Mercurial > hg > graal-compiler
annotate graal/com.oracle.truffle.dsl.processor/src/com/oracle/truffle/dsl/processor/ProcessorContext.java @ 21572:d6d7e51d9206
Truffle/instrumentation: catch a NPE error condition (when a tagged STATEMENT has no source information)
author | Michael Van De Vanter <michael.van.de.vanter@oracle.com> |
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date | Wed, 27 May 2015 20:49:09 -0700 |
parents | 18c0f02fa4d2 |
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rev | line source |
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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 java.util.*; |
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26 |
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27 import javax.annotation.processing.*; |
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28 import javax.lang.model.element.*; |
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29 import javax.lang.model.type.*; |
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30 import javax.lang.model.util.*; |
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31 |
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32 import com.oracle.truffle.api.frame.*; |
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33 import com.oracle.truffle.dsl.processor.java.*; |
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34 import com.oracle.truffle.dsl.processor.java.model.*; |
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35 import com.oracle.truffle.dsl.processor.model.*; |
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36 |
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37 /** |
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38 * THIS IS NOT PUBLIC API. |
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39 */ |
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40 public class ProcessorContext { |
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41 |
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42 private final ProcessingEnvironment environment; |
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43 |
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44 private final Map<String, Template> models = 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 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(ElementUtils.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(ElementUtils.getQualifiedName(element), model); |
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75 } |
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76 |
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77 public Template getTemplate(TypeMirror templateTypeMirror, boolean invokeCallback) { |
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78 String qualifiedName = ElementUtils.getQualifiedName(templateTypeMirror); |
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79 Template model = models.get(qualifiedName); |
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80 if (model == null && invokeCallback) { |
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81 callback.callback(ElementUtils.fromTypeMirror(templateTypeMirror)); |
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82 model = models.get(qualifiedName); |
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83 } |
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84 return model; |
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85 } |
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86 |
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87 public DeclaredType getDeclaredType(Class<?> element) { |
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88 return (DeclaredType) ElementUtils.getType(environment, element); |
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89 } |
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90 |
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91 public boolean isType(TypeMirror type, Class<?> clazz) { |
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92 return ElementUtils.typeEquals(type, getType(clazz)); |
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93 } |
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94 |
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95 public TypeMirror getType(Class<?> element) { |
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96 return ElementUtils.getType(environment, element); |
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97 } |
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98 |
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99 public interface ProcessCallback { |
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100 |
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101 void callback(TypeElement template); |
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102 |
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103 } |
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104 |
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105 public TypeMirror reloadTypeElement(TypeElement type) { |
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106 return getType(type.getQualifiedName().toString()); |
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107 } |
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108 |
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109 private TypeMirror getType(String className) { |
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110 TypeElement element = environment.getElementUtils().getTypeElement(className); |
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111 if (element != null) { |
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112 return element.asType(); |
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113 } |
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114 return null; |
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115 } |
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116 |
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117 public TypeMirror reloadType(TypeMirror type) { |
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118 if (type instanceof CodeTypeMirror) { |
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119 return type; |
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120 } else if (type.getKind().isPrimitive()) { |
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121 return type; |
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122 } |
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123 Types types = getEnvironment().getTypeUtils(); |
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124 |
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125 switch (type.getKind()) { |
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126 case ARRAY: |
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127 return types.getArrayType(reloadType(((ArrayType) type).getComponentType())); |
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128 case WILDCARD: |
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129 return types.getWildcardType(((WildcardType) type).getExtendsBound(), ((WildcardType) type).getSuperBound()); |
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130 case DECLARED: |
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131 return reloadTypeElement((TypeElement) (((DeclaredType) type).asElement())); |
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132 } |
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133 return type; |
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134 } |
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135 |
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136 private static final ThreadLocal<ProcessorContext> instance = new ThreadLocal<>(); |
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137 |
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138 public static void setThreadLocalInstance(ProcessorContext context) { |
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139 instance.set(context); |
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140 } |
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141 |
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142 public static ProcessorContext getInstance() { |
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143 return instance.get(); |
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144 } |
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145 |
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146 public List<TypeMirror> getFrameTypes() { |
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147 return Arrays.asList(getType(VirtualFrame.class), getType(MaterializedFrame.class), getType(Frame.class)); |
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148 } |
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149 } |