View source for 使用到的C++11特性

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[[使用到的boost库|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。

标记为''斜体''的宏已经从代码中删除，因为所有支持的编译器都已经包含那些特性。

== C++11核心语言功能 ==

{| class="wikitable"
|-
! 语言功能 !! 宏 !! MSVC !! GCC !! Clang !! 替代方案
|- 
| Allowing move constructors to throw [noexcept] || KLAYGE_CXX11_CORE_NOEXCEPT_SUPPORT || {{Yes}}14.0 || {{Yes}}4.6 || {{Yes}}3.0 || throw()
|-
| auto-typed variables, Multi-declarator auto, Declared type of an expression || ''KLAYGE_CXX11_CORE_DECLTYPE_SUPPORT'' || {{Yes}}10.0 || {{Yes}}4.3 || {{Yes}}2.9 || Boost.Typeof
|-
| Extern templates || ''KLAYGE_CXX11_CORE_EXTERN_TEMPLATES_SUPPORT'' || {{Yes}}9.0 || {{Yes}}4.3 || {{Yes}}2.9 ||
|-
| Explicit virtual overrides || ''KLAYGE_CXX11_CORE_OVERRIDE_SUPPORT'' || {{Yes}}11.0 || {{Yes}}4.7 || {{Yes}}3.0 || #define
|-
| Generalized constant expressions || KLAYGE_CXX11_CORE_CONSTEXPR_SUPPORT || {{Yes}}14.0 || {{Yes}}4.6 || {{Yes}}3.1 ||
|-
| Null pointer constant || ''KLAYGE_CXX11_CORE_NULLPTR_SUPPORT'' || {{Yes}}10.0 || {{Yes}}4.6 || {{Yes}}3.0 || 自己实现的nullptr
|-
| Range-based for || ''KLAYGE_CXX11_CORE_FOREACH_SUPPORT'' || {{Yes}}11.0 || {{Yes}}4.6 || {{Yes}}3.0 || Boost.Foreach
|-
| Rvalue references || ''KLAYGE_CXX11_CORE_RVALUE_REFERENCES_SUPPORT'' || {{Yes}}10.0 || {{Yes}}4.3 || {{Yes}}2.9 || Boost.Move
|-
| Static assertions || ''KLAYGE_CXX11_CORE_STATIC_ASSERT_SUPPORT'' || {{Yes}}10.0 || {{Yes}}4.3 || {{Yes}}2.9 || Boost.StaticAssert
|-
| Strongly-typed enums || ''KLAYGE_CXX11_CORE_STRONGLY_TYPED_ENUMS_SUPPORT'' || {{Yes}}11.0 || {{Yes}}4.4 || {{Yes}}2.9 || C++98 enum
|-
| Variadic templates || ''KLAYGE_CXX11_CORE_VARIADIC_TEMPLATES'' || {{Yes}}12.0 || {{Yes}}4.3 || {{Yes}}2.9 ||
|}

== C++11核心语言功能：并行 ==

== C++11核心语言功能：C99 ==

== C++11库 ==

{| class="wikitable"
|-
! 名称 !! 宏 !! MSVC !! GCC !! Clang !! 替代方案
|-
| algorithm (只用了copy_if) || ''KLAYGE_CXX11_LIBRARY_ALGORITHM_SUPPORT'' || {{Yes}}11.0 || {{Yes}}4.3 || {{Yes}}3.0 || 自己实现的copy_if
|-
| array || ''KLAYGE_CXX11_LIBRARY_ARRAY_SUPPORT'' || {{Yes}}10.0 || {{Yes}}4.3 || {{Yes}}3.0 || Boost.Array
|-
| atomic || ''KLAYGE_CXX11_LIBRARY_ATOMIC_SUPPORT'' || {{Yes}}11.0 || {{Yes}}4.4 || {{Yes}}3.0 || Boost.Atomic
|-
| chrono || ''KLAYGE_CXX11_LIBRARY_CHRONO_SUPPORT'' || {{Yes}}11.0 || {{Yes}}4.4 (必须有_GLIBCXX_HAS_GTHREADS) || {{Yes}}3.0 || Boost.Chrono
|-
| cstdint || ''KLAYGE_CXX11_LIBRARY_CSTDINT_SUPPORT'' || {{Yes}}10.0 || {{Yes}}4.3 || {{Yes}}3.0 || Boost.Integer
|-
| emplace || ''KLAYGE_CXX11_LIBRARY_EMPLACE_SUPPORT'' || {{Yes}}10.0 || {{Yes}}4.8 || {{Yes}}3.0 || 
|-
| functional || ''KLAYGE_CXX11_LIBRARY_FUNCTIONAL_SUPPORT'' || {{Yes}}10.0 || {{Yes}}4.3 || {{Yes}}3.0 || Boost.Functional
|-
| mem_fn || ''KLAYGE_CXX11_LIBRARY_MEM_FN_SUPPORT'' || {{Yes}}12.0 || {{Yes}}4.8 || {{Yes}}3.4 || Boost.MemFn
|-
| random || ''KLAYGE_CXX11_LIBRARY_RANDOM_SUPPORT'' || {{Yes}}10.0 || {{Yes}}4.3 || {{Yes}}3.0 || Boost.Random
|-
| regex || ''KLAYGE_CXX11_LIBRARY_REGEX_SUPPORT'' || {{Yes}}10.0 || {{Yes}}4.9 || {{Yes}}3.0 || Boost.Regex
|-
| smart_ptr || ''KLAYGE_CXX11_LIBRARY_SMART_PTR_SUPPORT'' || {{Yes}}11.0 || {{Yes}}4.3 || {{Yes}}3.0 || Boost.SmartPtr
|-
| system_error || ''KLAYGE_CXX11_LIBRARY_SYSTEM_ERROR_SUPPORT'' || {{Yes}}10.0 || {{Yes}}4.4 || {{Yes}}3.0 || Boost.System
|-
| thread || ''KLAYGE_CXX11_LIBRARY_THREAD_SUPPORT'' || {{Yes}}11.0 || {{Yes}}4.4 (必须有_GLIBCXX_HAS_GTHREADS) || {{Yes}}3.0 || Boost.Thread
|-
| tuple || ''KLAYGE_CXX11_LIBRARY_TUPLE_SUPPORT'' || {{Yes}}10.0 || {{Yes}}4.3 || {{Yes}}3.0 || Boost.Tuple
|-
| type_traits || ''KLAYGE_CXX11_LIBRARY_TYPE_TRAITS_SUPPORT'' || {{Yes}}10.0 || {{Yes}}4.3 || {{Yes}}3.0 || Boost.TypeTraits
|-
| unordered || ''KLAYGE_CXX11_LIBRARY_UNORDERED_SUPPORT'' || {{Yes}}10.0 || {{Yes}}4.3 || {{Yes}}3.0 || Boost.Unordered
|}

== TS ==
{| class="wikitable"
|-
! 名称 !! 宏 !! MSVC !! GCC !! Clang !! 替代方案
|-
| filesystem || KLAYGE_TS_LIBRARY_FILESYSTEM_V2_SUPPORT || {{Yes}}11.0 || {{No}}No || {{No}}No || Boost.FileSystem
|-
| filesystem || KLAYGE_TS_LIBRARY_FILESYSTEM_V3_SUPPORT || {{Yes}}14.0 || {{No}}No || {{No}}No || Boost.FileSystem
|-
| optional || KLAYGE_TS_LIBRARY_OPTIONAL_SUPPORT || {{No}}No || {{Yes}}4.9 || {{No}}No || Boost.Optional
|-
| any || KLAYGE_TS_LIBRARY_ANY_SUPPORT || {{No}}No || {{Yes}}5.1 || {{No}}No || Boost.Any
|}

== 相关内容 ==
[[多种编译器对C++11的支持]]

[[使用到的boost库]]

[[en: Used C++11 features]]