mirror of
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658 lines
25 KiB
C++
658 lines
25 KiB
C++
/*************************************************************************/
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/* binder_common.h */
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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) 2007-2020 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2020 Godot Engine contributors (cf. AUTHORS.md). */
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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 BINDER_COMMON_H
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#define BINDER_COMMON_H
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#include "core/list.h"
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#include "core/method_ptrcall.h"
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#include "core/object.h"
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#include "core/simple_type.h"
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#include "core/type_info.h"
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#include "core/typedefs.h"
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#include "core/variant.h"
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#include "core/variant_internal.h"
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#include <stdio.h>
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template <class T>
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struct VariantCaster {
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static _FORCE_INLINE_ T cast(const Variant &p_variant) {
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return p_variant;
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}
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};
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template <class 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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return p_variant;
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}
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};
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template <class 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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return p_variant;
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}
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};
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#ifdef PTRCALL_ENABLED
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#define VARIANT_ENUM_CAST(m_enum) \
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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 int(); \
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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 int *>(p_ptr)); \
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} \
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_FORCE_INLINE_ static void encode(m_enum p_val, const void *p_ptr) { \
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*(int *)p_ptr = p_val; \
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} \
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};
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#else
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#define VARIANT_ENUM_CAST(m_enum) \
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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 int(); \
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} \
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};
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#endif
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// Object enum casts must go here
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VARIANT_ENUM_CAST(Object::ConnectFlags);
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VARIANT_ENUM_CAST(Vector3::Axis);
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VARIANT_ENUM_CAST(Error);
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VARIANT_ENUM_CAST(Margin);
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VARIANT_ENUM_CAST(Corner);
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VARIANT_ENUM_CAST(Orientation);
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VARIANT_ENUM_CAST(HAlign);
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VARIANT_ENUM_CAST(VAlign);
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VARIANT_ENUM_CAST(PropertyHint);
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VARIANT_ENUM_CAST(PropertyUsageFlags);
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VARIANT_ENUM_CAST(Variant::Type);
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VARIANT_ENUM_CAST(Variant::Operator);
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template <>
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struct VariantCaster<char32_t> {
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static _FORCE_INLINE_ char32_t cast(const Variant &p_variant) {
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return (char32_t)p_variant.operator int();
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}
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};
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#ifdef PTRCALL_ENABLED
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template <>
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struct PtrToArg<char32_t> {
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_FORCE_INLINE_ static char32_t convert(const void *p_ptr) {
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return char32_t(*reinterpret_cast<const int *>(p_ptr));
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}
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_FORCE_INLINE_ static void encode(char32_t p_val, const void *p_ptr) {
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*(int *)p_ptr = p_val;
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}
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};
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#endif
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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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return true;
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}
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};
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template <>
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struct VariantObjectClassChecker<Node *> {
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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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Node *node = p_variant;
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return node || !obj;
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}
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};
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template <>
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struct VariantObjectClassChecker<Control *> {
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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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Control *control = p_variant;
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return control || !obj;
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}
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};
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#ifdef DEBUG_METHODS_ENABLED
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template <class 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, Callable::CallError &r_error) {
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Variant::Type argtype = GetTypeInfo<T>::VARIANT_TYPE;
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if (!Variant::can_convert_strict(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 = Callable::CallError::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 <class 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, Callable::CallError &r_error) {
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Variant::Type argtype = GetTypeInfo<T>::VARIANT_TYPE;
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if (!Variant::can_convert_strict(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 = Callable::CallError::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 <class 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, Callable::CallError &r_error) {
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Variant::Type argtype = GetTypeInfo<T>::VARIANT_TYPE;
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if (!Variant::can_convert_strict(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 = Callable::CallError::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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#endif // DEBUG_METHODS_ENABLED
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template <class T, class... 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, Callable::CallError &r_error, IndexSequence<Is...>) {
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r_error.error = Callable::CallError::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 <class T, class... 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, Callable::CallError &r_error, IndexSequence<Is...>) {
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r_error.error = Callable::CallError::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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#ifdef PTRCALL_ENABLED
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template <class T, class... P, size_t... Is>
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void call_with_ptr_args_helper(T *p_instance, void (T::*p_method)(P...), const void **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 <class T, class... P, size_t... Is>
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void call_with_ptr_argsc_helper(T *p_instance, void (T::*p_method)(P...) const, const void **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 <class T, class R, class... P, size_t... Is>
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void call_with_ptr_args_ret_helper(T *p_instance, R (T::*p_method)(P...), const void **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 <class T, class R, class... 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 void **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 <class T, class R, class... P, size_t... Is>
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void call_with_ptr_args_static_retc_helper(T *p_instance, R (*p_method)(T *, P...), const void **p_args, void *r_ret, IndexSequence<Is...>) {
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PtrToArg<R>::encode(p_method(p_instance, PtrToArg<P>::convert(p_args[Is])...), r_ret);
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}
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#endif // PTRCALL_ENABLED
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template <class T, class... P, size_t... Is>
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void call_with_validated_variant_args_helper(T *p_instance, void (T::*p_method)(P...), const Variant **p_args, IndexSequence<Is...>) {
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(p_instance->*p_method)((VariantInternalAccessor<typename GetSimpleTypeT<P>::type_t>::get(p_args[Is]))...);
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}
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template <class T, class... P, size_t... Is>
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void call_with_validated_variant_argsc_helper(T *p_instance, void (T::*p_method)(P...) const, const Variant **p_args, IndexSequence<Is...>) {
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(p_instance->*p_method)((VariantInternalAccessor<typename GetSimpleTypeT<P>::type_t>::get(p_args[Is]))...);
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}
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template <class T, class R, class... P, size_t... Is>
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void call_with_validated_variant_args_ret_helper(T *p_instance, R (T::*p_method)(P...), const Variant **p_args, Variant *r_ret, IndexSequence<Is...>) {
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VariantInternalAccessor<typename GetSimpleTypeT<R>::type_t>::set(r_ret, (p_instance->*p_method)((VariantInternalAccessor<typename GetSimpleTypeT<P>::type_t>::get(p_args[Is]))...));
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}
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template <class T, class R, class... P, size_t... Is>
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void call_with_validated_variant_args_retc_helper(T *p_instance, R (T::*p_method)(P...) const, const Variant **p_args, Variant *r_ret, IndexSequence<Is...>) {
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VariantInternalAccessor<typename GetSimpleTypeT<R>::type_t>::set(r_ret, (p_instance->*p_method)((VariantInternalAccessor<typename GetSimpleTypeT<P>::type_t>::get(p_args[Is]))...));
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}
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template <class T, class R, class... P, size_t... Is>
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void call_with_validated_variant_args_static_retc_helper(T *p_instance, R (*p_method)(T *, P...), const Variant **p_args, Variant *r_ret, IndexSequence<Is...>) {
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VariantInternalAccessor<typename GetSimpleTypeT<R>::type_t>::set(r_ret, p_method(p_instance, (VariantInternalAccessor<typename GetSimpleTypeT<P>::type_t>::get(p_args[Is]))...));
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}
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template <class T, class... P>
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void call_with_variant_args(T *p_instance, void (T::*p_method)(P...), const Variant **p_args, int p_argcount, Callable::CallError &r_error) {
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#ifdef DEBUG_METHODS_ENABLED
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if ((size_t)p_argcount > sizeof...(P)) {
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r_error.error = Callable::CallError::CALL_ERROR_TOO_MANY_ARGUMENTS;
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r_error.argument = sizeof...(P);
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return;
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}
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if ((size_t)p_argcount < sizeof...(P)) {
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r_error.error = Callable::CallError::CALL_ERROR_TOO_FEW_ARGUMENTS;
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r_error.argument = sizeof...(P);
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return;
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}
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#endif
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call_with_variant_args_helper<T, P...>(p_instance, p_method, p_args, r_error, BuildIndexSequence<sizeof...(P)>{});
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}
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template <class T, class... P>
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void call_with_variant_args_dv(T *p_instance, void (T::*p_method)(P...), const Variant **p_args, int p_argcount, Callable::CallError &r_error, const 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 = Callable::CallError::CALL_ERROR_TOO_MANY_ARGUMENTS;
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r_error.argument = 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 = default_values.size();
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#ifdef DEBUG_ENABLED
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if (missing > dvs) {
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r_error.error = Callable::CallError::CALL_ERROR_TOO_FEW_ARGUMENTS;
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r_error.argument = sizeof...(P);
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return;
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}
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#endif
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const Variant *args[sizeof...(P) == 0 ? 1 : sizeof...(P)]; //avoid zero sized array
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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] = 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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}
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call_with_variant_args_helper(p_instance, p_method, args, r_error, BuildIndexSequence<sizeof...(P)>{});
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}
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template <class T, class... P>
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void call_with_variant_argsc(T *p_instance, void (T::*p_method)(P...) const, const Variant **p_args, int p_argcount, Callable::CallError &r_error) {
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#ifdef DEBUG_METHODS_ENABLED
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if ((size_t)p_argcount > sizeof...(P)) {
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r_error.error = Callable::CallError::CALL_ERROR_TOO_MANY_ARGUMENTS;
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r_error.argument = sizeof...(P);
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return;
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}
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if ((size_t)p_argcount < sizeof...(P)) {
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r_error.error = Callable::CallError::CALL_ERROR_TOO_FEW_ARGUMENTS;
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r_error.argument = sizeof...(P);
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return;
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}
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#endif
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call_with_variant_args_helper<T, P...>(p_instance, p_method, p_args, r_error, BuildIndexSequence<sizeof...(P)>{});
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}
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template <class T, class... P>
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void call_with_variant_argsc_dv(T *p_instance, void (T::*p_method)(P...) const, const Variant **p_args, int p_argcount, Callable::CallError &r_error, const 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 = Callable::CallError::CALL_ERROR_TOO_MANY_ARGUMENTS;
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r_error.argument = 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 = default_values.size();
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#ifdef DEBUG_ENABLED
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if (missing > dvs) {
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r_error.error = Callable::CallError::CALL_ERROR_TOO_FEW_ARGUMENTS;
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r_error.argument = sizeof...(P);
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return;
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}
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#endif
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const Variant *args[sizeof...(P) == 0 ? 1 : sizeof...(P)]; //avoid zero sized array
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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] = 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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}
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call_with_variant_argsc_helper(p_instance, p_method, args, r_error, BuildIndexSequence<sizeof...(P)>{});
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}
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template <class T, class R, class... P>
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void call_with_variant_args_ret_dv(T *p_instance, R (T::*p_method)(P...), const Variant **p_args, int p_argcount, Variant &r_ret, Callable::CallError &r_error, const 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 = Callable::CallError::CALL_ERROR_TOO_MANY_ARGUMENTS;
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r_error.argument = 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 = default_values.size();
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#ifdef DEBUG_ENABLED
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if (missing > dvs) {
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r_error.error = Callable::CallError::CALL_ERROR_TOO_FEW_ARGUMENTS;
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r_error.argument = sizeof...(P);
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return;
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}
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#endif
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const Variant *args[sizeof...(P) == 0 ? 1 : sizeof...(P)]; //avoid zero sized array
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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] = 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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}
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call_with_variant_args_ret_helper(p_instance, p_method, args, r_ret, r_error, BuildIndexSequence<sizeof...(P)>{});
|
|
}
|
|
|
|
template <class T, class R, class... P>
|
|
void call_with_variant_args_retc_dv(T *p_instance, R (T::*p_method)(P...) const, const Variant **p_args, int p_argcount, Variant &r_ret, Callable::CallError &r_error, const Vector<Variant> &default_values) {
|
|
#ifdef DEBUG_ENABLED
|
|
if ((size_t)p_argcount > sizeof...(P)) {
|
|
r_error.error = Callable::CallError::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 = Callable::CallError::CALL_ERROR_TOO_FEW_ARGUMENTS;
|
|
r_error.argument = sizeof...(P);
|
|
return;
|
|
}
|
|
#endif
|
|
|
|
const Variant *args[sizeof...(P) == 0 ? 1 : sizeof...(P)]; //avoid zero sized array
|
|
for (int32_t i = 0; i < (int32_t)sizeof...(P); i++) {
|
|
if (i < p_argcount) {
|
|
args[i] = p_args[i];
|
|
} else {
|
|
args[i] = &default_values[i - p_argcount + (dvs - missing)];
|
|
}
|
|
}
|
|
|
|
call_with_variant_args_retc_helper(p_instance, p_method, args, r_ret, r_error, BuildIndexSequence<sizeof...(P)>{});
|
|
}
|
|
|
|
#ifdef PTRCALL_ENABLED
|
|
|
|
template <class T, class... P>
|
|
void call_with_ptr_args(T *p_instance, void (T::*p_method)(P...), const void **p_args) {
|
|
call_with_ptr_args_helper<T, P...>(p_instance, p_method, p_args, BuildIndexSequence<sizeof...(P)>{});
|
|
}
|
|
|
|
template <class T, class... P>
|
|
void call_with_ptr_argsc(T *p_instance, void (T::*p_method)(P...) const, const void **p_args) {
|
|
call_with_ptr_argsc_helper<T, P...>(p_instance, p_method, p_args, BuildIndexSequence<sizeof...(P)>{});
|
|
}
|
|
|
|
template <class T, class R, class... P>
|
|
void call_with_ptr_args_ret(T *p_instance, R (T::*p_method)(P...), const void **p_args, void *r_ret) {
|
|
call_with_ptr_args_ret_helper<T, R, P...>(p_instance, p_method, p_args, r_ret, BuildIndexSequence<sizeof...(P)>{});
|
|
}
|
|
|
|
template <class T, class R, class... P>
|
|
void call_with_ptr_args_retc(T *p_instance, R (T::*p_method)(P...) const, const void **p_args, void *r_ret) {
|
|
call_with_ptr_args_retc_helper<T, R, P...>(p_instance, p_method, p_args, r_ret, BuildIndexSequence<sizeof...(P)>{});
|
|
}
|
|
|
|
template <class T, class R, class... P>
|
|
void call_with_ptr_args_static_retc(T *p_instance, R (*p_method)(T *, P...), const void **p_args, void *r_ret) {
|
|
call_with_ptr_args_static_retc_helper<T, R, P...>(p_instance, p_method, p_args, r_ret, BuildIndexSequence<sizeof...(P)>{});
|
|
}
|
|
|
|
#endif // PTRCALL_ENABLED
|
|
|
|
template <class T, class... P>
|
|
void call_with_validated_variant_args(Variant *base, void (T::*p_method)(P...), const Variant **p_args) {
|
|
call_with_validated_variant_args_helper<T, P...>(VariantGetInternalPtr<T>::get_ptr(base), p_method, p_args, BuildIndexSequence<sizeof...(P)>{});
|
|
}
|
|
|
|
template <class T, class R, class... P>
|
|
void call_with_validated_variant_args_ret(Variant *base, R (T::*p_method)(P...), const Variant **p_args, Variant *r_ret) {
|
|
call_with_validated_variant_args_ret_helper<T, R, P...>(VariantGetInternalPtr<T>::get_ptr(base), p_method, p_args, r_ret, BuildIndexSequence<sizeof...(P)>{});
|
|
}
|
|
|
|
template <class T, class R, class... P>
|
|
void call_with_validated_variant_args_retc(Variant *base, R (T::*p_method)(P...) const, const Variant **p_args, Variant *r_ret) {
|
|
call_with_validated_variant_args_retc_helper<T, R, P...>(VariantGetInternalPtr<T>::get_ptr(base), p_method, p_args, r_ret, BuildIndexSequence<sizeof...(P)>{});
|
|
}
|
|
|
|
template <class T, class R, class... P>
|
|
void call_with_validated_variant_args_static_retc(Variant *base, R (*p_method)(T *, P...), const Variant **p_args, Variant *r_ret) {
|
|
call_with_validated_variant_args_static_retc_helper<T, R, P...>(VariantGetInternalPtr<T>::get_ptr(base), p_method, p_args, r_ret, 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
|
|
|
|
#ifdef DEBUG_METHODS_ENABLED
|
|
|
|
template <class Q>
|
|
void call_get_argument_type_helper(int p_arg, int &index, Variant::Type &type) {
|
|
if (p_arg == index) {
|
|
type = GetTypeInfo<Q>::VARIANT_TYPE;
|
|
}
|
|
index++;
|
|
}
|
|
|
|
template <class... P>
|
|
Variant::Type call_get_argument_type(int p_arg) {
|
|
Variant::Type type = Variant::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 <class 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 <class... 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 <class Q>
|
|
void call_get_argument_metadata_helper(int p_arg, int &index, GodotTypeInfo::Metadata &md) {
|
|
if (p_arg == index) {
|
|
md = GetTypeInfo<Q>::METADATA;
|
|
}
|
|
index++;
|
|
}
|
|
|
|
template <class... P>
|
|
GodotTypeInfo::Metadata call_get_argument_metadata(int p_arg) {
|
|
GodotTypeInfo::Metadata md = GodotTypeInfo::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;
|
|
}
|
|
|
|
#else
|
|
|
|
template <class... P>
|
|
Variant::Type call_get_argument_type(int p_arg) {
|
|
return Variant::NIL;
|
|
}
|
|
|
|
#endif // DEBUG_METHODS_ENABLED
|
|
|
|
//////////////////////
|
|
|
|
template <class T, class R, class... P, size_t... Is>
|
|
void call_with_variant_args_ret_helper(T *p_instance, R (T::*p_method)(P...), const Variant **p_args, Variant &r_ret, Callable::CallError &r_error, IndexSequence<Is...>) {
|
|
r_error.error = Callable::CallError::CALL_OK;
|
|
|
|
#ifdef DEBUG_METHODS_ENABLED
|
|
r_ret = (p_instance->*p_method)(VariantCasterAndValidate<P>::cast(p_args, Is, r_error)...);
|
|
#else
|
|
r_ret = (p_instance->*p_method)(VariantCaster<P>::cast(*p_args[Is])...);
|
|
#endif
|
|
}
|
|
|
|
template <class T, class R, class... P>
|
|
void call_with_variant_args_ret(T *p_instance, R (T::*p_method)(P...), const Variant **p_args, int p_argcount, Variant &r_ret, Callable::CallError &r_error) {
|
|
#ifdef DEBUG_METHODS_ENABLED
|
|
if ((size_t)p_argcount > sizeof...(P)) {
|
|
r_error.error = Callable::CallError::CALL_ERROR_TOO_MANY_ARGUMENTS;
|
|
r_error.argument = sizeof...(P);
|
|
return;
|
|
}
|
|
|
|
if ((size_t)p_argcount < sizeof...(P)) {
|
|
r_error.error = Callable::CallError::CALL_ERROR_TOO_FEW_ARGUMENTS;
|
|
r_error.argument = sizeof...(P);
|
|
return;
|
|
}
|
|
#endif
|
|
call_with_variant_args_ret_helper<T, R, P...>(p_instance, p_method, p_args, r_ret, r_error, BuildIndexSequence<sizeof...(P)>{});
|
|
}
|
|
|
|
template <class T, class R, class... P, size_t... Is>
|
|
void call_with_variant_args_retc_helper(T *p_instance, R (T::*p_method)(P...) const, const Variant **p_args, Variant &r_ret, Callable::CallError &r_error, IndexSequence<Is...>) {
|
|
r_error.error = Callable::CallError::CALL_OK;
|
|
|
|
#ifdef DEBUG_METHODS_ENABLED
|
|
r_ret = (p_instance->*p_method)(VariantCasterAndValidate<P>::cast(p_args, Is, r_error)...);
|
|
#else
|
|
r_ret = (p_instance->*p_method)(VariantCaster<P>::cast(*p_args[Is])...);
|
|
#endif
|
|
(void)p_args;
|
|
}
|
|
|
|
template <class T, class R, class... P>
|
|
void call_with_variant_args_retc(T *p_instance, R (T::*p_method)(P...) const, const Variant **p_args, int p_argcount, Variant &r_ret, Callable::CallError &r_error) {
|
|
#ifdef DEBUG_METHODS_ENABLED
|
|
if ((size_t)p_argcount > sizeof...(P)) {
|
|
r_error.error = Callable::CallError::CALL_ERROR_TOO_MANY_ARGUMENTS;
|
|
r_error.argument = sizeof...(P);
|
|
return;
|
|
}
|
|
|
|
if ((size_t)p_argcount < sizeof...(P)) {
|
|
r_error.error = Callable::CallError::CALL_ERROR_TOO_FEW_ARGUMENTS;
|
|
r_error.argument = sizeof...(P);
|
|
return;
|
|
}
|
|
#endif
|
|
call_with_variant_args_retc_helper<T, R, P...>(p_instance, p_method, p_args, r_ret, r_error, BuildIndexSequence<sizeof...(P)>{});
|
|
}
|
|
|
|
template <class T, class R, class... P, size_t... Is>
|
|
void call_with_variant_args_retc_static_helper(T *p_instance, R (*p_method)(T *, P...), const Variant **p_args, Variant &r_ret, Callable::CallError &r_error, IndexSequence<Is...>) {
|
|
r_error.error = Callable::CallError::CALL_OK;
|
|
|
|
#ifdef DEBUG_METHODS_ENABLED
|
|
r_ret = (p_method)(p_instance, VariantCasterAndValidate<P>::cast(p_args, Is, r_error)...);
|
|
#else
|
|
r_ret = (p_method)(p_instance, VariantCaster<P>::cast(*p_args[Is])...);
|
|
#endif
|
|
|
|
(void)p_args;
|
|
}
|
|
|
|
#if defined(DEBUG_METHODS_ENABLED) && defined(__GNUC__) && !defined(__clang__)
|
|
#pragma GCC diagnostic pop
|
|
#endif
|
|
|
|
#endif // BINDER_COMMON_H
|