头一回发博客,来分享个有关C++类型萃取的编写技巧
废话不多说,上来贴代码最实在,哈哈!
以下代码量有点多,不过这都是在下一手一手敲出来的,小巧好用,把以下代码复制出来,放到相应的hpp文件即可,VS,GCC下均能编译通过
#include<iostream>
#include "../../traits/traits.hpp" using namespace std; int show(char i, int j)
{
return ;
} struct Stu
{
int show(char i, int j)
{
return ;
}
}; int main()
{
// 变量;类型萃取
traits::type_traits<int>::const_value_type i = ; // 通过traits::type_traits可以萃取到int类型的各种"衍生"类型,如指针什么的 // 以下是C函数的相关萃取
traits::function_traits<int(char, int)>::FunctionP_Type func_ptr = show; // 得到指针
func_ptr('a', ); cout << traits::function_traits<int(char, int)>::arity << endl; // 萃取出参数个数
cout << typeid(traits::function_traits<int(char, int)>::arg2).name() << endl;//萃取出参数1的类型
cout << typeid(traits::function_traits<int(char, int)>::arg1).name() << endl;//萃取出参数2的类型 // 以下是类成员函数的相关萃取
traits::mfunction_traits<int(Stu::*)(char, int)>::MFunctionP_Type mfunc_ptr = &Stu::show; // 得到指针
Stu stu;
((&stu)->*mfunc_ptr)('a', ); cout << typeid(traits::mfunction_traits<int(Stu::*)(char, int)>::arg2).name() << endl;//萃取出参数1的类型
cout << typeid(traits::mfunction_traits<int(Stu::*)(char, int)>::arg1).name() << endl;//萃取出参数2的类型
cout << typeid(traits::mfunction_traits<int(Stu::*)(char, int)>::result_type).name() << endl;//萃取出返回值
cout << typeid(traits::mfunction_traits<int(Stu::*)(char, int)>::class_type).name() << endl;//萃取出类类型 // 以下展示从C函数指针转为类成员函数指针的技巧
traits::fun_to_mem_converter<int(char, int), Stu>::MFunctionP_Type mfunc_ptr2 = mfunc_ptr; // 以下展示从类成员函数指针转为C函数指针的技巧
traits::mem_to_fun_converter<int(Stu::*)(char, int)>::FunctionP_Type func_ptr2 = func_ptr;
return ;
}
接下来是traits库的完整代码
// traits.hpp #ifndef TRAITS_INCLUDE
#define TRAITS_INCLUDE #include "function_traits.hpp"
#include "mfunction_traits.hpp"
#include "fun_to_mem_converter.hpp"
#include "mem_to_fun_converter.hpp"
#include "type_traits.hpp"
#include "pointer_integer_traits.hpp" #endif
// traits_config.hpp
#ifndef TRAITS_CONFIG_INCLUDE
#define TRAITS_CONFIG_INCLUDE #define NAMESPACE_TRAITS_BEGIN namespace traits{
#define NAMESPACE_TRAITS_END } #endif
//type_traits.hpp #ifndef TYPE_TRAITS_INCLUDE
#define TYPE_TRAITS_INCLUDE #include "traits_config.hpp" NAMESPACE_TRAITS_BEGIN template<typename T>
struct type_traits
{
typedef T value_type;
typedef const T const_value_type;
typedef T* pointer_type;
typedef const T* const_pointer_type;
typedef T** pointer_pointer_type;
typedef const T** const_pointer_pointer_type;
typedef T& reference_type;
typedef const T& const_reference_type;
typedef T*& pointer_reference_type;
typedef const T*& const_pointer_reference_type; static bool is_reference(){return false;};
static bool is_pointer(){return false;};
static bool is_value(){return true;};
static bool is_pointer_reference(){return false;}
static bool is_pointer_pointer(){return false;} static bool is_const_reference(){return false;};
static bool is_const_pointer(){return false;};
static bool is_const_value(){return false;};
static bool is_const_pointer_reference(){return false;}
static bool is_const_pointer_pointer(){return false;}
}; template<typename T>
struct type_traits<const T> : public type_traits<T>
{
static bool is_const_reference(){return false;};
static bool is_const_pointer(){return false;};
static bool is_const_value(){return true;};
static bool is_const_pointer_reference(){return false;}
static bool is_const_pointer_pointer(){return false;}
}; template<typename T>
struct type_traits<T*>: public type_traits<T>
{
static bool is_reference(){return false;}
static bool is_pointer(){return true;}
static bool is_value(){return false;}
static bool is_pointer_reference(){return false;}
static bool is_pointer_pointer(){return false;}
}; template<typename T>
struct type_traits<const T*>: public type_traits<T*>
{
static bool is_const_reference(){return false;};
static bool is_const_pointer(){return true;};
static bool is_const_value(){return false;};
static bool is_const_pointer_reference(){return false;}
static bool is_const_pointer_pointer(){return false;}
}; template<typename T>
struct type_traits<T&>: public type_traits<T>
{
static bool is_reference(){return true;}
static bool is_pointer(){return false;}
static bool is_value(){return false;}
static bool is_pointer_reference(){return false;}
static bool is_pointer_pointer(){return false;}
}; template<typename T>
struct type_traits<const T&>: public type_traits<T&>
{
static bool is_const_reference(){return true;};
static bool is_const_pointer(){return false;};
static bool is_const_value(){return false;};
static bool is_const_pointer_reference(){return false;}
static bool is_const_pointer_pointer(){return false;}
}; template<typename T>
struct type_traits<T**>: public type_traits<T>
{
static bool is_reference(){return false;}
static bool is_pointer(){return false;}
static bool is_value(){return false;}
static bool is_pointer_reference(){return false;}
static bool is_pointer_pointer(){return true;}
}; template<typename T>
struct type_traits<const T**>: public type_traits<T**>
{
static bool is_const_reference(){return false;};
static bool is_const_pointer(){return false;};
static bool is_const_value(){return false;};
static bool is_const_pointer_reference(){return false;}
static bool is_const_pointer_pointer(){return true;}
}; template<typename T>
struct type_traits<T*&>: public type_traits<T>
{
static bool is_reference(){return false;}
static bool is_pointer(){return false;}
static bool is_value(){return false;}
static bool is_pointer_reference(){return true;}
static bool is_pointer_pointer(){return false;}
}; template<typename T>
struct type_traits<const T*&>: public type_traits<T*&>
{
static bool is_const_reference(){return false;};
static bool is_const_pointer(){return false;};
static bool is_const_value(){return false;};
static bool is_const_pointer_reference(){return true;}
static bool is_const_pointer_pointer(){return false;}
}; template<typename T>
struct type_expand_traits
{
typedef T value_type;
typedef T& reference_type;
typedef T* pointer_type;
typedef const T const_value_type;
typedef const T& const_reference_type;
typedef const T* const_pointer_type;
}; template<typename T>
struct type_expand_traits<const T>
{
typedef T value_type;
typedef T& reference_type;
typedef T* pointer_type;
typedef const T const_value_type;
typedef const T& const_reference_type;
typedef const T* const_pointer_type;
}; template<typename T>
struct type_expand_traits<T*>
{
typedef T* value_type;
typedef T*& reference_type;
typedef T** pointer_type;
typedef const T* const_value_type;
typedef const T*& const_reference_type;
typedef const T** const_pointer_type;
}; template<typename T>
struct type_expand_traits<const T*>
{
typedef T* value_type;
typedef T*& reference_type;
typedef T** pointer_type;
typedef const T* const_value_type;
typedef const T*& const_reference_type;
typedef const T** const_pointer_type;
}; template<typename T>
struct type_expand_traits<T**>
{
typedef T** value_type;
typedef const T** const_value_type;
}; template<typename T>
struct type_expand_traits<const T**>
{
typedef T** value_type;
typedef const T** const_value_type;
}; template<typename T>
struct type_expand_traits<T&>
{
typedef T value_type;
typedef T& reference_type;
typedef T* pointer_type;
typedef const T const_value_type;
typedef const T& const_reference_type;
typedef const T* const_pointer_type;
}; template<typename T>
struct type_expand_traits<const T&>
{
typedef T value_type;
typedef T& reference_type;
typedef T* pointer_type;
typedef const T const_value_type;
typedef const T& const_reference_type;
typedef const T* const_pointer_type;
}; template<typename T>
struct type_expand_traits<T*&>
{
typedef T* value_type;
typedef T*& reference_type;
typedef T** pointer_type;
typedef const T* const_value_type;
typedef const T*& const_reference_type;
typedef const T** const_pointer_type;
}; template<typename T>
struct type_expand_traits<const T*&>
{
typedef T* value_type;
typedef T*& reference_type;
typedef T** pointer_type;
typedef const T* const_value_type;
typedef const T*& const_reference_type;
typedef const T** const_pointer_type;
}; NAMESPACE_TRAITS_END
#endif
//pointer_integer_traits.hpp /*
函数地址与整数之间的转换
*/
#ifndef POINTER_INTEGER_TRAITS_INCLUDE
#define POINTER_INTEGER_TRAITS_INCLUDE #include "traits_config.hpp" NAMESPACE_TRAITS_BEGIN // 指针与整数的转换
template<typename funp>
struct _pointer_integer_traits
{
protected:
funp _fun;
_pointer_integer_traits(unsigned int addr)
{
union
{
funp _fun;
unsigned int _addr;
}_u;
_u._addr = addr;
_fun = _u._fun;
}
public:
operator funp()
{
return _fun;
}
}; template<>
struct _pointer_integer_traits<unsigned int>
{
protected:
unsigned int _addr;
template<typename funp>
_pointer_integer_traits(funp fun)
{
union
{
funp _fun;
unsigned int _addr;
}_u;
_u._fun = fun;
_addr = _u._addr;
}
public:
operator unsigned int()
{
return _addr;
}
}; template<typename funp>
struct pointer_integer_traits : public _pointer_integer_traits<funp>
{
pointer_integer_traits(const unsigned int addr):_pointer_integer_traits<funp>(addr){}
}; template<typename funp>
struct pointer_integer_traits<const funp*> : public _pointer_integer_traits<funp>
{
pointer_integer_traits(const unsigned int addr):_pointer_integer_traits<funp>(addr){}
}; template<>
struct pointer_integer_traits<int> : public _pointer_integer_traits<unsigned int>
{
template<typename funp>
pointer_integer_traits(funp fun):_pointer_integer_traits<unsigned int>(fun){} template<typename funp>
pointer_integer_traits(const funp* fun):_pointer_integer_traits<unsigned int>(fun){}
}; template<>
struct pointer_integer_traits<unsigned int> : public _pointer_integer_traits<unsigned int>
{
template<typename funp>
pointer_integer_traits(funp fun):_pointer_integer_traits<unsigned int>(fun){} template<typename funp>
pointer_integer_traits(const funp* fun):_pointer_integer_traits<unsigned int>(fun){}
}; ////////////////////////////////////////// // 指针与引用的换
template<typename T>
struct pointer_reference_traits; template<typename T>
struct pointer_reference_traits<T&>
{
T* _p;
pointer_reference_traits(const T* p)
{
_p = const_cast<T*>(p);
}
operator T&(){return *_p;}
}; template<typename T>
struct pointer_reference_traits<const T&>
{
T* _p;
pointer_reference_traits(const T* p)
{
_p = const_cast<T*>(p);
}
operator const T&(){return *_p;}
}; template<typename T>
struct pointer_reference_traits<T*>
{
T* _p;
pointer_reference_traits(const T& p)
{
_p = const_cast<T*>(&p);
}
operator T*(){return _p;}
}; template<typename T>
struct pointer_reference_traits<const T*>
{
T* _p;
pointer_reference_traits(const T& p)
{
_p = const_cast<T*>(&p);
}
operator const T*(){return _p;}
}; ///////////////////////////////// NAMESPACE_TRAITS_END
#endif
// mfunction_traits.hpp #ifndef MFUNCTION_TRAITS_INCLUDE
#define MFUNCTION_TRAITS_INCLUDE #include "traits_config.hpp" NAMESPACE_TRAITS_BEGIN template<typename Function> struct mfunction_traits_helper; template<typename Classtype,typename R>
struct mfunction_traits_helper<R(Classtype::*)()>
{
enum{arity = };
typedef R result_type;
typedef Classtype class_type;
}; template<typename Classtype,typename R,typename Arg1>
struct mfunction_traits_helper<R(Classtype::*)(Arg1)>
{
typedef Arg1 arg1; enum{arity = };
typedef R result_type;
typedef Classtype class_type;
}; template<typename Classtype,typename R,typename Arg2,typename Arg1>
struct mfunction_traits_helper<R(Classtype::*)(Arg2,Arg1)>
{
typedef Arg2 arg2;
typedef Arg1 arg1; enum{arity = };
typedef R result_type;
typedef Classtype class_type;
}; template<typename Classtype,typename R,typename Arg3,typename Arg2,typename Arg1>
struct mfunction_traits_helper<R(Classtype::*)(Arg3,Arg2,Arg1)>
{
typedef Arg3 arg3;
typedef Arg2 arg2;
typedef Arg1 arg1; enum{arity = };
typedef R result_type;
typedef Classtype class_type;
}; template<typename Classtype,typename R,typename Arg4,typename Arg3,typename Arg2,typename Arg1>
struct mfunction_traits_helper<R(Classtype::*)(Arg4,Arg3,Arg2,Arg1)>
{
typedef Arg4 arg4;
typedef Arg3 arg3;
typedef Arg2 arg2;
typedef Arg1 arg1; enum{arity = };
typedef R result_type;
typedef Classtype class_type;
}; template<typename Classtype,typename R,typename Arg5,typename Arg4,typename Arg3,typename Arg2,typename Arg1>
struct mfunction_traits_helper<R(Classtype::*)(Arg5,Arg4,Arg3,Arg2,Arg1)>
{
typedef Arg5 arg5;
typedef Arg4 arg4;
typedef Arg3 arg3;
typedef Arg2 arg2;
typedef Arg1 arg1; enum{arity = };
typedef R result_type;
typedef Classtype class_type;
}; template<typename Classtype,typename R,typename Arg6,typename Arg5,typename Arg4,typename Arg3,typename Arg2,typename Arg1>
struct mfunction_traits_helper<R(Classtype::*)(Arg6,Arg5,Arg4,Arg3,Arg2,Arg1)>
{
typedef Arg6 arg6;
typedef Arg5 arg5;
typedef Arg4 arg4;
typedef Arg3 arg3;
typedef Arg2 arg2;
typedef Arg1 arg1; enum{arity = };
typedef R result_type;
typedef Classtype class_type;
}; template<typename Classtype,typename R,typename Arg7,typename Arg6,typename Arg5,typename Arg4,typename Arg3,typename Arg2,typename Arg1>
struct mfunction_traits_helper<R(Classtype::*)(Arg7,Arg6,Arg5,Arg4,Arg3,Arg2,Arg1)>
{
typedef Arg7 arg7;
typedef Arg6 arg6;
typedef Arg5 arg5;
typedef Arg4 arg4;
typedef Arg3 arg3;
typedef Arg2 arg2;
typedef Arg1 arg1; enum{arity = };
typedef R result_type;
typedef Classtype class_type;
}; template<typename Classtype,typename R,typename Arg8,typename Arg7,typename Arg6,typename Arg5,typename Arg4,typename Arg3,typename Arg2,typename Arg1>
struct mfunction_traits_helper<R(Classtype::*)(Arg8,Arg7,Arg6,Arg5,Arg4,Arg3,Arg2,Arg1)>
{
typedef Arg8 arg8;
typedef Arg7 arg7;
typedef Arg6 arg6;
typedef Arg5 arg5;
typedef Arg4 arg4;
typedef Arg3 arg3;
typedef Arg2 arg2;
typedef Arg1 arg1; enum{arity = };
typedef R result_type;
typedef Classtype class_type;
}; template<typename Classtype,typename R,
typename Arg9,
typename Arg8,typename Arg7,typename Arg6,typename Arg5,typename Arg4,typename Arg3,typename Arg2,typename Arg1>
struct mfunction_traits_helper<R(Classtype::*)(Arg9,Arg8,Arg7,Arg6,Arg5,Arg4,Arg3,Arg2,Arg1)>
{
typedef Arg9 arg9;
typedef Arg8 arg8;
typedef Arg7 arg7;
typedef Arg6 arg6;
typedef Arg5 arg5;
typedef Arg4 arg4;
typedef Arg3 arg3;
typedef Arg2 arg2;
typedef Arg1 arg1; enum{arity = };
typedef R result_type;
typedef Classtype class_type;
}; template<typename Classtype,typename R,
typename Arg10,
typename Arg9,
typename Arg8,typename Arg7,typename Arg6,typename Arg5,typename Arg4,typename Arg3,typename Arg2,typename Arg1>
struct mfunction_traits_helper<R(Classtype::*)(Arg10,Arg9,Arg8,Arg7,Arg6,Arg5,Arg4,Arg3,Arg2,Arg1)>
{
typedef Arg10 arg10;
typedef Arg9 arg9;
typedef Arg8 arg8;
typedef Arg7 arg7;
typedef Arg6 arg6;
typedef Arg5 arg5;
typedef Arg4 arg4;
typedef Arg3 arg3;
typedef Arg2 arg2;
typedef Arg1 arg1; enum{arity = };
typedef R result_type;
typedef Classtype class_type;
}; template<typename Classtype,typename R,
typename Arg11,
typename Arg10,
typename Arg9,
typename Arg8,typename Arg7,typename Arg6,typename Arg5,typename Arg4,typename Arg3,typename Arg2,typename Arg1>
struct mfunction_traits_helper<R(Classtype::*)(Arg11,Arg10,Arg9,Arg8,Arg7,Arg6,Arg5,Arg4,Arg3,Arg2,Arg1)>
{
typedef Arg11 arg11;
typedef Arg10 arg10;
typedef Arg9 arg9;
typedef Arg8 arg8;
typedef Arg7 arg7;
typedef Arg6 arg6;
typedef Arg5 arg5;
typedef Arg4 arg4;
typedef Arg3 arg3;
typedef Arg2 arg2;
typedef Arg1 arg1; enum{arity = };
typedef R result_type;
typedef Classtype class_type;
}; template<typename Classtype,typename R,
typename Arg12,
typename Arg11,
typename Arg10,
typename Arg9,
typename Arg8,typename Arg7,typename Arg6,typename Arg5,typename Arg4,typename Arg3,typename Arg2,typename Arg1>
struct mfunction_traits_helper<R(Classtype::*)(Arg12,Arg11,Arg10,Arg9,Arg8,Arg7,Arg6,Arg5,Arg4,Arg3,Arg2,Arg1)>
{
typedef Arg11 arg11;
typedef Arg10 arg10;
typedef Arg9 arg9;
typedef Arg8 arg8;
typedef Arg7 arg7;
typedef Arg6 arg6;
typedef Arg5 arg5;
typedef Arg4 arg4;
typedef Arg3 arg3;
typedef Arg2 arg2;
typedef Arg1 arg1; enum{arity = };
typedef R result_type;
typedef Classtype class_type;
}; template<typename Classtype,typename R,
typename Arg13,
typename Arg12,
typename Arg11,
typename Arg10,
typename Arg9,
typename Arg8,typename Arg7,typename Arg6,typename Arg5,typename Arg4,typename Arg3,typename Arg2,typename Arg1>
struct mfunction_traits_helper<R(Classtype::*)(Arg13,Arg12,Arg11,Arg10,Arg9,Arg8,Arg7,Arg6,Arg5,Arg4,Arg3,Arg2,Arg1)>
{
typedef Arg13 arg13;
typedef Arg11 arg11;
typedef Arg10 arg10;
typedef Arg9 arg9;
typedef Arg8 arg8;
typedef Arg7 arg7;
typedef Arg6 arg6;
typedef Arg5 arg5;
typedef Arg4 arg4;
typedef Arg3 arg3;
typedef Arg2 arg2;
typedef Arg1 arg1; enum{arity = };
typedef R result_type;
typedef Classtype class_type;
}; template<typename Classtype,typename R,
typename Arg14,
typename Arg13,
typename Arg12,
typename Arg11,
typename Arg10,
typename Arg9,
typename Arg8,typename Arg7,typename Arg6,typename Arg5,typename Arg4,typename Arg3,typename Arg2,typename Arg1>
struct mfunction_traits_helper<R(Classtype::*)(Arg14,Arg13,Arg12,Arg11,Arg10,Arg9,Arg8,Arg7,Arg6,Arg5,Arg4,Arg3,Arg2,Arg1)>
{
typedef Arg14 arg14;
typedef Arg13 arg13;
typedef Arg11 arg11;
typedef Arg10 arg10;
typedef Arg9 arg9;
typedef Arg8 arg8;
typedef Arg7 arg7;
typedef Arg6 arg6;
typedef Arg5 arg5;
typedef Arg4 arg4;
typedef Arg3 arg3;
typedef Arg2 arg2;
typedef Arg1 arg1; enum{arity = };
typedef R result_type;
typedef Classtype class_type;
}; template<typename Classtype,typename R,
typename Arg15,
typename Arg14,
typename Arg13,
typename Arg12,
typename Arg11,
typename Arg10,
typename Arg9,
typename Arg8,typename Arg7,typename Arg6,typename Arg5,typename Arg4,typename Arg3,typename Arg2,typename Arg1>
struct mfunction_traits_helper<R(Classtype::*)(Arg15,Arg14,Arg13,Arg12,Arg11,Arg10,Arg9,Arg8,Arg7,Arg6,Arg5,Arg4,Arg3,Arg2,Arg1)>
{
typedef Arg15 arg15;
typedef Arg14 arg14;
typedef Arg13 arg13;
typedef Arg11 arg11;
typedef Arg10 arg10;
typedef Arg9 arg9;
typedef Arg8 arg8;
typedef Arg7 arg7;
typedef Arg6 arg6;
typedef Arg5 arg5;
typedef Arg4 arg4;
typedef Arg3 arg3;
typedef Arg2 arg2;
typedef Arg1 arg1; enum{arity = };
typedef R result_type;
typedef Classtype class_type;
}; template<typename Classtype,typename R,
typename Arg16,
typename Arg15,
typename Arg14,
typename Arg13,
typename Arg12,
typename Arg11,
typename Arg10,
typename Arg9,
typename Arg8,typename Arg7,typename Arg6,typename Arg5,typename Arg4,typename Arg3,typename Arg2,typename Arg1>
struct mfunction_traits_helper<R(Classtype::*)(Arg16,Arg15,Arg14,Arg13,Arg12,Arg11,Arg10,Arg9,Arg8,Arg7,Arg6,Arg5,Arg4,Arg3,Arg2,Arg1)>
{
typedef Arg16 arg16;
typedef Arg15 arg15;
typedef Arg14 arg14;
typedef Arg13 arg13;
typedef Arg11 arg11;
typedef Arg10 arg10;
typedef Arg9 arg9;
typedef Arg8 arg8;
typedef Arg7 arg7;
typedef Arg6 arg6;
typedef Arg5 arg5;
typedef Arg4 arg4;
typedef Arg3 arg3;
typedef Arg2 arg2;
typedef Arg1 arg1; enum{arity = };
typedef R result_type;
typedef Classtype class_type;
}; template<typename Classtype,typename R,
typename Arg17,
typename Arg16,
typename Arg15,
typename Arg14,
typename Arg13,
typename Arg12,
typename Arg11,
typename Arg10,
typename Arg9,
typename Arg8,typename Arg7,typename Arg6,typename Arg5,typename Arg4,typename Arg3,typename Arg2,typename Arg1>
struct mfunction_traits_helper<R(Classtype::*)(Arg17,Arg16,Arg15,Arg14,Arg13,Arg12,Arg11,Arg10,Arg9,Arg8,Arg7,Arg6,Arg5,Arg4,Arg3,Arg2,Arg1)>
{
typedef Arg17 arg17;
typedef Arg16 arg16;
typedef Arg15 arg15;
typedef Arg14 arg14;
typedef Arg13 arg13;
typedef Arg11 arg11;
typedef Arg10 arg10;
typedef Arg9 arg9;
typedef Arg8 arg8;
typedef Arg7 arg7;
typedef Arg6 arg6;
typedef Arg5 arg5;
typedef Arg4 arg4;
typedef Arg3 arg3;
typedef Arg2 arg2;
typedef Arg1 arg1; enum{arity = };
typedef R result_type;
typedef Classtype class_type;
}; template<typename Classtype,typename R,
typename Arg18,
typename Arg17,
typename Arg16,
typename Arg15,
typename Arg14,
typename Arg13,
typename Arg12,
typename Arg11,
typename Arg10,
typename Arg9,
typename Arg8,typename Arg7,typename Arg6,typename Arg5,typename Arg4,typename Arg3,typename Arg2,typename Arg1>
struct mfunction_traits_helper<R(Classtype::*)(Arg18,Arg17,Arg16,Arg15,Arg14,Arg13,Arg12,Arg11,Arg10,Arg9,Arg8,Arg7,Arg6,Arg5,Arg4,Arg3,Arg2,Arg1)>
{
typedef Arg18 arg18;
typedef Arg17 arg17;
typedef Arg16 arg16;
typedef Arg15 arg15;
typedef Arg14 arg14;
typedef Arg13 arg13;
typedef Arg11 arg11;
typedef Arg10 arg10;
typedef Arg9 arg9;
typedef Arg8 arg8;
typedef Arg7 arg7;
typedef Arg6 arg6;
typedef Arg5 arg5;
typedef Arg4 arg4;
typedef Arg3 arg3;
typedef Arg2 arg2;
typedef Arg1 arg1; enum{arity = };
typedef R result_type;
typedef Classtype class_type;
}; template<typename Classtype,typename R,
typename Arg19,
typename Arg18,
typename Arg17,
typename Arg16,
typename Arg15,
typename Arg14,
typename Arg13,
typename Arg12,
typename Arg11,
typename Arg10,
typename Arg9,
typename Arg8,typename Arg7,typename Arg6,typename Arg5,typename Arg4,typename Arg3,typename Arg2,typename Arg1>
struct mfunction_traits_helper<R(Classtype::*)(Arg19,Arg18,Arg17,Arg16,Arg15,Arg14,Arg13,Arg12,Arg11,Arg10,Arg9,Arg8,Arg7,Arg6,Arg5,Arg4,Arg3,Arg2,Arg1)>
{
typedef Arg19 arg19;
typedef Arg18 arg18;
typedef Arg17 arg17;
typedef Arg16 arg16;
typedef Arg15 arg15;
typedef Arg14 arg14;
typedef Arg13 arg13;
typedef Arg11 arg11;
typedef Arg10 arg10;
typedef Arg9 arg9;
typedef Arg8 arg8;
typedef Arg7 arg7;
typedef Arg6 arg6;
typedef Arg5 arg5;
typedef Arg4 arg4;
typedef Arg3 arg3;
typedef Arg2 arg2;
typedef Arg1 arg1; enum{arity = };
typedef R result_type;
typedef Classtype class_type;
}; template<typename Classtype,typename R,
typename Arg20,
typename Arg19,
typename Arg18,
typename Arg17,
typename Arg16,
typename Arg15,
typename Arg14,
typename Arg13,
typename Arg12,
typename Arg11,
typename Arg10,
typename Arg9,
typename Arg8,typename Arg7,typename Arg6,typename Arg5,typename Arg4,typename Arg3,typename Arg2,typename Arg1>
struct mfunction_traits_helper<R(Classtype::*)(Arg20,Arg19,Arg18,Arg17,Arg16,Arg15,Arg14,Arg13,Arg12,Arg11,Arg10,Arg9,Arg8,Arg7,Arg6,Arg5,Arg4,Arg3,Arg2,Arg1)>
{
typedef Arg20 arg20;
typedef Arg19 arg19;
typedef Arg18 arg18;
typedef Arg17 arg17;
typedef Arg16 arg16;
typedef Arg15 arg15;
typedef Arg14 arg14;
typedef Arg13 arg13;
typedef Arg11 arg11;
typedef Arg10 arg10;
typedef Arg9 arg9;
typedef Arg8 arg8;
typedef Arg7 arg7;
typedef Arg6 arg6;
typedef Arg5 arg5;
typedef Arg4 arg4;
typedef Arg3 arg3;
typedef Arg2 arg2;
typedef Arg1 arg1; enum{arity = };
typedef R result_type;
typedef Classtype class_type;
}; template<typename _MFunctionP_Type>
struct mfunction_traits : public mfunction_traits_helper<_MFunctionP_Type>
{
typedef _MFunctionP_Type MFunctionP_Type;
}; NAMESPACE_TRAITS_END
#endif
//mem_to_fun_converter.hpp #ifndef MEM_TO_FUN_CONVERTER_INCLUDE
#define MEM_TO_FUN_CONVERTER_INCLUDE /*@brief:
换成员函数指针类型转为普通函数类型*/ #include "traits_config.hpp"
#include "mfunction_traits.hpp" NAMESPACE_TRAITS_BEGIN template<int Arity, typename funtype>
struct mem_to_fun_converter_helper; template<typename funtype>
struct mem_to_fun_converter_helper<,funtype>
{
typedef mfunction_traits<funtype> _traits; typedef typename _traits::result_type(*FunctionP_Type)();
}; template<typename funtype>
struct mem_to_fun_converter_helper<,funtype>
{
typedef mfunction_traits<funtype> _traits; typedef typename _traits::result_type(*FunctionP_Type)(typename _traits::arg1);
}; template<typename funtype>
struct mem_to_fun_converter_helper<,funtype>
{
typedef mfunction_traits<funtype> _traits; typedef typename _traits::result_type(*FunctionP_Type)(typename _traits::arg2,typename _traits::arg1);
}; template<typename funtype>
struct mem_to_fun_converter_helper<,funtype>
{
typedef mfunction_traits<funtype> _traits; typedef typename _traits::result_type(*FunctionP_Type)(typename _traits::arg3,typename _traits::arg2,typename _traits::arg1);
}; template<typename funtype>
struct mem_to_fun_converter_helper<,funtype>
{
typedef mfunction_traits<funtype> _traits; typedef
typename _traits::result_type(*FunctionP_Type)
(
typename _traits::arg4,
typename _traits::arg3,
typename _traits::arg2,
typename _traits::arg1);
}; template<typename funtype>
struct mem_to_fun_converter_helper<,funtype>
{
typedef mfunction_traits<funtype> _traits; typedef
typename _traits::result_type(*FunctionP_Type)
(
typename _traits::arg5,
typename _traits::arg4,
typename _traits::arg3,
typename _traits::arg2,
typename _traits::arg1);
}; template<typename funtype>
struct mem_to_fun_converter_helper<,funtype>
{
typedef mfunction_traits<funtype> _traits; typedef
typename _traits::result_type(*FunctionP_Type)
(
typename _traits::arg6,
typename _traits::arg5,
typename _traits::arg4,
typename _traits::arg3,
typename _traits::arg2,
typename _traits::arg1);
}; template<typename funtype>
struct mem_to_fun_converter_helper<,funtype>
{
typedef mfunction_traits<funtype> _traits; typedef
typename _traits::result_type(*FunctionP_Type)
(
typename _traits::arg7,
typename _traits::arg6,
typename _traits::arg5,
typename _traits::arg4,
typename _traits::arg3,
typename _traits::arg2,
typename _traits::arg1);
}; template<typename funtype>
struct mem_to_fun_converter_helper<,funtype>
{
typedef mfunction_traits<funtype> _traits; typedef
typename _traits::result_type(*FunctionP_Type)
(
typename _traits::arg8,
typename _traits::arg7,
typename _traits::arg6,
typename _traits::arg5,
typename _traits::arg4,
typename _traits::arg3,
typename _traits::arg2,
typename _traits::arg1);
}; template<typename funtype>
struct mem_to_fun_converter_helper<,funtype>
{
typedef mfunction_traits<funtype> _traits; typedef
typename _traits::result_type(*FunctionP_Type)
(
typename _traits::arg9,
typename _traits::arg8,
typename _traits::arg7,
typename _traits::arg6,
typename _traits::arg5,
typename _traits::arg4,
typename _traits::arg3,
typename _traits::arg2,
typename _traits::arg1);
}; template<typename funtype>
struct mem_to_fun_converter_helper<,funtype>
{
typedef mfunction_traits<funtype> _traits; typedef
typename _traits::result_type(*FunctionP_Type)
(
typename _traits::arg10,
typename _traits::arg9,
typename _traits::arg8,
typename _traits::arg7,
typename _traits::arg6,
typename _traits::arg5,
typename _traits::arg4,
typename _traits::arg3,
typename _traits::arg2,
typename _traits::arg1);
}; template<typename funtype>
struct mem_to_fun_converter_helper<,funtype>
{
typedef mfunction_traits<funtype> _traits; typedef
typename _traits::result_type(*FunctionP_Type)
(
typename _traits::arg11,
typename _traits::arg10,
typename _traits::arg9,
typename _traits::arg8,
typename _traits::arg7,
typename _traits::arg6,
typename _traits::arg5,
typename _traits::arg4,
typename _traits::arg3,
typename _traits::arg2,
typename _traits::arg1);
}; template<typename funtype>
struct mem_to_fun_converter_helper<,funtype>
{
typedef mfunction_traits<funtype> _traits; typedef
typename _traits::result_type(*FunctionP_Type)
(
typename _traits::arg12,
typename _traits::arg11,
typename _traits::arg10,
typename _traits::arg9,
typename _traits::arg8,
typename _traits::arg7,
typename _traits::arg6,
typename _traits::arg5,
typename _traits::arg4,
typename _traits::arg3,
typename _traits::arg2,
typename _traits::arg1);
}; template<typename funtype>
struct mem_to_fun_converter_helper<,funtype>
{
typedef mfunction_traits<funtype> _traits; typedef
typename _traits::result_type(*FunctionP_Type)
(
typename _traits::arg13,
typename _traits::arg12,
typename _traits::arg11,
typename _traits::arg10,
typename _traits::arg9,
typename _traits::arg8,
typename _traits::arg7,
typename _traits::arg6,
typename _traits::arg5,
typename _traits::arg4,
typename _traits::arg3,
typename _traits::arg2,
typename _traits::arg1);
}; template<typename funtype>
struct mem_to_fun_converter_helper<,funtype>
{
typedef mfunction_traits<funtype> _traits; typedef
typename _traits::result_type(*FunctionP_Type)
(
typename _traits::arg14,
typename _traits::arg13,
typename _traits::arg12,
typename _traits::arg11,
typename _traits::arg10,
typename _traits::arg9,
typename _traits::arg8,
typename _traits::arg7,
typename _traits::arg6,
typename _traits::arg5,
typename _traits::arg4,
typename _traits::arg3,
typename _traits::arg2,
typename _traits::arg1);
}; template<typename funtype>
struct mem_to_fun_converter_helper<,funtype>
{
typedef mfunction_traits<funtype> _traits; typedef
typename _traits::result_type(*FunctionP_Type)
(
typename _traits::arg15,
typename _traits::arg14,
typename _traits::arg13,
typename _traits::arg12,
typename _traits::arg11,
typename _traits::arg10,
typename _traits::arg9,
typename _traits::arg8,
typename _traits::arg7,
typename _traits::arg6,
typename _traits::arg5,
typename _traits::arg4,
typename _traits::arg3,
typename _traits::arg2,
typename _traits::arg1);
}; template<typename funtype>
struct mem_to_fun_converter_helper<,funtype>
{
typedef mfunction_traits<funtype> _traits; typedef
typename _traits::result_type(*FunctionP_Type)
(
typename _traits::arg16,
typename _traits::arg15,
typename _traits::arg14,
typename _traits::arg13,
typename _traits::arg12,
typename _traits::arg11,
typename _traits::arg10,
typename _traits::arg9,
typename _traits::arg8,
typename _traits::arg7,
typename _traits::arg6,
typename _traits::arg5,
typename _traits::arg4,
typename _traits::arg3,
typename _traits::arg2,
typename _traits::arg1);
}; template<typename funtype>
struct mem_to_fun_converter_helper<,funtype>
{
typedef mfunction_traits<funtype> _traits; typedef
typename _traits::result_type(*FunctionP_Type)
(
typename _traits::arg17,
typename _traits::arg16,
typename _traits::arg15,
typename _traits::arg14,
typename _traits::arg13,
typename _traits::arg12,
typename _traits::arg11,
typename _traits::arg10,
typename _traits::arg9,
typename _traits::arg8,
typename _traits::arg7,
typename _traits::arg6,
typename _traits::arg5,
typename _traits::arg4,
typename _traits::arg3,
typename _traits::arg2,
typename _traits::arg1);
}; template<typename funtype>
struct mem_to_fun_converter_helper<,funtype>
{
typedef mfunction_traits<funtype> _traits; typedef
typename _traits::result_type(*FunctionP_Type)
(
typename _traits::arg18,
typename _traits::arg17,
typename _traits::arg16,
typename _traits::arg15,
typename _traits::arg14,
typename _traits::arg13,
typename _traits::arg12,
typename _traits::arg11,
typename _traits::arg10,
typename _traits::arg9,
typename _traits::arg8,
typename _traits::arg7,
typename _traits::arg6,
typename _traits::arg5,
typename _traits::arg4,
typename _traits::arg3,
typename _traits::arg2,
typename _traits::arg1);
}; template<typename funtype>
struct mem_to_fun_converter_helper<,funtype>
{
typedef mfunction_traits<funtype> _traits; typedef
typename _traits::result_type(*FunctionP_Type)
(
typename _traits::arg19,
typename _traits::arg18,
typename _traits::arg17,
typename _traits::arg16,
typename _traits::arg15,
typename _traits::arg14,
typename _traits::arg13,
typename _traits::arg12,
typename _traits::arg11,
typename _traits::arg10,
typename _traits::arg9,
typename _traits::arg8,
typename _traits::arg7,
typename _traits::arg6,
typename _traits::arg5,
typename _traits::arg4,
typename _traits::arg3,
typename _traits::arg2,
typename _traits::arg1);
}; template<typename funtype>
struct mem_to_fun_converter_helper<,funtype>
{
typedef mfunction_traits<funtype> _traits; typedef
typename _traits::result_type(*FunctionP_Type)
(
typename _traits::arg20,
typename _traits::arg19,
typename _traits::arg18,
typename _traits::arg17,
typename _traits::arg16,
typename _traits::arg15,
typename _traits::arg14,
typename _traits::arg13,
typename _traits::arg12,
typename _traits::arg11,
typename _traits::arg10,
typename _traits::arg9,
typename _traits::arg8,
typename _traits::arg7,
typename _traits::arg6,
typename _traits::arg5,
typename _traits::arg4,
typename _traits::arg3,
typename _traits::arg2,
typename _traits::arg1);
}; template<typename Signature>
struct mem_to_fun_converter
{
typedef
typename mem_to_fun_converter_helper<mfunction_traits<Signature>::arity,Signature>::FunctionP_Type
FunctionP_Type;
}; NAMESPACE_TRAITS_END
#endif
// function_traits.hpp #ifndef FUNCTION_TRAITS_INCLUDE
#define FUNCTION_TRAITS_INCLUDE #include "traits_config.hpp" NAMESPACE_TRAITS_BEGIN template<typename Function>
struct function_pointer_traits
{
typedef Function* FunctionP_Type;
typedef Function Function_Type;
}; template<typename Function>
struct function_pointer_traits<Function*>
{
typedef Function* FunctionP_Type;
typedef Function Function_Type;
}; template<typename Function> struct function_traits_helper; template<typename R>
struct function_traits_helper<R(*)()>
{
enum{arity = };
typedef R result_type;
}; template<typename R,typename Arg1>
struct function_traits_helper<R(*)(Arg1)>
{
typedef Arg1 arg1; enum{arity = };
typedef R result_type;
}; template<typename R,typename Arg2,typename Arg1>
struct function_traits_helper<R(*)(Arg2,Arg1)>
{
typedef Arg2 arg2;
typedef Arg1 arg1; enum{arity = };
typedef R result_type;
}; template<typename R,typename Arg3,typename Arg2,typename Arg1>
struct function_traits_helper<R(*)(Arg3,Arg2,Arg1)>
{
typedef Arg3 arg3;
typedef Arg2 arg2;
typedef Arg1 arg1; enum{arity = };
typedef R result_type;
}; template<typename R,typename Arg4,typename Arg3,typename Arg2,typename Arg1>
struct function_traits_helper<R(*)(Arg4,Arg3,Arg2,Arg1)>
{
typedef Arg4 arg4;
typedef Arg3 arg3;
typedef Arg2 arg2;
typedef Arg1 arg1; enum{arity = };
typedef R result_type;
}; template<typename R,typename Arg5,typename Arg4,typename Arg3,typename Arg2,typename Arg1>
struct function_traits_helper<R(*)(Arg5,Arg4,Arg3,Arg2,Arg1)>
{
typedef Arg5 arg5;
typedef Arg4 arg4;
typedef Arg3 arg3;
typedef Arg2 arg2;
typedef Arg1 arg1; enum{arity = };
typedef R result_type;
}; template<typename R,typename Arg6,typename Arg5,typename Arg4,typename Arg3,typename Arg2,typename Arg1>
struct function_traits_helper<R(*)(Arg6,Arg5,Arg4,Arg3,Arg2,Arg1)>
{
typedef Arg6 arg6;
typedef Arg5 arg5;
typedef Arg4 arg4;
typedef Arg3 arg3;
typedef Arg2 arg2;
typedef Arg1 arg1; enum{arity = };
typedef R result_type;
}; template<typename R,typename Arg7,typename Arg6,typename Arg5,typename Arg4,typename Arg3,typename Arg2,typename Arg1>
struct function_traits_helper<R(*)(Arg7,Arg6,Arg5,Arg4,Arg3,Arg2,Arg1)>
{
typedef Arg7 arg7;
typedef Arg6 arg6;
typedef Arg5 arg5;
typedef Arg4 arg4;
typedef Arg3 arg3;
typedef Arg2 arg2;
typedef Arg1 arg1; enum{arity = };
typedef R result_type;
}; template<typename R,typename Arg8,typename Arg7,typename Arg6,typename Arg5,typename Arg4,typename Arg3,typename Arg2,typename Arg1>
struct function_traits_helper<R(*)(Arg8,Arg7,Arg6,Arg5,Arg4,Arg3,Arg2,Arg1)>
{
typedef Arg8 arg8;
typedef Arg7 arg7;
typedef Arg6 arg6;
typedef Arg5 arg5;
typedef Arg4 arg4;
typedef Arg3 arg3;
typedef Arg2 arg2;
typedef Arg1 arg1; enum{arity = };
typedef R result_type;
}; template<typename R,
typename Arg9,
typename Arg8,typename Arg7,typename Arg6,typename Arg5,typename Arg4,typename Arg3,typename Arg2,typename Arg1>
struct function_traits_helper<R(*)(Arg9,Arg8,Arg7,Arg6,Arg5,Arg4,Arg3,Arg2,Arg1)>
{
typedef Arg9 arg9;
typedef Arg8 arg8;
typedef Arg7 arg7;
typedef Arg6 arg6;
typedef Arg5 arg5;
typedef Arg4 arg4;
typedef Arg3 arg3;
typedef Arg2 arg2;
typedef Arg1 arg1; enum{arity = };
typedef R result_type;
}; template<typename R,
typename Arg10,
typename Arg9,
typename Arg8,typename Arg7,typename Arg6,typename Arg5,typename Arg4,typename Arg3,typename Arg2,typename Arg1>
struct function_traits_helper<R(*)(Arg10,Arg9,Arg8,Arg7,Arg6,Arg5,Arg4,Arg3,Arg2,Arg1)>
{
typedef Arg10 arg10;
typedef Arg9 arg9;
typedef Arg8 arg8;
typedef Arg7 arg7;
typedef Arg6 arg6;
typedef Arg5 arg5;
typedef Arg4 arg4;
typedef Arg3 arg3;
typedef Arg2 arg2;
typedef Arg1 arg1; enum{arity = };
typedef R result_type;
}; template<typename R,
typename Arg11,
typename Arg10,
typename Arg9,
typename Arg8,typename Arg7,typename Arg6,typename Arg5,typename Arg4,typename Arg3,typename Arg2,typename Arg1>
struct function_traits_helper<R(*)(Arg11,Arg10,Arg9,Arg8,Arg7,Arg6,Arg5,Arg4,Arg3,Arg2,Arg1)>
{
typedef Arg11 arg11;
typedef Arg10 arg10;
typedef Arg9 arg9;
typedef Arg8 arg8;
typedef Arg7 arg7;
typedef Arg6 arg6;
typedef Arg5 arg5;
typedef Arg4 arg4;
typedef Arg3 arg3;
typedef Arg2 arg2;
typedef Arg1 arg1; enum{arity = };
typedef R result_type;
}; template<typename R,
typename Arg12,
typename Arg11,
typename Arg10,
typename Arg9,
typename Arg8,typename Arg7,typename Arg6,typename Arg5,typename Arg4,typename Arg3,typename Arg2,typename Arg1>
struct function_traits_helper<R(*)(Arg12,Arg11,Arg10,Arg9,Arg8,Arg7,Arg6,Arg5,Arg4,Arg3,Arg2,Arg1)>
{
typedef Arg11 arg11;
typedef Arg10 arg10;
typedef Arg9 arg9;
typedef Arg8 arg8;
typedef Arg7 arg7;
typedef Arg6 arg6;
typedef Arg5 arg5;
typedef Arg4 arg4;
typedef Arg3 arg3;
typedef Arg2 arg2;
typedef Arg1 arg1; enum{arity = };
typedef R result_type;
}; template<typename R,
typename Arg13,
typename Arg12,
typename Arg11,
typename Arg10,
typename Arg9,
typename Arg8,typename Arg7,typename Arg6,typename Arg5,typename Arg4,typename Arg3,typename Arg2,typename Arg1>
struct function_traits_helper<R(*)(Arg13,Arg12,Arg11,Arg10,Arg9,Arg8,Arg7,Arg6,Arg5,Arg4,Arg3,Arg2,Arg1)>
{
typedef Arg13 arg13;
typedef Arg11 arg11;
typedef Arg10 arg10;
typedef Arg9 arg9;
typedef Arg8 arg8;
typedef Arg7 arg7;
typedef Arg6 arg6;
typedef Arg5 arg5;
typedef Arg4 arg4;
typedef Arg3 arg3;
typedef Arg2 arg2;
typedef Arg1 arg1; enum{arity = };
typedef R result_type;
}; template<typename R,
typename Arg14,
typename Arg13,
typename Arg12,
typename Arg11,
typename Arg10,
typename Arg9,
typename Arg8,typename Arg7,typename Arg6,typename Arg5,typename Arg4,typename Arg3,typename Arg2,typename Arg1>
struct function_traits_helper<R(*)(Arg14,Arg13,Arg12,Arg11,Arg10,Arg9,Arg8,Arg7,Arg6,Arg5,Arg4,Arg3,Arg2,Arg1)>
{
typedef Arg14 arg14;
typedef Arg13 arg13;
typedef Arg11 arg11;
typedef Arg10 arg10;
typedef Arg9 arg9;
typedef Arg8 arg8;
typedef Arg7 arg7;
typedef Arg6 arg6;
typedef Arg5 arg5;
typedef Arg4 arg4;
typedef Arg3 arg3;
typedef Arg2 arg2;
typedef Arg1 arg1; enum{arity = };
typedef R result_type;
}; template<typename R,
typename Arg15,
typename Arg14,
typename Arg13,
typename Arg12,
typename Arg11,
typename Arg10,
typename Arg9,
typename Arg8,typename Arg7,typename Arg6,typename Arg5,typename Arg4,typename Arg3,typename Arg2,typename Arg1>
struct function_traits_helper<R(*)(Arg15,Arg14,Arg13,Arg12,Arg11,Arg10,Arg9,Arg8,Arg7,Arg6,Arg5,Arg4,Arg3,Arg2,Arg1)>
{
typedef Arg15 arg15;
typedef Arg14 arg14;
typedef Arg13 arg13;
typedef Arg11 arg11;
typedef Arg10 arg10;
typedef Arg9 arg9;
typedef Arg8 arg8;
typedef Arg7 arg7;
typedef Arg6 arg6;
typedef Arg5 arg5;
typedef Arg4 arg4;
typedef Arg3 arg3;
typedef Arg2 arg2;
typedef Arg1 arg1; enum{arity = };
typedef R result_type;
}; template<typename R,
typename Arg16,
typename Arg15,
typename Arg14,
typename Arg13,
typename Arg12,
typename Arg11,
typename Arg10,
typename Arg9,
typename Arg8,typename Arg7,typename Arg6,typename Arg5,typename Arg4,typename Arg3,typename Arg2,typename Arg1>
struct function_traits_helper<R(*)(Arg16,Arg15,Arg14,Arg13,Arg12,Arg11,Arg10,Arg9,Arg8,Arg7,Arg6,Arg5,Arg4,Arg3,Arg2,Arg1)>
{
typedef Arg16 arg16;
typedef Arg15 arg15;
typedef Arg14 arg14;
typedef Arg13 arg13;
typedef Arg11 arg11;
typedef Arg10 arg10;
typedef Arg9 arg9;
typedef Arg8 arg8;
typedef Arg7 arg7;
typedef Arg6 arg6;
typedef Arg5 arg5;
typedef Arg4 arg4;
typedef Arg3 arg3;
typedef Arg2 arg2;
typedef Arg1 arg1; enum{arity = };
typedef R result_type;
}; template<typename R,
typename Arg17,
typename Arg16,
typename Arg15,
typename Arg14,
typename Arg13,
typename Arg12,
typename Arg11,
typename Arg10,
typename Arg9,
typename Arg8,typename Arg7,typename Arg6,typename Arg5,typename Arg4,typename Arg3,typename Arg2,typename Arg1>
struct function_traits_helper<R(*)(Arg17,Arg16,Arg15,Arg14,Arg13,Arg12,Arg11,Arg10,Arg9,Arg8,Arg7,Arg6,Arg5,Arg4,Arg3,Arg2,Arg1)>
{
typedef Arg17 arg17;
typedef Arg16 arg16;
typedef Arg15 arg15;
typedef Arg14 arg14;
typedef Arg13 arg13;
typedef Arg11 arg11;
typedef Arg10 arg10;
typedef Arg9 arg9;
typedef Arg8 arg8;
typedef Arg7 arg7;
typedef Arg6 arg6;
typedef Arg5 arg5;
typedef Arg4 arg4;
typedef Arg3 arg3;
typedef Arg2 arg2;
typedef Arg1 arg1; enum{arity = };
typedef R result_type;
}; template<typename R,
typename Arg18,
typename Arg17,
typename Arg16,
typename Arg15,
typename Arg14,
typename Arg13,
typename Arg12,
typename Arg11,
typename Arg10,
typename Arg9,
typename Arg8,typename Arg7,typename Arg6,typename Arg5,typename Arg4,typename Arg3,typename Arg2,typename Arg1>
struct function_traits_helper<R(*)(Arg18,Arg17,Arg16,Arg15,Arg14,Arg13,Arg12,Arg11,Arg10,Arg9,Arg8,Arg7,Arg6,Arg5,Arg4,Arg3,Arg2,Arg1)>
{
typedef Arg18 arg18;
typedef Arg17 arg17;
typedef Arg16 arg16;
typedef Arg15 arg15;
typedef Arg14 arg14;
typedef Arg13 arg13;
typedef Arg11 arg11;
typedef Arg10 arg10;
typedef Arg9 arg9;
typedef Arg8 arg8;
typedef Arg7 arg7;
typedef Arg6 arg6;
typedef Arg5 arg5;
typedef Arg4 arg4;
typedef Arg3 arg3;
typedef Arg2 arg2;
typedef Arg1 arg1; enum{arity = };
typedef R result_type;
}; template<typename R,
typename Arg19,
typename Arg18,
typename Arg17,
typename Arg16,
typename Arg15,
typename Arg14,
typename Arg13,
typename Arg12,
typename Arg11,
typename Arg10,
typename Arg9,
typename Arg8,typename Arg7,typename Arg6,typename Arg5,typename Arg4,typename Arg3,typename Arg2,typename Arg1>
struct function_traits_helper<R(*)(Arg19,Arg18,Arg17,Arg16,Arg15,Arg14,Arg13,Arg12,Arg11,Arg10,Arg9,Arg8,Arg7,Arg6,Arg5,Arg4,Arg3,Arg2,Arg1)>
{
typedef Arg19 arg19;
typedef Arg18 arg18;
typedef Arg17 arg17;
typedef Arg16 arg16;
typedef Arg15 arg15;
typedef Arg14 arg14;
typedef Arg13 arg13;
typedef Arg11 arg11;
typedef Arg10 arg10;
typedef Arg9 arg9;
typedef Arg8 arg8;
typedef Arg7 arg7;
typedef Arg6 arg6;
typedef Arg5 arg5;
typedef Arg4 arg4;
typedef Arg3 arg3;
typedef Arg2 arg2;
typedef Arg1 arg1; enum{arity = };
typedef R result_type;
}; template<typename R,
typename Arg20,
typename Arg19,
typename Arg18,
typename Arg17,
typename Arg16,
typename Arg15,
typename Arg14,
typename Arg13,
typename Arg12,
typename Arg11,
typename Arg10,
typename Arg9,
typename Arg8,typename Arg7,typename Arg6,typename Arg5,typename Arg4,typename Arg3,typename Arg2,typename Arg1>
struct function_traits_helper<R(*)(Arg20,Arg19,Arg18,Arg17,Arg16,Arg15,Arg14,Arg13,Arg12,Arg11,Arg10,Arg9,Arg8,Arg7,Arg6,Arg5,Arg4,Arg3,Arg2,Arg1)>
{
typedef Arg20 arg20;
typedef Arg19 arg19;
typedef Arg18 arg18;
typedef Arg17 arg17;
typedef Arg16 arg16;
typedef Arg15 arg15;
typedef Arg14 arg14;
typedef Arg13 arg13;
typedef Arg11 arg11;
typedef Arg10 arg10;
typedef Arg9 arg9;
typedef Arg8 arg8;
typedef Arg7 arg7;
typedef Arg6 arg6;
typedef Arg5 arg5;
typedef Arg4 arg4;
typedef Arg3 arg3;
typedef Arg2 arg2;
typedef Arg1 arg1; enum{arity = };
typedef R result_type;
}; template<typename _Function_Type>
struct function_traits : public function_traits_helper<typename function_pointer_traits<_Function_Type>::FunctionP_Type>
{
typedef typename function_pointer_traits<_Function_Type>::Function_Type Function_Type;
typedef typename function_pointer_traits<_Function_Type>::FunctionP_Type FunctionP_Type;
}; NAMESPACE_TRAITS_END
#endif
// fun_to_mem_converter.hpp #ifndef FUN_TO_MEM_CONVERTER_INCLUDE
#define FUN_TO_MEM_CONVERTER_INCLUDE #include "traits_config.hpp"
#include "function_traits.hpp" NAMESPACE_TRAITS_BEGIN template<int Arity,typename classtype, typename funtype>
struct fun_to_mem_converter_helper; template<typename classtype,typename funtype>
struct fun_to_mem_converter_helper<,classtype,funtype>
{
typedef function_traits<funtype> _traits; typedef typename _traits::result_type(classtype::*MFunctionP_Type)();
}; template<typename classtype,typename funtype>
struct fun_to_mem_converter_helper<,classtype,funtype>
{
typedef function_traits<funtype> _traits; typedef typename _traits::result_type(classtype::*MFunctionP_Type)(typename _traits::arg1);
}; template<typename classtype,typename funtype>
struct fun_to_mem_converter_helper<,classtype,funtype>
{
typedef function_traits<funtype> _traits; typedef typename _traits::result_type(classtype::*MFunctionP_Type)(typename _traits::arg2,typename _traits::arg1);
}; template<typename classtype,typename funtype>
struct fun_to_mem_converter_helper<,classtype,funtype>
{
typedef function_traits<funtype> _traits; typedef typename _traits::result_type(classtype::*MFunctionP_Type)(typename _traits::arg3,typename _traits::arg2,typename _traits::arg1);
}; template<typename classtype,typename funtype>
struct fun_to_mem_converter_helper<,classtype,funtype>
{
typedef function_traits<funtype> _traits; typedef
typename _traits::result_type(classtype::*MFunctionP_Type)
(
typename _traits::arg4,
typename _traits::arg3,
typename _traits::arg2,
typename _traits::arg1);
}; template<typename classtype,typename funtype>
struct fun_to_mem_converter_helper<,classtype,funtype>
{
typedef function_traits<funtype> _traits; typedef
typename _traits::result_type(classtype::*MFunctionP_Type)
(
typename _traits::arg5,
typename _traits::arg4,
typename _traits::arg3,
typename _traits::arg2,
typename _traits::arg1);
}; template<typename classtype,typename funtype>
struct fun_to_mem_converter_helper<,classtype,funtype>
{
typedef function_traits<funtype> _traits; typedef
typename _traits::result_type(classtype::*MFunctionP_Type)
(
typename _traits::arg6,
typename _traits::arg5,
typename _traits::arg4,
typename _traits::arg3,
typename _traits::arg2,
typename _traits::arg1);
}; template<typename classtype,typename funtype>
struct fun_to_mem_converter_helper<,classtype,funtype>
{
typedef function_traits<funtype> _traits; typedef
typename _traits::result_type(classtype::*MFunctionP_Type)
(
typename _traits::arg7,
typename _traits::arg6,
typename _traits::arg5,
typename _traits::arg4,
typename _traits::arg3,
typename _traits::arg2,
typename _traits::arg1);
}; template<typename classtype,typename funtype>
struct fun_to_mem_converter_helper<,classtype,funtype>
{
typedef function_traits<funtype> _traits; typedef
typename _traits::result_type(classtype::*MFunctionP_Type)
(
typename _traits::arg8,
typename _traits::arg7,
typename _traits::arg6,
typename _traits::arg5,
typename _traits::arg4,
typename _traits::arg3,
typename _traits::arg2,
typename _traits::arg1);
}; template<typename classtype,typename funtype>
struct fun_to_mem_converter_helper<,classtype,funtype>
{
typedef function_traits<funtype> _traits; typedef
typename _traits::result_type(classtype::*MFunctionP_Type)
(
typename _traits::arg9,
typename _traits::arg8,
typename _traits::arg7,
typename _traits::arg6,
typename _traits::arg5,
typename _traits::arg4,
typename _traits::arg3,
typename _traits::arg2,
typename _traits::arg1);
}; template<typename classtype,typename funtype>
struct fun_to_mem_converter_helper<,classtype,funtype>
{
typedef function_traits<funtype> _traits; typedef
typename _traits::result_type(classtype::*MFunctionP_Type)
(
typename _traits::arg10,
typename _traits::arg9,
typename _traits::arg8,
typename _traits::arg7,
typename _traits::arg6,
typename _traits::arg5,
typename _traits::arg4,
typename _traits::arg3,
typename _traits::arg2,
typename _traits::arg1);
}; template<typename classtype,typename funtype>
struct fun_to_mem_converter_helper<,classtype,funtype>
{
typedef function_traits<funtype> _traits; typedef
typename _traits::result_type(classtype::*MFunctionP_Type)
(
typename _traits::arg11,
typename _traits::arg10,
typename _traits::arg9,
typename _traits::arg8,
typename _traits::arg7,
typename _traits::arg6,
typename _traits::arg5,
typename _traits::arg4,
typename _traits::arg3,
typename _traits::arg2,
typename _traits::arg1);
}; template<typename classtype,typename funtype>
struct fun_to_mem_converter_helper<,classtype,funtype>
{
typedef function_traits<funtype> _traits; typedef
typename _traits::result_type(classtype::*MFunctionP_Type)
(
typename _traits::arg12,
typename _traits::arg11,
typename _traits::arg10,
typename _traits::arg9,
typename _traits::arg8,
typename _traits::arg7,
typename _traits::arg6,
typename _traits::arg5,
typename _traits::arg4,
typename _traits::arg3,
typename _traits::arg2,
typename _traits::arg1);
}; template<typename classtype,typename funtype>
struct fun_to_mem_converter_helper<,classtype,funtype>
{
typedef function_traits<funtype> _traits; typedef
typename _traits::result_type(classtype::*MFunctionP_Type)
(
typename _traits::arg13,
typename _traits::arg12,
typename _traits::arg11,
typename _traits::arg10,
typename _traits::arg9,
typename _traits::arg8,
typename _traits::arg7,
typename _traits::arg6,
typename _traits::arg5,
typename _traits::arg4,
typename _traits::arg3,
typename _traits::arg2,
typename _traits::arg1);
}; template<typename classtype,typename funtype>
struct fun_to_mem_converter_helper<,classtype,funtype>
{
typedef function_traits<funtype> _traits; typedef
typename _traits::result_type(classtype::*MFunctionP_Type)
(
typename _traits::arg14,
typename _traits::arg13,
typename _traits::arg12,
typename _traits::arg11,
typename _traits::arg10,
typename _traits::arg9,
typename _traits::arg8,
typename _traits::arg7,
typename _traits::arg6,
typename _traits::arg5,
typename _traits::arg4,
typename _traits::arg3,
typename _traits::arg2,
typename _traits::arg1);
}; template<typename classtype,typename funtype>
struct fun_to_mem_converter_helper<,classtype,funtype>
{
typedef function_traits<funtype> _traits; typedef
typename _traits::result_type(classtype::*MFunctionP_Type)
(
typename _traits::arg15,
typename _traits::arg14,
typename _traits::arg13,
typename _traits::arg12,
typename _traits::arg11,
typename _traits::arg10,
typename _traits::arg9,
typename _traits::arg8,
typename _traits::arg7,
typename _traits::arg6,
typename _traits::arg5,
typename _traits::arg4,
typename _traits::arg3,
typename _traits::arg2,
typename _traits::arg1);
}; template<typename classtype,typename funtype>
struct fun_to_mem_converter_helper<,classtype,funtype>
{
typedef function_traits<funtype> _traits; typedef
typename _traits::result_type(classtype::*MFunctionP_Type)
(
typename _traits::arg16,
typename _traits::arg15,
typename _traits::arg14,
typename _traits::arg13,
typename _traits::arg12,
typename _traits::arg11,
typename _traits::arg10,
typename _traits::arg9,
typename _traits::arg8,
typename _traits::arg7,
typename _traits::arg6,
typename _traits::arg5,
typename _traits::arg4,
typename _traits::arg3,
typename _traits::arg2,
typename _traits::arg1);
}; template<typename classtype,typename funtype>
struct fun_to_mem_converter_helper<,classtype,funtype>
{
typedef function_traits<funtype> _traits; typedef
typename _traits::result_type(classtype::*MFunctionP_Type)
(
typename _traits::arg17,
typename _traits::arg16,
typename _traits::arg15,
typename _traits::arg14,
typename _traits::arg13,
typename _traits::arg12,
typename _traits::arg11,
typename _traits::arg10,
typename _traits::arg9,
typename _traits::arg8,
typename _traits::arg7,
typename _traits::arg6,
typename _traits::arg5,
typename _traits::arg4,
typename _traits::arg3,
typename _traits::arg2,
typename _traits::arg1);
}; template<typename classtype,typename funtype>
struct fun_to_mem_converter_helper<,classtype,funtype>
{
typedef function_traits<funtype> _traits; typedef
typename _traits::result_type(classtype::*MFunctionP_Type)
(
typename _traits::arg18,
typename _traits::arg17,
typename _traits::arg16,
typename _traits::arg15,
typename _traits::arg14,
typename _traits::arg13,
typename _traits::arg12,
typename _traits::arg11,
typename _traits::arg10,
typename _traits::arg9,
typename _traits::arg8,
typename _traits::arg7,
typename _traits::arg6,
typename _traits::arg5,
typename _traits::arg4,
typename _traits::arg3,
typename _traits::arg2,
typename _traits::arg1);
}; template<typename classtype,typename funtype>
struct fun_to_mem_converter_helper<,classtype,funtype>
{
typedef function_traits<funtype> _traits; typedef
typename _traits::result_type(classtype::*MFunctionP_Type)
(
typename _traits::arg19,
typename _traits::arg18,
typename _traits::arg17,
typename _traits::arg16,
typename _traits::arg15,
typename _traits::arg14,
typename _traits::arg13,
typename _traits::arg12,
typename _traits::arg11,
typename _traits::arg10,
typename _traits::arg9,
typename _traits::arg8,
typename _traits::arg7,
typename _traits::arg6,
typename _traits::arg5,
typename _traits::arg4,
typename _traits::arg3,
typename _traits::arg2,
typename _traits::arg1);
}; template<typename classtype,typename funtype>
struct fun_to_mem_converter_helper<,classtype,funtype>
{
typedef function_traits<funtype> _traits; typedef
typename _traits::result_type(classtype::*MFunctionP_Type)
(
typename _traits::arg20,
typename _traits::arg19,
typename _traits::arg18,
typename _traits::arg17,
typename _traits::arg16,
typename _traits::arg15,
typename _traits::arg14,
typename _traits::arg13,
typename _traits::arg12,
typename _traits::arg11,
typename _traits::arg10,
typename _traits::arg9,
typename _traits::arg8,
typename _traits::arg7,
typename _traits::arg6,
typename _traits::arg5,
typename _traits::arg4,
typename _traits::arg3,
typename _traits::arg2,
typename _traits::arg1);
}; template<typename Signature, typename classtype>
struct fun_to_mem_converter
{
typedef
typename fun_to_mem_converter_helper<function_traits<Signature>::arity,classtype,typename function_traits<Signature>::FunctionP_Type>::MFunctionP_Type
MFunctionP_Type;
}; NAMESPACE_TRAITS_END
#endif
头一回发博客,来分享个有关C++类型萃取的编写技巧的更多相关文章
- C蛮的全栈之路-node篇(二) 实战一:自动发博客
目录 C蛮的全栈之路-序章 技术栈选择与全栈工程师C蛮的全栈之路-node篇(一) 环境布置C蛮的全栈之路-node篇(二) 实战一:自动发博客 ---------------- 我是分割线 ---- ...
- hexo next主题为博客添加分享功能
title: hexo next主题为博客添加分享功能 date: 2018-01-06 20:20:02 tags: [hexo博客, 博客配置] categories: hexo next主题配置 ...
- Linux 桌面玩家指南:05. 发博客必备的图片处理和视频录制神器
特别说明:要在我的随笔后写评论的小伙伴们请注意了,我的博客开启了 MathJax 数学公式支持,MathJax 使用$标记数学公式的开始和结束.如果某条评论中出现了两个$,MathJax 会将两个$之 ...
- 关于如何使用Microsoft Word发博客
关于如何使用Microsoft Word发博客 PS:以Microsoft Word 2010为例作具体操作,实际上Microsoft Word 2007也可以完成该功能,略有差异,但是只能是20 ...
- vscode发博客插件更新v0.1.0(可能会相对好用点吧)
距离上一次编写这个vscode在博客园发博客的插件已经过去好久了,那个时候vscode插件的功能也没有那么强大,期间有人提出问题来,也有人提出建议来,我一直没有抽出时间来维护,深感抱歉,直到有人加到我 ...
- Vno博客样式分享
不知不觉有一年多没有更新博客了,还是几位园友因为喜欢这套博客样式发了消息,否则我都快忘记自己还有一个博客了,哈哈. 言归正传,这套博客样式是当时闲来无事copy的iOS界喵神的博客Vno,确实很漂亮, ...
- 用Windows Live Writer 2012发博客
一.软件准备: 最新版的是Windows Live Writer 2012,但是不提供单独的安装包,它是和微软其它软件一起的(包括MSN.Window Move Maker等),软件大小为131M,官 ...
- 菜鸟博客装饰分享CSS+HTML+js
博客布局更改,各种百度,自己修改,搞成现在这样,有兴趣的朋友可以复制我下面的把自己博客覆盖了,然后在进行更改 不懂可加群问我:675678830 如果想开通打赏,用到js,需要在 下列中 博客侧边栏公 ...
- (转)第一次发博客-说说我的B/S开发框架(asp.net mvc + web api + easyui)
原文地址:http://www.cnblogs.com/xqin/archive/2013/05/29/3105291.html 前言 这些年一直在.net下做企业web系统开发,前前后后经历的不同的 ...
随机推荐
- 【转】Adnroid4.0 签名混淆打包(conversion to dalvik format failed with error 1)
原文网址:http://jojol-zhou.iteye.com/blog/1220541 自己的解决方法:关闭Eclipse,再开启Eclipse就可以. 最新Eclipse3.7+android ...
- 搜索(剪枝优化):HDU 5113 Black And White
Description In mathematics, the four color theorem, or the four color map theorem, states that, give ...
- poj3071 Football
学习位运算在比赛的技巧 http://poj.org/problem?id=3071 Football Time Limit: 1000MS Memory Limit: 65536K Total ...
- POJ1218
Problem C Time Limit : 2000/1000ms (Java/Other) Memory Limit : 20000/10000K (Java/Other) Total Su ...
- UIView hitTest的原理
[转自:http://blog.sina.com.cn/s/blog_59fb90df0101ab26.html] UIView 两个方法: - (UIView *)hitTest:(CGPoint) ...
- Python copy对象(copy与deepcopy)
Python中的对象之间赋值时是按引用传递的,如果需要拷贝对象,需要使用标准库中的copy模块. 1. copy.copy 浅拷贝 只拷贝父对象,不会拷贝对象的内部的子对象. 2. copy.deep ...
- nyoj 710 外星人的供给站【贪心区间选点】
外星人的供给站 时间限制:1000 ms | 内存限制:65535 KB 难度:3 描述 外星人指的是地球以外的智慧生命.外星人长的是不是与地球上的人一样并不重要,但起码应该符合我们目前对生命 ...
- DOM方法
DOM常用方法: 方法 描述 getElementById() 返回带有指定 ID 的元素. getElementsByTagName() 返回包含带有指定标签名称的所有元素的节点列表(集合/节点数组 ...
- JDK JRE JVM
使用java很久,但是一直不清楚JDK,JRE,JVM直接的关系,今天特地梳理一下. JDK:Java Development ToolKit(Java开发工具包),JDK是整个JAVA的核心,包括J ...
- 一个表的两个列连接另外一个表的一个列SQL语句怎么写
f619424517 | 浏览 2207 次 推荐于2016-09-09 11:38:18 最佳答案 select a.flightid,a.flightname,b.cityname,c.c ...