nl_tokens: 25 . 4 . 3 . 1 Promise ( executor )
pl_tokens: function Promise ( executor ) { var promise = this ; if ( ! IsCallable ( executor ) ) { throw TypeError ( 'Invalid executor' ) ; } if ( Type ( promise ) !== 'object' ) { throw TypeError ( 'Invalid promise' ) ; } if ( <mask> ( promise [ '[[PromiseStatus]]' ] ) !== 'undefined' ) { throw TypeError ( ) ; } defineInternal ( this , '[[PromiseConstructor]]' , Promise ) ; return InitializePromise ( promise , executor ) ; }