From 1d1d746d996b5210bbebb0c0625470d9071fada8 Mon Sep 17 00:00:00 2001 From: Simon Judd Date: Fri, 27 Dec 2024 17:07:17 +1030 Subject: [PATCH 1/8] Allow mouse movement while left click is pressed on a toolbar button Should make the buttons less finnicky --- src/UI/SToolBar/SToolBarButton.cpp | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/UI/SToolBar/SToolBarButton.cpp b/src/UI/SToolBar/SToolBarButton.cpp index 03d60e975..89bd68864 100644 --- a/src/UI/SToolBar/SToolBarButton.cpp +++ b/src/UI/SToolBar/SToolBarButton.cpp @@ -221,7 +221,7 @@ bool SToolBarButton::updateState(int mouse_event) auto prev_state = state_; if (mouse_event == 1) // Enter or motion - state_ = State::MouseOver; + state_ = wxGetMouseState().LeftIsDown() ? State::MouseDown : State::MouseOver; else if (mouse_event == 2) // Leave state_ = State::Normal; else if (IsShownOnScreen() && IsEnabled()) From bf00e9f8ffc35d48c1b3d8dd85d7a37731ebd235 Mon Sep 17 00:00:00 2001 From: Simon Judd Date: Tue, 31 Dec 2024 17:18:06 +1030 Subject: [PATCH 2/8] Various MIDI/Fluidsynth fixes and improvements - Use pulseaudio instead of alsa as the default driver on linux (Fix #1147) - Add 'default-GM.sf2' to linux soundfont path detection, looks like this changed since the detection was originally added - Stop all notes when pausing/stopping fluidsynth, hopefully this fixes some notes getting stuck playing when switching between MIDI entries --- src/Audio/MIDIPlayer.cpp | 19 ++++++++++++------- 1 file changed, 12 insertions(+), 7 deletions(-) diff --git a/src/Audio/MIDIPlayer.cpp b/src/Audio/MIDIPlayer.cpp index 1521a6af9..bd4762fe9 100644 --- a/src/Audio/MIDIPlayer.cpp +++ b/src/Audio/MIDIPlayer.cpp @@ -90,15 +90,18 @@ class FluidSynthMIDIPlayer : public MIDIPlayer fs_initialised_ = false; file_ = ""; - // Set fluidsynth driver to alsa in linux (no idea why it defaults to jack) + // Set fluidsynth driver to pulseaudio in linux (no idea why it defaults to jack) if (app::platform() == app::Platform::Linux && fs_driver.value.empty()) - fs_driver = "alsa"; + fs_driver = "pulseaudio"; // Init soundfont path if (fs_soundfont_path.value.empty()) { if (app::platform() == app::Platform::Linux) - fs_soundfont_path = "/usr/share/sounds/sf2/FluidR3_GM.sf2:/usr/share/sounds/sf2/FluidR3_GS.sf2"; + fs_soundfont_path = + "/usr/share/sounds/sf2/FluidR3_GM.sf2" + ":/usr/share/sounds/sf2/FluidR3_GS.sf2" + ":/usr/share/sounds/sf2/default-GM.sf2"; else log::warning(1, "No FluidSynth soundfont set, MIDI playback will not work"); } @@ -249,7 +252,10 @@ class FluidSynthMIDIPlayer : public MIDIPlayer elapsed_ms_ += timer_.getElapsedTime().asMilliseconds(); - return fluid_player_stop(fs_player_) == FLUID_OK; + auto ok = fluid_player_stop(fs_player_) == FLUID_OK; + fluid_synth_all_notes_off(fs_synth_, -1); + + return ok; } // ------------------------------------------------------------------------- @@ -257,9 +263,8 @@ class FluidSynthMIDIPlayer : public MIDIPlayer // ------------------------------------------------------------------------- bool stop() override { - if (isPlaying()) - fluid_player_stop(fs_player_); - + fluid_player_stop(fs_player_); + fluid_synth_all_notes_off(fs_synth_, -1); fluid_player_seek(fs_player_, 0); elapsed_ms_ = 0; From 3baac1241dc34bb730d2763c720b4a03c708e0a8 Mon Sep 17 00:00:00 2001 From: Pedro Beirao <82064173+Pedro-Beirao@users.noreply.github.com> Date: Wed, 8 Jan 2025 10:25:28 +0000 Subject: [PATCH 3/8] Add macOS CI artifacts uploading (#1770) --- .github/workflows/continuous_integration.yml | 88 +++++++++++++------- 1 file changed, 59 insertions(+), 29 deletions(-) diff --git a/.github/workflows/continuous_integration.yml b/.github/workflows/continuous_integration.yml index a93fbf70b..3eb728da9 100644 --- a/.github/workflows/continuous_integration.yml +++ b/.github/workflows/continuous_integration.yml @@ -6,51 +6,81 @@ jobs: build: name: ${{ matrix.config.name }} runs-on: ${{ matrix.config.os }} + defaults: + run: + shell: ${{ matrix.config.shell }} strategy: fail-fast: false matrix: config: - - { - name: "macOS", - os: macos-latest, - deps_cmdline: "brew install fluidsynth freeimage ftgl lua mpg123 sfml wxwidgets" - } - - { - name: "Linux GCC", - os: ubuntu-24.04, - deps_cmdline: "sudo apt install \ - libfluidsynth-dev libfreeimage-dev libwebkit2gtk-4.1-dev \ - libftgl-dev liblua5.3-dev libmpg123-dev libsfml-dev \ - libwxgtk3.2-dev libwxgtk-webview3.2-dev" - } - - { - name: "Linux Clang", - os: ubuntu-24.04, - extra_options: "-DCMAKE_C_COMPILER=clang -DCMAKE_CXX_COMPILER=clang++", - deps_cmdline: "sudo apt install \ - libfluidsynth-dev libfreeimage-dev libwebkit2gtk-4.1-dev \ - libftgl-dev liblua5.3-dev libmpg123-dev libsfml-dev \ - libwxgtk3.2-dev libwxgtk-webview3.2-dev" - } + - name: "macOS arm64" + os: macos-latest + release: true + shell: bash + package_name: "mac_arm64" + artifact-path: build/*.dmg + + - name: "macOS x64" + os: macos-13 + release: true + shell: bash + package_name: "mac_x64" + artifact-path: build/*.dmg + + - name: "Linux GCC" + os: ubuntu-24.04 + shell: bash + + - name: "Linux Clang" + os: ubuntu-24.04 + shell: bash + extra_options: "-DCMAKE_C_COMPILER=clang -DCMAKE_CXX_COMPILER=clang++" steps: - uses: actions/checkout@v2 - - name: Install Dependencies - shell: bash + - name: Install Dependencies (macOS) + if: runner.os == 'macOS' + run: brew install fluidsynth freeimage ftgl lua mpg123 sfml wxwidgets dylibbundler create-dmg + + - name: Install Dependencies (Linux) + if: runner.os == 'Linux' run: | - if [[ ! -z "${{ matrix.config.deps_cmdline }}" ]]; then - eval ${{ matrix.config.deps_cmdline }} - fi + sudo apt-get update + sudo apt-get upgrade + sudo apt-get install \ + libfluidsynth-dev libfreeimage-dev libwebkit2gtk-4.1-dev \ + libftgl-dev liblua5.3-dev libmpg123-dev libsfml-dev \ + libwxgtk3.2-dev libwxgtk-webview3.2-dev - name: Configure - shell: bash run: | mkdir build cmake -B build ${{ matrix.config.extra_options }} . - name: Build - shell: bash run: | export MAKEFLAGS=--keep-going cmake --build build --parallel 3 + + - name: Package (macOS) + if: runner.os == 'macOS' + run: | + cd build + dylibbundler -od -b -x slade.app/Contents/MacOS/slade -d slade.app/Contents/MacOS/libs -p @executable_path/libs + create-dmg --app-drop-link 10 10 ./slade_${{ matrix.config.package_name }}_${{ github.ref_name }}.dmg ./slade.app + + - name: Upload Artifacts + if: ${{ matrix.config.package_name }} + uses: actions/upload-artifact@v4 + with: + name: ${{ matrix.config.package_name }} + path: ${{ matrix.config.artifact-path }} + + - name: Release + if: ${{ contains(github.ref, 'tags') && matrix.config.release }} + uses: ncipollo/release-action@v1 + with: + name: ${{ github.ref_name }} + allowUpdates: true + artifacts: ${{ matrix.config.artifact-path }} From e1e9c5d4e024618c31317b3772f34d4118478235 Mon Sep 17 00:00:00 2001 From: Simon Judd Date: Mon, 20 Jan 2025 15:50:44 +1030 Subject: [PATCH 4/8] Update .readthedocs.yml Apparently the 'build' section is required now, builds have been failing for a while because it was missing --- .readthedocs.yml | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/.readthedocs.yml b/.readthedocs.yml index 7dee082ee..3e82b09b3 100644 --- a/.readthedocs.yml +++ b/.readthedocs.yml @@ -9,6 +9,12 @@ version: 2 #sphinx: # configuration: docs/conf.py +# Set the version of Python and other tools you might need +build: + os: ubuntu-22.04 + tools: + python: "3.12" + # Build documentation with MkDocs mkdocs: configuration: docs/mkdocs.yml @@ -19,6 +25,6 @@ mkdocs: # Optionally set the version of Python and requirements required to build your docs python: - version: 3.7 + version: 3.12 install: - requirements: docs/requirements.txt From f2eff2fc59c20fcf69649303b1c0475975b25115 Mon Sep 17 00:00:00 2001 From: Simon Judd Date: Mon, 20 Jan 2025 15:53:00 +1030 Subject: [PATCH 5/8] Update .readthedocs.yml Also need to remove the version from the python section apparently, I guess because it moved to the build section --- .readthedocs.yml | 1 - 1 file changed, 1 deletion(-) diff --git a/.readthedocs.yml b/.readthedocs.yml index 3e82b09b3..06a53a290 100644 --- a/.readthedocs.yml +++ b/.readthedocs.yml @@ -25,6 +25,5 @@ mkdocs: # Optionally set the version of Python and requirements required to build your docs python: - version: 3.12 install: - requirements: docs/requirements.txt From d6ffbe320b603ef33c2821e78cb208838aed10c1 Mon Sep 17 00:00:00 2001 From: Pedro Beirao <82064173+Pedro-Beirao@users.noreply.github.com> Date: Mon, 20 Jan 2025 10:05:46 +0000 Subject: [PATCH 6/8] Small CI fixes (#1773) * Dont delete release description when uploading artifacts * Add retry create dmg step on macOS CI --- .github/workflows/continuous_integration.yml | 13 ++++++++++++- 1 file changed, 12 insertions(+), 1 deletion(-) diff --git a/.github/workflows/continuous_integration.yml b/.github/workflows/continuous_integration.yml index 3eb728da9..2f88e4288 100644 --- a/.github/workflows/continuous_integration.yml +++ b/.github/workflows/continuous_integration.yml @@ -68,7 +68,17 @@ jobs: run: | cd build dylibbundler -od -b -x slade.app/Contents/MacOS/slade -d slade.app/Contents/MacOS/libs -p @executable_path/libs - create-dmg --app-drop-link 10 10 ./slade_${{ matrix.config.package_name }}_${{ github.ref_name }}.dmg ./slade.app + + for i in {1..10}; + do + if create-dmg --app-drop-link 10 10 ./slade_${{ matrix.config.package_name }}_${{ github.ref_name }}.dmg ./slade.app; + then + echo "slade_${{ matrix.config.package_name }}_${{ github.ref_name }}.dmg created" + break + else + echo "create-dmg failed $i" + fi + done - name: Upload Artifacts if: ${{ matrix.config.package_name }} @@ -83,4 +93,5 @@ jobs: with: name: ${{ github.ref_name }} allowUpdates: true + omitBodyDuringUpdate: true artifacts: ${{ matrix.config.artifact-path }} From c71f5841bdd7c9383d189e8a8001191aecdb792d Mon Sep 17 00:00:00 2001 From: Simon Judd Date: Thu, 30 Jan 2025 14:22:51 +1030 Subject: [PATCH 7/8] Fix //$ editor comment parsing for DECORATE and ZScript Hopefully the ZScript part is ok Fix #1774 --- src/Game/Decorate.cpp | 4 ++-- src/Game/ZScript.cpp | 10 +++++++++- src/Utility/Tokenizer.cpp | 28 ++++++++++++++++++++-------- src/Utility/Tokenizer.h | 26 ++++++++++++++------------ 4 files changed, 45 insertions(+), 23 deletions(-) diff --git a/src/Game/Decorate.cpp b/src/Game/Decorate.cpp index 4a4d49bfc..3c12d665d 100644 --- a/src/Game/Decorate.cpp +++ b/src/Game/Decorate.cpp @@ -283,8 +283,7 @@ void parseDecorateActor(Tokenizer& tz, std::map& types, vector& types, ve // Init tokenizer Tokenizer tz; tz.setSpecialCharacters(":,{}"); + tz.enableEditorComments(); tz.openMem(entry->data(), entry->name()); // --- Parse --- diff --git a/src/Game/ZScript.cpp b/src/Game/ZScript.cpp index 80232d7ea..5ed5b5976 100644 --- a/src/Game/ZScript.cpp +++ b/src/Game/ZScript.cpp @@ -208,6 +208,7 @@ void parseBlocks(ArchiveEntry* entry, vector& parsed, vector"); tz.setCommentTypes(Tokenizer::CommentTypes::CPPStyle | Tokenizer::CommentTypes::CStyle); + tz.enableEditorComments(); tz.openMem(entry->data(), "ZScript"); entry_stack.push_back(entry); @@ -869,9 +870,16 @@ bool Class::parseClassBlock(vector& block) else if (strutil::equalCI(first_token, "states")) states_.parse(statement); - // DB property comment + // DB property comment(s) else if (strutil::startsWith(first_token, editor_comment_prefix)) + { db_properties_.emplace_back(Tokenizer::parseEditorComment(first_token)); + for (auto i = 1; i < statement.tokens.size(); ++i) + { + if (strutil::startsWith(statement.tokens[i], editor_comment_prefix)) + db_properties_.emplace_back(Tokenizer::parseEditorComment(statement.tokens[i])); + } + } // Function else if (Function::isFunction(statement)) diff --git a/src/Utility/Tokenizer.cpp b/src/Utility/Tokenizer.cpp index fc48cbff6..9cd19023e 100644 --- a/src/Utility/Tokenizer.cpp +++ b/src/Utility/Tokenizer.cpp @@ -82,7 +82,7 @@ bool isWhitespace(char p) std::pair Tokenizer::parseEditorComment(string_view token) { // Find the first space - size_t spos = token.find(" \t"); + size_t spos = token.find_first_of(" \t"); if (spos == string_view::npos) { string key(token.substr(3)); @@ -721,7 +721,7 @@ void Tokenizer::reset() // Checks if a comment begins at the current position and returns the comment // type if one does (0 otherwise) // ----------------------------------------------------------------------------- -unsigned Tokenizer::checkCommentBegin() +unsigned Tokenizer::checkCommentBegin() const { // C-Style comment (/*) if (comment_types_ & CStyle && state_.position + 1 < state_.size && data_[state_.position] == '/' @@ -838,13 +838,12 @@ void Tokenizer::tokenizeToken() } // Check for end of token - if (isWhitespace(data_[state_.position]) || // Whitespace - isSpecialCharacter(data_[state_.position]) || // Special character - checkCommentBegin() > 0) // Comment + if (isEndOfToken()) { // End token - state_.state = TokenizeState::State::Unknown; - state_.done = true; + state_.state = TokenizeState::State::Unknown; + state_.done = true; + state_.to_eol = false; return; } @@ -859,7 +858,7 @@ void Tokenizer::tokenizeToken() void Tokenizer::tokenizeComment() { // Check for decorate //$ - if (decorate_ && state_.comment_type == CPPStyle) + if (editor_comments_ && state_.comment_type == CPPStyle) { if (data_[state_.position] == '$' && data_[state_.position - 1] == '/' && data_[state_.position - 2] == '/') { @@ -868,6 +867,7 @@ void Tokenizer::tokenizeComment() state_.current_token.quoted_string = false; state_.current_token.pos_start = state_.position - 2; state_.state = TokenizeState::State::Token; + state_.to_eol = true; return; } } @@ -991,6 +991,18 @@ void Tokenizer::resetToLineStart() } } +bool Tokenizer::isEndOfToken() const +{ + // Token is to end of line, only ends on newline + if (state_.to_eol) + return data_[state_.position] == '\n'; + + // Regular token + return isWhitespace(data_[state_.position]) || // Whitespace + isSpecialCharacter(data_[state_.position]) || // Special character + checkCommentBegin() > 0; // Comment +} + // Testing diff --git a/src/Utility/Tokenizer.h b/src/Utility/Tokenizer.h index 4ac37e09e..6fb557909 100644 --- a/src/Utility/Tokenizer.h +++ b/src/Utility/Tokenizer.h @@ -67,7 +67,8 @@ class Tokenizer unsigned current_line = 1; unsigned comment_type = 0; Token current_token; - bool done = false; + bool done = false; + bool to_eol = false; }; static std::pair parseEditorComment(string_view token); @@ -77,7 +78,7 @@ class Tokenizer // Accessors const string& source() const { return source_; } - bool decorate() const { return decorate_; } + bool decorate() const { return editor_comments_; } bool readLowerCase() const { return read_lowercase_; } const Token& current() const { return token_current_; } const Token& peek() const; @@ -90,8 +91,8 @@ class Tokenizer } void setSource(const wxString& source) { source_ = source; } void setReadLowerCase(bool lower) { read_lowercase_ = lower; } - void enableDecorate(bool enable) { decorate_ = enable; } - void enableDebug(bool enable) { debug_ = enable; } + void enableEditorComments(bool enable = true) { editor_comments_ = enable; } + void enableDebug(bool enable = true) { debug_ = enable; } // Token Iterating const Token& next(); @@ -212,19 +213,19 @@ class Tokenizer TokenizeState state_ = {}; // Configuration - int comment_types_; // Types of comments to skip - vector special_characters_; // These will always be read as separate tokens - string source_; // What file/entry/chunk is being tokenized - bool decorate_ = false; // Special handling for //$ comments - bool read_lowercase_ = false; // If true, tokens will all be read in lowercase - // (except for quoted strings, obviously) - bool debug_ = false; // Log each token read + int comment_types_; // Types of comments to skip + vector special_characters_; // These will always be read as separate tokens + string source_; // What file/entry/chunk is being tokenized + bool editor_comments_ = false; // Special handling for //$ comments + bool read_lowercase_ = false; // If true, tokens will all be read in lowercase + // (except for quoted strings, obviously) + bool debug_ = false; // Log each token read // Static static Token invalid_token_; // Tokenizing - unsigned checkCommentBegin(); + unsigned checkCommentBegin() const; void tokenizeUnknown(); void tokenizeToken(); void tokenizeComment(); @@ -232,5 +233,6 @@ class Tokenizer bool readNext(Token* target); bool readNext() { return readNext(&token_next_); } void resetToLineStart(); + bool isEndOfToken() const; }; } // namespace slade From 041673e1fa49933670eb523b9e4261c9b3a40515 Mon Sep 17 00:00:00 2001 From: unawarez <114197348+unawarez@users.noreply.github.com> Date: Fri, 31 Jan 2025 00:58:00 -0600 Subject: [PATCH 8/8] Update bundled fmt to 11.1.3 to fix macOS compile errors (#1776) Before the build would fail with a bunch of errors like this: /Users/me/doom/slade/thirdparty/fmt/src/os.cc:379:6: error: use of undeclared identifier 'file_buffer' --- thirdparty/fmt/.clang-format | 6 + thirdparty/fmt/CMakeLists.txt | 38 +- thirdparty/fmt/ChangeLog.md | 296 ++ thirdparty/fmt/README.md | 1 + thirdparty/fmt/doc/api.md | 69 +- thirdparty/fmt/doc/get-started.md | 2 +- thirdparty/fmt/doc/index.md | 4 +- thirdparty/fmt/doc/syntax.md | 9 +- thirdparty/fmt/include/fmt/args.h | 48 +- thirdparty/fmt/include/fmt/base.h | 3652 ++++++++--------- thirdparty/fmt/include/fmt/chrono.h | 846 ++-- thirdparty/fmt/include/fmt/color.h | 42 +- thirdparty/fmt/include/fmt/compile.h | 70 +- thirdparty/fmt/include/fmt/format-inl.h | 109 +- thirdparty/fmt/include/fmt/format.h | 2375 +++++------ thirdparty/fmt/include/fmt/os.h | 98 +- thirdparty/fmt/include/fmt/ostream.h | 131 +- thirdparty/fmt/include/fmt/printf.h | 237 +- thirdparty/fmt/include/fmt/ranges.h | 228 +- thirdparty/fmt/include/fmt/std.h | 121 +- thirdparty/fmt/include/fmt/xchar.h | 143 +- thirdparty/fmt/src/fmt.cc | 20 +- thirdparty/fmt/src/format.cc | 5 +- thirdparty/fmt/src/os.cc | 17 +- thirdparty/fmt/support/check-commits | 0 thirdparty/fmt/support/mkdocs | 38 +- .../mkdocstrings_handlers/cxx/__init__.py | 601 +-- .../fmt/support/{manage.py => release.py} | 92 +- 28 files changed, 4634 insertions(+), 4664 deletions(-) mode change 100644 => 100755 thirdparty/fmt/support/check-commits mode change 100644 => 100755 thirdparty/fmt/support/mkdocs rename thirdparty/fmt/support/{manage.py => release.py} (69%) diff --git a/thirdparty/fmt/.clang-format b/thirdparty/fmt/.clang-format index df55d340f..31f8c343e 100644 --- a/thirdparty/fmt/.clang-format +++ b/thirdparty/fmt/.clang-format @@ -6,3 +6,9 @@ IndentPPDirectives: AfterHash IndentCaseLabels: false AlwaysBreakTemplateDeclarations: false DerivePointerAlignment: false +AllowShortCaseLabelsOnASingleLine: true +AlignConsecutiveShortCaseStatements: + Enabled: true + AcrossEmptyLines: true + AcrossComments: true + AlignCaseColons: false \ No newline at end of file diff --git a/thirdparty/fmt/CMakeLists.txt b/thirdparty/fmt/CMakeLists.txt index e3b35110f..8df6670d2 100644 --- a/thirdparty/fmt/CMakeLists.txt +++ b/thirdparty/fmt/CMakeLists.txt @@ -69,8 +69,6 @@ function(add_module_library name) target_compile_options(${name} PUBLIC -fmodules-ts) endif () - target_compile_definitions(${name} PRIVATE FMT_MODULE) - if (FMT_USE_CMAKE_MODULES) target_sources(${name} PUBLIC FILE_SET fmt TYPE CXX_MODULES FILES ${sources}) @@ -240,7 +238,13 @@ if (CMAKE_CXX_COMPILER_ID MATCHES "GNU") endif () if (NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 6.0) set(PEDANTIC_COMPILE_FLAGS ${PEDANTIC_COMPILE_FLAGS} -Wshift-overflow=2 - -Wnull-dereference -Wduplicated-cond) + -Wduplicated-cond) + # Workaround for GCC regression + # [12/13/14/15 regression] New (since gcc 12) false positive null-dereference in vector.resize + # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108860 + if (CMAKE_CXX_COMPILER_VERSION VERSION_LESS 12.0) + set(PEDANTIC_COMPILE_FLAGS ${PEDANTIC_COMPILE_FLAGS} -Wnull-dereference) + endif () endif () set(WERROR_FLAG -Werror) endif () @@ -289,6 +293,7 @@ function(add_headers VAR) endfunction() # Define the fmt library, its includes and the needed defines. +set(FMT_HEADERS) add_headers(FMT_HEADERS args.h base.h chrono.h color.h compile.h core.h format.h format-inl.h os.h ostream.h printf.h ranges.h std.h xchar.h) @@ -319,7 +324,7 @@ else () message(WARNING "Feature cxx_std_11 is unknown for the CXX compiler") endif () -target_include_directories(fmt ${FMT_SYSTEM_HEADERS_ATTRIBUTE} PUBLIC +target_include_directories(fmt ${FMT_SYSTEM_HEADERS_ATTRIBUTE} BEFORE PUBLIC $ $) @@ -359,8 +364,8 @@ if (NOT MSVC) # Unicode is always supported on compilers other than MSVC. elseif (FMT_UNICODE) # Unicode support requires compiling with /utf-8. - target_compile_options(fmt PUBLIC $<$:/utf-8>) - target_compile_options(fmt-header-only INTERFACE $<$:/utf-8>) + target_compile_options(fmt PUBLIC $<$,$>:/utf-8>) + target_compile_options(fmt-header-only INTERFACE $<$,$>:/utf-8>) else () target_compile_definitions(fmt PUBLIC FMT_UNICODE=0) endif () @@ -369,7 +374,7 @@ target_compile_definitions(fmt-header-only INTERFACE FMT_HEADER_ONLY=1) target_compile_features(fmt-header-only INTERFACE cxx_std_11) target_include_directories(fmt-header-only - ${FMT_SYSTEM_HEADERS_ATTRIBUTE} INTERFACE + ${FMT_SYSTEM_HEADERS_ATTRIBUTE} BEFORE INTERFACE $ $) @@ -420,7 +425,9 @@ if (FMT_INSTALL) endif() # Install the library and headers. - install(TARGETS ${INSTALL_TARGETS} EXPORT ${targets_export_name} + install(TARGETS ${INSTALL_TARGETS} + COMPONENT fmt-core + EXPORT ${targets_export_name} LIBRARY DESTINATION ${FMT_LIB_DIR} ARCHIVE DESTINATION ${FMT_LIB_DIR} PUBLIC_HEADER DESTINATION "${FMT_INC_DIR}/fmt" @@ -433,13 +440,15 @@ if (FMT_INSTALL) FILE ${PROJECT_BINARY_DIR}/${targets_export_name}.cmake) # Install version, config and target files. - install( - FILES ${project_config} ${version_config} - DESTINATION ${FMT_CMAKE_DIR}) + install(FILES ${project_config} ${version_config} + DESTINATION ${FMT_CMAKE_DIR} + COMPONENT fmt-core) install(EXPORT ${targets_export_name} DESTINATION ${FMT_CMAKE_DIR} - NAMESPACE fmt::) + NAMESPACE fmt:: + COMPONENT fmt-core) - install(FILES "${pkgconfig}" DESTINATION "${FMT_PKGCONFIG_DIR}") + install(FILES "${pkgconfig}" DESTINATION "${FMT_PKGCONFIG_DIR}" + COMPONENT fmt-core) endif () function(add_doc_target) @@ -475,7 +484,8 @@ function(add_doc_target) include(GNUInstallDirs) install(DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/doc-html/ - DESTINATION ${CMAKE_INSTALL_DATAROOTDIR}/doc/fmt OPTIONAL) + DESTINATION ${CMAKE_INSTALL_DATAROOTDIR}/doc/fmt + COMPONENT fmt-doc OPTIONAL) endfunction() if (FMT_DOC) diff --git a/thirdparty/fmt/ChangeLog.md b/thirdparty/fmt/ChangeLog.md index 6ba567d1d..2784c67b7 100644 --- a/thirdparty/fmt/ChangeLog.md +++ b/thirdparty/fmt/ChangeLog.md @@ -1,3 +1,296 @@ +# 11.1.3 - 2025-01-25 + +- Fixed compilation on GCC 9.4 (https://github.com/fmtlib/fmt/issues/4313). + +- Worked around an internal compiler error when using C++20 modules with GCC + 14.2 and earlier (https://github.com/fmtlib/fmt/issues/4295). + +- Worked around a bug in GCC 6 (https://github.com/fmtlib/fmt/issues/4318). + +- Fixed an issue caused by instantiating `formatter` + (https://github.com/fmtlib/fmt/issues/4303, + https://github.com/fmtlib/fmt/pull/4325). Thanks @timsong-cpp. + +- Fixed formatting into `std::ostreambuf_iterator` when using format string + compilation (https://github.com/fmtlib/fmt/issues/4309, + https://github.com/fmtlib/fmt/pull/4312). Thanks @phprus. + +- Restored a constraint on the map formatter so that it correctly reports as + unformattable when the element is (https://github.com/fmtlib/fmt/pull/4326). + Thanks @timsong-cpp. + +- Reduced the size of format specs (https://github.com/fmtlib/fmt/issues/4298). + +- Readded `args()` to `fmt::format_context` + (https://github.com/fmtlib/fmt/issues/4307, + https://github.com/fmtlib/fmt/pull/4310). Thanks @Erroneous1. + +- Fixed a bogus MSVC warning (https://github.com/fmtlib/fmt/issues/4314, + https://github.com/fmtlib/fmt/pull/4322). Thanks @ZehMatt. + +- Fixed a pedantic mode error in the CMake config + (https://github.com/fmtlib/fmt/pull/4327). Thanks @rlalik. + +# 11.1.2 - 2025-01-12 + +- Fixed ABI compatibility with earlier 11.x versions + (https://github.com/fmtlib/fmt/issues/4292). + +- Added `wchar_t` support to the `std::bitset` formatter + (https://github.com/fmtlib/fmt/issues/4285, + https://github.com/fmtlib/fmt/pull/4286, + https://github.com/fmtlib/fmt/issues/4289, + https://github.com/fmtlib/fmt/pull/4290). Thanks @phprus. + +- Prefixed CMake components with `fmt-` to simplify usage of {fmt} via + `add_subdirectory` (https://github.com/fmtlib/fmt/issues/4283). + +- Updated docs for meson (https://github.com/fmtlib/fmt/pull/4291). + Thanks @trim21. + +- Fixed a compilation error in chrono on nvcc + (https://github.com/fmtlib/fmt/issues/4297, + https://github.com/fmtlib/fmt/pull/4301). Thanks @breyerml. + +- Fixed various warnings + (https://github.com/fmtlib/fmt/pull/4288, + https://github.com/fmtlib/fmt/pull/4299). Thanks @GamesTrap and @edo9300. + +# 11.1.1 - 2024-12-27 + +- Fixed ABI compatibility with earlier 11.x versions + (https://github.com/fmtlib/fmt/issues/4278). + +- Defined CMake components (`core` and `doc`) to allow docs to be installed + separately (https://github.com/fmtlib/fmt/pull/4276). + Thanks @carlsmedstad. + +# 11.1.0 - 2024-12-25 + +- Improved C++20 module support + (https://github.com/fmtlib/fmt/issues/4081, + https://github.com/fmtlib/fmt/pull/4083, + https://github.com/fmtlib/fmt/pull/4084, + https://github.com/fmtlib/fmt/pull/4152, + https://github.com/fmtlib/fmt/issues/4153, + https://github.com/fmtlib/fmt/pull/4169, + https://github.com/fmtlib/fmt/issues/4190, + https://github.com/fmtlib/fmt/issues/4234, + https://github.com/fmtlib/fmt/pull/4239). + Thanks @kamrann and @Arghnews. + +- Reduced debug (unoptimized) binary code size and the number of template + instantiations when passing formatting arguments. For example, unoptimized + binary code size for `fmt::print("{}", 42)` was reduced by ~40% on GCC and + ~60% on clang (x86-64). + + GCC: + - Before: 161 instructions of which 105 are in reusable functions + ([godbolt](https://www.godbolt.org/z/s9bGoo4ze)). + - After: 116 instructions of which 60 are in reusable functions + ([godbolt](https://www.godbolt.org/z/r7GGGxMs6)). + + Clang: + - Before: 310 instructions of which 251 are in reusable functions + ([godbolt](https://www.godbolt.org/z/Ts88b7M9o)). + - After: 194 instructions of which 135 are in reusable functions + ([godbolt](https://www.godbolt.org/z/vcrjP8ceW)). + +- Added an experimental `fmt::writer` API that can be used for writing to + different destinations such as files or strings + (https://github.com/fmtlib/fmt/issues/2354). + For example ([godbolt](https://www.godbolt.org/z/rWoKfbP7e)): + + ```c++ + #include + + void write_text(fmt::writer w) { + w.print("The answer is {}.", 42); + } + + int main() { + // Write to FILE. + write_text(stdout); + + // Write to fmt::ostream. + auto f = fmt::output_file("myfile"); + write_text(f); + + // Write to std::string. + auto sb = fmt::string_buffer(); + write_text(sb); + std::string s = sb.str(); + } + ``` + +- Added width and alignment support to the formatter of `std::error_code`. + +- Made `std::expected` formattable + (https://github.com/fmtlib/fmt/issues/4145, + https://github.com/fmtlib/fmt/pull/4148). + For example ([godbolt](https://www.godbolt.org/z/hrj5c6G86)): + + ```c++ + fmt::print("{}", std::expected()); + ``` + + prints + + ``` + expected() + ``` + + Thanks @phprus. + +- Made `fmt::is_formattable` SFINAE-friendly + (https://github.com/fmtlib/fmt/issues/4147). + +- Added support for `_BitInt` formatting when using clang + (https://github.com/fmtlib/fmt/issues/4007, + https://github.com/fmtlib/fmt/pull/4072, + https://github.com/fmtlib/fmt/issues/4140, + https://github.com/fmtlib/fmt/issues/4173, + https://github.com/fmtlib/fmt/pull/4176). + For example ([godbolt](https://www.godbolt.org/z/KWjbWec5z)): + + ```c++ + using int42 = _BitInt(42); + fmt::print("{}", int42(100)); + ``` + + Thanks @Arghnews. + +- Added the `n` specifier for tuples and pairs + (https://github.com/fmtlib/fmt/pull/4107). Thanks @someonewithpc. + +- Added support for tuple-like types to `fmt::join` + (https://github.com/fmtlib/fmt/issues/4226, + https://github.com/fmtlib/fmt/pull/4230). Thanks @phprus. + +- Made more types formattable at compile time + (https://github.com/fmtlib/fmt/pull/4127). Thanks @AnthonyVH. + +- Implemented a more efficient compile-time `fmt::formatted_size` + (https://github.com/fmtlib/fmt/issues/4102, + https://github.com/fmtlib/fmt/pull/4103). Thanks @phprus. + +- Fixed compile-time formatting of some string types + (https://github.com/fmtlib/fmt/pull/4065). Thanks @torshepherd. + +- Made compiled version of `fmt::format_to` work with + `std::back_insert_iterator>` + (https://github.com/fmtlib/fmt/issues/4206, + https://github.com/fmtlib/fmt/pull/4211). Thanks @phprus. + +- Added a formatter for `std::reference_wrapper` + (https://github.com/fmtlib/fmt/pull/4163, + https://github.com/fmtlib/fmt/pull/4164). Thanks @yfeldblum and @phprus. + +- Added experimental padding support (glibc `strftime` extension) to `%m`, `%j` + and `%Y` (https://github.com/fmtlib/fmt/pull/4161). Thanks @KKhanhH. + +- Made microseconds formatted as `us` instead of `µs` if the Unicode support is + disabled (https://github.com/fmtlib/fmt/issues/4088). + +- Fixed an unreleased regression in transcoding of surrogate pairs + (https://github.com/fmtlib/fmt/issues/4094, + https://github.com/fmtlib/fmt/pull/4095). Thanks @phprus. + +- Made `fmt::appender` satisfy `std::output_iterator` concept + (https://github.com/fmtlib/fmt/issues/4092, + https://github.com/fmtlib/fmt/pull/4093). Thanks @phprus. + +- Made `std::iterator_traits` standard-conforming + (https://github.com/fmtlib/fmt/pull/4185). Thanks @CaseyCarter. + +- Made it easier to reuse `fmt::formatter` for types with + an implicit conversion to `std::string_view` + (https://github.com/fmtlib/fmt/issues/4036, + https://github.com/fmtlib/fmt/pull/4055). Thanks @Arghnews. + +- Made it possible to disable `` use via `FMT_CPP_LIB_FILESYSTEM` + for compatibility with some video game console SDKs, e.g. Nintendo Switch SDK + (https://github.com/fmtlib/fmt/issues/4257, + https://github.com/fmtlib/fmt/pull/4258, + https://github.com/fmtlib/fmt/pull/4259). Thanks @W4RH4WK and @phprus. + +- Fixed compatibility with platforms that use 80-bit `long double` + (https://github.com/fmtlib/fmt/issues/4245, + https://github.com/fmtlib/fmt/pull/4246). Thanks @jsirpoma. + +- Added support for UTF-32 code units greater than `0xFFFF` in fill + (https://github.com/fmtlib/fmt/issues/4201). + +- Fixed handling of legacy encodings on Windows with GCC + (https://github.com/fmtlib/fmt/issues/4162). + +- Made `fmt::to_string` take `fmt::basic_memory_buffer` by const reference + (https://github.com/fmtlib/fmt/issues/4261, + https://github.com/fmtlib/fmt/pull/4262). Thanks @sascha-devel. + +- Added `fmt::dynamic_format_arg_store::size` + (https://github.com/fmtlib/fmt/pull/4270). Thanks @hannes-harnisch. + +- Removed the ability to control locale usage via an undocumented + `FMT_STATIC_THOUSANDS_SEPARATOR` in favor of `FMT_USE_LOCALE`. + +- Renamed `FMT_EXCEPTIONS` to `FMT_USE_EXCEPTIONS` for consistency with other + similar macros. + +- Improved include directory ordering to reduce the chance of including + incorrect headers when using multiple versions of {fmt} + (https://github.com/fmtlib/fmt/pull/4116). Thanks @cdzhan. + +- Made it possible to compile a subset of {fmt} without the C++ runtime. + +- Improved documentation and README + (https://github.com/fmtlib/fmt/pull/4066, + https://github.com/fmtlib/fmt/issues/4117, + https://github.com/fmtlib/fmt/issues/4203, + https://github.com/fmtlib/fmt/pull/4235). Thanks @zyctree and @nikola-sh. + +- Improved the documentation generator (https://github.com/fmtlib/fmt/pull/4110, + https://github.com/fmtlib/fmt/pull/4115). Thanks @rturrado. + +- Improved CI (https://github.com/fmtlib/fmt/pull/4155, + https://github.com/fmtlib/fmt/pull/4151). Thanks @phprus. + +- Fixed various warnings and compilation issues + (https://github.com/fmtlib/fmt/issues/2708, + https://github.com/fmtlib/fmt/issues/4091, + https://github.com/fmtlib/fmt/issues/4109, + https://github.com/fmtlib/fmt/issues/4113, + https://github.com/fmtlib/fmt/issues/4125, + https://github.com/fmtlib/fmt/issues/4129, + https://github.com/fmtlib/fmt/pull/4130, + https://github.com/fmtlib/fmt/pull/4131, + https://github.com/fmtlib/fmt/pull/4132, + https://github.com/fmtlib/fmt/issues/4133, + https://github.com/fmtlib/fmt/issues/4144, + https://github.com/fmtlib/fmt/issues/4150, + https://github.com/fmtlib/fmt/issues/4158, + https://github.com/fmtlib/fmt/pull/4159, + https://github.com/fmtlib/fmt/issues/4160, + https://github.com/fmtlib/fmt/pull/4170, + https://github.com/fmtlib/fmt/issues/4177, + https://github.com/fmtlib/fmt/pull/4187, + https://github.com/fmtlib/fmt/pull/4188, + https://github.com/fmtlib/fmt/pull/4194, + https://github.com/fmtlib/fmt/pull/4200, + https://github.com/fmtlib/fmt/issues/4205, + https://github.com/fmtlib/fmt/issues/4207, + https://github.com/fmtlib/fmt/pull/4208, + https://github.com/fmtlib/fmt/pull/4210, + https://github.com/fmtlib/fmt/issues/4220, + https://github.com/fmtlib/fmt/issues/4231, + https://github.com/fmtlib/fmt/issues/4232, + https://github.com/fmtlib/fmt/pull/4233, + https://github.com/fmtlib/fmt/pull/4236, + https://github.com/fmtlib/fmt/pull/4267, + https://github.com/fmtlib/fmt/pull/4271). + Thanks @torsten48, @Arghnews, @tinfoilboy, @aminya, @Ottani, @zeroomega, + @c4v4, @kongy, @vinayyadav3016, @sergio-nsk, @phprus and @YexuanXiao. + # 11.0.2 - 2024-07-20 - Fixed compatibility with non-POSIX systems @@ -268,6 +561,9 @@ - Fixed handling of negative ids in `fmt::basic_format_args::get` (https://github.com/fmtlib/fmt/pull/3945). Thanks @marlenecota. +- Fixed handling of a buffer boundary on flush + (https://github.com/fmtlib/fmt/issues/4229). + - Improved named argument validation (https://github.com/fmtlib/fmt/issues/3817). diff --git a/thirdparty/fmt/README.md b/thirdparty/fmt/README.md index 5f9249d4b..fd845db20 100644 --- a/thirdparty/fmt/README.md +++ b/thirdparty/fmt/README.md @@ -291,6 +291,7 @@ converts to `std::print`.) - [ccache](https://ccache.dev/): a compiler cache - [ClickHouse](https://github.com/ClickHouse/ClickHouse): an analytical database management system +- [ContextVision](https://www.contextvision.com/): medical imaging software - [Contour](https://github.com/contour-terminal/contour/): a modern terminal emulator - [CUAUV](https://cuauv.org/): Cornell University\'s autonomous diff --git a/thirdparty/fmt/doc/api.md b/thirdparty/fmt/doc/api.md index bf0df7315..80296ea4e 100644 --- a/thirdparty/fmt/doc/api.md +++ b/thirdparty/fmt/doc/api.md @@ -269,18 +269,16 @@ that support C++20 `consteval`. On older compilers you can use the Unused arguments are allowed as in Python's `str.format` and ordinary functions. -::: basic_format_string +See [Type Erasure](#type-erasure) for an example of how to enable compile-time +checks in your own functions with `fmt::format_string` while avoiding template +bloat. + +::: fstring ::: format_string ::: runtime(string_view) -### Named Arguments - -::: arg(const Char*, const T&) - -Named arguments are not supported in compile-time checks at the moment. - ### Type Erasure You can create your own formatting function with compile-time checks and @@ -317,6 +315,12 @@ parameterized version. ::: basic_format_arg +### Named Arguments + +::: arg(const Char*, const T&) + +Named arguments are not supported in compile-time checks at the moment. + ### Compatibility ::: basic_string_view @@ -375,18 +379,17 @@ allocator: using custom_string = std::basic_string, custom_allocator>; - custom_string vformat(custom_allocator alloc, fmt::string_view format_str, - fmt::format_args args) { + auto vformat(custom_allocator alloc, fmt::string_view fmt, + fmt::format_args args) -> custom_string { auto buf = custom_memory_buffer(alloc); - fmt::vformat_to(std::back_inserter(buf), format_str, args); + fmt::vformat_to(std::back_inserter(buf), fmt, args); return custom_string(buf.data(), buf.size(), alloc); } template - inline custom_string format(custom_allocator alloc, - fmt::string_view format_str, - const Args& ... args) { - return vformat(alloc, format_str, fmt::make_format_args(args...)); + auto format(custom_allocator alloc, fmt::string_view fmt, + const Args& ... args) -> custom_string { + return vformat(alloc, fmt, fmt::make_format_args(args...)); } The allocator will be used for the output container only. Formatting @@ -498,10 +501,13 @@ chrono-format-specifications). - [`std::atomic_flag`](https://en.cppreference.com/w/cpp/atomic/atomic_flag) - [`std::bitset`](https://en.cppreference.com/w/cpp/utility/bitset) - [`std::error_code`](https://en.cppreference.com/w/cpp/error/error_code) +- [`std::exception`](https://en.cppreference.com/w/cpp/error/exception) - [`std::filesystem::path`](https://en.cppreference.com/w/cpp/filesystem/path) -- [`std::monostate`](https://en.cppreference.com/w/cpp/utility/variant/monostate) +- [`std::monostate`]( + https://en.cppreference.com/w/cpp/utility/variant/monostate) - [`std::optional`](https://en.cppreference.com/w/cpp/utility/optional) -- [`std::source_location`](https://en.cppreference.com/w/cpp/utility/source_location) +- [`std::source_location`]( + https://en.cppreference.com/w/cpp/utility/source_location) - [`std::thread::id`](https://en.cppreference.com/w/cpp/thread/thread/id) - [`std::variant`](https://en.cppreference.com/w/cpp/utility/variant/variant) @@ -509,7 +515,7 @@ chrono-format-specifications). ::: ptr(const std::shared_ptr&) -### Formatting Variants +### Variants A `std::variant` is only formattable if every variant alternative is formattable, and requires the `__cpp_lib_variant` [library @@ -525,15 +531,32 @@ feature](https://en.cppreference.com/w/cpp/feature_test). fmt::print("{}", std::variant()); // Output: variant(monostate) +## Bit-Fields and Packed Structs + +To format a bit-field or a field of a struct with `__attribute__((packed))` +applied to it, you need to convert it to the underlying or compatible type via +a cast or a unary `+` ([godbolt](https://www.godbolt.org/z/3qKKs6T5Y)): + +```c++ +struct smol { + int bit : 1; +}; + +auto s = smol(); +fmt::print("{}", +s.bit); +``` + +This is a known limitation of "perfect" forwarding in C++. + ## Format String Compilation -`fmt/compile.h` provides format string compilation enabled via the -`FMT_COMPILE` macro or the `_cf` user-defined literal defined in -namespace `fmt::literals`. Format strings marked with `FMT_COMPILE` -or `_cf` are parsed, checked and converted into efficient formatting -code at compile-time. This supports arguments of built-in and string -types as well as user-defined types with `format` functions taking +`fmt/compile.h` provides format string compilation and compile-time +(`constexpr`) formatting enabled via the `FMT_COMPILE` macro or the `_cf` +user-defined literal defined in namespace `fmt::literals`. Format strings +marked with `FMT_COMPILE` or `_cf` are parsed, checked and converted into +efficient formatting code at compile-time. This supports arguments of built-in +and string types as well as user-defined types with `format` functions taking the format context type as a template parameter in their `formatter` specializations. For example: diff --git a/thirdparty/fmt/doc/get-started.md b/thirdparty/fmt/doc/get-started.md index e61da8829..466d1c1b2 100644 --- a/thirdparty/fmt/doc/get-started.md +++ b/thirdparty/fmt/doc/get-started.md @@ -202,7 +202,7 @@ For a static build, use the following subproject definition: For the header-only version, use: - fmt = subproject('fmt') + fmt = subproject('fmt', default_options: ['header-only=true']) fmt_dep = fmt.get_variable('fmt_header_only_dep') ### Android NDK diff --git a/thirdparty/fmt/doc/index.md b/thirdparty/fmt/doc/index.md index 457857c4f..4f28e114f 100644 --- a/thirdparty/fmt/doc/index.md +++ b/thirdparty/fmt/doc/index.md @@ -122,8 +122,8 @@ hide:

The library is highly portable and requires only a minimal subset of - C++11 features which are available in GCC 4.8, Clang 3.4, MSVC 19.0 - (2015) and later. Newer compiler and standard library features are used + C++11 features which are available in GCC 4.9, Clang 3.4, MSVC 19.10 + (2017) and later. Newer compiler and standard library features are used if available, and enable additional functionality.

diff --git a/thirdparty/fmt/doc/syntax.md b/thirdparty/fmt/doc/syntax.md index 87fa53f84..46d7d2fd2 100644 --- a/thirdparty/fmt/doc/syntax.md +++ b/thirdparty/fmt/doc/syntax.md @@ -589,8 +589,7 @@ The available presentation types (*chrono_type*) are: represented with seconds, then the format is a decimal floating-point number with a fixed format and a precision matching that of the precision of the input (or to a microseconds precision if the conversion to floating-point - decimal seconds cannot be made within 18 fractional digits). The character - for the decimal point is localized according to the locale. The modified + decimal seconds cannot be made within 18 fractional digits). The modified command %OS produces the locale's alternative representation. @@ -707,12 +706,12 @@ The available padding modifiers (*padding_modifier*) are: | Type | Meaning | |-------|-----------------------------------------| -| `'-'` | Pad a numeric result with spaces. | -| `'_'` | Do not pad a numeric result string. | +| `'_'` | Pad a numeric result with spaces. | +| `'-'` | Do not pad a numeric result string. | | `'0'` | Pad a numeric result string with zeros. | These modifiers are only supported for the `'H'`, `'I'`, `'M'`, `'S'`, `'U'`, -`'V'` and `'W'` presentation types. +`'V'`, `'W'`, `'Y'`, `'d'`, `'j'` and `'m'` presentation types. ## Range Format Specifications diff --git a/thirdparty/fmt/include/fmt/args.h b/thirdparty/fmt/include/fmt/args.h index 31a60e8fa..3ff478807 100644 --- a/thirdparty/fmt/include/fmt/args.h +++ b/thirdparty/fmt/include/fmt/args.h @@ -17,7 +17,6 @@ #include "format.h" // std_string_view FMT_BEGIN_NAMESPACE - namespace detail { template struct is_reference_wrapper : std::false_type {}; @@ -72,19 +71,13 @@ class dynamic_arg_list { * It can be implicitly converted into `fmt::basic_format_args` for passing * into type-erased formatting functions such as `fmt::vformat`. */ -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 -{ +template class dynamic_format_arg_store { private: using char_type = typename Context::char_type; template struct need_copy { static constexpr detail::type mapped_type = - detail::mapped_type_constant::value; + detail::mapped_type_constant::value; enum { value = !(detail::is_reference_wrapper::value || @@ -97,7 +90,7 @@ class dynamic_format_arg_store }; template - using stored_type = conditional_t< + using stored_t = conditional_t< std::is_convertible>::value && !detail::is_reference_wrapper::value, std::basic_string, T>; @@ -112,41 +105,37 @@ class dynamic_format_arg_store friend class basic_format_args; - auto get_types() const -> unsigned long long { - return detail::is_unpacked_bit | data_.size() | - (named_info_.empty() - ? 0ULL - : static_cast(detail::has_named_args_bit)); - } - auto data() const -> const basic_format_arg* { return named_info_.empty() ? data_.data() : data_.data() + 1; } template void emplace_arg(const T& arg) { - data_.emplace_back(detail::make_arg(arg)); + data_.emplace_back(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))); + if (named_info_.empty()) + data_.insert(data_.begin(), basic_format_arg(nullptr, 0)); + data_.emplace_back(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()}; + data_[0] = {named_info_.data(), named_info_.size()}; guard.release(); } public: constexpr dynamic_format_arg_store() = default; + operator basic_format_args() const { + return basic_format_args(data(), static_cast(data_.size()), + !named_info_.empty()); + } + /** * Adds an argument into the dynamic store for later passing to a formatting * function. @@ -164,7 +153,7 @@ class dynamic_format_arg_store */ template void push_back(const T& arg) { if (detail::const_check(need_copy::value)) - emplace_arg(dynamic_args_.push>(arg)); + emplace_arg(dynamic_args_.push>(arg)); else emplace_arg(detail::unwrap(arg)); } @@ -200,7 +189,7 @@ class dynamic_format_arg_store 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))); + fmt::arg(arg_name, dynamic_args_.push>(arg.value))); } else { emplace_arg(fmt::arg(arg_name, arg.value)); } @@ -210,17 +199,20 @@ class dynamic_format_arg_store void clear() { data_.clear(); named_info_.clear(); - dynamic_args_ = detail::dynamic_arg_list(); + dynamic_args_ = {}; } /// Reserves space to store at least `new_cap` arguments including /// `new_cap_named` named arguments. 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"); + "set of arguments includes set of named arguments"); data_.reserve(new_cap); named_info_.reserve(new_cap_named); } + + /// Returns the number of elements in the store. + size_t size() const noexcept { return data_.size(); } }; FMT_END_NAMESPACE diff --git a/thirdparty/fmt/include/fmt/base.h b/thirdparty/fmt/include/fmt/base.h index 627649425..9eeeb2ce7 100644 --- a/thirdparty/fmt/include/fmt/base.h +++ b/thirdparty/fmt/include/fmt/base.h @@ -15,15 +15,13 @@ #ifndef FMT_MODULE # include // CHAR_BIT # include // FILE -# include // strlen +# include // memcmp -// is also included transitively from . -# include // std::byte # include // std::enable_if #endif // The fmt library version in the form major * 10000 + minor * 100 + patch. -#define FMT_VERSION 110002 +#define FMT_VERSION 110103 // Detect compiler versions. #if defined(__clang__) && !defined(__ibmxl__) @@ -78,6 +76,11 @@ #else # define FMT_HAS_INCLUDE(x) 0 #endif +#ifdef __has_builtin +# define FMT_HAS_BUILTIN(x) __has_builtin(x) +#else +# define FMT_HAS_BUILTIN(x) 0 +#endif #ifdef __has_cpp_attribute # define FMT_HAS_CPP_ATTRIBUTE(x) __has_cpp_attribute(x) #else @@ -93,9 +96,9 @@ // Detect C++14 relaxed constexpr. #ifdef FMT_USE_CONSTEXPR // Use the provided definition. -#elif FMT_GCC_VERSION >= 600 && FMT_CPLUSPLUS >= 201402L -// GCC only allows throw in constexpr since version 6: -// https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67371. +#elif FMT_GCC_VERSION >= 702 && FMT_CPLUSPLUS >= 201402L +// GCC only allows constexpr member functions in non-literal types since 7.2: +// https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66297. # define FMT_USE_CONSTEXPR 1 #elif FMT_ICC_VERSION # define FMT_USE_CONSTEXPR 0 // https://github.com/fmtlib/fmt/issues/1628 @@ -138,40 +141,19 @@ # define FMT_CONSTEXPR20 #endif -#if defined(FMT_USE_NONTYPE_TEMPLATE_ARGS) -// Use the provided definition. -#elif defined(__NVCOMPILER) -# define FMT_USE_NONTYPE_TEMPLATE_ARGS 0 -#elif FMT_GCC_VERSION >= 903 && FMT_CPLUSPLUS >= 201709L -# define FMT_USE_NONTYPE_TEMPLATE_ARGS 1 -#elif defined(__cpp_nontype_template_args) && \ - __cpp_nontype_template_args >= 201911L -# define FMT_USE_NONTYPE_TEMPLATE_ARGS 1 -#elif FMT_CLANG_VERSION >= 1200 && FMT_CPLUSPLUS >= 202002L -# define FMT_USE_NONTYPE_TEMPLATE_ARGS 1 -#else -# define FMT_USE_NONTYPE_TEMPLATE_ARGS 0 -#endif - -#ifdef FMT_USE_CONCEPTS -// Use the provided definition. -#elif defined(__cpp_concepts) -# define FMT_USE_CONCEPTS 1 -#else -# define FMT_USE_CONCEPTS 0 -#endif - // Check if exceptions are disabled. -#ifdef FMT_EXCEPTIONS +#ifdef FMT_USE_EXCEPTIONS // Use the provided definition. #elif defined(__GNUC__) && !defined(__EXCEPTIONS) -# define FMT_EXCEPTIONS 0 +# define FMT_USE_EXCEPTIONS 0 +#elif defined(__clang__) && !defined(__cpp_exceptions) +# define FMT_USE_EXCEPTIONS 0 #elif FMT_MSC_VERSION && !_HAS_EXCEPTIONS -# define FMT_EXCEPTIONS 0 +# define FMT_USE_EXCEPTIONS 0 #else -# define FMT_EXCEPTIONS 1 +# define FMT_USE_EXCEPTIONS 1 #endif -#if FMT_EXCEPTIONS +#if FMT_USE_EXCEPTIONS # define FMT_TRY try # define FMT_CATCH(x) catch (x) #else @@ -179,6 +161,20 @@ # define FMT_CATCH(x) if (false) #endif +#ifdef FMT_NO_UNIQUE_ADDRESS +// Use the provided definition. +#elif FMT_CPLUSPLUS < 202002L +// Not supported. +#elif FMT_HAS_CPP_ATTRIBUTE(no_unique_address) +# define FMT_NO_UNIQUE_ADDRESS [[no_unique_address]] +// VS2019 v16.10 and later except clang-cl (https://reviews.llvm.org/D110485). +#elif FMT_MSC_VERSION >= 1929 && !FMT_CLANG_VERSION +# define FMT_NO_UNIQUE_ADDRESS [[msvc::no_unique_address]] +#endif +#ifndef FMT_NO_UNIQUE_ADDRESS +# define FMT_NO_UNIQUE_ADDRESS +#endif + #if FMT_HAS_CPP17_ATTRIBUTE(fallthrough) # define FMT_FALLTHROUGH [[fallthrough]] #elif defined(__clang__) @@ -197,12 +193,12 @@ # define FMT_NORETURN #endif -#ifndef FMT_NODISCARD -# if FMT_HAS_CPP17_ATTRIBUTE(nodiscard) -# define FMT_NODISCARD [[nodiscard]] -# else -# define FMT_NODISCARD -# endif +#ifdef FMT_NODISCARD +// Use the provided definition. +#elif FMT_HAS_CPP17_ATTRIBUTE(nodiscard) +# define FMT_NODISCARD [[nodiscard]] +#else +# define FMT_NODISCARD #endif #ifdef FMT_DEPRECATED @@ -213,14 +209,14 @@ # define FMT_DEPRECATED /* deprecated */ #endif -#ifdef FMT_INLINE +#ifdef FMT_ALWAYS_INLINE // Use the provided definition. #elif FMT_GCC_VERSION || FMT_CLANG_VERSION # define FMT_ALWAYS_INLINE inline __attribute__((always_inline)) #else # define FMT_ALWAYS_INLINE inline #endif -// A version of FMT_INLINE to prevent code bloat in debug mode. +// A version of FMT_ALWAYS_INLINE to prevent code bloat in debug mode. #ifdef NDEBUG # define FMT_INLINE FMT_ALWAYS_INLINE #else @@ -233,30 +229,24 @@ # define FMT_VISIBILITY(value) #endif -#ifndef FMT_GCC_PRAGMA +// Detect pragmas. +#define FMT_PRAGMA_IMPL(x) _Pragma(#x) +#if FMT_GCC_VERSION >= 504 && !defined(__NVCOMPILER) // Workaround a _Pragma bug https://gcc.gnu.org/bugzilla/show_bug.cgi?id=59884 // and an nvhpc warning: https://github.com/fmtlib/fmt/pull/2582. -# if FMT_GCC_VERSION >= 504 && !defined(__NVCOMPILER) -# define FMT_GCC_PRAGMA(arg) _Pragma(arg) -# else -# define FMT_GCC_PRAGMA(arg) -# endif +# define FMT_PRAGMA_GCC(x) FMT_PRAGMA_IMPL(GCC x) +#else +# define FMT_PRAGMA_GCC(x) #endif - -// GCC < 5 requires this-> in decltype. -#if FMT_GCC_VERSION && FMT_GCC_VERSION < 500 -# define FMT_DECLTYPE_THIS this-> +#if FMT_CLANG_VERSION +# define FMT_PRAGMA_CLANG(x) FMT_PRAGMA_IMPL(clang x) #else -# define FMT_DECLTYPE_THIS +# define FMT_PRAGMA_CLANG(x) #endif - #if FMT_MSC_VERSION # define FMT_MSC_WARNING(...) __pragma(warning(__VA_ARGS__)) -# define FMT_UNCHECKED_ITERATOR(It) \ - using _Unchecked_type = It // Mark iterator as checked. #else # define FMT_MSC_WARNING(...) -# define FMT_UNCHECKED_ITERATOR(It) using unchecked_type = It #endif #ifndef FMT_BEGIN_NAMESPACE @@ -274,7 +264,13 @@ # define FMT_END_EXPORT #endif -#if !defined(FMT_HEADER_ONLY) && defined(_WIN32) +#ifdef _WIN32 +# define FMT_WIN32 1 +#else +# define FMT_WIN32 0 +#endif + +#if !defined(FMT_HEADER_ONLY) && FMT_WIN32 # if defined(FMT_LIB_EXPORT) # define FMT_API __declspec(dllexport) # elif defined(FMT_SHARED) @@ -287,28 +283,26 @@ # define FMT_API #endif -#ifndef FMT_UNICODE -# define FMT_UNICODE 1 +#ifndef FMT_OPTIMIZE_SIZE +# define FMT_OPTIMIZE_SIZE 0 #endif -// Check if rtti is available. -#ifndef FMT_USE_RTTI -// __RTTI is for EDG compilers. _CPPRTTI is for MSVC. -# if defined(__GXX_RTTI) || FMT_HAS_FEATURE(cxx_rtti) || defined(_CPPRTTI) || \ - defined(__INTEL_RTTI__) || defined(__RTTI) -# define FMT_USE_RTTI 1 -# else -# define FMT_USE_RTTI 0 -# endif +// FMT_BUILTIN_TYPE=0 may result in smaller library size at the cost of higher +// per-call binary size by passing built-in types through the extension API. +#ifndef FMT_BUILTIN_TYPES +# define FMT_BUILTIN_TYPES 1 #endif -#define FMT_FWD(...) static_cast(__VA_ARGS__) +#define FMT_APPLY_VARIADIC(expr) \ + using ignore = int[]; \ + (void)ignore { 0, (expr, 0)... } // Enable minimal optimizations for more compact code in debug mode. -FMT_GCC_PRAGMA("GCC push_options") -#if !defined(__OPTIMIZE__) && !defined(__CUDACC__) -FMT_GCC_PRAGMA("GCC optimize(\"Og\")") +FMT_PRAGMA_GCC(push_options) +#if !defined(__OPTIMIZE__) && !defined(__CUDACC__) && !defined(FMT_MODULE) +FMT_PRAGMA_GCC(optimize("Og")) #endif +FMT_PRAGMA_CLANG(diagnostic push) FMT_BEGIN_NAMESPACE @@ -324,17 +318,15 @@ template using remove_const_t = typename std::remove_const::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; template using make_unsigned_t = typename std::make_unsigned::type; template using underlying_t = typename std::underlying_type::type; +template using decay_t = typename std::decay::type; +using nullptr_t = decltype(nullptr); #if FMT_GCC_VERSION && FMT_GCC_VERSION < 500 -// A workaround for gcc 4.8 to make void_t work in a SFINAE context. +// A workaround for gcc 4.9 to make void_t work in a SFINAE context. template struct void_t_impl { using type = void; }; @@ -356,14 +348,12 @@ struct monostate { # define FMT_ENABLE_IF(...) fmt::enable_if_t<(__VA_ARGS__), int> = 0 #endif -// This is defined in base.h instead of format.h to avoid injecting in std. -// It is a template to avoid undesirable implicit conversions to std::byte. -#ifdef __cpp_lib_byte -template ::value)> -inline auto format_as(T b) -> unsigned char { - return static_cast(b); +template constexpr auto min_of(T a, T b) -> T { + return a < b ? a : b; +} +template constexpr auto max_of(T a, T b) -> T { + return a > b ? a : b; } -#endif namespace detail { // Suppresses "unused variable" warnings with the method described in @@ -373,9 +363,8 @@ template FMT_CONSTEXPR void ignore_unused(const T&...) {} constexpr auto is_constant_evaluated(bool default_value = false) noexcept -> bool { -// Workaround for incompatibility between libstdc++ consteval-based -// std::is_constant_evaluated() implementation and clang-14: -// https://github.com/fmtlib/fmt/issues/3247. +// Workaround for incompatibility between clang 14 and libstdc++ consteval-based +// std::is_constant_evaluated: https://github.com/fmtlib/fmt/issues/3247. #if FMT_CPLUSPLUS >= 202002L && FMT_GLIBCXX_RELEASE >= 12 && \ (FMT_CLANG_VERSION >= 1400 && FMT_CLANG_VERSION < 1500) ignore_unused(default_value); @@ -389,7 +378,9 @@ constexpr auto is_constant_evaluated(bool default_value = false) noexcept } // Suppresses "conditional expression is constant" warnings. -template constexpr auto const_check(T value) -> T { return value; } +template FMT_ALWAYS_INLINE constexpr auto const_check(T val) -> T { + return val; +} FMT_NORETURN FMT_API void assert_fail(const char* file, int line, const char* message); @@ -408,15 +399,14 @@ FMT_NORETURN FMT_API void assert_fail(const char* file, int line, #endif #ifdef FMT_USE_INT128 -// Do nothing. +// Use the provided definition. #elif defined(__SIZEOF_INT128__) && !defined(__NVCC__) && \ !(FMT_CLANG_VERSION && FMT_MSC_VERSION) # define FMT_USE_INT128 1 using int128_opt = __int128_t; // An optional native 128-bit integer. using uint128_opt = __uint128_t; -template inline auto convert_for_visit(T value) -> T { - return value; -} +inline auto map(int128_opt x) -> int128_opt { return x; } +inline auto map(uint128_opt x) -> uint128_opt { return x; } #else # define FMT_USE_INT128 0 #endif @@ -424,9 +414,23 @@ template inline auto convert_for_visit(T value) -> T { enum class int128_opt {}; enum class uint128_opt {}; // Reduce template instantiations. -template auto convert_for_visit(T) -> monostate { return {}; } +inline auto map(int128_opt) -> monostate { return {}; } +inline auto map(uint128_opt) -> monostate { return {}; } +#endif + +#ifndef FMT_USE_BITINT +# define FMT_USE_BITINT (FMT_CLANG_VERSION >= 1500) #endif +#if FMT_USE_BITINT +FMT_PRAGMA_CLANG(diagnostic ignored "-Wbit-int-extension") +template using bitint = _BitInt(N); +template using ubitint = unsigned _BitInt(N); +#else +template struct bitint {}; +template struct ubitint {}; +#endif // FMT_USE_BITINT + // Casts a nonnegative integer to unsigned. template FMT_CONSTEXPR auto to_unsigned(Int value) -> make_unsigned_t { @@ -434,6 +438,9 @@ FMT_CONSTEXPR auto to_unsigned(Int value) -> make_unsigned_t { return static_cast>(value); } +template +using unsigned_char = conditional_t; + // A heuristic to detect std::string and std::[experimental::]string_view. // It is mainly used to avoid dependency on <[experimental/]string_view>. template @@ -444,25 +451,19 @@ struct is_std_string_like().find_first_of( : std::is_convertible().data()), const typename T::value_type*> {}; -// Returns true iff the literal encoding is UTF-8. -constexpr auto is_utf8_enabled() -> bool { - // Avoid an MSVC sign extension bug: https://github.com/fmtlib/fmt/pull/2297. - using uchar = unsigned char; - return sizeof("\u00A7") == 3 && uchar("\u00A7"[0]) == 0xC2 && - uchar("\u00A7"[1]) == 0xA7; -} -constexpr auto use_utf8() -> bool { - return !FMT_MSC_VERSION || is_utf8_enabled(); -} +// Check if the literal encoding is UTF-8. +enum { is_utf8_enabled = "\u00A7"[1] == '\xA7' }; +enum { use_utf8 = !FMT_WIN32 || is_utf8_enabled }; + +#ifndef FMT_UNICODE +# define FMT_UNICODE 1 +#endif -static_assert(!FMT_UNICODE || use_utf8(), +static_assert(!FMT_UNICODE || use_utf8, "Unicode support requires compiling with /utf-8"); -template FMT_CONSTEXPR auto length(const Char* s) -> size_t { - size_t len = 0; - while (*s++) ++len; - return len; -} +template constexpr const char* narrow(const T*) { return nullptr; } +constexpr FMT_ALWAYS_INLINE const char* narrow(const char* s) { return s; } template FMT_CONSTEXPR auto compare(const Char* s1, const Char* s2, std::size_t n) @@ -494,17 +495,18 @@ struct is_back_insert_iterator< // Extracts a reference to the container from *insert_iterator. template -inline auto get_container(OutputIt it) -> typename OutputIt::container_type& { +inline FMT_CONSTEXPR20 auto get_container(OutputIt it) -> + typename OutputIt::container_type& { struct accessor : OutputIt { - accessor(OutputIt base) : OutputIt(base) {} + FMT_CONSTEXPR20 accessor(OutputIt base) : OutputIt(base) {} using OutputIt::container; }; return *accessor(it).container; } } // namespace detail -// Checks whether T is a container with contiguous storage. -template struct is_contiguous : std::false_type {}; +// Parsing-related public API and forward declarations. +FMT_BEGIN_EXPORT /** * An implementation of `std::basic_string_view` for pre-C++17. It provides a @@ -513,7 +515,6 @@ template struct is_contiguous : std::false_type {}; * compiled with a different `-std` option than the client code (which is not * recommended). */ -FMT_EXPORT template class basic_string_view { private: const Char* data_; @@ -529,16 +530,23 @@ template class basic_string_view { constexpr basic_string_view(const Char* s, size_t count) noexcept : data_(s), size_(count) {} - constexpr basic_string_view(std::nullptr_t) = delete; + constexpr basic_string_view(nullptr_t) = delete; /// Constructs a string reference object from a C string. - FMT_CONSTEXPR20 - basic_string_view(const Char* s) - : data_(s), - size_(detail::const_check(std::is_same::value && - !detail::is_constant_evaluated(false)) - ? strlen(reinterpret_cast(s)) - : detail::length(s)) {} +#if FMT_GCC_VERSION + FMT_ALWAYS_INLINE +#endif + FMT_CONSTEXPR20 basic_string_view(const Char* s) : data_(s) { +#if FMT_HAS_BUILTIN(__buitin_strlen) || FMT_GCC_VERSION || FMT_CLANG_VERSION + if (std::is_same::value) { + size_ = __builtin_strlen(detail::narrow(s)); + return; + } +#endif + size_t len = 0; + while (*s++) ++len; + size_ = len; + } /// Constructs a string reference from a `std::basic_string` or a /// `std::basic_string_view` object. @@ -579,11 +587,10 @@ template class basic_string_view { // Lexicographically compare this string reference to other. FMT_CONSTEXPR auto compare(basic_string_view other) const -> int { - size_t str_size = size_ < other.size_ ? size_ : other.size_; - int result = detail::compare(data_, other.data_, str_size); - if (result == 0) - result = size_ == other.size_ ? 0 : (size_ < other.size_ ? -1 : 1); - return result; + int result = + detail::compare(data_, other.data_, min_of(size_, other.size_)); + if (result != 0) return result; + return size_ == other.size_ ? 0 : (size_ < other.size_ ? -1 : 1); } FMT_CONSTEXPR friend auto operator==(basic_string_view lhs, @@ -607,14 +614,315 @@ template class basic_string_view { } }; -FMT_EXPORT using string_view = basic_string_view; -/// Specifies if `T` is a character type. Can be specialized by users. -FMT_EXPORT -template struct is_char : std::false_type {}; +/// Specifies if `T` is an extended character type. Can be specialized by users. +template struct is_xchar : std::false_type {}; +template <> struct is_xchar : std::true_type {}; +template <> struct is_xchar : std::true_type {}; +template <> struct is_xchar : std::true_type {}; +#ifdef __cpp_char8_t +template <> struct is_xchar : std::true_type {}; +#endif + +// DEPRECATED! Will be replaced with an alias to prevent specializations. +template struct is_char : is_xchar {}; template <> struct is_char : std::true_type {}; +template class basic_appender; +using appender = basic_appender; + +// Checks whether T is a container with contiguous storage. +template struct is_contiguous : std::false_type {}; + +class context; +template class generic_context; +template class parse_context; + +// Longer aliases for C++20 compatibility. +template using basic_format_parse_context = parse_context; +using format_parse_context = parse_context; +template +using basic_format_context = + conditional_t::value, context, + generic_context>; +using format_context = context; + +template +using buffered_context = + conditional_t::value, context, + generic_context, Char>>; + +template class basic_format_arg; +template class 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; + +// A formatter for objects of type T. +template +struct formatter { + // A deleted default constructor indicates a disabled formatter. + formatter() = delete; +}; + +/// Reports a format error at compile time or, via a `format_error` exception, +/// at runtime. +// This function is intentionally not constexpr to give a compile-time error. +FMT_NORETURN FMT_API void report_error(const char* message); + +enum class presentation_type : unsigned char { + // Common specifiers: + none = 0, + debug = 1, // '?' + string = 2, // 's' (string, bool) + + // Integral, bool and character specifiers: + dec = 3, // 'd' + hex, // 'x' or 'X' + oct, // 'o' + bin, // 'b' or 'B' + chr, // 'c' + + // String and pointer specifiers: + pointer = 3, // 'p' + + // Floating-point specifiers: + exp = 1, // 'e' or 'E' (1 since there is no FP debug presentation) + fixed, // 'f' or 'F' + general, // 'g' or 'G' + hexfloat // 'a' or 'A' +}; + +enum class align { none, left, right, center, numeric }; +enum class sign { none, minus, plus, space }; +enum class arg_id_kind { none, index, name }; + +// Basic format specifiers for built-in and string types. +class basic_specs { + private: + // Data is arranged as follows: + // + // 0 1 2 3 + // 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 + // +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ + // |type |align| w | p | s |u|#|L| f | unused | + // +-----+-----+---+---+---+-+-+-+-----+---------------------------+ + // + // w - dynamic width info + // p - dynamic precision info + // s - sign + // u - uppercase (e.g. 'X' for 'x') + // # - alternate form ('#') + // L - localized + // f - fill size + // + // Bitfields are not used because of compiler bugs such as gcc bug 61414. + enum : unsigned { + type_mask = 0x00007, + align_mask = 0x00038, + width_mask = 0x000C0, + precision_mask = 0x00300, + sign_mask = 0x00C00, + uppercase_mask = 0x01000, + alternate_mask = 0x02000, + localized_mask = 0x04000, + fill_size_mask = 0x38000, + + align_shift = 3, + width_shift = 6, + precision_shift = 8, + sign_shift = 10, + fill_size_shift = 15, + + max_fill_size = 4 + }; + + unsigned data_ = 1 << fill_size_shift; + static_assert(sizeof(data_) * CHAR_BIT >= 18, ""); + + // Character (code unit) type is erased to prevent template bloat. + char fill_data_[max_fill_size] = {' '}; + + FMT_CONSTEXPR void set_fill_size(size_t size) { + data_ = (data_ & ~fill_size_mask) | + (static_cast(size) << fill_size_shift); + } + + public: + constexpr auto type() const -> presentation_type { + return static_cast(data_ & type_mask); + } + FMT_CONSTEXPR void set_type(presentation_type t) { + data_ = (data_ & ~type_mask) | static_cast(t); + } + + constexpr auto align() const -> align { + return static_cast((data_ & align_mask) >> align_shift); + } + FMT_CONSTEXPR void set_align(fmt::align a) { + data_ = (data_ & ~align_mask) | (static_cast(a) << align_shift); + } + + constexpr auto dynamic_width() const -> arg_id_kind { + return static_cast((data_ & width_mask) >> width_shift); + } + FMT_CONSTEXPR void set_dynamic_width(arg_id_kind w) { + data_ = (data_ & ~width_mask) | (static_cast(w) << width_shift); + } + + FMT_CONSTEXPR auto dynamic_precision() const -> arg_id_kind { + return static_cast((data_ & precision_mask) >> + precision_shift); + } + FMT_CONSTEXPR void set_dynamic_precision(arg_id_kind p) { + data_ = (data_ & ~precision_mask) | + (static_cast(p) << precision_shift); + } + + constexpr bool dynamic() const { + return (data_ & (width_mask | precision_mask)) != 0; + } + + constexpr auto sign() const -> sign { + return static_cast((data_ & sign_mask) >> sign_shift); + } + FMT_CONSTEXPR void set_sign(fmt::sign s) { + data_ = (data_ & ~sign_mask) | (static_cast(s) << sign_shift); + } + + constexpr auto upper() const -> bool { return (data_ & uppercase_mask) != 0; } + FMT_CONSTEXPR void set_upper() { data_ |= uppercase_mask; } + + constexpr auto alt() const -> bool { return (data_ & alternate_mask) != 0; } + FMT_CONSTEXPR void set_alt() { data_ |= alternate_mask; } + FMT_CONSTEXPR void clear_alt() { data_ &= ~alternate_mask; } + + constexpr auto localized() const -> bool { + return (data_ & localized_mask) != 0; + } + FMT_CONSTEXPR void set_localized() { data_ |= localized_mask; } + + constexpr auto fill_size() const -> size_t { + return (data_ & fill_size_mask) >> fill_size_shift; + } + + template ::value)> + constexpr auto fill() const -> const Char* { + return fill_data_; + } + template ::value)> + constexpr auto fill() const -> const Char* { + return nullptr; + } + + template constexpr auto fill_unit() const -> Char { + using uchar = unsigned char; + return static_cast(static_cast(fill_data_[0]) | + (static_cast(fill_data_[1]) << 8) | + (static_cast(fill_data_[2]) << 16)); + } + + FMT_CONSTEXPR void set_fill(char c) { + fill_data_[0] = c; + set_fill_size(1); + } + + template + FMT_CONSTEXPR void set_fill(basic_string_view s) { + auto size = s.size(); + set_fill_size(size); + if (size == 1) { + unsigned uchar = static_cast>(s[0]); + fill_data_[0] = static_cast(uchar); + fill_data_[1] = static_cast(uchar >> 8); + fill_data_[2] = static_cast(uchar >> 16); + return; + } + FMT_ASSERT(size <= max_fill_size, "invalid fill"); + for (size_t i = 0; i < size; ++i) + fill_data_[i & 3] = static_cast(s[i]); + } + + FMT_CONSTEXPR void copy_fill_from(const basic_specs& specs) { + set_fill_size(specs.fill_size()); + for (size_t i = 0; i < max_fill_size; ++i) + fill_data_[i] = specs.fill_data_[i]; + } +}; + +// Format specifiers for built-in and string types. +struct format_specs : basic_specs { + int width; + int precision; + + constexpr format_specs() : width(0), precision(-1) {} +}; + +/** + * Parsing context consisting of a format string range being parsed and an + * argument counter for automatic indexing. + */ +template class parse_context { + private: + basic_string_view fmt_; + int next_arg_id_; + + enum { use_constexpr_cast = !FMT_GCC_VERSION || FMT_GCC_VERSION >= 1200 }; + + FMT_CONSTEXPR void do_check_arg_id(int arg_id); + + public: + using char_type = Char; + using iterator = const Char*; + + constexpr explicit parse_context(basic_string_view fmt, + int next_arg_id = 0) + : fmt_(fmt), next_arg_id_(next_arg_id) {} + + /// Returns an iterator to the beginning of the format string range being + /// parsed. + constexpr auto begin() const noexcept -> iterator { return fmt_.begin(); } + + /// Returns an iterator past the end of the format string range being parsed. + constexpr auto end() const noexcept -> iterator { return fmt_.end(); } + + /// Advances the begin iterator to `it`. + FMT_CONSTEXPR void advance_to(iterator it) { + fmt_.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 { + if (next_arg_id_ < 0) { + report_error("cannot switch from manual to automatic argument indexing"); + return 0; + } + int id = next_arg_id_++; + do_check_arg_id(id); + return id; + } + + /// Reports an error if using the automatic argument indexing; otherwise + /// switches to the manual indexing. + FMT_CONSTEXPR void check_arg_id(int id) { + if (next_arg_id_ > 0) { + report_error("cannot switch from automatic to manual argument indexing"); + return; + } + next_arg_id_ = -1; + do_check_arg_id(id); + } + FMT_CONSTEXPR void check_arg_id(basic_string_view) { + next_arg_id_ = -1; + } + FMT_CONSTEXPR void check_dynamic_spec(int arg_id); +}; + +FMT_END_EXPORT + namespace detail { // Constructs fmt::basic_string_view from types implicitly convertible @@ -643,16 +951,10 @@ struct has_to_string_view< T, void_t()))>> : std::true_type {}; -template struct string_literal { - static constexpr Char value[sizeof...(C)] = {C...}; - constexpr operator basic_string_view() const { - return {value, sizeof...(C)}; - } -}; -#if FMT_CPLUSPLUS < 201703L -template -constexpr Char string_literal::value[sizeof...(C)]; -#endif +/// String's character (code unit) type. detail:: is intentional to prevent ADL. +template ()))> +using char_t = typename V::value_type; enum class type { none_type, @@ -727,103 +1029,196 @@ enum { cstring_set = set(type::cstring_type), pointer_set = set(type::pointer_type) }; -} // namespace detail - -/// Reports a format error at compile time or, via a `format_error` exception, -/// at runtime. -// This function is intentionally not constexpr to give a compile-time error. -FMT_NORETURN FMT_API void report_error(const char* message); -FMT_DEPRECATED FMT_NORETURN inline void throw_format_error( - const char* message) { - report_error(message); -} +struct view {}; -/// String's character (code unit) type. -template ()))> -using char_t = typename V::value_type; +template struct named_arg; +template struct is_named_arg : std::false_type {}; +template struct is_static_named_arg : std::false_type {}; -/** - * 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. - */ -FMT_EXPORT -template class basic_format_parse_context { - private: - basic_string_view format_str_; - int next_arg_id_; +template +struct is_named_arg> : std::true_type {}; - FMT_CONSTEXPR void do_check_arg_id(int id); +template struct named_arg : view { + const Char* name; + const T& value; - public: - using char_type = Char; - using iterator = const Char*; + named_arg(const Char* n, const T& v) : name(n), value(v) {} + static_assert(!is_named_arg::value, "nested named arguments"); +}; - explicit constexpr basic_format_parse_context( - basic_string_view format_str, int next_arg_id = 0) - : format_str_(format_str), next_arg_id_(next_arg_id) {} +template constexpr auto count() -> int { return B ? 1 : 0; } +template constexpr auto count() -> int { + return (B1 ? 1 : 0) + count(); +} - /// Returns an iterator to the beginning of the format string range being - /// parsed. - constexpr auto begin() const noexcept -> iterator { - return format_str_.begin(); - } +template constexpr auto count_named_args() -> int { + return count::value...>(); +} +template constexpr auto count_static_named_args() -> int { + return count::value...>(); +} - /// Returns an iterator past the end of the format string range being parsed. - constexpr auto end() const noexcept -> iterator { return format_str_.end(); } +template struct named_arg_info { + const Char* name; + int id; +}; - /// Advances the begin iterator to `it`. - FMT_CONSTEXPR void advance_to(iterator it) { - format_str_.remove_prefix(detail::to_unsigned(it - begin())); - } +template ::value)> +void init_named_arg(named_arg_info*, int& arg_index, int&, const T&) { + ++arg_index; +} +template ::value)> +void init_named_arg(named_arg_info* named_args, int& arg_index, + int& named_arg_index, const T& arg) { + named_args[named_arg_index++] = {arg.name, arg_index++}; +} - /// 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 { - if (next_arg_id_ < 0) { - report_error("cannot switch from manual to automatic argument indexing"); - return 0; - } - int id = next_arg_id_++; - do_check_arg_id(id); - return id; - } +template ::value)> +FMT_CONSTEXPR void init_static_named_arg(named_arg_info*, int& arg_index, + int&) { + ++arg_index; +} +template ::value)> +FMT_CONSTEXPR void init_static_named_arg(named_arg_info* named_args, + int& arg_index, int& named_arg_index) { + named_args[named_arg_index++] = {T::name, arg_index++}; +} - /// Reports an error if using the automatic argument indexing; otherwise - /// switches to the manual indexing. - FMT_CONSTEXPR void check_arg_id(int id) { - if (next_arg_id_ > 0) { - report_error("cannot switch from automatic to manual argument indexing"); - return; - } - next_arg_id_ = -1; - do_check_arg_id(id); - } - FMT_CONSTEXPR void check_arg_id(basic_string_view) { - next_arg_id_ = -1; - } - FMT_CONSTEXPR void check_dynamic_spec(int arg_id); +// 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; + +template +using format_as_result = + remove_cvref_t()))>; +template +using format_as_member_result = + remove_cvref_t::format_as(std::declval()))>; + +template +struct use_format_as : std::false_type {}; +// format_as member is only used to avoid injection into the std namespace. +template +struct use_format_as_member : std::false_type {}; + +// Only map owning types because mapping views can be unsafe. +template +struct use_format_as< + T, bool_constant>::value>> + : std::true_type {}; +template +struct use_format_as_member< + T, bool_constant>::value>> + : std::true_type {}; + +template > +using use_formatter = + bool_constant<(std::is_class::value || std::is_enum::value || + std::is_union::value || std::is_array::value) && + !has_to_string_view::value && !is_named_arg::value && + !use_format_as::value && !use_format_as_member::value>; + +template > +auto has_formatter_impl(T* p, buffered_context* ctx = nullptr) + -> decltype(formatter().format(*p, *ctx), std::true_type()); +template auto has_formatter_impl(...) -> std::false_type; + +// T can be const-qualified to check if it is const-formattable. +template constexpr auto has_formatter() -> bool { + return decltype(has_formatter_impl(static_cast(nullptr)))::value; +} + +// Maps formatting argument types to natively supported types or user-defined +// types with formatters. Returns void on errors to be SFINAE-friendly. +template struct type_mapper { + static auto map(signed char) -> int; + static auto map(unsigned char) -> unsigned; + static auto map(short) -> int; + static auto map(unsigned short) -> unsigned; + static auto map(int) -> int; + static auto map(unsigned) -> unsigned; + static auto map(long) -> long_type; + static auto map(unsigned long) -> ulong_type; + static auto map(long long) -> long long; + static auto map(unsigned long long) -> unsigned long long; + static auto map(int128_opt) -> int128_opt; + static auto map(uint128_opt) -> uint128_opt; + static auto map(bool) -> bool; + + template + static auto map(bitint) -> conditional_t; + template + static auto map(ubitint) + -> conditional_t; + + template ::value)> + static auto map(T) -> conditional_t< + std::is_same::value || std::is_same::value, Char, void>; + + static auto map(float) -> float; + static auto map(double) -> double; + static auto map(long double) -> long double; + + static auto map(Char*) -> const Char*; + static auto map(const Char*) -> const Char*; + template , + FMT_ENABLE_IF(!std::is_pointer::value)> + static auto map(const T&) -> conditional_t::value, + basic_string_view, void>; + + static auto map(void*) -> const void*; + static auto map(const void*) -> const void*; + static auto map(volatile void*) -> const void*; + static auto map(const volatile void*) -> const void*; + static auto map(nullptr_t) -> const void*; + template ::value || + std::is_member_pointer::value)> + static auto map(const T&) -> void; + + template ::value)> + static auto map(const T& x) -> decltype(map(format_as(x))); + template ::value)> + static auto map(const T& x) -> decltype(map(formatter::format_as(x))); + + template ::value)> + static auto map(T&) -> conditional_t(), T&, void>; + + template ::value)> + static auto map(const T& named_arg) -> decltype(map(named_arg.value)); }; -FMT_EXPORT -using format_parse_context = basic_format_parse_context; +// detail:: is used to workaround a bug in MSVC 2017. +template +using mapped_t = decltype(detail::type_mapper::map(std::declval())); -namespace detail { +// A type constant after applying type_mapper. +template +using mapped_type_constant = type_constant, Char>; + +template ::value> +using stored_type_constant = std::integral_constant< + type, Context::builtin_types || TYPE == type::int_type ? TYPE + : type::custom_type>; // A parse context with extra data used only in compile-time checks. template -class compile_parse_context : public basic_format_parse_context { +class compile_parse_context : public parse_context { private: int num_args_; const type* types_; - using base = basic_format_parse_context; + using base = parse_context; public: - explicit FMT_CONSTEXPR compile_parse_context( - basic_string_view format_str, int num_args, const type* types, - int next_arg_id = 0) - : base(format_str, next_arg_id), num_args_(num_args), types_(types) {} + FMT_CONSTEXPR explicit compile_parse_context(basic_string_view fmt, + int num_args, const type* types, + int next_arg_id = 0) + : base(fmt, next_arg_id), num_args_(num_args), types_(types) {} constexpr auto num_args() const -> int { return num_args_; } constexpr auto arg_type(int id) const -> type { return types_[id]; } @@ -841,90 +1236,570 @@ class compile_parse_context : public basic_format_parse_context { using base::check_arg_id; FMT_CONSTEXPR void check_dynamic_spec(int arg_id) { - detail::ignore_unused(arg_id); + ignore_unused(arg_id); if (arg_id < num_args_ && types_ && !is_integral_type(types_[arg_id])) report_error("width/precision is not integer"); } }; -/// A contiguous memory buffer with an optional growing ability. It is an -/// internal class and shouldn't be used directly, only via `memory_buffer`. -template class buffer { - private: - T* ptr_; - size_t size_; - size_t capacity_; +// An argument reference. +template union arg_ref { + FMT_CONSTEXPR arg_ref(int idx = 0) : index(idx) {} + FMT_CONSTEXPR arg_ref(basic_string_view n) : name(n) {} - using grow_fun = void (*)(buffer& buf, size_t capacity); - grow_fun grow_; + int index; + basic_string_view name; +}; - protected: - // Don't initialize ptr_ since it is not accessed to save a few cycles. - FMT_MSC_WARNING(suppress : 26495) - FMT_CONSTEXPR20 buffer(grow_fun grow, size_t sz) noexcept - : size_(sz), capacity_(sz), grow_(grow) {} +// Format specifiers with width and precision resolved at formatting rather +// than parsing time to allow reusing the same parsed specifiers with +// different sets of arguments (precompilation of format strings). +template struct dynamic_format_specs : format_specs { + arg_ref width_ref; + arg_ref precision_ref; +}; - constexpr buffer(grow_fun grow, T* p = nullptr, size_t sz = 0, - size_t cap = 0) noexcept - : ptr_(p), size_(sz), capacity_(cap), grow_(grow) {} +// Converts a character to ASCII. Returns '\0' on conversion failure. +template ::value)> +constexpr auto to_ascii(Char c) -> char { + return c <= 0xff ? static_cast(c) : '\0'; +} - FMT_CONSTEXPR20 ~buffer() = default; - buffer(buffer&&) = default; +// Returns the number of code units in a code point or 1 on error. +template +FMT_CONSTEXPR auto code_point_length(const Char* begin) -> int { + if (const_check(sizeof(Char) != 1)) return 1; + auto c = static_cast(*begin); + return static_cast((0x3a55000000000000ull >> (2 * (c >> 3))) & 3) + 1; +} - /// Sets the buffer data and capacity. - FMT_CONSTEXPR void set(T* buf_data, size_t buf_capacity) noexcept { - ptr_ = buf_data; - capacity_ = buf_capacity; - } +// 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; + int digits10 = static_cast(sizeof(int) * CHAR_BIT * 3 / 10); + if (num_digits <= digits10) return static_cast(value); + // Check for overflow. + unsigned max = INT_MAX; + return num_digits == digits10 + 1 && + prev * 10ull + unsigned(p[-1] - '0') <= max + ? static_cast(value) + : error_value; +} - public: - using value_type = T; - using const_reference = const T&; +FMT_CONSTEXPR inline auto parse_align(char c) -> align { + switch (c) { + case '<': return align::left; + case '>': return align::right; + case '^': return align::center; + } + return align::none; +} - buffer(const buffer&) = delete; - void operator=(const buffer&) = delete; +template constexpr auto is_name_start(Char c) -> bool { + return ('a' <= c && c <= 'z') || ('A' <= c && c <= 'Z') || c == '_'; +} - auto begin() noexcept -> T* { return ptr_; } - auto end() noexcept -> T* { return ptr_ + size_; } +template +FMT_CONSTEXPR auto parse_arg_id(const Char* begin, const Char* end, + Handler&& handler) -> const Char* { + Char c = *begin; + if (c >= '0' && c <= '9') { + int index = 0; + if (c != '0') + index = parse_nonnegative_int(begin, end, INT_MAX); + else + ++begin; + if (begin == end || (*begin != '}' && *begin != ':')) + report_error("invalid format string"); + else + handler.on_index(index); + return begin; + } + if (FMT_OPTIMIZE_SIZE > 1 || !is_name_start(c)) { + report_error("invalid format string"); + return begin; + } + auto it = begin; + do { + ++it; + } while (it != end && (is_name_start(*it) || ('0' <= *it && *it <= '9'))); + handler.on_name({begin, to_unsigned(it - begin)}); + return it; +} - auto begin() const noexcept -> const T* { return ptr_; } - auto end() const noexcept -> const T* { return ptr_ + size_; } +template struct dynamic_spec_handler { + parse_context& ctx; + arg_ref& ref; + arg_id_kind& kind; - /// Returns the size of this buffer. - constexpr auto size() const noexcept -> size_t { return size_; } + FMT_CONSTEXPR void on_index(int id) { + ref = id; + kind = arg_id_kind::index; + ctx.check_arg_id(id); + ctx.check_dynamic_spec(id); + } + FMT_CONSTEXPR void on_name(basic_string_view id) { + ref = id; + kind = arg_id_kind::name; + ctx.check_arg_id(id); + } +}; - /// Returns the capacity of this buffer. - constexpr auto capacity() const noexcept -> size_t { return capacity_; } +template struct parse_dynamic_spec_result { + const Char* end; + arg_id_kind kind; +}; - /// Returns a pointer to the buffer data (not null-terminated). - FMT_CONSTEXPR auto data() noexcept -> T* { return ptr_; } - FMT_CONSTEXPR auto data() const noexcept -> const T* { return ptr_; } +// Parses integer | "{" [arg_id] "}". +template +FMT_CONSTEXPR auto parse_dynamic_spec(const Char* begin, const Char* end, + int& value, arg_ref& ref, + parse_context& ctx) + -> parse_dynamic_spec_result { + FMT_ASSERT(begin != end, ""); + auto kind = arg_id_kind::none; + if ('0' <= *begin && *begin <= '9') { + int val = parse_nonnegative_int(begin, end, -1); + if (val == -1) report_error("number is too big"); + value = val; + } else { + if (*begin == '{') { + ++begin; + if (begin != end) { + Char c = *begin; + if (c == '}' || c == ':') { + int id = ctx.next_arg_id(); + ref = id; + kind = arg_id_kind::index; + ctx.check_dynamic_spec(id); + } else { + begin = parse_arg_id(begin, end, + dynamic_spec_handler{ctx, ref, kind}); + } + } + if (begin != end && *begin == '}') return {++begin, kind}; + } + report_error("invalid format string"); + } + return {begin, kind}; +} - /// Clears this buffer. - void clear() { size_ = 0; } +template +FMT_CONSTEXPR auto parse_width(const Char* begin, const Char* end, + format_specs& specs, arg_ref& width_ref, + parse_context& ctx) -> const Char* { + auto result = parse_dynamic_spec(begin, end, specs.width, width_ref, ctx); + specs.set_dynamic_width(result.kind); + return result.end; +} - // Tries resizing the buffer to contain `count` elements. If T is a POD type - // the new elements may not be initialized. - FMT_CONSTEXPR void try_resize(size_t count) { - try_reserve(count); - size_ = count <= capacity_ ? count : capacity_; +template +FMT_CONSTEXPR auto parse_precision(const Char* begin, const Char* end, + format_specs& specs, + arg_ref& precision_ref, + parse_context& ctx) -> const Char* { + ++begin; + if (begin == end) { + report_error("invalid precision"); + return begin; } + auto result = + parse_dynamic_spec(begin, end, specs.precision, precision_ref, ctx); + specs.set_dynamic_precision(result.kind); + return result.end; +} - // 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. - FMT_CONSTEXPR void try_reserve(size_t new_capacity) { - if (new_capacity > capacity_) grow_(*this, new_capacity); - } +enum class state { start, align, sign, hash, zero, width, precision, locale }; - FMT_CONSTEXPR void push_back(const T& value) { - try_reserve(size_ + 1); - ptr_[size_++] = value; +// Parses standard format specifiers. +template +FMT_CONSTEXPR auto parse_format_specs(const Char* begin, const Char* end, + dynamic_format_specs& specs, + parse_context& ctx, type arg_type) + -> const Char* { + auto c = '\0'; + if (end - begin > 1) { + auto next = to_ascii(begin[1]); + c = parse_align(next) == align::none ? to_ascii(*begin) : '\0'; + } else { + if (begin == end) return begin; + c = to_ascii(*begin); } - /// Appends data to the end of the buffer. - template void append(const U* begin, const U* end) { + struct { + state current_state = state::start; + FMT_CONSTEXPR void operator()(state s, bool valid = true) { + if (current_state >= s || !valid) + report_error("invalid format specifier"); + current_state = s; + } + } enter_state; + + using pres = presentation_type; + constexpr auto integral_set = sint_set | uint_set | bool_set | char_set; + struct { + const Char*& begin; + format_specs& specs; + type arg_type; + + FMT_CONSTEXPR auto operator()(pres pres_type, int set) -> const Char* { + if (!in(arg_type, set)) report_error("invalid format specifier"); + specs.set_type(pres_type); + return begin + 1; + } + } parse_presentation_type{begin, specs, arg_type}; + + for (;;) { + switch (c) { + case '<': + case '>': + case '^': + enter_state(state::align); + specs.set_align(parse_align(c)); + ++begin; + break; + case '+': + case ' ': + specs.set_sign(c == ' ' ? sign::space : sign::plus); + FMT_FALLTHROUGH; + case '-': + enter_state(state::sign, in(arg_type, sint_set | float_set)); + ++begin; + break; + case '#': + enter_state(state::hash, is_arithmetic_type(arg_type)); + specs.set_alt(); + ++begin; + break; + case '0': + enter_state(state::zero); + if (!is_arithmetic_type(arg_type)) + report_error("format specifier requires numeric argument"); + if (specs.align() == align::none) { + // Ignore 0 if align is specified for compatibility with std::format. + specs.set_align(align::numeric); + specs.set_fill('0'); + } + ++begin; + break; + // clang-format off + case '1': case '2': case '3': case '4': case '5': + case '6': case '7': case '8': case '9': case '{': + // clang-format on + enter_state(state::width); + begin = parse_width(begin, end, specs, specs.width_ref, ctx); + break; + case '.': + enter_state(state::precision, + in(arg_type, float_set | string_set | cstring_set)); + begin = parse_precision(begin, end, specs, specs.precision_ref, ctx); + break; + case 'L': + enter_state(state::locale, is_arithmetic_type(arg_type)); + specs.set_localized(); + ++begin; + break; + case 'd': return parse_presentation_type(pres::dec, integral_set); + case 'X': specs.set_upper(); FMT_FALLTHROUGH; + case 'x': return parse_presentation_type(pres::hex, integral_set); + case 'o': return parse_presentation_type(pres::oct, integral_set); + case 'B': specs.set_upper(); FMT_FALLTHROUGH; + case 'b': return parse_presentation_type(pres::bin, integral_set); + case 'E': specs.set_upper(); FMT_FALLTHROUGH; + case 'e': return parse_presentation_type(pres::exp, float_set); + case 'F': specs.set_upper(); FMT_FALLTHROUGH; + case 'f': return parse_presentation_type(pres::fixed, float_set); + case 'G': specs.set_upper(); FMT_FALLTHROUGH; + case 'g': return parse_presentation_type(pres::general, float_set); + case 'A': specs.set_upper(); FMT_FALLTHROUGH; + case 'a': return parse_presentation_type(pres::hexfloat, float_set); + case 'c': + if (arg_type == type::bool_type) report_error("invalid format specifier"); + return parse_presentation_type(pres::chr, integral_set); + case 's': + return parse_presentation_type(pres::string, + bool_set | string_set | cstring_set); + case 'p': + return parse_presentation_type(pres::pointer, pointer_set | cstring_set); + case '?': + return parse_presentation_type(pres::debug, + char_set | string_set | cstring_set); + case '}': return begin; + default: { + if (*begin == '}') return begin; + // Parse fill and alignment. + auto fill_end = begin + code_point_length(begin); + if (end - fill_end <= 0) { + report_error("invalid format specifier"); + return begin; + } + if (*begin == '{') { + report_error("invalid fill character '{'"); + return begin; + } + auto alignment = parse_align(to_ascii(*fill_end)); + enter_state(state::align, alignment != align::none); + specs.set_fill( + basic_string_view(begin, to_unsigned(fill_end - begin))); + specs.set_align(alignment); + begin = fill_end + 1; + } + } + if (begin == end) return begin; + c = to_ascii(*begin); + } +} + +template +FMT_CONSTEXPR FMT_INLINE auto parse_replacement_field(const Char* begin, + const Char* end, + Handler&& handler) + -> const Char* { + ++begin; + if (begin == end) { + handler.on_error("invalid format string"); + return end; + } + int arg_id = 0; + switch (*begin) { + case '}': + handler.on_replacement_field(handler.on_arg_id(), begin); + return begin + 1; + case '{': handler.on_text(begin, begin + 1); return begin + 1; + case ':': arg_id = handler.on_arg_id(); break; + default: { + struct id_adapter { + Handler& handler; + int arg_id; + + FMT_CONSTEXPR void on_index(int id) { arg_id = handler.on_arg_id(id); } + FMT_CONSTEXPR void on_name(basic_string_view id) { + arg_id = handler.on_arg_id(id); + } + } adapter = {handler, 0}; + begin = parse_arg_id(begin, end, adapter); + arg_id = adapter.arg_id; + Char c = begin != end ? *begin : Char(); + if (c == '}') { + handler.on_replacement_field(arg_id, begin); + return begin + 1; + } + if (c != ':') { + handler.on_error("missing '}' in format string"); + return end; + } + break; + } + } + begin = handler.on_format_specs(arg_id, begin + 1, end); + if (begin == end || *begin != '}') + return handler.on_error("unknown format specifier"), end; + return begin + 1; +} + +template +FMT_CONSTEXPR void parse_format_string(basic_string_view fmt, + Handler&& handler) { + auto begin = fmt.data(), end = begin + fmt.size(); + auto 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); +} + +// Checks char specs and returns true iff the presentation type is char-like. +FMT_CONSTEXPR inline auto check_char_specs(const format_specs& specs) -> bool { + auto type = specs.type(); + if (type != presentation_type::none && type != presentation_type::chr && + type != presentation_type::debug) { + return false; + } + if (specs.align() == align::numeric || specs.sign() != sign::none || + specs.alt()) { + report_error("invalid format specifier for char"); + } + return true; +} + +// A base class for compile-time strings. +struct compile_string {}; + +template +FMT_VISIBILITY("hidden") // Suppress an ld warning on macOS (#3769). +FMT_CONSTEXPR auto invoke_parse(parse_context& ctx) -> const Char* { + using mapped_type = remove_cvref_t>; + constexpr bool formattable = + std::is_constructible>::value; + if (!formattable) return ctx.begin(); // Error is reported in the value ctor. + using formatted_type = conditional_t; + return formatter().parse(ctx); +} + +template struct arg_pack {}; + +template +class format_string_checker { + private: + type types_[max_of(1, NUM_ARGS)]; + named_arg_info named_args_[max_of(1, NUM_NAMED_ARGS)]; + compile_parse_context context_; + + using parse_func = auto (*)(parse_context&) -> const Char*; + parse_func parse_funcs_[max_of(1, NUM_ARGS)]; + + public: + template + FMT_CONSTEXPR explicit format_string_checker(basic_string_view fmt, + arg_pack) + : types_{mapped_type_constant::value...}, + named_args_{}, + context_(fmt, NUM_ARGS, types_), + parse_funcs_{&invoke_parse...} { + int arg_index = 0, named_arg_index = 0; + FMT_APPLY_VARIADIC( + init_static_named_arg(named_args_, arg_index, named_arg_index)); + ignore_unused(arg_index, named_arg_index); + } + + 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 { + context_.check_arg_id(id); + return id; + } + FMT_CONSTEXPR auto on_arg_id(basic_string_view id) -> int { + for (int i = 0; i < NUM_NAMED_ARGS; ++i) { + if (named_args_[i].name == id) return named_args_[i].id; + } + if (!DYNAMIC_NAMES) on_error("argument not found"); + return -1; + } + + FMT_CONSTEXPR void on_replacement_field(int id, const Char* begin) { + on_format_specs(id, begin, begin); // Call parse() on empty specs. + } + + FMT_CONSTEXPR auto on_format_specs(int id, const Char* begin, const Char* end) + -> const Char* { + context_.advance_to(begin); + if (id >= 0 && id < NUM_ARGS) return parse_funcs_[id](context_); + while (begin != end && *begin != '}') ++begin; + return begin; + } + + FMT_NORETURN FMT_CONSTEXPR void on_error(const char* message) { + report_error(message); + } +}; + +/// A contiguous memory buffer with an optional growing ability. It is an +/// internal class and shouldn't be used directly, only via `memory_buffer`. +template class buffer { + private: + T* ptr_; + size_t size_; + size_t capacity_; + + using grow_fun = void (*)(buffer& buf, size_t capacity); + grow_fun grow_; + + protected: + // Don't initialize ptr_ since it is not accessed to save a few cycles. + FMT_MSC_WARNING(suppress : 26495) + FMT_CONSTEXPR buffer(grow_fun grow, size_t sz) noexcept + : size_(sz), capacity_(sz), grow_(grow) {} + + constexpr buffer(grow_fun grow, T* p = nullptr, size_t sz = 0, + size_t cap = 0) noexcept + : ptr_(p), size_(sz), capacity_(cap), grow_(grow) {} + + FMT_CONSTEXPR20 ~buffer() = default; + buffer(buffer&&) = default; + + /// Sets the buffer data and capacity. + FMT_CONSTEXPR void set(T* buf_data, size_t buf_capacity) noexcept { + ptr_ = buf_data; + capacity_ = buf_capacity; + } + + public: + using value_type = T; + using const_reference = const T&; + + buffer(const buffer&) = delete; + void operator=(const buffer&) = delete; + + auto begin() noexcept -> T* { return ptr_; } + auto end() noexcept -> T* { return ptr_ + size_; } + + auto begin() const noexcept -> const T* { return ptr_; } + auto end() const noexcept -> const T* { return ptr_ + size_; } + + /// Returns the size of this buffer. + constexpr auto size() const noexcept -> size_t { return size_; } + + /// Returns the capacity of this buffer. + constexpr auto capacity() const noexcept -> size_t { return capacity_; } + + /// Returns a pointer to the buffer data (not null-terminated). + FMT_CONSTEXPR auto data() noexcept -> T* { return ptr_; } + FMT_CONSTEXPR auto data() const noexcept -> const T* { return ptr_; } + + /// Clears this buffer. + FMT_CONSTEXPR 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. + FMT_CONSTEXPR void try_resize(size_t count) { + try_reserve(count); + size_ = min_of(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. + FMT_CONSTEXPR void try_reserve(size_t new_capacity) { + if (new_capacity > capacity_) grow_(*this, new_capacity); + } + + FMT_CONSTEXPR void push_back(const T& value) { + try_reserve(size_ + 1); + ptr_[size_++] = value; + } + + /// Appends data to the end of the buffer. + template +// Workaround for MSVC2019 to fix error C2893: Failed to specialize function +// template 'void fmt::v11::detail::buffer::append(const U *,const U *)'. +#if !FMT_MSC_VERSION || FMT_MSC_VERSION >= 1940 + FMT_CONSTEXPR20 +#endif + void + append(const U* begin, const U* end) { while (begin != end) { auto count = to_unsigned(end - begin); try_reserve(size_ + count); @@ -948,9 +1823,9 @@ template class buffer { }; struct buffer_traits { - explicit buffer_traits(size_t) {} - auto count() const -> size_t { return 0; } - auto limit(size_t size) -> size_t { return size; } + constexpr explicit buffer_traits(size_t) {} + constexpr auto count() const -> size_t { return 0; } + constexpr auto limit(size_t size) const -> size_t { return size; } }; class fixed_buffer_traits { @@ -959,12 +1834,12 @@ class fixed_buffer_traits { 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 { + constexpr explicit fixed_buffer_traits(size_t limit) : limit_(limit) {} + constexpr auto count() const -> size_t { return count_; } + FMT_CONSTEXPR auto limit(size_t size) -> size_t { size_t n = limit_ > count_ ? limit_ - count_ : 0; count_ += size; - return size < n ? size : n; + return min_of(size, n); } }; @@ -1061,32 +1936,41 @@ template class iterator_buffer : public buffer { auto out() -> T* { return &*this->end(); } }; +template +class container_buffer : public buffer { + private: + using value_type = typename Container::value_type; + + static FMT_CONSTEXPR void grow(buffer& buf, size_t capacity) { + auto& self = static_cast(buf); + self.container.resize(capacity); + self.set(&self.container[0], capacity); + } + + public: + Container& container; + + explicit container_buffer(Container& c) + : buffer(grow, c.size()), container(c) {} +}; + // A buffer that writes to a container with the contiguous storage. template class iterator_buffer< OutputIt, - enable_if_t::value && + enable_if_t::value && is_contiguous::value, typename OutputIt::container_type::value_type>> - : public buffer { + : public container_buffer { private: - using container_type = typename OutputIt::container_type; - using value_type = typename container_type::value_type; - container_type& container_; - - static FMT_CONSTEXPR void grow(buffer& buf, size_t capacity) { - auto& self = static_cast(buf); - self.container_.resize(capacity); - self.set(&self.container_[0], capacity); - } + using base = container_buffer; public: - explicit iterator_buffer(container_type& c) - : buffer(grow, c.size()), container_(c) {} + explicit iterator_buffer(typename OutputIt::container_type& c) : base(c) {} explicit iterator_buffer(OutputIt out, size_t = 0) - : iterator_buffer(get_container(out)) {} + : base(get_container(out)) {} - auto out() -> OutputIt { return back_inserter(container_); } + auto out() -> OutputIt { return OutputIt(this->container); } }; // A buffer that counts the number of code units written discarding the output. @@ -1103,110 +1987,47 @@ template class counting_buffer : public buffer { } public: - counting_buffer() : buffer(grow, data_, 0, buffer_size) {} + FMT_CONSTEXPR counting_buffer() : buffer(grow, data_, 0, buffer_size) {} - auto count() -> size_t { return count_ + this->size(); } + constexpr auto count() const noexcept -> size_t { + return count_ + this->size(); + } }; -} // namespace detail -template -FMT_CONSTEXPR void basic_format_parse_context::do_check_arg_id(int id) { - // Argument id is only checked at compile-time during parsing because - // formatting has its own validation. - if (detail::is_constant_evaluated() && - (!FMT_GCC_VERSION || FMT_GCC_VERSION >= 1200)) { - using context = detail::compile_parse_context; - if (id >= static_cast(this)->num_args()) - report_error("argument not found"); - } -} - -template -FMT_CONSTEXPR void basic_format_parse_context::check_dynamic_spec( - int arg_id) { - if (detail::is_constant_evaluated() && - (!FMT_GCC_VERSION || FMT_GCC_VERSION >= 1200)) { - using context = detail::compile_parse_context; - static_cast(this)->check_dynamic_spec(arg_id); - } -} - -FMT_EXPORT template class basic_format_arg; -FMT_EXPORT template class basic_format_args; -FMT_EXPORT template class dynamic_format_arg_store; - -// A formatter for objects of type T. -FMT_EXPORT -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>; - -// An output iterator that appends to a buffer. It is used instead of -// back_insert_iterator to reduce symbol sizes and avoid dependency. -template class basic_appender { - private: - detail::buffer* buffer_; - - friend auto get_container(basic_appender app) -> detail::buffer& { - return *app.buffer_; - } - - public: - using iterator_category = int; - using value_type = T; - using difference_type = ptrdiff_t; - using pointer = T*; - using reference = T&; - using container_type = detail::buffer; - FMT_UNCHECKED_ITERATOR(basic_appender); - - FMT_CONSTEXPR basic_appender(detail::buffer& buf) : buffer_(&buf) {} - - auto operator=(T c) -> basic_appender& { - buffer_->push_back(c); - return *this; - } - auto operator*() -> basic_appender& { return *this; } - auto operator++() -> basic_appender& { return *this; } - auto operator++(int) -> basic_appender { return *this; } -}; - -using appender = basic_appender; - -namespace detail { template struct is_back_insert_iterator> : std::true_type {}; -template -struct locking : std::true_type {}; -template -struct locking>::nonlocking>> - : std::false_type {}; - -template FMT_CONSTEXPR inline auto is_locking() -> bool { - return locking::value; -} -template -FMT_CONSTEXPR inline auto is_locking() -> bool { - return locking::value || is_locking(); -} +template +struct has_back_insert_iterator_container_append : std::false_type {}; +template +struct has_back_insert_iterator_container_append< + OutputIt, InputIt, + void_t()) + .append(std::declval(), + std::declval()))>> : std::true_type {}; // An optimized version of std::copy with the output value type (T). template ::value)> -auto copy(InputIt begin, InputIt end, OutputIt out) -> OutputIt { + FMT_ENABLE_IF(is_back_insert_iterator::value&& + has_back_insert_iterator_container_append< + OutputIt, InputIt>::value)> +FMT_CONSTEXPR20 auto copy(InputIt begin, InputIt end, OutputIt out) + -> OutputIt { get_container(out).append(begin, end); return out; } +template ::value && + !has_back_insert_iterator_container_append< + OutputIt, InputIt>::value)> +FMT_CONSTEXPR20 auto copy(InputIt begin, InputIt end, OutputIt out) + -> OutputIt { + auto& c = get_container(out); + c.insert(c.end(), begin, end); + return out; +} + template ::value)> FMT_CONSTEXPR auto copy(InputIt begin, InputIt end, OutputIt out) -> OutputIt { @@ -1219,22 +2040,6 @@ FMT_CONSTEXPR auto copy(basic_string_view s, OutputIt out) -> OutputIt { return copy(s.begin(), s.end(), out); } -template -constexpr auto has_const_formatter_impl(T*) - -> decltype(typename Context::template formatter_type().format( - std::declval(), std::declval()), - true) { - return true; -} -template -constexpr auto has_const_formatter_impl(...) -> bool { - return false; -} -template -constexpr auto has_const_formatter() -> bool { - return has_const_formatter_impl(static_cast(nullptr)); -} - template struct is_buffer_appender : std::false_type {}; template @@ -1266,46 +2071,19 @@ auto get_iterator(buffer&, OutputIt out) -> OutputIt { return out; } -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 is_named_arg : std::false_type {}; -template struct is_statically_named_arg : std::false_type {}; - -template -struct is_named_arg> : std::true_type {}; - -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...>(); -} - -template -constexpr auto count_statically_named_args() -> size_t { - return count::value...>(); -} - -struct unformattable {}; -struct unformattable_char : unformattable {}; -struct unformattable_pointer : unformattable {}; +// This type is intentionally undefined, only used for errors. +template struct type_is_unformattable_for; template struct string_value { const Char* data; size_t size; + auto str() const -> basic_string_view { return {data, size}; } +}; + +template struct custom_value { + using char_type = typename Context::char_type; + void* value; + void (*format)(void* arg, parse_context& parse_ctx, Context& ctx); }; template struct named_arg_value { @@ -1313,11 +2091,13 @@ template struct named_arg_value { size_t size; }; -template struct custom_value { - using parse_context = typename Context::parse_context_type; - void* value; - void (*format)(void* arg, parse_context& parse_ctx, Context& ctx); -}; +struct custom_tag {}; + +#if !FMT_BUILTIN_TYPES +# define FMT_BUILTIN , monostate +#else +# define FMT_BUILTIN +#endif // A formatting argument value. template class value { @@ -1343,223 +2123,132 @@ template class value { named_arg_value named_args; }; - constexpr FMT_ALWAYS_INLINE value() : no_value() {} - constexpr FMT_ALWAYS_INLINE value(int val) : int_value(val) {} - constexpr FMT_ALWAYS_INLINE value(unsigned val) : uint_value(val) {} - constexpr FMT_ALWAYS_INLINE value(long long val) : long_long_value(val) {} - constexpr FMT_ALWAYS_INLINE value(unsigned long long val) - : ulong_long_value(val) {} - FMT_ALWAYS_INLINE value(int128_opt val) : int128_value(val) {} - FMT_ALWAYS_INLINE value(uint128_opt val) : uint128_value(val) {} - constexpr FMT_ALWAYS_INLINE value(float val) : float_value(val) {} - constexpr FMT_ALWAYS_INLINE value(double val) : double_value(val) {} - FMT_ALWAYS_INLINE value(long double val) : long_double_value(val) {} - constexpr FMT_ALWAYS_INLINE value(bool val) : bool_value(val) {} - constexpr FMT_ALWAYS_INLINE value(char_type val) : char_value(val) {} - FMT_CONSTEXPR FMT_ALWAYS_INLINE value(const char_type* val) { - string.data = val; - if (is_constant_evaluated()) string.size = {}; - } - FMT_CONSTEXPR FMT_ALWAYS_INLINE value(basic_string_view val) { - string.data = val.data(); - string.size = val.size(); - } - FMT_ALWAYS_INLINE value(const void* val) : pointer(val) {} + constexpr FMT_INLINE value() : no_value() {} + constexpr FMT_INLINE value(signed char x) : int_value(x) {} + constexpr FMT_INLINE value(unsigned char x FMT_BUILTIN) : uint_value(x) {} + constexpr FMT_INLINE value(signed short x) : int_value(x) {} + constexpr FMT_INLINE value(unsigned short x FMT_BUILTIN) : uint_value(x) {} + constexpr FMT_INLINE value(int x) : int_value(x) {} + constexpr FMT_INLINE value(unsigned x FMT_BUILTIN) : uint_value(x) {} + FMT_CONSTEXPR FMT_INLINE value(long x FMT_BUILTIN) : value(long_type(x)) {} + FMT_CONSTEXPR FMT_INLINE value(unsigned long x FMT_BUILTIN) + : value(ulong_type(x)) {} + constexpr FMT_INLINE value(long long x FMT_BUILTIN) : long_long_value(x) {} + constexpr FMT_INLINE value(unsigned long long x FMT_BUILTIN) + : ulong_long_value(x) {} + FMT_INLINE value(int128_opt x FMT_BUILTIN) : int128_value(x) {} + FMT_INLINE value(uint128_opt x FMT_BUILTIN) : uint128_value(x) {} + constexpr FMT_INLINE value(bool x FMT_BUILTIN) : bool_value(x) {} + + template + constexpr FMT_INLINE value(bitint x FMT_BUILTIN) : long_long_value(x) { + static_assert(N <= 64, "unsupported _BitInt"); + } + template + constexpr FMT_INLINE value(ubitint x FMT_BUILTIN) : ulong_long_value(x) { + static_assert(N <= 64, "unsupported _BitInt"); + } + + template ::value)> + constexpr FMT_INLINE value(T x FMT_BUILTIN) : char_value(x) { + static_assert( + std::is_same::value || std::is_same::value, + "mixing character types is disallowed"); + } + + constexpr FMT_INLINE value(float x FMT_BUILTIN) : float_value(x) {} + constexpr FMT_INLINE value(double x FMT_BUILTIN) : double_value(x) {} + FMT_INLINE value(long double x FMT_BUILTIN) : long_double_value(x) {} + + FMT_CONSTEXPR FMT_INLINE value(char_type* x FMT_BUILTIN) { + string.data = x; + if (is_constant_evaluated()) string.size = 0; + } + FMT_CONSTEXPR FMT_INLINE value(const char_type* x FMT_BUILTIN) { + string.data = x; + if (is_constant_evaluated()) string.size = 0; + } + template , + FMT_ENABLE_IF(!std::is_pointer::value)> + FMT_CONSTEXPR value(const T& x FMT_BUILTIN) { + static_assert(std::is_same::value, + "mixing character types is disallowed"); + auto sv = to_string_view(x); + string.data = sv.data(); + string.size = sv.size(); + } + FMT_INLINE value(void* x FMT_BUILTIN) : pointer(x) {} + FMT_INLINE value(const void* x FMT_BUILTIN) : pointer(x) {} + FMT_INLINE value(volatile void* x FMT_BUILTIN) + : pointer(const_cast(x)) {} + FMT_INLINE value(const volatile void* x FMT_BUILTIN) + : pointer(const_cast(x)) {} + FMT_INLINE value(nullptr_t) : pointer(nullptr) {} + + template ::value || + std::is_member_pointer::value)> + value(const T&) { + // Formatting of arbitrary pointers is disallowed. If you want to format a + // pointer cast it to `void*` or `const void*`. In particular, this forbids + // formatting of `[const] volatile char*` printed as bool by iostreams. + static_assert(sizeof(T) == 0, + "formatting of non-void pointers is disallowed"); + } + + template ::value)> + value(const T& x) : value(format_as(x)) {} + template ::value)> + value(const T& x) : value(formatter::format_as(x)) {} + + template ::value)> + value(const T& named_arg) : value(named_arg.value) {} + + template ::value || !FMT_BUILTIN_TYPES)> + FMT_CONSTEXPR20 FMT_INLINE value(T& x) : value(x, custom_tag()) {} + FMT_ALWAYS_INLINE value(const named_arg_info* args, size_t size) : named_args{args, size} {} - template FMT_CONSTEXPR20 FMT_ALWAYS_INLINE value(T& val) { + private: + template ())> + FMT_CONSTEXPR value(T& x, custom_tag) { using value_type = remove_const_t; // T may overload operator& e.g. std::vector::reference in libc++. + if (!is_constant_evaluated()) { + custom.value = + const_cast(&reinterpret_cast(x)); + } else { + custom.value = nullptr; #if defined(__cpp_if_constexpr) - if constexpr (std::is_same::value) - custom.value = const_cast(&val); + if constexpr (std::is_same*>::value) + custom.value = const_cast(&x); #endif - if (!is_constant_evaluated()) - custom.value = const_cast(&reinterpret_cast(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< - value_type, typename Context::template formatter_type>; - } - value(unformattable); - value(unformattable_char); - value(unformattable_pointer); + } + custom.format = format_custom>; + } + + template ())> + FMT_CONSTEXPR value(const T&, custom_tag) { + // Cannot format an argument; to make type T formattable provide a + // formatter specialization: https://fmt.dev/latest/api.html#udt. + type_is_unformattable_for _; + } - private: // Formats an argument of a custom type, such as a user-defined class. template - static void format_custom_arg(void* arg, - typename Context::parse_context_type& parse_ctx, - Context& ctx) { + static void format_custom(void* arg, parse_context& parse_ctx, + Context& ctx) { auto f = Formatter(); parse_ctx.advance_to(f.parse(parse_ctx)); using qualified_type = - conditional_t(), const T, T>; + conditional_t(), const T, T>; // format must be const for compatibility with std::format and compilation. const auto& cf = f; ctx.advance_to(cf.format(*static_cast(arg), ctx)); } }; -// 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; - -template struct format_as_result { - template ::value || std::is_class::value)> - static auto map(U*) -> remove_cvref_t()))>; - static auto map(...) -> void; - - using type = decltype(map(static_cast(nullptr))); -}; -template using format_as_t = typename format_as_result::type; - -template -struct has_format_as - : bool_constant, void>::value> {}; - -#define FMT_MAP_API FMT_CONSTEXPR FMT_ALWAYS_INLINE - -// Maps formatting arguments to core types. -// arg_mapper reports errors by returning unformattable instead of using -// static_assert because it's used in the is_formattable trait. -template struct arg_mapper { - using char_type = typename Context::char_type; - - FMT_MAP_API auto map(signed char val) -> int { return val; } - FMT_MAP_API auto map(unsigned char val) -> unsigned { return val; } - FMT_MAP_API auto map(short val) -> int { return val; } - FMT_MAP_API auto map(unsigned short val) -> unsigned { return val; } - FMT_MAP_API auto map(int val) -> int { return val; } - FMT_MAP_API auto map(unsigned val) -> unsigned { return val; } - FMT_MAP_API auto map(long val) -> long_type { return val; } - FMT_MAP_API auto map(unsigned long val) -> ulong_type { return val; } - FMT_MAP_API auto map(long long val) -> long long { return val; } - FMT_MAP_API auto map(unsigned long long val) -> unsigned long long { - return val; - } - FMT_MAP_API auto map(int128_opt val) -> int128_opt { return val; } - FMT_MAP_API auto map(uint128_opt val) -> uint128_opt { return val; } - FMT_MAP_API auto map(bool val) -> bool { return val; } - - template ::value || - std::is_same::value)> - FMT_MAP_API auto map(T val) -> char_type { - return val; - } - template ::value || -#ifdef __cpp_char8_t - std::is_same::value || -#endif - std::is_same::value || - std::is_same::value) && - !std::is_same::value, - int> = 0> - FMT_MAP_API auto map(T) -> unformattable_char { - return {}; - } - - FMT_MAP_API auto map(float val) -> float { return val; } - FMT_MAP_API auto map(double val) -> double { return val; } - FMT_MAP_API auto map(long double val) -> long double { return val; } - - FMT_MAP_API auto map(char_type* val) -> const char_type* { return val; } - FMT_MAP_API auto map(const char_type* val) -> const char_type* { return val; } - template , - FMT_ENABLE_IF(std::is_same::value && - !std::is_pointer::value)> - FMT_MAP_API auto map(const T& val) -> basic_string_view { - return to_string_view(val); - } - template , - FMT_ENABLE_IF(!std::is_same::value && - !std::is_pointer::value)> - FMT_MAP_API auto map(const T&) -> unformattable_char { - return {}; - } - - FMT_MAP_API auto map(void* val) -> const void* { return val; } - FMT_MAP_API auto map(const void* val) -> const void* { return val; } - FMT_MAP_API auto map(volatile void* val) -> const void* { - return const_cast(val); - } - FMT_MAP_API auto map(const volatile void* val) -> const void* { - return const_cast(val); - } - FMT_MAP_API auto map(std::nullptr_t val) -> const void* { return val; } - - // Use SFINAE instead of a const T* parameter to avoid a conflict with the - // array overload. - template < - typename T, - FMT_ENABLE_IF( - std::is_pointer::value || std::is_member_pointer::value || - std::is_function::type>::value || - (std::is_array::value && - !std::is_convertible::value))> - FMT_CONSTEXPR auto map(const T&) -> unformattable_pointer { - return {}; - } - - template ::value)> - FMT_MAP_API auto map(const T (&values)[N]) -> const T (&)[N] { - return values; - } - - // Only map owning types because mapping views can be unsafe. - template , - FMT_ENABLE_IF(std::is_arithmetic::value)> - FMT_MAP_API auto map(const T& val) -> decltype(FMT_DECLTYPE_THIS map(U())) { - return map(format_as(val)); - } - - template > - struct formattable : bool_constant() || - (has_formatter::value && - !std::is_const::value)> {}; - - template ::value)> - FMT_MAP_API auto do_map(T& val) -> T& { - return val; - } - template ::value)> - FMT_MAP_API auto do_map(T&) -> unformattable { - return {}; - } - - // is_fundamental is used to allow formatters for extended FP types. - template , - FMT_ENABLE_IF( - (std::is_class::value || std::is_enum::value || - std::is_union::value || std::is_fundamental::value) && - !has_to_string_view::value && !is_char::value && - !is_named_arg::value && !std::is_integral::value && - !std::is_arithmetic>::value)> - FMT_MAP_API auto map(T& val) -> decltype(FMT_DECLTYPE_THIS do_map(val)) { - return do_map(val); - } - - template ::value)> - FMT_MAP_API auto map(const T& named_arg) - -> decltype(FMT_DECLTYPE_THIS 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 }; @@ -1573,19 +2262,26 @@ template <> struct is_output_iterator : std::true_type {}; template struct is_output_iterator< - It, T, void_t()++ = std::declval())>> + It, T, + void_t&>()++ = std::declval())>> : std::true_type {}; +#ifndef FMT_USE_LOCALE +# define FMT_USE_LOCALE (FMT_OPTIMIZE_SIZE <= 1) +#endif + // A type-erased reference to an std::locale to avoid a heavy include. -class locale_ref { +struct locale_ref { +#if FMT_USE_LOCALE private: const void* locale_; // A type-erased pointer to std::locale. public: constexpr locale_ref() : locale_(nullptr) {} - template explicit locale_ref(const Locale& loc); + template locale_ref(const Locale& loc); - explicit operator bool() const noexcept { return locale_ != nullptr; } + inline explicit operator bool() const noexcept { return locale_ != nullptr; } +#endif // FMT_USE_LOCALE template auto get() const -> Locale; }; @@ -1596,1255 +2292,467 @@ template constexpr auto encode_types() -> unsigned long long { template constexpr auto encode_types() -> unsigned long long { - return static_cast(mapped_type_constant::value) | + return static_cast(stored_type_constant::value) | (encode_types() << packed_arg_bits); } template -constexpr unsigned long long make_descriptor() { +constexpr auto make_descriptor() -> unsigned long long { return NUM_ARGS <= max_packed_args ? encode_types() : is_unpacked_bit | NUM_ARGS; } -// This type is intentionally undefined, only used for errors. -template -#if FMT_CLANG_VERSION && FMT_CLANG_VERSION <= 1500 -// https://github.com/fmtlib/fmt/issues/3796 -struct type_is_unformattable_for { -}; -#else -struct type_is_unformattable_for; -#endif - -template -FMT_CONSTEXPR auto make_arg(T& val) -> value { - using arg_type = remove_cvref_t().map(val))>; - - // Use enum instead of constexpr because the latter may generate code. - enum { - formattable_char = !std::is_same::value - }; - static_assert(formattable_char, "Mixing character types is disallowed."); - - // Formatting of arbitrary pointers is disallowed. If you want to format a - // pointer cast it to `void*` or `const void*`. In particular, this forbids - // formatting of `[const] volatile char*` printed as bool by iostreams. - enum { - formattable_pointer = !std::is_same::value - }; - static_assert(formattable_pointer, - "Formatting of non-void pointers is disallowed."); - - enum { formattable = !std::is_same::value }; -#if defined(__cpp_if_constexpr) - if constexpr (!formattable) - type_is_unformattable_for _; -#endif - static_assert( - formattable, - "Cannot format an argument. To make type T formattable provide a " - "formatter specialization: https://fmt.dev/latest/api.html#udt"); - return {arg_mapper().map(val)}; -} - -template -FMT_CONSTEXPR auto make_arg(T& val) -> basic_format_arg { - auto arg = basic_format_arg(); - arg.type_ = mapped_type_constant::value; - arg.value_ = make_arg(val); - return arg; -} - -template -FMT_CONSTEXPR inline auto make_arg(T& val) -> basic_format_arg { - return make_arg(val); -} - -template +template using arg_t = conditional_t, basic_format_arg>; -template ::value)> -void init_named_arg(named_arg_info*, int& arg_index, int&, const T&) { - ++arg_index; -} -template ::value)> -void init_named_arg(named_arg_info* named_args, int& arg_index, - int& named_arg_index, const T& arg) { - named_args[named_arg_index++] = {arg.name, arg_index++}; -} - -// An array of references to arguments. It can be implicitly converted to -// `fmt::basic_format_args` for passing into type-erased formatting functions -// such as `fmt::vformat`. -template -struct format_arg_store { +struct named_arg_store { // 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. - static constexpr size_t ARGS_ARR_SIZE = 1 + (NUM_ARGS != 0 ? NUM_ARGS : +1); - - arg_t args[ARGS_ARR_SIZE]; + arg_t args[1 + NUM_ARGS]; named_arg_info named_args[NUM_NAMED_ARGS]; template - FMT_MAP_API format_arg_store(T&... values) - : args{{named_args, NUM_NAMED_ARGS}, - make_arg(values)...} { - using dummy = int[]; + FMT_CONSTEXPR FMT_ALWAYS_INLINE named_arg_store(T&... values) + : args{{named_args, NUM_NAMED_ARGS}, values...} { int arg_index = 0, named_arg_index = 0; - (void)dummy{ - 0, - (init_named_arg(named_args, arg_index, named_arg_index, values), 0)...}; + FMT_APPLY_VARIADIC( + init_named_arg(named_args, arg_index, named_arg_index, values)); } - format_arg_store(format_arg_store&& rhs) { + named_arg_store(named_arg_store&& rhs) { args[0] = {named_args, NUM_NAMED_ARGS}; - for (size_t i = 1; i < ARGS_ARR_SIZE; ++i) args[i] = rhs.args[i]; + for (size_t i = 1; i < sizeof(args) / sizeof(*args); ++i) + args[i] = rhs.args[i]; for (size_t i = 0; i < NUM_NAMED_ARGS; ++i) named_args[i] = rhs.named_args[i]; } - format_arg_store(const format_arg_store& rhs) = delete; - format_arg_store& operator=(const format_arg_store& rhs) = delete; - format_arg_store& operator=(format_arg_store&& rhs) = delete; + named_arg_store(const named_arg_store& rhs) = delete; + named_arg_store& operator=(const named_arg_store& rhs) = delete; + named_arg_store& operator=(named_arg_store&& rhs) = delete; + operator const arg_t*() const { return args + 1; } }; -// A specialization of format_arg_store without named arguments. -// It is a plain struct to reduce binary size in debug mode. -template -struct format_arg_store { +// An array of references to arguments. It can be implicitly converted to +// `basic_format_args` for passing into type-erased formatting functions +// such as `vformat`. It is a plain struct to reduce binary size in debug mode. +template +struct format_arg_store { // +1 to workaround a bug in gcc 7.5 that causes duplicated-branches warning. - arg_t args[NUM_ARGS != 0 ? NUM_ARGS : +1]; + using type = + conditional_t[max_of(1, NUM_ARGS)], + named_arg_store>; + type args; }; -} // namespace detail -FMT_BEGIN_EXPORT - -// A formatting argument. Context is a template parameter for the compiled API -// where output can be unbuffered. -template class basic_format_arg { +// TYPE can be different from type_constant, e.g. for __float128. +template struct native_formatter { private: - detail::value value_; - detail::type type_; + dynamic_format_specs specs_; - template - friend FMT_CONSTEXPR auto detail::make_arg(T& value) - -> basic_format_arg; + public: + using nonlocking = void; - friend class basic_format_args; - friend class dynamic_format_arg_store; + FMT_CONSTEXPR auto parse(parse_context& ctx) -> const Char* { + if (ctx.begin() == ctx.end() || *ctx.begin() == '}') return ctx.begin(); + auto end = parse_format_specs(ctx.begin(), ctx.end(), specs_, ctx, TYPE); + if (const_check(TYPE == type::char_type)) check_char_specs(specs_); + return end; + } - using char_type = typename Context::char_type; + template + FMT_CONSTEXPR void set_debug_format(bool set = true) { + specs_.set_type(set ? presentation_type::debug : presentation_type::none); + } - template - friend struct detail::format_arg_store; + FMT_PRAGMA_CLANG(diagnostic ignored "-Wundefined-inline") + template + FMT_CONSTEXPR auto format(const T& val, FormatContext& ctx) const + -> decltype(ctx.out()); +}; - basic_format_arg(const detail::named_arg_info* args, size_t size) - : value_(args, size) {} +template +struct locking + : bool_constant::value == type::custom_type> {}; +template +struct locking>::nonlocking>> + : std::false_type {}; - public: - class handle { - public: - explicit handle(detail::custom_value custom) : custom_(custom) {} +template FMT_CONSTEXPR inline auto is_locking() -> bool { + return locking::value; +} +template +FMT_CONSTEXPR inline auto is_locking() -> bool { + return locking::value || is_locking(); +} - void format(typename Context::parse_context_type& parse_ctx, - Context& ctx) const { - custom_.format(custom_.value, parse_ctx, ctx); - } +FMT_API void vformat_to(buffer& buf, string_view fmt, format_args args, + locale_ref loc = {}); - private: - detail::custom_value custom_; - }; +#if FMT_WIN32 +FMT_API void vprint_mojibake(FILE*, string_view, format_args, bool); +#else // format_args is passed by reference since it is defined later. +inline void vprint_mojibake(FILE*, string_view, const format_args&, bool) {} +#endif +} // namespace detail - constexpr basic_format_arg() : type_(detail::type::none_type) {} +// The main public API. - constexpr explicit operator bool() const noexcept { - return type_ != detail::type::none_type; +template +FMT_CONSTEXPR void parse_context::do_check_arg_id(int arg_id) { + // Argument id is only checked at compile time during parsing because + // formatting has its own validation. + if (detail::is_constant_evaluated() && use_constexpr_cast) { + auto ctx = static_cast*>(this); + if (arg_id >= ctx->num_args()) report_error("argument not found"); } +} - auto type() const -> detail::type { return type_; } +template +FMT_CONSTEXPR void parse_context::check_dynamic_spec(int arg_id) { + using detail::compile_parse_context; + if (detail::is_constant_evaluated() && use_constexpr_cast) + static_cast*>(this)->check_dynamic_spec(arg_id); +} - auto is_integral() const -> bool { return detail::is_integral_type(type_); } - auto is_arithmetic() const -> bool { - return detail::is_arithmetic_type(type_); - } +FMT_BEGIN_EXPORT - /** - * 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`. - */ - template - FMT_CONSTEXPR FMT_INLINE auto visit(Visitor&& vis) const -> decltype(vis(0)) { - switch (type_) { - case detail::type::none_type: - break; - case detail::type::int_type: - return vis(value_.int_value); - case detail::type::uint_type: - return vis(value_.uint_value); - case detail::type::long_long_type: - return vis(value_.long_long_value); - case detail::type::ulong_long_type: - return vis(value_.ulong_long_value); - case detail::type::int128_type: - return vis(detail::convert_for_visit(value_.int128_value)); - case detail::type::uint128_type: - return vis(detail::convert_for_visit(value_.uint128_value)); - case detail::type::bool_type: - return vis(value_.bool_value); - case detail::type::char_type: - return vis(value_.char_value); - case detail::type::float_type: - return vis(value_.float_value); - case detail::type::double_type: - return vis(value_.double_value); - case detail::type::long_double_type: - return vis(value_.long_double_value); - case detail::type::cstring_type: - return vis(value_.string.data); - case detail::type::string_type: - using sv = basic_string_view; - return vis(sv(value_.string.data, value_.string.size)); - case detail::type::pointer_type: - return vis(value_.pointer); - case detail::type::custom_type: - return vis(typename basic_format_arg::handle(value_.custom)); - } - return vis(monostate()); - } +// An output iterator that appends to a buffer. It is used instead of +// back_insert_iterator to reduce symbol sizes and avoid dependency. +template class basic_appender { + protected: + detail::buffer* container; - auto format_custom(const char_type* parse_begin, - typename Context::parse_context_type& parse_ctx, - Context& ctx) -> bool { - if (type_ != detail::type::custom_type) return false; - parse_ctx.advance_to(parse_begin); - value_.custom.format(value_.custom.value, parse_ctx, ctx); - return true; + public: + using container_type = detail::buffer; + + FMT_CONSTEXPR basic_appender(detail::buffer& buf) : container(&buf) {} + + FMT_CONSTEXPR20 auto operator=(T c) -> basic_appender& { + container->push_back(c); + return *this; } + FMT_CONSTEXPR20 auto operator*() -> basic_appender& { return *this; } + FMT_CONSTEXPR20 auto operator++() -> basic_appender& { return *this; } + FMT_CONSTEXPR20 auto operator++(int) -> basic_appender { return *this; } }; -template -FMT_DEPRECATED FMT_CONSTEXPR auto visit_format_arg( - Visitor&& vis, const basic_format_arg& arg) -> decltype(vis(0)) { - return arg.visit(static_cast(vis)); -} - -/** - * 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(fmt::string_view fmt, fmt::format_args args); // OK - * fmt::format_args args = fmt::make_format_args(); // Dangling reference - */ -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; - } - constexpr 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); - } - - public: - constexpr basic_format_args() : desc_(0), args_(nullptr) {} - - /// Constructs a `basic_format_args` object from `format_arg_store`. - template - constexpr FMT_ALWAYS_INLINE basic_format_args( - const detail::format_arg_store& - store) - : desc_(DESC), values_(store.args + (NUM_NAMED_ARGS != 0 ? 1 : 0)) {} - - template detail::max_packed_args)> - constexpr basic_format_args( - const detail::format_arg_store& - store) - : desc_(DESC), args_(store.args + (NUM_NAMED_ARGS != 0 ? 1 : 0)) {} - - /// Constructs a `basic_format_args` object from `dynamic_format_arg_store`. - constexpr basic_format_args(const dynamic_format_arg_store& store) - : desc_(store.get_types()), args_(store.data()) {} - - /// Constructs a `basic_format_args` object from a dynamic list of arguments. - constexpr basic_format_args(const format_arg* args, int count) - : desc_(detail::is_unpacked_bit | detail::to_unsigned(count)), - args_(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 (static_cast(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 - FMT_CONSTEXPR 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); - } -}; - -// A formatting context. -class context { +// A formatting argument. Context is a template parameter for the compiled API +// where output can be unbuffered. +template class basic_format_arg { private: - appender out_; - basic_format_args args_; - detail::locale_ref loc_; - - public: - /// The character type for the output. - using char_type = char; - - using iterator = appender; - using format_arg = basic_format_arg; - using parse_context_type = basic_format_parse_context; - template using formatter_type = formatter; - - /// Constructs a `basic_format_context` object. References to the arguments - /// are stored in the object so make sure they have appropriate lifetimes. - FMT_CONSTEXPR context(iterator out, basic_format_args ctx_args, - detail::locale_ref loc = {}) - : out_(out), args_(ctx_args), loc_(loc) {} - context(context&&) = default; - context(const context&) = delete; - void operator=(const context&) = delete; - - FMT_CONSTEXPR auto arg(int id) const -> format_arg { return args_.get(id); } - auto arg(string_view name) -> format_arg { return args_.get(name); } - FMT_CONSTEXPR auto arg_id(string_view name) -> int { - return args_.get_id(name); - } - auto args() const -> const basic_format_args& { return args_; } - - // 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) {} - - FMT_CONSTEXPR auto locale() -> detail::locale_ref { return loc_; } -}; - -template class generic_context; - -// Longer aliases for C++20 compatibility. -template -using basic_format_context = - conditional_t::value, context, - generic_context>; -using format_context = context; - -template -using buffered_context = basic_format_context, Char>; - -template -using is_formattable = bool_constant>() - .map(std::declval()))>::value>; - -#if FMT_USE_CONCEPTS -template -concept formattable = is_formattable, Char>::value; -#endif - -/** - * Constructs an object that stores references to arguments and can be - * implicitly converted to `format_args`. `Context` can be omitted in which case - * it defaults to `format_context`. See `arg` for lifetime considerations. - */ -// Take arguments by lvalue references to avoid some lifetime issues, e.g. -// auto args = make_format_args(std::string()); -template (), - unsigned long long DESC = detail::make_descriptor(), - FMT_ENABLE_IF(NUM_NAMED_ARGS == 0)> -constexpr FMT_ALWAYS_INLINE auto make_format_args(T&... args) - -> detail::format_arg_store { - return {{detail::make_arg( - args)...}}; -} - -#ifndef FMT_DOC -template (), - unsigned long long DESC = - detail::make_descriptor() | - static_cast(detail::has_named_args_bit), - FMT_ENABLE_IF(NUM_NAMED_ARGS != 0)> -constexpr auto make_format_args(T&... args) - -> detail::format_arg_store { - return {args...}; -} -#endif - -/** - * 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("The answer is {answer}.", fmt::arg("answer", 42)); - */ -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}; -} -FMT_END_EXPORT - -/// An alias for `basic_format_args`. -// A separate type would result in shorter symbols but break ABI compatibility -// between clang and gcc on ARM (#1919). -FMT_EXPORT using format_args = basic_format_args; - -// We cannot use enum classes as bit fields because of a gcc bug, so we put them -// in namespaces instead (https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61414). -// Additionally, if an underlying type is specified, older gcc incorrectly warns -// that the type is too small. Both bugs are fixed in gcc 9.3. -#if FMT_GCC_VERSION && FMT_GCC_VERSION < 903 -# define FMT_ENUM_UNDERLYING_TYPE(type) -#else -# define FMT_ENUM_UNDERLYING_TYPE(type) : type -#endif -namespace align { -enum type FMT_ENUM_UNDERLYING_TYPE(unsigned char){none, left, right, center, - numeric}; -} -using align_t = align::type; -namespace sign { -enum type FMT_ENUM_UNDERLYING_TYPE(unsigned char){none, minus, plus, space}; -} -using sign_t = sign::type; - -namespace detail { + detail::value value_; + detail::type type_; -template -using unsigned_char = typename conditional_t::value, - std::make_unsigned, - type_identity>::type; + friend class basic_format_args; -// Character (code unit) type is erased to prevent template bloat. -struct fill_t { - private: - enum { max_size = 4 }; - char data_[max_size] = {' '}; - unsigned char size_ = 1; + using char_type = typename Context::char_type; public: - template - FMT_CONSTEXPR void operator=(basic_string_view s) { - auto size = s.size(); - size_ = static_cast(size); - if (size == 1) { - unsigned uchar = static_cast>(s[0]); - data_[0] = static_cast(uchar); - data_[1] = static_cast(uchar >> 8); - return; - } - FMT_ASSERT(size <= max_size, "invalid fill"); - for (size_t i = 0; i < size; ++i) data_[i] = static_cast(s[i]); - } - - FMT_CONSTEXPR void operator=(char c) { - data_[0] = c; - size_ = 1; - } - - constexpr auto size() const -> size_t { return size_; } - - template constexpr auto get() const -> Char { - using uchar = unsigned char; - return static_cast(static_cast(data_[0]) | - (static_cast(data_[1]) << 8)); - } - - template ::value)> - constexpr auto data() const -> const Char* { - return data_; - } - template ::value)> - constexpr auto data() const -> const Char* { - return nullptr; - } -}; -} // namespace detail - -enum class presentation_type : unsigned char { - // Common specifiers: - none = 0, - debug = 1, // '?' - string = 2, // 's' (string, bool) - - // Integral, bool and character specifiers: - dec = 3, // 'd' - hex, // 'x' or 'X' - oct, // 'o' - bin, // 'b' or 'B' - chr, // 'c' - - // String and pointer specifiers: - pointer = 3, // 'p' - - // Floating-point specifiers: - exp = 1, // 'e' or 'E' (1 since there is no FP debug presentation) - fixed, // 'f' or 'F' - general, // 'g' or 'G' - hexfloat // 'a' or 'A' -}; - -// Format specifiers for built-in and string types. -struct format_specs { - int width; - int precision; - presentation_type type; - align_t align : 4; - sign_t sign : 3; - bool upper : 1; // An uppercase version e.g. 'X' for 'x'. - bool alt : 1; // Alternate form ('#'). - bool localized : 1; - detail::fill_t fill; - - constexpr format_specs() - : width(0), - precision(-1), - type(presentation_type::none), - align(align::none), - sign(sign::none), - upper(false), - alt(false), - localized(false) {} -}; - -namespace detail { - -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 idx = 0) : index(idx) {} - 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 reusing the same parsed specifiers with -// different sets of arguments (precompilation of format strings). -template struct dynamic_format_specs : format_specs { - arg_ref width_ref; - arg_ref precision_ref; -}; - -// Converts a character to ASCII. Returns '\0' on conversion failure. -template ::value)> -constexpr auto to_ascii(Char c) -> char { - return c <= 0xff ? static_cast(c) : '\0'; -} - -// Returns the number of code units in a code point or 1 on error. -template -FMT_CONSTEXPR auto code_point_length(const Char* begin) -> int { - if (const_check(sizeof(Char) != 1)) return 1; - auto c = static_cast(*begin); - return static_cast((0x3a55000000000000ull >> (2 * (c >> 3))) & 0x3) + 1; -} - -// 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(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; - int digits10 = static_cast(sizeof(int) * CHAR_BIT * 3 / 10); - if (num_digits <= digits10) return static_cast(value); - // Check for overflow. - unsigned max = INT_MAX; - return num_digits == digits10 + 1 && - prev * 10ull + unsigned(p[-1] - '0') <= max - ? static_cast(value) - : error_value; -} - -FMT_CONSTEXPR inline auto parse_align(char c) -> align_t { - switch (c) { - case '<': - return align::left; - case '>': - return align::right; - case '^': - return align::center; - } - return align::none; -} - -template constexpr auto is_name_start(Char c) -> bool { - return ('a' <= c && c <= 'z') || ('A' <= c && c <= 'Z') || c == '_'; -} - -template -FMT_CONSTEXPR auto do_parse_arg_id(const Char* begin, const Char* end, - Handler&& handler) -> const Char* { - Char c = *begin; - if (c >= '0' && c <= '9') { - int index = 0; - if (c != '0') - index = parse_nonnegative_int(begin, end, INT_MAX); - else - ++begin; - if (begin == end || (*begin != '}' && *begin != ':')) - report_error("invalid format string"); - else - handler.on_index(index); - return begin; - } - if (!is_name_start(c)) { - report_error("invalid format string"); - return begin; - } - auto it = begin; - do { - ++it; - } while (it != end && (is_name_start(*it) || ('0' <= *it && *it <= '9'))); - handler.on_name({begin, to_unsigned(it - begin)}); - return it; -} - -template -FMT_CONSTEXPR auto parse_arg_id(const Char* begin, const Char* end, - Handler&& handler) -> const Char* { - FMT_ASSERT(begin != end, ""); - Char c = *begin; - if (c != '}' && c != ':') return do_parse_arg_id(begin, end, handler); - handler.on_auto(); - return begin; -} - -template struct dynamic_spec_id_handler { - basic_format_parse_context& ctx; - arg_ref& ref; - - FMT_CONSTEXPR void on_auto() { - int id = ctx.next_arg_id(); - ref = arg_ref(id); - ctx.check_dynamic_spec(id); - } - FMT_CONSTEXPR void on_index(int id) { - ref = arg_ref(id); - ctx.check_arg_id(id); - ctx.check_dynamic_spec(id); - } - FMT_CONSTEXPR void on_name(basic_string_view id) { - ref = arg_ref(id); - ctx.check_arg_id(id); - } -}; - -// Parses [integer | "{" [arg_id] "}"]. -template -FMT_CONSTEXPR auto parse_dynamic_spec(const Char* begin, const Char* end, - int& value, arg_ref& ref, - basic_format_parse_context& ctx) - -> const Char* { - FMT_ASSERT(begin != end, ""); - if ('0' <= *begin && *begin <= '9') { - int val = parse_nonnegative_int(begin, end, -1); - if (val != -1) - value = val; - else - report_error("number is too big"); - } else if (*begin == '{') { - ++begin; - auto handler = dynamic_spec_id_handler{ctx, ref}; - if (begin != end) begin = parse_arg_id(begin, end, handler); - if (begin != end && *begin == '}') return ++begin; - report_error("invalid format string"); - } - return begin; -} - -template -FMT_CONSTEXPR auto parse_precision(const Char* begin, const Char* end, - int& value, arg_ref& ref, - basic_format_parse_context& ctx) - -> const Char* { - ++begin; - if (begin == end || *begin == '}') { - report_error("invalid precision"); - return begin; - } - return parse_dynamic_spec(begin, end, value, ref, ctx); -} - -enum class state { start, align, sign, hash, zero, width, precision, locale }; - -// Parses standard format specifiers. -template -FMT_CONSTEXPR auto parse_format_specs(const Char* begin, const Char* end, - dynamic_format_specs& specs, - basic_format_parse_context& ctx, - type arg_type) -> const Char* { - auto c = '\0'; - if (end - begin > 1) { - auto next = to_ascii(begin[1]); - c = parse_align(next) == align::none ? to_ascii(*begin) : '\0'; - } else { - if (begin == end) return begin; - c = to_ascii(*begin); - } - - struct { - state current_state = state::start; - FMT_CONSTEXPR void operator()(state s, bool valid = true) { - if (current_state >= s || !valid) - report_error("invalid format specifier"); - current_state = s; - } - } enter_state; - - using pres = presentation_type; - constexpr auto integral_set = sint_set | uint_set | bool_set | char_set; - struct { - const Char*& begin; - dynamic_format_specs& specs; - type arg_type; - - FMT_CONSTEXPR auto operator()(pres pres_type, int set) -> const Char* { - if (!in(arg_type, set)) { - if (arg_type == type::none_type) return begin; - report_error("invalid format specifier"); - } - specs.type = pres_type; - return begin + 1; - } - } parse_presentation_type{begin, specs, arg_type}; - - for (;;) { - switch (c) { - case '<': - case '>': - case '^': - enter_state(state::align); - specs.align = parse_align(c); - ++begin; - break; - case '+': - case '-': - case ' ': - if (arg_type == type::none_type) return begin; - enter_state(state::sign, in(arg_type, sint_set | float_set)); - switch (c) { - case '+': - specs.sign = sign::plus; - break; - case '-': - specs.sign = sign::minus; - break; - case ' ': - specs.sign = sign::space; - break; - } - ++begin; - break; - case '#': - if (arg_type == type::none_type) return begin; - enter_state(state::hash, is_arithmetic_type(arg_type)); - specs.alt = true; - ++begin; - break; - case '0': - enter_state(state::zero); - if (!is_arithmetic_type(arg_type)) { - if (arg_type == type::none_type) return begin; - report_error("format specifier requires numeric argument"); - } - if (specs.align == align::none) { - // Ignore 0 if align is specified for compatibility with std::format. - specs.align = align::numeric; - specs.fill = '0'; - } - ++begin; - break; - case '1': - case '2': - case '3': - case '4': - case '5': - case '6': - case '7': - case '8': - case '9': - case '{': - enter_state(state::width); - begin = parse_dynamic_spec(begin, end, specs.width, specs.width_ref, ctx); - break; - case '.': - if (arg_type == type::none_type) return begin; - enter_state(state::precision, - in(arg_type, float_set | string_set | cstring_set)); - begin = parse_precision(begin, end, specs.precision, specs.precision_ref, - ctx); - break; - case 'L': - if (arg_type == type::none_type) return begin; - enter_state(state::locale, is_arithmetic_type(arg_type)); - specs.localized = true; - ++begin; - break; - case 'd': - return parse_presentation_type(pres::dec, integral_set); - case 'X': - specs.upper = true; - FMT_FALLTHROUGH; - case 'x': - return parse_presentation_type(pres::hex, integral_set); - case 'o': - return parse_presentation_type(pres::oct, integral_set); - case 'B': - specs.upper = true; - FMT_FALLTHROUGH; - case 'b': - return parse_presentation_type(pres::bin, integral_set); - case 'E': - specs.upper = true; - FMT_FALLTHROUGH; - case 'e': - return parse_presentation_type(pres::exp, float_set); - case 'F': - specs.upper = true; - FMT_FALLTHROUGH; - case 'f': - return parse_presentation_type(pres::fixed, float_set); - case 'G': - specs.upper = true; - FMT_FALLTHROUGH; - case 'g': - return parse_presentation_type(pres::general, float_set); - case 'A': - specs.upper = true; - FMT_FALLTHROUGH; - case 'a': - return parse_presentation_type(pres::hexfloat, float_set); - case 'c': - if (arg_type == type::bool_type) report_error("invalid format specifier"); - return parse_presentation_type(pres::chr, integral_set); - case 's': - return parse_presentation_type(pres::string, - bool_set | string_set | cstring_set); - case 'p': - return parse_presentation_type(pres::pointer, pointer_set | cstring_set); - case '?': - return parse_presentation_type(pres::debug, - char_set | string_set | cstring_set); - case '}': - return begin; - default: { - if (*begin == '}') return begin; - // Parse fill and alignment. - auto fill_end = begin + code_point_length(begin); - if (end - fill_end <= 0) { - report_error("invalid format specifier"); - return begin; - } - if (*begin == '{') { - report_error("invalid fill character '{'"); - return begin; - } - auto align = parse_align(to_ascii(*fill_end)); - enter_state(state::align, align != align::none); - specs.fill = - basic_string_view(begin, to_unsigned(fill_end - begin)); - specs.align = align; - begin = fill_end + 1; - } - } - if (begin == end) return begin; - c = to_ascii(*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 on_auto() { arg_id = handler.on_arg_id(); } - FMT_CONSTEXPR void on_index(int id) { arg_id = handler.on_arg_id(id); } - FMT_CONSTEXPR void on_name(basic_string_view id) { - arg_id = handler.on_arg_id(id); - } - }; + class handle { + private: + detail::custom_value custom_; - ++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; + public: + explicit handle(detail::custom_value custom) : custom_(custom) {} + + void format(parse_context& parse_ctx, Context& ctx) const { + custom_.format(custom_.value, parse_ctx, ctx); } + }; + + constexpr basic_format_arg() : type_(detail::type::none_type) {} + basic_format_arg(const detail::named_arg_info* args, size_t size) + : value_(args, size) {} + template + basic_format_arg(T&& val) + : value_(val), type_(detail::stored_type_constant::value) {} + + constexpr explicit operator bool() const noexcept { + return type_ != detail::type::none_type; } - return begin + 1; -} + auto type() const -> detail::type { return type_; } -template -FMT_CONSTEXPR void parse_format_string(basic_string_view format_str, - Handler&& handler) { - 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* from, const Char* to) { - if (from == to) return; - for (;;) { - const Char* p = nullptr; - if (!find(from, to, Char('}'), p)) - return handler_.on_text(from, to); - ++p; - if (p == to || *p != '}') - return handler_.on_error("unmatched '}' in format string"); - handler_.on_text(from, p); - from = p + 1; - } + /** + * 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`. + */ + template + FMT_CONSTEXPR FMT_INLINE auto visit(Visitor&& vis) const -> decltype(vis(0)) { + using detail::map; + switch (type_) { + case detail::type::none_type: break; + case detail::type::int_type: return vis(value_.int_value); + case detail::type::uint_type: return vis(value_.uint_value); + case detail::type::long_long_type: return vis(value_.long_long_value); + case detail::type::ulong_long_type: return vis(value_.ulong_long_value); + case detail::type::int128_type: return vis(map(value_.int128_value)); + case detail::type::uint128_type: return vis(map(value_.uint128_value)); + case detail::type::bool_type: return vis(value_.bool_value); + case detail::type::char_type: return vis(value_.char_value); + case detail::type::float_type: return vis(value_.float_value); + case detail::type::double_type: return vis(value_.double_value); + case detail::type::long_double_type: return vis(value_.long_double_value); + case detail::type::cstring_type: return vis(value_.string.data); + case detail::type::string_type: return vis(value_.string.str()); + case detail::type::pointer_type: return vis(value_.pointer); + case detail::type::custom_type: return vis(handle(value_.custom)); } - 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, Char('{'), p)) - return write(begin, end); - write(begin, p); - begin = parse_replacement_field(p, end, handler); + return vis(monostate()); } -} -template ::value> struct strip_named_arg { - using type = T; -}; -template struct strip_named_arg { - using type = remove_cvref_t; + auto format_custom(const char_type* parse_begin, + parse_context& parse_ctx, Context& ctx) + -> bool { + if (type_ != detail::type::custom_type) return false; + parse_ctx.advance_to(parse_begin); + value_.custom.format(value_.custom.value, parse_ctx, ctx); + return true; + } }; -template -FMT_VISIBILITY("hidden") // Suppress an ld warning on macOS (#3769). -FMT_CONSTEXPR auto parse_format_specs(ParseContext& ctx) - -> decltype(ctx.begin()) { - using char_type = typename ParseContext::char_type; - using context = buffered_context; - using mapped_type = conditional_t< - mapped_type_constant::value != type::custom_type, - decltype(arg_mapper().map(std::declval())), - typename strip_named_arg::type>; -#if defined(__cpp_if_constexpr) - if constexpr (std::is_default_constructible< - formatter>::value) { - return formatter().parse(ctx); - } else { - type_is_unformattable_for _; - return ctx.begin(); - } -#else - return formatter().parse(ctx); -#endif -} +/** + * 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(fmt::string_view fmt, fmt::format_args args); // OK + * fmt::format_args args = fmt::make_format_args(); // Dangling reference + */ +template class basic_format_args { + 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 basic_format_arg* args_; + }; -// Checks char specs and returns true iff the presentation type is char-like. -FMT_CONSTEXPR inline auto check_char_specs(const format_specs& specs) -> bool { - if (specs.type != presentation_type::none && - specs.type != presentation_type::chr && - specs.type != presentation_type::debug) { - return false; + constexpr auto is_packed() const -> bool { + return (desc_ & detail::is_unpacked_bit) == 0; + } + constexpr auto has_named_args() const -> bool { + return (desc_ & detail::has_named_args_bit) != 0; } - if (specs.align == align::numeric || specs.sign != sign::none || specs.alt) - report_error("invalid format specifier for char"); - return true; -} -#if FMT_USE_NONTYPE_TEMPLATE_ARGS -template -constexpr auto get_arg_index_by_name(basic_string_view name) -> int { - if constexpr (is_statically_named_arg()) { - if (name == T::name) return N; + FMT_CONSTEXPR auto type(int index) const -> detail::type { + int shift = index * detail::packed_arg_bits; + unsigned mask = (1 << detail::packed_arg_bits) - 1; + return static_cast((desc_ >> shift) & mask); } - if constexpr (sizeof...(Args) > 0) - return get_arg_index_by_name(name); - (void)name; // Workaround an MSVC bug about "unused" parameter. - return -1; -} -#endif -template -FMT_CONSTEXPR auto get_arg_index_by_name(basic_string_view name) -> int { -#if FMT_USE_NONTYPE_TEMPLATE_ARGS - if constexpr (sizeof...(Args) > 0) - return get_arg_index_by_name<0, Args...>(name); -#endif - (void)name; - return -1; -} + template + using store = + detail::format_arg_store; -template class format_string_checker { - private: - using parse_context_type = compile_parse_context; - static constexpr int num_args = sizeof...(Args); + public: + using format_arg = basic_format_arg; - // Format specifier parsing function. - // In the future basic_format_parse_context will replace compile_parse_context - // here and will use is_constant_evaluated and downcasting to access the data - // needed for compile-time checks: https://godbolt.org/z/GvWzcTjh1. - using parse_func = const Char* (*)(parse_context_type&); + constexpr basic_format_args() : desc_(0), args_(nullptr) {} - type types_[num_args > 0 ? static_cast(num_args) : 1]; - parse_context_type context_; - parse_func parse_funcs_[num_args > 0 ? static_cast(num_args) : 1]; + /// Constructs a `basic_format_args` object from `format_arg_store`. + template + constexpr FMT_ALWAYS_INLINE basic_format_args( + const store& s) + : desc_(DESC | (NUM_NAMED_ARGS != 0 ? +detail::has_named_args_bit : 0)), + values_(s.args) {} - public: - explicit FMT_CONSTEXPR format_string_checker(basic_string_view fmt) - : types_{mapped_type_constant>::value...}, - context_(fmt, num_args, types_), - parse_funcs_{&parse_format_specs...} {} + template detail::max_packed_args)> + constexpr basic_format_args(const store& s) + : desc_(DESC | (NUM_NAMED_ARGS != 0 ? +detail::has_named_args_bit : 0)), + args_(s.args) {} - FMT_CONSTEXPR void on_text(const Char*, const Char*) {} + /// Constructs a `basic_format_args` object from a dynamic list of arguments. + constexpr basic_format_args(const format_arg* args, int count, + bool has_named = false) + : desc_(detail::is_unpacked_bit | detail::to_unsigned(count) | + (has_named ? +detail::has_named_args_bit : 0)), + args_(args) {} - 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_ARGS - auto index = get_arg_index_by_name(id); - if (index < 0) on_error("named argument is not found"); - return index; -#else - (void)id; - on_error("compile-time checks for named arguments require C++20 support"); - return 0; -#endif + /// Returns the argument with the specified id. + FMT_CONSTEXPR auto get(int id) const -> format_arg { + auto arg = format_arg(); + if (!is_packed()) { + if (id < max_size()) arg = args_[id]; + return arg; + } + if (static_cast(id) >= detail::max_packed_args) return arg; + arg.type_ = type(id); + if (arg.type_ != detail::type::none_type) arg.value_ = values_[id]; + return arg; } - FMT_CONSTEXPR void on_replacement_field(int id, const Char* begin) { - on_format_specs(id, begin, begin); // Call parse() on empty specs. + template + auto get(basic_string_view name) const -> format_arg { + int id = get_id(name); + return id >= 0 ? get(id) : format_arg(); } - FMT_CONSTEXPR auto on_format_specs(int id, const Char* begin, const Char*) - -> const Char* { - context_.advance_to(begin); - // id >= 0 check is a workaround for gcc 10 bug (#2065). - return id >= 0 && id < num_args ? parse_funcs_[id](context_) : begin; + template + FMT_CONSTEXPR 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; } - FMT_NORETURN FMT_CONSTEXPR void on_error(const char* message) { - report_error(message); + 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); } }; -// A base class for compile-time strings. -struct compile_string {}; +// A formatting context. +class context { + private: + appender out_; + format_args args_; + FMT_NO_UNIQUE_ADDRESS detail::locale_ref loc_; -template -using is_compile_string = std::is_base_of; + public: + /// The character type for the output. + using char_type = char; -// Reports a compile-time error if S is not a valid format string. -template ::value)> -FMT_ALWAYS_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 format_str) { - using char_t = typename S::char_type; - FMT_CONSTEXPR auto s = basic_string_view(format_str); - using checker = format_string_checker...>; - FMT_CONSTEXPR bool error = (parse_format_string(s, checker(s)), true); - ignore_unused(error); -} + using iterator = appender; + using format_arg = basic_format_arg; + using parse_context_type FMT_DEPRECATED = parse_context<>; + template using formatter_type FMT_DEPRECATED = formatter; + enum { builtin_types = FMT_BUILTIN_TYPES }; -// Report truncation to prevent silent data loss. -inline void report_truncation(bool truncated) { - if (truncated) report_error("output is truncated"); -} + /// Constructs a `context` object. References to the arguments are stored + /// in the object so make sure they have appropriate lifetimes. + FMT_CONSTEXPR context(iterator out, format_args args, + detail::locale_ref loc = {}) + : out_(out), args_(args), loc_(loc) {} + context(context&&) = default; + context(const context&) = delete; + void operator=(const context&) = delete; -// Use vformat_args and avoid type_identity to keep symbols short and workaround -// a GCC <= 4.8 bug. -template struct vformat_args { - using type = basic_format_args>; -}; -template <> struct vformat_args { - using type = format_args; + FMT_CONSTEXPR auto arg(int id) const -> format_arg { return args_.get(id); } + inline auto arg(string_view name) const -> format_arg { + return args_.get(name); + } + FMT_CONSTEXPR auto arg_id(string_view name) const -> int { + return args_.get_id(name); + } + auto args() const -> const format_args& { return args_; } + + // Returns an iterator to the beginning of the output range. + FMT_CONSTEXPR auto out() const -> iterator { return out_; } + + // Advances the begin iterator to `it`. + FMT_CONSTEXPR void advance_to(iterator) {} + + FMT_CONSTEXPR auto locale() const -> detail::locale_ref { return loc_; } }; -template -void vformat_to(buffer& buf, basic_string_view fmt, - typename vformat_args::type args, locale_ref loc = {}); +template struct runtime_format_string { + basic_string_view str; +}; -FMT_API void vprint_mojibake(FILE*, string_view, format_args, bool = false); -#ifndef _WIN32 -inline void vprint_mojibake(FILE*, string_view, format_args, bool) {} -#endif +/** + * Creates a runtime format string. + * + * **Example**: + * + * // Check format string at runtime instead of compile-time. + * fmt::print(fmt::runtime("{:d}"), "I am not a number"); + */ +inline auto runtime(string_view s) -> runtime_format_string<> { return {{s}}; } -template struct native_formatter { +/// A compile-time format string. Use `format_string` in the public API to +/// prevent type deduction. +template struct fstring { private: - dynamic_format_specs specs_; + static constexpr int num_static_named_args = + detail::count_static_named_args(); - public: - using nonlocking = void; + using checker = detail::format_string_checker< + char, static_cast(sizeof...(T)), num_static_named_args, + num_static_named_args != detail::count_named_args()>; - template - FMT_CONSTEXPR auto parse(ParseContext& ctx) -> const Char* { - if (ctx.begin() == ctx.end() || *ctx.begin() == '}') return ctx.begin(); - auto end = parse_format_specs(ctx.begin(), ctx.end(), specs_, ctx, TYPE); - if (const_check(TYPE == type::char_type)) check_char_specs(specs_); - return end; - } + using arg_pack = detail::arg_pack; - template - FMT_CONSTEXPR void set_debug_format(bool set = true) { - specs_.type = set ? presentation_type::debug : presentation_type::none; + public: + string_view str; + using t = fstring; + + // Reports a compile-time error if S is not a valid format string for T. + template + FMT_CONSTEVAL FMT_ALWAYS_INLINE fstring(const char (&s)[N]) : str(s, N - 1) { + using namespace detail; + static_assert(count<(std::is_base_of>::value && + std::is_reference::value)...>() == 0, + "passing views as lvalues is disallowed"); + if (FMT_USE_CONSTEVAL) parse_format_string(s, checker(s, arg_pack())); +#ifdef FMT_ENFORCE_COMPILE_STRING + static_assert( + FMT_USE_CONSTEVAL && sizeof(s) != 0, + "FMT_ENFORCE_COMPILE_STRING requires format strings to use FMT_STRING"); +#endif } - - template - FMT_CONSTEXPR auto format(const T& val, FormatContext& ctx) const - -> decltype(ctx.out()); + template ::value)> + FMT_CONSTEVAL FMT_ALWAYS_INLINE fstring(const S& s) : str(s) { + auto sv = string_view(str); + if (FMT_USE_CONSTEVAL) + detail::parse_format_string(sv, checker(sv, arg_pack())); +#ifdef FMT_ENFORCE_COMPILE_STRING + static_assert( + FMT_USE_CONSTEVAL && sizeof(s) != 0, + "FMT_ENFORCE_COMPILE_STRING requires format strings to use FMT_STRING"); +#endif + } + template ::value&& + std::is_same::value)> + FMT_ALWAYS_INLINE fstring(const S&) : str(S()) { + FMT_CONSTEXPR auto sv = string_view(S()); + FMT_CONSTEXPR int ignore = + (parse_format_string(sv, checker(sv, arg_pack())), 0); + detail::ignore_unused(ignore); + } + fstring(runtime_format_string<> fmt) : str(fmt.str) {} + + // Returning by reference generates better code in debug mode. + FMT_ALWAYS_INLINE operator const string_view&() const { return str; } + auto get() const -> string_view { return str; } }; -} // namespace detail -FMT_BEGIN_EXPORT +template using format_string = typename fstring::t; + +template +using is_formattable = bool_constant::value, int*, T>, Char>, + void>::value>; +#ifdef __cpp_concepts +template +concept formattable = is_formattable, Char>::value; +#endif + +template +using has_formatter FMT_DEPRECATED = std::is_constructible>; // A formatter specialization for natively supported types. template @@ -2854,62 +2762,42 @@ struct formatter::value> { }; -template struct runtime_format_string { - basic_string_view str; -}; - -/// A compile-time format string. -template class basic_format_string { - private: - basic_string_view str_; - - public: - template < - typename S, - FMT_ENABLE_IF( - std::is_convertible>::value || - (detail::is_compile_string::value && - std::is_constructible, const S&>::value))> - FMT_CONSTEVAL FMT_ALWAYS_INLINE 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"); -#if FMT_USE_CONSTEVAL - if constexpr (detail::count_named_args() == - detail::count_statically_named_args()) { - using checker = - detail::format_string_checker...>; - detail::parse_format_string(str_, checker(s)); - } -#else - detail::check_format_string(s); -#endif - } - basic_format_string(runtime_format_string fmt) : str_(fmt.str) {} +/** + * Constructs an object that stores references to arguments and can be + * implicitly converted to `format_args`. `Context` can be omitted in which case + * it defaults to `context`. See `arg` for lifetime considerations. + */ +// Take arguments by lvalue references to avoid some lifetime issues, e.g. +// auto args = make_format_args(std::string()); +template (), + unsigned long long DESC = detail::make_descriptor()> +constexpr FMT_ALWAYS_INLINE auto make_format_args(T&... args) + -> detail::format_arg_store { + // Suppress warnings for pathological types convertible to detail::value. + FMT_PRAGMA_GCC(diagnostic ignored "-Wconversion") + return {{args...}}; +} - FMT_ALWAYS_INLINE operator basic_string_view() const { return str_; } - auto get() const -> basic_string_view { return str_; } -}; +template +using vargs = + detail::format_arg_store(), + detail::make_descriptor()>; -#if FMT_GCC_VERSION && FMT_GCC_VERSION < 409 -// Workaround broken conversion on older gcc. -template using format_string = string_view; -inline auto runtime(string_view s) -> string_view { return s; } -#else -template -using format_string = basic_format_string...>; /** - * Creates a runtime format string. + * Returns a named argument to be used in a formatting function. + * It should only be used in a call to a formatting function. * * **Example**: * - * // Check format string at runtime instead of compile-time. - * fmt::print(fmt::runtime("{:d}"), "I am not a number"); + * fmt::print("The answer is {answer}.", fmt::arg("answer", 42)); */ -inline auto runtime(string_view s) -> runtime_format_string<> { return {{s}}; } -#endif +template +inline auto arg(const Char* name, const T& arg) -> detail::named_arg { + return {name, arg}; +} /// Formats a string and writes the output to `out`. template ::value)> FMT_INLINE auto format_to(OutputIt&& out, format_string fmt, T&&... args) -> remove_cvref_t { - return vformat_to(FMT_FWD(out), fmt, fmt::make_format_args(args...)); + return vformat_to(out, fmt.str, vargs{{args...}}); } template struct format_to_n_result { @@ -2967,41 +2855,33 @@ template ::value)> FMT_INLINE auto format_to_n(OutputIt out, size_t n, format_string fmt, T&&... args) -> format_to_n_result { - return vformat_to_n(out, n, fmt, fmt::make_format_args(args...)); + return vformat_to_n(out, n, fmt.str, vargs{{args...}}); } -template struct format_to_result { - /// Iterator pointing to just after the last successful write in the range. - OutputIt out; + /// Pointer to just after the last successful write in the array. + char* out; /// Specifies if the output was truncated. bool truncated; - FMT_CONSTEXPR operator OutputIt&() & { - detail::report_truncation(truncated); - return out; - } - FMT_CONSTEXPR operator const OutputIt&() const& { - detail::report_truncation(truncated); + FMT_CONSTEXPR operator char*() const { + // Report truncation to prevent silent data loss. + if (truncated) report_error("output is truncated"); return out; } - FMT_CONSTEXPR operator OutputIt&&() && { - detail::report_truncation(truncated); - return static_cast(out); - } }; template auto vformat_to(char (&out)[N], string_view fmt, format_args args) - -> format_to_result { + -> format_to_result { auto result = vformat_to_n(out, N, fmt, args); return {result.out, result.size > N}; } template FMT_INLINE auto format_to(char (&out)[N], format_string fmt, T&&... args) - -> format_to_result { - auto result = fmt::format_to_n(out, N, fmt, static_cast(args)...); + -> format_to_result { + auto result = vformat_to_n(out, N, fmt.str, vargs{{args...}}); return {result.out, result.size > N}; } @@ -3010,14 +2890,14 @@ template FMT_NODISCARD FMT_INLINE auto formatted_size(format_string fmt, T&&... args) -> size_t { auto buf = detail::counting_buffer<>(); - detail::vformat_to(buf, fmt, fmt::make_format_args(args...), {}); + detail::vformat_to(buf, fmt.str, vargs{{args...}}, {}); return buf.count(); } FMT_API void vprint(string_view fmt, format_args args); FMT_API void vprint(FILE* f, string_view fmt, format_args args); -FMT_API void vprint_buffered(FILE* f, string_view fmt, format_args args); FMT_API void vprintln(FILE* f, string_view fmt, format_args args); +FMT_API void vprint_buffered(FILE* f, string_view fmt, format_args args); /** * Formats `args` according to specifications in `fmt` and writes the output @@ -3029,10 +2909,11 @@ FMT_API void vprintln(FILE* f, string_view fmt, format_args args); */ template FMT_INLINE void print(format_string fmt, T&&... args) { - const auto& vargs = fmt::make_format_args(args...); - if (!detail::use_utf8()) return detail::vprint_mojibake(stdout, fmt, vargs); - return detail::is_locking() ? vprint_buffered(stdout, fmt, vargs) - : vprint(fmt, vargs); + vargs va = {{args...}}; + if (detail::const_check(!detail::use_utf8)) + return detail::vprint_mojibake(stdout, fmt.str, va, false); + return detail::is_locking() ? vprint_buffered(stdout, fmt.str, va) + : vprint(fmt.str, va); } /** @@ -3045,19 +2926,21 @@ FMT_INLINE void print(format_string fmt, T&&... args) { */ template FMT_INLINE void print(FILE* f, format_string fmt, T&&... args) { - const auto& vargs = fmt::make_format_args(args...); - if (!detail::use_utf8()) return detail::vprint_mojibake(f, fmt, vargs); - return detail::is_locking() ? vprint_buffered(f, fmt, vargs) - : vprint(f, fmt, vargs); + vargs va = {{args...}}; + if (detail::const_check(!detail::use_utf8)) + return detail::vprint_mojibake(f, fmt.str, va, false); + return detail::is_locking() ? vprint_buffered(f, fmt.str, va) + : vprint(f, fmt.str, va); } /// Formats `args` according to specifications in `fmt` and writes the output /// to the file `f` followed by a newline. template FMT_INLINE void println(FILE* f, format_string fmt, T&&... args) { - const auto& vargs = fmt::make_format_args(args...); - return detail::use_utf8() ? vprintln(f, fmt, vargs) - : detail::vprint_mojibake(f, fmt, vargs, true); + vargs va = {{args...}}; + return detail::const_check(detail::use_utf8) + ? vprintln(f, fmt.str, va) + : detail::vprint_mojibake(f, fmt.str, va, true); } /// Formats `args` according to specifications in `fmt` and writes the output @@ -3068,7 +2951,8 @@ FMT_INLINE void println(format_string fmt, T&&... args) { } FMT_END_EXPORT -FMT_GCC_PRAGMA("GCC pop_options") +FMT_PRAGMA_CLANG(diagnostic pop) +FMT_PRAGMA_GCC(pop_options) FMT_END_NAMESPACE #ifdef FMT_HEADER_ONLY diff --git a/thirdparty/fmt/include/fmt/chrono.h b/thirdparty/fmt/include/fmt/chrono.h index c93123fd3..50c777c84 100644 --- a/thirdparty/fmt/include/fmt/chrono.h +++ b/thirdparty/fmt/include/fmt/chrono.h @@ -22,39 +22,22 @@ #include "format.h" -FMT_BEGIN_NAMESPACE - -// Check if std::chrono::local_t is available. -#ifndef FMT_USE_LOCAL_TIME -# ifdef __cpp_lib_chrono -# define FMT_USE_LOCAL_TIME (__cpp_lib_chrono >= 201907L) -# else -# define FMT_USE_LOCAL_TIME 0 -# endif -#endif +namespace fmt_detail { +struct time_zone { + template + auto to_sys(T) + -> std::chrono::time_point { + return {}; + } +}; +template inline auto current_zone(T...) -> time_zone* { + return nullptr; +} -// Check if std::chrono::utc_timestamp is available. -#ifndef FMT_USE_UTC_TIME -# ifdef __cpp_lib_chrono -# define FMT_USE_UTC_TIME (__cpp_lib_chrono >= 201907L) -# else -# define FMT_USE_UTC_TIME 0 -# endif -#endif +template inline void _tzset(T...) {} +} // namespace fmt_detail -// Enable tzset. -#ifndef FMT_USE_TZSET -// UWP doesn't provide _tzset. -# if FMT_HAS_INCLUDE("winapifamily.h") -# include -# endif -# if defined(_WIN32) && (!defined(WINAPI_FAMILY) || \ - (WINAPI_FAMILY == WINAPI_FAMILY_DESKTOP_APP)) -# define FMT_USE_TZSET 1 -# else -# define FMT_USE_TZSET 0 -# endif -#endif +FMT_BEGIN_NAMESPACE // Enable safe chrono durations, unless explicitly disabled. #ifndef FMT_SAFE_DURATION_CAST @@ -185,56 +168,6 @@ FMT_CONSTEXPR auto safe_float_conversion(const From from, int& ec) -> To { return from; } -/// Safe duration cast between integral durations -template ::value), - FMT_ENABLE_IF(std::is_integral::value)> -auto safe_duration_cast(std::chrono::duration from, - int& ec) -> To { - 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 (detail::const_check(!std::is_unsigned::value) && - 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), @@ -314,11 +247,55 @@ auto safe_duration_cast(std::chrono::duration from, } // namespace safe_duration_cast #endif +namespace detail { + +// Check if std::chrono::utc_time is available. +#ifdef FMT_USE_UTC_TIME +// Use the provided definition. +#elif defined(__cpp_lib_chrono) +# define FMT_USE_UTC_TIME (__cpp_lib_chrono >= 201907L) +#else +# define FMT_USE_UTC_TIME 0 +#endif +#if FMT_USE_UTC_TIME +using utc_clock = std::chrono::utc_clock; +#else +struct utc_clock { + template void to_sys(T); +}; +#endif + +// Check if std::chrono::local_time is available. +#ifdef FMT_USE_LOCAL_TIME +// Use the provided definition. +#elif defined(__cpp_lib_chrono) +# define FMT_USE_LOCAL_TIME (__cpp_lib_chrono >= 201907L) +#else +# define FMT_USE_LOCAL_TIME 0 +#endif +#if FMT_USE_LOCAL_TIME +using local_t = std::chrono::local_t; +#else +struct local_t {}; +#endif + +} // namespace detail + +template +using sys_time = std::chrono::time_point; + +template +using utc_time = std::chrono::time_point; + +template +using local_time = std::chrono::time_point; + +namespace detail { + // Prevents expansion of a preceding token as a function-style macro. // Usage: f FMT_NOMACRO() #define FMT_NOMACRO -namespace detail { template struct null {}; inline auto localtime_r FMT_NOMACRO(...) -> null<> { return null<>(); } inline auto localtime_s(...) -> null<> { return null<>(); } @@ -327,12 +304,12 @@ inline auto gmtime_s(...) -> null<> { return null<>(); } // It is defined here and not in ostream.h because the latter has expensive // includes. -template class formatbuf : public Streambuf { +template class formatbuf : public StreamBuf { private: - using char_type = typename Streambuf::char_type; - using streamsize = decltype(std::declval().sputn(nullptr, 0)); - using int_type = typename Streambuf::int_type; - using traits_type = typename Streambuf::traits_type; + using char_type = typename StreamBuf::char_type; + using streamsize = decltype(std::declval().sputn(nullptr, 0)); + using int_type = typename StreamBuf::int_type; + using traits_type = typename StreamBuf::traits_type; buffer& buffer_; @@ -370,20 +347,16 @@ template struct codecvt_result { }; template -void write_codecvt(codecvt_result& out, string_view in_buf, +void write_codecvt(codecvt_result& out, string_view in, const std::locale& loc) { -#if FMT_CLANG_VERSION -# pragma clang diagnostic push -# pragma clang diagnostic ignored "-Wdeprecated" - auto& f = std::use_facet>(loc); -# pragma clang diagnostic pop -#else + FMT_PRAGMA_CLANG(diagnostic push) + FMT_PRAGMA_CLANG(diagnostic ignored "-Wdeprecated") auto& f = std::use_facet>(loc); -#endif + FMT_PRAGMA_CLANG(diagnostic pop) auto mb = std::mbstate_t(); const char* from_next = nullptr; - auto result = f.in(mb, in_buf.begin(), in_buf.end(), from_next, - std::begin(out.buf), std::end(out.buf), out.end); + auto result = f.in(mb, in.begin(), in.end(), from_next, std::begin(out.buf), + std::end(out.buf), out.end); if (result != std::codecvt_base::ok) FMT_THROW(format_error("failed to format time")); } @@ -391,7 +364,7 @@ void write_codecvt(codecvt_result& out, string_view in_buf, template auto write_encoded_tm_str(OutputIt out, string_view in, const std::locale& loc) -> OutputIt { - if (detail::use_utf8() && loc != get_classic_locale()) { + if (const_check(detail::use_utf8) && loc != get_classic_locale()) { // char16_t and char32_t codecvts are broken in MSVC (linkage errors) and // gcc-4. #if FMT_MSC_VERSION != 0 || \ @@ -471,16 +444,56 @@ struct is_same_arithmetic_type std::is_floating_point::value)> { }; -template < - typename To, typename FromRep, typename FromPeriod, - FMT_ENABLE_IF(is_same_arithmetic_type::value)> -auto fmt_duration_cast(std::chrono::duration from) -> To { +FMT_NORETURN inline void throw_duration_error() { + FMT_THROW(format_error("cannot format duration")); +} + +// Cast one integral duration to another with an overflow check. +template ::value&& + std::is_integral::value)> +auto duration_cast(std::chrono::duration from) -> To { +#if !FMT_SAFE_DURATION_CAST + return std::chrono::duration_cast(from); +#else + // The conversion factor: to.count() == factor * from.count(). + using factor = std::ratio_divide; + + using common_rep = typename std::common_type::type; + + int ec = 0; + auto count = safe_duration_cast::lossless_integral_conversion( + from.count(), ec); + if (ec) throw_duration_error(); + + // Multiply from.count() by factor and check for overflow. + if (const_check(factor::num != 1)) { + if (count > max_value() / factor::num) throw_duration_error(); + const auto min = (std::numeric_limits::min)() / factor::num; + if (const_check(!std::is_unsigned::value) && count < min) + throw_duration_error(); + count *= factor::num; + } + if (const_check(factor::den != 1)) count /= factor::den; + auto to = + To(safe_duration_cast::lossless_integral_conversion( + count, ec)); + if (ec) throw_duration_error(); + return to; +#endif +} + +template ::value&& + std::is_floating_point::value)> +auto duration_cast(std::chrono::duration from) -> To { #if FMT_SAFE_DURATION_CAST // Throwing version of safe_duration_cast is only available for // integer to integer or float to float casts. int ec; To to = safe_duration_cast::safe_duration_cast(from, ec); - if (ec) FMT_THROW(format_error("cannot format duration")); + if (ec) throw_duration_error(); return to; #else // Standard duration cast, may overflow. @@ -491,22 +504,28 @@ auto fmt_duration_cast(std::chrono::duration from) -> To { template < typename To, typename FromRep, typename FromPeriod, FMT_ENABLE_IF(!is_same_arithmetic_type::value)> -auto fmt_duration_cast(std::chrono::duration from) -> To { +auto duration_cast(std::chrono::duration from) -> To { // Mixed integer <-> float cast is not supported by safe_duration_cast. return std::chrono::duration_cast(from); } template -auto to_time_t( - std::chrono::time_point time_point) - -> std::time_t { +auto to_time_t(sys_time time_point) -> std::time_t { // Cannot use std::chrono::system_clock::to_time_t since this would first // require a cast to std::chrono::system_clock::time_point, which could // overflow. - return fmt_duration_cast>( + return detail::duration_cast>( time_point.time_since_epoch()) .count(); } + +// Workaround a bug in libstdc++ which sets __cpp_lib_chrono to 201907 without +// providing current_zone(): https://github.com/fmtlib/fmt/issues/4160. +template FMT_CONSTEXPR auto has_current_zone() -> bool { + using namespace std::chrono; + using namespace fmt_detail; + return !std::is_same::value; +} } // namespace detail FMT_BEGIN_EXPORT @@ -521,24 +540,24 @@ inline auto localtime(std::time_t time) -> std::tm { std::time_t time_; std::tm tm_; - dispatcher(std::time_t t) : time_(t) {} + inline dispatcher(std::time_t t) : time_(t) {} - auto run() -> bool { + inline auto run() -> bool { using namespace fmt::detail; return handle(localtime_r(&time_, &tm_)); } - auto handle(std::tm* tm) -> bool { return tm != nullptr; } + inline auto handle(std::tm* tm) -> bool { return tm != nullptr; } - auto handle(detail::null<>) -> bool { + inline auto handle(detail::null<>) -> bool { using namespace fmt::detail; return fallback(localtime_s(&tm_, &time_)); } - auto fallback(int res) -> bool { return res == 0; } + inline auto fallback(int res) -> bool { return res == 0; } #if !FMT_MSC_VERSION - auto fallback(detail::null<>) -> bool { + inline auto fallback(detail::null<>) -> bool { using namespace fmt::detail; std::tm* tm = std::localtime(&time_); if (tm) tm_ = *tm; @@ -553,10 +572,12 @@ inline auto localtime(std::time_t time) -> std::tm { } #if FMT_USE_LOCAL_TIME -template +template ())> inline auto localtime(std::chrono::local_time time) -> std::tm { - return localtime( - detail::to_time_t(std::chrono::current_zone()->to_sys(time))); + using namespace std::chrono; + using namespace fmt_detail; + return localtime(detail::to_time_t(current_zone()->to_sys(time))); } #endif @@ -570,24 +591,24 @@ inline auto gmtime(std::time_t time) -> std::tm { std::time_t time_; std::tm tm_; - dispatcher(std::time_t t) : time_(t) {} + inline dispatcher(std::time_t t) : time_(t) {} - auto run() -> bool { + inline auto run() -> bool { using namespace fmt::detail; return handle(gmtime_r(&time_, &tm_)); } - auto handle(std::tm* tm) -> bool { return tm != nullptr; } + inline auto handle(std::tm* tm) -> bool { return tm != nullptr; } - auto handle(detail::null<>) -> bool { + inline auto handle(detail::null<>) -> bool { using namespace fmt::detail; return fallback(gmtime_s(&tm_, &time_)); } - auto fallback(int res) -> bool { return res == 0; } + inline auto fallback(int res) -> bool { return res == 0; } #if !FMT_MSC_VERSION - auto fallback(detail::null<>) -> bool { + inline auto fallback(detail::null<>) -> bool { std::tm* tm = std::gmtime(&time_); if (tm) tm_ = *tm; return tm != nullptr; @@ -601,9 +622,7 @@ inline auto gmtime(std::time_t time) -> std::tm { } template -inline auto gmtime( - std::chrono::time_point time_point) - -> std::tm { +inline auto gmtime(sys_time time_point) -> std::tm { return gmtime(detail::to_time_t(time_point)); } @@ -649,7 +668,8 @@ FMT_CONSTEXPR inline auto get_units() -> const char* { 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 detail::use_utf8 ? "µs" : "us"; if (std::is_same::value) return "ms"; if (std::is_same::value) return "cs"; if (std::is_same::value) return "ds"; @@ -728,9 +748,7 @@ FMT_CONSTEXPR auto parse_chrono_format(const Char* begin, const Char* end, if (ptr == end) FMT_THROW(format_error("invalid format")); c = *ptr++; switch (c) { - case '%': - handler.on_text(ptr - 1, ptr); - break; + case '%': handler.on_text(ptr - 1, ptr); break; case 'n': { const Char newline[] = {'\n'}; handler.on_text(newline, newline + 1); @@ -742,45 +760,21 @@ FMT_CONSTEXPR auto parse_chrono_format(const Char* begin, const Char* end, break; } // Year: - case 'Y': - handler.on_year(numeric_system::standard); - break; - case 'y': - handler.on_short_year(numeric_system::standard); - break; - case 'C': - handler.on_century(numeric_system::standard); - break; - case 'G': - handler.on_iso_week_based_year(); - break; - case 'g': - handler.on_iso_week_based_short_year(); - break; + case 'Y': handler.on_year(numeric_system::standard, pad); break; + case 'y': handler.on_short_year(numeric_system::standard); break; + case 'C': handler.on_century(numeric_system::standard); break; + case 'G': handler.on_iso_week_based_year(); break; + case 'g': handler.on_iso_week_based_short_year(); 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; + 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': - case 'h': - handler.on_abbr_month(); - break; - case 'B': - handler.on_full_month(); - break; - case 'm': - handler.on_dec_month(numeric_system::standard); - break; + case 'h': handler.on_abbr_month(); break; + case 'B': handler.on_full_month(); break; + case 'm': handler.on_dec_month(numeric_system::standard, pad); break; // Day of the year/month: case 'U': handler.on_dec0_week_of_year(numeric_system::standard, pad); @@ -788,99 +782,44 @@ FMT_CONSTEXPR auto parse_chrono_format(const Char* begin, const Char* end, case 'W': handler.on_dec1_week_of_year(numeric_system::standard, pad); break; - case 'V': - handler.on_iso_week_of_year(numeric_system::standard, pad); - break; - case 'j': - handler.on_day_of_year(); - break; - case 'd': - handler.on_day_of_month(numeric_system::standard, pad); - break; + case 'V': handler.on_iso_week_of_year(numeric_system::standard, pad); break; + case 'j': handler.on_day_of_year(pad); break; + case 'd': handler.on_day_of_month(numeric_system::standard, pad); break; case 'e': handler.on_day_of_month(numeric_system::standard, pad_type::space); break; // Hour, minute, second: - case 'H': - handler.on_24_hour(numeric_system::standard, pad); - break; - case 'I': - handler.on_12_hour(numeric_system::standard, pad); - break; - case 'M': - handler.on_minute(numeric_system::standard, pad); - break; - case 'S': - handler.on_second(numeric_system::standard, pad); - break; + case 'H': handler.on_24_hour(numeric_system::standard, pad); break; + case 'I': handler.on_12_hour(numeric_system::standard, pad); break; + case 'M': handler.on_minute(numeric_system::standard, pad); break; + case 'S': handler.on_second(numeric_system::standard, pad); 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(numeric_system::standard); - break; - case 'Z': - handler.on_tz_name(); - break; + 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(numeric_system::standard); 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 'Y': - handler.on_year(numeric_system::alternative); - break; - case 'y': - handler.on_offset_year(); - break; - case 'C': - handler.on_century(numeric_system::alternative); - break; - 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; - case 'z': - handler.on_utc_offset(numeric_system::alternative); - break; - default: - FMT_THROW(format_error("invalid format")); + case 'Y': handler.on_year(numeric_system::alternative, pad); break; + case 'y': handler.on_offset_year(); break; + case 'C': handler.on_century(numeric_system::alternative); break; + 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; + case 'z': handler.on_utc_offset(numeric_system::alternative); break; + default: FMT_THROW(format_error("invalid format")); } break; } @@ -888,12 +827,8 @@ FMT_CONSTEXPR auto parse_chrono_format(const Char* begin, const Char* end, if (ptr == end) FMT_THROW(format_error("invalid format")); c = *ptr++; switch (c) { - case 'y': - handler.on_short_year(numeric_system::alternative); - break; - case 'm': - handler.on_dec_month(numeric_system::alternative); - break; + case 'y': handler.on_short_year(numeric_system::alternative); break; + case 'm': handler.on_dec_month(numeric_system::alternative, pad); break; case 'U': handler.on_dec0_week_of_year(numeric_system::alternative, pad); break; @@ -909,33 +844,17 @@ FMT_CONSTEXPR auto parse_chrono_format(const Char* begin, const Char* end, case 'e': handler.on_day_of_month(numeric_system::alternative, pad_type::space); break; - 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, pad); - break; - case 'I': - handler.on_12_hour(numeric_system::alternative, pad); - break; - case 'M': - handler.on_minute(numeric_system::alternative, pad); - break; - case 'S': - handler.on_second(numeric_system::alternative, pad); - break; - case 'z': - handler.on_utc_offset(numeric_system::alternative); - break; - default: - FMT_THROW(format_error("invalid format")); + 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, pad); break; + case 'I': handler.on_12_hour(numeric_system::alternative, pad); break; + case 'M': handler.on_minute(numeric_system::alternative, pad); break; + case 'S': handler.on_second(numeric_system::alternative, pad); break; + case 'z': handler.on_utc_offset(numeric_system::alternative); break; + default: FMT_THROW(format_error("invalid format")); } break; - default: - FMT_THROW(format_error("invalid format")); + default: FMT_THROW(format_error("invalid format")); } begin = ptr; } @@ -947,7 +866,7 @@ template struct null_chrono_spec_handler { FMT_CONSTEXPR void unsupported() { static_cast(this)->unsupported(); } - FMT_CONSTEXPR void on_year(numeric_system) { unsupported(); } + FMT_CONSTEXPR void on_year(numeric_system, pad_type) { unsupported(); } FMT_CONSTEXPR void on_short_year(numeric_system) { unsupported(); } FMT_CONSTEXPR void on_offset_year() { unsupported(); } FMT_CONSTEXPR void on_century(numeric_system) { unsupported(); } @@ -959,7 +878,7 @@ template struct null_chrono_spec_handler { 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_dec_month(numeric_system) { unsupported(); } + FMT_CONSTEXPR void on_dec_month(numeric_system, pad_type) { unsupported(); } FMT_CONSTEXPR void on_dec0_week_of_year(numeric_system, pad_type) { unsupported(); } @@ -969,7 +888,7 @@ template struct null_chrono_spec_handler { FMT_CONSTEXPR void on_iso_week_of_year(numeric_system, pad_type) { unsupported(); } - FMT_CONSTEXPR void on_day_of_year() { unsupported(); } + FMT_CONSTEXPR void on_day_of_year(pad_type) { unsupported(); } FMT_CONSTEXPR void on_day_of_month(numeric_system, pad_type) { unsupported(); } @@ -993,11 +912,13 @@ template struct null_chrono_spec_handler { }; struct tm_format_checker : null_chrono_spec_handler { - FMT_NORETURN void unsupported() { FMT_THROW(format_error("no format")); } + FMT_NORETURN inline void unsupported() { + FMT_THROW(format_error("no format")); + } template FMT_CONSTEXPR void on_text(const Char*, const Char*) {} - FMT_CONSTEXPR void on_year(numeric_system) {} + FMT_CONSTEXPR void on_year(numeric_system, pad_type) {} FMT_CONSTEXPR void on_short_year(numeric_system) {} FMT_CONSTEXPR void on_offset_year() {} FMT_CONSTEXPR void on_century(numeric_system) {} @@ -1009,11 +930,11 @@ struct tm_format_checker : null_chrono_spec_handler { FMT_CONSTEXPR void on_dec1_weekday(numeric_system) {} FMT_CONSTEXPR void on_abbr_month() {} FMT_CONSTEXPR void on_full_month() {} - FMT_CONSTEXPR void on_dec_month(numeric_system) {} + FMT_CONSTEXPR void on_dec_month(numeric_system, pad_type) {} FMT_CONSTEXPR void on_dec0_week_of_year(numeric_system, pad_type) {} FMT_CONSTEXPR void on_dec1_week_of_year(numeric_system, pad_type) {} FMT_CONSTEXPR void on_iso_week_of_year(numeric_system, pad_type) {} - FMT_CONSTEXPR void on_day_of_year() {} + FMT_CONSTEXPR void on_day_of_year(pad_type) {} FMT_CONSTEXPR void on_day_of_month(numeric_system, pad_type) {} FMT_CONSTEXPR void on_24_hour(numeric_system, pad_type) {} FMT_CONSTEXPR void on_12_hour(numeric_system, pad_type) {} @@ -1070,15 +991,14 @@ template struct has_member_data_tm_zone> : std::true_type {}; -#if FMT_USE_TZSET inline void tzset_once() { - static bool init = []() -> bool { + static bool init = []() { + using namespace fmt_detail; _tzset(); - return true; + return false; }(); ignore_unused(init); } -#endif // Converts value to Int and checks that it's in the range [0, upper). template ::value)> @@ -1129,16 +1049,16 @@ void write_fractional_seconds(OutputIt& out, Duration d, int precision = -1) { using subsecond_precision = std::chrono::duration< typename std::common_type::type, - std::ratio<1, detail::pow10(num_fractional_digits)>>; + std::ratio<1, pow10(num_fractional_digits)>>; - const auto fractional = d - fmt_duration_cast(d); + const auto fractional = d - detail::duration_cast(d); const auto subseconds = std::chrono::treat_as_floating_point< typename subsecond_precision::rep>::value ? fractional.count() - : fmt_duration_cast(fractional).count(); + : detail::duration_cast(fractional).count(); auto n = static_cast>(subseconds); - const int num_digits = detail::count_digits(n); + const int num_digits = count_digits(n); int leading_zeroes = (std::max)(0, num_fractional_digits - num_digits); if (precision < 0) { @@ -1147,23 +1067,21 @@ void write_fractional_seconds(OutputIt& out, Duration d, int precision = -1) { std::chrono::seconds::period>::value) { *out++ = '.'; out = detail::fill_n(out, leading_zeroes, '0'); - out = format_decimal(out, n, num_digits).end; + out = format_decimal(out, n, num_digits); } } else if (precision > 0) { *out++ = '.'; - leading_zeroes = (std::min)(leading_zeroes, precision); + leading_zeroes = min_of(leading_zeroes, precision); int remaining = precision - leading_zeroes; out = detail::fill_n(out, leading_zeroes, '0'); if (remaining < num_digits) { int num_truncated_digits = num_digits - remaining; - n /= to_unsigned(detail::pow10(to_unsigned(num_truncated_digits))); - if (n) { - out = format_decimal(out, n, remaining).end; - } + n /= to_unsigned(pow10(to_unsigned(num_truncated_digits))); + if (n != 0) out = format_decimal(out, n, remaining); return; } - if (n) { - out = format_decimal(out, n, num_digits).end; + if (n != 0) { + out = format_decimal(out, n, num_digits); remaining -= num_digits; } out = detail::fill_n(out, remaining, '0'); @@ -1307,30 +1225,28 @@ class tm_writer { } } - void write_year_extended(long long year) { + void write_year_extended(long long year, pad_type pad) { // At least 4 characters. int width = 4; - if (year < 0) { - *out_++ = '-'; + bool negative = year < 0; + if (negative) { year = 0 - year; --width; } uint32_or_64_or_128_t n = to_unsigned(year); const int num_digits = count_digits(n); - if (width > num_digits) - out_ = detail::fill_n(out_, width - num_digits, '0'); - out_ = format_decimal(out_, n, num_digits).end; - } - void write_year(long long year) { - if (year >= 0 && year < 10000) { - write2(static_cast(year / 100)); - write2(static_cast(year % 100)); - } else { - write_year_extended(year); + if (negative && pad == pad_type::zero) *out_++ = '-'; + if (width > num_digits) { + out_ = detail::write_padding(out_, pad, width - num_digits); } + if (negative && pad != pad_type::zero) *out_++ = '-'; + out_ = format_decimal(out_, n, num_digits); + } + void write_year(long long year, pad_type pad) { + write_year_extended(year, pad); } - void write_utc_offset(long offset, numeric_system ns) { + void write_utc_offset(long long offset, numeric_system ns) { if (offset < 0) { *out_++ = '-'; offset = -offset; @@ -1342,6 +1258,7 @@ class tm_writer { if (ns != numeric_system::standard) *out_++ = ':'; write2(static_cast(offset % 60)); } + template ::value)> void format_utc_offset_impl(const T& tm, numeric_system ns) { write_utc_offset(tm.tm_gmtoff, ns); @@ -1349,9 +1266,7 @@ class tm_writer { template ::value)> void format_utc_offset_impl(const T& tm, numeric_system ns) { #if defined(_WIN32) && defined(_UCRT) -# if FMT_USE_TZSET tzset_once(); -# endif long offset = 0; _get_timezone(&offset); if (tm.tm_isdst) { @@ -1368,7 +1283,7 @@ class tm_writer { std::time_t gt = std::mktime(>m); std::tm ltm = gmtime(gt); std::time_t lt = std::mktime(<m); - long offset = gt - lt; + long long offset = gt - lt; write_utc_offset(offset, ns); #endif } @@ -1452,7 +1367,7 @@ class tm_writer { *out_++ = ' '; on_iso_time(); *out_++ = ' '; - on_year(numeric_system::standard); + on_year(numeric_system::standard, pad_type::space); } else { format_localized('c', ns == numeric_system::standard ? '\0' : 'E'); } @@ -1481,10 +1396,10 @@ class tm_writer { char buf[10]; size_t offset = 0; if (year >= 0 && year < 10000) { - copy2(buf, digits2(static_cast(year / 100))); + write2digits(buf, static_cast(year / 100)); } else { offset = 4; - write_year_extended(year); + write_year_extended(year, pad_type::zero); year = 0; } write_digit2_separated(buf + 2, static_cast(year % 100), @@ -1496,9 +1411,9 @@ class tm_writer { void on_utc_offset(numeric_system ns) { format_utc_offset_impl(tm_, ns); } void on_tz_name() { format_tz_name_impl(tm_); } - void on_year(numeric_system ns) { + void on_year(numeric_system ns, pad_type pad) { if (is_classic_ || ns == numeric_system::standard) - return write_year(tm_year()); + return write_year(tm_year(), pad); format_localized('Y', 'E'); } void on_short_year(numeric_system ns) { @@ -1529,9 +1444,9 @@ class tm_writer { } } - void on_dec_month(numeric_system ns) { + void on_dec_month(numeric_system ns, pad_type pad) { if (is_classic_ || ns == numeric_system::standard) - return write2(tm_mon() + 1); + return write2(tm_mon() + 1, pad); format_localized('m', 'O'); } @@ -1558,16 +1473,24 @@ class tm_writer { format_localized('V', 'O'); } - void on_iso_week_based_year() { write_year(tm_iso_week_year()); } + void on_iso_week_based_year() { + write_year(tm_iso_week_year(), pad_type::zero); + } void on_iso_week_based_short_year() { write2(split_year_lower(tm_iso_week_year())); } - void on_day_of_year() { + void on_day_of_year(pad_type pad) { auto yday = tm_yday() + 1; - write1(yday / 100); - write2(yday % 100); + auto digit1 = yday / 100; + if (digit1 != 0) { + write1(digit1); + } else { + out_ = detail::write_padding(out_, pad); + } + write2(yday % 100, pad); } + void on_day_of_month(numeric_system ns, pad_type pad) { if (is_classic_ || ns == numeric_system::standard) return write2(tm_mday(), pad); @@ -1599,7 +1522,7 @@ class tm_writer { write_floating_seconds(buf, *subsecs_); if (buf.size() > 1) { // Remove the leading "0", write something like ".123". - out_ = std::copy(buf.begin() + 1, buf.end(), out_); + out_ = copy(buf.begin() + 1, buf.end(), out_); } } else { write_fractional_seconds(out_, *subsecs_); @@ -1651,11 +1574,11 @@ class tm_writer { struct chrono_format_checker : null_chrono_spec_handler { bool has_precision_integral = false; - FMT_NORETURN void unsupported() { FMT_THROW(format_error("no date")); } + FMT_NORETURN inline void unsupported() { FMT_THROW(format_error("no date")); } template FMT_CONSTEXPR void on_text(const Char*, const Char*) {} - FMT_CONSTEXPR void on_day_of_year() {} + FMT_CONSTEXPR void on_day_of_year(pad_type) {} FMT_CONSTEXPR void on_24_hour(numeric_system, pad_type) {} FMT_CONSTEXPR void on_12_hour(numeric_system, pad_type) {} FMT_CONSTEXPR void on_minute(numeric_system, pad_type) {} @@ -1665,9 +1588,8 @@ struct chrono_format_checker : null_chrono_spec_handler { FMT_CONSTEXPR void on_iso_time() {} FMT_CONSTEXPR void on_am_pm() {} FMT_CONSTEXPR void on_duration_value() const { - if (has_precision_integral) { + if (has_precision_integral) FMT_THROW(format_error("precision not allowed for this argument type")); - } } FMT_CONSTEXPR void on_duration_unit() {} }; @@ -1707,17 +1629,17 @@ inline auto get_milliseconds(std::chrono::duration d) #if FMT_SAFE_DURATION_CAST using CommonSecondsType = typename std::common_type::type; - const auto d_as_common = fmt_duration_cast(d); + const auto d_as_common = detail::duration_cast(d); const auto d_as_whole_seconds = - fmt_duration_cast(d_as_common); + detail::duration_cast(d_as_common); // this conversion should be nonproblematic const auto diff = d_as_common - d_as_whole_seconds; const auto ms = - fmt_duration_cast>(diff); + detail::duration_cast>(diff); return ms; #else - auto s = fmt_duration_cast(d); - return fmt_duration_cast(d - s); + auto s = detail::duration_cast(d); + return detail::duration_cast(d - s); #endif } @@ -1732,14 +1654,14 @@ template OutputIt { auto specs = format_specs(); specs.precision = precision; - specs.type = - precision >= 0 ? presentation_type::fixed : presentation_type::general; + specs.set_type(precision >= 0 ? presentation_type::fixed + : presentation_type::general); return write(out, val, specs); } template auto copy_unit(string_view unit, OutputIt out, Char) -> OutputIt { - return std::copy(unit.begin(), unit.end(), out); + return copy(unit.begin(), unit.end(), out); } template @@ -1747,7 +1669,7 @@ auto copy_unit(string_view unit, OutputIt out, wchar_t) -> OutputIt { // 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); + return copy(u.c_str(), u.c_str() + u.size(), out); } template @@ -1773,16 +1695,14 @@ class get_locale { bool has_locale_ = false; public: - get_locale(bool localized, locale_ref loc) : has_locale_(localized) { -#ifndef FMT_STATIC_THOUSANDS_SEPARATOR + inline get_locale(bool localized, locale_ref loc) : has_locale_(localized) { if (localized) ::new (&locale_) std::locale(loc.template get()); -#endif } - ~get_locale() { + inline ~get_locale() { if (has_locale_) locale_.~locale(); } - operator const std::locale&() const { + inline operator const std::locale&() const { return has_locale_ ? locale_ : get_classic_locale(); } }; @@ -1821,7 +1741,7 @@ struct chrono_formatter { // this may overflow and/or the result may not fit in the // target type. // might need checked conversion (rep!=Rep) - s = fmt_duration_cast(std::chrono::duration(val)); + s = detail::duration_cast(std::chrono::duration(val)); } // returns true if nan or inf, writes to out. @@ -1881,7 +1801,7 @@ struct chrono_formatter { if (width > num_digits) { out = detail::write_padding(out, pad, width - num_digits); } - out = format_decimal(out, n, num_digits).end; + out = format_decimal(out, n, num_digits); } void write_nan() { std::copy_n("nan", 3, out); } @@ -1898,7 +1818,7 @@ struct chrono_formatter { } void on_text(const char_type* begin, const char_type* end) { - std::copy(begin, end, out); + copy(begin, end, out); } // These are not implemented because durations don't have date information. @@ -1915,19 +1835,19 @@ struct chrono_formatter { void on_iso_date() {} void on_utc_offset(numeric_system) {} void on_tz_name() {} - void on_year(numeric_system) {} + void on_year(numeric_system, pad_type) {} void on_short_year(numeric_system) {} void on_offset_year() {} void on_century(numeric_system) {} void on_iso_week_based_year() {} void on_iso_week_based_short_year() {} - void on_dec_month(numeric_system) {} + void on_dec_month(numeric_system, pad_type) {} void on_dec0_week_of_year(numeric_system, pad_type) {} void on_dec1_week_of_year(numeric_system, pad_type) {} void on_iso_week_of_year(numeric_system, pad_type) {} void on_day_of_month(numeric_system, pad_type) {} - void on_day_of_year() { + void on_day_of_year(pad_type) { if (handle_nan_inf()) return; write(days(), 0); } @@ -1971,7 +1891,7 @@ struct chrono_formatter { if (buf.size() < 2 || buf[1] == '.') { out = detail::write_padding(out, pad); } - out = std::copy(buf.begin(), buf.end(), out); + out = copy(buf.begin(), buf.end(), out); } else { write(second(), 2, pad); write_fractional_seconds( @@ -2100,8 +2020,7 @@ struct formatter : private formatter { bool use_tm_formatter_ = false; public: - FMT_CONSTEXPR auto parse(basic_format_parse_context& ctx) - -> decltype(ctx.begin()) { + FMT_CONSTEXPR auto parse(parse_context& ctx) -> const Char* { auto it = ctx.begin(), end = ctx.end(); if (it != end && *it == 'L') { ++it; @@ -2130,8 +2049,7 @@ struct formatter : private formatter { bool use_tm_formatter_ = false; public: - FMT_CONSTEXPR auto parse(basic_format_parse_context& ctx) - -> decltype(ctx.begin()) { + FMT_CONSTEXPR auto parse(parse_context& ctx) -> const Char* { auto it = ctx.begin(), end = ctx.end(); use_tm_formatter_ = it != end && *it != '}'; return use_tm_formatter_ ? formatter::parse(ctx) : it; @@ -2156,8 +2074,7 @@ struct formatter : private formatter { bool use_tm_formatter_ = false; public: - FMT_CONSTEXPR auto parse(basic_format_parse_context& ctx) - -> decltype(ctx.begin()) { + FMT_CONSTEXPR auto parse(parse_context& ctx) -> const Char* { auto it = ctx.begin(), end = ctx.end(); if (it != end && *it == 'L') { ++it; @@ -2186,8 +2103,7 @@ struct formatter : private formatter { bool use_tm_formatter_ = false; public: - FMT_CONSTEXPR auto parse(basic_format_parse_context& ctx) - -> decltype(ctx.begin()) { + FMT_CONSTEXPR auto parse(parse_context& ctx) -> const Char* { auto it = ctx.begin(), end = ctx.end(); use_tm_formatter_ = it != end && *it != '}'; return use_tm_formatter_ ? formatter::parse(ctx) : it; @@ -2200,7 +2116,7 @@ struct formatter : private formatter { if (use_tm_formatter_) return formatter::format(time, ctx); detail::get_locale loc(false, ctx.locale()); auto w = detail::tm_writer(loc, ctx.out(), time); - w.on_year(detail::numeric_system::standard); + w.on_year(detail::numeric_system::standard, detail::pad_type::zero); return w.out(); } }; @@ -2211,8 +2127,7 @@ struct formatter : private formatter { bool use_tm_formatter_ = false; public: - FMT_CONSTEXPR auto parse(basic_format_parse_context& ctx) - -> decltype(ctx.begin()) { + FMT_CONSTEXPR auto parse(parse_context& ctx) -> const Char* { auto it = ctx.begin(), end = ctx.end(); use_tm_formatter_ = it != end && *it != '}'; return use_tm_formatter_ ? formatter::parse(ctx) : it; @@ -2240,32 +2155,33 @@ struct formatter, Char> { detail::arg_ref width_ref_; detail::arg_ref precision_ref_; bool localized_ = false; - basic_string_view format_str_; + basic_string_view fmt_; public: - FMT_CONSTEXPR auto parse(basic_format_parse_context& ctx) - -> decltype(ctx.begin()) { + FMT_CONSTEXPR auto parse(parse_context& ctx) -> const Char* { auto it = ctx.begin(), end = ctx.end(); if (it == end || *it == '}') return it; it = detail::parse_align(it, end, specs_); if (it == end) return it; - it = detail::parse_dynamic_spec(it, end, specs_.width, width_ref_, ctx); - if (it == end) return it; + Char c = *it; + if ((c >= '0' && c <= '9') || c == '{') { + it = detail::parse_width(it, end, specs_, width_ref_, ctx); + if (it == end) return it; + } auto checker = detail::chrono_format_checker(); if (*it == '.') { checker.has_precision_integral = !std::is_floating_point::value; - it = detail::parse_precision(it, end, specs_.precision, precision_ref_, - ctx); + it = detail::parse_precision(it, end, specs_, precision_ref_, ctx); } if (it != end && *it == 'L') { localized_ = true; ++it; } end = detail::parse_chrono_format(it, end, checker); - format_str_ = {it, detail::to_unsigned(end - it)}; + fmt_ = {it, detail::to_unsigned(end - it)}; return end; } @@ -2275,15 +2191,15 @@ struct formatter, Char> { auto specs = specs_; auto precision = specs.precision; specs.precision = -1; - auto begin = format_str_.begin(), end = format_str_.end(); + auto begin = fmt_.begin(), end = fmt_.end(); // As a possible future optimization, we could avoid extra copying if width // is not specified. auto buf = basic_memory_buffer(); - auto out = std::back_inserter(buf); - detail::handle_dynamic_spec(specs.width, width_ref_, - ctx); - detail::handle_dynamic_spec(precision, - precision_ref_, ctx); + auto out = basic_appender(buf); + detail::handle_dynamic_spec(specs.dynamic_width(), specs.width, width_ref_, + ctx); + detail::handle_dynamic_spec(specs.dynamic_precision(), precision, + precision_ref_, ctx); if (begin == end || *begin == '}') { out = detail::format_duration_value(out, d.count(), precision); detail::format_duration_unit(out); @@ -2300,129 +2216,119 @@ struct formatter, Char> { } }; -template -struct formatter, - Char> : formatter { - FMT_CONSTEXPR formatter() { - this->format_str_ = detail::string_literal{}; - } - - template - auto format(std::chrono::time_point val, - FormatContext& ctx) const -> decltype(ctx.out()) { - std::tm tm = gmtime(val); - using period = typename Duration::period; - if (detail::const_check( - period::num == 1 && period::den == 1 && - !std::is_floating_point::value)) { - return formatter::format(tm, ctx); - } - Duration epoch = val.time_since_epoch(); - Duration subsecs = detail::fmt_duration_cast( - epoch - detail::fmt_duration_cast(epoch)); - if (subsecs.count() < 0) { - auto second = - detail::fmt_duration_cast(std::chrono::seconds(1)); - if (tm.tm_sec != 0) - --tm.tm_sec; - else - tm = gmtime(val - second); - subsecs += detail::fmt_duration_cast(std::chrono::seconds(1)); - } - return formatter::do_format(tm, ctx, &subsecs); - } -}; - -#if FMT_USE_LOCAL_TIME -template -struct formatter, Char> - : formatter { - FMT_CONSTEXPR formatter() { - this->format_str_ = detail::string_literal{}; - } - - template - auto format(std::chrono::local_time val, FormatContext& ctx) const - -> decltype(ctx.out()) { - using period = typename Duration::period; - if (period::num != 1 || period::den != 1 || - std::is_floating_point::value) { - const auto epoch = val.time_since_epoch(); - const auto subsecs = detail::fmt_duration_cast( - epoch - detail::fmt_duration_cast(epoch)); - - return formatter::do_format(localtime(val), ctx, &subsecs); - } - - return formatter::format(localtime(val), ctx); - } -}; -#endif - -#if FMT_USE_UTC_TIME -template -struct formatter, - Char> - : formatter, - Char> { - template - auto format(std::chrono::time_point val, - FormatContext& ctx) const -> decltype(ctx.out()) { - return formatter< - std::chrono::time_point, - Char>::format(std::chrono::utc_clock::to_sys(val), ctx); - } -}; -#endif - template struct formatter { private: format_specs specs_; detail::arg_ref width_ref_; protected: - basic_string_view format_str_; + basic_string_view fmt_; - template + template auto do_format(const std::tm& tm, FormatContext& ctx, const Duration* subsecs) const -> decltype(ctx.out()) { auto specs = specs_; auto buf = basic_memory_buffer(); - auto out = std::back_inserter(buf); - detail::handle_dynamic_spec(specs.width, width_ref_, - ctx); + auto out = basic_appender(buf); + detail::handle_dynamic_spec(specs.dynamic_width(), specs.width, width_ref_, + ctx); auto loc_ref = ctx.locale(); detail::get_locale loc(static_cast(loc_ref), loc_ref); auto w = detail::tm_writer(loc, out, tm, subsecs); - detail::parse_chrono_format(format_str_.begin(), format_str_.end(), w); + detail::parse_chrono_format(fmt_.begin(), fmt_.end(), w); return detail::write( ctx.out(), basic_string_view(buf.data(), buf.size()), specs); } public: - FMT_CONSTEXPR auto parse(basic_format_parse_context& ctx) - -> decltype(ctx.begin()) { + FMT_CONSTEXPR auto parse(parse_context& ctx) -> const Char* { auto it = ctx.begin(), end = ctx.end(); if (it == end || *it == '}') return it; it = detail::parse_align(it, end, specs_); if (it == end) return it; - it = detail::parse_dynamic_spec(it, end, specs_.width, width_ref_, ctx); - if (it == end) return it; + Char c = *it; + if ((c >= '0' && c <= '9') || c == '{') { + it = detail::parse_width(it, end, specs_, width_ref_, ctx); + if (it == end) return it; + } end = detail::parse_chrono_format(it, end, detail::tm_format_checker()); - // Replace the default format_str only if the new spec is not empty. - if (end != it) format_str_ = {it, detail::to_unsigned(end - it)}; + // Replace the default format string only if the new spec is not empty. + if (end != it) fmt_ = {it, detail::to_unsigned(end - it)}; return end; } template auto format(const std::tm& tm, FormatContext& ctx) const -> decltype(ctx.out()) { - return do_format(tm, ctx, nullptr); + return do_format(tm, ctx, nullptr); + } +}; + +template +struct formatter, Char> : formatter { + FMT_CONSTEXPR formatter() { + this->fmt_ = detail::string_literal(); + } + + template + auto format(sys_time val, FormatContext& ctx) const + -> decltype(ctx.out()) { + std::tm tm = gmtime(val); + using period = typename Duration::period; + if (detail::const_check( + period::num == 1 && period::den == 1 && + !std::is_floating_point::value)) { + return formatter::format(tm, ctx); + } + Duration epoch = val.time_since_epoch(); + Duration subsecs = detail::duration_cast( + epoch - detail::duration_cast(epoch)); + if (subsecs.count() < 0) { + auto second = detail::duration_cast(std::chrono::seconds(1)); + if (tm.tm_sec != 0) + --tm.tm_sec; + else + tm = gmtime(val - second); + subsecs += detail::duration_cast(std::chrono::seconds(1)); + } + return formatter::do_format(tm, ctx, &subsecs); + } +}; + +template +struct formatter, Char> + : formatter, Char> { + template + auto format(utc_time val, FormatContext& ctx) const + -> decltype(ctx.out()) { + return formatter, Char>::format( + detail::utc_clock::to_sys(val), ctx); + } +}; + +template +struct formatter, Char> : formatter { + FMT_CONSTEXPR formatter() { + this->fmt_ = detail::string_literal(); + } + + template + auto format(local_time val, FormatContext& ctx) const + -> decltype(ctx.out()) { + using period = typename Duration::period; + if (period::num == 1 && period::den == 1 && + !std::is_floating_point::value) { + return formatter::format(localtime(val), ctx); + } + auto epoch = val.time_since_epoch(); + auto subsecs = detail::duration_cast( + epoch - detail::duration_cast(epoch)); + return formatter::do_format(localtime(val), ctx, &subsecs); } }; diff --git a/thirdparty/fmt/include/fmt/color.h b/thirdparty/fmt/include/fmt/color.h index f0e9dd94e..2faaf3a06 100644 --- a/thirdparty/fmt/include/fmt/color.h +++ b/thirdparty/fmt/include/fmt/color.h @@ -330,7 +330,7 @@ FMT_CONSTEXPR inline auto operator|(emphasis lhs, emphasis rhs) noexcept namespace detail { template struct ansi_color_escape { - FMT_CONSTEXPR ansi_color_escape(detail::color_type text_color, + FMT_CONSTEXPR ansi_color_escape(color_type text_color, const char* esc) noexcept { // If we have a terminal color, we need to output another escape code // sequence. @@ -412,13 +412,13 @@ template struct ansi_color_escape { }; template -FMT_CONSTEXPR auto make_foreground_color(detail::color_type foreground) noexcept +FMT_CONSTEXPR auto make_foreground_color(color_type foreground) noexcept -> ansi_color_escape { return ansi_color_escape(foreground, "\x1b[38;2;"); } template -FMT_CONSTEXPR auto make_background_color(detail::color_type background) noexcept +FMT_CONSTEXPR auto make_background_color(color_type background) noexcept -> ansi_color_escape { return ansi_color_escape(background, "\x1b[48;2;"); } @@ -434,36 +434,35 @@ template inline void reset_color(buffer& buffer) { buffer.append(reset_color.begin(), reset_color.end()); } -template struct styled_arg : detail::view { +template struct styled_arg : view { const T& value; text_style style; styled_arg(const T& v, text_style s) : value(v), style(s) {} }; template -void vformat_to( - buffer& buf, const text_style& ts, basic_string_view format_str, - basic_format_args>> args) { +void vformat_to(buffer& buf, const text_style& ts, + basic_string_view fmt, + basic_format_args> args) { bool has_style = false; if (ts.has_emphasis()) { has_style = true; - auto emphasis = detail::make_emphasis(ts.get_emphasis()); + auto emphasis = 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()); + auto foreground = 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()); + auto background = 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); + vformat_to(buf, fmt, args); + if (has_style) reset_color(buf); } - } // namespace detail inline void vprint(FILE* f, const text_style& ts, string_view fmt, @@ -485,7 +484,7 @@ inline void vprint(FILE* f, const text_style& ts, string_view fmt, template void print(FILE* f, const text_style& ts, format_string fmt, T&&... args) { - vprint(f, ts, fmt, fmt::make_format_args(args...)); + vprint(f, ts, fmt.str, vargs{{args...}}); } /** @@ -524,7 +523,7 @@ inline auto vformat(const text_style& ts, string_view fmt, format_args args) template inline auto format(const text_style& ts, format_string fmt, T&&... args) -> std::string { - return fmt::vformat(ts, fmt, fmt::make_format_args(args...)); + return fmt::vformat(ts, fmt.str, vargs{{args...}}); } /// Formats a string with the given text_style and writes the output to `out`. @@ -551,7 +550,7 @@ template ::value)> inline auto format_to(OutputIt out, const text_style& ts, format_string fmt, T&&... args) -> OutputIt { - return vformat_to(out, ts, fmt, fmt::make_format_args(args...)); + return vformat_to(out, ts, fmt.str, vargs{{args...}}); } template @@ -560,31 +559,30 @@ struct formatter, Char> : formatter { auto format(const detail::styled_arg& arg, FormatContext& ctx) const -> decltype(ctx.out()) { const auto& ts = arg.style; - const auto& value = arg.value; auto out = ctx.out(); bool has_style = false; if (ts.has_emphasis()) { has_style = true; auto emphasis = detail::make_emphasis(ts.get_emphasis()); - out = std::copy(emphasis.begin(), emphasis.end(), out); + out = detail::copy(emphasis.begin(), emphasis.end(), out); } if (ts.has_foreground()) { has_style = true; auto foreground = detail::make_foreground_color(ts.get_foreground()); - out = std::copy(foreground.begin(), foreground.end(), out); + out = detail::copy(foreground.begin(), foreground.end(), out); } if (ts.has_background()) { has_style = true; auto background = detail::make_background_color(ts.get_background()); - out = std::copy(background.begin(), background.end(), out); + out = detail::copy(background.begin(), background.end(), out); } - out = formatter::format(value, ctx); + out = formatter::format(arg.value, ctx); if (has_style) { auto reset_color = string_view("\x1b[0m"); - out = std::copy(reset_color.begin(), reset_color.end(), out); + out = detail::copy(reset_color.begin(), reset_color.end(), out); } return out; } diff --git a/thirdparty/fmt/include/fmt/compile.h b/thirdparty/fmt/include/fmt/compile.h index b2afc2c30..68b451c71 100644 --- a/thirdparty/fmt/include/fmt/compile.h +++ b/thirdparty/fmt/include/fmt/compile.h @@ -21,12 +21,6 @@ FMT_EXPORT class compiled_string {}; namespace detail { -template -FMT_CONSTEXPR inline auto copy(InputIt begin, InputIt end, counting_iterator it) - -> counting_iterator { - return it + (end - begin); -} - template struct is_compiled_string : std::is_base_of {}; @@ -42,17 +36,16 @@ struct is_compiled_string : std::is_base_of {}; * std::string s = fmt::format(FMT_COMPILE("{}"), 42); */ #if defined(__cpp_if_constexpr) && defined(__cpp_return_type_deduction) -# define FMT_COMPILE(s) FMT_STRING_IMPL(s, fmt::compiled_string, explicit) +# define FMT_COMPILE(s) FMT_STRING_IMPL(s, fmt::compiled_string) #else # define FMT_COMPILE(s) FMT_STRING(s) #endif #if FMT_USE_NONTYPE_TEMPLATE_ARGS -template Str> +template Str> struct udl_compiled_string : compiled_string { using char_type = Char; - explicit constexpr operator basic_string_view() const { + constexpr explicit operator basic_string_view() const { return {Str.data, N - 1}; } }; @@ -77,6 +70,29 @@ constexpr const auto& get([[maybe_unused]] const T& first, return detail::get(rest...); } +# if FMT_USE_NONTYPE_TEMPLATE_ARGS +template +constexpr auto get_arg_index_by_name(basic_string_view name) -> int { + if constexpr (is_static_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 -1; +} +# endif + +template +FMT_CONSTEXPR auto get_arg_index_by_name(basic_string_view name) -> int { +# if FMT_USE_NONTYPE_TEMPLATE_ARGS + if constexpr (sizeof...(Args) > 0) + return get_arg_index_by_name<0, Args...>(name); +# endif + (void)name; + return -1; +} + template constexpr int get_arg_index_by_name(basic_string_view name, type_list) { @@ -149,8 +165,9 @@ template struct field { if constexpr (std::is_convertible>::value) { auto s = basic_string_view(arg); return copy(s.begin(), s.end(), out); + } else { + return write(out, arg); } - return write(out, arg); } }; @@ -275,6 +292,7 @@ constexpr parse_specs_result parse_specs(basic_string_view str, } template struct arg_id_handler { + arg_id_kind kind; arg_ref arg_id; constexpr int on_auto() { @@ -282,25 +300,28 @@ template struct arg_id_handler { return 0; } constexpr int on_index(int id) { + kind = arg_id_kind::index; arg_id = arg_ref(id); return 0; } constexpr int on_name(basic_string_view id) { + kind = arg_id_kind::name; arg_id = arg_ref(id); return 0; } }; template struct parse_arg_id_result { + arg_id_kind kind; 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 handler = arg_id_handler{arg_id_kind::none, arg_ref{}}; auto arg_id_end = parse_arg_id(begin, end, handler); - return parse_arg_id_result{handler.arg_id, arg_id_end}; + return parse_arg_id_result{handler.kind, handler.arg_id, arg_id_end}; } template struct field_type { @@ -363,18 +384,18 @@ constexpr auto compile_format_string(S fmt) { 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) { + if constexpr (arg_id_result.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; + constexpr auto arg_index = arg_id_result.arg_id.index; return parse_replacement_field_then_tail, Args, arg_id_end_pos, arg_index, manual_indexing_id>( fmt); - } else if constexpr (arg_id_result.arg_id.kind == arg_id_kind::name) { + } else if constexpr (arg_id_result.kind == arg_id_kind::name) { constexpr auto arg_index = - get_arg_index_by_name(arg_id_result.arg_id.val.name, Args{}); + get_arg_index_by_name(arg_id_result.arg_id.name, Args{}); if constexpr (arg_index >= 0) { constexpr auto next_id = ID != manual_indexing_id ? ID + 1 : manual_indexing_id; @@ -383,8 +404,7 @@ constexpr auto compile_format_string(S fmt) { arg_index, next_id>(fmt); } else if constexpr (c == '}') { return parse_tail( - runtime_named_field{arg_id_result.arg_id.val.name}, - fmt); + runtime_named_field{arg_id_result.arg_id.name}, fmt); } else if constexpr (c == ':') { return unknown_format(); // no type info for specs parsing } @@ -496,15 +516,17 @@ template ::value)> FMT_CONSTEXPR20 auto formatted_size(const S& fmt, const Args&... args) -> size_t { - return fmt::format_to(detail::counting_iterator(), fmt, args...).count(); + auto buf = detail::counting_buffer<>(); + fmt::format_to(appender(buf), fmt, args...); + return buf.count(); } template ::value)> void print(std::FILE* f, const S& fmt, const Args&... args) { - memory_buffer buffer; - fmt::format_to(std::back_inserter(buffer), fmt, args...); - detail::print(f, {buffer.data(), buffer.size()}); + auto buf = memory_buffer(); + fmt::format_to(appender(buf), fmt, args...); + detail::print(f, {buf.data(), buf.size()}); } template constexpr auto operator""_cf() { +template constexpr auto operator""_cf() { using char_t = remove_cvref_t; return detail::udl_compiled_string(); diff --git a/thirdparty/fmt/include/fmt/format-inl.h b/thirdparty/fmt/include/fmt/format-inl.h index a887483b6..a5b79dbe4 100644 --- a/thirdparty/fmt/include/fmt/format-inl.h +++ b/thirdparty/fmt/include/fmt/format-inl.h @@ -14,10 +14,6 @@ # include # include # include - -# if !defined(FMT_STATIC_THOUSANDS_SEPARATOR) -# include -# endif #endif #if defined(_WIN32) && !defined(FMT_USE_WRITE_CONSOLE) @@ -26,16 +22,22 @@ #include "format.h" +#if FMT_USE_LOCALE +# include +#endif + +#ifndef FMT_FUNC +# define FMT_FUNC +#endif + 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(); + // writing to stderr fails. + fprintf(stderr, "%s:%d: assertion failed: %s", file, line, message); + abort(); } FMT_FUNC void format_error_code(detail::buffer& out, int error_code, @@ -61,86 +63,95 @@ FMT_FUNC void format_error_code(detail::buffer& out, int error_code, FMT_ASSERT(out.size() <= inline_buffer_size, ""); } -FMT_FUNC void report_error(format_func func, int error_code, - const char* message) noexcept { +FMT_FUNC void do_report_error(format_func func, int error_code, + const char* message) noexcept { memory_buffer full_message; func(full_message, error_code, message); - // Don't use fwrite_fully because the latter may throw. + // Don't use fwrite_all 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 count, FILE* stream) { +inline void fwrite_all(const void* ptr, size_t count, FILE* stream) { size_t written = std::fwrite(ptr, 1, count, stream); if (written < count) FMT_THROW(system_error(errno, FMT_STRING("cannot write to file"))); } -#ifndef FMT_STATIC_THOUSANDS_SEPARATOR +#if FMT_USE_LOCALE +using std::locale; +using std::numpunct; +using std::use_facet; + template locale_ref::locale_ref(const Locale& loc) : locale_(&loc) { - static_assert(std::is_same::value, ""); + static_assert(std::is_same::value, ""); } +#else +struct locale {}; +template struct numpunct { + auto grouping() const -> std::string { return "\03"; } + auto thousands_sep() const -> Char { return ','; } + auto decimal_point() const -> Char { return '.'; } +}; +template Facet use_facet(locale) { return {}; } +#endif // FMT_USE_LOCALE template auto locale_ref::get() const -> Locale { - static_assert(std::is_same::value, ""); - return locale_ ? *static_cast(locale_) : std::locale(); + static_assert(std::is_same::value, ""); +#if FMT_USE_LOCALE + if (locale_) return *static_cast(locale_); +#endif + return locale(); } template FMT_FUNC auto thousands_sep_impl(locale_ref loc) -> thousands_sep_result { - auto& facet = std::use_facet>(loc.get()); + auto&& facet = 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 auto decimal_point_impl(locale_ref loc) -> Char { - return std::use_facet>(loc.get()) - .decimal_point(); + return 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 +#if FMT_USE_LOCALE FMT_FUNC auto write_loc(appender out, loc_value value, const format_specs& specs, locale_ref loc) -> bool { -#ifdef FMT_STATIC_THOUSANDS_SEPARATOR - value.visit(loc_writer<>{ - out, specs, std::string(1, FMT_STATIC_THOUSANDS_SEPARATOR), "\3", "."}); - return true; -#else auto locale = loc.get(); // We cannot use the num_put facet because it may produce output in // a wrong encoding. using facet = format_facet; if (std::has_facet(locale)) - return std::use_facet(locale).put(out, value, specs); + return use_facet(locale).put(out, value, specs); return facet(locale).put(out, value, specs); -#endif } +#endif } // namespace detail FMT_FUNC void report_error(const char* message) { +#if FMT_USE_EXCEPTIONS + // Use FMT_THROW instead of throw to avoid bogus unreachable code warnings + // from MSVC. FMT_THROW(format_error(message)); +#else + fputs(message, stderr); + abort(); +#endif } template typename Locale::id format_facet::id; -#ifndef FMT_STATIC_THOUSANDS_SEPARATOR template format_facet::format_facet(Locale& loc) { - auto& numpunct = std::use_facet>(loc); - grouping_ = numpunct.grouping(); - if (!grouping_.empty()) separator_ = std::string(1, numpunct.thousands_sep()); + auto& np = detail::use_facet>(loc); + grouping_ = np.grouping(); + if (!grouping_.empty()) separator_ = std::string(1, np.thousands_sep()); } +#if FMT_USE_LOCALE template <> FMT_API FMT_FUNC auto format_facet::do_put( appender out, loc_value val, const format_specs& specs) const -> bool { @@ -1425,7 +1436,7 @@ FMT_FUNC void format_system_error(detail::buffer& out, int error_code, FMT_FUNC void report_system_error(int error_code, const char* message) noexcept { - report_error(format_system_error, error_code, message); + do_report_error(format_system_error, error_code, message); } FMT_FUNC auto vformat(string_view fmt, format_args args) -> std::string { @@ -1438,6 +1449,15 @@ FMT_FUNC auto vformat(string_view fmt, format_args args) -> std::string { namespace detail { +FMT_FUNC void vformat_to(buffer& buf, string_view fmt, format_args args, + locale_ref loc) { + auto out = appender(buf); + if (fmt.size() == 2 && equal2(fmt.data(), "{}")) + return args.get(0).visit(default_arg_formatter{out}); + parse_format_string( + fmt, format_handler{parse_context(fmt), {out, args, loc}}); +} + template struct span { T* data; size_t size; @@ -1508,6 +1528,7 @@ template class glibc_file : public file_base { void init_buffer() { if (this->file_->_IO_write_ptr) return; // Force buffer initialization by placing and removing a char in a buffer. + assume(this->file_->_IO_write_ptr >= this->file_->_IO_write_end); putc_unlocked(0, this->file_); --this->file_->_IO_write_ptr; } @@ -1615,7 +1636,7 @@ template class fallback_file : public file_base { }; #ifndef FMT_USE_FALLBACK_FILE -# define FMT_USE_FALLBACK_FILE 1 +# define FMT_USE_FALLBACK_FILE 0 #endif template // std::signbit -# include // uint32_t -# include // std::memcpy -# include // std::initializer_list -# include // std::numeric_limits +# include // std::signbit +# include // std::byte +# include // uint32_t +# include // std::memcpy +# include // std::numeric_limits +# include // std::bad_alloc # if defined(__GLIBCXX__) && !defined(_GLIBCXX_USE_DUAL_ABI) // Workaround for pre gcc 5 libstdc++. # include // std::allocator_traits @@ -54,7 +55,7 @@ # include // std::string # include // std::system_error -// Checking FMT_CPLUSPLUS for warning suppression in MSVC. +// Check FMT_CPLUSPLUS to avoid a warning in MSVC. # if FMT_HAS_INCLUDE() && FMT_CPLUSPLUS > 201703L # include // std::bit_cast # endif @@ -65,26 +66,42 @@ # include # define FMT_USE_STRING_VIEW # endif + +# if FMT_MSC_VERSION +# include // _BitScanReverse[64], _umul128 +# endif #endif // FMT_MODULE +#if defined(FMT_USE_NONTYPE_TEMPLATE_ARGS) +// Use the provided definition. +#elif defined(__NVCOMPILER) +# define FMT_USE_NONTYPE_TEMPLATE_ARGS 0 +#elif FMT_GCC_VERSION >= 903 && FMT_CPLUSPLUS >= 201709L +# define FMT_USE_NONTYPE_TEMPLATE_ARGS 1 +#elif defined(__cpp_nontype_template_args) && \ + __cpp_nontype_template_args >= 201911L +# define FMT_USE_NONTYPE_TEMPLATE_ARGS 1 +#elif FMT_CLANG_VERSION >= 1200 && FMT_CPLUSPLUS >= 202002L +# define FMT_USE_NONTYPE_TEMPLATE_ARGS 1 +#else +# define FMT_USE_NONTYPE_TEMPLATE_ARGS 0 +#endif + #if defined __cpp_inline_variables && __cpp_inline_variables >= 201606L # define FMT_INLINE_VARIABLE inline #else # define FMT_INLINE_VARIABLE #endif -#ifndef FMT_NO_UNIQUE_ADDRESS -# if FMT_CPLUSPLUS >= 202002L -# if FMT_HAS_CPP_ATTRIBUTE(no_unique_address) -# define FMT_NO_UNIQUE_ADDRESS [[no_unique_address]] -// VS2019 v16.10 and later except clang-cl (https://reviews.llvm.org/D110485). -# elif (FMT_MSC_VERSION >= 1929) && !FMT_CLANG_VERSION -# define FMT_NO_UNIQUE_ADDRESS [[msvc::no_unique_address]] -# endif -# endif -#endif -#ifndef FMT_NO_UNIQUE_ADDRESS -# define FMT_NO_UNIQUE_ADDRESS +// Check if RTTI is disabled. +#ifdef FMT_USE_RTTI +// Use the provided definition. +#elif defined(__GXX_RTTI) || FMT_HAS_FEATURE(cxx_rtti) || defined(_CPPRTTI) || \ + defined(__INTEL_RTTI__) || defined(__RTTI) +// __RTTI is for EDG compilers. _CPPRTTI is for MSVC. +# define FMT_USE_RTTI 1 +#else +# define FMT_USE_RTTI 0 #endif // Visibility when compiled as a shared library/object. @@ -94,12 +111,6 @@ # define FMT_SO_VISIBILITY(value) #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 @@ -107,14 +118,18 @@ #endif namespace std { -template <> struct iterator_traits { +template struct iterator_traits> { using iterator_category = output_iterator_tag; - using value_type = char; + using value_type = T; + using difference_type = + decltype(static_cast(nullptr) - static_cast(nullptr)); + using pointer = void; + using reference = void; }; } // namespace std #ifndef FMT_THROW -# if FMT_EXCEPTIONS +# if FMT_USE_EXCEPTIONS # if FMT_MSC_VERSION || defined(__NVCC__) FMT_BEGIN_NAMESPACE namespace detail { @@ -133,30 +148,8 @@ FMT_END_NAMESPACE # else # define FMT_THROW(x) \ ::fmt::detail::assert_fail(__FILE__, __LINE__, (x).what()) -# endif -#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 - -#ifndef FMT_USE_USER_DEFINED_LITERALS -// EDG based compilers (Intel, NVIDIA, Elbrus, etc), GCC and MSVC support UDLs. -// -// GCC before 4.9 requires a space in `operator"" _a` which is invalid in later -// compiler versions. -# if (FMT_HAS_FEATURE(cxx_user_literals) || FMT_GCC_VERSION >= 409 || \ - FMT_MSC_VERSION >= 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 +# endif // FMT_USE_EXCEPTIONS +#endif // FMT_THROW // Defining FMT_REDUCE_INT_INSTANTIATIONS to 1, will reduce the number of // integer formatter template instantiations to just one by only using the @@ -166,7 +159,15 @@ FMT_END_NAMESPACE # define FMT_REDUCE_INT_INSTANTIATIONS 0 #endif -// __builtin_clz is broken in clang with Microsoft CodeGen: +FMT_BEGIN_NAMESPACE + +template +struct is_contiguous> + : std::true_type {}; + +namespace detail { + +// __builtin_clz is broken in clang with Microsoft codegen: // https://github.com/fmtlib/fmt/issues/519. #if !FMT_MSC_VERSION # if FMT_HAS_BUILTIN(__builtin_clz) || FMT_GCC_VERSION || FMT_ICC_VERSION @@ -177,53 +178,30 @@ FMT_END_NAMESPACE # endif #endif -// __builtin_ctz is broken in Intel Compiler Classic on Windows: -// https://github.com/fmtlib/fmt/issues/2510. -#ifndef __ICL -# if FMT_HAS_BUILTIN(__builtin_ctz) || FMT_GCC_VERSION || FMT_ICC_VERSION || \ - defined(__NVCOMPILER) -# define FMT_BUILTIN_CTZ(n) __builtin_ctz(n) -# endif -# if FMT_HAS_BUILTIN(__builtin_ctzll) || FMT_GCC_VERSION || \ - FMT_ICC_VERSION || defined(__NVCOMPILER) -# define FMT_BUILTIN_CTZLL(n) __builtin_ctzll(n) -# endif -#endif - -#if FMT_MSC_VERSION -# include // _BitScanReverse[64], _BitScanForward[64], _umul128 -#endif - -// Some compilers masquerade as both MSVC and GCC-likes or otherwise support +// Some compilers masquerade as both MSVC and GCC but 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_VERSION && !defined(FMT_BUILTIN_CLZLL) && \ - !defined(FMT_BUILTIN_CTZLL) -FMT_BEGIN_NAMESPACE -namespace detail { +#if FMT_MSC_VERSION && !defined(FMT_BUILTIN_CLZLL) // Avoid Clang with Microsoft CodeGen's -Wunknown-pragmas warning. -# if !defined(__clang__) -# pragma intrinsic(_BitScanForward) +# ifndef __clang__ # pragma intrinsic(_BitScanReverse) -# if defined(_WIN64) -# pragma intrinsic(_BitScanForward64) +# ifdef _WIN64 # pragma intrinsic(_BitScanReverse64) # endif # endif inline auto clz(uint32_t x) -> int { + FMT_ASSERT(x != 0, ""); + FMT_MSC_WARNING(suppress : 6102) // Suppress a bogus static analysis warning. 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 { + FMT_ASSERT(x != 0, ""); + FMT_MSC_WARNING(suppress : 6102) // Suppress a bogus static analysis warning. unsigned long r = 0; # ifdef _WIN64 _BitScanReverse64(&r, x); @@ -234,48 +212,10 @@ inline auto clzll(uint64_t x) -> int { // 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) -} // namespace detail -FMT_END_NAMESPACE -#endif - -FMT_BEGIN_NAMESPACE - -template -struct is_contiguous> - : std::true_type {}; - -namespace detail { +#endif // FMT_MSC_VERSION && !defined(FMT_BUILTIN_CLZLL) FMT_CONSTEXPR inline void abort_fuzzing_if(bool condition) { ignore_unused(condition); @@ -287,7 +227,20 @@ FMT_CONSTEXPR inline void abort_fuzzing_if(bool condition) { #if defined(FMT_USE_STRING_VIEW) template using std_string_view = std::basic_string_view; #else -template struct std_string_view {}; +template struct std_string_view { + operator basic_string_view() const; +}; +#endif + +template struct string_literal { + static constexpr Char value[sizeof...(C)] = {C...}; + constexpr operator basic_string_view() const { + return {value, sizeof...(C)}; + } +}; +#if FMT_CPLUSPLUS < 201703L +template +constexpr Char string_literal::value[sizeof...(C)]; #endif // Implementation of std::bit_cast for pre-C++20. @@ -359,13 +312,14 @@ class uint128_fallback { -> uint128_fallback { return {~n.hi_, ~n.lo_}; } - friend auto operator+(const uint128_fallback& lhs, - const uint128_fallback& rhs) -> uint128_fallback { + friend FMT_CONSTEXPR auto operator+(const uint128_fallback& lhs, + const uint128_fallback& rhs) + -> uint128_fallback { auto result = uint128_fallback(lhs); result += rhs; return result; } - friend auto operator*(const uint128_fallback& lhs, uint32_t rhs) + friend FMT_CONSTEXPR auto operator*(const uint128_fallback& lhs, uint32_t rhs) -> uint128_fallback { FMT_ASSERT(lhs.hi_ == 0, ""); uint64_t hi = (lhs.lo_ >> 32) * rhs; @@ -373,7 +327,7 @@ class uint128_fallback { uint64_t new_lo = (hi << 32) + lo; return {(hi >> 32) + (new_lo < lo ? 1 : 0), new_lo}; } - friend auto operator-(const uint128_fallback& lhs, uint64_t rhs) + friend constexpr auto operator-(const uint128_fallback& lhs, uint64_t rhs) -> uint128_fallback { return {lhs.hi_ - (lhs.lo_ < rhs ? 1 : 0), lhs.lo_ - rhs}; } @@ -453,17 +407,17 @@ template <> constexpr auto num_bits() -> int { return 128; } // and 128-bit pointers to uint128_fallback. template sizeof(From))> inline auto bit_cast(const From& from) -> To { - constexpr auto size = static_cast(sizeof(From) / sizeof(unsigned)); + constexpr auto size = static_cast(sizeof(From) / sizeof(unsigned short)); struct data_t { - unsigned value[static_cast(size)]; + unsigned short value[static_cast(size)]; } data = bit_cast(from); auto result = To(); if (const_check(is_big_endian())) { for (int i = 0; i < size; ++i) - result = (result << num_bits()) | data.value[i]; + result = (result << num_bits()) | data.value[i]; } else { for (int i = size - 1; i >= 0; --i) - result = (result << num_bits()) | data.value[i]; + result = (result << num_bits()) | data.value[i]; } return result; } @@ -499,21 +453,6 @@ FMT_INLINE void assume(bool 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(); -} - // 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 = 307 && !FMT_ICC_VERSION __attribute__((no_sanitize("undefined"))) #endif -inline auto +FMT_CONSTEXPR20 inline auto reserve(OutputIt it, size_t n) -> typename OutputIt::value_type* { auto& c = get_container(it); size_t size = c.size(); c.resize(size + n); - return get_data(c) + size; + return &c[size]; } template -inline auto reserve(basic_appender it, size_t n) -> basic_appender { +FMT_CONSTEXPR20 inline auto reserve(basic_appender it, size_t n) + -> basic_appender { buffer& buf = get_container(it); buf.try_reserve(buf.size() + n); return it; @@ -550,10 +490,11 @@ template constexpr auto to_pointer(OutputIt, size_t) -> T* { return nullptr; } -template auto to_pointer(basic_appender it, size_t n) -> T* { +template +FMT_CONSTEXPR20 auto to_pointer(basic_appender it, size_t n) -> T* { buffer& buf = get_container(it); + buf.try_reserve(buf.size() + n); auto size = buf.size(); - buf.try_reserve(size + n); if (buf.capacity() < size + n) return nullptr; buf.try_resize(size + n); return buf.data() + size; @@ -583,9 +524,7 @@ FMT_CONSTEXPR auto fill_n(OutputIt out, Size count, const T& value) } template FMT_CONSTEXPR20 auto fill_n(T* out, Size count, char value) -> T* { - if (is_constant_evaluated()) { - return fill_n(out, count, value); - } + if (is_constant_evaluated()) return fill_n(out, count, value); std::memset(out, value, to_unsigned(count)); return out + count; } @@ -664,6 +603,7 @@ FMT_CONSTEXPR void for_each_codepoint(string_view s, F f) { string_view(ptr, error ? 1 : to_unsigned(end - buf_ptr))); return result ? (error ? buf_ptr + 1 : end) : nullptr; }; + auto p = s.data(); const size_t block_size = 4; // utf8_decode always reads blocks of 4 chars. if (s.size() >= block_size) { @@ -672,17 +612,20 @@ FMT_CONSTEXPR void for_each_codepoint(string_view s, F f) { if (!p) return; } } - if (auto num_chars_left = s.data() + s.size() - p) { - char buf[2 * block_size - 1] = {}; - copy(p, p + num_chars_left, buf); - const char* buf_ptr = buf; - do { - auto end = decode(buf_ptr, p); - if (!end) return; - p += end - buf_ptr; - buf_ptr = end; - } while (buf_ptr - buf < num_chars_left); - } + auto num_chars_left = to_unsigned(s.data() + s.size() - p); + if (num_chars_left == 0) return; + + // Suppress bogus -Wstringop-overflow. + if (FMT_GCC_VERSION) num_chars_left &= 3; + char buf[2 * block_size - 1] = {}; + copy(p, p + num_chars_left, buf); + const char* buf_ptr = buf; + do { + auto end = decode(buf_ptr, p); + if (!end) return; + p += end - buf_ptr; + buf_ptr = end; + } while (buf_ptr < buf + num_chars_left); } template @@ -697,7 +640,7 @@ FMT_CONSTEXPR inline auto compute_width(string_view s) -> size_t { struct count_code_points { size_t* count; FMT_CONSTEXPR auto operator()(uint32_t cp, string_view) const -> bool { - *count += detail::to_unsigned( + *count += to_unsigned( 1 + (cp >= 0x1100 && (cp <= 0x115f || // Hangul Jamo init. consonants @@ -727,8 +670,7 @@ FMT_CONSTEXPR inline auto compute_width(string_view s) -> size_t { 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; + return min_of(n, s.size()); } // Calculates the index of the nth code point in a UTF-8 string. @@ -761,16 +703,6 @@ using is_integer = !std::is_same::value && !std::is_same::value>; -#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 - #if defined(FMT_USE_FLOAT128) // Use the provided definition. #elif FMT_CLANG_VERSION && FMT_HAS_INCLUDE() @@ -784,7 +716,7 @@ using is_integer = #if FMT_USE_FLOAT128 using float128 = __float128; #else -using float128 = void; +struct float128 {}; #endif template using is_float128 = std::is_same; @@ -805,10 +737,21 @@ using is_double_double = bool_constant::digits == 106>; # define FMT_USE_FULL_CACHE_DRAGONBOX 0 #endif -template -struct is_locale : std::false_type {}; -template -struct is_locale> : std::true_type {}; +// An allocator that uses malloc/free to allow removing dependency on the C++ +// standard libary runtime. +template struct allocator { + using value_type = T; + + T* allocate(size_t n) { + FMT_ASSERT(n <= max_value() / sizeof(T), ""); + T* p = static_cast(malloc(n * sizeof(T))); + if (!p) FMT_THROW(std::bad_alloc()); + return p; + } + + void deallocate(T* p, size_t) { free(p); } +}; + } // namespace detail FMT_BEGIN_EXPORT @@ -831,7 +774,7 @@ enum { inline_buffer_size = 500 }; * converted to `std::string` with `to_string(out)`. */ template > + typename Allocator = detail::allocator> class basic_memory_buffer : public detail::buffer { private: T store_[SIZE]; @@ -855,7 +798,7 @@ class basic_memory_buffer : public detail::buffer { if (size > new_capacity) new_capacity = size; else if (new_capacity > max_size) - new_capacity = size > max_size ? size : max_size; + new_capacity = max_of(size, max_size); T* old_data = buf.data(); T* new_data = self.alloc_.allocate(new_capacity); // Suppress a bogus -Wstringop-overflow in gcc 13.1 (#3481). @@ -873,7 +816,7 @@ class basic_memory_buffer : public detail::buffer { using value_type = T; using const_reference = const T&; - FMT_CONSTEXPR20 explicit basic_memory_buffer( + FMT_CONSTEXPR explicit basic_memory_buffer( const Allocator& alloc = Allocator()) : detail::buffer(grow), alloc_(alloc) { this->set(store_, SIZE); @@ -921,36 +864,69 @@ class basic_memory_buffer : public detail::buffer { /// Resizes the buffer to contain `count` elements. If T is a POD type new /// elements may not be initialized. - FMT_CONSTEXPR20 void resize(size_t count) { this->try_resize(count); } + FMT_CONSTEXPR 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); } using detail::buffer::append; template - void append(const ContiguousRange& range) { + FMT_CONSTEXPR20 void append(const ContiguousRange& range) { append(range.data(), range.data() + range.size()); } }; using memory_buffer = basic_memory_buffer; -template -struct is_contiguous> : std::true_type { +template +FMT_NODISCARD auto to_string(const basic_memory_buffer& buf) + -> std::string { + auto size = buf.size(); + detail::assume(size < std::string().max_size()); + return {buf.data(), size}; +} + +// A writer to a buffered stream. It doesn't own the underlying stream. +class writer { + private: + detail::buffer* buf_; + + // We cannot create a file buffer in advance because any write to a FILE may + // invalidate it. + FILE* file_; + + public: + inline writer(FILE* f) : buf_(nullptr), file_(f) {} + inline writer(detail::buffer& buf) : buf_(&buf) {} + + /// Formats `args` according to specifications in `fmt` and writes the + /// output to the file. + template void print(format_string fmt, T&&... args) { + if (buf_) + fmt::format_to(appender(*buf_), fmt, std::forward(args)...); + else + fmt::print(file_, fmt, std::forward(args)...); + } }; -FMT_END_EXPORT -namespace detail { -FMT_API auto write_console(int fd, string_view text) -> bool; -FMT_API void print(std::FILE*, string_view); -} // namespace detail +class string_buffer { + private: + std::string str_; + detail::container_buffer buf_; -FMT_BEGIN_EXPORT + public: + inline string_buffer() : buf_(str_) {} + + inline operator writer() { return buf_; } + inline std::string& str() { return str_; } +}; + +template +struct is_contiguous> : std::true_type { +}; // Suppress a misleading warning in older versions of clang. -#if FMT_CLANG_VERSION -# pragma clang diagnostic ignored "-Wweak-vtables" -#endif +FMT_PRAGMA_CLANG(diagnostic ignored "-Wweak-vtables") /// An error reported from a formatting function. class FMT_SO_VISIBILITY("default") format_error : public std::runtime_error { @@ -958,125 +934,36 @@ class FMT_SO_VISIBILITY("default") format_error : public std::runtime_error { using std::runtime_error::runtime_error; }; -namespace detail_exported { -#if FMT_USE_NONTYPE_TEMPLATE_ARGS +class loc_value; + +FMT_END_EXPORT +namespace detail { +FMT_API auto write_console(int fd, string_view text) -> bool; +FMT_API void print(FILE*, string_view); +} // namespace detail + +namespace detail { template struct fixed_string { - constexpr fixed_string(const Char (&str)[N]) { - detail::copy(static_cast(str), - str + N, data); + FMT_CONSTEXPR20 fixed_string(const Char (&s)[N]) { + detail::copy(static_cast(s), s + N, + data); } Char data[N] = {}; }; -#endif // Converts a compile-time string to basic_string_view. -template +FMT_EXPORT 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 +FMT_EXPORT template constexpr auto compile_string_to_view(basic_string_view s) -> basic_string_view { return s; } -} // namespace detail_exported - -// A generic formatting context with custom output iterator and character -// (code unit) support. Char is the format string code unit type which can be -// different from OutputIt::value_type. -template class generic_context { - private: - OutputIt out_; - basic_format_args args_; - detail::locale_ref loc_; - - public: - using char_type = Char; - using iterator = OutputIt; - using parse_context_type = basic_format_parse_context; - template using formatter_type = formatter; - - constexpr generic_context(OutputIt out, - basic_format_args ctx_args, - detail::locale_ref loc = {}) - : out_(out), args_(ctx_args), loc_(loc) {} - generic_context(generic_context&&) = default; - generic_context(const generic_context&) = delete; - void operator=(const generic_context&) = delete; - - constexpr auto arg(int id) const -> basic_format_arg { - return args_.get(id); - } - auto arg(basic_string_view name) -> basic_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 out() -> iterator { return out_; } - - void advance_to(iterator it) { - if (!detail::is_back_insert_iterator()) out_ = it; - } - - FMT_CONSTEXPR auto locale() -> detail::locale_ref { return loc_; } -}; - -class loc_value { - private: - basic_format_arg value_; - - public: - template ::value)> - loc_value(T value) : value_(detail::make_arg(value)) {} - - template ::value)> - loc_value(T) {} - - template auto visit(Visitor&& vis) -> decltype(vis(0)) { - return value_.visit(vis); - } -}; - -// A locale facet that formats values in UTF-8. -// It is parameterized on the locale to avoid the heavy include. -template class format_facet : public Locale::facet { - private: - std::string separator_; - std::string grouping_; - std::string decimal_point_; - - protected: - virtual auto do_put(appender out, loc_value val, - const format_specs& specs) const -> bool; - - public: - static FMT_API typename Locale::id id; - - explicit format_facet(Locale& loc); - explicit format_facet(string_view sep = "", - std::initializer_list g = {3}, - std::string decimal_point = ".") - : separator_(sep.data(), sep.size()), - grouping_(g.begin(), g.end()), - decimal_point_(decimal_point) {} - - auto put(appender out, loc_value val, const format_specs& specs) const - -> bool { - return do_put(out, val, specs); - } -}; - -FMT_END_EXPORT - -namespace detail { // Returns true if value is negative, false otherwise. // Same as `value < 0` but doesn't produce warnings if T is an unsigned type. @@ -1089,14 +976,6 @@ constexpr auto is_negative(T) -> bool { return false; } -template -FMT_CONSTEXPR auto is_supported_floating_point(T) -> bool { - if (std::is_same()) return FMT_USE_FLOAT; - if (std::is_same()) return FMT_USE_DOUBLE; - if (std::is_same()) return FMT_USE_LONG_DOUBLE; - return true; -} - // Smallest of uint32_t, uint64_t, uint128_t that is large enough to // represent all values of an integral type T. template @@ -1113,21 +992,22 @@ using uint64_or_128_t = conditional_t() <= 64, uint64_t, uint128_t>; (factor) * 100000000, (factor) * 1000000000 // Converts value in the range [0, 100) to a string. -constexpr auto digits2(size_t value) -> const char* { - // GCC generates slightly better code when value is pointer-size. - return &"0001020304050607080910111213141516171819" - "2021222324252627282930313233343536373839" - "4041424344454647484950515253545556575859" - "6061626364656667686970717273747576777879" - "8081828384858687888990919293949596979899"[value * 2]; -} - -// Sign is a template parameter to workaround a bug in gcc 4.8. -template constexpr auto sign(Sign s) -> Char { -#if !FMT_GCC_VERSION || FMT_GCC_VERSION >= 604 - static_assert(std::is_same::value, ""); -#endif - return static_cast(((' ' << 24) | ('+' << 16) | ('-' << 8)) >> (s * 8)); +// GCC generates slightly better code when value is pointer-size. +inline auto digits2(size_t value) -> const char* { + // Align data since unaligned access may be slower when crossing a + // hardware-specific boundary. + alignas(2) static const char data[] = + "0001020304050607080910111213141516171819" + "2021222324252627282930313233343536373839" + "4041424344454647484950515253545556575859" + "6061626364656667686970717273747576777879" + "8081828384858687888990919293949596979899"; + return &data[value * 2]; +} + +template constexpr auto getsign(sign s) -> Char { + return static_cast(((' ' << 24) | ('+' << 16) | ('-' << 8)) >> + (static_cast(s) * 8)); } template FMT_CONSTEXPR auto count_digits_fallback(T n) -> int { @@ -1175,7 +1055,7 @@ inline auto do_count_digits(uint64_t n) -> int { // 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()) return do_count_digits(n); + if (!is_constant_evaluated() && !FMT_OPTIMIZE_SIZE) return do_count_digits(n); #endif return count_digits_fallback(n); } @@ -1225,9 +1105,7 @@ FMT_INLINE auto do_count_digits(uint32_t n) -> int { // 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()) { - return do_count_digits(n); - } + if (!is_constant_evaluated() && !FMT_OPTIMIZE_SIZE) return do_count_digits(n); #endif return count_digits_fallback(n); } @@ -1264,6 +1142,17 @@ template <> inline auto decimal_point(locale_ref loc) -> wchar_t { return decimal_point_impl(loc); } +#ifndef FMT_HEADER_ONLY +FMT_BEGIN_EXPORT +extern template FMT_API auto thousands_sep_impl(locale_ref) + -> thousands_sep_result; +extern template FMT_API auto thousands_sep_impl(locale_ref) + -> thousands_sep_result; +extern template FMT_API auto decimal_point_impl(locale_ref) -> char; +extern template FMT_API auto decimal_point_impl(locale_ref) -> wchar_t; +FMT_END_EXPORT +#endif // FMT_HEADER_ONLY + // Compares two characters for equality. template auto equal2(const Char* lhs, const char* rhs) -> bool { return lhs[0] == Char(rhs[0]) && lhs[1] == Char(rhs[1]); @@ -1272,82 +1161,98 @@ inline auto equal2(const char* lhs, const char* rhs) -> bool { return memcmp(lhs, rhs, 2) == 0; } -// Copies two characters from src to dst. +// Writes a two-digit value to out. template -FMT_CONSTEXPR20 FMT_INLINE void copy2(Char* dst, const char* src) { - if (!is_constant_evaluated() && sizeof(Char) == sizeof(char)) { - memcpy(dst, src, 2); +FMT_CONSTEXPR20 FMT_INLINE void write2digits(Char* out, size_t value) { + if (!is_constant_evaluated() && std::is_same::value && + !FMT_OPTIMIZE_SIZE) { + memcpy(out, digits2(value), 2); return; } - *dst++ = static_cast(*src++); - *dst = static_cast(*src); + *out++ = static_cast('0' + value / 10); + *out = static_cast('0' + value % 10); } -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. +// Formats a decimal unsigned integer value writing to 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_CONSTEXPR20 auto do_format_decimal(Char* out, UInt value, int size) + -> Char* { FMT_ASSERT(size >= count_digits(value), "invalid digit count"); - out += size; - Char* end = out; + unsigned n = to_unsigned(size); 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, digits2(static_cast(value % 100))); + n -= 2; + write2digits(out + n, static_cast(value % 100)); value /= 100; } - if (value < 10) { - *--out = static_cast('0' + value); - return {out, end}; + if (value >= 10) { + n -= 2; + write2digits(out + n, static_cast(value)); + } else { + out[--n] = static_cast('0' + value); } - out -= 2; - copy2(out, digits2(static_cast(value))); - return {out, end}; + return out + n; } -template >::value)> -FMT_CONSTEXPR 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_noinline(buffer, end, out)}; +template +FMT_CONSTEXPR FMT_INLINE auto format_decimal(Char* out, UInt value, + int num_digits) -> Char* { + do_format_decimal(out, value, num_digits); + return out + num_digits; } -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" : "0123456789abcdef"; - unsigned digit = static_cast(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 >::value)> +FMT_CONSTEXPR auto format_decimal(OutputIt out, UInt value, int num_digits) + -> OutputIt { + if (auto ptr = to_pointer(out, to_unsigned(num_digits))) { + do_format_decimal(ptr, value, num_digits); + return out; + } + // Buffer is large enough to hold all digits (digits10 + 1). + char buffer[digits10() + 1]; + if (is_constant_evaluated()) fill_n(buffer, sizeof(buffer), '\0'); + do_format_decimal(buffer, value, num_digits); + return copy_noinline(buffer, buffer + num_digits, out); +} + +template +FMT_CONSTEXPR auto do_format_base2e(int base_bits, Char* out, UInt value, + int size, bool upper = false) -> Char* { + out += size; + do { + const char* digits = upper ? "0123456789ABCDEF" : "0123456789abcdef"; + unsigned digit = static_cast(value & ((1 << base_bits) - 1)); + *--out = static_cast(base_bits < 4 ? static_cast('0' + digit) + : digits[digit]); + } while ((value >>= base_bits) != 0); + return out; +} + +// Formats an unsigned integer in the power of two base (binary, octal, hex). +template +FMT_CONSTEXPR auto format_base2e(int base_bits, Char* out, UInt value, + int num_digits, bool upper = false) -> Char* { + do_format_base2e(base_bits, out, value, num_digits, upper); + return out + num_digits; } -template -FMT_CONSTEXPR inline auto format_uint(It out, UInt value, int num_digits, - bool upper = false) -> It { +template ::value)> +FMT_CONSTEXPR inline auto format_base2e(int base_bits, OutputIt out, UInt value, + int num_digits, bool upper = false) + -> OutputIt { if (auto ptr = to_pointer(out, to_unsigned(num_digits))) { - format_uint(ptr, value, num_digits, upper); + format_base2e(base_bits, 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); + // Make buffer large enough for any base. + char buffer[num_bits()]; + if (is_constant_evaluated()) fill_n(buffer, sizeof(buffer), '\0'); + format_base2e(base_bits, buffer, value, num_digits, upper); return detail::copy_noinline(buffer, buffer + num_digits, out); } @@ -1358,10 +1263,12 @@ class utf8_to_utf16 { 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()}; } + inline operator basic_string_view() const { + return {&buffer_[0], size()}; + } + inline auto size() const -> size_t { return buffer_.size() - 1; } + inline auto c_str() const -> const wchar_t* { return &buffer_[0]; } + inline auto str() const -> std::wstring { return {&buffer_[0], size()}; } }; enum class to_utf8_error_policy { abort, replace }; @@ -1408,10 +1315,12 @@ template class to_utf8 { if (policy == to_utf8_error_policy::abort) return false; buf.append(string_view("\xEF\xBF\xBD")); --p; + continue; } else { c = (c << 10) + static_cast(*p) - 0x35fdc00; } - } else if (c < 0x80) { + } + if (c < 0x80) { buf.push_back(static_cast(c)); } else if (c < 0x800) { buf.push_back(static_cast(0xc0 | (c >> 6))); @@ -1579,25 +1488,30 @@ template constexpr auto exponent_bias() -> int { } // Writes the exponent exp in the form "[+-]d{2,3}" to buffer. -template -FMT_CONSTEXPR auto write_exponent(int exp, It it) -> It { +template +FMT_CONSTEXPR auto write_exponent(int exp, OutputIt out) -> OutputIt { FMT_ASSERT(-10000 < exp && exp < 10000, "exponent out of range"); if (exp < 0) { - *it++ = static_cast('-'); + *out++ = static_cast('-'); exp = -exp; } else { - *it++ = static_cast('+'); + *out++ = static_cast('+'); } - if (exp >= 100) { - const char* top = digits2(to_unsigned(exp / 100)); - if (exp >= 1000) *it++ = static_cast(top[0]); - *it++ = static_cast(top[1]); - exp %= 100; - } - const char* d = digits2(to_unsigned(exp)); - *it++ = static_cast(d[0]); - *it++ = static_cast(d[1]); - return it; + auto uexp = static_cast(exp); + if (is_constant_evaluated()) { + if (uexp < 10) *out++ = '0'; + return format_decimal(out, uexp, count_digits(uexp)); + } + if (uexp >= 100u) { + const char* top = digits2(uexp / 100); + if (uexp >= 1000u) *out++ = static_cast(top[0]); + *out++ = static_cast(top[1]); + uexp %= 100; + } + const char* d = digits2(uexp); + *out++ = static_cast(d[0]); + *out++ = static_cast(d[1]); + return out; } // A floating-point number f * pow(2, e) where F is an unsigned type. @@ -1699,11 +1613,11 @@ constexpr auto convert_float(T value) -> convert_float_result { } 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.template get()); - if (const Char* data = fill.template data()) { +FMT_NOINLINE FMT_CONSTEXPR auto fill(OutputIt it, size_t n, + const basic_specs& specs) -> OutputIt { + auto fill_size = specs.fill_size(); + if (fill_size == 1) return detail::fill_n(it, n, specs.fill_unit()); + if (const Char* data = specs.fill()) { for (size_t i = 0; i < n; ++i) it = copy(data, data + fill_size, it); } return it; @@ -1712,36 +1626,38 @@ FMT_NOINLINE FMT_CONSTEXPR auto fill(OutputIt it, size_t n, const fill_t& fill) // 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 format_specs& specs, size_t size, size_t width, F&& f) -> OutputIt { - static_assert(align == align::left || align == align::right, ""); + static_assert(default_align == align::left || default_align == align::right, + ""); unsigned spec_width = to_unsigned(specs.width); size_t padding = spec_width > width ? spec_width - width : 0; // Shifts are encoded as string literals because static constexpr is not // supported in constexpr functions. - auto* shifts = align == align::left ? "\x1f\x1f\x00\x01" : "\x00\x1f\x00\x01"; - size_t left_padding = padding >> shifts[specs.align]; + auto* shifts = + default_align == align::left ? "\x1f\x1f\x00\x01" : "\x00\x1f\x00\x01"; + size_t left_padding = padding >> shifts[static_cast(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); + auto it = reserve(out, size + padding * specs.fill_size()); + if (left_padding != 0) it = fill(it, left_padding, specs); it = f(it); - if (right_padding != 0) it = fill(it, right_padding, specs.fill); + if (right_padding != 0) it = fill(it, right_padding, specs); return base_iterator(out, it); } -template constexpr auto write_padded(OutputIt out, const format_specs& specs, size_t size, F&& f) -> OutputIt { - return write_padded(out, specs, size, size, f); + return write_padded(out, specs, size, size, f); } -template +template FMT_CONSTEXPR auto write_bytes(OutputIt out, string_view bytes, const format_specs& specs = {}) -> OutputIt { - return write_padded( + return write_padded( out, specs, bytes.size(), [bytes](reserve_iterator it) { const char* data = bytes.data(); return copy(data, data + bytes.size(), it); @@ -1756,7 +1672,7 @@ auto write_ptr(OutputIt out, UIntPtr value, const format_specs* specs) auto write = [=](reserve_iterator it) { *it++ = static_cast('0'); *it++ = static_cast('x'); - return format_uint<4, Char>(it, value, num_digits); + return format_base2e(4, it, value, num_digits); }; return specs ? write_padded(out, *specs, size, write) : base_iterator(out, write(reserve(out, size))); @@ -1766,8 +1682,9 @@ auto write_ptr(OutputIt out, UIntPtr value, const format_specs* specs) FMT_API auto is_printable(uint32_t cp) -> bool; inline auto needs_escape(uint32_t cp) -> bool { - return cp < 0x20 || cp == 0x7f || cp == '"' || cp == '\\' || - !is_printable(cp); + if (cp < 0x20 || cp == 0x7f || cp == '"' || cp == '\\') return true; + if (const_check(FMT_OPTIMIZE_SIZE > 1)) return false; + return !is_printable(cp); } template struct find_escape_result { @@ -1789,7 +1706,7 @@ auto find_escape(const Char* begin, const Char* end) inline auto find_escape(const char* begin, const char* end) -> find_escape_result { - if (!use_utf8()) return find_escape(begin, end); + if (const_check(!use_utf8)) return find_escape(begin, end); auto result = find_escape_result{end, nullptr, 0}; for_each_codepoint(string_view(begin, to_unsigned(end - begin)), [&](uint32_t cp, string_view sv) { @@ -1802,37 +1719,13 @@ inline auto find_escape(const char* begin, const char* end) return result; } -#define FMT_STRING_IMPL(s, base, explicit) \ - [] { \ - /* Use the hidden visibility as a workaround for a GCC bug (#1973). */ \ - /* Use a macro-like name to avoid shadowing warnings. */ \ - struct FMT_VISIBILITY("hidden") FMT_COMPILE_STRING : base { \ - using char_type FMT_MAYBE_UNUSED = fmt::remove_cvref_t; \ - FMT_MAYBE_UNUSED FMT_CONSTEXPR explicit \ - operator fmt::basic_string_view() const { \ - return fmt::detail_exported::compile_string_to_view(s); \ - } \ - }; \ - return FMT_COMPILE_STRING(); \ - }() - -/** - * Constructs a compile-time format string from a string literal `s`. - * - * **Example**: - * - * // A compile-time error because 'd' is an invalid specifier for strings. - * std::string s = fmt::format(FMT_STRING("{:d}"), "foo"); - */ -#define FMT_STRING(s) FMT_STRING_IMPL(s, fmt::detail::compile_string, ) - template auto write_codepoint(OutputIt out, char prefix, uint32_t cp) -> OutputIt { *out++ = static_cast('\\'); *out++ = static_cast(prefix); Char buf[width]; fill_n(buf, width, static_cast('0')); - format_uint<4>(buf, cp, width); + format_base2e(4, buf, cp, width); return copy(buf, buf + width, out); } @@ -1853,13 +1746,9 @@ auto write_escaped_cp(OutputIt out, const find_escape_result& escape) *out++ = static_cast('\\'); c = static_cast('t'); break; - case '"': - FMT_FALLTHROUGH; - case '\'': - FMT_FALLTHROUGH; - case '\\': - *out++ = static_cast('\\'); - break; + case '"': FMT_FALLTHROUGH; + case '\'': FMT_FALLTHROUGH; + case '\\': *out++ = static_cast('\\'); break; default: if (escape.cp < 0x100) return write_codepoint<2, Char>(out, 'x', escape.cp); if (escape.cp < 0x10000) @@ -1912,7 +1801,7 @@ auto write_escaped_char(OutputIt out, Char v) -> OutputIt { template FMT_CONSTEXPR auto write_char(OutputIt out, Char value, const format_specs& specs) -> OutputIt { - bool is_debug = specs.type == presentation_type::debug; + bool is_debug = specs.type() == presentation_type::debug; return write_padded(out, specs, 1, [=](reserve_iterator it) { if (is_debug) return write_escaped_char(it, value); *it++ = value; @@ -1930,56 +1819,6 @@ FMT_CONSTEXPR auto write(OutputIt out, Char value, const format_specs& 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 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 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 class digit_grouping { private: std::string grouping_; @@ -2002,7 +1841,9 @@ template class digit_grouping { } public: - explicit digit_grouping(locale_ref loc, bool localized = true) { + template ::value)> + explicit digit_grouping(Locale loc, bool localized = true) { if (!localized) return; auto sep = thousands_sep(loc); grouping_ = sep.grouping; @@ -2057,34 +1898,32 @@ auto write_int(OutputIt out, UInt value, unsigned prefix, static_assert(std::is_same, UInt>::value, ""); int num_digits = 0; auto buffer = memory_buffer(); - switch (specs.type) { - default: - FMT_ASSERT(false, ""); - FMT_FALLTHROUGH; + switch (specs.type()) { + default: FMT_ASSERT(false, ""); FMT_FALLTHROUGH; case presentation_type::none: case presentation_type::dec: num_digits = count_digits(value); format_decimal(appender(buffer), value, num_digits); break; case presentation_type::hex: - if (specs.alt) - prefix_append(prefix, unsigned(specs.upper ? 'X' : 'x') << 8 | '0'); + if (specs.alt()) + prefix_append(prefix, unsigned(specs.upper() ? 'X' : 'x') << 8 | '0'); num_digits = count_digits<4>(value); - format_uint<4, char>(appender(buffer), value, num_digits, specs.upper); + format_base2e(4, appender(buffer), value, num_digits, specs.upper()); break; case presentation_type::oct: num_digits = count_digits<3>(value); // Octal prefix '0' is counted as a digit, so only add it if precision // is not greater than the number of digits. - if (specs.alt && specs.precision <= num_digits && value != 0) + if (specs.alt() && specs.precision <= num_digits && value != 0) prefix_append(prefix, '0'); - format_uint<3, char>(appender(buffer), value, num_digits); + format_base2e(3, appender(buffer), value, num_digits); break; case presentation_type::bin: - if (specs.alt) - prefix_append(prefix, unsigned(specs.upper ? 'B' : 'b') << 8 | '0'); + if (specs.alt()) + prefix_append(prefix, unsigned(specs.upper() ? 'B' : 'b') << 8 | '0'); num_digits = count_digits<1>(value); - format_uint<1, char>(appender(buffer), value, num_digits); + format_base2e(1, appender(buffer), value, num_digits); break; case presentation_type::chr: return write_char(out, static_cast(value), specs); @@ -2100,12 +1939,14 @@ auto write_int(OutputIt out, UInt value, unsigned prefix, }); } +#if FMT_USE_LOCALE // Writes a localized value. FMT_API auto write_loc(appender out, loc_value value, const format_specs& specs, locale_ref loc) -> bool; +#endif template -inline auto write_loc(OutputIt, loc_value, const format_specs&, locale_ref) - -> bool { +inline auto write_loc(OutputIt, const loc_value&, const format_specs&, + locale_ref) -> bool { return false; } @@ -2115,7 +1956,7 @@ template struct write_int_arg { }; template -FMT_CONSTEXPR auto make_write_int_arg(T value, sign_t sign) +FMT_CONSTEXPR auto make_write_int_arg(T value, sign s) -> write_int_arg> { auto prefix = 0u; auto abs_value = static_cast>(value); @@ -2125,7 +1966,7 @@ FMT_CONSTEXPR auto make_write_int_arg(T value, sign_t sign) } else { constexpr const unsigned prefixes[4] = {0, 0, 0x1000000u | '+', 0x1000000u | ' '}; - prefix = prefixes[sign]; + prefix = prefixes[static_cast(s)]; } return {abs_value, prefix}; } @@ -2139,7 +1980,7 @@ template struct loc_writer { template ::value)> auto operator()(T value) -> bool { - auto arg = make_write_int_arg(value, specs.sign); + auto arg = make_write_int_arg(value, specs.sign()); write_int(out, static_cast>(arg.abs_value), arg.prefix, specs, digit_grouping(grouping, sep)); return true; @@ -2151,65 +1992,99 @@ template struct loc_writer { } }; +// Size and padding computation separate from write_int to avoid template bloat. +struct size_padding { + unsigned size; + unsigned padding; + + FMT_CONSTEXPR size_padding(int num_digits, unsigned prefix, + const 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); + } + } +}; + template FMT_CONSTEXPR FMT_INLINE auto write_int(OutputIt out, write_int_arg arg, - const format_specs& specs, locale_ref) - -> OutputIt { + const format_specs& specs) -> OutputIt { static_assert(std::is_same>::value, ""); + + constexpr int buffer_size = num_bits(); + char buffer[buffer_size]; + if (is_constant_evaluated()) fill_n(buffer, buffer_size, '\0'); + const char* begin = nullptr; + const char* end = buffer + buffer_size; + auto abs_value = arg.abs_value; auto prefix = arg.prefix; - switch (specs.type) { - default: - FMT_ASSERT(false, ""); - FMT_FALLTHROUGH; + switch (specs.type()) { + default: FMT_ASSERT(false, ""); FMT_FALLTHROUGH; case presentation_type::none: - case presentation_type::dec: { - int 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 presentation_type::hex: { - if (specs.alt) - prefix_append(prefix, unsigned(specs.upper ? 'X' : 'x') << 8 | '0'); - 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, specs.upper); - }); - } + case presentation_type::dec: + begin = do_format_decimal(buffer, abs_value, buffer_size); + break; + case presentation_type::hex: + begin = do_format_base2e(4, buffer, abs_value, buffer_size, specs.upper()); + if (specs.alt()) + prefix_append(prefix, unsigned(specs.upper() ? 'X' : 'x') << 8 | '0'); + break; case presentation_type::oct: { - int num_digits = count_digits<3>(abs_value); + begin = do_format_base2e(3, buffer, abs_value, buffer_size); // Octal prefix '0' is counted as a digit, so only add it if precision // is not greater than the number of digits. - if (specs.alt && specs.precision <= num_digits && abs_value != 0) + auto num_digits = end - begin; + if (specs.alt() && specs.precision <= num_digits && abs_value != 0) 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 presentation_type::bin: { - if (specs.alt) - prefix_append(prefix, unsigned(specs.upper ? 'B' : 'b') << 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); - }); + break; } + case presentation_type::bin: + begin = do_format_base2e(1, buffer, abs_value, buffer_size); + if (specs.alt()) + prefix_append(prefix, unsigned(specs.upper() ? 'B' : 'b') << 8 | '0'); + break; case presentation_type::chr: return write_char(out, static_cast(abs_value), specs); } + + // Write an integer in the format + // + // prefix contains chars in three lower bytes and the size in the fourth byte. + int num_digits = static_cast(end - begin); + // 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)); + for (unsigned p = prefix & 0xffffff; p != 0; p >>= 8) + *it++ = static_cast(p & 0xff); + return base_iterator(out, copy(begin, end, it)); + } + auto sp = size_padding(num_digits, prefix, specs); + unsigned padding = sp.padding; + return write_padded( + out, specs, sp.size, [=](reserve_iterator it) { + for (unsigned p = prefix & 0xffffff; p != 0; p >>= 8) + *it++ = static_cast(p & 0xff); + it = detail::fill_n(it, padding, static_cast('0')); + return copy(begin, end, it); + }); } + template FMT_CONSTEXPR FMT_NOINLINE auto write_int_noinline(OutputIt out, write_int_arg arg, - const format_specs& specs, - locale_ref loc) -> OutputIt { - return write_int(out, arg, specs, loc); + const format_specs& specs) + -> OutputIt { + return write_int(out, arg, specs); } + template ::value && !std::is_same::value && @@ -2217,10 +2092,11 @@ template out, T value, const format_specs& specs, locale_ref loc) -> basic_appender { - if (specs.localized && write_loc(out, value, specs, loc)) return out; - return write_int_noinline(out, make_write_int_arg(value, specs.sign), - specs, loc); + if (specs.localized() && write_loc(out, value, specs, loc)) return out; + return write_int_noinline(out, make_write_int_arg(value, specs.sign()), + specs); } + // An inlined version of write used in format string compilation. template ::value && @@ -2230,51 +2106,10 @@ template OutputIt { - if (specs.localized && write_loc(out, value, specs, loc)) return out; - return write_int(out, make_write_int_arg(value, specs.sign), specs, - loc); + if (specs.localized() && write_loc(out, value, specs, loc)) return out; + return write_int(out, make_write_int_arg(value, specs.sign()), specs); } -// 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; - FMT_UNCHECKED_ITERATOR(counting_iterator); - - struct value_type { - template FMT_CONSTEXPR void operator=(const T&) {} - }; - - FMT_CONSTEXPR counting_iterator() : count_(0) {} - - FMT_CONSTEXPR auto count() const -> size_t { return count_; } - - FMT_CONSTEXPR auto operator++() -> counting_iterator& { - ++count_; - return *this; - } - FMT_CONSTEXPR auto operator++(int) -> counting_iterator { - auto it = *this; - ++*this; - return it; - } - - FMT_CONSTEXPR friend auto operator+(counting_iterator it, difference_type n) - -> counting_iterator { - it.count_ += static_cast(n); - return it; - } - - FMT_CONSTEXPR auto operator*() const -> value_type { return {}; } -}; - template FMT_CONSTEXPR auto write(OutputIt out, basic_string_view s, const format_specs& specs) -> OutputIt { @@ -2282,33 +2117,34 @@ FMT_CONSTEXPR auto write(OutputIt out, basic_string_view s, auto size = s.size(); if (specs.precision >= 0 && to_unsigned(specs.precision) < size) size = code_point_index(s, to_unsigned(specs.precision)); - bool is_debug = specs.type == presentation_type::debug; - size_t width = 0; - if (is_debug) size = write_escaped_string(counting_iterator{}, s).count(); + bool is_debug = specs.type() == presentation_type::debug; + if (is_debug) { + auto buf = counting_buffer(); + write_escaped_string(basic_appender(buf), s); + size = buf.count(); + } + size_t width = 0; if (specs.width != 0) { - if (is_debug) - width = size; - else - width = compute_width(basic_string_view(data, size)); + width = + is_debug ? size : compute_width(basic_string_view(data, size)); } - return write_padded(out, specs, size, width, - [=](reserve_iterator it) { - if (is_debug) return write_escaped_string(it, s); - return copy(data, data + size, it); - }); + return write_padded( + out, specs, size, width, [=](reserve_iterator it) { + return is_debug ? write_escaped_string(it, s) + : copy(data, data + size, it); + }); } template -FMT_CONSTEXPR auto write(OutputIt out, - basic_string_view> s, +FMT_CONSTEXPR auto write(OutputIt out, basic_string_view s, const format_specs& specs, locale_ref) -> OutputIt { return write(out, s, specs); } template FMT_CONSTEXPR auto write(OutputIt out, const Char* s, const format_specs& specs, locale_ref) -> OutputIt { - if (specs.type == presentation_type::pointer) + if (specs.type() == presentation_type::pointer) return write_ptr(out, bit_cast(s), &specs); if (!s) report_error("string pointer is null"); return write(out, basic_string_view(s), specs, {}); @@ -2331,30 +2167,23 @@ FMT_CONSTEXPR auto write(OutputIt out, T value) -> OutputIt { return out; } if (negative) *out++ = static_cast('-'); - return format_decimal(out, abs_value, num_digits).end; + return format_decimal(out, abs_value, num_digits); } -// DEPRECATED! template FMT_CONSTEXPR auto parse_align(const Char* begin, const Char* end, format_specs& specs) -> const Char* { FMT_ASSERT(begin != end, ""); - auto align = align::none; + auto alignment = align::none; auto p = begin + code_point_length(begin); if (end - p <= 0) p = begin; for (;;) { switch (to_ascii(*p)) { - case '<': - align = align::left; - break; - case '>': - align = align::right; - break; - case '^': - align = align::center; - break; + case '<': alignment = align::left; break; + case '>': alignment = align::right; break; + case '^': alignment = align::center; break; } - if (align != align::none) { + if (alignment != align::none) { if (p != begin) { auto c = *begin; if (c == '}') return begin; @@ -2362,7 +2191,7 @@ FMT_CONSTEXPR auto parse_align(const Char* begin, const Char* end, report_error("invalid fill character '{'"); return begin; } - specs.fill = basic_string_view(begin, to_unsigned(p - begin)); + specs.set_fill(basic_string_view(begin, to_unsigned(p - begin))); begin = p + 1; } else { ++begin; @@ -2373,68 +2202,25 @@ FMT_CONSTEXPR auto parse_align(const Char* begin, const Char* end, } p = begin; } - specs.align = align; + specs.set_align(alignment); return begin; } -// 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. -}; - -struct float_specs { - int precision; - float_format format : 8; - sign_t sign : 8; - bool locale : 1; - bool binary32 : 1; - bool showpoint : 1; -}; - -// DEPRECATED! -FMT_CONSTEXPR inline auto parse_float_type_spec(const format_specs& specs) - -> float_specs { - auto result = float_specs(); - result.showpoint = specs.alt; - result.locale = specs.localized; - switch (specs.type) { - default: - FMT_FALLTHROUGH; - case presentation_type::none: - result.format = float_format::general; - break; - case presentation_type::exp: - result.format = float_format::exp; - result.showpoint |= specs.precision != 0; - break; - case presentation_type::fixed: - result.format = float_format::fixed; - result.showpoint |= specs.precision != 0; - break; - case presentation_type::general: - result.format = float_format::general; - break; - } - return result; -} - template FMT_CONSTEXPR20 auto write_nonfinite(OutputIt out, bool isnan, - format_specs specs, sign_t sign) - -> OutputIt { + format_specs specs, sign s) -> OutputIt { auto str = - isnan ? (specs.upper ? "NAN" : "nan") : (specs.upper ? "INF" : "inf"); + isnan ? (specs.upper() ? "NAN" : "nan") : (specs.upper() ? "INF" : "inf"); constexpr size_t str_size = 3; - auto size = str_size + (sign ? 1 : 0); + auto size = str_size + (s != sign::none ? 1 : 0); // Replace '0'-padding with space for non-finite values. const bool is_zero_fill = - specs.fill.size() == 1 && specs.fill.template get() == '0'; - if (is_zero_fill) specs.fill = ' '; + specs.fill_size() == 1 && specs.fill_unit() == '0'; + if (is_zero_fill) specs.set_fill(' '); return write_padded(out, specs, size, [=](reserve_iterator it) { - if (sign) *it++ = detail::sign(sign); + if (s != sign::none) + *it++ = detail::getsign(s); return copy(str, str + str_size, it); }); } @@ -2462,7 +2248,7 @@ constexpr auto write_significand(OutputIt out, const char* significand, template inline auto write_significand(OutputIt out, UInt significand, int significand_size) -> OutputIt { - return format_decimal(out, significand, significand_size).end; + return format_decimal(out, significand, significand_size); } template FMT_CONSTEXPR20 auto write_significand(OutputIt out, T significand, @@ -2482,14 +2268,13 @@ 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; + if (!decimal_point) return format_decimal(out, significand, significand_size); out += significand_size + 1; Char* end = out; int floating_size = significand_size - integral_size; for (int i = floating_size / 2; i > 0; --i) { out -= 2; - copy2(out, digits2(static_cast(significand % 100))); + write2digits(out, static_cast(significand % 100)); significand /= 100; } if (floating_size % 2 != 0) { @@ -2546,33 +2331,31 @@ FMT_CONSTEXPR20 auto write_significand(OutputIt out, T significand, template > FMT_CONSTEXPR20 auto do_write_float(OutputIt out, const DecimalFP& f, - const format_specs& specs, - float_specs fspecs, locale_ref loc) - -> OutputIt { + const format_specs& specs, sign s, + locale_ref loc) -> OutputIt { auto significand = f.significand; int significand_size = get_significand_size(f); const Char zero = static_cast('0'); - auto sign = fspecs.sign; - size_t size = to_unsigned(significand_size) + (sign ? 1 : 0); + size_t size = to_unsigned(significand_size) + (s != sign::none ? 1 : 0); using iterator = reserve_iterator; - Char decimal_point = - fspecs.locale ? detail::decimal_point(loc) : static_cast('.'); + Char decimal_point = specs.localized() ? detail::decimal_point(loc) + : static_cast('.'); int output_exp = f.exponent + significand_size - 1; auto use_exp_format = [=]() { - if (fspecs.format == float_format::exp) return true; - if (fspecs.format != float_format::general) return false; + if (specs.type() == presentation_type::exp) return true; + if (specs.type() == presentation_type::fixed) 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); + output_exp >= (specs.precision > 0 ? specs.precision : exp_upper); }; if (use_exp_format()) { int num_zeros = 0; - if (fspecs.showpoint) { - num_zeros = fspecs.precision - significand_size; + if (specs.alt()) { + num_zeros = specs.precision - significand_size; if (num_zeros < 0) num_zeros = 0; size += to_unsigned(num_zeros); } else if (significand_size == 1) { @@ -2583,9 +2366,9 @@ FMT_CONSTEXPR20 auto do_write_float(OutputIt out, const DecimalFP& f, 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 = specs.upper ? 'E' : 'e'; + char exp_char = specs.upper() ? 'E' : 'e'; auto write = [=](iterator it) { - if (sign) *it++ = detail::sign(sign); + if (s != sign::none) *it++ = detail::getsign(s); // Insert a decimal point after the first digit and add an exponent. it = write_significand(it, significand, significand_size, 1, decimal_point); @@ -2602,31 +2385,32 @@ FMT_CONSTEXPR20 auto do_write_float(OutputIt out, const DecimalFP& f, if (f.exponent >= 0) { // 1234e5 -> 123400000[.0+] size += to_unsigned(f.exponent); - int num_zeros = fspecs.precision - exp; + int num_zeros = specs.precision - exp; abort_fuzzing_if(num_zeros > 5000); - if (fspecs.showpoint) { + if (specs.alt()) { ++size; - if (num_zeros <= 0 && fspecs.format != float_format::fixed) num_zeros = 0; + if (num_zeros <= 0 && specs.type() != presentation_type::fixed) + num_zeros = 0; if (num_zeros > 0) size += to_unsigned(num_zeros); } - auto grouping = Grouping(loc, fspecs.locale); + auto grouping = Grouping(loc, specs.localized()); size += to_unsigned(grouping.count_separators(exp)); return write_padded(out, specs, size, [&](iterator it) { - if (sign) *it++ = detail::sign(sign); + if (s != sign::none) *it++ = detail::getsign(s); it = write_significand(it, significand, significand_size, f.exponent, grouping); - if (!fspecs.showpoint) return it; + if (!specs.alt()) 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); - auto grouping = Grouping(loc, fspecs.locale); + int num_zeros = specs.alt() ? specs.precision - significand_size : 0; + size += 1 + static_cast(max_of(num_zeros, 0)); + auto grouping = Grouping(loc, specs.localized()); size += to_unsigned(grouping.count_separators(exp)); return write_padded(out, specs, size, [&](iterator it) { - if (sign) *it++ = detail::sign(sign); + if (s != sign::none) *it++ = detail::getsign(s); it = write_significand(it, significand, significand_size, exp, decimal_point, grouping); return num_zeros > 0 ? detail::fill_n(it, num_zeros, zero) : it; @@ -2634,14 +2418,14 @@ FMT_CONSTEXPR20 auto do_write_float(OutputIt out, const DecimalFP& f, } // 1234e-6 -> 0.001234 int num_zeros = -exp; - if (significand_size == 0 && fspecs.precision >= 0 && - fspecs.precision < num_zeros) { - num_zeros = fspecs.precision; + if (significand_size == 0 && specs.precision >= 0 && + specs.precision < num_zeros) { + num_zeros = specs.precision; } - bool pointy = num_zeros != 0 || significand_size != 0 || fspecs.showpoint; + bool pointy = num_zeros != 0 || significand_size != 0 || specs.alt(); size += 1 + (pointy ? 1 : 0) + to_unsigned(num_zeros); return write_padded(out, specs, size, [&](iterator it) { - if (sign) *it++ = detail::sign(sign); + if (s != sign::none) *it++ = detail::getsign(s); *it++ = zero; if (!pointy) return it; *it++ = decimal_point; @@ -2666,14 +2450,13 @@ template class fallback_digit_grouping { template FMT_CONSTEXPR20 auto write_float(OutputIt out, const DecimalFP& f, - const format_specs& specs, float_specs fspecs, + const format_specs& specs, sign s, locale_ref loc) -> OutputIt { if (is_constant_evaluated()) { return do_write_float>(out, f, specs, fspecs, - loc); + fallback_digit_grouping>(out, f, specs, s, loc); } else { - return do_write_float(out, f, specs, fspecs, loc); + return do_write_float(out, f, specs, s, loc); } } @@ -2726,52 +2509,48 @@ inline FMT_CONSTEXPR20 void adjust_precision(int& precision, int exp10) { 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; + // A bigint is a number in the form bigit_[N - 1] ... bigit_[0] * 32^exp_. + using bigit = uint32_t; // A big digit. using double_bigit = uint64_t; + enum { bigit_bits = num_bits() }; enum { bigits_capacity = 32 }; basic_memory_buffer bigits_; int exp_; - FMT_CONSTEXPR20 auto operator[](int index) const -> bigit { - return bigits_[to_unsigned(index)]; - } - FMT_CONSTEXPR20 auto operator[](int index) -> bigit& { - return bigits_[to_unsigned(index)]; - } - - static constexpr const int bigit_bits = num_bits(); - friend struct formatter; - FMT_CONSTEXPR20 void subtract_bigits(int index, bigit other, bigit& borrow) { - auto result = static_cast((*this)[index]) - other - borrow; - (*this)[index] = static_cast(result); + FMT_CONSTEXPR auto get_bigit(int i) const -> bigit { + return i >= exp_ && i < num_bigits() ? bigits_[i - exp_] : 0; + } + + FMT_CONSTEXPR void subtract_bigits(int index, bigit other, bigit& borrow) { + auto result = double_bigit(bigits_[index]) - other - borrow; + bigits_[index] = static_cast(result); borrow = static_cast(result >> (bigit_bits * 2 - 1)); } - FMT_CONSTEXPR20 void remove_leading_zeros() { + FMT_CONSTEXPR void remove_leading_zeros() { int num_bigits = static_cast(bigits_.size()) - 1; - while (num_bigits > 0 && (*this)[num_bigits] == 0) --num_bigits; + while (num_bigits > 0 && bigits_[num_bigits] == 0) --num_bigits; bigits_.resize(to_unsigned(num_bigits + 1)); } // Computes *this -= other assuming aligned bigints and *this >= other. - FMT_CONSTEXPR20 void subtract_aligned(const bigint& other) { + FMT_CONSTEXPR 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); + if (borrow != 0) subtract_bigits(i, 0, borrow); + FMT_ASSERT(borrow == 0, ""); remove_leading_zeros(); } - FMT_CONSTEXPR20 void multiply(uint32_t value) { - const double_bigit wide_value = value; + FMT_CONSTEXPR void multiply(uint32_t value) { bigit carry = 0; + const double_bigit wide_value = value; for (size_t i = 0, n = bigits_.size(); i < n; ++i) { double_bigit result = bigits_[i] * wide_value + carry; bigits_[i] = static_cast(result); @@ -2782,7 +2561,7 @@ class bigint { template ::value || std::is_same::value)> - FMT_CONSTEXPR20 void multiply(UInt value) { + FMT_CONSTEXPR void multiply(UInt value) { using half_uint = conditional_t::value, uint64_t, uint32_t>; const int shift = num_bits() - bigit_bits; @@ -2803,7 +2582,7 @@ class bigint { template ::value || std::is_same::value)> - FMT_CONSTEXPR20 void assign(UInt n) { + FMT_CONSTEXPR void assign(UInt n) { size_t num_bigits = 0; do { bigits_[num_bigits++] = static_cast(n); @@ -2814,13 +2593,13 @@ class bigint { } public: - FMT_CONSTEXPR20 bigint() : exp_(0) {} + FMT_CONSTEXPR bigint() : exp_(0) {} explicit bigint(uint64_t n) { assign(n); } bigint(const bigint&) = delete; void operator=(const bigint&) = delete; - FMT_CONSTEXPR20 void assign(const bigint& other) { + FMT_CONSTEXPR void assign(const bigint& other) { auto size = other.bigits_.size(); bigits_.resize(size); auto data = other.bigits_.data(); @@ -2828,16 +2607,16 @@ class bigint { exp_ = other.exp_; } - template FMT_CONSTEXPR20 void operator=(Int n) { + template FMT_CONSTEXPR void operator=(Int n) { FMT_ASSERT(n > 0, ""); assign(uint64_or_128_t(n)); } - FMT_CONSTEXPR20 auto num_bigits() const -> int { + FMT_CONSTEXPR auto num_bigits() const -> int { return static_cast(bigits_.size()) + exp_; } - FMT_NOINLINE FMT_CONSTEXPR20 auto operator<<=(int shift) -> bigint& { + FMT_CONSTEXPR auto operator<<=(int shift) -> bigint& { FMT_ASSERT(shift >= 0, ""); exp_ += shift / bigit_bits; shift %= bigit_bits; @@ -2852,49 +2631,39 @@ class bigint { return *this; } - template - FMT_CONSTEXPR20 auto operator*=(Int value) -> bigint& { + template FMT_CONSTEXPR auto operator*=(Int value) -> bigint& { FMT_ASSERT(value > 0, ""); multiply(uint32_or_64_or_128_t(value)); return *this; } - friend FMT_CONSTEXPR20 auto compare(const bigint& lhs, const bigint& rhs) - -> int { - 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; + friend FMT_CONSTEXPR auto compare(const bigint& b1, const bigint& b2) -> int { + int num_bigits1 = b1.num_bigits(), num_bigits2 = b2.num_bigits(); + if (num_bigits1 != num_bigits2) return num_bigits1 > num_bigits2 ? 1 : -1; + int i = static_cast(b1.bigits_.size()) - 1; + int j = static_cast(b2.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; + bigit b1_bigit = b1.bigits_[i], b2_bigit = b2.bigits_[j]; + if (b1_bigit != b2_bigit) return b1_bigit > b2_bigit ? 1 : -1; } if (i != j) return i > j ? 1 : -1; return 0; } // Returns compare(lhs1 + lhs2, rhs). - friend FMT_CONSTEXPR20 auto add_compare(const bigint& lhs1, - const bigint& lhs2, const bigint& rhs) - -> int { - auto minimum = [](int a, int b) { return a < b ? a : b; }; - auto maximum = [](int a, int b) { return a > b ? a : b; }; - int max_lhs_bigits = maximum(lhs1.num_bigits(), lhs2.num_bigits()); + friend FMT_CONSTEXPR auto add_compare(const bigint& lhs1, const bigint& lhs2, + const bigint& rhs) -> int { + int max_lhs_bigits = max_of(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 = minimum(minimum(lhs1.exp_, lhs2.exp_), rhs.exp_); + int min_exp = min_of(min_of(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); + double_bigit sum = double_bigit(lhs1.get_bigit(i)) + lhs2.get_bigit(i); + bigit rhs_bigit = rhs.get_bigit(i); if (sum > rhs_bigit + borrow) return 1; borrow = rhs_bigit + borrow - sum; if (borrow > 1) return -1; @@ -2907,10 +2676,8 @@ class bigint { FMT_CONSTEXPR20 void assign_pow10(int exp) { FMT_ASSERT(exp >= 0, ""); if (exp == 0) return *this = 1; - // Find the top bit. - int bitmask = 1; - while (exp >= bitmask) bitmask <<= 1; - bitmask >>= 1; + int bitmask = 1 << (num_bits() - + countl_zero(static_cast(exp)) - 1); // pow(10, exp) = pow(5, exp) * pow(2, exp). First compute pow(5, exp) by // repeated squaring and multiplication. *this = 5; @@ -2934,17 +2701,17 @@ class bigint { // 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]; + sum += double_bigit(n[i]) * n[j]; } - (*this)[bigit_index] = static_cast(sum); + bigits_[bigit_index] = static_cast(sum); sum >>= num_bits(); // 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 += double_bigit(n[i++]) * n[j--]; + bigits_[bigit_index] = static_cast(sum); sum >>= num_bits(); } remove_leading_zeros(); @@ -2953,7 +2720,7 @@ class bigint { // If this bigint has a bigger exponent than other, adds trailing zero to make // exponents equal. This simplifies some operations such as subtraction. - FMT_CONSTEXPR20 void align(const bigint& other) { + FMT_CONSTEXPR void align(const bigint& other) { int exp_difference = exp_ - other.exp_; if (exp_difference <= 0) return; int num_bigits = static_cast(bigits_.size()); @@ -2966,7 +2733,7 @@ class bigint { // Divides this bignum by divisor, assigning the remainder to this and // returning the quotient. - FMT_CONSTEXPR20 auto divmod_assign(const bigint& divisor) -> int { + FMT_CONSTEXPR auto divmod_assign(const bigint& divisor) -> int { FMT_ASSERT(this != &divisor, ""); if (compare(*this, divisor) < 0) return 0; FMT_ASSERT(divisor.bigits_[divisor.bigits_.size() - 1u] != 0, ""); @@ -3137,18 +2904,17 @@ FMT_CONSTEXPR20 void format_hexfloat(Float value, format_specs specs, // Assume Float is in the format [sign][exponent][significand]. using carrier_uint = typename info::carrier_uint; - constexpr auto num_float_significand_bits = - detail::num_significand_bits(); + const auto num_float_significand_bits = detail::num_significand_bits(); basic_fp f(value); f.e += num_float_significand_bits; if (!has_implicit_bit()) --f.e; - constexpr auto num_fraction_bits = + const auto num_fraction_bits = num_float_significand_bits + (has_implicit_bit() ? 1 : 0); - constexpr auto num_xdigits = (num_fraction_bits + 3) / 4; + const auto num_xdigits = (num_fraction_bits + 3) / 4; - constexpr auto leading_shift = ((num_xdigits - 1) * 4); + const auto leading_shift = ((num_xdigits - 1) * 4); const auto leading_mask = carrier_uint(0xF) << leading_shift; const auto leading_xdigit = static_cast((f.f & leading_mask) >> leading_shift); @@ -3180,20 +2946,20 @@ FMT_CONSTEXPR20 void format_hexfloat(Float value, format_specs specs, char xdigits[num_bits() / 4]; detail::fill_n(xdigits, sizeof(xdigits), '0'); - format_uint<4>(xdigits, f.f, num_xdigits, specs.upper); + format_base2e(4, xdigits, f.f, num_xdigits, specs.upper()); // Remove zero tail while (print_xdigits > 0 && xdigits[print_xdigits] == '0') --print_xdigits; buf.push_back('0'); - buf.push_back(specs.upper ? 'X' : 'x'); + buf.push_back(specs.upper() ? 'X' : 'x'); buf.push_back(xdigits[0]); - if (specs.alt || print_xdigits > 0 || print_xdigits < specs.precision) + if (specs.alt() || print_xdigits > 0 || print_xdigits < specs.precision) buf.push_back('.'); buf.append(xdigits + 1, xdigits + 1 + print_xdigits); for (; print_xdigits < specs.precision; ++print_xdigits) buf.push_back('0'); - buf.push_back(specs.upper ? 'P' : 'p'); + buf.push_back(specs.upper() ? 'P' : 'p'); uint32_t abs_e; if (f.e < 0) { @@ -3224,15 +2990,15 @@ constexpr auto fractional_part_rounding_thresholds(int index) -> uint32_t { } template -FMT_CONSTEXPR20 auto format_float(Float value, int precision, float_specs specs, +FMT_CONSTEXPR20 auto format_float(Float value, int precision, + const format_specs& specs, bool binary32, buffer& buf) -> int { // float is passed as double to reduce the number of instantiations. static_assert(!std::is_same::value, ""); - FMT_ASSERT(value >= 0, "value is negative"); auto converted_value = convert_float(value); - const bool fixed = specs.format == float_format::fixed; - if (value <= 0) { // <= instead of == to silence a warning. + const bool fixed = specs.type() == presentation_type::fixed; + if (value == 0) { if (precision <= 0 || !fixed) { buf.push_back('0'); return 0; @@ -3257,16 +3023,6 @@ FMT_CONSTEXPR20 auto format_float(Float value, int precision, float_specs specs, exp = static_cast(e); if (e > exp) ++exp; // Compute ceil. dragon_flags = dragon::fixup; - } else if (precision < 0) { - // Use Dragonbox for the shortest format. - if (specs.binary32) { - auto dec = dragonbox::to_decimal(static_cast(value)); - write(appender(buf), dec.significand); - return dec.exponent; - } - auto dec = dragonbox::to_decimal(static_cast(value)); - write(appender(buf), dec.significand); - return dec.exponent; } else { // Extract significand bits and exponent bits. using info = dragonbox::float_info; @@ -3365,7 +3121,7 @@ FMT_CONSTEXPR20 auto format_float(Float value, int precision, float_specs specs, uint64_t prod; uint32_t digits; bool should_round_up; - int number_of_digits_to_print = precision > 9 ? 9 : precision; + int number_of_digits_to_print = min_of(precision, 9); // Print a 9-digits subsegment, either the first or the second. auto print_subsegment = [&](uint32_t subsegment, char* buffer) { @@ -3393,7 +3149,7 @@ FMT_CONSTEXPR20 auto format_float(Float value, int precision, float_specs specs, // for details. prod = ((subsegment * static_cast(450359963)) >> 20) + 1; digits = static_cast(prod >> 32); - copy2(buffer, digits2(digits)); + write2digits(buffer, digits); number_of_digits_printed += 2; } @@ -3401,7 +3157,7 @@ FMT_CONSTEXPR20 auto format_float(Float value, int precision, float_specs specs, while (number_of_digits_printed < number_of_digits_to_print) { prod = static_cast(prod) * static_cast(100); digits = static_cast(prod >> 32); - copy2(buffer + number_of_digits_printed, digits2(digits)); + write2digits(buffer + number_of_digits_printed, digits); number_of_digits_printed += 2; } }; @@ -3510,9 +3266,8 @@ FMT_CONSTEXPR20 auto format_float(Float value, int precision, float_specs specs, } if (use_dragon) { auto f = basic_fp(); - bool is_predecessor_closer = specs.binary32 - ? f.assign(static_cast(value)) - : f.assign(converted_value); + bool is_predecessor_closer = binary32 ? f.assign(static_cast(value)) + : f.assign(converted_value); if (is_predecessor_closer) dragon_flags |= dragon::predecessor_closer; if (fixed) dragon_flags |= dragon::fixed; // Limit precision to the maximum possible number of significant digits in @@ -3521,7 +3276,7 @@ FMT_CONSTEXPR20 auto format_float(Float value, int precision, float_specs specs, if (precision > max_double_digits) precision = max_double_digits; format_dragon(f, dragon_flags, precision, buf, exp); } - if (!fixed && !specs.showpoint) { + if (!fixed && !specs.alt()) { // Remove trailing zeros. auto num_digits = buf.size(); while (num_digits > 0 && buf[num_digits - 1] == '0') { @@ -3536,59 +3291,62 @@ FMT_CONSTEXPR20 auto format_float(Float value, int precision, float_specs specs, template FMT_CONSTEXPR20 auto write_float(OutputIt out, T value, format_specs specs, locale_ref loc) -> OutputIt { - sign_t sign = specs.sign; - if (detail::signbit(value)) { // value < 0 is false for NaN so use signbit. - sign = sign::minus; - value = -value; - } else if (sign == sign::minus) { - sign = sign::none; - } + // Use signbit because value < 0 is false for NaN. + sign s = detail::signbit(value) ? sign::minus : specs.sign(); if (!detail::isfinite(value)) - return write_nonfinite(out, detail::isnan(value), specs, sign); + return write_nonfinite(out, detail::isnan(value), specs, s); - if (specs.align == align::numeric && sign) { - auto it = reserve(out, 1); - *it++ = detail::sign(sign); - out = base_iterator(out, it); - sign = sign::none; + if (specs.align() == align::numeric && s != sign::none) { + *out++ = detail::getsign(s); + s = sign::none; if (specs.width != 0) --specs.width; } + int precision = specs.precision; + if (precision < 0) { + if (specs.type() != presentation_type::none) { + precision = 6; + } else if (is_fast_float::value && !is_constant_evaluated()) { + // Use Dragonbox for the shortest format. + using floaty = conditional_t= sizeof(double), double, float>; + auto dec = dragonbox::to_decimal(static_cast(value)); + return write_float(out, dec, specs, s, loc); + } + } + memory_buffer buffer; - if (specs.type == presentation_type::hexfloat) { - if (sign) buffer.push_back(detail::sign(sign)); + if (specs.type() == presentation_type::hexfloat) { + if (s != sign::none) buffer.push_back(detail::getsign(s)); format_hexfloat(convert_float(value), specs, buffer); return write_bytes(out, {buffer.data(), buffer.size()}, specs); } - int precision = specs.precision >= 0 || specs.type == presentation_type::none - ? specs.precision - : 6; - if (specs.type == presentation_type::exp) { + if (specs.type() == presentation_type::exp) { if (precision == max_value()) report_error("number is too big"); else ++precision; - } else if (specs.type != presentation_type::fixed && precision == 0) { + if (specs.precision != 0) specs.set_alt(); + } else if (specs.type() == presentation_type::fixed) { + if (specs.precision != 0) specs.set_alt(); + } else if (precision == 0) { precision = 1; } - float_specs fspecs = parse_float_type_spec(specs); - fspecs.sign = sign; - if (const_check(std::is_same())) fspecs.binary32 = true; - int exp = format_float(convert_float(value), precision, fspecs, buffer); - fspecs.precision = precision; + int exp = format_float(convert_float(value), precision, specs, + std::is_same(), buffer); + + specs.precision = precision; auto f = big_decimal_fp{buffer.data(), static_cast(buffer.size()), exp}; - return write_float(out, f, specs, fspecs, loc); + return write_float(out, f, specs, s, loc); } template ::value)> FMT_CONSTEXPR20 auto write(OutputIt out, T value, format_specs specs, locale_ref loc = {}) -> OutputIt { - if (const_check(!is_supported_floating_point(value))) return out; - return specs.localized && write_loc(out, value, specs, loc) + return specs.localized() && write_loc(out, value, specs, loc) ? out : write_float(out, value, specs, loc); } @@ -3597,25 +3355,18 @@ template ::value)> FMT_CONSTEXPR20 auto write(OutputIt out, T value) -> OutputIt { if (is_constant_evaluated()) return write(out, value, format_specs()); - if (const_check(!is_supported_floating_point(value))) return out; - auto sign = sign_t::none; - if (detail::signbit(value)) { - sign = sign::minus; - value = -value; - } + auto s = detail::signbit(value) ? sign::minus : sign::none; constexpr auto specs = format_specs(); - using floaty = conditional_t::value, double, T>; + using floaty = conditional_t= sizeof(double), double, float>; using floaty_uint = typename dragonbox::float_info::carrier_uint; floaty_uint mask = exponent_mask(); if ((bit_cast(value) & mask) == mask) - return write_nonfinite(out, std::isnan(value), specs, sign); + return write_nonfinite(out, std::isnan(value), specs, s); - auto fspecs = float_specs(); - fspecs.sign = sign; auto dec = dragonbox::to_decimal(static_cast(value)); - return write_float(out, dec, specs, fspecs, {}); + return write_float(out, dec, specs, s, {}); } template OutputIt { // FMT_ENABLE_IF() condition separated to workaround an 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, + 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>(value)); @@ -3660,8 +3409,8 @@ template ::value)> FMT_CONSTEXPR auto write(OutputIt out, T value, const format_specs& specs = {}, locale_ref = {}) -> OutputIt { - return specs.type != presentation_type::none && - specs.type != presentation_type::string + return specs.type() != presentation_type::none && + specs.type() != presentation_type::string ? write(out, value ? 1 : 0, specs, {}) : write_bytes(out, value ? "true" : "false", specs); } @@ -3687,158 +3436,137 @@ auto write(OutputIt out, const T* value, const format_specs& specs = {}, return write_ptr(out, bit_cast(value), &specs); } -// A write overload that handles implicit conversions. template > -FMT_CONSTEXPR auto write(OutputIt out, const T& value) -> enable_if_t< - std::is_class::value && !has_to_string_view::value && - !is_floating_point::value && !std::is_same::value && - !std::is_same().map( - value))>>::value, - OutputIt> { - return write(out, arg_mapper().map(value)); + FMT_ENABLE_IF(mapped_type_constant::value == + type::custom_type && + !std::is_fundamental::value)> +FMT_CONSTEXPR auto write(OutputIt out, const T& value) -> OutputIt { + auto f = formatter(); + auto parse_ctx = parse_context({}); + f.parse(parse_ctx); + auto ctx = basic_format_context(out, {}, {}); + return f.format(value, ctx); } -template > -FMT_CONSTEXPR auto write(OutputIt out, const T& value) - -> enable_if_t::value == - type::custom_type && - !std::is_fundamental::value, - OutputIt> { - auto formatter = typename Context::template formatter_type(); - auto parse_ctx = typename Context::parse_context_type({}); - formatter.parse(parse_ctx); - auto ctx = Context(out, {}, {}); - return formatter.format(value, ctx); -} +template +using is_builtin = + bool_constant::value || FMT_BUILTIN_TYPES>; // 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 = basic_appender; using context = buffered_context; - iterator out; - basic_format_args args; - locale_ref loc; + basic_appender out; + + void operator()(monostate) { report_error("argument not found"); } + + template ::value)> + void operator()(T value) { + write(out, value); + } - template auto operator()(T value) -> iterator { - return write(out, value); + template ::value)> + void operator()(T) { + FMT_ASSERT(false, ""); } - auto operator()(typename basic_format_arg::handle h) -> iterator { - basic_format_parse_context parse_ctx({}); - context format_ctx(out, args, loc); + + void operator()(typename basic_format_arg::handle h) { + // Use a null locale since the default format must be unlocalized. + auto parse_ctx = parse_context({}); + auto format_ctx = context(out, {}, {}); h.format(parse_ctx, format_ctx); - return format_ctx.out(); } }; template struct arg_formatter { - using iterator = basic_appender; - using context = buffered_context; - - iterator out; + basic_appender out; const format_specs& specs; - locale_ref locale; + FMT_NO_UNIQUE_ADDRESS 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 ::value)> + FMT_CONSTEXPR FMT_INLINE void operator()(T value) { + detail::write(out, value, specs, locale); } -}; -struct width_checker { - template ::value)> - FMT_CONSTEXPR auto operator()(T value) -> unsigned long long { - if (is_negative(value)) report_error("negative width"); - return static_cast(value); + template ::value)> + void operator()(T) { + FMT_ASSERT(false, ""); } - template ::value)> - FMT_CONSTEXPR auto operator()(T) -> unsigned long long { - report_error("width is not integer"); - return 0; + void operator()(typename basic_format_arg>::handle) { + // User-defined types are handled separately because they require access + // to the parse context. } }; -struct precision_checker { +struct dynamic_spec_getter { template ::value)> FMT_CONSTEXPR auto operator()(T value) -> unsigned long long { - if (is_negative(value)) report_error("negative precision"); - return static_cast(value); + return is_negative(value) ? ~0ull : static_cast(value); } template ::value)> FMT_CONSTEXPR auto operator()(T) -> unsigned long long { - report_error("precision is not integer"); + report_error("width/precision is not integer"); return 0; } }; -template -FMT_CONSTEXPR auto get_dynamic_spec(FormatArg arg) -> int { - unsigned long long value = arg.visit(Handler()); - if (value > to_unsigned(max_value())) report_error("number is too big"); - return static_cast(value); -} - template -FMT_CONSTEXPR auto get_arg(Context& ctx, ID id) -> decltype(ctx.arg(id)) { +FMT_CONSTEXPR auto get_arg(Context& ctx, ID id) -> basic_format_arg { auto arg = ctx.arg(id); if (!arg) report_error("argument not found"); return arg; } -template -FMT_CONSTEXPR void handle_dynamic_spec(int& value, - arg_ref ref, - Context& ctx) { - switch (ref.kind) { - case arg_id_kind::none: - break; - case arg_id_kind::index: - value = detail::get_dynamic_spec(get_arg(ctx, ref.val.index)); - break; - case arg_id_kind::name: - value = detail::get_dynamic_spec(get_arg(ctx, ref.val.name)); - break; - } +template +FMT_CONSTEXPR int get_dynamic_spec( + arg_id_kind kind, const arg_ref& ref, + Context& ctx) { + FMT_ASSERT(kind != arg_id_kind::none, ""); + auto arg = + kind == arg_id_kind::index ? ctx.arg(ref.index) : ctx.arg(ref.name); + if (!arg) report_error("argument not found"); + unsigned long long value = arg.visit(dynamic_spec_getter()); + if (value > to_unsigned(max_value())) + report_error("width/precision is out of range"); + return static_cast(value); } -#if FMT_USE_USER_DEFINED_LITERALS -# if FMT_USE_NONTYPE_TEMPLATE_ARGS +template +FMT_CONSTEXPR void handle_dynamic_spec( + arg_id_kind kind, int& value, + const arg_ref& ref, Context& ctx) { + if (kind != arg_id_kind::none) value = get_dynamic_spec(kind, ref, ctx); +} + +#if FMT_USE_NONTYPE_TEMPLATE_ARGS template Str> -struct statically_named_arg : view { + fmt::detail::fixed_string Str> +struct static_named_arg : view { static constexpr auto name = Str.data; const T& value; - statically_named_arg(const T& v) : value(v) {} + static_named_arg(const T& v) : value(v) {} }; template Str> -struct is_named_arg> : std::true_type {}; + fmt::detail::fixed_string Str> +struct is_named_arg> : std::true_type {}; template Str> -struct is_statically_named_arg> - : std::true_type {}; + fmt::detail::fixed_string Str> +struct is_static_named_arg> : std::true_type { +}; -template Str> +template Str> struct udl_arg { template auto operator=(T&& value) const { - return statically_named_arg(std::forward(value)); + return static_named_arg(std::forward(value)); } }; -# else +#else template struct udl_arg { const Char* str; @@ -3846,148 +3574,197 @@ template struct udl_arg { return {str, std::forward(value)}; } }; -# endif -#endif // FMT_USE_USER_DEFINED_LITERALS +#endif // FMT_USE_NONTYPE_TEMPLATE_ARGS -template -auto vformat(const Locale& loc, basic_string_view fmt, - typename detail::vformat_args::type args) - -> std::basic_string { - auto buf = basic_memory_buffer(); - detail::vformat_to(buf, fmt, args, detail::locale_ref(loc)); - return {buf.data(), buf.size()}; -} +template struct format_handler { + parse_context parse_ctx; + buffered_context ctx; + + void on_text(const Char* begin, const Char* end) { + copy_noinline(begin, end, ctx.out()); + } + + FMT_CONSTEXPR auto on_arg_id() -> int { return parse_ctx.next_arg_id(); } + FMT_CONSTEXPR auto on_arg_id(int id) -> int { + parse_ctx.check_arg_id(id); + return id; + } + FMT_CONSTEXPR auto on_arg_id(basic_string_view id) -> int { + parse_ctx.check_arg_id(id); + int arg_id = ctx.arg_id(id); + if (arg_id < 0) report_error("argument not found"); + return arg_id; + } + + FMT_INLINE void on_replacement_field(int id, const Char*) { + ctx.arg(id).visit(default_arg_formatter{ctx.out()}); + } + + auto on_format_specs(int id, const Char* begin, const Char* end) + -> const Char* { + auto arg = get_arg(ctx, id); + // Not using a visitor for custom types gives better codegen. + if (arg.format_custom(begin, parse_ctx, ctx)) return parse_ctx.begin(); + + auto specs = dynamic_format_specs(); + begin = parse_format_specs(begin, end, specs, parse_ctx, arg.type()); + if (specs.dynamic()) { + handle_dynamic_spec(specs.dynamic_width(), specs.width, specs.width_ref, + ctx); + handle_dynamic_spec(specs.dynamic_precision(), specs.precision, + specs.precision_ref, ctx); + } + + arg.visit(arg_formatter{ctx.out(), specs, ctx.locale()}); + return begin; + } + + FMT_NORETURN void on_error(const char* message) { report_error(message); } +}; using format_func = void (*)(detail::buffer&, int, const char*); +FMT_API void do_report_error(format_func func, int error_code, + const char* message) noexcept; FMT_API void format_error_code(buffer& out, int error_code, string_view message) noexcept; -using fmt::report_error; -FMT_API void report_error(format_func func, int error_code, - const char* message) noexcept; -} // namespace detail +template +template +FMT_CONSTEXPR auto native_formatter::format( + const T& val, FormatContext& ctx) const -> decltype(ctx.out()) { + if (!specs_.dynamic()) + return write(ctx.out(), val, specs_, ctx.locale()); + auto specs = format_specs(specs_); + handle_dynamic_spec(specs.dynamic_width(), specs.width, specs_.width_ref, + ctx); + handle_dynamic_spec(specs.dynamic_precision(), specs.precision, + specs_.precision_ref, ctx); + return write(ctx.out(), val, specs, ctx.locale()); +} -FMT_BEGIN_EXPORT -FMT_API auto vsystem_error(int error_code, string_view format_str, - format_args args) -> std::system_error; +// DEPRECATED! https://github.com/fmtlib/fmt/issues/4292. +template +struct is_locale : std::false_type {}; +template +struct is_locale> : std::true_type {}; -/** - * Constructs `std::system_error` with a message formatted with - * `fmt::format(fmt, args...)`. - * `error_code` is a system error code as given by `errno`. - * - * **Example**: - * - * // This throws std::system_error with the description - * // cannot open file 'madeup': No such file or directory - * // or similar (system message may vary). - * const char* filename = "madeup"; - * std::FILE* file = std::fopen(filename, "r"); - * if (!file) - * throw fmt::system_error(errno, "cannot open file '{}'", filename); - */ -template -auto system_error(int error_code, format_string fmt, T&&... args) - -> std::system_error { - return vsystem_error(error_code, fmt, fmt::make_format_args(args...)); -} +// DEPRECATED! +template struct vformat_args { + using type = basic_format_args>; +}; +template <> struct vformat_args { + using type = format_args; +}; -/** - * Formats an error message for an error returned by an operating system or a - * language runtime, for example a file opening error, and writes it to `out`. - * The format is the same as the one used by `std::system_error(ec, message)` - * where `ec` is `std::error_code(error_code, std::generic_category())`. - * It is implementation-defined but normally looks like: - * - * : - * - * where `` is the passed message and `` is the system - * message corresponding to the error code. - * `error_code` is a system error code as given by `errno`. - */ -FMT_API void format_system_error(detail::buffer& out, int error_code, - const char* message) noexcept; +template +void vformat_to(buffer& buf, basic_string_view fmt, + typename vformat_args::type args, locale_ref loc = {}) { + auto out = basic_appender(buf); + parse_format_string( + fmt, format_handler{parse_context(fmt), {out, args, loc}}); +} +} // namespace detail -// Reports a system error without throwing an exception. -// Can be used to report errors from destructors. -FMT_API void report_system_error(int error_code, const char* message) noexcept; +FMT_BEGIN_EXPORT -/// A fast integer formatter. -class format_int { +// A generic formatting context with custom output iterator and character +// (code unit) support. Char is the format string code unit type which can be +// different from OutputIt::value_type. +template class generic_context { private: - // Buffer should be large enough to hold all digits (digits10 + 1), - // a sign and a null character. - enum { buffer_size = std::numeric_limits::digits10 + 3 }; - mutable char buffer_[buffer_size]; - char* str_; + OutputIt out_; + basic_format_args args_; + detail::locale_ref loc_; - template - FMT_CONSTEXPR20 auto format_unsigned(UInt value) -> char* { - auto n = static_cast>(value); - return detail::format_decimal(buffer_, n, buffer_size - 1).begin; + public: + using char_type = Char; + using iterator = OutputIt; + using parse_context_type FMT_DEPRECATED = parse_context; + template + using formatter_type FMT_DEPRECATED = formatter; + enum { builtin_types = FMT_BUILTIN_TYPES }; + + constexpr generic_context(OutputIt out, + basic_format_args args, + detail::locale_ref loc = {}) + : out_(out), args_(args), loc_(loc) {} + generic_context(generic_context&&) = default; + generic_context(const generic_context&) = delete; + void operator=(const generic_context&) = delete; + + constexpr auto arg(int id) const -> basic_format_arg { + return args_.get(id); + } + auto arg(basic_string_view name) const + -> basic_format_arg { + return args_.get(name); + } + constexpr auto arg_id(basic_string_view name) const -> int { + return args_.get_id(name); } - template - FMT_CONSTEXPR20 auto format_signed(Int value) -> char* { - auto abs_value = static_cast>(value); - bool negative = value < 0; - if (negative) abs_value = 0 - abs_value; - auto begin = format_unsigned(abs_value); - if (negative) *--begin = '-'; - return begin; + constexpr auto out() const -> iterator { return out_; } + + void advance_to(iterator it) { + if (!detail::is_back_insert_iterator()) out_ = it; } + constexpr auto locale() const -> detail::locale_ref { return loc_; } +}; + +class loc_value { + private: + basic_format_arg value_; + public: - explicit FMT_CONSTEXPR20 format_int(int value) : str_(format_signed(value)) {} - explicit FMT_CONSTEXPR20 format_int(long value) - : str_(format_signed(value)) {} - explicit FMT_CONSTEXPR20 format_int(long long value) - : str_(format_signed(value)) {} - explicit FMT_CONSTEXPR20 format_int(unsigned value) - : str_(format_unsigned(value)) {} - explicit FMT_CONSTEXPR20 format_int(unsigned long value) - : str_(format_unsigned(value)) {} - explicit FMT_CONSTEXPR20 format_int(unsigned long long value) - : str_(format_unsigned(value)) {} + template ::value)> + loc_value(T value) : value_(value) {} - /// Returns the number of characters written to the output buffer. - FMT_CONSTEXPR20 auto size() const -> size_t { - return detail::to_unsigned(buffer_ - str_ + buffer_size - 1); + template ::value)> + loc_value(T) {} + + template auto visit(Visitor&& vis) -> decltype(vis(0)) { + return value_.visit(vis); } +}; - /// Returns a pointer to the output buffer content. No terminating null - /// character is appended. - FMT_CONSTEXPR20 auto data() const -> const char* { return str_; } +// A locale facet that formats values in UTF-8. +// It is parameterized on the locale to avoid the heavy include. +template class format_facet : public Locale::facet { + private: + std::string separator_; + std::string grouping_; + std::string decimal_point_; - /// Returns a pointer to the output buffer content with terminating null - /// character appended. - FMT_CONSTEXPR20 auto c_str() const -> const char* { - buffer_[buffer_size - 1] = '\0'; - return str_; - } + protected: + virtual auto do_put(appender out, loc_value val, + const format_specs& specs) const -> bool; - /// Returns the content of the output buffer as an `std::string`. - auto str() const -> std::string { return std::string(str_, size()); } -}; + public: + static FMT_API typename Locale::id id; -template -struct formatter::value>> - : formatter, Char> { - template - auto format(const T& value, FormatContext& ctx) const -> decltype(ctx.out()) { - auto&& val = format_as(value); // Make an lvalue reference for format. - return formatter, Char>::format(val, ctx); + explicit format_facet(Locale& loc); + explicit format_facet(string_view sep = "", std::string grouping = "\3", + std::string decimal_point = ".") + : separator_(sep.data(), sep.size()), + grouping_(grouping), + decimal_point_(decimal_point) {} + + auto put(appender out, loc_value val, const format_specs& specs) const + -> bool { + return do_put(out, val, specs); } }; -#define FMT_FORMAT_AS(Type, Base) \ - template \ - struct formatter : formatter { \ - template \ - auto format(Type value, FormatContext& ctx) const -> decltype(ctx.out()) { \ - return formatter::format(value, ctx); \ - } \ +#define FMT_FORMAT_AS(Type, Base) \ + template \ + struct formatter : formatter { \ + template \ + FMT_CONSTEXPR auto format(Type value, FormatContext& ctx) const \ + -> decltype(ctx.out()) { \ + return formatter::format(value, ctx); \ + } \ } FMT_FORMAT_AS(signed char, int); @@ -3997,16 +3774,38 @@ FMT_FORMAT_AS(unsigned short, unsigned); FMT_FORMAT_AS(long, detail::long_type); FMT_FORMAT_AS(unsigned long, detail::ulong_type); FMT_FORMAT_AS(Char*, const Char*); -FMT_FORMAT_AS(std::nullptr_t, const void*); FMT_FORMAT_AS(detail::std_string_view, basic_string_view); +FMT_FORMAT_AS(std::nullptr_t, const void*); FMT_FORMAT_AS(void*, const void*); +template +struct formatter : formatter, Char> {}; + template class formatter, Char> : public formatter, Char> {}; -template -struct formatter : formatter, Char> {}; +template +struct formatter, Char> : formatter {}; +template +struct formatter, Char> + : formatter {}; + +template +struct formatter + : detail::native_formatter {}; + +template +struct formatter>> + : formatter, Char> { + template + FMT_CONSTEXPR auto format(const T& value, FormatContext& ctx) const + -> decltype(ctx.out()) { + auto&& val = format_as(value); // Make an lvalue reference for format. + return formatter, Char>::format(val, ctx); + } +}; /** * Converts `p` to `const void*` for pointer formatting. @@ -4026,7 +3825,7 @@ template auto ptr(T p) -> const void* { * **Example**: * * enum class color { red, green, blue }; - * auto s = fmt::format("{}", fmt::underlying(color::red)); + * auto s = fmt::format("{}", fmt::underlying(color::red)); // s == "0" */ template constexpr auto underlying(Enum e) noexcept -> underlying_t { @@ -4040,13 +3839,22 @@ constexpr auto format_as(Enum e) noexcept -> underlying_t { } } // namespace enums -class bytes { - private: - string_view data_; - friend struct formatter; +#ifdef __cpp_lib_byte +template <> struct formatter : formatter { + static auto format_as(std::byte b) -> unsigned char { + return static_cast(b); + } + template + auto format(std::byte b, Context& ctx) const -> decltype(ctx.out()) { + return formatter::format(format_as(b), ctx); + } +}; +#endif - public: - explicit bytes(string_view data) : data_(data) {} +struct bytes { + string_view data; + + inline explicit bytes(string_view s) : data(s) {} }; template <> struct formatter { @@ -4054,8 +3862,7 @@ template <> struct formatter { detail::dynamic_format_specs<> specs_; public: - template - FMT_CONSTEXPR auto parse(ParseContext& ctx) -> const char* { + FMT_CONSTEXPR auto parse(parse_context<>& ctx) -> const char* { return parse_format_specs(ctx.begin(), ctx.end(), specs_, ctx, detail::type::string_type); } @@ -4063,11 +3870,11 @@ template <> struct formatter { template auto format(bytes b, FormatContext& ctx) const -> decltype(ctx.out()) { auto specs = specs_; - detail::handle_dynamic_spec(specs.width, - specs.width_ref, ctx); - detail::handle_dynamic_spec( - specs.precision, specs.precision_ref, ctx); - return detail::write_bytes(ctx.out(), b.data_, specs); + detail::handle_dynamic_spec(specs.dynamic_width(), specs.width, + specs.width_ref, ctx); + detail::handle_dynamic_spec(specs.dynamic_precision(), specs.precision, + specs.precision_ref, ctx); + return detail::write_bytes(ctx.out(), b.data, specs); } }; @@ -4094,21 +3901,20 @@ template struct formatter> : formatter { detail::dynamic_format_specs<> specs_; public: - template - FMT_CONSTEXPR auto parse(ParseContext& ctx) -> const char* { + FMT_CONSTEXPR auto parse(parse_context<>& ctx) -> const char* { return parse_format_specs(ctx.begin(), ctx.end(), specs_, ctx, detail::type::int_type); } template - auto format(group_digits_view t, FormatContext& ctx) const + auto format(group_digits_view view, FormatContext& ctx) const -> decltype(ctx.out()) { auto specs = specs_; - detail::handle_dynamic_spec(specs.width, - specs.width_ref, ctx); - detail::handle_dynamic_spec( - specs.precision, specs.precision_ref, ctx); - auto arg = detail::make_write_int_arg(t.value, specs.sign); + detail::handle_dynamic_spec(specs.dynamic_width(), specs.width, + specs.width_ref, ctx); + detail::handle_dynamic_spec(specs.dynamic_precision(), specs.precision, + specs.precision_ref, ctx); + auto arg = detail::make_write_int_arg(view.value, specs.sign()); return detail::write_int( ctx.out(), static_cast>(arg.abs_value), arg.prefix, specs, detail::digit_grouping("\3", ",")); @@ -4122,8 +3928,7 @@ template struct nested_view { template struct formatter, Char> { - template - FMT_CONSTEXPR auto parse(ParseContext& ctx) -> decltype(ctx.begin()) { + FMT_CONSTEXPR auto parse(parse_context& ctx) -> const Char* { return ctx.begin(); } template @@ -4135,22 +3940,25 @@ struct formatter, Char> { template struct nested_formatter { private: + basic_specs specs_; int width_; - detail::fill_t fill_; - align_t align_ : 4; formatter formatter_; public: - constexpr nested_formatter() : width_(0), align_(align_t::none) {} - - FMT_CONSTEXPR auto parse(basic_format_parse_context& ctx) - -> decltype(ctx.begin()) { - auto specs = detail::dynamic_format_specs(); - auto it = parse_format_specs(ctx.begin(), ctx.end(), specs, ctx, - detail::type::none_type); - width_ = specs.width; - fill_ = specs.fill; - align_ = specs.align; + constexpr nested_formatter() : width_(0) {} + + FMT_CONSTEXPR auto parse(parse_context& ctx) -> const Char* { + auto it = ctx.begin(), end = ctx.end(); + if (it == end) return it; + auto specs = format_specs(); + it = detail::parse_align(it, end, specs); + specs_ = specs; + Char c = *it; + auto width_ref = detail::arg_ref(); + if ((c >= '0' && c <= '9') || c == '{') { + it = detail::parse_width(it, end, specs, width_ref, ctx); + width_ = specs.width; + } ctx.advance_to(it); return formatter_.parse(ctx); } @@ -4162,8 +3970,8 @@ template struct nested_formatter { write(basic_appender(buf)); auto specs = format_specs(); specs.width = width_; - specs.fill = fill_; - specs.align = align_; + specs.copy_fill_from(specs_); + specs.set_align(specs_.align()); return detail::write( ctx.out(), basic_string_view(buf.data(), buf.size()), specs); } @@ -4173,218 +3981,175 @@ template struct nested_formatter { } }; +inline namespace literals { +#if FMT_USE_NONTYPE_TEMPLATE_ARGS +template constexpr auto operator""_a() { + using char_t = remove_cvref_t; + return detail::udl_arg(); +} +#else /** - * Converts `value` to `std::string` using the default format for type `T`. + * User-defined literal equivalent of `fmt::arg`. * * **Example**: * - * std::string answer = fmt::to_string(42); + * using namespace fmt::literals; + * fmt::print("The answer is {answer}.", "answer"_a=42); */ -template ::value && - !detail::has_format_as::value)> -inline auto to_string(const T& value) -> std::string { - auto buffer = memory_buffer(); - detail::write(appender(buffer), value); - return {buffer.data(), buffer.size()}; -} - -template ::value)> -FMT_NODISCARD inline auto to_string(T value) -> std::string { - // The buffer should be large enough to store the number including the sign - // or "false" for bool. - constexpr int max_size = detail::digits10() + 2; - char buffer[max_size > 5 ? static_cast(max_size) : 5]; - char* begin = buffer; - return std::string(begin, detail::write(begin, value)); -} - -template -FMT_NODISCARD auto to_string(const basic_memory_buffer& buf) - -> std::basic_string { - auto size = buf.size(); - detail::assume(size < std::basic_string().max_size()); - return std::basic_string(buf.data(), size); -} - -template ::value && - detail::has_format_as::value)> -inline auto to_string(const T& value) -> std::string { - return to_string(format_as(value)); +constexpr auto operator""_a(const char* s, size_t) -> detail::udl_arg { + return {s}; } +#endif // FMT_USE_NONTYPE_TEMPLATE_ARGS +} // namespace literals -FMT_END_EXPORT - -namespace detail { +/// A fast integer formatter. +class format_int { + private: + // Buffer should be large enough to hold all digits (digits10 + 1), + // a sign and a null character. + enum { buffer_size = std::numeric_limits::digits10 + 3 }; + mutable char buffer_[buffer_size]; + char* str_; -template -void vformat_to(buffer& buf, basic_string_view fmt, - typename vformat_args::type args, locale_ref loc) { - auto out = basic_appender(buf); - if (fmt.size() == 2 && equal2(fmt.data(), "{}")) { - auto arg = args.get(0); - if (!arg) report_error("argument not found"); - arg.visit(default_arg_formatter{out, args, loc}); - return; + template + FMT_CONSTEXPR20 auto format_unsigned(UInt value) -> char* { + auto n = static_cast>(value); + return detail::do_format_decimal(buffer_, n, buffer_size - 1); } - struct format_handler { - basic_format_parse_context parse_context; - buffered_context context; - - format_handler(basic_appender p_out, basic_string_view str, - basic_format_args> p_args, - locale_ref p_loc) - : parse_context(str), context(p_out, p_args, p_loc) {} - - void on_text(const Char* begin, const Char* end) { - auto text = basic_string_view(begin, to_unsigned(end - begin)); - context.advance_to(write(context.out(), text)); - } - - FMT_CONSTEXPR auto on_arg_id() -> int { - return parse_context.next_arg_id(); - } - FMT_CONSTEXPR auto on_arg_id(int id) -> int { - parse_context.check_arg_id(id); - return id; - } - FMT_CONSTEXPR auto on_arg_id(basic_string_view id) -> int { - parse_context.check_arg_id(id); - int arg_id = context.arg_id(id); - if (arg_id < 0) report_error("argument not found"); - return arg_id; - } - - FMT_INLINE void on_replacement_field(int id, const Char*) { - auto arg = get_arg(context, id); - context.advance_to(arg.visit(default_arg_formatter{ - context.out(), context.args(), context.locale()})); - } - - auto on_format_specs(int id, const Char* begin, const Char* end) - -> const Char* { - auto arg = get_arg(context, id); - // Not using a visitor for custom types gives better codegen. - if (arg.format_custom(begin, parse_context, context)) - return parse_context.begin(); - auto specs = detail::dynamic_format_specs(); - begin = parse_format_specs(begin, end, specs, parse_context, arg.type()); - detail::handle_dynamic_spec( - specs.width, specs.width_ref, context); - detail::handle_dynamic_spec( - specs.precision, specs.precision_ref, context); - if (begin == end || *begin != '}') - report_error("missing '}' in format string"); - context.advance_to(arg.visit( - arg_formatter{context.out(), specs, context.locale()})); - return begin; - } - - FMT_NORETURN void on_error(const char* message) { report_error(message); } - }; - detail::parse_format_string(fmt, format_handler(out, fmt, args, loc)); -} + template + FMT_CONSTEXPR20 auto format_signed(Int value) -> char* { + auto abs_value = static_cast>(value); + bool negative = value < 0; + if (negative) abs_value = 0 - abs_value; + auto begin = format_unsigned(abs_value); + if (negative) *--begin = '-'; + return begin; + } -FMT_BEGIN_EXPORT + public: + FMT_CONSTEXPR20 explicit format_int(int value) : str_(format_signed(value)) {} + FMT_CONSTEXPR20 explicit format_int(long value) + : str_(format_signed(value)) {} + FMT_CONSTEXPR20 explicit format_int(long long value) + : str_(format_signed(value)) {} + FMT_CONSTEXPR20 explicit format_int(unsigned value) + : str_(format_unsigned(value)) {} + FMT_CONSTEXPR20 explicit format_int(unsigned long value) + : str_(format_unsigned(value)) {} + FMT_CONSTEXPR20 explicit format_int(unsigned long long value) + : str_(format_unsigned(value)) {} -#ifndef FMT_HEADER_ONLY -extern template FMT_API void vformat_to(buffer&, string_view, - typename vformat_args<>::type, - locale_ref); -extern template FMT_API auto thousands_sep_impl(locale_ref) - -> thousands_sep_result; -extern template FMT_API auto thousands_sep_impl(locale_ref) - -> thousands_sep_result; -extern template FMT_API auto decimal_point_impl(locale_ref) -> char; -extern template FMT_API auto decimal_point_impl(locale_ref) -> wchar_t; -#endif // FMT_HEADER_ONLY + /// Returns the number of characters written to the output buffer. + FMT_CONSTEXPR20 auto size() const -> size_t { + return detail::to_unsigned(buffer_ - str_ + buffer_size - 1); + } -FMT_END_EXPORT + /// Returns a pointer to the output buffer content. No terminating null + /// character is appended. + FMT_CONSTEXPR20 auto data() const -> const char* { return str_; } -template -template -FMT_CONSTEXPR FMT_INLINE auto native_formatter::format( - const T& val, FormatContext& ctx) const -> decltype(ctx.out()) { - if (specs_.width_ref.kind == arg_id_kind::none && - specs_.precision_ref.kind == arg_id_kind::none) { - return write(ctx.out(), val, specs_, ctx.locale()); + /// Returns a pointer to the output buffer content with terminating null + /// character appended. + FMT_CONSTEXPR20 auto c_str() const -> const char* { + buffer_[buffer_size - 1] = '\0'; + return str_; } - auto specs = specs_; - handle_dynamic_spec(specs.width, specs.width_ref, ctx); - handle_dynamic_spec(specs.precision, specs.precision_ref, - ctx); - return write(ctx.out(), val, specs, ctx.locale()); -} -} // namespace detail - -FMT_BEGIN_EXPORT + /// Returns the content of the output buffer as an `std::string`. + inline auto str() const -> std::string { return {str_, size()}; } +}; -template -struct formatter - : detail::native_formatter {}; +#define FMT_STRING_IMPL(s, base) \ + [] { \ + /* Use the hidden visibility as a workaround for a GCC bug (#1973). */ \ + /* Use a macro-like name to avoid shadowing warnings. */ \ + struct FMT_VISIBILITY("hidden") FMT_COMPILE_STRING : base { \ + using char_type = fmt::remove_cvref_t; \ + constexpr explicit operator fmt::basic_string_view() const { \ + return fmt::detail::compile_string_to_view(s); \ + } \ + }; \ + using FMT_STRING_VIEW = \ + fmt::basic_string_view; \ + fmt::detail::ignore_unused(FMT_STRING_VIEW(FMT_COMPILE_STRING())); \ + return FMT_COMPILE_STRING(); \ + }() -#if FMT_USE_USER_DEFINED_LITERALS -inline namespace literals { /** - * User-defined literal equivalent of `fmt::arg`. + * Constructs a legacy compile-time format string from a string literal `s`. * * **Example**: * - * using namespace fmt::literals; - * fmt::print("The answer is {answer}.", "answer"_a=42); + * // A compile-time error because 'd' is an invalid specifier for strings. + * std::string s = fmt::format(FMT_STRING("{:d}"), "foo"); */ -# if FMT_USE_NONTYPE_TEMPLATE_ARGS -template constexpr auto operator""_a() { - using char_t = remove_cvref_t; - return detail::udl_arg(); -} -# else -constexpr auto operator""_a(const char* s, size_t) -> detail::udl_arg { - return {s}; -} -# endif -} // namespace literals -#endif // FMT_USE_USER_DEFINED_LITERALS +#define FMT_STRING(s) FMT_STRING_IMPL(s, fmt::detail::compile_string) -FMT_API auto vformat(string_view fmt, format_args args) -> std::string; +FMT_API auto vsystem_error(int error_code, string_view fmt, format_args args) + -> std::system_error; /** - * Formats `args` according to specifications in `fmt` and returns the result - * as a string. + * Constructs `std::system_error` with a message formatted with + * `fmt::format(fmt, args...)`. + * `error_code` is a system error code as given by `errno`. * * **Example**: * - * #include - * std::string message = fmt::format("The answer is {}.", 42); + * // This throws std::system_error with the description + * // cannot open file 'madeup': No such file or directory + * // or similar (system message may vary). + * const char* filename = "madeup"; + * FILE* file = fopen(filename, "r"); + * if (!file) + * throw fmt::system_error(errno, "cannot open file '{}'", filename); */ template -FMT_NODISCARD FMT_INLINE auto format(format_string fmt, T&&... args) - -> std::string { - return vformat(fmt, fmt::make_format_args(args...)); +auto system_error(int error_code, format_string fmt, T&&... args) + -> std::system_error { + return vsystem_error(error_code, fmt.str, vargs{{args...}}); } +/** + * Formats an error message for an error returned by an operating system or a + * language runtime, for example a file opening error, and writes it to `out`. + * The format is the same as the one used by `std::system_error(ec, message)` + * where `ec` is `std::error_code(error_code, std::generic_category())`. + * It is implementation-defined but normally looks like: + * + * : + * + * where `` is the passed message and `` is the system + * message corresponding to the error code. + * `error_code` is a system error code as given by `errno`. + */ +FMT_API void format_system_error(detail::buffer& out, int error_code, + const char* message) noexcept; + +// Reports a system error without throwing an exception. +// Can be used to report errors from destructors. +FMT_API void report_system_error(int error_code, const char* message) noexcept; + template ::value)> inline auto vformat(const Locale& loc, string_view fmt, format_args args) -> std::string { - return detail::vformat(loc, fmt, args); + auto buf = memory_buffer(); + detail::vformat_to(buf, fmt, args, detail::locale_ref(loc)); + return {buf.data(), buf.size()}; } template ::value)> -inline auto format(const Locale& loc, format_string fmt, T&&... args) +FMT_INLINE auto format(const Locale& loc, format_string fmt, T&&... args) -> std::string { - return fmt::vformat(loc, string_view(fmt), fmt::make_format_args(args...)); + return vformat(loc, fmt.str, vargs{{args...}}); } template ::value&& - detail::is_locale::value)> + FMT_ENABLE_IF(detail::is_output_iterator::value)> auto vformat_to(OutputIt out, const Locale& loc, string_view fmt, format_args args) -> OutputIt { - using detail::get_buffer; - auto&& buf = get_buffer(out); + auto&& buf = detail::get_buffer(out); detail::vformat_to(buf, fmt, args, detail::locale_ref(loc)); return detail::get_iterator(buf, out); } @@ -4394,7 +4159,7 @@ template ::value)> FMT_INLINE auto format_to(OutputIt out, const Locale& loc, format_string fmt, T&&... args) -> OutputIt { - return vformat_to(out, loc, fmt, fmt::make_format_args(args...)); + return fmt::vformat_to(out, loc, fmt.str, vargs{{args...}}); } template fmt, T&&... args) -> size_t { auto buf = detail::counting_buffer<>(); - detail::vformat_to(buf, fmt, fmt::make_format_args(args...), - detail::locale_ref(loc)); + detail::vformat_to(buf, fmt.str, vargs{{args...}}, + detail::locale_ref(loc)); return buf.count(); } -FMT_END_EXPORT +FMT_API auto vformat(string_view fmt, format_args args) -> std::string; + +/** + * 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); + */ +template +FMT_NODISCARD FMT_INLINE auto format(format_string fmt, T&&... args) + -> std::string { + return vformat(fmt.str, vargs{{args...}}); +} + +/** + * Converts `value` to `std::string` using the default format for type `T`. + * + * **Example**: + * + * std::string answer = fmt::to_string(42); + */ +template ::value)> +FMT_NODISCARD auto to_string(T value) -> std::string { + // The buffer should be large enough to store the number including the sign + // or "false" for bool. + char buffer[max_of(detail::digits10() + 2, 5)]; + return {buffer, detail::write(buffer, value)}; +} + +template ::value)> +FMT_NODISCARD auto to_string(const T& value) -> std::string { + return to_string(format_as(value)); +} + +template ::value && + !detail::use_format_as::value)> +FMT_NODISCARD auto to_string(const T& value) -> std::string { + auto buffer = memory_buffer(); + detail::write(appender(buffer), value); + return {buffer.data(), buffer.size()}; +} +FMT_END_EXPORT FMT_END_NAMESPACE #ifdef FMT_HEADER_ONLY # define FMT_FUNC inline # include "format-inl.h" -#else -# define FMT_FUNC #endif // Restore _LIBCPP_REMOVE_TRANSITIVE_INCLUDES. diff --git a/thirdparty/fmt/include/fmt/os.h b/thirdparty/fmt/include/fmt/os.h index 5c85ea08f..b2cc5e4b8 100644 --- a/thirdparty/fmt/include/fmt/os.h +++ b/thirdparty/fmt/include/fmt/os.h @@ -118,7 +118,7 @@ FMT_API void format_windows_error(buffer& out, int error_code, const char* message) noexcept; } -FMT_API std::system_error vwindows_error(int error_code, string_view format_str, +FMT_API std::system_error vwindows_error(int error_code, string_view fmt, format_args args); /** @@ -146,10 +146,10 @@ FMT_API std::system_error vwindows_error(int error_code, string_view format_str, * "cannot open file '{}'", filename); * } */ -template -std::system_error windows_error(int error_code, string_view message, - const Args&... args) { - return vwindows_error(error_code, message, fmt::make_format_args(args...)); +template +auto windows_error(int error_code, string_view message, const T&... args) + -> std::system_error { + return vwindows_error(error_code, message, vargs{{args...}}); } // Reports a Windows error without throwing an exception. @@ -164,8 +164,8 @@ inline auto system_category() noexcept -> const std::error_category& { // std::system is not available on some platforms such as iOS (#2248). #ifdef __OSX__ template > -void say(const S& format_str, Args&&... args) { - std::system(format("say \"{}\"", format(format_str, args...)).c_str()); +void say(const S& fmt, Args&&... args) { + std::system(format("say \"{}\"", format(fmt, args...)).c_str()); } #endif @@ -176,24 +176,24 @@ class buffered_file { friend class file; - explicit buffered_file(FILE* f) : file_(f) {} + inline explicit buffered_file(FILE* f) : file_(f) {} public: buffered_file(const buffered_file&) = delete; void operator=(const buffered_file&) = delete; // Constructs a buffered_file object which doesn't represent any file. - buffered_file() noexcept : file_(nullptr) {} + inline buffered_file() noexcept : file_(nullptr) {} // Destroys the object closing the file it represents if any. FMT_API ~buffered_file() noexcept; public: - buffered_file(buffered_file&& other) noexcept : file_(other.file_) { + inline buffered_file(buffered_file&& other) noexcept : file_(other.file_) { other.file_ = nullptr; } - auto operator=(buffered_file&& other) -> buffered_file& { + inline auto operator=(buffered_file&& other) -> buffered_file& { close(); file_ = other.file_; other.file_ = nullptr; @@ -207,13 +207,13 @@ class buffered_file { FMT_API void close(); // Returns the pointer to a FILE object representing this file. - auto get() const noexcept -> FILE* { return file_; } + inline auto get() const noexcept -> FILE* { return file_; } FMT_API auto descriptor() const -> int; template inline void print(string_view fmt, const T&... args) { - const auto& vargs = fmt::make_format_args(args...); + fmt::vargs vargs = {{args...}}; detail::is_locking() ? fmt::vprint_buffered(file_, fmt, vargs) : fmt::vprint(file_, fmt, vargs); } @@ -248,7 +248,7 @@ class FMT_API file { }; // Constructs a file object which doesn't represent any file. - file() noexcept : fd_(-1) {} + inline file() noexcept : fd_(-1) {} // Opens a file and constructs a file object representing this file. file(cstring_view path, int oflag); @@ -257,10 +257,10 @@ class FMT_API file { file(const file&) = delete; void operator=(const file&) = delete; - file(file&& other) noexcept : fd_(other.fd_) { other.fd_ = -1; } + inline file(file&& other) noexcept : fd_(other.fd_) { other.fd_ = -1; } // Move assignment is not noexcept because close may throw. - auto operator=(file&& other) -> file& { + inline auto operator=(file&& other) -> file& { close(); fd_ = other.fd_; other.fd_ = -1; @@ -271,7 +271,7 @@ class FMT_API file { ~file() noexcept; // Returns the file descriptor. - auto descriptor() const noexcept -> int { return fd_; } + inline auto descriptor() const noexcept -> int { return fd_; } // Closes the file. void close(); @@ -324,9 +324,9 @@ auto getpagesize() -> long; namespace detail { struct buffer_size { - buffer_size() = default; + constexpr buffer_size() = default; size_t value = 0; - auto operator=(size_t val) const -> buffer_size { + FMT_CONSTEXPR auto operator=(size_t val) const -> buffer_size { auto bs = buffer_size(); bs.value = val; return bs; @@ -337,7 +337,7 @@ struct ostream_params { int oflag = file::WRONLY | file::CREATE | file::TRUNC; size_t buffer_size = BUFSIZ > 32768 ? BUFSIZ : 32768; - ostream_params() {} + constexpr ostream_params() {} template ostream_params(T... params, int new_oflag) : ostream_params(params...) { @@ -358,59 +358,47 @@ struct ostream_params { # endif }; -class file_buffer final : public buffer { - private: - file file_; - - FMT_API static void grow(buffer& buf, size_t); - - public: - FMT_API file_buffer(cstring_view path, const ostream_params& params); - FMT_API file_buffer(file_buffer&& other) noexcept; - FMT_API ~file_buffer(); - - void flush() { - if (size() == 0) return; - file_.write(data(), size() * sizeof(data()[0])); - clear(); - } - - void close() { - flush(); - file_.close(); - } -}; - } // namespace detail -constexpr auto buffer_size = detail::buffer_size(); +FMT_INLINE_VARIABLE constexpr auto buffer_size = detail::buffer_size(); -/// A fast output stream for writing from a single thread. Writing from +/// A fast buffered output stream for writing from a single thread. Writing from /// multiple threads without external synchronization may result in a data race. -class FMT_API ostream { +class FMT_API ostream : private detail::buffer { private: - FMT_MSC_WARNING(suppress : 4251) - detail::file_buffer buffer_; + file file_; - ostream(cstring_view path, const detail::ostream_params& params) - : buffer_(path, params) {} + ostream(cstring_view path, const detail::ostream_params& params); - public: - ostream(ostream&& other) : buffer_(std::move(other.buffer_)) {} + static void grow(buffer& buf, size_t); + public: + ostream(ostream&& other) noexcept; ~ostream(); - void flush() { buffer_.flush(); } + operator writer() { + detail::buffer& buf = *this; + return buf; + } + + inline void flush() { + if (size() == 0) return; + file_.write(data(), size() * sizeof(data()[0])); + clear(); + } template friend auto output_file(cstring_view path, T... params) -> ostream; - void close() { buffer_.close(); } + inline void close() { + flush(); + file_.close(); + } /// Formats `args` according to specifications in `fmt` and writes the /// output to the file. template void print(format_string fmt, T&&... args) { - vformat_to(appender(buffer_), fmt, fmt::make_format_args(args...)); + vformat_to(appender(*this), fmt.str, vargs{{args...}}); } }; diff --git a/thirdparty/fmt/include/fmt/ostream.h b/thirdparty/fmt/include/fmt/ostream.h index 98faef659..71fd6c887 100644 --- a/thirdparty/fmt/include/fmt/ostream.h +++ b/thirdparty/fmt/include/fmt/ostream.h @@ -22,6 +22,14 @@ #include "chrono.h" // formatbuf +#ifdef _MSVC_STL_UPDATE +# define FMT_MSVC_STL_UPDATE _MSVC_STL_UPDATE +#elif defined(_MSC_VER) && _MSC_VER < 1912 // VS 15.5 +# define FMT_MSVC_STL_UPDATE _MSVC_LANG +#else +# define FMT_MSVC_STL_UPDATE 0 +#endif + FMT_BEGIN_NAMESPACE namespace detail { @@ -35,53 +43,18 @@ class file_access { friend auto get_file(BufType& obj) -> FILE* { return obj.*FileMemberPtr; } }; -#if FMT_MSC_VERSION +#if FMT_MSVC_STL_UPDATE template class file_access; auto get_file(std::filebuf&) -> FILE*; #endif -inline auto write_ostream_unicode(std::ostream& os, fmt::string_view data) - -> bool { - FILE* f = nullptr; -#if FMT_MSC_VERSION && FMT_USE_RTTI - if (auto* buf = dynamic_cast(os.rdbuf())) - f = get_file(*buf); - else - return false; -#elif defined(_WIN32) && defined(__GLIBCXX__) && FMT_USE_RTTI - auto* rdbuf = os.rdbuf(); - if (auto* sfbuf = dynamic_cast<__gnu_cxx::stdio_sync_filebuf*>(rdbuf)) - f = sfbuf->file(); - else if (auto* fbuf = dynamic_cast<__gnu_cxx::stdio_filebuf*>(rdbuf)) - f = fbuf->file(); - else - return false; -#else - ignore_unused(os, data, f); -#endif -#ifdef _WIN32 - if (f) { - int fd = _fileno(f); - if (_isatty(fd)) { - os.flush(); - return write_console(fd, data); - } - } -#endif - return false; -} -inline auto write_ostream_unicode(std::wostream&, - fmt::basic_string_view) -> bool { - return false; -} - // Write the content of buf to os. // It is a separate function rather than a part of vprint to simplify testing. template void write_buffer(std::basic_ostream& os, buffer& buf) { const Char* buf_data = buf.data(); - using unsigned_streamsize = std::make_unsigned::type; + using unsigned_streamsize = make_unsigned_t; unsigned_streamsize size = buf.size(); unsigned_streamsize max_size = to_unsigned(max_value()); do { @@ -92,21 +65,9 @@ void write_buffer(std::basic_ostream& os, buffer& buf) { } while (size != 0); } -template -void format_value(buffer& buf, const T& value) { - auto&& format_buf = formatbuf>(buf); - auto&& output = std::basic_ostream(&format_buf); -#if !defined(FMT_STATIC_THOUSANDS_SEPARATOR) - output.imbue(std::locale::classic()); // The default is always unlocalized. -#endif - output << value; - output.exceptions(std::ios_base::failbit | std::ios_base::badbit); -} - template struct streamed_view { const T& value; }; - } // namespace detail // Formats an object of type T that has an overloaded ostream operator<<. @@ -117,7 +78,11 @@ struct basic_ostream_formatter : formatter, Char> { template auto format(const T& value, Context& ctx) const -> decltype(ctx.out()) { auto buffer = basic_memory_buffer(); - detail::format_value(buffer, value); + auto&& formatbuf = detail::formatbuf>(buffer); + auto&& output = std::basic_ostream(&formatbuf); + output.imbue(std::locale::classic()); // The default is always unlocalized. + output << value; + output.exceptions(std::ios_base::failbit | std::ios_base::badbit); return formatter, Char>::format( {buffer.data(), buffer.size()}, ctx); } @@ -148,24 +113,30 @@ constexpr auto streamed(const T& value) -> detail::streamed_view { return {value}; } -namespace detail { - -inline void vprint_directly(std::ostream& os, string_view format_str, - format_args args) { +inline void vprint(std::ostream& os, string_view fmt, format_args args) { auto buffer = memory_buffer(); - detail::vformat_to(buffer, format_str, args); - detail::write_buffer(os, buffer); -} - -} // namespace detail - -FMT_EXPORT template -void vprint(std::basic_ostream& os, - basic_string_view> format_str, - typename detail::vformat_args::type args) { - auto buffer = basic_memory_buffer(); - detail::vformat_to(buffer, format_str, args); - if (detail::write_ostream_unicode(os, {buffer.data(), buffer.size()})) return; + detail::vformat_to(buffer, fmt, args); + FILE* f = nullptr; +#if FMT_MSVC_STL_UPDATE && FMT_USE_RTTI + if (auto* buf = dynamic_cast(os.rdbuf())) + f = detail::get_file(*buf); +#elif defined(_WIN32) && defined(__GLIBCXX__) && FMT_USE_RTTI + auto* rdbuf = os.rdbuf(); + if (auto* sfbuf = dynamic_cast<__gnu_cxx::stdio_sync_filebuf*>(rdbuf)) + f = sfbuf->file(); + else if (auto* fbuf = dynamic_cast<__gnu_cxx::stdio_filebuf*>(rdbuf)) + f = fbuf->file(); +#endif +#ifdef _WIN32 + if (f) { + int fd = _fileno(f); + if (_isatty(fd)) { + os.flush(); + if (detail::write_console(fd, {buffer.data(), buffer.size()})) return; + } + } +#endif + detail::ignore_unused(f); detail::write_buffer(os, buffer); } @@ -178,19 +149,11 @@ void vprint(std::basic_ostream& os, */ FMT_EXPORT template void print(std::ostream& os, format_string fmt, T&&... args) { - const auto& vargs = fmt::make_format_args(args...); - if (detail::use_utf8()) - vprint(os, fmt, vargs); - else - detail::vprint_directly(os, fmt, vargs); -} - -FMT_EXPORT -template -void print(std::wostream& os, - basic_format_string...> fmt, - Args&&... args) { - vprint(os, fmt, fmt::make_format_args>(args...)); + fmt::vargs vargs = {{args...}}; + if (detail::const_check(detail::use_utf8)) return vprint(os, fmt.str, vargs); + auto buffer = memory_buffer(); + detail::vformat_to(buffer, fmt.str, vargs); + detail::write_buffer(os, buffer); } FMT_EXPORT template @@ -198,14 +161,6 @@ void println(std::ostream& os, format_string fmt, T&&... args) { fmt::print(os, "{}\n", fmt::format(fmt, std::forward(args)...)); } -FMT_EXPORT -template -void println(std::wostream& os, - basic_format_string...> fmt, - Args&&... args) { - print(os, L"{}\n", fmt::format(fmt, std::forward(args)...)); -} - FMT_END_NAMESPACE #endif // FMT_OSTREAM_H_ diff --git a/thirdparty/fmt/include/fmt/printf.h b/thirdparty/fmt/include/fmt/printf.h index 072cc6b30..e72684018 100644 --- a/thirdparty/fmt/include/fmt/printf.h +++ b/thirdparty/fmt/include/fmt/printf.h @@ -33,8 +33,9 @@ template class basic_printf_context { public: using char_type = Char; - using parse_context_type = basic_format_parse_context; + using parse_context_type = parse_context; template using formatter_type = printf_formatter; + enum { builtin_types = 1 }; /// Constructs a `printf_context` object. References to the arguments are /// stored in the context object so make sure they have appropriate lifetimes. @@ -54,6 +55,23 @@ template class basic_printf_context { namespace detail { +// 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(memchr(first, value, to_unsigned(last - first))); + return out != nullptr; +} + // Checks if a value fits in int - used to avoid warnings about comparing // signed and unsigned integers. template struct int_checker { @@ -61,7 +79,7 @@ template struct int_checker { unsigned max = to_unsigned(max_value()); return value <= max; } - static auto fits_in_int(bool) -> bool { return true; } + inline static auto fits_in_int(bool) -> bool { return true; } }; template <> struct int_checker { @@ -69,7 +87,7 @@ template <> struct int_checker { return value >= (std::numeric_limits::min)() && value <= max_value(); } - static auto fits_in_int(int) -> bool { return true; } + inline static auto fits_in_int(int) -> bool { return true; } }; struct printf_precision_handler { @@ -127,25 +145,19 @@ template class arg_converter { using target_type = conditional_t::value, U, T>; if (const_check(sizeof(target_type) <= sizeof(int))) { // Extra casts are used to silence warnings. - if (is_signed) { - auto n = static_cast(static_cast(value)); - arg_ = detail::make_arg(n); - } else { - using unsigned_type = typename make_unsigned_or_bool::type; - auto n = static_cast(static_cast(value)); - arg_ = detail::make_arg(n); - } + using unsigned_type = typename make_unsigned_or_bool::type; + if (is_signed) + arg_ = static_cast(static_cast(value)); + else + arg_ = static_cast(static_cast(value)); } else { - if (is_signed) { - // glibc's printf doesn't sign extend arguments of smaller types: - // std::printf("%lld", -42); // prints "4294967254" - // but we don't have to do the same because it's a UB. - auto n = static_cast(value); - arg_ = detail::make_arg(n); - } else { - auto n = static_cast::type>(value); - arg_ = detail::make_arg(n); - } + // glibc's printf doesn't sign extend arguments of smaller types: + // std::printf("%lld", -42); // prints "4294967254" + // but we don't have to do the same because it's a UB. + if (is_signed) + arg_ = static_cast(value); + else + arg_ = static_cast::type>(value); } } @@ -172,8 +184,7 @@ template class char_converter { template ::value)> void operator()(T value) { - auto c = static_cast(value); - arg_ = detail::make_arg(c); + arg_ = static_cast(value); } template ::value)> @@ -194,13 +205,13 @@ class printf_width_handler { format_specs& specs_; public: - explicit printf_width_handler(format_specs& specs) : specs_(specs) {} + inline explicit printf_width_handler(format_specs& specs) : specs_(specs) {} template ::value)> auto operator()(T value) -> unsigned { auto width = static_cast>(value); if (detail::is_negative(value)) { - specs_.align = align::left; + specs_.set_align(align::left); width = 0 - width; } unsigned int_max = to_unsigned(max_value()); @@ -234,69 +245,74 @@ class printf_arg_formatter : public arg_formatter { void write_null_pointer(bool is_string = false) { auto s = this->specs; - s.type = presentation_type::none; + s.set_type(presentation_type::none); write_bytes(this->out, is_string ? "(null)" : "(nil)", s); } + template void write(T value) { + detail::write(this->out, value, this->specs, this->locale); + } + public: printf_arg_formatter(basic_appender iter, format_specs& s, context_type& ctx) : base(make_arg_formatter(iter, s)), context_(ctx) {} - void operator()(monostate value) { base::operator()(value); } + void operator()(monostate value) { write(value); } template ::value)> void operator()(T value) { // MSVC2013 fails to compile separate overloads for bool and Char so use // std::is_same instead. if (!std::is_same::value) { - base::operator()(value); + write(value); return; } format_specs s = this->specs; - if (s.type != presentation_type::none && s.type != presentation_type::chr) { + if (s.type() != presentation_type::none && + s.type() != presentation_type::chr) { return (*this)(static_cast(value)); } - s.sign = sign::none; - s.alt = false; - s.fill = ' '; // Ignore '0' flag for char types. + s.set_sign(sign::none); + s.clear_alt(); + s.set_fill(' '); // Ignore '0' flag for char types. // align::numeric needs to be overwritten here since the '0' flag is // ignored for non-numeric types - if (s.align == align::none || s.align == align::numeric) - s.align = align::right; - write(this->out, static_cast(value), s); + if (s.align() == align::none || s.align() == align::numeric) + s.set_align(align::right); + detail::write(this->out, static_cast(value), s); } template ::value)> void operator()(T value) { - base::operator()(value); + write(value); } void operator()(const char* value) { if (value) - base::operator()(value); + write(value); else - write_null_pointer(this->specs.type != presentation_type::pointer); + write_null_pointer(this->specs.type() != presentation_type::pointer); } void operator()(const wchar_t* value) { if (value) - base::operator()(value); + write(value); else - write_null_pointer(this->specs.type != presentation_type::pointer); + write_null_pointer(this->specs.type() != presentation_type::pointer); } - void operator()(basic_string_view value) { base::operator()(value); } + void operator()(basic_string_view value) { write(value); } void operator()(const void* value) { if (value) - base::operator()(value); + write(value); else write_null_pointer(); } void operator()(typename basic_format_arg::handle handle) { - auto parse_ctx = basic_format_parse_context({}); + auto parse_ctx = parse_context({}); handle.format(parse_ctx, context_); } }; @@ -305,23 +321,14 @@ template void parse_flags(format_specs& specs, const Char*& it, const Char* end) { for (; it != end; ++it) { switch (*it) { - case '-': - specs.align = align::left; - break; - case '+': - specs.sign = sign::plus; - break; - case '0': - specs.fill = '0'; - break; + case '-': specs.set_align(align::left); break; + case '+': specs.set_sign(sign::plus); break; + case '0': specs.set_fill('0'); break; case ' ': - if (specs.sign != sign::plus) specs.sign = sign::space; + if (specs.sign() != sign::plus) specs.set_sign(sign::space); break; - case '#': - specs.alt = true; - break; - default: - return; + case '#': specs.set_alt(); break; + default: return; } } } @@ -339,7 +346,7 @@ auto parse_header(const Char*& it, const Char* end, format_specs& specs, ++it; arg_index = value != -1 ? value : max_value(); } else { - if (c == '0') specs.fill = '0'; + if (c == '0') specs.set_fill('0'); if (value != 0) { // Nonzero value means that we parsed width and don't need to // parse it or flags again, so return now. @@ -369,43 +376,22 @@ inline auto parse_printf_presentation_type(char c, type t, bool& upper) using pt = presentation_type; constexpr auto integral_set = sint_set | uint_set | bool_set | char_set; switch (c) { - case 'd': - return in(t, integral_set) ? pt::dec : pt::none; - case 'o': - return in(t, integral_set) ? pt::oct : pt::none; - case 'X': - upper = true; - FMT_FALLTHROUGH; - case 'x': - return in(t, integral_set) ? pt::hex : pt::none; - case 'E': - upper = true; - FMT_FALLTHROUGH; - case 'e': - return in(t, float_set) ? pt::exp : pt::none; - case 'F': - upper = true; - FMT_FALLTHROUGH; - case 'f': - return in(t, float_set) ? pt::fixed : pt::none; - case 'G': - upper = true; - FMT_FALLTHROUGH; - case 'g': - return in(t, float_set) ? pt::general : pt::none; - case 'A': - upper = true; - FMT_FALLTHROUGH; - case 'a': - return in(t, float_set) ? pt::hexfloat : pt::none; - case 'c': - return in(t, integral_set) ? pt::chr : pt::none; - case 's': - return in(t, string_set | cstring_set) ? pt::string : pt::none; - case 'p': - return in(t, pointer_set | cstring_set) ? pt::pointer : pt::none; - default: - return pt::none; + case 'd': return in(t, integral_set) ? pt::dec : pt::none; + case 'o': return in(t, integral_set) ? pt::oct : pt::none; + case 'X': upper = true; FMT_FALLTHROUGH; + case 'x': return in(t, integral_set) ? pt::hex : pt::none; + case 'E': upper = true; FMT_FALLTHROUGH; + case 'e': return in(t, float_set) ? pt::exp : pt::none; + case 'F': upper = true; FMT_FALLTHROUGH; + case 'f': return in(t, float_set) ? pt::fixed : pt::none; + case 'G': upper = true; FMT_FALLTHROUGH; + case 'g': return in(t, float_set) ? pt::general : pt::none; + case 'A': upper = true; FMT_FALLTHROUGH; + case 'a': return in(t, float_set) ? pt::hexfloat : pt::none; + case 'c': return in(t, integral_set) ? pt::chr : pt::none; + case 's': return in(t, string_set | cstring_set) ? pt::string : pt::none; + case 'p': return in(t, pointer_set | cstring_set) ? pt::pointer : pt::none; + default: return pt::none; } } @@ -415,7 +401,7 @@ void vprintf(buffer& buf, basic_string_view format, using iterator = basic_appender; auto out = iterator(buf); auto context = basic_printf_context(out, args); - auto parse_ctx = basic_format_parse_context(format); + auto parse_ctx = parse_context(format); // Returns the argument with specified index or, if arg_index is -1, the next // argument. @@ -444,7 +430,7 @@ void vprintf(buffer& buf, basic_string_view format, write(out, basic_string_view(start, to_unsigned(it - 1 - start))); auto specs = format_specs(); - specs.align = align::right; + specs.set_align(align::right); // Parse argument index, flags and width. int arg_index = parse_header(it, end, specs, get_arg); @@ -468,9 +454,9 @@ void vprintf(buffer& buf, basic_string_view format, auto arg = get_arg(arg_index); // For d, i, o, u, x, and X conversion specifiers, if a precision is // specified, the '0' flag is ignored - if (specs.precision >= 0 && arg.is_integral()) { + if (specs.precision >= 0 && is_integral_type(arg.type())) { // Ignore '0' for non-numeric types or if '-' present. - specs.fill = ' '; + specs.set_fill(' '); } if (specs.precision >= 0 && arg.type() == type::cstring_type) { auto str = arg.visit(get_cstring()); @@ -478,15 +464,16 @@ void vprintf(buffer& buf, basic_string_view format, auto nul = std::find(str, str_end, Char()); auto sv = basic_string_view( str, to_unsigned(nul != str_end ? nul - str : specs.precision)); - arg = make_arg>(sv); + arg = sv; } - if (specs.alt && arg.visit(is_zero_int())) specs.alt = false; - if (specs.fill.template get() == '0') { - if (arg.is_arithmetic() && specs.align != align::left) - specs.align = align::numeric; - else - specs.fill = ' '; // Ignore '0' flag for non-numeric types or if '-' - // flag is also present. + if (specs.alt() && arg.visit(is_zero_int())) specs.clear_alt(); + if (specs.fill_unit() == '0') { + if (is_arithmetic_type(arg.type()) && specs.align() != align::left) { + specs.set_align(align::numeric); + } else { + // Ignore '0' flag for non-numeric types or if '-' flag is also present. + specs.set_fill(' '); + } } // Parse length and convert the argument to the required type. @@ -511,44 +498,34 @@ void vprintf(buffer& buf, basic_string_view format, convert_arg(arg, t); } break; - case 'j': - convert_arg(arg, t); - break; - case 'z': - convert_arg(arg, t); - break; - case 't': - convert_arg(arg, t); - break; + case 'j': convert_arg(arg, t); break; + case 'z': convert_arg(arg, t); break; + case 't': convert_arg(arg, t); break; case 'L': // printf produces garbage when 'L' is omitted for long double, no // need to do the same. break; - default: - --it; - convert_arg(arg, c); + default: --it; convert_arg(arg, c); } // Parse type. if (it == end) report_error("invalid format string"); char type = static_cast(*it++); - if (arg.is_integral()) { + if (is_integral_type(arg.type())) { // Normalize type. switch (type) { case 'i': - case 'u': - type = 'd'; - break; + case 'u': type = 'd'; break; case 'c': arg.visit(char_converter>(arg)); break; } } bool upper = false; - specs.type = parse_printf_presentation_type(type, arg.type(), upper); - if (specs.type == presentation_type::none) + specs.set_type(parse_printf_presentation_type(type, arg.type(), upper)); + if (specs.type() == presentation_type::none) report_error("invalid format specifier"); - specs.upper = upper; + if (upper) specs.set_upper(); start = it; @@ -583,7 +560,7 @@ inline auto vsprintf(basic_string_view fmt, -> std::basic_string { auto buf = basic_memory_buffer(); detail::vprintf(buf, fmt, args); - return to_string(buf); + return {buf.data(), buf.size()}; } /** @@ -594,7 +571,7 @@ inline auto vsprintf(basic_string_view fmt, * * std::string message = fmt::sprintf("The answer is %d", 42); */ -template > +template > inline auto sprintf(const S& fmt, const T&... args) -> std::basic_string { return vsprintf(detail::to_string_view(fmt), fmt::make_format_args>(args...)); @@ -619,7 +596,7 @@ inline auto vfprintf(std::FILE* f, basic_string_view fmt, * * fmt::fprintf(stderr, "Don't %s!", "panic"); */ -template > +template > inline auto fprintf(std::FILE* f, const S& fmt, const T&... args) -> int { return vfprintf(f, detail::to_string_view(fmt), make_printf_args(args...)); diff --git a/thirdparty/fmt/include/fmt/ranges.h b/thirdparty/fmt/include/fmt/ranges.h index 0d3dfbd8d..77d645f8e 100644 --- a/thirdparty/fmt/include/fmt/ranges.h +++ b/thirdparty/fmt/include/fmt/ranges.h @@ -44,18 +44,6 @@ template class is_set { !std::is_void(nullptr))>::value && !is_map::value; }; -template struct conditional_helper {}; - -template struct is_range_ : std::false_type {}; - -#if !FMT_MSC_VERSION || FMT_MSC_VERSION > 1800 - -# define FMT_DECLTYPE_RETURN(val) \ - ->decltype(val) { return val; } \ - static_assert( \ - true, "") // This makes it so that a semicolon is required after the - // macro, which helps clang-format handle the formatting. - // C array overload template auto range_begin(const T (&arr)[N]) -> const T* { @@ -76,9 +64,13 @@ struct has_member_fn_begin_end_t().begin()), // Member function overloads. template -auto range_begin(T&& rng) FMT_DECLTYPE_RETURN(static_cast(rng).begin()); +auto range_begin(T&& rng) -> decltype(static_cast(rng).begin()) { + return static_cast(rng).begin(); +} template -auto range_end(T&& rng) FMT_DECLTYPE_RETURN(static_cast(rng).end()); +auto range_end(T&& rng) -> decltype(static_cast(rng).end()) { + return static_cast(rng).end(); +} // ADL overloads. Only participate in overload resolution if member functions // are not found. @@ -115,17 +107,16 @@ struct has_mutable_begin_end< // SFINAE properly unless there are distinct types int>> : std::true_type {}; +template struct is_range_ : std::false_type {}; template struct is_range_ : std::integral_constant::value || has_mutable_begin_end::value)> {}; -# undef FMT_DECLTYPE_RETURN -#endif // tuple_size and tuple_element check. template class is_tuple_like_ { - template - static auto check(U* p) -> decltype(std::tuple_size::value, int()); + template ::type> + static auto check(U* p) -> decltype(std::tuple_size::value, 0); template static void check(...); public: @@ -266,12 +257,12 @@ template using range_format_constant = std::integral_constant; // These are not generic lambdas for compatibility with C++11. -template struct parse_empty_specs { +template struct parse_empty_specs { template FMT_CONSTEXPR void operator()(Formatter& f) { f.parse(ctx); detail::maybe_set_debug_format(f, true); } - ParseContext& ctx; + parse_context& ctx; }; template struct format_tuple_element { using char_type = typename FormatContext::char_type; @@ -327,11 +318,17 @@ struct formatter - FMT_CONSTEXPR auto parse(ParseContext& ctx) -> decltype(ctx.begin()) { + FMT_CONSTEXPR auto parse(parse_context& ctx) -> const Char* { auto it = ctx.begin(); - if (it != ctx.end() && *it != '}') report_error("invalid format specifier"); - detail::for_each(formatters_, detail::parse_empty_specs{ctx}); + auto end = ctx.end(); + if (it != end && detail::to_ascii(*it) == 'n') { + ++it; + set_brackets({}, {}); + set_separator({}); + } + if (it != end && *it != '}') report_error("invalid format specifier"); + ctx.advance_to(it); + detail::for_each(formatters_, detail::parse_empty_specs{ctx}); return it; } @@ -352,38 +349,17 @@ template struct is_range { }; namespace detail { -template struct range_mapper { - using mapper = arg_mapper; - - template , Context>::value)> - static auto map(T&& value) -> T&& { - return static_cast(value); - } - template , Context>::value)> - static auto map(T&& value) - -> decltype(mapper().map(static_cast(value))) { - return mapper().map(static_cast(value)); - } -}; template -using range_formatter_type = - formatter>{} - .map(std::declval()))>, - Char>; +using range_formatter_type = formatter, Char>; template using maybe_const_range = conditional_t::value, const R, R>; -// Workaround a bug in MSVC 2015 and earlier. -#if !FMT_MSC_VERSION || FMT_MSC_VERSION >= 1910 template struct is_formattable_delayed : is_formattable>, Char> {}; -#endif } // namespace detail template struct conjunction : std::true_type {}; @@ -415,7 +391,7 @@ struct range_formatter< auto buf = basic_memory_buffer(); for (; it != end; ++it) buf.push_back(*it); auto specs = format_specs(); - specs.type = presentation_type::debug; + specs.set_type(presentation_type::debug); return detail::write( out, basic_string_view(buf.data(), buf.size()), specs); } @@ -443,8 +419,7 @@ struct range_formatter< closing_bracket_ = close; } - template - FMT_CONSTEXPR auto parse(ParseContext& ctx) -> decltype(ctx.begin()) { + FMT_CONSTEXPR auto parse(parse_context& ctx) -> const Char* { auto it = ctx.begin(); auto end = ctx.end(); detail::maybe_set_debug_format(underlying_, true); @@ -486,7 +461,6 @@ struct range_formatter< template auto format(R&& range, FormatContext& ctx) const -> decltype(ctx.out()) { - auto mapper = detail::range_mapper>(); auto out = ctx.out(); auto it = detail::range_begin(range); auto end = detail::range_end(range); @@ -498,7 +472,7 @@ struct range_formatter< if (i > 0) out = detail::copy(separator_, out); ctx.advance_to(out); auto&& item = *it; // Need an lvalue - out = underlying_.format(mapper.map(item), ctx); + out = underlying_.format(item, ctx); ++i; } out = detail::copy(closing_bracket_, out); @@ -521,13 +495,8 @@ struct formatter< range_format_kind::value != range_format::disabled && range_format_kind::value != range_format::map && range_format_kind::value != range_format::string && - range_format_kind::value != range_format::debug_string> -// Workaround a bug in MSVC 2015 and earlier. -#if !FMT_MSC_VERSION || FMT_MSC_VERSION >= 1910 - , - detail::is_formattable_delayed -#endif - >::value>> { + range_format_kind::value != range_format::debug_string>, + detail::is_formattable_delayed>::value>> { private: using range_type = detail::maybe_const_range; range_formatter, Char> range_formatter_; @@ -543,8 +512,7 @@ struct formatter< detail::string_literal{}); } - template - FMT_CONSTEXPR auto parse(ParseContext& ctx) -> decltype(ctx.begin()) { + FMT_CONSTEXPR auto parse(parse_context& ctx) -> const Char* { return range_formatter_.parse(ctx); } @@ -559,7 +527,9 @@ struct formatter< template struct formatter< R, Char, - enable_if_t::value == range_format::map>> { + enable_if_t::value == range_format::map>, + detail::is_formattable_delayed>::value>> { private: using map_type = detail::maybe_const_range; using element_type = detail::uncvref_type; @@ -571,8 +541,7 @@ struct formatter< public: FMT_CONSTEXPR formatter() {} - template - FMT_CONSTEXPR auto parse(ParseContext& ctx) -> decltype(ctx.begin()) { + FMT_CONSTEXPR auto parse(parse_context& ctx) -> const Char* { auto it = ctx.begin(); auto end = ctx.end(); if (it != end) { @@ -586,7 +555,7 @@ struct formatter< } ctx.advance_to(it); } - detail::for_each(formatters_, detail::parse_empty_specs{ctx}); + detail::for_each(formatters_, detail::parse_empty_specs{ctx}); return it; } @@ -596,12 +565,11 @@ struct formatter< basic_string_view open = detail::string_literal{}; if (!no_delimiters_) out = detail::copy(open, out); int i = 0; - auto mapper = detail::range_mapper>(); basic_string_view sep = detail::string_literal{}; for (auto&& value : map) { if (i > 0) out = detail::copy(sep, out); ctx.advance_to(out); - detail::for_each2(formatters_, mapper.map(value), + detail::for_each2(formatters_, value, detail::format_tuple_element{ 0, ctx, detail::string_literal{}}); ++i; @@ -631,8 +599,7 @@ struct formatter< formatter underlying_; public: - template - FMT_CONSTEXPR auto parse(ParseContext& ctx) -> decltype(ctx.begin()) { + FMT_CONSTEXPR auto parse(parse_context& ctx) -> const Char* { return underlying_.parse(ctx); } @@ -673,22 +640,22 @@ struct formatter, Char> { #endif formatter, Char> value_formatter_; - using view_ref = conditional_t::value, - const join_view&, - join_view&&>; + using view = conditional_t::value, + const join_view, + join_view>; public: using nonlocking = void; - template - FMT_CONSTEXPR auto parse(ParseContext& ctx) -> const Char* { + FMT_CONSTEXPR auto parse(parse_context& ctx) -> const Char* { return value_formatter_.parse(ctx); } template - auto format(view_ref& value, FormatContext& ctx) const - -> decltype(ctx.out()) { - auto it = std::forward(value).begin; + auto format(view& value, FormatContext& ctx) const -> decltype(ctx.out()) { + using iter = + conditional_t::value, It, It&>; + iter it = value.begin; auto out = ctx.out(); if (it == value.end) return out; out = value_formatter_.format(*it, ctx); @@ -703,39 +670,11 @@ struct formatter, Char> { } }; -/// Returns a view that formats the iterator range `[begin, end)` with elements -/// separated by `sep`. -template -auto join(It begin, Sentinel end, string_view sep) -> join_view { - return {std::move(begin), end, sep}; -} - -/** - * Returns a view that formats `range` with elements separated by `sep`. - * - * **Example**: - * - * auto v = std::vector{1, 2, 3}; - * fmt::print("{}", fmt::join(v, ", ")); - * // Output: 1, 2, 3 - * - * `fmt::join` applies passed format specifiers to the range elements: - * - * fmt::print("{:02}", fmt::join(v, ", ")); - * // Output: 01, 02, 03 - */ -template -auto join(Range&& r, string_view sep) - -> join_view { - return {detail::range_begin(r), detail::range_end(r), sep}; -} - -template struct tuple_join_view : detail::view { - const std::tuple& tuple; +template struct tuple_join_view : detail::view { + const Tuple& tuple; basic_string_view sep; - tuple_join_view(const std::tuple& t, basic_string_view s) + tuple_join_view(const Tuple& t, basic_string_view s) : tuple(t), sep{s} {} }; @@ -746,37 +685,36 @@ template struct tuple_join_view : detail::view { # define FMT_TUPLE_JOIN_SPECIFIERS 0 #endif -template -struct formatter, Char> { - template - FMT_CONSTEXPR auto parse(ParseContext& ctx) -> decltype(ctx.begin()) { - return do_parse(ctx, std::integral_constant()); +template +struct formatter, Char, + enable_if_t::value>> { + FMT_CONSTEXPR auto parse(parse_context& ctx) -> const Char* { + return do_parse(ctx, std::tuple_size()); } template - auto format(const tuple_join_view& value, + auto format(const tuple_join_view& value, FormatContext& ctx) const -> typename FormatContext::iterator { - return do_format(value, ctx, - std::integral_constant()); + return do_format(value, ctx, std::tuple_size()); } private: - std::tuple::type, Char>...> formatters_; + decltype(detail::tuple::get_formatters( + detail::tuple_index_sequence())) formatters_; - template - FMT_CONSTEXPR auto do_parse(ParseContext& ctx, + FMT_CONSTEXPR auto do_parse(parse_context& ctx, std::integral_constant) - -> decltype(ctx.begin()) { + -> const Char* { return ctx.begin(); } - template - FMT_CONSTEXPR auto do_parse(ParseContext& ctx, + template + FMT_CONSTEXPR auto do_parse(parse_context& ctx, std::integral_constant) - -> decltype(ctx.begin()) { + -> const Char* { auto end = ctx.begin(); #if FMT_TUPLE_JOIN_SPECIFIERS - end = std::get(formatters_).parse(ctx); + end = std::get::value - N>(formatters_).parse(ctx); if (N > 1) { auto end1 = do_parse(ctx, std::integral_constant()); if (end != end1) @@ -787,18 +725,20 @@ struct formatter, Char> { } template - auto do_format(const tuple_join_view&, FormatContext& ctx, + auto do_format(const tuple_join_view&, FormatContext& ctx, std::integral_constant) const -> typename FormatContext::iterator { return ctx.out(); } template - auto do_format(const tuple_join_view& value, FormatContext& ctx, + auto do_format(const tuple_join_view& value, FormatContext& ctx, std::integral_constant) const -> typename FormatContext::iterator { - auto out = std::get(formatters_) - .format(std::get(value.tuple), ctx); + using std::get; + auto out = + std::get::value - N>(formatters_) + .format(get::value - N>(value.tuple), ctx); if (N <= 1) return out; out = detail::copy(value.sep, out); ctx.advance_to(out); @@ -846,6 +786,34 @@ struct formatter< FMT_BEGIN_EXPORT +/// Returns a view that formats the iterator range `[begin, end)` with elements +/// separated by `sep`. +template +auto join(It begin, Sentinel end, string_view sep) -> join_view { + return {std::move(begin), end, sep}; +} + +/** + * Returns a view that formats `range` with elements separated by `sep`. + * + * **Example**: + * + * auto v = std::vector{1, 2, 3}; + * fmt::print("{}", fmt::join(v, ", ")); + * // Output: 1, 2, 3 + * + * `fmt::join` applies passed format specifiers to the range elements: + * + * fmt::print("{:02}", fmt::join(v, ", ")); + * // Output: 01, 02, 03 + */ +template ::value)> +auto join(Range&& r, string_view sep) + -> join_view { + return {detail::range_begin(r), detail::range_end(r), sep}; +} + /** * Returns an object that formats `std::tuple` with elements separated by `sep`. * @@ -855,9 +823,9 @@ FMT_BEGIN_EXPORT * fmt::print("{}", fmt::join(t, ", ")); * // Output: 1, a */ -template -FMT_CONSTEXPR auto join(const std::tuple& tuple, string_view sep) - -> tuple_join_view { +template ::value)> +FMT_CONSTEXPR auto join(const Tuple& tuple, string_view sep) + -> tuple_join_view { return {tuple, sep}; } diff --git a/thirdparty/fmt/include/fmt/std.h b/thirdparty/fmt/include/fmt/std.h index fb43940bc..54eb2c2a7 100644 --- a/thirdparty/fmt/include/fmt/std.h +++ b/thirdparty/fmt/include/fmt/std.h @@ -17,6 +17,7 @@ # include # include # include +# include # include # include # include @@ -26,7 +27,8 @@ // Check FMT_CPLUSPLUS to suppress a bogus warning in MSVC. # if FMT_CPLUSPLUS >= 201703L -# if FMT_HAS_INCLUDE() +# if FMT_HAS_INCLUDE() && \ + (!defined(FMT_CPP_LIB_FILESYSTEM) || FMT_CPP_LIB_FILESYSTEM != 0) # include # endif # if FMT_HAS_INCLUDE() @@ -122,14 +124,16 @@ template struct formatter { public: FMT_CONSTEXPR void set_debug_format(bool set = true) { debug_ = set; } - template FMT_CONSTEXPR auto parse(ParseContext& ctx) { + FMT_CONSTEXPR auto parse(parse_context& ctx) { auto it = ctx.begin(), end = ctx.end(); if (it == end) return it; it = detail::parse_align(it, end, specs_); if (it == end) return it; - it = detail::parse_dynamic_spec(it, end, specs_.width, width_ref_, ctx); + Char c = *it; + if ((c >= '0' && c <= '9') || c == '{') + it = detail::parse_width(it, end, specs_, width_ref_, ctx); if (it != end && *it == '?') { debug_ = true; ++it; @@ -145,8 +149,8 @@ template struct formatter { !path_type_ ? p.native() : p.generic_string(); - detail::handle_dynamic_spec(specs.width, width_ref_, - ctx); + detail::handle_dynamic_spec(specs.dynamic_width(), specs.width, width_ref_, + ctx); if (!debug_) { auto s = detail::get_path_string(p, path_string); return detail::write(ctx.out(), basic_string_view(s), specs); @@ -180,7 +184,8 @@ FMT_END_NAMESPACE FMT_BEGIN_NAMESPACE FMT_EXPORT template -struct formatter, Char> : nested_formatter { +struct formatter, Char> + : nested_formatter, Char> { private: // Functor because C++11 doesn't support generic lambdas. struct writer { @@ -200,7 +205,7 @@ struct formatter, Char> : nested_formatter { template auto format(const std::bitset& bs, FormatContext& ctx) const -> decltype(ctx.out()) { - return write_padded(ctx, writer{bs}); + return this->write_padded(ctx, writer{bs}); } }; @@ -233,7 +238,7 @@ struct formatter, Char, FMT_CONSTEXPR static void maybe_set_debug_format(U&, ...) {} public: - template FMT_CONSTEXPR auto parse(ParseContext& ctx) { + FMT_CONSTEXPR auto parse(parse_context& ctx) { maybe_set_debug_format(underlying_, true); return underlying_.parse(ctx); } @@ -277,10 +282,10 @@ FMT_BEGIN_NAMESPACE FMT_EXPORT template struct formatter, Char, - std::enable_if_t::value && + std::enable_if_t<(std::is_void::value || + is_formattable::value) && is_formattable::value>> { - template - FMT_CONSTEXPR auto parse(ParseContext& ctx) -> decltype(ctx.begin()) { + FMT_CONSTEXPR auto parse(parse_context& ctx) -> const Char* { return ctx.begin(); } @@ -291,7 +296,8 @@ struct formatter, Char, if (value.has_value()) { out = detail::write(out, "expected("); - out = detail::write_escaped_alternative(out, *value); + if constexpr (!std::is_void::value) + out = detail::write_escaped_alternative(out, *value); } else { out = detail::write(out, "unexpected("); out = detail::write_escaped_alternative(out, value.error()); @@ -307,9 +313,7 @@ FMT_END_NAMESPACE FMT_BEGIN_NAMESPACE FMT_EXPORT template <> struct formatter { - template FMT_CONSTEXPR auto parse(ParseContext& ctx) { - return ctx.begin(); - } + FMT_CONSTEXPR auto parse(parse_context<>& ctx) { return ctx.begin(); } template auto format(const std::source_location& loc, FormatContext& ctx) const @@ -365,8 +369,7 @@ template struct is_variant_formattable { FMT_EXPORT template struct formatter { - template - FMT_CONSTEXPR auto parse(ParseContext& ctx) -> decltype(ctx.begin()) { + FMT_CONSTEXPR auto parse(parse_context& ctx) -> const Char* { return ctx.begin(); } @@ -383,8 +386,7 @@ struct formatter< Variant, Char, std::enable_if_t, is_variant_formattable>>> { - template - FMT_CONSTEXPR auto parse(ParseContext& ctx) -> decltype(ctx.begin()) { + FMT_CONSTEXPR auto parse(parse_context& ctx) -> const Char* { return ctx.begin(); } @@ -413,20 +415,37 @@ FMT_END_NAMESPACE FMT_BEGIN_NAMESPACE FMT_EXPORT -template struct formatter { - template - FMT_CONSTEXPR auto parse(ParseContext& ctx) -> decltype(ctx.begin()) { - return ctx.begin(); +template <> struct formatter { + private: + format_specs specs_; + detail::arg_ref width_ref_; + + public: + FMT_CONSTEXPR auto parse(parse_context<>& ctx) -> const char* { + auto it = ctx.begin(), end = ctx.end(); + if (it == end) return it; + + it = detail::parse_align(it, end, specs_); + if (it == end) return it; + + char c = *it; + if ((c >= '0' && c <= '9') || c == '{') + it = detail::parse_width(it, end, specs_, width_ref_, ctx); + return it; } template - FMT_CONSTEXPR auto format(const std::error_code& ec, FormatContext& ctx) const - -> decltype(ctx.out()) { - auto out = ctx.out(); - out = detail::write_bytes(out, ec.category().name(), format_specs()); - out = detail::write(out, Char(':')); - out = detail::write(out, ec.value()); - return out; + FMT_CONSTEXPR20 auto format(const std::error_code& ec, + FormatContext& ctx) const -> decltype(ctx.out()) { + auto specs = specs_; + detail::handle_dynamic_spec(specs.dynamic_width(), specs.width, width_ref_, + ctx); + memory_buffer buf; + buf.append(string_view(ec.category().name())); + buf.push_back(':'); + detail::write(appender(buf), ec.value()); + return detail::write(ctx.out(), string_view(buf.data(), buf.size()), + specs); } }; @@ -506,8 +525,7 @@ template struct formatter { public: - FMT_CONSTEXPR auto parse(basic_format_parse_context& ctx) - -> decltype(ctx.begin()) { + FMT_CONSTEXPR auto parse(parse_context& ctx) -> const Char* { return ctx.begin(); } @@ -528,8 +546,7 @@ struct formatter< bool with_typename_ = false; public: - FMT_CONSTEXPR auto parse(basic_format_parse_context& ctx) - -> decltype(ctx.begin()) { + FMT_CONSTEXPR auto parse(parse_context& ctx) -> const Char* { auto it = ctx.begin(); auto end = ctx.end(); if (it == end || *it == '}') return it; @@ -643,7 +660,7 @@ template struct formatter, Char> { if (c.real() != 0) { *out++ = Char('('); out = detail::write(out, c.real(), specs, ctx.locale()); - specs.sign = sign::plus; + specs.set_sign(sign::plus); out = detail::write(out, c.imag(), specs, ctx.locale()); if (!detail::isfinite(c.imag())) *out++ = Char(' '); *out++ = Char('i'); @@ -657,8 +674,7 @@ template struct formatter, Char> { } public: - FMT_CONSTEXPR auto parse(basic_format_parse_context& ctx) - -> decltype(ctx.begin()) { + FMT_CONSTEXPR auto parse(parse_context& ctx) -> const Char* { if (ctx.begin() == ctx.end() || *ctx.begin() == '}') return ctx.begin(); return parse_format_specs(ctx.begin(), ctx.end(), specs_, ctx, detail::type_constant::value); @@ -668,12 +684,11 @@ template struct formatter, Char> { auto format(const std::complex& c, FormatContext& ctx) const -> decltype(ctx.out()) { auto specs = specs_; - if (specs.width_ref.kind != detail::arg_id_kind::none || - specs.precision_ref.kind != detail::arg_id_kind::none) { - detail::handle_dynamic_spec(specs.width, - specs.width_ref, ctx); - detail::handle_dynamic_spec( - specs.precision, specs.precision_ref, ctx); + if (specs.dynamic()) { + detail::handle_dynamic_spec(specs.dynamic_width(), specs.width, + specs.width_ref, ctx); + detail::handle_dynamic_spec(specs.dynamic_precision(), specs.precision, + specs.precision_ref, ctx); } if (specs.width == 0) return do_format(c, specs, ctx, ctx.out()); @@ -681,12 +696,12 @@ template struct formatter, Char> { auto outer_specs = format_specs(); outer_specs.width = specs.width; - outer_specs.fill = specs.fill; - outer_specs.align = specs.align; + outer_specs.copy_fill_from(specs); + outer_specs.set_align(specs.align()); specs.width = 0; - specs.fill = {}; - specs.align = align::none; + specs.set_fill({}); + specs.set_align(align::none); do_format(c, specs, ctx, basic_appender(buf)); return detail::write(ctx.out(), @@ -695,5 +710,17 @@ template struct formatter, Char> { } }; +FMT_EXPORT +template +struct formatter, Char, + enable_if_t, Char>::value>> + : formatter, Char> { + template + auto format(std::reference_wrapper ref, FormatContext& ctx) const + -> decltype(ctx.out()) { + return formatter, Char>::format(ref.get(), ctx); + } +}; + FMT_END_NAMESPACE #endif // FMT_STD_H_ diff --git a/thirdparty/fmt/include/fmt/xchar.h b/thirdparty/fmt/include/fmt/xchar.h index b1f39ed22..9f7f889d6 100644 --- a/thirdparty/fmt/include/fmt/xchar.h +++ b/thirdparty/fmt/include/fmt/xchar.h @@ -10,11 +10,12 @@ #include "color.h" #include "format.h" +#include "ostream.h" #include "ranges.h" #ifndef FMT_MODULE # include -# if !defined(FMT_STATIC_THOUSANDS_SEPARATOR) +# if FMT_USE_LOCALE # include # endif #endif @@ -34,7 +35,8 @@ struct format_string_char< }; template -struct format_string_char::value>> { +struct format_string_char< + S, enable_if_t::value>> { using type = typename S::char_type; }; @@ -43,7 +45,7 @@ using format_string_char_t = typename format_string_char::type; inline auto write_loc(basic_appender out, loc_value value, const format_specs& specs, locale_ref loc) -> bool { -#ifndef FMT_STATIC_THOUSANDS_SEPARATOR +#if FMT_USE_LOCALE auto& numpunct = std::use_facet>(loc.get()); auto separator = std::wstring(); @@ -58,30 +60,64 @@ inline auto write_loc(basic_appender out, loc_value value, FMT_BEGIN_EXPORT using wstring_view = basic_string_view; -using wformat_parse_context = basic_format_parse_context; +using wformat_parse_context = parse_context; using wformat_context = buffered_context; using wformat_args = basic_format_args; using wmemory_buffer = basic_memory_buffer; -#if FMT_GCC_VERSION && FMT_GCC_VERSION < 409 -// Workaround broken conversion on older gcc. -template using wformat_string = wstring_view; -inline auto runtime(wstring_view s) -> wstring_view { return s; } -#else -template -using wformat_string = basic_format_string...>; +template struct basic_fstring { + private: + basic_string_view str_; + + static constexpr int num_static_named_args = + detail::count_static_named_args(); + + using checker = detail::format_string_checker< + Char, static_cast(sizeof...(T)), num_static_named_args, + num_static_named_args != detail::count_named_args()>; + + using arg_pack = detail::arg_pack; + + public: + using t = basic_fstring; + + template >::value)> + FMT_CONSTEVAL FMT_ALWAYS_INLINE basic_fstring(const S& s) : str_(s) { + if (FMT_USE_CONSTEVAL) + detail::parse_format_string(s, checker(s, arg_pack())); + } + template ::value&& + std::is_same::value)> + FMT_ALWAYS_INLINE basic_fstring(const S&) : str_(S()) { + FMT_CONSTEXPR auto sv = basic_string_view(S()); + FMT_CONSTEXPR int ignore = + (parse_format_string(sv, checker(sv, arg_pack())), 0); + detail::ignore_unused(ignore); + } + basic_fstring(runtime_format_string fmt) : str_(fmt.str) {} + + operator basic_string_view() const { return str_; } + auto get() const -> basic_string_view { return str_; } +}; + +template +using basic_format_string = basic_fstring; + +template +using wformat_string = typename basic_format_string::t; inline auto runtime(wstring_view s) -> runtime_format_string { return {{s}}; } -#endif template <> struct is_char : std::true_type {}; template <> struct is_char : std::true_type {}; template <> struct is_char : std::true_type {}; #ifdef __cpp_char8_t -template <> -struct is_char : bool_constant {}; +template <> struct is_char : bool_constant {}; #endif template @@ -90,14 +126,13 @@ constexpr auto make_wformat_args(T&... args) return fmt::make_format_args(args...); } +#if !FMT_USE_NONTYPE_TEMPLATE_ARGS inline namespace literals { -#if FMT_USE_USER_DEFINED_LITERALS && !FMT_USE_NONTYPE_TEMPLATE_ARGS -constexpr auto operator""_a(const wchar_t* s, size_t) - -> detail::udl_arg { +inline auto operator""_a(const wchar_t* s, size_t) -> detail::udl_arg { return {s}; } -#endif } // namespace literals +#endif template auto join(It begin, Sentinel end, wstring_view sep) @@ -105,9 +140,9 @@ auto join(It begin, Sentinel end, wstring_view sep) return {begin, end, sep}; } -template +template ::value)> auto join(Range&& range, wstring_view sep) - -> join_view, detail::sentinel_t, + -> join_view { return join(std::begin(range), std::end(range), sep); } @@ -118,19 +153,19 @@ auto join(std::initializer_list list, wstring_view sep) return join(std::begin(list), std::end(list), sep); } -template -auto join(const std::tuple& tuple, basic_string_view sep) - -> tuple_join_view { +template ::value)> +auto join(const Tuple& tuple, basic_string_view sep) + -> tuple_join_view { return {tuple, sep}; } template ::value)> -auto vformat(basic_string_view format_str, +auto vformat(basic_string_view fmt, typename detail::vformat_args::type args) -> std::basic_string { auto buf = basic_memory_buffer(); - detail::vformat_to(buf, format_str, args); - return to_string(buf); + detail::vformat_to(buf, fmt, args); + return {buf.data(), buf.size()}; } template @@ -151,8 +186,8 @@ template , FMT_ENABLE_IF(!std::is_same::value && !std::is_same::value)> -auto format(const S& format_str, T&&... args) -> std::basic_string { - return vformat(detail::to_string_view(format_str), +auto format(const S& fmt, T&&... args) -> std::basic_string { + return vformat(detail::to_string_view(fmt), fmt::make_format_args>(args...)); } @@ -160,31 +195,33 @@ template , FMT_ENABLE_IF(detail::is_locale::value&& detail::is_exotic_char::value)> -inline auto vformat(const Locale& loc, const S& format_str, +inline auto vformat(const Locale& loc, const S& fmt, typename detail::vformat_args::type args) -> std::basic_string { - return detail::vformat(loc, detail::to_string_view(format_str), args); + auto buf = basic_memory_buffer(); + detail::vformat_to(buf, detail::to_string_view(fmt), args, + detail::locale_ref(loc)); + return {buf.data(), buf.size()}; } template , FMT_ENABLE_IF(detail::is_locale::value&& detail::is_exotic_char::value)> -inline auto format(const Locale& loc, const S& format_str, T&&... args) +inline auto format(const Locale& loc, const S& fmt, T&&... args) -> std::basic_string { - return detail::vformat( - loc, detail::to_string_view(format_str), - fmt::make_format_args>(args...)); + return vformat(loc, detail::to_string_view(fmt), + fmt::make_format_args>(args...)); } template , FMT_ENABLE_IF(detail::is_output_iterator::value&& detail::is_exotic_char::value)> -auto vformat_to(OutputIt out, const S& format_str, +auto vformat_to(OutputIt out, const S& fmt, typename detail::vformat_args::type args) -> OutputIt { auto&& buf = detail::get_buffer(out); - detail::vformat_to(buf, detail::to_string_view(format_str), args); + detail::vformat_to(buf, detail::to_string_view(fmt), args); return detail::get_iterator(buf, out); } @@ -203,37 +240,35 @@ template ::value&& detail::is_locale::value&& detail::is_exotic_char::value)> -inline auto vformat_to(OutputIt out, const Locale& loc, const S& format_str, +inline auto vformat_to(OutputIt out, const Locale& loc, const S& fmt, typename detail::vformat_args::type args) -> OutputIt { auto&& buf = detail::get_buffer(out); - vformat_to(buf, detail::to_string_view(format_str), args, - detail::locale_ref(loc)); + vformat_to(buf, detail::to_string_view(fmt), args, detail::locale_ref(loc)); return detail::get_iterator(buf, out); } -template , bool enable = detail::is_output_iterator::value && detail::is_locale::value && detail::is_exotic_char::value> -inline auto format_to(OutputIt out, const Locale& loc, const S& format_str, +inline auto format_to(OutputIt out, const Locale& loc, const S& fmt, T&&... args) -> typename std::enable_if::type { - return vformat_to(out, loc, detail::to_string_view(format_str), + return vformat_to(out, loc, detail::to_string_view(fmt), fmt::make_format_args>(args...)); } template ::value&& detail::is_exotic_char::value)> -inline auto vformat_to_n(OutputIt out, size_t n, - basic_string_view format_str, +inline auto vformat_to_n(OutputIt out, size_t n, basic_string_view fmt, typename detail::vformat_args::type args) -> format_to_n_result { using traits = detail::fixed_buffer_traits; auto buf = detail::iterator_buffer(out, n); - detail::vformat_to(buf, format_str, args); + detail::vformat_to(buf, fmt, args); return {buf.out(), buf.count()}; } @@ -291,7 +326,7 @@ inline auto vformat(const text_style& ts, wstring_view fmt, wformat_args args) -> std::wstring { auto buf = wmemory_buffer(); detail::vformat_to(buf, ts, fmt, args); - return fmt::to_string(buf); + return {buf.data(), buf.size()}; } template @@ -312,6 +347,22 @@ FMT_DEPRECATED void print(const text_style& ts, wformat_string fmt, return print(stdout, ts, fmt, args...); } +inline void vprint(std::wostream& os, wstring_view fmt, wformat_args args) { + auto buffer = basic_memory_buffer(); + detail::vformat_to(buffer, fmt, args); + detail::write_buffer(os, buffer); +} + +template +void print(std::wostream& os, wformat_string fmt, T&&... args) { + vprint(os, fmt, fmt::make_format_args>(args...)); +} + +template +void println(std::wostream& os, wformat_string fmt, T&&... args) { + print(os, L"{}\n", fmt::format(fmt, std::forward(args)...)); +} + /// Converts `value` to `std::wstring` using the default format for type `T`. template inline auto to_wstring(const T& value) -> std::wstring { return format(FMT_STRING(L"{}"), value); diff --git a/thirdparty/fmt/src/fmt.cc b/thirdparty/fmt/src/fmt.cc index fb514ad76..671fd6958 100644 --- a/thirdparty/fmt/src/fmt.cc +++ b/thirdparty/fmt/src/fmt.cc @@ -1,5 +1,13 @@ module; +#define FMT_MODULE + +#ifdef _MSVC_LANG +# define FMT_CPLUSPLUS _MSVC_LANG +#else +# define FMT_CPLUSPLUS __cplusplus +#endif + // Put all implementation-provided headers into the global module fragment // to prevent attachment to this module. #ifndef FMT_IMPORT_STD @@ -15,7 +23,9 @@ module; # include # include # include -# include +# if FMT_CPLUSPLUS > 202002L +# include +# endif # include # include # include @@ -127,9 +137,17 @@ extern "C++" { module :private; #endif +#ifdef FMT_ATTACH_TO_GLOBAL_MODULE +extern "C++" { +#endif + #if FMT_HAS_INCLUDE("format.cc") # include "format.cc" #endif #if FMT_OS && FMT_HAS_INCLUDE("os.cc") # include "os.cc" #endif + +#ifdef FMT_ATTACH_TO_GLOBAL_MODULE +} +#endif diff --git a/thirdparty/fmt/src/format.cc b/thirdparty/fmt/src/format.cc index 391d3a248..3ccd80684 100644 --- a/thirdparty/fmt/src/format.cc +++ b/thirdparty/fmt/src/format.cc @@ -15,7 +15,8 @@ template FMT_API auto dragonbox::to_decimal(float x) noexcept template FMT_API auto dragonbox::to_decimal(double x) noexcept -> dragonbox::decimal_fp; -#ifndef FMT_STATIC_THOUSANDS_SEPARATOR +#if FMT_USE_LOCALE +// DEPRECATED! locale_ref in the detail namespace template FMT_API locale_ref::locale_ref(const std::locale& loc); template FMT_API auto locale_ref::get() const -> std::locale; #endif @@ -26,8 +27,10 @@ template FMT_API auto thousands_sep_impl(locale_ref) -> thousands_sep_result; template FMT_API auto decimal_point_impl(locale_ref) -> char; +// DEPRECATED! template FMT_API void buffer::append(const char*, const char*); +// DEPRECATED! template FMT_API void vformat_to(buffer&, string_view, typename vformat_args<>::type, locale_ref); diff --git a/thirdparty/fmt/src/os.cc b/thirdparty/fmt/src/os.cc index 273664997..c833a0514 100644 --- a/thirdparty/fmt/src/os.cc +++ b/thirdparty/fmt/src/os.cc @@ -160,7 +160,7 @@ void detail::format_windows_error(detail::buffer& out, int error_code, } void report_windows_error(int error_code, const char* message) noexcept { - report_error(detail::format_windows_error, error_code, message); + do_report_error(detail::format_windows_error, error_code, message); } #endif // _WIN32 @@ -374,30 +374,25 @@ long getpagesize() { } # endif -namespace detail { - -void file_buffer::grow(buffer& buf, size_t) { - if (buf.size() == buf.capacity()) static_cast(buf).flush(); +void ostream::grow(buffer& buf, size_t) { + if (buf.size() == buf.capacity()) static_cast(buf).flush(); } -file_buffer::file_buffer(cstring_view path, const ostream_params& params) +ostream::ostream(cstring_view path, const detail::ostream_params& params) : buffer(grow), file_(path, params.oflag) { set(new char[params.buffer_size], params.buffer_size); } -file_buffer::file_buffer(file_buffer&& other) noexcept +ostream::ostream(ostream&& other) noexcept : buffer(grow, other.data(), other.size(), other.capacity()), file_(std::move(other.file_)) { other.clear(); other.set(nullptr, 0); } -file_buffer::~file_buffer() { +ostream::~ostream() { flush(); delete[] data(); } -} // namespace detail - -ostream::~ostream() = default; #endif // FMT_USE_FCNTL FMT_END_NAMESPACE diff --git a/thirdparty/fmt/support/check-commits b/thirdparty/fmt/support/check-commits old mode 100644 new mode 100755 diff --git a/thirdparty/fmt/support/mkdocs b/thirdparty/fmt/support/mkdocs old mode 100644 new mode 100755 index 6901918ed..e554c1fdc --- a/thirdparty/fmt/support/mkdocs +++ b/thirdparty/fmt/support/mkdocs @@ -15,6 +15,27 @@ path = env.get('PYTHONPATH') env['PYTHONPATH'] = \ (path + ':' if path else '') + os.path.join(support_dir, 'python') +redirect_page = \ +''' + + + + Redirecting + + + + + Redirecting to api... + + +''' + config_path = os.path.join(support_dir, 'mkdocs.yml') args = sys.argv[1:] if len(args) > 0: @@ -23,7 +44,7 @@ if len(args) > 0: git_url = 'https://github.com/' if 'CI' in os.environ else 'git@github.com:' site_repo = git_url + 'fmtlib/fmt.dev.git' - site_dir = os. path.join(build_dir, 'fmt.dev') + site_dir = os.path.join(build_dir, 'fmt.dev') try: shutil.rmtree(site_dir) except OSError as e: @@ -37,8 +58,19 @@ if len(args) > 0: config_build_path = os.path.join(build_dir, 'mkdocs.yml') shutil.copyfile(config_path, config_build_path) - sys.exit(call(['mike'] + args + ['--config-file', config_build_path, - '--branch', 'master'], cwd=site_dir, env=env)) + version = args[1] + ret = call(['mike'] + args + ['--config-file', config_build_path, + '--branch', 'master'], cwd=site_dir, env=env) + if ret != 0 or version == 'dev': + sys.exit(ret) + redirect_page_path = os.path.join(site_dir, version, 'api.html') + with open(redirect_page_path, "w") as file: + file.write(redirect_page) + ret = call(['git', 'add', redirect_page_path], cwd=site_dir) + if ret != 0: + sys.exit(ret) + ret = call(['git', 'commit', '--amend', '--no-edit'], cwd=site_dir) + sys.exit(ret) elif not command.startswith('-'): args += ['-f', config_path] sys.exit(call(['mkdocs'] + args, env=env)) diff --git a/thirdparty/fmt/support/python/mkdocstrings_handlers/cxx/__init__.py b/thirdparty/fmt/support/python/mkdocstrings_handlers/cxx/__init__.py index 4ade52ab2..85d52a580 100644 --- a/thirdparty/fmt/support/python/mkdocstrings_handlers/cxx/__init__.py +++ b/thirdparty/fmt/support/python/mkdocstrings_handlers/cxx/__init__.py @@ -1,317 +1,338 @@ # A basic mkdocstrings handler for {fmt}. # Copyright (c) 2012 - present, Victor Zverovich +# https://github.com/fmtlib/fmt/blob/master/LICENSE import os +import xml.etree.ElementTree as ElementTree from pathlib import Path +from subprocess import PIPE, STDOUT, CalledProcessError, Popen from typing import Any, List, Mapping, Optional -from subprocess import CalledProcessError, PIPE, Popen, STDOUT -import xml.etree.ElementTree as et from mkdocstrings.handlers.base import BaseHandler + class Definition: - '''A definition extracted by Doxygen.''' - def __init__(self, name: str, kind: Optional[str] = None, - node: Optional[et.Element] = None, - is_member: bool = False): - self.name = name - self.kind = kind if kind is not None else node.get('kind') - self.id = name if not is_member else None - self.params = None - self.members = None + """A definition extracted by Doxygen.""" + + def __init__(self, name: str, kind: Optional[str] = None, + node: Optional[ElementTree.Element] = None, + is_member: bool = False): + self.name = name + self.kind = kind if kind is not None else node.get('kind') + self.desc = None + self.id = name if not is_member else None + self.members = None + self.params = None + self.template_params = None + self.trailing_return_type = None + self.type = None + # A map from Doxygen to HTML tags. tag_map = { - 'bold': 'b', - 'emphasis': 'em', - 'computeroutput': 'code', - 'para': 'p', - 'programlisting': 'pre', - 'verbatim': 'pre' + 'bold': 'b', + 'emphasis': 'em', + 'computeroutput': 'code', + 'para': 'p', + 'programlisting': 'pre', + 'verbatim': 'pre' } # A map from Doxygen tags to text. tag_text_map = { - 'codeline': '', - 'highlight': '', - 'sp': ' ' + 'codeline': '', + 'highlight': '', + 'sp': ' ' } + def escape_html(s: str) -> str: - return s.replace("<", "<") - -def doxyxml2html(nodes: List[et.Element]): - out = '' - for n in nodes: - tag = tag_map.get(n.tag) - if not tag: - out += tag_text_map[n.tag] - out += '<' + tag + '>' if tag else '' - out += '' if tag == 'pre' else '' - if n.text: - out += escape_html(n.text) - out += doxyxml2html(n) - out += '' if tag == 'pre' else '' - out += '' if tag else '' - if n.tail: - out += n.tail - return out - -def convert_template_params(node: et.Element) -> Optional[List[Definition]]: - templateparamlist = node.find('templateparamlist') - if templateparamlist is None: - return None - params = [] - for param_node in templateparamlist.findall('param'): - name = param_node.find('declname') - param = Definition(name.text if name is not None else '', 'param') - param.type = param_node.find('type').text - params.append(param) - return params - -def get_description(node: et.Element) -> List[et.Element]: - return node.findall('briefdescription/para') + \ - node.findall('detaileddescription/para') - -def normalize_type(type: str) -> str: - type = type.replace('< ', '<').replace(' >', '>') - return type.replace(' &', '&').replace(' *', '*') - -def convert_type(type: et.Element) -> str: - if type is None: - return None - result = type.text if type.text else '' - for ref in type: - result += ref.text - if ref.tail: - result += ref.tail - result += type.tail.strip() - return normalize_type(result) - -def convert_params(func: et.Element) -> Definition: - params = [] - for p in func.findall('param'): - d = Definition(p.find('declname').text, 'param') - d.type = convert_type(p.find('type')) - params.append(d) - return params - -def convert_return_type(d: Definition, node: et.Element) -> None: - d.trailing_return_type = None - if d.type == 'auto' or d.type == 'constexpr auto': - parts = node.find('argsstring').text.split(' -> ') - if len(parts) > 1: - d.trailing_return_type = normalize_type(parts[1]) + return s.replace("<", "<") + + +def doxyxml2html(nodes: List[ElementTree.Element]): + out = '' + for n in nodes: + tag = tag_map.get(n.tag) + if not tag: + out += tag_text_map[n.tag] + out += '<' + tag + '>' if tag else '' + out += '' if tag == 'pre' else '' + if n.text: + out += escape_html(n.text) + out += doxyxml2html(list(n)) + out += '' if tag == 'pre' else '' + out += '' if tag else '' + if n.tail: + out += n.tail + return out + + +def convert_template_params(node: ElementTree.Element) -> Optional[List[Definition]]: + template_param_list = node.find('templateparamlist') + if template_param_list is None: + return None + params = [] + for param_node in template_param_list.findall('param'): + name = param_node.find('declname') + param = Definition(name.text if name is not None else '', 'param') + param.type = param_node.find('type').text + params.append(param) + return params + + +def get_description(node: ElementTree.Element) -> List[ElementTree.Element]: + return node.findall('briefdescription/para') + \ + node.findall('detaileddescription/para') + + +def normalize_type(type_: str) -> str: + type_ = type_.replace('< ', '<').replace(' >', '>') + return type_.replace(' &', '&').replace(' *', '*') + + +def convert_type(type_: ElementTree.Element) -> Optional[str]: + if type_ is None: + return None + result = type_.text if type_.text else '' + for ref in type_: + result += ref.text + if ref.tail: + result += ref.tail + result += type_.tail.strip() + return normalize_type(result) + + +def convert_params(func: ElementTree.Element) -> List[Definition]: + params = [] + for p in func.findall('param'): + d = Definition(p.find('declname').text, 'param') + d.type = convert_type(p.find('type')) + params.append(d) + return params + + +def convert_return_type(d: Definition, node: ElementTree.Element) -> None: + d.trailing_return_type = None + if d.type == 'auto' or d.type == 'constexpr auto': + parts = node.find('argsstring').text.split(' -> ') + if len(parts) > 1: + d.trailing_return_type = normalize_type(parts[1]) + def render_param(param: Definition) -> str: - return param.type + (f' {param.name}' if len(param.name) > 0 else '') - -def render_decl(d: Definition) -> None: - text = '' - if d.id is not None: - text += f'\n' - text += '

'
-
-  text += '
'
-  if d.template_params is not None:
-    text += 'template <'
-    text += ', '.join([render_param(p) for p in d.template_params])
-    text += '>\n'
-  text += '
'
-
-  text += '
'
-  end = ';'
-  if d.kind == 'function' or d.kind == 'variable':
-    text += d.type + ' ' if len(d.type) > 0 else ''
-  elif d.kind == 'typedef':
-    text += 'using '
-  elif d.kind == 'define':
-    end = ''
-  else:
-    text += d.kind + ' '
-  text += d.name
-
-  if d.params is not None:
-    params = ', '.join([
-      (p.type + ' ' if p.type else '') + p.name for p in d.params])
-    text += '(' + escape_html(params) + ')'
-    if d.trailing_return_type:
-      text += ' -⁠> ' + escape_html(d.trailing_return_type)
-  elif d.kind == 'typedef':
-    text += ' = ' + escape_html(d.type)
-
-  text += end
-  text += '
'
-  text += '
\n' - if d.id is not None: - text += f'\n' - return text + return param.type + (f' {param.name}' if len(param.name) > 0 else '') -class CxxHandler(BaseHandler): - def __init__(self, **kwargs: Any) -> None: - super().__init__(handler='cxx', **kwargs) - - headers = [ - 'args.h', 'base.h', 'chrono.h', 'color.h', 'compile.h', 'format.h', - 'os.h', 'ostream.h', 'printf.h', 'ranges.h', 'std.h', 'xchar.h' - ] - - # Run doxygen. - cmd = ['doxygen', '-'] - support_dir = Path(__file__).parents[3] - top_dir = os.path.dirname(support_dir) - include_dir = os.path.join(top_dir, 'include', 'fmt') - self._ns2doxyxml = {} - build_dir = os.path.join(top_dir, 'build') - os.makedirs(build_dir, exist_ok=True) - self._doxyxml_dir = os.path.join(build_dir, 'doxyxml') - p = Popen(cmd, stdin=PIPE, stdout=PIPE, stderr=STDOUT) - _, _ = p.communicate(input=r''' - PROJECT_NAME = fmt - GENERATE_XML = YES - GENERATE_LATEX = NO - GENERATE_HTML = NO - INPUT = {0} - XML_OUTPUT = {1} - QUIET = YES - AUTOLINK_SUPPORT = NO - MACRO_EXPANSION = YES - PREDEFINED = _WIN32=1 \ - __linux__=1 \ - FMT_ENABLE_IF(...)= \ - FMT_USE_USER_DEFINED_LITERALS=1 \ - FMT_USE_ALIAS_TEMPLATES=1 \ - FMT_USE_NONTYPE_TEMPLATE_ARGS=1 \ - FMT_API= \ - "FMT_BEGIN_NAMESPACE=namespace fmt {{" \ - "FMT_END_NAMESPACE=}}" \ - "FMT_DOC=1" - '''.format( - ' '.join([os.path.join(include_dir, h) for h in headers]), - self._doxyxml_dir).encode('utf-8')) - if p.returncode != 0: - raise CalledProcessError(p.returncode, cmd) - - # Merge all file-level XMLs into one to simplify search. - self._file_doxyxml = None - for h in headers: - filename = h.replace(".h", "_8h.xml") - with open(os.path.join(self._doxyxml_dir, filename)) as f: - doxyxml = et.parse(f) - if self._file_doxyxml is None: - self._file_doxyxml = doxyxml - continue - root = self._file_doxyxml.getroot() - for node in doxyxml.getroot(): - root.append(node) - - def collect_compound(self, identifier: str, - cls: List[et.Element]) -> Definition: - '''Collect a compound definition such as a struct.''' - path = os.path.join(self._doxyxml_dir, cls[0].get('refid') + '.xml') - with open(path) as f: - xml = et.parse(f) - node = xml.find('compounddef') - d = Definition(identifier, node=node) - d.template_params = convert_template_params(node) - d.desc = get_description(node) - d.members = [] - for m in node.findall('sectiondef[@kind="public-attrib"]/memberdef') + \ - node.findall('sectiondef[@kind="public-func"]/memberdef'): - name = m.find('name').text - # Doxygen incorrectly classifies members of private unnamed unions as - # public members of the containing class. - if name.endswith('_'): - continue - desc = get_description(m) - if len(desc) == 0: - continue - kind = m.get('kind') - member = Definition(name if name else '', kind=kind, is_member=True) - type = m.find('type').text - member.type = type if type else '' - if kind == 'function': - member.params = convert_params(m) - convert_return_type(member, m) - member.template_params = None - member.desc = desc - d.members.append(member) - return d - - def collect(self, identifier: str, config: Mapping[str, Any]) -> Definition: - qual_name = 'fmt::' + identifier - - param_str = None - paren = qual_name.find('(') - if paren > 0: - qual_name, param_str = qual_name[:paren], qual_name[paren + 1:-1] - - colons = qual_name.rfind('::') - namespace, name = qual_name[:colons], qual_name[colons + 2:] - - # Load XML. - doxyxml = self._ns2doxyxml.get(namespace) - if doxyxml is None: - path = f'namespace{namespace.replace("::", "_1_1")}.xml' - with open(os.path.join(self._doxyxml_dir, path)) as f: - doxyxml = et.parse(f) - self._ns2doxyxml[namespace] = doxyxml - - nodes = doxyxml.findall( - f"compounddef/sectiondef/memberdef/name[.='{name}']/..") - if len(nodes) == 0: - nodes = self._file_doxyxml.findall( - f"compounddef/sectiondef/memberdef/name[.='{name}']/..") - candidates = [] - for node in nodes: - # Process a function or a typedef. - params = None - d = Definition(name, node=node) - if d.kind == 'function': - params = convert_params(node) - node_param_str = ', '.join([p.type for p in params]) - if param_str and param_str != node_param_str: - candidates.append(f'{name}({node_param_str})') - continue - elif d.kind == 'define': - params = [] - for p in node.findall('param'): - param = Definition(p.find('defname').text, kind='param') - param.type = None - params.append(param) - d.type = convert_type(node.find('type')) - d.template_params = convert_template_params(node) - d.params = params - convert_return_type(d, node) - d.desc = get_description(node) - return d - - cls = doxyxml.findall(f"compounddef/innerclass[.='{qual_name}']") - if not cls: - raise Exception(f'Cannot find {identifier}. Candidates: {candidates}') - return self.collect_compound(identifier, cls) - - def render(self, d: Definition, config: dict) -> str: + +def render_decl(d: Definition) -> str: + text = '' if d.id is not None: - self.do_heading('', 0, id=d.id) - text = '
\n' - text += render_decl(d) - text += '
\n' - text += doxyxml2html(d.desc) - if d.members is not None: - for m in d.members: - text += self.render(m, config) - text += '
\n' - text += '
\n' + text += f'\n' + text += '
'
+
+    text += '
'
+    if d.template_params is not None:
+        text += 'template <'
+        text += ', '.join([render_param(p) for p in d.template_params])
+        text += '>\n'
+    text += '
'
+
+    text += '
'
+    end = ';'
+    if d.kind == 'function' or d.kind == 'variable':
+        text += d.type + ' ' if len(d.type) > 0 else ''
+    elif d.kind == 'typedef':
+        text += 'using '
+    elif d.kind == 'define':
+        end = ''
+    else:
+        text += d.kind + ' '
+    text += d.name
+
+    if d.params is not None:
+        params = ', '.join([
+            (p.type + ' ' if p.type else '') + p.name for p in d.params])
+        text += '(' + escape_html(params) + ')'
+        if d.trailing_return_type:
+            text += ' -⁠> ' + escape_html(d.trailing_return_type)
+    elif d.kind == 'typedef':
+        text += ' = ' + escape_html(d.type)
+
+    text += end
+    text += '
'
+    text += '
\n' + if d.id is not None: + text += f'\n' return text + +class CxxHandler(BaseHandler): + def __init__(self, **kwargs: Any) -> None: + super().__init__(handler='cxx', **kwargs) + + headers = [ + 'args.h', 'base.h', 'chrono.h', 'color.h', 'compile.h', 'format.h', + 'os.h', 'ostream.h', 'printf.h', 'ranges.h', 'std.h', 'xchar.h' + ] + + # Run doxygen. + cmd = ['doxygen', '-'] + support_dir = Path(__file__).parents[3] + top_dir = os.path.dirname(support_dir) + include_dir = os.path.join(top_dir, 'include', 'fmt') + self._ns2doxyxml = {} + build_dir = os.path.join(top_dir, 'build') + os.makedirs(build_dir, exist_ok=True) + self._doxyxml_dir = os.path.join(build_dir, 'doxyxml') + p = Popen(cmd, stdin=PIPE, stdout=PIPE, stderr=STDOUT) + _, _ = p.communicate(input=r''' + PROJECT_NAME = fmt + GENERATE_XML = YES + GENERATE_LATEX = NO + GENERATE_HTML = NO + INPUT = {0} + XML_OUTPUT = {1} + QUIET = YES + AUTOLINK_SUPPORT = NO + MACRO_EXPANSION = YES + PREDEFINED = _WIN32=1 \ + __linux__=1 \ + FMT_ENABLE_IF(...)= \ + FMT_USE_USER_LITERALS=1 \ + FMT_USE_ALIAS_TEMPLATES=1 \ + FMT_USE_NONTYPE_TEMPLATE_ARGS=1 \ + FMT_API= \ + "FMT_BEGIN_NAMESPACE=namespace fmt {{" \ + "FMT_END_NAMESPACE=}}" \ + "FMT_DOC=1" + '''.format( + ' '.join([os.path.join(include_dir, h) for h in headers]), + self._doxyxml_dir).encode('utf-8')) + if p.returncode != 0: + raise CalledProcessError(p.returncode, cmd) + + # Merge all file-level XMLs into one to simplify search. + self._file_doxyxml = None + for h in headers: + filename = h.replace(".h", "_8h.xml") + with open(os.path.join(self._doxyxml_dir, filename)) as f: + doxyxml = ElementTree.parse(f) + if self._file_doxyxml is None: + self._file_doxyxml = doxyxml + continue + root = self._file_doxyxml.getroot() + for node in doxyxml.getroot(): + root.append(node) + + def collect_compound(self, identifier: str, + cls: List[ElementTree.Element]) -> Definition: + """Collect a compound definition such as a struct.""" + path = os.path.join(self._doxyxml_dir, cls[0].get('refid') + '.xml') + with open(path) as f: + xml = ElementTree.parse(f) + node = xml.find('compounddef') + d = Definition(identifier, node=node) + d.template_params = convert_template_params(node) + d.desc = get_description(node) + d.members = [] + for m in \ + node.findall('sectiondef[@kind="public-attrib"]/memberdef') + \ + node.findall('sectiondef[@kind="public-func"]/memberdef'): + name = m.find('name').text + # Doxygen incorrectly classifies members of private unnamed unions as + # public members of the containing class. + if name.endswith('_'): + continue + desc = get_description(m) + if len(desc) == 0: + continue + kind = m.get('kind') + member = Definition(name if name else '', kind=kind, is_member=True) + type_text = m.find('type').text + member.type = type_text if type_text else '' + if kind == 'function': + member.params = convert_params(m) + convert_return_type(member, m) + member.template_params = None + member.desc = desc + d.members.append(member) + return d + + def collect(self, identifier: str, _config: Mapping[str, Any]) -> Definition: + qual_name = 'fmt::' + identifier + + param_str = None + paren = qual_name.find('(') + if paren > 0: + qual_name, param_str = qual_name[:paren], qual_name[paren + 1:-1] + + colons = qual_name.rfind('::') + namespace, name = qual_name[:colons], qual_name[colons + 2:] + + # Load XML. + doxyxml = self._ns2doxyxml.get(namespace) + if doxyxml is None: + path = f'namespace{namespace.replace("::", "_1_1")}.xml' + with open(os.path.join(self._doxyxml_dir, path)) as f: + doxyxml = ElementTree.parse(f) + self._ns2doxyxml[namespace] = doxyxml + + nodes = doxyxml.findall( + f"compounddef/sectiondef/memberdef/name[.='{name}']/..") + if len(nodes) == 0: + nodes = self._file_doxyxml.findall( + f"compounddef/sectiondef/memberdef/name[.='{name}']/..") + candidates = [] + for node in nodes: + # Process a function or a typedef. + params = None + d = Definition(name, node=node) + if d.kind == 'function': + params = convert_params(node) + node_param_str = ', '.join([p.type for p in params]) + if param_str and param_str != node_param_str: + candidates.append(f'{name}({node_param_str})') + continue + elif d.kind == 'define': + params = [] + for p in node.findall('param'): + param = Definition(p.find('defname').text, kind='param') + param.type = None + params.append(param) + d.type = convert_type(node.find('type')) + d.template_params = convert_template_params(node) + d.params = params + convert_return_type(d, node) + d.desc = get_description(node) + return d + + cls = doxyxml.findall(f"compounddef/innerclass[.='{qual_name}']") + if not cls: + raise Exception(f'Cannot find {identifier}. Candidates: {candidates}') + return self.collect_compound(identifier, cls) + + def render(self, d: Definition, config: dict) -> str: + if d.id is not None: + self.do_heading('', 0, id=d.id) + text = '
\n' + text += render_decl(d) + text += '
\n' + text += doxyxml2html(d.desc) + if d.members is not None: + for m in d.members: + text += self.render(m, config) + text += '
\n' + text += '
\n' + return text + + def get_handler(theme: str, custom_templates: Optional[str] = None, - **config: Any) -> CxxHandler: - '''Return an instance of `CxxHandler`. - - Arguments: - theme: The theme to use when rendering contents. - custom_templates: Directory containing custom templates. - **config: Configuration passed to the handler. - ''' - return CxxHandler(theme=theme, custom_templates=custom_templates) + **_config: Any) -> CxxHandler: + """Return an instance of `CxxHandler`. + + Arguments: + theme: The theme to use when rendering contents. + custom_templates: Directory containing custom templates. + **_config: Configuration passed to the handler. + """ + return CxxHandler(theme=theme, custom_templates=custom_templates) diff --git a/thirdparty/fmt/support/manage.py b/thirdparty/fmt/support/release.py similarity index 69% rename from thirdparty/fmt/support/manage.py rename to thirdparty/fmt/support/release.py index 3467afb0f..26de7f4fd 100755 --- a/thirdparty/fmt/support/manage.py +++ b/thirdparty/fmt/support/release.py @@ -1,10 +1,9 @@ #!/usr/bin/env python3 -"""Manage site and releases. +"""Make a release. Usage: - manage.py release [] - manage.py site + release.py [] For the release command $FMT_TOKEN should contain a GitHub personal access token obtained from https://github.com/settings/tokens. @@ -12,9 +11,9 @@ from __future__ import print_function import datetime, docopt, errno, fileinput, json, os -import re, requests, shutil, sys -from contextlib import contextmanager +import re, shutil, sys from subprocess import check_call +import urllib.request class Git: @@ -81,46 +80,15 @@ class Env: return env -fmt_repo_url = 'git@github.com:fmtlib/fmt' - - -def update_site(env): - env.fmt_repo.update(fmt_repo_url) - - doc_repo = Git(os.path.join(env.build_dir, 'fmt.dev')) - doc_repo.update('git@github.com:fmtlib/fmt.dev') - - version = '11.0.0' - clean_checkout(env.fmt_repo, version) - target_doc_dir = os.path.join(env.fmt_repo.dir, 'doc') - - # Build the docs. - html_dir = os.path.join(env.build_dir, 'html') - if os.path.exists(html_dir): - shutil.rmtree(html_dir) - include_dir = env.fmt_repo.dir - import build - build.build_docs(version, doc_dir=target_doc_dir, - include_dir=include_dir, work_dir=env.build_dir) - shutil.rmtree(os.path.join(html_dir, '.doctrees')) - # Copy docs to the website. - version_doc_dir = os.path.join(doc_repo.dir, version) - try: - shutil.rmtree(version_doc_dir) - except OSError as e: - if e.errno != errno.ENOENT: - raise - shutil.move(html_dir, version_doc_dir) - - -def release(args): +if __name__ == '__main__': + args = docopt.docopt(__doc__) env = create_build_env() fmt_repo = env.fmt_repo branch = args.get('') if branch is None: branch = 'master' - if not fmt_repo.update('-b', branch, fmt_repo_url): + if not fmt_repo.update('-b', branch, 'git@github.com:fmtlib/fmt'): clean_checkout(fmt_repo, branch) # Update the date in the changelog and extract the version and the first @@ -191,28 +159,30 @@ def release(args): # Create a release on GitHub. fmt_repo.push('origin', 'release') auth_headers = {'Authorization': 'token ' + os.getenv('FMT_TOKEN')} - r = requests.post('https://api.github.com/repos/fmtlib/fmt/releases', - headers=auth_headers, - data=json.dumps({'tag_name': version, - 'target_commitish': 'release', - 'body': changes, 'draft': True})) - if r.status_code != 201: - raise Exception('Failed to create a release ' + str(r)) - id = r.json()['id'] + req = urllib.request.Request( + 'https://api.github.com/repos/fmtlib/fmt/releases', + data=json.dumps({'tag_name': version, + 'target_commitish': 'release', + 'body': changes, 'draft': True}).encode('utf-8'), + headers=auth_headers, method='POST') + with urllib.request.urlopen(req) as response: + if response.status != 201: + raise Exception(f'Failed to create a release ' + + '{response.status} {response.reason}') + response_data = json.loads(response.read().decode('utf-8')) + id = response_data['id'] + + # Upload the package. uploads_url = 'https://uploads.github.com/repos/fmtlib/fmt/releases' package = 'fmt-{}.zip'.format(version) - r = requests.post( - '{}/{}/assets?name={}'.format(uploads_url, id, package), + req = urllib.request.Request( + f'{uploads_url}/{id}/assets?name={package}', headers={'Content-Type': 'application/zip'} | auth_headers, - data=open('build/fmt/' + package, 'rb')) - if r.status_code != 201: - raise Exception('Failed to upload an asset ' + str(r)) - - update_site(env) - -if __name__ == '__main__': - args = docopt.docopt(__doc__) - if args.get('release'): - release(args) - elif args.get('site'): - update_site(create_build_env()) + data=open('build/fmt/' + package, 'rb').read(), method='POST') + with urllib.request.urlopen(req) as response: + if response.status != 201: + raise Exception(f'Failed to upload an asset ' + '{response.status} {response.reason}') + + short_version = '.'.join(version.split('.')[:-1]) + check_call(['./mkdocs', 'deploy', short_version])