Antlr4.StringTemplate.Compiler.TemplateLexer.MatchComment C# (CSharp) Метод

        private IToken MatchComment()
        {
            Match('!');

            while (!(c == '!' && input.LA(2) == delimiterStopChar))
            {
                if (c == EOF)
                {
                    RecognitionException re = new MismatchedTokenException((int)'!', input);
                    re.Line = input.Line;
                    re.CharPositionInLine = input.CharPositionInLine;
                    string message = string.Format("Nonterminated comment starting at {0}:{1}: '!{2}' missing", startLine, startCharPositionInLine, delimiterStopChar);
                    errMgr.LexerError(input.SourceName, message, templateToken, re);
                    break;
                }
                Consume();
            }

            Consume();
            Consume(); // grab !>
            return NewToken(COMMENT);
        }