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annotate graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/meta/HotSpotTypePrimitive.java @ 7049:ccade022ec83

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virtualization of unsafeload and unsafestore
author Lukas Stadler <lukas.stadler@jku.at>
date Tue, 27 Nov 2012 17:32:40 +0100
parents dd81042f4eb1
children ec2e696fc3bc
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1 /*
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2 * Copyright (c) 2011, 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 java.lang.annotation.*;
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26 import java.lang.reflect.*;
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27
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28 import com.oracle.graal.api.meta.*;
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29 import com.oracle.graal.graph.*;
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31 /**
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32 * Implementation of {@link JavaType} for primitive HotSpot types.
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33 */
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34 public final class HotSpotTypePrimitive extends HotSpotJavaType implements ResolvedJavaType {
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35
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36 private static final long serialVersionUID = -6208552348908071473L;
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37 private final Kind kind;
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38 private final Class<?> javaMirror;
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39 private final Class javaArrayMirror;
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40
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41 public HotSpotTypePrimitive(Kind kind) {
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42 super(String.valueOf(Character.toUpperCase(kind.getTypeChar())));
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43 this.kind = kind;
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44 this.javaMirror = kind.toJavaClass();
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45 this.javaArrayMirror = kind.isVoid() ? null : Array.newInstance(javaMirror, 0).getClass();
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46 }
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47
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48 @Override
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49 public int getModifiers() {
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50 return Modifier.ABSTRACT | Modifier.FINAL | Modifier.PUBLIC;
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51 }
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52
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53 @Override
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54 public ResolvedJavaType getArrayClass() {
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55 return HotSpotResolvedJavaType.fromClass(javaArrayMirror);
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56 }
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57
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58 @Override
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59 public ResolvedJavaType getComponentType() {
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60 return null;
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61 }
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62
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63 @Override
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64 public ResolvedJavaType asExactType() {
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65 return this;
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66 }
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67
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68 @Override
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69 public ResolvedJavaType getSuperclass() {
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70 assert javaMirror.getSuperclass() == null;
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71 return null;
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72 }
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73
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74 @Override
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75 public ResolvedJavaType[] getInterfaces() {
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76 return new ResolvedJavaType[0];
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77 }
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78
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79 @Override
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80 public ResolvedJavaType findLeastCommonAncestor(ResolvedJavaType otherType) {
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81 return null;
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82 }
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83
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84 @Override
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85 public Constant getEncoding(Representation r) {
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86 throw GraalInternalError.unimplemented("HotSpotTypePrimitive.getEncoding");
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87 }
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88
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89 @Override
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90 public boolean hasFinalizableSubclass() {
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91 return false;
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92 }
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93
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94 @Override
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95 public boolean hasFinalizer() {
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96 return false;
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97 }
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98
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99 @Override
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100 public boolean isArrayClass() {
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101 return false;
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102 }
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103
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104 @Override
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105 public boolean isInitialized() {
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106 return true;
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107 }
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108
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109 @Override
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110 public boolean isInstance(Constant obj) {
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111 return false;
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112 }
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113
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114 @Override
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115 public boolean isInstanceClass() {
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116 return false;
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117 }
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118
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119 @Override
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120 public boolean isInterface() {
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121 return false;
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122 }
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123
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124 @Override
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125 public boolean isAssignableTo(ResolvedJavaType other) {
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126 if (other instanceof HotSpotTypePrimitive) {
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127 return other == this;
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128 }
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129 return false;
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130 }
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131
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132 @Override
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133 public Kind getKind() {
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134 return kind;
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135 }
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136
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137 @Override
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138 public ResolvedJavaMethod resolveMethod(ResolvedJavaMethod method) {
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139 return null;
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140 }
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141
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142 @Override
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143 public String toString() {
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144 return "HotSpotTypePrimitive<" + kind + ">";
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145 }
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146
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147 @Override
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148 public ResolvedJavaType findUniqueConcreteSubtype() {
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149 return this;
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150 }
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151
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152 @Override
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153 public ResolvedJavaMethod findUniqueConcreteMethod(ResolvedJavaMethod method) {
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154 return null;
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155 }
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156
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157 @Override
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158 public ResolvedJavaField[] getInstanceFields(boolean includeSuperclasses) {
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159 return new ResolvedJavaField[0];
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160 }
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161
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162 @Override
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163 public <T extends Annotation> T getAnnotation(Class<T> annotationClass) {
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164 return javaMirror.getAnnotation(annotationClass);
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165 }
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166
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167 @Override
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168 public Class< ? > toJava() {
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169 return javaMirror;
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170 }
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14a00ee82980 Implement eager type resolving.
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171
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172 @Override
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173 public boolean isClass(Class c) {
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174 return c == javaMirror;
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175 }
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176
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177 @Override
5541
b4c406861c33 More renamings to drop Ri* prefix completely. Deleted graph.BitMap class and replaced with java.util.BitSet.
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178 public ResolvedJavaType resolve(ResolvedJavaType accessingClass) {
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179 return this;
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180 }
5326
a53162ca8219 introduced HotSpotKlassOop type to convey a klassOop value from the compiler to the C++ code instead of relying on the C++ code automagically converting a HotSpotTypeResolvedImpl value to a klassOop
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181
a53162ca8219 introduced HotSpotKlassOop type to convey a klassOop value from the compiler to the C++ code instead of relying on the C++ code automagically converting a HotSpotTypeResolvedImpl value to a klassOop
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182 @Override
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183 public void initialize() {
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184 }
7049
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185
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186 @Override
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187 public ResolvedJavaField findFieldWithOffset(long offset) {
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188 return null;
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189 }
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190 }