\begin{mycode}
#\tomblue{\%transformation}# Text2Picture(gp:GeoPicture):text.ecore->geopicture.ecore {
  ...
  #\tomblue{definition}# B2BluePentagon {
    #\hlred{b}#@BText[...] -> {
      GreenSquare square = #\tomblue{\%resolve}#(#\hlred{b}#:BText,square_connector:GreenSquare); 
      BluePentagon pentagon = `Pentagon("blue",square); 
      }
    }
  }
  ...
}
\end{mycode}