v8 12.4.254 (node 22.4.1)
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macros.h
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1// Copyright 2020 the V8 project authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#ifndef INCLUDE_CPPGC_MACROS_H_
6#define INCLUDE_CPPGC_MACROS_H_
7
8#include <cstddef>
9
11
12namespace cppgc {
13
14// Use CPPGC_STACK_ALLOCATED if the object is only stack allocated.
15// Add the CPPGC_STACK_ALLOCATED_IGNORE annotation on a case-by-case basis when
16// enforcement of CPPGC_STACK_ALLOCATED should be suppressed.
17#if defined(__clang__)
18#define CPPGC_STACK_ALLOCATED() \
19 public: \
20 using IsStackAllocatedTypeMarker CPPGC_UNUSED = int; \
21 \
22 private: \
23 void* operator new(size_t) = delete; \
24 void* operator new(size_t, void*) = delete; \
25 static_assert(true, "Force semicolon.")
26#define CPPGC_STACK_ALLOCATED_IGNORE(bug_or_reason) \
27 __attribute__((annotate("stack_allocated_ignore")))
28#else // !defined(__clang__)
29#define CPPGC_STACK_ALLOCATED() static_assert(true, "Force semicolon.")
30#define CPPGC_STACK_ALLOCATED_IGNORE(bug_or_reason)
31#endif // !defined(__clang__)
32
33} // namespace cppgc
34
35#endif // INCLUDE_CPPGC_MACROS_H_