| Server IP : 85.214.239.14 / Your IP : 18.116.13.192 Web Server : Apache/2.4.62 (Debian) System : Linux h2886529.stratoserver.net 4.9.0 #1 SMP Tue Jan 9 19:45:01 MSK 2024 x86_64 User : www-data ( 33) PHP Version : 7.4.18 Disable Function : pcntl_alarm,pcntl_fork,pcntl_waitpid,pcntl_wait,pcntl_wifexited,pcntl_wifstopped,pcntl_wifsignaled,pcntl_wifcontinued,pcntl_wexitstatus,pcntl_wtermsig,pcntl_wstopsig,pcntl_signal,pcntl_signal_get_handler,pcntl_signal_dispatch,pcntl_get_last_error,pcntl_strerror,pcntl_sigprocmask,pcntl_sigwaitinfo,pcntl_sigtimedwait,pcntl_exec,pcntl_getpriority,pcntl_setpriority,pcntl_async_signals,pcntl_unshare, MySQL : OFF | cURL : OFF | WGET : ON | Perl : ON | Python : ON | Sudo : ON | Pkexec : OFF Directory : /proc/3/cwd/usr/include/node/cppgc/ |
Upload File : |
// Copyright 2021 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_OBJECT_SIZE_TRAIT_H_
#define INCLUDE_CPPGC_OBJECT_SIZE_TRAIT_H_
#include <cstddef>
#include "cppgc/type-traits.h"
#include "v8config.h" // NOLINT(build/include_directory)
namespace cppgc {
namespace internal {
struct V8_EXPORT BaseObjectSizeTrait {
protected:
static size_t GetObjectSizeForGarbageCollected(const void*);
static size_t GetObjectSizeForGarbageCollectedMixin(const void*);
};
} // namespace internal
namespace subtle {
/**
* Trait specifying how to get the size of an object that was allocated using
* `MakeGarbageCollected()`. Also supports querying the size with an inner
* pointer to a mixin.
*/
template <typename T, bool = IsGarbageCollectedMixinTypeV<T>>
struct ObjectSizeTrait;
template <typename T>
struct ObjectSizeTrait<T, false> : cppgc::internal::BaseObjectSizeTrait {
static_assert(sizeof(T), "T must be fully defined");
static_assert(IsGarbageCollectedTypeV<T>,
"T must be of type GarbageCollected or GarbageCollectedMixin");
static size_t GetSize(const T& object) {
return GetObjectSizeForGarbageCollected(&object);
}
};
template <typename T>
struct ObjectSizeTrait<T, true> : cppgc::internal::BaseObjectSizeTrait {
static_assert(sizeof(T), "T must be fully defined");
static size_t GetSize(const T& object) {
return GetObjectSizeForGarbageCollectedMixin(&object);
}
};
} // namespace subtle
} // namespace cppgc
#endif // INCLUDE_CPPGC_OBJECT_SIZE_TRAIT_H_