| // Copyright (c) 2023, 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_ |
| |
| #if defined(GLOG_USE_GLOG_EXPORT) |
| # include "glog/export.h" |
| #endif |
| |
| // The recommended semantics of the log levels are as follows: |
| // |
| // INFO: |
| // Use for state changes or other major events, or to aid debugging. |
| // WARNING: |
| // Use for undesired but relatively expected events, which may indicate a |
| // problem |
| // ERROR: |
| // Use for undesired and unexpected events that the program can recover from. |
| // All ERRORs should be actionable - it should be appropriate to file a bug |
| // whenever an ERROR occurs in production. |
| // FATAL: |
| // Use for undesired and unexpected events that the program cannot recover |
| // from. |
| |
| // 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. |
| using LogSeverity = int; |
| |
| 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 GLOG_EXPORT 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_ |
