mirror of
https://github.com/boku7/Loki
synced 2026-06-06 15:24:27 +00:00
Bobby Cooke
39 lines
1019 B
C++
39 lines
1019 B
C++
// Copyright 2020 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef INCLUDE_CPPGC_INTERNAL_COMPILER_SPECIFIC_H_
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#define INCLUDE_CPPGC_INTERNAL_COMPILER_SPECIFIC_H_
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namespace cppgc {
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#if defined(__has_attribute)
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#define CPPGC_HAS_ATTRIBUTE(FEATURE) __has_attribute(FEATURE)
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#else
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#define CPPGC_HAS_ATTRIBUTE(FEATURE) 0
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#endif
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#if defined(__has_cpp_attribute)
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#define CPPGC_HAS_CPP_ATTRIBUTE(FEATURE) __has_cpp_attribute(FEATURE)
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#else
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#define CPPGC_HAS_CPP_ATTRIBUTE(FEATURE) 0
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#endif
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// [[no_unique_address]] comes in C++20 but supported in clang with -std >=
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// c++11.
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#if CPPGC_HAS_CPP_ATTRIBUTE(no_unique_address)
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#define CPPGC_NO_UNIQUE_ADDRESS [[no_unique_address]]
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#else
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#define CPPGC_NO_UNIQUE_ADDRESS
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#endif
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#if CPPGC_HAS_ATTRIBUTE(unused)
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#define CPPGC_UNUSED __attribute__((unused))
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#else
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#define CPPGC_UNUSED
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#endif
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} // namespace cppgc
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#endif // INCLUDE_CPPGC_INTERNAL_COMPILER_SPECIFIC_H_
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