diff options
Diffstat (limited to 'include/rapidjson/rapidjson.h')
-rw-r--r-- | include/rapidjson/rapidjson.h | 71 |
1 files changed, 60 insertions, 11 deletions
diff --git a/include/rapidjson/rapidjson.h b/include/rapidjson/rapidjson.h index 78aa89a0..a4e89532 100644 --- a/include/rapidjson/rapidjson.h +++ b/include/rapidjson/rapidjson.h @@ -125,6 +125,19 @@ #endif /////////////////////////////////////////////////////////////////////////////// +// __cplusplus macro + +//!@cond RAPIDJSON_HIDDEN_FROM_DOXYGEN + +#if defined(_MSC_VER) +#define RAPIDJSON_CPLUSPLUS _MSVC_LANG +#else +#define RAPIDJSON_CPLUSPLUS __cplusplus +#endif + +//!@endcond + +/////////////////////////////////////////////////////////////////////////////// // RAPIDJSON_HAS_STDSTRING #ifndef RAPIDJSON_HAS_STDSTRING @@ -150,6 +163,24 @@ #endif // RAPIDJSON_HAS_STDSTRING /////////////////////////////////////////////////////////////////////////////// +// RAPIDJSON_USE_MEMBERSMAP + +/*! \def RAPIDJSON_USE_MEMBERSMAP + \ingroup RAPIDJSON_CONFIG + \brief Enable RapidJSON support for object members handling in a \c std::multimap + + By defining this preprocessor symbol to \c 1, \ref rapidjson::GenericValue object + members are stored in a \c std::multimap for faster lookup and deletion times, a + trade off with a slightly slower insertion time and a small object allocat(or)ed + memory overhead. + + \hideinitializer +*/ +#ifndef RAPIDJSON_USE_MEMBERSMAP +#define RAPIDJSON_USE_MEMBERSMAP 0 // not by default +#endif + +/////////////////////////////////////////////////////////////////////////////// // RAPIDJSON_NO_INT64DEFINE /*! \def RAPIDJSON_NO_INT64DEFINE @@ -411,7 +442,7 @@ RAPIDJSON_NAMESPACE_END // Prefer C++11 static_assert, if available #ifndef RAPIDJSON_STATIC_ASSERT -#if __cplusplus >= 201103L || ( defined(_MSC_VER) && _MSC_VER >= 1800 ) +#if RAPIDJSON_CPLUSPLUS >= 201103L || ( defined(_MSC_VER) && _MSC_VER >= 1800 ) #define RAPIDJSON_STATIC_ASSERT(x) \ static_assert(x, RAPIDJSON_STRINGIFY(x)) #endif // C++11 @@ -541,8 +572,14 @@ RAPIDJSON_NAMESPACE_END /////////////////////////////////////////////////////////////////////////////// // C++11 features +#ifndef RAPIDJSON_HAS_CXX11 +#define RAPIDJSON_HAS_CXX11 (RAPIDJSON_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 @@ -559,8 +596,14 @@ RAPIDJSON_NAMESPACE_END #endif #endif // RAPIDJSON_HAS_CXX11_RVALUE_REFS +#if RAPIDJSON_HAS_CXX11_RVALUE_REFS +#include <utility> // std::move +#endif + #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 +613,13 @@ 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 @@ -600,9 +645,17 @@ RAPIDJSON_NAMESPACE_END /////////////////////////////////////////////////////////////////////////////// // C++17 features -#if defined(__has_cpp_attribute) -# if __has_cpp_attribute(fallthrough) -# define RAPIDJSON_DELIBERATE_FALLTHROUGH [[fallthrough]] +#ifndef RAPIDJSON_HAS_CXX17 +#define RAPIDJSON_HAS_CXX17 (RAPIDJSON_CPLUSPLUS >= 201703L) +#endif + +#if RAPIDJSON_HAS_CXX17 +# define RAPIDJSON_DELIBERATE_FALLTHROUGH [[fallthrough]] +#elif defined(__has_cpp_attribute) +# if __has_cpp_attribute(clang::fallthrough) +# define RAPIDJSON_DELIBERATE_FALLTHROUGH [[clang::fallthrough]] +# elif __has_cpp_attribute(fallthrough) +# define RAPIDJSON_DELIBERATE_FALLTHROUGH __attribute__((fallthrough)) # else # define RAPIDJSON_DELIBERATE_FALLTHROUGH # endif @@ -628,12 +681,8 @@ RAPIDJSON_NAMESPACE_END #ifndef RAPIDJSON_NOEXCEPT_ASSERT #ifdef RAPIDJSON_ASSERT_THROWS -#if RAPIDJSON_HAS_CXX11_NOEXCEPT -#define RAPIDJSON_NOEXCEPT_ASSERT(x) -#else #include <cassert> #define RAPIDJSON_NOEXCEPT_ASSERT(x) assert(x) -#endif // RAPIDJSON_HAS_CXX11_NOEXCEPT #else #define RAPIDJSON_NOEXCEPT_ASSERT(x) RAPIDJSON_ASSERT(x) #endif // RAPIDJSON_ASSERT_THROWS |