/*
* Copyright (c) 2000, 2012, 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.
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*/
package sun.jvm.hotspot.oops;
import java.io.*;
import java.util.*;
import sun.jvm.hotspot.debugger.*;
import sun.jvm.hotspot.runtime.*;
import sun.jvm.hotspot.types.*;
// A TypeArray is an array containing basic types (non oop elements).
// It is used for arrays of {characters, singles, doubles, bytes, shorts, integers, longs}
public class TypeArray extends Array {
static {
VM.registerVMInitializedObserver(new Observer() {
public void update(Observable o, Object data) {
initialize(VM.getVM().getTypeDataBase());
}
});
}
private static synchronized void initialize(TypeDataBase db) throws WrongTypeException {
Type type = db.lookupType("typeArrayOop");
}
TypeArray(OopHandle handle, ObjectHeap heap) {
super(handle, heap);
}
public boolean isTypeArray() { return true; }
public byte getByteAt(long index) {
if (index < 0 || index >= getLength()) {
throw new ArrayIndexOutOfBoundsException(index + " " + getLength());
}
long offset = baseOffsetInBytes(BasicType.T_BYTE) + index * getHeap().getByteSize();
return getHandle().getJByteAt(offset);
}
public boolean getBooleanAt(long index) {
long offset = baseOffsetInBytes(BasicType.T_BOOLEAN) + index * getHeap().getBooleanSize();
return getHandle().getJBooleanAt(offset);
}
public char getCharAt(long index) {
long offset = baseOffsetInBytes(BasicType.T_CHAR) + index * getHeap().getCharSize();
return getHandle().getJCharAt(offset);
}
public int getIntAt(long index) {
long offset = baseOffsetInBytes(BasicType.T_INT) + index * getHeap().getIntSize();
return getHandle().getJIntAt(offset);
}
public short getShortAt(long index) {
long offset = baseOffsetInBytes(BasicType.T_SHORT) + index * getHeap().getShortSize();
return getHandle().getJShortAt(offset);
}
public long getLongAt(long index) {
long offset = baseOffsetInBytes(BasicType.T_LONG) + index * getHeap().getLongSize();
return getHandle().getJLongAt(offset);
}
public float getFloatAt(long index) {
long offset = baseOffsetInBytes(BasicType.T_FLOAT) + index * getHeap().getFloatSize();
return getHandle().getJFloatAt(offset);
}
public double getDoubleAt(long index) {
long offset = baseOffsetInBytes(BasicType.T_DOUBLE) + index * getHeap().getDoubleSize();
return getHandle().getJDoubleAt(offset);
}
public void printValueOn(PrintStream tty) {
TypeArrayKlass klass = (TypeArrayKlass) getKlass();
tty.print(klass.getTypeName());
}
public void iterateFields(OopVisitor visitor, boolean doVMFields) {
super.iterateFields(visitor, doVMFields);
TypeArrayKlass klass = (TypeArrayKlass) getKlass();
int length = (int) getLength();
int type = (int) klass.getElementType();
for (int index = 0; index < length; index++) {
FieldIdentifier id = new IndexableFieldIdentifier(index);
switch (type) {
case TypeArrayKlass.T_BOOLEAN: {
long offset = baseOffsetInBytes(BasicType.T_BOOLEAN) + index * getHeap().getBooleanSize();
visitor.doBoolean(new BooleanField(id, offset, false), false);
break;
}
case TypeArrayKlass.T_CHAR: {
long offset = baseOffsetInBytes(BasicType.T_CHAR) + index * getHeap().getCharSize();
visitor.doChar(new CharField(id, offset, false), false);
break;
}
case TypeArrayKlass.T_FLOAT: {
long offset = baseOffsetInBytes(BasicType.T_FLOAT) + index * getHeap().getFloatSize();
visitor.doFloat(new FloatField(id, offset, false), false);
break;
}
case TypeArrayKlass.T_DOUBLE: {
long offset = baseOffsetInBytes(BasicType.T_DOUBLE) + index * getHeap().getDoubleSize();
visitor.doDouble(new DoubleField(id, offset, false), false);
break;
}
case TypeArrayKlass.T_BYTE: {
long offset = baseOffsetInBytes(BasicType.T_BYTE) + index * getHeap().getByteSize();
visitor.doByte(new ByteField(id, offset, false), false);
break;
}
case TypeArrayKlass.T_SHORT: {
/**代码未完, 请加载全部代码(NowJava.com).**/