N and has format specifiers. template struct spec_field { using char_type = Char; formatter fmt; template constexpr FMT_INLINE OutputIt format(OutputIt out, const Args&... args) const { const auto& vargs = fmt::make_format_args>(args...); basic_format_context ctx(out, vargs); return fmt.format(get_arg_checked(args...), ctx); } }; template struct is_compiled_format> : std::true_type {}; template struct concat { L lhs; R rhs; using char_type = typename L::char_type; template constexpr OutputIt format(OutputIt out, const Args&... args) const { out = lhs.format(out, args...); return rhs.format(out, args...); } }; template struct is_compiled_format> : std::true_type {}; template constexpr concat make_concat(L lhs, R rhs) { return {lhs, rhs}; } struct unknown_format {}; template constexpr size_t parse_text(basic_string_view str, size_t pos) { for (size_t size = str.size(); pos != size; ++pos) { if (str[pos] == '{' || str[pos] == '}') break; } return pos; } template constexpr auto compile_format_string(S format_str); template constexpr auto parse_tail(T head, S format_str) { if constexpr (POS != basic_string_view(format_str).size()) { constexpr auto tail = compile_format_string(format_str); if constexpr (std::is_same, unknown_format>()) return tail; else return make_concat(head, tail); } else { return head; } } template struct parse_specs_result { formatter fmt; size_t end; int next_arg_id; }; constexpr int manual_indexing_id = -1; template constexpr parse_specs_result parse_specs(basic_string_view str, size_t pos, int next_arg_id) { str.remove_prefix(pos); auto ctx = basic_format_parse_context(str, {}, next_arg_id); auto f = formatter(); auto end = f.parse(ctx); return {f, pos + fmt::detail::to_unsigned(end - str.data()) + 1, next_arg_id == 0 ? manual_indexing_id : ctx.next_arg_id()}; } template struct arg_id_handler { arg_ref arg_id; constexpr int operator()() { FMT_ASSERT(false, "handler cannot be used with automatic indexing"); return 0; } constexpr int operator()(int id) { arg_id = arg_ref(id); return 0; } constexpr int operator()(basic_string_view id) { arg_id = arg_ref(id); return 0; } constexpr void on_error(const char* message) { throw format_error(message); } }; template struct parse_arg_id_result { arg_ref arg_id; const Char* arg_id_end; }; template constexpr auto parse_arg_id(const Char* begin, const Char* end) { auto handler = arg_id_handler{arg_ref{}}; auto arg_id_end = parse_arg_id(begin, end, handler); return parse_arg_id_result{handler.arg_id, arg_id_end}; } template struct field_type { using type = remove_cvref_t; }; template struct field_type::value>> { using type = remove_cvref_t; }; template constexpr auto parse_replacement_field_then_tail(S format_str) { using char_type = typename S::char_type; constexpr auto str = basic_string_view(format_str); constexpr char_type c = END_POS != str.size() ? str[END_POS] : char_type(); if constexpr (c == '}') { return parse_tail( field::type, ARG_INDEX>(), format_str); } else if constexpr (c == ':') { constexpr auto result = parse_specs::type>( str, END_POS + 1, NEXT_ID == manual_indexing_id ? 0 : NEXT_ID); return parse_tail( spec_field::type, ARG_INDEX>{ result.fmt}, format_str); } } // Compiles a non-empty format string and returns the compiled representation // or unknown_format() on unrecognized input. template constexpr auto compile_format_string(S format_str) { using char_type = typename S::char_type; constexpr auto str = basic_string_view(format_str); if constexpr (str[POS] == '{') { if constexpr (POS + 1 == str.size()) throw format_error("unmatched '{' in format string"); if constexpr (str[POS + 1] == '{') { return parse_tail(make_text(str, POS, 1), format_str); } else if constexpr (str[POS + 1] == '}' || str[POS + 1] == ':') { static_assert(ID != manual_indexing_id, "cannot switch from manual to automatic argument indexing"); constexpr auto next_id = ID != manual_indexing_id ? ID + 1 : manual_indexing_id; return parse_replacement_field_then_tail, Args, POS + 1, ID, next_id>( format_str); } else { constexpr auto arg_id_result = parse_arg_id(str.data() + POS + 1, str.data() + str.size()); constexpr auto arg_id_end_pos = arg_id_result.arg_id_end - str.data(); constexpr char_type c = arg_id_end_pos != str.size() ? str[arg_id_end_pos] : char_type(); static_assert(c == '}' || c == ':', "missing '}' in format string"); if constexpr (arg_id_result.arg_id.kind == arg_id_kind::index) { static_assert( ID == manual_indexing_id || ID == 0, "cannot switch from automatic to manual argument indexing"); constexpr auto arg_index = arg_id_result.arg_id.val.index; return parse_replacement_field_then_tail, Args, arg_id_end_pos, arg_index, manual_indexing_id>( format_str); } else if constexpr (arg_id_result.arg_id.kind == arg_id_kind::name) { constexpr auto arg_index = get_arg_index_by_name(arg_id_result.arg_id.val.name, Args{}); if constexpr (arg_index != invalid_arg_index) { constexpr auto next_id = ID != manual_indexing_id ? ID + 1 : manual_indexing_id; return parse_replacement_field_then_tail< decltype(get_type::value), Args, arg_id_end_pos, arg_index, next_id>(format_str); } else { if constexpr (c == '}') { return parse_tail( runtime_named_field{arg_id_result.arg_id.val.name}, format_str); } else if constexpr (c == ':') { return unknown_format(); // no type info for specs parsing } } } } } else if constexpr (str[POS] == '}') { if constexpr (POS + 1 == str.size()) throw format_error("unmatched '}' in format string"); return parse_tail(make_text(str, POS, 1), format_str); } else { constexpr auto end = parse_text(str, POS + 1); if constexpr (end - POS > 1) { return parse_tail(make_text(str, POS, end - POS), format_str); } else { return parse_tail(code_unit{str[POS]}, format_str); } } } template ::value)> constexpr auto compile(S format_str) { constexpr auto str = basic_string_view(format_str); if constexpr (str.size() == 0) { return detail::make_text(str, 0, 0); } else { constexpr auto result = detail::compile_format_string, 0, 0>( format_str); return result; } } #endif // __cpp_if_constexpr } // namespace detail FMT_MODULE_EXPORT_BEGIN #ifdef __cpp_if_constexpr template ::value)> FMT_INLINE std::basic_string format(const CompiledFormat& cf, const Args&... args) { auto s = std::basic_string(); cf.format(std::back_inserter(s), args...); return s; } template ::value)> constexpr FMT_INLINE OutputIt format_to(OutputIt out, const CompiledFormat& cf, const Args&... args) { return cf.format(out, args...); } template ::value)> FMT_INLINE std::basic_string format(const S&, Args&&... args) { if constexpr (std::is_same::value) { constexpr auto str = basic_string_view(S()); if constexpr (str.size() == 2 && str[0] == '{' && str[1] == '}') { const auto& first = detail::first(args...); if constexpr (detail::is_named_arg< remove_cvref_t>::value) { return fmt::to_string(first.value); } else { return fmt::to_string(first); } } } constexpr auto compiled = detail::compile(S()); if constexpr (std::is_same, detail::unknown_format>()) { return format(static_cast>(S()), std::forward(args)...); } else { return format(compiled, std::forward(args)...); } } template ::value)> FMT_CONSTEXPR OutputIt format_to(OutputIt out, const S&, Args&&... args) { constexpr auto compiled = detail::compile(S()); if constexpr (std::is_same, detail::unknown_format>()) { return format_to(out, static_cast>(S()), std::forward(args)...); } else { return format_to(out, compiled, std::forward(args)...); } } #endif template ::value)> format_to_n_result format_to_n(OutputIt out, size_t n, const S& format_str, Args&&... args) { auto it = format_to(detail::truncating_iterator(out, n), format_str, std::forward(args)...); return {it.base(), it.count()}; } template ::value)> size_t formatted_size(const S& format_str, const Args&... args) { return format_to(detail::counting_iterator(), format_str, args...).count(); } template ::value)> void print(std::FILE* f, const S& format_str, const Args&... args) { memory_buffer buffer; format_to(std::back_inserter(buffer), format_str, args...); detail::print(f, {buffer.data(), buffer.size()}); } template ::value)> void print(const S& format_str, const Args&... args) { print(stdout, format_str, args...); } #if FMT_USE_NONTYPE_TEMPLATE_PARAMETERS inline namespace literals { template constexpr detail::udl_compiled_string< remove_cvref_t, sizeof(Str.data) / sizeof(decltype(Str.data[0])), Str> operator""_cf() { return {}; } } // namespace literals #endif FMT_MODULE_EXPORT_END FMT_END_NAMESPACE #endif // FMT_COMPILE_H_ ================================================ FILE: vendor/spdlog/include/spdlog/fmt/bundled/core.h ================================================ // Formatting library for C++ - the core API for char/UTF-8 // // 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 // std::FILE #include #include #include #include #include // The fmt library version in the form major * 10000 + minor * 100 + patch. #define FMT_VERSION 80000 #ifdef __clang__ # define FMT_CLANG_VERSION (__clang_major__ * 100 + __clang_minor__) #else # define FMT_CLANG_VERSION 0 #endif #if defined(__GNUC__) && !defined(__clang__) # define FMT_GCC_VERSION (__GNUC__ * 100 + __GNUC_MINOR__) # define FMT_GCC_PRAGMA(arg) _Pragma(arg) #else # define FMT_GCC_VERSION 0 # define FMT_GCC_PRAGMA(arg) #endif #if __cplusplus >= 201103L || defined(__GXX_EXPERIMENTAL_CXX0X__) # define FMT_HAS_GXX_CXX11 FMT_GCC_VERSION #else # define FMT_HAS_GXX_CXX11 0 #endif #if defined(__INTEL_COMPILER) # define FMT_ICC_VERSION __INTEL_COMPILER #else # define FMT_ICC_VERSION 0 #endif #ifdef __NVCC__ # define FMT_NVCC __NVCC__ #else # define FMT_NVCC 0 #endif #ifdef _MSC_VER # define FMT_MSC_VER _MSC_VER # define FMT_MSC_WARNING(...) __pragma(warning(__VA_ARGS__)) #else # define FMT_MSC_VER 0 # define FMT_MSC_WARNING(...) #endif #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__) && \ (!FMT_ICC_VERSION || FMT_ICC_VERSION >= 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 #define FMT_HAS_CPP14_ATTRIBUTE(attribute) \ (__cplusplus >= 201402L && FMT_HAS_CPP_ATTRIBUTE(attribute)) #define FMT_HAS_CPP17_ATTRIBUTE(attribute) \ (__cplusplus >= 201703L && FMT_HAS_CPP_ATTRIBUTE(attribute)) // 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)) && \ !FMT_NVCC && !FMT_ICC_VERSION #endif #if FMT_USE_CONSTEXPR # define FMT_CONSTEXPR constexpr # define FMT_CONSTEXPR_DECL constexpr #else # define FMT_CONSTEXPR # define FMT_CONSTEXPR_DECL #endif // Check if constexpr std::char_traits<>::compare,length is supported. #if defined(__GLIBCXX__) # if __cplusplus >= 201703L && defined(_GLIBCXX_RELEASE) && \ _GLIBCXX_RELEASE >= 7 // GCC 7+ libstdc++ has _GLIBCXX_RELEASE. # define FMT_CONSTEXPR_CHAR_TRAITS constexpr # endif #elif defined(_LIBCPP_VERSION) && __cplusplus >= 201703L && \ _LIBCPP_VERSION >= 4000 # define FMT_CONSTEXPR_CHAR_TRAITS constexpr #elif FMT_MSC_VER >= 1914 && _MSVC_LANG >= 201703L # define FMT_CONSTEXPR_CHAR_TRAITS constexpr #endif #ifndef FMT_CONSTEXPR_CHAR_TRAITS # define FMT_CONSTEXPR_CHAR_TRAITS #endif #ifndef FMT_OVERRIDE # if FMT_HAS_FEATURE(cxx_override_control) || \ (FMT_GCC_VERSION >= 408 && FMT_HAS_GXX_CXX11) || FMT_MSC_VER >= 1900 # define FMT_OVERRIDE override # else # define FMT_OVERRIDE # endif #endif // Check if exceptions are disabled. #ifndef FMT_EXCEPTIONS # if (defined(__GNUC__) && !defined(__EXCEPTIONS)) || \ FMT_MSC_VER && !_HAS_EXCEPTIONS # define FMT_EXCEPTIONS 0 # else # define FMT_EXCEPTIONS 1 # endif #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 // [[noreturn]] is disabled on MSVC and NVCC because of bogus unreachable code // warnings. #if FMT_EXCEPTIONS && FMT_HAS_CPP_ATTRIBUTE(noreturn) && !FMT_MSC_VER && \ !FMT_NVCC # define FMT_NORETURN [[noreturn]] #else # define FMT_NORETURN #endif #ifndef FMT_MAYBE_UNUSED # if FMT_HAS_CPP17_ATTRIBUTE(maybe_unused) # define FMT_MAYBE_UNUSED [[maybe_unused]] # else # define FMT_MAYBE_UNUSED # endif #endif #if __cplusplus == 201103L || __cplusplus == 201402L # if defined(__INTEL_COMPILER) || defined(__PGI) # define FMT_FALLTHROUGH # elif defined(__clang__) # define FMT_FALLTHROUGH [[clang::fallthrough]] # elif FMT_GCC_VERSION >= 700 && \ (!defined(__EDG_VERSION__) || __EDG_VERSION__ >= 520) # define FMT_FALLTHROUGH [[gnu::fallthrough]] # else # define FMT_FALLTHROUGH # endif #elif FMT_HAS_CPP17_ATTRIBUTE(fallthrough) || \ (defined(_MSVC_LANG) && _MSVC_LANG >= 201703L) # define FMT_FALLTHROUGH [[fallthrough]] #else # define FMT_FALLTHROUGH #endif #ifndef FMT_USE_FLOAT # define FMT_USE_FLOAT 1 #endif #ifndef FMT_USE_DOUBLE # define FMT_USE_DOUBLE 1 #endif #ifndef FMT_USE_LONG_DOUBLE # define FMT_USE_LONG_DOUBLE 1 #endif #ifndef FMT_INLINE # if FMT_GCC_VERSION || FMT_CLANG_VERSION # define FMT_INLINE inline __attribute__((always_inline)) # else # define FMT_INLINE inline # endif #endif #ifndef FMT_USE_INLINE_NAMESPACES # if FMT_HAS_FEATURE(cxx_inline_namespaces) || FMT_GCC_VERSION >= 404 || \ (FMT_MSC_VER >= 1900 && (!defined(_MANAGED) || !_MANAGED)) # define FMT_USE_INLINE_NAMESPACES 1 # else # define FMT_USE_INLINE_NAMESPACES 0 # endif #endif #ifndef FMT_BEGIN_NAMESPACE # if FMT_USE_INLINE_NAMESPACES # define FMT_INLINE_NAMESPACE inline namespace # define FMT_END_NAMESPACE \ } \ } # else # define FMT_INLINE_NAMESPACE namespace # define FMT_END_NAMESPACE \ } \ using namespace v8; \ } # endif # define FMT_BEGIN_NAMESPACE \ namespace fmt { \ FMT_INLINE_NAMESPACE v8 { #endif #ifndef FMT_MODULE_EXPORT # define FMT_MODULE_EXPORT # define FMT_MODULE_EXPORT_BEGIN # define FMT_MODULE_EXPORT_END # define FMT_BEGIN_DETAIL_NAMESPACE namespace detail { # define FMT_END_DETAIL_NAMESPACE } #endif #if !defined(FMT_HEADER_ONLY) && defined(_WIN32) # define FMT_CLASS_API FMT_MSC_WARNING(suppress : 4275) # ifdef FMT_EXPORT # define FMT_API __declspec(dllexport) # elif defined(FMT_SHARED) # define FMT_API __declspec(dllimport) # endif #else # define FMT_CLASS_API # if defined(FMT_EXPORT) || defined(FMT_SHARED) # if defined(__GNUC__) || defined(__clang__) # define FMT_API __attribute__((visibility("default"))) # endif # endif #endif #ifndef FMT_API # define FMT_API #endif #if FMT_GCC_VERSION # define FMT_GCC_VISIBILITY_HIDDEN __attribute__((visibility("hidden"))) #else # define FMT_GCC_VISIBILITY_HIDDEN #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_STRING_VIEW #elif FMT_HAS_INCLUDE("experimental/string_view") && __cplusplus >= 201402L # include # define FMT_USE_EXPERIMENTAL_STRING_VIEW #endif #ifndef FMT_UNICODE # define FMT_UNICODE !FMT_MSC_VER #endif #ifndef FMT_CONSTEVAL # if ((FMT_GCC_VERSION >= 1000 || FMT_CLANG_VERSION >= 1101) && \ __cplusplus > 201703L) || \ (defined(__cpp_consteval) && \ !FMT_MSC_VER) // consteval is broken in MSVC. # define FMT_CONSTEVAL consteval # define FMT_HAS_CONSTEVAL # else # define FMT_CONSTEVAL # endif #endif #ifndef FMT_USE_NONTYPE_TEMPLATE_PARAMETERS # if defined(__cpp_nontype_template_args) && \ ((FMT_GCC_VERSION >= 903 && __cplusplus >= 201709L) || \ __cpp_nontype_template_args >= 201911L) # define FMT_USE_NONTYPE_TEMPLATE_PARAMETERS 1 # else # define FMT_USE_NONTYPE_TEMPLATE_PARAMETERS 0 # endif #endif // Enable minimal optimizations for more compact code in debug mode. FMT_GCC_PRAGMA("GCC push_options") #ifndef __OPTIMIZE__ FMT_GCC_PRAGMA("GCC optimize(\"Og\")") #endif FMT_BEGIN_NAMESPACE FMT_MODULE_EXPORT_BEGIN // Implementations of enable_if_t and other metafunctions for older systems. template using enable_if_t = typename std::enable_if::type; template using conditional_t = typename std::conditional::type; template using bool_constant = std::integral_constant; template using remove_reference_t = typename std::remove_reference::type; template using remove_cvref_t = typename std::remove_cv>::type; template struct type_identity { using type = T; }; template using type_identity_t = typename type_identity::type; struct monostate { constexpr monostate() {} }; // An enable_if helper to be used in template parameters which results in much // shorter symbols: https://godbolt.org/z/sWw4vP. Extra parentheses are needed // to workaround a bug in MSVC 2019 (see #1140 and #1186). #ifdef FMT_DOC # define FMT_ENABLE_IF(...) #else # define FMT_ENABLE_IF(...) enable_if_t<(__VA_ARGS__), int> = 0 #endif FMT_BEGIN_DETAIL_NAMESPACE constexpr FMT_INLINE auto is_constant_evaluated() FMT_NOEXCEPT -> bool { #ifdef __cpp_lib_is_constant_evaluated return std::is_constant_evaluated(); #else return false; #endif } // A function to suppress "conditional expression is constant" warnings. template constexpr auto const_check(T value) -> T { return value; } FMT_NORETURN FMT_API void assert_fail(const char* file, int line, const char* message); #ifndef FMT_ASSERT # ifdef NDEBUG // FMT_ASSERT is not empty to avoid -Werror=empty-body. # define FMT_ASSERT(condition, message) ((void)0) # else # define FMT_ASSERT(condition, message) \ ((condition) /* void() fails with -Winvalid-constexpr on clang 4.0.1 */ \ ? (void)0 \ : ::fmt::detail::assert_fail(__FILE__, __LINE__, (message))) # endif #endif #if defined(FMT_USE_STRING_VIEW) template using std_string_view = std::basic_string_view; #elif defined(FMT_USE_EXPERIMENTAL_STRING_VIEW) template using std_string_view = std::experimental::basic_string_view; #else template struct std_string_view {}; #endif #ifdef FMT_USE_INT128 // Do nothing. #elif defined(__SIZEOF_INT128__) && !FMT_NVCC && \ !(FMT_CLANG_VERSION && FMT_MSC_VER) # define FMT_USE_INT128 1 using int128_t = __int128_t; using uint128_t = __uint128_t; template inline auto convert_for_visit(T value) -> T { return value; } #else # define FMT_USE_INT128 0 #endif #if !FMT_USE_INT128 enum class int128_t {}; enum class uint128_t {}; // Reduce template instantiations. template inline auto convert_for_visit(T) -> monostate { return {}; } #endif // Casts a nonnegative integer to unsigned. template FMT_CONSTEXPR auto to_unsigned(Int value) -> typename std::make_unsigned::type { FMT_ASSERT(value >= 0, "negative value"); return static_cast::type>(value); } FMT_MSC_WARNING(suppress : 4566) constexpr unsigned char micro[] = "\u00B5"; constexpr auto is_utf8() -> bool { // Avoid buggy sign extensions in MSVC's constant evaluation mode. // https://developercommunity.visualstudio.com/t/C-difference-in-behavior-for-unsigned/1233612 using uchar = unsigned char; return FMT_UNICODE || (sizeof(micro) == 3 && uchar(micro[0]) == 0xC2 && uchar(micro[1]) == 0xB5); } FMT_END_DETAIL_NAMESPACE /** 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: using value_type = Char; using iterator = const Char*; constexpr basic_string_view() FMT_NOEXCEPT : data_(nullptr), size_(0) {} /** Constructs a string reference object from a C string and a size. */ 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_CHAR_TRAITS FMT_INLINE basic_string_view(const Char* s) : data_(s) { if (detail::const_check(std::is_same::value && !detail::is_constant_evaluated())) size_ = std::strlen(reinterpret_cast(s)); else size_ = std::char_traits::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()) {} template >::value)> FMT_CONSTEXPR basic_string_view(S s) FMT_NOEXCEPT : data_(s.data()), size_(s.size()) {} /** Returns a pointer to the string data. */ constexpr auto data() const -> const Char* { return data_; } /** Returns the string size. */ constexpr auto size() const -> size_t { return size_; } constexpr auto begin() const -> iterator { return data_; } constexpr auto end() const -> iterator { return data_ + size_; } constexpr auto operator[](size_t pos) const -> const Char& { return data_[pos]; } FMT_CONSTEXPR void remove_prefix(size_t n) { data_ += n; size_ -= n; } // Lexicographically compare this string reference to other. FMT_CONSTEXPR_CHAR_TRAITS auto compare(basic_string_view other) const -> int { 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; } FMT_CONSTEXPR_CHAR_TRAITS friend auto operator==(basic_string_view lhs, basic_string_view rhs) -> bool { return lhs.compare(rhs) == 0; } friend auto operator!=(basic_string_view lhs, basic_string_view rhs) -> bool { return lhs.compare(rhs) != 0; } friend auto operator<(basic_string_view lhs, basic_string_view rhs) -> bool { return lhs.compare(rhs) < 0; } friend auto operator<=(basic_string_view lhs, basic_string_view rhs) -> bool { return lhs.compare(rhs) <= 0; } friend auto operator>(basic_string_view lhs, basic_string_view rhs) -> bool { return lhs.compare(rhs) > 0; } friend auto operator>=(basic_string_view lhs, basic_string_view rhs) -> bool { return lhs.compare(rhs) >= 0; } }; using string_view = basic_string_view; /** Specifies if ``T`` is a character type. Can be specialized by users. */ template struct is_char : std::false_type {}; template <> struct is_char : std::true_type {}; /** \rst Returns a string view of `s`. In order to add custom string type support to {fmt} provide an overload of `to_string_view` for it in the same namespace as the type for the argument-dependent lookup to work. **Example**:: namespace my_ns { inline string_view to_string_view(const my_string& s) { return {s.data(), s.length()}; } } std::string message = fmt::format(my_string("The answer is {}"), 42); \endrst */ template ::value)> FMT_INLINE auto to_string_view(const Char* s) -> basic_string_view { return s; } template inline auto to_string_view(const std::basic_string& s) -> basic_string_view { return s; } template constexpr auto to_string_view(basic_string_view s) -> basic_string_view { return s; } template >::value)> inline auto to_string_view(detail::std_string_view s) -> basic_string_view { return s; } // 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_STRING("{}"), 42). struct compile_string {}; template struct is_compile_string : std::is_base_of {}; template ::value)> constexpr auto to_string_view(const S& s) -> basic_string_view { return basic_string_view(s); } FMT_BEGIN_DETAIL_NAMESPACE void to_string_view(...); using fmt::v8::to_string_view; // Specifies whether S is a string type convertible to fmt::basic_string_view. // It should be a constexpr function but MSVC 2017 fails to compile it in // enable_if and MSVC 2015 fails to compile it as an alias template. template struct is_string : std::is_class()))> { }; template struct char_t_impl {}; template struct char_t_impl::value>> { using result = decltype(to_string_view(std::declval())); using type = typename result::value_type; }; // Reports a compile-time error if S is not a valid format string. template ::value)> FMT_INLINE void check_format_string(const S&) { #ifdef FMT_ENFORCE_COMPILE_STRING static_assert(is_compile_string::value, "FMT_ENFORCE_COMPILE_STRING requires all format strings to use " "FMT_STRING."); #endif } template ::value)> void check_format_string(S); struct error_handler { constexpr error_handler() = default; constexpr error_handler(const error_handler&) = default; // This function is intentionally not constexpr to give a compile-time error. FMT_NORETURN FMT_API void on_error(const char* message); }; FMT_END_DETAIL_NAMESPACE /** String's character type. */ template using char_t = typename detail::char_t_impl::type; /** \rst Parsing context consisting of a format string range being parsed and an argument counter for automatic indexing. You can use the ```format_parse_context`` type alias for ``char`` instead. \endrst */ template class basic_format_parse_context : private ErrorHandler { private: basic_string_view format_str_; int next_arg_id_; public: using char_type = Char; using iterator = typename basic_string_view::iterator; explicit constexpr basic_format_parse_context( basic_string_view format_str, ErrorHandler eh = {}, int next_arg_id = 0) : ErrorHandler(eh), format_str_(format_str), next_arg_id_(next_arg_id) {} /** Returns an iterator to the beginning of the format string range being parsed. */ constexpr auto begin() const FMT_NOEXCEPT -> iterator { return format_str_.begin(); } /** Returns an iterator past the end of the format string range being parsed. */ constexpr auto end() const FMT_NOEXCEPT -> iterator { return format_str_.end(); } /** Advances the begin iterator to ``it``. */ FMT_CONSTEXPR void advance_to(iterator it) { format_str_.remove_prefix(detail::to_unsigned(it - begin())); } /** Reports an error if using the manual argument indexing; otherwise returns the next argument index and switches to the automatic indexing. */ FMT_CONSTEXPR auto next_arg_id() -> int { // Don't check if the argument id is valid to avoid overhead and because it // will be checked during formatting anyway. if (next_arg_id_ >= 0) return next_arg_id_++; on_error("cannot switch from manual to automatic argument indexing"); return 0; } /** Reports an error if using the automatic argument indexing; otherwise switches to the manual indexing. */ FMT_CONSTEXPR void check_arg_id(int) { if (next_arg_id_ > 0) on_error("cannot switch from automatic to manual argument indexing"); else next_arg_id_ = -1; } FMT_CONSTEXPR void check_arg_id(basic_string_view) {} FMT_CONSTEXPR void on_error(const char* message) { ErrorHandler::on_error(message); } constexpr auto error_handler() const -> ErrorHandler { return *this; } }; using format_parse_context = basic_format_parse_context; template class basic_format_arg; template class basic_format_args; template class dynamic_format_arg_store; // A formatter for objects of type T. template struct formatter { // A deleted default constructor indicates a disabled formatter. formatter() = delete; }; // Specifies if T has an enabled formatter specialization. A type can be // formattable even if it doesn't have a formatter e.g. via a conversion. template using has_formatter = std::is_constructible>; // Checks whether T is a container with contiguous storage. template struct is_contiguous : std::false_type {}; template struct is_contiguous> : std::true_type {}; class appender; FMT_BEGIN_DETAIL_NAMESPACE // Extracts a reference to the container from back_insert_iterator. template inline auto get_container(std::back_insert_iterator it) -> Container& { using bi_iterator = std::back_insert_iterator; struct accessor : bi_iterator { accessor(bi_iterator iter) : bi_iterator(iter) {} using bi_iterator::container; }; return *accessor(it).container; } template FMT_CONSTEXPR auto copy_str(InputIt begin, InputIt end, OutputIt out) -> OutputIt { while (begin != end) *out++ = static_cast(*begin++); return out; } template ::value)> FMT_CONSTEXPR auto copy_str(const Char* begin, const Char* end, Char* out) -> Char* { if (is_constant_evaluated()) return copy_str(begin, end, out); auto size = to_unsigned(end - begin); memcpy(out, begin, size); return out + size; } /** \rst A contiguous memory buffer with an optional growing ability. It is an internal class and shouldn't be used directly, only via `~fmt::basic_memory_buffer`. \endrst */ template class buffer { private: T* ptr_; size_t size_; size_t capacity_; protected: // Don't initialize ptr_ since it is not accessed to save a few cycles. FMT_MSC_WARNING(suppress : 26495) buffer(size_t sz) FMT_NOEXCEPT : size_(sz), capacity_(sz) {} buffer(T* p = nullptr, size_t sz = 0, size_t cap = 0) FMT_NOEXCEPT : ptr_(p), size_(sz), capacity_(cap) {} ~buffer() = default; buffer(buffer&&) = default; /** Sets the buffer data and capacity. */ void set(T* buf_data, 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(size_t capacity) = 0; public: using value_type = T; using const_reference = const T&; buffer(const buffer&) = delete; void operator=(const buffer&) = delete; auto begin() FMT_NOEXCEPT -> T* { return ptr_; } auto end() FMT_NOEXCEPT -> T* { return ptr_ + size_; } auto begin() const FMT_NOEXCEPT -> const T* { return ptr_; } auto end() const FMT_NOEXCEPT -> const T* { return ptr_ + size_; } /** Returns the size of this buffer. */ auto size() const FMT_NOEXCEPT -> size_t { return size_; } /** Returns the capacity of this buffer. */ auto capacity() const FMT_NOEXCEPT -> size_t { return capacity_; } /** Returns a pointer to the buffer data. */ auto data() FMT_NOEXCEPT -> T* { return ptr_; } /** Returns a pointer to the buffer data. */ auto data() const FMT_NOEXCEPT -> const T* { return ptr_; } /** Clears this buffer. */ void clear() { size_ = 0; } // Tries resizing the buffer to contain *count* elements. If T is a POD type // the new elements may not be initialized. void try_resize(size_t count) { try_reserve(count); size_ = count <= capacity_ ? count : capacity_; } // Tries increasing the buffer capacity to *new_capacity*. It can increase the // capacity by a smaller amount than requested but guarantees there is space // for at least one additional element either by increasing the capacity or by // flushing the buffer if it is full. void try_reserve(size_t new_capacity) { if (new_capacity > capacity_) grow(new_capacity); } void push_back(const T& value) { try_reserve(size_ + 1); ptr_[size_++] = value; } /** Appends data to the end of the buffer. */ template void append(const U* begin, const U* end); template auto operator[](I index) -> T& { return ptr_[index]; } template auto operator[](I index) const -> const T& { return ptr_[index]; } }; struct buffer_traits { explicit buffer_traits(size_t) {} auto count() const -> size_t { return 0; } auto limit(size_t size) -> size_t { return size; } }; class fixed_buffer_traits { private: size_t count_ = 0; size_t limit_; public: explicit fixed_buffer_traits(size_t limit) : limit_(limit) {} auto count() const -> size_t { return count_; } auto limit(size_t size) -> size_t { size_t n = limit_ > count_ ? limit_ - count_ : 0; count_ += size; return size < n ? size : n; } }; // A buffer that writes to an output iterator when flushed. template class iterator_buffer final : public Traits, public buffer { private: OutputIt out_; enum { buffer_size = 256 }; T data_[buffer_size]; protected: void grow(size_t) final FMT_OVERRIDE { if (this->size() == buffer_size) flush(); } void flush() { auto size = this->size(); this->clear(); out_ = copy_str(data_, data_ + this->limit(size), out_); } public: explicit iterator_buffer(OutputIt out, size_t n = buffer_size) : Traits(n), buffer(data_, 0, buffer_size), out_(out) {} iterator_buffer(iterator_buffer&& other) : Traits(other), buffer(data_, 0, buffer_size), out_(other.out_) {} ~iterator_buffer() { flush(); } auto out() -> OutputIt { flush(); return out_; } auto count() const -> size_t { return Traits::count() + this->size(); } }; template class iterator_buffer final : public buffer { protected: void grow(size_t) final FMT_OVERRIDE {} public: explicit iterator_buffer(T* out, size_t = 0) : buffer(out, 0, ~size_t()) {} auto out() -> T* { return &*this->end(); } }; // A buffer that writes to a container with the contiguous storage. template class iterator_buffer, enable_if_t::value, typename Container::value_type>> final : public buffer { private: Container& container_; protected: void grow(size_t capacity) final FMT_OVERRIDE { container_.resize(capacity); this->set(&container_[0], capacity); } public: explicit iterator_buffer(Container& c) : buffer(c.size()), container_(c) {} explicit iterator_buffer(std::back_insert_iterator out, size_t = 0) : iterator_buffer(get_container(out)) {} auto out() -> std::back_insert_iterator { return std::back_inserter(container_); } }; // A buffer that counts the number of code units written discarding the output. template class counting_buffer final : public buffer { private: enum { buffer_size = 256 }; T data_[buffer_size]; size_t count_ = 0; protected: void grow(size_t) final FMT_OVERRIDE { if (this->size() != buffer_size) return; count_ += this->size(); this->clear(); } public: counting_buffer() : buffer(data_, 0, buffer_size) {} auto count() -> size_t { return count_ + this->size(); } }; template using buffer_appender = conditional_t::value, appender, std::back_insert_iterator>>; // Maps an output iterator to a buffer. template auto get_buffer(OutputIt out) -> iterator_buffer { return iterator_buffer(out); } template auto get_iterator(Buffer& buf) -> decltype(buf.out()) { return buf.out(); } template auto get_iterator(buffer& buf) -> buffer_appender { return buffer_appender(buf); } template struct fallback_formatter { fallback_formatter() = delete; }; // Specifies if T has an enabled fallback_formatter specialization. template using has_fallback_formatter = std::is_constructible>; struct view {}; template struct named_arg : view { const Char* name; const T& value; named_arg(const Char* n, const T& v) : name(n), value(v) {} }; template struct named_arg_info { const Char* name; int id; }; template struct arg_data { // args_[0].named_args points to named_args_ to avoid bloating format_args. // +1 to workaround a bug in gcc 7.5 that causes duplicated-branches warning. T args_[1 + (NUM_ARGS != 0 ? NUM_ARGS : +1)]; named_arg_info named_args_[NUM_NAMED_ARGS]; template arg_data(const U&... init) : args_{T(named_args_, NUM_NAMED_ARGS), init...} {} arg_data(const arg_data& other) = delete; auto args() const -> const T* { return args_ + 1; } auto named_args() -> named_arg_info* { return named_args_; } }; template struct arg_data { // +1 to workaround a bug in gcc 7.5 that causes duplicated-branches warning. T args_[NUM_ARGS != 0 ? NUM_ARGS : +1]; template FMT_CONSTEXPR FMT_INLINE arg_data(const U&... init) : args_{init...} {} FMT_CONSTEXPR FMT_INLINE auto args() const -> const T* { return args_; } FMT_CONSTEXPR FMT_INLINE auto named_args() -> std::nullptr_t { return nullptr; } }; template inline void init_named_args(named_arg_info*, int, int) {} template struct is_named_arg : std::false_type {}; template struct is_statically_named_arg : std::false_type {}; template struct is_named_arg> : std::true_type {}; template ::value)> void init_named_args(named_arg_info* named_args, int arg_count, int named_arg_count, const T&, const Tail&... args) { init_named_args(named_args, arg_count + 1, named_arg_count, args...); } template ::value)> void init_named_args(named_arg_info* named_args, int arg_count, int named_arg_count, const T& arg, const Tail&... args) { named_args[named_arg_count++] = {arg.name, arg_count}; init_named_args(named_args, arg_count + 1, named_arg_count, args...); } template FMT_CONSTEXPR FMT_INLINE void init_named_args(std::nullptr_t, int, int, const Args&...) {} template constexpr auto count() -> size_t { return B ? 1 : 0; } template constexpr auto count() -> size_t { return (B1 ? 1 : 0) + count(); } template constexpr auto count_named_args() -> size_t { return count::value...>(); } enum class type { none_type, // Integer types should go first, int_type, uint_type, long_long_type, ulong_long_type, int128_type, uint128_type, bool_type, char_type, last_integer_type = char_type, // followed by floating-point types. float_type, double_type, long_double_type, last_numeric_type = long_double_type, cstring_type, string_type, pointer_type, custom_type }; // Maps core type T to the corresponding type enum constant. template struct type_constant : std::integral_constant {}; #define FMT_TYPE_CONSTANT(Type, constant) \ template \ struct type_constant \ : std::integral_constant {} FMT_TYPE_CONSTANT(int, int_type); FMT_TYPE_CONSTANT(unsigned, uint_type); FMT_TYPE_CONSTANT(long long, long_long_type); FMT_TYPE_CONSTANT(unsigned long long, ulong_long_type); FMT_TYPE_CONSTANT(int128_t, int128_type); FMT_TYPE_CONSTANT(uint128_t, uint128_type); FMT_TYPE_CONSTANT(bool, bool_type); FMT_TYPE_CONSTANT(Char, char_type); FMT_TYPE_CONSTANT(float, float_type); FMT_TYPE_CONSTANT(double, double_type); FMT_TYPE_CONSTANT(long double, long_double_type); FMT_TYPE_CONSTANT(const Char*, cstring_type); FMT_TYPE_CONSTANT(basic_string_view, string_type); FMT_TYPE_CONSTANT(const void*, pointer_type); constexpr bool is_integral_type(type t) { return t > type::none_type && t <= type::last_integer_type; } constexpr bool is_arithmetic_type(type t) { return t > type::none_type && t <= type::last_numeric_type; } template struct string_value { const Char* data; size_t size; }; template struct named_arg_value { const named_arg_info* data; size_t size; }; template struct custom_value { using parse_context = typename Context::parse_context_type; const void* value; void (*format)(const void* arg, parse_context& parse_ctx, Context& ctx); }; // A formatting argument value. template class value { public: using char_type = typename Context::char_type; union { monostate no_value; int int_value; unsigned uint_value; long long long_long_value; unsigned long long ulong_long_value; int128_t int128_value; uint128_t uint128_value; bool bool_value; char_type char_value; float float_value; double double_value; long double long_double_value; const void* pointer; string_value string; custom_value custom; named_arg_value named_args; }; constexpr FMT_INLINE value() : no_value() {} constexpr FMT_INLINE value(int val) : int_value(val) {} constexpr FMT_INLINE value(unsigned val) : uint_value(val) {} constexpr FMT_INLINE value(long long val) : long_long_value(val) {} constexpr FMT_INLINE value(unsigned long long val) : ulong_long_value(val) {} FMT_INLINE value(int128_t val) : int128_value(val) {} FMT_INLINE value(uint128_t val) : uint128_value(val) {} FMT_INLINE value(float val) : float_value(val) {} FMT_INLINE value(double val) : double_value(val) {} FMT_INLINE value(long double val) : long_double_value(val) {} constexpr FMT_INLINE value(bool val) : bool_value(val) {} constexpr FMT_INLINE value(char_type val) : char_value(val) {} FMT_CONSTEXPR FMT_INLINE value(const char_type* val) { string.data = val; if (is_constant_evaluated()) string.size = {}; } FMT_CONSTEXPR FMT_INLINE value(basic_string_view val) { string.data = val.data(); string.size = val.size(); } FMT_INLINE value(const void* val) : pointer(val) {} FMT_INLINE value(const named_arg_info* args, size_t size) : named_args{args, size} {} template FMT_CONSTEXPR FMT_INLINE value(const T& val) { custom.value = &val; // 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`. custom.format = format_custom_arg< T, conditional_t::value, typename Context::template formatter_type, fallback_formatter>>; } private: // Formats an argument of a custom type, such as a user-defined class. template static void format_custom_arg(const void* arg, typename Context::parse_context_type& parse_ctx, Context& ctx) { Formatter f; parse_ctx.advance_to(f.parse(parse_ctx)); ctx.advance_to(f.format(*static_cast(arg), ctx)); } }; template FMT_CONSTEXPR auto make_arg(const T& value) -> basic_format_arg; // 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. enum { long_short = sizeof(long) == sizeof(int) }; using long_type = conditional_t; using ulong_type = conditional_t; struct unformattable {}; // Maps formatting arguments to core types. template struct arg_mapper { using char_type = typename Context::char_type; FMT_CONSTEXPR FMT_INLINE auto map(signed char val) -> int { return val; } FMT_CONSTEXPR FMT_INLINE auto map(unsigned char val) -> unsigned { return val; } FMT_CONSTEXPR FMT_INLINE auto map(short val) -> int { return val; } FMT_CONSTEXPR FMT_INLINE auto map(unsigned short val) -> unsigned { return val; } FMT_CONSTEXPR FMT_INLINE auto map(int val) -> int { return val; } FMT_CONSTEXPR FMT_INLINE auto map(unsigned val) -> unsigned { return val; } FMT_CONSTEXPR FMT_INLINE auto map(long val) -> long_type { return val; } FMT_CONSTEXPR FMT_INLINE auto map(unsigned long val) -> ulong_type { return val; } FMT_CONSTEXPR FMT_INLINE auto map(long long val) -> long long { return val; } FMT_CONSTEXPR FMT_INLINE auto map(unsigned long long val) -> unsigned long long { return val; } FMT_CONSTEXPR FMT_INLINE auto map(int128_t val) -> int128_t { return val; } FMT_CONSTEXPR FMT_INLINE auto map(uint128_t val) -> uint128_t { return val; } FMT_CONSTEXPR FMT_INLINE auto map(bool val) -> bool { return val; } template ::value)> FMT_CONSTEXPR FMT_INLINE auto map(T val) -> char_type { static_assert( std::is_same::value || std::is_same::value, "mixing character types is disallowed"); return val; } FMT_CONSTEXPR FMT_INLINE auto map(float val) -> float { return val; } FMT_CONSTEXPR FMT_INLINE auto map(double val) -> double { return val; } FMT_CONSTEXPR FMT_INLINE auto map(long double val) -> long double { return val; } FMT_CONSTEXPR FMT_INLINE auto map(char_type* val) -> const char_type* { return val; } FMT_CONSTEXPR FMT_INLINE auto map(const char_type* val) -> const char_type* { return val; } template ::value)> FMT_CONSTEXPR FMT_INLINE auto map(const T& val) -> basic_string_view { static_assert(std::is_same>::value, "mixing character types is disallowed"); return to_string_view(val); } template , T>::value && !is_string::value && !has_formatter::value && !has_fallback_formatter::value)> FMT_CONSTEXPR FMT_INLINE auto map(const T& val) -> basic_string_view { return basic_string_view(val); } template < typename T, FMT_ENABLE_IF( std::is_constructible, T>::value && !std::is_constructible, T>::value && !is_string::value && !has_formatter::value && !has_fallback_formatter::value)> FMT_CONSTEXPR FMT_INLINE auto map(const T& val) -> basic_string_view { return std_string_view(val); } FMT_CONSTEXPR FMT_INLINE auto map(const signed char* val) -> const char* { static_assert(std::is_same::value, "invalid string type"); return reinterpret_cast(val); } FMT_CONSTEXPR FMT_INLINE auto map(const unsigned char* val) -> const char* { static_assert(std::is_same::value, "invalid string type"); return reinterpret_cast(val); } FMT_CONSTEXPR FMT_INLINE auto map(signed char* val) -> const char* { const auto* const_val = val; return map(const_val); } FMT_CONSTEXPR FMT_INLINE auto map(unsigned char* val) -> const char* { const auto* const_val = val; return map(const_val); } FMT_CONSTEXPR FMT_INLINE auto map(void* val) -> const void* { return val; } FMT_CONSTEXPR FMT_INLINE auto map(const void* val) -> const void* { return val; } FMT_CONSTEXPR FMT_INLINE auto map(std::nullptr_t val) -> const void* { return val; } // We use SFINAE instead of a const T* parameter to avoid conflicting with // the C array overload. template FMT_CONSTEXPR auto map(T) -> enable_if_t::value, int> { // Formatting of arbitrary pointers is disallowed. If you want to output // a pointer cast it to "void *" or "const void *". In particular, this // forbids formatting of "[const] volatile char *" which is printed as bool // by iostreams. static_assert(!sizeof(T), "formatting of non-void pointers is disallowed"); return 0; } template FMT_CONSTEXPR FMT_INLINE auto map(const T (&values)[N]) -> const T (&)[N] { return values; } template ::value && !has_formatter::value && !has_fallback_formatter::value)> FMT_CONSTEXPR FMT_INLINE auto map(const T& val) -> decltype(std::declval().map( static_cast::type>(val))) { return map(static_cast::type>(val)); } template ::value && !is_char::value && (has_formatter::value || has_fallback_formatter::value))> FMT_CONSTEXPR FMT_INLINE auto map(const T& val) -> const T& { return val; } template ::value)> FMT_CONSTEXPR FMT_INLINE auto map(const T& named_arg) -> decltype(std::declval().map(named_arg.value)) { return map(named_arg.value); } auto map(...) -> unformattable { return {}; } }; // A type constant after applying arg_mapper. template using mapped_type_constant = type_constant().map(std::declval())), typename Context::char_type>; enum { packed_arg_bits = 4 }; // Maximum number of arguments with packed types. enum { max_packed_args = 62 / packed_arg_bits }; enum : unsigned long long { is_unpacked_bit = 1ULL << 63 }; enum : unsigned long long { has_named_args_bit = 1ULL << 62 }; FMT_END_DETAIL_NAMESPACE // An output iterator that appends to a buffer. // It is used to reduce symbol sizes for the common case. class appender : public std::back_insert_iterator> { using base = std::back_insert_iterator>; template friend auto get_buffer(appender out) -> detail::buffer& { return detail::get_container(out); } public: using std::back_insert_iterator>::back_insert_iterator; appender(base it) : base(it) {} using _Unchecked_type = appender; // Mark iterator as checked. auto operator++() -> appender& { base::operator++(); return *this; } auto operator++(int) -> appender { auto tmp = *this; ++*this; return tmp; } }; // A formatting argument. It is a trivially copyable/constructible type to // allow storage in basic_memory_buffer. template class basic_format_arg { private: detail::value value_; detail::type type_; template friend FMT_CONSTEXPR auto detail::make_arg(const T& value) -> basic_format_arg; template friend FMT_CONSTEXPR auto visit_format_arg(Visitor&& vis, const basic_format_arg& arg) -> decltype(vis(0)); friend class basic_format_args; friend class dynamic_format_arg_store; using char_type = typename Context::char_type; template friend struct detail::arg_data; basic_format_arg(const detail::named_arg_info* args, size_t size) : value_(args, size) {} public: class handle { public: explicit handle(detail::custom_value custom) : custom_(custom) {} void format(typename Context::parse_context_type& parse_ctx, Context& ctx) const { custom_.format(custom_.value, parse_ctx, ctx); } private: detail::custom_value custom_; }; constexpr basic_format_arg() : type_(detail::type::none_type) {} constexpr explicit operator bool() const FMT_NOEXCEPT { return type_ != detail::type::none_type; } auto type() const -> detail::type { return type_; } auto is_integral() const -> bool { return detail::is_integral_type(type_); } auto is_arithmetic() const -> bool { return detail::is_arithmetic_type(type_); } }; /** \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 FMT_INLINE auto visit_format_arg( Visitor&& vis, const basic_format_arg& arg) -> decltype(vis(0)) { switch (arg.type_) { case detail::type::none_type: break; case detail::type::int_type: return vis(arg.value_.int_value); case detail::type::uint_type: return vis(arg.value_.uint_value); case detail::type::long_long_type: return vis(arg.value_.long_long_value); case detail::type::ulong_long_type: return vis(arg.value_.ulong_long_value); case detail::type::int128_type: return vis(detail::convert_for_visit(arg.value_.int128_value)); case detail::type::uint128_type: return vis(detail::convert_for_visit(arg.value_.uint128_value)); case detail::type::bool_type: return vis(arg.value_.bool_value); case detail::type::char_type: return vis(arg.value_.char_value); case detail::type::float_type: return vis(arg.value_.float_value); case detail::type::double_type: return vis(arg.value_.double_value); case detail::type::long_double_type: return vis(arg.value_.long_double_value); case detail::type::cstring_type: return vis(arg.value_.string.data); case detail::type::string_type: using sv = basic_string_view; return vis(sv(arg.value_.string.data, arg.value_.string.size)); case detail::type::pointer_type: return vis(arg.value_.pointer); case detail::type::custom_type: return vis(typename basic_format_arg::handle(arg.value_.custom)); } return vis(monostate()); } FMT_BEGIN_DETAIL_NAMESPACE template auto copy_str(InputIt begin, InputIt end, appender out) -> appender { get_container(out).append(begin, end); return out; } #if FMT_GCC_VERSION && FMT_GCC_VERSION < 500 // A workaround for gcc 4.8 to make void_t work in a SFINAE context. template struct void_t_impl { using type = void; }; template using void_t = typename detail::void_t_impl::type; #else template using void_t = void; #endif template struct is_output_iterator : std::false_type {}; template struct is_output_iterator< It, T, void_t::iterator_category, decltype(*std::declval() = std::declval())>> : std::true_type {}; template struct is_back_insert_iterator : std::false_type {}; template struct is_back_insert_iterator> : std::true_type {}; template struct is_contiguous_back_insert_iterator : std::false_type {}; template struct is_contiguous_back_insert_iterator> : is_contiguous {}; template <> struct is_contiguous_back_insert_iterator : std::true_type {}; // A type-erased reference to an std::locale to avoid heavy include. class locale_ref { private: const void* locale_; // A type-erased pointer to std::locale. public: constexpr locale_ref() : locale_(nullptr) {} template explicit locale_ref(const Locale& loc); explicit operator bool() const FMT_NOEXCEPT { return locale_ != nullptr; } template auto get() const -> Locale; }; template constexpr auto encode_types() -> unsigned long long { return 0; } template constexpr auto encode_types() -> unsigned long long { return static_cast(mapped_type_constant::value) | (encode_types() << packed_arg_bits); } template FMT_CONSTEXPR auto make_arg(const T& value) -> basic_format_arg { basic_format_arg arg; arg.type_ = mapped_type_constant::value; arg.value_ = arg_mapper().map(value); return arg; } // The type template parameter is there to avoid an ODR violation when using // a fallback formatter in one translation unit and an implicit conversion in // another (not recommended). template FMT_CONSTEXPR FMT_INLINE auto make_arg(const T& val) -> value { const auto& arg = arg_mapper().map(val); static_assert( !std::is_same::value, "Cannot format an argument. To make type T formattable provide a " "formatter specialization: https://fmt.dev/latest/api.html#udt"); return {arg}; } template inline auto make_arg(const T& value) -> basic_format_arg { return make_arg(value); } FMT_END_DETAIL_NAMESPACE // Formatting context. template class basic_format_context { public: /** The character type for the output. */ using char_type = Char; private: OutputIt out_; basic_format_args args_; detail::locale_ref loc_; public: using iterator = OutputIt; using format_arg = basic_format_arg; using parse_context_type = basic_format_parse_context; template using formatter_type = formatter; basic_format_context(basic_format_context&&) = default; basic_format_context(const basic_format_context&) = delete; void operator=(const basic_format_context&) = delete; /** Constructs a ``basic_format_context`` object. References to the arguments are stored in the object so make sure they have appropriate lifetimes. */ constexpr basic_format_context( OutputIt out, basic_format_args ctx_args, detail::locale_ref loc = detail::locale_ref()) : out_(out), args_(ctx_args), loc_(loc) {} constexpr auto arg(int id) const -> format_arg { return args_.get(id); } FMT_CONSTEXPR auto arg(basic_string_view name) -> format_arg { return args_.get(name); } FMT_CONSTEXPR auto arg_id(basic_string_view name) -> int { return args_.get_id(name); } auto args() const -> const basic_format_args& { return args_; } FMT_CONSTEXPR auto error_handler() -> detail::error_handler { return {}; } void on_error(const char* message) { error_handler().on_error(message); } // Returns an iterator to the beginning of the output range. FMT_CONSTEXPR auto out() -> iterator { return out_; } // Advances the begin iterator to ``it``. void advance_to(iterator it) { if (!detail::is_back_insert_iterator()) out_ = it; } FMT_CONSTEXPR auto locale() -> detail::locale_ref { return loc_; } }; template using buffer_context = basic_format_context, Char>; using format_context = buffer_context; // Workaround an alias issue: https://stackoverflow.com/q/62767544/471164. #define FMT_BUFFER_CONTEXT(Char) \ basic_format_context, Char> template using is_formattable = bool_constant< !std::is_same>().map( std::declval())), detail::unformattable>::value && !detail::has_fallback_formatter::value>; /** \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 #if FMT_GCC_VERSION && FMT_GCC_VERSION < 409 // Workaround a GCC template argument substitution bug. : public basic_format_args #endif { private: static const size_t num_args = sizeof...(Args); static const size_t num_named_args = detail::count_named_args(); static const bool is_packed = num_args <= detail::max_packed_args; using value_type = conditional_t, basic_format_arg>; detail::arg_data data_; friend class basic_format_args; static constexpr unsigned long long desc = (is_packed ? detail::encode_types() : detail::is_unpacked_bit | num_args) | (num_named_args != 0 ? static_cast(detail::has_named_args_bit) : 0); public: FMT_CONSTEXPR FMT_INLINE format_arg_store(const Args&... args) : #if FMT_GCC_VERSION && FMT_GCC_VERSION < 409 basic_format_args(*this), #endif data_{detail::make_arg< is_packed, Context, detail::mapped_type_constant::value>(args)...} { detail::init_named_args(data_.named_args(), 0, 0, args...); } }; /** \rst Constructs a `~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`. See `~fmt::arg` for lifetime considerations. \endrst */ template constexpr auto make_format_args(const Args&... args) -> format_arg_store { return {args...}; } /** \rst Returns a named argument to be used in a formatting function. It should only be used in a call to a formatting function or `dynamic_format_arg_store::push_back`. **Example**:: fmt::print("Elapsed time: {s:.2f} seconds", fmt::arg("s", 1.23)); \endrst */ template inline auto arg(const Char* name, const T& arg) -> detail::named_arg { static_assert(!detail::is_named_arg(), "nested named arguments"); return {name, arg}; } /** \rst A view of a collection of formatting arguments. To avoid lifetime issues it should only be used as a parameter type in type-erased functions such as ``vformat``:: void vlog(string_view format_str, format_args args); // OK format_args args = make_format_args(42); // Error: dangling reference \endrst */ template class basic_format_args { public: using size_type = int; using format_arg = basic_format_arg; private: // A descriptor that contains information about formatting arguments. // If the number of arguments is less or equal to max_packed_args then // argument types are passed in the descriptor. This reduces binary code size // per formatting function call. unsigned long long desc_; union { // If is_packed() returns true then argument values are stored in values_; // otherwise they are stored in args_. This is done to improve cache // locality and reduce compiled code size since 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 detail::value* values_; const format_arg* args_; }; constexpr auto is_packed() const -> bool { return (desc_ & detail::is_unpacked_bit) == 0; } auto has_named_args() const -> bool { return (desc_ & detail::has_named_args_bit) != 0; } FMT_CONSTEXPR auto type(int index) const -> detail::type { int shift = index * detail::packed_arg_bits; unsigned int mask = (1 << detail::packed_arg_bits) - 1; return static_cast((desc_ >> shift) & mask); } constexpr FMT_INLINE basic_format_args(unsigned long long desc, const detail::value* values) : desc_(desc), values_(values) {} constexpr basic_format_args(unsigned long long desc, const format_arg* args) : desc_(desc), args_(args) {} public: constexpr basic_format_args() : desc_(0), args_(nullptr) {} /** \rst Constructs a `basic_format_args` object from `~fmt::format_arg_store`. \endrst */ template constexpr FMT_INLINE basic_format_args( const format_arg_store& store) : basic_format_args(format_arg_store::desc, store.data_.args()) {} /** \rst Constructs a `basic_format_args` object from `~fmt::dynamic_format_arg_store`. \endrst */ constexpr FMT_INLINE basic_format_args( const dynamic_format_arg_store& store) : basic_format_args(store.get_types(), store.data()) {} /** \rst Constructs a `basic_format_args` object from a dynamic set of arguments. \endrst */ constexpr basic_format_args(const format_arg* args, int count) : basic_format_args(detail::is_unpacked_bit | detail::to_unsigned(count), args) {} /** Returns the argument with the specified id. */ FMT_CONSTEXPR auto get(int id) const -> format_arg { format_arg arg; if (!is_packed()) { if (id < max_size()) arg = args_[id]; return arg; } if (id >= detail::max_packed_args) return arg; arg.type_ = type(id); if (arg.type_ == detail::type::none_type) return arg; arg.value_ = values_[id]; return arg; } template auto get(basic_string_view name) const -> format_arg { int id = get_id(name); return id >= 0 ? get(id) : format_arg(); } template auto get_id(basic_string_view name) const -> int { if (!has_named_args()) return -1; const auto& named_args = (is_packed() ? values_[-1] : args_[-1].value_).named_args; for (size_t i = 0; i < named_args.size; ++i) { if (named_args.data[i].name == name) return named_args.data[i].id; } return -1; } auto max_size() const -> int { unsigned long long max_packed = detail::max_packed_args; return static_cast(is_packed() ? max_packed : desc_ & ~detail::is_unpacked_bit); } }; /** An alias to ``basic_format_args``. */ // A separate type would result in shorter symbols but break ABI compatibility // between clang and gcc on ARM (#1919). using format_args = basic_format_args; // We cannot use enum classes as bit fields because of a gcc bug // https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61414. namespace align { enum type { none, left, right, center, numeric }; } using align_t = align::type; namespace sign { enum type { none, minus, plus, space }; } using sign_t = sign::type; FMT_BEGIN_DETAIL_NAMESPACE void throw_format_error(const char* message); // Workaround an array initialization issue in gcc 4.8. template struct fill_t { private: enum { max_size = 4 }; Char data_[max_size] = {Char(' '), Char(0), Char(0), Char(0)}; unsigned char size_ = 1; public: FMT_CONSTEXPR void operator=(basic_string_view s) { auto size = s.size(); if (size > max_size) return throw_format_error("invalid fill"); for (size_t i = 0; i < size; ++i) data_[i] = s[i]; size_ = static_cast(size); } constexpr auto size() const -> size_t { return size_; } constexpr auto data() const -> const Char* { return data_; } FMT_CONSTEXPR auto operator[](size_t index) -> Char& { return data_[index]; } FMT_CONSTEXPR auto operator[](size_t index) const -> const Char& { return data_[index]; } }; FMT_END_DETAIL_NAMESPACE // Format specifiers for built-in and string types. template struct basic_format_specs { int width; int precision; char type; align_t align : 4; sign_t sign : 3; bool alt : 1; // Alternate form ('#'). bool localized : 1; detail::fill_t fill; constexpr basic_format_specs() : width(0), precision(-1), type(0), align(align::none), sign(sign::none), alt(false), localized(false) {} }; using format_specs = basic_format_specs; FMT_BEGIN_DETAIL_NAMESPACE enum class arg_id_kind { none, index, name }; // An argument reference. template struct arg_ref { FMT_CONSTEXPR arg_ref() : kind(arg_id_kind::none), val() {} FMT_CONSTEXPR explicit arg_ref(int index) : kind(arg_id_kind::index), val(index) {} FMT_CONSTEXPR explicit arg_ref(basic_string_view name) : kind(arg_id_kind::name), val(name) {} FMT_CONSTEXPR auto operator=(int idx) -> arg_ref& { kind = arg_id_kind::index; val.index = idx; return *this; } arg_id_kind kind; union value { FMT_CONSTEXPR value(int id = 0) : index{id} {} FMT_CONSTEXPR value(basic_string_view n) : name(n) {} int index; basic_string_view name; } val; }; // Format specifiers with width and precision resolved at formatting rather // than parsing time to allow re-using the same parsed specifiers with // different sets of arguments (precompilation of format strings). template struct dynamic_format_specs : basic_format_specs { arg_ref width_ref; arg_ref precision_ref; }; struct auto_id {}; // A format specifier handler that sets fields in basic_format_specs. template class specs_setter { protected: basic_format_specs& specs_; 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(align_t align) { specs_.align = align; } FMT_CONSTEXPR void on_fill(basic_string_view fill) { specs_.fill = fill; } FMT_CONSTEXPR void on_sign(sign_t s) { specs_.sign = s; } FMT_CONSTEXPR void on_hash() { specs_.alt = true; } FMT_CONSTEXPR void on_localized() { specs_.localized = true; } FMT_CONSTEXPR void on_zero() { if (specs_.align == align::none) specs_.align = align::numeric; specs_.fill[0] = Char('0'); } FMT_CONSTEXPR void on_width(int width) { specs_.width = width; } FMT_CONSTEXPR void on_precision(int precision) { specs_.precision = precision; } FMT_CONSTEXPR void end_precision() {} FMT_CONSTEXPR void on_type(Char type) { specs_.type = static_cast(type); } }; // Format spec handler that saves references to arguments representing dynamic // width and precision to be resolved at formatting time. template class dynamic_specs_handler : public specs_setter { public: using char_type = typename ParseContext::char_type; FMT_CONSTEXPR dynamic_specs_handler(dynamic_format_specs& specs, ParseContext& ctx) : specs_setter(specs), specs_(specs), context_(ctx) {} FMT_CONSTEXPR dynamic_specs_handler(const dynamic_specs_handler& other) : specs_setter(other), specs_(other.specs_), context_(other.context_) {} template FMT_CONSTEXPR void on_dynamic_width(Id arg_id) { specs_.width_ref = make_arg_ref(arg_id); } template FMT_CONSTEXPR void on_dynamic_precision(Id arg_id) { specs_.precision_ref = make_arg_ref(arg_id); } FMT_CONSTEXPR void on_error(const char* message) { context_.on_error(message); } private: dynamic_format_specs& specs_; ParseContext& context_; using arg_ref_type = arg_ref; FMT_CONSTEXPR auto make_arg_ref(int arg_id) -> arg_ref_type { context_.check_arg_id(arg_id); return arg_ref_type(arg_id); } FMT_CONSTEXPR auto make_arg_ref(auto_id) -> arg_ref_type { return arg_ref_type(context_.next_arg_id()); } FMT_CONSTEXPR auto make_arg_ref(basic_string_view arg_id) -> arg_ref_type { context_.check_arg_id(arg_id); basic_string_view format_str( context_.begin(), to_unsigned(context_.end() - context_.begin())); return arg_ref_type(arg_id); } }; template constexpr bool is_ascii_letter(Char c) { return (c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z'); } // Converts a character to ASCII. Returns a number > 127 on conversion failure. template ::value)> constexpr auto to_ascii(Char value) -> Char { return value; } template ::value)> constexpr auto to_ascii(Char value) -> typename std::underlying_type::type { return value; } template FMT_CONSTEXPR auto code_point_length(const Char* begin) -> int { if (const_check(sizeof(Char) != 1)) return 1; constexpr char lengths[] = {1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 2, 2, 2, 2, 3, 3, 4, 0}; int len = lengths[static_cast(*begin) >> 3]; // Compute the pointer to the next character early so that the next // iteration can start working on the next character. Neither Clang // nor GCC figure out this reordering on their own. return len + !len; } // Return the result via the out param to workaround gcc bug 77539. template FMT_CONSTEXPR auto find(Ptr first, Ptr last, T value, Ptr& out) -> bool { for (out = first; out != last; ++out) { if (*out == value) return true; } return false; } template <> inline auto find(const char* first, const char* last, char value, const char*& out) -> bool { out = static_cast( std::memchr(first, value, to_unsigned(last - first))); return out != nullptr; } // 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 auto parse_nonnegative_int(const Char*& begin, const Char* end, int error_value) noexcept -> int { FMT_ASSERT(begin != end && '0' <= *begin && *begin <= '9', ""); unsigned value = 0, prev = 0; auto p = begin; do { prev = value; value = value * 10 + unsigned(*p - '0'); ++p; } while (p != end && '0' <= *p && *p <= '9'); auto num_digits = p - begin; begin = p; if (num_digits <= std::numeric_limits::digits10) return static_cast(value); // Check for overflow. const unsigned max = to_unsigned((std::numeric_limits::max)()); return num_digits == std::numeric_limits::digits10 + 1 && prev * 10ull + unsigned(p[-1] - '0') <= max ? static_cast(value) : error_value; } // Parses fill and alignment. template FMT_CONSTEXPR auto parse_align(const Char* begin, const Char* end, Handler&& handler) -> const Char* { FMT_ASSERT(begin != end, ""); auto align = align::none; auto p = begin + code_point_length(begin); if (p >= end) p = begin; for (;;) { switch (to_ascii(*p)) { case '<': align = align::left; break; case '>': align = align::right; break; case '^': align = align::center; break; default: break; } if (align != align::none) { if (p != begin) { auto c = *begin; if (c == '{') return handler.on_error("invalid fill character '{'"), begin; handler.on_fill(basic_string_view(begin, to_unsigned(p - begin))); begin = p + 1; } else ++begin; handler.on_align(align); break; } else if (p == begin) { break; } p = begin; } return begin; } template FMT_CONSTEXPR bool is_name_start(Char c) { return ('a' <= c && c <= 'z') || ('A' <= c && c <= 'Z') || '_' == c; } template FMT_CONSTEXPR auto do_parse_arg_id(const Char* begin, const Char* end, IDHandler&& handler) -> const Char* { FMT_ASSERT(begin != end, ""); Char c = *begin; if (c >= '0' && c <= '9') { int index = 0; if (c != '0') index = parse_nonnegative_int(begin, end, (std::numeric_limits::max)()); else ++begin; if (begin == end || (*begin != '}' && *begin != ':')) handler.on_error("invalid format string"); else handler(index); return begin; } if (!is_name_start(c)) { handler.on_error("invalid format string"); return begin; } auto it = begin; do { ++it; } while (it != end && (is_name_start(c = *it) || ('0' <= c && c <= '9'))); handler(basic_string_view(begin, to_unsigned(it - begin))); return it; } template FMT_CONSTEXPR FMT_INLINE auto parse_arg_id(const Char* begin, const Char* end, IDHandler&& handler) -> const Char* { Char c = *begin; if (c != '}' && c != ':') return do_parse_arg_id(begin, end, handler); handler(); return begin; } template FMT_CONSTEXPR auto parse_width(const Char* begin, const Char* end, Handler&& handler) -> const Char* { using detail::auto_id; struct width_adapter { Handler& handler; FMT_CONSTEXPR void operator()() { handler.on_dynamic_width(auto_id()); } FMT_CONSTEXPR void operator()(int id) { handler.on_dynamic_width(id); } FMT_CONSTEXPR void operator()(basic_string_view id) { handler.on_dynamic_width(id); } FMT_CONSTEXPR void on_error(const char* message) { if (message) handler.on_error(message); } }; FMT_ASSERT(begin != end, ""); if ('0' <= *begin && *begin <= '9') { int width = parse_nonnegative_int(begin, end, -1); if (width != -1) handler.on_width(width); else handler.on_error("number is too big"); } else if (*begin == '{') { ++begin; if (begin != end) begin = parse_arg_id(begin, end, width_adapter{handler}); if (begin == end || *begin != '}') return handler.on_error("invalid format string"), begin; ++begin; } return begin; } template FMT_CONSTEXPR auto parse_precision(const Char* begin, const Char* end, Handler&& handler) -> const Char* { using detail::auto_id; struct precision_adapter { Handler& handler; FMT_CONSTEXPR void operator()() { handler.on_dynamic_precision(auto_id()); } FMT_CONSTEXPR void operator()(int id) { handler.on_dynamic_precision(id); } FMT_CONSTEXPR void operator()(basic_string_view id) { handler.on_dynamic_precision(id); } FMT_CONSTEXPR void on_error(const char* message) { if (message) handler.on_error(message); } }; ++begin; auto c = begin != end ? *begin : Char(); if ('0' <= c && c <= '9') { auto precision = parse_nonnegative_int(begin, end, -1); if (precision != -1) handler.on_precision(precision); else handler.on_error("number is too big"); } else if (c == '{') { ++begin; if (begin != end) begin = parse_arg_id(begin, end, precision_adapter{handler}); if (begin == end || *begin++ != '}') return handler.on_error("invalid format string"), begin; } else { return handler.on_error("missing precision specifier"), begin; } handler.end_precision(); return begin; } // Parses standard format specifiers and sends notifications about parsed // components to handler. template FMT_CONSTEXPR FMT_INLINE auto parse_format_specs(const Char* begin, const Char* end, SpecHandler&& handler) -> const Char* { if (begin + 1 < end && begin[1] == '}' && is_ascii_letter(*begin) && *begin != 'L') { handler.on_type(*begin++); return begin; } if (begin == end) return begin; begin = parse_align(begin, end, handler); if (begin == end) return begin; // Parse sign. switch (to_ascii(*begin)) { case '+': handler.on_sign(sign::plus); ++begin; break; case '-': handler.on_sign(sign::minus); ++begin; break; case ' ': handler.on_sign(sign::space); ++begin; break; default: break; } if (begin == end) return begin; if (*begin == '#') { handler.on_hash(); if (++begin == end) return begin; } // Parse zero flag. if (*begin == '0') { handler.on_zero(); if (++begin == end) return begin; } begin = parse_width(begin, end, handler); if (begin == end) return begin; // Parse precision. if (*begin == '.') { begin = parse_precision(begin, end, handler); if (begin == end) return begin; } if (*begin == 'L') { handler.on_localized(); ++begin; } // Parse type. if (begin != end && *begin != '}') handler.on_type(*begin++); return begin; } template FMT_CONSTEXPR auto parse_replacement_field(const Char* begin, const Char* end, Handler&& handler) -> const Char* { struct id_adapter { Handler& handler; int arg_id; FMT_CONSTEXPR void operator()() { arg_id = handler.on_arg_id(); } FMT_CONSTEXPR void operator()(int id) { arg_id = handler.on_arg_id(id); } FMT_CONSTEXPR void operator()(basic_string_view id) { arg_id = handler.on_arg_id(id); } FMT_CONSTEXPR void on_error(const char* message) { if (message) handler.on_error(message); } }; ++begin; if (begin == end) return handler.on_error("invalid format string"), end; if (*begin == '}') { handler.on_replacement_field(handler.on_arg_id(), begin); } else if (*begin == '{') { handler.on_text(begin, begin + 1); } else { auto adapter = id_adapter{handler, 0}; begin = parse_arg_id(begin, end, adapter); Char c = begin != end ? *begin : Char(); if (c == '}') { handler.on_replacement_field(adapter.arg_id, begin); } else if (c == ':') { begin = handler.on_format_specs(adapter.arg_id, begin + 1, end); if (begin == end || *begin != '}') return handler.on_error("unknown format specifier"), end; } else { return handler.on_error("missing '}' in format string"), end; } } return begin + 1; } template FMT_CONSTEXPR FMT_INLINE void parse_format_string( basic_string_view format_str, Handler&& handler) { // this is most likely a name-lookup defect in msvc's modules implementation using detail::find; auto begin = format_str.data(); auto end = begin + format_str.size(); if (end - begin < 32) { // Use a simple loop instead of memchr for small strings. const Char* p = begin; while (p != end) { auto c = *p++; if (c == '{') { handler.on_text(begin, p - 1); begin = p = parse_replacement_field(p - 1, end, handler); } else if (c == '}') { if (p == end || *p != '}') return handler.on_error("unmatched '}' in format string"); handler.on_text(begin, p); begin = ++p; } } handler.on_text(begin, end); return; } struct writer { FMT_CONSTEXPR void operator()(const Char* pbegin, const Char* pend) { if (pbegin == pend) return; for (;;) { const Char* p = nullptr; if (!find(pbegin, pend, '}', p)) return handler_.on_text(pbegin, pend); ++p; if (p == pend || *p != '}') return handler_.on_error("unmatched '}' in format string"); handler_.on_text(pbegin, p); pbegin = p + 1; } } Handler& handler_; } write{handler}; while (begin != end) { // Doing two passes with memchr (one for '{' and another for '}') is up to // 2.5x faster than the naive one-pass implementation on big format strings. const Char* p = begin; if (*begin != '{' && !find(begin + 1, end, '{', p)) return write(begin, end); write(begin, p); begin = parse_replacement_field(p, end, handler); } } template FMT_CONSTEXPR auto parse_format_specs(ParseContext& ctx) -> decltype(ctx.begin()) { using char_type = typename ParseContext::char_type; using context = buffer_context; using mapped_type = conditional_t< mapped_type_constant::value != type::custom_type, decltype(arg_mapper().map(std::declval())), T>; auto f = conditional_t::value, formatter, fallback_formatter>(); return f.parse(ctx); } // A parse context with extra argument id checks. It is only used at compile // time because adding checks at runtime would introduce substantial overhead // and would be redundant since argument ids are checked when arguments are // retrieved anyway. template class compile_parse_context : public basic_format_parse_context { private: int num_args_; using base = basic_format_parse_context; public: explicit FMT_CONSTEXPR compile_parse_context( basic_string_view format_str, int num_args = (std::numeric_limits::max)(), ErrorHandler eh = {}) : base(format_str, eh), num_args_(num_args) {} FMT_CONSTEXPR auto next_arg_id() -> int { int id = base::next_arg_id(); if (id >= num_args_) this->on_error("argument not found"); return id; } FMT_CONSTEXPR void check_arg_id(int id) { base::check_arg_id(id); if (id >= num_args_) this->on_error("argument not found"); } using base::check_arg_id; }; template FMT_CONSTEXPR void check_int_type_spec(char spec, ErrorHandler&& eh) { switch (spec) { case 0: case 'd': case 'x': case 'X': case 'b': case 'B': case 'o': case 'c': break; default: eh.on_error("invalid type specifier"); break; } } // Checks char specs and returns true if the type spec is char (and not int). template FMT_CONSTEXPR auto check_char_specs(const basic_format_specs& specs, ErrorHandler&& eh = {}) -> bool { if (specs.type && specs.type != 'c') { check_int_type_spec(specs.type, eh); return false; } if (specs.align == align::numeric || specs.sign != sign::none || specs.alt) eh.on_error("invalid format specifier for char"); return true; } // A floating-point presentation format. enum class float_format : unsigned char { general, // General: exponent notation or fixed point based on magnitude. exp, // Exponent notation with the default precision of 6, e.g. 1.2e-3. fixed, // Fixed point with the default precision of 6, e.g. 0.0012. hex }; struct float_specs { int precision; float_format format : 8; sign_t sign : 8; bool upper : 1; bool locale : 1; bool binary32 : 1; bool use_grisu : 1; bool showpoint : 1; }; template FMT_CONSTEXPR auto parse_float_type_spec(const basic_format_specs& specs, ErrorHandler&& eh = {}) -> float_specs { auto result = float_specs(); result.showpoint = specs.alt; result.locale = specs.localized; switch (specs.type) { case 0: result.format = float_format::general; break; case 'G': result.upper = true; FMT_FALLTHROUGH; case 'g': result.format = float_format::general; break; case 'E': result.upper = true; FMT_FALLTHROUGH; case 'e': result.format = float_format::exp; result.showpoint |= specs.precision != 0; break; case 'F': result.upper = true; FMT_FALLTHROUGH; case 'f': result.format = float_format::fixed; result.showpoint |= specs.precision != 0; break; case 'A': result.upper = true; FMT_FALLTHROUGH; case 'a': result.format = float_format::hex; break; default: eh.on_error("invalid type specifier"); break; } return result; } template FMT_CONSTEXPR auto check_cstring_type_spec(Char spec, ErrorHandler&& eh = {}) -> bool { if (spec == 0 || spec == 's') return true; if (spec != 'p') eh.on_error("invalid type specifier"); return false; } 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"); } // A parse_format_specs handler that checks if specifiers are consistent with // the argument type. template class specs_checker : public Handler { private: detail::type arg_type_; FMT_CONSTEXPR void require_numeric_argument() { if (!is_arithmetic_type(arg_type_)) this->on_error("format specifier requires numeric argument"); } public: FMT_CONSTEXPR specs_checker(const Handler& handler, detail::type arg_type) : Handler(handler), arg_type_(arg_type) {} FMT_CONSTEXPR void on_align(align_t align) { if (align == align::numeric) require_numeric_argument(); Handler::on_align(align); } FMT_CONSTEXPR void on_sign(sign_t s) { require_numeric_argument(); if (is_integral_type(arg_type_) && arg_type_ != type::int_type && arg_type_ != type::long_long_type && arg_type_ != type::char_type) { this->on_error("format specifier requires signed argument"); } Handler::on_sign(s); } FMT_CONSTEXPR void on_hash() { require_numeric_argument(); Handler::on_hash(); } FMT_CONSTEXPR void on_localized() { require_numeric_argument(); Handler::on_localized(); } FMT_CONSTEXPR void on_zero() { require_numeric_argument(); Handler::on_zero(); } FMT_CONSTEXPR void end_precision() { if (is_integral_type(arg_type_) || arg_type_ == type::pointer_type) this->on_error("precision not allowed for this argument type"); } }; constexpr int invalid_arg_index = -1; #if FMT_USE_NONTYPE_TEMPLATE_PARAMETERS template constexpr auto get_arg_index_by_name(basic_string_view name) -> int { if constexpr (detail::is_statically_named_arg()) { if (name == T::name) return N; } if constexpr (sizeof...(Args) > 0) return get_arg_index_by_name(name); (void)name; // Workaround an MSVC bug about "unused" parameter. return invalid_arg_index; } #endif template FMT_CONSTEXPR auto get_arg_index_by_name(basic_string_view name) -> int { #if FMT_USE_NONTYPE_TEMPLATE_PARAMETERS if constexpr (sizeof...(Args) > 0) return get_arg_index_by_name<0, Args...>(name); #endif (void)name; return invalid_arg_index; } template class format_string_checker { private: using parse_context_type = compile_parse_context; enum { num_args = sizeof...(Args) }; // Format specifier parsing function. using parse_func = const Char* (*)(parse_context_type&); parse_context_type context_; parse_func parse_funcs_[num_args > 0 ? num_args : 1]; public: explicit FMT_CONSTEXPR format_string_checker( basic_string_view format_str, ErrorHandler eh) : context_(format_str, num_args, eh), parse_funcs_{&parse_format_specs...} {} FMT_CONSTEXPR void on_text(const Char*, const Char*) {} FMT_CONSTEXPR auto on_arg_id() -> int { return context_.next_arg_id(); } FMT_CONSTEXPR auto on_arg_id(int id) -> int { return context_.check_arg_id(id), id; } FMT_CONSTEXPR auto on_arg_id(basic_string_view id) -> int { #if FMT_USE_NONTYPE_TEMPLATE_PARAMETERS auto index = get_arg_index_by_name(id); if (index == invalid_arg_index) on_error("named argument is not found"); return context_.check_arg_id(index), index; #else (void)id; on_error("compile-time checks for named arguments require C++20 support"); return 0; #endif } FMT_CONSTEXPR void on_replacement_field(int, const Char*) {} FMT_CONSTEXPR auto on_format_specs(int id, const Char* begin, const Char*) -> const Char* { context_.advance_to(context_.begin() + (begin - &*context_.begin())); // id >= 0 check is a workaround for gcc 10 bug (#2065). return id >= 0 && id < num_args ? parse_funcs_[id](context_) : begin; } FMT_CONSTEXPR void on_error(const char* message) { context_.on_error(message); } }; template ::value), int>> void check_format_string(S format_str) { FMT_CONSTEXPR auto s = to_string_view(format_str); using checker = format_string_checker...>; FMT_CONSTEXPR bool invalid_format = (parse_format_string(s, checker(s, {})), true); (void)invalid_format; } template void vformat_to( buffer& buf, basic_string_view fmt, basic_format_args)> args, detail::locale_ref loc = {}); FMT_API void vprint_mojibake(std::FILE*, string_view, format_args); #ifndef _WIN32 inline void vprint_mojibake(std::FILE*, string_view, format_args) {} #endif FMT_END_DETAIL_NAMESPACE // A formatter specialization for the core types corresponding to detail::type // constants. template struct formatter::value != detail::type::custom_type>> { private: detail::dynamic_format_specs specs_; public: // Parses format specifiers stopping either at the end of the range or at the // terminating '}'. template FMT_CONSTEXPR auto parse(ParseContext& ctx) -> decltype(ctx.begin()) { auto begin = ctx.begin(), end = ctx.end(); if (begin == end) return begin; using handler_type = detail::dynamic_specs_handler; auto type = detail::type_constant::value; auto checker = detail::specs_checker(handler_type(specs_, ctx), type); auto it = detail::parse_format_specs(begin, end, checker); auto eh = ctx.error_handler(); switch (type) { case detail::type::none_type: FMT_ASSERT(false, "invalid argument type"); break; case detail::type::bool_type: if (!specs_.type || specs_.type == 's') break; FMT_FALLTHROUGH; case detail::type::int_type: case detail::type::uint_type: case detail::type::long_long_type: case detail::type::ulong_long_type: case detail::type::int128_type: case detail::type::uint128_type: detail::check_int_type_spec(specs_.type, eh); break; case detail::type::char_type: detail::check_char_specs(specs_, eh); break; case detail::type::float_type: if (detail::const_check(FMT_USE_FLOAT)) detail::parse_float_type_spec(specs_, eh); else FMT_ASSERT(false, "float support disabled"); break; case detail::type::double_type: if (detail::const_check(FMT_USE_DOUBLE)) detail::parse_float_type_spec(specs_, eh); else FMT_ASSERT(false, "double support disabled"); break; case detail::type::long_double_type: if (detail::const_check(FMT_USE_LONG_DOUBLE)) detail::parse_float_type_spec(specs_, eh); else FMT_ASSERT(false, "long double support disabled"); break; case detail::type::cstring_type: detail::check_cstring_type_spec(specs_.type, eh); break; case detail::type::string_type: detail::check_string_type_spec(specs_.type, eh); break; case detail::type::pointer_type: detail::check_pointer_type_spec(specs_.type, eh); break; case detail::type::custom_type: // Custom format specifiers are checked in parse functions of // formatter specializations. break; } return it; } template FMT_CONSTEXPR auto format(const T& val, FormatContext& ctx) const -> decltype(ctx.out()); }; template struct basic_runtime { basic_string_view str; }; template class basic_format_string { private: basic_string_view str_; public: template >::value)> FMT_CONSTEVAL basic_format_string(const S& s) : str_(s) { static_assert( detail::count< (std::is_base_of>::value && std::is_reference::value)...>() == 0, "passing views as lvalues is disallowed"); #ifdef FMT_HAS_CONSTEVAL if constexpr (detail::count_named_args() == 0) { using checker = detail::format_string_checker...>; detail::parse_format_string(str_, checker(s, {})); } #else detail::check_format_string(s); #endif } basic_format_string(basic_runtime r) : str_(r.str) {} FMT_INLINE operator basic_string_view() const { return str_; } }; #if FMT_GCC_VERSION && FMT_GCC_VERSION < 409 // Workaround broken conversion on older gcc. template using format_string = string_view; template auto runtime(const S& s) -> basic_string_view> { return s; } #else template using format_string = basic_format_string...>; // Creates a runtime format string. template auto runtime(const S& s) -> basic_runtime> { return {{s}}; } #endif FMT_API auto vformat(string_view fmt, format_args args) -> std::string; /** \rst Formats ``args`` according to specifications in ``fmt`` and returns the result as a string. **Example**:: #include std::string message = fmt::format("The answer is {}", 42); \endrst */ template FMT_INLINE auto format(format_string fmt, T&&... args) -> std::string { return vformat(fmt, fmt::make_format_args(args...)); } /** Formats a string and writes the output to ``out``. */ template ::value)> auto vformat_to(OutputIt out, string_view fmt, format_args args) -> OutputIt { using detail::get_buffer; auto&& buf = get_buffer(out); detail::vformat_to(buf, string_view(fmt), args); return detail::get_iterator(buf); } /** \rst Formats ``args`` according to specifications in ``fmt``, writes the result to the output iterator ``out`` and returns the iterator past the end of the output range. **Example**:: auto out = std::vector(); fmt::format_to(std::back_inserter(out), "{}", 42); \endrst */ template ::value)> FMT_INLINE auto format_to(OutputIt out, format_string fmt, T&&... args) -> OutputIt { return vformat_to(out, fmt, fmt::make_format_args(args...)); } template struct format_to_n_result { /** Iterator past the end of the output range. */ OutputIt out; /** Total (not truncated) output size. */ size_t size; }; template ::value)> auto vformat_to_n(OutputIt out, size_t n, string_view fmt, format_args args) -> format_to_n_result { using buffer = detail::iterator_buffer; auto buf = buffer(out, n); detail::vformat_to(buf, fmt, args); return {buf.out(), buf.count()}; } /** \rst Formats ``args`` according to specifications in ``fmt``, writes up to ``n`` characters of the result to the output iterator ``out`` and returns the total (not truncated) output size and the iterator past the end of the output range. \endrst */ template ::value)> FMT_INLINE auto format_to_n(OutputIt out, size_t n, format_string fmt, const T&... args) -> format_to_n_result { return vformat_to_n(out, n, fmt, fmt::make_format_args(args...)); } /** Returns the number of chars in the output of ``format(fmt, args...)``. */ template FMT_INLINE auto formatted_size(format_string fmt, T&&... args) -> size_t { auto buf = detail::counting_buffer<>(); detail::vformat_to(buf, string_view(fmt), fmt::make_format_args(args...)); return buf.count(); } FMT_API void vprint(string_view fmt, format_args args); FMT_API void vprint(std::FILE* f, string_view fmt, format_args args); /** \rst Formats ``args`` according to specifications in ``fmt`` and writes the output to ``stdout``. **Example**:: fmt::print("Elapsed time: {0:.2f} seconds", 1.23); \endrst */ template FMT_INLINE void print(format_string fmt, T&&... args) { const auto& vargs = fmt::make_format_args(args...); return detail::is_utf8() ? vprint(fmt, vargs) : detail::vprint_mojibake(stdout, fmt, vargs); } /** \rst Formats ``args`` according to specifications in ``fmt`` and writes the output to the file ``f``. **Example**:: fmt::print(stderr, "Don't {}!", "panic"); \endrst */ template FMT_INLINE void print(std::FILE* f, format_string fmt, T&&... args) { const auto& vargs = fmt::make_format_args(args...); return detail::is_utf8() ? vprint(f, fmt, vargs) : detail::vprint_mojibake(f, fmt, vargs); } FMT_MODULE_EXPORT_END FMT_GCC_PRAGMA("GCC pop_options") FMT_END_NAMESPACE #ifdef FMT_HEADER_ONLY # include "format.h" #endif #endif // FMT_CORE_H_ ================================================ FILE: vendor/spdlog/include/spdlog/fmt/bundled/format-inl.h ================================================ // Formatting library for C++ - implementation // // 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 #include #include // errno #include #include #include #include // std::memmove #include #include #ifndef FMT_STATIC_THOUSANDS_SEPARATOR # include #endif #ifdef _WIN32 # include // _isatty #endif #include "format.h" FMT_BEGIN_NAMESPACE namespace detail { FMT_FUNC void assert_fail(const char* file, int line, const char* message) { // Use unchecked std::fprintf to avoid triggering another assertion when // writing to stderr fails std::fprintf(stderr, "%s:%d: assertion failed: %s", file, line, message); // Chosen instead of std::abort to satisfy Clang in CUDA mode during device // code pass. std::terminate(); } #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 FMT_FUNC void format_error_code(detail::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.try_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. size_t error_code_size = sizeof(SEP) + sizeof(ERROR_STR) - 2; auto abs_value = static_cast>(error_code); if (detail::is_negative(error_code)) { abs_value = 0 - abs_value; ++error_code_size; } error_code_size += detail::to_unsigned(detail::count_digits(abs_value)); auto it = buffer_appender(out); if (message.size() <= inline_buffer_size - error_code_size) format_to(it, FMT_STRING("{}{}"), message, SEP); format_to(it, FMT_STRING("{}{}"), ERROR_STR, error_code); FMT_ASSERT(out.size() <= inline_buffer_size, ""); } FMT_FUNC void report_error(format_func func, int error_code, const char* message) FMT_NOEXCEPT { memory_buffer full_message; func(full_message, error_code, message); // Don't use fwrite_fully because the latter may throw. if (std::fwrite(full_message.data(), full_message.size(), 1, stderr) > 0) std::fputc('\n', stderr); } // A wrapper around fwrite that throws on error. inline void fwrite_fully(const void* ptr, size_t size, size_t count, FILE* stream) { size_t written = std::fwrite(ptr, size, count, stream); if (written < count) FMT_THROW(system_error(errno, "cannot write to file")); } #ifndef FMT_STATIC_THOUSANDS_SEPARATOR template locale_ref::locale_ref(const Locale& loc) : locale_(&loc) { static_assert(std::is_same::value, ""); } template Locale locale_ref::get() const { static_assert(std::is_same::value, ""); return locale_ ? *static_cast(locale_) : std::locale(); } template FMT_FUNC auto thousands_sep_impl(locale_ref loc) -> thousands_sep_result { auto& facet = std::use_facet>(loc.get()); auto grouping = facet.grouping(); auto thousands_sep = grouping.empty() ? Char() : facet.thousands_sep(); return {std::move(grouping), thousands_sep}; } template FMT_FUNC Char decimal_point_impl(locale_ref loc) { return std::use_facet>(loc.get()) .decimal_point(); } #else template FMT_FUNC auto thousands_sep_impl(locale_ref) -> thousands_sep_result { return {"\03", FMT_STATIC_THOUSANDS_SEPARATOR}; } template FMT_FUNC Char decimal_point_impl(locale_ref) { return '.'; } #endif } // namespace detail #if !FMT_MSC_VER FMT_API FMT_FUNC format_error::~format_error() FMT_NOEXCEPT = default; #endif FMT_FUNC std::system_error vsystem_error(int error_code, string_view format_str, format_args args) { auto ec = std::error_code(error_code, std::generic_category()); return std::system_error(ec, vformat(format_str, args)); } namespace detail { template <> FMT_FUNC int count_digits<4>(detail::fallback_uintptr n) { // fallback_uintptr is always stored in little endian. int i = static_cast(sizeof(void*)) - 1; while (i > 0 && n.value[i] == 0) --i; auto char_digits = std::numeric_limits::digits / 4; return i >= 0 ? i * char_digits + count_digits<4, unsigned>(n.value[i]) : 1; } #if __cplusplus < 201703L template constexpr const char basic_data::digits[][2]; template constexpr const char basic_data::hex_digits[]; template constexpr const char basic_data::signs[]; template constexpr const unsigned basic_data::prefixes[]; template constexpr const char basic_data::left_padding_shifts[]; template constexpr const char basic_data::right_padding_shifts[]; #endif template struct bits { static FMT_CONSTEXPR_DECL const int value = static_cast(sizeof(T) * std::numeric_limits::digits); }; class fp; template fp normalize(fp value); // Lower (upper) boundary is a value half way between a floating-point value // and its predecessor (successor). Boundaries have the same exponent as the // value so only significands are stored. struct boundaries { uint64_t lower; uint64_t upper; }; // A handmade floating-point number f * pow(2, e). class fp { private: using significand_type = uint64_t; template using is_supported_float = bool_constant; public: significand_type f; int e; // All sizes are in bits. // 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; static FMT_CONSTEXPR_DECL const int significand_size = bits::value; fp() : f(0), e(0) {} fp(uint64_t f_val, int e_val) : f(f_val), e(e_val) {} // 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) { assign(d); } // Assigns d to this and return true iff predecessor is closer than successor. template ::value)> bool assign(Float d) { // Assume float is in the format [sign][exponent][significand]. using limits = std::numeric_limits; const int float_significand_size = limits::digits - 1; const int exponent_size = bits::value - float_significand_size - 1; // -1 for sign const uint64_t float_implicit_bit = 1ULL << float_significand_size; const uint64_t significand_mask = float_implicit_bit - 1; const uint64_t exponent_mask = (~0ULL >> 1) & ~significand_mask; const int exponent_bias = (1 << exponent_size) - limits::max_exponent - 1; constexpr bool is_double = sizeof(Float) == sizeof(uint64_t); auto u = bit_cast>(d); f = u & significand_mask; int biased_e = static_cast((u & exponent_mask) >> float_significand_size); // Predecessor is closer if d is a normalized power of 2 (f == 0) other than // the smallest normalized number (biased_e > 1). bool is_predecessor_closer = f == 0 && biased_e > 1; if (biased_e != 0) f += float_implicit_bit; else biased_e = 1; // Subnormals use biased exponent 1 (min exponent). e = biased_e - exponent_bias - float_significand_size; return is_predecessor_closer; } template ::value)> bool assign(Float) { *this = fp(); return false; } }; // Normalizes the value converted from double and multiplied by (1 << SHIFT). template fp normalize(fp value) { // Handle subnormals. const auto shifted_implicit_bit = fp::implicit_bit << SHIFT; while ((value.f & shifted_implicit_bit) == 0) { value.f <<= 1; --value.e; } // Subtract 1 to account for hidden bit. const auto offset = fp::significand_size - fp::double_significand_size - SHIFT - 1; value.f <<= offset; value.e -= offset; return value; } inline bool operator==(fp x, fp y) { return x.f == y.f && x.e == y.e; } // Computes lhs * rhs / pow(2, 64) rounded to nearest with half-up tie breaking. inline uint64_t multiply(uint64_t lhs, uint64_t rhs) { #if FMT_USE_INT128 auto product = static_cast<__uint128_t>(lhs) * rhs; auto f = static_cast(product >> 64); return (static_cast(product) & (1ULL << 63)) != 0 ? f + 1 : f; #else // Multiply 32-bit parts of significands. uint64_t mask = (1ULL << 32) - 1; uint64_t a = lhs >> 32, b = lhs & mask; uint64_t c = rhs >> 32, d = rhs & 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 ac + (ad >> 32) + (bc >> 32) + (mid >> 32); #endif } inline fp operator*(fp x, fp y) { return {multiply(x.f, y.f), x.e + y.e + 64}; } // Returns a 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 + 28`. inline fp get_cached_power(int min_exponent, int& pow10_exponent) { // Normalized 64-bit significands of pow(10, k), for k = -348, -340, ..., 340. // These are generated by support/compute-powers.py. static constexpr const uint64_t 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. static constexpr const int16_t 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}; const int shift = 32; const auto significand = static_cast(data::log10_2_significand); int index = static_cast( ((min_exponent + fp::significand_size - 1) * (significand >> shift) + ((int64_t(1) << shift) - 1)) // ceil >> 32 // arithmetic shift ); // 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 {pow10_significands[index], pow10_exponents[index]}; } // A simple accumulator to hold the sums of terms in bigint::square if uint128_t // is not available. struct accumulator { uint64_t lower; uint64_t upper; accumulator() : lower(0), upper(0) {} explicit operator uint32_t() const { return static_cast(lower); } void operator+=(uint64_t n) { lower += n; if (lower < n) ++upper; } void operator>>=(int shift) { FMT_ASSERT(shift == 32, ""); (void)shift; lower = (upper << 32) | (lower >> 32); upper >>= 32; } }; class bigint { private: // A bigint is stored as an array of bigits (big digits), with bigit at index // 0 being the least significant one. using bigit = uint32_t; using double_bigit = uint64_t; enum { bigits_capacity = 32 }; basic_memory_buffer bigits_; int exp_; bigit operator[](int index) const { return bigits_[to_unsigned(index)]; } bigit& operator[](int index) { return bigits_[to_unsigned(index)]; } static FMT_CONSTEXPR_DECL const int bigit_bits = bits::value; friend struct formatter; void subtract_bigits(int index, bigit other, bigit& borrow) { auto result = static_cast((*this)[index]) - other - borrow; (*this)[index] = static_cast(result); borrow = static_cast(result >> (bigit_bits * 2 - 1)); } void remove_leading_zeros() { int num_bigits = static_cast(bigits_.size()) - 1; while (num_bigits > 0 && (*this)[num_bigits] == 0) --num_bigits; bigits_.resize(to_unsigned(num_bigits + 1)); } // Computes *this -= other assuming aligned bigints and *this >= other. void subtract_aligned(const bigint& other) { FMT_ASSERT(other.exp_ >= exp_, "unaligned bigints"); FMT_ASSERT(compare(*this, other) >= 0, ""); bigit borrow = 0; int i = other.exp_ - exp_; for (size_t j = 0, n = other.bigits_.size(); j != n; ++i, ++j) subtract_bigits(i, other.bigits_[j], borrow); while (borrow > 0) subtract_bigits(i, 0, borrow); remove_leading_zeros(); } void multiply(uint32_t value) { const double_bigit wide_value = value; bigit carry = 0; for (size_t i = 0, n = bigits_.size(); i < n; ++i) { double_bigit result = bigits_[i] * wide_value + carry; bigits_[i] = static_cast(result); carry = static_cast(result >> bigit_bits); } if (carry != 0) bigits_.push_back(carry); } void multiply(uint64_t value) { const bigit mask = ~bigit(0); const double_bigit lower = value & mask; const double_bigit upper = value >> bigit_bits; double_bigit carry = 0; for (size_t i = 0, n = bigits_.size(); i < n; ++i) { double_bigit result = bigits_[i] * lower + (carry & mask); carry = bigits_[i] * upper + (result >> bigit_bits) + (carry >> bigit_bits); bigits_[i] = static_cast(result); } while (carry != 0) { bigits_.push_back(carry & mask); carry >>= bigit_bits; } } public: bigint() : exp_(0) {} explicit bigint(uint64_t n) { assign(n); } ~bigint() { FMT_ASSERT(bigits_.capacity() <= bigits_capacity, ""); } bigint(const bigint&) = delete; void operator=(const bigint&) = delete; void assign(const bigint& other) { auto size = other.bigits_.size(); bigits_.resize(size); auto data = other.bigits_.data(); std::copy(data, data + size, make_checked(bigits_.data(), size)); exp_ = other.exp_; } void assign(uint64_t n) { size_t num_bigits = 0; do { bigits_[num_bigits++] = n & ~bigit(0); n >>= bigit_bits; } while (n != 0); bigits_.resize(num_bigits); exp_ = 0; } int num_bigits() const { return static_cast(bigits_.size()) + exp_; } FMT_NOINLINE bigint& operator<<=(int shift) { FMT_ASSERT(shift >= 0, ""); exp_ += shift / bigit_bits; shift %= bigit_bits; if (shift == 0) return *this; bigit carry = 0; for (size_t i = 0, n = bigits_.size(); i < n; ++i) { bigit c = bigits_[i] >> (bigit_bits - shift); bigits_[i] = (bigits_[i] << shift) + carry; carry = c; } if (carry != 0) bigits_.push_back(carry); return *this; } template bigint& operator*=(Int value) { FMT_ASSERT(value > 0, ""); multiply(uint32_or_64_or_128_t(value)); return *this; } friend int compare(const bigint& lhs, const bigint& rhs) { int num_lhs_bigits = lhs.num_bigits(), num_rhs_bigits = rhs.num_bigits(); if (num_lhs_bigits != num_rhs_bigits) return num_lhs_bigits > num_rhs_bigits ? 1 : -1; int i = static_cast(lhs.bigits_.size()) - 1; int j = static_cast(rhs.bigits_.size()) - 1; int end = i - j; if (end < 0) end = 0; for (; i >= end; --i, --j) { bigit lhs_bigit = lhs[i], rhs_bigit = rhs[j]; if (lhs_bigit != rhs_bigit) return lhs_bigit > rhs_bigit ? 1 : -1; } if (i != j) return i > j ? 1 : -1; return 0; } // Returns compare(lhs1 + lhs2, rhs). friend int add_compare(const bigint& lhs1, const bigint& lhs2, const bigint& rhs) { int max_lhs_bigits = (std::max)(lhs1.num_bigits(), lhs2.num_bigits()); int num_rhs_bigits = rhs.num_bigits(); if (max_lhs_bigits + 1 < num_rhs_bigits) return -1; if (max_lhs_bigits > num_rhs_bigits) return 1; auto get_bigit = [](const bigint& n, int i) -> bigit { return i >= n.exp_ && i < n.num_bigits() ? n[i - n.exp_] : 0; }; double_bigit borrow = 0; int min_exp = (std::min)((std::min)(lhs1.exp_, lhs2.exp_), rhs.exp_); for (int i = num_rhs_bigits - 1; i >= min_exp; --i) { double_bigit sum = static_cast(get_bigit(lhs1, i)) + get_bigit(lhs2, i); bigit rhs_bigit = get_bigit(rhs, i); if (sum > rhs_bigit + borrow) return 1; borrow = rhs_bigit + borrow - sum; if (borrow > 1) return -1; borrow <<= bigit_bits; } return borrow != 0 ? -1 : 0; } // Assigns pow(10, exp) to this bigint. void assign_pow10(int exp) { FMT_ASSERT(exp >= 0, ""); if (exp == 0) return assign(1); // Find the top bit. int bitmask = 1; while (exp >= bitmask) bitmask <<= 1; bitmask >>= 1; // pow(10, exp) = pow(5, exp) * pow(2, exp). First compute pow(5, exp) by // repeated squaring and multiplication. assign(5); bitmask >>= 1; while (bitmask != 0) { square(); if ((exp & bitmask) != 0) *this *= 5; bitmask >>= 1; } *this <<= exp; // Multiply by pow(2, exp) by shifting. } void square() { int num_bigits = static_cast(bigits_.size()); int num_result_bigits = 2 * num_bigits; basic_memory_buffer n(std::move(bigits_)); bigits_.resize(to_unsigned(num_result_bigits)); using accumulator_t = conditional_t; auto sum = accumulator_t(); for (int bigit_index = 0; bigit_index < num_bigits; ++bigit_index) { // Compute bigit at position bigit_index of the result by adding // cross-product terms n[i] * n[j] such that i + j == bigit_index. for (int i = 0, j = bigit_index; j >= 0; ++i, --j) { // Most terms are multiplied twice which can be optimized in the future. sum += static_cast(n[i]) * n[j]; } (*this)[bigit_index] = static_cast(sum); sum >>= bits::value; // Compute the carry. } // Do the same for the top half. for (int bigit_index = num_bigits; bigit_index < num_result_bigits; ++bigit_index) { for (int j = num_bigits - 1, i = bigit_index - j; i < num_bigits;) sum += static_cast(n[i++]) * n[j--]; (*this)[bigit_index] = static_cast(sum); sum >>= bits::value; } --num_result_bigits; remove_leading_zeros(); exp_ *= 2; } // If this bigint has a bigger exponent than other, adds trailing zero to make // exponents equal. This simplifies some operations such as subtraction. void align(const bigint& other) { int exp_difference = exp_ - other.exp_; if (exp_difference <= 0) return; int num_bigits = static_cast(bigits_.size()); bigits_.resize(to_unsigned(num_bigits + exp_difference)); for (int i = num_bigits - 1, j = i + exp_difference; i >= 0; --i, --j) bigits_[j] = bigits_[i]; std::uninitialized_fill_n(bigits_.data(), exp_difference, 0); exp_ -= exp_difference; } // Divides this bignum by divisor, assigning the remainder to this and // returning the quotient. int divmod_assign(const bigint& divisor) { FMT_ASSERT(this != &divisor, ""); if (compare(*this, divisor) < 0) return 0; FMT_ASSERT(divisor.bigits_[divisor.bigits_.size() - 1u] != 0, ""); align(divisor); int quotient = 0; do { subtract_aligned(divisor); ++quotient; } while (compare(*this, divisor) >= 0); return quotient; } }; enum class round_direction { unknown, up, down }; // Given the divisor (normally a power of 10), the remainder = v % divisor for // some number v and the error, returns whether v should be rounded up, down, or // whether the rounding direction can't be determined due to error. // error should be less than divisor / 2. inline round_direction get_round_direction(uint64_t divisor, uint64_t remainder, uint64_t error) { FMT_ASSERT(remainder < divisor, ""); // divisor - remainder won't overflow. FMT_ASSERT(error < divisor, ""); // divisor - error won't overflow. FMT_ASSERT(error < divisor - error, ""); // error * 2 won't overflow. // Round down if (remainder + error) * 2 <= divisor. if (remainder <= divisor - remainder && error * 2 <= divisor - remainder * 2) return round_direction::down; // Round up if (remainder - error) * 2 >= divisor. if (remainder >= error && remainder - error >= divisor - (remainder - error)) { return round_direction::up; } return round_direction::unknown; } namespace digits { enum result { more, // Generate more digits. done, // Done generating digits. error // Digit generation cancelled due to an error. }; } inline uint64_t power_of_10_64(int exp) { static constexpr const uint64_t data[] = {1, FMT_POWERS_OF_10(1), FMT_POWERS_OF_10(1000000000ULL), 10000000000000000000ULL}; return data[exp]; } // Generates output using the Grisu digit-gen algorithm. // error: the size of the region (lower, upper) outside of which numbers // definitely do not round to value (Delta in Grisu3). template FMT_INLINE digits::result grisu_gen_digits(fp value, uint64_t error, int& exp, Handler& handler) { const fp one(1ULL << -value.e, value.e); // The integral part of scaled value (p1 in Grisu) = value / one. It cannot be // zero because it contains a product of two 64-bit numbers with MSB set (due // to normalization) - 1, shifted right by at most 60 bits. auto integral = static_cast(value.f >> -one.e); FMT_ASSERT(integral != 0, ""); FMT_ASSERT(integral == value.f >> -one.e, ""); // The fractional part of scaled value (p2 in Grisu) c = value % one. uint64_t fractional = value.f & (one.f - 1); exp = count_digits(integral); // kappa in Grisu. // Divide by 10 to prevent overflow. auto result = handler.on_start(power_of_10_64(exp - 1) << -one.e, value.f / 10, error * 10, exp); if (result != digits::more) return result; // Generate digits for the integral part. This can produce up to 10 digits. do { uint32_t digit = 0; auto divmod_integral = [&](uint32_t divisor) { digit = integral / divisor; integral %= divisor; }; // This optimization by Milo Yip reduces the number of integer divisions by // one per iteration. switch (exp) { case 10: divmod_integral(1000000000); break; case 9: divmod_integral(100000000); break; case 8: divmod_integral(10000000); break; case 7: divmod_integral(1000000); break; case 6: divmod_integral(100000); break; case 5: divmod_integral(10000); break; case 4: divmod_integral(1000); break; case 3: divmod_integral(100); break; case 2: divmod_integral(10); break; case 1: digit = integral; integral = 0; break; default: FMT_ASSERT(false, "invalid number of digits"); } --exp; auto remainder = (static_cast(integral) << -one.e) + fractional; result = handler.on_digit(static_cast('0' + digit), power_of_10_64(exp) << -one.e, remainder, error, exp, true); if (result != digits::more) return result; } while (exp > 0); // Generate digits for the fractional part. for (;;) { fractional *= 10; error *= 10; char digit = static_cast('0' + (fractional >> -one.e)); fractional &= one.f - 1; --exp; result = handler.on_digit(digit, one.f, fractional, error, exp, false); if (result != digits::more) return result; } } // The fixed precision digit handler. struct fixed_handler { char* buf; int size; int precision; int exp10; bool fixed; digits::result on_start(uint64_t divisor, uint64_t remainder, uint64_t error, int& exp) { // Non-fixed formats require at least one digit and no precision adjustment. if (!fixed) return digits::more; // Adjust fixed precision by exponent because it is relative to decimal // point. precision += exp + exp10; // Check if precision is satisfied just by leading zeros, e.g. // format("{:.2f}", 0.001) gives "0.00" without generating any digits. if (precision > 0) return digits::more; if (precision < 0) return digits::done; auto dir = get_round_direction(divisor, remainder, error); if (dir == round_direction::unknown) return digits::error; buf[size++] = dir == round_direction::up ? '1' : '0'; return digits::done; } digits::result on_digit(char digit, uint64_t divisor, uint64_t remainder, uint64_t error, int, bool integral) { FMT_ASSERT(remainder < divisor, ""); buf[size++] = digit; if (!integral && error >= remainder) return digits::error; if (size < precision) return digits::more; if (!integral) { // Check if error * 2 < divisor with overflow prevention. // The check is not needed for the integral part because error = 1 // and divisor > (1 << 32) there. if (error >= divisor || error >= divisor - error) return digits::error; } else { FMT_ASSERT(error == 1 && divisor > 2, ""); } auto dir = get_round_direction(divisor, remainder, error); if (dir != round_direction::up) return dir == round_direction::down ? digits::done : digits::error; ++buf[size - 1]; for (int i = size - 1; i > 0 && buf[i] > '9'; --i) { buf[i] = '0'; ++buf[i - 1]; } if (buf[0] > '9') { buf[0] = '1'; if (fixed) buf[size++] = '0'; else ++exp10; } return digits::done; } }; // A 128-bit integer type used internally, struct uint128_wrapper { uint128_wrapper() = default; #if FMT_USE_INT128 uint128_t internal_; constexpr uint128_wrapper(uint64_t high, uint64_t low) FMT_NOEXCEPT : internal_{static_cast(low) | (static_cast(high) << 64)} {} constexpr uint128_wrapper(uint128_t u) : internal_{u} {} constexpr uint64_t high() const FMT_NOEXCEPT { return uint64_t(internal_ >> 64); } constexpr uint64_t low() const FMT_NOEXCEPT { return uint64_t(internal_); } uint128_wrapper& operator+=(uint64_t n) FMT_NOEXCEPT { internal_ += n; return *this; } #else uint64_t high_; uint64_t low_; constexpr uint128_wrapper(uint64_t high, uint64_t low) FMT_NOEXCEPT : high_{high}, low_{low} {} constexpr uint64_t high() const FMT_NOEXCEPT { return high_; } constexpr uint64_t low() const FMT_NOEXCEPT { return low_; } uint128_wrapper& operator+=(uint64_t n) FMT_NOEXCEPT { # if defined(_MSC_VER) && defined(_M_X64) unsigned char carry = _addcarry_u64(0, low_, n, &low_); _addcarry_u64(carry, high_, 0, &high_); return *this; # else uint64_t sum = low_ + n; high_ += (sum < low_ ? 1 : 0); low_ = sum; return *this; # endif } #endif }; // Implementation of Dragonbox algorithm: https://github.com/jk-jeon/dragonbox. namespace dragonbox { // Computes 128-bit result of multiplication of two 64-bit unsigned integers. inline uint128_wrapper umul128(uint64_t x, uint64_t y) FMT_NOEXCEPT { #if FMT_USE_INT128 return static_cast(x) * static_cast(y); #elif defined(_MSC_VER) && defined(_M_X64) uint128_wrapper result; result.low_ = _umul128(x, y, &result.high_); return result; #else const uint64_t mask = (uint64_t(1) << 32) - uint64_t(1); uint64_t a = x >> 32; uint64_t b = x & mask; uint64_t c = y >> 32; uint64_t d = y & mask; uint64_t ac = a * c; uint64_t bc = b * c; uint64_t ad = a * d; uint64_t bd = b * d; uint64_t intermediate = (bd >> 32) + (ad & mask) + (bc & mask); return {ac + (intermediate >> 32) + (ad >> 32) + (bc >> 32), (intermediate << 32) + (bd & mask)}; #endif } // Computes upper 64 bits of multiplication of two 64-bit unsigned integers. inline uint64_t umul128_upper64(uint64_t x, uint64_t y) FMT_NOEXCEPT { #if FMT_USE_INT128 auto p = static_cast(x) * static_cast(y); return static_cast(p >> 64); #elif defined(_MSC_VER) && defined(_M_X64) return __umulh(x, y); #else return umul128(x, y).high(); #endif } // Computes upper 64 bits of multiplication of a 64-bit unsigned integer and a // 128-bit unsigned integer. inline uint64_t umul192_upper64(uint64_t x, uint128_wrapper y) FMT_NOEXCEPT { uint128_wrapper g0 = umul128(x, y.high()); g0 += umul128_upper64(x, y.low()); return g0.high(); } // Computes upper 32 bits of multiplication of a 32-bit unsigned integer and a // 64-bit unsigned integer. inline uint32_t umul96_upper32(uint32_t x, uint64_t y) FMT_NOEXCEPT { return static_cast(umul128_upper64(x, y)); } // Computes middle 64 bits of multiplication of a 64-bit unsigned integer and a // 128-bit unsigned integer. inline uint64_t umul192_middle64(uint64_t x, uint128_wrapper y) FMT_NOEXCEPT { uint64_t g01 = x * y.high(); uint64_t g10 = umul128_upper64(x, y.low()); return g01 + g10; } // Computes lower 64 bits of multiplication of a 32-bit unsigned integer and a // 64-bit unsigned integer. inline uint64_t umul96_lower64(uint32_t x, uint64_t y) FMT_NOEXCEPT { return x * y; } // Computes floor(log10(pow(2, e))) for e in [-1700, 1700] using the method from // https://fmt.dev/papers/Grisu-Exact.pdf#page=5, section 3.4. inline int floor_log10_pow2(int e) FMT_NOEXCEPT { FMT_ASSERT(e <= 1700 && e >= -1700, "too large exponent"); const int shift = 22; return (e * static_cast(data::log10_2_significand >> (64 - shift))) >> shift; } // Various fast log computations. inline int floor_log2_pow10(int e) FMT_NOEXCEPT { FMT_ASSERT(e <= 1233 && e >= -1233, "too large exponent"); const uint64_t log2_10_integer_part = 3; const uint64_t log2_10_fractional_digits = 0x5269e12f346e2bf9; const int shift_amount = 19; return (e * static_cast( (log2_10_integer_part << shift_amount) | (log2_10_fractional_digits >> (64 - shift_amount)))) >> shift_amount; } inline int floor_log10_pow2_minus_log10_4_over_3(int e) FMT_NOEXCEPT { FMT_ASSERT(e <= 1700 && e >= -1700, "too large exponent"); const uint64_t log10_4_over_3_fractional_digits = 0x1ffbfc2bbc780375; const int shift_amount = 22; return (e * static_cast(data::log10_2_significand >> (64 - shift_amount)) - static_cast(log10_4_over_3_fractional_digits >> (64 - shift_amount))) >> shift_amount; } // Returns true iff x is divisible by pow(2, exp). inline bool divisible_by_power_of_2(uint32_t x, int exp) FMT_NOEXCEPT { FMT_ASSERT(exp >= 1, ""); FMT_ASSERT(x != 0, ""); #ifdef FMT_BUILTIN_CTZ return FMT_BUILTIN_CTZ(x) >= exp; #else return exp < num_bits() && x == ((x >> exp) << exp); #endif } inline bool divisible_by_power_of_2(uint64_t x, int exp) FMT_NOEXCEPT { FMT_ASSERT(exp >= 1, ""); FMT_ASSERT(x != 0, ""); #ifdef FMT_BUILTIN_CTZLL return FMT_BUILTIN_CTZLL(x) >= exp; #else return exp < num_bits() && x == ((x >> exp) << exp); #endif } // Table entry type for divisibility test. template struct divtest_table_entry { T mod_inv; T max_quotient; }; // Returns true iff x is divisible by pow(5, exp). inline bool divisible_by_power_of_5(uint32_t x, int exp) FMT_NOEXCEPT { FMT_ASSERT(exp <= 10, "too large exponent"); static constexpr const divtest_table_entry divtest_table[] = { {0x00000001, 0xffffffff}, {0xcccccccd, 0x33333333}, {0xc28f5c29, 0x0a3d70a3}, {0x26e978d5, 0x020c49ba}, {0x3afb7e91, 0x0068db8b}, {0x0bcbe61d, 0x0014f8b5}, {0x68c26139, 0x000431bd}, {0xae8d46a5, 0x0000d6bf}, {0x22e90e21, 0x00002af3}, {0x3a2e9c6d, 0x00000897}, {0x3ed61f49, 0x000001b7}}; return x * divtest_table[exp].mod_inv <= divtest_table[exp].max_quotient; } inline bool divisible_by_power_of_5(uint64_t x, int exp) FMT_NOEXCEPT { FMT_ASSERT(exp <= 23, "too large exponent"); static constexpr const divtest_table_entry divtest_table[] = { {0x0000000000000001, 0xffffffffffffffff}, {0xcccccccccccccccd, 0x3333333333333333}, {0x8f5c28f5c28f5c29, 0x0a3d70a3d70a3d70}, {0x1cac083126e978d5, 0x020c49ba5e353f7c}, {0xd288ce703afb7e91, 0x0068db8bac710cb2}, {0x5d4e8fb00bcbe61d, 0x0014f8b588e368f0}, {0x790fb65668c26139, 0x000431bde82d7b63}, {0xe5032477ae8d46a5, 0x0000d6bf94d5e57a}, {0xc767074b22e90e21, 0x00002af31dc46118}, {0x8e47ce423a2e9c6d, 0x0000089705f4136b}, {0x4fa7f60d3ed61f49, 0x000001b7cdfd9d7b}, {0x0fee64690c913975, 0x00000057f5ff85e5}, {0x3662e0e1cf503eb1, 0x000000119799812d}, {0xa47a2cf9f6433fbd, 0x0000000384b84d09}, {0x54186f653140a659, 0x00000000b424dc35}, {0x7738164770402145, 0x0000000024075f3d}, {0xe4a4d1417cd9a041, 0x000000000734aca5}, {0xc75429d9e5c5200d, 0x000000000170ef54}, {0xc1773b91fac10669, 0x000000000049c977}, {0x26b172506559ce15, 0x00000000000ec1e4}, {0xd489e3a9addec2d1, 0x000000000002f394}, {0x90e860bb892c8d5d, 0x000000000000971d}, {0x502e79bf1b6f4f79, 0x0000000000001e39}, {0xdcd618596be30fe5, 0x000000000000060b}}; return x * divtest_table[exp].mod_inv <= divtest_table[exp].max_quotient; } // Replaces n by floor(n / pow(5, N)) returning true if and only if n is // divisible by pow(5, N). // Precondition: n <= 2 * pow(5, N + 1). template bool check_divisibility_and_divide_by_pow5(uint32_t& n) FMT_NOEXCEPT { static constexpr struct { uint32_t magic_number; int bits_for_comparison; uint32_t threshold; int shift_amount; } infos[] = {{0xcccd, 16, 0x3333, 18}, {0xa429, 8, 0x0a, 20}}; constexpr auto info = infos[N - 1]; n *= info.magic_number; const uint32_t comparison_mask = (1u << info.bits_for_comparison) - 1; bool result = (n & comparison_mask) <= info.threshold; n >>= info.shift_amount; return result; } // Computes floor(n / pow(10, N)) for small n and N. // Precondition: n <= pow(10, N + 1). template uint32_t small_division_by_pow10(uint32_t n) FMT_NOEXCEPT { static constexpr struct { uint32_t magic_number; int shift_amount; uint32_t divisor_times_10; } infos[] = {{0xcccd, 19, 100}, {0xa3d8, 22, 1000}}; constexpr auto info = infos[N - 1]; FMT_ASSERT(n <= info.divisor_times_10, "n is too large"); return n * info.magic_number >> info.shift_amount; } // Computes floor(n / 10^(kappa + 1)) (float) inline uint32_t divide_by_10_to_kappa_plus_1(uint32_t n) FMT_NOEXCEPT { return n / float_info::big_divisor; } // Computes floor(n / 10^(kappa + 1)) (double) inline uint64_t divide_by_10_to_kappa_plus_1(uint64_t n) FMT_NOEXCEPT { return umul128_upper64(n, 0x83126e978d4fdf3c) >> 9; } // Various subroutines using pow10 cache template struct cache_accessor; template <> struct cache_accessor { using carrier_uint = float_info::carrier_uint; using cache_entry_type = uint64_t; static uint64_t get_cached_power(int k) FMT_NOEXCEPT { FMT_ASSERT(k >= float_info::min_k && k <= float_info::max_k, "k is out of range"); constexpr const uint64_t pow10_significands[] = { 0x81ceb32c4b43fcf5, 0xa2425ff75e14fc32, 0xcad2f7f5359a3b3f, 0xfd87b5f28300ca0e, 0x9e74d1b791e07e49, 0xc612062576589ddb, 0xf79687aed3eec552, 0x9abe14cd44753b53, 0xc16d9a0095928a28, 0xf1c90080baf72cb2, 0x971da05074da7bef, 0xbce5086492111aeb, 0xec1e4a7db69561a6, 0x9392ee8e921d5d08, 0xb877aa3236a4b44a, 0xe69594bec44de15c, 0x901d7cf73ab0acda, 0xb424dc35095cd810, 0xe12e13424bb40e14, 0x8cbccc096f5088cc, 0xafebff0bcb24aaff, 0xdbe6fecebdedd5bf, 0x89705f4136b4a598, 0xabcc77118461cefd, 0xd6bf94d5e57a42bd, 0x8637bd05af6c69b6, 0xa7c5ac471b478424, 0xd1b71758e219652c, 0x83126e978d4fdf3c, 0xa3d70a3d70a3d70b, 0xcccccccccccccccd, 0x8000000000000000, 0xa000000000000000, 0xc800000000000000, 0xfa00000000000000, 0x9c40000000000000, 0xc350000000000000, 0xf424000000000000, 0x9896800000000000, 0xbebc200000000000, 0xee6b280000000000, 0x9502f90000000000, 0xba43b74000000000, 0xe8d4a51000000000, 0x9184e72a00000000, 0xb5e620f480000000, 0xe35fa931a0000000, 0x8e1bc9bf04000000, 0xb1a2bc2ec5000000, 0xde0b6b3a76400000, 0x8ac7230489e80000, 0xad78ebc5ac620000, 0xd8d726b7177a8000, 0x878678326eac9000, 0xa968163f0a57b400, 0xd3c21bcecceda100, 0x84595161401484a0, 0xa56fa5b99019a5c8, 0xcecb8f27f4200f3a, 0x813f3978f8940984, 0xa18f07d736b90be5, 0xc9f2c9cd04674ede, 0xfc6f7c4045812296, 0x9dc5ada82b70b59d, 0xc5371912364ce305, 0xf684df56c3e01bc6, 0x9a130b963a6c115c, 0xc097ce7bc90715b3, 0xf0bdc21abb48db20, 0x96769950b50d88f4, 0xbc143fa4e250eb31, 0xeb194f8e1ae525fd, 0x92efd1b8d0cf37be, 0xb7abc627050305ad, 0xe596b7b0c643c719, 0x8f7e32ce7bea5c6f, 0xb35dbf821ae4f38b, 0xe0352f62a19e306e}; return pow10_significands[k - float_info::min_k]; } static carrier_uint compute_mul(carrier_uint u, const cache_entry_type& cache) FMT_NOEXCEPT { return umul96_upper32(u, cache); } static uint32_t compute_delta(const cache_entry_type& cache, int beta_minus_1) FMT_NOEXCEPT { return static_cast(cache >> (64 - 1 - beta_minus_1)); } static bool compute_mul_parity(carrier_uint two_f, const cache_entry_type& cache, int beta_minus_1) FMT_NOEXCEPT { FMT_ASSERT(beta_minus_1 >= 1, ""); FMT_ASSERT(beta_minus_1 < 64, ""); return ((umul96_lower64(two_f, cache) >> (64 - beta_minus_1)) & 1) != 0; } static carrier_uint compute_left_endpoint_for_shorter_interval_case( const cache_entry_type& cache, int beta_minus_1) FMT_NOEXCEPT { return static_cast( (cache - (cache >> (float_info::significand_bits + 2))) >> (64 - float_info::significand_bits - 1 - beta_minus_1)); } static carrier_uint compute_right_endpoint_for_shorter_interval_case( const cache_entry_type& cache, int beta_minus_1) FMT_NOEXCEPT { return static_cast( (cache + (cache >> (float_info::significand_bits + 1))) >> (64 - float_info::significand_bits - 1 - beta_minus_1)); } static carrier_uint compute_round_up_for_shorter_interval_case( const cache_entry_type& cache, int beta_minus_1) FMT_NOEXCEPT { return (static_cast( cache >> (64 - float_info::significand_bits - 2 - beta_minus_1)) + 1) / 2; } }; template <> struct cache_accessor { using carrier_uint = float_info::carrier_uint; using cache_entry_type = uint128_wrapper; static uint128_wrapper get_cached_power(int k) FMT_NOEXCEPT { FMT_ASSERT(k >= float_info::min_k && k <= float_info::max_k, "k is out of range"); static constexpr const uint128_wrapper pow10_significands[] = { #if FMT_USE_FULL_CACHE_DRAGONBOX {0xff77b1fcbebcdc4f, 0x25e8e89c13bb0f7b}, {0x9faacf3df73609b1, 0x77b191618c54e9ad}, {0xc795830d75038c1d, 0xd59df5b9ef6a2418}, {0xf97ae3d0d2446f25, 0x4b0573286b44ad1e}, {0x9becce62836ac577, 0x4ee367f9430aec33}, {0xc2e801fb244576d5, 0x229c41f793cda740}, {0xf3a20279ed56d48a, 0x6b43527578c11110}, {0x9845418c345644d6, 0x830a13896b78aaaa}, {0xbe5691ef416bd60c, 0x23cc986bc656d554}, {0xedec366b11c6cb8f, 0x2cbfbe86b7ec8aa9}, {0x94b3a202eb1c3f39, 0x7bf7d71432f3d6aa}, {0xb9e08a83a5e34f07, 0xdaf5ccd93fb0cc54}, {0xe858ad248f5c22c9, 0xd1b3400f8f9cff69}, {0x91376c36d99995be, 0x23100809b9c21fa2}, {0xb58547448ffffb2d, 0xabd40a0c2832a78b}, {0xe2e69915b3fff9f9, 0x16c90c8f323f516d}, {0x8dd01fad907ffc3b, 0xae3da7d97f6792e4}, {0xb1442798f49ffb4a, 0x99cd11cfdf41779d}, {0xdd95317f31c7fa1d, 0x40405643d711d584}, {0x8a7d3eef7f1cfc52, 0x482835ea666b2573}, {0xad1c8eab5ee43b66, 0xda3243650005eed0}, {0xd863b256369d4a40, 0x90bed43e40076a83}, {0x873e4f75e2224e68, 0x5a7744a6e804a292}, {0xa90de3535aaae202, 0x711515d0a205cb37}, {0xd3515c2831559a83, 0x0d5a5b44ca873e04}, {0x8412d9991ed58091, 0xe858790afe9486c3}, {0xa5178fff668ae0b6, 0x626e974dbe39a873}, {0xce5d73ff402d98e3, 0xfb0a3d212dc81290}, {0x80fa687f881c7f8e, 0x7ce66634bc9d0b9a}, {0xa139029f6a239f72, 0x1c1fffc1ebc44e81}, {0xc987434744ac874e, 0xa327ffb266b56221}, {0xfbe9141915d7a922, 0x4bf1ff9f0062baa9}, {0x9d71ac8fada6c9b5, 0x6f773fc3603db4aa}, {0xc4ce17b399107c22, 0xcb550fb4384d21d4}, {0xf6019da07f549b2b, 0x7e2a53a146606a49}, {0x99c102844f94e0fb, 0x2eda7444cbfc426e}, {0xc0314325637a1939, 0xfa911155fefb5309}, {0xf03d93eebc589f88, 0x793555ab7eba27cb}, {0x96267c7535b763b5, 0x4bc1558b2f3458df}, {0xbbb01b9283253ca2, 0x9eb1aaedfb016f17}, {0xea9c227723ee8bcb, 0x465e15a979c1cadd}, {0x92a1958a7675175f, 0x0bfacd89ec191eca}, {0xb749faed14125d36, 0xcef980ec671f667c}, {0xe51c79a85916f484, 0x82b7e12780e7401b}, {0x8f31cc0937ae58d2, 0xd1b2ecb8b0908811}, {0xb2fe3f0b8599ef07, 0x861fa7e6dcb4aa16}, {0xdfbdcece67006ac9, 0x67a791e093e1d49b}, {0x8bd6a141006042bd, 0xe0c8bb2c5c6d24e1}, {0xaecc49914078536d, 0x58fae9f773886e19}, {0xda7f5bf590966848, 0xaf39a475506a899f}, {0x888f99797a5e012d, 0x6d8406c952429604}, {0xaab37fd7d8f58178, 0xc8e5087ba6d33b84}, {0xd5605fcdcf32e1d6, 0xfb1e4a9a90880a65}, {0x855c3be0a17fcd26, 0x5cf2eea09a550680}, {0xa6b34ad8c9dfc06f, 0xf42faa48c0ea481f}, {0xd0601d8efc57b08b, 0xf13b94daf124da27}, {0x823c12795db6ce57, 0x76c53d08d6b70859}, {0xa2cb1717b52481ed, 0x54768c4b0c64ca6f}, {0xcb7ddcdda26da268, 0xa9942f5dcf7dfd0a}, {0xfe5d54150b090b02, 0xd3f93b35435d7c4d}, {0x9efa548d26e5a6e1, 0xc47bc5014a1a6db0}, {0xc6b8e9b0709f109a, 0x359ab6419ca1091c}, {0xf867241c8cc6d4c0, 0xc30163d203c94b63}, {0x9b407691d7fc44f8, 0x79e0de63425dcf1e}, {0xc21094364dfb5636, 0x985915fc12f542e5}, {0xf294b943e17a2bc4, 0x3e6f5b7b17b2939e}, {0x979cf3ca6cec5b5a, 0xa705992ceecf9c43}, {0xbd8430bd08277231, 0x50c6ff782a838354}, {0xece53cec4a314ebd, 0xa4f8bf5635246429}, {0x940f4613ae5ed136, 0x871b7795e136be9a}, {0xb913179899f68584, 0x28e2557b59846e40}, {0xe757dd7ec07426e5, 0x331aeada2fe589d0}, {0x9096ea6f3848984f, 0x3ff0d2c85def7622}, {0xb4bca50b065abe63, 0x0fed077a756b53aa}, {0xe1ebce4dc7f16dfb, 0xd3e8495912c62895}, {0x8d3360f09cf6e4bd, 0x64712dd7abbbd95d}, {0xb080392cc4349dec, 0xbd8d794d96aacfb4}, {0xdca04777f541c567, 0xecf0d7a0fc5583a1}, {0x89e42caaf9491b60, 0xf41686c49db57245}, {0xac5d37d5b79b6239, 0x311c2875c522ced6}, {0xd77485cb25823ac7, 0x7d633293366b828c}, {0x86a8d39ef77164bc, 0xae5dff9c02033198}, {0xa8530886b54dbdeb, 0xd9f57f830283fdfd}, {0xd267caa862a12d66, 0xd072df63c324fd7c}, {0x8380dea93da4bc60, 0x4247cb9e59f71e6e}, {0xa46116538d0deb78, 0x52d9be85f074e609}, {0xcd795be870516656, 0x67902e276c921f8c}, {0x806bd9714632dff6, 0x00ba1cd8a3db53b7}, {0xa086cfcd97bf97f3, 0x80e8a40eccd228a5}, {0xc8a883c0fdaf7df0, 0x6122cd128006b2ce}, {0xfad2a4b13d1b5d6c, 0x796b805720085f82}, {0x9cc3a6eec6311a63, 0xcbe3303674053bb1}, {0xc3f490aa77bd60fc, 0xbedbfc4411068a9d}, {0xf4f1b4d515acb93b, 0xee92fb5515482d45}, {0x991711052d8bf3c5, 0x751bdd152d4d1c4b}, {0xbf5cd54678eef0b6, 0xd262d45a78a0635e}, {0xef340a98172aace4, 0x86fb897116c87c35}, {0x9580869f0e7aac0e, 0xd45d35e6ae3d4da1}, {0xbae0a846d2195712, 0x8974836059cca10a}, {0xe998d258869facd7, 0x2bd1a438703fc94c}, {0x91ff83775423cc06, 0x7b6306a34627ddd0}, {0xb67f6455292cbf08, 0x1a3bc84c17b1d543}, {0xe41f3d6a7377eeca, 0x20caba5f1d9e4a94}, {0x8e938662882af53e, 0x547eb47b7282ee9d}, {0xb23867fb2a35b28d, 0xe99e619a4f23aa44}, {0xdec681f9f4c31f31, 0x6405fa00e2ec94d5}, {0x8b3c113c38f9f37e, 0xde83bc408dd3dd05}, {0xae0b158b4738705e, 0x9624ab50b148d446}, {0xd98ddaee19068c76, 0x3badd624dd9b0958}, {0x87f8a8d4cfa417c9, 0xe54ca5d70a80e5d7}, {0xa9f6d30a038d1dbc, 0x5e9fcf4ccd211f4d}, {0xd47487cc8470652b, 0x7647c32000696720}, {0x84c8d4dfd2c63f3b, 0x29ecd9f40041e074}, {0xa5fb0a17c777cf09, 0xf468107100525891}, {0xcf79cc9db955c2cc, 0x7182148d4066eeb5}, {0x81ac1fe293d599bf, 0xc6f14cd848405531}, {0xa21727db38cb002f, 0xb8ada00e5a506a7d}, {0xca9cf1d206fdc03b, 0xa6d90811f0e4851d}, {0xfd442e4688bd304a, 0x908f4a166d1da664}, {0x9e4a9cec15763e2e, 0x9a598e4e043287ff}, {0xc5dd44271ad3cdba, 0x40eff1e1853f29fe}, {0xf7549530e188c128, 0xd12bee59e68ef47d}, {0x9a94dd3e8cf578b9, 0x82bb74f8301958cf}, {0xc13a148e3032d6e7, 0xe36a52363c1faf02}, {0xf18899b1bc3f8ca1, 0xdc44e6c3cb279ac2}, {0x96f5600f15a7b7e5, 0x29ab103a5ef8c0ba}, {0xbcb2b812db11a5de, 0x7415d448f6b6f0e8}, {0xebdf661791d60f56, 0x111b495b3464ad22}, {0x936b9fcebb25c995, 0xcab10dd900beec35}, {0xb84687c269ef3bfb, 0x3d5d514f40eea743}, {0xe65829b3046b0afa, 0x0cb4a5a3112a5113}, {0x8ff71a0fe2c2e6dc, 0x47f0e785eaba72ac}, {0xb3f4e093db73a093, 0x59ed216765690f57}, {0xe0f218b8d25088b8, 0x306869c13ec3532d}, {0x8c974f7383725573, 0x1e414218c73a13fc}, {0xafbd2350644eeacf, 0xe5d1929ef90898fb}, {0xdbac6c247d62a583, 0xdf45f746b74abf3a}, {0x894bc396ce5da772, 0x6b8bba8c328eb784}, {0xab9eb47c81f5114f, 0x066ea92f3f326565}, {0xd686619ba27255a2, 0xc80a537b0efefebe}, {0x8613fd0145877585, 0xbd06742ce95f5f37}, {0xa798fc4196e952e7, 0x2c48113823b73705}, {0xd17f3b51fca3a7a0, 0xf75a15862ca504c6}, {0x82ef85133de648c4, 0x9a984d73dbe722fc}, {0xa3ab66580d5fdaf5, 0xc13e60d0d2e0ebbb}, {0xcc963fee10b7d1b3, 0x318df905079926a9}, {0xffbbcfe994e5c61f, 0xfdf17746497f7053}, {0x9fd561f1fd0f9bd3, 0xfeb6ea8bedefa634}, {0xc7caba6e7c5382c8, 0xfe64a52ee96b8fc1}, {0xf9bd690a1b68637b, 0x3dfdce7aa3c673b1}, {0x9c1661a651213e2d, 0x06bea10ca65c084f}, {0xc31bfa0fe5698db8, 0x486e494fcff30a63}, {0xf3e2f893dec3f126, 0x5a89dba3c3efccfb}, {0x986ddb5c6b3a76b7, 0xf89629465a75e01d}, {0xbe89523386091465, 0xf6bbb397f1135824}, {0xee2ba6c0678b597f, 0x746aa07ded582e2d}, {0x94db483840b717ef, 0xa8c2a44eb4571cdd}, {0xba121a4650e4ddeb, 0x92f34d62616ce414}, {0xe896a0d7e51e1566, 0x77b020baf9c81d18}, {0x915e2486ef32cd60, 0x0ace1474dc1d122f}, {0xb5b5ada8aaff80b8, 0x0d819992132456bb}, {0xe3231912d5bf60e6, 0x10e1fff697ed6c6a}, {0x8df5efabc5979c8f, 0xca8d3ffa1ef463c2}, {0xb1736b96b6fd83b3, 0xbd308ff8a6b17cb3}, {0xddd0467c64bce4a0, 0xac7cb3f6d05ddbdf}, {0x8aa22c0dbef60ee4, 0x6bcdf07a423aa96c}, {0xad4ab7112eb3929d, 0x86c16c98d2c953c7}, {0xd89d64d57a607744, 0xe871c7bf077ba8b8}, {0x87625f056c7c4a8b, 0x11471cd764ad4973}, {0xa93af6c6c79b5d2d, 0xd598e40d3dd89bd0}, {0xd389b47879823479, 0x4aff1d108d4ec2c4}, {0x843610cb4bf160cb, 0xcedf722a585139bb}, {0xa54394fe1eedb8fe, 0xc2974eb4ee658829}, {0xce947a3da6a9273e, 0x733d226229feea33}, {0x811ccc668829b887, 0x0806357d5a3f5260}, {0xa163ff802a3426a8, 0xca07c2dcb0cf26f8}, {0xc9bcff6034c13052, 0xfc89b393dd02f0b6}, {0xfc2c3f3841f17c67, 0xbbac2078d443ace3}, {0x9d9ba7832936edc0, 0xd54b944b84aa4c0e}, {0xc5029163f384a931, 0x0a9e795e65d4df12}, {0xf64335bcf065d37d, 0x4d4617b5ff4a16d6}, {0x99ea0196163fa42e, 0x504bced1bf8e4e46}, {0xc06481fb9bcf8d39, 0xe45ec2862f71e1d7}, {0xf07da27a82c37088, 0x5d767327bb4e5a4d}, {0x964e858c91ba2655, 0x3a6a07f8d510f870}, {0xbbe226efb628afea, 0x890489f70a55368c}, {0xeadab0aba3b2dbe5, 0x2b45ac74ccea842f}, {0x92c8ae6b464fc96f, 0x3b0b8bc90012929e}, {0xb77ada0617e3bbcb, 0x09ce6ebb40173745}, {0xe55990879ddcaabd, 0xcc420a6a101d0516}, {0x8f57fa54c2a9eab6, 0x9fa946824a12232e}, {0xb32df8e9f3546564, 0x47939822dc96abfa}, {0xdff9772470297ebd, 0x59787e2b93bc56f8}, {0x8bfbea76c619ef36, 0x57eb4edb3c55b65b}, {0xaefae51477a06b03, 0xede622920b6b23f2}, {0xdab99e59958885c4, 0xe95fab368e45ecee}, {0x88b402f7fd75539b, 0x11dbcb0218ebb415}, {0xaae103b5fcd2a881, 0xd652bdc29f26a11a}, {0xd59944a37c0752a2, 0x4be76d3346f04960}, {0x857fcae62d8493a5, 0x6f70a4400c562ddc}, {0xa6dfbd9fb8e5b88e, 0xcb4ccd500f6bb953}, {0xd097ad07a71f26b2, 0x7e2000a41346a7a8}, {0x825ecc24c873782f, 0x8ed400668c0c28c9}, {0xa2f67f2dfa90563b, 0x728900802f0f32fb}, {0xcbb41ef979346bca, 0x4f2b40a03ad2ffba}, {0xfea126b7d78186bc, 0xe2f610c84987bfa9}, {0x9f24b832e6b0f436, 0x0dd9ca7d2df4d7ca}, {0xc6ede63fa05d3143, 0x91503d1c79720dbc}, {0xf8a95fcf88747d94, 0x75a44c6397ce912b}, 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{0xf46518c2ef5b8cd1, 0x7eb258665fc25d69}, {0x98bf2f79d5993802, 0xef2f773ffbd97a61}, {0xbeeefb584aff8603, 0xaafb550ffacfd8fa}, {0xeeaaba2e5dbf6784, 0x95ba2a53f983cf38}, {0x952ab45cfa97a0b2, 0xdd945a747bf26183}, {0xba756174393d88df, 0x94f971119aeef9e4}, {0xe912b9d1478ceb17, 0x7a37cd5601aab85d}, {0x91abb422ccb812ee, 0xac62e055c10ab33a}, {0xb616a12b7fe617aa, 0x577b986b314d6009}, {0xe39c49765fdf9d94, 0xed5a7e85fda0b80b}, {0x8e41ade9fbebc27d, 0x14588f13be847307}, {0xb1d219647ae6b31c, 0x596eb2d8ae258fc8}, {0xde469fbd99a05fe3, 0x6fca5f8ed9aef3bb}, {0x8aec23d680043bee, 0x25de7bb9480d5854}, {0xada72ccc20054ae9, 0xaf561aa79a10ae6a}, {0xd910f7ff28069da4, 0x1b2ba1518094da04}, {0x87aa9aff79042286, 0x90fb44d2f05d0842}, {0xa99541bf57452b28, 0x353a1607ac744a53}, {0xd3fa922f2d1675f2, 0x42889b8997915ce8}, {0x847c9b5d7c2e09b7, 0x69956135febada11}, {0xa59bc234db398c25, 0x43fab9837e699095}, {0xcf02b2c21207ef2e, 0x94f967e45e03f4bb}, {0x8161afb94b44f57d, 0x1d1be0eebac278f5}, {0xa1ba1ba79e1632dc, 0x6462d92a69731732}, {0xca28a291859bbf93, 0x7d7b8f7503cfdcfe}, {0xfcb2cb35e702af78, 0x5cda735244c3d43e}, {0x9defbf01b061adab, 0x3a0888136afa64a7}, {0xc56baec21c7a1916, 0x088aaa1845b8fdd0}, {0xf6c69a72a3989f5b, 0x8aad549e57273d45}, {0x9a3c2087a63f6399, 0x36ac54e2f678864b}, {0xc0cb28a98fcf3c7f, 0x84576a1bb416a7dd}, {0xf0fdf2d3f3c30b9f, 0x656d44a2a11c51d5}, {0x969eb7c47859e743, 0x9f644ae5a4b1b325}, {0xbc4665b596706114, 0x873d5d9f0dde1fee}, {0xeb57ff22fc0c7959, 0xa90cb506d155a7ea}, {0x9316ff75dd87cbd8, 0x09a7f12442d588f2}, {0xb7dcbf5354e9bece, 0x0c11ed6d538aeb2f}, {0xe5d3ef282a242e81, 0x8f1668c8a86da5fa}, {0x8fa475791a569d10, 0xf96e017d694487bc}, {0xb38d92d760ec4455, 0x37c981dcc395a9ac}, {0xe070f78d3927556a, 0x85bbe253f47b1417}, {0x8c469ab843b89562, 0x93956d7478ccec8e}, {0xaf58416654a6babb, 0x387ac8d1970027b2}, {0xdb2e51bfe9d0696a, 0x06997b05fcc0319e}, {0x88fcf317f22241e2, 0x441fece3bdf81f03}, {0xab3c2fddeeaad25a, 0xd527e81cad7626c3}, {0xd60b3bd56a5586f1, 0x8a71e223d8d3b074}, {0x85c7056562757456, 0xf6872d5667844e49}, {0xa738c6bebb12d16c, 0xb428f8ac016561db}, {0xd106f86e69d785c7, 0xe13336d701beba52}, {0x82a45b450226b39c, 0xecc0024661173473}, {0xa34d721642b06084, 0x27f002d7f95d0190}, {0xcc20ce9bd35c78a5, 0x31ec038df7b441f4}, {0xff290242c83396ce, 0x7e67047175a15271}, {0x9f79a169bd203e41, 0x0f0062c6e984d386}, {0xc75809c42c684dd1, 0x52c07b78a3e60868}, {0xf92e0c3537826145, 0xa7709a56ccdf8a82}, {0x9bbcc7a142b17ccb, 0x88a66076400bb691}, {0xc2abf989935ddbfe, 0x6acff893d00ea435}, {0xf356f7ebf83552fe, 0x0583f6b8c4124d43}, {0x98165af37b2153de, 0xc3727a337a8b704a}, {0xbe1bf1b059e9a8d6, 0x744f18c0592e4c5c}, {0xeda2ee1c7064130c, 0x1162def06f79df73}, {0x9485d4d1c63e8be7, 0x8addcb5645ac2ba8}, {0xb9a74a0637ce2ee1, 0x6d953e2bd7173692}, {0xe8111c87c5c1ba99, 0xc8fa8db6ccdd0437}, {0x910ab1d4db9914a0, 0x1d9c9892400a22a2}, {0xb54d5e4a127f59c8, 0x2503beb6d00cab4b}, {0xe2a0b5dc971f303a, 0x2e44ae64840fd61d}, {0x8da471a9de737e24, 0x5ceaecfed289e5d2}, {0xb10d8e1456105dad, 0x7425a83e872c5f47}, {0xdd50f1996b947518, 0xd12f124e28f77719}, {0x8a5296ffe33cc92f, 0x82bd6b70d99aaa6f}, {0xace73cbfdc0bfb7b, 0x636cc64d1001550b}, {0xd8210befd30efa5a, 0x3c47f7e05401aa4e}, {0x8714a775e3e95c78, 0x65acfaec34810a71}, {0xa8d9d1535ce3b396, 0x7f1839a741a14d0d}, {0xd31045a8341ca07c, 0x1ede48111209a050}, {0x83ea2b892091e44d, 0x934aed0aab460432}, {0xa4e4b66b68b65d60, 0xf81da84d5617853f}, {0xce1de40642e3f4b9, 0x36251260ab9d668e}, {0x80d2ae83e9ce78f3, 0xc1d72b7c6b426019}, {0xa1075a24e4421730, 0xb24cf65b8612f81f}, {0xc94930ae1d529cfc, 0xdee033f26797b627}, {0xfb9b7cd9a4a7443c, 0x169840ef017da3b1}, {0x9d412e0806e88aa5, 0x8e1f289560ee864e}, {0xc491798a08a2ad4e, 0xf1a6f2bab92a27e2}, {0xf5b5d7ec8acb58a2, 0xae10af696774b1db}, {0x9991a6f3d6bf1765, 0xacca6da1e0a8ef29}, {0xbff610b0cc6edd3f, 0x17fd090a58d32af3}, {0xeff394dcff8a948e, 0xddfc4b4cef07f5b0}, {0x95f83d0a1fb69cd9, 0x4abdaf101564f98e}, {0xbb764c4ca7a4440f, 0x9d6d1ad41abe37f1}, {0xea53df5fd18d5513, 0x84c86189216dc5ed}, {0x92746b9be2f8552c, 0x32fd3cf5b4e49bb4}, {0xb7118682dbb66a77, 0x3fbc8c33221dc2a1}, {0xe4d5e82392a40515, 0x0fabaf3feaa5334a}, {0x8f05b1163ba6832d, 0x29cb4d87f2a7400e}, {0xb2c71d5bca9023f8, 0x743e20e9ef511012}, {0xdf78e4b2bd342cf6, 0x914da9246b255416}, {0x8bab8eefb6409c1a, 0x1ad089b6c2f7548e}, {0xae9672aba3d0c320, 0xa184ac2473b529b1}, {0xda3c0f568cc4f3e8, 0xc9e5d72d90a2741e}, {0x8865899617fb1871, 0x7e2fa67c7a658892}, {0xaa7eebfb9df9de8d, 0xddbb901b98feeab7}, {0xd51ea6fa85785631, 0x552a74227f3ea565}, {0x8533285c936b35de, 0xd53a88958f87275f}, {0xa67ff273b8460356, 0x8a892abaf368f137}, {0xd01fef10a657842c, 0x2d2b7569b0432d85}, {0x8213f56a67f6b29b, 0x9c3b29620e29fc73}, {0xa298f2c501f45f42, 0x8349f3ba91b47b8f}, {0xcb3f2f7642717713, 0x241c70a936219a73}, {0xfe0efb53d30dd4d7, 0xed238cd383aa0110}, {0x9ec95d1463e8a506, 0xf4363804324a40aa}, {0xc67bb4597ce2ce48, 0xb143c6053edcd0d5}, {0xf81aa16fdc1b81da, 0xdd94b7868e94050a}, {0x9b10a4e5e9913128, 0xca7cf2b4191c8326}, {0xc1d4ce1f63f57d72, 0xfd1c2f611f63a3f0}, {0xf24a01a73cf2dccf, 0xbc633b39673c8cec}, {0x976e41088617ca01, 0xd5be0503e085d813}, {0xbd49d14aa79dbc82, 0x4b2d8644d8a74e18}, {0xec9c459d51852ba2, 0xddf8e7d60ed1219e}, {0x93e1ab8252f33b45, 0xcabb90e5c942b503}, {0xb8da1662e7b00a17, 0x3d6a751f3b936243}, {0xe7109bfba19c0c9d, 0x0cc512670a783ad4}, {0x906a617d450187e2, 0x27fb2b80668b24c5}, {0xb484f9dc9641e9da, 0xb1f9f660802dedf6}, {0xe1a63853bbd26451, 0x5e7873f8a0396973}, {0x8d07e33455637eb2, 0xdb0b487b6423e1e8}, {0xb049dc016abc5e5f, 0x91ce1a9a3d2cda62}, {0xdc5c5301c56b75f7, 0x7641a140cc7810fb}, {0x89b9b3e11b6329ba, 0xa9e904c87fcb0a9d}, {0xac2820d9623bf429, 0x546345fa9fbdcd44}, {0xd732290fbacaf133, 0xa97c177947ad4095}, {0x867f59a9d4bed6c0, 0x49ed8eabcccc485d}, {0xa81f301449ee8c70, 0x5c68f256bfff5a74}, {0xd226fc195c6a2f8c, 0x73832eec6fff3111}, {0x83585d8fd9c25db7, 0xc831fd53c5ff7eab}, {0xa42e74f3d032f525, 0xba3e7ca8b77f5e55}, {0xcd3a1230c43fb26f, 0x28ce1bd2e55f35eb}, {0x80444b5e7aa7cf85, 0x7980d163cf5b81b3}, {0xa0555e361951c366, 0xd7e105bcc332621f}, {0xc86ab5c39fa63440, 0x8dd9472bf3fefaa7}, {0xfa856334878fc150, 0xb14f98f6f0feb951}, {0x9c935e00d4b9d8d2, 0x6ed1bf9a569f33d3}, {0xc3b8358109e84f07, 0x0a862f80ec4700c8}, {0xf4a642e14c6262c8, 0xcd27bb612758c0fa}, {0x98e7e9cccfbd7dbd, 0x8038d51cb897789c}, {0xbf21e44003acdd2c, 0xe0470a63e6bd56c3}, {0xeeea5d5004981478, 0x1858ccfce06cac74}, {0x95527a5202df0ccb, 0x0f37801e0c43ebc8}, {0xbaa718e68396cffd, 0xd30560258f54e6ba}, {0xe950df20247c83fd, 0x47c6b82ef32a2069}, {0x91d28b7416cdd27e, 0x4cdc331d57fa5441}, {0xb6472e511c81471d, 0xe0133fe4adf8e952}, {0xe3d8f9e563a198e5, 0x58180fddd97723a6}, {0x8e679c2f5e44ff8f, 0x570f09eaa7ea7648}, {0xb201833b35d63f73, 0x2cd2cc6551e513da}, {0xde81e40a034bcf4f, 0xf8077f7ea65e58d1}, {0x8b112e86420f6191, 0xfb04afaf27faf782}, {0xadd57a27d29339f6, 0x79c5db9af1f9b563}, {0xd94ad8b1c7380874, 0x18375281ae7822bc}, {0x87cec76f1c830548, 0x8f2293910d0b15b5}, {0xa9c2794ae3a3c69a, 0xb2eb3875504ddb22}, {0xd433179d9c8cb841, 0x5fa60692a46151eb}, {0x849feec281d7f328, 0xdbc7c41ba6bcd333}, {0xa5c7ea73224deff3, 0x12b9b522906c0800}, {0xcf39e50feae16bef, 0xd768226b34870a00}, {0x81842f29f2cce375, 0xe6a1158300d46640}, {0xa1e53af46f801c53, 0x60495ae3c1097fd0}, {0xca5e89b18b602368, 0x385bb19cb14bdfc4}, {0xfcf62c1dee382c42, 0x46729e03dd9ed7b5}, {0x9e19db92b4e31ba9, 0x6c07a2c26a8346d1}, {0xc5a05277621be293, 0xc7098b7305241885}, { 0xf70867153aa2db38, 0xb8cbee4fc66d1ea7 } #else {0xff77b1fcbebcdc4f, 0x25e8e89c13bb0f7b}, {0xce5d73ff402d98e3, 0xfb0a3d212dc81290}, {0xa6b34ad8c9dfc06f, 0xf42faa48c0ea481f}, {0x86a8d39ef77164bc, 0xae5dff9c02033198}, {0xd98ddaee19068c76, 0x3badd624dd9b0958}, {0xafbd2350644eeacf, 0xe5d1929ef90898fb}, {0x8df5efabc5979c8f, 0xca8d3ffa1ef463c2}, {0xe55990879ddcaabd, 0xcc420a6a101d0516}, {0xb94470938fa89bce, 0xf808e40e8d5b3e6a}, {0x95a8637627989aad, 0xdde7001379a44aa9}, {0xf1c90080baf72cb1, 0x5324c68b12dd6339}, {0xc350000000000000, 0x0000000000000000}, {0x9dc5ada82b70b59d, 0xf020000000000000}, {0xfee50b7025c36a08, 0x02f236d04753d5b4}, {0xcde6fd5e09abcf26, 0xed4c0226b55e6f86}, {0xa6539930bf6bff45, 0x84db8346b786151c}, {0x865b86925b9bc5c2, 0x0b8a2392ba45a9b2}, {0xd910f7ff28069da4, 0x1b2ba1518094da04}, {0xaf58416654a6babb, 0x387ac8d1970027b2}, {0x8da471a9de737e24, 0x5ceaecfed289e5d2}, {0xe4d5e82392a40515, 0x0fabaf3feaa5334a}, {0xb8da1662e7b00a17, 0x3d6a751f3b936243}, { 0x95527a5202df0ccb, 0x0f37801e0c43ebc8 } #endif }; #if FMT_USE_FULL_CACHE_DRAGONBOX return pow10_significands[k - float_info::min_k]; #else static constexpr const uint64_t powers_of_5_64[] = { 0x0000000000000001, 0x0000000000000005, 0x0000000000000019, 0x000000000000007d, 0x0000000000000271, 0x0000000000000c35, 0x0000000000003d09, 0x000000000001312d, 0x000000000005f5e1, 0x00000000001dcd65, 0x00000000009502f9, 0x0000000002e90edd, 0x000000000e8d4a51, 0x0000000048c27395, 0x000000016bcc41e9, 0x000000071afd498d, 0x0000002386f26fc1, 0x000000b1a2bc2ec5, 0x000003782dace9d9, 0x00001158e460913d, 0x000056bc75e2d631, 0x0001b1ae4d6e2ef5, 0x000878678326eac9, 0x002a5a058fc295ed, 0x00d3c21bcecceda1, 0x0422ca8b0a00a425, 0x14adf4b7320334b9}; static constexpr const uint32_t pow10_recovery_errors[] = { 0x50001400, 0x54044100, 0x54014555, 0x55954415, 0x54115555, 0x00000001, 0x50000000, 0x00104000, 0x54010004, 0x05004001, 0x55555544, 0x41545555, 0x54040551, 0x15445545, 0x51555514, 0x10000015, 0x00101100, 0x01100015, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x04450514, 0x45414110, 0x55555145, 0x50544050, 0x15040155, 0x11054140, 0x50111514, 0x11451454, 0x00400541, 0x00000000, 0x55555450, 0x10056551, 0x10054011, 0x55551014, 0x69514555, 0x05151109, 0x00155555}; static const int compression_ratio = 27; // Compute base index. int cache_index = (k - float_info::min_k) / compression_ratio; int kb = cache_index * compression_ratio + float_info::min_k; int offset = k - kb; // Get base cache. uint128_wrapper base_cache = pow10_significands[cache_index]; if (offset == 0) return base_cache; // Compute the required amount of bit-shift. int alpha = floor_log2_pow10(kb + offset) - floor_log2_pow10(kb) - offset; FMT_ASSERT(alpha > 0 && alpha < 64, "shifting error detected"); // Try to recover the real cache. uint64_t pow5 = powers_of_5_64[offset]; uint128_wrapper recovered_cache = umul128(base_cache.high(), pow5); uint128_wrapper middle_low = umul128(base_cache.low() - (kb < 0 ? 1u : 0u), pow5); recovered_cache += middle_low.high(); uint64_t high_to_middle = recovered_cache.high() << (64 - alpha); uint64_t middle_to_low = recovered_cache.low() << (64 - alpha); recovered_cache = uint128_wrapper{(recovered_cache.low() >> alpha) | high_to_middle, ((middle_low.low() >> alpha) | middle_to_low)}; if (kb < 0) recovered_cache += 1; // Get error. int error_idx = (k - float_info::min_k) / 16; uint32_t error = (pow10_recovery_errors[error_idx] >> ((k - float_info::min_k) % 16) * 2) & 0x3; // Add the error back. FMT_ASSERT(recovered_cache.low() + error >= recovered_cache.low(), ""); return {recovered_cache.high(), recovered_cache.low() + error}; #endif } static carrier_uint compute_mul(carrier_uint u, const cache_entry_type& cache) FMT_NOEXCEPT { return umul192_upper64(u, cache); } static uint32_t compute_delta(cache_entry_type const& cache, int beta_minus_1) FMT_NOEXCEPT { return static_cast(cache.high() >> (64 - 1 - beta_minus_1)); } static bool compute_mul_parity(carrier_uint two_f, const cache_entry_type& cache, int beta_minus_1) FMT_NOEXCEPT { FMT_ASSERT(beta_minus_1 >= 1, ""); FMT_ASSERT(beta_minus_1 < 64, ""); return ((umul192_middle64(two_f, cache) >> (64 - beta_minus_1)) & 1) != 0; } static carrier_uint compute_left_endpoint_for_shorter_interval_case( const cache_entry_type& cache, int beta_minus_1) FMT_NOEXCEPT { return (cache.high() - (cache.high() >> (float_info::significand_bits + 2))) >> (64 - float_info::significand_bits - 1 - beta_minus_1); } static carrier_uint compute_right_endpoint_for_shorter_interval_case( const cache_entry_type& cache, int beta_minus_1) FMT_NOEXCEPT { return (cache.high() + (cache.high() >> (float_info::significand_bits + 1))) >> (64 - float_info::significand_bits - 1 - beta_minus_1); } static carrier_uint compute_round_up_for_shorter_interval_case( const cache_entry_type& cache, int beta_minus_1) FMT_NOEXCEPT { return ((cache.high() >> (64 - float_info::significand_bits - 2 - beta_minus_1)) + 1) / 2; } }; // Various integer checks template bool is_left_endpoint_integer_shorter_interval(int exponent) FMT_NOEXCEPT { return exponent >= float_info< T>::case_shorter_interval_left_endpoint_lower_threshold && exponent <= float_info::case_shorter_interval_left_endpoint_upper_threshold; } template bool is_endpoint_integer(typename float_info::carrier_uint two_f, int exponent, int minus_k) FMT_NOEXCEPT { if (exponent < float_info::case_fc_pm_half_lower_threshold) return false; // For k >= 0. if (exponent <= float_info::case_fc_pm_half_upper_threshold) return true; // For k < 0. if (exponent > float_info::divisibility_check_by_5_threshold) return false; return divisible_by_power_of_5(two_f, minus_k); } template bool is_center_integer(typename float_info::carrier_uint two_f, int exponent, int minus_k) FMT_NOEXCEPT { // Exponent for 5 is negative. if (exponent > float_info::divisibility_check_by_5_threshold) return false; if (exponent > float_info::case_fc_upper_threshold) return divisible_by_power_of_5(two_f, minus_k); // Both exponents are nonnegative. if (exponent >= float_info::case_fc_lower_threshold) return true; // Exponent for 2 is negative. return divisible_by_power_of_2(two_f, minus_k - exponent + 1); } // Remove trailing zeros from n and return the number of zeros removed (float) FMT_INLINE int remove_trailing_zeros(uint32_t& n) FMT_NOEXCEPT { #ifdef FMT_BUILTIN_CTZ int t = FMT_BUILTIN_CTZ(n); #else int t = ctz(n); #endif if (t > float_info::max_trailing_zeros) t = float_info::max_trailing_zeros; const uint32_t mod_inv1 = 0xcccccccd; const uint32_t max_quotient1 = 0x33333333; const uint32_t mod_inv2 = 0xc28f5c29; const uint32_t max_quotient2 = 0x0a3d70a3; int s = 0; for (; s < t - 1; s += 2) { if (n * mod_inv2 > max_quotient2) break; n *= mod_inv2; } if (s < t && n * mod_inv1 <= max_quotient1) { n *= mod_inv1; ++s; } n >>= s; return s; } // Removes trailing zeros and returns the number of zeros removed (double) FMT_INLINE int remove_trailing_zeros(uint64_t& n) FMT_NOEXCEPT { #ifdef FMT_BUILTIN_CTZLL int t = FMT_BUILTIN_CTZLL(n); #else int t = ctzll(n); #endif if (t > float_info::max_trailing_zeros) t = float_info::max_trailing_zeros; // Divide by 10^8 and reduce to 32-bits // Since ret_value.significand <= (2^64 - 1) / 1000 < 10^17, // both of the quotient and the r should fit in 32-bits const uint32_t mod_inv1 = 0xcccccccd; const uint32_t max_quotient1 = 0x33333333; const uint64_t mod_inv8 = 0xc767074b22e90e21; const uint64_t max_quotient8 = 0x00002af31dc46118; // If the number is divisible by 1'0000'0000, work with the quotient if (t >= 8) { auto quotient_candidate = n * mod_inv8; if (quotient_candidate <= max_quotient8) { auto quotient = static_cast(quotient_candidate >> 8); int s = 8; for (; s < t; ++s) { if (quotient * mod_inv1 > max_quotient1) break; quotient *= mod_inv1; } quotient >>= (s - 8); n = quotient; return s; } } // Otherwise, work with the remainder auto quotient = static_cast(n / 100000000); auto remainder = static_cast(n - 100000000 * quotient); if (t == 0 || remainder * mod_inv1 > max_quotient1) { return 0; } remainder *= mod_inv1; if (t == 1 || remainder * mod_inv1 > max_quotient1) { n = (remainder >> 1) + quotient * 10000000ull; return 1; } remainder *= mod_inv1; if (t == 2 || remainder * mod_inv1 > max_quotient1) { n = (remainder >> 2) + quotient * 1000000ull; return 2; } remainder *= mod_inv1; if (t == 3 || remainder * mod_inv1 > max_quotient1) { n = (remainder >> 3) + quotient * 100000ull; return 3; } remainder *= mod_inv1; if (t == 4 || remainder * mod_inv1 > max_quotient1) { n = (remainder >> 4) + quotient * 10000ull; return 4; } remainder *= mod_inv1; if (t == 5 || remainder * mod_inv1 > max_quotient1) { n = (remainder >> 5) + quotient * 1000ull; return 5; } remainder *= mod_inv1; if (t == 6 || remainder * mod_inv1 > max_quotient1) { n = (remainder >> 6) + quotient * 100ull; return 6; } remainder *= mod_inv1; n = (remainder >> 7) + quotient * 10ull; return 7; } // The main algorithm for shorter interval case template FMT_INLINE decimal_fp shorter_interval_case(int exponent) FMT_NOEXCEPT { decimal_fp ret_value; // Compute k and beta const int minus_k = floor_log10_pow2_minus_log10_4_over_3(exponent); const int beta_minus_1 = exponent + floor_log2_pow10(-minus_k); // Compute xi and zi using cache_entry_type = typename cache_accessor::cache_entry_type; const cache_entry_type cache = cache_accessor::get_cached_power(-minus_k); auto xi = cache_accessor::compute_left_endpoint_for_shorter_interval_case( cache, beta_minus_1); auto zi = cache_accessor::compute_right_endpoint_for_shorter_interval_case( cache, beta_minus_1); // If the left endpoint is not an integer, increase it if (!is_left_endpoint_integer_shorter_interval(exponent)) ++xi; // Try bigger divisor ret_value.significand = zi / 10; // If succeed, remove trailing zeros if necessary and return if (ret_value.significand * 10 >= xi) { ret_value.exponent = minus_k + 1; ret_value.exponent += remove_trailing_zeros(ret_value.significand); return ret_value; } // Otherwise, compute the round-up of y ret_value.significand = cache_accessor::compute_round_up_for_shorter_interval_case( cache, beta_minus_1); ret_value.exponent = minus_k; // When tie occurs, choose one of them according to the rule if (exponent >= float_info::shorter_interval_tie_lower_threshold && exponent <= float_info::shorter_interval_tie_upper_threshold) { ret_value.significand = ret_value.significand % 2 == 0 ? ret_value.significand : ret_value.significand - 1; } else if (ret_value.significand < xi) { ++ret_value.significand; } return ret_value; } template decimal_fp to_decimal(T x) FMT_NOEXCEPT { // Step 1: integer promotion & Schubfach multiplier calculation. using carrier_uint = typename float_info::carrier_uint; using cache_entry_type = typename cache_accessor::cache_entry_type; auto br = bit_cast(x); // Extract significand bits and exponent bits. const carrier_uint significand_mask = (static_cast(1) << float_info::significand_bits) - 1; carrier_uint significand = (br & significand_mask); int exponent = static_cast((br & exponent_mask()) >> float_info::significand_bits); if (exponent != 0) { // Check if normal. exponent += float_info::exponent_bias - float_info::significand_bits; // Shorter interval case; proceed like Schubfach. if (significand == 0) return shorter_interval_case(exponent); significand |= (static_cast(1) << float_info::significand_bits); } else { // Subnormal case; the interval is always regular. if (significand == 0) return {0, 0}; exponent = float_info::min_exponent - float_info::significand_bits; } const bool include_left_endpoint = (significand % 2 == 0); const bool include_right_endpoint = include_left_endpoint; // Compute k and beta. const int minus_k = floor_log10_pow2(exponent) - float_info::kappa; const cache_entry_type cache = cache_accessor::get_cached_power(-minus_k); const int beta_minus_1 = exponent + floor_log2_pow10(-minus_k); // Compute zi and deltai // 10^kappa <= deltai < 10^(kappa + 1) const uint32_t deltai = cache_accessor::compute_delta(cache, beta_minus_1); const carrier_uint two_fc = significand << 1; const carrier_uint two_fr = two_fc | 1; const carrier_uint zi = cache_accessor::compute_mul(two_fr << beta_minus_1, cache); // Step 2: Try larger divisor; remove trailing zeros if necessary // Using an upper bound on zi, we might be able to optimize the division // better than the compiler; we are computing zi / big_divisor here decimal_fp ret_value; ret_value.significand = divide_by_10_to_kappa_plus_1(zi); uint32_t r = static_cast(zi - float_info::big_divisor * ret_value.significand); if (r > deltai) { goto small_divisor_case_label; } else if (r < deltai) { // Exclude the right endpoint if necessary if (r == 0 && !include_right_endpoint && is_endpoint_integer(two_fr, exponent, minus_k)) { --ret_value.significand; r = float_info::big_divisor; goto small_divisor_case_label; } } else { // r == deltai; compare fractional parts // Check conditions in the order different from the paper // to take advantage of short-circuiting const carrier_uint two_fl = two_fc - 1; if ((!include_left_endpoint || !is_endpoint_integer(two_fl, exponent, minus_k)) && !cache_accessor::compute_mul_parity(two_fl, cache, beta_minus_1)) { goto small_divisor_case_label; } } ret_value.exponent = minus_k + float_info::kappa + 1; // We may need to remove trailing zeros ret_value.exponent += remove_trailing_zeros(ret_value.significand); return ret_value; // Step 3: Find the significand with the smaller divisor small_divisor_case_label: ret_value.significand *= 10; ret_value.exponent = minus_k + float_info::kappa; const uint32_t mask = (1u << float_info::kappa) - 1; auto dist = r - (deltai / 2) + (float_info::small_divisor / 2); // Is dist divisible by 2^kappa? if ((dist & mask) == 0) { const bool approx_y_parity = ((dist ^ (float_info::small_divisor / 2)) & 1) != 0; dist >>= float_info::kappa; // Is dist divisible by 5^kappa? if (check_divisibility_and_divide_by_pow5::kappa>(dist)) { ret_value.significand += dist; // Check z^(f) >= epsilon^(f) // We have either yi == zi - epsiloni or yi == (zi - epsiloni) - 1, // where yi == zi - epsiloni if and only if z^(f) >= epsilon^(f) // Since there are only 2 possibilities, we only need to care about the // parity. Also, zi and r should have the same parity since the divisor // is an even number if (cache_accessor::compute_mul_parity(two_fc, cache, beta_minus_1) != approx_y_parity) { --ret_value.significand; } else { // If z^(f) >= epsilon^(f), we might have a tie // when z^(f) == epsilon^(f), or equivalently, when y is an integer if (is_center_integer(two_fc, exponent, minus_k)) { ret_value.significand = ret_value.significand % 2 == 0 ? ret_value.significand : ret_value.significand - 1; } } } // Is dist not divisible by 5^kappa? else { ret_value.significand += dist; } } // Is dist not divisible by 2^kappa? else { // Since we know dist is small, we might be able to optimize the division // better than the compiler; we are computing dist / small_divisor here ret_value.significand += small_division_by_pow10::kappa>(dist); } return ret_value; } } // namespace dragonbox // Formats value using a variation of the Fixed-Precision Positive // Floating-Point Printout ((FPP)^2) algorithm by Steele & White: // https://fmt.dev/papers/p372-steele.pdf. template void fallback_format(Double d, int num_digits, bool binary32, buffer& buf, int& exp10) { bigint numerator; // 2 * R in (FPP)^2. bigint denominator; // 2 * S in (FPP)^2. // lower and upper are differences between value and corresponding boundaries. bigint lower; // (M^- in (FPP)^2). bigint upper_store; // upper's value if different from lower. bigint* upper = nullptr; // (M^+ in (FPP)^2). fp value; // Shift numerator and denominator by an extra bit or two (if lower boundary // is closer) to make lower and upper integers. This eliminates multiplication // by 2 during later computations. const bool is_predecessor_closer = binary32 ? value.assign(static_cast(d)) : value.assign(d); int shift = is_predecessor_closer ? 2 : 1; uint64_t significand = value.f << shift; if (value.e >= 0) { numerator.assign(significand); numerator <<= value.e; lower.assign(1); lower <<= value.e; if (shift != 1) { upper_store.assign(1); upper_store <<= value.e + 1; upper = &upper_store; } denominator.assign_pow10(exp10); denominator <<= shift; } else if (exp10 < 0) { numerator.assign_pow10(-exp10); lower.assign(numerator); if (shift != 1) { upper_store.assign(numerator); upper_store <<= 1; upper = &upper_store; } numerator *= significand; denominator.assign(1); denominator <<= shift - value.e; } else { numerator.assign(significand); denominator.assign_pow10(exp10); denominator <<= shift - value.e; lower.assign(1); if (shift != 1) { upper_store.assign(1ULL << 1); upper = &upper_store; } } // Invariant: value == (numerator / denominator) * pow(10, exp10). if (num_digits < 0) { // Generate the shortest representation. if (!upper) upper = &lower; bool even = (value.f & 1) == 0; num_digits = 0; char* data = buf.data(); for (;;) { int digit = numerator.divmod_assign(denominator); bool low = compare(numerator, lower) - even < 0; // numerator <[=] lower. // numerator + upper >[=] pow10: bool high = add_compare(numerator, *upper, denominator) + even > 0; data[num_digits++] = static_cast('0' + digit); if (low || high) { if (!low) { ++data[num_digits - 1]; } else if (high) { int result = add_compare(numerator, numerator, denominator); // Round half to even. if (result > 0 || (result == 0 && (digit % 2) != 0)) ++data[num_digits - 1]; } buf.try_resize(to_unsigned(num_digits)); exp10 -= num_digits - 1; return; } numerator *= 10; lower *= 10; if (upper != &lower) *upper *= 10; } } // Generate the given number of digits. exp10 -= num_digits - 1; if (num_digits == 0) { buf.try_resize(1); denominator *= 10; buf[0] = add_compare(numerator, numerator, denominator) > 0 ? '1' : '0'; return; } buf.try_resize(to_unsigned(num_digits)); for (int i = 0; i < num_digits - 1; ++i) { int digit = numerator.divmod_assign(denominator); buf[i] = static_cast('0' + digit); numerator *= 10; } int digit = numerator.divmod_assign(denominator); auto result = add_compare(numerator, numerator, denominator); if (result > 0 || (result == 0 && (digit % 2) != 0)) { if (digit == 9) { const auto overflow = '0' + 10; buf[num_digits - 1] = overflow; // Propagate the carry. for (int i = num_digits - 1; i > 0 && buf[i] == overflow; --i) { buf[i] = '0'; ++buf[i - 1]; } if (buf[0] == overflow) { buf[0] = '1'; ++exp10; } return; } ++digit; } buf[num_digits - 1] = static_cast('0' + digit); } template int format_float(T value, int precision, float_specs specs, buffer& buf) { static_assert(!std::is_same::value, ""); FMT_ASSERT(value >= 0, "value is negative"); const bool fixed = specs.format == float_format::fixed; if (value <= 0) { // <= instead of == to silence a warning. if (precision <= 0 || !fixed) { buf.push_back('0'); return 0; } buf.try_resize(to_unsigned(precision)); std::uninitialized_fill_n(buf.data(), precision, '0'); return -precision; } if (!specs.use_grisu) return snprintf_float(value, precision, specs, buf); if (precision < 0) { // Use Dragonbox for the shortest format. if (specs.binary32) { auto dec = dragonbox::to_decimal(static_cast(value)); write(buffer_appender(buf), dec.significand); return dec.exponent; } auto dec = dragonbox::to_decimal(static_cast(value)); write(buffer_appender(buf), dec.significand); return dec.exponent; } // Use Grisu + Dragon4 for the given precision: // https://www.cs.tufts.edu/~nr/cs257/archive/florian-loitsch/printf.pdf. int exp = 0; const int min_exp = -60; // alpha in Grisu. int cached_exp10 = 0; // K in Grisu. fp normalized = normalize(fp(value)); const auto cached_pow = get_cached_power( min_exp - (normalized.e + fp::significand_size), cached_exp10); normalized = normalized * cached_pow; // Limit precision to the maximum possible number of significant digits in an // IEEE754 double because we don't need to generate zeros. const int max_double_digits = 767; if (precision > max_double_digits) precision = max_double_digits; fixed_handler handler{buf.data(), 0, precision, -cached_exp10, fixed}; if (grisu_gen_digits(normalized, 1, exp, handler) == digits::error) { exp += handler.size - cached_exp10 - 1; fallback_format(value, handler.precision, specs.binary32, buf, exp); } else { exp += handler.exp10; buf.try_resize(to_unsigned(handler.size)); } if (!fixed && !specs.showpoint) { // Remove trailing zeros. auto num_digits = buf.size(); while (num_digits > 0 && buf[num_digits - 1] == '0') { --num_digits; ++exp; } buf.try_resize(num_digits); } return exp; } // namespace detail template int snprintf_float(T value, int precision, float_specs specs, buffer& buf) { // Buffer capacity must be non-zero, otherwise MSVC's vsnprintf_s will fail. FMT_ASSERT(buf.capacity() > buf.size(), "empty buffer"); static_assert(!std::is_same::value, ""); // Subtract 1 to account for the difference in precision since we use %e for // both general and exponent format. if (specs.format == float_format::general || specs.format == float_format::exp) precision = (precision >= 0 ? precision : 6) - 1; // Build the format string. enum { max_format_size = 7 }; // The longest format is "%#.*Le". char format[max_format_size]; char* format_ptr = format; *format_ptr++ = '%'; if (specs.showpoint && specs.format == float_format::hex) *format_ptr++ = '#'; if (precision >= 0) { *format_ptr++ = '.'; *format_ptr++ = '*'; } if (std::is_same()) *format_ptr++ = 'L'; *format_ptr++ = specs.format != float_format::hex ? (specs.format == float_format::fixed ? 'f' : 'e') : (specs.upper ? 'A' : 'a'); *format_ptr = '\0'; // Format using snprintf. auto offset = buf.size(); for (;;) { auto begin = buf.data() + offset; auto capacity = buf.capacity() - offset; #ifdef FMT_FUZZ if (precision > 100000) throw std::runtime_error( "fuzz mode - avoid large allocation inside snprintf"); #endif // Suppress the warning about a nonliteral format string. // Cannot use auto because of a bug in MinGW (#1532). int (*snprintf_ptr)(char*, size_t, const char*, ...) = FMT_SNPRINTF; int result = precision >= 0 ? snprintf_ptr(begin, capacity, format, precision, value) : snprintf_ptr(begin, capacity, format, value); if (result < 0) { // The buffer will grow exponentially. buf.try_reserve(buf.capacity() + 1); continue; } auto size = to_unsigned(result); // Size equal to capacity means that the last character was truncated. if (size >= capacity) { buf.try_reserve(size + offset + 1); // Add 1 for the terminating '\0'. continue; } auto is_digit = [](char c) { return c >= '0' && c <= '9'; }; if (specs.format == float_format::fixed) { if (precision == 0) { buf.try_resize(size); return 0; } // Find and remove the decimal point. auto end = begin + size, p = end; do { --p; } while (is_digit(*p)); int fraction_size = static_cast(end - p - 1); std::memmove(p, p + 1, to_unsigned(fraction_size)); buf.try_resize(size - 1); return -fraction_size; } if (specs.format == float_format::hex) { buf.try_resize(size + offset); return 0; } // Find and parse the exponent. auto end = begin + size, exp_pos = end; do { --exp_pos; } while (*exp_pos != 'e'); char sign = exp_pos[1]; FMT_ASSERT(sign == '+' || sign == '-', ""); int exp = 0; auto p = exp_pos + 2; // Skip 'e' and sign. do { FMT_ASSERT(is_digit(*p), ""); exp = exp * 10 + (*p++ - '0'); } while (p != end); if (sign == '-') exp = -exp; int fraction_size = 0; if (exp_pos != begin + 1) { // Remove trailing zeros. auto fraction_end = exp_pos - 1; while (*fraction_end == '0') --fraction_end; // Move the fractional part left to get rid of the decimal point. fraction_size = static_cast(fraction_end - begin - 1); std::memmove(begin + 1, begin + 2, to_unsigned(fraction_size)); } buf.try_resize(to_unsigned(fraction_size) + offset + 1); return exp - fraction_size; } } } // namespace detail template <> struct formatter { FMT_CONSTEXPR format_parse_context::iterator parse( format_parse_context& ctx) { return ctx.begin(); } format_context::iterator format(const detail::bigint& n, format_context& ctx) { auto out = ctx.out(); bool first = true; for (auto i = n.bigits_.size(); i > 0; --i) { auto value = n.bigits_[i - 1u]; if (first) { out = format_to(out, FMT_STRING("{:x}"), value); first = false; continue; } out = format_to(out, FMT_STRING("{:08x}"), value); } if (n.exp_ > 0) out = format_to(out, FMT_STRING("p{}"), n.exp_ * detail::bigint::bigit_bits); return out; } }; FMT_FUNC detail::utf8_to_utf16::utf8_to_utf16(string_view s) { for_each_codepoint(s, [this](uint32_t cp, int error) { if (error != 0) FMT_THROW(std::runtime_error("invalid utf8")); if (cp <= 0xFFFF) { buffer_.push_back(static_cast(cp)); } else { cp -= 0x10000; buffer_.push_back(static_cast(0xD800 + (cp >> 10))); buffer_.push_back(static_cast(0xDC00 + (cp & 0x3FF))); } }); buffer_.push_back(0); } FMT_FUNC void format_system_error(detail::buffer& out, int error_code, const char* message) FMT_NOEXCEPT { FMT_TRY { auto ec = std::error_code(error_code, std::generic_category()); write(std::back_inserter(out), std::system_error(ec, message).what()); return; } FMT_CATCH(...) {} format_error_code(out, error_code, message); } FMT_FUNC void detail::error_handler::on_error(const char* message) { FMT_THROW(format_error(message)); } FMT_FUNC void report_system_error(int error_code, const char* message) FMT_NOEXCEPT { report_error(format_system_error, error_code, message); } FMT_FUNC std::string vformat(string_view fmt, format_args args) { // Don't optimize the "{}" case to keep the binary size small and because it // can be better optimized in fmt::format anyway. auto buffer = memory_buffer(); detail::vformat_to(buffer, fmt, args); return to_string(buffer); } #ifdef _WIN32 namespace detail { using dword = conditional_t; extern "C" __declspec(dllimport) int __stdcall WriteConsoleW( // void*, const void*, dword, dword*, void*); } // namespace detail #endif namespace detail { FMT_FUNC void print(std::FILE* f, string_view text) { #ifdef _WIN32 auto fd = _fileno(f); if (_isatty(fd)) { detail::utf8_to_utf16 u16(string_view(text.data(), text.size())); auto written = detail::dword(); if (detail::WriteConsoleW(reinterpret_cast(_get_osfhandle(fd)), u16.c_str(), static_cast(u16.size()), &written, nullptr)) { return; } // Fallback to fwrite on failure. It can happen if the output has been // redirected to NUL. } #endif detail::fwrite_fully(text.data(), 1, text.size(), f); } } // namespace detail FMT_FUNC void vprint(std::FILE* f, string_view format_str, format_args args) { memory_buffer buffer; detail::vformat_to(buffer, format_str, args); detail::print(f, {buffer.data(), buffer.size()}); } #ifdef _WIN32 // Print assuming legacy (non-Unicode) encoding. FMT_FUNC void detail::vprint_mojibake(std::FILE* f, string_view format_str, format_args args) { memory_buffer buffer; detail::vformat_to(buffer, format_str, basic_format_args>(args)); fwrite_fully(buffer.data(), 1, buffer.size(), f); } #endif FMT_FUNC void vprint(string_view format_str, format_args args) { vprint(stdout, format_str, args); } FMT_END_NAMESPACE #endif // FMT_FORMAT_INL_H_ ================================================ FILE: vendor/spdlog/include/spdlog/fmt/bundled/format.h ================================================ /* Formatting library for C++ Copyright (c) 2012 - present, Victor Zverovich Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. --- Optional exception to the license --- As an exception, if, as a result of your compiling your source code, portions of this Software are embedded into a machine-executable object form of such source code, you may redistribute such embedded portions in such object form without including the above copyright and permission notices. */ #ifndef FMT_FORMAT_H_ #define FMT_FORMAT_H_ #include // std::signbit #include // uint32_t #include // std::numeric_limits #include // std::uninitialized_copy #include // std::runtime_error #include // std::system_error #include // std::swap #include "core.h" #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 #ifdef __has_builtin # define FMT_HAS_BUILTIN(x) __has_builtin(x) #else # define FMT_HAS_BUILTIN(x) 0 #endif #if FMT_GCC_VERSION || FMT_CLANG_VERSION # define FMT_NOINLINE __attribute__((noinline)) #else # define FMT_NOINLINE #endif #if FMT_MSC_VER # define FMT_MSC_DEFAULT = default #else # define FMT_MSC_DEFAULT #endif #ifndef FMT_THROW # if FMT_EXCEPTIONS # if FMT_MSC_VER || FMT_NVCC FMT_BEGIN_NAMESPACE namespace detail { template inline void do_throw(const Exception& x) { // Silence unreachable code warnings in MSVC and NVCC because these // are nearly impossible to fix in a generic code. volatile bool b = true; if (b) throw x; } } // namespace detail FMT_END_NAMESPACE # define FMT_THROW(x) detail::do_throw(x) # else # define FMT_THROW(x) throw x # endif # else # define FMT_THROW(x) \ do { \ FMT_ASSERT(false, (x).what()); \ } while (false) # 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 #ifndef FMT_DEPRECATED # if FMT_HAS_CPP14_ATTRIBUTE(deprecated) || FMT_MSC_VER >= 1900 # define FMT_DEPRECATED [[deprecated]] # else # if (defined(__GNUC__) && !defined(__LCC__)) || defined(__clang__) # define FMT_DEPRECATED __attribute__((deprecated)) # elif FMT_MSC_VER # define FMT_DEPRECATED __declspec(deprecated) # else # define FMT_DEPRECATED /* deprecated */ # endif # endif #endif // Workaround broken [[deprecated]] in the Intel, PGI and NVCC compilers. #if FMT_ICC_VERSION || defined(__PGI) || FMT_NVCC # define FMT_DEPRECATED_ALIAS #else # define FMT_DEPRECATED_ALIAS FMT_DEPRECATED #endif #ifndef FMT_USE_USER_DEFINED_LITERALS // EDG based compilers (Intel, NVIDIA, Elbrus, etc), GCC and MSVC support UDLs. # if (FMT_HAS_FEATURE(cxx_user_literals) || FMT_GCC_VERSION >= 407 || \ FMT_MSC_VER >= 1900) && \ (!defined(__EDG_VERSION__) || __EDG_VERSION__ >= /* UDL feature */ 480) # define FMT_USE_USER_DEFINED_LITERALS 1 # else # define FMT_USE_USER_DEFINED_LITERALS 0 # endif #endif // Defining FMT_REDUCE_INT_INSTANTIATIONS to 1, will reduce the number of // integer formatter template instantiations to just one by only using the // largest integer type. This results in a reduction in binary size but will // cause a decrease in integer formatting performance. #if !defined(FMT_REDUCE_INT_INSTANTIATIONS) # define FMT_REDUCE_INT_INSTANTIATIONS 0 #endif // __builtin_clz is broken in clang with Microsoft CodeGen: // https://github.com/fmtlib/fmt/issues/519 #if (FMT_GCC_VERSION || FMT_HAS_BUILTIN(__builtin_clz)) && !FMT_MSC_VER # define FMT_BUILTIN_CLZ(n) __builtin_clz(n) #endif #if (FMT_GCC_VERSION || FMT_HAS_BUILTIN(__builtin_clzll)) && !FMT_MSC_VER # define FMT_BUILTIN_CLZLL(n) __builtin_clzll(n) #endif #if (FMT_GCC_VERSION || FMT_HAS_BUILTIN(__builtin_ctz)) # define FMT_BUILTIN_CTZ(n) __builtin_ctz(n) #endif #if (FMT_GCC_VERSION || FMT_HAS_BUILTIN(__builtin_ctzll)) # define FMT_BUILTIN_CTZLL(n) __builtin_ctzll(n) #endif #if FMT_MSC_VER # include // _BitScanReverse[64], _BitScanForward[64], _umul128 #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(FMT_BUILTIN_CTZLL) FMT_BEGIN_NAMESPACE namespace detail { // Avoid Clang with Microsoft CodeGen's -Wunknown-pragmas warning. # if !defined(__clang__) # pragma managed(push, off) # pragma intrinsic(_BitScanForward) # pragma intrinsic(_BitScanReverse) # if defined(_WIN64) # pragma intrinsic(_BitScanForward64) # pragma intrinsic(_BitScanReverse64) # endif # endif inline auto clz(uint32_t x) -> int { unsigned long r = 0; _BitScanReverse(&r, x); FMT_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. FMT_MSC_WARNING(suppress : 6102) return 31 ^ static_cast(r); } # define FMT_BUILTIN_CLZ(n) detail::clz(n) inline auto clzll(uint64_t x) -> int { 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 FMT_ASSERT(x != 0, ""); FMT_MSC_WARNING(suppress : 6102) // Suppress a bogus static analysis warning. return 63 ^ static_cast(r); } # define FMT_BUILTIN_CLZLL(n) detail::clzll(n) inline auto ctz(uint32_t x) -> int { unsigned long r = 0; _BitScanForward(&r, x); FMT_ASSERT(x != 0, ""); FMT_MSC_WARNING(suppress : 6102) // Suppress a bogus static analysis warning. return static_cast(r); } # define FMT_BUILTIN_CTZ(n) detail::ctz(n) inline auto ctzll(uint64_t x) -> int { unsigned long r = 0; FMT_ASSERT(x != 0, ""); FMT_MSC_WARNING(suppress : 6102) // Suppress a bogus static analysis warning. # ifdef _WIN64 _BitScanForward64(&r, x); # else // Scan the low 32 bits. if (_BitScanForward(&r, static_cast(x))) return static_cast(r); // Scan the high 32 bits. _BitScanForward(&r, static_cast(x >> 32)); r += 32; # endif return static_cast(r); } # define FMT_BUILTIN_CTZLL(n) detail::ctzll(n) # if !defined(__clang__) # pragma managed(pop) # endif } // namespace detail FMT_END_NAMESPACE #endif FMT_BEGIN_NAMESPACE namespace detail { #if __cplusplus >= 202002L || \ (__cplusplus >= 201709L && FMT_GCC_VERSION >= 1002) # define FMT_CONSTEXPR20 constexpr #else # define FMT_CONSTEXPR20 #endif // An equivalent of `*reinterpret_cast(&source)` that doesn't have // undefined behavior (e.g. due to type aliasing). // Example: uint64_t d = bit_cast(2.718); template inline auto bit_cast(const Source& source) -> Dest { static_assert(sizeof(Dest) == sizeof(Source), "size mismatch"); Dest dest; std::memcpy(&dest, &source, sizeof(dest)); return dest; } inline auto is_big_endian() -> bool { const auto u = 1u; struct bytes { char data[sizeof(u)]; }; return bit_cast(u).data[0] == 0; } // A fallback implementation of uintptr_t for systems that lack it. struct fallback_uintptr { unsigned char value[sizeof(void*)]; fallback_uintptr() = default; explicit fallback_uintptr(const void* p) { *this = bit_cast(p); if (is_big_endian()) { for (size_t i = 0, j = sizeof(void*) - 1; i < j; ++i, --j) std::swap(value[i], value[j]); } } }; #ifdef UINTPTR_MAX using uintptr_t = ::uintptr_t; inline auto to_uintptr(const void* p) -> uintptr_t { return bit_cast(p); } #else using uintptr_t = fallback_uintptr; inline auto to_uintptr(const void* p) -> fallback_uintptr { return fallback_uintptr(p); } #endif // Returns the largest possible value for type T. Same as // std::numeric_limits::max() but shorter and not affected by the max macro. template constexpr auto max_value() -> T { return (std::numeric_limits::max)(); } template constexpr auto num_bits() -> int { return std::numeric_limits::digits; } // std::numeric_limits::digits may return 0 for 128-bit ints. template <> constexpr auto num_bits() -> int { return 128; } template <> constexpr auto num_bits() -> int { return 128; } template <> constexpr auto num_bits() -> int { return static_cast(sizeof(void*) * std::numeric_limits::digits); } FMT_INLINE void assume(bool condition) { (void)condition; #if FMT_HAS_BUILTIN(__builtin_assume) __builtin_assume(condition); #endif } // An approximation of iterator_t for pre-C++20 systems. template using iterator_t = decltype(std::begin(std::declval())); template using sentinel_t = decltype(std::end(std::declval())); // A workaround for std::string not having mutable data() until C++17. template inline auto get_data(std::basic_string& s) -> Char* { return &s[0]; } template inline auto get_data(Container& c) -> typename Container::value_type* { return c.data(); } #if defined(_SECURE_SCL) && _SECURE_SCL // Make a checked iterator to avoid MSVC warnings. template using checked_ptr = stdext::checked_array_iterator; template auto make_checked(T* p, size_t size) -> checked_ptr { return {p, size}; } #else template using checked_ptr = T*; template inline auto make_checked(T* p, size_t) -> T* { return p; } #endif // Attempts to reserve space for n extra characters in the output range. // Returns a pointer to the reserved range or a reference to it. template ::value)> #if FMT_CLANG_VERSION >= 307 && !FMT_ICC_VERSION __attribute__((no_sanitize("undefined"))) #endif inline auto reserve(std::back_insert_iterator it, size_t n) -> checked_ptr { Container& c = get_container(it); size_t size = c.size(); c.resize(size + n); return make_checked(get_data(c) + size, n); } template inline auto reserve(buffer_appender it, size_t n) -> buffer_appender { buffer& buf = get_container(it); buf.try_reserve(buf.size() + n); return it; } template constexpr auto reserve(Iterator& it, size_t) -> Iterator& { return it; } template using reserve_iterator = remove_reference_t(), 0))>; template constexpr auto to_pointer(OutputIt, size_t) -> T* { return nullptr; } template auto to_pointer(buffer_appender it, size_t n) -> T* { buffer& buf = get_container(it); auto size = buf.size(); if (buf.capacity() < size + n) return nullptr; buf.try_resize(size + n); return buf.data() + size; } template ::value)> inline auto base_iterator(std::back_insert_iterator& it, checked_ptr) -> std::back_insert_iterator { return it; } template constexpr auto base_iterator(Iterator, Iterator it) -> Iterator { return it; } // is spectacularly slow to compile in C++20 so use a simple fill_n // instead (#1998). template FMT_CONSTEXPR auto fill_n(OutputIt out, Size count, const T& value) -> OutputIt { for (Size i = 0; i < count; ++i) *out++ = value; return out; } template FMT_CONSTEXPR20 auto fill_n(T* out, Size count, char value) -> T* { if (is_constant_evaluated()) { return fill_n(out, count, value); } std::memset(out, value, to_unsigned(count)); return out + count; } #ifdef __cpp_char8_t using char8_type = char8_t; #else enum char8_type : unsigned char {}; #endif template FMT_CONSTEXPR FMT_NOINLINE auto copy_str_noinline(InputIt begin, InputIt end, OutputIt out) -> OutputIt { return copy_str(begin, end, out); } // A public domain branchless UTF-8 decoder by Christopher Wellons: // https://github.com/skeeto/branchless-utf8 /* Decode the next character, c, from s, reporting errors in e. * * Since this is a branchless decoder, four bytes will be read from the * buffer regardless of the actual length of the next character. This * means the buffer _must_ have at least three bytes of zero padding * following the end of the data stream. * * Errors are reported in e, which will be non-zero if the parsed * character was somehow invalid: invalid byte sequence, non-canonical * encoding, or a surrogate half. * * The function returns a pointer to the next character. When an error * occurs, this pointer will be a guess that depends on the particular * error, but it will always advance at least one byte. */ FMT_CONSTEXPR inline auto utf8_decode(const char* s, uint32_t* c, int* e) -> const char* { constexpr const int masks[] = {0x00, 0x7f, 0x1f, 0x0f, 0x07}; constexpr const uint32_t mins[] = {4194304, 0, 128, 2048, 65536}; constexpr const int shiftc[] = {0, 18, 12, 6, 0}; constexpr const int shifte[] = {0, 6, 4, 2, 0}; int len = code_point_length(s); const char* next = s + len; // Assume a four-byte character and load four bytes. Unused bits are // shifted out. *c = uint32_t(s[0] & masks[len]) << 18; *c |= uint32_t(s[1] & 0x3f) << 12; *c |= uint32_t(s[2] & 0x3f) << 6; *c |= uint32_t(s[3] & 0x3f) << 0; *c >>= shiftc[len]; // Accumulate the various error conditions. using uchar = unsigned char; *e = (*c < mins[len]) << 6; // non-canonical encoding *e |= ((*c >> 11) == 0x1b) << 7; // surrogate half? *e |= (*c > 0x10FFFF) << 8; // out of range? *e |= (uchar(s[1]) & 0xc0) >> 2; *e |= (uchar(s[2]) & 0xc0) >> 4; *e |= uchar(s[3]) >> 6; *e ^= 0x2a; // top two bits of each tail byte correct? *e >>= shifte[len]; return next; } template FMT_CONSTEXPR void for_each_codepoint(string_view s, F f) { auto decode = [f](const char* p) { auto cp = uint32_t(); auto error = 0; p = utf8_decode(p, &cp, &error); f(cp, error); return p; }; auto p = s.data(); const size_t block_size = 4; // utf8_decode always reads blocks of 4 chars. if (s.size() >= block_size) { for (auto end = p + s.size() - block_size + 1; p < end;) p = decode(p); } if (auto num_chars_left = s.data() + s.size() - p) { char buf[2 * block_size - 1] = {}; copy_str(p, p + num_chars_left, buf); p = buf; do { p = decode(p); } while (p - buf < num_chars_left); } } template inline auto compute_width(basic_string_view s) -> size_t { return s.size(); } // Computes approximate display width of a UTF-8 string. FMT_CONSTEXPR inline size_t compute_width(string_view s) { size_t num_code_points = 0; // It is not a lambda for compatibility with C++14. struct count_code_points { size_t* count; FMT_CONSTEXPR void operator()(uint32_t cp, int error) const { *count += detail::to_unsigned( 1 + (error == 0 && cp >= 0x1100 && (cp <= 0x115f || // Hangul Jamo init. consonants cp == 0x2329 || // LEFT-POINTING ANGLE BRACKET〈 cp == 0x232a || // RIGHT-POINTING ANGLE BRACKET 〉 // CJK ... Yi except Unicode Character “〿”: (cp >= 0x2e80 && cp <= 0xa4cf && cp != 0x303f) || (cp >= 0xac00 && cp <= 0xd7a3) || // Hangul Syllables (cp >= 0xf900 && cp <= 0xfaff) || // CJK Compatibility Ideographs (cp >= 0xfe10 && cp <= 0xfe19) || // Vertical Forms (cp >= 0xfe30 && cp <= 0xfe6f) || // CJK Compatibility Forms (cp >= 0xff00 && cp <= 0xff60) || // Fullwidth Forms (cp >= 0xffe0 && cp <= 0xffe6) || // Fullwidth Forms (cp >= 0x20000 && cp <= 0x2fffd) || // CJK (cp >= 0x30000 && cp <= 0x3fffd) || // Miscellaneous Symbols and Pictographs + Emoticons: (cp >= 0x1f300 && cp <= 0x1f64f) || // Supplemental Symbols and Pictographs: (cp >= 0x1f900 && cp <= 0x1f9ff)))); } }; for_each_codepoint(s, count_code_points{&num_code_points}); return num_code_points; } inline auto compute_width(basic_string_view s) -> size_t { return compute_width(basic_string_view( reinterpret_cast(s.data()), s.size())); } template inline auto code_point_index(basic_string_view s, size_t n) -> size_t { size_t size = s.size(); return n < size ? n : size; } // Calculates the index of the nth code point in a UTF-8 string. inline auto code_point_index(basic_string_view s, size_t n) -> size_t { const char8_type* data = s.data(); size_t num_code_points = 0; for (size_t i = 0, size = s.size(); i != size; ++i) { if ((data[i] & 0xc0) != 0x80 && ++num_code_points > n) return i; } return s.size(); } template using is_fast_float = bool_constant::is_iec559 && sizeof(T) <= sizeof(double)>; #ifndef FMT_USE_FULL_CACHE_DRAGONBOX # define FMT_USE_FULL_CACHE_DRAGONBOX 0 #endif template template void buffer::append(const U* begin, const U* end) { while (begin != end) { auto count = to_unsigned(end - begin); try_reserve(size_ + count); auto free_cap = capacity_ - size_; if (free_cap < count) count = free_cap; std::uninitialized_copy_n(begin, count, make_checked(ptr_ + size_, count)); size_ += count; begin += count; } } template struct is_locale : std::false_type {}; template struct is_locale> : std::true_type {}; } // namespace detail FMT_MODULE_EXPORT_BEGIN // 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 the ```memory_buffer`` type alias for ``char`` instead. **Example**:: fmt::memory_buffer out; format_to(out, "The answer is {}.", 42); This will append 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 final : public detail::buffer { private: T store_[SIZE]; // Don't inherit from Allocator avoid generating type_info for it. Allocator alloc_; // Deallocate memory allocated by the buffer. void deallocate() { T* data = this->data(); if (data != store_) alloc_.deallocate(data, this->capacity()); } protected: void grow(size_t size) final FMT_OVERRIDE; public: using value_type = T; using const_reference = const T&; explicit basic_memory_buffer(const Allocator& alloc = Allocator()) : alloc_(alloc) { this->set(store_, SIZE); } ~basic_memory_buffer() { deallocate(); } private: // Move data from other to this buffer. void move(basic_memory_buffer& other) { alloc_ = std::move(other.alloc_); T* data = other.data(); size_t size = other.size(), capacity = other.capacity(); if (data == other.store_) { this->set(store_, capacity); std::uninitialized_copy(other.store_, other.store_ + size, detail::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) FMT_NOEXCEPT { move(other); } /** \rst Moves the content of the other ``basic_memory_buffer`` object to this one. \endrst */ auto operator=(basic_memory_buffer&& other) FMT_NOEXCEPT -> basic_memory_buffer& { FMT_ASSERT(this != &other, ""); deallocate(); move(other); return *this; } // Returns a copy of the allocator associated with this buffer. auto get_allocator() const -> Allocator { return alloc_; } /** Resizes the buffer to contain *count* elements. If T is a POD type new elements may not be initialized. */ void resize(size_t count) { this->try_resize(count); } /** Increases the buffer capacity to *new_capacity*. */ void reserve(size_t new_capacity) { this->try_reserve(new_capacity); } // Directly append data into the buffer using detail::buffer::append; template void append(const ContiguousRange& range) { append(range.data(), range.data() + range.size()); } }; template void basic_memory_buffer::grow(size_t size) { #ifdef FMT_FUZZ if (size > 5000) throw std::runtime_error("fuzz mode - won't grow that much"); #endif const size_t max_size = std::allocator_traits::max_size(alloc_); size_t old_capacity = this->capacity(); size_t new_capacity = old_capacity + old_capacity / 2; if (size > new_capacity) new_capacity = size; else if (new_capacity > max_size) new_capacity = size > max_size ? size : max_size; T* old_data = this->data(); T* new_data = std::allocator_traits::allocate(alloc_, 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(), detail::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_) alloc_.deallocate(old_data, old_capacity); } using memory_buffer = basic_memory_buffer; template struct is_contiguous> : std::true_type { }; namespace detail { FMT_API void print(std::FILE*, string_view); } /** A formatting error such as invalid format string. */ FMT_CLASS_API class FMT_API 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) {} format_error(const format_error&) = default; format_error& operator=(const format_error&) = default; format_error(format_error&&) = default; format_error& operator=(format_error&&) = default; ~format_error() FMT_NOEXCEPT FMT_OVERRIDE FMT_MSC_DEFAULT; }; /** \rst Constructs a `~fmt::format_arg_store` object that contains references to arguments and can be implicitly converted to `~fmt::format_args`. If ``fmt`` is a compile-time string then `make_args_checked` checks its validity at compile time. \endrst */ template > FMT_INLINE auto make_args_checked(const S& fmt, const remove_reference_t&... args) -> format_arg_store, remove_reference_t...> { static_assert( detail::count<( std::is_base_of>::value && std::is_reference::value)...>() == 0, "passing views as lvalues is disallowed"); detail::check_format_string(fmt); return {args...}; } // compile-time support namespace detail_exported { #if FMT_USE_NONTYPE_TEMPLATE_PARAMETERS template struct fixed_string { constexpr fixed_string(const Char (&str)[N]) { detail::copy_str(static_cast(str), str + N, data); } Char data[N]{}; }; #endif // Converts a compile-time string to basic_string_view. template constexpr auto compile_string_to_view(const Char (&s)[N]) -> basic_string_view { // Remove trailing NUL character if needed. Won't be present if this is used // with a raw character array (i.e. not defined as a string). return {s, N - (std::char_traits::to_int_type(s[N - 1]) == 0 ? 1 : 0)}; } template constexpr auto compile_string_to_view(detail::std_string_view s) -> basic_string_view { return {s.data(), s.size()}; } } // namespace detail_exported FMT_BEGIN_DETAIL_NAMESPACE inline void throw_format_error(const char* message) { FMT_THROW(format_error(message)); } template struct is_integral : std::is_integral {}; template <> struct is_integral : std::true_type {}; template <> struct is_integral : std::true_type {}; template using is_signed = std::integral_constant::is_signed || std::is_same::value>; // Returns true if value is negative, false otherwise. // Same as `value < 0` but doesn't produce warnings if T is an unsigned type. template ::value)> FMT_CONSTEXPR auto is_negative(T value) -> bool { return value < 0; } template ::value)> FMT_CONSTEXPR auto is_negative(T) -> bool { return false; } template ::value)> FMT_CONSTEXPR auto is_supported_floating_point(T) -> uint16_t { return (std::is_same::value && FMT_USE_FLOAT) || (std::is_same::value && FMT_USE_DOUBLE) || (std::is_same::value && FMT_USE_LONG_DOUBLE); } // Smallest of uint32_t, uint64_t, uint128_t that is large enough to // represent all values of an integral type T. template using uint32_or_64_or_128_t = conditional_t() <= 32 && !FMT_REDUCE_INT_INSTANTIATIONS, uint32_t, conditional_t() <= 64, uint64_t, uint128_t>>; template using uint64_or_128_t = conditional_t() <= 64, uint64_t, uint128_t>; #define FMT_POWERS_OF_10(factor) \ factor * 10, (factor)*100, (factor)*1000, (factor)*10000, (factor)*100000, \ (factor)*1000000, (factor)*10000000, (factor)*100000000, \ (factor)*1000000000 // Static data is placed in this class template for the header-only config. template struct basic_data { // log10(2) = 0x0.4d104d427de7fbcc... static const uint64_t log10_2_significand = 0x4d104d427de7fbcc; // GCC generates slightly better code for pairs than chars. FMT_API static constexpr const char digits[][2] = { {'0', '0'}, {'0', '1'}, {'0', '2'}, {'0', '3'}, {'0', '4'}, {'0', '5'}, {'0', '6'}, {'0', '7'}, {'0', '8'}, {'0', '9'}, {'1', '0'}, {'1', '1'}, {'1', '2'}, {'1', '3'}, {'1', '4'}, {'1', '5'}, {'1', '6'}, {'1', '7'}, {'1', '8'}, {'1', '9'}, {'2', '0'}, {'2', '1'}, {'2', '2'}, {'2', '3'}, {'2', '4'}, {'2', '5'}, {'2', '6'}, {'2', '7'}, {'2', '8'}, {'2', '9'}, {'3', '0'}, {'3', '1'}, {'3', '2'}, {'3', '3'}, {'3', '4'}, {'3', '5'}, {'3', '6'}, {'3', '7'}, {'3', '8'}, {'3', '9'}, {'4', '0'}, {'4', '1'}, {'4', '2'}, {'4', '3'}, {'4', '4'}, {'4', '5'}, {'4', '6'}, {'4', '7'}, {'4', '8'}, {'4', '9'}, {'5', '0'}, {'5', '1'}, {'5', '2'}, {'5', '3'}, {'5', '4'}, {'5', '5'}, {'5', '6'}, {'5', '7'}, {'5', '8'}, {'5', '9'}, {'6', '0'}, {'6', '1'}, {'6', '2'}, {'6', '3'}, {'6', '4'}, {'6', '5'}, {'6', '6'}, {'6', '7'}, {'6', '8'}, {'6', '9'}, {'7', '0'}, {'7', '1'}, {'7', '2'}, {'7', '3'}, {'7', '4'}, {'7', '5'}, {'7', '6'}, {'7', '7'}, {'7', '8'}, {'7', '9'}, {'8', '0'}, {'8', '1'}, {'8', '2'}, {'8', '3'}, {'8', '4'}, {'8', '5'}, {'8', '6'}, {'8', '7'}, {'8', '8'}, {'8', '9'}, {'9', '0'}, {'9', '1'}, {'9', '2'}, {'9', '3'}, {'9', '4'}, {'9', '5'}, {'9', '6'}, {'9', '7'}, {'9', '8'}, {'9', '9'}}; FMT_API static constexpr const char hex_digits[] = "0123456789abcdef"; FMT_API static constexpr const char signs[] = {0, '-', '+', ' '}; FMT_API static constexpr const unsigned prefixes[4] = {0, 0, 0x1000000u | '+', 0x1000000u | ' '}; FMT_API static constexpr const char left_padding_shifts[] = {31, 31, 0, 1, 0}; FMT_API static constexpr const char right_padding_shifts[] = {0, 31, 0, 1, 0}; }; #ifdef FMT_SHARED // Required for -flto, -fivisibility=hidden and -shared to work extern template struct basic_data; #endif // This is a struct rather than an alias to avoid shadowing warnings in gcc. struct data : basic_data<> {}; template FMT_CONSTEXPR auto count_digits_fallback(T n) -> int { int 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; } } #if FMT_USE_INT128 FMT_CONSTEXPR inline auto count_digits(uint128_t n) -> int { return count_digits_fallback(n); } #endif // Returns the number of decimal digits in n. Leading zeros are not counted // except for n == 0 in which case count_digits returns 1. FMT_CONSTEXPR20 inline auto count_digits(uint64_t n) -> int { #ifdef FMT_BUILTIN_CLZLL if (!is_constant_evaluated()) { // https://github.com/fmtlib/format-benchmark/blob/master/digits10 // Maps bsr(n) to ceil(log10(pow(2, bsr(n) + 1) - 1)). constexpr uint16_t bsr2log10[] = { 1, 1, 1, 2, 2, 2, 3, 3, 3, 4, 4, 4, 4, 5, 5, 5, 6, 6, 6, 7, 7, 7, 7, 8, 8, 8, 9, 9, 9, 10, 10, 10, 10, 11, 11, 11, 12, 12, 12, 13, 13, 13, 13, 14, 14, 14, 15, 15, 15, 16, 16, 16, 16, 17, 17, 17, 18, 18, 18, 19, 19, 19, 19, 20}; auto t = bsr2log10[FMT_BUILTIN_CLZLL(n | 1) ^ 63]; constexpr const uint64_t zero_or_powers_of_10[] = { 0, 0, FMT_POWERS_OF_10(1U), FMT_POWERS_OF_10(1000000000ULL), 10000000000000000000ULL}; return t - (n < zero_or_powers_of_10[t]); } #endif return count_digits_fallback(n); } // Counts the number of digits in n. BITS = log2(radix). template FMT_CONSTEXPR auto count_digits(UInt n) -> int { #ifdef FMT_BUILTIN_CLZ if (num_bits() == 32) return (FMT_BUILTIN_CLZ(static_cast(n) | 1) ^ 31) / BITS + 1; #endif int num_digits = 0; do { ++num_digits; } while ((n >>= BITS) != 0); return num_digits; } template <> auto count_digits<4>(detail::fallback_uintptr n) -> int; // It is a separate function rather than a part of count_digits to workaround // the lack of static constexpr in constexpr functions. FMT_INLINE uint64_t count_digits_inc(int n) { // An optimization by Kendall Willets from https://bit.ly/3uOIQrB. // This increments the upper 32 bits (log10(T) - 1) when >= T is added. #define FMT_INC(T) (((sizeof(#T) - 1ull) << 32) - T) static constexpr uint64_t table[] = { FMT_INC(0), FMT_INC(0), FMT_INC(0), // 8 FMT_INC(10), FMT_INC(10), FMT_INC(10), // 64 FMT_INC(100), FMT_INC(100), FMT_INC(100), // 512 FMT_INC(1000), FMT_INC(1000), FMT_INC(1000), // 4096 FMT_INC(10000), FMT_INC(10000), FMT_INC(10000), // 32k FMT_INC(100000), FMT_INC(100000), FMT_INC(100000), // 256k FMT_INC(1000000), FMT_INC(1000000), FMT_INC(1000000), // 2048k FMT_INC(10000000), FMT_INC(10000000), FMT_INC(10000000), // 16M FMT_INC(100000000), FMT_INC(100000000), FMT_INC(100000000), // 128M FMT_INC(1000000000), FMT_INC(1000000000), FMT_INC(1000000000), // 1024M FMT_INC(1000000000), FMT_INC(1000000000) // 4B }; return table[n]; } // Optional version of count_digits for better performance on 32-bit platforms. FMT_CONSTEXPR20 inline auto count_digits(uint32_t n) -> int { #ifdef FMT_BUILTIN_CLZ if (!is_constant_evaluated()) { auto inc = count_digits_inc(FMT_BUILTIN_CLZ(n | 1) ^ 31); return static_cast((n + inc) >> 32); } #endif return count_digits_fallback(n); } template constexpr auto digits10() FMT_NOEXCEPT -> int { return std::numeric_limits::digits10; } template <> constexpr auto digits10() FMT_NOEXCEPT -> int { return 38; } template <> constexpr auto digits10() FMT_NOEXCEPT -> int { return 38; } template struct thousands_sep_result { std::string grouping; Char thousands_sep; }; template FMT_API auto thousands_sep_impl(locale_ref loc) -> thousands_sep_result; template inline auto thousands_sep(locale_ref loc) -> thousands_sep_result { auto result = thousands_sep_impl(loc); return {result.grouping, Char(result.thousands_sep)}; } template <> inline auto thousands_sep(locale_ref loc) -> thousands_sep_result { return thousands_sep_impl(loc); } template FMT_API auto decimal_point_impl(locale_ref loc) -> Char; template inline auto decimal_point(locale_ref loc) -> Char { return Char(decimal_point_impl(loc)); } template <> inline auto decimal_point(locale_ref loc) -> wchar_t { return decimal_point_impl(loc); } // Compares two characters for equality. template auto equal2(const Char* lhs, const char* rhs) -> bool { return lhs[0] == rhs[0] && lhs[1] == rhs[1]; } inline auto equal2(const char* lhs, const char* rhs) -> bool { return memcmp(lhs, rhs, 2) == 0; } // Copies two characters from src to dst. template void copy2(Char* dst, const char* src) { *dst++ = static_cast(*src++); *dst = static_cast(*src); } FMT_INLINE void copy2(char* dst, const char* src) { memcpy(dst, src, 2); } template struct format_decimal_result { Iterator begin; Iterator end; }; // Formats a decimal unsigned integer value writing into out pointing to a // buffer of specified size. The caller must ensure that the buffer is large // enough. template FMT_CONSTEXPR20 auto format_decimal(Char* out, UInt value, int size) -> format_decimal_result { FMT_ASSERT(size >= count_digits(value), "invalid digit count"); out += size; Char* end = out; if (is_constant_evaluated()) { while (value >= 10) { *--out = static_cast('0' + value % 10); value /= 10; } *--out = static_cast('0' + value); return {out, end}; } 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. out -= 2; copy2(out, data::digits[value % 100]); value /= 100; } if (value < 10) { *--out = static_cast('0' + value); return {out, end}; } out -= 2; copy2(out, data::digits[value]); return {out, end}; } template >::value)> inline auto format_decimal(Iterator out, UInt value, int size) -> format_decimal_result { // Buffer is large enough to hold all digits (digits10 + 1). Char buffer[digits10() + 1]; auto end = format_decimal(buffer, value, size).end; return {out, detail::copy_str_noinline(buffer, end, out)}; } template FMT_CONSTEXPR auto format_uint(Char* buffer, UInt value, int num_digits, bool upper = false) -> Char* { buffer += num_digits; Char* end = buffer; do { const char* digits = upper ? "0123456789ABCDEF" : data::hex_digits; unsigned digit = (value & ((1 << BASE_BITS) - 1)); *--buffer = static_cast(BASE_BITS < 4 ? static_cast('0' + digit) : digits[digit]); } while ((value >>= BASE_BITS) != 0); return end; } template auto format_uint(Char* buffer, detail::fallback_uintptr n, int num_digits, bool = false) -> Char* { auto char_digits = std::numeric_limits::digits / 4; int start = (num_digits + char_digits - 1) / char_digits - 1; if (int start_digits = num_digits % char_digits) { unsigned value = n.value[start--]; buffer = format_uint(buffer, value, start_digits); } for (; start >= 0; --start) { unsigned value = n.value[start]; buffer += char_digits; auto p = buffer; for (int i = 0; i < char_digits; ++i) { unsigned digit = (value & ((1 << BASE_BITS) - 1)); *--p = static_cast(data::hex_digits[digit]); value >>= BASE_BITS; } } return buffer; } template inline auto format_uint(It out, UInt value, int num_digits, bool upper = false) -> It { if (auto ptr = to_pointer(out, to_unsigned(num_digits))) { format_uint(ptr, value, num_digits, upper); return out; } // Buffer should be large enough to hold all digits (digits / BASE_BITS + 1). char buffer[num_bits() / BASE_BITS + 1]; format_uint(buffer, value, num_digits, upper); return detail::copy_str_noinline(buffer, buffer + num_digits, out); } // A converter from UTF-8 to UTF-16. class utf8_to_utf16 { private: basic_memory_buffer buffer_; public: FMT_API explicit utf8_to_utf16(string_view s); operator basic_string_view() const { return {&buffer_[0], size()}; } auto size() const -> size_t { return buffer_.size() - 1; } auto c_str() const -> const wchar_t* { return &buffer_[0]; } auto str() const -> std::wstring { return {&buffer_[0], size()}; } }; namespace dragonbox { // Type-specific information that Dragonbox uses. template struct float_info; template <> struct float_info { using carrier_uint = uint32_t; static const int significand_bits = 23; static const int exponent_bits = 8; static const int min_exponent = -126; static const int max_exponent = 127; static const int exponent_bias = -127; static const int decimal_digits = 9; static const int kappa = 1; static const int big_divisor = 100; static const int small_divisor = 10; static const int min_k = -31; static const int max_k = 46; static const int cache_bits = 64; static const int divisibility_check_by_5_threshold = 39; static const int case_fc_pm_half_lower_threshold = -1; static const int case_fc_pm_half_upper_threshold = 6; static const int case_fc_lower_threshold = -2; static const int case_fc_upper_threshold = 6; static const int case_shorter_interval_left_endpoint_lower_threshold = 2; static const int case_shorter_interval_left_endpoint_upper_threshold = 3; static const int shorter_interval_tie_lower_threshold = -35; static const int shorter_interval_tie_upper_threshold = -35; static const int max_trailing_zeros = 7; }; template <> struct float_info { using carrier_uint = uint64_t; static const int significand_bits = 52; static const int exponent_bits = 11; static const int min_exponent = -1022; static const int max_exponent = 1023; static const int exponent_bias = -1023; static const int decimal_digits = 17; static const int kappa = 2; static const int big_divisor = 1000; static const int small_divisor = 100; static const int min_k = -292; static const int max_k = 326; static const int cache_bits = 128; static const int divisibility_check_by_5_threshold = 86; static const int case_fc_pm_half_lower_threshold = -2; static const int case_fc_pm_half_upper_threshold = 9; static const int case_fc_lower_threshold = -4; static const int case_fc_upper_threshold = 9; static const int case_shorter_interval_left_endpoint_lower_threshold = 2; static const int case_shorter_interval_left_endpoint_upper_threshold = 3; static const int shorter_interval_tie_lower_threshold = -77; static const int shorter_interval_tie_upper_threshold = -77; static const int max_trailing_zeros = 16; }; template struct decimal_fp { using significand_type = typename float_info::carrier_uint; significand_type significand; int exponent; }; template FMT_API auto to_decimal(T x) FMT_NOEXCEPT -> decimal_fp; } // namespace dragonbox template constexpr auto exponent_mask() -> typename dragonbox::float_info::carrier_uint { using uint = typename dragonbox::float_info::carrier_uint; return ((uint(1) << dragonbox::float_info::exponent_bits) - 1) << dragonbox::float_info::significand_bits; } // Writes the exponent exp in the form "[+-]d{2,3}" to buffer. template auto write_exponent(int exp, It it) -> It { FMT_ASSERT(-10000 < exp && exp < 10000, "exponent out of range"); if (exp < 0) { *it++ = static_cast('-'); exp = -exp; } else { *it++ = static_cast('+'); } if (exp >= 100) { const char* top = data::digits[exp / 100]; if (exp >= 1000) *it++ = static_cast(top[0]); *it++ = static_cast(top[1]); exp %= 100; } const char* d = data::digits[exp]; *it++ = static_cast(d[0]); *it++ = static_cast(d[1]); return it; } template auto format_float(T value, int precision, float_specs specs, buffer& buf) -> int; // Formats a floating-point number with snprintf. template auto snprintf_float(T value, int precision, float_specs specs, buffer& buf) -> int; template auto promote_float(T value) -> T { return value; } inline auto promote_float(float value) -> double { return static_cast(value); } template FMT_NOINLINE FMT_CONSTEXPR auto fill(OutputIt it, size_t n, const fill_t& fill) -> OutputIt { auto fill_size = fill.size(); if (fill_size == 1) return detail::fill_n(it, n, fill[0]); auto data = fill.data(); for (size_t i = 0; i < n; ++i) it = copy_str(data, data + fill_size, it); return it; } // Writes the output of f, padded according to format specifications in specs. // size: output size in code units. // width: output display width in (terminal) column positions. template FMT_CONSTEXPR auto write_padded(OutputIt out, const basic_format_specs& specs, size_t size, size_t width, F&& f) -> OutputIt { static_assert(align == align::left || align == align::right, ""); unsigned spec_width = to_unsigned(specs.width); size_t padding = spec_width > width ? spec_width - width : 0; auto* shifts = align == align::left ? data::left_padding_shifts : data::right_padding_shifts; size_t left_padding = padding >> shifts[specs.align]; size_t right_padding = padding - left_padding; auto it = reserve(out, size + padding * specs.fill.size()); if (left_padding != 0) it = fill(it, left_padding, specs.fill); it = f(it); if (right_padding != 0) it = fill(it, right_padding, specs.fill); return base_iterator(out, it); } template constexpr auto write_padded(OutputIt out, const basic_format_specs& specs, size_t size, F&& f) -> OutputIt { return write_padded(out, specs, size, size, f); } template FMT_CONSTEXPR auto write_bytes(OutputIt out, string_view bytes, const basic_format_specs& specs) -> OutputIt { return write_padded( out, specs, bytes.size(), [bytes](reserve_iterator it) { const char* data = bytes.data(); return copy_str(data, data + bytes.size(), it); }); } template auto write_ptr(OutputIt out, UIntPtr value, const basic_format_specs* specs) -> OutputIt { int num_digits = count_digits<4>(value); auto size = to_unsigned(num_digits) + size_t(2); auto write = [=](reserve_iterator it) { *it++ = static_cast('0'); *it++ = static_cast('x'); return format_uint<4, Char>(it, value, num_digits); }; return specs ? write_padded(out, *specs, size, write) : base_iterator(out, write(reserve(out, size))); } template FMT_CONSTEXPR auto write_char(OutputIt out, Char value, const basic_format_specs& specs) -> OutputIt { return write_padded(out, specs, 1, [=](reserve_iterator it) { *it++ = value; return it; }); } template FMT_CONSTEXPR auto write(OutputIt out, Char value, const basic_format_specs& specs, locale_ref loc = {}) -> OutputIt { return check_char_specs(specs) ? write_char(out, value, specs) : write(out, static_cast(value), specs, loc); } // Data for write_int that doesn't depend on output iterator type. It is used to // avoid template code bloat. template struct write_int_data { size_t size; size_t padding; FMT_CONSTEXPR write_int_data(int num_digits, unsigned prefix, const basic_format_specs& specs) : size((prefix >> 24) + to_unsigned(num_digits)), padding(0) { if (specs.align == align::numeric) { auto width = to_unsigned(specs.width); if (width > size) { padding = width - size; size = width; } } else if (specs.precision > num_digits) { size = (prefix >> 24) + to_unsigned(specs.precision); padding = to_unsigned(specs.precision - num_digits); } } }; // Writes an integer in the format // // where are written by write_digits(it). // prefix contains chars in three lower bytes and the size in the fourth byte. template FMT_CONSTEXPR FMT_INLINE auto write_int(OutputIt out, int num_digits, unsigned prefix, const basic_format_specs& specs, W write_digits) -> OutputIt { // Slightly faster check for specs.width == 0 && specs.precision == -1. if ((specs.width | (specs.precision + 1)) == 0) { auto it = reserve(out, to_unsigned(num_digits) + (prefix >> 24)); if (prefix != 0) { for (unsigned p = prefix & 0xffffff; p != 0; p >>= 8) *it++ = static_cast(p & 0xff); } return base_iterator(out, write_digits(it)); } auto data = write_int_data(num_digits, prefix, specs); return write_padded( out, specs, data.size, [=](reserve_iterator it) { for (unsigned p = prefix & 0xffffff; p != 0; p >>= 8) *it++ = static_cast(p & 0xff); it = detail::fill_n(it, data.padding, static_cast('0')); return write_digits(it); }); } template auto write_int_localized(OutputIt& out, UInt value, unsigned prefix, const basic_format_specs& specs, locale_ref loc) -> bool { static_assert(std::is_same, UInt>::value, ""); const auto sep_size = 1; auto ts = thousands_sep(loc); if (!ts.thousands_sep) return false; int num_digits = count_digits(value); int size = num_digits, n = num_digits; const std::string& groups = ts.grouping; std::string::const_iterator group = groups.cbegin(); while (group != groups.cend() && n > *group && *group > 0 && *group != max_value()) { size += sep_size; n -= *group; ++group; } if (group == groups.cend()) size += sep_size * ((n - 1) / groups.back()); char digits[40]; format_decimal(digits, value, num_digits); basic_memory_buffer buffer; if (prefix != 0) ++size; const auto usize = to_unsigned(size); buffer.resize(usize); basic_string_view s(&ts.thousands_sep, sep_size); // Index of a decimal digit with the least significant digit having index 0. int digit_index = 0; group = groups.cbegin(); auto p = buffer.data() + size - 1; for (int i = num_digits - 1; i > 0; --i) { *p-- = static_cast(digits[i]); if (*group <= 0 || ++digit_index % *group != 0 || *group == max_value()) continue; if (group + 1 != groups.cend()) { digit_index = 0; ++group; } std::uninitialized_copy(s.data(), s.data() + s.size(), make_checked(p, s.size())); p -= s.size(); } *p-- = static_cast(*digits); if (prefix != 0) *p = static_cast(prefix); auto data = buffer.data(); out = write_padded( out, specs, usize, usize, [=](reserve_iterator it) { return copy_str(data, data + size, it); }); return true; } FMT_CONSTEXPR inline void prefix_append(unsigned& prefix, unsigned value) { prefix |= prefix != 0 ? value << 8 : value; prefix += (1u + (value > 0xff ? 1 : 0)) << 24; } template struct write_int_arg { UInt abs_value; unsigned prefix; }; template FMT_CONSTEXPR auto make_write_int_arg(T value, sign_t sign) -> write_int_arg> { auto prefix = 0u; auto abs_value = static_cast>(value); if (is_negative(value)) { prefix = 0x01000000 | '-'; abs_value = 0 - abs_value; } else { prefix = data::prefixes[sign]; } return {abs_value, prefix}; } template FMT_CONSTEXPR FMT_INLINE auto write_int(OutputIt out, write_int_arg arg, const basic_format_specs& specs, locale_ref loc) -> OutputIt { static_assert(std::is_same>::value, ""); auto abs_value = arg.abs_value; auto prefix = arg.prefix; auto utype = static_cast(specs.type); switch (specs.type) { case 0: case 'd': { if (specs.localized && write_int_localized(out, static_cast>(abs_value), prefix, specs, loc)) { return out; } auto num_digits = count_digits(abs_value); return write_int( out, num_digits, prefix, specs, [=](reserve_iterator it) { return format_decimal(it, abs_value, num_digits).end; }); } case 'x': case 'X': { if (specs.alt) prefix_append(prefix, (utype << 8) | '0'); bool upper = specs.type != 'x'; int num_digits = count_digits<4>(abs_value); return write_int( out, num_digits, prefix, specs, [=](reserve_iterator it) { return format_uint<4, Char>(it, abs_value, num_digits, upper); }); } case 'b': case 'B': { if (specs.alt) prefix_append(prefix, (utype << 8) | '0'); int num_digits = count_digits<1>(abs_value); return write_int(out, num_digits, prefix, specs, [=](reserve_iterator it) { return format_uint<1, Char>(it, abs_value, num_digits); }); } case 'o': { int num_digits = count_digits<3>(abs_value); if (specs.alt && specs.precision <= num_digits && abs_value != 0) { // Octal prefix '0' is counted as a digit, so only add it if precision // is not greater than the number of digits. prefix_append(prefix, '0'); } return write_int(out, num_digits, prefix, specs, [=](reserve_iterator it) { return format_uint<3, Char>(it, abs_value, num_digits); }); } case 'c': return write_char(out, static_cast(abs_value), specs); default: FMT_THROW(format_error("invalid type specifier")); } return out; } template ::value && !std::is_same::value && std::is_same>::value)> FMT_CONSTEXPR auto write(OutputIt out, T value, const basic_format_specs& specs, locale_ref loc) -> OutputIt { return write_int(out, make_write_int_arg(value, specs.sign), specs, loc); } // An inlined version of write used in format string compilation. template ::value && !std::is_same::value && !std::is_same>::value)> FMT_CONSTEXPR FMT_INLINE auto write(OutputIt out, T value, const basic_format_specs& specs, locale_ref loc) -> OutputIt { return write_int(out, make_write_int_arg(value, specs.sign), specs, loc); } template FMT_CONSTEXPR auto write(OutputIt out, basic_string_view s, const basic_format_specs& specs) -> OutputIt { auto data = s.data(); auto size = s.size(); if (specs.precision >= 0 && to_unsigned(specs.precision) < size) size = code_point_index(s, to_unsigned(specs.precision)); auto width = specs.width != 0 ? compute_width(basic_string_view(data, size)) : 0; return write_padded(out, specs, size, width, [=](reserve_iterator it) { return copy_str(data, data + size, it); }); } template FMT_CONSTEXPR auto write(OutputIt out, basic_string_view> s, const basic_format_specs& specs, locale_ref) -> OutputIt { return write(out, s, specs); } template FMT_CONSTEXPR auto write(OutputIt out, const Char* s, const basic_format_specs& specs, locale_ref) -> OutputIt { return check_cstring_type_spec(specs.type) ? write(out, basic_string_view(s), specs, {}) : write_ptr(out, to_uintptr(s), &specs); } template auto write_nonfinite(OutputIt out, bool isinf, basic_format_specs specs, const float_specs& fspecs) -> OutputIt { auto str = isinf ? (fspecs.upper ? "INF" : "inf") : (fspecs.upper ? "NAN" : "nan"); constexpr size_t str_size = 3; auto sign = fspecs.sign; auto size = str_size + (sign ? 1 : 0); // Replace '0'-padding with space for non-finite values. const bool is_zero_fill = specs.fill.size() == 1 && *specs.fill.data() == static_cast('0'); if (is_zero_fill) specs.fill[0] = static_cast(' '); return write_padded(out, specs, size, [=](reserve_iterator it) { if (sign) *it++ = static_cast(data::signs[sign]); return copy_str(str, str + str_size, it); }); } // A decimal floating-point number significand * pow(10, exp). struct big_decimal_fp { const char* significand; int significand_size; int exponent; }; inline auto get_significand_size(const big_decimal_fp& fp) -> int { return fp.significand_size; } template inline auto get_significand_size(const dragonbox::decimal_fp& fp) -> int { return count_digits(fp.significand); } template inline auto write_significand(OutputIt out, const char* significand, int& significand_size) -> OutputIt { return copy_str(significand, significand + significand_size, out); } template inline auto write_significand(OutputIt out, UInt significand, int significand_size) -> OutputIt { return format_decimal(out, significand, significand_size).end; } template ::value)> inline auto write_significand(Char* out, UInt significand, int significand_size, int integral_size, Char decimal_point) -> Char* { if (!decimal_point) return format_decimal(out, significand, significand_size).end; auto end = format_decimal(out + 1, significand, significand_size).end; if (integral_size == 1) { out[0] = out[1]; } else { std::uninitialized_copy_n(out + 1, integral_size, make_checked(out, to_unsigned(integral_size))); } out[integral_size] = decimal_point; return end; } template >::value)> inline auto write_significand(OutputIt out, UInt significand, int significand_size, int integral_size, Char decimal_point) -> OutputIt { // Buffer is large enough to hold digits (digits10 + 1) and a decimal point. Char buffer[digits10() + 2]; auto end = write_significand(buffer, significand, significand_size, integral_size, decimal_point); return detail::copy_str_noinline(buffer, end, out); } template inline auto write_significand(OutputIt out, const char* significand, int significand_size, int integral_size, Char decimal_point) -> OutputIt { out = detail::copy_str_noinline(significand, significand + integral_size, out); if (!decimal_point) return out; *out++ = decimal_point; return detail::copy_str_noinline(significand + integral_size, significand + significand_size, out); } template auto write_float(OutputIt out, const DecimalFP& fp, const basic_format_specs& specs, float_specs fspecs, Char decimal_point) -> OutputIt { auto significand = fp.significand; int significand_size = get_significand_size(fp); static const Char zero = static_cast('0'); auto sign = fspecs.sign; size_t size = to_unsigned(significand_size) + (sign ? 1 : 0); using iterator = reserve_iterator; int output_exp = fp.exponent + significand_size - 1; auto use_exp_format = [=]() { if (fspecs.format == float_format::exp) return true; if (fspecs.format != float_format::general) return false; // Use the fixed notation if the exponent is in [exp_lower, exp_upper), // e.g. 0.0001 instead of 1e-04. Otherwise use the exponent notation. const int exp_lower = -4, exp_upper = 16; return output_exp < exp_lower || output_exp >= (fspecs.precision > 0 ? fspecs.precision : exp_upper); }; if (use_exp_format()) { int num_zeros = 0; if (fspecs.showpoint) { num_zeros = fspecs.precision - significand_size; if (num_zeros < 0) num_zeros = 0; size += to_unsigned(num_zeros); } else if (significand_size == 1) { decimal_point = Char(); } auto abs_output_exp = output_exp >= 0 ? output_exp : -output_exp; int exp_digits = 2; if (abs_output_exp >= 100) exp_digits = abs_output_exp >= 1000 ? 4 : 3; size += to_unsigned((decimal_point ? 1 : 0) + 2 + exp_digits); char exp_char = fspecs.upper ? 'E' : 'e'; auto write = [=](iterator it) { if (sign) *it++ = static_cast(data::signs[sign]); // Insert a decimal point after the first digit and add an exponent. it = write_significand(it, significand, significand_size, 1, decimal_point); if (num_zeros > 0) it = detail::fill_n(it, num_zeros, zero); *it++ = static_cast(exp_char); return write_exponent(output_exp, it); }; return specs.width > 0 ? write_padded(out, specs, size, write) : base_iterator(out, write(reserve(out, size))); } int exp = fp.exponent + significand_size; if (fp.exponent >= 0) { // 1234e5 -> 123400000[.0+] size += to_unsigned(fp.exponent); int num_zeros = fspecs.precision - exp; #ifdef FMT_FUZZ if (num_zeros > 5000) throw std::runtime_error("fuzz mode - avoiding excessive cpu use"); #endif if (fspecs.showpoint) { if (num_zeros <= 0 && fspecs.format != float_format::fixed) num_zeros = 1; if (num_zeros > 0) size += to_unsigned(num_zeros) + 1; } return write_padded(out, specs, size, [&](iterator it) { if (sign) *it++ = static_cast(data::signs[sign]); it = write_significand(it, significand, significand_size); it = detail::fill_n(it, fp.exponent, zero); if (!fspecs.showpoint) return it; *it++ = decimal_point; return num_zeros > 0 ? detail::fill_n(it, num_zeros, zero) : it; }); } else if (exp > 0) { // 1234e-2 -> 12.34[0+] int num_zeros = fspecs.showpoint ? fspecs.precision - significand_size : 0; size += 1 + to_unsigned(num_zeros > 0 ? num_zeros : 0); return write_padded(out, specs, size, [&](iterator it) { if (sign) *it++ = static_cast(data::signs[sign]); it = write_significand(it, significand, significand_size, exp, decimal_point); return num_zeros > 0 ? detail::fill_n(it, num_zeros, zero) : it; }); } // 1234e-6 -> 0.001234 int num_zeros = -exp; if (significand_size == 0 && fspecs.precision >= 0 && fspecs.precision < num_zeros) { num_zeros = fspecs.precision; } bool pointy = num_zeros != 0 || significand_size != 0 || fspecs.showpoint; size += 1 + (pointy ? 1 : 0) + to_unsigned(num_zeros); return write_padded(out, specs, size, [&](iterator it) { if (sign) *it++ = static_cast(data::signs[sign]); *it++ = zero; if (!pointy) return it; *it++ = decimal_point; it = detail::fill_n(it, num_zeros, zero); return write_significand(it, significand, significand_size); }); } template ::value)> auto write(OutputIt out, T value, basic_format_specs specs, locale_ref loc = {}) -> OutputIt { if (const_check(!is_supported_floating_point(value))) return out; float_specs fspecs = parse_float_type_spec(specs); fspecs.sign = specs.sign; if (std::signbit(value)) { // value < 0 is false for NaN so use signbit. fspecs.sign = sign::minus; value = -value; } else if (fspecs.sign == sign::minus) { fspecs.sign = sign::none; } if (!std::isfinite(value)) return write_nonfinite(out, std::isinf(value), specs, fspecs); if (specs.align == align::numeric && fspecs.sign) { auto it = reserve(out, 1); *it++ = static_cast(data::signs[fspecs.sign]); out = base_iterator(out, it); fspecs.sign = sign::none; if (specs.width != 0) --specs.width; } memory_buffer buffer; if (fspecs.format == float_format::hex) { if (fspecs.sign) buffer.push_back(data::signs[fspecs.sign]); snprintf_float(promote_float(value), specs.precision, fspecs, buffer); return write_bytes(out, {buffer.data(), buffer.size()}, specs); } int precision = specs.precision >= 0 || !specs.type ? specs.precision : 6; if (fspecs.format == float_format::exp) { if (precision == max_value()) FMT_THROW(format_error("number is too big")); else ++precision; } if (const_check(std::is_same())) fspecs.binary32 = true; fspecs.use_grisu = is_fast_float(); int exp = format_float(promote_float(value), precision, fspecs, buffer); fspecs.precision = precision; Char point = fspecs.locale ? decimal_point(loc) : static_cast('.'); auto fp = big_decimal_fp{buffer.data(), static_cast(buffer.size()), exp}; return write_float(out, fp, specs, fspecs, point); } template ::value)> auto write(OutputIt out, T value) -> OutputIt { if (const_check(!is_supported_floating_point(value))) return out; using floaty = conditional_t::value, double, T>; using uint = typename dragonbox::float_info::carrier_uint; auto bits = bit_cast(value); auto fspecs = float_specs(); auto sign_bit = bits & (uint(1) << (num_bits() - 1)); if (sign_bit != 0) { fspecs.sign = sign::minus; value = -value; } static const auto specs = basic_format_specs(); uint mask = exponent_mask(); if ((bits & mask) == mask) return write_nonfinite(out, std::isinf(value), specs, fspecs); auto dec = dragonbox::to_decimal(static_cast(value)); return write_float(out, dec, specs, fspecs, static_cast('.')); } template ::value && !is_fast_float::value)> inline auto write(OutputIt out, T value) -> OutputIt { return write(out, value, basic_format_specs()); } template auto write(OutputIt out, monostate, basic_format_specs = {}, locale_ref = {}) -> OutputIt { FMT_ASSERT(false, ""); return out; } template FMT_CONSTEXPR auto write(OutputIt out, basic_string_view value) -> OutputIt { auto it = reserve(out, value.size()); it = copy_str_noinline(value.begin(), value.end(), it); return base_iterator(out, it); } template ::value)> constexpr auto write(OutputIt out, const T& value) -> OutputIt { return write(out, to_string_view(value)); } template ::value && !std::is_same::value && !std::is_same::value)> FMT_CONSTEXPR auto write(OutputIt out, T value) -> OutputIt { auto abs_value = static_cast>(value); bool negative = is_negative(value); // Don't do -abs_value since it trips unsigned-integer-overflow sanitizer. if (negative) abs_value = ~abs_value + 1; int num_digits = count_digits(abs_value); auto size = (negative ? 1 : 0) + static_cast(num_digits); auto it = reserve(out, size); if (auto ptr = to_pointer(it, size)) { if (negative) *ptr++ = static_cast('-'); format_decimal(ptr, abs_value, num_digits); return out; } if (negative) *it++ = static_cast('-'); it = format_decimal(it, abs_value, num_digits).end; return base_iterator(out, it); } // FMT_ENABLE_IF() condition separated to workaround MSVC bug template < typename Char, typename OutputIt, typename T, bool check = std::is_enum::value && !std::is_same::value && mapped_type_constant>::value != type::custom_type, FMT_ENABLE_IF(check)> FMT_CONSTEXPR auto write(OutputIt out, T value) -> OutputIt { return write( out, static_cast::type>(value)); } template ::value)> FMT_CONSTEXPR auto write(OutputIt out, T value, const basic_format_specs& specs = {}, locale_ref = {}) -> OutputIt { return specs.type && specs.type != 's' ? write(out, value ? 1 : 0, specs, {}) : write_bytes(out, value ? "true" : "false", specs); } template FMT_CONSTEXPR auto write(OutputIt out, Char value) -> OutputIt { auto it = reserve(out, 1); *it++ = value; return base_iterator(out, it); } template FMT_CONSTEXPR_CHAR_TRAITS auto write(OutputIt out, const Char* value) -> OutputIt { if (!value) { FMT_THROW(format_error("string pointer is null")); } else { auto length = std::char_traits::length(value); out = write(out, basic_string_view(value, length)); } return out; } template ::value)> auto write(OutputIt out, const T* value, const basic_format_specs& specs = {}, locale_ref = {}) -> OutputIt { check_pointer_type_spec(specs.type, error_handler()); return write_ptr(out, to_uintptr(value), &specs); } template FMT_CONSTEXPR auto write(OutputIt out, const T& value) -> typename std::enable_if< mapped_type_constant>::value == type::custom_type, OutputIt>::type { using context_type = basic_format_context; using formatter_type = conditional_t::value, typename context_type::template formatter_type, fallback_formatter>; context_type ctx(out, {}, {}); return formatter_type().format(value, ctx); } // An argument visitor that formats the argument and writes it via the output // iterator. It's a class and not a generic lambda for compatibility with C++11. template struct default_arg_formatter { using iterator = buffer_appender; using context = buffer_context; iterator out; basic_format_args args; locale_ref loc; template auto operator()(T value) -> iterator { return write(out, value); } auto operator()(typename basic_format_arg::handle h) -> iterator { basic_format_parse_context parse_ctx({}); context format_ctx(out, args, loc); h.format(parse_ctx, format_ctx); return format_ctx.out(); } }; template struct arg_formatter { using iterator = buffer_appender; using context = buffer_context; iterator out; const basic_format_specs& specs; locale_ref locale; template FMT_CONSTEXPR FMT_INLINE auto operator()(T value) -> iterator { return detail::write(out, value, specs, locale); } auto operator()(typename basic_format_arg::handle) -> iterator { // User-defined types are handled separately because they require access // to the parse context. return out; } }; template struct custom_formatter { basic_format_parse_context& parse_ctx; buffer_context& ctx; void operator()( typename basic_format_arg>::handle h) const { h.format(parse_ctx, ctx); } template void operator()(T) const {} }; template using is_integer = bool_constant::value && !std::is_same::value && !std::is_same::value && !std::is_same::value>; template class width_checker { public: explicit FMT_CONSTEXPR width_checker(ErrorHandler& eh) : handler_(eh) {} template ::value)> FMT_CONSTEXPR auto operator()(T value) -> unsigned long long { if (is_negative(value)) handler_.on_error("negative width"); return static_cast(value); } template ::value)> FMT_CONSTEXPR auto operator()(T) -> unsigned long long { handler_.on_error("width is not integer"); return 0; } private: ErrorHandler& handler_; }; template class precision_checker { public: explicit FMT_CONSTEXPR precision_checker(ErrorHandler& eh) : handler_(eh) {} template ::value)> FMT_CONSTEXPR auto operator()(T value) -> unsigned long long { if (is_negative(value)) handler_.on_error("negative precision"); return static_cast(value); } template ::value)> FMT_CONSTEXPR auto operator()(T) -> unsigned long long { handler_.on_error("precision is not integer"); return 0; } private: ErrorHandler& handler_; }; template