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- #pragma once
- #ifdef __GNUC__
- #pragma GCC diagnostic push
- #pragma GCC diagnostic ignored "-Wunused-parameter"
- #endif
- //===--- 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(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
- #ifdef __GNUC__
- #pragma GCC diagnostic pop
- #endif
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