author | jjg |
Mon, 09 May 2016 16:52:15 -0700 | |
changeset 37938 | 42baa89d2156 |
parent 27224 | langtools/src/jdk.javadoc/share/classes/com/sun/tools/javadoc/TypeVariableImpl.java@228abfa87080 |
child 38617 | d93a7f64e231 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2003, 2013, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. Oracle designates this |
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* particular file as subject to the "Classpath" exception as provided |
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* by Oracle in the LICENSE file that accompanied this code. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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*/ |
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package com.sun.tools.javadoc.main; |
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import com.sun.javadoc.*; |
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import com.sun.tools.javac.code.Attribute; |
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import com.sun.tools.javac.code.Attribute.TypeCompound; |
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import com.sun.tools.javac.code.Kinds; |
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import com.sun.tools.javac.code.Kinds.KindSelector; |
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import com.sun.tools.javac.code.Symbol; |
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import com.sun.tools.javac.code.Symbol.ClassSymbol; |
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import com.sun.tools.javac.code.Symbol.MethodSymbol; |
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import com.sun.tools.javac.code.Type; |
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import com.sun.tools.javac.code.Type.TypeVar; |
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import com.sun.tools.javac.util.List; |
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import com.sun.tools.javac.util.Name; |
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import com.sun.tools.javac.util.Names; |
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/** |
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* Implementation of <code>TypeVariable</code>, which |
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* represents a type variable. |
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* |
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* <p><b>This is NOT part of any supported API. |
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* If you write code that depends on this, you do so at your own risk. |
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* This code and its internal interfaces are subject to change or |
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* deletion without notice.</b> |
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* |
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* @author Scott Seligman |
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* @since 1.5 |
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*/ |
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public class TypeVariableImpl extends AbstractTypeImpl implements TypeVariable { |
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TypeVariableImpl(DocEnv env, TypeVar type) { |
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super(env, type); |
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} |
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/** |
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* Return the bounds of this type variable. |
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*/ |
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public com.sun.javadoc.Type[] bounds() { |
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return TypeMaker.getTypes(env, getBounds((TypeVar)type, env)); |
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} |
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/** |
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* Return the class, interface, method, or constructor within |
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* which this type variable is declared. |
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*/ |
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public ProgramElementDoc owner() { |
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Symbol osym = type.tsym.owner; |
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if (osym.kind.matches(KindSelector.TYP)) { |
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return env.getClassDoc((ClassSymbol)osym); |
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} |
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Names names = osym.name.table.names; |
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if (osym.name == names.init) { |
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return env.getConstructorDoc((MethodSymbol)osym); |
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} else { |
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return env.getMethodDoc((MethodSymbol)osym); |
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} |
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} |
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/** |
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* Return the ClassDoc of the erasure of this type variable. |
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*/ |
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@Override |
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public ClassDoc asClassDoc() { |
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return env.getClassDoc((ClassSymbol)env.types.erasure(type).tsym); |
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} |
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@Override |
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public TypeVariable asTypeVariable() { |
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return this; |
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} |
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@Override |
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public String toString() { |
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return typeVarToString(env, (TypeVar)type, true); |
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} |
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/** |
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* Return the string form of a type variable along with any |
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* "extends" clause. Class names are qualified if "full" is true. |
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*/ |
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static String typeVarToString(DocEnv env, TypeVar v, boolean full) { |
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StringBuilder s = new StringBuilder(v.toString()); |
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List<Type> bounds = getBounds(v, env); |
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if (bounds.nonEmpty()) { |
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boolean first = true; |
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for (Type b : bounds) { |
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s.append(first ? " extends " : " & "); |
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s.append(TypeMaker.getTypeString(env, b, full)); |
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first = false; |
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} |
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} |
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return s.toString(); |
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} |
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/** |
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* Get the bounds of a type variable as listed in the "extends" clause. |
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*/ |
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private static List<Type> getBounds(TypeVar v, DocEnv env) { |
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final Type upperBound = v.getUpperBound(); |
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Name boundname = upperBound.tsym.getQualifiedName(); |
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if (boundname == boundname.table.names.java_lang_Object |
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&& !upperBound.isAnnotated()) { |
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return List.nil(); |
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} else { |
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return env.types.getBounds(v); |
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} |
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} |
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/** |
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* Get the annotations of this program element. |
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* Return an empty array if there are none. |
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*/ |
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public AnnotationDesc[] annotations() { |
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if (!type.isAnnotated()) { |
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return new AnnotationDesc[0]; |
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} |
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List<? extends TypeCompound> tas = type.getAnnotationMirrors(); |
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AnnotationDesc res[] = new AnnotationDesc[tas.length()]; |
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int i = 0; |
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for (Attribute.Compound a : tas) { |
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res[i++] = new AnnotationDescImpl(env, a); |
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} |
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return res; |
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} |
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} |