public string GetWhileInt(int count, checkMethods check, char[] array, string startStr)
{
checkMethods checkDeleget = check;
string temp = "";
temp += startStr;
count++;
count++;
//if doesnt reach to the end of arr of characters and this char is number
while (count < array.Length && checkDeleget(array[count].ToString()))
{
temp += array[count];
count++;
}
currentCharCount = count;
return(temp);
}
public string GetWhileKeyword(int count, checkMethods check, char[] array, char startChar)
{
checkMethods checkDeleget = check;
string temp = "";
temp += startChar;
count++;
while (count < array.Length && checkRestOfKeyWordOrIdentOrNo(array[count].ToString()))
{
temp += array[count];
count++;
if (checkDeleget(temp) == true)
{
break;
}
}
currentCharCount = count;
return(temp);
}
void get_tokens(string[] strArray)
{
int _currentLine = 0;
List <string> Code = Comment.IgnoreComments(strArray);
//traverse each line
foreach (string item in Code)
{
List <string> splitedLine = ClearWhiteSpaceInLine(item);
//traverse each token in a specific line
for (int i = 0; i < splitedLine.Count; i++)
{
char[] charToken = splitedLine[i].ToCharArray();
currentCharCount = 0;
//traverse each char in a specific token
for (int j = 0; j < charToken.Length; j++)
{
if (currentCharCount >= charToken.Length)
{
break;
}
char currentChar = CurrentChar(charToken, currentCharCount);
if (checkIsStartOfKeyWordOrIdentOrNo(currentChar.ToString()) == true)
{
//MessageBox.Show("keyOrident : " + currentChar.ToString() + " count " + currentCharCount);
string keywordOrIdentOrNumber = "";
checkMethods keywordCheck = new checkMethods(checkReservedWord);
keywordOrIdentOrNumber += GetWhileKeyword(currentCharCount, keywordCheck, charToken, currentChar);
if (checkReservedWord(keywordOrIdentOrNumber))
{
if (keywordOrIdentOrNumber == "using")
{
usingKeyWord(splitedLine);
reservedWordResult.Add(keywordOrIdentOrNumber);
T_Desc = "ReverseWord";
T_Content = keywordOrIdentOrNumber;
if (resultUsingFlag)
{
// x = (splitedLine.Count - 1) - i;
i = splitedLine.Count - 1;
}
}
else
{
reservedWordResult.Add(keywordOrIdentOrNumber);
T_Desc = "ReverseWord";
}
}
else if (checkDigits(keywordOrIdentOrNumber))
{
DigitsResult.Add(keywordOrIdentOrNumber);
T_Desc = "Constant";
}
else if (checkValidIdentifier(keywordOrIdentOrNumber))
{
if ((new[] { "and", "or", "not" }.Contains(keywordOrIdentOrNumber)))
{
specialCharactersResult.Add(keywordOrIdentOrNumber);
T_Desc = "Symbol";
}
else
{
IdentifiersResult.Add(keywordOrIdentOrNumber);
T_Desc = "Identifier";
}
}
else
{
T_Desc = "lexical Errors";
MessageBox.Show("lexical Errors '" + keywordOrIdentOrNumber + "'! at line:" + _currentLine);
}
T_Content = keywordOrIdentOrNumber;
}//end checkIsStartOfKeyWordOrIdentOrNo
else if (checkSpecialCharacters(currentChar.ToString()) == true)
{
if ((new[] { '<', '>', '=', '!' }.Contains(currentChar)) && NextChar(charToken, currentCharCount) == '=')
{
currentCharCount++;
currentCharCount++;
specialCharactersResult.Add(currentChar.ToString() + "=");
T_Desc = "Symbol";
T_Content = currentChar.ToString();
}
else if ((new[] { '+', '-' }.Contains(currentChar)) && (char.IsDigit(NextChar(charToken, currentCharCount))))
{
string AssignAndStartNo = currentChar.ToString() + NextChar(charToken, currentCharCount);
string intNumber = "";
checkMethods numberCheck = new checkMethods(checkDigits);
intNumber += GetWhileInt(currentCharCount, numberCheck, charToken, AssignAndStartNo);
DigitsResult.Add(intNumber);
T_Desc = "Constant";
T_Content = intNumber;
}
/* else if ((currentChar == '.') && (char.IsLetter(PrevChar(charToken, currentCharCount))))
* {
* currentCharCount++;
* specialCharactersResult.Add(currentChar.ToString());
* T_Desc = "Symbol";
* T_Content = currentChar.ToString();
* }
*/
else
{
currentCharCount++;
specialCharactersResult.Add(currentChar.ToString());
T_Desc = "Symbol";
T_Content = currentChar.ToString();
}
}//check special symbols
else
{
T_Desc = "Illegal characters";
T_Content = currentChar.ToString();
MessageBox.Show("Illegal characters '" + currentChar.ToString() + "' ! at line:" + _currentLine);
}
ListViewItem List_item = new ListViewItem(_currentLine.ToString());
List_item.SubItems.Add(T_Desc);
List_item.SubItems.Add(T_Content);
ListViewDetails.Items.Add(List_item);
} //end for char
} //end for token
_currentLine++;
} //end foreach lines
} //end get_tokens() fun
