mirror of
https://github.com/nodejs/node.git
synced 2025-08-20 09:25:30 +02:00
6cdd310275
PR-URL: https://github.com/nodejs/node/pull/38990 Reviewed-By: Jiawen Geng <technicalcute@gmail.com> Reviewed-By: Matteo Collina <matteo.collina@gmail.com> Reviewed-By: Robert Nagy <ronagy@icloud.com> Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
38 lines
1,019 B
C++
38 lines
1,019 B
C++
// Copyright 2020 the V8 project authors. All rights reserved.
|
|
// Use of this source code is governed by a BSD-style license that can be
|
|
// found in the LICENSE file.
|
|
|
|
#ifndef INCLUDE_CPPGC_INTERNAL_COMPILER_SPECIFIC_H_
|
|
#define INCLUDE_CPPGC_INTERNAL_COMPILER_SPECIFIC_H_
|
|
|
|
namespace cppgc {
|
|
|
|
#if defined(__has_attribute)
|
|
#define CPPGC_HAS_ATTRIBUTE(FEATURE) __has_attribute(FEATURE)
|
|
#else
|
|
#define CPPGC_HAS_ATTRIBUTE(FEATURE) 0
|
|
#endif
|
|
|
|
#if defined(__has_cpp_attribute)
|
|
#define CPPGC_HAS_CPP_ATTRIBUTE(FEATURE) __has_cpp_attribute(FEATURE)
|
|
#else
|
|
#define CPPGC_HAS_CPP_ATTRIBUTE(FEATURE) 0
|
|
#endif
|
|
|
|
// [[no_unique_address]] comes in C++20 but supported in clang with -std >=
|
|
// c++11.
|
|
#if CPPGC_HAS_CPP_ATTRIBUTE(no_unique_address)
|
|
#define CPPGC_NO_UNIQUE_ADDRESS [[no_unique_address]]
|
|
#else
|
|
#define CPPGC_NO_UNIQUE_ADDRESS
|
|
#endif
|
|
|
|
#if CPPGC_HAS_ATTRIBUTE(unused)
|
|
#define CPPGC_UNUSED __attribute__((unused))
|
|
#else
|
|
#define CPPGC_UNUSED
|
|
#endif
|
|
|
|
} // namespace cppgc
|
|
|
|
#endif // INCLUDE_CPPGC_INTERNAL_COMPILER_SPECIFIC_H_
|