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annotate graal/com.oracle.truffle.dsl.processor/src/com/oracle/truffle/dsl/processor/node/SpecializationGroup.java @ 11481:a317acdd5f2c

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Truffle-DSL: fixed a bug in else connections of generic generated methods.
author Christian Humer <christian.humer@gmail.com>
date Fri, 30 Aug 2013 15:55:52 +0200
parents 5d72a3f5a31d
children d6a5ab791b0d
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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.dsl.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 javax.lang.model.type.*;
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28
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29 import com.oracle.truffle.dsl.processor.*;
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30 import com.oracle.truffle.dsl.processor.template.*;
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31 import com.oracle.truffle.dsl.processor.template.TemplateMethod.Signature;
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32 import com.oracle.truffle.dsl.processor.typesystem.*;
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33
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34 /**
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35 * Class creates groups of specializations to optimize the layout of generated executeAndSpecialize
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36 * and generic execute methods.
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37 */
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38 public final class SpecializationGroup {
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39
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40 private final List<String> assumptions;
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41 private final List<TypeGuard> typeGuards;
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42 private final List<GuardData> guards;
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43
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44 private final NodeData node;
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45 private final SpecializationData specialization;
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46 private final List<SpecializationGroup> children = new ArrayList<>();
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47
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48 private SpecializationGroup parent;
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49
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50 private SpecializationGroup(SpecializationData data) {
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51 this.node = data.getNode();
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52 this.assumptions = new ArrayList<>();
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53 this.typeGuards = new ArrayList<>();
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54 this.guards = new ArrayList<>();
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55 this.specialization = data;
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56
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57 this.assumptions.addAll(data.getAssumptions());
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58 Signature sig = data.getSignature();
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59 for (int i = 1; i < sig.size(); i++) {
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60 typeGuards.add(new TypeGuard(sig.get(i), i - 1));
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61 }
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62 this.guards.addAll(data.getGuards());
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63 }
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64
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65 public SpecializationGroup(List<SpecializationGroup> children, List<String> assumptionMatches, List<TypeGuard> typeGuardsMatches, List<GuardData> guardMatches) {
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66 assert !children.isEmpty() : "children must not be empty";
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67 this.assumptions = assumptionMatches;
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68 this.typeGuards = typeGuardsMatches;
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69 this.guards = guardMatches;
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70 this.node = children.get(0).node;
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71 this.specialization = null;
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72 updateChildren(children);
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73 }
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74
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75 public List<TypeGuard> getAllGuards() {
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76 List<TypeGuard> collectedGuards = new ArrayList<>();
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77 collectedGuards.addAll(typeGuards);
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78 if (parent != null) {
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79 collectedGuards.addAll(parent.getAllGuards());
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80 }
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81 return collectedGuards;
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82 }
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83
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84 public TypeGuard findTypeGuard(int signatureIndex) {
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85 for (TypeGuard guard : typeGuards) {
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86 if (guard.getSignatureIndex() == signatureIndex) {
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87 return guard;
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88 }
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89 }
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90 return null;
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91 }
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92
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93 public List<GuardData> getElseConnectableGuards() {
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94 if (!getTypeGuards().isEmpty() || !getAssumptions().isEmpty()) {
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95 return Collections.emptyList();
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96 }
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97
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98 if (getGuards().isEmpty()) {
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99 return Collections.emptyList();
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100 }
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101
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102 List<GuardData> elseConnectableGuards = new ArrayList<>();
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103 int guardIndex = 0;
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104 while (guardIndex < getGuards().size() && findNegatedGuardInPrevious(getGuards().get(guardIndex)) != null) {
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105 elseConnectableGuards.add(getGuards().get(guardIndex));
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106 guardIndex++;
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107 }
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108
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109 return elseConnectableGuards;
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110 }
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111
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112 private GuardData findNegatedGuardInPrevious(GuardData guard) {
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113 SpecializationGroup previous = this.getPreviousGroup();
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114 if (previous == null) {
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115 return null;
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116 }
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117 List<GuardData> elseConnectedGuards = previous.getElseConnectableGuards();
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118
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119 if (previous == null || previous.getGuards().size() != elseConnectedGuards.size() + 1) {
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120 return null;
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121 }
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122 GuardData previousGuard = previous.getGuards().get(elseConnectedGuards.size());
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123 if (guard.getMethod().equals(previousGuard.getMethod()) && guard.isNegated() != previousGuard.isNegated()) {
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124 return guard;
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125 }
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126 return null;
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127 }
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128
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129 private void updateChildren(List<SpecializationGroup> childs) {
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130 if (!children.isEmpty()) {
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131 children.clear();
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parents:
diff changeset
132 }
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133 this.children.addAll(childs);
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134 for (SpecializationGroup child : childs) {
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135 child.parent = this;
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diff changeset
136 }
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
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137 }
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
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138
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139 public SpecializationGroup getParent() {
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140 return parent;
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diff changeset
141 }
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142
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143 public List<String> getAssumptions() {
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144 return assumptions;
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145 }
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146
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147 public List<TypeGuard> getTypeGuards() {
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148 return typeGuards;
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149 }
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150
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151 public List<GuardData> getGuards() {
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152 return guards;
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153 }
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154
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155 public List<SpecializationGroup> getChildren() {
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156 return children;
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157 }
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158
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159 public SpecializationData getSpecialization() {
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160 return specialization;
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161 }
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162
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163 private static SpecializationGroup combine(List<SpecializationGroup> groups) {
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164 if (groups.isEmpty()) {
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165 throw new IllegalArgumentException("empty combinations");
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166 }
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
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parents:
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167 if (groups.size() == 1) {
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168 return null;
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
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169 }
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170
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171 List<String> assumptionMatches = new ArrayList<>();
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172 List<TypeGuard> typeGuardsMatches = new ArrayList<>();
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173 List<GuardData> guardMatches = new ArrayList<>();
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174
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
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175 SpecializationGroup first = groups.get(0);
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176 List<SpecializationGroup> others = groups.subList(1, groups.size());
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177
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178 outer: for (String assumption : first.assumptions) {
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179 for (SpecializationGroup other : others) {
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diff changeset
180 if (!other.assumptions.contains(assumption)) {
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
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181 // assumptions can be combined unordered
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182 continue outer;
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
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parents:
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183 }
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
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184 }
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
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185 assumptionMatches.add(assumption);
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parents:
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186 }
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
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187
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diff changeset
188 outer: for (TypeGuard typeGuard : first.typeGuards) {
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189 for (SpecializationGroup other : others) {
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diff changeset
190 if (!other.typeGuards.contains(typeGuard)) {
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191 // type guards can be combined unordered
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192 continue outer;
11195
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parents:
diff changeset
193 }
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
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194 }
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
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parents:
diff changeset
195 typeGuardsMatches.add(typeGuard);
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diff changeset
196 }
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
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parents:
diff changeset
197
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
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parents:
diff changeset
198 outer: for (GuardData guard : first.guards) {
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diff changeset
199 for (SpecializationGroup other : others) {
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
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parents:
diff changeset
200 if (!other.guards.contains(guard)) {
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
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parents:
diff changeset
201 // we must break here. One guard may depend on the other.
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
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parents:
diff changeset
202 break outer;
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
203 }
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
204 }
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
205 guardMatches.add(guard);
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
206 }
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
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parents:
diff changeset
207
11442
2868b55001d4 Truffle-DSL: fixed specializationg grouping failed with guards using base types.
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parents: 11201
diff changeset
208 // check for guards for required type casts
2868b55001d4 Truffle-DSL: fixed specializationg grouping failed with guards using base types.
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parents: 11201
diff changeset
209 for (Iterator<GuardData> iterator = guardMatches.iterator(); iterator.hasNext();) {
2868b55001d4 Truffle-DSL: fixed specializationg grouping failed with guards using base types.
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parents: 11201
diff changeset
210 GuardData guardMatch = iterator.next();
2868b55001d4 Truffle-DSL: fixed specializationg grouping failed with guards using base types.
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diff changeset
211
11471
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diff changeset
212 int signatureIndex = 0;
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parents: 11443
diff changeset
213 for (ActualParameter parameter : guardMatch.getParameters()) {
5d72a3f5a31d Truffle-DSL: fixed a bug in else connections for specialization grouping.
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parents: 11443
diff changeset
214 signatureIndex++;
5d72a3f5a31d Truffle-DSL: fixed a bug in else connections for specialization grouping.
Christian Humer <christian.humer@gmail.com>
parents: 11443
diff changeset
215 if (parameter.getSpecification().isSignature()) {
5d72a3f5a31d Truffle-DSL: fixed a bug in else connections for specialization grouping.
Christian Humer <christian.humer@gmail.com>
parents: 11443
diff changeset
216 continue;
5d72a3f5a31d Truffle-DSL: fixed a bug in else connections for specialization grouping.
Christian Humer <christian.humer@gmail.com>
parents: 11443
diff changeset
217 }
5d72a3f5a31d Truffle-DSL: fixed a bug in else connections for specialization grouping.
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parents: 11443
diff changeset
218
5d72a3f5a31d Truffle-DSL: fixed a bug in else connections for specialization grouping.
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diff changeset
219 TypeMirror guardType = parameter.getType();
11442
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diff changeset
220
2868b55001d4 Truffle-DSL: fixed specializationg grouping failed with guards using base types.
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diff changeset
221 // object guards can be safely moved up
2868b55001d4 Truffle-DSL: fixed specializationg grouping failed with guards using base types.
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parents: 11201
diff changeset
222 if (Utils.isObject(guardType)) {
2868b55001d4 Truffle-DSL: fixed specializationg grouping failed with guards using base types.
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parents: 11201
diff changeset
223 continue;
2868b55001d4 Truffle-DSL: fixed specializationg grouping failed with guards using base types.
Christian Humer <christian.humer@gmail.com>
parents: 11201
diff changeset
224 }
2868b55001d4 Truffle-DSL: fixed specializationg grouping failed with guards using base types.
Christian Humer <christian.humer@gmail.com>
parents: 11201
diff changeset
225
11471
5d72a3f5a31d Truffle-DSL: fixed a bug in else connections for specialization grouping.
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diff changeset
226 // generic guards can be safely moved up
5d72a3f5a31d Truffle-DSL: fixed a bug in else connections for specialization grouping.
Christian Humer <christian.humer@gmail.com>
parents: 11443
diff changeset
227 SpecializationData generic = first.node.getGenericSpecialization();
5d72a3f5a31d Truffle-DSL: fixed a bug in else connections for specialization grouping.
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parents: 11443
diff changeset
228 if (generic != null) {
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parents: 11443
diff changeset
229 ActualParameter genericParameter = generic.findParameter(parameter.getLocalName());
5d72a3f5a31d Truffle-DSL: fixed a bug in else connections for specialization grouping.
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parents: 11443
diff changeset
230 if (genericParameter != null && Utils.typeEquals(genericParameter.getType(), guardType)) {
5d72a3f5a31d Truffle-DSL: fixed a bug in else connections for specialization grouping.
Christian Humer <christian.humer@gmail.com>
parents: 11443
diff changeset
231 continue;
5d72a3f5a31d Truffle-DSL: fixed a bug in else connections for specialization grouping.
Christian Humer <christian.humer@gmail.com>
parents: 11443
diff changeset
232 }
5d72a3f5a31d Truffle-DSL: fixed a bug in else connections for specialization grouping.
Christian Humer <christian.humer@gmail.com>
parents: 11443
diff changeset
233 }
5d72a3f5a31d Truffle-DSL: fixed a bug in else connections for specialization grouping.
Christian Humer <christian.humer@gmail.com>
parents: 11443
diff changeset
234
11442
2868b55001d4 Truffle-DSL: fixed specializationg grouping failed with guards using base types.
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diff changeset
235 // signature index required for moving up guards
2868b55001d4 Truffle-DSL: fixed specializationg grouping failed with guards using base types.
Christian Humer <christian.humer@gmail.com>
parents: 11201
diff changeset
236 if (containsIndex(typeGuardsMatches, signatureIndex) || (first.getParent() != null && first.getParent().containsTypeGuardIndex(signatureIndex))) {
2868b55001d4 Truffle-DSL: fixed specializationg grouping failed with guards using base types.
Christian Humer <christian.humer@gmail.com>
parents: 11201
diff changeset
237 continue;
2868b55001d4 Truffle-DSL: fixed specializationg grouping failed with guards using base types.
Christian Humer <christian.humer@gmail.com>
parents: 11201
diff changeset
238 }
2868b55001d4 Truffle-DSL: fixed specializationg grouping failed with guards using base types.
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parents: 11201
diff changeset
239
2868b55001d4 Truffle-DSL: fixed specializationg grouping failed with guards using base types.
Christian Humer <christian.humer@gmail.com>
parents: 11201
diff changeset
240 iterator.remove();
2868b55001d4 Truffle-DSL: fixed specializationg grouping failed with guards using base types.
Christian Humer <christian.humer@gmail.com>
parents: 11201
diff changeset
241 break;
2868b55001d4 Truffle-DSL: fixed specializationg grouping failed with guards using base types.
Christian Humer <christian.humer@gmail.com>
parents: 11201
diff changeset
242 }
2868b55001d4 Truffle-DSL: fixed specializationg grouping failed with guards using base types.
Christian Humer <christian.humer@gmail.com>
parents: 11201
diff changeset
243 }
2868b55001d4 Truffle-DSL: fixed specializationg grouping failed with guards using base types.
Christian Humer <christian.humer@gmail.com>
parents: 11201
diff changeset
244
11195
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
245 if (assumptionMatches.isEmpty() && typeGuardsMatches.isEmpty() && guardMatches.isEmpty()) {
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
246 return null;
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
247 }
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
248
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
249 for (SpecializationGroup group : groups) {
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
250 group.assumptions.removeAll(assumptionMatches);
11201
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diff changeset
251 group.typeGuards.removeAll(typeGuardsMatches);
11195
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parents:
diff changeset
252 group.guards.removeAll(guardMatches);
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
253 }
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
254
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
255 List<SpecializationGroup> newChildren = new ArrayList<>(groups);
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
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parents:
diff changeset
256 return new SpecializationGroup(newChildren, assumptionMatches, typeGuardsMatches, guardMatches);
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
257 }
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
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parents:
diff changeset
258
11442
2868b55001d4 Truffle-DSL: fixed specializationg grouping failed with guards using base types.
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diff changeset
259 private boolean containsTypeGuardIndex(int index) {
2868b55001d4 Truffle-DSL: fixed specializationg grouping failed with guards using base types.
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diff changeset
260 if (containsIndex(typeGuards, index)) {
2868b55001d4 Truffle-DSL: fixed specializationg grouping failed with guards using base types.
Christian Humer <christian.humer@gmail.com>
parents: 11201
diff changeset
261 return true;
2868b55001d4 Truffle-DSL: fixed specializationg grouping failed with guards using base types.
Christian Humer <christian.humer@gmail.com>
parents: 11201
diff changeset
262 }
2868b55001d4 Truffle-DSL: fixed specializationg grouping failed with guards using base types.
Christian Humer <christian.humer@gmail.com>
parents: 11201
diff changeset
263 if (parent != null) {
2868b55001d4 Truffle-DSL: fixed specializationg grouping failed with guards using base types.
Christian Humer <christian.humer@gmail.com>
parents: 11201
diff changeset
264 return parent.containsTypeGuardIndex(index);
2868b55001d4 Truffle-DSL: fixed specializationg grouping failed with guards using base types.
Christian Humer <christian.humer@gmail.com>
parents: 11201
diff changeset
265 }
2868b55001d4 Truffle-DSL: fixed specializationg grouping failed with guards using base types.
Christian Humer <christian.humer@gmail.com>
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diff changeset
266 return false;
2868b55001d4 Truffle-DSL: fixed specializationg grouping failed with guards using base types.
Christian Humer <christian.humer@gmail.com>
parents: 11201
diff changeset
267 }
2868b55001d4 Truffle-DSL: fixed specializationg grouping failed with guards using base types.
Christian Humer <christian.humer@gmail.com>
parents: 11201
diff changeset
268
2868b55001d4 Truffle-DSL: fixed specializationg grouping failed with guards using base types.
Christian Humer <christian.humer@gmail.com>
parents: 11201
diff changeset
269 private static boolean containsIndex(List<TypeGuard> typeGuards, int signatureIndex) {
2868b55001d4 Truffle-DSL: fixed specializationg grouping failed with guards using base types.
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parents: 11201
diff changeset
270 for (TypeGuard guard : typeGuards) {
2868b55001d4 Truffle-DSL: fixed specializationg grouping failed with guards using base types.
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parents: 11201
diff changeset
271 if (guard.signatureIndex == signatureIndex) {
2868b55001d4 Truffle-DSL: fixed specializationg grouping failed with guards using base types.
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diff changeset
272 return true;
2868b55001d4 Truffle-DSL: fixed specializationg grouping failed with guards using base types.
Christian Humer <christian.humer@gmail.com>
parents: 11201
diff changeset
273 }
2868b55001d4 Truffle-DSL: fixed specializationg grouping failed with guards using base types.
Christian Humer <christian.humer@gmail.com>
parents: 11201
diff changeset
274 }
2868b55001d4 Truffle-DSL: fixed specializationg grouping failed with guards using base types.
Christian Humer <christian.humer@gmail.com>
parents: 11201
diff changeset
275 return false;
2868b55001d4 Truffle-DSL: fixed specializationg grouping failed with guards using base types.
Christian Humer <christian.humer@gmail.com>
parents: 11201
diff changeset
276 }
2868b55001d4 Truffle-DSL: fixed specializationg grouping failed with guards using base types.
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parents: 11201
diff changeset
277
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parents: 11442
diff changeset
278 public static SpecializationGroup create(SpecializationData specialization) {
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diff changeset
279 return new SpecializationGroup(specialization);
b33783cbd8ce Truffle-DSL: refactored redundant guard generation code.
Christian Humer <christian.humer@gmail.com>
parents: 11442
diff changeset
280 }
b33783cbd8ce Truffle-DSL: refactored redundant guard generation code.
Christian Humer <christian.humer@gmail.com>
parents: 11442
diff changeset
281
11201
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diff changeset
282 public static SpecializationGroup create(List<SpecializationData> specializations) {
11195
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parents:
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283 List<SpecializationGroup> groups = new ArrayList<>();
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
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parents:
diff changeset
284 for (SpecializationData specialization : specializations) {
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
285 groups.add(new SpecializationGroup(specialization));
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
286 }
11201
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diff changeset
287 return new SpecializationGroup(createCombinationalGroups(groups), Collections.<String> emptyList(), Collections.<TypeGuard> emptyList(), Collections.<GuardData> emptyList());
11195
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parents:
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288 }
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
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289
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
290 @Override
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
291 public String toString() {
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
292 return "SpecializationGroup [assumptions=" + assumptions + ", typeGuards=" + typeGuards + ", guards=" + guards + "]";
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
293 }
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
294
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
295 private static List<SpecializationGroup> createCombinationalGroups(List<SpecializationGroup> groups) {
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
296 if (groups.size() <= 1) {
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
297 return groups;
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
298 }
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
299 List<SpecializationGroup> newGroups = new ArrayList<>();
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
300
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
301 int i = 0;
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
302 for (i = 0; i < groups.size();) {
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
303 SpecializationGroup combined = null;
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
304 for (int j = groups.size(); j > i + 1; j--) {
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
305 combined = combine(groups.subList(i, j));
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
306 if (combined != null) {
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
307 break;
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
308 }
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
309 }
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
310 SpecializationGroup newGroup;
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
311 if (combined == null) {
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
312 newGroup = groups.get(i);
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
313 i++;
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
314 } else {
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
315 newGroup = combined;
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
316 List<SpecializationGroup> originalGroups = new ArrayList<>(combined.children);
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
317 combined.updateChildren(createCombinationalGroups(originalGroups));
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
318 i += originalGroups.size();
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
319 }
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
320
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
321 newGroups.add(newGroup);
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
322
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
323 }
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
324
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
325 return newGroups;
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
326 }
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
327
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
328 public SpecializationGroup getPreviousGroup() {
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
329 if (parent == null || parent.children.isEmpty()) {
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
330 return null;
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
331 }
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
332 int index = parent.children.indexOf(this);
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
333 if (index <= 0) {
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
334 return null;
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
335 }
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
336 return parent.children.get(index - 1);
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
337 }
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
338
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
339 public int getMaxSpecializationIndex() {
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
340 if (specialization != null) {
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
341 return specialization.getNode().getSpecializations().indexOf(specialization);
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
342 } else {
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
343 int max = Integer.MIN_VALUE;
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
344 for (SpecializationGroup childGroup : getChildren()) {
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
345 max = Math.max(max, childGroup.getMaxSpecializationIndex());
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
346 }
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
347 return max;
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
348 }
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
349 }
11201
7fc3e1fb3965 Truffle-DSL: specialization group fixes.
Christian Humer <christian.humer@gmail.com>
parents: 11195
diff changeset
350
7fc3e1fb3965 Truffle-DSL: specialization group fixes.
Christian Humer <christian.humer@gmail.com>
parents: 11195
diff changeset
351 public static final class TypeGuard {
7fc3e1fb3965 Truffle-DSL: specialization group fixes.
Christian Humer <christian.humer@gmail.com>
parents: 11195
diff changeset
352
7fc3e1fb3965 Truffle-DSL: specialization group fixes.
Christian Humer <christian.humer@gmail.com>
parents: 11195
diff changeset
353 private final int signatureIndex;
7fc3e1fb3965 Truffle-DSL: specialization group fixes.
Christian Humer <christian.humer@gmail.com>
parents: 11195
diff changeset
354 private final TypeData type;
7fc3e1fb3965 Truffle-DSL: specialization group fixes.
Christian Humer <christian.humer@gmail.com>
parents: 11195
diff changeset
355
7fc3e1fb3965 Truffle-DSL: specialization group fixes.
Christian Humer <christian.humer@gmail.com>
parents: 11195
diff changeset
356 public TypeGuard(TypeData type, int signatureIndex) {
7fc3e1fb3965 Truffle-DSL: specialization group fixes.
Christian Humer <christian.humer@gmail.com>
parents: 11195
diff changeset
357 this.type = type;
7fc3e1fb3965 Truffle-DSL: specialization group fixes.
Christian Humer <christian.humer@gmail.com>
parents: 11195
diff changeset
358 this.signatureIndex = signatureIndex;
7fc3e1fb3965 Truffle-DSL: specialization group fixes.
Christian Humer <christian.humer@gmail.com>
parents: 11195
diff changeset
359 }
7fc3e1fb3965 Truffle-DSL: specialization group fixes.
Christian Humer <christian.humer@gmail.com>
parents: 11195
diff changeset
360
7fc3e1fb3965 Truffle-DSL: specialization group fixes.
Christian Humer <christian.humer@gmail.com>
parents: 11195
diff changeset
361 @Override
7fc3e1fb3965 Truffle-DSL: specialization group fixes.
Christian Humer <christian.humer@gmail.com>
parents: 11195
diff changeset
362 public int hashCode() {
7fc3e1fb3965 Truffle-DSL: specialization group fixes.
Christian Humer <christian.humer@gmail.com>
parents: 11195
diff changeset
363 final int prime = 31;
7fc3e1fb3965 Truffle-DSL: specialization group fixes.
Christian Humer <christian.humer@gmail.com>
parents: 11195
diff changeset
364 int result = 1;
7fc3e1fb3965 Truffle-DSL: specialization group fixes.
Christian Humer <christian.humer@gmail.com>
parents: 11195
diff changeset
365 result = prime * result + signatureIndex;
7fc3e1fb3965 Truffle-DSL: specialization group fixes.
Christian Humer <christian.humer@gmail.com>
parents: 11195
diff changeset
366 result = prime * result + type.hashCode();
7fc3e1fb3965 Truffle-DSL: specialization group fixes.
Christian Humer <christian.humer@gmail.com>
parents: 11195
diff changeset
367 return result;
7fc3e1fb3965 Truffle-DSL: specialization group fixes.
Christian Humer <christian.humer@gmail.com>
parents: 11195
diff changeset
368 }
7fc3e1fb3965 Truffle-DSL: specialization group fixes.
Christian Humer <christian.humer@gmail.com>
parents: 11195
diff changeset
369
7fc3e1fb3965 Truffle-DSL: specialization group fixes.
Christian Humer <christian.humer@gmail.com>
parents: 11195
diff changeset
370 @Override
7fc3e1fb3965 Truffle-DSL: specialization group fixes.
Christian Humer <christian.humer@gmail.com>
parents: 11195
diff changeset
371 public boolean equals(Object obj) {
7fc3e1fb3965 Truffle-DSL: specialization group fixes.
Christian Humer <christian.humer@gmail.com>
parents: 11195
diff changeset
372 if (this == obj) {
7fc3e1fb3965 Truffle-DSL: specialization group fixes.
Christian Humer <christian.humer@gmail.com>
parents: 11195
diff changeset
373 return true;
7fc3e1fb3965 Truffle-DSL: specialization group fixes.
Christian Humer <christian.humer@gmail.com>
parents: 11195
diff changeset
374 } else if (obj == null) {
7fc3e1fb3965 Truffle-DSL: specialization group fixes.
Christian Humer <christian.humer@gmail.com>
parents: 11195
diff changeset
375 return false;
7fc3e1fb3965 Truffle-DSL: specialization group fixes.
Christian Humer <christian.humer@gmail.com>
parents: 11195
diff changeset
376 } else if (getClass() != obj.getClass()) {
7fc3e1fb3965 Truffle-DSL: specialization group fixes.
Christian Humer <christian.humer@gmail.com>
parents: 11195
diff changeset
377 return false;
7fc3e1fb3965 Truffle-DSL: specialization group fixes.
Christian Humer <christian.humer@gmail.com>
parents: 11195
diff changeset
378 }
7fc3e1fb3965 Truffle-DSL: specialization group fixes.
Christian Humer <christian.humer@gmail.com>
parents: 11195
diff changeset
379
7fc3e1fb3965 Truffle-DSL: specialization group fixes.
Christian Humer <christian.humer@gmail.com>
parents: 11195
diff changeset
380 TypeGuard other = (TypeGuard) obj;
7fc3e1fb3965 Truffle-DSL: specialization group fixes.
Christian Humer <christian.humer@gmail.com>
parents: 11195
diff changeset
381 if (signatureIndex != other.signatureIndex) {
7fc3e1fb3965 Truffle-DSL: specialization group fixes.
Christian Humer <christian.humer@gmail.com>
parents: 11195
diff changeset
382 return false;
7fc3e1fb3965 Truffle-DSL: specialization group fixes.
Christian Humer <christian.humer@gmail.com>
parents: 11195
diff changeset
383 } else if (!type.equals(other.type)) {
7fc3e1fb3965 Truffle-DSL: specialization group fixes.
Christian Humer <christian.humer@gmail.com>
parents: 11195
diff changeset
384 return false;
7fc3e1fb3965 Truffle-DSL: specialization group fixes.
Christian Humer <christian.humer@gmail.com>
parents: 11195
diff changeset
385 }
7fc3e1fb3965 Truffle-DSL: specialization group fixes.
Christian Humer <christian.humer@gmail.com>
parents: 11195
diff changeset
386 return true;
7fc3e1fb3965 Truffle-DSL: specialization group fixes.
Christian Humer <christian.humer@gmail.com>
parents: 11195
diff changeset
387 }
7fc3e1fb3965 Truffle-DSL: specialization group fixes.
Christian Humer <christian.humer@gmail.com>
parents: 11195
diff changeset
388
7fc3e1fb3965 Truffle-DSL: specialization group fixes.
Christian Humer <christian.humer@gmail.com>
parents: 11195
diff changeset
389 public int getSignatureIndex() {
7fc3e1fb3965 Truffle-DSL: specialization group fixes.
Christian Humer <christian.humer@gmail.com>
parents: 11195
diff changeset
390 return signatureIndex;
7fc3e1fb3965 Truffle-DSL: specialization group fixes.
Christian Humer <christian.humer@gmail.com>
parents: 11195
diff changeset
391 }
7fc3e1fb3965 Truffle-DSL: specialization group fixes.
Christian Humer <christian.humer@gmail.com>
parents: 11195
diff changeset
392
7fc3e1fb3965 Truffle-DSL: specialization group fixes.
Christian Humer <christian.humer@gmail.com>
parents: 11195
diff changeset
393 public TypeData getType() {
7fc3e1fb3965 Truffle-DSL: specialization group fixes.
Christian Humer <christian.humer@gmail.com>
parents: 11195
diff changeset
394 return type;
7fc3e1fb3965 Truffle-DSL: specialization group fixes.
Christian Humer <christian.humer@gmail.com>
parents: 11195
diff changeset
395 }
7fc3e1fb3965 Truffle-DSL: specialization group fixes.
Christian Humer <christian.humer@gmail.com>
parents: 11195
diff changeset
396 }
11195
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
397 }