| 
            Last change
 on this file since 433e2c3 was             0a6d2045, checked in by Andrew Beach <ajbeach@…>, 23 months ago           | 
        
        
          | 
             
You can how use local control flow out of 'catch' clauses. Added a test to show that it works. 
 
           | 
        
        
          
            
              - 
Property                 mode
 set to                 
100644
               
             
           | 
        
        
          | 
            File size:
            896 bytes
           | 
        
      
      
| Line |   | 
|---|
| 1 | // Control Flow out of Termination Handler Clauses
 | 
|---|
| 2 | 
 | 
|---|
| 3 | exception zen {};
 | 
|---|
| 4 | 
 | 
|---|
| 5 | vtable(zen) zen_vt;
 | 
|---|
| 6 | 
 | 
|---|
| 7 | void test_loop() {
 | 
|---|
| 8 |         do {
 | 
|---|
| 9 |                 try {
 | 
|---|
| 10 |                         throw (zen){&zen_vt};
 | 
|---|
| 11 |                 } catch (zen *) {
 | 
|---|
| 12 |                         printf("Continue\n");
 | 
|---|
| 13 |                         continue;
 | 
|---|
| 14 |                 }
 | 
|---|
| 15 |                 printf("Reached end of loop.\n.");
 | 
|---|
| 16 |         } while (false);
 | 
|---|
| 17 |         printf("After Loop\n");
 | 
|---|
| 18 | 
 | 
|---|
| 19 |         while (true) {
 | 
|---|
| 20 |                 try {
 | 
|---|
| 21 |                         throw (zen){&zen_vt};
 | 
|---|
| 22 |                 } catch (zen *) {
 | 
|---|
| 23 |                         printf("Break\n");
 | 
|---|
| 24 |                         break;
 | 
|---|
| 25 |                 }
 | 
|---|
| 26 |                 printf("Reached end of loop.\n.");
 | 
|---|
| 27 |         }
 | 
|---|
| 28 |         printf("After Loop\n");
 | 
|---|
| 29 | }
 | 
|---|
| 30 | 
 | 
|---|
| 31 | void test_switch() {
 | 
|---|
| 32 |         switch (0) {
 | 
|---|
| 33 |         case 0:
 | 
|---|
| 34 |                 try {
 | 
|---|
| 35 |                         throw (zen){&zen_vt};
 | 
|---|
| 36 |                 } catch (zen *) {
 | 
|---|
| 37 |                         printf("Break\n");
 | 
|---|
| 38 |                         break;
 | 
|---|
| 39 |                 }
 | 
|---|
| 40 |         default:
 | 
|---|
| 41 |                 printf("Reached default.\n");
 | 
|---|
| 42 |         }
 | 
|---|
| 43 |         printf("After Switch\n");
 | 
|---|
| 44 | }
 | 
|---|
| 45 | 
 | 
|---|
| 46 | int test_return() {
 | 
|---|
| 47 |         try {
 | 
|---|
| 48 |                 throw (zen){&zen_vt};
 | 
|---|
| 49 |         } catch (zen *) {
 | 
|---|
| 50 |                 return 1;
 | 
|---|
| 51 |         }
 | 
|---|
| 52 |         return 0;
 | 
|---|
| 53 | }
 | 
|---|
| 54 | 
 | 
|---|
| 55 | int main(int argc, char * argv[]) {
 | 
|---|
| 56 |         test_loop();
 | 
|---|
| 57 |         test_switch();
 | 
|---|
| 58 |         printf("Result of test_return: %d\n", test_return());
 | 
|---|
| 59 | }
 | 
|---|
       
      
  Note:
 See   
TracBrowser
 for help on using the repository browser.