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meta: context aware internal try_cast

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This commit is contained in:
Michele Caini
2022-10-06 16:13:31 +02:00
parent 54ae48936f
commit ebdd4118fd
2 changed files with 6 additions and 6 deletions
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6
src/entt/meta/meta.hpp
View File

@@ -340,7 +340,8 @@ public:
*/
template<typename Type>
[[nodiscard]] const Type *try_cast() const {
return static_cast<const Type *>(internal::try_cast(node, internal::resolve_TODO<std::remove_cv_t<Type>>(), data()));
auto &&context_TODO = internal::meta_context::from(locator<meta_ctx>::value_or());
return static_cast<const Type *>(internal::try_cast(node, internal::resolve<std::remove_cv_t<Type>>(context_TODO), data(), context_TODO));
}
/*! @copydoc try_cast */
@@ -349,7 +350,8 @@ public:
if constexpr(std::is_const_v<Type>) {
return std::as_const(*this).try_cast<std::remove_const_t<Type>>();
} else {
return static_cast<Type *>(const_cast<void *>(internal::try_cast(node, internal::resolve_TODO<Type>(), data())));
auto &&context_TODO = internal::meta_context::from(locator<meta_ctx>::value_or());
return static_cast<Type *>(const_cast<void *>(internal::try_cast(node, internal::resolve<Type>(context_TODO), data(), context_TODO)));
}
}

6
src/entt/meta/node.hpp
View File

@@ -148,16 +148,14 @@ template<typename... Args>
return value(context);
}
[[nodiscard]] inline const void *try_cast(const meta_type_node &from, const meta_type_node &to, const void *instance) noexcept {
[[nodiscard]] inline const void *try_cast(const meta_type_node &from, const meta_type_node &to, const void *instance, const meta_context &context) noexcept {
if(from.info && to.info && *from.info == *to.info) {
return instance;
}
if(from.details) {
auto &&context_TODO = meta_context::from(locator<meta_ctx>::value_or());
for(auto &&curr: from.details->base) {
if(const void *elem = try_cast(curr.second.type(context_TODO), to, curr.second.cast(instance)); elem) {
if(const void *elem = try_cast(curr.second.type(context), to, curr.second.cast(instance), context); elem) {
return elem;
}
}