so.h

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#pragma once
 
#include <string>
 
#include "dbc.h"
#include "counter.h"
#include "helper.h"
#include "error.h"
 
 
enum class OTCode : char {
  L,     
  B,     
  I,     
  M,     
  N,     
  Nx,    
  O,     
  o,     
  Q,     
  R,     
 
  A,     
  Ax,    
  D,     
  S,     
  K,     
 
  X      
};
 
 
class SO : public Counter<SO>, protected DbC {
  bool exec_;            
public:
  explicit SO( bool p_exec = false ) : exec_(p_exec) {}
 
 
  virtual ~SO() = default;
 
 
public: /* accessor */
  bool getExec() const {
    return exec_;
  }
 
 
  void setExec( bool p_exec ) {
    exec_ = p_exec;
  }
 
 
  virtual size_t getSize() const {
    return 1;
  }
 
 
public: /* virtual */
  [[nodiscard]] virtual SO * dup() const = 0;
 
 
  [[nodiscard]] virtual SO * clone() const {
    return dup();
  }
 
 
  virtual std::string opequal() const = 0;
 
 
  virtual std::string opequalequal() const {
    return opequal();
  }
 
 
  virtual OTCode ot() const = 0;
 
 
  virtual std::string type() const = 0;
 
 
  virtual bool equal( const SO * /* unused */ ) const = 0;
 
 
  virtual bool gt( const SO * /* unused */ ) const {
    opErrExit( typecheck );
  }
 
 
  virtual bool ge( const SO * /* unused */ ) const {
    opErrExit( typecheck );
  }
};
 
 
using SOp = SO *;
 
 
class SOcomposite : public SO {
 
public:
  using SO::SO;
 
 
public: /* virtual */
  std::string opequal() const override {
    return "--nostringval--";
  }
 
 
  virtual size_t treeheight( size_t p_myheigth ) const {
    return p_myheigth;
  }
};