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//===- Logging.cpp --------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#include "llvm/Support/LSP/Logging.h"
#include "llvm/Support/Chrono.h"
#include "llvm/Support/raw_ostream.h"
using namespace llvm;
using namespace llvm::lsp;
void Logger::setLogLevel(Level LogLevel) { get().LogLevel = LogLevel; }
Logger &Logger::get() {
static Logger Logger;
return Logger;
}
void Logger::log(Level LogLevel, const char *Fmt,
const llvm::formatv_object_base &Message) {
Logger &Logger = get();
// Ignore messages with log levels below the current setting in the logger.
if (LogLevel < Logger.LogLevel)
return;
// An indicator character for each log level.
const char *LogLevelIndicators = "DIE";
// Format the message and print to errs.
llvm::sys::TimePoint<> Timestamp = std::chrono::system_clock::now();
std::lock_guard<std::mutex> LogGuard(Logger.Mutex);
llvm::errs() << llvm::formatv(
"{0}[{1:%H:%M:%S.%L}] {2}\n",
LogLevelIndicators[static_cast<unsigned>(LogLevel)], Timestamp, Message);
llvm::errs().flush();
}
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