1 // Copyright Antony Polukhin, 2016-2020.
2 //
3 // Distributed under the Boost Software License, Version 1.0. (See
4 // accompanying file LICENSE_1_0.txt or copy at
5 // http://www.boost.org/LICENSE_1_0.txt)
6
7 #define BOOST_ENABLE_ASSERT_HANDLER
8
9 #include <cstdlib> // std::exit
10 #include <boost/array.hpp>
11 BOOST_NOINLINE void foo(int i);
12 BOOST_NOINLINE void bar(int i);
13
bar(int i)14 BOOST_NOINLINE void bar(int i) {
15 boost::array<int, 5> a = {{101, 100, 123, 23, 32}};
16 if (i >= 0) {
17 foo(a[i]);
18 } else {
19 std::exit(1);
20 }
21 }
22
foo(int i)23 BOOST_NOINLINE void foo(int i) {
24 bar(--i);
25 }
26
27 //[getting_started_assert_handlers
28
29 // BOOST_ENABLE_ASSERT_DEBUG_HANDLER is defined for the whole project
30 #include <stdexcept> // std::logic_error
31 #include <iostream> // std::cerr
32 #include <boost/stacktrace.hpp>
33
34 namespace boost {
assertion_failed_msg(char const * expr,char const * msg,char const * function,char const *,long)35 inline void assertion_failed_msg(char const* expr, char const* msg, char const* function, char const* /*file*/, long /*line*/) {
36 std::cerr << "Expression '" << expr << "' is false in function '" << function << "': " << (msg ? msg : "<...>") << ".\n"
37 << "Backtrace:\n" << boost::stacktrace::stacktrace() << '\n';
38 /*<-*/ std::exit(0); /*->*/
39 /*=std::abort();*/
40 }
41
assertion_failed(char const * expr,char const * function,char const * file,long line)42 inline void assertion_failed(char const* expr, char const* function, char const* file, long line) {
43 ::boost::assertion_failed_msg(expr, 0 /*nullptr*/, function, file, line);
44 }
45 } // namespace boost
46 //]
47
48
main()49 int main() {
50 foo(5);
51
52 return 2;
53 }
54
55
56