607 lines
24 KiB
C++
607 lines
24 KiB
C++
/**************************************************************************/
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/* binder_common.hpp */
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/**************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/**************************************************************************/
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/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
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/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/**************************************************************************/
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#ifndef GODOT_BINDER_COMMON_HPP
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#define GODOT_BINDER_COMMON_HPP
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#include <gdextension_interface.h>
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#include <godot_cpp/core/method_ptrcall.hpp>
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#include <godot_cpp/core/type_info.hpp>
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#include <array>
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#include <vector>
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namespace godot {
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#define VARIANT_ENUM_CAST(m_enum) \
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namespace godot { \
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MAKE_ENUM_TYPE_INFO(m_enum) \
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template <> \
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struct VariantCaster<m_enum> { \
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static _FORCE_INLINE_ m_enum cast(const Variant &p_variant) { \
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return (m_enum)p_variant.operator int64_t(); \
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} \
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}; \
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template <> \
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struct PtrToArg<m_enum> { \
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_FORCE_INLINE_ static m_enum convert(const void *p_ptr) { \
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return m_enum(*reinterpret_cast<const int64_t *>(p_ptr)); \
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} \
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typedef int64_t EncodeT; \
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_FORCE_INLINE_ static void encode(m_enum p_val, void *p_ptr) { \
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*reinterpret_cast<int64_t *>(p_ptr) = p_val; \
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} \
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}; \
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}
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#define VARIANT_BITFIELD_CAST(m_enum) \
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namespace godot { \
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MAKE_BITFIELD_TYPE_INFO(m_enum) \
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template <> \
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struct VariantCaster<BitField<m_enum>> { \
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static _FORCE_INLINE_ BitField<m_enum> cast(const Variant &p_variant) { \
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return BitField<m_enum>(p_variant.operator int64_t()); \
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} \
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}; \
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template <> \
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struct PtrToArg<BitField<m_enum>> { \
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_FORCE_INLINE_ static BitField<m_enum> convert(const void *p_ptr) { \
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return BitField<m_enum>(*reinterpret_cast<const int64_t *>(p_ptr)); \
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} \
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typedef int64_t EncodeT; \
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_FORCE_INLINE_ static void encode(BitField<m_enum> p_val, void *p_ptr) { \
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*reinterpret_cast<int64_t *>(p_ptr) = p_val; \
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} \
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}; \
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}
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template <typename T>
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struct VariantCaster {
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static _FORCE_INLINE_ T cast(const Variant &p_variant) {
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using TStripped = std::remove_pointer_t<T>;
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if constexpr (std::is_base_of<Object, TStripped>::value) {
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return Object::cast_to<TStripped>(p_variant);
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} else {
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return p_variant;
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}
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}
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};
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template <typename T>
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struct VariantCaster<T &> {
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static _FORCE_INLINE_ T cast(const Variant &p_variant) {
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using TStripped = std::remove_pointer_t<T>;
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if constexpr (std::is_base_of<Object, TStripped>::value) {
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return Object::cast_to<TStripped>(p_variant);
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} else {
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return p_variant;
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}
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}
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};
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template <typename T>
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struct VariantCaster<const T &> {
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static _FORCE_INLINE_ T cast(const Variant &p_variant) {
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using TStripped = std::remove_pointer_t<T>;
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if constexpr (std::is_base_of<Object, TStripped>::value) {
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return Object::cast_to<TStripped>(p_variant);
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} else {
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return p_variant;
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}
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}
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};
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template <typename T>
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struct VariantObjectClassChecker {
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static _FORCE_INLINE_ bool check(const Variant &p_variant) {
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using TStripped = std::remove_pointer_t<T>;
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if constexpr (std::is_base_of<Object, TStripped>::value) {
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Object *obj = p_variant;
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return Object::cast_to<TStripped>(p_variant) || !obj;
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} else {
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return true;
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}
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}
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};
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template <typename T>
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class Ref;
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template <typename T>
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struct VariantObjectClassChecker<const Ref<T> &> {
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static _FORCE_INLINE_ bool check(const Variant &p_variant) {
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Object *obj = p_variant;
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const Ref<T> node = p_variant;
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return node.ptr() || !obj;
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}
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};
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template <typename T>
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struct VariantCasterAndValidate {
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static _FORCE_INLINE_ T cast(const Variant **p_args, uint32_t p_arg_idx, GDExtensionCallError &r_error) {
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GDExtensionVariantType argtype = GDExtensionVariantType(GetTypeInfo<T>::VARIANT_TYPE);
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if (!internal::gdextension_interface_variant_can_convert_strict(static_cast<GDExtensionVariantType>(p_args[p_arg_idx]->get_type()), argtype) ||
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!VariantObjectClassChecker<T>::check(p_args[p_arg_idx])) {
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r_error.error = GDEXTENSION_CALL_ERROR_INVALID_ARGUMENT;
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r_error.argument = p_arg_idx;
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r_error.expected = argtype;
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}
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return VariantCaster<T>::cast(*p_args[p_arg_idx]);
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}
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};
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template <typename T>
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struct VariantCasterAndValidate<T &> {
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static _FORCE_INLINE_ T cast(const Variant **p_args, uint32_t p_arg_idx, GDExtensionCallError &r_error) {
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GDExtensionVariantType argtype = GDExtensionVariantType(GetTypeInfo<T>::VARIANT_TYPE);
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if (!internal::gdextension_interface_variant_can_convert_strict(static_cast<GDExtensionVariantType>(p_args[p_arg_idx]->get_type()), argtype) ||
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!VariantObjectClassChecker<T>::check(p_args[p_arg_idx])) {
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r_error.error = GDEXTENSION_CALL_ERROR_INVALID_ARGUMENT;
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r_error.argument = p_arg_idx;
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r_error.expected = argtype;
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}
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return VariantCaster<T>::cast(*p_args[p_arg_idx]);
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}
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};
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template <typename T>
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struct VariantCasterAndValidate<const T &> {
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static _FORCE_INLINE_ T cast(const Variant **p_args, uint32_t p_arg_idx, GDExtensionCallError &r_error) {
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GDExtensionVariantType argtype = GDExtensionVariantType(GetTypeInfo<T>::VARIANT_TYPE);
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if (!internal::gdextension_interface_variant_can_convert_strict(static_cast<GDExtensionVariantType>(p_args[p_arg_idx]->get_type()), argtype) ||
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!VariantObjectClassChecker<T>::check(p_args[p_arg_idx])) {
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r_error.error = GDEXTENSION_CALL_ERROR_INVALID_ARGUMENT;
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r_error.argument = p_arg_idx;
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r_error.expected = argtype;
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}
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return VariantCaster<T>::cast(*p_args[p_arg_idx]);
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}
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};
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template <typename T, typename... P, size_t... Is>
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void call_with_ptr_args_helper(T *p_instance, void (T::*p_method)(P...), const GDExtensionConstTypePtr *p_args, IndexSequence<Is...>) {
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(p_instance->*p_method)(PtrToArg<P>::convert(p_args[Is])...);
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}
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template <typename T, typename... P, size_t... Is>
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void call_with_ptr_argsc_helper(T *p_instance, void (T::*p_method)(P...) const, const GDExtensionConstTypePtr *p_args, IndexSequence<Is...>) {
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(p_instance->*p_method)(PtrToArg<P>::convert(p_args[Is])...);
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}
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template <typename T, typename R, typename... P, size_t... Is>
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void call_with_ptr_args_ret_helper(T *p_instance, R (T::*p_method)(P...), const GDExtensionConstTypePtr *p_args, void *r_ret, IndexSequence<Is...>) {
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PtrToArg<R>::encode((p_instance->*p_method)(PtrToArg<P>::convert(p_args[Is])...), r_ret);
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}
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template <typename T, typename R, typename... P, size_t... Is>
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void call_with_ptr_args_retc_helper(T *p_instance, R (T::*p_method)(P...) const, const GDExtensionConstTypePtr *p_args, void *r_ret, IndexSequence<Is...>) {
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PtrToArg<R>::encode((p_instance->*p_method)(PtrToArg<P>::convert(p_args[Is])...), r_ret);
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}
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template <typename T, typename... P>
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void call_with_ptr_args(T *p_instance, void (T::*p_method)(P...), const GDExtensionConstTypePtr *p_args, void * /*ret*/) {
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call_with_ptr_args_helper<T, P...>(p_instance, p_method, p_args, BuildIndexSequence<sizeof...(P)>{});
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}
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template <typename T, typename... P>
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void call_with_ptr_args(T *p_instance, void (T::*p_method)(P...) const, const GDExtensionConstTypePtr *p_args, void * /*ret*/) {
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call_with_ptr_argsc_helper<T, P...>(p_instance, p_method, p_args, BuildIndexSequence<sizeof...(P)>{});
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}
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template <typename T, typename R, typename... P>
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void call_with_ptr_args(T *p_instance, R (T::*p_method)(P...), const GDExtensionConstTypePtr *p_args, void *r_ret) {
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call_with_ptr_args_ret_helper<T, R, P...>(p_instance, p_method, p_args, r_ret, BuildIndexSequence<sizeof...(P)>{});
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}
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template <typename T, typename R, typename... P>
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void call_with_ptr_args(T *p_instance, R (T::*p_method)(P...) const, const GDExtensionConstTypePtr *p_args, void *r_ret) {
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call_with_ptr_args_retc_helper<T, R, P...>(p_instance, p_method, p_args, r_ret, BuildIndexSequence<sizeof...(P)>{});
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}
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template <typename T, typename... P, size_t... Is>
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void call_with_variant_args_helper(T *p_instance, void (T::*p_method)(P...), const Variant **p_args, GDExtensionCallError &r_error, IndexSequence<Is...>) {
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r_error.error = GDEXTENSION_CALL_OK;
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#ifdef DEBUG_METHODS_ENABLED
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(p_instance->*p_method)(VariantCasterAndValidate<P>::cast(p_args, Is, r_error)...);
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#else
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(p_instance->*p_method)(VariantCaster<P>::cast(*p_args[Is])...);
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#endif
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(void)(p_args); // Avoid warning.
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}
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template <typename T, typename... P, size_t... Is>
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void call_with_variant_argsc_helper(T *p_instance, void (T::*p_method)(P...) const, const Variant **p_args, GDExtensionCallError &r_error, IndexSequence<Is...>) {
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r_error.error = GDEXTENSION_CALL_OK;
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#ifdef DEBUG_METHODS_ENABLED
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(p_instance->*p_method)(VariantCasterAndValidate<P>::cast(p_args, Is, r_error)...);
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#else
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(p_instance->*p_method)(VariantCaster<P>::cast(*p_args[Is])...);
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#endif
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(void)(p_args); // Avoid warning.
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}
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template <typename T, typename R, typename... P, size_t... Is>
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void call_with_variant_args_ret_helper(T *p_instance, R (T::*p_method)(P...), const Variant **p_args, Variant &r_ret, GDExtensionCallError &r_error, IndexSequence<Is...>) {
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r_error.error = GDEXTENSION_CALL_OK;
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#ifdef DEBUG_METHODS_ENABLED
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r_ret = (p_instance->*p_method)(VariantCasterAndValidate<P>::cast(p_args, Is, r_error)...);
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#else
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r_ret = (p_instance->*p_method)(VariantCaster<P>::cast(*p_args[Is])...);
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#endif
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}
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template <typename T, typename R, typename... P, size_t... Is>
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void call_with_variant_args_retc_helper(T *p_instance, R (T::*p_method)(P...) const, const Variant **p_args, Variant &r_ret, GDExtensionCallError &r_error, IndexSequence<Is...>) {
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r_error.error = GDEXTENSION_CALL_OK;
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#ifdef DEBUG_METHODS_ENABLED
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r_ret = (p_instance->*p_method)(VariantCasterAndValidate<P>::cast(p_args, Is, r_error)...);
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#else
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r_ret = (p_instance->*p_method)(VariantCaster<P>::cast(*p_args[Is])...);
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#endif
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(void)p_args;
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}
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template <typename T, typename... P>
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void call_with_variant_args_dv(T *p_instance, void (T::*p_method)(P...), const GDExtensionConstVariantPtr *p_args, int p_argcount, GDExtensionCallError &r_error, const std::vector<Variant> &default_values) {
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#ifdef DEBUG_ENABLED
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if ((size_t)p_argcount > sizeof...(P)) {
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r_error.error = GDEXTENSION_CALL_ERROR_TOO_MANY_ARGUMENTS;
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r_error.argument = (int32_t)sizeof...(P);
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return;
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}
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#endif
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int32_t missing = (int32_t)sizeof...(P) - (int32_t)p_argcount;
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int32_t dvs = (int32_t)default_values.size();
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#ifdef DEBUG_ENABLED
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if (missing > dvs) {
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r_error.error = GDEXTENSION_CALL_ERROR_TOO_FEW_ARGUMENTS;
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r_error.argument = (int32_t)sizeof...(P);
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return;
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}
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#endif
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Variant args[sizeof...(P) == 0 ? 1 : sizeof...(P)]; // Avoid zero sized array.
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std::array<const Variant *, sizeof...(P)> argsp;
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for (int32_t i = 0; i < (int32_t)sizeof...(P); i++) {
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if (i < p_argcount) {
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args[i] = Variant(p_args[i]);
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} else {
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args[i] = default_values[i - p_argcount + (dvs - missing)];
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}
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argsp[i] = &args[i];
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}
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call_with_variant_args_helper(p_instance, p_method, argsp.data(), r_error, BuildIndexSequence<sizeof...(P)>{});
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}
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template <typename T, typename... P>
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void call_with_variant_argsc_dv(T *p_instance, void (T::*p_method)(P...) const, const GDExtensionConstVariantPtr *p_args, int p_argcount, GDExtensionCallError &r_error, const std::vector<Variant> &default_values) {
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#ifdef DEBUG_ENABLED
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if ((size_t)p_argcount > sizeof...(P)) {
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r_error.error = GDEXTENSION_CALL_ERROR_TOO_MANY_ARGUMENTS;
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r_error.argument = (int32_t)sizeof...(P);
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return;
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}
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#endif
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int32_t missing = (int32_t)sizeof...(P) - (int32_t)p_argcount;
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int32_t dvs = (int32_t)default_values.size();
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#ifdef DEBUG_ENABLED
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if (missing > dvs) {
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r_error.error = GDEXTENSION_CALL_ERROR_TOO_FEW_ARGUMENTS;
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r_error.argument = (int32_t)sizeof...(P);
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return;
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}
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#endif
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Variant args[sizeof...(P) == 0 ? 1 : sizeof...(P)]; // Avoid zero sized array.
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std::array<const Variant *, sizeof...(P)> argsp;
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for (int32_t i = 0; i < (int32_t)sizeof...(P); i++) {
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if (i < p_argcount) {
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args[i] = Variant(p_args[i]);
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} else {
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args[i] = default_values[i - p_argcount + (dvs - missing)];
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}
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argsp[i] = &args[i];
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}
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call_with_variant_argsc_helper(p_instance, p_method, argsp.data(), r_error, BuildIndexSequence<sizeof...(P)>{});
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}
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template <typename T, typename R, typename... P>
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void call_with_variant_args_ret_dv(T *p_instance, R (T::*p_method)(P...), const GDExtensionConstVariantPtr *p_args, int p_argcount, Variant &r_ret, GDExtensionCallError &r_error, const std::vector<Variant> &default_values) {
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#ifdef DEBUG_ENABLED
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if ((size_t)p_argcount > sizeof...(P)) {
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r_error.error = GDEXTENSION_CALL_ERROR_TOO_MANY_ARGUMENTS;
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r_error.argument = (int32_t)sizeof...(P);
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return;
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}
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#endif
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int32_t missing = (int32_t)sizeof...(P) - (int32_t)p_argcount;
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int32_t dvs = (int32_t)default_values.size();
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#ifdef DEBUG_ENABLED
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if (missing > dvs) {
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r_error.error = GDEXTENSION_CALL_ERROR_TOO_FEW_ARGUMENTS;
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r_error.argument = (int32_t)sizeof...(P);
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return;
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}
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#endif
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Variant args[sizeof...(P) == 0 ? 1 : sizeof...(P)]; // Avoid zero sized array.
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std::array<const Variant *, sizeof...(P)> argsp;
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for (int32_t i = 0; i < (int32_t)sizeof...(P); i++) {
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if (i < p_argcount) {
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args[i] = Variant(p_args[i]);
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} else {
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args[i] = default_values[i - p_argcount + (dvs - missing)];
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}
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argsp[i] = &args[i];
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}
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call_with_variant_args_ret_helper(p_instance, p_method, argsp.data(), r_ret, r_error, BuildIndexSequence<sizeof...(P)>{});
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}
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template <typename T, typename R, typename... P>
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void call_with_variant_args_retc_dv(T *p_instance, R (T::*p_method)(P...) const, const GDExtensionConstVariantPtr *p_args, int p_argcount, Variant &r_ret, GDExtensionCallError &r_error, const std::vector<Variant> &default_values) {
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#ifdef DEBUG_ENABLED
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if ((size_t)p_argcount > sizeof...(P)) {
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r_error.error = GDEXTENSION_CALL_ERROR_TOO_MANY_ARGUMENTS;
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r_error.argument = (int32_t)sizeof...(P);
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return;
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}
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#endif
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int32_t missing = (int32_t)sizeof...(P) - (int32_t)p_argcount;
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int32_t dvs = (int32_t)default_values.size();
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#ifdef DEBUG_ENABLED
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if (missing > dvs) {
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r_error.error = GDEXTENSION_CALL_ERROR_TOO_FEW_ARGUMENTS;
|
|
r_error.argument = (int32_t)sizeof...(P);
|
|
return;
|
|
}
|
|
#endif
|
|
|
|
Variant args[sizeof...(P) == 0 ? 1 : sizeof...(P)]; // Avoid zero sized array.
|
|
std::array<const Variant *, sizeof...(P)> argsp;
|
|
for (int32_t i = 0; i < (int32_t)sizeof...(P); i++) {
|
|
if (i < p_argcount) {
|
|
args[i] = Variant(p_args[i]);
|
|
} else {
|
|
args[i] = default_values[i - p_argcount + (dvs - missing)];
|
|
}
|
|
argsp[i] = &args[i];
|
|
}
|
|
|
|
call_with_variant_args_retc_helper(p_instance, p_method, argsp.data(), r_ret, r_error, BuildIndexSequence<sizeof...(P)>{});
|
|
}
|
|
|
|
// GCC raises "parameter 'p_args' set but not used" when P = {},
|
|
// it's not clever enough to treat other P values as making this branch valid.
|
|
#if defined(DEBUG_METHODS_ENABLED) && defined(__GNUC__) && !defined(__clang__)
|
|
#pragma GCC diagnostic push
|
|
#pragma GCC diagnostic ignored "-Wunused-but-set-parameter"
|
|
#endif
|
|
|
|
template <typename Q>
|
|
void call_get_argument_type_helper(int p_arg, int &index, GDExtensionVariantType &type) {
|
|
if (p_arg == index) {
|
|
type = GDExtensionVariantType(GetTypeInfo<Q>::VARIANT_TYPE);
|
|
}
|
|
index++;
|
|
}
|
|
|
|
template <typename... P>
|
|
GDExtensionVariantType call_get_argument_type(int p_arg) {
|
|
GDExtensionVariantType type = GDEXTENSION_VARIANT_TYPE_NIL;
|
|
int index = 0;
|
|
// I think rocket science is simpler than modern C++.
|
|
using expand_type = int[];
|
|
expand_type a{ 0, (call_get_argument_type_helper<P>(p_arg, index, type), 0)... };
|
|
(void)a; // Suppress (valid, but unavoidable) -Wunused-variable warning.
|
|
(void)index; // Suppress GCC warning.
|
|
return type;
|
|
}
|
|
|
|
template <typename Q>
|
|
void call_get_argument_type_info_helper(int p_arg, int &index, PropertyInfo &info) {
|
|
if (p_arg == index) {
|
|
info = GetTypeInfo<Q>::get_class_info();
|
|
}
|
|
index++;
|
|
}
|
|
|
|
template <typename... P>
|
|
void call_get_argument_type_info(int p_arg, PropertyInfo &info) {
|
|
int index = 0;
|
|
// I think rocket science is simpler than modern C++.
|
|
using expand_type = int[];
|
|
expand_type a{ 0, (call_get_argument_type_info_helper<P>(p_arg, index, info), 0)... };
|
|
(void)a; // Suppress (valid, but unavoidable) -Wunused-variable warning.
|
|
(void)index; // Suppress GCC warning.
|
|
}
|
|
|
|
template <typename Q>
|
|
void call_get_argument_metadata_helper(int p_arg, int &index, GDExtensionClassMethodArgumentMetadata &md) {
|
|
if (p_arg == index) {
|
|
md = GetTypeInfo<Q>::METADATA;
|
|
}
|
|
index++;
|
|
}
|
|
|
|
template <typename... P>
|
|
GDExtensionClassMethodArgumentMetadata call_get_argument_metadata(int p_arg) {
|
|
GDExtensionClassMethodArgumentMetadata md = GDEXTENSION_METHOD_ARGUMENT_METADATA_NONE;
|
|
|
|
int index = 0;
|
|
// I think rocket science is simpler than modern C++.
|
|
using expand_type = int[];
|
|
expand_type a{ 0, (call_get_argument_metadata_helper<P>(p_arg, index, md), 0)... };
|
|
(void)a; // Suppress (valid, but unavoidable) -Wunused-variable warning.
|
|
(void)index;
|
|
return md;
|
|
}
|
|
|
|
template <typename... P, size_t... Is>
|
|
void call_with_variant_args_static(void (*p_method)(P...), const Variant **p_args, GDExtensionCallError &r_error, IndexSequence<Is...>) {
|
|
r_error.error = GDEXTENSION_CALL_OK;
|
|
|
|
#ifdef DEBUG_METHODS_ENABLED
|
|
(p_method)(VariantCasterAndValidate<P>::cast(p_args, Is, r_error)...);
|
|
#else
|
|
(p_method)(VariantCaster<P>::cast(*p_args[Is])...);
|
|
#endif
|
|
}
|
|
|
|
template <typename... P>
|
|
void call_with_variant_args_static_dv(void (*p_method)(P...), const GDExtensionConstVariantPtr *p_args, int p_argcount, GDExtensionCallError &r_error, const std::vector<Variant> &default_values) {
|
|
#ifdef DEBUG_ENABLED
|
|
if ((size_t)p_argcount > sizeof...(P)) {
|
|
r_error.error = GDEXTENSION_CALL_ERROR_TOO_MANY_ARGUMENTS;
|
|
r_error.argument = sizeof...(P);
|
|
return;
|
|
}
|
|
#endif
|
|
|
|
int32_t missing = (int32_t)sizeof...(P) - (int32_t)p_argcount;
|
|
|
|
int32_t dvs = default_values.size();
|
|
#ifdef DEBUG_ENABLED
|
|
if (missing > dvs) {
|
|
r_error.error = GDEXTENSION_CALL_ERROR_TOO_FEW_ARGUMENTS;
|
|
r_error.argument = sizeof...(P);
|
|
return;
|
|
}
|
|
#endif
|
|
|
|
Variant args[sizeof...(P) == 0 ? 1 : sizeof...(P)]; // Avoid zero sized array.
|
|
std::array<const Variant *, sizeof...(P)> argsp;
|
|
for (int32_t i = 0; i < (int32_t)sizeof...(P); i++) {
|
|
if (i < p_argcount) {
|
|
args[i] = Variant(p_args[i]);
|
|
} else {
|
|
args[i] = default_values[i - p_argcount + (dvs - missing)];
|
|
}
|
|
argsp[i] = &args[i];
|
|
}
|
|
|
|
call_with_variant_args_static(p_method, argsp.data(), r_error, BuildIndexSequence<sizeof...(P)>{});
|
|
}
|
|
|
|
template <typename... P, size_t... Is>
|
|
void call_with_ptr_args_static_method_helper(void (*p_method)(P...), const GDExtensionConstTypePtr *p_args, IndexSequence<Is...>) {
|
|
p_method(PtrToArg<P>::convert(p_args[Is])...);
|
|
}
|
|
|
|
template <typename... P>
|
|
void call_with_ptr_args_static_method(void (*p_method)(P...), const GDExtensionConstTypePtr *p_args) {
|
|
call_with_ptr_args_static_method_helper<P...>(p_method, p_args, BuildIndexSequence<sizeof...(P)>{});
|
|
}
|
|
|
|
template <typename R, typename... P, size_t... Is>
|
|
void call_with_variant_args_static_ret(R (*p_method)(P...), const Variant **p_args, Variant &r_ret, GDExtensionCallError &r_error, IndexSequence<Is...>) {
|
|
r_error.error = GDEXTENSION_CALL_OK;
|
|
|
|
#ifdef DEBUG_METHODS_ENABLED
|
|
r_ret = (p_method)(VariantCasterAndValidate<P>::cast(p_args, Is, r_error)...);
|
|
#else
|
|
r_ret = (p_method)(VariantCaster<P>::cast(*p_args[Is])...);
|
|
#endif
|
|
}
|
|
|
|
template <typename R, typename... P>
|
|
void call_with_variant_args_static_ret_dv(R (*p_method)(P...), const GDExtensionConstVariantPtr *p_args, int p_argcount, Variant &r_ret, GDExtensionCallError &r_error, const std::vector<Variant> &default_values) {
|
|
#ifdef DEBUG_ENABLED
|
|
if ((size_t)p_argcount > sizeof...(P)) {
|
|
r_error.error = GDEXTENSION_CALL_ERROR_TOO_MANY_ARGUMENTS;
|
|
r_error.argument = sizeof...(P);
|
|
return;
|
|
}
|
|
#endif
|
|
|
|
int32_t missing = (int32_t)sizeof...(P) - (int32_t)p_argcount;
|
|
|
|
int32_t dvs = default_values.size();
|
|
#ifdef DEBUG_ENABLED
|
|
if (missing > dvs) {
|
|
r_error.error = GDEXTENSION_CALL_ERROR_TOO_FEW_ARGUMENTS;
|
|
r_error.argument = sizeof...(P);
|
|
return;
|
|
}
|
|
#endif
|
|
|
|
Variant args[sizeof...(P) == 0 ? 1 : sizeof...(P)]; // Avoid zero sized array.
|
|
std::array<const Variant *, sizeof...(P)> argsp;
|
|
for (int32_t i = 0; i < (int32_t)sizeof...(P); i++) {
|
|
if (i < p_argcount) {
|
|
args[i] = Variant(p_args[i]);
|
|
} else {
|
|
args[i] = default_values[i - p_argcount + (dvs - missing)];
|
|
}
|
|
argsp[i] = &args[i];
|
|
}
|
|
|
|
call_with_variant_args_static_ret(p_method, argsp.data(), r_ret, r_error, BuildIndexSequence<sizeof...(P)>{});
|
|
}
|
|
|
|
template <typename R, typename... P, size_t... Is>
|
|
void call_with_ptr_args_static_method_ret_helper(R (*p_method)(P...), const GDExtensionConstTypePtr *p_args, void *r_ret, IndexSequence<Is...>) {
|
|
PtrToArg<R>::encode(p_method(PtrToArg<P>::convert(p_args[Is])...), r_ret);
|
|
}
|
|
|
|
template <typename R, typename... P>
|
|
void call_with_ptr_args_static_method_ret(R (*p_method)(P...), const GDExtensionConstTypePtr *p_args, void *r_ret) {
|
|
call_with_ptr_args_static_method_ret_helper<R, P...>(p_method, p_args, r_ret, BuildIndexSequence<sizeof...(P)>{});
|
|
}
|
|
|
|
#if defined(__GNUC__) && !defined(__clang__)
|
|
#pragma GCC diagnostic pop
|
|
#endif
|
|
|
|
} // namespace godot
|
|
|
|
#include <godot_cpp/classes/global_constants_binds.hpp>
|
|
#include <godot_cpp/variant/builtin_binds.hpp>
|
|
|
|
#endif // GODOT_BINDER_COMMON_HPP
|