使用到的C++11特性
From KlayGE
Revision as of 21:08, 7 July 2015 by Gongminmin (Talk | contribs)
从KlayGE 4.2开始，一些C++11特性被引入代码中，部分替代了原先使用boost实现的功能。根据编译器和版本的不同，KFL会定义一些宏，来判断一个功能是否可用。这些宏都定义在KFL/Config.hpp中。
C++11核心语言功能
| 语言功能 | 宏 | MSVC | GCC | Clang | 替代方案 |
|---|---|---|---|---|---|
| Allowing move constructors to throw [noexcept] | KLAYGE_CXX11_CORE_NOEXCEPT_SUPPORT | 14.0 | 4.6 | 3.0 | throw() |
| Declared type of an expression | KLAYGE_CXX11_CORE_DECLTYPE_SUPPORT | 10.0 | 4.3 | 2.9 | Boost.Typeof |
| Extern templates | KLAYGE_CXX11_CORE_EXTERN_TEMPLATES_SUPPORT | 9.0 | 4.3 | 2.9 | |
| Explicit virtual overrides | KLAYGE_CXX11_CORE_OVERRIDE_SUPPORT | 11.0 | 4.7 | 3.0 | #define |
| Generalized constant expressions | KLAYGE_CXX11_CORE_CONSTEXPR_SUPPORT | 14.0 | 4.6 | 3.1 | |
| Null pointer constant | KLAYGE_CXX11_CORE_NULLPTR_SUPPORT | 10.0 | 4.6 | 3.0 | 自己实现的null_ptr |
| Range-based for | KLAYGE_CXX11_CORE_FOREACH_SUPPORT | 11.0 | 4.6 | 3.0 | Boost.Foreach |
| Rvalue references | KLAYGE_CXX11_CORE_RVALUE_REFERENCES_SUPPORT | 10.0 | 4.3 | 2.9 | Boost.Move |
| Static assertions | KLAYGE_CXX11_CORE_STATIC_ASSERT_SUPPORT | 10.0 | 4.3 | 2.9 | Boost.StaticAssert |
| Strongly-typed enums | KLAYGE_CXX11_CORE_STRONGLY_TYPED_ENUMS_SUPPORT | 11.0 | 4.4 | 2.9 | C++98 enum |
| Variadic templates | KLAYGE_CXX11_CORE_VARIADIC_TEMPLATES | 12.0 | 4.3 | 2.9 |
C++11核心语言功能：并行
C++11核心语言功能：C99
C++11库
| 名称 | 宏 | MSVC | GCC | Clang | 替代方案 |
|---|---|---|---|---|---|
| algorithm (只用了copy_if) | KLAYGE_CXX11_LIBRARY_ALGORITHM_SUPPORT | 11.0 | 4.3 | 3.0 | 自己实现的copy_if |
| array | KLAYGE_CXX11_LIBRARY_ARRAY_SUPPORT | 10.0 | 4.3 | 3.0 | Boost.Array |
| atomic | KLAYGE_CXX11_LIBRARY_ATOMIC_SUPPORT | 11.0 | 4.4 | 3.0 | Boost.Atomic |
| chrono | KLAYGE_CXX11_LIBRARY_CHRONO_SUPPORT | 11.0 | 4.4 (必须有_GLIBCXX_HAS_GTHREADS) | 3.0 | Boost.Chrono |
| cstdint | KLAYGE_CXX11_LIBRARY_CSTDINT_SUPPORT | 10.0 | 4.3 | 3.0 | Boost.Integer |
| functional | KLAYGE_CXX11_LIBRARY_FUNCTIONAL_SUPPORT | 10.0 | 4.3 | 3.0 | Boost.Functional |
| mem_fn | KLAYGE_CXX11_LIBRARY_MEM_FN_SUPPORT | 12.0 | 4.8 | No | Boost.MemFn |
| random | KLAYGE_CXX11_LIBRARY_RANDOM_SUPPORT | 10.0 | 4.3 | 3.0 | Boost.Random |
| regex | KLAYGE_CXX11_LIBRARY_REGEX_SUPPORT | 10.0 | 4.9 | 3.0 | Boost.Regex |
| smart_ptr | KLAYGE_CXX11_LIBRARY_SMART_PTR_SUPPORT | 11.0 | 4.3 | 3.0 | Boost.SmartPtr |
| system_error | KLAYGE_CXX11_LIBRARY_SYSTEM_ERROR_SUPPORT | 10.0 | 4.4 | 3.0 | Boost.System |
| thread | KLAYGE_CXX11_LIBRARY_THREAD_SUPPORT | 11.0 | 4.4 (必须有_GLIBCXX_HAS_GTHREADS) | 3.0 | Boost.Thread |
| tuple | KLAYGE_CXX11_LIBRARY_TUPLE_SUPPORT | 10.0 | 4.3 | 3.0 | Boost.Tuple |
| type_traits | KLAYGE_CXX11_LIBRARY_TYPE_TRAITS_SUPPORT | 10.0 | 4.3 | 3.0 | Boost.TypeTraits |
| unordered | KLAYGE_CXX11_LIBRARY_UNORDERED_SUPPORT | 10.0 | 4.3 | 3.0 | Boost.Unordered |
TS
| 名称 | 宏 | MSVC | GCC | Clang | 替代方案 |
|---|---|---|---|---|---|
| filesystem | KLAYGE_TS_LIBRARY_FILESYSTEM_V2_SUPPORT | 11.0 | No | No | Boost.FileSystem |
| filesystem | KLAYGE_TS_LIBRARY_FILESYSTEM_V3_SUPPORT | 14.0 | No | No | Boost.FileSystem |
| optional | KLAYGE_TS_LIBRARY_OPTIONAL_SUPPORT | No | 4.9 | No | Boost.Optional |
| any | KLAYGE_TS_LIBRARY_ANY_SUPPORT | No | No | No | Boost.Any |
