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annotate graal/com.oracle.truffle.codegen.processor/src/com/oracle/truffle/codegen/processor/ProcessorContext.java @ 7291:a748e4d44694

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Truffle API to specify type-specalized Node classes; annotation processor for automatic code generation of the type-specialized Node classes during the build process
author Christian Humer <christian.humer@gmail.com>
date Fri, 21 Dec 2012 10:44:31 -0800
parents
children 57edf6b07d36
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a748e4d44694 Truffle API to specify type-specalized Node classes; annotation processor for automatic code generation of the type-specialized Node classes during the build process
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1 /*
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2 * Copyright (c) 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;
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24
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25 import static com.oracle.truffle.codegen.processor.Utils.*;
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26
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27 import java.util.*;
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29 import javax.annotation.processing.*;
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30 import javax.lang.model.element.*;
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31 import javax.lang.model.type.*;
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32
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33 import com.oracle.truffle.codegen.processor.ast.CodeTypeMirror.ArrayCodeTypeMirror;
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34 import com.oracle.truffle.codegen.processor.template.*;
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35
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36 /**
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37 * THIS IS NOT PUBLIC API.
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38 */
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39 public class ProcessorContext {
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40
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41 private final ProcessingEnvironment environment;
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42
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43 private final Map<String, Template> models = new HashMap<>();
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44 private final Map<String, Map<String, TypeMirror>> generatedClasses = new HashMap<>();
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45
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46 private final ProcessCallback callback;
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47 private final Log log;
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48 private final TruffleTypes truffleTypes;
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49
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50 public ProcessorContext(ProcessingEnvironment env, ProcessCallback callback) {
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51 this.environment = env;
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52 this.callback = callback;
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53 this.log = new Log(environment);
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54 this.truffleTypes = new TruffleTypes(this);
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55 }
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56
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57 public TruffleTypes getTruffleTypes() {
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58 return truffleTypes;
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59 }
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60
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61 public Log getLog() {
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62 return log;
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63 }
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64
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65 public ProcessingEnvironment getEnvironment() {
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66 return environment;
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67 }
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68
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69 public boolean containsTemplate(TypeElement element) {
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70 return models.containsKey(Utils.getQualifiedName(element));
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71 }
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72
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73 public void registerTemplate(TypeElement element, Template model) {
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74 models.put(Utils.getQualifiedName(element), model);
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75 }
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76
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77 public void registerType(TypeElement templateType, TypeMirror generatedTypeMirror) {
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78 String templateQualifiedName = getQualifiedName(templateType);
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79 Map<String, TypeMirror> simpleNameToType = generatedClasses.get(templateQualifiedName);
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80 if (simpleNameToType == null) {
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81 simpleNameToType = new HashMap<>();
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82 generatedClasses.put(templateQualifiedName, simpleNameToType);
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83 }
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84 String generatedSimpleName = getSimpleName(generatedTypeMirror);
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85 simpleNameToType.put(generatedSimpleName, generatedTypeMirror);
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86 }
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87
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88 public Template getTemplate(TypeMirror templateTypeMirror, boolean invokeCallback) {
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89 String qualifiedName = Utils.getQualifiedName(templateTypeMirror);
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90 Template model = models.get(qualifiedName);
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91 if (model == null && invokeCallback) {
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92 callback.callback(Utils.fromTypeMirror(templateTypeMirror));
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93 model = models.get(qualifiedName);
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94 }
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95 return model;
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96 }
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97
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98 public TypeMirror resolveNotYetCompiledType(TypeMirror mirror, Template templateHint) {
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99 TypeMirror resolvedType = null;
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100 if (mirror.getKind() == TypeKind.ARRAY) {
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101 TypeMirror originalComponentType = ((ArrayType) mirror).getComponentType();
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102 TypeMirror resolvedComponent = resolveNotYetCompiledType(originalComponentType, templateHint);
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103 if (resolvedComponent != originalComponentType) {
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104 return new ArrayCodeTypeMirror(resolvedComponent);
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105 }
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106 }
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107
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108 if (mirror.getKind() == TypeKind.ERROR) {
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109 Element element = ((ErrorType) mirror).asElement();
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110 ElementKind kind = element.getKind();
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111 if (kind == ElementKind.CLASS || kind == ElementKind.PARAMETER || kind == ElementKind.ENUM) {
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112 String simpleName = element.getSimpleName().toString();
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113 resolvedType = findGeneratedClassBySimpleName(simpleName, templateHint);
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114 }
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115 } else {
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116 resolvedType = mirror;
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117 }
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118
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119 return resolvedType;
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120 }
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121
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122 public TypeMirror findGeneratedClassBySimpleName(String simpleName, Template templateHint) {
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123 if (templateHint == null) {
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124 // search all
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125 for (String qualifiedTemplateName : generatedClasses.keySet()) {
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126 Map<String, TypeMirror> mirrors = generatedClasses.get(qualifiedTemplateName);
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127 if (mirrors.get(simpleName) != null) {
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128 return mirrors.get(simpleName);
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129 }
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130 }
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131 return null;
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132 } else {
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133 String templateQualifiedName = getQualifiedName(templateHint.getTemplateType());
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134 Map<String, TypeMirror> simpleNameToType = generatedClasses.get(templateQualifiedName);
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135 if (simpleNameToType == null) {
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136 return null;
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137 }
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138 return simpleNameToType.get(simpleName);
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139 }
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140 }
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141
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142 public TypeMirror getType(String className) {
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143 TypeElement element = environment.getElementUtils().getTypeElement(className);
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144 if (element != null) {
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145 return element.asType();
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146 }
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147 return null;
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148 }
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149
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150 public TypeMirror getType(Class< ? > element) {
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151 TypeMirror mirror;
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152 if (element.isPrimitive()) {
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153 if (element == boolean.class) {
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154 mirror = environment.getTypeUtils().getPrimitiveType(TypeKind.BOOLEAN);
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155 } else if (element == byte.class) {
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156 mirror = environment.getTypeUtils().getPrimitiveType(TypeKind.BYTE);
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157 } else if (element == short.class) {
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158 mirror = environment.getTypeUtils().getPrimitiveType(TypeKind.SHORT);
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159 } else if (element == char.class) {
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160 mirror = environment.getTypeUtils().getPrimitiveType(TypeKind.CHAR);
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161 } else if (element == int.class) {
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162 mirror = environment.getTypeUtils().getPrimitiveType(TypeKind.INT);
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163 } else if (element == long.class) {
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164 mirror = environment.getTypeUtils().getPrimitiveType(TypeKind.LONG);
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165 } else if (element == float.class) {
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166 mirror = environment.getTypeUtils().getPrimitiveType(TypeKind.FLOAT);
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167 } else if (element == double.class) {
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168 mirror = environment.getTypeUtils().getPrimitiveType(TypeKind.DOUBLE);
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169 } else if (element == void.class) {
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170 mirror = environment.getTypeUtils().getNoType(TypeKind.VOID);
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171 } else {
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172 assert false;
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173 return null;
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174 }
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175 } else {
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176 TypeElement typeElement = environment.getElementUtils().getTypeElement(element.getCanonicalName());
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177 mirror = typeElement.asType();
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178 }
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179 return mirror;
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180 }
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181
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182 public interface ProcessCallback {
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183
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184 void callback(TypeElement template);
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185
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186 }
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187
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188 }