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#ifndef VALUE_H_
#define VALUE_H_
#include <string>
#include "register_address.h"
class evaluator;
enum value_type {
VALUE_TYPE_GENERIC,
VALUE_TYPE_TREE,
VALUE_TYPE_CONST,
VALUE_TYPE_FLOAT
};
class value {
public:
value(enum value_type type);
virtual value * simplify() = 0;
virtual value * clone() = 0;
virtual std::string to_string() = 0;
enum value_type get_type();
private:
enum value_type m_type;
};
class tree_value : public value {
public:
tree_value(evaluator *, value * lchild, value * rchild);
value * simplify();
value * clone();
std::string to_string();
private:
evaluator * m_evaluator;
value * m_lchild;
value * m_rchild;
};
class float_value : public value {
public:
float_value();
float_value(float init_value);
value * simplify();
value * clone();
std::string to_string();
void set_value(float value);
bool m_has_value;
float m_value;
};
class const_value : public value {
public:
const_value(
register_address reg,
float_value * value);
value * simplify();
value * clone();
std::string to_string();
private:
register_address m_reg_address;
float_value * m_value;
};
#endif //VALUE_H_
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