Tue, 11 Aug 2009 01:13:14 +0100
6521805: Regression: JDK5/JDK6 javac allows write access to outer class reference
Summary: javac should warn/complain about identifiers with the same name as synthetic symbol
Reviewed-by: jjg
duke@1 | 1 | /* |
duke@1 | 2 | * Copyright 2003-2005 Sun Microsystems, Inc. All Rights Reserved. |
duke@1 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
duke@1 | 4 | * |
duke@1 | 5 | * This code is free software; you can redistribute it and/or modify it |
duke@1 | 6 | * under the terms of the GNU General Public License version 2 only, as |
duke@1 | 7 | * published by the Free Software Foundation. Sun designates this |
duke@1 | 8 | * particular file as subject to the "Classpath" exception as provided |
duke@1 | 9 | * by Sun in the LICENSE file that accompanied this code. |
duke@1 | 10 | * |
duke@1 | 11 | * This code is distributed in the hope that it will be useful, but WITHOUT |
duke@1 | 12 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
duke@1 | 13 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
duke@1 | 14 | * version 2 for more details (a copy is included in the LICENSE file that |
duke@1 | 15 | * accompanied this code). |
duke@1 | 16 | * |
duke@1 | 17 | * You should have received a copy of the GNU General Public License version |
duke@1 | 18 | * 2 along with this work; if not, write to the Free Software Foundation, |
duke@1 | 19 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
duke@1 | 20 | * |
duke@1 | 21 | * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
duke@1 | 22 | * CA 95054 USA or visit www.sun.com if you need additional information or |
duke@1 | 23 | * have any questions. |
duke@1 | 24 | */ |
duke@1 | 25 | |
duke@1 | 26 | package com.sun.tools.javadoc; |
duke@1 | 27 | |
duke@1 | 28 | |
duke@1 | 29 | import com.sun.javadoc.*; |
duke@1 | 30 | |
duke@1 | 31 | import static com.sun.javadoc.LanguageVersion.*; |
duke@1 | 32 | |
duke@1 | 33 | import com.sun.tools.javac.code.Symbol.ClassSymbol; |
duke@1 | 34 | import com.sun.tools.javac.code.Type; |
duke@1 | 35 | import com.sun.tools.javac.util.List; |
duke@1 | 36 | |
duke@1 | 37 | |
duke@1 | 38 | /** |
duke@1 | 39 | * Implementation of <code>WildcardType</code>, which |
duke@1 | 40 | * represents a wildcard type. |
duke@1 | 41 | * |
duke@1 | 42 | * @author Scott Seligman |
duke@1 | 43 | * @since 1.5 |
duke@1 | 44 | */ |
duke@1 | 45 | public class WildcardTypeImpl extends AbstractTypeImpl implements WildcardType { |
duke@1 | 46 | |
duke@1 | 47 | WildcardTypeImpl(DocEnv env, Type.WildcardType type) { |
duke@1 | 48 | super(env, type); |
duke@1 | 49 | } |
duke@1 | 50 | |
duke@1 | 51 | /** |
duke@1 | 52 | * Return the upper bounds of this wildcard type argument |
duke@1 | 53 | * as given by the <i>extends</i> clause. |
duke@1 | 54 | * Return an empty array if no such bounds are explicitly given. |
duke@1 | 55 | */ |
duke@1 | 56 | public com.sun.javadoc.Type[] extendsBounds() { |
duke@1 | 57 | return TypeMaker.getTypes(env, getExtendsBounds((Type.WildcardType)type)); |
duke@1 | 58 | } |
duke@1 | 59 | |
duke@1 | 60 | /** |
duke@1 | 61 | * Return the lower bounds of this wildcard type argument |
duke@1 | 62 | * as given by the <i>super</i> clause. |
duke@1 | 63 | * Return an empty array if no such bounds are explicitly given. |
duke@1 | 64 | */ |
duke@1 | 65 | public com.sun.javadoc.Type[] superBounds() { |
duke@1 | 66 | return TypeMaker.getTypes(env, getSuperBounds((Type.WildcardType)type)); |
duke@1 | 67 | } |
duke@1 | 68 | |
duke@1 | 69 | /** |
duke@1 | 70 | * Return the ClassDoc of the erasure of this wildcard type. |
duke@1 | 71 | */ |
duke@1 | 72 | public ClassDoc asClassDoc() { |
duke@1 | 73 | return env.getClassDoc((ClassSymbol)env.types.erasure(type).tsym); |
duke@1 | 74 | } |
duke@1 | 75 | |
duke@1 | 76 | public WildcardType asWildcardType() { |
duke@1 | 77 | return this; |
duke@1 | 78 | } |
duke@1 | 79 | |
duke@1 | 80 | public String typeName() { return "?"; } |
duke@1 | 81 | public String qualifiedTypeName() { return "?"; } |
duke@1 | 82 | public String simpleTypeName() { return "?"; } |
duke@1 | 83 | |
duke@1 | 84 | public String toString() { |
duke@1 | 85 | return wildcardTypeToString(env, (Type.WildcardType)type, true); |
duke@1 | 86 | } |
duke@1 | 87 | |
duke@1 | 88 | |
duke@1 | 89 | /** |
duke@1 | 90 | * Return the string form of a wildcard type ("?") along with any |
duke@1 | 91 | * "extends" or "super" clause. Delimiting brackets are not |
duke@1 | 92 | * included. Class names are qualified if "full" is true. |
duke@1 | 93 | */ |
duke@1 | 94 | static String wildcardTypeToString(DocEnv env, |
duke@1 | 95 | Type.WildcardType wildThing, boolean full) { |
duke@1 | 96 | if (env.legacyDoclet) { |
duke@1 | 97 | return TypeMaker.getTypeName(env.types.erasure(wildThing), full); |
duke@1 | 98 | } |
duke@1 | 99 | StringBuffer s = new StringBuffer("?"); |
duke@1 | 100 | List<Type> bounds = getExtendsBounds(wildThing); |
duke@1 | 101 | if (bounds.nonEmpty()) { |
duke@1 | 102 | s.append(" extends "); |
duke@1 | 103 | } else { |
duke@1 | 104 | bounds = getSuperBounds(wildThing); |
duke@1 | 105 | if (bounds.nonEmpty()) { |
duke@1 | 106 | s.append(" super "); |
duke@1 | 107 | } |
duke@1 | 108 | } |
duke@1 | 109 | boolean first = true; // currently only one bound is allowed |
duke@1 | 110 | for (Type b : bounds) { |
duke@1 | 111 | if (!first) { |
duke@1 | 112 | s.append(" & "); |
duke@1 | 113 | } |
duke@1 | 114 | s.append(TypeMaker.getTypeString(env, b, full)); |
duke@1 | 115 | first = false; |
duke@1 | 116 | } |
duke@1 | 117 | return s.toString(); |
duke@1 | 118 | } |
duke@1 | 119 | |
duke@1 | 120 | private static List<Type> getExtendsBounds(Type.WildcardType wild) { |
duke@1 | 121 | return wild.isSuperBound() |
duke@1 | 122 | ? List.<Type>nil() |
duke@1 | 123 | : List.of(wild.type); |
duke@1 | 124 | } |
duke@1 | 125 | |
duke@1 | 126 | private static List<Type> getSuperBounds(Type.WildcardType wild) { |
duke@1 | 127 | return wild.isExtendsBound() |
duke@1 | 128 | ? List.<Type>nil() |
duke@1 | 129 | : List.of(wild.type); |
duke@1 | 130 | } |
duke@1 | 131 | } |