| // Copyright 2023 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_log_tokenized/log_tokenized.h" |
| |
| #if !defined(__cplusplus) || !defined(__GNUC__) || defined(__clang__) |
| |
| // If we're not compiling C++ or we're not using GCC, then tokenize the log. |
| #define PW_HANDLE_LOG PW_LOG_TOKENIZED_TO_GLOBAL_HANDLER_WITH_PAYLOAD |
| |
| #else // defined(__cplusplus) && defined(__GNUC__) && !defined(__clang__) |
| |
| #include <string_view> |
| |
| #include "pw_log_string/handler.h" |
| |
| // GCC has a bug resulting in section attributes of templated functions being |
| // ignored. This in turn means that log tokenization cannot work for templated |
| // functions, because the token database entries are lost at build time. |
| // For more information see https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70435 |
| // |
| // To work around this, we defer to string logging only in templated contexts. |
| // |
| // __PRETTY_FUNCTION__ is suffixed with ' [with ...]' for templated contexts |
| // if the class and/or function is templated. For example: |
| // "Foo() [with T = char]". |
| #define PW_HANDLE_LOG(...) \ |
| do { \ |
| if constexpr (std::string_view(__PRETTY_FUNCTION__).back() == ']') { \ |
| PW_LOG_STRING_HANDLE_MESSAGE(__VA_ARGS__); \ |
| } else { \ |
| PW_LOG_TOKENIZED_TO_GLOBAL_HANDLER_WITH_PAYLOAD(__VA_ARGS__); \ |
| } \ |
| } while (0) |
| |
| #endif // !defined(__cplusplus) || !defined(__GNUC__) || defined(__clang__) |