delegate: These go to eleven. [Curt Coder]

This commit is contained in:
Curt Coder 2014-04-04 07:50:44 +00:00
parent 478fd824a5
commit 364e86072d

View File

@ -156,19 +156,44 @@ public:
// and member function pointer of the appropriate type and number of parameters; we use
// partial template specialization to support fewer parameters by defaulting the later
// parameters to the special type _noparam
template<typename _ClassType, typename _ReturnType, typename _P1Type, typename _P2Type, typename _P3Type, typename _P4Type, typename _P5Type, typename _P6Type, typename _P7Type, typename _P8Type>
// dummy class used to indicate a non-existant parameter
class _noparam { };
template<typename _ClassType, typename _ReturnType, typename _P1Type, typename _P2Type, typename _P3Type, typename _P4Type, typename _P5Type, typename _P6Type, typename _P7Type, typename _P8Type, typename _P9Type, typename _P10Type, typename _P11Type>
struct delegate_traits
{
typedef _ReturnType (*static_func_type)(_ClassType *, _P1Type, _P2Type, _P3Type, _P4Type, _P5Type, _P6Type, _P7Type, _P8Type, _P9Type, _P10Type, _P11Type);
typedef _ReturnType (*static_ref_func_type)(_ClassType &, _P1Type, _P2Type, _P3Type, _P4Type, _P5Type, _P6Type, _P7Type, _P8Type, _P9Type, _P10Type, _P11Type);
typedef _ReturnType (_ClassType::*member_func_type)(_P1Type, _P2Type, _P3Type, _P4Type, _P5Type, _P6Type, _P7Type, _P8Type, _P9Type, _P10Type, _P11Type);
};
template<typename _ClassType, typename _ReturnType, typename _P1Type, typename _P2Type, typename _P3Type, typename _P4Type, typename _P5Type, typename _P6Type, typename _P7Type, typename _P8Type, typename _P9Type, typename _P10Type>
struct delegate_traits<_ClassType, _ReturnType, _P1Type, _P2Type, _P3Type, _P4Type, _P5Type, _P6Type, _P7Type, _P8Type, _P9Type, _P10Type, _noparam>
{
typedef _ReturnType (*static_func_type)(_ClassType *, _P1Type, _P2Type, _P3Type, _P4Type, _P5Type, _P6Type, _P7Type, _P8Type, _P9Type, _P10Type);
typedef _ReturnType (*static_ref_func_type)(_ClassType &, _P1Type, _P2Type, _P3Type, _P4Type, _P5Type, _P6Type, _P7Type, _P8Type, _P9Type, _P10Type);
typedef _ReturnType (_ClassType::*member_func_type)(_P1Type, _P2Type, _P3Type, _P4Type, _P5Type, _P6Type, _P7Type, _P8Type, _P9Type, _P10Type);
};
template<typename _ClassType, typename _ReturnType, typename _P1Type, typename _P2Type, typename _P3Type, typename _P4Type, typename _P5Type, typename _P6Type, typename _P7Type, typename _P8Type, typename _P9Type>
struct delegate_traits<_ClassType, _ReturnType, _P1Type, _P2Type, _P3Type, _P4Type, _P5Type, _P6Type, _P7Type, _P8Type, _P9Type, _noparam, _noparam>
{
typedef _ReturnType (*static_func_type)(_ClassType *, _P1Type, _P2Type, _P3Type, _P4Type, _P5Type, _P6Type, _P7Type, _P8Type, _P9Type);
typedef _ReturnType (*static_ref_func_type)(_ClassType &, _P1Type, _P2Type, _P3Type, _P4Type, _P5Type, _P6Type, _P7Type, _P8Type, _P9Type);
typedef _ReturnType (_ClassType::*member_func_type)(_P1Type, _P2Type, _P3Type, _P4Type, _P5Type, _P6Type, _P7Type, _P8Type, _P9Type);
};
template<typename _ClassType, typename _ReturnType, typename _P1Type, typename _P2Type, typename _P3Type, typename _P4Type, typename _P5Type, typename _P6Type, typename _P7Type, typename _P8Type>
struct delegate_traits<_ClassType, _ReturnType, _P1Type, _P2Type, _P3Type, _P4Type, _P5Type, _P6Type, _P7Type, _P8Type, _noparam, _noparam, _noparam>
{
typedef _ReturnType (*static_func_type)(_ClassType *, _P1Type, _P2Type, _P3Type, _P4Type, _P5Type, _P6Type, _P7Type, _P8Type);
typedef _ReturnType (*static_ref_func_type)(_ClassType &, _P1Type, _P2Type, _P3Type, _P4Type, _P5Type, _P6Type, _P7Type, _P8Type);
typedef _ReturnType (_ClassType::*member_func_type)(_P1Type, _P2Type, _P3Type, _P4Type, _P5Type, _P6Type, _P7Type, _P8Type);
};
// dummy class used to indicate a non-existant parameter
class _noparam { };
template<typename _ClassType, typename _ReturnType, typename _P1Type, typename _P2Type, typename _P3Type, typename _P4Type, typename _P5Type, typename _P6Type, typename _P7Type>
struct delegate_traits<_ClassType, _ReturnType, _P1Type, _P2Type, _P3Type, _P4Type, _P5Type, _P6Type, _P7Type, _noparam>
struct delegate_traits<_ClassType, _ReturnType, _P1Type, _P2Type, _P3Type, _P4Type, _P5Type, _P6Type, _P7Type, _noparam, _noparam, _noparam, _noparam>
{
typedef _ReturnType (*static_func_type)(_ClassType *, _P1Type, _P2Type, _P3Type, _P4Type, _P5Type, _P6Type, _P7Type);
typedef _ReturnType (*static_ref_func_type)(_ClassType &, _P1Type, _P2Type, _P3Type, _P4Type, _P5Type, _P6Type, _P7Type);
@ -176,7 +201,7 @@ struct delegate_traits<_ClassType, _ReturnType, _P1Type, _P2Type, _P3Type, _P4Ty
};
template<typename _ClassType, typename _ReturnType, typename _P1Type, typename _P2Type, typename _P3Type, typename _P4Type, typename _P5Type, typename _P6Type>
struct delegate_traits<_ClassType, _ReturnType, _P1Type, _P2Type, _P3Type, _P4Type, _P5Type, _P6Type, _noparam, _noparam>
struct delegate_traits<_ClassType, _ReturnType, _P1Type, _P2Type, _P3Type, _P4Type, _P5Type, _P6Type, _noparam, _noparam, _noparam, _noparam, _noparam>
{
typedef _ReturnType (*static_func_type)(_ClassType *, _P1Type, _P2Type, _P3Type, _P4Type, _P5Type, _P6Type);
typedef _ReturnType (*static_ref_func_type)(_ClassType &, _P1Type, _P2Type, _P3Type, _P4Type, _P5Type, _P6Type);
@ -184,7 +209,7 @@ struct delegate_traits<_ClassType, _ReturnType, _P1Type, _P2Type, _P3Type, _P4Ty
};
template<typename _ClassType, typename _ReturnType, typename _P1Type, typename _P2Type, typename _P3Type, typename _P4Type, typename _P5Type>
struct delegate_traits<_ClassType, _ReturnType, _P1Type, _P2Type, _P3Type, _P4Type, _P5Type, _noparam, _noparam, _noparam>
struct delegate_traits<_ClassType, _ReturnType, _P1Type, _P2Type, _P3Type, _P4Type, _P5Type, _noparam, _noparam, _noparam, _noparam, _noparam, _noparam>
{
typedef _ReturnType (*static_func_type)(_ClassType *, _P1Type, _P2Type, _P3Type, _P4Type, _P5Type);
typedef _ReturnType (*static_ref_func_type)(_ClassType &, _P1Type, _P2Type, _P3Type, _P4Type, _P5Type);
@ -193,7 +218,7 @@ struct delegate_traits<_ClassType, _ReturnType, _P1Type, _P2Type, _P3Type, _P4Ty
// specialization for 4 parameters
template<typename _ClassType, typename _ReturnType, typename _P1Type, typename _P2Type, typename _P3Type, typename _P4Type>
struct delegate_traits<_ClassType, _ReturnType, _P1Type, _P2Type, _P3Type, _P4Type, _noparam, _noparam, _noparam, _noparam>
struct delegate_traits<_ClassType, _ReturnType, _P1Type, _P2Type, _P3Type, _P4Type, _noparam, _noparam, _noparam, _noparam, _noparam, _noparam, _noparam>
{
typedef _ReturnType (*static_func_type)(_ClassType *, _P1Type, _P2Type, _P3Type, _P4Type);
typedef _ReturnType (*static_ref_func_type)(_ClassType &, _P1Type, _P2Type, _P3Type, _P4Type);
@ -202,7 +227,7 @@ struct delegate_traits<_ClassType, _ReturnType, _P1Type, _P2Type, _P3Type, _P4Ty
// specialization for 3 parameters
template<typename _ClassType, typename _ReturnType, typename _P1Type, typename _P2Type, typename _P3Type>
struct delegate_traits<_ClassType, _ReturnType, _P1Type, _P2Type, _P3Type, _noparam, _noparam, _noparam, _noparam, _noparam>
struct delegate_traits<_ClassType, _ReturnType, _P1Type, _P2Type, _P3Type, _noparam, _noparam, _noparam, _noparam, _noparam, _noparam, _noparam, _noparam>
{
typedef _ReturnType (*static_func_type)(_ClassType *, _P1Type, _P2Type, _P3Type);
typedef _ReturnType (*static_ref_func_type)(_ClassType &, _P1Type, _P2Type, _P3Type);
@ -211,7 +236,7 @@ struct delegate_traits<_ClassType, _ReturnType, _P1Type, _P2Type, _P3Type, _nopa
// specialization for 2 parameters
template<typename _ClassType, typename _ReturnType, typename _P1Type, typename _P2Type>
struct delegate_traits<_ClassType, _ReturnType, _P1Type, _P2Type, _noparam, _noparam, _noparam, _noparam, _noparam, _noparam>
struct delegate_traits<_ClassType, _ReturnType, _P1Type, _P2Type, _noparam, _noparam, _noparam, _noparam, _noparam, _noparam, _noparam, _noparam, _noparam>
{
typedef _ReturnType (*static_func_type)(_ClassType *, _P1Type, _P2Type);
typedef _ReturnType (*static_ref_func_type)(_ClassType &, _P1Type, _P2Type);
@ -220,7 +245,7 @@ struct delegate_traits<_ClassType, _ReturnType, _P1Type, _P2Type, _noparam, _nop
// specialization for 1 parameter
template<typename _ClassType, typename _ReturnType, typename _P1Type>
struct delegate_traits<_ClassType, _ReturnType, _P1Type, _noparam, _noparam, _noparam, _noparam, _noparam, _noparam, _noparam>
struct delegate_traits<_ClassType, _ReturnType, _P1Type, _noparam, _noparam, _noparam, _noparam, _noparam, _noparam, _noparam, _noparam, _noparam, _noparam>
{
typedef _ReturnType (*static_func_type)(_ClassType *, _P1Type);
typedef _ReturnType (*static_ref_func_type)(_ClassType &, _P1Type);
@ -229,7 +254,7 @@ struct delegate_traits<_ClassType, _ReturnType, _P1Type, _noparam, _noparam, _no
// specialization for no parameters
template<typename _ClassType, typename _ReturnType>
struct delegate_traits<_ClassType, _ReturnType, _noparam, _noparam, _noparam, _noparam, _noparam, _noparam, _noparam, _noparam>
struct delegate_traits<_ClassType, _ReturnType, _noparam, _noparam, _noparam, _noparam, _noparam, _noparam, _noparam, _noparam, _noparam, _noparam, _noparam>
{
typedef _ReturnType (*static_func_type)(_ClassType *);
typedef _ReturnType (*static_ref_func_type)(_ClassType &);
@ -375,6 +400,33 @@ private:
return (reinterpret_cast<_FunctionClass *>(_this->m_realobject)->*mfp)(p1, p2, p3, p4, p5, p6, p7, p8);
}
template<class _FunctionClass, typename _ReturnType, typename _P1Type, typename _P2Type, typename _P3Type, typename _P4Type, typename _P5Type, typename _P6Type, typename _P7Type, typename _P8Type, typename _P9Type>
static _ReturnType method_stub(delegate_generic_class *object, _P1Type p1, _P2Type p2, _P3Type p3, _P4Type p4, _P5Type p5, _P6Type p6, _P7Type p7, _P8Type p8, _P9Type p9)
{
delegate_mfp *_this = reinterpret_cast<delegate_mfp *>(object);
typedef _ReturnType (_FunctionClass::*mfptype)(_P1Type p1, _P2Type p2, _P3Type p3, _P4Type p4, _P5Type p5, _P6Type p6, _P7Type p7, _P8Type p8, _P9Type p9);
mfptype &mfp = *reinterpret_cast<mfptype *>(&_this->m_rawdata);
return (reinterpret_cast<_FunctionClass *>(_this->m_realobject)->*mfp)(p1, p2, p3, p4, p5, p6, p7, p8, p9);
}
template<class _FunctionClass, typename _ReturnType, typename _P1Type, typename _P2Type, typename _P3Type, typename _P4Type, typename _P5Type, typename _P6Type, typename _P7Type, typename _P8Type, typename _P9Type, typename _P10Type>
static _ReturnType method_stub(delegate_generic_class *object, _P1Type p1, _P2Type p2, _P3Type p3, _P4Type p4, _P5Type p5, _P6Type p6, _P7Type p7, _P8Type p8, _P9Type p9, _P10Type p10)
{
delegate_mfp *_this = reinterpret_cast<delegate_mfp *>(object);
typedef _ReturnType (_FunctionClass::*mfptype)(_P1Type p1, _P2Type p2, _P3Type p3, _P4Type p4, _P5Type p5, _P6Type p6, _P7Type p7, _P8Type p8, _P9Type p9, _P10Type p10);
mfptype &mfp = *reinterpret_cast<mfptype *>(&_this->m_rawdata);
return (reinterpret_cast<_FunctionClass *>(_this->m_realobject)->*mfp)(p1, p2, p3, p4, p5, p6, p7, p8, p9, p10);
}
template<class _FunctionClass, typename _ReturnType, typename _P1Type, typename _P2Type, typename _P3Type, typename _P4Type, typename _P5Type, typename _P6Type, typename _P7Type, typename _P8Type, typename _P9Type, typename _P10Type, typename _P11Type>
static _ReturnType method_stub(delegate_generic_class *object, _P1Type p1, _P2Type p2, _P3Type p3, _P4Type p4, _P5Type p5, _P6Type p6, _P7Type p7, _P8Type p8, _P9Type p9, _P10Type p10, _P11Type p11)
{
delegate_mfp *_this = reinterpret_cast<delegate_mfp *>(object);
typedef _ReturnType (_FunctionClass::*mfptype)(_P1Type p1, _P2Type p2, _P3Type p3, _P4Type p4, _P5Type p5, _P6Type p6, _P7Type p7, _P8Type p8, _P9Type p9, _P10Type p10, _P11Type p11);
mfptype &mfp = *reinterpret_cast<mfptype *>(&_this->m_rawdata);
return (reinterpret_cast<_FunctionClass *>(_this->m_realobject)->*mfp)(p1, p2, p3, p4, p5, p6, p7, p8, p9, p10, p11);
}
// helper to convert a function of a given type to a generic function, forcing template
// instantiation to match the source type
template <typename _SourceType>
@ -463,7 +515,7 @@ private:
// ======================> delegate_base
// general delegate class template supporting up to 5 parameters
template<typename _ReturnType, typename _P1Type = _noparam, typename _P2Type = _noparam, typename _P3Type = _noparam, typename _P4Type = _noparam, typename _P5Type = _noparam, typename _P6Type = _noparam, typename _P7Type = _noparam, typename _P8Type = _noparam>
template<typename _ReturnType, typename _P1Type = _noparam, typename _P2Type = _noparam, typename _P3Type = _noparam, typename _P4Type = _noparam, typename _P5Type = _noparam, typename _P6Type = _noparam, typename _P7Type = _noparam, typename _P8Type = _noparam, typename _P9Type = _noparam, typename _P10Type = _noparam, typename _P11Type = _noparam>
class delegate_base
{
public:
@ -471,9 +523,9 @@ public:
template<class _FunctionClass>
struct traits
{
typedef typename delegate_traits<_FunctionClass, _ReturnType, _P1Type, _P2Type, _P3Type, _P4Type, _P5Type, _P6Type, _P7Type, _P8Type>::member_func_type member_func_type;
typedef typename delegate_traits<_FunctionClass, _ReturnType, _P1Type, _P2Type, _P3Type, _P4Type, _P5Type, _P6Type, _P7Type, _P8Type>::static_func_type static_func_type;
typedef typename delegate_traits<_FunctionClass, _ReturnType, _P1Type, _P2Type, _P3Type, _P4Type, _P5Type, _P6Type, _P7Type, _P8Type>::static_ref_func_type static_ref_func_type;
typedef typename delegate_traits<_FunctionClass, _ReturnType, _P1Type, _P2Type, _P3Type, _P4Type, _P5Type, _P6Type, _P7Type, _P8Type, _P9Type, _P10Type, _P11Type>::member_func_type member_func_type;
typedef typename delegate_traits<_FunctionClass, _ReturnType, _P1Type, _P2Type, _P3Type, _P4Type, _P5Type, _P6Type, _P7Type, _P8Type, _P9Type, _P10Type, _P11Type>::static_func_type static_func_type;
typedef typename delegate_traits<_FunctionClass, _ReturnType, _P1Type, _P2Type, _P3Type, _P4Type, _P5Type, _P6Type, _P7Type, _P8Type, _P9Type, _P10Type, _P11Type>::static_ref_func_type static_ref_func_type;
};
typedef typename traits<delegate_generic_class>::static_func_type generic_static_func;
@ -578,6 +630,9 @@ public:
_ReturnType operator()(_P1Type p1, _P2Type p2, _P3Type p3, _P4Type p4, _P5Type p5, _P6Type p6) const { return (*m_function)(m_object, p1, p2, p3, p4, p5, p6); }
_ReturnType operator()(_P1Type p1, _P2Type p2, _P3Type p3, _P4Type p4, _P5Type p5, _P6Type p6, _P7Type p7) const { return (*m_function)(m_object, p1, p2, p3, p4, p5, p6, p7); }
_ReturnType operator()(_P1Type p1, _P2Type p2, _P3Type p3, _P4Type p4, _P5Type p5, _P6Type p6, _P7Type p7, _P8Type p8) const { return (*m_function)(m_object, p1, p2, p3, p4, p5, p6, p7, p8); }
_ReturnType operator()(_P1Type p1, _P2Type p2, _P3Type p3, _P4Type p4, _P5Type p5, _P6Type p6, _P7Type p7, _P8Type p8, _P9Type p9) const { return (*m_function)(m_object, p1, p2, p3, p4, p5, p6, p7, p8, p9); }
_ReturnType operator()(_P1Type p1, _P2Type p2, _P3Type p3, _P4Type p4, _P5Type p5, _P6Type p6, _P7Type p7, _P8Type p8, _P9Type p9, _P10Type p10) const { return (*m_function)(m_object, p1, p2, p3, p4, p5, p6, p7, p8, p9, p10); }
_ReturnType operator()(_P1Type p1, _P2Type p2, _P3Type p3, _P4Type p4, _P5Type p5, _P6Type p6, _P7Type p7, _P8Type p8, _P9Type p9, _P10Type p10, _P11Type p11) const { return (*m_function)(m_object, p1, p2, p3, p4, p5, p6, p7, p8, p9, p10, p11); }
// getters
bool has_object() const { return (object() != NULL); }
@ -791,4 +846,54 @@ public:
delegate &operator=(const basetype &src) { *static_cast<basetype *>(this) = src; return *this; }
};
// specialize for 9 parameters
template<typename _ReturnType, typename _P1Type, typename _P2Type, typename _P3Type, typename _P4Type, typename _P5Type, typename _P6Type, typename _P7Type, typename _P8Type, typename _P9Type>
class delegate<_ReturnType (_P1Type, _P2Type, _P3Type, _P4Type, _P5Type, _P6Type, _P7Type, _P8Type, _P9Type)> : public delegate_base<_ReturnType, _P1Type, _P2Type, _P3Type, _P4Type, _P5Type, _P6Type, _P7Type, _P8Type, _P9Type>
{
typedef delegate_base<_ReturnType, _P1Type, _P2Type, _P3Type, _P4Type, _P5Type, _P6Type, _P7Type, _P8Type, _P9Type> basetype;
public:
// create a standard set of constructors
delegate() : basetype() { }
delegate(const basetype &src) : basetype(src) { }
delegate(const basetype &src, delegate_late_bind &object) : basetype(src, object) { }
template<class _FunctionClass> delegate(typename basetype::template traits<_FunctionClass>::member_func_type funcptr, const char *name, _FunctionClass *object) : basetype(funcptr, name, object) { }
template<class _FunctionClass> delegate(typename basetype::template traits<_FunctionClass>::static_func_type funcptr, const char *name, _FunctionClass *object) : basetype(funcptr, name, object) { }
template<class _FunctionClass> delegate(typename basetype::template traits<_FunctionClass>::static_ref_func_type funcptr, const char *name, _FunctionClass *object) : basetype(funcptr, name, object) { }
delegate &operator=(const basetype &src) { *static_cast<basetype *>(this) = src; return *this; }
};
// specialize for 10 parameters
template<typename _ReturnType, typename _P1Type, typename _P2Type, typename _P3Type, typename _P4Type, typename _P5Type, typename _P6Type, typename _P7Type, typename _P8Type, typename _P9Type, typename _P10Type>
class delegate<_ReturnType (_P1Type, _P2Type, _P3Type, _P4Type, _P5Type, _P6Type, _P7Type, _P8Type, _P9Type, _P10Type)> : public delegate_base<_ReturnType, _P1Type, _P2Type, _P3Type, _P4Type, _P5Type, _P6Type, _P7Type, _P8Type, _P9Type, _P10Type>
{
typedef delegate_base<_ReturnType, _P1Type, _P2Type, _P3Type, _P4Type, _P5Type, _P6Type, _P7Type, _P8Type, _P9Type, _P10Type> basetype;
public:
// create a standard set of constructors
delegate() : basetype() { }
delegate(const basetype &src) : basetype(src) { }
delegate(const basetype &src, delegate_late_bind &object) : basetype(src, object) { }
template<class _FunctionClass> delegate(typename basetype::template traits<_FunctionClass>::member_func_type funcptr, const char *name, _FunctionClass *object) : basetype(funcptr, name, object) { }
template<class _FunctionClass> delegate(typename basetype::template traits<_FunctionClass>::static_func_type funcptr, const char *name, _FunctionClass *object) : basetype(funcptr, name, object) { }
template<class _FunctionClass> delegate(typename basetype::template traits<_FunctionClass>::static_ref_func_type funcptr, const char *name, _FunctionClass *object) : basetype(funcptr, name, object) { }
delegate &operator=(const basetype &src) { *static_cast<basetype *>(this) = src; return *this; }
};
// specialize for 11 parameters
template<typename _ReturnType, typename _P1Type, typename _P2Type, typename _P3Type, typename _P4Type, typename _P5Type, typename _P6Type, typename _P7Type, typename _P8Type, typename _P9Type, typename _P10Type, typename _P11Type>
class delegate<_ReturnType (_P1Type, _P2Type, _P3Type, _P4Type, _P5Type, _P6Type, _P7Type, _P8Type, _P9Type, _P10Type, _P11Type)> : public delegate_base<_ReturnType, _P1Type, _P2Type, _P3Type, _P4Type, _P5Type, _P6Type, _P7Type, _P8Type, _P9Type, _P10Type, _P11Type>
{
typedef delegate_base<_ReturnType, _P1Type, _P2Type, _P3Type, _P4Type, _P5Type, _P6Type, _P7Type, _P8Type, _P9Type, _P10Type, _P11Type> basetype;
public:
// create a standard set of constructors
delegate() : basetype() { }
delegate(const basetype &src) : basetype(src) { }
delegate(const basetype &src, delegate_late_bind &object) : basetype(src, object) { }
template<class _FunctionClass> delegate(typename basetype::template traits<_FunctionClass>::member_func_type funcptr, const char *name, _FunctionClass *object) : basetype(funcptr, name, object) { }
template<class _FunctionClass> delegate(typename basetype::template traits<_FunctionClass>::static_func_type funcptr, const char *name, _FunctionClass *object) : basetype(funcptr, name, object) { }
template<class _FunctionClass> delegate(typename basetype::template traits<_FunctionClass>::static_ref_func_type funcptr, const char *name, _FunctionClass *object) : basetype(funcptr, name, object) { }
delegate &operator=(const basetype &src) { *static_cast<basetype *>(this) = src; return *this; }
};
#endif /* __DELEGATE_H__ */