Mercurial > hg > truffle
annotate graal/com.oracle.graal.lir/src/com/oracle/graal/lir/CompositeValueClass.java @ 15637:40f13c935d8b
mx: fix constructor call
| author | Bernhard Urban <bernhard.urban@jku.at> |
|---|---|
| date | Wed, 14 May 2014 11:08:05 +0200 |
| parents | 21663230ba88 |
| children | f315b1c0a590 |
| rev | line source |
|---|---|
| 8165 | 1 /* |
| 2 * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved. | |
| 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 * | |
| 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | |
| 20 * or visit www.oracle.com if you need additional information or have any | |
| 21 * questions. | |
| 22 */ | |
| 23 package com.oracle.graal.lir; | |
| 24 | |
| 25 import java.lang.reflect.*; | |
| 26 import java.util.*; | |
| 27 | |
|
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28 import com.oracle.graal.compiler.common.*; |
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29 import com.oracle.graal.lir.CompositeValue.Component; |
| 8165 | 30 import com.oracle.graal.lir.LIRInstruction.OperandFlag; |
| 31 import com.oracle.graal.lir.LIRInstruction.OperandMode; | |
| 32 import com.oracle.graal.lir.LIRInstruction.ValueProcedure; | |
| 33 | |
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34 /** |
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35 * Lazily associated metadata for every {@link CompositeValue} type. The metadata includes: |
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36 * <ul> |
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37 * <li>The offsets of fields annotated with {@link Component} as well as methods for iterating over |
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38 * such fields.</li> |
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39 * </ul> |
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40 */ |
| 8165 | 41 public class CompositeValueClass extends LIRIntrospection { |
| 42 | |
| 43 public static final CompositeValueClass get(Class<? extends CompositeValue> c) { | |
| 44 CompositeValueClass clazz = (CompositeValueClass) allClasses.get(c); | |
| 45 if (clazz != null) { | |
| 46 return clazz; | |
| 47 } | |
| 48 | |
| 49 // We can have a race of multiple threads creating the LIRInstructionClass at the same time. | |
| 50 // However, only one will be put into the map, and this is the one returned by all threads. | |
| 51 clazz = new CompositeValueClass(c); | |
| 52 CompositeValueClass oldClazz = (CompositeValueClass) allClasses.putIfAbsent(c, clazz); | |
| 53 if (oldClazz != null) { | |
| 54 return oldClazz; | |
| 55 } else { | |
| 56 return clazz; | |
| 57 } | |
| 58 } | |
| 59 | |
| 60 private final int directComponentCount; | |
| 61 private final long[] componentOffsets; | |
| 62 private final EnumSet<OperandFlag>[] componentFlags; | |
| 63 | |
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64 public CompositeValueClass(Class<? extends CompositeValue> clazz) { |
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65 this(clazz, new DefaultCalcOffset()); |
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66 } |
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67 |
| 8165 | 68 @SuppressWarnings("unchecked") |
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69 public CompositeValueClass(Class<? extends CompositeValue> clazz, CalcOffset calcOffset) { |
| 8165 | 70 super(clazz); |
| 71 | |
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72 ValueFieldScanner scanner = new ValueFieldScanner(calcOffset); |
| 8165 | 73 scanner.scan(clazz); |
| 74 | |
| 75 OperandModeAnnotation mode = scanner.valueAnnotations.get(CompositeValue.Component.class); | |
| 76 directComponentCount = mode.scalarOffsets.size(); | |
| 77 componentOffsets = sortedLongCopy(mode.scalarOffsets, mode.arrayOffsets); | |
| 78 componentFlags = arrayUsingSortedOffsets(mode.flags, componentOffsets, new EnumSet[componentOffsets.length]); | |
| 79 | |
| 80 dataOffsets = sortedLongCopy(scanner.dataOffsets); | |
| 81 | |
| 82 fieldNames = scanner.fieldNames; | |
| 83 fieldTypes = scanner.fieldTypes; | |
| 84 } | |
| 85 | |
| 86 @Override | |
| 87 protected void rescanFieldOffsets(CalcOffset calc) { | |
| 88 ValueFieldScanner scanner = new ValueFieldScanner(calc); | |
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89 scanner.scan(getClazz()); |
| 8165 | 90 |
| 91 OperandModeAnnotation mode = scanner.valueAnnotations.get(CompositeValue.Component.class); | |
| 92 copyInto(componentOffsets, sortedLongCopy(mode.scalarOffsets, mode.arrayOffsets)); | |
| 93 | |
| 94 copyInto(dataOffsets, sortedLongCopy(scanner.dataOffsets)); | |
| 95 | |
| 96 fieldNames.clear(); | |
| 97 fieldNames.putAll(scanner.fieldNames); | |
| 98 fieldTypes.clear(); | |
| 99 fieldTypes.putAll(scanner.fieldTypes); | |
| 100 } | |
| 101 | |
| 102 private static class ValueFieldScanner extends FieldScanner { | |
| 103 | |
| 104 public ValueFieldScanner(CalcOffset calc) { | |
| 105 super(calc); | |
| 106 | |
| 107 valueAnnotations.put(CompositeValue.Component.class, new OperandModeAnnotation()); | |
| 108 } | |
| 109 | |
| 110 @Override | |
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111 public void scan(Class<?> clazz) { |
| 8165 | 112 super.scan(clazz); |
| 113 } | |
| 114 | |
| 115 @Override | |
| 116 protected EnumSet<OperandFlag> getFlags(Field field) { | |
| 117 EnumSet<OperandFlag> result = EnumSet.noneOf(OperandFlag.class); | |
| 118 if (field.isAnnotationPresent(CompositeValue.Component.class)) { | |
| 119 result.addAll(Arrays.asList(field.getAnnotation(CompositeValue.Component.class).value())); | |
| 120 } else { | |
| 121 GraalInternalError.shouldNotReachHere(); | |
| 122 } | |
| 123 return result; | |
| 124 } | |
| 125 } | |
| 126 | |
| 127 @Override | |
| 128 public String toString() { | |
| 129 StringBuilder str = new StringBuilder(); | |
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130 str.append(getClass().getSimpleName()).append(" ").append(getClazz().getSimpleName()).append(" component["); |
| 8165 | 131 for (int i = 0; i < componentOffsets.length; i++) { |
| 132 str.append(i == 0 ? "" : ", ").append(componentOffsets[i]); | |
| 133 } | |
| 134 str.append("] data["); | |
| 135 for (int i = 0; i < dataOffsets.length; i++) { | |
| 136 str.append(i == 0 ? "" : ", ").append(dataOffsets[i]); | |
| 137 } | |
| 138 str.append("]"); | |
| 139 return str.toString(); | |
| 140 } | |
| 141 | |
| 142 public final void forEachComponent(CompositeValue obj, OperandMode mode, ValueProcedure proc) { | |
| 143 forEach(obj, directComponentCount, componentOffsets, mode, componentFlags, proc); | |
| 144 } | |
| 145 | |
| 146 public String toString(CompositeValue obj) { | |
| 147 StringBuilder result = new StringBuilder(); | |
| 148 | |
| 149 appendValues(result, obj, "", "", "{", "}", new String[]{""}, componentOffsets); | |
| 150 | |
| 151 for (int i = 0; i < dataOffsets.length; i++) { | |
| 152 result.append(" ").append(fieldNames.get(dataOffsets[i])).append(": ").append(getFieldString(obj, dataOffsets[i])); | |
| 153 } | |
| 154 | |
| 155 return result.toString(); | |
| 156 } | |
| 157 } |