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//===--- Logger.cpp - Logger interface for clangd -------------------------===//
//
// 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 "Logger.h"
#include "Trace.h"
#include "llvm/Support/Chrono.h"
#include "llvm/Support/FormatVariadic.h"
#include "llvm/Support/raw_ostream.h"
#include <mutex>
namespace clang {
namespace clangd {
namespace {
Logger *L = nullptr;
} // namespace
LoggingSession::LoggingSession(clangd::Logger &Instance) {
assert(!L);
L = &Instance;
}
LoggingSession::~LoggingSession() { L = nullptr; }
void detail::log(Logger::Level Level,
const llvm::formatv_object_base &Message) {
if (L)
L->log(Level, Message);
else {
static std::mutex Mu;
std::lock_guard<std::mutex> Guard(Mu);
llvm::errs() << Message << "\n";
}
}
const char *detail::debugType(const char *Filename) {
if (const char *Slash = strrchr(Filename, '/'))
return Slash + 1;
if (const char *Backslash = strrchr(Filename, '\\'))
return Backslash + 1;
return Filename;
}
void StreamLogger::log(Logger::Level Level,
const llvm::formatv_object_base &Message) {
if (Level < MinLevel)
return;
llvm::sys::TimePoint<> Timestamp = std::chrono::system_clock::now();
trace::log(Message);
std::lock_guard<std::mutex> Guard(StreamMutex);
Logs << llvm::formatv("{0}[{1:%H:%M:%S.%L}] {2}\n", indicator(Level),
Timestamp, Message);
Logs.flush();
}
} // namespace clangd
} // namespace clang
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