private static bool ValidateBaseEnum(
SymbolAnalysisContext context,
INamedTypeSymbol enumType,
AttributeData?enumAttribute,
Location location,
bool isValidatable)
{
if (!enumType.BaseType.IsEnum(out var baseEnumInterfaces))
{
return(false);
}
var isBaseEnumValidatable = baseEnumInterfaces.GetValidEnumInterface(enumType.BaseType)?.IsValidatableEnumInterface() ?? false;
if (isValidatable != isBaseEnumValidatable)
{
ReportDiagnostic(context, DiagnosticsDescriptors.ExtendedEnumCannotBeValidatableIfBaseEnumIsNot, location, enumType);
}
var baseEnumAttr = enumType.BaseType.FindEnumGenerationAttribute();
var isBaseEnumExtensible = baseEnumAttr?.IsExtensible() ?? false;
if (!isBaseEnumExtensible)
{
ReportDiagnostic(context, DiagnosticsDescriptors.BaseEnumMustBeExtensible, location, enumType.BaseType);
}
var baseKeyPropName = baseEnumAttr?.FindKeyPropertyName();
var enumKeyPropName = enumAttribute?.FindKeyPropertyName();
if (!String.IsNullOrWhiteSpace(baseKeyPropName) &&
!String.IsNullOrWhiteSpace(enumKeyPropName) &&
baseKeyPropName != enumKeyPropName)
{
ReportDiagnostic(context, DiagnosticsDescriptors.ExtendedEnumMustHaveSameKeyPropertyName, location, enumType, enumType.BaseType);
}
return(true);
}
public EnumSettings(AttributeData?attribute)
{
KeyComparer = attribute?.FindKeyComparer().TrimAndNullify();
KeyPropertyName = attribute?.FindKeyPropertyName().TrimAndNullify();
IsExtensible = attribute?.IsExtensible() ?? false;
}