public Token saveToken(string hash, string type)
{
Token t = new Token();
t.category = type;
t.text = hash;
t.error = false;
return t;
}
public int BuscaVar(Token t)
{
foreach (Token item in variablesInt)
{
if (t.text.Equals(item.text))
{
return 1;
}
}
foreach (Token item in variablesBool)
{
if(t.text.Equals(item.text))
{
return 2;
}
}
return -1;
}
public BindingList<Token> ClassifyNumbers(BindingList<Token> list)
{
BindingList<Token> auxList = new BindingList<Token>();
Token token = null, nextToken = null, nextnextToken = null;
int j = 0;
string auxText = null;
//for each token, test if it's a number it's type
for (int i = 0; i < list.Count; i++)
{
token = list[i];
//É número
if (token.category == "number")
{
nextToken = list[i++];
//Próximo é ponto
if (nextToken.category == "dot")
{
j = i + 2;
nextnextToken = list[j];
//Número real
if (nextnextToken.category == "number")
{
auxText = token.text + nextToken.text + nextnextToken.text;
//add into a new list
Token auxToken = new Token();
auxToken.text = auxText;
auxToken.error = false;
auxToken.lineNumber = token.lineNumber;
auxToken.category = "num_real";
auxText = null;
auxList.Add(auxToken);
i = i + 2;
}
else
{
//número integer
auxText = token.text;
//add into a new list
Token auxToken = new Token();
auxToken.text = auxText;
auxToken.error = false;
auxToken.lineNumber = token.lineNumber;
auxToken.category = "num_integer";
auxText = null;
auxList.Add(auxToken);
}
}
//Número inteiro
else
{
auxText = token.text;
//add into a new list
Token auxToken = new Token();
auxToken.text = auxText;
auxToken.error = false;
auxToken.lineNumber = token.lineNumber;
auxToken.category = "num_integer";
auxText = null;
auxList.Add(auxToken);
}
}
else
{
Token auxToken = new Token();
auxToken = token;
auxList.Add(auxToken);
}
}
return auxList;
}
//como fazer a busca:
//foreach (string item in operators)
//{
// console.writeline(item);
//}
public BindingList<Token> transformToken(BindingList<Token> list)
{
BindingList<Token> auxList = new BindingList<Token>();
bool isText = false, isComment = false;
int line = -1, lineComment = -1;
string auxText = null, comment = null;
//for each token, test if it's a commentary or a word/string
foreach (Token token in list)
{
if (isText)
{
if (token.lineNumber == line)
{
if (token.text.Equals("'"))
{
isText = false;
//add into a new list
Token auxToken = new Token();
auxToken.text = auxText;
auxToken.error = false;
auxToken.lineNumber = line;
auxToken.category = "word";
auxText = null;
auxList.Add(auxToken);
Token auxToken2 = new Token();
auxToken2 = token;
auxList.Add(auxToken2);
}
else
auxText += token.text + " ";
}
else
{
isText = false;
//add into a new list
Token auxToken = new Token();
auxToken.text = auxText;
auxToken.error = false;
auxToken.lineNumber = line;
auxToken.category = "word";
auxText = null;
auxList.Add(auxToken);
}
}
else
{
if (token.text.Equals("'"))
{
isText = true;
line = token.lineNumber;
Token auxToken = new Token();
auxToken = token;
auxList.Add(auxToken);
}
else
{
//add into a new list
Token auxToken = new Token();
auxToken = token;
auxList.Add(auxToken);
}
}
if (isComment)
{
if (token.lineNumber == lineComment)
{
if (token.text.Equals("//"))
{
isComment = false;
//add into a new list
Token auxToken = new Token();
auxToken.text = comment;
auxToken.error = false;
auxToken.category = "comment";
auxToken.lineNumber = lineComment;
auxText = null;
auxList.Add(auxToken);
}
else
{
//concatenate words from a commentary area
auxText += token.text + " ";
}
}
else
{
isText = false;
//add into a new list
Token auxToken = new Token();
auxToken.text = comment;
auxToken.category = null;
auxToken.category = "comment";
auxToken.error = false;
auxToken.lineNumber = lineComment;
auxText = null;
auxList.Add(auxToken);
}
}
else
{
if (token.text.Equals("//"))
{
isText = true;
lineComment = token.lineNumber;
Token auxToken = new Token();
auxToken = token;
auxList.Add(auxToken);
}
}
}
return auxList;
}
/// <summary>
/// Recebe uma lista de linhas do programa e cria uma lista de tokens
/// </summary>
/// <param name="value"></param>
public void getProgramLines( List<ProgramLine> value )
{
Console.WriteLine(value);
string hash = null;
int j = 0;
char thischar = '0';
char nextchar = '0';
bool islast = false;
bool isbreak = false;
bool isdoublebreak = false;
bool error = false;
//-1 - no; 0 - space/enter; 1 - simple break; 2 - double break
// Lê cada linha do programa
foreach (var item in value)
{
//Lê cada char da linha
for (int i = 0; i < item.text.Length; i++)
{
//início do for
islast = false;
isbreak = false;
isdoublebreak = false;
error = false;
//salva char atual na variavel
thischar = item.text[i];
//pega prox char
j = i + 1;
if (j < item.text.Length)
{
nextchar = item.text[j];
}
else
{
islast = true;
}
#region Verifica tipo do char
//testa se é letra
if ((thischar >= 'a') && (thischar <= 'z'))
{
hash += thischar;
}
else
{
//testa se é número
if ((thischar >= '0') && (thischar <= '9'))
{
hash += thischar;
}
//testa se é operador
else
{
# region switch
//verifica que tipo de operador é
switch (thischar)
{
case ' ':
case '\r':
case '\n':
case '=':
case '[':
case ']':
case '.':
case ',':
case '(':
case ')':
case '^':
case '@':
case '{':
case '}':
case '$':
case '#':
case '&':
case '%':
case '\'':
case '\"':
case ';':
isbreak = true;
break;
case '<':
if (!islast)
{
if ((nextchar == '<') || (nextchar == '>') || (nextchar == '='))
{
isdoublebreak = true;
}
}
isbreak = true;
break;
case '>':
if (!islast)
{
if ((nextchar == '<') || (nextchar == '>') || (nextchar == '='))
{
isdoublebreak = true;
}
}
isbreak = true;
break;
case '*':
if (!islast)
{
if ((nextchar == '*') || (nextchar == '='))
{
isdoublebreak = true;
}
}
isbreak = true;
break;
case '/':
if (!islast)
{
if ((nextchar == '/') || (nextchar == '='))
{
isdoublebreak = true;
}
}
isbreak = true;
break;
case ':':
if (!islast)
{
if ((nextchar == '='))
{
isdoublebreak = true;
}
}
isbreak = true;
break;
case '+':
if (!islast)
{
if ((nextchar == '=') || (nextchar == '+'))
{
isdoublebreak = true;
}
}
isbreak = true;
break;
case '-':
if (!islast)
{
if ((nextchar == '=') || (nextchar == '-'))
{
isdoublebreak = true;
}
}
isbreak = true;
break;
default:
isbreak = true;
error = true;
break;
}
#endregion
#region isbreak == true
//eh um char de parada
if (isbreak == true)
{
if (hash != null)
{
//cria uma instancia Token
Token _token = new Token();
//adiciona atributos a instancia
_token.lineNumber = item.lineNumber;
_token.text = hash;
//adiciona instancia na lista de token
BdTokenList.Add(_token);
}
hash = null;
if ((thischar == ' '))
{
//não faz nada
}
else
{
hash += thischar;
//adiciona operador na lista
if (isdoublebreak == true)
{
hash += nextchar;
i++;
}
//cria uma instancia Token
Token _tokenOp = new Token();
//adiciona atributos a instancia
_tokenOp.lineNumber = item.lineNumber;
_tokenOp.text = hash;
//Simbolo nao identificado
if (error == true)
{
_tokenOp.error = true;
}
//adiciona instancia na lista de token
BdTokenList.Add(_tokenOp);
hash = null;
}
}
#endregion
}
}
#endregion
if (islast && (hash != null))
{
//cria uma instancia Token
Token _tokenL = new Token();
///
//adiciona atributos a instancia
_tokenL.lineNumber = item.lineNumber;
_tokenL.text = hash;
//adiciona instancia na lista de token
BdTokenList.Add(_tokenL);
hash = null;
}
}
}
private int sintaxDeclarationVariables(BindingList<Token> list, int i)
{
// BindingList<Token> varList = new BindingList<Token>();
//throw new NotImplementedException();
if (list[i].category == "identifier")
{
i++;
do
{
sintaxVar(list, i);
if (list[i].category == "doubleComma")
{
i++;
//BindingList<Token> aux = new BindingList<Token>();
if (list[i].category == "integer")
{
while(list[i].category == "integer"){
Token auxToken = new Token();
auxToken.text = list[i].text;
auxToken.error = list[i].error;
auxToken.lineNumber = list[i].lineNumber;
auxToken.category = list[i].category;
variablesInt.Add(auxToken);
i++;
}
i++;
if(list[i].category != "end"){
error += "Linha: \t" + Convert.ToString(list[i].lineNumber) + "Esperava-se 'END'. \r\n";
i++;
}
}
else if (list[i].category == "boolean")
{
while (list[i].category == "boolean")
{
Token auxToken = new Token();
auxToken.text = list[i].text;
auxToken.error = list[i].error;
auxToken.lineNumber = list[i].lineNumber;
auxToken.category = list[i].category;
variablesBool.Add(auxToken);
i++;
}
i++;
if (list[i].category != "end")
{
error += "Linha: \t" + Convert.ToString(list[i].lineNumber) + "Esperava-se 'END'. \r\n";
i++;
}
}
else
{
error += "Linha: \t" + Convert.ToString(list[i].lineNumber) + "Esperava-se um tipo de variável. \r\n";
i++;
}
}
else
{
//erro
error += "Linha: \t" + Convert.ToString(list[i].lineNumber) + "Esperava-se ':'. \r\n";
i++;
}
} while (list[i].category == "identifier");
}
return i;
}