Antlr4.Build.Tasks.BuildMessage.BuildMessage C# (CSharp) Method

        public BuildMessage(string message)
            : this(TraceLevel.Error, message, null, 0, 0)
        {
            try
            {
                Match match = BuildMessageFormat.Match(message);
                if (match.Success)
                {
                    FileName = match.Groups["FILE"].Length > 0 ? match.Groups["FILE"].Value : "";
                    LineNumber = match.Groups["LINE"].Length > 0 ? int.Parse(match.Groups["LINE"].Value) : 0;
                    ColumnNumber = match.Groups["COLUMN"].Length > 0 ? int.Parse(match.Groups["COLUMN"].Value) + 1 : 0;

                    switch (match.Groups["SEVERITY"].Value)
                    {
                    case "warning":
                        Severity = TraceLevel.Warning;
                        break;
                    case "error":
                        Severity = TraceLevel.Error;
                        break;
                    default:
                        Severity = TraceLevel.Info;
                        break;
                    }

                    int code = int.Parse(match.Groups["CODE"].Value);
                    Message = string.Format("AC{0:0000}: {1}", code, match.Groups["MESSAGE"].Value);
                }
                else
                {
                    Message = message;
                }
            }
            catch (Exception ex)
            {
                if (Antlr4ClassGenerationTask.IsFatalException(ex))
                    throw;
            }
        }