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GCC Code Coverage Report

Directory:	../		Exec	Total	Coverage
File:	/home/iojs/build/workspace/node-test-commit-linux-coverage-daily/nodes/benchmark/out/../src/base_object-inl.h	Lines:	161	174	92.5 %
Date:	2020-11-21 04:10:54	Branches:	105	170	61.8 %


// Copyright Joyent, Inc. and other Node contributors.
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to permit
// persons to whom the Software is furnished to do so, subject to the
// following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
// USE OR OTHER DEALINGS IN THE SOFTWARE.

#ifndef SRC_BASE_OBJECT_INL_H_
#define SRC_BASE_OBJECT_INL_H_

#if defined(NODE_WANT_INTERNALS) && NODE_WANT_INTERNALS

#include "base_object.h"
#include "env-inl.h"
#include "util.h"

#include "v8.h"

namespace node {

BaseObject::BaseObject(Environment* env, v8::Local<v8::Object> object)
    : persistent_handle_(env->isolate(), object), env_(env) {
  CHECK_EQ(false, object.IsEmpty());
  CHECK_GT(object->InternalFieldCount(), 0);
  object->SetAlignedPointerInInternalField(
      BaseObject::kSlot,
      static_cast<void*>(this));
  env->AddCleanupHook(DeleteMe, static_cast<void*>(this));
  env->modify_base_object_count(1);
}

BaseObject::~BaseObject() {
  env()->modify_base_object_count(-1);
  env()->RemoveCleanupHook(DeleteMe, static_cast<void*>(this));

  if (UNLIKELY(has_pointer_data())) {
    PointerData* metadata = pointer_data();
    CHECK_EQ(metadata->strong_ptr_count, 0);
    metadata->self = nullptr;
    if (metadata->weak_ptr_count == 0)
      delete metadata;
  }

  if (persistent_handle_.IsEmpty()) {
    // This most likely happened because the weak callback below cleared it.
    return;
  }

  {
    v8::HandleScope handle_scope(env()->isolate());
    object()->SetAlignedPointerInInternalField(BaseObject::kSlot, nullptr);
  }
}

void BaseObject::Detach() {
  CHECK_GT(pointer_data()->strong_ptr_count, 0);
  pointer_data()->is_detached = true;
}

v8::Global<v8::Object>& BaseObject::persistent() {
  return persistent_handle_;
}


v8::Local<v8::Object> BaseObject::object() const {
  return PersistentToLocal::Default(env()->isolate(), persistent_handle_);
}

v8::Local<v8::Object> BaseObject::object(v8::Isolate* isolate) const {
  v8::Local<v8::Object> handle = object();

  DCHECK_EQ(handle->CreationContext()->GetIsolate(), isolate);
  DCHECK_EQ(env()->isolate(), isolate);

  return handle;
}

Environment* BaseObject::env() const {
  return env_;
}

BaseObject* BaseObject::FromJSObject(v8::Local<v8::Value> value) {
  v8::Local<v8::Object> obj = value.As<v8::Object>();
  DCHECK_GE(obj->InternalFieldCount(), BaseObject::kSlot);
  return static_cast<BaseObject*>(
      obj->GetAlignedPointerFromInternalField(BaseObject::kSlot));
}


template <typename T>
T* BaseObject::FromJSObject(v8::Local<v8::Value> object) {
  return static_cast<T*>(FromJSObject(object));
}


void BaseObject::MakeWeak() {
  if (has_pointer_data()) {
    pointer_data()->wants_weak_jsobj = true;
    if (pointer_data()->strong_ptr_count > 0) return;
  }

  persistent_handle_.SetWeak(
      this,
      [](const v8::WeakCallbackInfo<BaseObject>& data) {
        BaseObject* obj = data.GetParameter();
        // Clear the persistent handle so that ~BaseObject() doesn't attempt
        // to mess with internal fields, since the JS object may have
        // transitioned into an invalid state.
        // Refs: https://github.com/nodejs/node/issues/18897
        obj->persistent_handle_.Reset();
        CHECK_IMPLIES(obj->has_pointer_data(),
                      obj->pointer_data()->strong_ptr_count == 0);
        obj->OnGCCollect();
      }, v8::WeakCallbackType::kParameter);
}

void BaseObject::OnGCCollect() {
  delete this;
}

void BaseObject::ClearWeak() {
  if (has_pointer_data())
    pointer_data()->wants_weak_jsobj = false;

  persistent_handle_.ClearWeak();
}

bool BaseObject::IsWeakOrDetached() const {
  if (persistent_handle_.IsWeak()) return true;

  if (!has_pointer_data()) return false;
  const PointerData* pd = const_cast<BaseObject*>(this)->pointer_data();
  return pd->wants_weak_jsobj || pd->is_detached;
}

v8::Local<v8::FunctionTemplate>
BaseObject::MakeLazilyInitializedJSTemplate(Environment* env) {
  auto constructor = [](const v8::FunctionCallbackInfo<v8::Value>& args) {
    DCHECK(args.IsConstructCall());
    DCHECK_GT(args.This()->InternalFieldCount(), 0);
    args.This()->SetAlignedPointerInInternalField(BaseObject::kSlot, nullptr);
  };

  v8::Local<v8::FunctionTemplate> t = env->NewFunctionTemplate(constructor);
  t->Inherit(BaseObject::GetConstructorTemplate(env));
  t->InstanceTemplate()->SetInternalFieldCount(
      BaseObject::kInternalFieldCount);
  return t;
}

template <int Field>
void BaseObject::InternalFieldGet(
    v8::Local<v8::String> property,
    const v8::PropertyCallbackInfo<v8::Value>& info) {
  info.GetReturnValue().Set(info.This()->GetInternalField(Field));
}

template <int Field, bool (v8::Value::* typecheck)() const>
void BaseObject::InternalFieldSet(v8::Local<v8::String> property,
                                  v8::Local<v8::Value> value,
                                  const v8::PropertyCallbackInfo<void>& info) {
  // This could be e.g. value->IsFunction().
  CHECK(((*value)->*typecheck)());
  info.This()->SetInternalField(Field, value);
}

bool BaseObject::has_pointer_data() const {
  return pointer_data_ != nullptr;
}

BaseObject::PointerData* BaseObject::pointer_data() {
  if (!has_pointer_data()) {
    PointerData* metadata = new PointerData();
    metadata->wants_weak_jsobj = persistent_handle_.IsWeak();
    metadata->self = this;
    pointer_data_ = metadata;
  }
  CHECK(has_pointer_data());
  return pointer_data_;
}

void BaseObject::decrease_refcount() {
  CHECK(has_pointer_data());
  PointerData* metadata = pointer_data();
  CHECK_GT(metadata->strong_ptr_count, 0);
  unsigned int new_refcount = --metadata->strong_ptr_count;
  if (new_refcount == 0) {
    if (metadata->is_detached) {
      delete this;
    } else if (metadata->wants_weak_jsobj && !persistent_handle_.IsEmpty()) {
      MakeWeak();
    }
  }
}

void BaseObject::increase_refcount() {
  unsigned int prev_refcount = pointer_data()->strong_ptr_count++;
  if (prev_refcount == 0 && !persistent_handle_.IsEmpty())
    persistent_handle_.ClearWeak();
}

template <typename T, bool kIsWeak>
BaseObject::PointerData*
BaseObjectPtrImpl<T, kIsWeak>::pointer_data() const {
  if (kIsWeak) {
    return data_.pointer_data;
  }
  if (get_base_object() == nullptr) {
    return nullptr;
  }
  return get_base_object()->pointer_data();
}

template <typename T, bool kIsWeak>
BaseObject* BaseObjectPtrImpl<T, kIsWeak>::get_base_object() const {
  if (kIsWeak) {
    if (pointer_data() == nullptr) {
      return nullptr;
    }
    return pointer_data()->self;
  }
  return data_.target;
}

template <typename T, bool kIsWeak>
BaseObjectPtrImpl<T, kIsWeak>::~BaseObjectPtrImpl() {
  if (kIsWeak) {
    if (pointer_data() != nullptr &&
        --pointer_data()->weak_ptr_count == 0 &&
        pointer_data()->self == nullptr) {
      delete pointer_data();
    }
  } else if (get() != nullptr) {
    get()->decrease_refcount();
  }
}

template <typename T, bool kIsWeak>
BaseObjectPtrImpl<T, kIsWeak>::BaseObjectPtrImpl() {
  data_.target = nullptr;
}

template <typename T, bool kIsWeak>
BaseObjectPtrImpl<T, kIsWeak>::BaseObjectPtrImpl(T* target)
  : BaseObjectPtrImpl() {
  if (target == nullptr) return;
  if (kIsWeak) {
    data_.pointer_data = target->pointer_data();
    CHECK_NOT_NULL(pointer_data());
    pointer_data()->weak_ptr_count++;
  } else {
    data_.target = target;
    CHECK_NOT_NULL(pointer_data());
    get()->increase_refcount();
  }
}

template <typename T, bool kIsWeak>
template <typename U, bool kW>
BaseObjectPtrImpl<T, kIsWeak>::BaseObjectPtrImpl(
    const BaseObjectPtrImpl<U, kW>& other)
  : BaseObjectPtrImpl(other.get()) {}

template <typename T, bool kIsWeak>
BaseObjectPtrImpl<T, kIsWeak>::BaseObjectPtrImpl(const BaseObjectPtrImpl& other)
  : BaseObjectPtrImpl(other.get()) {}

template <typename T, bool kIsWeak>
template <typename U, bool kW>
BaseObjectPtrImpl<T, kIsWeak>& BaseObjectPtrImpl<T, kIsWeak>::operator=(
    const BaseObjectPtrImpl<U, kW>& other) {
  if (other.get() == get()) return *this;
  this->~BaseObjectPtrImpl();
  return *new (this) BaseObjectPtrImpl(other);
}

template <typename T, bool kIsWeak>
BaseObjectPtrImpl<T, kIsWeak>& BaseObjectPtrImpl<T, kIsWeak>::operator=(
    const BaseObjectPtrImpl& other) {
  if (other.get() == get()) return *this;
  this->~BaseObjectPtrImpl();
  return *new (this) BaseObjectPtrImpl(other);
}

template <typename T, bool kIsWeak>
BaseObjectPtrImpl<T, kIsWeak>::BaseObjectPtrImpl(BaseObjectPtrImpl&& other)
  : data_(other.data_) {
  if (kIsWeak)
    other.data_.target = nullptr;
  else
    other.data_.pointer_data = nullptr;
}

template <typename T, bool kIsWeak>
BaseObjectPtrImpl<T, kIsWeak>& BaseObjectPtrImpl<T, kIsWeak>::operator=(
    BaseObjectPtrImpl&& other) {
  if (&other == this) return *this;
  this->~BaseObjectPtrImpl();
  return *new (this) BaseObjectPtrImpl(std::move(other));
}

template <typename T, bool kIsWeak>
void BaseObjectPtrImpl<T, kIsWeak>::reset(T* ptr) {
  *this = BaseObjectPtrImpl(ptr);
}

template <typename T, bool kIsWeak>
T* BaseObjectPtrImpl<T, kIsWeak>::get() const {
  return static_cast<T*>(get_base_object());
}

template <typename T, bool kIsWeak>
T& BaseObjectPtrImpl<T, kIsWeak>::operator*() const {
  return *get();
}

template <typename T, bool kIsWeak>
T* BaseObjectPtrImpl<T, kIsWeak>::operator->() const {
  return get();
}

template <typename T, bool kIsWeak>
BaseObjectPtrImpl<T, kIsWeak>::operator bool() const {
  return get() != nullptr;
}

template <typename T, bool kIsWeak>
template <typename U, bool kW>
bool BaseObjectPtrImpl<T, kIsWeak>::operator ==(
    const BaseObjectPtrImpl<U, kW>& other) const {
  return get() == other.get();
}

template <typename T, bool kIsWeak>
template <typename U, bool kW>
bool BaseObjectPtrImpl<T, kIsWeak>::operator !=(
    const BaseObjectPtrImpl<U, kW>& other) const {
  return get() != other.get();
}

template <typename T, typename... Args>
BaseObjectPtr<T> MakeBaseObject(Args&&... args) {
  return BaseObjectPtr<T>(new T(std::forward<Args>(args)...));
}

template <typename T, typename... Args>
BaseObjectPtr<T> MakeDetachedBaseObject(Args&&... args) {
  BaseObjectPtr<T> target = MakeBaseObject<T>(std::forward<Args>(args)...);
  target->Detach();
  return target;
}

}  // namespace node

#endif  // defined(NODE_WANT_INTERNALS) && NODE_WANT_INTERNALS

#endif  // SRC_BASE_OBJECT_INL_H_


Generated by: GCOVR (Version 3.4)

Line	Branch	Exec	Source
1			// Copyright Joyent, Inc. and other Node contributors.
2			//
3			// Permission is hereby granted, free of charge, to any person obtaining a
4			// copy of this software and associated documentation files (the
5			// "Software"), to deal in the Software without restriction, including
6			// without limitation the rights to use, copy, modify, merge, publish,
7			// distribute, sublicense, and/or sell copies of the Software, and to permit
8			// persons to whom the Software is furnished to do so, subject to the
9			// following conditions:
10			//
11			// The above copyright notice and this permission notice shall be included
12			// in all copies or substantial portions of the Software.
13			//
14			// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
15			// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
16			// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
17			// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
18			// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
19			// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
20			// USE OR OTHER DEALINGS IN THE SOFTWARE.
21
22			#ifndef SRC_BASE_OBJECT_INL_H_
23			#define SRC_BASE_OBJECT_INL_H_
24
25			#if defined(NODE_WANT_INTERNALS) && NODE_WANT_INTERNALS
26
27			#include "base_object.h"
28			#include "env-inl.h"
29			#include "util.h"
30
31			#include "v8.h"
32
33			namespace node {
34
35		311630	BaseObject::BaseObject(Environment* env, v8::Local<v8::Object> object)
36		623260	: persistent_handle_(env->isolate(), object), env_(env) {
37	✗✓	311630	CHECK_EQ(false, object.IsEmpty());
38	✗✓	311630	CHECK_GT(object->InternalFieldCount(), 0);
39		311630	object->SetAlignedPointerInInternalField(
40			BaseObject::kSlot,
41		311630	static_cast<void*>(this));
42		311630	env->AddCleanupHook(DeleteMe, static_cast<void*>(this));
43		311632	env->modify_base_object_count(1);
44		311632	}
45
46	✓✓✓✓	914391	BaseObject::~BaseObject() {
47		304792	env()->modify_base_object_count(-1);
48		304792	env()->RemoveCleanupHook(DeleteMe, static_cast<void*>(this));
49
50	✓✓	304798	if (UNLIKELY(has_pointer_data())) {
51		155185	PointerData* metadata = pointer_data();
52	✗✓	155185	CHECK_EQ(metadata->strong_ptr_count, 0);
53		155185	metadata->self = nullptr;
54	✓✓	155185	if (metadata->weak_ptr_count == 0)
55		155171	delete metadata;
56			}
57
58	✓✓	609596	if (persistent_handle_.IsEmpty()) {
59			// This most likely happened because the weak callback below cleared it.
60		32418	return;
61			}
62
63			{
64		544760	v8::HandleScope handle_scope(env()->isolate());
65		544761	object()->SetAlignedPointerInInternalField(BaseObject::kSlot, nullptr);
66			}
67		304797	}
68
69		150770	void BaseObject::Detach() {
70	✗✓	150770	CHECK_GT(pointer_data()->strong_ptr_count, 0);
71		150769	pointer_data()->is_detached = true;
72		150770	}
73
74		700334	v8::Global<v8::Object>& BaseObject::persistent() {
75		700334	return persistent_handle_;
76			}
77
78
79		2849419	v8::Local<v8::Object> BaseObject::object() const {
80		2849419	return PersistentToLocal::Default(env()->isolate(), persistent_handle_);
81			}
82
83		87809	v8::Local<v8::Object> BaseObject::object(v8::Isolate* isolate) const {
84		87809	v8::Local<v8::Object> handle = object();
85
86			DCHECK_EQ(handle->CreationContext()->GetIsolate(), isolate);
87			DCHECK_EQ(env()->isolate(), isolate);
88
89		87813	return handle;
90			}
91
92		12293971	Environment* BaseObject::env() const {
93		12293971	return env_;
94			}
95
96		4338422	BaseObject* BaseObject::FromJSObject(v8::Local<v8::Value> value) {
97		4338422	v8::Local<v8::Object> obj = value.As<v8::Object>();
98			DCHECK_GE(obj->InternalFieldCount(), BaseObject::kSlot);
99			return static_cast<BaseObject*>(
100		8676845	obj->GetAlignedPointerFromInternalField(BaseObject::kSlot));
101			}
102
103
104			template <typename T>
105		842476	T* BaseObject::FromJSObject(v8::Local<v8::Value> object) {
106		842476	return static_cast<T*>(FromJSObject(object));
107			}
108
109
110		151302	void BaseObject::MakeWeak() {
111	✓✓	151302	if (has_pointer_data()) {
112		40533	pointer_data()->wants_weak_jsobj = true;
113	✓✓	40533	if (pointer_data()->strong_ptr_count > 0) return;
114			}
115
116		302602	persistent_handle_.SetWeak(
117			this,
118		216129	[](const v8::WeakCallbackInfo<BaseObject>& data) {
119		32414	BaseObject* obj = data.GetParameter();
120			// Clear the persistent handle so that ~BaseObject() doesn't attempt
121			// to mess with internal fields, since the JS object may have
122			// transitioned into an invalid state.
123			// Refs: https://github.com/nodejs/node/issues/18897
124		32414	obj->persistent_handle_.Reset();
125	✓✓✗✓ ✗✓	32414	CHECK_IMPLIES(obj->has_pointer_data(),
126			obj->pointer_data()->strong_ptr_count == 0);
127		32414	obj->OnGCCollect();
128		216129	}, v8::WeakCallbackType::kParameter);
129			}
130
131		32412	void BaseObject::OnGCCollect() {
132	✓✗	32412	delete this;
133		32412	}
134
135		2479	void BaseObject::ClearWeak() {
136	✗✓	2479	if (has_pointer_data())
137			pointer_data()->wants_weak_jsobj = false;
138
139		2479	persistent_handle_.ClearWeak();
140		2479	}
141
142			bool BaseObject::IsWeakOrDetached() const {
143			if (persistent_handle_.IsWeak()) return true;
144
145			if (!has_pointer_data()) return false;
146			const PointerData* pd = const_cast<BaseObject*>(this)->pointer_data();
147			return pd->wants_weak_jsobj \|\| pd->is_detached;
148			}
149
150			v8::Local<v8::FunctionTemplate>
151		16927	BaseObject::MakeLazilyInitializedJSTemplate(Environment* env) {
152		63007	auto constructor = [](const v8::FunctionCallbackInfo<v8::Value>& args) {
153			DCHECK(args.IsConstructCall());
154			DCHECK_GT(args.This()->InternalFieldCount(), 0);
155		46080	args.This()->SetAlignedPointerInInternalField(BaseObject::kSlot, nullptr);
156		63007	};
157
158		16927	v8::Local<v8::FunctionTemplate> t = env->NewFunctionTemplate(constructor);
159		33854	t->Inherit(BaseObject::GetConstructorTemplate(env));
160		50781	t->InstanceTemplate()->SetInternalFieldCount(
161		16927	BaseObject::kInternalFieldCount);
162		16927	return t;
163			}
164
165			template <int Field>
166			void BaseObject::InternalFieldGet(
167			v8::Local<v8::String> property,
168			const v8::PropertyCallbackInfo<v8::Value>& info) {
169			info.GetReturnValue().Set(info.This()->GetInternalField(Field));
170			}
171
172			template <int Field, bool (v8::Value::* typecheck)() const>
173		96915	void BaseObject::InternalFieldSet(v8::Local<v8::String> property,
174			v8::Local<v8::Value> value,
175			const v8::PropertyCallbackInfo<void>& info) {
176			// This could be e.g. value->IsFunction().
177	✗✓	96915	CHECK(((value)->typecheck)());
178		193830	info.This()->SetInternalField(Field, value);
179		96915	}
180
181		6394677	bool BaseObject::has_pointer_data() const {
182		6394677	return pointer_data_ != nullptr;
183			}
184
185		2565657	BaseObject::PointerData* BaseObject::pointer_data() {
186	✓✓	2565657	if (!has_pointer_data()) {
187		155844	PointerData* metadata = new PointerData();
188		311686	metadata->wants_weak_jsobj = persistent_handle_.IsWeak();
189		155843	metadata->self = this;
190		155843	pointer_data_ = metadata;
191			}
192	✗✓	2565647	CHECK(has_pointer_data());
193		2565658	return pointer_data_;
194			}
195
196		666026	void BaseObject::decrease_refcount() {
197	✗✓	666026	CHECK(has_pointer_data());
198		666035	PointerData* metadata = pointer_data();
199	✗✓	666014	CHECK_GT(metadata->strong_ptr_count, 0);
200		666014	unsigned int new_refcount = --metadata->strong_ptr_count;
201	✓✓	666014	if (new_refcount == 0) {
202	✓✓	212377	if (metadata->is_detached) {
203	✓✗	150033	delete this;
204	✓✓✓✗ ✓✓	102876	} else if (metadata->wants_weak_jsobj && !persistent_handle_.IsEmpty()) {
205		40532	MakeWeak();
206			}
207			}
208		666020	}
209
210		666723	void BaseObject::increase_refcount() {
211		666723	unsigned int prev_refcount = pointer_data()->strong_ptr_count++;
212	✓✓✓✗ ✓✓	879720	if (prev_refcount == 0 && !persistent_handle_.IsEmpty())
213		212984	persistent_handle_.ClearWeak();
214		666736	}
215
216			template <typename T, bool kIsWeak>
217			BaseObject::PointerData*
218		1810295	BaseObjectPtrImpl<T, kIsWeak>::pointer_data() const {
219			if (kIsWeak) {
220		1143543	return data_.pointer_data;
221			}
222	✗✓✗✓ ✗✓✗✓ ✗✓✗✓ ✗✗	666752	if (get_base_object() == nullptr) {
223			return nullptr;
224			}
225		666753	return get_base_object()->pointer_data();
226			}
227
228			template <typename T, bool kIsWeak>
229		8669364	BaseObject* BaseObjectPtrImpl<T, kIsWeak>::get_base_object() const {
230			if (kIsWeak) {
231	✓✓	516955	if (pointer_data() == nullptr) {
232		4	return nullptr;
233			}
234		516951	return pointer_data()->self;
235			}
236		8152409	return data_.target;
237			}
238
239			template <typename T, bool kIsWeak>
240		1626888	BaseObjectPtrImpl<T, kIsWeak>::~BaseObjectPtrImpl() {
241			if (kIsWeak) {
242	✓✓✓✓	97846	if (pointer_data() != nullptr &&
243	✓✓✓✓	60706	--pointer_data()->weak_ptr_count == 0 &&
244		11783	pointer_data()->self == nullptr) {
245		13	delete pointer_data();
246			}
247	✓✓✓✓ ✓✓✓✓ ✓✓✓✗ ✗✗	1602424	} else if (get() != nullptr) {
248		666077	get()->decrease_refcount();
249			}
250		1626890	}
251
252			template <typename T, bool kIsWeak>
253		1194016	BaseObjectPtrImpl<T, kIsWeak>::BaseObjectPtrImpl() {
254		1194016	data_.target = nullptr;
255		1194016	}
256
257			template <typename T, bool kIsWeak>
258		1019454	BaseObjectPtrImpl<T, kIsWeak>::BaseObjectPtrImpl(T* target)
259		1019454	: BaseObjectPtrImpl() {
260	✓✓✓✓ ✓✓✗✓ ✓✓✓✓ ✗✗✗✓	1019455	if (target == nullptr) return;
261			if (kIsWeak) {
262		24459	data_.pointer_data = target->pointer_data();
263	✗✓	24459	CHECK_NOT_NULL(pointer_data());
264		24459	pointer_data()->weak_ptr_count++;
265			} else {
266		666752	data_.target = target;
267	✗✓✗✓ ✗✓✗✓ ✗✓✗✗ ✗✓	666752	CHECK_NOT_NULL(pointer_data());
268		666752	get()->increase_refcount();
269			}
270			}
271
272			template <typename T, bool kIsWeak>
273			template <typename U, bool kW>
274		17035	BaseObjectPtrImpl<T, kIsWeak>::BaseObjectPtrImpl(
275			const BaseObjectPtrImpl<U, kW>& other)
276		17035	: BaseObjectPtrImpl(other.get()) {}
277
278			template <typename T, bool kIsWeak>
279		435462	BaseObjectPtrImpl<T, kIsWeak>::BaseObjectPtrImpl(const BaseObjectPtrImpl& other)
280		435462	: BaseObjectPtrImpl(other.get()) {}
281
282			template <typename T, bool kIsWeak>
283			template <typename U, bool kW>
284		4	BaseObjectPtrImpl<T, kIsWeak>& BaseObjectPtrImpl<T, kIsWeak>::operator=(
285			const BaseObjectPtrImpl<U, kW>& other) {
286	✗✓✗✓	4	if (other.get() == get()) return *this;
287		4	this->~BaseObjectPtrImpl();
288	✓✗✓✗	4	return *new (this) BaseObjectPtrImpl(other);
289			}
290
291			template <typename T, bool kIsWeak>
292			BaseObjectPtrImpl<T, kIsWeak>& BaseObjectPtrImpl<T, kIsWeak>::operator=(
293			const BaseObjectPtrImpl& other) {
294			if (other.get() == get()) return *this;
295			this->~BaseObjectPtrImpl();
296			return *new (this) BaseObjectPtrImpl(other);
297			}
298
299			template <typename T, bool kIsWeak>
300		433724	BaseObjectPtrImpl<T, kIsWeak>::BaseObjectPtrImpl(BaseObjectPtrImpl&& other)
301		433724	: data_(other.data_) {
302			if (kIsWeak)
303		2	other.data_.target = nullptr;
304			else
305		433722	other.data_.pointer_data = nullptr;
306		433724	}
307
308			template <typename T, bool kIsWeak>
309		204346	BaseObjectPtrImpl<T, kIsWeak>& BaseObjectPtrImpl<T, kIsWeak>::operator=(
310			BaseObjectPtrImpl&& other) {
311	✗✓✗✓ ✗✓✗✓ ✗✓	204346	if (&other == this) return *this;
312		204346	this->~BaseObjectPtrImpl();
313	✓✓✗✓ ✓✗✗✓ ✗✗	204346	return *new (this) BaseObjectPtrImpl(std::move(other));
314			}
315
316			template <typename T, bool kIsWeak>
317		145519	void BaseObjectPtrImpl<T, kIsWeak>::reset(T* ptr) {
318		145519	*this = BaseObjectPtrImpl(ptr);
319		145519	}
320
321			template <typename T, bool kIsWeak>
322		7335970	T* BaseObjectPtrImpl<T, kIsWeak>::get() const {
323		7335970	return static_cast<T*>(get_base_object());
324			}
325
326			template <typename T, bool kIsWeak>
327			T& BaseObjectPtrImpl<T, kIsWeak>::operator*() const {
328			return *get();
329			}
330
331			template <typename T, bool kIsWeak>
332		2335557	T* BaseObjectPtrImpl<T, kIsWeak>::operator->() const {
333		2335557	return get();
334			}
335
336			template <typename T, bool kIsWeak>
337		725038	BaseObjectPtrImpl<T, kIsWeak>::operator bool() const {
338		725038	return get() != nullptr;
339			}
340
341			template <typename T, bool kIsWeak>
342			template <typename U, bool kW>
343		10680	bool BaseObjectPtrImpl<T, kIsWeak>::operator ==(
344			const BaseObjectPtrImpl<U, kW>& other) const {
345		10680	return get() == other.get();
346			}
347
348			template <typename T, bool kIsWeak>
349			template <typename U, bool kW>
350			bool BaseObjectPtrImpl<T, kIsWeak>::operator !=(
351			const BaseObjectPtrImpl<U, kW>& other) const {
352			return get() != other.get();
353			}
354
355			template <typename T, typename... Args>
356		7335	BaseObjectPtr<T> MakeBaseObject(Args&&... args) {
357		7335	return BaseObjectPtr<T>(new T(std::forward<Args>(args)...));
358			}
359
360			template <typename T, typename... Args>
361		7318	BaseObjectPtr<T> MakeDetachedBaseObject(Args&&... args) {
362		7318	BaseObjectPtr<T> target = MakeBaseObject<T>(std::forward<Args>(args)...);
363		7318	target->Detach();
364		7318	return target;
365			}
366
367			} // namespace node
368
369			#endif // defined(NODE_WANT_INTERNALS) && NODE_WANT_INTERNALS
370
371			#endif // SRC_BASE_OBJECT_INL_H_