001    /*
002     * Copyright 2010-2014 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.JetModifierKeywordToken;
031    import org.jetbrains.jet.lexer.JetTokens;
032    
033    import java.lang.reflect.Field;
034    import java.lang.reflect.Modifier;
035    import java.util.Collection;
036    import java.util.List;
037    
038    import static org.jetbrains.jet.lang.diagnostics.PositioningStrategies.*;
039    import static org.jetbrains.jet.lang.diagnostics.Severity.ERROR;
040    import static org.jetbrains.jet.lang.diagnostics.Severity.WARNING;
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<PsiElement, String> UNSUPPORTED = DiagnosticFactory1.create(ERROR);
054    
055        ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
056    
057        // Generic errors/warnings: applicable in many contexts
058    
059        ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
060    
061        DiagnosticFactory1<PsiElement, String> REDECLARATION = DiagnosticFactory1.create(ERROR, FOR_REDECLARATION);
062    
063        DiagnosticFactory1<JetReferenceExpression, JetReferenceExpression> UNRESOLVED_REFERENCE =
064                DiagnosticFactory1.create(ERROR, FOR_UNRESOLVED_REFERENCE);
065    
066        //Elements with "INVISIBLE_REFERENCE" error are marked as unresolved, unlike elements with "INVISIBLE_MEMBER" error
067        //"INVISIBLE_REFERENCE" is used for invisible classes references and references in import
068        DiagnosticFactory3<JetSimpleNameExpression, DeclarationDescriptor, Visibility, DeclarationDescriptor> INVISIBLE_REFERENCE =
069                DiagnosticFactory3.create(ERROR);
070        DiagnosticFactory3<PsiElement, DeclarationDescriptor, Visibility, DeclarationDescriptor> INVISIBLE_MEMBER = DiagnosticFactory3.create(ERROR, CALL_ELEMENT);
071    
072        DiagnosticFactory1<JetElement, Collection<ClassDescriptor>> PLATFORM_CLASS_MAPPED_TO_KOTLIN = DiagnosticFactory1.create(WARNING);
073    
074        ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
075    
076        // Errors/warnings in types
077        // Note: class/trait declaration is NOT a type. A type is something that may be written on the right-hand side of ":"
078    
079        ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
080    
081        DiagnosticFactory0<JetTypeProjection> PROJECTION_ON_NON_CLASS_TYPE_ARGUMENT = DiagnosticFactory0.create(ERROR, VARIANCE_IN_PROJECTION);
082        DiagnosticFactory2<JetTypeReference, JetType, JetType> UPPER_BOUND_VIOLATED = DiagnosticFactory2.create(ERROR);
083        DiagnosticFactory0<JetNullableType> REDUNDANT_NULLABLE = DiagnosticFactory0.create(WARNING, NULLABLE_TYPE);
084        DiagnosticFactory1<JetNullableType, JetType> BASE_WITH_NULLABLE_UPPER_BOUND = DiagnosticFactory1.create(WARNING, NULLABLE_TYPE);
085        DiagnosticFactory1<JetElement, Integer> WRONG_NUMBER_OF_TYPE_ARGUMENTS = DiagnosticFactory1.create(ERROR);
086        DiagnosticFactory2<JetTypeReference, Integer, String> NO_TYPE_ARGUMENTS_ON_RHS = DiagnosticFactory2.create(ERROR);
087        DiagnosticFactory1<JetTypeProjection, ClassifierDescriptor> CONFLICTING_PROJECTION = DiagnosticFactory1.create(ERROR, VARIANCE_IN_PROJECTION);
088        DiagnosticFactory1<JetTypeProjection, ClassifierDescriptor> REDUNDANT_PROJECTION = DiagnosticFactory1.create(WARNING, VARIANCE_IN_PROJECTION);
089    
090        ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
091    
092        // Errors in declarations
093    
094        ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
095    
096        // Imports
097    
098        DiagnosticFactory1<JetSimpleNameExpression, DeclarationDescriptor> CANNOT_IMPORT_FROM_ELEMENT = DiagnosticFactory1.create(ERROR);
099        DiagnosticFactory1<JetSimpleNameExpression, DeclarationDescriptor> CANNOT_BE_IMPORTED = DiagnosticFactory1.create(ERROR);
100    
101        DiagnosticFactory0<JetExpression> USELESS_HIDDEN_IMPORT = DiagnosticFactory0.create(WARNING);
102    
103        DiagnosticFactory0<JetExpression> USELESS_SIMPLE_IMPORT = DiagnosticFactory0.create(WARNING);
104    
105        // Modifiers
106    
107        DiagnosticFactory1<PsiElement, Collection<JetModifierKeywordToken>> INCOMPATIBLE_MODIFIERS = DiagnosticFactory1.create(ERROR);
108        DiagnosticFactory1<PsiElement, JetModifierKeywordToken> ILLEGAL_MODIFIER = DiagnosticFactory1.create(ERROR);
109        DiagnosticFactory2<PsiElement, JetModifierKeywordToken, JetModifierKeywordToken> REDUNDANT_MODIFIER = DiagnosticFactory2.create(Severity.WARNING);
110    
111        // Annotations
112    
113        DiagnosticFactory0<JetDelegationSpecifierList> SUPERTYPES_FOR_ANNOTATION_CLASS = DiagnosticFactory0.create(ERROR);
114        DiagnosticFactory0<JetParameter> MISSING_VAL_ON_ANNOTATION_PARAMETER = DiagnosticFactory0.create(WARNING);
115        DiagnosticFactory0<JetCallExpression> ANNOTATION_CLASS_CONSTRUCTOR_CALL = DiagnosticFactory0.create(ERROR);
116        DiagnosticFactory1<JetAnnotationEntry, DeclarationDescriptor> NOT_AN_ANNOTATION_CLASS = DiagnosticFactory1.create(ERROR);
117        DiagnosticFactory0<PsiElement> ANNOTATION_CLASS_WITH_BODY = DiagnosticFactory0.create(ERROR);
118        DiagnosticFactory0<JetTypeReference> INVALID_TYPE_OF_ANNOTATION_MEMBER = DiagnosticFactory0.create(ERROR);
119        DiagnosticFactory0<JetTypeReference> NULLABLE_TYPE_OF_ANNOTATION_MEMBER = DiagnosticFactory0.create(ERROR);
120        DiagnosticFactory0<JetModifierListOwner> ILLEGAL_ANNOTATION_KEYWORD = DiagnosticFactory0
121                .create(ERROR, modifierSetPosition(JetTokens.ANNOTATION_KEYWORD));
122        DiagnosticFactory0<JetExpression> ANNOTATION_PARAMETER_MUST_BE_CONST = DiagnosticFactory0.create(ERROR);
123        DiagnosticFactory0<JetExpression> ANNOTATION_PARAMETER_MUST_BE_CLASS_LITERAL = DiagnosticFactory0.create(ERROR);
124        DiagnosticFactory0<JetExpression> ANNOTATION_PARAMETER_MUST_BE_ENUM_CONST = DiagnosticFactory0.create(ERROR);
125    
126        // Classes and traits
127    
128        DiagnosticFactory0<JetTypeProjection> PROJECTION_IN_IMMEDIATE_ARGUMENT_TO_SUPERTYPE =
129                DiagnosticFactory0.create(ERROR, VARIANCE_IN_PROJECTION);
130    
131        DiagnosticFactory0<PsiElement> CYCLIC_INHERITANCE_HIERARCHY = DiagnosticFactory0.create(ERROR);
132    
133        DiagnosticFactory0<JetDelegatorToSuperClass> SUPERTYPE_NOT_INITIALIZED = DiagnosticFactory0.create(ERROR);
134    
135        DiagnosticFactory0<JetTypeReference> DELEGATION_NOT_TO_TRAIT = DiagnosticFactory0.create(ERROR);
136        DiagnosticFactory0<JetTypeReference> SUPERTYPE_NOT_A_CLASS_OR_TRAIT = DiagnosticFactory0.create(ERROR);
137    
138        DiagnosticFactory0<PsiElement> NO_GENERICS_IN_SUPERTYPE_SPECIFIER = DiagnosticFactory0.create(ERROR);
139    
140        DiagnosticFactory0<JetTypeReference> MANY_CLASSES_IN_SUPERTYPE_LIST = DiagnosticFactory0.create(ERROR);
141        DiagnosticFactory0<JetTypeReference> SUPERTYPE_APPEARS_TWICE = DiagnosticFactory0.create(ERROR);
142        DiagnosticFactory3<JetDelegationSpecifierList, TypeParameterDescriptor, ClassDescriptor, Collection<JetType>>
143                INCONSISTENT_TYPE_PARAMETER_VALUES = DiagnosticFactory3.create(ERROR);
144    
145    
146        DiagnosticFactory0<JetTypeReference> FINAL_SUPERTYPE = DiagnosticFactory0.create(ERROR);
147        DiagnosticFactory0<JetTypeReference> SINGLETON_IN_SUPERTYPE = DiagnosticFactory0.create(ERROR);
148        DiagnosticFactory0<JetNullableType> NULLABLE_SUPERTYPE = DiagnosticFactory0.create(ERROR, NULLABLE_TYPE);
149    
150        // Trait-specific
151    
152        DiagnosticFactory0<JetModifierListOwner> ABSTRACT_MODIFIER_IN_TRAIT = DiagnosticFactory0
153                .create(WARNING, ABSTRACT_MODIFIER);
154        DiagnosticFactory0<JetModifierListOwner> OPEN_MODIFIER_IN_TRAIT = DiagnosticFactory0
155                .create(WARNING, modifierSetPosition(JetTokens.OPEN_KEYWORD));
156        DiagnosticFactory0<PsiElement> TRAIT_CAN_NOT_BE_FINAL = DiagnosticFactory0.create(ERROR);
157    
158        DiagnosticFactory0<PsiElement> CONSTRUCTOR_IN_TRAIT = DiagnosticFactory0.create(ERROR);
159    
160        DiagnosticFactory0<PsiElement> SUPERTYPE_INITIALIZED_IN_TRAIT = DiagnosticFactory0.create(ERROR);
161    
162        DiagnosticFactory0<JetDelegatorByExpressionSpecifier> DELEGATION_IN_TRAIT = DiagnosticFactory0.create(ERROR);
163    
164        // Enum-specific
165    
166        DiagnosticFactory0<JetModifierListOwner> ILLEGAL_ENUM_ANNOTATION = DiagnosticFactory0
167                .create(ERROR, modifierSetPosition(JetTokens.ENUM_KEYWORD));
168    
169        DiagnosticFactory0<JetModifierListOwner> OPEN_MODIFIER_IN_ENUM = DiagnosticFactory0
170                .create(ERROR, modifierSetPosition(JetTokens.OPEN_KEYWORD));
171    
172        DiagnosticFactory0<PsiElement> CLASS_IN_SUPERTYPE_FOR_ENUM = DiagnosticFactory0.create(ERROR);
173    
174        DiagnosticFactory1<JetClass, ClassDescriptor> ENUM_ENTRY_SHOULD_BE_INITIALIZED = DiagnosticFactory1.create(ERROR, NAME_IDENTIFIER);
175        DiagnosticFactory1<JetTypeReference, ClassDescriptor> ENUM_ENTRY_ILLEGAL_TYPE = DiagnosticFactory1.create(ERROR);
176    
177        // Class objects
178    
179        DiagnosticFactory0<JetClassObject> MANY_CLASS_OBJECTS = DiagnosticFactory0.create(ERROR);
180        DiagnosticFactory0<JetClassObject> CLASS_OBJECT_NOT_ALLOWED = DiagnosticFactory0.create(ERROR);
181    
182        // Type parameter declarations
183    
184        DiagnosticFactory1<JetTypeReference, JetType> FINAL_UPPER_BOUND = DiagnosticFactory1.create(WARNING);
185        DiagnosticFactory1<JetTypeReference, JetType> FINAL_CLASS_OBJECT_UPPER_BOUND = DiagnosticFactory1.create(ERROR);
186    
187        DiagnosticFactory1<PsiNameIdentifierOwner, TypeParameterDescriptor> CONFLICTING_UPPER_BOUNDS =
188                DiagnosticFactory1.create(ERROR, NAME_IDENTIFIER);
189        DiagnosticFactory1<PsiNameIdentifierOwner, TypeParameterDescriptor> CONFLICTING_CLASS_OBJECT_UPPER_BOUNDS
190                = DiagnosticFactory1.create(ERROR, NAME_IDENTIFIER);
191    
192        DiagnosticFactory2<JetSimpleNameExpression, JetTypeConstraint, JetTypeParameterListOwner> NAME_IN_CONSTRAINT_IS_NOT_A_TYPE_PARAMETER =
193                DiagnosticFactory2.create(ERROR);
194    
195        DiagnosticFactory0<JetTypeParameter>
196                VARIANCE_ON_TYPE_PARAMETER_OF_FUNCTION_OR_PROPERTY = DiagnosticFactory0.create(ERROR, VARIANCE_MODIFIER);
197    
198        // Members
199    
200        DiagnosticFactory0<PsiElement> PACKAGE_MEMBER_CANNOT_BE_PROTECTED = DiagnosticFactory0.create(ERROR);
201    
202        DiagnosticFactory0<JetNamedDeclaration> PUBLIC_MEMBER_SHOULD_SPECIFY_TYPE = DiagnosticFactory0.create(ERROR, NAMED_ELEMENT);
203    
204        DiagnosticFactory2<JetDeclaration, CallableMemberDescriptor, String> CONFLICTING_OVERLOADS = DiagnosticFactory2.create(ERROR, DECLARATION);
205    
206        DiagnosticFactory0<JetNamedDeclaration> NON_FINAL_MEMBER_IN_FINAL_CLASS = DiagnosticFactory0.create(WARNING, modifierSetPosition(
207                JetTokens.OPEN_KEYWORD));
208    
209        DiagnosticFactory1<JetModifierListOwner, CallableMemberDescriptor> NOTHING_TO_OVERRIDE = DiagnosticFactory1.create(ERROR, OVERRIDE_MODIFIER);
210    
211        DiagnosticFactory3<PsiNameIdentifierOwner, CallableMemberDescriptor, CallableMemberDescriptor, DeclarationDescriptor> VIRTUAL_MEMBER_HIDDEN =
212                DiagnosticFactory3.create(ERROR, NAMED_ELEMENT);
213    
214        DiagnosticFactory2<JetModifierListOwner, CallableMemberDescriptor, CallableDescriptor> CANNOT_OVERRIDE_INVISIBLE_MEMBER =
215                DiagnosticFactory2.create(ERROR, OVERRIDE_MODIFIER);
216    
217        DiagnosticFactory2<JetAnnotationEntry, CallableMemberDescriptor, DeclarationDescriptor> DATA_CLASS_OVERRIDE_CONFLICT =
218                DiagnosticFactory2.create(ERROR);
219    
220        DiagnosticFactory1<JetDeclaration, CallableMemberDescriptor> CANNOT_INFER_VISIBILITY = DiagnosticFactory1.create(ERROR, DECLARATION);
221    
222        DiagnosticFactory2<JetNamedDeclaration, CallableMemberDescriptor, DeclarationDescriptor> OVERRIDING_FINAL_MEMBER =
223                DiagnosticFactory2.create(ERROR, OVERRIDE_MODIFIER);
224    
225        DiagnosticFactory3<JetModifierListOwner, Visibility, CallableMemberDescriptor, DeclarationDescriptor> CANNOT_WEAKEN_ACCESS_PRIVILEGE =
226                DiagnosticFactory3.create(ERROR, VISIBILITY_MODIFIER);
227        DiagnosticFactory3<JetModifierListOwner, Visibility, CallableMemberDescriptor, DeclarationDescriptor> CANNOT_CHANGE_ACCESS_PRIVILEGE =
228                DiagnosticFactory3.create(ERROR, VISIBILITY_MODIFIER);
229        DiagnosticFactory2<JetNamedDeclaration, CallableMemberDescriptor, CallableMemberDescriptor> RETURN_TYPE_MISMATCH_ON_OVERRIDE =
230                DiagnosticFactory2.create(ERROR, DECLARATION_RETURN_TYPE);
231        DiagnosticFactory2<JetNamedDeclaration, CallableMemberDescriptor, CallableMemberDescriptor> PROPERTY_TYPE_MISMATCH_ON_OVERRIDE =
232                DiagnosticFactory2.create(ERROR, DECLARATION_RETURN_TYPE);
233    
234        DiagnosticFactory2<JetClassOrObject, JetClassOrObject, CallableMemberDescriptor> ABSTRACT_MEMBER_NOT_IMPLEMENTED =
235                DiagnosticFactory2.create(ERROR, NAME_IDENTIFIER);
236        DiagnosticFactory2<JetClassOrObject, JetClassOrObject, CallableMemberDescriptor> MANY_IMPL_MEMBER_NOT_IMPLEMENTED =
237                DiagnosticFactory2.create(ERROR, NAME_IDENTIFIER);
238    
239        DiagnosticFactory1<JetNamedDeclaration, Collection<JetType>> AMBIGUOUS_ANONYMOUS_TYPE_INFERRED = DiagnosticFactory1.create(ERROR, NAMED_ELEMENT);
240    
241        // Property-specific
242    
243        DiagnosticFactory2<JetProperty, PropertyDescriptor, PropertyDescriptor> VAR_OVERRIDDEN_BY_VAL =
244                DiagnosticFactory2.create(ERROR, VAL_OR_VAR_NODE);
245    
246        DiagnosticFactory0<PsiElement> REDUNDANT_MODIFIER_IN_GETTER = DiagnosticFactory0.create(WARNING);
247        DiagnosticFactory0<PsiElement> GETTER_VISIBILITY_DIFFERS_FROM_PROPERTY_VISIBILITY = DiagnosticFactory0.create(ERROR);
248        DiagnosticFactory2<JetTypeReference, JetType, JetType> WRONG_GETTER_RETURN_TYPE = DiagnosticFactory2.create(ERROR);
249    
250        DiagnosticFactory0<JetModifierListOwner>
251                ABSTRACT_PROPERTY_IN_PRIMARY_CONSTRUCTOR_PARAMETERS = DiagnosticFactory0.create(ERROR, ABSTRACT_MODIFIER);
252        DiagnosticFactory0<JetExpression> ABSTRACT_PROPERTY_WITH_INITIALIZER = DiagnosticFactory0.create(ERROR);
253        DiagnosticFactory0<JetPropertyAccessor> ABSTRACT_PROPERTY_WITH_GETTER = DiagnosticFactory0.create(ERROR);
254        DiagnosticFactory0<JetPropertyAccessor> ABSTRACT_PROPERTY_WITH_SETTER = DiagnosticFactory0.create(ERROR);
255    
256        DiagnosticFactory0<JetPropertyDelegate> ABSTRACT_DELEGATED_PROPERTY = DiagnosticFactory0.create(ERROR);
257        DiagnosticFactory0<JetPropertyAccessor> ACCESSOR_FOR_DELEGATED_PROPERTY = DiagnosticFactory0.create(ERROR);
258        DiagnosticFactory0<JetPropertyDelegate> DELEGATED_PROPERTY_IN_TRAIT = DiagnosticFactory0.create(ERROR);
259        DiagnosticFactory0<JetPropertyDelegate> LOCAL_VARIABLE_WITH_DELEGATE = DiagnosticFactory0.create(ERROR);
260    
261        DiagnosticFactory0<JetProperty> PROPERTY_WITH_NO_TYPE_NO_INITIALIZER = DiagnosticFactory0.create(ERROR, NAMED_ELEMENT);
262    
263        DiagnosticFactory0<JetProperty> MUST_BE_INITIALIZED = DiagnosticFactory0.create(ERROR, NAMED_ELEMENT);
264        DiagnosticFactory0<JetProperty> MUST_BE_INITIALIZED_OR_BE_ABSTRACT = DiagnosticFactory0.create(ERROR, NAMED_ELEMENT);
265    
266        DiagnosticFactory0<JetExpression> PROPERTY_INITIALIZER_NO_BACKING_FIELD = DiagnosticFactory0.create(ERROR);
267        DiagnosticFactory0<JetExpression> PROPERTY_INITIALIZER_IN_TRAIT = DiagnosticFactory0.create(ERROR);
268        DiagnosticFactory0<JetProperty> FINAL_PROPERTY_IN_TRAIT = DiagnosticFactory0.create(ERROR, FINAL_MODIFIER);
269        DiagnosticFactory0<JetProperty> BACKING_FIELD_IN_TRAIT = DiagnosticFactory0.create(ERROR, NAMED_ELEMENT);
270    
271        DiagnosticFactory2<JetModifierListOwner, String, ClassDescriptor> ABSTRACT_PROPERTY_IN_NON_ABSTRACT_CLASS = DiagnosticFactory2.create(ERROR, ABSTRACT_MODIFIER);
272    
273        DiagnosticFactory0<JetPropertyAccessor> VAL_WITH_SETTER = DiagnosticFactory0.create(ERROR);
274    
275        DiagnosticFactory0<JetExpression> SETTER_PARAMETER_WITH_DEFAULT_VALUE = DiagnosticFactory0.create(ERROR);
276    
277        DiagnosticFactory2<JetTypeReference, JetType, JetType> WRONG_SETTER_PARAMETER_TYPE = DiagnosticFactory2.create(ERROR);
278    
279        // Function-specific
280    
281        DiagnosticFactory2<JetFunction, String, ClassDescriptor> ABSTRACT_FUNCTION_IN_NON_ABSTRACT_CLASS = DiagnosticFactory2.create(ERROR, ABSTRACT_MODIFIER);
282    
283        DiagnosticFactory1<JetFunction, SimpleFunctionDescriptor> ABSTRACT_FUNCTION_WITH_BODY = DiagnosticFactory1.create(ERROR, ABSTRACT_MODIFIER);
284        DiagnosticFactory1<JetFunction, SimpleFunctionDescriptor> NON_ABSTRACT_FUNCTION_WITH_NO_BODY = DiagnosticFactory1.create(ERROR, NAMED_ELEMENT);
285        DiagnosticFactory1<JetFunction, SimpleFunctionDescriptor> FINAL_FUNCTION_WITH_NO_BODY = DiagnosticFactory1.create(ERROR, FINAL_MODIFIER);
286    
287        DiagnosticFactory1<JetFunction, SimpleFunctionDescriptor> NON_MEMBER_FUNCTION_NO_BODY = DiagnosticFactory1.create(ERROR, NAMED_ELEMENT);
288    
289        DiagnosticFactory0<JetParameter> VALUE_PARAMETER_WITH_NO_TYPE_ANNOTATION = DiagnosticFactory0.create(ERROR);
290    
291        DiagnosticFactory0<JetNamedFunction> NO_TAIL_CALLS_FOUND = DiagnosticFactory0.create(WARNING, NAMED_ELEMENT);
292    
293        // Named parameters
294    
295        DiagnosticFactory0<JetParameter> DEFAULT_VALUE_NOT_ALLOWED_IN_OVERRIDE = DiagnosticFactory0.create(ERROR, PARAMETER_DEFAULT_VALUE);
296    
297        DiagnosticFactory1<JetParameter, ValueParameterDescriptor> MULTIPLE_DEFAULTS_INHERITED_FROM_SUPERTYPES = DiagnosticFactory1.create(ERROR);
298    
299        DiagnosticFactory1<JetClassOrObject, ValueParameterDescriptor> MULTIPLE_DEFAULTS_INHERITED_FROM_SUPERTYPES_WHEN_NO_EXPLICIT_OVERRIDE =
300                DiagnosticFactory1.create(ERROR, NAME_IDENTIFIER);
301    
302        DiagnosticFactory2<JetParameter, ClassDescriptor, ValueParameterDescriptor> PARAMETER_NAME_CHANGED_ON_OVERRIDE =
303                DiagnosticFactory2.create(WARNING, NAME_IDENTIFIER);
304    
305        DiagnosticFactory2<JetClassOrObject, Collection<? extends CallableMemberDescriptor>, Integer> DIFFERENT_NAMES_FOR_THE_SAME_PARAMETER_IN_SUPERTYPES =
306                DiagnosticFactory2.create(WARNING, NAME_IDENTIFIER);
307    
308        ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
309    
310        // Errors/warnings inside code blocks
311    
312        ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
313    
314        // General
315    
316        DiagnosticFactory1<PsiElement, String> NAME_SHADOWING = DiagnosticFactory1.create(WARNING, PositioningStrategies.FOR_REDECLARATION);
317    
318        DiagnosticFactory0<JetExpression> TYPECHECKER_HAS_RUN_INTO_RECURSIVE_PROBLEM = DiagnosticFactory0.create(ERROR);
319    
320        // Checking call arguments
321    
322        DiagnosticFactory0<PsiElement> MIXING_NAMED_AND_POSITIONED_ARGUMENTS = DiagnosticFactory0.create(ERROR);
323        DiagnosticFactory0<JetReferenceExpression> ARGUMENT_PASSED_TWICE = DiagnosticFactory0.create(ERROR);
324        DiagnosticFactory1<JetReferenceExpression, JetReferenceExpression> NAMED_PARAMETER_NOT_FOUND =
325                DiagnosticFactory1.create(ERROR, FOR_UNRESOLVED_REFERENCE);
326        DiagnosticFactory0<PsiElement> NAMED_ARGUMENTS_NOT_ALLOWED = DiagnosticFactory0.create(ERROR);
327    
328        DiagnosticFactory0<JetExpression> VARARG_OUTSIDE_PARENTHESES = DiagnosticFactory0.create(ERROR);
329        DiagnosticFactory0<LeafPsiElement> NON_VARARG_SPREAD = DiagnosticFactory0.create(ERROR);
330    
331        DiagnosticFactory0<JetExpression> MANY_FUNCTION_LITERAL_ARGUMENTS = DiagnosticFactory0.create(ERROR);
332    
333        DiagnosticFactory1<PsiElement, CallableDescriptor> TOO_MANY_ARGUMENTS = DiagnosticFactory1.create(ERROR);
334    
335        DiagnosticFactory1<JetElement, ValueParameterDescriptor> NO_VALUE_FOR_PARAMETER = DiagnosticFactory1.create(ERROR, VALUE_ARGUMENTS);
336    
337        DiagnosticFactory1<JetExpression, JetType> MISSING_RECEIVER = DiagnosticFactory1.create(ERROR);
338        DiagnosticFactory0<JetExpression> NO_RECEIVER_ADMITTED = DiagnosticFactory0.create(ERROR);
339    
340        // Call resolution
341    
342        DiagnosticFactory1<JetExpression, String> ILLEGAL_SELECTOR = DiagnosticFactory1.create(ERROR);
343    
344        DiagnosticFactory2<JetExpression, JetExpression, JetType> FUNCTION_EXPECTED = DiagnosticFactory2.create(ERROR);
345        DiagnosticFactory2<JetExpression, JetExpression, Boolean> FUNCTION_CALL_EXPECTED = DiagnosticFactory2.create(ERROR, CALL_EXPRESSION);
346    
347        DiagnosticFactory0<PsiElement> NON_TAIL_RECURSIVE_CALL = DiagnosticFactory0.create(WARNING, CALL_EXPRESSION);
348        DiagnosticFactory0<PsiElement> TAIL_RECURSION_IN_TRY_IS_NOT_SUPPORTED = DiagnosticFactory0.create(WARNING, CALL_EXPRESSION);
349    
350        DiagnosticFactory0<PsiElement> NO_CONSTRUCTOR = DiagnosticFactory0.create(ERROR);
351        DiagnosticFactory0<PsiElement> CREATING_AN_INSTANCE_OF_ABSTRACT_CLASS = DiagnosticFactory0.create(ERROR);
352        DiagnosticFactory0<JetExpression> NOT_A_CLASS = DiagnosticFactory0.create(ERROR);
353    
354        DiagnosticFactory1<PsiElement, Collection<? extends ResolvedCall<?>>> OVERLOAD_RESOLUTION_AMBIGUITY = DiagnosticFactory1.create(ERROR);
355        DiagnosticFactory1<PsiElement, Collection<? extends ResolvedCall<?>>> NONE_APPLICABLE = DiagnosticFactory1.create(ERROR);
356        DiagnosticFactory1<PsiElement, Collection<? extends ResolvedCall<?>>> CANNOT_COMPLETE_RESOLVE = DiagnosticFactory1.create(ERROR);
357        DiagnosticFactory1<PsiElement, Collection<? extends ResolvedCall<?>>> UNRESOLVED_REFERENCE_WRONG_RECEIVER = DiagnosticFactory1.create(ERROR);
358    
359        DiagnosticFactory0<JetExpression> DANGLING_FUNCTION_LITERAL_ARGUMENT_SUSPECTED = DiagnosticFactory0.create(WARNING);
360    
361        DiagnosticFactory1<PsiElement, TypeParameterDescriptor> TYPE_PARAMETER_AS_REIFIED = DiagnosticFactory1.create(ERROR);
362    
363        // Type inference
364    
365        DiagnosticFactory0<JetParameter> CANNOT_INFER_PARAMETER_TYPE = DiagnosticFactory0.create(ERROR);
366    
367        DiagnosticFactory1<PsiElement, InferenceErrorData> TYPE_INFERENCE_NO_INFORMATION_FOR_PARAMETER = DiagnosticFactory1.create(ERROR);
368        DiagnosticFactory1<PsiElement, InferenceErrorData> TYPE_INFERENCE_CONFLICTING_SUBSTITUTIONS = DiagnosticFactory1.create(ERROR);
369        DiagnosticFactory1<PsiElement, InferenceErrorData> TYPE_INFERENCE_TYPE_CONSTRUCTOR_MISMATCH = DiagnosticFactory1.create(ERROR);
370        DiagnosticFactory1<PsiElement, InferenceErrorData> TYPE_INFERENCE_UPPER_BOUND_VIOLATED = DiagnosticFactory1.create(ERROR);
371        DiagnosticFactory2<JetExpression, JetType, JetType> TYPE_INFERENCE_EXPECTED_TYPE_MISMATCH = DiagnosticFactory2.create(ERROR);
372    
373        // Reflection
374    
375        DiagnosticFactory0<PsiElement> REFLECTION_TYPES_NOT_LOADED = DiagnosticFactory0.create(ERROR);
376    
377        DiagnosticFactory1<JetExpression, CallableMemberDescriptor> EXTENSION_IN_CLASS_REFERENCE_NOT_ALLOWED = DiagnosticFactory1.create(ERROR);
378        DiagnosticFactory0<JetExpression> CALLABLE_REFERENCE_LHS_NOT_A_CLASS = DiagnosticFactory0.create(ERROR);
379    
380        // Multi-declarations
381    
382        DiagnosticFactory0<JetMultiDeclaration> INITIALIZER_REQUIRED_FOR_MULTIDECLARATION = DiagnosticFactory0.create(ERROR, DEFAULT);
383        DiagnosticFactory2<JetExpression, Name, JetType> COMPONENT_FUNCTION_MISSING = DiagnosticFactory2.create(ERROR, DEFAULT);
384        DiagnosticFactory2<JetExpression, Name, Collection<? extends ResolvedCall<?>>> COMPONENT_FUNCTION_AMBIGUITY = DiagnosticFactory2.create(ERROR, DEFAULT);
385        DiagnosticFactory3<JetExpression, Name, JetType, JetType> COMPONENT_FUNCTION_RETURN_TYPE_MISMATCH = DiagnosticFactory3.create(ERROR, DEFAULT);
386    
387        // Super calls
388    
389        DiagnosticFactory1<JetSuperExpression, String> SUPER_IS_NOT_AN_EXPRESSION = DiagnosticFactory1.create(ERROR);
390        DiagnosticFactory0<JetSuperExpression> SUPER_NOT_AVAILABLE = DiagnosticFactory0.create(ERROR);
391        DiagnosticFactory0<JetSuperExpression> SUPERCLASS_NOT_ACCESSIBLE_FROM_TRAIT = DiagnosticFactory0.create(ERROR);
392        DiagnosticFactory0<JetSuperExpression> AMBIGUOUS_SUPER = DiagnosticFactory0.create(ERROR);
393        DiagnosticFactory0<JetExpression> ABSTRACT_SUPER_CALL = DiagnosticFactory0.create(ERROR);
394        DiagnosticFactory0<JetTypeReference> NOT_A_SUPERTYPE = DiagnosticFactory0.create(ERROR);
395        DiagnosticFactory0<PsiElement> TYPE_ARGUMENTS_REDUNDANT_IN_SUPER_QUALIFIER = DiagnosticFactory0.create(WARNING);
396    
397        // Conventions
398    
399        DiagnosticFactory0<JetArrayAccessExpression> NO_GET_METHOD = DiagnosticFactory0.create(ERROR, ARRAY_ACCESS);
400        DiagnosticFactory0<JetArrayAccessExpression> NO_SET_METHOD = DiagnosticFactory0.create(ERROR, ARRAY_ACCESS);
401    
402        DiagnosticFactory0<JetSimpleNameExpression> INC_DEC_SHOULD_NOT_RETURN_UNIT = DiagnosticFactory0.create(ERROR);
403        DiagnosticFactory2<JetSimpleNameExpression, DeclarationDescriptor, JetSimpleNameExpression> ASSIGNMENT_OPERATOR_SHOULD_RETURN_UNIT =
404                DiagnosticFactory2.create(ERROR);
405        DiagnosticFactory1<PsiElement, Collection<? extends ResolvedCall<?>>>
406                ASSIGN_OPERATOR_AMBIGUITY = DiagnosticFactory1.create(ERROR);
407    
408        DiagnosticFactory0<JetSimpleNameExpression> EQUALS_MISSING = DiagnosticFactory0.create(ERROR);
409        DiagnosticFactory3<JetBinaryExpression, JetSimpleNameExpression, JetType, JetType> EQUALITY_NOT_APPLICABLE =
410                DiagnosticFactory3.create(ERROR);
411    
412    
413        DiagnosticFactory1<JetExpression, JetType> HAS_NEXT_MISSING = DiagnosticFactory1.create(ERROR);
414        DiagnosticFactory1<JetExpression, JetType> HAS_NEXT_FUNCTION_AMBIGUITY = DiagnosticFactory1.create(ERROR);
415        DiagnosticFactory1<JetExpression, JetType> HAS_NEXT_FUNCTION_NONE_APPLICABLE = DiagnosticFactory1.create(ERROR);
416        DiagnosticFactory1<JetExpression, JetType> HAS_NEXT_FUNCTION_TYPE_MISMATCH = DiagnosticFactory1.create(ERROR);
417    
418        DiagnosticFactory1<JetExpression, JetType> NEXT_AMBIGUITY = DiagnosticFactory1.create(ERROR);
419        DiagnosticFactory1<JetExpression, JetType> NEXT_MISSING = DiagnosticFactory1.create(ERROR);
420        DiagnosticFactory1<JetExpression, JetType> NEXT_NONE_APPLICABLE = DiagnosticFactory1.create(ERROR);
421    
422        DiagnosticFactory0<JetExpression> ITERATOR_MISSING = DiagnosticFactory0.create(ERROR);
423        DiagnosticFactory1<PsiElement, Collection<? extends ResolvedCall<?>>> ITERATOR_AMBIGUITY = DiagnosticFactory1.create(ERROR);
424    
425        DiagnosticFactory2<JetExpression, String, JetType> DELEGATE_SPECIAL_FUNCTION_MISSING = DiagnosticFactory2.create(ERROR);
426        DiagnosticFactory2<JetExpression, String, Collection<? extends ResolvedCall<?>>> DELEGATE_SPECIAL_FUNCTION_AMBIGUITY = DiagnosticFactory2.create(ERROR);
427        DiagnosticFactory2<JetExpression, String, Collection<? extends ResolvedCall<?>>> DELEGATE_SPECIAL_FUNCTION_NONE_APPLICABLE = DiagnosticFactory2.create(ERROR);
428        DiagnosticFactory3<JetExpression, String, JetType, JetType> DELEGATE_SPECIAL_FUNCTION_RETURN_TYPE_MISMATCH = DiagnosticFactory3.create(ERROR);
429    
430        DiagnosticFactory1<JetSimpleNameExpression, JetType> COMPARE_TO_TYPE_MISMATCH = DiagnosticFactory1.create(ERROR);
431    
432        // Labels
433    
434        DiagnosticFactory0<JetSimpleNameExpression> LABEL_NAME_CLASH = DiagnosticFactory0.create(WARNING);
435        DiagnosticFactory0<JetSimpleNameExpression> AMBIGUOUS_LABEL = DiagnosticFactory0.create(ERROR);
436    
437        DiagnosticFactory0<JetExpressionWithLabel> BREAK_OR_CONTINUE_OUTSIDE_A_LOOP = DiagnosticFactory0.create(ERROR);
438        DiagnosticFactory0<JetExpressionWithLabel> BREAK_OR_CONTINUE_JUMPS_ACROSS_FUNCTION_BOUNDARY = DiagnosticFactory0.create(ERROR);
439        DiagnosticFactory1<JetExpressionWithLabel, String> NOT_A_LOOP_LABEL = DiagnosticFactory1.create(ERROR);
440        DiagnosticFactory1<JetReturnExpression, String> NOT_A_RETURN_LABEL = DiagnosticFactory1.create(ERROR);
441    
442        // Control flow / Data flow
443    
444        DiagnosticFactory0<JetElement> UNREACHABLE_CODE = DiagnosticFactory0.create(WARNING);
445    
446        DiagnosticFactory0<JetVariableDeclaration> VARIABLE_WITH_NO_TYPE_NO_INITIALIZER = DiagnosticFactory0.create(ERROR, NAME_IDENTIFIER);
447    
448        DiagnosticFactory1<JetSimpleNameExpression, VariableDescriptor> UNINITIALIZED_VARIABLE = DiagnosticFactory1.create(ERROR);
449        DiagnosticFactory1<JetSimpleNameExpression, ValueParameterDescriptor> UNINITIALIZED_PARAMETER = DiagnosticFactory1.create(ERROR);
450    
451        DiagnosticFactory1<PsiNameIdentifierOwner, VariableDescriptor> UNUSED_VARIABLE = DiagnosticFactory1.create(WARNING, NAME_IDENTIFIER);
452        DiagnosticFactory1<PsiNameIdentifierOwner, VariableDescriptor> UNUSED_PARAMETER = DiagnosticFactory1.create(WARNING, NAME_IDENTIFIER);
453    
454        DiagnosticFactory1<PsiNameIdentifierOwner, VariableDescriptor> ASSIGNED_BUT_NEVER_ACCESSED_VARIABLE =
455                DiagnosticFactory1.create(WARNING, NAME_IDENTIFIER);
456        DiagnosticFactory1<JetExpression, DeclarationDescriptor> VARIABLE_WITH_REDUNDANT_INITIALIZER = DiagnosticFactory1.create(WARNING);
457        DiagnosticFactory2<JetElement, JetElement, DeclarationDescriptor> UNUSED_VALUE = DiagnosticFactory2.create(WARNING);
458        DiagnosticFactory1<JetElement, JetElement> UNUSED_CHANGED_VALUE = DiagnosticFactory1.create(WARNING);
459        DiagnosticFactory0<JetElement> UNUSED_EXPRESSION = DiagnosticFactory0.create(WARNING);
460        DiagnosticFactory0<JetFunctionLiteralExpression> UNUSED_FUNCTION_LITERAL = DiagnosticFactory0.create(WARNING);
461    
462        DiagnosticFactory1<JetExpression, DeclarationDescriptor> VAL_REASSIGNMENT = DiagnosticFactory1.create(ERROR);
463        DiagnosticFactory1<JetExpression, DeclarationDescriptor> SETTER_PROJECTED_OUT = DiagnosticFactory1.create(ERROR);
464    
465        DiagnosticFactory1<JetExpression, DeclarationDescriptor> INITIALIZATION_BEFORE_DECLARATION = DiagnosticFactory1.create(ERROR);
466    
467        DiagnosticFactory0<JetExpression> VARIABLE_EXPECTED = DiagnosticFactory0.create(ERROR);
468    
469        DiagnosticFactory2<JetBinaryExpression, JetBinaryExpression, Boolean> SENSELESS_COMPARISON = DiagnosticFactory2.create(WARNING);
470    
471        DiagnosticFactory0<JetElement> SENSELESS_NULL_IN_WHEN = DiagnosticFactory0.create(WARNING);
472    
473        // Nullability
474    
475        DiagnosticFactory1<PsiElement, JetType> UNSAFE_CALL = DiagnosticFactory1.create(ERROR);
476        DiagnosticFactory3<JetExpression, String, String, String> UNSAFE_INFIX_CALL = DiagnosticFactory3.create(ERROR);
477        DiagnosticFactory1<PsiElement, JetType> UNNECESSARY_SAFE_CALL = DiagnosticFactory1.create(WARNING);
478        DiagnosticFactory1<PsiElement, JetType> UNNECESSARY_NOT_NULL_ASSERTION = DiagnosticFactory1.create(WARNING);
479    
480        DiagnosticFactory1<JetExpression, JetType> USELESS_ELVIS = DiagnosticFactory1.create(WARNING);
481    
482        // Compile-time values
483    
484        DiagnosticFactory0<JetExpression> INTEGER_OVERFLOW = DiagnosticFactory0.create(WARNING);
485        DiagnosticFactory0<JetConstantExpression> WRONG_LONG_SUFFIX = DiagnosticFactory0.create(ERROR, LONG_LITERAL_SUFFIX);
486        DiagnosticFactory0<JetConstantExpression> INT_LITERAL_OUT_OF_RANGE = DiagnosticFactory0.create(ERROR);
487        DiagnosticFactory0<JetConstantExpression> FLOAT_LITERAL_OUT_OF_RANGE = DiagnosticFactory0.create(ERROR);
488        DiagnosticFactory2<JetConstantExpression, String, JetType> CONSTANT_EXPECTED_TYPE_MISMATCH = DiagnosticFactory2.create(ERROR);
489        DiagnosticFactory0<JetConstantExpression> INCORRECT_CHARACTER_LITERAL = DiagnosticFactory0.create(ERROR);
490        DiagnosticFactory0<JetConstantExpression> EMPTY_CHARACTER_LITERAL = DiagnosticFactory0.create(ERROR);
491        DiagnosticFactory1<JetConstantExpression, JetConstantExpression> TOO_MANY_CHARACTERS_IN_CHARACTER_LITERAL = DiagnosticFactory1.create(ERROR);
492        DiagnosticFactory1<JetElement, JetElement> ILLEGAL_ESCAPE = DiagnosticFactory1.create(ERROR, CUT_CHAR_QUOTES);
493        DiagnosticFactory1<JetConstantExpression, JetType> NULL_FOR_NONNULL_TYPE = DiagnosticFactory1.create(ERROR);
494        DiagnosticFactory0<JetEscapeStringTemplateEntry> ILLEGAL_ESCAPE_SEQUENCE = DiagnosticFactory0.create(ERROR);
495    
496        // Casts and is-checks
497    
498        DiagnosticFactory1<JetElement, JetType> CANNOT_CHECK_FOR_ERASED = DiagnosticFactory1.create(ERROR);
499        DiagnosticFactory2<JetBinaryExpressionWithTypeRHS, JetType, JetType> UNCHECKED_CAST = DiagnosticFactory2.create(WARNING);
500    
501        DiagnosticFactory0<JetSimpleNameExpression> USELESS_CAST_STATIC_ASSERT_IS_FINE = DiagnosticFactory0.create(WARNING);
502        DiagnosticFactory0<JetSimpleNameExpression> USELESS_CAST = DiagnosticFactory0.create(WARNING);
503        DiagnosticFactory0<JetSimpleNameExpression> CAST_NEVER_SUCCEEDS = DiagnosticFactory0.create(WARNING);
504    
505        DiagnosticFactory1<JetExpression, JetType> IMPLICIT_CAST_TO_UNIT_OR_ANY = DiagnosticFactory1.create(WARNING);
506    
507        DiagnosticFactory2<JetExpression, JetType, String> AUTOCAST_IMPOSSIBLE = DiagnosticFactory2.create(ERROR);
508    
509        DiagnosticFactory0<JetNullableType> USELESS_NULLABLE_CHECK = DiagnosticFactory0.create(WARNING, NULLABLE_TYPE);
510    
511        // Properties / locals
512    
513        DiagnosticFactory1<JetExpression, DeclarationDescriptor> INITIALIZATION_USING_BACKING_FIELD_CUSTOM_SETTER = DiagnosticFactory1.create(ERROR);
514        DiagnosticFactory1<JetExpression, DeclarationDescriptor> INITIALIZATION_USING_BACKING_FIELD_OPEN_SETTER = DiagnosticFactory1.create(ERROR);
515    
516        DiagnosticFactory0<JetTypeReference> LOCAL_EXTENSION_PROPERTY = DiagnosticFactory0.create(ERROR);
517        DiagnosticFactory0<JetPropertyAccessor> LOCAL_VARIABLE_WITH_GETTER = DiagnosticFactory0.create(ERROR);
518        DiagnosticFactory0<JetPropertyAccessor> LOCAL_VARIABLE_WITH_SETTER = DiagnosticFactory0.create(ERROR);
519    
520        DiagnosticFactory3<JetExpression, DeclarationDescriptor, Visibility, DeclarationDescriptor> INVISIBLE_SETTER = DiagnosticFactory3.create(ERROR);
521    
522        DiagnosticFactory1<PsiElement, JetKeywordToken> VAL_OR_VAR_ON_LOOP_PARAMETER = DiagnosticFactory1.create(ERROR);
523        DiagnosticFactory1<PsiElement, JetKeywordToken> VAL_OR_VAR_ON_FUN_PARAMETER = DiagnosticFactory1.create(ERROR);
524        DiagnosticFactory1<PsiElement, JetKeywordToken> VAL_OR_VAR_ON_CATCH_PARAMETER = DiagnosticFactory1.create(ERROR);
525    
526        // Backing fields
527    
528        DiagnosticFactory0<JetElement> NO_BACKING_FIELD_ABSTRACT_PROPERTY = DiagnosticFactory0.create(ERROR);
529        DiagnosticFactory0<JetElement> NO_BACKING_FIELD_CUSTOM_ACCESSORS = DiagnosticFactory0.create(ERROR);
530        DiagnosticFactory0<JetElement> INACCESSIBLE_BACKING_FIELD = DiagnosticFactory0.create(ERROR);
531        DiagnosticFactory0<JetElement> NOT_PROPERTY_BACKING_FIELD = DiagnosticFactory0.create(ERROR);
532    
533        // When expressions
534    
535        DiagnosticFactory0<JetWhenCondition> EXPECTED_CONDITION = DiagnosticFactory0.create(ERROR);
536        DiagnosticFactory0<JetWhenEntry> ELSE_MISPLACED_IN_WHEN = DiagnosticFactory0.create(ERROR, ELSE_ENTRY);
537        DiagnosticFactory0<JetWhenExpression> NO_ELSE_IN_WHEN = DiagnosticFactory0.create(ERROR, WHEN_EXPRESSION);
538    
539        // Type mismatch
540    
541        DiagnosticFactory2<JetExpression, JetType, JetType> TYPE_MISMATCH = DiagnosticFactory2.create(ERROR);
542        DiagnosticFactory1<JetExpression, JetType> RETURN_TYPE_MISMATCH = DiagnosticFactory1.create(ERROR);
543        DiagnosticFactory1<JetExpression, JetType> EXPECTED_TYPE_MISMATCH = DiagnosticFactory1.create(ERROR);
544        DiagnosticFactory1<JetBinaryExpression, JetType> ASSIGNMENT_TYPE_MISMATCH = DiagnosticFactory1.create(ERROR);
545        DiagnosticFactory2<JetTypeReference, JetType, JetType> TYPE_MISMATCH_IN_FOR_LOOP = DiagnosticFactory2.create(ERROR);
546        DiagnosticFactory1<JetElement, JetType> TYPE_MISMATCH_IN_CONDITION = DiagnosticFactory1.create(ERROR);
547        DiagnosticFactory3<JetExpression, String, JetType, JetType> RESULT_TYPE_MISMATCH = DiagnosticFactory3.create(ERROR);
548        DiagnosticFactory0<JetWhenConditionInRange> TYPE_MISMATCH_IN_RANGE = DiagnosticFactory0.create(ERROR, WHEN_CONDITION_IN_RANGE);
549    
550        DiagnosticFactory1<JetParameter, JetType> EXPECTED_PARAMETER_TYPE_MISMATCH = DiagnosticFactory1.create(ERROR);
551        DiagnosticFactory1<JetTypeReference, JetType> EXPECTED_RETURN_TYPE_MISMATCH = DiagnosticFactory1.create(ERROR);
552        DiagnosticFactory2<JetFunctionLiteral, Integer, List<JetType>> EXPECTED_PARAMETERS_NUMBER_MISMATCH =
553                DiagnosticFactory2.create(ERROR, FUNCTION_LITERAL_PARAMETERS);
554    
555        DiagnosticFactory2<JetElement, JetType, JetType> INCOMPATIBLE_TYPES = DiagnosticFactory2.create(ERROR);
556    
557        // Context tracking
558    
559        DiagnosticFactory1<JetExpression, JetExpression> EXPRESSION_EXPECTED = DiagnosticFactory1.create(ERROR);
560        DiagnosticFactory0<JetBinaryExpression> ASSIGNMENT_IN_EXPRESSION_CONTEXT = DiagnosticFactory0.create(ERROR);
561        DiagnosticFactory0<JetDeclaration> DECLARATION_IN_ILLEGAL_CONTEXT = DiagnosticFactory0.create(ERROR);
562    
563        DiagnosticFactory0<JetSimpleNameExpression> EXPRESSION_EXPECTED_PACKAGE_FOUND = DiagnosticFactory0.create(ERROR);
564    
565        DiagnosticFactory0<JetReturnExpression> RETURN_NOT_ALLOWED = DiagnosticFactory0.create(ERROR);
566        DiagnosticFactory0<JetReturnExpression> RETURN_NOT_ALLOWED_EXPLICIT_RETURN_TYPE_REQUIRED = DiagnosticFactory0.create(ERROR);
567        DiagnosticFactory0<JetReturnExpression> RETURN_IN_FUNCTION_WITH_EXPRESSION_BODY = DiagnosticFactory0.create(ERROR);
568        DiagnosticFactory0<JetDeclarationWithBody>
569                NO_RETURN_IN_FUNCTION_WITH_BLOCK_BODY = DiagnosticFactory0.create(ERROR, DECLARATION_WITH_BODY);
570    
571        DiagnosticFactory0<JetClassInitializer> ANONYMOUS_INITIALIZER_IN_TRAIT = DiagnosticFactory0.create(ERROR);
572    
573        DiagnosticFactory0<JetThisExpression> NO_THIS = DiagnosticFactory0.create(ERROR);
574        DiagnosticFactory0<JetRootPackageExpression> PACKAGE_IS_NOT_AN_EXPRESSION = DiagnosticFactory0.create(ERROR);
575        DiagnosticFactory1<JetSimpleNameExpression, ClassifierDescriptor> NO_CLASS_OBJECT = DiagnosticFactory1.create(ERROR);
576        DiagnosticFactory1<JetSimpleNameExpression, TypeParameterDescriptor> TYPE_PARAMETER_IS_NOT_AN_EXPRESSION = DiagnosticFactory1.create(ERROR);
577        DiagnosticFactory1<JetSimpleNameExpression, TypeParameterDescriptor> TYPE_PARAMETER_ON_LHS_OF_DOT = DiagnosticFactory1.create(ERROR);
578    
579        DiagnosticFactory1<PsiElement, ClassDescriptor> INACCESSIBLE_OUTER_CLASS_EXPRESSION = DiagnosticFactory1.create(ERROR);
580        DiagnosticFactory0<PsiElement> NESTED_CLASS_NOT_ALLOWED = DiagnosticFactory0.create(ERROR);
581    
582        //Inline and inlinable parameters
583        DiagnosticFactory2<JetElement, DeclarationDescriptor, DeclarationDescriptor> INVISIBLE_MEMBER_FROM_INLINE = DiagnosticFactory2.create(ERROR, CALL_ELEMENT);
584        DiagnosticFactory2<JetElement, JetNamedDeclaration, DeclarationDescriptor> NOT_YET_SUPPORTED_IN_INLINE = DiagnosticFactory2.create(ERROR);
585        DiagnosticFactory1<JetFunction, DeclarationDescriptor> NOTHING_TO_INLINE = DiagnosticFactory1.create(WARNING, NAMED_ELEMENT);
586        DiagnosticFactory2<JetElement, JetExpression, DeclarationDescriptor> USAGE_IS_NOT_INLINABLE = DiagnosticFactory2.create(ERROR);
587        DiagnosticFactory2<JetElement, JetElement, DeclarationDescriptor> NULLABLE_INLINE_PARAMETER = DiagnosticFactory2.create(ERROR);
588        DiagnosticFactory2<JetElement, JetElement, DeclarationDescriptor> RECURSION_IN_INLINE = DiagnosticFactory2.create(ERROR);
589        DiagnosticFactory0<JetElement> DECLARATION_CANT_BE_INLINED = DiagnosticFactory0.create(ERROR);
590    
591        // Error sets
592        ImmutableSet<? extends DiagnosticFactory> UNRESOLVED_REFERENCE_DIAGNOSTICS = ImmutableSet.of(
593                UNRESOLVED_REFERENCE, NAMED_PARAMETER_NOT_FOUND, UNRESOLVED_REFERENCE_WRONG_RECEIVER);
594        ImmutableSet<? extends DiagnosticFactory> UNUSED_ELEMENT_DIAGNOSTICS = ImmutableSet.of(
595                UNUSED_VARIABLE, UNUSED_PARAMETER, ASSIGNED_BUT_NEVER_ACCESSED_VARIABLE);
596        ImmutableSet<? extends DiagnosticFactory> TYPE_INFERENCE_ERRORS = ImmutableSet.of(
597                TYPE_INFERENCE_NO_INFORMATION_FOR_PARAMETER, TYPE_INFERENCE_CONFLICTING_SUBSTITUTIONS, TYPE_INFERENCE_TYPE_CONSTRUCTOR_MISMATCH,
598                TYPE_INFERENCE_UPPER_BOUND_VIOLATED, TYPE_INFERENCE_EXPECTED_TYPE_MISMATCH);
599    
600        ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
601    
602        // This field is needed to make the Initializer class load (interfaces cannot have static initializers)
603    
604        ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
605        @SuppressWarnings("UnusedDeclaration")
606        Initializer __initializer = Initializer.INSTANCE;
607    
608        class Initializer {
609            static {
610                for (Field field : Errors.class.getFields()) {
611                    if (Modifier.isStatic(field.getModifiers())) {
612                        try {
613                            Object value = field.get(null);
614                            if (value instanceof DiagnosticFactory) {
615                                DiagnosticFactory factory = (DiagnosticFactory)value;
616                                factory.setName(field.getName());
617                            }
618                        }
619                        catch (IllegalAccessException e) {
620                            throw new IllegalStateException(e);
621                        }
622                    }
623                }
624            }
625    
626            private static final Initializer INSTANCE = new Initializer();
627    
628            private Initializer() {
629            }
630        }
631    }