private void button2_Click(object sender, EventArgs e)
{
CanonicalCollection cc = new CanonicalCollection(new Grammar());
TableInfo t = new TableInfo(cc);
t.Show();
}
public TableInfo(CanonicalCollection cc)
{
InitializeComponent();
collection = cc;
loadObjects();
}
public Table()
{
CanonicalCollection collection = new CanonicalCollection(new Grammar());
this.grammar = collection.grammar;
foreach (var state in collection.States)
{
List <Action> actions = new List <Action>();
foreach (var item in state.items)
{
//Shift
if (item.action == ActionType.Shift && collection.grammar.isTerminal(item.Production.RightSide[item.Position]))
{
if (!actions.Any(x => x.accion == item.action && x.estado == item.shiftTo &&
x.symbol == item.Production.RightSide[item.Position]))
{
actions.Add(new Action(item.Production.RightSide[item.Position], item.action, item.shiftTo));
if (!tokens.Contains(item.Production.RightSide[item.Position]))
{
tokens.Add(item.Production.RightSide[item.Position]);
}
}
}
//Ir_A
else if (item.action == ActionType.Shift && collection.grammar.isNotTerminal(item.Production.RightSide[item.Position]))
{
if (!actions.Any(x => x.accion == ActionType.Ir_A && x.estado == item.shiftTo &&
x.symbol == item.Production.RightSide[item.Position]))
{
actions.Add(new Action(item.Production.RightSide[item.Position], ActionType.Ir_A, item.shiftTo));
if (!tokens.Contains(item.Production.RightSide[item.Position]))
{
tokens.Add(item.Production.RightSide[item.Position]);
}
}
}
//Aceptar
else if (item.action == ActionType.Accept)
{
actions.Add(new Action(TokenType.EOF, ActionType.Accept, 0));
if (!tokens.Contains(TokenType.EOF))
{
tokens.Add(TokenType.EOF);
}
}
//Reducir
else if (item.action == ActionType.Reduce)
{
int position = collection.grammar.findProductionNumber(item.Production);
foreach (var lookahead in item.lookahead)
{
if (!actions.Any(x => x.accion == item.action && x.estado == position &&
x.symbol == lookahead))
{
actions.Add(new Action(lookahead, ActionType.Reduce, position));
if (!tokens.Contains(lookahead))
{
tokens.Add(lookahead);
}
}
}
}
}
this.states.Add(new State(actions));
}
this.tokens.Sort();
}
