virtual bool visit(SgTransformNode& node) {
// build up an accumulated RBT stack
if (rbtStack_.size() == 0)
rbtStack_.push_back(node.getRbt());
else
rbtStack_.push_back(rbtStack_.back() * node.getRbt());
// keep track of whether we've hit our target
return !(target_ == node);
}
virtual bool visit(SgTransformNode& node) {
if(node == target_) {
rbtStack_.push_back(rbtStack_.back() * node.getRbt());
return false;
}
else {
if(rbtStack_.empty())
rbtStack_.push_back(node.getRbt());
else
rbtStack_.push_back(rbtStack_.back() * node.getRbt());
return true;
}
}
virtual bool visit(SgTransformNode& node) {
if (!found_) {
rbtStack_.push_back(node.getRbt());
}
if (node==target_) {
found_ = true;
return false;
}
return true;
}