From 5860c5c80bac473b1bf10e73e8bb98a92c6fc6db Mon Sep 17 00:00:00 2001 From: Ross Jacobs <10995145+pocc@users.noreply.github.com> Date: Mon, 20 Apr 2020 22:59:20 -0700 Subject: [PATCH] Fixes #179 (#180) --- .pre-commit-config.yaml | 5 + ixbots/ixbots/IXCobraBot.cpp | 33 +- ixbots/ixbots/IXCobraBot.h | 10 +- ixbots/ixbots/IXCobraToSentryBot.cpp | 5 +- ixbots/ixbots/IXCobraToSentryBot.h | 2 +- ixbots/ixbots/IXCobraToStatsdBot.cpp | 125 +- ixbots/ixbots/IXCobraToStatsdBot.h | 8 +- ixbots/ixbots/IXCobraToStdoutBot.cpp | 28 +- ixbots/ixbots/IXCobraToStdoutBot.h | 6 +- ixbots/ixbots/IXQueueManager.cpp | 5 +- ixbots/ixbots/IXQueueManager.h | 10 +- ixbots/ixbots/IXStatsdClient.cpp | 27 +- ixbots/ixbots/IXStatsdClient.h | 11 +- ixcobra/ixcobra/IXCobraConfig.h | 2 +- ixcobra/ixcobra/IXCobraConnection.cpp | 261 +- ixcobra/ixcobra/IXCobraConnection.h | 16 +- ixcobra/ixcobra/IXCobraEvent.h | 4 +- ixcobra/ixcobra/IXCobraMetricsPublisher.cpp | 24 +- ixcobra/ixcobra/IXCobraMetricsPublisher.h | 21 +- .../IXCobraMetricsThreadedPublisher.cpp | 125 +- .../ixcobra/IXCobraMetricsThreadedPublisher.h | 3 +- ixcore/ixcore/utils/IXCoreLogger.cpp | 14 +- ixcore/ixcore/utils/IXCoreLogger.h | 5 +- ixcrypto/ixcrypto/IXBase64.cpp | 46 +- ixcrypto/ixcrypto/IXHMac.cpp | 33 +- ixcrypto/ixcrypto/IXHash.cpp | 2 +- ixcrypto/ixcrypto/IXUuid.cpp | 20 +- ixsentry/ixsentry/IXSentryClient.cpp | 37 +- ixsentry/ixsentry/IXSentryClient.h | 22 +- ixsnake/ixsnake/IXAppConfig.h | 2 +- ixsnake/ixsnake/IXRedisClient.cpp | 14 +- ixsnake/ixsnake/IXRedisClient.h | 14 +- ixsnake/ixsnake/IXRedisServer.cpp | 61 +- ixsnake/ixsnake/IXRedisServer.h | 14 +- ixsnake/ixsnake/IXSnakeProtocol.cpp | 8 +- ixsnake/ixsnake/IXSnakeServer.cpp | 2 +- test/IXDNSLookupTest.cpp | 12 +- third_party/.clang-format | 6 +- .../include/spdlog/details/fmt_helper.h | 2 +- .../include/spdlog/fmt/bundled/chrono.h | 2110 +++--- .../spdlog/include/spdlog/fmt/bundled/color.h | 963 +-- .../include/spdlog/fmt/bundled/compile.h | 949 +-- .../spdlog/include/spdlog/fmt/bundled/core.h | 2245 ++++--- .../include/spdlog/fmt/bundled/format-inl.h | 2551 +++---- .../include/spdlog/fmt/bundled/format.h | 5946 ++++++++++------- .../include/spdlog/fmt/bundled/locale.h | 81 +- .../include/spdlog/fmt/bundled/ostream.h | 182 +- .../spdlog/include/spdlog/fmt/bundled/posix.h | 397 +- .../include/spdlog/fmt/bundled/printf.h | 1158 ++-- .../include/spdlog/fmt/bundled/ranges.h | 546 +- 50 files changed, 10078 insertions(+), 8095 deletions(-) diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml index 859ac3df..f2ec00de 100644 --- a/.pre-commit-config.yaml +++ b/.pre-commit-config.yaml @@ -5,3 +5,8 @@ repos: - id: check-yaml - id: end-of-file-fixer - id: trailing-whitespace +- repo: https://github.com/pocc/pre-commit-hooks + rev: master + hooks: + - id: clang-format + args: [-i, -style=file] diff --git a/ixbots/ixbots/IXCobraBot.cpp b/ixbots/ixbots/IXCobraBot.cpp index ffd8fdba..45bb1c89 100644 --- a/ixbots/ixbots/IXCobraBot.cpp +++ b/ixbots/ixbots/IXCobraBot.cpp @@ -5,8 +5,8 @@ */ #include "IXCobraBot.h" -#include "IXQueueManager.h" +#include "IXQueueManager.h" #include #include #include @@ -109,7 +109,6 @@ namespace ix auto sender = [this, &queueManager, verbose, &sentCount, &stop, &throttled, &fatalCobraError] { - while (true) { auto data = queueManager.pop(); @@ -119,7 +118,8 @@ namespace ix if (stop) break; if (msg.isNull()) continue; - if (_onBotMessageCallback && _onBotMessageCallback(msg, position, verbose, throttled, fatalCobraError)) + if (_onBotMessageCallback && + _onBotMessageCallback(msg, position, verbose, throttled, fatalCobraError)) { // That might be too noisy if (verbose) @@ -155,8 +155,7 @@ namespace ix &fatalCobraError, &useQueue, &queueManager, - &sentCount](const CobraEventPtr& event) - { + &sentCount](const CobraEventPtr& event) { if (event->type == ix::CobraEventType::Open) { spdlog::info("Subscriber connected"); @@ -178,11 +177,21 @@ namespace ix conn.subscribe(channel, filter, subscriptionPosition, - [this, &jsonWriter, verbose, &throttled, &receivedCount, &queueManager, &useQueue, &subscriptionPosition, &fatalCobraError, &sentCount]( - const Json::Value& msg, const std::string& position) { + [this, + &jsonWriter, + verbose, + &throttled, + &receivedCount, + &queueManager, + &useQueue, + &subscriptionPosition, + &fatalCobraError, + &sentCount](const Json::Value& msg, const std::string& position) { if (verbose) { - spdlog::info("Subscriber received message {} -> {}", position, jsonWriter.write(msg)); + spdlog::info("Subscriber received message {} -> {}", + position, + jsonWriter.write(msg)); } subscriptionPosition = position; @@ -201,7 +210,9 @@ namespace ix } else { - if (_onBotMessageCallback && _onBotMessageCallback(msg, position, verbose, throttled, fatalCobraError)) + if (_onBotMessageCallback && + _onBotMessageCallback( + msg, position, verbose, throttled, fatalCobraError)) { // That might be too noisy if (verbose) @@ -268,7 +279,7 @@ namespace ix // Run for a duration, used by unittesting now else { - for (int i = 0 ; i < runtime; ++i) + for (int i = 0; i < runtime; ++i) { auto duration = std::chrono::seconds(1); std::this_thread::sleep_for(duration); @@ -300,4 +311,4 @@ namespace ix { _onBotMessageCallback = callback; } -} +} // namespace ix diff --git a/ixbots/ixbots/IXCobraBot.h b/ixbots/ixbots/IXCobraBot.h index 5001b2b1..be98e606 100644 --- a/ixbots/ixbots/IXCobraBot.h +++ b/ixbots/ixbots/IXCobraBot.h @@ -6,11 +6,11 @@ #pragma once -#include -#include -#include -#include #include +#include +#include +#include +#include namespace ix { @@ -40,4 +40,4 @@ namespace ix private: OnBotMessageCallback _onBotMessageCallback; }; -} +} // namespace ix diff --git a/ixbots/ixbots/IXCobraToSentryBot.cpp b/ixbots/ixbots/IXCobraToSentryBot.cpp index 66a707da..9247a63d 100644 --- a/ixbots/ixbots/IXCobraToSentryBot.cpp +++ b/ixbots/ixbots/IXCobraToSentryBot.cpp @@ -5,9 +5,9 @@ */ #include "IXCobraToSentryBot.h" + #include "IXCobraBot.h" #include "IXQueueManager.h" - #include #include #include @@ -31,7 +31,8 @@ namespace ix const std::string& /*position*/, const bool verbose, std::atomic& throttled, - std::atomic& /*fatalCobraError*/) -> bool { + std::atomic & + /*fatalCobraError*/) -> bool { auto ret = sentryClient.send(msg, verbose); HttpResponsePtr response = ret.first; diff --git a/ixbots/ixbots/IXCobraToSentryBot.h b/ixbots/ixbots/IXCobraToSentryBot.h index d582bd3e..0f37cae4 100644 --- a/ixbots/ixbots/IXCobraToSentryBot.h +++ b/ixbots/ixbots/IXCobraToSentryBot.h @@ -5,10 +5,10 @@ */ #pragma once +#include #include #include #include -#include namespace ix { diff --git a/ixbots/ixbots/IXCobraToStatsdBot.cpp b/ixbots/ixbots/IXCobraToStatsdBot.cpp index e320d077..d6c0a5dc 100644 --- a/ixbots/ixbots/IXCobraToStatsdBot.cpp +++ b/ixbots/ixbots/IXCobraToStatsdBot.cpp @@ -5,10 +5,10 @@ */ #include "IXCobraToStatsdBot.h" + +#include "IXCobraBot.h" #include "IXQueueManager.h" #include "IXStatsdClient.h" -#include "IXCobraBot.h" - #include #include #include @@ -74,73 +74,74 @@ namespace ix auto tokens = parseFields(fields); CobraBot bot; - bot.setOnBotMessageCallback([&statsdClient, &tokens, &gauge, &timer](const Json::Value& msg, - const std::string& /*position*/, - const bool verbose, - std::atomic& /*throttled*/, - std::atomic& fatalCobraError) -> bool { - std::string id; - for (auto&& attr : tokens) - { - id += "."; - auto val = extractAttr(attr, msg); - id += val.asString(); - } + bot.setOnBotMessageCallback( + [&statsdClient, &tokens, &gauge, &timer](const Json::Value& msg, + const std::string& /*position*/, + const bool verbose, + std::atomic& /*throttled*/, + std::atomic& fatalCobraError) -> bool { + std::string id; + for (auto&& attr : tokens) + { + id += "."; + auto val = extractAttr(attr, msg); + id += val.asString(); + } - if (gauge.empty() && timer.empty()) - { - statsdClient.count(id, 1); - } - else - { - std::string attrName = (!gauge.empty()) ? gauge : timer; - auto val = extractAttr(attrName, msg); - size_t x; - - if (val.isInt()) + if (gauge.empty() && timer.empty()) { - x = (size_t) val.asInt(); - } - else if (val.isInt64()) - { - x = (size_t) val.asInt64(); - } - else if (val.isUInt()) - { - x = (size_t) val.asUInt(); - } - else if (val.isUInt64()) - { - x = (size_t) val.asUInt64(); - } - else if (val.isDouble()) - { - x = (size_t) val.asUInt64(); + statsdClient.count(id, 1); } else { - spdlog::error("Gauge {} is not a numeric type", gauge); - fatalCobraError = true; - return false; + std::string attrName = (!gauge.empty()) ? gauge : timer; + auto val = extractAttr(attrName, msg); + size_t x; + + if (val.isInt()) + { + x = (size_t) val.asInt(); + } + else if (val.isInt64()) + { + x = (size_t) val.asInt64(); + } + else if (val.isUInt()) + { + x = (size_t) val.asUInt(); + } + else if (val.isUInt64()) + { + x = (size_t) val.asUInt64(); + } + else if (val.isDouble()) + { + x = (size_t) val.asUInt64(); + } + else + { + spdlog::error("Gauge {} is not a numeric type", gauge); + fatalCobraError = true; + return false; + } + + if (verbose) + { + spdlog::info("{} - {} -> {}", id, attrName, x); + } + + if (!gauge.empty()) + { + statsdClient.gauge(id, x); + } + else + { + statsdClient.timing(id, x); + } } - if (verbose) - { - spdlog::info("{} - {} -> {}", id, attrName, x); - } - - if (!gauge.empty()) - { - statsdClient.gauge(id, x); - } - else - { - statsdClient.timing(id, x); - } - } - - return true; - }); + return true; + }); bool useQueue = true; diff --git a/ixbots/ixbots/IXCobraToStatsdBot.h b/ixbots/ixbots/IXCobraToStatsdBot.h index 44a68873..5bd774ee 100644 --- a/ixbots/ixbots/IXCobraToStatsdBot.h +++ b/ixbots/ixbots/IXCobraToStatsdBot.h @@ -5,11 +5,11 @@ */ #pragma once -#include -#include -#include -#include #include +#include +#include +#include +#include namespace ix { diff --git a/ixbots/ixbots/IXCobraToStdoutBot.cpp b/ixbots/ixbots/IXCobraToStdoutBot.cpp index 67941ff3..0c0635a3 100644 --- a/ixbots/ixbots/IXCobraToStdoutBot.cpp +++ b/ixbots/ixbots/IXCobraToStdoutBot.cpp @@ -5,13 +5,13 @@ */ #include "IXCobraToStdoutBot.h" + #include "IXCobraBot.h" #include "IXQueueManager.h" - #include +#include #include #include -#include namespace ix { @@ -79,17 +79,19 @@ namespace ix CobraBot bot; auto jsonWriter = makeStreamWriter(); - bot.setOnBotMessageCallback([&fluentd, &quiet, &jsonWriter](const Json::Value& msg, - const std::string& position, - const bool /*verbose*/, - std::atomic& /*throttled*/, - std::atomic& /*fatalCobraError*/) -> bool { - if (!quiet) - { - writeToStdout(fluentd, jsonWriter, msg, position); - } - return true; - }); + bot.setOnBotMessageCallback( + [&fluentd, &quiet, &jsonWriter](const Json::Value& msg, + const std::string& position, + const bool /*verbose*/, + std::atomic& /*throttled*/, + std::atomic & + /*fatalCobraError*/) -> bool { + if (!quiet) + { + writeToStdout(fluentd, jsonWriter, msg, position); + } + return true; + }); bool useQueue = false; diff --git a/ixbots/ixbots/IXCobraToStdoutBot.h b/ixbots/ixbots/IXCobraToStdoutBot.h index 2a4df1fd..39181417 100644 --- a/ixbots/ixbots/IXCobraToStdoutBot.h +++ b/ixbots/ixbots/IXCobraToStdoutBot.h @@ -5,10 +5,10 @@ */ #pragma once -#include -#include -#include #include +#include +#include +#include namespace ix { diff --git a/ixbots/ixbots/IXQueueManager.cpp b/ixbots/ixbots/IXQueueManager.cpp index c273607e..383ea08e 100644 --- a/ixbots/ixbots/IXQueueManager.cpp +++ b/ixbots/ixbots/IXQueueManager.cpp @@ -5,8 +5,9 @@ */ #include "IXQueueManager.h" -#include + #include +#include namespace ix { @@ -63,4 +64,4 @@ namespace ix _condition.notify_one(); } } -} +} // namespace ix diff --git a/ixbots/ixbots/IXQueueManager.h b/ixbots/ixbots/IXQueueManager.h index 5a8e4aa8..64d99619 100644 --- a/ixbots/ixbots/IXQueueManager.h +++ b/ixbots/ixbots/IXQueueManager.h @@ -6,12 +6,12 @@ #pragma once -#include -#include -#include #include -#include +#include #include +#include +#include +#include namespace ix { @@ -32,4 +32,4 @@ namespace ix std::condition_variable _condition; size_t _maxQueueSize; }; -} +} // namespace ix diff --git a/ixbots/ixbots/IXStatsdClient.cpp b/ixbots/ixbots/IXStatsdClient.cpp index 7b565699..762624fb 100644 --- a/ixbots/ixbots/IXStatsdClient.cpp +++ b/ixbots/ixbots/IXStatsdClient.cpp @@ -39,24 +39,21 @@ #include "IXStatsdClient.h" +#include #include +#include #include #include -#include -#include namespace ix { - StatsdClient::StatsdClient(const std::string& host, - int port, - const std::string& prefix) - : _host(host) - , _port(port) - , _prefix(prefix) - , _stop(false) + StatsdClient::StatsdClient(const std::string& host, int port, const std::string& prefix) + : _host(host) + , _port(port) + , _prefix(prefix) + , _stop(false) { - _thread = std::thread([this] - { + _thread = std::thread([this] { while (!_stop) { flushQueue(); @@ -119,8 +116,8 @@ namespace ix cleanup(key); char buf[256]; - snprintf(buf, sizeof(buf), "%s%s:%zd|%s\n", - _prefix.c_str(), key.c_str(), value, type.c_str()); + snprintf( + buf, sizeof(buf), "%s%s:%zd|%s\n", _prefix.c_str(), key.c_str(), value, type.c_str()); enqueue(buf); return 0; @@ -142,9 +139,7 @@ namespace ix auto ret = _socket.sendto(message); if (ret != 0) { - std::cerr << "error: " - << strerror(UdpSocket::getErrno()) - << std::endl; + std::cerr << "error: " << strerror(UdpSocket::getErrno()) << std::endl; } _queue.pop_front(); } diff --git a/ixbots/ixbots/IXStatsdClient.h b/ixbots/ixbots/IXStatsdClient.h index 5daada01..9e61bd18 100644 --- a/ixbots/ixbots/IXStatsdClient.h +++ b/ixbots/ixbots/IXStatsdClient.h @@ -6,21 +6,20 @@ #pragma once +#include +#include #include - +#include #include #include -#include -#include -#include namespace ix { class StatsdClient { public: - StatsdClient(const std::string& host="127.0.0.1", - int port=8125, + StatsdClient(const std::string& host = "127.0.0.1", + int port = 8125, const std::string& prefix = ""); ~StatsdClient(); diff --git a/ixcobra/ixcobra/IXCobraConfig.h b/ixcobra/ixcobra/IXCobraConfig.h index b858abdc..26b85e41 100644 --- a/ixcobra/ixcobra/IXCobraConfig.h +++ b/ixcobra/ixcobra/IXCobraConfig.h @@ -6,8 +6,8 @@ #pragma once -#include #include +#include namespace ix { diff --git a/ixcobra/ixcobra/IXCobraConnection.cpp b/ixcobra/ixcobra/IXCobraConnection.cpp index f4843687..2b8240e3 100644 --- a/ixcobra/ixcobra/IXCobraConnection.cpp +++ b/ixcobra/ixcobra/IXCobraConnection.cpp @@ -5,17 +5,17 @@ */ #include "IXCobraConnection.h" -#include -#include -#include #include -#include -#include #include +#include #include #include +#include +#include +#include #include +#include namespace ix @@ -26,12 +26,12 @@ namespace ix constexpr CobraConnection::MsgId CobraConnection::kInvalidMsgId; constexpr int CobraConnection::kPingIntervalSecs; - CobraConnection::CobraConnection() : - _webSocket(new WebSocket()), - _publishMode(CobraConnection_PublishMode_Immediate), - _authenticated(false), - _eventCallback(nullptr), - _id(1) + CobraConnection::CobraConnection() + : _webSocket(new WebSocket()) + , _publishMode(CobraConnection_PublishMode_Immediate) + , _authenticated(false) + , _eventCallback(nullptr) + , _id(1) { _pdu["action"] = "rtm/publish"; @@ -97,11 +97,7 @@ namespace ix if (_eventCallback) { _eventCallback( - std::make_unique(eventType, - errorMsg, - headers, - subscriptionId, - msgId)); + std::make_unique(eventType, errorMsg, headers, subscriptionId, msgId)); } } @@ -121,126 +117,119 @@ namespace ix void CobraConnection::initWebSocketOnMessageCallback() { - _webSocket->setOnMessageCallback( - [this](const ix::WebSocketMessagePtr& msg) + _webSocket->setOnMessageCallback([this](const ix::WebSocketMessagePtr& msg) { + CobraConnection::invokeTrafficTrackerCallback(msg->wireSize, true); + + std::stringstream ss; + if (msg->type == ix::WebSocketMessageType::Open) { - CobraConnection::invokeTrafficTrackerCallback(msg->wireSize, true); + invokeEventCallback(ix::CobraEventType::Open, std::string(), msg->openInfo.headers); + sendHandshakeMessage(); + } + else if (msg->type == ix::WebSocketMessageType::Close) + { + _authenticated = false; std::stringstream ss; - if (msg->type == ix::WebSocketMessageType::Open) + ss << "Close code " << msg->closeInfo.code; + ss << " reason " << msg->closeInfo.reason; + invokeEventCallback(ix::CobraEventType::Closed, ss.str()); + } + else if (msg->type == ix::WebSocketMessageType::Message) + { + Json::Value data; + Json::Reader reader; + if (!reader.parse(msg->str, data)) { - invokeEventCallback(ix::CobraEventType::Open, - std::string(), - msg->openInfo.headers); - sendHandshakeMessage(); + invokeErrorCallback("Invalid json", msg->str); + return; } - else if (msg->type == ix::WebSocketMessageType::Close) - { - _authenticated = false; - std::stringstream ss; - ss << "Close code " << msg->closeInfo.code; - ss << " reason " << msg->closeInfo.reason; - invokeEventCallback(ix::CobraEventType::Closed, - ss.str()); + if (!data.isMember("action")) + { + invokeErrorCallback("Missing action", msg->str); + return; } - else if (msg->type == ix::WebSocketMessageType::Message) + + auto action = data["action"].asString(); + + if (action == "auth/handshake/ok") { - Json::Value data; - Json::Reader reader; - if (!reader.parse(msg->str, data)) + if (!handleHandshakeResponse(data)) { - invokeErrorCallback("Invalid json", msg->str); - return; - } - - if (!data.isMember("action")) - { - invokeErrorCallback("Missing action", msg->str); - return; - } - - auto action = data["action"].asString(); - - if (action == "auth/handshake/ok") - { - if (!handleHandshakeResponse(data)) - { - invokeErrorCallback("Error extracting nonce from handshake response", msg->str); - } - } - else if (action == "auth/handshake/error") - { - invokeEventCallback(ix::CobraEventType::HandshakeError, + invokeErrorCallback("Error extracting nonce from handshake response", msg->str); } - else if (action == "auth/authenticate/ok") - { - _authenticated = true; - invokeEventCallback(ix::CobraEventType::Authenticated); - flushQueue(); - } - else if (action == "auth/authenticate/error") - { - invokeEventCallback(ix::CobraEventType::AuthenticationError, - msg->str); - } - else if (action == "rtm/subscription/data") - { - handleSubscriptionData(data); - } - else if (action == "rtm/subscribe/ok") - { - if (!handleSubscriptionResponse(data)) - { - invokeErrorCallback("Error processing subscribe response", msg->str); - } - } - else if (action == "rtm/subscribe/error") - { - invokeEventCallback(ix::CobraEventType::SubscriptionError, - msg->str); - } - else if (action == "rtm/unsubscribe/ok") - { - if (!handleUnsubscriptionResponse(data)) - { - invokeErrorCallback("Error processing unsubscribe response", msg->str); - } - } - else if (action == "rtm/unsubscribe/error") - { - invokeErrorCallback("Unsubscription error", msg->str); - } - else if (action == "rtm/publish/ok") - { - if (!handlePublishResponse(data)) - { - invokeErrorCallback("Error processing publish response", msg->str); - } - } - else if (action == "rtm/publish/error") - { - invokeErrorCallback("Publish error", msg->str); - } - else - { - invokeErrorCallback("Un-handled message type", msg->str); - } } - else if (msg->type == ix::WebSocketMessageType::Error) + else if (action == "auth/handshake/error") { - std::stringstream ss; - ss << "Connection error: " << msg->errorInfo.reason << std::endl; - ss << "#retries: " << msg->errorInfo.retries << std::endl; - ss << "Wait time(ms): " << msg->errorInfo.wait_time << std::endl; - ss << "HTTP Status: " << msg->errorInfo.http_status << std::endl; - invokeErrorCallback(ss.str(), std::string()); + invokeEventCallback(ix::CobraEventType::HandshakeError, msg->str); } - else if (msg->type == ix::WebSocketMessageType::Pong) + else if (action == "auth/authenticate/ok") { - invokeEventCallback(ix::CobraEventType::Pong, msg->str); + _authenticated = true; + invokeEventCallback(ix::CobraEventType::Authenticated); + flushQueue(); } + else if (action == "auth/authenticate/error") + { + invokeEventCallback(ix::CobraEventType::AuthenticationError, msg->str); + } + else if (action == "rtm/subscription/data") + { + handleSubscriptionData(data); + } + else if (action == "rtm/subscribe/ok") + { + if (!handleSubscriptionResponse(data)) + { + invokeErrorCallback("Error processing subscribe response", msg->str); + } + } + else if (action == "rtm/subscribe/error") + { + invokeEventCallback(ix::CobraEventType::SubscriptionError, msg->str); + } + else if (action == "rtm/unsubscribe/ok") + { + if (!handleUnsubscriptionResponse(data)) + { + invokeErrorCallback("Error processing unsubscribe response", msg->str); + } + } + else if (action == "rtm/unsubscribe/error") + { + invokeErrorCallback("Unsubscription error", msg->str); + } + else if (action == "rtm/publish/ok") + { + if (!handlePublishResponse(data)) + { + invokeErrorCallback("Error processing publish response", msg->str); + } + } + else if (action == "rtm/publish/error") + { + invokeErrorCallback("Publish error", msg->str); + } + else + { + invokeErrorCallback("Un-handled message type", msg->str); + } + } + else if (msg->type == ix::WebSocketMessageType::Error) + { + std::stringstream ss; + ss << "Connection error: " << msg->errorInfo.reason << std::endl; + ss << "#retries: " << msg->errorInfo.retries << std::endl; + ss << "Wait time(ms): " << msg->errorInfo.wait_time << std::endl; + ss << "HTTP Status: " << msg->errorInfo.http_status << std::endl; + invokeErrorCallback(ss.str(), std::string()); + } + else if (msg->type == ix::WebSocketMessageType::Pong) + { + invokeEventCallback(ix::CobraEventType::Pong, msg->str); + } }); } @@ -254,12 +243,13 @@ namespace ix return _publishMode; } - void CobraConnection::configure(const std::string& appkey, - const std::string& endpoint, - const std::string& rolename, - const std::string& rolesecret, - const WebSocketPerMessageDeflateOptions& webSocketPerMessageDeflateOptions, - const SocketTLSOptions& socketTLSOptions) + void CobraConnection::configure( + const std::string& appkey, + const std::string& endpoint, + const std::string& rolename, + const std::string& rolesecret, + const WebSocketPerMessageDeflateOptions& webSocketPerMessageDeflateOptions, + const SocketTLSOptions& socketTLSOptions) { _roleName = rolename; _roleSecret = rolesecret; @@ -402,7 +392,8 @@ namespace ix if (!subscriptionId.isString()) return false; invokeEventCallback(ix::CobraEventType::Subscribed, - std::string(), WebSocketHttpHeaders(), + std::string(), + WebSocketHttpHeaders(), subscriptionId.asString()); return true; } @@ -420,7 +411,8 @@ namespace ix if (!subscriptionId.isString()) return false; invokeEventCallback(ix::CobraEventType::UnSubscribed, - std::string(), WebSocketHttpHeaders(), + std::string(), + WebSocketHttpHeaders(), subscriptionId.asString()); return true; } @@ -468,8 +460,10 @@ namespace ix uint64_t msgId = id.asUInt64(); invokeEventCallback(ix::CobraEventType::Published, - std::string(), WebSocketHttpHeaders(), - std::string(), msgId); + std::string(), + WebSocketHttpHeaders(), + std::string(), + msgId); invokePublishTrackerCallback(false, true); @@ -499,9 +493,7 @@ namespace ix } std::pair CobraConnection::prePublish( - const Json::Value& channels, - const Json::Value& msg, - bool addToQueue) + const Json::Value& channels, const Json::Value& msg, bool addToQueue) { std::lock_guard lock(_prePublishMutex); @@ -667,8 +659,7 @@ namespace ix bool CobraConnection::publishMessage(const std::string& serializedJson) { auto webSocketSendInfo = _webSocket->send(serializedJson); - CobraConnection::invokeTrafficTrackerCallback(webSocketSendInfo.wireSize, - false); + CobraConnection::invokeTrafficTrackerCallback(webSocketSendInfo.wireSize, false); return webSocketSendInfo.success; } diff --git a/ixcobra/ixcobra/IXCobraConnection.h b/ixcobra/ixcobra/IXCobraConnection.h index eacfd720..50dbb08e 100644 --- a/ixcobra/ixcobra/IXCobraConnection.h +++ b/ixcobra/ixcobra/IXCobraConnection.h @@ -6,20 +6,19 @@ #pragma once +#include "IXCobraConfig.h" +#include "IXCobraEvent.h" +#include "IXCobraEventType.h" #include #include -#include "IXCobraEventType.h" -#include "IXCobraEvent.h" #include +#include #include #include #include #include #include #include -#include - -#include "IXCobraConfig.h" #ifdef max #undef max @@ -121,10 +120,9 @@ namespace ix /// Prepare a message for transmission /// (update the pdu, compute a msgId, serialize json to a string) - std::pair prePublish( - const Json::Value& channels, - const Json::Value& msg, - bool addToQueue); + std::pair prePublish(const Json::Value& channels, + const Json::Value& msg, + bool addToQueue); /// Attempt to send next message from the internal queue bool publishNext(); diff --git a/ixcobra/ixcobra/IXCobraEvent.h b/ixcobra/ixcobra/IXCobraEvent.h index fd2c9fa6..9227d743 100644 --- a/ixcobra/ixcobra/IXCobraEvent.h +++ b/ixcobra/ixcobra/IXCobraEvent.h @@ -7,10 +7,10 @@ #pragma once #include "IXCobraEventType.h" +#include #include #include #include -#include namespace ix { @@ -38,4 +38,4 @@ namespace ix }; using CobraEventPtr = std::unique_ptr; -} +} // namespace ix diff --git a/ixcobra/ixcobra/IXCobraMetricsPublisher.cpp b/ixcobra/ixcobra/IXCobraMetricsPublisher.cpp index a0cb6679..81429af9 100644 --- a/ixcobra/ixcobra/IXCobraMetricsPublisher.cpp +++ b/ixcobra/ixcobra/IXCobraMetricsPublisher.cpp @@ -5,9 +5,9 @@ */ #include "IXCobraMetricsPublisher.h" -#include #include +#include #include @@ -17,8 +17,8 @@ namespace ix const std::string CobraMetricsPublisher::kSetRateControlId = "sms_set_rate_control_id"; const std::string CobraMetricsPublisher::kSetBlacklistId = "sms_set_blacklist_id"; - CobraMetricsPublisher::CobraMetricsPublisher() : - _enabled(true) + CobraMetricsPublisher::CobraMetricsPublisher() + : _enabled(true) { } @@ -27,8 +27,7 @@ namespace ix ; } - void CobraMetricsPublisher::configure(const CobraConfig& config, - const std::string& channel) + void CobraMetricsPublisher::configure(const CobraConfig& config, const std::string& channel) { // Configure the satori connection and start its publish background thread _cobra_metrics_theaded_publisher.configure(config, channel); @@ -42,7 +41,7 @@ namespace ix } void CobraMetricsPublisher::setGenericAttributes(const std::string& attrName, - const Json::Value& value) + const Json::Value& value) { std::lock_guard lock(_device_mutex); _device[attrName] = value; @@ -107,8 +106,7 @@ namespace ix auto last_update = _last_update.find(id); if (last_update == _last_update.end()) return false; - auto timeDeltaFromLastSend = - std::chrono::steady_clock::now() - last_update->second; + auto timeDeltaFromLastSend = std::chrono::steady_clock::now() - last_update->second; return timeDeltaFromLastSend < std::chrono::seconds(rate_control_it->second); } @@ -123,8 +121,7 @@ namespace ix { auto now = std::chrono::system_clock::now(); auto ms = - std::chrono::duration_cast( - now.time_since_epoch()).count(); + std::chrono::duration_cast(now.time_since_epoch()).count(); return ms; } @@ -165,10 +162,9 @@ namespace ix return true; } - CobraConnection::MsgId CobraMetricsPublisher::push( - const std::string& id, - const Json::Value& data, - bool shouldPushTest) + CobraConnection::MsgId CobraMetricsPublisher::push(const std::string& id, + const Json::Value& data, + bool shouldPushTest) { if (shouldPushTest && !shouldPush(id)) return CobraConnection::kInvalidMsgId; diff --git a/ixcobra/ixcobra/IXCobraMetricsPublisher.h b/ixcobra/ixcobra/IXCobraMetricsPublisher.h index 059ddc15..76d7760b 100644 --- a/ixcobra/ixcobra/IXCobraMetricsPublisher.h +++ b/ixcobra/ixcobra/IXCobraMetricsPublisher.h @@ -40,8 +40,7 @@ namespace ix /// Configuration / set keys, etc... /// All input data but the channel name is encrypted with rc4 - void configure(const CobraConfig& config, - const std::string& channel); + void configure(const CobraConfig& config, const std::string& channel); /// Setter for the list of blacklisted metrics ids. /// That list is sorted internally for fast lookups @@ -68,10 +67,14 @@ namespace ix /// shouldPush method for places where we want to be as lightweight as possible when /// collecting metrics. When set to false, it is used so that we don't do double work when /// computing whether a metrics should be sent or not. - CobraConnection::MsgId push(const std::string& id, const Json::Value& data, bool shouldPushTest = true); + CobraConnection::MsgId push(const std::string& id, + const Json::Value& data, + bool shouldPushTest = true); /// Interface used by lua. msg is a json encoded string. - CobraConnection::MsgId push(const std::string& id, const std::string& data, bool shouldPushTest = true); + CobraConnection::MsgId push(const std::string& id, + const std::string& data, + bool shouldPushTest = true); /// Tells whether a metric can be pushed. /// A metric can be pushed if it satisfies those conditions: @@ -89,10 +92,16 @@ namespace ix void setGenericAttributes(const std::string& attrName, const Json::Value& value); /// Set a unique id for the session. A uuid can be used. - void setSession(const std::string& session) { _session = session; } + void setSession(const std::string& session) + { + _session = session; + } /// Get the unique id used to identify the current session - const std::string& getSession() const { return _session; } + const std::string& getSession() const + { + return _session; + } /// Return the number of milliseconds since the epoch (~1970) uint64_t getMillisecondsSinceEpoch() const; diff --git a/ixcobra/ixcobra/IXCobraMetricsThreadedPublisher.cpp b/ixcobra/ixcobra/IXCobraMetricsThreadedPublisher.cpp index 99867813..6b79a46f 100644 --- a/ixcobra/ixcobra/IXCobraMetricsThreadedPublisher.cpp +++ b/ixcobra/ixcobra/IXCobraMetricsThreadedPublisher.cpp @@ -5,78 +5,77 @@ */ #include "IXCobraMetricsThreadedPublisher.h" -#include -#include -#include #include -#include -#include #include +#include #include +#include +#include +#include #include +#include namespace ix { - CobraMetricsThreadedPublisher::CobraMetricsThreadedPublisher() : - _stop(false) + CobraMetricsThreadedPublisher::CobraMetricsThreadedPublisher() + : _stop(false) { - _cobra_connection.setEventCallback([](const CobraEventPtr& event) + _cobra_connection.setEventCallback([](const CobraEventPtr& event) { + std::stringstream ss; + + if (event->type == ix::CobraEventType::Open) { - std::stringstream ss; + ss << "Handshake headers" << std::endl; - if (event->type == ix::CobraEventType::Open) + for (auto&& it : event->headers) { - ss << "Handshake headers" << std::endl; + ss << it.first << ": " << it.second << std::endl; + } + } + else if (event->type == ix::CobraEventType::Authenticated) + { + ss << "Authenticated"; + } + else if (event->type == ix::CobraEventType::Error) + { + ss << "Error: " << event->errMsg; + } + else if (event->type == ix::CobraEventType::Closed) + { + ss << "Connection closed: " << event->errMsg; + } + else if (event->type == ix::CobraEventType::Subscribed) + { + ss << "Subscribed through subscription id: " << event->subscriptionId; + } + else if (event->type == ix::CobraEventType::UnSubscribed) + { + ss << "Unsubscribed through subscription id: " << event->subscriptionId; + } + else if (event->type == ix::CobraEventType::Published) + { + ss << "Published message " << event->msgId << " acked"; + } + else if (event->type == ix::CobraEventType::Pong) + { + ss << "Received websocket pong"; + } + else if (event->type == ix::CobraEventType::HandshakeError) + { + ss << "Handshake error: " << event->errMsg; + } + else if (event->type == ix::CobraEventType::AuthenticationError) + { + ss << "Authentication error: " << event->errMsg; + } + else if (event->type == ix::CobraEventType::SubscriptionError) + { + ss << "Subscription error: " << event->errMsg; + } - for (auto&& it : event->headers) - { - ss << it.first << ": " << it.second << std::endl; - } - } - else if (event->type == ix::CobraEventType::Authenticated) - { - ss << "Authenticated"; - } - else if (event->type == ix::CobraEventType::Error) - { - ss << "Error: " << event->errMsg; - } - else if (event->type == ix::CobraEventType::Closed) - { - ss << "Connection closed: " << event->errMsg; - } - else if (event->type == ix::CobraEventType::Subscribed) - { - ss << "Subscribed through subscription id: " << event->subscriptionId; - } - else if (event->type == ix::CobraEventType::UnSubscribed) - { - ss << "Unsubscribed through subscription id: " << event->subscriptionId; - } - else if (event->type == ix::CobraEventType::Published) - { - ss << "Published message " << event->msgId << " acked"; - } - else if (event->type == ix::CobraEventType::Pong) - { - ss << "Received websocket pong"; - } - else if (event->type == ix::CobraEventType::HandshakeError) - { - ss << "Handshake error: " << event->errMsg; - } - else if (event->type == ix::CobraEventType::AuthenticationError) - { - ss << "Authentication error: " << event->errMsg; - } - else if (event->type == ix::CobraEventType::SubscriptionError) - { - ss << "Subscription error: " << event->errMsg; - } - - ix::IXCoreLogger::Log(ss.str().c_str()); + ix::IXCoreLogger::Log(ss.str().c_str()); }); } @@ -105,7 +104,6 @@ namespace ix _channel = channel; _cobra_connection.configure(config); - } void CobraMetricsThreadedPublisher::pushMessage(MessageKind messageKind) @@ -163,13 +161,15 @@ namespace ix { _cobra_connection.suspend(); continue; - }; break; + }; + break; case MessageKind::Resume: { _cobra_connection.resume(); continue; - }; break; + }; + break; case MessageKind::Message: { @@ -177,7 +177,8 @@ namespace ix { _cobra_connection.publishNext(); } - }; break; + }; + break; } } } diff --git a/ixcobra/ixcobra/IXCobraMetricsThreadedPublisher.h b/ixcobra/ixcobra/IXCobraMetricsThreadedPublisher.h index a12d7b62..10c50415 100644 --- a/ixcobra/ixcobra/IXCobraMetricsThreadedPublisher.h +++ b/ixcobra/ixcobra/IXCobraMetricsThreadedPublisher.h @@ -27,8 +27,7 @@ namespace ix ~CobraMetricsThreadedPublisher(); /// Configuration / set keys, etc... - void configure(const CobraConfig& config, - const std::string& channel); + void configure(const CobraConfig& config, const std::string& channel); /// Start the worker thread, used for background publishing void start(); diff --git a/ixcore/ixcore/utils/IXCoreLogger.cpp b/ixcore/ixcore/utils/IXCoreLogger.cpp index 4aeebdc7..2463dbde 100644 --- a/ixcore/ixcore/utils/IXCoreLogger.cpp +++ b/ixcore/ixcore/utils/IXCoreLogger.cpp @@ -3,12 +3,12 @@ namespace ix { -// Default do nothing logger -IXCoreLogger::LogFunc IXCoreLogger::_currentLogger = [](const char* /*msg*/){}; + // Default do nothing logger + IXCoreLogger::LogFunc IXCoreLogger::_currentLogger = [](const char* /*msg*/) {}; -void IXCoreLogger::Log(const char* msg) -{ - _currentLogger(msg); -} + void IXCoreLogger::Log(const char* msg) + { + _currentLogger(msg); + } -} // ix +} // namespace ix diff --git a/ixcore/ixcore/utils/IXCoreLogger.h b/ixcore/ixcore/utils/IXCoreLogger.h index 2df0bda9..e140dfc3 100644 --- a/ixcore/ixcore/utils/IXCoreLogger.h +++ b/ixcore/ixcore/utils/IXCoreLogger.h @@ -9,7 +9,10 @@ namespace ix using LogFunc = std::function; static void Log(const char* msg); - static void setLogFunction(LogFunc& func) { _currentLogger = func; } + static void setLogFunction(LogFunc& func) + { + _currentLogger = func; + } private: static LogFunc _currentLogger; diff --git a/ixcrypto/ixcrypto/IXBase64.cpp b/ixcrypto/ixcrypto/IXBase64.cpp index a2b4001b..3248f497 100644 --- a/ixcrypto/ixcrypto/IXBase64.cpp +++ b/ixcrypto/ixcrypto/IXBase64.cpp @@ -29,10 +29,9 @@ namespace ix { - static const std::string base64_chars = - "ABCDEFGHIJKLMNOPQRSTUVWXYZ" - "abcdefghijklmnopqrstuvwxyz" - "0123456789+/"; + static const std::string base64_chars = "ABCDEFGHIJKLMNOPQRSTUVWXYZ" + "abcdefghijklmnopqrstuvwxyz" + "0123456789+/"; std::string base64_encode(const std::string& data, size_t len) { @@ -50,26 +49,26 @@ namespace ix unsigned char char_array_3[3]; unsigned char char_array_4[4]; - while(len--) + while (len--) { char_array_3[i++] = *(bytes_to_encode++); - if(i == 3) + if (i == 3) { char_array_4[0] = (char_array_3[0] & 0xfc) >> 2; char_array_4[1] = ((char_array_3[0] & 0x03) << 4) + ((char_array_3[1] & 0xf0) >> 4); char_array_4[2] = ((char_array_3[1] & 0x0f) << 2) + ((char_array_3[2] & 0xc0) >> 6); char_array_4[3] = char_array_3[2] & 0x3f; - for(i = 0; (i <4) ; i++) + for (i = 0; (i < 4); i++) ret += base64_chars[char_array_4[i]]; i = 0; } } - if(i) + if (i) { - for(j = i; j < 3; j++) + for (j = i; j < 3; j++) char_array_3[j] = '\0'; char_array_4[0] = (char_array_3[0] & 0xfc) >> 2; @@ -77,12 +76,11 @@ namespace ix char_array_4[2] = ((char_array_3[1] & 0x0f) << 2) + ((char_array_3[2] & 0xc0) >> 6); char_array_4[3] = char_array_3[2] & 0x3f; - for(j = 0; (j < i + 1); j++) + for (j = 0; (j < i + 1); j++) ret += base64_chars[char_array_4[j]]; - while((i++ < 3)) + while ((i++ < 3)) ret += '='; - } return ret; @@ -95,7 +93,7 @@ namespace ix std::string base64_decode(const std::string& encoded_string) { - int in_len = (int)encoded_string.size(); + int in_len = (int) encoded_string.size(); int i = 0; int j = 0; int in_ = 0; @@ -103,40 +101,42 @@ namespace ix std::string ret; ret.reserve(((in_len + 3) / 4) * 3); - while(in_len-- && ( encoded_string[in_] != '=') && is_base64(encoded_string[in_])) + while (in_len-- && (encoded_string[in_] != '=') && is_base64(encoded_string[in_])) { - char_array_4[i++] = encoded_string[in_]; in_++; - if(i ==4) + char_array_4[i++] = encoded_string[in_]; + in_++; + if (i == 4) { - for(i = 0; i <4; i++) + for (i = 0; i < 4; i++) char_array_4[i] = base64_chars.find(char_array_4[i]); char_array_3[0] = (char_array_4[0] << 2) + ((char_array_4[1] & 0x30) >> 4); char_array_3[1] = ((char_array_4[1] & 0xf) << 4) + ((char_array_4[2] & 0x3c) >> 2); char_array_3[2] = ((char_array_4[2] & 0x3) << 6) + char_array_4[3]; - for(i = 0; (i < 3); i++) + for (i = 0; (i < 3); i++) ret += char_array_3[i]; i = 0; } } - if(i) + if (i) { - for(j = i; j <4; j++) + for (j = i; j < 4; j++) char_array_4[j] = 0; - for(j = 0; j <4; j++) + for (j = 0; j < 4; j++) char_array_4[j] = base64_chars.find(char_array_4[j]); char_array_3[0] = (char_array_4[0] << 2) + ((char_array_4[1] & 0x30) >> 4); char_array_3[1] = ((char_array_4[1] & 0xf) << 4) + ((char_array_4[2] & 0x3c) >> 2); char_array_3[2] = ((char_array_4[2] & 0x3) << 6) + char_array_4[3]; - for(j = 0; (j < i - 1); j++) ret += char_array_3[j]; + for (j = 0; (j < i - 1); j++) + ret += char_array_3[j]; } return ret; } -} +} // namespace ix diff --git a/ixcrypto/ixcrypto/IXHMac.cpp b/ixcrypto/ixcrypto/IXHMac.cpp index 7bc29385..d798f80d 100644 --- a/ixcrypto/ixcrypto/IXHMac.cpp +++ b/ixcrypto/ixcrypto/IXHMac.cpp @@ -5,16 +5,17 @@ */ #include "IXHMac.h" + #include "IXBase64.h" #if defined(IXCRYPTO_USE_MBED_TLS) -# include +#include #elif defined(__APPLE__) -# include +#include #elif defined(IXCRYPTO_USE_OPEN_SSL) -# include +#include #else -# include +#include #endif namespace ix @@ -26,19 +27,21 @@ namespace ix #if defined(IXCRYPTO_USE_MBED_TLS) mbedtls_md_hmac(mbedtls_md_info_from_type(MBEDTLS_MD_MD5), - (unsigned char *) key.c_str(), key.size(), - (unsigned char *) data.c_str(), data.size(), - (unsigned char *) &hash); + (unsigned char*) key.c_str(), + key.size(), + (unsigned char*) data.c_str(), + data.size(), + (unsigned char*) &hash); #elif defined(__APPLE__) - CCHmac(kCCHmacAlgMD5, - key.c_str(), key.size(), - data.c_str(), data.size(), - &hash); + CCHmac(kCCHmacAlgMD5, key.c_str(), key.size(), data.c_str(), data.size(), &hash); #elif defined(IXCRYPTO_USE_OPEN_SSL) HMAC(EVP_md5(), - key.c_str(), (int) key.size(), - (unsigned char *) data.c_str(), (int) data.size(), - (unsigned char *) hash, nullptr); + key.c_str(), + (int) key.size(), + (unsigned char*) data.c_str(), + (int) data.size(), + (unsigned char*) hash, + nullptr); #else assert(false && "hmac not implemented on this platform"); #endif @@ -47,4 +50,4 @@ namespace ix return base64_encode(hashString, (uint32_t) hashString.size()); } -} +} // namespace ix diff --git a/ixcrypto/ixcrypto/IXHash.cpp b/ixcrypto/ixcrypto/IXHash.cpp index 756a0cf6..a62e0871 100644 --- a/ixcrypto/ixcrypto/IXHash.cpp +++ b/ixcrypto/ixcrypto/IXHash.cpp @@ -19,4 +19,4 @@ namespace ix return hashAddress; } -} +} // namespace ix diff --git a/ixcrypto/ixcrypto/IXUuid.cpp b/ixcrypto/ixcrypto/IXUuid.cpp index 4a276494..0d82ef79 100644 --- a/ixcrypto/ixcrypto/IXUuid.cpp +++ b/ixcrypto/ixcrypto/IXUuid.cpp @@ -16,23 +16,23 @@ #include "IXUuid.h" -#include -#include #include #include +#include +#include namespace ix { class Uuid { - public: - Uuid(); - std::string toString() const; + public: + Uuid(); + std::string toString() const; - private: - uint64_t _ab; - uint64_t _cd; + private: + uint64_t _ab; + uint64_t _cd; }; Uuid::Uuid() @@ -60,7 +60,7 @@ namespace ix ss << std::setw(8) << (a); ss << std::setw(4) << (b >> 16); ss << std::setw(4) << (b & 0xFFFF); - ss << std::setw(4) << (c >> 16 ); + ss << std::setw(4) << (c >> 16); ss << std::setw(4) << (c & 0xFFFF); ss << std::setw(8) << d; @@ -72,4 +72,4 @@ namespace ix Uuid id; return id.toString(); } -} +} // namespace ix diff --git a/ixsentry/ixsentry/IXSentryClient.cpp b/ixsentry/ixsentry/IXSentryClient.cpp index e52ea26e..d0a2d99a 100644 --- a/ixsentry/ixsentry/IXSentryClient.cpp +++ b/ixsentry/ixsentry/IXSentryClient.cpp @@ -7,12 +7,12 @@ #include "IXSentryClient.h" #include -#include #include -#include +#include +#include #include #include -#include +#include namespace ix @@ -246,24 +246,21 @@ namespace ix std::string SentryClient::computeUrl(const std::string& project, const std::string& key) { std::stringstream ss; - ss << "https://sentry.io/api/" - << project - << "/minidump?sentry_key=" - << key; + ss << "https://sentry.io/api/" << project << "/minidump?sentry_key=" << key; return ss.str(); } // - // curl -v -X POST -F upload_file_minidump=@ws/crash.dmp 'https://sentry.io/api/123456/minidump?sentry_key=12344567890' + // curl -v -X POST -F upload_file_minidump=@ws/crash.dmp + // 'https://sentry.io/api/123456/minidump?sentry_key=12344567890' // - void SentryClient::uploadMinidump( - const std::string& sentryMetadata, - const std::string& minidumpBytes, - const std::string& project, - const std::string& key, - bool verbose, - const OnResponseCallback& onResponseCallback) + void SentryClient::uploadMinidump(const std::string& sentryMetadata, + const std::string& minidumpBytes, + const std::string& project, + const std::string& key, + bool verbose, + const OnResponseCallback& onResponseCallback) { std::string multipartBoundary = _httpClient->generateMultipartBoundary(); @@ -283,15 +280,15 @@ namespace ix httpParameters["sentry"] = sentryMetadata; args->url = computeUrl(project, key); - args->body = _httpClient->serializeHttpFormDataParameters(multipartBoundary, httpFormDataParameters, httpParameters); + args->body = _httpClient->serializeHttpFormDataParameters( + multipartBoundary, httpFormDataParameters, httpParameters); _httpClient->performRequest(args, onResponseCallback); } - void SentryClient::uploadPayload( - const Json::Value& payload, - bool verbose, - const OnResponseCallback& onResponseCallback) + void SentryClient::uploadPayload(const Json::Value& payload, + bool verbose, + const OnResponseCallback& onResponseCallback) { auto args = _httpClient->createRequest(); args->extraHeaders["X-Sentry-Auth"] = SentryClient::computeAuthHeader(); diff --git a/ixsentry/ixsentry/IXSentryClient.h b/ixsentry/ixsentry/IXSentryClient.h index b4f45b32..bef94d85 100644 --- a/ixsentry/ixsentry/IXSentryClient.h +++ b/ixsentry/ixsentry/IXSentryClient.h @@ -10,8 +10,8 @@ #include #include #include -#include #include +#include namespace ix { @@ -28,18 +28,16 @@ namespace ix // Mostly for testing void setTLSOptions(const SocketTLSOptions& tlsOptions); - void uploadMinidump( - const std::string& sentryMetadata, - const std::string& minidumpBytes, - const std::string& project, - const std::string& key, - bool verbose, - const OnResponseCallback& onResponseCallback); + void uploadMinidump(const std::string& sentryMetadata, + const std::string& minidumpBytes, + const std::string& project, + const std::string& key, + bool verbose, + const OnResponseCallback& onResponseCallback); - void uploadPayload( - const Json::Value& payload, - bool verbose, - const OnResponseCallback& onResponseCallback); + void uploadPayload(const Json::Value& payload, + bool verbose, + const OnResponseCallback& onResponseCallback); private: int64_t getTimestamp(); diff --git a/ixsnake/ixsnake/IXAppConfig.h b/ixsnake/ixsnake/IXAppConfig.h index d1581ef1..bad529da 100644 --- a/ixsnake/ixsnake/IXAppConfig.h +++ b/ixsnake/ixsnake/IXAppConfig.h @@ -6,10 +6,10 @@ #pragma once +#include #include #include #include -#include namespace snake { diff --git a/ixsnake/ixsnake/IXRedisClient.cpp b/ixsnake/ixsnake/IXRedisClient.cpp index 4d64eaaf..5429c44a 100644 --- a/ixsnake/ixsnake/IXRedisClient.cpp +++ b/ixsnake/ixsnake/IXRedisClient.cpp @@ -28,10 +28,7 @@ namespace ix return false; } - CancellationRequest cancellationRequest = []() -> bool - { - return false; - }; + CancellationRequest cancellationRequest = []() -> bool { return false; }; std::string errMsg; return _socket->connect(hostname, port, errMsg, cancellationRequest); @@ -252,9 +249,8 @@ namespace ix return true; } - std::string RedisClient::prepareXaddCommand( - const std::string& stream, - const std::string& message) + std::string RedisClient::prepareXaddCommand(const std::string& stream, + const std::string& message) { std::stringstream ss; ss << "*5\r\n"; @@ -328,7 +324,9 @@ namespace ix return streamId; } - bool RedisClient::sendCommand(const std::string& commands, int commandsCount, std::string& errMsg) + bool RedisClient::sendCommand(const std::string& commands, + int commandsCount, + std::string& errMsg) { bool sent = _socket->writeBytes(commands, nullptr); if (!sent) diff --git a/ixsnake/ixsnake/IXRedisClient.h b/ixsnake/ixsnake/IXRedisClient.h index 4b7c79d7..1d1640c1 100644 --- a/ixsnake/ixsnake/IXRedisClient.h +++ b/ixsnake/ixsnake/IXRedisClient.h @@ -8,11 +8,10 @@ #include #include +#include #include #include -#include - namespace ix { class RedisClient @@ -39,14 +38,11 @@ namespace ix const OnRedisSubscribeCallback& callback); // XADD - std::string xadd( - const std::string& channel, - const std::string& message, - std::string& errMsg); + std::string xadd(const std::string& channel, + const std::string& message, + std::string& errMsg); - std::string prepareXaddCommand( - const std::string& stream, - const std::string& message); + std::string prepareXaddCommand(const std::string& stream, const std::string& message); std::string readXaddReply(std::string& errMsg); diff --git a/ixsnake/ixsnake/IXRedisServer.cpp b/ixsnake/ixsnake/IXRedisServer.cpp index ddadb471..aabfd2a6 100644 --- a/ixsnake/ixsnake/IXRedisServer.cpp +++ b/ixsnake/ixsnake/IXRedisServer.cpp @@ -6,17 +6,18 @@ #include "IXRedisServer.h" -#include -#include -#include -#include #include +#include +#include +#include +#include #include #include namespace ix { - RedisServer::RedisServer(int port, const std::string& host, int backlog, size_t maxConnections, int addressFamily) + RedisServer::RedisServer( + int port, const std::string& host, int backlog, size_t maxConnections, int addressFamily) : SocketServer(port, host, backlog, maxConnections, addressFamily) , _connectedClientsCount(0) , _stopHandlingConnections(false) @@ -114,8 +115,7 @@ namespace ix for (auto it : _subscribers) { std::stringstream ss; - ss << "Subscription id: " << it.first - << " #subscribers: " << it.second.size(); + ss << "Subscription id: " << it.first << " #subscribers: " << it.second.size(); logInfo(ss.str()); } @@ -126,8 +126,7 @@ namespace ix return _connectedClientsCount; } - bool RedisServer::startsWith(const std::string& str, - const std::string& start) + bool RedisServer::startsWith(const std::string& str, const std::string& start) { return str.compare(0, start.length(), start) == 0; } @@ -144,9 +143,8 @@ namespace ix return ss.str(); } - bool RedisServer::parseRequest( - std::unique_ptr& socket, - std::vector& tokens) + bool RedisServer::parseRequest(std::unique_ptr& socket, + std::vector& tokens) { // Parse first line auto cb = makeCancellationRequestWithTimeout(30, _stopHandlingConnections); @@ -190,9 +188,8 @@ namespace ix return true; } - bool RedisServer::handleCommand( - std::unique_ptr& socket, - const std::vector& tokens) + bool RedisServer::handleCommand(std::unique_ptr& socket, + const std::vector& tokens) { if (tokens.size() != 1) return false; @@ -207,31 +204,30 @@ namespace ix // ss << "*6\r\n"; ss << writeString("publish"); // 1 - ss << ":3\r\n"; // 2 - ss << "*0\r\n"; // 3 - ss << ":1\r\n"; // 4 - ss << ":2\r\n"; // 5 - ss << ":1\r\n"; // 6 + ss << ":3\r\n"; // 2 + ss << "*0\r\n"; // 3 + ss << ":1\r\n"; // 4 + ss << ":2\r\n"; // 5 + ss << ":1\r\n"; // 6 // // subscribe // ss << "*6\r\n"; ss << writeString("subscribe"); // 1 - ss << ":2\r\n"; // 2 - ss << "*0\r\n"; // 3 - ss << ":1\r\n"; // 4 - ss << ":1\r\n"; // 5 - ss << ":1\r\n"; // 6 + ss << ":2\r\n"; // 2 + ss << "*0\r\n"; // 3 + ss << ":1\r\n"; // 4 + ss << ":1\r\n"; // 5 + ss << ":1\r\n"; // 6 socket->writeBytes(ss.str(), cb); return true; } - bool RedisServer::handleSubscribe( - std::unique_ptr& socket, - const std::vector& tokens) + bool RedisServer::handleSubscribe(std::unique_ptr& socket, + const std::vector& tokens) { if (tokens.size() != 2) return false; @@ -250,9 +246,8 @@ namespace ix return true; } - bool RedisServer::handlePublish( - std::unique_ptr& socket, - const std::vector& tokens) + bool RedisServer::handlePublish(std::unique_ptr& socket, + const std::vector& tokens) { if (tokens.size() != 3) return false; @@ -281,9 +276,7 @@ namespace ix // return the number of clients that received the message. std::stringstream ss; - ss << ":" - << std::to_string(subscribers.size()) - << "\r\n"; + ss << ":" << std::to_string(subscribers.size()) << "\r\n"; socket->writeBytes(ss.str(), cb); return true; diff --git a/ixsnake/ixsnake/IXRedisServer.h b/ixsnake/ixsnake/IXRedisServer.h index 9d06b595..6d2bfc00 100644 --- a/ixsnake/ixsnake/IXRedisServer.h +++ b/ixsnake/ixsnake/IXRedisServer.h @@ -6,13 +6,13 @@ #pragma once -#include "IXSocketServer.h" #include "IXSocket.h" +#include "IXSocketServer.h" #include +#include #include #include #include -#include #include #include #include // pair @@ -50,18 +50,14 @@ namespace ix bool startsWith(const std::string& str, const std::string& start); std::string writeString(const std::string& str); - bool parseRequest( - std::unique_ptr& socket, - std::vector& tokens); + bool parseRequest(std::unique_ptr& socket, std::vector& tokens); - bool handlePublish(std::unique_ptr& socket, - const std::vector& tokens); + bool handlePublish(std::unique_ptr& socket, const std::vector& tokens); bool handleSubscribe(std::unique_ptr& socket, const std::vector& tokens); - bool handleCommand(std::unique_ptr& socket, - const std::vector& tokens); + bool handleCommand(std::unique_ptr& socket, const std::vector& tokens); void cleanupSubscribers(std::unique_ptr& socket); }; diff --git a/ixsnake/ixsnake/IXSnakeProtocol.cpp b/ixsnake/ixsnake/IXSnakeProtocol.cpp index 37ac5d1e..1642519f 100644 --- a/ixsnake/ixsnake/IXSnakeProtocol.cpp +++ b/ixsnake/ixsnake/IXSnakeProtocol.cpp @@ -10,9 +10,9 @@ #include "IXSnakeConnectionState.h" #include "nlohmann/json.hpp" #include +#include #include #include -#include #include namespace snake @@ -189,7 +189,8 @@ namespace snake nlohmann::json response = { {"action", "rtm/subscription/data"}, {"id", id++}, - {"body", {{"subscription_id", subscriptionId}, {"position", "0-0"}, {"messages", {msg}}}}}; + {"body", + {{"subscription_id", subscriptionId}, {"position", "0-0"}, {"messages", {msg}}}}}; ws->sendText(response.dump()); }; @@ -261,8 +262,7 @@ namespace snake std::stringstream ss; ss << "malformed json pdu: " << e.what() << " -> " << str << ""; - nlohmann::json response = {{"body", {{"error", "invalid_json"}, - {"reason", ss.str()}}}}; + nlohmann::json response = {{"body", {{"error", "invalid_json"}, {"reason", ss.str()}}}}; ws->sendText(response.dump()); return; } diff --git a/ixsnake/ixsnake/IXSnakeServer.cpp b/ixsnake/ixsnake/IXSnakeServer.cpp index 0394b302..0875d0c3 100644 --- a/ixsnake/ixsnake/IXSnakeServer.cpp +++ b/ixsnake/ixsnake/IXSnakeServer.cpp @@ -10,8 +10,8 @@ #include "IXSnakeConnectionState.h" #include "IXSnakeProtocol.h" #include -#include #include +#include namespace snake diff --git a/test/IXDNSLookupTest.cpp b/test/IXDNSLookupTest.cpp index 31a7e0aa..213a5f5d 100644 --- a/test/IXDNSLookupTest.cpp +++ b/test/IXDNSLookupTest.cpp @@ -31,11 +31,7 @@ TEST_CASE("dns", "[net]") auto dnsLookup = std::make_shared("wwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwww", 80); std::string errMsg; - struct addrinfo* res = dnsLookup->resolve(errMsg, - [] - { - return false; - }); + struct addrinfo* res = dnsLookup->resolve(errMsg, [] { return false; }); std::cerr << "Error message: " << errMsg << std::endl; REQUIRE(res == nullptr); } @@ -46,11 +42,7 @@ TEST_CASE("dns", "[net]") std::string errMsg; // The callback returning true means we are requesting cancellation - struct addrinfo* res = dnsLookup->resolve(errMsg, - [] - { - return true; - }); + struct addrinfo* res = dnsLookup->resolve(errMsg, [] { return true; }); std::cerr << "Error message: " << errMsg << std::endl; REQUIRE(res == nullptr); } diff --git a/third_party/.clang-format b/third_party/.clang-format index a6962cf5..9d159247 100644 --- a/third_party/.clang-format +++ b/third_party/.clang-format @@ -1,4 +1,2 @@ -{ - "DisableFormat": true, - "SortIncludes": false -} +DisableFormat: true +SortIncludes: false diff --git a/third_party/spdlog/include/spdlog/details/fmt_helper.h b/third_party/spdlog/include/spdlog/details/fmt_helper.h index f5a8bad5..bda8c6cb 100644 --- a/third_party/spdlog/include/spdlog/details/fmt_helper.h +++ b/third_party/spdlog/include/spdlog/details/fmt_helper.h @@ -74,7 +74,7 @@ template inline void pad3(T n, memory_buf_t &dest) { static_assert(std::is_unsigned::value, "pad3 must get unsigned T"); - if(n < 1000) + if (n < 1000) { dest.push_back(static_cast(n / 100 + '0')); n = n % 100; diff --git a/third_party/spdlog/include/spdlog/fmt/bundled/chrono.h b/third_party/spdlog/include/spdlog/fmt/bundled/chrono.h index ca4ed30a..cecc6710 100644 --- a/third_party/spdlog/include/spdlog/fmt/bundled/chrono.h +++ b/third_party/spdlog/include/spdlog/fmt/bundled/chrono.h @@ -20,7 +20,7 @@ FMT_BEGIN_NAMESPACE // Enable safe chrono durations, unless explicitly disabled. #ifndef FMT_SAFE_DURATION_CAST -# define FMT_SAFE_DURATION_CAST 1 +#define FMT_SAFE_DURATION_CAST 1 #endif #if FMT_SAFE_DURATION_CAST @@ -32,90 +32,103 @@ FMT_BEGIN_NAMESPACE // Copyright Paul Dreik 2019 namespace safe_duration_cast { -template ::value && - std::numeric_limits::is_signed == - std::numeric_limits::is_signed)> -FMT_CONSTEXPR To lossless_integral_conversion(const From from, int& ec) { - ec = 0; - using F = std::numeric_limits; - using T = std::numeric_limits; - static_assert(F::is_integer, "From must be integral"); - static_assert(T::is_integer, "To must be integral"); +template::value && std::numeric_limits::is_signed == std::numeric_limits::is_signed)> +FMT_CONSTEXPR To lossless_integral_conversion(const From from, int &ec) +{ + ec = 0; + using F = std::numeric_limits; + using T = std::numeric_limits; + static_assert(F::is_integer, "From must be integral"); + static_assert(T::is_integer, "To must be integral"); - // A and B are both signed, or both unsigned. - if (F::digits <= T::digits) { - // From fits in To without any problem. - } else { - // From does not always fit in To, resort to a dynamic check. - if (from < T::min() || from > T::max()) { - // outside range. - ec = 1; - return {}; + // A and B are both signed, or both unsigned. + if (F::digits <= T::digits) + { + // From fits in To without any problem. } - } - return static_cast(from); + else + { + // From does not always fit in To, resort to a dynamic check. + if (from < T::min() || from > T::max()) + { + // outside range. + ec = 1; + return {}; + } + } + return static_cast(from); } /** * converts From to To, without loss. If the dynamic value of from * can't be converted to To without loss, ec is set. */ -template ::value && - std::numeric_limits::is_signed != - std::numeric_limits::is_signed)> -FMT_CONSTEXPR To lossless_integral_conversion(const From from, int& ec) { - ec = 0; - using F = std::numeric_limits; - using T = std::numeric_limits; - static_assert(F::is_integer, "From must be integral"); - static_assert(T::is_integer, "To must be integral"); +template::value && std::numeric_limits::is_signed != std::numeric_limits::is_signed)> +FMT_CONSTEXPR To lossless_integral_conversion(const From from, int &ec) +{ + ec = 0; + using F = std::numeric_limits; + using T = std::numeric_limits; + static_assert(F::is_integer, "From must be integral"); + static_assert(T::is_integer, "To must be integral"); - if (F::is_signed && !T::is_signed) { - // From may be negative, not allowed! - if (fmt::internal::is_negative(from)) { - ec = 1; - return {}; + if (F::is_signed && !T::is_signed) + { + // From may be negative, not allowed! + if (fmt::internal::is_negative(from)) + { + ec = 1; + return {}; + } + + // From is positive. Can it always fit in To? + if (F::digits <= T::digits) + { + // yes, From always fits in To. + } + else + { + // from may not fit in To, we have to do a dynamic check + if (from > static_cast(T::max())) + { + ec = 1; + return {}; + } + } } - // From is positive. Can it always fit in To? - if (F::digits <= T::digits) { - // yes, From always fits in To. - } else { - // from may not fit in To, we have to do a dynamic check - if (from > static_cast(T::max())) { - ec = 1; - return {}; - } + if (!F::is_signed && T::is_signed) + { + // can from be held in To? + if (F::digits < T::digits) + { + // yes, From always fits in To. + } + else + { + // from may not fit in To, we have to do a dynamic check + if (from > static_cast(T::max())) + { + // outside range. + ec = 1; + return {}; + } + } } - } - if (!F::is_signed && T::is_signed) { - // can from be held in To? - if (F::digits < T::digits) { - // yes, From always fits in To. - } else { - // from may not fit in To, we have to do a dynamic check - if (from > static_cast(T::max())) { - // outside range. - ec = 1; - return {}; - } - } - } + // reaching here means all is ok for lossless conversion. + return static_cast(from); - // reaching here means all is ok for lossless conversion. - return static_cast(from); +} // function -} // function - -template ::value)> -FMT_CONSTEXPR To lossless_integral_conversion(const From from, int& ec) { - ec = 0; - return from; -} // function +template::value)> +FMT_CONSTEXPR To lossless_integral_conversion(const From from, int &ec) +{ + ec = 0; + return from; +} // function // clang-format off /** @@ -131,175 +144,181 @@ FMT_CONSTEXPR To lossless_integral_conversion(const From from, int& ec) { * -Inf | -Inf */ // clang-format on -template ::value)> -FMT_CONSTEXPR To safe_float_conversion(const From from, int& ec) { - ec = 0; - using T = std::numeric_limits; - static_assert(std::is_floating_point::value, "From must be floating"); - static_assert(std::is_floating_point::value, "To must be floating"); +template::value)> +FMT_CONSTEXPR To safe_float_conversion(const From from, int &ec) +{ + ec = 0; + using T = std::numeric_limits; + static_assert(std::is_floating_point::value, "From must be floating"); + static_assert(std::is_floating_point::value, "To must be floating"); - // catch the only happy case - if (std::isfinite(from)) { - if (from >= T::lowest() && from <= T::max()) { - return static_cast(from); + // catch the only happy case + if (std::isfinite(from)) + { + if (from >= T::lowest() && from <= T::max()) + { + return static_cast(from); + } + // not within range. + ec = 1; + return {}; } - // not within range. - ec = 1; - return {}; - } - // nan and inf will be preserved - return static_cast(from); -} // function + // nan and inf will be preserved + return static_cast(from); +} // function -template ::value)> -FMT_CONSTEXPR To safe_float_conversion(const From from, int& ec) { - ec = 0; - static_assert(std::is_floating_point::value, "From must be floating"); - return from; +template::value)> +FMT_CONSTEXPR To safe_float_conversion(const From from, int &ec) +{ + ec = 0; + static_assert(std::is_floating_point::value, "From must be floating"); + return from; } /** * safe duration cast between integral durations */ -template ::value), - FMT_ENABLE_IF(std::is_integral::value)> -To safe_duration_cast(std::chrono::duration from, - int& ec) { - using From = std::chrono::duration; - ec = 0; - // the basic idea is that we need to convert from count() in the from type - // to count() in the To type, by multiplying it with this: - struct Factor - : std::ratio_divide {}; +template::value), + FMT_ENABLE_IF(std::is_integral::value)> +To safe_duration_cast(std::chrono::duration from, int &ec) +{ + using From = std::chrono::duration; + ec = 0; + // the basic idea is that we need to convert from count() in the from type + // to count() in the To type, by multiplying it with this: + struct Factor : std::ratio_divide + {}; - static_assert(Factor::num > 0, "num must be positive"); - static_assert(Factor::den > 0, "den must be positive"); + 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; + // 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 (Factor::num != 1) { - const auto max1 = internal::max_value() / Factor::num; - if (count > max1) { - ec = 1; - return {}; + // safe conversion to IntermediateRep + IntermediateRep count = lossless_integral_conversion(from.count(), ec); + if (ec) + { + return {}; } - const auto min1 = std::numeric_limits::min() / Factor::num; - if (count < min1) { - ec = 1; - return {}; + // multiply with Factor::num without overflow or underflow + if (Factor::num != 1) + { + const auto max1 = internal::max_value() / Factor::num; + if (count > max1) + { + ec = 1; + return {}; + } + const auto min1 = std::numeric_limits::min() / Factor::num; + if (count < min1) + { + ec = 1; + return {}; + } + count *= Factor::num; } - count *= Factor::num; - } - // this can't go wrong, right? den>0 is checked earlier. - if (Factor::den != 1) { - count /= Factor::den; - } - // convert to the to type, safely - using ToRep = typename To::rep; - const ToRep tocount = lossless_integral_conversion(count, ec); - if (ec) { - return {}; - } - return To{tocount}; + // this can't go wrong, right? den>0 is checked earlier. + if (Factor::den != 1) + { + count /= Factor::den; + } + // convert to the to type, safely + using ToRep = typename To::rep; + const ToRep tocount = lossless_integral_conversion(count, ec); + if (ec) + { + return {}; + } + return To{tocount}; } /** * safe duration_cast between floating point durations */ -template ::value), - FMT_ENABLE_IF(std::is_floating_point::value)> -To safe_duration_cast(std::chrono::duration from, - int& ec) { - using From = std::chrono::duration; - ec = 0; - if (std::isnan(from.count())) { - // nan in, gives nan out. easy. - return To{std::numeric_limits::quiet_NaN()}; - } - // maybe we should also check if from is denormal, and decide what to do about - // it. - - // +-inf should be preserved. - if (std::isinf(from.count())) { - return To{from.count()}; - } - - // the basic idea is that we need to convert from count() in the from type - // to count() in the To type, by multiplying it with this: - struct Factor - : std::ratio_divide {}; - - static_assert(Factor::num > 0, "num must be positive"); - static_assert(Factor::den > 0, "den must be positive"); - - // the conversion is like this: multiply from.count() with Factor::num - // /Factor::den and convert it to To::rep, all this without - // overflow/underflow. let's start by finding a suitable type that can hold - // both To, From and Factor::num - using IntermediateRep = - typename std::common_type::type; - - // force conversion of From::rep -> IntermediateRep to be safe, - // even if it will never happen be narrowing in this context. - IntermediateRep count = - safe_float_conversion(from.count(), ec); - if (ec) { - return {}; - } - - // multiply with Factor::num without overflow or underflow - if (Factor::num != 1) { - constexpr auto max1 = internal::max_value() / - static_cast(Factor::num); - if (count > max1) { - ec = 1; - return {}; +template::value), + FMT_ENABLE_IF(std::is_floating_point::value)> +To safe_duration_cast(std::chrono::duration from, int &ec) +{ + using From = std::chrono::duration; + ec = 0; + if (std::isnan(from.count())) + { + // nan in, gives nan out. easy. + return To{std::numeric_limits::quiet_NaN()}; } - constexpr auto min1 = std::numeric_limits::lowest() / - static_cast(Factor::num); - if (count < min1) { - ec = 1; - return {}; + // maybe we should also check if from is denormal, and decide what to do about + // it. + + // +-inf should be preserved. + if (std::isinf(from.count())) + { + return To{from.count()}; } - count *= static_cast(Factor::num); - } - // this can't go wrong, right? den>0 is checked earlier. - if (Factor::den != 1) { - using common_t = typename std::common_type::type; - count /= static_cast(Factor::den); - } + // 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 + {}; - // convert to the to type, safely - using ToRep = typename To::rep; + static_assert(Factor::num > 0, "num must be positive"); + static_assert(Factor::den > 0, "den must be positive"); - const ToRep tocount = safe_float_conversion(count, ec); - if (ec) { - return {}; - } - return To{tocount}; + // the conversion is like this: multiply from.count() with Factor::num + // /Factor::den and convert it to To::rep, all this without + // overflow/underflow. let's start by finding a suitable type that can hold + // both To, From and Factor::num + using IntermediateRep = typename std::common_type::type; + + // force conversion of From::rep -> IntermediateRep to be safe, + // even if it will never happen be narrowing in this context. + IntermediateRep count = safe_float_conversion(from.count(), ec); + if (ec) + { + return {}; + } + + // multiply with Factor::num without overflow or underflow + if (Factor::num != 1) + { + constexpr auto max1 = internal::max_value() / static_cast(Factor::num); + if (count > max1) + { + ec = 1; + return {}; + } + constexpr auto min1 = std::numeric_limits::lowest() / static_cast(Factor::num); + if (count < min1) + { + ec = 1; + return {}; + } + count *= static_cast(Factor::num); + } + + // this can't go wrong, right? den>0 is checked earlier. + if (Factor::den != 1) + { + using common_t = typename std::common_type::type; + count /= static_cast(Factor::den); + } + + // convert to the to type, safely + using ToRep = typename To::rep; + + const ToRep tocount = safe_float_conversion(count, ec); + if (ec) + { + return {}; + } + return To{tocount}; } -} // namespace safe_duration_cast +} // namespace safe_duration_cast #endif // Prevents expansion of a preceding token as a function-style macro. @@ -307,800 +326,1079 @@ To safe_duration_cast(std::chrono::duration from, #define FMT_NOMACRO namespace internal { -inline null<> localtime_r FMT_NOMACRO(...) { return null<>(); } -inline null<> localtime_s(...) { return null<>(); } -inline null<> gmtime_r(...) { return null<>(); } -inline null<> gmtime_s(...) { return null<>(); } -} // namespace internal +inline null<> localtime_r FMT_NOMACRO(...) +{ + return null<>(); +} +inline null<> localtime_s(...) +{ + return null<>(); +} +inline null<> gmtime_r(...) +{ + return null<>(); +} +inline null<> gmtime_s(...) +{ + return null<>(); +} +} // namespace internal // Thread-safe replacement for std::localtime -inline std::tm localtime(std::time_t time) { - struct dispatcher { - std::time_t time_; - std::tm tm_; +inline std::tm localtime(std::time_t time) +{ + struct dispatcher + { + std::time_t time_; + std::tm tm_; - dispatcher(std::time_t t) : time_(t) {} + dispatcher(std::time_t t) + : time_(t) + {} - bool run() { - using namespace fmt::internal; - return handle(localtime_r(&time_, &tm_)); - } + bool run() + { + using namespace fmt::internal; + return handle(localtime_r(&time_, &tm_)); + } - bool handle(std::tm* tm) { return tm != nullptr; } + bool handle(std::tm *tm) + { + return tm != nullptr; + } - bool handle(internal::null<>) { - using namespace fmt::internal; - return fallback(localtime_s(&tm_, &time_)); - } + bool handle(internal::null<>) + { + using namespace fmt::internal; + return fallback(localtime_s(&tm_, &time_)); + } - bool fallback(int res) { return res == 0; } + bool fallback(int res) + { + return res == 0; + } #if !FMT_MSC_VER - bool fallback(internal::null<>) { - using namespace fmt::internal; - std::tm* tm = std::localtime(&time_); - if (tm) tm_ = *tm; - return tm != nullptr; - } + bool fallback(internal::null<>) + { + using namespace fmt::internal; + std::tm *tm = std::localtime(&time_); + if (tm) + tm_ = *tm; + return tm != nullptr; + } #endif - }; - dispatcher lt(time); - // Too big time values may be unsupported. - if (!lt.run()) FMT_THROW(format_error("time_t value out of range")); - return lt.tm_; + }; + dispatcher lt(time); + // Too big time values may be unsupported. + if (!lt.run()) + FMT_THROW(format_error("time_t value out of range")); + return lt.tm_; } // Thread-safe replacement for std::gmtime -inline std::tm gmtime(std::time_t time) { - struct dispatcher { - std::time_t time_; - std::tm tm_; +inline std::tm gmtime(std::time_t time) +{ + struct dispatcher + { + std::time_t time_; + std::tm tm_; - dispatcher(std::time_t t) : time_(t) {} + dispatcher(std::time_t t) + : time_(t) + {} - bool run() { - using namespace fmt::internal; - return handle(gmtime_r(&time_, &tm_)); - } + bool run() + { + using namespace fmt::internal; + return handle(gmtime_r(&time_, &tm_)); + } - bool handle(std::tm* tm) { return tm != nullptr; } + bool handle(std::tm *tm) + { + return tm != nullptr; + } - bool handle(internal::null<>) { - using namespace fmt::internal; - return fallback(gmtime_s(&tm_, &time_)); - } + bool handle(internal::null<>) + { + using namespace fmt::internal; + return fallback(gmtime_s(&tm_, &time_)); + } - bool fallback(int res) { return res == 0; } + bool fallback(int res) + { + return res == 0; + } #if !FMT_MSC_VER - bool fallback(internal::null<>) { - std::tm* tm = std::gmtime(&time_); - if (tm) tm_ = *tm; - return tm != nullptr; - } + bool fallback(internal::null<>) + { + std::tm *tm = std::gmtime(&time_); + if (tm) + tm_ = *tm; + return tm != nullptr; + } #endif - }; - dispatcher gt(time); - // Too big time values may be unsupported. - if (!gt.run()) FMT_THROW(format_error("time_t value out of range")); - return gt.tm_; + }; + dispatcher gt(time); + // Too big time values may be unsupported. + if (!gt.run()) + FMT_THROW(format_error("time_t value out of range")); + return gt.tm_; } namespace internal { -inline std::size_t strftime(char* str, std::size_t count, const char* format, - const std::tm* time) { - return std::strftime(str, count, format, time); +inline std::size_t strftime(char *str, std::size_t count, const char *format, const std::tm *time) +{ + return std::strftime(str, count, format, time); } -inline std::size_t strftime(wchar_t* str, std::size_t count, - const wchar_t* format, const std::tm* time) { - return std::wcsftime(str, count, format, time); +inline std::size_t strftime(wchar_t *str, std::size_t count, const wchar_t *format, const std::tm *time) +{ + return std::wcsftime(str, count, format, time); } -} // namespace internal +} // namespace internal -template struct formatter { - template - auto parse(ParseContext& ctx) -> decltype(ctx.begin()) { - auto it = ctx.begin(); - if (it != ctx.end() && *it == ':') ++it; - auto end = it; - while (end != ctx.end() && *end != '}') ++end; - tm_format.reserve(internal::to_unsigned(end - it + 1)); - tm_format.append(it, end); - tm_format.push_back('\0'); - return end; - } - - template - auto format(const std::tm& tm, FormatContext& ctx) -> decltype(ctx.out()) { - basic_memory_buffer buf; - std::size_t start = buf.size(); - for (;;) { - std::size_t size = buf.capacity() - start; - std::size_t count = - internal::strftime(&buf[start], size, &tm_format[0], &tm); - if (count != 0) { - buf.resize(start + count); - break; - } - if (size >= tm_format.size() * 256) { - // If the buffer is 256 times larger than the format string, assume - // that `strftime` gives an empty result. There doesn't seem to be a - // better way to distinguish the two cases: - // https://github.com/fmtlib/fmt/issues/367 - break; - } - const std::size_t MIN_GROWTH = 10; - buf.reserve(buf.capacity() + (size > MIN_GROWTH ? size : MIN_GROWTH)); +template +struct formatter +{ + template + auto parse(ParseContext &ctx) -> decltype(ctx.begin()) + { + auto it = ctx.begin(); + if (it != ctx.end() && *it == ':') + ++it; + auto end = it; + while (end != ctx.end() && *end != '}') + ++end; + tm_format.reserve(internal::to_unsigned(end - it + 1)); + tm_format.append(it, end); + tm_format.push_back('\0'); + return end; } - return std::copy(buf.begin(), buf.end(), ctx.out()); - } - basic_memory_buffer tm_format; + template + auto format(const std::tm &tm, FormatContext &ctx) -> decltype(ctx.out()) + { + basic_memory_buffer buf; + std::size_t start = buf.size(); + for (;;) + { + std::size_t size = buf.capacity() - start; + std::size_t count = internal::strftime(&buf[start], size, &tm_format[0], &tm); + if (count != 0) + { + buf.resize(start + count); + break; + } + if (size >= tm_format.size() * 256) + { + // If the buffer is 256 times larger than the format string, assume + // that `strftime` gives an empty result. There doesn't seem to be a + // better way to distinguish the two cases: + // https://github.com/fmtlib/fmt/issues/367 + break; + } + const std::size_t MIN_GROWTH = 10; + buf.reserve(buf.capacity() + (size > MIN_GROWTH ? size : MIN_GROWTH)); + } + return std::copy(buf.begin(), buf.end(), ctx.out()); + } + + basic_memory_buffer tm_format; }; namespace internal { -template FMT_CONSTEXPR const char* get_units() { - return nullptr; +template +FMT_CONSTEXPR const char *get_units() +{ + return nullptr; } -template <> FMT_CONSTEXPR const char* get_units() { return "as"; } -template <> FMT_CONSTEXPR const char* get_units() { return "fs"; } -template <> FMT_CONSTEXPR const char* get_units() { return "ps"; } -template <> FMT_CONSTEXPR const char* get_units() { return "ns"; } -template <> FMT_CONSTEXPR const char* get_units() { return "µs"; } -template <> FMT_CONSTEXPR const char* get_units() { return "ms"; } -template <> FMT_CONSTEXPR const char* get_units() { return "cs"; } -template <> FMT_CONSTEXPR const char* get_units() { return "ds"; } -template <> FMT_CONSTEXPR const char* get_units>() { return "s"; } -template <> FMT_CONSTEXPR const char* get_units() { return "das"; } -template <> FMT_CONSTEXPR const char* get_units() { return "hs"; } -template <> FMT_CONSTEXPR const char* get_units() { return "ks"; } -template <> FMT_CONSTEXPR const char* get_units() { return "Ms"; } -template <> FMT_CONSTEXPR const char* get_units() { return "Gs"; } -template <> FMT_CONSTEXPR const char* get_units() { return "Ts"; } -template <> FMT_CONSTEXPR const char* get_units() { return "Ps"; } -template <> FMT_CONSTEXPR const char* get_units() { return "Es"; } -template <> FMT_CONSTEXPR const char* get_units>() { - return "m"; +template<> +FMT_CONSTEXPR const char *get_units() +{ + return "as"; } -template <> FMT_CONSTEXPR const char* get_units>() { - return "h"; +template<> +FMT_CONSTEXPR const char *get_units() +{ + return "fs"; +} +template<> +FMT_CONSTEXPR const char *get_units() +{ + return "ps"; +} +template<> +FMT_CONSTEXPR const char *get_units() +{ + return "ns"; +} +template<> +FMT_CONSTEXPR const char *get_units() +{ + return "µs"; +} +template<> +FMT_CONSTEXPR const char *get_units() +{ + return "ms"; +} +template<> +FMT_CONSTEXPR const char *get_units() +{ + return "cs"; +} +template<> +FMT_CONSTEXPR const char *get_units() +{ + return "ds"; +} +template<> +FMT_CONSTEXPR const char *get_units>() +{ + return "s"; +} +template<> +FMT_CONSTEXPR const char *get_units() +{ + return "das"; +} +template<> +FMT_CONSTEXPR const char *get_units() +{ + return "hs"; +} +template<> +FMT_CONSTEXPR const char *get_units() +{ + return "ks"; +} +template<> +FMT_CONSTEXPR const char *get_units() +{ + return "Ms"; +} +template<> +FMT_CONSTEXPR const char *get_units() +{ + return "Gs"; +} +template<> +FMT_CONSTEXPR const char *get_units() +{ + return "Ts"; +} +template<> +FMT_CONSTEXPR const char *get_units() +{ + return "Ps"; +} +template<> +FMT_CONSTEXPR const char *get_units() +{ + return "Es"; +} +template<> +FMT_CONSTEXPR const char *get_units>() +{ + return "m"; +} +template<> +FMT_CONSTEXPR const char *get_units>() +{ + return "h"; } -enum class numeric_system { - standard, - // Alternative numeric system, e.g. 十二 instead of 12 in ja_JP locale. - alternative +enum class numeric_system +{ + standard, + // Alternative numeric system, e.g. 十二 instead of 12 in ja_JP locale. + alternative }; // Parses a put_time-like format string and invokes handler actions. -template -FMT_CONSTEXPR const Char* parse_chrono_format(const Char* begin, - const Char* end, - Handler&& handler) { - auto ptr = begin; - while (ptr != end) { - auto c = *ptr; - if (c == '}') break; - if (c != '%') { - ++ptr; - continue; +template +FMT_CONSTEXPR const Char *parse_chrono_format(const Char *begin, const Char *end, Handler &&handler) +{ + auto ptr = begin; + while (ptr != end) + { + auto c = *ptr; + if (c == '}') + break; + if (c != '%') + { + ++ptr; + continue; + } + if (begin != ptr) + handler.on_text(begin, ptr); + ++ptr; // consume '%' + if (ptr == end) + FMT_THROW(format_error("invalid format")); + c = *ptr++; + switch (c) + { + case '%': + handler.on_text(ptr - 1, ptr); + break; + case 'n': { + const char newline[] = "\n"; + handler.on_text(newline, newline + 1); + break; + } + case 't': { + const char tab[] = "\t"; + handler.on_text(tab, tab + 1); + break; + } + // Day of the week: + case 'a': + handler.on_abbr_weekday(); + break; + case 'A': + handler.on_full_weekday(); + break; + case 'w': + handler.on_dec0_weekday(numeric_system::standard); + break; + case 'u': + handler.on_dec1_weekday(numeric_system::standard); + break; + // Month: + case 'b': + handler.on_abbr_month(); + break; + case 'B': + handler.on_full_month(); + break; + // Hour, minute, second: + case 'H': + handler.on_24_hour(numeric_system::standard); + break; + case 'I': + handler.on_12_hour(numeric_system::standard); + break; + case 'M': + handler.on_minute(numeric_system::standard); + break; + case 'S': + handler.on_second(numeric_system::standard); + break; + // Other: + case 'c': + handler.on_datetime(numeric_system::standard); + break; + case 'x': + handler.on_loc_date(numeric_system::standard); + break; + case 'X': + handler.on_loc_time(numeric_system::standard); + break; + case 'D': + handler.on_us_date(); + break; + case 'F': + handler.on_iso_date(); + break; + case 'r': + handler.on_12_hour_time(); + break; + case 'R': + handler.on_24_hour_time(); + break; + case 'T': + handler.on_iso_time(); + break; + case 'p': + handler.on_am_pm(); + break; + case 'Q': + handler.on_duration_value(); + break; + case 'q': + handler.on_duration_unit(); + break; + case 'z': + handler.on_utc_offset(); + break; + case 'Z': + handler.on_tz_name(); + break; + // Alternative representation: + case 'E': { + if (ptr == end) + FMT_THROW(format_error("invalid format")); + c = *ptr++; + switch (c) + { + case 'c': + handler.on_datetime(numeric_system::alternative); + break; + case 'x': + handler.on_loc_date(numeric_system::alternative); + break; + case 'X': + handler.on_loc_time(numeric_system::alternative); + break; + default: + FMT_THROW(format_error("invalid format")); + } + break; + } + case 'O': + if (ptr == end) + FMT_THROW(format_error("invalid format")); + c = *ptr++; + switch (c) + { + case 'w': + handler.on_dec0_weekday(numeric_system::alternative); + break; + case 'u': + handler.on_dec1_weekday(numeric_system::alternative); + break; + case 'H': + handler.on_24_hour(numeric_system::alternative); + break; + case 'I': + handler.on_12_hour(numeric_system::alternative); + break; + case 'M': + handler.on_minute(numeric_system::alternative); + break; + case 'S': + handler.on_second(numeric_system::alternative); + break; + default: + FMT_THROW(format_error("invalid format")); + } + break; + default: + FMT_THROW(format_error("invalid format")); + } + begin = ptr; } - if (begin != ptr) handler.on_text(begin, ptr); - ++ptr; // consume '%' - if (ptr == end) FMT_THROW(format_error("invalid format")); - c = *ptr++; - switch (c) { - case '%': - handler.on_text(ptr - 1, ptr); - break; - case 'n': { - const char newline[] = "\n"; - handler.on_text(newline, newline + 1); - break; - } - case 't': { - const char tab[] = "\t"; - handler.on_text(tab, tab + 1); - break; - } - // Day of the week: - case 'a': - handler.on_abbr_weekday(); - break; - case 'A': - handler.on_full_weekday(); - break; - case 'w': - handler.on_dec0_weekday(numeric_system::standard); - break; - case 'u': - handler.on_dec1_weekday(numeric_system::standard); - break; - // Month: - case 'b': - handler.on_abbr_month(); - break; - case 'B': - handler.on_full_month(); - break; - // Hour, minute, second: - case 'H': - handler.on_24_hour(numeric_system::standard); - break; - case 'I': - handler.on_12_hour(numeric_system::standard); - break; - case 'M': - handler.on_minute(numeric_system::standard); - break; - case 'S': - handler.on_second(numeric_system::standard); - break; - // Other: - case 'c': - handler.on_datetime(numeric_system::standard); - break; - case 'x': - handler.on_loc_date(numeric_system::standard); - break; - case 'X': - handler.on_loc_time(numeric_system::standard); - break; - case 'D': - handler.on_us_date(); - break; - case 'F': - handler.on_iso_date(); - break; - case 'r': - handler.on_12_hour_time(); - break; - case 'R': - handler.on_24_hour_time(); - break; - case 'T': - handler.on_iso_time(); - break; - case 'p': - handler.on_am_pm(); - break; - case 'Q': - handler.on_duration_value(); - break; - case 'q': - handler.on_duration_unit(); - break; - case 'z': - handler.on_utc_offset(); - break; - case 'Z': - handler.on_tz_name(); - break; - // Alternative representation: - case 'E': { - if (ptr == end) FMT_THROW(format_error("invalid format")); - c = *ptr++; - switch (c) { - case 'c': - handler.on_datetime(numeric_system::alternative); - break; - case 'x': - handler.on_loc_date(numeric_system::alternative); - break; - case 'X': - handler.on_loc_time(numeric_system::alternative); - break; - default: - FMT_THROW(format_error("invalid format")); - } - break; - } - case 'O': - if (ptr == end) FMT_THROW(format_error("invalid format")); - c = *ptr++; - switch (c) { - case 'w': - handler.on_dec0_weekday(numeric_system::alternative); - break; - case 'u': - handler.on_dec1_weekday(numeric_system::alternative); - break; - case 'H': - handler.on_24_hour(numeric_system::alternative); - break; - case 'I': - handler.on_12_hour(numeric_system::alternative); - break; - case 'M': - handler.on_minute(numeric_system::alternative); - break; - case 'S': - handler.on_second(numeric_system::alternative); - break; - default: - FMT_THROW(format_error("invalid format")); - } - break; - default: - FMT_THROW(format_error("invalid format")); - } - begin = ptr; - } - if (begin != ptr) handler.on_text(begin, ptr); - return ptr; + if (begin != ptr) + handler.on_text(begin, ptr); + return ptr; } -struct chrono_format_checker { - FMT_NORETURN void report_no_date() { FMT_THROW(format_error("no date")); } +struct chrono_format_checker +{ + FMT_NORETURN void report_no_date() + { + FMT_THROW(format_error("no date")); + } - template void on_text(const Char*, const Char*) {} - FMT_NORETURN void on_abbr_weekday() { report_no_date(); } - FMT_NORETURN void on_full_weekday() { report_no_date(); } - FMT_NORETURN void on_dec0_weekday(numeric_system) { report_no_date(); } - FMT_NORETURN void on_dec1_weekday(numeric_system) { report_no_date(); } - FMT_NORETURN void on_abbr_month() { report_no_date(); } - FMT_NORETURN void on_full_month() { report_no_date(); } - void on_24_hour(numeric_system) {} - void on_12_hour(numeric_system) {} - void on_minute(numeric_system) {} - void on_second(numeric_system) {} - FMT_NORETURN void on_datetime(numeric_system) { report_no_date(); } - FMT_NORETURN void on_loc_date(numeric_system) { report_no_date(); } - FMT_NORETURN void on_loc_time(numeric_system) { report_no_date(); } - FMT_NORETURN void on_us_date() { report_no_date(); } - FMT_NORETURN void on_iso_date() { report_no_date(); } - void on_12_hour_time() {} - void on_24_hour_time() {} - void on_iso_time() {} - void on_am_pm() {} - void on_duration_value() {} - void on_duration_unit() {} - FMT_NORETURN void on_utc_offset() { report_no_date(); } - FMT_NORETURN void on_tz_name() { report_no_date(); } + template + void on_text(const Char *, const Char *) + {} + FMT_NORETURN void on_abbr_weekday() + { + report_no_date(); + } + FMT_NORETURN void on_full_weekday() + { + report_no_date(); + } + FMT_NORETURN void on_dec0_weekday(numeric_system) + { + report_no_date(); + } + FMT_NORETURN void on_dec1_weekday(numeric_system) + { + report_no_date(); + } + FMT_NORETURN void on_abbr_month() + { + report_no_date(); + } + FMT_NORETURN void on_full_month() + { + report_no_date(); + } + void on_24_hour(numeric_system) {} + void on_12_hour(numeric_system) {} + void on_minute(numeric_system) {} + void on_second(numeric_system) {} + FMT_NORETURN void on_datetime(numeric_system) + { + report_no_date(); + } + FMT_NORETURN void on_loc_date(numeric_system) + { + report_no_date(); + } + FMT_NORETURN void on_loc_time(numeric_system) + { + report_no_date(); + } + FMT_NORETURN void on_us_date() + { + report_no_date(); + } + FMT_NORETURN void on_iso_date() + { + report_no_date(); + } + void on_12_hour_time() {} + void on_24_hour_time() {} + void on_iso_time() {} + void on_am_pm() {} + void on_duration_value() {} + void on_duration_unit() {} + FMT_NORETURN void on_utc_offset() + { + report_no_date(); + } + FMT_NORETURN void on_tz_name() + { + report_no_date(); + } }; -template ::value)> -inline bool isnan(T) { - return false; +template::value)> +inline bool isnan(T) +{ + return false; } -template ::value)> -inline bool isnan(T value) { - return std::isnan(value); +template::value)> +inline bool isnan(T value) +{ + return std::isnan(value); } -template ::value)> -inline bool isfinite(T) { - return true; +template::value)> +inline bool isfinite(T) +{ + return true; } -template ::value)> -inline bool isfinite(T value) { - return std::isfinite(value); +template::value)> +inline bool isfinite(T value) +{ + return std::isfinite(value); } // Converts value to int and checks that it's in the range [0, upper). -template ::value)> -inline int to_nonnegative_int(T value, int upper) { - FMT_ASSERT(value >= 0 && value <= upper, "invalid value"); - (void)upper; - return static_cast(value); +template::value)> +inline int to_nonnegative_int(T value, int upper) +{ + FMT_ASSERT(value >= 0 && value <= upper, "invalid value"); + (void)upper; + return static_cast(value); } -template ::value)> -inline int to_nonnegative_int(T value, int upper) { - FMT_ASSERT( - std::isnan(value) || (value >= 0 && value <= static_cast(upper)), - "invalid value"); - (void)upper; - return static_cast(value); +template::value)> +inline int to_nonnegative_int(T value, int upper) +{ + FMT_ASSERT(std::isnan(value) || (value >= 0 && value <= static_cast(upper)), "invalid value"); + (void)upper; + return static_cast(value); } -template ::value)> -inline T mod(T x, int y) { - return x % static_cast(y); +template::value)> +inline T mod(T x, int y) +{ + return x % static_cast(y); } -template ::value)> -inline T mod(T x, int y) { - return std::fmod(x, static_cast(y)); +template::value)> +inline T mod(T x, int y) +{ + return std::fmod(x, static_cast(y)); } // If T is an integral type, maps T to its unsigned counterpart, otherwise // leaves it unchanged (unlike std::make_unsigned). -template ::value> -struct make_unsigned_or_unchanged { - using type = T; +template::value> +struct make_unsigned_or_unchanged +{ + using type = T; }; -template struct make_unsigned_or_unchanged { - using type = typename std::make_unsigned::type; +template +struct make_unsigned_or_unchanged +{ + using type = typename std::make_unsigned::type; }; #if FMT_SAFE_DURATION_CAST // throwing version of safe_duration_cast -template -To fmt_safe_duration_cast(std::chrono::duration from) { - int ec; - To to = safe_duration_cast::safe_duration_cast(from, ec); - if (ec) FMT_THROW(format_error("cannot format duration")); - return to; +template +To fmt_safe_duration_cast(std::chrono::duration from) +{ + int ec; + To to = safe_duration_cast::safe_duration_cast(from, ec); + if (ec) + FMT_THROW(format_error("cannot format duration")); + return to; } #endif -template ::value)> -inline std::chrono::duration get_milliseconds( - std::chrono::duration d) { - // this may overflow and/or the result may not fit in the - // target type. -#if FMT_SAFE_DURATION_CAST - using CommonSecondsType = - typename std::common_type::type; - const auto d_as_common = fmt_safe_duration_cast(d); - const auto d_as_whole_seconds = - fmt_safe_duration_cast(d_as_common); - // this conversion should be nonproblematic - const auto diff = d_as_common - d_as_whole_seconds; - const auto ms = - fmt_safe_duration_cast>(diff); - return ms; -#else - auto s = std::chrono::duration_cast(d); - return std::chrono::duration_cast(d - s); -#endif -} - -template ::value)> -inline std::chrono::duration get_milliseconds( - std::chrono::duration d) { - using common_type = typename std::common_type::type; - auto ms = mod(d.count() * static_cast(Period::num) / - static_cast(Period::den) * 1000, - 1000); - return std::chrono::duration(static_cast(ms)); -} - -template -OutputIt format_chrono_duration_value(OutputIt out, Rep val, int precision) { - if (precision >= 0) return format_to(out, "{:.{}f}", val, precision); - return format_to(out, std::is_floating_point::value ? "{:g}" : "{}", - val); -} - -template -static OutputIt format_chrono_duration_unit(OutputIt out) { - if (const char* unit = get_units()) return format_to(out, "{}", unit); - if (Period::den == 1) return format_to(out, "[{}]s", Period::num); - return format_to(out, "[{}/{}]s", Period::num, Period::den); -} - -template -struct chrono_formatter { - FormatContext& context; - OutputIt out; - int precision; - // rep is unsigned to avoid overflow. - using rep = - conditional_t::value && sizeof(Rep) < sizeof(int), - unsigned, typename make_unsigned_or_unchanged::type>; - rep val; - using seconds = std::chrono::duration; - seconds s; - using milliseconds = std::chrono::duration; - bool negative; - - using char_type = typename FormatContext::char_type; - - explicit chrono_formatter(FormatContext& ctx, OutputIt o, - std::chrono::duration d) - : context(ctx), - out(o), - val(static_cast(d.count())), - negative(false) { - if (d.count() < 0) { - val = 0 - val; - negative = true; - } - +template::value)> +inline std::chrono::duration get_milliseconds(std::chrono::duration d) +{ // this may overflow and/or the result may not fit in the // target type. #if FMT_SAFE_DURATION_CAST - // might need checked conversion (rep!=Rep) - auto tmpval = std::chrono::duration(val); - s = fmt_safe_duration_cast(tmpval); + using CommonSecondsType = typename std::common_type::type; + const auto d_as_common = fmt_safe_duration_cast(d); + const auto d_as_whole_seconds = fmt_safe_duration_cast(d_as_common); + // this conversion should be nonproblematic + const auto diff = d_as_common - d_as_whole_seconds; + const auto ms = fmt_safe_duration_cast>(diff); + return ms; #else - s = std::chrono::duration_cast( - std::chrono::duration(val)); + auto s = std::chrono::duration_cast(d); + return std::chrono::duration_cast(d - s); #endif - } +} - // returns true if nan or inf, writes to out. - bool handle_nan_inf() { - if (isfinite(val)) { - return false; - } - if (isnan(val)) { - write_nan(); - return true; - } - // must be +-inf - if (val > 0) { - write_pinf(); - } else { - write_ninf(); - } - return true; - } +template::value)> +inline std::chrono::duration get_milliseconds(std::chrono::duration d) +{ + using common_type = typename std::common_type::type; + auto ms = mod(d.count() * static_cast(Period::num) / static_cast(Period::den) * 1000, 1000); + return std::chrono::duration(static_cast(ms)); +} - Rep hour() const { return static_cast(mod((s.count() / 3600), 24)); } +template +OutputIt format_chrono_duration_value(OutputIt out, Rep val, int precision) +{ + if (precision >= 0) + return format_to(out, "{:.{}f}", val, precision); + return format_to(out, std::is_floating_point::value ? "{:g}" : "{}", val); +} - Rep hour12() const { - Rep hour = static_cast(mod((s.count() / 3600), 12)); - return hour <= 0 ? 12 : hour; - } +template +static OutputIt format_chrono_duration_unit(OutputIt out) +{ + if (const char *unit = get_units()) + return format_to(out, "{}", unit); + if (Period::den == 1) + return format_to(out, "[{}]s", Period::num); + return format_to(out, "[{}/{}]s", Period::num, Period::den); +} - Rep minute() const { return static_cast(mod((s.count() / 60), 60)); } - Rep second() const { return static_cast(mod(s.count(), 60)); } +template +struct chrono_formatter +{ + FormatContext &context; + OutputIt out; + int precision; + // rep is unsigned to avoid overflow. + using rep = + conditional_t::value && sizeof(Rep) < sizeof(int), unsigned, typename make_unsigned_or_unchanged::type>; + rep val; + using seconds = std::chrono::duration; + seconds s; + using milliseconds = std::chrono::duration; + bool negative; - std::tm time() const { - auto time = std::tm(); - time.tm_hour = to_nonnegative_int(hour(), 24); - time.tm_min = to_nonnegative_int(minute(), 60); - time.tm_sec = to_nonnegative_int(second(), 60); - return time; - } + using char_type = typename FormatContext::char_type; - void write_sign() { - if (negative) { - *out++ = '-'; - negative = false; - } - } + explicit chrono_formatter(FormatContext &ctx, OutputIt o, std::chrono::duration d) + : context(ctx) + , out(o) + , val(static_cast(d.count())) + , negative(false) + { + if (d.count() < 0) + { + val = 0 - val; + negative = true; + } - void write(Rep value, int width) { - write_sign(); - if (isnan(value)) return write_nan(); - uint32_or_64_or_128_t n = - to_unsigned(to_nonnegative_int(value, max_value())); - int num_digits = internal::count_digits(n); - if (width > num_digits) out = std::fill_n(out, width - num_digits, '0'); - out = format_decimal(out, n, num_digits); - } - - void write_nan() { std::copy_n("nan", 3, out); } - void write_pinf() { std::copy_n("inf", 3, out); } - void write_ninf() { std::copy_n("-inf", 4, out); } - - void format_localized(const tm& time, const char* format) { - if (isnan(val)) return write_nan(); - auto locale = context.locale().template get(); - auto& facet = std::use_facet>(locale); - std::basic_ostringstream os; - os.imbue(locale); - facet.put(os, os, ' ', &time, format, format + std::strlen(format)); - auto str = os.str(); - std::copy(str.begin(), str.end(), out); - } - - void on_text(const char_type* begin, const char_type* end) { - std::copy(begin, end, out); - } - - // These are not implemented because durations don't have date information. - void on_abbr_weekday() {} - void on_full_weekday() {} - void on_dec0_weekday(numeric_system) {} - void on_dec1_weekday(numeric_system) {} - void on_abbr_month() {} - void on_full_month() {} - void on_datetime(numeric_system) {} - void on_loc_date(numeric_system) {} - void on_loc_time(numeric_system) {} - void on_us_date() {} - void on_iso_date() {} - void on_utc_offset() {} - void on_tz_name() {} - - void on_24_hour(numeric_system ns) { - if (handle_nan_inf()) return; - - if (ns == numeric_system::standard) return write(hour(), 2); - auto time = tm(); - time.tm_hour = to_nonnegative_int(hour(), 24); - format_localized(time, "%OH"); - } - - void on_12_hour(numeric_system ns) { - if (handle_nan_inf()) return; - - if (ns == numeric_system::standard) return write(hour12(), 2); - auto time = tm(); - time.tm_hour = to_nonnegative_int(hour12(), 12); - format_localized(time, "%OI"); - } - - void on_minute(numeric_system ns) { - if (handle_nan_inf()) return; - - if (ns == numeric_system::standard) return write(minute(), 2); - auto time = tm(); - time.tm_min = to_nonnegative_int(minute(), 60); - format_localized(time, "%OM"); - } - - void on_second(numeric_system ns) { - if (handle_nan_inf()) return; - - if (ns == numeric_system::standard) { - write(second(), 2); + // this may overflow and/or the result may not fit in the + // target type. #if FMT_SAFE_DURATION_CAST - // convert rep->Rep - using duration_rep = std::chrono::duration; - using duration_Rep = std::chrono::duration; - auto tmpval = fmt_safe_duration_cast(duration_rep{val}); + // might need checked conversion (rep!=Rep) + auto tmpval = std::chrono::duration(val); + s = fmt_safe_duration_cast(tmpval); #else - auto tmpval = std::chrono::duration(val); + s = std::chrono::duration_cast(std::chrono::duration(val)); #endif - auto ms = get_milliseconds(tmpval); - if (ms != std::chrono::milliseconds(0)) { - *out++ = '.'; - write(ms.count(), 3); - } - return; - } - auto time = tm(); - time.tm_sec = to_nonnegative_int(second(), 60); - format_localized(time, "%OS"); - } - - void on_12_hour_time() { - if (handle_nan_inf()) return; - - format_localized(time(), "%r"); - } - - void on_24_hour_time() { - if (handle_nan_inf()) { - *out++ = ':'; - handle_nan_inf(); - return; } - write(hour(), 2); - *out++ = ':'; - write(minute(), 2); - } + // returns true if nan or inf, writes to out. + bool handle_nan_inf() + { + if (isfinite(val)) + { + return false; + } + if (isnan(val)) + { + write_nan(); + return true; + } + // must be +-inf + if (val > 0) + { + write_pinf(); + } + else + { + write_ninf(); + } + return true; + } - void on_iso_time() { - on_24_hour_time(); - *out++ = ':'; - if (handle_nan_inf()) return; - write(second(), 2); - } + Rep hour() const + { + return static_cast(mod((s.count() / 3600), 24)); + } - void on_am_pm() { - if (handle_nan_inf()) return; - format_localized(time(), "%p"); - } + Rep hour12() const + { + Rep hour = static_cast(mod((s.count() / 3600), 12)); + return hour <= 0 ? 12 : hour; + } - void on_duration_value() { - if (handle_nan_inf()) return; - write_sign(); - out = format_chrono_duration_value(out, val, precision); - } + Rep minute() const + { + return static_cast(mod((s.count() / 60), 60)); + } + Rep second() const + { + return static_cast(mod(s.count(), 60)); + } - void on_duration_unit() { out = format_chrono_duration_unit(out); } + std::tm time() const + { + auto time = std::tm(); + time.tm_hour = to_nonnegative_int(hour(), 24); + time.tm_min = to_nonnegative_int(minute(), 60); + time.tm_sec = to_nonnegative_int(second(), 60); + return time; + } + + void write_sign() + { + if (negative) + { + *out++ = '-'; + negative = false; + } + } + + void write(Rep value, int width) + { + write_sign(); + if (isnan(value)) + return write_nan(); + uint32_or_64_or_128_t n = to_unsigned(to_nonnegative_int(value, max_value())); + int num_digits = internal::count_digits(n); + if (width > num_digits) + out = std::fill_n(out, width - num_digits, '0'); + out = format_decimal(out, n, num_digits); + } + + void write_nan() + { + std::copy_n("nan", 3, out); + } + void write_pinf() + { + std::copy_n("inf", 3, out); + } + void write_ninf() + { + std::copy_n("-inf", 4, out); + } + + void format_localized(const tm &time, const char *format) + { + if (isnan(val)) + return write_nan(); + auto locale = context.locale().template get(); + auto &facet = std::use_facet>(locale); + std::basic_ostringstream os; + os.imbue(locale); + facet.put(os, os, ' ', &time, format, format + std::strlen(format)); + auto str = os.str(); + std::copy(str.begin(), str.end(), out); + } + + void on_text(const char_type *begin, const char_type *end) + { + std::copy(begin, end, out); + } + + // These are not implemented because durations don't have date information. + void on_abbr_weekday() {} + void on_full_weekday() {} + void on_dec0_weekday(numeric_system) {} + void on_dec1_weekday(numeric_system) {} + void on_abbr_month() {} + void on_full_month() {} + void on_datetime(numeric_system) {} + void on_loc_date(numeric_system) {} + void on_loc_time(numeric_system) {} + void on_us_date() {} + void on_iso_date() {} + void on_utc_offset() {} + void on_tz_name() {} + + void on_24_hour(numeric_system ns) + { + if (handle_nan_inf()) + return; + + if (ns == numeric_system::standard) + return write(hour(), 2); + auto time = tm(); + time.tm_hour = to_nonnegative_int(hour(), 24); + format_localized(time, "%OH"); + } + + void on_12_hour(numeric_system ns) + { + if (handle_nan_inf()) + return; + + if (ns == numeric_system::standard) + return write(hour12(), 2); + auto time = tm(); + time.tm_hour = to_nonnegative_int(hour12(), 12); + format_localized(time, "%OI"); + } + + void on_minute(numeric_system ns) + { + if (handle_nan_inf()) + return; + + if (ns == numeric_system::standard) + return write(minute(), 2); + auto time = tm(); + time.tm_min = to_nonnegative_int(minute(), 60); + format_localized(time, "%OM"); + } + + void on_second(numeric_system ns) + { + if (handle_nan_inf()) + return; + + if (ns == numeric_system::standard) + { + write(second(), 2); +#if FMT_SAFE_DURATION_CAST + // convert rep->Rep + using duration_rep = std::chrono::duration; + using duration_Rep = std::chrono::duration; + auto tmpval = fmt_safe_duration_cast(duration_rep{val}); +#else + auto tmpval = std::chrono::duration(val); +#endif + auto ms = get_milliseconds(tmpval); + if (ms != std::chrono::milliseconds(0)) + { + *out++ = '.'; + write(ms.count(), 3); + } + return; + } + auto time = tm(); + time.tm_sec = to_nonnegative_int(second(), 60); + format_localized(time, "%OS"); + } + + void on_12_hour_time() + { + if (handle_nan_inf()) + return; + + format_localized(time(), "%r"); + } + + void on_24_hour_time() + { + if (handle_nan_inf()) + { + *out++ = ':'; + handle_nan_inf(); + return; + } + + write(hour(), 2); + *out++ = ':'; + write(minute(), 2); + } + + void on_iso_time() + { + on_24_hour_time(); + *out++ = ':'; + if (handle_nan_inf()) + return; + write(second(), 2); + } + + void on_am_pm() + { + if (handle_nan_inf()) + return; + format_localized(time(), "%p"); + } + + void on_duration_value() + { + if (handle_nan_inf()) + return; + write_sign(); + out = format_chrono_duration_value(out, val, precision); + } + + void on_duration_unit() + { + out = format_chrono_duration_unit(out); + } }; -} // namespace internal +} // namespace internal -template -struct formatter, Char> { - private: - basic_format_specs specs; - int precision; - using arg_ref_type = internal::arg_ref; - arg_ref_type width_ref; - arg_ref_type precision_ref; - mutable basic_string_view format_str; - using duration = std::chrono::duration; +template +struct formatter, Char> +{ +private: + basic_format_specs specs; + int precision; + using arg_ref_type = internal::arg_ref; + arg_ref_type width_ref; + arg_ref_type precision_ref; + mutable basic_string_view format_str; + using duration = std::chrono::duration; - struct spec_handler { - formatter& f; - basic_format_parse_context& context; - basic_string_view format_str; + struct spec_handler + { + formatter &f; + basic_format_parse_context &context; + basic_string_view format_str; - template FMT_CONSTEXPR arg_ref_type make_arg_ref(Id arg_id) { - context.check_arg_id(arg_id); - return arg_ref_type(arg_id); + template + FMT_CONSTEXPR arg_ref_type make_arg_ref(Id arg_id) + { + context.check_arg_id(arg_id); + return arg_ref_type(arg_id); + } + + FMT_CONSTEXPR arg_ref_type make_arg_ref(basic_string_view arg_id) + { + context.check_arg_id(arg_id); + return arg_ref_type(arg_id); + } + + FMT_CONSTEXPR arg_ref_type make_arg_ref(internal::auto_id) + { + return arg_ref_type(context.next_arg_id()); + } + + void on_error(const char *msg) + { + FMT_THROW(format_error(msg)); + } + void on_fill(Char fill) + { + f.specs.fill[0] = fill; + } + void on_align(align_t align) + { + f.specs.align = align; + } + void on_width(int width) + { + f.specs.width = width; + } + void on_precision(int _precision) + { + f.precision = _precision; + } + void end_precision() {} + + template + void on_dynamic_width(Id arg_id) + { + f.width_ref = make_arg_ref(arg_id); + } + + template + void on_dynamic_precision(Id arg_id) + { + f.precision_ref = make_arg_ref(arg_id); + } + }; + + using iterator = typename basic_format_parse_context::iterator; + struct parse_range + { + iterator begin; + iterator end; + }; + + FMT_CONSTEXPR parse_range do_parse(basic_format_parse_context &ctx) + { + auto begin = ctx.begin(), end = ctx.end(); + if (begin == end || *begin == '}') + return {begin, begin}; + spec_handler handler{*this, ctx, format_str}; + begin = internal::parse_align(begin, end, handler); + if (begin == end) + return {begin, begin}; + begin = internal::parse_width(begin, end, handler); + if (begin == end) + return {begin, begin}; + if (*begin == '.') + { + if (std::is_floating_point::value) + begin = internal::parse_precision(begin, end, handler); + else + handler.on_error("precision not allowed for this argument type"); + } + end = parse_chrono_format(begin, end, internal::chrono_format_checker()); + return {begin, end}; } - FMT_CONSTEXPR arg_ref_type make_arg_ref(basic_string_view arg_id) { - context.check_arg_id(arg_id); - return arg_ref_type(arg_id); +public: + formatter() + : precision(-1) + {} + + FMT_CONSTEXPR auto parse(basic_format_parse_context &ctx) -> decltype(ctx.begin()) + { + auto range = do_parse(ctx); + format_str = basic_string_view(&*range.begin, internal::to_unsigned(range.end - range.begin)); + return range.end; } - FMT_CONSTEXPR arg_ref_type make_arg_ref(internal::auto_id) { - return arg_ref_type(context.next_arg_id()); + template + auto format(const duration &d, FormatContext &ctx) -> decltype(ctx.out()) + { + auto begin = format_str.begin(), end = format_str.end(); + // As a possible future optimization, we could avoid extra copying if width + // is not specified. + basic_memory_buffer buf; + auto out = std::back_inserter(buf); + using range = internal::output_range; + internal::basic_writer w(range(ctx.out())); + internal::handle_dynamic_spec(specs.width, width_ref, ctx); + internal::handle_dynamic_spec(precision, precision_ref, ctx); + if (begin == end || *begin == '}') + { + out = internal::format_chrono_duration_value(out, d.count(), precision); + internal::format_chrono_duration_unit(out); + } + else + { + internal::chrono_formatter f(ctx, out, d); + f.precision = precision; + parse_chrono_format(begin, end, f); + } + w.write(buf.data(), buf.size(), specs); + return w.out(); } - - void on_error(const char* msg) { FMT_THROW(format_error(msg)); } - void on_fill(Char fill) { f.specs.fill[0] = fill; } - void on_align(align_t align) { f.specs.align = align; } - void on_width(int width) { f.specs.width = width; } - void on_precision(int _precision) { f.precision = _precision; } - void end_precision() {} - - template void on_dynamic_width(Id arg_id) { - f.width_ref = make_arg_ref(arg_id); - } - - template void on_dynamic_precision(Id arg_id) { - f.precision_ref = make_arg_ref(arg_id); - } - }; - - using iterator = typename basic_format_parse_context::iterator; - struct parse_range { - iterator begin; - iterator end; - }; - - FMT_CONSTEXPR parse_range do_parse(basic_format_parse_context& ctx) { - auto begin = ctx.begin(), end = ctx.end(); - if (begin == end || *begin == '}') return {begin, begin}; - spec_handler handler{*this, ctx, format_str}; - begin = internal::parse_align(begin, end, handler); - if (begin == end) return {begin, begin}; - begin = internal::parse_width(begin, end, handler); - if (begin == end) return {begin, begin}; - if (*begin == '.') { - if (std::is_floating_point::value) - begin = internal::parse_precision(begin, end, handler); - else - handler.on_error("precision not allowed for this argument type"); - } - end = parse_chrono_format(begin, end, internal::chrono_format_checker()); - return {begin, end}; - } - - public: - formatter() : precision(-1) {} - - FMT_CONSTEXPR auto parse(basic_format_parse_context& ctx) - -> decltype(ctx.begin()) { - auto range = do_parse(ctx); - format_str = basic_string_view( - &*range.begin, internal::to_unsigned(range.end - range.begin)); - return range.end; - } - - template - auto format(const duration& d, FormatContext& ctx) -> decltype(ctx.out()) { - auto begin = format_str.begin(), end = format_str.end(); - // As a possible future optimization, we could avoid extra copying if width - // is not specified. - basic_memory_buffer buf; - auto out = std::back_inserter(buf); - using range = internal::output_range; - internal::basic_writer w(range(ctx.out())); - internal::handle_dynamic_spec(specs.width, - width_ref, ctx); - internal::handle_dynamic_spec( - precision, precision_ref, ctx); - if (begin == end || *begin == '}') { - out = internal::format_chrono_duration_value(out, d.count(), precision); - internal::format_chrono_duration_unit(out); - } else { - internal::chrono_formatter f( - ctx, out, d); - f.precision = precision; - parse_chrono_format(begin, end, f); - } - w.write(buf.data(), buf.size(), specs); - return w.out(); - } }; FMT_END_NAMESPACE -#endif // FMT_CHRONO_H_ +#endif // FMT_CHRONO_H_ diff --git a/third_party/spdlog/include/spdlog/fmt/bundled/color.h b/third_party/spdlog/include/spdlog/fmt/bundled/color.h index 362a95e1..a710323c 100644 --- a/third_party/spdlog/include/spdlog/fmt/bundled/color.h +++ b/third_party/spdlog/include/spdlog/fmt/bundled/color.h @@ -12,499 +12,565 @@ FMT_BEGIN_NAMESPACE -enum class color : uint32_t { - alice_blue = 0xF0F8FF, // rgb(240,248,255) - antique_white = 0xFAEBD7, // rgb(250,235,215) - aqua = 0x00FFFF, // rgb(0,255,255) - aquamarine = 0x7FFFD4, // rgb(127,255,212) - azure = 0xF0FFFF, // rgb(240,255,255) - beige = 0xF5F5DC, // rgb(245,245,220) - bisque = 0xFFE4C4, // rgb(255,228,196) - black = 0x000000, // rgb(0,0,0) - blanched_almond = 0xFFEBCD, // rgb(255,235,205) - blue = 0x0000FF, // rgb(0,0,255) - blue_violet = 0x8A2BE2, // rgb(138,43,226) - brown = 0xA52A2A, // rgb(165,42,42) - burly_wood = 0xDEB887, // rgb(222,184,135) - cadet_blue = 0x5F9EA0, // rgb(95,158,160) - chartreuse = 0x7FFF00, // rgb(127,255,0) - chocolate = 0xD2691E, // rgb(210,105,30) - coral = 0xFF7F50, // rgb(255,127,80) - cornflower_blue = 0x6495ED, // rgb(100,149,237) - cornsilk = 0xFFF8DC, // rgb(255,248,220) - crimson = 0xDC143C, // rgb(220,20,60) - cyan = 0x00FFFF, // rgb(0,255,255) - dark_blue = 0x00008B, // rgb(0,0,139) - dark_cyan = 0x008B8B, // rgb(0,139,139) - dark_golden_rod = 0xB8860B, // rgb(184,134,11) - dark_gray = 0xA9A9A9, // rgb(169,169,169) - dark_green = 0x006400, // rgb(0,100,0) - dark_khaki = 0xBDB76B, // rgb(189,183,107) - dark_magenta = 0x8B008B, // rgb(139,0,139) - dark_olive_green = 0x556B2F, // rgb(85,107,47) - dark_orange = 0xFF8C00, // rgb(255,140,0) - dark_orchid = 0x9932CC, // rgb(153,50,204) - dark_red = 0x8B0000, // rgb(139,0,0) - dark_salmon = 0xE9967A, // rgb(233,150,122) - dark_sea_green = 0x8FBC8F, // rgb(143,188,143) - dark_slate_blue = 0x483D8B, // rgb(72,61,139) - dark_slate_gray = 0x2F4F4F, // rgb(47,79,79) - dark_turquoise = 0x00CED1, // rgb(0,206,209) - dark_violet = 0x9400D3, // rgb(148,0,211) - deep_pink = 0xFF1493, // rgb(255,20,147) - deep_sky_blue = 0x00BFFF, // rgb(0,191,255) - dim_gray = 0x696969, // rgb(105,105,105) - dodger_blue = 0x1E90FF, // rgb(30,144,255) - fire_brick = 0xB22222, // rgb(178,34,34) - floral_white = 0xFFFAF0, // rgb(255,250,240) - forest_green = 0x228B22, // rgb(34,139,34) - fuchsia = 0xFF00FF, // rgb(255,0,255) - gainsboro = 0xDCDCDC, // rgb(220,220,220) - ghost_white = 0xF8F8FF, // rgb(248,248,255) - gold = 0xFFD700, // rgb(255,215,0) - golden_rod = 0xDAA520, // rgb(218,165,32) - gray = 0x808080, // rgb(128,128,128) - green = 0x008000, // rgb(0,128,0) - green_yellow = 0xADFF2F, // rgb(173,255,47) - honey_dew = 0xF0FFF0, // rgb(240,255,240) - hot_pink = 0xFF69B4, // rgb(255,105,180) - indian_red = 0xCD5C5C, // rgb(205,92,92) - indigo = 0x4B0082, // rgb(75,0,130) - ivory = 0xFFFFF0, // rgb(255,255,240) - khaki = 0xF0E68C, // rgb(240,230,140) - lavender = 0xE6E6FA, // rgb(230,230,250) - lavender_blush = 0xFFF0F5, // rgb(255,240,245) - lawn_green = 0x7CFC00, // rgb(124,252,0) - lemon_chiffon = 0xFFFACD, // rgb(255,250,205) - light_blue = 0xADD8E6, // rgb(173,216,230) - light_coral = 0xF08080, // rgb(240,128,128) - light_cyan = 0xE0FFFF, // rgb(224,255,255) - light_golden_rod_yellow = 0xFAFAD2, // rgb(250,250,210) - light_gray = 0xD3D3D3, // rgb(211,211,211) - light_green = 0x90EE90, // rgb(144,238,144) - light_pink = 0xFFB6C1, // rgb(255,182,193) - light_salmon = 0xFFA07A, // rgb(255,160,122) - light_sea_green = 0x20B2AA, // rgb(32,178,170) - light_sky_blue = 0x87CEFA, // rgb(135,206,250) - light_slate_gray = 0x778899, // rgb(119,136,153) - light_steel_blue = 0xB0C4DE, // rgb(176,196,222) - light_yellow = 0xFFFFE0, // rgb(255,255,224) - lime = 0x00FF00, // rgb(0,255,0) - lime_green = 0x32CD32, // rgb(50,205,50) - linen = 0xFAF0E6, // rgb(250,240,230) - magenta = 0xFF00FF, // rgb(255,0,255) - maroon = 0x800000, // rgb(128,0,0) - medium_aquamarine = 0x66CDAA, // rgb(102,205,170) - medium_blue = 0x0000CD, // rgb(0,0,205) - medium_orchid = 0xBA55D3, // rgb(186,85,211) - medium_purple = 0x9370DB, // rgb(147,112,219) - medium_sea_green = 0x3CB371, // rgb(60,179,113) - medium_slate_blue = 0x7B68EE, // rgb(123,104,238) - medium_spring_green = 0x00FA9A, // rgb(0,250,154) - medium_turquoise = 0x48D1CC, // rgb(72,209,204) - medium_violet_red = 0xC71585, // rgb(199,21,133) - midnight_blue = 0x191970, // rgb(25,25,112) - mint_cream = 0xF5FFFA, // rgb(245,255,250) - misty_rose = 0xFFE4E1, // rgb(255,228,225) - moccasin = 0xFFE4B5, // rgb(255,228,181) - navajo_white = 0xFFDEAD, // rgb(255,222,173) - navy = 0x000080, // rgb(0,0,128) - old_lace = 0xFDF5E6, // rgb(253,245,230) - olive = 0x808000, // rgb(128,128,0) - olive_drab = 0x6B8E23, // rgb(107,142,35) - orange = 0xFFA500, // rgb(255,165,0) - orange_red = 0xFF4500, // rgb(255,69,0) - orchid = 0xDA70D6, // rgb(218,112,214) - pale_golden_rod = 0xEEE8AA, // rgb(238,232,170) - pale_green = 0x98FB98, // rgb(152,251,152) - pale_turquoise = 0xAFEEEE, // rgb(175,238,238) - pale_violet_red = 0xDB7093, // rgb(219,112,147) - papaya_whip = 0xFFEFD5, // rgb(255,239,213) - peach_puff = 0xFFDAB9, // rgb(255,218,185) - peru = 0xCD853F, // rgb(205,133,63) - pink = 0xFFC0CB, // rgb(255,192,203) - plum = 0xDDA0DD, // rgb(221,160,221) - powder_blue = 0xB0E0E6, // rgb(176,224,230) - purple = 0x800080, // rgb(128,0,128) - rebecca_purple = 0x663399, // rgb(102,51,153) - red = 0xFF0000, // rgb(255,0,0) - rosy_brown = 0xBC8F8F, // rgb(188,143,143) - royal_blue = 0x4169E1, // rgb(65,105,225) - saddle_brown = 0x8B4513, // rgb(139,69,19) - salmon = 0xFA8072, // rgb(250,128,114) - sandy_brown = 0xF4A460, // rgb(244,164,96) - sea_green = 0x2E8B57, // rgb(46,139,87) - sea_shell = 0xFFF5EE, // rgb(255,245,238) - sienna = 0xA0522D, // rgb(160,82,45) - silver = 0xC0C0C0, // rgb(192,192,192) - sky_blue = 0x87CEEB, // rgb(135,206,235) - slate_blue = 0x6A5ACD, // rgb(106,90,205) - slate_gray = 0x708090, // rgb(112,128,144) - snow = 0xFFFAFA, // rgb(255,250,250) - spring_green = 0x00FF7F, // rgb(0,255,127) - steel_blue = 0x4682B4, // rgb(70,130,180) - tan = 0xD2B48C, // rgb(210,180,140) - teal = 0x008080, // rgb(0,128,128) - thistle = 0xD8BFD8, // rgb(216,191,216) - tomato = 0xFF6347, // rgb(255,99,71) - turquoise = 0x40E0D0, // rgb(64,224,208) - violet = 0xEE82EE, // rgb(238,130,238) - wheat = 0xF5DEB3, // rgb(245,222,179) - white = 0xFFFFFF, // rgb(255,255,255) - white_smoke = 0xF5F5F5, // rgb(245,245,245) - yellow = 0xFFFF00, // rgb(255,255,0) - yellow_green = 0x9ACD32 // rgb(154,205,50) -}; // enum class color +enum class color : uint32_t +{ + alice_blue = 0xF0F8FF, // rgb(240,248,255) + antique_white = 0xFAEBD7, // rgb(250,235,215) + aqua = 0x00FFFF, // rgb(0,255,255) + aquamarine = 0x7FFFD4, // rgb(127,255,212) + azure = 0xF0FFFF, // rgb(240,255,255) + beige = 0xF5F5DC, // rgb(245,245,220) + bisque = 0xFFE4C4, // rgb(255,228,196) + black = 0x000000, // rgb(0,0,0) + blanched_almond = 0xFFEBCD, // rgb(255,235,205) + blue = 0x0000FF, // rgb(0,0,255) + blue_violet = 0x8A2BE2, // rgb(138,43,226) + brown = 0xA52A2A, // rgb(165,42,42) + burly_wood = 0xDEB887, // rgb(222,184,135) + cadet_blue = 0x5F9EA0, // rgb(95,158,160) + chartreuse = 0x7FFF00, // rgb(127,255,0) + chocolate = 0xD2691E, // rgb(210,105,30) + coral = 0xFF7F50, // rgb(255,127,80) + cornflower_blue = 0x6495ED, // rgb(100,149,237) + cornsilk = 0xFFF8DC, // rgb(255,248,220) + crimson = 0xDC143C, // rgb(220,20,60) + cyan = 0x00FFFF, // rgb(0,255,255) + dark_blue = 0x00008B, // rgb(0,0,139) + dark_cyan = 0x008B8B, // rgb(0,139,139) + dark_golden_rod = 0xB8860B, // rgb(184,134,11) + dark_gray = 0xA9A9A9, // rgb(169,169,169) + dark_green = 0x006400, // rgb(0,100,0) + dark_khaki = 0xBDB76B, // rgb(189,183,107) + dark_magenta = 0x8B008B, // rgb(139,0,139) + dark_olive_green = 0x556B2F, // rgb(85,107,47) + dark_orange = 0xFF8C00, // rgb(255,140,0) + dark_orchid = 0x9932CC, // rgb(153,50,204) + dark_red = 0x8B0000, // rgb(139,0,0) + dark_salmon = 0xE9967A, // rgb(233,150,122) + dark_sea_green = 0x8FBC8F, // rgb(143,188,143) + dark_slate_blue = 0x483D8B, // rgb(72,61,139) + dark_slate_gray = 0x2F4F4F, // rgb(47,79,79) + dark_turquoise = 0x00CED1, // rgb(0,206,209) + dark_violet = 0x9400D3, // rgb(148,0,211) + deep_pink = 0xFF1493, // rgb(255,20,147) + deep_sky_blue = 0x00BFFF, // rgb(0,191,255) + dim_gray = 0x696969, // rgb(105,105,105) + dodger_blue = 0x1E90FF, // rgb(30,144,255) + fire_brick = 0xB22222, // rgb(178,34,34) + floral_white = 0xFFFAF0, // rgb(255,250,240) + forest_green = 0x228B22, // rgb(34,139,34) + fuchsia = 0xFF00FF, // rgb(255,0,255) + gainsboro = 0xDCDCDC, // rgb(220,220,220) + ghost_white = 0xF8F8FF, // rgb(248,248,255) + gold = 0xFFD700, // rgb(255,215,0) + golden_rod = 0xDAA520, // rgb(218,165,32) + gray = 0x808080, // rgb(128,128,128) + green = 0x008000, // rgb(0,128,0) + green_yellow = 0xADFF2F, // rgb(173,255,47) + honey_dew = 0xF0FFF0, // rgb(240,255,240) + hot_pink = 0xFF69B4, // rgb(255,105,180) + indian_red = 0xCD5C5C, // rgb(205,92,92) + indigo = 0x4B0082, // rgb(75,0,130) + ivory = 0xFFFFF0, // rgb(255,255,240) + khaki = 0xF0E68C, // rgb(240,230,140) + lavender = 0xE6E6FA, // rgb(230,230,250) + lavender_blush = 0xFFF0F5, // rgb(255,240,245) + lawn_green = 0x7CFC00, // rgb(124,252,0) + lemon_chiffon = 0xFFFACD, // rgb(255,250,205) + light_blue = 0xADD8E6, // rgb(173,216,230) + light_coral = 0xF08080, // rgb(240,128,128) + light_cyan = 0xE0FFFF, // rgb(224,255,255) + light_golden_rod_yellow = 0xFAFAD2, // rgb(250,250,210) + light_gray = 0xD3D3D3, // rgb(211,211,211) + light_green = 0x90EE90, // rgb(144,238,144) + light_pink = 0xFFB6C1, // rgb(255,182,193) + light_salmon = 0xFFA07A, // rgb(255,160,122) + light_sea_green = 0x20B2AA, // rgb(32,178,170) + light_sky_blue = 0x87CEFA, // rgb(135,206,250) + light_slate_gray = 0x778899, // rgb(119,136,153) + light_steel_blue = 0xB0C4DE, // rgb(176,196,222) + light_yellow = 0xFFFFE0, // rgb(255,255,224) + lime = 0x00FF00, // rgb(0,255,0) + lime_green = 0x32CD32, // rgb(50,205,50) + linen = 0xFAF0E6, // rgb(250,240,230) + magenta = 0xFF00FF, // rgb(255,0,255) + maroon = 0x800000, // rgb(128,0,0) + medium_aquamarine = 0x66CDAA, // rgb(102,205,170) + medium_blue = 0x0000CD, // rgb(0,0,205) + medium_orchid = 0xBA55D3, // rgb(186,85,211) + medium_purple = 0x9370DB, // rgb(147,112,219) + medium_sea_green = 0x3CB371, // rgb(60,179,113) + medium_slate_blue = 0x7B68EE, // rgb(123,104,238) + medium_spring_green = 0x00FA9A, // rgb(0,250,154) + medium_turquoise = 0x48D1CC, // rgb(72,209,204) + medium_violet_red = 0xC71585, // rgb(199,21,133) + midnight_blue = 0x191970, // rgb(25,25,112) + mint_cream = 0xF5FFFA, // rgb(245,255,250) + misty_rose = 0xFFE4E1, // rgb(255,228,225) + moccasin = 0xFFE4B5, // rgb(255,228,181) + navajo_white = 0xFFDEAD, // rgb(255,222,173) + navy = 0x000080, // rgb(0,0,128) + old_lace = 0xFDF5E6, // rgb(253,245,230) + olive = 0x808000, // rgb(128,128,0) + olive_drab = 0x6B8E23, // rgb(107,142,35) + orange = 0xFFA500, // rgb(255,165,0) + orange_red = 0xFF4500, // rgb(255,69,0) + orchid = 0xDA70D6, // rgb(218,112,214) + pale_golden_rod = 0xEEE8AA, // rgb(238,232,170) + pale_green = 0x98FB98, // rgb(152,251,152) + pale_turquoise = 0xAFEEEE, // rgb(175,238,238) + pale_violet_red = 0xDB7093, // rgb(219,112,147) + papaya_whip = 0xFFEFD5, // rgb(255,239,213) + peach_puff = 0xFFDAB9, // rgb(255,218,185) + peru = 0xCD853F, // rgb(205,133,63) + pink = 0xFFC0CB, // rgb(255,192,203) + plum = 0xDDA0DD, // rgb(221,160,221) + powder_blue = 0xB0E0E6, // rgb(176,224,230) + purple = 0x800080, // rgb(128,0,128) + rebecca_purple = 0x663399, // rgb(102,51,153) + red = 0xFF0000, // rgb(255,0,0) + rosy_brown = 0xBC8F8F, // rgb(188,143,143) + royal_blue = 0x4169E1, // rgb(65,105,225) + saddle_brown = 0x8B4513, // rgb(139,69,19) + salmon = 0xFA8072, // rgb(250,128,114) + sandy_brown = 0xF4A460, // rgb(244,164,96) + sea_green = 0x2E8B57, // rgb(46,139,87) + sea_shell = 0xFFF5EE, // rgb(255,245,238) + sienna = 0xA0522D, // rgb(160,82,45) + silver = 0xC0C0C0, // rgb(192,192,192) + sky_blue = 0x87CEEB, // rgb(135,206,235) + slate_blue = 0x6A5ACD, // rgb(106,90,205) + slate_gray = 0x708090, // rgb(112,128,144) + snow = 0xFFFAFA, // rgb(255,250,250) + spring_green = 0x00FF7F, // rgb(0,255,127) + steel_blue = 0x4682B4, // rgb(70,130,180) + tan = 0xD2B48C, // rgb(210,180,140) + teal = 0x008080, // rgb(0,128,128) + thistle = 0xD8BFD8, // rgb(216,191,216) + tomato = 0xFF6347, // rgb(255,99,71) + turquoise = 0x40E0D0, // rgb(64,224,208) + violet = 0xEE82EE, // rgb(238,130,238) + wheat = 0xF5DEB3, // rgb(245,222,179) + white = 0xFFFFFF, // rgb(255,255,255) + white_smoke = 0xF5F5F5, // rgb(245,245,245) + yellow = 0xFFFF00, // rgb(255,255,0) + yellow_green = 0x9ACD32 // rgb(154,205,50) +}; // enum class color -enum class terminal_color : uint8_t { - black = 30, - red, - green, - yellow, - blue, - magenta, - cyan, - white, - bright_black = 90, - bright_red, - bright_green, - bright_yellow, - bright_blue, - bright_magenta, - bright_cyan, - bright_white +enum class terminal_color : uint8_t +{ + black = 30, + red, + green, + yellow, + blue, + magenta, + cyan, + white, + bright_black = 90, + bright_red, + bright_green, + bright_yellow, + bright_blue, + bright_magenta, + bright_cyan, + bright_white }; -enum class emphasis : uint8_t { - bold = 1, - italic = 1 << 1, - underline = 1 << 2, - strikethrough = 1 << 3 +enum class emphasis : uint8_t +{ + bold = 1, + italic = 1 << 1, + underline = 1 << 2, + strikethrough = 1 << 3 }; // rgb is a struct for red, green and blue colors. // Using the name "rgb" makes some editors show the color in a tooltip. -struct rgb { - FMT_CONSTEXPR rgb() : r(0), g(0), b(0) {} - FMT_CONSTEXPR rgb(uint8_t r_, uint8_t g_, uint8_t b_) : r(r_), g(g_), b(b_) {} - FMT_CONSTEXPR rgb(uint32_t hex) - : r((hex >> 16) & 0xFF), g((hex >> 8) & 0xFF), b(hex & 0xFF) {} - FMT_CONSTEXPR rgb(color hex) - : r((uint32_t(hex) >> 16) & 0xFF), - g((uint32_t(hex) >> 8) & 0xFF), - b(uint32_t(hex) & 0xFF) {} - uint8_t r; - uint8_t g; - uint8_t b; +struct rgb +{ + FMT_CONSTEXPR rgb() + : r(0) + , g(0) + , b(0) + {} + FMT_CONSTEXPR rgb(uint8_t r_, uint8_t g_, uint8_t b_) + : r(r_) + , g(g_) + , b(b_) + {} + FMT_CONSTEXPR rgb(uint32_t hex) + : r((hex >> 16) & 0xFF) + , g((hex >> 8) & 0xFF) + , b(hex & 0xFF) + {} + FMT_CONSTEXPR rgb(color hex) + : r((uint32_t(hex) >> 16) & 0xFF) + , g((uint32_t(hex) >> 8) & 0xFF) + , b(uint32_t(hex) & 0xFF) + {} + uint8_t r; + uint8_t g; + uint8_t b; }; namespace internal { // color is a struct of either a rgb color or a terminal color. -struct color_type { - FMT_CONSTEXPR color_type() FMT_NOEXCEPT : is_rgb(), value{} {} - FMT_CONSTEXPR color_type(color rgb_color) FMT_NOEXCEPT : is_rgb(true), - value{} { - value.rgb_color = static_cast(rgb_color); - } - FMT_CONSTEXPR color_type(rgb rgb_color) FMT_NOEXCEPT : is_rgb(true), value{} { - value.rgb_color = (static_cast(rgb_color.r) << 16) | - (static_cast(rgb_color.g) << 8) | rgb_color.b; - } - FMT_CONSTEXPR color_type(terminal_color term_color) FMT_NOEXCEPT : is_rgb(), - value{} { - value.term_color = static_cast(term_color); - } - bool is_rgb; - union color_union { - uint8_t term_color; - uint32_t rgb_color; - } value; +struct color_type +{ + FMT_CONSTEXPR color_type() FMT_NOEXCEPT : is_rgb(), value{} {} + FMT_CONSTEXPR color_type(color rgb_color) FMT_NOEXCEPT : is_rgb(true), value{} + { + value.rgb_color = static_cast(rgb_color); + } + FMT_CONSTEXPR color_type(rgb rgb_color) FMT_NOEXCEPT : is_rgb(true), value{} + { + value.rgb_color = (static_cast(rgb_color.r) << 16) | (static_cast(rgb_color.g) << 8) | rgb_color.b; + } + FMT_CONSTEXPR color_type(terminal_color term_color) FMT_NOEXCEPT : is_rgb(), value{} + { + value.term_color = static_cast(term_color); + } + bool is_rgb; + union color_union + { + uint8_t term_color; + uint32_t rgb_color; + } value; }; -} // namespace internal +} // namespace internal // Experimental text formatting support. -class text_style { - public: - FMT_CONSTEXPR text_style(emphasis em = emphasis()) FMT_NOEXCEPT - : set_foreground_color(), - set_background_color(), - ems(em) {} +class text_style +{ +public: + FMT_CONSTEXPR text_style(emphasis em = emphasis()) FMT_NOEXCEPT : set_foreground_color(), set_background_color(), ems(em) {} - FMT_CONSTEXPR text_style& operator|=(const text_style& rhs) { - if (!set_foreground_color) { - set_foreground_color = rhs.set_foreground_color; - foreground_color = rhs.foreground_color; - } else if (rhs.set_foreground_color) { - if (!foreground_color.is_rgb || !rhs.foreground_color.is_rgb) - FMT_THROW(format_error("can't OR a terminal color")); - foreground_color.value.rgb_color |= rhs.foreground_color.value.rgb_color; + FMT_CONSTEXPR text_style &operator|=(const text_style &rhs) + { + if (!set_foreground_color) + { + set_foreground_color = rhs.set_foreground_color; + foreground_color = rhs.foreground_color; + } + else if (rhs.set_foreground_color) + { + if (!foreground_color.is_rgb || !rhs.foreground_color.is_rgb) + FMT_THROW(format_error("can't OR a terminal color")); + foreground_color.value.rgb_color |= rhs.foreground_color.value.rgb_color; + } + + if (!set_background_color) + { + set_background_color = rhs.set_background_color; + background_color = rhs.background_color; + } + else if (rhs.set_background_color) + { + if (!background_color.is_rgb || !rhs.background_color.is_rgb) + FMT_THROW(format_error("can't OR a terminal color")); + background_color.value.rgb_color |= rhs.background_color.value.rgb_color; + } + + ems = static_cast(static_cast(ems) | static_cast(rhs.ems)); + return *this; } - if (!set_background_color) { - set_background_color = rhs.set_background_color; - background_color = rhs.background_color; - } else if (rhs.set_background_color) { - if (!background_color.is_rgb || !rhs.background_color.is_rgb) - FMT_THROW(format_error("can't OR a terminal color")); - background_color.value.rgb_color |= rhs.background_color.value.rgb_color; + friend FMT_CONSTEXPR text_style operator|(text_style lhs, const text_style &rhs) + { + return lhs |= rhs; } - ems = static_cast(static_cast(ems) | - static_cast(rhs.ems)); - return *this; - } + FMT_CONSTEXPR text_style &operator&=(const text_style &rhs) + { + if (!set_foreground_color) + { + set_foreground_color = rhs.set_foreground_color; + foreground_color = rhs.foreground_color; + } + else if (rhs.set_foreground_color) + { + if (!foreground_color.is_rgb || !rhs.foreground_color.is_rgb) + FMT_THROW(format_error("can't AND a terminal color")); + foreground_color.value.rgb_color &= rhs.foreground_color.value.rgb_color; + } - friend FMT_CONSTEXPR text_style operator|(text_style lhs, - const text_style& rhs) { - return lhs |= rhs; - } + if (!set_background_color) + { + set_background_color = rhs.set_background_color; + background_color = rhs.background_color; + } + else if (rhs.set_background_color) + { + if (!background_color.is_rgb || !rhs.background_color.is_rgb) + FMT_THROW(format_error("can't AND a terminal color")); + background_color.value.rgb_color &= rhs.background_color.value.rgb_color; + } - FMT_CONSTEXPR text_style& operator&=(const text_style& rhs) { - if (!set_foreground_color) { - set_foreground_color = rhs.set_foreground_color; - foreground_color = rhs.foreground_color; - } else if (rhs.set_foreground_color) { - if (!foreground_color.is_rgb || !rhs.foreground_color.is_rgb) - FMT_THROW(format_error("can't AND a terminal color")); - foreground_color.value.rgb_color &= rhs.foreground_color.value.rgb_color; + ems = static_cast(static_cast(ems) & static_cast(rhs.ems)); + return *this; } - if (!set_background_color) { - set_background_color = rhs.set_background_color; - background_color = rhs.background_color; - } else if (rhs.set_background_color) { - if (!background_color.is_rgb || !rhs.background_color.is_rgb) - FMT_THROW(format_error("can't AND a terminal color")); - background_color.value.rgb_color &= rhs.background_color.value.rgb_color; + friend FMT_CONSTEXPR text_style operator&(text_style lhs, const text_style &rhs) + { + return lhs &= rhs; } - ems = static_cast(static_cast(ems) & - static_cast(rhs.ems)); - return *this; - } - - friend FMT_CONSTEXPR text_style operator&(text_style lhs, - const text_style& rhs) { - return lhs &= rhs; - } - - FMT_CONSTEXPR bool has_foreground() const FMT_NOEXCEPT { - return set_foreground_color; - } - FMT_CONSTEXPR bool has_background() const FMT_NOEXCEPT { - return set_background_color; - } - FMT_CONSTEXPR bool has_emphasis() const FMT_NOEXCEPT { - return static_cast(ems) != 0; - } - FMT_CONSTEXPR internal::color_type get_foreground() const FMT_NOEXCEPT { - FMT_ASSERT(has_foreground(), "no foreground specified for this style"); - return foreground_color; - } - FMT_CONSTEXPR internal::color_type get_background() const FMT_NOEXCEPT { - FMT_ASSERT(has_background(), "no background specified for this style"); - return background_color; - } - FMT_CONSTEXPR emphasis get_emphasis() const FMT_NOEXCEPT { - FMT_ASSERT(has_emphasis(), "no emphasis specified for this style"); - return ems; - } - - private: - FMT_CONSTEXPR text_style(bool is_foreground, - internal::color_type text_color) FMT_NOEXCEPT - : set_foreground_color(), - set_background_color(), - ems() { - if (is_foreground) { - foreground_color = text_color; - set_foreground_color = true; - } else { - background_color = text_color; - set_background_color = true; + FMT_CONSTEXPR bool has_foreground() const FMT_NOEXCEPT + { + return set_foreground_color; + } + FMT_CONSTEXPR bool has_background() const FMT_NOEXCEPT + { + return set_background_color; + } + FMT_CONSTEXPR bool has_emphasis() const FMT_NOEXCEPT + { + return static_cast(ems) != 0; + } + FMT_CONSTEXPR internal::color_type get_foreground() const FMT_NOEXCEPT + { + FMT_ASSERT(has_foreground(), "no foreground specified for this style"); + return foreground_color; + } + FMT_CONSTEXPR internal::color_type get_background() const FMT_NOEXCEPT + { + FMT_ASSERT(has_background(), "no background specified for this style"); + return background_color; + } + FMT_CONSTEXPR emphasis get_emphasis() const FMT_NOEXCEPT + { + FMT_ASSERT(has_emphasis(), "no emphasis specified for this style"); + return ems; } - } - friend FMT_CONSTEXPR_DECL text_style fg(internal::color_type foreground) - FMT_NOEXCEPT; - friend FMT_CONSTEXPR_DECL text_style bg(internal::color_type background) - FMT_NOEXCEPT; +private: + FMT_CONSTEXPR text_style(bool is_foreground, internal::color_type text_color) FMT_NOEXCEPT : set_foreground_color(), + set_background_color(), + ems() + { + if (is_foreground) + { + foreground_color = text_color; + set_foreground_color = true; + } + else + { + background_color = text_color; + set_background_color = true; + } + } - internal::color_type foreground_color; - internal::color_type background_color; - bool set_foreground_color; - bool set_background_color; - emphasis ems; + friend FMT_CONSTEXPR_DECL text_style fg(internal::color_type foreground) FMT_NOEXCEPT; + friend FMT_CONSTEXPR_DECL text_style bg(internal::color_type background) FMT_NOEXCEPT; + + internal::color_type foreground_color; + internal::color_type background_color; + bool set_foreground_color; + bool set_background_color; + emphasis ems; }; -FMT_CONSTEXPR text_style fg(internal::color_type foreground) FMT_NOEXCEPT { - return text_style(/*is_foreground=*/true, foreground); +FMT_CONSTEXPR text_style fg(internal::color_type foreground) FMT_NOEXCEPT +{ + return text_style(/*is_foreground=*/true, foreground); } -FMT_CONSTEXPR text_style bg(internal::color_type background) FMT_NOEXCEPT { - return text_style(/*is_foreground=*/false, background); +FMT_CONSTEXPR text_style bg(internal::color_type background) FMT_NOEXCEPT +{ + return text_style(/*is_foreground=*/false, background); } -FMT_CONSTEXPR text_style operator|(emphasis lhs, emphasis rhs) FMT_NOEXCEPT { - return text_style(lhs) | rhs; +FMT_CONSTEXPR text_style operator|(emphasis lhs, emphasis rhs) FMT_NOEXCEPT +{ + return text_style(lhs) | rhs; } namespace internal { -template struct ansi_color_escape { - FMT_CONSTEXPR ansi_color_escape(internal::color_type text_color, - const char* esc) FMT_NOEXCEPT { - // If we have a terminal color, we need to output another escape code - // sequence. - if (!text_color.is_rgb) { - bool is_background = esc == internal::data::background_color; - uint32_t value = text_color.value.term_color; - // Background ASCII codes are the same as the foreground ones but with - // 10 more. - if (is_background) value += 10u; +template +struct ansi_color_escape +{ + FMT_CONSTEXPR ansi_color_escape(internal::color_type text_color, const char *esc) FMT_NOEXCEPT + { + // If we have a terminal color, we need to output another escape code + // sequence. + if (!text_color.is_rgb) + { + bool is_background = esc == internal::data::background_color; + uint32_t value = text_color.value.term_color; + // Background ASCII codes are the same as the foreground ones but with + // 10 more. + if (is_background) + value += 10u; - std::size_t index = 0; - buffer[index++] = static_cast('\x1b'); - buffer[index++] = static_cast('['); + std::size_t index = 0; + buffer[index++] = static_cast('\x1b'); + buffer[index++] = static_cast('['); - if (value >= 100u) { - buffer[index++] = static_cast('1'); - value %= 100u; - } - buffer[index++] = static_cast('0' + value / 10u); - buffer[index++] = static_cast('0' + value % 10u); + if (value >= 100u) + { + buffer[index++] = static_cast('1'); + value %= 100u; + } + buffer[index++] = static_cast('0' + value / 10u); + buffer[index++] = static_cast('0' + value % 10u); - buffer[index++] = static_cast('m'); - buffer[index++] = static_cast('\0'); - return; + buffer[index++] = static_cast('m'); + buffer[index++] = static_cast('\0'); + return; + } + + for (int i = 0; i < 7; i++) + { + buffer[i] = static_cast(esc[i]); + } + rgb color(text_color.value.rgb_color); + to_esc(color.r, buffer + 7, ';'); + to_esc(color.g, buffer + 11, ';'); + to_esc(color.b, buffer + 15, 'm'); + buffer[19] = static_cast(0); + } + FMT_CONSTEXPR ansi_color_escape(emphasis em) FMT_NOEXCEPT + { + uint8_t em_codes[4] = {}; + uint8_t em_bits = static_cast(em); + if (em_bits & static_cast(emphasis::bold)) + em_codes[0] = 1; + if (em_bits & static_cast(emphasis::italic)) + em_codes[1] = 3; + if (em_bits & static_cast(emphasis::underline)) + em_codes[2] = 4; + if (em_bits & static_cast(emphasis::strikethrough)) + em_codes[3] = 9; + + std::size_t index = 0; + for (int i = 0; i < 4; ++i) + { + if (!em_codes[i]) + continue; + buffer[index++] = static_cast('\x1b'); + buffer[index++] = static_cast('['); + buffer[index++] = static_cast('0' + em_codes[i]); + buffer[index++] = static_cast('m'); + } + buffer[index++] = static_cast(0); + } + FMT_CONSTEXPR operator const Char *() const FMT_NOEXCEPT + { + return buffer; } - for (int i = 0; i < 7; i++) { - buffer[i] = static_cast(esc[i]); + FMT_CONSTEXPR const Char *begin() const FMT_NOEXCEPT + { + return buffer; } - rgb color(text_color.value.rgb_color); - to_esc(color.r, buffer + 7, ';'); - to_esc(color.g, buffer + 11, ';'); - to_esc(color.b, buffer + 15, 'm'); - buffer[19] = static_cast(0); - } - FMT_CONSTEXPR ansi_color_escape(emphasis em) FMT_NOEXCEPT { - uint8_t em_codes[4] = {}; - uint8_t em_bits = static_cast(em); - if (em_bits & static_cast(emphasis::bold)) em_codes[0] = 1; - if (em_bits & static_cast(emphasis::italic)) em_codes[1] = 3; - if (em_bits & static_cast(emphasis::underline)) em_codes[2] = 4; - if (em_bits & static_cast(emphasis::strikethrough)) - em_codes[3] = 9; - - std::size_t index = 0; - for (int i = 0; i < 4; ++i) { - if (!em_codes[i]) continue; - buffer[index++] = static_cast('\x1b'); - buffer[index++] = static_cast('['); - buffer[index++] = static_cast('0' + em_codes[i]); - buffer[index++] = static_cast('m'); + FMT_CONSTEXPR const Char *end() const FMT_NOEXCEPT + { + return buffer + std::strlen(buffer); } - buffer[index++] = static_cast(0); - } - FMT_CONSTEXPR operator const Char*() const FMT_NOEXCEPT { return buffer; } - FMT_CONSTEXPR const Char* begin() const FMT_NOEXCEPT { return buffer; } - FMT_CONSTEXPR const Char* end() const FMT_NOEXCEPT { - return buffer + std::strlen(buffer); - } +private: + Char buffer[7u + 3u * 4u + 1u]; - private: - Char buffer[7u + 3u * 4u + 1u]; - - static FMT_CONSTEXPR void to_esc(uint8_t c, Char* out, - char delimiter) FMT_NOEXCEPT { - out[0] = static_cast('0' + c / 100); - out[1] = static_cast('0' + c / 10 % 10); - out[2] = static_cast('0' + c % 10); - out[3] = static_cast(delimiter); - } + static FMT_CONSTEXPR void to_esc(uint8_t c, Char *out, char delimiter) FMT_NOEXCEPT + { + out[0] = static_cast('0' + c / 100); + out[1] = static_cast('0' + c / 10 % 10); + out[2] = static_cast('0' + c % 10); + out[3] = static_cast(delimiter); + } }; -template -FMT_CONSTEXPR ansi_color_escape make_foreground_color( - internal::color_type foreground) FMT_NOEXCEPT { - return ansi_color_escape(foreground, internal::data::foreground_color); +template +FMT_CONSTEXPR ansi_color_escape make_foreground_color(internal::color_type foreground) FMT_NOEXCEPT +{ + return ansi_color_escape(foreground, internal::data::foreground_color); } -template -FMT_CONSTEXPR ansi_color_escape make_background_color( - internal::color_type background) FMT_NOEXCEPT { - return ansi_color_escape(background, internal::data::background_color); +template +FMT_CONSTEXPR ansi_color_escape make_background_color(internal::color_type background) FMT_NOEXCEPT +{ + return ansi_color_escape(background, internal::data::background_color); } -template -FMT_CONSTEXPR ansi_color_escape make_emphasis(emphasis em) FMT_NOEXCEPT { - return ansi_color_escape(em); +template +FMT_CONSTEXPR ansi_color_escape make_emphasis(emphasis em) FMT_NOEXCEPT +{ + return ansi_color_escape(em); } -template -inline void fputs(const Char* chars, FILE* stream) FMT_NOEXCEPT { - std::fputs(chars, stream); +template +inline void fputs(const Char *chars, FILE *stream) FMT_NOEXCEPT +{ + std::fputs(chars, stream); } -template <> -inline void fputs(const wchar_t* chars, FILE* stream) FMT_NOEXCEPT { - std::fputws(chars, stream); +template<> +inline void fputs(const wchar_t *chars, FILE *stream) FMT_NOEXCEPT +{ + std::fputws(chars, stream); } -template inline void reset_color(FILE* stream) FMT_NOEXCEPT { - fputs(internal::data::reset_color, stream); +template +inline void reset_color(FILE *stream) FMT_NOEXCEPT +{ + fputs(internal::data::reset_color, stream); } -template <> inline void reset_color(FILE* stream) FMT_NOEXCEPT { - fputs(internal::data::wreset_color, stream); +template<> +inline void reset_color(FILE *stream) FMT_NOEXCEPT +{ + fputs(internal::data::wreset_color, stream); } -template -inline void reset_color(basic_memory_buffer& buffer) FMT_NOEXCEPT { - const char* begin = data::reset_color; - const char* end = begin + sizeof(data::reset_color) - 1; - buffer.append(begin, end); +template +inline void reset_color(basic_memory_buffer &buffer) FMT_NOEXCEPT +{ + const char *begin = data::reset_color; + const char *end = begin + sizeof(data::reset_color) - 1; + buffer.append(begin, end); } -template -void vformat_to(basic_memory_buffer& buf, const text_style& ts, - basic_string_view format_str, - basic_format_args> args) { - bool has_style = false; - if (ts.has_emphasis()) { - has_style = true; - auto emphasis = internal::make_emphasis(ts.get_emphasis()); - buf.append(emphasis.begin(), emphasis.end()); - } - if (ts.has_foreground()) { - has_style = true; - auto foreground = - internal::make_foreground_color(ts.get_foreground()); - buf.append(foreground.begin(), foreground.end()); - } - if (ts.has_background()) { - has_style = true; - auto background = - internal::make_background_color(ts.get_background()); - buf.append(background.begin(), background.end()); - } - vformat_to(buf, format_str, args); - if (has_style) { - internal::reset_color(buf); - } +template +void vformat_to( + basic_memory_buffer &buf, const text_style &ts, basic_string_view format_str, basic_format_args> args) +{ + bool has_style = false; + if (ts.has_emphasis()) + { + has_style = true; + auto emphasis = internal::make_emphasis(ts.get_emphasis()); + buf.append(emphasis.begin(), emphasis.end()); + } + if (ts.has_foreground()) + { + has_style = true; + auto foreground = internal::make_foreground_color(ts.get_foreground()); + buf.append(foreground.begin(), foreground.end()); + } + if (ts.has_background()) + { + has_style = true; + auto background = internal::make_background_color(ts.get_background()); + buf.append(background.begin(), background.end()); + } + vformat_to(buf, format_str, args); + if (has_style) + { + internal::reset_color(buf); + } } -} // namespace internal +} // namespace internal -template > -void vprint(std::FILE* f, const text_style& ts, const S& format, - basic_format_args> args) { - basic_memory_buffer buf; - internal::vformat_to(buf, ts, to_string_view(format), args); - buf.push_back(Char(0)); - internal::fputs(buf.data(), f); +template> +void vprint(std::FILE *f, const text_style &ts, const S &format, basic_format_args> args) +{ + basic_memory_buffer buf; + internal::vformat_to(buf, ts, to_string_view(format), args); + buf.push_back(Char(0)); + internal::fputs(buf.data(), f); } /** @@ -514,14 +580,13 @@ void vprint(std::FILE* f, const text_style& ts, const S& format, fmt::print(fmt::emphasis::bold | fg(fmt::color::red), "Elapsed time: {0:.2f} seconds", 1.23); */ -template ::value)> -void print(std::FILE* f, const text_style& ts, const S& format_str, - const Args&... args) { - internal::check_format_string(format_str); - using context = buffer_context>; - format_arg_store as{args...}; - vprint(f, ts, format_str, basic_format_args(as)); +template::value)> +void print(std::FILE *f, const text_style &ts, const S &format_str, const Args &... args) +{ + internal::check_format_string(format_str); + using context = buffer_context>; + format_arg_store as{args...}; + vprint(f, ts, format_str, basic_format_args(as)); } /** @@ -531,19 +596,18 @@ void print(std::FILE* f, const text_style& ts, const S& format_str, fmt::print(fmt::emphasis::bold | fg(fmt::color::red), "Elapsed time: {0:.2f} seconds", 1.23); */ -template ::value)> -void print(const text_style& ts, const S& format_str, const Args&... args) { - return print(stdout, ts, format_str, args...); +template::value)> +void print(const text_style &ts, const S &format_str, const Args &... args) +{ + return print(stdout, ts, format_str, args...); } -template > -inline std::basic_string vformat( - const text_style& ts, const S& format_str, - basic_format_args> args) { - basic_memory_buffer buf; - internal::vformat_to(buf, ts, to_string_view(format_str), args); - return fmt::to_string(buf); +template> +inline std::basic_string vformat(const text_style &ts, const S &format_str, basic_format_args> args) +{ + basic_memory_buffer buf; + internal::vformat_to(buf, ts, to_string_view(format_str), args); + return fmt::to_string(buf); } /** @@ -558,13 +622,12 @@ inline std::basic_string vformat( "The answer is {}", 42); \endrst */ -template > -inline std::basic_string format(const text_style& ts, const S& format_str, - const Args&... args) { - return vformat(ts, to_string_view(format_str), - {internal::make_args_checked(format_str, args...)}); +template> +inline std::basic_string format(const text_style &ts, const S &format_str, const Args &... args) +{ + return vformat(ts, to_string_view(format_str), {internal::make_args_checked(format_str, args...)}); } FMT_END_NAMESPACE -#endif // FMT_COLOR_H_ +#endif // FMT_COLOR_H_ diff --git a/third_party/spdlog/include/spdlog/fmt/bundled/compile.h b/third_party/spdlog/include/spdlog/fmt/bundled/compile.h index 5829f623..5258d5ea 100644 --- a/third_party/spdlog/include/spdlog/fmt/bundled/compile.h +++ b/third_party/spdlog/include/spdlog/fmt/bundled/compile.h @@ -16,570 +16,651 @@ namespace internal { // Part of a compiled format string. It can be either literal text or a // replacement field. -template struct format_part { - enum class kind { arg_index, arg_name, text, replacement }; +template +struct format_part +{ + enum class kind + { + arg_index, + arg_name, + text, + replacement + }; - struct replacement { - arg_ref arg_id; - dynamic_format_specs specs; - }; + struct replacement + { + arg_ref arg_id; + dynamic_format_specs specs; + }; - kind part_kind; - union value { - int arg_index; - basic_string_view str; - replacement repl; + kind part_kind; + union value + { + int arg_index; + basic_string_view str; + replacement repl; - FMT_CONSTEXPR value(int index = 0) : arg_index(index) {} - FMT_CONSTEXPR value(basic_string_view s) : str(s) {} - FMT_CONSTEXPR value(replacement r) : repl(r) {} - } val; - // Position past the end of the argument id. - const Char* arg_id_end = nullptr; + FMT_CONSTEXPR value(int index = 0) + : arg_index(index) + {} + FMT_CONSTEXPR value(basic_string_view s) + : str(s) + {} + FMT_CONSTEXPR value(replacement r) + : repl(r) + {} + } val; + // Position past the end of the argument id. + const Char *arg_id_end = nullptr; - FMT_CONSTEXPR format_part(kind k = kind::arg_index, value v = {}) - : part_kind(k), val(v) {} + FMT_CONSTEXPR format_part(kind k = kind::arg_index, value v = {}) + : part_kind(k) + , val(v) + {} - static FMT_CONSTEXPR format_part make_arg_index(int index) { - return format_part(kind::arg_index, index); - } - static FMT_CONSTEXPR format_part make_arg_name(basic_string_view name) { - return format_part(kind::arg_name, name); - } - static FMT_CONSTEXPR format_part make_text(basic_string_view text) { - return format_part(kind::text, text); - } - static FMT_CONSTEXPR format_part make_replacement(replacement repl) { - return format_part(kind::replacement, repl); - } + static FMT_CONSTEXPR format_part make_arg_index(int index) + { + return format_part(kind::arg_index, index); + } + static FMT_CONSTEXPR format_part make_arg_name(basic_string_view name) + { + return format_part(kind::arg_name, name); + } + static FMT_CONSTEXPR format_part make_text(basic_string_view text) + { + return format_part(kind::text, text); + } + static FMT_CONSTEXPR format_part make_replacement(replacement repl) + { + return format_part(kind::replacement, repl); + } }; -template struct part_counter { - unsigned num_parts = 0; +template +struct part_counter +{ + unsigned num_parts = 0; - FMT_CONSTEXPR void on_text(const Char* begin, const Char* end) { - if (begin != end) ++num_parts; - } - - FMT_CONSTEXPR void on_arg_id() { ++num_parts; } - FMT_CONSTEXPR void on_arg_id(int) { ++num_parts; } - FMT_CONSTEXPR void on_arg_id(basic_string_view) { ++num_parts; } - - FMT_CONSTEXPR void on_replacement_field(const Char*) {} - - FMT_CONSTEXPR const Char* on_format_specs(const Char* begin, - const Char* end) { - // Find the matching brace. - unsigned brace_counter = 0; - for (; begin != end; ++begin) { - if (*begin == '{') { - ++brace_counter; - } else if (*begin == '}') { - if (brace_counter == 0u) break; - --brace_counter; - } + FMT_CONSTEXPR void on_text(const Char *begin, const Char *end) + { + if (begin != end) + ++num_parts; } - return begin; - } - FMT_CONSTEXPR void on_error(const char*) {} + FMT_CONSTEXPR void on_arg_id() + { + ++num_parts; + } + FMT_CONSTEXPR void on_arg_id(int) + { + ++num_parts; + } + FMT_CONSTEXPR void on_arg_id(basic_string_view) + { + ++num_parts; + } + + FMT_CONSTEXPR void on_replacement_field(const Char *) {} + + FMT_CONSTEXPR const Char *on_format_specs(const Char *begin, const Char *end) + { + // Find the matching brace. + unsigned brace_counter = 0; + for (; begin != end; ++begin) + { + if (*begin == '{') + { + ++brace_counter; + } + else if (*begin == '}') + { + if (brace_counter == 0u) + break; + --brace_counter; + } + } + return begin; + } + + FMT_CONSTEXPR void on_error(const char *) {} }; // Counts the number of parts in a format string. -template -FMT_CONSTEXPR unsigned count_parts(basic_string_view format_str) { - part_counter counter; - parse_format_string(format_str, counter); - return counter.num_parts; +template +FMT_CONSTEXPR unsigned count_parts(basic_string_view format_str) +{ + part_counter counter; + parse_format_string(format_str, counter); + return counter.num_parts; } -template -class format_string_compiler : public error_handler { - private: - using part = format_part; +template +class format_string_compiler : public error_handler +{ +private: + using part = format_part; - PartHandler handler_; - part part_; - basic_string_view format_str_; - basic_format_parse_context parse_context_; + PartHandler handler_; + part part_; + basic_string_view format_str_; + basic_format_parse_context parse_context_; - public: - FMT_CONSTEXPR format_string_compiler(basic_string_view format_str, - PartHandler handler) - : handler_(handler), - format_str_(format_str), - parse_context_(format_str) {} +public: + FMT_CONSTEXPR format_string_compiler(basic_string_view format_str, PartHandler handler) + : handler_(handler) + , format_str_(format_str) + , parse_context_(format_str) + {} - FMT_CONSTEXPR void on_text(const Char* begin, const Char* end) { - if (begin != end) - handler_(part::make_text({begin, to_unsigned(end - begin)})); - } + FMT_CONSTEXPR void on_text(const Char *begin, const Char *end) + { + if (begin != end) + handler_(part::make_text({begin, to_unsigned(end - begin)})); + } - FMT_CONSTEXPR void on_arg_id() { - part_ = part::make_arg_index(parse_context_.next_arg_id()); - } + FMT_CONSTEXPR void on_arg_id() + { + part_ = part::make_arg_index(parse_context_.next_arg_id()); + } - FMT_CONSTEXPR void on_arg_id(int id) { - parse_context_.check_arg_id(id); - part_ = part::make_arg_index(id); - } + FMT_CONSTEXPR void on_arg_id(int id) + { + parse_context_.check_arg_id(id); + part_ = part::make_arg_index(id); + } - FMT_CONSTEXPR void on_arg_id(basic_string_view id) { - part_ = part::make_arg_name(id); - } + FMT_CONSTEXPR void on_arg_id(basic_string_view id) + { + part_ = part::make_arg_name(id); + } - FMT_CONSTEXPR void on_replacement_field(const Char* ptr) { - part_.arg_id_end = ptr; - handler_(part_); - } + FMT_CONSTEXPR void on_replacement_field(const Char *ptr) + { + part_.arg_id_end = ptr; + handler_(part_); + } - FMT_CONSTEXPR const Char* on_format_specs(const Char* begin, - const Char* end) { - auto repl = typename part::replacement(); - dynamic_specs_handler> handler( - repl.specs, parse_context_); - auto it = parse_format_specs(begin, end, handler); - if (*it != '}') on_error("missing '}' in format string"); - repl.arg_id = part_.part_kind == part::kind::arg_index - ? arg_ref(part_.val.arg_index) - : arg_ref(part_.val.str); - auto part = part::make_replacement(repl); - part.arg_id_end = begin; - handler_(part); - return it; - } + FMT_CONSTEXPR const Char *on_format_specs(const Char *begin, const Char *end) + { + auto repl = typename part::replacement(); + dynamic_specs_handler> handler(repl.specs, parse_context_); + auto it = parse_format_specs(begin, end, handler); + if (*it != '}') + on_error("missing '}' in format string"); + repl.arg_id = part_.part_kind == part::kind::arg_index ? arg_ref(part_.val.arg_index) : arg_ref(part_.val.str); + auto part = part::make_replacement(repl); + part.arg_id_end = begin; + handler_(part); + return it; + } }; // Compiles a format string and invokes handler(part) for each parsed part. -template -FMT_CONSTEXPR void compile_format_string(basic_string_view format_str, - PartHandler handler) { - parse_format_string( - format_str, - format_string_compiler(format_str, handler)); +template +FMT_CONSTEXPR void compile_format_string(basic_string_view format_str, PartHandler handler) +{ + parse_format_string(format_str, format_string_compiler(format_str, handler)); } -template -void format_arg( - basic_format_parse_context& parse_ctx, - Context& ctx, Id arg_id) { - ctx.advance_to( - visit_format_arg(arg_formatter(ctx, &parse_ctx), ctx.arg(arg_id))); +template +void format_arg(basic_format_parse_context &parse_ctx, Context &ctx, Id arg_id) +{ + ctx.advance_to(visit_format_arg(arg_formatter(ctx, &parse_ctx), ctx.arg(arg_id))); } // vformat_to is defined in a subnamespace to prevent ADL. namespace cf { -template -auto vformat_to(Range out, CompiledFormat& cf, basic_format_args args) - -> typename Context::iterator { - using char_type = typename Context::char_type; - basic_format_parse_context parse_ctx( - to_string_view(cf.format_str_)); - Context ctx(out.begin(), args); +template +auto vformat_to(Range out, CompiledFormat &cf, basic_format_args args) -> typename Context::iterator +{ + using char_type = typename Context::char_type; + basic_format_parse_context parse_ctx(to_string_view(cf.format_str_)); + Context ctx(out.begin(), args); - const auto& parts = cf.parts(); - for (auto part_it = std::begin(parts); part_it != std::end(parts); - ++part_it) { - const auto& part = *part_it; - const auto& value = part.val; + const auto &parts = cf.parts(); + for (auto part_it = std::begin(parts); part_it != std::end(parts); ++part_it) + { + const auto &part = *part_it; + const auto &value = part.val; - using format_part_t = format_part; - switch (part.part_kind) { - case format_part_t::kind::text: { - const auto text = value.str; - auto output = ctx.out(); - auto&& it = reserve(output, text.size()); - it = std::copy_n(text.begin(), text.size(), it); - ctx.advance_to(output); - break; + using format_part_t = format_part; + switch (part.part_kind) + { + case format_part_t::kind::text: { + const auto text = value.str; + auto output = ctx.out(); + auto &&it = reserve(output, text.size()); + it = std::copy_n(text.begin(), text.size(), it); + ctx.advance_to(output); + break; + } + + case format_part_t::kind::arg_index: + advance_to(parse_ctx, part.arg_id_end); + internal::format_arg(parse_ctx, ctx, value.arg_index); + break; + + case format_part_t::kind::arg_name: + advance_to(parse_ctx, part.arg_id_end); + internal::format_arg(parse_ctx, ctx, value.str); + break; + + case format_part_t::kind::replacement: { + const auto &arg_id_value = value.repl.arg_id.val; + const auto arg = value.repl.arg_id.kind == arg_id_kind::index ? ctx.arg(arg_id_value.index) : ctx.arg(arg_id_value.name); + + auto specs = value.repl.specs; + + handle_dynamic_spec(specs.width, specs.width_ref, ctx); + handle_dynamic_spec(specs.precision, specs.precision_ref, ctx); + + error_handler h; + numeric_specs_checker checker(h, arg.type()); + if (specs.align == align::numeric) + checker.require_numeric_argument(); + if (specs.sign != sign::none) + checker.check_sign(); + if (specs.alt) + checker.require_numeric_argument(); + if (specs.precision >= 0) + checker.check_precision(); + + advance_to(parse_ctx, part.arg_id_end); + ctx.advance_to(visit_format_arg(arg_formatter(ctx, nullptr, &specs), arg)); + break; + } + } } - - case format_part_t::kind::arg_index: - advance_to(parse_ctx, part.arg_id_end); - internal::format_arg(parse_ctx, ctx, value.arg_index); - break; - - case format_part_t::kind::arg_name: - advance_to(parse_ctx, part.arg_id_end); - internal::format_arg(parse_ctx, ctx, value.str); - break; - - case format_part_t::kind::replacement: { - const auto& arg_id_value = value.repl.arg_id.val; - const auto arg = value.repl.arg_id.kind == arg_id_kind::index - ? ctx.arg(arg_id_value.index) - : ctx.arg(arg_id_value.name); - - auto specs = value.repl.specs; - - handle_dynamic_spec(specs.width, specs.width_ref, ctx); - handle_dynamic_spec(specs.precision, - specs.precision_ref, ctx); - - error_handler h; - numeric_specs_checker checker(h, arg.type()); - if (specs.align == align::numeric) checker.require_numeric_argument(); - if (specs.sign != sign::none) checker.check_sign(); - if (specs.alt) checker.require_numeric_argument(); - if (specs.precision >= 0) checker.check_precision(); - - advance_to(parse_ctx, part.arg_id_end); - ctx.advance_to( - visit_format_arg(arg_formatter(ctx, nullptr, &specs), arg)); - break; - } - } - } - return ctx.out(); + return ctx.out(); } -} // namespace cf +} // namespace cf -struct basic_compiled_format {}; +struct basic_compiled_format +{}; -template -struct compiled_format_base : basic_compiled_format { - using char_type = char_t; - using parts_container = std::vector>; +template +struct compiled_format_base : basic_compiled_format +{ + using char_type = char_t; + using parts_container = std::vector>; - parts_container compiled_parts; + parts_container compiled_parts; - explicit compiled_format_base(basic_string_view format_str) { - compile_format_string(format_str, - [this](const format_part& part) { - compiled_parts.push_back(part); - }); - } + explicit compiled_format_base(basic_string_view format_str) + { + compile_format_string(format_str, [this](const format_part &part) { compiled_parts.push_back(part); }); + } - const parts_container& parts() const { return compiled_parts; } + const parts_container &parts() const + { + return compiled_parts; + } }; -template struct format_part_array { - format_part data[N] = {}; - FMT_CONSTEXPR format_part_array() = default; +template +struct format_part_array +{ + format_part data[N] = {}; + FMT_CONSTEXPR format_part_array() = default; }; -template -FMT_CONSTEXPR format_part_array compile_to_parts( - basic_string_view format_str) { - format_part_array parts; - unsigned counter = 0; - // This is not a lambda for compatibility with older compilers. - struct { - format_part* parts; - unsigned* counter; - FMT_CONSTEXPR void operator()(const format_part& part) { - parts[(*counter)++] = part; +template +FMT_CONSTEXPR format_part_array compile_to_parts(basic_string_view format_str) +{ + format_part_array parts; + unsigned counter = 0; + // This is not a lambda for compatibility with older compilers. + struct + { + format_part *parts; + unsigned *counter; + FMT_CONSTEXPR void operator()(const format_part &part) + { + parts[(*counter)++] = part; + } + } collector{parts.data, &counter}; + compile_format_string(format_str, collector); + if (counter < N) + { + parts.data[counter] = format_part::make_text(basic_string_view()); } - } collector{parts.data, &counter}; - compile_format_string(format_str, collector); - if (counter < N) { - parts.data[counter] = - format_part::make_text(basic_string_view()); - } - return parts; + return parts; } -template constexpr const T& constexpr_max(const T& a, const T& b) { - return (a < b) ? b : a; +template +constexpr const T &constexpr_max(const T &a, const T &b) +{ + return (a < b) ? b : a; } -template -struct compiled_format_base::value>> - : basic_compiled_format { - using char_type = char_t; +template +struct compiled_format_base::value>> : basic_compiled_format +{ + using char_type = char_t; - FMT_CONSTEXPR explicit compiled_format_base(basic_string_view) {} + FMT_CONSTEXPR explicit compiled_format_base(basic_string_view) {} // Workaround for old compilers. Format string compilation will not be // performed there anyway. #if FMT_USE_CONSTEXPR - static FMT_CONSTEXPR_DECL const unsigned num_format_parts = - constexpr_max(count_parts(to_string_view(S())), 1u); + static FMT_CONSTEXPR_DECL const unsigned num_format_parts = constexpr_max(count_parts(to_string_view(S())), 1u); #else - static const unsigned num_format_parts = 1; + static const unsigned num_format_parts = 1; #endif - using parts_container = format_part[num_format_parts]; + using parts_container = format_part[num_format_parts]; - const parts_container& parts() const { - static FMT_CONSTEXPR_DECL const auto compiled_parts = - compile_to_parts( - internal::to_string_view(S())); - return compiled_parts.data; - } + const parts_container &parts() const + { + static FMT_CONSTEXPR_DECL const auto compiled_parts = compile_to_parts(internal::to_string_view(S())); + return compiled_parts.data; + } }; -template -class compiled_format : private compiled_format_base { - public: - using typename compiled_format_base::char_type; +template +class compiled_format : private compiled_format_base +{ +public: + using typename compiled_format_base::char_type; - private: - basic_string_view format_str_; +private: + basic_string_view format_str_; - template - friend auto cf::vformat_to(Range out, CompiledFormat& cf, - basic_format_args args) -> - typename Context::iterator; + template + friend auto cf::vformat_to(Range out, CompiledFormat &cf, basic_format_args args) -> typename Context::iterator; - public: - compiled_format() = delete; - explicit constexpr compiled_format(basic_string_view format_str) - : compiled_format_base(format_str), format_str_(format_str) {} +public: + compiled_format() = delete; + explicit constexpr compiled_format(basic_string_view format_str) + : compiled_format_base(format_str) + , format_str_(format_str) + {} }; #ifdef __cpp_if_constexpr -template struct type_list {}; +template +struct type_list +{}; // Returns a reference to the argument at index N from [first, rest...]. -template -constexpr const auto& get(const T& first, const Args&... rest) { - static_assert(N < 1 + sizeof...(Args), "index is out of bounds"); - if constexpr (N == 0) - return first; - else - return get(rest...); +template +constexpr const auto &get(const T &first, const Args &... rest) +{ + static_assert(N < 1 + sizeof...(Args), "index is out of bounds"); + if constexpr (N == 0) + return first; + else + return get(rest...); } -template struct get_type_impl; +template +struct get_type_impl; -template struct get_type_impl> { - using type = remove_cvref_t(std::declval()...))>; +template +struct get_type_impl> +{ + using type = remove_cvref_t(std::declval()...))>; }; -template +template using get_type = typename get_type_impl::type; -template struct text { - basic_string_view data; - using char_type = Char; +template +struct text +{ + basic_string_view data; + using char_type = Char; - template - OutputIt format(OutputIt out, const Args&...) const { - // TODO: reserve - return copy_str(data.begin(), data.end(), out); - } + template + OutputIt format(OutputIt out, const Args &...) const + { + // TODO: reserve + return copy_str(data.begin(), data.end(), out); + } }; -template -constexpr text make_text(basic_string_view s, size_t pos, - size_t size) { - return {{&s[pos], size}}; +template +constexpr text make_text(basic_string_view s, size_t pos, size_t size) +{ + return {{&s[pos], size}}; } -template , int> = 0> -OutputIt format_default(OutputIt out, T value) { - // TODO: reserve - format_int fi(value); - return std::copy(fi.data(), fi.data() + fi.size(), out); +template, int> = 0> +OutputIt format_default(OutputIt out, T value) +{ + // TODO: reserve + format_int fi(value); + return std::copy(fi.data(), fi.data() + fi.size(), out); } -template -OutputIt format_default(OutputIt out, double value) { - writer w(out); - w.write(value); - return w.out(); +template +OutputIt format_default(OutputIt out, double value) +{ + writer w(out); + w.write(value); + return w.out(); } -template -OutputIt format_default(OutputIt out, Char value) { - *out++ = value; - return out; +template +OutputIt format_default(OutputIt out, Char value) +{ + *out++ = value; + return out; } -template -OutputIt format_default(OutputIt out, const Char* value) { - auto length = std::char_traits::length(value); - return copy_str(value, value + length, out); +template +OutputIt format_default(OutputIt out, const Char *value) +{ + auto length = std::char_traits::length(value); + return copy_str(value, value + length, out); } // A replacement field that refers to argument N. -template struct field { - using char_type = Char; +template +struct field +{ + using char_type = Char; - template - OutputIt format(OutputIt out, const Args&... args) const { - // This ensures that the argument type is convertile to `const T&`. - const T& arg = get(args...); - return format_default(out, arg); - } + template + OutputIt format(OutputIt out, const Args &... args) const + { + // This ensures that the argument type is convertile to `const T&`. + const T &arg = get(args...); + return format_default(out, arg); + } }; -template struct concat { - L lhs; - R rhs; - using char_type = typename L::char_type; +template +struct concat +{ + L lhs; + R rhs; + using char_type = typename L::char_type; - template - OutputIt format(OutputIt out, const Args&... args) const { - out = lhs.format(out, args...); - return rhs.format(out, args...); - } + template + OutputIt format(OutputIt out, const Args &... args) const + { + out = lhs.format(out, args...); + return rhs.format(out, args...); + } }; -template -constexpr concat make_concat(L lhs, R rhs) { - return {lhs, rhs}; +template +constexpr concat make_concat(L lhs, R rhs) +{ + return {lhs, rhs}; } -struct unknown_format {}; +struct unknown_format +{}; -template -constexpr size_t parse_text(basic_string_view str, size_t pos) { - for (size_t size = str.size(); pos != size; ++pos) { - if (str[pos] == '{' || str[pos] == '}') break; - } - return pos; +template +constexpr size_t parse_text(basic_string_view str, size_t pos) +{ + for (size_t size = str.size(); pos != size; ++pos) + { + if (str[pos] == '{' || str[pos] == '}') + break; + } + return pos; } -template +template constexpr auto compile_format_string(S format_str); -template -constexpr auto parse_tail(T head, S format_str) { - if constexpr (POS != to_string_view(format_str).size()) { - constexpr auto tail = compile_format_string(format_str); - if constexpr (std::is_same, - unknown_format>()) - return tail; +template +constexpr auto parse_tail(T head, S format_str) +{ + if constexpr (POS != to_string_view(format_str).size()) + { + constexpr auto tail = compile_format_string(format_str); + if constexpr (std::is_same, unknown_format>()) + return tail; + else + return make_concat(head, tail); + } else - return make_concat(head, tail); - } else { - return head; - } + { + return head; + } } // Compiles a non-empty format string and returns the compiled representation // or unknown_format() on unrecognized input. -template -constexpr auto compile_format_string(S format_str) { - using char_type = typename S::char_type; - constexpr basic_string_view str = format_str; - if constexpr (str[POS] == '{') { - if (POS + 1 == str.size()) - throw format_error("unmatched '{' in format string"); - if constexpr (str[POS + 1] == '{') { - return parse_tail(make_text(str, POS, 1), format_str); - } else if constexpr (str[POS + 1] == '}') { - using type = get_type; - if constexpr (std::is_same::value) { - return parse_tail(field(), - format_str); - } else { - return unknown_format(); - } - } else { - return unknown_format(); +template +constexpr auto compile_format_string(S format_str) +{ + using char_type = typename S::char_type; + constexpr basic_string_view str = format_str; + if constexpr (str[POS] == '{') + { + if (POS + 1 == str.size()) + throw format_error("unmatched '{' in format string"); + if constexpr (str[POS + 1] == '{') + { + return parse_tail(make_text(str, POS, 1), format_str); + } + else if constexpr (str[POS + 1] == '}') + { + using type = get_type; + if constexpr (std::is_same::value) + { + return parse_tail(field(), format_str); + } + else + { + return unknown_format(); + } + } + else + { + return unknown_format(); + } + } + else if constexpr (str[POS] == '}') + { + if (POS + 1 == str.size()) + throw format_error("unmatched '}' in format string"); + return parse_tail(make_text(str, POS, 1), format_str); + } + else + { + constexpr auto end = parse_text(str, POS + 1); + return parse_tail(make_text(str, POS, end - POS), format_str); } - } else if constexpr (str[POS] == '}') { - if (POS + 1 == str.size()) - throw format_error("unmatched '}' in format string"); - return parse_tail(make_text(str, POS, 1), format_str); - } else { - constexpr auto end = parse_text(str, POS + 1); - return parse_tail(make_text(str, POS, end - POS), - format_str); - } } -#endif // __cpp_if_constexpr -} // namespace internal +#endif // __cpp_if_constexpr +} // namespace internal #if FMT_USE_CONSTEXPR -# ifdef __cpp_if_constexpr -template ::value)> -constexpr auto compile(S format_str) { - constexpr basic_string_view str = format_str; - if constexpr (str.size() == 0) { - return internal::make_text(str, 0, 0); - } else { - constexpr auto result = - internal::compile_format_string, 0, 0>( - format_str); - if constexpr (std::is_same, - internal::unknown_format>()) { - return internal::compiled_format(to_string_view(format_str)); - } else { - return result; +#ifdef __cpp_if_constexpr +template::value)> +constexpr auto compile(S format_str) +{ + constexpr basic_string_view str = format_str; + if constexpr (str.size() == 0) + { + return internal::make_text(str, 0, 0); + } + else + { + constexpr auto result = internal::compile_format_string, 0, 0>(format_str); + if constexpr (std::is_same, internal::unknown_format>()) + { + return internal::compiled_format(to_string_view(format_str)); + } + else + { + return result; + } } - } } -template ::value)> -std::basic_string format(const CompiledFormat& cf, const Args&... args) { - basic_memory_buffer buffer; - cf.format(std::back_inserter(buffer), args...); - return to_string(buffer); +template::value)> +std::basic_string format(const CompiledFormat &cf, const Args &... args) +{ + basic_memory_buffer buffer; + cf.format(std::back_inserter(buffer), args...); + return to_string(buffer); } -template ::value)> -OutputIt format_to(OutputIt out, const CompiledFormat& cf, - const Args&... args) { - return cf.format(out, args...); +template::value)> +OutputIt format_to(OutputIt out, const CompiledFormat &cf, const Args &... args) +{ + return cf.format(out, args...); } -# else -template ::value)> -constexpr auto compile(S format_str) -> internal::compiled_format { - return internal::compiled_format(to_string_view(format_str)); +#else +template::value)> +constexpr auto compile(S format_str) -> internal::compiled_format +{ + return internal::compiled_format(to_string_view(format_str)); } -# endif // __cpp_if_constexpr -#endif // FMT_USE_CONSTEXPR +#endif // __cpp_if_constexpr +#endif // FMT_USE_CONSTEXPR // Compiles the format string which must be a string literal. -template -auto compile(const Char (&format_str)[N]) - -> internal::compiled_format { - return internal::compiled_format( - basic_string_view(format_str, N - 1)); +template +auto compile(const Char (&format_str)[N]) -> internal::compiled_format +{ + return internal::compiled_format(basic_string_view(format_str, N - 1)); } -template ::value)> -std::basic_string format(const CompiledFormat& cf, const Args&... args) { - basic_memory_buffer buffer; - using range = buffer_range; - using context = buffer_context; - internal::cf::vformat_to(range(buffer), cf, - {make_format_args(args...)}); - return to_string(buffer); +template::value)> +std::basic_string format(const CompiledFormat &cf, const Args &... args) +{ + basic_memory_buffer buffer; + using range = buffer_range; + using context = buffer_context; + internal::cf::vformat_to(range(buffer), cf, {make_format_args(args...)}); + return to_string(buffer); } -template ::value)> -OutputIt format_to(OutputIt out, const CompiledFormat& cf, - const Args&... args) { - using char_type = typename CompiledFormat::char_type; - using range = internal::output_range; - using context = format_context_t; - return internal::cf::vformat_to( - range(out), cf, {make_format_args(args...)}); +template::value)> +OutputIt format_to(OutputIt out, const CompiledFormat &cf, const Args &... args) +{ + using char_type = typename CompiledFormat::char_type; + using range = internal::output_range; + using context = format_context_t; + return internal::cf::vformat_to(range(out), cf, {make_format_args(args...)}); } -template ::value)> -format_to_n_result format_to_n(OutputIt out, size_t n, - const CompiledFormat& cf, - const Args&... args) { - auto it = - format_to(internal::truncating_iterator(out, n), cf, args...); - return {it.base(), it.count()}; +template::value)> +format_to_n_result format_to_n(OutputIt out, size_t n, const CompiledFormat &cf, const Args &... args) +{ + auto it = format_to(internal::truncating_iterator(out, n), cf, args...); + return {it.base(), it.count()}; } -template -std::size_t formatted_size(const CompiledFormat& cf, const Args&... args) { - return format_to(internal::counting_iterator(), cf, args...).count(); +template +std::size_t formatted_size(const CompiledFormat &cf, const Args &... args) +{ + return format_to(internal::counting_iterator(), cf, args...).count(); } FMT_END_NAMESPACE -#endif // FMT_COMPILE_H_ +#endif // FMT_COMPILE_H_ diff --git a/third_party/spdlog/include/spdlog/fmt/bundled/core.h b/third_party/spdlog/include/spdlog/fmt/bundled/core.h index 9fd8df28..a34b93c6 100644 --- a/third_party/spdlog/include/spdlog/fmt/bundled/core.h +++ b/third_party/spdlog/include/spdlog/fmt/bundled/core.h @@ -8,7 +8,7 @@ #ifndef FMT_CORE_H_ #define FMT_CORE_H_ -#include // std::FILE +#include // std::FILE #include #include #include @@ -18,201 +18,195 @@ #define FMT_VERSION 60102 #ifdef __has_feature -# define FMT_HAS_FEATURE(x) __has_feature(x) +#define FMT_HAS_FEATURE(x) __has_feature(x) #else -# define FMT_HAS_FEATURE(x) 0 +#define FMT_HAS_FEATURE(x) 0 #endif -#if defined(__has_include) && !defined(__INTELLISENSE__) && \ - !(defined(__INTEL_COMPILER) && __INTEL_COMPILER < 1600) -# define FMT_HAS_INCLUDE(x) __has_include(x) +#if defined(__has_include) && !defined(__INTELLISENSE__) && !(defined(__INTEL_COMPILER) && __INTEL_COMPILER < 1600) +#define FMT_HAS_INCLUDE(x) __has_include(x) #else -# define FMT_HAS_INCLUDE(x) 0 +#define FMT_HAS_INCLUDE(x) 0 #endif #ifdef __has_cpp_attribute -# define FMT_HAS_CPP_ATTRIBUTE(x) __has_cpp_attribute(x) +#define FMT_HAS_CPP_ATTRIBUTE(x) __has_cpp_attribute(x) #else -# define FMT_HAS_CPP_ATTRIBUTE(x) 0 +#define FMT_HAS_CPP_ATTRIBUTE(x) 0 #endif #if defined(__GNUC__) && !defined(__clang__) -# define FMT_GCC_VERSION (__GNUC__ * 100 + __GNUC_MINOR__) +#define FMT_GCC_VERSION (__GNUC__ * 100 + __GNUC_MINOR__) #else -# define FMT_GCC_VERSION 0 +#define FMT_GCC_VERSION 0 #endif #if __cplusplus >= 201103L || defined(__GXX_EXPERIMENTAL_CXX0X__) -# define FMT_HAS_GXX_CXX11 FMT_GCC_VERSION +#define FMT_HAS_GXX_CXX11 FMT_GCC_VERSION #else -# define FMT_HAS_GXX_CXX11 0 +#define FMT_HAS_GXX_CXX11 0 #endif #ifdef __NVCC__ -# define FMT_NVCC __NVCC__ +#define FMT_NVCC __NVCC__ #else -# define FMT_NVCC 0 +#define FMT_NVCC 0 #endif #ifdef _MSC_VER -# define FMT_MSC_VER _MSC_VER +#define FMT_MSC_VER _MSC_VER #else -# define FMT_MSC_VER 0 +#define FMT_MSC_VER 0 #endif // Check if relaxed C++14 constexpr is supported. // GCC doesn't allow throw in constexpr until version 6 (bug 67371). #ifndef FMT_USE_CONSTEXPR -# define FMT_USE_CONSTEXPR \ - (FMT_HAS_FEATURE(cxx_relaxed_constexpr) || FMT_MSC_VER >= 1910 || \ - (FMT_GCC_VERSION >= 600 && __cplusplus >= 201402L)) && \ - !FMT_NVCC +#define FMT_USE_CONSTEXPR \ + (FMT_HAS_FEATURE(cxx_relaxed_constexpr) || FMT_MSC_VER >= 1910 || (FMT_GCC_VERSION >= 600 && __cplusplus >= 201402L)) && !FMT_NVCC #endif #if FMT_USE_CONSTEXPR -# define FMT_CONSTEXPR constexpr -# define FMT_CONSTEXPR_DECL constexpr +#define FMT_CONSTEXPR constexpr +#define FMT_CONSTEXPR_DECL constexpr #else -# define FMT_CONSTEXPR inline -# define FMT_CONSTEXPR_DECL +#define FMT_CONSTEXPR inline +#define FMT_CONSTEXPR_DECL #endif #ifndef FMT_OVERRIDE -# if FMT_HAS_FEATURE(cxx_override) || \ - (FMT_GCC_VERSION >= 408 && FMT_HAS_GXX_CXX11) || FMT_MSC_VER >= 1900 -# define FMT_OVERRIDE override -# else -# define FMT_OVERRIDE -# endif +#if FMT_HAS_FEATURE(cxx_override) || (FMT_GCC_VERSION >= 408 && FMT_HAS_GXX_CXX11) || FMT_MSC_VER >= 1900 +#define FMT_OVERRIDE override +#else +#define FMT_OVERRIDE +#endif #endif // Check if exceptions are disabled. #ifndef FMT_EXCEPTIONS -# if (defined(__GNUC__) && !defined(__EXCEPTIONS)) || \ - FMT_MSC_VER && !_HAS_EXCEPTIONS -# define FMT_EXCEPTIONS 0 -# else -# define FMT_EXCEPTIONS 1 -# endif +#if (defined(__GNUC__) && !defined(__EXCEPTIONS)) || FMT_MSC_VER && !_HAS_EXCEPTIONS +#define FMT_EXCEPTIONS 0 +#else +#define FMT_EXCEPTIONS 1 +#endif #endif // Define FMT_USE_NOEXCEPT to make fmt use noexcept (C++11 feature). #ifndef FMT_USE_NOEXCEPT -# define FMT_USE_NOEXCEPT 0 +#define FMT_USE_NOEXCEPT 0 #endif -#if FMT_USE_NOEXCEPT || FMT_HAS_FEATURE(cxx_noexcept) || \ - (FMT_GCC_VERSION >= 408 && FMT_HAS_GXX_CXX11) || FMT_MSC_VER >= 1900 -# define FMT_DETECTED_NOEXCEPT noexcept -# define FMT_HAS_CXX11_NOEXCEPT 1 +#if FMT_USE_NOEXCEPT || FMT_HAS_FEATURE(cxx_noexcept) || (FMT_GCC_VERSION >= 408 && FMT_HAS_GXX_CXX11) || FMT_MSC_VER >= 1900 +#define FMT_DETECTED_NOEXCEPT noexcept +#define FMT_HAS_CXX11_NOEXCEPT 1 #else -# define FMT_DETECTED_NOEXCEPT throw() -# define FMT_HAS_CXX11_NOEXCEPT 0 +#define FMT_DETECTED_NOEXCEPT throw() +#define FMT_HAS_CXX11_NOEXCEPT 0 #endif #ifndef FMT_NOEXCEPT -# if FMT_EXCEPTIONS || FMT_HAS_CXX11_NOEXCEPT -# define FMT_NOEXCEPT FMT_DETECTED_NOEXCEPT -# else -# define FMT_NOEXCEPT -# endif +#if FMT_EXCEPTIONS || FMT_HAS_CXX11_NOEXCEPT +#define FMT_NOEXCEPT FMT_DETECTED_NOEXCEPT +#else +#define FMT_NOEXCEPT +#endif #endif // [[noreturn]] is disabled on MSVC because of bogus unreachable code warnings. #if FMT_EXCEPTIONS && FMT_HAS_CPP_ATTRIBUTE(noreturn) && !FMT_MSC_VER -# define FMT_NORETURN [[noreturn]] +#define FMT_NORETURN [[noreturn]] #else -# define FMT_NORETURN +#define FMT_NORETURN #endif #ifndef FMT_DEPRECATED -# if (FMT_HAS_CPP_ATTRIBUTE(deprecated) && __cplusplus >= 201402L) || \ - FMT_MSC_VER >= 1900 -# define FMT_DEPRECATED [[deprecated]] -# else -# if defined(__GNUC__) || defined(__clang__) -# define FMT_DEPRECATED __attribute__((deprecated)) -# elif FMT_MSC_VER -# define FMT_DEPRECATED __declspec(deprecated) -# else -# define FMT_DEPRECATED /* deprecated */ -# endif -# endif +#if (FMT_HAS_CPP_ATTRIBUTE(deprecated) && __cplusplus >= 201402L) || FMT_MSC_VER >= 1900 +#define FMT_DEPRECATED [[deprecated]] +#else +#if defined(__GNUC__) || defined(__clang__) +#define FMT_DEPRECATED __attribute__((deprecated)) +#elif FMT_MSC_VER +#define FMT_DEPRECATED __declspec(deprecated) +#else +#define FMT_DEPRECATED /* deprecated */ +#endif +#endif #endif // Workaround broken [[deprecated]] in the Intel compiler and NVCC. #if defined(__INTEL_COMPILER) || FMT_NVCC -# define FMT_DEPRECATED_ALIAS +#define FMT_DEPRECATED_ALIAS #else -# define FMT_DEPRECATED_ALIAS FMT_DEPRECATED +#define FMT_DEPRECATED_ALIAS FMT_DEPRECATED #endif #ifndef FMT_BEGIN_NAMESPACE -# if FMT_HAS_FEATURE(cxx_inline_namespaces) || FMT_GCC_VERSION >= 404 || \ - FMT_MSC_VER >= 1900 -# define FMT_INLINE_NAMESPACE inline namespace -# define FMT_END_NAMESPACE \ - } \ - } -# else -# define FMT_INLINE_NAMESPACE namespace -# define FMT_END_NAMESPACE \ - } \ - using namespace v6; \ - } -# endif -# define FMT_BEGIN_NAMESPACE \ - namespace fmt { \ - FMT_INLINE_NAMESPACE v6 { +#if FMT_HAS_FEATURE(cxx_inline_namespaces) || FMT_GCC_VERSION >= 404 || FMT_MSC_VER >= 1900 +#define FMT_INLINE_NAMESPACE inline namespace +#define FMT_END_NAMESPACE \ + } \ + } +#else +#define FMT_INLINE_NAMESPACE namespace +#define FMT_END_NAMESPACE \ + } \ + using namespace v6; \ + } +#endif +#define FMT_BEGIN_NAMESPACE \ + namespace fmt { \ + FMT_INLINE_NAMESPACE v6 \ + { #endif #if !defined(FMT_HEADER_ONLY) && defined(_WIN32) -# ifdef FMT_EXPORT -# define FMT_API __declspec(dllexport) -# elif defined(FMT_SHARED) -# define FMT_API __declspec(dllimport) -# define FMT_EXTERN_TEMPLATE_API FMT_API -# endif +#ifdef FMT_EXPORT +#define FMT_API __declspec(dllexport) +#elif defined(FMT_SHARED) +#define FMT_API __declspec(dllimport) +#define FMT_EXTERN_TEMPLATE_API FMT_API +#endif #endif #ifndef FMT_API -# define FMT_API +#define FMT_API #endif #ifndef FMT_EXTERN_TEMPLATE_API -# define FMT_EXTERN_TEMPLATE_API +#define FMT_EXTERN_TEMPLATE_API #endif #ifndef FMT_HEADER_ONLY -# define FMT_EXTERN extern +#define FMT_EXTERN extern #else -# define FMT_EXTERN +#define FMT_EXTERN #endif // libc++ supports string_view in pre-c++17. -#if (FMT_HAS_INCLUDE() && \ - (__cplusplus > 201402L || defined(_LIBCPP_VERSION))) || \ +#if (FMT_HAS_INCLUDE() && (__cplusplus > 201402L || defined(_LIBCPP_VERSION))) || \ (defined(_MSVC_LANG) && _MSVC_LANG > 201402L && _MSC_VER >= 1910) -# include -# define FMT_USE_STRING_VIEW +#include +#define FMT_USE_STRING_VIEW #elif FMT_HAS_INCLUDE("experimental/string_view") && __cplusplus >= 201402L -# include -# define FMT_USE_EXPERIMENTAL_STRING_VIEW +#include +#define FMT_USE_EXPERIMENTAL_STRING_VIEW #endif FMT_BEGIN_NAMESPACE // Implementations of enable_if_t and other types for pre-C++14 systems. -template +template using enable_if_t = typename std::enable_if::type; -template +template using conditional_t = typename std::conditional::type; -template using bool_constant = std::integral_constant; -template +template +using bool_constant = std::integral_constant; +template using remove_reference_t = typename std::remove_reference::type; -template +template using remove_const_t = typename std::remove_const::type; -template +template using remove_cvref_t = typename std::remove_cv>::type; -struct monostate {}; +struct monostate +{}; // An enable_if helper to be used in template parameters which results in much // shorter symbols: https://godbolt.org/z/sWw4vP. Extra parentheses are needed @@ -222,53 +216,60 @@ struct monostate {}; namespace internal { // A workaround for gcc 4.8 to make void_t work in a SFINAE context. -template struct void_t_impl { using type = void; }; +template +struct void_t_impl +{ + using type = void; +}; -FMT_API void assert_fail(const char* file, int line, const char* message); +FMT_API void assert_fail(const char *file, int line, const char *message); #ifndef FMT_ASSERT -# ifdef NDEBUG -# define FMT_ASSERT(condition, message) -# else -# define FMT_ASSERT(condition, message) \ - ((condition) \ - ? void() \ - : fmt::internal::assert_fail(__FILE__, __LINE__, (message))) -# endif +#ifdef NDEBUG +#define FMT_ASSERT(condition, message) +#else +#define FMT_ASSERT(condition, message) ((condition) ? void() : fmt::internal::assert_fail(__FILE__, __LINE__, (message))) +#endif #endif #if defined(FMT_USE_STRING_VIEW) -template using std_string_view = std::basic_string_view; +template +using std_string_view = std::basic_string_view; #elif defined(FMT_USE_EXPERIMENTAL_STRING_VIEW) -template +template using std_string_view = std::experimental::basic_string_view; #else -template struct std_string_view {}; +template +struct std_string_view +{}; #endif #ifdef FMT_USE_INT128 // Do nothing. #elif defined(__SIZEOF_INT128__) -# define FMT_USE_INT128 1 +#define FMT_USE_INT128 1 using int128_t = __int128_t; using uint128_t = __uint128_t; #else -# define FMT_USE_INT128 0 +#define FMT_USE_INT128 0 #endif #if !FMT_USE_INT128 -struct int128_t {}; -struct uint128_t {}; +struct int128_t +{}; +struct uint128_t +{}; #endif // Casts a nonnegative integer to unsigned. -template -FMT_CONSTEXPR typename std::make_unsigned::type to_unsigned(Int value) { - FMT_ASSERT(value >= 0, "negative value"); - return static_cast::type>(value); +template +FMT_CONSTEXPR typename std::make_unsigned::type to_unsigned(Int value) +{ + FMT_ASSERT(value >= 0, "negative value"); + return static_cast::type>(value); } -} // namespace internal +} // namespace internal -template +template using void_t = typename internal::void_t_impl::type; /** @@ -278,87 +279,108 @@ using void_t = typename internal::void_t_impl::type; compiled with a different ``-std`` option than the client code (which is not recommended). */ -template class basic_string_view { - private: - const Char* data_; - size_t size_; +template +class basic_string_view +{ +private: + const Char *data_; + size_t size_; - public: - using char_type = Char; - using iterator = const Char*; +public: + using char_type = Char; + using iterator = const Char *; - FMT_CONSTEXPR basic_string_view() FMT_NOEXCEPT : data_(nullptr), size_(0) {} + FMT_CONSTEXPR basic_string_view() FMT_NOEXCEPT : data_(nullptr), size_(0) {} - /** Constructs a string reference object from a C string and a size. */ - FMT_CONSTEXPR basic_string_view(const Char* s, size_t count) FMT_NOEXCEPT - : data_(s), - size_(count) {} + /** Constructs a string reference object from a C string and a size. */ + FMT_CONSTEXPR basic_string_view(const Char *s, size_t count) FMT_NOEXCEPT : data_(s), size_(count) {} - /** - \rst - Constructs a string reference object from a C string computing - the size with ``std::char_traits::length``. - \endrst - */ - basic_string_view(const Char* s) - : data_(s), size_(std::char_traits::length(s)) {} + /** + \rst + Constructs a string reference object from a C string computing + the size with ``std::char_traits::length``. + \endrst + */ + basic_string_view(const Char *s) + : data_(s) + , size_(std::char_traits::length(s)) + {} - /** Constructs a string reference from a ``std::basic_string`` object. */ - template - FMT_CONSTEXPR basic_string_view( - const std::basic_string& s) FMT_NOEXCEPT - : data_(s.data()), - size_(s.size()) {} + /** Constructs a string reference from a ``std::basic_string`` object. */ + template + FMT_CONSTEXPR basic_string_view(const std::basic_string &s) FMT_NOEXCEPT : data_(s.data()), size_(s.size()) + {} - template < - typename S, - FMT_ENABLE_IF(std::is_same>::value)> - FMT_CONSTEXPR basic_string_view(S s) FMT_NOEXCEPT : data_(s.data()), - size_(s.size()) {} + template>::value)> + FMT_CONSTEXPR basic_string_view(S s) FMT_NOEXCEPT : data_(s.data()), size_(s.size()) + {} - /** Returns a pointer to the string data. */ - FMT_CONSTEXPR const Char* data() const { return data_; } + /** Returns a pointer to the string data. */ + FMT_CONSTEXPR const Char *data() const + { + return data_; + } - /** Returns the string size. */ - FMT_CONSTEXPR size_t size() const { return size_; } + /** Returns the string size. */ + FMT_CONSTEXPR size_t size() const + { + return size_; + } - FMT_CONSTEXPR iterator begin() const { return data_; } - FMT_CONSTEXPR iterator end() const { return data_ + size_; } + FMT_CONSTEXPR iterator begin() const + { + return data_; + } + FMT_CONSTEXPR iterator end() const + { + return data_ + size_; + } - FMT_CONSTEXPR const Char& operator[](size_t pos) const { return data_[pos]; } + FMT_CONSTEXPR const Char &operator[](size_t pos) const + { + return data_[pos]; + } - FMT_CONSTEXPR void remove_prefix(size_t n) { - data_ += n; - size_ -= n; - } + FMT_CONSTEXPR void remove_prefix(size_t n) + { + data_ += n; + size_ -= n; + } - // Lexicographically compare this string reference to other. - int compare(basic_string_view other) const { - size_t str_size = size_ < other.size_ ? size_ : other.size_; - int result = std::char_traits::compare(data_, other.data_, str_size); - if (result == 0) - result = size_ == other.size_ ? 0 : (size_ < other.size_ ? -1 : 1); - return result; - } + // Lexicographically compare this string reference to other. + int compare(basic_string_view other) const + { + size_t str_size = size_ < other.size_ ? size_ : other.size_; + int result = std::char_traits::compare(data_, other.data_, str_size); + if (result == 0) + result = size_ == other.size_ ? 0 : (size_ < other.size_ ? -1 : 1); + return result; + } - friend bool operator==(basic_string_view lhs, basic_string_view rhs) { - return lhs.compare(rhs) == 0; - } - friend bool operator!=(basic_string_view lhs, basic_string_view rhs) { - return lhs.compare(rhs) != 0; - } - friend bool operator<(basic_string_view lhs, basic_string_view rhs) { - return lhs.compare(rhs) < 0; - } - friend bool operator<=(basic_string_view lhs, basic_string_view rhs) { - return lhs.compare(rhs) <= 0; - } - friend bool operator>(basic_string_view lhs, basic_string_view rhs) { - return lhs.compare(rhs) > 0; - } - friend bool operator>=(basic_string_view lhs, basic_string_view rhs) { - return lhs.compare(rhs) >= 0; - } + friend bool operator==(basic_string_view lhs, basic_string_view rhs) + { + return lhs.compare(rhs) == 0; + } + friend bool operator!=(basic_string_view lhs, basic_string_view rhs) + { + return lhs.compare(rhs) != 0; + } + friend bool operator<(basic_string_view lhs, basic_string_view rhs) + { + return lhs.compare(rhs) < 0; + } + friend bool operator<=(basic_string_view lhs, basic_string_view rhs) + { + return lhs.compare(rhs) <= 0; + } + friend bool operator>(basic_string_view lhs, basic_string_view rhs) + { + return lhs.compare(rhs) > 0; + } + friend bool operator>=(basic_string_view lhs, basic_string_view rhs) + { + return lhs.compare(rhs) >= 0; + } }; using string_view = basic_string_view; @@ -366,16 +388,30 @@ using wstring_view = basic_string_view; #ifndef __cpp_char8_t // A UTF-8 code unit type. -enum char8_t : unsigned char {}; +enum char8_t : unsigned char +{ +}; #endif /** Specifies if ``T`` is a character type. Can be specialized by users. */ -template struct is_char : std::false_type {}; -template <> struct is_char : std::true_type {}; -template <> struct is_char : std::true_type {}; -template <> struct is_char : std::true_type {}; -template <> struct is_char : std::true_type {}; -template <> struct is_char : std::true_type {}; +template +struct is_char : std::false_type +{}; +template<> +struct is_char : std::true_type +{}; +template<> +struct is_char : std::true_type +{}; +template<> +struct is_char : std::true_type +{}; +template<> +struct is_char : std::true_type +{}; +template<> +struct is_char : std::true_type +{}; /** \rst @@ -393,39 +429,43 @@ template <> struct is_char : std::true_type {}; std::string message = fmt::format(my_string("The answer is {}"), 42); \endrst */ -template ::value)> -inline basic_string_view to_string_view(const Char* s) { - return s; +template::value)> +inline basic_string_view to_string_view(const Char *s) +{ + return s; } -template -inline basic_string_view to_string_view( - const std::basic_string& s) { - return s; +template +inline basic_string_view to_string_view(const std::basic_string &s) +{ + return s; } -template -inline basic_string_view to_string_view(basic_string_view s) { - return s; +template +inline basic_string_view to_string_view(basic_string_view s) +{ + return s; } -template >::value)> -inline basic_string_view to_string_view( - internal::std_string_view s) { - return s; +template>::value)> +inline basic_string_view to_string_view(internal::std_string_view s) +{ + return s; } // A base class for compile-time strings. It is defined in the fmt namespace to // make formatting functions visible via ADL, e.g. format(fmt("{}"), 42). -struct compile_string {}; +struct compile_string +{}; -template -struct is_compile_string : std::is_base_of {}; +template +struct is_compile_string : std::is_base_of +{}; -template ::value)> -constexpr basic_string_view to_string_view(const S& s) { - return s; +template::value)> +constexpr basic_string_view to_string_view(const S &s) +{ + return s; } namespace internal { @@ -435,27 +475,33 @@ using fmt::v6::to_string_view; // Specifies whether S is a string type convertible to fmt::basic_string_view. // It should be a constexpr function but MSVC 2017 fails to compile it in // enable_if and MSVC 2015 fails to compile it as an alias template. -template -struct is_string : std::is_class()))> { +template +struct is_string : std::is_class()))> +{}; + +template +struct char_t_impl +{}; +template +struct char_t_impl::value>> +{ + using result = decltype(to_string_view(std::declval())); + using type = typename result::char_type; }; -template struct char_t_impl {}; -template struct char_t_impl::value>> { - using result = decltype(to_string_view(std::declval())); - using type = typename result::char_type; -}; +struct error_handler +{ + FMT_CONSTEXPR error_handler() = default; + FMT_CONSTEXPR error_handler(const error_handler &) = default; -struct error_handler { - FMT_CONSTEXPR error_handler() = default; - FMT_CONSTEXPR error_handler(const error_handler&) = default; - - // This function is intentionally not constexpr to give a compile-time error. - FMT_NORETURN FMT_API void on_error(const char* message); + // This function is intentionally not constexpr to give a compile-time error. + FMT_NORETURN FMT_API void on_error(const char *message); }; -} // namespace internal +} // namespace internal /** String's character type. */ -template using char_t = typename internal::char_t_impl::type; +template +using char_t = typename internal::char_t_impl::type; /** \rst @@ -473,250 +519,310 @@ template using char_t = typename internal::char_t_impl::type; +-----------------------+-------------------------------------+ \endrst */ -template -class basic_format_parse_context : private ErrorHandler { - private: - basic_string_view format_str_; - int next_arg_id_; +template +class basic_format_parse_context : private ErrorHandler +{ +private: + basic_string_view format_str_; + int next_arg_id_; - public: - using char_type = Char; - using iterator = typename basic_string_view::iterator; +public: + using char_type = Char; + using iterator = typename basic_string_view::iterator; - explicit FMT_CONSTEXPR basic_format_parse_context( - basic_string_view format_str, ErrorHandler eh = ErrorHandler()) - : ErrorHandler(eh), format_str_(format_str), next_arg_id_(0) {} + explicit FMT_CONSTEXPR basic_format_parse_context(basic_string_view format_str, ErrorHandler eh = ErrorHandler()) + : ErrorHandler(eh) + , format_str_(format_str) + , next_arg_id_(0) + {} - /** - Returns an iterator to the beginning of the format string range being - parsed. - */ - FMT_CONSTEXPR iterator begin() const FMT_NOEXCEPT { - return format_str_.begin(); - } + /** + Returns an iterator to the beginning of the format string range being + parsed. + */ + FMT_CONSTEXPR iterator begin() const FMT_NOEXCEPT + { + return format_str_.begin(); + } - /** - Returns an iterator past the end of the format string range being parsed. - */ - FMT_CONSTEXPR iterator end() const FMT_NOEXCEPT { return format_str_.end(); } + /** + Returns an iterator past the end of the format string range being parsed. + */ + FMT_CONSTEXPR iterator end() const FMT_NOEXCEPT + { + return format_str_.end(); + } - /** Advances the begin iterator to ``it``. */ - FMT_CONSTEXPR void advance_to(iterator it) { - format_str_.remove_prefix(internal::to_unsigned(it - begin())); - } + /** Advances the begin iterator to ``it``. */ + FMT_CONSTEXPR void advance_to(iterator it) + { + format_str_.remove_prefix(internal::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 int next_arg_id() { - if (next_arg_id_ >= 0) return next_arg_id_++; - on_error("cannot switch from manual to automatic argument indexing"); - return 0; - } + /** + Reports an error if using the manual argument indexing; otherwise returns + the next argument index and switches to the automatic indexing. + */ + FMT_CONSTEXPR int next_arg_id() + { + if (next_arg_id_ >= 0) + return next_arg_id_++; + on_error("cannot switch from manual to automatic argument indexing"); + return 0; + } - /** - Reports an error if using the automatic argument indexing; otherwise - switches to the manual indexing. - */ - FMT_CONSTEXPR void check_arg_id(int) { - if (next_arg_id_ > 0) - on_error("cannot switch from automatic to manual argument indexing"); - else - next_arg_id_ = -1; - } + /** + Reports an error if using the automatic argument indexing; otherwise + switches to the manual indexing. + */ + FMT_CONSTEXPR void check_arg_id(int) + { + if (next_arg_id_ > 0) + on_error("cannot switch from automatic to manual argument indexing"); + else + next_arg_id_ = -1; + } - FMT_CONSTEXPR void check_arg_id(basic_string_view) {} + FMT_CONSTEXPR void check_arg_id(basic_string_view) {} - FMT_CONSTEXPR void on_error(const char* message) { - ErrorHandler::on_error(message); - } + FMT_CONSTEXPR void on_error(const char *message) + { + ErrorHandler::on_error(message); + } - FMT_CONSTEXPR ErrorHandler error_handler() const { return *this; } + FMT_CONSTEXPR ErrorHandler error_handler() const + { + return *this; + } }; using format_parse_context = basic_format_parse_context; using wformat_parse_context = basic_format_parse_context; -template -using basic_parse_context FMT_DEPRECATED_ALIAS = - basic_format_parse_context; +template +using basic_parse_context FMT_DEPRECATED_ALIAS = basic_format_parse_context; using parse_context FMT_DEPRECATED_ALIAS = basic_format_parse_context; using wparse_context FMT_DEPRECATED_ALIAS = basic_format_parse_context; -template class basic_format_arg; -template class basic_format_args; +template +class basic_format_arg; +template +class basic_format_args; // A formatter for objects of type T. -template -struct formatter { - // A deleted default constructor indicates a disabled formatter. - formatter() = delete; +template +struct formatter +{ + // A deleted default constructor indicates a disabled formatter. + formatter() = delete; }; -template -struct FMT_DEPRECATED convert_to_int - : bool_constant::value && - std::is_convertible::value> {}; +template +struct FMT_DEPRECATED convert_to_int : bool_constant::value && std::is_convertible::value> +{}; // 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>; +template +using has_formatter = std::is_constructible>; namespace internal { /** A contiguous memory buffer with an optional growing ability. */ -template class buffer { - private: - T* ptr_; - std::size_t size_; - std::size_t capacity_; +template +class buffer +{ +private: + T *ptr_; + std::size_t size_; + std::size_t capacity_; - protected: - // Don't initialize ptr_ since it is not accessed to save a few cycles. - buffer(std::size_t sz) FMT_NOEXCEPT : size_(sz), capacity_(sz) {} +protected: + // Don't initialize ptr_ since it is not accessed to save a few cycles. + buffer(std::size_t sz) FMT_NOEXCEPT : size_(sz), capacity_(sz) {} - buffer(T* p = nullptr, std::size_t sz = 0, std::size_t cap = 0) FMT_NOEXCEPT - : ptr_(p), - size_(sz), - capacity_(cap) {} + buffer(T *p = nullptr, std::size_t sz = 0, std::size_t cap = 0) FMT_NOEXCEPT : ptr_(p), size_(sz), capacity_(cap) {} - /** Sets the buffer data and capacity. */ - void set(T* buf_data, std::size_t buf_capacity) FMT_NOEXCEPT { - ptr_ = buf_data; - capacity_ = buf_capacity; - } + /** Sets the buffer data and capacity. */ + void set(T *buf_data, std::size_t buf_capacity) FMT_NOEXCEPT + { + ptr_ = buf_data; + capacity_ = buf_capacity; + } - /** Increases the buffer capacity to hold at least *capacity* elements. */ - virtual void grow(std::size_t capacity) = 0; + /** Increases the buffer capacity to hold at least *capacity* elements. */ + virtual void grow(std::size_t capacity) = 0; - public: - using value_type = T; - using const_reference = const T&; +public: + using value_type = T; + using const_reference = const T &; - buffer(const buffer&) = delete; - void operator=(const buffer&) = delete; - virtual ~buffer() = default; + buffer(const buffer &) = delete; + void operator=(const buffer &) = delete; + virtual ~buffer() = default; - T* begin() FMT_NOEXCEPT { return ptr_; } - T* end() FMT_NOEXCEPT { return ptr_ + size_; } + T *begin() FMT_NOEXCEPT + { + return ptr_; + } + T *end() FMT_NOEXCEPT + { + return ptr_ + size_; + } - /** Returns the size of this buffer. */ - std::size_t size() const FMT_NOEXCEPT { return size_; } + /** Returns the size of this buffer. */ + std::size_t size() const FMT_NOEXCEPT + { + return size_; + } - /** Returns the capacity of this buffer. */ - std::size_t capacity() const FMT_NOEXCEPT { return capacity_; } + /** Returns the capacity of this buffer. */ + std::size_t capacity() const FMT_NOEXCEPT + { + return capacity_; + } - /** Returns a pointer to the buffer data. */ - T* data() FMT_NOEXCEPT { return ptr_; } + /** Returns a pointer to the buffer data. */ + T *data() FMT_NOEXCEPT + { + return ptr_; + } - /** Returns a pointer to the buffer data. */ - const T* data() const FMT_NOEXCEPT { return ptr_; } + /** Returns a pointer to the buffer data. */ + const T *data() const FMT_NOEXCEPT + { + return ptr_; + } - /** - Resizes the buffer. If T is a POD type new elements may not be initialized. - */ - void resize(std::size_t new_size) { - reserve(new_size); - size_ = new_size; - } + /** + Resizes the buffer. If T is a POD type new elements may not be initialized. + */ + void resize(std::size_t new_size) + { + reserve(new_size); + size_ = new_size; + } - /** Clears this buffer. */ - void clear() { size_ = 0; } + /** Clears this buffer. */ + void clear() + { + size_ = 0; + } - /** Reserves space to store at least *capacity* elements. */ - void reserve(std::size_t new_capacity) { - if (new_capacity > capacity_) grow(new_capacity); - } + /** Reserves space to store at least *capacity* elements. */ + void reserve(std::size_t new_capacity) + { + if (new_capacity > capacity_) + grow(new_capacity); + } - void push_back(const T& value) { - reserve(size_ + 1); - ptr_[size_++] = value; - } + void push_back(const T &value) + { + reserve(size_ + 1); + ptr_[size_++] = value; + } - /** Appends data to the end of the buffer. */ - template void append(const U* begin, const U* end); + /** Appends data to the end of the buffer. */ + template + void append(const U *begin, const U *end); - T& operator[](std::size_t index) { return ptr_[index]; } - const T& operator[](std::size_t index) const { return ptr_[index]; } + T &operator[](std::size_t index) + { + return ptr_[index]; + } + const T &operator[](std::size_t index) const + { + return ptr_[index]; + } }; // A container-backed buffer. -template -class container_buffer : public buffer { - private: - Container& container_; +template +class container_buffer : public buffer +{ +private: + Container &container_; - protected: - void grow(std::size_t capacity) FMT_OVERRIDE { - container_.resize(capacity); - this->set(&container_[0], capacity); - } +protected: + void grow(std::size_t capacity) FMT_OVERRIDE + { + container_.resize(capacity); + this->set(&container_[0], capacity); + } - public: - explicit container_buffer(Container& c) - : buffer(c.size()), container_(c) {} +public: + explicit container_buffer(Container &c) + : buffer(c.size()) + , container_(c) + {} }; // Extracts a reference to the container from back_insert_iterator. -template -inline Container& get_container(std::back_insert_iterator it) { - using bi_iterator = std::back_insert_iterator; - struct accessor : bi_iterator { - accessor(bi_iterator iter) : bi_iterator(iter) {} - using bi_iterator::container; - }; - return *accessor(it).container; +template +inline Container &get_container(std::back_insert_iterator it) +{ + using bi_iterator = std::back_insert_iterator; + struct accessor : bi_iterator + { + accessor(bi_iterator iter) + : bi_iterator(iter) + {} + using bi_iterator::container; + }; + return *accessor(it).container; } -template -struct fallback_formatter { - fallback_formatter() = delete; +template +struct fallback_formatter +{ + fallback_formatter() = delete; }; // Specifies if T has an enabled fallback_formatter specialization. -template -using has_fallback_formatter = - std::is_constructible>; +template +using has_fallback_formatter = std::is_constructible>; -template struct named_arg_base; -template struct named_arg; +template +struct named_arg_base; +template +struct named_arg; -enum type { - none_type, - named_arg_type, - // Integer types should go first, - int_type, - uint_type, - long_long_type, - ulong_long_type, - int128_type, - uint128_type, - bool_type, - char_type, - last_integer_type = char_type, - // followed by floating-point types. - float_type, - double_type, - long_double_type, - last_numeric_type = long_double_type, - cstring_type, - string_type, - pointer_type, - custom_type +enum type +{ + none_type, + named_arg_type, + // Integer types should go first, + int_type, + uint_type, + long_long_type, + ulong_long_type, + int128_type, + uint128_type, + bool_type, + char_type, + last_integer_type = char_type, + // followed by floating-point types. + float_type, + double_type, + long_double_type, + last_numeric_type = long_double_type, + cstring_type, + string_type, + pointer_type, + custom_type }; // Maps core type T to the corresponding type enum constant. -template -struct type_constant : std::integral_constant {}; +template +struct type_constant : std::integral_constant +{}; -#define FMT_TYPE_CONSTANT(Type, constant) \ - template \ - struct type_constant : std::integral_constant {} +#define FMT_TYPE_CONSTANT(Type, constant) \ + template \ + struct type_constant : std::integral_constant \ + {} -FMT_TYPE_CONSTANT(const named_arg_base&, named_arg_type); +FMT_TYPE_CONSTANT(const named_arg_base &, named_arg_type); FMT_TYPE_CONSTANT(int, int_type); FMT_TYPE_CONSTANT(unsigned, uint_type); FMT_TYPE_CONSTANT(long long, long_long_type); @@ -728,269 +834,392 @@ FMT_TYPE_CONSTANT(Char, char_type); FMT_TYPE_CONSTANT(float, float_type); FMT_TYPE_CONSTANT(double, double_type); FMT_TYPE_CONSTANT(long double, long_double_type); -FMT_TYPE_CONSTANT(const Char*, cstring_type); +FMT_TYPE_CONSTANT(const Char *, cstring_type); FMT_TYPE_CONSTANT(basic_string_view, string_type); -FMT_TYPE_CONSTANT(const void*, pointer_type); +FMT_TYPE_CONSTANT(const void *, pointer_type); -FMT_CONSTEXPR bool is_integral_type(type t) { - FMT_ASSERT(t != named_arg_type, "invalid argument type"); - return t > none_type && t <= last_integer_type; +FMT_CONSTEXPR bool is_integral_type(type t) +{ + FMT_ASSERT(t != named_arg_type, "invalid argument type"); + return t > none_type && t <= last_integer_type; } -FMT_CONSTEXPR bool is_arithmetic_type(type t) { - FMT_ASSERT(t != named_arg_type, "invalid argument type"); - return t > none_type && t <= last_numeric_type; +FMT_CONSTEXPR bool is_arithmetic_type(type t) +{ + FMT_ASSERT(t != named_arg_type, "invalid argument type"); + return t > none_type && t <= last_numeric_type; } -template struct string_value { - const Char* data; - std::size_t size; +template +struct string_value +{ + const Char *data; + std::size_t size; }; -template struct custom_value { - using parse_context = basic_format_parse_context; - const void* value; - void (*format)(const void* arg, parse_context& parse_ctx, Context& ctx); +template +struct custom_value +{ + using parse_context = basic_format_parse_context; + const void *value; + void (*format)(const void *arg, parse_context &parse_ctx, Context &ctx); }; // A formatting argument value. -template class value { - public: - using char_type = typename Context::char_type; +template +class value +{ +public: + using char_type = typename Context::char_type; - union { - int int_value; - unsigned uint_value; - long long long_long_value; - unsigned long long ulong_long_value; - int128_t int128_value; - uint128_t uint128_value; - bool bool_value; - char_type char_value; - float float_value; - double double_value; - long double long_double_value; - const void* pointer; - string_value string; - custom_value custom; - const named_arg_base* named_arg; - }; + union + { + int int_value; + unsigned uint_value; + long long long_long_value; + unsigned long long ulong_long_value; + int128_t int128_value; + uint128_t uint128_value; + bool bool_value; + char_type char_value; + float float_value; + double double_value; + long double long_double_value; + const void *pointer; + string_value string; + custom_value custom; + const named_arg_base *named_arg; + }; - FMT_CONSTEXPR value(int val = 0) : int_value(val) {} - FMT_CONSTEXPR value(unsigned val) : uint_value(val) {} - value(long long val) : long_long_value(val) {} - value(unsigned long long val) : ulong_long_value(val) {} - value(int128_t val) : int128_value(val) {} - value(uint128_t val) : uint128_value(val) {} - value(float val) : float_value(val) {} - value(double val) : double_value(val) {} - value(long double val) : long_double_value(val) {} - value(bool val) : bool_value(val) {} - value(char_type val) : char_value(val) {} - value(const char_type* val) { string.data = val; } - value(basic_string_view val) { - string.data = val.data(); - string.size = val.size(); - } - value(const void* val) : pointer(val) {} + FMT_CONSTEXPR value(int val = 0) + : int_value(val) + {} + FMT_CONSTEXPR value(unsigned val) + : uint_value(val) + {} + value(long long val) + : long_long_value(val) + {} + value(unsigned long long val) + : ulong_long_value(val) + {} + value(int128_t val) + : int128_value(val) + {} + value(uint128_t val) + : uint128_value(val) + {} + value(float val) + : float_value(val) + {} + value(double val) + : double_value(val) + {} + value(long double val) + : long_double_value(val) + {} + value(bool val) + : bool_value(val) + {} + value(char_type val) + : char_value(val) + {} + value(const char_type *val) + { + string.data = val; + } + value(basic_string_view val) + { + string.data = val.data(); + string.size = val.size(); + } + value(const void *val) + : pointer(val) + {} - template value(const T& val) { - custom.value = &val; - // Get the formatter type through the context to allow different contexts - // have different extension points, e.g. `formatter` for `format` and - // `printf_formatter` for `printf`. - custom.format = format_custom_arg< - T, conditional_t::value, - typename Context::template formatter_type, - fallback_formatter>>; - } + template + value(const T &val) + { + custom.value = &val; + // Get the formatter type through the context to allow different contexts + // have different extension points, e.g. `formatter` for `format` and + // `printf_formatter` for `printf`. + custom.format = format_custom_arg::value, typename Context::template formatter_type, + fallback_formatter>>; + } - value(const named_arg_base& val) { named_arg = &val; } + value(const named_arg_base &val) + { + named_arg = &val; + } - private: - // Formats an argument of a custom type, such as a user-defined class. - template - static void format_custom_arg( - const void* arg, basic_format_parse_context& parse_ctx, - Context& ctx) { - Formatter f; - parse_ctx.advance_to(f.parse(parse_ctx)); - ctx.advance_to(f.format(*static_cast(arg), ctx)); - } +private: + // Formats an argument of a custom type, such as a user-defined class. + template + static void format_custom_arg(const void *arg, basic_format_parse_context &parse_ctx, Context &ctx) + { + Formatter f; + parse_ctx.advance_to(f.parse(parse_ctx)); + ctx.advance_to(f.format(*static_cast(arg), ctx)); + } }; -template -FMT_CONSTEXPR basic_format_arg make_arg(const T& value); +template +FMT_CONSTEXPR basic_format_arg make_arg(const T &value); // 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) }; +enum +{ + long_short = sizeof(long) == sizeof(int) +}; using long_type = conditional_t; using ulong_type = conditional_t; // Maps formatting arguments to core types. -template struct arg_mapper { - using char_type = typename Context::char_type; +template +struct arg_mapper +{ + using char_type = typename Context::char_type; - FMT_CONSTEXPR int map(signed char val) { return val; } - FMT_CONSTEXPR unsigned map(unsigned char val) { return val; } - FMT_CONSTEXPR int map(short val) { return val; } - FMT_CONSTEXPR unsigned map(unsigned short val) { return val; } - FMT_CONSTEXPR int map(int val) { return val; } - FMT_CONSTEXPR unsigned map(unsigned val) { return val; } - FMT_CONSTEXPR long_type map(long val) { return val; } - FMT_CONSTEXPR ulong_type map(unsigned long val) { return val; } - FMT_CONSTEXPR long long map(long long val) { return val; } - FMT_CONSTEXPR unsigned long long map(unsigned long long val) { return val; } - FMT_CONSTEXPR int128_t map(int128_t val) { return val; } - FMT_CONSTEXPR uint128_t map(uint128_t val) { return val; } - FMT_CONSTEXPR bool map(bool val) { return val; } + FMT_CONSTEXPR int map(signed char val) + { + return val; + } + FMT_CONSTEXPR unsigned map(unsigned char val) + { + return val; + } + FMT_CONSTEXPR int map(short val) + { + return val; + } + FMT_CONSTEXPR unsigned map(unsigned short val) + { + return val; + } + FMT_CONSTEXPR int map(int val) + { + return val; + } + FMT_CONSTEXPR unsigned map(unsigned val) + { + return val; + } + FMT_CONSTEXPR long_type map(long val) + { + return val; + } + FMT_CONSTEXPR ulong_type map(unsigned long val) + { + return val; + } + FMT_CONSTEXPR long long map(long long val) + { + return val; + } + FMT_CONSTEXPR unsigned long long map(unsigned long long val) + { + return val; + } + FMT_CONSTEXPR int128_t map(int128_t val) + { + return val; + } + FMT_CONSTEXPR uint128_t map(uint128_t val) + { + return val; + } + FMT_CONSTEXPR bool map(bool val) + { + return val; + } - template ::value)> - FMT_CONSTEXPR char_type map(T val) { - static_assert( - std::is_same::value || std::is_same::value, - "mixing character types is disallowed"); - return val; - } + template::value)> + FMT_CONSTEXPR char_type map(T val) + { + static_assert(std::is_same::value || std::is_same::value, "mixing character types is disallowed"); + return val; + } - FMT_CONSTEXPR float map(float val) { return val; } - FMT_CONSTEXPR double map(double val) { return val; } - FMT_CONSTEXPR long double map(long double val) { return val; } + FMT_CONSTEXPR float map(float val) + { + return val; + } + FMT_CONSTEXPR double map(double val) + { + return val; + } + FMT_CONSTEXPR long double map(long double val) + { + return val; + } - FMT_CONSTEXPR const char_type* map(char_type* val) { return val; } - FMT_CONSTEXPR const char_type* map(const char_type* val) { return val; } - template ::value)> - FMT_CONSTEXPR basic_string_view map(const T& val) { - static_assert(std::is_same>::value, - "mixing character types is disallowed"); - return to_string_view(val); - } - template , T>::value && - !is_string::value)> - FMT_CONSTEXPR basic_string_view map(const T& val) { - return basic_string_view(val); - } - template < - typename T, - FMT_ENABLE_IF( - std::is_constructible, T>::value && - !std::is_constructible, T>::value && - !is_string::value && !has_formatter::value)> - FMT_CONSTEXPR basic_string_view map(const T& val) { - return std_string_view(val); - } - FMT_CONSTEXPR const char* map(const signed char* val) { - static_assert(std::is_same::value, "invalid string type"); - return reinterpret_cast(val); - } - FMT_CONSTEXPR const char* map(const unsigned char* val) { - static_assert(std::is_same::value, "invalid string type"); - return reinterpret_cast(val); - } + FMT_CONSTEXPR const char_type *map(char_type *val) + { + return val; + } + FMT_CONSTEXPR const char_type *map(const char_type *val) + { + return val; + } + template::value)> + FMT_CONSTEXPR basic_string_view map(const T &val) + { + static_assert(std::is_same>::value, "mixing character types is disallowed"); + return to_string_view(val); + } + template, T>::value && !is_string::value)> + FMT_CONSTEXPR basic_string_view map(const T &val) + { + return basic_string_view(val); + } + template, T>::value && + !std::is_constructible, T>::value && !is_string::value && + !has_formatter::value)> + FMT_CONSTEXPR basic_string_view map(const T &val) + { + return std_string_view(val); + } + FMT_CONSTEXPR const char *map(const signed char *val) + { + static_assert(std::is_same::value, "invalid string type"); + return reinterpret_cast(val); + } + FMT_CONSTEXPR const char *map(const unsigned char *val) + { + static_assert(std::is_same::value, "invalid string type"); + return reinterpret_cast(val); + } - FMT_CONSTEXPR const void* map(void* val) { return val; } - FMT_CONSTEXPR const void* map(const void* val) { return val; } - FMT_CONSTEXPR const void* map(std::nullptr_t val) { return val; } - template FMT_CONSTEXPR int map(const T*) { - // Formatting of arbitrary pointers is disallowed. If you want to output - // a pointer cast it to "void *" or "const void *". In particular, this - // forbids formatting of "[const] volatile char *" which is printed as bool - // by iostreams. - static_assert(!sizeof(T), "formatting of non-void pointers is disallowed"); - return 0; - } + FMT_CONSTEXPR const void *map(void *val) + { + return val; + } + FMT_CONSTEXPR const void *map(const void *val) + { + return val; + } + FMT_CONSTEXPR const void *map(std::nullptr_t val) + { + return val; + } + template + FMT_CONSTEXPR int map(const T *) + { + // Formatting of arbitrary pointers is disallowed. If you want to output + // a pointer cast it to "void *" or "const void *". In particular, this + // forbids formatting of "[const] volatile char *" which is printed as bool + // by iostreams. + static_assert(!sizeof(T), "formatting of non-void pointers is disallowed"); + return 0; + } - template ::value && - !has_formatter::value && - !has_fallback_formatter::value)> - FMT_CONSTEXPR auto map(const T& val) -> decltype( - map(static_cast::type>(val))) { - return map(static_cast::type>(val)); - } - template < - typename T, - FMT_ENABLE_IF( - !is_string::value && !is_char::value && - !std::is_constructible, T>::value && - (has_formatter::value || - (has_fallback_formatter::value && - !std::is_constructible, T>::value)))> - FMT_CONSTEXPR const T& map(const T& val) { - return val; - } + template::value && !has_formatter::value && !has_fallback_formatter::value)> + FMT_CONSTEXPR auto map(const T &val) -> decltype(map(static_cast::type>(val))) + { + return map(static_cast::type>(val)); + } + template::value && !is_char::value && !std::is_constructible, T>::value && + (has_formatter::value || + (has_fallback_formatter::value && !std::is_constructible, T>::value)))> + FMT_CONSTEXPR const T &map(const T &val) + { + return val; + } - template - FMT_CONSTEXPR const named_arg_base& map( - const named_arg& val) { - auto arg = make_arg(val.value); - std::memcpy(val.data, &arg, sizeof(arg)); - return val; - } + template + FMT_CONSTEXPR const named_arg_base &map(const named_arg &val) + { + auto arg = make_arg(val.value); + std::memcpy(val.data, &arg, sizeof(arg)); + return val; + } }; // A type constant after applying arg_mapper. -template -using mapped_type_constant = - type_constant().map(std::declval())), - typename Context::char_type>; +template +using mapped_type_constant = type_constant().map(std::declval())), typename Context::char_type>; -enum { packed_arg_bits = 5 }; +enum +{ + packed_arg_bits = 5 +}; // Maximum number of arguments with packed types. -enum { max_packed_args = 63 / packed_arg_bits }; -enum : unsigned long long { is_unpacked_bit = 1ULL << 63 }; +enum +{ + max_packed_args = 63 / packed_arg_bits +}; +enum : unsigned long long +{ + is_unpacked_bit = 1ULL << 63 +}; -template class arg_map; -} // namespace internal +template +class arg_map; +} // namespace internal // A formatting argument. It is a trivially copyable/constructible type to // allow storage in basic_memory_buffer. -template class basic_format_arg { - private: - internal::value value_; - internal::type type_; +template +class basic_format_arg +{ +private: + internal::value value_; + internal::type type_; - template - friend FMT_CONSTEXPR basic_format_arg internal::make_arg( - const T& value); + template + friend FMT_CONSTEXPR basic_format_arg internal::make_arg(const T &value); - template - friend FMT_CONSTEXPR auto visit_format_arg(Visitor&& vis, - const basic_format_arg& arg) - -> decltype(vis(0)); + template + friend FMT_CONSTEXPR auto visit_format_arg(Visitor &&vis, const basic_format_arg &arg) -> decltype(vis(0)); - friend class basic_format_args; - friend class internal::arg_map; + friend class basic_format_args; + friend class internal::arg_map; - using char_type = typename Context::char_type; + using char_type = typename Context::char_type; - public: - class handle { - public: - explicit handle(internal::custom_value custom) : custom_(custom) {} +public: + class handle + { + public: + explicit handle(internal::custom_value custom) + : custom_(custom) + {} - void format(basic_format_parse_context& parse_ctx, - Context& ctx) const { - custom_.format(custom_.value, parse_ctx, ctx); + void format(basic_format_parse_context &parse_ctx, Context &ctx) const + { + custom_.format(custom_.value, parse_ctx, ctx); + } + + private: + internal::custom_value custom_; + }; + + FMT_CONSTEXPR basic_format_arg() + : type_(internal::none_type) + {} + + FMT_CONSTEXPR explicit operator bool() const FMT_NOEXCEPT + { + return type_ != internal::none_type; } - private: - internal::custom_value custom_; - }; + internal::type type() const + { + return type_; + } - FMT_CONSTEXPR basic_format_arg() : type_(internal::none_type) {} - - FMT_CONSTEXPR explicit operator bool() const FMT_NOEXCEPT { - return type_ != internal::none_type; - } - - internal::type type() const { return type_; } - - bool is_integral() const { return internal::is_integral_type(type_); } - bool is_arithmetic() const { return internal::is_arithmetic_type(type_); } + bool is_integral() const + { + return internal::is_integral_type(type_); + } + bool is_arithmetic() const + { + return internal::is_arithmetic_type(type_); + } }; /** @@ -1000,187 +1229,232 @@ template class basic_format_arg { ``vis(value)`` will be called with the value of type ``double``. \endrst */ -template -FMT_CONSTEXPR auto visit_format_arg(Visitor&& vis, - const basic_format_arg& arg) - -> decltype(vis(0)) { - using char_type = typename Context::char_type; - switch (arg.type_) { - case internal::none_type: - break; - case internal::named_arg_type: - FMT_ASSERT(false, "invalid argument type"); - break; - case internal::int_type: - return vis(arg.value_.int_value); - case internal::uint_type: - return vis(arg.value_.uint_value); - case internal::long_long_type: - return vis(arg.value_.long_long_value); - case internal::ulong_long_type: - return vis(arg.value_.ulong_long_value); +template +FMT_CONSTEXPR auto visit_format_arg(Visitor &&vis, const basic_format_arg &arg) -> decltype(vis(0)) +{ + using char_type = typename Context::char_type; + switch (arg.type_) + { + case internal::none_type: + break; + case internal::named_arg_type: + FMT_ASSERT(false, "invalid argument type"); + break; + case internal::int_type: + return vis(arg.value_.int_value); + case internal::uint_type: + return vis(arg.value_.uint_value); + case internal::long_long_type: + return vis(arg.value_.long_long_value); + case internal::ulong_long_type: + return vis(arg.value_.ulong_long_value); #if FMT_USE_INT128 - case internal::int128_type: - return vis(arg.value_.int128_value); - case internal::uint128_type: - return vis(arg.value_.uint128_value); + case internal::int128_type: + return vis(arg.value_.int128_value); + case internal::uint128_type: + return vis(arg.value_.uint128_value); #else - case internal::int128_type: - case internal::uint128_type: - break; + case internal::int128_type: + case internal::uint128_type: + break; #endif - case internal::bool_type: - return vis(arg.value_.bool_value); - case internal::char_type: - return vis(arg.value_.char_value); - case internal::float_type: - return vis(arg.value_.float_value); - case internal::double_type: - return vis(arg.value_.double_value); - case internal::long_double_type: - return vis(arg.value_.long_double_value); - case internal::cstring_type: - return vis(arg.value_.string.data); - case internal::string_type: - return vis(basic_string_view(arg.value_.string.data, - arg.value_.string.size)); - case internal::pointer_type: - return vis(arg.value_.pointer); - case internal::custom_type: - return vis(typename basic_format_arg::handle(arg.value_.custom)); - } - return vis(monostate()); + case internal::bool_type: + return vis(arg.value_.bool_value); + case internal::char_type: + return vis(arg.value_.char_value); + case internal::float_type: + return vis(arg.value_.float_value); + case internal::double_type: + return vis(arg.value_.double_value); + case internal::long_double_type: + return vis(arg.value_.long_double_value); + case internal::cstring_type: + return vis(arg.value_.string.data); + case internal::string_type: + return vis(basic_string_view(arg.value_.string.data, arg.value_.string.size)); + case internal::pointer_type: + return vis(arg.value_.pointer); + case internal::custom_type: + return vis(typename basic_format_arg::handle(arg.value_.custom)); + } + return vis(monostate()); } namespace internal { // A map from argument names to their values for named arguments. -template class arg_map { - private: - using char_type = typename Context::char_type; +template +class arg_map +{ +private: + using char_type = typename Context::char_type; - struct entry { - basic_string_view name; - basic_format_arg arg; - }; + struct entry + { + basic_string_view name; + basic_format_arg arg; + }; - entry* map_; - unsigned size_; + entry *map_; + unsigned size_; - void push_back(value val) { - const auto& named = *val.named_arg; - map_[size_] = {named.name, named.template deserialize()}; - ++size_; - } - - public: - arg_map(const arg_map&) = delete; - void operator=(const arg_map&) = delete; - arg_map() : map_(nullptr), size_(0) {} - void init(const basic_format_args& args); - ~arg_map() { delete[] map_; } - - basic_format_arg find(basic_string_view name) const { - // The list is unsorted, so just return the first matching name. - for (entry *it = map_, *end = map_ + size_; it != end; ++it) { - if (it->name == name) return it->arg; + void push_back(value val) + { + const auto &named = *val.named_arg; + map_[size_] = {named.name, named.template deserialize()}; + ++size_; + } + +public: + arg_map(const arg_map &) = delete; + void operator=(const arg_map &) = delete; + arg_map() + : map_(nullptr) + , size_(0) + {} + void init(const basic_format_args &args); + ~arg_map() + { + delete[] map_; + } + + basic_format_arg find(basic_string_view name) const + { + // The list is unsorted, so just return the first matching name. + for (entry *it = map_, *end = map_ + size_; it != end; ++it) + { + if (it->name == name) + return it->arg; + } + return {}; } - return {}; - } }; // A type-erased reference to an std::locale to avoid heavy include. -class locale_ref { - private: - const void* locale_; // A type-erased pointer to std::locale. +class locale_ref +{ +private: + const void *locale_; // A type-erased pointer to std::locale. - public: - locale_ref() : locale_(nullptr) {} - template explicit locale_ref(const Locale& loc); +public: + locale_ref() + : locale_(nullptr) + {} + template + explicit locale_ref(const Locale &loc); - explicit operator bool() const FMT_NOEXCEPT { return locale_ != nullptr; } + explicit operator bool() const FMT_NOEXCEPT + { + return locale_ != nullptr; + } - template Locale get() const; + template + Locale get() const; }; -template constexpr unsigned long long encode_types() { return 0; } - -template -constexpr unsigned long long encode_types() { - return mapped_type_constant::value | - (encode_types() << packed_arg_bits); +template +constexpr unsigned long long encode_types() +{ + return 0; } -template -FMT_CONSTEXPR basic_format_arg make_arg(const T& value) { - basic_format_arg arg; - arg.type_ = mapped_type_constant::value; - arg.value_ = arg_mapper().map(value); - return arg; +template +constexpr unsigned long long encode_types() +{ + return mapped_type_constant::value | (encode_types() << packed_arg_bits); } -template -inline value make_arg(const T& val) { - return arg_mapper().map(val); +template +FMT_CONSTEXPR basic_format_arg make_arg(const T &value) +{ + basic_format_arg arg; + arg.type_ = mapped_type_constant::value; + arg.value_ = arg_mapper().map(value); + return arg; } -template -inline basic_format_arg make_arg(const T& value) { - return make_arg(value); +template +inline value make_arg(const T &val) +{ + return arg_mapper().map(val); } -} // namespace internal + +template +inline basic_format_arg make_arg(const T &value) +{ + return make_arg(value); +} +} // namespace internal // Formatting context. -template class basic_format_context { - public: - /** The character type for the output. */ - using char_type = Char; +template +class basic_format_context +{ +public: + /** The character type for the output. */ + using char_type = Char; - private: - OutputIt out_; - basic_format_args args_; - internal::arg_map map_; - internal::locale_ref loc_; +private: + OutputIt out_; + basic_format_args args_; + internal::arg_map map_; + internal::locale_ref loc_; - public: - using iterator = OutputIt; - using format_arg = basic_format_arg; - template using formatter_type = formatter; +public: + using iterator = OutputIt; + using format_arg = basic_format_arg; + template + using formatter_type = formatter; - basic_format_context(const basic_format_context&) = delete; - void operator=(const basic_format_context&) = delete; - /** - Constructs a ``basic_format_context`` object. References to the arguments are - stored in the object so make sure they have appropriate lifetimes. - */ - basic_format_context(OutputIt out, - basic_format_args ctx_args, - internal::locale_ref loc = internal::locale_ref()) - : out_(out), args_(ctx_args), loc_(loc) {} + basic_format_context(const basic_format_context &) = delete; + void operator=(const basic_format_context &) = delete; + /** + Constructs a ``basic_format_context`` object. References to the arguments are + stored in the object so make sure they have appropriate lifetimes. + */ + basic_format_context(OutputIt out, basic_format_args ctx_args, internal::locale_ref loc = internal::locale_ref()) + : out_(out) + , args_(ctx_args) + , loc_(loc) + {} - format_arg arg(int id) const { return args_.get(id); } + format_arg arg(int id) const + { + return args_.get(id); + } - // Checks if manual indexing is used and returns the argument with the - // specified name. - format_arg arg(basic_string_view name); + // Checks if manual indexing is used and returns the argument with the + // specified name. + format_arg arg(basic_string_view name); - internal::error_handler error_handler() { return {}; } - void on_error(const char* message) { error_handler().on_error(message); } + internal::error_handler error_handler() + { + return {}; + } + void on_error(const char *message) + { + error_handler().on_error(message); + } - // Returns an iterator to the beginning of the output range. - iterator out() { return out_; } + // Returns an iterator to the beginning of the output range. + iterator out() + { + return out_; + } - // Advances the begin iterator to ``it``. - void advance_to(iterator it) { out_ = it; } + // Advances the begin iterator to ``it``. + void advance_to(iterator it) + { + out_ = it; + } - internal::locale_ref locale() { return loc_; } + internal::locale_ref locale() + { + return loc_; + } }; -template -using buffer_context = - basic_format_context>, - Char>; +template +using buffer_context = basic_format_context>, Char>; using format_context = buffer_context; using wformat_context = buffer_context; @@ -1191,26 +1465,27 @@ using wformat_context = buffer_context; such as `~fmt::vformat`. \endrst */ -template class format_arg_store { - private: - static const size_t num_args = sizeof...(Args); - static const bool is_packed = num_args < internal::max_packed_args; +template +class format_arg_store +{ +private: + static const size_t num_args = sizeof...(Args); + static const bool is_packed = num_args < internal::max_packed_args; - using value_type = conditional_t, - basic_format_arg>; + using value_type = conditional_t, basic_format_arg>; - // If the arguments are not packed, add one more element to mark the end. - value_type data_[num_args + (num_args == 0 ? 1 : 0)]; + // If the arguments are not packed, add one more element to mark the end. + value_type data_[num_args + (num_args == 0 ? 1 : 0)]; - friend class basic_format_args; + friend class basic_format_args; - public: - static constexpr unsigned long long types = - is_packed ? internal::encode_types() - : internal::is_unpacked_bit | num_args; +public: + static constexpr unsigned long long types = + is_packed ? internal::encode_types() : internal::is_unpacked_bit | num_args; - format_arg_store(const Args&... args) - : data_{internal::make_arg(args)...} {} + format_arg_store(const Args &... args) + : data_{internal::make_arg(args)...} + {} }; /** @@ -1221,187 +1496,227 @@ template class format_arg_store { See `~fmt::arg` for lifetime considerations. \endrst */ -template -inline format_arg_store make_format_args( - const Args&... args) { - return {args...}; +template +inline format_arg_store make_format_args(const Args &... args) +{ + return {args...}; } /** Formatting arguments. */ -template class basic_format_args { - public: - using size_type = int; - using format_arg = basic_format_arg; +template +class basic_format_args +{ +public: + using size_type = int; + using format_arg = basic_format_arg; - private: - // To reduce compiled code size per formatting function call, types of first - // max_packed_args arguments are passed in the types_ field. - unsigned long long types_; - union { - // If the number of arguments is less than max_packed_args, the argument - // values are stored in values_, otherwise they are stored in args_. - // This is done to reduce compiled code size as storing larger objects - // may require more code (at least on x86-64) even if the same amount of - // data is actually copied to stack. It saves ~10% on the bloat test. - const internal::value* values_; - const format_arg* args_; - }; +private: + // To reduce compiled code size per formatting function call, types of first + // max_packed_args arguments are passed in the types_ field. + unsigned long long types_; + union + { + // If the number of arguments is less than max_packed_args, the argument + // values are stored in values_, otherwise they are stored in args_. + // This is done to reduce compiled code size as storing larger objects + // may require more code (at least on x86-64) even if the same amount of + // data is actually copied to stack. It saves ~10% on the bloat test. + const internal::value *values_; + const format_arg *args_; + }; - bool is_packed() const { return (types_ & internal::is_unpacked_bit) == 0; } - - internal::type type(int index) const { - int shift = index * internal::packed_arg_bits; - unsigned int mask = (1 << internal::packed_arg_bits) - 1; - return static_cast((types_ >> shift) & mask); - } - - friend class internal::arg_map; - - void set_data(const internal::value* values) { values_ = values; } - void set_data(const format_arg* args) { args_ = args; } - - format_arg do_get(int index) const { - format_arg arg; - if (!is_packed()) { - auto num_args = max_size(); - if (index < num_args) arg = args_[index]; - return arg; + bool is_packed() const + { + return (types_ & internal::is_unpacked_bit) == 0; } - if (index > internal::max_packed_args) return arg; - arg.type_ = type(index); - if (arg.type_ == internal::none_type) return arg; - internal::value& val = arg.value_; - val = values_[index]; - return arg; - } - public: - basic_format_args() : types_(0) {} + internal::type type(int index) const + { + int shift = index * internal::packed_arg_bits; + unsigned int mask = (1 << internal::packed_arg_bits) - 1; + return static_cast((types_ >> shift) & mask); + } - /** - \rst - Constructs a `basic_format_args` object from `~fmt::format_arg_store`. - \endrst - */ - template - basic_format_args(const format_arg_store& store) - : types_(store.types) { - set_data(store.data_); - } + friend class internal::arg_map; - /** - \rst - Constructs a `basic_format_args` object from a dynamic set of arguments. - \endrst - */ - basic_format_args(const format_arg* args, int count) - : types_(internal::is_unpacked_bit | internal::to_unsigned(count)) { - set_data(args); - } + void set_data(const internal::value *values) + { + values_ = values; + } + void set_data(const format_arg *args) + { + args_ = args; + } - /** Returns the argument at specified index. */ - format_arg get(int index) const { - format_arg arg = do_get(index); - if (arg.type_ == internal::named_arg_type) - arg = arg.value_.named_arg->template deserialize(); - return arg; - } + format_arg do_get(int index) const + { + format_arg arg; + if (!is_packed()) + { + auto num_args = max_size(); + if (index < num_args) + arg = args_[index]; + return arg; + } + if (index > internal::max_packed_args) + return arg; + arg.type_ = type(index); + if (arg.type_ == internal::none_type) + return arg; + internal::value &val = arg.value_; + val = values_[index]; + return arg; + } - int max_size() const { - unsigned long long max_packed = internal::max_packed_args; - return static_cast(is_packed() ? max_packed - : types_ & ~internal::is_unpacked_bit); - } +public: + basic_format_args() + : types_(0) + {} + + /** + \rst + Constructs a `basic_format_args` object from `~fmt::format_arg_store`. + \endrst + */ + template + basic_format_args(const format_arg_store &store) + : types_(store.types) + { + set_data(store.data_); + } + + /** + \rst + Constructs a `basic_format_args` object from a dynamic set of arguments. + \endrst + */ + basic_format_args(const format_arg *args, int count) + : types_(internal::is_unpacked_bit | internal::to_unsigned(count)) + { + set_data(args); + } + + /** Returns the argument at specified index. */ + format_arg get(int index) const + { + format_arg arg = do_get(index); + if (arg.type_ == internal::named_arg_type) + arg = arg.value_.named_arg->template deserialize(); + return arg; + } + + int max_size() const + { + unsigned long long max_packed = internal::max_packed_args; + return static_cast(is_packed() ? max_packed : types_ & ~internal::is_unpacked_bit); + } }; /** An alias to ``basic_format_args``. */ // It is a separate type rather than an alias to make symbols readable. -struct format_args : basic_format_args { - template - format_args(Args&&... args) - : basic_format_args(std::forward(args)...) {} +struct format_args : basic_format_args +{ + template + format_args(Args &&... args) + : basic_format_args(std::forward(args)...) + {} }; -struct wformat_args : basic_format_args { - template - wformat_args(Args&&... args) - : basic_format_args(std::forward(args)...) {} +struct wformat_args : basic_format_args +{ + template + wformat_args(Args &&... args) + : basic_format_args(std::forward(args)...) + {} }; -template struct is_contiguous : std::false_type {}; +template +struct is_contiguous : std::false_type +{}; -template -struct is_contiguous> : std::true_type {}; +template +struct is_contiguous> : std::true_type +{}; -template -struct is_contiguous> : std::true_type {}; +template +struct is_contiguous> : std::true_type +{}; namespace internal { -template -struct is_contiguous_back_insert_iterator : std::false_type {}; -template -struct is_contiguous_back_insert_iterator> - : is_contiguous {}; +template +struct is_contiguous_back_insert_iterator : std::false_type +{}; +template +struct is_contiguous_back_insert_iterator> : is_contiguous +{}; -template struct named_arg_base { - basic_string_view name; +template +struct named_arg_base +{ + basic_string_view name; - // Serialized value. - mutable char data[sizeof(basic_format_arg>)]; + // Serialized value. + mutable char data[sizeof(basic_format_arg>)]; - named_arg_base(basic_string_view nm) : name(nm) {} + named_arg_base(basic_string_view nm) + : name(nm) + {} - template basic_format_arg deserialize() const { - basic_format_arg arg; - std::memcpy(&arg, data, sizeof(basic_format_arg)); - return arg; - } + template + basic_format_arg deserialize() const + { + basic_format_arg arg; + std::memcpy(&arg, data, sizeof(basic_format_arg)); + return arg; + } }; -template struct named_arg : named_arg_base { - const T& value; +template +struct named_arg : named_arg_base +{ + const T &value; - named_arg(basic_string_view name, const T& val) - : named_arg_base(name), value(val) {} + named_arg(basic_string_view name, const T &val) + : named_arg_base(name) + , value(val) + {} }; -template ::value)> -inline void check_format_string(const S&) { +template::value)> +inline void check_format_string(const S &) +{ #if defined(FMT_ENFORCE_COMPILE_STRING) - static_assert(is_compile_string::value, - "FMT_ENFORCE_COMPILE_STRING requires all format strings to " - "utilize FMT_STRING() or fmt()."); + static_assert(is_compile_string::value, "FMT_ENFORCE_COMPILE_STRING requires all format strings to " + "utilize FMT_STRING() or fmt()."); #endif } -template ::value)> +template::value)> void check_format_string(S); -struct view {}; -template struct bool_pack; -template -using all_true = - std::is_same, bool_pack>; +struct view +{}; +template +struct bool_pack; +template +using all_true = std::is_same, bool_pack>; -template > -inline format_arg_store, remove_reference_t...> -make_args_checked(const S& format_str, - const remove_reference_t&... args) { - static_assert(all_true<(!std::is_base_of>() || - !std::is_reference())...>::value, - "passing views as lvalues is disallowed"); - check_format_string>...>(format_str); - return {args...}; +template> +inline format_arg_store, remove_reference_t...> make_args_checked( + const S &format_str, const remove_reference_t &... args) +{ + static_assert(all_true<(!std::is_base_of>() || !std::is_reference())...>::value, + "passing views as lvalues is disallowed"); + check_format_string>...>(format_str); + return {args...}; } -template -std::basic_string vformat(basic_string_view format_str, - basic_format_args> args); +template +std::basic_string vformat(basic_string_view format_str, basic_format_args> args); -template +template typename buffer_context::iterator vformat_to( - buffer& buf, basic_string_view format_str, - basic_format_args> args); -} // namespace internal + buffer &buf, basic_string_view format_str, basic_format_args> args); +} // namespace internal /** \rst @@ -1418,45 +1733,40 @@ typename buffer_context::iterator vformat_to( fmt::print("Elapsed time: {s:.2f} seconds", fmt::arg("s", 1.23)); \endrst */ -template > -inline internal::named_arg arg(const S& name, const T& arg) { - static_assert(internal::is_string::value, ""); - return {name, arg}; +template> +inline internal::named_arg arg(const S &name, const T &arg) +{ + static_assert(internal::is_string::value, ""); + return {name, arg}; } // Disable nested named arguments, e.g. ``arg("a", arg("b", 42))``. -template +template void arg(S, internal::named_arg) = delete; /** Formats a string and writes the output to ``out``. */ // GCC 8 and earlier cannot handle std::back_insert_iterator with // vformat_to(...) overload, so SFINAE on iterator type instead. -template , - FMT_ENABLE_IF( - internal::is_contiguous_back_insert_iterator::value)> -OutputIt vformat_to(OutputIt out, const S& format_str, - basic_format_args> args) { - using container = remove_reference_t; - internal::container_buffer buf((internal::get_container(out))); - internal::vformat_to(buf, to_string_view(format_str), args); - return out; +template, + FMT_ENABLE_IF(internal::is_contiguous_back_insert_iterator::value)> +OutputIt vformat_to(OutputIt out, const S &format_str, basic_format_args> args) +{ + using container = remove_reference_t; + internal::container_buffer buf((internal::get_container(out))); + internal::vformat_to(buf, to_string_view(format_str), args); + return out; } -template ::value&& internal::is_string::value)> -inline std::back_insert_iterator format_to( - std::back_insert_iterator out, const S& format_str, - Args&&... args) { - return vformat_to( - out, to_string_view(format_str), - {internal::make_args_checked(format_str, args...)}); +template::value &&internal::is_string::value)> +inline std::back_insert_iterator format_to(std::back_insert_iterator out, const S &format_str, Args &&... args) +{ + return vformat_to(out, to_string_view(format_str), {internal::make_args_checked(format_str, args...)}); } -template > -inline std::basic_string vformat( - const S& format_str, basic_format_args> args) { - return internal::vformat(to_string_view(format_str), args); +template> +inline std::basic_string vformat(const S &format_str, basic_format_args> args) +{ + return internal::vformat(to_string_view(format_str), args); } /** @@ -1471,14 +1781,13 @@ inline std::basic_string vformat( */ // Pass char_t as a default template parameter instead of using // std::basic_string> to reduce the symbol size. -template > -inline std::basic_string format(const S& format_str, Args&&... args) { - return internal::vformat( - to_string_view(format_str), - {internal::make_args_checked(format_str, args...)}); +template> +inline std::basic_string format(const S &format_str, Args &&... args) +{ + return internal::vformat(to_string_view(format_str), {internal::make_args_checked(format_str, args...)}); } -FMT_API void vprint(std::FILE* f, string_view format_str, format_args args); +FMT_API void vprint(std::FILE *f, string_view format_str, format_args args); FMT_API void vprint(string_view format_str, format_args args); /** @@ -1492,11 +1801,10 @@ FMT_API void vprint(string_view format_str, format_args args); fmt::print(stderr, "Don't {}!", "panic"); \endrst */ -template ::value)> -inline void print(std::FILE* f, const S& format_str, Args&&... args) { - vprint(f, to_string_view(format_str), - internal::make_args_checked(format_str, args...)); +template::value)> +inline void print(std::FILE *f, const S &format_str, Args &&... args) +{ + vprint(f, to_string_view(format_str), internal::make_args_checked(format_str, args...)); } /** @@ -1508,12 +1816,11 @@ inline void print(std::FILE* f, const S& format_str, Args&&... args) { fmt::print("Elapsed time: {0:.2f} seconds", 1.23); \endrst */ -template ::value)> -inline void print(const S& format_str, Args&&... args) { - vprint(to_string_view(format_str), - internal::make_args_checked(format_str, args...)); +template::value)> +inline void print(const S &format_str, Args &&... args) +{ + vprint(to_string_view(format_str), internal::make_args_checked(format_str, args...)); } FMT_END_NAMESPACE -#endif // FMT_CORE_H_ +#endif // FMT_CORE_H_ diff --git a/third_party/spdlog/include/spdlog/fmt/bundled/format-inl.h b/third_party/spdlog/include/spdlog/fmt/bundled/format-inl.h index 72b30466..341a0ed8 100644 --- a/third_party/spdlog/include/spdlog/fmt/bundled/format-inl.h +++ b/third_party/spdlog/include/spdlog/fmt/bundled/format-inl.h @@ -15,65 +15,73 @@ #include #include #include -#include // for std::memmove +#include // for std::memmove #include #if !defined(FMT_STATIC_THOUSANDS_SEPARATOR) -# include +#include #endif #if FMT_USE_WINDOWS_H -# if !defined(FMT_HEADER_ONLY) && !defined(WIN32_LEAN_AND_MEAN) -# define WIN32_LEAN_AND_MEAN -# endif -# if defined(NOMINMAX) || defined(FMT_WIN_MINMAX) -# include -# else -# define NOMINMAX -# include -# undef NOMINMAX -# endif +#if !defined(FMT_HEADER_ONLY) && !defined(WIN32_LEAN_AND_MEAN) +#define WIN32_LEAN_AND_MEAN +#endif +#if defined(NOMINMAX) || defined(FMT_WIN_MINMAX) +#include +#else +#define NOMINMAX +#include +#undef NOMINMAX +#endif #endif #if FMT_EXCEPTIONS -# define FMT_TRY try -# define FMT_CATCH(x) catch (x) +#define FMT_TRY try +#define FMT_CATCH(x) catch (x) #else -# define FMT_TRY if (true) -# define FMT_CATCH(x) if (false) +#define FMT_TRY if (true) +#define FMT_CATCH(x) if (false) #endif #ifdef _MSC_VER -# pragma warning(push) -# pragma warning(disable : 4702) // unreachable code +#pragma warning(push) +#pragma warning(disable : 4702) // unreachable code #endif // Dummy implementations of strerror_r and strerror_s called if corresponding // system functions are not available. -inline fmt::internal::null<> strerror_r(int, char*, ...) { return {}; } -inline fmt::internal::null<> strerror_s(char*, std::size_t, ...) { return {}; } +inline fmt::internal::null<> strerror_r(int, char *, ...) +{ + return {}; +} +inline fmt::internal::null<> strerror_s(char *, std::size_t, ...) +{ + return {}; +} FMT_BEGIN_NAMESPACE namespace internal { -FMT_FUNC void assert_fail(const char* file, int line, const char* message) { - print(stderr, "{}:{}: assertion failed: {}", file, line, message); - std::abort(); +FMT_FUNC void assert_fail(const char *file, int line, const char *message) +{ + print(stderr, "{}:{}: assertion failed: {}", file, line, message); + std::abort(); } #ifndef _MSC_VER -# define FMT_SNPRINTF snprintf -#else // _MSC_VER -inline int fmt_snprintf(char* buffer, size_t size, const char* format, ...) { - va_list args; - va_start(args, format); - int result = vsnprintf_s(buffer, size, _TRUNCATE, format, args); - va_end(args); - return result; +#define FMT_SNPRINTF snprintf +#else // _MSC_VER +inline int fmt_snprintf(char *buffer, size_t size, const char *format, ...) +{ + va_list args; + va_start(args, format); + int result = vsnprintf_s(buffer, size, _TRUNCATE, format, args); + va_end(args); + return result; } -# define FMT_SNPRINTF fmt_snprintf -#endif // _MSC_VER +#define FMT_SNPRINTF fmt_snprintf +#endif // _MSC_VER -using format_func = void (*)(internal::buffer&, int, string_view); +using format_func = void (*)(internal::buffer &, int, string_view); // A portable thread-safe version of strerror. // Sets buffer to point to a string describing the error code. @@ -84,1313 +92,1544 @@ using format_func = void (*)(internal::buffer&, int, string_view); // ERANGE - buffer is not large enough to store the error message // other - failure // Buffer should be at least of size 1. -FMT_FUNC int safe_strerror(int error_code, char*& buffer, - std::size_t buffer_size) FMT_NOEXCEPT { - FMT_ASSERT(buffer != nullptr && buffer_size != 0, "invalid buffer"); +FMT_FUNC int safe_strerror(int error_code, char *&buffer, std::size_t buffer_size) FMT_NOEXCEPT +{ + FMT_ASSERT(buffer != nullptr && buffer_size != 0, "invalid buffer"); - class dispatcher { - private: - int error_code_; - char*& buffer_; - std::size_t buffer_size_; + class dispatcher + { + private: + int error_code_; + char *&buffer_; + std::size_t buffer_size_; - // A noop assignment operator to avoid bogus warnings. - void operator=(const dispatcher&) {} + // A noop assignment operator to avoid bogus warnings. + void operator=(const dispatcher &) {} - // Handle the result of XSI-compliant version of strerror_r. - int handle(int result) { - // glibc versions before 2.13 return result in errno. - return result == -1 ? errno : result; - } + // Handle the result of XSI-compliant version of strerror_r. + int handle(int result) + { + // glibc versions before 2.13 return result in errno. + return result == -1 ? errno : result; + } - // Handle the result of GNU-specific version of strerror_r. - int handle(char* message) { - // If the buffer is full then the message is probably truncated. - if (message == buffer_ && strlen(buffer_) == buffer_size_ - 1) - return ERANGE; - buffer_ = message; - return 0; - } + // Handle the result of GNU-specific version of strerror_r. + int handle(char *message) + { + // If the buffer is full then the message is probably truncated. + if (message == buffer_ && strlen(buffer_) == buffer_size_ - 1) + return ERANGE; + buffer_ = message; + return 0; + } - // Handle the case when strerror_r is not available. - int handle(internal::null<>) { - return fallback(strerror_s(buffer_, buffer_size_, error_code_)); - } + // Handle the case when strerror_r is not available. + int handle(internal::null<>) + { + return fallback(strerror_s(buffer_, buffer_size_, error_code_)); + } - // Fallback to strerror_s when strerror_r is not available. - int fallback(int result) { - // If the buffer is full then the message is probably truncated. - return result == 0 && strlen(buffer_) == buffer_size_ - 1 ? ERANGE - : result; - } + // Fallback to strerror_s when strerror_r is not available. + int fallback(int result) + { + // If the buffer is full then the message is probably truncated. + return result == 0 && strlen(buffer_) == buffer_size_ - 1 ? ERANGE : result; + } #if !FMT_MSC_VER - // Fallback to strerror if strerror_r and strerror_s are not available. - int fallback(internal::null<>) { - errno = 0; - buffer_ = strerror(error_code_); - return errno; - } + // Fallback to strerror if strerror_r and strerror_s are not available. + int fallback(internal::null<>) + { + errno = 0; + buffer_ = strerror(error_code_); + return errno; + } #endif - public: - dispatcher(int err_code, char*& buf, std::size_t buf_size) - : error_code_(err_code), buffer_(buf), buffer_size_(buf_size) {} + public: + dispatcher(int err_code, char *&buf, std::size_t buf_size) + : error_code_(err_code) + , buffer_(buf) + , buffer_size_(buf_size) + {} - int run() { return handle(strerror_r(error_code_, buffer_, buffer_size_)); } - }; - return dispatcher(error_code, buffer, buffer_size).run(); + int run() + { + return handle(strerror_r(error_code_, buffer_, buffer_size_)); + } + }; + return dispatcher(error_code, buffer, buffer_size).run(); } -FMT_FUNC void format_error_code(internal::buffer& out, int error_code, - string_view message) FMT_NOEXCEPT { - // Report error code making sure that the output fits into - // inline_buffer_size to avoid dynamic memory allocation and potential - // bad_alloc. - out.resize(0); - static const char SEP[] = ": "; - static const char ERROR_STR[] = "error "; - // Subtract 2 to account for terminating null characters in SEP and ERROR_STR. - std::size_t error_code_size = sizeof(SEP) + sizeof(ERROR_STR) - 2; - auto abs_value = static_cast>(error_code); - if (internal::is_negative(error_code)) { - abs_value = 0 - abs_value; - ++error_code_size; - } - error_code_size += internal::to_unsigned(internal::count_digits(abs_value)); - internal::writer w(out); - if (message.size() <= inline_buffer_size - error_code_size) { - w.write(message); - w.write(SEP); - } - w.write(ERROR_STR); - w.write(error_code); - assert(out.size() <= inline_buffer_size); +FMT_FUNC void format_error_code(internal::buffer &out, int error_code, string_view message) FMT_NOEXCEPT +{ + // Report error code making sure that the output fits into + // inline_buffer_size to avoid dynamic memory allocation and potential + // bad_alloc. + out.resize(0); + static const char SEP[] = ": "; + static const char ERROR_STR[] = "error "; + // Subtract 2 to account for terminating null characters in SEP and ERROR_STR. + std::size_t error_code_size = sizeof(SEP) + sizeof(ERROR_STR) - 2; + auto abs_value = static_cast>(error_code); + if (internal::is_negative(error_code)) + { + abs_value = 0 - abs_value; + ++error_code_size; + } + error_code_size += internal::to_unsigned(internal::count_digits(abs_value)); + internal::writer w(out); + if (message.size() <= inline_buffer_size - error_code_size) + { + w.write(message); + w.write(SEP); + } + w.write(ERROR_STR); + w.write(error_code); + assert(out.size() <= inline_buffer_size); } // A wrapper around fwrite that throws on error. -FMT_FUNC void fwrite_fully(const void* ptr, size_t size, size_t count, - FILE* stream) { - size_t written = std::fwrite(ptr, size, count, stream); - if (written < count) { - FMT_THROW(system_error(errno, "cannot write to file")); - } +FMT_FUNC void fwrite_fully(const void *ptr, size_t size, size_t count, FILE *stream) +{ + size_t written = std::fwrite(ptr, size, count, stream); + if (written < count) + { + FMT_THROW(system_error(errno, "cannot write to file")); + } } -FMT_FUNC void report_error(format_func func, int error_code, - string_view message) FMT_NOEXCEPT { - memory_buffer full_message; - func(full_message, error_code, message); - // Don't use fwrite_fully because the latter may throw. - (void)std::fwrite(full_message.data(), full_message.size(), 1, stderr); - std::fputc('\n', stderr); +FMT_FUNC void report_error(format_func func, int error_code, string_view message) FMT_NOEXCEPT +{ + memory_buffer full_message; + func(full_message, error_code, message); + // Don't use fwrite_fully because the latter may throw. + (void)std::fwrite(full_message.data(), full_message.size(), 1, stderr); + std::fputc('\n', stderr); } -} // namespace internal +} // namespace internal #if !defined(FMT_STATIC_THOUSANDS_SEPARATOR) namespace internal { -template -locale_ref::locale_ref(const Locale& loc) : locale_(&loc) { - static_assert(std::is_same::value, ""); +template +locale_ref::locale_ref(const Locale &loc) + : locale_(&loc) +{ + static_assert(std::is_same::value, ""); } -template Locale locale_ref::get() const { - static_assert(std::is_same::value, ""); - return locale_ ? *static_cast(locale_) : std::locale(); +template +Locale locale_ref::get() const +{ + static_assert(std::is_same::value, ""); + return locale_ ? *static_cast(locale_) : std::locale(); } -template FMT_FUNC std::string grouping_impl(locale_ref loc) { - return std::use_facet>(loc.get()).grouping(); +template +FMT_FUNC std::string grouping_impl(locale_ref loc) +{ + return std::use_facet>(loc.get()).grouping(); } -template FMT_FUNC Char thousands_sep_impl(locale_ref loc) { - return std::use_facet>(loc.get()) - .thousands_sep(); +template +FMT_FUNC Char thousands_sep_impl(locale_ref loc) +{ + return std::use_facet>(loc.get()).thousands_sep(); } -template FMT_FUNC Char decimal_point_impl(locale_ref loc) { - return std::use_facet>(loc.get()) - .decimal_point(); +template +FMT_FUNC Char decimal_point_impl(locale_ref loc) +{ + return std::use_facet>(loc.get()).decimal_point(); } -} // namespace internal +} // namespace internal #else -template -FMT_FUNC std::string internal::grouping_impl(locale_ref) { - return "\03"; +template +FMT_FUNC std::string internal::grouping_impl(locale_ref) +{ + return "\03"; } -template -FMT_FUNC Char internal::thousands_sep_impl(locale_ref) { - return FMT_STATIC_THOUSANDS_SEPARATOR; +template +FMT_FUNC Char internal::thousands_sep_impl(locale_ref) +{ + return FMT_STATIC_THOUSANDS_SEPARATOR; } -template -FMT_FUNC Char internal::decimal_point_impl(locale_ref) { - return '.'; +template +FMT_FUNC Char internal::decimal_point_impl(locale_ref) +{ + return '.'; } #endif FMT_API FMT_FUNC format_error::~format_error() FMT_NOEXCEPT = default; FMT_API FMT_FUNC system_error::~system_error() FMT_NOEXCEPT = default; -FMT_FUNC void system_error::init(int err_code, string_view format_str, - format_args args) { - error_code_ = err_code; - memory_buffer buffer; - format_system_error(buffer, err_code, vformat(format_str, args)); - std::runtime_error& base = *this; - base = std::runtime_error(to_string(buffer)); +FMT_FUNC void system_error::init(int err_code, string_view format_str, format_args args) +{ + error_code_ = err_code; + memory_buffer buffer; + format_system_error(buffer, err_code, vformat(format_str, args)); + std::runtime_error &base = *this; + base = std::runtime_error(to_string(buffer)); } namespace internal { -template <> FMT_FUNC int count_digits<4>(internal::fallback_uintptr n) { - // fallback_uintptr is always stored in little endian. - int i = static_cast(sizeof(void*)) - 1; - while (i > 0 && n.value[i] == 0) --i; - auto char_digits = std::numeric_limits::digits / 4; - return i >= 0 ? i * char_digits + count_digits<4, unsigned>(n.value[i]) : 1; +template<> +FMT_FUNC int count_digits<4>(internal::fallback_uintptr n) +{ + // fallback_uintptr is always stored in little endian. + int i = static_cast(sizeof(void *)) - 1; + while (i > 0 && n.value[i] == 0) + --i; + auto char_digits = std::numeric_limits::digits / 4; + return i >= 0 ? i * char_digits + count_digits<4, unsigned>(n.value[i]) : 1; } -template -const char basic_data::digits[] = - "0001020304050607080910111213141516171819" - "2021222324252627282930313233343536373839" - "4041424344454647484950515253545556575859" - "6061626364656667686970717273747576777879" - "8081828384858687888990919293949596979899"; +template +const char basic_data::digits[] = "0001020304050607080910111213141516171819" + "2021222324252627282930313233343536373839" + "4041424344454647484950515253545556575859" + "6061626364656667686970717273747576777879" + "8081828384858687888990919293949596979899"; -template +template const char basic_data::hex_digits[] = "0123456789abcdef"; -#define FMT_POWERS_OF_10(factor) \ - factor * 10, (factor)*100, (factor)*1000, (factor)*10000, (factor)*100000, \ - (factor)*1000000, (factor)*10000000, (factor)*100000000, \ - (factor)*1000000000 +#define FMT_POWERS_OF_10(factor) \ + factor * 10, (factor)*100, (factor)*1000, (factor)*10000, (factor)*100000, (factor)*1000000, (factor)*10000000, (factor)*100000000, \ + (factor)*1000000000 -template -const uint64_t basic_data::powers_of_10_64[] = { - 1, FMT_POWERS_OF_10(1), FMT_POWERS_OF_10(1000000000ULL), - 10000000000000000000ULL}; +template +const uint64_t basic_data::powers_of_10_64[] = {1, FMT_POWERS_OF_10(1), FMT_POWERS_OF_10(1000000000ULL), 10000000000000000000ULL}; -template -const uint32_t basic_data::zero_or_powers_of_10_32[] = {0, - FMT_POWERS_OF_10(1)}; +template +const uint32_t basic_data::zero_or_powers_of_10_32[] = {0, FMT_POWERS_OF_10(1)}; -template +template const uint64_t basic_data::zero_or_powers_of_10_64[] = { - 0, FMT_POWERS_OF_10(1), FMT_POWERS_OF_10(1000000000ULL), - 10000000000000000000ULL}; + 0, FMT_POWERS_OF_10(1), FMT_POWERS_OF_10(1000000000ULL), 10000000000000000000ULL}; // Normalized 64-bit significands of pow(10, k), for k = -348, -340, ..., 340. // These are generated by support/compute-powers.py. -template +template const uint64_t basic_data::pow10_significands[] = { - 0xfa8fd5a0081c0288, 0xbaaee17fa23ebf76, 0x8b16fb203055ac76, - 0xcf42894a5dce35ea, 0x9a6bb0aa55653b2d, 0xe61acf033d1a45df, - 0xab70fe17c79ac6ca, 0xff77b1fcbebcdc4f, 0xbe5691ef416bd60c, - 0x8dd01fad907ffc3c, 0xd3515c2831559a83, 0x9d71ac8fada6c9b5, - 0xea9c227723ee8bcb, 0xaecc49914078536d, 0x823c12795db6ce57, - 0xc21094364dfb5637, 0x9096ea6f3848984f, 0xd77485cb25823ac7, - 0xa086cfcd97bf97f4, 0xef340a98172aace5, 0xb23867fb2a35b28e, - 0x84c8d4dfd2c63f3b, 0xc5dd44271ad3cdba, 0x936b9fcebb25c996, - 0xdbac6c247d62a584, 0xa3ab66580d5fdaf6, 0xf3e2f893dec3f126, - 0xb5b5ada8aaff80b8, 0x87625f056c7c4a8b, 0xc9bcff6034c13053, - 0x964e858c91ba2655, 0xdff9772470297ebd, 0xa6dfbd9fb8e5b88f, - 0xf8a95fcf88747d94, 0xb94470938fa89bcf, 0x8a08f0f8bf0f156b, - 0xcdb02555653131b6, 0x993fe2c6d07b7fac, 0xe45c10c42a2b3b06, - 0xaa242499697392d3, 0xfd87b5f28300ca0e, 0xbce5086492111aeb, - 0x8cbccc096f5088cc, 0xd1b71758e219652c, 0x9c40000000000000, - 0xe8d4a51000000000, 0xad78ebc5ac620000, 0x813f3978f8940984, - 0xc097ce7bc90715b3, 0x8f7e32ce7bea5c70, 0xd5d238a4abe98068, - 0x9f4f2726179a2245, 0xed63a231d4c4fb27, 0xb0de65388cc8ada8, - 0x83c7088e1aab65db, 0xc45d1df942711d9a, 0x924d692ca61be758, - 0xda01ee641a708dea, 0xa26da3999aef774a, 0xf209787bb47d6b85, - 0xb454e4a179dd1877, 0x865b86925b9bc5c2, 0xc83553c5c8965d3d, - 0x952ab45cfa97a0b3, 0xde469fbd99a05fe3, 0xa59bc234db398c25, - 0xf6c69a72a3989f5c, 0xb7dcbf5354e9bece, 0x88fcf317f22241e2, - 0xcc20ce9bd35c78a5, 0x98165af37b2153df, 0xe2a0b5dc971f303a, - 0xa8d9d1535ce3b396, 0xfb9b7cd9a4a7443c, 0xbb764c4ca7a44410, - 0x8bab8eefb6409c1a, 0xd01fef10a657842c, 0x9b10a4e5e9913129, - 0xe7109bfba19c0c9d, 0xac2820d9623bf429, 0x80444b5e7aa7cf85, - 0xbf21e44003acdd2d, 0x8e679c2f5e44ff8f, 0xd433179d9c8cb841, - 0x9e19db92b4e31ba9, 0xeb96bf6ebadf77d9, 0xaf87023b9bf0ee6b, + 0xfa8fd5a0081c0288, + 0xbaaee17fa23ebf76, + 0x8b16fb203055ac76, + 0xcf42894a5dce35ea, + 0x9a6bb0aa55653b2d, + 0xe61acf033d1a45df, + 0xab70fe17c79ac6ca, + 0xff77b1fcbebcdc4f, + 0xbe5691ef416bd60c, + 0x8dd01fad907ffc3c, + 0xd3515c2831559a83, + 0x9d71ac8fada6c9b5, + 0xea9c227723ee8bcb, + 0xaecc49914078536d, + 0x823c12795db6ce57, + 0xc21094364dfb5637, + 0x9096ea6f3848984f, + 0xd77485cb25823ac7, + 0xa086cfcd97bf97f4, + 0xef340a98172aace5, + 0xb23867fb2a35b28e, + 0x84c8d4dfd2c63f3b, + 0xc5dd44271ad3cdba, + 0x936b9fcebb25c996, + 0xdbac6c247d62a584, + 0xa3ab66580d5fdaf6, + 0xf3e2f893dec3f126, + 0xb5b5ada8aaff80b8, + 0x87625f056c7c4a8b, + 0xc9bcff6034c13053, + 0x964e858c91ba2655, + 0xdff9772470297ebd, + 0xa6dfbd9fb8e5b88f, + 0xf8a95fcf88747d94, + 0xb94470938fa89bcf, + 0x8a08f0f8bf0f156b, + 0xcdb02555653131b6, + 0x993fe2c6d07b7fac, + 0xe45c10c42a2b3b06, + 0xaa242499697392d3, + 0xfd87b5f28300ca0e, + 0xbce5086492111aeb, + 0x8cbccc096f5088cc, + 0xd1b71758e219652c, + 0x9c40000000000000, + 0xe8d4a51000000000, + 0xad78ebc5ac620000, + 0x813f3978f8940984, + 0xc097ce7bc90715b3, + 0x8f7e32ce7bea5c70, + 0xd5d238a4abe98068, + 0x9f4f2726179a2245, + 0xed63a231d4c4fb27, + 0xb0de65388cc8ada8, + 0x83c7088e1aab65db, + 0xc45d1df942711d9a, + 0x924d692ca61be758, + 0xda01ee641a708dea, + 0xa26da3999aef774a, + 0xf209787bb47d6b85, + 0xb454e4a179dd1877, + 0x865b86925b9bc5c2, + 0xc83553c5c8965d3d, + 0x952ab45cfa97a0b3, + 0xde469fbd99a05fe3, + 0xa59bc234db398c25, + 0xf6c69a72a3989f5c, + 0xb7dcbf5354e9bece, + 0x88fcf317f22241e2, + 0xcc20ce9bd35c78a5, + 0x98165af37b2153df, + 0xe2a0b5dc971f303a, + 0xa8d9d1535ce3b396, + 0xfb9b7cd9a4a7443c, + 0xbb764c4ca7a44410, + 0x8bab8eefb6409c1a, + 0xd01fef10a657842c, + 0x9b10a4e5e9913129, + 0xe7109bfba19c0c9d, + 0xac2820d9623bf429, + 0x80444b5e7aa7cf85, + 0xbf21e44003acdd2d, + 0x8e679c2f5e44ff8f, + 0xd433179d9c8cb841, + 0x9e19db92b4e31ba9, + 0xeb96bf6ebadf77d9, + 0xaf87023b9bf0ee6b, }; // Binary exponents of pow(10, k), for k = -348, -340, ..., 340, corresponding // to significands above. -template -const int16_t basic_data::pow10_exponents[] = { - -1220, -1193, -1166, -1140, -1113, -1087, -1060, -1034, -1007, -980, -954, - -927, -901, -874, -847, -821, -794, -768, -741, -715, -688, -661, - -635, -608, -582, -555, -529, -502, -475, -449, -422, -396, -369, - -343, -316, -289, -263, -236, -210, -183, -157, -130, -103, -77, - -50, -24, 3, 30, 56, 83, 109, 136, 162, 189, 216, - 242, 269, 295, 322, 348, 375, 402, 428, 455, 481, 508, - 534, 561, 588, 614, 641, 667, 694, 720, 747, 774, 800, - 827, 853, 880, 907, 933, 960, 986, 1013, 1039, 1066}; +template +const int16_t basic_data::pow10_exponents[] = {-1220, -1193, -1166, -1140, -1113, -1087, -1060, -1034, -1007, -980, -954, -927, -901, + -874, -847, -821, -794, -768, -741, -715, -688, -661, -635, -608, -582, -555, -529, -502, -475, -449, -422, -396, -369, -343, -316, + -289, -263, -236, -210, -183, -157, -130, -103, -77, -50, -24, 3, 30, 56, 83, 109, 136, 162, 189, 216, 242, 269, 295, 322, 348, 375, + 402, 428, 455, 481, 508, 534, 561, 588, 614, 641, 667, 694, 720, 747, 774, 800, 827, 853, 880, 907, 933, 960, 986, 1013, 1039, 1066}; -template +template const char basic_data::foreground_color[] = "\x1b[38;2;"; -template +template const char basic_data::background_color[] = "\x1b[48;2;"; -template const char basic_data::reset_color[] = "\x1b[0m"; -template const wchar_t basic_data::wreset_color[] = L"\x1b[0m"; -template const char basic_data::signs[] = {0, '-', '+', ' '}; +template +const char basic_data::reset_color[] = "\x1b[0m"; +template +const wchar_t basic_data::wreset_color[] = L"\x1b[0m"; +template +const char basic_data::signs[] = {0, '-', '+', ' '}; -template struct bits { - static FMT_CONSTEXPR_DECL const int value = - static_cast(sizeof(T) * std::numeric_limits::digits); +template +struct bits +{ + static FMT_CONSTEXPR_DECL const int value = static_cast(sizeof(T) * std::numeric_limits::digits); }; class fp; -template fp normalize(fp value); +template +fp normalize(fp value); // Lower (upper) boundary is a value half way between a floating-point value // and its predecessor (successor). Boundaries have the same exponent as the // value so only significands are stored. -struct boundaries { - uint64_t lower; - uint64_t upper; +struct boundaries +{ + uint64_t lower; + uint64_t upper; }; // A handmade floating-point number f * pow(2, e). -class fp { - private: - using significand_type = uint64_t; +class fp +{ +private: + using significand_type = uint64_t; - // All sizes are in bits. - // Subtract 1 to account for an implicit most significant bit in the - // normalized form. - static FMT_CONSTEXPR_DECL const int double_significand_size = - std::numeric_limits::digits - 1; - static FMT_CONSTEXPR_DECL const uint64_t implicit_bit = - 1ULL << double_significand_size; + // All sizes are in bits. + // Subtract 1 to account for an implicit most significant bit in the + // normalized form. + static FMT_CONSTEXPR_DECL const int double_significand_size = std::numeric_limits::digits - 1; + static FMT_CONSTEXPR_DECL const uint64_t implicit_bit = 1ULL << double_significand_size; - public: - significand_type f; - int e; +public: + significand_type f; + int e; - static FMT_CONSTEXPR_DECL const int significand_size = - bits::value; + static FMT_CONSTEXPR_DECL const int significand_size = bits::value; - fp() : f(0), e(0) {} - fp(uint64_t f_val, int e_val) : f(f_val), e(e_val) {} + fp() + : f(0) + , e(0) + {} + fp(uint64_t f_val, int e_val) + : f(f_val) + , e(e_val) + {} - // Constructs fp from an IEEE754 double. It is a template to prevent compile - // errors on platforms where double is not IEEE754. - template explicit fp(Double d) { assign(d); } - - // Normalizes the value converted from double and multiplied by (1 << SHIFT). - template friend fp normalize(fp value) { - // Handle subnormals. - const auto shifted_implicit_bit = fp::implicit_bit << SHIFT; - while ((value.f & shifted_implicit_bit) == 0) { - value.f <<= 1; - --value.e; + // Constructs fp from an IEEE754 double. It is a template to prevent compile + // errors on platforms where double is not IEEE754. + template + explicit fp(Double d) + { + assign(d); } - // Subtract 1 to account for hidden bit. - const auto offset = - fp::significand_size - fp::double_significand_size - SHIFT - 1; - value.f <<= offset; - value.e -= offset; - return value; - } - // Assigns d to this and return true iff predecessor is closer than successor. - template - bool assign(Double d) { - // Assume double is in the format [sign][exponent][significand]. - using limits = std::numeric_limits; - const int exponent_size = - bits::value - double_significand_size - 1; // -1 for sign - const uint64_t significand_mask = implicit_bit - 1; - const uint64_t exponent_mask = (~0ULL >> 1) & ~significand_mask; - const int exponent_bias = (1 << exponent_size) - limits::max_exponent - 1; - auto u = bit_cast(d); - f = u & significand_mask; - auto biased_e = (u & exponent_mask) >> double_significand_size; - // Predecessor is closer if d is a normalized power of 2 (f == 0) other than - // the smallest normalized number (biased_e > 1). - bool is_predecessor_closer = f == 0 && biased_e > 1; - if (biased_e != 0) - f += implicit_bit; - else - biased_e = 1; // Subnormals use biased exponent 1 (min exponent). - e = static_cast(biased_e - exponent_bias - double_significand_size); - return is_predecessor_closer; - } + // Normalizes the value converted from double and multiplied by (1 << SHIFT). + template + friend fp normalize(fp value) + { + // Handle subnormals. + const auto shifted_implicit_bit = fp::implicit_bit << SHIFT; + while ((value.f & shifted_implicit_bit) == 0) + { + value.f <<= 1; + --value.e; + } + // Subtract 1 to account for hidden bit. + const auto offset = fp::significand_size - fp::double_significand_size - SHIFT - 1; + value.f <<= offset; + value.e -= offset; + return value; + } - template - bool assign(Double) { - *this = fp(); - return false; - } + // Assigns d to this and return true iff predecessor is closer than successor. + template + bool assign(Double d) + { + // Assume double is in the format [sign][exponent][significand]. + using limits = std::numeric_limits; + const int exponent_size = bits::value - double_significand_size - 1; // -1 for sign + const uint64_t significand_mask = implicit_bit - 1; + const uint64_t exponent_mask = (~0ULL >> 1) & ~significand_mask; + const int exponent_bias = (1 << exponent_size) - limits::max_exponent - 1; + auto u = bit_cast(d); + f = u & significand_mask; + auto biased_e = (u & exponent_mask) >> double_significand_size; + // Predecessor is closer if d is a normalized power of 2 (f == 0) other than + // the smallest normalized number (biased_e > 1). + bool is_predecessor_closer = f == 0 && biased_e > 1; + if (biased_e != 0) + f += implicit_bit; + else + biased_e = 1; // Subnormals use biased exponent 1 (min exponent). + e = static_cast(biased_e - exponent_bias - double_significand_size); + return is_predecessor_closer; + } - // Assigns d to this together with computing lower and upper boundaries, - // where a boundary is a value half way between the number and its predecessor - // (lower) or successor (upper). The upper boundary is normalized and lower - // has the same exponent but may be not normalized. - template boundaries assign_with_boundaries(Double d) { - bool is_lower_closer = assign(d); - fp lower = - is_lower_closer ? fp((f << 2) - 1, e - 2) : fp((f << 1) - 1, e - 1); - // 1 in normalize accounts for the exponent shift above. - fp upper = normalize<1>(fp((f << 1) + 1, e - 1)); - lower.f <<= lower.e - upper.e; - return boundaries{lower.f, upper.f}; - } + template + bool assign(Double) + { + *this = fp(); + return false; + } - template boundaries assign_float_with_boundaries(Double d) { - assign(d); - constexpr int min_normal_e = std::numeric_limits::min_exponent - - std::numeric_limits::digits; - significand_type half_ulp = 1 << (std::numeric_limits::digits - - std::numeric_limits::digits - 1); - if (min_normal_e > e) half_ulp <<= min_normal_e - e; - fp upper = normalize<0>(fp(f + half_ulp, e)); - fp lower = fp( - f - (half_ulp >> ((f == implicit_bit && e > min_normal_e) ? 1 : 0)), e); - lower.f <<= lower.e - upper.e; - return boundaries{lower.f, upper.f}; - } + // Assigns d to this together with computing lower and upper boundaries, + // where a boundary is a value half way between the number and its predecessor + // (lower) or successor (upper). The upper boundary is normalized and lower + // has the same exponent but may be not normalized. + template + boundaries assign_with_boundaries(Double d) + { + bool is_lower_closer = assign(d); + fp lower = is_lower_closer ? fp((f << 2) - 1, e - 2) : fp((f << 1) - 1, e - 1); + // 1 in normalize accounts for the exponent shift above. + fp upper = normalize<1>(fp((f << 1) + 1, e - 1)); + lower.f <<= lower.e - upper.e; + return boundaries{lower.f, upper.f}; + } + + template + boundaries assign_float_with_boundaries(Double d) + { + assign(d); + constexpr int min_normal_e = std::numeric_limits::min_exponent - std::numeric_limits::digits; + significand_type half_ulp = 1 << (std::numeric_limits::digits - std::numeric_limits::digits - 1); + if (min_normal_e > e) + half_ulp <<= min_normal_e - e; + fp upper = normalize<0>(fp(f + half_ulp, e)); + fp lower = fp(f - (half_ulp >> ((f == implicit_bit && e > min_normal_e) ? 1 : 0)), e); + lower.f <<= lower.e - upper.e; + return boundaries{lower.f, upper.f}; + } }; -inline bool operator==(fp x, fp y) { return x.f == y.f && x.e == y.e; } +inline bool operator==(fp x, fp y) +{ + return x.f == y.f && x.e == y.e; +} // Computes lhs * rhs / pow(2, 64) rounded to nearest with half-up tie breaking. -inline uint64_t multiply(uint64_t lhs, uint64_t rhs) { +inline uint64_t multiply(uint64_t lhs, uint64_t rhs) +{ #if FMT_USE_INT128 - auto product = static_cast<__uint128_t>(lhs) * rhs; - auto f = static_cast(product >> 64); - return (static_cast(product) & (1ULL << 63)) != 0 ? f + 1 : f; + auto product = static_cast<__uint128_t>(lhs) * rhs; + auto f = static_cast(product >> 64); + return (static_cast(product) & (1ULL << 63)) != 0 ? f + 1 : f; #else - // Multiply 32-bit parts of significands. - uint64_t mask = (1ULL << 32) - 1; - uint64_t a = lhs >> 32, b = lhs & mask; - uint64_t c = rhs >> 32, d = rhs & mask; - uint64_t ac = a * c, bc = b * c, ad = a * d, bd = b * d; - // Compute mid 64-bit of result and round. - uint64_t mid = (bd >> 32) + (ad & mask) + (bc & mask) + (1U << 31); - return ac + (ad >> 32) + (bc >> 32) + (mid >> 32); + // Multiply 32-bit parts of significands. + uint64_t mask = (1ULL << 32) - 1; + uint64_t a = lhs >> 32, b = lhs & mask; + uint64_t c = rhs >> 32, d = rhs & mask; + uint64_t ac = a * c, bc = b * c, ad = a * d, bd = b * d; + // Compute mid 64-bit of result and round. + uint64_t mid = (bd >> 32) + (ad & mask) + (bc & mask) + (1U << 31); + return ac + (ad >> 32) + (bc >> 32) + (mid >> 32); #endif } -inline fp operator*(fp x, fp y) { return {multiply(x.f, y.f), x.e + y.e + 64}; } +inline fp operator*(fp x, fp y) +{ + return {multiply(x.f, y.f), x.e + y.e + 64}; +} // Returns a cached power of 10 `c_k = c_k.f * pow(2, c_k.e)` such that its // (binary) exponent satisfies `min_exponent <= c_k.e <= min_exponent + 28`. -FMT_FUNC fp get_cached_power(int min_exponent, int& pow10_exponent) { - const uint64_t one_over_log2_10 = 0x4d104d42; // round(pow(2, 32) / log2(10)) - int index = static_cast( - static_cast( - (min_exponent + fp::significand_size - 1) * one_over_log2_10 + - ((uint64_t(1) << 32) - 1) // ceil - ) >> - 32 // arithmetic shift - ); - // Decimal exponent of the first (smallest) cached power of 10. - const int first_dec_exp = -348; - // Difference between 2 consecutive decimal exponents in cached powers of 10. - const int dec_exp_step = 8; - index = (index - first_dec_exp - 1) / dec_exp_step + 1; - pow10_exponent = first_dec_exp + index * dec_exp_step; - return {data::pow10_significands[index], data::pow10_exponents[index]}; +FMT_FUNC fp get_cached_power(int min_exponent, int &pow10_exponent) +{ + const uint64_t one_over_log2_10 = 0x4d104d42; // round(pow(2, 32) / log2(10)) + int index = static_cast( + static_cast((min_exponent + fp::significand_size - 1) * one_over_log2_10 + ((uint64_t(1) << 32) - 1) // ceil + ) >> + 32 // arithmetic shift + ); + // Decimal exponent of the first (smallest) cached power of 10. + const int first_dec_exp = -348; + // Difference between 2 consecutive decimal exponents in cached powers of 10. + const int dec_exp_step = 8; + index = (index - first_dec_exp - 1) / dec_exp_step + 1; + pow10_exponent = first_dec_exp + index * dec_exp_step; + return {data::pow10_significands[index], data::pow10_exponents[index]}; } // A simple accumulator to hold the sums of terms in bigint::square if uint128_t // is not available. -struct accumulator { - uint64_t lower; - uint64_t upper; +struct accumulator +{ + uint64_t lower; + uint64_t upper; - accumulator() : lower(0), upper(0) {} - explicit operator uint32_t() const { return static_cast(lower); } + accumulator() + : lower(0) + , upper(0) + {} + explicit operator uint32_t() const + { + return static_cast(lower); + } - void operator+=(uint64_t n) { - lower += n; - if (lower < n) ++upper; - } - void operator>>=(int shift) { - assert(shift == 32); - (void)shift; - lower = (upper << 32) | (lower >> 32); - upper >>= 32; - } + void operator+=(uint64_t n) + { + lower += n; + if (lower < n) + ++upper; + } + void operator>>=(int shift) + { + assert(shift == 32); + (void)shift; + lower = (upper << 32) | (lower >> 32); + upper >>= 32; + } }; -class bigint { - private: - // A bigint is stored as an array of bigits (big digits), with bigit at index - // 0 being the least significant one. - using bigit = uint32_t; - using double_bigit = uint64_t; - enum { bigits_capacity = 32 }; - basic_memory_buffer bigits_; - int exp_; - - static FMT_CONSTEXPR_DECL const int bigit_bits = bits::value; - - friend struct formatter; - - void subtract_bigits(int index, bigit other, bigit& borrow) { - auto result = static_cast(bigits_[index]) - other - borrow; - bigits_[index] = static_cast(result); - borrow = static_cast(result >> (bigit_bits * 2 - 1)); - } - - void remove_leading_zeros() { - int num_bigits = static_cast(bigits_.size()) - 1; - while (num_bigits > 0 && bigits_[num_bigits] == 0) --num_bigits; - bigits_.resize(num_bigits + 1); - } - - // Computes *this -= other assuming aligned bigints and *this >= other. - void subtract_aligned(const bigint& other) { - FMT_ASSERT(other.exp_ >= exp_, "unaligned bigints"); - FMT_ASSERT(compare(*this, other) >= 0, ""); - bigit borrow = 0; - int i = other.exp_ - exp_; - for (int j = 0, n = static_cast(other.bigits_.size()); j != n; - ++i, ++j) { - subtract_bigits(i, other.bigits_[j], borrow); - } - while (borrow > 0) subtract_bigits(i, 0, borrow); - remove_leading_zeros(); - } - - void multiply(uint32_t value) { - const double_bigit wide_value = value; - bigit carry = 0; - for (size_t i = 0, n = bigits_.size(); i < n; ++i) { - double_bigit result = bigits_[i] * wide_value + carry; - bigits_[i] = static_cast(result); - carry = static_cast(result >> bigit_bits); - } - if (carry != 0) bigits_.push_back(carry); - } - - void multiply(uint64_t value) { - const bigit mask = ~bigit(0); - const double_bigit lower = value & mask; - const double_bigit upper = value >> bigit_bits; - double_bigit carry = 0; - for (size_t i = 0, n = bigits_.size(); i < n; ++i) { - double_bigit result = bigits_[i] * lower + (carry & mask); - carry = - bigits_[i] * upper + (result >> bigit_bits) + (carry >> bigit_bits); - bigits_[i] = static_cast(result); - } - while (carry != 0) { - bigits_.push_back(carry & mask); - carry >>= bigit_bits; - } - } - - public: - bigint() : exp_(0) {} - explicit bigint(uint64_t n) { assign(n); } - ~bigint() { assert(bigits_.capacity() <= bigits_capacity); } - - bigint(const bigint&) = delete; - void operator=(const bigint&) = delete; - - void assign(const bigint& other) { - bigits_.resize(other.bigits_.size()); - auto data = other.bigits_.data(); - std::copy(data, data + other.bigits_.size(), bigits_.data()); - exp_ = other.exp_; - } - - void assign(uint64_t n) { - int num_bigits = 0; - do { - bigits_[num_bigits++] = n & ~bigit(0); - n >>= bigit_bits; - } while (n != 0); - bigits_.resize(num_bigits); - exp_ = 0; - } - - int num_bigits() const { return static_cast(bigits_.size()) + exp_; } - - bigint& operator<<=(int shift) { - assert(shift >= 0); - exp_ += shift / bigit_bits; - shift %= bigit_bits; - if (shift == 0) return *this; - bigit carry = 0; - for (size_t i = 0, n = bigits_.size(); i < n; ++i) { - bigit c = bigits_[i] >> (bigit_bits - shift); - bigits_[i] = (bigits_[i] << shift) + carry; - carry = c; - } - if (carry != 0) bigits_.push_back(carry); - return *this; - } - - template bigint& operator*=(Int value) { - FMT_ASSERT(value > 0, ""); - multiply(uint32_or_64_or_128_t(value)); - return *this; - } - - friend int compare(const bigint& lhs, const bigint& rhs) { - int num_lhs_bigits = lhs.num_bigits(), num_rhs_bigits = rhs.num_bigits(); - if (num_lhs_bigits != num_rhs_bigits) - return num_lhs_bigits > num_rhs_bigits ? 1 : -1; - int i = static_cast(lhs.bigits_.size()) - 1; - int j = static_cast(rhs.bigits_.size()) - 1; - int end = i - j; - if (end < 0) end = 0; - for (; i >= end; --i, --j) { - bigit lhs_bigit = lhs.bigits_[i], rhs_bigit = rhs.bigits_[j]; - if (lhs_bigit != rhs_bigit) return lhs_bigit > rhs_bigit ? 1 : -1; - } - if (i != j) return i > j ? 1 : -1; - return 0; - } - - // Returns compare(lhs1 + lhs2, rhs). - friend int add_compare(const bigint& lhs1, const bigint& lhs2, - const bigint& rhs) { - int max_lhs_bigits = (std::max)(lhs1.num_bigits(), lhs2.num_bigits()); - int num_rhs_bigits = rhs.num_bigits(); - if (max_lhs_bigits + 1 < num_rhs_bigits) return -1; - if (max_lhs_bigits > num_rhs_bigits) return 1; - auto get_bigit = [](const bigint& n, int i) -> bigit { - return i >= n.exp_ && i < n.num_bigits() ? n.bigits_[i - n.exp_] : 0; +class bigint +{ +private: + // A bigint is stored as an array of bigits (big digits), with bigit at index + // 0 being the least significant one. + using bigit = uint32_t; + using double_bigit = uint64_t; + enum + { + bigits_capacity = 32 }; - double_bigit borrow = 0; - int min_exp = (std::min)((std::min)(lhs1.exp_, lhs2.exp_), rhs.exp_); - for (int i = num_rhs_bigits - 1; i >= min_exp; --i) { - double_bigit sum = - static_cast(get_bigit(lhs1, i)) + get_bigit(lhs2, i); - bigit rhs_bigit = get_bigit(rhs, i); - if (sum > rhs_bigit + borrow) return 1; - borrow = rhs_bigit + borrow - sum; - if (borrow > 1) return -1; - borrow <<= bigit_bits; - } - return borrow != 0 ? -1 : 0; - } + basic_memory_buffer bigits_; + int exp_; - // Assigns pow(10, exp) to this bigint. - void assign_pow10(int exp) { - assert(exp >= 0); - if (exp == 0) return assign(1); - // Find the top bit. - int bitmask = 1; - while (exp >= bitmask) bitmask <<= 1; - bitmask >>= 1; - // pow(10, exp) = pow(5, exp) * pow(2, exp). First compute pow(5, exp) by - // repeated squaring and multiplication. - assign(5); - bitmask >>= 1; - while (bitmask != 0) { - square(); - if ((exp & bitmask) != 0) *this *= 5; - bitmask >>= 1; - } - *this <<= exp; // Multiply by pow(2, exp) by shifting. - } + static FMT_CONSTEXPR_DECL const int bigit_bits = bits::value; - void square() { - basic_memory_buffer n(std::move(bigits_)); - int num_bigits = static_cast(bigits_.size()); - int num_result_bigits = 2 * num_bigits; - bigits_.resize(num_result_bigits); - using accumulator_t = conditional_t; - auto sum = accumulator_t(); - for (int bigit_index = 0; bigit_index < num_bigits; ++bigit_index) { - // Compute bigit at position bigit_index of the result by adding - // cross-product terms n[i] * n[j] such that i + j == bigit_index. - for (int i = 0, j = bigit_index; j >= 0; ++i, --j) { - // Most terms are multiplied twice which can be optimized in the future. - sum += static_cast(n[i]) * n[j]; - } - bigits_[bigit_index] = static_cast(sum); - sum >>= bits::value; // Compute the carry. - } - // Do the same for the top half. - for (int bigit_index = num_bigits; bigit_index < num_result_bigits; - ++bigit_index) { - for (int j = num_bigits - 1, i = bigit_index - j; i < num_bigits;) - sum += static_cast(n[i++]) * n[j--]; - bigits_[bigit_index] = static_cast(sum); - sum >>= bits::value; - } - --num_result_bigits; - remove_leading_zeros(); - exp_ *= 2; - } + friend struct formatter; - // Divides this bignum by divisor, assigning the remainder to this and - // returning the quotient. - int divmod_assign(const bigint& divisor) { - FMT_ASSERT(this != &divisor, ""); - if (compare(*this, divisor) < 0) return 0; - int num_bigits = static_cast(bigits_.size()); - FMT_ASSERT(divisor.bigits_[divisor.bigits_.size() - 1] != 0, ""); - int exp_difference = exp_ - divisor.exp_; - if (exp_difference > 0) { - // Align bigints by adding trailing zeros to simplify subtraction. - bigits_.resize(num_bigits + exp_difference); - for (int i = num_bigits - 1, j = i + exp_difference; i >= 0; --i, --j) - bigits_[j] = bigits_[i]; - std::uninitialized_fill_n(bigits_.data(), exp_difference, 0); - exp_ -= exp_difference; + void subtract_bigits(int index, bigit other, bigit &borrow) + { + auto result = static_cast(bigits_[index]) - other - borrow; + bigits_[index] = static_cast(result); + borrow = static_cast(result >> (bigit_bits * 2 - 1)); + } + + void remove_leading_zeros() + { + int num_bigits = static_cast(bigits_.size()) - 1; + while (num_bigits > 0 && bigits_[num_bigits] == 0) + --num_bigits; + bigits_.resize(num_bigits + 1); + } + + // Computes *this -= other assuming aligned bigints and *this >= other. + void subtract_aligned(const bigint &other) + { + FMT_ASSERT(other.exp_ >= exp_, "unaligned bigints"); + FMT_ASSERT(compare(*this, other) >= 0, ""); + bigit borrow = 0; + int i = other.exp_ - exp_; + for (int j = 0, n = static_cast(other.bigits_.size()); j != n; ++i, ++j) + { + subtract_bigits(i, other.bigits_[j], borrow); + } + while (borrow > 0) + subtract_bigits(i, 0, borrow); + remove_leading_zeros(); + } + + void multiply(uint32_t value) + { + const double_bigit wide_value = value; + bigit carry = 0; + for (size_t i = 0, n = bigits_.size(); i < n; ++i) + { + double_bigit result = bigits_[i] * wide_value + carry; + bigits_[i] = static_cast(result); + carry = static_cast(result >> bigit_bits); + } + if (carry != 0) + bigits_.push_back(carry); + } + + void multiply(uint64_t value) + { + const bigit mask = ~bigit(0); + const double_bigit lower = value & mask; + const double_bigit upper = value >> bigit_bits; + double_bigit carry = 0; + for (size_t i = 0, n = bigits_.size(); i < n; ++i) + { + double_bigit result = bigits_[i] * lower + (carry & mask); + carry = bigits_[i] * upper + (result >> bigit_bits) + (carry >> bigit_bits); + bigits_[i] = static_cast(result); + } + while (carry != 0) + { + bigits_.push_back(carry & mask); + carry >>= bigit_bits; + } + } + +public: + bigint() + : exp_(0) + {} + explicit bigint(uint64_t n) + { + assign(n); + } + ~bigint() + { + assert(bigits_.capacity() <= bigits_capacity); + } + + bigint(const bigint &) = delete; + void operator=(const bigint &) = delete; + + void assign(const bigint &other) + { + bigits_.resize(other.bigits_.size()); + auto data = other.bigits_.data(); + std::copy(data, data + other.bigits_.size(), bigits_.data()); + exp_ = other.exp_; + } + + void assign(uint64_t n) + { + int num_bigits = 0; + do + { + bigits_[num_bigits++] = n & ~bigit(0); + n >>= bigit_bits; + } while (n != 0); + bigits_.resize(num_bigits); + exp_ = 0; + } + + int num_bigits() const + { + return static_cast(bigits_.size()) + exp_; + } + + bigint &operator<<=(int shift) + { + assert(shift >= 0); + exp_ += shift / bigit_bits; + shift %= bigit_bits; + if (shift == 0) + return *this; + bigit carry = 0; + for (size_t i = 0, n = bigits_.size(); i < n; ++i) + { + bigit c = bigits_[i] >> (bigit_bits - shift); + bigits_[i] = (bigits_[i] << shift) + carry; + carry = c; + } + if (carry != 0) + bigits_.push_back(carry); + return *this; + } + + template + bigint &operator*=(Int value) + { + FMT_ASSERT(value > 0, ""); + multiply(uint32_or_64_or_128_t(value)); + return *this; + } + + friend int compare(const bigint &lhs, const bigint &rhs) + { + int num_lhs_bigits = lhs.num_bigits(), num_rhs_bigits = rhs.num_bigits(); + if (num_lhs_bigits != num_rhs_bigits) + return num_lhs_bigits > num_rhs_bigits ? 1 : -1; + int i = static_cast(lhs.bigits_.size()) - 1; + int j = static_cast(rhs.bigits_.size()) - 1; + int end = i - j; + if (end < 0) + end = 0; + for (; i >= end; --i, --j) + { + bigit lhs_bigit = lhs.bigits_[i], rhs_bigit = rhs.bigits_[j]; + if (lhs_bigit != rhs_bigit) + return lhs_bigit > rhs_bigit ? 1 : -1; + } + if (i != j) + return i > j ? 1 : -1; + return 0; + } + + // Returns compare(lhs1 + lhs2, rhs). + friend int add_compare(const bigint &lhs1, const bigint &lhs2, const bigint &rhs) + { + int max_lhs_bigits = (std::max)(lhs1.num_bigits(), lhs2.num_bigits()); + int num_rhs_bigits = rhs.num_bigits(); + if (max_lhs_bigits + 1 < num_rhs_bigits) + return -1; + if (max_lhs_bigits > num_rhs_bigits) + return 1; + auto get_bigit = [](const bigint &n, int i) -> bigit { return i >= n.exp_ && i < n.num_bigits() ? n.bigits_[i - n.exp_] : 0; }; + double_bigit borrow = 0; + int min_exp = (std::min)((std::min)(lhs1.exp_, lhs2.exp_), rhs.exp_); + for (int i = num_rhs_bigits - 1; i >= min_exp; --i) + { + double_bigit sum = static_cast(get_bigit(lhs1, i)) + get_bigit(lhs2, i); + bigit rhs_bigit = get_bigit(rhs, i); + if (sum > rhs_bigit + borrow) + return 1; + borrow = rhs_bigit + borrow - sum; + if (borrow > 1) + return -1; + borrow <<= bigit_bits; + } + return borrow != 0 ? -1 : 0; + } + + // Assigns pow(10, exp) to this bigint. + void assign_pow10(int exp) + { + assert(exp >= 0); + if (exp == 0) + return assign(1); + // Find the top bit. + int bitmask = 1; + while (exp >= bitmask) + bitmask <<= 1; + bitmask >>= 1; + // pow(10, exp) = pow(5, exp) * pow(2, exp). First compute pow(5, exp) by + // repeated squaring and multiplication. + assign(5); + bitmask >>= 1; + while (bitmask != 0) + { + square(); + if ((exp & bitmask) != 0) + *this *= 5; + bitmask >>= 1; + } + *this <<= exp; // Multiply by pow(2, exp) by shifting. + } + + void square() + { + basic_memory_buffer n(std::move(bigits_)); + int num_bigits = static_cast(bigits_.size()); + int num_result_bigits = 2 * num_bigits; + bigits_.resize(num_result_bigits); + using accumulator_t = conditional_t; + auto sum = accumulator_t(); + for (int bigit_index = 0; bigit_index < num_bigits; ++bigit_index) + { + // Compute bigit at position bigit_index of the result by adding + // cross-product terms n[i] * n[j] such that i + j == bigit_index. + for (int i = 0, j = bigit_index; j >= 0; ++i, --j) + { + // Most terms are multiplied twice which can be optimized in the future. + sum += static_cast(n[i]) * n[j]; + } + bigits_[bigit_index] = static_cast(sum); + sum >>= bits::value; // Compute the carry. + } + // Do the same for the top half. + for (int bigit_index = num_bigits; bigit_index < num_result_bigits; ++bigit_index) + { + for (int j = num_bigits - 1, i = bigit_index - j; i < num_bigits;) + sum += static_cast(n[i++]) * n[j--]; + bigits_[bigit_index] = static_cast(sum); + sum >>= bits::value; + } + --num_result_bigits; + remove_leading_zeros(); + exp_ *= 2; + } + + // Divides this bignum by divisor, assigning the remainder to this and + // returning the quotient. + int divmod_assign(const bigint &divisor) + { + FMT_ASSERT(this != &divisor, ""); + if (compare(*this, divisor) < 0) + return 0; + int num_bigits = static_cast(bigits_.size()); + FMT_ASSERT(divisor.bigits_[divisor.bigits_.size() - 1] != 0, ""); + int exp_difference = exp_ - divisor.exp_; + if (exp_difference > 0) + { + // Align bigints by adding trailing zeros to simplify subtraction. + bigits_.resize(num_bigits + exp_difference); + for (int i = num_bigits - 1, j = i + exp_difference; i >= 0; --i, --j) + bigits_[j] = bigits_[i]; + std::uninitialized_fill_n(bigits_.data(), exp_difference, 0); + exp_ -= exp_difference; + } + int quotient = 0; + do + { + subtract_aligned(divisor); + ++quotient; + } while (compare(*this, divisor) >= 0); + return quotient; } - int quotient = 0; - do { - subtract_aligned(divisor); - ++quotient; - } while (compare(*this, divisor) >= 0); - return quotient; - } }; -enum round_direction { unknown, up, down }; +enum round_direction +{ + unknown, + up, + down +}; // Given the divisor (normally a power of 10), the remainder = v % divisor for // some number v and the error, returns whether v should be rounded up, down, or // whether the rounding direction can't be determined due to error. // error should be less than divisor / 2. -inline round_direction get_round_direction(uint64_t divisor, uint64_t remainder, - uint64_t error) { - FMT_ASSERT(remainder < divisor, ""); // divisor - remainder won't overflow. - FMT_ASSERT(error < divisor, ""); // divisor - error won't overflow. - FMT_ASSERT(error < divisor - error, ""); // error * 2 won't overflow. - // Round down if (remainder + error) * 2 <= divisor. - if (remainder <= divisor - remainder && error * 2 <= divisor - remainder * 2) - return down; - // Round up if (remainder - error) * 2 >= divisor. - if (remainder >= error && - remainder - error >= divisor - (remainder - error)) { - return up; - } - return unknown; +inline round_direction get_round_direction(uint64_t divisor, uint64_t remainder, uint64_t error) +{ + FMT_ASSERT(remainder < divisor, ""); // divisor - remainder won't overflow. + FMT_ASSERT(error < divisor, ""); // divisor - error won't overflow. + FMT_ASSERT(error < divisor - error, ""); // error * 2 won't overflow. + // Round down if (remainder + error) * 2 <= divisor. + if (remainder <= divisor - remainder && error * 2 <= divisor - remainder * 2) + return down; + // Round up if (remainder - error) * 2 >= divisor. + if (remainder >= error && remainder - error >= divisor - (remainder - error)) + { + return up; + } + return unknown; } namespace digits { -enum result { - more, // Generate more digits. - done, // Done generating digits. - error // Digit generation cancelled due to an error. +enum result +{ + more, // Generate more digits. + done, // Done generating digits. + error // Digit generation cancelled due to an error. }; } // Generates output using the Grisu digit-gen algorithm. // error: the size of the region (lower, upper) outside of which numbers // definitely do not round to value (Delta in Grisu3). -template -FMT_ALWAYS_INLINE digits::result grisu_gen_digits(fp value, uint64_t error, - int& exp, Handler& handler) { - const fp one(1ULL << -value.e, value.e); - // The integral part of scaled value (p1 in Grisu) = value / one. It cannot be - // zero because it contains a product of two 64-bit numbers with MSB set (due - // to normalization) - 1, shifted right by at most 60 bits. - auto integral = static_cast(value.f >> -one.e); - FMT_ASSERT(integral != 0, ""); - FMT_ASSERT(integral == value.f >> -one.e, ""); - // The fractional part of scaled value (p2 in Grisu) c = value % one. - uint64_t fractional = value.f & (one.f - 1); - exp = count_digits(integral); // kappa in Grisu. - // Divide by 10 to prevent overflow. - auto result = handler.on_start(data::powers_of_10_64[exp - 1] << -one.e, - value.f / 10, error * 10, exp); - if (result != digits::more) return result; - // Generate digits for the integral part. This can produce up to 10 digits. - do { - uint32_t digit = 0; - auto divmod_integral = [&](uint32_t divisor) { - digit = integral / divisor; - integral %= divisor; - }; - // This optimization by Milo Yip reduces the number of integer divisions by - // one per iteration. - switch (exp) { - case 10: - divmod_integral(1000000000); - break; - case 9: - divmod_integral(100000000); - break; - case 8: - divmod_integral(10000000); - break; - case 7: - divmod_integral(1000000); - break; - case 6: - divmod_integral(100000); - break; - case 5: - divmod_integral(10000); - break; - case 4: - divmod_integral(1000); - break; - case 3: - divmod_integral(100); - break; - case 2: - divmod_integral(10); - break; - case 1: - digit = integral; - integral = 0; - break; - default: - FMT_ASSERT(false, "invalid number of digits"); +template +FMT_ALWAYS_INLINE digits::result grisu_gen_digits(fp value, uint64_t error, int &exp, Handler &handler) +{ + const fp one(1ULL << -value.e, value.e); + // The integral part of scaled value (p1 in Grisu) = value / one. It cannot be + // zero because it contains a product of two 64-bit numbers with MSB set (due + // to normalization) - 1, shifted right by at most 60 bits. + auto integral = static_cast(value.f >> -one.e); + FMT_ASSERT(integral != 0, ""); + FMT_ASSERT(integral == value.f >> -one.e, ""); + // The fractional part of scaled value (p2 in Grisu) c = value % one. + uint64_t fractional = value.f & (one.f - 1); + exp = count_digits(integral); // kappa in Grisu. + // Divide by 10 to prevent overflow. + auto result = handler.on_start(data::powers_of_10_64[exp - 1] << -one.e, value.f / 10, error * 10, exp); + if (result != digits::more) + return result; + // Generate digits for the integral part. This can produce up to 10 digits. + do + { + uint32_t digit = 0; + auto divmod_integral = [&](uint32_t divisor) { + digit = integral / divisor; + integral %= divisor; + }; + // This optimization by Milo Yip reduces the number of integer divisions by + // one per iteration. + switch (exp) + { + case 10: + divmod_integral(1000000000); + break; + case 9: + divmod_integral(100000000); + break; + case 8: + divmod_integral(10000000); + break; + case 7: + divmod_integral(1000000); + break; + case 6: + divmod_integral(100000); + break; + case 5: + divmod_integral(10000); + break; + case 4: + divmod_integral(1000); + break; + case 3: + divmod_integral(100); + break; + case 2: + divmod_integral(10); + break; + case 1: + digit = integral; + integral = 0; + break; + default: + FMT_ASSERT(false, "invalid number of digits"); + } + --exp; + uint64_t remainder = (static_cast(integral) << -one.e) + fractional; + result = handler.on_digit(static_cast('0' + digit), data::powers_of_10_64[exp] << -one.e, remainder, error, exp, true); + if (result != digits::more) + return result; + } while (exp > 0); + // Generate digits for the fractional part. + for (;;) + { + fractional *= 10; + error *= 10; + char digit = static_cast('0' + static_cast(fractional >> -one.e)); + fractional &= one.f - 1; + --exp; + result = handler.on_digit(digit, one.f, fractional, error, exp, false); + if (result != digits::more) + return result; } - --exp; - uint64_t remainder = - (static_cast(integral) << -one.e) + fractional; - result = handler.on_digit(static_cast('0' + digit), - data::powers_of_10_64[exp] << -one.e, remainder, - error, exp, true); - if (result != digits::more) return result; - } while (exp > 0); - // Generate digits for the fractional part. - for (;;) { - fractional *= 10; - error *= 10; - char digit = - static_cast('0' + static_cast(fractional >> -one.e)); - fractional &= one.f - 1; - --exp; - result = handler.on_digit(digit, one.f, fractional, error, exp, false); - if (result != digits::more) return result; - } } // The fixed precision digit handler. -struct fixed_handler { - char* buf; - int size; - int precision; - int exp10; - bool fixed; +struct fixed_handler +{ + char *buf; + int size; + int precision; + int exp10; + bool fixed; - digits::result on_start(uint64_t divisor, uint64_t remainder, uint64_t error, - int& exp) { - // Non-fixed formats require at least one digit and no precision adjustment. - if (!fixed) return digits::more; - // Adjust fixed precision by exponent because it is relative to decimal - // point. - precision += exp + exp10; - // Check if precision is satisfied just by leading zeros, e.g. - // format("{:.2f}", 0.001) gives "0.00" without generating any digits. - if (precision > 0) return digits::more; - if (precision < 0) return digits::done; - auto dir = get_round_direction(divisor, remainder, error); - if (dir == unknown) return digits::error; - buf[size++] = dir == up ? '1' : '0'; - return digits::done; - } + digits::result on_start(uint64_t divisor, uint64_t remainder, uint64_t error, int &exp) + { + // Non-fixed formats require at least one digit and no precision adjustment. + if (!fixed) + return digits::more; + // Adjust fixed precision by exponent because it is relative to decimal + // point. + precision += exp + exp10; + // Check if precision is satisfied just by leading zeros, e.g. + // format("{:.2f}", 0.001) gives "0.00" without generating any digits. + if (precision > 0) + return digits::more; + if (precision < 0) + return digits::done; + auto dir = get_round_direction(divisor, remainder, error); + if (dir == unknown) + return digits::error; + buf[size++] = dir == up ? '1' : '0'; + return digits::done; + } - digits::result on_digit(char digit, uint64_t divisor, uint64_t remainder, - uint64_t error, int, bool integral) { - FMT_ASSERT(remainder < divisor, ""); - buf[size++] = digit; - if (size < precision) return digits::more; - if (!integral) { - // Check if error * 2 < divisor with overflow prevention. - // The check is not needed for the integral part because error = 1 - // and divisor > (1 << 32) there. - if (error >= divisor || error >= divisor - error) return digits::error; - } else { - FMT_ASSERT(error == 1 && divisor > 2, ""); + digits::result on_digit(char digit, uint64_t divisor, uint64_t remainder, uint64_t error, int, bool integral) + { + FMT_ASSERT(remainder < divisor, ""); + buf[size++] = digit; + if (size < precision) + return digits::more; + if (!integral) + { + // Check if error * 2 < divisor with overflow prevention. + // The check is not needed for the integral part because error = 1 + // and divisor > (1 << 32) there. + if (error >= divisor || error >= divisor - error) + return digits::error; + } + else + { + FMT_ASSERT(error == 1 && divisor > 2, ""); + } + auto dir = get_round_direction(divisor, remainder, error); + if (dir != up) + return dir == down ? digits::done : digits::error; + ++buf[size - 1]; + for (int i = size - 1; i > 0 && buf[i] > '9'; --i) + { + buf[i] = '0'; + ++buf[i - 1]; + } + if (buf[0] > '9') + { + buf[0] = '1'; + buf[size++] = '0'; + } + return digits::done; } - auto dir = get_round_direction(divisor, remainder, error); - if (dir != up) return dir == down ? digits::done : digits::error; - ++buf[size - 1]; - for (int i = size - 1; i > 0 && buf[i] > '9'; --i) { - buf[i] = '0'; - ++buf[i - 1]; - } - if (buf[0] > '9') { - buf[0] = '1'; - buf[size++] = '0'; - } - return digits::done; - } }; // The shortest representation digit handler. -struct grisu_shortest_handler { - char* buf; - int size; - // Distance between scaled value and upper bound (wp_W in Grisu3). - uint64_t diff; +struct grisu_shortest_handler +{ + char *buf; + int size; + // Distance between scaled value and upper bound (wp_W in Grisu3). + uint64_t diff; - digits::result on_start(uint64_t, uint64_t, uint64_t, int&) { - return digits::more; - } - - // Decrement the generated number approaching value from above. - void round(uint64_t d, uint64_t divisor, uint64_t& remainder, - uint64_t error) { - while ( - remainder < d && error - remainder >= divisor && - (remainder + divisor < d || d - remainder >= remainder + divisor - d)) { - --buf[size - 1]; - remainder += divisor; + digits::result on_start(uint64_t, uint64_t, uint64_t, int &) + { + return digits::more; } - } - // Implements Grisu's round_weed. - digits::result on_digit(char digit, uint64_t divisor, uint64_t remainder, - uint64_t error, int exp, bool integral) { - buf[size++] = digit; - if (remainder >= error) return digits::more; - uint64_t unit = integral ? 1 : data::powers_of_10_64[-exp]; - uint64_t up = (diff - 1) * unit; // wp_Wup - round(up, divisor, remainder, error); - uint64_t down = (diff + 1) * unit; // wp_Wdown - if (remainder < down && error - remainder >= divisor && - (remainder + divisor < down || - down - remainder > remainder + divisor - down)) { - return digits::error; + // Decrement the generated number approaching value from above. + void round(uint64_t d, uint64_t divisor, uint64_t &remainder, uint64_t error) + { + while (remainder < d && error - remainder >= divisor && (remainder + divisor < d || d - remainder >= remainder + divisor - d)) + { + --buf[size - 1]; + remainder += divisor; + } + } + + // Implements Grisu's round_weed. + digits::result on_digit(char digit, uint64_t divisor, uint64_t remainder, uint64_t error, int exp, bool integral) + { + buf[size++] = digit; + if (remainder >= error) + return digits::more; + uint64_t unit = integral ? 1 : data::powers_of_10_64[-exp]; + uint64_t up = (diff - 1) * unit; // wp_Wup + round(up, divisor, remainder, error); + uint64_t down = (diff + 1) * unit; // wp_Wdown + if (remainder < down && error - remainder >= divisor && + (remainder + divisor < down || down - remainder > remainder + divisor - down)) + { + return digits::error; + } + return 2 * unit <= remainder && remainder <= error - 4 * unit ? digits::done : digits::error; } - return 2 * unit <= remainder && remainder <= error - 4 * unit - ? digits::done - : digits::error; - } }; // Formats value using a variation of the Fixed-Precision Positive // Floating-Point Printout ((FPP)^2) algorithm by Steele & White: // https://fmt.dev/p372-steele.pdf. -template -void fallback_format(Double d, buffer& buf, int& exp10) { - bigint numerator; // 2 * R in (FPP)^2. - bigint denominator; // 2 * S in (FPP)^2. - // lower and upper are differences between value and corresponding boundaries. - bigint lower; // (M^- in (FPP)^2). - bigint upper_store; // upper's value if different from lower. - bigint* upper = nullptr; // (M^+ in (FPP)^2). - fp value; - // Shift numerator and denominator by an extra bit or two (if lower boundary - // is closer) to make lower and upper integers. This eliminates multiplication - // by 2 during later computations. - // TODO: handle float - int shift = value.assign(d) ? 2 : 1; - uint64_t significand = value.f << shift; - if (value.e >= 0) { - numerator.assign(significand); - numerator <<= value.e; - lower.assign(1); - lower <<= value.e; - if (shift != 1) { - upper_store.assign(1); - upper_store <<= value.e + 1; - upper = &upper_store; +template +void fallback_format(Double d, buffer &buf, int &exp10) +{ + bigint numerator; // 2 * R in (FPP)^2. + bigint denominator; // 2 * S in (FPP)^2. + // lower and upper are differences between value and corresponding boundaries. + bigint lower; // (M^- in (FPP)^2). + bigint upper_store; // upper's value if different from lower. + bigint *upper = nullptr; // (M^+ in (FPP)^2). + fp value; + // Shift numerator and denominator by an extra bit or two (if lower boundary + // is closer) to make lower and upper integers. This eliminates multiplication + // by 2 during later computations. + // TODO: handle float + int shift = value.assign(d) ? 2 : 1; + uint64_t significand = value.f << shift; + if (value.e >= 0) + { + numerator.assign(significand); + numerator <<= value.e; + lower.assign(1); + lower <<= value.e; + if (shift != 1) + { + upper_store.assign(1); + upper_store <<= value.e + 1; + upper = &upper_store; + } + denominator.assign_pow10(exp10); + denominator <<= 1; } - denominator.assign_pow10(exp10); - denominator <<= 1; - } else if (exp10 < 0) { - numerator.assign_pow10(-exp10); - lower.assign(numerator); - if (shift != 1) { - upper_store.assign(numerator); - upper_store <<= 1; - upper = &upper_store; + else if (exp10 < 0) + { + numerator.assign_pow10(-exp10); + lower.assign(numerator); + if (shift != 1) + { + upper_store.assign(numerator); + upper_store <<= 1; + upper = &upper_store; + } + numerator *= significand; + denominator.assign(1); + denominator <<= shift - value.e; } - numerator *= significand; - denominator.assign(1); - denominator <<= shift - value.e; - } else { - numerator.assign(significand); - denominator.assign_pow10(exp10); - denominator <<= shift - value.e; - lower.assign(1); - if (shift != 1) { - upper_store.assign(1ULL << 1); - upper = &upper_store; + else + { + numerator.assign(significand); + denominator.assign_pow10(exp10); + denominator <<= shift - value.e; + lower.assign(1); + if (shift != 1) + { + upper_store.assign(1ULL << 1); + upper = &upper_store; + } } - } - if (!upper) upper = &lower; - // Invariant: value == (numerator / denominator) * pow(10, exp10). - bool even = (value.f & 1) == 0; - int num_digits = 0; - char* data = buf.data(); - for (;;) { - int digit = numerator.divmod_assign(denominator); - bool low = compare(numerator, lower) - even < 0; // numerator <[=] lower. - // numerator + upper >[=] pow10: - bool high = add_compare(numerator, *upper, denominator) + even > 0; - data[num_digits++] = static_cast('0' + digit); - if (low || high) { - if (!low) { - ++data[num_digits - 1]; - } else if (high) { - int result = add_compare(numerator, numerator, denominator); - // Round half to even. - if (result > 0 || (result == 0 && (digit % 2) != 0)) - ++data[num_digits - 1]; - } - buf.resize(num_digits); - exp10 -= num_digits - 1; - return; + if (!upper) + upper = &lower; + // Invariant: value == (numerator / denominator) * pow(10, exp10). + bool even = (value.f & 1) == 0; + int num_digits = 0; + char *data = buf.data(); + for (;;) + { + int digit = numerator.divmod_assign(denominator); + bool low = compare(numerator, lower) - even < 0; // numerator <[=] lower. + // numerator + upper >[=] pow10: + bool high = add_compare(numerator, *upper, denominator) + even > 0; + data[num_digits++] = static_cast('0' + digit); + if (low || high) + { + if (!low) + { + ++data[num_digits - 1]; + } + else if (high) + { + int result = add_compare(numerator, numerator, denominator); + // Round half to even. + if (result > 0 || (result == 0 && (digit % 2) != 0)) + ++data[num_digits - 1]; + } + buf.resize(num_digits); + exp10 -= num_digits - 1; + return; + } + numerator *= 10; + lower *= 10; + if (upper != &lower) + *upper *= 10; } - numerator *= 10; - lower *= 10; - if (upper != &lower) *upper *= 10; - } } // Formats value using the Grisu algorithm // (https://www.cs.tufts.edu/~nr/cs257/archive/florian-loitsch/printf.pdf) // if T is a IEEE754 binary32 or binary64 and snprintf otherwise. -template -int format_float(T value, int precision, float_specs specs, buffer& buf) { - static_assert(!std::is_same(), ""); - FMT_ASSERT(value >= 0, "value is negative"); +template +int format_float(T value, int precision, float_specs specs, buffer &buf) +{ + static_assert(!std::is_same(), ""); + FMT_ASSERT(value >= 0, "value is negative"); - const bool fixed = specs.format == float_format::fixed; - if (value <= 0) { // <= instead of == to silence a warning. - if (precision <= 0 || !fixed) { - buf.push_back('0'); - return 0; + const bool fixed = specs.format == float_format::fixed; + if (value <= 0) + { // <= instead of == to silence a warning. + if (precision <= 0 || !fixed) + { + buf.push_back('0'); + return 0; + } + buf.resize(to_unsigned(precision)); + std::uninitialized_fill_n(buf.data(), precision, '0'); + return -precision; } - buf.resize(to_unsigned(precision)); - std::uninitialized_fill_n(buf.data(), precision, '0'); - return -precision; - } - if (!specs.use_grisu) return snprintf_float(value, precision, specs, buf); + if (!specs.use_grisu) + return snprintf_float(value, precision, specs, buf); - int exp = 0; - const int min_exp = -60; // alpha in Grisu. - int cached_exp10 = 0; // K in Grisu. - if (precision != -1) { - if (precision > 17) return snprintf_float(value, precision, specs, buf); - fp normalized = normalize(fp(value)); - const auto cached_pow = get_cached_power( - min_exp - (normalized.e + fp::significand_size), cached_exp10); - normalized = normalized * cached_pow; - fixed_handler handler{buf.data(), 0, precision, -cached_exp10, fixed}; - if (grisu_gen_digits(normalized, 1, exp, handler) == digits::error) - return snprintf_float(value, precision, specs, buf); - int num_digits = handler.size; - if (!fixed) { - // Remove trailing zeros. - while (num_digits > 0 && buf[num_digits - 1] == '0') { - --num_digits; - ++exp; - } - } - buf.resize(to_unsigned(num_digits)); - } else { - fp fp_value; - auto boundaries = specs.binary32 - ? fp_value.assign_float_with_boundaries(value) - : fp_value.assign_with_boundaries(value); - fp_value = normalize(fp_value); - // Find a cached power of 10 such that multiplying value by it will bring - // the exponent in the range [min_exp, -32]. - const fp cached_pow = get_cached_power( - min_exp - (fp_value.e + fp::significand_size), cached_exp10); - // Multiply value and boundaries by the cached power of 10. - fp_value = fp_value * cached_pow; - boundaries.lower = multiply(boundaries.lower, cached_pow.f); - boundaries.upper = multiply(boundaries.upper, cached_pow.f); - assert(min_exp <= fp_value.e && fp_value.e <= -32); - --boundaries.lower; // \tilde{M}^- - 1 ulp -> M^-_{\downarrow}. - ++boundaries.upper; // \tilde{M}^+ + 1 ulp -> M^+_{\uparrow}. - // Numbers outside of (lower, upper) definitely do not round to value. - grisu_shortest_handler handler{buf.data(), 0, - boundaries.upper - fp_value.f}; - auto result = - grisu_gen_digits(fp(boundaries.upper, fp_value.e), - boundaries.upper - boundaries.lower, exp, handler); - if (result == digits::error) { - exp += handler.size - cached_exp10 - 1; - fallback_format(value, buf, exp); - return exp; - } - buf.resize(to_unsigned(handler.size)); - } - return exp - cached_exp10; -} - -template -int snprintf_float(T value, int precision, float_specs specs, - buffer& buf) { - // Buffer capacity must be non-zero, otherwise MSVC's vsnprintf_s will fail. - FMT_ASSERT(buf.capacity() > buf.size(), "empty buffer"); - static_assert(!std::is_same(), ""); - - // Subtract 1 to account for the difference in precision since we use %e for - // both general and exponent format. - if (specs.format == float_format::general || - specs.format == float_format::exp) - precision = (precision >= 0 ? precision : 6) - 1; - - // Build the format string. - enum { max_format_size = 7 }; // Ths longest format is "%#.*Le". - char format[max_format_size]; - char* format_ptr = format; - *format_ptr++ = '%'; - if (specs.trailing_zeros) *format_ptr++ = '#'; - if (precision >= 0) { - *format_ptr++ = '.'; - *format_ptr++ = '*'; - } - if (std::is_same()) *format_ptr++ = 'L'; - *format_ptr++ = specs.format != float_format::hex - ? (specs.format == float_format::fixed ? 'f' : 'e') - : (specs.upper ? 'A' : 'a'); - *format_ptr = '\0'; - - // Format using snprintf. - auto offset = buf.size(); - for (;;) { - auto begin = buf.data() + offset; - auto capacity = buf.capacity() - offset; -#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION - if (precision > 100000) - throw std::runtime_error( - "fuzz mode - avoid large allocation inside snprintf"); -#endif - // Suppress the warning about a nonliteral format string. - auto snprintf_ptr = FMT_SNPRINTF; - int result = precision >= 0 - ? snprintf_ptr(begin, capacity, format, precision, value) - : snprintf_ptr(begin, capacity, format, value); - if (result < 0) { - buf.reserve(buf.capacity() + 1); // The buffer will grow exponentially. - continue; - } - unsigned size = to_unsigned(result); - // Size equal to capacity means that the last character was truncated. - if (size >= capacity) { - buf.reserve(size + offset + 1); // Add 1 for the terminating '\0'. - continue; - } - auto is_digit = [](char c) { return c >= '0' && c <= '9'; }; - if (specs.format == float_format::fixed) { - if (precision == 0) { - buf.resize(size); - return 0; - } - // Find and remove the decimal point. - auto end = begin + size, p = end; - do { - --p; - } while (is_digit(*p)); - int fraction_size = static_cast(end - p - 1); - std::memmove(p, p + 1, fraction_size); - buf.resize(size - 1); - return -fraction_size; - } - if (specs.format == float_format::hex) { - buf.resize(size + offset); - return 0; - } - // Find and parse the exponent. - auto end = begin + size, exp_pos = end; - do { - --exp_pos; - } while (*exp_pos != 'e'); - char sign = exp_pos[1]; - assert(sign == '+' || sign == '-'); int exp = 0; - auto p = exp_pos + 2; // Skip 'e' and sign. - do { - assert(is_digit(*p)); - exp = exp * 10 + (*p++ - '0'); - } while (p != end); - if (sign == '-') exp = -exp; - int fraction_size = 0; - if (exp_pos != begin + 1) { - // Remove trailing zeros. - auto fraction_end = exp_pos - 1; - while (*fraction_end == '0') --fraction_end; - // Move the fractional part left to get rid of the decimal point. - fraction_size = static_cast(fraction_end - begin - 1); - std::memmove(begin + 1, begin + 2, fraction_size); + const int min_exp = -60; // alpha in Grisu. + int cached_exp10 = 0; // K in Grisu. + if (precision != -1) + { + if (precision > 17) + return snprintf_float(value, precision, specs, buf); + fp normalized = normalize(fp(value)); + const auto cached_pow = get_cached_power(min_exp - (normalized.e + fp::significand_size), cached_exp10); + normalized = normalized * cached_pow; + fixed_handler handler{buf.data(), 0, precision, -cached_exp10, fixed}; + if (grisu_gen_digits(normalized, 1, exp, handler) == digits::error) + return snprintf_float(value, precision, specs, buf); + int num_digits = handler.size; + if (!fixed) + { + // Remove trailing zeros. + while (num_digits > 0 && buf[num_digits - 1] == '0') + { + --num_digits; + ++exp; + } + } + buf.resize(to_unsigned(num_digits)); } - buf.resize(fraction_size + offset + 1); - return exp - fraction_size; - } + else + { + fp fp_value; + auto boundaries = specs.binary32 ? fp_value.assign_float_with_boundaries(value) : fp_value.assign_with_boundaries(value); + fp_value = normalize(fp_value); + // Find a cached power of 10 such that multiplying value by it will bring + // the exponent in the range [min_exp, -32]. + const fp cached_pow = get_cached_power(min_exp - (fp_value.e + fp::significand_size), cached_exp10); + // Multiply value and boundaries by the cached power of 10. + fp_value = fp_value * cached_pow; + boundaries.lower = multiply(boundaries.lower, cached_pow.f); + boundaries.upper = multiply(boundaries.upper, cached_pow.f); + assert(min_exp <= fp_value.e && fp_value.e <= -32); + --boundaries.lower; // \tilde{M}^- - 1 ulp -> M^-_{\downarrow}. + ++boundaries.upper; // \tilde{M}^+ + 1 ulp -> M^+_{\uparrow}. + // Numbers outside of (lower, upper) definitely do not round to value. + grisu_shortest_handler handler{buf.data(), 0, boundaries.upper - fp_value.f}; + auto result = grisu_gen_digits(fp(boundaries.upper, fp_value.e), boundaries.upper - boundaries.lower, exp, handler); + if (result == digits::error) + { + exp += handler.size - cached_exp10 - 1; + fallback_format(value, buf, exp); + return exp; + } + buf.resize(to_unsigned(handler.size)); + } + return exp - cached_exp10; } -} // namespace internal -template <> struct formatter { - format_parse_context::iterator parse(format_parse_context& ctx) { - return ctx.begin(); - } +template +int snprintf_float(T value, int precision, float_specs specs, buffer &buf) +{ + // Buffer capacity must be non-zero, otherwise MSVC's vsnprintf_s will fail. + FMT_ASSERT(buf.capacity() > buf.size(), "empty buffer"); + static_assert(!std::is_same(), ""); - format_context::iterator format(const internal::bigint& n, - format_context& ctx) { - auto out = ctx.out(); - bool first = true; - for (auto i = n.bigits_.size(); i > 0; --i) { - auto value = n.bigits_[i - 1]; - if (first) { - out = format_to(out, "{:x}", value); - first = false; - continue; - } - out = format_to(out, "{:08x}", value); + // Subtract 1 to account for the difference in precision since we use %e for + // both general and exponent format. + if (specs.format == float_format::general || specs.format == float_format::exp) + precision = (precision >= 0 ? precision : 6) - 1; + + // Build the format string. + enum + { + max_format_size = 7 + }; // Ths longest format is "%#.*Le". + char format[max_format_size]; + char *format_ptr = format; + *format_ptr++ = '%'; + if (specs.trailing_zeros) + *format_ptr++ = '#'; + if (precision >= 0) + { + *format_ptr++ = '.'; + *format_ptr++ = '*'; + } + if (std::is_same()) + *format_ptr++ = 'L'; + *format_ptr++ = specs.format != float_format::hex ? (specs.format == float_format::fixed ? 'f' : 'e') : (specs.upper ? 'A' : 'a'); + *format_ptr = '\0'; + + // Format using snprintf. + auto offset = buf.size(); + for (;;) + { + auto begin = buf.data() + offset; + auto capacity = buf.capacity() - offset; +#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION + if (precision > 100000) + throw std::runtime_error("fuzz mode - avoid large allocation inside snprintf"); +#endif + // Suppress the warning about a nonliteral format string. + auto snprintf_ptr = FMT_SNPRINTF; + int result = + precision >= 0 ? snprintf_ptr(begin, capacity, format, precision, value) : snprintf_ptr(begin, capacity, format, value); + if (result < 0) + { + buf.reserve(buf.capacity() + 1); // The buffer will grow exponentially. + continue; + } + unsigned size = to_unsigned(result); + // Size equal to capacity means that the last character was truncated. + if (size >= capacity) + { + buf.reserve(size + offset + 1); // Add 1 for the terminating '\0'. + continue; + } + auto is_digit = [](char c) { return c >= '0' && c <= '9'; }; + if (specs.format == float_format::fixed) + { + if (precision == 0) + { + buf.resize(size); + return 0; + } + // Find and remove the decimal point. + auto end = begin + size, p = end; + do + { + --p; + } while (is_digit(*p)); + int fraction_size = static_cast(end - p - 1); + std::memmove(p, p + 1, fraction_size); + buf.resize(size - 1); + return -fraction_size; + } + if (specs.format == float_format::hex) + { + buf.resize(size + offset); + return 0; + } + // Find and parse the exponent. + auto end = begin + size, exp_pos = end; + do + { + --exp_pos; + } while (*exp_pos != 'e'); + char sign = exp_pos[1]; + assert(sign == '+' || sign == '-'); + int exp = 0; + auto p = exp_pos + 2; // Skip 'e' and sign. + do + { + assert(is_digit(*p)); + exp = exp * 10 + (*p++ - '0'); + } while (p != end); + if (sign == '-') + exp = -exp; + int fraction_size = 0; + if (exp_pos != begin + 1) + { + // Remove trailing zeros. + auto fraction_end = exp_pos - 1; + while (*fraction_end == '0') + --fraction_end; + // Move the fractional part left to get rid of the decimal point. + fraction_size = static_cast(fraction_end - begin - 1); + std::memmove(begin + 1, begin + 2, fraction_size); + } + buf.resize(fraction_size + offset + 1); + return exp - fraction_size; + } +} +} // namespace internal + +template<> +struct formatter +{ + format_parse_context::iterator parse(format_parse_context &ctx) + { + return ctx.begin(); + } + + format_context::iterator format(const internal::bigint &n, format_context &ctx) + { + auto out = ctx.out(); + bool first = true; + for (auto i = n.bigits_.size(); i > 0; --i) + { + auto value = n.bigits_[i - 1]; + if (first) + { + out = format_to(out, "{:x}", value); + first = false; + continue; + } + out = format_to(out, "{:08x}", value); + } + if (n.exp_ > 0) + out = format_to(out, "p{}", n.exp_ * internal::bigint::bigit_bits); + return out; } - if (n.exp_ > 0) - out = format_to(out, "p{}", n.exp_ * internal::bigint::bigit_bits); - return out; - } }; #if FMT_USE_WINDOWS_H -FMT_FUNC internal::utf8_to_utf16::utf8_to_utf16(string_view s) { - static const char ERROR_MSG[] = "cannot convert string from UTF-8 to UTF-16"; - if (s.size() > INT_MAX) - FMT_THROW(windows_error(ERROR_INVALID_PARAMETER, ERROR_MSG)); - int s_size = static_cast(s.size()); - if (s_size == 0) { - // MultiByteToWideChar does not support zero length, handle separately. - buffer_.resize(1); - buffer_[0] = 0; - return; - } - - int length = MultiByteToWideChar(CP_UTF8, MB_ERR_INVALID_CHARS, s.data(), - s_size, nullptr, 0); - if (length == 0) FMT_THROW(windows_error(GetLastError(), ERROR_MSG)); - buffer_.resize(length + 1); - length = MultiByteToWideChar(CP_UTF8, MB_ERR_INVALID_CHARS, s.data(), s_size, - &buffer_[0], length); - if (length == 0) FMT_THROW(windows_error(GetLastError(), ERROR_MSG)); - buffer_[length] = 0; -} - -FMT_FUNC internal::utf16_to_utf8::utf16_to_utf8(wstring_view s) { - if (int error_code = convert(s)) { - FMT_THROW(windows_error(error_code, - "cannot convert string from UTF-16 to UTF-8")); - } -} - -FMT_FUNC int internal::utf16_to_utf8::convert(wstring_view s) { - if (s.size() > INT_MAX) return ERROR_INVALID_PARAMETER; - int s_size = static_cast(s.size()); - if (s_size == 0) { - // WideCharToMultiByte does not support zero length, handle separately. - buffer_.resize(1); - buffer_[0] = 0; - return 0; - } - - int length = WideCharToMultiByte(CP_UTF8, 0, s.data(), s_size, nullptr, 0, - nullptr, nullptr); - if (length == 0) return GetLastError(); - buffer_.resize(length + 1); - length = WideCharToMultiByte(CP_UTF8, 0, s.data(), s_size, &buffer_[0], - length, nullptr, nullptr); - if (length == 0) return GetLastError(); - buffer_[length] = 0; - return 0; -} - -FMT_FUNC void windows_error::init(int err_code, string_view format_str, - format_args args) { - error_code_ = err_code; - memory_buffer buffer; - internal::format_windows_error(buffer, err_code, vformat(format_str, args)); - std::runtime_error& base = *this; - base = std::runtime_error(to_string(buffer)); -} - -FMT_FUNC void internal::format_windows_error(internal::buffer& out, - int error_code, - string_view message) FMT_NOEXCEPT { - FMT_TRY { - wmemory_buffer buf; - buf.resize(inline_buffer_size); - for (;;) { - wchar_t* system_message = &buf[0]; - int result = FormatMessageW( - FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS, nullptr, - error_code, MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), system_message, - static_cast(buf.size()), nullptr); - if (result != 0) { - utf16_to_utf8 utf8_message; - if (utf8_message.convert(system_message) == ERROR_SUCCESS) { - internal::writer w(out); - w.write(message); - w.write(": "); - w.write(utf8_message); - return; - } - break; - } - if (GetLastError() != ERROR_INSUFFICIENT_BUFFER) - break; // Can't get error message, report error code instead. - buf.resize(buf.size() * 2); - } - } - FMT_CATCH(...) {} - format_error_code(out, error_code, message); -} - -#endif // FMT_USE_WINDOWS_H - -FMT_FUNC void format_system_error(internal::buffer& out, int error_code, - string_view message) FMT_NOEXCEPT { - FMT_TRY { - memory_buffer buf; - buf.resize(inline_buffer_size); - for (;;) { - char* system_message = &buf[0]; - int result = - internal::safe_strerror(error_code, system_message, buf.size()); - if (result == 0) { - internal::writer w(out); - w.write(message); - w.write(": "); - w.write(system_message); +FMT_FUNC internal::utf8_to_utf16::utf8_to_utf16(string_view s) +{ + static const char ERROR_MSG[] = "cannot convert string from UTF-8 to UTF-16"; + if (s.size() > INT_MAX) + FMT_THROW(windows_error(ERROR_INVALID_PARAMETER, ERROR_MSG)); + int s_size = static_cast(s.size()); + if (s_size == 0) + { + // MultiByteToWideChar does not support zero length, handle separately. + buffer_.resize(1); + buffer_[0] = 0; return; - } - if (result != ERANGE) - break; // Can't get error message, report error code instead. - buf.resize(buf.size() * 2); } - } - FMT_CATCH(...) {} - format_error_code(out, error_code, message); + + int length = MultiByteToWideChar(CP_UTF8, MB_ERR_INVALID_CHARS, s.data(), s_size, nullptr, 0); + if (length == 0) + FMT_THROW(windows_error(GetLastError(), ERROR_MSG)); + buffer_.resize(length + 1); + length = MultiByteToWideChar(CP_UTF8, MB_ERR_INVALID_CHARS, s.data(), s_size, &buffer_[0], length); + if (length == 0) + FMT_THROW(windows_error(GetLastError(), ERROR_MSG)); + buffer_[length] = 0; } -FMT_FUNC void internal::error_handler::on_error(const char* message) { - FMT_THROW(format_error(message)); +FMT_FUNC internal::utf16_to_utf8::utf16_to_utf8(wstring_view s) +{ + if (int error_code = convert(s)) + { + FMT_THROW(windows_error(error_code, "cannot convert string from UTF-16 to UTF-8")); + } } -FMT_FUNC void report_system_error(int error_code, - fmt::string_view message) FMT_NOEXCEPT { - report_error(format_system_error, error_code, message); +FMT_FUNC int internal::utf16_to_utf8::convert(wstring_view s) +{ + if (s.size() > INT_MAX) + return ERROR_INVALID_PARAMETER; + int s_size = static_cast(s.size()); + if (s_size == 0) + { + // WideCharToMultiByte does not support zero length, handle separately. + buffer_.resize(1); + buffer_[0] = 0; + return 0; + } + + int length = WideCharToMultiByte(CP_UTF8, 0, s.data(), s_size, nullptr, 0, nullptr, nullptr); + if (length == 0) + return GetLastError(); + buffer_.resize(length + 1); + length = WideCharToMultiByte(CP_UTF8, 0, s.data(), s_size, &buffer_[0], length, nullptr, nullptr); + if (length == 0) + return GetLastError(); + buffer_[length] = 0; + return 0; +} + +FMT_FUNC void windows_error::init(int err_code, string_view format_str, format_args args) +{ + error_code_ = err_code; + memory_buffer buffer; + internal::format_windows_error(buffer, err_code, vformat(format_str, args)); + std::runtime_error &base = *this; + base = std::runtime_error(to_string(buffer)); +} + +FMT_FUNC void internal::format_windows_error(internal::buffer &out, int error_code, string_view message) FMT_NOEXCEPT +{ + FMT_TRY + { + wmemory_buffer buf; + buf.resize(inline_buffer_size); + for (;;) + { + wchar_t *system_message = &buf[0]; + int result = FormatMessageW(FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS, nullptr, error_code, + MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), system_message, static_cast(buf.size()), nullptr); + if (result != 0) + { + utf16_to_utf8 utf8_message; + if (utf8_message.convert(system_message) == ERROR_SUCCESS) + { + internal::writer w(out); + w.write(message); + w.write(": "); + w.write(utf8_message); + return; + } + break; + } + if (GetLastError() != ERROR_INSUFFICIENT_BUFFER) + break; // Can't get error message, report error code instead. + buf.resize(buf.size() * 2); + } + } + FMT_CATCH(...) {} + format_error_code(out, error_code, message); +} + +#endif // FMT_USE_WINDOWS_H + +FMT_FUNC void format_system_error(internal::buffer &out, int error_code, string_view message) FMT_NOEXCEPT +{ + FMT_TRY + { + memory_buffer buf; + buf.resize(inline_buffer_size); + for (;;) + { + char *system_message = &buf[0]; + int result = internal::safe_strerror(error_code, system_message, buf.size()); + if (result == 0) + { + internal::writer w(out); + w.write(message); + w.write(": "); + w.write(system_message); + return; + } + if (result != ERANGE) + break; // Can't get error message, report error code instead. + buf.resize(buf.size() * 2); + } + } + FMT_CATCH(...) {} + format_error_code(out, error_code, message); +} + +FMT_FUNC void internal::error_handler::on_error(const char *message) +{ + FMT_THROW(format_error(message)); +} + +FMT_FUNC void report_system_error(int error_code, fmt::string_view message) FMT_NOEXCEPT +{ + report_error(format_system_error, error_code, message); } #if FMT_USE_WINDOWS_H -FMT_FUNC void report_windows_error(int error_code, - fmt::string_view message) FMT_NOEXCEPT { - report_error(internal::format_windows_error, error_code, message); +FMT_FUNC void report_windows_error(int error_code, fmt::string_view message) FMT_NOEXCEPT +{ + report_error(internal::format_windows_error, error_code, message); } #endif -FMT_FUNC void vprint(std::FILE* f, string_view format_str, format_args args) { - memory_buffer buffer; - internal::vformat_to(buffer, format_str, - basic_format_args>(args)); - internal::fwrite_fully(buffer.data(), 1, buffer.size(), f); +FMT_FUNC void vprint(std::FILE *f, string_view format_str, format_args args) +{ + memory_buffer buffer; + internal::vformat_to(buffer, format_str, basic_format_args>(args)); + internal::fwrite_fully(buffer.data(), 1, buffer.size(), f); } -FMT_FUNC void vprint(string_view format_str, format_args args) { - vprint(stdout, format_str, args); +FMT_FUNC void vprint(string_view format_str, format_args args) +{ + vprint(stdout, format_str, args); } FMT_END_NAMESPACE #ifdef _MSC_VER -# pragma warning(pop) +#pragma warning(pop) #endif -#endif // FMT_FORMAT_INL_H_ +#endif // FMT_FORMAT_INL_H_ diff --git a/third_party/spdlog/include/spdlog/fmt/bundled/format.h b/third_party/spdlog/include/spdlog/fmt/bundled/format.h index 01f41f5c..9b56fa36 100644 --- a/third_party/spdlog/include/spdlog/fmt/bundled/format.h +++ b/third_party/spdlog/include/spdlog/fmt/bundled/format.h @@ -44,160 +44,161 @@ #include #ifdef __clang__ -# define FMT_CLANG_VERSION (__clang_major__ * 100 + __clang_minor__) +#define FMT_CLANG_VERSION (__clang_major__ * 100 + __clang_minor__) #else -# define FMT_CLANG_VERSION 0 +#define FMT_CLANG_VERSION 0 #endif #ifdef __INTEL_COMPILER -# define FMT_ICC_VERSION __INTEL_COMPILER +#define FMT_ICC_VERSION __INTEL_COMPILER #elif defined(__ICL) -# define FMT_ICC_VERSION __ICL +#define FMT_ICC_VERSION __ICL #else -# define FMT_ICC_VERSION 0 +#define FMT_ICC_VERSION 0 #endif #ifdef __NVCC__ -# define FMT_CUDA_VERSION (__CUDACC_VER_MAJOR__ * 100 + __CUDACC_VER_MINOR__) +#define FMT_CUDA_VERSION (__CUDACC_VER_MAJOR__ * 100 + __CUDACC_VER_MINOR__) #else -# define FMT_CUDA_VERSION 0 +#define FMT_CUDA_VERSION 0 #endif #ifdef __has_builtin -# define FMT_HAS_BUILTIN(x) __has_builtin(x) +#define FMT_HAS_BUILTIN(x) __has_builtin(x) #else -# define FMT_HAS_BUILTIN(x) 0 +#define FMT_HAS_BUILTIN(x) 0 #endif -#if FMT_HAS_CPP_ATTRIBUTE(fallthrough) && \ - (__cplusplus >= 201703 || FMT_GCC_VERSION != 0) -# define FMT_FALLTHROUGH [[fallthrough]] +#if FMT_HAS_CPP_ATTRIBUTE(fallthrough) && (__cplusplus >= 201703 || FMT_GCC_VERSION != 0) +#define FMT_FALLTHROUGH [[fallthrough]] #else -# define FMT_FALLTHROUGH +#define FMT_FALLTHROUGH #endif #ifndef FMT_THROW -# if FMT_EXCEPTIONS -# if FMT_MSC_VER +#if FMT_EXCEPTIONS +#if FMT_MSC_VER FMT_BEGIN_NAMESPACE namespace internal { -template inline void do_throw(const Exception& x) { - // Silence unreachable code warnings in MSVC because these are nearly - // impossible to fix in a generic code. - volatile bool b = true; - if (b) throw x; +template +inline void do_throw(const Exception &x) +{ + // Silence unreachable code warnings in MSVC because these are nearly + // impossible to fix in a generic code. + volatile bool b = true; + if (b) + throw x; } -} // namespace internal +} // namespace internal FMT_END_NAMESPACE -# define FMT_THROW(x) internal::do_throw(x) -# else -# define FMT_THROW(x) throw x -# endif -# else -# define FMT_THROW(x) \ - do { \ - static_cast(sizeof(x)); \ - FMT_ASSERT(false, ""); \ - } while (false) -# endif +#define FMT_THROW(x) internal::do_throw(x) +#else +#define FMT_THROW(x) throw x +#endif +#else +#define FMT_THROW(x) \ + do \ + { \ + static_cast(sizeof(x)); \ + FMT_ASSERT(false, ""); \ + } while (false) +#endif #endif #ifndef FMT_USE_USER_DEFINED_LITERALS // For Intel and NVIDIA compilers both they and the system gcc/msc support UDLs. -# if (FMT_HAS_FEATURE(cxx_user_literals) || FMT_GCC_VERSION >= 407 || \ - FMT_MSC_VER >= 1900) && \ - (!(FMT_ICC_VERSION || FMT_CUDA_VERSION) || FMT_ICC_VERSION >= 1500 || \ - FMT_CUDA_VERSION >= 700) -# define FMT_USE_USER_DEFINED_LITERALS 1 -# else -# define FMT_USE_USER_DEFINED_LITERALS 0 -# endif +#if (FMT_HAS_FEATURE(cxx_user_literals) || FMT_GCC_VERSION >= 407 || FMT_MSC_VER >= 1900) && \ + (!(FMT_ICC_VERSION || FMT_CUDA_VERSION) || FMT_ICC_VERSION >= 1500 || FMT_CUDA_VERSION >= 700) +#define FMT_USE_USER_DEFINED_LITERALS 1 +#else +#define FMT_USE_USER_DEFINED_LITERALS 0 +#endif #endif #ifndef FMT_USE_UDL_TEMPLATE // EDG front end based compilers (icc, nvcc) do not support UDL templates yet // and GCC 9 warns about them. -# if FMT_USE_USER_DEFINED_LITERALS && FMT_ICC_VERSION == 0 && \ - FMT_CUDA_VERSION == 0 && \ - ((FMT_GCC_VERSION >= 600 && FMT_GCC_VERSION <= 900 && \ - __cplusplus >= 201402L) || \ - FMT_CLANG_VERSION >= 304) -# define FMT_USE_UDL_TEMPLATE 1 -# else -# define FMT_USE_UDL_TEMPLATE 0 -# endif +#if FMT_USE_USER_DEFINED_LITERALS && FMT_ICC_VERSION == 0 && FMT_CUDA_VERSION == 0 && \ + ((FMT_GCC_VERSION >= 600 && FMT_GCC_VERSION <= 900 && __cplusplus >= 201402L) || FMT_CLANG_VERSION >= 304) +#define FMT_USE_UDL_TEMPLATE 1 +#else +#define FMT_USE_UDL_TEMPLATE 0 +#endif #endif // __builtin_clz is broken in clang with Microsoft CodeGen: // https://github.com/fmtlib/fmt/issues/519 #if (FMT_GCC_VERSION || FMT_HAS_BUILTIN(__builtin_clz)) && !FMT_MSC_VER -# define FMT_BUILTIN_CLZ(n) __builtin_clz(n) +#define FMT_BUILTIN_CLZ(n) __builtin_clz(n) #endif #if (FMT_GCC_VERSION || FMT_HAS_BUILTIN(__builtin_clzll)) && !FMT_MSC_VER -# define FMT_BUILTIN_CLZLL(n) __builtin_clzll(n) +#define FMT_BUILTIN_CLZLL(n) __builtin_clzll(n) #endif // Some compilers masquerade as both MSVC and GCC-likes or otherwise support // __builtin_clz and __builtin_clzll, so only define FMT_BUILTIN_CLZ using the // MSVC intrinsics if the clz and clzll builtins are not available. #if FMT_MSC_VER && !defined(FMT_BUILTIN_CLZLL) && !defined(_MANAGED) -# include // _BitScanReverse, _BitScanReverse64 +#include // _BitScanReverse, _BitScanReverse64 FMT_BEGIN_NAMESPACE namespace internal { // Avoid Clang with Microsoft CodeGen's -Wunknown-pragmas warning. -# ifndef __clang__ -# pragma intrinsic(_BitScanReverse) -# endif -inline uint32_t clz(uint32_t x) { - unsigned long r = 0; - _BitScanReverse(&r, x); +#ifndef __clang__ +#pragma intrinsic(_BitScanReverse) +#endif +inline uint32_t clz(uint32_t x) +{ + 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. -# pragma warning(suppress : 6102) - return 31 - r; + 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. +#pragma warning(suppress : 6102) + return 31 - r; } -# define FMT_BUILTIN_CLZ(n) internal::clz(n) +#define FMT_BUILTIN_CLZ(n) internal::clz(n) -# if defined(_WIN64) && !defined(__clang__) -# pragma intrinsic(_BitScanReverse64) -# endif +#if defined(_WIN64) && !defined(__clang__) +#pragma intrinsic(_BitScanReverse64) +#endif -inline uint32_t clzll(uint64_t x) { - unsigned long r = 0; -# ifdef _WIN64 - _BitScanReverse64(&r, x); -# else - // Scan the high 32 bits. - if (_BitScanReverse(&r, static_cast(x >> 32))) return 63 - (r + 32); +inline uint32_t clzll(uint64_t x) +{ + unsigned long r = 0; +#ifdef _WIN64 + _BitScanReverse64(&r, x); +#else + // Scan the high 32 bits. + if (_BitScanReverse(&r, static_cast(x >> 32))) + return 63 - (r + 32); - // Scan the low 32 bits. - _BitScanReverse(&r, static_cast(x)); -# endif + // Scan the low 32 bits. + _BitScanReverse(&r, static_cast(x)); +#endif - 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. -# pragma warning(suppress : 6102) - return 63 - r; + 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. +#pragma warning(suppress : 6102) + return 63 - r; } -# define FMT_BUILTIN_CLZLL(n) internal::clzll(n) -} // namespace internal +#define FMT_BUILTIN_CLZLL(n) internal::clzll(n) +} // namespace internal FMT_END_NAMESPACE #endif // Enable the deprecated numeric alignment. #ifndef FMT_NUMERIC_ALIGN -# define FMT_NUMERIC_ALIGN 1 +#define FMT_NUMERIC_ALIGN 1 #endif // Enable the deprecated percent specifier. #ifndef FMT_DEPRECATED_PERCENT -# define FMT_DEPRECATED_PERCENT 0 +#define FMT_DEPRECATED_PERCENT 0 #endif FMT_BEGIN_NAMESPACE @@ -205,365 +206,469 @@ namespace internal { // A helper function to suppress bogus "conditional expression is constant" // warnings. -template inline T const_check(T value) { return value; } +template +inline T const_check(T value) +{ + return value; +} // An equivalent of `*reinterpret_cast(&source)` that doesn't have // undefined behavior (e.g. due to type aliasing). // Example: uint64_t d = bit_cast(2.718); -template -inline Dest bit_cast(const Source& source) { - static_assert(sizeof(Dest) == sizeof(Source), "size mismatch"); - Dest dest; - std::memcpy(&dest, &source, sizeof(dest)); - return dest; +template +inline Dest bit_cast(const Source &source) +{ + static_assert(sizeof(Dest) == sizeof(Source), "size mismatch"); + Dest dest; + std::memcpy(&dest, &source, sizeof(dest)); + return dest; } -inline bool is_big_endian() { - auto u = 1u; - struct bytes { - char data[sizeof(u)]; - }; - return bit_cast(u).data[0] == 0; +inline bool is_big_endian() +{ + auto u = 1u; + struct bytes + { + char data[sizeof(u)]; + }; + return bit_cast(u).data[0] == 0; } // A fallback implementation of uintptr_t for systems that lack it. -struct fallback_uintptr { - unsigned char value[sizeof(void*)]; +struct fallback_uintptr +{ + unsigned char value[sizeof(void *)]; - fallback_uintptr() = default; - explicit fallback_uintptr(const void* p) { - *this = bit_cast(p); - if (is_big_endian()) { - for (size_t i = 0, j = sizeof(void*) - 1; i < j; ++i, --j) - std::swap(value[i], value[j]); + fallback_uintptr() = default; + explicit fallback_uintptr(const void *p) + { + *this = bit_cast(p); + if (is_big_endian()) + { + for (size_t i = 0, j = sizeof(void *) - 1; i < j; ++i, --j) + std::swap(value[i], value[j]); + } } - } }; #ifdef UINTPTR_MAX using uintptr_t = ::uintptr_t; -inline uintptr_t to_uintptr(const void* p) { return bit_cast(p); } +inline uintptr_t to_uintptr(const void *p) +{ + return bit_cast(p); +} #else using uintptr_t = fallback_uintptr; -inline fallback_uintptr to_uintptr(const void* p) { - return fallback_uintptr(p); +inline fallback_uintptr to_uintptr(const void *p) +{ + return fallback_uintptr(p); } #endif // Returns the largest possible value for type T. Same as // std::numeric_limits::max() but shorter and not affected by the max macro. -template constexpr T max_value() { - return (std::numeric_limits::max)(); +template +constexpr T max_value() +{ + return (std::numeric_limits::max)(); } -template constexpr int num_bits() { - return std::numeric_limits::digits; +template +constexpr int num_bits() +{ + return std::numeric_limits::digits; } -template <> constexpr int num_bits() { - return static_cast(sizeof(void*) * - std::numeric_limits::digits); +template<> +constexpr int num_bits() +{ + return static_cast(sizeof(void *) * std::numeric_limits::digits); } // An approximation of iterator_t for pre-C++20 systems. -template -using iterator_t = decltype(std::begin(std::declval())); +template +using iterator_t = decltype(std::begin(std::declval())); // Detect the iterator category of *any* given type in a SFINAE-friendly way. // Unfortunately, older implementations of std::iterator_traits are not safe // for use in a SFINAE-context. -template -struct iterator_category : std::false_type {}; +template +struct iterator_category : std::false_type +{}; -template struct iterator_category { - using type = std::random_access_iterator_tag; +template +struct iterator_category +{ + using type = std::random_access_iterator_tag; }; -template -struct iterator_category> { - using type = typename It::iterator_category; +template +struct iterator_category> +{ + using type = typename It::iterator_category; }; // Detect if *any* given type models the OutputIterator concept. -template class is_output_iterator { - // Check for mutability because all iterator categories derived from - // std::input_iterator_tag *may* also meet the requirements of an - // OutputIterator, thereby falling into the category of 'mutable iterators' - // [iterator.requirements.general] clause 4. The compiler reveals this - // property only at the point of *actually dereferencing* the iterator! - template - static decltype(*(std::declval())) test(std::input_iterator_tag); - template static char& test(std::output_iterator_tag); - template static const char& test(...); +template +class is_output_iterator +{ + // Check for mutability because all iterator categories derived from + // std::input_iterator_tag *may* also meet the requirements of an + // OutputIterator, thereby falling into the category of 'mutable iterators' + // [iterator.requirements.general] clause 4. The compiler reveals this + // property only at the point of *actually dereferencing* the iterator! + template + static decltype(*(std::declval())) test(std::input_iterator_tag); + template + static char &test(std::output_iterator_tag); + template + static const char &test(...); - using type = decltype(test(typename iterator_category::type{})); + using type = decltype(test(typename iterator_category::type{})); - public: - static const bool value = !std::is_const>::value; +public: + static const bool value = !std::is_const>::value; }; // A workaround for std::string not having mutable data() until C++17. -template inline Char* get_data(std::basic_string& s) { - return &s[0]; +template +inline Char *get_data(std::basic_string &s) +{ + return &s[0]; } -template -inline typename Container::value_type* get_data(Container& c) { - return c.data(); +template +inline typename Container::value_type *get_data(Container &c) +{ + return c.data(); } #ifdef _SECURE_SCL // Make a checked iterator to avoid MSVC warnings. -template using checked_ptr = stdext::checked_array_iterator; -template checked_ptr make_checked(T* p, std::size_t size) { - return {p, size}; +template +using checked_ptr = stdext::checked_array_iterator; +template +checked_ptr make_checked(T *p, std::size_t size) +{ + return {p, size}; } #else -template using checked_ptr = T*; -template inline T* make_checked(T* p, std::size_t) { return p; } +template +using checked_ptr = T *; +template +inline T *make_checked(T *p, std::size_t) +{ + return p; +} #endif -template ::value)> -inline checked_ptr reserve( - std::back_insert_iterator& it, std::size_t n) { - Container& c = get_container(it); - std::size_t size = c.size(); - c.resize(size + n); - return make_checked(get_data(c) + size, n); +template::value)> +inline checked_ptr reserve(std::back_insert_iterator &it, std::size_t n) +{ + Container &c = get_container(it); + std::size_t size = c.size(); + c.resize(size + n); + return make_checked(get_data(c) + size, n); } -template -inline Iterator& reserve(Iterator& it, std::size_t) { - return it; +template +inline Iterator &reserve(Iterator &it, std::size_t) +{ + return it; } // An output iterator that counts the number of objects written to it and // discards them. -class counting_iterator { - private: - std::size_t count_; +class counting_iterator +{ +private: + std::size_t count_; - public: - using iterator_category = std::output_iterator_tag; - using difference_type = std::ptrdiff_t; - using pointer = void; - using reference = void; - using _Unchecked_type = counting_iterator; // Mark iterator as checked. +public: + using iterator_category = std::output_iterator_tag; + using difference_type = std::ptrdiff_t; + using pointer = void; + using reference = void; + using _Unchecked_type = counting_iterator; // Mark iterator as checked. - struct value_type { - template void operator=(const T&) {} - }; + struct value_type + { + template + void operator=(const T &) + {} + }; - counting_iterator() : count_(0) {} + counting_iterator() + : count_(0) + {} - std::size_t count() const { return count_; } + std::size_t count() const + { + return count_; + } - counting_iterator& operator++() { - ++count_; - return *this; - } + counting_iterator &operator++() + { + ++count_; + return *this; + } - counting_iterator operator++(int) { - auto it = *this; - ++*this; - return it; - } + counting_iterator operator++(int) + { + auto it = *this; + ++*this; + return it; + } - value_type operator*() const { return {}; } + value_type operator*() const + { + return {}; + } }; -template class truncating_iterator_base { - protected: - OutputIt out_; - std::size_t limit_; - std::size_t count_; +template +class truncating_iterator_base +{ +protected: + OutputIt out_; + std::size_t limit_; + std::size_t count_; - truncating_iterator_base(OutputIt out, std::size_t limit) - : out_(out), limit_(limit), count_(0) {} + truncating_iterator_base(OutputIt out, std::size_t limit) + : out_(out) + , limit_(limit) + , count_(0) + {} - public: - using iterator_category = std::output_iterator_tag; - using difference_type = void; - using pointer = void; - using reference = void; - using _Unchecked_type = - truncating_iterator_base; // Mark iterator as checked. +public: + using iterator_category = std::output_iterator_tag; + using difference_type = void; + using pointer = void; + using reference = void; + using _Unchecked_type = truncating_iterator_base; // Mark iterator as checked. - OutputIt base() const { return out_; } - std::size_t count() const { return count_; } + OutputIt base() const + { + return out_; + } + std::size_t count() const + { + return count_; + } }; // An output iterator that truncates the output and counts the number of objects // written to it. -template ::value_type>::type> +template::value_type>::type> class truncating_iterator; -template -class truncating_iterator - : public truncating_iterator_base { - using traits = std::iterator_traits; +template +class truncating_iterator : public truncating_iterator_base +{ + using traits = std::iterator_traits; - mutable typename traits::value_type blackhole_; + mutable typename traits::value_type blackhole_; - public: - using value_type = typename traits::value_type; +public: + using value_type = typename traits::value_type; - truncating_iterator(OutputIt out, std::size_t limit) - : truncating_iterator_base(out, limit) {} + truncating_iterator(OutputIt out, std::size_t limit) + : truncating_iterator_base(out, limit) + {} - truncating_iterator& operator++() { - if (this->count_++ < this->limit_) ++this->out_; - return *this; - } + truncating_iterator &operator++() + { + if (this->count_++ < this->limit_) + ++this->out_; + return *this; + } - truncating_iterator operator++(int) { - auto it = *this; - ++*this; - return it; - } + truncating_iterator operator++(int) + { + auto it = *this; + ++*this; + return it; + } - value_type& operator*() const { - return this->count_ < this->limit_ ? *this->out_ : blackhole_; - } + value_type &operator*() const + { + return this->count_ < this->limit_ ? *this->out_ : blackhole_; + } }; -template -class truncating_iterator - : public truncating_iterator_base { - public: - using value_type = typename OutputIt::container_type::value_type; +template +class truncating_iterator : public truncating_iterator_base +{ +public: + using value_type = typename OutputIt::container_type::value_type; - truncating_iterator(OutputIt out, std::size_t limit) - : truncating_iterator_base(out, limit) {} + truncating_iterator(OutputIt out, std::size_t limit) + : truncating_iterator_base(out, limit) + {} - truncating_iterator& operator=(value_type val) { - if (this->count_++ < this->limit_) this->out_ = val; - return *this; - } + truncating_iterator &operator=(value_type val) + { + if (this->count_++ < this->limit_) + this->out_ = val; + return *this; + } - truncating_iterator& operator++() { return *this; } - truncating_iterator& operator++(int) { return *this; } - truncating_iterator& operator*() { return *this; } + truncating_iterator &operator++() + { + return *this; + } + truncating_iterator &operator++(int) + { + return *this; + } + truncating_iterator &operator*() + { + return *this; + } }; // A range with the specified output iterator and value type. -template -class output_range { - private: - OutputIt it_; +template +class output_range +{ +private: + OutputIt it_; - public: - using value_type = T; - using iterator = OutputIt; - struct sentinel {}; +public: + using value_type = T; + using iterator = OutputIt; + struct sentinel + {}; - explicit output_range(OutputIt it) : it_(it) {} - OutputIt begin() const { return it_; } - sentinel end() const { return {}; } // Sentinel is not used yet. + explicit output_range(OutputIt it) + : it_(it) + {} + OutputIt begin() const + { + return it_; + } + sentinel end() const + { + return {}; + } // Sentinel is not used yet. }; -template -inline size_t count_code_points(basic_string_view s) { - return s.size(); +template +inline size_t count_code_points(basic_string_view s) +{ + return s.size(); } // Counts the number of code points in a UTF-8 string. -inline size_t count_code_points(basic_string_view s) { - const char8_t* data = s.data(); - size_t num_code_points = 0; - for (size_t i = 0, size = s.size(); i != size; ++i) { - if ((data[i] & 0xc0) != 0x80) ++num_code_points; - } - return num_code_points; +inline size_t count_code_points(basic_string_view s) +{ + const char8_t *data = s.data(); + size_t num_code_points = 0; + for (size_t i = 0, size = s.size(); i != size; ++i) + { + if ((data[i] & 0xc0) != 0x80) + ++num_code_points; + } + return num_code_points; } -template -inline size_t code_point_index(basic_string_view s, size_t n) { - size_t size = s.size(); - return n < size ? n : size; +template +inline size_t code_point_index(basic_string_view s, size_t n) +{ + size_t size = s.size(); + return n < size ? n : size; } // Calculates the index of the nth code point in a UTF-8 string. -inline size_t code_point_index(basic_string_view s, size_t n) { - const char8_t* data = s.data(); - size_t num_code_points = 0; - for (size_t i = 0, size = s.size(); i != size; ++i) { - if ((data[i] & 0xc0) != 0x80 && ++num_code_points > n) { - return i; +inline size_t code_point_index(basic_string_view s, size_t n) +{ + const char8_t *data = s.data(); + size_t num_code_points = 0; + for (size_t i = 0, size = s.size(); i != size; ++i) + { + if ((data[i] & 0xc0) != 0x80 && ++num_code_points > n) + { + return i; + } } - } - return s.size(); + return s.size(); } -inline char8_t to_char8_t(char c) { return static_cast(c); } - -template -using needs_conversion = bool_constant< - std::is_same::value_type, - char>::value && - std::is_same::value>; - -template ::value)> -OutputIt copy_str(InputIt begin, InputIt end, OutputIt it) { - return std::copy(begin, end, it); +inline char8_t to_char8_t(char c) +{ + return static_cast(c); } -template ::value)> -OutputIt copy_str(InputIt begin, InputIt end, OutputIt it) { - return std::transform(begin, end, it, to_char8_t); +template +using needs_conversion = + bool_constant::value_type, char>::value && std::is_same::value>; + +template::value)> +OutputIt copy_str(InputIt begin, InputIt end, OutputIt it) +{ + return std::copy(begin, end, it); +} + +template::value)> +OutputIt copy_str(InputIt begin, InputIt end, OutputIt it) +{ + return std::transform(begin, end, it, to_char8_t); } #ifndef FMT_USE_GRISU -# define FMT_USE_GRISU 1 +#define FMT_USE_GRISU 1 #endif -template constexpr bool use_grisu() { - return FMT_USE_GRISU && std::numeric_limits::is_iec559 && - sizeof(T) <= sizeof(double); +template +constexpr bool use_grisu() +{ + return FMT_USE_GRISU && std::numeric_limits::is_iec559 && sizeof(T) <= sizeof(double); } -template -template -void buffer::append(const U* begin, const U* end) { - std::size_t new_size = size_ + to_unsigned(end - begin); - reserve(new_size); - std::uninitialized_copy(begin, end, make_checked(ptr_, capacity_) + size_); - size_ = new_size; +template +template +void buffer::append(const U *begin, const U *end) +{ + std::size_t new_size = size_ + to_unsigned(end - begin); + reserve(new_size); + std::uninitialized_copy(begin, end, make_checked(ptr_, capacity_) + size_); + size_ = new_size; } -} // namespace internal +} // namespace internal // A range with an iterator appending to a buffer. -template -class buffer_range : public internal::output_range< - std::back_insert_iterator>, T> { - public: - using iterator = std::back_insert_iterator>; - using internal::output_range::output_range; - buffer_range(internal::buffer& buf) - : internal::output_range(std::back_inserter(buf)) {} +template +class buffer_range : public internal::output_range>, T> +{ +public: + using iterator = std::back_insert_iterator>; + using internal::output_range::output_range; + buffer_range(internal::buffer &buf) + : internal::output_range(std::back_inserter(buf)) + {} }; // A UTF-8 string view. -class u8string_view : public basic_string_view { - public: - u8string_view(const char* s) - : basic_string_view(reinterpret_cast(s)) {} - u8string_view(const char* s, size_t count) FMT_NOEXCEPT - : basic_string_view(reinterpret_cast(s), count) { - } +class u8string_view : public basic_string_view +{ +public: + u8string_view(const char *s) + : basic_string_view(reinterpret_cast(s)) + {} + u8string_view(const char *s, size_t count) FMT_NOEXCEPT : basic_string_view(reinterpret_cast(s), count) {} }; #if FMT_USE_USER_DEFINED_LITERALS inline namespace literals { -inline u8string_view operator"" _u(const char* s, std::size_t n) { - return {s, n}; +inline u8string_view operator"" _u(const char *s, std::size_t n) +{ + return {s, n}; } -} // namespace literals +} // namespace literals #endif // The number of characters to store in the basic_memory_buffer object itself // to avoid dynamic memory allocation. -enum { inline_buffer_size = 500 }; +enum +{ + inline_buffer_size = 500 +}; /** \rst @@ -594,347 +699,427 @@ enum { inline_buffer_size = 500 }; The output can be converted to an ``std::string`` with ``to_string(out)``. \endrst */ -template > -class basic_memory_buffer : private Allocator, public internal::buffer { - private: - T store_[SIZE]; +template> +class basic_memory_buffer : private Allocator, public internal::buffer +{ +private: + T store_[SIZE]; - // Deallocate memory allocated by the buffer. - void deallocate() { - T* data = this->data(); - if (data != store_) Allocator::deallocate(data, this->capacity()); - } - - protected: - void grow(std::size_t size) FMT_OVERRIDE; - - public: - using value_type = T; - using const_reference = const T&; - - explicit basic_memory_buffer(const Allocator& alloc = Allocator()) - : Allocator(alloc) { - this->set(store_, SIZE); - } - ~basic_memory_buffer() FMT_OVERRIDE { deallocate(); } - - private: - // Move data from other to this buffer. - void move(basic_memory_buffer& other) { - Allocator &this_alloc = *this, &other_alloc = other; - this_alloc = std::move(other_alloc); - T* data = other.data(); - std::size_t size = other.size(), capacity = other.capacity(); - if (data == other.store_) { - this->set(store_, capacity); - std::uninitialized_copy(other.store_, other.store_ + size, - internal::make_checked(store_, capacity)); - } else { - this->set(data, capacity); - // Set pointer to the inline array so that delete is not called - // when deallocating. - other.set(other.store_, 0); + // Deallocate memory allocated by the buffer. + void deallocate() + { + T *data = this->data(); + if (data != store_) + Allocator::deallocate(data, this->capacity()); } - this->resize(size); - } - public: - /** - \rst - Constructs a :class:`fmt::basic_memory_buffer` object moving the content - of the other object to it. - \endrst - */ - basic_memory_buffer(basic_memory_buffer&& other) FMT_NOEXCEPT { move(other); } +protected: + void grow(std::size_t size) FMT_OVERRIDE; - /** - \rst - Moves the content of the other ``basic_memory_buffer`` object to this one. - \endrst - */ - basic_memory_buffer& operator=(basic_memory_buffer&& other) FMT_NOEXCEPT { - FMT_ASSERT(this != &other, ""); - deallocate(); - move(other); - return *this; - } +public: + using value_type = T; + using const_reference = const T &; - // Returns a copy of the allocator associated with this buffer. - Allocator get_allocator() const { return *this; } + explicit basic_memory_buffer(const Allocator &alloc = Allocator()) + : Allocator(alloc) + { + this->set(store_, SIZE); + } + ~basic_memory_buffer() FMT_OVERRIDE + { + deallocate(); + } + +private: + // Move data from other to this buffer. + void move(basic_memory_buffer &other) + { + Allocator &this_alloc = *this, &other_alloc = other; + this_alloc = std::move(other_alloc); + T *data = other.data(); + std::size_t size = other.size(), capacity = other.capacity(); + if (data == other.store_) + { + this->set(store_, capacity); + std::uninitialized_copy(other.store_, other.store_ + size, internal::make_checked(store_, capacity)); + } + else + { + this->set(data, capacity); + // Set pointer to the inline array so that delete is not called + // when deallocating. + other.set(other.store_, 0); + } + this->resize(size); + } + +public: + /** + \rst + Constructs a :class:`fmt::basic_memory_buffer` object moving the content + of the other object to it. + \endrst + */ + basic_memory_buffer(basic_memory_buffer &&other) FMT_NOEXCEPT + { + move(other); + } + + /** + \rst + Moves the content of the other ``basic_memory_buffer`` object to this one. + \endrst + */ + basic_memory_buffer &operator=(basic_memory_buffer &&other) FMT_NOEXCEPT + { + FMT_ASSERT(this != &other, ""); + deallocate(); + move(other); + return *this; + } + + // Returns a copy of the allocator associated with this buffer. + Allocator get_allocator() const + { + return *this; + } }; -template -void basic_memory_buffer::grow(std::size_t size) { +template +void basic_memory_buffer::grow(std::size_t size) +{ #ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION - if (size > 1000) throw std::runtime_error("fuzz mode - won't grow that much"); + if (size > 1000) + throw std::runtime_error("fuzz mode - won't grow that much"); #endif - std::size_t old_capacity = this->capacity(); - std::size_t new_capacity = old_capacity + old_capacity / 2; - if (size > new_capacity) new_capacity = size; - T* old_data = this->data(); - T* new_data = std::allocator_traits::allocate(*this, new_capacity); - // The following code doesn't throw, so the raw pointer above doesn't leak. - std::uninitialized_copy(old_data, old_data + this->size(), - internal::make_checked(new_data, new_capacity)); - this->set(new_data, new_capacity); - // deallocate must not throw according to the standard, but even if it does, - // the buffer already uses the new storage and will deallocate it in - // destructor. - if (old_data != store_) Allocator::deallocate(old_data, old_capacity); + std::size_t old_capacity = this->capacity(); + std::size_t new_capacity = old_capacity + old_capacity / 2; + if (size > new_capacity) + new_capacity = size; + T *old_data = this->data(); + T *new_data = std::allocator_traits::allocate(*this, new_capacity); + // The following code doesn't throw, so the raw pointer above doesn't leak. + std::uninitialized_copy(old_data, old_data + this->size(), internal::make_checked(new_data, new_capacity)); + this->set(new_data, new_capacity); + // deallocate must not throw according to the standard, but even if it does, + // the buffer already uses the new storage and will deallocate it in + // destructor. + if (old_data != store_) + Allocator::deallocate(old_data, old_capacity); } using memory_buffer = basic_memory_buffer; using wmemory_buffer = basic_memory_buffer; /** A formatting error such as invalid format string. */ -class FMT_API format_error : public std::runtime_error { - public: - explicit format_error(const char* message) : std::runtime_error(message) {} - explicit format_error(const std::string& message) - : std::runtime_error(message) {} - format_error(const format_error&) = default; - format_error& operator=(const format_error&) = default; - format_error(format_error&&) = default; - format_error& operator=(format_error&&) = default; - ~format_error() FMT_NOEXCEPT FMT_OVERRIDE; +class FMT_API format_error : public std::runtime_error +{ +public: + explicit format_error(const char *message) + : std::runtime_error(message) + {} + explicit format_error(const std::string &message) + : std::runtime_error(message) + {} + format_error(const format_error &) = default; + format_error &operator=(const format_error &) = default; + format_error(format_error &&) = default; + format_error &operator=(format_error &&) = default; + ~format_error() FMT_NOEXCEPT FMT_OVERRIDE; }; namespace internal { // Returns true if value is negative, false otherwise. // Same as `value < 0` but doesn't produce warnings if T is an unsigned type. -template ::is_signed)> -FMT_CONSTEXPR bool is_negative(T value) { - return value < 0; +template::is_signed)> +FMT_CONSTEXPR bool is_negative(T value) +{ + return value < 0; } -template ::is_signed)> -FMT_CONSTEXPR bool is_negative(T) { - return false; +template::is_signed)> +FMT_CONSTEXPR bool is_negative(T) +{ + return false; } // Smallest of uint32_t, uint64_t, uint128_t that is large enough to // represent all values of T. -template -using uint32_or_64_or_128_t = conditional_t< - std::numeric_limits::digits <= 32, uint32_t, - conditional_t::digits <= 64, uint64_t, uint128_t>>; +template +using uint32_or_64_or_128_t = + conditional_t::digits <= 32, uint32_t, conditional_t::digits <= 64, uint64_t, uint128_t>>; // Static data is placed in this class template for the header-only config. -template struct FMT_EXTERN_TEMPLATE_API basic_data { - static const uint64_t powers_of_10_64[]; - static const uint32_t zero_or_powers_of_10_32[]; - static const uint64_t zero_or_powers_of_10_64[]; - static const uint64_t pow10_significands[]; - static const int16_t pow10_exponents[]; - static const char digits[]; - static const char hex_digits[]; - static const char foreground_color[]; - static const char background_color[]; - static const char reset_color[5]; - static const wchar_t wreset_color[5]; - static const char signs[]; +template +struct FMT_EXTERN_TEMPLATE_API basic_data +{ + static const uint64_t powers_of_10_64[]; + static const uint32_t zero_or_powers_of_10_32[]; + static const uint64_t zero_or_powers_of_10_64[]; + static const uint64_t pow10_significands[]; + static const int16_t pow10_exponents[]; + static const char digits[]; + static const char hex_digits[]; + static const char foreground_color[]; + static const char background_color[]; + static const char reset_color[5]; + static const wchar_t wreset_color[5]; + static const char signs[]; }; FMT_EXTERN template struct basic_data; // This is a struct rather than an alias to avoid shadowing warnings in gcc. -struct data : basic_data<> {}; +struct data : basic_data<> +{}; #ifdef FMT_BUILTIN_CLZLL // Returns the number of decimal digits in n. Leading zeros are not counted // except for n == 0 in which case count_digits returns 1. -inline int count_digits(uint64_t n) { - // Based on http://graphics.stanford.edu/~seander/bithacks.html#IntegerLog10 - // and the benchmark https://github.com/localvoid/cxx-benchmark-count-digits. - int t = (64 - FMT_BUILTIN_CLZLL(n | 1)) * 1233 >> 12; - return t - (n < data::zero_or_powers_of_10_64[t]) + 1; +inline int count_digits(uint64_t n) +{ + // Based on http://graphics.stanford.edu/~seander/bithacks.html#IntegerLog10 + // and the benchmark https://github.com/localvoid/cxx-benchmark-count-digits. + int t = (64 - FMT_BUILTIN_CLZLL(n | 1)) * 1233 >> 12; + return t - (n < data::zero_or_powers_of_10_64[t]) + 1; } #else // Fallback version of count_digits used when __builtin_clz is not available. -inline int count_digits(uint64_t n) { - int count = 1; - for (;;) { - // Integer division is slow so do it for a group of four digits instead - // of for every digit. The idea comes from the talk by Alexandrescu - // "Three Optimization Tips for C++". See speed-test for a comparison. - if (n < 10) return count; - if (n < 100) return count + 1; - if (n < 1000) return count + 2; - if (n < 10000) return count + 3; - n /= 10000u; - count += 4; - } +inline int count_digits(uint64_t n) +{ + int count = 1; + for (;;) + { + // Integer division is slow so do it for a group of four digits instead + // of for every digit. The idea comes from the talk by Alexandrescu + // "Three Optimization Tips for C++". See speed-test for a comparison. + if (n < 10) + return count; + if (n < 100) + return count + 1; + if (n < 1000) + return count + 2; + if (n < 10000) + return count + 3; + n /= 10000u; + count += 4; + } } #endif #if FMT_USE_INT128 -inline int count_digits(uint128_t n) { - int count = 1; - for (;;) { - // Integer division is slow so do it for a group of four digits instead - // of for every digit. The idea comes from the talk by Alexandrescu - // "Three Optimization Tips for C++". See speed-test for a comparison. - if (n < 10) return count; - if (n < 100) return count + 1; - if (n < 1000) return count + 2; - if (n < 10000) return count + 3; - n /= 10000U; - count += 4; - } +inline int count_digits(uint128_t n) +{ + int count = 1; + for (;;) + { + // Integer division is slow so do it for a group of four digits instead + // of for every digit. The idea comes from the talk by Alexandrescu + // "Three Optimization Tips for C++". See speed-test for a comparison. + if (n < 10) + return count; + if (n < 100) + return count + 1; + if (n < 1000) + return count + 2; + if (n < 10000) + return count + 3; + n /= 10000U; + count += 4; + } } #endif // Counts the number of digits in n. BITS = log2(radix). -template inline int count_digits(UInt n) { - int num_digits = 0; - do { - ++num_digits; - } while ((n >>= BITS) != 0); - return num_digits; +template +inline int count_digits(UInt n) +{ + int num_digits = 0; + do + { + ++num_digits; + } while ((n >>= BITS) != 0); + return num_digits; } -template <> int count_digits<4>(internal::fallback_uintptr n); +template<> +int count_digits<4>(internal::fallback_uintptr n); #if FMT_GCC_VERSION || FMT_CLANG_VERSION -# define FMT_ALWAYS_INLINE inline __attribute__((always_inline)) +#define FMT_ALWAYS_INLINE inline __attribute__((always_inline)) #else -# define FMT_ALWAYS_INLINE +#define FMT_ALWAYS_INLINE #endif #ifdef FMT_BUILTIN_CLZ // Optional version of count_digits for better performance on 32-bit platforms. -inline int count_digits(uint32_t n) { - int t = (32 - FMT_BUILTIN_CLZ(n | 1)) * 1233 >> 12; - return t - (n < data::zero_or_powers_of_10_32[t]) + 1; +inline int count_digits(uint32_t n) +{ + int t = (32 - FMT_BUILTIN_CLZ(n | 1)) * 1233 >> 12; + return t - (n < data::zero_or_powers_of_10_32[t]) + 1; } #endif -template FMT_API std::string grouping_impl(locale_ref loc); -template inline std::string grouping(locale_ref loc) { - return grouping_impl(loc); +template +FMT_API std::string grouping_impl(locale_ref loc); +template +inline std::string grouping(locale_ref loc) +{ + return grouping_impl(loc); } -template <> inline std::string grouping(locale_ref loc) { - return grouping_impl(loc); +template<> +inline std::string grouping(locale_ref loc) +{ + return grouping_impl(loc); } -template FMT_API Char thousands_sep_impl(locale_ref loc); -template inline Char thousands_sep(locale_ref loc) { - return Char(thousands_sep_impl(loc)); +template +FMT_API Char thousands_sep_impl(locale_ref loc); +template +inline Char thousands_sep(locale_ref loc) +{ + return Char(thousands_sep_impl(loc)); } -template <> inline wchar_t thousands_sep(locale_ref loc) { - return thousands_sep_impl(loc); +template<> +inline wchar_t thousands_sep(locale_ref loc) +{ + return thousands_sep_impl(loc); } -template FMT_API Char decimal_point_impl(locale_ref loc); -template inline Char decimal_point(locale_ref loc) { - return Char(decimal_point_impl(loc)); +template +FMT_API Char decimal_point_impl(locale_ref loc); +template +inline Char decimal_point(locale_ref loc) +{ + return Char(decimal_point_impl(loc)); } -template <> inline wchar_t decimal_point(locale_ref loc) { - return decimal_point_impl(loc); +template<> +inline wchar_t decimal_point(locale_ref loc) +{ + return decimal_point_impl(loc); } // Formats a decimal unsigned integer value writing into buffer. // add_thousands_sep is called after writing each char to add a thousands // separator if necessary. -template -inline Char* format_decimal(Char* buffer, UInt value, int num_digits, - F add_thousands_sep) { - FMT_ASSERT(num_digits >= 0, "invalid digit count"); - buffer += num_digits; - Char* end = buffer; - while (value >= 100) { - // Integer division is slow so do it for a group of two digits instead - // of for every digit. The idea comes from the talk by Alexandrescu - // "Three Optimization Tips for C++". See speed-test for a comparison. - auto index = static_cast((value % 100) * 2); - value /= 100; +template +inline Char *format_decimal(Char *buffer, UInt value, int num_digits, F add_thousands_sep) +{ + FMT_ASSERT(num_digits >= 0, "invalid digit count"); + buffer += num_digits; + Char *end = buffer; + while (value >= 100) + { + // Integer division is slow so do it for a group of two digits instead + // of for every digit. The idea comes from the talk by Alexandrescu + // "Three Optimization Tips for C++". See speed-test for a comparison. + auto index = static_cast((value % 100) * 2); + value /= 100; + *--buffer = static_cast(data::digits[index + 1]); + add_thousands_sep(buffer); + *--buffer = static_cast(data::digits[index]); + add_thousands_sep(buffer); + } + if (value < 10) + { + *--buffer = static_cast('0' + value); + return end; + } + auto index = static_cast(value * 2); *--buffer = static_cast(data::digits[index + 1]); add_thousands_sep(buffer); *--buffer = static_cast(data::digits[index]); - add_thousands_sep(buffer); - } - if (value < 10) { - *--buffer = static_cast('0' + value); return end; - } - auto index = static_cast(value * 2); - *--buffer = static_cast(data::digits[index + 1]); - add_thousands_sep(buffer); - *--buffer = static_cast(data::digits[index]); - return end; } -template constexpr int digits10() noexcept { - return std::numeric_limits::digits10; +template +constexpr int digits10() noexcept +{ + return std::numeric_limits::digits10; } -template <> constexpr int digits10() noexcept { return 38; } -template <> constexpr int digits10() noexcept { return 38; } - -template -inline Iterator format_decimal(Iterator out, UInt value, int num_digits, - F add_thousands_sep) { - FMT_ASSERT(num_digits >= 0, "invalid digit count"); - // Buffer should be large enough to hold all digits (<= digits10 + 1). - enum { max_size = digits10() + 1 }; - Char buffer[2 * max_size]; - auto end = format_decimal(buffer, value, num_digits, add_thousands_sep); - return internal::copy_str(buffer, end, out); +template<> +constexpr int digits10() noexcept +{ + return 38; +} +template<> +constexpr int digits10() noexcept +{ + return 38; } -template -inline It format_decimal(It out, UInt value, int num_digits) { - return format_decimal(out, value, num_digits, [](Char*) {}); +template +inline Iterator format_decimal(Iterator out, UInt value, int num_digits, F add_thousands_sep) +{ + FMT_ASSERT(num_digits >= 0, "invalid digit count"); + // Buffer should be large enough to hold all digits (<= digits10 + 1). + enum + { + max_size = digits10() + 1 + }; + Char buffer[2 * max_size]; + auto end = format_decimal(buffer, value, num_digits, add_thousands_sep); + return internal::copy_str(buffer, end, out); } -template -inline Char* format_uint(Char* buffer, UInt value, int num_digits, - bool upper = false) { - buffer += num_digits; - Char* end = buffer; - do { - const char* digits = upper ? "0123456789ABCDEF" : data::hex_digits; - unsigned digit = (value & ((1 << BASE_BITS) - 1)); - *--buffer = static_cast(BASE_BITS < 4 ? static_cast('0' + digit) - : digits[digit]); - } while ((value >>= BASE_BITS) != 0); - return end; +template +inline It format_decimal(It out, UInt value, int num_digits) +{ + return format_decimal(out, value, num_digits, [](Char *) {}); } -template -Char* format_uint(Char* buffer, internal::fallback_uintptr n, int num_digits, - bool = false) { - auto char_digits = std::numeric_limits::digits / 4; - int start = (num_digits + char_digits - 1) / char_digits - 1; - if (int start_digits = num_digits % char_digits) { - unsigned value = n.value[start--]; - buffer = format_uint(buffer, value, start_digits); - } - for (; start >= 0; --start) { - unsigned value = n.value[start]; - buffer += char_digits; - auto p = buffer; - for (int i = 0; i < char_digits; ++i) { - unsigned digit = (value & ((1 << BASE_BITS) - 1)); - *--p = static_cast(data::hex_digits[digit]); - value >>= BASE_BITS; +template +inline Char *format_uint(Char *buffer, UInt value, int num_digits, bool upper = false) +{ + buffer += num_digits; + Char *end = buffer; + do + { + const char *digits = upper ? "0123456789ABCDEF" : data::hex_digits; + unsigned digit = (value & ((1 << BASE_BITS) - 1)); + *--buffer = static_cast(BASE_BITS < 4 ? static_cast('0' + digit) : digits[digit]); + } while ((value >>= BASE_BITS) != 0); + return end; +} + +template +Char *format_uint(Char *buffer, internal::fallback_uintptr n, int num_digits, bool = false) +{ + auto char_digits = std::numeric_limits::digits / 4; + int start = (num_digits + char_digits - 1) / char_digits - 1; + if (int start_digits = num_digits % char_digits) + { + unsigned value = n.value[start--]; + buffer = format_uint(buffer, value, start_digits); } - } - return buffer; + for (; start >= 0; --start) + { + unsigned value = n.value[start]; + buffer += char_digits; + auto p = buffer; + for (int i = 0; i < char_digits; ++i) + { + unsigned digit = (value & ((1 << BASE_BITS) - 1)); + *--p = static_cast(data::hex_digits[digit]); + value >>= BASE_BITS; + } + } + return buffer; } -template -inline It format_uint(It out, UInt value, int num_digits, bool upper = false) { - // Buffer should be large enough to hold all digits (digits / BASE_BITS + 1). - char buffer[num_bits() / BASE_BITS + 1]; - format_uint(buffer, value, num_digits, upper); - return internal::copy_str(buffer, buffer + num_digits, out); +template +inline It format_uint(It out, UInt value, int num_digits, bool upper = false) +{ + // Buffer should be large enough to hold all digits (digits / BASE_BITS + 1). + char buffer[num_bits() / BASE_BITS + 1]; + format_uint(buffer, value, num_digits, upper); + return internal::copy_str(buffer, buffer + num_digits, out); } #ifndef _WIN32 -# define FMT_USE_WINDOWS_H 0 +#define FMT_USE_WINDOWS_H 0 #elif !defined(FMT_USE_WINDOWS_H) -# define FMT_USE_WINDOWS_H 1 +#define FMT_USE_WINDOWS_H 1 #endif // Define FMT_USE_WINDOWS_H to 0 to disable use of windows.h. @@ -942,93 +1127,143 @@ inline It format_uint(It out, UInt value, int num_digits, bool upper = false) { #if FMT_USE_WINDOWS_H // A converter from UTF-8 to UTF-16. // It is only provided for Windows since other systems support UTF-8 natively. -class utf8_to_utf16 { - private: - wmemory_buffer buffer_; +class utf8_to_utf16 +{ +private: + wmemory_buffer buffer_; - public: - FMT_API explicit utf8_to_utf16(string_view s); - operator wstring_view() const { return wstring_view(&buffer_[0], size()); } - size_t size() const { return buffer_.size() - 1; } - const wchar_t* c_str() const { return &buffer_[0]; } - std::wstring str() const { return std::wstring(&buffer_[0], size()); } +public: + FMT_API explicit utf8_to_utf16(string_view s); + operator wstring_view() const + { + return wstring_view(&buffer_[0], size()); + } + size_t size() const + { + return buffer_.size() - 1; + } + const wchar_t *c_str() const + { + return &buffer_[0]; + } + std::wstring str() const + { + return std::wstring(&buffer_[0], size()); + } }; // A converter from UTF-16 to UTF-8. // It is only provided for Windows since other systems support UTF-8 natively. -class utf16_to_utf8 { - private: - memory_buffer buffer_; +class utf16_to_utf8 +{ +private: + memory_buffer buffer_; - public: - utf16_to_utf8() {} - FMT_API explicit utf16_to_utf8(wstring_view s); - operator string_view() const { return string_view(&buffer_[0], size()); } - size_t size() const { return buffer_.size() - 1; } - const char* c_str() const { return &buffer_[0]; } - std::string str() const { return std::string(&buffer_[0], size()); } +public: + utf16_to_utf8() {} + FMT_API explicit utf16_to_utf8(wstring_view s); + operator string_view() const + { + return string_view(&buffer_[0], size()); + } + size_t size() const + { + return buffer_.size() - 1; + } + const char *c_str() const + { + return &buffer_[0]; + } + std::string str() const + { + return std::string(&buffer_[0], size()); + } - // Performs conversion returning a system error code instead of - // throwing exception on conversion error. This method may still throw - // in case of memory allocation error. - FMT_API int convert(wstring_view s); + // Performs conversion returning a system error code instead of + // throwing exception on conversion error. This method may still throw + // in case of memory allocation error. + FMT_API int convert(wstring_view s); }; -FMT_API void format_windows_error(internal::buffer& out, int error_code, - string_view message) FMT_NOEXCEPT; +FMT_API void format_windows_error(internal::buffer &out, int error_code, string_view message) FMT_NOEXCEPT; #endif -template struct null {}; +template +struct null +{}; // Workaround an array initialization issue in gcc 4.8. -template struct fill_t { - private: - Char data_[6]; +template +struct fill_t +{ +private: + Char data_[6]; - public: - FMT_CONSTEXPR Char& operator[](size_t index) { return data_[index]; } - FMT_CONSTEXPR const Char& operator[](size_t index) const { - return data_[index]; - } +public: + FMT_CONSTEXPR Char &operator[](size_t index) + { + return data_[index]; + } + FMT_CONSTEXPR const Char &operator[](size_t index) const + { + return data_[index]; + } - static FMT_CONSTEXPR fill_t make() { - auto fill = fill_t(); - fill[0] = Char(' '); - return fill; - } + static FMT_CONSTEXPR fill_t make() + { + auto fill = fill_t(); + fill[0] = Char(' '); + return fill; + } }; -} // namespace internal +} // namespace internal // We cannot use enum classes as bit fields because of a gcc bug // https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61414. namespace align { -enum type { none, left, right, center, numeric }; +enum type +{ + none, + left, + right, + center, + numeric +}; } using align_t = align::type; namespace sign { -enum type { none, minus, plus, space }; +enum type +{ + none, + minus, + plus, + space +}; } using sign_t = sign::type; // Format specifiers for built-in and string types. -template struct basic_format_specs { - int width; - int precision; - char type; - align_t align : 4; - sign_t sign : 3; - bool alt : 1; // Alternate form ('#'). - internal::fill_t fill; +template +struct basic_format_specs +{ + int width; + int precision; + char type; + align_t align : 4; + sign_t sign : 3; + bool alt : 1; // Alternate form ('#'). + internal::fill_t fill; - constexpr basic_format_specs() - : width(0), - precision(-1), - type(0), - align(align::none), - sign(sign::none), - alt(false), - fill(internal::fill_t::make()) {} + constexpr basic_format_specs() + : width(0) + , precision(-1) + , type(0) + , align(align::none) + , sign(sign::none) + , alt(false) + , fill(internal::fill_t::make()) + {} }; using format_specs = basic_format_specs; @@ -1036,1709 +1271,2198 @@ using format_specs = basic_format_specs; namespace internal { // A floating-point presentation format. -enum class float_format : unsigned char { - general, // General: exponent notation or fixed point based on magnitude. - exp, // Exponent notation with the default precision of 6, e.g. 1.2e-3. - fixed, // Fixed point with the default precision of 6, e.g. 0.0012. - hex +enum class float_format : unsigned char +{ + general, // General: exponent notation or fixed point based on magnitude. + exp, // Exponent notation with the default precision of 6, e.g. 1.2e-3. + fixed, // Fixed point with the default precision of 6, e.g. 0.0012. + hex }; -struct float_specs { - int precision; - float_format format : 8; - sign_t sign : 8; - bool upper : 1; - bool locale : 1; - bool percent : 1; - bool binary32 : 1; - bool use_grisu : 1; - bool trailing_zeros : 1; +struct float_specs +{ + int precision; + float_format format : 8; + sign_t sign : 8; + bool upper : 1; + bool locale : 1; + bool percent : 1; + bool binary32 : 1; + bool use_grisu : 1; + bool trailing_zeros : 1; }; // Writes the exponent exp in the form "[+-]d{2,3}" to buffer. -template It write_exponent(int exp, It it) { - FMT_ASSERT(-10000 < exp && exp < 10000, "exponent out of range"); - if (exp < 0) { - *it++ = static_cast('-'); - exp = -exp; - } else { - *it++ = static_cast('+'); - } - if (exp >= 100) { - const char* top = data::digits + (exp / 100) * 2; - if (exp >= 1000) *it++ = static_cast(top[0]); - *it++ = static_cast(top[1]); - exp %= 100; - } - const char* d = data::digits + exp * 2; - *it++ = static_cast(d[0]); - *it++ = static_cast(d[1]); - return it; +template +It write_exponent(int exp, It it) +{ + FMT_ASSERT(-10000 < exp && exp < 10000, "exponent out of range"); + if (exp < 0) + { + *it++ = static_cast('-'); + exp = -exp; + } + else + { + *it++ = static_cast('+'); + } + if (exp >= 100) + { + const char *top = data::digits + (exp / 100) * 2; + if (exp >= 1000) + *it++ = static_cast(top[0]); + *it++ = static_cast(top[1]); + exp %= 100; + } + const char *d = data::digits + exp * 2; + *it++ = static_cast(d[0]); + *it++ = static_cast(d[1]); + return it; } -template class float_writer { - private: - // The number is given as v = digits_ * pow(10, exp_). - const char* digits_; - int num_digits_; - int exp_; - size_t size_; - float_specs specs_; - Char decimal_point_; +template +class float_writer +{ +private: + // The number is given as v = digits_ * pow(10, exp_). + const char *digits_; + int num_digits_; + int exp_; + size_t size_; + float_specs specs_; + Char decimal_point_; - template It prettify(It it) const { - // pow(10, full_exp - 1) <= v <= pow(10, full_exp). - int full_exp = num_digits_ + exp_; - if (specs_.format == float_format::exp) { - // Insert a decimal point after the first digit and add an exponent. - *it++ = static_cast(*digits_); - int num_zeros = specs_.precision - num_digits_; - bool trailing_zeros = num_zeros > 0 && specs_.trailing_zeros; - if (num_digits_ > 1 || trailing_zeros) *it++ = decimal_point_; - it = copy_str(digits_ + 1, digits_ + num_digits_, it); - if (trailing_zeros) - it = std::fill_n(it, num_zeros, static_cast('0')); - *it++ = static_cast(specs_.upper ? 'E' : 'e'); - return write_exponent(full_exp - 1, it); - } - if (num_digits_ <= full_exp) { - // 1234e7 -> 12340000000[.0+] - it = copy_str(digits_, digits_ + num_digits_, it); - it = std::fill_n(it, full_exp - num_digits_, static_cast('0')); - if (specs_.trailing_zeros) { - *it++ = decimal_point_; - int num_zeros = specs_.precision - full_exp; - if (num_zeros <= 0) { - if (specs_.format != float_format::fixed) - *it++ = static_cast('0'); - return it; + template + It prettify(It it) const + { + // pow(10, full_exp - 1) <= v <= pow(10, full_exp). + int full_exp = num_digits_ + exp_; + if (specs_.format == float_format::exp) + { + // Insert a decimal point after the first digit and add an exponent. + *it++ = static_cast(*digits_); + int num_zeros = specs_.precision - num_digits_; + bool trailing_zeros = num_zeros > 0 && specs_.trailing_zeros; + if (num_digits_ > 1 || trailing_zeros) + *it++ = decimal_point_; + it = copy_str(digits_ + 1, digits_ + num_digits_, it); + if (trailing_zeros) + it = std::fill_n(it, num_zeros, static_cast('0')); + *it++ = static_cast(specs_.upper ? 'E' : 'e'); + return write_exponent(full_exp - 1, it); } + if (num_digits_ <= full_exp) + { + // 1234e7 -> 12340000000[.0+] + it = copy_str(digits_, digits_ + num_digits_, it); + it = std::fill_n(it, full_exp - num_digits_, static_cast('0')); + if (specs_.trailing_zeros) + { + *it++ = decimal_point_; + int num_zeros = specs_.precision - full_exp; + if (num_zeros <= 0) + { + if (specs_.format != float_format::fixed) + *it++ = static_cast('0'); + return it; + } #ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION - if (num_zeros > 1000) - throw std::runtime_error("fuzz mode - avoiding excessive cpu use"); + if (num_zeros > 1000) + throw std::runtime_error("fuzz mode - avoiding excessive cpu use"); #endif - it = std::fill_n(it, num_zeros, static_cast('0')); - } - } else if (full_exp > 0) { - // 1234e-2 -> 12.34[0+] - it = copy_str(digits_, digits_ + full_exp, it); - if (!specs_.trailing_zeros) { - // Remove trailing zeros. - int num_digits = num_digits_; - while (num_digits > full_exp && digits_[num_digits - 1] == '0') - --num_digits; - if (num_digits != full_exp) *it++ = decimal_point_; - return copy_str(digits_ + full_exp, digits_ + num_digits, it); - } - *it++ = decimal_point_; - it = copy_str(digits_ + full_exp, digits_ + num_digits_, it); - if (specs_.precision > num_digits_) { - // Add trailing zeros. - int num_zeros = specs_.precision - num_digits_; - it = std::fill_n(it, num_zeros, static_cast('0')); - } - } else { - // 1234e-6 -> 0.001234 - *it++ = static_cast('0'); - int num_zeros = -full_exp; - if (specs_.precision >= 0 && specs_.precision < num_zeros) - num_zeros = specs_.precision; - int num_digits = num_digits_; - if (!specs_.trailing_zeros) - while (num_digits > 0 && digits_[num_digits - 1] == '0') --num_digits; - if (num_zeros != 0 || num_digits != 0) { - *it++ = decimal_point_; - it = std::fill_n(it, num_zeros, static_cast('0')); - it = copy_str(digits_, digits_ + num_digits, it); - } + it = std::fill_n(it, num_zeros, static_cast('0')); + } + } + else if (full_exp > 0) + { + // 1234e-2 -> 12.34[0+] + it = copy_str(digits_, digits_ + full_exp, it); + if (!specs_.trailing_zeros) + { + // Remove trailing zeros. + int num_digits = num_digits_; + while (num_digits > full_exp && digits_[num_digits - 1] == '0') + --num_digits; + if (num_digits != full_exp) + *it++ = decimal_point_; + return copy_str(digits_ + full_exp, digits_ + num_digits, it); + } + *it++ = decimal_point_; + it = copy_str(digits_ + full_exp, digits_ + num_digits_, it); + if (specs_.precision > num_digits_) + { + // Add trailing zeros. + int num_zeros = specs_.precision - num_digits_; + it = std::fill_n(it, num_zeros, static_cast('0')); + } + } + else + { + // 1234e-6 -> 0.001234 + *it++ = static_cast('0'); + int num_zeros = -full_exp; + if (specs_.precision >= 0 && specs_.precision < num_zeros) + num_zeros = specs_.precision; + int num_digits = num_digits_; + if (!specs_.trailing_zeros) + while (num_digits > 0 && digits_[num_digits - 1] == '0') + --num_digits; + if (num_zeros != 0 || num_digits != 0) + { + *it++ = decimal_point_; + it = std::fill_n(it, num_zeros, static_cast('0')); + it = copy_str(digits_, digits_ + num_digits, it); + } + } + return it; } - return it; - } - public: - float_writer(const char* digits, int num_digits, int exp, float_specs specs, - Char decimal_point) - : digits_(digits), - num_digits_(num_digits), - exp_(exp), - specs_(specs), - decimal_point_(decimal_point) { - int full_exp = num_digits + exp - 1; - int precision = specs.precision > 0 ? specs.precision : 16; - if (specs_.format == float_format::general && - !(full_exp >= -4 && full_exp < precision)) { - specs_.format = float_format::exp; +public: + float_writer(const char *digits, int num_digits, int exp, float_specs specs, Char decimal_point) + : digits_(digits) + , num_digits_(num_digits) + , exp_(exp) + , specs_(specs) + , decimal_point_(decimal_point) + { + int full_exp = num_digits + exp - 1; + int precision = specs.precision > 0 ? specs.precision : 16; + if (specs_.format == float_format::general && !(full_exp >= -4 && full_exp < precision)) + { + specs_.format = float_format::exp; + } + size_ = prettify(counting_iterator()).count(); + size_ += specs.sign ? 1 : 0; } - size_ = prettify(counting_iterator()).count(); - size_ += specs.sign ? 1 : 0; - } - size_t size() const { return size_; } - size_t width() const { return size(); } + size_t size() const + { + return size_; + } + size_t width() const + { + return size(); + } - template void operator()(It&& it) { - if (specs_.sign) *it++ = static_cast(data::signs[specs_.sign]); - it = prettify(it); - } + template + void operator()(It &&it) + { + if (specs_.sign) + *it++ = static_cast(data::signs[specs_.sign]); + it = prettify(it); + } }; -template -int format_float(T value, int precision, float_specs specs, buffer& buf); +template +int format_float(T value, int precision, float_specs specs, buffer &buf); // Formats a floating-point number with snprintf. -template -int snprintf_float(T value, int precision, float_specs specs, - buffer& buf); +template +int snprintf_float(T value, int precision, float_specs specs, buffer &buf); -template T promote_float(T value) { return value; } -inline double promote_float(float value) { return value; } - -template -FMT_CONSTEXPR void handle_int_type_spec(char spec, Handler&& handler) { - switch (spec) { - case 0: - case 'd': - handler.on_dec(); - break; - case 'x': - case 'X': - handler.on_hex(); - break; - case 'b': - case 'B': - handler.on_bin(); - break; - case 'o': - handler.on_oct(); - break; - case 'n': - handler.on_num(); - break; - default: - handler.on_error(); - } +template +T promote_float(T value) +{ + return value; +} +inline double promote_float(float value) +{ + return value; } -template -FMT_CONSTEXPR float_specs parse_float_type_spec( - const basic_format_specs& specs, ErrorHandler&& eh = {}) { - auto result = float_specs(); - result.trailing_zeros = specs.alt; - switch (specs.type) { - case 0: - result.format = float_format::general; - result.trailing_zeros |= specs.precision != 0; - break; - case 'G': - result.upper = true; - FMT_FALLTHROUGH; - case 'g': - result.format = float_format::general; - break; - case 'E': - result.upper = true; - FMT_FALLTHROUGH; - case 'e': - result.format = float_format::exp; - result.trailing_zeros |= specs.precision != 0; - break; - case 'F': - result.upper = true; - FMT_FALLTHROUGH; - case 'f': - result.format = float_format::fixed; - result.trailing_zeros |= specs.precision != 0; - break; -#if FMT_DEPRECATED_PERCENT - case '%': - result.format = float_format::fixed; - result.percent = true; - break; -#endif - case 'A': - result.upper = true; - FMT_FALLTHROUGH; - case 'a': - result.format = float_format::hex; - break; - case 'n': - result.locale = true; - break; - default: - eh.on_error("invalid type specifier"); - break; - } - return result; -} - -template -FMT_CONSTEXPR void handle_char_specs(const basic_format_specs* specs, - Handler&& handler) { - if (!specs) return handler.on_char(); - if (specs->type && specs->type != 'c') return handler.on_int(); - if (specs->align == align::numeric || specs->sign != sign::none || specs->alt) - handler.on_error("invalid format specifier for char"); - handler.on_char(); -} - -template -FMT_CONSTEXPR void handle_cstring_type_spec(Char spec, Handler&& handler) { - if (spec == 0 || spec == 's') - handler.on_string(); - else if (spec == 'p') - handler.on_pointer(); - else - handler.on_error("invalid type specifier"); -} - -template -FMT_CONSTEXPR void check_string_type_spec(Char spec, ErrorHandler&& eh) { - if (spec != 0 && spec != 's') eh.on_error("invalid type specifier"); -} - -template -FMT_CONSTEXPR void check_pointer_type_spec(Char spec, ErrorHandler&& eh) { - if (spec != 0 && spec != 'p') eh.on_error("invalid type specifier"); -} - -template class int_type_checker : private ErrorHandler { - public: - FMT_CONSTEXPR explicit int_type_checker(ErrorHandler eh) : ErrorHandler(eh) {} - - FMT_CONSTEXPR void on_dec() {} - FMT_CONSTEXPR void on_hex() {} - FMT_CONSTEXPR void on_bin() {} - FMT_CONSTEXPR void on_oct() {} - FMT_CONSTEXPR void on_num() {} - - FMT_CONSTEXPR void on_error() { - ErrorHandler::on_error("invalid type specifier"); - } -}; - -template -class char_specs_checker : public ErrorHandler { - private: - char type_; - - public: - FMT_CONSTEXPR char_specs_checker(char type, ErrorHandler eh) - : ErrorHandler(eh), type_(type) {} - - FMT_CONSTEXPR void on_int() { - handle_int_type_spec(type_, int_type_checker(*this)); - } - FMT_CONSTEXPR void on_char() {} -}; - -template -class cstring_type_checker : public ErrorHandler { - public: - FMT_CONSTEXPR explicit cstring_type_checker(ErrorHandler eh) - : ErrorHandler(eh) {} - - FMT_CONSTEXPR void on_string() {} - FMT_CONSTEXPR void on_pointer() {} -}; - -template -void arg_map::init(const basic_format_args& args) { - if (map_) return; - map_ = new entry[internal::to_unsigned(args.max_size())]; - if (args.is_packed()) { - for (int i = 0;; ++i) { - internal::type arg_type = args.type(i); - if (arg_type == internal::none_type) return; - if (arg_type == internal::named_arg_type) push_back(args.values_[i]); +template +FMT_CONSTEXPR void handle_int_type_spec(char spec, Handler &&handler) +{ + switch (spec) + { + case 0: + case 'd': + handler.on_dec(); + break; + case 'x': + case 'X': + handler.on_hex(); + break; + case 'b': + case 'B': + handler.on_bin(); + break; + case 'o': + handler.on_oct(); + break; + case 'n': + handler.on_num(); + break; + default: + handler.on_error(); } - } - for (int i = 0, n = args.max_size(); i < n; ++i) { - auto type = args.args_[i].type_; - if (type == internal::named_arg_type) push_back(args.args_[i].value_); - } } -template struct nonfinite_writer { - sign_t sign; - const char* str; - static constexpr size_t str_size = 3; +template +FMT_CONSTEXPR float_specs parse_float_type_spec(const basic_format_specs &specs, ErrorHandler &&eh = {}) +{ + auto result = float_specs(); + result.trailing_zeros = specs.alt; + switch (specs.type) + { + case 0: + result.format = float_format::general; + result.trailing_zeros |= specs.precision != 0; + break; + case 'G': + result.upper = true; + FMT_FALLTHROUGH; + case 'g': + result.format = float_format::general; + break; + case 'E': + result.upper = true; + FMT_FALLTHROUGH; + case 'e': + result.format = float_format::exp; + result.trailing_zeros |= specs.precision != 0; + break; + case 'F': + result.upper = true; + FMT_FALLTHROUGH; + case 'f': + result.format = float_format::fixed; + result.trailing_zeros |= specs.precision != 0; + break; +#if FMT_DEPRECATED_PERCENT + case '%': + result.format = float_format::fixed; + result.percent = true; + break; +#endif + case 'A': + result.upper = true; + FMT_FALLTHROUGH; + case 'a': + result.format = float_format::hex; + break; + case 'n': + result.locale = true; + break; + default: + eh.on_error("invalid type specifier"); + break; + } + return result; +} - size_t size() const { return str_size + (sign ? 1 : 0); } - size_t width() const { return size(); } +template +FMT_CONSTEXPR void handle_char_specs(const basic_format_specs *specs, Handler &&handler) +{ + if (!specs) + return handler.on_char(); + if (specs->type && specs->type != 'c') + return handler.on_int(); + if (specs->align == align::numeric || specs->sign != sign::none || specs->alt) + handler.on_error("invalid format specifier for char"); + handler.on_char(); +} - template void operator()(It&& it) const { - if (sign) *it++ = static_cast(data::signs[sign]); - it = copy_str(str, str + str_size, it); - } +template +FMT_CONSTEXPR void handle_cstring_type_spec(Char spec, Handler &&handler) +{ + if (spec == 0 || spec == 's') + handler.on_string(); + else if (spec == 'p') + handler.on_pointer(); + else + handler.on_error("invalid type specifier"); +} + +template +FMT_CONSTEXPR void check_string_type_spec(Char spec, ErrorHandler &&eh) +{ + if (spec != 0 && spec != 's') + eh.on_error("invalid type specifier"); +} + +template +FMT_CONSTEXPR void check_pointer_type_spec(Char spec, ErrorHandler &&eh) +{ + if (spec != 0 && spec != 'p') + eh.on_error("invalid type specifier"); +} + +template +class int_type_checker : private ErrorHandler +{ +public: + FMT_CONSTEXPR explicit int_type_checker(ErrorHandler eh) + : ErrorHandler(eh) + {} + + FMT_CONSTEXPR void on_dec() {} + FMT_CONSTEXPR void on_hex() {} + FMT_CONSTEXPR void on_bin() {} + FMT_CONSTEXPR void on_oct() {} + FMT_CONSTEXPR void on_num() {} + + FMT_CONSTEXPR void on_error() + { + ErrorHandler::on_error("invalid type specifier"); + } +}; + +template +class char_specs_checker : public ErrorHandler +{ +private: + char type_; + +public: + FMT_CONSTEXPR char_specs_checker(char type, ErrorHandler eh) + : ErrorHandler(eh) + , type_(type) + {} + + FMT_CONSTEXPR void on_int() + { + handle_int_type_spec(type_, int_type_checker(*this)); + } + FMT_CONSTEXPR void on_char() {} +}; + +template +class cstring_type_checker : public ErrorHandler +{ +public: + FMT_CONSTEXPR explicit cstring_type_checker(ErrorHandler eh) + : ErrorHandler(eh) + {} + + FMT_CONSTEXPR void on_string() {} + FMT_CONSTEXPR void on_pointer() {} +}; + +template +void arg_map::init(const basic_format_args &args) +{ + if (map_) + return; + map_ = new entry[internal::to_unsigned(args.max_size())]; + if (args.is_packed()) + { + for (int i = 0;; ++i) + { + internal::type arg_type = args.type(i); + if (arg_type == internal::none_type) + return; + if (arg_type == internal::named_arg_type) + push_back(args.values_[i]); + } + } + for (int i = 0, n = args.max_size(); i < n; ++i) + { + auto type = args.args_[i].type_; + if (type == internal::named_arg_type) + push_back(args.args_[i].value_); + } +} + +template +struct nonfinite_writer +{ + sign_t sign; + const char *str; + static constexpr size_t str_size = 3; + + size_t size() const + { + return str_size + (sign ? 1 : 0); + } + size_t width() const + { + return size(); + } + + template + void operator()(It &&it) const + { + if (sign) + *it++ = static_cast(data::signs[sign]); + it = copy_str(str, str + str_size, it); + } }; // This template provides operations for formatting and writing data into a // character range. -template class basic_writer { - public: - using char_type = typename Range::value_type; - using iterator = typename Range::iterator; - using format_specs = basic_format_specs; +template +class basic_writer +{ +public: + using char_type = typename Range::value_type; + using iterator = typename Range::iterator; + using format_specs = basic_format_specs; - private: - iterator out_; // Output iterator. - locale_ref locale_; +private: + iterator out_; // Output iterator. + locale_ref locale_; - // Attempts to reserve space for n extra characters in the output range. - // Returns a pointer to the reserved range or a reference to out_. - auto reserve(std::size_t n) -> decltype(internal::reserve(out_, n)) { - return internal::reserve(out_, n); - } - - template struct padded_int_writer { - size_t size_; - string_view prefix; - char_type fill; - std::size_t padding; - F f; - - size_t size() const { return size_; } - size_t width() const { return size_; } - - template void operator()(It&& it) const { - if (prefix.size() != 0) - it = copy_str(prefix.begin(), prefix.end(), it); - it = std::fill_n(it, padding, fill); - f(it); - } - }; - - // Writes an integer in the format - // - // where are written by f(it). - template - void write_int(int num_digits, string_view prefix, format_specs specs, F f) { - std::size_t size = prefix.size() + to_unsigned(num_digits); - char_type fill = specs.fill[0]; - std::size_t padding = 0; - if (specs.align == align::numeric) { - auto unsiged_width = to_unsigned(specs.width); - if (unsiged_width > size) { - padding = unsiged_width - size; - size = unsiged_width; - } - } else if (specs.precision > num_digits) { - size = prefix.size() + to_unsigned(specs.precision); - padding = to_unsigned(specs.precision - num_digits); - fill = static_cast('0'); - } - if (specs.align == align::none) specs.align = align::right; - write_padded(specs, padded_int_writer{size, prefix, fill, padding, f}); - } - - // Writes a decimal integer. - template void write_decimal(Int value) { - auto abs_value = static_cast>(value); - bool negative = is_negative(value); - // Don't do -abs_value since it trips unsigned-integer-overflow sanitizer. - if (negative) abs_value = ~abs_value + 1; - int num_digits = count_digits(abs_value); - auto&& it = reserve((negative ? 1 : 0) + static_cast(num_digits)); - if (negative) *it++ = static_cast('-'); - it = format_decimal(it, abs_value, num_digits); - } - - // The handle_int_type_spec handler that writes an integer. - template struct int_writer { - using unsigned_type = uint32_or_64_or_128_t; - - basic_writer& writer; - const Specs& specs; - unsigned_type abs_value; - char prefix[4]; - unsigned prefix_size; - - string_view get_prefix() const { return string_view(prefix, prefix_size); } - - int_writer(basic_writer& w, Int value, const Specs& s) - : writer(w), - specs(s), - abs_value(static_cast(value)), - prefix_size(0) { - if (is_negative(value)) { - prefix[0] = '-'; - ++prefix_size; - abs_value = 0 - abs_value; - } else if (specs.sign != sign::none && specs.sign != sign::minus) { - prefix[0] = specs.sign == sign::plus ? '+' : ' '; - ++prefix_size; - } + // Attempts to reserve space for n extra characters in the output range. + // Returns a pointer to the reserved range or a reference to out_. + auto reserve(std::size_t n) -> decltype(internal::reserve(out_, n)) + { + return internal::reserve(out_, n); } - struct dec_writer { - unsigned_type abs_value; - int num_digits; + template + struct padded_int_writer + { + size_t size_; + string_view prefix; + char_type fill; + std::size_t padding; + F f; - template void operator()(It&& it) const { - it = internal::format_decimal(it, abs_value, num_digits); - } + size_t size() const + { + return size_; + } + size_t width() const + { + return size_; + } + + template + void operator()(It &&it) const + { + if (prefix.size() != 0) + it = copy_str(prefix.begin(), prefix.end(), it); + it = std::fill_n(it, padding, fill); + f(it); + } }; - void on_dec() { - int num_digits = count_digits(abs_value); - writer.write_int(num_digits, get_prefix(), specs, - dec_writer{abs_value, num_digits}); + // Writes an integer in the format + // + // where are written by f(it). + template + void write_int(int num_digits, string_view prefix, format_specs specs, F f) + { + std::size_t size = prefix.size() + to_unsigned(num_digits); + char_type fill = specs.fill[0]; + std::size_t padding = 0; + if (specs.align == align::numeric) + { + auto unsiged_width = to_unsigned(specs.width); + if (unsiged_width > size) + { + padding = unsiged_width - size; + size = unsiged_width; + } + } + else if (specs.precision > num_digits) + { + size = prefix.size() + to_unsigned(specs.precision); + padding = to_unsigned(specs.precision - num_digits); + fill = static_cast('0'); + } + if (specs.align == align::none) + specs.align = align::right; + write_padded(specs, padded_int_writer{size, prefix, fill, padding, f}); } - struct hex_writer { - int_writer& self; - int num_digits; - - template void operator()(It&& it) const { - it = format_uint<4, char_type>(it, self.abs_value, num_digits, - self.specs.type != 'x'); - } - }; - - void on_hex() { - if (specs.alt) { - prefix[prefix_size++] = '0'; - prefix[prefix_size++] = specs.type; - } - int num_digits = count_digits<4>(abs_value); - writer.write_int(num_digits, get_prefix(), specs, - hex_writer{*this, num_digits}); + // Writes a decimal integer. + template + void write_decimal(Int value) + { + auto abs_value = static_cast>(value); + bool negative = is_negative(value); + // Don't do -abs_value since it trips unsigned-integer-overflow sanitizer. + if (negative) + abs_value = ~abs_value + 1; + int num_digits = count_digits(abs_value); + auto &&it = reserve((negative ? 1 : 0) + static_cast(num_digits)); + if (negative) + *it++ = static_cast('-'); + it = format_decimal(it, abs_value, num_digits); } - template struct bin_writer { - unsigned_type abs_value; - int num_digits; + // The handle_int_type_spec handler that writes an integer. + template + struct int_writer + { + using unsigned_type = uint32_or_64_or_128_t; - template void operator()(It&& it) const { - it = format_uint(it, abs_value, num_digits); - } - }; + basic_writer &writer; + const Specs &specs; + unsigned_type abs_value; + char prefix[4]; + unsigned prefix_size; - void on_bin() { - if (specs.alt) { - prefix[prefix_size++] = '0'; - prefix[prefix_size++] = static_cast(specs.type); - } - int num_digits = count_digits<1>(abs_value); - writer.write_int(num_digits, get_prefix(), specs, - bin_writer<1>{abs_value, num_digits}); - } + string_view get_prefix() const + { + return string_view(prefix, prefix_size); + } - void on_oct() { - int num_digits = count_digits<3>(abs_value); - if (specs.alt && specs.precision <= num_digits && abs_value != 0) { - // Octal prefix '0' is counted as a digit, so only add it if precision - // is not greater than the number of digits. - prefix[prefix_size++] = '0'; - } - writer.write_int(num_digits, get_prefix(), specs, - bin_writer<3>{abs_value, num_digits}); - } + int_writer(basic_writer &w, Int value, const Specs &s) + : writer(w) + , specs(s) + , abs_value(static_cast(value)) + , prefix_size(0) + { + if (is_negative(value)) + { + prefix[0] = '-'; + ++prefix_size; + abs_value = 0 - abs_value; + } + else if (specs.sign != sign::none && specs.sign != sign::minus) + { + prefix[0] = specs.sign == sign::plus ? '+' : ' '; + ++prefix_size; + } + } - enum { sep_size = 1 }; + struct dec_writer + { + unsigned_type abs_value; + int num_digits; - struct num_writer { - unsigned_type abs_value; - int size; - const std::string& groups; - char_type sep; + template + void operator()(It &&it) const + { + it = internal::format_decimal(it, abs_value, num_digits); + } + }; - template void operator()(It&& it) const { - basic_string_view s(&sep, sep_size); - // Index of a decimal digit with the least significant digit having - // index 0. - int digit_index = 0; - std::string::const_iterator group = groups.cbegin(); - it = format_decimal( - it, abs_value, size, - [this, s, &group, &digit_index](char_type*& buffer) { - if (*group <= 0 || ++digit_index % *group != 0 || - *group == max_value()) - return; - if (group + 1 != groups.cend()) { - digit_index = 0; + void on_dec() + { + int num_digits = count_digits(abs_value); + writer.write_int(num_digits, get_prefix(), specs, dec_writer{abs_value, num_digits}); + } + + struct hex_writer + { + int_writer &self; + int num_digits; + + template + void operator()(It &&it) const + { + it = format_uint<4, char_type>(it, self.abs_value, num_digits, self.specs.type != 'x'); + } + }; + + void on_hex() + { + if (specs.alt) + { + prefix[prefix_size++] = '0'; + prefix[prefix_size++] = specs.type; + } + int num_digits = count_digits<4>(abs_value); + writer.write_int(num_digits, get_prefix(), specs, hex_writer{*this, num_digits}); + } + + template + struct bin_writer + { + unsigned_type abs_value; + int num_digits; + + template + void operator()(It &&it) const + { + it = format_uint(it, abs_value, num_digits); + } + }; + + void on_bin() + { + if (specs.alt) + { + prefix[prefix_size++] = '0'; + prefix[prefix_size++] = static_cast(specs.type); + } + int num_digits = count_digits<1>(abs_value); + writer.write_int(num_digits, get_prefix(), specs, bin_writer<1>{abs_value, num_digits}); + } + + void on_oct() + { + int num_digits = count_digits<3>(abs_value); + if (specs.alt && specs.precision <= num_digits && abs_value != 0) + { + // Octal prefix '0' is counted as a digit, so only add it if precision + // is not greater than the number of digits. + prefix[prefix_size++] = '0'; + } + writer.write_int(num_digits, get_prefix(), specs, bin_writer<3>{abs_value, num_digits}); + } + + enum + { + sep_size = 1 + }; + + struct num_writer + { + unsigned_type abs_value; + int size; + const std::string &groups; + char_type sep; + + template + void operator()(It &&it) const + { + basic_string_view s(&sep, sep_size); + // Index of a decimal digit with the least significant digit having + // index 0. + int digit_index = 0; + std::string::const_iterator group = groups.cbegin(); + it = format_decimal(it, abs_value, size, [this, s, &group, &digit_index](char_type *&buffer) { + if (*group <= 0 || ++digit_index % *group != 0 || *group == max_value()) + return; + if (group + 1 != groups.cend()) + { + digit_index = 0; + ++group; + } + buffer -= s.size(); + std::uninitialized_copy(s.data(), s.data() + s.size(), make_checked(buffer, s.size())); + }); + } + }; + + void on_num() + { + std::string groups = grouping(writer.locale_); + if (groups.empty()) + return on_dec(); + auto sep = thousands_sep(writer.locale_); + if (!sep) + return on_dec(); + int num_digits = count_digits(abs_value); + int size = num_digits; + std::string::const_iterator group = groups.cbegin(); + while (group != groups.cend() && num_digits > *group && *group > 0 && *group != max_value()) + { + size += sep_size; + num_digits -= *group; ++group; - } - buffer -= s.size(); - std::uninitialized_copy(s.data(), s.data() + s.size(), - make_checked(buffer, s.size())); - }); - } + } + if (group == groups.cend()) + size += sep_size * ((num_digits - 1) / groups.back()); + writer.write_int(size, get_prefix(), specs, num_writer{abs_value, size, groups, sep}); + } + + FMT_NORETURN void on_error() + { + FMT_THROW(format_error("invalid type specifier")); + } }; - void on_num() { - std::string groups = grouping(writer.locale_); - if (groups.empty()) return on_dec(); - auto sep = thousands_sep(writer.locale_); - if (!sep) return on_dec(); - int num_digits = count_digits(abs_value); - int size = num_digits; - std::string::const_iterator group = groups.cbegin(); - while (group != groups.cend() && num_digits > *group && *group > 0 && - *group != max_value()) { - size += sep_size; - num_digits -= *group; - ++group; - } - if (group == groups.cend()) - size += sep_size * ((num_digits - 1) / groups.back()); - writer.write_int(size, get_prefix(), specs, - num_writer{abs_value, size, groups, sep}); + template + struct str_writer + { + const Char *s; + size_t size_; + + size_t size() const + { + return size_; + } + size_t width() const + { + return count_code_points(basic_string_view(s, size_)); + } + + template + void operator()(It &&it) const + { + it = copy_str(s, s + size_, it); + } + }; + + template + struct pointer_writer + { + UIntPtr value; + int num_digits; + + size_t size() const + { + return to_unsigned(num_digits) + 2; + } + size_t width() const + { + return size(); + } + + template + void operator()(It &&it) const + { + *it++ = static_cast('0'); + *it++ = static_cast('x'); + it = format_uint<4, char_type>(it, value, num_digits); + } + }; + +public: + explicit basic_writer(Range out, locale_ref loc = locale_ref()) + : out_(out.begin()) + , locale_(loc) + {} + + iterator out() const + { + return out_; } - FMT_NORETURN void on_error() { - FMT_THROW(format_error("invalid type specifier")); - } - }; - - template struct str_writer { - const Char* s; - size_t size_; - - size_t size() const { return size_; } - size_t width() const { - return count_code_points(basic_string_view(s, size_)); + // Writes a value in the format + // + // where is written by f(it). + template + void write_padded(const format_specs &specs, F &&f) + { + // User-perceived width (in code points). + unsigned width = to_unsigned(specs.width); + size_t size = f.size(); // The number of code units. + size_t num_code_points = width != 0 ? f.width() : size; + if (width <= num_code_points) + return f(reserve(size)); + auto &&it = reserve(width + (size - num_code_points)); + char_type fill = specs.fill[0]; + std::size_t padding = width - num_code_points; + if (specs.align == align::right) + { + it = std::fill_n(it, padding, fill); + f(it); + } + else if (specs.align == align::center) + { + std::size_t left_padding = padding / 2; + it = std::fill_n(it, left_padding, fill); + f(it); + it = std::fill_n(it, padding - left_padding, fill); + } + else + { + f(it); + it = std::fill_n(it, padding, fill); + } } - template void operator()(It&& it) const { - it = copy_str(s, s + size_, it); + void write(int value) + { + write_decimal(value); } - }; - - template struct pointer_writer { - UIntPtr value; - int num_digits; - - size_t size() const { return to_unsigned(num_digits) + 2; } - size_t width() const { return size(); } - - template void operator()(It&& it) const { - *it++ = static_cast('0'); - *it++ = static_cast('x'); - it = format_uint<4, char_type>(it, value, num_digits); + void write(long value) + { + write_decimal(value); } - }; - - public: - explicit basic_writer(Range out, locale_ref loc = locale_ref()) - : out_(out.begin()), locale_(loc) {} - - iterator out() const { return out_; } - - // Writes a value in the format - // - // where is written by f(it). - template void write_padded(const format_specs& specs, F&& f) { - // User-perceived width (in code points). - unsigned width = to_unsigned(specs.width); - size_t size = f.size(); // The number of code units. - size_t num_code_points = width != 0 ? f.width() : size; - if (width <= num_code_points) return f(reserve(size)); - auto&& it = reserve(width + (size - num_code_points)); - char_type fill = specs.fill[0]; - std::size_t padding = width - num_code_points; - if (specs.align == align::right) { - it = std::fill_n(it, padding, fill); - f(it); - } else if (specs.align == align::center) { - std::size_t left_padding = padding / 2; - it = std::fill_n(it, left_padding, fill); - f(it); - it = std::fill_n(it, padding - left_padding, fill); - } else { - f(it); - it = std::fill_n(it, padding, fill); + void write(long long value) + { + write_decimal(value); } - } - void write(int value) { write_decimal(value); } - void write(long value) { write_decimal(value); } - void write(long long value) { write_decimal(value); } - - void write(unsigned value) { write_decimal(value); } - void write(unsigned long value) { write_decimal(value); } - void write(unsigned long long value) { write_decimal(value); } + void write(unsigned value) + { + write_decimal(value); + } + void write(unsigned long value) + { + write_decimal(value); + } + void write(unsigned long long value) + { + write_decimal(value); + } #if FMT_USE_INT128 - void write(int128_t value) { write_decimal(value); } - void write(uint128_t value) { write_decimal(value); } + void write(int128_t value) + { + write_decimal(value); + } + void write(uint128_t value) + { + write_decimal(value); + } #endif - template - void write_int(T value, const Spec& spec) { - handle_int_type_spec(spec.type, int_writer(*this, value, spec)); - } - - template ::value)> - void write(T value, format_specs specs = {}) { - float_specs fspecs = parse_float_type_spec(specs); - fspecs.sign = specs.sign; - if (std::signbit(value)) { // value < 0 is false for NaN so use signbit. - fspecs.sign = sign::minus; - value = -value; - } else if (fspecs.sign == sign::minus) { - fspecs.sign = sign::none; + template + void write_int(T value, const Spec &spec) + { + handle_int_type_spec(spec.type, int_writer(*this, value, spec)); } - if (!std::isfinite(value)) { - auto str = std::isinf(value) ? (fspecs.upper ? "INF" : "inf") - : (fspecs.upper ? "NAN" : "nan"); - return write_padded(specs, nonfinite_writer{fspecs.sign, str}); + template::value)> + void write(T value, format_specs specs = {}) + { + float_specs fspecs = parse_float_type_spec(specs); + fspecs.sign = specs.sign; + if (std::signbit(value)) + { // value < 0 is false for NaN so use signbit. + fspecs.sign = sign::minus; + value = -value; + } + else if (fspecs.sign == sign::minus) + { + fspecs.sign = sign::none; + } + + if (!std::isfinite(value)) + { + auto str = std::isinf(value) ? (fspecs.upper ? "INF" : "inf") : (fspecs.upper ? "NAN" : "nan"); + return write_padded(specs, nonfinite_writer{fspecs.sign, str}); + } + + if (specs.align == align::none) + { + specs.align = align::right; + } + else if (specs.align == align::numeric) + { + if (fspecs.sign) + { + auto &&it = reserve(1); + *it++ = static_cast(data::signs[fspecs.sign]); + fspecs.sign = sign::none; + if (specs.width != 0) + --specs.width; + } + specs.align = align::right; + } + + memory_buffer buffer; + if (fspecs.format == float_format::hex) + { + if (fspecs.sign) + buffer.push_back(data::signs[fspecs.sign]); + snprintf_float(promote_float(value), specs.precision, fspecs, buffer); + write_padded(specs, str_writer{buffer.data(), buffer.size()}); + return; + } + int precision = specs.precision >= 0 || !specs.type ? specs.precision : 6; + if (fspecs.format == float_format::exp) + ++precision; + if (const_check(std::is_same())) + fspecs.binary32 = true; + fspecs.use_grisu = use_grisu(); + if (const_check(FMT_DEPRECATED_PERCENT) && fspecs.percent) + value *= 100; + int exp = format_float(promote_float(value), precision, fspecs, buffer); + if (const_check(FMT_DEPRECATED_PERCENT) && fspecs.percent) + { + buffer.push_back('%'); + --exp; // Adjust decimal place position. + } + fspecs.precision = precision; + char_type point = fspecs.locale ? decimal_point(locale_) : static_cast('.'); + write_padded(specs, float_writer(buffer.data(), static_cast(buffer.size()), exp, fspecs, point)); } - if (specs.align == align::none) { - specs.align = align::right; - } else if (specs.align == align::numeric) { - if (fspecs.sign) { - auto&& it = reserve(1); - *it++ = static_cast(data::signs[fspecs.sign]); - fspecs.sign = sign::none; - if (specs.width != 0) --specs.width; - } - specs.align = align::right; + void write(char value) + { + auto &&it = reserve(1); + *it++ = value; } - memory_buffer buffer; - if (fspecs.format == float_format::hex) { - if (fspecs.sign) buffer.push_back(data::signs[fspecs.sign]); - snprintf_float(promote_float(value), specs.precision, fspecs, buffer); - write_padded(specs, str_writer{buffer.data(), buffer.size()}); - return; + template::value)> + void write(Char value) + { + auto &&it = reserve(1); + *it++ = value; } - int precision = specs.precision >= 0 || !specs.type ? specs.precision : 6; - if (fspecs.format == float_format::exp) ++precision; - if (const_check(std::is_same())) fspecs.binary32 = true; - fspecs.use_grisu = use_grisu(); - if (const_check(FMT_DEPRECATED_PERCENT) && fspecs.percent) value *= 100; - int exp = format_float(promote_float(value), precision, fspecs, buffer); - if (const_check(FMT_DEPRECATED_PERCENT) && fspecs.percent) { - buffer.push_back('%'); - --exp; // Adjust decimal place position. + + void write(string_view value) + { + auto &&it = reserve(value.size()); + it = copy_str(value.begin(), value.end(), it); + } + void write(wstring_view value) + { + static_assert(std::is_same::value, ""); + auto &&it = reserve(value.size()); + it = std::copy(value.begin(), value.end(), it); } - fspecs.precision = precision; - char_type point = fspecs.locale ? decimal_point(locale_) - : static_cast('.'); - write_padded(specs, float_writer(buffer.data(), - static_cast(buffer.size()), - exp, fspecs, point)); - } - void write(char value) { - auto&& it = reserve(1); - *it++ = value; - } + template + void write(const Char *s, std::size_t size, const format_specs &specs) + { + write_padded(specs, str_writer{s, size}); + } - template ::value)> - void write(Char value) { - auto&& it = reserve(1); - *it++ = value; - } + template + void write(basic_string_view s, const format_specs &specs = {}) + { + const Char *data = s.data(); + std::size_t size = s.size(); + if (specs.precision >= 0 && to_unsigned(specs.precision) < size) + size = code_point_index(s, to_unsigned(specs.precision)); + write(data, size, specs); + } - void write(string_view value) { - auto&& it = reserve(value.size()); - it = copy_str(value.begin(), value.end(), it); - } - void write(wstring_view value) { - static_assert(std::is_same::value, ""); - auto&& it = reserve(value.size()); - it = std::copy(value.begin(), value.end(), it); - } - - template - void write(const Char* s, std::size_t size, const format_specs& specs) { - write_padded(specs, str_writer{s, size}); - } - - template - void write(basic_string_view s, const format_specs& specs = {}) { - const Char* data = s.data(); - std::size_t size = s.size(); - if (specs.precision >= 0 && to_unsigned(specs.precision) < size) - size = code_point_index(s, to_unsigned(specs.precision)); - write(data, size, specs); - } - - template - void write_pointer(UIntPtr value, const format_specs* specs) { - int num_digits = count_digits<4>(value); - auto pw = pointer_writer{value, num_digits}; - if (!specs) return pw(reserve(to_unsigned(num_digits) + 2)); - format_specs specs_copy = *specs; - if (specs_copy.align == align::none) specs_copy.align = align::right; - write_padded(specs_copy, pw); - } + template + void write_pointer(UIntPtr value, const format_specs *specs) + { + int num_digits = count_digits<4>(value); + auto pw = pointer_writer{value, num_digits}; + if (!specs) + return pw(reserve(to_unsigned(num_digits) + 2)); + format_specs specs_copy = *specs; + if (specs_copy.align == align::none) + specs_copy.align = align::right; + write_padded(specs_copy, pw); + } }; using writer = basic_writer>; -template struct is_integral : std::is_integral {}; -template <> struct is_integral : std::true_type {}; -template <> struct is_integral : std::true_type {}; +template +struct is_integral : std::is_integral +{}; +template<> +struct is_integral : std::true_type +{}; +template<> +struct is_integral : std::true_type +{}; -template -class arg_formatter_base { - public: - using char_type = typename Range::value_type; - using iterator = typename Range::iterator; - using format_specs = basic_format_specs; +template +class arg_formatter_base +{ +public: + using char_type = typename Range::value_type; + using iterator = typename Range::iterator; + using format_specs = basic_format_specs; - private: - using writer_type = basic_writer; - writer_type writer_; - format_specs* specs_; +private: + using writer_type = basic_writer; + writer_type writer_; + format_specs *specs_; - struct char_writer { - char_type value; + struct char_writer + { + char_type value; - size_t size() const { return 1; } - size_t width() const { return 1; } + size_t size() const + { + return 1; + } + size_t width() const + { + return 1; + } - template void operator()(It&& it) const { *it++ = value; } - }; + template + void operator()(It &&it) const + { + *it++ = value; + } + }; - void write_char(char_type value) { - if (specs_) - writer_.write_padded(*specs_, char_writer{value}); - else - writer_.write(value); - } - - void write_pointer(const void* p) { - writer_.write_pointer(internal::to_uintptr(p), specs_); - } - - protected: - writer_type& writer() { return writer_; } - FMT_DEPRECATED format_specs* spec() { return specs_; } - format_specs* specs() { return specs_; } - iterator out() { return writer_.out(); } - - void write(bool value) { - string_view sv(value ? "true" : "false"); - specs_ ? writer_.write(sv, *specs_) : writer_.write(sv); - } - - void write(const char_type* value) { - if (!value) { - FMT_THROW(format_error("string pointer is null")); - } else { - auto length = std::char_traits::length(value); - basic_string_view sv(value, length); - specs_ ? writer_.write(sv, *specs_) : writer_.write(sv); + void write_char(char_type value) + { + if (specs_) + writer_.write_padded(*specs_, char_writer{value}); + else + writer_.write(value); } - } - public: - arg_formatter_base(Range r, format_specs* s, locale_ref loc) - : writer_(r, loc), specs_(s) {} - - iterator operator()(monostate) { - FMT_ASSERT(false, "invalid argument type"); - return out(); - } - - template ::value)> - iterator operator()(T value) { - if (specs_) - writer_.write_int(value, *specs_); - else - writer_.write(value); - return out(); - } - - iterator operator()(char_type value) { - internal::handle_char_specs( - specs_, char_spec_handler(*this, static_cast(value))); - return out(); - } - - iterator operator()(bool value) { - if (specs_ && specs_->type) return (*this)(value ? 1 : 0); - write(value != 0); - return out(); - } - - template ::value)> - iterator operator()(T value) { - writer_.write(value, specs_ ? *specs_ : format_specs()); - return out(); - } - - struct char_spec_handler : ErrorHandler { - arg_formatter_base& formatter; - char_type value; - - char_spec_handler(arg_formatter_base& f, char_type val) - : formatter(f), value(val) {} - - void on_int() { - if (formatter.specs_) - formatter.writer_.write_int(value, *formatter.specs_); - else - formatter.writer_.write(value); + void write_pointer(const void *p) + { + writer_.write_pointer(internal::to_uintptr(p), specs_); } - void on_char() { formatter.write_char(value); } - }; - struct cstring_spec_handler : internal::error_handler { - arg_formatter_base& formatter; - const char_type* value; - - cstring_spec_handler(arg_formatter_base& f, const char_type* val) - : formatter(f), value(val) {} - - void on_string() { formatter.write(value); } - void on_pointer() { formatter.write_pointer(value); } - }; - - iterator operator()(const char_type* value) { - if (!specs_) return write(value), out(); - internal::handle_cstring_type_spec(specs_->type, - cstring_spec_handler(*this, value)); - return out(); - } - - iterator operator()(basic_string_view value) { - if (specs_) { - internal::check_string_type_spec(specs_->type, internal::error_handler()); - writer_.write(value, *specs_); - } else { - writer_.write(value); +protected: + writer_type &writer() + { + return writer_; + } + FMT_DEPRECATED format_specs *spec() + { + return specs_; + } + format_specs *specs() + { + return specs_; + } + iterator out() + { + return writer_.out(); } - return out(); - } - iterator operator()(const void* value) { - if (specs_) - check_pointer_type_spec(specs_->type, internal::error_handler()); - write_pointer(value); - return out(); - } + void write(bool value) + { + string_view sv(value ? "true" : "false"); + specs_ ? writer_.write(sv, *specs_) : writer_.write(sv); + } + + void write(const char_type *value) + { + if (!value) + { + FMT_THROW(format_error("string pointer is null")); + } + else + { + auto length = std::char_traits::length(value); + basic_string_view sv(value, length); + specs_ ? writer_.write(sv, *specs_) : writer_.write(sv); + } + } + +public: + arg_formatter_base(Range r, format_specs *s, locale_ref loc) + : writer_(r, loc) + , specs_(s) + {} + + iterator operator()(monostate) + { + FMT_ASSERT(false, "invalid argument type"); + return out(); + } + + template::value)> + iterator operator()(T value) + { + if (specs_) + writer_.write_int(value, *specs_); + else + writer_.write(value); + return out(); + } + + iterator operator()(char_type value) + { + internal::handle_char_specs(specs_, char_spec_handler(*this, static_cast(value))); + return out(); + } + + iterator operator()(bool value) + { + if (specs_ && specs_->type) + return (*this)(value ? 1 : 0); + write(value != 0); + return out(); + } + + template::value)> + iterator operator()(T value) + { + writer_.write(value, specs_ ? *specs_ : format_specs()); + return out(); + } + + struct char_spec_handler : ErrorHandler + { + arg_formatter_base &formatter; + char_type value; + + char_spec_handler(arg_formatter_base &f, char_type val) + : formatter(f) + , value(val) + {} + + void on_int() + { + if (formatter.specs_) + formatter.writer_.write_int(value, *formatter.specs_); + else + formatter.writer_.write(value); + } + void on_char() + { + formatter.write_char(value); + } + }; + + struct cstring_spec_handler : internal::error_handler + { + arg_formatter_base &formatter; + const char_type *value; + + cstring_spec_handler(arg_formatter_base &f, const char_type *val) + : formatter(f) + , value(val) + {} + + void on_string() + { + formatter.write(value); + } + void on_pointer() + { + formatter.write_pointer(value); + } + }; + + iterator operator()(const char_type *value) + { + if (!specs_) + return write(value), out(); + internal::handle_cstring_type_spec(specs_->type, cstring_spec_handler(*this, value)); + return out(); + } + + iterator operator()(basic_string_view value) + { + if (specs_) + { + internal::check_string_type_spec(specs_->type, internal::error_handler()); + writer_.write(value, *specs_); + } + else + { + writer_.write(value); + } + return out(); + } + + iterator operator()(const void *value) + { + if (specs_) + check_pointer_type_spec(specs_->type, internal::error_handler()); + write_pointer(value); + return out(); + } }; -template FMT_CONSTEXPR bool is_name_start(Char c) { - return ('a' <= c && c <= 'z') || ('A' <= c && c <= 'Z') || '_' == c; +template +FMT_CONSTEXPR bool is_name_start(Char c) +{ + return ('a' <= c && c <= 'z') || ('A' <= c && c <= 'Z') || '_' == c; } // 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 int parse_nonnegative_int(const Char*& begin, const Char* end, - ErrorHandler&& eh) { - FMT_ASSERT(begin != end && '0' <= *begin && *begin <= '9', ""); - if (*begin == '0') { - ++begin; - return 0; - } - unsigned value = 0; - // Convert to unsigned to prevent a warning. - constexpr unsigned max_int = max_value(); - unsigned big = max_int / 10; - do { - // Check for overflow. - if (value > big) { - value = max_int + 1; - break; +template +FMT_CONSTEXPR int parse_nonnegative_int(const Char *&begin, const Char *end, ErrorHandler &&eh) +{ + FMT_ASSERT(begin != end && '0' <= *begin && *begin <= '9', ""); + if (*begin == '0') + { + ++begin; + return 0; } - value = value * 10 + unsigned(*begin - '0'); - ++begin; - } while (begin != end && '0' <= *begin && *begin <= '9'); - if (value > max_int) eh.on_error("number is too big"); - return static_cast(value); + unsigned value = 0; + // Convert to unsigned to prevent a warning. + constexpr unsigned max_int = max_value(); + unsigned big = max_int / 10; + do + { + // Check for overflow. + if (value > big) + { + value = max_int + 1; + break; + } + value = value * 10 + unsigned(*begin - '0'); + ++begin; + } while (begin != end && '0' <= *begin && *begin <= '9'); + if (value > max_int) + eh.on_error("number is too big"); + return static_cast(value); } -template class custom_formatter { - private: - using char_type = typename Context::char_type; +template +class custom_formatter +{ +private: + using char_type = typename Context::char_type; - basic_format_parse_context& parse_ctx_; - Context& ctx_; + basic_format_parse_context &parse_ctx_; + Context &ctx_; - public: - explicit custom_formatter(basic_format_parse_context& parse_ctx, - Context& ctx) - : parse_ctx_(parse_ctx), ctx_(ctx) {} +public: + explicit custom_formatter(basic_format_parse_context &parse_ctx, Context &ctx) + : parse_ctx_(parse_ctx) + , ctx_(ctx) + {} - bool operator()(typename basic_format_arg::handle h) const { - h.format(parse_ctx_, ctx_); - return true; - } + bool operator()(typename basic_format_arg::handle h) const + { + h.format(parse_ctx_, ctx_); + return true; + } - template bool operator()(T) const { return false; } + template + bool operator()(T) const + { + return false; + } }; -template -using is_integer = - bool_constant::value && !std::is_same::value && - !std::is_same::value && - !std::is_same::value>; +template +using is_integer = bool_constant::value && !std::is_same::value && !std::is_same::value && + !std::is_same::value>; -template class width_checker { - public: - explicit FMT_CONSTEXPR width_checker(ErrorHandler& eh) : handler_(eh) {} +template +class width_checker +{ +public: + explicit FMT_CONSTEXPR width_checker(ErrorHandler &eh) + : handler_(eh) + {} - template ::value)> - FMT_CONSTEXPR unsigned long long operator()(T value) { - if (is_negative(value)) handler_.on_error("negative width"); - return static_cast(value); - } + template::value)> + FMT_CONSTEXPR unsigned long long operator()(T value) + { + if (is_negative(value)) + handler_.on_error("negative width"); + return static_cast(value); + } - template ::value)> - FMT_CONSTEXPR unsigned long long operator()(T) { - handler_.on_error("width is not integer"); - return 0; - } + template::value)> + FMT_CONSTEXPR unsigned long long operator()(T) + { + handler_.on_error("width is not integer"); + return 0; + } - private: - ErrorHandler& handler_; +private: + ErrorHandler &handler_; }; -template class precision_checker { - public: - explicit FMT_CONSTEXPR precision_checker(ErrorHandler& eh) : handler_(eh) {} +template +class precision_checker +{ +public: + explicit FMT_CONSTEXPR precision_checker(ErrorHandler &eh) + : handler_(eh) + {} - template ::value)> - FMT_CONSTEXPR unsigned long long operator()(T value) { - if (is_negative(value)) handler_.on_error("negative precision"); - return static_cast(value); - } + template::value)> + FMT_CONSTEXPR unsigned long long operator()(T value) + { + if (is_negative(value)) + handler_.on_error("negative precision"); + return static_cast(value); + } - template ::value)> - FMT_CONSTEXPR unsigned long long operator()(T) { - handler_.on_error("precision is not integer"); - return 0; - } + template::value)> + FMT_CONSTEXPR unsigned long long operator()(T) + { + handler_.on_error("precision is not integer"); + return 0; + } - private: - ErrorHandler& handler_; +private: + ErrorHandler &handler_; }; // A format specifier handler that sets fields in basic_format_specs. -template class specs_setter { - public: - explicit FMT_CONSTEXPR specs_setter(basic_format_specs& specs) - : specs_(specs) {} +template +class specs_setter +{ +public: + explicit FMT_CONSTEXPR specs_setter(basic_format_specs &specs) + : specs_(specs) + {} - FMT_CONSTEXPR specs_setter(const specs_setter& other) - : specs_(other.specs_) {} + FMT_CONSTEXPR specs_setter(const specs_setter &other) + : specs_(other.specs_) + {} - FMT_CONSTEXPR void on_align(align_t align) { specs_.align = align; } - FMT_CONSTEXPR void on_fill(Char fill) { specs_.fill[0] = fill; } - FMT_CONSTEXPR void on_plus() { specs_.sign = sign::plus; } - FMT_CONSTEXPR void on_minus() { specs_.sign = sign::minus; } - FMT_CONSTEXPR void on_space() { specs_.sign = sign::space; } - FMT_CONSTEXPR void on_hash() { specs_.alt = true; } + FMT_CONSTEXPR void on_align(align_t align) + { + specs_.align = align; + } + FMT_CONSTEXPR void on_fill(Char fill) + { + specs_.fill[0] = fill; + } + FMT_CONSTEXPR void on_plus() + { + specs_.sign = sign::plus; + } + FMT_CONSTEXPR void on_minus() + { + specs_.sign = sign::minus; + } + FMT_CONSTEXPR void on_space() + { + specs_.sign = sign::space; + } + FMT_CONSTEXPR void on_hash() + { + specs_.alt = true; + } - FMT_CONSTEXPR void on_zero() { - specs_.align = align::numeric; - specs_.fill[0] = Char('0'); - } + FMT_CONSTEXPR void on_zero() + { + specs_.align = align::numeric; + specs_.fill[0] = Char('0'); + } - FMT_CONSTEXPR void on_width(int width) { specs_.width = width; } - FMT_CONSTEXPR void on_precision(int precision) { - specs_.precision = precision; - } - FMT_CONSTEXPR void end_precision() {} + FMT_CONSTEXPR void on_width(int width) + { + specs_.width = width; + } + FMT_CONSTEXPR void on_precision(int precision) + { + specs_.precision = precision; + } + FMT_CONSTEXPR void end_precision() {} - FMT_CONSTEXPR void on_type(Char type) { - specs_.type = static_cast(type); - } + FMT_CONSTEXPR void on_type(Char type) + { + specs_.type = static_cast(type); + } - protected: - basic_format_specs& specs_; +protected: + basic_format_specs &specs_; }; -template class numeric_specs_checker { - public: - FMT_CONSTEXPR numeric_specs_checker(ErrorHandler& eh, internal::type arg_type) - : error_handler_(eh), arg_type_(arg_type) {} +template +class numeric_specs_checker +{ +public: + FMT_CONSTEXPR numeric_specs_checker(ErrorHandler &eh, internal::type arg_type) + : error_handler_(eh) + , arg_type_(arg_type) + {} - FMT_CONSTEXPR void require_numeric_argument() { - if (!is_arithmetic_type(arg_type_)) - error_handler_.on_error("format specifier requires numeric argument"); - } - - FMT_CONSTEXPR void check_sign() { - require_numeric_argument(); - if (is_integral_type(arg_type_) && arg_type_ != int_type && - arg_type_ != long_long_type && arg_type_ != internal::char_type) { - error_handler_.on_error("format specifier requires signed argument"); + FMT_CONSTEXPR void require_numeric_argument() + { + if (!is_arithmetic_type(arg_type_)) + error_handler_.on_error("format specifier requires numeric argument"); } - } - FMT_CONSTEXPR void check_precision() { - if (is_integral_type(arg_type_) || arg_type_ == internal::pointer_type) - error_handler_.on_error("precision not allowed for this argument type"); - } + FMT_CONSTEXPR void check_sign() + { + require_numeric_argument(); + if (is_integral_type(arg_type_) && arg_type_ != int_type && arg_type_ != long_long_type && arg_type_ != internal::char_type) + { + error_handler_.on_error("format specifier requires signed argument"); + } + } - private: - ErrorHandler& error_handler_; - internal::type arg_type_; + FMT_CONSTEXPR void check_precision() + { + if (is_integral_type(arg_type_) || arg_type_ == internal::pointer_type) + error_handler_.on_error("precision not allowed for this argument type"); + } + +private: + ErrorHandler &error_handler_; + internal::type arg_type_; }; // A format specifier handler that checks if specifiers are consistent with the // argument type. -template class specs_checker : public Handler { - public: - FMT_CONSTEXPR specs_checker(const Handler& handler, internal::type arg_type) - : Handler(handler), checker_(*this, arg_type) {} +template +class specs_checker : public Handler +{ +public: + FMT_CONSTEXPR specs_checker(const Handler &handler, internal::type arg_type) + : Handler(handler) + , checker_(*this, arg_type) + {} - FMT_CONSTEXPR specs_checker(const specs_checker& other) - : Handler(other), checker_(*this, other.arg_type_) {} + FMT_CONSTEXPR specs_checker(const specs_checker &other) + : Handler(other) + , checker_(*this, other.arg_type_) + {} - FMT_CONSTEXPR void on_align(align_t align) { - if (align == align::numeric) checker_.require_numeric_argument(); - Handler::on_align(align); - } + FMT_CONSTEXPR void on_align(align_t align) + { + if (align == align::numeric) + checker_.require_numeric_argument(); + Handler::on_align(align); + } - FMT_CONSTEXPR void on_plus() { - checker_.check_sign(); - Handler::on_plus(); - } + FMT_CONSTEXPR void on_plus() + { + checker_.check_sign(); + Handler::on_plus(); + } - FMT_CONSTEXPR void on_minus() { - checker_.check_sign(); - Handler::on_minus(); - } + FMT_CONSTEXPR void on_minus() + { + checker_.check_sign(); + Handler::on_minus(); + } - FMT_CONSTEXPR void on_space() { - checker_.check_sign(); - Handler::on_space(); - } + FMT_CONSTEXPR void on_space() + { + checker_.check_sign(); + Handler::on_space(); + } - FMT_CONSTEXPR void on_hash() { - checker_.require_numeric_argument(); - Handler::on_hash(); - } + FMT_CONSTEXPR void on_hash() + { + checker_.require_numeric_argument(); + Handler::on_hash(); + } - FMT_CONSTEXPR void on_zero() { - checker_.require_numeric_argument(); - Handler::on_zero(); - } + FMT_CONSTEXPR void on_zero() + { + checker_.require_numeric_argument(); + Handler::on_zero(); + } - FMT_CONSTEXPR void end_precision() { checker_.check_precision(); } + FMT_CONSTEXPR void end_precision() + { + checker_.check_precision(); + } - private: - numeric_specs_checker checker_; +private: + numeric_specs_checker checker_; }; -template