It is very simple: I want to set javascript callback functions where the first parameter is a javascript object. so I have a C++ object, let say a button. When the button is pressed, a callback function is called with the button in parameter. In my v8 code, I create an persistent object template for the button, store the button address in the 1st internal field and somewhere else I add a method to create a button. the button object template has a method to set a callback. in this setCallback method, I store a persistent with the function in parameter (it will be called outside the current c++ method, so after the release of the handlescope), a persistent with the global object, a persistent with the v8 button object. the problem is with the last one. my method to set the callback is called with an local handle on the v8 object in parameter (retrieved with: v8::Local<v8::Object> self = args.Holder();). I have no way to go from this Local to the persistent I created first, so I need to create another persistent from the local, or I managed to find a way to retrieve the persistent from the c++ object (for which i have the address in the 1st internal field). Is that more clear?
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