Commit cdbd119b by Paolo Carlini Committed by Paolo Carlini

functional: Formatting fixes.

2007-03-25  Paolo Carlini  <pcarlini@suse.de>

	* include/tr1/functional: Formatting fixes.

From-SVN: r123199
parent a5ad2017
2007-03-25 Paolo Carlini <pcarlini@suse.de>
* include/tr1/functional: Formatting fixes.
2007-03-23 Paolo Carlini <pcarlini@suse.de>
* testsuite/27_io/basic_ostream/inserters_arithmetic/wchar_t/4402.cc:
......
......@@ -63,8 +63,8 @@ _GLIBCXX_BEGIN_NAMESPACE(_GLIBCXX_TR1)
class _Has_result_type_helper : __sfinae_types
{
template<typename _Up>
struct _Wrap_type
{ };
struct _Wrap_type
{ };
template<typename _Up>
static __one __test(_Wrap_type<typename _Up::result_type>*);
......@@ -78,9 +78,8 @@ _GLIBCXX_BEGIN_NAMESPACE(_GLIBCXX_TR1)
template<typename _Tp>
struct _Has_result_type
: integral_constant<
bool,
_Has_result_type_helper<typename remove_cv<_Tp>::type>::value>
: integral_constant<bool,
_Has_result_type_helper<typename remove_cv<_Tp>::type>::value>
{ };
/**
......@@ -229,9 +228,9 @@ _GLIBCXX_BEGIN_NAMESPACE(_GLIBCXX_TR1)
*/
template<typename _Functor, typename... _ArgTypes>
class result_of<_Functor(_ArgTypes...)>
: public _Result_of_impl<
_Has_result_type<_Weak_result_type<_Functor> >::value,
_Functor(_ArgTypes...)>
: public _Result_of_impl<
_Has_result_type<_Weak_result_type<_Functor> >::value,
_Functor(_ArgTypes...)>
{
};
......@@ -337,11 +336,11 @@ _GLIBCXX_BEGIN_NAMESPACE(_GLIBCXX_TR1)
template<typename _Functor, typename... _Args>
inline
typename __gnu_cxx::__enable_if<
(!is_member_pointer<_Functor>::value
&& !is_function<_Functor>::value
&& !is_function<typename remove_pointer<_Functor>::type>::value),
typename result_of<_Functor(_Args...)>::type
>::__type
(!is_member_pointer<_Functor>::value
&& !is_function<_Functor>::value
&& !is_function<typename remove_pointer<_Functor>::type>::value),
typename result_of<_Functor(_Args...)>::type
>::__type
__invoke(_Functor& __f, _Args&... __args)
{
return __f(__args...);
......@@ -350,11 +349,11 @@ _GLIBCXX_BEGIN_NAMESPACE(_GLIBCXX_TR1)
template<typename _Functor, typename... _Args>
inline
typename __gnu_cxx::__enable_if<
(is_member_pointer<_Functor>::value
&& !is_function<_Functor>::value
&& !is_function<typename remove_pointer<_Functor>::type>::value),
typename result_of<_Functor(_Args...)>::type
>::__type
(is_member_pointer<_Functor>::value
&& !is_function<_Functor>::value
&& !is_function<typename remove_pointer<_Functor>::type>::value),
typename result_of<_Functor(_Args...)>::type
>::__type
__invoke(_Functor& __f, _Args&... __args)
{
return mem_fn(__f)(__args...);
......@@ -364,10 +363,10 @@ _GLIBCXX_BEGIN_NAMESPACE(_GLIBCXX_TR1)
template<typename _Functor, typename... _Args>
inline
typename __gnu_cxx::__enable_if<
(is_pointer<_Functor>::value
&& is_function<typename remove_pointer<_Functor>::type>::value),
typename result_of<_Functor(_Args...)>::type
>::__type
(is_pointer<_Functor>::value
&& is_function<typename remove_pointer<_Functor>::type>::value),
typename result_of<_Functor(_Args...)>::type
>::__type
__invoke(_Functor __f, _Args&... __args)
{
return __f(__args...);
......@@ -507,7 +506,7 @@ _GLIBCXX_BEGIN_NAMESPACE(_GLIBCXX_TR1)
template<typename _Tp>
class reference_wrapper
: public _Reference_wrapper_base<typename remove_cv<_Tp>::type>
: public _Reference_wrapper_base<typename remove_cv<_Tp>::type>
{
// If _Tp is a function type, we can't form result_of<_Tp(...)>,
// so turn it into a function pointer type.
......@@ -517,7 +516,9 @@ _GLIBCXX_BEGIN_NAMESPACE(_GLIBCXX_TR1)
_Tp* _M_data;
public:
typedef _Tp type;
explicit reference_wrapper(_Tp& __indata): _M_data(&__indata)
explicit
reference_wrapper(_Tp& __indata): _M_data(&__indata)
{ }
reference_wrapper(const reference_wrapper<_Tp>& __inref):
......@@ -539,11 +540,11 @@ _GLIBCXX_BEGIN_NAMESPACE(_GLIBCXX_TR1)
{ return *_M_data; }
template<typename... _Args>
typename result_of<_M_func_type(_Args...)>::type
operator()(_Args&... __args) const
{
return __invoke(get(), __args...);
}
typename result_of<_M_func_type(_Args...)>::type
operator()(_Args&... __args) const
{
return __invoke(get(), __args...);
}
};
......@@ -598,7 +599,7 @@ _GLIBCXX_BEGIN_NAMESPACE(_GLIBCXX_TR1)
*/
template<typename _Res, typename _T1>
struct _Maybe_unary_or_binary_function<_Res, _T1>
: std::unary_function<_T1, _Res> { };
: std::unary_function<_T1, _Res> { };
/**
* @if maint
......@@ -607,7 +608,7 @@ _GLIBCXX_BEGIN_NAMESPACE(_GLIBCXX_TR1)
*/
template<typename _Res, typename _T1, typename _T2>
struct _Maybe_unary_or_binary_function<_Res, _T1, _T2>
: std::binary_function<_T1, _T2, _Res> { };
: std::binary_function<_T1, _T2, _Res> { };
/**
* @if maint
......@@ -616,7 +617,7 @@ _GLIBCXX_BEGIN_NAMESPACE(_GLIBCXX_TR1)
*/
template<typename _Res, typename _Class, typename... _ArgTypes>
class _Mem_fn<_Res (_Class::*)(_ArgTypes...)>
: public _Maybe_unary_or_binary_function<_Res, _Class*, _ArgTypes...>
: public _Maybe_unary_or_binary_function<_Res, _Class*, _ArgTypes...>
{
typedef _Res (_Class::*_Functor)(_ArgTypes...);
......@@ -637,16 +638,19 @@ _GLIBCXX_BEGIN_NAMESPACE(_GLIBCXX_TR1)
explicit _Mem_fn(_Functor __pmf) : __pmf(__pmf) { }
// Handle objects
_Res operator()(_Class& __object, _ArgTypes... __args) const
_Res
operator()(_Class& __object, _ArgTypes... __args) const
{ return (__object.*__pmf)(__args...); }
// Handle pointers
_Res operator()(_Class* __object, _ArgTypes... __args) const
_Res
operator()(_Class* __object, _ArgTypes... __args) const
{ return (__object->*__pmf)(__args...); }
// Handle smart pointers, references and pointers to derived
template<typename _Tp>
_Res operator()(_Tp& __object, _ArgTypes... __args) const
_Res
operator()(_Tp& __object, _ArgTypes... __args) const
{ return _M_call(__object, &__object, __args...); }
private:
......@@ -660,8 +664,8 @@ _GLIBCXX_BEGIN_NAMESPACE(_GLIBCXX_TR1)
*/
template<typename _Res, typename _Class, typename... _ArgTypes>
class _Mem_fn<_Res (_Class::*)(_ArgTypes...) const>
: public _Maybe_unary_or_binary_function<_Res, const _Class*,
_ArgTypes...>
: public _Maybe_unary_or_binary_function<_Res, const _Class*,
_ArgTypes...>
{
typedef _Res (_Class::*_Functor)(_ArgTypes...) const;
......@@ -682,11 +686,13 @@ _GLIBCXX_BEGIN_NAMESPACE(_GLIBCXX_TR1)
explicit _Mem_fn(_Functor __pmf) : __pmf(__pmf) { }
// Handle objects
_Res operator()(const _Class& __object, _ArgTypes... __args) const
_Res
operator()(const _Class& __object, _ArgTypes... __args) const
{ return (__object.*__pmf)(__args...); }
// Handle pointers
_Res operator()(const _Class* __object, _ArgTypes... __args) const
_Res
operator()(const _Class* __object, _ArgTypes... __args) const
{ return (__object->*__pmf)(__args...); }
// Handle smart pointers, references and pointers to derived
......@@ -705,8 +711,8 @@ _GLIBCXX_BEGIN_NAMESPACE(_GLIBCXX_TR1)
*/
template<typename _Res, typename _Class, typename... _ArgTypes>
class _Mem_fn<_Res (_Class::*)(_ArgTypes...) volatile>
: public _Maybe_unary_or_binary_function<_Res, volatile _Class*,
_ArgTypes...>
: public _Maybe_unary_or_binary_function<_Res, volatile _Class*,
_ArgTypes...>
{
typedef _Res (_Class::*_Functor)(_ArgTypes...) volatile;
......@@ -727,16 +733,19 @@ _GLIBCXX_BEGIN_NAMESPACE(_GLIBCXX_TR1)
explicit _Mem_fn(_Functor __pmf) : __pmf(__pmf) { }
// Handle objects
_Res operator()(volatile _Class& __object, _ArgTypes... __args) const
_Res
operator()(volatile _Class& __object, _ArgTypes... __args) const
{ return (__object.*__pmf)(__args...); }
// Handle pointers
_Res operator()(volatile _Class* __object, _ArgTypes... __args) const
_Res
operator()(volatile _Class* __object, _ArgTypes... __args) const
{ return (__object->*__pmf)(__args...); }
// Handle smart pointers, references and pointers to derived
template<typename _Tp>
_Res operator()(_Tp& __object, _ArgTypes... __args) const
_Res
operator()(_Tp& __object, _ArgTypes... __args) const
{ return _M_call(__object, &__object, __args...); }
private:
......@@ -750,8 +759,8 @@ _GLIBCXX_BEGIN_NAMESPACE(_GLIBCXX_TR1)
*/
template<typename _Res, typename _Class, typename... _ArgTypes>
class _Mem_fn<_Res (_Class::*)(_ArgTypes...) const volatile>
: public _Maybe_unary_or_binary_function<_Res, const volatile _Class*,
_ArgTypes...>
: public _Maybe_unary_or_binary_function<_Res, const volatile _Class*,
_ArgTypes...>
{
typedef _Res (_Class::*_Functor)(_ArgTypes...) const volatile;
......@@ -792,94 +801,97 @@ _GLIBCXX_BEGIN_NAMESPACE(_GLIBCXX_TR1)
template<typename _Res, typename _Class>
class _Mem_fn<_Res _Class::*>
{
// This bit of genius is due to Peter Dimov, improved slightly by
// Douglas Gregor.
template<typename _Tp>
_Res&
_M_call(_Tp& __object, _Class *) const
{ return __object.*__pm; }
class _Mem_fn<_Res _Class::*>
{
// This bit of genius is due to Peter Dimov, improved slightly by
// Douglas Gregor.
template<typename _Tp>
_Res&
_M_call(_Tp& __object, _Class *) const
{ return __object.*__pm; }
template<typename _Tp, typename _Up>
_Res&
_M_call(_Tp& __object, _Up * const *) const
{ return (*__object).*__pm; }
template<typename _Tp, typename _Up>
_Res&
_M_call(_Tp& __object, _Up * const *) const
{ return (*__object).*__pm; }
template<typename _Tp, typename _Up>
const _Res&
_M_call(_Tp& __object, const _Up * const *) const
{ return (*__object).*__pm; }
template<typename _Tp, typename _Up>
const _Res&
_M_call(_Tp& __object, const _Up * const *) const
{ return (*__object).*__pm; }
template<typename _Tp>
const _Res&
_M_call(_Tp& __object, const _Class *) const
{ return __object.*__pm; }
template<typename _Tp>
const _Res&
_M_call(_Tp& __object, const _Class *) const
{ return __object.*__pm; }
template<typename _Tp>
const _Res&
_M_call(_Tp& __ptr, const volatile void*) const
{ return (*__ptr).*__pm; }
template<typename _Tp>
const _Res&
_M_call(_Tp& __ptr, const volatile void*) const
{ return (*__ptr).*__pm; }
template<typename _Tp> static _Tp& __get_ref();
template<typename _Tp> static _Tp& __get_ref();
template<typename _Tp>
static __sfinae_types::__one __check_const(_Tp&, _Class*);
template<typename _Tp, typename _Up>
static __sfinae_types::__one __check_const(_Tp&, _Up * const *);
template<typename _Tp, typename _Up>
static __sfinae_types::__two __check_const(_Tp&, const _Up * const *);
template<typename _Tp>
static __sfinae_types::__two __check_const(_Tp&, const _Class*);
template<typename _Tp>
static __sfinae_types::__two __check_const(_Tp&, const volatile void*);
template<typename _Tp>
static __sfinae_types::__one __check_const(_Tp&, _Class*);
template<typename _Tp, typename _Up>
static __sfinae_types::__one __check_const(_Tp&, _Up * const *);
template<typename _Tp, typename _Up>
static __sfinae_types::__two __check_const(_Tp&, const _Up * const *);
template<typename _Tp>
static __sfinae_types::__two __check_const(_Tp&, const _Class*);
template<typename _Tp>
static __sfinae_types::__two __check_const(_Tp&, const volatile void*);
public:
template<typename _Tp>
struct _Result_type
: _Mem_fn_const_or_non<
_Res,
(sizeof(__sfinae_types::__two)
== sizeof(__check_const<_Tp>(__get_ref<_Tp>(), (_Tp*)0)))>
{ };
template<typename _Tp>
struct _Result_type
: _Mem_fn_const_or_non<_Res,
(sizeof(__sfinae_types::__two)
== sizeof(__check_const<_Tp>(__get_ref<_Tp>(), (_Tp*)0)))>
{ };
template<typename _Signature>
struct result;
template<typename _Signature>
struct result;
template<typename _CVMem, typename _Tp>
struct result<_CVMem(_Tp)>
: public _Result_type<_Tp> { };
template<typename _CVMem, typename _Tp>
struct result<_CVMem(_Tp)>
: public _Result_type<_Tp> { };
template<typename _CVMem, typename _Tp>
struct result<_CVMem(_Tp&)>
: public _Result_type<_Tp> { };
template<typename _CVMem, typename _Tp>
struct result<_CVMem(_Tp&)>
: public _Result_type<_Tp> { };
explicit _Mem_fn(_Res _Class::*__pm) : __pm(__pm) { }
explicit
_Mem_fn(_Res _Class::*__pm) : __pm(__pm) { }
// Handle objects
_Res& operator()(_Class& __object) const
{ return __object.*__pm; }
// Handle objects
_Res&
operator()(_Class& __object) const
{ return __object.*__pm; }
const _Res& operator()(const _Class& __object) const
{ return __object.*__pm; }
const _Res&
operator()(const _Class& __object) const
{ return __object.*__pm; }
// Handle pointers
_Res& operator()(_Class* __object) const
{ return __object->*__pm; }
// Handle pointers
_Res&
operator()(_Class* __object) const
{ return __object->*__pm; }
const _Res&
operator()(const _Class* __object) const
{ return __object->*__pm; }
const _Res&
operator()(const _Class* __object) const
{ return __object->*__pm; }
// Handle smart pointers and derived
template<typename _Tp>
typename _Result_type<_Tp>::type
operator()(_Tp& __unknown) const
{ return _M_call(__unknown, &__unknown); }
// Handle smart pointers and derived
template<typename _Tp>
typename _Result_type<_Tp>::type
operator()(_Tp& __unknown) const
{ return _M_call(__unknown, &__unknown); }
private:
_Res _Class::*__pm;
};
private:
_Res _Class::*__pm;
};
/**
* @brief Returns a function object that forwards to the member
......@@ -985,20 +997,20 @@ _GLIBCXX_BEGIN_NAMESPACE(_GLIBCXX_TR1)
* @endif
*/
template<std::size_t _Num, typename _Tuple = _Index_tuple<> >
struct _Build_index_tuple;
struct _Build_index_tuple;
template<std::size_t _Num, int... _Indexes>
struct _Build_index_tuple<_Num, _Index_tuple<_Indexes...> >
struct _Build_index_tuple<_Num, _Index_tuple<_Indexes...> >
: _Build_index_tuple<_Num - 1,
_Index_tuple<_Indexes..., sizeof...(_Indexes)> >
{
};
{
};
template<int... _Indexes>
struct _Build_index_tuple<0, _Index_tuple<_Indexes...> >
{
typedef _Index_tuple<_Indexes...> __type;
};
struct _Build_index_tuple<0, _Index_tuple<_Indexes...> >
{
typedef _Index_tuple<_Indexes...> __type;
};
/**
* @if maint
......@@ -1017,7 +1029,7 @@ _GLIBCXX_BEGIN_NAMESPACE(_GLIBCXX_TR1)
*/
template<int __i, typename _Tuple, bool _IsSafe>
struct _Safe_tuple_element_impl
: tuple_element<__i, _Tuple> { };
: tuple_element<__i, _Tuple> { };
/**
* @if maint
......@@ -1038,8 +1050,8 @@ _GLIBCXX_BEGIN_NAMESPACE(_GLIBCXX_TR1)
*/
template<int __i, typename _Tuple>
struct _Safe_tuple_element
: _Safe_tuple_element_impl<__i, _Tuple,
(__i >= 0 && __i < tuple_size<_Tuple>::value)>
: _Safe_tuple_element_impl<__i, _Tuple,
(__i >= 0 && __i < tuple_size<_Tuple>::value)>
{
};
......@@ -1078,9 +1090,9 @@ _GLIBCXX_BEGIN_NAMESPACE(_GLIBCXX_TR1)
* but not volatile-qualified. This might be a defect in the TR.
*/
template<typename _CVRef, typename _Tuple>
result_type
operator()(_CVRef& __arg, const _Tuple&) const volatile
{ return __arg.get(); }
result_type
operator()(_CVRef& __arg, const _Tuple&) const volatile
{ return __arg.get(); }
};
/**
......@@ -1100,29 +1112,30 @@ _GLIBCXX_BEGIN_NAMESPACE(_GLIBCXX_TR1)
// involves passing along the cv-qualifiers placed on _Mu and
// unwrapping the argument bundle.
template<typename _CVMu, typename _CVArg, typename... _Args>
class result<_CVMu(_CVArg, tuple<_Args...>)>
: public result_of<_CVArg(_Args...)> { };
class result<_CVMu(_CVArg, tuple<_Args...>)>
: public result_of<_CVArg(_Args...)> { };
template<typename _CVArg, typename... _Args>
typename result_of<_CVArg(_Args...)>::type
operator()(_CVArg& __arg, const tuple<_Args...>& __tuple)
const volatile
{
// Construct an index tuple and forward to __call
typedef typename _Build_index_tuple<sizeof...(_Args)>::__type _Indexes;
return this->__call(__arg, __tuple, _Indexes());
}
typename result_of<_CVArg(_Args...)>::type
operator()(_CVArg& __arg,
const tuple<_Args...>& __tuple) const volatile
{
// Construct an index tuple and forward to __call
typedef typename _Build_index_tuple<sizeof...(_Args)>::__type
_Indexes;
return this->__call(__arg, __tuple, _Indexes());
}
private:
// Invokes the underlying function object __arg by unpacking all
// of the arguments in the tuple.
template<typename _CVArg, typename... _Args, int... _Indexes>
typename result_of<_CVArg(_Args...)>::type
__call(_CVArg& __arg, const tuple<_Args...>& __tuple,
const _Index_tuple<_Indexes...>&) const volatile
{
return __arg(_GLIBCXX_TR1::get<_Indexes>(__tuple)...);
}
typename result_of<_CVArg(_Args...)>::type
__call(_CVArg& __arg, const tuple<_Args...>& __tuple,
const _Index_tuple<_Indexes...>&) const volatile
{
return __arg(_GLIBCXX_TR1::get<_Indexes>(__tuple)...);
}
};
/**
......@@ -1139,24 +1152,26 @@ _GLIBCXX_BEGIN_NAMESPACE(_GLIBCXX_TR1)
template<typename _Signature> class result;
template<typename _CVMu, typename _CVArg, typename _Tuple>
class result<_CVMu(_CVArg, _Tuple)>
{
// Add a reference, if it hasn't already been done for us.
// This allows us to be a little bit sloppy in constructing
// the tuple that we pass to result_of<...>.
typedef typename _Safe_tuple_element<(is_placeholder<_Arg>::value - 1),
_Tuple>::type __base_type;
class result<_CVMu(_CVArg, _Tuple)>
{
// Add a reference, if it hasn't already been done for us.
// This allows us to be a little bit sloppy in constructing
// the tuple that we pass to result_of<...>.
typedef typename _Safe_tuple_element<(is_placeholder<_Arg>::value
- 1), _Tuple>::type
__base_type;
public:
typedef typename add_reference<__base_type>::type type;
};
public:
typedef typename add_reference<__base_type>::type type;
};
template<typename _Tuple>
typename result<_Mu(_Arg, _Tuple)>::type
operator()(const volatile _Arg&, const _Tuple& __tuple) const volatile
{
return ::std::_GLIBCXX_TR1::get<(is_placeholder<_Arg>::value - 1)>(__tuple);
}
typename result<_Mu(_Arg, _Tuple)>::type
operator()(const volatile _Arg&, const _Tuple& __tuple) const volatile
{
return ::std::_GLIBCXX_TR1::get<(is_placeholder<_Arg>::value
- 1)>(__tuple);
}
};
/**
......@@ -1173,15 +1188,16 @@ _GLIBCXX_BEGIN_NAMESPACE(_GLIBCXX_TR1)
template<typename _Signature> struct result;
template<typename _CVMu, typename _CVArg, typename _Tuple>
struct result<_CVMu(_CVArg, _Tuple)>
{
typedef typename add_reference<_CVArg>::type type;
};
struct result<_CVMu(_CVArg, _Tuple)>
{
typedef typename add_reference<_CVArg>::type type;
};
// Pick up the cv-qualifiers of the argument
template<typename _CVArg, typename _Tuple>
_CVArg& operator()(_CVArg& __arg, const _Tuple&) const volatile
{ return __arg; }
_CVArg&
operator()(_CVArg& __arg, const _Tuple&) const volatile
{ return __arg; }
};
/**
......@@ -1195,7 +1211,10 @@ _GLIBCXX_BEGIN_NAMESPACE(_GLIBCXX_TR1)
struct _Maybe_wrap_member_pointer
{
typedef _Tp type;
static const _Tp& __do_wrap(const _Tp& __x) { return __x; }
static const _Tp&
__do_wrap(const _Tp& __x)
{ return __x; }
};
/**
......@@ -1209,7 +1228,10 @@ _GLIBCXX_BEGIN_NAMESPACE(_GLIBCXX_TR1)
struct _Maybe_wrap_member_pointer<_Tp _Class::*>
{
typedef _Mem_fn<_Tp _Class::*> type;
static type __do_wrap(_Tp _Class::* __pm) { return type(__pm); }
static type
__do_wrap(_Tp _Class::* __pm)
{ return type(__pm); }
};
/**
......@@ -1222,7 +1244,7 @@ _GLIBCXX_BEGIN_NAMESPACE(_GLIBCXX_TR1)
template<typename _Functor, typename... _Bound_args>
class _Bind<_Functor(_Bound_args...)>
: public _Weak_result_type<_Functor>
: public _Weak_result_type<_Functor>
{
typedef _Bind __self_type;
typedef typename _Build_index_tuple<sizeof...(_Bound_args)>::__type
......@@ -1393,8 +1415,9 @@ _GLIBCXX_BEGIN_NAMESPACE(_GLIBCXX_TR1)
public:
typedef _Result result_type;
explicit _Bind_result(_Functor __f, _Bound_args... __bound_args)
: _M_f(__f), _M_bound_args(__bound_args...) { }
explicit
_Bind_result(_Functor __f, _Bound_args... __bound_args)
: _M_f(__f), _M_bound_args(__bound_args...) { }
// Call unqualified
template<typename... _Args>
......@@ -1412,7 +1435,6 @@ _GLIBCXX_BEGIN_NAMESPACE(_GLIBCXX_TR1)
return this->__call(_GLIBCXX_TR1::tie(__args...), _Bound_indexes());
}
// Call as volatile
template<typename... _Args>
result_type
......@@ -1421,7 +1443,6 @@ _GLIBCXX_BEGIN_NAMESPACE(_GLIBCXX_TR1)
return this->__call(_GLIBCXX_TR1::tie(__args...), _Bound_indexes());
}
// Call as const volatile
template<typename... _Args>
result_type
......@@ -1466,21 +1487,21 @@ _GLIBCXX_BEGIN_NAMESPACE(_GLIBCXX_TR1)
}
template<typename _Result, typename _Functor, typename... _ArgTypes>
inline
_Bind_result<_Result,
typename _Maybe_wrap_member_pointer<_Functor>::type
(_ArgTypes...)>
bind(_Functor __f, _ArgTypes... __args)
{
typedef _Maybe_wrap_member_pointer<_Functor> __maybe_type;
typedef typename __maybe_type::type __functor_type;
typedef _Bind_result<_Result, __functor_type(_ArgTypes...)>
__result_type;
return __result_type(__maybe_type::__do_wrap(__f), __args...);
}
inline
_Bind_result<_Result,
typename _Maybe_wrap_member_pointer<_Functor>::type
(_ArgTypes...)>
bind(_Functor __f, _ArgTypes... __args)
{
typedef _Maybe_wrap_member_pointer<_Functor> __maybe_type;
typedef typename __maybe_type::type __functor_type;
typedef _Bind_result<_Result, __functor_type(_ArgTypes...)>
__result_type;
return __result_type(__maybe_type::__do_wrap(__f), __args...);
}
template<typename _Result, typename _Signature>
const bool is_bind_expression<_Bind_result<_Result, _Signature> >::value;
template<typename _Result, typename _Signature>
const bool is_bind_expression<_Bind_result<_Result, _Signature> >::value;
/**
* @brief Exception class thrown when class template function's
......@@ -1523,15 +1544,20 @@ _GLIBCXX_BEGIN_NAMESPACE(_GLIBCXX_TR1)
void (_Undefined_class::*_M_member_pointer)();
};
union _Any_data {
union _Any_data
{
void* _M_access() { return &_M_pod_data[0]; }
const void* _M_access() const { return &_M_pod_data[0]; }
template<typename _Tp> _Tp& _M_access()
{ return *static_cast<_Tp*>(_M_access()); }
template<typename _Tp>
_Tp&
_M_access()
{ return *static_cast<_Tp*>(_M_access()); }
template<typename _Tp> const _Tp& _M_access() const
{ return *static_cast<const _Tp*>(_M_access()); }
template<typename _Tp>
const _Tp&
_M_access() const
{ return *static_cast<const _Tp*>(_M_access()); }
_Nocopy_types _M_unused;
char _M_pod_data[sizeof(_Nocopy_types)];
......@@ -1557,7 +1583,7 @@ _GLIBCXX_BEGIN_NAMESPACE(_GLIBCXX_TR1)
template<typename _Tp>
struct __is_location_invariant<_Simple_type_wrapper<_Tp> >
: __is_location_invariant<_Tp>
: __is_location_invariant<_Tp>
{
};
......@@ -1591,172 +1617,174 @@ _GLIBCXX_BEGIN_NAMESPACE(_GLIBCXX_TR1)
static const std::size_t _M_max_align = __alignof__(_Nocopy_types);
template<typename _Functor>
class _Base_manager
{
protected:
static const bool __stored_locally =
class _Base_manager
{
protected:
static const bool __stored_locally =
(__is_location_invariant<_Functor>::value
&& sizeof(_Functor) <= _M_max_size
&& __alignof__(_Functor) <= _M_max_align
&& (_M_max_align % __alignof__(_Functor) == 0));
typedef integral_constant<bool, __stored_locally> _Local_storage;
// Retrieve a pointer to the function object
static _Functor* _M_get_pointer(const _Any_data& __source)
{
const _Functor* __ptr =
__stored_locally? &__source._M_access<_Functor>()
/* have stored a pointer */ : __source._M_access<_Functor*>();
return const_cast<_Functor*>(__ptr);
}
// Clone a location-invariant function object that fits within
// an _Any_data structure.
static void
_M_clone(_Any_data& __dest, const _Any_data& __source, true_type)
{
new (__dest._M_access()) _Functor(__source._M_access<_Functor>());
}
// Clone a function object that is not location-invariant or
// that cannot fit into an _Any_data structure.
static void
_M_clone(_Any_data& __dest, const _Any_data& __source, false_type)
{
__dest._M_access<_Functor*>() =
new _Functor(*__source._M_access<_Functor*>());
}
// Destroying a location-invariant object may still require
// destruction.
static void
_M_destroy(_Any_data& __victim, true_type)
{
__victim._M_access<_Functor>().~_Functor();
}
// Destroying an object located on the heap.
static void
_M_destroy(_Any_data& __victim, false_type)
{
delete __victim._M_access<_Functor*>();
}
public:
static bool
_M_manager(_Any_data& __dest, const _Any_data& __source,
_Manager_operation __op)
{
switch (__op) {
case __get_type_info:
__dest._M_access<const type_info*>() = &typeid(_Functor);
break;
case __get_functor_ptr:
__dest._M_access<_Functor*>() = _M_get_pointer(__source);
break;
case __clone_functor:
_M_clone(__dest, __source, _Local_storage());
break;
case __destroy_functor:
_M_destroy(__dest, _Local_storage());
break;
}
return false;
}
static void
_M_init_functor(_Any_data& __functor, const _Functor& __f)
{
_M_init_functor(__functor, __f, _Local_storage());
}
template<typename _Signature>
static bool
_M_not_empty_function(const function<_Signature>& __f)
{
return __f;
}
template<typename _Tp>
static bool
_M_not_empty_function(const _Tp*& __fp)
{
return __fp;
}
template<typename _Class, typename _Tp>
static bool
_M_not_empty_function(_Tp _Class::* const& __mp)
{
return __mp;
}
template<typename _Tp>
static bool
_M_not_empty_function(const _Tp&)
{
return true;
}
private:
static void
_M_init_functor(_Any_data& __functor, const _Functor& __f, true_type)
{
new (__functor._M_access()) _Functor(__f);
}
static void
_M_init_functor(_Any_data& __functor, const _Functor& __f, false_type)
{
__functor._M_access<_Functor*>() = new _Functor(__f);
}
};
typedef integral_constant<bool, __stored_locally> _Local_storage;
// Retrieve a pointer to the function object
static _Functor*
_M_get_pointer(const _Any_data& __source)
{
const _Functor* __ptr =
__stored_locally? &__source._M_access<_Functor>()
/* have stored a pointer */ : __source._M_access<_Functor*>();
return const_cast<_Functor*>(__ptr);
}
// Clone a location-invariant function object that fits within
// an _Any_data structure.
static void
_M_clone(_Any_data& __dest, const _Any_data& __source, true_type)
{
new (__dest._M_access()) _Functor(__source._M_access<_Functor>());
}
// Clone a function object that is not location-invariant or
// that cannot fit into an _Any_data structure.
static void
_M_clone(_Any_data& __dest, const _Any_data& __source, false_type)
{
__dest._M_access<_Functor*>() =
new _Functor(*__source._M_access<_Functor*>());
}
// Destroying a location-invariant object may still require
// destruction.
static void
_M_destroy(_Any_data& __victim, true_type)
{
__victim._M_access<_Functor>().~_Functor();
}
// Destroying an object located on the heap.
static void
_M_destroy(_Any_data& __victim, false_type)
{
delete __victim._M_access<_Functor*>();
}
public:
static bool
_M_manager(_Any_data& __dest, const _Any_data& __source,
_Manager_operation __op)
{
switch (__op)
{
case __get_type_info:
__dest._M_access<const type_info*>() = &typeid(_Functor);
break;
case __get_functor_ptr:
__dest._M_access<_Functor*>() = _M_get_pointer(__source);
break;
case __clone_functor:
_M_clone(__dest, __source, _Local_storage());
break;
case __destroy_functor:
_M_destroy(__dest, _Local_storage());
break;
}
return false;
}
static void
_M_init_functor(_Any_data& __functor, const _Functor& __f)
{
_M_init_functor(__functor, __f, _Local_storage());
}
template<typename _Signature>
static bool
_M_not_empty_function(const function<_Signature>& __f)
{
return __f;
}
template<typename _Tp>
static bool
_M_not_empty_function(const _Tp*& __fp)
{
return __fp;
}
template<typename _Class, typename _Tp>
static bool
_M_not_empty_function(_Tp _Class::* const& __mp)
{
return __mp;
}
template<typename _Tp>
static bool
_M_not_empty_function(const _Tp&)
{
return true;
}
private:
static void
_M_init_functor(_Any_data& __functor, const _Functor& __f, true_type)
{
new (__functor._M_access()) _Functor(__f);
}
static void
_M_init_functor(_Any_data& __functor, const _Functor& __f, false_type)
{
__functor._M_access<_Functor*>() = new _Functor(__f);
}
};
template<typename _Functor>
class _Ref_manager : public _Base_manager<_Functor*>
{
typedef _Function_base::_Base_manager<_Functor*> _Base;
public:
static bool
_M_manager(_Any_data& __dest, const _Any_data& __source,
_Manager_operation __op)
class _Ref_manager : public _Base_manager<_Functor*>
{
switch (__op) {
case __get_type_info:
__dest._M_access<const type_info*>() = &typeid(_Functor);
break;
case __get_functor_ptr:
__dest._M_access<_Functor*>() = *_Base::_M_get_pointer(__source);
return is_const<_Functor>::value;
break;
default:
_Base::_M_manager(__dest, __source, __op);
}
return false;
}
typedef _Function_base::_Base_manager<_Functor*> _Base;
static void
_M_init_functor(_Any_data& __functor, reference_wrapper<_Functor> __f)
{
// TBD: Use address_of function instead
_Base::_M_init_functor(__functor, &__f.get());
}
};
public:
static bool
_M_manager(_Any_data& __dest, const _Any_data& __source,
_Manager_operation __op)
{
switch (__op)
{
case __get_type_info:
__dest._M_access<const type_info*>() = &typeid(_Functor);
break;
case __get_functor_ptr:
__dest._M_access<_Functor*>() = *_Base::_M_get_pointer(__source);
return is_const<_Functor>::value;
break;
default:
_Base::_M_manager(__dest, __source, __op);
}
return false;
}
static void
_M_init_functor(_Any_data& __functor, reference_wrapper<_Functor> __f)
{
// TBD: Use address_of function instead
_Base::_M_init_functor(__functor, &__f.get());
}
};
_Function_base() : _M_manager(0) { }
~_Function_base()
{
if (_M_manager)
{
_M_manager(_M_functor, _M_functor, __destroy_functor);
}
_M_manager(_M_functor, _M_functor, __destroy_functor);
}
......@@ -1774,12 +1802,13 @@ _GLIBCXX_BEGIN_NAMESPACE(_GLIBCXX_TR1)
template<typename _Res, typename _Functor, typename... _ArgTypes>
class _Function_handler<_Res(_ArgTypes...), _Functor>
: public _Function_base::_Base_manager<_Functor>
: public _Function_base::_Base_manager<_Functor>
{
typedef _Function_base::_Base_manager<_Functor> _Base;
public:
static _Res _M_invoke(const _Any_data& __functor, _ArgTypes... __args)
static _Res
_M_invoke(const _Any_data& __functor, _ArgTypes... __args)
{
return (*_Base::_M_get_pointer(__functor))(__args...);
}
......@@ -1787,12 +1816,13 @@ _GLIBCXX_BEGIN_NAMESPACE(_GLIBCXX_TR1)
template<typename _Functor, typename... _ArgTypes>
class _Function_handler<void(_ArgTypes...), _Functor>
: public _Function_base::_Base_manager<_Functor>
: public _Function_base::_Base_manager<_Functor>
{
typedef _Function_base::_Base_manager<_Functor> _Base;
public:
static void _M_invoke(const _Any_data& __functor, _ArgTypes... __args)
static void
_M_invoke(const _Any_data& __functor, _ArgTypes... __args)
{
(*_Base::_M_get_pointer(__functor))(__args...);
}
......@@ -1800,12 +1830,13 @@ _GLIBCXX_BEGIN_NAMESPACE(_GLIBCXX_TR1)
template<typename _Res, typename _Functor, typename... _ArgTypes>
class _Function_handler<_Res(_ArgTypes...), reference_wrapper<_Functor> >
: public _Function_base::_Ref_manager<_Functor>
: public _Function_base::_Ref_manager<_Functor>
{
typedef _Function_base::_Ref_manager<_Functor> _Base;
public:
static _Res _M_invoke(const _Any_data& __functor, _ArgTypes... __args)
static _Res
_M_invoke(const _Any_data& __functor, _ArgTypes... __args)
{
return
__callable_functor(**_Base::_M_get_pointer(__functor))(__args...);
......@@ -1814,12 +1845,13 @@ _GLIBCXX_BEGIN_NAMESPACE(_GLIBCXX_TR1)
template<typename _Functor, typename... _ArgTypes>
class _Function_handler<void(_ArgTypes...), reference_wrapper<_Functor> >
: public _Function_base::_Ref_manager<_Functor>
: public _Function_base::_Ref_manager<_Functor>
{
typedef _Function_base::_Ref_manager<_Functor> _Base;
public:
static void _M_invoke(const _Any_data& __functor, _ArgTypes... __args)
static void
_M_invoke(const _Any_data& __functor, _ArgTypes... __args)
{
__callable_functor(**_Base::_M_get_pointer(__functor))(__args...);
}
......@@ -1828,25 +1860,27 @@ _GLIBCXX_BEGIN_NAMESPACE(_GLIBCXX_TR1)
template<typename _Class, typename _Member, typename _Res,
typename... _ArgTypes>
class _Function_handler<_Res(_ArgTypes...), _Member _Class::*>
: public _Function_handler<void(_ArgTypes...), _Member _Class::*>
: public _Function_handler<void(_ArgTypes...), _Member _Class::*>
{
typedef _Function_handler<void(_ArgTypes...), _Member _Class::*>
_Base;
public:
static _Res _M_invoke(const _Any_data& __functor, _ArgTypes... __args)
static _Res
_M_invoke(const _Any_data& __functor, _ArgTypes... __args)
{
return _GLIBCXX_TR1::mem_fn(_Base::_M_get_pointer(__functor)->__value)(__args...);
return _GLIBCXX_TR1::
mem_fn(_Base::_M_get_pointer(__functor)->__value)(__args...);
}
};
template<typename _Class, typename _Member, typename... _ArgTypes>
class _Function_handler<void(_ArgTypes...), _Member _Class::*>
: public _Function_base::_Base_manager<
: public _Function_base::_Base_manager<
_Simple_type_wrapper< _Member _Class::* > >
{
typedef _Member _Class::* _Functor;
typedef _Simple_type_wrapper< _Functor > _Wrapper;
typedef _Simple_type_wrapper<_Functor> _Wrapper;
typedef _Function_base::_Base_manager<_Wrapper> _Base;
public:
......@@ -1854,287 +1888,295 @@ _GLIBCXX_BEGIN_NAMESPACE(_GLIBCXX_TR1)
_M_manager(_Any_data& __dest, const _Any_data& __source,
_Manager_operation __op)
{
switch (__op) {
case __get_type_info:
__dest._M_access<const type_info*>() = &typeid(_Functor);
break;
case __get_functor_ptr:
__dest._M_access<_Functor*>() =
&_Base::_M_get_pointer(__source)->__value;
break;
default:
_Base::_M_manager(__dest, __source, __op);
}
switch (__op)
{
case __get_type_info:
__dest._M_access<const type_info*>() = &typeid(_Functor);
break;
case __get_functor_ptr:
__dest._M_access<_Functor*>() =
&_Base::_M_get_pointer(__source)->__value;
break;
default:
_Base::_M_manager(__dest, __source, __op);
}
return false;
}
static void _M_invoke(const _Any_data& __functor, _ArgTypes... __args)
static void
_M_invoke(const _Any_data& __functor, _ArgTypes... __args)
{
_GLIBCXX_TR1::mem_fn(_Base::_M_get_pointer(__functor)->__value)(__args...);
_GLIBCXX_TR1::
mem_fn(_Base::_M_get_pointer(__functor)->__value)(__args...);
}
};
template<typename _Res, typename... _ArgTypes>
class function<_Res(_ArgTypes...)>
class function<_Res(_ArgTypes...)>
: public _Maybe_unary_or_binary_function<_Res, _ArgTypes...>,
private _Function_base
{
/**
* @if maint
* This class is used to implement the safe_bool idiom.
* @endif
*/
struct _Hidden_type
{
_Hidden_type* _M_bool;
};
/**
* @if maint
* This class is used to implement the safe_bool idiom.
* @endif
*/
struct _Hidden_type
{
_Hidden_type* _M_bool;
};
/**
* @if maint
* This typedef is used to implement the safe_bool idiom.
* @endif
*/
typedef _Hidden_type* _Hidden_type::* _Safe_bool;
typedef _Res _Signature_type(_ArgTypes...);
struct _Useless {};
public:
typedef _Res result_type;
// [3.7.2.1] construct/copy/destroy
/**
* @brief Default construct creates an empty function call wrapper.
* @post @c !(bool)*this
*/
function() : _Function_base() { }
/**
* @brief Default construct creates an empty function call wrapper.
* @post @c !(bool)*this
*/
function(_M_clear_type*) : _Function_base() { }
/**
* @brief %Function copy constructor.
* @param x A %function object with identical call signature.
* @pre @c (bool)*this == (bool)x
*
* The newly-created %function contains a copy of the target of @a
* x (if it has one).
*/
function(const function& __x);
/**
* @brief Builds a %function that targets a copy of the incoming
* function object.
* @param f A %function object that is callable with parameters of
* type @c T1, @c T2, ..., @c TN and returns a value convertible
* to @c Res.
*
* The newly-created %function object will target a copy of @a
* f. If @a f is @c reference_wrapper<F>, then this function
* object will contain a reference to the function object @c
* f.get(). If @a f is a NULL function pointer or NULL
* pointer-to-member, the newly-created object will be empty.
*
* If @a f is a non-NULL function pointer or an object of type @c
* reference_wrapper<F>, this function will not throw.
*/
template<typename _Functor>
function(_Functor __f,
typename __gnu_cxx::__enable_if<
!is_integral<_Functor>::value, _Useless>::__type
= _Useless());
/**
* @brief %Function assignment operator.
* @param x A %function with identical call signature.
* @post @c (bool)*this == (bool)x
* @returns @c *this
*
* The target of @a x is copied to @c *this. If @a x has no
* target, then @c *this will be empty.
*
* If @a x targets a function pointer or a reference to a function
* object, then this operation will not throw an exception.
*/
function& operator=(const function& __x)
/**
* @if maint
* This typedef is used to implement the safe_bool idiom.
* @endif
*/
typedef _Hidden_type* _Hidden_type::* _Safe_bool;
typedef _Res _Signature_type(_ArgTypes...);
struct _Useless {};
public:
typedef _Res result_type;
// [3.7.2.1] construct/copy/destroy
/**
* @brief Default construct creates an empty function call wrapper.
* @post @c !(bool)*this
*/
function() : _Function_base() { }
/**
* @brief Default construct creates an empty function call wrapper.
* @post @c !(bool)*this
*/
function(_M_clear_type*) : _Function_base() { }
/**
* @brief %Function copy constructor.
* @param x A %function object with identical call signature.
* @pre @c (bool)*this == (bool)x
*
* The newly-created %function contains a copy of the target of @a
* x (if it has one).
*/
function(const function& __x);
/**
* @brief Builds a %function that targets a copy of the incoming
* function object.
* @param f A %function object that is callable with parameters of
* type @c T1, @c T2, ..., @c TN and returns a value convertible
* to @c Res.
*
* The newly-created %function object will target a copy of @a
* f. If @a f is @c reference_wrapper<F>, then this function
* object will contain a reference to the function object @c
* f.get(). If @a f is a NULL function pointer or NULL
* pointer-to-member, the newly-created object will be empty.
*
* If @a f is a non-NULL function pointer or an object of type @c
* reference_wrapper<F>, this function will not throw.
*/
template<typename _Functor>
function(_Functor __f,
typename __gnu_cxx::__enable_if<
!is_integral<_Functor>::value, _Useless>::__type
= _Useless());
/**
* @brief %Function assignment operator.
* @param x A %function with identical call signature.
* @post @c (bool)*this == (bool)x
* @returns @c *this
*
* The target of @a x is copied to @c *this. If @a x has no
* target, then @c *this will be empty.
*
* If @a x targets a function pointer or a reference to a function
* object, then this operation will not throw an exception.
*/
function&
operator=(const function& __x)
{
function(__x).swap(*this);
return *this;
}
/**
* @brief %Function assignment to zero.
* @post @c !(bool)*this
* @returns @c *this
*
* The target of @a *this is deallocated, leaving it empty.
*/
function& operator=(_M_clear_type*)
/**
* @brief %Function assignment to zero.
* @post @c !(bool)*this
* @returns @c *this
*
* The target of @a *this is deallocated, leaving it empty.
*/
function&
operator=(_M_clear_type*)
{
if (_M_manager) {
_M_manager(_M_functor, _M_functor, __destroy_functor);
_M_manager = 0;
_M_invoker = 0;
}
if (_M_manager)
{
_M_manager(_M_functor, _M_functor, __destroy_functor);
_M_manager = 0;
_M_invoker = 0;
}
return *this;
}
/**
* @brief %Function assignment to a new target.
* @param f A %function object that is callable with parameters of
* type @c T1, @c T2, ..., @c TN and returns a value convertible
* to @c Res.
* @return @c *this
*
* This %function object wrapper will target a copy of @a
* f. If @a f is @c reference_wrapper<F>, then this function
* object will contain a reference to the function object @c
* f.get(). If @a f is a NULL function pointer or NULL
* pointer-to-member, @c this object will be empty.
*
* If @a f is a non-NULL function pointer or an object of type @c
* reference_wrapper<F>, this function will not throw.
*/
template<typename _Functor>
typename __gnu_cxx::__enable_if<!is_integral<_Functor>::value,
function&>::__type
operator=(_Functor __f)
/**
* @brief %Function assignment to a new target.
* @param f A %function object that is callable with parameters of
* type @c T1, @c T2, ..., @c TN and returns a value convertible
* to @c Res.
* @return @c *this
*
* This %function object wrapper will target a copy of @a
* f. If @a f is @c reference_wrapper<F>, then this function
* object will contain a reference to the function object @c
* f.get(). If @a f is a NULL function pointer or NULL
* pointer-to-member, @c this object will be empty.
*
* If @a f is a non-NULL function pointer or an object of type @c
* reference_wrapper<F>, this function will not throw.
*/
template<typename _Functor>
typename __gnu_cxx::__enable_if<!is_integral<_Functor>::value,
function&>::__type
operator=(_Functor __f)
{
function(__f).swap(*this);
return *this;
}
// [3.7.2.2] function modifiers
/**
* @brief Swap the targets of two %function objects.
* @param f A %function with identical call signature.
*
* Swap the targets of @c this function object and @a f. This
* function will not throw an exception.
*/
void swap(function& __x)
{
function(__f).swap(*this);
return *this;
_Any_data __old_functor = _M_functor;
_M_functor = __x._M_functor;
__x._M_functor = __old_functor;
_Manager_type __old_manager = _M_manager;
_M_manager = __x._M_manager;
__x._M_manager = __old_manager;
_Invoker_type __old_invoker = _M_invoker;
_M_invoker = __x._M_invoker;
__x._M_invoker = __old_invoker;
}
// [3.7.2.2] function modifiers
/**
* @brief Swap the targets of two %function objects.
* @param f A %function with identical call signature.
*
* Swap the targets of @c this function object and @a f. This
* function will not throw an exception.
*/
void swap(function& __x)
{
_Any_data __old_functor = _M_functor;
_M_functor = __x._M_functor;
__x._M_functor = __old_functor;
_Manager_type __old_manager = _M_manager;
_M_manager = __x._M_manager;
__x._M_manager = __old_manager;
_Invoker_type __old_invoker = _M_invoker;
_M_invoker = __x._M_invoker;
__x._M_invoker = __old_invoker;
}
// [3.7.2.3] function capacity
/**
* @brief Determine if the %function wrapper has a target.
*
* @return @c true when this %function object contains a target,
* or @c false when it is empty.
*
* This function will not throw an exception.
*/
operator _Safe_bool() const
// [3.7.2.3] function capacity
/**
* @brief Determine if the %function wrapper has a target.
*
* @return @c true when this %function object contains a target,
* or @c false when it is empty.
*
* This function will not throw an exception.
*/
operator _Safe_bool() const
{
if (_M_empty())
{
return 0;
}
else
{
return &_Hidden_type::_M_bool;
}
return 0;
else
return &_Hidden_type::_M_bool;
}
// [3.7.2.4] function invocation
/**
* @brief Invokes the function targeted by @c *this.
* @returns the result of the target.
* @throws bad_function_call when @c !(bool)*this
*
* The function call operator invokes the target function object
* stored by @c this.
*/
_Res operator()(_ArgTypes... __args) const;
// [3.7.2.5] function target access
/**
* @brief Determine the type of the target of this function object
* wrapper.
*
* @returns the type identifier of the target function object, or
* @c typeid(void) if @c !(bool)*this.
*
* This function will not throw an exception.
*/
const type_info& target_type() const;
/**
* @brief Access the stored target function object.
*
* @return Returns a pointer to the stored target function object,
* if @c typeid(Functor).equals(target_type()); otherwise, a NULL
* pointer.
*
* This function will not throw an exception.
*/
template<typename _Functor> _Functor* target();
/**
* @overload
*/
template<typename _Functor> const _Functor* target() const;
private:
// [3.7.2.6] undefined operators
template<typename _Function>
void operator==(const function<_Function>&) const;
template<typename _Function>
void operator!=(const function<_Function>&) const;
typedef _Res (*_Invoker_type)(const _Any_data&, _ArgTypes...);
_Invoker_type _M_invoker;
// [3.7.2.4] function invocation
/**
* @brief Invokes the function targeted by @c *this.
* @returns the result of the target.
* @throws bad_function_call when @c !(bool)*this
*
* The function call operator invokes the target function object
* stored by @c this.
*/
_Res operator()(_ArgTypes... __args) const;
// [3.7.2.5] function target access
/**
* @brief Determine the type of the target of this function object
* wrapper.
*
* @returns the type identifier of the target function object, or
* @c typeid(void) if @c !(bool)*this.
*
* This function will not throw an exception.
*/
const type_info& target_type() const;
/**
* @brief Access the stored target function object.
*
* @return Returns a pointer to the stored target function object,
* if @c typeid(Functor).equals(target_type()); otherwise, a NULL
* pointer.
*
* This function will not throw an exception.
*/
template<typename _Functor> _Functor* target();
/**
* @overload
*/
template<typename _Functor> const _Functor* target() const;
private:
// [3.7.2.6] undefined operators
template<typename _Function>
void operator==(const function<_Function>&) const;
template<typename _Function>
void operator!=(const function<_Function>&) const;
typedef _Res (*_Invoker_type)(const _Any_data&, _ArgTypes...);
_Invoker_type _M_invoker;
};
template<typename _Res, typename... _ArgTypes>
function<_Res(_ArgTypes...)>::function(const function& __x)
: _Function_base()
{
if (__x) {
_M_invoker = __x._M_invoker;
_M_manager = __x._M_manager;
__x._M_manager(_M_functor, __x._M_functor, __clone_functor);
}
function<_Res(_ArgTypes...)>::
function(const function& __x)
: _Function_base()
{
if (__x)
{
_M_invoker = __x._M_invoker;
_M_manager = __x._M_manager;
__x._M_manager(_M_functor, __x._M_functor, __clone_functor);
}
}
template<typename _Res, typename... _ArgTypes>
template<typename _Functor>
function<_Res(_ArgTypes...)>
::function(_Functor __f,
typename __gnu_cxx::__enable_if<
!is_integral<_Functor>::value, _Useless>::__type)
template<typename _Functor>
function<_Res(_ArgTypes...)>::
function(_Functor __f,
typename __gnu_cxx::__enable_if<
!is_integral<_Functor>::value, _Useless>::__type)
: _Function_base()
{
typedef _Function_handler<_Signature_type, _Functor> _My_handler;
if (_My_handler::_M_not_empty_function(__f)) {
_M_invoker = &_My_handler::_M_invoke;
_M_manager = &_My_handler::_M_manager;
_My_handler::_M_init_functor(_M_functor, __f);
}
}
{
typedef _Function_handler<_Signature_type, _Functor> _My_handler;
if (_My_handler::_M_not_empty_function(__f))
{
_M_invoker = &_My_handler::_M_invoke;
_M_manager = &_My_handler::_M_manager;
_My_handler::_M_init_functor(_M_functor, __f);
}
}
template<typename _Res, typename... _ArgTypes>
_Res function<_Res(_ArgTypes...)>::operator()(_ArgTypes... __args) const
_Res
function<_Res(_ArgTypes...)>::
operator()(_ArgTypes... __args) const
{
if (_M_empty())
{
......@@ -2148,7 +2190,9 @@ _GLIBCXX_BEGIN_NAMESPACE(_GLIBCXX_TR1)
}
template<typename _Res, typename... _ArgTypes>
const type_info& function<_Res(_ArgTypes...)>::target_type() const
const type_info&
function<_Res(_ArgTypes...)>::
target_type() const
{
if (_M_manager)
{
......@@ -2157,45 +2201,43 @@ _GLIBCXX_BEGIN_NAMESPACE(_GLIBCXX_TR1)
return *__typeinfo_result._M_access<const type_info*>();
}
else
{
return typeid(void);
}
return typeid(void);
}
template<typename _Res, typename... _ArgTypes>
template<typename _Functor>
_Functor* function<_Res(_ArgTypes...)>::target()
{
if (typeid(_Functor) == target_type() && _M_manager)
{
_Any_data __ptr;
if (_M_manager(__ptr, _M_functor, __get_functor_ptr)
&& !is_const<_Functor>::value)
return 0;
else
return __ptr._M_access<_Functor*>();
}
else
{
return 0;
}
}
template<typename _Functor>
_Functor*
function<_Res(_ArgTypes...)>::
target()
{
if (typeid(_Functor) == target_type() && _M_manager)
{
_Any_data __ptr;
if (_M_manager(__ptr, _M_functor, __get_functor_ptr)
&& !is_const<_Functor>::value)
return 0;
else
return __ptr._M_access<_Functor*>();
}
else
return 0;
}
template<typename _Res, typename... _ArgTypes>
template<typename _Functor>
const _Functor* function<_Res(_ArgTypes...)>::target() const
{
if (typeid(_Functor) == target_type() && _M_manager)
{
_Any_data __ptr;
_M_manager(__ptr, _M_functor, __get_functor_ptr);
return __ptr._M_access<const _Functor*>();
}
else
{
return 0;
}
}
template<typename _Functor>
const _Functor*
function<_Res(_ArgTypes...)>::
target() const
{
if (typeid(_Functor) == target_type() && _M_manager)
{
_Any_data __ptr;
_M_manager(__ptr, _M_functor, __get_functor_ptr);
return __ptr._M_access<const _Functor*>();
}
else
return 0;
}
// [3.7.2.7] null pointer comparisons
......@@ -2209,7 +2251,7 @@ _GLIBCXX_BEGIN_NAMESPACE(_GLIBCXX_TR1)
template<typename _Signature>
inline bool
operator==(const function<_Signature>& __f, _M_clear_type*)
{
{
return !__f;
}
......
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