001 /*
002 * Copyright 2010-2013 JetBrains s.r.o.
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 * http://www.apache.org/licenses/LICENSE-2.0
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 */
016
017 package org.jetbrains.jet.lang.diagnostics;
018
019 import com.google.common.collect.ImmutableSet;
020 import com.intellij.psi.PsiElement;
021 import com.intellij.psi.PsiNameIdentifierOwner;
022 import com.intellij.psi.impl.source.tree.LeafPsiElement;
023 import org.jetbrains.jet.lang.descriptors.*;
024 import org.jetbrains.jet.lang.psi.*;
025 import org.jetbrains.jet.lang.resolve.calls.inference.InferenceErrorData;
026 import org.jetbrains.jet.lang.resolve.calls.model.ResolvedCall;
027 import org.jetbrains.jet.lang.resolve.name.Name;
028 import org.jetbrains.jet.lang.types.JetType;
029 import org.jetbrains.jet.lexer.JetKeywordToken;
030 import org.jetbrains.jet.lexer.JetTokens;
031
032 import java.lang.reflect.Field;
033 import java.lang.reflect.Modifier;
034 import java.util.Collection;
035 import java.util.List;
036
037 import static org.jetbrains.jet.lang.diagnostics.PositioningStrategies.*;
038 import static org.jetbrains.jet.lang.diagnostics.Severity.ERROR;
039 import static org.jetbrains.jet.lang.diagnostics.Severity.WARNING;
040 import static org.jetbrains.jet.lang.resolve.calls.inference.InferenceErrorData.ExtendedInferenceErrorData;
041
042 /**
043 * For error messages, see DefaultErrorMessages and IdeErrorMessages.
044 */
045 public interface Errors {
046
047 ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
048
049 // Meta-errors: unsupported features, failure
050
051 ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
052
053 DiagnosticFactory1<JetFile, Throwable> EXCEPTION_WHILE_ANALYZING = DiagnosticFactory1.create(ERROR);
054
055 DiagnosticFactory1<PsiElement, String> UNSUPPORTED = DiagnosticFactory1.create(ERROR);
056
057 ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
058
059 // Generic errors/warnings: applicable in many contexts
060
061 ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
062
063 DiagnosticFactory1<PsiElement, String> REDECLARATION = DiagnosticFactory1.create(ERROR, FOR_REDECLARATION);
064
065 DiagnosticFactory1<JetReferenceExpression, JetReferenceExpression> UNRESOLVED_REFERENCE =
066 DiagnosticFactory1.create(ERROR, FOR_UNRESOLVED_REFERENCE);
067
068 //Elements with "INVISIBLE_REFERENCE" error are marked as unresolved, unlike elements with "INVISIBLE_MEMBER" error
069 //"INVISIBLE_REFERENCE" is used for invisible classes references and references in import
070 DiagnosticFactory3<JetSimpleNameExpression, DeclarationDescriptor, Visibility, DeclarationDescriptor> INVISIBLE_REFERENCE =
071 DiagnosticFactory3.create(ERROR);
072 DiagnosticFactory3<PsiElement, DeclarationDescriptor, Visibility, DeclarationDescriptor> INVISIBLE_MEMBER = DiagnosticFactory3.create(ERROR, CALL_ELEMENT);
073
074 DiagnosticFactory1<JetElement, Collection<ClassDescriptor>> PLATFORM_CLASS_MAPPED_TO_KOTLIN = DiagnosticFactory1.create(WARNING);
075
076 ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
077
078 // Errors/warnings in types
079 // Note: class/trait declaration is NOT a type. A type is something that may be written on the right-hand side of ":"
080
081 ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
082
083 DiagnosticFactory0<JetTypeProjection> PROJECTION_ON_NON_CLASS_TYPE_ARGUMENT = DiagnosticFactory0.create(ERROR, VARIANCE_IN_PROJECTION);
084 DiagnosticFactory2<JetTypeReference, JetType, JetType> UPPER_BOUND_VIOLATED = DiagnosticFactory2.create(ERROR);
085 DiagnosticFactory0<JetNullableType> REDUNDANT_NULLABLE = DiagnosticFactory0.create(WARNING, NULLABLE_TYPE);
086 DiagnosticFactory1<JetNullableType, JetType> BASE_WITH_NULLABLE_UPPER_BOUND = DiagnosticFactory1.create(WARNING, NULLABLE_TYPE);
087 DiagnosticFactory1<JetElement, Integer> WRONG_NUMBER_OF_TYPE_ARGUMENTS = DiagnosticFactory1.create(ERROR);
088 DiagnosticFactory2<JetUserType, Integer, String> NO_TYPE_ARGUMENTS_ON_RHS_OF_IS_EXPRESSION = DiagnosticFactory2.create(ERROR);
089 DiagnosticFactory1<JetTypeProjection, ClassifierDescriptor> CONFLICTING_PROJECTION = DiagnosticFactory1.create(ERROR, VARIANCE_IN_PROJECTION);
090 DiagnosticFactory1<JetTypeProjection, ClassifierDescriptor> REDUNDANT_PROJECTION = DiagnosticFactory1.create(WARNING, VARIANCE_IN_PROJECTION);
091
092 ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
093
094 // Errors in declarations
095
096 ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
097
098 // Imports
099
100 DiagnosticFactory1<JetSimpleNameExpression, DeclarationDescriptor> CANNOT_IMPORT_FROM_ELEMENT = DiagnosticFactory1.create(ERROR);
101 DiagnosticFactory1<JetSimpleNameExpression, DeclarationDescriptor> CANNOT_BE_IMPORTED = DiagnosticFactory1.create(ERROR);
102
103 DiagnosticFactory0<JetExpression> USELESS_HIDDEN_IMPORT = DiagnosticFactory0.create(WARNING);
104
105 DiagnosticFactory0<JetExpression> USELESS_SIMPLE_IMPORT = DiagnosticFactory0.create(WARNING);
106
107 // Modifiers
108
109 DiagnosticFactory1<PsiElement, Collection<JetKeywordToken>> INCOMPATIBLE_MODIFIERS = DiagnosticFactory1.create(ERROR);
110 DiagnosticFactory1<PsiElement, JetKeywordToken> ILLEGAL_MODIFIER = DiagnosticFactory1.create(ERROR);
111 DiagnosticFactory2<PsiElement, JetKeywordToken, JetKeywordToken> REDUNDANT_MODIFIER = DiagnosticFactory2.create(Severity.WARNING);
112
113 // Annotations
114
115 DiagnosticFactory1<JetAnnotationEntry, String> NOT_AN_ANNOTATION_CLASS = DiagnosticFactory1.create(ERROR);
116 DiagnosticFactory0<PsiElement> ANNOTATION_CLASS_WITH_BODY = DiagnosticFactory0.create(ERROR);
117 DiagnosticFactory0<JetTypeReference> INVALID_TYPE_OF_ANNOTATION_MEMBER = DiagnosticFactory0.create(ERROR);
118
119 // Classes and traits
120
121 DiagnosticFactory0<JetTypeProjection> PROJECTION_IN_IMMEDIATE_ARGUMENT_TO_SUPERTYPE =
122 DiagnosticFactory0.create(ERROR, VARIANCE_IN_PROJECTION);
123
124 DiagnosticFactory0<PsiElement> CYCLIC_INHERITANCE_HIERARCHY = DiagnosticFactory0.create(ERROR);
125
126 DiagnosticFactory0<JetDelegatorToSuperClass> SUPERTYPE_NOT_INITIALIZED = DiagnosticFactory0.create(ERROR);
127
128 DiagnosticFactory0<JetTypeReference> DELEGATION_NOT_TO_TRAIT = DiagnosticFactory0.create(ERROR);
129 DiagnosticFactory0<JetTypeReference> SUPERTYPE_NOT_A_CLASS_OR_TRAIT = DiagnosticFactory0.create(ERROR);
130
131 DiagnosticFactory0<PsiElement> NO_GENERICS_IN_SUPERTYPE_SPECIFIER = DiagnosticFactory0.create(ERROR);
132
133 DiagnosticFactory0<JetTypeReference> MANY_CLASSES_IN_SUPERTYPE_LIST = DiagnosticFactory0.create(ERROR);
134 DiagnosticFactory0<JetTypeReference> SUPERTYPE_APPEARS_TWICE = DiagnosticFactory0.create(ERROR);
135 DiagnosticFactory3<JetDelegationSpecifierList, TypeParameterDescriptor, ClassDescriptor, Collection<JetType>>
136 INCONSISTENT_TYPE_PARAMETER_VALUES = DiagnosticFactory3.create(ERROR);
137
138
139 DiagnosticFactory0<JetTypeReference> FINAL_SUPERTYPE = DiagnosticFactory0.create(ERROR);
140 DiagnosticFactory0<JetNullableType> NULLABLE_SUPERTYPE = DiagnosticFactory0.create(ERROR, NULLABLE_TYPE);
141
142 // Trait-specific
143
144 DiagnosticFactory0<JetModifierListOwner> ABSTRACT_MODIFIER_IN_TRAIT = DiagnosticFactory0
145 .create(WARNING, ABSTRACT_MODIFIER);
146 DiagnosticFactory0<JetModifierListOwner> OPEN_MODIFIER_IN_TRAIT = DiagnosticFactory0
147 .create(WARNING, modifierSetPosition(JetTokens.OPEN_KEYWORD));
148 DiagnosticFactory0<PsiElement> TRAIT_CAN_NOT_BE_FINAL = DiagnosticFactory0.create(ERROR);
149
150 DiagnosticFactory0<PsiElement> CONSTRUCTOR_IN_TRAIT = DiagnosticFactory0.create(ERROR);
151
152 DiagnosticFactory0<PsiElement> SUPERTYPE_INITIALIZED_IN_TRAIT = DiagnosticFactory0.create(ERROR);
153
154 DiagnosticFactory0<JetDelegatorByExpressionSpecifier> DELEGATION_IN_TRAIT = DiagnosticFactory0.create(ERROR);
155
156 // Enum-specific
157
158 DiagnosticFactory0<JetModifierListOwner> ILLEGAL_ENUM_ANNOTATION = DiagnosticFactory0
159 .create(ERROR, modifierSetPosition(JetTokens.ENUM_KEYWORD));
160
161 DiagnosticFactory0<JetModifierListOwner> OPEN_MODIFIER_IN_ENUM = DiagnosticFactory0
162 .create(ERROR, modifierSetPosition(JetTokens.OPEN_KEYWORD));
163
164 DiagnosticFactory0<PsiElement> CLASS_IN_SUPERTYPE_FOR_ENUM = DiagnosticFactory0.create(ERROR);
165
166 DiagnosticFactory1<JetClass, ClassDescriptor> ENUM_ENTRY_SHOULD_BE_INITIALIZED = DiagnosticFactory1.create(ERROR, NAME_IDENTIFIER);
167 DiagnosticFactory1<JetTypeReference, ClassDescriptor> ENUM_ENTRY_ILLEGAL_TYPE = DiagnosticFactory1.create(ERROR);
168
169 // Class objects
170
171 DiagnosticFactory0<JetClassObject> MANY_CLASS_OBJECTS = DiagnosticFactory0.create(ERROR);
172 DiagnosticFactory0<JetClassObject> CLASS_OBJECT_NOT_ALLOWED = DiagnosticFactory0.create(ERROR);
173
174 // Type parameter declarations
175
176 DiagnosticFactory1<JetTypeReference, JetType> FINAL_UPPER_BOUND = DiagnosticFactory1.create(WARNING);
177 DiagnosticFactory1<JetTypeReference, JetType> FINAL_CLASS_OBJECT_UPPER_BOUND = DiagnosticFactory1.create(ERROR);
178
179 DiagnosticFactory1<PsiElement, TypeParameterDescriptor> CONFLICTING_UPPER_BOUNDS = DiagnosticFactory1.create(ERROR);
180 DiagnosticFactory1<PsiElement, TypeParameterDescriptor> CONFLICTING_CLASS_OBJECT_UPPER_BOUNDS = DiagnosticFactory1.create(ERROR);
181
182 DiagnosticFactory2<JetSimpleNameExpression, JetTypeConstraint, JetTypeParameterListOwner> NAME_IN_CONSTRAINT_IS_NOT_A_TYPE_PARAMETER =
183 DiagnosticFactory2.create(ERROR);
184
185 DiagnosticFactory0<JetTypeParameter>
186 VARIANCE_ON_TYPE_PARAMETER_OF_FUNCTION_OR_PROPERTY = DiagnosticFactory0.create(ERROR, VARIANCE_MODIFIER);
187
188 // Members
189
190 DiagnosticFactory0<PsiElement> PACKAGE_MEMBER_CANNOT_BE_PROTECTED = DiagnosticFactory0.create(ERROR);
191
192 DiagnosticFactory0<JetNamedDeclaration> PUBLIC_MEMBER_SHOULD_SPECIFY_TYPE = DiagnosticFactory0.create(ERROR, NAMED_ELEMENT);
193
194 DiagnosticFactory2<JetDeclaration, CallableMemberDescriptor, String> CONFLICTING_OVERLOADS = DiagnosticFactory2.create(ERROR, DECLARATION);
195
196 DiagnosticFactory0<JetNamedDeclaration> NON_FINAL_MEMBER_IN_FINAL_CLASS = DiagnosticFactory0.create(WARNING, modifierSetPosition(
197 JetTokens.OPEN_KEYWORD));
198
199 DiagnosticFactory1<JetModifierListOwner, CallableMemberDescriptor> NOTHING_TO_OVERRIDE = DiagnosticFactory1.create(ERROR, OVERRIDE_MODIFIER);
200
201 DiagnosticFactory3<PsiNameIdentifierOwner, CallableMemberDescriptor, CallableMemberDescriptor, DeclarationDescriptor> VIRTUAL_MEMBER_HIDDEN =
202 DiagnosticFactory3.create(ERROR, NAMED_ELEMENT);
203
204 DiagnosticFactory3<JetModifierListOwner, CallableMemberDescriptor, CallableDescriptor, DeclarationDescriptor> CANNOT_OVERRIDE_INVISIBLE_MEMBER =
205 DiagnosticFactory3.create(ERROR, OVERRIDE_MODIFIER);
206
207 DiagnosticFactory2<JetAnnotationEntry, CallableMemberDescriptor, DeclarationDescriptor> DATA_CLASS_OVERRIDE_CONFLICT =
208 DiagnosticFactory2.create(ERROR);
209
210 DiagnosticFactory0<JetDeclaration> CANNOT_INFER_VISIBILITY = DiagnosticFactory0.create(ERROR, DECLARATION);
211
212 DiagnosticFactory2<PsiElement, CallableMemberDescriptor, DeclarationDescriptor> OVERRIDING_FINAL_MEMBER = DiagnosticFactory2.create(ERROR);
213
214 DiagnosticFactory3<JetModifierListOwner, Visibility, CallableMemberDescriptor, DeclarationDescriptor> CANNOT_WEAKEN_ACCESS_PRIVILEGE =
215 DiagnosticFactory3.create(ERROR, VISIBILITY_MODIFIER);
216 DiagnosticFactory3<JetModifierListOwner, Visibility, CallableMemberDescriptor, DeclarationDescriptor> CANNOT_CHANGE_ACCESS_PRIVILEGE =
217 DiagnosticFactory3.create(ERROR, VISIBILITY_MODIFIER);
218 DiagnosticFactory2<JetNamedDeclaration, CallableMemberDescriptor, CallableMemberDescriptor> RETURN_TYPE_MISMATCH_ON_OVERRIDE =
219 DiagnosticFactory2.create(ERROR, DECLARATION_RETURN_TYPE);
220 DiagnosticFactory2<JetNamedDeclaration, CallableMemberDescriptor, CallableMemberDescriptor> PROPERTY_TYPE_MISMATCH_ON_OVERRIDE =
221 DiagnosticFactory2.create(ERROR, DECLARATION_RETURN_TYPE);
222
223 DiagnosticFactory2<PsiElement, JetClassOrObject, CallableMemberDescriptor> ABSTRACT_MEMBER_NOT_IMPLEMENTED =
224 DiagnosticFactory2.create(ERROR);
225 DiagnosticFactory2<PsiElement, JetClassOrObject, CallableMemberDescriptor> MANY_IMPL_MEMBER_NOT_IMPLEMENTED =
226 DiagnosticFactory2.create(ERROR);
227
228 DiagnosticFactory1<JetNamedDeclaration, Collection<JetType>> AMBIGUOUS_ANONYMOUS_TYPE_INFERRED = DiagnosticFactory1.create(ERROR, NAMED_ELEMENT);
229
230 // Property-specific
231
232 DiagnosticFactory2<JetProperty, PropertyDescriptor, PropertyDescriptor> VAR_OVERRIDDEN_BY_VAL =
233 DiagnosticFactory2.create(ERROR, VAL_OR_VAR_NODE);
234
235 DiagnosticFactory0<PsiElement> REDUNDANT_MODIFIER_IN_GETTER = DiagnosticFactory0.create(WARNING);
236 DiagnosticFactory0<PsiElement> GETTER_VISIBILITY_DIFFERS_FROM_PROPERTY_VISIBILITY = DiagnosticFactory0.create(ERROR);
237 DiagnosticFactory2<JetTypeReference, JetType, JetType> WRONG_GETTER_RETURN_TYPE = DiagnosticFactory2.create(ERROR);
238
239 DiagnosticFactory0<JetModifierListOwner>
240 ABSTRACT_PROPERTY_IN_PRIMARY_CONSTRUCTOR_PARAMETERS = DiagnosticFactory0.create(ERROR, ABSTRACT_MODIFIER);
241 DiagnosticFactory0<JetExpression> ABSTRACT_PROPERTY_WITH_INITIALIZER = DiagnosticFactory0.create(ERROR);
242 DiagnosticFactory0<JetPropertyAccessor> ABSTRACT_PROPERTY_WITH_GETTER = DiagnosticFactory0.create(ERROR);
243 DiagnosticFactory0<JetPropertyAccessor> ABSTRACT_PROPERTY_WITH_SETTER = DiagnosticFactory0.create(ERROR);
244
245 DiagnosticFactory0<JetPropertyDelegate> ABSTRACT_DELEGATED_PROPERTY = DiagnosticFactory0.create(ERROR);
246 DiagnosticFactory0<JetPropertyAccessor> ACCESSOR_FOR_DELEGATED_PROPERTY = DiagnosticFactory0.create(ERROR);
247 DiagnosticFactory0<JetPropertyDelegate> DELEGATED_PROPERTY_IN_TRAIT = DiagnosticFactory0.create(ERROR);
248 DiagnosticFactory0<JetPropertyDelegate> LOCAL_VARIABLE_WITH_DELEGATE = DiagnosticFactory0.create(ERROR);
249
250 DiagnosticFactory0<JetProperty> PROPERTY_WITH_NO_TYPE_NO_INITIALIZER = DiagnosticFactory0.create(ERROR, NAMED_ELEMENT);
251
252 DiagnosticFactory0<JetProperty> MUST_BE_INITIALIZED = DiagnosticFactory0.create(ERROR, NAMED_ELEMENT);
253 DiagnosticFactory0<JetProperty> MUST_BE_INITIALIZED_OR_BE_ABSTRACT = DiagnosticFactory0.create(ERROR, NAMED_ELEMENT);
254
255 DiagnosticFactory0<JetExpression> PROPERTY_INITIALIZER_NO_BACKING_FIELD = DiagnosticFactory0.create(ERROR);
256 DiagnosticFactory0<JetExpression> PROPERTY_INITIALIZER_IN_TRAIT = DiagnosticFactory0.create(ERROR);
257 DiagnosticFactory0<JetProperty> FINAL_PROPERTY_IN_TRAIT = DiagnosticFactory0.create(ERROR, FINAL_MODIFIER);
258 DiagnosticFactory0<JetProperty> BACKING_FIELD_IN_TRAIT = DiagnosticFactory0.create(ERROR, NAMED_ELEMENT);
259
260 DiagnosticFactory2<JetModifierListOwner, String, ClassDescriptor> ABSTRACT_PROPERTY_IN_NON_ABSTRACT_CLASS = DiagnosticFactory2.create(ERROR, ABSTRACT_MODIFIER);
261
262 DiagnosticFactory0<JetPropertyAccessor> VAL_WITH_SETTER = DiagnosticFactory0.create(ERROR);
263
264 DiagnosticFactory0<JetExpression> SETTER_PARAMETER_WITH_DEFAULT_VALUE = DiagnosticFactory0.create(ERROR);
265
266 DiagnosticFactory2<JetTypeReference, JetType, JetType> WRONG_SETTER_PARAMETER_TYPE = DiagnosticFactory2.create(ERROR);
267
268 // Function-specific
269
270 DiagnosticFactory2<JetFunction, String, ClassDescriptor> ABSTRACT_FUNCTION_IN_NON_ABSTRACT_CLASS = DiagnosticFactory2.create(ERROR, ABSTRACT_MODIFIER);
271
272 DiagnosticFactory1<JetFunction, SimpleFunctionDescriptor> ABSTRACT_FUNCTION_WITH_BODY = DiagnosticFactory1.create(ERROR, ABSTRACT_MODIFIER);
273 DiagnosticFactory1<JetFunction, SimpleFunctionDescriptor> NON_ABSTRACT_FUNCTION_WITH_NO_BODY = DiagnosticFactory1.create(ERROR, NAMED_ELEMENT);
274 DiagnosticFactory1<JetFunction, SimpleFunctionDescriptor> FINAL_FUNCTION_WITH_NO_BODY = DiagnosticFactory1.create(ERROR, FINAL_MODIFIER);
275
276 DiagnosticFactory1<JetFunction, SimpleFunctionDescriptor> NON_MEMBER_FUNCTION_NO_BODY = DiagnosticFactory1.create(ERROR, NAMED_ELEMENT);
277
278 DiagnosticFactory0<JetParameter> VALUE_PARAMETER_WITH_NO_TYPE_ANNOTATION = DiagnosticFactory0.create(ERROR);
279
280 // Named parameters
281
282 DiagnosticFactory0<JetParameter> DEFAULT_VALUE_NOT_ALLOWED_IN_OVERRIDE = DiagnosticFactory0.create(ERROR, PARAMETER_DEFAULT_VALUE);
283
284 DiagnosticFactory1<JetParameter, ValueParameterDescriptor> MULTIPLE_DEFAULTS_INHERITED_FROM_SUPERTYPES = DiagnosticFactory1.create(ERROR);
285
286 DiagnosticFactory1<JetClassOrObject, ValueParameterDescriptor> MULTIPLE_DEFAULTS_INHERITED_FROM_SUPERTYPES_WHEN_NO_EXPLICIT_OVERRIDE =
287 DiagnosticFactory1.create(ERROR, NAME_IDENTIFIER);
288
289 DiagnosticFactory2<JetParameter, ClassDescriptor, ValueParameterDescriptor> PARAMETER_NAME_CHANGED_ON_OVERRIDE =
290 DiagnosticFactory2.create(WARNING, NAME_IDENTIFIER);
291
292 DiagnosticFactory2<JetClassOrObject, Collection<? extends CallableMemberDescriptor>, Integer> DIFFERENT_NAMES_FOR_THE_SAME_PARAMETER_IN_SUPERTYPES =
293 DiagnosticFactory2.create(WARNING, NAME_IDENTIFIER);
294
295 ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
296
297 // Errors/warnings inside code blocks
298
299 ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
300
301 // General
302
303 DiagnosticFactory1<PsiElement, String> NAME_SHADOWING = DiagnosticFactory1.create(WARNING, PositioningStrategies.FOR_REDECLARATION);
304
305 DiagnosticFactory0<JetExpression> TYPECHECKER_HAS_RUN_INTO_RECURSIVE_PROBLEM = DiagnosticFactory0.create(ERROR);
306
307 // Checking call arguments
308
309 DiagnosticFactory0<PsiElement> MIXING_NAMED_AND_POSITIONED_ARGUMENTS = DiagnosticFactory0.create(ERROR);
310 DiagnosticFactory0<JetReferenceExpression> ARGUMENT_PASSED_TWICE = DiagnosticFactory0.create(ERROR);
311 DiagnosticFactory1<JetReferenceExpression, JetReferenceExpression> NAMED_PARAMETER_NOT_FOUND =
312 DiagnosticFactory1.create(ERROR, FOR_UNRESOLVED_REFERENCE);
313
314 DiagnosticFactory0<JetExpression> VARARG_OUTSIDE_PARENTHESES = DiagnosticFactory0.create(ERROR);
315 DiagnosticFactory0<LeafPsiElement> NON_VARARG_SPREAD = DiagnosticFactory0.create(ERROR);
316
317 DiagnosticFactory0<JetExpression> MANY_FUNCTION_LITERAL_ARGUMENTS = DiagnosticFactory0.create(ERROR);
318
319 DiagnosticFactory1<PsiElement, CallableDescriptor> TOO_MANY_ARGUMENTS = DiagnosticFactory1.create(ERROR);
320
321 DiagnosticFactory1<JetElement, ValueParameterDescriptor> NO_VALUE_FOR_PARAMETER = DiagnosticFactory1.create(ERROR, VALUE_ARGUMENTS);
322
323 DiagnosticFactory1<JetReferenceExpression, JetType> MISSING_RECEIVER = DiagnosticFactory1.create(ERROR);
324 DiagnosticFactory0<JetReferenceExpression> NO_RECEIVER_ADMITTED = DiagnosticFactory0.create(ERROR);
325
326 // Call resolution
327
328 DiagnosticFactory1<JetExpression, String> ILLEGAL_SELECTOR = DiagnosticFactory1.create(ERROR);
329
330 DiagnosticFactory1<JetExpression, JetType> CALLEE_NOT_A_FUNCTION = DiagnosticFactory1.create(ERROR);
331 DiagnosticFactory2<JetReferenceExpression, JetExpression, JetType> FUNCTION_EXPECTED = DiagnosticFactory2.create(ERROR);
332 DiagnosticFactory2<JetExpression, JetExpression, Boolean> FUNCTION_CALL_EXPECTED = DiagnosticFactory2.create(ERROR, CALL_EXPRESSION);
333
334 DiagnosticFactory0<PsiElement> NO_CONSTRUCTOR = DiagnosticFactory0.create(ERROR);
335 DiagnosticFactory0<PsiElement> CREATING_AN_INSTANCE_OF_ABSTRACT_CLASS = DiagnosticFactory0.create(ERROR);
336 DiagnosticFactory0<JetExpression> NOT_A_CLASS = DiagnosticFactory0.create(ERROR);
337
338 DiagnosticFactory1<PsiElement, Collection<? extends ResolvedCall<?>>> OVERLOAD_RESOLUTION_AMBIGUITY = DiagnosticFactory1.create(ERROR);
339 DiagnosticFactory1<PsiElement, Collection<? extends ResolvedCall<?>>> NONE_APPLICABLE = DiagnosticFactory1.create(ERROR);
340 DiagnosticFactory1<PsiElement, Collection<? extends ResolvedCall<?>>> CANNOT_COMPLETE_RESOLVE = DiagnosticFactory1.create(ERROR);
341 DiagnosticFactory1<PsiElement, Collection<? extends ResolvedCall<?>>> UNRESOLVED_REFERENCE_WRONG_RECEIVER = DiagnosticFactory1.create(ERROR);
342
343 DiagnosticFactory0<JetExpression> DANGLING_FUNCTION_LITERAL_ARGUMENT_SUSPECTED = DiagnosticFactory0.create(WARNING);
344
345 // Type inference
346
347 DiagnosticFactory0<JetParameter> CANNOT_INFER_PARAMETER_TYPE = DiagnosticFactory0.create(ERROR);
348
349 DiagnosticFactory1<PsiElement, ExtendedInferenceErrorData> TYPE_INFERENCE_NO_INFORMATION_FOR_PARAMETER = DiagnosticFactory1.create(ERROR);
350 DiagnosticFactory1<PsiElement, ExtendedInferenceErrorData> TYPE_INFERENCE_CONFLICTING_SUBSTITUTIONS = DiagnosticFactory1.create(ERROR);
351 DiagnosticFactory1<PsiElement, ExtendedInferenceErrorData> TYPE_INFERENCE_TYPE_CONSTRUCTOR_MISMATCH = DiagnosticFactory1.create(ERROR);
352 DiagnosticFactory1<PsiElement, InferenceErrorData> TYPE_INFERENCE_UPPER_BOUND_VIOLATED = DiagnosticFactory1.create(ERROR);
353 DiagnosticFactory2<PsiElement, JetType, JetType> TYPE_INFERENCE_EXPECTED_TYPE_MISMATCH = DiagnosticFactory2.create(ERROR);
354
355 // Callable references
356
357 DiagnosticFactory1<JetExpression, CallableMemberDescriptor> EXTENSION_IN_CLASS_REFERENCE_NOT_ALLOWED = DiagnosticFactory1.create(ERROR);
358 DiagnosticFactory0<JetExpression> CALLABLE_REFERENCE_LHS_NOT_A_CLASS = DiagnosticFactory0.create(ERROR);
359
360 // Multi-declarations
361
362 DiagnosticFactory0<JetMultiDeclaration> INITIALIZER_REQUIRED_FOR_MULTIDECLARATION = DiagnosticFactory0.create(ERROR, DEFAULT);
363 DiagnosticFactory2<JetExpression, Name, JetType> COMPONENT_FUNCTION_MISSING = DiagnosticFactory2.create(ERROR, DEFAULT);
364 DiagnosticFactory2<JetExpression, Name, Collection<? extends ResolvedCall<? extends CallableDescriptor>>> COMPONENT_FUNCTION_AMBIGUITY = DiagnosticFactory2.create(ERROR, DEFAULT);
365 DiagnosticFactory3<JetExpression, Name, JetType, JetType> COMPONENT_FUNCTION_RETURN_TYPE_MISMATCH = DiagnosticFactory3.create(ERROR, DEFAULT);
366
367 // Super calls
368
369 DiagnosticFactory1<JetSuperExpression, String> SUPER_IS_NOT_AN_EXPRESSION = DiagnosticFactory1.create(ERROR);
370 DiagnosticFactory0<JetSuperExpression> SUPER_NOT_AVAILABLE = DiagnosticFactory0.create(ERROR);
371 DiagnosticFactory0<JetSuperExpression> SUPERCLASS_NOT_ACCESSIBLE_FROM_TRAIT = DiagnosticFactory0.create(ERROR);
372 DiagnosticFactory0<JetSuperExpression> AMBIGUOUS_SUPER = DiagnosticFactory0.create(ERROR);
373 DiagnosticFactory0<JetExpression> ABSTRACT_SUPER_CALL = DiagnosticFactory0.create(ERROR);
374 DiagnosticFactory0<JetTypeReference> NOT_A_SUPERTYPE = DiagnosticFactory0.create(ERROR);
375 DiagnosticFactory0<PsiElement> TYPE_ARGUMENTS_REDUNDANT_IN_SUPER_QUALIFIER = DiagnosticFactory0.create(WARNING);
376
377 // Conventions
378
379 DiagnosticFactory0<JetArrayAccessExpression> NO_GET_METHOD = DiagnosticFactory0.create(ERROR, ARRAY_ACCESS);
380 DiagnosticFactory0<JetArrayAccessExpression> NO_SET_METHOD = DiagnosticFactory0.create(ERROR, ARRAY_ACCESS);
381
382 DiagnosticFactory0<JetSimpleNameExpression> INC_DEC_SHOULD_NOT_RETURN_UNIT = DiagnosticFactory0.create(ERROR);
383 DiagnosticFactory2<JetSimpleNameExpression, DeclarationDescriptor, JetSimpleNameExpression> ASSIGNMENT_OPERATOR_SHOULD_RETURN_UNIT =
384 DiagnosticFactory2.create(ERROR);
385 DiagnosticFactory1<PsiElement, Collection<? extends ResolvedCall<?>>>
386 ASSIGN_OPERATOR_AMBIGUITY = DiagnosticFactory1.create(ERROR);
387
388 DiagnosticFactory0<JetSimpleNameExpression> EQUALS_MISSING = DiagnosticFactory0.create(ERROR);
389 DiagnosticFactory3<JetBinaryExpression, JetSimpleNameExpression, JetType, JetType> EQUALITY_NOT_APPLICABLE =
390 DiagnosticFactory3.create(ERROR);
391
392
393 DiagnosticFactory1<JetExpression, JetType> HAS_NEXT_MISSING = DiagnosticFactory1.create(ERROR);
394 DiagnosticFactory1<JetExpression, JetType> HAS_NEXT_FUNCTION_AMBIGUITY = DiagnosticFactory1.create(ERROR);
395 DiagnosticFactory1<JetExpression, JetType> HAS_NEXT_FUNCTION_NONE_APPLICABLE = DiagnosticFactory1.create(ERROR);
396 DiagnosticFactory1<JetExpression, JetType> HAS_NEXT_FUNCTION_TYPE_MISMATCH = DiagnosticFactory1.create(ERROR);
397
398 DiagnosticFactory1<JetExpression, JetType> NEXT_AMBIGUITY = DiagnosticFactory1.create(ERROR);
399 DiagnosticFactory1<JetExpression, JetType> NEXT_MISSING = DiagnosticFactory1.create(ERROR);
400 DiagnosticFactory1<JetExpression, JetType> NEXT_NONE_APPLICABLE = DiagnosticFactory1.create(ERROR);
401
402 DiagnosticFactory0<JetExpression> ITERATOR_MISSING = DiagnosticFactory0.create(ERROR);
403 DiagnosticFactory1<PsiElement, Collection<? extends ResolvedCall<?>>> ITERATOR_AMBIGUITY = DiagnosticFactory1.create(ERROR);
404
405 DiagnosticFactory2<JetExpression, String, JetType> DELEGATE_SPECIAL_FUNCTION_MISSING = DiagnosticFactory2.create(ERROR);
406 DiagnosticFactory2<JetExpression, String, Collection<? extends ResolvedCall<?>>> DELEGATE_SPECIAL_FUNCTION_AMBIGUITY = DiagnosticFactory2.create(ERROR);
407 DiagnosticFactory2<JetExpression, String, Collection<? extends ResolvedCall<?>>> DELEGATE_SPECIAL_FUNCTION_NONE_APPLICABLE = DiagnosticFactory2.create(ERROR);
408 DiagnosticFactory3<JetExpression, String, JetType, JetType> DELEGATE_SPECIAL_FUNCTION_RETURN_TYPE_MISMATCH = DiagnosticFactory3.create(ERROR);
409
410 DiagnosticFactory1<JetSimpleNameExpression, JetType> COMPARE_TO_TYPE_MISMATCH = DiagnosticFactory1.create(ERROR);
411
412 // Labels
413
414 DiagnosticFactory0<JetSimpleNameExpression> LABEL_NAME_CLASH = DiagnosticFactory0.create(WARNING);
415 DiagnosticFactory0<JetSimpleNameExpression> AMBIGUOUS_LABEL = DiagnosticFactory0.create(ERROR);
416
417 DiagnosticFactory0<JetLabelQualifiedExpression> BREAK_OR_CONTINUE_OUTSIDE_A_LOOP = DiagnosticFactory0.create(ERROR);
418 DiagnosticFactory1<JetLabelQualifiedExpression, String> NOT_A_LOOP_LABEL = DiagnosticFactory1.create(ERROR);
419 DiagnosticFactory1<JetReturnExpression, String> NOT_A_RETURN_LABEL = DiagnosticFactory1.create(ERROR);
420
421 // Control flow / Data flow
422
423 DiagnosticFactory0<JetElement> UNREACHABLE_CODE = DiagnosticFactory0.create(ERROR);
424
425 DiagnosticFactory0<JetVariableDeclaration> VARIABLE_WITH_NO_TYPE_NO_INITIALIZER = DiagnosticFactory0.create(ERROR, NAME_IDENTIFIER);
426
427 DiagnosticFactory1<JetSimpleNameExpression, VariableDescriptor> UNINITIALIZED_VARIABLE = DiagnosticFactory1.create(ERROR);
428 DiagnosticFactory1<JetSimpleNameExpression, ValueParameterDescriptor> UNINITIALIZED_PARAMETER = DiagnosticFactory1.create(ERROR);
429
430 DiagnosticFactory1<PsiNameIdentifierOwner, Object> UNUSED_VARIABLE = DiagnosticFactory1.create(WARNING, NAME_IDENTIFIER);
431 DiagnosticFactory1<PsiNameIdentifierOwner, Object> UNUSED_PARAMETER = DiagnosticFactory1.create(WARNING, NAME_IDENTIFIER);
432
433 DiagnosticFactory1<PsiNameIdentifierOwner, Object> ASSIGNED_BUT_NEVER_ACCESSED_VARIABLE =
434 DiagnosticFactory1.create(WARNING, NAME_IDENTIFIER);
435 DiagnosticFactory1<JetExpression, DeclarationDescriptor> VARIABLE_WITH_REDUNDANT_INITIALIZER = DiagnosticFactory1.create(WARNING);
436 DiagnosticFactory2<JetElement, JetElement, DeclarationDescriptor> UNUSED_VALUE = DiagnosticFactory2.create(WARNING);
437 DiagnosticFactory1<JetElement, JetElement> UNUSED_CHANGED_VALUE = DiagnosticFactory1.create(WARNING);
438 DiagnosticFactory0<JetElement> UNUSED_EXPRESSION = DiagnosticFactory0.create(WARNING);
439 DiagnosticFactory0<JetFunctionLiteralExpression> UNUSED_FUNCTION_LITERAL = DiagnosticFactory0.create(WARNING);
440
441 DiagnosticFactory1<JetExpression, DeclarationDescriptor> VAL_REASSIGNMENT = DiagnosticFactory1.create(ERROR);
442
443 DiagnosticFactory1<JetExpression, DeclarationDescriptor> INITIALIZATION_BEFORE_DECLARATION = DiagnosticFactory1.create(ERROR);
444
445 DiagnosticFactory0<JetExpression> VARIABLE_EXPECTED = DiagnosticFactory0.create(ERROR);
446
447 DiagnosticFactory2<JetBinaryExpression, JetBinaryExpression, Boolean> SENSELESS_COMPARISON = DiagnosticFactory2.create(WARNING);
448
449 DiagnosticFactory0<JetElement> SENSELESS_NULL_IN_WHEN = DiagnosticFactory0.create(WARNING);
450
451 // Nullability
452
453 DiagnosticFactory1<PsiElement, JetType> UNSAFE_CALL = DiagnosticFactory1.create(ERROR);
454 DiagnosticFactory3<JetReferenceExpression, String, String, String> UNSAFE_INFIX_CALL = DiagnosticFactory3.create(ERROR);
455 DiagnosticFactory1<PsiElement, JetType> UNNECESSARY_SAFE_CALL = DiagnosticFactory1.create(WARNING);
456 DiagnosticFactory1<PsiElement, JetType> UNNECESSARY_NOT_NULL_ASSERTION = DiagnosticFactory1.create(WARNING);
457
458 DiagnosticFactory1<JetExpression, JetType> USELESS_ELVIS = DiagnosticFactory1.create(WARNING);
459
460 // Compile-time values
461
462 DiagnosticFactory1<PsiElement, String> ERROR_COMPILE_TIME_VALUE = DiagnosticFactory1.create(ERROR);
463 DiagnosticFactory0<JetEscapeStringTemplateEntry> ILLEGAL_ESCAPE_SEQUENCE = DiagnosticFactory0.create(ERROR);
464
465 // Casts and is-checks
466
467 DiagnosticFactory1<JetElement, JetType> CANNOT_CHECK_FOR_ERASED = DiagnosticFactory1.create(ERROR);
468 DiagnosticFactory2<JetBinaryExpressionWithTypeRHS, JetType, JetType> UNCHECKED_CAST = DiagnosticFactory2.create(WARNING);
469
470 DiagnosticFactory0<JetSimpleNameExpression> USELESS_CAST_STATIC_ASSERT_IS_FINE = DiagnosticFactory0.create(WARNING);
471 DiagnosticFactory0<JetSimpleNameExpression> USELESS_CAST = DiagnosticFactory0.create(WARNING);
472 DiagnosticFactory0<JetSimpleNameExpression> CAST_NEVER_SUCCEEDS = DiagnosticFactory0.create(WARNING);
473
474 DiagnosticFactory1<JetExpression, JetType> IMPLICIT_CAST_TO_UNIT_OR_ANY = DiagnosticFactory1.create(WARNING);
475
476 DiagnosticFactory2<JetExpression, JetType, String> AUTOCAST_IMPOSSIBLE = DiagnosticFactory2.create(ERROR);
477
478 DiagnosticFactory0<JetNullableType> USELESS_NULLABLE_CHECK = DiagnosticFactory0.create(WARNING, NULLABLE_TYPE);
479
480 // Properties / locals
481
482 DiagnosticFactory1<JetExpression, DeclarationDescriptor> INITIALIZATION_USING_BACKING_FIELD_CUSTOM_SETTER = DiagnosticFactory1.create(ERROR);
483 DiagnosticFactory1<JetExpression, DeclarationDescriptor> INITIALIZATION_USING_BACKING_FIELD_OPEN_SETTER = DiagnosticFactory1.create(ERROR);
484
485 DiagnosticFactory0<JetTypeReference> LOCAL_EXTENSION_PROPERTY = DiagnosticFactory0.create(ERROR);
486 DiagnosticFactory0<JetPropertyAccessor> LOCAL_VARIABLE_WITH_GETTER = DiagnosticFactory0.create(ERROR);
487 DiagnosticFactory0<JetPropertyAccessor> LOCAL_VARIABLE_WITH_SETTER = DiagnosticFactory0.create(ERROR);
488
489 DiagnosticFactory3<JetExpression, DeclarationDescriptor, Visibility, DeclarationDescriptor> INVISIBLE_SETTER = DiagnosticFactory3.create(ERROR);
490
491 DiagnosticFactory1<PsiElement, JetKeywordToken> VAL_OR_VAR_ON_LOOP_PARAMETER = DiagnosticFactory1.create(ERROR);
492 DiagnosticFactory1<PsiElement, JetKeywordToken> VAL_OR_VAR_ON_FUN_PARAMETER = DiagnosticFactory1.create(ERROR);
493 DiagnosticFactory1<PsiElement, JetKeywordToken> VAL_OR_VAR_ON_CATCH_PARAMETER = DiagnosticFactory1.create(ERROR);
494
495 // Backing fields
496
497 DiagnosticFactory0<JetElement> NO_BACKING_FIELD_ABSTRACT_PROPERTY = DiagnosticFactory0.create(ERROR);
498 DiagnosticFactory0<JetElement> NO_BACKING_FIELD_CUSTOM_ACCESSORS = DiagnosticFactory0.create(ERROR);
499 DiagnosticFactory0<JetElement> INACCESSIBLE_BACKING_FIELD = DiagnosticFactory0.create(ERROR);
500 DiagnosticFactory0<JetElement> NOT_PROPERTY_BACKING_FIELD = DiagnosticFactory0.create(ERROR);
501
502 // When expressions
503
504 DiagnosticFactory0<JetWhenCondition> EXPECTED_CONDITION = DiagnosticFactory0.create(ERROR);
505 DiagnosticFactory0<JetWhenEntry> ELSE_MISPLACED_IN_WHEN = DiagnosticFactory0.create(ERROR, ELSE_ENTRY);
506 DiagnosticFactory0<JetWhenExpression> NO_ELSE_IN_WHEN = DiagnosticFactory0.create(ERROR, WHEN_EXPRESSION);
507
508 // Type mismatch
509
510 DiagnosticFactory2<JetExpression, JetType, JetType> TYPE_MISMATCH = DiagnosticFactory2.create(ERROR);
511 DiagnosticFactory1<JetExpression, JetType> RETURN_TYPE_MISMATCH = DiagnosticFactory1.create(ERROR);
512 DiagnosticFactory1<JetExpression, JetType> EXPECTED_TYPE_MISMATCH = DiagnosticFactory1.create(ERROR);
513 DiagnosticFactory1<JetBinaryExpression, JetType> ASSIGNMENT_TYPE_MISMATCH = DiagnosticFactory1.create(ERROR);
514 DiagnosticFactory2<JetTypeReference, JetType, JetType> TYPE_MISMATCH_IN_FOR_LOOP = DiagnosticFactory2.create(ERROR);
515 DiagnosticFactory1<JetElement, JetType> TYPE_MISMATCH_IN_CONDITION = DiagnosticFactory1.create(ERROR);
516 DiagnosticFactory3<JetExpression, String, JetType, JetType> RESULT_TYPE_MISMATCH = DiagnosticFactory3.create(ERROR);
517 DiagnosticFactory0<JetWhenConditionInRange> TYPE_MISMATCH_IN_RANGE = DiagnosticFactory0.create(ERROR, WHEN_CONDITION_IN_RANGE);
518
519 DiagnosticFactory1<JetParameter, JetType> EXPECTED_PARAMETER_TYPE_MISMATCH = DiagnosticFactory1.create(ERROR);
520 DiagnosticFactory1<JetTypeReference, JetType> EXPECTED_RETURN_TYPE_MISMATCH = DiagnosticFactory1.create(ERROR);
521 DiagnosticFactory2<JetFunctionLiteral, Integer, List<JetType>> EXPECTED_PARAMETERS_NUMBER_MISMATCH =
522 DiagnosticFactory2.create(ERROR, FUNCTION_LITERAL_PARAMETERS);
523
524 DiagnosticFactory2<JetElement, JetType, JetType> INCOMPATIBLE_TYPES = DiagnosticFactory2.create(ERROR);
525
526 // Context tracking
527
528 DiagnosticFactory1<JetExpression, JetExpression> EXPRESSION_EXPECTED = DiagnosticFactory1.create(ERROR);
529 DiagnosticFactory0<JetBinaryExpression> ASSIGNMENT_IN_EXPRESSION_CONTEXT = DiagnosticFactory0.create(ERROR);
530 DiagnosticFactory0<JetDeclaration> DECLARATION_IN_ILLEGAL_CONTEXT = DiagnosticFactory0.create(ERROR);
531
532 DiagnosticFactory0<JetSimpleNameExpression> EXPRESSION_EXPECTED_NAMESPACE_FOUND = DiagnosticFactory0.create(ERROR);
533
534 DiagnosticFactory0<JetReturnExpression> RETURN_NOT_ALLOWED = DiagnosticFactory0.create(ERROR);
535 DiagnosticFactory0<JetReturnExpression> RETURN_IN_FUNCTION_WITH_EXPRESSION_BODY = DiagnosticFactory0.create(ERROR);
536 DiagnosticFactory0<JetDeclarationWithBody>
537 NO_RETURN_IN_FUNCTION_WITH_BLOCK_BODY = DiagnosticFactory0.create(ERROR, DECLARATION_WITH_BODY);
538
539 DiagnosticFactory0<JetClassInitializer> ANONYMOUS_INITIALIZER_IN_TRAIT = DiagnosticFactory0.create(ERROR);
540
541 DiagnosticFactory0<JetThisExpression> NO_THIS = DiagnosticFactory0.create(ERROR);
542 DiagnosticFactory0<JetRootNamespaceExpression> NAMESPACE_IS_NOT_AN_EXPRESSION = DiagnosticFactory0.create(ERROR);
543 DiagnosticFactory1<JetSimpleNameExpression, ClassifierDescriptor> NO_CLASS_OBJECT = DiagnosticFactory1.create(ERROR);
544 DiagnosticFactory1<JetSimpleNameExpression, TypeParameterDescriptor> TYPE_PARAMETER_IS_NOT_AN_EXPRESSION = DiagnosticFactory1.create(ERROR);
545 DiagnosticFactory1<JetSimpleNameExpression, TypeParameterDescriptor> TYPE_PARAMETER_ON_LHS_OF_DOT = DiagnosticFactory1.create(ERROR);
546
547 DiagnosticFactory1<PsiElement, ClassDescriptor> INACCESSIBLE_OUTER_CLASS_EXPRESSION = DiagnosticFactory1.create(ERROR);
548 DiagnosticFactory0<PsiElement> NESTED_CLASS_NOT_ALLOWED = DiagnosticFactory0.create(ERROR);
549
550
551 // Error sets
552 ImmutableSet<? extends AbstractDiagnosticFactory> UNRESOLVED_REFERENCE_DIAGNOSTICS = ImmutableSet.of(
553 UNRESOLVED_REFERENCE, NAMED_PARAMETER_NOT_FOUND, UNRESOLVED_REFERENCE_WRONG_RECEIVER);
554 ImmutableSet<? extends AbstractDiagnosticFactory> UNUSED_ELEMENT_DIAGNOSTICS = ImmutableSet.of(
555 UNUSED_VARIABLE, UNUSED_PARAMETER, ASSIGNED_BUT_NEVER_ACCESSED_VARIABLE);
556 ImmutableSet<? extends AbstractDiagnosticFactory> REDECLARATION_DIAGNOSTICS = ImmutableSet.of(
557 REDECLARATION, NAME_SHADOWING);
558 ImmutableSet<? extends AbstractDiagnosticFactory> TYPE_INFERENCE_ERRORS = ImmutableSet.of(
559 TYPE_INFERENCE_NO_INFORMATION_FOR_PARAMETER, TYPE_INFERENCE_CONFLICTING_SUBSTITUTIONS, TYPE_INFERENCE_TYPE_CONSTRUCTOR_MISMATCH,
560 TYPE_INFERENCE_UPPER_BOUND_VIOLATED, TYPE_INFERENCE_EXPECTED_TYPE_MISMATCH);
561
562 ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
563
564 // This field is needed to make the Initializer class load (interfaces cannot have static initializers)
565
566 ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
567 @SuppressWarnings("UnusedDeclaration")
568 Initializer __initializer = Initializer.INSTANCE;
569
570 class Initializer {
571 static {
572 for (Field field : Errors.class.getFields()) {
573 if (Modifier.isStatic(field.getModifiers())) {
574 try {
575 Object value = field.get(null);
576 if (value instanceof AbstractDiagnosticFactory) {
577 AbstractDiagnosticFactory factory = (AbstractDiagnosticFactory)value;
578 factory.setName(field.getName());
579 }
580 }
581 catch (IllegalAccessException e) {
582 throw new IllegalStateException(e);
583 }
584 }
585 }
586 }
587
588 private static final Initializer INSTANCE = new Initializer();
589
590 private Initializer() {
591 }
592 }
593 }