| /* |
| * Copyright (c) 2001, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| * |
| */ |
| |
| package sun.jvm.hotspot.debugger.cdbg.basic; |
| |
| import java.util.*; |
| import sun.jvm.hotspot.debugger.*; |
| import sun.jvm.hotspot.debugger.cdbg.*; |
| import sun.jvm.hotspot.utilities.Assert; |
| |
| public class BasicEnumType extends BasicIntType implements EnumType { |
| // Integer type or lazy type |
| private Type underlyingType; |
| |
| private static class Enum { |
| String name; |
| long value; |
| Enum(String name, long value) { |
| this.name = name; |
| this.value = value; |
| } |
| |
| String getName() { return name; } |
| long getValue() { return value; } |
| } |
| private List/*<Enum>*/ enums; |
| |
| /** Underlying type of enum must be an integer type (or as yet |
| unresolved) */ |
| |
| public BasicEnumType(String name, Type underlyingType) { |
| this(name, underlyingType, 0); |
| } |
| |
| private BasicEnumType(String name, Type underlyingType, int cvAttributes) { |
| super(name, 0, false, cvAttributes); |
| this.underlyingType = underlyingType; |
| } |
| |
| public EnumType asEnum() { return this; } |
| |
| public int getSize() { return underlyingType.getSize(); } |
| public boolean isUnsigned() { |
| if (underlyingType.isInt()) { |
| return ((IntType) underlyingType).isUnsigned(); |
| } |
| return false; |
| } |
| |
| public void addEnum(String name, long val) { |
| if (enums == null) { |
| enums = new ArrayList(); |
| } |
| enums.add(new Enum(name, val)); |
| } |
| |
| public int getNumEnumerates() { return enums.size(); } |
| public String getEnumName(int i) { return ((Enum) enums.get(i)).getName(); } |
| public long getEnumValue(int i) { return ((Enum) enums.get(i)).getValue(); } |
| |
| public String enumNameForValue(long val) { |
| if (enums == null) { |
| return null; |
| } |
| |
| for (Iterator iter = enums.iterator(); iter.hasNext(); ) { |
| Enum e = (Enum) iter.next(); |
| if (e.getValue() == val) { |
| return e.getName(); |
| } |
| } |
| |
| return null; |
| } |
| |
| Type resolveTypes(BasicCDebugInfoDataBase db, ResolveListener listener) { |
| super.resolveTypes(db, listener); |
| underlyingType = db.resolveType(this, underlyingType, listener, "resolving enum type"); |
| if (Assert.ASSERTS_ENABLED) { |
| BasicType b = (BasicType) underlyingType; |
| Assert.that(b.isLazy() || b.isInt(), |
| "Underlying type of enum must be integer type (or unresolved due to error)"); |
| } |
| return this; |
| } |
| |
| public void iterateObject(Address a, ObjectVisitor v, FieldIdentifier f) { |
| long val = a.getCIntegerAt(0, getSize(), isUnsigned()); |
| v.doEnum(f, val, enumNameForValue(val)); |
| } |
| |
| protected Type createCVVariant(int cvAttributes) { |
| BasicEnumType t = new BasicEnumType(getName(), underlyingType, cvAttributes); |
| t.enums = enums; |
| return t; |
| } |
| |
| public void visit(TypeVisitor v) { |
| v.doEnumType(this); |
| } |
| } |