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annotate graal/com.oracle.truffle.codegen.processor/src/com/oracle/truffle/codegen/processor/node/SpecializationData.java @ 8251:cb70ed101b5f

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Added automatic generation of generic specialization which throws unsupported operation if reached.
author Christian Humer <christian.humer@gmail.com>
date Wed, 13 Mar 2013 11:32:43 +0100
parents d81ff782fa1a
children 0905d796944a
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 /*
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2 * Copyright (c) 2012, 2012, 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.truffle.codegen.processor.node;
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24
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25 import java.util.*;
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26
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27 import com.oracle.truffle.api.codegen.*;
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28 import com.oracle.truffle.codegen.processor.*;
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29 import com.oracle.truffle.codegen.processor.template.*;
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30
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31 public class SpecializationData extends TemplateMethod {
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32
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33 private final int order;
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34 private final boolean generic;
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35 private final boolean uninitialized;
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36 private final List<SpecializationThrowsData> exceptions;
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37 private SpecializationGuardData[] guards;
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38 private ShortCircuitData[] shortCircuits;
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39 private boolean useSpecializationsForGeneric = true;
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40 private NodeData node;
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41
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42 private final boolean synthetic;
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43
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44 public SpecializationData(TemplateMethod template, int order, List<SpecializationThrowsData> exceptions) {
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45 super(template);
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46 this.order = order;
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47 this.generic = false;
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48 this.uninitialized = false;
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49 this.synthetic = false;
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50 this.exceptions = exceptions;
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51
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52 for (SpecializationThrowsData exception : exceptions) {
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53 exception.setSpecialization(this);
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54 }
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55 }
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56
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57 public SpecializationData(TemplateMethod template, boolean generic, boolean uninitialized, boolean synthetic) {
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58 super(template);
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59 this.order = Specialization.DEFAULT_ORDER;
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60 this.generic = generic;
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61 this.uninitialized = uninitialized;
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62 this.exceptions = Collections.emptyList();
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63 this.guards = new SpecializationGuardData[0];
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64 this.synthetic = synthetic;
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65 }
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66
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67 public boolean hasRewrite(ProcessorContext context) {
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68 if (getExceptions().size() > 0) {
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69 return true;
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70 }
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71 if (getGuards().length > 0) {
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72 return true;
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73 }
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74 for (ActualParameter parameter : getParameters()) {
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75 NodeFieldData field = getNode().findField(parameter.getSpecification().getName());
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76 if (field == null) {
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77 continue;
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78 }
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79 ExecutableTypeData type = field.getNodeData().findExecutableType(parameter.getActualTypeData(field.getNodeData().getTypeSystem()));
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80 if (type.hasUnexpectedValue(context)) {
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81 return true;
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82 }
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83 }
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84 return false;
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85 }
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86
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87 public NodeData getNode() {
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88 return node;
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89 }
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90
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91 public void setNode(NodeData node) {
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92 this.node = node;
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93 }
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94
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95 public void setGuards(SpecializationGuardData[] guards) {
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96 this.guards = guards;
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97 }
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98
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99 public boolean isSynthetic() {
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100 return synthetic;
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101 }
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102
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103 public int getOrder() {
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104 return order;
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105 }
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106
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107 public boolean isGeneric() {
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108 return generic;
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109 }
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110
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111 public boolean isUninitialized() {
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112 return uninitialized;
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113 }
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114
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115 public List<SpecializationThrowsData> getExceptions() {
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116 return exceptions;
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117 }
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118
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119 public SpecializationGuardData[] getGuards() {
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120 return guards;
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121 }
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122
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123 public void setShortCircuits(ShortCircuitData[] shortCircuits) {
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124 this.shortCircuits = shortCircuits;
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125 }
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126
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127 public ShortCircuitData[] getShortCircuits() {
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128 return shortCircuits;
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129 }
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130
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131 void setUseSpecializationsForGeneric(boolean useSpecializationsForGeneric) {
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132 this.useSpecializationsForGeneric = useSpecializationsForGeneric;
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133 }
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134
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135 public boolean isUseSpecializationsForGeneric() {
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136 return useSpecializationsForGeneric;
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137 }
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138
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139 public SpecializationData findNextSpecialization() {
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140 List<SpecializationData> specializations = node.getSpecializations();
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141 for (int i = 0; i < specializations.size() - 1; i++) {
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142 if (specializations.get(i) == this) {
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143 return specializations.get(i + 1);
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144 }
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145 }
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146 return null;
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147 }
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148
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149 public boolean hasDynamicGuards() {
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150 for (SpecializationGuardData guard : getGuards()) {
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151 if (guard.isOnExecution()) {
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152 return true;
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153 }
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154 }
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155 return false;
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156 }
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157
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158 }