1 /*
   2  * Copyright (c) 2015, 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 /**
  29  * A tree node for postfix and unary expressions.
  30  * Use {@link #getKind getKind} to determine the kind of operator.
  31  *
  32  * For example:
  33  * <pre>
  34  *   <em>operator</em> <em>expression</em>
  35  *
  36  *   <em>expression</em> <em>operator</em>
  37  * </pre>
  38  *
  39  * @since 1.9
  40  */
  41 @jdk.Exported
  42 public interface UnaryTree extends ExpressionTree {
  43     /**
  44      * Returns the expression operated by the unary operator.
  45      * 
  46      * @return The expression operated by the unary operator.
  47      */
  48     ExpressionTree getExpression();
  49 }