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| 1 | /* | ||
| 2 | * Copyright (c) 1999, 2001, Oracle and/or its affiliates. All rights reserved. | ||
| 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | ||
| 4 | * | ||
| 5 | * This code is free software; you can redistribute it and/or modify it | ||
| 6 | * under the terms of the GNU General Public License version 2 only, as | ||
| 7 | * published by the Free Software Foundation. Oracle designates this | ||
| 8 | * particular file as subject to the "Classpath" exception as provided | ||
| 9 | * by Oracle in the LICENSE file that accompanied this code. | ||
| 10 | * | ||
| 11 | * This code is distributed in the hope that it will be useful, but WITHOUT | ||
| 12 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | ||
| 13 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | ||
| 14 | * version 2 for more details (a copy is included in the LICENSE file that | ||
| 15 | * accompanied this code). | ||
| 16 | * | ||
| 17 | * You should have received a copy of the GNU General Public License version | ||
| 18 | * 2 along with this work; if not, write to the Free Software Foundation, | ||
| 19 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | ||
| 20 | * | ||
| 21 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | ||
| 22 | * or visit www.oracle.com if you need additional information or have any | ||
| 23 | * questions. | ||
| 24 | */ | ||
| 25 | |||
| 26 | /* Generated By:JavaCC: Do not edit this line. Token.java Version 0.7pre3 */ | ||
| 27 | package com.sun.tools.example.debug.expr; | ||
| 28 | |||
| 29 | /** | ||
| 30 | * Describes the input token stream. | ||
| 31 | */ | ||
| 32 | |||
| 33 | public class Token { | ||
| 34 | |||
| 35 | /** | ||
| 36 | * An integer that describes the kind of this token. This numbering | ||
| 37 | * system is determined by JavaCCParser, and a table of these numbers is | ||
| 38 | * stored in the file ...Constants.java. | ||
| 39 | */ | ||
| 40 | public int kind; | ||
| 41 | |||
| 42 | /** | ||
| 43 | * beginLine and beginColumn describe the position of the first character | ||
| 44 | * of this token; endLine and endColumn describe the position of the | ||
| 45 | * last character of this token. | ||
| 46 | */ | ||
| 47 | public int beginLine, beginColumn, endLine, endColumn; | ||
| 48 | |||
| 49 | /** | ||
| 50 | * The string image of the token. | ||
| 51 | */ | ||
| 52 | public String image; | ||
| 53 | |||
| 54 | /** | ||
| 55 | * A reference to the next regular (non-special) token from the input | ||
| 56 | * stream. If this is the last token from the input stream, or if the | ||
| 57 | * token manager has not read tokens beyond this one, this field is | ||
| 58 | * set to null. This is true only if this token is also a regular | ||
| 59 | * token. Otherwise, see below for a description of the contents of | ||
| 60 | * this field. | ||
| 61 | */ | ||
| 62 | public Token next; | ||
| 63 | |||
| 64 | /** | ||
| 65 | * This field is used to access special tokens that occur prior to this | ||
| 66 | * token, but after the immediately preceding regular (non-special) token. | ||
| 67 | * If there are no such special tokens, this field is set to null. | ||
| 68 | * When there are more than one such special token, this field refers | ||
| 69 | * to the last of these special tokens, which in turn refers to the next | ||
| 70 | * previous special token through its specialToken field, and so on | ||
| 71 | * until the first special token (whose specialToken field is null). | ||
| 72 | * The next fields of special tokens refer to other special tokens that | ||
| 73 | * immediately follow it (without an intervening regular token). If there | ||
| 74 | * is no such token, this field is null. | ||
| 75 | */ | ||
| 76 | public Token specialToken; | ||
| 77 | |||
| 78 | /** | ||
| 79 | * Returns the image. | ||
| 80 | */ | ||
| 81 | @Override | ||
| 82 | public final String toString() | ||
| 83 | { | ||
| 84 | return image; | ||
| 85 | } | ||
| 86 | |||
| 87 | /** | ||
| 88 | * Returns a new Token object, by default. However, if you want, you | ||
| 89 | * can create and return subclass objects based on the value of ofKind. | ||
| 90 | * Simply add the cases to the switch for all those special cases. | ||
| 91 | * For example, if you have a subclass of Token called IDToken that | ||
| 92 | * you want to create if ofKind is ID, simlpy add something like : | ||
| 93 | * | ||
| 94 | * case MyParserConstants.ID : return new IDToken(); | ||
| 95 | * | ||
| 96 | * to the following switch statement. Then you can cast matchedToken | ||
| 97 | * variable to the appropriate type and use it in your lexical actions. | ||
| 98 | */ | ||
| 99 | public static final Token newToken(int ofKind) | ||
| 100 | { | ||
| 101 | switch(ofKind) | ||
| 102 | { | ||
| 103 | default : return new Token(); | ||
| 104 | } | ||
| 105 | } | ||
| 106 | |||
| 107 | } | ||