pushOnExpressionStack(
new TrueLiteral(this.scanner.startPosition, this.scanner.currentPosition - 1));
break;
case TokenNamenull :
pushOnExpressionStack(
new NullLiteral(this.scanner.startPosition, this.scanner.currentPosition - 1));
break;
//============================
case TokenNamesuper :
case TokenNamethis :
this.endPosition = this.scanner.currentPosition - 1;