transition_finder.h

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#ifndef META_PARSER_TRANSITION_FINDER_H_
#define META_PARSER_TRANSITION_FINDER_H_

#include <vector>

#include "parser/transition.h"
#include "parser/trees/visitors/visitor.h"

namespace meta
{
namespace parser
{

class transition_finder : public const_visitor<void>
{
  public:
    void operator()(const leaf_node&) override;
    void operator()(const internal_node&) override;

    std::vector<transition> transitions();

    class exception : public std::runtime_error
    {
      public:
        using std::runtime_error::runtime_error;
    };

  private:
    std::vector<transition> transitions_;
};
}
}

#endif