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meta: removed ::rebind function (soft breaking change, sort of internal)

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This commit is contained in:
Michele Caini
2024-11-04 09:04:48 +01:00
parent 3b78610a38
commit 6cceb9082d
1 changed files with 45 additions and 58 deletions
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103
src/entt/meta/meta.hpp
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@@ -42,31 +42,25 @@ public:
/**
* @brief Context aware constructor.
* @param area The context from which to search for meta types.
*/
meta_sequence_container(const meta_ctx &area) noexcept
: ctx{&area} {}
/**
* @brief Rebinds a proxy object to a sequence container type.
* @tparam Type Type of container to wrap.
* @param area The context from which to search for meta types.
* @param instance The container to wrap.
*/
template<typename Type>
void rebind(Type &instance) noexcept {
value_type_node = &internal::resolve<typename Type::value_type>;
const_reference_node = &internal::resolve<std::remove_const_t<std::remove_reference_t<typename Type::const_reference>>>;
size_fn = meta_sequence_container_traits<std::remove_const_t<Type>>::size;
clear_fn = meta_sequence_container_traits<std::remove_const_t<Type>>::clear;
reserve_fn = meta_sequence_container_traits<std::remove_const_t<Type>>::reserve;
resize_fn = meta_sequence_container_traits<std::remove_const_t<Type>>::resize;
begin_fn = meta_sequence_container_traits<std::remove_const_t<Type>>::begin;
end_fn = meta_sequence_container_traits<std::remove_const_t<Type>>::end;
insert_fn = meta_sequence_container_traits<std::remove_const_t<Type>>::insert;
erase_fn = meta_sequence_container_traits<std::remove_const_t<Type>>::erase;
const_only = std::is_const_v<Type>;
data = &instance;
}
meta_sequence_container(const meta_ctx &area, Type &instance) noexcept
: ctx{&area},
value_type_node{&internal::resolve<typename Type::value_type>},
const_reference_node{&internal::resolve<std::remove_const_t<std::remove_reference_t<typename Type::const_reference>>>},
size_fn{meta_sequence_container_traits<std::remove_const_t<Type>>::size},
clear_fn{meta_sequence_container_traits<std::remove_const_t<Type>>::clear},
reserve_fn{meta_sequence_container_traits<std::remove_const_t<Type>>::reserve},
resize_fn{meta_sequence_container_traits<std::remove_const_t<Type>>::resize},
begin_fn{meta_sequence_container_traits<std::remove_const_t<Type>>::begin},
end_fn{meta_sequence_container_traits<std::remove_const_t<Type>>::end},
insert_fn{meta_sequence_container_traits<std::remove_const_t<Type>>::insert},
erase_fn{meta_sequence_container_traits<std::remove_const_t<Type>>::erase},
const_only{std::is_const_v<Type>},
data{&instance} {}
[[nodiscard]] inline meta_type value_type() const noexcept;
[[nodiscard]] inline size_type size() const noexcept;
@@ -81,7 +75,7 @@ public:
[[nodiscard]] inline explicit operator bool() const noexcept;
private:
const meta_ctx *ctx{&locator<meta_ctx>::value_or()};
const meta_ctx *ctx{};
internal::meta_type_node (*value_type_node)(const internal::meta_context &){};
internal::meta_type_node (*const_reference_node)(const internal::meta_context &){};
size_type (*size_fn)(const void *){};
@@ -111,35 +105,28 @@ public:
/**
* @brief Context aware constructor.
* @param area The context from which to search for meta types.
*/
meta_associative_container(const meta_ctx &area) noexcept
: ctx{&area} {}
/**
* @brief Rebinds a proxy object to an associative container type.
* @tparam Type Type of container to wrap.
* @param area The context from which to search for meta types.
* @param instance The container to wrap.
*/
template<typename Type>
void rebind(Type &instance) noexcept {
key_type_node = &internal::resolve<typename Type::key_type>;
value_type_node = &internal::resolve<typename Type::value_type>;
meta_associative_container(const meta_ctx &area, Type &instance) noexcept
: ctx{&area},
key_type_node{&internal::resolve<typename Type::key_type>},
value_type_node{&internal::resolve<typename Type::value_type>},
size_fn{&meta_associative_container_traits<std::remove_const_t<Type>>::size},
clear_fn{&meta_associative_container_traits<std::remove_const_t<Type>>::clear},
reserve_fn{&meta_associative_container_traits<std::remove_const_t<Type>>::reserve},
begin_fn{&meta_associative_container_traits<std::remove_const_t<Type>>::begin},
end_fn{&meta_associative_container_traits<std::remove_const_t<Type>>::end},
insert_fn{&meta_associative_container_traits<std::remove_const_t<Type>>::insert},
erase_fn{&meta_associative_container_traits<std::remove_const_t<Type>>::erase},
find_fn{&meta_associative_container_traits<std::remove_const_t<Type>>::find},
const_only{std::is_const_v<Type>},
data{&instance} {
if constexpr(!meta_associative_container_traits<std::remove_const_t<Type>>::key_only) {
mapped_type_node = &internal::resolve<typename Type::mapped_type>;
}
size_fn = &meta_associative_container_traits<std::remove_const_t<Type>>::size;
clear_fn = &meta_associative_container_traits<std::remove_const_t<Type>>::clear;
reserve_fn = &meta_associative_container_traits<std::remove_const_t<Type>>::reserve;
begin_fn = &meta_associative_container_traits<std::remove_const_t<Type>>::begin;
end_fn = &meta_associative_container_traits<std::remove_const_t<Type>>::end;
insert_fn = &meta_associative_container_traits<std::remove_const_t<Type>>::insert;
erase_fn = &meta_associative_container_traits<std::remove_const_t<Type>>::erase;
find_fn = &meta_associative_container_traits<std::remove_const_t<Type>>::find;
const_only = std::is_const_v<Type>;
data = &instance;
}
[[nodiscard]] inline meta_type key_type() const noexcept;
@@ -156,7 +143,7 @@ public:
[[nodiscard]] inline explicit operator bool() const noexcept;
private:
const meta_ctx *ctx{&locator<meta_ctx>::value_or()};
const meta_ctx *ctx{};
internal::meta_type_node (*key_type_node)(const internal::meta_context &){};
internal::meta_type_node (*mapped_type_node)(const internal::meta_context &){};
internal::meta_type_node (*value_type_node)(const internal::meta_context &){};
@@ -200,14 +187,14 @@ class meta_any {
}
if constexpr(is_complete_v<meta_sequence_container_traits<Type>>) {
if(req == internal::meta_traits::is_meta_sequence_container) {
const_only ? static_cast<meta_sequence_container *>(other)->rebind(*static_cast<const Type *>(value)) : static_cast<meta_sequence_container *>(other)->rebind(*static_cast<Type *>(const_cast<void *>(value)));
if(const meta_any *parent = static_cast<const meta_any *>(value); req == internal::meta_traits::is_meta_sequence_container) {
*static_cast<meta_sequence_container *>(other) = const_only ? meta_sequence_container{*parent->ctx, *static_cast<const Type *>(parent->data())} : meta_sequence_container{*parent->ctx, *static_cast<Type *>(const_cast<void *>(parent->data()))};
}
}
if constexpr(is_complete_v<meta_associative_container_traits<Type>>) {
if(req == internal::meta_traits::is_meta_associative_container) {
const_only ? static_cast<meta_associative_container *>(other)->rebind(*static_cast<const Type *>(value)) : static_cast<meta_associative_container *>(other)->rebind(*static_cast<Type *>(const_cast<void *>(value)));
if(const meta_any *parent = static_cast<const meta_any *>(value); req == internal::meta_traits::is_meta_associative_container) {
*static_cast<meta_associative_container *>(other) = const_only ? meta_associative_container{*parent->ctx, *static_cast<const Type *>(parent->data())} : meta_associative_container{*parent->ctx, *static_cast<Type *>(const_cast<void *>(parent->data()))};
}
}
}
@@ -536,15 +523,15 @@ public:
* @return A sequence container proxy for the underlying object.
*/
[[nodiscard]] meta_sequence_container as_sequence_container() noexcept {
meta_sequence_container proxy{*ctx};
vtable(internal::meta_traits::is_meta_sequence_container, policy() == meta_any_policy::cref, std::as_const(*this).data(), &proxy);
meta_sequence_container proxy{};
vtable(internal::meta_traits::is_meta_sequence_container, policy() == meta_any_policy::cref, this, &proxy);
return proxy;
}
/*! @copydoc as_sequence_container */
[[nodiscard]] meta_sequence_container as_sequence_container() const noexcept {
meta_sequence_container proxy{*ctx};
vtable(internal::meta_traits::is_meta_sequence_container, true, data(), &proxy);
meta_sequence_container proxy{};
vtable(internal::meta_traits::is_meta_sequence_container, true, this, &proxy);
return proxy;
}
@@ -553,15 +540,15 @@ public:
* @return An associative container proxy for the underlying object.
*/
[[nodiscard]] meta_associative_container as_associative_container() noexcept {
meta_associative_container proxy{*ctx};
vtable(internal::meta_traits::is_meta_associative_container, policy() == meta_any_policy::cref, std::as_const(*this).data(), &proxy);
meta_associative_container proxy{};
vtable(internal::meta_traits::is_meta_associative_container, policy() == meta_any_policy::cref, this, &proxy);
return proxy;
}
/*! @copydoc as_associative_container */
[[nodiscard]] meta_associative_container as_associative_container() const noexcept {
meta_associative_container proxy{*ctx};
vtable(internal::meta_traits::is_meta_associative_container, true, data(), &proxy);
meta_associative_container proxy{};
vtable(internal::meta_traits::is_meta_associative_container, true, this, &proxy);
return proxy;
}
@@ -1483,7 +1470,7 @@ public:
/*! @copydoc meta_data::operator== */
[[nodiscard]] bool operator==(const meta_type &other) const noexcept {
return (ctx == other.ctx) && (((node.info == nullptr) && (other.node.info == nullptr)) || ((node.info != nullptr) && (other.node.info != nullptr) && *node.info == *other.node.info));
return (ctx == other.ctx) && (!!node.info == !!other.node.info) && (node.info == nullptr || (*node.info == *other.node.info));
}
private: