001    /*
002     * Copyright 2010-2015 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.kotlin.diagnostics;
018    
019    import com.google.common.collect.ImmutableSet;
020    import com.intellij.openapi.util.TextRange;
021    import com.intellij.psi.PsiElement;
022    import com.intellij.psi.impl.source.tree.LeafPsiElement;
023    import org.jetbrains.annotations.NotNull;
024    import org.jetbrains.kotlin.descriptors.*;
025    import org.jetbrains.kotlin.lexer.KtKeywordToken;
026    import org.jetbrains.kotlin.lexer.KtModifierKeywordToken;
027    import org.jetbrains.kotlin.lexer.KtTokens;
028    import org.jetbrains.kotlin.name.Name;
029    import org.jetbrains.kotlin.psi.*;
030    import org.jetbrains.kotlin.resolve.calls.inference.InferenceErrorData;
031    import org.jetbrains.kotlin.resolve.calls.model.ResolvedCall;
032    import org.jetbrains.kotlin.resolve.varianceChecker.VarianceChecker.VarianceConflictDiagnosticData;
033    import org.jetbrains.kotlin.types.KotlinType;
034    
035    import java.lang.reflect.Field;
036    import java.lang.reflect.Modifier;
037    import java.util.Collection;
038    import java.util.List;
039    
040    import static org.jetbrains.kotlin.diagnostics.PositioningStrategies.*;
041    import static org.jetbrains.kotlin.diagnostics.Severity.ERROR;
042    import static org.jetbrains.kotlin.diagnostics.Severity.WARNING;
043    
044    /**
045     * For error messages, see DefaultErrorMessages and IdeErrorMessages.
046     */
047    public interface Errors {
048    
049        ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
050    
051        // Meta-errors: unsupported features, failure
052    
053        ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
054    
055        DiagnosticFactory1<PsiElement, String> UNSUPPORTED = DiagnosticFactory1.create(ERROR);
056        DiagnosticFactory1<PsiElement, Throwable> EXCEPTION_FROM_ANALYZER = DiagnosticFactory1.create(ERROR);
057    
058        ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
059    
060        // Generic errors/warnings: applicable in many contexts
061    
062        ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
063    
064        DiagnosticFactory1<PsiElement, String> REDECLARATION = DiagnosticFactory1.create(ERROR, FOR_REDECLARATION);
065    
066        DiagnosticFactory1<KtReferenceExpression, KtReferenceExpression> UNRESOLVED_REFERENCE =
067                DiagnosticFactory1.create(ERROR, FOR_UNRESOLVED_REFERENCE);
068    
069        //Elements with "INVISIBLE_REFERENCE" error are marked as unresolved, unlike elements with "INVISIBLE_MEMBER" error
070        //"INVISIBLE_REFERENCE" is used for invisible classes references and references in import
071        DiagnosticFactory3<KtSimpleNameExpression, DeclarationDescriptor, Visibility, DeclarationDescriptor> INVISIBLE_REFERENCE =
072                DiagnosticFactory3.create(ERROR);
073        DiagnosticFactory3<PsiElement, DeclarationDescriptor, Visibility, DeclarationDescriptor> INVISIBLE_MEMBER = DiagnosticFactory3.create(ERROR, CALL_ELEMENT);
074    
075        // Exposed visibility group
076        DiagnosticFactory2<KtProperty, EffectiveVisibility, EffectiveVisibility> EXPOSED_PROPERTY_TYPE = DiagnosticFactory2.create(WARNING);
077        DiagnosticFactory2<PsiElement, EffectiveVisibility, EffectiveVisibility> EXPOSED_FUNCTION_RETURN_TYPE = DiagnosticFactory2.create(WARNING);
078        DiagnosticFactory2<KtParameter, EffectiveVisibility, EffectiveVisibility> EXPOSED_PARAMETER_TYPE = DiagnosticFactory2.create(WARNING);
079        DiagnosticFactory2<KtTypeReference, EffectiveVisibility, EffectiveVisibility> EXPOSED_RECEIVER_TYPE = DiagnosticFactory2.create(WARNING);
080        DiagnosticFactory2<KtTypeParameter, EffectiveVisibility, EffectiveVisibility> EXPOSED_TYPE_PARAMETER_BOUND = DiagnosticFactory2.create(WARNING);
081        DiagnosticFactory2<KtDelegationSpecifier, EffectiveVisibility, EffectiveVisibility> EXPOSED_SUPER_CLASS = DiagnosticFactory2.create(WARNING);
082        DiagnosticFactory2<KtDelegationSpecifier, EffectiveVisibility, EffectiveVisibility> EXPOSED_SUPER_INTERFACE = DiagnosticFactory2.create(WARNING);
083    
084        DiagnosticFactory1<KtElement, Collection<ClassDescriptor>> PLATFORM_CLASS_MAPPED_TO_KOTLIN = DiagnosticFactory1.create(WARNING);
085    
086        ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
087    
088        // Errors/warnings in types
089        // Note: class/interface declaration is NOT a type. A type is something that may be written on the right-hand side of ":"
090    
091        ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
092    
093        DiagnosticFactory0<KtTypeProjection> PROJECTION_ON_NON_CLASS_TYPE_ARGUMENT = DiagnosticFactory0.create(ERROR, VARIANCE_IN_PROJECTION);
094        DiagnosticFactory2<KtTypeReference, KotlinType, KotlinType> UPPER_BOUND_VIOLATED = DiagnosticFactory2.create(ERROR);
095        DiagnosticFactory0<KtNullableType> REDUNDANT_NULLABLE = DiagnosticFactory0.create(WARNING, NULLABLE_TYPE);
096        DiagnosticFactory1<KtElement, Integer> WRONG_NUMBER_OF_TYPE_ARGUMENTS = DiagnosticFactory1.create(ERROR);
097        DiagnosticFactory2<KtTypeReference, Integer, String> NO_TYPE_ARGUMENTS_ON_RHS = DiagnosticFactory2.create(ERROR);
098        DiagnosticFactory1<KtTypeProjection, ClassifierDescriptor> CONFLICTING_PROJECTION = DiagnosticFactory1.create(ERROR, VARIANCE_IN_PROJECTION);
099        DiagnosticFactory1<KtTypeProjection, ClassifierDescriptor> REDUNDANT_PROJECTION = DiagnosticFactory1.create(WARNING, VARIANCE_IN_PROJECTION);
100        DiagnosticFactory1<PsiElement, VarianceConflictDiagnosticData> TYPE_VARIANCE_CONFLICT =
101                DiagnosticFactory1.create(ERROR, DECLARATION_SIGNATURE_OR_DEFAULT);
102    
103        ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
104    
105        // Errors in declarations
106    
107        ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
108    
109        // Imports
110    
111        DiagnosticFactory1<KtSimpleNameExpression, ClassDescriptor> CANNOT_ALL_UNDER_IMPORT_FROM_SINGLETON = DiagnosticFactory1.create(ERROR);
112        DiagnosticFactory1<KtSimpleNameExpression, Name> CANNOT_BE_IMPORTED = DiagnosticFactory1.create(ERROR);
113        DiagnosticFactory0<KtSimpleNameExpression> PACKAGE_CANNOT_BE_IMPORTED = DiagnosticFactory0.create(ERROR);
114    
115        DiagnosticFactory1<KtImportDirective, String> CONFLICTING_IMPORT = DiagnosticFactory1.create(ERROR, PositioningStrategies.IMPORT_ALIAS);
116    
117        // Modifiers
118    
119        DiagnosticFactory2<PsiElement, KtModifierKeywordToken, KtModifierKeywordToken> INCOMPATIBLE_MODIFIERS = DiagnosticFactory2.create(ERROR);
120        DiagnosticFactory2<PsiElement, KtModifierKeywordToken, KtModifierKeywordToken> DEPRECATED_MODIFIER_PAIR = DiagnosticFactory2.create(WARNING);
121        DiagnosticFactory1<PsiElement, KtModifierKeywordToken> REPEATED_MODIFIER = DiagnosticFactory1.create(ERROR);
122        DiagnosticFactory2<PsiElement, KtModifierKeywordToken, KtModifierKeywordToken> REDUNDANT_MODIFIER = DiagnosticFactory2.create(WARNING);
123        DiagnosticFactory2<PsiElement, KtModifierKeywordToken, String> WRONG_MODIFIER_TARGET = DiagnosticFactory2.create(ERROR);
124        DiagnosticFactory2<PsiElement, KtModifierKeywordToken, String> REDUNDANT_MODIFIER_FOR_TARGET = DiagnosticFactory2.create(WARNING);
125        DiagnosticFactory2<PsiElement, KtModifierKeywordToken, String> WRONG_MODIFIER_CONTAINING_DECLARATION = DiagnosticFactory2.create(ERROR);
126        DiagnosticFactory2<PsiElement, KtModifierKeywordToken, String> DEPRECATED_MODIFIER_CONTAINING_DECLARATION = DiagnosticFactory2.create(WARNING);
127        DiagnosticFactory1<PsiElement, KtModifierKeywordToken> ILLEGAL_INLINE_PARAMETER_MODIFIER = DiagnosticFactory1.create(ERROR);
128        DiagnosticFactory1<KtAnnotationEntry, String> WRONG_ANNOTATION_TARGET = DiagnosticFactory1.create(ERROR);
129        DiagnosticFactory2<KtAnnotationEntry, String, String> WRONG_ANNOTATION_TARGET_WITH_USE_SITE_TARGET = DiagnosticFactory2.create(ERROR);
130        DiagnosticFactory0<KtAnnotationEntry> REPEATED_ANNOTATION = DiagnosticFactory0.create(ERROR);
131        DiagnosticFactory0<KtAnnotationEntry> NON_SOURCE_ANNOTATION_ON_INLINED_FUNCTION_LITERAL = DiagnosticFactory0.create(ERROR);
132    
133        // Annotations
134    
135        DiagnosticFactory0<KtDelegationSpecifierList> SUPERTYPES_FOR_ANNOTATION_CLASS = DiagnosticFactory0.create(ERROR);
136        DiagnosticFactory0<KtParameter> MISSING_VAL_ON_ANNOTATION_PARAMETER = DiagnosticFactory0.create(ERROR);
137        DiagnosticFactory0<KtCallExpression> ANNOTATION_CLASS_CONSTRUCTOR_CALL = DiagnosticFactory0.create(ERROR);
138        DiagnosticFactory1<KtAnnotationEntry, DeclarationDescriptor> NOT_AN_ANNOTATION_CLASS = DiagnosticFactory1.create(ERROR);
139        DiagnosticFactory0<PsiElement> ANNOTATION_CLASS_WITH_BODY = DiagnosticFactory0.create(ERROR);
140        DiagnosticFactory0<KtTypeReference> INVALID_TYPE_OF_ANNOTATION_MEMBER = DiagnosticFactory0.create(ERROR);
141        DiagnosticFactory0<KtTypeReference> NULLABLE_TYPE_OF_ANNOTATION_MEMBER = DiagnosticFactory0.create(ERROR);
142        DiagnosticFactory0<KtExpression> ANNOTATION_PARAMETER_MUST_BE_CONST = DiagnosticFactory0.create(ERROR);
143        DiagnosticFactory0<KtExpression> ANNOTATION_PARAMETER_MUST_BE_KCLASS_LITERAL = DiagnosticFactory0.create(ERROR);
144        DiagnosticFactory0<KtExpression> ANNOTATION_PARAMETER_MUST_BE_ENUM_CONST = DiagnosticFactory0.create(ERROR);
145        DiagnosticFactory0<KtExpression> ANNOTATION_PARAMETER_DEFAULT_VALUE_MUST_BE_CONSTANT = DiagnosticFactory0.create(ERROR);
146    
147        // Const
148        DiagnosticFactory0<PsiElement> CONST_VAL_NOT_TOP_LEVEL_OR_OBJECT = DiagnosticFactory0.create(ERROR);
149        DiagnosticFactory0<PsiElement> CONST_VAL_WITH_GETTER = DiagnosticFactory0.create(ERROR);
150        DiagnosticFactory0<PsiElement> CONST_VAL_WITH_DELEGATE = DiagnosticFactory0.create(ERROR);
151        DiagnosticFactory1<PsiElement, KotlinType> TYPE_CANT_BE_USED_FOR_CONST_VAL = DiagnosticFactory1.create(ERROR);
152        DiagnosticFactory0<PsiElement> CONST_VAL_WITHOUT_INITIALIZER = DiagnosticFactory0.create(ERROR);
153        DiagnosticFactory0<KtExpression> CONST_VAL_WITH_NON_CONST_INITIALIZER = DiagnosticFactory0.create(ERROR);
154    
155        DiagnosticFactory0<KtExpression> NON_CONST_VAL_USED_IN_CONSTANT_EXPRESSION = DiagnosticFactory0.create(ERROR);
156    
157        DiagnosticFactory1<PsiElement, String> INAPPLICABLE_TARGET_ON_PROPERTY = DiagnosticFactory1.create(ERROR);
158        DiagnosticFactory0<PsiElement> INAPPLICABLE_FIELD_TARGET_NO_BACKING_FIELD = DiagnosticFactory0.create(ERROR);
159        DiagnosticFactory0<PsiElement> INAPPLICABLE_TARGET_PROPERTY_IMMUTABLE = DiagnosticFactory0.create(ERROR);
160        DiagnosticFactory0<PsiElement> INAPPLICABLE_RECEIVER_TARGET = DiagnosticFactory0.create(ERROR);
161        DiagnosticFactory0<PsiElement> INAPPLICABLE_PARAM_TARGET = DiagnosticFactory0.create(ERROR);
162        DiagnosticFactory1<PsiElement, String> REDUNDANT_ANNOTATION_TARGET = DiagnosticFactory1.create(WARNING);
163    
164        // Classes and interfaces
165    
166        DiagnosticFactory0<KtTypeProjection> PROJECTION_IN_IMMEDIATE_ARGUMENT_TO_SUPERTYPE =
167                DiagnosticFactory0.create(ERROR, VARIANCE_IN_PROJECTION);
168    
169        DiagnosticFactory0<PsiElement> CYCLIC_INHERITANCE_HIERARCHY = DiagnosticFactory0.create(ERROR);
170    
171        DiagnosticFactory0<KtDelegatorToSuperClass> SUPERTYPE_NOT_INITIALIZED = DiagnosticFactory0.create(ERROR);
172    
173        DiagnosticFactory0<KtTypeReference> DELEGATION_NOT_TO_INTERFACE = DiagnosticFactory0.create(ERROR);
174        DiagnosticFactory0<KtTypeReference> SUPERTYPE_NOT_A_CLASS_OR_INTERFACE = DiagnosticFactory0.create(ERROR);
175        DiagnosticFactory0<KtTypeReference> SUPERTYPE_IS_EXTENSION_FUNCTION_TYPE = DiagnosticFactory0.create(ERROR);
176    
177        DiagnosticFactory0<PsiElement> NO_GENERICS_IN_SUPERTYPE_SPECIFIER = DiagnosticFactory0.create(ERROR);
178    
179        DiagnosticFactory0<PsiElement> GENERICS_IN_CONTAINING_TYPE_NOT_ALLOWED = DiagnosticFactory0.create(ERROR);
180    
181        DiagnosticFactory0<KtTypeReference> MANY_CLASSES_IN_SUPERTYPE_LIST = DiagnosticFactory0.create(ERROR);
182        DiagnosticFactory0<KtTypeReference> SUPERTYPE_APPEARS_TWICE = DiagnosticFactory0.create(ERROR);
183        DiagnosticFactory3<KtDelegationSpecifierList, TypeParameterDescriptor, ClassDescriptor, Collection<KotlinType>>
184                INCONSISTENT_TYPE_PARAMETER_VALUES = DiagnosticFactory3.create(ERROR);
185    
186    
187        DiagnosticFactory0<KtTypeReference> FINAL_SUPERTYPE = DiagnosticFactory0.create(ERROR);
188        DiagnosticFactory0<KtTypeReference> DATA_CLASS_CANNOT_HAVE_CLASS_SUPERTYPES = DiagnosticFactory0.create(ERROR);
189        DiagnosticFactory0<KtTypeReference> SINGLETON_IN_SUPERTYPE = DiagnosticFactory0.create(ERROR);
190        DiagnosticFactory0<KtNullableType> NULLABLE_SUPERTYPE = DiagnosticFactory0.create(ERROR, NULLABLE_TYPE);
191        DiagnosticFactory0<KtTypeReference> DYNAMIC_SUPERTYPE = DiagnosticFactory0.create(ERROR);
192    
193        DiagnosticFactory0<KtElement> MISSING_CONSTRUCTOR_KEYWORD = DiagnosticFactory0.create(ERROR);
194    
195        // Secondary constructors
196    
197        DiagnosticFactory0<KtConstructorDelegationReferenceExpression> CYCLIC_CONSTRUCTOR_DELEGATION_CALL = DiagnosticFactory0.create(ERROR);
198    
199        DiagnosticFactory0<KtDeclaration> CONSTRUCTOR_IN_OBJECT = DiagnosticFactory0.create(ERROR, DECLARATION_SIGNATURE);
200        DiagnosticFactory0<KtDelegatorToSuperCall> SUPERTYPE_INITIALIZED_WITHOUT_PRIMARY_CONSTRUCTOR = DiagnosticFactory0.create(ERROR);
201    
202        DiagnosticFactory0<KtConstructorDelegationCall> PRIMARY_CONSTRUCTOR_DELEGATION_CALL_EXPECTED =
203                DiagnosticFactory0.create(ERROR, PositioningStrategies.SECONDARY_CONSTRUCTOR_DELEGATION_CALL);
204    
205        DiagnosticFactory0<KtConstructorDelegationReferenceExpression> DELEGATION_SUPER_CALL_IN_ENUM_CONSTRUCTOR =
206                DiagnosticFactory0.create(ERROR);
207    
208        DiagnosticFactory0<PsiElement> PRIMARY_CONSTRUCTOR_REQUIRED_FOR_DATA_CLASS = DiagnosticFactory0.create(ERROR);
209        DiagnosticFactory0<KtConstructorDelegationCall> EXPLICIT_DELEGATION_CALL_REQUIRED =
210                DiagnosticFactory0.create(ERROR, PositioningStrategies.SECONDARY_CONSTRUCTOR_DELEGATION_CALL);
211    
212        DiagnosticFactory1<PsiElement, DeclarationDescriptor> INSTANCE_ACCESS_BEFORE_SUPER_CALL = DiagnosticFactory1.create(ERROR);
213    
214        // Interface-specific
215    
216        DiagnosticFactory0<KtModifierListOwner> ABSTRACT_MODIFIER_IN_INTERFACE = DiagnosticFactory0
217                .create(WARNING, ABSTRACT_MODIFIER);
218    
219        DiagnosticFactory0<KtDeclaration> CONSTRUCTOR_IN_INTERFACE = DiagnosticFactory0.create(ERROR, DECLARATION_SIGNATURE);
220        DiagnosticFactory0<KtDeclaration> METHOD_OF_ANY_IMPLEMENTED_IN_INTERFACE = DiagnosticFactory0.create(ERROR);
221    
222        DiagnosticFactory0<PsiElement> SUPERTYPE_INITIALIZED_IN_INTERFACE = DiagnosticFactory0.create(ERROR);
223    
224        DiagnosticFactory0<KtDelegatorByExpressionSpecifier> DELEGATION_IN_INTERFACE = DiagnosticFactory0.create(ERROR);
225    
226        DiagnosticFactory0<PsiElement> INTERFACE_WITH_SUPERCLASS = DiagnosticFactory0.create(ERROR);
227    
228        // Enum-specific
229    
230        DiagnosticFactory0<PsiElement> CLASS_IN_SUPERTYPE_FOR_ENUM = DiagnosticFactory0.create(ERROR);
231        DiagnosticFactory0<KtTypeParameterList> TYPE_PARAMETERS_IN_ENUM = DiagnosticFactory0.create(ERROR);
232        DiagnosticFactory0<KtClass> ENUM_ENTRY_SHOULD_BE_INITIALIZED = DiagnosticFactory0.create(ERROR);
233        DiagnosticFactory0<KtCallExpression> ENUM_CLASS_CONSTRUCTOR_CALL = DiagnosticFactory0.create(ERROR);
234    
235        // Sealed-specific
236        DiagnosticFactory0<KtCallExpression> SEALED_CLASS_CONSTRUCTOR_CALL = DiagnosticFactory0.create(ERROR);
237        DiagnosticFactory0<KtTypeReference> SEALED_SUPERTYPE = DiagnosticFactory0.create(ERROR);
238        DiagnosticFactory0<KtTypeReference> SEALED_SUPERTYPE_IN_LOCAL_CLASS = DiagnosticFactory0.create(ERROR);
239    
240        // Companion objects
241    
242        DiagnosticFactory0<KtObjectDeclaration> MANY_COMPANION_OBJECTS = DiagnosticFactory0.create(ERROR, COMPANION_OBJECT);
243    
244        DiagnosticFactory2<PsiElement, DeclarationDescriptor, String> DEPRECATION = DiagnosticFactory2.create(WARNING);
245        DiagnosticFactory2<PsiElement, DeclarationDescriptor, String> DEPRECATION_ERROR = DiagnosticFactory2.create(ERROR);
246    
247        // Objects
248    
249        DiagnosticFactory1<KtObjectDeclaration, ClassDescriptor> LOCAL_OBJECT_NOT_ALLOWED = DiagnosticFactory1.create(ERROR, DECLARATION_NAME);
250        DiagnosticFactory1<KtClass, ClassDescriptor> LOCAL_INTERFACE_NOT_ALLOWED = DiagnosticFactory1.create(ERROR, DECLARATION_NAME);
251    
252        // Type parameter declarations
253    
254        DiagnosticFactory1<KtTypeReference, KotlinType> FINAL_UPPER_BOUND = DiagnosticFactory1.create(WARNING);
255        DiagnosticFactory0<KtTypeReference> DYNAMIC_UPPER_BOUND = DiagnosticFactory0.create(ERROR);
256    
257        DiagnosticFactory1<KtNamedDeclaration, TypeParameterDescriptor> CONFLICTING_UPPER_BOUNDS =
258                DiagnosticFactory1.create(ERROR, DECLARATION_NAME);
259    
260        DiagnosticFactory2<KtSimpleNameExpression, KtTypeConstraint, KtTypeParameterListOwner> NAME_IN_CONSTRAINT_IS_NOT_A_TYPE_PARAMETER =
261                DiagnosticFactory2.create(ERROR);
262    
263        DiagnosticFactory0<KtTypeParameter>
264                VARIANCE_ON_TYPE_PARAMETER_OF_FUNCTION_OR_PROPERTY = DiagnosticFactory0.create(ERROR, VARIANCE_MODIFIER);
265    
266        DiagnosticFactory0<KtTypeParameterList> DEPRECATED_TYPE_PARAMETER_SYNTAX = DiagnosticFactory0.create(WARNING);
267    
268        DiagnosticFactory0<PsiElement> REIFIED_TYPE_PARAMETER_NO_INLINE = DiagnosticFactory0.create(ERROR);
269    
270        DiagnosticFactory0<KtDeclaration> TYPE_PARAMETERS_NOT_ALLOWED
271                = DiagnosticFactory0.create(ERROR, TYPE_PARAMETERS_OR_DECLARATION_SIGNATURE);
272    
273        DiagnosticFactory0<KtTypeParameter> TYPE_PARAMETER_OF_PROPERTY_NOT_USED_IN_RECEIVER = DiagnosticFactory0.create(ERROR);
274    
275        DiagnosticFactory0<PsiElement> CYCLIC_GENERIC_UPPER_BOUND = DiagnosticFactory0.create(ERROR);
276    
277        DiagnosticFactory0<KtTypeParameter> MISPLACED_TYPE_PARAMETER_CONSTRAINTS = DiagnosticFactory0.create(WARNING);
278    
279        // Members
280    
281        DiagnosticFactory2<KtDeclaration, CallableMemberDescriptor, String> CONFLICTING_OVERLOADS =
282                DiagnosticFactory2.create(ERROR, DECLARATION_SIGNATURE_OR_DEFAULT);
283    
284        DiagnosticFactory0<KtNamedDeclaration> NON_FINAL_MEMBER_IN_FINAL_CLASS = DiagnosticFactory0.create(WARNING, modifierSetPosition(
285                KtTokens.OPEN_KEYWORD));
286    
287        DiagnosticFactory1<KtModifierListOwner, CallableMemberDescriptor> NOTHING_TO_OVERRIDE = DiagnosticFactory1.create(ERROR, OVERRIDE_MODIFIER);
288    
289        DiagnosticFactory3<KtNamedDeclaration, CallableMemberDescriptor, CallableMemberDescriptor, DeclarationDescriptor> VIRTUAL_MEMBER_HIDDEN =
290                DiagnosticFactory3.create(ERROR, DECLARATION_SIGNATURE);
291    
292        DiagnosticFactory2<KtModifierListOwner, CallableMemberDescriptor, CallableDescriptor> CANNOT_OVERRIDE_INVISIBLE_MEMBER =
293                DiagnosticFactory2.create(ERROR, OVERRIDE_MODIFIER);
294    
295        DiagnosticFactory2<PsiElement, CallableMemberDescriptor, DeclarationDescriptor> DATA_CLASS_OVERRIDE_CONFLICT =
296                DiagnosticFactory2.create(ERROR);
297    
298        DiagnosticFactory1<KtDeclaration, CallableMemberDescriptor> CANNOT_INFER_VISIBILITY =
299                DiagnosticFactory1.create(ERROR, DECLARATION_SIGNATURE_OR_DEFAULT);
300    
301        DiagnosticFactory2<KtNamedDeclaration, CallableMemberDescriptor, DeclarationDescriptor> OVERRIDING_FINAL_MEMBER =
302                DiagnosticFactory2.create(ERROR, OVERRIDE_MODIFIER);
303    
304        DiagnosticFactory3<KtModifierListOwner, Visibility, CallableMemberDescriptor, DeclarationDescriptor> CANNOT_WEAKEN_ACCESS_PRIVILEGE =
305                DiagnosticFactory3.create(ERROR, VISIBILITY_MODIFIER);
306        DiagnosticFactory3<KtModifierListOwner, Visibility, CallableMemberDescriptor, DeclarationDescriptor> CANNOT_CHANGE_ACCESS_PRIVILEGE =
307                DiagnosticFactory3.create(ERROR, VISIBILITY_MODIFIER);
308        DiagnosticFactory2<KtNamedDeclaration, CallableMemberDescriptor, CallableMemberDescriptor> RETURN_TYPE_MISMATCH_ON_OVERRIDE =
309                DiagnosticFactory2.create(ERROR, DECLARATION_RETURN_TYPE);
310        DiagnosticFactory2<KtNamedDeclaration, CallableMemberDescriptor, CallableMemberDescriptor> PROPERTY_TYPE_MISMATCH_ON_OVERRIDE =
311                DiagnosticFactory2.create(ERROR, DECLARATION_RETURN_TYPE);
312    
313        DiagnosticFactory2<KtClassOrObject, KtClassOrObject, CallableMemberDescriptor> ABSTRACT_MEMBER_NOT_IMPLEMENTED =
314                DiagnosticFactory2.create(ERROR, DECLARATION_NAME);
315        DiagnosticFactory2<KtClassOrObject, KtClassOrObject, CallableMemberDescriptor> ABSTRACT_CLASS_MEMBER_NOT_IMPLEMENTED =
316                DiagnosticFactory2.create(ERROR, DECLARATION_NAME);
317        DiagnosticFactory2<KtClassOrObject, KtClassOrObject, CallableMemberDescriptor> MANY_IMPL_MEMBER_NOT_IMPLEMENTED =
318                DiagnosticFactory2.create(ERROR, DECLARATION_NAME);
319        DiagnosticFactory2<KtClassOrObject, KtClassOrObject, CallableMemberDescriptor> MANY_INTERFACES_MEMBER_NOT_IMPLEMENTED =
320                DiagnosticFactory2.create(ERROR, DECLARATION_NAME);
321    
322    
323        DiagnosticFactory1<KtNamedDeclaration, Collection<KotlinType>> AMBIGUOUS_ANONYMOUS_TYPE_INFERRED =
324                DiagnosticFactory1.create(ERROR, DECLARATION_SIGNATURE);
325    
326        // Property-specific
327    
328        DiagnosticFactory2<KtNamedDeclaration, PropertyDescriptor, PropertyDescriptor> VAR_OVERRIDDEN_BY_VAL =
329                DiagnosticFactory2.create(ERROR, VAL_OR_VAR_NODE);
330    
331        DiagnosticFactory0<PsiElement> REDUNDANT_MODIFIER_IN_GETTER = DiagnosticFactory0.create(WARNING);
332        DiagnosticFactory0<PsiElement> GETTER_VISIBILITY_DIFFERS_FROM_PROPERTY_VISIBILITY = DiagnosticFactory0.create(ERROR);
333        DiagnosticFactory0<PsiElement> PRIVATE_SETTER_ON_NON_PRIVATE_LATE_INIT_VAR = DiagnosticFactory0.create(ERROR);
334        DiagnosticFactory0<PsiElement> ACCESSOR_VISIBILITY_FOR_ABSTRACT_PROPERTY = DiagnosticFactory0.create(ERROR);
335        DiagnosticFactory2<KtTypeReference, KotlinType, KotlinType> WRONG_GETTER_RETURN_TYPE = DiagnosticFactory2.create(ERROR);
336    
337        DiagnosticFactory0<KtModifierListOwner>
338                ABSTRACT_PROPERTY_IN_PRIMARY_CONSTRUCTOR_PARAMETERS = DiagnosticFactory0.create(ERROR, ABSTRACT_MODIFIER);
339        DiagnosticFactory0<KtExpression> ABSTRACT_PROPERTY_WITH_INITIALIZER = DiagnosticFactory0.create(ERROR);
340        DiagnosticFactory0<KtPropertyAccessor> ABSTRACT_PROPERTY_WITH_GETTER = DiagnosticFactory0.create(ERROR);
341        DiagnosticFactory0<KtPropertyAccessor> ABSTRACT_PROPERTY_WITH_SETTER = DiagnosticFactory0.create(ERROR);
342    
343        DiagnosticFactory0<KtPropertyDelegate> ABSTRACT_DELEGATED_PROPERTY = DiagnosticFactory0.create(ERROR);
344        DiagnosticFactory0<KtPropertyAccessor> ACCESSOR_FOR_DELEGATED_PROPERTY = DiagnosticFactory0.create(ERROR);
345        DiagnosticFactory0<KtPropertyDelegate> DELEGATED_PROPERTY_IN_INTERFACE = DiagnosticFactory0.create(ERROR);
346        DiagnosticFactory0<KtPropertyDelegate> LOCAL_VARIABLE_WITH_DELEGATE = DiagnosticFactory0.create(ERROR);
347    
348        DiagnosticFactory0<KtProperty> PROPERTY_WITH_NO_TYPE_NO_INITIALIZER = DiagnosticFactory0.create(ERROR, DECLARATION_SIGNATURE);
349    
350        DiagnosticFactory0<KtProperty> MUST_BE_INITIALIZED = DiagnosticFactory0.create(ERROR, DECLARATION_SIGNATURE);
351        DiagnosticFactory0<KtProperty> MUST_BE_INITIALIZED_OR_BE_ABSTRACT = DiagnosticFactory0.create(ERROR, DECLARATION_SIGNATURE);
352    
353        DiagnosticFactory0<KtExpression> EXTENSION_PROPERTY_WITH_BACKING_FIELD = DiagnosticFactory0.create(ERROR);
354        DiagnosticFactory0<KtExpression> PROPERTY_INITIALIZER_NO_BACKING_FIELD = DiagnosticFactory0.create(ERROR);
355        DiagnosticFactory0<KtExpression> PROPERTY_INITIALIZER_IN_INTERFACE = DiagnosticFactory0.create(ERROR);
356        DiagnosticFactory0<KtProperty> FINAL_PROPERTY_IN_INTERFACE = DiagnosticFactory0.create(ERROR, FINAL_MODIFIER);
357        DiagnosticFactory0<KtProperty> PRIVATE_PROPERTY_IN_INTERFACE = DiagnosticFactory0.create(ERROR, PRIVATE_MODIFIER);
358        DiagnosticFactory0<KtProperty> BACKING_FIELD_IN_INTERFACE = DiagnosticFactory0.create(ERROR, DECLARATION_SIGNATURE);
359    
360        DiagnosticFactory0<KtSimpleNameExpression> BACKING_FIELD_OLD_SYNTAX = DiagnosticFactory0.create(ERROR);
361        DiagnosticFactory0<KtSimpleNameExpression> BACKING_FIELD_USAGE_FORBIDDEN = DiagnosticFactory0.create(ERROR);
362    
363        DiagnosticFactory1<PsiElement, String> INAPPLICABLE_LATEINIT_MODIFIER = DiagnosticFactory1.create(ERROR);
364    
365        DiagnosticFactory2<KtModifierListOwner, String, ClassDescriptor> ABSTRACT_PROPERTY_IN_NON_ABSTRACT_CLASS = DiagnosticFactory2.create(ERROR, ABSTRACT_MODIFIER);
366    
367        DiagnosticFactory0<KtPropertyAccessor> VAL_WITH_SETTER = DiagnosticFactory0.create(ERROR);
368    
369        DiagnosticFactory0<KtExpression> SETTER_PARAMETER_WITH_DEFAULT_VALUE = DiagnosticFactory0.create(ERROR);
370    
371        DiagnosticFactory2<KtTypeReference, KotlinType, KotlinType> WRONG_SETTER_PARAMETER_TYPE = DiagnosticFactory2.create(ERROR);
372    
373        // Function-specific
374    
375        DiagnosticFactory2<KtFunction, String, ClassDescriptor> ABSTRACT_FUNCTION_IN_NON_ABSTRACT_CLASS = DiagnosticFactory2.create(ERROR, ABSTRACT_MODIFIER);
376    
377        DiagnosticFactory1<KtFunction, SimpleFunctionDescriptor> ABSTRACT_FUNCTION_WITH_BODY = DiagnosticFactory1.create(ERROR, ABSTRACT_MODIFIER);
378        DiagnosticFactory1<KtFunction, SimpleFunctionDescriptor> NON_ABSTRACT_FUNCTION_WITH_NO_BODY =
379                DiagnosticFactory1.create(ERROR, DECLARATION_SIGNATURE);
380        DiagnosticFactory1<KtFunction, SimpleFunctionDescriptor> FINAL_FUNCTION_WITH_NO_BODY = DiagnosticFactory1.create(ERROR, FINAL_MODIFIER);
381        DiagnosticFactory1<KtFunction, SimpleFunctionDescriptor> PRIVATE_FUNCTION_WITH_NO_BODY = DiagnosticFactory1.create(ERROR, PRIVATE_MODIFIER);
382    
383        DiagnosticFactory1<KtFunction, SimpleFunctionDescriptor> NON_MEMBER_FUNCTION_NO_BODY =
384                DiagnosticFactory1.create(ERROR, DECLARATION_SIGNATURE);
385    
386        DiagnosticFactory0<KtFunction> FUNCTION_DECLARATION_WITH_NO_NAME = DiagnosticFactory0.create(ERROR, DECLARATION_SIGNATURE);
387        DiagnosticFactory0<PsiElement>  FUNCTION_EXPRESSION_WITH_NAME     = DiagnosticFactory0.create(ERROR);
388    
389        DiagnosticFactory0<KtParameter> VALUE_PARAMETER_WITH_NO_TYPE_ANNOTATION = DiagnosticFactory0.create(ERROR);
390    
391        DiagnosticFactory0<KtNamedFunction> NO_TAIL_CALLS_FOUND = DiagnosticFactory0.create(WARNING, DECLARATION_SIGNATURE);
392    
393        DiagnosticFactory0<KtParameter> FUNCTION_EXPRESSION_PARAMETER_WITH_DEFAULT_VALUE = DiagnosticFactory0.create(ERROR, PARAMETER_DEFAULT_VALUE);
394    
395        DiagnosticFactory0<KtParameter> USELESS_VARARG_ON_PARAMETER = DiagnosticFactory0.create(WARNING);
396    
397        // Named parameters
398    
399        DiagnosticFactory0<KtParameter> DEFAULT_VALUE_NOT_ALLOWED_IN_OVERRIDE = DiagnosticFactory0.create(ERROR, PARAMETER_DEFAULT_VALUE);
400    
401        DiagnosticFactory1<KtParameter, ValueParameterDescriptor> MULTIPLE_DEFAULTS_INHERITED_FROM_SUPERTYPES = DiagnosticFactory1.create(ERROR);
402    
403        DiagnosticFactory1<KtClassOrObject, ValueParameterDescriptor> MULTIPLE_DEFAULTS_INHERITED_FROM_SUPERTYPES_WHEN_NO_EXPLICIT_OVERRIDE =
404                DiagnosticFactory1.create(ERROR, DECLARATION_NAME);
405    
406        DiagnosticFactory2<KtParameter, ClassDescriptor, ValueParameterDescriptor> PARAMETER_NAME_CHANGED_ON_OVERRIDE =
407                DiagnosticFactory2.create(WARNING, DECLARATION_NAME);
408    
409        DiagnosticFactory2<KtClassOrObject, Collection<? extends CallableMemberDescriptor>, Integer> DIFFERENT_NAMES_FOR_THE_SAME_PARAMETER_IN_SUPERTYPES =
410                DiagnosticFactory2.create(WARNING, DECLARATION_NAME);
411    
412        DiagnosticFactory0<KtReferenceExpression> NAME_FOR_AMBIGUOUS_PARAMETER = DiagnosticFactory0.create(ERROR);
413    
414        DiagnosticFactory0<PsiElement> DATA_CLASS_WITHOUT_PARAMETERS = DiagnosticFactory0.create(ERROR);
415        DiagnosticFactory0<KtParameter> DATA_CLASS_VARARG_PARAMETER = DiagnosticFactory0.create(ERROR);
416        DiagnosticFactory0<KtParameter> DATA_CLASS_NOT_PROPERTY_PARAMETER = DiagnosticFactory0.create(ERROR);
417    
418        ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
419    
420        // Errors/warnings inside code blocks
421    
422        ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
423    
424        // General
425    
426        DiagnosticFactory1<PsiElement, String> NAME_SHADOWING = DiagnosticFactory1.create(WARNING, PositioningStrategies.FOR_REDECLARATION);
427        DiagnosticFactory0<PsiElement> ACCESSOR_PARAMETER_NAME_SHADOWING = DiagnosticFactory0.create(WARNING);
428    
429        DiagnosticFactory0<KtExpression> TYPECHECKER_HAS_RUN_INTO_RECURSIVE_PROBLEM = DiagnosticFactory0.create(ERROR);
430    
431        // Checking call arguments
432    
433        DiagnosticFactory0<PsiElement> MIXING_NAMED_AND_POSITIONED_ARGUMENTS = DiagnosticFactory0.create(ERROR);
434        DiagnosticFactory0<KtReferenceExpression> ARGUMENT_PASSED_TWICE = DiagnosticFactory0.create(ERROR);
435        DiagnosticFactory1<KtReferenceExpression, KtReferenceExpression> NAMED_PARAMETER_NOT_FOUND =
436                DiagnosticFactory1.create(ERROR, FOR_UNRESOLVED_REFERENCE);
437        DiagnosticFactory1<PsiElement, BadNamedArgumentsTarget> NAMED_ARGUMENTS_NOT_ALLOWED = DiagnosticFactory1.create(ERROR);
438    
439        enum BadNamedArgumentsTarget {
440            NON_KOTLIN_FUNCTION,
441            INVOKE_ON_FUNCTION_TYPE
442        }
443    
444        DiagnosticFactory0<KtExpression> VARARG_OUTSIDE_PARENTHESES = DiagnosticFactory0.create(ERROR);
445        DiagnosticFactory0<LeafPsiElement> NON_VARARG_SPREAD = DiagnosticFactory0.create(ERROR);
446    
447        DiagnosticFactory0<KtExpression> MANY_FUNCTION_LITERAL_ARGUMENTS = DiagnosticFactory0.create(ERROR);
448    
449        DiagnosticFactory1<PsiElement, CallableDescriptor> TOO_MANY_ARGUMENTS = DiagnosticFactory1.create(ERROR);
450    
451        DiagnosticFactory1<KtElement, ValueParameterDescriptor> NO_VALUE_FOR_PARAMETER = DiagnosticFactory1.create(ERROR, VALUE_ARGUMENTS);
452    
453        DiagnosticFactory1<KtExpression, KotlinType> MISSING_RECEIVER = DiagnosticFactory1.create(ERROR);
454        DiagnosticFactory0<KtExpression> NO_RECEIVER_ALLOWED = DiagnosticFactory0.create(ERROR);
455    
456        // Call resolution
457    
458        DiagnosticFactory1<KtExpression, String> ILLEGAL_SELECTOR = DiagnosticFactory1.create(ERROR);
459    
460        DiagnosticFactory0<PsiElement> SAFE_CALL_IN_QUALIFIER = DiagnosticFactory0.create(ERROR);
461    
462        DiagnosticFactory2<KtExpression, KtExpression, KotlinType> FUNCTION_EXPECTED = DiagnosticFactory2.create(ERROR);
463        DiagnosticFactory2<KtExpression, KtExpression, Boolean> FUNCTION_CALL_EXPECTED = DiagnosticFactory2.create(ERROR, CALL_EXPRESSION);
464    
465        DiagnosticFactory0<PsiElement> NON_TAIL_RECURSIVE_CALL = DiagnosticFactory0.create(WARNING, CALL_EXPRESSION);
466        DiagnosticFactory0<PsiElement> TAIL_RECURSION_IN_TRY_IS_NOT_SUPPORTED = DiagnosticFactory0.create(WARNING, CALL_EXPRESSION);
467    
468        DiagnosticFactory0<PsiElement> NO_CONSTRUCTOR = DiagnosticFactory0.create(ERROR);
469        DiagnosticFactory0<PsiElement> CREATING_AN_INSTANCE_OF_ABSTRACT_CLASS = DiagnosticFactory0.create(ERROR);
470        DiagnosticFactory0<KtExpression> NOT_A_CLASS = DiagnosticFactory0.create(ERROR);
471    
472        DiagnosticFactory1<PsiElement, Collection<? extends ResolvedCall<?>>> OVERLOAD_RESOLUTION_AMBIGUITY = DiagnosticFactory1.create(ERROR);
473        DiagnosticFactory1<PsiElement, Collection<? extends ResolvedCall<?>>> NONE_APPLICABLE = DiagnosticFactory1.create(ERROR);
474        DiagnosticFactory1<PsiElement, Collection<? extends ResolvedCall<?>>> CANNOT_COMPLETE_RESOLVE = DiagnosticFactory1.create(ERROR);
475        DiagnosticFactory1<PsiElement, Collection<? extends ResolvedCall<?>>> UNRESOLVED_REFERENCE_WRONG_RECEIVER = DiagnosticFactory1.create(ERROR);
476        DiagnosticFactory1<PsiElement, KtExpression> INVOKE_EXTENSION_ON_NOT_EXTENSION_FUNCTION = DiagnosticFactory1.create(ERROR);
477    
478        DiagnosticFactory1<PsiElement, TypeParameterDescriptor> TYPE_PARAMETER_AS_REIFIED = DiagnosticFactory1.create(ERROR);
479        DiagnosticFactory1<PsiElement, KotlinType> REIFIED_TYPE_FORBIDDEN_SUBSTITUTION = DiagnosticFactory1.create(ERROR);
480    
481        // Type inference
482    
483        DiagnosticFactory0<KtParameter> CANNOT_INFER_PARAMETER_TYPE = DiagnosticFactory0.create(ERROR);
484    
485        DiagnosticFactory1<PsiElement, InferenceErrorData> TYPE_INFERENCE_NO_INFORMATION_FOR_PARAMETER = DiagnosticFactory1.create(ERROR);
486        DiagnosticFactory1<PsiElement, InferenceErrorData> TYPE_INFERENCE_CONFLICTING_SUBSTITUTIONS = DiagnosticFactory1.create(ERROR);
487        DiagnosticFactory1<PsiElement, InferenceErrorData> TYPE_INFERENCE_CANNOT_CAPTURE_TYPES = DiagnosticFactory1.create(ERROR);
488        DiagnosticFactory1<PsiElement, InferenceErrorData> TYPE_INFERENCE_PARAMETER_CONSTRAINT_ERROR = DiagnosticFactory1.create(ERROR);
489        DiagnosticFactory0<PsiElement> TYPE_INFERENCE_INCORPORATION_ERROR = DiagnosticFactory0.create(ERROR);
490        DiagnosticFactory1<PsiElement, TypeParameterDescriptor> TYPE_INFERENCE_ONLY_INPUT_TYPES = DiagnosticFactory1.create(ERROR);
491        DiagnosticFactory1<PsiElement, InferenceErrorData> TYPE_INFERENCE_UPPER_BOUND_VIOLATED = DiagnosticFactory1.create(ERROR);
492        DiagnosticFactory2<KtElement, KotlinType, KotlinType> TYPE_INFERENCE_EXPECTED_TYPE_MISMATCH = DiagnosticFactory2.create(ERROR);
493    
494        // Reflection
495    
496        DiagnosticFactory1<KtExpression, CallableMemberDescriptor> EXTENSION_IN_CLASS_REFERENCE_NOT_ALLOWED = DiagnosticFactory1.create(ERROR);
497        DiagnosticFactory0<KtExpression> CALLABLE_REFERENCE_LHS_NOT_A_CLASS = DiagnosticFactory0.create(ERROR);
498        DiagnosticFactory0<KtExpression> CALLABLE_REFERENCE_TO_MEMBER_OR_EXTENSION_WITH_EMPTY_LHS = DiagnosticFactory0.create(ERROR);
499        DiagnosticFactory0<KtExpression> CALLABLE_REFERENCE_TO_OBJECT_MEMBER = DiagnosticFactory0.create(ERROR);
500    
501        DiagnosticFactory0<KtExpression> CLASS_LITERAL_LHS_NOT_A_CLASS = DiagnosticFactory0.create(ERROR);
502        DiagnosticFactory0<KtExpression> ARRAY_CLASS_LITERAL_REQUIRES_ARGUMENT = DiagnosticFactory0.create(ERROR);
503    
504        // Multi-declarations
505    
506        DiagnosticFactory0<KtMultiDeclaration> INITIALIZER_REQUIRED_FOR_MULTIDECLARATION = DiagnosticFactory0.create(ERROR, DEFAULT);
507        DiagnosticFactory2<KtExpression, Name, KotlinType> COMPONENT_FUNCTION_MISSING = DiagnosticFactory2.create(ERROR, DEFAULT);
508        DiagnosticFactory2<KtExpression, Name, Collection<? extends ResolvedCall<?>>> COMPONENT_FUNCTION_AMBIGUITY = DiagnosticFactory2.create(ERROR, DEFAULT);
509        DiagnosticFactory3<KtExpression, Name, KotlinType, KotlinType> COMPONENT_FUNCTION_RETURN_TYPE_MISMATCH = DiagnosticFactory3.create(ERROR, DEFAULT);
510    
511        // Super calls
512    
513        DiagnosticFactory1<KtSuperExpression, String> SUPER_IS_NOT_AN_EXPRESSION = DiagnosticFactory1.create(ERROR);
514        DiagnosticFactory1<KtSuperExpression, String> SUPER_CANT_BE_EXTENSION_RECEIVER = DiagnosticFactory1.create(ERROR);
515        DiagnosticFactory0<KtSuperExpression> SUPER_NOT_AVAILABLE = DiagnosticFactory0.create(ERROR);
516        DiagnosticFactory0<KtSuperExpression> SUPERCLASS_NOT_ACCESSIBLE_FROM_INTERFACE = DiagnosticFactory0.create(ERROR);
517        DiagnosticFactory0<KtSuperExpression> AMBIGUOUS_SUPER = DiagnosticFactory0.create(ERROR);
518        DiagnosticFactory0<KtExpression> ABSTRACT_SUPER_CALL = DiagnosticFactory0.create(ERROR);
519        DiagnosticFactory0<KtTypeReference> NOT_A_SUPERTYPE = DiagnosticFactory0.create(ERROR);
520        DiagnosticFactory0<PsiElement> TYPE_ARGUMENTS_REDUNDANT_IN_SUPER_QUALIFIER = DiagnosticFactory0.create(WARNING);
521    
522        // Conventions
523    
524        DiagnosticFactory0<KtArrayAccessExpression> NO_GET_METHOD = DiagnosticFactory0.create(ERROR, ARRAY_ACCESS);
525        DiagnosticFactory0<KtArrayAccessExpression> NO_SET_METHOD = DiagnosticFactory0.create(ERROR, ARRAY_ACCESS);
526    
527        DiagnosticFactory2<KtUnaryExpression, FunctionDescriptor, String> DEPRECATED_UNARY_PLUS_MINUS = DiagnosticFactory2.create(WARNING);
528    
529        DiagnosticFactory0<KtSimpleNameExpression> INC_DEC_SHOULD_NOT_RETURN_UNIT = DiagnosticFactory0.create(ERROR);
530        DiagnosticFactory2<KtSimpleNameExpression, DeclarationDescriptor, KtSimpleNameExpression> ASSIGNMENT_OPERATOR_SHOULD_RETURN_UNIT =
531                DiagnosticFactory2.create(ERROR);
532        DiagnosticFactory1<PsiElement, Collection<? extends ResolvedCall<?>>>
533                ASSIGN_OPERATOR_AMBIGUITY = DiagnosticFactory1.create(ERROR);
534    
535        DiagnosticFactory0<KtSimpleNameExpression> EQUALS_MISSING = DiagnosticFactory0.create(ERROR);
536        DiagnosticFactory3<KtBinaryExpression, KtSimpleNameExpression, KotlinType, KotlinType> EQUALITY_NOT_APPLICABLE =
537                DiagnosticFactory3.create(ERROR);
538    
539    
540        DiagnosticFactory1<KtExpression, KotlinType> HAS_NEXT_MISSING = DiagnosticFactory1.create(ERROR);
541        DiagnosticFactory1<KtExpression, KotlinType> HAS_NEXT_FUNCTION_AMBIGUITY = DiagnosticFactory1.create(ERROR);
542        DiagnosticFactory1<KtExpression, KotlinType> HAS_NEXT_FUNCTION_NONE_APPLICABLE = DiagnosticFactory1.create(ERROR);
543        DiagnosticFactory1<KtExpression, KotlinType> HAS_NEXT_FUNCTION_TYPE_MISMATCH = DiagnosticFactory1.create(ERROR);
544    
545        DiagnosticFactory1<KtExpression, KotlinType> NEXT_AMBIGUITY = DiagnosticFactory1.create(ERROR);
546        DiagnosticFactory1<KtExpression, KotlinType> NEXT_MISSING = DiagnosticFactory1.create(ERROR);
547        DiagnosticFactory1<KtExpression, KotlinType> NEXT_NONE_APPLICABLE = DiagnosticFactory1.create(ERROR);
548    
549        DiagnosticFactory0<KtExpression> ITERATOR_MISSING = DiagnosticFactory0.create(ERROR);
550        DiagnosticFactory1<PsiElement, Collection<? extends ResolvedCall<?>>> ITERATOR_AMBIGUITY = DiagnosticFactory1.create(ERROR);
551    
552        DiagnosticFactory2<KtExpression, String, KotlinType> DELEGATE_SPECIAL_FUNCTION_MISSING = DiagnosticFactory2.create(ERROR);
553        DiagnosticFactory3<PsiElement, FunctionDescriptor, KotlinType, String> DELEGATE_RESOLVED_TO_DEPRECATED_CONVENTION = DiagnosticFactory3.create(WARNING);
554        DiagnosticFactory2<KtExpression, String, Collection<? extends ResolvedCall<?>>> DELEGATE_SPECIAL_FUNCTION_AMBIGUITY = DiagnosticFactory2.create(ERROR);
555        DiagnosticFactory2<KtExpression, String, Collection<? extends ResolvedCall<?>>> DELEGATE_SPECIAL_FUNCTION_NONE_APPLICABLE = DiagnosticFactory2.create(ERROR);
556        DiagnosticFactory3<KtExpression, String, KotlinType, KotlinType> DELEGATE_SPECIAL_FUNCTION_RETURN_TYPE_MISMATCH = DiagnosticFactory3.create(ERROR);
557        DiagnosticFactory2<KtExpression, String, Collection<? extends ResolvedCall<?>>> DELEGATE_PD_METHOD_NONE_APPLICABLE = DiagnosticFactory2.create(WARNING);
558    
559        DiagnosticFactory1<KtSimpleNameExpression, KotlinType> COMPARE_TO_TYPE_MISMATCH = DiagnosticFactory1.create(ERROR);
560    
561        DiagnosticFactory0<PsiElement> UNDERSCORE_IS_RESERVED = DiagnosticFactory0.create(ERROR);
562        DiagnosticFactory1<PsiElement, String> INVALID_CHARACTERS = DiagnosticFactory1.create(ERROR);
563    
564        DiagnosticFactory0<PsiElement> INAPPLICABLE_OPERATOR_MODIFIER = DiagnosticFactory0.create(WARNING);
565        DiagnosticFactory0<PsiElement> INAPPLICABLE_INFIX_MODIFIER = DiagnosticFactory0.create(WARNING);
566    
567        DiagnosticFactory2<PsiElement, FunctionDescriptor, String> OPERATOR_MODIFIER_REQUIRED = DiagnosticFactory2.create(WARNING);
568        DiagnosticFactory2<KtOperationReferenceExpression, FunctionDescriptor, String> INFIX_MODIFIER_REQUIRED = DiagnosticFactory2.create(WARNING);
569    
570        // Labels
571    
572        DiagnosticFactory0<KtSimpleNameExpression> LABEL_NAME_CLASH = DiagnosticFactory0.create(WARNING);
573        DiagnosticFactory0<KtSimpleNameExpression> AMBIGUOUS_LABEL = DiagnosticFactory0.create(ERROR);
574    
575        DiagnosticFactory0<KtExpressionWithLabel> BREAK_OR_CONTINUE_OUTSIDE_A_LOOP = DiagnosticFactory0.create(ERROR);
576        DiagnosticFactory0<KtExpressionWithLabel> BREAK_OR_CONTINUE_IN_WHEN = DiagnosticFactory0.create(ERROR);
577        DiagnosticFactory0<KtExpressionWithLabel> BREAK_OR_CONTINUE_JUMPS_ACROSS_FUNCTION_BOUNDARY = DiagnosticFactory0.create(ERROR);
578        DiagnosticFactory1<KtExpressionWithLabel, String> NOT_A_LOOP_LABEL = DiagnosticFactory1.create(ERROR);
579        DiagnosticFactory1<KtReturnExpression, String> NOT_A_RETURN_LABEL = DiagnosticFactory1.create(ERROR);
580    
581        // Control flow / Data flow
582    
583        DiagnosticFactory1<KtElement, List<TextRange>> UNREACHABLE_CODE = DiagnosticFactory1.create(
584                WARNING, PositioningStrategies.UNREACHABLE_CODE);
585    
586        DiagnosticFactory0<KtVariableDeclaration> VARIABLE_WITH_NO_TYPE_NO_INITIALIZER = DiagnosticFactory0.create(ERROR, DECLARATION_NAME);
587    
588        DiagnosticFactory1<KtSimpleNameExpression, VariableDescriptor> UNINITIALIZED_VARIABLE = DiagnosticFactory1.create(ERROR);
589        DiagnosticFactory1<KtSimpleNameExpression, ValueParameterDescriptor> UNINITIALIZED_PARAMETER = DiagnosticFactory1.create(ERROR);
590    
591        DiagnosticFactory1<KtNamedDeclaration, VariableDescriptor> UNUSED_VARIABLE = DiagnosticFactory1.create(WARNING, DECLARATION_NAME);
592        DiagnosticFactory1<KtParameter, VariableDescriptor> UNUSED_PARAMETER = DiagnosticFactory1.create(WARNING, DECLARATION_NAME);
593    
594        DiagnosticFactory1<KtNamedDeclaration, VariableDescriptor> ASSIGNED_BUT_NEVER_ACCESSED_VARIABLE =
595                DiagnosticFactory1.create(WARNING, DECLARATION_NAME);
596        DiagnosticFactory1<KtExpression, DeclarationDescriptor> VARIABLE_WITH_REDUNDANT_INITIALIZER = DiagnosticFactory1.create(WARNING);
597        DiagnosticFactory2<KtBinaryExpression, KtElement, DeclarationDescriptor> UNUSED_VALUE = DiagnosticFactory2.create(WARNING, PositioningStrategies.UNUSED_VALUE);
598        DiagnosticFactory1<KtElement, KtElement> UNUSED_CHANGED_VALUE = DiagnosticFactory1.create(WARNING);
599        DiagnosticFactory0<KtElement> UNUSED_EXPRESSION = DiagnosticFactory0.create(WARNING);
600        DiagnosticFactory0<KtFunctionLiteralExpression> UNUSED_FUNCTION_LITERAL = DiagnosticFactory0.create(WARNING);
601    
602        DiagnosticFactory1<KtExpression, DeclarationDescriptor> VAL_REASSIGNMENT = DiagnosticFactory1.create(ERROR);
603        DiagnosticFactory1<KtExpression, DeclarationDescriptor> SETTER_PROJECTED_OUT = DiagnosticFactory1.create(ERROR);
604    
605        DiagnosticFactory1<KtExpression, DeclarationDescriptor> INITIALIZATION_BEFORE_DECLARATION = DiagnosticFactory1.create(ERROR);
606    
607        DiagnosticFactory0<KtExpression> VARIABLE_EXPECTED = DiagnosticFactory0.create(ERROR);
608    
609        DiagnosticFactory2<KtBinaryExpression, KtBinaryExpression, Boolean> SENSELESS_COMPARISON = DiagnosticFactory2.create(WARNING);
610    
611        DiagnosticFactory0<KtElement> SENSELESS_NULL_IN_WHEN = DiagnosticFactory0.create(WARNING);
612    
613        DiagnosticFactory0<KtIfExpression> INVALID_IF_AS_EXPRESSION = DiagnosticFactory0.create(ERROR);
614    
615        // Nullability
616    
617        DiagnosticFactory1<PsiElement, KotlinType> UNSAFE_CALL = DiagnosticFactory1.create(ERROR);
618        DiagnosticFactory3<KtExpression, String, String, String> UNSAFE_INFIX_CALL = DiagnosticFactory3.create(ERROR);
619        DiagnosticFactory1<PsiElement, KotlinType> UNNECESSARY_SAFE_CALL = DiagnosticFactory1.create(WARNING);
620        DiagnosticFactory0<PsiElement> UNEXPECTED_SAFE_CALL = DiagnosticFactory0.create(ERROR);
621        DiagnosticFactory1<PsiElement, KotlinType> UNNECESSARY_NOT_NULL_ASSERTION = DiagnosticFactory1.create(WARNING);
622        DiagnosticFactory0<PsiElement> NOT_NULL_ASSERTION_ON_FUNCTION_LITERAL = DiagnosticFactory0.create(WARNING);
623    
624        DiagnosticFactory1<KtBinaryExpression, KotlinType> USELESS_ELVIS = DiagnosticFactory1.create(WARNING, PositioningStrategies.USELESS_ELVIS);
625        DiagnosticFactory0<PsiElement> USELESS_ELVIS_ON_FUNCTION_LITERAL = DiagnosticFactory0.create(WARNING);
626    
627        // Compile-time values
628    
629        DiagnosticFactory0<KtExpression> DIVISION_BY_ZERO = DiagnosticFactory0.create(WARNING);
630        DiagnosticFactory0<KtExpression> INTEGER_OVERFLOW = DiagnosticFactory0.create(WARNING);
631        DiagnosticFactory0<KtConstantExpression> WRONG_LONG_SUFFIX = DiagnosticFactory0.create(ERROR, LONG_LITERAL_SUFFIX);
632        DiagnosticFactory0<KtConstantExpression> INT_LITERAL_OUT_OF_RANGE = DiagnosticFactory0.create(ERROR);
633        DiagnosticFactory0<KtConstantExpression> FLOAT_LITERAL_OUT_OF_RANGE = DiagnosticFactory0.create(ERROR);
634        DiagnosticFactory2<KtConstantExpression, String, KotlinType> CONSTANT_EXPECTED_TYPE_MISMATCH = DiagnosticFactory2.create(ERROR);
635        DiagnosticFactory0<KtConstantExpression> INCORRECT_CHARACTER_LITERAL = DiagnosticFactory0.create(ERROR);
636        DiagnosticFactory0<KtConstantExpression> EMPTY_CHARACTER_LITERAL = DiagnosticFactory0.create(ERROR);
637        DiagnosticFactory1<KtConstantExpression, KtConstantExpression> TOO_MANY_CHARACTERS_IN_CHARACTER_LITERAL = DiagnosticFactory1.create(ERROR);
638        DiagnosticFactory1<KtElement, KtElement> ILLEGAL_ESCAPE = DiagnosticFactory1.create(ERROR, CUT_CHAR_QUOTES);
639        DiagnosticFactory1<KtConstantExpression, KotlinType> NULL_FOR_NONNULL_TYPE = DiagnosticFactory1.create(ERROR);
640        DiagnosticFactory0<KtEscapeStringTemplateEntry> ILLEGAL_ESCAPE_SEQUENCE = DiagnosticFactory0.create(ERROR);
641    
642        // Casts and is-checks
643    
644        DiagnosticFactory1<KtElement, KotlinType> CANNOT_CHECK_FOR_ERASED = DiagnosticFactory1.create(ERROR);
645        DiagnosticFactory2<KtBinaryExpressionWithTypeRHS, KotlinType, KotlinType> UNCHECKED_CAST = DiagnosticFactory2.create(WARNING);
646    
647        DiagnosticFactory0<KtBinaryExpressionWithTypeRHS> USELESS_CAST = DiagnosticFactory0.create(WARNING, AS_TYPE);
648        DiagnosticFactory0<KtSimpleNameExpression> CAST_NEVER_SUCCEEDS = DiagnosticFactory0.create(WARNING);
649        DiagnosticFactory0<KtTypeReference> DYNAMIC_NOT_ALLOWED = DiagnosticFactory0.create(ERROR);
650        DiagnosticFactory0<KtTypeReference> IS_ENUM_ENTRY = DiagnosticFactory0.create(ERROR);
651    
652        DiagnosticFactory1<KtExpression, KotlinType> IMPLICIT_CAST_TO_UNIT_OR_ANY = DiagnosticFactory1.create(WARNING);
653    
654        DiagnosticFactory2<KtExpression, KotlinType, String> SMARTCAST_IMPOSSIBLE = DiagnosticFactory2.create(ERROR);
655    
656        DiagnosticFactory0<KtNullableType> USELESS_NULLABLE_CHECK = DiagnosticFactory0.create(WARNING, NULLABLE_TYPE);
657    
658        // Properties / locals
659    
660        DiagnosticFactory0<KtTypeReference> LOCAL_EXTENSION_PROPERTY = DiagnosticFactory0.create(ERROR);
661        DiagnosticFactory0<KtPropertyAccessor> LOCAL_VARIABLE_WITH_GETTER = DiagnosticFactory0.create(ERROR);
662        DiagnosticFactory0<KtPropertyAccessor> LOCAL_VARIABLE_WITH_SETTER = DiagnosticFactory0.create(ERROR);
663    
664        DiagnosticFactory3<KtExpression, DeclarationDescriptor, Visibility, DeclarationDescriptor> INVISIBLE_SETTER = DiagnosticFactory3.create(ERROR);
665    
666        DiagnosticFactory1<PsiElement, KtKeywordToken> VAL_OR_VAR_ON_LOOP_PARAMETER = DiagnosticFactory1.create(ERROR);
667        DiagnosticFactory1<PsiElement, KtKeywordToken> VAL_OR_VAR_ON_FUN_PARAMETER = DiagnosticFactory1.create(ERROR);
668        DiagnosticFactory1<PsiElement, KtKeywordToken> VAL_OR_VAR_ON_CATCH_PARAMETER = DiagnosticFactory1.create(ERROR);
669        DiagnosticFactory1<PsiElement, KtKeywordToken> VAL_OR_VAR_ON_SECONDARY_CONSTRUCTOR_PARAMETER = DiagnosticFactory1.create(ERROR);
670    
671        // Backing fields
672    
673        DiagnosticFactory0<KtElement> NO_BACKING_FIELD_ABSTRACT_PROPERTY = DiagnosticFactory0.create(ERROR);
674        DiagnosticFactory0<KtElement> NO_BACKING_FIELD_CUSTOM_ACCESSORS = DiagnosticFactory0.create(ERROR);
675        DiagnosticFactory0<KtElement> INACCESSIBLE_BACKING_FIELD = DiagnosticFactory0.create(ERROR);
676        DiagnosticFactory0<KtElement> NOT_PROPERTY_BACKING_FIELD = DiagnosticFactory0.create(ERROR);
677    
678        // When expressions
679    
680        DiagnosticFactory0<KtWhenCondition> EXPECTED_CONDITION = DiagnosticFactory0.create(ERROR);
681        DiagnosticFactory0<KtWhenEntry> ELSE_MISPLACED_IN_WHEN = DiagnosticFactory0.create(ERROR, ELSE_ENTRY);
682        DiagnosticFactory0<KtWhenExpression> NO_ELSE_IN_WHEN = DiagnosticFactory0.create(ERROR, WHEN_EXPRESSION);
683        DiagnosticFactory0<KtWhenExpression> NON_EXHAUSTIVE_WHEN = DiagnosticFactory0.create(WARNING, WHEN_EXPRESSION);
684    
685        // Type mismatch
686    
687        DiagnosticFactory2<KtExpression, KotlinType, KotlinType> TYPE_MISMATCH = DiagnosticFactory2.create(ERROR);
688        DiagnosticFactory1<KtExpression, KotlinType> RETURN_TYPE_MISMATCH = DiagnosticFactory1.create(ERROR);
689        DiagnosticFactory1<KtExpression, KotlinType> EXPECTED_TYPE_MISMATCH = DiagnosticFactory1.create(ERROR);
690        DiagnosticFactory1<KtBinaryExpression, KotlinType> ASSIGNMENT_TYPE_MISMATCH = DiagnosticFactory1.create(ERROR);
691        DiagnosticFactory2<KtTypeReference, KotlinType, KotlinType> TYPE_MISMATCH_IN_FOR_LOOP = DiagnosticFactory2.create(ERROR);
692        DiagnosticFactory1<KtElement, KotlinType> TYPE_MISMATCH_IN_CONDITION = DiagnosticFactory1.create(ERROR);
693        DiagnosticFactory3<KtExpression, String, KotlinType, KotlinType> RESULT_TYPE_MISMATCH = DiagnosticFactory3.create(ERROR);
694        DiagnosticFactory0<KtWhenConditionInRange> TYPE_MISMATCH_IN_RANGE = DiagnosticFactory0.create(ERROR, WHEN_CONDITION_IN_RANGE);
695    
696        DiagnosticFactory1<KtParameter, KotlinType> EXPECTED_PARAMETER_TYPE_MISMATCH = DiagnosticFactory1.create(ERROR);
697        DiagnosticFactory2<KtFunction, Integer, List<KotlinType>> EXPECTED_PARAMETERS_NUMBER_MISMATCH =
698                DiagnosticFactory2.create(ERROR, FUNCTION_PARAMETERS);
699    
700        DiagnosticFactory2<KtElement, KotlinType, KotlinType> INCOMPATIBLE_TYPES = DiagnosticFactory2.create(ERROR);
701    
702        DiagnosticFactory0<PsiElement> IMPLICIT_NOTHING_RETURN_TYPE = DiagnosticFactory0.create(WARNING);
703    
704        // Context tracking
705    
706        DiagnosticFactory1<KtExpression, KtExpression> EXPRESSION_EXPECTED = DiagnosticFactory1.create(ERROR);
707        DiagnosticFactory0<KtBinaryExpression> ASSIGNMENT_IN_EXPRESSION_CONTEXT = DiagnosticFactory0.create(ERROR);
708        DiagnosticFactory0<KtDeclaration> DECLARATION_IN_ILLEGAL_CONTEXT = DiagnosticFactory0.create(ERROR);
709    
710        DiagnosticFactory0<KtSimpleNameExpression> EXPRESSION_EXPECTED_PACKAGE_FOUND = DiagnosticFactory0.create(ERROR);
711    
712        DiagnosticFactory0<KtReturnExpression> RETURN_NOT_ALLOWED = DiagnosticFactory0.create(ERROR);
713        DiagnosticFactory0<KtReturnExpression> RETURN_IN_FUNCTION_WITH_EXPRESSION_BODY = DiagnosticFactory0.create(ERROR);
714        DiagnosticFactory0<KtDeclarationWithBody>
715                NO_RETURN_IN_FUNCTION_WITH_BLOCK_BODY = DiagnosticFactory0.create(ERROR, DECLARATION_WITH_BODY);
716    
717        DiagnosticFactory0<KtClassInitializer> ANONYMOUS_INITIALIZER_IN_INTERFACE = DiagnosticFactory0.create(ERROR);
718    
719        DiagnosticFactory0<KtThisExpression> NO_THIS = DiagnosticFactory0.create(ERROR);
720        DiagnosticFactory0<KtRootPackageExpression> PACKAGE_IS_NOT_AN_EXPRESSION = DiagnosticFactory0.create(ERROR);
721        DiagnosticFactory1<KtSimpleNameExpression, ClassifierDescriptor> NO_COMPANION_OBJECT = DiagnosticFactory1.create(ERROR);
722        DiagnosticFactory1<KtSimpleNameExpression, TypeParameterDescriptor> TYPE_PARAMETER_IS_NOT_AN_EXPRESSION = DiagnosticFactory1.create(ERROR);
723        DiagnosticFactory1<KtSimpleNameExpression, TypeParameterDescriptor> TYPE_PARAMETER_ON_LHS_OF_DOT = DiagnosticFactory1.create(ERROR);
724        DiagnosticFactory1<KtExpression, ClassDescriptor> NESTED_CLASS_ACCESSED_VIA_INSTANCE_REFERENCE = DiagnosticFactory1.create(ERROR);
725        DiagnosticFactory2<KtExpression, ClassDescriptor, String> NESTED_CLASS_SHOULD_BE_QUALIFIED = DiagnosticFactory2.create(ERROR);
726    
727        DiagnosticFactory1<PsiElement, ClassDescriptor> INACCESSIBLE_OUTER_CLASS_EXPRESSION = DiagnosticFactory1.create(ERROR);
728        DiagnosticFactory0<KtClass> NESTED_CLASS_NOT_ALLOWED = DiagnosticFactory0.create(ERROR, DECLARATION_NAME);
729    
730        //Inline and inlinable parameters
731        DiagnosticFactory2<KtElement, DeclarationDescriptor, DeclarationDescriptor> INVISIBLE_MEMBER_FROM_INLINE = DiagnosticFactory2.create(ERROR, CALL_ELEMENT);
732        DiagnosticFactory3<KtElement, KtElement, DeclarationDescriptor, DeclarationDescriptor> NON_LOCAL_RETURN_NOT_ALLOWED = DiagnosticFactory3.create(ERROR, CALL_ELEMENT);
733        DiagnosticFactory2<KtElement, KtNamedDeclaration, DeclarationDescriptor> NOT_YET_SUPPORTED_IN_INLINE = DiagnosticFactory2.create(ERROR);
734        DiagnosticFactory1<PsiElement, DeclarationDescriptor> NOTHING_TO_INLINE = DiagnosticFactory1.create(WARNING);
735        DiagnosticFactory2<KtElement, KtExpression, DeclarationDescriptor> USAGE_IS_NOT_INLINABLE = DiagnosticFactory2.create(ERROR);
736        DiagnosticFactory2<KtElement, KtElement, DeclarationDescriptor> NULLABLE_INLINE_PARAMETER = DiagnosticFactory2.create(ERROR);
737        DiagnosticFactory2<KtElement, KtElement, DeclarationDescriptor> RECURSION_IN_INLINE = DiagnosticFactory2.create(ERROR);
738        DiagnosticFactory0<KtElement> DECLARATION_CANT_BE_INLINED = DiagnosticFactory0.create(ERROR);
739        DiagnosticFactory1<PsiElement, CallableDescriptor> INLINE_CALL_CYCLE = DiagnosticFactory1.create(ERROR, DEFAULT);
740        DiagnosticFactory0<PsiElement> NON_LOCAL_RETURN_IN_DISABLED_INLINE = DiagnosticFactory0.create(ERROR);
741    
742    
743        // Error sets
744        ImmutableSet<? extends DiagnosticFactory<?>> UNRESOLVED_REFERENCE_DIAGNOSTICS = ImmutableSet.of(
745                UNRESOLVED_REFERENCE, NAMED_PARAMETER_NOT_FOUND, UNRESOLVED_REFERENCE_WRONG_RECEIVER);
746        ImmutableSet<? extends DiagnosticFactory<?>> INVISIBLE_REFERENCE_DIAGNOSTICS = ImmutableSet.of(
747                INVISIBLE_MEMBER, INVISIBLE_MEMBER_FROM_INLINE, INVISIBLE_REFERENCE, INVISIBLE_SETTER);
748        ImmutableSet<? extends DiagnosticFactory<?>> UNUSED_ELEMENT_DIAGNOSTICS = ImmutableSet.of(
749                UNUSED_VARIABLE, UNUSED_PARAMETER, ASSIGNED_BUT_NEVER_ACCESSED_VARIABLE, VARIABLE_WITH_REDUNDANT_INITIALIZER,
750                UNUSED_FUNCTION_LITERAL, USELESS_CAST, UNUSED_VALUE, USELESS_ELVIS);
751        ImmutableSet<? extends DiagnosticFactory<?>> TYPE_INFERENCE_ERRORS = ImmutableSet.of(
752                TYPE_INFERENCE_NO_INFORMATION_FOR_PARAMETER, TYPE_INFERENCE_CONFLICTING_SUBSTITUTIONS,
753                TYPE_INFERENCE_PARAMETER_CONSTRAINT_ERROR,
754                TYPE_INFERENCE_UPPER_BOUND_VIOLATED, TYPE_INFERENCE_EXPECTED_TYPE_MISMATCH);
755        ImmutableSet<? extends DiagnosticFactory<?>> MUST_BE_INITIALIZED_DIAGNOSTICS = ImmutableSet.of(
756                MUST_BE_INITIALIZED, MUST_BE_INITIALIZED_OR_BE_ABSTRACT
757        );
758    
759        ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
760    
761        // This field is needed to make the Initializer class load (interfaces cannot have static initializers)
762    
763        ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
764        @SuppressWarnings("UnusedDeclaration")
765        Initializer __initializer = Initializer.INSTANCE;
766    
767        class Initializer {
768            static {
769                initializeFactoryNames(Errors.class);
770            }
771    
772            public static void initializeFactoryNames(@NotNull Class<?> aClass) {
773                for (Field field : aClass.getFields()) {
774                    if (Modifier.isStatic(field.getModifiers())) {
775                        try {
776                            Object value = field.get(null);
777                            if (value instanceof DiagnosticFactory) {
778                                DiagnosticFactory<?> factory = (DiagnosticFactory<?>)value;
779                                factory.setName(field.getName());
780                            }
781                        }
782                        catch (IllegalAccessException e) {
783                            throw new IllegalStateException(e);
784                        }
785                    }
786                }
787            }
788    
789            private static final Initializer INSTANCE = new Initializer();
790    
791            private Initializer() {
792            }
793        }
794    }