| 1 | // Check all the local control flow structures that are "sealed" by some the
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| 2 | // try statement clauses; where structured programming is stricter.
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| 3 | 
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| 4 | void break_in_finally() {
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| 5 |         while (true) {
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| 6 |                 try {} finally {
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| 7 |                         break;
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| 8 |                 }
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| 9 |         }
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| 10 | }
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| 11 | 
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| 12 | void for_break_in_finally() {
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| 13 |         for (10) {
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| 14 |                 try {} finally {
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| 15 |                         break;
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| 16 |                 }
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| 17 |         }
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| 18 | }
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| 19 | 
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| 20 | void do_while_break_in_finally() {
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| 21 |         do {
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| 22 |                 try {} finally {
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| 23 |                         break;
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| 24 |                 }
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| 25 |         } while (false);
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| 26 | }
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| 27 | 
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| 28 | void continue_in_finally() {
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| 29 |         while (true) {
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| 30 |                 try {} finally {
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| 31 |                         continue;
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| 32 |                 }
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| 33 |         }
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| 34 | }
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| 35 | 
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| 36 | void goto_in_finally() {
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| 37 |         while (true) {
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| 38 |                 try {} finally {
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| 39 |                         goto end_of_function;
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| 40 |                 }
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| 41 |         }
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| 42 |         end_of_function: {}
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| 43 | }
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| 44 | 
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| 45 | void labelled_break_in_finally() {
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| 46 |         mainLoop: while (true) {
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| 47 |                 try {} finally {
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| 48 |                         break mainLoop;
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| 49 |                 }
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| 50 |         }
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| 51 | }
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| 52 | 
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| 53 | void labelled_continue_in_finally() {
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| 54 |         mainLoop: while (true) {
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| 55 |                 try {} finally {
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| 56 |                         continue mainLoop;
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| 57 |                 }
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| 58 |         }
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| 59 | }
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| 60 | 
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| 61 | void switch_break_in_finally() {
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| 62 |         switch (1) {
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| 63 |         case 1:
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| 64 |                 try {} finally {
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| 65 |                         break;
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| 66 |                 }
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| 67 |         default:
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| 68 |                 break;
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| 69 |         }
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| 70 | }
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| 71 | 
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| 72 | void choose_break_in_finally() {
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| 73 |         choose (1) {
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| 74 |         case 1:
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| 75 |                 try {} finally {
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| 76 |                         break;
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| 77 |                 }
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| 78 |         default:
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| 79 |                 break;
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| 80 |         }
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| 81 | }
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| 82 | 
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| 83 | void choose_fallthru_in_finally() {
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| 84 |         choose (1) {
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| 85 |         case 1:
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| 86 |                 try {} finally {
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| 87 |                         fallthru;
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| 88 |                 }
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| 89 |         default:
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| 90 |                 break;
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| 91 |         }
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| 92 | }
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| 93 | 
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| 94 | void labelled_choose_break_in_finally() {
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| 95 |         mainBlock: choose (1) {
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| 96 |         case 1:
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| 97 |                 try {} finally {
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| 98 |                         break mainBlock;
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| 99 |                 }
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| 100 |         case 2:
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| 101 |                 break;
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| 102 |         default:
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| 103 |                 break;
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| 104 |         }
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| 105 | }
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| 106 | 
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| 107 | void labelled_choose_fallthru_in_finally() {
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| 108 |         mainBlock: choose (1) {
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| 109 |         case 1:
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| 110 |                 try {} finally {
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| 111 |                         fallthru mainBlock;
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| 112 |                 }
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| 113 |         case 2:
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| 114 |                 break;
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| 115 |         default:
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| 116 |                 break;
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| 117 |         }
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| 118 | }
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| 119 | 
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| 120 | void choose_fallthru_default_in_finally() {
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| 121 |         choose (1) {
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| 122 |         case 1:
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| 123 |                 try {} finally {
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| 124 |                         fallthru default;
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| 125 |                 }
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| 126 |         default:
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| 127 |                 break;
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| 128 |         }
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| 129 | }
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| 130 | 
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| 131 | void void_return_in_finally() {
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| 132 |         try {} finally {
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| 133 |                 return;
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| 134 |         }
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| 135 | }
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| 136 | 
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| 137 | int value_return_in_finally() {
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| 138 |         try {} finally {
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| 139 |                 return -7;
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| 140 |         }
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| 141 | 
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| 142 | }
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| 143 | 
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| 144 | // Checked in the same place, make sure it does't break.
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| 145 | void break_in_function() {
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| 146 |         while (true) {
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| 147 |                 void inner() {
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| 148 |                         break;
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| 149 |                 }
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| 150 |         }
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| 151 | }
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| 152 | 
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| 153 | // Now just use return to test the other try control flow interactions.
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| 154 | 
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| 155 | exception nil_exception {};
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| 156 | 
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| 157 | void return_in_try_with_catch() {
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| 158 |         try {
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| 159 |                 return;
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| 160 |         } catch (nil_exception *) {
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| 161 |                 ;
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| 162 |         }
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| 163 | }
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| 164 | 
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| 165 | // Allowed.
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| 166 | void return_in_try_with_catchReturn() {
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| 167 |         try {
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| 168 |                 return;
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| 169 |         } catchResume (nil_exception *) {
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| 170 |                 ;
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| 171 |         }
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| 172 | }
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| 173 | 
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| 174 | // Allowed.
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| 175 | void return_in_try_with_finally() {
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| 176 |         try {
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| 177 |                 return;
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| 178 |         } finally {
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| 179 |                 ;
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| 180 |         }
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| 181 | }
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| 182 | 
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| 183 | void return_in_catchResume() {
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| 184 |         try {
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| 185 |                 ;
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| 186 |         } catchResume (nil_exception *) {
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| 187 |                 return;
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| 188 |         }
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| 189 | }
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| 190 | 
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| 191 | void main() {
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| 192 |         // Should not compile.
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| 193 |         return 1;
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| 194 | }
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