/*
 * 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
 *
 *   https://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 0.7pre3 */
package Mini;

/**
 * Describes the input token stream.
 */
public class Token {

    /**
     * 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, simlpy add something like :
     *
     * case MyParserConstants.ID : return new IDToken();
     *
     * to the following switch statement. Then you can cast matchedToken variable to the appropriate type and use it in your
     * lexical actions.
     */
    public static Token newToken(final int ofKind) {
        switch (ofKind) {
        default:
            return new Token();
        }
    }

    /**
     * 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;

    /**
     * beginLine and beginColumn describe the position of the first character of this token; endLine and endColumn describe
     * the position of the last character of this token.
     */
    public int beginLine, beginColumn, endLine, 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;

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

}
