1 /* 2 * Copyright (c) 2005, 2019, 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 package javax.lang.model.util; 27 28 import javax.annotation.processing.SupportedSourceVersion; 29 import javax.lang.model.SourceVersion; 30 import javax.lang.model.element.*; 31 import static javax.lang.model.SourceVersion.*; 32 33 34 /** 35 * A skeletal visitor of program elements with default behavior 36 * appropriate for the {@link SourceVersion#RELEASE_6 RELEASE_6} 37 * source version. 38 * 39 * <p> <b>WARNING:</b> The {@code ElementVisitor} interface 40 * implemented by this class may have methods added to it in the 41 * future to accommodate new, currently unknown, language structures 42 * added to future versions of the Java™ programming language. 43 * Therefore, methods whose names begin with {@code "visit"} may be 44 * added to this class in the future; to avoid incompatibilities, 45 * classes which extend this class should not declare any instance 46 * methods with names beginning with {@code "visit"}. 47 * 48 * <p>When such a new visit method is added, the default 49 * implementation in this class will be to call the {@link 50 * #visitUnknown visitUnknown} method. A new abstract element visitor 51 * class will also be introduced to correspond to the new language 52 * level; this visitor will have different default behavior for the 53 * visit method in question. When the new visitor is introduced, all 54 * or portions of this visitor may be deprecated. 55 * 56 * @param <R> the return type of this visitor's methods. Use {@link 57 * Void} for visitors that do not need to return results. 58 * @param <P> the type of the additional parameter to this visitor's 59 * methods. Use {@code Void} for visitors that do not need an 60 * additional parameter. 61 * 62 * @author Joseph D. Darcy 63 * @author Scott Seligman 64 * @author Peter von der Ahé 65 * 66 * @see AbstractElementVisitor7 67 * @see AbstractElementVisitor8 68 * @see AbstractElementVisitor9 69 * @see AbstractElementVisitor14 70 * @since 1.6 71 */ 72 @SupportedSourceVersion(RELEASE_6) 73 public abstract class AbstractElementVisitor6<R, P> implements ElementVisitor<R, P> { 74 /** | 1 /* 2 * Copyright (c) 2005, 2020, 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 package javax.lang.model.util; 27 28 import javax.annotation.processing.SupportedSourceVersion; 29 import javax.lang.model.SourceVersion; 30 import javax.lang.model.element.*; 31 import static javax.lang.model.SourceVersion.*; 32 33 34 /** 35 * A skeletal visitor of program elements with default behavior 36 * appropriate for the {@link SourceVersion#RELEASE_6 RELEASE_6} 37 * source version. 38 * 39 * @apiNote 40 * <p id=note_for_subclasses><strong>WARNING:</strong> The {@code 41 * ElementVisitor} interface implemented by this class may have 42 * methods added to it in the future to accommodate new, currently 43 * unknown, language structures added to future versions of the 44 * Java™ programming language. Therefore, methods whose names 45 * begin with {@code "visit"} may be added to this class in the 46 * future; to avoid incompatibilities, classes and subclasses which 47 * extend this class should not declare any instance methods with 48 * names beginning with {@code "visit"}.</p> 49 * 50 * <p>When such a new visit method is added, the default 51 * implementation in this class will be to directly or indirectly call 52 * the {@link #visitUnknown visitUnknown} method. A new abstract 53 * element visitor class will also be introduced to correspond to the 54 * new language level; this visitor will have different default 55 * behavior for the visit method in question. When a new visitor is 56 * introduced, portions of this visitor class may be deprecated, 57 * including its constructors. 58 * 59 * @param <R> the return type of this visitor's methods. Use {@link 60 * Void} for visitors that do not need to return results. 61 * @param <P> the type of the additional parameter to this visitor's 62 * methods. Use {@code Void} for visitors that do not need an 63 * additional parameter. 64 * 65 * @author Joseph D. Darcy 66 * @author Scott Seligman 67 * @author Peter von der Ahé 68 * 69 * @see AbstractElementVisitor7 70 * @see AbstractElementVisitor8 71 * @see AbstractElementVisitor9 72 * @see AbstractElementVisitor14 73 * @since 1.6 74 */ 75 @SupportedSourceVersion(RELEASE_6) 76 public abstract class AbstractElementVisitor6<R, P> implements ElementVisitor<R, P> { 77 /** |