1 /*
2 * Copyright (c) 2005, 2010, 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
50 *
51 * <p>When such a new visit method is added, the default
52 * implementation in this class will be to call the {@link
53 * #visitUnknown visitUnknown} method. A new abstract element visitor
54 * class will also be introduced to correspond to the new language
55 * level; this visitor will have different default behavior for the
56 * visit method in question. When the new visitor is introduced, all
57 * or portions of this visitor may be deprecated.
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 * @since 1.6
71 */
72 @SupportedSourceVersion(RELEASE_6)
73 public abstract class AbstractElementVisitor6<R, P> implements ElementVisitor<R, P> {
74 /**
75 * Constructor for concrete subclasses to call.
76 */
77 protected AbstractElementVisitor6(){}
78
79 /**
80 * Visits any program element as if by passing itself to that
81 * element's {@link Element#accept accept} method. The invocation
82 * {@code v.visit(elem)} is equivalent to {@code elem.accept(v,
83 * p)}.
84 *
85 * @param e the element to visit
86 * @param p a visitor-specified parameter
87 * @return a visitor-specified result
88 */
89 public final R visit(Element e, P p) {
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1 /*
2 * Copyright (c) 2005, 2011, 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
50 *
51 * <p>When such a new visit method is added, the default
52 * implementation in this class will be to call the {@link
53 * #visitUnknown visitUnknown} method. A new abstract element visitor
54 * class will also be introduced to correspond to the new language
55 * level; this visitor will have different default behavior for the
56 * visit method in question. When the new visitor is introduced, all
57 * or portions of this visitor may be deprecated.
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 * @since 1.6
72 */
73 @SupportedSourceVersion(RELEASE_6)
74 public abstract class AbstractElementVisitor6<R, P> implements ElementVisitor<R, P> {
75 /**
76 * Constructor for concrete subclasses to call.
77 */
78 protected AbstractElementVisitor6(){}
79
80 /**
81 * Visits any program element as if by passing itself to that
82 * element's {@link Element#accept accept} method. The invocation
83 * {@code v.visit(elem)} is equivalent to {@code elem.accept(v,
84 * p)}.
85 *
86 * @param e the element to visit
87 * @param p a visitor-specified parameter
88 * @return a visitor-specified result
89 */
90 public final R visit(Element e, P p) {
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