source: tests/exceptions/cancel/coroutine.cfa @ b583113

arm-ehjacob/cs343-translationnew-ast-unique-expr
Last change on this file since b583113 was b583113, checked in by Andrew Beach <ajbeach@…>, 6 months ago

Recovered the polymorphic CoroutineCancelled? exception. The interface might need a bit of polish.

  • Property mode set to 100644
File size: 682 bytes
RevLine 
[1c01c58]1// Try cancelling a coroutine.
2
3#include <coroutine.hfa>
4#include <exception.hfa>
5
[ecfd758]6EHM_EXCEPTION(internal_error)();
7EHM_VIRTUAL_TABLE(internal_error, internal_vt);
[1c01c58]8
9coroutine WillCancel {};
10
11const char * msg(CoroutineCancelled(WillCancel) * this) {
12        return "CoroutineCancelled(WillCancel)";
13}
14
15void main(WillCancel & wc) {
16        printf("1");
[ecfd758]17        cancel_stack((internal_error){&internal_vt});
[1c01c58]18        printf("!");
19}
20
21int main(int argc, char * argv[]) {
22        WillCancel cancel;
23        try {
24                printf("0");
25                resume(cancel);
26                printf("4");
[b583113]27        } catchResume (CoroutineCancelled(WillCancel) * error) {
[1c01c58]28                printf("2");
29                if ((virtual internal_error *)error->the_exception) {
30                        printf("3");
31                }
32        }
33        printf("5\n");
34}
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