| // Copyright 2020 The Chromium Authors |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef BASE_NOTREACHED_H_ |
| #define BASE_NOTREACHED_H_ |
| |
| #include "base/base_export.h" |
| #include "base/check.h" |
| #include "base/dcheck_is_on.h" |
| #include "base/logging_buildflags.h" |
| |
| namespace logging { |
| |
| // Under these conditions NOTREACHED() will effectively either log or DCHECK. |
| #if CHECK_WILL_STREAM() |
| #define NOTREACHED() \ |
| CHECK_FUNCTION_IMPL( \ |
| ::logging::NotReachedError::NotReached(__FILE__, __LINE__), false) |
| #else |
| #define NOTREACHED() \ |
| (true) ? ::logging::NotReachedError::TriggerNotReached() \ |
| : EAT_CHECK_STREAM_PARAMS() |
| #endif |
| |
| // The NOTIMPLEMENTED() macro annotates codepaths which have not been |
| // implemented yet. If output spam is a serious concern, |
| // NOTIMPLEMENTED_LOG_ONCE can be used. |
| // Note that the NOTIMPLEMENTED_LOG_ONCE() macro does not allow custom error |
| // messages to be appended to the macro to log, unlike NOTIMPLEMENTED() which |
| // does support the pattern of appending a custom error message. As in, the |
| // NOTIMPLEMENTED_LOG_ONCE() << "foo message"; pattern is not supported. |
| #if DCHECK_IS_ON() |
| #define NOTIMPLEMENTED() \ |
| ::logging::CheckError::NotImplemented(__FILE__, __LINE__, __PRETTY_FUNCTION__) |
| #else |
| #define NOTIMPLEMENTED() EAT_CHECK_STREAM_PARAMS() |
| #endif |
| |
| #define NOTIMPLEMENTED_LOG_ONCE() \ |
| { \ |
| static bool logged_once = false; \ |
| if (!logged_once) { \ |
| NOTIMPLEMENTED(); \ |
| logged_once = true; \ |
| } \ |
| } |
| |
| } // namespace logging |
| |
| #endif // BASE_NOTREACHED_H_ |