pretty_function.h (1334B)
1 // Copyright 2017 The Abseil Authors. 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); 4 // you may not use this file except in compliance with the License. 5 // You may obtain a copy of the License at 6 // 7 // https://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 // See the License for the specific language governing permissions and 13 // limitations under the License. 14 15 #ifndef ABSL_BASE_INTERNAL_PRETTY_FUNCTION_H_ 16 #define ABSL_BASE_INTERNAL_PRETTY_FUNCTION_H_ 17 18 // ABSL_PRETTY_FUNCTION 19 // 20 // In C++11, __func__ gives the undecorated name of the current function. That 21 // is, "main", not "int main()". Various compilers give extra macros to get the 22 // decorated function name, including return type and arguments, to 23 // differentiate between overload sets. ABSL_PRETTY_FUNCTION is a portable 24 // version of these macros which forwards to the correct macro on each compiler. 25 #if defined(_MSC_VER) 26 #define ABSL_PRETTY_FUNCTION __FUNCSIG__ 27 #elif defined(__GNUC__) 28 #define ABSL_PRETTY_FUNCTION __PRETTY_FUNCTION__ 29 #else 30 #error "Unsupported compiler" 31 #endif 32 33 #endif // ABSL_BASE_INTERNAL_PRETTY_FUNCTION_H_