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Improve the feature tests

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* Also intend those manually and add ca clang-format (6.0)
  placeholder.
This commit is contained in:
Denis Blank 2018-02-06 02:18:28 +01:00
parent a02e9bdf89
commit 88aebb422b
2 changed files with 39 additions and 23 deletions
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1
.clang-format
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@ -7,5 +7,6 @@ AllowShortCaseLabelsOnASingleLine: false
AlwaysBreakTemplateDeclarations: true AlwaysBreakTemplateDeclarations: true
BinPackArguments: true BinPackArguments: true
FixNamespaceComments: true FixNamespaceComments: true
# IndentPPDirectives: AfterHash
MacroBlockBegin: "^CONTINUABLE_BLOCK_.*_BEGIN$" MacroBlockBegin: "^CONTINUABLE_BLOCK_.*_BEGIN$"
MacroBlockEnd: "^CONTINUABLE_BLOCK_.*_END$" MacroBlockEnd: "^CONTINUABLE_BLOCK_.*_END$"

61
include/continuable/detail/features.hpp
View File

@ -47,33 +47,48 @@
#endif #endif
#endif // CONTINUABLE_WITH_NO_EXCEPTIONS #endif // CONTINUABLE_WITH_NO_EXCEPTIONS
// clang-format off
// Detect if the whole standard is available
#if (defined(_MSC_VER) && defined(_HAS_CXX17) && _HAS_CXX17) || \
(__cplusplus >= 201703L)
#define CONTINUABLE_HAS_CXX17_CONSTEXPR_IF
#define CONTINUABLE_HAS_CXX17_FOLD_EXPRESSION
#define CONTINUABLE_HAS_CXX17_DISJUNCTION
#else
// Generic feature detection based on __has_feature
#if defined(__has_feature)
#if !defined(CONTINUABLE_HAS_CXX17_FOLD_EXPRESSION) && \
__has_feature(cxx_if_constexpr)
#define CONTINUABLE_HAS_CXX17_CONSTEXPR_IF
#endif
#if !defined(CONTINUABLE_HAS_CXX17_FOLD_EXPRESSION) && \
__has_feature(cxx_fold_expressions)
// PR not merged into the clang master yet
#define CONTINUABLE_HAS_CXX17_FOLD_EXPRESSION
#endif
#endif
#if !defined(CONTINUABLE_HAS_CXX17_FOLD_EXPRESSION) && \
defined(__cpp_lib_experimental_logical_traits) && \
(__cpp_lib_experimental_logical_traits >= 201511)
#define CONTINUABLE_HAS_CXX17_DISJUNCTION
#endif
#endif
/// Usually this is enabled by the CMake project
#if !defined(CONTINUABLE_HAS_EXPERIMENTAL_COROUTINE) && \
defined(__cpp_coroutines) && (__cpp_coroutines >= 201707)
#define CONTINUABLE_HAS_EXPERIMENTAL_COROUTINE
#endif
/// Define CONTINUABLE_WITH_EXCEPTIONS when exceptions are used /// Define CONTINUABLE_WITH_EXCEPTIONS when exceptions are used
#if !defined(CONTINUABLE_WITH_CUSTOM_ERROR_TYPE) && \ #if !defined(CONTINUABLE_WITH_CUSTOM_ERROR_TYPE) && \
!defined(CONTINUABLE_WITH_NO_EXCEPTIONS) !defined(CONTINUABLE_WITH_NO_EXCEPTIONS)
#define CONTINUABLE_WITH_EXCEPTIONS 1 #define CONTINUABLE_WITH_EXCEPTIONS 1
#else #else
#undef CONTINUABLE_WITH_EXCEPTIONS #undef CONTINUABLE_WITH_EXCEPTIONS
#endif #endif
// clang-format on
#if (defined(_MSC_VER) && defined(_HAS_CXX17) && _HAS_CXX17) || \
(__cplusplus >= 201703L)
#define CONTINUABLE_HAS_CXX17_CONSTEXPR_IF
#define CONTINUABLE_HAS_CXX17_FOLD_EXPRESSION
#elif defined(__has_feature)
#if __has_feature(cxx_if_constexpr)
#define CONTINUABLE_HAS_CXX17_CONSTEXPR_IF
#endif
#if __has_feature(cxx_fold_expressions)
// PR not merged into the clang master yet
#define CONTINUABLE_HAS_CXX17_FOLD_EXPRESSION
#endif
#endif
// TODO
// #define CONTINUABLE_HAS_CXX17_DISJUNCTION
/// This is enabled by the CMake project
// #undef CONTINUABLE_HAS_EXPERIMENTAL_COROUTINE
#endif // CONTINUABLE_DETAIL_FEATURES_HPP_INCLUDED #endif // CONTINUABLE_DETAIL_FEATURES_HPP_INCLUDED