Scarfski/entt
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

meta: further reduce cost of creating meta objects

Browse Source
This commit is contained in:
skypjack
2024-07-14 14:55:51 +02:00
parent 8b7f5e5668
commit cf099b4511
1 changed files with 26 additions and 12 deletions
Download Patch File Download Diff File Expand all files Collapse all files

38
src/entt/meta/factory.hpp
View File

@@ -46,6 +46,26 @@ protected:
elem.id = id;
}
void extend(const id_type id, meta_base_node node) {
owner().details->base.insert_or_assign(id, std::move(node));
properties = nullptr;
}
void extend(const id_type id, meta_conv_node node) {
owner().details->conv.insert_or_assign(id, std::move(node));
properties = nullptr;
}
void extend(const id_type id, meta_ctor_node node) {
owner().details->ctor.insert_or_assign(id, std::move(node));
properties = nullptr;
}
void extend(meta_dtor_node node) {
owner().dtor = std::move(node);
properties = nullptr;
}
void extend(const id_type id, meta_data_node node) {
auto &&elem = owner().details->data.insert_or_assign(id, std::move(node)).first->second;
properties = &elem.prop;
@@ -158,8 +178,7 @@ public:
auto base() noexcept {
static_assert(!std::is_same_v<Type, Base> && std::is_base_of_v<Base, Type>, "Invalid base type");
auto *const op = +[](const void *instance) noexcept { return static_cast<const void *>(static_cast<const Base *>(static_cast<const Type *>(instance))); };
this->owner().details->base.insert_or_assign(type_id<Base>().hash(), internal::meta_base_node{&internal::resolve<Base>, op});
this->bucket(nullptr);
this->extend(type_id<Base>().hash(), internal::meta_base_node{&internal::resolve<Base>, op});
return *this;
}
@@ -179,8 +198,7 @@ public:
auto conv() noexcept {
using conv_type = std::remove_cv_t<std::remove_reference_t<std::invoke_result_t<decltype(Candidate), Type &>>>;
auto *const op = +[](const meta_ctx &area, const void *instance) { return forward_as_meta(area, std::invoke(Candidate, *static_cast<const Type *>(instance))); };
this->owner().details->conv.insert_or_assign(type_id<conv_type>().hash(), internal::meta_conv_node{op});
this->bucket(nullptr);
this->extend(type_id<conv_type>().hash(), internal::meta_conv_node{op});
return *this;
}
@@ -197,8 +215,7 @@ public:
auto conv() noexcept {
using conv_type = std::remove_cv_t<std::remove_reference_t<To>>;
auto *const op = +[](const meta_ctx &area, const void *instance) { return forward_as_meta(area, static_cast<To>(*static_cast<const Type *>(instance))); };
this->owner().details->conv.insert_or_assign(type_id<conv_type>().hash(), internal::meta_conv_node{op});
this->bucket(nullptr);
this->extend(type_id<conv_type>().hash(), internal::meta_conv_node{op});
return *this;
}
@@ -220,8 +237,7 @@ public:
using descriptor = meta_function_helper_t<Type, decltype(Candidate)>;
static_assert(Policy::template value<typename descriptor::return_type>, "Invalid return type for the given policy");
static_assert(std::is_same_v<std::remove_cv_t<std::remove_reference_t<typename descriptor::return_type>>, Type>, "The function doesn't return an object of the required type");
this->owner().details->ctor.insert_or_assign(type_id<typename descriptor::args_type>().hash(), internal::meta_ctor_node{descriptor::args_type::size, &meta_arg<typename descriptor::args_type>, &meta_construct<Type, Candidate, Policy>});
this->bucket(nullptr);
this->extend(type_id<typename descriptor::args_type>().hash(), internal::meta_ctor_node{descriptor::args_type::size, &meta_arg<typename descriptor::args_type>, &meta_construct<Type, Candidate, Policy>});
return *this;
}
@@ -240,10 +256,9 @@ public:
// default constructor is already implicitly generated, no need for redundancy
if constexpr(sizeof...(Args) != 0u) {
using descriptor = meta_function_helper_t<Type, Type (*)(Args...)>;
this->owner().details->ctor.insert_or_assign(type_id<typename descriptor::args_type>().hash(), internal::meta_ctor_node{descriptor::args_type::size, &meta_arg<typename descriptor::args_type>, &meta_construct<Type, Args...>});
this->extend(type_id<typename descriptor::args_type>().hash(), internal::meta_ctor_node{descriptor::args_type::size, &meta_arg<typename descriptor::args_type>, &meta_construct<Type, Args...>});
}
this->bucket(nullptr);
return *this;
}
@@ -269,8 +284,7 @@ public:
auto dtor() noexcept {
static_assert(std::is_invocable_v<decltype(Func), Type &>, "The function doesn't accept an object of the type provided");
auto *const op = +[](void *instance) { std::invoke(Func, *static_cast<Type *>(instance)); };
this->owner().dtor = internal::meta_dtor_node{op};
this->bucket(nullptr);
this->extend(internal::meta_dtor_node{op});
return *this;
}