intercode.h

#pragma once
#include "common.h"
#include "dfg.h"

class Quaternion //四元式定义
{
    string label;
    Operator op;
    Var *result, *arg1, *arg2;
    Fun *fun;
    Quaternion *target; //跳转标号
    bool isFirst; //表示首指令
    Block* block;

    void init(); //初始化 maybe需要

public:
    Quaternion(); //特殊 产生标签
    ~Quaternion();
    Quaternion(Operator op, Var* result, Var* arg1, Var* arg2 = NULL); //一般的运算指令
    Quaternion(Operator op, Fun* fun, Var* result = NULL); //函数相关指令
    Quaternion(Operator op, Var* arg1 = NULL); //单参或无参指令
    Quaternion(Operator op, Quaternion* target, Var* arg1 = NULL, Var* arg2 = NULL); //跳转指令

    Operator getOp();
    string getLabel();
    Fun* getFun();
    Var* getResult();
    Var* getArg1();
    Var* getArg2();
    void setArg1(Var* arg);
    Quaternion* getTarget();
    void setFirst();
    bool getFirst();
    bool isJmp();
    bool isJmpCond();
    bool isDec();
    void toString(); //输出指令信息
    // 数据流分析
    Block* getBlock();
    void setBlock(Block* blk);
    vector<double> inVals; //数据流in集合
    vector<double> outVals; //数据流out集合
    void replace(Operator op, Quaternion* target, Var* arg1 = NULL, Var* arg2 = NULL);
    void replace(Operator op, Var* result, Var* arg1 = NULL, Var* arg2 = NULL);
};

class InterCode //中间代码
{

public:
    vector<Quaternion*> intercode;
    InterCode();
    ~InterCode();
    void makeFirst();
    vector<Quaternion*> getInterCode();
    void addQuaternion(Quaternion* code); //添加代码
};