#ifndef sk_PROGRAM_HPP
#define sk_PROGRAM_HPP

#include "commons.hpp"
#include "opcodes.hpp"

namespace sk
{
  struct Instr {
    OpcodeType opcode;
    std::optional<param_t> param;
  };

  class Value;

  class Program
  {
  public:
    explicit Program();
    virtual ~Program();

    std::string string() const;

    size_t size() const { return m_instrs.size(); }
    size_t value_size() const { return m_values.size(); }

    void push_instr(OpcodeType opcode,
                    std::optional<param_t> param = std::nullopt);

    Instr const& instr(size_t index) const;
    Instr& instr(size_t index);

    size_t push_value(std::shared_ptr<Value> value);
    std::shared_ptr<Value> value(size_t index);

  private:
    std::vector<Instr> m_instrs;
    std::vector<std::shared_ptr<Value>> m_values;
  };
}

#endif