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[/] [fpga-cf/] [trunk/] [java/] [src/] [edu/] [byu/] [cc/] [plieber/] [fpgaenet/] [debug/] [llparse/] [Token.java] - Blame information for rev 4

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1 2 peteralieb 
/* Generated By:JavaCC: Do not edit this line. Token.java Version 5.0 */
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/* JavaCCOptions:TOKEN_EXTENDS=,KEEP_LINE_COL=null,SUPPORT_CLASS_VISIBILITY_PUBLIC=true */
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/*
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@LICENSE@
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*/
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package edu.byu.cc.plieber.fpgaenet.debug.llparse;
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/**
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 * Describes the input token stream.
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 */
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public class Token implements java.io.Serializable {
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  /**
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   * The version identifier for this Serializable class.
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   * Increment only if the <i>serialized</i> form of the
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   * class changes.
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   */
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  private static final long serialVersionUID = 1L;
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  /**
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   * An integer that describes the kind of this token.  This numbering
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   * system is determined by JavaCCParser, and a table of these numbers is
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   * stored in the file ...Constants.java.
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   */
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  public int kind;
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  /** The line number of the first character of this Token. */
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  public int beginLine;
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  /** The column number of the first character of this Token. */
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  public int beginColumn;
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  /** The line number of the last character of this Token. */
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  public int endLine;
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  /** The column number of the last character of this Token. */
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  public int endColumn;
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  /**
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   * The string image of the token.
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   */
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  public String image;
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  /**
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   * A reference to the next regular (non-special) token from the input
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   * stream.  If this is the last token from the input stream, or if the
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   * token manager has not read tokens beyond this one, this field is
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   * set to null.  This is true only if this token is also a regular
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   * token.  Otherwise, see below for a description of the contents of
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   * this field.
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   */
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  public Token next;
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  /**
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   * This field is used to access special tokens that occur prior to this
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   * token, but after the immediately preceding regular (non-special) token.
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   * If there are no such special tokens, this field is set to null.
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   * When there are more than one such special token, this field refers
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   * to the last of these special tokens, which in turn refers to the next
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   * previous special token through its specialToken field, and so on
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   * until the first special token (whose specialToken field is null).
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   * The next fields of special tokens refer to other special tokens that
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   * immediately follow it (without an intervening regular token).  If there
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   * is no such token, this field is null.
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   */
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  public Token specialToken;
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  /**
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   * An optional attribute value of the Token.
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   * Tokens which are not used as syntactic sugar will often contain
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   * meaningful values that will be used later on by the compiler or
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   * interpreter. This attribute value is often different from the image.
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   * Any subclass of Token that actually wants to return a non-null value can
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   * override this method as appropriate.
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   */
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  public Object getValue() {
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    return null;
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  }
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  /**
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   * No-argument constructor
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   */
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  public Token() {}
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  /**
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   * Constructs a new token for the specified Image.
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   */
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  public Token(int kind)
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  {
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    this(kind, null);
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  }
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  /**
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   * Constructs a new token for the specified Image and Kind.
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   */
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  public Token(int kind, String image)
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  {
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    this.kind = kind;
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    this.image = image;
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  }
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  /**
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   * Returns the image.
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   */
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  public String toString()
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  {
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    return image;
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  }
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  /**
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   * Returns a new Token object, by default. However, if you want, you
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   * can create and return subclass objects based on the value of ofKind.
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   * Simply add the cases to the switch for all those special cases.
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   * For example, if you have a subclass of Token called IDToken that
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   * you want to create if ofKind is ID, simply add something like :
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   *
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   *    case MyParserConstants.ID : return new IDToken(ofKind, image);
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   *
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   * to the following switch statement. Then you can cast matchedToken
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   * variable to the appropriate type and use sit in your lexical actions.
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   */
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  public static Token newToken(int ofKind, String image)
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  {
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    switch(ofKind)
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    {
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      default : return new Token(ofKind, image);
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    }
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  }
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  public static Token newToken(int ofKind)
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  {
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    return newToken(ofKind, null);
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  }
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}
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/* JavaCC - OriginalChecksum=f5d43f7e236b5daf28ccee325bc233f9 (do not edit this line) */

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