Details | Last modification | View Log | RSS feed
| Rev | Author | Line No. | Line |
|---|---|---|---|
| 14 | pmbaty | 1 | //===--- DemangleConfig.h ---------------------------------------*- C++ -*-===// |
| 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 | // This file contains a variety of feature test macros copied from |
||
| 10 | // include/llvm/Support/Compiler.h so that LLVMDemangle does not need to take |
||
| 11 | // a dependency on LLVMSupport. |
||
| 12 | // |
||
| 13 | //===----------------------------------------------------------------------===// |
||
| 14 | |||
| 15 | #ifndef LLVM_DEMANGLE_DEMANGLECONFIG_H |
||
| 16 | #define LLVM_DEMANGLE_DEMANGLECONFIG_H |
||
| 17 | |||
| 18 | #ifndef __has_feature |
||
| 19 | #define __has_feature(x) 0 |
||
| 20 | #endif |
||
| 21 | |||
| 22 | #ifndef __has_cpp_attribute |
||
| 23 | #define __has_cpp_attribute(x) 0 |
||
| 24 | #endif |
||
| 25 | |||
| 26 | #ifndef __has_attribute |
||
| 27 | #define __has_attribute(x) 0 |
||
| 28 | #endif |
||
| 29 | |||
| 30 | #ifndef __has_builtin |
||
| 31 | #define __has_builtin(x) 0 |
||
| 32 | #endif |
||
| 33 | |||
| 34 | #ifndef DEMANGLE_GNUC_PREREQ |
||
| 35 | #if defined(__GNUC__) && defined(__GNUC_MINOR__) && defined(__GNUC_PATCHLEVEL__) |
||
| 36 | #define DEMANGLE_GNUC_PREREQ(maj, min, patch) \ |
||
| 37 | ((__GNUC__ << 20) + (__GNUC_MINOR__ << 10) + __GNUC_PATCHLEVEL__ >= \ |
||
| 38 | ((maj) << 20) + ((min) << 10) + (patch)) |
||
| 39 | #elif defined(__GNUC__) && defined(__GNUC_MINOR__) |
||
| 40 | #define DEMANGLE_GNUC_PREREQ(maj, min, patch) \ |
||
| 41 | ((__GNUC__ << 20) + (__GNUC_MINOR__ << 10) >= ((maj) << 20) + ((min) << 10)) |
||
| 42 | #else |
||
| 43 | #define DEMANGLE_GNUC_PREREQ(maj, min, patch) 0 |
||
| 44 | #endif |
||
| 45 | #endif |
||
| 46 | |||
| 47 | #if __has_attribute(used) || DEMANGLE_GNUC_PREREQ(3, 1, 0) |
||
| 48 | #define DEMANGLE_ATTRIBUTE_USED __attribute__((__used__)) |
||
| 49 | #else |
||
| 50 | #define DEMANGLE_ATTRIBUTE_USED |
||
| 51 | #endif |
||
| 52 | |||
| 53 | #if __has_builtin(__builtin_unreachable) || DEMANGLE_GNUC_PREREQ(4, 5, 0) |
||
| 54 | #define DEMANGLE_UNREACHABLE __builtin_unreachable() |
||
| 55 | #elif defined(_MSC_VER) |
||
| 56 | #define DEMANGLE_UNREACHABLE __assume(false) |
||
| 57 | #else |
||
| 58 | #define DEMANGLE_UNREACHABLE |
||
| 59 | #endif |
||
| 60 | |||
| 61 | #if __has_attribute(noinline) || DEMANGLE_GNUC_PREREQ(3, 4, 0) |
||
| 62 | #define DEMANGLE_ATTRIBUTE_NOINLINE __attribute__((noinline)) |
||
| 63 | #elif defined(_MSC_VER) |
||
| 64 | #define DEMANGLE_ATTRIBUTE_NOINLINE __declspec(noinline) |
||
| 65 | #else |
||
| 66 | #define DEMANGLE_ATTRIBUTE_NOINLINE |
||
| 67 | #endif |
||
| 68 | |||
| 69 | #if !defined(NDEBUG) |
||
| 70 | #define DEMANGLE_DUMP_METHOD DEMANGLE_ATTRIBUTE_NOINLINE DEMANGLE_ATTRIBUTE_USED |
||
| 71 | #else |
||
| 72 | #define DEMANGLE_DUMP_METHOD DEMANGLE_ATTRIBUTE_NOINLINE |
||
| 73 | #endif |
||
| 74 | |||
| 75 | #if __cplusplus > 201402L && __has_cpp_attribute(fallthrough) |
||
| 76 | #define DEMANGLE_FALLTHROUGH [[fallthrough]] |
||
| 77 | #elif __has_cpp_attribute(gnu::fallthrough) |
||
| 78 | #define DEMANGLE_FALLTHROUGH [[gnu::fallthrough]] |
||
| 79 | #elif !__cplusplus |
||
| 80 | // Workaround for llvm.org/PR23435, since clang 3.6 and below emit a spurious |
||
| 81 | // error when __has_cpp_attribute is given a scoped attribute in C mode. |
||
| 82 | #define DEMANGLE_FALLTHROUGH |
||
| 83 | #elif __has_cpp_attribute(clang::fallthrough) |
||
| 84 | #define DEMANGLE_FALLTHROUGH [[clang::fallthrough]] |
||
| 85 | #else |
||
| 86 | #define DEMANGLE_FALLTHROUGH |
||
| 87 | #endif |
||
| 88 | |||
| 89 | #define DEMANGLE_NAMESPACE_BEGIN namespace llvm { namespace itanium_demangle { |
||
| 90 | #define DEMANGLE_NAMESPACE_END } } |
||
| 91 | |||
| 92 | #endif |