Thu, 12 Jan 2012 15:28:34 +0000
7123100: javac fails with java.lang.StackOverflowError
Summary: Inference of under-constrained type-variables creates erroneous recursive wildcard types
Reviewed-by: jjg
1 /*
2 * Copyright (c) 2003, 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
23 * questions.
24 */
26 package com.sun.tools.javadoc;
28 import com.sun.javadoc.*;
30 import static com.sun.javadoc.LanguageVersion.*;
32 import com.sun.tools.javac.code.Symbol.*;
33 import com.sun.tools.javac.tree.JCTree.*;
34 import com.sun.tools.javac.util.List;
35 import com.sun.tools.javac.util.Name;
36 import com.sun.tools.javac.util.Position;
38 /**
39 * Represents an element of an annotation type.
40 *
41 * @author Scott Seligman
42 * @since 1.5
43 */
45 public class AnnotationTypeElementDocImpl
46 extends MethodDocImpl implements AnnotationTypeElementDoc {
48 public AnnotationTypeElementDocImpl(DocEnv env, MethodSymbol sym) {
49 super(env, sym);
50 }
52 public AnnotationTypeElementDocImpl(DocEnv env, MethodSymbol sym,
53 String doc, JCMethodDecl tree, Position.LineMap lineMap) {
54 super(env, sym, doc, tree, lineMap);
55 }
57 /**
58 * Returns true, as this is an annotation type element.
59 * (For legacy doclets, return false.)
60 */
61 public boolean isAnnotationTypeElement() {
62 return !isMethod();
63 }
65 /**
66 * Returns false. Although this is technically a method, we don't
67 * consider it one for this purpose.
68 * (For legacy doclets, return true.)
69 */
70 public boolean isMethod() {
71 return env.legacyDoclet;
72 }
74 /**
75 * Returns false, even though this is indeed abstract. See
76 * MethodDocImpl.isAbstract() for the (il)logic behind this.
77 */
78 public boolean isAbstract() {
79 return false;
80 }
82 /**
83 * Returns the default value of this element.
84 * Returns null if this element has no default.
85 */
86 public AnnotationValue defaultValue() {
87 return (sym.defaultValue == null)
88 ? null
89 : new AnnotationValueImpl(env, sym.defaultValue);
90 }
91 }