Source code
Description: source: package: org.apache.commons.configuration2.plist, class: Token

    001/* Generated By:JavaCC: Do not edit this line. Token.java Version 5.0 */
    002/* JavaCCOptions:TOKEN_EXTENDS=,KEEP_LINE_COL=null,SUPPORT_CLASS_VISIBILITY_PUBLIC=true */
    003package org.apache.commons.configuration2.plist;
    004
    005/**
    006 * Describes the input token stream.
    007 */
    008
    009public class Token implements java.io.Serializable {
    010
    011  /**
    012   * The version identifier for this Serializable class.
    013   * Increment only if the <i>serialized</i> form of the
    014   * class changes.
    015   */
    016  private static final long serialVersionUID = 1L;
    017
    018  /**
    019   * An integer that describes the kind of this token.  This numbering
    020   * system is determined by JavaCCParser, and a table of these numbers is
    021   * stored in the file ...Constants.java.
    022   */
    023  public int kind;
    024
    025  /** The line number of the first character of this Token. */
    026  public int beginLine;
    027  /** The column number of the first character of this Token. */
    028  public int beginColumn;
    029  /** The line number of the last character of this Token. */
    030  public int endLine;
    031  /** The column number of the last character of this Token. */
    032  public int endColumn;
    033
    034  /**
    035   * The string image of the token.
    036   */
    037  public String image;
    038
    039  /**
    040   * A reference to the next regular (non-special) token from the input
    041   * stream.  If this is the last token from the input stream, or if the
    042   * token manager has not read tokens beyond this one, this field is
    043   * set to null.  This is true only if this token is also a regular
    044   * token.  Otherwise, see below for a description of the contents of
    045   * this field.
    046   */
    047  public Token next;
    048
    049  /**
    050   * This field is used to access special tokens that occur prior to this
    051   * token, but after the immediately preceding regular (non-special) token.
    052   * If there are no such special tokens, this field is set to null.
    053   * When there are more than one such special token, this field refers
    054   * to the last of these special tokens, which in turn refers to the next
    055   * previous special token through its specialToken field, and so on
    056   * until the first special token (whose specialToken field is null).
    057   * The next fields of special tokens refer to other special tokens that
    058   * immediately follow it (without an intervening regular token).  If there
    059   * is no such token, this field is null.
    060   */
    061  public Token specialToken;
    062
    063  /**
    064   * An optional attribute value of the Token.
    065   * Tokens which are not used as syntactic sugar will often contain
    066   * meaningful values that will be used later on by the compiler or
    067   * interpreter. This attribute value is often different from the image.
    068   * Any subclass of Token that actually wants to return a non-null value can
    069   * override this method as appropriate.
    070   */
    071  public Object getValue() {
    072    return null;
    073  }
    074
    075  /**
    076   * No-argument constructor
    077   */
    078  public Token() {}
    079
    080  /**
    081   * Constructs a new token for the specified Image.
    082   */
    083  public Token(int kind)
    084  {
    085    this(kind, null);
    086  }
    087
    088  /**
    089   * Constructs a new token for the specified Image and Kind.
    090   */
    091  public Token(int kind, String image)
    092  {
    093    this.kind = kind;
    094    this.image = image;
    095  }
    096
    097  /**
    098   * Returns the image.
    099   */
    100  public String toString()
    101  {
    102    return image;
    103  }
    104
    105  /**
    106   * Returns a new Token object, by default. However, if you want, you
    107   * can create and return subclass objects based on the value of ofKind.
    108   * Simply add the cases to the switch for all those special cases.
    109   * For example, if you have a subclass of Token called IDToken that
    110   * you want to create if ofKind is ID, simply add something like :
    111   *
    112   *    case MyParserConstants.ID : return new IDToken(ofKind, image);
    113   *
    114   * to the following switch statement. Then you can cast matchedToken
    115   * variable to the appropriate type and use sit in your lexical actions.
    116   */
    117  public static Token newToken(int ofKind, String image)
    118  {
    119    switch(ofKind)
    120    {
    121      default : return new Token(ofKind, image);
    122    }
    123  }
    124
    125  public static Token newToken(int ofKind)
    126  {
    127    return newToken(ofKind, null);
    128  }
    129
    130}
    131/* JavaCC - OriginalChecksum=3d2e91ebfbd5613c7471a7af4ec5a1cf (do not edit this line) */