internal static Action <T, TextWriter> CreateFormatDelegate <T>(MemberInfo[] forMembers) { var accessors = forMembers.GetMemberAccessors <T>(); if (Formatter <T> .TypeIsValueTuple) { return(FormatValueTuple); } if (Formatter <T> .TypeIsException) { // filter out internal values from the Data dictionary, since they're intended to be surfaced in other ways var dataAccessor = accessors.SingleOrDefault(a => a.Member.Name == "Data"); if (dataAccessor != null) { var originalGetData = dataAccessor.GetValue; dataAccessor.GetValue = e => ((IDictionary)originalGetData(e)) .Cast <DictionaryEntry>() .ToDictionary(de => de.Key, de => de.Value); } // replace the default stack trace with the full stack trace when present var stackTraceAccessor = accessors.SingleOrDefault(a => a.Member.Name == "StackTrace"); if (stackTraceAccessor != null) { stackTraceAccessor.GetValue = e => { var ex = e as Exception; return(ex.StackTrace); }; } } return(FormatObject); void FormatObject(T target, TextWriter writer) { Formatter.PlainTextFormatter.WriteStartObject(writer); if (!Formatter <T> .TypeIsAnonymous) { Formatter <Type> .FormatTo(typeof(T), writer); Formatter.PlainTextFormatter.WriteEndHeader(writer); } for (var i = 0; i < accessors.Length; i++) { var accessor = accessors[i]; if (accessor.Ignore) { continue; } object value; try { value = accessor.GetValue(target); } catch (Exception exception) { value = exception; } Formatter.PlainTextFormatter.WriteStartProperty(writer); writer.Write(accessor.Member.Name); Formatter.PlainTextFormatter.WriteNameValueDelimiter(writer); value.FormatTo(writer); Formatter.PlainTextFormatter.WriteEndProperty(writer); if (i < accessors.Length - 1) { Formatter.PlainTextFormatter.WritePropertyDelimiter(writer); } } Formatter.PlainTextFormatter.WriteEndObject(writer); } void FormatValueTuple(T target, TextWriter writer) { Formatter.PlainTextFormatter.WriteStartTuple(writer); for (var i = 0; i < accessors.Length; i++) { try { var accessor = accessors[i]; if (accessor.Ignore) { continue; } var value = accessor.GetValue(target); value.FormatTo(writer); Formatter.PlainTextFormatter.WriteEndProperty(writer); if (i < accessors.Length - 1) { Formatter.PlainTextFormatter.WritePropertyDelimiter(writer); } } catch (Exception) { } } Formatter.PlainTextFormatter.WriteEndTuple(writer); } }