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-rw-r--r--core/object/class_db.h29
-rw-r--r--core/object/method_bind.h4
2 files changed, 33 insertions, 0 deletions
diff --git a/core/object/class_db.h b/core/object/class_db.h
index 0e408e8845..0b62cf40f7 100644
--- a/core/object/class_db.h
+++ b/core/object/class_db.h
@@ -40,6 +40,8 @@
#include "core/object/callable_method_pointer.h"
#include "core/templates/hash_set.h"
+#include <type_traits>
+
#define DEFVAL(m_defval) (m_defval)
#ifdef DEBUG_METHODS_ENABLED
@@ -241,6 +243,24 @@ public:
static uint64_t get_api_hash(APIType p_api);
+ template <typename>
+ struct member_function_traits;
+
+ template <typename R, typename T, typename... Args>
+ struct member_function_traits<R (T::*)(Args...)> {
+ using return_type = R;
+ };
+
+ template <typename R, typename T, typename... Args>
+ struct member_function_traits<R (T::*)(Args...) const> {
+ using return_type = R;
+ };
+
+ template <typename R, typename... Args>
+ struct member_function_traits<R (*)(Args...)> {
+ using return_type = R;
+ };
+
template <class N, class M, typename... VarArgs>
static MethodBind *bind_method(N p_method_name, M p_method, VarArgs... p_args) {
Variant args[sizeof...(p_args) + 1] = { p_args..., Variant() }; // +1 makes sure zero sized arrays are also supported.
@@ -249,6 +269,9 @@ public:
argptrs[i] = &args[i];
}
MethodBind *bind = create_method_bind(p_method);
+ if constexpr (std::is_same<typename member_function_traits<M>::return_type, Object *>::value) {
+ bind->set_return_type_is_raw_object_ptr(true);
+ }
return bind_methodfi(METHOD_FLAGS_DEFAULT, bind, p_method_name, sizeof...(p_args) == 0 ? nullptr : (const Variant **)argptrs, sizeof...(p_args));
}
@@ -261,6 +284,9 @@ public:
}
MethodBind *bind = create_static_method_bind(p_method);
bind->set_instance_class(p_class);
+ if constexpr (std::is_same<typename member_function_traits<M>::return_type, Object *>::value) {
+ bind->set_return_type_is_raw_object_ptr(true);
+ }
return bind_methodfi(METHOD_FLAGS_DEFAULT, bind, p_method_name, sizeof...(p_args) == 0 ? nullptr : (const Variant **)argptrs, sizeof...(p_args));
}
@@ -273,6 +299,9 @@ public:
bind->set_name(p_name);
bind->set_default_arguments(p_default_args);
+ if constexpr (std::is_same<typename member_function_traits<M>::return_type, Object *>::value) {
+ bind->set_return_type_is_raw_object_ptr(true);
+ }
String instance_type = bind->get_instance_class();
diff --git a/core/object/method_bind.h b/core/object/method_bind.h
index 8334a7eef6..d37479f45b 100644
--- a/core/object/method_bind.h
+++ b/core/object/method_bind.h
@@ -49,6 +49,7 @@ class MethodBind {
bool _static = false;
bool _const = false;
bool _returns = false;
+ bool _returns_raw_obj_ptr = false;
protected:
Variant::Type *argument_types = nullptr;
@@ -121,6 +122,9 @@ public:
_FORCE_INLINE_ bool has_return() const { return _returns; }
virtual bool is_vararg() const { return false; }
+ _FORCE_INLINE_ bool is_return_type_raw_object_ptr() { return _returns_raw_obj_ptr; }
+ _FORCE_INLINE_ void set_return_type_is_raw_object_ptr(bool p_returns_raw_obj) { _returns_raw_obj_ptr = p_returns_raw_obj; }
+
void set_default_arguments(const Vector<Variant> &p_defargs);
uint32_t get_hash() const;