| //===--- Logger.cpp - Logger interface for clangd -------------------------===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is distributed under the University of Illinois Open Source |
| // License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include "Logger.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 log(const llvm::Twine &Message) { |
| if (L) |
| L->log(Message); |
| else { |
| static std::mutex Mu; |
| std::lock_guard<std::mutex> Guard(Mu); |
| llvm::errs() << Message << "\n"; |
| } |
| } |
| |
| } // namespace clangd |
| } // namespace clang |