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<PsiElement, TypeParameterDescriptor> CONFLICTING_UPPER_BOUNDS = DiagnosticFactory1.create(ERROR);
188        DiagnosticFactory1<PsiElement, TypeParameterDescriptor> CONFLICTING_CLASS_OBJECT_UPPER_BOUNDS = DiagnosticFactory1.create(ERROR);
189    
190        DiagnosticFactory2<JetSimpleNameExpression, JetTypeConstraint, JetTypeParameterListOwner> NAME_IN_CONSTRAINT_IS_NOT_A_TYPE_PARAMETER =
191                DiagnosticFactory2.create(ERROR);
192    
193        DiagnosticFactory0<JetTypeParameter>
194                VARIANCE_ON_TYPE_PARAMETER_OF_FUNCTION_OR_PROPERTY = DiagnosticFactory0.create(ERROR, VARIANCE_MODIFIER);
195    
196        // Members
197    
198        DiagnosticFactory0<PsiElement> PACKAGE_MEMBER_CANNOT_BE_PROTECTED = DiagnosticFactory0.create(ERROR);
199    
200        DiagnosticFactory0<JetNamedDeclaration> PUBLIC_MEMBER_SHOULD_SPECIFY_TYPE = DiagnosticFactory0.create(ERROR, NAMED_ELEMENT);
201    
202        DiagnosticFactory2<JetDeclaration, CallableMemberDescriptor, String> CONFLICTING_OVERLOADS = DiagnosticFactory2.create(ERROR, DECLARATION);
203    
204        DiagnosticFactory0<JetNamedDeclaration> NON_FINAL_MEMBER_IN_FINAL_CLASS = DiagnosticFactory0.create(WARNING, modifierSetPosition(
205                JetTokens.OPEN_KEYWORD));
206    
207        DiagnosticFactory1<JetModifierListOwner, CallableMemberDescriptor> NOTHING_TO_OVERRIDE = DiagnosticFactory1.create(ERROR, OVERRIDE_MODIFIER);
208    
209        DiagnosticFactory3<PsiNameIdentifierOwner, CallableMemberDescriptor, CallableMemberDescriptor, DeclarationDescriptor> VIRTUAL_MEMBER_HIDDEN =
210                DiagnosticFactory3.create(ERROR, NAMED_ELEMENT);
211    
212        DiagnosticFactory2<JetModifierListOwner, CallableMemberDescriptor, CallableDescriptor> CANNOT_OVERRIDE_INVISIBLE_MEMBER =
213                DiagnosticFactory2.create(ERROR, OVERRIDE_MODIFIER);
214    
215        DiagnosticFactory2<JetAnnotationEntry, CallableMemberDescriptor, DeclarationDescriptor> DATA_CLASS_OVERRIDE_CONFLICT =
216                DiagnosticFactory2.create(ERROR);
217    
218        DiagnosticFactory0<JetDeclaration> CANNOT_INFER_VISIBILITY = DiagnosticFactory0.create(ERROR, DECLARATION);
219    
220        DiagnosticFactory2<PsiElement, CallableMemberDescriptor, DeclarationDescriptor> OVERRIDING_FINAL_MEMBER = DiagnosticFactory2.create(ERROR);
221    
222        DiagnosticFactory3<JetModifierListOwner, Visibility, CallableMemberDescriptor, DeclarationDescriptor> CANNOT_WEAKEN_ACCESS_PRIVILEGE =
223                DiagnosticFactory3.create(ERROR, VISIBILITY_MODIFIER);
224        DiagnosticFactory3<JetModifierListOwner, Visibility, CallableMemberDescriptor, DeclarationDescriptor> CANNOT_CHANGE_ACCESS_PRIVILEGE =
225                DiagnosticFactory3.create(ERROR, VISIBILITY_MODIFIER);
226        DiagnosticFactory2<JetNamedDeclaration, CallableMemberDescriptor, CallableMemberDescriptor> RETURN_TYPE_MISMATCH_ON_OVERRIDE =
227                DiagnosticFactory2.create(ERROR, DECLARATION_RETURN_TYPE);
228        DiagnosticFactory2<JetNamedDeclaration, CallableMemberDescriptor, CallableMemberDescriptor> PROPERTY_TYPE_MISMATCH_ON_OVERRIDE =
229                DiagnosticFactory2.create(ERROR, DECLARATION_RETURN_TYPE);
230    
231        DiagnosticFactory2<JetClassOrObject, JetClassOrObject, CallableMemberDescriptor> ABSTRACT_MEMBER_NOT_IMPLEMENTED =
232                DiagnosticFactory2.create(ERROR, NAME_IDENTIFIER);
233        DiagnosticFactory2<JetClassOrObject, JetClassOrObject, CallableMemberDescriptor> MANY_IMPL_MEMBER_NOT_IMPLEMENTED =
234                DiagnosticFactory2.create(ERROR, NAME_IDENTIFIER);
235    
236        DiagnosticFactory1<JetNamedDeclaration, Collection<JetType>> AMBIGUOUS_ANONYMOUS_TYPE_INFERRED = DiagnosticFactory1.create(ERROR, NAMED_ELEMENT);
237    
238        // Property-specific
239    
240        DiagnosticFactory2<JetProperty, PropertyDescriptor, PropertyDescriptor> VAR_OVERRIDDEN_BY_VAL =
241                DiagnosticFactory2.create(ERROR, VAL_OR_VAR_NODE);
242    
243        DiagnosticFactory0<PsiElement> REDUNDANT_MODIFIER_IN_GETTER = DiagnosticFactory0.create(WARNING);
244        DiagnosticFactory0<PsiElement> GETTER_VISIBILITY_DIFFERS_FROM_PROPERTY_VISIBILITY = DiagnosticFactory0.create(ERROR);
245        DiagnosticFactory2<JetTypeReference, JetType, JetType> WRONG_GETTER_RETURN_TYPE = DiagnosticFactory2.create(ERROR);
246    
247        DiagnosticFactory0<JetModifierListOwner>
248                ABSTRACT_PROPERTY_IN_PRIMARY_CONSTRUCTOR_PARAMETERS = DiagnosticFactory0.create(ERROR, ABSTRACT_MODIFIER);
249        DiagnosticFactory0<JetExpression> ABSTRACT_PROPERTY_WITH_INITIALIZER = DiagnosticFactory0.create(ERROR);
250        DiagnosticFactory0<JetPropertyAccessor> ABSTRACT_PROPERTY_WITH_GETTER = DiagnosticFactory0.create(ERROR);
251        DiagnosticFactory0<JetPropertyAccessor> ABSTRACT_PROPERTY_WITH_SETTER = DiagnosticFactory0.create(ERROR);
252    
253        DiagnosticFactory0<JetPropertyDelegate> ABSTRACT_DELEGATED_PROPERTY = DiagnosticFactory0.create(ERROR);
254        DiagnosticFactory0<JetPropertyAccessor> ACCESSOR_FOR_DELEGATED_PROPERTY = DiagnosticFactory0.create(ERROR);
255        DiagnosticFactory0<JetPropertyDelegate> DELEGATED_PROPERTY_IN_TRAIT = DiagnosticFactory0.create(ERROR);
256        DiagnosticFactory0<JetPropertyDelegate> LOCAL_VARIABLE_WITH_DELEGATE = DiagnosticFactory0.create(ERROR);
257    
258        DiagnosticFactory0<JetProperty> PROPERTY_WITH_NO_TYPE_NO_INITIALIZER = DiagnosticFactory0.create(ERROR, NAMED_ELEMENT);
259    
260        DiagnosticFactory0<JetProperty> MUST_BE_INITIALIZED = DiagnosticFactory0.create(ERROR, NAMED_ELEMENT);
261        DiagnosticFactory0<JetProperty> MUST_BE_INITIALIZED_OR_BE_ABSTRACT = DiagnosticFactory0.create(ERROR, NAMED_ELEMENT);
262    
263        DiagnosticFactory0<JetExpression> PROPERTY_INITIALIZER_NO_BACKING_FIELD = DiagnosticFactory0.create(ERROR);
264        DiagnosticFactory0<JetExpression> PROPERTY_INITIALIZER_IN_TRAIT = DiagnosticFactory0.create(ERROR);
265        DiagnosticFactory0<JetProperty> FINAL_PROPERTY_IN_TRAIT = DiagnosticFactory0.create(ERROR, FINAL_MODIFIER);
266        DiagnosticFactory0<JetProperty> BACKING_FIELD_IN_TRAIT = DiagnosticFactory0.create(ERROR, NAMED_ELEMENT);
267    
268        DiagnosticFactory2<JetModifierListOwner, String, ClassDescriptor> ABSTRACT_PROPERTY_IN_NON_ABSTRACT_CLASS = DiagnosticFactory2.create(ERROR, ABSTRACT_MODIFIER);
269    
270        DiagnosticFactory0<JetPropertyAccessor> VAL_WITH_SETTER = DiagnosticFactory0.create(ERROR);
271    
272        DiagnosticFactory0<JetExpression> SETTER_PARAMETER_WITH_DEFAULT_VALUE = DiagnosticFactory0.create(ERROR);
273    
274        DiagnosticFactory2<JetTypeReference, JetType, JetType> WRONG_SETTER_PARAMETER_TYPE = DiagnosticFactory2.create(ERROR);
275    
276        // Function-specific
277    
278        DiagnosticFactory2<JetFunction, String, ClassDescriptor> ABSTRACT_FUNCTION_IN_NON_ABSTRACT_CLASS = DiagnosticFactory2.create(ERROR, ABSTRACT_MODIFIER);
279    
280        DiagnosticFactory1<JetFunction, SimpleFunctionDescriptor> ABSTRACT_FUNCTION_WITH_BODY = DiagnosticFactory1.create(ERROR, ABSTRACT_MODIFIER);
281        DiagnosticFactory1<JetFunction, SimpleFunctionDescriptor> NON_ABSTRACT_FUNCTION_WITH_NO_BODY = DiagnosticFactory1.create(ERROR, NAMED_ELEMENT);
282        DiagnosticFactory1<JetFunction, SimpleFunctionDescriptor> FINAL_FUNCTION_WITH_NO_BODY = DiagnosticFactory1.create(ERROR, FINAL_MODIFIER);
283    
284        DiagnosticFactory1<JetFunction, SimpleFunctionDescriptor> NON_MEMBER_FUNCTION_NO_BODY = DiagnosticFactory1.create(ERROR, NAMED_ELEMENT);
285    
286        DiagnosticFactory0<JetParameter> VALUE_PARAMETER_WITH_NO_TYPE_ANNOTATION = DiagnosticFactory0.create(ERROR);
287    
288        DiagnosticFactory0<JetNamedFunction> NO_TAIL_CALLS_FOUND = DiagnosticFactory0.create(WARNING, NAMED_ELEMENT);
289    
290        // Named parameters
291    
292        DiagnosticFactory0<JetParameter> DEFAULT_VALUE_NOT_ALLOWED_IN_OVERRIDE = DiagnosticFactory0.create(ERROR, PARAMETER_DEFAULT_VALUE);
293    
294        DiagnosticFactory1<JetParameter, ValueParameterDescriptor> MULTIPLE_DEFAULTS_INHERITED_FROM_SUPERTYPES = DiagnosticFactory1.create(ERROR);
295    
296        DiagnosticFactory1<JetClassOrObject, ValueParameterDescriptor> MULTIPLE_DEFAULTS_INHERITED_FROM_SUPERTYPES_WHEN_NO_EXPLICIT_OVERRIDE =
297                DiagnosticFactory1.create(ERROR, NAME_IDENTIFIER);
298    
299        DiagnosticFactory2<JetParameter, ClassDescriptor, ValueParameterDescriptor> PARAMETER_NAME_CHANGED_ON_OVERRIDE =
300                DiagnosticFactory2.create(WARNING, NAME_IDENTIFIER);
301    
302        DiagnosticFactory2<JetClassOrObject, Collection<? extends CallableMemberDescriptor>, Integer> DIFFERENT_NAMES_FOR_THE_SAME_PARAMETER_IN_SUPERTYPES =
303                DiagnosticFactory2.create(WARNING, NAME_IDENTIFIER);
304    
305        ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
306    
307        // Errors/warnings inside code blocks
308    
309        ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
310    
311        // General
312    
313        DiagnosticFactory1<PsiElement, String> NAME_SHADOWING = DiagnosticFactory1.create(WARNING, PositioningStrategies.FOR_REDECLARATION);
314    
315        DiagnosticFactory0<JetExpression> TYPECHECKER_HAS_RUN_INTO_RECURSIVE_PROBLEM = DiagnosticFactory0.create(ERROR);
316    
317        // Checking call arguments
318    
319        DiagnosticFactory0<PsiElement> MIXING_NAMED_AND_POSITIONED_ARGUMENTS = DiagnosticFactory0.create(ERROR);
320        DiagnosticFactory0<JetReferenceExpression> ARGUMENT_PASSED_TWICE = DiagnosticFactory0.create(ERROR);
321        DiagnosticFactory1<JetReferenceExpression, JetReferenceExpression> NAMED_PARAMETER_NOT_FOUND =
322                DiagnosticFactory1.create(ERROR, FOR_UNRESOLVED_REFERENCE);
323        DiagnosticFactory0<PsiElement> NAMED_ARGUMENTS_NOT_ALLOWED = DiagnosticFactory0.create(ERROR);
324    
325        DiagnosticFactory0<JetExpression> VARARG_OUTSIDE_PARENTHESES = DiagnosticFactory0.create(ERROR);
326        DiagnosticFactory0<LeafPsiElement> NON_VARARG_SPREAD = DiagnosticFactory0.create(ERROR);
327    
328        DiagnosticFactory0<JetExpression> MANY_FUNCTION_LITERAL_ARGUMENTS = DiagnosticFactory0.create(ERROR);
329    
330        DiagnosticFactory1<PsiElement, CallableDescriptor> TOO_MANY_ARGUMENTS = DiagnosticFactory1.create(ERROR);
331    
332        DiagnosticFactory1<JetElement, ValueParameterDescriptor> NO_VALUE_FOR_PARAMETER = DiagnosticFactory1.create(ERROR, VALUE_ARGUMENTS);
333    
334        DiagnosticFactory1<JetExpression, JetType> MISSING_RECEIVER = DiagnosticFactory1.create(ERROR);
335        DiagnosticFactory0<JetExpression> NO_RECEIVER_ADMITTED = DiagnosticFactory0.create(ERROR);
336    
337        // Call resolution
338    
339        DiagnosticFactory1<JetExpression, String> ILLEGAL_SELECTOR = DiagnosticFactory1.create(ERROR);
340    
341        DiagnosticFactory2<JetExpression, JetExpression, JetType> FUNCTION_EXPECTED = DiagnosticFactory2.create(ERROR);
342        DiagnosticFactory2<JetExpression, JetExpression, Boolean> FUNCTION_CALL_EXPECTED = DiagnosticFactory2.create(ERROR, CALL_EXPRESSION);
343    
344        DiagnosticFactory0<PsiElement> NON_TAIL_RECURSIVE_CALL = DiagnosticFactory0.create(WARNING, CALL_EXPRESSION);
345        DiagnosticFactory0<PsiElement> TAIL_RECURSION_IN_TRY_IS_NOT_SUPPORTED = DiagnosticFactory0.create(WARNING, CALL_EXPRESSION);
346    
347        DiagnosticFactory0<PsiElement> NO_CONSTRUCTOR = DiagnosticFactory0.create(ERROR);
348        DiagnosticFactory0<PsiElement> CREATING_AN_INSTANCE_OF_ABSTRACT_CLASS = DiagnosticFactory0.create(ERROR);
349        DiagnosticFactory0<JetExpression> NOT_A_CLASS = DiagnosticFactory0.create(ERROR);
350    
351        DiagnosticFactory1<PsiElement, Collection<? extends ResolvedCall<?>>> OVERLOAD_RESOLUTION_AMBIGUITY = DiagnosticFactory1.create(ERROR);
352        DiagnosticFactory1<PsiElement, Collection<? extends ResolvedCall<?>>> NONE_APPLICABLE = DiagnosticFactory1.create(ERROR);
353        DiagnosticFactory1<PsiElement, Collection<? extends ResolvedCall<?>>> CANNOT_COMPLETE_RESOLVE = DiagnosticFactory1.create(ERROR);
354        DiagnosticFactory1<PsiElement, Collection<? extends ResolvedCall<?>>> UNRESOLVED_REFERENCE_WRONG_RECEIVER = DiagnosticFactory1.create(ERROR);
355    
356        DiagnosticFactory0<JetExpression> DANGLING_FUNCTION_LITERAL_ARGUMENT_SUSPECTED = DiagnosticFactory0.create(WARNING);
357    
358        DiagnosticFactory1<PsiElement, TypeParameterDescriptor> TYPE_PARAMETER_AS_REIFIED = DiagnosticFactory1.create(ERROR);
359    
360        // Type inference
361    
362        DiagnosticFactory0<JetParameter> CANNOT_INFER_PARAMETER_TYPE = DiagnosticFactory0.create(ERROR);
363    
364        DiagnosticFactory1<PsiElement, InferenceErrorData> TYPE_INFERENCE_NO_INFORMATION_FOR_PARAMETER = DiagnosticFactory1.create(ERROR);
365        DiagnosticFactory1<PsiElement, InferenceErrorData> TYPE_INFERENCE_CONFLICTING_SUBSTITUTIONS = DiagnosticFactory1.create(ERROR);
366        DiagnosticFactory1<PsiElement, InferenceErrorData> TYPE_INFERENCE_TYPE_CONSTRUCTOR_MISMATCH = DiagnosticFactory1.create(ERROR);
367        DiagnosticFactory1<PsiElement, InferenceErrorData> TYPE_INFERENCE_UPPER_BOUND_VIOLATED = DiagnosticFactory1.create(ERROR);
368        DiagnosticFactory2<JetExpression, JetType, JetType> TYPE_INFERENCE_EXPECTED_TYPE_MISMATCH = DiagnosticFactory2.create(ERROR);
369    
370        // Callable references
371    
372        DiagnosticFactory1<JetExpression, CallableMemberDescriptor> EXTENSION_IN_CLASS_REFERENCE_NOT_ALLOWED = DiagnosticFactory1.create(ERROR);
373        DiagnosticFactory0<JetExpression> CALLABLE_REFERENCE_LHS_NOT_A_CLASS = DiagnosticFactory0.create(ERROR);
374    
375        // Multi-declarations
376    
377        DiagnosticFactory0<JetMultiDeclaration> INITIALIZER_REQUIRED_FOR_MULTIDECLARATION = DiagnosticFactory0.create(ERROR, DEFAULT);
378        DiagnosticFactory2<JetExpression, Name, JetType> COMPONENT_FUNCTION_MISSING = DiagnosticFactory2.create(ERROR, DEFAULT);
379        DiagnosticFactory2<JetExpression, Name, Collection<? extends ResolvedCall<?>>> COMPONENT_FUNCTION_AMBIGUITY = DiagnosticFactory2.create(ERROR, DEFAULT);
380        DiagnosticFactory3<JetExpression, Name, JetType, JetType> COMPONENT_FUNCTION_RETURN_TYPE_MISMATCH = DiagnosticFactory3.create(ERROR, DEFAULT);
381    
382        // Super calls
383    
384        DiagnosticFactory1<JetSuperExpression, String> SUPER_IS_NOT_AN_EXPRESSION = DiagnosticFactory1.create(ERROR);
385        DiagnosticFactory0<JetSuperExpression> SUPER_NOT_AVAILABLE = DiagnosticFactory0.create(ERROR);
386        DiagnosticFactory0<JetSuperExpression> SUPERCLASS_NOT_ACCESSIBLE_FROM_TRAIT = DiagnosticFactory0.create(ERROR);
387        DiagnosticFactory0<JetSuperExpression> AMBIGUOUS_SUPER = DiagnosticFactory0.create(ERROR);
388        DiagnosticFactory0<JetExpression> ABSTRACT_SUPER_CALL = DiagnosticFactory0.create(ERROR);
389        DiagnosticFactory0<JetTypeReference> NOT_A_SUPERTYPE = DiagnosticFactory0.create(ERROR);
390        DiagnosticFactory0<PsiElement> TYPE_ARGUMENTS_REDUNDANT_IN_SUPER_QUALIFIER = DiagnosticFactory0.create(WARNING);
391    
392        // Conventions
393    
394        DiagnosticFactory0<JetArrayAccessExpression> NO_GET_METHOD = DiagnosticFactory0.create(ERROR, ARRAY_ACCESS);
395        DiagnosticFactory0<JetArrayAccessExpression> NO_SET_METHOD = DiagnosticFactory0.create(ERROR, ARRAY_ACCESS);
396    
397        DiagnosticFactory0<JetSimpleNameExpression> INC_DEC_SHOULD_NOT_RETURN_UNIT = DiagnosticFactory0.create(ERROR);
398        DiagnosticFactory2<JetSimpleNameExpression, DeclarationDescriptor, JetSimpleNameExpression> ASSIGNMENT_OPERATOR_SHOULD_RETURN_UNIT =
399                DiagnosticFactory2.create(ERROR);
400        DiagnosticFactory1<PsiElement, Collection<? extends ResolvedCall<?>>>
401                ASSIGN_OPERATOR_AMBIGUITY = DiagnosticFactory1.create(ERROR);
402    
403        DiagnosticFactory0<JetSimpleNameExpression> EQUALS_MISSING = DiagnosticFactory0.create(ERROR);
404        DiagnosticFactory3<JetBinaryExpression, JetSimpleNameExpression, JetType, JetType> EQUALITY_NOT_APPLICABLE =
405                DiagnosticFactory3.create(ERROR);
406    
407    
408        DiagnosticFactory1<JetExpression, JetType> HAS_NEXT_MISSING = DiagnosticFactory1.create(ERROR);
409        DiagnosticFactory1<JetExpression, JetType> HAS_NEXT_FUNCTION_AMBIGUITY = DiagnosticFactory1.create(ERROR);
410        DiagnosticFactory1<JetExpression, JetType> HAS_NEXT_FUNCTION_NONE_APPLICABLE = DiagnosticFactory1.create(ERROR);
411        DiagnosticFactory1<JetExpression, JetType> HAS_NEXT_FUNCTION_TYPE_MISMATCH = DiagnosticFactory1.create(ERROR);
412    
413        DiagnosticFactory1<JetExpression, JetType> NEXT_AMBIGUITY = DiagnosticFactory1.create(ERROR);
414        DiagnosticFactory1<JetExpression, JetType> NEXT_MISSING = DiagnosticFactory1.create(ERROR);
415        DiagnosticFactory1<JetExpression, JetType> NEXT_NONE_APPLICABLE = DiagnosticFactory1.create(ERROR);
416    
417        DiagnosticFactory0<JetExpression> ITERATOR_MISSING = DiagnosticFactory0.create(ERROR);
418        DiagnosticFactory1<PsiElement, Collection<? extends ResolvedCall<?>>> ITERATOR_AMBIGUITY = DiagnosticFactory1.create(ERROR);
419    
420        DiagnosticFactory2<JetExpression, String, JetType> DELEGATE_SPECIAL_FUNCTION_MISSING = DiagnosticFactory2.create(ERROR);
421        DiagnosticFactory2<JetExpression, String, Collection<? extends ResolvedCall<?>>> DELEGATE_SPECIAL_FUNCTION_AMBIGUITY = DiagnosticFactory2.create(ERROR);
422        DiagnosticFactory2<JetExpression, String, Collection<? extends ResolvedCall<?>>> DELEGATE_SPECIAL_FUNCTION_NONE_APPLICABLE = DiagnosticFactory2.create(ERROR);
423        DiagnosticFactory3<JetExpression, String, JetType, JetType> DELEGATE_SPECIAL_FUNCTION_RETURN_TYPE_MISMATCH = DiagnosticFactory3.create(ERROR);
424    
425        DiagnosticFactory1<JetSimpleNameExpression, JetType> COMPARE_TO_TYPE_MISMATCH = DiagnosticFactory1.create(ERROR);
426    
427        // Labels
428    
429        DiagnosticFactory0<JetSimpleNameExpression> LABEL_NAME_CLASH = DiagnosticFactory0.create(WARNING);
430        DiagnosticFactory0<JetSimpleNameExpression> AMBIGUOUS_LABEL = DiagnosticFactory0.create(ERROR);
431    
432        DiagnosticFactory0<JetLabelQualifiedExpression> BREAK_OR_CONTINUE_OUTSIDE_A_LOOP = DiagnosticFactory0.create(ERROR);
433        DiagnosticFactory0<JetLabelQualifiedExpression> BREAK_OR_CONTINUE_JUMPS_ACROSS_FUNCTION_BOUNDARY = DiagnosticFactory0.create(ERROR);
434        DiagnosticFactory1<JetLabelQualifiedExpression, String> NOT_A_LOOP_LABEL = DiagnosticFactory1.create(ERROR);
435        DiagnosticFactory1<JetReturnExpression, String> NOT_A_RETURN_LABEL = DiagnosticFactory1.create(ERROR);
436    
437        // Control flow / Data flow
438    
439        DiagnosticFactory0<JetElement> UNREACHABLE_CODE = DiagnosticFactory0.create(WARNING);
440    
441        DiagnosticFactory0<JetVariableDeclaration> VARIABLE_WITH_NO_TYPE_NO_INITIALIZER = DiagnosticFactory0.create(ERROR, NAME_IDENTIFIER);
442    
443        DiagnosticFactory1<JetSimpleNameExpression, VariableDescriptor> UNINITIALIZED_VARIABLE = DiagnosticFactory1.create(ERROR);
444        DiagnosticFactory1<JetSimpleNameExpression, ValueParameterDescriptor> UNINITIALIZED_PARAMETER = DiagnosticFactory1.create(ERROR);
445    
446        DiagnosticFactory1<PsiNameIdentifierOwner, VariableDescriptor> UNUSED_VARIABLE = DiagnosticFactory1.create(WARNING, NAME_IDENTIFIER);
447        DiagnosticFactory1<PsiNameIdentifierOwner, VariableDescriptor> UNUSED_PARAMETER = DiagnosticFactory1.create(WARNING, NAME_IDENTIFIER);
448    
449        DiagnosticFactory1<PsiNameIdentifierOwner, VariableDescriptor> ASSIGNED_BUT_NEVER_ACCESSED_VARIABLE =
450                DiagnosticFactory1.create(WARNING, NAME_IDENTIFIER);
451        DiagnosticFactory1<JetExpression, DeclarationDescriptor> VARIABLE_WITH_REDUNDANT_INITIALIZER = DiagnosticFactory1.create(WARNING);
452        DiagnosticFactory2<JetElement, JetElement, DeclarationDescriptor> UNUSED_VALUE = DiagnosticFactory2.create(WARNING);
453        DiagnosticFactory1<JetElement, JetElement> UNUSED_CHANGED_VALUE = DiagnosticFactory1.create(WARNING);
454        DiagnosticFactory0<JetElement> UNUSED_EXPRESSION = DiagnosticFactory0.create(WARNING);
455        DiagnosticFactory0<JetFunctionLiteralExpression> UNUSED_FUNCTION_LITERAL = DiagnosticFactory0.create(WARNING);
456    
457        DiagnosticFactory1<JetExpression, DeclarationDescriptor> VAL_REASSIGNMENT = DiagnosticFactory1.create(ERROR);
458        DiagnosticFactory1<JetExpression, DeclarationDescriptor> SETTER_PROJECTED_OUT = DiagnosticFactory1.create(ERROR);
459    
460        DiagnosticFactory1<JetExpression, DeclarationDescriptor> INITIALIZATION_BEFORE_DECLARATION = DiagnosticFactory1.create(ERROR);
461    
462        DiagnosticFactory0<JetExpression> VARIABLE_EXPECTED = DiagnosticFactory0.create(ERROR);
463    
464        DiagnosticFactory2<JetBinaryExpression, JetBinaryExpression, Boolean> SENSELESS_COMPARISON = DiagnosticFactory2.create(WARNING);
465    
466        DiagnosticFactory0<JetElement> SENSELESS_NULL_IN_WHEN = DiagnosticFactory0.create(WARNING);
467    
468        // Nullability
469    
470        DiagnosticFactory1<PsiElement, JetType> UNSAFE_CALL = DiagnosticFactory1.create(ERROR);
471        DiagnosticFactory3<JetExpression, String, String, String> UNSAFE_INFIX_CALL = DiagnosticFactory3.create(ERROR);
472        DiagnosticFactory1<PsiElement, JetType> UNNECESSARY_SAFE_CALL = DiagnosticFactory1.create(WARNING);
473        DiagnosticFactory1<PsiElement, JetType> UNNECESSARY_NOT_NULL_ASSERTION = DiagnosticFactory1.create(WARNING);
474    
475        DiagnosticFactory1<JetExpression, JetType> USELESS_ELVIS = DiagnosticFactory1.create(WARNING);
476    
477        // Compile-time values
478    
479        DiagnosticFactory0<JetExpression> INTEGER_OVERFLOW = DiagnosticFactory0.create(WARNING);
480        DiagnosticFactory0<JetConstantExpression> WRONG_LONG_SUFFIX = DiagnosticFactory0.create(ERROR, LONG_LITERAL_SUFFIX);
481        DiagnosticFactory0<JetConstantExpression> INT_LITERAL_OUT_OF_RANGE = DiagnosticFactory0.create(ERROR);
482        DiagnosticFactory0<JetConstantExpression> FLOAT_LITERAL_OUT_OF_RANGE = DiagnosticFactory0.create(ERROR);
483        DiagnosticFactory2<JetConstantExpression, String, JetType> CONSTANT_EXPECTED_TYPE_MISMATCH = DiagnosticFactory2.create(ERROR);
484        DiagnosticFactory0<JetConstantExpression> INCORRECT_CHARACTER_LITERAL = DiagnosticFactory0.create(ERROR);
485        DiagnosticFactory0<JetConstantExpression> EMPTY_CHARACTER_LITERAL = DiagnosticFactory0.create(ERROR);
486        DiagnosticFactory1<JetConstantExpression, JetConstantExpression> TOO_MANY_CHARACTERS_IN_CHARACTER_LITERAL = DiagnosticFactory1.create(ERROR);
487        DiagnosticFactory1<JetElement, JetElement> ILLEGAL_ESCAPE = DiagnosticFactory1.create(ERROR, CUT_CHAR_QUOTES);
488        DiagnosticFactory1<JetConstantExpression, JetType> NULL_FOR_NONNULL_TYPE = DiagnosticFactory1.create(ERROR);
489        DiagnosticFactory0<JetEscapeStringTemplateEntry> ILLEGAL_ESCAPE_SEQUENCE = DiagnosticFactory0.create(ERROR);
490    
491        // Casts and is-checks
492    
493        DiagnosticFactory1<JetElement, JetType> CANNOT_CHECK_FOR_ERASED = DiagnosticFactory1.create(ERROR);
494        DiagnosticFactory2<JetBinaryExpressionWithTypeRHS, JetType, JetType> UNCHECKED_CAST = DiagnosticFactory2.create(WARNING);
495    
496        DiagnosticFactory0<JetSimpleNameExpression> USELESS_CAST_STATIC_ASSERT_IS_FINE = DiagnosticFactory0.create(WARNING);
497        DiagnosticFactory0<JetSimpleNameExpression> USELESS_CAST = DiagnosticFactory0.create(WARNING);
498        DiagnosticFactory0<JetSimpleNameExpression> CAST_NEVER_SUCCEEDS = DiagnosticFactory0.create(WARNING);
499    
500        DiagnosticFactory1<JetExpression, JetType> IMPLICIT_CAST_TO_UNIT_OR_ANY = DiagnosticFactory1.create(WARNING);
501    
502        DiagnosticFactory2<JetExpression, JetType, String> AUTOCAST_IMPOSSIBLE = DiagnosticFactory2.create(ERROR);
503    
504        DiagnosticFactory0<JetNullableType> USELESS_NULLABLE_CHECK = DiagnosticFactory0.create(WARNING, NULLABLE_TYPE);
505    
506        // Properties / locals
507    
508        DiagnosticFactory1<JetExpression, DeclarationDescriptor> INITIALIZATION_USING_BACKING_FIELD_CUSTOM_SETTER = DiagnosticFactory1.create(ERROR);
509        DiagnosticFactory1<JetExpression, DeclarationDescriptor> INITIALIZATION_USING_BACKING_FIELD_OPEN_SETTER = DiagnosticFactory1.create(ERROR);
510    
511        DiagnosticFactory0<JetTypeReference> LOCAL_EXTENSION_PROPERTY = DiagnosticFactory0.create(ERROR);
512        DiagnosticFactory0<JetPropertyAccessor> LOCAL_VARIABLE_WITH_GETTER = DiagnosticFactory0.create(ERROR);
513        DiagnosticFactory0<JetPropertyAccessor> LOCAL_VARIABLE_WITH_SETTER = DiagnosticFactory0.create(ERROR);
514    
515        DiagnosticFactory3<JetExpression, DeclarationDescriptor, Visibility, DeclarationDescriptor> INVISIBLE_SETTER = DiagnosticFactory3.create(ERROR);
516    
517        DiagnosticFactory1<PsiElement, JetKeywordToken> VAL_OR_VAR_ON_LOOP_PARAMETER = DiagnosticFactory1.create(ERROR);
518        DiagnosticFactory1<PsiElement, JetKeywordToken> VAL_OR_VAR_ON_FUN_PARAMETER = DiagnosticFactory1.create(ERROR);
519        DiagnosticFactory1<PsiElement, JetKeywordToken> VAL_OR_VAR_ON_CATCH_PARAMETER = DiagnosticFactory1.create(ERROR);
520    
521        // Backing fields
522    
523        DiagnosticFactory0<JetElement> NO_BACKING_FIELD_ABSTRACT_PROPERTY = DiagnosticFactory0.create(ERROR);
524        DiagnosticFactory0<JetElement> NO_BACKING_FIELD_CUSTOM_ACCESSORS = DiagnosticFactory0.create(ERROR);
525        DiagnosticFactory0<JetElement> INACCESSIBLE_BACKING_FIELD = DiagnosticFactory0.create(ERROR);
526        DiagnosticFactory0<JetElement> NOT_PROPERTY_BACKING_FIELD = DiagnosticFactory0.create(ERROR);
527    
528        // When expressions
529    
530        DiagnosticFactory0<JetWhenCondition> EXPECTED_CONDITION = DiagnosticFactory0.create(ERROR);
531        DiagnosticFactory0<JetWhenEntry> ELSE_MISPLACED_IN_WHEN = DiagnosticFactory0.create(ERROR, ELSE_ENTRY);
532        DiagnosticFactory0<JetWhenExpression> NO_ELSE_IN_WHEN = DiagnosticFactory0.create(ERROR, WHEN_EXPRESSION);
533    
534        // Type mismatch
535    
536        DiagnosticFactory2<JetExpression, JetType, JetType> TYPE_MISMATCH = DiagnosticFactory2.create(ERROR);
537        DiagnosticFactory1<JetExpression, JetType> RETURN_TYPE_MISMATCH = DiagnosticFactory1.create(ERROR);
538        DiagnosticFactory1<JetExpression, JetType> EXPECTED_TYPE_MISMATCH = DiagnosticFactory1.create(ERROR);
539        DiagnosticFactory1<JetBinaryExpression, JetType> ASSIGNMENT_TYPE_MISMATCH = DiagnosticFactory1.create(ERROR);
540        DiagnosticFactory2<JetTypeReference, JetType, JetType> TYPE_MISMATCH_IN_FOR_LOOP = DiagnosticFactory2.create(ERROR);
541        DiagnosticFactory1<JetElement, JetType> TYPE_MISMATCH_IN_CONDITION = DiagnosticFactory1.create(ERROR);
542        DiagnosticFactory3<JetExpression, String, JetType, JetType> RESULT_TYPE_MISMATCH = DiagnosticFactory3.create(ERROR);
543        DiagnosticFactory0<JetWhenConditionInRange> TYPE_MISMATCH_IN_RANGE = DiagnosticFactory0.create(ERROR, WHEN_CONDITION_IN_RANGE);
544    
545        DiagnosticFactory1<JetParameter, JetType> EXPECTED_PARAMETER_TYPE_MISMATCH = DiagnosticFactory1.create(ERROR);
546        DiagnosticFactory1<JetTypeReference, JetType> EXPECTED_RETURN_TYPE_MISMATCH = DiagnosticFactory1.create(ERROR);
547        DiagnosticFactory2<JetFunctionLiteral, Integer, List<JetType>> EXPECTED_PARAMETERS_NUMBER_MISMATCH =
548                DiagnosticFactory2.create(ERROR, FUNCTION_LITERAL_PARAMETERS);
549    
550        DiagnosticFactory2<JetElement, JetType, JetType> INCOMPATIBLE_TYPES = DiagnosticFactory2.create(ERROR);
551    
552        // Context tracking
553    
554        DiagnosticFactory1<JetExpression, JetExpression> EXPRESSION_EXPECTED = DiagnosticFactory1.create(ERROR);
555        DiagnosticFactory0<JetBinaryExpression> ASSIGNMENT_IN_EXPRESSION_CONTEXT = DiagnosticFactory0.create(ERROR);
556        DiagnosticFactory0<JetDeclaration> DECLARATION_IN_ILLEGAL_CONTEXT = DiagnosticFactory0.create(ERROR);
557    
558        DiagnosticFactory0<JetSimpleNameExpression> EXPRESSION_EXPECTED_PACKAGE_FOUND = DiagnosticFactory0.create(ERROR);
559    
560        DiagnosticFactory0<JetReturnExpression> RETURN_NOT_ALLOWED = DiagnosticFactory0.create(ERROR);
561        DiagnosticFactory0<JetReturnExpression> RETURN_NOT_ALLOWED_EXPLICIT_RETURN_TYPE_REQUIRED = DiagnosticFactory0.create(ERROR);
562        DiagnosticFactory0<JetReturnExpression> RETURN_IN_FUNCTION_WITH_EXPRESSION_BODY = DiagnosticFactory0.create(ERROR);
563        DiagnosticFactory0<JetDeclarationWithBody>
564                NO_RETURN_IN_FUNCTION_WITH_BLOCK_BODY = DiagnosticFactory0.create(ERROR, DECLARATION_WITH_BODY);
565    
566        DiagnosticFactory0<JetClassInitializer> ANONYMOUS_INITIALIZER_IN_TRAIT = DiagnosticFactory0.create(ERROR);
567    
568        DiagnosticFactory0<JetThisExpression> NO_THIS = DiagnosticFactory0.create(ERROR);
569        DiagnosticFactory0<JetRootPackageExpression> PACKAGE_IS_NOT_AN_EXPRESSION = DiagnosticFactory0.create(ERROR);
570        DiagnosticFactory1<JetSimpleNameExpression, ClassifierDescriptor> NO_CLASS_OBJECT = DiagnosticFactory1.create(ERROR);
571        DiagnosticFactory1<JetSimpleNameExpression, TypeParameterDescriptor> TYPE_PARAMETER_IS_NOT_AN_EXPRESSION = DiagnosticFactory1.create(ERROR);
572        DiagnosticFactory1<JetSimpleNameExpression, TypeParameterDescriptor> TYPE_PARAMETER_ON_LHS_OF_DOT = DiagnosticFactory1.create(ERROR);
573    
574        DiagnosticFactory1<PsiElement, ClassDescriptor> INACCESSIBLE_OUTER_CLASS_EXPRESSION = DiagnosticFactory1.create(ERROR);
575        DiagnosticFactory0<PsiElement> NESTED_CLASS_NOT_ALLOWED = DiagnosticFactory0.create(ERROR);
576    
577        //Inline and inlinable parameters
578        DiagnosticFactory2<JetElement, DeclarationDescriptor, DeclarationDescriptor> INVISIBLE_MEMBER_FROM_INLINE = DiagnosticFactory2.create(ERROR, CALL_ELEMENT);
579        DiagnosticFactory2<JetElement, JetNamedDeclaration, DeclarationDescriptor> NOT_YET_SUPPORTED_IN_INLINE = DiagnosticFactory2.create(ERROR);
580        DiagnosticFactory1<JetFunction, DeclarationDescriptor> NOTHING_TO_INLINE = DiagnosticFactory1.create(WARNING, NAMED_ELEMENT);
581        DiagnosticFactory2<JetElement, JetExpression, DeclarationDescriptor> USAGE_IS_NOT_INLINABLE = DiagnosticFactory2.create(ERROR);
582        DiagnosticFactory2<JetElement, JetElement, DeclarationDescriptor> NULLABLE_INLINE_PARAMETER = DiagnosticFactory2.create(ERROR);
583        DiagnosticFactory2<JetElement, JetElement, DeclarationDescriptor> RECURSION_IN_INLINE = DiagnosticFactory2.create(ERROR);
584        DiagnosticFactory0<JetElement> DECLARATION_CANT_BE_INLINED = DiagnosticFactory0.create(ERROR);
585    
586        // Error sets
587        ImmutableSet<? extends DiagnosticFactory> UNRESOLVED_REFERENCE_DIAGNOSTICS = ImmutableSet.of(
588                UNRESOLVED_REFERENCE, NAMED_PARAMETER_NOT_FOUND, UNRESOLVED_REFERENCE_WRONG_RECEIVER);
589        ImmutableSet<? extends DiagnosticFactory> UNUSED_ELEMENT_DIAGNOSTICS = ImmutableSet.of(
590                UNUSED_VARIABLE, UNUSED_PARAMETER, ASSIGNED_BUT_NEVER_ACCESSED_VARIABLE);
591        ImmutableSet<? extends DiagnosticFactory> TYPE_INFERENCE_ERRORS = ImmutableSet.of(
592                TYPE_INFERENCE_NO_INFORMATION_FOR_PARAMETER, TYPE_INFERENCE_CONFLICTING_SUBSTITUTIONS, TYPE_INFERENCE_TYPE_CONSTRUCTOR_MISMATCH,
593                TYPE_INFERENCE_UPPER_BOUND_VIOLATED, TYPE_INFERENCE_EXPECTED_TYPE_MISMATCH);
594    
595        ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
596    
597        // This field is needed to make the Initializer class load (interfaces cannot have static initializers)
598    
599        ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
600        @SuppressWarnings("UnusedDeclaration")
601        Initializer __initializer = Initializer.INSTANCE;
602    
603        class Initializer {
604            static {
605                for (Field field : Errors.class.getFields()) {
606                    if (Modifier.isStatic(field.getModifiers())) {
607                        try {
608                            Object value = field.get(null);
609                            if (value instanceof DiagnosticFactory) {
610                                DiagnosticFactory factory = (DiagnosticFactory)value;
611                                factory.setName(field.getName());
612                            }
613                        }
614                        catch (IllegalAccessException e) {
615                            throw new IllegalStateException(e);
616                        }
617                    }
618                }
619            }
620    
621            private static final Initializer INSTANCE = new Initializer();
622    
623            private Initializer() {
624            }
625        }
626    }