Pointer Problem

[Holloweye]

So here is more info:


Functions.Cpp:

#include "stdafx.h"
#include <sstream>


void reader(string data, Binary binarys[], Constant constants[], int *binaryid, int *constantid)
{
	cout << "Reader";

	int cpri = 0; //CURRENT
	int hpri = 0; //RIGHT NOW
	bool done = false;
	

	while(done == false){
		if(binarys[*binaryid].ExpressionPointer1 == NULL)
			next(data,binarys,constants,binaryid,constantid, &cpri, &hpri);
		else if(binarys[*binaryid].ExpressionPointer2 == NULL)
			done = true;
		else{//IF BOTH NULL
			cout << "NONE";
		}
	}
}

Binary Expression.h:

#include <string>
using std::string;
using namespace std;

class Binary : public Expression{
public:
	string s_operator;
	Expression *ExpressionPointer1;
	Expression *ExpressionPointer2;
};

Constant Expression.h:

class Constant : public Expression{
public:
	int number;
};

Expression.h:

#include <string>
using std::string;
using namespace std;

class Expression{
public:

};

ExpressionParser.cpp:

int _tmain(int argc, _TCHAR* argv[])
{
	string data;
	fstream filestr;

	int binaryid   = 0;
	int constantid = 0;
	Constant constants[99];
	Binary binarys[99];
......
        reader(data,binarys,constants,&binaryid,&constantid);
.......
}

ERROR:

1>------ Build started: Project: ExpressionParser, Configuration: Debug Win32 ------
1>Compiling...
1>Functions.cpp
1>c:\users\christer\desktop\projects\expressionparser\expressionparser\functions.cpp(15) : error C2784: 'bool std::operator ==(const std::basic_string<_Elem,_Traits,_Alloc> &,const _Elem *)' : could not deduce template argument for 'const std::basic_string<_Elem,_Traits,_Alloc> &' from 'Expression'
1>        c:\program files\microsoft visual studio 9.0\vc\include\string(90) : see declaration of 'std::operator =='
1>c:\users\christer\desktop\projects\expressionparser\expressionparser\functions.cpp(15) : error C2784: 'bool std::operator ==(const _Elem *,const std::basic_string<_Elem,_Traits,_Alloc> &)' : could not deduce template argument for 'const _Elem *' from 'Expression'
1>        c:\program files\microsoft visual studio 9.0\vc\include\string(80) : see declaration of 'std::operator =='
1>c:\users\christer\desktop\projects\expressionparser\expressionparser\functions.cpp(15) : error C2784: 'bool std::operator ==(const std::basic_string<_Elem,_Traits,_Alloc> &,const std::basic_string<_Elem,_Traits,_Alloc> &)' : could not deduce template argument for 'const std::basic_string<_Elem,_Traits,_Alloc> &' from 'Expression'
1>        c:\program files\microsoft visual studio 9.0\vc\include\string(70) : see declaration of 'std::operator =='
1>c:\users\christer\desktop\projects\expressionparser\expressionparser\functions.cpp(15) : error C2784: 'bool std::operator ==(const std::istreambuf_iterator<_Elem,_Traits> &,const std::istreambuf_iterator<_Elem,_Traits> &)' : could not deduce template argument for 'const std::istreambuf_iterator<_Elem,_Traits> &' from 'Expression'
1>        c:\program files\microsoft visual studio 9.0\vc\include\streambuf(548) : see declaration of 'std::operator =='
1>c:\users\christer\desktop\projects\expressionparser\expressionparser\functions.cpp(15) : error C2784: 'bool std::operator ==(const std::allocator<_Ty> &,const std::allocator<_Other> &) throw()' : could not deduce template argument for 'const std::allocator<_Ty> &' from 'Expression'
1>        c:\program files\microsoft visual studio 9.0\vc\include\xmemory(173) : see declaration of 'std::operator =='
1>c:\users\christer\desktop\projects\expressionparser\expressionparser\functions.cpp(15) : error C2784: 'bool std::operator ==(const std::reverse_iterator<_RanIt> &,const std::reverse_iterator<_RanIt2> &)' : could not deduce template argument for 'const std::reverse_iterator<_RanIt> &' from 'Expression'
1>        c:\program files\microsoft visual studio 9.0\vc\include\xutility(2246) : see declaration of 'std::operator =='
1>c:\users\christer\desktop\projects\expressionparser\expressionparser\functions.cpp(15) : error C2784: 'bool std::operator ==(const std::_Revranit<_RanIt,_Base> &,const std::_Revranit<_RanIt2,_Base2> &)' : could not deduce template argument for 'const std::_Revranit<_RanIt,_Base> &' from 'Expression'
1>        c:\program files\microsoft visual studio 9.0\vc\include\xutility(2050) : see declaration of 'std::operator =='
1>c:\users\christer\desktop\projects\expressionparser\expressionparser\functions.cpp(15) : error C2784: 'bool std::operator ==(const std::pair<_Ty1,_Ty2> &,const std::pair<_Ty1,_Ty2> &)' : could not deduce template argument for 'const std::pair<_Ty1,_Ty2> &' from 'Expression'
1>        c:\program files\microsoft visual studio 9.0\vc\include\utility(83) : see declaration of 'std::operator =='
1>c:\users\christer\desktop\projects\expressionparser\expressionparser\functions.cpp(15) : error C2676: binary '==' : 'Expression' does not define this operator or a conversion to a type acceptable to the predefined operator
1>Build log was saved at "file://c:\Users\Christer\Desktop\Projects\ExpressionParser\ExpressionParser\Debug\BuildLog.htm"
1>ExpressionParser - 9 error(s), 0 warning(s)
========== Build: 0 succeeded, 1 failed, 0 up-to-date, 0 skipped ==========