| //===--- Logger.h - Logger interface for clangd ------------------*- C++-*-===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is distributed under the University of Illinois Open Source |
| // License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef LLVM_CLANG_TOOLS_EXTRA_CLANGD_LOGGER_H |
| #define LLVM_CLANG_TOOLS_EXTRA_CLANGD_LOGGER_H |
| |
| #include "llvm/ADT/Twine.h" |
| |
| namespace clang { |
| namespace clangd { |
| |
| /// Main logging function. |
| /// Logs messages to a global logger, which can be set up by LoggingSesssion. |
| /// If no logger is registered, writes to llvm::errs(). |
| void log(const llvm::Twine &Message); |
| |
| /// Interface to allow custom logging in clangd. |
| class Logger { |
| public: |
| virtual ~Logger() = default; |
| |
| /// Implementations of this method must be thread-safe. |
| virtual void log(const llvm::Twine &Message) = 0; |
| }; |
| |
| /// Only one LoggingSession can be active at a time. |
| class LoggingSession { |
| public: |
| LoggingSession(clangd::Logger &Instance); |
| ~LoggingSession(); |
| |
| LoggingSession(LoggingSession &&) = delete; |
| LoggingSession &operator=(LoggingSession &&) = delete; |
| |
| LoggingSession(LoggingSession const &) = delete; |
| LoggingSession &operator=(LoggingSession const &) = delete; |
| }; |
| |
| } // namespace clangd |
| } // namespace clang |
| |
| #endif |