C++ (Cpp) EscapableHandleScope示例

示例#1

文件： accessors.cpp 项目： LadiesChris/nan

v8::Local<v8::Value> SetterGetter::NewInstance () {
  EscapableHandleScope scope;
  v8::Local<v8::FunctionTemplate> constructorHandle =
      Nan::New(settergetter_constructor);
  v8::Local<v8::Object> instance =
    constructorHandle->GetFunction()->NewInstance(0, NULL);
  return scope.Escape(instance);
}

示例#2

文件： indexedinterceptors.cpp 项目： kkoopa/nan

v8::Local<v8::Value> IndexedInterceptor::NewInstance () {
  EscapableHandleScope scope;
  v8::Local<v8::FunctionTemplate> constructorHandle =
      Nan::New(indexedinterceptors_constructor);
  v8::Local<v8::Object> instance =
    Nan::NewInstance(constructorHandle->GetFunction()).ToLocalChecked();
  return scope.Escape(instance);
}

示例#3

文件： namedinterceptors.cpp 项目： explodingbarrel/nan

v8::Local<v8::Value> NamedInterceptor::NewInstance () {
  EscapableHandleScope scope;
  v8::Local<v8::FunctionTemplate> constructorHandle =
      Nan::New(namedinterceptors_constructor);
  v8::Local<v8::Object> instance =
    constructorHandle->GetFunction()->NewInstance(0, NULL);
  return scope.Escape(instance);
}

示例#4

文件： weak.cpp 项目： explodingbarrel/nan

v8::Local<v8::String> wrap(v8::Local<v8::Function> func) {
  EscapableHandleScope scope;
  v8::Local<v8::String> lstring = New<v8::String>("result").ToLocalChecked();
  int *parameter = new int(42);
  Persistent<v8::Function> persistent(func);
  persistent.SetWeak(parameter, weakCallback, WeakCallbackType::kParameter);
  assert(persistent.IsWeak());
  return scope.Escape(lstring);
}

示例#5

文件： weak2.cpp 项目： explodingbarrel/nan

v8::Local<v8::String> wrap() {
  EscapableHandleScope scope;
  v8::Local<v8::String> lstring = New("result").ToLocalChecked();
  v8::Local<v8::ObjectTemplate> otpl = New<v8::ObjectTemplate>();
  otpl->SetInternalFieldCount(1);
  v8::Local<v8::Object> obj = otpl->NewInstance();
  SetInternalFieldPointer(obj, 0, new int(42));
  Persistent<v8::Object> persistent(obj);
  persistent.SetWeak(
      static_cast<int*>(0)
    , weakCallback
    , WeakCallbackType::kInternalFields);
  assert(persistent.IsWeak());
  return scope.Escape(lstring);
}

示例#6

文件： accessors2.cpp 项目： explodingbarrel/nan

v8::Local<v8::Value> SetterGetter::NewInstance () {
  EscapableHandleScope scope;
  v8::Local<v8::FunctionTemplate> constructorHandle =
      Nan::New(settergetter_constructor);
  v8::Local<v8::Object> instance =
    constructorHandle->GetFunction()->NewInstance(0, NULL);
  SetAccessor(
      instance
    , Nan::New("prop1").ToLocalChecked()
    , SetterGetter::GetProp1);
  SetAccessor(
      instance
    , Nan::New<v8::String>("prop2").ToLocalChecked()
    , SetterGetter::GetProp2
    , SetterGetter::SetProp2
  );
  return scope.Escape(instance);
}