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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 | +} | |