function GetSourceLine(message) {
  var script = %MessageGetScript(message);
  var start_position = %MessageGetStartPosition(message);
  var location = script.locationFromPosition(start_position, true);
  if (location == null) return "";
  return location.sourceText;
}
function GetSourceLine(message) {
  var script = %MessageGetScript(message);
  var start_position = %MessageGetStartPosition(message);
  var location = script.locationFromPosition(start_position, true);
  if (location == null) return "";
  return location.sourceText;
}
function GetSourceLine ( message ) { var script = % MessageGetScript ( message ) ; var start_position = % MessageGetStartPosition ( message ) ; var location = script . locationFromPosition ( start_position , true ) ; if ( location == null ) return "" ; return location . sourceText ; }
Returns the source code line containing the given source position, or the empty string if the position is invalid.
Returns the source code line containing the given source position or the empty string if the position is invalid .