fork download
copy 
  1. #include <iostream>
  2.  
  3. using namespace std;
  4.  
  5. #define IF_THREW(EXPR, EXC) \
  6. try \
  7. { \
  8.   EXPR; \
  9. } \
  10. catch (EXC)
  11.  
  12. #define OR_THREW(EXC) \
  13. catch (EXC)
  14.  
  15. int computeFoo(int n)
  16. {
  17.   if (n == 0)
  18.   {
  19.     throw "div by 0!";
  20.   }
  21.   if (n < 0)
  22.   {
  23.     throw -1;
  24.   }
  25.  
  26.   return 100 / n;
  27. }
  28.  
  29. int main(void)
  30. {
  31.   int foo;
  32.  
  33.   IF_THREW(foo = computeFoo(10), const char* excmsg)
  34.   {
  35.     cout << "exception: " << excmsg << endl;
  36.   }
  37.  
  38.   cout << foo << endl;
  39.  
  40.   IF_THREW(foo = computeFoo(0), const char* excmsg)
  41.   {
  42.     cout << "exception: " << excmsg << endl;
  43.   }
  44.  
  45.   IF_THREW(foo = computeFoo(-1), const char* excmsg)
  46.   {
  47.     cout << "exception: " << excmsg << endl;
  48.   }
  49.   OR_THREW(int)
  50.   {
  51.     cout << "exception: negative" << endl;
  52.   }
  53.  
  54.   return 0;
  55. }
  56.  
Success #stdin #stdout 0s 3472KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
10
exception: div by 0!
exception: negative
https://ideone.com/ZJih3Q
language:
C++ (gcc 8.3)
created:
10 years ago
visibility:
secret

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!