// SetComp
public override bool Walk(SetComprehension node)
{
BitArray save = _bits;
_bits = new BitArray(_bits);
foreach (ComprehensionIterator iter in node.Iterators) {
iter.Walk(this);
}
node.Item.Walk(this);
_bits = save;
return false;
}
public override void PostWalk(SetComprehension node)
{
Debug.Assert(_scope is ComprehensionScope);
_scope = _scope.OuterScope;
base.PostWalk(node);
}
// SetComprehension
public override bool Walk(SetComprehension node)
{
return ShouldWalkWorker(node);
}
public override bool Walk(SetComprehension node)
{
EnsureComprehensionScope(node, MakeSetComprehensionScope);
Debug.Assert(_scope is ComprehensionScope);
return base.Walk(node);
}
public override void PostWalk(SetComprehension node)
{
PostWalkWorker(node);
}