public static string GetMfvHighlightingAttributeId()

in ReSharper.FSharp/src/FSharp/FSharp.Psi/src/Features/Daemon/FSharpSymbolHighlightingUtil.cs [52:95]
35 lines of code
30 McCabe index (conditional complexity)

    public static string GetMfvHighlightingAttributeId([NotNull] this FSharpMemberOrFunctionOrValue mfv)
    {
      if (mfv.IsEvent || mfv.IsEventAddMethod || mfv.IsEventRemoveMethod || mfv.EventForFSharpProperty != null)
        return FSharpHighlightingAttributeIdsModule.Event;

      if (mfv.IsImplicitConstructor || mfv.IsConstructor)
        return mfv.DeclaringEntity?.Value is { IsValueType: true }
          ? FSharpHighlightingAttributeIdsModule.Struct
          : FSharpHighlightingAttributeIdsModule.Class;

      var entity = mfv.DeclaringEntity;
      if (mfv.IsMember && (entity != null && !entity.Value.IsFSharpModule || mfv.IsExtensionMember))
        if (mfv.IsProperty || mfv.IsPropertyGetterMethod || mfv.IsPropertySetterMethod)
          return mfv.IsExtensionMember
            ? FSharpHighlightingAttributeIdsModule.ExtensionProperty
            : FSharpHighlightingAttributeIdsModule.Property;
        else
          return mfv.IsExtensionMember
            ? FSharpHighlightingAttributeIdsModule.ExtensionMethod
            : FSharpHighlightingAttributeIdsModule.Method;

      if (mfv.LiteralValue != null)
        return FSharpHighlightingAttributeIdsModule.Literal;

      if (mfv.IsActivePattern)
        return FSharpHighlightingAttributeIdsModule.ActivePatternCase;

      if (IsLogicalOpName(mfv.LogicalName))
        return FSharpHighlightingAttributeIdsModule.Operator;

      var fcsType = mfv.FullType;
      if (fcsType.IsFunctionType || mfv.IsTypeFunction || fcsType.IsAbbreviation && fcsType.AbbreviatedType.IsFunctionType)
        return mfv.IsMutable
          ? FSharpHighlightingAttributeIdsModule.MutableFunction
          : FSharpHighlightingAttributeIdsModule.Function;

      if (mfv.IsMutable || mfv.IsRefCell())
        return FSharpHighlightingAttributeIdsModule.MutableValue;

      if (fcsType.HasTypeDefinition && fcsType.TypeDefinition is var mfvTypeEntity && mfvTypeEntity.IsByRef)
        return FSharpHighlightingAttributeIdsModule.MutableValue;

      return FSharpHighlightingAttributeIdsModule.Value;
    }