private tokenObject ProcessWord()
{
_currentLexeme = _currentCharacterRead.ToString();
while (char.IsLetterOrDigit(_nextCharacterRead))
{
AdvanceCursors();
_currentLexeme += _currentCharacterRead;
}
var newToken = new tokenObject(_dictionary.identifyString(_currentLexeme), _currentLexeme, _lastLocation);
ClearContent();
return(newToken);
}
private tokenObject ProcessCharacter()
{
_currentLexeme = _currentCharacterRead.ToString();
AdvanceCursors();
if (_currentCharacterRead == '\\')
{
_currentLexeme += _currentCharacterRead.ToString();
AdvanceCursors();
}
_currentLexeme += _currentCharacterRead.ToString();
AdvanceCursors();
if (_currentCharacterRead != '\'')
{
throw new Exception("Character Too Long or Not Closed At: " + _lastLocation);
}
_currentLexeme += _currentCharacterRead.ToString();
var returnToken = new tokenObject(tokenType.literal_CHARACTER, _currentLexeme, _lastLocation);
ClearContent();
return(returnToken);
}
private tokenObject ProcessFileName()
{
_currentLexeme = _currentCharacterRead.ToString();
while (_nextCharacterRead != '>')
{
AdvanceCursors();
if (_currentCharacterRead == '\r' || _currentCharacterRead == '\n')
{
throw new Exception("No Spaces or New Lines Permitted between File Names. AT:" + _lastLocation);
}
else
{
_currentLexeme += _currentCharacterRead.ToString();
}
}
AdvanceCursors();
_currentLexeme += _currentCharacterRead.ToString();
var newToken = new tokenObject(tokenType.literal_FILENAME, _currentLexeme, _lastLocation);
ClearContent();
return(newToken);
}
private tokenObject ProcessString()
{
_currentLexeme = _currentCharacterRead.ToString();
while (_nextCharacterRead != '"')
{
AdvanceCursors();
if (_currentCharacterRead == '\r' || _currentCharacterRead == '\n')
{
}
else
{
_currentLexeme += _currentCharacterRead.ToString();
}
}
AdvanceCursors();
_currentLexeme += _currentCharacterRead.ToString();
var newToken = new tokenObject(tokenType.literal_STRING, _currentLexeme, _lastLocation);
ClearContent();
return(newToken);
}
private tokenObject ProcessNumber()
{
_currentLexeme = _currentCharacterRead.ToString();
var whatKindOfNumberIsIt = "NUMBER";
if (_currentCharacterRead == '0')
{
switch (_nextCharacterRead.ToString())
{
case "ADVANCE":
AdvanceCursors();
_currentLexeme += _currentCharacterRead;
break;
case ".":
whatKindOfNumberIsIt = "FLOAT";
goto case "ADVANCE";
case "0":
case "1":
case "2":
case "3":
case "4":
case "5":
case "6":
case "7":
case "8":
case "9":
whatKindOfNumberIsIt = "OCTAL";
goto case "ADVANCE";
case "x":
whatKindOfNumberIsIt = "HEXADECIMAL";
goto case "ADVANCE";
default:
break;
}
if (_nextCharacterRead == '.')
{
switch (whatKindOfNumberIsIt)
{
case "ADVANCE":
AdvanceCursors();
_currentLexeme += _currentCharacterRead;
break;
case "NUMBER":
whatKindOfNumberIsIt = "FLOAT";
goto case "ADVANCE";
case "OCTAL":
whatKindOfNumberIsIt = "FLOAT";
goto case "ADVANCE";
case "HEXADECIMAL":
throw new Exception("HEXADECIMALS CAN NOT CONTAIN PERIODS. " + _lastLocation);
break;
case "FLOAT":
throw new Exception("FLOATS DO NOT HAVE MULTIPLE DOTS. " + _lastLocation);
break;
}
}
if (char.IsDigit(_nextCharacterRead))
{
while (char.IsDigit(_nextCharacterRead))
{
AdvanceCursors();
_currentLexeme += _currentCharacterRead;
if (_nextCharacterRead == '.')
{
switch (whatKindOfNumberIsIt)
{
case "ADVANCE":
AdvanceCursors();
_currentLexeme += _currentCharacterRead;
break;
case "NUMBER":
whatKindOfNumberIsIt = "FLOAT";
goto case "ADVANCE";
case "OCTAL":
whatKindOfNumberIsIt = "FLOAT";
goto case "ADVANCE";
case "HEXADECIMAL":
throw new Exception("HEXADECIMALS CAN NOT CONTAIN PERIODS. " + _lastLocation);
break;
case "FLOAT":
throw new Exception("FLOATS DO NOT HAVE MULTIPLE DOTS. " + _lastLocation);
break;
}
}
}
}
else
{
if (whatKindOfNumberIsIt == "NUMBER" || whatKindOfNumberIsIt == "OCTAL")
{
}
else if (whatKindOfNumberIsIt == "HEXADECIMAL" || whatKindOfNumberIsIt == "FLOAT")
{
throw new Exception("WRONG NUMBER DEFINITION AT: " + _lastLocation);
}
}
}
else
{
while (char.IsDigit(_nextCharacterRead))
{
AdvanceCursors();
_currentLexeme += _currentCharacterRead;
if (_nextCharacterRead == '.')
{
switch (whatKindOfNumberIsIt)
{
case "ADVANCE":
AdvanceCursors();
_currentLexeme += _currentCharacterRead;
break;
case "NUMBER":
whatKindOfNumberIsIt = "FLOAT";
goto case "ADVANCE";
case "OCTAL":
whatKindOfNumberIsIt = "FLOAT";
goto case "ADVANCE";
case "HEXADECIMAL":
throw new Exception("HEXADECIMALS CAN NOT CONTAIN PERIODS. " + _lastLocation);
break;
case "FLOAT":
throw new Exception("FLOATS DO NOT HAVE MULTIPLE DOTS. " + _lastLocation);
break;
}
}
}
}
var whatKindOfTokenIsIt = tokenType.NaN;
switch (whatKindOfNumberIsIt)
{
case "NUMBER":
whatKindOfTokenIsIt = tokenType.literal_NUMBER;
break;
case "OCTAL":
whatKindOfTokenIsIt = tokenType.literal_OCTAL;
break;
case "HEXADECIMAL":
whatKindOfTokenIsIt = tokenType.literal_HEXADECIMAL;
break;
case "FLOAT":
whatKindOfTokenIsIt = tokenType.literal_FLOAT;
break;
}
var newToken = new tokenObject(whatKindOfTokenIsIt, _currentLexeme, _lastLocation);
ClearContent();
return(newToken);
}
private tokenObject ProcessDate()
{
_currentLexeme = _currentCharacterRead.ToString();
if (char.IsDigit(_nextCharacterRead))
{
AdvanceCursors(); _currentLexeme += _currentCharacterRead.ToString();
}
else
{
throw new Exception("Wrong Date Format. Correct format is #DD-MM-YYYY#");
}
if (char.IsDigit(_nextCharacterRead))
{
AdvanceCursors(); _currentLexeme += _currentCharacterRead.ToString();
}
else
{
throw new Exception("Wrong Date Format. Correct format is #DD-MM-YYYY#");
}
if (_nextCharacterRead == '-')
{
AdvanceCursors(); _currentLexeme += _currentCharacterRead.ToString();
}
else
{
throw new Exception("Wrong Date Format. Correct format is #DD-MM-YYYY#");
}
if (char.IsDigit(_nextCharacterRead))
{
AdvanceCursors(); _currentLexeme += _currentCharacterRead.ToString();
}
else
{
throw new Exception("Wrong Date Format. Correct format is #DD-MM-YYYY#");
}
if (char.IsDigit(_nextCharacterRead))
{
AdvanceCursors(); _currentLexeme += _currentCharacterRead.ToString();
}
else
{
throw new Exception("Wrong Date Format. Correct format is #DD-MM-YYYY#");
}
if (_nextCharacterRead == '-')
{
AdvanceCursors(); _currentLexeme += _currentCharacterRead.ToString();
}
else
{
throw new Exception("Wrong Date Format. Correct format is #DD-MM-YYYY#");
}
if (char.IsDigit(_nextCharacterRead))
{
AdvanceCursors(); _currentLexeme += _currentCharacterRead.ToString();
}
else
{
throw new Exception("Wrong Date Format. Correct format is #DD-MM-YYYY#");
}
if (char.IsDigit(_nextCharacterRead))
{
AdvanceCursors(); _currentLexeme += _currentCharacterRead.ToString();
}
else
{
throw new Exception("Wrong Date Format. Correct format is #DD-MM-YYYY#");
}
if (char.IsDigit(_nextCharacterRead))
{
AdvanceCursors(); _currentLexeme += _currentCharacterRead.ToString();
}
else
{
throw new Exception("Wrong Date Format. Correct format is #DD-MM-YYYY#");
}
if (char.IsDigit(_nextCharacterRead))
{
AdvanceCursors(); _currentLexeme += _currentCharacterRead.ToString();
}
else
{
throw new Exception("Wrong Date Format. Correct format is #DD-MM-YYYY#");
}
if (_nextCharacterRead == '#')
{
AdvanceCursors(); _currentLexeme += _currentCharacterRead.ToString();
}
else
{
throw new Exception("Wrong Date Format. Correct format is #DD-MM-YYYY#");
}
var newToken = new tokenObject(tokenType.literal_DATE, _currentLexeme, _lastLocation);
ClearContent();
return(newToken);
}
private tokenObject ProcessSymbolsAndPunctuations()
{
if (_currentCharacterRead == '_' && char.IsLetterOrDigit(_nextCharacterRead))
{
return(ProcessWord());
}
_currentLexeme = _currentCharacterRead.ToString();
tokenType probableTokenType = tokenType.NaN;
if (_dictionary.identifySymbolAndPunctuation(_currentLexeme) != tokenType.ErrorToken)
{
probableTokenType = _dictionary.identifySymbolAndPunctuation(_currentLexeme);
switch (_currentLexeme)
{
case "<":
if (char.IsLetter(_nextCharacterRead))
{
return(ProcessFileName());
}
break;
case "\'":
return(ProcessCharacter());
break;
case "\"":
return(ProcessString());
break;
case "#":
if (char.IsDigit(_nextCharacterRead))
{
return(ProcessDate());
}
break;
}
while (_dictionary.identifySymbolAndPunctuation(_currentLexeme + _nextCharacterRead) != tokenType.ErrorToken)
{
AdvanceCursors();
_currentLexeme += _currentCharacterRead.ToString();
probableTokenType = _dictionary.identifySymbolAndPunctuation(_currentLexeme);
if (probableTokenType == tokenType.symbol_COMMENTLINE)
{
while (_nextCharacterRead != '\n')
{
AdvanceCursors();
}
////var returnToken = new tokenObject(probableTokenType, _currentLexeme, _lastLocation);
var returnToken = GenerateToken();
ClearContent();
return(returnToken);
}
if (probableTokenType == tokenType.symbol_commentOpen)
{
AddLayer("COMMENTBLOCK");
// var returnToken = new tokenObject(probableTokenType, _currentLexeme, _lastLocation);
var returnToken = GenerateToken();
ClearContent();
return(returnToken);
}
}
}
else
{
throw new Exception("This Symbol Does not Exist. " + _currentLexeme + " At: " + _lastLocation);
}
var newToken = new tokenObject(probableTokenType, _currentLexeme, _lastLocation);
ClearContent();
return(newToken);
}