/**
* Verifica tipos (float, string e int)
*/
private int VerifyTypes(string readLine)
{
var character = readLine[Position];
/* int e float */
if (character >= '1' && character <= '9')
{
var startPosition = Position;
var type = "INTEGER";
while (Position + 1 < readLine.Length)
{
Position++;
var nextCharacter = readLine[Position];
if (nextCharacter >= '0' && nextCharacter <= '9')
{
Lexeme += nextCharacter.ToString();
}
else if (nextCharacter.Equals('.')) //se encontrou . então é float
{
if (type.Equals("FLOAT"))
{
break;
}
else
{
Lexeme += nextCharacter.ToString();
type = "FLOAT";
}
}
else
{
Position--;
break;
}
}
var newToken = new TokensFound("TOKEN." + type, Lexeme, startPosition, Line);
TokensFound.Add(newToken);
}
/* string */
else if (character.Equals('"') || character.Equals('\''))
{
var startPosition = Position;
while (Position + 1 < readLine.Length)
{
Position++;
var nextCharacter = readLine[Position];
Lexeme += nextCharacter.ToString();
if (nextCharacter.Equals(character))
{
break;
}
}
if (Lexeme.LastIndexOf(character).Equals(0)) //string nao foi fechado, retorna erro
{
return(0);
}
var newToken = new TokensFound("TOKEN.STRING", Lexeme, startPosition, Line);
TokensFound.Add(newToken);
return(1);
}
return(2);
}
