| /* |
| * Copyright (c) 2002, 2004, 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.jdi; |
| |
| import com.sun.jdi.*; |
| |
| import java.util.List; |
| import java.util.ArrayList; |
| import java.util.Iterator; |
| |
| import sun.jvm.hotspot.oops.Instance; |
| import sun.jvm.hotspot.oops.Array; |
| import sun.jvm.hotspot.runtime.BasicType; |
| import sun.jvm.hotspot.utilities.Assert; |
| |
| public class ArrayReferenceImpl extends ObjectReferenceImpl |
| implements ArrayReference |
| { |
| private int length; |
| ArrayReferenceImpl(VirtualMachine aVm, sun.jvm.hotspot.oops.Array aRef) { |
| super(aVm, aRef); |
| length = (int) aRef.getLength(); |
| } |
| |
| ArrayTypeImpl arrayType() { |
| return (ArrayTypeImpl)type(); |
| } |
| |
| /** |
| * Return array length. |
| */ |
| public int length() { |
| return length; |
| } |
| |
| public Value getValue(int index) { |
| List list = getValues(index, 1); |
| return (Value)list.get(0); |
| } |
| |
| public List getValues() { |
| return getValues(0, -1); |
| } |
| |
| /** |
| * Validate that the range to set/get is valid. |
| * length of -1 (meaning rest of array) has been converted |
| * before entry. |
| */ |
| private void validateArrayAccess(int index, int len) { |
| // because length can be computed from index, |
| // index must be tested first for correct error message |
| if ((index < 0) || (index > length())) { |
| throw new IndexOutOfBoundsException( |
| "Invalid array index: " + index); |
| } |
| if (len < 0) { |
| throw new IndexOutOfBoundsException( |
| "Invalid array range length: " + len); |
| } |
| if (index + len > length()) { |
| throw new IndexOutOfBoundsException( |
| "Invalid array range: " + |
| index + " to " + (index + len - 1)); |
| } |
| } |
| |
| public List getValues(int index, int len) { |
| if (len == -1) { // -1 means the rest of the array |
| len = length() - index; |
| } |
| validateArrayAccess(index, len); |
| List vals = new ArrayList(); |
| if (len == 0) { |
| return vals; |
| } |
| |
| sun.jvm.hotspot.oops.TypeArray typeArray = null; |
| sun.jvm.hotspot.oops.ObjArray objArray = null; |
| if (ref() instanceof sun.jvm.hotspot.oops.TypeArray) { |
| typeArray = (sun.jvm.hotspot.oops.TypeArray)ref(); |
| } else if (ref() instanceof sun.jvm.hotspot.oops.ObjArray) { |
| objArray = (sun.jvm.hotspot.oops.ObjArray)ref(); |
| } else { |
| throw new RuntimeException("should not reach here"); |
| } |
| |
| char c = arrayType().componentSignature().charAt(0); |
| BasicType variableType = BasicType.charToBasicType(c); |
| |
| final int limit = index + len; |
| for (int ii = index; ii < limit; ii++) { |
| ValueImpl valueImpl; |
| if (variableType == BasicType.T_BOOLEAN) { |
| valueImpl = (BooleanValueImpl) vm.mirrorOf(typeArray.getBooleanAt(ii)); |
| } else if (variableType == BasicType.T_CHAR) { |
| valueImpl = (CharValueImpl) vm.mirrorOf(typeArray.getCharAt(ii)); |
| } else if (variableType == BasicType.T_FLOAT) { |
| valueImpl = (FloatValueImpl) vm.mirrorOf(typeArray.getFloatAt(ii)); |
| } else if (variableType == BasicType.T_DOUBLE) { |
| valueImpl = (DoubleValueImpl) vm.mirrorOf(typeArray.getDoubleAt(ii)); |
| } else if (variableType == BasicType.T_BYTE) { |
| valueImpl = (ByteValueImpl) vm.mirrorOf(typeArray.getByteAt(ii)); |
| } else if (variableType == BasicType.T_SHORT) { |
| valueImpl = (ShortValueImpl) vm.mirrorOf(typeArray.getShortAt(ii)); |
| } else if (variableType == BasicType.T_INT) { |
| valueImpl = (IntegerValueImpl) vm.mirrorOf(typeArray.getIntAt(ii)); |
| } else if (variableType == BasicType.T_LONG) { |
| valueImpl = (LongValueImpl) vm.mirrorOf(typeArray.getLongAt(ii)); |
| } else if (variableType == BasicType.T_OBJECT) { |
| // we may have an [Ljava/lang/Object; - i.e., Object[] with the |
| // elements themselves may be arrays because every array is an Object. |
| valueImpl = (ObjectReferenceImpl) vm.objectMirror(objArray.getObjAt(ii)); |
| } else if (variableType == BasicType.T_ARRAY) { |
| valueImpl = (ArrayReferenceImpl) vm.arrayMirror((Array) objArray.getObjAt(ii)); |
| } else { |
| throw new RuntimeException("should not reach here"); |
| } |
| vals.add (valueImpl); |
| } |
| return vals; |
| } |
| |
| public void setValue(int index, Value value) |
| throws InvalidTypeException, |
| ClassNotLoadedException { |
| vm.throwNotReadOnlyException("ArrayReference.setValue(...)"); |
| } |
| |
| public void setValues(List values) |
| throws InvalidTypeException, |
| ClassNotLoadedException { |
| setValues(0, values, 0, -1); |
| } |
| |
| public void setValues(int index, List values, |
| int srcIndex, int length) |
| throws InvalidTypeException, |
| ClassNotLoadedException { |
| |
| vm.throwNotReadOnlyException("ArrayReference.setValue(...)"); |
| |
| } |
| |
| public String toString() { |
| return "instance of " + arrayType().componentTypeName() + |
| "[" + length() + "] (id=" + uniqueID() + ")"; |
| } |
| } |