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