private void analitic()
{
string[] p;
for (int i = 0; i < elemento.Count(); i++)
{
analisis anl = new analisis();
p = elemento[i].Split('#');
anl.modificar(Convert.ToInt32(p[1]), p[0], p[2]);
analisis.Add(anl);
}
}
public string[] opigualdad = { "==", "!=" }; //11
private void analizarLista()
{
int i;
string p;
analisis anl = new analisis();
for (i = 0; i < elemento.Count(); i++)
{
p = elemento[i];
bool id = true;
foreach (char l in p)
{
if (!Char.IsLetterOrDigit(l))
{
id = false;
break;
}
}
if (id)
{
p = p + "#0#identificador";
elemento[i] = p;
}
else if (p == "if")
{
p = p + "#19#if";
elemento[i] = p;
}
else if (p == "else")
{
p = p + "#22#else";
elemento[i] = p;
}
else if (p == "while")
{
p = p + "#20#while";
elemento[i] = p;
}
else if (p == "return")
{
p = p + "#21#return";
elemento[i] = p;
}
else if (p == "$")
{
p = p + "#2#$";
elemento[i] = p;
}
else if (p == "=")
{
p = p + "#18#=";
elemento[i] = p;
}
else if (p == "}")
{
p = p + "#17#}";
elemento[i] = p;
}
else if (p == "{")
{
p = p + "#16#{";
elemento[i] = p;
}
else if (p == ")")
{
p = p + "#15#)";
elemento[i] = p;
}
else if (p == "(")
{
p = p + "#14#(";
elemento[i] = p;
}
else if (p == ",")
{
p = p + "#13#,";
elemento[i] = p;
}
else if (p == ";")
{
p = p + "#12#if";
elemento[i] = p;
}
else if (opigualdad.Contains(p))
{
p = p + "#11#opIgualdad";
elemento[i] = p;
}
else if (p == "!")
{
p = p + "#10#opNot";
elemento[i] = p;
}
else if (p == "&&")
{
p = p + "#9#opAnd";
elemento[i] = p;
}
else if (p == "||")
{
p = p + "#8#opOr";
elemento[i] = p;
}
else if (oprelac.Contains(p))
{
p = p + "#7#opRelac";
elemento[i] = p;
}
else if (opmul.Contains(p))
{
p = p + "#6#opMul";
elemento[i] = p;
}
else if (opsum.Contains(p))
{
p = p + "#1#opSum";
elemento[i] = p;
}
else if (tipo.Contains(p))
{
p = p + "#4#tipo";
elemento[i] = p;
}
else
{
p = p + "#-1#error";
elemento[i] = p;
}
int numero;
float numero2;
bool result = false;
bool result2 = false;
try
{
result = int.TryParse(p, out numero);
result2 = float.TryParse(p, out numero2);
}
catch { };
if (result2)
{
elemento[i] = p + "#2#real";
}
if (result)
{
elemento[i] = p + "#19#entero";
}
}
analitic();
}
public void ejemplo_3()
{
int [,] tabla = new int[3, 3] {
{ 2, 0, 1 }, { 0, -1, 0 }, { 0, -2, 0 }
};
Stack <ElementoPila> pila = new Stack <ElementoPila>();
int fila = 0, columna = 0, accion = 0;
bool aceptación = false;
Lexico lexico = new Lexico("a$");
analisis entrada = new analisis();
entrada.modificar(0, "$", "$");
ElementoPila t = new Terminal(entrada.id, entrada.palabra, 0);
ElementoPila aux;
pila.Push(t);
List <analisis> elemento = lexico.leerCadena();
aux = pila.Peek();
fila = aux.accion;
columna = elemento[0].id;
accion = tabla[fila, columna];
ElementoPila nt = new NoTerminal(entrada.id, entrada.palabra, accion);
mostrar2(pila);
Console.WriteLine("entrada: " + elemento[1].palabra);
Console.WriteLine("accion: " + nt.accion);
pila.Push(nt);
if (accion == 2)
{
aux = pila.Peek();
fila = aux.accion;
columna = elemento[1].id;
accion = tabla[fila, columna];
pila.Push(new NoTerminal(elemento[1].id, elemento[1].palabra, accion));
mostrar2(pila);
Console.WriteLine("entrada: " + elemento[1].palabra);
Console.WriteLine("accion: " + accion);
}
if (accion == -2)
{
pila.Pop();
aux = pila.Peek();
fila = aux.accion;
columna = 2;
accion = tabla[fila, columna];
//transicion
pila.Push(new Estado(2, "E1", accion));
mostrar2(pila);
Console.WriteLine("entrada: " + elemento[1].palabra);
Console.WriteLine("accion: " + accion);
aux = pila.Peek();
fila = aux.accion;
columna = elemento[1].id;
accion = tabla[fila, columna];
if (accion == -1)
{
mostrar2(pila);
Console.WriteLine("entrada: " + elemento[1].palabra);
Console.WriteLine("accion: " + accion);
aceptación = accion == -1;
if (aceptación)
{
Console.WriteLine("aceptacion");
}
}
}
}