fileio.java

JAVA的CMM编译器(词法+语法+语义+输出结果)

/*
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 * and open the template in the editor.
 */

package cmm;
import java.io.*;
import java.util.*;

/**
 *
 * @author lx
 */
public class FileIO {

    public FileIO(){
        
    }
    public void writeIns(LinkedList instruc) throws IOException{
        PrintWriter  output =
            new  PrintWriter(new FileWriter("D:\\Instruc.txt"));
        
        while(!instruc.isEmpty()){
            Instruction temp;
            temp = (Instruction)instruc.poll();
            String ins = temp.getIns().toString();
            int lev = temp.getLev();
            String a;
            if(temp.getFlag()){
                a = String.valueOf( temp.getA_r());
            }else{
                a = String.valueOf(temp.getA_i());
            }
            output.println(ins +"      "+ lev + "      " + a);
        }
        output.println("完成目标代码生成！");
        output.close();
    }

}