Bug 1163320 - Variadic implementation of nsRunnableMethodArguments. r=froydnj

MozReview-Commit-ID: 13YyOyiionD

--HG--
extra : rebase_source : 89a0ad0877ed3290a41288523fe9b13d9c5bac7d
extra : source : ed761807105b30069d5a7412f8dacf75429eeeb6
This commit is contained in:
Botond Ballo 2015-05-11 17:24:21 -04:00
Родитель 8c83eea5af
Коммит 5a57a5b196
1 изменённых файлов: 30 добавлений и 196 удалений

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@ -18,7 +18,9 @@
#include "nsCOMPtr.h"
#include "nsAutoPtr.h"
#include "mozilla/Atomics.h"
#include "mozilla/IndexSequence.h"
#include "mozilla/Likely.h"
#include "mozilla/Tuple.h"
#include "mozilla/TypeTraits.h"
//-----------------------------------------------------------------------------
@ -369,7 +371,7 @@ struct StoreCopyPassByValue
typedef T passed_type;
stored_type m;
template <typename A>
explicit StoreCopyPassByValue(A&& a) : m(mozilla::Forward<A>(a)) {}
MOZ_IMPLICIT StoreCopyPassByValue(A&& a) : m(mozilla::Forward<A>(a)) {}
passed_type PassAsParameter() { return m; }
};
template<typename S>
@ -383,7 +385,7 @@ struct StoreCopyPassByConstLRef
typedef const T& passed_type;
stored_type m;
template <typename A>
explicit StoreCopyPassByConstLRef(A&& a) : m(mozilla::Forward<A>(a)) {}
MOZ_IMPLICIT StoreCopyPassByConstLRef(A&& a) : m(mozilla::Forward<A>(a)) {}
passed_type PassAsParameter() { return m; }
};
template<typename S>
@ -397,7 +399,7 @@ struct StoreCopyPassByLRef
typedef T& passed_type;
stored_type m;
template <typename A>
explicit StoreCopyPassByLRef(A&& a) : m(mozilla::Forward<A>(a)) {}
MOZ_IMPLICIT StoreCopyPassByLRef(A&& a) : m(mozilla::Forward<A>(a)) {}
passed_type PassAsParameter() { return m; }
};
template<typename S>
@ -411,7 +413,7 @@ struct StoreCopyPassByRRef
typedef T&& passed_type;
stored_type m;
template <typename A>
explicit StoreCopyPassByRRef(A&& a) : m(mozilla::Forward<A>(a)) {}
MOZ_IMPLICIT StoreCopyPassByRRef(A&& a) : m(mozilla::Forward<A>(a)) {}
passed_type PassAsParameter() { return mozilla::Move(m); }
};
template<typename S>
@ -425,7 +427,7 @@ struct StoreRefPassByLRef
typedef T& passed_type;
stored_type m;
template <typename A>
explicit StoreRefPassByLRef(A& a) : m(a) {}
MOZ_IMPLICIT StoreRefPassByLRef(A& a) : m(a) {}
passed_type PassAsParameter() { return m; }
};
template<typename S>
@ -439,7 +441,7 @@ struct StoreConstRefPassByConstLRef
typedef const T& passed_type;
stored_type m;
template <typename A>
explicit StoreConstRefPassByConstLRef(const A& a) : m(a) {}
MOZ_IMPLICIT StoreConstRefPassByConstLRef(const A& a) : m(a) {}
passed_type PassAsParameter() { return m; }
};
template<typename S>
@ -453,7 +455,7 @@ struct StorensRefPtrPassByPtr
typedef T* passed_type;
stored_type m;
template <typename A>
explicit StorensRefPtrPassByPtr(A&& a) : m(mozilla::Forward<A>(a)) {}
MOZ_IMPLICIT StorensRefPtrPassByPtr(A&& a) : m(mozilla::Forward<A>(a)) {}
passed_type PassAsParameter() { return m.get(); }
};
template<typename S>
@ -467,7 +469,7 @@ struct StorePtrPassByPtr
typedef T* passed_type;
stored_type m;
template <typename A>
explicit StorePtrPassByPtr(A a) : m(a) {}
MOZ_IMPLICIT StorePtrPassByPtr(A a) : m(a) {}
passed_type PassAsParameter() { return m; }
};
template<typename S>
@ -481,7 +483,7 @@ struct StoreConstPtrPassByConstPtr
typedef const T* passed_type;
stored_type m;
template <typename A>
explicit StoreConstPtrPassByConstPtr(A a) : m(a) {}
MOZ_IMPLICIT StoreConstPtrPassByConstPtr(A a) : m(a) {}
passed_type PassAsParameter() { return m; }
};
template<typename S>
@ -495,7 +497,7 @@ struct StoreCopyPassByConstPtr
typedef const T* passed_type;
stored_type m;
template <typename A>
explicit StoreCopyPassByConstPtr(A&& a) : m(mozilla::Forward<A>(a)) {}
MOZ_IMPLICIT StoreCopyPassByConstPtr(A&& a) : m(mozilla::Forward<A>(a)) {}
passed_type PassAsParameter() { return &m; }
};
template<typename S>
@ -509,7 +511,7 @@ struct StoreCopyPassByPtr
typedef T* passed_type;
stored_type m;
template <typename A>
explicit StoreCopyPassByPtr(A&& a) : m(mozilla::Forward<A>(a)) {}
MOZ_IMPLICIT StoreCopyPassByPtr(A&& a) : m(mozilla::Forward<A>(a)) {}
passed_type PassAsParameter() { return &m; }
};
template<typename S>
@ -651,196 +653,28 @@ struct ParameterStorage
} /* namespace detail */
// struct used to store arguments and later apply them to a method.
template <typename... Ts> struct nsRunnableMethodArguments;
// Specializations for 0-8 arguments, add more as required.
// TODO Use tuple instead; And/or use lambdas (see bug 1152753)
template <>
struct nsRunnableMethodArguments<>
template <typename... Ts>
struct nsRunnableMethodArguments
{
template<class C, typename M> void apply(C* o, M m)
{
((*o).*m)();
}
};
template <typename T0>
struct nsRunnableMethodArguments<T0>
{
typename ::detail::ParameterStorage<T0>::Type m0;
template<typename A0>
explicit nsRunnableMethodArguments(A0&& a0)
: m0(mozilla::Forward<A0>(a0))
mozilla::Tuple<typename ::detail::ParameterStorage<Ts>::Type...> mArguments;
template <typename... As>
explicit nsRunnableMethodArguments(As&&... aArguments)
: mArguments(mozilla::Forward<As>(aArguments)...)
{}
template<class C, typename M> void apply(C* o, M m)
template<typename C, typename M, typename... Args, size_t... Indices>
static auto
applyImpl(C* o, M m, mozilla::Tuple<Args...>& args,
mozilla::IndexSequence<Indices...>)
-> decltype(((*o).*m)(mozilla::Get<Indices>(args).PassAsParameter()...))
{
((*o).*m)(m0.PassAsParameter());
return ((*o).*m)(mozilla::Get<Indices>(args).PassAsParameter()...);
}
};
template <typename T0, typename T1>
struct nsRunnableMethodArguments<T0, T1>
{
typename ::detail::ParameterStorage<T0>::Type m0;
typename ::detail::ParameterStorage<T1>::Type m1;
template<typename A0, typename A1>
nsRunnableMethodArguments(A0&& a0, A1&& a1)
: m0(mozilla::Forward<A0>(a0))
, m1(mozilla::Forward<A1>(a1))
{}
template<class C, typename M> void apply(C* o, M m)
template<class C, typename M> auto apply(C* o, M m)
-> decltype(applyImpl(o, m, mArguments,
typename mozilla::IndexSequenceFor<Ts...>::Type()))
{
((*o).*m)(m0.PassAsParameter(), m1.PassAsParameter());
}
};
template <typename T0, typename T1, typename T2>
struct nsRunnableMethodArguments<T0, T1, T2>
{
typename ::detail::ParameterStorage<T0>::Type m0;
typename ::detail::ParameterStorage<T1>::Type m1;
typename ::detail::ParameterStorage<T2>::Type m2;
template<typename A0, typename A1, typename A2>
nsRunnableMethodArguments(A0&& a0, A1&& a1, A2&& a2)
: m0(mozilla::Forward<A0>(a0))
, m1(mozilla::Forward<A1>(a1))
, m2(mozilla::Forward<A2>(a2))
{}
template<class C, typename M> void apply(C* o, M m)
{
((*o).*m)(m0.PassAsParameter(), m1.PassAsParameter(), m2.PassAsParameter());
}
};
template <typename T0, typename T1, typename T2, typename T3>
struct nsRunnableMethodArguments<T0, T1, T2, T3>
{
typename ::detail::ParameterStorage<T0>::Type m0;
typename ::detail::ParameterStorage<T1>::Type m1;
typename ::detail::ParameterStorage<T2>::Type m2;
typename ::detail::ParameterStorage<T3>::Type m3;
template<typename A0, typename A1, typename A2, typename A3>
nsRunnableMethodArguments(A0&& a0, A1&& a1, A2&& a2, A3&& a3)
: m0(mozilla::Forward<A0>(a0))
, m1(mozilla::Forward<A1>(a1))
, m2(mozilla::Forward<A2>(a2))
, m3(mozilla::Forward<A3>(a3))
{}
template<class C, typename M> void apply(C* o, M m)
{
((*o).*m)(m0.PassAsParameter(), m1.PassAsParameter(),
m2.PassAsParameter(), m3.PassAsParameter());
}
};
template <typename T0, typename T1, typename T2, typename T3, typename T4>
struct nsRunnableMethodArguments<T0, T1, T2, T3, T4>
{
typename ::detail::ParameterStorage<T0>::Type m0;
typename ::detail::ParameterStorage<T1>::Type m1;
typename ::detail::ParameterStorage<T2>::Type m2;
typename ::detail::ParameterStorage<T3>::Type m3;
typename ::detail::ParameterStorage<T4>::Type m4;
template<typename A0, typename A1, typename A2, typename A3, typename A4>
nsRunnableMethodArguments(A0&& a0, A1&& a1, A2&& a2, A3&& a3, A4&& a4)
: m0(mozilla::Forward<A0>(a0))
, m1(mozilla::Forward<A1>(a1))
, m2(mozilla::Forward<A2>(a2))
, m3(mozilla::Forward<A3>(a3))
, m4(mozilla::Forward<A4>(a4))
{}
template<class C, typename M> void apply(C* o, M m)
{
((*o).*m)(m0.PassAsParameter(), m1.PassAsParameter(),
m2.PassAsParameter(), m3.PassAsParameter(),
m4.PassAsParameter());
}
};
template <typename T0, typename T1, typename T2, typename T3, typename T4,
typename T5>
struct nsRunnableMethodArguments<T0, T1, T2, T3, T4, T5>
{
typename ::detail::ParameterStorage<T0>::Type m0;
typename ::detail::ParameterStorage<T1>::Type m1;
typename ::detail::ParameterStorage<T2>::Type m2;
typename ::detail::ParameterStorage<T3>::Type m3;
typename ::detail::ParameterStorage<T4>::Type m4;
typename ::detail::ParameterStorage<T5>::Type m5;
template<typename A0, typename A1, typename A2, typename A3, typename A4,
typename A5>
nsRunnableMethodArguments(A0&& a0, A1&& a1, A2&& a2, A3&& a3, A4&& a4,
A5&& a5)
: m0(mozilla::Forward<A0>(a0))
, m1(mozilla::Forward<A1>(a1))
, m2(mozilla::Forward<A2>(a2))
, m3(mozilla::Forward<A3>(a3))
, m4(mozilla::Forward<A4>(a4))
, m5(mozilla::Forward<A5>(a5))
{}
template<class C, typename M> void apply(C* o, M m)
{
((*o).*m)(m0.PassAsParameter(), m1.PassAsParameter(),
m2.PassAsParameter(), m3.PassAsParameter(),
m4.PassAsParameter(), m5.PassAsParameter());
}
};
template <typename T0, typename T1, typename T2, typename T3, typename T4,
typename T5, typename T6>
struct nsRunnableMethodArguments<T0, T1, T2, T3, T4, T5, T6>
{
typename ::detail::ParameterStorage<T0>::Type m0;
typename ::detail::ParameterStorage<T1>::Type m1;
typename ::detail::ParameterStorage<T2>::Type m2;
typename ::detail::ParameterStorage<T3>::Type m3;
typename ::detail::ParameterStorage<T4>::Type m4;
typename ::detail::ParameterStorage<T5>::Type m5;
typename ::detail::ParameterStorage<T6>::Type m6;
template<typename A0, typename A1, typename A2, typename A3, typename A4,
typename A5, typename A6>
nsRunnableMethodArguments(A0&& a0, A1&& a1, A2&& a2, A3&& a3, A4&& a4,
A5&& a5, A6&& a6)
: m0(mozilla::Forward<A0>(a0))
, m1(mozilla::Forward<A1>(a1))
, m2(mozilla::Forward<A2>(a2))
, m3(mozilla::Forward<A3>(a3))
, m4(mozilla::Forward<A4>(a4))
, m5(mozilla::Forward<A5>(a5))
, m6(mozilla::Forward<A6>(a6))
{}
template<class C, typename M> void apply(C* o, M m)
{
((*o).*m)(m0.PassAsParameter(), m1.PassAsParameter(),
m2.PassAsParameter(), m3.PassAsParameter(),
m4.PassAsParameter(), m5.PassAsParameter(),
m6.PassAsParameter());
}
};
template <typename T0, typename T1, typename T2, typename T3, typename T4,
typename T5, typename T6, typename T7>
struct nsRunnableMethodArguments<T0, T1, T2, T3, T4, T5, T6, T7>
{
typename ::detail::ParameterStorage<T0>::Type m0;
typename ::detail::ParameterStorage<T1>::Type m1;
typename ::detail::ParameterStorage<T2>::Type m2;
typename ::detail::ParameterStorage<T3>::Type m3;
typename ::detail::ParameterStorage<T4>::Type m4;
typename ::detail::ParameterStorage<T5>::Type m5;
typename ::detail::ParameterStorage<T6>::Type m6;
typename ::detail::ParameterStorage<T7>::Type m7;
template<typename A0, typename A1, typename A2, typename A3, typename A4,
typename A5, typename A6, typename A7>
nsRunnableMethodArguments(A0&& a0, A1&& a1, A2&& a2, A3&& a3, A4&& a4,
A5&& a5, A6&& a6, A7&& a7)
: m0(mozilla::Forward<A0>(a0))
, m1(mozilla::Forward<A1>(a1))
, m2(mozilla::Forward<A2>(a2))
, m3(mozilla::Forward<A3>(a3))
, m4(mozilla::Forward<A4>(a4))
, m5(mozilla::Forward<A5>(a5))
, m6(mozilla::Forward<A6>(a6))
, m7(mozilla::Forward<A7>(a7))
{}
template<class C, typename M> void apply(C* o, M m)
{
((*o).*m)(m0.PassAsParameter(), m1.PassAsParameter(),
m2.PassAsParameter(), m3.PassAsParameter(),
m4.PassAsParameter(), m5.PassAsParameter(),
m6.PassAsParameter(), m7.PassAsParameter());
return applyImpl(o, m, mArguments,
typename mozilla::IndexSequenceFor<Ts...>::Type());
}
};