blob: 17d5ff58097e22bb6943bb9dbdd91f76fb2a51a7 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
|
#ifndef SRC_ALIASED_STRUCT_INL_H_
#define SRC_ALIASED_STRUCT_INL_H_
#if defined(NODE_WANT_INTERNALS) && NODE_WANT_INTERNALS
#include "aliased_struct.h"
#include "v8.h"
#include <memory>
namespace node {
template <typename T>
template <typename... Args>
AliasedStruct<T>::AliasedStruct(v8::Isolate* isolate, Args&&... args)
: isolate_(isolate) {
const v8::HandleScope handle_scope(isolate);
store_ = v8::ArrayBuffer::NewBackingStore(isolate, sizeof(T));
ptr_ = new (store_->Data()) T(std::forward<Args>(args)...);
DCHECK_NOT_NULL(ptr_);
v8::Local<v8::ArrayBuffer> buffer = v8::ArrayBuffer::New(isolate, store_);
buffer_ = v8::Global<v8::ArrayBuffer>(isolate, buffer);
}
template <typename T>
AliasedStruct<T>::AliasedStruct(const AliasedStruct& that)
: AliasedStruct(that.isolate_, *that) {}
template <typename T>
AliasedStruct<T>& AliasedStruct<T>::operator=(
AliasedStruct<T>&& that) noexcept {
this->~AliasedStruct();
isolate_ = that.isolate_;
store_ = that.store_;
ptr_ = that.ptr_;
buffer_ = std::move(that.buffer_);
that.ptr_ = nullptr;
that.store_.reset();
return *this;
}
template <typename T>
AliasedStruct<T>::~AliasedStruct() {
if (ptr_ != nullptr) ptr_->~T();
}
} // namespace node
#endif // defined(NODE_WANT_INTERNALS) && NODE_WANT_INTERNALS
#endif // SRC_ALIASED_STRUCT_INL_H_
|