void Conditional(MultiNodeTree parent)
{
ExpressionTreeBase addTo = parent; SingleNodeTree condition = null; ConditionalExpression lastOperation = null;
while (StartOf(2))
{
lastOperation = lastOperation ?? new AndCondition();
MultiAdd(addTo, lastOperation);
addTo = lastOperation;
if (la.kind == 5)
{
Get();
NotCondition not = new NotCondition(); lastOperation.SetChild(not); lastOperation = not;
}
if (StartOf(3))
{
Condition(lastOperation);
}
else if (la.kind == 6)
{
ConditionGroup(lastOperation);
}
else
{
SynErr(44);
}
if (la.kind == 9 || la.kind == 10)
{
Operation(out lastOperation);
}
else
{
lastOperation = null;
}
}
if (lastOperation != null && lastOperation.Child == null)
{
SemErr("Invalid Condition");
}
}
void Conditional(MultiNodeTree parent) {
ExpressionTreeBase addTo = parent; SingleNodeTree condition = null; ConditionalExpression lastOperation = null;
while (StartOf(2)) {
lastOperation = lastOperation ?? new AndCondition();
MultiAdd(addTo, lastOperation);
addTo = lastOperation;
if (la.kind == 5) {
Get();
NotCondition not = new NotCondition(); lastOperation.SetChild(not); lastOperation = not;
}
if (StartOf(3)) {
Condition(lastOperation);
} else if (la.kind == 6) {
ConditionGroup(lastOperation);
} else SynErr(44);
if (la.kind == 9 || la.kind == 10) {
Operation(out lastOperation);
}
else { lastOperation = null; }
}
if (lastOperation != null && lastOperation.Child == null) SemErr("Invalid Condition");
}
