d95ca09be4
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@248993 91177308-0d34-0410-b5e6-96231b3b80d8
105 lines
2.7 KiB
C++
105 lines
2.7 KiB
C++
// -*- C++ -*-
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//===---------------------------- test_macros.h ---------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is dual licensed under the MIT and the University of Illinois Open
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// Source Licenses. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#ifndef SUPPORT_TEST_MACROS_HPP
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#define SUPPORT_TEST_MACROS_HPP
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#define TEST_CONCAT1(X, Y) X##Y
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#define TEST_CONCAT(X, Y) TEST_CONCAT1(X, Y)
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#ifdef __has_feature
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#define TEST_HAS_FEATURE(X) __has_feature(X)
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#else
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#define TEST_HAS_FEATURE(X) 0
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#endif
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#ifdef __has_extension
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#define TEST_HAS_EXTENSION(X) __has_extension(X)
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#else
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#define TEST_HAS_EXTENSION(X) 0
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#endif
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/* Make a nice name for the standard version */
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#if __cplusplus <= 199711L
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# define TEST_STD_VER 3
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#elif __cplusplus <= 201103L
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# define TEST_STD_VER 11
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#elif __cplusplus <= 201402L
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# define TEST_STD_VER 14
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#else
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# define TEST_STD_VER 99 // greater than current standard
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#endif
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/* Features that were introduced in C++11 */
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#if TEST_STD_VER >= 11
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#define TEST_HAS_RVALUE_REFERENCES
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#define TEST_HAS_VARIADIC_TEMPLATES
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#define TEST_HAS_INITIALIZER_LISTS
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#define TEST_HAS_BASIC_CONSTEXPR
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#endif
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/* Features that were introduced in C++14 */
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#if TEST_STD_VER >= 14
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#define TEST_HAS_EXTENDED_CONSTEXPR
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#define TEST_HAS_VARIABLE_TEMPLATES
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#endif
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/* Features that were introduced after C++14 */
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#if TEST_STD_VER > 14
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#endif
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#if TEST_HAS_EXTENSION(cxx_decltype) || TEST_STD_VER >= 11
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#define TEST_DECLTYPE(T) decltype(T)
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#else
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#define TEST_DECLTYPE(T) __typeof__(T)
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#endif
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#if TEST_STD_VER >= 11
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#define TEST_CONSTEXPR constexpr
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#define TEST_NOEXCEPT noexcept
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#else
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#define TEST_CONSTEXPR
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#define TEST_NOEXCEPT
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#endif
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#if TEST_HAS_EXTENSION(cxx_static_assert) || TEST_STD_VER >= 11
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# define TEST_STATIC_ASSERT(Expr, Msg) static_assert(Expr, Msg)
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#else
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# define TEST_STATIC_ASSERT(Expr, Msg) \
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typedef ::test_detail::static_assert_check<sizeof( \
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::test_detail::static_assert_incomplete_test<(Expr)>)> \
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TEST_CONCAT(test_assert, __LINE__)
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#
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#endif
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namespace test_detail {
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template <bool> struct static_assert_incomplete_test;
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template <> struct static_assert_incomplete_test<true> {};
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template <unsigned> struct static_assert_check {};
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} // end namespace test_detail
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#if !TEST_HAS_FEATURE(cxx_rtti) && !defined(__cxx_rtti)
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#define TEST_HAS_NO_RTTI
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#endif
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#if !TEST_HAS_FEATURE(cxx_exceptions) && !defined(__cxx_exceptions)
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#define TEST_HAS_NO_EXCEPTIONS
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#endif
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#if TEST_HAS_FEATURE(address_sanitizer) || TEST_HAS_FEATURE(memory_sanitizer) || \
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TEST_HAS_FEATURE(thread_sanitizer)
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#define TEST_HAS_SANITIZERS
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#endif
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#endif // SUPPORT_TEST_MACROS_HPP
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