       1 /*
       2  * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.
       3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
       4  *
       5  * This code is free software; you can redistribute it and/or modify it
       6  * under the terms of the GNU General Public License version 2 only, as
       7  * published by the Free Software Foundation.  Oracle designates this
       8  * particular file as subject to the "Classpath" exception as provided
       9  * by Oracle in the LICENSE file that accompanied this code.
      10  *
      11  * This code is distributed in the hope that it will be useful, but WITHOUT
      12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
      13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
      14  * version 2 for more details (a copy is included in the LICENSE file that
      15  * accompanied this code).
      16  *
      17  * You should have received a copy of the GNU General Public License version
      18  * 2 along with this work; if not, write to the Free Software Foundation,
      19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
      20  *
      21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
      22  * or visit www.oracle.com if you need additional information or have any
      23  * questions.
      24  */
      25
      26 package jdk.nashorn.api.tree;
      27
      28 import java.util.List;
      29
      30 /**
      31  * A tree node for <a href="http://www.ecma-international.org/ecma-262/6.0/#sec-function-defining-expressions">function expressions</a> including <a href="http://www.ecma-international.org/ecma-262/6.0/#sec-arrow-function-definitions">arrow functions</a>.
      32  *
      33  * For example:
      34  * <pre>
      35  *   <em>var</em> func = <em>function</em>
      36  *      ( <em>parameters</em> )
      37  *      <em>body</em>
      38  * </pre>
      39  *
      40  * <pre>
      41  *   <em>var</em> func = <em>(x) =&gt; x+1</em>
      42  * </pre>
      43  *

      44  * @since 9
      45  */

      46 public interface FunctionExpressionTree extends ExpressionTree {
      47     /**
      48      * Returns the name of the function being declared.
      49      *
      50      * @return name the function declared
      51      */
      52     IdentifierTree getName();
      53
      54     /**
      55      * Returns the parameters of this function.
      56      *
      57      * @return the list of parameters
      58      */
      59     List<? extends ExpressionTree> getParameters();
      60
      61     /**
      62      * Returns the body of this function. This may be a {@link BlockTree} when this
      63      * function has a block body. This is an {@link ExpressionTree} when the function body
      64      * is a concise expression as in an expression arrow, or in an expression closure.
      65      *
      66      * @return the body of this function
      67      */
      68     Tree getBody();
      69
      70     /**
      71      * Is this a strict function?
      72      *
      73      * @return true if this function is strict
      74      */
      75     boolean isStrict();
      76
      77     /**
      78      * Is this a arrow function?
      79      *
      80      * @return true if this is a arrow function
      81      */
      82     boolean isArrow();
      83
      84     /**
      85      * Is this a generator function?
      86      *
      87      * @return true if this is a generator function
      88      */
      89     boolean isGenerator();
      90 }
    --- EOF ---