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annotate truffle/com.oracle.truffle.dsl.processor/src/com/oracle/truffle/dsl/processor/ProcessorContext.java @ 22157:dc83cc1f94f2

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Using fully qualified imports
author Jaroslav Tulach <jaroslav.tulach@oracle.com>
date Wed, 16 Sep 2015 11:33:22 +0200
parents 9c8c0937da41
children
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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.dsl.processor;
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24
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25 import com.oracle.truffle.api.frame.Frame;
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26 import com.oracle.truffle.api.frame.MaterializedFrame;
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27 import com.oracle.truffle.api.frame.VirtualFrame;
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28 import com.oracle.truffle.dsl.processor.java.ElementUtils;
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29 import com.oracle.truffle.dsl.processor.java.model.CodeTypeMirror;
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30 import com.oracle.truffle.dsl.processor.model.Template;
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31 import java.util.Arrays;
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32 import java.util.HashMap;
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33 import java.util.List;
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34 import java.util.Map;
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35 import javax.annotation.processing.ProcessingEnvironment;
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36 import javax.lang.model.element.TypeElement;
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37 import javax.lang.model.type.ArrayType;
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38 import javax.lang.model.type.DeclaredType;
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39 import javax.lang.model.type.TypeMirror;
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40 import javax.lang.model.type.WildcardType;
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41 import javax.lang.model.util.Types;
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42
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43 /**
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44 * THIS IS NOT PUBLIC API.
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45 */
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46 public class ProcessorContext {
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47
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48 private final ProcessingEnvironment environment;
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50 private final Map<String, Template> models = new HashMap<>();
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51
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52 private final ProcessCallback callback;
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53 private final Log log;
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54 private final TruffleTypes truffleTypes;
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55
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56 ProcessorContext(ProcessingEnvironment env, ProcessCallback callback) {
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57 this.environment = env;
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58 this.callback = callback;
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59 this.log = new Log(environment);
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60 this.truffleTypes = new TruffleTypes(this);
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61 }
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62
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63 public TruffleTypes getTruffleTypes() {
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64 return truffleTypes;
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65 }
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66
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67 public Log getLog() {
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68 return log;
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69 }
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71 public ProcessingEnvironment getEnvironment() {
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72 return environment;
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73 }
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75 public boolean containsTemplate(TypeElement element) {
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76 return models.containsKey(ElementUtils.getQualifiedName(element));
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77 }
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79 public void registerTemplate(TypeElement element, Template model) {
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80 models.put(ElementUtils.getQualifiedName(element), model);
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81 }
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83 public Template getTemplate(TypeMirror templateTypeMirror, boolean invokeCallback) {
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84 String qualifiedName = ElementUtils.getQualifiedName(templateTypeMirror);
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85 Template model = models.get(qualifiedName);
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86 if (model == null && invokeCallback) {
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87 callback.callback(ElementUtils.fromTypeMirror(templateTypeMirror));
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88 model = models.get(qualifiedName);
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89 }
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90 return model;
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91 }
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92
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93 public DeclaredType getDeclaredType(Class<?> element) {
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94 return (DeclaredType) ElementUtils.getType(environment, element);
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95 }
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96
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97 public boolean isType(TypeMirror type, Class<?> clazz) {
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98 return ElementUtils.typeEquals(type, getType(clazz));
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99 }
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100
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101 public TypeMirror getType(Class<?> element) {
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102 return ElementUtils.getType(environment, element);
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103 }
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105 public interface ProcessCallback {
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107 void callback(TypeElement template);
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109 }
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111 public TypeMirror reloadTypeElement(TypeElement type) {
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112 return getType(type.getQualifiedName().toString());
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113 }
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114
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115 private TypeMirror getType(String className) {
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116 TypeElement element = environment.getElementUtils().getTypeElement(className);
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117 if (element != null) {
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118 return element.asType();
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119 }
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120 return null;
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121 }
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122
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123 public TypeMirror reloadType(TypeMirror type) {
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124 if (type instanceof CodeTypeMirror) {
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125 return type;
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126 } else if (type.getKind().isPrimitive()) {
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127 return type;
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128 }
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129 Types types = getEnvironment().getTypeUtils();
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130
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131 switch (type.getKind()) {
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132 case ARRAY:
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133 return types.getArrayType(reloadType(((ArrayType) type).getComponentType()));
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134 case WILDCARD:
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135 return types.getWildcardType(((WildcardType) type).getExtendsBound(), ((WildcardType) type).getSuperBound());
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136 case DECLARED:
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137 return reloadTypeElement((TypeElement) (((DeclaredType) type).asElement()));
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138 }
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139 return type;
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140 }
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141
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142 private static final ThreadLocal<ProcessorContext> instance = new ThreadLocal<>();
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143
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144 public static void setThreadLocalInstance(ProcessorContext context) {
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145 instance.set(context);
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146 }
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147
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148 public static ProcessorContext getInstance() {
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149 return instance.get();
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150 }
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151
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152 public List<TypeMirror> getFrameTypes() {
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153 return Arrays.asList(getType(VirtualFrame.class), getType(MaterializedFrame.class), getType(Frame.class));
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154 }
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155 }