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annotate graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/meta/HotSpotResolvedObjectType.java @ 19800:3362ba500371

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Connect required Assumptions with answer to CHA query
author Tom Rodriguez <tom.rodriguez@oracle.com>
date Wed, 11 Mar 2015 17:32:04 -0700
parents 17b5e453ab41
children deab43a789ad
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1 /*
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2 * Copyright (c) 2011, 2014, 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.graal.hotspot.meta;
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24
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25 import com.oracle.graal.api.meta.*;
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26 import com.oracle.graal.api.meta.Assumptions.AssumptionResult;
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27 import com.oracle.graal.hotspot.*;
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29 /**
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30 * Implementation of {@link JavaType} for resolved non-primitive HotSpot classes.
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31 */
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32 public interface HotSpotResolvedObjectType extends ResolvedJavaType {
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33
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34 HotSpotResolvedObjectType getArrayClass();
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35
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36 ResolvedJavaType getComponentType();
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37
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38 AssumptionResult<ResolvedJavaType> findUniqueConcreteSubtype();
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39
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40 HotSpotResolvedObjectType getSuperclass();
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41
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42 HotSpotResolvedObjectType[] getInterfaces();
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43
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44 HotSpotResolvedObjectType getSupertype();
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45
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46 HotSpotResolvedObjectType findLeastCommonAncestor(ResolvedJavaType otherType);
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47
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48 HotSpotResolvedObjectType asExactType();
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49
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50 default boolean isPrimitive() {
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51 return false;
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52 }
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53
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54 default Kind getKind() {
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55 return Kind.Object;
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56 }
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57
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58 ConstantPool constantPool();
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59
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60 /**
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61 * Gets the instance size of this type. If an instance of this type cannot be fast path
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62 * allocated, then the returned value is negative (its absolute value gives the size). Must not
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63 * be called if this is an array or interface type.
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64 */
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65 int instanceSize();
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66
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67 int getVtableLength();
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69 @Override
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70 AssumptionResult<ResolvedJavaMethod> findUniqueConcreteMethod(ResolvedJavaMethod method);
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71
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72 /**
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73 * Performs a fast-path check that this type is resolved in the context of a given accessing
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74 * class. A negative result does not mean this type is not resolved with respect to
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75 * {@code accessingClass}. That can only be determined by
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76 * {@linkplain HotSpotGraalRuntime#lookupType(String, HotSpotResolvedObjectType, boolean)
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77 * re-resolving} the type.
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78 */
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79 boolean isDefinitelyResolvedWithRespectTo(ResolvedJavaType accessingClass);
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80
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81 /**
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82 * Gets the metaspace Klass boxed in a {@link JavaConstant}.
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83 */
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84 Constant klass();
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85
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86 boolean isPrimaryType();
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87
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88 int superCheckOffset();
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89
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90 long prototypeMarkWord();
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92 HotSpotResolvedObjectType getEnclosingType();
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93
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94 ResolvedJavaMethod getClassInitializer();
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96 ResolvedJavaField createField(String name, JavaType type, long offset, int modifiers);
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97 }