| // Copyright 2022 The Pigweed Authors |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); you may not |
| // use this file except in compliance with the License. You may obtain a copy of |
| // the License at |
| // |
| // https://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, WITHOUT |
| // WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the |
| // License for the specific language governing permissions and limitations under |
| // the License. |
| #pragma once |
| |
| #include "pw_assert/check.h" |
| #include "pw_log/glog_adapter_config.h" |
| #include "pw_log/levels.h" |
| #include "pw_log/log.h" |
| #include "pw_string/string_builder.h" |
| |
| namespace pw::log::internal { |
| |
| class GlogStreamingLog { |
| public: |
| GlogStreamingLog() = default; |
| |
| template <typename T> |
| GlogStreamingLog& operator<<(const T& value) { |
| string_builder_ << value; |
| return *this; |
| } |
| |
| protected: |
| pw::StringBuffer<PW_LOG_CFG_GLOG_BUFFER_SIZE_BYTES> string_builder_; |
| }; |
| |
| } // namespace pw::log::internal |
| |
| // Declares a unique GlogStreamingLog class definition with a destructor which |
| // matches the desired pw_log_level. |
| #define _PW_LOG_GLOG_DECLARATION_PW_LOG(pw_log_level, unique) \ |
| class unique : public ::pw::log::internal::GlogStreamingLog { \ |
| public: \ |
| ~unique() { \ |
| PW_HANDLE_LOG( \ |
| pw_log_level, PW_LOG_FLAGS, "%s", string_builder_.c_str()); \ |
| } \ |
| } |
| |
| // Declares a unique GlogStreamingLog class definition with a destructor which |
| // invokes PW_CRASH. |
| #define _PW_LOG_GLOG_DECLARATION_PW_CRASH(unique) \ |
| class unique : public ::pw::log::internal::GlogStreamingLog { \ |
| public: \ |
| ~unique() { PW_CRASH("%s", string_builder_.c_str()); } \ |
| } |
| |
| // Dispatching macros to translate the glog level to PW_LOG and PW_CRASH. |
| #define _PW_LOG_GLOG_DECLARATION_DEBUG(unique) \ |
| _PW_LOG_GLOG_DECLARATION_PW_LOG(PW_LOG_LEVEL_DEBUG, unique) |
| |
| #define _PW_LOG_GLOG_DECLARATION_INFO(unique) \ |
| _PW_LOG_GLOG_DECLARATION_PW_LOG(PW_LOG_LEVEL_INFO, unique) |
| |
| #define _PW_LOG_GLOG_DECLARATION_WARNING(unique) \ |
| _PW_LOG_GLOG_DECLARATION_PW_LOG(PW_LOG_LEVEL_WARN, unique) |
| |
| #define _PW_LOG_GLOG_DECLARATION_ERROR(unique) \ |
| _PW_LOG_GLOG_DECLARATION_PW_LOG(PW_LOG_LEVEL_ERROR, unique) |
| |
| #define _PW_LOG_GLOG_DECLARATION_FATAL(unique) \ |
| _PW_LOG_GLOG_DECLARATION_PW_CRASH(unique) |
| |
| #if defined(NDEBUG) |
| #define _PW_LOG_GLOG_DECLARATION_DFATAL(unique) \ |
| _PW_LOG_GLOG_DECLARATION_PW_LOG(PW_LOG_LEVEL_ERROR, unique) |
| #else // !defined(NDEBUG) |
| #define _PW_LOG_GLOG_DECLARATION_DFATAL(unique) \ |
| _PW_LOG_GLOG_DECLARATION_PW_CRASH(unique) |
| #endif // defined(NDEBUG) |
| |
| #define _PW_LOG_GLOG(glog_declaration, unique) \ |
| glog_declaration(unique); \ |
| unique() |
| |
| #define _PW_LOG_GLOG_IF(glog_declaration, expr, unique) \ |
| glog_declaration(unique); \ |
| if (!(expr)) { \ |
| } else \ |
| unique() |