/** | |
* Copyright (c) 2005, 2010, Werner Keil, Ikayzo and others. | |
* All rights reserved. This program and the accompanying materials | |
* are made available under the terms of the Eclipse Public License v1.0 | |
* which accompanies this distribution, and is available at | |
* http://www.eclipse.org/legal/epl-v10.html | |
* | |
* Contributors: | |
* Werner Keil, Ikayzo and others - initial API and implementation | |
*/ | |
/* 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.uomo.units.impl.format; | |
/** | |
* Describes the input token stream. | |
*/ | |
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 = 2188279658897600591L; | |
/** | |
* 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. | |
*/ | |
int kind; | |
/** The line number of the first character of this Token. */ | |
int beginLine; | |
/** The column number of the first character of this Token. */ | |
int beginColumn; | |
/** The line number of the last character of this Token. */ | |
int endLine; | |
/** The column number of the last character of this Token. */ | |
int endColumn; | |
/** | |
* The string image of the token. | |
*/ | |
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. | |
*/ | |
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. | |
*/ | |
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. | |
*/ | |
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=08d08345e10cca30522247698d4478e6 (do not edit this line) */ |