/// <summary>Checks the productions righ side start no terminal.</summary>
/// <param name="productions">The productions.</param>
/// <param name="x">The x.</param>
/// <returns></returns>
public bool CheckProductionsRighSideStartNoTerminal(List <Production> productions, char x)
{
foreach (Production production in productions)
{
if (production.rightSide [0].kind.Equals(Element.Kind.noTerminal))
{
if (GrammarTools.GetSeleccionSetOfProduction(new List <char> (), production.leftSide.index, grammar).Contains(x))
{
stack.Pop();
for (int i = production.rightSide.Count - 1; i >= 0; i--)
{
stack.Push(production.rightSide [i]);
}
return(Transition(x));
}
return(false);
}
}
return(true);
}
/// <summary>Determines whether [is disjoint productions] [the specified same productions].</summary>
/// <param name="sameProductions">The same productions.</param>
/// <param name="grammar">The grammar.</param>
/// <returns>
/// <c>true</c> if [is disjoint productions] [the specified same productions]; otherwise, <c>false</c>.</returns>
private static bool IsDisjointProductions(List <Production> sameProductions, GenericGrammar grammar)
{
for (int i = 0; i < sameProductions.Count; i++)
{
List <char> selectionSet = GrammarTools.GetSeleccionSetOfProduction(new List <char>(), sameProductions[i].leftSide.index, grammar);
for (int j = 0; j < sameProductions.Count; j++)
{
if (i != j)
{
List <char> selectionSetToCompare = GrammarTools.GetSeleccionSetOfProduction(new List <char>(), sameProductions[j].leftSide.index, grammar);
if (ListAreEqual(selectionSet, selectionSetToCompare))
{
return(false);
}
}
}
}
return(true);
}
/// <summary>Checks the selection set of peek.</summary>
/// <param name="productions">The productions.</param>
/// <param name="x">The x.</param>
/// <returns></returns>
public bool CheckSelectionSetOfPeek(List <Production> productions, char x)
{
foreach (Production production in productions)
{
if (production.rightSide [0].kind.Equals(Element.Kind.nulo))
{
if (GrammarTools.GetSeleccionSetOfProduction(new List <char> (), production.leftSide.index, grammar).Contains(x))
{
stack.Pop();
return(Transition(x));
}
else
{
//GamEvent.instance.RejectRow
return(false);
}
}
}
return(true);
}