libcxx/test/support/msvc_stdlib_force_include.h

   1 //===----------------------------------------------------------------------===//
   2 //
   3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4 // See https://llvm.org/LICENSE.txt for license information.
   5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8
   9 #ifndef SUPPORT_MSVC_STDLIB_FORCE_INCLUDE_H
  10 #define SUPPORT_MSVC_STDLIB_FORCE_INCLUDE_H
  11
  12 // This header is force-included when running the libc++ tests against the
  13 // MSVC standard library.
  14
  15 #ifndef _LIBCXX_IN_DEVCRT
  16     // Silence warnings about CRT machinery.
  17     #define _CRT_SECURE_NO_WARNINGS 1
  18
  19     // Avoid assertion dialogs.
  20     #define _CRT_SECURE_INVALID_PARAMETER(EXPR) ::abort()
  21 #endif // _LIBCXX_IN_DEVCRT
  22
  23 #include <crtdbg.h>
  24 #include <stdlib.h>
  25
  26 #if defined(_LIBCPP_VERSION)
  27     #error This header may not be used when targeting libc++
  28 #endif
  29
  30 #ifndef _LIBCXX_IN_DEVCRT
  31 struct AssertionDialogAvoider {
  32     AssertionDialogAvoider() {
  33         _CrtSetReportMode(_CRT_ASSERT, _CRTDBG_MODE_FILE);
  34         _CrtSetReportFile(_CRT_ASSERT, _CRTDBG_FILE_STDERR);
  35
  36         _CrtSetReportMode(_CRT_ERROR, _CRTDBG_MODE_FILE);
  37         _CrtSetReportFile(_CRT_ERROR, _CRTDBG_FILE_STDERR);
  38     }
  39 };
  40
  41 const AssertionDialogAvoider assertion_dialog_avoider{};
  42 #endif // _LIBCXX_IN_DEVCRT
  43
  44 // MSVC frontend only configurations
  45 #if !defined(__clang__)
  46     // Simulate feature-test macros.
  47     #define __has_feature(X) _MSVC_HAS_FEATURE_ ## X
  48     #define _MSVC_HAS_FEATURE_cxx_exceptions    1
  49     #define _MSVC_HAS_FEATURE_cxx_rtti          1
  50     #define _MSVC_HAS_FEATURE_address_sanitizer 0
  51     #define _MSVC_HAS_FEATURE_memory_sanitizer  0
  52     #define _MSVC_HAS_FEATURE_thread_sanitizer  0
  53
  54     #define __has_attribute(X) _MSVC_HAS_ATTRIBUTE_ ## X
  55     #define _MSVC_HAS_ATTRIBUTE_vector_size     0
  56
  57     // Silence compiler warnings.
  58     #pragma warning(disable: 4180) // qualifier applied to function type has no meaning; ignored
  59     #pragma warning(disable: 4324) // structure was padded due to alignment specifier
  60     #pragma warning(disable: 4521) // multiple copy constructors specified
  61     #pragma warning(disable: 4702) // unreachable code
  62     #pragma warning(disable: 28251) // Inconsistent annotation for 'new': this instance has no annotations.
  63 #endif // !defined(__clang__)
  64
  65 // MSVC doesn't have __int128_t.
  66 #define _LIBCPP_HAS_NO_INT128
  67
  68 #ifndef _LIBCXX_IN_DEVCRT
  69     // atomic_is_lock_free.pass.cpp needs this VS 2015 Update 2 fix.
  70     #define _ENABLE_ATOMIC_ALIGNMENT_FIX
  71
  72     // Restore features that are removed in C++20.
  73     #define _HAS_FEATURES_REMOVED_IN_CXX20 1
  74
  75     // Silence warnings about features that are deprecated in C++17 and C++20.
  76     #define _SILENCE_ALL_CXX17_DEPRECATION_WARNINGS
  77     #define _SILENCE_ALL_CXX20_DEPRECATION_WARNINGS
  78 #endif // _LIBCXX_IN_DEVCRT
  79
  80 #include <version>
  81
  82 #if _HAS_CXX20
  83     #define TEST_STD_VER 99
  84 #elif _HAS_CXX17
  85     #define TEST_STD_VER 17
  86 #else // !(_HAS_CXX20 || _HAS_CXX17)
  87     #define TEST_STD_VER 14
  88 #endif
  89
  90 #define _LIBCPP_AVAILABILITY_THROW_BAD_ANY_CAST
  91
  92 #ifdef __clang__
  93 #define _LIBCPP_SUPPRESS_DEPRECATED_PUSH \
  94     _Pragma("GCC diagnostic push") \
  95     _Pragma("GCC diagnostic ignored \"-Wdeprecated\"")
  96 #define _LIBCPP_SUPPRESS_DEPRECATED_POP \
  97     _Pragma("GCC diagnostic pop")
  98 #else // ^^^ clang / MSVC vvv
  99 #define _LIBCPP_SUPPRESS_DEPRECATED_PUSH \
 100     __pragma(warning(push)) \
 101     __pragma(warning(disable : 4996)) \
 102     __pragma(warning(disable : 5215))
 103 #define _LIBCPP_SUPPRESS_DEPRECATED_POP \
 104     __pragma(warning(pop))
 105 #endif // __clang__
 106
 107 #endif // SUPPORT_MSVC_STDLIB_FORCE_INCLUDE_H