simulators.cpp

在采用多道程序设计的系统中

#include <iostream>
#include <vector>
#include <string>
#include <fstream>

using namespace std;

#include "Storage.cpp"

void main()
{


	const int sLong = 128;
	int number;
	string operate;
	int unitNum;
	int absoluteNum = 0;
	vector<Storage> storage;

	Storage *stor0 = new Storage(0,1,5,011);
	storage.push_back(*stor0);

	Storage *stor1 = new Storage(1,1,8,012);
	storage.push_back(*stor1);

	Storage *stor2 = new Storage(2,1,9,013);
	storage.push_back(*stor2);

	Storage *stor3 = new Storage(3,1,1,021);
	storage.push_back(*stor3);

	Storage *stor4 = new Storage(4,0,0,022);
	storage.push_back(*stor4);

	Storage *stor5 = new Storage(5,0,0,023);
	storage.push_back(*stor5);

	Storage *stor6 = new Storage(6,0,0,121);
	storage.push_back(*stor6);



//	cout << storage.size() << endl;

	ifstream infile("input.txt");

	while(!infile.eof())
	{
//		string command;
		infile >> operate >> number >> unitNum;

		vector<Storage>::iterator item = storage.begin();
		for(; item != storage.end(); item ++)
		{
			if(item->getNumber() == number)
				break;
		}
		
		int mass = item->getMassNum();
		int validNum = item->getValid();
		
		if(validNum == 1)
		{
			absoluteNum = mass * sLong + unitNum;
			cout << "页号" << number << "的绝对地址是: " << absoluteNum << endl;
		}
		else if(validNum == 0)
		{
			cout << "缺页中断! " << " *该页页号: " << number << endl;
		}
		else
		{
			cout << "wrong number !" << endl;
		}
		
	}




}