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#ifndef TRAVERSER_H_
#define TRAVERSER_H_
enum Response {ContinueTraversal, AbortTraversal, PruneTraversal};
class Traverser
{
public:
enum TraversalType {PREFIX, POSTFIX, PRE_AND_POSTFIX};
Traverser(class Visitor &visitor, const class AbstractNode &root, TraversalType travtype)
: visitor(visitor), root(root), traversaltype(travtype) {
}
virtual ~Traverser() { }
void execute();
private:
// FIXME: reverse parameters
void traverse(const AbstractNode &node, const class State &state);
Visitor &visitor;
const AbstractNode &root;
TraversalType traversaltype;
};
#endif
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