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  1.     #include <iostream>
  2.     #include <vector>
  3.  
  4.     struct Callsite {
  5.         const char* file_;
  6.         size_t line_;
  7.  
  8.          static thread_local std::vector<Callsite*> callStack;
  9.  
  10.         Callsite(const char* file, size_t line) : file_(file), line_(line) {
  11.             callStack.push_back(this);
  12.         }
  13.         ~Callsite() noexcept { callStack.pop_back(); }
  14.     };
  15.  
  16.     thread_local std::vector<Callsite*> Callsite::callStack;
  17.  
  18.     #define ENTER  Callsite __callsite_entry(__FILE__, __LINE__);
  19.  
  20.     void f() {
  21.         ENTER;
  22.  
  23.         for (auto&& stack: Callsite::callStack) {
  24.             std::cout << stack->file_ << ":" << stack->line_ << "\n";
  25.         }
  26.     }
  27.  
  28.     int main() {
  29.         ENTER;
  30.         f();
  31.     }
  32.  
Success #stdin #stdout 0s 3468KB
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prog.cpp:29
prog.cpp:21
https://ideone.com/ZAUVib
language:
C++14 (gcc 8.3)
created:
9 years ago
visibility:
public

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