我不断收到错误分段错误(核心转储),所以我运行了 valgrind。这是我第一次使用它,所以不知道该怎么做才能让我的代码正常工作。我试过改变它,但它仍然说核心转储,或者我收到比以前更多的错误。我确实尝试使用 gdb 调试代码,但调试器无法正常工作。
和相应的product.h
#ifndef GS_PRODUCT
#define GS_PRODUCT
#include <iostream>
#include <string>
using namespace std;
class Product
{
private:
int plu_code;
string name;
double price;
bool by_weight;
double inventory;
public:
Product(int p_code = 0, string p_name = "", bool p_by_weight = true, double p_price = 0.0, double p_inv = 0.0);
bool sold_by_weight(void);
double compute_cost(double weight_or_unit);
string get_name(void);
int get_plu_code(void);
double get_price(void);
double get_inventory(void);
};
#endif
这是我的产品.cpp:41
#include <iostream>
#include <string>
#include "product.h"
using namespace std;
Product::Product(int p_code, string p_name, bool p_by_weight, double p_price, double p_inv)
{
plu_code = p_code;
name = p_name;
by_weight = p_by_weight;
price = p_price;
inventory = p_inv;
}
bool Product::sold_by_weight(void)
{
return by_weight;
}
double Product::compute_cost(double weight_or_units)
{
inventory -= weight_or_units;
return weight_or_units * price;
}
string Product::get_name(void) {
return name;
}
int Product::get_plu_code(void) {
return plu_code;
}
double Product::get_price(void) {
return price;
}
double Product::get_inventory(void) {
return inventory;
}
这是我的主要程序商店
#include <iostream>
#include <fstream>
#include <iomanip>
#include <string>
#include <sstream>
#include "product.h"
#include "Tokenizer.h"
#include "LookupTable.h"
using namespace std;
LookupTable<Product *> table;
int numProducts = 0;
void checkout()
{
}
int main()
{
int plu;
string name;
int weight;
double inv;
double price;
table.addRange(0, 9999);
table.addRange(90000, 99999);
// std::string line;
//Input file
ifstream infile("inventory.csv");
if(infile.fail())
perror("Could not open file ");
stringstream ss;
while(infile.good())
{
string line = "";
//read a product info from file
getline(infile, line);
Tokenizer tok(line, ",");
ss<<line;
//string token = tok.next();
ss >> plu >> name >> weight >> price >>inv;
table[plu] = new Product(plu, name,weight, price,inv);
numProducts++;
}
infile.close();
checkout();
ofstream outfile;
outfile.open("output.csv");
for(int i=0; i< numProducts; i++)
{
outfile<< table[i]-> get_plu_code() << "" << table[i]->get_name()<<""<<table[i]->sold_by_weight() <<""<<table[i]->get_price() <<""<<table[i]->get_inventory();
}
outfile.close();
return 0;
}