Go to the documentation of this file.
10 #ifndef MSGPACK_VERSIONING_HPP
11 #define MSGPACK_VERSIONING_HPP
13 #if !defined(MSGPACK_DEFAULT_API_VERSION)
14 #define MSGPACK_DEFAULT_API_VERSION 3
17 #define MSGPACK_DEFAULT_API_NS MSGPACK_DETAIL_PP_CAT(v, MSGPACK_DEFAULT_API_VERSION)
19 #if MSGPACK_DEFAULT_API_VERSION == 1
20 #define MSGPACK_DETAIL_PP_ENABLE_NS_v1 ()
21 #elif MSGPACK_DEFAULT_API_VERSION == 2
22 #define MSGPACK_DETAIL_PP_ENABLE_NS_v2 ()
23 #elif MSGPACK_DEFAULT_API_VERSION == 3
24 #define MSGPACK_DETAIL_PP_ENABLE_NS_v3 ()
29 #define MSGPACK_DETAIL_PP_CAT(a, ...) MSGPACK_DETAIL_PP_PRIMITIVE_CAT(a, __VA_ARGS__)
30 #define MSGPACK_DETAIL_PP_PRIMITIVE_CAT(a, ...) a ## __VA_ARGS__
32 #define MSGPACK_DETAIL_PP_IIF(c) MSGPACK_DETAIL_PP_PRIMITIVE_CAT(MSGPACK_DETAIL_PP_IIF_, c)
33 #define MSGPACK_DETAIL_PP_IIF_0(t, ...) __VA_ARGS__
34 #define MSGPACK_DETAIL_PP_IIF_1(t, ...) t
36 #define MSGPACK_DETAIL_PP_PROBE(x) x, 1
40 #define MSGPACK_DETAIL_PP_MSVC_VA_ARGS_WORKAROUND(define, args) define args
41 #define MSGPACK_DETAIL_PP_CHECK(...) MSGPACK_DETAIL_PP_MSVC_VA_ARGS_WORKAROUND(MSGPACK_DETAIL_PP_CHECK_N, (__VA_ARGS__, 0, 0))
42 #define MSGPACK_DETAIL_PP_CHECK_N(x, n, ...) n
44 #else // defined(__MSC_VER)
46 #define MSGPACK_DETAIL_PP_CHECK(...) MSGPACK_DETAIL_PP_CHECK_N(__VA_ARGS__, 0, 0)
47 #define MSGPACK_DETAIL_PP_CHECK_N(x, n, ...) n
49 #endif // defined(__MSC_VER)
52 #define MSGPACK_DETAIL_PP_NS_ENABLED_PROBE(ns) MSGPACK_DETAIL_PP_NS_ENABLED_PROBE_PROXY( MSGPACK_DETAIL_PP_ENABLE_NS_##ns )
53 #define MSGPACK_DETAIL_PP_NS_ENABLED_PROBE_PROXY(...) MSGPACK_DETAIL_PP_NS_ENABLED_PROBE_PRIMIVIE(__VA_ARGS__)
54 #define MSGPACK_DETAIL_PP_NS_ENABLED_PROBE_PRIMIVIE(x) MSGPACK_DETAIL_PP_NS_ENABLED_PROBE_COMBINE_ x
55 #define MSGPACK_DETAIL_PP_NS_ENABLED_PROBE_COMBINE_(...) MSGPACK_DETAIL_PP_PROBE(~)
57 #define MSGPACK_DETAIL_PP_IS_NS_ENABLED(ns) MSGPACK_DETAIL_PP_CHECK(MSGPACK_DETAIL_PP_NS_ENABLED_PROBE(ns))
59 #if __cplusplus < 201103L
60 #define MSGPACK_API_VERSION_NAMESPACE(ns) MSGPACK_DETAIL_PP_IIF(MSGPACK_DETAIL_PP_IS_NS_ENABLED(ns)) \
61 (namespace ns{}; using namespace ns; namespace ns, \
64 #else // __cplusplus < 201103L
66 #define MSGPACK_API_VERSION_NAMESPACE(ns) MSGPACK_DETAIL_PP_IIF(MSGPACK_DETAIL_PP_IS_NS_ENABLED(ns)) \
67 (inline namespace ns, namespace ns)
69 #endif // __cplusplus < 201103L
71 #endif // MSGPACK_VERSIONING_HPP