Mercurial > hg > truffle
annotate graal/com.oracle.truffle.dsl.processor/src/com/oracle/truffle/dsl/processor/parser/TypeSystemParser.java @ 18782:3ea386a1036f
Truffle-DSL: breaking: @TypeCheck and @TypeCast now require casted/checked type as explicit parameter. Previously the type was parsed from the method name. (GRAAL-446 #resolve)
author | Christian Humer <christian.humer@gmail.com> |
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date | Mon, 05 Jan 2015 20:23:22 +0100 |
parents | a665483c3881 |
children | 7d67a33e1bbb |
rev | line source |
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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.parser; |
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24 |
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25 import static com.oracle.truffle.dsl.processor.java.ElementUtils.*; |
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26 |
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27 import java.lang.annotation.*; |
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28 import java.util.*; |
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29 |
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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 import javax.lang.model.util.*; |
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33 |
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34 import com.oracle.truffle.api.dsl.*; |
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35 import com.oracle.truffle.api.dsl.internal.*; |
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36 import com.oracle.truffle.dsl.processor.generator.*; |
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37 import com.oracle.truffle.dsl.processor.java.*; |
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38 import com.oracle.truffle.dsl.processor.model.*; |
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39 |
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40 @DSLOptions |
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41 public class TypeSystemParser extends AbstractParser<TypeSystemData> { |
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42 |
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43 public static final List<Class<? extends Annotation>> ANNOTATIONS = Arrays.asList(TypeSystem.class, ExpectError.class); |
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44 |
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45 @Override |
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46 public Class<? extends Annotation> getAnnotationType() { |
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47 return TypeSystem.class; |
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48 } |
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49 |
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50 @Override |
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51 protected TypeSystemData parse(Element element, AnnotationMirror mirror) { |
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52 TypeElement templateType = (TypeElement) element; |
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53 AnnotationMirror templateTypeAnnotation = mirror; |
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54 DSLOptions options = element.getAnnotation(DSLOptions.class); |
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55 if (options == null) { |
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56 options = TypeSystemParser.class.getAnnotation(DSLOptions.class); |
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57 } |
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58 assert options != null; |
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59 |
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60 TypeSystemData typeSystem = new TypeSystemData(context, templateType, templateTypeAnnotation, options); |
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61 |
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62 // annotation type on class path!? |
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63 TypeElement annotationTypeElement = processingEnv.getElementUtils().getTypeElement(getAnnotationType().getCanonicalName()); |
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64 if (annotationTypeElement == null) { |
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65 typeSystem.addError("Required class %s is not on the classpath.", getAnnotationType().getName()); |
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66 } |
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67 if (templateType.getModifiers().contains(Modifier.PRIVATE)) { |
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68 typeSystem.addError("A @%s must have at least package protected visibility.", getAnnotationType().getName()); |
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69 } |
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70 |
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71 if (templateType.getModifiers().contains(Modifier.FINAL)) { |
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72 typeSystem.addError("The @%s must not be final.", getAnnotationType().getName()); |
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73 } |
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74 if (typeSystem.hasErrors()) { |
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75 return typeSystem; |
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76 } |
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77 |
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78 List<TypeData> types = parseTypes(typeSystem); |
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79 |
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80 TypeMirror genericType = context.getType(Object.class); |
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81 TypeData voidType = new TypeData(typeSystem, types.size(), null, context.getType(void.class), context.getType(Void.class)); |
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82 types.add(voidType); |
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83 |
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84 typeSystem.setTypes(types); |
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85 if (typeSystem.hasErrors()) { |
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86 return typeSystem; |
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87 } |
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88 typeSystem.setGenericType(genericType); |
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89 typeSystem.setVoidType(voidType); |
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90 |
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91 TypeData booleanType = typeSystem.findTypeData(context.getType(boolean.class)); |
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92 if (booleanType == null) { |
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93 booleanType = new TypeData(typeSystem, types.size(), null, context.getType(boolean.class), context.getType(Boolean.class)); |
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94 } |
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95 typeSystem.setBooleanType(booleanType); |
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96 |
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97 verifyExclusiveMethodAnnotation(typeSystem, TypeCast.class, TypeCheck.class); |
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98 |
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99 List<Element> elements = new ArrayList<>(context.getEnvironment().getElementUtils().getAllMembers(templateType)); |
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100 List<ImplicitCastData> implicitCasts = new ImplicitCastParser(context, typeSystem).parse(elements); |
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101 List<TypeCastData> casts = new TypeCastParser(context, typeSystem).parse(elements); |
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102 List<TypeCheckData> checks = new TypeCheckParser(context, typeSystem).parse(elements); |
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103 |
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104 if (casts == null || checks == null || implicitCasts == null) { |
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105 return typeSystem; |
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106 } |
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107 |
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108 typeSystem.setImplicitCasts(implicitCasts); |
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109 typeSystem.setCasts(casts); |
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110 typeSystem.setChecks(checks); |
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111 |
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112 if (typeSystem.hasErrors()) { |
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113 return typeSystem; |
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114 } |
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115 |
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116 for (TypeCheckData check : checks) { |
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117 check.getCheckedType().addTypeCheck(check); |
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118 } |
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119 |
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120 for (TypeCastData cast : casts) { |
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121 cast.getTargetType().addTypeCast(cast); |
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122 } |
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123 |
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124 verifyMethodSignatures(typeSystem); |
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125 verifyNamesUnique(typeSystem); |
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126 |
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127 return typeSystem; |
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128 } |
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129 |
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130 private void verifyExclusiveMethodAnnotation(Template template, Class<?>... annotationTypes) { |
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131 List<ExecutableElement> methods = ElementFilter.methodsIn(template.getTemplateType().getEnclosedElements()); |
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132 for (ExecutableElement method : methods) { |
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133 List<AnnotationMirror> foundAnnotations = new ArrayList<>(); |
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134 for (int i = 0; i < annotationTypes.length; i++) { |
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135 Class<?> annotationType = annotationTypes[i]; |
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136 AnnotationMirror mirror = ElementUtils.findAnnotationMirror(context.getEnvironment(), method, annotationType); |
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137 if (mirror != null) { |
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138 foundAnnotations.add(mirror); |
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139 } |
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140 } |
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141 if (foundAnnotations.size() > 1) { |
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142 List<String> annotationNames = new ArrayList<>(); |
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143 for (AnnotationMirror mirror : foundAnnotations) { |
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144 annotationNames.add("@" + ElementUtils.getSimpleName(mirror.getAnnotationType())); |
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145 } |
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146 |
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147 template.addError("Non exclusive usage of annotations %s.", annotationNames); |
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148 } |
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149 } |
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150 } |
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151 |
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152 private List<TypeData> parseTypes(TypeSystemData typeSystem) { |
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153 List<TypeData> types = new ArrayList<>(); |
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154 List<TypeMirror> typeMirrors = ElementUtils.getAnnotationValueList(TypeMirror.class, typeSystem.getTemplateTypeAnnotation(), "value"); |
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155 if (typeMirrors.isEmpty()) { |
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156 typeSystem.addError("At least one type must be defined."); |
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157 return types; |
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158 } |
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159 |
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160 final AnnotationValue annotationValue = ElementUtils.getAnnotationValue(typeSystem.getTemplateTypeAnnotation(), "value"); |
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161 final TypeMirror objectType = context.getType(Object.class); |
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162 |
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163 int index = 0; |
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164 for (TypeMirror primitiveType : typeMirrors) { |
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165 TypeMirror primitive = ElementUtils.fillInGenericWildcards(primitiveType); |
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166 |
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167 TypeMirror boxedType = ElementUtils.boxType(context, primitive); |
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168 TypeData typeData = new TypeData(typeSystem, index, annotationValue, primitive, boxedType); |
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169 |
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170 if (isPrimitiveWrapper(primitive)) { |
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171 typeData.addError("Types must not contain primitive wrapper types."); |
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172 } |
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173 |
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174 if (ElementUtils.typeEquals(boxedType, objectType)) { |
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175 typeData.addError("Types must not contain the generic type java.lang.Object."); |
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176 } |
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177 |
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178 types.add(typeData); |
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179 index++; |
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180 } |
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181 |
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182 verifyTypeOrder(types); |
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183 |
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184 types.add(new TypeData(typeSystem, index, annotationValue, objectType, objectType)); |
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185 return types; |
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186 } |
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187 |
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188 private static void verifyTypeOrder(List<TypeData> types) { |
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189 Map<String, List<String>> invalidTypes = new HashMap<>(); |
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190 |
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191 for (int i = types.size() - 1; i >= 0; i--) { |
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192 TypeData typeData = types.get(i); |
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193 TypeMirror type = typeData.getBoxedType(); |
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194 if (invalidTypes.containsKey(ElementUtils.getQualifiedName(type))) { |
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195 typeData.addError("Invalid type order. The type(s) %s are inherited from a earlier defined type %s.", invalidTypes.get(ElementUtils.getQualifiedName(type)), |
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196 ElementUtils.getQualifiedName(type)); |
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197 } |
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198 TypeElement element = ElementUtils.fromTypeMirror(type); |
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199 List<String> nextInvalidTypes = new ArrayList<>(); |
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200 if (element != null) { |
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201 nextInvalidTypes.addAll(ElementUtils.getQualifiedSuperTypeNames(element)); |
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202 } |
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203 nextInvalidTypes.add(getQualifiedName(type)); |
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204 |
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205 for (String qualifiedName : nextInvalidTypes) { |
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206 List<String> inheritedTypes = invalidTypes.get(qualifiedName); |
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207 if (inheritedTypes == null) { |
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208 inheritedTypes = new ArrayList<>(); |
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209 invalidTypes.put(qualifiedName, inheritedTypes); |
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210 } |
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211 inheritedTypes.add(ElementUtils.getQualifiedName(typeData.getBoxedType())); |
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212 } |
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213 } |
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214 } |
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215 |
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216 private boolean isPrimitiveWrapper(TypeMirror type) { |
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217 Types types = context.getEnvironment().getTypeUtils(); |
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218 for (TypeKind kind : TypeKind.values()) { |
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219 if (!kind.isPrimitive()) { |
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220 continue; |
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221 } |
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222 if (ElementUtils.typeEquals(type, types.boxedClass(types.getPrimitiveType(kind)).asType())) { |
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223 return true; |
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224 } |
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225 } |
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226 return false; |
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227 } |
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228 |
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229 private void verifyMethodSignatures(TypeSystemData typeSystem) { |
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230 Set<String> generatedIsMethodNames = new HashSet<>(); |
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231 Set<String> generatedAsMethodNames = new HashSet<>(); |
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232 Set<String> generatedExpectMethodNames = new HashSet<>(); |
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233 |
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234 for (TypeData typeData : typeSystem.getTypes()) { |
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235 generatedIsMethodNames.add(TypeSystemCodeGenerator.isTypeMethodName(typeData)); |
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236 generatedAsMethodNames.add(TypeSystemCodeGenerator.asTypeMethodName(typeData)); |
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237 generatedExpectMethodNames.add(TypeSystemCodeGenerator.expectTypeMethodName(typeData)); |
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238 } |
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239 |
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240 List<ExecutableElement> methods = ElementFilter.methodsIn(typeSystem.getTemplateType().getEnclosedElements()); |
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241 for (ExecutableElement method : methods) { |
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242 if (method.getModifiers().contains(Modifier.PRIVATE)) { |
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243 // will not conflict overridden methods |
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244 continue; |
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245 } else if (method.getParameters().size() != 1) { |
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246 continue; |
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247 } |
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248 String methodName = method.getSimpleName().toString(); |
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249 if (generatedIsMethodNames.contains(methodName)) { |
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250 verifyIsMethod(typeSystem, method); |
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251 } else if (generatedAsMethodNames.contains(methodName)) { |
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252 verifyAsMethod(typeSystem, method); |
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253 } else if (generatedExpectMethodNames.contains(methodName)) { |
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254 verifyExpectMethod(typeSystem); |
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255 } |
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256 } |
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257 } |
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258 |
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259 private boolean verifyIsMethod(TypeSystemData typeSystem, ExecutableElement method) { |
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260 AnnotationMirror mirror = ElementUtils.findAnnotationMirror(processingEnv, method, TypeCheck.class); |
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261 if (mirror == null) { |
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262 typeSystem.addError("Method starting with the pattern is${typeName} must be annotated with @%s.", TypeCheck.class.getSimpleName()); |
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263 return false; |
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264 } |
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265 return true; |
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266 } |
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267 |
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268 private boolean verifyAsMethod(TypeSystemData typeSystem, ExecutableElement method) { |
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269 AnnotationMirror mirror = ElementUtils.findAnnotationMirror(processingEnv, method, TypeCast.class); |
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270 if (mirror == null) { |
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271 typeSystem.addError("Method starting with the pattern as${typeName} must be annotated with @%s.", TypeCast.class.getSimpleName()); |
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272 return false; |
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273 } |
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274 return true; |
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275 } |
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276 |
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277 private static boolean verifyExpectMethod(TypeSystemData typeSystem) { |
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278 typeSystem.addError("Method starting with the pattern expect${typeName} must not be declared manually."); |
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279 return false; |
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280 } |
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281 |
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282 private static void verifyNamesUnique(TypeSystemData typeSystem) { |
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283 List<TypeData> types = typeSystem.getTypes(); |
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284 for (int i = 0; i < types.size(); i++) { |
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285 for (int j = i + 1; j < types.size(); j++) { |
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286 String name1 = ElementUtils.getSimpleName(types.get(i).getBoxedType()); |
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287 String name2 = ElementUtils.getSimpleName(types.get(j).getBoxedType()); |
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288 if (name1.equalsIgnoreCase(name2)) { |
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289 typeSystem.addError("Two types result in the same name: %s, %s.", name1, name2); |
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290 } |
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291 } |
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292 } |
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Truffle-DSL: API-change: Renamed truffle.api.codegen to truffle.api.dsl for all projects and packages.
Christian Humer <christian.humer@gmail.com>
parents:
diff
changeset
|
293 } |
79041ab43660
Truffle-DSL: API-change: Renamed truffle.api.codegen to truffle.api.dsl for all projects and packages.
Christian Humer <christian.humer@gmail.com>
parents:
diff
changeset
|
294 } |