walker.h

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#ifndef CYMOCA_AST_WALKER_H_
#define CYMOCA_AST_WALKER_H_

#include "listener/listener.h"
#include "node.h"

namespace cymoca::ast {

class Walker {
 public:
  void walk(INode *tree, listener::Base &listener) {
    assert(tree);
    listener.enterEvery(tree);
    tree->enter(listener);
    for (auto &c : tree->getChildren()) {
      assert(c);
      walk(c, listener);
    }
    tree->exit(listener);
    listener.exitEvery(tree);
  }
};

}  // namespace cymoca::ast
#endif