Haha-Yes/node_modules/nan/nan_callbacks_pre_12_inl.h
2018-09-09 21:20:36 +02:00

520 lines
17 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_CALLBACKS_PRE_12_INL_H_
#define NAN_CALLBACKS_PRE_12_INL_H_
namespace imp {
template<typename T> class ReturnValueImp;
} // end of namespace imp
template<typename T>
class ReturnValue {
v8::Isolate *isolate_;
v8::Persistent<T> *value_;
friend class imp::ReturnValueImp<T>;
public:
template <class S>
explicit inline ReturnValue(v8::Isolate *isolate, v8::Persistent<S> *p) :
isolate_(isolate), value_(p) {}
template <class S>
explicit inline ReturnValue(const ReturnValue<S>& that)
: isolate_(that.isolate_), value_(that.value_) {
TYPE_CHECK(T, S);
}
// Handle setters
template <typename S> inline void Set(const v8::Local<S> &handle) {
TYPE_CHECK(T, S);
value_->Dispose();
*value_ = v8::Persistent<T>::New(handle);
}
template <typename S> inline void Set(const Global<S> &handle) {
TYPE_CHECK(T, S);
value_->Dispose();
*value_ = v8::Persistent<T>::New(handle.persistent);
const_cast<Global<S> &>(handle).Reset();
}
// Fast primitive setters
inline void Set(bool value) {
v8::HandleScope scope;
TYPE_CHECK(T, v8::Boolean);
value_->Dispose();
*value_ = v8::Persistent<T>::New(v8::Boolean::New(value));
}
inline void Set(double i) {
v8::HandleScope scope;
TYPE_CHECK(T, v8::Number);
value_->Dispose();
*value_ = v8::Persistent<T>::New(v8::Number::New(i));
}
inline void Set(int32_t i) {
v8::HandleScope scope;
TYPE_CHECK(T, v8::Integer);
value_->Dispose();
*value_ = v8::Persistent<T>::New(v8::Int32::New(i));
}
inline void Set(uint32_t i) {
v8::HandleScope scope;
TYPE_CHECK(T, v8::Integer);
value_->Dispose();
*value_ = v8::Persistent<T>::New(v8::Uint32::NewFromUnsigned(i));
}
// Fast JS primitive setters
inline void SetNull() {
v8::HandleScope scope;
TYPE_CHECK(T, v8::Primitive);
value_->Dispose();
*value_ = v8::Persistent<T>::New(v8::Null());
}
inline void SetUndefined() {
v8::HandleScope scope;
TYPE_CHECK(T, v8::Primitive);
value_->Dispose();
*value_ = v8::Persistent<T>::New(v8::Undefined());
}
inline void SetEmptyString() {
v8::HandleScope scope;
TYPE_CHECK(T, v8::String);
value_->Dispose();
*value_ = v8::Persistent<T>::New(v8::String::Empty());
}
// Convenience getter for isolate
inline v8::Isolate *GetIsolate() const {
return isolate_;
}
// Pointer setter: Uncompilable to prevent inadvertent misuse.
template<typename S>
inline void Set(S *whatever) { TYPE_CHECK(S*, v8::Primitive); }
};
template<typename T>
class FunctionCallbackInfo {
const v8::Arguments &args_;
v8::Local<v8::Value> data_;
ReturnValue<T> return_value_;
v8::Persistent<T> retval_;
public:
explicit inline FunctionCallbackInfo(
const v8::Arguments &args
, v8::Local<v8::Value> data) :
args_(args)
, data_(data)
, return_value_(args.GetIsolate(), &retval_)
, retval_(v8::Persistent<T>::New(v8::Undefined())) {}
inline ~FunctionCallbackInfo() {
retval_.Dispose();
retval_.Clear();
}
inline ReturnValue<T> GetReturnValue() const {
return ReturnValue<T>(return_value_);
}
inline v8::Local<v8::Function> Callee() const { return args_.Callee(); }
inline v8::Local<v8::Value> Data() const { return data_; }
inline v8::Local<v8::Object> Holder() const { return args_.Holder(); }
inline bool IsConstructCall() const { return args_.IsConstructCall(); }
inline int Length() const { return args_.Length(); }
inline v8::Local<v8::Value> operator[](int i) const { return args_[i]; }
inline v8::Local<v8::Object> This() const { return args_.This(); }
inline v8::Isolate *GetIsolate() const { return args_.GetIsolate(); }
protected:
static const int kHolderIndex = 0;
static const int kIsolateIndex = 1;
static const int kReturnValueDefaultValueIndex = 2;
static const int kReturnValueIndex = 3;
static const int kDataIndex = 4;
static const int kCalleeIndex = 5;
static const int kContextSaveIndex = 6;
static const int kArgsLength = 7;
private:
NAN_DISALLOW_ASSIGN_COPY_MOVE(FunctionCallbackInfo)
};
template<typename T>
class PropertyCallbackInfoBase {
const v8::AccessorInfo &info_;
const v8::Local<v8::Value> data_;
public:
explicit inline PropertyCallbackInfoBase(
const v8::AccessorInfo &info
, const v8::Local<v8::Value> data) :
info_(info)
, data_(data) {}
inline v8::Isolate* GetIsolate() const { return info_.GetIsolate(); }
inline v8::Local<v8::Value> Data() const { return data_; }
inline v8::Local<v8::Object> This() const { return info_.This(); }
inline v8::Local<v8::Object> Holder() const { return info_.Holder(); }
protected:
static const int kHolderIndex = 0;
static const int kIsolateIndex = 1;
static const int kReturnValueDefaultValueIndex = 2;
static const int kReturnValueIndex = 3;
static const int kDataIndex = 4;
static const int kThisIndex = 5;
static const int kArgsLength = 6;
private:
NAN_DISALLOW_ASSIGN_COPY_MOVE(PropertyCallbackInfoBase)
};
template<typename T>
class PropertyCallbackInfo : public PropertyCallbackInfoBase<T> {
ReturnValue<T> return_value_;
v8::Persistent<T> retval_;
public:
explicit inline PropertyCallbackInfo(
const v8::AccessorInfo &info
, const v8::Local<v8::Value> data) :
PropertyCallbackInfoBase<T>(info, data)
, return_value_(info.GetIsolate(), &retval_)
, retval_(v8::Persistent<T>::New(v8::Undefined())) {}
inline ~PropertyCallbackInfo() {
retval_.Dispose();
retval_.Clear();
}
inline ReturnValue<T> GetReturnValue() const { return return_value_; }
};
template<>
class PropertyCallbackInfo<v8::Array> :
public PropertyCallbackInfoBase<v8::Array> {
ReturnValue<v8::Array> return_value_;
v8::Persistent<v8::Array> retval_;
public:
explicit inline PropertyCallbackInfo(
const v8::AccessorInfo &info
, const v8::Local<v8::Value> data) :
PropertyCallbackInfoBase<v8::Array>(info, data)
, return_value_(info.GetIsolate(), &retval_)
, retval_(v8::Persistent<v8::Array>::New(v8::Local<v8::Array>())) {}
inline ~PropertyCallbackInfo() {
retval_.Dispose();
retval_.Clear();
}
inline ReturnValue<v8::Array> GetReturnValue() const {
return return_value_;
}
};
template<>
class PropertyCallbackInfo<v8::Boolean> :
public PropertyCallbackInfoBase<v8::Boolean> {
ReturnValue<v8::Boolean> return_value_;
v8::Persistent<v8::Boolean> retval_;
public:
explicit inline PropertyCallbackInfo(
const v8::AccessorInfo &info
, const v8::Local<v8::Value> data) :
PropertyCallbackInfoBase<v8::Boolean>(info, data)
, return_value_(info.GetIsolate(), &retval_)
, retval_(v8::Persistent<v8::Boolean>::New(v8::Local<v8::Boolean>())) {}
inline ~PropertyCallbackInfo() {
retval_.Dispose();
retval_.Clear();
}
inline ReturnValue<v8::Boolean> GetReturnValue() const {
return return_value_;
}
};
template<>
class PropertyCallbackInfo<v8::Integer> :
public PropertyCallbackInfoBase<v8::Integer> {
ReturnValue<v8::Integer> return_value_;
v8::Persistent<v8::Integer> retval_;
public:
explicit inline PropertyCallbackInfo(
const v8::AccessorInfo &info
, const v8::Local<v8::Value> data) :
PropertyCallbackInfoBase<v8::Integer>(info, data)
, return_value_(info.GetIsolate(), &retval_)
, retval_(v8::Persistent<v8::Integer>::New(v8::Local<v8::Integer>())) {}
inline ~PropertyCallbackInfo() {
retval_.Dispose();
retval_.Clear();
}
inline ReturnValue<v8::Integer> GetReturnValue() const {
return return_value_;
}
};
namespace imp {
template<typename T>
class ReturnValueImp : public ReturnValue<T> {
public:
explicit ReturnValueImp(ReturnValue<T> that) :
ReturnValue<T>(that) {}
inline v8::Handle<T> Value() {
return *ReturnValue<T>::value_;
}
};
static
v8::Handle<v8::Value> FunctionCallbackWrapper(const v8::Arguments &args) {
v8::Local<v8::Object> obj = args.Data().As<v8::Object>();
FunctionCallback callback = reinterpret_cast<FunctionCallback>(
reinterpret_cast<intptr_t>(
obj->GetInternalField(kFunctionIndex).As<v8::External>()->Value()));
FunctionCallbackInfo<v8::Value>
cbinfo(args, obj->GetInternalField(kDataIndex));
callback(cbinfo);
return ReturnValueImp<v8::Value>(cbinfo.GetReturnValue()).Value();
}
typedef v8::Handle<v8::Value> (*NativeFunction)(const v8::Arguments &);
static
v8::Handle<v8::Value> GetterCallbackWrapper(
v8::Local<v8::String> property, const v8::AccessorInfo &info) {
v8::Local<v8::Object> obj = info.Data().As<v8::Object>();
PropertyCallbackInfo<v8::Value>
cbinfo(info, obj->GetInternalField(kDataIndex));
GetterCallback callback = reinterpret_cast<GetterCallback>(
reinterpret_cast<intptr_t>(
obj->GetInternalField(kGetterIndex).As<v8::External>()->Value()));
callback(property, cbinfo);
return ReturnValueImp<v8::Value>(cbinfo.GetReturnValue()).Value();
}
typedef v8::Handle<v8::Value> (*NativeGetter)
(v8::Local<v8::String>, const v8::AccessorInfo &);
static
void SetterCallbackWrapper(
v8::Local<v8::String> property
, v8::Local<v8::Value> value
, const v8::AccessorInfo &info) {
v8::Local<v8::Object> obj = info.Data().As<v8::Object>();
PropertyCallbackInfo<void>
cbinfo(info, obj->GetInternalField(kDataIndex));
SetterCallback callback = reinterpret_cast<SetterCallback>(
reinterpret_cast<intptr_t>(
obj->GetInternalField(kSetterIndex).As<v8::External>()->Value()));
callback(property, value, cbinfo);
}
typedef void (*NativeSetter)
(v8::Local<v8::String>, v8::Local<v8::Value>, const v8::AccessorInfo &);
static
v8::Handle<v8::Value> PropertyGetterCallbackWrapper(
v8::Local<v8::String> property, const v8::AccessorInfo &info) {
v8::Local<v8::Object> obj = info.Data().As<v8::Object>();
PropertyCallbackInfo<v8::Value>
cbinfo(info, obj->GetInternalField(kDataIndex));
PropertyGetterCallback callback = reinterpret_cast<PropertyGetterCallback>(
reinterpret_cast<intptr_t>(
obj->GetInternalField(kPropertyGetterIndex)
.As<v8::External>()->Value()));
callback(property, cbinfo);
return ReturnValueImp<v8::Value>(cbinfo.GetReturnValue()).Value();
}
typedef v8::Handle<v8::Value> (*NativePropertyGetter)
(v8::Local<v8::String>, const v8::AccessorInfo &);
static
v8::Handle<v8::Value> PropertySetterCallbackWrapper(
v8::Local<v8::String> property
, v8::Local<v8::Value> value
, const v8::AccessorInfo &info) {
v8::Local<v8::Object> obj = info.Data().As<v8::Object>();
PropertyCallbackInfo<v8::Value>
cbinfo(info, obj->GetInternalField(kDataIndex));
PropertySetterCallback callback = reinterpret_cast<PropertySetterCallback>(
reinterpret_cast<intptr_t>(
obj->GetInternalField(kPropertySetterIndex)
.As<v8::External>()->Value()));
callback(property, value, cbinfo);
return ReturnValueImp<v8::Value>(cbinfo.GetReturnValue()).Value();
}
typedef v8::Handle<v8::Value> (*NativePropertySetter)
(v8::Local<v8::String>, v8::Local<v8::Value>, const v8::AccessorInfo &);
static
v8::Handle<v8::Array> PropertyEnumeratorCallbackWrapper(
const v8::AccessorInfo &info) {
v8::Local<v8::Object> obj = info.Data().As<v8::Object>();
PropertyCallbackInfo<v8::Array>
cbinfo(info, obj->GetInternalField(kDataIndex));
PropertyEnumeratorCallback callback =
reinterpret_cast<PropertyEnumeratorCallback>(reinterpret_cast<intptr_t>(
obj->GetInternalField(kPropertyEnumeratorIndex)
.As<v8::External>()->Value()));
callback(cbinfo);
return ReturnValueImp<v8::Array>(cbinfo.GetReturnValue()).Value();
}
typedef v8::Handle<v8::Array> (*NativePropertyEnumerator)
(const v8::AccessorInfo &);
static
v8::Handle<v8::Boolean> PropertyDeleterCallbackWrapper(
v8::Local<v8::String> property
, const v8::AccessorInfo &info) {
v8::Local<v8::Object> obj = info.Data().As<v8::Object>();
PropertyCallbackInfo<v8::Boolean>
cbinfo(info, obj->GetInternalField(kDataIndex));
PropertyDeleterCallback callback = reinterpret_cast<PropertyDeleterCallback>(
reinterpret_cast<intptr_t>(
obj->GetInternalField(kPropertyDeleterIndex)
.As<v8::External>()->Value()));
callback(property, cbinfo);
return ReturnValueImp<v8::Boolean>(cbinfo.GetReturnValue()).Value();
}
typedef v8::Handle<v8::Boolean> (NativePropertyDeleter)
(v8::Local<v8::String>, const v8::AccessorInfo &);
static
v8::Handle<v8::Integer> PropertyQueryCallbackWrapper(
v8::Local<v8::String> property, const v8::AccessorInfo &info) {
v8::Local<v8::Object> obj = info.Data().As<v8::Object>();
PropertyCallbackInfo<v8::Integer>
cbinfo(info, obj->GetInternalField(kDataIndex));
PropertyQueryCallback callback = reinterpret_cast<PropertyQueryCallback>(
reinterpret_cast<intptr_t>(
obj->GetInternalField(kPropertyQueryIndex)
.As<v8::External>()->Value()));
callback(property, cbinfo);
return ReturnValueImp<v8::Integer>(cbinfo.GetReturnValue()).Value();
}
typedef v8::Handle<v8::Integer> (*NativePropertyQuery)
(v8::Local<v8::String>, const v8::AccessorInfo &);
static
v8::Handle<v8::Value> IndexGetterCallbackWrapper(
uint32_t index, const v8::AccessorInfo &info) {
v8::Local<v8::Object> obj = info.Data().As<v8::Object>();
PropertyCallbackInfo<v8::Value>
cbinfo(info, obj->GetInternalField(kDataIndex));
IndexGetterCallback callback = reinterpret_cast<IndexGetterCallback>(
reinterpret_cast<intptr_t>(
obj->GetInternalField(kIndexPropertyGetterIndex)
.As<v8::External>()->Value()));
callback(index, cbinfo);
return ReturnValueImp<v8::Value>(cbinfo.GetReturnValue()).Value();
}
typedef v8::Handle<v8::Value> (*NativeIndexGetter)
(uint32_t, const v8::AccessorInfo &);
static
v8::Handle<v8::Value> IndexSetterCallbackWrapper(
uint32_t index
, v8::Local<v8::Value> value
, const v8::AccessorInfo &info) {
v8::Local<v8::Object> obj = info.Data().As<v8::Object>();
PropertyCallbackInfo<v8::Value>
cbinfo(info, obj->GetInternalField(kDataIndex));
IndexSetterCallback callback = reinterpret_cast<IndexSetterCallback>(
reinterpret_cast<intptr_t>(
obj->GetInternalField(kIndexPropertySetterIndex)
.As<v8::External>()->Value()));
callback(index, value, cbinfo);
return ReturnValueImp<v8::Value>(cbinfo.GetReturnValue()).Value();
}
typedef v8::Handle<v8::Value> (*NativeIndexSetter)
(uint32_t, v8::Local<v8::Value>, const v8::AccessorInfo &);
static
v8::Handle<v8::Array> IndexEnumeratorCallbackWrapper(
const v8::AccessorInfo &info) {
v8::Local<v8::Object> obj = info.Data().As<v8::Object>();
PropertyCallbackInfo<v8::Array>
cbinfo(info, obj->GetInternalField(kDataIndex));
IndexEnumeratorCallback callback = reinterpret_cast<IndexEnumeratorCallback>(
reinterpret_cast<intptr_t>(
obj->GetInternalField(kIndexPropertyEnumeratorIndex)
.As<v8::External>()->Value()));
callback(cbinfo);
return ReturnValueImp<v8::Array>(cbinfo.GetReturnValue()).Value();
}
typedef v8::Handle<v8::Array> (*NativeIndexEnumerator)
(const v8::AccessorInfo &);
static
v8::Handle<v8::Boolean> IndexDeleterCallbackWrapper(
uint32_t index, const v8::AccessorInfo &info) {
v8::Local<v8::Object> obj = info.Data().As<v8::Object>();
PropertyCallbackInfo<v8::Boolean>
cbinfo(info, obj->GetInternalField(kDataIndex));
IndexDeleterCallback callback = reinterpret_cast<IndexDeleterCallback>(
reinterpret_cast<intptr_t>(
obj->GetInternalField(kIndexPropertyDeleterIndex)
.As<v8::External>()->Value()));
callback(index, cbinfo);
return ReturnValueImp<v8::Boolean>(cbinfo.GetReturnValue()).Value();
}
typedef v8::Handle<v8::Boolean> (*NativeIndexDeleter)
(uint32_t, const v8::AccessorInfo &);
static
v8::Handle<v8::Integer> IndexQueryCallbackWrapper(
uint32_t index, const v8::AccessorInfo &info) {
v8::Local<v8::Object> obj = info.Data().As<v8::Object>();
PropertyCallbackInfo<v8::Integer>
cbinfo(info, obj->GetInternalField(kDataIndex));
IndexQueryCallback callback = reinterpret_cast<IndexQueryCallback>(
reinterpret_cast<intptr_t>(
obj->GetInternalField(kIndexPropertyQueryIndex)
.As<v8::External>()->Value()));
callback(index, cbinfo);
return ReturnValueImp<v8::Integer>(cbinfo.GetReturnValue()).Value();
}
typedef v8::Handle<v8::Integer> (*NativeIndexQuery)
(uint32_t, const v8::AccessorInfo &);
} // end of namespace imp
#endif // NAN_CALLBACKS_PRE_12_INL_H_