001/* 002 * Units of Measurement Implementation for Java SE 003 * Copyright (c) 2005-2017, Jean-Marie Dautelle, Werner Keil, V2COM. 004 * 005 * All rights reserved. 006 * 007 * Redistribution and use in source and binary forms, with or without modification, 008 * are permitted provided that the following conditions are met: 009 * 010 * 1. Redistributions of source code must retain the above copyright notice, 011 * this list of conditions and the following disclaimer. 012 * 013 * 2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions 014 * and the following disclaimer in the documentation and/or other materials provided with the distribution. 015 * 016 * 3. Neither the name of JSR-363 nor the names of its contributors may be used to endorse or promote products 017 * derived from this software without specific prior written permission. 018 * 019 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 020 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 021 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 022 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE 023 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 024 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 025 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 026 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 027 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, 028 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 029 */ 030/* Generated By:JavaCC: Do not edit this line. Token.java Version 5.0 */ 031/* JavaCCOptions:TOKEN_EXTENDS=,KEEP_LINE_COL=null,SUPPORT_CLASS_VISIBILITY_PUBLIC=true */ 032package tec.uom.se.internal.format; 033 034/** 035 * Describes the input token stream. 036 * 037 * @version 5.2, April 16, 2014 038 */ 039 040public final class Token { 041 042 /** 043 * The Serialization identifier for this class. Increment only if the <i>serialized</i> form of the class changes. 044 */ 045 // private static final long serialVersionUID = 2188279658897600591L; 046 047 /** 048 * 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 049 * the file ...Constants.java. 050 */ 051 public int kind; 052 053 /** The line number of the first character of this Token. */ 054 public int beginLine; 055 /** The column number of the first character of this Token. */ 056 public int beginColumn; 057 /** The line number of the last character of this Token. */ 058 public int endLine; 059 /** The column number of the last character of this Token. */ 060 public int endColumn; 061 062 /** 063 * The string image of the token. 064 */ 065 public String image; 066 067 /** 068 * 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 069 * 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 070 * below for a description of the contents of this field. 071 */ 072 public Token next; 073 074 /** 075 * This field is used to access special tokens that occur prior to this token, but after the immediately preceding regular (non-special) token. If 076 * 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 077 * these special tokens, which in turn refers to the next previous special token through its specialToken field, and so on until the first special 078 * token (whose specialToken field is null). The next fields of special tokens refer to other special tokens that immediately follow it (without an 079 * intervening regular token). If there is no such token, this field is null. 080 */ 081 public Token specialToken; 082 083 /** 084 * An optional attribute value of the Token. Tokens which are not used as syntactic sugar will often contain meaningful values that will be used 085 * later on by the compiler or interpreter. This attribute value is often different from the image. Any subclass of Token that actually wants to 086 * return a non-null value can override this method as appropriate. 087 */ 088 public Object getValue() { 089 return null; 090 } 091 092 /** 093 * No-argument constructor 094 */ 095 public Token() { 096 } 097 098 /** 099 * Constructs a new token for the specified Image. 100 */ 101 public Token(int kind) { 102 this(kind, null); 103 } 104 105 /** 106 * Constructs a new token for the specified Image and Kind. 107 */ 108 public Token(int kind, String image) { 109 this.kind = kind; 110 this.image = image; 111 } 112 113 /** 114 * Returns the image. 115 */ 116 public String toString() { 117 return image; 118 } 119 120 /** 121 * 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 122 * 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 123 * ofKind is ID, simply add something like : 124 * 125 * case MyParserConstants.ID : return new IDToken(ofKind, image); 126 * 127 * to the following switch statement. Then you can cast matchedToken variable to the appropriate type and use sit in your lexical actions. 128 */ 129 public static Token newToken(int ofKind, String image) { 130 switch (ofKind) { 131 default: 132 return new Token(ofKind, image); 133 } 134 } 135 136 public static Token newToken(int ofKind) { 137 return newToken(ofKind, null); 138 } 139 140} 141/* 142 * JavaCC - OriginalChecksum=08d08345e10cca30522247698d4478e6 (do not edit this 143 * line) 144 */