code: protected JsonToken handleJavascriptWithScope() throws IOException {
  		//skip size
  		_in.readInt();
  		String code = readString();
  		Map<String, Object> doc = readDocument();
  		getContext().value = new JavaScript(code, doc);
  		return JsonToken.VALUE_EMBEDDED_OBJECT;
  	}
docs: Can be called when embedded javascript code with scope is found. Reads
  the code and the embedded document.
  @return the json token read
  @throws IOException if an I/O error occurs