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annotate graal/com.oracle.truffle.dsl.processor/src/com/oracle/truffle/dsl/processor/model/TypeSystemData.java @ 20938:18c0f02fa4d2

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Truffle-DSL: make type systems optional.
author Christian Humer <christian.humer@gmail.com>
date Tue, 14 Apr 2015 15:12:48 +0200
parents ae81dd154fb6
children e6b59c7b3991
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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.model;
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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.element.*;
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28 import javax.lang.model.type.*;
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29
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30 import com.oracle.truffle.api.dsl.internal.*;
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31 import com.oracle.truffle.dsl.processor.*;
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32 import com.oracle.truffle.dsl.processor.java.*;
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33
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34 public class TypeSystemData extends Template {
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35
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36 private final List<ImplicitCastData> implicitCasts = new ArrayList<>();
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37 private final List<TypeCastData> casts = new ArrayList<>();
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38 private final List<TypeCheckData> checks = new ArrayList<>();
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39 private final List<TypeMirror> legacyTypes = new ArrayList<>();
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40
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41 private Set<String> legacyTypeIds;
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42
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43 private final boolean isDefault;
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44 private final DSLOptions options;
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45
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46 public TypeSystemData(ProcessorContext context, TypeElement templateType, AnnotationMirror annotation, DSLOptions options, boolean isDefault) {
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47 super(context, templateType, annotation);
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48 this.options = options;
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49 this.isDefault = isDefault;
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50 }
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51
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52 public boolean isDefault() {
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53 return isDefault;
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54 }
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55
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56 public DSLOptions getOptions() {
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57 return options;
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58 }
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59
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60 @Override
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61 public TypeSystemData getTypeSystem() {
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62 return this;
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63 }
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64
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65 public List<TypeMirror> getLegacyTypes() {
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66 return legacyTypes;
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67 }
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68
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69 public TypeCastData getCast(TypeMirror targetType) {
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70 for (TypeCastData cast : casts) {
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71 if (ElementUtils.typeEquals(cast.getTargetType(), targetType)) {
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72 return cast;
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73 }
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74 }
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75 return null;
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76 }
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77
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78 public TypeCheckData getCheck(TypeMirror type) {
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79 for (TypeCheckData check : checks) {
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80 if (ElementUtils.typeEquals(check.getCheckedType(), type)) {
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81 return check;
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82 }
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83 }
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84 return null;
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85 }
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86
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87 public List<ImplicitCastData> getImplicitCasts() {
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88 return implicitCasts;
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89 }
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90
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91 public List<TypeCastData> getCasts() {
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92 return casts;
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93 }
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94
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95 public List<TypeCheckData> getChecks() {
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96 return checks;
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97 }
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98
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99 @Override
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100 protected List<MessageContainer> findChildContainers() {
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101 List<MessageContainer> sinks = new ArrayList<>();
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102 if (checks != null) {
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103 sinks.addAll(checks);
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104 }
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105 if (casts != null) {
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106 sinks.addAll(casts);
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107 }
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108 if (implicitCasts != null) {
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109 sinks.addAll(implicitCasts);
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110 }
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111 return sinks;
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112 }
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113
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114 @Override
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115 public String toString() {
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116 return getClass().getSimpleName() + "[template = " + ElementUtils.getSimpleName(getTemplateType()) + "]";
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117 }
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118
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119 public List<ImplicitCastData> lookupByTargetType(TypeMirror targetType) {
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120 if (getImplicitCasts() == null) {
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121 return Collections.emptyList();
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122 }
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123 List<ImplicitCastData> foundCasts = new ArrayList<>();
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124 for (ImplicitCastData cast : getImplicitCasts()) {
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125 if (ElementUtils.typeEquals(cast.getTargetType(), targetType)) {
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126 foundCasts.add(cast);
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127 }
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128 }
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129 return foundCasts;
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130 }
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131
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132 public ImplicitCastData lookupCast(TypeMirror sourceType, TypeMirror targetType) {
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133 if (getImplicitCasts() == null) {
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134 return null;
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135 }
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136 for (ImplicitCastData cast : getImplicitCasts()) {
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137 if (cast.getSourceType().equals(sourceType) && cast.getTargetType().equals(targetType)) {
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138 return cast;
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139 }
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140 }
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141 return null;
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142 }
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143
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144 public boolean hasImplicitSourceTypes(TypeMirror targetType) {
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145 if (getImplicitCasts() == null) {
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146 return false;
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147 }
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148 for (ImplicitCastData cast : getImplicitCasts()) {
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149 if (ElementUtils.typeEquals(cast.getTargetType(), targetType)) {
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150 return true;
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151 }
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152 }
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153 return false;
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154 }
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155
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156 public List<TypeMirror> lookupTargetTypes() {
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157 List<TypeMirror> sourceTypes = new ArrayList<>();
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158 for (ImplicitCastData cast : getImplicitCasts()) {
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159 sourceTypes.add(cast.getTargetType());
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160 }
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161 return ElementUtils.uniqueSortedTypes(sourceTypes);
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162 }
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163
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164 public List<TypeMirror> lookupSourceTypes(TypeMirror targetType) {
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165 List<TypeMirror> sourceTypes = new ArrayList<>();
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166 sourceTypes.add(targetType);
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167 for (ImplicitCastData cast : getImplicitCasts()) {
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168 if (ElementUtils.typeEquals(cast.getTargetType(), targetType)) {
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169 sourceTypes.add(cast.getSourceType());
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170 }
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171 }
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172 return sourceTypes;
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173 }
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174
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175 public boolean isImplicitSubtypeOf(TypeMirror source, TypeMirror target) {
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176 List<ImplicitCastData> targetCasts = lookupByTargetType(target);
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177 for (ImplicitCastData cast : targetCasts) {
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178 if (ElementUtils.isSubtype(boxType(source), boxType(cast.getSourceType()))) {
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179 return true;
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180 }
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181 }
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182 return ElementUtils.isSubtype(boxType(source), boxType(target));
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183 }
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184
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185 public TypeMirror boxType(TypeMirror type) {
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186 return ElementUtils.boxType(getContext(), type);
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187 }
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188
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189 public boolean hasType(TypeMirror type) {
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190 if (legacyTypeIds == null) {
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191 legacyTypeIds = new HashSet<>();
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192 for (TypeMirror legacyType : legacyTypes) {
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193 legacyTypeIds.add(ElementUtils.getTypeId(legacyType));
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194 }
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195 }
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196 return legacyTypeIds.contains(ElementUtils.getTypeId(type));
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197 }
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198
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199 }