mirror of
https://github.com/JellyApple102/tree-sitter-dfraw.git
synced 2024-11-25 23:49:20 +02:00
438 lines
15 KiB
C++
438 lines
15 KiB
C++
/*********************************************************************
|
|
* 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_
|