This is what your code returns:

"TypeError: Result of expression 'fun' [fun(){return 115;}] is not a function."
so your function code is plain wrong

Here is the proper code:

Qt Code:
  1. #include <QtGui>
  2. #include <QtScript>
  3.  
  4. int main(int argc, char **argv) {
  5. QApplication app(argc, argv);
  6. QScriptEngine engine;
  7. QScriptContext *context = engine.pushContext();
  8. QScriptValue v = context->activationObject();
  9. v.setProperty("fun", engine.evaluate("(function(){return 115;})"));
  10. QScriptValue result = engine.evaluate("fun()");
  11. engine.popContext();
  12. qDebug() << result.toString();
  13. return 0;
  14. }
To copy to clipboard, switch view to plain text mode