001 /*
002 * Copyright 2010-2016 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.rendering;
018
019 import com.intellij.openapi.extensions.ExtensionPointName;
020 import kotlin.jvm.functions.Function1;
021 import org.jetbrains.annotations.NotNull;
022 import org.jetbrains.annotations.Nullable;
023 import org.jetbrains.annotations.TestOnly;
024 import org.jetbrains.kotlin.diagnostics.Diagnostic;
025 import org.jetbrains.kotlin.diagnostics.DiagnosticFactory;
026 import org.jetbrains.kotlin.diagnostics.Errors;
027 import org.jetbrains.kotlin.diagnostics.TypeMismatchDueToTypeProjectionsData;
028 import org.jetbrains.kotlin.psi.KtExpression;
029 import org.jetbrains.kotlin.psi.KtSimpleNameExpression;
030 import org.jetbrains.kotlin.psi.KtTypeConstraint;
031 import org.jetbrains.kotlin.resolve.VarianceConflictDiagnosticData;
032 import org.jetbrains.kotlin.types.KotlinType;
033 import org.jetbrains.kotlin.util.MappedExtensionProvider;
034 import org.jetbrains.kotlin.util.OperatorNameConventions;
035
036 import java.lang.reflect.Field;
037 import java.lang.reflect.Modifier;
038 import java.util.ArrayList;
039 import java.util.List;
040
041 import static org.jetbrains.kotlin.diagnostics.Errors.*;
042 import static org.jetbrains.kotlin.diagnostics.rendering.Renderers.*;
043 import static org.jetbrains.kotlin.diagnostics.rendering.RenderingContext.of;
044
045 public class DefaultErrorMessages {
046
047 public interface Extension {
048 ExtensionPointName<Extension> EP_NAME = ExtensionPointName.create("org.jetbrains.kotlin.defaultErrorMessages");
049
050 @NotNull
051 DiagnosticFactoryToRendererMap getMap();
052 }
053
054 private static final DiagnosticFactoryToRendererMap MAP = new DiagnosticFactoryToRendererMap("Default");
055 private static final MappedExtensionProvider<Extension, List<DiagnosticFactoryToRendererMap>> RENDERER_MAPS = MappedExtensionProvider.create(
056 Extension.EP_NAME,
057 new Function1<List<? extends Extension>, List<DiagnosticFactoryToRendererMap>>() {
058 @Override
059 public List<DiagnosticFactoryToRendererMap> invoke(List<? extends Extension> extensions) {
060 List<DiagnosticFactoryToRendererMap> result = new ArrayList<DiagnosticFactoryToRendererMap>(extensions.size() + 1);
061 for (Extension extension : extensions) {
062 result.add(extension.getMap());
063 }
064 result.add(MAP);
065 return result;
066 }
067 });
068
069 @NotNull
070 public static String render(@NotNull Diagnostic diagnostic) {
071 for (DiagnosticFactoryToRendererMap map : RENDERER_MAPS.get()) {
072 DiagnosticRenderer renderer = map.get(diagnostic.getFactory());
073 if (renderer != null) {
074 //noinspection unchecked
075 return renderer.render(diagnostic);
076 }
077 }
078 throw new IllegalArgumentException("Don't know how to render diagnostic of type " + diagnostic.getFactory().getName() +
079 " with the following renderer maps: " + RENDERER_MAPS.get());
080 }
081
082 @TestOnly
083 @Nullable
084 public static DiagnosticRenderer getRendererForDiagnostic(@NotNull Diagnostic diagnostic) {
085 for (DiagnosticFactoryToRendererMap map : RENDERER_MAPS.get()) {
086 DiagnosticRenderer renderer = map.get(diagnostic.getFactory());
087
088 if (renderer != null) return renderer;
089 }
090
091 return null;
092 }
093
094 static {
095 MAP.put(UNRESOLVED_REFERENCE, "Unresolved reference: {0}", ELEMENT_TEXT);
096
097 MAP.put(INVISIBLE_REFERENCE, "Cannot access ''{0}'': it is {1} in {2}", NAME, VISIBILITY, NAME_OF_PARENT_OR_FILE);
098 MAP.put(INVISIBLE_MEMBER, "Cannot access ''{0}'': it is {1} in {2}", NAME, VISIBILITY, NAME_OF_PARENT_OR_FILE);
099
100 MAP.put(PROTECTED_CONSTRUCTOR_NOT_IN_SUPER_CALL, "Protected constructor ''{0}'' from other classes can only be used in super-call", Renderers.SHORT_NAMES_IN_TYPES);
101
102 MAP.put(EXPOSED_PROPERTY_TYPE, "''{0}'' property exposes its ''{2}'' type{1}", TO_STRING, TO_STRING, TO_STRING);
103 MAP.put(EXPOSED_FUNCTION_RETURN_TYPE, "''{0}'' function exposes its ''{2}'' return type{1}", TO_STRING, TO_STRING, TO_STRING);
104 MAP.put(EXPOSED_PARAMETER_TYPE, "''{0}'' function exposes its ''{2}'' parameter type{1}", TO_STRING, TO_STRING, TO_STRING);
105 MAP.put(EXPOSED_RECEIVER_TYPE, "''{0}'' member exposes its ''{2}'' receiver type{1}", TO_STRING, TO_STRING, TO_STRING);
106 MAP.put(EXPOSED_TYPE_PARAMETER_BOUND, "''{0}'' generic exposes its ''{2}'' parameter bound type{1}", TO_STRING, TO_STRING, TO_STRING);
107 MAP.put(EXPOSED_SUPER_CLASS, "''{0}'' subclass exposes its ''{2}'' supertype{1}", TO_STRING, TO_STRING, TO_STRING);
108 MAP.put(EXPOSED_SUPER_INTERFACE, "''{0}'' sub-interface exposes its ''{2}'' supertype{1}", TO_STRING, TO_STRING, TO_STRING);
109
110 MAP.put(INACCESSIBLE_TYPE, "Type {0} is inaccessible in this context due to: {1}", RENDER_TYPE, RENDER_COLLECTION_OF_TYPES);
111
112 MAP.put(REDECLARATION, "Redeclaration: {0}", STRING);
113 MAP.put(NAME_SHADOWING, "Name shadowed: {0}", STRING);
114 MAP.put(ACCESSOR_PARAMETER_NAME_SHADOWING, "Accessor parameter name 'field' is shadowed by backing field variable");
115
116 MAP.put(TYPE_MISMATCH, "Type mismatch: inferred type is {1} but {0} was expected", RENDER_TYPE, RENDER_TYPE);
117 MAP.put(TYPE_MISMATCH_DUE_TO_TYPE_PROJECTIONS,
118 "Type mismatch: inferred type is {1} but {0} was expected. Projected type {2} restricts use of {3}",
119 new MultiRenderer<TypeMismatchDueToTypeProjectionsData>() {
120 @NotNull
121 @Override
122 public String[] render(@NotNull TypeMismatchDueToTypeProjectionsData object) {
123 RenderingContext context =
124 of(object.getExpectedType(), object.getExpressionType(), object.getReceiverType(), object.getCallableDescriptor());
125 return new String[] {
126 RENDER_TYPE.render(object.getExpectedType(), context),
127 RENDER_TYPE.render(object.getExpressionType(), context),
128 RENDER_TYPE.render(object.getReceiverType(), context),
129 FQ_NAMES_IN_TYPES.render(object.getCallableDescriptor(), context)
130 };
131 }
132 });
133
134 MAP.put(MEMBER_PROJECTED_OUT, "Out-projected type ''{1}'' prohibits the use of ''{0}''", FQ_NAMES_IN_TYPES, RENDER_TYPE);
135 MAP.put(INCOMPATIBLE_MODIFIERS, "Modifier ''{0}'' is incompatible with ''{1}''", TO_STRING, TO_STRING);
136 MAP.put(DEPRECATED_MODIFIER_PAIR, "Modifier ''{0}'' is deprecated in presence of ''{1}''", TO_STRING, TO_STRING);
137 MAP.put(REPEATED_MODIFIER, "Repeated ''{0}''", TO_STRING);
138 MAP.put(WRONG_MODIFIER_TARGET, "Modifier ''{0}'' is not applicable to ''{1}''", TO_STRING, TO_STRING);
139 MAP.put(DEPRECATED_MODIFIER_FOR_TARGET, "Modifier ''{0}'' is deprecated for ''{1}''", TO_STRING, TO_STRING);
140 MAP.put(REDUNDANT_MODIFIER_FOR_TARGET, "Modifier ''{0}'' is redundant for ''{1}''", TO_STRING, TO_STRING);
141 MAP.put(WRONG_MODIFIER_CONTAINING_DECLARATION, "Modifier ''{0}'' is not applicable inside ''{1}''", TO_STRING, TO_STRING);
142 MAP.put(DEPRECATED_MODIFIER_CONTAINING_DECLARATION, "Modifier ''{0}'' is deprecated inside ''{1}''", TO_STRING, TO_STRING);
143 MAP.put(ILLEGAL_INLINE_PARAMETER_MODIFIER, "Modifier ''{0}'' is allowed only for function parameters of an inline function", TO_STRING);
144 MAP.put(WRONG_ANNOTATION_TARGET, "This annotation is not applicable to target ''{0}''", TO_STRING);
145 MAP.put(WRONG_ANNOTATION_TARGET_WITH_USE_SITE_TARGET, "This annotation is not applicable to target ''{0}'' and use site target ''@{1}''", TO_STRING, TO_STRING);
146 MAP.put(REPEATED_ANNOTATION, "This annotation is not repeatable");
147 MAP.put(NON_SOURCE_ANNOTATION_ON_INLINED_LAMBDA_EXPRESSION, "The lambda expression here is an inlined argument so this annotation cannot be stored anywhere");
148
149 MAP.put(INAPPLICABLE_TARGET_ON_PROPERTY, "''@{0}:'' annotations could be applied only to property declarations", TO_STRING);
150 MAP.put(INAPPLICABLE_TARGET_PROPERTY_IMMUTABLE, "''@{0}:'' annotations could be applied only to mutable properties", TO_STRING);
151 MAP.put(INAPPLICABLE_TARGET_PROPERTY_HAS_NO_DELEGATE, "'@delegate:' annotations could be applied only to delegated properties");
152 MAP.put(INAPPLICABLE_TARGET_PROPERTY_HAS_NO_BACKING_FIELD, "'@field:' annotations could be applied only to properties with backing fields");
153 MAP.put(INAPPLICABLE_RECEIVER_TARGET, "'@receiver:' annotations could be applied only to extension function or extension property declarations");
154 MAP.put(INAPPLICABLE_PARAM_TARGET, "'@param:' annotations could be applied only to primary constructor parameters");
155 MAP.put(REDUNDANT_ANNOTATION_TARGET, "Redundant annotation target ''{0}''", STRING);
156
157 MAP.put(REDUNDANT_MODIFIER, "Modifier ''{0}'' is redundant because ''{1}'' is present", TO_STRING, TO_STRING);
158 MAP.put(REDUNDANT_OPEN_IN_INTERFACE, "Modifier 'open' is redundant for abstract interface members");
159 MAP.put(REDUNDANT_MODIFIER_IN_GETTER, "Visibility modifiers are redundant in getter");
160 MAP.put(TYPE_PARAMETERS_IN_ENUM, "Enum class cannot have type parameters");
161 MAP.put(TYPECHECKER_HAS_RUN_INTO_RECURSIVE_PROBLEM,
162 "Type checking has run into a recursive problem. Easiest workaround: specify types of your declarations explicitly"); // TODO: message
163 MAP.put(RETURN_NOT_ALLOWED, "'return' is not allowed here");
164 MAP.put(PROJECTION_IN_IMMEDIATE_ARGUMENT_TO_SUPERTYPE, "Projections are not allowed for immediate arguments of a supertype");
165 MAP.put(LABEL_NAME_CLASH, "There is more than one label with such a name in this scope");
166 MAP.put(EXPRESSION_EXPECTED_PACKAGE_FOUND, "Expression expected, but a package name found");
167
168 MAP.put(CANNOT_ALL_UNDER_IMPORT_FROM_SINGLETON, "Cannot import-on-demand from object ''{0}''", NAME);
169 MAP.put(CANNOT_BE_IMPORTED, "Cannot import ''{0}'', functions and properties can be imported only from packages or objects", TO_STRING);
170 MAP.put(PACKAGE_CANNOT_BE_IMPORTED, "Packages cannot be imported");
171 MAP.put(CONFLICTING_IMPORT, "Conflicting import, imported name ''{0}'' is ambiguous", STRING);
172 MAP.put(PLATFORM_CLASS_MAPPED_TO_KOTLIN, "This class shouldn''t be used in Kotlin. Use {0} instead.", CLASSES_OR_SEPARATED);
173
174 MAP.put(CANNOT_INFER_PARAMETER_TYPE, "Cannot infer a type for this parameter. Please specify it explicitly.");
175
176 MAP.put(MIXING_NAMED_AND_POSITIONED_ARGUMENTS, "Mixing named and positioned arguments is not allowed");
177 MAP.put(ARGUMENT_PASSED_TWICE, "An argument is already passed for this parameter");
178 MAP.put(NAMED_PARAMETER_NOT_FOUND, "Cannot find a parameter with this name: {0}", ELEMENT_TEXT);
179 MAP.put(NAMED_ARGUMENTS_NOT_ALLOWED, "Named arguments are not allowed for {0}", new DiagnosticParameterRenderer<BadNamedArgumentsTarget>() {
180 @NotNull
181 @Override
182 public String render(@NotNull BadNamedArgumentsTarget target, @NotNull RenderingContext context) {
183 switch (target) {
184 case NON_KOTLIN_FUNCTION:
185 return "non-Kotlin functions";
186 case INVOKE_ON_FUNCTION_TYPE:
187 return "function types";
188 default:
189 throw new AssertionError(target);
190 }
191 }
192 });
193
194 MAP.put(VARARG_OUTSIDE_PARENTHESES, "Passing value as a vararg is only allowed inside a parenthesized argument list");
195 MAP.put(NON_VARARG_SPREAD, "The spread operator (*foo) may only be applied in a vararg position");
196 MAP.put(SPREAD_OF_NULLABLE, "The spread operator (*foo) may not be applied to an argument of nullable type");
197
198 MAP.put(MANY_LAMBDA_EXPRESSION_ARGUMENTS, "Only one lambda expression is allowed outside a parenthesized argument list");
199 MAP.put(PROPERTY_WITH_NO_TYPE_NO_INITIALIZER, "This property must either have a type annotation, be initialized or be delegated");
200 MAP.put(VARIABLE_WITH_NO_TYPE_NO_INITIALIZER, "This variable must either have a type annotation or be initialized");
201
202 MAP.put(INITIALIZER_REQUIRED_FOR_DESTRUCTURING_DECLARATION, "Initializer required for destructuring declaration");
203 MAP.put(COMPONENT_FUNCTION_MISSING, "Destructuring declaration initializer of type {1} must have a ''{0}()'' function", TO_STRING, RENDER_TYPE);
204 MAP.put(COMPONENT_FUNCTION_ON_NULLABLE, "Not nullable value required to call ''{0}()'' function of destructuring declaration initializer", TO_STRING);
205 MAP.put(COMPONENT_FUNCTION_AMBIGUITY, "Function ''{0}()'' is ambiguous for this expression: {1}", TO_STRING, AMBIGUOUS_CALLS);
206 MAP.put(COMPONENT_FUNCTION_RETURN_TYPE_MISMATCH, "''{0}()'' function returns ''{1}'', but ''{2}'' is expected",
207 TO_STRING, RENDER_TYPE, RENDER_TYPE);
208
209 MAP.put(ABSTRACT_PROPERTY_IN_PRIMARY_CONSTRUCTOR_PARAMETERS, "This property cannot be declared abstract");
210 MAP.put(ABSTRACT_PROPERTY_WITH_INITIALIZER, "Property with initializer cannot be abstract");
211 MAP.put(ABSTRACT_PROPERTY_WITH_GETTER, "Property with getter implementation cannot be abstract");
212 MAP.put(ABSTRACT_PROPERTY_WITH_SETTER, "Property with setter implementation cannot be abstract");
213
214 MAP.put(ABSTRACT_DELEGATED_PROPERTY, "Delegated property cannot be abstract");
215 MAP.put(ACCESSOR_FOR_DELEGATED_PROPERTY, "Delegated property cannot have accessors with non-default implementations");
216 MAP.put(DELEGATED_PROPERTY_IN_INTERFACE, "Delegated properties are not allowed in interfaces");
217 MAP.put(LOCAL_VARIABLE_WITH_DELEGATE, "Local variables are not allowed to have delegates");
218
219 MAP.put(INAPPLICABLE_LATEINIT_MODIFIER, "''lateinit'' modifier {0}", STRING);
220
221 MAP.put(GETTER_VISIBILITY_DIFFERS_FROM_PROPERTY_VISIBILITY, "Getter visibility must be the same as property visibility");
222 MAP.put(SETTER_VISIBILITY_INCONSISTENT_WITH_PROPERTY_VISIBILITY, "Setter visibility must be the same or less permissive than property visibility");
223 MAP.put(PRIVATE_SETTER_FOR_ABSTRACT_PROPERTY, "Private setters are not allowed for abstract properties");
224 MAP.put(PRIVATE_SETTER_FOR_OPEN_PROPERTY, "Private setters are not allowed for open properties");
225 MAP.put(BACKING_FIELD_IN_INTERFACE, "Property in an interface cannot have a backing field");
226 MAP.put(MUST_BE_INITIALIZED, "Property must be initialized");
227 MAP.put(MUST_BE_INITIALIZED_OR_BE_ABSTRACT, "Property must be initialized or be abstract");
228 MAP.put(PROPERTY_INITIALIZER_IN_INTERFACE, "Property initializers are not allowed in interfaces");
229 MAP.put(PRIVATE_PROPERTY_IN_INTERFACE, "Abstract property in an interface cannot be private");
230 MAP.put(EXTENSION_PROPERTY_WITH_BACKING_FIELD, "Extension property cannot be initialized because it has no backing field");
231 MAP.put(PROPERTY_INITIALIZER_NO_BACKING_FIELD, "Initializer is not allowed here because this property has no backing field");
232 MAP.put(ABSTRACT_PROPERTY_IN_NON_ABSTRACT_CLASS, "Abstract property ''{0}'' in non-abstract class ''{1}''", STRING, NAME);
233 MAP.put(ABSTRACT_FUNCTION_IN_NON_ABSTRACT_CLASS, "Abstract function ''{0}'' in non-abstract class ''{1}''", STRING, NAME);
234 MAP.put(ABSTRACT_FUNCTION_WITH_BODY, "A function ''{0}'' with body cannot be abstract", NAME);
235 MAP.put(NON_ABSTRACT_FUNCTION_WITH_NO_BODY, "Function ''{0}'' without a body must be abstract", NAME);
236 MAP.put(PRIVATE_FUNCTION_WITH_NO_BODY, "Function ''{0}'' without body cannot be private", NAME);
237
238 MAP.put(NON_MEMBER_FUNCTION_NO_BODY, "Function ''{0}'' must have a body", NAME);
239 MAP.put(FUNCTION_DECLARATION_WITH_NO_NAME, "Function declaration must have a name");
240 MAP.put(ANONYMOUS_FUNCTION_WITH_NAME, "Anonymous functions with names are prohibited");
241 MAP.put(NON_FINAL_MEMBER_IN_FINAL_CLASS, "'open' has no effect in a final class");
242 MAP.put(NON_FINAL_MEMBER_IN_OBJECT, "'open' has no effect in an object");
243
244 MAP.put(ANONYMOUS_FUNCTION_PARAMETER_WITH_DEFAULT_VALUE, "An anonymous function is not allowed to specify default values for its parameters");
245 MAP.put(USELESS_VARARG_ON_PARAMETER, "Vararg on this parameter is useless");
246 MAP.put(MULTIPLE_VARARG_PARAMETERS, "Multiple vararg-parameters are prohibited");
247
248 MAP.put(PROJECTION_ON_NON_CLASS_TYPE_ARGUMENT, "Projections are not allowed on type arguments of functions and properties");
249 MAP.put(SUPERTYPE_NOT_INITIALIZED, "This type has a constructor, and thus must be initialized here");
250 MAP.put(NOTHING_TO_OVERRIDE, "''{0}'' overrides nothing", NAME);
251 MAP.put(VIRTUAL_MEMBER_HIDDEN, "''{0}'' hides member of supertype ''{2}'' and needs ''override'' modifier", NAME, NAME, NAME);
252
253 MAP.put(DATA_CLASS_OVERRIDE_CONFLICT, "Function ''{0}'' generated for the data class conflicts with member of supertype ''{1}''", NAME, NAME);
254
255 MAP.put(CANNOT_OVERRIDE_INVISIBLE_MEMBER, "''{0}'' has no access to ''{1}'', so it cannot override it", FQ_NAMES_IN_TYPES,
256 FQ_NAMES_IN_TYPES);
257 MAP.put(CANNOT_INFER_VISIBILITY, "Cannot infer visibility for ''{0}''. Please specify it explicitly", COMPACT);
258
259 MAP.put(ENUM_ENTRY_SHOULD_BE_INITIALIZED, "Enum has no default constructor, use 'entry(parameters)'");
260
261 MAP.put(UNINITIALIZED_VARIABLE, "Variable ''{0}'' must be initialized", NAME);
262 MAP.put(UNINITIALIZED_PARAMETER, "Parameter ''{0}'' is uninitialized here", NAME);
263 MAP.put(UNINITIALIZED_ENUM_ENTRY, "Enum entry ''{0}'' is uninitialized here", NAME);
264 MAP.put(UNINITIALIZED_ENUM_COMPANION, "Companion object of enum class ''{0}'' is uninitialized here", NAME);
265 MAP.put(UNUSED_VARIABLE, "Variable ''{0}'' is never used", NAME);
266 MAP.put(UNUSED_PARAMETER, "Parameter ''{0}'' is never used", NAME);
267 MAP.put(ASSIGNED_BUT_NEVER_ACCESSED_VARIABLE, "Variable ''{0}'' is assigned but never accessed", NAME);
268 MAP.put(VARIABLE_WITH_REDUNDANT_INITIALIZER, "Variable ''{0}'' initializer is redundant", NAME);
269 MAP.put(UNUSED_VALUE, "The value ''{0}'' assigned to ''{1}'' is never used", ELEMENT_TEXT, FQ_NAMES_IN_TYPES);
270 MAP.put(UNUSED_CHANGED_VALUE, "The value changed at ''{0}'' is never used", ELEMENT_TEXT);
271 MAP.put(UNUSED_EXPRESSION, "The expression is unused");
272 MAP.put(UNUSED_LAMBDA_EXPRESSION, "The lambda expression is unused. If you mean a block, you can use 'run { ... }'");
273
274 MAP.put(VAL_REASSIGNMENT, "Val cannot be reassigned", NAME);
275 MAP.put(VAL_REASSIGNMENT_IN_CATCH, "Deprecated: val is assigned in try and then reassigned in catch", NAME);
276 MAP.put(CAPTURED_VAL_INITIALIZATION, "Captured values initialization is forbidden due to possible reassignment", NAME);
277 MAP.put(SETTER_PROJECTED_OUT, "Setter for ''{0}'' is removed by type projection", NAME);
278 MAP.put(INVISIBLE_SETTER, "Cannot assign to ''{0}'': the setter is {1} in {2}", NAME, VISIBILITY, NAME_OF_PARENT_OR_FILE);
279 MAP.put(INITIALIZATION_BEFORE_DECLARATION, "Variable cannot be initialized before declaration", NAME);
280 MAP.put(VARIABLE_EXPECTED, "Variable expected");
281
282 MAP.put(VAL_OR_VAR_ON_LOOP_PARAMETER, "''{0}'' on loop parameter is not allowed", TO_STRING);
283 MAP.put(VAL_OR_VAR_ON_LOOP_MULTI_PARAMETER, "''{0}'' on loop multi parameter is not allowed", TO_STRING);
284 MAP.put(VAL_OR_VAR_ON_FUN_PARAMETER, "''{0}'' on function parameter is not allowed", TO_STRING);
285 MAP.put(VAL_OR_VAR_ON_CATCH_PARAMETER, "''{0}'' on catch parameter is not allowed", TO_STRING);
286 MAP.put(VAL_OR_VAR_ON_SECONDARY_CONSTRUCTOR_PARAMETER, "''{0}'' on secondary constructor parameter is not allowed", TO_STRING);
287
288 MAP.put(UNREACHABLE_CODE, "Unreachable code", TO_STRING);
289
290 MAP.put(MANY_COMPANION_OBJECTS, "Only one companion object is allowed per class");
291
292 MAP.put(DEPRECATION, "''{0}'' is deprecated. {1}", DEPRECATION_RENDERER, STRING);
293 MAP.put(DEPRECATION_ERROR, "Using ''{0}'' is an error. {1}", DEPRECATION_RENDERER, STRING);
294
295 MAP.put(LOCAL_OBJECT_NOT_ALLOWED, "Named object ''{0}'' is a singleton and cannot be local. Try to use anonymous object instead", NAME);
296 MAP.put(LOCAL_INTERFACE_NOT_ALLOWED, "''{0}'' is an interface so it cannot be local. Try to use anonymous object or abstract class instead", NAME);
297 MAP.put(ENUM_CLASS_CONSTRUCTOR_CALL, "Enum types cannot be instantiated");
298 MAP.put(SEALED_CLASS_CONSTRUCTOR_CALL, "Sealed types cannot be instantiated");
299
300 MAP.put(DELEGATION_IN_INTERFACE, "Interfaces cannot use delegation");
301 MAP.put(DELEGATION_NOT_TO_INTERFACE, "Only interfaces can be delegated to");
302 MAP.put(NO_CONSTRUCTOR, "This class does not have a constructor");
303 MAP.put(NOT_A_CLASS, "Not a class");
304 MAP.put(ILLEGAL_ESCAPE_SEQUENCE, "Illegal escape sequence");
305
306 MAP.put(LOCAL_EXTENSION_PROPERTY, "Local extension properties are not allowed");
307 MAP.put(LOCAL_VARIABLE_WITH_GETTER, "Local variables are not allowed to have getters");
308 MAP.put(LOCAL_VARIABLE_WITH_SETTER, "Local variables are not allowed to have setters");
309 MAP.put(VAL_WITH_SETTER, "A 'val'-property cannot have a setter");
310
311 MAP.put(NO_GET_METHOD, "No get method providing array access");
312 MAP.put(NO_SET_METHOD, "No set method providing array access");
313
314 MAP.put(INC_DEC_SHOULD_NOT_RETURN_UNIT, "Functions inc(), dec() shouldn't return Unit to be used by operators ++, --");
315 MAP.put(ASSIGNMENT_OPERATOR_SHOULD_RETURN_UNIT, "Function ''{0}'' should return Unit to be used by corresponding operator ''{1}''",
316 NAME, ELEMENT_TEXT);
317 MAP.put(ASSIGN_OPERATOR_AMBIGUITY, "Assignment operators ambiguity: {0}", AMBIGUOUS_CALLS);
318
319 MAP.put(EQUALS_MISSING, "No method 'equals(Any?): Boolean' available");
320 MAP.put(ASSIGNMENT_IN_EXPRESSION_CONTEXT, "Assignments are not expressions, and only expressions are allowed in this context");
321 MAP.put(SUPER_IS_NOT_AN_EXPRESSION, "''{0}'' is not an expression, it can only be used on the left-hand side of a dot (''.'')", STRING);
322 MAP.put(SUPER_CANT_BE_EXTENSION_RECEIVER, "''{0}'' is not an expression, it can not be used as a receiver for extension functions", STRING);
323 MAP.put(DECLARATION_IN_ILLEGAL_CONTEXT, "Declarations are not allowed in this position");
324 MAP.put(SETTER_PARAMETER_WITH_DEFAULT_VALUE, "Setter parameters cannot have default values");
325 MAP.put(NO_THIS, "'this' is not defined in this context");
326 MAP.put(SUPER_NOT_AVAILABLE, "No supertypes are accessible in this context");
327 MAP.put(SUPERCLASS_NOT_ACCESSIBLE_FROM_INTERFACE, "Superclass is not accessible from interface");
328 MAP.put(AMBIGUOUS_SUPER, "Many supertypes available, please specify the one you mean in angle brackets, e.g. 'super<Foo>'");
329 MAP.put(ABSTRACT_SUPER_CALL, "Abstract member cannot be accessed directly");
330 MAP.put(NOT_A_SUPERTYPE, "Not an immediate supertype");
331 MAP.put(TYPE_ARGUMENTS_REDUNDANT_IN_SUPER_QUALIFIER, "Type arguments do not need to be specified in a 'super' qualifier");
332 MAP.put(QUALIFIED_SUPERTYPE_EXTENDED_BY_OTHER_SUPERTYPE, "Explicitly qualified supertype is extended by another supertype ''{0}''", RENDER_TYPE);
333 MAP.put(USELESS_CAST, "No cast needed");
334 MAP.put(CAST_NEVER_SUCCEEDS, "This cast can never succeed");
335 MAP.put(DYNAMIC_NOT_ALLOWED, "Dynamic types are not allowed in this position");
336 MAP.put(IS_ENUM_ENTRY, "'is' over enum entry is not allowed, use comparison instead");
337 MAP.put(ENUM_ENTRY_AS_TYPE, "Use of enum entry names as types is not allowed, use enum type instead");
338 MAP.put(USELESS_NULLABLE_CHECK, "Non-null type is checked for instance of nullable type");
339 MAP.put(WRONG_SETTER_PARAMETER_TYPE, "Setter parameter type must be equal to the type of the property, i.e. ''{0}''", RENDER_TYPE, RENDER_TYPE);
340 MAP.put(WRONG_GETTER_RETURN_TYPE, "Getter return type must be equal to the type of the property, i.e. ''{0}''", RENDER_TYPE, RENDER_TYPE);
341 MAP.put(WRONG_SETTER_RETURN_TYPE, "Setter return type must be Unit");
342 MAP.put(NO_COMPANION_OBJECT, "Please specify constructor invocation; classifier ''{0}'' does not have a companion object", NAME);
343 MAP.put(TYPE_PARAMETER_IS_NOT_AN_EXPRESSION, "Type parameter ''{0}'' is not an expression", NAME);
344 MAP.put(TYPE_PARAMETER_ON_LHS_OF_DOT, "Type parameter ''{0}'' cannot have or inherit a companion object, so it cannot be on the left hand side of dot", NAME);
345 MAP.put(NO_GENERICS_IN_SUPERTYPE_SPECIFIER, "Generic arguments of the base type must be specified");
346 MAP.put(NESTED_CLASS_ACCESSED_VIA_INSTANCE_REFERENCE, "Nested {0} accessed via instance reference", RENDER_CLASS_OR_OBJECT_NAME);
347 MAP.put(NESTED_CLASS_SHOULD_BE_QUALIFIED, "Nested {0} should be qualified as ''{1}''", RENDER_CLASS_OR_OBJECT_NAME, TO_STRING);
348
349 MAP.put(INACCESSIBLE_OUTER_CLASS_EXPRESSION, "Expression is inaccessible from a nested class ''{0}'', use ''inner'' keyword to make the class inner", NAME);
350 MAP.put(NESTED_CLASS_NOT_ALLOWED, "Nested class is not allowed here, use 'inner' keyword to make the class inner");
351
352 MAP.put(HAS_NEXT_MISSING, "hasNext() cannot be called on iterator() of type ''{0}''", RENDER_TYPE);
353 MAP.put(HAS_NEXT_FUNCTION_AMBIGUITY, "hasNext() is ambiguous for iterator() of type ''{0}''", RENDER_TYPE);
354 MAP.put(HAS_NEXT_FUNCTION_NONE_APPLICABLE, "None of the hasNext() functions is applicable for iterator() of type ''{0}''", RENDER_TYPE);
355 MAP.put(HAS_NEXT_FUNCTION_TYPE_MISMATCH, "The ''iterator().hasNext()'' function of the loop range must return Boolean, but returns {0}", RENDER_TYPE);
356
357 MAP.put(NEXT_MISSING, "''next()'' cannot be called on ''iterator()'' of type ''{0}''", RENDER_TYPE);
358 MAP.put(NEXT_AMBIGUITY, "''next()'' is ambiguous for ''iterator()'' of type ''{0}''", RENDER_TYPE);
359 MAP.put(NEXT_NONE_APPLICABLE, "None of the ''next()'' functions is applicable for ''iterator()'' of type ''{0}''", RENDER_TYPE);
360
361 MAP.put(ITERATOR_MISSING, "For-loop range must have an 'iterator()' method");
362 MAP.put(ITERATOR_ON_NULLABLE, "Not nullable value required to call an 'iterator()' method on for-loop range");
363 MAP.put(ITERATOR_AMBIGUITY, "Method ''iterator()'' is ambiguous for this expression: {0}", AMBIGUOUS_CALLS);
364
365 MAP.put(DELEGATE_SPECIAL_FUNCTION_MISSING, "Missing ''{0}'' method on delegate of type ''{1}''", STRING, RENDER_TYPE);
366 MAP.put(DELEGATE_SPECIAL_FUNCTION_AMBIGUITY, "Overload resolution ambiguity on method ''{0}'': {1}", STRING, AMBIGUOUS_CALLS);
367 MAP.put(DELEGATE_SPECIAL_FUNCTION_NONE_APPLICABLE, "Property delegate must have a ''{0}'' method. None of the following functions is suitable: {1}",
368 STRING, AMBIGUOUS_CALLS);
369 MAP.put(DELEGATE_SPECIAL_FUNCTION_RETURN_TYPE_MISMATCH, "The ''{0}'' function of property delegate is expected to return ''{1}'', but returns ''{2}''",
370 STRING, RENDER_TYPE, RENDER_TYPE);
371 MAP.put(DELEGATE_PD_METHOD_NONE_APPLICABLE, "''{0}'' method may be missing. None of the following functions will be called: {1}", STRING, AMBIGUOUS_CALLS);
372
373 MAP.put(COMPARE_TO_TYPE_MISMATCH, "''compareTo()'' must return Int, but returns {0}", RENDER_TYPE);
374
375 MAP.put(UNDERSCORE_IS_RESERVED, "Names _, __, ___, ..., are reserved in Kotlin");
376 MAP.put(INVALID_CHARACTERS, "Name {0}", STRING);
377
378 MAP.put(INAPPLICABLE_OPERATOR_MODIFIER, "''operator'' modifier is inapplicable on this function: {0}", STRING);
379 MAP.put(INAPPLICABLE_INFIX_MODIFIER, "''infix'' modifier is inapplicable on this function: {0}", STRING);
380
381 MAP.put(OPERATOR_MODIFIER_REQUIRED, "''operator'' modifier is required on ''{0}'' in ''{1}''", NAME, STRING);
382 MAP.put(INFIX_MODIFIER_REQUIRED, "''infix'' modifier is required on ''{0}'' in ''{1}''", NAME, STRING);
383
384 MAP.put(RETURN_IN_FUNCTION_WITH_EXPRESSION_BODY,
385 "Returns are not allowed for functions with expression body. Use block body in '{...}'");
386 MAP.put(NO_RETURN_IN_FUNCTION_WITH_BLOCK_BODY, "A 'return' expression required in a function with a block body ('{...}')");
387 MAP.put(RETURN_TYPE_MISMATCH, "This function must return a value of type {0}", RENDER_TYPE);
388 MAP.put(EXPECTED_TYPE_MISMATCH, "Expected a value of type {0}", RENDER_TYPE);
389 MAP.put(ASSIGNMENT_TYPE_MISMATCH,
390 "Expected a value of type {0}. Assignment operation is not an expression, so it does not return any value", RENDER_TYPE);
391
392 MAP.put(EXPECTED_PARAMETER_TYPE_MISMATCH, "Expected parameter of type {0}", RENDER_TYPE);
393 MAP.put(EXPECTED_PARAMETERS_NUMBER_MISMATCH, "Expected {0,choice,0#no parameters|1#one parameter of type|1<{0,number,integer} parameters of types} {1}", null, RENDER_COLLECTION_OF_TYPES);
394
395 MAP.put(IMPLICIT_CAST_TO_ANY, "Conditional branch result of type {0} is implicitly cast to {1}",
396 RENDER_TYPE, RENDER_TYPE);
397 MAP.put(EXPRESSION_EXPECTED, "{0} is not an expression, and only expressions are allowed here", new DiagnosticParameterRenderer<KtExpression>() {
398 @NotNull
399 @Override
400 public String render(@NotNull KtExpression expression, @NotNull RenderingContext context) {
401 String expressionType = expression.toString();
402 return expressionType.substring(0, 1) +
403 expressionType.substring(1).toLowerCase();
404 }
405 });
406
407 MAP.put(UPPER_BOUND_VIOLATED, "Type argument is not within its bounds: should be subtype of ''{0}''", RENDER_TYPE, RENDER_TYPE);
408 MAP.put(FINAL_UPPER_BOUND, "''{0}'' is a final type, and thus a value of the type parameter is predetermined", RENDER_TYPE);
409 MAP.put(UPPER_BOUND_IS_EXTENSION_FUNCTION_TYPE, "Extension function type can not be used as an upper bound");
410 MAP.put(ONLY_ONE_CLASS_BOUND_ALLOWED, "Only one of the upper bounds can be a class");
411 MAP.put(BOUNDS_NOT_ALLOWED_IF_BOUNDED_BY_TYPE_PARAMETER, "Type parameter cannot have any other bounds if it's bounded by another type parameter");
412 MAP.put(REPEATED_BOUND, "Type parameter already has this bound");
413 MAP.put(DYNAMIC_UPPER_BOUND, "Dynamic type can not be used as an upper bound");
414 MAP.put(USELESS_ELVIS, "Elvis operator (?:) always returns the left operand of non-nullable type {0}", RENDER_TYPE);
415 MAP.put(USELESS_ELVIS_ON_LAMBDA_EXPRESSION, "Left operand of elvis operator (?:) is a lambda expression");
416 MAP.put(CONFLICTING_UPPER_BOUNDS, "Upper bounds of {0} have empty intersection", NAME);
417
418 MAP.put(TOO_MANY_ARGUMENTS, "Too many arguments for {0}", FQ_NAMES_IN_TYPES);
419
420 MAP.put(CONSTANT_EXPECTED_TYPE_MISMATCH, "The {0} literal does not conform to the expected type {1}", STRING, RENDER_TYPE);
421 MAP.put(DIVISION_BY_ZERO, "Division by zero");
422 MAP.put(INTEGER_OVERFLOW, "This operation has led to an overflow");
423 MAP.put(INT_LITERAL_OUT_OF_RANGE, "The value is out of range");
424 MAP.put(WRONG_LONG_SUFFIX, "Use 'L' instead of 'l'");
425 MAP.put(FLOAT_LITERAL_OUT_OF_RANGE, "The value is out of range");
426 MAP.put(INCORRECT_CHARACTER_LITERAL, "Incorrect character literal");
427 MAP.put(EMPTY_CHARACTER_LITERAL, "Empty character literal");
428 MAP.put(TOO_MANY_CHARACTERS_IN_CHARACTER_LITERAL, "Too many characters in a character literal ''{0}''", ELEMENT_TEXT);
429 MAP.put(ILLEGAL_ESCAPE, "Illegal escape: ''{0}''", ELEMENT_TEXT);
430 MAP.put(NULL_FOR_NONNULL_TYPE, "Null can not be a value of a non-null type {0}", RENDER_TYPE);
431
432 MAP.put(ELSE_MISPLACED_IN_WHEN, "'else' entry must be the last one in a when-expression");
433 MAP.put(COMMA_IN_WHEN_CONDITION_WITHOUT_ARGUMENT, "Deprecated syntax. Use '||' instead of commas in when-condition for 'when' without argument");
434 MAP.put(DUPLICATE_LABEL_IN_WHEN, "Duplicate label in when");
435
436 MAP.put(NO_ELSE_IN_WHEN, "''when'' expression must be exhaustive, add necessary {0}", RENDER_WHEN_MISSING_CASES);
437 MAP.put(NON_EXHAUSTIVE_WHEN, "''when'' expression on enum is recommended to be exhaustive, add {0}", RENDER_WHEN_MISSING_CASES);
438
439 MAP.put(TYPE_MISMATCH_IN_RANGE, "Type mismatch: incompatible types of range and element checked in it");
440 MAP.put(CYCLIC_INHERITANCE_HIERARCHY, "There's a cycle in the inheritance hierarchy for this type");
441 MAP.put(CYCLIC_GENERIC_UPPER_BOUND, "Type parameter has cyclic upper bounds");
442
443 MAP.put(MANY_CLASSES_IN_SUPERTYPE_LIST, "Only one class may appear in a supertype list");
444 MAP.put(SUPERTYPE_NOT_A_CLASS_OR_INTERFACE, "Only classes and interfaces may serve as supertypes");
445 MAP.put(SUPERTYPE_IS_EXTENSION_FUNCTION_TYPE, "Extension function type is not allowed as supertypes");
446 MAP.put(SUPERTYPE_INITIALIZED_IN_INTERFACE, "Interfaces cannot initialize supertypes");
447 MAP.put(CLASS_IN_SUPERTYPE_FOR_ENUM, "Enum class cannot inherit from classes");
448 MAP.put(CONSTRUCTOR_IN_INTERFACE, "An interface may not have a constructor");
449 MAP.put(METHOD_OF_ANY_IMPLEMENTED_IN_INTERFACE, "An interface may not implement a method of 'Any'");
450 MAP.put(INTERFACE_WITH_SUPERCLASS, "An interface cannot inherit from a class");
451 MAP.put(SUPERTYPE_APPEARS_TWICE, "A supertype appears twice");
452 MAP.put(FINAL_SUPERTYPE, "This type is final, so it cannot be inherited from");
453 MAP.put(DATA_CLASS_CANNOT_HAVE_CLASS_SUPERTYPES, "Data class inheritance from other classes is forbidden");
454 MAP.put(SEALED_SUPERTYPE, "This type is sealed, so it can be inherited by only its own nested classes or objects");
455 MAP.put(SEALED_SUPERTYPE_IN_LOCAL_CLASS, "Local class cannot extend a sealed class");
456 MAP.put(SINGLETON_IN_SUPERTYPE, "Cannot inherit from a singleton");
457
458 MAP.put(CYCLIC_CONSTRUCTOR_DELEGATION_CALL, "There's a cycle in the delegation calls chain");
459 MAP.put(CONSTRUCTOR_IN_OBJECT, "Constructors are not allowed for objects");
460 MAP.put(SUPERTYPE_INITIALIZED_WITHOUT_PRIMARY_CONSTRUCTOR, "Supertype initialization is impossible without primary constructor");
461 MAP.put(PRIMARY_CONSTRUCTOR_DELEGATION_CALL_EXPECTED, "Primary constructor call expected");
462 MAP.put(DELEGATION_SUPER_CALL_IN_ENUM_CONSTRUCTOR, "Call to super is not allowed in enum constructor");
463 MAP.put(PRIMARY_CONSTRUCTOR_REQUIRED_FOR_DATA_CLASS, "Primary constructor required for data class");
464 MAP.put(EXPLICIT_DELEGATION_CALL_REQUIRED,
465 "Explicit 'this' or 'super' call is required. There is no constructor in superclass that can be called without arguments");
466
467 MAP.put(INSTANCE_ACCESS_BEFORE_SUPER_CALL, "Cannot access ''{0}'' before superclass constructor has been called", NAME);
468
469 MAP.put(ILLEGAL_SELECTOR, "Expression ''{0}'' cannot be a selector (occur after a dot)", STRING);
470
471 MAP.put(NO_TAIL_CALLS_FOUND, "A function is marked as tail-recursive but no tail calls are found");
472 MAP.put(VALUE_PARAMETER_WITH_NO_TYPE_ANNOTATION, "A type annotation is required on a value parameter");
473 MAP.put(BREAK_OR_CONTINUE_OUTSIDE_A_LOOP, "'break' and 'continue' are only allowed inside a loop");
474 MAP.put(BREAK_OR_CONTINUE_IN_WHEN, "'break' and 'continue' are not allowed in 'when' statements. Consider using labels to continue/break from the outer loop");
475 MAP.put(BREAK_OR_CONTINUE_JUMPS_ACROSS_FUNCTION_BOUNDARY, "'break' or 'continue' jumps across a function or a class boundary");
476 MAP.put(NOT_A_LOOP_LABEL, "The label ''{0}'' does not denote a loop", STRING);
477 MAP.put(NOT_A_RETURN_LABEL, "The label ''{0}'' does not reference to a context from which we can return", STRING);
478
479 MAP.put(ANONYMOUS_INITIALIZER_IN_INTERFACE, "Anonymous initializers are not allowed in interfaces");
480 MAP.put(NULLABLE_SUPERTYPE, "A supertype cannot be nullable");
481 MAP.put(DYNAMIC_SUPERTYPE, "A supertype cannot be dynamic");
482 MAP.put(REDUNDANT_NULLABLE, "Redundant '?'");
483 MAP.put(UNSAFE_CALL, "Only safe (?.) or non-null asserted (!!.) calls are allowed on a nullable receiver of type {0}", RENDER_TYPE);
484 MAP.put(UNSAFE_IMPLICIT_INVOKE_CALL, "Reference has a nullable type ''{0}'', use explicit ''?.invoke()'' to make a function-like call instead", RENDER_TYPE);
485 MAP.put(AMBIGUOUS_LABEL, "Ambiguous label");
486 MAP.put(UNSUPPORTED, "Unsupported [{0}]", STRING);
487 MAP.put(EXCEPTION_FROM_ANALYZER, "Internal Error occurred while analyzing this expression:\n{0}", THROWABLE);
488 MAP.put(UNNECESSARY_SAFE_CALL, "Unnecessary safe call on a non-null receiver of type {0}", RENDER_TYPE);
489 MAP.put(UNEXPECTED_SAFE_CALL, "Safe-call is not allowed here");
490 MAP.put(UNNECESSARY_NOT_NULL_ASSERTION, "Unnecessary non-null assertion (!!) on a non-null receiver of type {0}", RENDER_TYPE);
491 MAP.put(NOT_NULL_ASSERTION_ON_LAMBDA_EXPRESSION, "Non-null assertion (!!) is called on a lambda expression");
492 MAP.put(NAME_IN_CONSTRAINT_IS_NOT_A_TYPE_PARAMETER, "{0} does not refer to a type parameter of {1}", new DiagnosticParameterRenderer<KtTypeConstraint>() {
493 @NotNull
494 @Override
495 public String render(@NotNull KtTypeConstraint typeConstraint, @NotNull RenderingContext context) {
496 //noinspection ConstantConditions
497 return typeConstraint.getSubjectTypeParameterName().getReferencedName();
498 }
499 }, DECLARATION_NAME);
500 MAP.put(SMARTCAST_IMPOSSIBLE,
501 "Smart cast to ''{0}'' is impossible, because ''{1}'' is a {2}", RENDER_TYPE, STRING, STRING);
502 MAP.put(ALWAYS_NULL, "The result of the expression is always null");
503
504 MAP.put(MISSING_CONSTRUCTOR_KEYWORD, "Use 'constructor' keyword after modifiers of primary constructor");
505
506 MAP.put(NON_PRIVATE_CONSTRUCTOR_IN_ENUM, "Constructor must be private in enum class");
507 MAP.put(NON_PRIVATE_CONSTRUCTOR_IN_SEALED, "Constructor must be private in sealed class");
508
509 MAP.put(VARIANCE_ON_TYPE_PARAMETER_OF_FUNCTION_OR_PROPERTY, "Variance annotations are only allowed for type parameters of classes and interfaces");
510
511 MAP.put(DEPRECATED_TYPE_PARAMETER_SYNTAX, "Type parameters must be placed before the name of the function");
512
513 MAP.put(MISPLACED_TYPE_PARAMETER_CONSTRAINTS, "If a type parameter has multiple constraints, they all need to be placed in the 'where' clause");
514
515 MAP.put(TYPE_VARIANCE_CONFLICT, "Type parameter {0} is declared as ''{1}'' but occurs in ''{2}'' position in type {3}",
516 new MultiRenderer<VarianceConflictDiagnosticData>() {
517 @NotNull
518 @Override
519 public String[] render(@NotNull VarianceConflictDiagnosticData data) {
520 RenderingContext context =
521 of(data.getTypeParameter(), data.getTypeParameter().getVariance(), data.getOccurrencePosition(), data.getContainingType());
522 return new String[] {
523 NAME.render(data.getTypeParameter(), context),
524 RENDER_POSITION_VARIANCE.render(data.getTypeParameter().getVariance(), context),
525 RENDER_POSITION_VARIANCE.render(data.getOccurrencePosition(), context),
526 RENDER_TYPE.render(data.getContainingType(), context)
527 };
528 }
529 });
530
531 MAP.put(FINITE_BOUNDS_VIOLATION, "This type parameter violates the Finite Bound Restriction");
532 MAP.put(FINITE_BOUNDS_VIOLATION_IN_JAVA, "Violation of Finite Bound Restriction for {0}", STRING);
533 MAP.put(EXPANSIVE_INHERITANCE, "This type parameter violates the Non-Expansive Inheritance Restriction");
534 MAP.put(EXPANSIVE_INHERITANCE_IN_JAVA, "Violation of Non-Expansive Inheritance Restriction for {0}", STRING);
535 MAP.put(REDUNDANT_PROJECTION, "Projection is redundant: the corresponding type parameter of {0} has the same variance", NAME);
536 MAP.put(CONFLICTING_PROJECTION, "Projection is conflicting with variance of the corresponding type parameter of {0}. Remove the projection or replace it with ''*''", NAME);
537
538 MAP.put(TYPE_ARGUMENTS_FOR_OUTER_CLASS_WHEN_NESTED_REFERENCED, "Type arguments for outer class are redundant when nested class is referenced");
539
540 MAP.put(REIFIED_TYPE_IN_CATCH_CLAUSE, "Reified type is forbidden for catch parameter");
541 MAP.put(GENERIC_THROWABLE_SUBCLASS, "Subclass of 'Throwable' may not have type parameters");
542
543 MAP.put(TYPE_MISMATCH_IN_FOR_LOOP, "The loop iterates over values of type {0} but the parameter is declared to be {1}", RENDER_TYPE,
544 RENDER_TYPE);
545 MAP.put(INCOMPATIBLE_TYPES, "Incompatible types: {0} and {1}", RENDER_TYPE, RENDER_TYPE);
546 MAP.put(IMPLICIT_NOTHING_RETURN_TYPE, "'Nothing' return type needs to be specified explicitly");
547 MAP.put(IMPLICIT_NOTHING_PROPERTY_TYPE, "'Nothing' property type needs to be specified explicitly");
548 MAP.put(IMPLICIT_INTERSECTION_TYPE, "Inferred type {0} is an intersection, please specify the required type explicitly", RENDER_TYPE);
549 MAP.put(EXPECTED_CONDITION, "Expected condition of type Boolean");
550
551 MAP.put(CANNOT_CHECK_FOR_ERASED, "Cannot check for instance of erased type: {0}", RENDER_TYPE);
552 MAP.put(UNCHECKED_CAST, "Unchecked cast: {0} to {1}", RENDER_TYPE, RENDER_TYPE);
553
554 MAP.put(INCONSISTENT_TYPE_PARAMETER_VALUES, "Type parameter {0} of ''{1}'' has inconsistent values: {2}", NAME, NAME, RENDER_COLLECTION_OF_TYPES);
555 MAP.put(INCONSISTENT_TYPE_PARAMETER_BOUNDS, "Type parameter {0} of ''{1}'' has inconsistent bounds: {2}", NAME, NAME, RENDER_COLLECTION_OF_TYPES);
556
557 MAP.put(EQUALITY_NOT_APPLICABLE, "Operator ''{0}'' cannot be applied to ''{1}'' and ''{2}''", new DiagnosticParameterRenderer<KtSimpleNameExpression>() {
558 @NotNull
559 @Override
560 public String render(@NotNull KtSimpleNameExpression nameExpression, @NotNull RenderingContext context) {
561 //noinspection ConstantConditions
562 return nameExpression.getReferencedName();
563 }
564 }, RENDER_TYPE, RENDER_TYPE);
565
566 MAP.put(SENSELESS_COMPARISON, "Condition ''{0}'' is always ''{1}''", ELEMENT_TEXT, TO_STRING);
567 MAP.put(SENSELESS_NULL_IN_WHEN, "Expression under 'when' is never equal to null");
568
569 MAP.put(INVALID_IF_AS_EXPRESSION, "'if' must have both main and 'else' branches if used as an expression");
570
571 MAP.put(OVERRIDING_FINAL_MEMBER, "''{0}'' in ''{1}'' is final and cannot be overridden", NAME, NAME);
572 MAP.put(CANNOT_WEAKEN_ACCESS_PRIVILEGE, "Cannot weaken access privilege ''{0}'' for ''{1}'' in ''{2}''", VISIBILITY, NAME, NAME);
573 MAP.put(CANNOT_CHANGE_ACCESS_PRIVILEGE, "Cannot change access privilege ''{0}'' for ''{1}'' in ''{2}''", VISIBILITY, NAME, NAME);
574
575 MAP.put(RETURN_TYPE_MISMATCH_ON_OVERRIDE, "Return type of ''{0}'' is not a subtype of the return type of the overridden member ''{1}''",
576 NAME, FQ_NAMES_IN_TYPES);
577 MAP.put(RETURN_TYPE_MISMATCH_ON_INHERITANCE, "''{0}'' clashes with ''{1}'': return types are incompatible",
578 SHORT_NAMES_IN_TYPES, SHORT_NAMES_IN_TYPES);
579
580 MAP.put(PROPERTY_TYPE_MISMATCH_ON_OVERRIDE, "Type of ''{0}'' is not a subtype of the overridden property ''{1}''",
581 NAME, FQ_NAMES_IN_TYPES);
582 MAP.put(VAR_TYPE_MISMATCH_ON_OVERRIDE, "Type of ''{0}'' doesn''t match the type of the overridden var-property ''{1}''",
583 NAME, FQ_NAMES_IN_TYPES);
584 MAP.put(PROPERTY_TYPE_MISMATCH_ON_INHERITANCE, "''{0}'' clashes with ''{1}'': property types are incompatible",
585 SHORT_NAMES_IN_TYPES, SHORT_NAMES_IN_TYPES);
586 MAP.put(VAR_TYPE_MISMATCH_ON_INHERITANCE, "''{0}'' clashes with ''{1}'': property types do not match",
587 SHORT_NAMES_IN_TYPES, SHORT_NAMES_IN_TYPES);
588
589 MAP.put(OVERRIDING_FINAL_MEMBER_BY_DELEGATION, "''{0}'' implicitly overrides a final member ''{1}'' by delegation",
590 SHORT_NAMES_IN_TYPES, SHORT_NAMES_IN_TYPES);
591 MAP.put(VAR_OVERRIDDEN_BY_VAL_BY_DELEGATION, "Val-property ''{0}'' implicitly overrides a var-property ''{1}'' by delegation",
592 SHORT_NAMES_IN_TYPES, SHORT_NAMES_IN_TYPES);
593
594 MAP.put(VAR_OVERRIDDEN_BY_VAL, "Var-property {0} cannot be overridden by val-property {1}", FQ_NAMES_IN_TYPES, FQ_NAMES_IN_TYPES);
595
596 MAP.put(CONFLICTING_INHERITED_MEMBERS, "{0} inherits conflicting members: {1}", NAME, commaSeparated(FQ_NAMES_IN_TYPES));
597 MAP.put(ABSTRACT_MEMBER_NOT_IMPLEMENTED, "{0} must be declared abstract or implement abstract member {1}", RENDER_CLASS_OR_OBJECT,
598 FQ_NAMES_IN_TYPES);
599 MAP.put(ABSTRACT_CLASS_MEMBER_NOT_IMPLEMENTED, "{0} must be declared abstract or implement abstract base class member {1}",
600 RENDER_CLASS_OR_OBJECT, FQ_NAMES_IN_TYPES);
601
602 MAP.put(MANY_IMPL_MEMBER_NOT_IMPLEMENTED, "{0} must override {1} because it inherits many implementations of it",
603 RENDER_CLASS_OR_OBJECT, FQ_NAMES_IN_TYPES);
604 MAP.put(MANY_INTERFACES_MEMBER_NOT_IMPLEMENTED, "{0} must override {1} because it inherits multiple interface methods of it",
605 RENDER_CLASS_OR_OBJECT, FQ_NAMES_IN_TYPES);
606
607 MAP.put(CONFLICTING_OVERLOADS, "''{0}'' conflicts with another declaration in {1}", COMPACT_WITH_MODIFIERS,
608 DECLARATION_NAME_WITH_KIND);
609
610 MAP.put(FUNCTION_EXPECTED, "Expression ''{0}''{1} cannot be invoked as a function. " +
611 "The function ''" + OperatorNameConventions.INVOKE.asString() + "()'' is not found",
612 ELEMENT_TEXT, new DiagnosticParameterRenderer<KotlinType>() {
613 @NotNull
614 @Override
615 public String render(@NotNull KotlinType type, @NotNull RenderingContext context) {
616 if (type.isError()) return "";
617 return " of type '" + RENDER_TYPE.render(type, context) + "'";
618 }
619 });
620 MAP.put(FUNCTION_CALL_EXPECTED, "Function invocation ''{0}({1})'' expected", ELEMENT_TEXT, new DiagnosticParameterRenderer<Boolean>() {
621 @NotNull
622 @Override
623 public String render(@NotNull Boolean hasValueParameters, @NotNull RenderingContext context) {
624 return hasValueParameters ? "..." : "";
625 }
626 });
627 MAP.put(NON_TAIL_RECURSIVE_CALL, "Recursive call is not a tail call");
628 MAP.put(TAIL_RECURSION_IN_TRY_IS_NOT_SUPPORTED, "Tail recursion optimization inside try/catch/finally is not supported");
629
630 MAP.put(RESULT_TYPE_MISMATCH, "{0} must return {1} but returns {2}", STRING, RENDER_TYPE, RENDER_TYPE);
631 MAP.put(UNSAFE_INFIX_CALL,
632 "Infix call corresponds to a dot-qualified call ''{0}.{1}({2})'' which is not allowed on a nullable receiver ''{0}''. " +
633 "Use ''?.''-qualified call instead",
634 STRING, STRING, STRING);
635
636 MAP.put(OVERLOAD_RESOLUTION_AMBIGUITY, "Overload resolution ambiguity: {0}", AMBIGUOUS_CALLS);
637 MAP.put(NONE_APPLICABLE, "None of the following functions can be called with the arguments supplied: {0}", AMBIGUOUS_CALLS);
638 MAP.put(CANNOT_COMPLETE_RESOLVE, "Cannot choose among the following candidates without completing type inference: {0}", AMBIGUOUS_CALLS);
639 MAP.put(UNRESOLVED_REFERENCE_WRONG_RECEIVER, "Unresolved reference. None of the following candidates is applicable because of receiver type mismatch: {0}", AMBIGUOUS_CALLS);
640
641 MAP.put(NO_VALUE_FOR_PARAMETER, "No value passed for parameter {0}", NAME);
642 MAP.put(MISSING_RECEIVER, "A receiver of type {0} is required", RENDER_TYPE);
643 MAP.put(NO_RECEIVER_ALLOWED, "No receiver can be passed to this function or property");
644
645 MAP.put(CREATING_AN_INSTANCE_OF_ABSTRACT_CLASS, "Cannot create an instance of an abstract class");
646
647 MAP.put(TYPE_INFERENCE_CONFLICTING_SUBSTITUTIONS, "Type inference failed: {0}", TYPE_INFERENCE_CONFLICTING_SUBSTITUTIONS_RENDERER);
648 MAP.put(TYPE_INFERENCE_CANNOT_CAPTURE_TYPES, "Type inference failed: {0}", TYPE_INFERENCE_CANNOT_CAPTURE_TYPES_RENDERER);
649 MAP.put(TYPE_INFERENCE_NO_INFORMATION_FOR_PARAMETER, "Type inference failed: {0}", TYPE_INFERENCE_NO_INFORMATION_FOR_PARAMETER_RENDERER);
650 MAP.put(TYPE_INFERENCE_PARAMETER_CONSTRAINT_ERROR, "Type inference failed: {0}", TYPE_INFERENCE_PARAMETER_CONSTRAINT_ERROR_RENDERER);
651 MAP.put(TYPE_INFERENCE_INCORPORATION_ERROR, "Type inference failed. Please try to specify type arguments explicitly.");
652 MAP.put(TYPE_INFERENCE_ONLY_INPUT_TYPES, "Type inference failed. The value of the type parameter {0} should be mentioned in input types " +
653 "(argument types, receiver type or expected type). Try to specify it explicitly.", NAME);
654 MAP.put(TYPE_INFERENCE_UPPER_BOUND_VIOLATED, "{0}", TYPE_INFERENCE_UPPER_BOUND_VIOLATED_RENDERER);
655 MAP.put(TYPE_INFERENCE_EXPECTED_TYPE_MISMATCH, "Type inference failed. Expected type mismatch: inferred type is {1} but {0} was expected", RENDER_TYPE, RENDER_TYPE);
656
657 MAP.put(TYPE_INFERENCE_FAILED_ON_SPECIAL_CONSTRUCT, "Type inference for control flow expression failed. Please specify its type explicitly.");
658
659 String wrongNumberOfTypeArguments = "{0,choice,0#No type arguments|1#One type argument|1<{0,number,integer} type arguments} expected";
660 MAP.put(WRONG_NUMBER_OF_TYPE_ARGUMENTS, wrongNumberOfTypeArguments + " for {1}", null, WITHOUT_MODIFIERS);
661 MAP.put(NO_TYPE_ARGUMENTS_ON_RHS, wrongNumberOfTypeArguments + ". Use ''{1}'' if you don''t want to pass type arguments", null, STRING);
662 MAP.put(TYPE_ARGUMENTS_NOT_ALLOWED, "Type arguments are not allowed {0}", STRING);
663
664 MAP.put(TYPE_PARAMETER_AS_REIFIED, "Cannot use ''{0}'' as reified type parameter. Use a class instead.", NAME);
665 MAP.put(REIFIED_TYPE_PARAMETER_NO_INLINE, "Only type parameters of inline functions can be reified");
666 MAP.put(REIFIED_TYPE_FORBIDDEN_SUBSTITUTION, "Cannot use ''{0}'' as reified type parameter", RENDER_TYPE);
667 MAP.put(REIFIED_TYPE_UNSAFE_SUBSTITUTION, "It may be not safe to use ''{0}'' as an argument for a reified type parameter. Use a non-generic type or * if possible", RENDER_TYPE);
668 MAP.put(TYPE_PARAMETERS_NOT_ALLOWED, "Type parameters are not allowed here");
669
670 MAP.put(TYPE_PARAMETER_OF_PROPERTY_NOT_USED_IN_RECEIVER, "Type parameter of a property must be used in its receiver type");
671
672 MAP.put(SUPERTYPES_FOR_ANNOTATION_CLASS, "Annotation class cannot have supertypes");
673 MAP.put(MISSING_VAL_ON_ANNOTATION_PARAMETER, "'val' keyword is missing on annotation parameter");
674 MAP.put(VAR_ANNOTATION_PARAMETER, "An annotation parameter cannot be 'var'");
675 MAP.put(ANNOTATION_CLASS_CONSTRUCTOR_CALL, "Annotation class cannot be instantiated");
676 MAP.put(NOT_AN_ANNOTATION_CLASS, "''{0}'' is not an annotation class", NAME);
677 MAP.put(ANNOTATION_CLASS_WITH_BODY, "Body is not allowed for annotation class");
678 MAP.put(INVALID_TYPE_OF_ANNOTATION_MEMBER, "Invalid type of annotation member");
679 MAP.put(NULLABLE_TYPE_OF_ANNOTATION_MEMBER, "An annotation parameter cannot be nullable");
680 MAP.put(ANNOTATION_PARAMETER_MUST_BE_CONST, "An annotation parameter must be a compile-time constant");
681 MAP.put(ANNOTATION_PARAMETER_MUST_BE_ENUM_CONST, "An enum annotation parameter must be a enum constant");
682 MAP.put(ANNOTATION_PARAMETER_MUST_BE_KCLASS_LITERAL, "An annotation parameter must be a class literal (T::class)");
683 MAP.put(ANNOTATION_PARAMETER_DEFAULT_VALUE_MUST_BE_CONSTANT, "Default value of annotation parameter must be a compile-time constant");
684
685 MAP.put(CONST_VAL_NOT_TOP_LEVEL_OR_OBJECT, "Const 'val' are only allowed on top level or in objects");
686 MAP.put(CONST_VAL_WITH_DELEGATE, "Const 'val' should not have a delegate");
687 MAP.put(CONST_VAL_WITH_GETTER, "Const 'val' should not have a getter");
688 MAP.put(TYPE_CANT_BE_USED_FOR_CONST_VAL, "Const ''val'' has type ''{0}''. Only primitives and String are allowed", RENDER_TYPE);
689 MAP.put(CONST_VAL_WITHOUT_INITIALIZER, "Const 'val' should have an initializer");
690 MAP.put(CONST_VAL_WITH_NON_CONST_INITIALIZER, "Const 'val' initializer should be a constant value");
691 MAP.put(NON_CONST_VAL_USED_IN_CONSTANT_EXPRESSION, "Only 'const val' can be used in constant expressions");
692
693 MAP.put(DEFAULT_VALUE_NOT_ALLOWED_IN_OVERRIDE, "An overriding function is not allowed to specify default values for its parameters");
694
695
696 String multipleDefaultsMessage = "More than one overridden descriptor declares a default value for ''{0}''. " +
697 "As the compiler can not make sure these values agree, this is not allowed.";
698 MAP.put(MULTIPLE_DEFAULTS_INHERITED_FROM_SUPERTYPES, multipleDefaultsMessage, FQ_NAMES_IN_TYPES);
699 MAP.put(MULTIPLE_DEFAULTS_INHERITED_FROM_SUPERTYPES_WHEN_NO_EXPLICIT_OVERRIDE, multipleDefaultsMessage, FQ_NAMES_IN_TYPES);
700
701 MAP.put(PARAMETER_NAME_CHANGED_ON_OVERRIDE, "The corresponding parameter in the supertype ''{0}'' is named ''{1}''. " +
702 "This may cause problems when calling this function with named arguments.", NAME, NAME);
703
704 MAP.put(DIFFERENT_NAMES_FOR_THE_SAME_PARAMETER_IN_SUPERTYPES,
705 "Names of the parameter #{1} conflict in the following members of supertypes: ''{0}''. " +
706 "This may cause problems when calling this function with named arguments.", commaSeparated(FQ_NAMES_IN_TYPES), TO_STRING);
707
708 MAP.put(NAME_FOR_AMBIGUOUS_PARAMETER, "Named argument is not allowed for a parameter with an ambiguous name");
709
710 MAP.put(DATA_CLASS_WITHOUT_PARAMETERS, "Data class must have at least one primary constructor parameter");
711 MAP.put(DATA_CLASS_VARARG_PARAMETER, "Primary constructor vararg parameters are forbidden for data classes");
712 MAP.put(DATA_CLASS_NOT_PROPERTY_PARAMETER, "Data class primary constructor must have only property (val / var) parameters");
713
714 MAP.put(AMBIGUOUS_ANONYMOUS_TYPE_INFERRED, "Right-hand side has anonymous type. Please specify type explicitly", TO_STRING);
715
716 MAP.put(EXTENSION_IN_CLASS_REFERENCE_NOT_ALLOWED,
717 "''{0}'' is a member and an extension at the same time. References to such elements are not allowed", NAME);
718 MAP.put(CALLABLE_REFERENCE_LHS_NOT_A_CLASS, "Left-hand side of a callable reference cannot be a type parameter");
719 MAP.put(CALLABLE_REFERENCE_TO_MEMBER_OR_EXTENSION_WITH_EMPTY_LHS,
720 "Left-hand side of a callable reference with a receiver parameter cannot be empty. " +
721 "Please specify the type of the receiver before '::' explicitly");
722 MAP.put(CALLABLE_REFERENCE_TO_OBJECT_MEMBER, "Callable references to object members are not supported");
723 MAP.put(CALLABLE_REFERENCE_TO_ANNOTATION_CONSTRUCTOR, "Annotation class cannot be instantiated");
724
725 MAP.put(CLASS_LITERAL_LHS_NOT_A_CLASS, "Only classes are allowed on the left hand side of a class literal");
726 MAP.put(ARRAY_CLASS_LITERAL_REQUIRES_ARGUMENT, "Array class literal requires a type argument, please specify one in angle brackets");
727
728 //Inline
729 MAP.put(NON_PUBLIC_CALL_FROM_PUBLIC_INLINE, "Public-API inline function cannot access non-public-API ''{0}''", SHORT_NAMES_IN_TYPES, SHORT_NAMES_IN_TYPES);
730 MAP.put(PRIVATE_CLASS_MEMBER_FROM_INLINE, "Non-private inline function cannot access members of private classes: ''{0}''", SHORT_NAMES_IN_TYPES, SHORT_NAMES_IN_TYPES);
731 MAP.put(NOT_YET_SUPPORTED_IN_INLINE, "''{0}'' construction is not yet supported in inline functions", ELEMENT_TEXT, SHORT_NAMES_IN_TYPES);
732 MAP.put(DECLARATION_CANT_BE_INLINED, "'inline' modifier is not allowed on virtual members. Only private or final members can be inlined");
733 MAP.put(OVERRIDE_BY_INLINE, "Override by an inline function");
734 MAP.put(REIFIED_TYPE_PARAMETER_IN_OVERRIDE, "Override by a function with reified type parameter");
735 MAP.put(NOTHING_TO_INLINE, "Expected performance impact of inlining ''{0}'' can be insignificant. Inlining works best for functions with lambda parameters", SHORT_NAMES_IN_TYPES);
736 MAP.put(USAGE_IS_NOT_INLINABLE, "Illegal usage of inline-parameter ''{0}'' in ''{1}''. Add ''noinline'' modifier to the parameter declaration", ELEMENT_TEXT, SHORT_NAMES_IN_TYPES);
737 MAP.put(NULLABLE_INLINE_PARAMETER, "Inline-parameter ''{0}'' of ''{1}'' must not be nullable. Add ''noinline'' modifier to the parameter declaration or make its type not nullable", ELEMENT_TEXT, SHORT_NAMES_IN_TYPES);
738 MAP.put(RECURSION_IN_INLINE, "Inline function ''{1}'' cannot be recursive", ELEMENT_TEXT, SHORT_NAMES_IN_TYPES);
739 //Inline non locals
740 MAP.put(NON_LOCAL_RETURN_NOT_ALLOWED, "Can''t inline ''{0}'' here: it may contain non-local returns. Add ''crossinline'' modifier to parameter declaration ''{0}''", ELEMENT_TEXT);
741 MAP.put(INLINE_CALL_CYCLE, "The ''{0}'' invocation is a part of inline cycle", NAME);
742 MAP.put(NON_LOCAL_RETURN_IN_DISABLED_INLINE, "Non-local returns are not allowed with inlining disabled");
743
744 MAP.setImmutable();
745
746 for (Field field : Errors.class.getFields()) {
747 if (Modifier.isStatic(field.getModifiers())) {
748 try {
749 Object fieldValue = field.get(null);
750 if (fieldValue instanceof DiagnosticFactory) {
751 if (MAP.get((DiagnosticFactory<?>) fieldValue) == null) {
752 throw new IllegalStateException("No default diagnostic renderer is provided for " + ((DiagnosticFactory<?>)fieldValue).getName());
753 }
754 }
755 }
756 catch (IllegalAccessException e) {
757 throw new IllegalStateException(e);
758 }
759 }
760 }
761 }
762
763 private DefaultErrorMessages() {
764 }
765 }