namespace Microsoft.CodeAnalysis.CSharp
{
    internal static partial class ErrorFacts
    {
        public static bool IsWarning(ErrorCode code)
        {
            switch (code)
            {
                case ErrorCode.WRN_InvalidMainSig:
                case ErrorCode.WRN_UnreferencedEvent:
                case ErrorCode.WRN_LowercaseEllSuffix:
                case ErrorCode.WRN_DuplicateUsing:
                case ErrorCode.WRN_NewRequired:
                case ErrorCode.WRN_NewNotRequired:
                case ErrorCode.WRN_NewOrOverrideExpected:
                case ErrorCode.WRN_UnreachableCode:
                case ErrorCode.WRN_UnreferencedLabel:
                case ErrorCode.WRN_UnreferencedVar:
                case ErrorCode.WRN_UnreferencedField:
                case ErrorCode.WRN_IsAlwaysTrue:
                case ErrorCode.WRN_IsAlwaysFalse:
                case ErrorCode.WRN_ByRefNonAgileField:
                case ErrorCode.WRN_UnreferencedVarAssg:
                case ErrorCode.WRN_NegativeArrayIndex:
                case ErrorCode.WRN_BadRefCompareLeft:
                case ErrorCode.WRN_BadRefCompareRight:
                case ErrorCode.WRN_PatternIsAmbiguous:
                case ErrorCode.WRN_PatternStaticOrInaccessible:
                case ErrorCode.WRN_PatternBadSignature:
                case ErrorCode.WRN_SequentialOnPartialClass:
                case ErrorCode.WRN_MainCantBeGeneric:
                case ErrorCode.WRN_UnreferencedFieldAssg:
                case ErrorCode.WRN_AmbiguousXMLReference:
                case ErrorCode.WRN_VolatileByRef:
                case ErrorCode.WRN_SameFullNameThisNsAgg:
                case ErrorCode.WRN_SameFullNameThisAggAgg:
                case ErrorCode.WRN_SameFullNameThisAggNs:
                case ErrorCode.WRN_GlobalAliasDefn:
                case ErrorCode.WRN_AlwaysNull:
                case ErrorCode.WRN_CmpAlwaysFalse:
                case ErrorCode.WRN_FinalizeMethod:
                case ErrorCode.WRN_GotoCaseShouldConvert:
                case ErrorCode.WRN_NubExprIsConstBool:
                case ErrorCode.WRN_ExplicitImplCollision:
                case ErrorCode.WRN_DeprecatedSymbol:
                case ErrorCode.WRN_DeprecatedSymbolStr:
                case ErrorCode.WRN_ExternMethodNoImplementation:
                case ErrorCode.WRN_ProtectedInSealed:
                case ErrorCode.WRN_PossibleMistakenNullStatement:
                case ErrorCode.WRN_UnassignedInternalField:
                case ErrorCode.WRN_VacuousIntegralComp:
                case ErrorCode.WRN_AttributeLocationOnBadDeclaration:
                case ErrorCode.WRN_InvalidAttributeLocation:
                case ErrorCode.WRN_EqualsWithoutGetHashCode:
                case ErrorCode.WRN_EqualityOpWithoutEquals:
                case ErrorCode.WRN_EqualityOpWithoutGetHashCode:
                case ErrorCode.WRN_IncorrectBooleanAssg:
                case ErrorCode.WRN_NonObsoleteOverridingObsolete:
                case ErrorCode.WRN_BitwiseOrSignExtend:
                case ErrorCode.WRN_CoClassWithoutComImport:
                case ErrorCode.WRN_TypeParameterSameAsOuterTypeParameter:
                case ErrorCode.WRN_AssignmentToLockOrDispose:
                case ErrorCode.WRN_ObsoleteOverridingNonObsolete:
                case ErrorCode.WRN_DebugFullNameTooLong:
                case ErrorCode.WRN_ExternCtorNoImplementation:
                case ErrorCode.WRN_WarningDirective:
                case ErrorCode.WRN_UnreachableGeneralCatch:
                case ErrorCode.WRN_DeprecatedCollectionInitAddStr:
                case ErrorCode.WRN_DeprecatedCollectionInitAdd:
                case ErrorCode.WRN_DefaultValueForUnconsumedLocation:
                case ErrorCode.WRN_IdentifierOrNumericLiteralExpected:
                case ErrorCode.WRN_EmptySwitch:
                case ErrorCode.WRN_XMLParseError:
                case ErrorCode.WRN_DuplicateParamTag:
                case ErrorCode.WRN_UnmatchedParamTag:
                case ErrorCode.WRN_MissingParamTag:
                case ErrorCode.WRN_BadXMLRef:
                case ErrorCode.WRN_BadXMLRefParamType:
                case ErrorCode.WRN_BadXMLRefReturnType:
                case ErrorCode.WRN_BadXMLRefSyntax:
                case ErrorCode.WRN_UnprocessedXMLComment:
                case ErrorCode.WRN_FailedInclude:
                case ErrorCode.WRN_InvalidInclude:
                case ErrorCode.WRN_MissingXMLComment:
                case ErrorCode.WRN_XMLParseIncludeError:
                case ErrorCode.WRN_ALinkWarn:
                case ErrorCode.WRN_CmdOptionConflictsSource:
                case ErrorCode.WRN_IllegalPragma:
                case ErrorCode.WRN_IllegalPPWarning:
                case ErrorCode.WRN_BadRestoreNumber:
                case ErrorCode.WRN_NonECMAFeature:
                case ErrorCode.WRN_ErrorOverride:
                case ErrorCode.WRN_InvalidSearchPathDir:
                case ErrorCode.WRN_MultiplePredefTypes:
                case ErrorCode.WRN_TooManyLinesForDebugger:
                case ErrorCode.WRN_CallOnNonAgileField:
                case ErrorCode.WRN_InvalidNumber:
                case ErrorCode.WRN_IllegalPPChecksum:
                case ErrorCode.WRN_EndOfPPLineExpected:
                case ErrorCode.WRN_ConflictingChecksum:
                case ErrorCode.WRN_InvalidAssemblyName:
                case ErrorCode.WRN_UnifyReferenceMajMin:
                case ErrorCode.WRN_UnifyReferenceBldRev:
                case ErrorCode.WRN_DuplicateTypeParamTag:
                case ErrorCode.WRN_UnmatchedTypeParamTag:
                case ErrorCode.WRN_MissingTypeParamTag:
                case ErrorCode.WRN_AssignmentToSelf:
                case ErrorCode.WRN_ComparisonToSelf:
                case ErrorCode.WRN_DotOnDefault:
                case ErrorCode.WRN_BadXMLRefTypeVar:
                case ErrorCode.WRN_UnmatchedParamRefTag:
                case ErrorCode.WRN_UnmatchedTypeParamRefTag:
                case ErrorCode.WRN_ReferencedAssemblyReferencesLinkedPIA:
                case ErrorCode.WRN_CantHaveManifestForModule:
                case ErrorCode.WRN_MultipleRuntimeImplementationMatches:
                case ErrorCode.WRN_MultipleRuntimeOverrideMatches:
                case ErrorCode.WRN_DynamicDispatchToConditionalMethod:
                case ErrorCode.WRN_IsDynamicIsConfusing:
                case ErrorCode.WRN_AsyncLacksAwaits:
                case ErrorCode.WRN_FileAlreadyIncluded:
                case ErrorCode.WRN_NoSources:
                case ErrorCode.WRN_NoConfigNotOnCommandLine:
                case ErrorCode.WRN_DefineIdentifierRequired:
                case ErrorCode.WRN_BadUILang:
                case ErrorCode.WRN_CLS_NoVarArgs:
                case ErrorCode.WRN_CLS_BadArgType:
                case ErrorCode.WRN_CLS_BadReturnType:
                case ErrorCode.WRN_CLS_BadFieldPropType:
                case ErrorCode.WRN_CLS_BadIdentifierCase:
                case ErrorCode.WRN_CLS_OverloadRefOut:
                case ErrorCode.WRN_CLS_OverloadUnnamed:
                case ErrorCode.WRN_CLS_BadIdentifier:
                case ErrorCode.WRN_CLS_BadBase:
                case ErrorCode.WRN_CLS_BadInterfaceMember:
                case ErrorCode.WRN_CLS_NoAbstractMembers:
                case ErrorCode.WRN_CLS_NotOnModules:
                case ErrorCode.WRN_CLS_ModuleMissingCLS:
                case ErrorCode.WRN_CLS_AssemblyNotCLS:
                case ErrorCode.WRN_CLS_BadAttributeType:
                case ErrorCode.WRN_CLS_ArrayArgumentToAttribute:
                case ErrorCode.WRN_CLS_NotOnModules2:
                case ErrorCode.WRN_CLS_IllegalTrueInFalse:
                case ErrorCode.WRN_CLS_MeaninglessOnPrivateType:
                case ErrorCode.WRN_CLS_AssemblyNotCLS2:
                case ErrorCode.WRN_CLS_MeaninglessOnParam:
                case ErrorCode.WRN_CLS_MeaninglessOnReturn:
                case ErrorCode.WRN_CLS_BadTypeVar:
                case ErrorCode.WRN_CLS_VolatileField:
                case ErrorCode.WRN_CLS_BadInterface:
                case ErrorCode.WRN_UnobservedAwaitableExpression:
                case ErrorCode.WRN_CallerLineNumberParamForUnconsumedLocation:
                case ErrorCode.WRN_CallerFilePathParamForUnconsumedLocation:
                case ErrorCode.WRN_CallerMemberNameParamForUnconsumedLocation:
                case ErrorCode.WRN_MainIgnored:
                case ErrorCode.WRN_DelaySignButNoKey:
                case ErrorCode.WRN_InvalidVersionFormat:
                case ErrorCode.WRN_CallerFilePathPreferredOverCallerMemberName:
                case ErrorCode.WRN_CallerLineNumberPreferredOverCallerMemberName:
                case ErrorCode.WRN_CallerLineNumberPreferredOverCallerFilePath:
                case ErrorCode.WRN_AssemblyAttributeFromModuleIsOverridden:
                case ErrorCode.WRN_FilterIsConstantTrue:
                case ErrorCode.WRN_UnimplementedCommandLineSwitch:
                case ErrorCode.WRN_ReferencedAssemblyDoesNotHaveStrongName:
                case ErrorCode.WRN_RefCultureMismatch:
                case ErrorCode.WRN_ConflictingMachineAssembly:
                case ErrorCode.WRN_UnqualifiedNestedTypeInCref:
                case ErrorCode.WRN_NoRuntimeMetadataVersion:
                case ErrorCode.WRN_PdbLocalNameTooLong:
                case ErrorCode.WRN_AnalyzerCannotBeCreated:
                case ErrorCode.WRN_NoAnalyzerInAssembly:
                case ErrorCode.WRN_UnableToLoadAnalyzer:
                case ErrorCode.WRN_NubExprIsConstBool2:
                case ErrorCode.WRN_AlignmentMagnitude:
                case ErrorCode.WRN_AttributeIgnoredWhenPublicSigning:
                case ErrorCode.WRN_TupleLiteralNameMismatch:
                case ErrorCode.WRN_Experimental:
                case ErrorCode.WRN_UnreferencedLocalFunction:
                case ErrorCode.WRN_FilterIsConstantFalse:
                case ErrorCode.WRN_FilterIsConstantFalseRedundantTryCatch:
                case ErrorCode.WRN_AttributesOnBackingFieldsNotAvailable:
                case ErrorCode.WRN_TupleBinopLiteralNameMismatch:
                case ErrorCode.WRN_TypeParameterSameAsOuterMethodTypeParameter:
                case ErrorCode.WRN_DefaultLiteralConvertedToNullIsNotIntended:
                case ErrorCode.WRN_SwitchExpressionNotExhaustive:
                case ErrorCode.WRN_CaseConstantNamedUnderscore:
                case ErrorCode.WRN_IsTypeNamedUnderscore:
                case ErrorCode.WRN_GivenExpressionNeverMatchesPattern:
                case ErrorCode.WRN_GivenExpressionAlwaysMatchesConstant:
                case ErrorCode.WRN_PossibleNull:
                case ErrorCode.WRN_IllegalPPWarningSafeOnly:
                case ErrorCode.WRN_ConvertingNullableToNonNullable:
                case ErrorCode.WRN_NullReferenceAssignment:
                case ErrorCode.WRN_NullReferenceReceiver:
                case ErrorCode.WRN_NullReferenceReturn:
                case ErrorCode.WRN_NullReferenceArgument:
                case ErrorCode.WRN_NullabilityMismatchInTypeOnOverride:
                case ErrorCode.WRN_NullabilityMismatchInReturnTypeOnOverride:
                case ErrorCode.WRN_NullabilityMismatchInParameterTypeOnOverride:
                case ErrorCode.WRN_NullabilityMismatchInParameterTypeOnPartial:
                case ErrorCode.WRN_NullabilityMismatchInTypeOnImplicitImplementation:
                case ErrorCode.WRN_NullabilityMismatchInReturnTypeOnImplicitImplementation:
                case ErrorCode.WRN_NullabilityMismatchInParameterTypeOnImplicitImplementation:
                case ErrorCode.WRN_NullabilityMismatchInTypeOnExplicitImplementation:
                case ErrorCode.WRN_NullabilityMismatchInReturnTypeOnExplicitImplementation:
                case ErrorCode.WRN_NullabilityMismatchInParameterTypeOnExplicitImplementation:
                case ErrorCode.WRN_UninitializedNonNullableField:
                case ErrorCode.WRN_NullabilityMismatchInAssignment:
                case ErrorCode.WRN_NullabilityMismatchInArgument:
                case ErrorCode.WRN_NullabilityMismatchInReturnTypeOfTargetDelegate:
                case ErrorCode.WRN_NullabilityMismatchInParameterTypeOfTargetDelegate:
                case ErrorCode.WRN_NullabilityMismatchInArgumentForOutput:
                case ErrorCode.WRN_NullAsNonNullable:
                case ErrorCode.WRN_AsOperatorMayReturnNull:
                case ErrorCode.WRN_NullableValueTypeMayBeNull:
                case ErrorCode.WRN_NullabilityMismatchInTypeParameterConstraint:
                case ErrorCode.WRN_MissingNonNullTypesContextForAnnotation:
                case ErrorCode.WRN_NullabilityMismatchInConstraintsOnImplicitImplementation:
                case ErrorCode.WRN_NullabilityMismatchInTypeParameterReferenceTypeConstraint:
                case ErrorCode.WRN_ConditionalAccessMayReturnNull:
                case ErrorCode.WRN_NullabilityMismatchInExplicitlyImplementedInterface:
                case ErrorCode.WRN_NullabilityMismatchInInterfaceImplementedByBase:
                case ErrorCode.WRN_DuplicateInterfaceWithNullabilityMismatchInBaseList:
                case ErrorCode.WRN_DefaultExpressionMayIntroduceNullT:
                case ErrorCode.WRN_NullLiteralMayIntroduceNullT:
                    return true;
                default:
                    return false;
            }
        }

        public static bool IsFatal(ErrorCode code)
        {
            switch (code)
            {
                case ErrorCode.FTL_MetadataCantOpenFile:
                case ErrorCode.FTL_DebugEmitFailure:
                case ErrorCode.FTL_BadCodepage:
                case ErrorCode.FTL_InvalidTarget:
                case ErrorCode.FTL_InvalidInputFileName:
                case ErrorCode.FTL_OutputFileExists:
                case ErrorCode.FTL_BadChecksumAlgorithm:
                    return true;
                default:
                    return false;
            }
        }

        public static bool IsInfo(ErrorCode code)
        {
            switch (code)
            {
                case ErrorCode.INF_UnableToLoadSomeTypesInAnalyzer:
                    return true;
                default:
                    return false;
            }
        }

        public static bool IsHidden(ErrorCode code)
        {
            switch (code)
            {
                case ErrorCode.HDN_UnusedUsingDirective:
                case ErrorCode.HDN_UnusedExternAlias:
                    return true;
                default:
                    return false;
            }
        }
    }
}