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918fe04351
PR-URL: https://github.com/nodejs/node/pull/58070 Reviewed-By: Antoine du Hamel <duhamelantoine1995@gmail.com> Reviewed-By: Darshan Sen <raisinten@gmail.com> Reviewed-By: Joyee Cheung <joyeec9h3@gmail.com> Reviewed-By: Rafael Gonzaga <rafael.nunu@hotmail.com>
56 lines
2 KiB
C++
56 lines
2 KiB
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_MACROS_H_
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#define INCLUDE_CPPGC_MACROS_H_
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#include <cstddef>
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#include "cppgc/internal/compiler-specific.h"
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namespace cppgc {
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#define CPPGC_DISALLOW_NEW() \
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public: \
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using IsDisallowNewMarker CPPGC_UNUSED = int; \
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void* operator new(size_t, void* location) { return location; } \
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void* operator new(size_t) = delete; \
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static_assert(true, "Force semicolon.")
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// Use CPPGC_STACK_ALLOCATED if the object is only stack allocated.
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// Add the CPPGC_STACK_ALLOCATED_IGNORE annotation on a case-by-case basis when
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// enforcement of CPPGC_STACK_ALLOCATED should be suppressed.
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#if defined(__clang__)
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#define CPPGC_STACK_ALLOCATED() \
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public: \
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using IsStackAllocatedTypeMarker CPPGC_UNUSED = int; \
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\
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private: \
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void* operator new(size_t) = delete; \
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void* operator new(size_t, void*) = delete; \
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static_assert(true, "Force semicolon.")
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#define CPPGC_STACK_ALLOCATED_IGNORE(bug_or_reason) \
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__attribute__((annotate("stack_allocated_ignore")))
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#define CPPGC_PLUGIN_IGNORE(bug_or_reason) \
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__attribute__((annotate("blink_gc_plugin_ignore"), \
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annotate("stack_allocated_ignore")))
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#else // !defined(__clang__)
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#define CPPGC_STACK_ALLOCATED() static_assert(true, "Force semicolon.")
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#define CPPGC_STACK_ALLOCATED_IGNORE(bug_or_reason)
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#define CPPGC_PLUGIN_IGNORE(bug_or_reason)
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#endif // !defined(__clang__)
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template <typename T>
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concept IsStackAllocatedType =
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requires { typename T::IsStackAllocatedTypeMarker; };
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} // namespace cppgc
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#endif // INCLUDE_CPPGC_MACROS_H_
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