Wed, 21 Sep 2011 21:56:53 -0700
7092965: javac should not close processorClassLoader before end of compilation
Reviewed-by: darcy
duke@1 | 1 | /* |
jjg@815 | 2 | * Copyright (c) 2003, 2011, Oracle and/or its affiliates. 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 |
ohair@554 | 7 | * published by the Free Software Foundation. Oracle designates this |
duke@1 | 8 | * particular file as subject to the "Classpath" exception as provided |
ohair@554 | 9 | * by Oracle 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 | * |
ohair@554 | 21 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
ohair@554 | 22 | * or visit www.oracle.com if you need additional information or have any |
ohair@554 | 23 | * questions. |
duke@1 | 24 | */ |
duke@1 | 25 | |
duke@1 | 26 | package com.sun.tools.javac.code; |
duke@1 | 27 | |
duke@1 | 28 | import java.util.LinkedHashMap; |
duke@1 | 29 | import java.util.Map; |
duke@1 | 30 | import javax.lang.model.element.AnnotationMirror; |
duke@1 | 31 | import javax.lang.model.element.AnnotationValue; |
duke@1 | 32 | import javax.lang.model.element.AnnotationValueVisitor; |
duke@1 | 33 | import javax.lang.model.type.DeclaredType; |
duke@1 | 34 | import com.sun.tools.javac.code.Symbol.*; |
duke@1 | 35 | import com.sun.tools.javac.util.*; |
duke@1 | 36 | |
duke@1 | 37 | import static com.sun.tools.javac.code.TypeTags.*; |
duke@1 | 38 | |
duke@1 | 39 | /** An annotation value. |
duke@1 | 40 | * |
jjg@581 | 41 | * <p><b>This is NOT part of any supported API. |
jjg@581 | 42 | * If you write code that depends on this, you do so at your own risk. |
duke@1 | 43 | * This code and its internal interfaces are subject to change or |
duke@1 | 44 | * deletion without notice.</b> |
duke@1 | 45 | */ |
duke@1 | 46 | public abstract class Attribute implements AnnotationValue { |
duke@1 | 47 | |
duke@1 | 48 | /** The type of the annotation element. */ |
duke@1 | 49 | public Type type; |
duke@1 | 50 | |
duke@1 | 51 | public Attribute(Type type) { |
duke@1 | 52 | this.type = type; |
duke@1 | 53 | } |
duke@1 | 54 | |
duke@1 | 55 | public abstract void accept(Visitor v); |
duke@1 | 56 | |
duke@1 | 57 | public Object getValue() { |
duke@1 | 58 | throw new UnsupportedOperationException(); |
duke@1 | 59 | } |
duke@1 | 60 | |
duke@1 | 61 | public <R, P> R accept(AnnotationValueVisitor<R, P> v, P p) { |
duke@1 | 62 | throw new UnsupportedOperationException(); |
duke@1 | 63 | } |
duke@1 | 64 | |
duke@1 | 65 | |
duke@1 | 66 | /** The value for an annotation element of primitive type or String. */ |
duke@1 | 67 | public static class Constant extends Attribute { |
duke@1 | 68 | public final Object value; |
duke@1 | 69 | public void accept(Visitor v) { v.visitConstant(this); } |
duke@1 | 70 | public Constant(Type type, Object value) { |
duke@1 | 71 | super(type); |
duke@1 | 72 | this.value = value; |
duke@1 | 73 | } |
duke@1 | 74 | public String toString() { |
duke@1 | 75 | return Constants.format(value, type); |
duke@1 | 76 | } |
duke@1 | 77 | public Object getValue() { |
duke@1 | 78 | return Constants.decode(value, type); |
duke@1 | 79 | } |
duke@1 | 80 | public <R, P> R accept(AnnotationValueVisitor<R, P> v, P p) { |
duke@1 | 81 | if (value instanceof String) |
duke@1 | 82 | return v.visitString((String) value, p); |
duke@1 | 83 | if (value instanceof Integer) { |
duke@1 | 84 | int i = (Integer) value; |
duke@1 | 85 | switch (type.tag) { |
duke@1 | 86 | case BOOLEAN: return v.visitBoolean(i != 0, p); |
duke@1 | 87 | case CHAR: return v.visitChar((char) i, p); |
duke@1 | 88 | case BYTE: return v.visitByte((byte) i, p); |
duke@1 | 89 | case SHORT: return v.visitShort((short) i, p); |
duke@1 | 90 | case INT: return v.visitInt(i, p); |
duke@1 | 91 | } |
duke@1 | 92 | } |
duke@1 | 93 | switch (type.tag) { |
duke@1 | 94 | case LONG: return v.visitLong((Long) value, p); |
duke@1 | 95 | case FLOAT: return v.visitFloat((Float) value, p); |
duke@1 | 96 | case DOUBLE: return v.visitDouble((Double) value, p); |
duke@1 | 97 | } |
duke@1 | 98 | throw new AssertionError("Bad annotation element value: " + value); |
duke@1 | 99 | } |
duke@1 | 100 | } |
duke@1 | 101 | |
duke@1 | 102 | /** The value for an annotation element of type java.lang.Class, |
duke@1 | 103 | * represented as a ClassSymbol. |
duke@1 | 104 | */ |
duke@1 | 105 | public static class Class extends Attribute { |
duke@1 | 106 | public final Type type; |
duke@1 | 107 | public void accept(Visitor v) { v.visitClass(this); } |
duke@1 | 108 | public Class(Types types, Type type) { |
duke@1 | 109 | super(makeClassType(types, type)); |
duke@1 | 110 | this.type = type; |
duke@1 | 111 | } |
duke@1 | 112 | static Type makeClassType(Types types, Type type) { |
duke@1 | 113 | Type arg = type.isPrimitive() |
duke@1 | 114 | ? types.boxedClass(type).type |
duke@1 | 115 | : types.erasure(type); |
duke@1 | 116 | return new Type.ClassType(types.syms.classType.getEnclosingType(), |
duke@1 | 117 | List.of(arg), |
duke@1 | 118 | types.syms.classType.tsym); |
duke@1 | 119 | } |
duke@1 | 120 | public String toString() { |
duke@1 | 121 | return type + ".class"; |
duke@1 | 122 | } |
duke@1 | 123 | public Type getValue() { |
duke@1 | 124 | return type; |
duke@1 | 125 | } |
duke@1 | 126 | public <R, P> R accept(AnnotationValueVisitor<R, P> v, P p) { |
duke@1 | 127 | return v.visitType(type, p); |
duke@1 | 128 | } |
duke@1 | 129 | } |
duke@1 | 130 | |
duke@1 | 131 | /** A compound annotation element value, the type of which is an |
duke@1 | 132 | * attribute interface. |
duke@1 | 133 | */ |
duke@1 | 134 | public static class Compound extends Attribute implements AnnotationMirror { |
duke@1 | 135 | /** The attributes values, as pairs. Each pair contains a |
duke@1 | 136 | * reference to the accessing method in the attribute interface |
duke@1 | 137 | * and the value to be returned when that method is called to |
duke@1 | 138 | * access this attribute. |
duke@1 | 139 | */ |
duke@1 | 140 | public final List<Pair<MethodSymbol,Attribute>> values; |
duke@1 | 141 | public Compound(Type type, |
duke@1 | 142 | List<Pair<MethodSymbol,Attribute>> values) { |
duke@1 | 143 | super(type); |
duke@1 | 144 | this.values = values; |
duke@1 | 145 | } |
duke@1 | 146 | public void accept(Visitor v) { v.visitCompound(this); } |
duke@1 | 147 | |
duke@1 | 148 | /** |
duke@1 | 149 | * Returns a string representation of this annotation. |
duke@1 | 150 | * String is of one of the forms: |
duke@1 | 151 | * @com.example.foo(name1=val1, name2=val2) |
duke@1 | 152 | * @com.example.foo(val) |
duke@1 | 153 | * @com.example.foo |
duke@1 | 154 | * Omit parens for marker annotations, and omit "value=" when allowed. |
duke@1 | 155 | */ |
duke@1 | 156 | public String toString() { |
duke@1 | 157 | StringBuilder buf = new StringBuilder(); |
duke@1 | 158 | buf.append("@"); |
duke@1 | 159 | buf.append(type); |
duke@1 | 160 | int len = values.length(); |
duke@1 | 161 | if (len > 0) { |
duke@1 | 162 | buf.append('('); |
duke@1 | 163 | boolean first = true; |
duke@1 | 164 | for (Pair<MethodSymbol, Attribute> value : values) { |
duke@1 | 165 | if (!first) buf.append(", "); |
duke@1 | 166 | first = false; |
duke@1 | 167 | |
duke@1 | 168 | Name name = value.fst.name; |
jjg@113 | 169 | if (len > 1 || name != name.table.names.value) { |
duke@1 | 170 | buf.append(name); |
duke@1 | 171 | buf.append('='); |
duke@1 | 172 | } |
duke@1 | 173 | buf.append(value.snd); |
duke@1 | 174 | } |
duke@1 | 175 | buf.append(')'); |
duke@1 | 176 | } |
duke@1 | 177 | return buf.toString(); |
duke@1 | 178 | } |
duke@1 | 179 | |
duke@1 | 180 | public Attribute member(Name member) { |
duke@1 | 181 | for (Pair<MethodSymbol,Attribute> pair : values) |
duke@1 | 182 | if (pair.fst.name == member) return pair.snd; |
duke@1 | 183 | return null; |
duke@1 | 184 | } |
duke@1 | 185 | |
duke@1 | 186 | public Attribute.Compound getValue() { |
duke@1 | 187 | return this; |
duke@1 | 188 | } |
duke@1 | 189 | |
duke@1 | 190 | public <R, P> R accept(AnnotationValueVisitor<R, P> v, P p) { |
duke@1 | 191 | return v.visitAnnotation(this, p); |
duke@1 | 192 | } |
duke@1 | 193 | |
duke@1 | 194 | public DeclaredType getAnnotationType() { |
duke@1 | 195 | return (DeclaredType) type; |
duke@1 | 196 | } |
duke@1 | 197 | |
duke@1 | 198 | public Map<MethodSymbol, Attribute> getElementValues() { |
duke@1 | 199 | Map<MethodSymbol, Attribute> valmap = |
duke@1 | 200 | new LinkedHashMap<MethodSymbol, Attribute>(); |
duke@1 | 201 | for (Pair<MethodSymbol, Attribute> value : values) |
duke@1 | 202 | valmap.put(value.fst, value.snd); |
duke@1 | 203 | return valmap; |
duke@1 | 204 | } |
duke@1 | 205 | } |
duke@1 | 206 | |
duke@1 | 207 | /** The value for an annotation element of an array type. |
duke@1 | 208 | */ |
duke@1 | 209 | public static class Array extends Attribute { |
duke@1 | 210 | public final Attribute[] values; |
duke@1 | 211 | public Array(Type type, Attribute[] values) { |
duke@1 | 212 | super(type); |
duke@1 | 213 | this.values = values; |
duke@1 | 214 | } |
duke@1 | 215 | public void accept(Visitor v) { v.visitArray(this); } |
duke@1 | 216 | public String toString() { |
duke@1 | 217 | StringBuilder buf = new StringBuilder(); |
duke@1 | 218 | buf.append('{'); |
duke@1 | 219 | boolean first = true; |
duke@1 | 220 | for (Attribute value : values) { |
duke@1 | 221 | if (!first) |
duke@1 | 222 | buf.append(", "); |
duke@1 | 223 | first = false; |
duke@1 | 224 | buf.append(value); |
duke@1 | 225 | } |
duke@1 | 226 | buf.append('}'); |
duke@1 | 227 | return buf.toString(); |
duke@1 | 228 | } |
duke@1 | 229 | public List<Attribute> getValue() { |
duke@1 | 230 | return List.from(values); |
duke@1 | 231 | } |
duke@1 | 232 | public <R, P> R accept(AnnotationValueVisitor<R, P> v, P p) { |
duke@1 | 233 | return v.visitArray(getValue(), p); |
duke@1 | 234 | } |
duke@1 | 235 | } |
duke@1 | 236 | |
duke@1 | 237 | /** The value for an annotation element of an enum type. |
duke@1 | 238 | */ |
duke@1 | 239 | public static class Enum extends Attribute { |
duke@1 | 240 | public VarSymbol value; |
duke@1 | 241 | public Enum(Type type, VarSymbol value) { |
duke@1 | 242 | super(type); |
jjg@816 | 243 | this.value = Assert.checkNonNull(value); |
duke@1 | 244 | } |
duke@1 | 245 | public void accept(Visitor v) { v.visitEnum(this); } |
duke@1 | 246 | public String toString() { |
duke@1 | 247 | return value.enclClass() + "." + value; // qualified name |
duke@1 | 248 | } |
duke@1 | 249 | public VarSymbol getValue() { |
duke@1 | 250 | return value; |
duke@1 | 251 | } |
duke@1 | 252 | public <R, P> R accept(AnnotationValueVisitor<R, P> v, P p) { |
duke@1 | 253 | return v.visitEnumConstant(value, p); |
duke@1 | 254 | } |
duke@1 | 255 | } |
duke@1 | 256 | |
duke@1 | 257 | public static class Error extends Attribute { |
duke@1 | 258 | public Error(Type type) { |
duke@1 | 259 | super(type); |
duke@1 | 260 | } |
duke@1 | 261 | public void accept(Visitor v) { v.visitError(this); } |
duke@1 | 262 | public String toString() { |
duke@1 | 263 | return "<error>"; |
duke@1 | 264 | } |
duke@1 | 265 | public String getValue() { |
duke@1 | 266 | return toString(); |
duke@1 | 267 | } |
duke@1 | 268 | public <R, P> R accept(AnnotationValueVisitor<R, P> v, P p) { |
duke@1 | 269 | return v.visitString(toString(), p); |
duke@1 | 270 | } |
duke@1 | 271 | } |
duke@1 | 272 | |
duke@1 | 273 | /** A visitor type for dynamic dispatch on the kind of attribute value. */ |
duke@1 | 274 | public static interface Visitor { |
duke@1 | 275 | void visitConstant(Attribute.Constant value); |
duke@1 | 276 | void visitClass(Attribute.Class clazz); |
duke@1 | 277 | void visitCompound(Attribute.Compound compound); |
duke@1 | 278 | void visitArray(Attribute.Array array); |
duke@1 | 279 | void visitEnum(Attribute.Enum e); |
duke@1 | 280 | void visitError(Attribute.Error e); |
duke@1 | 281 | } |
jjg@657 | 282 | |
jjg@657 | 283 | /** A mirror of java.lang.annotation.RetentionPolicy. */ |
jjg@657 | 284 | public static enum RetentionPolicy { |
jjg@657 | 285 | SOURCE, |
jjg@657 | 286 | CLASS, |
jjg@657 | 287 | RUNTIME |
jjg@657 | 288 | } |
duke@1 | 289 | } |