private static void VisitLiteral(Expression literal, GdlVisitor visitor)
{
visitor.VisitLiteral(literal);
var fact = literal as Fact;
if (fact != null)
{
if (fact.RelationName == GameContainer.Parser.TokDistinct)
VisitDistinct(fact, visitor);
else
VisitSentence(fact, visitor);
}
else if (literal is Negation)
VisitNot((Negation) literal, visitor);
else if (literal is Disjunction)
VisitOr((Disjunction) literal, visitor);
else
throw new Exception("Unexpected GdlLiteral type " + literal.GetType());
}
