1 /* 2 Copyright 2010 Google Inc. 3 4 Licensed under the Apache License, Version 2.0 (the "License"); 5 you may not use this file except in compliance with the License. 6 You may obtain a copy of the License at 7 8 http://www.apache.org/licenses/LICENSE-2.0 9 10 Unless required by applicable law or agreed to in writing, software 11 distributed under the License is distributed on an "AS IS" BASIS, 12 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 See the License for the specific language governing permissions and 14 limitations under the License. 15 */ 16 17 18 #ifndef GrInstanceCounter_DEFINED 19 #define GrInstanceCounter_DEFINED 20 21 #include "GrTypes.h" 22 23 template <typename T> class GrInstanceCounter { 24 public: 25 GrInstanceCounter() { 26 ++gCounter; 27 GrPrintf("+ %s %d\n", T::InstanceCounterClassName(), gCounter); 28 } 29 30 ~GrInstanceCounter() { 31 --gCounter; 32 GrPrintf("- %s %d\n", T::InstanceCounterClassName(), gCounter); 33 } 34 35 private: 36 static int gCounter; 37 }; 38 39 template <typename T> int GrInstanceCounter<T>::gCounter; 40 41 #define DECLARE_INSTANCE_COUNTER(T) \ 42 static const char* InstanceCounterClassName() { return #T; } \ 43 friend class GrInstanceCounter<T>; \ 44 GrInstanceCounter<T> fInstanceCounter 45 46 #endif 47 48
