I noticed something else. Whatever value I set using
*info.GetReturnValue().Set(),
*I am able to see when I do this : *console.log(cppVariable.__proto__);*
What maybe the reason for that?
regards,
Anoop R. S.
On Wednesday, 9 May 2018 19:42:35 UTC+5:30, Anoop R. S. wrote:
>
> Also, when I do a mouse over on the variable p,
> *AccessorGetterCallbackFunction* is invoked, which makes me believe that
> this function is responsible for displaying the content of the variable.
> But whatever value I set, *v8::Integer* or *v8:String*, it is displayed
> blank.
>
> regards,
> Anoop R. S.
>
> On Wednesday, 9 May 2018 19:35:59 UTC+5:30, Anoop R. S. wrote:
>>
>> Thank you all for your replies.
>> But my intention is different. Let me be more specific:
>> I want others to debug the JavaScript code but not the c++ part. They
>> will use chrome devtools to do that. So, when they encounter any c++ object
>> that is made available to Javascript, I would like to display some custom
>> information about it.
>>
>> While wrapping the object, I implimented *GenericNamedPropertyGetterCallback
>> *and called *SetHandler* to set it to the *ObjectTemplate* using
>> function *NamedPropertyHandlerConfiguration*
>>
>> point_object_template->SetHandler(
>> v8::NamedPropertyHandlerConfiguration(AccessorGetterCallbackFunction,0,
>> NamedPropertyQueryCallbackFunction));
>>
>> The function is implemented as follows:
>> void AccessorGetterCallbackFunction(v8::Local<v8::Name> property, const
>> v8::PropertyCallbackInfo<v8::Value>& info)
>> {
>> auto pointPtr = UnwrapPoint(info.Holder());
>> bool bIsString = property->IsString();
>> std::string accessed_property;
>> auto value = v8::Local<v8::String>::Cast(property);
>> v8::String::Utf8Value utf8_value(v8::Local<v8::String>::Cast(property));
>> accessed_property = *utf8_value;
>> if (accessed_property == "x")
>>
>> info.GetReturnValue().Set(v8::Integer::New(info.GetIsolate(), pointPtr->
>> x_));
>>
>> else if (accessed_property == "y")
>>
>> info.GetReturnValue().Set(v8::Integer::New(info.GetIsolate(), pointPtr->
>> y_));
>>
>> }
>>
>> The content of p is coming as {} as shown below.
>>
>>
>> <https://lh3.googleusercontent.com/-JE5N1GWgBZY/WvL8eaJ88OI/AAAAAAAAFdI/rfNwKshqsqUVH7y7VetfcWHqmcp-ae9dACLcBGAs/s1600/Capture.PNG>
>> Are there any callbacks are available to set the content that is
>> displayed as value of p? Also, other than x and y, which are members of
>> *Point,
>> *another property named *splice* is showing up. When is this property
>> accessed?
>> Please let me know if you have any information.
>>
>> regards,
>> Anoop R. S.
>>
>> On Wednesday, 9 May 2018 17:44:12 UTC+5:30, ibon wrote:
>>>
>>> Hey, I do this all the time with android studio.
>>> I have an android app with embedded v8, and debug both native c++ and
>>> javascript seamlessly.
>>>
>>> El martes, 8 de mayo de 2018, 6:35:12 (UTC+2), Anoop R. S. escribió:
>>>>
>>>> Hi All,
>>>> I am trying out a debugger prototype using the remote debugger
>>>> protocol.
>>>> Going by the standard example in Embedder's Guide:
>>>> C++ class:
>>>> -------------
>>>> class Point {
>>>> public:
>>>> Point(int x, int y) : x_(x), y_(y) { }
>>>> int x_, y_;
>>>> }
>>>>
>>>> Usage in JavaScript:
>>>> ---------------------------
>>>> var p = Point(1,2);
>>>>
>>>> Has anyone tried debugging a wrapped C++ object that is being returned
>>>> to Javascript? Is it possible?
>>>>
>>>> regards,
>>>> Anoop R. S.
>>>>
>>>
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