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Merged
chandryan merged 1 commit into from
Jan 2, 2026
Merged

Refactor/backmp11: Various topics #161

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14 changes: 7 additions & 7 deletions doc/modules/ROOT/pages/tutorial/backmp11-back-end.adoc
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Original file line number Diff line number Diff line change
Expand Up @@ -21,9 +21,9 @@ It offers a significant reduction in compilation time and RAM usage, as can be s
| back | 18 | 953 | 7
| back_favor_compile_time | 21 | 1000 | 8
| back11 | 43 | 2794 | 7
| backmp11 | 3 | 229 | 3
| backmp11_favor_compile_time | 3 | 220 | 8
| sml | 12 | 363 | 3
| backmp11 | 3 | 213 | 3
| backmp11_favor_compile_time | 3 | 204 | 8
| sml | 11 | 362 | 3
|=======================================================================


Expand All @@ -34,10 +34,10 @@ It offers a significant reduction in compilation time and RAM usage, as can be s
| | Compile / sec | RAM / MB | Runtime / sec
| back | 68 | 2849 | 23
| back_favor_compile_time | 80 | 2551 | 261
| backmp11 | 10 | 438 | 11
| backmp11_favor_compile_time | 7 | 288 | 26
| backmp11_favor_compile_time_multi_cu | 5 | ~919 | 26
| sml | 48 | 1128 | 11
| backmp11 | 9 | 381 | 11
| backmp11_favor_compile_time | 7 | 285 | 26
| backmp11_favor_compile_time_multi_cu | 5 | ~915 | 26
| sml | 40 | 1056 | 11
|================================================================================


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42 changes: 39 additions & 3 deletions include/boost/msm/backmp11/common_types.hpp
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Original file line number Diff line number Diff line change
Expand Up @@ -16,7 +16,7 @@
#include <boost/msm/back/common_types.hpp>
#include <cstddef>

namespace boost { namespace msm { namespace backmp11
namespace boost::msm::backmp11
{

using process_result = back::HandledEnum;
Expand Down Expand Up @@ -85,7 +85,6 @@ class deferred_event
};

using EventSource = back::EventSourceEnum;
using back::HandledEnum;

constexpr EventSource operator|(EventSource lhs, EventSource rhs)
{
Expand Down Expand Up @@ -146,7 +145,44 @@ class basic_unique_ptr
};

} // namespace detail
} // namespace boost::msm::backmp11

}}} // namespace boost::msm::backmp11
namespace boost::msm::back
{

// Bitwise operations for process_result.
// Defined in this header instead of back because type_traits are C++11.
// Defined in the back namespace because the operations have to be in the
// same namespace as HandledEnum.

constexpr HandledEnum operator|(HandledEnum lhs, HandledEnum rhs)
{
return static_cast<HandledEnum>(
static_cast<std::underlying_type_t<HandledEnum>>(lhs) |
static_cast<std::underlying_type_t<HandledEnum>>(rhs)
);
}

constexpr HandledEnum& operator|=(HandledEnum& lhs, HandledEnum rhs)
{
lhs = lhs | rhs;
return lhs;
}

constexpr HandledEnum operator&(HandledEnum lhs, HandledEnum rhs)
{
return static_cast<HandledEnum>(
static_cast<std::underlying_type_t<HandledEnum>>(lhs) &
static_cast<std::underlying_type_t<HandledEnum>>(rhs)
);
}

constexpr HandledEnum& operator&=(HandledEnum& lhs, HandledEnum rhs)
{
lhs = lhs & rhs;
return lhs;
}

} // namespace boost::msm::back

#endif // BOOST_MSM_BACKMP11_COMMON_TYPES_H
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