Newtonsoft.Json.JsonTextReader.ParseConstructor C# (CSharp) Method

        private void ParseConstructor()
        {
            if (MatchValueWithTrailingSeparator("new"))
            {
                EatWhitespace(false);

                int initialPosition = _charPos;
                int endPosition;

                while (true)
                {
                    char currentChar = _chars[_charPos];
                    if (currentChar == '\0')
                    {
                        if (_charsUsed == _charPos)
                        {
                            if (ReadData(true) == 0)
                            {
                                throw JsonReaderException.Create(this, "Unexpected end while parsing constructor.");
                            }
                        }
                        else
                        {
                            endPosition = _charPos;
                            _charPos++;
                            break;
                        }
                    }
                    else if (char.IsLetterOrDigit(currentChar))
                    {
                        _charPos++;
                    }
                    else if (currentChar == StringUtils.CarriageReturn)
                    {
                        endPosition = _charPos;
                        ProcessCarriageReturn(true);
                        break;
                    }
                    else if (currentChar == StringUtils.LineFeed)
                    {
                        endPosition = _charPos;
                        ProcessLineFeed();
                        break;
                    }
                    else if (char.IsWhiteSpace(currentChar))
                    {
                        endPosition = _charPos;
                        _charPos++;
                        break;
                    }
                    else if (currentChar == '(')
                    {
                        endPosition = _charPos;
                        break;
                    }
                    else
                    {
                        throw JsonReaderException.Create(this, "Unexpected character while parsing constructor: {0}.".FormatWith(CultureInfo.InvariantCulture, currentChar));
                    }
                }

                _stringReference = new StringReference(_chars, initialPosition, endPosition - initialPosition);
                string constructorName = _stringReference.ToString();

                EatWhitespace(false);

                if (_chars[_charPos] != '(')
                {
                    throw JsonReaderException.Create(this, "Unexpected character while parsing constructor: {0}.".FormatWith(CultureInfo.InvariantCulture, _chars[_charPos]));
                }

                _charPos++;

                ClearRecentString();

                SetToken(JsonToken.StartConstructor, constructorName);
            }
            else
            {
                throw JsonReaderException.Create(this, "Unexpected content while parsing JSON.");
            }
        }