Mercurial > hg > truffle
annotate agent/src/share/classes/sun/jvm/hotspot/jdi/ArrayReferenceImpl.java @ 2426:1d1603768966
7010070: Update all 2010 Oracle-changed OpenJDK files to have the proper copyright dates - second pass
Summary: Update the copyright to be 2010 on all changed files in OpenJDK
Reviewed-by: ohair
| author | trims |
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| date | Tue, 05 Apr 2011 14:12:31 -0700 |
| parents | c18cbe5936b8 |
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| rev | line source |
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| 0 | 1 /* |
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2 * Copyright (c) 2002, 2004, Oracle and/or its affiliates. All rights reserved. |
| 0 | 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 4 * | |
| 5 * This code is free software; you can redistribute it and/or modify it | |
| 6 * under the terms of the GNU General Public License version 2 only, as | |
| 7 * published by the Free Software Foundation. | |
| 8 * | |
| 9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
| 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 12 * version 2 for more details (a copy is included in the LICENSE file that | |
| 13 * accompanied this code). | |
| 14 * | |
| 15 * You should have received a copy of the GNU General Public License version | |
| 16 * 2 along with this work; if not, write to the Free Software Foundation, | |
| 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
| 18 * | |
|
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
| 0 | 22 * |
| 23 */ | |
| 24 | |
| 25 package sun.jvm.hotspot.jdi; | |
| 26 | |
| 27 import com.sun.jdi.*; | |
| 28 | |
| 29 import java.util.List; | |
| 30 import java.util.ArrayList; | |
| 31 import java.util.Iterator; | |
| 32 | |
| 33 import sun.jvm.hotspot.oops.Instance; | |
| 34 import sun.jvm.hotspot.oops.Array; | |
| 35 import sun.jvm.hotspot.runtime.BasicType; | |
| 36 import sun.jvm.hotspot.utilities.Assert; | |
| 37 | |
| 38 public class ArrayReferenceImpl extends ObjectReferenceImpl | |
| 39 implements ArrayReference | |
| 40 { | |
| 41 private int length; | |
| 42 ArrayReferenceImpl(VirtualMachine aVm, sun.jvm.hotspot.oops.Array aRef) { | |
| 43 super(aVm, aRef); | |
| 44 length = (int) aRef.getLength(); | |
| 45 } | |
| 46 | |
| 47 ArrayTypeImpl arrayType() { | |
| 48 return (ArrayTypeImpl)type(); | |
| 49 } | |
| 50 | |
| 51 /** | |
| 52 * Return array length. | |
| 53 */ | |
| 54 public int length() { | |
| 55 return length; | |
| 56 } | |
| 57 | |
| 58 public Value getValue(int index) { | |
| 59 List list = getValues(index, 1); | |
| 60 return (Value)list.get(0); | |
| 61 } | |
| 62 | |
| 63 public List getValues() { | |
| 64 return getValues(0, -1); | |
| 65 } | |
| 66 | |
| 67 /** | |
| 68 * Validate that the range to set/get is valid. | |
| 69 * length of -1 (meaning rest of array) has been converted | |
| 70 * before entry. | |
| 71 */ | |
| 72 private void validateArrayAccess(int index, int len) { | |
| 73 // because length can be computed from index, | |
| 74 // index must be tested first for correct error message | |
| 75 if ((index < 0) || (index > length())) { | |
| 76 throw new IndexOutOfBoundsException( | |
| 77 "Invalid array index: " + index); | |
| 78 } | |
| 79 if (len < 0) { | |
| 80 throw new IndexOutOfBoundsException( | |
| 81 "Invalid array range length: " + len); | |
| 82 } | |
| 83 if (index + len > length()) { | |
| 84 throw new IndexOutOfBoundsException( | |
| 85 "Invalid array range: " + | |
| 86 index + " to " + (index + len - 1)); | |
| 87 } | |
| 88 } | |
| 89 | |
| 90 public List getValues(int index, int len) { | |
| 91 if (len == -1) { // -1 means the rest of the array | |
| 92 len = length() - index; | |
| 93 } | |
| 94 validateArrayAccess(index, len); | |
| 95 List vals = new ArrayList(); | |
| 96 if (len == 0) { | |
| 97 return vals; | |
| 98 } | |
| 99 | |
| 100 sun.jvm.hotspot.oops.TypeArray typeArray = null; | |
| 101 sun.jvm.hotspot.oops.ObjArray objArray = null; | |
| 102 if (ref() instanceof sun.jvm.hotspot.oops.TypeArray) { | |
| 103 typeArray = (sun.jvm.hotspot.oops.TypeArray)ref(); | |
| 104 } else if (ref() instanceof sun.jvm.hotspot.oops.ObjArray) { | |
| 105 objArray = (sun.jvm.hotspot.oops.ObjArray)ref(); | |
| 106 } else { | |
| 107 throw new RuntimeException("should not reach here"); | |
| 108 } | |
| 109 | |
| 110 char c = arrayType().componentSignature().charAt(0); | |
| 111 BasicType variableType = BasicType.charToBasicType(c); | |
| 112 | |
| 113 final int limit = index + len; | |
| 114 for (int ii = index; ii < limit; ii++) { | |
| 115 ValueImpl valueImpl; | |
| 116 if (variableType == BasicType.T_BOOLEAN) { | |
| 117 valueImpl = (BooleanValueImpl) vm.mirrorOf(typeArray.getBooleanAt(ii)); | |
| 118 } else if (variableType == BasicType.T_CHAR) { | |
| 119 valueImpl = (CharValueImpl) vm.mirrorOf(typeArray.getCharAt(ii)); | |
| 120 } else if (variableType == BasicType.T_FLOAT) { | |
| 121 valueImpl = (FloatValueImpl) vm.mirrorOf(typeArray.getFloatAt(ii)); | |
| 122 } else if (variableType == BasicType.T_DOUBLE) { | |
| 123 valueImpl = (DoubleValueImpl) vm.mirrorOf(typeArray.getDoubleAt(ii)); | |
| 124 } else if (variableType == BasicType.T_BYTE) { | |
| 125 valueImpl = (ByteValueImpl) vm.mirrorOf(typeArray.getByteAt(ii)); | |
| 126 } else if (variableType == BasicType.T_SHORT) { | |
| 127 valueImpl = (ShortValueImpl) vm.mirrorOf(typeArray.getShortAt(ii)); | |
| 128 } else if (variableType == BasicType.T_INT) { | |
| 129 valueImpl = (IntegerValueImpl) vm.mirrorOf(typeArray.getIntAt(ii)); | |
| 130 } else if (variableType == BasicType.T_LONG) { | |
| 131 valueImpl = (LongValueImpl) vm.mirrorOf(typeArray.getLongAt(ii)); | |
| 132 } else if (variableType == BasicType.T_OBJECT) { | |
| 133 // we may have an [Ljava/lang/Object; - i.e., Object[] with the | |
| 134 // elements themselves may be arrays because every array is an Object. | |
| 135 valueImpl = (ObjectReferenceImpl) vm.objectMirror(objArray.getObjAt(ii)); | |
| 136 } else if (variableType == BasicType.T_ARRAY) { | |
| 137 valueImpl = (ArrayReferenceImpl) vm.arrayMirror((Array) objArray.getObjAt(ii)); | |
| 138 } else { | |
| 139 throw new RuntimeException("should not reach here"); | |
| 140 } | |
| 141 vals.add (valueImpl); | |
| 142 } | |
| 143 return vals; | |
| 144 } | |
| 145 | |
| 146 public void setValue(int index, Value value) | |
| 147 throws InvalidTypeException, | |
| 148 ClassNotLoadedException { | |
| 149 vm.throwNotReadOnlyException("ArrayReference.setValue(...)"); | |
| 150 } | |
| 151 | |
| 152 public void setValues(List values) | |
| 153 throws InvalidTypeException, | |
| 154 ClassNotLoadedException { | |
| 155 setValues(0, values, 0, -1); | |
| 156 } | |
| 157 | |
| 158 public void setValues(int index, List values, | |
| 159 int srcIndex, int length) | |
| 160 throws InvalidTypeException, | |
| 161 ClassNotLoadedException { | |
| 162 | |
| 163 vm.throwNotReadOnlyException("ArrayReference.setValue(...)"); | |
| 164 | |
| 165 } | |
| 166 | |
| 167 public String toString() { | |
| 168 return "instance of " + arrayType().componentTypeName() + | |
| 169 "[" + length() + "] (id=" + uniqueID() + ")"; | |
| 170 } | |
| 171 } |