llvm/llvm/include/llvm/Demangle/DemangleConfig.h

//===--- DemangleConfig.h ---------------------------------------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// This file contains a variety of feature test macros copied from
// include/llvm/Support/Compiler.h so that LLVMDemangle does not need to take
// a dependency on LLVMSupport.
//
//===----------------------------------------------------------------------===//

#ifndef LLVM_DEMANGLE_DEMANGLECONFIG_H
#define LLVM_DEMANGLE_DEMANGLECONFIG_H

#ifndef __has_feature
#define __has_feature …
#endif

#ifndef __has_cpp_attribute
#define __has_cpp_attribute …
#endif

#ifndef __has_attribute
#define __has_attribute …
#endif

#ifndef __has_builtin
#define __has_builtin …
#endif

#ifndef DEMANGLE_GNUC_PREREQ
#if defined(__GNUC__) && defined(__GNUC_MINOR__) && defined(__GNUC_PATCHLEVEL__)
#define DEMANGLE_GNUC_PREREQ(maj, min, patch) …
#elif defined(__GNUC__) && defined(__GNUC_MINOR__)
#define DEMANGLE_GNUC_PREREQ …
#else
#define DEMANGLE_GNUC_PREREQ …
#endif
#endif

#if __has_attribute(used) || DEMANGLE_GNUC_PREREQ(3, 1, 0)
#define DEMANGLE_ATTRIBUTE_USED …
#else
#define DEMANGLE_ATTRIBUTE_USED
#endif

#if __has_builtin(__builtin_unreachable) || DEMANGLE_GNUC_PREREQ(4, 5, 0)
#define DEMANGLE_UNREACHABLE …
#elif defined(_MSC_VER)
#define DEMANGLE_UNREACHABLE …
#else
#define DEMANGLE_UNREACHABLE
#endif

#if __has_attribute(noinline) || DEMANGLE_GNUC_PREREQ(3, 4, 0)
#define DEMANGLE_ATTRIBUTE_NOINLINE …
#elif defined(_MSC_VER)
#define DEMANGLE_ATTRIBUTE_NOINLINE …
#else
#define DEMANGLE_ATTRIBUTE_NOINLINE
#endif

#if !defined(NDEBUG)
#define DEMANGLE_DUMP_METHOD …
#else
#define DEMANGLE_DUMP_METHOD …
#endif

#if __cplusplus > 201402L && __has_cpp_attribute(fallthrough)
#define DEMANGLE_FALLTHROUGH …
#elif __has_cpp_attribute(gnu::fallthrough)
#define DEMANGLE_FALLTHROUGH …
#elif !__cplusplus
// Workaround for llvm.org/PR23435, since clang 3.6 and below emit a spurious
// error when __has_cpp_attribute is given a scoped attribute in C mode.
#define DEMANGLE_FALLTHROUGH
#elif __has_cpp_attribute(clang::fallthrough)
#define DEMANGLE_FALLTHROUGH …
#else
#define DEMANGLE_FALLTHROUGH
#endif

#ifndef DEMANGLE_ASSERT
#include <cassert>
#define DEMANGLE_ASSERT(__expr, __msg) …
#endif

#define DEMANGLE_NAMESPACE_BEGIN …
#define DEMANGLE_NAMESPACE_END …

#endif