src/share/classes/com/sun/tools/javac/code/Kinds.java

Wed, 19 Mar 2014 16:44:49 +0000

author
vromero
date
Wed, 19 Mar 2014 16:44:49 +0000
changeset 2301
27a3026256cd
parent 2193
d4cbb671de1c
child 2525
2eb010b6cb22
permissions
-rw-r--r--

8034924: Incorrect inheritance of inaccessible static method
Reviewed-by: jjg, jlahoda

duke@1 1 /*
vromero@1850 2 * Copyright (c) 1999, 2013, 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
mcimadamore@80 28 import java.util.EnumSet;
mcimadamore@136 29 import java.util.Locale;
mcimadamore@80 30
mcimadamore@1352 31 import com.sun.source.tree.MemberReferenceTree;
mcimadamore@80 32 import com.sun.tools.javac.api.Formattable;
mcimadamore@136 33 import com.sun.tools.javac.api.Messages;
jjg@1357 34 import static com.sun.tools.javac.code.Flags.*;
jjg@1374 35 import static com.sun.tools.javac.code.TypeTag.CLASS;
jjg@1374 36 import static com.sun.tools.javac.code.TypeTag.PACKAGE;
jjg@1374 37 import static com.sun.tools.javac.code.TypeTag.TYPEVAR;
duke@1 38
duke@1 39 /** Internal symbol kinds, which distinguish between elements of
duke@1 40 * different subclasses of Symbol. Symbol kinds are organized so they can be
duke@1 41 * or'ed to sets.
duke@1 42 *
jjg@581 43 * <p><b>This is NOT part of any supported API.
jjg@581 44 * If you write code that depends on this, you do so at your own risk.
duke@1 45 * This code and its internal interfaces are subject to change or
duke@1 46 * deletion without notice.</b>
duke@1 47 */
duke@1 48 public class Kinds {
duke@1 49
duke@1 50 private Kinds() {} // uninstantiable
duke@1 51
duke@1 52 /** The empty set of kinds.
duke@1 53 */
duke@1 54 public final static int NIL = 0;
duke@1 55
duke@1 56 /** The kind of package symbols.
duke@1 57 */
duke@1 58 public final static int PCK = 1 << 0;
duke@1 59
duke@1 60 /** The kind of type symbols (classes, interfaces and type variables).
duke@1 61 */
duke@1 62 public final static int TYP = 1 << 1;
duke@1 63
duke@1 64 /** The kind of variable symbols.
duke@1 65 */
duke@1 66 public final static int VAR = 1 << 2;
duke@1 67
duke@1 68 /** The kind of values (variables or non-variable expressions), includes VAR.
duke@1 69 */
duke@1 70 public final static int VAL = (1 << 3) | VAR;
duke@1 71
duke@1 72 /** The kind of methods.
duke@1 73 */
duke@1 74 public final static int MTH = 1 << 4;
duke@1 75
vromero@1850 76 /** Poly kind, for deferred types.
vromero@1850 77 */
vromero@1850 78 public final static int POLY = 1 << 5;
vromero@1850 79
duke@1 80 /** The error kind, which includes all other kinds.
duke@1 81 */
vromero@1850 82 public final static int ERR = (1 << 6) - 1;
duke@1 83
duke@1 84 /** The set of all kinds.
duke@1 85 */
duke@1 86 public final static int AllKinds = ERR;
duke@1 87
duke@1 88 /** Kinds for erroneous symbols that complement the above
duke@1 89 */
vromero@2193 90 public static final int ERRONEOUS = 1 << 7;
vromero@2193 91 public static final int AMBIGUOUS = ERRONEOUS + 1; // ambiguous reference
vromero@2193 92 public static final int HIDDEN = ERRONEOUS + 2; // hidden method or field
vromero@2193 93 public static final int STATICERR = ERRONEOUS + 3; // nonstatic member from static context
vromero@2193 94 public static final int MISSING_ENCL = ERRONEOUS + 4; // missing enclosing class
vromero@2193 95 public static final int ABSENT_VAR = ERRONEOUS + 5; // missing variable
vromero@2193 96 public static final int WRONG_MTHS = ERRONEOUS + 6; // methods with wrong arguments
vromero@2193 97 public static final int WRONG_MTH = ERRONEOUS + 7; // one method with wrong arguments
vromero@2193 98 public static final int ABSENT_MTH = ERRONEOUS + 8; // missing method
vromero@2193 99 public static final int ABSENT_TYP = ERRONEOUS + 9; // missing type
vromero@2193 100 public static final int WRONG_STATICNESS = ERRONEOUS + 10; // wrong staticness for method references
mcimadamore@80 101
mcimadamore@80 102 public enum KindName implements Formattable {
jjg@597 103 ANNOTATION("kindname.annotation"),
mcimadamore@80 104 CONSTRUCTOR("kindname.constructor"),
mcimadamore@80 105 INTERFACE("kindname.interface"),
mcimadamore@302 106 ENUM("kindname.enum"),
mcimadamore@80 107 STATIC("kindname.static"),
mcimadamore@80 108 TYPEVAR("kindname.type.variable"),
mcimadamore@80 109 BOUND("kindname.type.variable.bound"),
mcimadamore@80 110 VAR("kindname.variable"),
mcimadamore@80 111 VAL("kindname.value"),
mcimadamore@80 112 METHOD("kindname.method"),
mcimadamore@80 113 CLASS("kindname.class"),
mcimadamore@1085 114 STATIC_INIT("kindname.static.init"),
mcimadamore@1085 115 INSTANCE_INIT("kindname.instance.init"),
mcimadamore@80 116 PACKAGE("kindname.package");
mcimadamore@80 117
vromero@1442 118 private final String name;
mcimadamore@80 119
mcimadamore@80 120 KindName(String name) {
mcimadamore@80 121 this.name = name;
mcimadamore@80 122 }
mcimadamore@80 123
mcimadamore@80 124 public String toString() {
mcimadamore@80 125 return name;
mcimadamore@80 126 }
mcimadamore@80 127
mcimadamore@80 128 public String getKind() {
mcimadamore@80 129 return "Kindname";
mcimadamore@80 130 }
mcimadamore@80 131
mcimadamore@136 132 public String toString(Locale locale, Messages messages) {
mcimadamore@80 133 String s = toString();
mcimadamore@136 134 return messages.getLocalizedString(locale, "compiler.misc." + s);
mcimadamore@80 135 }
mcimadamore@80 136 }
mcimadamore@80 137
mcimadamore@80 138 /** A KindName representing a given symbol kind
mcimadamore@80 139 */
mcimadamore@80 140 public static KindName kindName(int kind) {
mcimadamore@80 141 switch (kind) {
mcimadamore@80 142 case PCK: return KindName.PACKAGE;
mcimadamore@80 143 case TYP: return KindName.CLASS;
mcimadamore@80 144 case VAR: return KindName.VAR;
mcimadamore@80 145 case VAL: return KindName.VAL;
mcimadamore@80 146 case MTH: return KindName.METHOD;
mcimadamore@80 147 default : throw new AssertionError("Unexpected kind: "+kind);
mcimadamore@80 148 }
mcimadamore@80 149 }
mcimadamore@80 150
mcimadamore@1352 151 public static KindName kindName(MemberReferenceTree.ReferenceMode mode) {
mcimadamore@1352 152 switch (mode) {
mcimadamore@1352 153 case INVOKE: return KindName.METHOD;
mcimadamore@1352 154 case NEW: return KindName.CONSTRUCTOR;
mcimadamore@1352 155 default : throw new AssertionError("Unexpected mode: "+ mode);
mcimadamore@1352 156 }
mcimadamore@1352 157 }
mcimadamore@1352 158
mcimadamore@80 159 /** A KindName representing a given symbol
mcimadamore@80 160 */
mcimadamore@80 161 public static KindName kindName(Symbol sym) {
mcimadamore@80 162 switch (sym.getKind()) {
mcimadamore@80 163 case PACKAGE:
mcimadamore@80 164 return KindName.PACKAGE;
mcimadamore@80 165
mcimadamore@80 166 case ENUM:
mcimadamore@302 167 return KindName.ENUM;
mcimadamore@302 168
mcimadamore@80 169 case ANNOTATION_TYPE:
mcimadamore@80 170 case CLASS:
mcimadamore@80 171 return KindName.CLASS;
mcimadamore@80 172
mcimadamore@302 173 case INTERFACE:
mcimadamore@302 174 return KindName.INTERFACE;
mcimadamore@302 175
mcimadamore@80 176 case TYPE_PARAMETER:
mcimadamore@80 177 return KindName.TYPEVAR;
mcimadamore@80 178
mcimadamore@80 179 case ENUM_CONSTANT:
mcimadamore@80 180 case FIELD:
mcimadamore@80 181 case PARAMETER:
mcimadamore@80 182 case LOCAL_VARIABLE:
mcimadamore@80 183 case EXCEPTION_PARAMETER:
jjg@899 184 case RESOURCE_VARIABLE:
mcimadamore@80 185 return KindName.VAR;
mcimadamore@80 186
mcimadamore@302 187 case CONSTRUCTOR:
mcimadamore@302 188 return KindName.CONSTRUCTOR;
mcimadamore@302 189
mcimadamore@80 190 case METHOD:
mcimadamore@1085 191 return KindName.METHOD;
mcimadamore@80 192 case STATIC_INIT:
mcimadamore@1085 193 return KindName.STATIC_INIT;
mcimadamore@80 194 case INSTANCE_INIT:
mcimadamore@1085 195 return KindName.INSTANCE_INIT;
mcimadamore@80 196
mcimadamore@80 197 default:
mcimadamore@80 198 if (sym.kind == VAL)
mcimadamore@80 199 // I don't think this can happen but it can't harm
mcimadamore@80 200 // playing it safe --ahe
mcimadamore@80 201 return KindName.VAL;
mcimadamore@80 202 else
mcimadamore@80 203 throw new AssertionError("Unexpected kind: "+sym.getKind());
mcimadamore@80 204 }
mcimadamore@80 205 }
mcimadamore@80 206
mcimadamore@80 207 /** A set of KindName(s) representing a set of symbol's kinds.
mcimadamore@80 208 */
mcimadamore@80 209 public static EnumSet<KindName> kindNames(int kind) {
mcimadamore@80 210 EnumSet<KindName> kinds = EnumSet.noneOf(KindName.class);
mcimadamore@80 211 if ((kind & VAL) != 0)
mcimadamore@80 212 kinds.add(((kind & VAL) == VAR) ? KindName.VAR : KindName.VAL);
mcimadamore@80 213 if ((kind & MTH) != 0) kinds.add(KindName.METHOD);
mcimadamore@80 214 if ((kind & TYP) != 0) kinds.add(KindName.CLASS);
mcimadamore@80 215 if ((kind & PCK) != 0) kinds.add(KindName.PACKAGE);
mcimadamore@80 216 return kinds;
mcimadamore@80 217 }
mcimadamore@80 218
mcimadamore@80 219 /** A KindName representing the kind of a given class/interface type.
mcimadamore@80 220 */
mcimadamore@80 221 public static KindName typeKindName(Type t) {
vromero@1853 222 if (t.hasTag(TYPEVAR) ||
vromero@1853 223 t.hasTag(CLASS) && (t.tsym.flags() & COMPOUND) != 0)
mcimadamore@80 224 return KindName.BOUND;
vromero@1853 225 else if (t.hasTag(PACKAGE))
mcimadamore@80 226 return KindName.PACKAGE;
mcimadamore@80 227 else if ((t.tsym.flags_field & ANNOTATION) != 0)
mcimadamore@80 228 return KindName.ANNOTATION;
mcimadamore@80 229 else if ((t.tsym.flags_field & INTERFACE) != 0)
mcimadamore@80 230 return KindName.INTERFACE;
mcimadamore@80 231 else
mcimadamore@80 232 return KindName.CLASS;
mcimadamore@80 233 }
mcimadamore@80 234
vromero@2193 235 /** A KindName representing the kind of a missing symbol, given an
mcimadamore@80 236 * error kind.
mcimadamore@80 237 * */
mcimadamore@80 238 public static KindName absentKind(int kind) {
mcimadamore@80 239 switch (kind) {
mcimadamore@80 240 case ABSENT_VAR:
mcimadamore@80 241 return KindName.VAR;
vromero@2193 242 case WRONG_MTHS: case WRONG_MTH: case ABSENT_MTH: case WRONG_STATICNESS:
mcimadamore@80 243 return KindName.METHOD;
mcimadamore@80 244 case ABSENT_TYP:
mcimadamore@80 245 return KindName.CLASS;
mcimadamore@80 246 default:
mcimadamore@80 247 throw new AssertionError("Unexpected kind: "+kind);
mcimadamore@80 248 }
mcimadamore@80 249 }
duke@1 250 }

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