src/interpreter.h

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#if !defined(VITA_SRC_INTERPRETER_H)
#define      VITA_SRC_INTERPRETER_H
 
#include "kernel/gp/mep/interpreter.h"
 
namespace vita
{
using number = D_DOUBLE;
 
template<class T>
class src_interpreter : public interpreter<T>
{
public:
  explicit src_interpreter(const T *prg) : interpreter<T>(prg),
                                           example_(nullptr)
  {}
 
  value_t run(const std::vector<value_t> &);
 
  [[nodiscard]] value_t fetch_var(unsigned) final;
 
private:
  // Tells the compiler we want both the run function from interpreter and
  // src_interpreter.
  // Without this statement there will be no `run()` function in the scope
  // of src_interpreter, because it is hidden by another method with the same
  // name (compiler won't search for function in base classes if derived
  // class has at least one method with specified name, even if it has
  // different arguments).
  using interpreter<T>::run;
 
  const std::vector<value_t> *example_;
};
 
template<class T> value_t run(const T &, const std::vector<value_t> &);
 
#include "kernel/gp/src/interpreter.tcc"
 
}  // namespace vita
 
#endif  // include guard