source: doc/theses/andrew_beach_MMath/code/cond-match.cpp @ 0052ada

ADTast-experimentalenumforall-pointer-decayjacob/cs343-translationnew-ast-unique-exprpthread-emulationqualifiedEnum
Last change on this file since 0052ada was 11ad42f, checked in by Andrew Beach <ajbeach@…>, 3 years ago

Added a second argument to conditional catch benchmarks. Should the exception be caught.

  • Property mode set to 100644
File size: 993 bytes
Line 
1// Conditional Match (or Re-Raise)
2#include <chrono>
3#include <cstdlib>
4#include <exception>
5#include <iostream>
6
7using namespace std::chrono;
8
9struct EmptyException : public std::exception {};
10
11bool should_catch = false;
12
13void throw_exception() {
14        throw EmptyException();
15}
16
17void cond_catch() {
18        try {
19                throw_exception();
20        } catch (EmptyException & exc) {
21                if (should_catch) {
22                        throw;
23                }
24        }
25}
26
27int main(int argc, char * argv[]) {
28        unsigned int times = 1;
29        if (1 < argc) {
30                times = strtol(argv[1], nullptr, 10);
31        }
32        if (2 < argc) {
33                should_catch = strtol(argv[2], nullptr, 10);
34        }
35
36        time_point<steady_clock> start_time = steady_clock::now();
37    for (unsigned int count = 0 ; count < times ; ++count) {
38        try {
39                        cond_catch();
40                } catch (EmptyException &) {
41                        // ...
42                }
43    }
44        time_point<steady_clock> end_time = steady_clock::now();
45        nanoseconds duration = duration_cast<nanoseconds>(end_time - start_time);
46        std::cout << "Run-Time (ns): " << duration.count() << std::endl;
47}
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