1 /*
   2  * Copyright (c) 2010, 2013, 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.internal.parser;
  27 
  28 /**
  29  * Classification of token types.
  30  */
  31 public enum TokenKind {
  32     /** Error, EOF, EOL...*/
  33     SPECIAL,
  34     /** Unary operators. */
  35     UNARY,
  36     /** Binary operators. */
  37     BINARY,
  38     /** [] () {} */
  39     BRACKET,
  40     /** String recognized as a keyword. */
  41     KEYWORD,
  42     /** Literal constant. */
  43     LITERAL,
  44     /** IR only token. */
  45     IR,
  46     /** Token reserved for future usage. */
  47     FUTURE,
  48     /** Token reserved for future in strict mode. */
  49     FUTURESTRICT
  50 }