// Copyright (c) 2007, Google Inc.

// All rights reserved.

//

// Redistribution and use in source and binary forms, with or without

// modification, are permitted provided that the following conditions are

// met:

//

//     * Redistributions of source code must retain the above copyright

// notice, this list of conditions and the following disclaimer.

//     * Redistributions in binary form must reproduce the above

// copyright notice, this list of conditions and the following disclaimer

// in the documentation and/or other materials provided with the

// distribution.

//     * Neither the name of Google Inc. nor the names of its

// contributors may be used to endorse or promote products derived from

// this software without specific prior written permission.

//

// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS

// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT

// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR

// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT

// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,

// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT

// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,

// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY

// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT

// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE

// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

#ifndef BASE_LOG_SEVERITY_H__

#define BASE_LOG_SEVERITY_H__

// Annoying stuff for windows -- makes sure clients can import these functions

#ifndef GOOGLE_GLOG_DLL_DECL

# if defined(_WIN32) && !defined(__CYGWIN__)

#   define GOOGLE_GLOG_DLL_DECL  __declspec(dllimport)

# else

#   define GOOGLE_GLOG_DLL_DECL

# endif

#endif

// Variables of type LogSeverity are widely taken to lie in the range

// [0, NUM_SEVERITIES-1].  Be careful to preserve this assumption if

// you ever need to change their values or add a new severity.

typedef int LogSeverity;

const int GLOG_INFO = 0, GLOG_WARNING = 1, GLOG_ERROR = 2, GLOG_FATAL = 3,

  NUM_SEVERITIES = 4;

#ifndef GLOG_NO_ABBREVIATED_SEVERITIES

# ifdef ERROR

#  error ERROR macro is defined. Define GLOG_NO_ABBREVIATED_SEVERITIES before including logging.h. See the document for detail.

# endif

const int INFO = GLOG_INFO, WARNING = GLOG_WARNING,

  ERROR = GLOG_ERROR, FATAL = GLOG_FATAL;

#endif

// DFATAL is FATAL in debug mode, ERROR in normal mode

#ifdef NDEBUG

#define DFATAL_LEVEL ERROR

#else

#define DFATAL_LEVEL FATAL

#endif

extern GOOGLE_GLOG_DLL_DECL const char* const LogSeverityNames[NUM_SEVERITIES];

// NDEBUG usage helpers related to (RAW_)DCHECK:

//

// DEBUG_MODE is for small !NDEBUG uses like

//   if (DEBUG_MODE) foo.CheckThatFoo();

// instead of substantially more verbose

//   #ifndef NDEBUG

//     foo.CheckThatFoo();

//   #endif

//

// IF_DEBUG_MODE is for small !NDEBUG uses like

//   IF_DEBUG_MODE( string error; )

//   DCHECK(Foo(&error)) << error;

// instead of substantially more verbose

//   #ifndef NDEBUG

//     string error;

//     DCHECK(Foo(&error)) << error;

//   #endif

//

#ifdef NDEBUG

enum { DEBUG_MODE = 0 };

#define IF_DEBUG_MODE(x)

#else

enum { DEBUG_MODE = 1 };

#define IF_DEBUG_MODE(x) x

#endif

#endif  // BASE_LOG_SEVERITY_H__