Antlr4.Tool.ErrorManager.Emit C# (CSharp) Method

        public virtual void Emit(ErrorType etype, ANTLRMessage msg)
        {
            var severity = etype.severity;
            if (severity == ErrorSeverity.WARNING_ONE_OFF || severity == ErrorSeverity.WARNING)
            {
                if (severity == ErrorSeverity.WARNING || !errorTypes.Contains(etype))
                {
                    warnings++;
                    tool.Warning(msg);
                }
            }
            else if (severity == ErrorSeverity.ERROR_ONE_OFF || severity == ErrorSeverity.ERROR)
            {
                if (severity == ErrorSeverity.ERROR || !errorTypes.Contains(etype))
                {
                    errors++;
                    tool.Error(msg);
                }
            }

            errorTypes.Add(etype);
        }