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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