Mercurial > hg > truffle
annotate agent/src/share/classes/sun/jvm/hotspot/oops/DefaultMetadataVisitor.java @ 13705:ac5b0f31f7a2
Truffle API-change: FrameDescriptors are now stored in the RootNode in a final field instead of the CallTarget.
author | Christian Humer <christian.humer@gmail.com> |
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date | Fri, 17 Jan 2014 17:06:08 +0100 |
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1 /* |
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2 * Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved. |
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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4 * |
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5 * This code is free software; you can redistribute it and/or modify it |
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6 * under the terms of the GNU General Public License version 2 only, as |
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7 * published by the Free Software Foundation. |
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8 * |
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9 * This code is distributed in the hope that it will be useful, but WITHOUT |
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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12 * version 2 for more details (a copy is included in the LICENSE file that |
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13 * accompanied this code). |
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14 * |
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15 * You should have received a copy of the GNU General Public License version |
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16 * 2 along with this work; if not, write to the Free Software Foundation, |
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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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. |
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22 * |
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23 */ |
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24 |
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25 package sun.jvm.hotspot.oops; |
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26 |
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27 import sun.jvm.hotspot.debugger.Address; |
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28 |
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29 /** A DefaultMetadataVisitor implements basic no-op MetadataVisitor |
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30 functionality except that the setObj() and getObj() methods are |
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31 implemented properly. */ |
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32 abstract public class DefaultMetadataVisitor implements MetadataVisitor { |
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33 private Metadata obj; |
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34 |
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35 public void prologue() {} |
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36 |
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37 // Called after visiting an object |
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38 public void epilogue() {} |
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39 |
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40 public void setObj(Metadata obj) { |
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41 this.obj = obj; |
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42 } |
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43 |
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44 public Metadata getObj() { |
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45 return obj; |
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46 } |
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47 |
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48 // Callback methods for each field type in an object |
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49 abstract public void doMetadata(MetadataField field, boolean isVMField); |
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50 public void doOop(OopField field, boolean isVMField) {} |
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51 public void doOop(NarrowOopField field, boolean isVMField) {} |
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52 public void doByte(ByteField field, boolean isVMField) {} |
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53 public void doChar(CharField field, boolean isVMField) {} |
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54 public void doBoolean(BooleanField field, boolean isVMField) {} |
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55 public void doShort(ShortField field, boolean isVMField) {} |
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56 public void doInt(IntField field, boolean isVMField) {} |
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57 public void doLong(LongField field, boolean isVMField) {} |
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58 public void doFloat(FloatField field, boolean isVMField) {} |
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59 public void doDouble(DoubleField field, boolean isVMField) {} |
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60 public void doCInt(CIntField field, boolean isVMField) {} |
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61 } |