Mercurial > hg > graal-compiler
annotate graal/com.oracle.graal.api.meta/src/com/oracle/graal/api/meta/Kind.java @ 18679:b7d28233da5d
Add missing //JaCoCo Exclude.
author | Roland Schatz <roland.schatz@oracle.com> |
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date | Mon, 15 Dec 2014 15:38:20 +0100 |
parents | ca81508f2a19 |
children | d0f34a3055cf |
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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.graal.api.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", 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", 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", 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", 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", 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", 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", 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", 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", 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", 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", 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 |
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74 private Kind(char typeChar, String javaName, boolean isStackInt, Class<?> primitiveJavaClass, Class<?> boxedJavaClass) { |
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75 this.typeChar = typeChar; |
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76 this.javaName = javaName; |
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77 this.isStackInt = isStackInt; |
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78 this.primitiveJavaClass = primitiveJavaClass; |
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80 assert primitiveJavaClass == null || javaName.equals(primitiveJavaClass.getName()); |
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81 } |
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82 |
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83 /** |
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84 * Returns the name of the kind as a single character. |
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85 */ |
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86 public char getTypeChar() { |
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87 return typeChar; |
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88 } |
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89 |
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90 /** |
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91 * Returns the name of this kind which will also be it Java programming language name if it is |
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92 * {@linkplain #isPrimitive() primitive} or {@code void}. |
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93 */ |
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94 public String getJavaName() { |
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95 return javaName; |
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96 } |
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97 |
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98 /** |
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99 * Checks whether this type is a Java primitive type. |
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100 * |
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101 * @return {@code true} if this is {@link #Boolean}, {@link #Byte}, {@link #Char}, |
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102 * {@link #Short}, {@link #Int}, {@link #Long}, {@link #Float}, {@link #Double}, or |
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103 * {@link #Void}. |
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104 */ |
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105 public boolean isPrimitive() { |
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106 return primitiveJavaClass != null; |
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107 } |
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108 |
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109 /** |
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110 * Returns the kind that represents this kind when on the Java operand stack. |
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111 * |
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112 * @return the kind used on the operand stack |
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113 */ |
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114 public Kind getStackKind() { |
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115 if (isStackInt) { |
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116 return Int; |
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117 } |
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118 return this; |
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119 } |
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120 |
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121 /** |
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122 * Checks whether this type is a Java primitive type representing an integer number. |
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123 * |
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124 * @return {@code true} if the stack kind is {@link #Int} or {@link #Long}. |
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125 */ |
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126 public boolean isNumericInteger() { |
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127 return isStackInt || this == Kind.Long; |
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128 } |
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129 |
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130 /** |
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131 * Checks whether this type is a Java primitive type representing an unsigned number. |
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132 * |
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133 * @return {@code true} if the kind is {@link #Boolean} or {@link #Char}. |
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134 */ |
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135 public boolean isUnsigned() { |
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136 return this == Kind.Boolean || this == Kind.Char; |
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137 } |
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138 |
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139 /** |
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140 * Checks whether this type is a Java primitive type representing a floating point number. |
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141 * |
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142 * @return {@code true} if this is {@link #Float} or {@link #Double}. |
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143 */ |
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144 public boolean isNumericFloat() { |
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145 return this == Kind.Float || this == Kind.Double; |
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146 } |
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147 |
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148 /** |
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149 * Checks whether this represent an Object of some sort. |
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150 * |
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151 * @return {@code true} if this is {@link #Object}. |
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152 */ |
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153 public boolean isObject() { |
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154 return this == Kind.Object; |
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155 } |
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156 |
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157 /** |
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158 * Returns the kind corresponding to the Java type string. |
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159 * |
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160 * @param typeString the Java type string |
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161 * @return the kind |
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162 */ |
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163 public static Kind fromTypeString(String typeString) { |
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164 assert typeString.length() > 0; |
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165 final char first = typeString.charAt(0); |
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166 if (first == '[' || first == 'L') { |
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167 return Kind.Object; |
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168 } |
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169 return Kind.fromPrimitiveOrVoidTypeChar(first); |
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170 } |
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171 |
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172 /** |
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173 * Returns the kind of a word given the size of a word in bytes. |
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174 * |
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175 * @param wordSizeInBytes the size of a word in bytes |
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176 * @return the kind representing a word value |
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177 */ |
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178 public static Kind fromWordSize(int wordSizeInBytes) { |
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179 if (wordSizeInBytes == 8) { |
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180 return Kind.Long; |
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181 } else { |
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182 assert wordSizeInBytes == 4 : "Unsupported word size!"; |
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183 return Kind.Int; |
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184 } |
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185 } |
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186 |
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187 /** |
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188 * Returns the kind from the character describing a primitive or void. |
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189 * |
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190 * @param ch the character |
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191 * @return the kind |
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|
192 */ |
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193 public static Kind fromPrimitiveOrVoidTypeChar(char ch) { |
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194 switch (ch) { |
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195 case 'Z': |
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196 return Boolean; |
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197 case 'C': |
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198 return Char; |
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199 case 'F': |
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200 return Float; |
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201 case 'D': |
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202 return Double; |
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|
203 case 'B': |
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204 return Byte; |
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205 case 'S': |
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206 return Short; |
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207 case 'I': |
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208 return Int; |
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209 case 'J': |
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210 return Long; |
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211 case 'V': |
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212 return Void; |
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213 } |
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214 throw new IllegalArgumentException("unknown primitive or void type character: " + ch); |
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215 } |
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216 |
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217 /** |
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218 * Returns the Kind representing the given Java class. |
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219 * |
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220 * @param klass the class |
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221 * @return the kind |
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222 */ |
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|
223 public static Kind fromJavaClass(Class<?> klass) { |
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224 if (klass == Boolean.primitiveJavaClass) { |
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225 return Boolean; |
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226 } else if (klass == Byte.primitiveJavaClass) { |
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227 return Byte; |
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228 } else if (klass == Short.primitiveJavaClass) { |
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229 return Short; |
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230 } else if (klass == Char.primitiveJavaClass) { |
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231 return Char; |
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232 } else if (klass == Int.primitiveJavaClass) { |
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233 return Int; |
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234 } else if (klass == Long.primitiveJavaClass) { |
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235 return Long; |
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236 } else if (klass == Float.primitiveJavaClass) { |
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237 return Float; |
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238 } else if (klass == Double.primitiveJavaClass) { |
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239 return Double; |
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240 } else if (klass == Void.primitiveJavaClass) { |
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241 return Void; |
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242 } else { |
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243 return Object; |
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244 } |
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245 } |
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246 |
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247 /** |
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248 * Returns the Java class representing this kind. |
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249 * |
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250 * @return the Java class |
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251 */ |
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252 public Class<?> toJavaClass() { |
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253 return primitiveJavaClass; |
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254 } |
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255 |
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256 /** |
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257 * Returns the Java class for instances of boxed values of this kind. |
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258 * |
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259 * @return the Java class |
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260 */ |
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261 public Class<?> toBoxedJavaClass() { |
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262 return boxedJavaClass; |
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263 } |
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264 |
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265 /** |
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266 * Converts this value type to a string. |
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267 */ |
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268 @Override |
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269 public String toString() { |
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270 return javaName; |
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271 } |
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272 |
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273 /** |
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274 * Marker interface for types that should be {@linkplain Kind#format(Object) formatted} with |
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275 * their {@link Object#toString()} value. Calling {@link Object#toString()} on other objects |
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276 * poses a security risk because it can potentially call user code. |
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277 */ |
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278 public interface FormatWithToString { |
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279 } |
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280 |
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281 /** |
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282 * Classes for which invoking {@link Object#toString()} does not run user code. |
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283 */ |
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284 private static boolean isToStringSafe(Class<?> c) { |
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285 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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286 } |
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287 |
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288 /** |
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289 * Gets a formatted string for a given value of this kind. |
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290 * |
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291 * @param value a value of this kind |
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292 * @return a formatted string for {@code value} based on this kind |
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293 */ |
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294 public String format(Object value) { |
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295 if (isPrimitive()) { |
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296 assert isToStringSafe(value.getClass()); |
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297 return value.toString(); |
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298 } else { |
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299 if (value == null) { |
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300 return "null"; |
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301 } else { |
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302 if (value instanceof String) { |
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303 String s = (String) value; |
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304 if (s.length() > 50) { |
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305 return "String:\"" + s.substring(0, 30) + "...\""; |
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306 } else { |
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307 return "String:\"" + s + '"'; |
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308 } |
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309 } else if (value instanceof JavaType) { |
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310 return "JavaType:" + ((JavaType) value).toJavaName(); |
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311 } else if (value instanceof Enum) { |
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312 return MetaUtil.getSimpleName(value.getClass(), true) + ":" + ((Enum<?>) value).name(); |
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313 } else if (value instanceof FormatWithToString) { |
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314 return MetaUtil.getSimpleName(value.getClass(), true) + ":" + String.valueOf(value); |
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315 } else if (value instanceof Class<?>) { |
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316 return "Class:" + ((Class<?>) value).getName(); |
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317 } else if (isToStringSafe(value.getClass())) { |
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318 return value.toString(); |
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319 } else if (value.getClass().isArray()) { |
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320 return formatArray(value); |
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321 } else { |
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322 return MetaUtil.getSimpleName(value.getClass(), true) + "@" + System.identityHashCode(value); |
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323 } |
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324 } |
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325 } |
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326 } |
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327 |
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328 private static final int MAX_FORMAT_ARRAY_LENGTH = 5; |
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329 |
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330 private static String formatArray(Object array) { |
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331 Class<?> componentType = array.getClass().getComponentType(); |
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332 assert componentType != null; |
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333 int arrayLength = Array.getLength(array); |
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334 StringBuilder buf = new StringBuilder(MetaUtil.getSimpleName(componentType, true)).append('[').append(arrayLength).append("]{"); |
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335 int length = Math.min(MAX_FORMAT_ARRAY_LENGTH, arrayLength); |
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336 boolean primitive = componentType.isPrimitive(); |
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337 for (int i = 0; i < length; i++) { |
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338 if (primitive) { |
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339 buf.append(Array.get(array, i)); |
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340 } else { |
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341 Object o = ((Object[]) array)[i]; |
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342 buf.append(Kind.Object.format(o)); |
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343 } |
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344 if (i != length - 1) { |
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345 buf.append(", "); |
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346 } |
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Doug Simon <doug.simon@oracle.com>
parents:
5349
diff
changeset
|
347 } |
1d760684d958
expanded formatting of array CiConstants to show contents of the array
Doug Simon <doug.simon@oracle.com>
parents:
5349
diff
changeset
|
348 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
|
349 buf.append(", ..."); |
1d760684d958
expanded formatting of array CiConstants to show contents of the array
Doug Simon <doug.simon@oracle.com>
parents:
5349
diff
changeset
|
350 } |
1d760684d958
expanded formatting of array CiConstants to show contents of the array
Doug Simon <doug.simon@oracle.com>
parents:
5349
diff
changeset
|
351 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
|
352 } |
1d760684d958
expanded formatting of array CiConstants to show contents of the array
Doug Simon <doug.simon@oracle.com>
parents:
5349
diff
changeset
|
353 |
6328
6e66d97a16ae
Clean up Kind class.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
6313
diff
changeset
|
354 /** |
6e66d97a16ae
Clean up Kind class.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
6313
diff
changeset
|
355 * 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
|
356 * |
6328
6e66d97a16ae
Clean up Kind class.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
6313
diff
changeset
|
357 * @return the minimum value |
6e66d97a16ae
Clean up Kind class.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
6313
diff
changeset
|
358 */ |
6e66d97a16ae
Clean up Kind class.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
6313
diff
changeset
|
359 public long getMinValue() { |
5441
ab31310d4af9
CiKind.minValue and CiKind.maxValue for integer types
Lukas Stadler <lukas.stadler@jku.at>
parents:
5363
diff
changeset
|
360 switch (this) { |
ab31310d4af9
CiKind.minValue and CiKind.maxValue for integer types
Lukas Stadler <lukas.stadler@jku.at>
parents:
5363
diff
changeset
|
361 case Boolean: |
ab31310d4af9
CiKind.minValue and CiKind.maxValue for integer types
Lukas Stadler <lukas.stadler@jku.at>
parents:
5363
diff
changeset
|
362 return 0; |
ab31310d4af9
CiKind.minValue and CiKind.maxValue for integer types
Lukas Stadler <lukas.stadler@jku.at>
parents:
5363
diff
changeset
|
363 case Byte: |
ab31310d4af9
CiKind.minValue and CiKind.maxValue for integer types
Lukas Stadler <lukas.stadler@jku.at>
parents:
5363
diff
changeset
|
364 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
|
365 case Char: |
ab31310d4af9
CiKind.minValue and CiKind.maxValue for integer types
Lukas Stadler <lukas.stadler@jku.at>
parents:
5363
diff
changeset
|
366 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
|
367 case Short: |
ab31310d4af9
CiKind.minValue and CiKind.maxValue for integer types
Lukas Stadler <lukas.stadler@jku.at>
parents:
5363
diff
changeset
|
368 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
|
369 case Int: |
ab31310d4af9
CiKind.minValue and CiKind.maxValue for integer types
Lukas Stadler <lukas.stadler@jku.at>
parents:
5363
diff
changeset
|
370 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
|
371 case Long: |
ab31310d4af9
CiKind.minValue and CiKind.maxValue for integer types
Lukas Stadler <lukas.stadler@jku.at>
parents:
5363
diff
changeset
|
372 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
|
373 default: |
ab31310d4af9
CiKind.minValue and CiKind.maxValue for integer types
Lukas Stadler <lukas.stadler@jku.at>
parents:
5363
diff
changeset
|
374 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
|
375 } |
ab31310d4af9
CiKind.minValue and CiKind.maxValue for integer types
Lukas Stadler <lukas.stadler@jku.at>
parents:
5363
diff
changeset
|
376 } |
ab31310d4af9
CiKind.minValue and CiKind.maxValue for integer types
Lukas Stadler <lukas.stadler@jku.at>
parents:
5363
diff
changeset
|
377 |
6328
6e66d97a16ae
Clean up Kind class.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
6313
diff
changeset
|
378 /** |
6e66d97a16ae
Clean up Kind class.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
6313
diff
changeset
|
379 * 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
|
380 * |
6328
6e66d97a16ae
Clean up Kind class.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
6313
diff
changeset
|
381 * @return the maximum value |
6e66d97a16ae
Clean up Kind class.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
6313
diff
changeset
|
382 */ |
6e66d97a16ae
Clean up Kind class.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
6313
diff
changeset
|
383 public long getMaxValue() { |
5441
ab31310d4af9
CiKind.minValue and CiKind.maxValue for integer types
Lukas Stadler <lukas.stadler@jku.at>
parents:
5363
diff
changeset
|
384 switch (this) { |
ab31310d4af9
CiKind.minValue and CiKind.maxValue for integer types
Lukas Stadler <lukas.stadler@jku.at>
parents:
5363
diff
changeset
|
385 case Boolean: |
ab31310d4af9
CiKind.minValue and CiKind.maxValue for integer types
Lukas Stadler <lukas.stadler@jku.at>
parents:
5363
diff
changeset
|
386 return 1; |
ab31310d4af9
CiKind.minValue and CiKind.maxValue for integer types
Lukas Stadler <lukas.stadler@jku.at>
parents:
5363
diff
changeset
|
387 case Byte: |
ab31310d4af9
CiKind.minValue and CiKind.maxValue for integer types
Lukas Stadler <lukas.stadler@jku.at>
parents:
5363
diff
changeset
|
388 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
|
389 case Char: |
ab31310d4af9
CiKind.minValue and CiKind.maxValue for integer types
Lukas Stadler <lukas.stadler@jku.at>
parents:
5363
diff
changeset
|
390 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
|
391 case Short: |
ab31310d4af9
CiKind.minValue and CiKind.maxValue for integer types
Lukas Stadler <lukas.stadler@jku.at>
parents:
5363
diff
changeset
|
392 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
|
393 case Int: |
ab31310d4af9
CiKind.minValue and CiKind.maxValue for integer types
Lukas Stadler <lukas.stadler@jku.at>
parents:
5363
diff
changeset
|
394 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
|
395 case Long: |
ab31310d4af9
CiKind.minValue and CiKind.maxValue for integer types
Lukas Stadler <lukas.stadler@jku.at>
parents:
5363
diff
changeset
|
396 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
|
397 default: |
ab31310d4af9
CiKind.minValue and CiKind.maxValue for integer types
Lukas Stadler <lukas.stadler@jku.at>
parents:
5363
diff
changeset
|
398 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
|
399 } |
ab31310d4af9
CiKind.minValue and CiKind.maxValue for integer types
Lukas Stadler <lukas.stadler@jku.at>
parents:
5363
diff
changeset
|
400 } |
ab31310d4af9
CiKind.minValue and CiKind.maxValue for integer types
Lukas Stadler <lukas.stadler@jku.at>
parents:
5363
diff
changeset
|
401 |
6328
6e66d97a16ae
Clean up Kind class.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
6313
diff
changeset
|
402 /** |
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
|
403 * 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
|
404 * |
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
|
405 * @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
|
406 */ |
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
|
407 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
|
408 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
|
409 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
|
410 } 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
|
411 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
|
412 } |
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
|
413 } |
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
|
414 |
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
|
415 /** |
6328
6e66d97a16ae
Clean up Kind class.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
6313
diff
changeset
|
416 * 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
|
417 * |
6328
6e66d97a16ae
Clean up Kind class.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
6313
diff
changeset
|
418 * @return the number of bits |
6e66d97a16ae
Clean up Kind class.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
6313
diff
changeset
|
419 */ |
6e66d97a16ae
Clean up Kind class.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
6313
diff
changeset
|
420 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
|
421 switch (this) { |
f0d4304243ff
Add intrinsics for (Long|Integer).(reverseBytes|numberOf(Trail|Lead)ingZeros)
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
5793
diff
changeset
|
422 case Boolean: |
f0d4304243ff
Add intrinsics for (Long|Integer).(reverseBytes|numberOf(Trail|Lead)ingZeros)
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
5793
diff
changeset
|
423 return 1; |
f0d4304243ff
Add intrinsics for (Long|Integer).(reverseBytes|numberOf(Trail|Lead)ingZeros)
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
5793
diff
changeset
|
424 case Byte: |
f0d4304243ff
Add intrinsics for (Long|Integer).(reverseBytes|numberOf(Trail|Lead)ingZeros)
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
5793
diff
changeset
|
425 return 8; |
f0d4304243ff
Add intrinsics for (Long|Integer).(reverseBytes|numberOf(Trail|Lead)ingZeros)
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
5793
diff
changeset
|
426 case Char: |
f0d4304243ff
Add intrinsics for (Long|Integer).(reverseBytes|numberOf(Trail|Lead)ingZeros)
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
5793
diff
changeset
|
427 case Short: |
f0d4304243ff
Add intrinsics for (Long|Integer).(reverseBytes|numberOf(Trail|Lead)ingZeros)
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
5793
diff
changeset
|
428 return 16; |
9785
ecd5cd2806e8
Relax assertion for virtual array component kind.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
9422
diff
changeset
|
429 case Float: |
ecd5cd2806e8
Relax assertion for virtual array component kind.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
9422
diff
changeset
|
430 return 32; |
5874
f0d4304243ff
Add intrinsics for (Long|Integer).(reverseBytes|numberOf(Trail|Lead)ingZeros)
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
5793
diff
changeset
|
431 case Int: |
f0d4304243ff
Add intrinsics for (Long|Integer).(reverseBytes|numberOf(Trail|Lead)ingZeros)
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
5793
diff
changeset
|
432 return 32; |
9785
ecd5cd2806e8
Relax assertion for virtual array component kind.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
9422
diff
changeset
|
433 case Double: |
ecd5cd2806e8
Relax assertion for virtual array component kind.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
9422
diff
changeset
|
434 return 64; |
5874
f0d4304243ff
Add intrinsics for (Long|Integer).(reverseBytes|numberOf(Trail|Lead)ingZeros)
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
5793
diff
changeset
|
435 case Long: |
f0d4304243ff
Add intrinsics for (Long|Integer).(reverseBytes|numberOf(Trail|Lead)ingZeros)
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
5793
diff
changeset
|
436 return 64; |
f0d4304243ff
Add intrinsics for (Long|Integer).(reverseBytes|numberOf(Trail|Lead)ingZeros)
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
5793
diff
changeset
|
437 default: |
f0d4304243ff
Add intrinsics for (Long|Integer).(reverseBytes|numberOf(Trail|Lead)ingZeros)
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
5793
diff
changeset
|
438 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
|
439 } |
f0d4304243ff
Add intrinsics for (Long|Integer).(reverseBytes|numberOf(Trail|Lead)ingZeros)
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
5793
diff
changeset
|
440 } |
16012
0497ead7ec50
Support null check directly on compressed oops.
Roland Schatz <roland.schatz@oracle.com>
parents:
15040
diff
changeset
|
441 |
18187
9619ba4daf4c
Rename Constant to JavaConstant.
Roland Schatz <roland.schatz@oracle.com>
parents:
16479
diff
changeset
|
442 public JavaConstant getDefaultValue() { |
16012
0497ead7ec50
Support null check directly on compressed oops.
Roland Schatz <roland.schatz@oracle.com>
parents:
15040
diff
changeset
|
443 switch (this) { |
0497ead7ec50
Support null check directly on compressed oops.
Roland Schatz <roland.schatz@oracle.com>
parents:
15040
diff
changeset
|
444 case Boolean: |
18187
9619ba4daf4c
Rename Constant to JavaConstant.
Roland Schatz <roland.schatz@oracle.com>
parents:
16479
diff
changeset
|
445 return JavaConstant.FALSE; |
16012
0497ead7ec50
Support null check directly on compressed oops.
Roland Schatz <roland.schatz@oracle.com>
parents:
15040
diff
changeset
|
446 case Int: |
18187
9619ba4daf4c
Rename Constant to JavaConstant.
Roland Schatz <roland.schatz@oracle.com>
parents:
16479
diff
changeset
|
447 return JavaConstant.INT_0; |
16012
0497ead7ec50
Support null check directly on compressed oops.
Roland Schatz <roland.schatz@oracle.com>
parents:
15040
diff
changeset
|
448 case Long: |
18187
9619ba4daf4c
Rename Constant to JavaConstant.
Roland Schatz <roland.schatz@oracle.com>
parents:
16479
diff
changeset
|
449 return JavaConstant.LONG_0; |
16012
0497ead7ec50
Support null check directly on compressed oops.
Roland Schatz <roland.schatz@oracle.com>
parents:
15040
diff
changeset
|
450 case Float: |
18187
9619ba4daf4c
Rename Constant to JavaConstant.
Roland Schatz <roland.schatz@oracle.com>
parents:
16479
diff
changeset
|
451 return JavaConstant.FLOAT_0; |
16012
0497ead7ec50
Support null check directly on compressed oops.
Roland Schatz <roland.schatz@oracle.com>
parents:
15040
diff
changeset
|
452 case Double: |
18187
9619ba4daf4c
Rename Constant to JavaConstant.
Roland Schatz <roland.schatz@oracle.com>
parents:
16479
diff
changeset
|
453 return JavaConstant.DOUBLE_0; |
16012
0497ead7ec50
Support null check directly on compressed oops.
Roland Schatz <roland.schatz@oracle.com>
parents:
15040
diff
changeset
|
454 case Object: |
18490
ca81508f2a19
Generalize NULL handling to work on arbitrary pointers.
Roland Schatz <roland.schatz@oracle.com>
parents:
18187
diff
changeset
|
455 return JavaConstant.NULL_POINTER; |
16012
0497ead7ec50
Support null check directly on compressed oops.
Roland Schatz <roland.schatz@oracle.com>
parents:
15040
diff
changeset
|
456 case Byte: |
0497ead7ec50
Support null check directly on compressed oops.
Roland Schatz <roland.schatz@oracle.com>
parents:
15040
diff
changeset
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457 case Char: |
0497ead7ec50
Support null check directly on compressed oops.
Roland Schatz <roland.schatz@oracle.com>
parents:
15040
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458 case Short: |
0497ead7ec50
Support null check directly on compressed oops.
Roland Schatz <roland.schatz@oracle.com>
parents:
15040
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459 return new PrimitiveConstant(this, 0); |
0497ead7ec50
Support null check directly on compressed oops.
Roland Schatz <roland.schatz@oracle.com>
parents:
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changeset
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460 default: |
0497ead7ec50
Support null check directly on compressed oops.
Roland Schatz <roland.schatz@oracle.com>
parents:
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461 throw new IllegalArgumentException("illegal call to getDefaultValue on " + this); |
0497ead7ec50
Support null check directly on compressed oops.
Roland Schatz <roland.schatz@oracle.com>
parents:
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462 } |
0497ead7ec50
Support null check directly on compressed oops.
Roland Schatz <roland.schatz@oracle.com>
parents:
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463 } |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
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464 } |