void Relational(out PredicativeExpressionElement elem)
{
var xelem = new Relational(SP); elem = xelem;
Additive(out var d);
xelem.Left = d;
if (StartOf(7))
{
if (la.kind == 34)
{
Get();
xelem.Operator = Relation.Greater;
}
else if (la.kind == 35)
{
Get();
xelem.Operator = Relation.GreaterOrEqual;
}
else if (la.kind == 36)
{
Get();
xelem.Operator = Relation.Less;
}
else
{
Get();
xelem.Operator = Relation.LessOrEqual;
}
Relational(out d);
xelem.Right = d;
}
}
void Conjunct(out PredicativeExpressionElement elem)
{
var xelem = new Relational(SP); elem = xelem;
Relational(out var d);
xelem.Left = d;
if (la.kind == 38 || la.kind == 39)
{
if (la.kind == 38)
{
Get();
xelem.Operator = Relation.Equal;
}
else
{
Get();
xelem.Operator = Relation.NotEqual;
}
Conjunct(out d);
xelem.Right = d;
}
}