CompositePostdecrementNode.h

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/* -*- C++ -*- */
#ifndef _MADARA_COMPOSITE_POSTDECREMENT_NODE_H_
#define _MADARA_COMPOSITE_POSTDECREMENT_NODE_H_
 
#ifndef _MADARA_NO_KARL_
 
#include "madara/expression/CompositeUnaryNode.h"
#include "madara/knowledge/KnowledgeRecord.h"
#include "madara/expression/CompositeArrayReference.h"
#include "madara/expression/VariableNode.h"
 
namespace madara
{
namespace expression
{
class ComponentNode;
class Visitor;
 
class CompositePostdecrementNode : public CompositeUnaryNode
{
public:
  CompositePostdecrementNode(logger::Logger& logger, ComponentNode* right);
 
  virtual ~CompositePostdecrementNode(void);
 
  virtual madara::knowledge::KnowledgeRecord item(void) const;
 
  virtual madara::knowledge::KnowledgeRecord prune(bool& can_change);
 
  virtual madara::knowledge::KnowledgeRecord evaluate(
      const madara::knowledge::KnowledgeUpdateSettings& settings);
 
  virtual void accept(Visitor& visitor) const;
 
private:
  VariableNode* var_;
 
  CompositeArrayReference* array_;
};
}
}
 
#endif  // _MADARA_NO_KARL_
 
#endif /* _MADARA_COMPOSITE_POSTDECREMENT_NODE_H_ */