94 lines
3 KiB
C
94 lines
3 KiB
C
|
//===--- 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-FileCopyrightText: Part of the LLVM Project
|
||
|
|
// 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_COMPILER_H
|
||
|
|
#define LLVM_DEMANGLE_COMPILER_H
|
||
|
|
|
||
|
|
#ifndef __has_feature
|
||
|
|
#define __has_feature(x) 0
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#ifndef __has_cpp_attribute
|
||
|
|
#define __has_cpp_attribute(x) 0
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#ifndef __has_attribute
|
||
|
|
#define __has_attribute(x) 0
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#ifndef __has_builtin
|
||
|
|
#define __has_builtin(x) 0
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#ifndef DEMANGLE_GNUC_PREREQ
|
||
|
|
#if defined(__GNUC__) && defined(__GNUC_MINOR__) && defined(__GNUC_PATCHLEVEL__)
|
||
|
|
#define DEMANGLE_GNUC_PREREQ(maj, min, patch) \
|
||
|
|
((__GNUC__ << 20) + (__GNUC_MINOR__ << 10) + __GNUC_PATCHLEVEL__ >= \
|
||
|
|
((maj) << 20) + ((min) << 10) + (patch))
|
||
|
|
#elif defined(__GNUC__) && defined(__GNUC_MINOR__)
|
||
|
|
#define DEMANGLE_GNUC_PREREQ(maj, min, patch) \
|
||
|
|
((__GNUC__ << 20) + (__GNUC_MINOR__ << 10) >= ((maj) << 20) + ((min) << 10))
|
||
|
|
#else
|
||
|
|
#define DEMANGLE_GNUC_PREREQ(maj, min, patch) 0
|
||
|
|
#endif
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#if __has_attribute(used) || DEMANGLE_GNUC_PREREQ(3, 1, 0)
|
||
|
|
#define DEMANGLE_ATTRIBUTE_USED __attribute__((__used__))
|
||
|
|
#else
|
||
|
|
#define DEMANGLE_ATTRIBUTE_USED
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#if __has_builtin(__builtin_unreachable) || DEMANGLE_GNUC_PREREQ(4, 5, 0)
|
||
|
|
#define DEMANGLE_UNREACHABLE __builtin_unreachable()
|
||
|
|
#elif defined(_MSC_VER)
|
||
|
|
#define DEMANGLE_UNREACHABLE __assume(false)
|
||
|
|
#else
|
||
|
|
#define DEMANGLE_UNREACHABLE
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#if __has_attribute(noinline) || DEMANGLE_GNUC_PREREQ(3, 4, 0)
|
||
|
|
#define DEMANGLE_ATTRIBUTE_NOINLINE __attribute__((noinline))
|
||
|
|
#elif defined(_MSC_VER)
|
||
|
|
#define DEMANGLE_ATTRIBUTE_NOINLINE __declspec(noinline)
|
||
|
|
#else
|
||
|
|
#define DEMANGLE_ATTRIBUTE_NOINLINE
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#if !defined(NDEBUG)
|
||
|
|
#define DEMANGLE_DUMP_METHOD DEMANGLE_ATTRIBUTE_NOINLINE DEMANGLE_ATTRIBUTE_USED
|
||
|
|
#else
|
||
|
|
#define DEMANGLE_DUMP_METHOD DEMANGLE_ATTRIBUTE_NOINLINE
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#if __cplusplus > 201402L && __has_cpp_attribute(fallthrough)
|
||
|
|
#define DEMANGLE_FALLTHROUGH [[fallthrough]]
|
||
|
|
#elif __has_cpp_attribute(gnu::fallthrough)
|
||
|
|
#define DEMANGLE_FALLTHROUGH [[gnu::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 [[clang::fallthrough]]
|
||
|
|
#else
|
||
|
|
#define DEMANGLE_FALLTHROUGH
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#define DEMANGLE_NAMESPACE_BEGIN namespace llvm { namespace itanium_demangle {
|
||
|
|
#define DEMANGLE_NAMESPACE_END } }
|
||
|
|
|
||
|
|
#endif
|