/* 
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 * 
 * http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

/* Generated By:JavaCC: Do not edit this line. Token.java Version 4.1 */
/* JavaCCOptions:TOKEN_EXTENDS=,KEEP_LINE_COL=null */

using System;

namespace Lucene.Net.QueryParsers
{
    
    /// <summary> Describes the input token stream.</summary>
    
    public class Token
    {
        
        /// <summary> 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.
        /// </summary>
        public int kind;
        
        /// <summary>The line number of the first character of this Token. </summary>
        public int beginLine;
        /// <summary>The column number of the first character of this Token. </summary>
        public int beginColumn;
        /// <summary>The line number of the last character of this Token. </summary>
        public int endLine;
        /// <summary>The column number of the last character of this Token. </summary>
        public int endColumn;
        
        /// <summary> The string image of the token.</summary>
        public System.String image;
        
        /// <summary> 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.
        /// </summary>
        public Token next;
        
        /// <summary> 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.
        /// </summary>
        public Token specialToken;

        /// <summary> 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.
        /// </summary>
        public virtual object Value
        {
            get { return null; }
        }

        /// <summary> No-argument constructor</summary>
        public Token()
        {
        }
        
        /// <summary> Constructs a new token for the specified Image.</summary>
        public Token(int kind):this(kind, null)
        {
        }
        
        /// <summary> Constructs a new token for the specified Image and Kind.</summary>
        public Token(int kind, System.String image)
        {
            this.kind = kind;
            this.image = image;
        }
        
        /// <summary> Returns the image.</summary>
        public override System.String ToString()
        {
            return image;
        }
        
        /// <summary> 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.
        /// </summary>
        public static Token NewToken(int ofKind, System.String image)
        {
            switch (ofKind)
            {
                
                default:  return new Token(ofKind, image);
                
            }
        }
        
        public static Token NewToken(int ofKind)
        {
            return NewToken(ofKind, null);
        }
    }
    /* JavaCC - OriginalChecksum=c147cc166a7cf8812c7c39bc8c5eb868 (do not edit this line) */
}