Mercurial > hg > graal-compiler
annotate graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/java/MethodCallTargetNode.java @ 7530:5e3d1a68664e
applied mx eclipseformat to all Java files
author | Doug Simon <doug.simon@oracle.com> |
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date | Wed, 23 Jan 2013 16:34:57 +0100 |
parents | 225002aba5a5 |
children | 7d66682cc901 |
rev | line source |
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1 /* |
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2 * Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved. |
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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4 * |
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5 * This code is free software; you can redistribute it and/or modify it |
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6 * under the terms of the GNU General Public License version 2 only, as |
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7 * published by the Free Software Foundation. |
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8 * |
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9 * This code is distributed in the hope that it will be useful, but WITHOUT |
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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12 * version 2 for more details (a copy is included in the LICENSE file that |
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13 * accompanied this code). |
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14 * |
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15 * You should have received a copy of the GNU General Public License version |
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16 * 2 along with this work; if not, write to the Free Software Foundation, |
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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18 * |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
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22 */ |
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23 package com.oracle.graal.nodes.java; |
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24 |
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25 import com.oracle.graal.api.meta.*; |
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26 import com.oracle.graal.graph.*; |
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27 import com.oracle.graal.nodes.*; |
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28 import com.oracle.graal.nodes.spi.*; |
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29 import com.oracle.graal.nodes.type.*; |
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30 |
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31 public class MethodCallTargetNode extends CallTargetNode implements Node.IterableNodeType, Canonicalizable { |
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32 |
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33 public enum InvokeKind { |
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34 Interface, Special, Static, Virtual |
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35 } |
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36 |
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37 private final JavaType returnType; |
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38 private ResolvedJavaMethod targetMethod; |
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39 private InvokeKind invokeKind; |
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40 |
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41 /** |
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42 * @param arguments |
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43 */ |
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44 public MethodCallTargetNode(InvokeKind invokeKind, ResolvedJavaMethod targetMethod, ValueNode[] arguments, JavaType returnType) { |
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45 super(arguments); |
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46 this.invokeKind = invokeKind; |
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47 this.returnType = returnType; |
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48 this.targetMethod = targetMethod; |
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49 } |
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50 |
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51 /** |
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52 * Gets the target method for this invocation instruction. |
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53 * |
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54 * @return the target method |
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55 */ |
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56 public ResolvedJavaMethod targetMethod() { |
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57 return targetMethod; |
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58 } |
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59 |
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60 public InvokeKind invokeKind() { |
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61 return invokeKind; |
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62 } |
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63 |
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64 public void setInvokeKind(InvokeKind kind) { |
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65 this.invokeKind = kind; |
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66 } |
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67 |
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68 public void setTargetMethod(ResolvedJavaMethod method) { |
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69 targetMethod = method; |
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70 } |
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71 |
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72 /** |
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73 * Gets the instruction that produces the receiver object for this invocation, if any. |
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74 * |
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75 * @return the instruction that produces the receiver object for this invocation if any, |
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76 * {@code null} if this invocation does not take a receiver object |
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77 */ |
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78 public ValueNode receiver() { |
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79 return isStatic() ? null : arguments().get(0); |
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80 } |
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81 |
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82 /** |
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83 * Checks whether this is an invocation of a static method. |
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84 * |
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85 * @return {@code true} if the invocation is a static invocation |
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86 */ |
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87 public boolean isStatic() { |
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88 return invokeKind() == InvokeKind.Static; |
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89 } |
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90 |
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91 public Kind returnKind() { |
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92 return targetMethod().getSignature().getReturnKind(); |
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93 } |
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94 |
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95 public Invoke invoke() { |
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96 return (Invoke) this.usages().first(); |
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97 } |
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98 |
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99 @Override |
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100 public boolean verify() { |
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101 assert usages().count() <= 1 : "call target may only be used by a single invoke"; |
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102 for (Node n : usages()) { |
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103 assertTrue(n instanceof Invoke, "call target can only be used from an invoke (%s)", n); |
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104 } |
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105 return super.verify(); |
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106 } |
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107 |
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108 @Override |
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109 public String toString(Verbosity verbosity) { |
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110 if (verbosity == Verbosity.Long) { |
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111 return super.toString(Verbosity.Short) + "(" + targetMethod() + ")"; |
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112 } else { |
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113 return super.toString(verbosity); |
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114 } |
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115 } |
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116 |
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117 @Override |
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118 public ValueNode canonical(CanonicalizerTool tool) { |
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119 if (!isStatic()) { |
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120 ValueNode receiver = receiver(); |
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121 if (receiver != null && receiver.objectStamp().isExactType()) { |
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Canonicalize invoke kind to static when the exact receiver type is known, regardless of whether it is constant.
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122 if (invokeKind == InvokeKind.Interface || invokeKind == InvokeKind.Virtual) { |
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Cleanup of Graal API: Rename methods so that it follows the getXxx naming convention and so that they are similar to the names of the java.lang.reflect classes. Remove unused methods.
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123 ResolvedJavaMethod method = receiver.objectStamp().type().resolveMethod(targetMethod); |
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124 if (method != null) { |
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125 invokeKind = InvokeKind.Special; |
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126 targetMethod = method; |
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127 } |
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128 } |
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129 } |
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130 } |
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131 return this; |
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132 } |
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133 |
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134 public JavaType returnType() { |
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135 return returnType; |
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136 } |
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137 |
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138 @Override |
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139 public Stamp returnStamp() { |
6539
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Cleanup of Graal API: Rename methods so that it follows the getXxx naming convention and so that they are similar to the names of the java.lang.reflect classes. Remove unused methods.
Christian Wimmer <christian.wimmer@oracle.com>
parents:
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140 Kind returnKind = targetMethod.getSignature().getReturnKind(); |
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>
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141 if (returnKind == Kind.Object && returnType instanceof ResolvedJavaType) { |
b4c406861c33
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142 return StampFactory.declared((ResolvedJavaType) returnType); |
5283
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compute returnStamp on demand in MethodCallTargetNode
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143 } else { |
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144 return StampFactory.forKind(returnKind); |
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145 } |
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146 } |
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147 |
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148 @Override |
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149 public String targetName() { |
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150 if (targetMethod() == null) { |
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151 return "??Invalid!"; |
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152 } |
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Cleanup of Graal API: Rename methods so that it follows the getXxx naming convention and so that they are similar to the names of the java.lang.reflect classes. Remove unused methods.
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153 return targetMethod().getName(); |
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154 } |
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155 |
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156 public static MethodCallTargetNode find(StructuredGraph graph, ResolvedJavaMethod method) { |
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157 for (MethodCallTargetNode target : graph.getNodes(MethodCallTargetNode.class)) { |
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158 if (target.targetMethod == method) { |
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159 return target; |
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160 } |
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161 } |
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162 return null; |
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163 } |
3733
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164 } |