Compile Errors

jdbrine · #1 29-Jun-2006, 21:46

I'm having several compile errors that I am not understanding. My code and errors are below, inserted after lines of code for convenience, along with what I think the problem is:

//Driver.cpp

CPP / C++ / C Code:

#include <iostream>
#include <string>
#include <ctime>
#include "Date.h"
#include "Person.h"

using namespace std;

int main()
{
	string askinfo;
	string writeinfo;

	struct tm *currday;


	time_t long_time;
	time(&long_time);

	currday=localtime(&long_time);
	int day;
	int month;
	int year;

	year = currday ->tm_year + 1900;
	month=currday ->tm_mon + 1;
	day=currday->tm_mday;

	int ans;
	cout << "Jerry Brinegar - Summer 2006" << endl;
	cout << "CP 278B C++ Programming Part 2" << endl;
	cout << "Program 4 - 6/24/2006" << endl;
	cout << "\n";
	cout << "\n";
	cout << "Classes/Person and Date" << endl;
	cout << "Today's Date is: ";
	cout << month << "/" << day << "/" << year << endl;


	Person Pal;


	do
	{

		askinfo=Pal.AskUserForPerson();

/*C:\Documents and Settings\Jerry Brinegar\Desktop\CP278 - Visual C++\CP 287B C++\BrinegarP4\Driver.cpp(50) : error C2679: binary '=' : no operator defined which takes a right-hand operand of type 'void' (or there is no acceptable conversion)*/

		writeinfo=Pal.WritePersonToScreen();
/*C:\Documents and Settings\Jerry Brinegar\Desktop\CP278 - Visual C++\CP 287B C++\BrinegarP4\Driver.cpp(51) : error C2679: binary '=' : no operator defined which takes a right-hand operand of type 'void' (or there is no acceptable conversion)*/


		cout << '\n';
		cout << "Do you want to go again? 1 - yes, 2 - no ";
		cin >> ans;
		
	}while (ans!=2);


return 0;

}

I think these two are because my return type is void in my function definition in my class? So I would either change to string type, or just have Pal.AskUserForPerson() as my call?

//Date.cpp

CPP / C++ / C Code:

#include <iostream>
#include <string>
#include <ctime>
#include "Date.h"
#include "Person.h"

using namespace std;

Date::Date()
{
SetDate(7, 5, 2006, "today");
DayOfYear=186;
}

void Date::SetDate(int m, int d, int y, string desc)
{

	month=m;
	day=d;
	year=y;
	description=desc;



}

int Date::GetDay()
/*C:\Documents and Settings\Jerry Brinegar\Desktop\CP278 - Visual C++\CP 287B C++\BrinegarP4\Date.cpp(32) : warning C4518: 'int ' : storage-class or type specifier(s) unexpected here; ignored
*/
int Date::GetMonth()
/*C:\Documents and Settings\Jerry Brinegar\Desktop\CP278 - Visual C++\CP 287B C++\BrinegarP4\Date.cpp(32) : error C2143: syntax error : missing ';' before 'tag::id'
C:\Documents and Settings\Jerry Brinegar\Desktop\CP278 - Visual C++\CP 287B C++\BrinegarP4\Date.cpp(32) : fatal error C1004: unexpected end of file found
Error executing cl.exe.*/

int Date::GetYear()
int Date::GetDayOfYear()


void Date::GetFormattedDate()

{


}

I'm not sure what is causing these.

Other relevant files:

//Person.cpp

CPP / C++ / C Code:

#include <iostream>
#include <string>
#include <sstream>
#include "Date.h"
#include "Person.h"

using namespace std;

Person::Person()
{
	

}


void Person::AskUserForPerson()
{

	int mnth;
	int dy;
	int yr;
	string dsc;

	mnth=bday.GetMonth();
	dy=bday.GetDay();
	yr=bday.GetYear();

	cout << "Enter the person's name: " ;

	cin >> name;


	cout << "Enter the birthday (m/d/y): ";
	cin >>  mnth,dy,yr;

	bday.SetDate(mnth,dy,yr,dsc);
	
}

void Person::WritePersonToScreen()
{

cout << "Person's Name is: " << name;


}

//Date.h

CPP / C++ / C Code:


#include <string>

using namespace std;

class Date
{
private:
	int month, day, year;
	string description;
	int DayOfYear;

public:
	Date();									//constructor object with system date 7/5/2006
	//Date(int m, int d, int y, string desc);	//constructor for input values
	void SetDate(int m, int d, int y, string desc);	//sets Date object to input values

	string GetFormattedDate();	//returns the date and year description in formatted string

	int GetDayOfYear();			//returns day of year 1-365
	int GetYear() {return year;}
	int GetMonth() {return month;}
	int GetDay() {return day;}
};

//Person.h

CPP / C++ / C Code:


#include <string>


class Person
{
private:
	string name;
	Date tday;				//system date
	Date bday;
	int age;				//person's age in years
	int daysToFromBDay;		//number of days to/from birthday
	bool bhadABirthday;		//true if birthday has already occurred, false if not

	void CalcDaysToFromBDay();
	void CalculateAge();


public:
	Person();					//constructor initializes values to zero/null
	void AskUserForPerson();	//asks for the name and birthday
								//calls CalcAge() and CalcDays()

	void WritePersonToScreen();

};

WaltP · #2 30-Jun-2006, 00:24

The error:

CPP / C++ / C Code:

askinfo=Pal.AskUserForPerson();
/*C:\Documents and Settings\Jerry Brinegar\Desktop\CP278 - 
Visual C++\CP 287B C++\BrinegarP4\Driver.cpp(50) : error C2679: 
binary '=' : no operator defined which takes a right-hand operand 
of type 'void' (or there is no acceptable conversion)*/

(please note I put the error on multiple lines so it can be read)

Error Dissection:
binary '=' : no operator defined: you don't have an = operator for the types you are trying to set equal.

right-hand operand of type 'void': Right side of the = (Pal.AskUserForPerson()) is a void value.

CPP / C++ / C Code:

string askinfo;

askinfo is obviously a string type

CPP / C++ / C Code:

class Person
{
...
	void AskUserForPerson();	//asks for the name and birthday
...
}

AskUserForPerson() returns nothing. How can you set a string to nothing?

This should start you on your way...

amad1337 · #3 30-Jun-2006, 01:33

//Date.cpp

CPP / C++ / C Code:


int Date::GetDay() //wrong, the statement need to end with ;

int Date::GetMonth()


int Date::GetYear()

Those functions are already defined in the header, Date.h, as inline function. So remove the functions from the implementation file, Date.cpp.

//Date.cpp

CPP / C++ / C Code:


int Date::GetDayOfYear()

But this one is just declared in the header, Date.h. So you need to implement it here.

jdbrine · #4 30-Jun-2006, 11:11

Yes, that's what I was thinking and what I stated in my post Re: binary= compile errors.

I think these two are because my return type is void in my function definition in my class? So I would either change to string type, or just have Pal.AskUserForPerson() as my call?

amad1337 thanks for the info.

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