안녕하세요, 일부 코드를 컴파일하는 데 문제가 있습니다. A가 의존하고 B가 A에 의존하는 상황이 있습니다. 앞으로 선언문을 작성했지만 문제가 계속 발생합니다.불완전한 유형을 컴파일하지 못했습니다. 순환 의존성
In file included from src/MemoWriteContext.h:7:0,
from src/MemoWriteContext.cpp:1:
src/MemoContext.h:29:20: error: field ‘memoWriteContext’ has incomplete type
MemoContext.h
#ifndef MEMOCONTEXT_H_
#define MEMOCONTEXT_H_
#include "sqlite/SqliteDb.h"
#include "Context.h"
#include "MemoWriteContext.h"
#include <string>
#include <memory>
#include <map>
namespace bbs
{
class MemoWriteContext;
class MemoContext : public Context
{
public:
//'structors
MemoContext(const std::map<std::string, std::shared_ptr<Context> > &_contexts,
sqlitecpp::SqliteDb &_sqliteDb);
~MemoContext();
protected:
//when called write the data back to the user
void performAction(const std::string &data, std::shared_ptr<UserAgent> agent);
private:
MemoWriteContext memoWriteContext;
}; //class memocontext
}
#endif // MEMOCONTEXT_H_
MemoWriteContext.h
#ifndef MEMOWRITECONTEXT_H_
#define MEMOWRITECONTEXT_H_
#include "Context.h"
#include "sqlite/SqliteDb.h"
#include "sqlite/PreparedStmt.h"
#include "MemoContext.h"
#include <string>
#include <memory>
#include <map>
namespace bbs
{
class MemoContext; //forward decl
class MemoWriteContext : public Context
{
public:
//'structors
MemoWriteContext(const std::map<std::string, std::shared_ptr<Context> > &_contexts,
MemoContext &_memoContext, sqlitecpp::SqliteDb &_sqliteDb);
~MemoWriteContext();
protected:
//when called write the data back to the user
virtual void performAction(const std::string &data, std::shared_ptr<UserAgent> agent);
virtual void onReceiveUserAgent(std::shared_ptr<UserAgent> agent);
private:
MemoContext &memoContext; //parent;
sqlitecpp::SqliteDb &sqliteDb;
sqlitecpp::PreparedStmt writeMemoStmt;
sqlitecpp::PreparedStmt findAgentIdStmt;
};
enum class MemoWriteState : char
{
USERNAME=0,
MESSAGE,
CONFIRM
};
class MemoWriteAgentData : public ContextAgentData
{
public:
MemoWriteState state;
int userId;
std::string message;
}; //class Memo Write Agent data
}
#endif // MEMOWRITECONTEXT_H_
이 질문은 C++과는 아무런 관련이 없습니다. 0x –