tests/run-make-fulldeps/foreign-double-unwind/foo.cpp

   1 #include <cstdio>
   2 #include <exception>
   3
   4 void println(const char* s) {
   5     puts(s);
   6     fflush(stdout);
   7 }
   8
   9 struct outer_exception {};
  10 struct inner_exception {};
  11
  12 extern "C" {
  13     void throw_cxx_exception() {
  14         if (std::uncaught_exception()) {
  15             println("throwing inner C++ exception");
  16             throw inner_exception();
  17         } else {
  18             println("throwing outer C++ exception");
  19             throw outer_exception();
  20         }
  21     }
  22
  23     void cxx_catch_callback(void (*cb)()) {
  24         try {
  25             cb();
  26             println("unreachable: callback returns");
  27         } catch (outer_exception) {
  28             println("unreachable: caught outer exception in catch (...)");
  29         } catch (inner_exception) {
  30             println("unreachable: caught inner exception in catch (...)");
  31         }
  32     }
  33 }