ceph/src/boost/libs/stacktrace/test/test_impl.cpp

   1 // Copyright Antony Polukhin, 2016-2017.
   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
   8 #include <boost/stacktrace/stacktrace.hpp>
   9
  10 #if defined(BOOST_LEXICAL_CAST_TRY_LEXICAL_CONVERT_HPP) || defined(BOOST_LEXICAL_CAST_BAD_LEXICAL_CAST_HPP)
  11 #error "LexicalCast headers leaked into the boost/stacktrace/stacktrace.hpp"
  12 #endif
  13
  14 #if !defined(BOOST_USE_WINDOWS_H) && defined(_WINDOWS_H)
  15 #error "windows.h header leaked into the boost/stacktrace/stacktrace.hpp"
  16 #endif
  17
  18 #include <stdexcept>
  19
  20 using namespace boost::stacktrace;
  21
  22 #ifdef BOOST_STACKTRACE_DYN_LINK
  23 #   define BOOST_ST_API BOOST_SYMBOL_EXPORT
  24 #else
  25 #   define BOOST_ST_API
  26 #endif
  27
  28 typedef std::pair<stacktrace, stacktrace> (*foo1_t)(int i);
  29 BOOST_ST_API BOOST_NOINLINE std::pair<stacktrace, stacktrace> foo2(int i, foo1_t foo1) {
  30     if (i) {
  31         return foo1(--i);
  32     } else {
  33         return foo1(i);
  34     }
  35 }
  36
  37
  38 namespace very_very_very_very_very_very_long_namespace {
  39 namespace very_very_very_very_very_very_long_namespace {
  40 namespace very_very_very_very_very_very_long_namespace {
  41 namespace very_very_very_very_very_very_long_namespace {
  42 namespace very_very_very_very_very_very_long_namespace {
  43 namespace very_very_very_very_very_very_long_namespace {
  44 namespace very_very_very_very_very_very_long_namespace {
  45 namespace very_very_very_very_very_very_long_namespace {
  46 namespace very_very_very_very_very_very_long_namespace {
  47 namespace very_very_very_very_very_very_long_namespace {
  48     BOOST_ST_API BOOST_NOINLINE stacktrace get_backtrace_from_nested_namespaces() {
  49         return stacktrace();
  50     }
  51 }}}}}}}}}}
  52
  53 BOOST_ST_API BOOST_NOINLINE stacktrace return_from_nested_namespaces() {
  54     using very_very_very_very_very_very_long_namespace::very_very_very_very_very_very_long_namespace::very_very_very_very_very_very_long_namespace
  55         ::very_very_very_very_very_very_long_namespace::very_very_very_very_very_very_long_namespace::very_very_very_very_very_very_long_namespace
  56         ::very_very_very_very_very_very_long_namespace::very_very_very_very_very_very_long_namespace::very_very_very_very_very_very_long_namespace
  57         ::very_very_very_very_very_very_long_namespace::get_backtrace_from_nested_namespaces;
  58
  59     return get_backtrace_from_nested_namespaces();
  60 }
  61
  62 BOOST_ST_API BOOST_NOINLINE boost::stacktrace::stacktrace bar1_impl(int d = 0) {
  63     boost::stacktrace::stacktrace result(0, 4);
  64     if (result.size() < 4) {
  65         if (d > 4) throw std::runtime_error("Stack is not growing in test OR stacktrace fails to work in `bar1` function.");
  66         return bar1_impl(d + 1);
  67     }
  68     return result;
  69 }
  70
  71 BOOST_ST_API BOOST_NOINLINE boost::stacktrace::stacktrace bar2_impl(int d = 0) {
  72     boost::stacktrace::stacktrace result(0, 4);
  73     if (result.size() < 4) {
  74         if (d > 4) throw std::runtime_error("Stack is not growing in test OR stacktrace fails to work in `bar2` function.");
  75         return bar2_impl(d + 1);
  76     }
  77     return result;
  78 }
  79
  80 BOOST_ST_API BOOST_NOINLINE boost::stacktrace::stacktrace bar1() {
  81     boost::stacktrace::stacktrace result = bar1_impl();
  82     return result;
  83 }
  84
  85 BOOST_ST_API BOOST_NOINLINE boost::stacktrace::stacktrace bar2() {
  86     boost::stacktrace::stacktrace result = bar2_impl();
  87     return result;
  88 }
  89