Execute javascript using c++ component

[aarkan]

I am embedding browser in my own c++ application using gecko sdk #28. To execute the javascipt from c++, I am using following code:

Code: Select all

       nsCOMPtr< nsIDocShell > docShell = do_GetInterface( mWebBrowser ); 
      if (docShell)
      { 
         nsIScriptGlobalObject *theGlobalObject ; 
         theGlobalObject = docShell->GetScriptGlobalObject(); 
         nsIScriptContext *theScriptContext = theGlobalObject->GetContext();  
         nsresult rv ; 
         auto ctx = theScriptContext->GetNativeContext();
         JS::CompileOptions options(ctx);
         JS::Rooted<JSObject *> handle(ctx);

         options.setFileAndLine("", 1);
         
         rv = theScriptContext->EvaluateString(script,
            handle, options, false, nullptr);      
      }

The program crashes while calling EvaluateString. I am unable to understand the reason. Please help.