001 /*
002 * Copyright 2010-2015 JetBrains s.r.o.
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 * http://www.apache.org/licenses/LICENSE-2.0
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 */
016
017 package org.jetbrains.kotlin.diagnostics.rendering;
018
019 import com.intellij.openapi.extensions.ExtensionPointName;
020 import kotlin.Unit;
021 import kotlin.jvm.functions.Function1;
022 import org.jetbrains.annotations.NotNull;
023 import org.jetbrains.annotations.Nullable;
024 import org.jetbrains.annotations.TestOnly;
025 import org.jetbrains.kotlin.diagnostics.Diagnostic;
026 import org.jetbrains.kotlin.diagnostics.DiagnosticFactory;
027 import org.jetbrains.kotlin.diagnostics.Errors;
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.renderer.DescriptorRenderer;
032 import org.jetbrains.kotlin.renderer.DescriptorRendererOptions;
033 import org.jetbrains.kotlin.renderer.MultiRenderer;
034 import org.jetbrains.kotlin.renderer.Renderer;
035 import org.jetbrains.kotlin.resolve.varianceChecker.VarianceChecker.VarianceConflictDiagnosticData;
036 import org.jetbrains.kotlin.types.KotlinType;
037 import org.jetbrains.kotlin.util.MappedExtensionProvider;
038 import org.jetbrains.kotlin.util.OperatorNameConventions;
039
040 import java.lang.reflect.Field;
041 import java.lang.reflect.Modifier;
042 import java.util.ArrayList;
043 import java.util.List;
044
045 import static org.jetbrains.kotlin.diagnostics.Errors.*;
046 import static org.jetbrains.kotlin.diagnostics.rendering.Renderers.*;
047 import static org.jetbrains.kotlin.renderer.DescriptorRenderer.*;
048
049 public class DefaultErrorMessages {
050
051 public interface Extension {
052 ExtensionPointName<Extension> EP_NAME = ExtensionPointName.create("org.jetbrains.kotlin.defaultErrorMessages");
053
054 @NotNull
055 DiagnosticFactoryToRendererMap getMap();
056 }
057
058 private static final DiagnosticFactoryToRendererMap MAP = new DiagnosticFactoryToRendererMap();
059 private static final MappedExtensionProvider<Extension, List<DiagnosticFactoryToRendererMap>> RENDERER_MAPS = MappedExtensionProvider.create(
060 Extension.EP_NAME,
061 new Function1<List<? extends Extension>, List<DiagnosticFactoryToRendererMap>>() {
062 @Override
063 public List<DiagnosticFactoryToRendererMap> invoke(List<? extends Extension> extensions) {
064 List<DiagnosticFactoryToRendererMap> result = new ArrayList<DiagnosticFactoryToRendererMap>(extensions.size() + 1);
065 for (Extension extension : extensions) {
066 result.add(extension.getMap());
067 }
068 result.add(MAP);
069 return result;
070 }
071 });
072
073 @NotNull
074 public static String render(@NotNull Diagnostic diagnostic) {
075 for (DiagnosticFactoryToRendererMap map : RENDERER_MAPS.get()) {
076 DiagnosticRenderer renderer = map.get(diagnostic.getFactory());
077 if (renderer != null) {
078 //noinspection unchecked
079 return renderer.render(diagnostic);
080 }
081 }
082 throw new IllegalArgumentException("Don't know how to render diagnostic of type " + diagnostic.getFactory().getName());
083 }
084
085 @TestOnly
086 @Nullable
087 public static DiagnosticRenderer getRendererForDiagnostic(@NotNull Diagnostic diagnostic) {
088 for (DiagnosticFactoryToRendererMap map : RENDERER_MAPS.get()) {
089 DiagnosticRenderer renderer = map.get(diagnostic.getFactory());
090
091 if (renderer != null) return renderer;
092 }
093
094 return null;
095 }
096
097 public static final DescriptorRenderer DEPRECATION_RENDERER = DescriptorRenderer.ONLY_NAMES_WITH_SHORT_TYPES.withOptions(
098 new Function1<DescriptorRendererOptions, Unit>() {
099 @Override
100 public Unit invoke(DescriptorRendererOptions options) {
101 options.setWithoutTypeParameters(false);
102 options.setReceiverAfterName(false);
103 options.setRenderAccessors(true);
104 return Unit.INSTANCE$;
105 }
106 }
107 );
108
109 static {
110 MAP.put(UNRESOLVED_REFERENCE, "Unresolved reference: {0}", ELEMENT_TEXT);
111
112 MAP.put(INVISIBLE_REFERENCE, "Cannot access ''{0}'': it is ''{1}'' in {2}", NAME, TO_STRING, NAME_OF_PARENT_OR_FILE);
113 MAP.put(INVISIBLE_MEMBER, "Cannot access ''{0}'': it is ''{1}'' in {2}", NAME, TO_STRING, NAME_OF_PARENT_OR_FILE);
114
115 MAP.put(EXPOSED_PROPERTY_TYPE, "Property effective visibility ''{0}'' should be the same or less permissive than its type effective visibility ''{1}''", TO_STRING, TO_STRING);
116 MAP.put(EXPOSED_FUNCTION_RETURN_TYPE, "Function effective visibility ''{0}'' should be the same or less permissive than its return type effective visibility ''{1}''", TO_STRING, TO_STRING);
117 MAP.put(EXPOSED_PARAMETER_TYPE, "Function effective visibility ''{0}'' should be the same or less permissive than its parameter type effective visibility ''{1}''", TO_STRING, TO_STRING);
118 MAP.put(EXPOSED_RECEIVER_TYPE, "Member effective visibility ''{0}'' should be the same or less permissive than its receiver type effective visibility ''{1}''", TO_STRING, TO_STRING);
119 MAP.put(EXPOSED_TYPE_PARAMETER_BOUND, "Generic effective visibility ''{0}'' should be the same or less permissive than its type parameter bound effective visibility ''{1}''", TO_STRING, TO_STRING);
120 MAP.put(EXPOSED_SUPER_CLASS, "Subclass effective visibility ''{0}'' should be the same or less permissive than its superclass effective visibility ''{1}''", TO_STRING, TO_STRING);
121 MAP.put(EXPOSED_SUPER_INTERFACE, "Sub-interface effective visibility ''{0}'' should be the same or less permissive than its super-interface effective visibility ''{1}''", TO_STRING, TO_STRING);
122
123 MAP.put(REDECLARATION, "Redeclaration: {0}", STRING);
124 MAP.put(NAME_SHADOWING, "Name shadowed: {0}", STRING);
125 MAP.put(ACCESSOR_PARAMETER_NAME_SHADOWING, "Accessor parameter name 'field' is shadowed by backing field variable");
126
127 MAP.put(TYPE_MISMATCH, "Type mismatch: inferred type is {1} but {0} was expected", RENDER_TYPE, RENDER_TYPE);
128 MAP.put(INCOMPATIBLE_MODIFIERS, "Modifier ''{0}'' is incompatible with ''{1}''", TO_STRING, TO_STRING);
129 MAP.put(DEPRECATED_MODIFIER_PAIR, "Modifier ''{0}'' is deprecated in presence of ''{1}''", TO_STRING, TO_STRING);
130 MAP.put(REPEATED_MODIFIER, "Repeated ''{0}''", TO_STRING);
131 MAP.put(WRONG_MODIFIER_TARGET, "Modifier ''{0}'' is not applicable to ''{1}''", TO_STRING, TO_STRING);
132 MAP.put(DEPRECATED_MODIFIER_FOR_TARGET, "Modifier ''{0}'' is deprecated for ''{1}''", TO_STRING, TO_STRING);
133 MAP.put(REDUNDANT_MODIFIER_FOR_TARGET, "Modifier ''{0}'' is redundant for ''{1}''", TO_STRING, TO_STRING);
134 MAP.put(WRONG_MODIFIER_CONTAINING_DECLARATION, "Modifier ''{0}'' is not applicable inside ''{1}''", TO_STRING, TO_STRING);
135 MAP.put(DEPRECATED_MODIFIER_CONTAINING_DECLARATION, "Modifier ''{0}'' is deprecated inside ''{1}''", TO_STRING, TO_STRING);
136 MAP.put(ILLEGAL_INLINE_PARAMETER_MODIFIER, "Modifier ''{0}'' is allowed only for function parameters of an inline function", TO_STRING);
137 MAP.put(WRONG_ANNOTATION_TARGET, "This annotation is not applicable to target ''{0}''", TO_STRING);
138 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);
139 MAP.put(REPEATED_ANNOTATION, "This annotation is not repeatable");
140 MAP.put(NON_SOURCE_ANNOTATION_ON_INLINED_FUNCTION_LITERAL, "Function literal here is an inlined argument so this annotation cannot be stored anywhere");
141
142 MAP.put(INAPPLICABLE_TARGET_ON_PROPERTY, "''@{0}'' annotations could be applied only to property declarations", TO_STRING);
143 MAP.put(INAPPLICABLE_FIELD_TARGET_NO_BACKING_FIELD, "Property has neither a backing field nor a delegate");
144 MAP.put(INAPPLICABLE_TARGET_PROPERTY_IMMUTABLE, "Property must be mutable");
145 MAP.put(INAPPLICABLE_RECEIVER_TARGET, "''@receiver:'' annotations could be applied only to extension function or extension property declarations");
146 MAP.put(INAPPLICABLE_PARAM_TARGET, "''@param:'' annotations could be applied only to primary constructor parameters");
147 MAP.put(REDUNDANT_ANNOTATION_TARGET, "Redundant annotation target ''{0}''", STRING);
148
149 MAP.put(REDUNDANT_MODIFIER, "Modifier ''{0}'' is redundant because ''{1}'' is present", TO_STRING, TO_STRING);
150 MAP.put(ABSTRACT_MODIFIER_IN_INTERFACE, "Modifier ''abstract'' is redundant in interface");
151 MAP.put(REDUNDANT_MODIFIER_IN_GETTER, "Visibility modifiers are redundant in getter");
152 MAP.put(TYPE_PARAMETERS_IN_ENUM, "Enum class cannot have type parameters");
153 MAP.put(TYPECHECKER_HAS_RUN_INTO_RECURSIVE_PROBLEM,
154 "Type checking has run into a recursive problem. Easiest workaround: specify types of your declarations explicitly"); // TODO: message
155 MAP.put(RETURN_NOT_ALLOWED, "'return' is not allowed here");
156 MAP.put(PROJECTION_IN_IMMEDIATE_ARGUMENT_TO_SUPERTYPE, "Projections are not allowed for immediate arguments of a supertype");
157 MAP.put(LABEL_NAME_CLASH, "There is more than one label with such a name in this scope");
158 MAP.put(EXPRESSION_EXPECTED_PACKAGE_FOUND, "Expression expected, but a package name found");
159
160 MAP.put(CANNOT_ALL_UNDER_IMPORT_FROM_SINGLETON, "Cannot import-on-demand from object ''{0}''", NAME);
161 MAP.put(CANNOT_BE_IMPORTED, "Cannot import ''{0}'', functions and properties can be imported only from packages or objects", TO_STRING);
162 MAP.put(PACKAGE_CANNOT_BE_IMPORTED, "Packages cannot be imported");
163 MAP.put(CONFLICTING_IMPORT, "Conflicting import, imported name ''{0}'' is ambiguous", STRING);
164 MAP.put(PLATFORM_CLASS_MAPPED_TO_KOTLIN, "This class shouldn''t be used in Kotlin. Use {0} instead.", CLASSES_OR_SEPARATED);
165
166 MAP.put(CANNOT_INFER_PARAMETER_TYPE, "Cannot infer a type for this parameter. Please specify it explicitly.");
167
168 MAP.put(MIXING_NAMED_AND_POSITIONED_ARGUMENTS, "Mixing named and positioned arguments is not allowed");
169 MAP.put(ARGUMENT_PASSED_TWICE, "An argument is already passed for this parameter");
170 MAP.put(NAMED_PARAMETER_NOT_FOUND, "Cannot find a parameter with this name: {0}", ELEMENT_TEXT);
171 MAP.put(NAMED_ARGUMENTS_NOT_ALLOWED, "Named arguments are not allowed for {0}", new Renderer<BadNamedArgumentsTarget>() {
172 @NotNull
173 @Override
174 public String render(@NotNull BadNamedArgumentsTarget target) {
175 switch (target) {
176 case NON_KOTLIN_FUNCTION:
177 return "non-Kotlin functions";
178 case INVOKE_ON_FUNCTION_TYPE:
179 return "function types";
180 default:
181 throw new AssertionError(target);
182 }
183 }
184 });
185
186 MAP.put(VARARG_OUTSIDE_PARENTHESES, "Passing value as a vararg is only allowed inside a parenthesized argument list");
187 MAP.put(NON_VARARG_SPREAD, "The spread operator (*foo) may only be applied in a vararg position");
188 MAP.put(SPREAD_OF_NULLABLE, "The spread operator (*foo) may not be applied to an argument of nullable type");
189
190 MAP.put(MANY_FUNCTION_LITERAL_ARGUMENTS, "Only one function literal is allowed outside a parenthesized argument list");
191 MAP.put(PROPERTY_WITH_NO_TYPE_NO_INITIALIZER, "This property must either have a type annotation, be initialized or be delegated");
192 MAP.put(VARIABLE_WITH_NO_TYPE_NO_INITIALIZER, "This variable must either have a type annotation or be initialized");
193
194 MAP.put(INITIALIZER_REQUIRED_FOR_DESTRUCTURING_DECLARATION, "Initializer required for destructuring declaration");
195 MAP.put(COMPONENT_FUNCTION_MISSING, "Destructuring declaration initializer of type {1} must have a ''{0}()'' function", TO_STRING, RENDER_TYPE);
196 MAP.put(COMPONENT_FUNCTION_AMBIGUITY, "Function ''{0}()'' is ambiguous for this expression: {1}", TO_STRING, AMBIGUOUS_CALLS);
197 MAP.put(COMPONENT_FUNCTION_RETURN_TYPE_MISMATCH, "''{0}()'' function returns ''{1}'', but ''{2}'' is expected",
198 TO_STRING, RENDER_TYPE, RENDER_TYPE);
199
200 MAP.put(ABSTRACT_PROPERTY_IN_PRIMARY_CONSTRUCTOR_PARAMETERS, "This property cannot be declared abstract");
201 MAP.put(ABSTRACT_PROPERTY_WITH_INITIALIZER, "Property with initializer cannot be abstract");
202 MAP.put(ABSTRACT_PROPERTY_WITH_GETTER, "Property with getter implementation cannot be abstract");
203 MAP.put(ABSTRACT_PROPERTY_WITH_SETTER, "Property with setter implementation cannot be abstract");
204
205 MAP.put(ABSTRACT_DELEGATED_PROPERTY, "Delegated property cannot be abstract");
206 MAP.put(ACCESSOR_FOR_DELEGATED_PROPERTY, "Delegated property cannot have accessors with non-default implementations");
207 MAP.put(DELEGATED_PROPERTY_IN_INTERFACE, "Delegated properties are not allowed in interfaces");
208 MAP.put(LOCAL_VARIABLE_WITH_DELEGATE, "Local variables are not allowed to have delegates");
209
210 MAP.put(INAPPLICABLE_LATEINIT_MODIFIER, "''lateinit'' modifier {0}", STRING);
211
212 MAP.put(GETTER_VISIBILITY_DIFFERS_FROM_PROPERTY_VISIBILITY, "Getter visibility must be the same as property visibility");
213 MAP.put(SETTER_VISIBILITY_DIFFERS_FROM_LATEINIT_VISIBILITY, "Setter visibility must be the same as lateinit property visibility");
214 MAP.put(PRIVATE_SETTER_FOR_ABSTRACT_PROPERTY, "Private setters are not allowed for abstract properties");
215 MAP.put(PRIVATE_SETTER_FOR_OPEN_PROPERTY, "Private setters are deprecated for open properties");
216 MAP.put(BACKING_FIELD_IN_INTERFACE, "Property in an interface cannot have a backing field");
217 MAP.put(MUST_BE_INITIALIZED, "Property must be initialized");
218 MAP.put(MUST_BE_INITIALIZED_OR_BE_ABSTRACT, "Property must be initialized or be abstract");
219 MAP.put(PROPERTY_INITIALIZER_IN_INTERFACE, "Property initializers are not allowed in interfaces");
220 MAP.put(PRIVATE_PROPERTY_IN_INTERFACE, "Abstract property in an interface cannot be private");
221 MAP.put(EXTENSION_PROPERTY_WITH_BACKING_FIELD, "Extension property cannot be initialized because it has no backing field");
222 MAP.put(PROPERTY_INITIALIZER_NO_BACKING_FIELD, "Initializer is not allowed here because this property has no backing field");
223 MAP.put(ABSTRACT_PROPERTY_IN_NON_ABSTRACT_CLASS, "Abstract property ''{0}'' in non-abstract class ''{1}''", STRING, NAME);
224 MAP.put(ABSTRACT_FUNCTION_IN_NON_ABSTRACT_CLASS, "Abstract function ''{0}'' in non-abstract class ''{1}''", STRING, NAME);
225 MAP.put(ABSTRACT_FUNCTION_WITH_BODY, "A function ''{0}'' with body cannot be abstract", NAME);
226 MAP.put(NON_ABSTRACT_FUNCTION_WITH_NO_BODY, "Function ''{0}'' without a body must be abstract", NAME);
227 MAP.put(PRIVATE_FUNCTION_WITH_NO_BODY, "Function ''{0}'' without body cannot be private", NAME);
228
229 MAP.put(NON_MEMBER_FUNCTION_NO_BODY, "Function ''{0}'' must have a body", NAME);
230 MAP.put(FUNCTION_DECLARATION_WITH_NO_NAME, "Function declaration must have a name");
231 MAP.put(FUNCTION_EXPRESSION_WITH_NAME, "Function expressions with names are prohibited");
232 MAP.put(NON_FINAL_MEMBER_IN_FINAL_CLASS, "\"open\" has no effect in a final class");
233
234 MAP.put(FUNCTION_EXPRESSION_PARAMETER_WITH_DEFAULT_VALUE, "A function expression is not allowed to specify default values for its parameters");
235 MAP.put(USELESS_VARARG_ON_PARAMETER, "Vararg on this parameter is useless");
236
237 MAP.put(PROJECTION_ON_NON_CLASS_TYPE_ARGUMENT, "Projections are not allowed on type arguments of functions and properties");
238 MAP.put(SUPERTYPE_NOT_INITIALIZED, "This type has a constructor, and thus must be initialized here");
239 MAP.put(NOTHING_TO_OVERRIDE, "''{0}'' overrides nothing", NAME);
240 MAP.put(VIRTUAL_MEMBER_HIDDEN, "''{0}'' hides member of supertype ''{2}'' and needs ''override'' modifier", NAME, NAME, NAME);
241
242 MAP.put(DATA_CLASS_OVERRIDE_CONFLICT, "Function ''{0}'' generated for the data class conflicts with member of supertype ''{1}''", NAME, NAME);
243
244 MAP.put(CANNOT_OVERRIDE_INVISIBLE_MEMBER, "''{0}'' has no access to ''{1}'', so it cannot override it", FQ_NAMES_IN_TYPES,
245 FQ_NAMES_IN_TYPES);
246 MAP.put(CANNOT_INFER_VISIBILITY, "Cannot infer visibility for ''{0}''. Please specify it explicitly", COMPACT);
247
248 MAP.put(ENUM_ENTRY_SHOULD_BE_INITIALIZED, "Enum has no default constructor, use 'entry(parameters)'");
249
250 MAP.put(UNINITIALIZED_VARIABLE, "Variable ''{0}'' must be initialized", NAME);
251 MAP.put(UNINITIALIZED_PARAMETER, "Parameter ''{0}'' is uninitialized here", NAME);
252 MAP.put(UNUSED_VARIABLE, "Variable ''{0}'' is never used", NAME);
253 MAP.put(UNUSED_PARAMETER, "Parameter ''{0}'' is never used", NAME);
254 MAP.put(ASSIGNED_BUT_NEVER_ACCESSED_VARIABLE, "Variable ''{0}'' is assigned but never accessed", NAME);
255 MAP.put(VARIABLE_WITH_REDUNDANT_INITIALIZER, "Variable ''{0}'' initializer is redundant", NAME);
256 MAP.put(UNUSED_VALUE, "The value ''{0}'' assigned to ''{1}'' is never used", ELEMENT_TEXT, FQ_NAMES_IN_TYPES);
257 MAP.put(UNUSED_CHANGED_VALUE, "The value changed at ''{0}'' is never used", ELEMENT_TEXT);
258 MAP.put(UNUSED_EXPRESSION, "The expression is unused");
259 MAP.put(UNUSED_FUNCTION_LITERAL, "The function literal is unused. If you mean block, you can use 'run { ... }'");
260
261 MAP.put(VAL_REASSIGNMENT, "Val cannot be reassigned", NAME);
262 MAP.put(SETTER_PROJECTED_OUT, "Setter for ''{0}'' is removed by type projection", NAME);
263 MAP.put(INVISIBLE_SETTER, "Cannot assign to ''{0}'': the setter is ''{1}'' in {2}", NAME, TO_STRING, NAME_OF_PARENT_OR_FILE);
264 MAP.put(INITIALIZATION_BEFORE_DECLARATION, "Variable cannot be initialized before declaration", NAME);
265 MAP.put(VARIABLE_EXPECTED, "Variable expected");
266
267 MAP.put(VAL_OR_VAR_ON_LOOP_PARAMETER, "''{0}'' on loop parameter is not allowed", TO_STRING);
268 MAP.put(VAL_OR_VAR_ON_LOOP_MULTI_PARAMETER, "''{0}'' on loop multi parameter is not allowed", TO_STRING);
269 MAP.put(VAL_OR_VAR_ON_FUN_PARAMETER, "''{0}'' on function parameter is not allowed", TO_STRING);
270 MAP.put(VAL_OR_VAR_ON_CATCH_PARAMETER, "''{0}'' on catch parameter is not allowed", TO_STRING);
271 MAP.put(VAL_OR_VAR_ON_SECONDARY_CONSTRUCTOR_PARAMETER, "''{0}'' on secondary constructor parameter is not allowed", TO_STRING);
272
273 MAP.put(UNREACHABLE_CODE, "Unreachable code", TO_STRING);
274
275 MAP.put(MANY_COMPANION_OBJECTS, "Only one companion object is allowed per class");
276
277 MAP.put(DEPRECATION, "''{0}'' is deprecated. {1}", DEPRECATION_RENDERER, STRING);
278 MAP.put(DEPRECATION_ERROR, "Using ''{0}'' is an error. {1}", DEPRECATION_RENDERER, STRING);
279
280 MAP.put(LOCAL_OBJECT_NOT_ALLOWED, "Named object ''{0}'' is a singleton and cannot be local. Try to use anonymous object instead", NAME);
281 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);
282 MAP.put(ENUM_CLASS_CONSTRUCTOR_CALL, "Enum types cannot be instantiated");
283 MAP.put(SEALED_CLASS_CONSTRUCTOR_CALL, "Sealed types cannot be instantiated");
284
285 MAP.put(DELEGATION_IN_INTERFACE, "Interfaces cannot use delegation");
286 MAP.put(DELEGATION_NOT_TO_INTERFACE, "Only interfaces can be delegated to");
287 MAP.put(NO_CONSTRUCTOR, "This class does not have a constructor");
288 MAP.put(NOT_A_CLASS, "Not a class");
289 MAP.put(ILLEGAL_ESCAPE_SEQUENCE, "Illegal escape sequence");
290
291 MAP.put(LOCAL_EXTENSION_PROPERTY, "Local extension properties are not allowed");
292 MAP.put(LOCAL_VARIABLE_WITH_GETTER, "Local variables are not allowed to have getters");
293 MAP.put(LOCAL_VARIABLE_WITH_SETTER, "Local variables are not allowed to have setters");
294 MAP.put(VAL_WITH_SETTER, "A 'val'-property cannot have a setter");
295
296 MAP.put(NO_GET_METHOD, "No get method providing array access");
297 MAP.put(NO_SET_METHOD, "No set method providing array access");
298
299 MAP.put(DEPRECATED_UNARY_PLUS_MINUS, "Deprecated convention for ''{0}''. Rename to ''{1}''", NAME, STRING);
300
301 MAP.put(INC_DEC_SHOULD_NOT_RETURN_UNIT, "Functions inc(), dec() shouldn't return Unit to be used by operators ++, --");
302 MAP.put(ASSIGNMENT_OPERATOR_SHOULD_RETURN_UNIT, "Function ''{0}'' should return Unit to be used by corresponding operator ''{1}''",
303 NAME, ELEMENT_TEXT);
304 MAP.put(ASSIGN_OPERATOR_AMBIGUITY, "Assignment operators ambiguity: {0}", AMBIGUOUS_CALLS);
305
306 MAP.put(EQUALS_MISSING, "No method 'equals(kotlin.Any?): kotlin.Boolean' available");
307 MAP.put(ASSIGNMENT_IN_EXPRESSION_CONTEXT, "Assignments are not expressions, and only expressions are allowed in this context");
308 MAP.put(PACKAGE_IS_NOT_AN_EXPRESSION, "'package' is not an expression, it can only be used on the left-hand side of a dot ('.')");
309 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);
310 MAP.put(SUPER_CANT_BE_EXTENSION_RECEIVER, "''{0}'' is not an expression, it can not be used as a receiver for extension functions", STRING);
311 MAP.put(DECLARATION_IN_ILLEGAL_CONTEXT, "Declarations are not allowed in this position");
312 MAP.put(SETTER_PARAMETER_WITH_DEFAULT_VALUE, "Setter parameters cannot have default values");
313 MAP.put(NO_THIS, "'this' is not defined in this context");
314 MAP.put(SUPER_NOT_AVAILABLE, "No supertypes are accessible in this context");
315 MAP.put(SUPERCLASS_NOT_ACCESSIBLE_FROM_INTERFACE, "Superclass is not accessible from interface");
316 MAP.put(AMBIGUOUS_SUPER, "Many supertypes available, please specify the one you mean in angle brackets, e.g. 'super<Foo>'");
317 MAP.put(ABSTRACT_SUPER_CALL, "Abstract member cannot be accessed directly");
318 MAP.put(NOT_A_SUPERTYPE, "Not a supertype");
319 MAP.put(TYPE_ARGUMENTS_REDUNDANT_IN_SUPER_QUALIFIER, "Type arguments do not need to be specified in a 'super' qualifier");
320 MAP.put(USELESS_CAST, "No cast needed");
321 MAP.put(CAST_NEVER_SUCCEEDS, "This cast can never succeed");
322 MAP.put(DYNAMIC_NOT_ALLOWED, "Dynamic types are not allowed in this position");
323 MAP.put(IS_ENUM_ENTRY, "'is' over enum entry is not allowed, use comparison instead");
324 MAP.put(ENUM_ENTRY_AS_TYPE, "Use of enum entry names as types is not allowed, use enum type instead");
325 MAP.put(USELESS_NULLABLE_CHECK, "Non-null type is checked for instance of nullable type");
326 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);
327 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);
328 MAP.put(WRONG_SETTER_RETURN_TYPE, "Setter return type must be Unit");
329 MAP.put(NO_COMPANION_OBJECT, "Please specify constructor invocation; classifier ''{0}'' does not have a companion object", NAME);
330 MAP.put(TYPE_PARAMETER_IS_NOT_AN_EXPRESSION, "Type parameter ''{0}'' is not an expression", NAME);
331 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);
332 MAP.put(NO_GENERICS_IN_SUPERTYPE_SPECIFIER, "Generic arguments of the base type must be specified");
333 MAP.put(NESTED_CLASS_ACCESSED_VIA_INSTANCE_REFERENCE, "Nested {0} accessed via instance reference", RENDER_CLASS_OR_OBJECT_NAME);
334 MAP.put(NESTED_CLASS_SHOULD_BE_QUALIFIED, "Nested {0} should be qualified as ''{1}''", RENDER_CLASS_OR_OBJECT_NAME, TO_STRING);
335
336 MAP.put(INACCESSIBLE_OUTER_CLASS_EXPRESSION, "Expression is inaccessible from a nested class ''{0}'', use ''inner'' keyword to make the class inner", NAME);
337 MAP.put(NESTED_CLASS_NOT_ALLOWED, "Nested class is not allowed here, use ''inner'' keyword to make the class inner");
338
339 MAP.put(HAS_NEXT_MISSING, "hasNext() cannot be called on iterator() of type ''{0}''", RENDER_TYPE);
340 MAP.put(HAS_NEXT_FUNCTION_AMBIGUITY, "hasNext() is ambiguous for iterator() of type ''{0}''", RENDER_TYPE);
341 MAP.put(HAS_NEXT_FUNCTION_NONE_APPLICABLE, "None of the hasNext() functions is applicable for iterator() of type ''{0}''", RENDER_TYPE);
342 MAP.put(HAS_NEXT_FUNCTION_TYPE_MISMATCH, "The ''iterator().hasNext()'' function of the loop range must return kotlin.Boolean, but returns {0}", RENDER_TYPE);
343
344 MAP.put(NEXT_MISSING, "next() cannot be called on iterator() of type ''{0}''", RENDER_TYPE);
345 MAP.put(NEXT_AMBIGUITY, "next() is ambiguous for iterator() of type ''{0}''", RENDER_TYPE);
346 MAP.put(NEXT_NONE_APPLICABLE, "None of the next() functions is applicable for iterator() of type ''{0}''", RENDER_TYPE);
347
348 MAP.put(ITERATOR_MISSING, "For-loop range must have an iterator() method");
349 MAP.put(ITERATOR_AMBIGUITY, "Method ''iterator()'' is ambiguous for this expression: {0}", AMBIGUOUS_CALLS);
350
351 MAP.put(DELEGATE_SPECIAL_FUNCTION_MISSING, "Missing ''{0}'' method on delegate of type ''{1}''", STRING, RENDER_TYPE);
352 MAP.put(DELEGATE_RESOLVED_TO_DEPRECATED_CONVENTION, "''{0}'' method convention on type ''{1}'' is deprecated. Rename to ''{2}''", NAME, RENDER_TYPE, STRING);
353 MAP.put(DELEGATE_SPECIAL_FUNCTION_AMBIGUITY, "Overload resolution ambiguity on method ''{0}'': {1}", STRING, AMBIGUOUS_CALLS);
354 MAP.put(DELEGATE_SPECIAL_FUNCTION_NONE_APPLICABLE, "Property delegate must have a ''{0}'' method. None of the following functions is suitable: {1}",
355 STRING, AMBIGUOUS_CALLS);
356 MAP.put(DELEGATE_SPECIAL_FUNCTION_RETURN_TYPE_MISMATCH, "The ''{0}'' function of property delegate is expected to return ''{1}'', but returns ''{2}''",
357 STRING, RENDER_TYPE, RENDER_TYPE);
358 MAP.put(DELEGATE_PD_METHOD_NONE_APPLICABLE, "''{0}'' method may be missing. None of the following functions will be called: {1}", STRING, AMBIGUOUS_CALLS);
359
360 MAP.put(COMPARE_TO_TYPE_MISMATCH, "''compareTo()'' must return kotlin.Int, but returns {0}", RENDER_TYPE);
361
362 MAP.put(UNDERSCORE_IS_RESERVED, "Names _, __, ___, ..., are reserved in Kotlin");
363 MAP.put(INVALID_CHARACTERS, "Name {0}", STRING);
364
365 MAP.put(INAPPLICABLE_OPERATOR_MODIFIER, "'operator' modifier is inapplicable on this function");
366 MAP.put(INAPPLICABLE_INFIX_MODIFIER, "'infix' modifier is inapplicable on this function");
367
368 MAP.put(OPERATOR_MODIFIER_REQUIRED, "'operator' modifier is required on ''{0}'' in ''{1}''", NAME, STRING);
369 MAP.put(INFIX_MODIFIER_REQUIRED, "'infix' modifier is required on ''{0}'' in ''{1}''", NAME, STRING);
370
371 MAP.put(RETURN_IN_FUNCTION_WITH_EXPRESSION_BODY,
372 "Returns are not allowed for functions with expression body. Use block body in '{...}'");
373 MAP.put(NO_RETURN_IN_FUNCTION_WITH_BLOCK_BODY, "A 'return' expression required in a function with a block body ('{...}')");
374 MAP.put(RETURN_TYPE_MISMATCH, "This function must return a value of type {0}", RENDER_TYPE);
375 MAP.put(EXPECTED_TYPE_MISMATCH, "Expected a value of type {0}", RENDER_TYPE);
376 MAP.put(ASSIGNMENT_TYPE_MISMATCH,
377 "Expected a value of type {0}. Assignment operation is not an expression, so it does not return any value", RENDER_TYPE);
378
379 MAP.put(EXPECTED_PARAMETER_TYPE_MISMATCH, "Expected parameter of type {0}", RENDER_TYPE);
380 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);
381
382 MAP.put(IMPLICIT_CAST_TO_UNIT_OR_ANY, "Type is cast to ''{0}''. Please specify ''{0}'' as expected type, if you mean such cast",
383 RENDER_TYPE);
384 MAP.put(EXPRESSION_EXPECTED, "{0} is not an expression, and only expressions are allowed here", new Renderer<KtExpression>() {
385 @NotNull
386 @Override
387 public String render(@NotNull KtExpression expression) {
388 String expressionType = expression.toString();
389 return expressionType.substring(0, 1) +
390 expressionType.substring(1).toLowerCase();
391 }
392 });
393
394 MAP.put(UPPER_BOUND_VIOLATED, "Type argument is not within its bounds: should be subtype of ''{0}''", RENDER_TYPE, RENDER_TYPE);
395 MAP.put(FINAL_UPPER_BOUND, "''{0}'' is a final type, and thus a value of the type parameter is predetermined", RENDER_TYPE);
396 MAP.put(UPPER_BOUND_IS_EXTENSION_FUNCTION_TYPE, "Extension function type can not be used as an upper bound");
397 MAP.put(DYNAMIC_UPPER_BOUND, "Dynamic type can not be used as an upper bound");
398 MAP.put(USELESS_ELVIS, "Elvis operator (?:) always returns the left operand of non-nullable type {0}", RENDER_TYPE);
399 MAP.put(USELESS_ELVIS_ON_FUNCTION_LITERAL, "Left operand of elvis operator (?:) is function literal");
400 MAP.put(CONFLICTING_UPPER_BOUNDS, "Upper bounds of {0} have empty intersection", NAME);
401
402 MAP.put(TOO_MANY_ARGUMENTS, "Too many arguments for {0}", FQ_NAMES_IN_TYPES);
403
404 MAP.put(CONSTANT_EXPECTED_TYPE_MISMATCH, "The {0} literal does not conform to the expected type {1}", STRING, RENDER_TYPE);
405 MAP.put(DIVISION_BY_ZERO, "Division by zero");
406 MAP.put(INTEGER_OVERFLOW, "This operation has led to an overflow");
407 MAP.put(INT_LITERAL_OUT_OF_RANGE, "The value is out of range");
408 MAP.put(WRONG_LONG_SUFFIX, "Use 'L' instead of 'l'");
409 MAP.put(FLOAT_LITERAL_OUT_OF_RANGE, "The value is out of range");
410 MAP.put(INCORRECT_CHARACTER_LITERAL, "Incorrect character literal");
411 MAP.put(EMPTY_CHARACTER_LITERAL, "Empty character literal");
412 MAP.put(TOO_MANY_CHARACTERS_IN_CHARACTER_LITERAL, "Too many characters in a character literal ''{0}''", ELEMENT_TEXT);
413 MAP.put(ILLEGAL_ESCAPE, "Illegal escape: ''{0}''", ELEMENT_TEXT);
414 MAP.put(NULL_FOR_NONNULL_TYPE, "Null can not be a value of a non-null type {0}", RENDER_TYPE);
415
416 MAP.put(ELSE_MISPLACED_IN_WHEN, "'else' entry must be the last one in a when-expression");
417 MAP.put(COMMA_IN_WHEN_CONDITION_WITHOUT_ARGUMENT, "Deprecated syntax. Use '||' instead of commas in when-condition for 'when' without argument");
418
419 MAP.put(NO_ELSE_IN_WHEN, "'when' expression must contain 'else' branch");
420 MAP.put(NON_EXHAUSTIVE_WHEN, "'when' expression contains only some variants and no 'else' branch");
421
422 MAP.put(TYPE_MISMATCH_IN_RANGE, "Type mismatch: incompatible types of range and element checked in it");
423 MAP.put(CYCLIC_INHERITANCE_HIERARCHY, "There's a cycle in the inheritance hierarchy for this type");
424 MAP.put(CYCLIC_GENERIC_UPPER_BOUND, "Type parameter has cyclic upper bounds");
425
426 MAP.put(MANY_CLASSES_IN_SUPERTYPE_LIST, "Only one class may appear in a supertype list");
427 MAP.put(SUPERTYPE_NOT_A_CLASS_OR_INTERFACE, "Only classes and interfaces may serve as supertypes");
428 MAP.put(SUPERTYPE_IS_EXTENSION_FUNCTION_TYPE, "Extension function type is not allowed as supertypes");
429 MAP.put(SUPERTYPE_INITIALIZED_IN_INTERFACE, "Interfaces cannot initialize supertypes");
430 MAP.put(CLASS_IN_SUPERTYPE_FOR_ENUM, "Enum class cannot inherit from classes");
431 MAP.put(CONSTRUCTOR_IN_INTERFACE, "An interface may not have a constructor");
432 MAP.put(METHOD_OF_ANY_IMPLEMENTED_IN_INTERFACE, "An interface may not implement a method of 'kotlin.Any'");
433 MAP.put(INTERFACE_WITH_SUPERCLASS, "An interface cannot inherit from a class");
434 MAP.put(SUPERTYPE_APPEARS_TWICE, "A supertype appears twice");
435 MAP.put(FINAL_SUPERTYPE, "This type is final, so it cannot be inherited from");
436 MAP.put(DATA_CLASS_CANNOT_HAVE_CLASS_SUPERTYPES, "Data class inheritance from other classes is forbidden");
437 MAP.put(SEALED_SUPERTYPE, "This type is sealed, so it can be inherited by only its own nested classes or objects");
438 MAP.put(SEALED_SUPERTYPE_IN_LOCAL_CLASS, "Local class cannot extend a sealed class");
439 MAP.put(SINGLETON_IN_SUPERTYPE, "Cannot inherit from a singleton");
440
441 MAP.put(CYCLIC_CONSTRUCTOR_DELEGATION_CALL, "There's a cycle in the delegation calls chain");
442 MAP.put(CONSTRUCTOR_IN_OBJECT, "Constructors are not allowed for objects");
443 MAP.put(SUPERTYPE_INITIALIZED_WITHOUT_PRIMARY_CONSTRUCTOR, "Supertype initialization is impossible without primary constructor");
444 MAP.put(PRIMARY_CONSTRUCTOR_DELEGATION_CALL_EXPECTED, "Primary constructor call expected");
445 MAP.put(DELEGATION_SUPER_CALL_IN_ENUM_CONSTRUCTOR, "Call to super is not allowed in enum constructor");
446 MAP.put(PRIMARY_CONSTRUCTOR_REQUIRED_FOR_DATA_CLASS, "Primary constructor required for data class");
447 MAP.put(EXPLICIT_DELEGATION_CALL_REQUIRED,
448 "Explicit 'this' or 'super' call is required. There is no constructor in superclass that can be called without arguments");
449
450 MAP.put(INSTANCE_ACCESS_BEFORE_SUPER_CALL, "Cannot access ''{0}'' before superclass constructor has been called", NAME);
451
452 MAP.put(ILLEGAL_SELECTOR, "Expression ''{0}'' cannot be a selector (occur after a dot)", STRING);
453
454 MAP.put(SAFE_CALL_IN_QUALIFIER, "Safe call is not allowed for qualifier");
455
456 MAP.put(NO_TAIL_CALLS_FOUND, "A function is marked as tail-recursive but no tail calls are found");
457 MAP.put(VALUE_PARAMETER_WITH_NO_TYPE_ANNOTATION, "A type annotation is required on a value parameter");
458 MAP.put(BREAK_OR_CONTINUE_OUTSIDE_A_LOOP, "'break' and 'continue' are only allowed inside a loop");
459 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");
460 MAP.put(BREAK_OR_CONTINUE_JUMPS_ACROSS_FUNCTION_BOUNDARY, "'break' or 'continue' jumps across a function boundary");
461 MAP.put(NOT_A_LOOP_LABEL, "The label ''{0}'' does not denote a loop", STRING);
462 MAP.put(NOT_A_RETURN_LABEL, "The label ''{0}'' does not reference to a context from which we can return", STRING);
463
464 MAP.put(ANONYMOUS_INITIALIZER_IN_INTERFACE, "Anonymous initializers are not allowed in interfaces");
465 MAP.put(NULLABLE_SUPERTYPE, "A supertype cannot be nullable");
466 MAP.put(DYNAMIC_SUPERTYPE, "A supertype cannot be dynamic");
467 MAP.put(REDUNDANT_NULLABLE, "Redundant '?'");
468 MAP.put(UNSAFE_CALL, "Only safe (?.) or non-null asserted (!!.) calls are allowed on a nullable receiver of type {0}", RENDER_TYPE);
469 MAP.put(AMBIGUOUS_LABEL, "Ambiguous label");
470 MAP.put(UNSUPPORTED, "Unsupported [{0}]", STRING);
471 MAP.put(EXCEPTION_FROM_ANALYZER, "Internal Error occurred while analyzing this expression:\n{0}", THROWABLE);
472 MAP.put(UNNECESSARY_SAFE_CALL, "Unnecessary safe call on a non-null receiver of type {0}", RENDER_TYPE);
473 MAP.put(UNEXPECTED_SAFE_CALL, "Safe-call is not allowed here");
474 MAP.put(UNNECESSARY_NOT_NULL_ASSERTION, "Unnecessary non-null assertion (!!) on a non-null receiver of type {0}", RENDER_TYPE);
475 MAP.put(NOT_NULL_ASSERTION_ON_FUNCTION_LITERAL, "Non-null assertion (!!) is called on function literal");
476 MAP.put(NAME_IN_CONSTRAINT_IS_NOT_A_TYPE_PARAMETER, "{0} does not refer to a type parameter of {1}", new Renderer<KtTypeConstraint>() {
477 @NotNull
478 @Override
479 public String render(@NotNull KtTypeConstraint typeConstraint) {
480 //noinspection ConstantConditions
481 return typeConstraint.getSubjectTypeParameterName().getReferencedName();
482 }
483 }, DECLARATION_NAME);
484 MAP.put(SMARTCAST_IMPOSSIBLE,
485 "Smart cast to ''{0}'' is impossible, because ''{1}'' is a {2}", RENDER_TYPE, STRING, STRING);
486 MAP.put(ALWAYS_NULL, "The result of the expression is always null");
487
488 MAP.put(MISSING_CONSTRUCTOR_KEYWORD, "Use 'constructor' keyword after modifiers of primary constructor");
489
490 MAP.put(VARIANCE_ON_TYPE_PARAMETER_OF_FUNCTION_OR_PROPERTY, "Variance annotations are only allowed for type parameters of classes and interfaces");
491
492 MAP.put(DEPRECATED_TYPE_PARAMETER_SYNTAX, "Placing function type parameters after the function name is deprecated");
493
494 MAP.put(MISPLACED_TYPE_PARAMETER_CONSTRAINTS, "If a type parameter has multiple constraints, they all need to be placed in the 'where' clause");
495
496 MAP.put(TYPE_VARIANCE_CONFLICT, "Type parameter {0} is declared as ''{1}'' but occurs in ''{2}'' position in type {3}",
497 new MultiRenderer<VarianceConflictDiagnosticData>() {
498 @NotNull
499 @Override
500 public String[] render(@NotNull VarianceConflictDiagnosticData data) {
501 return new String[] {
502 NAME.render(data.getTypeParameter()),
503 RENDER_POSITION_VARIANCE.render(data.getTypeParameter().getVariance()),
504 RENDER_POSITION_VARIANCE.render(data.getOccurrencePosition()),
505 RENDER_TYPE.render(data.getContainingType())
506 };
507 }
508 });
509
510 MAP.put(FINITE_BOUNDS_VIOLATION, "This type parameter violates the Finite Bound Restriction");
511 MAP.put(FINITE_BOUNDS_VIOLATION_IN_JAVA, "Violation of Finite Bound Restriction for {0}", STRING);
512 MAP.put(EXPANSIVE_INHERITANCE, "This type parameter violates the Non-Expansive Inheritance Restriction");
513 MAP.put(EXPANSIVE_INHERITANCE_IN_JAVA, "Violation of Non-Expansive Inheritance Restriction for {0}", STRING);
514 MAP.put(REDUNDANT_PROJECTION, "Projection is redundant: the corresponding type parameter of {0} has the same variance", NAME);
515 MAP.put(CONFLICTING_PROJECTION, "Projection is conflicting with variance of the corresponding type parameter of {0}. Remove the projection or replace it with ''*''", NAME);
516
517 MAP.put(TYPE_ARGUMENTS_FOR_OUTER_CLASS_WHEN_NESTED_REFERENCED, "Type arguments for outer class are redundant when nested class is referenced");
518
519 MAP.put(REIFIED_TYPE_IN_CATCH_CLAUSE, "Reified type is forbidden for catch parameter");
520 MAP.put(GENERIC_THROWABLE_SUBCLASS, "Subclass of 'kotlin.Throwable' may not have type parameters");
521
522 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,
523 RENDER_TYPE);
524 MAP.put(TYPE_MISMATCH_IN_CONDITION, "Condition must be of type kotlin.Boolean, but is of type {0}", RENDER_TYPE);
525 MAP.put(INCOMPATIBLE_TYPES, "Incompatible types: {0} and {1}", RENDER_TYPE, RENDER_TYPE);
526 MAP.put(IMPLICIT_NOTHING_RETURN_TYPE, "''Nothing'' return type needs to be specified explicitly");
527 MAP.put(EXPECTED_CONDITION, "Expected condition of type kotlin.Boolean");
528
529 MAP.put(CANNOT_CHECK_FOR_ERASED, "Cannot check for instance of erased type: {0}", RENDER_TYPE);
530 MAP.put(UNCHECKED_CAST, "Unchecked cast: {0} to {1}", RENDER_TYPE, RENDER_TYPE);
531
532 MAP.put(INCONSISTENT_TYPE_PARAMETER_VALUES, "Type parameter {0} of ''{1}'' has inconsistent values: {2}", NAME, NAME, RENDER_COLLECTION_OF_TYPES);
533 MAP.put(INCONSISTENT_TYPE_PARAMETER_BOUNDS, "Type parameter {0} of ''{1}'' has inconsistent bounds: {2}", NAME, NAME, RENDER_COLLECTION_OF_TYPES);
534
535 MAP.put(EQUALITY_NOT_APPLICABLE, "Operator ''{0}'' cannot be applied to ''{1}'' and ''{2}''", new Renderer<KtSimpleNameExpression>() {
536 @NotNull
537 @Override
538 public String render(@NotNull KtSimpleNameExpression nameExpression) {
539 //noinspection ConstantConditions
540 return nameExpression.getReferencedName();
541 }
542 }, RENDER_TYPE, RENDER_TYPE);
543
544 MAP.put(SENSELESS_COMPARISON, "Condition ''{0}'' is always ''{1}''", ELEMENT_TEXT, TO_STRING);
545 MAP.put(SENSELESS_NULL_IN_WHEN, "Expression under 'when' is never equal to null");
546
547 MAP.put(INVALID_IF_AS_EXPRESSION, "'if' must have both main and 'else' branches if used as an expression");
548
549 MAP.put(OVERRIDING_FINAL_MEMBER, "''{0}'' in ''{1}'' is final and cannot be overridden", NAME, NAME);
550 MAP.put(CANNOT_WEAKEN_ACCESS_PRIVILEGE, "Cannot weaken access privilege ''{0}'' for ''{1}'' in ''{2}''", TO_STRING, NAME, NAME);
551 MAP.put(CANNOT_CHANGE_ACCESS_PRIVILEGE, "Cannot change access privilege ''{0}'' for ''{1}'' in ''{2}''", TO_STRING, NAME, NAME);
552
553 MAP.put(RETURN_TYPE_MISMATCH_ON_OVERRIDE, "Return type of ''{0}'' is not a subtype of the return type of the overridden member ''{1}''",
554 NAME, FQ_NAMES_IN_TYPES);
555
556 MAP.put(PROPERTY_TYPE_MISMATCH_ON_OVERRIDE, "Type of ''{0}'' doesn''t match the type of the overridden var-property ''{1}''",
557 NAME, FQ_NAMES_IN_TYPES);
558
559 MAP.put(VAR_OVERRIDDEN_BY_VAL, "Var-property {0} cannot be overridden by val-property {1}", FQ_NAMES_IN_TYPES, FQ_NAMES_IN_TYPES);
560
561 MAP.put(ABSTRACT_MEMBER_NOT_IMPLEMENTED, "{0} must be declared abstract or implement abstract member {1}", RENDER_CLASS_OR_OBJECT,
562 FQ_NAMES_IN_TYPES);
563 MAP.put(ABSTRACT_CLASS_MEMBER_NOT_IMPLEMENTED, "{0} must be declared abstract or implement abstract base class member {1}",
564 RENDER_CLASS_OR_OBJECT, FQ_NAMES_IN_TYPES);
565
566 MAP.put(MANY_IMPL_MEMBER_NOT_IMPLEMENTED, "{0} must override {1} because it inherits many implementations of it",
567 RENDER_CLASS_OR_OBJECT, FQ_NAMES_IN_TYPES);
568 MAP.put(MANY_INTERFACES_MEMBER_NOT_IMPLEMENTED, "{0} must override {1} because it inherits multiple interface methods of it",
569 RENDER_CLASS_OR_OBJECT, FQ_NAMES_IN_TYPES);
570
571 MAP.put(CONFLICTING_OVERLOADS, "''{0}'' is already defined in {1}", COMPACT_WITH_MODIFIERS, STRING);
572
573 MAP.put(FUNCTION_EXPECTED, "Expression ''{0}''{1} cannot be invoked as a function. " +
574 "The function '" + OperatorNameConventions.INVOKE.asString() + "()' is not found",
575 ELEMENT_TEXT, new Renderer<KotlinType>() {
576 @NotNull
577 @Override
578 public String render(@NotNull KotlinType type) {
579 if (type.isError()) return "";
580 return " of type '" + RENDER_TYPE.render(type) + "'";
581 }
582 });
583 MAP.put(FUNCTION_CALL_EXPECTED, "Function invocation ''{0}({1})'' expected", ELEMENT_TEXT, new Renderer<Boolean>() {
584 @NotNull
585 @Override
586 public String render(@NotNull Boolean hasValueParameters) {
587 return hasValueParameters ? "..." : "";
588 }
589 });
590 MAP.put(NON_TAIL_RECURSIVE_CALL, "Recursive call is not a tail call");
591 MAP.put(TAIL_RECURSION_IN_TRY_IS_NOT_SUPPORTED, "Tail recursion optimization inside try/catch/finally is not supported");
592
593 MAP.put(RESULT_TYPE_MISMATCH, "{0} must return {1} but returns {2}", STRING, RENDER_TYPE, RENDER_TYPE);
594 MAP.put(UNSAFE_INFIX_CALL,
595 "Infix call corresponds to a dot-qualified call ''{0}.{1}({2})'' which is not allowed on a nullable receiver ''{0}''. " +
596 "Use '?.'-qualified call instead",
597 STRING, STRING, STRING);
598
599 MAP.put(OVERLOAD_RESOLUTION_AMBIGUITY, "Overload resolution ambiguity: {0}", AMBIGUOUS_CALLS);
600 MAP.put(NONE_APPLICABLE, "None of the following functions can be called with the arguments supplied: {0}", AMBIGUOUS_CALLS);
601 MAP.put(CANNOT_COMPLETE_RESOLVE, "Cannot choose among the following candidates without completing type inference: {0}", AMBIGUOUS_CALLS);
602 MAP.put(UNRESOLVED_REFERENCE_WRONG_RECEIVER, "Unresolved reference. None of the following candidates is applicable because of receiver type mismatch: {0}", AMBIGUOUS_CALLS);
603 MAP.put(INVOKE_EXTENSION_ON_NOT_EXTENSION_FUNCTION, "Impossible call as extension because {0} is not an extension function.", ELEMENT_TEXT);
604 MAP.put(INVOKE_ON_EXTENSION_FUNCTION_WITH_EXPLICIT_DISPATCH_RECEIVER, "Such calls are no longer supported, surround callee with parenthesis or pass receiver as first argument");
605
606 MAP.put(NO_VALUE_FOR_PARAMETER, "No value passed for parameter {0}", NAME);
607 MAP.put(MISSING_RECEIVER, "A receiver of type {0} is required", RENDER_TYPE);
608 MAP.put(NO_RECEIVER_ALLOWED, "No receiver can be passed to this function or property");
609
610 MAP.put(CREATING_AN_INSTANCE_OF_ABSTRACT_CLASS, "Cannot create an instance of an abstract class");
611
612 MAP.put(TYPE_INFERENCE_CONFLICTING_SUBSTITUTIONS, "Type inference failed: {0}", TYPE_INFERENCE_CONFLICTING_SUBSTITUTIONS_RENDERER);
613 MAP.put(TYPE_INFERENCE_CANNOT_CAPTURE_TYPES, "Type inference failed: {0}", TYPE_INFERENCE_CANNOT_CAPTURE_TYPES_RENDERER);
614 MAP.put(TYPE_INFERENCE_NO_INFORMATION_FOR_PARAMETER, "Type inference failed: {0}", TYPE_INFERENCE_NO_INFORMATION_FOR_PARAMETER_RENDERER);
615 MAP.put(TYPE_INFERENCE_PARAMETER_CONSTRAINT_ERROR, "Type inference failed: {0}", TYPE_INFERENCE_PARAMETER_CONSTRAINT_ERROR_RENDERER);
616 MAP.put(TYPE_INFERENCE_INCORPORATION_ERROR, "Type inference failed. Please try to specify type arguments explicitly.");
617 MAP.put(TYPE_INFERENCE_ONLY_INPUT_TYPES, "Type inference failed. The value of the type parameter {0} should be mentioned in input types " +
618 "(argument types, receiver type or expected type). Try to specify it explicitly.", NAME);
619 MAP.put(TYPE_INFERENCE_UPPER_BOUND_VIOLATED, "{0}", TYPE_INFERENCE_UPPER_BOUND_VIOLATED_RENDERER);
620 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);
621
622 MAP.put(WRONG_NUMBER_OF_TYPE_ARGUMENTS, "{0,choice,0#No type arguments|1#Type argument|1<{0,number,integer} type arguments} expected", (Renderer) null);
623 MAP.put(NO_TYPE_ARGUMENTS_ON_RHS, "{0,choice,0#No type arguments|1#Type argument|1<{0,number,integer} type arguments} expected. " +
624 "Use ''{1}'' if you don''t want to pass type arguments", null, STRING);
625
626 MAP.put(TYPE_PARAMETER_AS_REIFIED, "Cannot use ''{0}'' as reified type parameter. Use a class instead.", NAME);
627 MAP.put(REIFIED_TYPE_PARAMETER_NO_INLINE, "Only type parameters of inline functions can be reified");
628 MAP.put(REIFIED_TYPE_FORBIDDEN_SUBSTITUTION, "Cannot use ''{0}'' as reified type parameter", RENDER_TYPE);
629 MAP.put(TYPE_PARAMETERS_NOT_ALLOWED, "Type parameters are not allowed here");
630
631 MAP.put(TYPE_PARAMETER_OF_PROPERTY_NOT_USED_IN_RECEIVER, "Type parameter of a property must be used in its receiver type");
632
633 MAP.put(SUPERTYPES_FOR_ANNOTATION_CLASS, "Annotation class cannot have supertypes");
634 MAP.put(MISSING_VAL_ON_ANNOTATION_PARAMETER, "'val' keyword is missing on annotation parameter");
635 MAP.put(ANNOTATION_CLASS_CONSTRUCTOR_CALL, "Annotation class cannot be instantiated");
636 MAP.put(NOT_AN_ANNOTATION_CLASS, "''{0}'' is not an annotation class", NAME);
637 MAP.put(ANNOTATION_CLASS_WITH_BODY, "Body is not allowed for annotation class");
638 MAP.put(INVALID_TYPE_OF_ANNOTATION_MEMBER, "Invalid type of annotation member");
639 MAP.put(NULLABLE_TYPE_OF_ANNOTATION_MEMBER, "An annotation parameter cannot be nullable");
640 MAP.put(ANNOTATION_PARAMETER_MUST_BE_CONST, "An annotation parameter must be a compile-time constant");
641 MAP.put(ANNOTATION_PARAMETER_MUST_BE_ENUM_CONST, "An enum annotation parameter must be a enum constant");
642 MAP.put(ANNOTATION_PARAMETER_MUST_BE_KCLASS_LITERAL, "An annotation parameter must be a class literal (T::class)");
643 MAP.put(ANNOTATION_PARAMETER_DEFAULT_VALUE_MUST_BE_CONSTANT, "Default value of annotation parameter must be a compile-time constant");
644
645 MAP.put(CONST_VAL_NOT_TOP_LEVEL_OR_OBJECT, "Const 'val' are only allowed on top level or in objects");
646 MAP.put(CONST_VAL_WITH_DELEGATE, "Const 'val' should not have a delegate");
647 MAP.put(CONST_VAL_WITH_GETTER, "Const 'val' should not have a getter");
648 MAP.put(TYPE_CANT_BE_USED_FOR_CONST_VAL, "Const 'val' has type ''{0}''. Only primitives and String are allowed", RENDER_TYPE);
649 MAP.put(CONST_VAL_WITHOUT_INITIALIZER, "Const 'val' should have an initializer");
650 MAP.put(CONST_VAL_WITH_NON_CONST_INITIALIZER, "Const 'val' initializer should be a constant value");
651 MAP.put(NON_CONST_VAL_USED_IN_CONSTANT_EXPRESSION, "Only 'const val' can be used in constant expressions");
652
653 MAP.put(DEFAULT_VALUE_NOT_ALLOWED_IN_OVERRIDE, "An overriding function is not allowed to specify default values for its parameters");
654
655
656 String multipleDefaultsMessage = "More than one overridden descriptor declares a default value for ''{0}''. " +
657 "As the compiler can not make sure these values agree, this is not allowed.";
658 MAP.put(MULTIPLE_DEFAULTS_INHERITED_FROM_SUPERTYPES, multipleDefaultsMessage, FQ_NAMES_IN_TYPES);
659 MAP.put(MULTIPLE_DEFAULTS_INHERITED_FROM_SUPERTYPES_WHEN_NO_EXPLICIT_OVERRIDE, multipleDefaultsMessage, FQ_NAMES_IN_TYPES);
660
661 MAP.put(PARAMETER_NAME_CHANGED_ON_OVERRIDE, "The corresponding parameter in the supertype ''{0}'' is named ''{1}''. " +
662 "This may cause problems when calling this function with named arguments.", NAME, NAME);
663
664 MAP.put(DIFFERENT_NAMES_FOR_THE_SAME_PARAMETER_IN_SUPERTYPES,
665 "Names of the parameter #{1} conflict in the following members of supertypes: ''{0}''. " +
666 "This may cause problems when calling this function with named arguments.", commaSeparated(FQ_NAMES_IN_TYPES), TO_STRING);
667
668 MAP.put(NAME_FOR_AMBIGUOUS_PARAMETER, "Named argument is not allowed for a parameter with an ambiguous name");
669
670 MAP.put(DATA_CLASS_WITHOUT_PARAMETERS, "Data class must have at least one primary constructor parameter");
671 MAP.put(DATA_CLASS_VARARG_PARAMETER, "Primary constructor vararg parameters are forbidden for data classes");
672 MAP.put(DATA_CLASS_NOT_PROPERTY_PARAMETER, "Data class primary constructor must have only property (val / var) parameters");
673
674 MAP.put(AMBIGUOUS_ANONYMOUS_TYPE_INFERRED, "Right-hand side has anonymous type. Please specify type explicitly", TO_STRING);
675
676 MAP.put(EXTENSION_IN_CLASS_REFERENCE_NOT_ALLOWED,
677 "''{0}'' is a member and an extension at the same time. References to such elements are not allowed", NAME);
678 MAP.put(CALLABLE_REFERENCE_LHS_NOT_A_CLASS, "Left-hand side of a callable reference cannot be a type parameter");
679 MAP.put(CALLABLE_REFERENCE_TO_MEMBER_OR_EXTENSION_WITH_EMPTY_LHS,
680 "Left-hand side of a callable reference with a receiver parameter cannot be empty. " +
681 "Please specify the type of the receiver before '::' explicitly");
682 MAP.put(CALLABLE_REFERENCE_TO_OBJECT_MEMBER, "Callable references to object members are not supported");
683 MAP.put(CALLABLE_REFERENCE_TO_ANNOTATION_CONSTRUCTOR, "Annotation class cannot be instantiated");
684
685 MAP.put(CLASS_LITERAL_LHS_NOT_A_CLASS, "Only classes are allowed on the left hand side of a class literal");
686 MAP.put(ARRAY_CLASS_LITERAL_REQUIRES_ARGUMENT, "kotlin.Array class literal requires a type argument, please specify one in angle brackets");
687
688 //Inline
689 MAP.put(INVISIBLE_MEMBER_FROM_INLINE, "Public-API inline function cannot access non-public-API ''{0}''", SHORT_NAMES_IN_TYPES, SHORT_NAMES_IN_TYPES);
690 MAP.put(NOT_YET_SUPPORTED_IN_INLINE, "''{0}'' construction is not yet supported in inline functions", ELEMENT_TEXT, SHORT_NAMES_IN_TYPES);
691 MAP.put(DECLARATION_CANT_BE_INLINED, "''inline'' modifier is not allowed on virtual members. Only private or final members can be inlined");
692 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);
693 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);
694 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);
695 MAP.put(RECURSION_IN_INLINE, "Inline function ''{1}'' cannot be recursive", ELEMENT_TEXT, SHORT_NAMES_IN_TYPES);
696 //Inline non locals
697 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, SHORT_NAMES_IN_TYPES, SHORT_NAMES_IN_TYPES);
698 MAP.put(INLINE_CALL_CYCLE, "The ''{0}'' invocation is a part of inline cycle", NAME);
699 MAP.put(NON_LOCAL_RETURN_IN_DISABLED_INLINE, "Non-local returns are not allowed with inlining disabled");
700
701 MAP.setImmutable();
702
703 for (Field field : Errors.class.getFields()) {
704 if (Modifier.isStatic(field.getModifiers())) {
705 try {
706 Object fieldValue = field.get(null);
707 if (fieldValue instanceof DiagnosticFactory) {
708 if (MAP.get((DiagnosticFactory<?>) fieldValue) == null) {
709 throw new IllegalStateException("No default diagnostic renderer is provided for " + ((DiagnosticFactory<?>)fieldValue).getName());
710 }
711 }
712 }
713 catch (IllegalAccessException e) {
714 throw new IllegalStateException(e);
715 }
716 }
717 }
718 }
719
720 private DefaultErrorMessages() {
721 }
722 }