fakir/src/Constant.hpp

#ifndef fk_CONSTANT_HPP
#define fk_CONSTANT_HPP

#include "commons.hpp"
#include "types.hpp"
#include "Loc.hpp"

namespace fk
{
  FK_ERROR(constant_error);

  class Program;

  using constant_t = std::variant<int,
                                  float,
                                  bool,
                                  std::string,
                                  size_t,
                                  std::shared_ptr<Program>
                                  >;

  class Constant
  {
  public:
    explicit Constant(Type type, constant_t value, Loc const& loc);
    virtual ~Constant();

    Type type() const { return m_type; }
    constant_t value() const { return m_value; }
    Loc loc() const { return m_loc; }

    std::string string() const;
    bool equals(Constant const& rhs) const;

  private:
    Type m_type;
    constant_t m_value;
    Loc m_loc;
  };
}

#endif