//===-- LogMessage.h --------------------------------------------*- C++ -*-===//
//
//                     The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//

#ifndef LogMessage_h
#define LogMessage_h

#include <string>

class LogMessage {
public:
  virtual ~LogMessage();

  virtual bool HasActivity() const = 0;

  virtual const char *GetActivity() const = 0;

  virtual std::string GetActivityChain() const = 0;

  virtual bool HasCategory() const = 0;

  virtual const char *GetCategory() const = 0;

  virtual bool HasSubsystem() const = 0;

  virtual const char *GetSubsystem() const = 0;

  // This can be expensive, so once we ask for it, we'll cache the result.
  virtual const char *GetMessage() const = 0;

protected:
  LogMessage();
};

#endif /* LogMessage_h */