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/*
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* Copyright 2002-2003 Sun Microsystems, Inc. All Rights Reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
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* CA 95054 USA or visit www.sun.com if you need additional information or
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* have any questions.
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*
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*/
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package sun.jvm.hotspot.jdi;
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import com.sun.jdi.*;
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import sun.jvm.hotspot.oops.Oop;
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import sun.jvm.hotspot.oops.Instance;
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import sun.jvm.hotspot.oops.Array;
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import sun.jvm.hotspot.oops.InstanceKlass;
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import sun.jvm.hotspot.oops.Symbol;
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import sun.jvm.hotspot.oops.FieldIdentifier;
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import java.util.List;
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import java.util.Iterator;
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import java.util.ArrayList;
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import java.util.Comparator;
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public class FieldImpl extends TypeComponentImpl implements Field {
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private JNITypeParser signatureParser;
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private sun.jvm.hotspot.oops.Field saField;
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FieldImpl( VirtualMachine vm, ReferenceTypeImpl declaringType,
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sun.jvm.hotspot.oops.Field saField) {
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super(vm, declaringType);
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this.saField = saField;
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getParser();
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}
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private void getParser() {
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if (signatureParser == null) {
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Symbol sig1 = saField.getSignature();
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signature = sig1.asString();
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signatureParser = new JNITypeParser(signature);
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}
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}
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sun.jvm.hotspot.oops.Field ref() {
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return saField;
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}
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// get the value of static field
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ValueImpl getValue() {
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return getValue(saField.getFieldHolder());
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}
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// get the value of this Field from a specific Oop
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ValueImpl getValue(Oop target) {
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ValueImpl valueImpl;
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sun.jvm.hotspot.oops.Field saField = (sun.jvm.hotspot.oops.Field) ref();
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sun.jvm.hotspot.oops.FieldType ft = saField.getFieldType();
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if (ft.isArray()) {
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sun.jvm.hotspot.oops.OopField of = (sun.jvm.hotspot.oops.OopField)saField;
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valueImpl = (ArrayReferenceImpl) vm.arrayMirror((Array)of.getValue(target));
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} else if (ft.isObject()) {
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sun.jvm.hotspot.oops.OopField of = (sun.jvm.hotspot.oops.OopField)saField;
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valueImpl = (ObjectReferenceImpl) vm.objectMirror(of.getValue(target));
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} else if (ft.isByte()) {
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sun.jvm.hotspot.oops.ByteField bf = (sun.jvm.hotspot.oops.ByteField)saField;
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valueImpl = (ByteValueImpl) vm.mirrorOf(bf.getValue(target));
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} else if (ft.isChar()) {
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sun.jvm.hotspot.oops.CharField cf = (sun.jvm.hotspot.oops.CharField)saField;
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valueImpl = (CharValueImpl) vm.mirrorOf(cf.getValue(target));
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} else if (ft.isDouble()) {
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sun.jvm.hotspot.oops.DoubleField df = (sun.jvm.hotspot.oops.DoubleField)saField;
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valueImpl = (DoubleValueImpl) vm.mirrorOf(df.getValue(target));
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} else if (ft.isFloat()) {
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sun.jvm.hotspot.oops.FloatField ff = (sun.jvm.hotspot.oops.FloatField)saField;
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valueImpl = (FloatValueImpl) vm.mirrorOf(ff.getValue(target));
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} else if (ft.isInt()) {
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sun.jvm.hotspot.oops.IntField iif = (sun.jvm.hotspot.oops.IntField)saField;
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valueImpl = (IntegerValueImpl) vm.mirrorOf(iif.getValue(target));
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} else if (ft.isLong()) {
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sun.jvm.hotspot.oops.LongField lf = (sun.jvm.hotspot.oops.LongField)saField;
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valueImpl = (LongValueImpl) vm.mirrorOf(lf.getValue(target));
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} else if (ft.isShort()) {
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sun.jvm.hotspot.oops.ShortField sf = (sun.jvm.hotspot.oops.ShortField)saField;
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valueImpl = (ShortValueImpl) vm.mirrorOf(sf.getValue(target));
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} else if (ft.isBoolean()) {
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sun.jvm.hotspot.oops.BooleanField bf = (sun.jvm.hotspot.oops.BooleanField)saField;
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valueImpl = (BooleanValueImpl) vm.mirrorOf(bf.getValue(target));
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} else {
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throw new RuntimeException("Should not reach here");
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}
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return valueImpl;
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}
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public boolean equals(Object obj) {
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if ((obj != null) && (obj instanceof FieldImpl)) {
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FieldImpl other = (FieldImpl)obj;
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return (declaringType().equals(other.declaringType())) &&
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(ref().equals(other.ref())) &&
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super.equals(obj);
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} else {
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return false;
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}
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}
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public boolean isTransient() {
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return saField.isTransient();
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}
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public boolean isVolatile() {
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return saField.isVolatile();
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}
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public boolean isEnumConstant() {
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return saField.isEnumConstant();
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}
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public Type type() throws ClassNotLoadedException {
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// So, we do it just like JDI does by searching the enclosing type.
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return findType(signature());
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}
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public String typeName() { //fixme jjh: jpda version creates redundant JNITypeParsers
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getParser();
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return signatureParser.typeName();
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}
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public String genericSignature() {
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Symbol genSig = saField.getGenericSignature();
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return (genSig != null)? genSig.asString() : null;
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}
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// From interface Comparable
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public int compareTo(Object object) {
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Field field = (Field)object;
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ReferenceTypeImpl declaringType = (ReferenceTypeImpl)declaringType();
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int rc = declaringType.compareTo(field.declaringType());
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if (rc == 0) {
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rc = declaringType.indexOf(this) -
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declaringType.indexOf(field);
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}
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return rc;
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}
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// from interface Mirror
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public String toString() {
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StringBuffer buf = new StringBuffer();
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buf.append(declaringType().name());
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buf.append('.');
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buf.append(name());
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return buf.toString();
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}
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public String name() {
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FieldIdentifier myName = saField.getID();
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return myName.getName();
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}
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// From interface Accessible
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public int modifiers() {
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return saField.getAccessFlagsObj().getStandardFlags();
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}
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public boolean isPackagePrivate() {
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return saField.isPackagePrivate();
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}
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public boolean isPrivate() {
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return saField.isPrivate();
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}
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public boolean isProtected() {
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return saField.isProtected();
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}
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public boolean isPublic() {
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return saField.isPublic();
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}
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public boolean isStatic() {
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return saField.isStatic();
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}
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public boolean isFinal() {
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return saField.isFinal();
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}
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public boolean isSynthetic() {
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return saField.isSynthetic();
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}
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public int hashCode() {
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return saField.hashCode();
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}
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private Type findType(String signature) throws ClassNotLoadedException {
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ReferenceTypeImpl enclosing = (ReferenceTypeImpl)declaringType();
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return enclosing.findType(signature);
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}
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}
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