Thu, 12 Oct 2017 19:44:07 +0800
merge
aoqi@0 | 1 | /* |
aoqi@0 | 2 | * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved. |
aoqi@0 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
aoqi@0 | 4 | * |
aoqi@0 | 5 | * This code is free software; you can redistribute it and/or modify it |
aoqi@0 | 6 | * under the terms of the GNU General Public License version 2 only, as |
aoqi@0 | 7 | * published by the Free Software Foundation. Oracle designates this |
aoqi@0 | 8 | * particular file as subject to the "Classpath" exception as provided |
aoqi@0 | 9 | * by Oracle in the LICENSE file that accompanied this code. |
aoqi@0 | 10 | * |
aoqi@0 | 11 | * This code is distributed in the hope that it will be useful, but WITHOUT |
aoqi@0 | 12 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
aoqi@0 | 13 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
aoqi@0 | 14 | * version 2 for more details (a copy is included in the LICENSE file that |
aoqi@0 | 15 | * accompanied this code). |
aoqi@0 | 16 | * |
aoqi@0 | 17 | * You should have received a copy of the GNU General Public License version |
aoqi@0 | 18 | * 2 along with this work; if not, write to the Free Software Foundation, |
aoqi@0 | 19 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
aoqi@0 | 20 | * |
aoqi@0 | 21 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
aoqi@0 | 22 | * or visit www.oracle.com if you need additional information or have any |
aoqi@0 | 23 | * questions. |
aoqi@0 | 24 | */ |
aoqi@0 | 25 | |
aoqi@0 | 26 | package com.sun.codemodel.internal; |
aoqi@0 | 27 | |
aoqi@0 | 28 | import java.util.Iterator; |
aoqi@0 | 29 | import java.util.List; |
aoqi@0 | 30 | |
aoqi@0 | 31 | /** |
aoqi@0 | 32 | * Type variable used to declare generics. |
aoqi@0 | 33 | * |
aoqi@0 | 34 | * @see JGenerifiable |
aoqi@0 | 35 | * @author |
aoqi@0 | 36 | * Kohsuke Kawaguchi (kohsuke.kawaguchi@sun.com) |
aoqi@0 | 37 | */ |
aoqi@0 | 38 | public final class JTypeVar extends JClass implements JDeclaration { |
aoqi@0 | 39 | |
aoqi@0 | 40 | private final String name; |
aoqi@0 | 41 | |
aoqi@0 | 42 | private JClass bound; |
aoqi@0 | 43 | |
aoqi@0 | 44 | JTypeVar(JCodeModel owner, String _name) { |
aoqi@0 | 45 | super(owner); |
aoqi@0 | 46 | this.name = _name; |
aoqi@0 | 47 | } |
aoqi@0 | 48 | |
aoqi@0 | 49 | public String name() { |
aoqi@0 | 50 | return name; |
aoqi@0 | 51 | } |
aoqi@0 | 52 | |
aoqi@0 | 53 | public String fullName() { |
aoqi@0 | 54 | return name; |
aoqi@0 | 55 | } |
aoqi@0 | 56 | |
aoqi@0 | 57 | public JPackage _package() { |
aoqi@0 | 58 | return null; |
aoqi@0 | 59 | } |
aoqi@0 | 60 | |
aoqi@0 | 61 | /** |
aoqi@0 | 62 | * Adds a bound to this variable. |
aoqi@0 | 63 | * |
aoqi@0 | 64 | * @return this |
aoqi@0 | 65 | */ |
aoqi@0 | 66 | public JTypeVar bound( JClass c ) { |
aoqi@0 | 67 | if(bound!=null) |
aoqi@0 | 68 | throw new IllegalArgumentException("type variable has an existing class bound "+bound); |
aoqi@0 | 69 | bound = c; |
aoqi@0 | 70 | return this; |
aoqi@0 | 71 | } |
aoqi@0 | 72 | |
aoqi@0 | 73 | /** |
aoqi@0 | 74 | * Returns the class bound of this variable. |
aoqi@0 | 75 | * |
aoqi@0 | 76 | * <p> |
aoqi@0 | 77 | * If no bound is given, this method returns {@link Object}. |
aoqi@0 | 78 | */ |
aoqi@0 | 79 | public JClass _extends() { |
aoqi@0 | 80 | if(bound!=null) |
aoqi@0 | 81 | return bound; |
aoqi@0 | 82 | else |
aoqi@0 | 83 | return owner().ref(Object.class); |
aoqi@0 | 84 | } |
aoqi@0 | 85 | |
aoqi@0 | 86 | /** |
aoqi@0 | 87 | * Returns the interface bounds of this variable. |
aoqi@0 | 88 | */ |
aoqi@0 | 89 | public Iterator<JClass> _implements() { |
aoqi@0 | 90 | return bound._implements(); |
aoqi@0 | 91 | } |
aoqi@0 | 92 | |
aoqi@0 | 93 | public boolean isInterface() { |
aoqi@0 | 94 | return false; |
aoqi@0 | 95 | } |
aoqi@0 | 96 | |
aoqi@0 | 97 | public boolean isAbstract() { |
aoqi@0 | 98 | return false; |
aoqi@0 | 99 | } |
aoqi@0 | 100 | |
aoqi@0 | 101 | /** |
aoqi@0 | 102 | * Prints out the declaration of the variable. |
aoqi@0 | 103 | */ |
aoqi@0 | 104 | public void declare(JFormatter f) { |
aoqi@0 | 105 | f.id(name); |
aoqi@0 | 106 | if(bound!=null) |
aoqi@0 | 107 | f.p("extends").g(bound); |
aoqi@0 | 108 | } |
aoqi@0 | 109 | |
aoqi@0 | 110 | |
aoqi@0 | 111 | protected JClass substituteParams(JTypeVar[] variables, List<JClass> bindings) { |
aoqi@0 | 112 | for(int i=0;i<variables.length;i++) |
aoqi@0 | 113 | if(variables[i]==this) |
aoqi@0 | 114 | return bindings.get(i); |
aoqi@0 | 115 | return this; |
aoqi@0 | 116 | } |
aoqi@0 | 117 | |
aoqi@0 | 118 | public void generate(JFormatter f) { |
aoqi@0 | 119 | f.id(name); |
aoqi@0 | 120 | } |
aoqi@0 | 121 | } |