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#ifndef INSTRDTO_H
#define INSTRDTO_H
#include <string>
#include <functional>
#include <unordered_map>
#include "accessor.h"
class InstrDTO
{
public:
/**
* Constructor.
*/
InstrDTO();
~InstrDTO() = default;
/**
* @return hist entry for Accessor
*/
int get_time_of(Accessor);
/**
* @return id_cycle
*/
int get_id_cycle();
/**
* @return instr_bits
*/
signed int get_instr_bits();
/**
* @return s1
*/
signed int get_s1();
/**
* @return s2
*/
signed int get_s2();
/**
* @return s3
*/
signed int get_s3();
/**
* @return the string representation of oper.
*/
std::string get_oper_name();
/**
* @param set hist key
*/
void set_time_of(Accessor, int);
/**
* @param instr_bits
*/
void set_instr_bits(signed int);
/**
* @param s1
*/
void set_s1(signed int);
/**
* @param s2
*/
void set_s2(signed int);
/**
* @param s3
*/
void set_s3(signed int);
private:
/**
* The clock cycle each stage finished an operation.
*/
std::unordered_map<Accessor, int> hist;
/**
* The raw bits encoding the instruction.
*/
signed int instr_bits;
/**
* Slots in this instruction, for storing temporary registers, immediates,
* or other.
* Some instruction types may use these differently.
* The `oper` function is in charge of knowing how to parse these.
*/
signed int s1;
signed int s2;
signed int s3;
/**
* The operation to be conducted during the execute phase.
*/
std::function<void()> instr;
};
#endif /* INSTRDTO_H_INCLUDED */
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