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native_ptr.h
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/**************************************************************************/
/* native_ptr.h */
/**************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/**************************************************************************/
/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/**************************************************************************/
#ifndef NATIVE_PTR_H
#define NATIVE_PTR_H
#include "core/math/audio_frame.h"
#include "core/variant/method_ptrcall.h"
#include "core/variant/type_info.h"
template <typename T>
struct GDExtensionConstPtr {
const T *data = nullptr;
GDExtensionConstPtr(const T *p_assign) { data = p_assign; }
static const char *get_name() { return "const void"; }
operator const T *() const { return data; }
operator Variant() const { return uint64_t(data); }
};
template <typename T>
struct GDExtensionPtr {
T *data = nullptr;
GDExtensionPtr(T *p_assign) { data = p_assign; }
static const char *get_name() { return "void"; }
operator T *() const { return data; }
operator Variant() const { return uint64_t(data); }
};
#define GDVIRTUAL_NATIVE_PTR(m_type) \
template <> \
struct GDExtensionConstPtr<const m_type> { \
const m_type *data = nullptr; \
GDExtensionConstPtr() {} \
GDExtensionConstPtr(const m_type *p_assign) { \
data = p_assign; \
} \
static const char *get_name() { \
return "const " #m_type; \
} \
operator const m_type *() const { \
return data; \
} \
operator Variant() const { \
return uint64_t(data); \
} \
}; \
template <> \
struct VariantCaster<GDExtensionConstPtr<const m_type>> { \
static _FORCE_INLINE_ GDExtensionConstPtr<const m_type> cast(const Variant &p_variant) { \
return GDExtensionConstPtr<const m_type>((const m_type *)p_variant.operator uint64_t()); \
} \
}; \
template <> \
struct VariantInternalAccessor<GDExtensionConstPtr<const m_type>> { \
static _FORCE_INLINE_ const GDExtensionConstPtr<const m_type> &get(const Variant *v) { \
return *reinterpret_cast<const GDExtensionConstPtr<const m_type> *>(VariantInternal::get_int(v)); \
} \
static _FORCE_INLINE_ void set(Variant *v, const GDExtensionConstPtr<const m_type> &p_value) { \
*VariantInternal::get_int(v) = uint64_t(p_value.data); \
} \
}; \
template <> \
struct GDExtensionPtr<m_type> { \
m_type *data = nullptr; \
GDExtensionPtr() {} \
GDExtensionPtr(m_type *p_assign) { \
data = p_assign; \
} \
static const char *get_name() { \
return #m_type; \
} \
operator m_type *() const { \
return data; \
} \
operator Variant() const { \
return uint64_t(data); \
} \
}; \
template <> \
struct VariantCaster<GDExtensionPtr<m_type>> { \
static _FORCE_INLINE_ GDExtensionPtr<m_type> cast(const Variant &p_variant) { \
return GDExtensionPtr<m_type>((m_type *)p_variant.operator uint64_t()); \
} \
}; \
template <> \
struct VariantInternalAccessor<GDExtensionPtr<m_type>> { \
static _FORCE_INLINE_ const GDExtensionPtr<m_type> &get(const Variant *v) { \
return *reinterpret_cast<const GDExtensionPtr<m_type> *>(VariantInternal::get_int(v)); \
} \
static _FORCE_INLINE_ void set(Variant *v, const GDExtensionPtr<m_type> &p_value) { \
*VariantInternal::get_int(v) = uint64_t(p_value.data); \
} \
};
template <typename T>
struct GetTypeInfo<GDExtensionConstPtr<T>> {
static const Variant::Type VARIANT_TYPE = Variant::INT;
static const GodotTypeInfo::Metadata METADATA = GodotTypeInfo::METADATA_NONE;
static inline PropertyInfo get_class_info() {
return PropertyInfo(Variant::INT, String(), PROPERTY_HINT_INT_IS_POINTER, GDExtensionConstPtr<T>::get_name());
}
};
template <typename T>
struct GetTypeInfo<GDExtensionPtr<T>> {
static const Variant::Type VARIANT_TYPE = Variant::INT;
static const GodotTypeInfo::Metadata METADATA = GodotTypeInfo::METADATA_NONE;
static inline PropertyInfo get_class_info() {
return PropertyInfo(Variant::INT, String(), PROPERTY_HINT_INT_IS_POINTER, GDExtensionPtr<T>::get_name());
}
};
template <typename T>
struct PtrToArg<GDExtensionConstPtr<T>> {
_FORCE_INLINE_ static GDExtensionConstPtr<T> convert(const void *p_ptr) {
return GDExtensionConstPtr<T>(reinterpret_cast<const T *>(p_ptr));
}
typedef const T *EncodeT;
_FORCE_INLINE_ static void encode(GDExtensionConstPtr<T> p_val, void *p_ptr) {
*((const T **)p_ptr) = p_val.data;
}
};
template <typename T>
struct PtrToArg<GDExtensionPtr<T>> {
_FORCE_INLINE_ static GDExtensionPtr<T> convert(const void *p_ptr) {
return GDExtensionPtr<T>(reinterpret_cast<const T *>(p_ptr));
}
typedef T *EncodeT;
_FORCE_INLINE_ static void encode(GDExtensionPtr<T> p_val, void *p_ptr) {
*((T **)p_ptr) = p_val.data;
}
};
GDVIRTUAL_NATIVE_PTR(void)
GDVIRTUAL_NATIVE_PTR(AudioFrame)
GDVIRTUAL_NATIVE_PTR(bool)
GDVIRTUAL_NATIVE_PTR(char)
GDVIRTUAL_NATIVE_PTR(char16_t)
GDVIRTUAL_NATIVE_PTR(char32_t)
GDVIRTUAL_NATIVE_PTR(wchar_t)
GDVIRTUAL_NATIVE_PTR(uint8_t)
GDVIRTUAL_NATIVE_PTR(uint8_t *)
GDVIRTUAL_NATIVE_PTR(int8_t)
GDVIRTUAL_NATIVE_PTR(uint16_t)
GDVIRTUAL_NATIVE_PTR(int16_t)
GDVIRTUAL_NATIVE_PTR(uint32_t)
GDVIRTUAL_NATIVE_PTR(int32_t)
GDVIRTUAL_NATIVE_PTR(int64_t)
GDVIRTUAL_NATIVE_PTR(uint64_t)
GDVIRTUAL_NATIVE_PTR(float)
GDVIRTUAL_NATIVE_PTR(double)
#endif // NATIVE_PTR_H