/*

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.

 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 *

 */

#include "memory/allocation.hpp"

#include "utilities/macros.hpp"

// The list of log levels:

//

//  trace   - Finest level of logging. Use for extensive/noisy

//            logging that can give slow-down when enabled.

//

//  debug   - A finer level of logging. Use for semi-noisy

//            logging that is does not fit the info level.

//

//  info    - General level of logging. Use for significant

//            events and/or informative summaries.

//

//  warning - Important messages that are not strictly errors.

//

//  error   - Critical messages caused by errors.

//

#define LOG_LEVEL_LIST \

  LOG_LEVEL(Trace, trace) \

  LOG_LEVEL(Debug, debug) \

  LOG_LEVEL(Info, info) \

  LOG_LEVEL(Warning, warning) \

  LOG_LEVEL(Error, error)

class LogLevel : public AllStatic {

 public:

  enum type {

    Off,

#define LOG_LEVEL(name, printname) name,

    LOG_LEVEL_LIST

#undef LOG_LEVEL

    Count,

    Invalid,

    NotMentioned,

    First = Off + 1,

    Last = Error,

    Default = Warning,

    Unspecified = Info

  };

  static const char *name(LogLevel::type level) {

    assert(level >= 0 && level < LogLevel::Count, "Invalid level (enum value %d).", level);

    return _name[level];

  }

  static LogLevel::type from_string(const char* str);

  static LogLevel::type fuzzy_match(const char *level);

 private:

  static const char* _name[];

};

typedef LogLevel::type LogLevelType;