void SelectClause(QueryNode parent)
{
QueryNode node, expr = null;
node = new SelectNode();
parent.Add(node);
while (StartOf(1))
{
if (la.kind == 3 || la.kind == 4)
{
ReservedWords();
return;
}
if (la.kind == 5)
{
Get();
}
if (la.kind == 11)
{
SelectStar();
node.Add(new LeafNode(t.val));
}
else if (StartOf(2))
{
ExprSpec(out expr);
node.Add(expr);
}
else
{
SynErr(23);
}
}
}