public override void ExitExp([NotNull] slpParser.ExpContext context)
{
var list = new List <Tuple <Operator, Node> >();
foreach (var item in context.children)
{
var n = m.Get(item);
if (n == null)
{
continue;
}
if (n.Data is Operator)
{
list.Add(new Tuple <Operator, Node>((Operator)n.Data, n));
}
else
{
list.Add(new Tuple <Operator, Node>(Operator.nullop, n));
}
}
if (list.Count == 1)
{
m.Put(context, list.First().Item2);
}
else if (list.Count > 0)
{
m.Put(context, ParseOperators2(list).Item2);
}
}
/// <summary>
/// Exit a parse tree produced by <see cref="slpParser.exp"/>.
/// <para>The default implementation does nothing.</para>
/// </summary>
/// <param name="context">The parse tree.</param>
public virtual void ExitExp([NotNull] slpParser.ExpContext context)
{
}
