42 lines · cpp
1//===- Logging.cpp --------------------------------------------------------===//2//3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.4// See https://llvm.org/LICENSE.txt for license information.5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception6//7//===----------------------------------------------------------------------===//8 9#include "llvm/Support/LSP/Logging.h"10#include "llvm/Support/Chrono.h"11#include "llvm/Support/raw_ostream.h"12 13using namespace llvm;14using namespace llvm::lsp;15 16void Logger::setLogLevel(Level LogLevel) { get().LogLevel = LogLevel; }17 18Logger &Logger::get() {19 static Logger Logger;20 return Logger;21}22 23void Logger::log(Level LogLevel, const char *Fmt,24 const llvm::formatv_object_base &Message) {25 Logger &Logger = get();26 27 // Ignore messages with log levels below the current setting in the logger.28 if (LogLevel < Logger.LogLevel)29 return;30 31 // An indicator character for each log level.32 const char *LogLevelIndicators = "DIE";33 34 // Format the message and print to errs.35 llvm::sys::TimePoint<> Timestamp = std::chrono::system_clock::now();36 std::lock_guard<std::mutex> LogGuard(Logger.Mutex);37 llvm::errs() << llvm::formatv(38 "{0}[{1:%H:%M:%S.%L}] {2}\n",39 LogLevelIndicators[static_cast<unsigned>(LogLevel)], Timestamp, Message);40 llvm::errs().flush();41}42