156 lines
12 KiB
C++
156 lines
12 KiB
C++
/**************************************************************************/
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/* native_ptr.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) 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 NATIVE_PTR_H
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#define NATIVE_PTR_H
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#include "core/math/audio_frame.h"
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#include "core/variant/method_ptrcall.h"
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#include "core/variant/type_info.h"
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template <typename T>
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struct GDExtensionConstPtr {
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const T *data = nullptr;
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GDExtensionConstPtr(const T *p_assign) { data = p_assign; }
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static const char *get_name() { return "const void"; }
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operator const T *() const { return data; }
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operator Variant() const { return uint64_t(data); }
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};
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template <typename T>
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struct GDExtensionPtr {
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T *data = nullptr;
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GDExtensionPtr(T *p_assign) { data = p_assign; }
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static const char *get_name() { return "void"; }
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operator T *() const { return data; }
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operator Variant() const { return uint64_t(data); }
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};
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#define GDVIRTUAL_NATIVE_PTR(m_type) \
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template <> \
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struct GDExtensionConstPtr<const m_type> { \
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const m_type *data = nullptr; \
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GDExtensionConstPtr() {} \
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GDExtensionConstPtr(const m_type *p_assign) { data = p_assign; } \
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static const char *get_name() { return "const " #m_type; } \
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operator const m_type *() const { return data; } \
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operator Variant() const { return uint64_t(data); } \
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}; \
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template <> \
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struct VariantCaster<GDExtensionConstPtr<const m_type>> { \
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static _FORCE_INLINE_ GDExtensionConstPtr<const m_type> cast(const Variant &p_variant) { \
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return GDExtensionConstPtr<const m_type>((const m_type *)p_variant.operator uint64_t()); \
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} \
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}; \
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template <> \
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struct VariantInternalAccessor<GDExtensionConstPtr<const m_type>> { \
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static _FORCE_INLINE_ const GDExtensionConstPtr<const m_type> &get(const Variant *v) { return *reinterpret_cast<const GDExtensionConstPtr<const m_type> *>(VariantInternal::get_int(v)); } \
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static _FORCE_INLINE_ void set(Variant *v, const GDExtensionConstPtr<const m_type> &p_value) { *VariantInternal::get_int(v) = uint64_t(p_value.data); } \
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}; \
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template <> \
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struct GDExtensionPtr<m_type> { \
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m_type *data = nullptr; \
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GDExtensionPtr() {} \
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GDExtensionPtr(m_type *p_assign) { data = p_assign; } \
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static const char *get_name() { return #m_type; } \
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operator m_type *() const { return data; } \
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operator Variant() const { return uint64_t(data); } \
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}; \
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template <> \
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struct VariantCaster<GDExtensionPtr<m_type>> { \
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static _FORCE_INLINE_ GDExtensionPtr<m_type> cast(const Variant &p_variant) { \
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return GDExtensionPtr<m_type>((m_type *)p_variant.operator uint64_t()); \
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} \
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}; \
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template <> \
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struct VariantInternalAccessor<GDExtensionPtr<m_type>> { \
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static _FORCE_INLINE_ const GDExtensionPtr<m_type> &get(const Variant *v) { return *reinterpret_cast<const GDExtensionPtr<m_type> *>(VariantInternal::get_int(v)); } \
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static _FORCE_INLINE_ void set(Variant *v, const GDExtensionPtr<m_type> &p_value) { *VariantInternal::get_int(v) = uint64_t(p_value.data); } \
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};
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template <typename T>
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struct GetTypeInfo<GDExtensionConstPtr<T>> {
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static const Variant::Type VARIANT_TYPE = Variant::NIL;
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static const GodotTypeInfo::Metadata METADATA = GodotTypeInfo::METADATA_NONE;
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static inline PropertyInfo get_class_info() {
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return PropertyInfo(Variant::INT, String(), PROPERTY_HINT_INT_IS_POINTER, GDExtensionConstPtr<T>::get_name());
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}
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};
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template <typename T>
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struct GetTypeInfo<GDExtensionPtr<T>> {
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static const Variant::Type VARIANT_TYPE = Variant::NIL;
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static const GodotTypeInfo::Metadata METADATA = GodotTypeInfo::METADATA_NONE;
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static inline PropertyInfo get_class_info() {
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return PropertyInfo(Variant::INT, String(), PROPERTY_HINT_INT_IS_POINTER, GDExtensionPtr<T>::get_name());
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}
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};
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template <typename T>
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struct PtrToArg<GDExtensionConstPtr<T>> {
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_FORCE_INLINE_ static GDExtensionConstPtr<T> convert(const void *p_ptr) {
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return GDExtensionConstPtr<T>(reinterpret_cast<const T *>(p_ptr));
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}
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typedef const T *EncodeT;
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_FORCE_INLINE_ static void encode(GDExtensionConstPtr<T> p_val, void *p_ptr) {
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*((const T **)p_ptr) = p_val.data;
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}
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};
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template <typename T>
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struct PtrToArg<GDExtensionPtr<T>> {
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_FORCE_INLINE_ static GDExtensionPtr<T> convert(const void *p_ptr) {
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return GDExtensionPtr<T>(reinterpret_cast<const T *>(p_ptr));
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}
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typedef T *EncodeT;
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_FORCE_INLINE_ static void encode(GDExtensionPtr<T> p_val, void *p_ptr) {
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*((T **)p_ptr) = p_val.data;
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}
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};
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GDVIRTUAL_NATIVE_PTR(void)
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GDVIRTUAL_NATIVE_PTR(AudioFrame)
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GDVIRTUAL_NATIVE_PTR(bool)
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GDVIRTUAL_NATIVE_PTR(char)
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GDVIRTUAL_NATIVE_PTR(char16_t)
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GDVIRTUAL_NATIVE_PTR(char32_t)
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GDVIRTUAL_NATIVE_PTR(wchar_t)
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GDVIRTUAL_NATIVE_PTR(uint8_t)
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GDVIRTUAL_NATIVE_PTR(uint8_t *)
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GDVIRTUAL_NATIVE_PTR(int8_t)
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GDVIRTUAL_NATIVE_PTR(uint16_t)
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GDVIRTUAL_NATIVE_PTR(int16_t)
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GDVIRTUAL_NATIVE_PTR(uint32_t)
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GDVIRTUAL_NATIVE_PTR(int32_t)
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GDVIRTUAL_NATIVE_PTR(int64_t)
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GDVIRTUAL_NATIVE_PTR(uint64_t)
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GDVIRTUAL_NATIVE_PTR(float)
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GDVIRTUAL_NATIVE_PTR(double)
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#endif // NATIVE_PTR_H
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