several Error C2146: syntax error : missing ';' before '*' , I didn't find anything.

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Hi,
I'm generating this c++ code(header file) from enterprise architect(class diagram) and facing several errors like
1. error C2146: syntax error : missing ';' before '*' on line 24 (Commented)
2. error C2143: syntax error : missing ',' before '&' on line 27 (I commented it out.)

I couldn't find what's wrong with this..
I'm new to C++..

C++

#include "oss.h"
#include "asn1.h"

#if !defined(EA_A82413CF_73C9_4cd6_8B8B_1DB261A17DF0__INCLUDED_)
#define EA_A82413CF_73C9_4cd6_8B8B_1DB261A17DF0__INCLUDED_

class __seqof1 : public OssList
{

public:
	typedef CareerEntry component;

	__seqof1();
	__seqof1(const __seqof1& prm1);
	~__seqof1();
	component * at(OssIndex prm1);  // line 24
	const component * at(OssIndex prm1) const;
	__seqof1 * extract_after(OssIndex prm1, OssIndex prm2);
	OssIndex insert_after(OssIndex prm1, const component& prm2); //line 27
	OssIndex insert_after(OssIndex prm1, __seqof1* prm2);
	int operator !=(const __seqof1& prm1) const;
	__seqof1 & operator =(const __seqof1& prm1);
	int operator ==(const __seqof1& prm1) const;
	OssIndex prepend(const component& prm1);
	OssIndex prepend(__seqof1* prm1);
	int remove_after(OssIndex prm1);
	int remove_front();

};

class BBCard
{

public:
	typedef OssString name;

	typedef OSS_UINT32 age;

	typedef OssString position;

	typedef __seqof1 career;


	virtual ~BBCard();

	BBCard();
	BBCard(const BBCard& prm1);
	BBCard(const name& prm1, BBCard::age prm2, const position& prm3, const career& prm4);
	age & get_age();
	BBCard::age get_age() const;
	career & get_career();
	const career & get_career() const;
	name & get_name();
	const name & get_name() const;
	position & get_position();
	const position & get_position() const;
	int operator !=(const BBCard& prm1) const;
	BBCard & operator =(const BBCard& prm1);
	int operator ==(const BBCard& prm1) const;
	void operator delete(void* ptr);
	void * operator new(size_t size);
	void set_age(BBCard::age prm1);
	void set_career(const career& prm1);
	void set_name(const name& prm1);
	void set_position(const position& prm1);

private:
	BBCard::age age_field;
	BBCard::career career_field;
	BBCard::name name_field;
	BBCard::position position_field;

};

/**
* Specific PDU classes
*/
class BBCard_PDU : public ConcretePDU
{

public:
	virtual ~BBCard_PDU();

	BBCard_PDU();
	const BBCard * get_const_data() const;
	BBCard * get_data() const;
	void set_const_data(const BBCard& d);
	void set_data(BBCard& prm1);

protected:
	OssTypeIndex get_index() const;

};

/**
* Control object class
*/
class bcas_Control : public OssControl
{

public:
	virtual ~bcas_Control();

	bcas_Control();
	bcas_Control(const bcas_Control& prm1);

};

/**
* Universal PDU class
*/
class bcas_PDU : public UniversalPDU
{

public:
	virtual ~bcas_PDU();

	bcas_PDU();
	BBCard * get_BBCard() const;
	const BBCard * get_const_BBCard() const;
	void set_BBCard(BBCard& prm1);
	void set_const_BBCard(const BBCard& prm1);

};

/**
* Representation types
*/
class CareerEntry
{

public:
	typedef OSS_UINT32 from;

	typedef OSS_UINT32 to;

	typedef OssString team;


	virtual ~CareerEntry();

	CareerEntry();
	CareerEntry(const CareerEntry& prm1);
	CareerEntry(CareerEntry::from prm1, CareerEntry::to prm2, const team& prm3);
	CareerEntry(CareerEntry::from prm1, const team& prm2);
	from & get_from();
	CareerEntry::from get_from() const;
	team & get_team();
	const team & get_team() const;
	to * get_to();
	const to * get_to() const;
	void omit_to();
	int operator !=(const CareerEntry& prm1) const;
	CareerEntry & operator =(const CareerEntry& prm1);
	int operator ==(const CareerEntry& prm1) const;
	void operator delete(void* ptr);
	void * operator new(size_t size);
	void set_from(CareerEntry::from prm1);
	void set_team(const team& prm1);
	void set_to(CareerEntry::to prm1);
	int to_is_present() const;

private:
	OSS_UINT32 bit_mask;
	CareerEntry::from from_field;
	CareerEntry::team team_field;
	CareerEntry::to to_field;

};
#endif // !defined(EA_A82413CF_73C9_4cd6_8B8B_1DB261A17DF0__INCLUDED_)

Posted 4-Feb-16 1:34am

Member 12307076

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Jochen Arndt · Accepted Answer · 2016-02-04T02:02:00

That is because your CareerEntry class is unknown when used first.

You should use a forward declaration instead of a typedef:

C++

// Forward declaration
class CareerEntry;

class __seqof1 : public OssList
{
public:
// Remove this
//	typedef CareerEntry component;
 
	__seqof1();
	__seqof1(const __seqof1& prm1);
	~__seqof1();
	CareerEntry * at(OssIndex prm1);
	const CareerEntry * at(OssIndex prm1) const;
	__seqof1 * extract_after(OssIndex prm1, OssIndex prm2);
	OssIndex insert_after(OssIndex prm1, const CareerEntry& prm2);
// ...
};

class CareerEntry
{
// ...
};

Using typedefs here is bad style and obfuscates the code.

CPallini · Accepted Answer · 2016-02-04T02:32:00

Without seeing the included files, it is hard to guess. However, you cannot use CareerEntry class before, at least, a forward declaration.
I mean, the following program is incorrect:

C++

#include <iostream>
using namespace std;

class Foo
{
  typedef Bar B;

  B * b();
};

class Bar
{

};

Bar * Foo::b(){return new Bar();}

int main(){}

because of a missing forward declaration. The following one is fixed:

C++

#include <iostream>
using namespace std;

class Bar; // class forward declaration

class Foo
{
  typedef Bar B;

  B * b();
};

class Bar
{

};

Bar * Foo::b(){return new Bar();}

int main(){}

several Error C2146: syntax error : missing ';' before '*' , I didn't find anything.

2 solutions

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