//public void breakWords(string srcCode)
//{
// for (int i = 0; i < srcCode.Length; i++)
// {
// if (isBreaker(srcCode[i].ToString())) // if character is a breaker
// {
// if (!isTempEmpty())
// {
// lexems.Add(new Tokens(temp,lineNo));
// temp = string.Empty;
// }
// if (srcCode[i].ToString() == " "|| srcCode[i].ToString() == "\r" || srcCode[i].ToString() == "\"" || srcCode[i].ToString() == "\n" || srcCode[i].ToString() == "\t" || srcCode[i].ToString() == ";")
// {
// if (srcCode[i].ToString() == "\r")
// {
// lineNo++;
// }
// }
// else
// {
// lexems.Add(new Tokens(srcCode[i].ToString(),lineNo));
// }
// }
// else // if char is not breaker
// {
// temp = temp + srcCode[i].ToString();
// }
// }
// writeTokens();
//}
public void breakWords(string srcCode)
{
int i = 0;
while (i < srcCode.Length)
{
int a = isBreaker(srcCode[i].ToString());
if (a != 6) // when its a breaker....
{
if (a == 0) //when whitespace
{
if (!isTempEmpty())
{
makeTokenWhenTempFull();
}
if (srcCode[i].ToString() == "\n") //if there is new line
{
lineNo++;
}
}
else if (a == 2) // when punctutators
{
makeTokenWhenTempFull();
lexems.Add(new Tokens(srcCode[i].ToString(), srcCode[i].ToString(), lineNo));
}
else if (a == 4) // when double quote "
{
makeTokenWhenTempFull();
quoteCount++;
temp = temp + srcCode[i].ToString();
while (quoteCount == 1)
{
if (i + 1 < srcCode.Length)
{
if (srcCode[i + 1].ToString() != "\"" && srcCode[i + 1].ToString() != "\r" && srcCode[i + 1].ToString() != "\n")
{
temp = temp + srcCode[i + 1].ToString();
}
else
{
if (srcCode[i + 1].ToString() == "\"" && srcCode[i].ToString() == "\\")
{
temp = temp + srcCode[i + 1].ToString();
}
else if (srcCode[i + 1].ToString() == "\"")
{
temp = temp + srcCode[i + 1].ToString();
lexems.Add(new Tokens(temp, lineNo));
temp = string.Empty;
quoteCount++;
}
else
{
// temp = temp.ToString();
lexems.Add(new Tokens(temp, lineNo));
temp = string.Empty;
quoteCount++;
}
}
}
else
{
temp = temp + srcCode[i].ToString();
quoteCount++;
lexems.Add(new Tokens(temp, lineNo));
temp = string.Empty;
}
i++;
}
quoteCount = 0;
}
else if (a == 1) // when compound
{
makeTokenWhenTempFull();
if (srcCode[i + 1].ToString() == "=" && (srcCode[i].ToString() == "<" || srcCode[i].ToString() == ">" || srcCode[i].ToString() == "!" || srcCode[i].ToString() == "="))
{
temp = srcCode[i].ToString() + srcCode[i + 1].ToString();
CP = "RO";
makeTokenWhenTempFull();
CP = string.Empty;
i++;
}
else if (srcCode[i + 1].ToString() == "=")
{
temp = srcCode[i].ToString() + srcCode[i + 1].ToString();
CP = "CAO";
makeTokenWhenTempFull();
CP = string.Empty;
i++;
}
else if (srcCode[i].ToString() == "&" && srcCode[i + 1].ToString() == "&")
{
temp = srcCode[i].ToString() + srcCode[i + 1].ToString();
CP = "AND";
makeTokenWhenTempFull();
CP = string.Empty;
i++;
}
else if (srcCode[i].ToString() == "|" && srcCode[i + 1].ToString() == "|")
{
temp = srcCode[i].ToString() + srcCode[i + 1].ToString();
CP = "||";
makeTokenWhenTempFull();
CP = string.Empty;
i++;
}
else if (srcCode[i].ToString() == "+" && srcCode[i + 1].ToString() == "+")
{
temp = srcCode[i].ToString() + srcCode[i + 1].ToString();
CP = "INCDEC";
makeTokenWhenTempFull();
CP = string.Empty;
i++;
}
else if (srcCode[i].ToString() == "-" && srcCode[i + 1].ToString() == "-")
{
temp = srcCode[i].ToString() + srcCode[i + 1].ToString();
CP = "INCDEC";
makeTokenWhenTempFull();
i++;
}
else if (srcCode[i].ToString() == "/" && srcCode[i + 1].ToString() == "/") // when single line comment
{
temp = string.Empty;
while (i + 1 < srcCode.Length)
{
if (srcCode[i].ToString() == "\r")
{
break;
}
i++;
}
}
else if (srcCode[i].ToString() == "/" && srcCode[i + 1].ToString() == "*") // when multiline comment
{
i = i + 2;
temp = string.Empty;
while (i + 1 < srcCode.Length)
{
if (srcCode[i].ToString() == "*" && srcCode[i + 1].ToString() == "/")
{
i++;
break;
}
i++;
}
}
else
{
if (srcCode[i].ToString() == "=")
{
CP = "EQUAL";
}
else if (srcCode[i].ToString() == "+" || srcCode[i].ToString() == "-")
{
if (Convert.ToChar(srcCode[i + 1].ToString()) >= '0' && Convert.ToChar(srcCode[i + 1].ToString()) <= '9')
{
}
CP = "PM";
}
else if (srcCode[i].ToString() == "*" || srcCode[i].ToString() == "/" || srcCode[i].ToString() == "%")
{
CP = "MDM";
}
else if (srcCode[i].ToString() == "<" || srcCode[i].ToString() == ">")
{
CP = "RO";
}
else
{
CP = "INVALID";
}
temp = srcCode[i].ToString();
makeTokenWhenTempFull();
CP = string.Empty;
}
}
else if (a == 3) //when . period
{
if (IsDigitsOnly())
{
if ((Convert.ToChar(srcCode[i + 1]) >= 'a' && Convert.ToChar(srcCode[i + 1]) <= 'z') || (Convert.ToChar(srcCode[i + 1]) >= 'A' && Convert.ToChar(srcCode[i + 1]) <= 'Z'))
{
makeTokenWhenTempFull();
temp = temp + srcCode[i].ToString();
makeTokenWhenTempFull();
}
else
{
temp = temp + srcCode[i].ToString();
}
}
else
{
makeTokenWhenTempFull();
if ((Convert.ToChar(srcCode[i + 1]) >= 'a' && Convert.ToChar(srcCode[i + 1]) <= 'z') || (Convert.ToChar(srcCode[i + 1]) >= 'A' && Convert.ToChar(srcCode[i + 1]) <= 'Z'))
{
temp = srcCode[i].ToString();
makeTokenWhenTempFull();
}
else
{
temp = srcCode[i].ToString();
}
}
}
}
else // when its not a breaker
{
temp = temp + srcCode[i].ToString();
}
i++;
}
makeTokenWhenTempFull();
Tokens t = new Tokens();
t.classify();
writeTokens();
}