New expressions

Syntax

    FullNewExpression :
      new FullNewSubexpression Arguments
    FullNewSubexpression :
      PrimaryExpression
      FullNewExpression
      FullNewSubexpression PropertyOperator
      SuperExpression PropertyOperator
    ShortNewExpression :
      new ShortNewSubexpression
    ShortNewSubexpression :
      FullNewSubexpression
      ShortNewExpression