public ModelClass()
{
WordsElements = new ObservableCollection <WordsCollection>();
ALexico = new Lexico();
//ASintactico = new Sintactico();
Messages = string.Empty;
}
public Sintactico(int [,] LR, Rule[] rs)
{
TablaLR = LR;
Rules = rs;
ALexico = new Lexico();
ASemantico = new Semantico();
ColaSintactica = new Stack();
}