Mercurial > hg > graal-compiler
annotate graal/com.oracle.jvmci.meta/src/com/oracle/jvmci/meta/Kind.java @ 21619:b14a218c5471
Fix in the dominator based conditional elimination for the corner case of a loop exit merge.
author | Thomas Wuerthinger <thomas.wuerthinger@oracle.com> |
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date | Sun, 31 May 2015 22:48:50 +0200 |
parents | 48c1ebd24120 |
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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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37 |
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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; |
13893 | 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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107 |
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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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118 } |
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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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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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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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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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176 return this == Kind.Object; |
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177 } |
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178 |
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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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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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201 if (wordSizeInBytes == 8) { |
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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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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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219 case 'C': |
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220 return Char; |
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221 case 'F': |
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222 return Float; |
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223 case 'D': |
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224 return Double; |
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225 case 'B': |
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226 return Byte; |
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227 case 'S': |
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228 return Short; |
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229 case 'I': |
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230 return Int; |
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231 case 'J': |
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232 return Long; |
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233 case 'V': |
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234 return Void; |
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235 } |
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236 throw new IllegalArgumentException("unknown primitive or void type character: " + ch); |
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237 } |
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238 |
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239 /** |
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240 * Returns the Kind representing the given Java class. |
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241 * |
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242 * @param klass the class |
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243 * @return the kind |
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244 */ |
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245 public static Kind fromJavaClass(Class<?> klass) { |
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246 if (klass == Boolean.primitiveJavaClass) { |
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247 return Boolean; |
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248 } else if (klass == Byte.primitiveJavaClass) { |
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249 return Byte; |
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250 } else if (klass == Short.primitiveJavaClass) { |
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251 return Short; |
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252 } else if (klass == Char.primitiveJavaClass) { |
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253 return Char; |
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254 } else if (klass == Int.primitiveJavaClass) { |
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255 return Int; |
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256 } else if (klass == Long.primitiveJavaClass) { |
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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 { |
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265 return Object; |
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266 } |
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267 } |
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268 |
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269 /** |
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270 * Returns the Java class representing this kind. |
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271 * |
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272 * @return the Java class |
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273 */ |
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274 public Class<?> toJavaClass() { |
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275 return primitiveJavaClass; |
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276 } |
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277 |
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278 /** |
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279 * Returns the Java class for instances of boxed values of this kind. |
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280 * |
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281 * @return the Java 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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287 /** |
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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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293 } |
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294 |
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295 /** |
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296 * Marker interface for types that should be {@linkplain Kind#format(Object) formatted} with |
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297 * their {@link Object#toString()} value. Calling {@link Object#toString()} on other objects |
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298 * poses a security risk because it can potentially call user code. |
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299 */ |
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300 public interface FormatWithToString { |
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301 } |
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302 |
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303 /** |
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304 * Classes for which invoking {@link Object#toString()} does not run user code. |
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305 */ |
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306 private static boolean isToStringSafe(Class<?> c) { |
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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; |
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308 } |
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309 |
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310 /** |
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311 * Gets a formatted string for a given value of this kind. |
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312 * |
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313 * @param value a value of this kind |
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314 * @return a formatted string for {@code value} based on this kind |
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315 */ |
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316 public String format(Object value) { |
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317 if (isPrimitive()) { |
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318 assert isToStringSafe(value.getClass()); |
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319 return value.toString(); |
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320 } else { |
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321 if (value == null) { |
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322 return "null"; |
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323 } else { |
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324 if (value instanceof String) { |
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325 String s = (String) value; |
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326 if (s.length() > 50) { |
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327 return "String:\"" + s.substring(0, 30) + "...\""; |
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328 } else { |
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329 return "String:\"" + s + '"'; |
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330 } |
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331 } else if (value instanceof JavaType) { |
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332 return "JavaType:" + ((JavaType) value).toJavaName(); |
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333 } else if (value instanceof Enum) { |
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334 return MetaUtil.getSimpleName(value.getClass(), true) + ":" + ((Enum<?>) value).name(); |
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335 } else if (value instanceof FormatWithToString) { |
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336 return MetaUtil.getSimpleName(value.getClass(), true) + ":" + String.valueOf(value); |
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337 } else if (value instanceof Class<?>) { |
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338 return "Class:" + ((Class<?>) value).getName(); |
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339 } else if (isToStringSafe(value.getClass())) { |
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340 return value.toString(); |
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341 } else if (value.getClass().isArray()) { |
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342 return formatArray(value); |
3733
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Added Java files from Maxine project.
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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:
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diff
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344 return MetaUtil.getSimpleName(value.getClass(), true) + "@" + System.identityHashCode(value); |
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diff
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|
345 } |
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diff
changeset
|
346 } |
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
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diff
changeset
|
347 } |
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diff
changeset
|
348 } |
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parents:
diff
changeset
|
349 |
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|
350 private static final int MAX_FORMAT_ARRAY_LENGTH = 5; |
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|
351 |
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|
352 private static String formatArray(Object array) { |
7530
5e3d1a68664e
applied mx eclipseformat to all Java files
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diff
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|
353 Class<?> componentType = array.getClass().getComponentType(); |
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354 assert componentType != null; |
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|
355 int arrayLength = Array.getLength(array); |
6328
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diff
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|
356 StringBuilder buf = new StringBuilder(MetaUtil.getSimpleName(componentType, true)).append('[').append(arrayLength).append("]{"); |
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357 int length = Math.min(MAX_FORMAT_ARRAY_LENGTH, arrayLength); |
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|
358 boolean primitive = componentType.isPrimitive(); |
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parents:
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|
359 for (int i = 0; i < length; i++) { |
1d760684d958
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|
360 if (primitive) { |
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parents:
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|
361 buf.append(Array.get(array, i)); |
1d760684d958
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parents:
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|
362 } else { |
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parents:
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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
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|
365 } |
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parents:
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changeset
|
366 if (i != length - 1) { |
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|
367 buf.append(", "); |
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|
368 } |
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|
369 } |
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|
370 if (arrayLength != length) { |
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|
371 buf.append(", ..."); |
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parents:
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|
372 } |
1d760684d958
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parents:
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|
373 return buf.append('}').toString(); |
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|
374 } |
1d760684d958
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Doug Simon <doug.simon@oracle.com>
parents:
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changeset
|
375 |
6328
6e66d97a16ae
Clean up Kind class.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
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diff
changeset
|
376 /** |
6e66d97a16ae
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|
377 * The minimum value that can be represented as a value of this kind. |
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parents:
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|
378 * |
6328
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|
379 * @return the minimum value |
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|
380 */ |
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|
381 public long getMinValue() { |
5441
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|
382 switch (this) { |
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diff
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|
383 case Boolean: |
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CiKind.minValue and CiKind.maxValue for integer types
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384 return 0; |
ab31310d4af9
CiKind.minValue and CiKind.maxValue for integer types
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parents:
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|
385 case Byte: |
ab31310d4af9
CiKind.minValue and CiKind.maxValue for integer types
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|
386 return java.lang.Byte.MIN_VALUE; |
ab31310d4af9
CiKind.minValue and CiKind.maxValue for integer types
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parents:
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|
387 case Char: |
ab31310d4af9
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parents:
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|
388 return java.lang.Character.MIN_VALUE; |
ab31310d4af9
CiKind.minValue and CiKind.maxValue for integer types
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parents:
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|
389 case Short: |
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CiKind.minValue and CiKind.maxValue for integer types
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390 return java.lang.Short.MIN_VALUE; |
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CiKind.minValue and CiKind.maxValue for integer types
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parents:
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391 case Int: |
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|
392 return java.lang.Integer.MIN_VALUE; |
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|
393 case Long: |
ab31310d4af9
CiKind.minValue and CiKind.maxValue for integer types
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|
394 return java.lang.Long.MIN_VALUE; |
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|
395 default: |
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|
396 throw new IllegalArgumentException("illegal call to minValue on " + this); |
ab31310d4af9
CiKind.minValue and CiKind.maxValue for integer types
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parents:
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|
397 } |
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CiKind.minValue and CiKind.maxValue for integer types
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parents:
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|
398 } |
ab31310d4af9
CiKind.minValue and CiKind.maxValue for integer types
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parents:
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diff
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|
399 |
6328
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6313
diff
changeset
|
400 /** |
6e66d97a16ae
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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
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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
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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 } |