source: doc/theses/andrew_beach_MMath/code/throw-detor.cfa @ ee23a8d

ADTast-experimentalenumforall-pointer-decayjacob/cs343-translationnew-ast-unique-exprpthread-emulationqualifiedEnum
Last change on this file since ee23a8d was ee23a8d, checked in by Andrew Beach <ajbeach@…>, 2 years ago

Added duration information (in nanoseconds) to EHM benchmarks.

  • Property mode set to 100644
File size: 920 bytes
Line 
1// Throw Across Destructor
2#include <clock.hfa>
3#include <exception.hfa>
4#include <fstream.hfa>
5#include <stdlib.hfa>
6
7EHM_EXCEPTION(empty_exception)();
8
9EHM_VIRTUAL_TABLE(empty_exception, empty_vt);
10
11struct WithDestructor {};
12
13void ^?{}(WithDestructor & this) {
14        // ...
15}
16
17void unwind_destructor(unsigned int frames) {
18        if (frames) {
19                WithDestructor object;
20                unwind_destructor(frames - 1);
21        } else {
22                throw (empty_exception){&empty_vt};
23        }
24}
25
26int main(int argc, char * argv[]) {
27        unsigned int times = 1;
28        unsigned int total_frames = 1;
29        if (1 < argc) {
30                times = strtol(argv[1], 0p, 10);
31        }
32        if (2 < argc) {
33                total_frames = strtol(argv[2], 0p, 10);
34        }
35
36        Time start_time = timeHiRes();
37        for (int count = 0 ; count < times ; ++count) {
38                try {
39                        unwind_destructor(total_frames);
40                } catch (empty_exception *) {
41                        // ...
42                }
43        }
44        Time end_time = timeHiRes();
45        sout | "Run-Time (ns): " | (end_time - start_time)`ns;
46}
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