/*******************************************************************************
 * Copyright (c) 2015 Eclipse RDF4J contributors, Aduna, and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Distribution License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/org/documents/edl-v10.php.
 *******************************************************************************/
/* Generated By:JavaCC: Do not edit this line. Token.java Version 5.0 */
/* JavaCCOptions:TOKEN_EXTENDS=,KEEP_LINE_COL=null,SUPPORT_CLASS_VISIBILITY_PUBLIC=true */
package org.eclipse.rdf4j.query.parser.sparql.ast;

/**
 * Describes the input token stream.
 */

public class Token implements java.io.Serializable {

	/**
	 * The version identifier for this Serializable class. Increment only if the <i>serialized</i> form of the class
	 * changes.
	 */
	private static final long serialVersionUID = 1L;

	/**
	 * An integer that describes the kind of this token. This numbering system is determined by JavaCCParser, and a
	 * table of these numbers is stored in the file ...Constants.java.
	 */
	public int kind;

	/** The line number of the first character of this Token. */
	public int beginLine;
	/** The column number of the first character of this Token. */
	public int beginColumn;
	/** The line number of the last character of this Token. */
	public int endLine;
	/** The column number of the last character of this Token. */
	public int endColumn;

	/**
	 * The string image of the token.
	 */
	public String image;

	/**
	 * A reference to the next regular (non-special) token from the input stream. If this is the last token from the
	 * input stream, or if the token manager has not read tokens beyond this one, this field is set to null. This is
	 * true only if this token is also a regular token. Otherwise, see below for a description of the contents of this
	 * field.
	 */
	public Token next;

	/**
	 * This field is used to access special tokens that occur prior to this token, but after the immediately preceding
	 * regular (non-special) token. If there are no such special tokens, this field is set to null. When there are more
	 * than one such special token, this field refers to the last of these special tokens, which in turn refers to the
	 * next previous special token through its specialToken field, and so on until the first special token (whose
	 * specialToken field is null). The next fields of special tokens refer to other special tokens that immediately
	 * follow it (without an intervening regular token). If there is no such token, this field is null.
	 */
	public Token specialToken;

	/**
	 * An optional attribute value of the Token. Tokens which are not used as syntactic sugar will often contain
	 * meaningful values that will be used later on by the compiler or interpreter. This attribute value is often
	 * different from the image. Any subclass of Token that actually wants to return a non-null value can override this
	 * method as appropriate.
	 */
	public Object getValue() {
		return null;
	}

	/**
	 * No-argument constructor
	 */
	public Token() {
	}

	/**
	 * Constructs a new token for the specified Image.
	 */
	public Token(int kind) {
		this(kind, null);
	}

	/**
	 * Constructs a new token for the specified Image and Kind.
	 */
	public Token(int kind, String image) {
		this.kind = kind;
		this.image = image;
	}

	/**
	 * Returns the image.
	 */
	@Override
	public String toString() {
		return image;
	}

	/**
	 * Returns a new Token object, by default. However, if you want, you can create and return subclass objects based on
	 * the value of ofKind. Simply add the cases to the switch for all those special cases. For example, if you have a
	 * subclass of Token called IDToken that you want to create if ofKind is ID, simply add something like :
	 *
	 * case MyParserConstants.ID : return new IDToken(ofKind, image);
	 *
	 * to the following switch statement. Then you can cast matchedToken variable to the appropriate type and use sit in
	 * your lexical actions.
	 */
	public static Token newToken(int ofKind, String image) {
		switch (ofKind) {
		default:
			return new Token(ofKind, image);
		}
	}

	public static Token newToken(int ofKind) {
		return newToken(ofKind, null);
	}

}
/* JavaCC - OriginalChecksum=03c79449b74b5c9aa749389d1f45fd60 (do not edit this line) */
