Token.java

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/*
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 * Copyright 2006 - 2013
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 *     Stefan Balev     <stefan.balev@graphstream-project.org>
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 *     Julien Baudry    <julien.baudry@graphstream-project.org>
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 *     Antoine Dutot    <antoine.dutot@graphstream-project.org>
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 *     Yoann Pign��      <yoann.pigne@graphstream-project.org>
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 *     Guilhelm Savin   <guilhelm.savin@graphstream-project.org>
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 * 
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 * This file is part of GraphStream <http://graphstream-project.org>.
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 * 
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 * GraphStream is a library whose purpose is to handle static or dynamic
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 * graph, create them from scratch, file or any source and display them.
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 * 
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 * This program is free software distributed under the terms of two licenses, the
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 * CeCILL-C license that fits European law, and the GNU Lesser General Public
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 * License. You can  use, modify and/ or redistribute the software under the terms
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 * of the CeCILL-C license as circulated by CEA, CNRS and INRIA at the following
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 * URL <http://www.cecill.info> or under the terms of the GNU LGPL as published by
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 * the Free Software Foundation, either version 3 of the License, or (at your
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 * option) any later version.
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 * 
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 * This program is distributed in the hope that it will be useful, but WITHOUT ANY
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 * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
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 * PARTICULAR PURPOSE.  See the GNU Lesser General Public License for more details.
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 * 
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 * You should have received a copy of the GNU Lesser General Public License
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 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
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 * 
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 * The fact that you are presently reading this means that you have had
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 * knowledge of the CeCILL-C and LGPL licenses and that you accept their terms.
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 */
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package org.graphstream.util.parser;
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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. Increment only if the
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	 * <i>serialized</i> form of the 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 system
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	 * is determined by JavaCCParser, and a table of these numbers is stored in
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	 * 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 token
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	 * manager has not read tokens beyond this one, this field is set to null.
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	 * This is true only if this token is also a regular token. Otherwise, see
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	 * below for a description of the contents of 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. When
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	 * there are more than one such special token, this field refers to the last
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	 * of these special tokens, which in turn refers to the next previous
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	 * special token through its specialToken field, and so on until the first
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	 * special token (whose specialToken field is null). The next fields of
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	 * special tokens refer to other special tokens that immediately follow it
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	 * (without an intervening regular token). If there is no such token, this
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	 * 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. Tokens which are not used as
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	 * syntactic sugar will often contain meaningful values that will be used
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	 * later on by the compiler or interpreter. This attribute value is often
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	 * different from the image. Any subclass of Token that actually wants to
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	 * return a non-null value can override this method as appropriate.
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	 */
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	public Object getValue() {
98 1 1. getValue : mutated return of Object value for org/graphstream/util/parser/Token::getValue to ( if (x != null) null else throw new RuntimeException ) → NO_COVERAGE
		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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	/**
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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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		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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		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() {
126 1 1. toString : mutated return of Object value for org/graphstream/util/parser/Token::toString to ( if (x != null) null else throw new RuntimeException ) → NO_COVERAGE
		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 can
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	 * create and return subclass objects based on the value of ofKind. Simply
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	 * add the cases to the switch for all those special cases. For example, if
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	 * you have a subclass of Token called IDToken that you want to create if
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	 * 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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		switch (ofKind) {
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		default:
144 1 1. newToken : mutated return of Object value for org/graphstream/util/parser/Token::newToken to ( if (x != null) null else throw new RuntimeException ) → NO_COVERAGE
			return new Token(ofKind, image);
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		}
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	}
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	public static Token newToken(int ofKind) {
149 1 1. newToken : mutated return of Object value for org/graphstream/util/parser/Token::newToken to ( if (x != null) null else throw new RuntimeException ) → NO_COVERAGE
		return newToken(ofKind, null);
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	}
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}
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/*
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 * JavaCC - OriginalChecksum=0c00a7ff8fbeeb2312a89d5c1c4252da (do not edit this
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 * line)
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 */

Mutations

98

1.1
Location : getValue
Killed by : none
mutated return of Object value for org/graphstream/util/parser/Token::getValue to ( if (x != null) null else throw new RuntimeException ) → NO_COVERAGE

126

1.1
Location : toString
Killed by : none
mutated return of Object value for org/graphstream/util/parser/Token::toString to ( if (x != null) null else throw new RuntimeException ) → NO_COVERAGE

144

1.1
Location : newToken
Killed by : none
mutated return of Object value for org/graphstream/util/parser/Token::newToken to ( if (x != null) null else throw new RuntimeException ) → NO_COVERAGE

149

1.1
Location : newToken
Killed by : none
mutated return of Object value for org/graphstream/util/parser/Token::newToken to ( if (x != null) null else throw new RuntimeException ) → NO_COVERAGE

Active mutators

Tests examined


Report generated by PIT 0.33