001/**
002 *  Unit-API - Units of Measurement API for Java
003 *  Copyright (c) 2005-2015, Jean-Marie Dautelle, Werner Keil, V2COM.
004 *
005 * All rights reserved.
006 *
007 * Redistribution and use in source and binary forms, with or without modification,
008 * are permitted provided that the following conditions are met:
009 *
010 * 1. Redistributions of source code must retain the above copyright notice,
011 *    this list of conditions and the following disclaimer.
012 *
013 * 2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions
014 *    and the following disclaimer in the documentation and/or other materials provided with the distribution.
015 *
016 * 3. Neither the name of Unit-API nor the names of its contributors may be used to endorse or promote products
017 *    derived from this software without specific prior written permission.
018 *
019 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
020 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
021 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
022 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
023 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
024 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
025 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
026 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
027 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
028 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
029 */
030/* Generated By:JavaCC: Do not edit this line. Token.java Version 5.0 */
031/* JavaCCOptions:TOKEN_EXTENDS=,KEEP_LINE_COL=null,SUPPORT_CLASS_VISIBILITY_PUBLIC=true */
032package systems.uom.ucum.internal.format;
033
034/**
035 * Describes the input token stream.
036 *
037 * @version 0.5.2, August 8, 2015
038 */
039
040public final class Token {
041
042         /**
043      * The Serialization identifier for this class.
044          * Increment only if the <i>serialized</i> form of the
045          * class changes.
046          */
047//      private static final long serialVersionUID = 2188279658897600591L;
048
049  /**
050   * An integer that describes the kind of this token.  This numbering
051   * system is determined by JavaCCParser, and a table of these numbers is
052   * stored in the file ...Constants.java.
053   */
054  public int kind;
055
056  /** The line number of the first character of this Token. */
057  public int beginLine;
058  /** The column number of the first character of this Token. */
059  public int beginColumn;
060  /** The line number of the last character of this Token. */
061  public int endLine;
062  /** The column number of the last character of this Token. */
063  public int endColumn;
064
065  /**
066   * The string image of the token.
067   */
068  public String image;
069
070  /**
071   * A reference to the next regular (non-special) token from the input
072   * stream.  If this is the last token from the input stream, or if the
073   * token manager has not read tokens beyond this one, this field is
074   * set to null.  This is true only if this token is also a regular
075   * token.  Otherwise, see below for a description of the contents of
076   * this field.
077   */
078  public Token next;
079
080  /**
081   * This field is used to access special tokens that occur prior to this
082   * token, but after the immediately preceding regular (non-special) token.
083   * If there are no such special tokens, this field is set to null.
084   * When there are more than one such special token, this field refers
085   * to the last of these special tokens, which in turn refers to the next
086   * previous special token through its specialToken field, and so on
087   * until the first special token (whose specialToken field is null).
088   * The next fields of special tokens refer to other special tokens that
089   * immediately follow it (without an intervening regular token).  If there
090   * is no such token, this field is null.
091   */
092  public Token specialToken;
093
094  /**
095   * An optional attribute value of the Token.
096   * Tokens which are not used as syntactic sugar will often contain
097   * meaningful values that will be used later on by the compiler or
098   * interpreter. This attribute value is often different from the image.
099   * Any subclass of Token that actually wants to return a non-null value can
100   * override this method as appropriate.
101   */
102  public Object getValue() {
103    return null;
104  }
105
106  /**
107   * No-argument constructor
108   */
109  public Token() {}
110
111  /**
112   * Constructs a new token for the specified Image.
113   */
114  public Token(int kind)
115  {
116    this(kind, null);
117  }
118
119  /**
120   * Constructs a new token for the specified Image and Kind.
121   */
122  public Token(int kind, String image)
123  {
124    this.kind = kind;
125    this.image = image;
126  }
127
128  /**
129   * Returns the image.
130   */
131  public String toString()
132  {
133    return image;
134  }
135
136  /**
137   * Returns a new Token object, by default. However, if you want, you
138   * can create and return subclass objects based on the value of ofKind.
139   * Simply add the cases to the switch for all those special cases.
140   * For example, if you have a subclass of Token called IDToken that
141   * you want to create if ofKind is ID, simply add something like :
142   *
143   *    case MyParserConstants.ID : return new IDToken(ofKind, image);
144   *
145   * to the following switch statement. Then you can cast matchedToken
146   * variable to the appropriate type and use sit in your lexical actions.
147   */
148  public static Token newToken(int ofKind, String image)
149  {
150    switch(ofKind)
151    {
152      default : return new Token(ofKind, image);
153    }
154  }
155
156  public static Token newToken(int ofKind)
157  {
158    return newToken(ofKind, null);
159  }
160
161}
162/* JavaCC - OriginalChecksum=08d08345e10cca30522247698d4478e6 (do not edit this line) */