clojure.lang.PushbackTextReader.Read C# (CSharp) Method

        public override int Read()
        {
            int ret;
            if (_hasUnread)
            {
                ret = _unreadChar;
                _hasUnread = false;
            }
            else
                ret = _baseReader.Read();

            return ret;
        }

        static List <Object> ReadDelimitedList(char delim, PushbackTextReader r, bool isRecursive, object opts)
        {
            LineNumberingTextReader lntr = r as LineNumberingTextReader;
            int firstLine = lntr != null ? lntr.LineNumber : -1;

            List <Object> a = new List <object>();

            for (; ;)
            {
                int ch = r.Read();

                while (isWhitespace(ch))
                {
                    ch = r.Read();
                }

                if (ch == -1)
                {
                    if (firstLine < 0)
                    {
                        throw new EndOfStreamException("EOF while reading");
                    }
                    else
                    {
                        throw new EndOfStreamException("EOF while reading, starting at line " + firstLine);
                    }
                }

                if (ch == delim)
                {
                    break;
                }

                IFn macroFn = getMacro(ch);
                if (macroFn != null)
                {
                    Object mret = macroFn.invoke(r, (char)ch, opts);
                    //no op macros return the reader
                    if (mret != r)
                    {
                        a.Add(mret);
                    }
                }
                else
                {
                    Unread(r, ch);
                    object o = read(r, true, null, isRecursive, opts);
                    if (o != r)
                    {
                        a.Add(o);
                    }
                }
            }

            return(a);
        }