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  1. #include <iostream>
  2.  
  3. class Logger
  4. {
  5.     std::string _entry;
  6.     public:
  7.         Logger(std::string entry)
  8.         {
  9.             _entry = entry;
  10.             std::cout << "Starting execution of " << entry << std::endl;
  11.         }
  12.  
  13.         ~Logger()
  14.         {
  15.             std::cout << "Ending execution of " << _entry << std::endl;
  16.         }
  17. };
  18.  
  19. class A
  20. {
  21.     public:
  22.         void foo()
  23.         {
  24.             std::cout << "Doing foo" << std::endl;
  25.         }
  26. };
  27.  
  28. #define CALL_FUNC_AND_LOG(obj,func) \
  29.     { \
  30.         Logger _mylogger(""#func); \
  31.         obj.func(); \
  32.         \
  33.     }
  34.  
  35. int main()
  36. {
  37.     A a;
  38.     CALL_FUNC_AND_LOG(a,foo);
  39.     return 0;
  40. }
  41.  
Success #stdin #stdout 0s 3272KB
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stdin
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Standard input is empty
stdout
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Starting execution of foo
Doing foo
Ending execution of foo
https://ideone.com/DHf3xu
language:
C++14 (gcc 8.3)
created:
9 years ago
visibility:
public

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