1 /*

     2  * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.

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

     4  *

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

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

     7  * published by the Free Software Foundation.

     8  *

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

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

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

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

    13  * accompanied this code).

    14  *

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

    16  * 2 along with this work; if not, write to the Free Software Foundation,

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

    18  *

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

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

    21  * questions.

    22  *

    23  */

    24 #ifndef SHARE_VM_LOGGING_LOGLEVEL_HPP

    25 #define SHARE_VM_LOGGING_LOGLEVEL_HPP

    26 

    27 #include "memory/allocation.hpp"

    28 #include "utilities/macros.hpp"

    29 

    30 // The list of log levels:

    31 //

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

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

    34 //

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

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

    37 //

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

    39 //            events and/or informative summaries.

    40 //

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

    42 //

    43 //  error   - Critical messages caused by errors.

    44 //

    45 #define LOG_LEVEL_LIST \

    46   LOG_LEVEL(Trace, trace) \

    47   LOG_LEVEL(Debug, debug) \

    48   LOG_LEVEL(Info, info) \

    49   LOG_LEVEL(Warning, warning) \

    50   LOG_LEVEL(Error, error)

    51 

    52 class LogLevel : public AllStatic {

    53  public:

    54   enum type {

    55     Off,

    56 #define LOG_LEVEL(name, printname) name,

    57     LOG_LEVEL_LIST

    58 #undef LOG_LEVEL

    59     Count,

    60     Invalid,

    61     NotMentioned,

    62     First = Off + 1,

    63     Last = Error,

    64     Default = Warning,

    65     Unspecified = Info

    66   };

    67 

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

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

    70     return _name[level];

    71   }

    72 

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

    74 

    75  private:

    76   static const char* _name[];

    77 };

    78 

    79 typedef LogLevel::type LogLevelType;

    80 

    81 #endif // SHARE_VM_LOGGING_LOGLEVEL_HPP