1 /* 2 * 3 * Copyright 2017 gRPC authors. 4 * 5 * Licensed under the Apache License, Version 2.0 (the "License"); 6 * you may not use this file except in compliance with the License. 7 * You may obtain a copy of the License at 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 * 17 */ 18 19 #ifndef GRPC_CORE_LIB_GPRPP_DEBUG_LOCATION_H 20 #define GRPC_CORE_LIB_GPRPP_DEBUG_LOCATION_H 21 22 namespace grpc_core { 23 24 // Used for tracking file and line where a call is made for debug builds. 25 // No-op for non-debug builds. 26 // Callers can use the DEBUG_LOCATION macro in either case. 27 #ifndef NDEBUG 28 class DebugLocation { 29 public: DebugLocation(const char * file,int line)30 DebugLocation(const char* file, int line) : file_(file), line_(line) {} Log()31 bool Log() const { return true; } file()32 const char* file() const { return file_; } line()33 int line() const { return line_; } 34 35 private: 36 const char* file_; 37 const int line_; 38 }; 39 #define DEBUG_LOCATION ::grpc_core::DebugLocation(__FILE__, __LINE__) 40 #else 41 class DebugLocation { 42 public: 43 bool Log() const { return false; } 44 const char* file() const { return nullptr; } 45 int line() const { return -1; } 46 }; 47 #define DEBUG_LOCATION ::grpc_core::DebugLocation() 48 #endif 49 50 } // namespace grpc_core 51 52 #endif /* GRPC_CORE_LIB_GPRPP_DEBUG_LOCATION_H */ 53