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

meta: further reduce cost of creating meta func objects

Browse Source
This commit is contained in:
skypjack
2024-07-14 14:25:04 +02:00
parent 1bfe022a57
commit c2f87a70c5
1 changed files with 22 additions and 20 deletions
Download Patch File Download Diff File Expand all files Collapse all files

42
src/entt/meta/factory.hpp
View File

@@ -25,23 +25,6 @@ namespace entt {
/*! @cond TURN_OFF_DOXYGEN */
namespace internal {
inline meta_func_node &meta_extend(internal::meta_type_node &parent, const id_type id, meta_func_node node) {
if(auto it = parent.details->func.find(id); it != parent.details->func.end()) {
for(auto *curr = &it->second; curr; curr = curr->next.get()) {
if(curr->invoke == node.invoke) {
node.next = std::move(curr->next);
*curr = std::move(node);
return *curr;
}
}
// locally overloaded function
node.next = std::make_shared<meta_func_node>(std::move(parent.details->func[id]));
}
return parent.details->func.insert_or_assign(id, std::move(node)).first->second;
}
class basic_meta_factory {
using bucket_type = dense_map<id_type, internal::meta_prop_node, identity>;
@@ -73,6 +56,27 @@ protected:
properties = &elem.prop;
}
void extend(const id_type id, meta_func_node node) {
auto &parent = owner();
if(auto it = parent.details->func.find(id); it != parent.details->func.end()) {
for(auto *curr = &it->second; curr; curr = curr->next.get()) {
if(curr->invoke == node.invoke) {
node.next = std::move(curr->next);
*curr = std::move(node);
properties = &curr->prop;
return;
}
}
// locally overloaded function
node.next = std::make_shared<meta_func_node>(std::move(parent.details->func[id]));
}
auto &&elem = parent.details->func.insert_or_assign(id, std::move(node)).first->second;
properties = &elem.prop;
}
void property(const id_type key, internal::meta_prop_node value) {
ENTT_ASSERT(properties != nullptr, "Meta object does not support properties");
(*properties)[key] = std::move(value);
@@ -416,8 +420,7 @@ 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");
auto &&elem = internal::meta_extend(
this->owner(),
this->extend(
id,
internal::meta_func_node{
(descriptor::is_const ? internal::meta_traits::is_const : internal::meta_traits::is_none) | (descriptor::is_static ? internal::meta_traits::is_static : internal::meta_traits::is_none),
@@ -426,7 +429,6 @@ public:
&meta_arg<typename descriptor::args_type>,
&meta_invoke<Type, Candidate, Policy>});
this->bucket(&elem.prop);
return *this;
}