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-rw-r--r--node_modules/nan/nan_weak.h437
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diff --git a/node_modules/nan/nan_weak.h b/node_modules/nan/nan_weak.h
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--- a/node_modules/nan/nan_weak.h
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-/*********************************************************************
- * NAN - Native Abstractions for Node.js
- *
- * Copyright (c) 2018 NAN contributors
- *
- * MIT License <https://github.com/nodejs/nan/blob/master/LICENSE.md>
- ********************************************************************/
-
-#ifndef NAN_WEAK_H_
-#define NAN_WEAK_H_
-
-static const int kInternalFieldsInWeakCallback = 2;
-static const int kNoInternalFieldIndex = -1;
-
-#if defined(V8_MAJOR_VERSION) && (V8_MAJOR_VERSION > 4 || \
- (V8_MAJOR_VERSION == 4 && defined(V8_MINOR_VERSION) && V8_MINOR_VERSION >= 3))
-# define NAN_WEAK_PARAMETER_CALLBACK_DATA_TYPE_ \
- v8::WeakCallbackInfo<WeakCallbackInfo<T> > const&
-# define NAN_WEAK_TWOFIELD_CALLBACK_DATA_TYPE_ \
- NAN_WEAK_PARAMETER_CALLBACK_DATA_TYPE_
-# define NAN_WEAK_PARAMETER_CALLBACK_SIG_ NAN_WEAK_PARAMETER_CALLBACK_DATA_TYPE_
-# define NAN_WEAK_TWOFIELD_CALLBACK_SIG_ NAN_WEAK_TWOFIELD_CALLBACK_DATA_TYPE_
-#elif NODE_MODULE_VERSION > IOJS_1_1_MODULE_VERSION
-# define NAN_WEAK_PARAMETER_CALLBACK_DATA_TYPE_ \
- v8::PhantomCallbackData<WeakCallbackInfo<T> > const&
-# define NAN_WEAK_TWOFIELD_CALLBACK_DATA_TYPE_ \
- NAN_WEAK_PARAMETER_CALLBACK_DATA_TYPE_
-# define NAN_WEAK_PARAMETER_CALLBACK_SIG_ NAN_WEAK_PARAMETER_CALLBACK_DATA_TYPE_
-# define NAN_WEAK_TWOFIELD_CALLBACK_SIG_ NAN_WEAK_TWOFIELD_CALLBACK_DATA_TYPE_
-#elif NODE_MODULE_VERSION > NODE_0_12_MODULE_VERSION
-# define NAN_WEAK_PARAMETER_CALLBACK_DATA_TYPE_ \
- v8::PhantomCallbackData<WeakCallbackInfo<T> > const&
-# define NAN_WEAK_TWOFIELD_CALLBACK_DATA_TYPE_ \
- v8::InternalFieldsCallbackData<WeakCallbackInfo<T>, void> const&
-# define NAN_WEAK_PARAMETER_CALLBACK_SIG_ NAN_WEAK_PARAMETER_CALLBACK_DATA_TYPE_
-# define NAN_WEAK_TWOFIELD_CALLBACK_SIG_ NAN_WEAK_TWOFIELD_CALLBACK_DATA_TYPE_
-#elif NODE_MODULE_VERSION > NODE_0_10_MODULE_VERSION
-# define NAN_WEAK_CALLBACK_DATA_TYPE_ \
- v8::WeakCallbackData<S, WeakCallbackInfo<T> > const&
-# define NAN_WEAK_CALLBACK_SIG_ NAN_WEAK_CALLBACK_DATA_TYPE_
-#else
-# define NAN_WEAK_CALLBACK_DATA_TYPE_ void *
-# define NAN_WEAK_CALLBACK_SIG_ \
- v8::Persistent<v8::Value>, NAN_WEAK_CALLBACK_DATA_TYPE_
-#endif
-
-template<typename T>
-class WeakCallbackInfo {
- public:
- typedef void (*Callback)(const WeakCallbackInfo<T>& data);
- WeakCallbackInfo(
- Persistent<v8::Value> *persistent
- , Callback callback
- , void *parameter
- , void *field1 = 0
- , void *field2 = 0) :
- callback_(callback), isolate_(0), parameter_(parameter) {
- std::memcpy(&persistent_, persistent, sizeof (v8::Persistent<v8::Value>));
- internal_fields_[0] = field1;
- internal_fields_[1] = field2;
- }
- inline v8::Isolate *GetIsolate() const { return isolate_; }
- inline T *GetParameter() const { return static_cast<T*>(parameter_); }
- inline void *GetInternalField(int index) const {
- assert((index == 0 || index == 1) && "internal field index out of bounds");
- if (index == 0) {
- return internal_fields_[0];
- } else {
- return internal_fields_[1];
- }
- }
-
- private:
- NAN_DISALLOW_ASSIGN_COPY_MOVE(WeakCallbackInfo)
- Callback callback_;
- v8::Isolate *isolate_;
- void *parameter_;
- void *internal_fields_[kInternalFieldsInWeakCallback];
- v8::Persistent<v8::Value> persistent_;
- template<typename S, typename M> friend class Persistent;
- template<typename S> friend class PersistentBase;
-#if NODE_MODULE_VERSION <= NODE_0_12_MODULE_VERSION
-# if NODE_MODULE_VERSION > NODE_0_10_MODULE_VERSION
- template<typename S>
- static void invoke(NAN_WEAK_CALLBACK_SIG_ data);
- template<typename S>
- static WeakCallbackInfo *unwrap(NAN_WEAK_CALLBACK_DATA_TYPE_ data);
-# else
- static void invoke(NAN_WEAK_CALLBACK_SIG_ data);
- static WeakCallbackInfo *unwrap(NAN_WEAK_CALLBACK_DATA_TYPE_ data);
-# endif
-#else
-# if defined(V8_MAJOR_VERSION) && (V8_MAJOR_VERSION > 4 || \
- (V8_MAJOR_VERSION == 4 && defined(V8_MINOR_VERSION) && V8_MINOR_VERSION >= 3))
- template<bool isFirstPass>
- static void invokeparameter(NAN_WEAK_PARAMETER_CALLBACK_SIG_ data);
- template<bool isFirstPass>
- static void invoketwofield(NAN_WEAK_TWOFIELD_CALLBACK_SIG_ data);
-# else
- static void invokeparameter(NAN_WEAK_PARAMETER_CALLBACK_SIG_ data);
- static void invoketwofield(NAN_WEAK_TWOFIELD_CALLBACK_SIG_ data);
-# endif
- static WeakCallbackInfo *unwrapparameter(
- NAN_WEAK_PARAMETER_CALLBACK_DATA_TYPE_ data);
- static WeakCallbackInfo *unwraptwofield(
- NAN_WEAK_TWOFIELD_CALLBACK_DATA_TYPE_ data);
-#endif
-};
-
-
-#if defined(V8_MAJOR_VERSION) && (V8_MAJOR_VERSION > 4 || \
- (V8_MAJOR_VERSION == 4 && defined(V8_MINOR_VERSION) && V8_MINOR_VERSION >= 3))
-
-template<typename T>
-template<bool isFirstPass>
-void
-WeakCallbackInfo<T>::invokeparameter(NAN_WEAK_PARAMETER_CALLBACK_SIG_ data) {
- WeakCallbackInfo<T> *cbinfo = unwrapparameter(data);
- if (isFirstPass) {
- cbinfo->persistent_.Reset();
- data.SetSecondPassCallback(invokeparameter<false>);
- } else {
- cbinfo->callback_(*cbinfo);
- delete cbinfo;
- }
-}
-
-template<typename T>
-template<bool isFirstPass>
-void
-WeakCallbackInfo<T>::invoketwofield(NAN_WEAK_TWOFIELD_CALLBACK_SIG_ data) {
- WeakCallbackInfo<T> *cbinfo = unwraptwofield(data);
- if (isFirstPass) {
- cbinfo->persistent_.Reset();
- data.SetSecondPassCallback(invoketwofield<false>);
- } else {
- cbinfo->callback_(*cbinfo);
- delete cbinfo;
- }
-}
-
-template<typename T>
-WeakCallbackInfo<T> *WeakCallbackInfo<T>::unwrapparameter(
- NAN_WEAK_PARAMETER_CALLBACK_DATA_TYPE_ data) {
- WeakCallbackInfo<T> *cbinfo =
- static_cast<WeakCallbackInfo<T>*>(data.GetParameter());
- cbinfo->isolate_ = data.GetIsolate();
- return cbinfo;
-}
-
-template<typename T>
-WeakCallbackInfo<T> *WeakCallbackInfo<T>::unwraptwofield(
- NAN_WEAK_TWOFIELD_CALLBACK_DATA_TYPE_ data) {
- WeakCallbackInfo<T> *cbinfo =
- static_cast<WeakCallbackInfo<T>*>(data.GetInternalField(0));
- cbinfo->isolate_ = data.GetIsolate();
- return cbinfo;
-}
-
-#undef NAN_WEAK_PARAMETER_CALLBACK_SIG_
-#undef NAN_WEAK_TWOFIELD_CALLBACK_SIG_
-#undef NAN_WEAK_PARAMETER_CALLBACK_DATA_TYPE_
-#undef NAN_WEAK_TWOFIELD_CALLBACK_DATA_TYPE_
-# elif NODE_MODULE_VERSION > NODE_0_12_MODULE_VERSION
-
-template<typename T>
-void
-WeakCallbackInfo<T>::invokeparameter(NAN_WEAK_PARAMETER_CALLBACK_SIG_ data) {
- WeakCallbackInfo<T> *cbinfo = unwrapparameter(data);
- cbinfo->persistent_.Reset();
- cbinfo->callback_(*cbinfo);
- delete cbinfo;
-}
-
-template<typename T>
-void
-WeakCallbackInfo<T>::invoketwofield(NAN_WEAK_TWOFIELD_CALLBACK_SIG_ data) {
- WeakCallbackInfo<T> *cbinfo = unwraptwofield(data);
- cbinfo->persistent_.Reset();
- cbinfo->callback_(*cbinfo);
- delete cbinfo;
-}
-
-template<typename T>
-WeakCallbackInfo<T> *WeakCallbackInfo<T>::unwrapparameter(
- NAN_WEAK_PARAMETER_CALLBACK_DATA_TYPE_ data) {
- WeakCallbackInfo<T> *cbinfo =
- static_cast<WeakCallbackInfo<T>*>(data.GetParameter());
- cbinfo->isolate_ = data.GetIsolate();
- return cbinfo;
-}
-
-template<typename T>
-WeakCallbackInfo<T> *WeakCallbackInfo<T>::unwraptwofield(
- NAN_WEAK_TWOFIELD_CALLBACK_DATA_TYPE_ data) {
- WeakCallbackInfo<T> *cbinfo =
- static_cast<WeakCallbackInfo<T>*>(data.GetInternalField1());
- cbinfo->isolate_ = data.GetIsolate();
- return cbinfo;
-}
-
-#undef NAN_WEAK_PARAMETER_CALLBACK_SIG_
-#undef NAN_WEAK_TWOFIELD_CALLBACK_SIG_
-#undef NAN_WEAK_PARAMETER_CALLBACK_DATA_TYPE_
-#undef NAN_WEAK_TWOFIELD_CALLBACK_DATA_TYPE_
-#elif NODE_MODULE_VERSION > NODE_0_10_MODULE_VERSION
-
-template<typename T>
-template<typename S>
-void WeakCallbackInfo<T>::invoke(NAN_WEAK_CALLBACK_SIG_ data) {
- WeakCallbackInfo<T> *cbinfo = unwrap(data);
- cbinfo->persistent_.Reset();
- cbinfo->callback_(*cbinfo);
- delete cbinfo;
-}
-
-template<typename T>
-template<typename S>
-WeakCallbackInfo<T> *WeakCallbackInfo<T>::unwrap(
- NAN_WEAK_CALLBACK_DATA_TYPE_ data) {
- void *parameter = data.GetParameter();
- WeakCallbackInfo<T> *cbinfo =
- static_cast<WeakCallbackInfo<T>*>(parameter);
- cbinfo->isolate_ = data.GetIsolate();
- return cbinfo;
-}
-
-#undef NAN_WEAK_CALLBACK_SIG_
-#undef NAN_WEAK_CALLBACK_DATA_TYPE_
-#else
-
-template<typename T>
-void WeakCallbackInfo<T>::invoke(NAN_WEAK_CALLBACK_SIG_ data) {
- WeakCallbackInfo<T> *cbinfo = unwrap(data);
- cbinfo->persistent_.Dispose();
- cbinfo->persistent_.Clear();
- cbinfo->callback_(*cbinfo);
- delete cbinfo;
-}
-
-template<typename T>
-WeakCallbackInfo<T> *WeakCallbackInfo<T>::unwrap(
- NAN_WEAK_CALLBACK_DATA_TYPE_ data) {
- WeakCallbackInfo<T> *cbinfo =
- static_cast<WeakCallbackInfo<T>*>(data);
- cbinfo->isolate_ = v8::Isolate::GetCurrent();
- return cbinfo;
-}
-
-#undef NAN_WEAK_CALLBACK_SIG_
-#undef NAN_WEAK_CALLBACK_DATA_TYPE_
-#endif
-
-#if defined(V8_MAJOR_VERSION) && (V8_MAJOR_VERSION > 4 || \
- (V8_MAJOR_VERSION == 4 && defined(V8_MINOR_VERSION) && V8_MINOR_VERSION >= 3))
-template<typename T, typename M>
-template<typename P>
-inline void Persistent<T, M>::SetWeak(
- P *parameter
- , typename WeakCallbackInfo<P>::Callback callback
- , WeakCallbackType type) {
- WeakCallbackInfo<P> *wcbd;
- if (type == WeakCallbackType::kParameter) {
- wcbd = new WeakCallbackInfo<P>(
- reinterpret_cast<Persistent<v8::Value>*>(this)
- , callback
- , parameter);
- v8::PersistentBase<T>::SetWeak(
- wcbd
- , WeakCallbackInfo<P>::template invokeparameter<true>
- , type);
- } else {
- v8::Local<v8::Value>* self_v(reinterpret_cast<v8::Local<v8::Value>*>(this));
- assert((*self_v)->IsObject());
- v8::Local<v8::Object> self((*self_v).As<v8::Object>());
- int count = self->InternalFieldCount();
- void *internal_fields[kInternalFieldsInWeakCallback] = {0, 0};
- for (int i = 0; i < count && i < kInternalFieldsInWeakCallback; i++) {
- internal_fields[i] = self->GetAlignedPointerFromInternalField(i);
- }
- wcbd = new WeakCallbackInfo<P>(
- reinterpret_cast<Persistent<v8::Value>*>(this)
- , callback
- , 0
- , internal_fields[0]
- , internal_fields[1]);
- self->SetAlignedPointerInInternalField(0, wcbd);
- v8::PersistentBase<T>::SetWeak(
- static_cast<WeakCallbackInfo<P>*>(0)
- , WeakCallbackInfo<P>::template invoketwofield<true>
- , type);
- }
-}
-#elif NODE_MODULE_VERSION > IOJS_1_1_MODULE_VERSION
-template<typename T, typename M>
-template<typename P>
-inline void Persistent<T, M>::SetWeak(
- P *parameter
- , typename WeakCallbackInfo<P>::Callback callback
- , WeakCallbackType type) {
- WeakCallbackInfo<P> *wcbd;
- if (type == WeakCallbackType::kParameter) {
- wcbd = new WeakCallbackInfo<P>(
- reinterpret_cast<Persistent<v8::Value>*>(this)
- , callback
- , parameter);
- v8::PersistentBase<T>::SetPhantom(
- wcbd
- , WeakCallbackInfo<P>::invokeparameter);
- } else {
- v8::Local<v8::Value>* self_v(reinterpret_cast<v8::Local<v8::Value>*>(this));
- assert((*self_v)->IsObject());
- v8::Local<v8::Object> self((*self_v).As<v8::Object>());
- int count = self->InternalFieldCount();
- void *internal_fields[kInternalFieldsInWeakCallback] = {0, 0};
- for (int i = 0; i < count && i < kInternalFieldsInWeakCallback; i++) {
- internal_fields[i] = self->GetAlignedPointerFromInternalField(i);
- }
- wcbd = new WeakCallbackInfo<P>(
- reinterpret_cast<Persistent<v8::Value>*>(this)
- , callback
- , 0
- , internal_fields[0]
- , internal_fields[1]);
- self->SetAlignedPointerInInternalField(0, wcbd);
- v8::PersistentBase<T>::SetPhantom(
- static_cast<WeakCallbackInfo<P>*>(0)
- , WeakCallbackInfo<P>::invoketwofield
- , 0
- , count > 1 ? 1 : kNoInternalFieldIndex);
- }
-}
-#elif NODE_MODULE_VERSION > NODE_0_12_MODULE_VERSION
-template<typename T, typename M>
-template<typename P>
-inline void Persistent<T, M>::SetWeak(
- P *parameter
- , typename WeakCallbackInfo<P>::Callback callback
- , WeakCallbackType type) {
- WeakCallbackInfo<P> *wcbd;
- if (type == WeakCallbackType::kParameter) {
- wcbd = new WeakCallbackInfo<P>(
- reinterpret_cast<Persistent<v8::Value>*>(this)
- , callback
- , parameter);
- v8::PersistentBase<T>::SetPhantom(
- wcbd
- , WeakCallbackInfo<P>::invokeparameter);
- } else {
- v8::Local<v8::Value>* self_v(reinterpret_cast<v8::Local<v8::Value>*>(this));
- assert((*self_v)->IsObject());
- v8::Local<v8::Object> self((*self_v).As<v8::Object>());
- int count = self->InternalFieldCount();
- void *internal_fields[kInternalFieldsInWeakCallback] = {0, 0};
- for (int i = 0; i < count && i < kInternalFieldsInWeakCallback; i++) {
- internal_fields[i] = self->GetAlignedPointerFromInternalField(i);
- }
- wcbd = new WeakCallbackInfo<P>(
- reinterpret_cast<Persistent<v8::Value>*>(this)
- , callback
- , 0
- , internal_fields[0]
- , internal_fields[1]);
- self->SetAlignedPointerInInternalField(0, wcbd);
- v8::PersistentBase<T>::SetPhantom(
- WeakCallbackInfo<P>::invoketwofield
- , 0
- , count > 1 ? 1 : kNoInternalFieldIndex);
- }
-}
-#elif NODE_MODULE_VERSION > NODE_0_10_MODULE_VERSION
-template<typename T, typename M>
-template<typename P>
-inline void Persistent<T, M>::SetWeak(
- P *parameter
- , typename WeakCallbackInfo<P>::Callback callback
- , WeakCallbackType type) {
- WeakCallbackInfo<P> *wcbd;
- if (type == WeakCallbackType::kParameter) {
- wcbd = new WeakCallbackInfo<P>(
- reinterpret_cast<Persistent<v8::Value>*>(this)
- , callback
- , parameter);
- v8::PersistentBase<T>::SetWeak(wcbd, WeakCallbackInfo<P>::invoke);
- } else {
- v8::Local<v8::Value>* self_v(reinterpret_cast<v8::Local<v8::Value>*>(this));
- assert((*self_v)->IsObject());
- v8::Local<v8::Object> self((*self_v).As<v8::Object>());
- int count = self->InternalFieldCount();
- void *internal_fields[kInternalFieldsInWeakCallback] = {0, 0};
- for (int i = 0; i < count && i < kInternalFieldsInWeakCallback; i++) {
- internal_fields[i] = self->GetAlignedPointerFromInternalField(i);
- }
- wcbd = new WeakCallbackInfo<P>(
- reinterpret_cast<Persistent<v8::Value>*>(this)
- , callback
- , 0
- , internal_fields[0]
- , internal_fields[1]);
- v8::PersistentBase<T>::SetWeak(wcbd, WeakCallbackInfo<P>::invoke);
- }
-}
-#else
-template<typename T>
-template<typename P>
-inline void PersistentBase<T>::SetWeak(
- P *parameter
- , typename WeakCallbackInfo<P>::Callback callback
- , WeakCallbackType type) {
- WeakCallbackInfo<P> *wcbd;
- if (type == WeakCallbackType::kParameter) {
- wcbd = new WeakCallbackInfo<P>(
- reinterpret_cast<Persistent<v8::Value>*>(this)
- , callback
- , parameter);
- persistent.MakeWeak(wcbd, WeakCallbackInfo<P>::invoke);
- } else {
- v8::Local<v8::Value>* self_v(reinterpret_cast<v8::Local<v8::Value>*>(this));
- assert((*self_v)->IsObject());
- v8::Local<v8::Object> self((*self_v).As<v8::Object>());
- int count = self->InternalFieldCount();
- void *internal_fields[kInternalFieldsInWeakCallback] = {0, 0};
- for (int i = 0; i < count && i < kInternalFieldsInWeakCallback; i++) {
- internal_fields[i] = self->GetPointerFromInternalField(i);
- }
- wcbd = new WeakCallbackInfo<P>(
- reinterpret_cast<Persistent<v8::Value>*>(this)
- , callback
- , 0
- , internal_fields[0]
- , internal_fields[1]);
- persistent.MakeWeak(wcbd, WeakCallbackInfo<P>::invoke);
- }
-}
-#endif
-
-#endif // NAN_WEAK_H_
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