001package jtb; 002 003/* Generated By:JavaCC: Do not edit this line. Token.java Version 3.0 */ 004/** 005 * Describes the input token stream. 006 */ 007 008public class Token { 009 010 /** 011 * An integer that describes the kind of this token. This numbering 012 * system is determined by JavaCCParser, and a table of these numbers is 013 * stored in the file ...Constants.java. 014 */ 015 public int kind; 016 017 /** 018 * beginLine and beginColumn describe the position of the first character 019 * of this token; endLine and endColumn describe the position of the 020 * last character of this token. 021 */ 022 public int beginLine, beginColumn, endLine, endColumn; 023 024 /** 025 * The string image of the token. 026 */ 027 public String image; 028 029 /** 030 * A reference to the next regular (non-special) token from the input 031 * stream. If this is the last token from the input stream, or if the 032 * token manager has not read tokens beyond this one, this field is 033 * set to null. This is true only if this token is also a regular 034 * token. Otherwise, see below for a description of the contents of 035 * this field. 036 */ 037 public Token next; 038 039 /** 040 * This field is used to access special tokens that occur prior to this 041 * token, but after the immediately preceding regular (non-special) token. 042 * If there are no such special tokens, this field is set to null. 043 * When there are more than one such special token, this field refers 044 * to the last of these special tokens, which in turn refers to the next 045 * previous special token through its specialToken field, and so on 046 * until the first special token (whose specialToken field is null). 047 * The next fields of special tokens refer to other special tokens that 048 * immediately follow it (without an intervening regular token). If there 049 * is no such token, this field is null. 050 */ 051 public Token specialToken; 052 053 /** 054 * Returns the image. 055 */ 056 public String toString() 057 { 058 return image; 059 } 060 061 /** 062 * Returns a new Token object, by default. However, if you want, you 063 * can create and return subclass objects based on the value of ofKind. 064 * Simply add the cases to the switch for all those special cases. 065 * For example, if you have a subclass of Token called IDToken that 066 * you want to create if ofKind is ID, simlpy add something like : 067 * 068 * case MyParserConstants.ID : return new IDToken(); 069 * 070 * to the following switch statement. Then you can cast matchedToken 071 * variable to the appropriate type and use it in your lexical actions. 072 */ 073 public static final Token newToken(int ofKind) 074 { 075 switch(ofKind) 076 { 077 default : return new Token(); 078 case JavaParserConstants.RUNSIGNEDSHIFT: 079 case JavaParserConstants.RSIGNEDSHIFT: 080 case JavaParserConstants.GT: 081 return new GTToken(); 082 } 083 } 084 085 public static class GTToken extends Token 086 { 087 int realKind = JavaParserConstants.GT; 088 } 089}