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Provide RAPIDJSON_HAS_CXX11 and use it for RAPIDJSON_HAS_CXX11_RVALUE_REFS and RAPIDJSON_HAS_CXX11_NOEXCEPT.

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This commit is contained in:
ylavic 2021-03-12 15:14:30 +01:00
parent 1c2c8e085a
commit cdb2d4757d
1 changed files with 13 additions and 3 deletions
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16
include/rapidjson/rapidjson.h
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@ -541,8 +541,14 @@ RAPIDJSON_NAMESPACE_END
///////////////////////////////////////////////////////////////////////////////
// C++11 features
#ifndef RAPIDJSON_HAS_CXX11
#define RAPIDJSON_HAS_CXX11 (__cplusplus >= 201103L)
#endif
#ifndef RAPIDJSON_HAS_CXX11_RVALUE_REFS
#if defined(__clang__)
#if RAPIDJSON_HAS_CXX11
#define RAPIDJSON_HAS_CXX11_RVALUE_REFS 1
#elif defined(__clang__)
#if __has_feature(cxx_rvalue_references) && \
(defined(_MSC_VER) || defined(_LIBCPP_VERSION) || defined(__GLIBCXX__) && __GLIBCXX__ >= 20080306)
#define RAPIDJSON_HAS_CXX11_RVALUE_REFS 1
@ -560,7 +566,9 @@ RAPIDJSON_NAMESPACE_END
#endif // RAPIDJSON_HAS_CXX11_RVALUE_REFS
#ifndef RAPIDJSON_HAS_CXX11_NOEXCEPT
#if defined(__clang__)
#if RAPIDJSON_HAS_CXX11
#define RAPIDJSON_HAS_CXX11_NOEXCEPT 1
#elif defined(__clang__)
#define RAPIDJSON_HAS_CXX11_NOEXCEPT __has_feature(cxx_noexcept)
#elif (defined(RAPIDJSON_GNUC) && (RAPIDJSON_GNUC >= RAPIDJSON_VERSION_CODE(4,6,0)) && defined(__GXX_EXPERIMENTAL_CXX0X__)) || \
(defined(_MSC_VER) && _MSC_VER >= 1900) || \
@ -570,11 +578,13 @@ RAPIDJSON_NAMESPACE_END
#define RAPIDJSON_HAS_CXX11_NOEXCEPT 0
#endif
#endif
#ifndef RAPIDJSON_NOEXCEPT
#if RAPIDJSON_HAS_CXX11_NOEXCEPT
#define RAPIDJSON_NOEXCEPT noexcept
#else
#define RAPIDJSON_NOEXCEPT /* noexcept */
#define RAPIDJSON_NOEXCEPT throw()
#endif // RAPIDJSON_HAS_CXX11_NOEXCEPT
#endif
// no automatic detection, yet
#ifndef RAPIDJSON_HAS_CXX11_TYPETRAITS