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annotate graal/com.oracle.jvmci.meta/src/com/oracle/jvmci/meta/Kind.java @ 21556:48c1ebd24120

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renamed com.oracle.graal.api[meta|code] modules to com.oracle.jvmci.[meta|code] (JBS:GRAAL-53)
author Doug Simon <doug.simon@oracle.com>
date Wed, 27 May 2015 00:36:16 +0200
parents graal/com.oracle.graal.api.meta/src/com/oracle/graal/api/meta/Kind.java@51680f58e681
children
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1 /*
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2 * Copyright (c) 2009, 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.jvmci.meta;
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24
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25 import java.lang.reflect.*;
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26
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27 //JaCoCo Exclude
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28
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29 /**
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30 * Denotes the basic kinds of types in CRI, including the all the Java primitive types, for example,
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31 * {@link Kind#Int} for {@code int} and {@link Kind#Object} for all object types. A kind has a
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32 * single character short name, a Java name, and a set of flags further describing its behavior.
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33 */
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34 public enum Kind implements PlatformKind {
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35 /** The primitive boolean kind, represented as an int on the stack. */
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36 Boolean('z', "boolean", 1, true, java.lang.Boolean.TYPE, java.lang.Boolean.class),
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38 /** The primitive byte kind, represented as an int on the stack. */
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39 Byte('b', "byte", 1, true, java.lang.Byte.TYPE, java.lang.Byte.class),
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40
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41 /** The primitive short kind, represented as an int on the stack. */
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42 Short('s', "short", 1, true, java.lang.Short.TYPE, java.lang.Short.class),
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43
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44 /** The primitive char kind, represented as an int on the stack. */
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45 Char('c', "char", 1, true, java.lang.Character.TYPE, java.lang.Character.class),
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46
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47 /** The primitive int kind, represented as an int on the stack. */
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48 Int('i', "int", 1, true, java.lang.Integer.TYPE, java.lang.Integer.class),
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49
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50 /** The primitive float kind. */
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51 Float('f', "float", 1, false, java.lang.Float.TYPE, java.lang.Float.class),
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52
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53 /** The primitive long kind. */
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54 Long('j', "long", 2, false, java.lang.Long.TYPE, java.lang.Long.class),
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55
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56 /** The primitive double kind. */
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57 Double('d', "double", 2, false, java.lang.Double.TYPE, java.lang.Double.class),
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58
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59 /** The Object kind, also used for arrays. */
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60 Object('a', "Object", 1, false, null, null),
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61
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62 /** The void float kind. */
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63 Void('v', "void", 0, false, java.lang.Void.TYPE, java.lang.Void.class),
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64
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65 /** The non-type. */
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66 Illegal('-', "illegal", 0, false, null, null);
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67
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68 private final char typeChar;
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69 private final String javaName;
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70 private final boolean isStackInt;
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71 private final Class<?> primitiveJavaClass;
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72 private final Class<?> boxedJavaClass;
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73 private final EnumKey key = new EnumKey(this);
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74 private final int slotCount;
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75
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76 private Kind(char typeChar, String javaName, int slotCount, boolean isStackInt, Class<?> primitiveJavaClass, Class<?> boxedJavaClass) {
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77 this.typeChar = typeChar;
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78 this.javaName = javaName;
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79 this.slotCount = slotCount;
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80 this.isStackInt = isStackInt;
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81 this.primitiveJavaClass = primitiveJavaClass;
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82 this.boxedJavaClass = boxedJavaClass;
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83 assert primitiveJavaClass == null || javaName.equals(primitiveJavaClass.getName());
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84 }
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85
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86 /**
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87 * Returns the number of stack slots occupied by this kind according to the Java bytecodes
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88 * specification.
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89 */
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90 public int getSlotCount() {
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91 return this.slotCount;
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92 }
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93
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94 /**
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95 * Returns whether this kind occupied two stack slots.
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96 */
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97 public boolean needsTwoSlots() {
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98 return this.slotCount == 2;
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99 }
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100
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101 /**
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102 * Returns the name of the kind as a single character.
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103 */
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104 public char getTypeChar() {
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105 return typeChar;
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106 }
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108 /**
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109 * Returns the name of this kind which will also be it Java programming language name if it is
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110 * {@linkplain #isPrimitive() primitive} or {@code void}.
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111 */
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112 public String getJavaName() {
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113 return javaName;
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114 }
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115
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116 public Key getKey() {
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117 return key;
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diff changeset
118 }
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diff changeset
119
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120 /**
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121 * Checks whether this type is a Java primitive type.
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122 *
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123 * @return {@code true} if this is {@link #Boolean}, {@link #Byte}, {@link #Char},
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124 * {@link #Short}, {@link #Int}, {@link #Long}, {@link #Float}, {@link #Double}, or
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125 * {@link #Void}.
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126 */
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127 public boolean isPrimitive() {
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128 return primitiveJavaClass != null;
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129 }
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130
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131 /**
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132 * Returns the kind that represents this kind when on the Java operand stack.
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133 *
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134 * @return the kind used on the operand stack
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135 */
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136 public Kind getStackKind() {
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137 if (isStackInt) {
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138 return Int;
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139 }
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140 return this;
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141 }
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142
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143 /**
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144 * Checks whether this type is a Java primitive type representing an integer number.
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145 *
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146 * @return {@code true} if the stack kind is {@link #Int} or {@link #Long}.
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147 */
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148 public boolean isNumericInteger() {
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149 return isStackInt || this == Kind.Long;
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150 }
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151
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diff changeset
152 /**
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153 * Checks whether this type is a Java primitive type representing an unsigned number.
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154 *
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155 * @return {@code true} if the kind is {@link #Boolean} or {@link #Char}.
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156 */
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157 public boolean isUnsigned() {
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158 return this == Kind.Boolean || this == Kind.Char;
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159 }
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160
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diff changeset
161 /**
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162 * Checks whether this type is a Java primitive type representing a floating point number.
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163 *
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164 * @return {@code true} if this is {@link #Float} or {@link #Double}.
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165 */
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166 public boolean isNumericFloat() {
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167 return this == Kind.Float || this == Kind.Double;
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168 }
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169
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diff changeset
170 /**
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171 * Checks whether this represent an Object of some sort.
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172 *
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173 * @return {@code true} if this is {@link #Object}.
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174 */
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175 public boolean isObject() {
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82e4fe6fa525 Remove all references to NarrowOop from VM independent code.
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diff changeset
176 return this == Kind.Object;
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177 }
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178
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diff changeset
179 /**
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180 * Returns the kind corresponding to the Java type string.
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181 *
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182 * @param typeString the Java type string
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183 * @return the kind
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184 */
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185 public static Kind fromTypeString(String typeString) {
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186 assert typeString.length() > 0;
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187 final char first = typeString.charAt(0);
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188 if (first == '[' || first == 'L') {
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189 return Kind.Object;
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190 }
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191 return Kind.fromPrimitiveOrVoidTypeChar(first);
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192 }
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193
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194 /**
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195 * Returns the kind of a word given the size of a word in bytes.
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196 *
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197 * @param wordSizeInBytes the size of a word in bytes
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diff changeset
198 * @return the kind representing a word value
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199 */
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200 public static Kind fromWordSize(int wordSizeInBytes) {
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diff changeset
201 if (wordSizeInBytes == 8) {
f3fcc94f7120 Clean up and remove TODO.
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202 return Kind.Long;
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203 } else {
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204 assert wordSizeInBytes == 4 : "Unsupported word size!";
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205 return Kind.Int;
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206 }
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207 }
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208
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diff changeset
209 /**
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210 * Returns the kind from the character describing a primitive or void.
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211 *
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212 * @param ch the character
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213 * @return the kind
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214 */
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215 public static Kind fromPrimitiveOrVoidTypeChar(char ch) {
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216 switch (ch) {
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217 case 'Z':
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218 return Boolean;
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diff changeset
219 case 'C':
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diff changeset
220 return Char;
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diff changeset
221 case 'F':
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diff changeset
222 return Float;
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diff changeset
223 case 'D':
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224 return Double;
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diff changeset
225 case 'B':
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diff changeset
226 return Byte;
6e66d97a16ae Clean up Kind class.
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diff changeset
227 case 'S':
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228 return Short;
6e66d97a16ae Clean up Kind class.
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diff changeset
229 case 'I':
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diff changeset
230 return Int;
6e66d97a16ae Clean up Kind class.
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diff changeset
231 case 'J':
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diff changeset
232 return Long;
6e66d97a16ae Clean up Kind class.
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diff changeset
233 case 'V':
6e66d97a16ae Clean up Kind class.
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diff changeset
234 return Void;
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235 }
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diff changeset
236 throw new IllegalArgumentException("unknown primitive or void type character: " + ch);
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237 }
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238
6328
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diff changeset
239 /**
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240 * Returns the Kind representing the given Java class.
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diff changeset
241 *
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diff changeset
242 * @param klass the class
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243 * @return the kind
8f820c815cc2 Add conversion from java.lang.Class to Kind
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diff changeset
244 */
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diff changeset
245 public static Kind fromJavaClass(Class<?> klass) {
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diff changeset
246 if (klass == Boolean.primitiveJavaClass) {
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diff changeset
247 return Boolean;
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diff changeset
248 } else if (klass == Byte.primitiveJavaClass) {
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diff changeset
249 return Byte;
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diff changeset
250 } else if (klass == Short.primitiveJavaClass) {
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diff changeset
251 return Short;
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diff changeset
252 } else if (klass == Char.primitiveJavaClass) {
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diff changeset
253 return Char;
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diff changeset
254 } else if (klass == Int.primitiveJavaClass) {
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diff changeset
255 return Int;
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diff changeset
256 } else if (klass == Long.primitiveJavaClass) {
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diff changeset
257 return Long;
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258 } else if (klass == Float.primitiveJavaClass) {
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259 return Float;
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260 } else if (klass == Double.primitiveJavaClass) {
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261 return Double;
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262 } else if (klass == Void.primitiveJavaClass) {
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263 return Void;
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264 } else {
8f820c815cc2 Add conversion from java.lang.Class to Kind
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265 return Object;
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266 }
8f820c815cc2 Add conversion from java.lang.Class to Kind
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267 }
8f820c815cc2 Add conversion from java.lang.Class to Kind
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268
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diff changeset
269 /**
6328
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270 * Returns the Java class representing this kind.
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271 *
6328
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272 * @return the Java class
6e66d97a16ae Clean up Kind class.
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273 */
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274 public Class<?> toJavaClass() {
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e23980f4a890 Cleanup of Kind class: remove isXxx methods
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diff changeset
275 return primitiveJavaClass;
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276 }
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277
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diff changeset
278 /**
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diff changeset
279 * Returns the Java class for instances of boxed values of this kind.
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diff changeset
280 *
6328
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diff changeset
281 * @return the Java class
6e66d97a16ae Clean up Kind class.
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282 */
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283 public Class<?> toBoxedJavaClass() {
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284 return boxedJavaClass;
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285 }
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286
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parents:
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287 /**
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parents:
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288 * Converts this value type to a string.
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289 */
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290 @Override
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291 public String toString() {
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292 return javaName;
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parents:
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293 }
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parents:
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294
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parents:
diff changeset
295 /**
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diff changeset
296 * Marker interface for types that should be {@linkplain Kind#format(Object) formatted} with
13901
45f9dbb93988 modified Kind.format() to avoid calling any user code (JBS:GRAAL-14)
Doug Simon <doug.simon@oracle.com>
parents: 13893
diff changeset
297 * their {@link Object#toString()} value. Calling {@link Object#toString()} on other objects
45f9dbb93988 modified Kind.format() to avoid calling any user code (JBS:GRAAL-14)
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diff changeset
298 * poses a security risk because it can potentially call user code.
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diff changeset
299 */
6328
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diff changeset
300 public interface FormatWithToString {
6e66d97a16ae Clean up Kind class.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 6313
diff changeset
301 }
3733
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parents:
diff changeset
302
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
303 /**
13901
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Doug Simon <doug.simon@oracle.com>
parents: 13893
diff changeset
304 * Classes for which invoking {@link Object#toString()} does not run user code.
45f9dbb93988 modified Kind.format() to avoid calling any user code (JBS:GRAAL-14)
Doug Simon <doug.simon@oracle.com>
parents: 13893
diff changeset
305 */
15040
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diff changeset
306 private static boolean isToStringSafe(Class<?> c) {
13901
45f9dbb93988 modified Kind.format() to avoid calling any user code (JBS:GRAAL-14)
Doug Simon <doug.simon@oracle.com>
parents: 13893
diff changeset
307 return c == Boolean.class || c == Byte.class || c == Character.class || c == Short.class || c == Integer.class || c == Float.class || c == Long.class || c == Double.class;
45f9dbb93988 modified Kind.format() to avoid calling any user code (JBS:GRAAL-14)
Doug Simon <doug.simon@oracle.com>
parents: 13893
diff changeset
308 }
45f9dbb93988 modified Kind.format() to avoid calling any user code (JBS:GRAAL-14)
Doug Simon <doug.simon@oracle.com>
parents: 13893
diff changeset
309
45f9dbb93988 modified Kind.format() to avoid calling any user code (JBS:GRAAL-14)
Doug Simon <doug.simon@oracle.com>
parents: 13893
diff changeset
310 /**
3733
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parents:
diff changeset
311 * Gets a formatted string for a given value of this kind.
15040
288c23143d47 Fix most raw type references.
Josef Eisl <josef.eisl@jku.at>
parents: 14563
diff changeset
312 *
3733
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
313 * @param value a value of this kind
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
314 * @return a formatted string for {@code value} based on this kind
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
315 */
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parents:
diff changeset
316 public String format(Object value) {
13901
45f9dbb93988 modified Kind.format() to avoid calling any user code (JBS:GRAAL-14)
Doug Simon <doug.simon@oracle.com>
parents: 13893
diff changeset
317 if (isPrimitive()) {
45f9dbb93988 modified Kind.format() to avoid calling any user code (JBS:GRAAL-14)
Doug Simon <doug.simon@oracle.com>
parents: 13893
diff changeset
318 assert isToStringSafe(value.getClass());
45f9dbb93988 modified Kind.format() to avoid calling any user code (JBS:GRAAL-14)
Doug Simon <doug.simon@oracle.com>
parents: 13893
diff changeset
319 return value.toString();
45f9dbb93988 modified Kind.format() to avoid calling any user code (JBS:GRAAL-14)
Doug Simon <doug.simon@oracle.com>
parents: 13893
diff changeset
320 } else {
3733
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
321 if (value == null) {
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parents:
diff changeset
322 return "null";
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parents:
diff changeset
323 } else {
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parents:
diff changeset
324 if (value instanceof String) {
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parents:
diff changeset
325 String s = (String) value;
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parents:
diff changeset
326 if (s.length() > 50) {
5793
6c80d73cf81a added prefix to formatted object Constants to denote the type of the constant
Doug Simon <doug.simon@oracle.com>
parents: 5545
diff changeset
327 return "String:\"" + s.substring(0, 30) + "...\"";
3733
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parents:
diff changeset
328 } else {
5793
6c80d73cf81a added prefix to formatted object Constants to denote the type of the constant
Doug Simon <doug.simon@oracle.com>
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diff changeset
329 return "String:\"" + s + '"';
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parents:
diff changeset
330 }
5541
b4c406861c33 More renamings to drop Ri* prefix completely. Deleted graph.BitMap class and replaced with java.util.BitSet.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 5540
diff changeset
331 } else if (value instanceof JavaType) {
16479
558cf39c646b moved toJavaName(JavaType type) from MetaUtil to be a default method in JavaType
Doug Simon <doug.simon@oracle.com>
parents: 16012
diff changeset
332 return "JavaType:" + ((JavaType) value).toJavaName();
13901
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Doug Simon <doug.simon@oracle.com>
parents: 13893
diff changeset
333 } else if (value instanceof Enum) {
15040
288c23143d47 Fix most raw type references.
Josef Eisl <josef.eisl@jku.at>
parents: 14563
diff changeset
334 return MetaUtil.getSimpleName(value.getClass(), true) + ":" + ((Enum<?>) value).name();
13901
45f9dbb93988 modified Kind.format() to avoid calling any user code (JBS:GRAAL-14)
Doug Simon <doug.simon@oracle.com>
parents: 13893
diff changeset
335 } else if (value instanceof FormatWithToString) {
5793
6c80d73cf81a added prefix to formatted object Constants to denote the type of the constant
Doug Simon <doug.simon@oracle.com>
parents: 5545
diff changeset
336 return MetaUtil.getSimpleName(value.getClass(), true) + ":" + String.valueOf(value);
7530
5e3d1a68664e applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
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diff changeset
337 } else if (value instanceof Class<?>) {
5e3d1a68664e applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents: 7099
diff changeset
338 return "Class:" + ((Class<?>) value).getName();
13901
45f9dbb93988 modified Kind.format() to avoid calling any user code (JBS:GRAAL-14)
Doug Simon <doug.simon@oracle.com>
parents: 13893
diff changeset
339 } else if (isToStringSafe(value.getClass())) {
45f9dbb93988 modified Kind.format() to avoid calling any user code (JBS:GRAAL-14)
Doug Simon <doug.simon@oracle.com>
parents: 13893
diff changeset
340 return value.toString();
5363
1d760684d958 expanded formatting of array CiConstants to show contents of the array
Doug Simon <doug.simon@oracle.com>
parents: 5349
diff changeset
341 } else if (value.getClass().isArray()) {
1d760684d958 expanded formatting of array CiConstants to show contents of the array
Doug Simon <doug.simon@oracle.com>
parents: 5349
diff changeset
342 return formatArray(value);
3733
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
343 } else {
5541
b4c406861c33 More renamings to drop Ri* prefix completely. Deleted graph.BitMap class and replaced with java.util.BitSet.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 5540
diff changeset
344 return MetaUtil.getSimpleName(value.getClass(), true) + "@" + System.identityHashCode(value);
3733
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parents:
diff changeset
345 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
346 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
347 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
348 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
349
6328
6e66d97a16ae Clean up Kind class.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 6313
diff changeset
350 private static final int MAX_FORMAT_ARRAY_LENGTH = 5;
5363
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diff changeset
351
1d760684d958 expanded formatting of array CiConstants to show contents of the array
Doug Simon <doug.simon@oracle.com>
parents: 5349
diff changeset
352 private static String formatArray(Object array) {
7530
5e3d1a68664e applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents: 7099
diff changeset
353 Class<?> componentType = array.getClass().getComponentType();
5363
1d760684d958 expanded formatting of array CiConstants to show contents of the array
Doug Simon <doug.simon@oracle.com>
parents: 5349
diff changeset
354 assert componentType != null;
1d760684d958 expanded formatting of array CiConstants to show contents of the array
Doug Simon <doug.simon@oracle.com>
parents: 5349
diff changeset
355 int arrayLength = Array.getLength(array);
6328
6e66d97a16ae Clean up Kind class.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 6313
diff changeset
356 StringBuilder buf = new StringBuilder(MetaUtil.getSimpleName(componentType, true)).append('[').append(arrayLength).append("]{");
5363
1d760684d958 expanded formatting of array CiConstants to show contents of the array
Doug Simon <doug.simon@oracle.com>
parents: 5349
diff changeset
357 int length = Math.min(MAX_FORMAT_ARRAY_LENGTH, arrayLength);
1d760684d958 expanded formatting of array CiConstants to show contents of the array
Doug Simon <doug.simon@oracle.com>
parents: 5349
diff changeset
358 boolean primitive = componentType.isPrimitive();
1d760684d958 expanded formatting of array CiConstants to show contents of the array
Doug Simon <doug.simon@oracle.com>
parents: 5349
diff changeset
359 for (int i = 0; i < length; i++) {
1d760684d958 expanded formatting of array CiConstants to show contents of the array
Doug Simon <doug.simon@oracle.com>
parents: 5349
diff changeset
360 if (primitive) {
1d760684d958 expanded formatting of array CiConstants to show contents of the array
Doug Simon <doug.simon@oracle.com>
parents: 5349
diff changeset
361 buf.append(Array.get(array, i));
1d760684d958 expanded formatting of array CiConstants to show contents of the array
Doug Simon <doug.simon@oracle.com>
parents: 5349
diff changeset
362 } else {
1d760684d958 expanded formatting of array CiConstants to show contents of the array
Doug Simon <doug.simon@oracle.com>
parents: 5349
diff changeset
363 Object o = ((Object[]) array)[i];
5540
a891c53a295b Renaming RiKind => Kind.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 5538
diff changeset
364 buf.append(Kind.Object.format(o));
5363
1d760684d958 expanded formatting of array CiConstants to show contents of the array
Doug Simon <doug.simon@oracle.com>
parents: 5349
diff changeset
365 }
1d760684d958 expanded formatting of array CiConstants to show contents of the array
Doug Simon <doug.simon@oracle.com>
parents: 5349
diff changeset
366 if (i != length - 1) {
1d760684d958 expanded formatting of array CiConstants to show contents of the array
Doug Simon <doug.simon@oracle.com>
parents: 5349
diff changeset
367 buf.append(", ");
1d760684d958 expanded formatting of array CiConstants to show contents of the array
Doug Simon <doug.simon@oracle.com>
parents: 5349
diff changeset
368 }
1d760684d958 expanded formatting of array CiConstants to show contents of the array
Doug Simon <doug.simon@oracle.com>
parents: 5349
diff changeset
369 }
1d760684d958 expanded formatting of array CiConstants to show contents of the array
Doug Simon <doug.simon@oracle.com>
parents: 5349
diff changeset
370 if (arrayLength != length) {
1d760684d958 expanded formatting of array CiConstants to show contents of the array
Doug Simon <doug.simon@oracle.com>
parents: 5349
diff changeset
371 buf.append(", ...");
1d760684d958 expanded formatting of array CiConstants to show contents of the array
Doug Simon <doug.simon@oracle.com>
parents: 5349
diff changeset
372 }
1d760684d958 expanded formatting of array CiConstants to show contents of the array
Doug Simon <doug.simon@oracle.com>
parents: 5349
diff changeset
373 return buf.append('}').toString();
1d760684d958 expanded formatting of array CiConstants to show contents of the array
Doug Simon <doug.simon@oracle.com>
parents: 5349
diff changeset
374 }
1d760684d958 expanded formatting of array CiConstants to show contents of the array
Doug Simon <doug.simon@oracle.com>
parents: 5349
diff changeset
375
6328
6e66d97a16ae Clean up Kind class.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 6313
diff changeset
376 /**
6e66d97a16ae Clean up Kind class.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 6313
diff changeset
377 * The minimum value that can be represented as a value of this kind.
15040
288c23143d47 Fix most raw type references.
Josef Eisl <josef.eisl@jku.at>
parents: 14563
diff changeset
378 *
6328
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diff changeset
379 * @return the minimum value
6e66d97a16ae Clean up Kind class.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 6313
diff changeset
380 */
6e66d97a16ae Clean up Kind class.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 6313
diff changeset
381 public long getMinValue() {
5441
ab31310d4af9 CiKind.minValue and CiKind.maxValue for integer types
Lukas Stadler <lukas.stadler@jku.at>
parents: 5363
diff changeset
382 switch (this) {
ab31310d4af9 CiKind.minValue and CiKind.maxValue for integer types
Lukas Stadler <lukas.stadler@jku.at>
parents: 5363
diff changeset
383 case Boolean:
ab31310d4af9 CiKind.minValue and CiKind.maxValue for integer types
Lukas Stadler <lukas.stadler@jku.at>
parents: 5363
diff changeset
384 return 0;
ab31310d4af9 CiKind.minValue and CiKind.maxValue for integer types
Lukas Stadler <lukas.stadler@jku.at>
parents: 5363
diff changeset
385 case Byte:
ab31310d4af9 CiKind.minValue and CiKind.maxValue for integer types
Lukas Stadler <lukas.stadler@jku.at>
parents: 5363
diff changeset
386 return java.lang.Byte.MIN_VALUE;
ab31310d4af9 CiKind.minValue and CiKind.maxValue for integer types
Lukas Stadler <lukas.stadler@jku.at>
parents: 5363
diff changeset
387 case Char:
ab31310d4af9 CiKind.minValue and CiKind.maxValue for integer types
Lukas Stadler <lukas.stadler@jku.at>
parents: 5363
diff changeset
388 return java.lang.Character.MIN_VALUE;
ab31310d4af9 CiKind.minValue and CiKind.maxValue for integer types
Lukas Stadler <lukas.stadler@jku.at>
parents: 5363
diff changeset
389 case Short:
ab31310d4af9 CiKind.minValue and CiKind.maxValue for integer types
Lukas Stadler <lukas.stadler@jku.at>
parents: 5363
diff changeset
390 return java.lang.Short.MIN_VALUE;
ab31310d4af9 CiKind.minValue and CiKind.maxValue for integer types
Lukas Stadler <lukas.stadler@jku.at>
parents: 5363
diff changeset
391 case Int:
ab31310d4af9 CiKind.minValue and CiKind.maxValue for integer types
Lukas Stadler <lukas.stadler@jku.at>
parents: 5363
diff changeset
392 return java.lang.Integer.MIN_VALUE;
ab31310d4af9 CiKind.minValue and CiKind.maxValue for integer types
Lukas Stadler <lukas.stadler@jku.at>
parents: 5363
diff changeset
393 case Long:
ab31310d4af9 CiKind.minValue and CiKind.maxValue for integer types
Lukas Stadler <lukas.stadler@jku.at>
parents: 5363
diff changeset
394 return java.lang.Long.MIN_VALUE;
ab31310d4af9 CiKind.minValue and CiKind.maxValue for integer types
Lukas Stadler <lukas.stadler@jku.at>
parents: 5363
diff changeset
395 default:
ab31310d4af9 CiKind.minValue and CiKind.maxValue for integer types
Lukas Stadler <lukas.stadler@jku.at>
parents: 5363
diff changeset
396 throw new IllegalArgumentException("illegal call to minValue on " + this);
ab31310d4af9 CiKind.minValue and CiKind.maxValue for integer types
Lukas Stadler <lukas.stadler@jku.at>
parents: 5363
diff changeset
397 }
ab31310d4af9 CiKind.minValue and CiKind.maxValue for integer types
Lukas Stadler <lukas.stadler@jku.at>
parents: 5363
diff changeset
398 }
ab31310d4af9 CiKind.minValue and CiKind.maxValue for integer types
Lukas Stadler <lukas.stadler@jku.at>
parents: 5363
diff changeset
399
6328
6e66d97a16ae Clean up Kind class.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 6313
diff changeset
400 /**
6e66d97a16ae Clean up Kind class.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 6313
diff changeset
401 * The maximum value that can be represented as a value of this kind.
15040
288c23143d47 Fix most raw type references.
Josef Eisl <josef.eisl@jku.at>
parents: 14563
diff changeset
402 *
6328
6e66d97a16ae Clean up Kind class.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 6313
diff changeset
403 * @return the maximum value
6e66d97a16ae Clean up Kind class.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 6313
diff changeset
404 */
6e66d97a16ae Clean up Kind class.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 6313
diff changeset
405 public long getMaxValue() {
5441
ab31310d4af9 CiKind.minValue and CiKind.maxValue for integer types
Lukas Stadler <lukas.stadler@jku.at>
parents: 5363
diff changeset
406 switch (this) {
ab31310d4af9 CiKind.minValue and CiKind.maxValue for integer types
Lukas Stadler <lukas.stadler@jku.at>
parents: 5363
diff changeset
407 case Boolean:
ab31310d4af9 CiKind.minValue and CiKind.maxValue for integer types
Lukas Stadler <lukas.stadler@jku.at>
parents: 5363
diff changeset
408 return 1;
ab31310d4af9 CiKind.minValue and CiKind.maxValue for integer types
Lukas Stadler <lukas.stadler@jku.at>
parents: 5363
diff changeset
409 case Byte:
ab31310d4af9 CiKind.minValue and CiKind.maxValue for integer types
Lukas Stadler <lukas.stadler@jku.at>
parents: 5363
diff changeset
410 return java.lang.Byte.MAX_VALUE;
ab31310d4af9 CiKind.minValue and CiKind.maxValue for integer types
Lukas Stadler <lukas.stadler@jku.at>
parents: 5363
diff changeset
411 case Char:
ab31310d4af9 CiKind.minValue and CiKind.maxValue for integer types
Lukas Stadler <lukas.stadler@jku.at>
parents: 5363
diff changeset
412 return java.lang.Character.MAX_VALUE;
ab31310d4af9 CiKind.minValue and CiKind.maxValue for integer types
Lukas Stadler <lukas.stadler@jku.at>
parents: 5363
diff changeset
413 case Short:
ab31310d4af9 CiKind.minValue and CiKind.maxValue for integer types
Lukas Stadler <lukas.stadler@jku.at>
parents: 5363
diff changeset
414 return java.lang.Short.MAX_VALUE;
ab31310d4af9 CiKind.minValue and CiKind.maxValue for integer types
Lukas Stadler <lukas.stadler@jku.at>
parents: 5363
diff changeset
415 case Int:
ab31310d4af9 CiKind.minValue and CiKind.maxValue for integer types
Lukas Stadler <lukas.stadler@jku.at>
parents: 5363
diff changeset
416 return java.lang.Integer.MAX_VALUE;
ab31310d4af9 CiKind.minValue and CiKind.maxValue for integer types
Lukas Stadler <lukas.stadler@jku.at>
parents: 5363
diff changeset
417 case Long:
ab31310d4af9 CiKind.minValue and CiKind.maxValue for integer types
Lukas Stadler <lukas.stadler@jku.at>
parents: 5363
diff changeset
418 return java.lang.Long.MAX_VALUE;
ab31310d4af9 CiKind.minValue and CiKind.maxValue for integer types
Lukas Stadler <lukas.stadler@jku.at>
parents: 5363
diff changeset
419 default:
ab31310d4af9 CiKind.minValue and CiKind.maxValue for integer types
Lukas Stadler <lukas.stadler@jku.at>
parents: 5363
diff changeset
420 throw new IllegalArgumentException("illegal call to maxValue on " + this);
ab31310d4af9 CiKind.minValue and CiKind.maxValue for integer types
Lukas Stadler <lukas.stadler@jku.at>
parents: 5363
diff changeset
421 }
ab31310d4af9 CiKind.minValue and CiKind.maxValue for integer types
Lukas Stadler <lukas.stadler@jku.at>
parents: 5363
diff changeset
422 }
ab31310d4af9 CiKind.minValue and CiKind.maxValue for integer types
Lukas Stadler <lukas.stadler@jku.at>
parents: 5363
diff changeset
423
6328
6e66d97a16ae Clean up Kind class.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 6313
diff changeset
424 /**
13966
be0d961e3a88 New methods for querying memory usage of individual objects and object graphs in Graal API (MetaAccessProvider#getMemorySize, MetaUtil#getMemorySizeRecursive).
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 13901
diff changeset
425 * Number of bytes that are necessary to represent a value of this kind.
15040
288c23143d47 Fix most raw type references.
Josef Eisl <josef.eisl@jku.at>
parents: 14563
diff changeset
426 *
13966
be0d961e3a88 New methods for querying memory usage of individual objects and object graphs in Graal API (MetaAccessProvider#getMemorySize, MetaUtil#getMemorySizeRecursive).
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 13901
diff changeset
427 * @return the number of bytes
be0d961e3a88 New methods for querying memory usage of individual objects and object graphs in Graal API (MetaAccessProvider#getMemorySize, MetaUtil#getMemorySizeRecursive).
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 13901
diff changeset
428 */
be0d961e3a88 New methods for querying memory usage of individual objects and object graphs in Graal API (MetaAccessProvider#getMemorySize, MetaUtil#getMemorySizeRecursive).
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 13901
diff changeset
429 public int getByteCount() {
be0d961e3a88 New methods for querying memory usage of individual objects and object graphs in Graal API (MetaAccessProvider#getMemorySize, MetaUtil#getMemorySizeRecursive).
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 13901
diff changeset
430 if (this == Boolean) {
be0d961e3a88 New methods for querying memory usage of individual objects and object graphs in Graal API (MetaAccessProvider#getMemorySize, MetaUtil#getMemorySizeRecursive).
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 13901
diff changeset
431 return 1;
be0d961e3a88 New methods for querying memory usage of individual objects and object graphs in Graal API (MetaAccessProvider#getMemorySize, MetaUtil#getMemorySizeRecursive).
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 13901
diff changeset
432 } else {
be0d961e3a88 New methods for querying memory usage of individual objects and object graphs in Graal API (MetaAccessProvider#getMemorySize, MetaUtil#getMemorySizeRecursive).
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 13901
diff changeset
433 return getBitCount() >> 3;
be0d961e3a88 New methods for querying memory usage of individual objects and object graphs in Graal API (MetaAccessProvider#getMemorySize, MetaUtil#getMemorySizeRecursive).
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 13901
diff changeset
434 }
be0d961e3a88 New methods for querying memory usage of individual objects and object graphs in Graal API (MetaAccessProvider#getMemorySize, MetaUtil#getMemorySizeRecursive).
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 13901
diff changeset
435 }
be0d961e3a88 New methods for querying memory usage of individual objects and object graphs in Graal API (MetaAccessProvider#getMemorySize, MetaUtil#getMemorySizeRecursive).
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 13901
diff changeset
436
be0d961e3a88 New methods for querying memory usage of individual objects and object graphs in Graal API (MetaAccessProvider#getMemorySize, MetaUtil#getMemorySizeRecursive).
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 13901
diff changeset
437 /**
6328
6e66d97a16ae Clean up Kind class.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 6313
diff changeset
438 * Number of bits that are necessary to represent a value of this kind.
15040
288c23143d47 Fix most raw type references.
Josef Eisl <josef.eisl@jku.at>
parents: 14563
diff changeset
439 *
6328
6e66d97a16ae Clean up Kind class.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 6313
diff changeset
440 * @return the number of bits
6e66d97a16ae Clean up Kind class.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 6313
diff changeset
441 */
6e66d97a16ae Clean up Kind class.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 6313
diff changeset
442 public int getBitCount() {
5874
f0d4304243ff Add intrinsics for (Long|Integer).(reverseBytes|numberOf(Trail|Lead)ingZeros)
Gilles Duboscq <duboscq@ssw.jku.at>
parents: 5793
diff changeset
443 switch (this) {
f0d4304243ff Add intrinsics for (Long|Integer).(reverseBytes|numberOf(Trail|Lead)ingZeros)
Gilles Duboscq <duboscq@ssw.jku.at>
parents: 5793
diff changeset
444 case Boolean:
f0d4304243ff Add intrinsics for (Long|Integer).(reverseBytes|numberOf(Trail|Lead)ingZeros)
Gilles Duboscq <duboscq@ssw.jku.at>
parents: 5793
diff changeset
445 return 1;
f0d4304243ff Add intrinsics for (Long|Integer).(reverseBytes|numberOf(Trail|Lead)ingZeros)
Gilles Duboscq <duboscq@ssw.jku.at>
parents: 5793
diff changeset
446 case Byte:
f0d4304243ff Add intrinsics for (Long|Integer).(reverseBytes|numberOf(Trail|Lead)ingZeros)
Gilles Duboscq <duboscq@ssw.jku.at>
parents: 5793
diff changeset
447 return 8;
f0d4304243ff Add intrinsics for (Long|Integer).(reverseBytes|numberOf(Trail|Lead)ingZeros)
Gilles Duboscq <duboscq@ssw.jku.at>
parents: 5793
diff changeset
448 case Char:
f0d4304243ff Add intrinsics for (Long|Integer).(reverseBytes|numberOf(Trail|Lead)ingZeros)
Gilles Duboscq <duboscq@ssw.jku.at>
parents: 5793
diff changeset
449 case Short:
f0d4304243ff Add intrinsics for (Long|Integer).(reverseBytes|numberOf(Trail|Lead)ingZeros)
Gilles Duboscq <duboscq@ssw.jku.at>
parents: 5793
diff changeset
450 return 16;
9785
ecd5cd2806e8 Relax assertion for virtual array component kind.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 9422
diff changeset
451 case Float:
ecd5cd2806e8 Relax assertion for virtual array component kind.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 9422
diff changeset
452 return 32;
5874
f0d4304243ff Add intrinsics for (Long|Integer).(reverseBytes|numberOf(Trail|Lead)ingZeros)
Gilles Duboscq <duboscq@ssw.jku.at>
parents: 5793
diff changeset
453 case Int:
f0d4304243ff Add intrinsics for (Long|Integer).(reverseBytes|numberOf(Trail|Lead)ingZeros)
Gilles Duboscq <duboscq@ssw.jku.at>
parents: 5793
diff changeset
454 return 32;
9785
ecd5cd2806e8 Relax assertion for virtual array component kind.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 9422
diff changeset
455 case Double:
ecd5cd2806e8 Relax assertion for virtual array component kind.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 9422
diff changeset
456 return 64;
5874
f0d4304243ff Add intrinsics for (Long|Integer).(reverseBytes|numberOf(Trail|Lead)ingZeros)
Gilles Duboscq <duboscq@ssw.jku.at>
parents: 5793
diff changeset
457 case Long:
f0d4304243ff Add intrinsics for (Long|Integer).(reverseBytes|numberOf(Trail|Lead)ingZeros)
Gilles Duboscq <duboscq@ssw.jku.at>
parents: 5793
diff changeset
458 return 64;
f0d4304243ff Add intrinsics for (Long|Integer).(reverseBytes|numberOf(Trail|Lead)ingZeros)
Gilles Duboscq <duboscq@ssw.jku.at>
parents: 5793
diff changeset
459 default:
f0d4304243ff Add intrinsics for (Long|Integer).(reverseBytes|numberOf(Trail|Lead)ingZeros)
Gilles Duboscq <duboscq@ssw.jku.at>
parents: 5793
diff changeset
460 throw new IllegalArgumentException("illegal call to bits on " + this);
f0d4304243ff Add intrinsics for (Long|Integer).(reverseBytes|numberOf(Trail|Lead)ingZeros)
Gilles Duboscq <duboscq@ssw.jku.at>
parents: 5793
diff changeset
461 }
f0d4304243ff Add intrinsics for (Long|Integer).(reverseBytes|numberOf(Trail|Lead)ingZeros)
Gilles Duboscq <duboscq@ssw.jku.at>
parents: 5793
diff changeset
462 }
16012
0497ead7ec50 Support null check directly on compressed oops.
Roland Schatz <roland.schatz@oracle.com>
parents: 15040
diff changeset
463
18187
9619ba4daf4c Rename Constant to JavaConstant.
Roland Schatz <roland.schatz@oracle.com>
parents: 16479
diff changeset
464 public JavaConstant getDefaultValue() {
16012
0497ead7ec50 Support null check directly on compressed oops.
Roland Schatz <roland.schatz@oracle.com>
parents: 15040
diff changeset
465 switch (this) {
0497ead7ec50 Support null check directly on compressed oops.
Roland Schatz <roland.schatz@oracle.com>
parents: 15040
diff changeset
466 case Boolean:
18187
9619ba4daf4c Rename Constant to JavaConstant.
Roland Schatz <roland.schatz@oracle.com>
parents: 16479
diff changeset
467 return JavaConstant.FALSE;
16012
0497ead7ec50 Support null check directly on compressed oops.
Roland Schatz <roland.schatz@oracle.com>
parents: 15040
diff changeset
468 case Int:
18187
9619ba4daf4c Rename Constant to JavaConstant.
Roland Schatz <roland.schatz@oracle.com>
parents: 16479
diff changeset
469 return JavaConstant.INT_0;
16012
0497ead7ec50 Support null check directly on compressed oops.
Roland Schatz <roland.schatz@oracle.com>
parents: 15040
diff changeset
470 case Long:
18187
9619ba4daf4c Rename Constant to JavaConstant.
Roland Schatz <roland.schatz@oracle.com>
parents: 16479
diff changeset
471 return JavaConstant.LONG_0;
16012
0497ead7ec50 Support null check directly on compressed oops.
Roland Schatz <roland.schatz@oracle.com>
parents: 15040
diff changeset
472 case Float:
18187
9619ba4daf4c Rename Constant to JavaConstant.
Roland Schatz <roland.schatz@oracle.com>
parents: 16479
diff changeset
473 return JavaConstant.FLOAT_0;
16012
0497ead7ec50 Support null check directly on compressed oops.
Roland Schatz <roland.schatz@oracle.com>
parents: 15040
diff changeset
474 case Double:
18187
9619ba4daf4c Rename Constant to JavaConstant.
Roland Schatz <roland.schatz@oracle.com>
parents: 16479
diff changeset
475 return JavaConstant.DOUBLE_0;
16012
0497ead7ec50 Support null check directly on compressed oops.
Roland Schatz <roland.schatz@oracle.com>
parents: 15040
diff changeset
476 case Object:
18490
ca81508f2a19 Generalize NULL handling to work on arbitrary pointers.
Roland Schatz <roland.schatz@oracle.com>
parents: 18187
diff changeset
477 return JavaConstant.NULL_POINTER;
16012
0497ead7ec50 Support null check directly on compressed oops.
Roland Schatz <roland.schatz@oracle.com>
parents: 15040
diff changeset
478 case Byte:
0497ead7ec50 Support null check directly on compressed oops.
Roland Schatz <roland.schatz@oracle.com>
parents: 15040
diff changeset
479 case Char:
0497ead7ec50 Support null check directly on compressed oops.
Roland Schatz <roland.schatz@oracle.com>
parents: 15040
diff changeset
480 case Short:
0497ead7ec50 Support null check directly on compressed oops.
Roland Schatz <roland.schatz@oracle.com>
parents: 15040
diff changeset
481 return new PrimitiveConstant(this, 0);
0497ead7ec50 Support null check directly on compressed oops.
Roland Schatz <roland.schatz@oracle.com>
parents: 15040
diff changeset
482 default:
0497ead7ec50 Support null check directly on compressed oops.
Roland Schatz <roland.schatz@oracle.com>
parents: 15040
diff changeset
483 throw new IllegalArgumentException("illegal call to getDefaultValue on " + this);
0497ead7ec50 Support null check directly on compressed oops.
Roland Schatz <roland.schatz@oracle.com>
parents: 15040
diff changeset
484 }
0497ead7ec50 Support null check directly on compressed oops.
Roland Schatz <roland.schatz@oracle.com>
parents: 15040
diff changeset
485 }
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
486 }