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annotate graal/com.oracle.jvmci.debug/src/com/oracle/jvmci/debug/internal/DebugValue.java @ 21794:483b357016a6

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Use export target explicitly in mx_graal.py when building JDK (JBS:GRAAL-52)
author Stefan Anzinger <stefan.anzinger@oracle.com>
date Mon, 08 Jun 2015 20:30:39 +0200
parents b1530a6cce8c
children
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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 package com.oracle.jvmci.debug.internal;
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24
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25 /**
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26 * A name and index for a value managed in a thread local value map. All access to the value is made
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27 * via a {@link DebugValue} instance.
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28 */
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29 public abstract class DebugValue implements Comparable<DebugValue> {
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30
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31 private final String name;
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32 private int index;
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33 private boolean conditional;
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34
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35 protected DebugValue(String name, boolean conditional) {
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36 this.name = name;
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37 this.index = -1;
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38 this.conditional = conditional;
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39 }
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40
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41 public long getCurrentValue() {
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42 ensureInitialized();
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43 return DebugScope.getInstance().getCurrentValue(index);
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44 }
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45
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46 protected void setCurrentValue(long l) {
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47 ensureInitialized();
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48 DebugScope.getInstance().setCurrentValue(index, l);
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49 }
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50
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51 public void setConditional(boolean flag) {
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52 conditional = flag;
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53 }
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54
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55 public boolean isConditional() {
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56 return conditional;
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57 }
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58
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59 private void ensureInitialized() {
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60 if (index == -1) {
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61 index = KeyRegistry.register(this);
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62 }
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63 }
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64
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65 protected void addToCurrentValue(long value) {
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66 setCurrentValue(getCurrentValue() + value);
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67 }
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68
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69 /**
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70 * Gets the globally unique index for the value represented by this object.
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71 */
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72 public int getIndex() {
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73 ensureInitialized();
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74 return index;
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75 }
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76
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77 /**
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78 * Gets the globally unique name for the value represented by this object.
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79 */
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80 public String getName() {
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81 return name;
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82 }
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83
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84 public int compareTo(DebugValue o) {
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85 return name.compareTo(o.name);
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86 }
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87
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88 @Override
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89 public String toString() {
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90 return name + "@" + index;
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91 }
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92
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93 public abstract String toString(long value);
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94 }