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.lang.annotation.Annotation; |
aoqi@0 | 29 | import java.util.ArrayList; |
aoqi@0 | 30 | import java.util.List; |
aoqi@0 | 31 | import java.util.Collection; |
aoqi@0 | 32 | import java.util.Collections; |
aoqi@0 | 33 | |
aoqi@0 | 34 | |
aoqi@0 | 35 | /** |
aoqi@0 | 36 | * Variables and fields. |
aoqi@0 | 37 | */ |
aoqi@0 | 38 | |
aoqi@0 | 39 | public class JVar extends JExpressionImpl implements JDeclaration, JAssignmentTarget, JAnnotatable { |
aoqi@0 | 40 | |
aoqi@0 | 41 | /** |
aoqi@0 | 42 | * Modifiers. |
aoqi@0 | 43 | */ |
aoqi@0 | 44 | private JMods mods; |
aoqi@0 | 45 | |
aoqi@0 | 46 | /** |
aoqi@0 | 47 | * JType of the variable |
aoqi@0 | 48 | */ |
aoqi@0 | 49 | private JType type; |
aoqi@0 | 50 | |
aoqi@0 | 51 | /** |
aoqi@0 | 52 | * Name of the variable |
aoqi@0 | 53 | */ |
aoqi@0 | 54 | private String name; |
aoqi@0 | 55 | |
aoqi@0 | 56 | /** |
aoqi@0 | 57 | * Initialization of the variable in its declaration |
aoqi@0 | 58 | */ |
aoqi@0 | 59 | private JExpression init; |
aoqi@0 | 60 | |
aoqi@0 | 61 | /** |
aoqi@0 | 62 | * Annotations on this variable. Lazily created. |
aoqi@0 | 63 | */ |
aoqi@0 | 64 | private List<JAnnotationUse> annotations = null; |
aoqi@0 | 65 | |
aoqi@0 | 66 | |
aoqi@0 | 67 | |
aoqi@0 | 68 | /** |
aoqi@0 | 69 | * JVar constructor |
aoqi@0 | 70 | * |
aoqi@0 | 71 | * @param type |
aoqi@0 | 72 | * Datatype of this variable |
aoqi@0 | 73 | * |
aoqi@0 | 74 | * @param name |
aoqi@0 | 75 | * Name of this variable |
aoqi@0 | 76 | * |
aoqi@0 | 77 | * @param init |
aoqi@0 | 78 | * Value to initialize this variable to |
aoqi@0 | 79 | */ |
aoqi@0 | 80 | JVar(JMods mods, JType type, String name, JExpression init) { |
aoqi@0 | 81 | this.mods = mods; |
aoqi@0 | 82 | this.type = type; |
aoqi@0 | 83 | this.name = name; |
aoqi@0 | 84 | this.init = init; |
aoqi@0 | 85 | } |
aoqi@0 | 86 | |
aoqi@0 | 87 | |
aoqi@0 | 88 | /** |
aoqi@0 | 89 | * Initialize this variable |
aoqi@0 | 90 | * |
aoqi@0 | 91 | * @param init |
aoqi@0 | 92 | * JExpression to be used to initialize this field |
aoqi@0 | 93 | */ |
aoqi@0 | 94 | public JVar init(JExpression init) { |
aoqi@0 | 95 | this.init = init; |
aoqi@0 | 96 | return this; |
aoqi@0 | 97 | } |
aoqi@0 | 98 | |
aoqi@0 | 99 | /** |
aoqi@0 | 100 | * Get the name of this variable |
aoqi@0 | 101 | * |
aoqi@0 | 102 | * @return Name of the variable |
aoqi@0 | 103 | */ |
aoqi@0 | 104 | public String name() { |
aoqi@0 | 105 | return name; |
aoqi@0 | 106 | } |
aoqi@0 | 107 | |
aoqi@0 | 108 | /** |
aoqi@0 | 109 | * Changes the name of this variable. |
aoqi@0 | 110 | */ |
aoqi@0 | 111 | public void name(String name) { |
aoqi@0 | 112 | if(!JJavaName.isJavaIdentifier(name)) |
aoqi@0 | 113 | throw new IllegalArgumentException(); |
aoqi@0 | 114 | this.name = name; |
aoqi@0 | 115 | } |
aoqi@0 | 116 | |
aoqi@0 | 117 | /** |
aoqi@0 | 118 | * Return the type of this variable. |
aoqi@0 | 119 | * @return |
aoqi@0 | 120 | * always non-null. |
aoqi@0 | 121 | */ |
aoqi@0 | 122 | public JType type() { |
aoqi@0 | 123 | return type; |
aoqi@0 | 124 | } |
aoqi@0 | 125 | |
aoqi@0 | 126 | /** |
aoqi@0 | 127 | * @return |
aoqi@0 | 128 | * the current modifiers of this method. |
aoqi@0 | 129 | * Always return non-null valid object. |
aoqi@0 | 130 | */ |
aoqi@0 | 131 | public JMods mods() { |
aoqi@0 | 132 | return mods; |
aoqi@0 | 133 | } |
aoqi@0 | 134 | |
aoqi@0 | 135 | /** |
aoqi@0 | 136 | * Sets the type of this variable. |
aoqi@0 | 137 | * |
aoqi@0 | 138 | * @param newType |
aoqi@0 | 139 | * must not be null. |
aoqi@0 | 140 | * |
aoqi@0 | 141 | * @return |
aoqi@0 | 142 | * the old type value. always non-null. |
aoqi@0 | 143 | */ |
aoqi@0 | 144 | public JType type(JType newType) { |
aoqi@0 | 145 | JType r = type; |
aoqi@0 | 146 | if(newType==null) |
aoqi@0 | 147 | throw new IllegalArgumentException(); |
aoqi@0 | 148 | type = newType; |
aoqi@0 | 149 | return r; |
aoqi@0 | 150 | } |
aoqi@0 | 151 | |
aoqi@0 | 152 | |
aoqi@0 | 153 | /** |
aoqi@0 | 154 | * Adds an annotation to this variable. |
aoqi@0 | 155 | * @param clazz |
aoqi@0 | 156 | * The annotation class to annotate the field with |
aoqi@0 | 157 | */ |
aoqi@0 | 158 | public JAnnotationUse annotate(JClass clazz){ |
aoqi@0 | 159 | if(annotations==null) |
aoqi@0 | 160 | annotations = new ArrayList<JAnnotationUse>(); |
aoqi@0 | 161 | JAnnotationUse a = new JAnnotationUse(clazz); |
aoqi@0 | 162 | annotations.add(a); |
aoqi@0 | 163 | return a; |
aoqi@0 | 164 | } |
aoqi@0 | 165 | |
aoqi@0 | 166 | /** |
aoqi@0 | 167 | * Adds an annotation to this variable. |
aoqi@0 | 168 | * |
aoqi@0 | 169 | * @param clazz |
aoqi@0 | 170 | * The annotation class to annotate the field with |
aoqi@0 | 171 | */ |
aoqi@0 | 172 | public JAnnotationUse annotate(Class <? extends Annotation> clazz){ |
aoqi@0 | 173 | return annotate(type.owner().ref(clazz)); |
aoqi@0 | 174 | } |
aoqi@0 | 175 | |
aoqi@0 | 176 | public <W extends JAnnotationWriter> W annotate2(Class<W> clazz) { |
aoqi@0 | 177 | return TypedAnnotationWriter.create(clazz,this); |
aoqi@0 | 178 | } |
aoqi@0 | 179 | |
aoqi@0 | 180 | public Collection<JAnnotationUse> annotations() { |
aoqi@0 | 181 | if (annotations == null) |
aoqi@0 | 182 | annotations = new ArrayList<JAnnotationUse>(); |
aoqi@0 | 183 | return Collections.unmodifiableList(annotations); |
aoqi@0 | 184 | } |
aoqi@0 | 185 | |
aoqi@0 | 186 | protected boolean isAnnotated() { |
aoqi@0 | 187 | return annotations!=null; |
aoqi@0 | 188 | } |
aoqi@0 | 189 | |
aoqi@0 | 190 | public void bind(JFormatter f) { |
aoqi@0 | 191 | if (annotations != null){ |
aoqi@0 | 192 | for( int i=0; i<annotations.size(); i++ ) |
aoqi@0 | 193 | f.g(annotations.get(i)).nl(); |
aoqi@0 | 194 | } |
aoqi@0 | 195 | f.g(mods).g(type).id(name); |
aoqi@0 | 196 | if (init != null) |
aoqi@0 | 197 | f.p('=').g(init); |
aoqi@0 | 198 | } |
aoqi@0 | 199 | |
aoqi@0 | 200 | public void declare(JFormatter f) { |
aoqi@0 | 201 | f.b(this).p(';').nl(); |
aoqi@0 | 202 | } |
aoqi@0 | 203 | |
aoqi@0 | 204 | public void generate(JFormatter f) { |
aoqi@0 | 205 | f.id(name); |
aoqi@0 | 206 | } |
aoqi@0 | 207 | |
aoqi@0 | 208 | |
aoqi@0 | 209 | public JExpression assign(JExpression rhs) { |
aoqi@0 | 210 | return JExpr.assign(this,rhs); |
aoqi@0 | 211 | } |
aoqi@0 | 212 | public JExpression assignPlus(JExpression rhs) { |
aoqi@0 | 213 | return JExpr.assignPlus(this,rhs); |
aoqi@0 | 214 | } |
aoqi@0 | 215 | |
aoqi@0 | 216 | } |