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64 lines
1.3 KiB
64 lines
1.3 KiB
12 months ago
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#ifndef _SYSYF_VALUE_H_
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#define _SYSYF_VALUE_H_
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#include <string>
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#include <list>
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#include <iostream>
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#include <memory>
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#include "internal_types.h"
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namespace SysYF
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{
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namespace IR
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{
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class Type;
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class Value;
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struct Use
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{
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Ptr<Value> val_;
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unsigned arg_no_; // the no. of operand, e.g., func(a, b), a is 0, b is 1
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Use(Ptr<Value> val, unsigned no) : val_(val), arg_no_(no) {}
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};
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class Value : public std::enable_shared_from_this<Value>
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{
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public:
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~Value() = default;
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Ptr<Type> get_type() const { return type_; }
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std::list<Use> &get_use_list() { return use_list_; }
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void add_use(Ptr<Value> val, unsigned arg_no = 0);
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bool set_name(std::string name) {
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if (name_ == "")
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{
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name_=name;
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return true;
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}
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return false;
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}
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std::string get_name() const;
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void replace_all_use_with(Ptr<Value> new_val);
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void remove_use(Ptr<Value> val);
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virtual std::string print() = 0;
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protected:
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explicit Value(Ptr<Type> ty, const std::string &name = "");
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private:
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Ptr<Type> type_;
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std::list<Use> use_list_; // who use this value
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std::string name_; // should we put name field here ?
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};
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}
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}
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#endif // _SYSYF_VALUE_H_
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