void WhereClause(SingleNodeTree tree) {
var conditions = new ConditionGroup(); tree.SetChild(conditions);
Expect(16);
Unary(conditions, false);
while (StartOf(4)) {
Unary(conditions, false);
}
}
void ComplexCondition(SingleNodeTree parent, SelectorExpression selector, bool? isAsOptional) {
ConditionGroup group = new ConditionGroup(); parent.SetChild(group); ExpressionTreeBase addTo = group; SingleNodeTree condition = null; ConditionalExpression lastOperation = null;
Expect(7);
while (StartOf(4)) {
lastOperation = lastOperation ?? new AndCondition();
MultiAdd(addTo, lastOperation);
addTo = lastOperation;
var nestedselector = new SelectorExpression(selector.NodeType, selector.Modifier, selector.Left);
if (la.kind == 6 || la.kind == 36) {
if (la.kind == 6) {
Get();
} else {
Get();
}
if (la.kind == 17) {
Get();
}
NotCondition not = new NotCondition(); lastOperation.SetChild(not); lastOperation = not;
}
if (la.kind == 7) {
ComplexCondition(lastOperation, nestedselector, isAsOptional);
} else if (StartOf(6)) {
Condition(lastOperation, nestedselector, isAsOptional);
} else SynErr(56);
if (la.kind == 13 || la.kind == 14) {
Operation(out lastOperation);
}
else { lastOperation = null; }
}
Expect(8);
}
void OptionalWhereClause(SingleNodeTree tree) {
var conditions = new ConditionGroup(); tree.SetChild(conditions);
if (la.kind == 16) {
Get();
}
Unary(conditions, false);
while (StartOf(4)) {
Unary(conditions, false);
}
}
void ConditionGroup(SingleNodeTree parent, bool? isAsOptional) {
ConditionGroup group = new ConditionGroup(); parent.SetChild(group);
ExpressionTreeBase addTo = group; SingleNodeTree condition = null;
ConditionalExpression lastOperation = null;
Expect(7);
while (StartOf(4)) {
lastOperation = lastOperation ?? new AndCondition();
MultiAdd(addTo, lastOperation);
addTo = lastOperation;
if (la.kind == 6 || la.kind == 36) {
if (la.kind == 6) {
Get();
} else {
Get();
}
if (la.kind == 17) {
Get();
}
NotCondition not = new NotCondition(); lastOperation.SetChild(not); lastOperation = not;
}
if (StartOf(6)) {
Condition(lastOperation, null, isAsOptional);
} else if (la.kind == 7) {
ConditionGroup(lastOperation, isAsOptional);
} else SynErr(54);
if (la.kind == 13 || la.kind == 14) {
Operation(out lastOperation);
}
else { lastOperation = null; }
}
if (lastOperation != null && lastOperation.Child == null) SemErr("Invalid Condition");
Expect(8);
}