godot-cpp/include/godot_cpp/core/builtin_ptrcall.hpp

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3.7 KiB
C++

/*************************************************************************/
/* builtin_ptrcall.hpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/*************************************************************************/
#ifndef GODOT_BUILTIN_PTRCALL_HPP
#define GODOT_BUILTIN_PTRCALL_HPP
#include <gdextension_interface.h>
#include <array>
namespace godot {
namespace internal {
template <class... Args>
void _call_builtin_constructor(const GDExtensionPtrConstructor constructor, GDExtensionTypePtr base, Args... args) {
std::array<GDExtensionConstTypePtr, sizeof...(Args)> call_args = { { (GDExtensionConstTypePtr)args... } };
constructor(base, call_args.data());
}
template <class T, class... Args>
T _call_builtin_method_ptr_ret(const GDExtensionPtrBuiltInMethod method, GDExtensionTypePtr base, Args... args) {
T ret;
std::array<GDExtensionConstTypePtr, sizeof...(Args)> call_args = { { (GDExtensionConstTypePtr)args... } };
method(base, call_args.data(), &ret, sizeof...(Args));
return ret;
}
template <class... Args>
void _call_builtin_method_ptr_no_ret(const GDExtensionPtrBuiltInMethod method, GDExtensionTypePtr base, Args... args) {
std::array<GDExtensionConstTypePtr, sizeof...(Args)> call_args = { { (GDExtensionConstTypePtr)args... } };
method(base, call_args.data(), nullptr, sizeof...(Args));
}
template <class T>
T _call_builtin_operator_ptr(const GDExtensionPtrOperatorEvaluator op, GDExtensionConstTypePtr left, GDExtensionConstTypePtr right) {
T ret;
op(left, right, &ret);
return ret;
}
template <class T>
T _call_builtin_ptr_getter(const GDExtensionPtrGetter getter, GDExtensionConstTypePtr base) {
T ret;
getter(base, &ret);
return ret;
}
} // namespace internal
} // namespace godot
#endif // GODOT_BUILTIN_PTRCALL_HPP